[   25.824385][  T247] ip (247) used greatest stack depth: 24544 bytes left
[   26.135492][  T253] veth0: renamed from veth1
[   30.161073][  T280] br0: port 1(vx0) entered blocking state
[   30.161378][  T280] br0: port 1(vx0) entered disabled state
[   30.161613][  T280] vx0: entered allmulticast mode
[   30.163026][  T280] vx0: entered promiscuous mode
[   30.165468][  T280] br0: port 1(vx0) entered blocking state
[   30.165747][  T280] br0: port 1(vx0) entered forwarding state
[   35.540533][  T312] br0: port 1(vx0) entered blocking state
[   35.540791][  T312] br0: port 1(vx0) entered disabled state
[   35.540965][  T312] vx0: entered allmulticast mode
[   35.542131][  T312] vx0: entered promiscuous mode
[   35.543900][  T312] br0: port 1(vx0) entered blocking state
[   35.544057][  T312] br0: port 1(vx0) entered forwarding state
[   39.057671][  T339] veth0: renamed from veth1
[   41.753064][  T359] ip (359) used greatest stack depth: 24144 bytes left
[   42.745331][  T366] br0: port 1(vx0) entered blocking state
[   42.745784][  T366] br0: port 1(vx0) entered disabled state
[   42.745956][  T366] vx0: entered allmulticast mode
[   42.747130][  T366] vx0: entered promiscuous mode
[   42.749278][  T366] br0: port 1(vx0) entered blocking state
[   42.749447][  T366] br0: port 1(vx0) entered forwarding state
[   47.995574][  T397] br0: port 1(vx0) entered blocking state
[   47.995781][  T397] br0: port 1(vx0) entered disabled state
[   47.995957][  T397] vx0: entered allmulticast mode
[   47.997116][  T397] vx0: entered promiscuous mode
[   47.998968][  T397] br0: port 1(vx0) entered blocking state
[   47.999140][  T397] br0: port 1(vx0) entered forwarding state
[   61.286619][   T10] vx0: left allmulticast mode
[   61.286856][   T10] vx0: left promiscuous mode
[   61.287199][   T10] br0: port 1(vx0) entered disabled state
[   64.717831][  T528] veth0: renamed from veth1
[   68.777362][  T555] br0: port 1(vx0) entered blocking state
[   68.777572][  T555] br0: port 1(vx0) entered disabled state
[   68.777778][  T555] vx0: entered allmulticast mode
[   68.778942][  T555] vx0: entered promiscuous mode
[   68.780775][  T555] br0: port 1(vx0) entered blocking state
[   68.780974][  T555] br0: port 1(vx0) entered forwarding state
[   71.584612][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[   71.585051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.585051][   T10]      dst_init+0x84/0x4a0
[   71.585051][   T10]      dst_alloc+0x97/0x150
[   71.585051][   T10]      ip6_dst_alloc+0x23/0x90
[   71.585051][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[   71.585051][   T10]      ip6_pol_route+0x56f/0x840
[   71.585051][   T10]      fib6_rule_lookup+0x456/0x630
[   71.585051][   T10]      ip6_route_input+0x59c/0xa50
[   71.585051][   T10]      ipv6_rcv+0x397/0x810
[   71.585051][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[   71.585051][   T10]      process_backlog+0x101/0x620
[   71.585051][   T10]      __napi_poll.constprop.0+0xa2/0x460
[   71.585051][   T10]      net_rx_action+0x495/0xbe0
[   71.585051][   T10]      __do_softirq+0x1b5/0x7f6
[   71.585051][   T10] 
[   71.586990][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.586990][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[   71.586990][   T10]      ip6_validate_gw+0x3f7/0x7b0
[   71.586990][   T10]      fib6_nh_init+0xa22/0x1580
[   71.586990][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.586990][   T10]      ip6_route_add+0x1c/0x140
[   71.586990][   T10]      inet6_rtm_newroute+0x104/0x110
[   71.586990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.586990][   T10]      netlink_rcv_skb+0x130/0x360
[   71.586990][   T10]      netlink_unicast+0x449/0x710
[   71.586990][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.586990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.586990][   T10]      ___sys_sendmsg+0xee/0x170
[   71.586990][   T10]      __sys_sendmsg+0xcd/0x170
[   71.586990][   T10]      do_syscall_64+0xc6/0x1e0
[   71.586990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.586990][   T10] 
[   71.588866][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.588866][   T10]      netdev_get_by_index+0x5e/0x80
[   71.588866][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.588866][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.588866][   T10]      addrconf_f6i_alloc+0x265/0x560
[   71.588866][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[   71.588866][   T10]      addrconf_join_anycast+0x1c0/0x220
[   71.588866][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[   71.588866][   T10]      addrconf_dad_completed+0x12b/0xe20
[   71.588866][   T10]      addrconf_dad_begin+0x310/0x670
[   71.588866][   T10]      addrconf_dad_work+0x10b/0xab0
[   71.588866][   T10]      process_one_work+0x84d/0x18a0
[   71.588866][   T10]      worker_thread+0x587/0xd30
[   71.588866][   T10]      kthread+0x28a/0x350
[   71.588866][   T10]      ret_from_fork+0x31/0x70
[   71.588866][   T10]      ret_from_fork_asm+0x1a/0x30
[   71.588866][   T10] 
[   71.590783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.590783][   T10]      netdev_get_by_index+0x5e/0x80
[   71.590783][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.590783][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.590783][   T10]      ip6_route_add+0x1c/0x140
[   71.590783][   T10]      addrconf_prefix_route+0x2a6/0x430
[   71.590783][   T10]      inet6_addr_add+0x4f8/0xa40
[   71.590783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.590783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.590783][   T10]      netlink_rcv_skb+0x130/0x360
[   71.590783][   T10]      netlink_unicast+0x449/0x710
[   71.590783][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.590783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.590783][   T10]      ___sys_sendmsg+0xee/0x170
[   71.590783][   T10]      __sys_sendmsg+0xcd/0x170
[   71.590783][   T10]      do_syscall_64+0xc6/0x1e0
[   71.590783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.590783][   T10] 
[   71.592791][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.592791][   T10]      netdev_get_by_index+0x5e/0x80
[   71.592791][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.592791][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.592791][   T10]      addrconf_f6i_alloc+0x315/0x560
[   71.592791][   T10]      ipv6_add_addr+0x411/0x2000
[   71.592791][   T10]      inet6_addr_add+0x30e/0xa40
[   71.592791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.592791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.592791][   T10]      netlink_rcv_skb+0x130/0x360
[   71.592791][   T10]      netlink_unicast+0x449/0x710
[   71.592791][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.592791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.592791][   T10]      ___sys_sendmsg+0xee/0x170
[   71.592791][   T10]      __sys_sendmsg+0xcd/0x170
[   71.592791][   T10]      do_syscall_64+0xc6/0x1e0
[   71.592791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.592791][   T10] 
[   71.594787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.594787][   T10]      netdev_get_by_index+0x5e/0x80
[   71.594787][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.594787][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.594787][   T10]      ip6_route_add+0x1c/0x140
[   71.594787][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[   71.594787][   T10]      addrconf_add_dev+0xe2/0x170
[   71.594787][   T10]      inet6_addr_add+0x12f/0xa40
[   71.594787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.594787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.594787][   T10]      netlink_rcv_skb+0x130/0x360
[   71.594787][   T10]      netlink_unicast+0x449/0x710
[   71.594787][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.594787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.594787][   T10]      ___sys_sendmsg+0xee/0x170
[   71.594787][   T10]      __sys_sendmsg+0xcd/0x170
[   71.594787][   T10]      do_syscall_64+0xc6/0x1e0
[   71.594787][   T10] 
[   71.596756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.596756][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   71.596756][   T10]      ipv6_find_idev+0x102/0x170
[   71.596756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   71.596756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.596756][   T10]      netlink_rcv_skb+0x130/0x360
[   71.596756][   T10]      netlink_unicast+0x449/0x710
[   71.596756][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.596756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.596756][   T10]      ___sys_sendmsg+0xee/0x170
[   71.596756][   T10]      __sys_sendmsg+0xcd/0x170
[   71.596756][   T10]      do_syscall_64+0xc6/0x1e0
[   71.596756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.596756][   T10] 
[   71.598314][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   71.598314][   T10]      neigh_parms_alloc+0x1e5/0x510
[   71.598314][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   71.598314][   T10]      ipv6_find_idev+0x102/0x170
[   71.598314][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   71.598314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.598314][   T10]      netlink_rcv_skb+0x130/0x360
[   71.598314][   T10]      netlink_unicast+0x449/0x710
[   71.598314][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.598314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.598314][   T10]      ___sys_sendmsg+0xee/0x170
[   71.598314][   T10]      __sys_sendmsg+0xcd/0x170
[   71.598314][   T10]      do_syscall_64+0xc6/0x1e0
[   71.598314][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.598314][   T10] 
[   71.600030][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[   71.600273][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.600273][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[   71.600273][   T10]      ip6_validate_gw+0x3f7/0x7b0
[   71.600273][   T10]      fib6_nh_init+0xa22/0x1580
[   71.600273][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.600273][   T10]      ip6_route_add+0x1c/0x140
[   71.600273][   T10]      inet6_rtm_newroute+0x104/0x110
[   71.600273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.600273][   T10]      netlink_rcv_skb+0x130/0x360
[   71.600273][   T10]      netlink_unicast+0x449/0x710
[   71.600273][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.600273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.600273][   T10]      ___sys_sendmsg+0xee/0x170
[   71.600273][   T10]      __sys_sendmsg+0xcd/0x170
[   71.600273][   T10]      do_syscall_64+0xc6/0x1e0
[   71.600273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.600273][   T10] 
[   71.602142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.602142][   T10]      dst_init+0x84/0x4a0
[   71.602142][   T10]      dst_alloc+0x97/0x150
[   71.602142][   T10]      ip6_dst_alloc+0x23/0x90
[   71.602142][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[   71.602142][   T10]      ip6_pol_route+0x56f/0x840
[   71.602142][   T10]      fib6_rule_lookup+0x456/0x630
[   71.602142][   T10]      ip6_route_input+0x59c/0xa50
[   71.602142][   T10]      ipv6_rcv+0x397/0x810
[   71.602142][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[   71.602142][   T10]      process_backlog+0x101/0x620
[   71.602142][   T10]      __napi_poll.constprop.0+0xa2/0x460
[   71.602142][   T10]      net_rx_action+0x495/0xbe0
[   71.602142][   T10]      __do_softirq+0x1b5/0x7f6
[   71.602142][   T10] 
[   71.603773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.603773][   T10]      netdev_get_by_index+0x5e/0x80
[   71.603773][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.603773][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.603773][   T10]      addrconf_f6i_alloc+0x265/0x560
[   71.603773][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[   71.603773][   T10]      addrconf_join_anycast+0x1c0/0x220
[   71.603773][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[   71.603773][   T10]      addrconf_dad_completed+0x12b/0xe20
[   71.603773][   T10]      addrconf_dad_begin+0x310/0x670
[   71.603773][   T10]      addrconf_dad_work+0x10b/0xab0
[   71.603773][   T10]      process_one_work+0x84d/0x18a0
[   71.603773][   T10]      worker_thread+0x587/0xd30
[   71.603773][   T10]      kthread+0x28a/0x350
[   71.603773][   T10]      ret_from_fork+0x31/0x70
[   71.603773][   T10]      ret_from_fork_asm+0x1a/0x30
[   71.603773][   T10] 
[   71.605684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.605684][   T10]      netdev_get_by_index+0x5e/0x80
[   71.605684][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.605684][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.605684][   T10]      ip6_route_add+0x1c/0x140
[   71.605684][   T10]      addrconf_prefix_route+0x2a6/0x430
[   71.605684][   T10]      inet6_addr_add+0x4f8/0xa40
[   71.605684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.605684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.605684][   T10]      netlink_rcv_skb+0x130/0x360
[   71.605684][   T10]      netlink_unicast+0x449/0x710
[   71.605684][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.605684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.605684][   T10]      ___sys_sendmsg+0xee/0x170
[   71.605684][   T10]      __sys_sendmsg+0xcd/0x170
[   71.605684][   T10]      do_syscall_64+0xc6/0x1e0
[   71.605684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.605684][   T10] 
[   71.607784][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.607784][   T10]      netdev_get_by_index+0x5e/0x80
[   71.607784][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.607784][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.607784][   T10]      addrconf_f6i_alloc+0x315/0x560
[   71.607784][   T10]      ipv6_add_addr+0x411/0x2000
[   71.607784][   T10]      inet6_addr_add+0x30e/0xa40
[   71.607784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.607784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.607784][   T10]      netlink_rcv_skb+0x130/0x360
[   71.607784][   T10]      netlink_unicast+0x449/0x710
[   71.607784][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.607784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.607784][   T10]      ___sys_sendmsg+0xee/0x170
[   71.607784][   T10]      __sys_sendmsg+0xcd/0x170
[   71.607784][   T10]      do_syscall_64+0xc6/0x1e0
[   71.607784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.607784][   T10] 
[   71.610085][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.610085][   T10]      netdev_get_by_index+0x5e/0x80
[   71.610085][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.610085][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.610085][   T10]      ip6_route_add+0x1c/0x140
[   71.610085][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[   71.610085][   T10]      addrconf_add_dev+0xe2/0x170
[   71.610085][   T10]      inet6_addr_add+0x12f/0xa40
[   71.610085][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.610085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.610085][   T10]      netlink_rcv_skb+0x130/0x360
[   71.610085][   T10]      netlink_unicast+0x449/0x710
[   71.610085][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.610085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.610085][   T10]      ___sys_sendmsg+0xee/0x170
[   71.610085][   T10]      __sys_sendmsg+0xcd/0x170
[   71.610085][   T10]      do_syscall_64+0xc6/0x1e0
[   71.610085][   T10] 
[   71.612221][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.612221][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   71.612221][   T10]      ipv6_find_idev+0x102/0x170
[   71.612221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   71.612221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.612221][   T10]      netlink_rcv_skb+0x130/0x360
[   71.612221][   T10]      netlink_unicast+0x449/0x710
[   71.612221][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.612221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.612221][   T10]      ___sys_sendmsg+0xee/0x170
[   71.612221][   T10]      __sys_sendmsg+0xcd/0x170
[   71.612221][   T10]      do_syscall_64+0xc6/0x1e0
[   71.612221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.612221][   T10] 
[   71.613937][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   71.613937][   T10]      neigh_parms_alloc+0x1e5/0x510
[   71.613937][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   71.613937][   T10]      ipv6_find_idev+0x102/0x170
[   71.613937][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   71.613937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.613937][   T10]      netlink_rcv_skb+0x130/0x360
[   71.613937][   T10]      netlink_unicast+0x449/0x710
[   71.613937][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.613937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.613937][   T10]      ___sys_sendmsg+0xee/0x170
[   71.613937][   T10]      __sys_sendmsg+0xcd/0x170
[   71.613937][   T10]      do_syscall_64+0xc6/0x1e0
[   71.613937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.613937][   T10] 
[   71.616389][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[   71.616636][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   71.616636][   T10]      netdev_get_by_index+0x5e/0x80
[   71.616636][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.616636][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.616636][   T10]      ip6_route_add+0x1c/0x140
[   71.616636][   T10]      addrconf_prefix_route+0x2a6/0x430
[   71.616636][   T10]      inet6_addr_add+0x4f8/0xa40
[   71.616636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.616636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.616636][   T10]      netlink_rcv_skb+0x130/0x360
[   71.616636][   T10]      netlink_unicast+0x449/0x710
[   71.616636][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.616636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.616636][   T10]      ___sys_sendmsg+0xee/0x170
[   71.616636][   T10]      __sys_sendmsg+0xcd/0x170
[   71.616636][   T10]      do_syscall_64+0xc6/0x1e0
[   71.616636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.616636][   T10] 
[   71.618624][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   71.618624][   T10]      netdev_get_by_index+0x5e/0x80
[   71.618624][   T10]      fib6_nh_init+0x3d8/0x1580
[   71.618624][   T10]      ip6_route_info_create+0xf18/0x17d0
[   71.618624][   T10]      addrconf_f6i_alloc+0x315/0x560
[   71.618624][   T10]      ipv6_add_addr+0x411/0x2000
[   71.618624][   T10]      inet6_addr_add+0x30e/0xa40
[   71.618624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   71.618624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.618624][   T10]      netlink_rcv_skb+0x130/0x360
[   71.618624][   T10]      netlink_unicast+0x449/0x710
[   71.618624][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.618624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.618624][   T10]      ___sys_sendmsg+0xee/0x170
[   71.618624][   T10]      __sys_sendmsg+0xcd/0x170
[   71.618624][   T10]      do_syscall_64+0xc6/0x1e0
[   71.618624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.618624][   T10] 
[   71.620680][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   71.620680][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   71.620680][   T10]      ipv6_find_idev+0x102/0x170
[   71.620680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   71.620680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.620680][   T10]      netlink_rcv_skb+0x130/0x360
[   71.620680][   T10]      netlink_unicast+0x449/0x710
[   71.620680][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.620680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.620680][   T10]      ___sys_sendmsg+0xee/0x170
[   71.620680][   T10]      __sys_sendmsg+0xcd/0x170
[   71.620680][   T10]      do_syscall_64+0xc6/0x1e0
[   71.620680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.620680][   T10] 
[   71.622353][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   71.622353][   T10]      neigh_parms_alloc+0x1e5/0x510
[   71.622353][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   71.622353][   T10]      ipv6_find_idev+0x102/0x170
[   71.622353][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   71.622353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   71.622353][   T10]      netlink_rcv_skb+0x130/0x360
[   71.622353][   T10]      netlink_unicast+0x449/0x710
[   71.622353][   T10]      netlink_sendmsg+0x723/0xbe0
[   71.622353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   71.622353][   T10]      ___sys_sendmsg+0xee/0x170
[   71.622353][   T10]      __sys_sendmsg+0xcd/0x170
[   71.622353][   T10]      do_syscall_64+0xc6/0x1e0
[   71.622353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   71.622353][   T10] 
[   74.055078][  T585] br0: port 1(vx0) entered blocking state
[   74.055340][  T585] br0: port 1(vx0) entered disabled state
[   74.055511][  T585] vx0: entered allmulticast mode
[   74.056707][  T585] vx0: entered promiscuous mode
[   74.058515][  T585] br0: port 1(vx0) entered blocking state
[   74.058684][  T585] br0: port 1(vx0) entered forwarding state
[   78.255912][  T617] veth0: renamed from veth1
[   81.800614][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[   81.800944][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.800944][   T10]      dst_init+0x84/0x4a0
[   81.800944][   T10]      dst_alloc+0x97/0x150
[   81.800944][   T10]      ip6_dst_alloc+0x23/0x90
[   81.800944][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[   81.800944][   T10]      ip6_pol_route+0x56f/0x840
[   81.800944][   T10]      fib6_rule_lookup+0x456/0x630
[   81.800944][   T10]      ip6_route_input+0x59c/0xa50
[   81.800944][   T10]      ipv6_rcv+0x397/0x810
[   81.800944][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[   81.800944][   T10]      process_backlog+0x101/0x620
[   81.800944][   T10]      __napi_poll.constprop.0+0xa2/0x460
[   81.800944][   T10]      net_rx_action+0x495/0xbe0
[   81.800944][   T10]      __do_softirq+0x1b5/0x7f6
[   81.800944][   T10] 
[   81.802881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.802881][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[   81.802881][   T10]      ip6_validate_gw+0x3f7/0x7b0
[   81.802881][   T10]      fib6_nh_init+0xa22/0x1580
[   81.802881][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.802881][   T10]      ip6_route_add+0x1c/0x140
[   81.802881][   T10]      inet6_rtm_newroute+0x104/0x110
[   81.802881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.802881][   T10]      netlink_rcv_skb+0x130/0x360
[   81.802881][   T10]      netlink_unicast+0x449/0x710
[   81.802881][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.802881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.802881][   T10]      ___sys_sendmsg+0xee/0x170
[   81.802881][   T10]      __sys_sendmsg+0xcd/0x170
[   81.802881][   T10]      do_syscall_64+0xc6/0x1e0
[   81.802881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.802881][   T10] 
[   81.805053][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.805053][   T10]      netdev_get_by_index+0x5e/0x80
[   81.805053][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.805053][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.805053][   T10]      addrconf_f6i_alloc+0x265/0x560
[   81.805053][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[   81.805053][   T10]      addrconf_join_anycast+0x1c0/0x220
[   81.805053][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[   81.805053][   T10]      addrconf_dad_completed+0x12b/0xe20
[   81.805053][   T10]      addrconf_dad_begin+0x310/0x670
[   81.805053][   T10]      addrconf_dad_work+0x10b/0xab0
[   81.805053][   T10]      process_one_work+0x84d/0x18a0
[   81.805053][   T10]      worker_thread+0x587/0xd30
[   81.805053][   T10]      kthread+0x28a/0x350
[   81.805053][   T10]      ret_from_fork+0x31/0x70
[   81.805053][   T10]      ret_from_fork_asm+0x1a/0x30
[   81.805053][   T10] 
[   81.807273][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.807273][   T10]      netdev_get_by_index+0x5e/0x80
[   81.807273][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.807273][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.807273][   T10]      ip6_route_add+0x1c/0x140
[   81.807273][   T10]      addrconf_prefix_route+0x2a6/0x430
[   81.807273][   T10]      inet6_addr_add+0x4f8/0xa40
[   81.807273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.807273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.807273][   T10]      netlink_rcv_skb+0x130/0x360
[   81.807273][   T10]      netlink_unicast+0x449/0x710
[   81.807273][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.807273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.807273][   T10]      ___sys_sendmsg+0xee/0x170
[   81.807273][   T10]      __sys_sendmsg+0xcd/0x170
[   81.807273][   T10]      do_syscall_64+0xc6/0x1e0
[   81.807273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.807273][   T10] 
[   81.809568][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.809568][   T10]      netdev_get_by_index+0x5e/0x80
[   81.809568][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.809568][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.809568][   T10]      addrconf_f6i_alloc+0x315/0x560
[   81.809568][   T10]      ipv6_add_addr+0x411/0x2000
[   81.809568][   T10]      inet6_addr_add+0x30e/0xa40
[   81.809568][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.809568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.809568][   T10]      netlink_rcv_skb+0x130/0x360
[   81.809568][   T10]      netlink_unicast+0x449/0x710
[   81.809568][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.809568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.809568][   T10]      ___sys_sendmsg+0xee/0x170
[   81.809568][   T10]      __sys_sendmsg+0xcd/0x170
[   81.809568][   T10]      do_syscall_64+0xc6/0x1e0
[   81.809568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.809568][   T10] 
[   81.811888][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.811888][   T10]      netdev_get_by_index+0x5e/0x80
[   81.811888][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.811888][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.811888][   T10]      ip6_route_add+0x1c/0x140
[   81.811888][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[   81.811888][   T10]      addrconf_add_dev+0xe2/0x170
[   81.811888][   T10]      inet6_addr_add+0x12f/0xa40
[   81.811888][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.811888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.811888][   T10]      netlink_rcv_skb+0x130/0x360
[   81.811888][   T10]      netlink_unicast+0x449/0x710
[   81.811888][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.811888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.811888][   T10]      ___sys_sendmsg+0xee/0x170
[   81.811888][   T10]      __sys_sendmsg+0xcd/0x170
[   81.811888][   T10]      do_syscall_64+0xc6/0x1e0
[   81.811888][   T10] 
[   81.814306][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.814306][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   81.814306][   T10]      ipv6_find_idev+0x102/0x170
[   81.814306][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   81.814306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.814306][   T10]      netlink_rcv_skb+0x130/0x360
[   81.814306][   T10]      netlink_unicast+0x449/0x710
[   81.814306][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.814306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.814306][   T10]      ___sys_sendmsg+0xee/0x170
[   81.814306][   T10]      __sys_sendmsg+0xcd/0x170
[   81.814306][   T10]      do_syscall_64+0xc6/0x1e0
[   81.814306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.814306][   T10] 
[   81.816364][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   81.816364][   T10]      neigh_parms_alloc+0x1e5/0x510
[   81.816364][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   81.816364][   T10]      ipv6_find_idev+0x102/0x170
[   81.816364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   81.816364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.816364][   T10]      netlink_rcv_skb+0x130/0x360
[   81.816364][   T10]      netlink_unicast+0x449/0x710
[   81.816364][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.816364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.816364][   T10]      ___sys_sendmsg+0xee/0x170
[   81.816364][   T10]      __sys_sendmsg+0xcd/0x170
[   81.816364][   T10]      do_syscall_64+0xc6/0x1e0
[   81.816364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.816364][   T10] 
[   81.818485][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[   81.818806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.818806][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[   81.818806][   T10]      ip6_validate_gw+0x3f7/0x7b0
[   81.818806][   T10]      fib6_nh_init+0xa22/0x1580
[   81.818806][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.818806][   T10]      ip6_route_add+0x1c/0x140
[   81.818806][   T10]      inet6_rtm_newroute+0x104/0x110
[   81.818806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.818806][   T10]      netlink_rcv_skb+0x130/0x360
[   81.818806][   T10]      netlink_unicast+0x449/0x710
[   81.818806][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.818806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.818806][   T10]      ___sys_sendmsg+0xee/0x170
[   81.818806][   T10]      __sys_sendmsg+0xcd/0x170
[   81.818806][   T10]      do_syscall_64+0xc6/0x1e0
[   81.818806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.818806][   T10] 
[   81.821316][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.821316][   T10]      dst_init+0x84/0x4a0
[   81.821316][   T10]      dst_alloc+0x97/0x150
[   81.821316][   T10]      ip6_dst_alloc+0x23/0x90
[   81.821316][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[   81.821316][   T10]      ip6_pol_route+0x56f/0x840
[   81.821316][   T10]      fib6_rule_lookup+0x456/0x630
[   81.821316][   T10]      ip6_route_input+0x59c/0xa50
[   81.821316][   T10]      ipv6_rcv+0x397/0x810
[   81.821316][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[   81.821316][   T10]      process_backlog+0x101/0x620
[   81.821316][   T10]      __napi_poll.constprop.0+0xa2/0x460
[   81.821316][   T10]      net_rx_action+0x495/0xbe0
[   81.821316][   T10]      __do_softirq+0x1b5/0x7f6
[   81.821316][   T10] 
[   81.823398][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.823398][   T10]      netdev_get_by_index+0x5e/0x80
[   81.823398][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.823398][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.823398][   T10]      addrconf_f6i_alloc+0x265/0x560
[   81.823398][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[   81.823398][   T10]      addrconf_join_anycast+0x1c0/0x220
[   81.823398][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[   81.823398][   T10]      addrconf_dad_completed+0x12b/0xe20
[   81.823398][   T10]      addrconf_dad_begin+0x310/0x670
[   81.823398][   T10]      addrconf_dad_work+0x10b/0xab0
[   81.823398][   T10]      process_one_work+0x84d/0x18a0
[   81.823398][   T10]      worker_thread+0x587/0xd30
[   81.823398][   T10]      kthread+0x28a/0x350
[   81.823398][   T10]      ret_from_fork+0x31/0x70
[   81.823398][   T10]      ret_from_fork_asm+0x1a/0x30
[   81.823398][   T10] 
[   81.825876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.825876][   T10]      netdev_get_by_index+0x5e/0x80
[   81.825876][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.825876][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.825876][   T10]      ip6_route_add+0x1c/0x140
[   81.825876][   T10]      addrconf_prefix_route+0x2a6/0x430
[   81.825876][   T10]      inet6_addr_add+0x4f8/0xa40
[   81.825876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.825876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.825876][   T10]      netlink_rcv_skb+0x130/0x360
[   81.825876][   T10]      netlink_unicast+0x449/0x710
[   81.825876][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.825876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.825876][   T10]      ___sys_sendmsg+0xee/0x170
[   81.825876][   T10]      __sys_sendmsg+0xcd/0x170
[   81.825876][   T10]      do_syscall_64+0xc6/0x1e0
[   81.825876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.825876][   T10] 
[   81.828300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.828300][   T10]      netdev_get_by_index+0x5e/0x80
[   81.828300][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.828300][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.828300][   T10]      addrconf_f6i_alloc+0x315/0x560
[   81.828300][   T10]      ipv6_add_addr+0x411/0x2000
[   81.828300][   T10]      inet6_addr_add+0x30e/0xa40
[   81.828300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.828300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.828300][   T10]      netlink_rcv_skb+0x130/0x360
[   81.828300][   T10]      netlink_unicast+0x449/0x710
[   81.828300][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.828300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.828300][   T10]      ___sys_sendmsg+0xee/0x170
[   81.828300][   T10]      __sys_sendmsg+0xcd/0x170
[   81.828300][   T10]      do_syscall_64+0xc6/0x1e0
[   81.828300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.828300][   T10] 
[   81.830727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.830727][   T10]      netdev_get_by_index+0x5e/0x80
[   81.830727][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.830727][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.830727][   T10]      ip6_route_add+0x1c/0x140
[   81.830727][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[   81.830727][   T10]      addrconf_add_dev+0xe2/0x170
[   81.830727][   T10]      inet6_addr_add+0x12f/0xa40
[   81.830727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.830727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.830727][   T10]      netlink_rcv_skb+0x130/0x360
[   81.830727][   T10]      netlink_unicast+0x449/0x710
[   81.830727][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.830727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.830727][   T10]      ___sys_sendmsg+0xee/0x170
[   81.830727][   T10]      __sys_sendmsg+0xcd/0x170
[   81.830727][   T10]      do_syscall_64+0xc6/0x1e0
[   81.830727][   T10] 
[   81.833208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.833208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   81.833208][   T10]      ipv6_find_idev+0x102/0x170
[   81.833208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   81.833208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.833208][   T10]      netlink_rcv_skb+0x130/0x360
[   81.833208][   T10]      netlink_unicast+0x449/0x710
[   81.833208][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.833208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.833208][   T10]      ___sys_sendmsg+0xee/0x170
[   81.833208][   T10]      __sys_sendmsg+0xcd/0x170
[   81.833208][   T10]      do_syscall_64+0xc6/0x1e0
[   81.833208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.833208][   T10] 
[   81.835209][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   81.835209][   T10]      neigh_parms_alloc+0x1e5/0x510
[   81.835209][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   81.835209][   T10]      ipv6_find_idev+0x102/0x170
[   81.835209][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   81.835209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.835209][   T10]      netlink_rcv_skb+0x130/0x360
[   81.835209][   T10]      netlink_unicast+0x449/0x710
[   81.835209][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.835209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.835209][   T10]      ___sys_sendmsg+0xee/0x170
[   81.835209][   T10]      __sys_sendmsg+0xcd/0x170
[   81.835209][   T10]      do_syscall_64+0xc6/0x1e0
[   81.835209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.835209][   T10] 
[   81.837353][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[   81.837992][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   81.837992][   T10]      netdev_get_by_index+0x5e/0x80
[   81.837992][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.837992][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.837992][   T10]      ip6_route_add+0x1c/0x140
[   81.837992][   T10]      addrconf_prefix_route+0x2a6/0x430
[   81.837992][   T10]      inet6_addr_add+0x4f8/0xa40
[   81.837992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.837992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.837992][   T10]      netlink_rcv_skb+0x130/0x360
[   81.837992][   T10]      netlink_unicast+0x449/0x710
[   81.837992][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.837992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.837992][   T10]      ___sys_sendmsg+0xee/0x170
[   81.837992][   T10]      __sys_sendmsg+0xcd/0x170
[   81.837992][   T10]      do_syscall_64+0xc6/0x1e0
[   81.837992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.837992][   T10] 
[   81.840618][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   81.840618][   T10]      netdev_get_by_index+0x5e/0x80
[   81.840618][   T10]      fib6_nh_init+0x3d8/0x1580
[   81.840618][   T10]      ip6_route_info_create+0xf18/0x17d0
[   81.840618][   T10]      addrconf_f6i_alloc+0x315/0x560
[   81.840618][   T10]      ipv6_add_addr+0x411/0x2000
[   81.840618][   T10]      inet6_addr_add+0x30e/0xa40
[   81.840618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   81.840618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.840618][   T10]      netlink_rcv_skb+0x130/0x360
[   81.840618][   T10]      netlink_unicast+0x449/0x710
[   81.840618][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.840618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.840618][   T10]      ___sys_sendmsg+0xee/0x170
[   81.840618][   T10]      __sys_sendmsg+0xcd/0x170
[   81.840618][   T10]      do_syscall_64+0xc6/0x1e0
[   81.840618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.840618][   T10] 
[   81.843098][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   81.843098][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   81.843098][   T10]      ipv6_find_idev+0x102/0x170
[   81.843098][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   81.843098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.843098][   T10]      netlink_rcv_skb+0x130/0x360
[   81.843098][   T10]      netlink_unicast+0x449/0x710
[   81.843098][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.843098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.843098][   T10]      ___sys_sendmsg+0xee/0x170
[   81.843098][   T10]      __sys_sendmsg+0xcd/0x170
[   81.843098][   T10]      do_syscall_64+0xc6/0x1e0
[   81.843098][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.843098][   T10] 
[   81.845012][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   81.845012][   T10]      neigh_parms_alloc+0x1e5/0x510
[   81.845012][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   81.845012][   T10]      ipv6_find_idev+0x102/0x170
[   81.845012][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   81.845012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   81.845012][   T10]      netlink_rcv_skb+0x130/0x360
[   81.845012][   T10]      netlink_unicast+0x449/0x710
[   81.845012][   T10]      netlink_sendmsg+0x723/0xbe0
[   81.845012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   81.845012][   T10]      ___sys_sendmsg+0xee/0x170
[   81.845012][   T10]      __sys_sendmsg+0xcd/0x170
[   81.845012][   T10]      do_syscall_64+0xc6/0x1e0
[   81.845012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   81.845012][   T10] 
[   82.049804][  T645] br0: port 1(vx0) entered blocking state
[   82.050062][  T645] br0: port 1(vx0) entered disabled state
[   82.050247][  T645] vx0: entered allmulticast mode
[   82.051444][  T645] vx0: entered promiscuous mode
[   82.053271][  T645] br0: port 1(vx0) entered blocking state
[   82.053444][  T645] br0: port 1(vx0) entered forwarding state
[   87.315121][  T675] br0: port 1(vx0) entered blocking state
[   87.315324][  T675] br0: port 1(vx0) entered disabled state
[   87.315508][  T675] vx0: entered allmulticast mode
[   87.317547][  T675] vx0: entered promiscuous mode
[   87.319380][  T675] br0: port 1(vx0) entered blocking state
[   87.319576][  T675] br0: port 1(vx0) entered forwarding state
[   91.944685][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[   91.945217][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.945217][   T10]      dst_init+0x84/0x4a0
[   91.945217][   T10]      dst_alloc+0x97/0x150
[   91.945217][   T10]      ip6_dst_alloc+0x23/0x90
[   91.945217][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[   91.945217][   T10]      ip6_pol_route+0x56f/0x840
[   91.945217][   T10]      fib6_rule_lookup+0x456/0x630
[   91.945217][   T10]      ip6_route_input+0x59c/0xa50
[   91.945217][   T10]      ipv6_rcv+0x397/0x810
[   91.945217][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[   91.945217][   T10]      process_backlog+0x101/0x620
[   91.945217][   T10]      __napi_poll.constprop.0+0xa2/0x460
[   91.945217][   T10]      net_rx_action+0x495/0xbe0
[   91.945217][   T10]      __do_softirq+0x1b5/0x7f6
[   91.945217][   T10] 
[   91.947119][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.947119][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[   91.947119][   T10]      ip6_validate_gw+0x3f7/0x7b0
[   91.947119][   T10]      fib6_nh_init+0xa22/0x1580
[   91.947119][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.947119][   T10]      ip6_route_add+0x1c/0x140
[   91.947119][   T10]      inet6_rtm_newroute+0x104/0x110
[   91.947119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.947119][   T10]      netlink_rcv_skb+0x130/0x360
[   91.947119][   T10]      netlink_unicast+0x449/0x710
[   91.947119][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.947119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.947119][   T10]      ___sys_sendmsg+0xee/0x170
[   91.947119][   T10]      __sys_sendmsg+0xcd/0x170
[   91.947119][   T10]      do_syscall_64+0xc6/0x1e0
[   91.947119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.947119][   T10] 
[   91.949219][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.949219][   T10]      netdev_get_by_index+0x5e/0x80
[   91.949219][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.949219][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.949219][   T10]      addrconf_f6i_alloc+0x265/0x560
[   91.949219][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[   91.949219][   T10]      addrconf_join_anycast+0x1c0/0x220
[   91.949219][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[   91.949219][   T10]      addrconf_dad_completed+0x12b/0xe20
[   91.949219][   T10]      addrconf_dad_begin+0x310/0x670
[   91.949219][   T10]      addrconf_dad_work+0x10b/0xab0
[   91.949219][   T10]      process_one_work+0x84d/0x18a0
[   91.949219][   T10]      worker_thread+0x587/0xd30
[   91.949219][   T10]      kthread+0x28a/0x350
[   91.949219][   T10]      ret_from_fork+0x31/0x70
[   91.949219][   T10]      ret_from_fork_asm+0x1a/0x30
[   91.949219][   T10] 
[   91.951334][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.951334][   T10]      netdev_get_by_index+0x5e/0x80
[   91.951334][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.951334][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.951334][   T10]      ip6_route_add+0x1c/0x140
[   91.951334][   T10]      addrconf_prefix_route+0x2a6/0x430
[   91.951334][   T10]      inet6_addr_add+0x4f8/0xa40
[   91.951334][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.951334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.951334][   T10]      netlink_rcv_skb+0x130/0x360
[   91.951334][   T10]      netlink_unicast+0x449/0x710
[   91.951334][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.951334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.951334][   T10]      ___sys_sendmsg+0xee/0x170
[   91.951334][   T10]      __sys_sendmsg+0xcd/0x170
[   91.951334][   T10]      do_syscall_64+0xc6/0x1e0
[   91.951334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.951334][   T10] 
[   91.953566][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.953566][   T10]      netdev_get_by_index+0x5e/0x80
[   91.953566][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.953566][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.953566][   T10]      addrconf_f6i_alloc+0x315/0x560
[   91.953566][   T10]      ipv6_add_addr+0x411/0x2000
[   91.953566][   T10]      inet6_addr_add+0x30e/0xa40
[   91.953566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.953566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.953566][   T10]      netlink_rcv_skb+0x130/0x360
[   91.953566][   T10]      netlink_unicast+0x449/0x710
[   91.953566][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.953566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.953566][   T10]      ___sys_sendmsg+0xee/0x170
[   91.953566][   T10]      __sys_sendmsg+0xcd/0x170
[   91.953566][   T10]      do_syscall_64+0xc6/0x1e0
[   91.953566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.953566][   T10] 
[   91.955798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.955798][   T10]      netdev_get_by_index+0x5e/0x80
[   91.955798][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.955798][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.955798][   T10]      ip6_route_add+0x1c/0x140
[   91.955798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[   91.955798][   T10]      addrconf_add_dev+0xe2/0x170
[   91.955798][   T10]      inet6_addr_add+0x12f/0xa40
[   91.955798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.955798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.955798][   T10]      netlink_rcv_skb+0x130/0x360
[   91.955798][   T10]      netlink_unicast+0x449/0x710
[   91.955798][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.955798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.955798][   T10]      ___sys_sendmsg+0xee/0x170
[   91.955798][   T10]      __sys_sendmsg+0xcd/0x170
[   91.955798][   T10]      do_syscall_64+0xc6/0x1e0
[   91.955798][   T10] 
[   91.957986][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.957986][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   91.957986][   T10]      ipv6_find_idev+0x102/0x170
[   91.957986][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   91.957986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.957986][   T10]      netlink_rcv_skb+0x130/0x360
[   91.957986][   T10]      netlink_unicast+0x449/0x710
[   91.957986][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.957986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.957986][   T10]      ___sys_sendmsg+0xee/0x170
[   91.957986][   T10]      __sys_sendmsg+0xcd/0x170
[   91.957986][   T10]      do_syscall_64+0xc6/0x1e0
[   91.957986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.957986][   T10] 
[   91.959711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[   91.959711][   T10]      neigh_parms_alloc+0x1e5/0x510
[   91.959711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   91.959711][   T10]      ipv6_find_idev+0x102/0x170
[   91.959711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   91.959711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.959711][   T10]      netlink_rcv_skb+0x130/0x360
[   91.959711][   T10]      netlink_unicast+0x449/0x710
[   91.959711][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.959711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.959711][   T10]      ___sys_sendmsg+0xee/0x170
[   91.959711][   T10]      __sys_sendmsg+0xcd/0x170
[   91.959711][   T10]      do_syscall_64+0xc6/0x1e0
[   91.959711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.959711][   T10] 
[   91.961600][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[   91.961868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.961868][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[   91.961868][   T10]      ip6_validate_gw+0x3f7/0x7b0
[   91.961868][   T10]      fib6_nh_init+0xa22/0x1580
[   91.961868][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.961868][   T10]      ip6_route_add+0x1c/0x140
[   91.961868][   T10]      inet6_rtm_newroute+0x104/0x110
[   91.961868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.961868][   T10]      netlink_rcv_skb+0x130/0x360
[   91.961868][   T10]      netlink_unicast+0x449/0x710
[   91.961868][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.961868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.961868][   T10]      ___sys_sendmsg+0xee/0x170
[   91.961868][   T10]      __sys_sendmsg+0xcd/0x170
[   91.961868][   T10]      do_syscall_64+0xc6/0x1e0
[   91.961868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.961868][   T10] 
[   91.963957][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.963957][   T10]      dst_init+0x84/0x4a0
[   91.963957][   T10]      dst_alloc+0x97/0x150
[   91.963957][   T10]      ip6_dst_alloc+0x23/0x90
[   91.963957][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[   91.963957][   T10]      ip6_pol_route+0x56f/0x840
[   91.963957][   T10]      fib6_rule_lookup+0x456/0x630
[   91.963957][   T10]      ip6_route_input+0x59c/0xa50
[   91.963957][   T10]      ipv6_rcv+0x397/0x810
[   91.963957][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[   91.963957][   T10]      process_backlog+0x101/0x620
[   91.963957][   T10]      __napi_poll.constprop.0+0xa2/0x460
[   91.963957][   T10]      net_rx_action+0x495/0xbe0
[   91.963957][   T10]      __do_softirq+0x1b5/0x7f6
[   91.963957][   T10] 
[   91.965796][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.965796][   T10]      netdev_get_by_index+0x5e/0x80
[   91.965796][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.965796][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.965796][   T10]      addrconf_f6i_alloc+0x265/0x560
[   91.965796][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[   91.965796][   T10]      addrconf_join_anycast+0x1c0/0x220
[   91.965796][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[   91.965796][   T10]      addrconf_dad_completed+0x12b/0xe20
[   91.965796][   T10]      addrconf_dad_begin+0x310/0x670
[   91.965796][   T10]      addrconf_dad_work+0x10b/0xab0
[   91.965796][   T10]      process_one_work+0x84d/0x18a0
[   91.965796][   T10]      worker_thread+0x587/0xd30
[   91.965796][   T10]      kthread+0x28a/0x350
[   91.965796][   T10]      ret_from_fork+0x31/0x70
[   91.965796][   T10]      ret_from_fork_asm+0x1a/0x30
[   91.965796][   T10] 
[   91.967921][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.967921][   T10]      netdev_get_by_index+0x5e/0x80
[   91.967921][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.967921][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.967921][   T10]      ip6_route_add+0x1c/0x140
[   91.967921][   T10]      addrconf_prefix_route+0x2a6/0x430
[   91.967921][   T10]      inet6_addr_add+0x4f8/0xa40
[   91.967921][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.967921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.967921][   T10]      netlink_rcv_skb+0x130/0x360
[   91.967921][   T10]      netlink_unicast+0x449/0x710
[   91.967921][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.967921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.967921][   T10]      ___sys_sendmsg+0xee/0x170
[   91.967921][   T10]      __sys_sendmsg+0xcd/0x170
[   91.967921][   T10]      do_syscall_64+0xc6/0x1e0
[   91.967921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.967921][   T10] 
[   91.970143][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.970143][   T10]      netdev_get_by_index+0x5e/0x80
[   91.970143][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.970143][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.970143][   T10]      addrconf_f6i_alloc+0x315/0x560
[   91.970143][   T10]      ipv6_add_addr+0x411/0x2000
[   91.970143][   T10]      inet6_addr_add+0x30e/0xa40
[   91.970143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.970143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.970143][   T10]      netlink_rcv_skb+0x130/0x360
[   91.970143][   T10]      netlink_unicast+0x449/0x710
[   91.970143][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.970143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.970143][   T10]      ___sys_sendmsg+0xee/0x170
[   91.970143][   T10]      __sys_sendmsg+0xcd/0x170
[   91.970143][   T10]      do_syscall_64+0xc6/0x1e0
[   91.970143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.970143][   T10] 
[   91.972393][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.972393][   T10]      netdev_get_by_index+0x5e/0x80
[   91.972393][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.972393][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.972393][   T10]      ip6_route_add+0x1c/0x140
[   91.972393][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[   91.972393][   T10]      addrconf_add_dev+0xe2/0x170
[   91.972393][   T10]      inet6_addr_add+0x12f/0xa40
[   91.972393][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.972393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.972393][   T10]      netlink_rcv_skb+0x130/0x360
[   91.972393][   T10]      netlink_unicast+0x449/0x710
[   91.972393][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.972393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.972393][   T10]      ___sys_sendmsg+0xee/0x170
[   91.972393][   T10]      __sys_sendmsg+0xcd/0x170
[   91.972393][   T10]      do_syscall_64+0xc6/0x1e0
[   91.972393][   T10] 
[   91.974665][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.974665][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   91.974665][   T10]      ipv6_find_idev+0x102/0x170
[   91.974665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   91.974665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.974665][   T10]      netlink_rcv_skb+0x130/0x360
[   91.974665][   T10]      netlink_unicast+0x449/0x710
[   91.974665][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.974665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.974665][   T10]      ___sys_sendmsg+0xee/0x170
[   91.974665][   T10]      __sys_sendmsg+0xcd/0x170
[   91.974665][   T10]      do_syscall_64+0xc6/0x1e0
[   91.974665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.974665][   T10] 
[   91.976508][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[   91.976508][   T10]      neigh_parms_alloc+0x1e5/0x510
[   91.976508][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   91.976508][   T10]      ipv6_find_idev+0x102/0x170
[   91.976508][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   91.976508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.976508][   T10]      netlink_rcv_skb+0x130/0x360
[   91.976508][   T10]      netlink_unicast+0x449/0x710
[   91.976508][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.976508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.976508][   T10]      ___sys_sendmsg+0xee/0x170
[   91.976508][   T10]      __sys_sendmsg+0xcd/0x170
[   91.976508][   T10]      do_syscall_64+0xc6/0x1e0
[   91.976508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.976508][   T10] 
[   91.978526][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[   91.978795][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   91.978795][   T10]      netdev_get_by_index+0x5e/0x80
[   91.978795][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.978795][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.978795][   T10]      ip6_route_add+0x1c/0x140
[   91.978795][   T10]      addrconf_prefix_route+0x2a6/0x430
[   91.978795][   T10]      inet6_addr_add+0x4f8/0xa40
[   91.978795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.978795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.978795][   T10]      netlink_rcv_skb+0x130/0x360
[   91.978795][   T10]      netlink_unicast+0x449/0x710
[   91.978795][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.978795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.978795][   T10]      ___sys_sendmsg+0xee/0x170
[   91.978795][   T10]      __sys_sendmsg+0xcd/0x170
[   91.978795][   T10]      do_syscall_64+0xc6/0x1e0
[   91.978795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.978795][   T10] 
[   91.981142][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   91.981142][   T10]      netdev_get_by_index+0x5e/0x80
[   91.981142][   T10]      fib6_nh_init+0x3d8/0x1580
[   91.981142][   T10]      ip6_route_info_create+0xf18/0x17d0
[   91.981142][   T10]      addrconf_f6i_alloc+0x315/0x560
[   91.981142][   T10]      ipv6_add_addr+0x411/0x2000
[   91.981142][   T10]      inet6_addr_add+0x30e/0xa40
[   91.981142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[   91.981142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.981142][   T10]      netlink_rcv_skb+0x130/0x360
[   91.981142][   T10]      netlink_unicast+0x449/0x710
[   91.981142][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.981142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.981142][   T10]      ___sys_sendmsg+0xee/0x170
[   91.981142][   T10]      __sys_sendmsg+0xcd/0x170
[   91.981142][   T10]      do_syscall_64+0xc6/0x1e0
[   91.981142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.981142][   T10] 
[   91.983473][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   91.983473][   T10]      ipv6_add_dev+0x3ba/0x11c0
[   91.983473][   T10]      ipv6_find_idev+0x102/0x170
[   91.983473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   91.983473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.983473][   T10]      netlink_rcv_skb+0x130/0x360
[   91.983473][   T10]      netlink_unicast+0x449/0x710
[   91.983473][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.983473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.983473][   T10]      ___sys_sendmsg+0xee/0x170
[   91.983473][   T10]      __sys_sendmsg+0xcd/0x170
[   91.983473][   T10]      do_syscall_64+0xc6/0x1e0
[   91.983473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.983473][   T10] 
[   91.985352][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[   91.985352][   T10]      neigh_parms_alloc+0x1e5/0x510
[   91.985352][   T10]      ipv6_add_dev+0x2fe/0x11c0
[   91.985352][   T10]      ipv6_find_idev+0x102/0x170
[   91.985352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[   91.985352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[   91.985352][   T10]      netlink_rcv_skb+0x130/0x360
[   91.985352][   T10]      netlink_unicast+0x449/0x710
[   91.985352][   T10]      netlink_sendmsg+0x723/0xbe0
[   91.985352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[   91.985352][   T10]      ___sys_sendmsg+0xee/0x170
[   91.985352][   T10]      __sys_sendmsg+0xcd/0x170
[   91.985352][   T10]      do_syscall_64+0xc6/0x1e0
[   91.985352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[   91.985352][   T10] 
[  102.072603][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  102.072911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.072911][   T10]      dst_init+0x84/0x4a0
[  102.072911][   T10]      dst_alloc+0x97/0x150
[  102.072911][   T10]      ip6_dst_alloc+0x23/0x90
[  102.072911][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  102.072911][   T10]      ip6_pol_route+0x56f/0x840
[  102.072911][   T10]      fib6_rule_lookup+0x456/0x630
[  102.072911][   T10]      ip6_route_input+0x59c/0xa50
[  102.072911][   T10]      ipv6_rcv+0x397/0x810
[  102.072911][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  102.072911][   T10]      process_backlog+0x101/0x620
[  102.072911][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  102.072911][   T10]      net_rx_action+0x495/0xbe0
[  102.072911][   T10]      __do_softirq+0x1b5/0x7f6
[  102.072911][   T10] 
[  102.074745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.074745][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  102.074745][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  102.074745][   T10]      fib6_nh_init+0xa22/0x1580
[  102.074745][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.074745][   T10]      ip6_route_add+0x1c/0x140
[  102.074745][   T10]      inet6_rtm_newroute+0x104/0x110
[  102.074745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.074745][   T10]      netlink_rcv_skb+0x130/0x360
[  102.074745][   T10]      netlink_unicast+0x449/0x710
[  102.074745][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.074745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.074745][   T10]      ___sys_sendmsg+0xee/0x170
[  102.074745][   T10]      __sys_sendmsg+0xcd/0x170
[  102.074745][   T10]      do_syscall_64+0xc6/0x1e0
[  102.074745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.074745][   T10] 
[  102.076869][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.076869][   T10]      netdev_get_by_index+0x5e/0x80
[  102.076869][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.076869][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.076869][   T10]      addrconf_f6i_alloc+0x265/0x560
[  102.076869][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  102.076869][   T10]      addrconf_join_anycast+0x1c0/0x220
[  102.076869][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  102.076869][   T10]      addrconf_dad_completed+0x12b/0xe20
[  102.076869][   T10]      addrconf_dad_begin+0x310/0x670
[  102.076869][   T10]      addrconf_dad_work+0x10b/0xab0
[  102.076869][   T10]      process_one_work+0x84d/0x18a0
[  102.076869][   T10]      worker_thread+0x587/0xd30
[  102.076869][   T10]      kthread+0x28a/0x350
[  102.076869][   T10]      ret_from_fork+0x31/0x70
[  102.076869][   T10]      ret_from_fork_asm+0x1a/0x30
[  102.076869][   T10] 
[  102.078996][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.078996][   T10]      netdev_get_by_index+0x5e/0x80
[  102.078996][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.078996][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.078996][   T10]      ip6_route_add+0x1c/0x140
[  102.078996][   T10]      addrconf_prefix_route+0x2a6/0x430
[  102.078996][   T10]      inet6_addr_add+0x4f8/0xa40
[  102.078996][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.078996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.078996][   T10]      netlink_rcv_skb+0x130/0x360
[  102.078996][   T10]      netlink_unicast+0x449/0x710
[  102.078996][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.078996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.078996][   T10]      ___sys_sendmsg+0xee/0x170
[  102.078996][   T10]      __sys_sendmsg+0xcd/0x170
[  102.078996][   T10]      do_syscall_64+0xc6/0x1e0
[  102.078996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.078996][   T10] 
[  102.081207][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.081207][   T10]      netdev_get_by_index+0x5e/0x80
[  102.081207][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.081207][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.081207][   T10]      addrconf_f6i_alloc+0x315/0x560
[  102.081207][   T10]      ipv6_add_addr+0x411/0x2000
[  102.081207][   T10]      inet6_addr_add+0x30e/0xa40
[  102.081207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.081207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.081207][   T10]      netlink_rcv_skb+0x130/0x360
[  102.081207][   T10]      netlink_unicast+0x449/0x710
[  102.081207][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.081207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.081207][   T10]      ___sys_sendmsg+0xee/0x170
[  102.081207][   T10]      __sys_sendmsg+0xcd/0x170
[  102.081207][   T10]      do_syscall_64+0xc6/0x1e0
[  102.081207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.081207][   T10] 
[  102.083430][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.083430][   T10]      netdev_get_by_index+0x5e/0x80
[  102.083430][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.083430][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.083430][   T10]      ip6_route_add+0x1c/0x140
[  102.083430][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  102.083430][   T10]      addrconf_add_dev+0xe2/0x170
[  102.083430][   T10]      inet6_addr_add+0x12f/0xa40
[  102.083430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.083430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.083430][   T10]      netlink_rcv_skb+0x130/0x360
[  102.083430][   T10]      netlink_unicast+0x449/0x710
[  102.083430][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.083430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.083430][   T10]      ___sys_sendmsg+0xee/0x170
[  102.083430][   T10]      __sys_sendmsg+0xcd/0x170
[  102.083430][   T10]      do_syscall_64+0xc6/0x1e0
[  102.083430][   T10] 
[  102.085628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.085628][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  102.085628][   T10]      ipv6_find_idev+0x102/0x170
[  102.085628][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  102.085628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.085628][   T10]      netlink_rcv_skb+0x130/0x360
[  102.085628][   T10]      netlink_unicast+0x449/0x710
[  102.085628][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.085628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.085628][   T10]      ___sys_sendmsg+0xee/0x170
[  102.085628][   T10]      __sys_sendmsg+0xcd/0x170
[  102.085628][   T10]      do_syscall_64+0xc6/0x1e0
[  102.085628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.085628][   T10] 
[  102.087343][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  102.087343][   T10]      neigh_parms_alloc+0x1e5/0x510
[  102.087343][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  102.087343][   T10]      ipv6_find_idev+0x102/0x170
[  102.087343][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  102.087343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.087343][   T10]      netlink_rcv_skb+0x130/0x360
[  102.087343][   T10]      netlink_unicast+0x449/0x710
[  102.087343][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.087343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.087343][   T10]      ___sys_sendmsg+0xee/0x170
[  102.087343][   T10]      __sys_sendmsg+0xcd/0x170
[  102.087343][   T10]      do_syscall_64+0xc6/0x1e0
[  102.087343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.087343][   T10] 
[  102.089220][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  102.089490][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.089490][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  102.089490][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  102.089490][   T10]      fib6_nh_init+0xa22/0x1580
[  102.089490][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.089490][   T10]      ip6_route_add+0x1c/0x140
[  102.089490][   T10]      inet6_rtm_newroute+0x104/0x110
[  102.089490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.089490][   T10]      netlink_rcv_skb+0x130/0x360
[  102.089490][   T10]      netlink_unicast+0x449/0x710
[  102.089490][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.089490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.089490][   T10]      ___sys_sendmsg+0xee/0x170
[  102.089490][   T10]      __sys_sendmsg+0xcd/0x170
[  102.089490][   T10]      do_syscall_64+0xc6/0x1e0
[  102.089490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.089490][   T10] 
[  102.091582][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.091582][   T10]      dst_init+0x84/0x4a0
[  102.091582][   T10]      dst_alloc+0x97/0x150
[  102.091582][   T10]      ip6_dst_alloc+0x23/0x90
[  102.091582][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  102.091582][   T10]      ip6_pol_route+0x56f/0x840
[  102.091582][   T10]      fib6_rule_lookup+0x456/0x630
[  102.091582][   T10]      ip6_route_input+0x59c/0xa50
[  102.091582][   T10]      ipv6_rcv+0x397/0x810
[  102.091582][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  102.091582][   T10]      process_backlog+0x101/0x620
[  102.091582][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  102.091582][   T10]      net_rx_action+0x495/0xbe0
[  102.091582][   T10]      __do_softirq+0x1b5/0x7f6
[  102.091582][   T10] 
[  102.093397][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.093397][   T10]      netdev_get_by_index+0x5e/0x80
[  102.093397][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.093397][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.093397][   T10]      addrconf_f6i_alloc+0x265/0x560
[  102.093397][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  102.093397][   T10]      addrconf_join_anycast+0x1c0/0x220
[  102.093397][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  102.093397][   T10]      addrconf_dad_completed+0x12b/0xe20
[  102.093397][   T10]      addrconf_dad_begin+0x310/0x670
[  102.093397][   T10]      addrconf_dad_work+0x10b/0xab0
[  102.093397][   T10]      process_one_work+0x84d/0x18a0
[  102.093397][   T10]      worker_thread+0x587/0xd30
[  102.093397][   T10]      kthread+0x28a/0x350
[  102.093397][   T10]      ret_from_fork+0x31/0x70
[  102.093397][   T10]      ret_from_fork_asm+0x1a/0x30
[  102.093397][   T10] 
[  102.095535][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.095535][   T10]      netdev_get_by_index+0x5e/0x80
[  102.095535][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.095535][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.095535][   T10]      ip6_route_add+0x1c/0x140
[  102.095535][   T10]      addrconf_prefix_route+0x2a6/0x430
[  102.095535][   T10]      inet6_addr_add+0x4f8/0xa40
[  102.095535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.095535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.095535][   T10]      netlink_rcv_skb+0x130/0x360
[  102.095535][   T10]      netlink_unicast+0x449/0x710
[  102.095535][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.095535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.095535][   T10]      ___sys_sendmsg+0xee/0x170
[  102.095535][   T10]      __sys_sendmsg+0xcd/0x170
[  102.095535][   T10]      do_syscall_64+0xc6/0x1e0
[  102.095535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.095535][   T10] 
[  102.097768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.097768][   T10]      netdev_get_by_index+0x5e/0x80
[  102.097768][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.097768][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.097768][   T10]      addrconf_f6i_alloc+0x315/0x560
[  102.097768][   T10]      ipv6_add_addr+0x411/0x2000
[  102.097768][   T10]      inet6_addr_add+0x30e/0xa40
[  102.097768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.097768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.097768][   T10]      netlink_rcv_skb+0x130/0x360
[  102.097768][   T10]      netlink_unicast+0x449/0x710
[  102.097768][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.097768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.097768][   T10]      ___sys_sendmsg+0xee/0x170
[  102.097768][   T10]      __sys_sendmsg+0xcd/0x170
[  102.097768][   T10]      do_syscall_64+0xc6/0x1e0
[  102.097768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.097768][   T10] 
[  102.100100][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.100100][   T10]      netdev_get_by_index+0x5e/0x80
[  102.100100][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.100100][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.100100][   T10]      ip6_route_add+0x1c/0x140
[  102.100100][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  102.100100][   T10]      addrconf_add_dev+0xe2/0x170
[  102.100100][   T10]      inet6_addr_add+0x12f/0xa40
[  102.100100][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.100100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.100100][   T10]      netlink_rcv_skb+0x130/0x360
[  102.100100][   T10]      netlink_unicast+0x449/0x710
[  102.100100][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.100100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.100100][   T10]      ___sys_sendmsg+0xee/0x170
[  102.100100][   T10]      __sys_sendmsg+0xcd/0x170
[  102.100100][   T10]      do_syscall_64+0xc6/0x1e0
[  102.100100][   T10] 
[  102.102468][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.102468][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  102.102468][   T10]      ipv6_find_idev+0x102/0x170
[  102.102468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  102.102468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.102468][   T10]      netlink_rcv_skb+0x130/0x360
[  102.102468][   T10]      netlink_unicast+0x449/0x710
[  102.102468][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.102468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.102468][   T10]      ___sys_sendmsg+0xee/0x170
[  102.102468][   T10]      __sys_sendmsg+0xcd/0x170
[  102.102468][   T10]      do_syscall_64+0xc6/0x1e0
[  102.102468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.102468][   T10] 
[  102.104375][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  102.104375][   T10]      neigh_parms_alloc+0x1e5/0x510
[  102.104375][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  102.104375][   T10]      ipv6_find_idev+0x102/0x170
[  102.104375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  102.104375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.104375][   T10]      netlink_rcv_skb+0x130/0x360
[  102.104375][   T10]      netlink_unicast+0x449/0x710
[  102.104375][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.104375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.104375][   T10]      ___sys_sendmsg+0xee/0x170
[  102.104375][   T10]      __sys_sendmsg+0xcd/0x170
[  102.104375][   T10]      do_syscall_64+0xc6/0x1e0
[  102.104375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.104375][   T10] 
[  102.106631][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  102.106914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  102.106914][   T10]      netdev_get_by_index+0x5e/0x80
[  102.106914][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.106914][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.106914][   T10]      ip6_route_add+0x1c/0x140
[  102.106914][   T10]      addrconf_prefix_route+0x2a6/0x430
[  102.106914][   T10]      inet6_addr_add+0x4f8/0xa40
[  102.106914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.106914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.106914][   T10]      netlink_rcv_skb+0x130/0x360
[  102.106914][   T10]      netlink_unicast+0x449/0x710
[  102.106914][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.106914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.106914][   T10]      ___sys_sendmsg+0xee/0x170
[  102.106914][   T10]      __sys_sendmsg+0xcd/0x170
[  102.106914][   T10]      do_syscall_64+0xc6/0x1e0
[  102.106914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.106914][   T10] 
[  102.109250][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  102.109250][   T10]      netdev_get_by_index+0x5e/0x80
[  102.109250][   T10]      fib6_nh_init+0x3d8/0x1580
[  102.109250][   T10]      ip6_route_info_create+0xf18/0x17d0
[  102.109250][   T10]      addrconf_f6i_alloc+0x315/0x560
[  102.109250][   T10]      ipv6_add_addr+0x411/0x2000
[  102.109250][   T10]      inet6_addr_add+0x30e/0xa40
[  102.109250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  102.109250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.109250][   T10]      netlink_rcv_skb+0x130/0x360
[  102.109250][   T10]      netlink_unicast+0x449/0x710
[  102.109250][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.109250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.109250][   T10]      ___sys_sendmsg+0xee/0x170
[  102.109250][   T10]      __sys_sendmsg+0xcd/0x170
[  102.109250][   T10]      do_syscall_64+0xc6/0x1e0
[  102.109250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.109250][   T10] 
[  102.111696][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  102.111696][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  102.111696][   T10]      ipv6_find_idev+0x102/0x170
[  102.111696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  102.111696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.111696][   T10]      netlink_rcv_skb+0x130/0x360
[  102.111696][   T10]      netlink_unicast+0x449/0x710
[  102.111696][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.111696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.111696][   T10]      ___sys_sendmsg+0xee/0x170
[  102.111696][   T10]      __sys_sendmsg+0xcd/0x170
[  102.111696][   T10]      do_syscall_64+0xc6/0x1e0
[  102.111696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.111696][   T10] 
[  102.113578][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  102.113578][   T10]      neigh_parms_alloc+0x1e5/0x510
[  102.113578][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  102.113578][   T10]      ipv6_find_idev+0x102/0x170
[  102.113578][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  102.113578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  102.113578][   T10]      netlink_rcv_skb+0x130/0x360
[  102.113578][   T10]      netlink_unicast+0x449/0x710
[  102.113578][   T10]      netlink_sendmsg+0x723/0xbe0
[  102.113578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  102.113578][   T10]      ___sys_sendmsg+0xee/0x170
[  102.113578][   T10]      __sys_sendmsg+0xcd/0x170
[  102.113578][   T10]      do_syscall_64+0xc6/0x1e0
[  102.113578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  102.113578][   T10] 
[  103.987368][  T805] veth0: renamed from veth1
[  107.918893][  T832] br0: port 1(vx0) entered blocking state
[  107.919199][  T832] br0: port 1(vx0) entered disabled state
[  107.919394][  T832] vx0: entered allmulticast mode
[  107.920567][  T832] vx0: entered promiscuous mode
[  107.929087][  T832] br0: port 1(vx0) entered blocking state
[  107.929277][  T832] br0: port 1(vx0) entered forwarding state
[  112.265726][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  112.266103][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.266103][   T10]      dst_init+0x84/0x4a0
[  112.266103][   T10]      dst_alloc+0x97/0x150
[  112.266103][   T10]      ip6_dst_alloc+0x23/0x90
[  112.266103][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  112.266103][   T10]      ip6_pol_route+0x56f/0x840
[  112.266103][   T10]      fib6_rule_lookup+0x456/0x630
[  112.266103][   T10]      ip6_route_input+0x59c/0xa50
[  112.266103][   T10]      ipv6_rcv+0x397/0x810
[  112.266103][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  112.266103][   T10]      process_backlog+0x101/0x620
[  112.266103][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  112.266103][   T10]      net_rx_action+0x495/0xbe0
[  112.266103][   T10]      __do_softirq+0x1b5/0x7f6
[  112.266103][   T10] 
[  112.268144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.268144][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  112.268144][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  112.268144][   T10]      fib6_nh_init+0xa22/0x1580
[  112.268144][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.268144][   T10]      ip6_route_add+0x1c/0x140
[  112.268144][   T10]      inet6_rtm_newroute+0x104/0x110
[  112.268144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.268144][   T10]      netlink_rcv_skb+0x130/0x360
[  112.268144][   T10]      netlink_unicast+0x449/0x710
[  112.268144][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.268144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.268144][   T10]      ___sys_sendmsg+0xee/0x170
[  112.268144][   T10]      __sys_sendmsg+0xcd/0x170
[  112.268144][   T10]      do_syscall_64+0xc6/0x1e0
[  112.268144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.268144][   T10] 
[  112.270355][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.270355][   T10]      netdev_get_by_index+0x5e/0x80
[  112.270355][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.270355][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.270355][   T10]      addrconf_f6i_alloc+0x265/0x560
[  112.270355][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  112.270355][   T10]      addrconf_join_anycast+0x1c0/0x220
[  112.270355][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  112.270355][   T10]      addrconf_dad_completed+0x12b/0xe20
[  112.270355][   T10]      addrconf_dad_begin+0x310/0x670
[  112.270355][   T10]      addrconf_dad_work+0x10b/0xab0
[  112.270355][   T10]      process_one_work+0x84d/0x18a0
[  112.270355][   T10]      worker_thread+0x587/0xd30
[  112.270355][   T10]      kthread+0x28a/0x350
[  112.270355][   T10]      ret_from_fork+0x31/0x70
[  112.270355][   T10]      ret_from_fork_asm+0x1a/0x30
[  112.270355][   T10] 
[  112.272585][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.272585][   T10]      netdev_get_by_index+0x5e/0x80
[  112.272585][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.272585][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.272585][   T10]      ip6_route_add+0x1c/0x140
[  112.272585][   T10]      addrconf_prefix_route+0x2a6/0x430
[  112.272585][   T10]      inet6_addr_add+0x4f8/0xa40
[  112.272585][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.272585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.272585][   T10]      netlink_rcv_skb+0x130/0x360
[  112.272585][   T10]      netlink_unicast+0x449/0x710
[  112.272585][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.272585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.272585][   T10]      ___sys_sendmsg+0xee/0x170
[  112.272585][   T10]      __sys_sendmsg+0xcd/0x170
[  112.272585][   T10]      do_syscall_64+0xc6/0x1e0
[  112.272585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.272585][   T10] 
[  112.274854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.274854][   T10]      netdev_get_by_index+0x5e/0x80
[  112.274854][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.274854][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.274854][   T10]      addrconf_f6i_alloc+0x315/0x560
[  112.274854][   T10]      ipv6_add_addr+0x411/0x2000
[  112.274854][   T10]      inet6_addr_add+0x30e/0xa40
[  112.274854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.274854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.274854][   T10]      netlink_rcv_skb+0x130/0x360
[  112.274854][   T10]      netlink_unicast+0x449/0x710
[  112.274854][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.274854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.274854][   T10]      ___sys_sendmsg+0xee/0x170
[  112.274854][   T10]      __sys_sendmsg+0xcd/0x170
[  112.274854][   T10]      do_syscall_64+0xc6/0x1e0
[  112.274854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.274854][   T10] 
[  112.277146][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.277146][   T10]      netdev_get_by_index+0x5e/0x80
[  112.277146][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.277146][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.277146][   T10]      ip6_route_add+0x1c/0x140
[  112.277146][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  112.277146][   T10]      addrconf_add_dev+0xe2/0x170
[  112.277146][   T10]      inet6_addr_add+0x12f/0xa40
[  112.277146][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.277146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.277146][   T10]      netlink_rcv_skb+0x130/0x360
[  112.277146][   T10]      netlink_unicast+0x449/0x710
[  112.277146][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.277146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.277146][   T10]      ___sys_sendmsg+0xee/0x170
[  112.277146][   T10]      __sys_sendmsg+0xcd/0x170
[  112.277146][   T10]      do_syscall_64+0xc6/0x1e0
[  112.277146][   T10] 
[  112.279398][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.279398][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  112.279398][   T10]      ipv6_find_idev+0x102/0x170
[  112.279398][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  112.279398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.279398][   T10]      netlink_rcv_skb+0x130/0x360
[  112.279398][   T10]      netlink_unicast+0x449/0x710
[  112.279398][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.279398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.279398][   T10]      ___sys_sendmsg+0xee/0x170
[  112.279398][   T10]      __sys_sendmsg+0xcd/0x170
[  112.279398][   T10]      do_syscall_64+0xc6/0x1e0
[  112.279398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.279398][   T10] 
[  112.281148][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  112.281148][   T10]      neigh_parms_alloc+0x1e5/0x510
[  112.281148][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  112.281148][   T10]      ipv6_find_idev+0x102/0x170
[  112.281148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  112.281148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.281148][   T10]      netlink_rcv_skb+0x130/0x360
[  112.281148][   T10]      netlink_unicast+0x449/0x710
[  112.281148][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.281148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.281148][   T10]      ___sys_sendmsg+0xee/0x170
[  112.281148][   T10]      __sys_sendmsg+0xcd/0x170
[  112.281148][   T10]      do_syscall_64+0xc6/0x1e0
[  112.281148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.281148][   T10] 
[  112.283106][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  112.283395][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.283395][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  112.283395][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  112.283395][   T10]      fib6_nh_init+0xa22/0x1580
[  112.283395][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.283395][   T10]      ip6_route_add+0x1c/0x140
[  112.283395][   T10]      inet6_rtm_newroute+0x104/0x110
[  112.283395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.283395][   T10]      netlink_rcv_skb+0x130/0x360
[  112.283395][   T10]      netlink_unicast+0x449/0x710
[  112.283395][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.283395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.283395][   T10]      ___sys_sendmsg+0xee/0x170
[  112.283395][   T10]      __sys_sendmsg+0xcd/0x170
[  112.283395][   T10]      do_syscall_64+0xc6/0x1e0
[  112.283395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.283395][   T10] 
[  112.285674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.285674][   T10]      dst_init+0x84/0x4a0
[  112.285674][   T10]      dst_alloc+0x97/0x150
[  112.285674][   T10]      ip6_dst_alloc+0x23/0x90
[  112.285674][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  112.285674][   T10]      ip6_pol_route+0x56f/0x840
[  112.285674][   T10]      fib6_rule_lookup+0x456/0x630
[  112.285674][   T10]      ip6_route_input+0x59c/0xa50
[  112.285674][   T10]      ipv6_rcv+0x397/0x810
[  112.285674][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  112.285674][   T10]      process_backlog+0x101/0x620
[  112.285674][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  112.285674][   T10]      net_rx_action+0x495/0xbe0
[  112.285674][   T10]      __do_softirq+0x1b5/0x7f6
[  112.285674][   T10] 
[  112.287647][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.287647][   T10]      netdev_get_by_index+0x5e/0x80
[  112.287647][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.287647][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.287647][   T10]      addrconf_f6i_alloc+0x265/0x560
[  112.287647][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  112.287647][   T10]      addrconf_join_anycast+0x1c0/0x220
[  112.287647][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  112.287647][   T10]      addrconf_dad_completed+0x12b/0xe20
[  112.287647][   T10]      addrconf_dad_begin+0x310/0x670
[  112.287647][   T10]      addrconf_dad_work+0x10b/0xab0
[  112.287647][   T10]      process_one_work+0x84d/0x18a0
[  112.287647][   T10]      worker_thread+0x587/0xd30
[  112.287647][   T10]      kthread+0x28a/0x350
[  112.287647][   T10]      ret_from_fork+0x31/0x70
[  112.287647][   T10]      ret_from_fork_asm+0x1a/0x30
[  112.287647][   T10] 
[  112.290076][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.290076][   T10]      netdev_get_by_index+0x5e/0x80
[  112.290076][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.290076][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.290076][   T10]      ip6_route_add+0x1c/0x140
[  112.290076][   T10]      addrconf_prefix_route+0x2a6/0x430
[  112.290076][   T10]      inet6_addr_add+0x4f8/0xa40
[  112.290076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.290076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.290076][   T10]      netlink_rcv_skb+0x130/0x360
[  112.290076][   T10]      netlink_unicast+0x449/0x710
[  112.290076][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.290076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.290076][   T10]      ___sys_sendmsg+0xee/0x170
[  112.290076][   T10]      __sys_sendmsg+0xcd/0x170
[  112.290076][   T10]      do_syscall_64+0xc6/0x1e0
[  112.290076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.290076][   T10] 
[  112.292645][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.292645][   T10]      netdev_get_by_index+0x5e/0x80
[  112.292645][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.292645][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.292645][   T10]      addrconf_f6i_alloc+0x315/0x560
[  112.292645][   T10]      ipv6_add_addr+0x411/0x2000
[  112.292645][   T10]      inet6_addr_add+0x30e/0xa40
[  112.292645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.292645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.292645][   T10]      netlink_rcv_skb+0x130/0x360
[  112.292645][   T10]      netlink_unicast+0x449/0x710
[  112.292645][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.292645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.292645][   T10]      ___sys_sendmsg+0xee/0x170
[  112.292645][   T10]      __sys_sendmsg+0xcd/0x170
[  112.292645][   T10]      do_syscall_64+0xc6/0x1e0
[  112.292645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.292645][   T10] 
[  112.295195][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.295195][   T10]      netdev_get_by_index+0x5e/0x80
[  112.295195][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.295195][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.295195][   T10]      ip6_route_add+0x1c/0x140
[  112.295195][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  112.295195][   T10]      addrconf_add_dev+0xe2/0x170
[  112.295195][   T10]      inet6_addr_add+0x12f/0xa40
[  112.295195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.295195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.295195][   T10]      netlink_rcv_skb+0x130/0x360
[  112.295195][   T10]      netlink_unicast+0x449/0x710
[  112.295195][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.295195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.295195][   T10]      ___sys_sendmsg+0xee/0x170
[  112.295195][   T10]      __sys_sendmsg+0xcd/0x170
[  112.295195][   T10]      do_syscall_64+0xc6/0x1e0
[  112.295195][   T10] 
[  112.297824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.297824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  112.297824][   T10]      ipv6_find_idev+0x102/0x170
[  112.297824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  112.297824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.297824][   T10]      netlink_rcv_skb+0x130/0x360
[  112.297824][   T10]      netlink_unicast+0x449/0x710
[  112.297824][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.297824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.297824][   T10]      ___sys_sendmsg+0xee/0x170
[  112.297824][   T10]      __sys_sendmsg+0xcd/0x170
[  112.297824][   T10]      do_syscall_64+0xc6/0x1e0
[  112.297824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.297824][   T10] 
[  112.299590][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  112.299590][   T10]      neigh_parms_alloc+0x1e5/0x510
[  112.299590][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  112.299590][   T10]      ipv6_find_idev+0x102/0x170
[  112.299590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  112.299590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.299590][   T10]      netlink_rcv_skb+0x130/0x360
[  112.299590][   T10]      netlink_unicast+0x449/0x710
[  112.299590][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.299590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.299590][   T10]      ___sys_sendmsg+0xee/0x170
[  112.299590][   T10]      __sys_sendmsg+0xcd/0x170
[  112.299590][   T10]      do_syscall_64+0xc6/0x1e0
[  112.299590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.299590][   T10] 
[  112.301512][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  112.301796][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  112.301796][   T10]      netdev_get_by_index+0x5e/0x80
[  112.301796][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.301796][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.301796][   T10]      ip6_route_add+0x1c/0x140
[  112.301796][   T10]      addrconf_prefix_route+0x2a6/0x430
[  112.301796][   T10]      inet6_addr_add+0x4f8/0xa40
[  112.301796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.301796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.301796][   T10]      netlink_rcv_skb+0x130/0x360
[  112.301796][   T10]      netlink_unicast+0x449/0x710
[  112.301796][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.301796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.301796][   T10]      ___sys_sendmsg+0xee/0x170
[  112.301796][   T10]      __sys_sendmsg+0xcd/0x170
[  112.301796][   T10]      do_syscall_64+0xc6/0x1e0
[  112.301796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.301796][   T10] 
[  112.304180][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  112.304180][   T10]      netdev_get_by_index+0x5e/0x80
[  112.304180][   T10]      fib6_nh_init+0x3d8/0x1580
[  112.304180][   T10]      ip6_route_info_create+0xf18/0x17d0
[  112.304180][   T10]      addrconf_f6i_alloc+0x315/0x560
[  112.304180][   T10]      ipv6_add_addr+0x411/0x2000
[  112.304180][   T10]      inet6_addr_add+0x30e/0xa40
[  112.304180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  112.304180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.304180][   T10]      netlink_rcv_skb+0x130/0x360
[  112.304180][   T10]      netlink_unicast+0x449/0x710
[  112.304180][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.304180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.304180][   T10]      ___sys_sendmsg+0xee/0x170
[  112.304180][   T10]      __sys_sendmsg+0xcd/0x170
[  112.304180][   T10]      do_syscall_64+0xc6/0x1e0
[  112.304180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.304180][   T10] 
[  112.306595][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  112.306595][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  112.306595][   T10]      ipv6_find_idev+0x102/0x170
[  112.306595][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  112.306595][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.306595][   T10]      netlink_rcv_skb+0x130/0x360
[  112.306595][   T10]      netlink_unicast+0x449/0x710
[  112.306595][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.306595][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.306595][   T10]      ___sys_sendmsg+0xee/0x170
[  112.306595][   T10]      __sys_sendmsg+0xcd/0x170
[  112.306595][   T10]      do_syscall_64+0xc6/0x1e0
[  112.306595][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.306595][   T10] 
[  112.308538][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  112.308538][   T10]      neigh_parms_alloc+0x1e5/0x510
[  112.308538][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  112.308538][   T10]      ipv6_find_idev+0x102/0x170
[  112.308538][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  112.308538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  112.308538][   T10]      netlink_rcv_skb+0x130/0x360
[  112.308538][   T10]      netlink_unicast+0x449/0x710
[  112.308538][   T10]      netlink_sendmsg+0x723/0xbe0
[  112.308538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  112.308538][   T10]      ___sys_sendmsg+0xee/0x170
[  112.308538][   T10]      __sys_sendmsg+0xcd/0x170
[  112.308538][   T10]      do_syscall_64+0xc6/0x1e0
[  112.308538][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  112.308538][   T10] 
[  113.351766][  T862] br0: port 1(vx0) entered blocking state
[  113.352032][  T862] br0: port 1(vx0) entered disabled state
[  113.352212][  T862] vx0: entered allmulticast mode
[  113.353377][  T862] vx0: entered promiscuous mode
[  113.355922][  T862] br0: port 1(vx0) entered blocking state
[  113.356101][  T862] br0: port 1(vx0) entered forwarding state
[  117.328221][  T893] veth0: renamed from veth1
[  121.276438][  T920] br0: port 1(vx0) entered blocking state
[  121.276657][  T920] br0: port 1(vx0) entered disabled state
[  121.276845][  T920] vx0: entered allmulticast mode
[  121.278031][  T920] vx0: entered promiscuous mode
[  121.285343][  T920] br0: port 1(vx0) entered blocking state
[  121.285535][  T920] br0: port 1(vx0) entered forwarding state
[  122.440711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  122.441114][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.441114][   T10]      dst_init+0x84/0x4a0
[  122.441114][   T10]      dst_alloc+0x97/0x150
[  122.441114][   T10]      ip6_dst_alloc+0x23/0x90
[  122.441114][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  122.441114][   T10]      ip6_pol_route+0x56f/0x840
[  122.441114][   T10]      fib6_rule_lookup+0x456/0x630
[  122.441114][   T10]      ip6_route_input+0x59c/0xa50
[  122.441114][   T10]      ipv6_rcv+0x397/0x810
[  122.441114][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  122.441114][   T10]      process_backlog+0x101/0x620
[  122.441114][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  122.441114][   T10]      net_rx_action+0x495/0xbe0
[  122.441114][   T10]      __do_softirq+0x1b5/0x7f6
[  122.441114][   T10] 
[  122.442850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.442850][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  122.442850][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  122.442850][   T10]      fib6_nh_init+0xa22/0x1580
[  122.442850][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.442850][   T10]      ip6_route_add+0x1c/0x140
[  122.442850][   T10]      inet6_rtm_newroute+0x104/0x110
[  122.442850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.442850][   T10]      netlink_rcv_skb+0x130/0x360
[  122.442850][   T10]      netlink_unicast+0x449/0x710
[  122.442850][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.442850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.442850][   T10]      ___sys_sendmsg+0xee/0x170
[  122.442850][   T10]      __sys_sendmsg+0xcd/0x170
[  122.442850][   T10]      do_syscall_64+0xc6/0x1e0
[  122.442850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.442850][   T10] 
[  122.444807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.444807][   T10]      netdev_get_by_index+0x5e/0x80
[  122.444807][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.444807][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.444807][   T10]      addrconf_f6i_alloc+0x265/0x560
[  122.444807][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  122.444807][   T10]      addrconf_join_anycast+0x1c0/0x220
[  122.444807][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  122.444807][   T10]      addrconf_dad_completed+0x12b/0xe20
[  122.444807][   T10]      addrconf_dad_begin+0x310/0x670
[  122.444807][   T10]      addrconf_dad_work+0x10b/0xab0
[  122.444807][   T10]      process_one_work+0x84d/0x18a0
[  122.444807][   T10]      worker_thread+0x587/0xd30
[  122.444807][   T10]      kthread+0x28a/0x350
[  122.444807][   T10]      ret_from_fork+0x31/0x70
[  122.444807][   T10]      ret_from_fork_asm+0x1a/0x30
[  122.444807][   T10] 
[  122.446805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.446805][   T10]      netdev_get_by_index+0x5e/0x80
[  122.446805][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.446805][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.446805][   T10]      ip6_route_add+0x1c/0x140
[  122.446805][   T10]      addrconf_prefix_route+0x2a6/0x430
[  122.446805][   T10]      inet6_addr_add+0x4f8/0xa40
[  122.446805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.446805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.446805][   T10]      netlink_rcv_skb+0x130/0x360
[  122.446805][   T10]      netlink_unicast+0x449/0x710
[  122.446805][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.446805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.446805][   T10]      ___sys_sendmsg+0xee/0x170
[  122.446805][   T10]      __sys_sendmsg+0xcd/0x170
[  122.446805][   T10]      do_syscall_64+0xc6/0x1e0
[  122.446805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.446805][   T10] 
[  122.448905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.448905][   T10]      netdev_get_by_index+0x5e/0x80
[  122.448905][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.448905][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.448905][   T10]      addrconf_f6i_alloc+0x315/0x560
[  122.448905][   T10]      ipv6_add_addr+0x411/0x2000
[  122.448905][   T10]      inet6_addr_add+0x30e/0xa40
[  122.448905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.448905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.448905][   T10]      netlink_rcv_skb+0x130/0x360
[  122.448905][   T10]      netlink_unicast+0x449/0x710
[  122.448905][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.448905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.448905][   T10]      ___sys_sendmsg+0xee/0x170
[  122.448905][   T10]      __sys_sendmsg+0xcd/0x170
[  122.448905][   T10]      do_syscall_64+0xc6/0x1e0
[  122.448905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.448905][   T10] 
[  122.450990][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.450990][   T10]      netdev_get_by_index+0x5e/0x80
[  122.450990][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.450990][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.450990][   T10]      ip6_route_add+0x1c/0x140
[  122.450990][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  122.450990][   T10]      addrconf_add_dev+0xe2/0x170
[  122.450990][   T10]      inet6_addr_add+0x12f/0xa40
[  122.450990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.450990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.450990][   T10]      netlink_rcv_skb+0x130/0x360
[  122.450990][   T10]      netlink_unicast+0x449/0x710
[  122.450990][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.450990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.450990][   T10]      ___sys_sendmsg+0xee/0x170
[  122.450990][   T10]      __sys_sendmsg+0xcd/0x170
[  122.450990][   T10]      do_syscall_64+0xc6/0x1e0
[  122.450990][   T10] 
[  122.453064][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.453064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  122.453064][   T10]      ipv6_find_idev+0x102/0x170
[  122.453064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  122.453064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.453064][   T10]      netlink_rcv_skb+0x130/0x360
[  122.453064][   T10]      netlink_unicast+0x449/0x710
[  122.453064][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.453064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.453064][   T10]      ___sys_sendmsg+0xee/0x170
[  122.453064][   T10]      __sys_sendmsg+0xcd/0x170
[  122.453064][   T10]      do_syscall_64+0xc6/0x1e0
[  122.453064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.453064][   T10] 
[  122.454659][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  122.454659][   T10]      neigh_parms_alloc+0x1e5/0x510
[  122.454659][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  122.454659][   T10]      ipv6_find_idev+0x102/0x170
[  122.454659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  122.454659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.454659][   T10]      netlink_rcv_skb+0x130/0x360
[  122.454659][   T10]      netlink_unicast+0x449/0x710
[  122.454659][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.454659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.454659][   T10]      ___sys_sendmsg+0xee/0x170
[  122.454659][   T10]      __sys_sendmsg+0xcd/0x170
[  122.454659][   T10]      do_syscall_64+0xc6/0x1e0
[  122.454659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.454659][   T10] 
[  122.456405][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  122.456662][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.456662][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  122.456662][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  122.456662][   T10]      fib6_nh_init+0xa22/0x1580
[  122.456662][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.456662][   T10]      ip6_route_add+0x1c/0x140
[  122.456662][   T10]      inet6_rtm_newroute+0x104/0x110
[  122.456662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.456662][   T10]      netlink_rcv_skb+0x130/0x360
[  122.456662][   T10]      netlink_unicast+0x449/0x710
[  122.456662][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.456662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.456662][   T10]      ___sys_sendmsg+0xee/0x170
[  122.456662][   T10]      __sys_sendmsg+0xcd/0x170
[  122.456662][   T10]      do_syscall_64+0xc6/0x1e0
[  122.456662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.456662][   T10] 
[  122.458578][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.458578][   T10]      dst_init+0x84/0x4a0
[  122.458578][   T10]      dst_alloc+0x97/0x150
[  122.458578][   T10]      ip6_dst_alloc+0x23/0x90
[  122.458578][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  122.458578][   T10]      ip6_pol_route+0x56f/0x840
[  122.458578][   T10]      fib6_rule_lookup+0x456/0x630
[  122.458578][   T10]      ip6_route_input+0x59c/0xa50
[  122.458578][   T10]      ipv6_rcv+0x397/0x810
[  122.458578][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  122.458578][   T10]      process_backlog+0x101/0x620
[  122.458578][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  122.458578][   T10]      net_rx_action+0x495/0xbe0
[  122.458578][   T10]      __do_softirq+0x1b5/0x7f6
[  122.458578][   T10] 
[  122.460321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.460321][   T10]      netdev_get_by_index+0x5e/0x80
[  122.460321][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.460321][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.460321][   T10]      addrconf_f6i_alloc+0x265/0x560
[  122.460321][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  122.460321][   T10]      addrconf_join_anycast+0x1c0/0x220
[  122.460321][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  122.460321][   T10]      addrconf_dad_completed+0x12b/0xe20
[  122.460321][   T10]      addrconf_dad_begin+0x310/0x670
[  122.460321][   T10]      addrconf_dad_work+0x10b/0xab0
[  122.460321][   T10]      process_one_work+0x84d/0x18a0
[  122.460321][   T10]      worker_thread+0x587/0xd30
[  122.460321][   T10]      kthread+0x28a/0x350
[  122.460321][   T10]      ret_from_fork+0x31/0x70
[  122.460321][   T10]      ret_from_fork_asm+0x1a/0x30
[  122.460321][   T10] 
[  122.462445][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.462445][   T10]      netdev_get_by_index+0x5e/0x80
[  122.462445][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.462445][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.462445][   T10]      ip6_route_add+0x1c/0x140
[  122.462445][   T10]      addrconf_prefix_route+0x2a6/0x430
[  122.462445][   T10]      inet6_addr_add+0x4f8/0xa40
[  122.462445][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.462445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.462445][   T10]      netlink_rcv_skb+0x130/0x360
[  122.462445][   T10]      netlink_unicast+0x449/0x710
[  122.462445][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.462445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.462445][   T10]      ___sys_sendmsg+0xee/0x170
[  122.462445][   T10]      __sys_sendmsg+0xcd/0x170
[  122.462445][   T10]      do_syscall_64+0xc6/0x1e0
[  122.462445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.462445][   T10] 
[  122.464713][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.464713][   T10]      netdev_get_by_index+0x5e/0x80
[  122.464713][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.464713][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.464713][   T10]      addrconf_f6i_alloc+0x315/0x560
[  122.464713][   T10]      ipv6_add_addr+0x411/0x2000
[  122.464713][   T10]      inet6_addr_add+0x30e/0xa40
[  122.464713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.464713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.464713][   T10]      netlink_rcv_skb+0x130/0x360
[  122.464713][   T10]      netlink_unicast+0x449/0x710
[  122.464713][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.464713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.464713][   T10]      ___sys_sendmsg+0xee/0x170
[  122.464713][   T10]      __sys_sendmsg+0xcd/0x170
[  122.464713][   T10]      do_syscall_64+0xc6/0x1e0
[  122.464713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.464713][   T10] 
[  122.466956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.466956][   T10]      netdev_get_by_index+0x5e/0x80
[  122.466956][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.466956][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.466956][   T10]      ip6_route_add+0x1c/0x140
[  122.466956][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  122.466956][   T10]      addrconf_add_dev+0xe2/0x170
[  122.466956][   T10]      inet6_addr_add+0x12f/0xa40
[  122.466956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.466956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.466956][   T10]      netlink_rcv_skb+0x130/0x360
[  122.466956][   T10]      netlink_unicast+0x449/0x710
[  122.466956][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.466956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.466956][   T10]      ___sys_sendmsg+0xee/0x170
[  122.466956][   T10]      __sys_sendmsg+0xcd/0x170
[  122.466956][   T10]      do_syscall_64+0xc6/0x1e0
[  122.466956][   T10] 
[  122.469285][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.469285][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  122.469285][   T10]      ipv6_find_idev+0x102/0x170
[  122.469285][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  122.469285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.469285][   T10]      netlink_rcv_skb+0x130/0x360
[  122.469285][   T10]      netlink_unicast+0x449/0x710
[  122.469285][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.469285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.469285][   T10]      ___sys_sendmsg+0xee/0x170
[  122.469285][   T10]      __sys_sendmsg+0xcd/0x170
[  122.469285][   T10]      do_syscall_64+0xc6/0x1e0
[  122.469285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.469285][   T10] 
[  122.471036][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  122.471036][   T10]      neigh_parms_alloc+0x1e5/0x510
[  122.471036][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  122.471036][   T10]      ipv6_find_idev+0x102/0x170
[  122.471036][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  122.471036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.471036][   T10]      netlink_rcv_skb+0x130/0x360
[  122.471036][   T10]      netlink_unicast+0x449/0x710
[  122.471036][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.471036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.471036][   T10]      ___sys_sendmsg+0xee/0x170
[  122.471036][   T10]      __sys_sendmsg+0xcd/0x170
[  122.471036][   T10]      do_syscall_64+0xc6/0x1e0
[  122.471036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.471036][   T10] 
[  122.472900][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  122.473153][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  122.473153][   T10]      netdev_get_by_index+0x5e/0x80
[  122.473153][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.473153][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.473153][   T10]      ip6_route_add+0x1c/0x140
[  122.473153][   T10]      addrconf_prefix_route+0x2a6/0x430
[  122.473153][   T10]      inet6_addr_add+0x4f8/0xa40
[  122.473153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.473153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.473153][   T10]      netlink_rcv_skb+0x130/0x360
[  122.473153][   T10]      netlink_unicast+0x449/0x710
[  122.473153][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.473153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.473153][   T10]      ___sys_sendmsg+0xee/0x170
[  122.473153][   T10]      __sys_sendmsg+0xcd/0x170
[  122.473153][   T10]      do_syscall_64+0xc6/0x1e0
[  122.473153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.473153][   T10] 
[  122.475531][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  122.475531][   T10]      netdev_get_by_index+0x5e/0x80
[  122.475531][   T10]      fib6_nh_init+0x3d8/0x1580
[  122.475531][   T10]      ip6_route_info_create+0xf18/0x17d0
[  122.475531][   T10]      addrconf_f6i_alloc+0x315/0x560
[  122.475531][   T10]      ipv6_add_addr+0x411/0x2000
[  122.475531][   T10]      inet6_addr_add+0x30e/0xa40
[  122.475531][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  122.475531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.475531][   T10]      netlink_rcv_skb+0x130/0x360
[  122.475531][   T10]      netlink_unicast+0x449/0x710
[  122.475531][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.475531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.475531][   T10]      ___sys_sendmsg+0xee/0x170
[  122.475531][   T10]      __sys_sendmsg+0xcd/0x170
[  122.475531][   T10]      do_syscall_64+0xc6/0x1e0
[  122.475531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.475531][   T10] 
[  122.477985][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  122.477985][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  122.477985][   T10]      ipv6_find_idev+0x102/0x170
[  122.477985][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  122.477985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.477985][   T10]      netlink_rcv_skb+0x130/0x360
[  122.477985][   T10]      netlink_unicast+0x449/0x710
[  122.477985][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.477985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.477985][   T10]      ___sys_sendmsg+0xee/0x170
[  122.477985][   T10]      __sys_sendmsg+0xcd/0x170
[  122.477985][   T10]      do_syscall_64+0xc6/0x1e0
[  122.477985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.477985][   T10] 
[  122.479752][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  122.479752][   T10]      neigh_parms_alloc+0x1e5/0x510
[  122.479752][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  122.479752][   T10]      ipv6_find_idev+0x102/0x170
[  122.479752][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  122.479752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  122.479752][   T10]      netlink_rcv_skb+0x130/0x360
[  122.479752][   T10]      netlink_unicast+0x449/0x710
[  122.479752][   T10]      netlink_sendmsg+0x723/0xbe0
[  122.479752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  122.479752][   T10]      ___sys_sendmsg+0xee/0x170
[  122.479752][   T10]      __sys_sendmsg+0xcd/0x170
[  122.479752][   T10]      do_syscall_64+0xc6/0x1e0
[  122.479752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  122.479752][   T10] 
[  126.644361][  T950] br0: port 1(vx0) entered blocking state
[  126.644573][  T950] br0: port 1(vx0) entered disabled state
[  126.645778][  T950] vx0: entered allmulticast mode
[  126.646957][  T950] vx0: entered promiscuous mode
[  126.648767][  T950] br0: port 1(vx0) entered blocking state
[  126.648948][  T950] br0: port 1(vx0) entered forwarding state
[  132.608730][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  132.609132][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.609132][   T10]      dst_init+0x84/0x4a0
[  132.609132][   T10]      dst_alloc+0x97/0x150
[  132.609132][   T10]      ip6_dst_alloc+0x23/0x90
[  132.609132][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  132.609132][   T10]      ip6_pol_route+0x56f/0x840
[  132.609132][   T10]      fib6_rule_lookup+0x456/0x630
[  132.609132][   T10]      ip6_route_input+0x59c/0xa50
[  132.609132][   T10]      ipv6_rcv+0x397/0x810
[  132.609132][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  132.609132][   T10]      process_backlog+0x101/0x620
[  132.609132][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  132.609132][   T10]      net_rx_action+0x495/0xbe0
[  132.609132][   T10]      __do_softirq+0x1b5/0x7f6
[  132.609132][   T10] 
[  132.611022][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.611022][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  132.611022][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  132.611022][   T10]      fib6_nh_init+0xa22/0x1580
[  132.611022][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.611022][   T10]      ip6_route_add+0x1c/0x140
[  132.611022][   T10]      inet6_rtm_newroute+0x104/0x110
[  132.611022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.611022][   T10]      netlink_rcv_skb+0x130/0x360
[  132.611022][   T10]      netlink_unicast+0x449/0x710
[  132.611022][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.611022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.611022][   T10]      ___sys_sendmsg+0xee/0x170
[  132.611022][   T10]      __sys_sendmsg+0xcd/0x170
[  132.611022][   T10]      do_syscall_64+0xc6/0x1e0
[  132.611022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.611022][   T10] 
[  132.613133][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.613133][   T10]      netdev_get_by_index+0x5e/0x80
[  132.613133][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.613133][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.613133][   T10]      addrconf_f6i_alloc+0x265/0x560
[  132.613133][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  132.613133][   T10]      addrconf_join_anycast+0x1c0/0x220
[  132.613133][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  132.613133][   T10]      addrconf_dad_completed+0x12b/0xe20
[  132.613133][   T10]      addrconf_dad_begin+0x310/0x670
[  132.613133][   T10]      addrconf_dad_work+0x10b/0xab0
[  132.613133][   T10]      process_one_work+0x84d/0x18a0
[  132.613133][   T10]      worker_thread+0x587/0xd30
[  132.613133][   T10]      kthread+0x28a/0x350
[  132.613133][   T10]      ret_from_fork+0x31/0x70
[  132.613133][   T10]      ret_from_fork_asm+0x1a/0x30
[  132.613133][   T10] 
[  132.615291][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.615291][   T10]      netdev_get_by_index+0x5e/0x80
[  132.615291][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.615291][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.615291][   T10]      ip6_route_add+0x1c/0x140
[  132.615291][   T10]      addrconf_prefix_route+0x2a6/0x430
[  132.615291][   T10]      inet6_addr_add+0x4f8/0xa40
[  132.615291][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.615291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.615291][   T10]      netlink_rcv_skb+0x130/0x360
[  132.615291][   T10]      netlink_unicast+0x449/0x710
[  132.615291][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.615291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.615291][   T10]      ___sys_sendmsg+0xee/0x170
[  132.615291][   T10]      __sys_sendmsg+0xcd/0x170
[  132.615291][   T10]      do_syscall_64+0xc6/0x1e0
[  132.615291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.615291][   T10] 
[  132.617507][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.617507][   T10]      netdev_get_by_index+0x5e/0x80
[  132.617507][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.617507][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.617507][   T10]      addrconf_f6i_alloc+0x315/0x560
[  132.617507][   T10]      ipv6_add_addr+0x411/0x2000
[  132.617507][   T10]      inet6_addr_add+0x30e/0xa40
[  132.617507][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.617507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.617507][   T10]      netlink_rcv_skb+0x130/0x360
[  132.617507][   T10]      netlink_unicast+0x449/0x710
[  132.617507][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.617507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.617507][   T10]      ___sys_sendmsg+0xee/0x170
[  132.617507][   T10]      __sys_sendmsg+0xcd/0x170
[  132.617507][   T10]      do_syscall_64+0xc6/0x1e0
[  132.617507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.617507][   T10] 
[  132.619718][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.619718][   T10]      netdev_get_by_index+0x5e/0x80
[  132.619718][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.619718][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.619718][   T10]      ip6_route_add+0x1c/0x140
[  132.619718][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  132.619718][   T10]      addrconf_add_dev+0xe2/0x170
[  132.619718][   T10]      inet6_addr_add+0x12f/0xa40
[  132.619718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.619718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.619718][   T10]      netlink_rcv_skb+0x130/0x360
[  132.619718][   T10]      netlink_unicast+0x449/0x710
[  132.619718][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.619718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.619718][   T10]      ___sys_sendmsg+0xee/0x170
[  132.619718][   T10]      __sys_sendmsg+0xcd/0x170
[  132.619718][   T10]      do_syscall_64+0xc6/0x1e0
[  132.619718][   T10] 
[  132.621944][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.621944][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  132.621944][   T10]      ipv6_find_idev+0x102/0x170
[  132.621944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  132.621944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.621944][   T10]      netlink_rcv_skb+0x130/0x360
[  132.621944][   T10]      netlink_unicast+0x449/0x710
[  132.621944][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.621944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.621944][   T10]      ___sys_sendmsg+0xee/0x170
[  132.621944][   T10]      __sys_sendmsg+0xcd/0x170
[  132.621944][   T10]      do_syscall_64+0xc6/0x1e0
[  132.621944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.621944][   T10] 
[  132.623650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  132.623650][   T10]      neigh_parms_alloc+0x1e5/0x510
[  132.623650][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  132.623650][   T10]      ipv6_find_idev+0x102/0x170
[  132.623650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  132.623650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.623650][   T10]      netlink_rcv_skb+0x130/0x360
[  132.623650][   T10]      netlink_unicast+0x449/0x710
[  132.623650][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.623650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.623650][   T10]      ___sys_sendmsg+0xee/0x170
[  132.623650][   T10]      __sys_sendmsg+0xcd/0x170
[  132.623650][   T10]      do_syscall_64+0xc6/0x1e0
[  132.623650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.623650][   T10] 
[  132.625547][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  132.625826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.625826][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  132.625826][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  132.625826][   T10]      fib6_nh_init+0xa22/0x1580
[  132.625826][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.625826][   T10]      ip6_route_add+0x1c/0x140
[  132.625826][   T10]      inet6_rtm_newroute+0x104/0x110
[  132.625826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.625826][   T10]      netlink_rcv_skb+0x130/0x360
[  132.625826][   T10]      netlink_unicast+0x449/0x710
[  132.625826][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.625826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.625826][   T10]      ___sys_sendmsg+0xee/0x170
[  132.625826][   T10]      __sys_sendmsg+0xcd/0x170
[  132.625826][   T10]      do_syscall_64+0xc6/0x1e0
[  132.625826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.625826][   T10] 
[  132.627916][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.627916][   T10]      dst_init+0x84/0x4a0
[  132.627916][   T10]      dst_alloc+0x97/0x150
[  132.627916][   T10]      ip6_dst_alloc+0x23/0x90
[  132.627916][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  132.627916][   T10]      ip6_pol_route+0x56f/0x840
[  132.627916][   T10]      fib6_rule_lookup+0x456/0x630
[  132.627916][   T10]      ip6_route_input+0x59c/0xa50
[  132.627916][   T10]      ipv6_rcv+0x397/0x810
[  132.627916][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  132.627916][   T10]      process_backlog+0x101/0x620
[  132.627916][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  132.627916][   T10]      net_rx_action+0x495/0xbe0
[  132.627916][   T10]      __do_softirq+0x1b5/0x7f6
[  132.627916][   T10] 
[  132.629732][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.629732][   T10]      netdev_get_by_index+0x5e/0x80
[  132.629732][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.629732][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.629732][   T10]      addrconf_f6i_alloc+0x265/0x560
[  132.629732][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  132.629732][   T10]      addrconf_join_anycast+0x1c0/0x220
[  132.629732][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  132.629732][   T10]      addrconf_dad_completed+0x12b/0xe20
[  132.629732][   T10]      addrconf_dad_begin+0x310/0x670
[  132.629732][   T10]      addrconf_dad_work+0x10b/0xab0
[  132.629732][   T10]      process_one_work+0x84d/0x18a0
[  132.629732][   T10]      worker_thread+0x587/0xd30
[  132.629732][   T10]      kthread+0x28a/0x350
[  132.629732][   T10]      ret_from_fork+0x31/0x70
[  132.629732][   T10]      ret_from_fork_asm+0x1a/0x30
[  132.629732][   T10] 
[  132.631846][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.631846][   T10]      netdev_get_by_index+0x5e/0x80
[  132.631846][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.631846][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.631846][   T10]      ip6_route_add+0x1c/0x140
[  132.631846][   T10]      addrconf_prefix_route+0x2a6/0x430
[  132.631846][   T10]      inet6_addr_add+0x4f8/0xa40
[  132.631846][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.631846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.631846][   T10]      netlink_rcv_skb+0x130/0x360
[  132.631846][   T10]      netlink_unicast+0x449/0x710
[  132.631846][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.631846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.631846][   T10]      ___sys_sendmsg+0xee/0x170
[  132.631846][   T10]      __sys_sendmsg+0xcd/0x170
[  132.631846][   T10]      do_syscall_64+0xc6/0x1e0
[  132.631846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.631846][   T10] 
[  132.634069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.634069][   T10]      netdev_get_by_index+0x5e/0x80
[  132.634069][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.634069][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.634069][   T10]      addrconf_f6i_alloc+0x315/0x560
[  132.634069][   T10]      ipv6_add_addr+0x411/0x2000
[  132.634069][   T10]      inet6_addr_add+0x30e/0xa40
[  132.634069][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.634069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.634069][   T10]      netlink_rcv_skb+0x130/0x360
[  132.634069][   T10]      netlink_unicast+0x449/0x710
[  132.634069][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.634069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.634069][   T10]      ___sys_sendmsg+0xee/0x170
[  132.634069][   T10]      __sys_sendmsg+0xcd/0x170
[  132.634069][   T10]      do_syscall_64+0xc6/0x1e0
[  132.634069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.634069][   T10] 
[  132.636283][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.636283][   T10]      netdev_get_by_index+0x5e/0x80
[  132.636283][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.636283][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.636283][   T10]      ip6_route_add+0x1c/0x140
[  132.636283][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  132.636283][   T10]      addrconf_add_dev+0xe2/0x170
[  132.636283][   T10]      inet6_addr_add+0x12f/0xa40
[  132.636283][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.636283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.636283][   T10]      netlink_rcv_skb+0x130/0x360
[  132.636283][   T10]      netlink_unicast+0x449/0x710
[  132.636283][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.636283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.636283][   T10]      ___sys_sendmsg+0xee/0x170
[  132.636283][   T10]      __sys_sendmsg+0xcd/0x170
[  132.636283][   T10]      do_syscall_64+0xc6/0x1e0
[  132.636283][   T10] 
[  132.638672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.638672][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  132.638672][   T10]      ipv6_find_idev+0x102/0x170
[  132.638672][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  132.638672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.638672][   T10]      netlink_rcv_skb+0x130/0x360
[  132.638672][   T10]      netlink_unicast+0x449/0x710
[  132.638672][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.638672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.638672][   T10]      ___sys_sendmsg+0xee/0x170
[  132.638672][   T10]      __sys_sendmsg+0xcd/0x170
[  132.638672][   T10]      do_syscall_64+0xc6/0x1e0
[  132.638672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.638672][   T10] 
[  132.640643][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  132.640643][   T10]      neigh_parms_alloc+0x1e5/0x510
[  132.640643][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  132.640643][   T10]      ipv6_find_idev+0x102/0x170
[  132.640643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  132.640643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.640643][   T10]      netlink_rcv_skb+0x130/0x360
[  132.640643][   T10]      netlink_unicast+0x449/0x710
[  132.640643][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.640643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.640643][   T10]      ___sys_sendmsg+0xee/0x170
[  132.640643][   T10]      __sys_sendmsg+0xcd/0x170
[  132.640643][   T10]      do_syscall_64+0xc6/0x1e0
[  132.640643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.640643][   T10] 
[  132.642695][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  132.642963][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  132.642963][   T10]      netdev_get_by_index+0x5e/0x80
[  132.642963][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.642963][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.642963][   T10]      ip6_route_add+0x1c/0x140
[  132.642963][   T10]      addrconf_prefix_route+0x2a6/0x430
[  132.642963][   T10]      inet6_addr_add+0x4f8/0xa40
[  132.642963][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.642963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.642963][   T10]      netlink_rcv_skb+0x130/0x360
[  132.642963][   T10]      netlink_unicast+0x449/0x710
[  132.642963][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.642963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.642963][   T10]      ___sys_sendmsg+0xee/0x170
[  132.642963][   T10]      __sys_sendmsg+0xcd/0x170
[  132.642963][   T10]      do_syscall_64+0xc6/0x1e0
[  132.642963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.642963][   T10] 
[  132.645441][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  132.645441][   T10]      netdev_get_by_index+0x5e/0x80
[  132.645441][   T10]      fib6_nh_init+0x3d8/0x1580
[  132.645441][   T10]      ip6_route_info_create+0xf18/0x17d0
[  132.645441][   T10]      addrconf_f6i_alloc+0x315/0x560
[  132.645441][   T10]      ipv6_add_addr+0x411/0x2000
[  132.645441][   T10]      inet6_addr_add+0x30e/0xa40
[  132.645441][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  132.645441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.645441][   T10]      netlink_rcv_skb+0x130/0x360
[  132.645441][   T10]      netlink_unicast+0x449/0x710
[  132.645441][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.645441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.645441][   T10]      ___sys_sendmsg+0xee/0x170
[  132.645441][   T10]      __sys_sendmsg+0xcd/0x170
[  132.645441][   T10]      do_syscall_64+0xc6/0x1e0
[  132.645441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.645441][   T10] 
[  132.647894][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  132.647894][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  132.647894][   T10]      ipv6_find_idev+0x102/0x170
[  132.647894][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  132.647894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.647894][   T10]      netlink_rcv_skb+0x130/0x360
[  132.647894][   T10]      netlink_unicast+0x449/0x710
[  132.647894][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.647894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.647894][   T10]      ___sys_sendmsg+0xee/0x170
[  132.647894][   T10]      __sys_sendmsg+0xcd/0x170
[  132.647894][   T10]      do_syscall_64+0xc6/0x1e0
[  132.647894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.647894][   T10] 
[  132.649843][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  132.649843][   T10]      neigh_parms_alloc+0x1e5/0x510
[  132.649843][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  132.649843][   T10]      ipv6_find_idev+0x102/0x170
[  132.649843][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  132.649843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  132.649843][   T10]      netlink_rcv_skb+0x130/0x360
[  132.649843][   T10]      netlink_unicast+0x449/0x710
[  132.649843][   T10]      netlink_sendmsg+0x723/0xbe0
[  132.649843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  132.649843][   T10]      ___sys_sendmsg+0xee/0x170
[  132.649843][   T10]      __sys_sendmsg+0xcd/0x170
[  132.649843][   T10]      do_syscall_64+0xc6/0x1e0
[  132.649843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  132.649843][   T10] 
[  142.768620][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  142.768982][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.768982][   T10]      dst_init+0x84/0x4a0
[  142.768982][   T10]      dst_alloc+0x97/0x150
[  142.768982][   T10]      ip6_dst_alloc+0x23/0x90
[  142.768982][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  142.768982][   T10]      ip6_pol_route+0x56f/0x840
[  142.768982][   T10]      fib6_rule_lookup+0x456/0x630
[  142.768982][   T10]      ip6_route_input+0x59c/0xa50
[  142.768982][   T10]      ipv6_rcv+0x397/0x810
[  142.768982][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  142.768982][   T10]      process_backlog+0x101/0x620
[  142.768982][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  142.768982][   T10]      net_rx_action+0x495/0xbe0
[  142.768982][   T10]      __do_softirq+0x1b5/0x7f6
[  142.768982][   T10] 
[  142.770905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.770905][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  142.770905][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  142.770905][   T10]      fib6_nh_init+0xa22/0x1580
[  142.770905][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.770905][   T10]      ip6_route_add+0x1c/0x140
[  142.770905][   T10]      inet6_rtm_newroute+0x104/0x110
[  142.770905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.770905][   T10]      netlink_rcv_skb+0x130/0x360
[  142.770905][   T10]      netlink_unicast+0x449/0x710
[  142.770905][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.770905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.770905][   T10]      ___sys_sendmsg+0xee/0x170
[  142.770905][   T10]      __sys_sendmsg+0xcd/0x170
[  142.770905][   T10]      do_syscall_64+0xc6/0x1e0
[  142.770905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.770905][   T10] 
[  142.773018][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.773018][   T10]      netdev_get_by_index+0x5e/0x80
[  142.773018][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.773018][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.773018][   T10]      addrconf_f6i_alloc+0x265/0x560
[  142.773018][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  142.773018][   T10]      addrconf_join_anycast+0x1c0/0x220
[  142.773018][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  142.773018][   T10]      addrconf_dad_completed+0x12b/0xe20
[  142.773018][   T10]      addrconf_dad_begin+0x310/0x670
[  142.773018][   T10]      addrconf_dad_work+0x10b/0xab0
[  142.773018][   T10]      process_one_work+0x84d/0x18a0
[  142.773018][   T10]      worker_thread+0x587/0xd30
[  142.773018][   T10]      kthread+0x28a/0x350
[  142.773018][   T10]      ret_from_fork+0x31/0x70
[  142.773018][   T10]      ret_from_fork_asm+0x1a/0x30
[  142.773018][   T10] 
[  142.775205][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.775205][   T10]      netdev_get_by_index+0x5e/0x80
[  142.775205][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.775205][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.775205][   T10]      ip6_route_add+0x1c/0x140
[  142.775205][   T10]      addrconf_prefix_route+0x2a6/0x430
[  142.775205][   T10]      inet6_addr_add+0x4f8/0xa40
[  142.775205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.775205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.775205][   T10]      netlink_rcv_skb+0x130/0x360
[  142.775205][   T10]      netlink_unicast+0x449/0x710
[  142.775205][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.775205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.775205][   T10]      ___sys_sendmsg+0xee/0x170
[  142.775205][   T10]      __sys_sendmsg+0xcd/0x170
[  142.775205][   T10]      do_syscall_64+0xc6/0x1e0
[  142.775205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.775205][   T10] 
[  142.777455][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.777455][   T10]      netdev_get_by_index+0x5e/0x80
[  142.777455][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.777455][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.777455][   T10]      addrconf_f6i_alloc+0x315/0x560
[  142.777455][   T10]      ipv6_add_addr+0x411/0x2000
[  142.777455][   T10]      inet6_addr_add+0x30e/0xa40
[  142.777455][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.777455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.777455][   T10]      netlink_rcv_skb+0x130/0x360
[  142.777455][   T10]      netlink_unicast+0x449/0x710
[  142.777455][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.777455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.777455][   T10]      ___sys_sendmsg+0xee/0x170
[  142.777455][   T10]      __sys_sendmsg+0xcd/0x170
[  142.777455][   T10]      do_syscall_64+0xc6/0x1e0
[  142.777455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.777455][   T10] 
[  142.779730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.779730][   T10]      netdev_get_by_index+0x5e/0x80
[  142.779730][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.779730][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.779730][   T10]      ip6_route_add+0x1c/0x140
[  142.779730][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  142.779730][   T10]      addrconf_add_dev+0xe2/0x170
[  142.779730][   T10]      inet6_addr_add+0x12f/0xa40
[  142.779730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.779730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.779730][   T10]      netlink_rcv_skb+0x130/0x360
[  142.779730][   T10]      netlink_unicast+0x449/0x710
[  142.779730][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.779730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.779730][   T10]      ___sys_sendmsg+0xee/0x170
[  142.779730][   T10]      __sys_sendmsg+0xcd/0x170
[  142.779730][   T10]      do_syscall_64+0xc6/0x1e0
[  142.779730][   T10] 
[  142.782030][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.782030][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  142.782030][   T10]      ipv6_find_idev+0x102/0x170
[  142.782030][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  142.782030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.782030][   T10]      netlink_rcv_skb+0x130/0x360
[  142.782030][   T10]      netlink_unicast+0x449/0x710
[  142.782030][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.782030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.782030][   T10]      ___sys_sendmsg+0xee/0x170
[  142.782030][   T10]      __sys_sendmsg+0xcd/0x170
[  142.782030][   T10]      do_syscall_64+0xc6/0x1e0
[  142.782030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.782030][   T10] 
[  142.783947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  142.783947][   T10]      neigh_parms_alloc+0x1e5/0x510
[  142.783947][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  142.783947][   T10]      ipv6_find_idev+0x102/0x170
[  142.783947][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  142.783947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.783947][   T10]      netlink_rcv_skb+0x130/0x360
[  142.783947][   T10]      netlink_unicast+0x449/0x710
[  142.783947][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.783947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.783947][   T10]      ___sys_sendmsg+0xee/0x170
[  142.783947][   T10]      __sys_sendmsg+0xcd/0x170
[  142.783947][   T10]      do_syscall_64+0xc6/0x1e0
[  142.783947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.783947][   T10] 
[  142.786212][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  142.786498][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.786498][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  142.786498][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  142.786498][   T10]      fib6_nh_init+0xa22/0x1580
[  142.786498][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.786498][   T10]      ip6_route_add+0x1c/0x140
[  142.786498][   T10]      inet6_rtm_newroute+0x104/0x110
[  142.786498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.786498][   T10]      netlink_rcv_skb+0x130/0x360
[  142.786498][   T10]      netlink_unicast+0x449/0x710
[  142.786498][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.786498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.786498][   T10]      ___sys_sendmsg+0xee/0x170
[  142.786498][   T10]      __sys_sendmsg+0xcd/0x170
[  142.786498][   T10]      do_syscall_64+0xc6/0x1e0
[  142.786498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.786498][   T10] 
[  142.788831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.788831][   T10]      dst_init+0x84/0x4a0
[  142.788831][   T10]      dst_alloc+0x97/0x150
[  142.788831][   T10]      ip6_dst_alloc+0x23/0x90
[  142.788831][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  142.788831][   T10]      ip6_pol_route+0x56f/0x840
[  142.788831][   T10]      fib6_rule_lookup+0x456/0x630
[  142.788831][   T10]      ip6_route_input+0x59c/0xa50
[  142.788831][   T10]      ipv6_rcv+0x397/0x810
[  142.788831][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  142.788831][   T10]      process_backlog+0x101/0x620
[  142.788831][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  142.788831][   T10]      net_rx_action+0x495/0xbe0
[  142.788831][   T10]      __do_softirq+0x1b5/0x7f6
[  142.788831][   T10] 
[  142.790709][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.790709][   T10]      netdev_get_by_index+0x5e/0x80
[  142.790709][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.790709][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.790709][   T10]      addrconf_f6i_alloc+0x265/0x560
[  142.790709][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  142.790709][   T10]      addrconf_join_anycast+0x1c0/0x220
[  142.790709][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  142.790709][   T10]      addrconf_dad_completed+0x12b/0xe20
[  142.790709][   T10]      addrconf_dad_begin+0x310/0x670
[  142.790709][   T10]      addrconf_dad_work+0x10b/0xab0
[  142.790709][   T10]      process_one_work+0x84d/0x18a0
[  142.790709][   T10]      worker_thread+0x587/0xd30
[  142.790709][   T10]      kthread+0x28a/0x350
[  142.790709][   T10]      ret_from_fork+0x31/0x70
[  142.790709][   T10]      ret_from_fork_asm+0x1a/0x30
[  142.790709][   T10] 
[  142.793056][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.793056][   T10]      netdev_get_by_index+0x5e/0x80
[  142.793056][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.793056][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.793056][   T10]      ip6_route_add+0x1c/0x140
[  142.793056][   T10]      addrconf_prefix_route+0x2a6/0x430
[  142.793056][   T10]      inet6_addr_add+0x4f8/0xa40
[  142.793056][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.793056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.793056][   T10]      netlink_rcv_skb+0x130/0x360
[  142.793056][   T10]      netlink_unicast+0x449/0x710
[  142.793056][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.793056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.793056][   T10]      ___sys_sendmsg+0xee/0x170
[  142.793056][   T10]      __sys_sendmsg+0xcd/0x170
[  142.793056][   T10]      do_syscall_64+0xc6/0x1e0
[  142.793056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.793056][   T10] 
[  142.795415][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.795415][   T10]      netdev_get_by_index+0x5e/0x80
[  142.795415][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.795415][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.795415][   T10]      addrconf_f6i_alloc+0x315/0x560
[  142.795415][   T10]      ipv6_add_addr+0x411/0x2000
[  142.795415][   T10]      inet6_addr_add+0x30e/0xa40
[  142.795415][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.795415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.795415][   T10]      netlink_rcv_skb+0x130/0x360
[  142.795415][   T10]      netlink_unicast+0x449/0x710
[  142.795415][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.795415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.795415][   T10]      ___sys_sendmsg+0xee/0x170
[  142.795415][   T10]      __sys_sendmsg+0xcd/0x170
[  142.795415][   T10]      do_syscall_64+0xc6/0x1e0
[  142.795415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.795415][   T10] 
[  142.797964][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.797964][   T10]      netdev_get_by_index+0x5e/0x80
[  142.797964][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.797964][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.797964][   T10]      ip6_route_add+0x1c/0x140
[  142.797964][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  142.797964][   T10]      addrconf_add_dev+0xe2/0x170
[  142.797964][   T10]      inet6_addr_add+0x12f/0xa40
[  142.797964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.797964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.797964][   T10]      netlink_rcv_skb+0x130/0x360
[  142.797964][   T10]      netlink_unicast+0x449/0x710
[  142.797964][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.797964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.797964][   T10]      ___sys_sendmsg+0xee/0x170
[  142.797964][   T10]      __sys_sendmsg+0xcd/0x170
[  142.797964][   T10]      do_syscall_64+0xc6/0x1e0
[  142.797964][   T10] 
[  142.800408][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.800408][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  142.800408][   T10]      ipv6_find_idev+0x102/0x170
[  142.800408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  142.800408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.800408][   T10]      netlink_rcv_skb+0x130/0x360
[  142.800408][   T10]      netlink_unicast+0x449/0x710
[  142.800408][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.800408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.800408][   T10]      ___sys_sendmsg+0xee/0x170
[  142.800408][   T10]      __sys_sendmsg+0xcd/0x170
[  142.800408][   T10]      do_syscall_64+0xc6/0x1e0
[  142.800408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.800408][   T10] 
[  142.802333][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  142.802333][   T10]      neigh_parms_alloc+0x1e5/0x510
[  142.802333][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  142.802333][   T10]      ipv6_find_idev+0x102/0x170
[  142.802333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  142.802333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.802333][   T10]      netlink_rcv_skb+0x130/0x360
[  142.802333][   T10]      netlink_unicast+0x449/0x710
[  142.802333][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.802333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.802333][   T10]      ___sys_sendmsg+0xee/0x170
[  142.802333][   T10]      __sys_sendmsg+0xcd/0x170
[  142.802333][   T10]      do_syscall_64+0xc6/0x1e0
[  142.802333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.802333][   T10] 
[  142.804422][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  142.804828][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  142.804828][   T10]      netdev_get_by_index+0x5e/0x80
[  142.804828][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.804828][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.804828][   T10]      ip6_route_add+0x1c/0x140
[  142.804828][   T10]      addrconf_prefix_route+0x2a6/0x430
[  142.804828][   T10]      inet6_addr_add+0x4f8/0xa40
[  142.804828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.804828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.804828][   T10]      netlink_rcv_skb+0x130/0x360
[  142.804828][   T10]      netlink_unicast+0x449/0x710
[  142.804828][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.804828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.804828][   T10]      ___sys_sendmsg+0xee/0x170
[  142.804828][   T10]      __sys_sendmsg+0xcd/0x170
[  142.804828][   T10]      do_syscall_64+0xc6/0x1e0
[  142.804828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.804828][   T10] 
[  142.807101][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  142.807101][   T10]      netdev_get_by_index+0x5e/0x80
[  142.807101][   T10]      fib6_nh_init+0x3d8/0x1580
[  142.807101][   T10]      ip6_route_info_create+0xf18/0x17d0
[  142.807101][   T10]      addrconf_f6i_alloc+0x315/0x560
[  142.807101][   T10]      ipv6_add_addr+0x411/0x2000
[  142.807101][   T10]      inet6_addr_add+0x30e/0xa40
[  142.807101][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  142.807101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.807101][   T10]      netlink_rcv_skb+0x130/0x360
[  142.807101][   T10]      netlink_unicast+0x449/0x710
[  142.807101][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.807101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.807101][   T10]      ___sys_sendmsg+0xee/0x170
[  142.807101][   T10]      __sys_sendmsg+0xcd/0x170
[  142.807101][   T10]      do_syscall_64+0xc6/0x1e0
[  142.807101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.807101][   T10] 
[  142.809545][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  142.809545][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  142.809545][   T10]      ipv6_find_idev+0x102/0x170
[  142.809545][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  142.809545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.809545][   T10]      netlink_rcv_skb+0x130/0x360
[  142.809545][   T10]      netlink_unicast+0x449/0x710
[  142.809545][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.809545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.809545][   T10]      ___sys_sendmsg+0xee/0x170
[  142.809545][   T10]      __sys_sendmsg+0xcd/0x170
[  142.809545][   T10]      do_syscall_64+0xc6/0x1e0
[  142.809545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.809545][   T10] 
[  142.811462][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  142.811462][   T10]      neigh_parms_alloc+0x1e5/0x510
[  142.811462][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  142.811462][   T10]      ipv6_find_idev+0x102/0x170
[  142.811462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  142.811462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  142.811462][   T10]      netlink_rcv_skb+0x130/0x360
[  142.811462][   T10]      netlink_unicast+0x449/0x710
[  142.811462][   T10]      netlink_sendmsg+0x723/0xbe0
[  142.811462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  142.811462][   T10]      ___sys_sendmsg+0xee/0x170
[  142.811462][   T10]      __sys_sendmsg+0xcd/0x170
[  142.811462][   T10]      do_syscall_64+0xc6/0x1e0
[  142.811462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  142.811462][   T10] 
[  143.033370][ T1073] ip (1073) used greatest stack depth: 23968 bytes left
[  143.536963][ T1080] veth0: renamed from veth1
[  147.338413][ T1106] br0: port 1(vx0) entered blocking state
[  147.338626][ T1106] br0: port 1(vx0) entered disabled state
[  147.338809][ T1106] vx0: entered allmulticast mode
[  147.339890][ T1106] vx0: entered promiscuous mode
[  147.341598][ T1106] br0: port 1(vx0) entered blocking state
[  147.341775][ T1106] br0: port 1(vx0) entered forwarding state
[  152.621608][ T1136] br0: port 1(vx0) entered blocking state
[  152.621872][ T1136] br0: port 1(vx0) entered disabled state
[  152.622053][ T1136] vx0: entered allmulticast mode
[  152.623220][ T1136] vx0: entered promiscuous mode
[  152.630475][ T1136] br0: port 1(vx0) entered blocking state
[  152.630682][ T1136] br0: port 1(vx0) entered forwarding state
[  152.976608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  152.976951][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.976951][   T10]      dst_init+0x84/0x4a0
[  152.976951][   T10]      dst_alloc+0x97/0x150
[  152.976951][   T10]      ip6_dst_alloc+0x23/0x90
[  152.976951][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  152.976951][   T10]      ip6_pol_route+0x56f/0x840
[  152.976951][   T10]      fib6_rule_lookup+0x456/0x630
[  152.976951][   T10]      ip6_route_input+0x59c/0xa50
[  152.976951][   T10]      ipv6_rcv+0x397/0x810
[  152.976951][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  152.976951][   T10]      process_backlog+0x101/0x620
[  152.976951][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  152.976951][   T10]      net_rx_action+0x495/0xbe0
[  152.976951][   T10]      __do_softirq+0x1b5/0x7f6
[  152.976951][   T10] 
[  152.978671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.978671][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  152.978671][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  152.978671][   T10]      fib6_nh_init+0xa22/0x1580
[  152.978671][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.978671][   T10]      ip6_route_add+0x1c/0x140
[  152.978671][   T10]      inet6_rtm_newroute+0x104/0x110
[  152.978671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.978671][   T10]      netlink_rcv_skb+0x130/0x360
[  152.978671][   T10]      netlink_unicast+0x449/0x710
[  152.978671][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.978671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.978671][   T10]      ___sys_sendmsg+0xee/0x170
[  152.978671][   T10]      __sys_sendmsg+0xcd/0x170
[  152.978671][   T10]      do_syscall_64+0xc6/0x1e0
[  152.978671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  152.978671][   T10] 
[  152.980609][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.980609][   T10]      netdev_get_by_index+0x5e/0x80
[  152.980609][   T10]      fib6_nh_init+0x3d8/0x1580
[  152.980609][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.980609][   T10]      addrconf_f6i_alloc+0x265/0x560
[  152.980609][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  152.980609][   T10]      addrconf_join_anycast+0x1c0/0x220
[  152.980609][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  152.980609][   T10]      addrconf_dad_completed+0x12b/0xe20
[  152.980609][   T10]      addrconf_dad_begin+0x310/0x670
[  152.980609][   T10]      addrconf_dad_work+0x10b/0xab0
[  152.980609][   T10]      process_one_work+0x84d/0x18a0
[  152.980609][   T10]      worker_thread+0x587/0xd30
[  152.980609][   T10]      kthread+0x28a/0x350
[  152.980609][   T10]      ret_from_fork+0x31/0x70
[  152.980609][   T10]      ret_from_fork_asm+0x1a/0x30
[  152.980609][   T10] 
[  152.982576][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.982576][   T10]      netdev_get_by_index+0x5e/0x80
[  152.982576][   T10]      fib6_nh_init+0x3d8/0x1580
[  152.982576][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.982576][   T10]      ip6_route_add+0x1c/0x140
[  152.982576][   T10]      addrconf_prefix_route+0x2a6/0x430
[  152.982576][   T10]      inet6_addr_add+0x4f8/0xa40
[  152.982576][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  152.982576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.982576][   T10]      netlink_rcv_skb+0x130/0x360
[  152.982576][   T10]      netlink_unicast+0x449/0x710
[  152.982576][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.982576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.982576][   T10]      ___sys_sendmsg+0xee/0x170
[  152.982576][   T10]      __sys_sendmsg+0xcd/0x170
[  152.982576][   T10]      do_syscall_64+0xc6/0x1e0
[  152.982576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  152.982576][   T10] 
[  152.984629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.984629][   T10]      netdev_get_by_index+0x5e/0x80
[  152.984629][   T10]      fib6_nh_init+0x3d8/0x1580
[  152.984629][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.984629][   T10]      addrconf_f6i_alloc+0x315/0x560
[  152.984629][   T10]      ipv6_add_addr+0x411/0x2000
[  152.984629][   T10]      inet6_addr_add+0x30e/0xa40
[  152.984629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  152.984629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.984629][   T10]      netlink_rcv_skb+0x130/0x360
[  152.984629][   T10]      netlink_unicast+0x449/0x710
[  152.984629][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.984629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.984629][   T10]      ___sys_sendmsg+0xee/0x170
[  152.984629][   T10]      __sys_sendmsg+0xcd/0x170
[  152.984629][   T10]      do_syscall_64+0xc6/0x1e0
[  152.984629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  152.984629][   T10] 
[  152.986673][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.986673][   T10]      netdev_get_by_index+0x5e/0x80
[  152.986673][   T10]      fib6_nh_init+0x3d8/0x1580
[  152.986673][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.986673][   T10]      ip6_route_add+0x1c/0x140
[  152.986673][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  152.986673][   T10]      addrconf_add_dev+0xe2/0x170
[  152.986673][   T10]      inet6_addr_add+0x12f/0xa40
[  152.986673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  152.986673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.986673][   T10]      netlink_rcv_skb+0x130/0x360
[  152.986673][   T10]      netlink_unicast+0x449/0x710
[  152.986673][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.986673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.986673][   T10]      ___sys_sendmsg+0xee/0x170
[  152.986673][   T10]      __sys_sendmsg+0xcd/0x170
[  152.986673][   T10]      do_syscall_64+0xc6/0x1e0
[  152.986673][   T10] 
[  152.988709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.988709][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  152.988709][   T10]      ipv6_find_idev+0x102/0x170
[  152.988709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  152.988709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.988709][   T10]      netlink_rcv_skb+0x130/0x360
[  152.988709][   T10]      netlink_unicast+0x449/0x710
[  152.988709][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.988709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.988709][   T10]      ___sys_sendmsg+0xee/0x170
[  152.988709][   T10]      __sys_sendmsg+0xcd/0x170
[  152.988709][   T10]      do_syscall_64+0xc6/0x1e0
[  152.988709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  152.988709][   T10] 
[  152.990286][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  152.990286][   T10]      neigh_parms_alloc+0x1e5/0x510
[  152.990286][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  152.990286][   T10]      ipv6_find_idev+0x102/0x170
[  152.990286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  152.990286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.990286][   T10]      netlink_rcv_skb+0x130/0x360
[  152.990286][   T10]      netlink_unicast+0x449/0x710
[  152.990286][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.990286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.990286][   T10]      ___sys_sendmsg+0xee/0x170
[  152.990286][   T10]      __sys_sendmsg+0xcd/0x170
[  152.990286][   T10]      do_syscall_64+0xc6/0x1e0
[  152.990286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  152.990286][   T10] 
[  152.992099][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  152.992361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  152.992361][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  152.992361][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  152.992361][   T10]      fib6_nh_init+0xa22/0x1580
[  152.992361][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.992361][   T10]      ip6_route_add+0x1c/0x140
[  152.992361][   T10]      inet6_rtm_newroute+0x104/0x110
[  152.992361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.992361][   T10]      netlink_rcv_skb+0x130/0x360
[  152.992361][   T10]      netlink_unicast+0x449/0x710
[  152.992361][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.992361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.992361][   T10]      ___sys_sendmsg+0xee/0x170
[  152.992361][   T10]      __sys_sendmsg+0xcd/0x170
[  152.992361][   T10]      do_syscall_64+0xc6/0x1e0
[  152.992361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  152.992361][   T10] 
[  152.994292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  152.994292][   T10]      dst_init+0x84/0x4a0
[  152.994292][   T10]      dst_alloc+0x97/0x150
[  152.994292][   T10]      ip6_dst_alloc+0x23/0x90
[  152.994292][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  152.994292][   T10]      ip6_pol_route+0x56f/0x840
[  152.994292][   T10]      fib6_rule_lookup+0x456/0x630
[  152.994292][   T10]      ip6_route_input+0x59c/0xa50
[  152.994292][   T10]      ipv6_rcv+0x397/0x810
[  152.994292][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  152.994292][   T10]      process_backlog+0x101/0x620
[  152.994292][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  152.994292][   T10]      net_rx_action+0x495/0xbe0
[  152.994292][   T10]      __do_softirq+0x1b5/0x7f6
[  152.994292][   T10] 
[  152.995998][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  152.995998][   T10]      netdev_get_by_index+0x5e/0x80
[  152.995998][   T10]      fib6_nh_init+0x3d8/0x1580
[  152.995998][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.995998][   T10]      addrconf_f6i_alloc+0x265/0x560
[  152.995998][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  152.995998][   T10]      addrconf_join_anycast+0x1c0/0x220
[  152.995998][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  152.995998][   T10]      addrconf_dad_completed+0x12b/0xe20
[  152.995998][   T10]      addrconf_dad_begin+0x310/0x670
[  152.995998][   T10]      addrconf_dad_work+0x10b/0xab0
[  152.995998][   T10]      process_one_work+0x84d/0x18a0
[  152.995998][   T10]      worker_thread+0x587/0xd30
[  152.995998][   T10]      kthread+0x28a/0x350
[  152.995998][   T10]      ret_from_fork+0x31/0x70
[  152.995998][   T10]      ret_from_fork_asm+0x1a/0x30
[  152.995998][   T10] 
[  152.997957][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  152.997957][   T10]      netdev_get_by_index+0x5e/0x80
[  152.997957][   T10]      fib6_nh_init+0x3d8/0x1580
[  152.997957][   T10]      ip6_route_info_create+0xf18/0x17d0
[  152.997957][   T10]      ip6_route_add+0x1c/0x140
[  152.997957][   T10]      addrconf_prefix_route+0x2a6/0x430
[  152.997957][   T10]      inet6_addr_add+0x4f8/0xa40
[  152.997957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  152.997957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  152.997957][   T10]      netlink_rcv_skb+0x130/0x360
[  152.997957][   T10]      netlink_unicast+0x449/0x710
[  152.997957][   T10]      netlink_sendmsg+0x723/0xbe0
[  152.997957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  152.997957][   T10]      ___sys_sendmsg+0xee/0x170
[  152.997957][   T10]      __sys_sendmsg+0xcd/0x170
[  152.997957][   T10]      do_syscall_64+0xc6/0x1e0
[  152.997957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  152.997957][   T10] 
[  153.000012][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  153.000012][   T10]      netdev_get_by_index+0x5e/0x80
[  153.000012][   T10]      fib6_nh_init+0x3d8/0x1580
[  153.000012][   T10]      ip6_route_info_create+0xf18/0x17d0
[  153.000012][   T10]      addrconf_f6i_alloc+0x315/0x560
[  153.000012][   T10]      ipv6_add_addr+0x411/0x2000
[  153.000012][   T10]      inet6_addr_add+0x30e/0xa40
[  153.000012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  153.000012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.000012][   T10]      netlink_rcv_skb+0x130/0x360
[  153.000012][   T10]      netlink_unicast+0x449/0x710
[  153.000012][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.000012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.000012][   T10]      ___sys_sendmsg+0xee/0x170
[  153.000012][   T10]      __sys_sendmsg+0xcd/0x170
[  153.000012][   T10]      do_syscall_64+0xc6/0x1e0
[  153.000012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  153.000012][   T10] 
[  153.002102][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  153.002102][   T10]      netdev_get_by_index+0x5e/0x80
[  153.002102][   T10]      fib6_nh_init+0x3d8/0x1580
[  153.002102][   T10]      ip6_route_info_create+0xf18/0x17d0
[  153.002102][   T10]      ip6_route_add+0x1c/0x140
[  153.002102][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  153.002102][   T10]      addrconf_add_dev+0xe2/0x170
[  153.002102][   T10]      inet6_addr_add+0x12f/0xa40
[  153.002102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  153.002102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.002102][   T10]      netlink_rcv_skb+0x130/0x360
[  153.002102][   T10]      netlink_unicast+0x449/0x710
[  153.002102][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.002102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.002102][   T10]      ___sys_sendmsg+0xee/0x170
[  153.002102][   T10]      __sys_sendmsg+0xcd/0x170
[  153.002102][   T10]      do_syscall_64+0xc6/0x1e0
[  153.002102][   T10] 
[  153.004365][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  153.004365][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  153.004365][   T10]      ipv6_find_idev+0x102/0x170
[  153.004365][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  153.004365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.004365][   T10]      netlink_rcv_skb+0x130/0x360
[  153.004365][   T10]      netlink_unicast+0x449/0x710
[  153.004365][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.004365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.004365][   T10]      ___sys_sendmsg+0xee/0x170
[  153.004365][   T10]      __sys_sendmsg+0xcd/0x170
[  153.004365][   T10]      do_syscall_64+0xc6/0x1e0
[  153.004365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  153.004365][   T10] 
[  153.006164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  153.006164][   T10]      neigh_parms_alloc+0x1e5/0x510
[  153.006164][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  153.006164][   T10]      ipv6_find_idev+0x102/0x170
[  153.006164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  153.006164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.006164][   T10]      netlink_rcv_skb+0x130/0x360
[  153.006164][   T10]      netlink_unicast+0x449/0x710
[  153.006164][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.006164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.006164][   T10]      ___sys_sendmsg+0xee/0x170
[  153.006164][   T10]      __sys_sendmsg+0xcd/0x170
[  153.006164][   T10]      do_syscall_64+0xc6/0x1e0
[  153.006164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  153.006164][   T10] 
[  153.008096][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  153.008354][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  153.008354][   T10]      netdev_get_by_index+0x5e/0x80
[  153.008354][   T10]      fib6_nh_init+0x3d8/0x1580
[  153.008354][   T10]      ip6_route_info_create+0xf18/0x17d0
[  153.008354][   T10]      ip6_route_add+0x1c/0x140
[  153.008354][   T10]      addrconf_prefix_route+0x2a6/0x430
[  153.008354][   T10]      inet6_addr_add+0x4f8/0xa40
[  153.008354][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  153.008354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.008354][   T10]      netlink_rcv_skb+0x130/0x360
[  153.008354][   T10]      netlink_unicast+0x449/0x710
[  153.008354][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.008354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.008354][   T10]      ___sys_sendmsg+0xee/0x170
[  153.008354][   T10]      __sys_sendmsg+0xcd/0x170
[  153.008354][   T10]      do_syscall_64+0xc6/0x1e0
[  153.008354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  153.008354][   T10] 
[  153.010508][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  153.010508][   T10]      netdev_get_by_index+0x5e/0x80
[  153.010508][   T10]      fib6_nh_init+0x3d8/0x1580
[  153.010508][   T10]      ip6_route_info_create+0xf18/0x17d0
[  153.010508][   T10]      addrconf_f6i_alloc+0x315/0x560
[  153.010508][   T10]      ipv6_add_addr+0x411/0x2000
[  153.010508][   T10]      inet6_addr_add+0x30e/0xa40
[  153.010508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  153.010508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.010508][   T10]      netlink_rcv_skb+0x130/0x360
[  153.010508][   T10]      netlink_unicast+0x449/0x710
[  153.010508][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.010508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.010508][   T10]      ___sys_sendmsg+0xee/0x170
[  153.010508][   T10]      __sys_sendmsg+0xcd/0x170
[  153.010508][   T10]      do_syscall_64+0xc6/0x1e0
[  153.010508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  153.010508][   T10] 
[  153.012624][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  153.012624][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  153.012624][   T10]      ipv6_find_idev+0x102/0x170
[  153.012624][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  153.012624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.012624][   T10]      netlink_rcv_skb+0x130/0x360
[  153.012624][   T10]      netlink_unicast+0x449/0x710
[  153.012624][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.012624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.012624][   T10]      ___sys_sendmsg+0xee/0x170
[  153.012624][   T10]      __sys_sendmsg+0xcd/0x170
[  153.012624][   T10]      do_syscall_64+0xc6/0x1e0
[  153.012624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  153.012624][   T10] 
[  153.014213][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  153.014213][   T10]      neigh_parms_alloc+0x1e5/0x510
[  153.014213][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  153.014213][   T10]      ipv6_find_idev+0x102/0x170
[  153.014213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  153.014213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  153.014213][   T10]      netlink_rcv_skb+0x130/0x360
[  153.014213][   T10]      netlink_unicast+0x449/0x710
[  153.014213][   T10]      netlink_sendmsg+0x723/0xbe0
[  153.014213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  153.014213][   T10]      ___sys_sendmsg+0xee/0x170
[  153.014213][   T10]      __sys_sendmsg+0xcd/0x170
[  153.014213][   T10]      do_syscall_64+0xc6/0x1e0
[  153.014213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  153.014213][   T10] 
[  156.729953][ T1167] veth0: renamed from veth1
[  160.532697][ T1194] br0: port 1(vx0) entered blocking state
[  160.532900][ T1194] br0: port 1(vx0) entered disabled state
[  160.533079][ T1194] vx0: entered allmulticast mode
[  160.534262][ T1194] vx0: entered promiscuous mode
[  160.536348][ T1194] br0: port 1(vx0) entered blocking state
[  160.536543][ T1194] br0: port 1(vx0) entered forwarding state
[  163.200768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  163.201488][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.201488][   T10]      dst_init+0x84/0x4a0
[  163.201488][   T10]      dst_alloc+0x97/0x150
[  163.201488][   T10]      ip6_dst_alloc+0x23/0x90
[  163.201488][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  163.201488][   T10]      ip6_pol_route+0x56f/0x840
[  163.201488][   T10]      fib6_rule_lookup+0x456/0x630
[  163.201488][   T10]      ip6_route_input+0x59c/0xa50
[  163.201488][   T10]      ipv6_rcv+0x397/0x810
[  163.201488][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  163.201488][   T10]      process_backlog+0x101/0x620
[  163.201488][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  163.201488][   T10]      net_rx_action+0x495/0xbe0
[  163.201488][   T10]      __do_softirq+0x1b5/0x7f6
[  163.201488][   T10] 
[  163.203358][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.203358][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  163.203358][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  163.203358][   T10]      fib6_nh_init+0xa22/0x1580
[  163.203358][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.203358][   T10]      ip6_route_add+0x1c/0x140
[  163.203358][   T10]      inet6_rtm_newroute+0x104/0x110
[  163.203358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.203358][   T10]      netlink_rcv_skb+0x130/0x360
[  163.203358][   T10]      netlink_unicast+0x449/0x710
[  163.203358][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.203358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.203358][   T10]      ___sys_sendmsg+0xee/0x170
[  163.203358][   T10]      __sys_sendmsg+0xcd/0x170
[  163.203358][   T10]      do_syscall_64+0xc6/0x1e0
[  163.203358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.203358][   T10] 
[  163.205564][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.205564][   T10]      netdev_get_by_index+0x5e/0x80
[  163.205564][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.205564][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.205564][   T10]      addrconf_f6i_alloc+0x265/0x560
[  163.205564][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  163.205564][   T10]      addrconf_join_anycast+0x1c0/0x220
[  163.205564][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  163.205564][   T10]      addrconf_dad_completed+0x12b/0xe20
[  163.205564][   T10]      addrconf_dad_begin+0x310/0x670
[  163.205564][   T10]      addrconf_dad_work+0x10b/0xab0
[  163.205564][   T10]      process_one_work+0x84d/0x18a0
[  163.205564][   T10]      worker_thread+0x587/0xd30
[  163.205564][   T10]      kthread+0x28a/0x350
[  163.205564][   T10]      ret_from_fork+0x31/0x70
[  163.205564][   T10]      ret_from_fork_asm+0x1a/0x30
[  163.205564][   T10] 
[  163.207781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.207781][   T10]      netdev_get_by_index+0x5e/0x80
[  163.207781][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.207781][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.207781][   T10]      ip6_route_add+0x1c/0x140
[  163.207781][   T10]      addrconf_prefix_route+0x2a6/0x430
[  163.207781][   T10]      inet6_addr_add+0x4f8/0xa40
[  163.207781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.207781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.207781][   T10]      netlink_rcv_skb+0x130/0x360
[  163.207781][   T10]      netlink_unicast+0x449/0x710
[  163.207781][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.207781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.207781][   T10]      ___sys_sendmsg+0xee/0x170
[  163.207781][   T10]      __sys_sendmsg+0xcd/0x170
[  163.207781][   T10]      do_syscall_64+0xc6/0x1e0
[  163.207781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.207781][   T10] 
[  163.210016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.210016][   T10]      netdev_get_by_index+0x5e/0x80
[  163.210016][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.210016][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.210016][   T10]      addrconf_f6i_alloc+0x315/0x560
[  163.210016][   T10]      ipv6_add_addr+0x411/0x2000
[  163.210016][   T10]      inet6_addr_add+0x30e/0xa40
[  163.210016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.210016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.210016][   T10]      netlink_rcv_skb+0x130/0x360
[  163.210016][   T10]      netlink_unicast+0x449/0x710
[  163.210016][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.210016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.210016][   T10]      ___sys_sendmsg+0xee/0x170
[  163.210016][   T10]      __sys_sendmsg+0xcd/0x170
[  163.210016][   T10]      do_syscall_64+0xc6/0x1e0
[  163.210016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.210016][   T10] 
[  163.212220][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.212220][   T10]      netdev_get_by_index+0x5e/0x80
[  163.212220][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.212220][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.212220][   T10]      ip6_route_add+0x1c/0x140
[  163.212220][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  163.212220][   T10]      addrconf_add_dev+0xe2/0x170
[  163.212220][   T10]      inet6_addr_add+0x12f/0xa40
[  163.212220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.212220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.212220][   T10]      netlink_rcv_skb+0x130/0x360
[  163.212220][   T10]      netlink_unicast+0x449/0x710
[  163.212220][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.212220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.212220][   T10]      ___sys_sendmsg+0xee/0x170
[  163.212220][   T10]      __sys_sendmsg+0xcd/0x170
[  163.212220][   T10]      do_syscall_64+0xc6/0x1e0
[  163.212220][   T10] 
[  163.214425][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.214425][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  163.214425][   T10]      ipv6_find_idev+0x102/0x170
[  163.214425][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  163.214425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.214425][   T10]      netlink_rcv_skb+0x130/0x360
[  163.214425][   T10]      netlink_unicast+0x449/0x710
[  163.214425][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.214425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.214425][   T10]      ___sys_sendmsg+0xee/0x170
[  163.214425][   T10]      __sys_sendmsg+0xcd/0x170
[  163.214425][   T10]      do_syscall_64+0xc6/0x1e0
[  163.214425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.214425][   T10] 
[  163.216243][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  163.216243][   T10]      neigh_parms_alloc+0x1e5/0x510
[  163.216243][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  163.216243][   T10]      ipv6_find_idev+0x102/0x170
[  163.216243][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  163.216243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.216243][   T10]      netlink_rcv_skb+0x130/0x360
[  163.216243][   T10]      netlink_unicast+0x449/0x710
[  163.216243][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.216243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.216243][   T10]      ___sys_sendmsg+0xee/0x170
[  163.216243][   T10]      __sys_sendmsg+0xcd/0x170
[  163.216243][   T10]      do_syscall_64+0xc6/0x1e0
[  163.216243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.216243][   T10] 
[  163.218231][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  163.218489][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.218489][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  163.218489][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  163.218489][   T10]      fib6_nh_init+0xa22/0x1580
[  163.218489][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.218489][   T10]      ip6_route_add+0x1c/0x140
[  163.218489][   T10]      inet6_rtm_newroute+0x104/0x110
[  163.218489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.218489][   T10]      netlink_rcv_skb+0x130/0x360
[  163.218489][   T10]      netlink_unicast+0x449/0x710
[  163.218489][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.218489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.218489][   T10]      ___sys_sendmsg+0xee/0x170
[  163.218489][   T10]      __sys_sendmsg+0xcd/0x170
[  163.218489][   T10]      do_syscall_64+0xc6/0x1e0
[  163.218489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.218489][   T10] 
[  163.220895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.220895][   T10]      dst_init+0x84/0x4a0
[  163.220895][   T10]      dst_alloc+0x97/0x150
[  163.220895][   T10]      ip6_dst_alloc+0x23/0x90
[  163.220895][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  163.220895][   T10]      ip6_pol_route+0x56f/0x840
[  163.220895][   T10]      fib6_rule_lookup+0x456/0x630
[  163.220895][   T10]      ip6_route_input+0x59c/0xa50
[  163.220895][   T10]      ipv6_rcv+0x397/0x810
[  163.220895][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  163.220895][   T10]      process_backlog+0x101/0x620
[  163.220895][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  163.220895][   T10]      net_rx_action+0x495/0xbe0
[  163.220895][   T10]      __do_softirq+0x1b5/0x7f6
[  163.220895][   T10] 
[  163.222900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.222900][   T10]      netdev_get_by_index+0x5e/0x80
[  163.222900][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.222900][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.222900][   T10]      addrconf_f6i_alloc+0x265/0x560
[  163.222900][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  163.222900][   T10]      addrconf_join_anycast+0x1c0/0x220
[  163.222900][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  163.222900][   T10]      addrconf_dad_completed+0x12b/0xe20
[  163.222900][   T10]      addrconf_dad_begin+0x310/0x670
[  163.222900][   T10]      addrconf_dad_work+0x10b/0xab0
[  163.222900][   T10]      process_one_work+0x84d/0x18a0
[  163.222900][   T10]      worker_thread+0x587/0xd30
[  163.222900][   T10]      kthread+0x28a/0x350
[  163.222900][   T10]      ret_from_fork+0x31/0x70
[  163.222900][   T10]      ret_from_fork_asm+0x1a/0x30
[  163.222900][   T10] 
[  163.225519][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.225519][   T10]      netdev_get_by_index+0x5e/0x80
[  163.225519][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.225519][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.225519][   T10]      ip6_route_add+0x1c/0x140
[  163.225519][   T10]      addrconf_prefix_route+0x2a6/0x430
[  163.225519][   T10]      inet6_addr_add+0x4f8/0xa40
[  163.225519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.225519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.225519][   T10]      netlink_rcv_skb+0x130/0x360
[  163.225519][   T10]      netlink_unicast+0x449/0x710
[  163.225519][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.225519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.225519][   T10]      ___sys_sendmsg+0xee/0x170
[  163.225519][   T10]      __sys_sendmsg+0xcd/0x170
[  163.225519][   T10]      do_syscall_64+0xc6/0x1e0
[  163.225519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.225519][   T10] 
[  163.227871][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.227871][   T10]      netdev_get_by_index+0x5e/0x80
[  163.227871][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.227871][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.227871][   T10]      addrconf_f6i_alloc+0x315/0x560
[  163.227871][   T10]      ipv6_add_addr+0x411/0x2000
[  163.227871][   T10]      inet6_addr_add+0x30e/0xa40
[  163.227871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.227871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.227871][   T10]      netlink_rcv_skb+0x130/0x360
[  163.227871][   T10]      netlink_unicast+0x449/0x710
[  163.227871][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.227871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.227871][   T10]      ___sys_sendmsg+0xee/0x170
[  163.227871][   T10]      __sys_sendmsg+0xcd/0x170
[  163.227871][   T10]      do_syscall_64+0xc6/0x1e0
[  163.227871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.227871][   T10] 
[  163.230245][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.230245][   T10]      netdev_get_by_index+0x5e/0x80
[  163.230245][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.230245][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.230245][   T10]      ip6_route_add+0x1c/0x140
[  163.230245][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  163.230245][   T10]      addrconf_add_dev+0xe2/0x170
[  163.230245][   T10]      inet6_addr_add+0x12f/0xa40
[  163.230245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.230245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.230245][   T10]      netlink_rcv_skb+0x130/0x360
[  163.230245][   T10]      netlink_unicast+0x449/0x710
[  163.230245][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.230245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.230245][   T10]      ___sys_sendmsg+0xee/0x170
[  163.230245][   T10]      __sys_sendmsg+0xcd/0x170
[  163.230245][   T10]      do_syscall_64+0xc6/0x1e0
[  163.230245][   T10] 
[  163.232580][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.232580][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  163.232580][   T10]      ipv6_find_idev+0x102/0x170
[  163.232580][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  163.232580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.232580][   T10]      netlink_rcv_skb+0x130/0x360
[  163.232580][   T10]      netlink_unicast+0x449/0x710
[  163.232580][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.232580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.232580][   T10]      ___sys_sendmsg+0xee/0x170
[  163.232580][   T10]      __sys_sendmsg+0xcd/0x170
[  163.232580][   T10]      do_syscall_64+0xc6/0x1e0
[  163.232580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.232580][   T10] 
[  163.234248][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  163.234248][   T10]      neigh_parms_alloc+0x1e5/0x510
[  163.234248][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  163.234248][   T10]      ipv6_find_idev+0x102/0x170
[  163.234248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  163.234248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.234248][   T10]      netlink_rcv_skb+0x130/0x360
[  163.234248][   T10]      netlink_unicast+0x449/0x710
[  163.234248][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.234248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.234248][   T10]      ___sys_sendmsg+0xee/0x170
[  163.234248][   T10]      __sys_sendmsg+0xcd/0x170
[  163.234248][   T10]      do_syscall_64+0xc6/0x1e0
[  163.234248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.234248][   T10] 
[  163.236147][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  163.236401][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  163.236401][   T10]      netdev_get_by_index+0x5e/0x80
[  163.236401][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.236401][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.236401][   T10]      ip6_route_add+0x1c/0x140
[  163.236401][   T10]      addrconf_prefix_route+0x2a6/0x430
[  163.236401][   T10]      inet6_addr_add+0x4f8/0xa40
[  163.236401][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.236401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.236401][   T10]      netlink_rcv_skb+0x130/0x360
[  163.236401][   T10]      netlink_unicast+0x449/0x710
[  163.236401][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.236401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.236401][   T10]      ___sys_sendmsg+0xee/0x170
[  163.236401][   T10]      __sys_sendmsg+0xcd/0x170
[  163.236401][   T10]      do_syscall_64+0xc6/0x1e0
[  163.236401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.236401][   T10] 
[  163.238643][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  163.238643][   T10]      netdev_get_by_index+0x5e/0x80
[  163.238643][   T10]      fib6_nh_init+0x3d8/0x1580
[  163.238643][   T10]      ip6_route_info_create+0xf18/0x17d0
[  163.238643][   T10]      addrconf_f6i_alloc+0x315/0x560
[  163.238643][   T10]      ipv6_add_addr+0x411/0x2000
[  163.238643][   T10]      inet6_addr_add+0x30e/0xa40
[  163.238643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  163.238643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.238643][   T10]      netlink_rcv_skb+0x130/0x360
[  163.238643][   T10]      netlink_unicast+0x449/0x710
[  163.238643][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.238643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.238643][   T10]      ___sys_sendmsg+0xee/0x170
[  163.238643][   T10]      __sys_sendmsg+0xcd/0x170
[  163.238643][   T10]      do_syscall_64+0xc6/0x1e0
[  163.238643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.238643][   T10] 
[  163.240833][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  163.240833][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  163.240833][   T10]      ipv6_find_idev+0x102/0x170
[  163.240833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  163.240833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.240833][   T10]      netlink_rcv_skb+0x130/0x360
[  163.240833][   T10]      netlink_unicast+0x449/0x710
[  163.240833][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.240833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.240833][   T10]      ___sys_sendmsg+0xee/0x170
[  163.240833][   T10]      __sys_sendmsg+0xcd/0x170
[  163.240833][   T10]      do_syscall_64+0xc6/0x1e0
[  163.240833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.240833][   T10] 
[  163.242526][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  163.242526][   T10]      neigh_parms_alloc+0x1e5/0x510
[  163.242526][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  163.242526][   T10]      ipv6_find_idev+0x102/0x170
[  163.242526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  163.242526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  163.242526][   T10]      netlink_rcv_skb+0x130/0x360
[  163.242526][   T10]      netlink_unicast+0x449/0x710
[  163.242526][   T10]      netlink_sendmsg+0x723/0xbe0
[  163.242526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  163.242526][   T10]      ___sys_sendmsg+0xee/0x170
[  163.242526][   T10]      __sys_sendmsg+0xcd/0x170
[  163.242526][   T10]      do_syscall_64+0xc6/0x1e0
[  163.242526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  163.242526][   T10] 
[  165.862613][ T1224] br0: port 1(vx0) entered blocking state
[  165.862865][ T1224] br0: port 1(vx0) entered disabled state
[  165.863042][ T1224] vx0: entered allmulticast mode
[  165.864230][ T1224] vx0: entered promiscuous mode
[  165.867193][ T1224] br0: port 1(vx0) entered blocking state
[  165.867365][ T1224] br0: port 1(vx0) entered forwarding state
[  173.393733][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  173.394068][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.394068][   T10]      dst_init+0x84/0x4a0
[  173.394068][   T10]      dst_alloc+0x97/0x150
[  173.394068][   T10]      ip6_dst_alloc+0x23/0x90
[  173.394068][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  173.394068][   T10]      ip6_pol_route+0x56f/0x840
[  173.394068][   T10]      fib6_rule_lookup+0x456/0x630
[  173.394068][   T10]      ip6_route_input+0x59c/0xa50
[  173.394068][   T10]      ipv6_rcv+0x397/0x810
[  173.394068][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  173.394068][   T10]      process_backlog+0x101/0x620
[  173.394068][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  173.394068][   T10]      net_rx_action+0x495/0xbe0
[  173.394068][   T10]      __do_softirq+0x1b5/0x7f6
[  173.394068][   T10] 
[  173.395945][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.395945][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  173.395945][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  173.395945][   T10]      fib6_nh_init+0xa22/0x1580
[  173.395945][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.395945][   T10]      ip6_route_add+0x1c/0x140
[  173.395945][   T10]      inet6_rtm_newroute+0x104/0x110
[  173.395945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.395945][   T10]      netlink_rcv_skb+0x130/0x360
[  173.395945][   T10]      netlink_unicast+0x449/0x710
[  173.395945][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.395945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.395945][   T10]      ___sys_sendmsg+0xee/0x170
[  173.395945][   T10]      __sys_sendmsg+0xcd/0x170
[  173.395945][   T10]      do_syscall_64+0xc6/0x1e0
[  173.395945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.395945][   T10] 
[  173.398127][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.398127][   T10]      netdev_get_by_index+0x5e/0x80
[  173.398127][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.398127][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.398127][   T10]      addrconf_f6i_alloc+0x265/0x560
[  173.398127][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  173.398127][   T10]      addrconf_join_anycast+0x1c0/0x220
[  173.398127][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  173.398127][   T10]      addrconf_dad_completed+0x12b/0xe20
[  173.398127][   T10]      addrconf_dad_begin+0x310/0x670
[  173.398127][   T10]      addrconf_dad_work+0x10b/0xab0
[  173.398127][   T10]      process_one_work+0x84d/0x18a0
[  173.398127][   T10]      worker_thread+0x587/0xd30
[  173.398127][   T10]      kthread+0x28a/0x350
[  173.398127][   T10]      ret_from_fork+0x31/0x70
[  173.398127][   T10]      ret_from_fork_asm+0x1a/0x30
[  173.398127][   T10] 
[  173.400288][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.400288][   T10]      netdev_get_by_index+0x5e/0x80
[  173.400288][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.400288][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.400288][   T10]      ip6_route_add+0x1c/0x140
[  173.400288][   T10]      addrconf_prefix_route+0x2a6/0x430
[  173.400288][   T10]      inet6_addr_add+0x4f8/0xa40
[  173.400288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.400288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.400288][   T10]      netlink_rcv_skb+0x130/0x360
[  173.400288][   T10]      netlink_unicast+0x449/0x710
[  173.400288][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.400288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.400288][   T10]      ___sys_sendmsg+0xee/0x170
[  173.400288][   T10]      __sys_sendmsg+0xcd/0x170
[  173.400288][   T10]      do_syscall_64+0xc6/0x1e0
[  173.400288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.400288][   T10] 
[  173.402527][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.402527][   T10]      netdev_get_by_index+0x5e/0x80
[  173.402527][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.402527][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.402527][   T10]      addrconf_f6i_alloc+0x315/0x560
[  173.402527][   T10]      ipv6_add_addr+0x411/0x2000
[  173.402527][   T10]      inet6_addr_add+0x30e/0xa40
[  173.402527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.402527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.402527][   T10]      netlink_rcv_skb+0x130/0x360
[  173.402527][   T10]      netlink_unicast+0x449/0x710
[  173.402527][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.402527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.402527][   T10]      ___sys_sendmsg+0xee/0x170
[  173.402527][   T10]      __sys_sendmsg+0xcd/0x170
[  173.402527][   T10]      do_syscall_64+0xc6/0x1e0
[  173.402527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.402527][   T10] 
[  173.404800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.404800][   T10]      netdev_get_by_index+0x5e/0x80
[  173.404800][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.404800][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.404800][   T10]      ip6_route_add+0x1c/0x140
[  173.404800][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  173.404800][   T10]      addrconf_add_dev+0xe2/0x170
[  173.404800][   T10]      inet6_addr_add+0x12f/0xa40
[  173.404800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.404800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.404800][   T10]      netlink_rcv_skb+0x130/0x360
[  173.404800][   T10]      netlink_unicast+0x449/0x710
[  173.404800][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.404800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.404800][   T10]      ___sys_sendmsg+0xee/0x170
[  173.404800][   T10]      __sys_sendmsg+0xcd/0x170
[  173.404800][   T10]      do_syscall_64+0xc6/0x1e0
[  173.404800][   T10] 
[  173.407081][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.407081][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  173.407081][   T10]      ipv6_find_idev+0x102/0x170
[  173.407081][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  173.407081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.407081][   T10]      netlink_rcv_skb+0x130/0x360
[  173.407081][   T10]      netlink_unicast+0x449/0x710
[  173.407081][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.407081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.407081][   T10]      ___sys_sendmsg+0xee/0x170
[  173.407081][   T10]      __sys_sendmsg+0xcd/0x170
[  173.407081][   T10]      do_syscall_64+0xc6/0x1e0
[  173.407081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.407081][   T10] 
[  173.408941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  173.408941][   T10]      neigh_parms_alloc+0x1e5/0x510
[  173.408941][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  173.408941][   T10]      ipv6_find_idev+0x102/0x170
[  173.408941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  173.408941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.408941][   T10]      netlink_rcv_skb+0x130/0x360
[  173.408941][   T10]      netlink_unicast+0x449/0x710
[  173.408941][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.408941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.408941][   T10]      ___sys_sendmsg+0xee/0x170
[  173.408941][   T10]      __sys_sendmsg+0xcd/0x170
[  173.408941][   T10]      do_syscall_64+0xc6/0x1e0
[  173.408941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.408941][   T10] 
[  173.411147][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  173.411496][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.411496][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  173.411496][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  173.411496][   T10]      fib6_nh_init+0xa22/0x1580
[  173.411496][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.411496][   T10]      ip6_route_add+0x1c/0x140
[  173.411496][   T10]      inet6_rtm_newroute+0x104/0x110
[  173.411496][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.411496][   T10]      netlink_rcv_skb+0x130/0x360
[  173.411496][   T10]      netlink_unicast+0x449/0x710
[  173.411496][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.411496][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.411496][   T10]      ___sys_sendmsg+0xee/0x170
[  173.411496][   T10]      __sys_sendmsg+0xcd/0x170
[  173.411496][   T10]      do_syscall_64+0xc6/0x1e0
[  173.411496][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.411496][   T10] 
[  173.413811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.413811][   T10]      dst_init+0x84/0x4a0
[  173.413811][   T10]      dst_alloc+0x97/0x150
[  173.413811][   T10]      ip6_dst_alloc+0x23/0x90
[  173.413811][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  173.413811][   T10]      ip6_pol_route+0x56f/0x840
[  173.413811][   T10]      fib6_rule_lookup+0x456/0x630
[  173.413811][   T10]      ip6_route_input+0x59c/0xa50
[  173.413811][   T10]      ipv6_rcv+0x397/0x810
[  173.413811][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  173.413811][   T10]      process_backlog+0x101/0x620
[  173.413811][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  173.413811][   T10]      net_rx_action+0x495/0xbe0
[  173.413811][   T10]      __do_softirq+0x1b5/0x7f6
[  173.413811][   T10] 
[  173.415790][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.415790][   T10]      netdev_get_by_index+0x5e/0x80
[  173.415790][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.415790][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.415790][   T10]      addrconf_f6i_alloc+0x265/0x560
[  173.415790][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  173.415790][   T10]      addrconf_join_anycast+0x1c0/0x220
[  173.415790][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  173.415790][   T10]      addrconf_dad_completed+0x12b/0xe20
[  173.415790][   T10]      addrconf_dad_begin+0x310/0x670
[  173.415790][   T10]      addrconf_dad_work+0x10b/0xab0
[  173.415790][   T10]      process_one_work+0x84d/0x18a0
[  173.415790][   T10]      worker_thread+0x587/0xd30
[  173.415790][   T10]      kthread+0x28a/0x350
[  173.415790][   T10]      ret_from_fork+0x31/0x70
[  173.415790][   T10]      ret_from_fork_asm+0x1a/0x30
[  173.415790][   T10] 
[  173.418180][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.418180][   T10]      netdev_get_by_index+0x5e/0x80
[  173.418180][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.418180][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.418180][   T10]      ip6_route_add+0x1c/0x140
[  173.418180][   T10]      addrconf_prefix_route+0x2a6/0x430
[  173.418180][   T10]      inet6_addr_add+0x4f8/0xa40
[  173.418180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.418180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.418180][   T10]      netlink_rcv_skb+0x130/0x360
[  173.418180][   T10]      netlink_unicast+0x449/0x710
[  173.418180][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.418180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.418180][   T10]      ___sys_sendmsg+0xee/0x170
[  173.418180][   T10]      __sys_sendmsg+0xcd/0x170
[  173.418180][   T10]      do_syscall_64+0xc6/0x1e0
[  173.418180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.418180][   T10] 
[  173.420525][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.420525][   T10]      netdev_get_by_index+0x5e/0x80
[  173.420525][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.420525][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.420525][   T10]      addrconf_f6i_alloc+0x315/0x560
[  173.420525][   T10]      ipv6_add_addr+0x411/0x2000
[  173.420525][   T10]      inet6_addr_add+0x30e/0xa40
[  173.420525][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.420525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.420525][   T10]      netlink_rcv_skb+0x130/0x360
[  173.420525][   T10]      netlink_unicast+0x449/0x710
[  173.420525][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.420525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.420525][   T10]      ___sys_sendmsg+0xee/0x170
[  173.420525][   T10]      __sys_sendmsg+0xcd/0x170
[  173.420525][   T10]      do_syscall_64+0xc6/0x1e0
[  173.420525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.420525][   T10] 
[  173.422942][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.422942][   T10]      netdev_get_by_index+0x5e/0x80
[  173.422942][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.422942][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.422942][   T10]      ip6_route_add+0x1c/0x140
[  173.422942][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  173.422942][   T10]      addrconf_add_dev+0xe2/0x170
[  173.422942][   T10]      inet6_addr_add+0x12f/0xa40
[  173.422942][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.422942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.422942][   T10]      netlink_rcv_skb+0x130/0x360
[  173.422942][   T10]      netlink_unicast+0x449/0x710
[  173.422942][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.422942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.422942][   T10]      ___sys_sendmsg+0xee/0x170
[  173.422942][   T10]      __sys_sendmsg+0xcd/0x170
[  173.422942][   T10]      do_syscall_64+0xc6/0x1e0
[  173.422942][   T10] 
[  173.425515][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.425515][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  173.425515][   T10]      ipv6_find_idev+0x102/0x170
[  173.425515][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  173.425515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.425515][   T10]      netlink_rcv_skb+0x130/0x360
[  173.425515][   T10]      netlink_unicast+0x449/0x710
[  173.425515][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.425515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.425515][   T10]      ___sys_sendmsg+0xee/0x170
[  173.425515][   T10]      __sys_sendmsg+0xcd/0x170
[  173.425515][   T10]      do_syscall_64+0xc6/0x1e0
[  173.425515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.425515][   T10] 
[  173.427626][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  173.427626][   T10]      neigh_parms_alloc+0x1e5/0x510
[  173.427626][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  173.427626][   T10]      ipv6_find_idev+0x102/0x170
[  173.427626][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  173.427626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.427626][   T10]      netlink_rcv_skb+0x130/0x360
[  173.427626][   T10]      netlink_unicast+0x449/0x710
[  173.427626][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.427626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.427626][   T10]      ___sys_sendmsg+0xee/0x170
[  173.427626][   T10]      __sys_sendmsg+0xcd/0x170
[  173.427626][   T10]      do_syscall_64+0xc6/0x1e0
[  173.427626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.427626][   T10] 
[  173.429799][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  173.430074][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  173.430074][   T10]      netdev_get_by_index+0x5e/0x80
[  173.430074][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.430074][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.430074][   T10]      ip6_route_add+0x1c/0x140
[  173.430074][   T10]      addrconf_prefix_route+0x2a6/0x430
[  173.430074][   T10]      inet6_addr_add+0x4f8/0xa40
[  173.430074][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.430074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.430074][   T10]      netlink_rcv_skb+0x130/0x360
[  173.430074][   T10]      netlink_unicast+0x449/0x710
[  173.430074][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.430074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.430074][   T10]      ___sys_sendmsg+0xee/0x170
[  173.430074][   T10]      __sys_sendmsg+0xcd/0x170
[  173.430074][   T10]      do_syscall_64+0xc6/0x1e0
[  173.430074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.430074][   T10] 
[  173.432675][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  173.432675][   T10]      netdev_get_by_index+0x5e/0x80
[  173.432675][   T10]      fib6_nh_init+0x3d8/0x1580
[  173.432675][   T10]      ip6_route_info_create+0xf18/0x17d0
[  173.432675][   T10]      addrconf_f6i_alloc+0x315/0x560
[  173.432675][   T10]      ipv6_add_addr+0x411/0x2000
[  173.432675][   T10]      inet6_addr_add+0x30e/0xa40
[  173.432675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  173.432675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.432675][   T10]      netlink_rcv_skb+0x130/0x360
[  173.432675][   T10]      netlink_unicast+0x449/0x710
[  173.432675][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.432675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.432675][   T10]      ___sys_sendmsg+0xee/0x170
[  173.432675][   T10]      __sys_sendmsg+0xcd/0x170
[  173.432675][   T10]      do_syscall_64+0xc6/0x1e0
[  173.432675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.432675][   T10] 
[  173.435109][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  173.435109][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  173.435109][   T10]      ipv6_find_idev+0x102/0x170
[  173.435109][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  173.435109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.435109][   T10]      netlink_rcv_skb+0x130/0x360
[  173.435109][   T10]      netlink_unicast+0x449/0x710
[  173.435109][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.435109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.435109][   T10]      ___sys_sendmsg+0xee/0x170
[  173.435109][   T10]      __sys_sendmsg+0xcd/0x170
[  173.435109][   T10]      do_syscall_64+0xc6/0x1e0
[  173.435109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.435109][   T10] 
[  173.437088][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  173.437088][   T10]      neigh_parms_alloc+0x1e5/0x510
[  173.437088][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  173.437088][   T10]      ipv6_find_idev+0x102/0x170
[  173.437088][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  173.437088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  173.437088][   T10]      netlink_rcv_skb+0x130/0x360
[  173.437088][   T10]      netlink_unicast+0x449/0x710
[  173.437088][   T10]      netlink_sendmsg+0x723/0xbe0
[  173.437088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  173.437088][   T10]      ___sys_sendmsg+0xee/0x170
[  173.437088][   T10]      __sys_sendmsg+0xcd/0x170
[  173.437088][   T10]      do_syscall_64+0xc6/0x1e0
[  173.437088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  173.437088][   T10] 
[  182.521070][ T1354] veth0: renamed from veth1
[  183.584638][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  183.584964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.584964][   T10]      dst_init+0x84/0x4a0
[  183.584964][   T10]      dst_alloc+0x97/0x150
[  183.584964][   T10]      ip6_dst_alloc+0x23/0x90
[  183.584964][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  183.584964][   T10]      ip6_pol_route+0x56f/0x840
[  183.584964][   T10]      fib6_rule_lookup+0x456/0x630
[  183.584964][   T10]      ip6_route_input+0x59c/0xa50
[  183.584964][   T10]      ipv6_rcv+0x397/0x810
[  183.584964][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  183.584964][   T10]      process_backlog+0x101/0x620
[  183.584964][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  183.584964][   T10]      net_rx_action+0x495/0xbe0
[  183.584964][   T10]      __do_softirq+0x1b5/0x7f6
[  183.584964][   T10] 
[  183.586821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.586821][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  183.586821][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  183.586821][   T10]      fib6_nh_init+0xa22/0x1580
[  183.586821][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.586821][   T10]      ip6_route_add+0x1c/0x140
[  183.586821][   T10]      inet6_rtm_newroute+0x104/0x110
[  183.586821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.586821][   T10]      netlink_rcv_skb+0x130/0x360
[  183.586821][   T10]      netlink_unicast+0x449/0x710
[  183.586821][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.586821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.586821][   T10]      ___sys_sendmsg+0xee/0x170
[  183.586821][   T10]      __sys_sendmsg+0xcd/0x170
[  183.586821][   T10]      do_syscall_64+0xc6/0x1e0
[  183.586821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.586821][   T10] 
[  183.588910][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.588910][   T10]      netdev_get_by_index+0x5e/0x80
[  183.588910][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.588910][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.588910][   T10]      addrconf_f6i_alloc+0x265/0x560
[  183.588910][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  183.588910][   T10]      addrconf_join_anycast+0x1c0/0x220
[  183.588910][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  183.588910][   T10]      addrconf_dad_completed+0x12b/0xe20
[  183.588910][   T10]      addrconf_dad_begin+0x310/0x670
[  183.588910][   T10]      addrconf_dad_work+0x10b/0xab0
[  183.588910][   T10]      process_one_work+0x84d/0x18a0
[  183.588910][   T10]      worker_thread+0x587/0xd30
[  183.588910][   T10]      kthread+0x28a/0x350
[  183.588910][   T10]      ret_from_fork+0x31/0x70
[  183.588910][   T10]      ret_from_fork_asm+0x1a/0x30
[  183.588910][   T10] 
[  183.591040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.591040][   T10]      netdev_get_by_index+0x5e/0x80
[  183.591040][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.591040][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.591040][   T10]      ip6_route_add+0x1c/0x140
[  183.591040][   T10]      addrconf_prefix_route+0x2a6/0x430
[  183.591040][   T10]      inet6_addr_add+0x4f8/0xa40
[  183.591040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.591040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.591040][   T10]      netlink_rcv_skb+0x130/0x360
[  183.591040][   T10]      netlink_unicast+0x449/0x710
[  183.591040][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.591040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.591040][   T10]      ___sys_sendmsg+0xee/0x170
[  183.591040][   T10]      __sys_sendmsg+0xcd/0x170
[  183.591040][   T10]      do_syscall_64+0xc6/0x1e0
[  183.591040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.591040][   T10] 
[  183.593230][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.593230][   T10]      netdev_get_by_index+0x5e/0x80
[  183.593230][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.593230][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.593230][   T10]      addrconf_f6i_alloc+0x315/0x560
[  183.593230][   T10]      ipv6_add_addr+0x411/0x2000
[  183.593230][   T10]      inet6_addr_add+0x30e/0xa40
[  183.593230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.593230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.593230][   T10]      netlink_rcv_skb+0x130/0x360
[  183.593230][   T10]      netlink_unicast+0x449/0x710
[  183.593230][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.593230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.593230][   T10]      ___sys_sendmsg+0xee/0x170
[  183.593230][   T10]      __sys_sendmsg+0xcd/0x170
[  183.593230][   T10]      do_syscall_64+0xc6/0x1e0
[  183.593230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.593230][   T10] 
[  183.595469][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.595469][   T10]      netdev_get_by_index+0x5e/0x80
[  183.595469][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.595469][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.595469][   T10]      ip6_route_add+0x1c/0x140
[  183.595469][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  183.595469][   T10]      addrconf_add_dev+0xe2/0x170
[  183.595469][   T10]      inet6_addr_add+0x12f/0xa40
[  183.595469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.595469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.595469][   T10]      netlink_rcv_skb+0x130/0x360
[  183.595469][   T10]      netlink_unicast+0x449/0x710
[  183.595469][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.595469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.595469][   T10]      ___sys_sendmsg+0xee/0x170
[  183.595469][   T10]      __sys_sendmsg+0xcd/0x170
[  183.595469][   T10]      do_syscall_64+0xc6/0x1e0
[  183.595469][   T10] 
[  183.597653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.597653][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  183.597653][   T10]      ipv6_find_idev+0x102/0x170
[  183.597653][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  183.597653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.597653][   T10]      netlink_rcv_skb+0x130/0x360
[  183.597653][   T10]      netlink_unicast+0x449/0x710
[  183.597653][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.597653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.597653][   T10]      ___sys_sendmsg+0xee/0x170
[  183.597653][   T10]      __sys_sendmsg+0xcd/0x170
[  183.597653][   T10]      do_syscall_64+0xc6/0x1e0
[  183.597653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.597653][   T10] 
[  183.599323][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  183.599323][   T10]      neigh_parms_alloc+0x1e5/0x510
[  183.599323][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  183.599323][   T10]      ipv6_find_idev+0x102/0x170
[  183.599323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  183.599323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.599323][   T10]      netlink_rcv_skb+0x130/0x360
[  183.599323][   T10]      netlink_unicast+0x449/0x710
[  183.599323][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.599323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.599323][   T10]      ___sys_sendmsg+0xee/0x170
[  183.599323][   T10]      __sys_sendmsg+0xcd/0x170
[  183.599323][   T10]      do_syscall_64+0xc6/0x1e0
[  183.599323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.599323][   T10] 
[  183.601521][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  183.601832][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.601832][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  183.601832][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  183.601832][   T10]      fib6_nh_init+0xa22/0x1580
[  183.601832][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.601832][   T10]      ip6_route_add+0x1c/0x140
[  183.601832][   T10]      inet6_rtm_newroute+0x104/0x110
[  183.601832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.601832][   T10]      netlink_rcv_skb+0x130/0x360
[  183.601832][   T10]      netlink_unicast+0x449/0x710
[  183.601832][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.601832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.601832][   T10]      ___sys_sendmsg+0xee/0x170
[  183.601832][   T10]      __sys_sendmsg+0xcd/0x170
[  183.601832][   T10]      do_syscall_64+0xc6/0x1e0
[  183.601832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.601832][   T10] 
[  183.604094][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.604094][   T10]      dst_init+0x84/0x4a0
[  183.604094][   T10]      dst_alloc+0x97/0x150
[  183.604094][   T10]      ip6_dst_alloc+0x23/0x90
[  183.604094][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  183.604094][   T10]      ip6_pol_route+0x56f/0x840
[  183.604094][   T10]      fib6_rule_lookup+0x456/0x630
[  183.604094][   T10]      ip6_route_input+0x59c/0xa50
[  183.604094][   T10]      ipv6_rcv+0x397/0x810
[  183.604094][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  183.604094][   T10]      process_backlog+0x101/0x620
[  183.604094][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  183.604094][   T10]      net_rx_action+0x495/0xbe0
[  183.604094][   T10]      __do_softirq+0x1b5/0x7f6
[  183.604094][   T10] 
[  183.606107][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.606107][   T10]      netdev_get_by_index+0x5e/0x80
[  183.606107][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.606107][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.606107][   T10]      addrconf_f6i_alloc+0x265/0x560
[  183.606107][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  183.606107][   T10]      addrconf_join_anycast+0x1c0/0x220
[  183.606107][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  183.606107][   T10]      addrconf_dad_completed+0x12b/0xe20
[  183.606107][   T10]      addrconf_dad_begin+0x310/0x670
[  183.606107][   T10]      addrconf_dad_work+0x10b/0xab0
[  183.606107][   T10]      process_one_work+0x84d/0x18a0
[  183.606107][   T10]      worker_thread+0x587/0xd30
[  183.606107][   T10]      kthread+0x28a/0x350
[  183.606107][   T10]      ret_from_fork+0x31/0x70
[  183.606107][   T10]      ret_from_fork_asm+0x1a/0x30
[  183.606107][   T10] 
[  183.608368][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.608368][   T10]      netdev_get_by_index+0x5e/0x80
[  183.608368][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.608368][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.608368][   T10]      ip6_route_add+0x1c/0x140
[  183.608368][   T10]      addrconf_prefix_route+0x2a6/0x430
[  183.608368][   T10]      inet6_addr_add+0x4f8/0xa40
[  183.608368][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.608368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.608368][   T10]      netlink_rcv_skb+0x130/0x360
[  183.608368][   T10]      netlink_unicast+0x449/0x710
[  183.608368][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.608368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.608368][   T10]      ___sys_sendmsg+0xee/0x170
[  183.608368][   T10]      __sys_sendmsg+0xcd/0x170
[  183.608368][   T10]      do_syscall_64+0xc6/0x1e0
[  183.608368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.608368][   T10] 
[  183.610829][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.610829][   T10]      netdev_get_by_index+0x5e/0x80
[  183.610829][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.610829][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.610829][   T10]      addrconf_f6i_alloc+0x315/0x560
[  183.610829][   T10]      ipv6_add_addr+0x411/0x2000
[  183.610829][   T10]      inet6_addr_add+0x30e/0xa40
[  183.610829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.610829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.610829][   T10]      netlink_rcv_skb+0x130/0x360
[  183.610829][   T10]      netlink_unicast+0x449/0x710
[  183.610829][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.610829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.610829][   T10]      ___sys_sendmsg+0xee/0x170
[  183.610829][   T10]      __sys_sendmsg+0xcd/0x170
[  183.610829][   T10]      do_syscall_64+0xc6/0x1e0
[  183.610829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.610829][   T10] 
[  183.613236][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.613236][   T10]      netdev_get_by_index+0x5e/0x80
[  183.613236][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.613236][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.613236][   T10]      ip6_route_add+0x1c/0x140
[  183.613236][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  183.613236][   T10]      addrconf_add_dev+0xe2/0x170
[  183.613236][   T10]      inet6_addr_add+0x12f/0xa40
[  183.613236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.613236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.613236][   T10]      netlink_rcv_skb+0x130/0x360
[  183.613236][   T10]      netlink_unicast+0x449/0x710
[  183.613236][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.613236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.613236][   T10]      ___sys_sendmsg+0xee/0x170
[  183.613236][   T10]      __sys_sendmsg+0xcd/0x170
[  183.613236][   T10]      do_syscall_64+0xc6/0x1e0
[  183.613236][   T10] 
[  183.615752][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.615752][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  183.615752][   T10]      ipv6_find_idev+0x102/0x170
[  183.615752][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  183.615752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.615752][   T10]      netlink_rcv_skb+0x130/0x360
[  183.615752][   T10]      netlink_unicast+0x449/0x710
[  183.615752][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.615752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.615752][   T10]      ___sys_sendmsg+0xee/0x170
[  183.615752][   T10]      __sys_sendmsg+0xcd/0x170
[  183.615752][   T10]      do_syscall_64+0xc6/0x1e0
[  183.615752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.615752][   T10] 
[  183.617641][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  183.617641][   T10]      neigh_parms_alloc+0x1e5/0x510
[  183.617641][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  183.617641][   T10]      ipv6_find_idev+0x102/0x170
[  183.617641][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  183.617641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.617641][   T10]      netlink_rcv_skb+0x130/0x360
[  183.617641][   T10]      netlink_unicast+0x449/0x710
[  183.617641][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.617641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.617641][   T10]      ___sys_sendmsg+0xee/0x170
[  183.617641][   T10]      __sys_sendmsg+0xcd/0x170
[  183.617641][   T10]      do_syscall_64+0xc6/0x1e0
[  183.617641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.617641][   T10] 
[  183.619674][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  183.620033][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  183.620033][   T10]      netdev_get_by_index+0x5e/0x80
[  183.620033][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.620033][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.620033][   T10]      ip6_route_add+0x1c/0x140
[  183.620033][   T10]      addrconf_prefix_route+0x2a6/0x430
[  183.620033][   T10]      inet6_addr_add+0x4f8/0xa40
[  183.620033][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.620033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.620033][   T10]      netlink_rcv_skb+0x130/0x360
[  183.620033][   T10]      netlink_unicast+0x449/0x710
[  183.620033][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.620033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.620033][   T10]      ___sys_sendmsg+0xee/0x170
[  183.620033][   T10]      __sys_sendmsg+0xcd/0x170
[  183.620033][   T10]      do_syscall_64+0xc6/0x1e0
[  183.620033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.620033][   T10] 
[  183.622196][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  183.622196][   T10]      netdev_get_by_index+0x5e/0x80
[  183.622196][   T10]      fib6_nh_init+0x3d8/0x1580
[  183.622196][   T10]      ip6_route_info_create+0xf18/0x17d0
[  183.622196][   T10]      addrconf_f6i_alloc+0x315/0x560
[  183.622196][   T10]      ipv6_add_addr+0x411/0x2000
[  183.622196][   T10]      inet6_addr_add+0x30e/0xa40
[  183.622196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  183.622196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.622196][   T10]      netlink_rcv_skb+0x130/0x360
[  183.622196][   T10]      netlink_unicast+0x449/0x710
[  183.622196][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.622196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.622196][   T10]      ___sys_sendmsg+0xee/0x170
[  183.622196][   T10]      __sys_sendmsg+0xcd/0x170
[  183.622196][   T10]      do_syscall_64+0xc6/0x1e0
[  183.622196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.622196][   T10] 
[  183.624549][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  183.624549][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  183.624549][   T10]      ipv6_find_idev+0x102/0x170
[  183.624549][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  183.624549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.624549][   T10]      netlink_rcv_skb+0x130/0x360
[  183.624549][   T10]      netlink_unicast+0x449/0x710
[  183.624549][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.624549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.624549][   T10]      ___sys_sendmsg+0xee/0x170
[  183.624549][   T10]      __sys_sendmsg+0xcd/0x170
[  183.624549][   T10]      do_syscall_64+0xc6/0x1e0
[  183.624549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.624549][   T10] 
[  183.626469][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  183.626469][   T10]      neigh_parms_alloc+0x1e5/0x510
[  183.626469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  183.626469][   T10]      ipv6_find_idev+0x102/0x170
[  183.626469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  183.626469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  183.626469][   T10]      netlink_rcv_skb+0x130/0x360
[  183.626469][   T10]      netlink_unicast+0x449/0x710
[  183.626469][   T10]      netlink_sendmsg+0x723/0xbe0
[  183.626469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  183.626469][   T10]      ___sys_sendmsg+0xee/0x170
[  183.626469][   T10]      __sys_sendmsg+0xcd/0x170
[  183.626469][   T10]      do_syscall_64+0xc6/0x1e0
[  183.626469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  183.626469][   T10] 
[  186.426927][ T1381] br0: port 1(vx0) entered blocking state
[  186.427199][ T1381] br0: port 1(vx0) entered disabled state
[  186.427398][ T1381] vx0: entered allmulticast mode
[  186.428561][ T1381] vx0: entered promiscuous mode
[  186.430404][ T1381] br0: port 1(vx0) entered blocking state
[  186.430596][ T1381] br0: port 1(vx0) entered forwarding state
[  191.787633][ T1411] br0: port 1(vx0) entered blocking state
[  191.787922][ T1411] br0: port 1(vx0) entered disabled state
[  191.788100][ T1411] vx0: entered allmulticast mode
[  191.789289][ T1411] vx0: entered promiscuous mode
[  191.791122][ T1411] br0: port 1(vx0) entered blocking state
[  191.791288][ T1411] br0: port 1(vx0) entered forwarding state
[  193.776701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  193.777048][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.777048][   T10]      dst_init+0x84/0x4a0
[  193.777048][   T10]      dst_alloc+0x97/0x150
[  193.777048][   T10]      ip6_dst_alloc+0x23/0x90
[  193.777048][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  193.777048][   T10]      ip6_pol_route+0x56f/0x840
[  193.777048][   T10]      fib6_rule_lookup+0x456/0x630
[  193.777048][   T10]      ip6_route_input+0x59c/0xa50
[  193.777048][   T10]      ipv6_rcv+0x397/0x810
[  193.777048][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  193.777048][   T10]      process_backlog+0x101/0x620
[  193.777048][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  193.777048][   T10]      net_rx_action+0x495/0xbe0
[  193.777048][   T10]      __do_softirq+0x1b5/0x7f6
[  193.777048][   T10] 
[  193.779164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.779164][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  193.779164][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  193.779164][   T10]      fib6_nh_init+0xa22/0x1580
[  193.779164][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.779164][   T10]      ip6_route_add+0x1c/0x140
[  193.779164][   T10]      inet6_rtm_newroute+0x104/0x110
[  193.779164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.779164][   T10]      netlink_rcv_skb+0x130/0x360
[  193.779164][   T10]      netlink_unicast+0x449/0x710
[  193.779164][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.779164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.779164][   T10]      ___sys_sendmsg+0xee/0x170
[  193.779164][   T10]      __sys_sendmsg+0xcd/0x170
[  193.779164][   T10]      do_syscall_64+0xc6/0x1e0
[  193.779164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.779164][   T10] 
[  193.781554][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.781554][   T10]      netdev_get_by_index+0x5e/0x80
[  193.781554][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.781554][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.781554][   T10]      addrconf_f6i_alloc+0x265/0x560
[  193.781554][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  193.781554][   T10]      addrconf_join_anycast+0x1c0/0x220
[  193.781554][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  193.781554][   T10]      addrconf_dad_completed+0x12b/0xe20
[  193.781554][   T10]      addrconf_dad_begin+0x310/0x670
[  193.781554][   T10]      addrconf_dad_work+0x10b/0xab0
[  193.781554][   T10]      process_one_work+0x84d/0x18a0
[  193.781554][   T10]      worker_thread+0x587/0xd30
[  193.781554][   T10]      kthread+0x28a/0x350
[  193.781554][   T10]      ret_from_fork+0x31/0x70
[  193.781554][   T10]      ret_from_fork_asm+0x1a/0x30
[  193.781554][   T10] 
[  193.783902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.783902][   T10]      netdev_get_by_index+0x5e/0x80
[  193.783902][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.783902][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.783902][   T10]      ip6_route_add+0x1c/0x140
[  193.783902][   T10]      addrconf_prefix_route+0x2a6/0x430
[  193.783902][   T10]      inet6_addr_add+0x4f8/0xa40
[  193.783902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.783902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.783902][   T10]      netlink_rcv_skb+0x130/0x360
[  193.783902][   T10]      netlink_unicast+0x449/0x710
[  193.783902][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.783902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.783902][   T10]      ___sys_sendmsg+0xee/0x170
[  193.783902][   T10]      __sys_sendmsg+0xcd/0x170
[  193.783902][   T10]      do_syscall_64+0xc6/0x1e0
[  193.783902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.783902][   T10] 
[  193.786361][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.786361][   T10]      netdev_get_by_index+0x5e/0x80
[  193.786361][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.786361][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.786361][   T10]      addrconf_f6i_alloc+0x315/0x560
[  193.786361][   T10]      ipv6_add_addr+0x411/0x2000
[  193.786361][   T10]      inet6_addr_add+0x30e/0xa40
[  193.786361][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.786361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.786361][   T10]      netlink_rcv_skb+0x130/0x360
[  193.786361][   T10]      netlink_unicast+0x449/0x710
[  193.786361][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.786361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.786361][   T10]      ___sys_sendmsg+0xee/0x170
[  193.786361][   T10]      __sys_sendmsg+0xcd/0x170
[  193.786361][   T10]      do_syscall_64+0xc6/0x1e0
[  193.786361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.786361][   T10] 
[  193.788798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.788798][   T10]      netdev_get_by_index+0x5e/0x80
[  193.788798][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.788798][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.788798][   T10]      ip6_route_add+0x1c/0x140
[  193.788798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  193.788798][   T10]      addrconf_add_dev+0xe2/0x170
[  193.788798][   T10]      inet6_addr_add+0x12f/0xa40
[  193.788798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.788798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.788798][   T10]      netlink_rcv_skb+0x130/0x360
[  193.788798][   T10]      netlink_unicast+0x449/0x710
[  193.788798][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.788798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.788798][   T10]      ___sys_sendmsg+0xee/0x170
[  193.788798][   T10]      __sys_sendmsg+0xcd/0x170
[  193.788798][   T10]      do_syscall_64+0xc6/0x1e0
[  193.788798][   T10] 
[  193.791275][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.791275][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  193.791275][   T10]      ipv6_find_idev+0x102/0x170
[  193.791275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  193.791275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.791275][   T10]      netlink_rcv_skb+0x130/0x360
[  193.791275][   T10]      netlink_unicast+0x449/0x710
[  193.791275][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.791275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.791275][   T10]      ___sys_sendmsg+0xee/0x170
[  193.791275][   T10]      __sys_sendmsg+0xcd/0x170
[  193.791275][   T10]      do_syscall_64+0xc6/0x1e0
[  193.791275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.791275][   T10] 
[  193.793365][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  193.793365][   T10]      neigh_parms_alloc+0x1e5/0x510
[  193.793365][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  193.793365][   T10]      ipv6_find_idev+0x102/0x170
[  193.793365][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  193.793365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.793365][   T10]      netlink_rcv_skb+0x130/0x360
[  193.793365][   T10]      netlink_unicast+0x449/0x710
[  193.793365][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.793365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.793365][   T10]      ___sys_sendmsg+0xee/0x170
[  193.793365][   T10]      __sys_sendmsg+0xcd/0x170
[  193.793365][   T10]      do_syscall_64+0xc6/0x1e0
[  193.793365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.793365][   T10] 
[  193.795683][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  193.795963][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.795963][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  193.795963][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  193.795963][   T10]      fib6_nh_init+0xa22/0x1580
[  193.795963][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.795963][   T10]      ip6_route_add+0x1c/0x140
[  193.795963][   T10]      inet6_rtm_newroute+0x104/0x110
[  193.795963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.795963][   T10]      netlink_rcv_skb+0x130/0x360
[  193.795963][   T10]      netlink_unicast+0x449/0x710
[  193.795963][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.795963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.795963][   T10]      ___sys_sendmsg+0xee/0x170
[  193.795963][   T10]      __sys_sendmsg+0xcd/0x170
[  193.795963][   T10]      do_syscall_64+0xc6/0x1e0
[  193.795963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.795963][   T10] 
[  193.798486][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.798486][   T10]      dst_init+0x84/0x4a0
[  193.798486][   T10]      dst_alloc+0x97/0x150
[  193.798486][   T10]      ip6_dst_alloc+0x23/0x90
[  193.798486][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  193.798486][   T10]      ip6_pol_route+0x56f/0x840
[  193.798486][   T10]      fib6_rule_lookup+0x456/0x630
[  193.798486][   T10]      ip6_route_input+0x59c/0xa50
[  193.798486][   T10]      ipv6_rcv+0x397/0x810
[  193.798486][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  193.798486][   T10]      process_backlog+0x101/0x620
[  193.798486][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  193.798486][   T10]      net_rx_action+0x495/0xbe0
[  193.798486][   T10]      __do_softirq+0x1b5/0x7f6
[  193.798486][   T10] 
[  193.800694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.800694][   T10]      netdev_get_by_index+0x5e/0x80
[  193.800694][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.800694][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.800694][   T10]      addrconf_f6i_alloc+0x265/0x560
[  193.800694][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  193.800694][   T10]      addrconf_join_anycast+0x1c0/0x220
[  193.800694][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  193.800694][   T10]      addrconf_dad_completed+0x12b/0xe20
[  193.800694][   T10]      addrconf_dad_begin+0x310/0x670
[  193.800694][   T10]      addrconf_dad_work+0x10b/0xab0
[  193.800694][   T10]      process_one_work+0x84d/0x18a0
[  193.800694][   T10]      worker_thread+0x587/0xd30
[  193.800694][   T10]      kthread+0x28a/0x350
[  193.800694][   T10]      ret_from_fork+0x31/0x70
[  193.800694][   T10]      ret_from_fork_asm+0x1a/0x30
[  193.800694][   T10] 
[  193.803319][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.803319][   T10]      netdev_get_by_index+0x5e/0x80
[  193.803319][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.803319][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.803319][   T10]      ip6_route_add+0x1c/0x140
[  193.803319][   T10]      addrconf_prefix_route+0x2a6/0x430
[  193.803319][   T10]      inet6_addr_add+0x4f8/0xa40
[  193.803319][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.803319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.803319][   T10]      netlink_rcv_skb+0x130/0x360
[  193.803319][   T10]      netlink_unicast+0x449/0x710
[  193.803319][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.803319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.803319][   T10]      ___sys_sendmsg+0xee/0x170
[  193.803319][   T10]      __sys_sendmsg+0xcd/0x170
[  193.803319][   T10]      do_syscall_64+0xc6/0x1e0
[  193.803319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.803319][   T10] 
[  193.805987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.805987][   T10]      netdev_get_by_index+0x5e/0x80
[  193.805987][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.805987][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.805987][   T10]      addrconf_f6i_alloc+0x315/0x560
[  193.805987][   T10]      ipv6_add_addr+0x411/0x2000
[  193.805987][   T10]      inet6_addr_add+0x30e/0xa40
[  193.805987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.805987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.805987][   T10]      netlink_rcv_skb+0x130/0x360
[  193.805987][   T10]      netlink_unicast+0x449/0x710
[  193.805987][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.805987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.805987][   T10]      ___sys_sendmsg+0xee/0x170
[  193.805987][   T10]      __sys_sendmsg+0xcd/0x170
[  193.805987][   T10]      do_syscall_64+0xc6/0x1e0
[  193.805987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.805987][   T10] 
[  193.808722][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.808722][   T10]      netdev_get_by_index+0x5e/0x80
[  193.808722][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.808722][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.808722][   T10]      ip6_route_add+0x1c/0x140
[  193.808722][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  193.808722][   T10]      addrconf_add_dev+0xe2/0x170
[  193.808722][   T10]      inet6_addr_add+0x12f/0xa40
[  193.808722][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.808722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.808722][   T10]      netlink_rcv_skb+0x130/0x360
[  193.808722][   T10]      netlink_unicast+0x449/0x710
[  193.808722][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.808722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.808722][   T10]      ___sys_sendmsg+0xee/0x170
[  193.808722][   T10]      __sys_sendmsg+0xcd/0x170
[  193.808722][   T10]      do_syscall_64+0xc6/0x1e0
[  193.808722][   T10] 
[  193.811276][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.811276][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  193.811276][   T10]      ipv6_find_idev+0x102/0x170
[  193.811276][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  193.811276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.811276][   T10]      netlink_rcv_skb+0x130/0x360
[  193.811276][   T10]      netlink_unicast+0x449/0x710
[  193.811276][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.811276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.811276][   T10]      ___sys_sendmsg+0xee/0x170
[  193.811276][   T10]      __sys_sendmsg+0xcd/0x170
[  193.811276][   T10]      do_syscall_64+0xc6/0x1e0
[  193.811276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.811276][   T10] 
[  193.813189][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  193.813189][   T10]      neigh_parms_alloc+0x1e5/0x510
[  193.813189][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  193.813189][   T10]      ipv6_find_idev+0x102/0x170
[  193.813189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  193.813189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.813189][   T10]      netlink_rcv_skb+0x130/0x360
[  193.813189][   T10]      netlink_unicast+0x449/0x710
[  193.813189][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.813189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.813189][   T10]      ___sys_sendmsg+0xee/0x170
[  193.813189][   T10]      __sys_sendmsg+0xcd/0x170
[  193.813189][   T10]      do_syscall_64+0xc6/0x1e0
[  193.813189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.813189][   T10] 
[  193.815472][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  193.815855][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  193.815855][   T10]      netdev_get_by_index+0x5e/0x80
[  193.815855][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.815855][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.815855][   T10]      ip6_route_add+0x1c/0x140
[  193.815855][   T10]      addrconf_prefix_route+0x2a6/0x430
[  193.815855][   T10]      inet6_addr_add+0x4f8/0xa40
[  193.815855][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.815855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.815855][   T10]      netlink_rcv_skb+0x130/0x360
[  193.815855][   T10]      netlink_unicast+0x449/0x710
[  193.815855][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.815855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.815855][   T10]      ___sys_sendmsg+0xee/0x170
[  193.815855][   T10]      __sys_sendmsg+0xcd/0x170
[  193.815855][   T10]      do_syscall_64+0xc6/0x1e0
[  193.815855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.815855][   T10] 
[  193.818472][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  193.818472][   T10]      netdev_get_by_index+0x5e/0x80
[  193.818472][   T10]      fib6_nh_init+0x3d8/0x1580
[  193.818472][   T10]      ip6_route_info_create+0xf18/0x17d0
[  193.818472][   T10]      addrconf_f6i_alloc+0x315/0x560
[  193.818472][   T10]      ipv6_add_addr+0x411/0x2000
[  193.818472][   T10]      inet6_addr_add+0x30e/0xa40
[  193.818472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  193.818472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.818472][   T10]      netlink_rcv_skb+0x130/0x360
[  193.818472][   T10]      netlink_unicast+0x449/0x710
[  193.818472][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.818472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.818472][   T10]      ___sys_sendmsg+0xee/0x170
[  193.818472][   T10]      __sys_sendmsg+0xcd/0x170
[  193.818472][   T10]      do_syscall_64+0xc6/0x1e0
[  193.818472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.818472][   T10] 
[  193.821217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  193.821217][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  193.821217][   T10]      ipv6_find_idev+0x102/0x170
[  193.821217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  193.821217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.821217][   T10]      netlink_rcv_skb+0x130/0x360
[  193.821217][   T10]      netlink_unicast+0x449/0x710
[  193.821217][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.821217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.821217][   T10]      ___sys_sendmsg+0xee/0x170
[  193.821217][   T10]      __sys_sendmsg+0xcd/0x170
[  193.821217][   T10]      do_syscall_64+0xc6/0x1e0
[  193.821217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.821217][   T10] 
[  193.823200][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  193.823200][   T10]      neigh_parms_alloc+0x1e5/0x510
[  193.823200][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  193.823200][   T10]      ipv6_find_idev+0x102/0x170
[  193.823200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  193.823200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  193.823200][   T10]      netlink_rcv_skb+0x130/0x360
[  193.823200][   T10]      netlink_unicast+0x449/0x710
[  193.823200][   T10]      netlink_sendmsg+0x723/0xbe0
[  193.823200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  193.823200][   T10]      ___sys_sendmsg+0xee/0x170
[  193.823200][   T10]      __sys_sendmsg+0xcd/0x170
[  193.823200][   T10]      do_syscall_64+0xc6/0x1e0
[  193.823200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  193.823200][   T10] 
[  196.079176][ T1442] veth0: renamed from veth1
[  199.986297][ T1469] br0: port 1(vx0) entered blocking state
[  199.986573][ T1469] br0: port 1(vx0) entered disabled state
[  199.986776][ T1469] vx0: entered allmulticast mode
[  199.987935][ T1469] vx0: entered promiscuous mode
[  199.989774][ T1469] br0: port 1(vx0) entered blocking state
[  199.989956][ T1469] br0: port 1(vx0) entered forwarding state
[  203.984661][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  203.985156][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  203.985156][   T10]      dst_init+0x84/0x4a0
[  203.985156][   T10]      dst_alloc+0x97/0x150
[  203.985156][   T10]      ip6_dst_alloc+0x23/0x90
[  203.985156][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  203.985156][   T10]      ip6_pol_route+0x56f/0x840
[  203.985156][   T10]      fib6_rule_lookup+0x456/0x630
[  203.985156][   T10]      ip6_route_input+0x59c/0xa50
[  203.985156][   T10]      ipv6_rcv+0x397/0x810
[  203.985156][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  203.985156][   T10]      process_backlog+0x101/0x620
[  203.985156][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  203.985156][   T10]      net_rx_action+0x495/0xbe0
[  203.985156][   T10]      __do_softirq+0x1b5/0x7f6
[  203.985156][   T10] 
[  203.987730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  203.987730][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  203.987730][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  203.987730][   T10]      fib6_nh_init+0xa22/0x1580
[  203.987730][   T10]      ip6_route_info_create+0xf18/0x17d0
[  203.987730][   T10]      ip6_route_add+0x1c/0x140
[  203.987730][   T10]      inet6_rtm_newroute+0x104/0x110
[  203.987730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  203.987730][   T10]      netlink_rcv_skb+0x130/0x360
[  203.987730][   T10]      netlink_unicast+0x449/0x710
[  203.987730][   T10]      netlink_sendmsg+0x723/0xbe0
[  203.987730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  203.987730][   T10]      ___sys_sendmsg+0xee/0x170
[  203.987730][   T10]      __sys_sendmsg+0xcd/0x170
[  203.987730][   T10]      do_syscall_64+0xc6/0x1e0
[  203.987730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  203.987730][   T10] 
[  203.989936][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  203.989936][   T10]      netdev_get_by_index+0x5e/0x80
[  203.989936][   T10]      fib6_nh_init+0x3d8/0x1580
[  203.989936][   T10]      ip6_route_info_create+0xf18/0x17d0
[  203.989936][   T10]      addrconf_f6i_alloc+0x265/0x560
[  203.989936][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  203.989936][   T10]      addrconf_join_anycast+0x1c0/0x220
[  203.989936][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  203.989936][   T10]      addrconf_dad_completed+0x12b/0xe20
[  203.989936][   T10]      addrconf_dad_begin+0x310/0x670
[  203.989936][   T10]      addrconf_dad_work+0x10b/0xab0
[  203.989936][   T10]      process_one_work+0x84d/0x18a0
[  203.989936][   T10]      worker_thread+0x587/0xd30
[  203.989936][   T10]      kthread+0x28a/0x350
[  203.989936][   T10]      ret_from_fork+0x31/0x70
[  203.989936][   T10]      ret_from_fork_asm+0x1a/0x30
[  203.989936][   T10] 
[  203.992176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  203.992176][   T10]      netdev_get_by_index+0x5e/0x80
[  203.992176][   T10]      fib6_nh_init+0x3d8/0x1580
[  203.992176][   T10]      ip6_route_info_create+0xf18/0x17d0
[  203.992176][   T10]      ip6_route_add+0x1c/0x140
[  203.992176][   T10]      addrconf_prefix_route+0x2a6/0x430
[  203.992176][   T10]      inet6_addr_add+0x4f8/0xa40
[  203.992176][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  203.992176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  203.992176][   T10]      netlink_rcv_skb+0x130/0x360
[  203.992176][   T10]      netlink_unicast+0x449/0x710
[  203.992176][   T10]      netlink_sendmsg+0x723/0xbe0
[  203.992176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  203.992176][   T10]      ___sys_sendmsg+0xee/0x170
[  203.992176][   T10]      __sys_sendmsg+0xcd/0x170
[  203.992176][   T10]      do_syscall_64+0xc6/0x1e0
[  203.992176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  203.992176][   T10] 
[  203.994574][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  203.994574][   T10]      netdev_get_by_index+0x5e/0x80
[  203.994574][   T10]      fib6_nh_init+0x3d8/0x1580
[  203.994574][   T10]      ip6_route_info_create+0xf18/0x17d0
[  203.994574][   T10]      addrconf_f6i_alloc+0x315/0x560
[  203.994574][   T10]      ipv6_add_addr+0x411/0x2000
[  203.994574][   T10]      inet6_addr_add+0x30e/0xa40
[  203.994574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  203.994574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  203.994574][   T10]      netlink_rcv_skb+0x130/0x360
[  203.994574][   T10]      netlink_unicast+0x449/0x710
[  203.994574][   T10]      netlink_sendmsg+0x723/0xbe0
[  203.994574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  203.994574][   T10]      ___sys_sendmsg+0xee/0x170
[  203.994574][   T10]      __sys_sendmsg+0xcd/0x170
[  203.994574][   T10]      do_syscall_64+0xc6/0x1e0
[  203.994574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  203.994574][   T10] 
[  203.996776][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  203.996776][   T10]      netdev_get_by_index+0x5e/0x80
[  203.996776][   T10]      fib6_nh_init+0x3d8/0x1580
[  203.996776][   T10]      ip6_route_info_create+0xf18/0x17d0
[  203.996776][   T10]      ip6_route_add+0x1c/0x140
[  203.996776][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  203.996776][   T10]      addrconf_add_dev+0xe2/0x170
[  203.996776][   T10]      inet6_addr_add+0x12f/0xa40
[  203.996776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  203.996776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  203.996776][   T10]      netlink_rcv_skb+0x130/0x360
[  203.996776][   T10]      netlink_unicast+0x449/0x710
[  203.996776][   T10]      netlink_sendmsg+0x723/0xbe0
[  203.996776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  203.996776][   T10]      ___sys_sendmsg+0xee/0x170
[  203.996776][   T10]      __sys_sendmsg+0xcd/0x170
[  203.996776][   T10]      do_syscall_64+0xc6/0x1e0
[  203.996776][   T10] 
[  203.998962][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  203.998962][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  203.998962][   T10]      ipv6_find_idev+0x102/0x170
[  203.998962][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  203.998962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  203.998962][   T10]      netlink_rcv_skb+0x130/0x360
[  203.998962][   T10]      netlink_unicast+0x449/0x710
[  203.998962][   T10]      netlink_sendmsg+0x723/0xbe0
[  203.998962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  203.998962][   T10]      ___sys_sendmsg+0xee/0x170
[  203.998962][   T10]      __sys_sendmsg+0xcd/0x170
[  203.998962][   T10]      do_syscall_64+0xc6/0x1e0
[  203.998962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  203.998962][   T10] 
[  204.000753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  204.000753][   T10]      neigh_parms_alloc+0x1e5/0x510
[  204.000753][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  204.000753][   T10]      ipv6_find_idev+0x102/0x170
[  204.000753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  204.000753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.000753][   T10]      netlink_rcv_skb+0x130/0x360
[  204.000753][   T10]      netlink_unicast+0x449/0x710
[  204.000753][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.000753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.000753][   T10]      ___sys_sendmsg+0xee/0x170
[  204.000753][   T10]      __sys_sendmsg+0xcd/0x170
[  204.000753][   T10]      do_syscall_64+0xc6/0x1e0
[  204.000753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.000753][   T10] 
[  204.002945][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  204.003222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.003222][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  204.003222][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  204.003222][   T10]      fib6_nh_init+0xa22/0x1580
[  204.003222][   T10]      ip6_route_info_create+0xf18/0x17d0
[  204.003222][   T10]      ip6_route_add+0x1c/0x140
[  204.003222][   T10]      inet6_rtm_newroute+0x104/0x110
[  204.003222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.003222][   T10]      netlink_rcv_skb+0x130/0x360
[  204.003222][   T10]      netlink_unicast+0x449/0x710
[  204.003222][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.003222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.003222][   T10]      ___sys_sendmsg+0xee/0x170
[  204.003222][   T10]      __sys_sendmsg+0xcd/0x170
[  204.003222][   T10]      do_syscall_64+0xc6/0x1e0
[  204.003222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.003222][   T10] 
[  204.005687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.005687][   T10]      dst_init+0x84/0x4a0
[  204.005687][   T10]      dst_alloc+0x97/0x150
[  204.005687][   T10]      ip6_dst_alloc+0x23/0x90
[  204.005687][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  204.005687][   T10]      ip6_pol_route+0x56f/0x840
[  204.005687][   T10]      fib6_rule_lookup+0x456/0x630
[  204.005687][   T10]      ip6_route_input+0x59c/0xa50
[  204.005687][   T10]      ipv6_rcv+0x397/0x810
[  204.005687][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  204.005687][   T10]      process_backlog+0x101/0x620
[  204.005687][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  204.005687][   T10]      net_rx_action+0x495/0xbe0
[  204.005687][   T10]      __do_softirq+0x1b5/0x7f6
[  204.005687][   T10] 
[  204.007607][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.007607][   T10]      netdev_get_by_index+0x5e/0x80
[  204.007607][   T10]      fib6_nh_init+0x3d8/0x1580
[  204.007607][   T10]      ip6_route_info_create+0xf18/0x17d0
[  204.007607][   T10]      addrconf_f6i_alloc+0x265/0x560
[  204.007607][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  204.007607][   T10]      addrconf_join_anycast+0x1c0/0x220
[  204.007607][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  204.007607][   T10]      addrconf_dad_completed+0x12b/0xe20
[  204.007607][   T10]      addrconf_dad_begin+0x310/0x670
[  204.007607][   T10]      addrconf_dad_work+0x10b/0xab0
[  204.007607][   T10]      process_one_work+0x84d/0x18a0
[  204.007607][   T10]      worker_thread+0x587/0xd30
[  204.007607][   T10]      kthread+0x28a/0x350
[  204.007607][   T10]      ret_from_fork+0x31/0x70
[  204.007607][   T10]      ret_from_fork_asm+0x1a/0x30
[  204.007607][   T10] 
[  204.010295][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.010295][   T10]      netdev_get_by_index+0x5e/0x80
[  204.010295][   T10]      fib6_nh_init+0x3d8/0x1580
[  204.010295][   T10]      ip6_route_info_create+0xf18/0x17d0
[  204.010295][   T10]      ip6_route_add+0x1c/0x140
[  204.010295][   T10]      addrconf_prefix_route+0x2a6/0x430
[  204.010295][   T10]      inet6_addr_add+0x4f8/0xa40
[  204.010295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  204.010295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.010295][   T10]      netlink_rcv_skb+0x130/0x360
[  204.010295][   T10]      netlink_unicast+0x449/0x710
[  204.010295][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.010295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.010295][   T10]      ___sys_sendmsg+0xee/0x170
[  204.010295][   T10]      __sys_sendmsg+0xcd/0x170
[  204.010295][   T10]      do_syscall_64+0xc6/0x1e0
[  204.010295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.010295][   T10] 
[  204.012825][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.012825][   T10]      netdev_get_by_index+0x5e/0x80
[  204.012825][   T10]      fib6_nh_init+0x3d8/0x1580
[  204.012825][   T10]      ip6_route_info_create+0xf18/0x17d0
[  204.012825][   T10]      addrconf_f6i_alloc+0x315/0x560
[  204.012825][   T10]      ipv6_add_addr+0x411/0x2000
[  204.012825][   T10]      inet6_addr_add+0x30e/0xa40
[  204.012825][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  204.012825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.012825][   T10]      netlink_rcv_skb+0x130/0x360
[  204.012825][   T10]      netlink_unicast+0x449/0x710
[  204.012825][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.012825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.012825][   T10]      ___sys_sendmsg+0xee/0x170
[  204.012825][   T10]      __sys_sendmsg+0xcd/0x170
[  204.012825][   T10]      do_syscall_64+0xc6/0x1e0
[  204.012825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.012825][   T10] 
[  204.015212][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.015212][   T10]      netdev_get_by_index+0x5e/0x80
[  204.015212][   T10]      fib6_nh_init+0x3d8/0x1580
[  204.015212][   T10]      ip6_route_info_create+0xf18/0x17d0
[  204.015212][   T10]      ip6_route_add+0x1c/0x140
[  204.015212][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  204.015212][   T10]      addrconf_add_dev+0xe2/0x170
[  204.015212][   T10]      inet6_addr_add+0x12f/0xa40
[  204.015212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  204.015212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.015212][   T10]      netlink_rcv_skb+0x130/0x360
[  204.015212][   T10]      netlink_unicast+0x449/0x710
[  204.015212][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.015212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.015212][   T10]      ___sys_sendmsg+0xee/0x170
[  204.015212][   T10]      __sys_sendmsg+0xcd/0x170
[  204.015212][   T10]      do_syscall_64+0xc6/0x1e0
[  204.015212][   T10] 
[  204.017594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.017594][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  204.017594][   T10]      ipv6_find_idev+0x102/0x170
[  204.017594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  204.017594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.017594][   T10]      netlink_rcv_skb+0x130/0x360
[  204.017594][   T10]      netlink_unicast+0x449/0x710
[  204.017594][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.017594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.017594][   T10]      ___sys_sendmsg+0xee/0x170
[  204.017594][   T10]      __sys_sendmsg+0xcd/0x170
[  204.017594][   T10]      do_syscall_64+0xc6/0x1e0
[  204.017594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.017594][   T10] 
[  204.019420][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  204.019420][   T10]      neigh_parms_alloc+0x1e5/0x510
[  204.019420][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  204.019420][   T10]      ipv6_find_idev+0x102/0x170
[  204.019420][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  204.019420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.019420][   T10]      netlink_rcv_skb+0x130/0x360
[  204.019420][   T10]      netlink_unicast+0x449/0x710
[  204.019420][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.019420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.019420][   T10]      ___sys_sendmsg+0xee/0x170
[  204.019420][   T10]      __sys_sendmsg+0xcd/0x170
[  204.019420][   T10]      do_syscall_64+0xc6/0x1e0
[  204.019420][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.019420][   T10] 
[  204.021565][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  204.021862][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  204.021862][   T10]      netdev_get_by_index+0x5e/0x80
[  204.021862][   T10]      fib6_nh_init+0x3d8/0x1580
[  204.021862][   T10]      ip6_route_info_create+0xf18/0x17d0
[  204.021862][   T10]      ip6_route_add+0x1c/0x140
[  204.021862][   T10]      addrconf_prefix_route+0x2a6/0x430
[  204.021862][   T10]      inet6_addr_add+0x4f8/0xa40
[  204.021862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  204.021862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.021862][   T10]      netlink_rcv_skb+0x130/0x360
[  204.021862][   T10]      netlink_unicast+0x449/0x710
[  204.021862][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.021862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.021862][   T10]      ___sys_sendmsg+0xee/0x170
[  204.021862][   T10]      __sys_sendmsg+0xcd/0x170
[  204.021862][   T10]      do_syscall_64+0xc6/0x1e0
[  204.021862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.021862][   T10] 
[  204.024205][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  204.024205][   T10]      netdev_get_by_index+0x5e/0x80
[  204.024205][   T10]      fib6_nh_init+0x3d8/0x1580
[  204.024205][   T10]      ip6_route_info_create+0xf18/0x17d0
[  204.024205][   T10]      addrconf_f6i_alloc+0x315/0x560
[  204.024205][   T10]      ipv6_add_addr+0x411/0x2000
[  204.024205][   T10]      inet6_addr_add+0x30e/0xa40
[  204.024205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  204.024205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.024205][   T10]      netlink_rcv_skb+0x130/0x360
[  204.024205][   T10]      netlink_unicast+0x449/0x710
[  204.024205][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.024205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.024205][   T10]      ___sys_sendmsg+0xee/0x170
[  204.024205][   T10]      __sys_sendmsg+0xcd/0x170
[  204.024205][   T10]      do_syscall_64+0xc6/0x1e0
[  204.024205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.024205][   T10] 
[  204.026451][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  204.026451][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  204.026451][   T10]      ipv6_find_idev+0x102/0x170
[  204.026451][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  204.026451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.026451][   T10]      netlink_rcv_skb+0x130/0x360
[  204.026451][   T10]      netlink_unicast+0x449/0x710
[  204.026451][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.026451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.026451][   T10]      ___sys_sendmsg+0xee/0x170
[  204.026451][   T10]      __sys_sendmsg+0xcd/0x170
[  204.026451][   T10]      do_syscall_64+0xc6/0x1e0
[  204.026451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.026451][   T10] 
[  204.028239][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  204.028239][   T10]      neigh_parms_alloc+0x1e5/0x510
[  204.028239][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  204.028239][   T10]      ipv6_find_idev+0x102/0x170
[  204.028239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  204.028239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  204.028239][   T10]      netlink_rcv_skb+0x130/0x360
[  204.028239][   T10]      netlink_unicast+0x449/0x710
[  204.028239][   T10]      netlink_sendmsg+0x723/0xbe0
[  204.028239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  204.028239][   T10]      ___sys_sendmsg+0xee/0x170
[  204.028239][   T10]      __sys_sendmsg+0xcd/0x170
[  204.028239][   T10]      do_syscall_64+0xc6/0x1e0
[  204.028239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  204.028239][   T10] 
[  205.655761][ T1499] br0: port 1(vx0) entered blocking state
[  205.656031][ T1499] br0: port 1(vx0) entered disabled state
[  205.656229][ T1499] vx0: entered allmulticast mode
[  205.657390][ T1499] vx0: entered promiscuous mode
[  205.659307][ T1499] br0: port 1(vx0) entered blocking state
[  205.659488][ T1499] br0: port 1(vx0) entered forwarding state
[  214.088691][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  214.089031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.089031][   T10]      dst_init+0x84/0x4a0
[  214.089031][   T10]      dst_alloc+0x97/0x150
[  214.089031][   T10]      ip6_dst_alloc+0x23/0x90
[  214.089031][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  214.089031][   T10]      ip6_pol_route+0x56f/0x840
[  214.089031][   T10]      fib6_rule_lookup+0x456/0x630
[  214.089031][   T10]      ip6_route_input+0x59c/0xa50
[  214.089031][   T10]      ipv6_rcv+0x397/0x810
[  214.089031][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  214.089031][   T10]      process_backlog+0x101/0x620
[  214.089031][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  214.089031][   T10]      net_rx_action+0x495/0xbe0
[  214.089031][   T10]      __do_softirq+0x1b5/0x7f6
[  214.089031][   T10] 
[  214.090966][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.090966][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  214.090966][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  214.090966][   T10]      fib6_nh_init+0xa22/0x1580
[  214.090966][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.090966][   T10]      ip6_route_add+0x1c/0x140
[  214.090966][   T10]      inet6_rtm_newroute+0x104/0x110
[  214.090966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.090966][   T10]      netlink_rcv_skb+0x130/0x360
[  214.090966][   T10]      netlink_unicast+0x449/0x710
[  214.090966][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.090966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.090966][   T10]      ___sys_sendmsg+0xee/0x170
[  214.090966][   T10]      __sys_sendmsg+0xcd/0x170
[  214.090966][   T10]      do_syscall_64+0xc6/0x1e0
[  214.090966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.090966][   T10] 
[  214.093168][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.093168][   T10]      netdev_get_by_index+0x5e/0x80
[  214.093168][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.093168][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.093168][   T10]      addrconf_f6i_alloc+0x265/0x560
[  214.093168][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  214.093168][   T10]      addrconf_join_anycast+0x1c0/0x220
[  214.093168][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  214.093168][   T10]      addrconf_dad_completed+0x12b/0xe20
[  214.093168][   T10]      addrconf_dad_begin+0x310/0x670
[  214.093168][   T10]      addrconf_dad_work+0x10b/0xab0
[  214.093168][   T10]      process_one_work+0x84d/0x18a0
[  214.093168][   T10]      worker_thread+0x587/0xd30
[  214.093168][   T10]      kthread+0x28a/0x350
[  214.093168][   T10]      ret_from_fork+0x31/0x70
[  214.093168][   T10]      ret_from_fork_asm+0x1a/0x30
[  214.093168][   T10] 
[  214.095394][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.095394][   T10]      netdev_get_by_index+0x5e/0x80
[  214.095394][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.095394][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.095394][   T10]      ip6_route_add+0x1c/0x140
[  214.095394][   T10]      addrconf_prefix_route+0x2a6/0x430
[  214.095394][   T10]      inet6_addr_add+0x4f8/0xa40
[  214.095394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.095394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.095394][   T10]      netlink_rcv_skb+0x130/0x360
[  214.095394][   T10]      netlink_unicast+0x449/0x710
[  214.095394][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.095394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.095394][   T10]      ___sys_sendmsg+0xee/0x170
[  214.095394][   T10]      __sys_sendmsg+0xcd/0x170
[  214.095394][   T10]      do_syscall_64+0xc6/0x1e0
[  214.095394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.095394][   T10] 
[  214.098031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.098031][   T10]      netdev_get_by_index+0x5e/0x80
[  214.098031][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.098031][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.098031][   T10]      addrconf_f6i_alloc+0x315/0x560
[  214.098031][   T10]      ipv6_add_addr+0x411/0x2000
[  214.098031][   T10]      inet6_addr_add+0x30e/0xa40
[  214.098031][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.098031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.098031][   T10]      netlink_rcv_skb+0x130/0x360
[  214.098031][   T10]      netlink_unicast+0x449/0x710
[  214.098031][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.098031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.098031][   T10]      ___sys_sendmsg+0xee/0x170
[  214.098031][   T10]      __sys_sendmsg+0xcd/0x170
[  214.098031][   T10]      do_syscall_64+0xc6/0x1e0
[  214.098031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.098031][   T10] 
[  214.100572][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.100572][   T10]      netdev_get_by_index+0x5e/0x80
[  214.100572][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.100572][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.100572][   T10]      ip6_route_add+0x1c/0x140
[  214.100572][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  214.100572][   T10]      addrconf_add_dev+0xe2/0x170
[  214.100572][   T10]      inet6_addr_add+0x12f/0xa40
[  214.100572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.100572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.100572][   T10]      netlink_rcv_skb+0x130/0x360
[  214.100572][   T10]      netlink_unicast+0x449/0x710
[  214.100572][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.100572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.100572][   T10]      ___sys_sendmsg+0xee/0x170
[  214.100572][   T10]      __sys_sendmsg+0xcd/0x170
[  214.100572][   T10]      do_syscall_64+0xc6/0x1e0
[  214.100572][   T10] 
[  214.103239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.103239][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  214.103239][   T10]      ipv6_find_idev+0x102/0x170
[  214.103239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  214.103239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.103239][   T10]      netlink_rcv_skb+0x130/0x360
[  214.103239][   T10]      netlink_unicast+0x449/0x710
[  214.103239][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.103239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.103239][   T10]      ___sys_sendmsg+0xee/0x170
[  214.103239][   T10]      __sys_sendmsg+0xcd/0x170
[  214.103239][   T10]      do_syscall_64+0xc6/0x1e0
[  214.103239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.103239][   T10] 
[  214.105132][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  214.105132][   T10]      neigh_parms_alloc+0x1e5/0x510
[  214.105132][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  214.105132][   T10]      ipv6_find_idev+0x102/0x170
[  214.105132][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  214.105132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.105132][   T10]      netlink_rcv_skb+0x130/0x360
[  214.105132][   T10]      netlink_unicast+0x449/0x710
[  214.105132][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.105132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.105132][   T10]      ___sys_sendmsg+0xee/0x170
[  214.105132][   T10]      __sys_sendmsg+0xcd/0x170
[  214.105132][   T10]      do_syscall_64+0xc6/0x1e0
[  214.105132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.105132][   T10] 
[  214.107327][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  214.107636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.107636][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  214.107636][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  214.107636][   T10]      fib6_nh_init+0xa22/0x1580
[  214.107636][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.107636][   T10]      ip6_route_add+0x1c/0x140
[  214.107636][   T10]      inet6_rtm_newroute+0x104/0x110
[  214.107636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.107636][   T10]      netlink_rcv_skb+0x130/0x360
[  214.107636][   T10]      netlink_unicast+0x449/0x710
[  214.107636][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.107636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.107636][   T10]      ___sys_sendmsg+0xee/0x170
[  214.107636][   T10]      __sys_sendmsg+0xcd/0x170
[  214.107636][   T10]      do_syscall_64+0xc6/0x1e0
[  214.107636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.107636][   T10] 
[  214.109916][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.109916][   T10]      dst_init+0x84/0x4a0
[  214.109916][   T10]      dst_alloc+0x97/0x150
[  214.109916][   T10]      ip6_dst_alloc+0x23/0x90
[  214.109916][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  214.109916][   T10]      ip6_pol_route+0x56f/0x840
[  214.109916][   T10]      fib6_rule_lookup+0x456/0x630
[  214.109916][   T10]      ip6_route_input+0x59c/0xa50
[  214.109916][   T10]      ipv6_rcv+0x397/0x810
[  214.109916][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  214.109916][   T10]      process_backlog+0x101/0x620
[  214.109916][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  214.109916][   T10]      net_rx_action+0x495/0xbe0
[  214.109916][   T10]      __do_softirq+0x1b5/0x7f6
[  214.109916][   T10] 
[  214.111834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.111834][   T10]      netdev_get_by_index+0x5e/0x80
[  214.111834][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.111834][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.111834][   T10]      addrconf_f6i_alloc+0x265/0x560
[  214.111834][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  214.111834][   T10]      addrconf_join_anycast+0x1c0/0x220
[  214.111834][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  214.111834][   T10]      addrconf_dad_completed+0x12b/0xe20
[  214.111834][   T10]      addrconf_dad_begin+0x310/0x670
[  214.111834][   T10]      addrconf_dad_work+0x10b/0xab0
[  214.111834][   T10]      process_one_work+0x84d/0x18a0
[  214.111834][   T10]      worker_thread+0x587/0xd30
[  214.111834][   T10]      kthread+0x28a/0x350
[  214.111834][   T10]      ret_from_fork+0x31/0x70
[  214.111834][   T10]      ret_from_fork_asm+0x1a/0x30
[  214.111834][   T10] 
[  214.114250][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.114250][   T10]      netdev_get_by_index+0x5e/0x80
[  214.114250][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.114250][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.114250][   T10]      ip6_route_add+0x1c/0x140
[  214.114250][   T10]      addrconf_prefix_route+0x2a6/0x430
[  214.114250][   T10]      inet6_addr_add+0x4f8/0xa40
[  214.114250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.114250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.114250][   T10]      netlink_rcv_skb+0x130/0x360
[  214.114250][   T10]      netlink_unicast+0x449/0x710
[  214.114250][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.114250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.114250][   T10]      ___sys_sendmsg+0xee/0x170
[  214.114250][   T10]      __sys_sendmsg+0xcd/0x170
[  214.114250][   T10]      do_syscall_64+0xc6/0x1e0
[  214.114250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.114250][   T10] 
[  214.116980][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.116980][   T10]      netdev_get_by_index+0x5e/0x80
[  214.116980][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.116980][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.116980][   T10]      addrconf_f6i_alloc+0x315/0x560
[  214.116980][   T10]      ipv6_add_addr+0x411/0x2000
[  214.116980][   T10]      inet6_addr_add+0x30e/0xa40
[  214.116980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.116980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.116980][   T10]      netlink_rcv_skb+0x130/0x360
[  214.116980][   T10]      netlink_unicast+0x449/0x710
[  214.116980][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.116980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.116980][   T10]      ___sys_sendmsg+0xee/0x170
[  214.116980][   T10]      __sys_sendmsg+0xcd/0x170
[  214.116980][   T10]      do_syscall_64+0xc6/0x1e0
[  214.116980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.116980][   T10] 
[  214.119565][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.119565][   T10]      netdev_get_by_index+0x5e/0x80
[  214.119565][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.119565][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.119565][   T10]      ip6_route_add+0x1c/0x140
[  214.119565][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  214.119565][   T10]      addrconf_add_dev+0xe2/0x170
[  214.119565][   T10]      inet6_addr_add+0x12f/0xa40
[  214.119565][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.119565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.119565][   T10]      netlink_rcv_skb+0x130/0x360
[  214.119565][   T10]      netlink_unicast+0x449/0x710
[  214.119565][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.119565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.119565][   T10]      ___sys_sendmsg+0xee/0x170
[  214.119565][   T10]      __sys_sendmsg+0xcd/0x170
[  214.119565][   T10]      do_syscall_64+0xc6/0x1e0
[  214.119565][   T10] 
[  214.122217][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.122217][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  214.122217][   T10]      ipv6_find_idev+0x102/0x170
[  214.122217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  214.122217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.122217][   T10]      netlink_rcv_skb+0x130/0x360
[  214.122217][   T10]      netlink_unicast+0x449/0x710
[  214.122217][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.122217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.122217][   T10]      ___sys_sendmsg+0xee/0x170
[  214.122217][   T10]      __sys_sendmsg+0xcd/0x170
[  214.122217][   T10]      do_syscall_64+0xc6/0x1e0
[  214.122217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.122217][   T10] 
[  214.124366][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  214.124366][   T10]      neigh_parms_alloc+0x1e5/0x510
[  214.124366][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  214.124366][   T10]      ipv6_find_idev+0x102/0x170
[  214.124366][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  214.124366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.124366][   T10]      netlink_rcv_skb+0x130/0x360
[  214.124366][   T10]      netlink_unicast+0x449/0x710
[  214.124366][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.124366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.124366][   T10]      ___sys_sendmsg+0xee/0x170
[  214.124366][   T10]      __sys_sendmsg+0xcd/0x170
[  214.124366][   T10]      do_syscall_64+0xc6/0x1e0
[  214.124366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.124366][   T10] 
[  214.126635][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  214.126915][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  214.126915][   T10]      netdev_get_by_index+0x5e/0x80
[  214.126915][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.126915][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.126915][   T10]      ip6_route_add+0x1c/0x140
[  214.126915][   T10]      addrconf_prefix_route+0x2a6/0x430
[  214.126915][   T10]      inet6_addr_add+0x4f8/0xa40
[  214.126915][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.126915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.126915][   T10]      netlink_rcv_skb+0x130/0x360
[  214.126915][   T10]      netlink_unicast+0x449/0x710
[  214.126915][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.126915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.126915][   T10]      ___sys_sendmsg+0xee/0x170
[  214.126915][   T10]      __sys_sendmsg+0xcd/0x170
[  214.126915][   T10]      do_syscall_64+0xc6/0x1e0
[  214.126915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.126915][   T10] 
[  214.129536][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  214.129536][   T10]      netdev_get_by_index+0x5e/0x80
[  214.129536][   T10]      fib6_nh_init+0x3d8/0x1580
[  214.129536][   T10]      ip6_route_info_create+0xf18/0x17d0
[  214.129536][   T10]      addrconf_f6i_alloc+0x315/0x560
[  214.129536][   T10]      ipv6_add_addr+0x411/0x2000
[  214.129536][   T10]      inet6_addr_add+0x30e/0xa40
[  214.129536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  214.129536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.129536][   T10]      netlink_rcv_skb+0x130/0x360
[  214.129536][   T10]      netlink_unicast+0x449/0x710
[  214.129536][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.129536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.129536][   T10]      ___sys_sendmsg+0xee/0x170
[  214.129536][   T10]      __sys_sendmsg+0xcd/0x170
[  214.129536][   T10]      do_syscall_64+0xc6/0x1e0
[  214.129536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.129536][   T10] 
[  214.132200][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  214.132200][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  214.132200][   T10]      ipv6_find_idev+0x102/0x170
[  214.132200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  214.132200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.132200][   T10]      netlink_rcv_skb+0x130/0x360
[  214.132200][   T10]      netlink_unicast+0x449/0x710
[  214.132200][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.132200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.132200][   T10]      ___sys_sendmsg+0xee/0x170
[  214.132200][   T10]      __sys_sendmsg+0xcd/0x170
[  214.132200][   T10]      do_syscall_64+0xc6/0x1e0
[  214.132200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.132200][   T10] 
[  214.134251][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  214.134251][   T10]      neigh_parms_alloc+0x1e5/0x510
[  214.134251][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  214.134251][   T10]      ipv6_find_idev+0x102/0x170
[  214.134251][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  214.134251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  214.134251][   T10]      netlink_rcv_skb+0x130/0x360
[  214.134251][   T10]      netlink_unicast+0x449/0x710
[  214.134251][   T10]      netlink_sendmsg+0x723/0xbe0
[  214.134251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  214.134251][   T10]      ___sys_sendmsg+0xee/0x170
[  214.134251][   T10]      __sys_sendmsg+0xcd/0x170
[  214.134251][   T10]      do_syscall_64+0xc6/0x1e0
[  214.134251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  214.134251][   T10] 
[  222.233180][ T1627] veth0: renamed from veth1
[  224.288687][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  224.289074][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.289074][   T10]      dst_init+0x84/0x4a0
[  224.289074][   T10]      dst_alloc+0x97/0x150
[  224.289074][   T10]      ip6_dst_alloc+0x23/0x90
[  224.289074][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  224.289074][   T10]      ip6_pol_route+0x56f/0x840
[  224.289074][   T10]      fib6_rule_lookup+0x456/0x630
[  224.289074][   T10]      ip6_route_input+0x59c/0xa50
[  224.289074][   T10]      ipv6_rcv+0x397/0x810
[  224.289074][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  224.289074][   T10]      process_backlog+0x101/0x620
[  224.289074][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  224.289074][   T10]      net_rx_action+0x495/0xbe0
[  224.289074][   T10]      __do_softirq+0x1b5/0x7f6
[  224.289074][   T10] 
[  224.290900][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.290900][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  224.290900][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  224.290900][   T10]      fib6_nh_init+0xa22/0x1580
[  224.290900][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.290900][   T10]      ip6_route_add+0x1c/0x140
[  224.290900][   T10]      inet6_rtm_newroute+0x104/0x110
[  224.290900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.290900][   T10]      netlink_rcv_skb+0x130/0x360
[  224.290900][   T10]      netlink_unicast+0x449/0x710
[  224.290900][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.290900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.290900][   T10]      ___sys_sendmsg+0xee/0x170
[  224.290900][   T10]      __sys_sendmsg+0xcd/0x170
[  224.290900][   T10]      do_syscall_64+0xc6/0x1e0
[  224.290900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.290900][   T10] 
[  224.292912][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.292912][   T10]      netdev_get_by_index+0x5e/0x80
[  224.292912][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.292912][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.292912][   T10]      addrconf_f6i_alloc+0x265/0x560
[  224.292912][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  224.292912][   T10]      addrconf_join_anycast+0x1c0/0x220
[  224.292912][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  224.292912][   T10]      addrconf_dad_completed+0x12b/0xe20
[  224.292912][   T10]      addrconf_dad_begin+0x310/0x670
[  224.292912][   T10]      addrconf_dad_work+0x10b/0xab0
[  224.292912][   T10]      process_one_work+0x84d/0x18a0
[  224.292912][   T10]      worker_thread+0x587/0xd30
[  224.292912][   T10]      kthread+0x28a/0x350
[  224.292912][   T10]      ret_from_fork+0x31/0x70
[  224.292912][   T10]      ret_from_fork_asm+0x1a/0x30
[  224.292912][   T10] 
[  224.295090][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.295090][   T10]      netdev_get_by_index+0x5e/0x80
[  224.295090][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.295090][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.295090][   T10]      ip6_route_add+0x1c/0x140
[  224.295090][   T10]      addrconf_prefix_route+0x2a6/0x430
[  224.295090][   T10]      inet6_addr_add+0x4f8/0xa40
[  224.295090][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.295090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.295090][   T10]      netlink_rcv_skb+0x130/0x360
[  224.295090][   T10]      netlink_unicast+0x449/0x710
[  224.295090][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.295090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.295090][   T10]      ___sys_sendmsg+0xee/0x170
[  224.295090][   T10]      __sys_sendmsg+0xcd/0x170
[  224.295090][   T10]      do_syscall_64+0xc6/0x1e0
[  224.295090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.295090][   T10] 
[  224.297221][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.297221][   T10]      netdev_get_by_index+0x5e/0x80
[  224.297221][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.297221][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.297221][   T10]      addrconf_f6i_alloc+0x315/0x560
[  224.297221][   T10]      ipv6_add_addr+0x411/0x2000
[  224.297221][   T10]      inet6_addr_add+0x30e/0xa40
[  224.297221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.297221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.297221][   T10]      netlink_rcv_skb+0x130/0x360
[  224.297221][   T10]      netlink_unicast+0x449/0x710
[  224.297221][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.297221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.297221][   T10]      ___sys_sendmsg+0xee/0x170
[  224.297221][   T10]      __sys_sendmsg+0xcd/0x170
[  224.297221][   T10]      do_syscall_64+0xc6/0x1e0
[  224.297221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.297221][   T10] 
[  224.299335][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.299335][   T10]      netdev_get_by_index+0x5e/0x80
[  224.299335][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.299335][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.299335][   T10]      ip6_route_add+0x1c/0x140
[  224.299335][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  224.299335][   T10]      addrconf_add_dev+0xe2/0x170
[  224.299335][   T10]      inet6_addr_add+0x12f/0xa40
[  224.299335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.299335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.299335][   T10]      netlink_rcv_skb+0x130/0x360
[  224.299335][   T10]      netlink_unicast+0x449/0x710
[  224.299335][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.299335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.299335][   T10]      ___sys_sendmsg+0xee/0x170
[  224.299335][   T10]      __sys_sendmsg+0xcd/0x170
[  224.299335][   T10]      do_syscall_64+0xc6/0x1e0
[  224.299335][   T10] 
[  224.301438][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.301438][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  224.301438][   T10]      ipv6_find_idev+0x102/0x170
[  224.301438][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  224.301438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.301438][   T10]      netlink_rcv_skb+0x130/0x360
[  224.301438][   T10]      netlink_unicast+0x449/0x710
[  224.301438][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.301438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.301438][   T10]      ___sys_sendmsg+0xee/0x170
[  224.301438][   T10]      __sys_sendmsg+0xcd/0x170
[  224.301438][   T10]      do_syscall_64+0xc6/0x1e0
[  224.301438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.301438][   T10] 
[  224.303089][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  224.303089][   T10]      neigh_parms_alloc+0x1e5/0x510
[  224.303089][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  224.303089][   T10]      ipv6_find_idev+0x102/0x170
[  224.303089][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  224.303089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.303089][   T10]      netlink_rcv_skb+0x130/0x360
[  224.303089][   T10]      netlink_unicast+0x449/0x710
[  224.303089][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.303089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.303089][   T10]      ___sys_sendmsg+0xee/0x170
[  224.303089][   T10]      __sys_sendmsg+0xcd/0x170
[  224.303089][   T10]      do_syscall_64+0xc6/0x1e0
[  224.303089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.303089][   T10] 
[  224.304966][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  224.305222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.305222][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  224.305222][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  224.305222][   T10]      fib6_nh_init+0xa22/0x1580
[  224.305222][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.305222][   T10]      ip6_route_add+0x1c/0x140
[  224.305222][   T10]      inet6_rtm_newroute+0x104/0x110
[  224.305222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.305222][   T10]      netlink_rcv_skb+0x130/0x360
[  224.305222][   T10]      netlink_unicast+0x449/0x710
[  224.305222][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.305222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.305222][   T10]      ___sys_sendmsg+0xee/0x170
[  224.305222][   T10]      __sys_sendmsg+0xcd/0x170
[  224.305222][   T10]      do_syscall_64+0xc6/0x1e0
[  224.305222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.305222][   T10] 
[  224.307335][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.307335][   T10]      dst_init+0x84/0x4a0
[  224.307335][   T10]      dst_alloc+0x97/0x150
[  224.307335][   T10]      ip6_dst_alloc+0x23/0x90
[  224.307335][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  224.307335][   T10]      ip6_pol_route+0x56f/0x840
[  224.307335][   T10]      fib6_rule_lookup+0x456/0x630
[  224.307335][   T10]      ip6_route_input+0x59c/0xa50
[  224.307335][   T10]      ipv6_rcv+0x397/0x810
[  224.307335][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  224.307335][   T10]      process_backlog+0x101/0x620
[  224.307335][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  224.307335][   T10]      net_rx_action+0x495/0xbe0
[  224.307335][   T10]      __do_softirq+0x1b5/0x7f6
[  224.307335][   T10] 
[  224.309163][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.309163][   T10]      netdev_get_by_index+0x5e/0x80
[  224.309163][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.309163][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.309163][   T10]      addrconf_f6i_alloc+0x265/0x560
[  224.309163][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  224.309163][   T10]      addrconf_join_anycast+0x1c0/0x220
[  224.309163][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  224.309163][   T10]      addrconf_dad_completed+0x12b/0xe20
[  224.309163][   T10]      addrconf_dad_begin+0x310/0x670
[  224.309163][   T10]      addrconf_dad_work+0x10b/0xab0
[  224.309163][   T10]      process_one_work+0x84d/0x18a0
[  224.309163][   T10]      worker_thread+0x587/0xd30
[  224.309163][   T10]      kthread+0x28a/0x350
[  224.309163][   T10]      ret_from_fork+0x31/0x70
[  224.309163][   T10]      ret_from_fork_asm+0x1a/0x30
[  224.309163][   T10] 
[  224.311397][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.311397][   T10]      netdev_get_by_index+0x5e/0x80
[  224.311397][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.311397][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.311397][   T10]      ip6_route_add+0x1c/0x140
[  224.311397][   T10]      addrconf_prefix_route+0x2a6/0x430
[  224.311397][   T10]      inet6_addr_add+0x4f8/0xa40
[  224.311397][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.311397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.311397][   T10]      netlink_rcv_skb+0x130/0x360
[  224.311397][   T10]      netlink_unicast+0x449/0x710
[  224.311397][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.311397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.311397][   T10]      ___sys_sendmsg+0xee/0x170
[  224.311397][   T10]      __sys_sendmsg+0xcd/0x170
[  224.311397][   T10]      do_syscall_64+0xc6/0x1e0
[  224.311397][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.311397][   T10] 
[  224.313698][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.313698][   T10]      netdev_get_by_index+0x5e/0x80
[  224.313698][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.313698][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.313698][   T10]      addrconf_f6i_alloc+0x315/0x560
[  224.313698][   T10]      ipv6_add_addr+0x411/0x2000
[  224.313698][   T10]      inet6_addr_add+0x30e/0xa40
[  224.313698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.313698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.313698][   T10]      netlink_rcv_skb+0x130/0x360
[  224.313698][   T10]      netlink_unicast+0x449/0x710
[  224.313698][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.313698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.313698][   T10]      ___sys_sendmsg+0xee/0x170
[  224.313698][   T10]      __sys_sendmsg+0xcd/0x170
[  224.313698][   T10]      do_syscall_64+0xc6/0x1e0
[  224.313698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.313698][   T10] 
[  224.316074][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.316074][   T10]      netdev_get_by_index+0x5e/0x80
[  224.316074][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.316074][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.316074][   T10]      ip6_route_add+0x1c/0x140
[  224.316074][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  224.316074][   T10]      addrconf_add_dev+0xe2/0x170
[  224.316074][   T10]      inet6_addr_add+0x12f/0xa40
[  224.316074][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.316074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.316074][   T10]      netlink_rcv_skb+0x130/0x360
[  224.316074][   T10]      netlink_unicast+0x449/0x710
[  224.316074][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.316074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.316074][   T10]      ___sys_sendmsg+0xee/0x170
[  224.316074][   T10]      __sys_sendmsg+0xcd/0x170
[  224.316074][   T10]      do_syscall_64+0xc6/0x1e0
[  224.316074][   T10] 
[  224.318344][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.318344][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  224.318344][   T10]      ipv6_find_idev+0x102/0x170
[  224.318344][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  224.318344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.318344][   T10]      netlink_rcv_skb+0x130/0x360
[  224.318344][   T10]      netlink_unicast+0x449/0x710
[  224.318344][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.318344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.318344][   T10]      ___sys_sendmsg+0xee/0x170
[  224.318344][   T10]      __sys_sendmsg+0xcd/0x170
[  224.318344][   T10]      do_syscall_64+0xc6/0x1e0
[  224.318344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.318344][   T10] 
[  224.320117][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  224.320117][   T10]      neigh_parms_alloc+0x1e5/0x510
[  224.320117][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  224.320117][   T10]      ipv6_find_idev+0x102/0x170
[  224.320117][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  224.320117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.320117][   T10]      netlink_rcv_skb+0x130/0x360
[  224.320117][   T10]      netlink_unicast+0x449/0x710
[  224.320117][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.320117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.320117][   T10]      ___sys_sendmsg+0xee/0x170
[  224.320117][   T10]      __sys_sendmsg+0xcd/0x170
[  224.320117][   T10]      do_syscall_64+0xc6/0x1e0
[  224.320117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.320117][   T10] 
[  224.322188][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  224.322444][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  224.322444][   T10]      netdev_get_by_index+0x5e/0x80
[  224.322444][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.322444][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.322444][   T10]      ip6_route_add+0x1c/0x140
[  224.322444][   T10]      addrconf_prefix_route+0x2a6/0x430
[  224.322444][   T10]      inet6_addr_add+0x4f8/0xa40
[  224.322444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.322444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.322444][   T10]      netlink_rcv_skb+0x130/0x360
[  224.322444][   T10]      netlink_unicast+0x449/0x710
[  224.322444][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.322444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.322444][   T10]      ___sys_sendmsg+0xee/0x170
[  224.322444][   T10]      __sys_sendmsg+0xcd/0x170
[  224.322444][   T10]      do_syscall_64+0xc6/0x1e0
[  224.322444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.322444][   T10] 
[  224.324893][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  224.324893][   T10]      netdev_get_by_index+0x5e/0x80
[  224.324893][   T10]      fib6_nh_init+0x3d8/0x1580
[  224.324893][   T10]      ip6_route_info_create+0xf18/0x17d0
[  224.324893][   T10]      addrconf_f6i_alloc+0x315/0x560
[  224.324893][   T10]      ipv6_add_addr+0x411/0x2000
[  224.324893][   T10]      inet6_addr_add+0x30e/0xa40
[  224.324893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  224.324893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.324893][   T10]      netlink_rcv_skb+0x130/0x360
[  224.324893][   T10]      netlink_unicast+0x449/0x710
[  224.324893][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.324893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.324893][   T10]      ___sys_sendmsg+0xee/0x170
[  224.324893][   T10]      __sys_sendmsg+0xcd/0x170
[  224.324893][   T10]      do_syscall_64+0xc6/0x1e0
[  224.324893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.324893][   T10] 
[  224.327240][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  224.327240][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  224.327240][   T10]      ipv6_find_idev+0x102/0x170
[  224.327240][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  224.327240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.327240][   T10]      netlink_rcv_skb+0x130/0x360
[  224.327240][   T10]      netlink_unicast+0x449/0x710
[  224.327240][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.327240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.327240][   T10]      ___sys_sendmsg+0xee/0x170
[  224.327240][   T10]      __sys_sendmsg+0xcd/0x170
[  224.327240][   T10]      do_syscall_64+0xc6/0x1e0
[  224.327240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.327240][   T10] 
[  224.329070][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  224.329070][   T10]      neigh_parms_alloc+0x1e5/0x510
[  224.329070][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  224.329070][   T10]      ipv6_find_idev+0x102/0x170
[  224.329070][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  224.329070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  224.329070][   T10]      netlink_rcv_skb+0x130/0x360
[  224.329070][   T10]      netlink_unicast+0x449/0x710
[  224.329070][   T10]      netlink_sendmsg+0x723/0xbe0
[  224.329070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  224.329070][   T10]      ___sys_sendmsg+0xee/0x170
[  224.329070][   T10]      __sys_sendmsg+0xcd/0x170
[  224.329070][   T10]      do_syscall_64+0xc6/0x1e0
[  224.329070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  224.329070][   T10] 
[  226.164685][ T1656] br0: port 1(vx0) entered blocking state
[  226.164907][ T1656] br0: port 1(vx0) entered disabled state
[  226.165092][ T1656] vx0: entered allmulticast mode
[  226.171927][ T1656] vx0: entered promiscuous mode
[  226.173701][ T1656] br0: port 1(vx0) entered blocking state
[  226.173877][ T1656] br0: port 1(vx0) entered forwarding state
[  231.611367][ T1686] br0: port 1(vx0) entered blocking state
[  231.611641][ T1686] br0: port 1(vx0) entered disabled state
[  231.611820][ T1686] vx0: entered allmulticast mode
[  231.613030][ T1686] vx0: entered promiscuous mode
[  231.614929][ T1686] br0: port 1(vx0) entered blocking state
[  231.615100][ T1686] br0: port 1(vx0) entered forwarding state
[  234.488646][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  234.488963][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.488963][   T10]      dst_init+0x84/0x4a0
[  234.488963][   T10]      dst_alloc+0x97/0x150
[  234.488963][   T10]      ip6_dst_alloc+0x23/0x90
[  234.488963][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  234.488963][   T10]      ip6_pol_route+0x56f/0x840
[  234.488963][   T10]      fib6_rule_lookup+0x456/0x630
[  234.488963][   T10]      ip6_route_input+0x59c/0xa50
[  234.488963][   T10]      ipv6_rcv+0x397/0x810
[  234.488963][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  234.488963][   T10]      process_backlog+0x101/0x620
[  234.488963][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  234.488963][   T10]      net_rx_action+0x495/0xbe0
[  234.488963][   T10]      __do_softirq+0x1b5/0x7f6
[  234.488963][   T10] 
[  234.490714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.490714][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  234.490714][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  234.490714][   T10]      fib6_nh_init+0xa22/0x1580
[  234.490714][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.490714][   T10]      ip6_route_add+0x1c/0x140
[  234.490714][   T10]      inet6_rtm_newroute+0x104/0x110
[  234.490714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.490714][   T10]      netlink_rcv_skb+0x130/0x360
[  234.490714][   T10]      netlink_unicast+0x449/0x710
[  234.490714][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.490714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.490714][   T10]      ___sys_sendmsg+0xee/0x170
[  234.490714][   T10]      __sys_sendmsg+0xcd/0x170
[  234.490714][   T10]      do_syscall_64+0xc6/0x1e0
[  234.490714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.490714][   T10] 
[  234.492644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.492644][   T10]      netdev_get_by_index+0x5e/0x80
[  234.492644][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.492644][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.492644][   T10]      addrconf_f6i_alloc+0x265/0x560
[  234.492644][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  234.492644][   T10]      addrconf_join_anycast+0x1c0/0x220
[  234.492644][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  234.492644][   T10]      addrconf_dad_completed+0x12b/0xe20
[  234.492644][   T10]      addrconf_dad_begin+0x310/0x670
[  234.492644][   T10]      addrconf_dad_work+0x10b/0xab0
[  234.492644][   T10]      process_one_work+0x84d/0x18a0
[  234.492644][   T10]      worker_thread+0x587/0xd30
[  234.492644][   T10]      kthread+0x28a/0x350
[  234.492644][   T10]      ret_from_fork+0x31/0x70
[  234.492644][   T10]      ret_from_fork_asm+0x1a/0x30
[  234.492644][   T10] 
[  234.494592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.494592][   T10]      netdev_get_by_index+0x5e/0x80
[  234.494592][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.494592][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.494592][   T10]      ip6_route_add+0x1c/0x140
[  234.494592][   T10]      addrconf_prefix_route+0x2a6/0x430
[  234.494592][   T10]      inet6_addr_add+0x4f8/0xa40
[  234.494592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.494592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.494592][   T10]      netlink_rcv_skb+0x130/0x360
[  234.494592][   T10]      netlink_unicast+0x449/0x710
[  234.494592][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.494592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.494592][   T10]      ___sys_sendmsg+0xee/0x170
[  234.494592][   T10]      __sys_sendmsg+0xcd/0x170
[  234.494592][   T10]      do_syscall_64+0xc6/0x1e0
[  234.494592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.494592][   T10] 
[  234.496628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.496628][   T10]      netdev_get_by_index+0x5e/0x80
[  234.496628][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.496628][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.496628][   T10]      addrconf_f6i_alloc+0x315/0x560
[  234.496628][   T10]      ipv6_add_addr+0x411/0x2000
[  234.496628][   T10]      inet6_addr_add+0x30e/0xa40
[  234.496628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.496628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.496628][   T10]      netlink_rcv_skb+0x130/0x360
[  234.496628][   T10]      netlink_unicast+0x449/0x710
[  234.496628][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.496628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.496628][   T10]      ___sys_sendmsg+0xee/0x170
[  234.496628][   T10]      __sys_sendmsg+0xcd/0x170
[  234.496628][   T10]      do_syscall_64+0xc6/0x1e0
[  234.496628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.496628][   T10] 
[  234.498665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.498665][   T10]      netdev_get_by_index+0x5e/0x80
[  234.498665][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.498665][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.498665][   T10]      ip6_route_add+0x1c/0x140
[  234.498665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  234.498665][   T10]      addrconf_add_dev+0xe2/0x170
[  234.498665][   T10]      inet6_addr_add+0x12f/0xa40
[  234.498665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.498665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.498665][   T10]      netlink_rcv_skb+0x130/0x360
[  234.498665][   T10]      netlink_unicast+0x449/0x710
[  234.498665][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.498665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.498665][   T10]      ___sys_sendmsg+0xee/0x170
[  234.498665][   T10]      __sys_sendmsg+0xcd/0x170
[  234.498665][   T10]      do_syscall_64+0xc6/0x1e0
[  234.498665][   T10] 
[  234.500664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.500664][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  234.500664][   T10]      ipv6_find_idev+0x102/0x170
[  234.500664][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  234.500664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.500664][   T10]      netlink_rcv_skb+0x130/0x360
[  234.500664][   T10]      netlink_unicast+0x449/0x710
[  234.500664][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.500664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.500664][   T10]      ___sys_sendmsg+0xee/0x170
[  234.500664][   T10]      __sys_sendmsg+0xcd/0x170
[  234.500664][   T10]      do_syscall_64+0xc6/0x1e0
[  234.500664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.500664][   T10] 
[  234.502244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  234.502244][   T10]      neigh_parms_alloc+0x1e5/0x510
[  234.502244][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  234.502244][   T10]      ipv6_find_idev+0x102/0x170
[  234.502244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  234.502244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.502244][   T10]      netlink_rcv_skb+0x130/0x360
[  234.502244][   T10]      netlink_unicast+0x449/0x710
[  234.502244][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.502244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.502244][   T10]      ___sys_sendmsg+0xee/0x170
[  234.502244][   T10]      __sys_sendmsg+0xcd/0x170
[  234.502244][   T10]      do_syscall_64+0xc6/0x1e0
[  234.502244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.502244][   T10] 
[  234.504020][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  234.504273][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.504273][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  234.504273][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  234.504273][   T10]      fib6_nh_init+0xa22/0x1580
[  234.504273][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.504273][   T10]      ip6_route_add+0x1c/0x140
[  234.504273][   T10]      inet6_rtm_newroute+0x104/0x110
[  234.504273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.504273][   T10]      netlink_rcv_skb+0x130/0x360
[  234.504273][   T10]      netlink_unicast+0x449/0x710
[  234.504273][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.504273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.504273][   T10]      ___sys_sendmsg+0xee/0x170
[  234.504273][   T10]      __sys_sendmsg+0xcd/0x170
[  234.504273][   T10]      do_syscall_64+0xc6/0x1e0
[  234.504273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.504273][   T10] 
[  234.506201][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.506201][   T10]      dst_init+0x84/0x4a0
[  234.506201][   T10]      dst_alloc+0x97/0x150
[  234.506201][   T10]      ip6_dst_alloc+0x23/0x90
[  234.506201][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  234.506201][   T10]      ip6_pol_route+0x56f/0x840
[  234.506201][   T10]      fib6_rule_lookup+0x456/0x630
[  234.506201][   T10]      ip6_route_input+0x59c/0xa50
[  234.506201][   T10]      ipv6_rcv+0x397/0x810
[  234.506201][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  234.506201][   T10]      process_backlog+0x101/0x620
[  234.506201][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  234.506201][   T10]      net_rx_action+0x495/0xbe0
[  234.506201][   T10]      __do_softirq+0x1b5/0x7f6
[  234.506201][   T10] 
[  234.507863][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.507863][   T10]      netdev_get_by_index+0x5e/0x80
[  234.507863][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.507863][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.507863][   T10]      addrconf_f6i_alloc+0x265/0x560
[  234.507863][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  234.507863][   T10]      addrconf_join_anycast+0x1c0/0x220
[  234.507863][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  234.507863][   T10]      addrconf_dad_completed+0x12b/0xe20
[  234.507863][   T10]      addrconf_dad_begin+0x310/0x670
[  234.507863][   T10]      addrconf_dad_work+0x10b/0xab0
[  234.507863][   T10]      process_one_work+0x84d/0x18a0
[  234.507863][   T10]      worker_thread+0x587/0xd30
[  234.507863][   T10]      kthread+0x28a/0x350
[  234.507863][   T10]      ret_from_fork+0x31/0x70
[  234.507863][   T10]      ret_from_fork_asm+0x1a/0x30
[  234.507863][   T10] 
[  234.509802][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.509802][   T10]      netdev_get_by_index+0x5e/0x80
[  234.509802][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.509802][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.509802][   T10]      ip6_route_add+0x1c/0x140
[  234.509802][   T10]      addrconf_prefix_route+0x2a6/0x430
[  234.509802][   T10]      inet6_addr_add+0x4f8/0xa40
[  234.509802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.509802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.509802][   T10]      netlink_rcv_skb+0x130/0x360
[  234.509802][   T10]      netlink_unicast+0x449/0x710
[  234.509802][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.509802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.509802][   T10]      ___sys_sendmsg+0xee/0x170
[  234.509802][   T10]      __sys_sendmsg+0xcd/0x170
[  234.509802][   T10]      do_syscall_64+0xc6/0x1e0
[  234.509802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.509802][   T10] 
[  234.512093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.512093][   T10]      netdev_get_by_index+0x5e/0x80
[  234.512093][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.512093][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.512093][   T10]      addrconf_f6i_alloc+0x315/0x560
[  234.512093][   T10]      ipv6_add_addr+0x411/0x2000
[  234.512093][   T10]      inet6_addr_add+0x30e/0xa40
[  234.512093][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.512093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.512093][   T10]      netlink_rcv_skb+0x130/0x360
[  234.512093][   T10]      netlink_unicast+0x449/0x710
[  234.512093][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.512093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.512093][   T10]      ___sys_sendmsg+0xee/0x170
[  234.512093][   T10]      __sys_sendmsg+0xcd/0x170
[  234.512093][   T10]      do_syscall_64+0xc6/0x1e0
[  234.512093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.512093][   T10] 
[  234.514391][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.514391][   T10]      netdev_get_by_index+0x5e/0x80
[  234.514391][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.514391][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.514391][   T10]      ip6_route_add+0x1c/0x140
[  234.514391][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  234.514391][   T10]      addrconf_add_dev+0xe2/0x170
[  234.514391][   T10]      inet6_addr_add+0x12f/0xa40
[  234.514391][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.514391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.514391][   T10]      netlink_rcv_skb+0x130/0x360
[  234.514391][   T10]      netlink_unicast+0x449/0x710
[  234.514391][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.514391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.514391][   T10]      ___sys_sendmsg+0xee/0x170
[  234.514391][   T10]      __sys_sendmsg+0xcd/0x170
[  234.514391][   T10]      do_syscall_64+0xc6/0x1e0
[  234.514391][   T10] 
[  234.516583][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.516583][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  234.516583][   T10]      ipv6_find_idev+0x102/0x170
[  234.516583][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  234.516583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.516583][   T10]      netlink_rcv_skb+0x130/0x360
[  234.516583][   T10]      netlink_unicast+0x449/0x710
[  234.516583][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.516583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.516583][   T10]      ___sys_sendmsg+0xee/0x170
[  234.516583][   T10]      __sys_sendmsg+0xcd/0x170
[  234.516583][   T10]      do_syscall_64+0xc6/0x1e0
[  234.516583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.516583][   T10] 
[  234.518345][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  234.518345][   T10]      neigh_parms_alloc+0x1e5/0x510
[  234.518345][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  234.518345][   T10]      ipv6_find_idev+0x102/0x170
[  234.518345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  234.518345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.518345][   T10]      netlink_rcv_skb+0x130/0x360
[  234.518345][   T10]      netlink_unicast+0x449/0x710
[  234.518345][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.518345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.518345][   T10]      ___sys_sendmsg+0xee/0x170
[  234.518345][   T10]      __sys_sendmsg+0xcd/0x170
[  234.518345][   T10]      do_syscall_64+0xc6/0x1e0
[  234.518345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.518345][   T10] 
[  234.520359][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  234.520616][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  234.520616][   T10]      netdev_get_by_index+0x5e/0x80
[  234.520616][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.520616][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.520616][   T10]      ip6_route_add+0x1c/0x140
[  234.520616][   T10]      addrconf_prefix_route+0x2a6/0x430
[  234.520616][   T10]      inet6_addr_add+0x4f8/0xa40
[  234.520616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.520616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.520616][   T10]      netlink_rcv_skb+0x130/0x360
[  234.520616][   T10]      netlink_unicast+0x449/0x710
[  234.520616][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.520616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.520616][   T10]      ___sys_sendmsg+0xee/0x170
[  234.520616][   T10]      __sys_sendmsg+0xcd/0x170
[  234.520616][   T10]      do_syscall_64+0xc6/0x1e0
[  234.520616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.520616][   T10] 
[  234.522885][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  234.522885][   T10]      netdev_get_by_index+0x5e/0x80
[  234.522885][   T10]      fib6_nh_init+0x3d8/0x1580
[  234.522885][   T10]      ip6_route_info_create+0xf18/0x17d0
[  234.522885][   T10]      addrconf_f6i_alloc+0x315/0x560
[  234.522885][   T10]      ipv6_add_addr+0x411/0x2000
[  234.522885][   T10]      inet6_addr_add+0x30e/0xa40
[  234.522885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  234.522885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.522885][   T10]      netlink_rcv_skb+0x130/0x360
[  234.522885][   T10]      netlink_unicast+0x449/0x710
[  234.522885][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.522885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.522885][   T10]      ___sys_sendmsg+0xee/0x170
[  234.522885][   T10]      __sys_sendmsg+0xcd/0x170
[  234.522885][   T10]      do_syscall_64+0xc6/0x1e0
[  234.522885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.522885][   T10] 
[  234.525134][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  234.525134][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  234.525134][   T10]      ipv6_find_idev+0x102/0x170
[  234.525134][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  234.525134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.525134][   T10]      netlink_rcv_skb+0x130/0x360
[  234.525134][   T10]      netlink_unicast+0x449/0x710
[  234.525134][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.525134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.525134][   T10]      ___sys_sendmsg+0xee/0x170
[  234.525134][   T10]      __sys_sendmsg+0xcd/0x170
[  234.525134][   T10]      do_syscall_64+0xc6/0x1e0
[  234.525134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.525134][   T10] 
[  234.526913][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  234.526913][   T10]      neigh_parms_alloc+0x1e5/0x510
[  234.526913][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  234.526913][   T10]      ipv6_find_idev+0x102/0x170
[  234.526913][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  234.526913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  234.526913][   T10]      netlink_rcv_skb+0x130/0x360
[  234.526913][   T10]      netlink_unicast+0x449/0x710
[  234.526913][   T10]      netlink_sendmsg+0x723/0xbe0
[  234.526913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  234.526913][   T10]      ___sys_sendmsg+0xee/0x170
[  234.526913][   T10]      __sys_sendmsg+0xcd/0x170
[  234.526913][   T10]      do_syscall_64+0xc6/0x1e0
[  234.526913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  234.526913][   T10] 
[  235.669551][ T1716] veth0: renamed from veth1
[  239.582697][ T1744] br0: port 1(vx0) entered blocking state
[  239.582974][ T1744] br0: port 1(vx0) entered disabled state
[  239.583162][ T1744] vx0: entered allmulticast mode
[  239.584314][ T1744] vx0: entered promiscuous mode
[  239.586152][ T1744] br0: port 1(vx0) entered blocking state
[  239.586330][ T1744] br0: port 1(vx0) entered forwarding state
[  244.664693][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  244.665449][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.665449][   T10]      dst_init+0x84/0x4a0
[  244.665449][   T10]      dst_alloc+0x97/0x150
[  244.665449][   T10]      ip6_dst_alloc+0x23/0x90
[  244.665449][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  244.665449][   T10]      ip6_pol_route+0x56f/0x840
[  244.665449][   T10]      fib6_rule_lookup+0x456/0x630
[  244.665449][   T10]      ip6_route_input+0x59c/0xa50
[  244.665449][   T10]      ipv6_rcv+0x397/0x810
[  244.665449][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  244.665449][   T10]      process_backlog+0x101/0x620
[  244.665449][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  244.665449][   T10]      net_rx_action+0x495/0xbe0
[  244.665449][   T10]      __do_softirq+0x1b5/0x7f6
[  244.665449][   T10] 
[  244.667438][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.667438][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  244.667438][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  244.667438][   T10]      fib6_nh_init+0xa22/0x1580
[  244.667438][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.667438][   T10]      ip6_route_add+0x1c/0x140
[  244.667438][   T10]      inet6_rtm_newroute+0x104/0x110
[  244.667438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.667438][   T10]      netlink_rcv_skb+0x130/0x360
[  244.667438][   T10]      netlink_unicast+0x449/0x710
[  244.667438][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.667438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.667438][   T10]      ___sys_sendmsg+0xee/0x170
[  244.667438][   T10]      __sys_sendmsg+0xcd/0x170
[  244.667438][   T10]      do_syscall_64+0xc6/0x1e0
[  244.667438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.667438][   T10] 
[  244.669620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.669620][   T10]      netdev_get_by_index+0x5e/0x80
[  244.669620][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.669620][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.669620][   T10]      addrconf_f6i_alloc+0x265/0x560
[  244.669620][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  244.669620][   T10]      addrconf_join_anycast+0x1c0/0x220
[  244.669620][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  244.669620][   T10]      addrconf_dad_completed+0x12b/0xe20
[  244.669620][   T10]      addrconf_dad_begin+0x310/0x670
[  244.669620][   T10]      addrconf_dad_work+0x10b/0xab0
[  244.669620][   T10]      process_one_work+0x84d/0x18a0
[  244.669620][   T10]      worker_thread+0x587/0xd30
[  244.669620][   T10]      kthread+0x28a/0x350
[  244.669620][   T10]      ret_from_fork+0x31/0x70
[  244.669620][   T10]      ret_from_fork_asm+0x1a/0x30
[  244.669620][   T10] 
[  244.671790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.671790][   T10]      netdev_get_by_index+0x5e/0x80
[  244.671790][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.671790][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.671790][   T10]      ip6_route_add+0x1c/0x140
[  244.671790][   T10]      addrconf_prefix_route+0x2a6/0x430
[  244.671790][   T10]      inet6_addr_add+0x4f8/0xa40
[  244.671790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.671790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.671790][   T10]      netlink_rcv_skb+0x130/0x360
[  244.671790][   T10]      netlink_unicast+0x449/0x710
[  244.671790][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.671790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.671790][   T10]      ___sys_sendmsg+0xee/0x170
[  244.671790][   T10]      __sys_sendmsg+0xcd/0x170
[  244.671790][   T10]      do_syscall_64+0xc6/0x1e0
[  244.671790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.671790][   T10] 
[  244.674044][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.674044][   T10]      netdev_get_by_index+0x5e/0x80
[  244.674044][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.674044][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.674044][   T10]      addrconf_f6i_alloc+0x315/0x560
[  244.674044][   T10]      ipv6_add_addr+0x411/0x2000
[  244.674044][   T10]      inet6_addr_add+0x30e/0xa40
[  244.674044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.674044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.674044][   T10]      netlink_rcv_skb+0x130/0x360
[  244.674044][   T10]      netlink_unicast+0x449/0x710
[  244.674044][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.674044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.674044][   T10]      ___sys_sendmsg+0xee/0x170
[  244.674044][   T10]      __sys_sendmsg+0xcd/0x170
[  244.674044][   T10]      do_syscall_64+0xc6/0x1e0
[  244.674044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.674044][   T10] 
[  244.676404][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.676404][   T10]      netdev_get_by_index+0x5e/0x80
[  244.676404][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.676404][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.676404][   T10]      ip6_route_add+0x1c/0x140
[  244.676404][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  244.676404][   T10]      addrconf_add_dev+0xe2/0x170
[  244.676404][   T10]      inet6_addr_add+0x12f/0xa40
[  244.676404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.676404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.676404][   T10]      netlink_rcv_skb+0x130/0x360
[  244.676404][   T10]      netlink_unicast+0x449/0x710
[  244.676404][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.676404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.676404][   T10]      ___sys_sendmsg+0xee/0x170
[  244.676404][   T10]      __sys_sendmsg+0xcd/0x170
[  244.676404][   T10]      do_syscall_64+0xc6/0x1e0
[  244.676404][   T10] 
[  244.678710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.678710][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  244.678710][   T10]      ipv6_find_idev+0x102/0x170
[  244.678710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  244.678710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.678710][   T10]      netlink_rcv_skb+0x130/0x360
[  244.678710][   T10]      netlink_unicast+0x449/0x710
[  244.678710][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.678710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.678710][   T10]      ___sys_sendmsg+0xee/0x170
[  244.678710][   T10]      __sys_sendmsg+0xcd/0x170
[  244.678710][   T10]      do_syscall_64+0xc6/0x1e0
[  244.678710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.678710][   T10] 
[  244.680511][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  244.680511][   T10]      neigh_parms_alloc+0x1e5/0x510
[  244.680511][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  244.680511][   T10]      ipv6_find_idev+0x102/0x170
[  244.680511][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  244.680511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.680511][   T10]      netlink_rcv_skb+0x130/0x360
[  244.680511][   T10]      netlink_unicast+0x449/0x710
[  244.680511][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.680511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.680511][   T10]      ___sys_sendmsg+0xee/0x170
[  244.680511][   T10]      __sys_sendmsg+0xcd/0x170
[  244.680511][   T10]      do_syscall_64+0xc6/0x1e0
[  244.680511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.680511][   T10] 
[  244.682408][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  244.682687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.682687][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  244.682687][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  244.682687][   T10]      fib6_nh_init+0xa22/0x1580
[  244.682687][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.682687][   T10]      ip6_route_add+0x1c/0x140
[  244.682687][   T10]      inet6_rtm_newroute+0x104/0x110
[  244.682687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.682687][   T10]      netlink_rcv_skb+0x130/0x360
[  244.682687][   T10]      netlink_unicast+0x449/0x710
[  244.682687][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.682687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.682687][   T10]      ___sys_sendmsg+0xee/0x170
[  244.682687][   T10]      __sys_sendmsg+0xcd/0x170
[  244.682687][   T10]      do_syscall_64+0xc6/0x1e0
[  244.682687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.682687][   T10] 
[  244.684819][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.684819][   T10]      dst_init+0x84/0x4a0
[  244.684819][   T10]      dst_alloc+0x97/0x150
[  244.684819][   T10]      ip6_dst_alloc+0x23/0x90
[  244.684819][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  244.684819][   T10]      ip6_pol_route+0x56f/0x840
[  244.684819][   T10]      fib6_rule_lookup+0x456/0x630
[  244.684819][   T10]      ip6_route_input+0x59c/0xa50
[  244.684819][   T10]      ipv6_rcv+0x397/0x810
[  244.684819][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  244.684819][   T10]      process_backlog+0x101/0x620
[  244.684819][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  244.684819][   T10]      net_rx_action+0x495/0xbe0
[  244.684819][   T10]      __do_softirq+0x1b5/0x7f6
[  244.684819][   T10] 
[  244.686776][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.686776][   T10]      netdev_get_by_index+0x5e/0x80
[  244.686776][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.686776][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.686776][   T10]      addrconf_f6i_alloc+0x265/0x560
[  244.686776][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  244.686776][   T10]      addrconf_join_anycast+0x1c0/0x220
[  244.686776][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  244.686776][   T10]      addrconf_dad_completed+0x12b/0xe20
[  244.686776][   T10]      addrconf_dad_begin+0x310/0x670
[  244.686776][   T10]      addrconf_dad_work+0x10b/0xab0
[  244.686776][   T10]      process_one_work+0x84d/0x18a0
[  244.686776][   T10]      worker_thread+0x587/0xd30
[  244.686776][   T10]      kthread+0x28a/0x350
[  244.686776][   T10]      ret_from_fork+0x31/0x70
[  244.686776][   T10]      ret_from_fork_asm+0x1a/0x30
[  244.686776][   T10] 
[  244.689261][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.689261][   T10]      netdev_get_by_index+0x5e/0x80
[  244.689261][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.689261][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.689261][   T10]      ip6_route_add+0x1c/0x140
[  244.689261][   T10]      addrconf_prefix_route+0x2a6/0x430
[  244.689261][   T10]      inet6_addr_add+0x4f8/0xa40
[  244.689261][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.689261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.689261][   T10]      netlink_rcv_skb+0x130/0x360
[  244.689261][   T10]      netlink_unicast+0x449/0x710
[  244.689261][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.689261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.689261][   T10]      ___sys_sendmsg+0xee/0x170
[  244.689261][   T10]      __sys_sendmsg+0xcd/0x170
[  244.689261][   T10]      do_syscall_64+0xc6/0x1e0
[  244.689261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.689261][   T10] 
[  244.691907][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.691907][   T10]      netdev_get_by_index+0x5e/0x80
[  244.691907][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.691907][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.691907][   T10]      addrconf_f6i_alloc+0x315/0x560
[  244.691907][   T10]      ipv6_add_addr+0x411/0x2000
[  244.691907][   T10]      inet6_addr_add+0x30e/0xa40
[  244.691907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.691907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.691907][   T10]      netlink_rcv_skb+0x130/0x360
[  244.691907][   T10]      netlink_unicast+0x449/0x710
[  244.691907][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.691907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.691907][   T10]      ___sys_sendmsg+0xee/0x170
[  244.691907][   T10]      __sys_sendmsg+0xcd/0x170
[  244.691907][   T10]      do_syscall_64+0xc6/0x1e0
[  244.691907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.691907][   T10] 
[  244.694668][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.694668][   T10]      netdev_get_by_index+0x5e/0x80
[  244.694668][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.694668][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.694668][   T10]      ip6_route_add+0x1c/0x140
[  244.694668][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  244.694668][   T10]      addrconf_add_dev+0xe2/0x170
[  244.694668][   T10]      inet6_addr_add+0x12f/0xa40
[  244.694668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.694668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.694668][   T10]      netlink_rcv_skb+0x130/0x360
[  244.694668][   T10]      netlink_unicast+0x449/0x710
[  244.694668][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.694668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.694668][   T10]      ___sys_sendmsg+0xee/0x170
[  244.694668][   T10]      __sys_sendmsg+0xcd/0x170
[  244.694668][   T10]      do_syscall_64+0xc6/0x1e0
[  244.694668][   T10] 
[  244.697263][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.697263][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  244.697263][   T10]      ipv6_find_idev+0x102/0x170
[  244.697263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  244.697263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.697263][   T10]      netlink_rcv_skb+0x130/0x360
[  244.697263][   T10]      netlink_unicast+0x449/0x710
[  244.697263][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.697263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.697263][   T10]      ___sys_sendmsg+0xee/0x170
[  244.697263][   T10]      __sys_sendmsg+0xcd/0x170
[  244.697263][   T10]      do_syscall_64+0xc6/0x1e0
[  244.697263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.697263][   T10] 
[  244.699300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  244.699300][   T10]      neigh_parms_alloc+0x1e5/0x510
[  244.699300][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  244.699300][   T10]      ipv6_find_idev+0x102/0x170
[  244.699300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  244.699300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.699300][   T10]      netlink_rcv_skb+0x130/0x360
[  244.699300][   T10]      netlink_unicast+0x449/0x710
[  244.699300][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.699300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.699300][   T10]      ___sys_sendmsg+0xee/0x170
[  244.699300][   T10]      __sys_sendmsg+0xcd/0x170
[  244.699300][   T10]      do_syscall_64+0xc6/0x1e0
[  244.699300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.699300][   T10] 
[  244.701610][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  244.701956][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  244.701956][   T10]      netdev_get_by_index+0x5e/0x80
[  244.701956][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.701956][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.701956][   T10]      ip6_route_add+0x1c/0x140
[  244.701956][   T10]      addrconf_prefix_route+0x2a6/0x430
[  244.701956][   T10]      inet6_addr_add+0x4f8/0xa40
[  244.701956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.701956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.701956][   T10]      netlink_rcv_skb+0x130/0x360
[  244.701956][   T10]      netlink_unicast+0x449/0x710
[  244.701956][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.701956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.701956][   T10]      ___sys_sendmsg+0xee/0x170
[  244.701956][   T10]      __sys_sendmsg+0xcd/0x170
[  244.701956][   T10]      do_syscall_64+0xc6/0x1e0
[  244.701956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.701956][   T10] 
[  244.704286][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  244.704286][   T10]      netdev_get_by_index+0x5e/0x80
[  244.704286][   T10]      fib6_nh_init+0x3d8/0x1580
[  244.704286][   T10]      ip6_route_info_create+0xf18/0x17d0
[  244.704286][   T10]      addrconf_f6i_alloc+0x315/0x560
[  244.704286][   T10]      ipv6_add_addr+0x411/0x2000
[  244.704286][   T10]      inet6_addr_add+0x30e/0xa40
[  244.704286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  244.704286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.704286][   T10]      netlink_rcv_skb+0x130/0x360
[  244.704286][   T10]      netlink_unicast+0x449/0x710
[  244.704286][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.704286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.704286][   T10]      ___sys_sendmsg+0xee/0x170
[  244.704286][   T10]      __sys_sendmsg+0xcd/0x170
[  244.704286][   T10]      do_syscall_64+0xc6/0x1e0
[  244.704286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.704286][   T10] 
[  244.706953][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  244.706953][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  244.706953][   T10]      ipv6_find_idev+0x102/0x170
[  244.706953][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  244.706953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.706953][   T10]      netlink_rcv_skb+0x130/0x360
[  244.706953][   T10]      netlink_unicast+0x449/0x710
[  244.706953][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.706953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.706953][   T10]      ___sys_sendmsg+0xee/0x170
[  244.706953][   T10]      __sys_sendmsg+0xcd/0x170
[  244.706953][   T10]      do_syscall_64+0xc6/0x1e0
[  244.706953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.706953][   T10] 
[  244.708856][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  244.708856][   T10]      neigh_parms_alloc+0x1e5/0x510
[  244.708856][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  244.708856][   T10]      ipv6_find_idev+0x102/0x170
[  244.708856][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  244.708856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  244.708856][   T10]      netlink_rcv_skb+0x130/0x360
[  244.708856][   T10]      netlink_unicast+0x449/0x710
[  244.708856][   T10]      netlink_sendmsg+0x723/0xbe0
[  244.708856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  244.708856][   T10]      ___sys_sendmsg+0xee/0x170
[  244.708856][   T10]      __sys_sendmsg+0xcd/0x170
[  244.708856][   T10]      do_syscall_64+0xc6/0x1e0
[  244.708856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  244.708856][   T10] 
[  244.932799][ T1774] br0: port 1(vx0) entered blocking state
[  244.933028][ T1774] br0: port 1(vx0) entered disabled state
[  244.933249][ T1774] vx0: entered allmulticast mode
[  244.934646][ T1774] vx0: entered promiscuous mode
[  244.936534][ T1774] br0: port 1(vx0) entered blocking state
[  244.936736][ T1774] br0: port 1(vx0) entered forwarding state
[  254.809606][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  254.809944][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.809944][   T10]      dst_init+0x84/0x4a0
[  254.809944][   T10]      dst_alloc+0x97/0x150
[  254.809944][   T10]      ip6_dst_alloc+0x23/0x90
[  254.809944][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  254.809944][   T10]      ip6_pol_route+0x56f/0x840
[  254.809944][   T10]      fib6_rule_lookup+0x456/0x630
[  254.809944][   T10]      ip6_route_input+0x59c/0xa50
[  254.809944][   T10]      ipv6_rcv+0x397/0x810
[  254.809944][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  254.809944][   T10]      process_backlog+0x101/0x620
[  254.809944][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  254.809944][   T10]      net_rx_action+0x495/0xbe0
[  254.809944][   T10]      __do_softirq+0x1b5/0x7f6
[  254.809944][   T10] 
[  254.811661][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.811661][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  254.811661][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  254.811661][   T10]      fib6_nh_init+0xa22/0x1580
[  254.811661][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.811661][   T10]      ip6_route_add+0x1c/0x140
[  254.811661][   T10]      inet6_rtm_newroute+0x104/0x110
[  254.811661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.811661][   T10]      netlink_rcv_skb+0x130/0x360
[  254.811661][   T10]      netlink_unicast+0x449/0x710
[  254.811661][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.811661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.811661][   T10]      ___sys_sendmsg+0xee/0x170
[  254.811661][   T10]      __sys_sendmsg+0xcd/0x170
[  254.811661][   T10]      do_syscall_64+0xc6/0x1e0
[  254.811661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.811661][   T10] 
[  254.813600][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.813600][   T10]      netdev_get_by_index+0x5e/0x80
[  254.813600][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.813600][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.813600][   T10]      addrconf_f6i_alloc+0x265/0x560
[  254.813600][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  254.813600][   T10]      addrconf_join_anycast+0x1c0/0x220
[  254.813600][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  254.813600][   T10]      addrconf_dad_completed+0x12b/0xe20
[  254.813600][   T10]      addrconf_dad_begin+0x310/0x670
[  254.813600][   T10]      addrconf_dad_work+0x10b/0xab0
[  254.813600][   T10]      process_one_work+0x84d/0x18a0
[  254.813600][   T10]      worker_thread+0x587/0xd30
[  254.813600][   T10]      kthread+0x28a/0x350
[  254.813600][   T10]      ret_from_fork+0x31/0x70
[  254.813600][   T10]      ret_from_fork_asm+0x1a/0x30
[  254.813600][   T10] 
[  254.815600][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.815600][   T10]      netdev_get_by_index+0x5e/0x80
[  254.815600][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.815600][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.815600][   T10]      ip6_route_add+0x1c/0x140
[  254.815600][   T10]      addrconf_prefix_route+0x2a6/0x430
[  254.815600][   T10]      inet6_addr_add+0x4f8/0xa40
[  254.815600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.815600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.815600][   T10]      netlink_rcv_skb+0x130/0x360
[  254.815600][   T10]      netlink_unicast+0x449/0x710
[  254.815600][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.815600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.815600][   T10]      ___sys_sendmsg+0xee/0x170
[  254.815600][   T10]      __sys_sendmsg+0xcd/0x170
[  254.815600][   T10]      do_syscall_64+0xc6/0x1e0
[  254.815600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.815600][   T10] 
[  254.817615][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.817615][   T10]      netdev_get_by_index+0x5e/0x80
[  254.817615][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.817615][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.817615][   T10]      addrconf_f6i_alloc+0x315/0x560
[  254.817615][   T10]      ipv6_add_addr+0x411/0x2000
[  254.817615][   T10]      inet6_addr_add+0x30e/0xa40
[  254.817615][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.817615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.817615][   T10]      netlink_rcv_skb+0x130/0x360
[  254.817615][   T10]      netlink_unicast+0x449/0x710
[  254.817615][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.817615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.817615][   T10]      ___sys_sendmsg+0xee/0x170
[  254.817615][   T10]      __sys_sendmsg+0xcd/0x170
[  254.817615][   T10]      do_syscall_64+0xc6/0x1e0
[  254.817615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.817615][   T10] 
[  254.819643][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.819643][   T10]      netdev_get_by_index+0x5e/0x80
[  254.819643][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.819643][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.819643][   T10]      ip6_route_add+0x1c/0x140
[  254.819643][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  254.819643][   T10]      addrconf_add_dev+0xe2/0x170
[  254.819643][   T10]      inet6_addr_add+0x12f/0xa40
[  254.819643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.819643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.819643][   T10]      netlink_rcv_skb+0x130/0x360
[  254.819643][   T10]      netlink_unicast+0x449/0x710
[  254.819643][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.819643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.819643][   T10]      ___sys_sendmsg+0xee/0x170
[  254.819643][   T10]      __sys_sendmsg+0xcd/0x170
[  254.819643][   T10]      do_syscall_64+0xc6/0x1e0
[  254.819643][   T10] 
[  254.821634][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.821634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  254.821634][   T10]      ipv6_find_idev+0x102/0x170
[  254.821634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  254.821634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.821634][   T10]      netlink_rcv_skb+0x130/0x360
[  254.821634][   T10]      netlink_unicast+0x449/0x710
[  254.821634][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.821634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.821634][   T10]      ___sys_sendmsg+0xee/0x170
[  254.821634][   T10]      __sys_sendmsg+0xcd/0x170
[  254.821634][   T10]      do_syscall_64+0xc6/0x1e0
[  254.821634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.821634][   T10] 
[  254.823190][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  254.823190][   T10]      neigh_parms_alloc+0x1e5/0x510
[  254.823190][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  254.823190][   T10]      ipv6_find_idev+0x102/0x170
[  254.823190][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  254.823190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.823190][   T10]      netlink_rcv_skb+0x130/0x360
[  254.823190][   T10]      netlink_unicast+0x449/0x710
[  254.823190][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.823190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.823190][   T10]      ___sys_sendmsg+0xee/0x170
[  254.823190][   T10]      __sys_sendmsg+0xcd/0x170
[  254.823190][   T10]      do_syscall_64+0xc6/0x1e0
[  254.823190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.823190][   T10] 
[  254.824984][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  254.825241][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.825241][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  254.825241][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  254.825241][   T10]      fib6_nh_init+0xa22/0x1580
[  254.825241][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.825241][   T10]      ip6_route_add+0x1c/0x140
[  254.825241][   T10]      inet6_rtm_newroute+0x104/0x110
[  254.825241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.825241][   T10]      netlink_rcv_skb+0x130/0x360
[  254.825241][   T10]      netlink_unicast+0x449/0x710
[  254.825241][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.825241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.825241][   T10]      ___sys_sendmsg+0xee/0x170
[  254.825241][   T10]      __sys_sendmsg+0xcd/0x170
[  254.825241][   T10]      do_syscall_64+0xc6/0x1e0
[  254.825241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.825241][   T10] 
[  254.827145][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.827145][   T10]      dst_init+0x84/0x4a0
[  254.827145][   T10]      dst_alloc+0x97/0x150
[  254.827145][   T10]      ip6_dst_alloc+0x23/0x90
[  254.827145][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  254.827145][   T10]      ip6_pol_route+0x56f/0x840
[  254.827145][   T10]      fib6_rule_lookup+0x456/0x630
[  254.827145][   T10]      ip6_route_input+0x59c/0xa50
[  254.827145][   T10]      ipv6_rcv+0x397/0x810
[  254.827145][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  254.827145][   T10]      process_backlog+0x101/0x620
[  254.827145][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  254.827145][   T10]      net_rx_action+0x495/0xbe0
[  254.827145][   T10]      __do_softirq+0x1b5/0x7f6
[  254.827145][   T10] 
[  254.828811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.828811][   T10]      netdev_get_by_index+0x5e/0x80
[  254.828811][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.828811][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.828811][   T10]      addrconf_f6i_alloc+0x265/0x560
[  254.828811][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  254.828811][   T10]      addrconf_join_anycast+0x1c0/0x220
[  254.828811][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  254.828811][   T10]      addrconf_dad_completed+0x12b/0xe20
[  254.828811][   T10]      addrconf_dad_begin+0x310/0x670
[  254.828811][   T10]      addrconf_dad_work+0x10b/0xab0
[  254.828811][   T10]      process_one_work+0x84d/0x18a0
[  254.828811][   T10]      worker_thread+0x587/0xd30
[  254.828811][   T10]      kthread+0x28a/0x350
[  254.828811][   T10]      ret_from_fork+0x31/0x70
[  254.828811][   T10]      ret_from_fork_asm+0x1a/0x30
[  254.828811][   T10] 
[  254.830756][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.830756][   T10]      netdev_get_by_index+0x5e/0x80
[  254.830756][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.830756][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.830756][   T10]      ip6_route_add+0x1c/0x140
[  254.830756][   T10]      addrconf_prefix_route+0x2a6/0x430
[  254.830756][   T10]      inet6_addr_add+0x4f8/0xa40
[  254.830756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.830756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.830756][   T10]      netlink_rcv_skb+0x130/0x360
[  254.830756][   T10]      netlink_unicast+0x449/0x710
[  254.830756][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.830756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.830756][   T10]      ___sys_sendmsg+0xee/0x170
[  254.830756][   T10]      __sys_sendmsg+0xcd/0x170
[  254.830756][   T10]      do_syscall_64+0xc6/0x1e0
[  254.830756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.830756][   T10] 
[  254.832967][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.832967][   T10]      netdev_get_by_index+0x5e/0x80
[  254.832967][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.832967][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.832967][   T10]      addrconf_f6i_alloc+0x315/0x560
[  254.832967][   T10]      ipv6_add_addr+0x411/0x2000
[  254.832967][   T10]      inet6_addr_add+0x30e/0xa40
[  254.832967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.832967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.832967][   T10]      netlink_rcv_skb+0x130/0x360
[  254.832967][   T10]      netlink_unicast+0x449/0x710
[  254.832967][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.832967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.832967][   T10]      ___sys_sendmsg+0xee/0x170
[  254.832967][   T10]      __sys_sendmsg+0xcd/0x170
[  254.832967][   T10]      do_syscall_64+0xc6/0x1e0
[  254.832967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.832967][   T10] 
[  254.835251][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.835251][   T10]      netdev_get_by_index+0x5e/0x80
[  254.835251][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.835251][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.835251][   T10]      ip6_route_add+0x1c/0x140
[  254.835251][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  254.835251][   T10]      addrconf_add_dev+0xe2/0x170
[  254.835251][   T10]      inet6_addr_add+0x12f/0xa40
[  254.835251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.835251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.835251][   T10]      netlink_rcv_skb+0x130/0x360
[  254.835251][   T10]      netlink_unicast+0x449/0x710
[  254.835251][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.835251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.835251][   T10]      ___sys_sendmsg+0xee/0x170
[  254.835251][   T10]      __sys_sendmsg+0xcd/0x170
[  254.835251][   T10]      do_syscall_64+0xc6/0x1e0
[  254.835251][   T10] 
[  254.837440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.837440][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  254.837440][   T10]      ipv6_find_idev+0x102/0x170
[  254.837440][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  254.837440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.837440][   T10]      netlink_rcv_skb+0x130/0x360
[  254.837440][   T10]      netlink_unicast+0x449/0x710
[  254.837440][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.837440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.837440][   T10]      ___sys_sendmsg+0xee/0x170
[  254.837440][   T10]      __sys_sendmsg+0xcd/0x170
[  254.837440][   T10]      do_syscall_64+0xc6/0x1e0
[  254.837440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.837440][   T10] 
[  254.839135][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  254.839135][   T10]      neigh_parms_alloc+0x1e5/0x510
[  254.839135][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  254.839135][   T10]      ipv6_find_idev+0x102/0x170
[  254.839135][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  254.839135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.839135][   T10]      netlink_rcv_skb+0x130/0x360
[  254.839135][   T10]      netlink_unicast+0x449/0x710
[  254.839135][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.839135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.839135][   T10]      ___sys_sendmsg+0xee/0x170
[  254.839135][   T10]      __sys_sendmsg+0xcd/0x170
[  254.839135][   T10]      do_syscall_64+0xc6/0x1e0
[  254.839135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.839135][   T10] 
[  254.841059][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  254.841309][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  254.841309][   T10]      netdev_get_by_index+0x5e/0x80
[  254.841309][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.841309][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.841309][   T10]      ip6_route_add+0x1c/0x140
[  254.841309][   T10]      addrconf_prefix_route+0x2a6/0x430
[  254.841309][   T10]      inet6_addr_add+0x4f8/0xa40
[  254.841309][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.841309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.841309][   T10]      netlink_rcv_skb+0x130/0x360
[  254.841309][   T10]      netlink_unicast+0x449/0x710
[  254.841309][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.841309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.841309][   T10]      ___sys_sendmsg+0xee/0x170
[  254.841309][   T10]      __sys_sendmsg+0xcd/0x170
[  254.841309][   T10]      do_syscall_64+0xc6/0x1e0
[  254.841309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.841309][   T10] 
[  254.843359][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  254.843359][   T10]      netdev_get_by_index+0x5e/0x80
[  254.843359][   T10]      fib6_nh_init+0x3d8/0x1580
[  254.843359][   T10]      ip6_route_info_create+0xf18/0x17d0
[  254.843359][   T10]      addrconf_f6i_alloc+0x315/0x560
[  254.843359][   T10]      ipv6_add_addr+0x411/0x2000
[  254.843359][   T10]      inet6_addr_add+0x30e/0xa40
[  254.843359][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  254.843359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.843359][   T10]      netlink_rcv_skb+0x130/0x360
[  254.843359][   T10]      netlink_unicast+0x449/0x710
[  254.843359][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.843359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.843359][   T10]      ___sys_sendmsg+0xee/0x170
[  254.843359][   T10]      __sys_sendmsg+0xcd/0x170
[  254.843359][   T10]      do_syscall_64+0xc6/0x1e0
[  254.843359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.843359][   T10] 
[  254.845530][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  254.845530][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  254.845530][   T10]      ipv6_find_idev+0x102/0x170
[  254.845530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  254.845530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.845530][   T10]      netlink_rcv_skb+0x130/0x360
[  254.845530][   T10]      netlink_unicast+0x449/0x710
[  254.845530][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.845530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.845530][   T10]      ___sys_sendmsg+0xee/0x170
[  254.845530][   T10]      __sys_sendmsg+0xcd/0x170
[  254.845530][   T10]      do_syscall_64+0xc6/0x1e0
[  254.845530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.845530][   T10] 
[  254.847239][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  254.847239][   T10]      neigh_parms_alloc+0x1e5/0x510
[  254.847239][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  254.847239][   T10]      ipv6_find_idev+0x102/0x170
[  254.847239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  254.847239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  254.847239][   T10]      netlink_rcv_skb+0x130/0x360
[  254.847239][   T10]      netlink_unicast+0x449/0x710
[  254.847239][   T10]      netlink_sendmsg+0x723/0xbe0
[  254.847239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  254.847239][   T10]      ___sys_sendmsg+0xee/0x170
[  254.847239][   T10]      __sys_sendmsg+0xcd/0x170
[  254.847239][   T10]      do_syscall_64+0xc6/0x1e0
[  254.847239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  254.847239][   T10] 
[  261.510085][ T1904] veth0: renamed from veth1
[  264.984733][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  264.985050][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.985050][   T10]      dst_init+0x84/0x4a0
[  264.985050][   T10]      dst_alloc+0x97/0x150
[  264.985050][   T10]      ip6_dst_alloc+0x23/0x90
[  264.985050][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  264.985050][   T10]      ip6_pol_route+0x56f/0x840
[  264.985050][   T10]      fib6_rule_lookup+0x456/0x630
[  264.985050][   T10]      ip6_route_input+0x59c/0xa50
[  264.985050][   T10]      ipv6_rcv+0x397/0x810
[  264.985050][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  264.985050][   T10]      process_backlog+0x101/0x620
[  264.985050][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  264.985050][   T10]      net_rx_action+0x495/0xbe0
[  264.985050][   T10]      __do_softirq+0x1b5/0x7f6
[  264.985050][   T10] 
[  264.986860][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.986860][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  264.986860][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  264.986860][   T10]      fib6_nh_init+0xa22/0x1580
[  264.986860][   T10]      ip6_route_info_create+0xf18/0x17d0
[  264.986860][   T10]      ip6_route_add+0x1c/0x140
[  264.986860][   T10]      inet6_rtm_newroute+0x104/0x110
[  264.986860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  264.986860][   T10]      netlink_rcv_skb+0x130/0x360
[  264.986860][   T10]      netlink_unicast+0x449/0x710
[  264.986860][   T10]      netlink_sendmsg+0x723/0xbe0
[  264.986860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  264.986860][   T10]      ___sys_sendmsg+0xee/0x170
[  264.986860][   T10]      __sys_sendmsg+0xcd/0x170
[  264.986860][   T10]      do_syscall_64+0xc6/0x1e0
[  264.986860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  264.986860][   T10] 
[  264.988862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.988862][   T10]      netdev_get_by_index+0x5e/0x80
[  264.988862][   T10]      fib6_nh_init+0x3d8/0x1580
[  264.988862][   T10]      ip6_route_info_create+0xf18/0x17d0
[  264.988862][   T10]      addrconf_f6i_alloc+0x265/0x560
[  264.988862][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  264.988862][   T10]      addrconf_join_anycast+0x1c0/0x220
[  264.988862][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  264.988862][   T10]      addrconf_dad_completed+0x12b/0xe20
[  264.988862][   T10]      addrconf_dad_begin+0x310/0x670
[  264.988862][   T10]      addrconf_dad_work+0x10b/0xab0
[  264.988862][   T10]      process_one_work+0x84d/0x18a0
[  264.988862][   T10]      worker_thread+0x587/0xd30
[  264.988862][   T10]      kthread+0x28a/0x350
[  264.988862][   T10]      ret_from_fork+0x31/0x70
[  264.988862][   T10]      ret_from_fork_asm+0x1a/0x30
[  264.988862][   T10] 
[  264.990898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.990898][   T10]      netdev_get_by_index+0x5e/0x80
[  264.990898][   T10]      fib6_nh_init+0x3d8/0x1580
[  264.990898][   T10]      ip6_route_info_create+0xf18/0x17d0
[  264.990898][   T10]      ip6_route_add+0x1c/0x140
[  264.990898][   T10]      addrconf_prefix_route+0x2a6/0x430
[  264.990898][   T10]      inet6_addr_add+0x4f8/0xa40
[  264.990898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  264.990898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  264.990898][   T10]      netlink_rcv_skb+0x130/0x360
[  264.990898][   T10]      netlink_unicast+0x449/0x710
[  264.990898][   T10]      netlink_sendmsg+0x723/0xbe0
[  264.990898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  264.990898][   T10]      ___sys_sendmsg+0xee/0x170
[  264.990898][   T10]      __sys_sendmsg+0xcd/0x170
[  264.990898][   T10]      do_syscall_64+0xc6/0x1e0
[  264.990898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  264.990898][   T10] 
[  264.993062][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.993062][   T10]      netdev_get_by_index+0x5e/0x80
[  264.993062][   T10]      fib6_nh_init+0x3d8/0x1580
[  264.993062][   T10]      ip6_route_info_create+0xf18/0x17d0
[  264.993062][   T10]      addrconf_f6i_alloc+0x315/0x560
[  264.993062][   T10]      ipv6_add_addr+0x411/0x2000
[  264.993062][   T10]      inet6_addr_add+0x30e/0xa40
[  264.993062][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  264.993062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  264.993062][   T10]      netlink_rcv_skb+0x130/0x360
[  264.993062][   T10]      netlink_unicast+0x449/0x710
[  264.993062][   T10]      netlink_sendmsg+0x723/0xbe0
[  264.993062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  264.993062][   T10]      ___sys_sendmsg+0xee/0x170
[  264.993062][   T10]      __sys_sendmsg+0xcd/0x170
[  264.993062][   T10]      do_syscall_64+0xc6/0x1e0
[  264.993062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  264.993062][   T10] 
[  264.995212][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.995212][   T10]      netdev_get_by_index+0x5e/0x80
[  264.995212][   T10]      fib6_nh_init+0x3d8/0x1580
[  264.995212][   T10]      ip6_route_info_create+0xf18/0x17d0
[  264.995212][   T10]      ip6_route_add+0x1c/0x140
[  264.995212][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  264.995212][   T10]      addrconf_add_dev+0xe2/0x170
[  264.995212][   T10]      inet6_addr_add+0x12f/0xa40
[  264.995212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  264.995212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  264.995212][   T10]      netlink_rcv_skb+0x130/0x360
[  264.995212][   T10]      netlink_unicast+0x449/0x710
[  264.995212][   T10]      netlink_sendmsg+0x723/0xbe0
[  264.995212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  264.995212][   T10]      ___sys_sendmsg+0xee/0x170
[  264.995212][   T10]      __sys_sendmsg+0xcd/0x170
[  264.995212][   T10]      do_syscall_64+0xc6/0x1e0
[  264.995212][   T10] 
[  264.997233][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.997233][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  264.997233][   T10]      ipv6_find_idev+0x102/0x170
[  264.997233][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  264.997233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  264.997233][   T10]      netlink_rcv_skb+0x130/0x360
[  264.997233][   T10]      netlink_unicast+0x449/0x710
[  264.997233][   T10]      netlink_sendmsg+0x723/0xbe0
[  264.997233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  264.997233][   T10]      ___sys_sendmsg+0xee/0x170
[  264.997233][   T10]      __sys_sendmsg+0xcd/0x170
[  264.997233][   T10]      do_syscall_64+0xc6/0x1e0
[  264.997233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  264.997233][   T10] 
[  264.998826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  264.998826][   T10]      neigh_parms_alloc+0x1e5/0x510
[  264.998826][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  264.998826][   T10]      ipv6_find_idev+0x102/0x170
[  264.998826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  264.998826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  264.998826][   T10]      netlink_rcv_skb+0x130/0x360
[  264.998826][   T10]      netlink_unicast+0x449/0x710
[  264.998826][   T10]      netlink_sendmsg+0x723/0xbe0
[  264.998826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  264.998826][   T10]      ___sys_sendmsg+0xee/0x170
[  264.998826][   T10]      __sys_sendmsg+0xcd/0x170
[  264.998826][   T10]      do_syscall_64+0xc6/0x1e0
[  264.998826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  264.998826][   T10] 
[  265.000563][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  265.000825][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.000825][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  265.000825][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  265.000825][   T10]      fib6_nh_init+0xa22/0x1580
[  265.000825][   T10]      ip6_route_info_create+0xf18/0x17d0
[  265.000825][   T10]      ip6_route_add+0x1c/0x140
[  265.000825][   T10]      inet6_rtm_newroute+0x104/0x110
[  265.000825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.000825][   T10]      netlink_rcv_skb+0x130/0x360
[  265.000825][   T10]      netlink_unicast+0x449/0x710
[  265.000825][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.000825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.000825][   T10]      ___sys_sendmsg+0xee/0x170
[  265.000825][   T10]      __sys_sendmsg+0xcd/0x170
[  265.000825][   T10]      do_syscall_64+0xc6/0x1e0
[  265.000825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.000825][   T10] 
[  265.002751][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.002751][   T10]      dst_init+0x84/0x4a0
[  265.002751][   T10]      dst_alloc+0x97/0x150
[  265.002751][   T10]      ip6_dst_alloc+0x23/0x90
[  265.002751][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  265.002751][   T10]      ip6_pol_route+0x56f/0x840
[  265.002751][   T10]      fib6_rule_lookup+0x456/0x630
[  265.002751][   T10]      ip6_route_input+0x59c/0xa50
[  265.002751][   T10]      ipv6_rcv+0x397/0x810
[  265.002751][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  265.002751][   T10]      process_backlog+0x101/0x620
[  265.002751][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  265.002751][   T10]      net_rx_action+0x495/0xbe0
[  265.002751][   T10]      __do_softirq+0x1b5/0x7f6
[  265.002751][   T10] 
[  265.004429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.004429][   T10]      netdev_get_by_index+0x5e/0x80
[  265.004429][   T10]      fib6_nh_init+0x3d8/0x1580
[  265.004429][   T10]      ip6_route_info_create+0xf18/0x17d0
[  265.004429][   T10]      addrconf_f6i_alloc+0x265/0x560
[  265.004429][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  265.004429][   T10]      addrconf_join_anycast+0x1c0/0x220
[  265.004429][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  265.004429][   T10]      addrconf_dad_completed+0x12b/0xe20
[  265.004429][   T10]      addrconf_dad_begin+0x310/0x670
[  265.004429][   T10]      addrconf_dad_work+0x10b/0xab0
[  265.004429][   T10]      process_one_work+0x84d/0x18a0
[  265.004429][   T10]      worker_thread+0x587/0xd30
[  265.004429][   T10]      kthread+0x28a/0x350
[  265.004429][   T10]      ret_from_fork+0x31/0x70
[  265.004429][   T10]      ret_from_fork_asm+0x1a/0x30
[  265.004429][   T10] 
[  265.006564][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.006564][   T10]      netdev_get_by_index+0x5e/0x80
[  265.006564][   T10]      fib6_nh_init+0x3d8/0x1580
[  265.006564][   T10]      ip6_route_info_create+0xf18/0x17d0
[  265.006564][   T10]      ip6_route_add+0x1c/0x140
[  265.006564][   T10]      addrconf_prefix_route+0x2a6/0x430
[  265.006564][   T10]      inet6_addr_add+0x4f8/0xa40
[  265.006564][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  265.006564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.006564][   T10]      netlink_rcv_skb+0x130/0x360
[  265.006564][   T10]      netlink_unicast+0x449/0x710
[  265.006564][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.006564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.006564][   T10]      ___sys_sendmsg+0xee/0x170
[  265.006564][   T10]      __sys_sendmsg+0xcd/0x170
[  265.006564][   T10]      do_syscall_64+0xc6/0x1e0
[  265.006564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.006564][   T10] 
[  265.008796][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.008796][   T10]      netdev_get_by_index+0x5e/0x80
[  265.008796][   T10]      fib6_nh_init+0x3d8/0x1580
[  265.008796][   T10]      ip6_route_info_create+0xf18/0x17d0
[  265.008796][   T10]      addrconf_f6i_alloc+0x315/0x560
[  265.008796][   T10]      ipv6_add_addr+0x411/0x2000
[  265.008796][   T10]      inet6_addr_add+0x30e/0xa40
[  265.008796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  265.008796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.008796][   T10]      netlink_rcv_skb+0x130/0x360
[  265.008796][   T10]      netlink_unicast+0x449/0x710
[  265.008796][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.008796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.008796][   T10]      ___sys_sendmsg+0xee/0x170
[  265.008796][   T10]      __sys_sendmsg+0xcd/0x170
[  265.008796][   T10]      do_syscall_64+0xc6/0x1e0
[  265.008796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.008796][   T10] 
[  265.011166][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.011166][   T10]      netdev_get_by_index+0x5e/0x80
[  265.011166][   T10]      fib6_nh_init+0x3d8/0x1580
[  265.011166][   T10]      ip6_route_info_create+0xf18/0x17d0
[  265.011166][   T10]      ip6_route_add+0x1c/0x140
[  265.011166][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  265.011166][   T10]      addrconf_add_dev+0xe2/0x170
[  265.011166][   T10]      inet6_addr_add+0x12f/0xa40
[  265.011166][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  265.011166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.011166][   T10]      netlink_rcv_skb+0x130/0x360
[  265.011166][   T10]      netlink_unicast+0x449/0x710
[  265.011166][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.011166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.011166][   T10]      ___sys_sendmsg+0xee/0x170
[  265.011166][   T10]      __sys_sendmsg+0xcd/0x170
[  265.011166][   T10]      do_syscall_64+0xc6/0x1e0
[  265.011166][   T10] 
[  265.013419][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.013419][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  265.013419][   T10]      ipv6_find_idev+0x102/0x170
[  265.013419][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  265.013419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.013419][   T10]      netlink_rcv_skb+0x130/0x360
[  265.013419][   T10]      netlink_unicast+0x449/0x710
[  265.013419][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.013419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.013419][   T10]      ___sys_sendmsg+0xee/0x170
[  265.013419][   T10]      __sys_sendmsg+0xcd/0x170
[  265.013419][   T10]      do_syscall_64+0xc6/0x1e0
[  265.013419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.013419][   T10] 
[  265.015196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  265.015196][   T10]      neigh_parms_alloc+0x1e5/0x510
[  265.015196][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  265.015196][   T10]      ipv6_find_idev+0x102/0x170
[  265.015196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  265.015196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.015196][   T10]      netlink_rcv_skb+0x130/0x360
[  265.015196][   T10]      netlink_unicast+0x449/0x710
[  265.015196][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.015196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.015196][   T10]      ___sys_sendmsg+0xee/0x170
[  265.015196][   T10]      __sys_sendmsg+0xcd/0x170
[  265.015196][   T10]      do_syscall_64+0xc6/0x1e0
[  265.015196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.015196][   T10] 
[  265.017107][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  265.017433][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  265.017433][   T10]      netdev_get_by_index+0x5e/0x80
[  265.017433][   T10]      fib6_nh_init+0x3d8/0x1580
[  265.017433][   T10]      ip6_route_info_create+0xf18/0x17d0
[  265.017433][   T10]      ip6_route_add+0x1c/0x140
[  265.017433][   T10]      addrconf_prefix_route+0x2a6/0x430
[  265.017433][   T10]      inet6_addr_add+0x4f8/0xa40
[  265.017433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  265.017433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.017433][   T10]      netlink_rcv_skb+0x130/0x360
[  265.017433][   T10]      netlink_unicast+0x449/0x710
[  265.017433][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.017433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.017433][   T10]      ___sys_sendmsg+0xee/0x170
[  265.017433][   T10]      __sys_sendmsg+0xcd/0x170
[  265.017433][   T10]      do_syscall_64+0xc6/0x1e0
[  265.017433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.017433][   T10] 
[  265.019943][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  265.019943][   T10]      netdev_get_by_index+0x5e/0x80
[  265.019943][   T10]      fib6_nh_init+0x3d8/0x1580
[  265.019943][   T10]      ip6_route_info_create+0xf18/0x17d0
[  265.019943][   T10]      addrconf_f6i_alloc+0x315/0x560
[  265.019943][   T10]      ipv6_add_addr+0x411/0x2000
[  265.019943][   T10]      inet6_addr_add+0x30e/0xa40
[  265.019943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  265.019943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.019943][   T10]      netlink_rcv_skb+0x130/0x360
[  265.019943][   T10]      netlink_unicast+0x449/0x710
[  265.019943][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.019943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.019943][   T10]      ___sys_sendmsg+0xee/0x170
[  265.019943][   T10]      __sys_sendmsg+0xcd/0x170
[  265.019943][   T10]      do_syscall_64+0xc6/0x1e0
[  265.019943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.019943][   T10] 
[  265.022432][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  265.022432][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  265.022432][   T10]      ipv6_find_idev+0x102/0x170
[  265.022432][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  265.022432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.022432][   T10]      netlink_rcv_skb+0x130/0x360
[  265.022432][   T10]      netlink_unicast+0x449/0x710
[  265.022432][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.022432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.022432][   T10]      ___sys_sendmsg+0xee/0x170
[  265.022432][   T10]      __sys_sendmsg+0xcd/0x170
[  265.022432][   T10]      do_syscall_64+0xc6/0x1e0
[  265.022432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.022432][   T10] 
[  265.024094][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  265.024094][   T10]      neigh_parms_alloc+0x1e5/0x510
[  265.024094][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  265.024094][   T10]      ipv6_find_idev+0x102/0x170
[  265.024094][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  265.024094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  265.024094][   T10]      netlink_rcv_skb+0x130/0x360
[  265.024094][   T10]      netlink_unicast+0x449/0x710
[  265.024094][   T10]      netlink_sendmsg+0x723/0xbe0
[  265.024094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  265.024094][   T10]      ___sys_sendmsg+0xee/0x170
[  265.024094][   T10]      __sys_sendmsg+0xcd/0x170
[  265.024094][   T10]      do_syscall_64+0xc6/0x1e0
[  265.024094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  265.024094][   T10] 
[  265.499041][ T1931] br0: port 1(vx0) entered blocking state
[  265.499311][ T1931] br0: port 1(vx0) entered disabled state
[  265.499498][ T1931] vx0: entered allmulticast mode
[  265.500643][ T1931] vx0: entered promiscuous mode
[  265.502500][ T1931] br0: port 1(vx0) entered blocking state
[  265.502690][ T1931] br0: port 1(vx0) entered forwarding state
[  270.947188][ T1961] br0: port 1(vx0) entered blocking state
[  270.947442][ T1961] br0: port 1(vx0) entered disabled state
[  270.947629][ T1961] vx0: entered allmulticast mode
[  270.949829][ T1961] vx0: entered promiscuous mode
[  270.951655][ T1961] br0: port 1(vx0) entered blocking state
[  270.951824][ T1961] br0: port 1(vx0) entered forwarding state
[  275.000700][ T1992] veth0: renamed from veth1
[  275.162049][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  275.162366][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.162366][   T10]      dst_init+0x84/0x4a0
[  275.162366][   T10]      dst_alloc+0x97/0x150
[  275.162366][   T10]      ip6_dst_alloc+0x23/0x90
[  275.162366][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  275.162366][   T10]      ip6_pol_route+0x56f/0x840
[  275.162366][   T10]      fib6_rule_lookup+0x456/0x630
[  275.162366][   T10]      ip6_route_input+0x59c/0xa50
[  275.162366][   T10]      ipv6_rcv+0x397/0x810
[  275.162366][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  275.162366][   T10]      process_backlog+0x101/0x620
[  275.162366][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  275.162366][   T10]      net_rx_action+0x495/0xbe0
[  275.162366][   T10]      __do_softirq+0x1b5/0x7f6
[  275.162366][   T10] 
[  275.164101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.164101][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  275.164101][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  275.164101][   T10]      fib6_nh_init+0xa22/0x1580
[  275.164101][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.164101][   T10]      ip6_route_add+0x1c/0x140
[  275.164101][   T10]      inet6_rtm_newroute+0x104/0x110
[  275.164101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.164101][   T10]      netlink_rcv_skb+0x130/0x360
[  275.164101][   T10]      netlink_unicast+0x449/0x710
[  275.164101][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.164101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.164101][   T10]      ___sys_sendmsg+0xee/0x170
[  275.164101][   T10]      __sys_sendmsg+0xcd/0x170
[  275.164101][   T10]      do_syscall_64+0xc6/0x1e0
[  275.164101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.164101][   T10] 
[  275.166104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.166104][   T10]      netdev_get_by_index+0x5e/0x80
[  275.166104][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.166104][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.166104][   T10]      addrconf_f6i_alloc+0x265/0x560
[  275.166104][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  275.166104][   T10]      addrconf_join_anycast+0x1c0/0x220
[  275.166104][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  275.166104][   T10]      addrconf_dad_completed+0x12b/0xe20
[  275.166104][   T10]      addrconf_dad_begin+0x310/0x670
[  275.166104][   T10]      addrconf_dad_work+0x10b/0xab0
[  275.166104][   T10]      process_one_work+0x84d/0x18a0
[  275.166104][   T10]      worker_thread+0x587/0xd30
[  275.166104][   T10]      kthread+0x28a/0x350
[  275.166104][   T10]      ret_from_fork+0x31/0x70
[  275.166104][   T10]      ret_from_fork_asm+0x1a/0x30
[  275.166104][   T10] 
[  275.168131][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.168131][   T10]      netdev_get_by_index+0x5e/0x80
[  275.168131][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.168131][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.168131][   T10]      ip6_route_add+0x1c/0x140
[  275.168131][   T10]      addrconf_prefix_route+0x2a6/0x430
[  275.168131][   T10]      inet6_addr_add+0x4f8/0xa40
[  275.168131][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.168131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.168131][   T10]      netlink_rcv_skb+0x130/0x360
[  275.168131][   T10]      netlink_unicast+0x449/0x710
[  275.168131][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.168131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.168131][   T10]      ___sys_sendmsg+0xee/0x170
[  275.168131][   T10]      __sys_sendmsg+0xcd/0x170
[  275.168131][   T10]      do_syscall_64+0xc6/0x1e0
[  275.168131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.168131][   T10] 
[  275.170191][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.170191][   T10]      netdev_get_by_index+0x5e/0x80
[  275.170191][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.170191][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.170191][   T10]      addrconf_f6i_alloc+0x315/0x560
[  275.170191][   T10]      ipv6_add_addr+0x411/0x2000
[  275.170191][   T10]      inet6_addr_add+0x30e/0xa40
[  275.170191][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.170191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.170191][   T10]      netlink_rcv_skb+0x130/0x360
[  275.170191][   T10]      netlink_unicast+0x449/0x710
[  275.170191][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.170191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.170191][   T10]      ___sys_sendmsg+0xee/0x170
[  275.170191][   T10]      __sys_sendmsg+0xcd/0x170
[  275.170191][   T10]      do_syscall_64+0xc6/0x1e0
[  275.170191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.170191][   T10] 
[  275.172255][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.172255][   T10]      netdev_get_by_index+0x5e/0x80
[  275.172255][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.172255][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.172255][   T10]      ip6_route_add+0x1c/0x140
[  275.172255][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  275.172255][   T10]      addrconf_add_dev+0xe2/0x170
[  275.172255][   T10]      inet6_addr_add+0x12f/0xa40
[  275.172255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.172255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.172255][   T10]      netlink_rcv_skb+0x130/0x360
[  275.172255][   T10]      netlink_unicast+0x449/0x710
[  275.172255][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.172255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.172255][   T10]      ___sys_sendmsg+0xee/0x170
[  275.172255][   T10]      __sys_sendmsg+0xcd/0x170
[  275.172255][   T10]      do_syscall_64+0xc6/0x1e0
[  275.172255][   T10] 
[  275.174292][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.174292][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  275.174292][   T10]      ipv6_find_idev+0x102/0x170
[  275.174292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  275.174292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.174292][   T10]      netlink_rcv_skb+0x130/0x360
[  275.174292][   T10]      netlink_unicast+0x449/0x710
[  275.174292][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.174292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.174292][   T10]      ___sys_sendmsg+0xee/0x170
[  275.174292][   T10]      __sys_sendmsg+0xcd/0x170
[  275.174292][   T10]      do_syscall_64+0xc6/0x1e0
[  275.174292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.174292][   T10] 
[  275.175978][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  275.175978][   T10]      neigh_parms_alloc+0x1e5/0x510
[  275.175978][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  275.175978][   T10]      ipv6_find_idev+0x102/0x170
[  275.175978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  275.175978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.175978][   T10]      netlink_rcv_skb+0x130/0x360
[  275.175978][   T10]      netlink_unicast+0x449/0x710
[  275.175978][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.175978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.175978][   T10]      ___sys_sendmsg+0xee/0x170
[  275.175978][   T10]      __sys_sendmsg+0xcd/0x170
[  275.175978][   T10]      do_syscall_64+0xc6/0x1e0
[  275.175978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.175978][   T10] 
[  275.178051][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  275.178303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.178303][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  275.178303][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  275.178303][   T10]      fib6_nh_init+0xa22/0x1580
[  275.178303][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.178303][   T10]      ip6_route_add+0x1c/0x140
[  275.178303][   T10]      inet6_rtm_newroute+0x104/0x110
[  275.178303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.178303][   T10]      netlink_rcv_skb+0x130/0x360
[  275.178303][   T10]      netlink_unicast+0x449/0x710
[  275.178303][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.178303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.178303][   T10]      ___sys_sendmsg+0xee/0x170
[  275.178303][   T10]      __sys_sendmsg+0xcd/0x170
[  275.178303][   T10]      do_syscall_64+0xc6/0x1e0
[  275.178303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.178303][   T10] 
[  275.180514][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.180514][   T10]      dst_init+0x84/0x4a0
[  275.180514][   T10]      dst_alloc+0x97/0x150
[  275.180514][   T10]      ip6_dst_alloc+0x23/0x90
[  275.180514][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  275.180514][   T10]      ip6_pol_route+0x56f/0x840
[  275.180514][   T10]      fib6_rule_lookup+0x456/0x630
[  275.180514][   T10]      ip6_route_input+0x59c/0xa50
[  275.180514][   T10]      ipv6_rcv+0x397/0x810
[  275.180514][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  275.180514][   T10]      process_backlog+0x101/0x620
[  275.180514][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  275.180514][   T10]      net_rx_action+0x495/0xbe0
[  275.180514][   T10]      __do_softirq+0x1b5/0x7f6
[  275.180514][   T10] 
[  275.182392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.182392][   T10]      netdev_get_by_index+0x5e/0x80
[  275.182392][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.182392][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.182392][   T10]      addrconf_f6i_alloc+0x265/0x560
[  275.182392][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  275.182392][   T10]      addrconf_join_anycast+0x1c0/0x220
[  275.182392][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  275.182392][   T10]      addrconf_dad_completed+0x12b/0xe20
[  275.182392][   T10]      addrconf_dad_begin+0x310/0x670
[  275.182392][   T10]      addrconf_dad_work+0x10b/0xab0
[  275.182392][   T10]      process_one_work+0x84d/0x18a0
[  275.182392][   T10]      worker_thread+0x587/0xd30
[  275.182392][   T10]      kthread+0x28a/0x350
[  275.182392][   T10]      ret_from_fork+0x31/0x70
[  275.182392][   T10]      ret_from_fork_asm+0x1a/0x30
[  275.182392][   T10] 
[  275.184647][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.184647][   T10]      netdev_get_by_index+0x5e/0x80
[  275.184647][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.184647][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.184647][   T10]      ip6_route_add+0x1c/0x140
[  275.184647][   T10]      addrconf_prefix_route+0x2a6/0x430
[  275.184647][   T10]      inet6_addr_add+0x4f8/0xa40
[  275.184647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.184647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.184647][   T10]      netlink_rcv_skb+0x130/0x360
[  275.184647][   T10]      netlink_unicast+0x449/0x710
[  275.184647][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.184647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.184647][   T10]      ___sys_sendmsg+0xee/0x170
[  275.184647][   T10]      __sys_sendmsg+0xcd/0x170
[  275.184647][   T10]      do_syscall_64+0xc6/0x1e0
[  275.184647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.184647][   T10] 
[  275.186815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.186815][   T10]      netdev_get_by_index+0x5e/0x80
[  275.186815][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.186815][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.186815][   T10]      addrconf_f6i_alloc+0x315/0x560
[  275.186815][   T10]      ipv6_add_addr+0x411/0x2000
[  275.186815][   T10]      inet6_addr_add+0x30e/0xa40
[  275.186815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.186815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.186815][   T10]      netlink_rcv_skb+0x130/0x360
[  275.186815][   T10]      netlink_unicast+0x449/0x710
[  275.186815][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.186815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.186815][   T10]      ___sys_sendmsg+0xee/0x170
[  275.186815][   T10]      __sys_sendmsg+0xcd/0x170
[  275.186815][   T10]      do_syscall_64+0xc6/0x1e0
[  275.186815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.186815][   T10] 
[  275.189121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.189121][   T10]      netdev_get_by_index+0x5e/0x80
[  275.189121][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.189121][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.189121][   T10]      ip6_route_add+0x1c/0x140
[  275.189121][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  275.189121][   T10]      addrconf_add_dev+0xe2/0x170
[  275.189121][   T10]      inet6_addr_add+0x12f/0xa40
[  275.189121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.189121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.189121][   T10]      netlink_rcv_skb+0x130/0x360
[  275.189121][   T10]      netlink_unicast+0x449/0x710
[  275.189121][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.189121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.189121][   T10]      ___sys_sendmsg+0xee/0x170
[  275.189121][   T10]      __sys_sendmsg+0xcd/0x170
[  275.189121][   T10]      do_syscall_64+0xc6/0x1e0
[  275.189121][   T10] 
[  275.191266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.191266][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  275.191266][   T10]      ipv6_find_idev+0x102/0x170
[  275.191266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  275.191266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.191266][   T10]      netlink_rcv_skb+0x130/0x360
[  275.191266][   T10]      netlink_unicast+0x449/0x710
[  275.191266][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.191266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.191266][   T10]      ___sys_sendmsg+0xee/0x170
[  275.191266][   T10]      __sys_sendmsg+0xcd/0x170
[  275.191266][   T10]      do_syscall_64+0xc6/0x1e0
[  275.191266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.191266][   T10] 
[  275.193045][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  275.193045][   T10]      neigh_parms_alloc+0x1e5/0x510
[  275.193045][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  275.193045][   T10]      ipv6_find_idev+0x102/0x170
[  275.193045][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  275.193045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.193045][   T10]      netlink_rcv_skb+0x130/0x360
[  275.193045][   T10]      netlink_unicast+0x449/0x710
[  275.193045][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.193045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.193045][   T10]      ___sys_sendmsg+0xee/0x170
[  275.193045][   T10]      __sys_sendmsg+0xcd/0x170
[  275.193045][   T10]      do_syscall_64+0xc6/0x1e0
[  275.193045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.193045][   T10] 
[  275.195064][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  275.195318][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  275.195318][   T10]      netdev_get_by_index+0x5e/0x80
[  275.195318][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.195318][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.195318][   T10]      ip6_route_add+0x1c/0x140
[  275.195318][   T10]      addrconf_prefix_route+0x2a6/0x430
[  275.195318][   T10]      inet6_addr_add+0x4f8/0xa40
[  275.195318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.195318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.195318][   T10]      netlink_rcv_skb+0x130/0x360
[  275.195318][   T10]      netlink_unicast+0x449/0x710
[  275.195318][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.195318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.195318][   T10]      ___sys_sendmsg+0xee/0x170
[  275.195318][   T10]      __sys_sendmsg+0xcd/0x170
[  275.195318][   T10]      do_syscall_64+0xc6/0x1e0
[  275.195318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.195318][   T10] 
[  275.197481][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  275.197481][   T10]      netdev_get_by_index+0x5e/0x80
[  275.197481][   T10]      fib6_nh_init+0x3d8/0x1580
[  275.197481][   T10]      ip6_route_info_create+0xf18/0x17d0
[  275.197481][   T10]      addrconf_f6i_alloc+0x315/0x560
[  275.197481][   T10]      ipv6_add_addr+0x411/0x2000
[  275.197481][   T10]      inet6_addr_add+0x30e/0xa40
[  275.197481][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  275.197481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.197481][   T10]      netlink_rcv_skb+0x130/0x360
[  275.197481][   T10]      netlink_unicast+0x449/0x710
[  275.197481][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.197481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.197481][   T10]      ___sys_sendmsg+0xee/0x170
[  275.197481][   T10]      __sys_sendmsg+0xcd/0x170
[  275.197481][   T10]      do_syscall_64+0xc6/0x1e0
[  275.197481][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.197481][   T10] 
[  275.199532][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  275.199532][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  275.199532][   T10]      ipv6_find_idev+0x102/0x170
[  275.199532][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  275.199532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.199532][   T10]      netlink_rcv_skb+0x130/0x360
[  275.199532][   T10]      netlink_unicast+0x449/0x710
[  275.199532][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.199532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.199532][   T10]      ___sys_sendmsg+0xee/0x170
[  275.199532][   T10]      __sys_sendmsg+0xcd/0x170
[  275.199532][   T10]      do_syscall_64+0xc6/0x1e0
[  275.199532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.199532][   T10] 
[  275.201256][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  275.201256][   T10]      neigh_parms_alloc+0x1e5/0x510
[  275.201256][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  275.201256][   T10]      ipv6_find_idev+0x102/0x170
[  275.201256][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  275.201256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  275.201256][   T10]      netlink_rcv_skb+0x130/0x360
[  275.201256][   T10]      netlink_unicast+0x449/0x710
[  275.201256][   T10]      netlink_sendmsg+0x723/0xbe0
[  275.201256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  275.201256][   T10]      ___sys_sendmsg+0xee/0x170
[  275.201256][   T10]      __sys_sendmsg+0xcd/0x170
[  275.201256][   T10]      do_syscall_64+0xc6/0x1e0
[  275.201256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  275.201256][   T10] 
[  278.870195][ T2019] br0: port 1(vx0) entered blocking state
[  278.870484][ T2019] br0: port 1(vx0) entered disabled state
[  278.870699][ T2019] vx0: entered allmulticast mode
[  278.871923][ T2019] vx0: entered promiscuous mode
[  278.873885][ T2019] br0: port 1(vx0) entered blocking state
[  278.874065][ T2019] br0: port 1(vx0) entered forwarding state
[  284.254367][ T2049] br0: port 1(vx0) entered blocking state
[  284.254595][ T2049] br0: port 1(vx0) entered disabled state
[  284.254778][ T2049] vx0: entered allmulticast mode
[  284.255984][ T2049] vx0: entered promiscuous mode
[  284.257854][ T2049] br0: port 1(vx0) entered blocking state
[  284.258031][ T2049] br0: port 1(vx0) entered forwarding state
[  285.320703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  285.321030][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.321030][   T10]      dst_init+0x84/0x4a0
[  285.321030][   T10]      dst_alloc+0x97/0x150
[  285.321030][   T10]      ip6_dst_alloc+0x23/0x90
[  285.321030][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  285.321030][   T10]      ip6_pol_route+0x56f/0x840
[  285.321030][   T10]      fib6_rule_lookup+0x456/0x630
[  285.321030][   T10]      ip6_route_input+0x59c/0xa50
[  285.321030][   T10]      ipv6_rcv+0x397/0x810
[  285.321030][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  285.321030][   T10]      process_backlog+0x101/0x620
[  285.321030][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  285.321030][   T10]      net_rx_action+0x495/0xbe0
[  285.321030][   T10]      __do_softirq+0x1b5/0x7f6
[  285.321030][   T10] 
[  285.322768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.322768][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  285.322768][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  285.322768][   T10]      fib6_nh_init+0xa22/0x1580
[  285.322768][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.322768][   T10]      ip6_route_add+0x1c/0x140
[  285.322768][   T10]      inet6_rtm_newroute+0x104/0x110
[  285.322768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.322768][   T10]      netlink_rcv_skb+0x130/0x360
[  285.322768][   T10]      netlink_unicast+0x449/0x710
[  285.322768][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.322768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.322768][   T10]      ___sys_sendmsg+0xee/0x170
[  285.322768][   T10]      __sys_sendmsg+0xcd/0x170
[  285.322768][   T10]      do_syscall_64+0xc6/0x1e0
[  285.322768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.322768][   T10] 
[  285.324727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.324727][   T10]      netdev_get_by_index+0x5e/0x80
[  285.324727][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.324727][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.324727][   T10]      addrconf_f6i_alloc+0x265/0x560
[  285.324727][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  285.324727][   T10]      addrconf_join_anycast+0x1c0/0x220
[  285.324727][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  285.324727][   T10]      addrconf_dad_completed+0x12b/0xe20
[  285.324727][   T10]      addrconf_dad_begin+0x310/0x670
[  285.324727][   T10]      addrconf_dad_work+0x10b/0xab0
[  285.324727][   T10]      process_one_work+0x84d/0x18a0
[  285.324727][   T10]      worker_thread+0x587/0xd30
[  285.324727][   T10]      kthread+0x28a/0x350
[  285.324727][   T10]      ret_from_fork+0x31/0x70
[  285.324727][   T10]      ret_from_fork_asm+0x1a/0x30
[  285.324727][   T10] 
[  285.326716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.326716][   T10]      netdev_get_by_index+0x5e/0x80
[  285.326716][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.326716][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.326716][   T10]      ip6_route_add+0x1c/0x140
[  285.326716][   T10]      addrconf_prefix_route+0x2a6/0x430
[  285.326716][   T10]      inet6_addr_add+0x4f8/0xa40
[  285.326716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.326716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.326716][   T10]      netlink_rcv_skb+0x130/0x360
[  285.326716][   T10]      netlink_unicast+0x449/0x710
[  285.326716][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.326716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.326716][   T10]      ___sys_sendmsg+0xee/0x170
[  285.326716][   T10]      __sys_sendmsg+0xcd/0x170
[  285.326716][   T10]      do_syscall_64+0xc6/0x1e0
[  285.326716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.326716][   T10] 
[  285.328764][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.328764][   T10]      netdev_get_by_index+0x5e/0x80
[  285.328764][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.328764][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.328764][   T10]      addrconf_f6i_alloc+0x315/0x560
[  285.328764][   T10]      ipv6_add_addr+0x411/0x2000
[  285.328764][   T10]      inet6_addr_add+0x30e/0xa40
[  285.328764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.328764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.328764][   T10]      netlink_rcv_skb+0x130/0x360
[  285.328764][   T10]      netlink_unicast+0x449/0x710
[  285.328764][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.328764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.328764][   T10]      ___sys_sendmsg+0xee/0x170
[  285.328764][   T10]      __sys_sendmsg+0xcd/0x170
[  285.328764][   T10]      do_syscall_64+0xc6/0x1e0
[  285.328764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.328764][   T10] 
[  285.330801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.330801][   T10]      netdev_get_by_index+0x5e/0x80
[  285.330801][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.330801][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.330801][   T10]      ip6_route_add+0x1c/0x140
[  285.330801][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  285.330801][   T10]      addrconf_add_dev+0xe2/0x170
[  285.330801][   T10]      inet6_addr_add+0x12f/0xa40
[  285.330801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.330801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.330801][   T10]      netlink_rcv_skb+0x130/0x360
[  285.330801][   T10]      netlink_unicast+0x449/0x710
[  285.330801][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.330801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.330801][   T10]      ___sys_sendmsg+0xee/0x170
[  285.330801][   T10]      __sys_sendmsg+0xcd/0x170
[  285.330801][   T10]      do_syscall_64+0xc6/0x1e0
[  285.330801][   T10] 
[  285.332787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.332787][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  285.332787][   T10]      ipv6_find_idev+0x102/0x170
[  285.332787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  285.332787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.332787][   T10]      netlink_rcv_skb+0x130/0x360
[  285.332787][   T10]      netlink_unicast+0x449/0x710
[  285.332787][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.332787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.332787][   T10]      ___sys_sendmsg+0xee/0x170
[  285.332787][   T10]      __sys_sendmsg+0xcd/0x170
[  285.332787][   T10]      do_syscall_64+0xc6/0x1e0
[  285.332787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.332787][   T10] 
[  285.334574][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  285.334574][   T10]      neigh_parms_alloc+0x1e5/0x510
[  285.334574][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  285.334574][   T10]      ipv6_find_idev+0x102/0x170
[  285.334574][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  285.334574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.334574][   T10]      netlink_rcv_skb+0x130/0x360
[  285.334574][   T10]      netlink_unicast+0x449/0x710
[  285.334574][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.334574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.334574][   T10]      ___sys_sendmsg+0xee/0x170
[  285.334574][   T10]      __sys_sendmsg+0xcd/0x170
[  285.334574][   T10]      do_syscall_64+0xc6/0x1e0
[  285.334574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.334574][   T10] 
[  285.336508][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  285.336777][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.336777][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  285.336777][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  285.336777][   T10]      fib6_nh_init+0xa22/0x1580
[  285.336777][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.336777][   T10]      ip6_route_add+0x1c/0x140
[  285.336777][   T10]      inet6_rtm_newroute+0x104/0x110
[  285.336777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.336777][   T10]      netlink_rcv_skb+0x130/0x360
[  285.336777][   T10]      netlink_unicast+0x449/0x710
[  285.336777][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.336777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.336777][   T10]      ___sys_sendmsg+0xee/0x170
[  285.336777][   T10]      __sys_sendmsg+0xcd/0x170
[  285.336777][   T10]      do_syscall_64+0xc6/0x1e0
[  285.336777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.336777][   T10] 
[  285.338914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.338914][   T10]      dst_init+0x84/0x4a0
[  285.338914][   T10]      dst_alloc+0x97/0x150
[  285.338914][   T10]      ip6_dst_alloc+0x23/0x90
[  285.338914][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  285.338914][   T10]      ip6_pol_route+0x56f/0x840
[  285.338914][   T10]      fib6_rule_lookup+0x456/0x630
[  285.338914][   T10]      ip6_route_input+0x59c/0xa50
[  285.338914][   T10]      ipv6_rcv+0x397/0x810
[  285.338914][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  285.338914][   T10]      process_backlog+0x101/0x620
[  285.338914][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  285.338914][   T10]      net_rx_action+0x495/0xbe0
[  285.338914][   T10]      __do_softirq+0x1b5/0x7f6
[  285.338914][   T10] 
[  285.340742][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.340742][   T10]      netdev_get_by_index+0x5e/0x80
[  285.340742][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.340742][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.340742][   T10]      addrconf_f6i_alloc+0x265/0x560
[  285.340742][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  285.340742][   T10]      addrconf_join_anycast+0x1c0/0x220
[  285.340742][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  285.340742][   T10]      addrconf_dad_completed+0x12b/0xe20
[  285.340742][   T10]      addrconf_dad_begin+0x310/0x670
[  285.340742][   T10]      addrconf_dad_work+0x10b/0xab0
[  285.340742][   T10]      process_one_work+0x84d/0x18a0
[  285.340742][   T10]      worker_thread+0x587/0xd30
[  285.340742][   T10]      kthread+0x28a/0x350
[  285.340742][   T10]      ret_from_fork+0x31/0x70
[  285.340742][   T10]      ret_from_fork_asm+0x1a/0x30
[  285.340742][   T10] 
[  285.342854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.342854][   T10]      netdev_get_by_index+0x5e/0x80
[  285.342854][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.342854][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.342854][   T10]      ip6_route_add+0x1c/0x140
[  285.342854][   T10]      addrconf_prefix_route+0x2a6/0x430
[  285.342854][   T10]      inet6_addr_add+0x4f8/0xa40
[  285.342854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.342854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.342854][   T10]      netlink_rcv_skb+0x130/0x360
[  285.342854][   T10]      netlink_unicast+0x449/0x710
[  285.342854][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.342854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.342854][   T10]      ___sys_sendmsg+0xee/0x170
[  285.342854][   T10]      __sys_sendmsg+0xcd/0x170
[  285.342854][   T10]      do_syscall_64+0xc6/0x1e0
[  285.342854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.342854][   T10] 
[  285.345130][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.345130][   T10]      netdev_get_by_index+0x5e/0x80
[  285.345130][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.345130][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.345130][   T10]      addrconf_f6i_alloc+0x315/0x560
[  285.345130][   T10]      ipv6_add_addr+0x411/0x2000
[  285.345130][   T10]      inet6_addr_add+0x30e/0xa40
[  285.345130][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.345130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.345130][   T10]      netlink_rcv_skb+0x130/0x360
[  285.345130][   T10]      netlink_unicast+0x449/0x710
[  285.345130][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.345130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.345130][   T10]      ___sys_sendmsg+0xee/0x170
[  285.345130][   T10]      __sys_sendmsg+0xcd/0x170
[  285.345130][   T10]      do_syscall_64+0xc6/0x1e0
[  285.345130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.345130][   T10] 
[  285.347334][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.347334][   T10]      netdev_get_by_index+0x5e/0x80
[  285.347334][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.347334][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.347334][   T10]      ip6_route_add+0x1c/0x140
[  285.347334][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  285.347334][   T10]      addrconf_add_dev+0xe2/0x170
[  285.347334][   T10]      inet6_addr_add+0x12f/0xa40
[  285.347334][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.347334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.347334][   T10]      netlink_rcv_skb+0x130/0x360
[  285.347334][   T10]      netlink_unicast+0x449/0x710
[  285.347334][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.347334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.347334][   T10]      ___sys_sendmsg+0xee/0x170
[  285.347334][   T10]      __sys_sendmsg+0xcd/0x170
[  285.347334][   T10]      do_syscall_64+0xc6/0x1e0
[  285.347334][   T10] 
[  285.349497][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.349497][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  285.349497][   T10]      ipv6_find_idev+0x102/0x170
[  285.349497][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  285.349497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.349497][   T10]      netlink_rcv_skb+0x130/0x360
[  285.349497][   T10]      netlink_unicast+0x449/0x710
[  285.349497][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.349497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.349497][   T10]      ___sys_sendmsg+0xee/0x170
[  285.349497][   T10]      __sys_sendmsg+0xcd/0x170
[  285.349497][   T10]      do_syscall_64+0xc6/0x1e0
[  285.349497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.349497][   T10] 
[  285.351185][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  285.351185][   T10]      neigh_parms_alloc+0x1e5/0x510
[  285.351185][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  285.351185][   T10]      ipv6_find_idev+0x102/0x170
[  285.351185][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  285.351185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.351185][   T10]      netlink_rcv_skb+0x130/0x360
[  285.351185][   T10]      netlink_unicast+0x449/0x710
[  285.351185][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.351185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.351185][   T10]      ___sys_sendmsg+0xee/0x170
[  285.351185][   T10]      __sys_sendmsg+0xcd/0x170
[  285.351185][   T10]      do_syscall_64+0xc6/0x1e0
[  285.351185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.351185][   T10] 
[  285.353112][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  285.353424][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  285.353424][   T10]      netdev_get_by_index+0x5e/0x80
[  285.353424][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.353424][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.353424][   T10]      ip6_route_add+0x1c/0x140
[  285.353424][   T10]      addrconf_prefix_route+0x2a6/0x430
[  285.353424][   T10]      inet6_addr_add+0x4f8/0xa40
[  285.353424][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.353424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.353424][   T10]      netlink_rcv_skb+0x130/0x360
[  285.353424][   T10]      netlink_unicast+0x449/0x710
[  285.353424][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.353424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.353424][   T10]      ___sys_sendmsg+0xee/0x170
[  285.353424][   T10]      __sys_sendmsg+0xcd/0x170
[  285.353424][   T10]      do_syscall_64+0xc6/0x1e0
[  285.353424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.353424][   T10] 
[  285.355552][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  285.355552][   T10]      netdev_get_by_index+0x5e/0x80
[  285.355552][   T10]      fib6_nh_init+0x3d8/0x1580
[  285.355552][   T10]      ip6_route_info_create+0xf18/0x17d0
[  285.355552][   T10]      addrconf_f6i_alloc+0x315/0x560
[  285.355552][   T10]      ipv6_add_addr+0x411/0x2000
[  285.355552][   T10]      inet6_addr_add+0x30e/0xa40
[  285.355552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  285.355552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.355552][   T10]      netlink_rcv_skb+0x130/0x360
[  285.355552][   T10]      netlink_unicast+0x449/0x710
[  285.355552][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.355552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.355552][   T10]      ___sys_sendmsg+0xee/0x170
[  285.355552][   T10]      __sys_sendmsg+0xcd/0x170
[  285.355552][   T10]      do_syscall_64+0xc6/0x1e0
[  285.355552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.355552][   T10] 
[  285.357773][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  285.357773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  285.357773][   T10]      ipv6_find_idev+0x102/0x170
[  285.357773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  285.357773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.357773][   T10]      netlink_rcv_skb+0x130/0x360
[  285.357773][   T10]      netlink_unicast+0x449/0x710
[  285.357773][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.357773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.357773][   T10]      ___sys_sendmsg+0xee/0x170
[  285.357773][   T10]      __sys_sendmsg+0xcd/0x170
[  285.357773][   T10]      do_syscall_64+0xc6/0x1e0
[  285.357773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.357773][   T10] 
[  285.359596][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  285.359596][   T10]      neigh_parms_alloc+0x1e5/0x510
[  285.359596][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  285.359596][   T10]      ipv6_find_idev+0x102/0x170
[  285.359596][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  285.359596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  285.359596][   T10]      netlink_rcv_skb+0x130/0x360
[  285.359596][   T10]      netlink_unicast+0x449/0x710
[  285.359596][   T10]      netlink_sendmsg+0x723/0xbe0
[  285.359596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  285.359596][   T10]      ___sys_sendmsg+0xee/0x170
[  285.359596][   T10]      __sys_sendmsg+0xcd/0x170
[  285.359596][   T10]      do_syscall_64+0xc6/0x1e0
[  285.359596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  285.359596][   T10] 
[  295.497605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  295.497927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.497927][   T10]      dst_init+0x84/0x4a0
[  295.497927][   T10]      dst_alloc+0x97/0x150
[  295.497927][   T10]      ip6_dst_alloc+0x23/0x90
[  295.497927][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  295.497927][   T10]      ip6_pol_route+0x56f/0x840
[  295.497927][   T10]      fib6_rule_lookup+0x456/0x630
[  295.497927][   T10]      ip6_route_input+0x59c/0xa50
[  295.497927][   T10]      ipv6_rcv+0x397/0x810
[  295.497927][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  295.497927][   T10]      process_backlog+0x101/0x620
[  295.497927][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  295.497927][   T10]      net_rx_action+0x495/0xbe0
[  295.497927][   T10]      __do_softirq+0x1b5/0x7f6
[  295.497927][   T10] 
[  295.499659][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.499659][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  295.499659][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  295.499659][   T10]      fib6_nh_init+0xa22/0x1580
[  295.499659][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.499659][   T10]      ip6_route_add+0x1c/0x140
[  295.499659][   T10]      inet6_rtm_newroute+0x104/0x110
[  295.499659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.499659][   T10]      netlink_rcv_skb+0x130/0x360
[  295.499659][   T10]      netlink_unicast+0x449/0x710
[  295.499659][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.499659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.499659][   T10]      ___sys_sendmsg+0xee/0x170
[  295.499659][   T10]      __sys_sendmsg+0xcd/0x170
[  295.499659][   T10]      do_syscall_64+0xc6/0x1e0
[  295.499659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.499659][   T10] 
[  295.501592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.501592][   T10]      netdev_get_by_index+0x5e/0x80
[  295.501592][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.501592][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.501592][   T10]      addrconf_f6i_alloc+0x265/0x560
[  295.501592][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  295.501592][   T10]      addrconf_join_anycast+0x1c0/0x220
[  295.501592][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  295.501592][   T10]      addrconf_dad_completed+0x12b/0xe20
[  295.501592][   T10]      addrconf_dad_begin+0x310/0x670
[  295.501592][   T10]      addrconf_dad_work+0x10b/0xab0
[  295.501592][   T10]      process_one_work+0x84d/0x18a0
[  295.501592][   T10]      worker_thread+0x587/0xd30
[  295.501592][   T10]      kthread+0x28a/0x350
[  295.501592][   T10]      ret_from_fork+0x31/0x70
[  295.501592][   T10]      ret_from_fork_asm+0x1a/0x30
[  295.501592][   T10] 
[  295.503549][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.503549][   T10]      netdev_get_by_index+0x5e/0x80
[  295.503549][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.503549][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.503549][   T10]      ip6_route_add+0x1c/0x140
[  295.503549][   T10]      addrconf_prefix_route+0x2a6/0x430
[  295.503549][   T10]      inet6_addr_add+0x4f8/0xa40
[  295.503549][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.503549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.503549][   T10]      netlink_rcv_skb+0x130/0x360
[  295.503549][   T10]      netlink_unicast+0x449/0x710
[  295.503549][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.503549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.503549][   T10]      ___sys_sendmsg+0xee/0x170
[  295.503549][   T10]      __sys_sendmsg+0xcd/0x170
[  295.503549][   T10]      do_syscall_64+0xc6/0x1e0
[  295.503549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.503549][   T10] 
[  295.505605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.505605][   T10]      netdev_get_by_index+0x5e/0x80
[  295.505605][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.505605][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.505605][   T10]      addrconf_f6i_alloc+0x315/0x560
[  295.505605][   T10]      ipv6_add_addr+0x411/0x2000
[  295.505605][   T10]      inet6_addr_add+0x30e/0xa40
[  295.505605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.505605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.505605][   T10]      netlink_rcv_skb+0x130/0x360
[  295.505605][   T10]      netlink_unicast+0x449/0x710
[  295.505605][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.505605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.505605][   T10]      ___sys_sendmsg+0xee/0x170
[  295.505605][   T10]      __sys_sendmsg+0xcd/0x170
[  295.505605][   T10]      do_syscall_64+0xc6/0x1e0
[  295.505605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.505605][   T10] 
[  295.507633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.507633][   T10]      netdev_get_by_index+0x5e/0x80
[  295.507633][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.507633][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.507633][   T10]      ip6_route_add+0x1c/0x140
[  295.507633][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  295.507633][   T10]      addrconf_add_dev+0xe2/0x170
[  295.507633][   T10]      inet6_addr_add+0x12f/0xa40
[  295.507633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.507633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.507633][   T10]      netlink_rcv_skb+0x130/0x360
[  295.507633][   T10]      netlink_unicast+0x449/0x710
[  295.507633][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.507633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.507633][   T10]      ___sys_sendmsg+0xee/0x170
[  295.507633][   T10]      __sys_sendmsg+0xcd/0x170
[  295.507633][   T10]      do_syscall_64+0xc6/0x1e0
[  295.507633][   T10] 
[  295.509619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.509619][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  295.509619][   T10]      ipv6_find_idev+0x102/0x170
[  295.509619][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  295.509619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.509619][   T10]      netlink_rcv_skb+0x130/0x360
[  295.509619][   T10]      netlink_unicast+0x449/0x710
[  295.509619][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.509619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.509619][   T10]      ___sys_sendmsg+0xee/0x170
[  295.509619][   T10]      __sys_sendmsg+0xcd/0x170
[  295.509619][   T10]      do_syscall_64+0xc6/0x1e0
[  295.509619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.509619][   T10] 
[  295.511316][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  295.511316][   T10]      neigh_parms_alloc+0x1e5/0x510
[  295.511316][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  295.511316][   T10]      ipv6_find_idev+0x102/0x170
[  295.511316][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  295.511316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.511316][   T10]      netlink_rcv_skb+0x130/0x360
[  295.511316][   T10]      netlink_unicast+0x449/0x710
[  295.511316][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.511316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.511316][   T10]      ___sys_sendmsg+0xee/0x170
[  295.511316][   T10]      __sys_sendmsg+0xcd/0x170
[  295.511316][   T10]      do_syscall_64+0xc6/0x1e0
[  295.511316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.511316][   T10] 
[  295.513295][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  295.513547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.513547][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  295.513547][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  295.513547][   T10]      fib6_nh_init+0xa22/0x1580
[  295.513547][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.513547][   T10]      ip6_route_add+0x1c/0x140
[  295.513547][   T10]      inet6_rtm_newroute+0x104/0x110
[  295.513547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.513547][   T10]      netlink_rcv_skb+0x130/0x360
[  295.513547][   T10]      netlink_unicast+0x449/0x710
[  295.513547][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.513547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.513547][   T10]      ___sys_sendmsg+0xee/0x170
[  295.513547][   T10]      __sys_sendmsg+0xcd/0x170
[  295.513547][   T10]      do_syscall_64+0xc6/0x1e0
[  295.513547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.513547][   T10] 
[  295.515555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.515555][   T10]      dst_init+0x84/0x4a0
[  295.515555][   T10]      dst_alloc+0x97/0x150
[  295.515555][   T10]      ip6_dst_alloc+0x23/0x90
[  295.515555][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  295.515555][   T10]      ip6_pol_route+0x56f/0x840
[  295.515555][   T10]      fib6_rule_lookup+0x456/0x630
[  295.515555][   T10]      ip6_route_input+0x59c/0xa50
[  295.515555][   T10]      ipv6_rcv+0x397/0x810
[  295.515555][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  295.515555][   T10]      process_backlog+0x101/0x620
[  295.515555][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  295.515555][   T10]      net_rx_action+0x495/0xbe0
[  295.515555][   T10]      __do_softirq+0x1b5/0x7f6
[  295.515555][   T10] 
[  295.517466][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.517466][   T10]      netdev_get_by_index+0x5e/0x80
[  295.517466][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.517466][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.517466][   T10]      addrconf_f6i_alloc+0x265/0x560
[  295.517466][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  295.517466][   T10]      addrconf_join_anycast+0x1c0/0x220
[  295.517466][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  295.517466][   T10]      addrconf_dad_completed+0x12b/0xe20
[  295.517466][   T10]      addrconf_dad_begin+0x310/0x670
[  295.517466][   T10]      addrconf_dad_work+0x10b/0xab0
[  295.517466][   T10]      process_one_work+0x84d/0x18a0
[  295.517466][   T10]      worker_thread+0x587/0xd30
[  295.517466][   T10]      kthread+0x28a/0x350
[  295.517466][   T10]      ret_from_fork+0x31/0x70
[  295.517466][   T10]      ret_from_fork_asm+0x1a/0x30
[  295.517466][   T10] 
[  295.519547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.519547][   T10]      netdev_get_by_index+0x5e/0x80
[  295.519547][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.519547][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.519547][   T10]      ip6_route_add+0x1c/0x140
[  295.519547][   T10]      addrconf_prefix_route+0x2a6/0x430
[  295.519547][   T10]      inet6_addr_add+0x4f8/0xa40
[  295.519547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.519547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.519547][   T10]      netlink_rcv_skb+0x130/0x360
[  295.519547][   T10]      netlink_unicast+0x449/0x710
[  295.519547][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.519547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.519547][   T10]      ___sys_sendmsg+0xee/0x170
[  295.519547][   T10]      __sys_sendmsg+0xcd/0x170
[  295.519547][   T10]      do_syscall_64+0xc6/0x1e0
[  295.519547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.519547][   T10] 
[  295.521774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.521774][   T10]      netdev_get_by_index+0x5e/0x80
[  295.521774][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.521774][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.521774][   T10]      addrconf_f6i_alloc+0x315/0x560
[  295.521774][   T10]      ipv6_add_addr+0x411/0x2000
[  295.521774][   T10]      inet6_addr_add+0x30e/0xa40
[  295.521774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.521774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.521774][   T10]      netlink_rcv_skb+0x130/0x360
[  295.521774][   T10]      netlink_unicast+0x449/0x710
[  295.521774][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.521774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.521774][   T10]      ___sys_sendmsg+0xee/0x170
[  295.521774][   T10]      __sys_sendmsg+0xcd/0x170
[  295.521774][   T10]      do_syscall_64+0xc6/0x1e0
[  295.521774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.521774][   T10] 
[  295.524084][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.524084][   T10]      netdev_get_by_index+0x5e/0x80
[  295.524084][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.524084][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.524084][   T10]      ip6_route_add+0x1c/0x140
[  295.524084][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  295.524084][   T10]      addrconf_add_dev+0xe2/0x170
[  295.524084][   T10]      inet6_addr_add+0x12f/0xa40
[  295.524084][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.524084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.524084][   T10]      netlink_rcv_skb+0x130/0x360
[  295.524084][   T10]      netlink_unicast+0x449/0x710
[  295.524084][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.524084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.524084][   T10]      ___sys_sendmsg+0xee/0x170
[  295.524084][   T10]      __sys_sendmsg+0xcd/0x170
[  295.524084][   T10]      do_syscall_64+0xc6/0x1e0
[  295.524084][   T10] 
[  295.526488][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.526488][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  295.526488][   T10]      ipv6_find_idev+0x102/0x170
[  295.526488][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  295.526488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.526488][   T10]      netlink_rcv_skb+0x130/0x360
[  295.526488][   T10]      netlink_unicast+0x449/0x710
[  295.526488][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.526488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.526488][   T10]      ___sys_sendmsg+0xee/0x170
[  295.526488][   T10]      __sys_sendmsg+0xcd/0x170
[  295.526488][   T10]      do_syscall_64+0xc6/0x1e0
[  295.526488][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.526488][   T10] 
[  295.528315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  295.528315][   T10]      neigh_parms_alloc+0x1e5/0x510
[  295.528315][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  295.528315][   T10]      ipv6_find_idev+0x102/0x170
[  295.528315][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  295.528315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.528315][   T10]      netlink_rcv_skb+0x130/0x360
[  295.528315][   T10]      netlink_unicast+0x449/0x710
[  295.528315][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.528315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.528315][   T10]      ___sys_sendmsg+0xee/0x170
[  295.528315][   T10]      __sys_sendmsg+0xcd/0x170
[  295.528315][   T10]      do_syscall_64+0xc6/0x1e0
[  295.528315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.528315][   T10] 
[  295.530233][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  295.530483][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  295.530483][   T10]      netdev_get_by_index+0x5e/0x80
[  295.530483][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.530483][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.530483][   T10]      ip6_route_add+0x1c/0x140
[  295.530483][   T10]      addrconf_prefix_route+0x2a6/0x430
[  295.530483][   T10]      inet6_addr_add+0x4f8/0xa40
[  295.530483][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.530483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.530483][   T10]      netlink_rcv_skb+0x130/0x360
[  295.530483][   T10]      netlink_unicast+0x449/0x710
[  295.530483][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.530483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.530483][   T10]      ___sys_sendmsg+0xee/0x170
[  295.530483][   T10]      __sys_sendmsg+0xcd/0x170
[  295.530483][   T10]      do_syscall_64+0xc6/0x1e0
[  295.530483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.530483][   T10] 
[  295.532814][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  295.532814][   T10]      netdev_get_by_index+0x5e/0x80
[  295.532814][   T10]      fib6_nh_init+0x3d8/0x1580
[  295.532814][   T10]      ip6_route_info_create+0xf18/0x17d0
[  295.532814][   T10]      addrconf_f6i_alloc+0x315/0x560
[  295.532814][   T10]      ipv6_add_addr+0x411/0x2000
[  295.532814][   T10]      inet6_addr_add+0x30e/0xa40
[  295.532814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  295.532814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.532814][   T10]      netlink_rcv_skb+0x130/0x360
[  295.532814][   T10]      netlink_unicast+0x449/0x710
[  295.532814][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.532814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.532814][   T10]      ___sys_sendmsg+0xee/0x170
[  295.532814][   T10]      __sys_sendmsg+0xcd/0x170
[  295.532814][   T10]      do_syscall_64+0xc6/0x1e0
[  295.532814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.532814][   T10] 
[  295.535100][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  295.535100][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  295.535100][   T10]      ipv6_find_idev+0x102/0x170
[  295.535100][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  295.535100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.535100][   T10]      netlink_rcv_skb+0x130/0x360
[  295.535100][   T10]      netlink_unicast+0x449/0x710
[  295.535100][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.535100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.535100][   T10]      ___sys_sendmsg+0xee/0x170
[  295.535100][   T10]      __sys_sendmsg+0xcd/0x170
[  295.535100][   T10]      do_syscall_64+0xc6/0x1e0
[  295.535100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.535100][   T10] 
[  295.536869][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  295.536869][   T10]      neigh_parms_alloc+0x1e5/0x510
[  295.536869][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  295.536869][   T10]      ipv6_find_idev+0x102/0x170
[  295.536869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  295.536869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  295.536869][   T10]      netlink_rcv_skb+0x130/0x360
[  295.536869][   T10]      netlink_unicast+0x449/0x710
[  295.536869][   T10]      netlink_sendmsg+0x723/0xbe0
[  295.536869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  295.536869][   T10]      ___sys_sendmsg+0xee/0x170
[  295.536869][   T10]      __sys_sendmsg+0xcd/0x170
[  295.536869][   T10]      do_syscall_64+0xc6/0x1e0
[  295.536869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  295.536869][   T10] 
[  301.141442][ T2179] veth0: renamed from veth1
[  305.100517][ T2206] br0: port 1(vx0) entered blocking state
[  305.100788][ T2206] br0: port 1(vx0) entered disabled state
[  305.100968][ T2206] vx0: entered allmulticast mode
[  305.102139][ T2206] vx0: entered promiscuous mode
[  305.104039][ T2206] br0: port 1(vx0) entered blocking state
[  305.104215][ T2206] br0: port 1(vx0) entered forwarding state
[  305.680617][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  305.680947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.680947][   T10]      dst_init+0x84/0x4a0
[  305.680947][   T10]      dst_alloc+0x97/0x150
[  305.680947][   T10]      ip6_dst_alloc+0x23/0x90
[  305.680947][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  305.680947][   T10]      ip6_pol_route+0x56f/0x840
[  305.680947][   T10]      fib6_rule_lookup+0x456/0x630
[  305.680947][   T10]      ip6_route_input+0x59c/0xa50
[  305.680947][   T10]      ipv6_rcv+0x397/0x810
[  305.680947][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  305.680947][   T10]      process_backlog+0x101/0x620
[  305.680947][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  305.680947][   T10]      net_rx_action+0x495/0xbe0
[  305.680947][   T10]      __do_softirq+0x1b5/0x7f6
[  305.680947][   T10] 
[  305.682737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.682737][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  305.682737][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  305.682737][   T10]      fib6_nh_init+0xa22/0x1580
[  305.682737][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.682737][   T10]      ip6_route_add+0x1c/0x140
[  305.682737][   T10]      inet6_rtm_newroute+0x104/0x110
[  305.682737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.682737][   T10]      netlink_rcv_skb+0x130/0x360
[  305.682737][   T10]      netlink_unicast+0x449/0x710
[  305.682737][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.682737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.682737][   T10]      ___sys_sendmsg+0xee/0x170
[  305.682737][   T10]      __sys_sendmsg+0xcd/0x170
[  305.682737][   T10]      do_syscall_64+0xc6/0x1e0
[  305.682737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.682737][   T10] 
[  305.684742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.684742][   T10]      netdev_get_by_index+0x5e/0x80
[  305.684742][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.684742][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.684742][   T10]      addrconf_f6i_alloc+0x265/0x560
[  305.684742][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  305.684742][   T10]      addrconf_join_anycast+0x1c0/0x220
[  305.684742][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  305.684742][   T10]      addrconf_dad_completed+0x12b/0xe20
[  305.684742][   T10]      addrconf_dad_begin+0x310/0x670
[  305.684742][   T10]      addrconf_dad_work+0x10b/0xab0
[  305.684742][   T10]      process_one_work+0x84d/0x18a0
[  305.684742][   T10]      worker_thread+0x587/0xd30
[  305.684742][   T10]      kthread+0x28a/0x350
[  305.684742][   T10]      ret_from_fork+0x31/0x70
[  305.684742][   T10]      ret_from_fork_asm+0x1a/0x30
[  305.684742][   T10] 
[  305.686759][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.686759][   T10]      netdev_get_by_index+0x5e/0x80
[  305.686759][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.686759][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.686759][   T10]      ip6_route_add+0x1c/0x140
[  305.686759][   T10]      addrconf_prefix_route+0x2a6/0x430
[  305.686759][   T10]      inet6_addr_add+0x4f8/0xa40
[  305.686759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.686759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.686759][   T10]      netlink_rcv_skb+0x130/0x360
[  305.686759][   T10]      netlink_unicast+0x449/0x710
[  305.686759][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.686759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.686759][   T10]      ___sys_sendmsg+0xee/0x170
[  305.686759][   T10]      __sys_sendmsg+0xcd/0x170
[  305.686759][   T10]      do_syscall_64+0xc6/0x1e0
[  305.686759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.686759][   T10] 
[  305.688886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.688886][   T10]      netdev_get_by_index+0x5e/0x80
[  305.688886][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.688886][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.688886][   T10]      addrconf_f6i_alloc+0x315/0x560
[  305.688886][   T10]      ipv6_add_addr+0x411/0x2000
[  305.688886][   T10]      inet6_addr_add+0x30e/0xa40
[  305.688886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.688886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.688886][   T10]      netlink_rcv_skb+0x130/0x360
[  305.688886][   T10]      netlink_unicast+0x449/0x710
[  305.688886][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.688886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.688886][   T10]      ___sys_sendmsg+0xee/0x170
[  305.688886][   T10]      __sys_sendmsg+0xcd/0x170
[  305.688886][   T10]      do_syscall_64+0xc6/0x1e0
[  305.688886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.688886][   T10] 
[  305.691025][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.691025][   T10]      netdev_get_by_index+0x5e/0x80
[  305.691025][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.691025][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.691025][   T10]      ip6_route_add+0x1c/0x140
[  305.691025][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  305.691025][   T10]      addrconf_add_dev+0xe2/0x170
[  305.691025][   T10]      inet6_addr_add+0x12f/0xa40
[  305.691025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.691025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.691025][   T10]      netlink_rcv_skb+0x130/0x360
[  305.691025][   T10]      netlink_unicast+0x449/0x710
[  305.691025][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.691025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.691025][   T10]      ___sys_sendmsg+0xee/0x170
[  305.691025][   T10]      __sys_sendmsg+0xcd/0x170
[  305.691025][   T10]      do_syscall_64+0xc6/0x1e0
[  305.691025][   T10] 
[  305.693122][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.693122][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  305.693122][   T10]      ipv6_find_idev+0x102/0x170
[  305.693122][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  305.693122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.693122][   T10]      netlink_rcv_skb+0x130/0x360
[  305.693122][   T10]      netlink_unicast+0x449/0x710
[  305.693122][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.693122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.693122][   T10]      ___sys_sendmsg+0xee/0x170
[  305.693122][   T10]      __sys_sendmsg+0xcd/0x170
[  305.693122][   T10]      do_syscall_64+0xc6/0x1e0
[  305.693122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.693122][   T10] 
[  305.694780][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  305.694780][   T10]      neigh_parms_alloc+0x1e5/0x510
[  305.694780][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  305.694780][   T10]      ipv6_find_idev+0x102/0x170
[  305.694780][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  305.694780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.694780][   T10]      netlink_rcv_skb+0x130/0x360
[  305.694780][   T10]      netlink_unicast+0x449/0x710
[  305.694780][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.694780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.694780][   T10]      ___sys_sendmsg+0xee/0x170
[  305.694780][   T10]      __sys_sendmsg+0xcd/0x170
[  305.694780][   T10]      do_syscall_64+0xc6/0x1e0
[  305.694780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.694780][   T10] 
[  305.696598][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  305.696857][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.696857][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  305.696857][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  305.696857][   T10]      fib6_nh_init+0xa22/0x1580
[  305.696857][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.696857][   T10]      ip6_route_add+0x1c/0x140
[  305.696857][   T10]      inet6_rtm_newroute+0x104/0x110
[  305.696857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.696857][   T10]      netlink_rcv_skb+0x130/0x360
[  305.696857][   T10]      netlink_unicast+0x449/0x710
[  305.696857][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.696857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.696857][   T10]      ___sys_sendmsg+0xee/0x170
[  305.696857][   T10]      __sys_sendmsg+0xcd/0x170
[  305.696857][   T10]      do_syscall_64+0xc6/0x1e0
[  305.696857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.696857][   T10] 
[  305.698830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.698830][   T10]      dst_init+0x84/0x4a0
[  305.698830][   T10]      dst_alloc+0x97/0x150
[  305.698830][   T10]      ip6_dst_alloc+0x23/0x90
[  305.698830][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  305.698830][   T10]      ip6_pol_route+0x56f/0x840
[  305.698830][   T10]      fib6_rule_lookup+0x456/0x630
[  305.698830][   T10]      ip6_route_input+0x59c/0xa50
[  305.698830][   T10]      ipv6_rcv+0x397/0x810
[  305.698830][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  305.698830][   T10]      process_backlog+0x101/0x620
[  305.698830][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  305.698830][   T10]      net_rx_action+0x495/0xbe0
[  305.698830][   T10]      __do_softirq+0x1b5/0x7f6
[  305.698830][   T10] 
[  305.700688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.700688][   T10]      netdev_get_by_index+0x5e/0x80
[  305.700688][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.700688][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.700688][   T10]      addrconf_f6i_alloc+0x265/0x560
[  305.700688][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  305.700688][   T10]      addrconf_join_anycast+0x1c0/0x220
[  305.700688][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  305.700688][   T10]      addrconf_dad_completed+0x12b/0xe20
[  305.700688][   T10]      addrconf_dad_begin+0x310/0x670
[  305.700688][   T10]      addrconf_dad_work+0x10b/0xab0
[  305.700688][   T10]      process_one_work+0x84d/0x18a0
[  305.700688][   T10]      worker_thread+0x587/0xd30
[  305.700688][   T10]      kthread+0x28a/0x350
[  305.700688][   T10]      ret_from_fork+0x31/0x70
[  305.700688][   T10]      ret_from_fork_asm+0x1a/0x30
[  305.700688][   T10] 
[  305.702989][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.702989][   T10]      netdev_get_by_index+0x5e/0x80
[  305.702989][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.702989][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.702989][   T10]      ip6_route_add+0x1c/0x140
[  305.702989][   T10]      addrconf_prefix_route+0x2a6/0x430
[  305.702989][   T10]      inet6_addr_add+0x4f8/0xa40
[  305.702989][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.702989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.702989][   T10]      netlink_rcv_skb+0x130/0x360
[  305.702989][   T10]      netlink_unicast+0x449/0x710
[  305.702989][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.702989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.702989][   T10]      ___sys_sendmsg+0xee/0x170
[  305.702989][   T10]      __sys_sendmsg+0xcd/0x170
[  305.702989][   T10]      do_syscall_64+0xc6/0x1e0
[  305.702989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.702989][   T10] 
[  305.705297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.705297][   T10]      netdev_get_by_index+0x5e/0x80
[  305.705297][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.705297][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.705297][   T10]      addrconf_f6i_alloc+0x315/0x560
[  305.705297][   T10]      ipv6_add_addr+0x411/0x2000
[  305.705297][   T10]      inet6_addr_add+0x30e/0xa40
[  305.705297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.705297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.705297][   T10]      netlink_rcv_skb+0x130/0x360
[  305.705297][   T10]      netlink_unicast+0x449/0x710
[  305.705297][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.705297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.705297][   T10]      ___sys_sendmsg+0xee/0x170
[  305.705297][   T10]      __sys_sendmsg+0xcd/0x170
[  305.705297][   T10]      do_syscall_64+0xc6/0x1e0
[  305.705297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.705297][   T10] 
[  305.707646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.707646][   T10]      netdev_get_by_index+0x5e/0x80
[  305.707646][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.707646][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.707646][   T10]      ip6_route_add+0x1c/0x140
[  305.707646][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  305.707646][   T10]      addrconf_add_dev+0xe2/0x170
[  305.707646][   T10]      inet6_addr_add+0x12f/0xa40
[  305.707646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.707646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.707646][   T10]      netlink_rcv_skb+0x130/0x360
[  305.707646][   T10]      netlink_unicast+0x449/0x710
[  305.707646][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.707646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.707646][   T10]      ___sys_sendmsg+0xee/0x170
[  305.707646][   T10]      __sys_sendmsg+0xcd/0x170
[  305.707646][   T10]      do_syscall_64+0xc6/0x1e0
[  305.707646][   T10] 
[  305.709875][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.709875][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  305.709875][   T10]      ipv6_find_idev+0x102/0x170
[  305.709875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  305.709875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.709875][   T10]      netlink_rcv_skb+0x130/0x360
[  305.709875][   T10]      netlink_unicast+0x449/0x710
[  305.709875][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.709875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.709875][   T10]      ___sys_sendmsg+0xee/0x170
[  305.709875][   T10]      __sys_sendmsg+0xcd/0x170
[  305.709875][   T10]      do_syscall_64+0xc6/0x1e0
[  305.709875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.709875][   T10] 
[  305.711743][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  305.711743][   T10]      neigh_parms_alloc+0x1e5/0x510
[  305.711743][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  305.711743][   T10]      ipv6_find_idev+0x102/0x170
[  305.711743][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  305.711743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.711743][   T10]      netlink_rcv_skb+0x130/0x360
[  305.711743][   T10]      netlink_unicast+0x449/0x710
[  305.711743][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.711743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.711743][   T10]      ___sys_sendmsg+0xee/0x170
[  305.711743][   T10]      __sys_sendmsg+0xcd/0x170
[  305.711743][   T10]      do_syscall_64+0xc6/0x1e0
[  305.711743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.711743][   T10] 
[  305.713814][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  305.714073][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  305.714073][   T10]      netdev_get_by_index+0x5e/0x80
[  305.714073][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.714073][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.714073][   T10]      ip6_route_add+0x1c/0x140
[  305.714073][   T10]      addrconf_prefix_route+0x2a6/0x430
[  305.714073][   T10]      inet6_addr_add+0x4f8/0xa40
[  305.714073][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.714073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.714073][   T10]      netlink_rcv_skb+0x130/0x360
[  305.714073][   T10]      netlink_unicast+0x449/0x710
[  305.714073][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.714073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.714073][   T10]      ___sys_sendmsg+0xee/0x170
[  305.714073][   T10]      __sys_sendmsg+0xcd/0x170
[  305.714073][   T10]      do_syscall_64+0xc6/0x1e0
[  305.714073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.714073][   T10] 
[  305.716462][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  305.716462][   T10]      netdev_get_by_index+0x5e/0x80
[  305.716462][   T10]      fib6_nh_init+0x3d8/0x1580
[  305.716462][   T10]      ip6_route_info_create+0xf18/0x17d0
[  305.716462][   T10]      addrconf_f6i_alloc+0x315/0x560
[  305.716462][   T10]      ipv6_add_addr+0x411/0x2000
[  305.716462][   T10]      inet6_addr_add+0x30e/0xa40
[  305.716462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  305.716462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.716462][   T10]      netlink_rcv_skb+0x130/0x360
[  305.716462][   T10]      netlink_unicast+0x449/0x710
[  305.716462][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.716462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.716462][   T10]      ___sys_sendmsg+0xee/0x170
[  305.716462][   T10]      __sys_sendmsg+0xcd/0x170
[  305.716462][   T10]      do_syscall_64+0xc6/0x1e0
[  305.716462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.716462][   T10] 
[  305.718735][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  305.718735][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  305.718735][   T10]      ipv6_find_idev+0x102/0x170
[  305.718735][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  305.718735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.718735][   T10]      netlink_rcv_skb+0x130/0x360
[  305.718735][   T10]      netlink_unicast+0x449/0x710
[  305.718735][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.718735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.718735][   T10]      ___sys_sendmsg+0xee/0x170
[  305.718735][   T10]      __sys_sendmsg+0xcd/0x170
[  305.718735][   T10]      do_syscall_64+0xc6/0x1e0
[  305.718735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.718735][   T10] 
[  305.720507][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  305.720507][   T10]      neigh_parms_alloc+0x1e5/0x510
[  305.720507][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  305.720507][   T10]      ipv6_find_idev+0x102/0x170
[  305.720507][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  305.720507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  305.720507][   T10]      netlink_rcv_skb+0x130/0x360
[  305.720507][   T10]      netlink_unicast+0x449/0x710
[  305.720507][   T10]      netlink_sendmsg+0x723/0xbe0
[  305.720507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  305.720507][   T10]      ___sys_sendmsg+0xee/0x170
[  305.720507][   T10]      __sys_sendmsg+0xcd/0x170
[  305.720507][   T10]      do_syscall_64+0xc6/0x1e0
[  305.720507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  305.720507][   T10] 
[  310.672267][ T2236] br0: port 1(vx0) entered blocking state
[  310.672554][ T2236] br0: port 1(vx0) entered disabled state
[  310.672756][ T2236] vx0: entered allmulticast mode
[  310.673943][ T2236] vx0: entered promiscuous mode
[  310.682492][ T2236] br0: port 1(vx0) entered blocking state
[  310.682696][ T2236] br0: port 1(vx0) entered forwarding state
[  314.767106][ T2267] veth0: renamed from veth1
[  315.825606][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  315.825950][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.825950][   T10]      dst_init+0x84/0x4a0
[  315.825950][   T10]      dst_alloc+0x97/0x150
[  315.825950][   T10]      ip6_dst_alloc+0x23/0x90
[  315.825950][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  315.825950][   T10]      ip6_pol_route+0x56f/0x840
[  315.825950][   T10]      fib6_rule_lookup+0x456/0x630
[  315.825950][   T10]      ip6_route_input+0x59c/0xa50
[  315.825950][   T10]      ipv6_rcv+0x397/0x810
[  315.825950][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  315.825950][   T10]      process_backlog+0x101/0x620
[  315.825950][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  315.825950][   T10]      net_rx_action+0x495/0xbe0
[  315.825950][   T10]      __do_softirq+0x1b5/0x7f6
[  315.825950][   T10] 
[  315.827743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.827743][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  315.827743][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  315.827743][   T10]      fib6_nh_init+0xa22/0x1580
[  315.827743][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.827743][   T10]      ip6_route_add+0x1c/0x140
[  315.827743][   T10]      inet6_rtm_newroute+0x104/0x110
[  315.827743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.827743][   T10]      netlink_rcv_skb+0x130/0x360
[  315.827743][   T10]      netlink_unicast+0x449/0x710
[  315.827743][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.827743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.827743][   T10]      ___sys_sendmsg+0xee/0x170
[  315.827743][   T10]      __sys_sendmsg+0xcd/0x170
[  315.827743][   T10]      do_syscall_64+0xc6/0x1e0
[  315.827743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.827743][   T10] 
[  315.829701][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.829701][   T10]      netdev_get_by_index+0x5e/0x80
[  315.829701][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.829701][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.829701][   T10]      addrconf_f6i_alloc+0x265/0x560
[  315.829701][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  315.829701][   T10]      addrconf_join_anycast+0x1c0/0x220
[  315.829701][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  315.829701][   T10]      addrconf_dad_completed+0x12b/0xe20
[  315.829701][   T10]      addrconf_dad_begin+0x310/0x670
[  315.829701][   T10]      addrconf_dad_work+0x10b/0xab0
[  315.829701][   T10]      process_one_work+0x84d/0x18a0
[  315.829701][   T10]      worker_thread+0x587/0xd30
[  315.829701][   T10]      kthread+0x28a/0x350
[  315.829701][   T10]      ret_from_fork+0x31/0x70
[  315.829701][   T10]      ret_from_fork_asm+0x1a/0x30
[  315.829701][   T10] 
[  315.831796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.831796][   T10]      netdev_get_by_index+0x5e/0x80
[  315.831796][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.831796][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.831796][   T10]      ip6_route_add+0x1c/0x140
[  315.831796][   T10]      addrconf_prefix_route+0x2a6/0x430
[  315.831796][   T10]      inet6_addr_add+0x4f8/0xa40
[  315.831796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.831796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.831796][   T10]      netlink_rcv_skb+0x130/0x360
[  315.831796][   T10]      netlink_unicast+0x449/0x710
[  315.831796][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.831796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.831796][   T10]      ___sys_sendmsg+0xee/0x170
[  315.831796][   T10]      __sys_sendmsg+0xcd/0x170
[  315.831796][   T10]      do_syscall_64+0xc6/0x1e0
[  315.831796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.831796][   T10] 
[  315.833818][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.833818][   T10]      netdev_get_by_index+0x5e/0x80
[  315.833818][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.833818][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.833818][   T10]      addrconf_f6i_alloc+0x315/0x560
[  315.833818][   T10]      ipv6_add_addr+0x411/0x2000
[  315.833818][   T10]      inet6_addr_add+0x30e/0xa40
[  315.833818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.833818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.833818][   T10]      netlink_rcv_skb+0x130/0x360
[  315.833818][   T10]      netlink_unicast+0x449/0x710
[  315.833818][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.833818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.833818][   T10]      ___sys_sendmsg+0xee/0x170
[  315.833818][   T10]      __sys_sendmsg+0xcd/0x170
[  315.833818][   T10]      do_syscall_64+0xc6/0x1e0
[  315.833818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.833818][   T10] 
[  315.835857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.835857][   T10]      netdev_get_by_index+0x5e/0x80
[  315.835857][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.835857][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.835857][   T10]      ip6_route_add+0x1c/0x140
[  315.835857][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  315.835857][   T10]      addrconf_add_dev+0xe2/0x170
[  315.835857][   T10]      inet6_addr_add+0x12f/0xa40
[  315.835857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.835857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.835857][   T10]      netlink_rcv_skb+0x130/0x360
[  315.835857][   T10]      netlink_unicast+0x449/0x710
[  315.835857][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.835857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.835857][   T10]      ___sys_sendmsg+0xee/0x170
[  315.835857][   T10]      __sys_sendmsg+0xcd/0x170
[  315.835857][   T10]      do_syscall_64+0xc6/0x1e0
[  315.835857][   T10] 
[  315.837893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.837893][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  315.837893][   T10]      ipv6_find_idev+0x102/0x170
[  315.837893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  315.837893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.837893][   T10]      netlink_rcv_skb+0x130/0x360
[  315.837893][   T10]      netlink_unicast+0x449/0x710
[  315.837893][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.837893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.837893][   T10]      ___sys_sendmsg+0xee/0x170
[  315.837893][   T10]      __sys_sendmsg+0xcd/0x170
[  315.837893][   T10]      do_syscall_64+0xc6/0x1e0
[  315.837893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.837893][   T10] 
[  315.839475][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  315.839475][   T10]      neigh_parms_alloc+0x1e5/0x510
[  315.839475][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  315.839475][   T10]      ipv6_find_idev+0x102/0x170
[  315.839475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  315.839475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.839475][   T10]      netlink_rcv_skb+0x130/0x360
[  315.839475][   T10]      netlink_unicast+0x449/0x710
[  315.839475][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.839475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.839475][   T10]      ___sys_sendmsg+0xee/0x170
[  315.839475][   T10]      __sys_sendmsg+0xcd/0x170
[  315.839475][   T10]      do_syscall_64+0xc6/0x1e0
[  315.839475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.839475][   T10] 
[  315.841265][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  315.841509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.841509][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  315.841509][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  315.841509][   T10]      fib6_nh_init+0xa22/0x1580
[  315.841509][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.841509][   T10]      ip6_route_add+0x1c/0x140
[  315.841509][   T10]      inet6_rtm_newroute+0x104/0x110
[  315.841509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.841509][   T10]      netlink_rcv_skb+0x130/0x360
[  315.841509][   T10]      netlink_unicast+0x449/0x710
[  315.841509][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.841509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.841509][   T10]      ___sys_sendmsg+0xee/0x170
[  315.841509][   T10]      __sys_sendmsg+0xcd/0x170
[  315.841509][   T10]      do_syscall_64+0xc6/0x1e0
[  315.841509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.841509][   T10] 
[  315.843557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.843557][   T10]      dst_init+0x84/0x4a0
[  315.843557][   T10]      dst_alloc+0x97/0x150
[  315.843557][   T10]      ip6_dst_alloc+0x23/0x90
[  315.843557][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  315.843557][   T10]      ip6_pol_route+0x56f/0x840
[  315.843557][   T10]      fib6_rule_lookup+0x456/0x630
[  315.843557][   T10]      ip6_route_input+0x59c/0xa50
[  315.843557][   T10]      ipv6_rcv+0x397/0x810
[  315.843557][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  315.843557][   T10]      process_backlog+0x101/0x620
[  315.843557][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  315.843557][   T10]      net_rx_action+0x495/0xbe0
[  315.843557][   T10]      __do_softirq+0x1b5/0x7f6
[  315.843557][   T10] 
[  315.845368][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.845368][   T10]      netdev_get_by_index+0x5e/0x80
[  315.845368][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.845368][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.845368][   T10]      addrconf_f6i_alloc+0x265/0x560
[  315.845368][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  315.845368][   T10]      addrconf_join_anycast+0x1c0/0x220
[  315.845368][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  315.845368][   T10]      addrconf_dad_completed+0x12b/0xe20
[  315.845368][   T10]      addrconf_dad_begin+0x310/0x670
[  315.845368][   T10]      addrconf_dad_work+0x10b/0xab0
[  315.845368][   T10]      process_one_work+0x84d/0x18a0
[  315.845368][   T10]      worker_thread+0x587/0xd30
[  315.845368][   T10]      kthread+0x28a/0x350
[  315.845368][   T10]      ret_from_fork+0x31/0x70
[  315.845368][   T10]      ret_from_fork_asm+0x1a/0x30
[  315.845368][   T10] 
[  315.847492][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.847492][   T10]      netdev_get_by_index+0x5e/0x80
[  315.847492][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.847492][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.847492][   T10]      ip6_route_add+0x1c/0x140
[  315.847492][   T10]      addrconf_prefix_route+0x2a6/0x430
[  315.847492][   T10]      inet6_addr_add+0x4f8/0xa40
[  315.847492][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.847492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.847492][   T10]      netlink_rcv_skb+0x130/0x360
[  315.847492][   T10]      netlink_unicast+0x449/0x710
[  315.847492][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.847492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.847492][   T10]      ___sys_sendmsg+0xee/0x170
[  315.847492][   T10]      __sys_sendmsg+0xcd/0x170
[  315.847492][   T10]      do_syscall_64+0xc6/0x1e0
[  315.847492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.847492][   T10] 
[  315.849905][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.849905][   T10]      netdev_get_by_index+0x5e/0x80
[  315.849905][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.849905][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.849905][   T10]      addrconf_f6i_alloc+0x315/0x560
[  315.849905][   T10]      ipv6_add_addr+0x411/0x2000
[  315.849905][   T10]      inet6_addr_add+0x30e/0xa40
[  315.849905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.849905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.849905][   T10]      netlink_rcv_skb+0x130/0x360
[  315.849905][   T10]      netlink_unicast+0x449/0x710
[  315.849905][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.849905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.849905][   T10]      ___sys_sendmsg+0xee/0x170
[  315.849905][   T10]      __sys_sendmsg+0xcd/0x170
[  315.849905][   T10]      do_syscall_64+0xc6/0x1e0
[  315.849905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.849905][   T10] 
[  315.852119][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.852119][   T10]      netdev_get_by_index+0x5e/0x80
[  315.852119][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.852119][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.852119][   T10]      ip6_route_add+0x1c/0x140
[  315.852119][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  315.852119][   T10]      addrconf_add_dev+0xe2/0x170
[  315.852119][   T10]      inet6_addr_add+0x12f/0xa40
[  315.852119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.852119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.852119][   T10]      netlink_rcv_skb+0x130/0x360
[  315.852119][   T10]      netlink_unicast+0x449/0x710
[  315.852119][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.852119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.852119][   T10]      ___sys_sendmsg+0xee/0x170
[  315.852119][   T10]      __sys_sendmsg+0xcd/0x170
[  315.852119][   T10]      do_syscall_64+0xc6/0x1e0
[  315.852119][   T10] 
[  315.854413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.854413][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  315.854413][   T10]      ipv6_find_idev+0x102/0x170
[  315.854413][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  315.854413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.854413][   T10]      netlink_rcv_skb+0x130/0x360
[  315.854413][   T10]      netlink_unicast+0x449/0x710
[  315.854413][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.854413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.854413][   T10]      ___sys_sendmsg+0xee/0x170
[  315.854413][   T10]      __sys_sendmsg+0xcd/0x170
[  315.854413][   T10]      do_syscall_64+0xc6/0x1e0
[  315.854413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.854413][   T10] 
[  315.856156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  315.856156][   T10]      neigh_parms_alloc+0x1e5/0x510
[  315.856156][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  315.856156][   T10]      ipv6_find_idev+0x102/0x170
[  315.856156][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  315.856156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.856156][   T10]      netlink_rcv_skb+0x130/0x360
[  315.856156][   T10]      netlink_unicast+0x449/0x710
[  315.856156][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.856156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.856156][   T10]      ___sys_sendmsg+0xee/0x170
[  315.856156][   T10]      __sys_sendmsg+0xcd/0x170
[  315.856156][   T10]      do_syscall_64+0xc6/0x1e0
[  315.856156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.856156][   T10] 
[  315.858075][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  315.858317][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  315.858317][   T10]      netdev_get_by_index+0x5e/0x80
[  315.858317][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.858317][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.858317][   T10]      ip6_route_add+0x1c/0x140
[  315.858317][   T10]      addrconf_prefix_route+0x2a6/0x430
[  315.858317][   T10]      inet6_addr_add+0x4f8/0xa40
[  315.858317][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.858317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.858317][   T10]      netlink_rcv_skb+0x130/0x360
[  315.858317][   T10]      netlink_unicast+0x449/0x710
[  315.858317][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.858317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.858317][   T10]      ___sys_sendmsg+0xee/0x170
[  315.858317][   T10]      __sys_sendmsg+0xcd/0x170
[  315.858317][   T10]      do_syscall_64+0xc6/0x1e0
[  315.858317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.858317][   T10] 
[  315.860584][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  315.860584][   T10]      netdev_get_by_index+0x5e/0x80
[  315.860584][   T10]      fib6_nh_init+0x3d8/0x1580
[  315.860584][   T10]      ip6_route_info_create+0xf18/0x17d0
[  315.860584][   T10]      addrconf_f6i_alloc+0x315/0x560
[  315.860584][   T10]      ipv6_add_addr+0x411/0x2000
[  315.860584][   T10]      inet6_addr_add+0x30e/0xa40
[  315.860584][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  315.860584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.860584][   T10]      netlink_rcv_skb+0x130/0x360
[  315.860584][   T10]      netlink_unicast+0x449/0x710
[  315.860584][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.860584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.860584][   T10]      ___sys_sendmsg+0xee/0x170
[  315.860584][   T10]      __sys_sendmsg+0xcd/0x170
[  315.860584][   T10]      do_syscall_64+0xc6/0x1e0
[  315.860584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.860584][   T10] 
[  315.862911][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  315.862911][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  315.862911][   T10]      ipv6_find_idev+0x102/0x170
[  315.862911][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  315.862911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.862911][   T10]      netlink_rcv_skb+0x130/0x360
[  315.862911][   T10]      netlink_unicast+0x449/0x710
[  315.862911][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.862911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.862911][   T10]      ___sys_sendmsg+0xee/0x170
[  315.862911][   T10]      __sys_sendmsg+0xcd/0x170
[  315.862911][   T10]      do_syscall_64+0xc6/0x1e0
[  315.862911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.862911][   T10] 
[  315.864543][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  315.864543][   T10]      neigh_parms_alloc+0x1e5/0x510
[  315.864543][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  315.864543][   T10]      ipv6_find_idev+0x102/0x170
[  315.864543][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  315.864543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  315.864543][   T10]      netlink_rcv_skb+0x130/0x360
[  315.864543][   T10]      netlink_unicast+0x449/0x710
[  315.864543][   T10]      netlink_sendmsg+0x723/0xbe0
[  315.864543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  315.864543][   T10]      ___sys_sendmsg+0xee/0x170
[  315.864543][   T10]      __sys_sendmsg+0xcd/0x170
[  315.864543][   T10]      do_syscall_64+0xc6/0x1e0
[  315.864543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  315.864543][   T10] 
[  318.800454][ T2293] br0: port 1(vx0) entered blocking state
[  318.800728][ T2293] br0: port 1(vx0) entered disabled state
[  318.800904][ T2293] vx0: entered allmulticast mode
[  318.802081][ T2293] vx0: entered promiscuous mode
[  318.808957][ T2293] br0: port 1(vx0) entered blocking state
[  318.809133][ T2293] br0: port 1(vx0) entered forwarding state
[  324.322027][ T2323] br0: port 1(vx0) entered blocking state
[  324.322322][ T2323] br0: port 1(vx0) entered disabled state
[  324.322515][ T2323] vx0: entered allmulticast mode
[  324.323965][ T2323] vx0: entered promiscuous mode
[  324.325906][ T2323] br0: port 1(vx0) entered blocking state
[  324.326072][ T2323] br0: port 1(vx0) entered forwarding state
[  326.008629][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  326.009038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.009038][   T10]      dst_init+0x84/0x4a0
[  326.009038][   T10]      dst_alloc+0x97/0x150
[  326.009038][   T10]      ip6_dst_alloc+0x23/0x90
[  326.009038][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  326.009038][   T10]      ip6_pol_route+0x56f/0x840
[  326.009038][   T10]      fib6_rule_lookup+0x456/0x630
[  326.009038][   T10]      ip6_route_input+0x59c/0xa50
[  326.009038][   T10]      ipv6_rcv+0x397/0x810
[  326.009038][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  326.009038][   T10]      process_backlog+0x101/0x620
[  326.009038][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  326.009038][   T10]      net_rx_action+0x495/0xbe0
[  326.009038][   T10]      __do_softirq+0x1b5/0x7f6
[  326.009038][   T10] 
[  326.010767][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.010767][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  326.010767][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  326.010767][   T10]      fib6_nh_init+0xa22/0x1580
[  326.010767][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.010767][   T10]      ip6_route_add+0x1c/0x140
[  326.010767][   T10]      inet6_rtm_newroute+0x104/0x110
[  326.010767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.010767][   T10]      netlink_rcv_skb+0x130/0x360
[  326.010767][   T10]      netlink_unicast+0x449/0x710
[  326.010767][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.010767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.010767][   T10]      ___sys_sendmsg+0xee/0x170
[  326.010767][   T10]      __sys_sendmsg+0xcd/0x170
[  326.010767][   T10]      do_syscall_64+0xc6/0x1e0
[  326.010767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.010767][   T10] 
[  326.012743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.012743][   T10]      netdev_get_by_index+0x5e/0x80
[  326.012743][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.012743][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.012743][   T10]      addrconf_f6i_alloc+0x265/0x560
[  326.012743][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  326.012743][   T10]      addrconf_join_anycast+0x1c0/0x220
[  326.012743][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  326.012743][   T10]      addrconf_dad_completed+0x12b/0xe20
[  326.012743][   T10]      addrconf_dad_begin+0x310/0x670
[  326.012743][   T10]      addrconf_dad_work+0x10b/0xab0
[  326.012743][   T10]      process_one_work+0x84d/0x18a0
[  326.012743][   T10]      worker_thread+0x587/0xd30
[  326.012743][   T10]      kthread+0x28a/0x350
[  326.012743][   T10]      ret_from_fork+0x31/0x70
[  326.012743][   T10]      ret_from_fork_asm+0x1a/0x30
[  326.012743][   T10] 
[  326.014685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.014685][   T10]      netdev_get_by_index+0x5e/0x80
[  326.014685][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.014685][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.014685][   T10]      ip6_route_add+0x1c/0x140
[  326.014685][   T10]      addrconf_prefix_route+0x2a6/0x430
[  326.014685][   T10]      inet6_addr_add+0x4f8/0xa40
[  326.014685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.014685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.014685][   T10]      netlink_rcv_skb+0x130/0x360
[  326.014685][   T10]      netlink_unicast+0x449/0x710
[  326.014685][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.014685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.014685][   T10]      ___sys_sendmsg+0xee/0x170
[  326.014685][   T10]      __sys_sendmsg+0xcd/0x170
[  326.014685][   T10]      do_syscall_64+0xc6/0x1e0
[  326.014685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.014685][   T10] 
[  326.016741][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.016741][   T10]      netdev_get_by_index+0x5e/0x80
[  326.016741][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.016741][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.016741][   T10]      addrconf_f6i_alloc+0x315/0x560
[  326.016741][   T10]      ipv6_add_addr+0x411/0x2000
[  326.016741][   T10]      inet6_addr_add+0x30e/0xa40
[  326.016741][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.016741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.016741][   T10]      netlink_rcv_skb+0x130/0x360
[  326.016741][   T10]      netlink_unicast+0x449/0x710
[  326.016741][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.016741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.016741][   T10]      ___sys_sendmsg+0xee/0x170
[  326.016741][   T10]      __sys_sendmsg+0xcd/0x170
[  326.016741][   T10]      do_syscall_64+0xc6/0x1e0
[  326.016741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.016741][   T10] 
[  326.018789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.018789][   T10]      netdev_get_by_index+0x5e/0x80
[  326.018789][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.018789][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.018789][   T10]      ip6_route_add+0x1c/0x140
[  326.018789][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  326.018789][   T10]      addrconf_add_dev+0xe2/0x170
[  326.018789][   T10]      inet6_addr_add+0x12f/0xa40
[  326.018789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.018789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.018789][   T10]      netlink_rcv_skb+0x130/0x360
[  326.018789][   T10]      netlink_unicast+0x449/0x710
[  326.018789][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.018789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.018789][   T10]      ___sys_sendmsg+0xee/0x170
[  326.018789][   T10]      __sys_sendmsg+0xcd/0x170
[  326.018789][   T10]      do_syscall_64+0xc6/0x1e0
[  326.018789][   T10] 
[  326.020810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.020810][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  326.020810][   T10]      ipv6_find_idev+0x102/0x170
[  326.020810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  326.020810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.020810][   T10]      netlink_rcv_skb+0x130/0x360
[  326.020810][   T10]      netlink_unicast+0x449/0x710
[  326.020810][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.020810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.020810][   T10]      ___sys_sendmsg+0xee/0x170
[  326.020810][   T10]      __sys_sendmsg+0xcd/0x170
[  326.020810][   T10]      do_syscall_64+0xc6/0x1e0
[  326.020810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.020810][   T10] 
[  326.022516][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  326.022516][   T10]      neigh_parms_alloc+0x1e5/0x510
[  326.022516][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  326.022516][   T10]      ipv6_find_idev+0x102/0x170
[  326.022516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  326.022516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.022516][   T10]      netlink_rcv_skb+0x130/0x360
[  326.022516][   T10]      netlink_unicast+0x449/0x710
[  326.022516][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.022516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.022516][   T10]      ___sys_sendmsg+0xee/0x170
[  326.022516][   T10]      __sys_sendmsg+0xcd/0x170
[  326.022516][   T10]      do_syscall_64+0xc6/0x1e0
[  326.022516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.022516][   T10] 
[  326.024400][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  326.024656][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.024656][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  326.024656][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  326.024656][   T10]      fib6_nh_init+0xa22/0x1580
[  326.024656][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.024656][   T10]      ip6_route_add+0x1c/0x140
[  326.024656][   T10]      inet6_rtm_newroute+0x104/0x110
[  326.024656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.024656][   T10]      netlink_rcv_skb+0x130/0x360
[  326.024656][   T10]      netlink_unicast+0x449/0x710
[  326.024656][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.024656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.024656][   T10]      ___sys_sendmsg+0xee/0x170
[  326.024656][   T10]      __sys_sendmsg+0xcd/0x170
[  326.024656][   T10]      do_syscall_64+0xc6/0x1e0
[  326.024656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.024656][   T10] 
[  326.026810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.026810][   T10]      dst_init+0x84/0x4a0
[  326.026810][   T10]      dst_alloc+0x97/0x150
[  326.026810][   T10]      ip6_dst_alloc+0x23/0x90
[  326.026810][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  326.026810][   T10]      ip6_pol_route+0x56f/0x840
[  326.026810][   T10]      fib6_rule_lookup+0x456/0x630
[  326.026810][   T10]      ip6_route_input+0x59c/0xa50
[  326.026810][   T10]      ipv6_rcv+0x397/0x810
[  326.026810][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  326.026810][   T10]      process_backlog+0x101/0x620
[  326.026810][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  326.026810][   T10]      net_rx_action+0x495/0xbe0
[  326.026810][   T10]      __do_softirq+0x1b5/0x7f6
[  326.026810][   T10] 
[  326.028658][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.028658][   T10]      netdev_get_by_index+0x5e/0x80
[  326.028658][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.028658][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.028658][   T10]      addrconf_f6i_alloc+0x265/0x560
[  326.028658][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  326.028658][   T10]      addrconf_join_anycast+0x1c0/0x220
[  326.028658][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  326.028658][   T10]      addrconf_dad_completed+0x12b/0xe20
[  326.028658][   T10]      addrconf_dad_begin+0x310/0x670
[  326.028658][   T10]      addrconf_dad_work+0x10b/0xab0
[  326.028658][   T10]      process_one_work+0x84d/0x18a0
[  326.028658][   T10]      worker_thread+0x587/0xd30
[  326.028658][   T10]      kthread+0x28a/0x350
[  326.028658][   T10]      ret_from_fork+0x31/0x70
[  326.028658][   T10]      ret_from_fork_asm+0x1a/0x30
[  326.028658][   T10] 
[  326.030730][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.030730][   T10]      netdev_get_by_index+0x5e/0x80
[  326.030730][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.030730][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.030730][   T10]      ip6_route_add+0x1c/0x140
[  326.030730][   T10]      addrconf_prefix_route+0x2a6/0x430
[  326.030730][   T10]      inet6_addr_add+0x4f8/0xa40
[  326.030730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.030730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.030730][   T10]      netlink_rcv_skb+0x130/0x360
[  326.030730][   T10]      netlink_unicast+0x449/0x710
[  326.030730][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.030730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.030730][   T10]      ___sys_sendmsg+0xee/0x170
[  326.030730][   T10]      __sys_sendmsg+0xcd/0x170
[  326.030730][   T10]      do_syscall_64+0xc6/0x1e0
[  326.030730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.030730][   T10] 
[  326.032963][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.032963][   T10]      netdev_get_by_index+0x5e/0x80
[  326.032963][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.032963][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.032963][   T10]      addrconf_f6i_alloc+0x315/0x560
[  326.032963][   T10]      ipv6_add_addr+0x411/0x2000
[  326.032963][   T10]      inet6_addr_add+0x30e/0xa40
[  326.032963][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.032963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.032963][   T10]      netlink_rcv_skb+0x130/0x360
[  326.032963][   T10]      netlink_unicast+0x449/0x710
[  326.032963][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.032963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.032963][   T10]      ___sys_sendmsg+0xee/0x170
[  326.032963][   T10]      __sys_sendmsg+0xcd/0x170
[  326.032963][   T10]      do_syscall_64+0xc6/0x1e0
[  326.032963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.032963][   T10] 
[  326.035396][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.035396][   T10]      netdev_get_by_index+0x5e/0x80
[  326.035396][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.035396][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.035396][   T10]      ip6_route_add+0x1c/0x140
[  326.035396][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  326.035396][   T10]      addrconf_add_dev+0xe2/0x170
[  326.035396][   T10]      inet6_addr_add+0x12f/0xa40
[  326.035396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.035396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.035396][   T10]      netlink_rcv_skb+0x130/0x360
[  326.035396][   T10]      netlink_unicast+0x449/0x710
[  326.035396][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.035396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.035396][   T10]      ___sys_sendmsg+0xee/0x170
[  326.035396][   T10]      __sys_sendmsg+0xcd/0x170
[  326.035396][   T10]      do_syscall_64+0xc6/0x1e0
[  326.035396][   T10] 
[  326.037584][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.037584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  326.037584][   T10]      ipv6_find_idev+0x102/0x170
[  326.037584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  326.037584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.037584][   T10]      netlink_rcv_skb+0x130/0x360
[  326.037584][   T10]      netlink_unicast+0x449/0x710
[  326.037584][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.037584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.037584][   T10]      ___sys_sendmsg+0xee/0x170
[  326.037584][   T10]      __sys_sendmsg+0xcd/0x170
[  326.037584][   T10]      do_syscall_64+0xc6/0x1e0
[  326.037584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.037584][   T10] 
[  326.039341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  326.039341][   T10]      neigh_parms_alloc+0x1e5/0x510
[  326.039341][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  326.039341][   T10]      ipv6_find_idev+0x102/0x170
[  326.039341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  326.039341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.039341][   T10]      netlink_rcv_skb+0x130/0x360
[  326.039341][   T10]      netlink_unicast+0x449/0x710
[  326.039341][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.039341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.039341][   T10]      ___sys_sendmsg+0xee/0x170
[  326.039341][   T10]      __sys_sendmsg+0xcd/0x170
[  326.039341][   T10]      do_syscall_64+0xc6/0x1e0
[  326.039341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.039341][   T10] 
[  326.041214][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  326.041463][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  326.041463][   T10]      netdev_get_by_index+0x5e/0x80
[  326.041463][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.041463][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.041463][   T10]      ip6_route_add+0x1c/0x140
[  326.041463][   T10]      addrconf_prefix_route+0x2a6/0x430
[  326.041463][   T10]      inet6_addr_add+0x4f8/0xa40
[  326.041463][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.041463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.041463][   T10]      netlink_rcv_skb+0x130/0x360
[  326.041463][   T10]      netlink_unicast+0x449/0x710
[  326.041463][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.041463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.041463][   T10]      ___sys_sendmsg+0xee/0x170
[  326.041463][   T10]      __sys_sendmsg+0xcd/0x170
[  326.041463][   T10]      do_syscall_64+0xc6/0x1e0
[  326.041463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.041463][   T10] 
[  326.043682][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  326.043682][   T10]      netdev_get_by_index+0x5e/0x80
[  326.043682][   T10]      fib6_nh_init+0x3d8/0x1580
[  326.043682][   T10]      ip6_route_info_create+0xf18/0x17d0
[  326.043682][   T10]      addrconf_f6i_alloc+0x315/0x560
[  326.043682][   T10]      ipv6_add_addr+0x411/0x2000
[  326.043682][   T10]      inet6_addr_add+0x30e/0xa40
[  326.043682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  326.043682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.043682][   T10]      netlink_rcv_skb+0x130/0x360
[  326.043682][   T10]      netlink_unicast+0x449/0x710
[  326.043682][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.043682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.043682][   T10]      ___sys_sendmsg+0xee/0x170
[  326.043682][   T10]      __sys_sendmsg+0xcd/0x170
[  326.043682][   T10]      do_syscall_64+0xc6/0x1e0
[  326.043682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.043682][   T10] 
[  326.045927][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  326.045927][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  326.045927][   T10]      ipv6_find_idev+0x102/0x170
[  326.045927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  326.045927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.045927][   T10]      netlink_rcv_skb+0x130/0x360
[  326.045927][   T10]      netlink_unicast+0x449/0x710
[  326.045927][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.045927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.045927][   T10]      ___sys_sendmsg+0xee/0x170
[  326.045927][   T10]      __sys_sendmsg+0xcd/0x170
[  326.045927][   T10]      do_syscall_64+0xc6/0x1e0
[  326.045927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.045927][   T10] 
[  326.047683][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  326.047683][   T10]      neigh_parms_alloc+0x1e5/0x510
[  326.047683][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  326.047683][   T10]      ipv6_find_idev+0x102/0x170
[  326.047683][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  326.047683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  326.047683][   T10]      netlink_rcv_skb+0x130/0x360
[  326.047683][   T10]      netlink_unicast+0x449/0x710
[  326.047683][   T10]      netlink_sendmsg+0x723/0xbe0
[  326.047683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  326.047683][   T10]      ___sys_sendmsg+0xee/0x170
[  326.047683][   T10]      __sys_sendmsg+0xcd/0x170
[  326.047683][   T10]      do_syscall_64+0xc6/0x1e0
[  326.047683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  326.047683][   T10] 
[  336.120608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  336.120944][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.120944][   T10]      dst_init+0x84/0x4a0
[  336.120944][   T10]      dst_alloc+0x97/0x150
[  336.120944][   T10]      ip6_dst_alloc+0x23/0x90
[  336.120944][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  336.120944][   T10]      ip6_pol_route+0x56f/0x840
[  336.120944][   T10]      fib6_rule_lookup+0x456/0x630
[  336.120944][   T10]      ip6_route_input+0x59c/0xa50
[  336.120944][   T10]      ipv6_rcv+0x397/0x810
[  336.120944][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  336.120944][   T10]      process_backlog+0x101/0x620
[  336.120944][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  336.120944][   T10]      net_rx_action+0x495/0xbe0
[  336.120944][   T10]      __do_softirq+0x1b5/0x7f6
[  336.120944][   T10] 
[  336.122642][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.122642][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  336.122642][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  336.122642][   T10]      fib6_nh_init+0xa22/0x1580
[  336.122642][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.122642][   T10]      ip6_route_add+0x1c/0x140
[  336.122642][   T10]      inet6_rtm_newroute+0x104/0x110
[  336.122642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.122642][   T10]      netlink_rcv_skb+0x130/0x360
[  336.122642][   T10]      netlink_unicast+0x449/0x710
[  336.122642][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.122642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.122642][   T10]      ___sys_sendmsg+0xee/0x170
[  336.122642][   T10]      __sys_sendmsg+0xcd/0x170
[  336.122642][   T10]      do_syscall_64+0xc6/0x1e0
[  336.122642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.122642][   T10] 
[  336.124576][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.124576][   T10]      netdev_get_by_index+0x5e/0x80
[  336.124576][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.124576][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.124576][   T10]      addrconf_f6i_alloc+0x265/0x560
[  336.124576][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  336.124576][   T10]      addrconf_join_anycast+0x1c0/0x220
[  336.124576][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  336.124576][   T10]      addrconf_dad_completed+0x12b/0xe20
[  336.124576][   T10]      addrconf_dad_begin+0x310/0x670
[  336.124576][   T10]      addrconf_dad_work+0x10b/0xab0
[  336.124576][   T10]      process_one_work+0x84d/0x18a0
[  336.124576][   T10]      worker_thread+0x587/0xd30
[  336.124576][   T10]      kthread+0x28a/0x350
[  336.124576][   T10]      ret_from_fork+0x31/0x70
[  336.124576][   T10]      ret_from_fork_asm+0x1a/0x30
[  336.124576][   T10] 
[  336.126549][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.126549][   T10]      netdev_get_by_index+0x5e/0x80
[  336.126549][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.126549][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.126549][   T10]      ip6_route_add+0x1c/0x140
[  336.126549][   T10]      addrconf_prefix_route+0x2a6/0x430
[  336.126549][   T10]      inet6_addr_add+0x4f8/0xa40
[  336.126549][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.126549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.126549][   T10]      netlink_rcv_skb+0x130/0x360
[  336.126549][   T10]      netlink_unicast+0x449/0x710
[  336.126549][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.126549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.126549][   T10]      ___sys_sendmsg+0xee/0x170
[  336.126549][   T10]      __sys_sendmsg+0xcd/0x170
[  336.126549][   T10]      do_syscall_64+0xc6/0x1e0
[  336.126549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.126549][   T10] 
[  336.128551][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.128551][   T10]      netdev_get_by_index+0x5e/0x80
[  336.128551][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.128551][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.128551][   T10]      addrconf_f6i_alloc+0x315/0x560
[  336.128551][   T10]      ipv6_add_addr+0x411/0x2000
[  336.128551][   T10]      inet6_addr_add+0x30e/0xa40
[  336.128551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.128551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.128551][   T10]      netlink_rcv_skb+0x130/0x360
[  336.128551][   T10]      netlink_unicast+0x449/0x710
[  336.128551][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.128551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.128551][   T10]      ___sys_sendmsg+0xee/0x170
[  336.128551][   T10]      __sys_sendmsg+0xcd/0x170
[  336.128551][   T10]      do_syscall_64+0xc6/0x1e0
[  336.128551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.128551][   T10] 
[  336.130553][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.130553][   T10]      netdev_get_by_index+0x5e/0x80
[  336.130553][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.130553][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.130553][   T10]      ip6_route_add+0x1c/0x140
[  336.130553][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  336.130553][   T10]      addrconf_add_dev+0xe2/0x170
[  336.130553][   T10]      inet6_addr_add+0x12f/0xa40
[  336.130553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.130553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.130553][   T10]      netlink_rcv_skb+0x130/0x360
[  336.130553][   T10]      netlink_unicast+0x449/0x710
[  336.130553][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.130553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.130553][   T10]      ___sys_sendmsg+0xee/0x170
[  336.130553][   T10]      __sys_sendmsg+0xcd/0x170
[  336.130553][   T10]      do_syscall_64+0xc6/0x1e0
[  336.130553][   T10] 
[  336.132599][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.132599][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  336.132599][   T10]      ipv6_find_idev+0x102/0x170
[  336.132599][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  336.132599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.132599][   T10]      netlink_rcv_skb+0x130/0x360
[  336.132599][   T10]      netlink_unicast+0x449/0x710
[  336.132599][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.132599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.132599][   T10]      ___sys_sendmsg+0xee/0x170
[  336.132599][   T10]      __sys_sendmsg+0xcd/0x170
[  336.132599][   T10]      do_syscall_64+0xc6/0x1e0
[  336.132599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.132599][   T10] 
[  336.134338][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  336.134338][   T10]      neigh_parms_alloc+0x1e5/0x510
[  336.134338][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  336.134338][   T10]      ipv6_find_idev+0x102/0x170
[  336.134338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  336.134338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.134338][   T10]      netlink_rcv_skb+0x130/0x360
[  336.134338][   T10]      netlink_unicast+0x449/0x710
[  336.134338][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.134338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.134338][   T10]      ___sys_sendmsg+0xee/0x170
[  336.134338][   T10]      __sys_sendmsg+0xcd/0x170
[  336.134338][   T10]      do_syscall_64+0xc6/0x1e0
[  336.134338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.134338][   T10] 
[  336.136223][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  336.136550][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.136550][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  336.136550][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  336.136550][   T10]      fib6_nh_init+0xa22/0x1580
[  336.136550][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.136550][   T10]      ip6_route_add+0x1c/0x140
[  336.136550][   T10]      inet6_rtm_newroute+0x104/0x110
[  336.136550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.136550][   T10]      netlink_rcv_skb+0x130/0x360
[  336.136550][   T10]      netlink_unicast+0x449/0x710
[  336.136550][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.136550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.136550][   T10]      ___sys_sendmsg+0xee/0x170
[  336.136550][   T10]      __sys_sendmsg+0xcd/0x170
[  336.136550][   T10]      do_syscall_64+0xc6/0x1e0
[  336.136550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.136550][   T10] 
[  336.138446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.138446][   T10]      dst_init+0x84/0x4a0
[  336.138446][   T10]      dst_alloc+0x97/0x150
[  336.138446][   T10]      ip6_dst_alloc+0x23/0x90
[  336.138446][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  336.138446][   T10]      ip6_pol_route+0x56f/0x840
[  336.138446][   T10]      fib6_rule_lookup+0x456/0x630
[  336.138446][   T10]      ip6_route_input+0x59c/0xa50
[  336.138446][   T10]      ipv6_rcv+0x397/0x810
[  336.138446][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  336.138446][   T10]      process_backlog+0x101/0x620
[  336.138446][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  336.138446][   T10]      net_rx_action+0x495/0xbe0
[  336.138446][   T10]      __do_softirq+0x1b5/0x7f6
[  336.138446][   T10] 
[  336.140094][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.140094][   T10]      netdev_get_by_index+0x5e/0x80
[  336.140094][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.140094][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.140094][   T10]      addrconf_f6i_alloc+0x265/0x560
[  336.140094][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  336.140094][   T10]      addrconf_join_anycast+0x1c0/0x220
[  336.140094][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  336.140094][   T10]      addrconf_dad_completed+0x12b/0xe20
[  336.140094][   T10]      addrconf_dad_begin+0x310/0x670
[  336.140094][   T10]      addrconf_dad_work+0x10b/0xab0
[  336.140094][   T10]      process_one_work+0x84d/0x18a0
[  336.140094][   T10]      worker_thread+0x587/0xd30
[  336.140094][   T10]      kthread+0x28a/0x350
[  336.140094][   T10]      ret_from_fork+0x31/0x70
[  336.140094][   T10]      ret_from_fork_asm+0x1a/0x30
[  336.140094][   T10] 
[  336.142168][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.142168][   T10]      netdev_get_by_index+0x5e/0x80
[  336.142168][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.142168][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.142168][   T10]      ip6_route_add+0x1c/0x140
[  336.142168][   T10]      addrconf_prefix_route+0x2a6/0x430
[  336.142168][   T10]      inet6_addr_add+0x4f8/0xa40
[  336.142168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.142168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.142168][   T10]      netlink_rcv_skb+0x130/0x360
[  336.142168][   T10]      netlink_unicast+0x449/0x710
[  336.142168][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.142168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.142168][   T10]      ___sys_sendmsg+0xee/0x170
[  336.142168][   T10]      __sys_sendmsg+0xcd/0x170
[  336.142168][   T10]      do_syscall_64+0xc6/0x1e0
[  336.142168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.142168][   T10] 
[  336.144443][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.144443][   T10]      netdev_get_by_index+0x5e/0x80
[  336.144443][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.144443][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.144443][   T10]      addrconf_f6i_alloc+0x315/0x560
[  336.144443][   T10]      ipv6_add_addr+0x411/0x2000
[  336.144443][   T10]      inet6_addr_add+0x30e/0xa40
[  336.144443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.144443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.144443][   T10]      netlink_rcv_skb+0x130/0x360
[  336.144443][   T10]      netlink_unicast+0x449/0x710
[  336.144443][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.144443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.144443][   T10]      ___sys_sendmsg+0xee/0x170
[  336.144443][   T10]      __sys_sendmsg+0xcd/0x170
[  336.144443][   T10]      do_syscall_64+0xc6/0x1e0
[  336.144443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.144443][   T10] 
[  336.146715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.146715][   T10]      netdev_get_by_index+0x5e/0x80
[  336.146715][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.146715][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.146715][   T10]      ip6_route_add+0x1c/0x140
[  336.146715][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  336.146715][   T10]      addrconf_add_dev+0xe2/0x170
[  336.146715][   T10]      inet6_addr_add+0x12f/0xa40
[  336.146715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.146715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.146715][   T10]      netlink_rcv_skb+0x130/0x360
[  336.146715][   T10]      netlink_unicast+0x449/0x710
[  336.146715][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.146715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.146715][   T10]      ___sys_sendmsg+0xee/0x170
[  336.146715][   T10]      __sys_sendmsg+0xcd/0x170
[  336.146715][   T10]      do_syscall_64+0xc6/0x1e0
[  336.146715][   T10] 
[  336.148678][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.148678][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  336.148678][   T10]      ipv6_find_idev+0x102/0x170
[  336.148678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  336.148678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.148678][   T10]      netlink_rcv_skb+0x130/0x360
[  336.148678][   T10]      netlink_unicast+0x449/0x710
[  336.148678][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.148678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.148678][   T10]      ___sys_sendmsg+0xee/0x170
[  336.148678][   T10]      __sys_sendmsg+0xcd/0x170
[  336.148678][   T10]      do_syscall_64+0xc6/0x1e0
[  336.148678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.148678][   T10] 
[  336.150469][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  336.150469][   T10]      neigh_parms_alloc+0x1e5/0x510
[  336.150469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  336.150469][   T10]      ipv6_find_idev+0x102/0x170
[  336.150469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  336.150469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.150469][   T10]      netlink_rcv_skb+0x130/0x360
[  336.150469][   T10]      netlink_unicast+0x449/0x710
[  336.150469][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.150469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.150469][   T10]      ___sys_sendmsg+0xee/0x170
[  336.150469][   T10]      __sys_sendmsg+0xcd/0x170
[  336.150469][   T10]      do_syscall_64+0xc6/0x1e0
[  336.150469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.150469][   T10] 
[  336.152488][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  336.152751][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  336.152751][   T10]      netdev_get_by_index+0x5e/0x80
[  336.152751][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.152751][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.152751][   T10]      ip6_route_add+0x1c/0x140
[  336.152751][   T10]      addrconf_prefix_route+0x2a6/0x430
[  336.152751][   T10]      inet6_addr_add+0x4f8/0xa40
[  336.152751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.152751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.152751][   T10]      netlink_rcv_skb+0x130/0x360
[  336.152751][   T10]      netlink_unicast+0x449/0x710
[  336.152751][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.152751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.152751][   T10]      ___sys_sendmsg+0xee/0x170
[  336.152751][   T10]      __sys_sendmsg+0xcd/0x170
[  336.152751][   T10]      do_syscall_64+0xc6/0x1e0
[  336.152751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.152751][   T10] 
[  336.154888][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  336.154888][   T10]      netdev_get_by_index+0x5e/0x80
[  336.154888][   T10]      fib6_nh_init+0x3d8/0x1580
[  336.154888][   T10]      ip6_route_info_create+0xf18/0x17d0
[  336.154888][   T10]      addrconf_f6i_alloc+0x315/0x560
[  336.154888][   T10]      ipv6_add_addr+0x411/0x2000
[  336.154888][   T10]      inet6_addr_add+0x30e/0xa40
[  336.154888][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  336.154888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.154888][   T10]      netlink_rcv_skb+0x130/0x360
[  336.154888][   T10]      netlink_unicast+0x449/0x710
[  336.154888][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.154888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.154888][   T10]      ___sys_sendmsg+0xee/0x170
[  336.154888][   T10]      __sys_sendmsg+0xcd/0x170
[  336.154888][   T10]      do_syscall_64+0xc6/0x1e0
[  336.154888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.154888][   T10] 
[  336.157158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  336.157158][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  336.157158][   T10]      ipv6_find_idev+0x102/0x170
[  336.157158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  336.157158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.157158][   T10]      netlink_rcv_skb+0x130/0x360
[  336.157158][   T10]      netlink_unicast+0x449/0x710
[  336.157158][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.157158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.157158][   T10]      ___sys_sendmsg+0xee/0x170
[  336.157158][   T10]      __sys_sendmsg+0xcd/0x170
[  336.157158][   T10]      do_syscall_64+0xc6/0x1e0
[  336.157158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.157158][   T10] 
[  336.158886][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  336.158886][   T10]      neigh_parms_alloc+0x1e5/0x510
[  336.158886][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  336.158886][   T10]      ipv6_find_idev+0x102/0x170
[  336.158886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  336.158886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  336.158886][   T10]      netlink_rcv_skb+0x130/0x360
[  336.158886][   T10]      netlink_unicast+0x449/0x710
[  336.158886][   T10]      netlink_sendmsg+0x723/0xbe0
[  336.158886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  336.158886][   T10]      ___sys_sendmsg+0xee/0x170
[  336.158886][   T10]      __sys_sendmsg+0xcd/0x170
[  336.158886][   T10]      do_syscall_64+0xc6/0x1e0
[  336.158886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  336.158886][   T10] 
[  341.187783][ T2454] veth0: renamed from veth1
[  345.194934][ T2480] br0: port 1(vx0) entered blocking state
[  345.195153][ T2480] br0: port 1(vx0) entered disabled state
[  345.195332][ T2480] vx0: entered allmulticast mode
[  345.196514][ T2480] vx0: entered promiscuous mode
[  345.199497][ T2480] br0: port 1(vx0) entered blocking state
[  345.199683][ T2480] br0: port 1(vx0) entered forwarding state
[  346.273647][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  346.274006][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.274006][   T10]      dst_init+0x84/0x4a0
[  346.274006][   T10]      dst_alloc+0x97/0x150
[  346.274006][   T10]      ip6_dst_alloc+0x23/0x90
[  346.274006][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  346.274006][   T10]      ip6_pol_route+0x56f/0x840
[  346.274006][   T10]      fib6_rule_lookup+0x456/0x630
[  346.274006][   T10]      ip6_route_input+0x59c/0xa50
[  346.274006][   T10]      ipv6_rcv+0x397/0x810
[  346.274006][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  346.274006][   T10]      process_backlog+0x101/0x620
[  346.274006][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  346.274006][   T10]      net_rx_action+0x495/0xbe0
[  346.274006][   T10]      __do_softirq+0x1b5/0x7f6
[  346.274006][   T10] 
[  346.275766][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.275766][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  346.275766][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  346.275766][   T10]      fib6_nh_init+0xa22/0x1580
[  346.275766][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.275766][   T10]      ip6_route_add+0x1c/0x140
[  346.275766][   T10]      inet6_rtm_newroute+0x104/0x110
[  346.275766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.275766][   T10]      netlink_rcv_skb+0x130/0x360
[  346.275766][   T10]      netlink_unicast+0x449/0x710
[  346.275766][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.275766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.275766][   T10]      ___sys_sendmsg+0xee/0x170
[  346.275766][   T10]      __sys_sendmsg+0xcd/0x170
[  346.275766][   T10]      do_syscall_64+0xc6/0x1e0
[  346.275766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.275766][   T10] 
[  346.277751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.277751][   T10]      netdev_get_by_index+0x5e/0x80
[  346.277751][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.277751][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.277751][   T10]      addrconf_f6i_alloc+0x265/0x560
[  346.277751][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  346.277751][   T10]      addrconf_join_anycast+0x1c0/0x220
[  346.277751][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  346.277751][   T10]      addrconf_dad_completed+0x12b/0xe20
[  346.277751][   T10]      addrconf_dad_begin+0x310/0x670
[  346.277751][   T10]      addrconf_dad_work+0x10b/0xab0
[  346.277751][   T10]      process_one_work+0x84d/0x18a0
[  346.277751][   T10]      worker_thread+0x587/0xd30
[  346.277751][   T10]      kthread+0x28a/0x350
[  346.277751][   T10]      ret_from_fork+0x31/0x70
[  346.277751][   T10]      ret_from_fork_asm+0x1a/0x30
[  346.277751][   T10] 
[  346.279695][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.279695][   T10]      netdev_get_by_index+0x5e/0x80
[  346.279695][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.279695][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.279695][   T10]      ip6_route_add+0x1c/0x140
[  346.279695][   T10]      addrconf_prefix_route+0x2a6/0x430
[  346.279695][   T10]      inet6_addr_add+0x4f8/0xa40
[  346.279695][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.279695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.279695][   T10]      netlink_rcv_skb+0x130/0x360
[  346.279695][   T10]      netlink_unicast+0x449/0x710
[  346.279695][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.279695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.279695][   T10]      ___sys_sendmsg+0xee/0x170
[  346.279695][   T10]      __sys_sendmsg+0xcd/0x170
[  346.279695][   T10]      do_syscall_64+0xc6/0x1e0
[  346.279695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.279695][   T10] 
[  346.281953][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.281953][   T10]      netdev_get_by_index+0x5e/0x80
[  346.281953][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.281953][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.281953][   T10]      addrconf_f6i_alloc+0x315/0x560
[  346.281953][   T10]      ipv6_add_addr+0x411/0x2000
[  346.281953][   T10]      inet6_addr_add+0x30e/0xa40
[  346.281953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.281953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.281953][   T10]      netlink_rcv_skb+0x130/0x360
[  346.281953][   T10]      netlink_unicast+0x449/0x710
[  346.281953][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.281953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.281953][   T10]      ___sys_sendmsg+0xee/0x170
[  346.281953][   T10]      __sys_sendmsg+0xcd/0x170
[  346.281953][   T10]      do_syscall_64+0xc6/0x1e0
[  346.281953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.281953][   T10] 
[  346.284106][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.284106][   T10]      netdev_get_by_index+0x5e/0x80
[  346.284106][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.284106][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.284106][   T10]      ip6_route_add+0x1c/0x140
[  346.284106][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  346.284106][   T10]      addrconf_add_dev+0xe2/0x170
[  346.284106][   T10]      inet6_addr_add+0x12f/0xa40
[  346.284106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.284106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.284106][   T10]      netlink_rcv_skb+0x130/0x360
[  346.284106][   T10]      netlink_unicast+0x449/0x710
[  346.284106][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.284106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.284106][   T10]      ___sys_sendmsg+0xee/0x170
[  346.284106][   T10]      __sys_sendmsg+0xcd/0x170
[  346.284106][   T10]      do_syscall_64+0xc6/0x1e0
[  346.284106][   T10] 
[  346.286246][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.286246][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  346.286246][   T10]      ipv6_find_idev+0x102/0x170
[  346.286246][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  346.286246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.286246][   T10]      netlink_rcv_skb+0x130/0x360
[  346.286246][   T10]      netlink_unicast+0x449/0x710
[  346.286246][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.286246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.286246][   T10]      ___sys_sendmsg+0xee/0x170
[  346.286246][   T10]      __sys_sendmsg+0xcd/0x170
[  346.286246][   T10]      do_syscall_64+0xc6/0x1e0
[  346.286246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.286246][   T10] 
[  346.287892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  346.287892][   T10]      neigh_parms_alloc+0x1e5/0x510
[  346.287892][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  346.287892][   T10]      ipv6_find_idev+0x102/0x170
[  346.287892][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  346.287892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.287892][   T10]      netlink_rcv_skb+0x130/0x360
[  346.287892][   T10]      netlink_unicast+0x449/0x710
[  346.287892][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.287892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.287892][   T10]      ___sys_sendmsg+0xee/0x170
[  346.287892][   T10]      __sys_sendmsg+0xcd/0x170
[  346.287892][   T10]      do_syscall_64+0xc6/0x1e0
[  346.287892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.287892][   T10] 
[  346.289704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  346.289967][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.289967][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  346.289967][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  346.289967][   T10]      fib6_nh_init+0xa22/0x1580
[  346.289967][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.289967][   T10]      ip6_route_add+0x1c/0x140
[  346.289967][   T10]      inet6_rtm_newroute+0x104/0x110
[  346.289967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.289967][   T10]      netlink_rcv_skb+0x130/0x360
[  346.289967][   T10]      netlink_unicast+0x449/0x710
[  346.289967][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.289967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.289967][   T10]      ___sys_sendmsg+0xee/0x170
[  346.289967][   T10]      __sys_sendmsg+0xcd/0x170
[  346.289967][   T10]      do_syscall_64+0xc6/0x1e0
[  346.289967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.289967][   T10] 
[  346.292160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.292160][   T10]      dst_init+0x84/0x4a0
[  346.292160][   T10]      dst_alloc+0x97/0x150
[  346.292160][   T10]      ip6_dst_alloc+0x23/0x90
[  346.292160][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  346.292160][   T10]      ip6_pol_route+0x56f/0x840
[  346.292160][   T10]      fib6_rule_lookup+0x456/0x630
[  346.292160][   T10]      ip6_route_input+0x59c/0xa50
[  346.292160][   T10]      ipv6_rcv+0x397/0x810
[  346.292160][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  346.292160][   T10]      process_backlog+0x101/0x620
[  346.292160][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  346.292160][   T10]      net_rx_action+0x495/0xbe0
[  346.292160][   T10]      __do_softirq+0x1b5/0x7f6
[  346.292160][   T10] 
[  346.294157][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.294157][   T10]      netdev_get_by_index+0x5e/0x80
[  346.294157][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.294157][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.294157][   T10]      addrconf_f6i_alloc+0x265/0x560
[  346.294157][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  346.294157][   T10]      addrconf_join_anycast+0x1c0/0x220
[  346.294157][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  346.294157][   T10]      addrconf_dad_completed+0x12b/0xe20
[  346.294157][   T10]      addrconf_dad_begin+0x310/0x670
[  346.294157][   T10]      addrconf_dad_work+0x10b/0xab0
[  346.294157][   T10]      process_one_work+0x84d/0x18a0
[  346.294157][   T10]      worker_thread+0x587/0xd30
[  346.294157][   T10]      kthread+0x28a/0x350
[  346.294157][   T10]      ret_from_fork+0x31/0x70
[  346.294157][   T10]      ret_from_fork_asm+0x1a/0x30
[  346.294157][   T10] 
[  346.296421][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.296421][   T10]      netdev_get_by_index+0x5e/0x80
[  346.296421][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.296421][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.296421][   T10]      ip6_route_add+0x1c/0x140
[  346.296421][   T10]      addrconf_prefix_route+0x2a6/0x430
[  346.296421][   T10]      inet6_addr_add+0x4f8/0xa40
[  346.296421][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.296421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.296421][   T10]      netlink_rcv_skb+0x130/0x360
[  346.296421][   T10]      netlink_unicast+0x449/0x710
[  346.296421][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.296421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.296421][   T10]      ___sys_sendmsg+0xee/0x170
[  346.296421][   T10]      __sys_sendmsg+0xcd/0x170
[  346.296421][   T10]      do_syscall_64+0xc6/0x1e0
[  346.296421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.296421][   T10] 
[  346.298759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.298759][   T10]      netdev_get_by_index+0x5e/0x80
[  346.298759][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.298759][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.298759][   T10]      addrconf_f6i_alloc+0x315/0x560
[  346.298759][   T10]      ipv6_add_addr+0x411/0x2000
[  346.298759][   T10]      inet6_addr_add+0x30e/0xa40
[  346.298759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.298759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.298759][   T10]      netlink_rcv_skb+0x130/0x360
[  346.298759][   T10]      netlink_unicast+0x449/0x710
[  346.298759][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.298759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.298759][   T10]      ___sys_sendmsg+0xee/0x170
[  346.298759][   T10]      __sys_sendmsg+0xcd/0x170
[  346.298759][   T10]      do_syscall_64+0xc6/0x1e0
[  346.298759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.298759][   T10] 
[  346.301254][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.301254][   T10]      netdev_get_by_index+0x5e/0x80
[  346.301254][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.301254][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.301254][   T10]      ip6_route_add+0x1c/0x140
[  346.301254][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  346.301254][   T10]      addrconf_add_dev+0xe2/0x170
[  346.301254][   T10]      inet6_addr_add+0x12f/0xa40
[  346.301254][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.301254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.301254][   T10]      netlink_rcv_skb+0x130/0x360
[  346.301254][   T10]      netlink_unicast+0x449/0x710
[  346.301254][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.301254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.301254][   T10]      ___sys_sendmsg+0xee/0x170
[  346.301254][   T10]      __sys_sendmsg+0xcd/0x170
[  346.301254][   T10]      do_syscall_64+0xc6/0x1e0
[  346.301254][   T10] 
[  346.303465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.303465][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  346.303465][   T10]      ipv6_find_idev+0x102/0x170
[  346.303465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  346.303465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.303465][   T10]      netlink_rcv_skb+0x130/0x360
[  346.303465][   T10]      netlink_unicast+0x449/0x710
[  346.303465][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.303465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.303465][   T10]      ___sys_sendmsg+0xee/0x170
[  346.303465][   T10]      __sys_sendmsg+0xcd/0x170
[  346.303465][   T10]      do_syscall_64+0xc6/0x1e0
[  346.303465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.303465][   T10] 
[  346.305249][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  346.305249][   T10]      neigh_parms_alloc+0x1e5/0x510
[  346.305249][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  346.305249][   T10]      ipv6_find_idev+0x102/0x170
[  346.305249][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  346.305249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.305249][   T10]      netlink_rcv_skb+0x130/0x360
[  346.305249][   T10]      netlink_unicast+0x449/0x710
[  346.305249][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.305249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.305249][   T10]      ___sys_sendmsg+0xee/0x170
[  346.305249][   T10]      __sys_sendmsg+0xcd/0x170
[  346.305249][   T10]      do_syscall_64+0xc6/0x1e0
[  346.305249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.305249][   T10] 
[  346.307143][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  346.307495][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  346.307495][   T10]      netdev_get_by_index+0x5e/0x80
[  346.307495][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.307495][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.307495][   T10]      ip6_route_add+0x1c/0x140
[  346.307495][   T10]      addrconf_prefix_route+0x2a6/0x430
[  346.307495][   T10]      inet6_addr_add+0x4f8/0xa40
[  346.307495][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.307495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.307495][   T10]      netlink_rcv_skb+0x130/0x360
[  346.307495][   T10]      netlink_unicast+0x449/0x710
[  346.307495][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.307495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.307495][   T10]      ___sys_sendmsg+0xee/0x170
[  346.307495][   T10]      __sys_sendmsg+0xcd/0x170
[  346.307495][   T10]      do_syscall_64+0xc6/0x1e0
[  346.307495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.307495][   T10] 
[  346.309770][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  346.309770][   T10]      netdev_get_by_index+0x5e/0x80
[  346.309770][   T10]      fib6_nh_init+0x3d8/0x1580
[  346.309770][   T10]      ip6_route_info_create+0xf18/0x17d0
[  346.309770][   T10]      addrconf_f6i_alloc+0x315/0x560
[  346.309770][   T10]      ipv6_add_addr+0x411/0x2000
[  346.309770][   T10]      inet6_addr_add+0x30e/0xa40
[  346.309770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  346.309770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.309770][   T10]      netlink_rcv_skb+0x130/0x360
[  346.309770][   T10]      netlink_unicast+0x449/0x710
[  346.309770][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.309770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.309770][   T10]      ___sys_sendmsg+0xee/0x170
[  346.309770][   T10]      __sys_sendmsg+0xcd/0x170
[  346.309770][   T10]      do_syscall_64+0xc6/0x1e0
[  346.309770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.309770][   T10] 
[  346.312264][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  346.312264][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  346.312264][   T10]      ipv6_find_idev+0x102/0x170
[  346.312264][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  346.312264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.312264][   T10]      netlink_rcv_skb+0x130/0x360
[  346.312264][   T10]      netlink_unicast+0x449/0x710
[  346.312264][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.312264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.312264][   T10]      ___sys_sendmsg+0xee/0x170
[  346.312264][   T10]      __sys_sendmsg+0xcd/0x170
[  346.312264][   T10]      do_syscall_64+0xc6/0x1e0
[  346.312264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.312264][   T10] 
[  346.314087][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  346.314087][   T10]      neigh_parms_alloc+0x1e5/0x510
[  346.314087][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  346.314087][   T10]      ipv6_find_idev+0x102/0x170
[  346.314087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  346.314087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  346.314087][   T10]      netlink_rcv_skb+0x130/0x360
[  346.314087][   T10]      netlink_unicast+0x449/0x710
[  346.314087][   T10]      netlink_sendmsg+0x723/0xbe0
[  346.314087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  346.314087][   T10]      ___sys_sendmsg+0xee/0x170
[  346.314087][   T10]      __sys_sendmsg+0xcd/0x170
[  346.314087][   T10]      do_syscall_64+0xc6/0x1e0
[  346.314087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  346.314087][   T10] 
[  350.717070][ T2510] br0: port 1(vx0) entered blocking state
[  350.717346][ T2510] br0: port 1(vx0) entered disabled state
[  350.717526][ T2510] vx0: entered allmulticast mode
[  350.718694][ T2510] vx0: entered promiscuous mode
[  350.720515][ T2510] br0: port 1(vx0) entered blocking state
[  350.720698][ T2510] br0: port 1(vx0) entered forwarding state
[  354.916459][ T2541] veth0: renamed from veth1
[  356.448686][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  356.449097][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.449097][   T10]      dst_init+0x84/0x4a0
[  356.449097][   T10]      dst_alloc+0x97/0x150
[  356.449097][   T10]      ip6_dst_alloc+0x23/0x90
[  356.449097][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  356.449097][   T10]      ip6_pol_route+0x56f/0x840
[  356.449097][   T10]      fib6_rule_lookup+0x456/0x630
[  356.449097][   T10]      ip6_route_input+0x59c/0xa50
[  356.449097][   T10]      ipv6_rcv+0x397/0x810
[  356.449097][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  356.449097][   T10]      process_backlog+0x101/0x620
[  356.449097][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  356.449097][   T10]      net_rx_action+0x495/0xbe0
[  356.449097][   T10]      __do_softirq+0x1b5/0x7f6
[  356.449097][   T10] 
[  356.450892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.450892][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  356.450892][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  356.450892][   T10]      fib6_nh_init+0xa22/0x1580
[  356.450892][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.450892][   T10]      ip6_route_add+0x1c/0x140
[  356.450892][   T10]      inet6_rtm_newroute+0x104/0x110
[  356.450892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.450892][   T10]      netlink_rcv_skb+0x130/0x360
[  356.450892][   T10]      netlink_unicast+0x449/0x710
[  356.450892][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.450892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.450892][   T10]      ___sys_sendmsg+0xee/0x170
[  356.450892][   T10]      __sys_sendmsg+0xcd/0x170
[  356.450892][   T10]      do_syscall_64+0xc6/0x1e0
[  356.450892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.450892][   T10] 
[  356.452914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.452914][   T10]      netdev_get_by_index+0x5e/0x80
[  356.452914][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.452914][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.452914][   T10]      addrconf_f6i_alloc+0x265/0x560
[  356.452914][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  356.452914][   T10]      addrconf_join_anycast+0x1c0/0x220
[  356.452914][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  356.452914][   T10]      addrconf_dad_completed+0x12b/0xe20
[  356.452914][   T10]      addrconf_dad_begin+0x310/0x670
[  356.452914][   T10]      addrconf_dad_work+0x10b/0xab0
[  356.452914][   T10]      process_one_work+0x84d/0x18a0
[  356.452914][   T10]      worker_thread+0x587/0xd30
[  356.452914][   T10]      kthread+0x28a/0x350
[  356.452914][   T10]      ret_from_fork+0x31/0x70
[  356.452914][   T10]      ret_from_fork_asm+0x1a/0x30
[  356.452914][   T10] 
[  356.454959][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.454959][   T10]      netdev_get_by_index+0x5e/0x80
[  356.454959][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.454959][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.454959][   T10]      ip6_route_add+0x1c/0x140
[  356.454959][   T10]      addrconf_prefix_route+0x2a6/0x430
[  356.454959][   T10]      inet6_addr_add+0x4f8/0xa40
[  356.454959][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.454959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.454959][   T10]      netlink_rcv_skb+0x130/0x360
[  356.454959][   T10]      netlink_unicast+0x449/0x710
[  356.454959][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.454959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.454959][   T10]      ___sys_sendmsg+0xee/0x170
[  356.454959][   T10]      __sys_sendmsg+0xcd/0x170
[  356.454959][   T10]      do_syscall_64+0xc6/0x1e0
[  356.454959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.454959][   T10] 
[  356.457101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.457101][   T10]      netdev_get_by_index+0x5e/0x80
[  356.457101][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.457101][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.457101][   T10]      addrconf_f6i_alloc+0x315/0x560
[  356.457101][   T10]      ipv6_add_addr+0x411/0x2000
[  356.457101][   T10]      inet6_addr_add+0x30e/0xa40
[  356.457101][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.457101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.457101][   T10]      netlink_rcv_skb+0x130/0x360
[  356.457101][   T10]      netlink_unicast+0x449/0x710
[  356.457101][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.457101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.457101][   T10]      ___sys_sendmsg+0xee/0x170
[  356.457101][   T10]      __sys_sendmsg+0xcd/0x170
[  356.457101][   T10]      do_syscall_64+0xc6/0x1e0
[  356.457101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.457101][   T10] 
[  356.459222][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.459222][   T10]      netdev_get_by_index+0x5e/0x80
[  356.459222][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.459222][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.459222][   T10]      ip6_route_add+0x1c/0x140
[  356.459222][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  356.459222][   T10]      addrconf_add_dev+0xe2/0x170
[  356.459222][   T10]      inet6_addr_add+0x12f/0xa40
[  356.459222][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.459222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.459222][   T10]      netlink_rcv_skb+0x130/0x360
[  356.459222][   T10]      netlink_unicast+0x449/0x710
[  356.459222][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.459222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.459222][   T10]      ___sys_sendmsg+0xee/0x170
[  356.459222][   T10]      __sys_sendmsg+0xcd/0x170
[  356.459222][   T10]      do_syscall_64+0xc6/0x1e0
[  356.459222][   T10] 
[  356.461292][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.461292][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  356.461292][   T10]      ipv6_find_idev+0x102/0x170
[  356.461292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.461292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.461292][   T10]      netlink_rcv_skb+0x130/0x360
[  356.461292][   T10]      netlink_unicast+0x449/0x710
[  356.461292][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.461292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.461292][   T10]      ___sys_sendmsg+0xee/0x170
[  356.461292][   T10]      __sys_sendmsg+0xcd/0x170
[  356.461292][   T10]      do_syscall_64+0xc6/0x1e0
[  356.461292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.461292][   T10] 
[  356.462922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  356.462922][   T10]      neigh_parms_alloc+0x1e5/0x510
[  356.462922][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  356.462922][   T10]      ipv6_find_idev+0x102/0x170
[  356.462922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.462922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.462922][   T10]      netlink_rcv_skb+0x130/0x360
[  356.462922][   T10]      netlink_unicast+0x449/0x710
[  356.462922][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.462922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.462922][   T10]      ___sys_sendmsg+0xee/0x170
[  356.462922][   T10]      __sys_sendmsg+0xcd/0x170
[  356.462922][   T10]      do_syscall_64+0xc6/0x1e0
[  356.462922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.462922][   T10] 
[  356.464717][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  356.464982][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.464982][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  356.464982][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  356.464982][   T10]      fib6_nh_init+0xa22/0x1580
[  356.464982][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.464982][   T10]      ip6_route_add+0x1c/0x140
[  356.464982][   T10]      inet6_rtm_newroute+0x104/0x110
[  356.464982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.464982][   T10]      netlink_rcv_skb+0x130/0x360
[  356.464982][   T10]      netlink_unicast+0x449/0x710
[  356.464982][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.464982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.464982][   T10]      ___sys_sendmsg+0xee/0x170
[  356.464982][   T10]      __sys_sendmsg+0xcd/0x170
[  356.464982][   T10]      do_syscall_64+0xc6/0x1e0
[  356.464982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.464982][   T10] 
[  356.466940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.466940][   T10]      dst_init+0x84/0x4a0
[  356.466940][   T10]      dst_alloc+0x97/0x150
[  356.466940][   T10]      ip6_dst_alloc+0x23/0x90
[  356.466940][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  356.466940][   T10]      ip6_pol_route+0x56f/0x840
[  356.466940][   T10]      fib6_rule_lookup+0x456/0x630
[  356.466940][   T10]      ip6_route_input+0x59c/0xa50
[  356.466940][   T10]      ipv6_rcv+0x397/0x810
[  356.466940][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  356.466940][   T10]      process_backlog+0x101/0x620
[  356.466940][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  356.466940][   T10]      net_rx_action+0x495/0xbe0
[  356.466940][   T10]      __do_softirq+0x1b5/0x7f6
[  356.466940][   T10] 
[  356.468669][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.468669][   T10]      netdev_get_by_index+0x5e/0x80
[  356.468669][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.468669][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.468669][   T10]      addrconf_f6i_alloc+0x265/0x560
[  356.468669][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  356.468669][   T10]      addrconf_join_anycast+0x1c0/0x220
[  356.468669][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  356.468669][   T10]      addrconf_dad_completed+0x12b/0xe20
[  356.468669][   T10]      addrconf_dad_begin+0x310/0x670
[  356.468669][   T10]      addrconf_dad_work+0x10b/0xab0
[  356.468669][   T10]      process_one_work+0x84d/0x18a0
[  356.468669][   T10]      worker_thread+0x587/0xd30
[  356.468669][   T10]      kthread+0x28a/0x350
[  356.468669][   T10]      ret_from_fork+0x31/0x70
[  356.468669][   T10]      ret_from_fork_asm+0x1a/0x30
[  356.468669][   T10] 
[  356.470658][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.470658][   T10]      netdev_get_by_index+0x5e/0x80
[  356.470658][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.470658][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.470658][   T10]      ip6_route_add+0x1c/0x140
[  356.470658][   T10]      addrconf_prefix_route+0x2a6/0x430
[  356.470658][   T10]      inet6_addr_add+0x4f8/0xa40
[  356.470658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.470658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.470658][   T10]      netlink_rcv_skb+0x130/0x360
[  356.470658][   T10]      netlink_unicast+0x449/0x710
[  356.470658][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.470658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.470658][   T10]      ___sys_sendmsg+0xee/0x170
[  356.470658][   T10]      __sys_sendmsg+0xcd/0x170
[  356.470658][   T10]      do_syscall_64+0xc6/0x1e0
[  356.470658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.470658][   T10] 
[  356.472778][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.472778][   T10]      netdev_get_by_index+0x5e/0x80
[  356.472778][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.472778][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.472778][   T10]      addrconf_f6i_alloc+0x315/0x560
[  356.472778][   T10]      ipv6_add_addr+0x411/0x2000
[  356.472778][   T10]      inet6_addr_add+0x30e/0xa40
[  356.472778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.472778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.472778][   T10]      netlink_rcv_skb+0x130/0x360
[  356.472778][   T10]      netlink_unicast+0x449/0x710
[  356.472778][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.472778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.472778][   T10]      ___sys_sendmsg+0xee/0x170
[  356.472778][   T10]      __sys_sendmsg+0xcd/0x170
[  356.472778][   T10]      do_syscall_64+0xc6/0x1e0
[  356.472778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.472778][   T10] 
[  356.474907][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.474907][   T10]      netdev_get_by_index+0x5e/0x80
[  356.474907][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.474907][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.474907][   T10]      ip6_route_add+0x1c/0x140
[  356.474907][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  356.474907][   T10]      addrconf_add_dev+0xe2/0x170
[  356.474907][   T10]      inet6_addr_add+0x12f/0xa40
[  356.474907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.474907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.474907][   T10]      netlink_rcv_skb+0x130/0x360
[  356.474907][   T10]      netlink_unicast+0x449/0x710
[  356.474907][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.474907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.474907][   T10]      ___sys_sendmsg+0xee/0x170
[  356.474907][   T10]      __sys_sendmsg+0xcd/0x170
[  356.474907][   T10]      do_syscall_64+0xc6/0x1e0
[  356.474907][   T10] 
[  356.477087][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.477087][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  356.477087][   T10]      ipv6_find_idev+0x102/0x170
[  356.477087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.477087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.477087][   T10]      netlink_rcv_skb+0x130/0x360
[  356.477087][   T10]      netlink_unicast+0x449/0x710
[  356.477087][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.477087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.477087][   T10]      ___sys_sendmsg+0xee/0x170
[  356.477087][   T10]      __sys_sendmsg+0xcd/0x170
[  356.477087][   T10]      do_syscall_64+0xc6/0x1e0
[  356.477087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.477087][   T10] 
[  356.478914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  356.478914][   T10]      neigh_parms_alloc+0x1e5/0x510
[  356.478914][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  356.478914][   T10]      ipv6_find_idev+0x102/0x170
[  356.478914][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.478914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.478914][   T10]      netlink_rcv_skb+0x130/0x360
[  356.478914][   T10]      netlink_unicast+0x449/0x710
[  356.478914][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.478914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.478914][   T10]      ___sys_sendmsg+0xee/0x170
[  356.478914][   T10]      __sys_sendmsg+0xcd/0x170
[  356.478914][   T10]      do_syscall_64+0xc6/0x1e0
[  356.478914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.478914][   T10] 
[  356.480895][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  356.481221][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  356.481221][   T10]      netdev_get_by_index+0x5e/0x80
[  356.481221][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.481221][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.481221][   T10]      ip6_route_add+0x1c/0x140
[  356.481221][   T10]      addrconf_prefix_route+0x2a6/0x430
[  356.481221][   T10]      inet6_addr_add+0x4f8/0xa40
[  356.481221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.481221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.481221][   T10]      netlink_rcv_skb+0x130/0x360
[  356.481221][   T10]      netlink_unicast+0x449/0x710
[  356.481221][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.481221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.481221][   T10]      ___sys_sendmsg+0xee/0x170
[  356.481221][   T10]      __sys_sendmsg+0xcd/0x170
[  356.481221][   T10]      do_syscall_64+0xc6/0x1e0
[  356.481221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.481221][   T10] 
[  356.483506][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  356.483506][   T10]      netdev_get_by_index+0x5e/0x80
[  356.483506][   T10]      fib6_nh_init+0x3d8/0x1580
[  356.483506][   T10]      ip6_route_info_create+0xf18/0x17d0
[  356.483506][   T10]      addrconf_f6i_alloc+0x315/0x560
[  356.483506][   T10]      ipv6_add_addr+0x411/0x2000
[  356.483506][   T10]      inet6_addr_add+0x30e/0xa40
[  356.483506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  356.483506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.483506][   T10]      netlink_rcv_skb+0x130/0x360
[  356.483506][   T10]      netlink_unicast+0x449/0x710
[  356.483506][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.483506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.483506][   T10]      ___sys_sendmsg+0xee/0x170
[  356.483506][   T10]      __sys_sendmsg+0xcd/0x170
[  356.483506][   T10]      do_syscall_64+0xc6/0x1e0
[  356.483506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.483506][   T10] 
[  356.485831][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  356.485831][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  356.485831][   T10]      ipv6_find_idev+0x102/0x170
[  356.485831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.485831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.485831][   T10]      netlink_rcv_skb+0x130/0x360
[  356.485831][   T10]      netlink_unicast+0x449/0x710
[  356.485831][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.485831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.485831][   T10]      ___sys_sendmsg+0xee/0x170
[  356.485831][   T10]      __sys_sendmsg+0xcd/0x170
[  356.485831][   T10]      do_syscall_64+0xc6/0x1e0
[  356.485831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.485831][   T10] 
[  356.487513][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  356.487513][   T10]      neigh_parms_alloc+0x1e5/0x510
[  356.487513][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  356.487513][   T10]      ipv6_find_idev+0x102/0x170
[  356.487513][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  356.487513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  356.487513][   T10]      netlink_rcv_skb+0x130/0x360
[  356.487513][   T10]      netlink_unicast+0x449/0x710
[  356.487513][   T10]      netlink_sendmsg+0x723/0xbe0
[  356.487513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  356.487513][   T10]      ___sys_sendmsg+0xee/0x170
[  356.487513][   T10]      __sys_sendmsg+0xcd/0x170
[  356.487513][   T10]      do_syscall_64+0xc6/0x1e0
[  356.487513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  356.487513][   T10] 
[  358.871784][ T2567] br0: port 1(vx0) entered blocking state
[  358.872055][ T2567] br0: port 1(vx0) entered disabled state
[  358.872225][ T2567] vx0: entered allmulticast mode
[  358.873384][ T2567] vx0: entered promiscuous mode
[  358.875220][ T2567] br0: port 1(vx0) entered blocking state
[  358.875389][ T2567] br0: port 1(vx0) entered forwarding state
[  364.433750][ T2597] br0: port 1(vx0) entered blocking state
[  364.434053][ T2597] br0: port 1(vx0) entered disabled state
[  364.434234][ T2597] vx0: entered allmulticast mode
[  364.435439][ T2597] vx0: entered promiscuous mode
[  364.437278][ T2597] br0: port 1(vx0) entered blocking state
[  364.437455][ T2597] br0: port 1(vx0) entered forwarding state
[  366.608650][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  366.609113][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.609113][   T10]      dst_init+0x84/0x4a0
[  366.609113][   T10]      dst_alloc+0x97/0x150
[  366.609113][   T10]      ip6_dst_alloc+0x23/0x90
[  366.609113][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  366.609113][   T10]      ip6_pol_route+0x56f/0x840
[  366.609113][   T10]      fib6_rule_lookup+0x456/0x630
[  366.609113][   T10]      ip6_route_input+0x59c/0xa50
[  366.609113][   T10]      ipv6_rcv+0x397/0x810
[  366.609113][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  366.609113][   T10]      process_backlog+0x101/0x620
[  366.609113][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  366.609113][   T10]      net_rx_action+0x495/0xbe0
[  366.609113][   T10]      __do_softirq+0x1b5/0x7f6
[  366.609113][   T10] 
[  366.610962][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.610962][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  366.610962][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  366.610962][   T10]      fib6_nh_init+0xa22/0x1580
[  366.610962][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.610962][   T10]      ip6_route_add+0x1c/0x140
[  366.610962][   T10]      inet6_rtm_newroute+0x104/0x110
[  366.610962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.610962][   T10]      netlink_rcv_skb+0x130/0x360
[  366.610962][   T10]      netlink_unicast+0x449/0x710
[  366.610962][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.610962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.610962][   T10]      ___sys_sendmsg+0xee/0x170
[  366.610962][   T10]      __sys_sendmsg+0xcd/0x170
[  366.610962][   T10]      do_syscall_64+0xc6/0x1e0
[  366.610962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.610962][   T10] 
[  366.612958][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.612958][   T10]      netdev_get_by_index+0x5e/0x80
[  366.612958][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.612958][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.612958][   T10]      addrconf_f6i_alloc+0x265/0x560
[  366.612958][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  366.612958][   T10]      addrconf_join_anycast+0x1c0/0x220
[  366.612958][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  366.612958][   T10]      addrconf_dad_completed+0x12b/0xe20
[  366.612958][   T10]      addrconf_dad_begin+0x310/0x670
[  366.612958][   T10]      addrconf_dad_work+0x10b/0xab0
[  366.612958][   T10]      process_one_work+0x84d/0x18a0
[  366.612958][   T10]      worker_thread+0x587/0xd30
[  366.612958][   T10]      kthread+0x28a/0x350
[  366.612958][   T10]      ret_from_fork+0x31/0x70
[  366.612958][   T10]      ret_from_fork_asm+0x1a/0x30
[  366.612958][   T10] 
[  366.614974][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.614974][   T10]      netdev_get_by_index+0x5e/0x80
[  366.614974][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.614974][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.614974][   T10]      ip6_route_add+0x1c/0x140
[  366.614974][   T10]      addrconf_prefix_route+0x2a6/0x430
[  366.614974][   T10]      inet6_addr_add+0x4f8/0xa40
[  366.614974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.614974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.614974][   T10]      netlink_rcv_skb+0x130/0x360
[  366.614974][   T10]      netlink_unicast+0x449/0x710
[  366.614974][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.614974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.614974][   T10]      ___sys_sendmsg+0xee/0x170
[  366.614974][   T10]      __sys_sendmsg+0xcd/0x170
[  366.614974][   T10]      do_syscall_64+0xc6/0x1e0
[  366.614974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.614974][   T10] 
[  366.617057][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.617057][   T10]      netdev_get_by_index+0x5e/0x80
[  366.617057][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.617057][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.617057][   T10]      addrconf_f6i_alloc+0x315/0x560
[  366.617057][   T10]      ipv6_add_addr+0x411/0x2000
[  366.617057][   T10]      inet6_addr_add+0x30e/0xa40
[  366.617057][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.617057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.617057][   T10]      netlink_rcv_skb+0x130/0x360
[  366.617057][   T10]      netlink_unicast+0x449/0x710
[  366.617057][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.617057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.617057][   T10]      ___sys_sendmsg+0xee/0x170
[  366.617057][   T10]      __sys_sendmsg+0xcd/0x170
[  366.617057][   T10]      do_syscall_64+0xc6/0x1e0
[  366.617057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.617057][   T10] 
[  366.619132][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.619132][   T10]      netdev_get_by_index+0x5e/0x80
[  366.619132][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.619132][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.619132][   T10]      ip6_route_add+0x1c/0x140
[  366.619132][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  366.619132][   T10]      addrconf_add_dev+0xe2/0x170
[  366.619132][   T10]      inet6_addr_add+0x12f/0xa40
[  366.619132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.619132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.619132][   T10]      netlink_rcv_skb+0x130/0x360
[  366.619132][   T10]      netlink_unicast+0x449/0x710
[  366.619132][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.619132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.619132][   T10]      ___sys_sendmsg+0xee/0x170
[  366.619132][   T10]      __sys_sendmsg+0xcd/0x170
[  366.619132][   T10]      do_syscall_64+0xc6/0x1e0
[  366.619132][   T10] 
[  366.621160][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.621160][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  366.621160][   T10]      ipv6_find_idev+0x102/0x170
[  366.621160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.621160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.621160][   T10]      netlink_rcv_skb+0x130/0x360
[  366.621160][   T10]      netlink_unicast+0x449/0x710
[  366.621160][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.621160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.621160][   T10]      ___sys_sendmsg+0xee/0x170
[  366.621160][   T10]      __sys_sendmsg+0xcd/0x170
[  366.621160][   T10]      do_syscall_64+0xc6/0x1e0
[  366.621160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.621160][   T10] 
[  366.622748][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  366.622748][   T10]      neigh_parms_alloc+0x1e5/0x510
[  366.622748][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  366.622748][   T10]      ipv6_find_idev+0x102/0x170
[  366.622748][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.622748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.622748][   T10]      netlink_rcv_skb+0x130/0x360
[  366.622748][   T10]      netlink_unicast+0x449/0x710
[  366.622748][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.622748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.622748][   T10]      ___sys_sendmsg+0xee/0x170
[  366.622748][   T10]      __sys_sendmsg+0xcd/0x170
[  366.622748][   T10]      do_syscall_64+0xc6/0x1e0
[  366.622748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.622748][   T10] 
[  366.624538][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  366.624825][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.624825][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  366.624825][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  366.624825][   T10]      fib6_nh_init+0xa22/0x1580
[  366.624825][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.624825][   T10]      ip6_route_add+0x1c/0x140
[  366.624825][   T10]      inet6_rtm_newroute+0x104/0x110
[  366.624825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.624825][   T10]      netlink_rcv_skb+0x130/0x360
[  366.624825][   T10]      netlink_unicast+0x449/0x710
[  366.624825][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.624825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.624825][   T10]      ___sys_sendmsg+0xee/0x170
[  366.624825][   T10]      __sys_sendmsg+0xcd/0x170
[  366.624825][   T10]      do_syscall_64+0xc6/0x1e0
[  366.624825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.624825][   T10] 
[  366.626799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.626799][   T10]      dst_init+0x84/0x4a0
[  366.626799][   T10]      dst_alloc+0x97/0x150
[  366.626799][   T10]      ip6_dst_alloc+0x23/0x90
[  366.626799][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  366.626799][   T10]      ip6_pol_route+0x56f/0x840
[  366.626799][   T10]      fib6_rule_lookup+0x456/0x630
[  366.626799][   T10]      ip6_route_input+0x59c/0xa50
[  366.626799][   T10]      ipv6_rcv+0x397/0x810
[  366.626799][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  366.626799][   T10]      process_backlog+0x101/0x620
[  366.626799][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  366.626799][   T10]      net_rx_action+0x495/0xbe0
[  366.626799][   T10]      __do_softirq+0x1b5/0x7f6
[  366.626799][   T10] 
[  366.628550][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.628550][   T10]      netdev_get_by_index+0x5e/0x80
[  366.628550][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.628550][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.628550][   T10]      addrconf_f6i_alloc+0x265/0x560
[  366.628550][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  366.628550][   T10]      addrconf_join_anycast+0x1c0/0x220
[  366.628550][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  366.628550][   T10]      addrconf_dad_completed+0x12b/0xe20
[  366.628550][   T10]      addrconf_dad_begin+0x310/0x670
[  366.628550][   T10]      addrconf_dad_work+0x10b/0xab0
[  366.628550][   T10]      process_one_work+0x84d/0x18a0
[  366.628550][   T10]      worker_thread+0x587/0xd30
[  366.628550][   T10]      kthread+0x28a/0x350
[  366.628550][   T10]      ret_from_fork+0x31/0x70
[  366.628550][   T10]      ret_from_fork_asm+0x1a/0x30
[  366.628550][   T10] 
[  366.630573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.630573][   T10]      netdev_get_by_index+0x5e/0x80
[  366.630573][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.630573][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.630573][   T10]      ip6_route_add+0x1c/0x140
[  366.630573][   T10]      addrconf_prefix_route+0x2a6/0x430
[  366.630573][   T10]      inet6_addr_add+0x4f8/0xa40
[  366.630573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.630573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.630573][   T10]      netlink_rcv_skb+0x130/0x360
[  366.630573][   T10]      netlink_unicast+0x449/0x710
[  366.630573][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.630573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.630573][   T10]      ___sys_sendmsg+0xee/0x170
[  366.630573][   T10]      __sys_sendmsg+0xcd/0x170
[  366.630573][   T10]      do_syscall_64+0xc6/0x1e0
[  366.630573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.630573][   T10] 
[  366.632655][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.632655][   T10]      netdev_get_by_index+0x5e/0x80
[  366.632655][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.632655][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.632655][   T10]      addrconf_f6i_alloc+0x315/0x560
[  366.632655][   T10]      ipv6_add_addr+0x411/0x2000
[  366.632655][   T10]      inet6_addr_add+0x30e/0xa40
[  366.632655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.632655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.632655][   T10]      netlink_rcv_skb+0x130/0x360
[  366.632655][   T10]      netlink_unicast+0x449/0x710
[  366.632655][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.632655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.632655][   T10]      ___sys_sendmsg+0xee/0x170
[  366.632655][   T10]      __sys_sendmsg+0xcd/0x170
[  366.632655][   T10]      do_syscall_64+0xc6/0x1e0
[  366.632655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.632655][   T10] 
[  366.634737][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.634737][   T10]      netdev_get_by_index+0x5e/0x80
[  366.634737][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.634737][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.634737][   T10]      ip6_route_add+0x1c/0x140
[  366.634737][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  366.634737][   T10]      addrconf_add_dev+0xe2/0x170
[  366.634737][   T10]      inet6_addr_add+0x12f/0xa40
[  366.634737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.634737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.634737][   T10]      netlink_rcv_skb+0x130/0x360
[  366.634737][   T10]      netlink_unicast+0x449/0x710
[  366.634737][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.634737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.634737][   T10]      ___sys_sendmsg+0xee/0x170
[  366.634737][   T10]      __sys_sendmsg+0xcd/0x170
[  366.634737][   T10]      do_syscall_64+0xc6/0x1e0
[  366.634737][   T10] 
[  366.636908][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.636908][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  366.636908][   T10]      ipv6_find_idev+0x102/0x170
[  366.636908][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.636908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.636908][   T10]      netlink_rcv_skb+0x130/0x360
[  366.636908][   T10]      netlink_unicast+0x449/0x710
[  366.636908][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.636908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.636908][   T10]      ___sys_sendmsg+0xee/0x170
[  366.636908][   T10]      __sys_sendmsg+0xcd/0x170
[  366.636908][   T10]      do_syscall_64+0xc6/0x1e0
[  366.636908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.636908][   T10] 
[  366.638603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  366.638603][   T10]      neigh_parms_alloc+0x1e5/0x510
[  366.638603][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  366.638603][   T10]      ipv6_find_idev+0x102/0x170
[  366.638603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.638603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.638603][   T10]      netlink_rcv_skb+0x130/0x360
[  366.638603][   T10]      netlink_unicast+0x449/0x710
[  366.638603][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.638603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.638603][   T10]      ___sys_sendmsg+0xee/0x170
[  366.638603][   T10]      __sys_sendmsg+0xcd/0x170
[  366.638603][   T10]      do_syscall_64+0xc6/0x1e0
[  366.638603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.638603][   T10] 
[  366.640684][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  366.640945][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  366.640945][   T10]      netdev_get_by_index+0x5e/0x80
[  366.640945][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.640945][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.640945][   T10]      ip6_route_add+0x1c/0x140
[  366.640945][   T10]      addrconf_prefix_route+0x2a6/0x430
[  366.640945][   T10]      inet6_addr_add+0x4f8/0xa40
[  366.640945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.640945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.640945][   T10]      netlink_rcv_skb+0x130/0x360
[  366.640945][   T10]      netlink_unicast+0x449/0x710
[  366.640945][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.640945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.640945][   T10]      ___sys_sendmsg+0xee/0x170
[  366.640945][   T10]      __sys_sendmsg+0xcd/0x170
[  366.640945][   T10]      do_syscall_64+0xc6/0x1e0
[  366.640945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.640945][   T10] 
[  366.643175][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  366.643175][   T10]      netdev_get_by_index+0x5e/0x80
[  366.643175][   T10]      fib6_nh_init+0x3d8/0x1580
[  366.643175][   T10]      ip6_route_info_create+0xf18/0x17d0
[  366.643175][   T10]      addrconf_f6i_alloc+0x315/0x560
[  366.643175][   T10]      ipv6_add_addr+0x411/0x2000
[  366.643175][   T10]      inet6_addr_add+0x30e/0xa40
[  366.643175][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  366.643175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.643175][   T10]      netlink_rcv_skb+0x130/0x360
[  366.643175][   T10]      netlink_unicast+0x449/0x710
[  366.643175][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.643175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.643175][   T10]      ___sys_sendmsg+0xee/0x170
[  366.643175][   T10]      __sys_sendmsg+0xcd/0x170
[  366.643175][   T10]      do_syscall_64+0xc6/0x1e0
[  366.643175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.643175][   T10] 
[  366.645388][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  366.645388][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  366.645388][   T10]      ipv6_find_idev+0x102/0x170
[  366.645388][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.645388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.645388][   T10]      netlink_rcv_skb+0x130/0x360
[  366.645388][   T10]      netlink_unicast+0x449/0x710
[  366.645388][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.645388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.645388][   T10]      ___sys_sendmsg+0xee/0x170
[  366.645388][   T10]      __sys_sendmsg+0xcd/0x170
[  366.645388][   T10]      do_syscall_64+0xc6/0x1e0
[  366.645388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.645388][   T10] 
[  366.647160][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  366.647160][   T10]      neigh_parms_alloc+0x1e5/0x510
[  366.647160][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  366.647160][   T10]      ipv6_find_idev+0x102/0x170
[  366.647160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  366.647160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  366.647160][   T10]      netlink_rcv_skb+0x130/0x360
[  366.647160][   T10]      netlink_unicast+0x449/0x710
[  366.647160][   T10]      netlink_sendmsg+0x723/0xbe0
[  366.647160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  366.647160][   T10]      ___sys_sendmsg+0xee/0x170
[  366.647160][   T10]      __sys_sendmsg+0xcd/0x170
[  366.647160][   T10]      do_syscall_64+0xc6/0x1e0
[  366.647160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  366.647160][   T10] 
[  376.720609][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  376.720931][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.720931][   T10]      dst_init+0x84/0x4a0
[  376.720931][   T10]      dst_alloc+0x97/0x150
[  376.720931][   T10]      ip6_dst_alloc+0x23/0x90
[  376.720931][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  376.720931][   T10]      ip6_pol_route+0x56f/0x840
[  376.720931][   T10]      fib6_rule_lookup+0x456/0x630
[  376.720931][   T10]      ip6_route_input+0x59c/0xa50
[  376.720931][   T10]      ipv6_rcv+0x397/0x810
[  376.720931][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  376.720931][   T10]      process_backlog+0x101/0x620
[  376.720931][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  376.720931][   T10]      net_rx_action+0x495/0xbe0
[  376.720931][   T10]      __do_softirq+0x1b5/0x7f6
[  376.720931][   T10] 
[  376.722677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.722677][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  376.722677][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  376.722677][   T10]      fib6_nh_init+0xa22/0x1580
[  376.722677][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.722677][   T10]      ip6_route_add+0x1c/0x140
[  376.722677][   T10]      inet6_rtm_newroute+0x104/0x110
[  376.722677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.722677][   T10]      netlink_rcv_skb+0x130/0x360
[  376.722677][   T10]      netlink_unicast+0x449/0x710
[  376.722677][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.722677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.722677][   T10]      ___sys_sendmsg+0xee/0x170
[  376.722677][   T10]      __sys_sendmsg+0xcd/0x170
[  376.722677][   T10]      do_syscall_64+0xc6/0x1e0
[  376.722677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.722677][   T10] 
[  376.724658][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.724658][   T10]      netdev_get_by_index+0x5e/0x80
[  376.724658][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.724658][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.724658][   T10]      addrconf_f6i_alloc+0x265/0x560
[  376.724658][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  376.724658][   T10]      addrconf_join_anycast+0x1c0/0x220
[  376.724658][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  376.724658][   T10]      addrconf_dad_completed+0x12b/0xe20
[  376.724658][   T10]      addrconf_dad_begin+0x310/0x670
[  376.724658][   T10]      addrconf_dad_work+0x10b/0xab0
[  376.724658][   T10]      process_one_work+0x84d/0x18a0
[  376.724658][   T10]      worker_thread+0x587/0xd30
[  376.724658][   T10]      kthread+0x28a/0x350
[  376.724658][   T10]      ret_from_fork+0x31/0x70
[  376.724658][   T10]      ret_from_fork_asm+0x1a/0x30
[  376.724658][   T10] 
[  376.726641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.726641][   T10]      netdev_get_by_index+0x5e/0x80
[  376.726641][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.726641][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.726641][   T10]      ip6_route_add+0x1c/0x140
[  376.726641][   T10]      addrconf_prefix_route+0x2a6/0x430
[  376.726641][   T10]      inet6_addr_add+0x4f8/0xa40
[  376.726641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.726641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.726641][   T10]      netlink_rcv_skb+0x130/0x360
[  376.726641][   T10]      netlink_unicast+0x449/0x710
[  376.726641][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.726641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.726641][   T10]      ___sys_sendmsg+0xee/0x170
[  376.726641][   T10]      __sys_sendmsg+0xcd/0x170
[  376.726641][   T10]      do_syscall_64+0xc6/0x1e0
[  376.726641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.726641][   T10] 
[  376.728734][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.728734][   T10]      netdev_get_by_index+0x5e/0x80
[  376.728734][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.728734][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.728734][   T10]      addrconf_f6i_alloc+0x315/0x560
[  376.728734][   T10]      ipv6_add_addr+0x411/0x2000
[  376.728734][   T10]      inet6_addr_add+0x30e/0xa40
[  376.728734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.728734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.728734][   T10]      netlink_rcv_skb+0x130/0x360
[  376.728734][   T10]      netlink_unicast+0x449/0x710
[  376.728734][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.728734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.728734][   T10]      ___sys_sendmsg+0xee/0x170
[  376.728734][   T10]      __sys_sendmsg+0xcd/0x170
[  376.728734][   T10]      do_syscall_64+0xc6/0x1e0
[  376.728734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.728734][   T10] 
[  376.730891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.730891][   T10]      netdev_get_by_index+0x5e/0x80
[  376.730891][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.730891][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.730891][   T10]      ip6_route_add+0x1c/0x140
[  376.730891][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  376.730891][   T10]      addrconf_add_dev+0xe2/0x170
[  376.730891][   T10]      inet6_addr_add+0x12f/0xa40
[  376.730891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.730891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.730891][   T10]      netlink_rcv_skb+0x130/0x360
[  376.730891][   T10]      netlink_unicast+0x449/0x710
[  376.730891][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.730891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.730891][   T10]      ___sys_sendmsg+0xee/0x170
[  376.730891][   T10]      __sys_sendmsg+0xcd/0x170
[  376.730891][   T10]      do_syscall_64+0xc6/0x1e0
[  376.730891][   T10] 
[  376.733139][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.733139][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  376.733139][   T10]      ipv6_find_idev+0x102/0x170
[  376.733139][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.733139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.733139][   T10]      netlink_rcv_skb+0x130/0x360
[  376.733139][   T10]      netlink_unicast+0x449/0x710
[  376.733139][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.733139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.733139][   T10]      ___sys_sendmsg+0xee/0x170
[  376.733139][   T10]      __sys_sendmsg+0xcd/0x170
[  376.733139][   T10]      do_syscall_64+0xc6/0x1e0
[  376.733139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.733139][   T10] 
[  376.734843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  376.734843][   T10]      neigh_parms_alloc+0x1e5/0x510
[  376.734843][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  376.734843][   T10]      ipv6_find_idev+0x102/0x170
[  376.734843][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.734843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.734843][   T10]      netlink_rcv_skb+0x130/0x360
[  376.734843][   T10]      netlink_unicast+0x449/0x710
[  376.734843][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.734843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.734843][   T10]      ___sys_sendmsg+0xee/0x170
[  376.734843][   T10]      __sys_sendmsg+0xcd/0x170
[  376.734843][   T10]      do_syscall_64+0xc6/0x1e0
[  376.734843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.734843][   T10] 
[  376.736844][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  376.737106][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.737106][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  376.737106][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  376.737106][   T10]      fib6_nh_init+0xa22/0x1580
[  376.737106][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.737106][   T10]      ip6_route_add+0x1c/0x140
[  376.737106][   T10]      inet6_rtm_newroute+0x104/0x110
[  376.737106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.737106][   T10]      netlink_rcv_skb+0x130/0x360
[  376.737106][   T10]      netlink_unicast+0x449/0x710
[  376.737106][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.737106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.737106][   T10]      ___sys_sendmsg+0xee/0x170
[  376.737106][   T10]      __sys_sendmsg+0xcd/0x170
[  376.737106][   T10]      do_syscall_64+0xc6/0x1e0
[  376.737106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.737106][   T10] 
[  376.739339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.739339][   T10]      dst_init+0x84/0x4a0
[  376.739339][   T10]      dst_alloc+0x97/0x150
[  376.739339][   T10]      ip6_dst_alloc+0x23/0x90
[  376.739339][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  376.739339][   T10]      ip6_pol_route+0x56f/0x840
[  376.739339][   T10]      fib6_rule_lookup+0x456/0x630
[  376.739339][   T10]      ip6_route_input+0x59c/0xa50
[  376.739339][   T10]      ipv6_rcv+0x397/0x810
[  376.739339][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  376.739339][   T10]      process_backlog+0x101/0x620
[  376.739339][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  376.739339][   T10]      net_rx_action+0x495/0xbe0
[  376.739339][   T10]      __do_softirq+0x1b5/0x7f6
[  376.739339][   T10] 
[  376.741198][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.741198][   T10]      netdev_get_by_index+0x5e/0x80
[  376.741198][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.741198][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.741198][   T10]      addrconf_f6i_alloc+0x265/0x560
[  376.741198][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  376.741198][   T10]      addrconf_join_anycast+0x1c0/0x220
[  376.741198][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  376.741198][   T10]      addrconf_dad_completed+0x12b/0xe20
[  376.741198][   T10]      addrconf_dad_begin+0x310/0x670
[  376.741198][   T10]      addrconf_dad_work+0x10b/0xab0
[  376.741198][   T10]      process_one_work+0x84d/0x18a0
[  376.741198][   T10]      worker_thread+0x587/0xd30
[  376.741198][   T10]      kthread+0x28a/0x350
[  376.741198][   T10]      ret_from_fork+0x31/0x70
[  376.741198][   T10]      ret_from_fork_asm+0x1a/0x30
[  376.741198][   T10] 
[  376.743273][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.743273][   T10]      netdev_get_by_index+0x5e/0x80
[  376.743273][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.743273][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.743273][   T10]      ip6_route_add+0x1c/0x140
[  376.743273][   T10]      addrconf_prefix_route+0x2a6/0x430
[  376.743273][   T10]      inet6_addr_add+0x4f8/0xa40
[  376.743273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.743273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.743273][   T10]      netlink_rcv_skb+0x130/0x360
[  376.743273][   T10]      netlink_unicast+0x449/0x710
[  376.743273][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.743273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.743273][   T10]      ___sys_sendmsg+0xee/0x170
[  376.743273][   T10]      __sys_sendmsg+0xcd/0x170
[  376.743273][   T10]      do_syscall_64+0xc6/0x1e0
[  376.743273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.743273][   T10] 
[  376.745598][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.745598][   T10]      netdev_get_by_index+0x5e/0x80
[  376.745598][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.745598][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.745598][   T10]      addrconf_f6i_alloc+0x315/0x560
[  376.745598][   T10]      ipv6_add_addr+0x411/0x2000
[  376.745598][   T10]      inet6_addr_add+0x30e/0xa40
[  376.745598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.745598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.745598][   T10]      netlink_rcv_skb+0x130/0x360
[  376.745598][   T10]      netlink_unicast+0x449/0x710
[  376.745598][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.745598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.745598][   T10]      ___sys_sendmsg+0xee/0x170
[  376.745598][   T10]      __sys_sendmsg+0xcd/0x170
[  376.745598][   T10]      do_syscall_64+0xc6/0x1e0
[  376.745598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.745598][   T10] 
[  376.747900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.747900][   T10]      netdev_get_by_index+0x5e/0x80
[  376.747900][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.747900][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.747900][   T10]      ip6_route_add+0x1c/0x140
[  376.747900][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  376.747900][   T10]      addrconf_add_dev+0xe2/0x170
[  376.747900][   T10]      inet6_addr_add+0x12f/0xa40
[  376.747900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.747900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.747900][   T10]      netlink_rcv_skb+0x130/0x360
[  376.747900][   T10]      netlink_unicast+0x449/0x710
[  376.747900][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.747900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.747900][   T10]      ___sys_sendmsg+0xee/0x170
[  376.747900][   T10]      __sys_sendmsg+0xcd/0x170
[  376.747900][   T10]      do_syscall_64+0xc6/0x1e0
[  376.747900][   T10] 
[  376.750224][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.750224][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  376.750224][   T10]      ipv6_find_idev+0x102/0x170
[  376.750224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.750224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.750224][   T10]      netlink_rcv_skb+0x130/0x360
[  376.750224][   T10]      netlink_unicast+0x449/0x710
[  376.750224][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.750224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.750224][   T10]      ___sys_sendmsg+0xee/0x170
[  376.750224][   T10]      __sys_sendmsg+0xcd/0x170
[  376.750224][   T10]      do_syscall_64+0xc6/0x1e0
[  376.750224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.750224][   T10] 
[  376.751929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  376.751929][   T10]      neigh_parms_alloc+0x1e5/0x510
[  376.751929][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  376.751929][   T10]      ipv6_find_idev+0x102/0x170
[  376.751929][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.751929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.751929][   T10]      netlink_rcv_skb+0x130/0x360
[  376.751929][   T10]      netlink_unicast+0x449/0x710
[  376.751929][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.751929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.751929][   T10]      ___sys_sendmsg+0xee/0x170
[  376.751929][   T10]      __sys_sendmsg+0xcd/0x170
[  376.751929][   T10]      do_syscall_64+0xc6/0x1e0
[  376.751929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.751929][   T10] 
[  376.753864][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  376.754176][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  376.754176][   T10]      netdev_get_by_index+0x5e/0x80
[  376.754176][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.754176][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.754176][   T10]      ip6_route_add+0x1c/0x140
[  376.754176][   T10]      addrconf_prefix_route+0x2a6/0x430
[  376.754176][   T10]      inet6_addr_add+0x4f8/0xa40
[  376.754176][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.754176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.754176][   T10]      netlink_rcv_skb+0x130/0x360
[  376.754176][   T10]      netlink_unicast+0x449/0x710
[  376.754176][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.754176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.754176][   T10]      ___sys_sendmsg+0xee/0x170
[  376.754176][   T10]      __sys_sendmsg+0xcd/0x170
[  376.754176][   T10]      do_syscall_64+0xc6/0x1e0
[  376.754176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.754176][   T10] 
[  376.756331][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  376.756331][   T10]      netdev_get_by_index+0x5e/0x80
[  376.756331][   T10]      fib6_nh_init+0x3d8/0x1580
[  376.756331][   T10]      ip6_route_info_create+0xf18/0x17d0
[  376.756331][   T10]      addrconf_f6i_alloc+0x315/0x560
[  376.756331][   T10]      ipv6_add_addr+0x411/0x2000
[  376.756331][   T10]      inet6_addr_add+0x30e/0xa40
[  376.756331][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  376.756331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.756331][   T10]      netlink_rcv_skb+0x130/0x360
[  376.756331][   T10]      netlink_unicast+0x449/0x710
[  376.756331][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.756331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.756331][   T10]      ___sys_sendmsg+0xee/0x170
[  376.756331][   T10]      __sys_sendmsg+0xcd/0x170
[  376.756331][   T10]      do_syscall_64+0xc6/0x1e0
[  376.756331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.756331][   T10] 
[  376.758389][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  376.758389][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  376.758389][   T10]      ipv6_find_idev+0x102/0x170
[  376.758389][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.758389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.758389][   T10]      netlink_rcv_skb+0x130/0x360
[  376.758389][   T10]      netlink_unicast+0x449/0x710
[  376.758389][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.758389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.758389][   T10]      ___sys_sendmsg+0xee/0x170
[  376.758389][   T10]      __sys_sendmsg+0xcd/0x170
[  376.758389][   T10]      do_syscall_64+0xc6/0x1e0
[  376.758389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.758389][   T10] 
[  376.760116][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  376.760116][   T10]      neigh_parms_alloc+0x1e5/0x510
[  376.760116][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  376.760116][   T10]      ipv6_find_idev+0x102/0x170
[  376.760116][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  376.760116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  376.760116][   T10]      netlink_rcv_skb+0x130/0x360
[  376.760116][   T10]      netlink_unicast+0x449/0x710
[  376.760116][   T10]      netlink_sendmsg+0x723/0xbe0
[  376.760116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  376.760116][   T10]      ___sys_sendmsg+0xee/0x170
[  376.760116][   T10]      __sys_sendmsg+0xcd/0x170
[  376.760116][   T10]      do_syscall_64+0xc6/0x1e0
[  376.760116][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  376.760116][   T10] 
[  385.087153][ T2792] veth0: renamed from veth1
[  386.904881][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  386.905209][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.905209][   T10]      dst_init+0x84/0x4a0
[  386.905209][   T10]      dst_alloc+0x97/0x150
[  386.905209][   T10]      ip6_dst_alloc+0x23/0x90
[  386.905209][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  386.905209][   T10]      ip6_pol_route+0x56f/0x840
[  386.905209][   T10]      fib6_rule_lookup+0x456/0x630
[  386.905209][   T10]      ip6_route_input+0x59c/0xa50
[  386.905209][   T10]      ipv6_rcv+0x397/0x810
[  386.905209][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  386.905209][   T10]      process_backlog+0x101/0x620
[  386.905209][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  386.905209][   T10]      net_rx_action+0x495/0xbe0
[  386.905209][   T10]      __do_softirq+0x1b5/0x7f6
[  386.905209][   T10] 
[  386.906922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.906922][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  386.906922][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  386.906922][   T10]      fib6_nh_init+0xa22/0x1580
[  386.906922][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.906922][   T10]      ip6_route_add+0x1c/0x140
[  386.906922][   T10]      inet6_rtm_newroute+0x104/0x110
[  386.906922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.906922][   T10]      netlink_rcv_skb+0x130/0x360
[  386.906922][   T10]      netlink_unicast+0x449/0x710
[  386.906922][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.906922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.906922][   T10]      ___sys_sendmsg+0xee/0x170
[  386.906922][   T10]      __sys_sendmsg+0xcd/0x170
[  386.906922][   T10]      do_syscall_64+0xc6/0x1e0
[  386.906922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.906922][   T10] 
[  386.908874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.908874][   T10]      netdev_get_by_index+0x5e/0x80
[  386.908874][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.908874][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.908874][   T10]      addrconf_f6i_alloc+0x265/0x560
[  386.908874][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  386.908874][   T10]      addrconf_join_anycast+0x1c0/0x220
[  386.908874][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  386.908874][   T10]      addrconf_dad_completed+0x12b/0xe20
[  386.908874][   T10]      addrconf_dad_begin+0x310/0x670
[  386.908874][   T10]      addrconf_dad_work+0x10b/0xab0
[  386.908874][   T10]      process_one_work+0x84d/0x18a0
[  386.908874][   T10]      worker_thread+0x587/0xd30
[  386.908874][   T10]      kthread+0x28a/0x350
[  386.908874][   T10]      ret_from_fork+0x31/0x70
[  386.908874][   T10]      ret_from_fork_asm+0x1a/0x30
[  386.908874][   T10] 
[  386.910817][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.910817][   T10]      netdev_get_by_index+0x5e/0x80
[  386.910817][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.910817][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.910817][   T10]      ip6_route_add+0x1c/0x140
[  386.910817][   T10]      addrconf_prefix_route+0x2a6/0x430
[  386.910817][   T10]      inet6_addr_add+0x4f8/0xa40
[  386.910817][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.910817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.910817][   T10]      netlink_rcv_skb+0x130/0x360
[  386.910817][   T10]      netlink_unicast+0x449/0x710
[  386.910817][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.910817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.910817][   T10]      ___sys_sendmsg+0xee/0x170
[  386.910817][   T10]      __sys_sendmsg+0xcd/0x170
[  386.910817][   T10]      do_syscall_64+0xc6/0x1e0
[  386.910817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.910817][   T10] 
[  386.912876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.912876][   T10]      netdev_get_by_index+0x5e/0x80
[  386.912876][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.912876][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.912876][   T10]      addrconf_f6i_alloc+0x315/0x560
[  386.912876][   T10]      ipv6_add_addr+0x411/0x2000
[  386.912876][   T10]      inet6_addr_add+0x30e/0xa40
[  386.912876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.912876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.912876][   T10]      netlink_rcv_skb+0x130/0x360
[  386.912876][   T10]      netlink_unicast+0x449/0x710
[  386.912876][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.912876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.912876][   T10]      ___sys_sendmsg+0xee/0x170
[  386.912876][   T10]      __sys_sendmsg+0xcd/0x170
[  386.912876][   T10]      do_syscall_64+0xc6/0x1e0
[  386.912876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.912876][   T10] 
[  386.914977][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.914977][   T10]      netdev_get_by_index+0x5e/0x80
[  386.914977][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.914977][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.914977][   T10]      ip6_route_add+0x1c/0x140
[  386.914977][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  386.914977][   T10]      addrconf_add_dev+0xe2/0x170
[  386.914977][   T10]      inet6_addr_add+0x12f/0xa40
[  386.914977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.914977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.914977][   T10]      netlink_rcv_skb+0x130/0x360
[  386.914977][   T10]      netlink_unicast+0x449/0x710
[  386.914977][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.914977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.914977][   T10]      ___sys_sendmsg+0xee/0x170
[  386.914977][   T10]      __sys_sendmsg+0xcd/0x170
[  386.914977][   T10]      do_syscall_64+0xc6/0x1e0
[  386.914977][   T10] 
[  386.917038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.917038][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  386.917038][   T10]      ipv6_find_idev+0x102/0x170
[  386.917038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.917038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.917038][   T10]      netlink_rcv_skb+0x130/0x360
[  386.917038][   T10]      netlink_unicast+0x449/0x710
[  386.917038][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.917038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.917038][   T10]      ___sys_sendmsg+0xee/0x170
[  386.917038][   T10]      __sys_sendmsg+0xcd/0x170
[  386.917038][   T10]      do_syscall_64+0xc6/0x1e0
[  386.917038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.917038][   T10] 
[  386.918649][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  386.918649][   T10]      neigh_parms_alloc+0x1e5/0x510
[  386.918649][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  386.918649][   T10]      ipv6_find_idev+0x102/0x170
[  386.918649][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.918649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.918649][   T10]      netlink_rcv_skb+0x130/0x360
[  386.918649][   T10]      netlink_unicast+0x449/0x710
[  386.918649][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.918649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.918649][   T10]      ___sys_sendmsg+0xee/0x170
[  386.918649][   T10]      __sys_sendmsg+0xcd/0x170
[  386.918649][   T10]      do_syscall_64+0xc6/0x1e0
[  386.918649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.918649][   T10] 
[  386.920704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  386.920958][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.920958][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  386.920958][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  386.920958][   T10]      fib6_nh_init+0xa22/0x1580
[  386.920958][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.920958][   T10]      ip6_route_add+0x1c/0x140
[  386.920958][   T10]      inet6_rtm_newroute+0x104/0x110
[  386.920958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.920958][   T10]      netlink_rcv_skb+0x130/0x360
[  386.920958][   T10]      netlink_unicast+0x449/0x710
[  386.920958][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.920958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.920958][   T10]      ___sys_sendmsg+0xee/0x170
[  386.920958][   T10]      __sys_sendmsg+0xcd/0x170
[  386.920958][   T10]      do_syscall_64+0xc6/0x1e0
[  386.920958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.920958][   T10] 
[  386.922912][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.922912][   T10]      dst_init+0x84/0x4a0
[  386.922912][   T10]      dst_alloc+0x97/0x150
[  386.922912][   T10]      ip6_dst_alloc+0x23/0x90
[  386.922912][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  386.922912][   T10]      ip6_pol_route+0x56f/0x840
[  386.922912][   T10]      fib6_rule_lookup+0x456/0x630
[  386.922912][   T10]      ip6_route_input+0x59c/0xa50
[  386.922912][   T10]      ipv6_rcv+0x397/0x810
[  386.922912][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  386.922912][   T10]      process_backlog+0x101/0x620
[  386.922912][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  386.922912][   T10]      net_rx_action+0x495/0xbe0
[  386.922912][   T10]      __do_softirq+0x1b5/0x7f6
[  386.922912][   T10] 
[  386.924615][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.924615][   T10]      netdev_get_by_index+0x5e/0x80
[  386.924615][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.924615][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.924615][   T10]      addrconf_f6i_alloc+0x265/0x560
[  386.924615][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  386.924615][   T10]      addrconf_join_anycast+0x1c0/0x220
[  386.924615][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  386.924615][   T10]      addrconf_dad_completed+0x12b/0xe20
[  386.924615][   T10]      addrconf_dad_begin+0x310/0x670
[  386.924615][   T10]      addrconf_dad_work+0x10b/0xab0
[  386.924615][   T10]      process_one_work+0x84d/0x18a0
[  386.924615][   T10]      worker_thread+0x587/0xd30
[  386.924615][   T10]      kthread+0x28a/0x350
[  386.924615][   T10]      ret_from_fork+0x31/0x70
[  386.924615][   T10]      ret_from_fork_asm+0x1a/0x30
[  386.924615][   T10] 
[  386.926860][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.926860][   T10]      netdev_get_by_index+0x5e/0x80
[  386.926860][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.926860][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.926860][   T10]      ip6_route_add+0x1c/0x140
[  386.926860][   T10]      addrconf_prefix_route+0x2a6/0x430
[  386.926860][   T10]      inet6_addr_add+0x4f8/0xa40
[  386.926860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.926860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.926860][   T10]      netlink_rcv_skb+0x130/0x360
[  386.926860][   T10]      netlink_unicast+0x449/0x710
[  386.926860][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.926860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.926860][   T10]      ___sys_sendmsg+0xee/0x170
[  386.926860][   T10]      __sys_sendmsg+0xcd/0x170
[  386.926860][   T10]      do_syscall_64+0xc6/0x1e0
[  386.926860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.926860][   T10] 
[  386.929106][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.929106][   T10]      netdev_get_by_index+0x5e/0x80
[  386.929106][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.929106][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.929106][   T10]      addrconf_f6i_alloc+0x315/0x560
[  386.929106][   T10]      ipv6_add_addr+0x411/0x2000
[  386.929106][   T10]      inet6_addr_add+0x30e/0xa40
[  386.929106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.929106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.929106][   T10]      netlink_rcv_skb+0x130/0x360
[  386.929106][   T10]      netlink_unicast+0x449/0x710
[  386.929106][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.929106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.929106][   T10]      ___sys_sendmsg+0xee/0x170
[  386.929106][   T10]      __sys_sendmsg+0xcd/0x170
[  386.929106][   T10]      do_syscall_64+0xc6/0x1e0
[  386.929106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.929106][   T10] 
[  386.931406][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.931406][   T10]      netdev_get_by_index+0x5e/0x80
[  386.931406][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.931406][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.931406][   T10]      ip6_route_add+0x1c/0x140
[  386.931406][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  386.931406][   T10]      addrconf_add_dev+0xe2/0x170
[  386.931406][   T10]      inet6_addr_add+0x12f/0xa40
[  386.931406][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.931406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.931406][   T10]      netlink_rcv_skb+0x130/0x360
[  386.931406][   T10]      netlink_unicast+0x449/0x710
[  386.931406][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.931406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.931406][   T10]      ___sys_sendmsg+0xee/0x170
[  386.931406][   T10]      __sys_sendmsg+0xcd/0x170
[  386.931406][   T10]      do_syscall_64+0xc6/0x1e0
[  386.931406][   T10] 
[  386.933666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.933666][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  386.933666][   T10]      ipv6_find_idev+0x102/0x170
[  386.933666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.933666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.933666][   T10]      netlink_rcv_skb+0x130/0x360
[  386.933666][   T10]      netlink_unicast+0x449/0x710
[  386.933666][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.933666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.933666][   T10]      ___sys_sendmsg+0xee/0x170
[  386.933666][   T10]      __sys_sendmsg+0xcd/0x170
[  386.933666][   T10]      do_syscall_64+0xc6/0x1e0
[  386.933666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.933666][   T10] 
[  386.935446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  386.935446][   T10]      neigh_parms_alloc+0x1e5/0x510
[  386.935446][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  386.935446][   T10]      ipv6_find_idev+0x102/0x170
[  386.935446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.935446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.935446][   T10]      netlink_rcv_skb+0x130/0x360
[  386.935446][   T10]      netlink_unicast+0x449/0x710
[  386.935446][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.935446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.935446][   T10]      ___sys_sendmsg+0xee/0x170
[  386.935446][   T10]      __sys_sendmsg+0xcd/0x170
[  386.935446][   T10]      do_syscall_64+0xc6/0x1e0
[  386.935446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.935446][   T10] 
[  386.937368][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  386.937625][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  386.937625][   T10]      netdev_get_by_index+0x5e/0x80
[  386.937625][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.937625][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.937625][   T10]      ip6_route_add+0x1c/0x140
[  386.937625][   T10]      addrconf_prefix_route+0x2a6/0x430
[  386.937625][   T10]      inet6_addr_add+0x4f8/0xa40
[  386.937625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.937625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.937625][   T10]      netlink_rcv_skb+0x130/0x360
[  386.937625][   T10]      netlink_unicast+0x449/0x710
[  386.937625][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.937625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.937625][   T10]      ___sys_sendmsg+0xee/0x170
[  386.937625][   T10]      __sys_sendmsg+0xcd/0x170
[  386.937625][   T10]      do_syscall_64+0xc6/0x1e0
[  386.937625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.937625][   T10] 
[  386.940002][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  386.940002][   T10]      netdev_get_by_index+0x5e/0x80
[  386.940002][   T10]      fib6_nh_init+0x3d8/0x1580
[  386.940002][   T10]      ip6_route_info_create+0xf18/0x17d0
[  386.940002][   T10]      addrconf_f6i_alloc+0x315/0x560
[  386.940002][   T10]      ipv6_add_addr+0x411/0x2000
[  386.940002][   T10]      inet6_addr_add+0x30e/0xa40
[  386.940002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  386.940002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.940002][   T10]      netlink_rcv_skb+0x130/0x360
[  386.940002][   T10]      netlink_unicast+0x449/0x710
[  386.940002][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.940002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.940002][   T10]      ___sys_sendmsg+0xee/0x170
[  386.940002][   T10]      __sys_sendmsg+0xcd/0x170
[  386.940002][   T10]      do_syscall_64+0xc6/0x1e0
[  386.940002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.940002][   T10] 
[  386.942375][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  386.942375][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  386.942375][   T10]      ipv6_find_idev+0x102/0x170
[  386.942375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.942375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.942375][   T10]      netlink_rcv_skb+0x130/0x360
[  386.942375][   T10]      netlink_unicast+0x449/0x710
[  386.942375][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.942375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.942375][   T10]      ___sys_sendmsg+0xee/0x170
[  386.942375][   T10]      __sys_sendmsg+0xcd/0x170
[  386.942375][   T10]      do_syscall_64+0xc6/0x1e0
[  386.942375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.942375][   T10] 
[  386.944164][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  386.944164][   T10]      neigh_parms_alloc+0x1e5/0x510
[  386.944164][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  386.944164][   T10]      ipv6_find_idev+0x102/0x170
[  386.944164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  386.944164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  386.944164][   T10]      netlink_rcv_skb+0x130/0x360
[  386.944164][   T10]      netlink_unicast+0x449/0x710
[  386.944164][   T10]      netlink_sendmsg+0x723/0xbe0
[  386.944164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  386.944164][   T10]      ___sys_sendmsg+0xee/0x170
[  386.944164][   T10]      __sys_sendmsg+0xcd/0x170
[  386.944164][   T10]      do_syscall_64+0xc6/0x1e0
[  386.944164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  386.944164][   T10] 
[  389.073986][ T2818] br0: port 1(vx0) entered blocking state
[  389.074213][ T2818] br0: port 1(vx0) entered disabled state
[  389.074390][ T2818] vx0: entered allmulticast mode
[  389.075617][ T2818] vx0: entered promiscuous mode
[  389.077445][ T2818] br0: port 1(vx0) entered blocking state
[  389.077632][ T2818] br0: port 1(vx0) entered forwarding state
[  394.615217][ T2848] br0: port 1(vx0) entered blocking state
[  394.615479][ T2848] br0: port 1(vx0) entered disabled state
[  394.615675][ T2848] vx0: entered allmulticast mode
[  394.616856][ T2848] vx0: entered promiscuous mode
[  394.618688][ T2848] br0: port 1(vx0) entered blocking state
[  394.618853][ T2848] br0: port 1(vx0) entered forwarding state
[  397.128696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  397.129020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.129020][   T10]      dst_init+0x84/0x4a0
[  397.129020][   T10]      dst_alloc+0x97/0x150
[  397.129020][   T10]      ip6_dst_alloc+0x23/0x90
[  397.129020][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  397.129020][   T10]      ip6_pol_route+0x56f/0x840
[  397.129020][   T10]      fib6_rule_lookup+0x456/0x630
[  397.129020][   T10]      ip6_route_input+0x59c/0xa50
[  397.129020][   T10]      ipv6_rcv+0x397/0x810
[  397.129020][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  397.129020][   T10]      process_backlog+0x101/0x620
[  397.129020][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  397.129020][   T10]      net_rx_action+0x495/0xbe0
[  397.129020][   T10]      __do_softirq+0x1b5/0x7f6
[  397.129020][   T10] 
[  397.130748][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.130748][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  397.130748][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  397.130748][   T10]      fib6_nh_init+0xa22/0x1580
[  397.130748][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.130748][   T10]      ip6_route_add+0x1c/0x140
[  397.130748][   T10]      inet6_rtm_newroute+0x104/0x110
[  397.130748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.130748][   T10]      netlink_rcv_skb+0x130/0x360
[  397.130748][   T10]      netlink_unicast+0x449/0x710
[  397.130748][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.130748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.130748][   T10]      ___sys_sendmsg+0xee/0x170
[  397.130748][   T10]      __sys_sendmsg+0xcd/0x170
[  397.130748][   T10]      do_syscall_64+0xc6/0x1e0
[  397.130748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.130748][   T10] 
[  397.132887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.132887][   T10]      netdev_get_by_index+0x5e/0x80
[  397.132887][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.132887][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.132887][   T10]      addrconf_f6i_alloc+0x265/0x560
[  397.132887][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  397.132887][   T10]      addrconf_join_anycast+0x1c0/0x220
[  397.132887][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  397.132887][   T10]      addrconf_dad_completed+0x12b/0xe20
[  397.132887][   T10]      addrconf_dad_begin+0x310/0x670
[  397.132887][   T10]      addrconf_dad_work+0x10b/0xab0
[  397.132887][   T10]      process_one_work+0x84d/0x18a0
[  397.132887][   T10]      worker_thread+0x587/0xd30
[  397.132887][   T10]      kthread+0x28a/0x350
[  397.132887][   T10]      ret_from_fork+0x31/0x70
[  397.132887][   T10]      ret_from_fork_asm+0x1a/0x30
[  397.132887][   T10] 
[  397.135058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.135058][   T10]      netdev_get_by_index+0x5e/0x80
[  397.135058][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.135058][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.135058][   T10]      ip6_route_add+0x1c/0x140
[  397.135058][   T10]      addrconf_prefix_route+0x2a6/0x430
[  397.135058][   T10]      inet6_addr_add+0x4f8/0xa40
[  397.135058][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.135058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.135058][   T10]      netlink_rcv_skb+0x130/0x360
[  397.135058][   T10]      netlink_unicast+0x449/0x710
[  397.135058][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.135058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.135058][   T10]      ___sys_sendmsg+0xee/0x170
[  397.135058][   T10]      __sys_sendmsg+0xcd/0x170
[  397.135058][   T10]      do_syscall_64+0xc6/0x1e0
[  397.135058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.135058][   T10] 
[  397.137250][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.137250][   T10]      netdev_get_by_index+0x5e/0x80
[  397.137250][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.137250][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.137250][   T10]      addrconf_f6i_alloc+0x315/0x560
[  397.137250][   T10]      ipv6_add_addr+0x411/0x2000
[  397.137250][   T10]      inet6_addr_add+0x30e/0xa40
[  397.137250][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.137250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.137250][   T10]      netlink_rcv_skb+0x130/0x360
[  397.137250][   T10]      netlink_unicast+0x449/0x710
[  397.137250][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.137250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.137250][   T10]      ___sys_sendmsg+0xee/0x170
[  397.137250][   T10]      __sys_sendmsg+0xcd/0x170
[  397.137250][   T10]      do_syscall_64+0xc6/0x1e0
[  397.137250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.137250][   T10] 
[  397.139489][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.139489][   T10]      netdev_get_by_index+0x5e/0x80
[  397.139489][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.139489][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.139489][   T10]      ip6_route_add+0x1c/0x140
[  397.139489][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  397.139489][   T10]      addrconf_add_dev+0xe2/0x170
[  397.139489][   T10]      inet6_addr_add+0x12f/0xa40
[  397.139489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.139489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.139489][   T10]      netlink_rcv_skb+0x130/0x360
[  397.139489][   T10]      netlink_unicast+0x449/0x710
[  397.139489][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.139489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.139489][   T10]      ___sys_sendmsg+0xee/0x170
[  397.139489][   T10]      __sys_sendmsg+0xcd/0x170
[  397.139489][   T10]      do_syscall_64+0xc6/0x1e0
[  397.139489][   T10] 
[  397.141694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.141694][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  397.141694][   T10]      ipv6_find_idev+0x102/0x170
[  397.141694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  397.141694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.141694][   T10]      netlink_rcv_skb+0x130/0x360
[  397.141694][   T10]      netlink_unicast+0x449/0x710
[  397.141694][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.141694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.141694][   T10]      ___sys_sendmsg+0xee/0x170
[  397.141694][   T10]      __sys_sendmsg+0xcd/0x170
[  397.141694][   T10]      do_syscall_64+0xc6/0x1e0
[  397.141694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.141694][   T10] 
[  397.143450][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  397.143450][   T10]      neigh_parms_alloc+0x1e5/0x510
[  397.143450][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  397.143450][   T10]      ipv6_find_idev+0x102/0x170
[  397.143450][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  397.143450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.143450][   T10]      netlink_rcv_skb+0x130/0x360
[  397.143450][   T10]      netlink_unicast+0x449/0x710
[  397.143450][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.143450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.143450][   T10]      ___sys_sendmsg+0xee/0x170
[  397.143450][   T10]      __sys_sendmsg+0xcd/0x170
[  397.143450][   T10]      do_syscall_64+0xc6/0x1e0
[  397.143450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.143450][   T10] 
[  397.145448][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  397.145713][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.145713][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  397.145713][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  397.145713][   T10]      fib6_nh_init+0xa22/0x1580
[  397.145713][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.145713][   T10]      ip6_route_add+0x1c/0x140
[  397.145713][   T10]      inet6_rtm_newroute+0x104/0x110
[  397.145713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.145713][   T10]      netlink_rcv_skb+0x130/0x360
[  397.145713][   T10]      netlink_unicast+0x449/0x710
[  397.145713][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.145713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.145713][   T10]      ___sys_sendmsg+0xee/0x170
[  397.145713][   T10]      __sys_sendmsg+0xcd/0x170
[  397.145713][   T10]      do_syscall_64+0xc6/0x1e0
[  397.145713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.145713][   T10] 
[  397.147898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.147898][   T10]      dst_init+0x84/0x4a0
[  397.147898][   T10]      dst_alloc+0x97/0x150
[  397.147898][   T10]      ip6_dst_alloc+0x23/0x90
[  397.147898][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  397.147898][   T10]      ip6_pol_route+0x56f/0x840
[  397.147898][   T10]      fib6_rule_lookup+0x456/0x630
[  397.147898][   T10]      ip6_route_input+0x59c/0xa50
[  397.147898][   T10]      ipv6_rcv+0x397/0x810
[  397.147898][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  397.147898][   T10]      process_backlog+0x101/0x620
[  397.147898][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  397.147898][   T10]      net_rx_action+0x495/0xbe0
[  397.147898][   T10]      __do_softirq+0x1b5/0x7f6
[  397.147898][   T10] 
[  397.149774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.149774][   T10]      netdev_get_by_index+0x5e/0x80
[  397.149774][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.149774][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.149774][   T10]      addrconf_f6i_alloc+0x265/0x560
[  397.149774][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  397.149774][   T10]      addrconf_join_anycast+0x1c0/0x220
[  397.149774][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  397.149774][   T10]      addrconf_dad_completed+0x12b/0xe20
[  397.149774][   T10]      addrconf_dad_begin+0x310/0x670
[  397.149774][   T10]      addrconf_dad_work+0x10b/0xab0
[  397.149774][   T10]      process_one_work+0x84d/0x18a0
[  397.149774][   T10]      worker_thread+0x587/0xd30
[  397.149774][   T10]      kthread+0x28a/0x350
[  397.149774][   T10]      ret_from_fork+0x31/0x70
[  397.149774][   T10]      ret_from_fork_asm+0x1a/0x30
[  397.149774][   T10] 
[  397.152042][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.152042][   T10]      netdev_get_by_index+0x5e/0x80
[  397.152042][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.152042][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.152042][   T10]      ip6_route_add+0x1c/0x140
[  397.152042][   T10]      addrconf_prefix_route+0x2a6/0x430
[  397.152042][   T10]      inet6_addr_add+0x4f8/0xa40
[  397.152042][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.152042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.152042][   T10]      netlink_rcv_skb+0x130/0x360
[  397.152042][   T10]      netlink_unicast+0x449/0x710
[  397.152042][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.152042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.152042][   T10]      ___sys_sendmsg+0xee/0x170
[  397.152042][   T10]      __sys_sendmsg+0xcd/0x170
[  397.152042][   T10]      do_syscall_64+0xc6/0x1e0
[  397.152042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.152042][   T10] 
[  397.154364][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.154364][   T10]      netdev_get_by_index+0x5e/0x80
[  397.154364][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.154364][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.154364][   T10]      addrconf_f6i_alloc+0x315/0x560
[  397.154364][   T10]      ipv6_add_addr+0x411/0x2000
[  397.154364][   T10]      inet6_addr_add+0x30e/0xa40
[  397.154364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.154364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.154364][   T10]      netlink_rcv_skb+0x130/0x360
[  397.154364][   T10]      netlink_unicast+0x449/0x710
[  397.154364][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.154364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.154364][   T10]      ___sys_sendmsg+0xee/0x170
[  397.154364][   T10]      __sys_sendmsg+0xcd/0x170
[  397.154364][   T10]      do_syscall_64+0xc6/0x1e0
[  397.154364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.154364][   T10] 
[  397.156610][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.156610][   T10]      netdev_get_by_index+0x5e/0x80
[  397.156610][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.156610][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.156610][   T10]      ip6_route_add+0x1c/0x140
[  397.156610][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  397.156610][   T10]      addrconf_add_dev+0xe2/0x170
[  397.156610][   T10]      inet6_addr_add+0x12f/0xa40
[  397.156610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.156610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.156610][   T10]      netlink_rcv_skb+0x130/0x360
[  397.156610][   T10]      netlink_unicast+0x449/0x710
[  397.156610][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.156610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.156610][   T10]      ___sys_sendmsg+0xee/0x170
[  397.156610][   T10]      __sys_sendmsg+0xcd/0x170
[  397.156610][   T10]      do_syscall_64+0xc6/0x1e0
[  397.156610][   T10] 
[  397.158879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.158879][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  397.158879][   T10]      ipv6_find_idev+0x102/0x170
[  397.158879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  397.158879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.158879][   T10]      netlink_rcv_skb+0x130/0x360
[  397.158879][   T10]      netlink_unicast+0x449/0x710
[  397.158879][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.158879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.158879][   T10]      ___sys_sendmsg+0xee/0x170
[  397.158879][   T10]      __sys_sendmsg+0xcd/0x170
[  397.158879][   T10]      do_syscall_64+0xc6/0x1e0
[  397.158879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.158879][   T10] 
[  397.160648][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  397.160648][   T10]      neigh_parms_alloc+0x1e5/0x510
[  397.160648][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  397.160648][   T10]      ipv6_find_idev+0x102/0x170
[  397.160648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  397.160648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.160648][   T10]      netlink_rcv_skb+0x130/0x360
[  397.160648][   T10]      netlink_unicast+0x449/0x710
[  397.160648][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.160648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.160648][   T10]      ___sys_sendmsg+0xee/0x170
[  397.160648][   T10]      __sys_sendmsg+0xcd/0x170
[  397.160648][   T10]      do_syscall_64+0xc6/0x1e0
[  397.160648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.160648][   T10] 
[  397.162558][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  397.162879][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  397.162879][   T10]      netdev_get_by_index+0x5e/0x80
[  397.162879][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.162879][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.162879][   T10]      ip6_route_add+0x1c/0x140
[  397.162879][   T10]      addrconf_prefix_route+0x2a6/0x430
[  397.162879][   T10]      inet6_addr_add+0x4f8/0xa40
[  397.162879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.162879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.162879][   T10]      netlink_rcv_skb+0x130/0x360
[  397.162879][   T10]      netlink_unicast+0x449/0x710
[  397.162879][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.162879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.162879][   T10]      ___sys_sendmsg+0xee/0x170
[  397.162879][   T10]      __sys_sendmsg+0xcd/0x170
[  397.162879][   T10]      do_syscall_64+0xc6/0x1e0
[  397.162879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.162879][   T10] 
[  397.165084][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  397.165084][   T10]      netdev_get_by_index+0x5e/0x80
[  397.165084][   T10]      fib6_nh_init+0x3d8/0x1580
[  397.165084][   T10]      ip6_route_info_create+0xf18/0x17d0
[  397.165084][   T10]      addrconf_f6i_alloc+0x315/0x560
[  397.165084][   T10]      ipv6_add_addr+0x411/0x2000
[  397.165084][   T10]      inet6_addr_add+0x30e/0xa40
[  397.165084][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  397.165084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.165084][   T10]      netlink_rcv_skb+0x130/0x360
[  397.165084][   T10]      netlink_unicast+0x449/0x710
[  397.165084][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.165084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.165084][   T10]      ___sys_sendmsg+0xee/0x170
[  397.165084][   T10]      __sys_sendmsg+0xcd/0x170
[  397.165084][   T10]      do_syscall_64+0xc6/0x1e0
[  397.165084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.165084][   T10] 
[  397.167349][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  397.167349][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  397.167349][   T10]      ipv6_find_idev+0x102/0x170
[  397.167349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  397.167349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.167349][   T10]      netlink_rcv_skb+0x130/0x360
[  397.167349][   T10]      netlink_unicast+0x449/0x710
[  397.167349][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.167349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.167349][   T10]      ___sys_sendmsg+0xee/0x170
[  397.167349][   T10]      __sys_sendmsg+0xcd/0x170
[  397.167349][   T10]      do_syscall_64+0xc6/0x1e0
[  397.167349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.167349][   T10] 
[  397.168930][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  397.168930][   T10]      neigh_parms_alloc+0x1e5/0x510
[  397.168930][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  397.168930][   T10]      ipv6_find_idev+0x102/0x170
[  397.168930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  397.168930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  397.168930][   T10]      netlink_rcv_skb+0x130/0x360
[  397.168930][   T10]      netlink_unicast+0x449/0x710
[  397.168930][   T10]      netlink_sendmsg+0x723/0xbe0
[  397.168930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  397.168930][   T10]      ___sys_sendmsg+0xee/0x170
[  397.168930][   T10]      __sys_sendmsg+0xcd/0x170
[  397.168930][   T10]      do_syscall_64+0xc6/0x1e0
[  397.168930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  397.168930][   T10] 
[  398.581002][ T2879] veth0: renamed from veth1
[  402.544808][ T2906] br0: port 1(vx0) entered blocking state
[  402.545063][ T2906] br0: port 1(vx0) entered disabled state
[  402.545236][ T2906] vx0: entered allmulticast mode
[  402.547523][ T2906] vx0: entered promiscuous mode
[  402.549320][ T2906] br0: port 1(vx0) entered blocking state
[  402.549479][ T2906] br0: port 1(vx0) entered forwarding state
[  407.304609][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  407.304973][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.304973][   T10]      dst_init+0x84/0x4a0
[  407.304973][   T10]      dst_alloc+0x97/0x150
[  407.304973][   T10]      ip6_dst_alloc+0x23/0x90
[  407.304973][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  407.304973][   T10]      ip6_pol_route+0x56f/0x840
[  407.304973][   T10]      fib6_rule_lookup+0x456/0x630
[  407.304973][   T10]      ip6_route_input+0x59c/0xa50
[  407.304973][   T10]      ipv6_rcv+0x397/0x810
[  407.304973][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  407.304973][   T10]      process_backlog+0x101/0x620
[  407.304973][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  407.304973][   T10]      net_rx_action+0x495/0xbe0
[  407.304973][   T10]      __do_softirq+0x1b5/0x7f6
[  407.304973][   T10] 
[  407.306724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.306724][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  407.306724][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  407.306724][   T10]      fib6_nh_init+0xa22/0x1580
[  407.306724][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.306724][   T10]      ip6_route_add+0x1c/0x140
[  407.306724][   T10]      inet6_rtm_newroute+0x104/0x110
[  407.306724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.306724][   T10]      netlink_rcv_skb+0x130/0x360
[  407.306724][   T10]      netlink_unicast+0x449/0x710
[  407.306724][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.306724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.306724][   T10]      ___sys_sendmsg+0xee/0x170
[  407.306724][   T10]      __sys_sendmsg+0xcd/0x170
[  407.306724][   T10]      do_syscall_64+0xc6/0x1e0
[  407.306724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.306724][   T10] 
[  407.308664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.308664][   T10]      netdev_get_by_index+0x5e/0x80
[  407.308664][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.308664][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.308664][   T10]      addrconf_f6i_alloc+0x265/0x560
[  407.308664][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  407.308664][   T10]      addrconf_join_anycast+0x1c0/0x220
[  407.308664][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  407.308664][   T10]      addrconf_dad_completed+0x12b/0xe20
[  407.308664][   T10]      addrconf_dad_begin+0x310/0x670
[  407.308664][   T10]      addrconf_dad_work+0x10b/0xab0
[  407.308664][   T10]      process_one_work+0x84d/0x18a0
[  407.308664][   T10]      worker_thread+0x587/0xd30
[  407.308664][   T10]      kthread+0x28a/0x350
[  407.308664][   T10]      ret_from_fork+0x31/0x70
[  407.308664][   T10]      ret_from_fork_asm+0x1a/0x30
[  407.308664][   T10] 
[  407.310597][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.310597][   T10]      netdev_get_by_index+0x5e/0x80
[  407.310597][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.310597][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.310597][   T10]      ip6_route_add+0x1c/0x140
[  407.310597][   T10]      addrconf_prefix_route+0x2a6/0x430
[  407.310597][   T10]      inet6_addr_add+0x4f8/0xa40
[  407.310597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.310597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.310597][   T10]      netlink_rcv_skb+0x130/0x360
[  407.310597][   T10]      netlink_unicast+0x449/0x710
[  407.310597][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.310597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.310597][   T10]      ___sys_sendmsg+0xee/0x170
[  407.310597][   T10]      __sys_sendmsg+0xcd/0x170
[  407.310597][   T10]      do_syscall_64+0xc6/0x1e0
[  407.310597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.310597][   T10] 
[  407.312616][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.312616][   T10]      netdev_get_by_index+0x5e/0x80
[  407.312616][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.312616][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.312616][   T10]      addrconf_f6i_alloc+0x315/0x560
[  407.312616][   T10]      ipv6_add_addr+0x411/0x2000
[  407.312616][   T10]      inet6_addr_add+0x30e/0xa40
[  407.312616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.312616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.312616][   T10]      netlink_rcv_skb+0x130/0x360
[  407.312616][   T10]      netlink_unicast+0x449/0x710
[  407.312616][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.312616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.312616][   T10]      ___sys_sendmsg+0xee/0x170
[  407.312616][   T10]      __sys_sendmsg+0xcd/0x170
[  407.312616][   T10]      do_syscall_64+0xc6/0x1e0
[  407.312616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.312616][   T10] 
[  407.314657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.314657][   T10]      netdev_get_by_index+0x5e/0x80
[  407.314657][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.314657][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.314657][   T10]      ip6_route_add+0x1c/0x140
[  407.314657][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  407.314657][   T10]      addrconf_add_dev+0xe2/0x170
[  407.314657][   T10]      inet6_addr_add+0x12f/0xa40
[  407.314657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.314657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.314657][   T10]      netlink_rcv_skb+0x130/0x360
[  407.314657][   T10]      netlink_unicast+0x449/0x710
[  407.314657][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.314657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.314657][   T10]      ___sys_sendmsg+0xee/0x170
[  407.314657][   T10]      __sys_sendmsg+0xcd/0x170
[  407.314657][   T10]      do_syscall_64+0xc6/0x1e0
[  407.314657][   T10] 
[  407.316642][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.316642][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  407.316642][   T10]      ipv6_find_idev+0x102/0x170
[  407.316642][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  407.316642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.316642][   T10]      netlink_rcv_skb+0x130/0x360
[  407.316642][   T10]      netlink_unicast+0x449/0x710
[  407.316642][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.316642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.316642][   T10]      ___sys_sendmsg+0xee/0x170
[  407.316642][   T10]      __sys_sendmsg+0xcd/0x170
[  407.316642][   T10]      do_syscall_64+0xc6/0x1e0
[  407.316642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.316642][   T10] 
[  407.318196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  407.318196][   T10]      neigh_parms_alloc+0x1e5/0x510
[  407.318196][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  407.318196][   T10]      ipv6_find_idev+0x102/0x170
[  407.318196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  407.318196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.318196][   T10]      netlink_rcv_skb+0x130/0x360
[  407.318196][   T10]      netlink_unicast+0x449/0x710
[  407.318196][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.318196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.318196][   T10]      ___sys_sendmsg+0xee/0x170
[  407.318196][   T10]      __sys_sendmsg+0xcd/0x170
[  407.318196][   T10]      do_syscall_64+0xc6/0x1e0
[  407.318196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.318196][   T10] 
[  407.320064][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  407.320321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.320321][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  407.320321][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  407.320321][   T10]      fib6_nh_init+0xa22/0x1580
[  407.320321][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.320321][   T10]      ip6_route_add+0x1c/0x140
[  407.320321][   T10]      inet6_rtm_newroute+0x104/0x110
[  407.320321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.320321][   T10]      netlink_rcv_skb+0x130/0x360
[  407.320321][   T10]      netlink_unicast+0x449/0x710
[  407.320321][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.320321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.320321][   T10]      ___sys_sendmsg+0xee/0x170
[  407.320321][   T10]      __sys_sendmsg+0xcd/0x170
[  407.320321][   T10]      do_syscall_64+0xc6/0x1e0
[  407.320321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.320321][   T10] 
[  407.322210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.322210][   T10]      dst_init+0x84/0x4a0
[  407.322210][   T10]      dst_alloc+0x97/0x150
[  407.322210][   T10]      ip6_dst_alloc+0x23/0x90
[  407.322210][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  407.322210][   T10]      ip6_pol_route+0x56f/0x840
[  407.322210][   T10]      fib6_rule_lookup+0x456/0x630
[  407.322210][   T10]      ip6_route_input+0x59c/0xa50
[  407.322210][   T10]      ipv6_rcv+0x397/0x810
[  407.322210][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  407.322210][   T10]      process_backlog+0x101/0x620
[  407.322210][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  407.322210][   T10]      net_rx_action+0x495/0xbe0
[  407.322210][   T10]      __do_softirq+0x1b5/0x7f6
[  407.322210][   T10] 
[  407.323878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.323878][   T10]      netdev_get_by_index+0x5e/0x80
[  407.323878][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.323878][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.323878][   T10]      addrconf_f6i_alloc+0x265/0x560
[  407.323878][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  407.323878][   T10]      addrconf_join_anycast+0x1c0/0x220
[  407.323878][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  407.323878][   T10]      addrconf_dad_completed+0x12b/0xe20
[  407.323878][   T10]      addrconf_dad_begin+0x310/0x670
[  407.323878][   T10]      addrconf_dad_work+0x10b/0xab0
[  407.323878][   T10]      process_one_work+0x84d/0x18a0
[  407.323878][   T10]      worker_thread+0x587/0xd30
[  407.323878][   T10]      kthread+0x28a/0x350
[  407.323878][   T10]      ret_from_fork+0x31/0x70
[  407.323878][   T10]      ret_from_fork_asm+0x1a/0x30
[  407.323878][   T10] 
[  407.325878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.325878][   T10]      netdev_get_by_index+0x5e/0x80
[  407.325878][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.325878][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.325878][   T10]      ip6_route_add+0x1c/0x140
[  407.325878][   T10]      addrconf_prefix_route+0x2a6/0x430
[  407.325878][   T10]      inet6_addr_add+0x4f8/0xa40
[  407.325878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.325878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.325878][   T10]      netlink_rcv_skb+0x130/0x360
[  407.325878][   T10]      netlink_unicast+0x449/0x710
[  407.325878][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.325878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.325878][   T10]      ___sys_sendmsg+0xee/0x170
[  407.325878][   T10]      __sys_sendmsg+0xcd/0x170
[  407.325878][   T10]      do_syscall_64+0xc6/0x1e0
[  407.325878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.325878][   T10] 
[  407.328148][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.328148][   T10]      netdev_get_by_index+0x5e/0x80
[  407.328148][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.328148][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.328148][   T10]      addrconf_f6i_alloc+0x315/0x560
[  407.328148][   T10]      ipv6_add_addr+0x411/0x2000
[  407.328148][   T10]      inet6_addr_add+0x30e/0xa40
[  407.328148][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.328148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.328148][   T10]      netlink_rcv_skb+0x130/0x360
[  407.328148][   T10]      netlink_unicast+0x449/0x710
[  407.328148][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.328148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.328148][   T10]      ___sys_sendmsg+0xee/0x170
[  407.328148][   T10]      __sys_sendmsg+0xcd/0x170
[  407.328148][   T10]      do_syscall_64+0xc6/0x1e0
[  407.328148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.328148][   T10] 
[  407.330480][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.330480][   T10]      netdev_get_by_index+0x5e/0x80
[  407.330480][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.330480][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.330480][   T10]      ip6_route_add+0x1c/0x140
[  407.330480][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  407.330480][   T10]      addrconf_add_dev+0xe2/0x170
[  407.330480][   T10]      inet6_addr_add+0x12f/0xa40
[  407.330480][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.330480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.330480][   T10]      netlink_rcv_skb+0x130/0x360
[  407.330480][   T10]      netlink_unicast+0x449/0x710
[  407.330480][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.330480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.330480][   T10]      ___sys_sendmsg+0xee/0x170
[  407.330480][   T10]      __sys_sendmsg+0xcd/0x170
[  407.330480][   T10]      do_syscall_64+0xc6/0x1e0
[  407.330480][   T10] 
[  407.332653][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.332653][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  407.332653][   T10]      ipv6_find_idev+0x102/0x170
[  407.332653][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  407.332653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.332653][   T10]      netlink_rcv_skb+0x130/0x360
[  407.332653][   T10]      netlink_unicast+0x449/0x710
[  407.332653][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.332653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.332653][   T10]      ___sys_sendmsg+0xee/0x170
[  407.332653][   T10]      __sys_sendmsg+0xcd/0x170
[  407.332653][   T10]      do_syscall_64+0xc6/0x1e0
[  407.332653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.332653][   T10] 
[  407.334411][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  407.334411][   T10]      neigh_parms_alloc+0x1e5/0x510
[  407.334411][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  407.334411][   T10]      ipv6_find_idev+0x102/0x170
[  407.334411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  407.334411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.334411][   T10]      netlink_rcv_skb+0x130/0x360
[  407.334411][   T10]      netlink_unicast+0x449/0x710
[  407.334411][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.334411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.334411][   T10]      ___sys_sendmsg+0xee/0x170
[  407.334411][   T10]      __sys_sendmsg+0xcd/0x170
[  407.334411][   T10]      do_syscall_64+0xc6/0x1e0
[  407.334411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.334411][   T10] 
[  407.336384][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  407.336769][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  407.336769][   T10]      netdev_get_by_index+0x5e/0x80
[  407.336769][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.336769][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.336769][   T10]      ip6_route_add+0x1c/0x140
[  407.336769][   T10]      addrconf_prefix_route+0x2a6/0x430
[  407.336769][   T10]      inet6_addr_add+0x4f8/0xa40
[  407.336769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.336769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.336769][   T10]      netlink_rcv_skb+0x130/0x360
[  407.336769][   T10]      netlink_unicast+0x449/0x710
[  407.336769][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.336769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.336769][   T10]      ___sys_sendmsg+0xee/0x170
[  407.336769][   T10]      __sys_sendmsg+0xcd/0x170
[  407.336769][   T10]      do_syscall_64+0xc6/0x1e0
[  407.336769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.336769][   T10] 
[  407.338809][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  407.338809][   T10]      netdev_get_by_index+0x5e/0x80
[  407.338809][   T10]      fib6_nh_init+0x3d8/0x1580
[  407.338809][   T10]      ip6_route_info_create+0xf18/0x17d0
[  407.338809][   T10]      addrconf_f6i_alloc+0x315/0x560
[  407.338809][   T10]      ipv6_add_addr+0x411/0x2000
[  407.338809][   T10]      inet6_addr_add+0x30e/0xa40
[  407.338809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  407.338809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.338809][   T10]      netlink_rcv_skb+0x130/0x360
[  407.338809][   T10]      netlink_unicast+0x449/0x710
[  407.338809][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.338809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.338809][   T10]      ___sys_sendmsg+0xee/0x170
[  407.338809][   T10]      __sys_sendmsg+0xcd/0x170
[  407.338809][   T10]      do_syscall_64+0xc6/0x1e0
[  407.338809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.338809][   T10] 
[  407.340881][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  407.340881][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  407.340881][   T10]      ipv6_find_idev+0x102/0x170
[  407.340881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  407.340881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.340881][   T10]      netlink_rcv_skb+0x130/0x360
[  407.340881][   T10]      netlink_unicast+0x449/0x710
[  407.340881][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.340881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.340881][   T10]      ___sys_sendmsg+0xee/0x170
[  407.340881][   T10]      __sys_sendmsg+0xcd/0x170
[  407.340881][   T10]      do_syscall_64+0xc6/0x1e0
[  407.340881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.340881][   T10] 
[  407.342610][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  407.342610][   T10]      neigh_parms_alloc+0x1e5/0x510
[  407.342610][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  407.342610][   T10]      ipv6_find_idev+0x102/0x170
[  407.342610][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  407.342610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  407.342610][   T10]      netlink_rcv_skb+0x130/0x360
[  407.342610][   T10]      netlink_unicast+0x449/0x710
[  407.342610][   T10]      netlink_sendmsg+0x723/0xbe0
[  407.342610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  407.342610][   T10]      ___sys_sendmsg+0xee/0x170
[  407.342610][   T10]      __sys_sendmsg+0xcd/0x170
[  407.342610][   T10]      do_syscall_64+0xc6/0x1e0
[  407.342610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  407.342610][   T10] 
[  408.029831][ T2936] br0: port 1(vx0) entered blocking state
[  408.030033][ T2936] br0: port 1(vx0) entered disabled state
[  408.030205][ T2936] vx0: entered allmulticast mode
[  408.031400][ T2936] vx0: entered promiscuous mode
[  408.033231][ T2936] br0: port 1(vx0) entered blocking state
[  408.033391][ T2936] br0: port 1(vx0) entered forwarding state
[  417.577628][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  417.578039][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.578039][   T10]      dst_init+0x84/0x4a0
[  417.578039][   T10]      dst_alloc+0x97/0x150
[  417.578039][   T10]      ip6_dst_alloc+0x23/0x90
[  417.578039][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  417.578039][   T10]      ip6_pol_route+0x56f/0x840
[  417.578039][   T10]      fib6_rule_lookup+0x456/0x630
[  417.578039][   T10]      ip6_route_input+0x59c/0xa50
[  417.578039][   T10]      ipv6_rcv+0x397/0x810
[  417.578039][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  417.578039][   T10]      process_backlog+0x101/0x620
[  417.578039][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  417.578039][   T10]      net_rx_action+0x495/0xbe0
[  417.578039][   T10]      __do_softirq+0x1b5/0x7f6
[  417.578039][   T10] 
[  417.579732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.579732][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  417.579732][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  417.579732][   T10]      fib6_nh_init+0xa22/0x1580
[  417.579732][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.579732][   T10]      ip6_route_add+0x1c/0x140
[  417.579732][   T10]      inet6_rtm_newroute+0x104/0x110
[  417.579732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.579732][   T10]      netlink_rcv_skb+0x130/0x360
[  417.579732][   T10]      netlink_unicast+0x449/0x710
[  417.579732][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.579732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.579732][   T10]      ___sys_sendmsg+0xee/0x170
[  417.579732][   T10]      __sys_sendmsg+0xcd/0x170
[  417.579732][   T10]      do_syscall_64+0xc6/0x1e0
[  417.579732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.579732][   T10] 
[  417.581690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.581690][   T10]      netdev_get_by_index+0x5e/0x80
[  417.581690][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.581690][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.581690][   T10]      addrconf_f6i_alloc+0x265/0x560
[  417.581690][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  417.581690][   T10]      addrconf_join_anycast+0x1c0/0x220
[  417.581690][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  417.581690][   T10]      addrconf_dad_completed+0x12b/0xe20
[  417.581690][   T10]      addrconf_dad_begin+0x310/0x670
[  417.581690][   T10]      addrconf_dad_work+0x10b/0xab0
[  417.581690][   T10]      process_one_work+0x84d/0x18a0
[  417.581690][   T10]      worker_thread+0x587/0xd30
[  417.581690][   T10]      kthread+0x28a/0x350
[  417.581690][   T10]      ret_from_fork+0x31/0x70
[  417.581690][   T10]      ret_from_fork_asm+0x1a/0x30
[  417.581690][   T10] 
[  417.583641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.583641][   T10]      netdev_get_by_index+0x5e/0x80
[  417.583641][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.583641][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.583641][   T10]      ip6_route_add+0x1c/0x140
[  417.583641][   T10]      addrconf_prefix_route+0x2a6/0x430
[  417.583641][   T10]      inet6_addr_add+0x4f8/0xa40
[  417.583641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.583641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.583641][   T10]      netlink_rcv_skb+0x130/0x360
[  417.583641][   T10]      netlink_unicast+0x449/0x710
[  417.583641][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.583641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.583641][   T10]      ___sys_sendmsg+0xee/0x170
[  417.583641][   T10]      __sys_sendmsg+0xcd/0x170
[  417.583641][   T10]      do_syscall_64+0xc6/0x1e0
[  417.583641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.583641][   T10] 
[  417.585654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.585654][   T10]      netdev_get_by_index+0x5e/0x80
[  417.585654][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.585654][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.585654][   T10]      addrconf_f6i_alloc+0x315/0x560
[  417.585654][   T10]      ipv6_add_addr+0x411/0x2000
[  417.585654][   T10]      inet6_addr_add+0x30e/0xa40
[  417.585654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.585654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.585654][   T10]      netlink_rcv_skb+0x130/0x360
[  417.585654][   T10]      netlink_unicast+0x449/0x710
[  417.585654][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.585654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.585654][   T10]      ___sys_sendmsg+0xee/0x170
[  417.585654][   T10]      __sys_sendmsg+0xcd/0x170
[  417.585654][   T10]      do_syscall_64+0xc6/0x1e0
[  417.585654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.585654][   T10] 
[  417.587690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.587690][   T10]      netdev_get_by_index+0x5e/0x80
[  417.587690][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.587690][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.587690][   T10]      ip6_route_add+0x1c/0x140
[  417.587690][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  417.587690][   T10]      addrconf_add_dev+0xe2/0x170
[  417.587690][   T10]      inet6_addr_add+0x12f/0xa40
[  417.587690][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.587690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.587690][   T10]      netlink_rcv_skb+0x130/0x360
[  417.587690][   T10]      netlink_unicast+0x449/0x710
[  417.587690][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.587690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.587690][   T10]      ___sys_sendmsg+0xee/0x170
[  417.587690][   T10]      __sys_sendmsg+0xcd/0x170
[  417.587690][   T10]      do_syscall_64+0xc6/0x1e0
[  417.587690][   T10] 
[  417.589706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.589706][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  417.589706][   T10]      ipv6_find_idev+0x102/0x170
[  417.589706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.589706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.589706][   T10]      netlink_rcv_skb+0x130/0x360
[  417.589706][   T10]      netlink_unicast+0x449/0x710
[  417.589706][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.589706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.589706][   T10]      ___sys_sendmsg+0xee/0x170
[  417.589706][   T10]      __sys_sendmsg+0xcd/0x170
[  417.589706][   T10]      do_syscall_64+0xc6/0x1e0
[  417.589706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.589706][   T10] 
[  417.591266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  417.591266][   T10]      neigh_parms_alloc+0x1e5/0x510
[  417.591266][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  417.591266][   T10]      ipv6_find_idev+0x102/0x170
[  417.591266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.591266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.591266][   T10]      netlink_rcv_skb+0x130/0x360
[  417.591266][   T10]      netlink_unicast+0x449/0x710
[  417.591266][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.591266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.591266][   T10]      ___sys_sendmsg+0xee/0x170
[  417.591266][   T10]      __sys_sendmsg+0xcd/0x170
[  417.591266][   T10]      do_syscall_64+0xc6/0x1e0
[  417.591266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.591266][   T10] 
[  417.593357][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  417.593608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.593608][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  417.593608][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  417.593608][   T10]      fib6_nh_init+0xa22/0x1580
[  417.593608][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.593608][   T10]      ip6_route_add+0x1c/0x140
[  417.593608][   T10]      inet6_rtm_newroute+0x104/0x110
[  417.593608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.593608][   T10]      netlink_rcv_skb+0x130/0x360
[  417.593608][   T10]      netlink_unicast+0x449/0x710
[  417.593608][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.593608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.593608][   T10]      ___sys_sendmsg+0xee/0x170
[  417.593608][   T10]      __sys_sendmsg+0xcd/0x170
[  417.593608][   T10]      do_syscall_64+0xc6/0x1e0
[  417.593608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.593608][   T10] 
[  417.595727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.595727][   T10]      dst_init+0x84/0x4a0
[  417.595727][   T10]      dst_alloc+0x97/0x150
[  417.595727][   T10]      ip6_dst_alloc+0x23/0x90
[  417.595727][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  417.595727][   T10]      ip6_pol_route+0x56f/0x840
[  417.595727][   T10]      fib6_rule_lookup+0x456/0x630
[  417.595727][   T10]      ip6_route_input+0x59c/0xa50
[  417.595727][   T10]      ipv6_rcv+0x397/0x810
[  417.595727][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  417.595727][   T10]      process_backlog+0x101/0x620
[  417.595727][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  417.595727][   T10]      net_rx_action+0x495/0xbe0
[  417.595727][   T10]      __do_softirq+0x1b5/0x7f6
[  417.595727][   T10] 
[  417.597528][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.597528][   T10]      netdev_get_by_index+0x5e/0x80
[  417.597528][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.597528][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.597528][   T10]      addrconf_f6i_alloc+0x265/0x560
[  417.597528][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  417.597528][   T10]      addrconf_join_anycast+0x1c0/0x220
[  417.597528][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  417.597528][   T10]      addrconf_dad_completed+0x12b/0xe20
[  417.597528][   T10]      addrconf_dad_begin+0x310/0x670
[  417.597528][   T10]      addrconf_dad_work+0x10b/0xab0
[  417.597528][   T10]      process_one_work+0x84d/0x18a0
[  417.597528][   T10]      worker_thread+0x587/0xd30
[  417.597528][   T10]      kthread+0x28a/0x350
[  417.597528][   T10]      ret_from_fork+0x31/0x70
[  417.597528][   T10]      ret_from_fork_asm+0x1a/0x30
[  417.597528][   T10] 
[  417.599702][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.599702][   T10]      netdev_get_by_index+0x5e/0x80
[  417.599702][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.599702][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.599702][   T10]      ip6_route_add+0x1c/0x140
[  417.599702][   T10]      addrconf_prefix_route+0x2a6/0x430
[  417.599702][   T10]      inet6_addr_add+0x4f8/0xa40
[  417.599702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.599702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.599702][   T10]      netlink_rcv_skb+0x130/0x360
[  417.599702][   T10]      netlink_unicast+0x449/0x710
[  417.599702][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.599702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.599702][   T10]      ___sys_sendmsg+0xee/0x170
[  417.599702][   T10]      __sys_sendmsg+0xcd/0x170
[  417.599702][   T10]      do_syscall_64+0xc6/0x1e0
[  417.599702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.599702][   T10] 
[  417.601929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.601929][   T10]      netdev_get_by_index+0x5e/0x80
[  417.601929][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.601929][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.601929][   T10]      addrconf_f6i_alloc+0x315/0x560
[  417.601929][   T10]      ipv6_add_addr+0x411/0x2000
[  417.601929][   T10]      inet6_addr_add+0x30e/0xa40
[  417.601929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.601929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.601929][   T10]      netlink_rcv_skb+0x130/0x360
[  417.601929][   T10]      netlink_unicast+0x449/0x710
[  417.601929][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.601929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.601929][   T10]      ___sys_sendmsg+0xee/0x170
[  417.601929][   T10]      __sys_sendmsg+0xcd/0x170
[  417.601929][   T10]      do_syscall_64+0xc6/0x1e0
[  417.601929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.601929][   T10] 
[  417.604233][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.604233][   T10]      netdev_get_by_index+0x5e/0x80
[  417.604233][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.604233][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.604233][   T10]      ip6_route_add+0x1c/0x140
[  417.604233][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  417.604233][   T10]      addrconf_add_dev+0xe2/0x170
[  417.604233][   T10]      inet6_addr_add+0x12f/0xa40
[  417.604233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.604233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.604233][   T10]      netlink_rcv_skb+0x130/0x360
[  417.604233][   T10]      netlink_unicast+0x449/0x710
[  417.604233][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.604233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.604233][   T10]      ___sys_sendmsg+0xee/0x170
[  417.604233][   T10]      __sys_sendmsg+0xcd/0x170
[  417.604233][   T10]      do_syscall_64+0xc6/0x1e0
[  417.604233][   T10] 
[  417.606462][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.606462][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  417.606462][   T10]      ipv6_find_idev+0x102/0x170
[  417.606462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.606462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.606462][   T10]      netlink_rcv_skb+0x130/0x360
[  417.606462][   T10]      netlink_unicast+0x449/0x710
[  417.606462][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.606462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.606462][   T10]      ___sys_sendmsg+0xee/0x170
[  417.606462][   T10]      __sys_sendmsg+0xcd/0x170
[  417.606462][   T10]      do_syscall_64+0xc6/0x1e0
[  417.606462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.606462][   T10] 
[  417.608235][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  417.608235][   T10]      neigh_parms_alloc+0x1e5/0x510
[  417.608235][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  417.608235][   T10]      ipv6_find_idev+0x102/0x170
[  417.608235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.608235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.608235][   T10]      netlink_rcv_skb+0x130/0x360
[  417.608235][   T10]      netlink_unicast+0x449/0x710
[  417.608235][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.608235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.608235][   T10]      ___sys_sendmsg+0xee/0x170
[  417.608235][   T10]      __sys_sendmsg+0xcd/0x170
[  417.608235][   T10]      do_syscall_64+0xc6/0x1e0
[  417.608235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.608235][   T10] 
[  417.610125][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  417.610370][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  417.610370][   T10]      netdev_get_by_index+0x5e/0x80
[  417.610370][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.610370][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.610370][   T10]      ip6_route_add+0x1c/0x140
[  417.610370][   T10]      addrconf_prefix_route+0x2a6/0x430
[  417.610370][   T10]      inet6_addr_add+0x4f8/0xa40
[  417.610370][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.610370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.610370][   T10]      netlink_rcv_skb+0x130/0x360
[  417.610370][   T10]      netlink_unicast+0x449/0x710
[  417.610370][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.610370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.610370][   T10]      ___sys_sendmsg+0xee/0x170
[  417.610370][   T10]      __sys_sendmsg+0xcd/0x170
[  417.610370][   T10]      do_syscall_64+0xc6/0x1e0
[  417.610370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.610370][   T10] 
[  417.612665][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  417.612665][   T10]      netdev_get_by_index+0x5e/0x80
[  417.612665][   T10]      fib6_nh_init+0x3d8/0x1580
[  417.612665][   T10]      ip6_route_info_create+0xf18/0x17d0
[  417.612665][   T10]      addrconf_f6i_alloc+0x315/0x560
[  417.612665][   T10]      ipv6_add_addr+0x411/0x2000
[  417.612665][   T10]      inet6_addr_add+0x30e/0xa40
[  417.612665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  417.612665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.612665][   T10]      netlink_rcv_skb+0x130/0x360
[  417.612665][   T10]      netlink_unicast+0x449/0x710
[  417.612665][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.612665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.612665][   T10]      ___sys_sendmsg+0xee/0x170
[  417.612665][   T10]      __sys_sendmsg+0xcd/0x170
[  417.612665][   T10]      do_syscall_64+0xc6/0x1e0
[  417.612665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.612665][   T10] 
[  417.614993][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  417.614993][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  417.614993][   T10]      ipv6_find_idev+0x102/0x170
[  417.614993][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.614993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.614993][   T10]      netlink_rcv_skb+0x130/0x360
[  417.614993][   T10]      netlink_unicast+0x449/0x710
[  417.614993][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.614993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.614993][   T10]      ___sys_sendmsg+0xee/0x170
[  417.614993][   T10]      __sys_sendmsg+0xcd/0x170
[  417.614993][   T10]      do_syscall_64+0xc6/0x1e0
[  417.614993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.614993][   T10] 
[  417.616748][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  417.616748][   T10]      neigh_parms_alloc+0x1e5/0x510
[  417.616748][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  417.616748][   T10]      ipv6_find_idev+0x102/0x170
[  417.616748][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  417.616748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  417.616748][   T10]      netlink_rcv_skb+0x130/0x360
[  417.616748][   T10]      netlink_unicast+0x449/0x710
[  417.616748][   T10]      netlink_sendmsg+0x723/0xbe0
[  417.616748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  417.616748][   T10]      ___sys_sendmsg+0xee/0x170
[  417.616748][   T10]      __sys_sendmsg+0xcd/0x170
[  417.616748][   T10]      do_syscall_64+0xc6/0x1e0
[  417.616748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  417.616748][   T10] 
[  427.752605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  427.752916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.752916][   T10]      dst_init+0x84/0x4a0
[  427.752916][   T10]      dst_alloc+0x97/0x150
[  427.752916][   T10]      ip6_dst_alloc+0x23/0x90
[  427.752916][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  427.752916][   T10]      ip6_pol_route+0x56f/0x840
[  427.752916][   T10]      fib6_rule_lookup+0x456/0x630
[  427.752916][   T10]      ip6_route_input+0x59c/0xa50
[  427.752916][   T10]      ipv6_rcv+0x397/0x810
[  427.752916][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  427.752916][   T10]      process_backlog+0x101/0x620
[  427.752916][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  427.752916][   T10]      net_rx_action+0x495/0xbe0
[  427.752916][   T10]      __do_softirq+0x1b5/0x7f6
[  427.752916][   T10] 
[  427.754629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.754629][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  427.754629][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  427.754629][   T10]      fib6_nh_init+0xa22/0x1580
[  427.754629][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.754629][   T10]      ip6_route_add+0x1c/0x140
[  427.754629][   T10]      inet6_rtm_newroute+0x104/0x110
[  427.754629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.754629][   T10]      netlink_rcv_skb+0x130/0x360
[  427.754629][   T10]      netlink_unicast+0x449/0x710
[  427.754629][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.754629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.754629][   T10]      ___sys_sendmsg+0xee/0x170
[  427.754629][   T10]      __sys_sendmsg+0xcd/0x170
[  427.754629][   T10]      do_syscall_64+0xc6/0x1e0
[  427.754629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.754629][   T10] 
[  427.756532][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.756532][   T10]      netdev_get_by_index+0x5e/0x80
[  427.756532][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.756532][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.756532][   T10]      addrconf_f6i_alloc+0x265/0x560
[  427.756532][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  427.756532][   T10]      addrconf_join_anycast+0x1c0/0x220
[  427.756532][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  427.756532][   T10]      addrconf_dad_completed+0x12b/0xe20
[  427.756532][   T10]      addrconf_dad_begin+0x310/0x670
[  427.756532][   T10]      addrconf_dad_work+0x10b/0xab0
[  427.756532][   T10]      process_one_work+0x84d/0x18a0
[  427.756532][   T10]      worker_thread+0x587/0xd30
[  427.756532][   T10]      kthread+0x28a/0x350
[  427.756532][   T10]      ret_from_fork+0x31/0x70
[  427.756532][   T10]      ret_from_fork_asm+0x1a/0x30
[  427.756532][   T10] 
[  427.758438][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.758438][   T10]      netdev_get_by_index+0x5e/0x80
[  427.758438][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.758438][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.758438][   T10]      ip6_route_add+0x1c/0x140
[  427.758438][   T10]      addrconf_prefix_route+0x2a6/0x430
[  427.758438][   T10]      inet6_addr_add+0x4f8/0xa40
[  427.758438][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.758438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.758438][   T10]      netlink_rcv_skb+0x130/0x360
[  427.758438][   T10]      netlink_unicast+0x449/0x710
[  427.758438][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.758438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.758438][   T10]      ___sys_sendmsg+0xee/0x170
[  427.758438][   T10]      __sys_sendmsg+0xcd/0x170
[  427.758438][   T10]      do_syscall_64+0xc6/0x1e0
[  427.758438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.758438][   T10] 
[  427.760437][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.760437][   T10]      netdev_get_by_index+0x5e/0x80
[  427.760437][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.760437][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.760437][   T10]      addrconf_f6i_alloc+0x315/0x560
[  427.760437][   T10]      ipv6_add_addr+0x411/0x2000
[  427.760437][   T10]      inet6_addr_add+0x30e/0xa40
[  427.760437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.760437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.760437][   T10]      netlink_rcv_skb+0x130/0x360
[  427.760437][   T10]      netlink_unicast+0x449/0x710
[  427.760437][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.760437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.760437][   T10]      ___sys_sendmsg+0xee/0x170
[  427.760437][   T10]      __sys_sendmsg+0xcd/0x170
[  427.760437][   T10]      do_syscall_64+0xc6/0x1e0
[  427.760437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.760437][   T10] 
[  427.762436][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.762436][   T10]      netdev_get_by_index+0x5e/0x80
[  427.762436][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.762436][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.762436][   T10]      ip6_route_add+0x1c/0x140
[  427.762436][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  427.762436][   T10]      addrconf_add_dev+0xe2/0x170
[  427.762436][   T10]      inet6_addr_add+0x12f/0xa40
[  427.762436][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.762436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.762436][   T10]      netlink_rcv_skb+0x130/0x360
[  427.762436][   T10]      netlink_unicast+0x449/0x710
[  427.762436][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.762436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.762436][   T10]      ___sys_sendmsg+0xee/0x170
[  427.762436][   T10]      __sys_sendmsg+0xcd/0x170
[  427.762436][   T10]      do_syscall_64+0xc6/0x1e0
[  427.762436][   T10] 
[  427.764418][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.764418][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  427.764418][   T10]      ipv6_find_idev+0x102/0x170
[  427.764418][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.764418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.764418][   T10]      netlink_rcv_skb+0x130/0x360
[  427.764418][   T10]      netlink_unicast+0x449/0x710
[  427.764418][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.764418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.764418][   T10]      ___sys_sendmsg+0xee/0x170
[  427.764418][   T10]      __sys_sendmsg+0xcd/0x170
[  427.764418][   T10]      do_syscall_64+0xc6/0x1e0
[  427.764418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.764418][   T10] 
[  427.765978][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  427.765978][   T10]      neigh_parms_alloc+0x1e5/0x510
[  427.765978][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  427.765978][   T10]      ipv6_find_idev+0x102/0x170
[  427.765978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.765978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.765978][   T10]      netlink_rcv_skb+0x130/0x360
[  427.765978][   T10]      netlink_unicast+0x449/0x710
[  427.765978][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.765978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.765978][   T10]      ___sys_sendmsg+0xee/0x170
[  427.765978][   T10]      __sys_sendmsg+0xcd/0x170
[  427.765978][   T10]      do_syscall_64+0xc6/0x1e0
[  427.765978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.765978][   T10] 
[  427.767706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  427.767953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.767953][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  427.767953][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  427.767953][   T10]      fib6_nh_init+0xa22/0x1580
[  427.767953][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.767953][   T10]      ip6_route_add+0x1c/0x140
[  427.767953][   T10]      inet6_rtm_newroute+0x104/0x110
[  427.767953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.767953][   T10]      netlink_rcv_skb+0x130/0x360
[  427.767953][   T10]      netlink_unicast+0x449/0x710
[  427.767953][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.767953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.767953][   T10]      ___sys_sendmsg+0xee/0x170
[  427.767953][   T10]      __sys_sendmsg+0xcd/0x170
[  427.767953][   T10]      do_syscall_64+0xc6/0x1e0
[  427.767953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.767953][   T10] 
[  427.769872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.769872][   T10]      dst_init+0x84/0x4a0
[  427.769872][   T10]      dst_alloc+0x97/0x150
[  427.769872][   T10]      ip6_dst_alloc+0x23/0x90
[  427.769872][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  427.769872][   T10]      ip6_pol_route+0x56f/0x840
[  427.769872][   T10]      fib6_rule_lookup+0x456/0x630
[  427.769872][   T10]      ip6_route_input+0x59c/0xa50
[  427.769872][   T10]      ipv6_rcv+0x397/0x810
[  427.769872][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  427.769872][   T10]      process_backlog+0x101/0x620
[  427.769872][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  427.769872][   T10]      net_rx_action+0x495/0xbe0
[  427.769872][   T10]      __do_softirq+0x1b5/0x7f6
[  427.769872][   T10] 
[  427.771521][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.771521][   T10]      netdev_get_by_index+0x5e/0x80
[  427.771521][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.771521][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.771521][   T10]      addrconf_f6i_alloc+0x265/0x560
[  427.771521][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  427.771521][   T10]      addrconf_join_anycast+0x1c0/0x220
[  427.771521][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  427.771521][   T10]      addrconf_dad_completed+0x12b/0xe20
[  427.771521][   T10]      addrconf_dad_begin+0x310/0x670
[  427.771521][   T10]      addrconf_dad_work+0x10b/0xab0
[  427.771521][   T10]      process_one_work+0x84d/0x18a0
[  427.771521][   T10]      worker_thread+0x587/0xd30
[  427.771521][   T10]      kthread+0x28a/0x350
[  427.771521][   T10]      ret_from_fork+0x31/0x70
[  427.771521][   T10]      ret_from_fork_asm+0x1a/0x30
[  427.771521][   T10] 
[  427.773446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.773446][   T10]      netdev_get_by_index+0x5e/0x80
[  427.773446][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.773446][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.773446][   T10]      ip6_route_add+0x1c/0x140
[  427.773446][   T10]      addrconf_prefix_route+0x2a6/0x430
[  427.773446][   T10]      inet6_addr_add+0x4f8/0xa40
[  427.773446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.773446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.773446][   T10]      netlink_rcv_skb+0x130/0x360
[  427.773446][   T10]      netlink_unicast+0x449/0x710
[  427.773446][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.773446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.773446][   T10]      ___sys_sendmsg+0xee/0x170
[  427.773446][   T10]      __sys_sendmsg+0xcd/0x170
[  427.773446][   T10]      do_syscall_64+0xc6/0x1e0
[  427.773446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.773446][   T10] 
[  427.775600][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.775600][   T10]      netdev_get_by_index+0x5e/0x80
[  427.775600][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.775600][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.775600][   T10]      addrconf_f6i_alloc+0x315/0x560
[  427.775600][   T10]      ipv6_add_addr+0x411/0x2000
[  427.775600][   T10]      inet6_addr_add+0x30e/0xa40
[  427.775600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.775600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.775600][   T10]      netlink_rcv_skb+0x130/0x360
[  427.775600][   T10]      netlink_unicast+0x449/0x710
[  427.775600][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.775600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.775600][   T10]      ___sys_sendmsg+0xee/0x170
[  427.775600][   T10]      __sys_sendmsg+0xcd/0x170
[  427.775600][   T10]      do_syscall_64+0xc6/0x1e0
[  427.775600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.775600][   T10] 
[  427.777801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.777801][   T10]      netdev_get_by_index+0x5e/0x80
[  427.777801][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.777801][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.777801][   T10]      ip6_route_add+0x1c/0x140
[  427.777801][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  427.777801][   T10]      addrconf_add_dev+0xe2/0x170
[  427.777801][   T10]      inet6_addr_add+0x12f/0xa40
[  427.777801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.777801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.777801][   T10]      netlink_rcv_skb+0x130/0x360
[  427.777801][   T10]      netlink_unicast+0x449/0x710
[  427.777801][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.777801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.777801][   T10]      ___sys_sendmsg+0xee/0x170
[  427.777801][   T10]      __sys_sendmsg+0xcd/0x170
[  427.777801][   T10]      do_syscall_64+0xc6/0x1e0
[  427.777801][   T10] 
[  427.780011][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.780011][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  427.780011][   T10]      ipv6_find_idev+0x102/0x170
[  427.780011][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.780011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.780011][   T10]      netlink_rcv_skb+0x130/0x360
[  427.780011][   T10]      netlink_unicast+0x449/0x710
[  427.780011][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.780011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.780011][   T10]      ___sys_sendmsg+0xee/0x170
[  427.780011][   T10]      __sys_sendmsg+0xcd/0x170
[  427.780011][   T10]      do_syscall_64+0xc6/0x1e0
[  427.780011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.780011][   T10] 
[  427.781677][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  427.781677][   T10]      neigh_parms_alloc+0x1e5/0x510
[  427.781677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  427.781677][   T10]      ipv6_find_idev+0x102/0x170
[  427.781677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.781677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.781677][   T10]      netlink_rcv_skb+0x130/0x360
[  427.781677][   T10]      netlink_unicast+0x449/0x710
[  427.781677][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.781677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.781677][   T10]      ___sys_sendmsg+0xee/0x170
[  427.781677][   T10]      __sys_sendmsg+0xcd/0x170
[  427.781677][   T10]      do_syscall_64+0xc6/0x1e0
[  427.781677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.781677][   T10] 
[  427.783698][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  427.783943][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  427.783943][   T10]      netdev_get_by_index+0x5e/0x80
[  427.783943][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.783943][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.783943][   T10]      ip6_route_add+0x1c/0x140
[  427.783943][   T10]      addrconf_prefix_route+0x2a6/0x430
[  427.783943][   T10]      inet6_addr_add+0x4f8/0xa40
[  427.783943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.783943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.783943][   T10]      netlink_rcv_skb+0x130/0x360
[  427.783943][   T10]      netlink_unicast+0x449/0x710
[  427.783943][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.783943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.783943][   T10]      ___sys_sendmsg+0xee/0x170
[  427.783943][   T10]      __sys_sendmsg+0xcd/0x170
[  427.783943][   T10]      do_syscall_64+0xc6/0x1e0
[  427.783943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.783943][   T10] 
[  427.786009][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  427.786009][   T10]      netdev_get_by_index+0x5e/0x80
[  427.786009][   T10]      fib6_nh_init+0x3d8/0x1580
[  427.786009][   T10]      ip6_route_info_create+0xf18/0x17d0
[  427.786009][   T10]      addrconf_f6i_alloc+0x315/0x560
[  427.786009][   T10]      ipv6_add_addr+0x411/0x2000
[  427.786009][   T10]      inet6_addr_add+0x30e/0xa40
[  427.786009][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  427.786009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.786009][   T10]      netlink_rcv_skb+0x130/0x360
[  427.786009][   T10]      netlink_unicast+0x449/0x710
[  427.786009][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.786009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.786009][   T10]      ___sys_sendmsg+0xee/0x170
[  427.786009][   T10]      __sys_sendmsg+0xcd/0x170
[  427.786009][   T10]      do_syscall_64+0xc6/0x1e0
[  427.786009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.786009][   T10] 
[  427.788199][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  427.788199][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  427.788199][   T10]      ipv6_find_idev+0x102/0x170
[  427.788199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.788199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.788199][   T10]      netlink_rcv_skb+0x130/0x360
[  427.788199][   T10]      netlink_unicast+0x449/0x710
[  427.788199][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.788199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.788199][   T10]      ___sys_sendmsg+0xee/0x170
[  427.788199][   T10]      __sys_sendmsg+0xcd/0x170
[  427.788199][   T10]      do_syscall_64+0xc6/0x1e0
[  427.788199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.788199][   T10] 
[  427.789925][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  427.789925][   T10]      neigh_parms_alloc+0x1e5/0x510
[  427.789925][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  427.789925][   T10]      ipv6_find_idev+0x102/0x170
[  427.789925][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  427.789925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  427.789925][   T10]      netlink_rcv_skb+0x130/0x360
[  427.789925][   T10]      netlink_unicast+0x449/0x710
[  427.789925][   T10]      netlink_sendmsg+0x723/0xbe0
[  427.789925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  427.789925][   T10]      ___sys_sendmsg+0xee/0x170
[  427.789925][   T10]      __sys_sendmsg+0xcd/0x170
[  427.789925][   T10]      do_syscall_64+0xc6/0x1e0
[  427.789925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  427.789925][   T10] 
[  428.587496][ T3129] veth0: renamed from veth1
[  432.536944][ T3157] br0: port 1(vx0) entered blocking state
[  432.537219][ T3157] br0: port 1(vx0) entered disabled state
[  432.537401][ T3157] vx0: entered allmulticast mode
[  432.538639][ T3157] vx0: entered promiscuous mode
[  432.547384][ T3157] br0: port 1(vx0) entered blocking state
[  432.547576][ T3157] br0: port 1(vx0) entered forwarding state
[  437.926015][ T3187] br0: port 1(vx0) entered blocking state
[  437.926291][ T3187] br0: port 1(vx0) entered disabled state
[  437.926478][ T3187] vx0: entered allmulticast mode
[  437.927710][ T3187] vx0: entered promiscuous mode
[  437.928690][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  437.928993][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.928993][   T10]      dst_init+0x84/0x4a0
[  437.928993][   T10]      dst_alloc+0x97/0x150
[  437.928993][   T10]      ip6_dst_alloc+0x23/0x90
[  437.928993][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  437.928993][   T10]      ip6_pol_route+0x56f/0x840
[  437.928993][   T10]      fib6_rule_lookup+0x456/0x630
[  437.928993][   T10]      ip6_route_input+0x59c/0xa50
[  437.928993][   T10]      ipv6_rcv+0x397/0x810
[  437.928993][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  437.928993][   T10]      process_backlog+0x101/0x620
[  437.928993][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  437.928993][   T10]      net_rx_action+0x495/0xbe0
[  437.928993][   T10]      __do_softirq+0x1b5/0x7f6
[  437.928993][   T10] 
[  437.929622][ T3187] br0: port 1(vx0) entered blocking state
[  437.930702][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.930702][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  437.930702][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  437.930702][   T10]      fib6_nh_init+0xa22/0x1580
[  437.930702][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.930702][   T10]      ip6_route_add+0x1c/0x140
[  437.930702][   T10]      inet6_rtm_newroute+0x104/0x110
[  437.930702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.930702][   T10]      netlink_rcv_skb+0x130/0x360
[  437.930702][   T10]      netlink_unicast+0x449/0x710
[  437.930702][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.930702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.930702][   T10]      ___sys_sendmsg+0xee/0x170
[  437.930702][   T10]      __sys_sendmsg+0xcd/0x170
[  437.930702][   T10]      do_syscall_64+0xc6/0x1e0
[  437.930702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.930702][   T10] 
[  437.930837][ T3187] br0: port 1(vx0) entered forwarding state
[  437.932732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.932732][   T10]      netdev_get_by_index+0x5e/0x80
[  437.932732][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.932732][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.932732][   T10]      addrconf_f6i_alloc+0x265/0x560
[  437.932732][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  437.932732][   T10]      addrconf_join_anycast+0x1c0/0x220
[  437.932732][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  437.932732][   T10]      addrconf_dad_completed+0x12b/0xe20
[  437.932732][   T10]      addrconf_dad_begin+0x310/0x670
[  437.932732][   T10]      addrconf_dad_work+0x10b/0xab0
[  437.932732][   T10]      process_one_work+0x84d/0x18a0
[  437.932732][   T10]      worker_thread+0x587/0xd30
[  437.932732][   T10]      kthread+0x28a/0x350
[  437.932732][   T10]      ret_from_fork+0x31/0x70
[  437.932732][   T10]      ret_from_fork_asm+0x1a/0x30
[  437.932732][   T10] 
[  437.934907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.934907][   T10]      netdev_get_by_index+0x5e/0x80
[  437.934907][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.934907][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.934907][   T10]      ip6_route_add+0x1c/0x140
[  437.934907][   T10]      addrconf_prefix_route+0x2a6/0x430
[  437.934907][   T10]      inet6_addr_add+0x4f8/0xa40
[  437.934907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.934907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.934907][   T10]      netlink_rcv_skb+0x130/0x360
[  437.934907][   T10]      netlink_unicast+0x449/0x710
[  437.934907][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.934907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.934907][   T10]      ___sys_sendmsg+0xee/0x170
[  437.934907][   T10]      __sys_sendmsg+0xcd/0x170
[  437.934907][   T10]      do_syscall_64+0xc6/0x1e0
[  437.934907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.934907][   T10] 
[  437.936940][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.936940][   T10]      netdev_get_by_index+0x5e/0x80
[  437.936940][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.936940][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.936940][   T10]      addrconf_f6i_alloc+0x315/0x560
[  437.936940][   T10]      ipv6_add_addr+0x411/0x2000
[  437.936940][   T10]      inet6_addr_add+0x30e/0xa40
[  437.936940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.936940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.936940][   T10]      netlink_rcv_skb+0x130/0x360
[  437.936940][   T10]      netlink_unicast+0x449/0x710
[  437.936940][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.936940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.936940][   T10]      ___sys_sendmsg+0xee/0x170
[  437.936940][   T10]      __sys_sendmsg+0xcd/0x170
[  437.936940][   T10]      do_syscall_64+0xc6/0x1e0
[  437.936940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.936940][   T10] 
[  437.938948][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.938948][   T10]      netdev_get_by_index+0x5e/0x80
[  437.938948][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.938948][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.938948][   T10]      ip6_route_add+0x1c/0x140
[  437.938948][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  437.938948][   T10]      addrconf_add_dev+0xe2/0x170
[  437.938948][   T10]      inet6_addr_add+0x12f/0xa40
[  437.938948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.938948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.938948][   T10]      netlink_rcv_skb+0x130/0x360
[  437.938948][   T10]      netlink_unicast+0x449/0x710
[  437.938948][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.938948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.938948][   T10]      ___sys_sendmsg+0xee/0x170
[  437.938948][   T10]      __sys_sendmsg+0xcd/0x170
[  437.938948][   T10]      do_syscall_64+0xc6/0x1e0
[  437.938948][   T10] 
[  437.940914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.940914][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  437.940914][   T10]      ipv6_find_idev+0x102/0x170
[  437.940914][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.940914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.940914][   T10]      netlink_rcv_skb+0x130/0x360
[  437.940914][   T10]      netlink_unicast+0x449/0x710
[  437.940914][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.940914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.940914][   T10]      ___sys_sendmsg+0xee/0x170
[  437.940914][   T10]      __sys_sendmsg+0xcd/0x170
[  437.940914][   T10]      do_syscall_64+0xc6/0x1e0
[  437.940914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.940914][   T10] 
[  437.942465][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  437.942465][   T10]      neigh_parms_alloc+0x1e5/0x510
[  437.942465][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  437.942465][   T10]      ipv6_find_idev+0x102/0x170
[  437.942465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.942465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.942465][   T10]      netlink_rcv_skb+0x130/0x360
[  437.942465][   T10]      netlink_unicast+0x449/0x710
[  437.942465][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.942465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.942465][   T10]      ___sys_sendmsg+0xee/0x170
[  437.942465][   T10]      __sys_sendmsg+0xcd/0x170
[  437.942465][   T10]      do_syscall_64+0xc6/0x1e0
[  437.942465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.942465][   T10] 
[  437.944177][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  437.944421][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.944421][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  437.944421][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  437.944421][   T10]      fib6_nh_init+0xa22/0x1580
[  437.944421][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.944421][   T10]      ip6_route_add+0x1c/0x140
[  437.944421][   T10]      inet6_rtm_newroute+0x104/0x110
[  437.944421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.944421][   T10]      netlink_rcv_skb+0x130/0x360
[  437.944421][   T10]      netlink_unicast+0x449/0x710
[  437.944421][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.944421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.944421][   T10]      ___sys_sendmsg+0xee/0x170
[  437.944421][   T10]      __sys_sendmsg+0xcd/0x170
[  437.944421][   T10]      do_syscall_64+0xc6/0x1e0
[  437.944421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.944421][   T10] 
[  437.946559][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.946559][   T10]      dst_init+0x84/0x4a0
[  437.946559][   T10]      dst_alloc+0x97/0x150
[  437.946559][   T10]      ip6_dst_alloc+0x23/0x90
[  437.946559][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  437.946559][   T10]      ip6_pol_route+0x56f/0x840
[  437.946559][   T10]      fib6_rule_lookup+0x456/0x630
[  437.946559][   T10]      ip6_route_input+0x59c/0xa50
[  437.946559][   T10]      ipv6_rcv+0x397/0x810
[  437.946559][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  437.946559][   T10]      process_backlog+0x101/0x620
[  437.946559][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  437.946559][   T10]      net_rx_action+0x495/0xbe0
[  437.946559][   T10]      __do_softirq+0x1b5/0x7f6
[  437.946559][   T10] 
[  437.948437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.948437][   T10]      netdev_get_by_index+0x5e/0x80
[  437.948437][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.948437][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.948437][   T10]      addrconf_f6i_alloc+0x265/0x560
[  437.948437][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  437.948437][   T10]      addrconf_join_anycast+0x1c0/0x220
[  437.948437][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  437.948437][   T10]      addrconf_dad_completed+0x12b/0xe20
[  437.948437][   T10]      addrconf_dad_begin+0x310/0x670
[  437.948437][   T10]      addrconf_dad_work+0x10b/0xab0
[  437.948437][   T10]      process_one_work+0x84d/0x18a0
[  437.948437][   T10]      worker_thread+0x587/0xd30
[  437.948437][   T10]      kthread+0x28a/0x350
[  437.948437][   T10]      ret_from_fork+0x31/0x70
[  437.948437][   T10]      ret_from_fork_asm+0x1a/0x30
[  437.948437][   T10] 
[  437.950542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.950542][   T10]      netdev_get_by_index+0x5e/0x80
[  437.950542][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.950542][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.950542][   T10]      ip6_route_add+0x1c/0x140
[  437.950542][   T10]      addrconf_prefix_route+0x2a6/0x430
[  437.950542][   T10]      inet6_addr_add+0x4f8/0xa40
[  437.950542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.950542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.950542][   T10]      netlink_rcv_skb+0x130/0x360
[  437.950542][   T10]      netlink_unicast+0x449/0x710
[  437.950542][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.950542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.950542][   T10]      ___sys_sendmsg+0xee/0x170
[  437.950542][   T10]      __sys_sendmsg+0xcd/0x170
[  437.950542][   T10]      do_syscall_64+0xc6/0x1e0
[  437.950542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.950542][   T10] 
[  437.952778][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.952778][   T10]      netdev_get_by_index+0x5e/0x80
[  437.952778][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.952778][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.952778][   T10]      addrconf_f6i_alloc+0x315/0x560
[  437.952778][   T10]      ipv6_add_addr+0x411/0x2000
[  437.952778][   T10]      inet6_addr_add+0x30e/0xa40
[  437.952778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.952778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.952778][   T10]      netlink_rcv_skb+0x130/0x360
[  437.952778][   T10]      netlink_unicast+0x449/0x710
[  437.952778][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.952778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.952778][   T10]      ___sys_sendmsg+0xee/0x170
[  437.952778][   T10]      __sys_sendmsg+0xcd/0x170
[  437.952778][   T10]      do_syscall_64+0xc6/0x1e0
[  437.952778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.952778][   T10] 
[  437.954972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.954972][   T10]      netdev_get_by_index+0x5e/0x80
[  437.954972][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.954972][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.954972][   T10]      ip6_route_add+0x1c/0x140
[  437.954972][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  437.954972][   T10]      addrconf_add_dev+0xe2/0x170
[  437.954972][   T10]      inet6_addr_add+0x12f/0xa40
[  437.954972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.954972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.954972][   T10]      netlink_rcv_skb+0x130/0x360
[  437.954972][   T10]      netlink_unicast+0x449/0x710
[  437.954972][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.954972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.954972][   T10]      ___sys_sendmsg+0xee/0x170
[  437.954972][   T10]      __sys_sendmsg+0xcd/0x170
[  437.954972][   T10]      do_syscall_64+0xc6/0x1e0
[  437.954972][   T10] 
[  437.957177][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.957177][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  437.957177][   T10]      ipv6_find_idev+0x102/0x170
[  437.957177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.957177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.957177][   T10]      netlink_rcv_skb+0x130/0x360
[  437.957177][   T10]      netlink_unicast+0x449/0x710
[  437.957177][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.957177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.957177][   T10]      ___sys_sendmsg+0xee/0x170
[  437.957177][   T10]      __sys_sendmsg+0xcd/0x170
[  437.957177][   T10]      do_syscall_64+0xc6/0x1e0
[  437.957177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.957177][   T10] 
[  437.958914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  437.958914][   T10]      neigh_parms_alloc+0x1e5/0x510
[  437.958914][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  437.958914][   T10]      ipv6_find_idev+0x102/0x170
[  437.958914][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.958914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.958914][   T10]      netlink_rcv_skb+0x130/0x360
[  437.958914][   T10]      netlink_unicast+0x449/0x710
[  437.958914][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.958914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.958914][   T10]      ___sys_sendmsg+0xee/0x170
[  437.958914][   T10]      __sys_sendmsg+0xcd/0x170
[  437.958914][   T10]      do_syscall_64+0xc6/0x1e0
[  437.958914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.958914][   T10] 
[  437.960798][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  437.961036][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  437.961036][   T10]      netdev_get_by_index+0x5e/0x80
[  437.961036][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.961036][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.961036][   T10]      ip6_route_add+0x1c/0x140
[  437.961036][   T10]      addrconf_prefix_route+0x2a6/0x430
[  437.961036][   T10]      inet6_addr_add+0x4f8/0xa40
[  437.961036][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.961036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.961036][   T10]      netlink_rcv_skb+0x130/0x360
[  437.961036][   T10]      netlink_unicast+0x449/0x710
[  437.961036][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.961036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.961036][   T10]      ___sys_sendmsg+0xee/0x170
[  437.961036][   T10]      __sys_sendmsg+0xcd/0x170
[  437.961036][   T10]      do_syscall_64+0xc6/0x1e0
[  437.961036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.961036][   T10] 
[  437.963286][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  437.963286][   T10]      netdev_get_by_index+0x5e/0x80
[  437.963286][   T10]      fib6_nh_init+0x3d8/0x1580
[  437.963286][   T10]      ip6_route_info_create+0xf18/0x17d0
[  437.963286][   T10]      addrconf_f6i_alloc+0x315/0x560
[  437.963286][   T10]      ipv6_add_addr+0x411/0x2000
[  437.963286][   T10]      inet6_addr_add+0x30e/0xa40
[  437.963286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  437.963286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.963286][   T10]      netlink_rcv_skb+0x130/0x360
[  437.963286][   T10]      netlink_unicast+0x449/0x710
[  437.963286][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.963286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.963286][   T10]      ___sys_sendmsg+0xee/0x170
[  437.963286][   T10]      __sys_sendmsg+0xcd/0x170
[  437.963286][   T10]      do_syscall_64+0xc6/0x1e0
[  437.963286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.963286][   T10] 
[  437.965493][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  437.965493][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  437.965493][   T10]      ipv6_find_idev+0x102/0x170
[  437.965493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.965493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.965493][   T10]      netlink_rcv_skb+0x130/0x360
[  437.965493][   T10]      netlink_unicast+0x449/0x710
[  437.965493][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.965493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.965493][   T10]      ___sys_sendmsg+0xee/0x170
[  437.965493][   T10]      __sys_sendmsg+0xcd/0x170
[  437.965493][   T10]      do_syscall_64+0xc6/0x1e0
[  437.965493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.965493][   T10] 
[  437.967283][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  437.967283][   T10]      neigh_parms_alloc+0x1e5/0x510
[  437.967283][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  437.967283][   T10]      ipv6_find_idev+0x102/0x170
[  437.967283][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  437.967283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  437.967283][   T10]      netlink_rcv_skb+0x130/0x360
[  437.967283][   T10]      netlink_unicast+0x449/0x710
[  437.967283][   T10]      netlink_sendmsg+0x723/0xbe0
[  437.967283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  437.967283][   T10]      ___sys_sendmsg+0xee/0x170
[  437.967283][   T10]      __sys_sendmsg+0xcd/0x170
[  437.967283][   T10]      do_syscall_64+0xc6/0x1e0
[  437.967283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  437.967283][   T10] 
[  441.980111][ T3219] veth0: renamed from veth1
[  445.919739][ T3246] br0: port 1(vx0) entered blocking state
[  445.920005][ T3246] br0: port 1(vx0) entered disabled state
[  445.920177][ T3246] vx0: entered allmulticast mode
[  445.921348][ T3246] vx0: entered promiscuous mode
[  445.923184][ T3246] br0: port 1(vx0) entered blocking state
[  445.923351][ T3246] br0: port 1(vx0) entered forwarding state
[  448.136629][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  448.136966][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.136966][   T10]      dst_init+0x84/0x4a0
[  448.136966][   T10]      dst_alloc+0x97/0x150
[  448.136966][   T10]      ip6_dst_alloc+0x23/0x90
[  448.136966][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  448.136966][   T10]      ip6_pol_route+0x56f/0x840
[  448.136966][   T10]      fib6_rule_lookup+0x456/0x630
[  448.136966][   T10]      ip6_route_input+0x59c/0xa50
[  448.136966][   T10]      ipv6_rcv+0x397/0x810
[  448.136966][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  448.136966][   T10]      process_backlog+0x101/0x620
[  448.136966][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  448.136966][   T10]      net_rx_action+0x495/0xbe0
[  448.136966][   T10]      __do_softirq+0x1b5/0x7f6
[  448.136966][   T10] 
[  448.138737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.138737][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  448.138737][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  448.138737][   T10]      fib6_nh_init+0xa22/0x1580
[  448.138737][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.138737][   T10]      ip6_route_add+0x1c/0x140
[  448.138737][   T10]      inet6_rtm_newroute+0x104/0x110
[  448.138737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.138737][   T10]      netlink_rcv_skb+0x130/0x360
[  448.138737][   T10]      netlink_unicast+0x449/0x710
[  448.138737][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.138737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.138737][   T10]      ___sys_sendmsg+0xee/0x170
[  448.138737][   T10]      __sys_sendmsg+0xcd/0x170
[  448.138737][   T10]      do_syscall_64+0xc6/0x1e0
[  448.138737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.138737][   T10] 
[  448.140655][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.140655][   T10]      netdev_get_by_index+0x5e/0x80
[  448.140655][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.140655][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.140655][   T10]      addrconf_f6i_alloc+0x265/0x560
[  448.140655][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  448.140655][   T10]      addrconf_join_anycast+0x1c0/0x220
[  448.140655][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  448.140655][   T10]      addrconf_dad_completed+0x12b/0xe20
[  448.140655][   T10]      addrconf_dad_begin+0x310/0x670
[  448.140655][   T10]      addrconf_dad_work+0x10b/0xab0
[  448.140655][   T10]      process_one_work+0x84d/0x18a0
[  448.140655][   T10]      worker_thread+0x587/0xd30
[  448.140655][   T10]      kthread+0x28a/0x350
[  448.140655][   T10]      ret_from_fork+0x31/0x70
[  448.140655][   T10]      ret_from_fork_asm+0x1a/0x30
[  448.140655][   T10] 
[  448.142613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.142613][   T10]      netdev_get_by_index+0x5e/0x80
[  448.142613][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.142613][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.142613][   T10]      ip6_route_add+0x1c/0x140
[  448.142613][   T10]      addrconf_prefix_route+0x2a6/0x430
[  448.142613][   T10]      inet6_addr_add+0x4f8/0xa40
[  448.142613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.142613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.142613][   T10]      netlink_rcv_skb+0x130/0x360
[  448.142613][   T10]      netlink_unicast+0x449/0x710
[  448.142613][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.142613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.142613][   T10]      ___sys_sendmsg+0xee/0x170
[  448.142613][   T10]      __sys_sendmsg+0xcd/0x170
[  448.142613][   T10]      do_syscall_64+0xc6/0x1e0
[  448.142613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.142613][   T10] 
[  448.144659][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.144659][   T10]      netdev_get_by_index+0x5e/0x80
[  448.144659][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.144659][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.144659][   T10]      addrconf_f6i_alloc+0x315/0x560
[  448.144659][   T10]      ipv6_add_addr+0x411/0x2000
[  448.144659][   T10]      inet6_addr_add+0x30e/0xa40
[  448.144659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.144659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.144659][   T10]      netlink_rcv_skb+0x130/0x360
[  448.144659][   T10]      netlink_unicast+0x449/0x710
[  448.144659][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.144659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.144659][   T10]      ___sys_sendmsg+0xee/0x170
[  448.144659][   T10]      __sys_sendmsg+0xcd/0x170
[  448.144659][   T10]      do_syscall_64+0xc6/0x1e0
[  448.144659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.144659][   T10] 
[  448.146700][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.146700][   T10]      netdev_get_by_index+0x5e/0x80
[  448.146700][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.146700][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.146700][   T10]      ip6_route_add+0x1c/0x140
[  448.146700][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  448.146700][   T10]      addrconf_add_dev+0xe2/0x170
[  448.146700][   T10]      inet6_addr_add+0x12f/0xa40
[  448.146700][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.146700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.146700][   T10]      netlink_rcv_skb+0x130/0x360
[  448.146700][   T10]      netlink_unicast+0x449/0x710
[  448.146700][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.146700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.146700][   T10]      ___sys_sendmsg+0xee/0x170
[  448.146700][   T10]      __sys_sendmsg+0xcd/0x170
[  448.146700][   T10]      do_syscall_64+0xc6/0x1e0
[  448.146700][   T10] 
[  448.148741][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.148741][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  448.148741][   T10]      ipv6_find_idev+0x102/0x170
[  448.148741][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  448.148741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.148741][   T10]      netlink_rcv_skb+0x130/0x360
[  448.148741][   T10]      netlink_unicast+0x449/0x710
[  448.148741][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.148741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.148741][   T10]      ___sys_sendmsg+0xee/0x170
[  448.148741][   T10]      __sys_sendmsg+0xcd/0x170
[  448.148741][   T10]      do_syscall_64+0xc6/0x1e0
[  448.148741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.148741][   T10] 
[  448.150344][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  448.150344][   T10]      neigh_parms_alloc+0x1e5/0x510
[  448.150344][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  448.150344][   T10]      ipv6_find_idev+0x102/0x170
[  448.150344][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  448.150344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.150344][   T10]      netlink_rcv_skb+0x130/0x360
[  448.150344][   T10]      netlink_unicast+0x449/0x710
[  448.150344][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.150344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.150344][   T10]      ___sys_sendmsg+0xee/0x170
[  448.150344][   T10]      __sys_sendmsg+0xcd/0x170
[  448.150344][   T10]      do_syscall_64+0xc6/0x1e0
[  448.150344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.150344][   T10] 
[  448.152096][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  448.152356][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.152356][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  448.152356][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  448.152356][   T10]      fib6_nh_init+0xa22/0x1580
[  448.152356][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.152356][   T10]      ip6_route_add+0x1c/0x140
[  448.152356][   T10]      inet6_rtm_newroute+0x104/0x110
[  448.152356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.152356][   T10]      netlink_rcv_skb+0x130/0x360
[  448.152356][   T10]      netlink_unicast+0x449/0x710
[  448.152356][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.152356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.152356][   T10]      ___sys_sendmsg+0xee/0x170
[  448.152356][   T10]      __sys_sendmsg+0xcd/0x170
[  448.152356][   T10]      do_syscall_64+0xc6/0x1e0
[  448.152356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.152356][   T10] 
[  448.154286][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.154286][   T10]      dst_init+0x84/0x4a0
[  448.154286][   T10]      dst_alloc+0x97/0x150
[  448.154286][   T10]      ip6_dst_alloc+0x23/0x90
[  448.154286][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  448.154286][   T10]      ip6_pol_route+0x56f/0x840
[  448.154286][   T10]      fib6_rule_lookup+0x456/0x630
[  448.154286][   T10]      ip6_route_input+0x59c/0xa50
[  448.154286][   T10]      ipv6_rcv+0x397/0x810
[  448.154286][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  448.154286][   T10]      process_backlog+0x101/0x620
[  448.154286][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  448.154286][   T10]      net_rx_action+0x495/0xbe0
[  448.154286][   T10]      __do_softirq+0x1b5/0x7f6
[  448.154286][   T10] 
[  448.156044][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.156044][   T10]      netdev_get_by_index+0x5e/0x80
[  448.156044][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.156044][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.156044][   T10]      addrconf_f6i_alloc+0x265/0x560
[  448.156044][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  448.156044][   T10]      addrconf_join_anycast+0x1c0/0x220
[  448.156044][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  448.156044][   T10]      addrconf_dad_completed+0x12b/0xe20
[  448.156044][   T10]      addrconf_dad_begin+0x310/0x670
[  448.156044][   T10]      addrconf_dad_work+0x10b/0xab0
[  448.156044][   T10]      process_one_work+0x84d/0x18a0
[  448.156044][   T10]      worker_thread+0x587/0xd30
[  448.156044][   T10]      kthread+0x28a/0x350
[  448.156044][   T10]      ret_from_fork+0x31/0x70
[  448.156044][   T10]      ret_from_fork_asm+0x1a/0x30
[  448.156044][   T10] 
[  448.158272][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.158272][   T10]      netdev_get_by_index+0x5e/0x80
[  448.158272][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.158272][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.158272][   T10]      ip6_route_add+0x1c/0x140
[  448.158272][   T10]      addrconf_prefix_route+0x2a6/0x430
[  448.158272][   T10]      inet6_addr_add+0x4f8/0xa40
[  448.158272][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.158272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.158272][   T10]      netlink_rcv_skb+0x130/0x360
[  448.158272][   T10]      netlink_unicast+0x449/0x710
[  448.158272][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.158272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.158272][   T10]      ___sys_sendmsg+0xee/0x170
[  448.158272][   T10]      __sys_sendmsg+0xcd/0x170
[  448.158272][   T10]      do_syscall_64+0xc6/0x1e0
[  448.158272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.158272][   T10] 
[  448.160649][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.160649][   T10]      netdev_get_by_index+0x5e/0x80
[  448.160649][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.160649][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.160649][   T10]      addrconf_f6i_alloc+0x315/0x560
[  448.160649][   T10]      ipv6_add_addr+0x411/0x2000
[  448.160649][   T10]      inet6_addr_add+0x30e/0xa40
[  448.160649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.160649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.160649][   T10]      netlink_rcv_skb+0x130/0x360
[  448.160649][   T10]      netlink_unicast+0x449/0x710
[  448.160649][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.160649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.160649][   T10]      ___sys_sendmsg+0xee/0x170
[  448.160649][   T10]      __sys_sendmsg+0xcd/0x170
[  448.160649][   T10]      do_syscall_64+0xc6/0x1e0
[  448.160649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.160649][   T10] 
[  448.162931][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.162931][   T10]      netdev_get_by_index+0x5e/0x80
[  448.162931][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.162931][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.162931][   T10]      ip6_route_add+0x1c/0x140
[  448.162931][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  448.162931][   T10]      addrconf_add_dev+0xe2/0x170
[  448.162931][   T10]      inet6_addr_add+0x12f/0xa40
[  448.162931][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.162931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.162931][   T10]      netlink_rcv_skb+0x130/0x360
[  448.162931][   T10]      netlink_unicast+0x449/0x710
[  448.162931][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.162931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.162931][   T10]      ___sys_sendmsg+0xee/0x170
[  448.162931][   T10]      __sys_sendmsg+0xcd/0x170
[  448.162931][   T10]      do_syscall_64+0xc6/0x1e0
[  448.162931][   T10] 
[  448.165133][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.165133][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  448.165133][   T10]      ipv6_find_idev+0x102/0x170
[  448.165133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  448.165133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.165133][   T10]      netlink_rcv_skb+0x130/0x360
[  448.165133][   T10]      netlink_unicast+0x449/0x710
[  448.165133][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.165133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.165133][   T10]      ___sys_sendmsg+0xee/0x170
[  448.165133][   T10]      __sys_sendmsg+0xcd/0x170
[  448.165133][   T10]      do_syscall_64+0xc6/0x1e0
[  448.165133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.165133][   T10] 
[  448.166785][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  448.166785][   T10]      neigh_parms_alloc+0x1e5/0x510
[  448.166785][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  448.166785][   T10]      ipv6_find_idev+0x102/0x170
[  448.166785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  448.166785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.166785][   T10]      netlink_rcv_skb+0x130/0x360
[  448.166785][   T10]      netlink_unicast+0x449/0x710
[  448.166785][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.166785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.166785][   T10]      ___sys_sendmsg+0xee/0x170
[  448.166785][   T10]      __sys_sendmsg+0xcd/0x170
[  448.166785][   T10]      do_syscall_64+0xc6/0x1e0
[  448.166785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.166785][   T10] 
[  448.168849][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  448.169164][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  448.169164][   T10]      netdev_get_by_index+0x5e/0x80
[  448.169164][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.169164][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.169164][   T10]      ip6_route_add+0x1c/0x140
[  448.169164][   T10]      addrconf_prefix_route+0x2a6/0x430
[  448.169164][   T10]      inet6_addr_add+0x4f8/0xa40
[  448.169164][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.169164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.169164][   T10]      netlink_rcv_skb+0x130/0x360
[  448.169164][   T10]      netlink_unicast+0x449/0x710
[  448.169164][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.169164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.169164][   T10]      ___sys_sendmsg+0xee/0x170
[  448.169164][   T10]      __sys_sendmsg+0xcd/0x170
[  448.169164][   T10]      do_syscall_64+0xc6/0x1e0
[  448.169164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.169164][   T10] 
[  448.171201][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  448.171201][   T10]      netdev_get_by_index+0x5e/0x80
[  448.171201][   T10]      fib6_nh_init+0x3d8/0x1580
[  448.171201][   T10]      ip6_route_info_create+0xf18/0x17d0
[  448.171201][   T10]      addrconf_f6i_alloc+0x315/0x560
[  448.171201][   T10]      ipv6_add_addr+0x411/0x2000
[  448.171201][   T10]      inet6_addr_add+0x30e/0xa40
[  448.171201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  448.171201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.171201][   T10]      netlink_rcv_skb+0x130/0x360
[  448.171201][   T10]      netlink_unicast+0x449/0x710
[  448.171201][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.171201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.171201][   T10]      ___sys_sendmsg+0xee/0x170
[  448.171201][   T10]      __sys_sendmsg+0xcd/0x170
[  448.171201][   T10]      do_syscall_64+0xc6/0x1e0
[  448.171201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.171201][   T10] 
[  448.173277][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  448.173277][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  448.173277][   T10]      ipv6_find_idev+0x102/0x170
[  448.173277][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  448.173277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.173277][   T10]      netlink_rcv_skb+0x130/0x360
[  448.173277][   T10]      netlink_unicast+0x449/0x710
[  448.173277][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.173277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.173277][   T10]      ___sys_sendmsg+0xee/0x170
[  448.173277][   T10]      __sys_sendmsg+0xcd/0x170
[  448.173277][   T10]      do_syscall_64+0xc6/0x1e0
[  448.173277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.173277][   T10] 
[  448.174857][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  448.174857][   T10]      neigh_parms_alloc+0x1e5/0x510
[  448.174857][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  448.174857][   T10]      ipv6_find_idev+0x102/0x170
[  448.174857][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  448.174857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  448.174857][   T10]      netlink_rcv_skb+0x130/0x360
[  448.174857][   T10]      netlink_unicast+0x449/0x710
[  448.174857][   T10]      netlink_sendmsg+0x723/0xbe0
[  448.174857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  448.174857][   T10]      ___sys_sendmsg+0xee/0x170
[  448.174857][   T10]      __sys_sendmsg+0xcd/0x170
[  448.174857][   T10]      do_syscall_64+0xc6/0x1e0
[  448.174857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  448.174857][   T10] 
[  451.341275][ T3276] br0: port 1(vx0) entered blocking state
[  451.341567][ T3276] br0: port 1(vx0) entered disabled state
[  451.342283][ T3276] vx0: entered allmulticast mode
[  451.343485][ T3276] vx0: entered promiscuous mode
[  451.345325][ T3276] br0: port 1(vx0) entered blocking state
[  451.345492][ T3276] br0: port 1(vx0) entered forwarding state
[  458.232696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  458.233165][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.233165][   T10]      dst_init+0x84/0x4a0
[  458.233165][   T10]      dst_alloc+0x97/0x150
[  458.233165][   T10]      ip6_dst_alloc+0x23/0x90
[  458.233165][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  458.233165][   T10]      ip6_pol_route+0x56f/0x840
[  458.233165][   T10]      fib6_rule_lookup+0x456/0x630
[  458.233165][   T10]      ip6_route_input+0x59c/0xa50
[  458.233165][   T10]      ipv6_rcv+0x397/0x810
[  458.233165][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  458.233165][   T10]      process_backlog+0x101/0x620
[  458.233165][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  458.233165][   T10]      net_rx_action+0x495/0xbe0
[  458.233165][   T10]      __do_softirq+0x1b5/0x7f6
[  458.233165][   T10] 
[  458.234913][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.234913][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  458.234913][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  458.234913][   T10]      fib6_nh_init+0xa22/0x1580
[  458.234913][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.234913][   T10]      ip6_route_add+0x1c/0x140
[  458.234913][   T10]      inet6_rtm_newroute+0x104/0x110
[  458.234913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.234913][   T10]      netlink_rcv_skb+0x130/0x360
[  458.234913][   T10]      netlink_unicast+0x449/0x710
[  458.234913][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.234913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.234913][   T10]      ___sys_sendmsg+0xee/0x170
[  458.234913][   T10]      __sys_sendmsg+0xcd/0x170
[  458.234913][   T10]      do_syscall_64+0xc6/0x1e0
[  458.234913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.234913][   T10] 
[  458.236858][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.236858][   T10]      netdev_get_by_index+0x5e/0x80
[  458.236858][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.236858][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.236858][   T10]      addrconf_f6i_alloc+0x265/0x560
[  458.236858][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  458.236858][   T10]      addrconf_join_anycast+0x1c0/0x220
[  458.236858][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  458.236858][   T10]      addrconf_dad_completed+0x12b/0xe20
[  458.236858][   T10]      addrconf_dad_begin+0x310/0x670
[  458.236858][   T10]      addrconf_dad_work+0x10b/0xab0
[  458.236858][   T10]      process_one_work+0x84d/0x18a0
[  458.236858][   T10]      worker_thread+0x587/0xd30
[  458.236858][   T10]      kthread+0x28a/0x350
[  458.236858][   T10]      ret_from_fork+0x31/0x70
[  458.236858][   T10]      ret_from_fork_asm+0x1a/0x30
[  458.236858][   T10] 
[  458.238785][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.238785][   T10]      netdev_get_by_index+0x5e/0x80
[  458.238785][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.238785][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.238785][   T10]      ip6_route_add+0x1c/0x140
[  458.238785][   T10]      addrconf_prefix_route+0x2a6/0x430
[  458.238785][   T10]      inet6_addr_add+0x4f8/0xa40
[  458.238785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.238785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.238785][   T10]      netlink_rcv_skb+0x130/0x360
[  458.238785][   T10]      netlink_unicast+0x449/0x710
[  458.238785][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.238785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.238785][   T10]      ___sys_sendmsg+0xee/0x170
[  458.238785][   T10]      __sys_sendmsg+0xcd/0x170
[  458.238785][   T10]      do_syscall_64+0xc6/0x1e0
[  458.238785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.238785][   T10] 
[  458.240795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.240795][   T10]      netdev_get_by_index+0x5e/0x80
[  458.240795][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.240795][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.240795][   T10]      addrconf_f6i_alloc+0x315/0x560
[  458.240795][   T10]      ipv6_add_addr+0x411/0x2000
[  458.240795][   T10]      inet6_addr_add+0x30e/0xa40
[  458.240795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.240795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.240795][   T10]      netlink_rcv_skb+0x130/0x360
[  458.240795][   T10]      netlink_unicast+0x449/0x710
[  458.240795][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.240795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.240795][   T10]      ___sys_sendmsg+0xee/0x170
[  458.240795][   T10]      __sys_sendmsg+0xcd/0x170
[  458.240795][   T10]      do_syscall_64+0xc6/0x1e0
[  458.240795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.240795][   T10] 
[  458.242809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.242809][   T10]      netdev_get_by_index+0x5e/0x80
[  458.242809][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.242809][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.242809][   T10]      ip6_route_add+0x1c/0x140
[  458.242809][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  458.242809][   T10]      addrconf_add_dev+0xe2/0x170
[  458.242809][   T10]      inet6_addr_add+0x12f/0xa40
[  458.242809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.242809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.242809][   T10]      netlink_rcv_skb+0x130/0x360
[  458.242809][   T10]      netlink_unicast+0x449/0x710
[  458.242809][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.242809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.242809][   T10]      ___sys_sendmsg+0xee/0x170
[  458.242809][   T10]      __sys_sendmsg+0xcd/0x170
[  458.242809][   T10]      do_syscall_64+0xc6/0x1e0
[  458.242809][   T10] 
[  458.244786][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.244786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  458.244786][   T10]      ipv6_find_idev+0x102/0x170
[  458.244786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  458.244786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.244786][   T10]      netlink_rcv_skb+0x130/0x360
[  458.244786][   T10]      netlink_unicast+0x449/0x710
[  458.244786][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.244786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.244786][   T10]      ___sys_sendmsg+0xee/0x170
[  458.244786][   T10]      __sys_sendmsg+0xcd/0x170
[  458.244786][   T10]      do_syscall_64+0xc6/0x1e0
[  458.244786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.244786][   T10] 
[  458.246349][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  458.246349][   T10]      neigh_parms_alloc+0x1e5/0x510
[  458.246349][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  458.246349][   T10]      ipv6_find_idev+0x102/0x170
[  458.246349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  458.246349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.246349][   T10]      netlink_rcv_skb+0x130/0x360
[  458.246349][   T10]      netlink_unicast+0x449/0x710
[  458.246349][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.246349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.246349][   T10]      ___sys_sendmsg+0xee/0x170
[  458.246349][   T10]      __sys_sendmsg+0xcd/0x170
[  458.246349][   T10]      do_syscall_64+0xc6/0x1e0
[  458.246349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.246349][   T10] 
[  458.248053][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  458.248303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.248303][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  458.248303][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  458.248303][   T10]      fib6_nh_init+0xa22/0x1580
[  458.248303][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.248303][   T10]      ip6_route_add+0x1c/0x140
[  458.248303][   T10]      inet6_rtm_newroute+0x104/0x110
[  458.248303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.248303][   T10]      netlink_rcv_skb+0x130/0x360
[  458.248303][   T10]      netlink_unicast+0x449/0x710
[  458.248303][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.248303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.248303][   T10]      ___sys_sendmsg+0xee/0x170
[  458.248303][   T10]      __sys_sendmsg+0xcd/0x170
[  458.248303][   T10]      do_syscall_64+0xc6/0x1e0
[  458.248303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.248303][   T10] 
[  458.250196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.250196][   T10]      dst_init+0x84/0x4a0
[  458.250196][   T10]      dst_alloc+0x97/0x150
[  458.250196][   T10]      ip6_dst_alloc+0x23/0x90
[  458.250196][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  458.250196][   T10]      ip6_pol_route+0x56f/0x840
[  458.250196][   T10]      fib6_rule_lookup+0x456/0x630
[  458.250196][   T10]      ip6_route_input+0x59c/0xa50
[  458.250196][   T10]      ipv6_rcv+0x397/0x810
[  458.250196][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  458.250196][   T10]      process_backlog+0x101/0x620
[  458.250196][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  458.250196][   T10]      net_rx_action+0x495/0xbe0
[  458.250196][   T10]      __do_softirq+0x1b5/0x7f6
[  458.250196][   T10] 
[  458.251845][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.251845][   T10]      netdev_get_by_index+0x5e/0x80
[  458.251845][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.251845][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.251845][   T10]      addrconf_f6i_alloc+0x265/0x560
[  458.251845][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  458.251845][   T10]      addrconf_join_anycast+0x1c0/0x220
[  458.251845][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  458.251845][   T10]      addrconf_dad_completed+0x12b/0xe20
[  458.251845][   T10]      addrconf_dad_begin+0x310/0x670
[  458.251845][   T10]      addrconf_dad_work+0x10b/0xab0
[  458.251845][   T10]      process_one_work+0x84d/0x18a0
[  458.251845][   T10]      worker_thread+0x587/0xd30
[  458.251845][   T10]      kthread+0x28a/0x350
[  458.251845][   T10]      ret_from_fork+0x31/0x70
[  458.251845][   T10]      ret_from_fork_asm+0x1a/0x30
[  458.251845][   T10] 
[  458.253785][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.253785][   T10]      netdev_get_by_index+0x5e/0x80
[  458.253785][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.253785][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.253785][   T10]      ip6_route_add+0x1c/0x140
[  458.253785][   T10]      addrconf_prefix_route+0x2a6/0x430
[  458.253785][   T10]      inet6_addr_add+0x4f8/0xa40
[  458.253785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.253785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.253785][   T10]      netlink_rcv_skb+0x130/0x360
[  458.253785][   T10]      netlink_unicast+0x449/0x710
[  458.253785][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.253785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.253785][   T10]      ___sys_sendmsg+0xee/0x170
[  458.253785][   T10]      __sys_sendmsg+0xcd/0x170
[  458.253785][   T10]      do_syscall_64+0xc6/0x1e0
[  458.253785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.253785][   T10] 
[  458.255814][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.255814][   T10]      netdev_get_by_index+0x5e/0x80
[  458.255814][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.255814][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.255814][   T10]      addrconf_f6i_alloc+0x315/0x560
[  458.255814][   T10]      ipv6_add_addr+0x411/0x2000
[  458.255814][   T10]      inet6_addr_add+0x30e/0xa40
[  458.255814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.255814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.255814][   T10]      netlink_rcv_skb+0x130/0x360
[  458.255814][   T10]      netlink_unicast+0x449/0x710
[  458.255814][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.255814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.255814][   T10]      ___sys_sendmsg+0xee/0x170
[  458.255814][   T10]      __sys_sendmsg+0xcd/0x170
[  458.255814][   T10]      do_syscall_64+0xc6/0x1e0
[  458.255814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.255814][   T10] 
[  458.257837][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.257837][   T10]      netdev_get_by_index+0x5e/0x80
[  458.257837][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.257837][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.257837][   T10]      ip6_route_add+0x1c/0x140
[  458.257837][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  458.257837][   T10]      addrconf_add_dev+0xe2/0x170
[  458.257837][   T10]      inet6_addr_add+0x12f/0xa40
[  458.257837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.257837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.257837][   T10]      netlink_rcv_skb+0x130/0x360
[  458.257837][   T10]      netlink_unicast+0x449/0x710
[  458.257837][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.257837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.257837][   T10]      ___sys_sendmsg+0xee/0x170
[  458.257837][   T10]      __sys_sendmsg+0xcd/0x170
[  458.257837][   T10]      do_syscall_64+0xc6/0x1e0
[  458.257837][   T10] 
[  458.259999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.259999][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  458.259999][   T10]      ipv6_find_idev+0x102/0x170
[  458.259999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  458.259999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.259999][   T10]      netlink_rcv_skb+0x130/0x360
[  458.259999][   T10]      netlink_unicast+0x449/0x710
[  458.259999][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.259999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.259999][   T10]      ___sys_sendmsg+0xee/0x170
[  458.259999][   T10]      __sys_sendmsg+0xcd/0x170
[  458.259999][   T10]      do_syscall_64+0xc6/0x1e0
[  458.259999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.259999][   T10] 
[  458.261747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  458.261747][   T10]      neigh_parms_alloc+0x1e5/0x510
[  458.261747][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  458.261747][   T10]      ipv6_find_idev+0x102/0x170
[  458.261747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  458.261747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.261747][   T10]      netlink_rcv_skb+0x130/0x360
[  458.261747][   T10]      netlink_unicast+0x449/0x710
[  458.261747][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.261747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.261747][   T10]      ___sys_sendmsg+0xee/0x170
[  458.261747][   T10]      __sys_sendmsg+0xcd/0x170
[  458.261747][   T10]      do_syscall_64+0xc6/0x1e0
[  458.261747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.261747][   T10] 
[  458.263803][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  458.264046][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  458.264046][   T10]      netdev_get_by_index+0x5e/0x80
[  458.264046][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.264046][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.264046][   T10]      ip6_route_add+0x1c/0x140
[  458.264046][   T10]      addrconf_prefix_route+0x2a6/0x430
[  458.264046][   T10]      inet6_addr_add+0x4f8/0xa40
[  458.264046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.264046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.264046][   T10]      netlink_rcv_skb+0x130/0x360
[  458.264046][   T10]      netlink_unicast+0x449/0x710
[  458.264046][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.264046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.264046][   T10]      ___sys_sendmsg+0xee/0x170
[  458.264046][   T10]      __sys_sendmsg+0xcd/0x170
[  458.264046][   T10]      do_syscall_64+0xc6/0x1e0
[  458.264046][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.264046][   T10] 
[  458.266295][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  458.266295][   T10]      netdev_get_by_index+0x5e/0x80
[  458.266295][   T10]      fib6_nh_init+0x3d8/0x1580
[  458.266295][   T10]      ip6_route_info_create+0xf18/0x17d0
[  458.266295][   T10]      addrconf_f6i_alloc+0x315/0x560
[  458.266295][   T10]      ipv6_add_addr+0x411/0x2000
[  458.266295][   T10]      inet6_addr_add+0x30e/0xa40
[  458.266295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  458.266295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.266295][   T10]      netlink_rcv_skb+0x130/0x360
[  458.266295][   T10]      netlink_unicast+0x449/0x710
[  458.266295][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.266295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.266295][   T10]      ___sys_sendmsg+0xee/0x170
[  458.266295][   T10]      __sys_sendmsg+0xcd/0x170
[  458.266295][   T10]      do_syscall_64+0xc6/0x1e0
[  458.266295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.266295][   T10] 
[  458.268476][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  458.268476][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  458.268476][   T10]      ipv6_find_idev+0x102/0x170
[  458.268476][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  458.268476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.268476][   T10]      netlink_rcv_skb+0x130/0x360
[  458.268476][   T10]      netlink_unicast+0x449/0x710
[  458.268476][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.268476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.268476][   T10]      ___sys_sendmsg+0xee/0x170
[  458.268476][   T10]      __sys_sendmsg+0xcd/0x170
[  458.268476][   T10]      do_syscall_64+0xc6/0x1e0
[  458.268476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.268476][   T10] 
[  458.270203][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  458.270203][   T10]      neigh_parms_alloc+0x1e5/0x510
[  458.270203][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  458.270203][   T10]      ipv6_find_idev+0x102/0x170
[  458.270203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  458.270203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  458.270203][   T10]      netlink_rcv_skb+0x130/0x360
[  458.270203][   T10]      netlink_unicast+0x449/0x710
[  458.270203][   T10]      netlink_sendmsg+0x723/0xbe0
[  458.270203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  458.270203][   T10]      ___sys_sendmsg+0xee/0x170
[  458.270203][   T10]      __sys_sendmsg+0xcd/0x170
[  458.270203][   T10]      do_syscall_64+0xc6/0x1e0
[  458.270203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  458.270203][   T10] 
[  468.370066][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  468.370406][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.370406][   T10]      dst_init+0x84/0x4a0
[  468.370406][   T10]      dst_alloc+0x97/0x150
[  468.370406][   T10]      ip6_dst_alloc+0x23/0x90
[  468.370406][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  468.370406][   T10]      ip6_pol_route+0x56f/0x840
[  468.370406][   T10]      fib6_rule_lookup+0x456/0x630
[  468.370406][   T10]      ip6_route_input+0x59c/0xa50
[  468.370406][   T10]      ipv6_rcv+0x397/0x810
[  468.370406][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  468.370406][   T10]      process_backlog+0x101/0x620
[  468.370406][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  468.370406][   T10]      net_rx_action+0x495/0xbe0
[  468.370406][   T10]      __do_softirq+0x1b5/0x7f6
[  468.370406][   T10] 
[  468.372190][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.372190][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  468.372190][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  468.372190][   T10]      fib6_nh_init+0xa22/0x1580
[  468.372190][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.372190][   T10]      ip6_route_add+0x1c/0x140
[  468.372190][   T10]      inet6_rtm_newroute+0x104/0x110
[  468.372190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.372190][   T10]      netlink_rcv_skb+0x130/0x360
[  468.372190][   T10]      netlink_unicast+0x449/0x710
[  468.372190][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.372190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.372190][   T10]      ___sys_sendmsg+0xee/0x170
[  468.372190][   T10]      __sys_sendmsg+0xcd/0x170
[  468.372190][   T10]      do_syscall_64+0xc6/0x1e0
[  468.372190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.372190][   T10] 
[  468.374174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.374174][   T10]      netdev_get_by_index+0x5e/0x80
[  468.374174][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.374174][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.374174][   T10]      addrconf_f6i_alloc+0x265/0x560
[  468.374174][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  468.374174][   T10]      addrconf_join_anycast+0x1c0/0x220
[  468.374174][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  468.374174][   T10]      addrconf_dad_completed+0x12b/0xe20
[  468.374174][   T10]      addrconf_dad_begin+0x310/0x670
[  468.374174][   T10]      addrconf_dad_work+0x10b/0xab0
[  468.374174][   T10]      process_one_work+0x84d/0x18a0
[  468.374174][   T10]      worker_thread+0x587/0xd30
[  468.374174][   T10]      kthread+0x28a/0x350
[  468.374174][   T10]      ret_from_fork+0x31/0x70
[  468.374174][   T10]      ret_from_fork_asm+0x1a/0x30
[  468.374174][   T10] 
[  468.376143][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.376143][   T10]      netdev_get_by_index+0x5e/0x80
[  468.376143][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.376143][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.376143][   T10]      ip6_route_add+0x1c/0x140
[  468.376143][   T10]      addrconf_prefix_route+0x2a6/0x430
[  468.376143][   T10]      inet6_addr_add+0x4f8/0xa40
[  468.376143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.376143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.376143][   T10]      netlink_rcv_skb+0x130/0x360
[  468.376143][   T10]      netlink_unicast+0x449/0x710
[  468.376143][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.376143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.376143][   T10]      ___sys_sendmsg+0xee/0x170
[  468.376143][   T10]      __sys_sendmsg+0xcd/0x170
[  468.376143][   T10]      do_syscall_64+0xc6/0x1e0
[  468.376143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.376143][   T10] 
[  468.378215][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.378215][   T10]      netdev_get_by_index+0x5e/0x80
[  468.378215][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.378215][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.378215][   T10]      addrconf_f6i_alloc+0x315/0x560
[  468.378215][   T10]      ipv6_add_addr+0x411/0x2000
[  468.378215][   T10]      inet6_addr_add+0x30e/0xa40
[  468.378215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.378215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.378215][   T10]      netlink_rcv_skb+0x130/0x360
[  468.378215][   T10]      netlink_unicast+0x449/0x710
[  468.378215][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.378215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.378215][   T10]      ___sys_sendmsg+0xee/0x170
[  468.378215][   T10]      __sys_sendmsg+0xcd/0x170
[  468.378215][   T10]      do_syscall_64+0xc6/0x1e0
[  468.378215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.378215][   T10] 
[  468.380310][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.380310][   T10]      netdev_get_by_index+0x5e/0x80
[  468.380310][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.380310][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.380310][   T10]      ip6_route_add+0x1c/0x140
[  468.380310][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  468.380310][   T10]      addrconf_add_dev+0xe2/0x170
[  468.380310][   T10]      inet6_addr_add+0x12f/0xa40
[  468.380310][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.380310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.380310][   T10]      netlink_rcv_skb+0x130/0x360
[  468.380310][   T10]      netlink_unicast+0x449/0x710
[  468.380310][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.380310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.380310][   T10]      ___sys_sendmsg+0xee/0x170
[  468.380310][   T10]      __sys_sendmsg+0xcd/0x170
[  468.380310][   T10]      do_syscall_64+0xc6/0x1e0
[  468.380310][   T10] 
[  468.382367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.382367][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  468.382367][   T10]      ipv6_find_idev+0x102/0x170
[  468.382367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.382367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.382367][   T10]      netlink_rcv_skb+0x130/0x360
[  468.382367][   T10]      netlink_unicast+0x449/0x710
[  468.382367][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.382367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.382367][   T10]      ___sys_sendmsg+0xee/0x170
[  468.382367][   T10]      __sys_sendmsg+0xcd/0x170
[  468.382367][   T10]      do_syscall_64+0xc6/0x1e0
[  468.382367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.382367][   T10] 
[  468.384214][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  468.384214][   T10]      neigh_parms_alloc+0x1e5/0x510
[  468.384214][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  468.384214][   T10]      ipv6_find_idev+0x102/0x170
[  468.384214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.384214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.384214][   T10]      netlink_rcv_skb+0x130/0x360
[  468.384214][   T10]      netlink_unicast+0x449/0x710
[  468.384214][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.384214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.384214][   T10]      ___sys_sendmsg+0xee/0x170
[  468.384214][   T10]      __sys_sendmsg+0xcd/0x170
[  468.384214][   T10]      do_syscall_64+0xc6/0x1e0
[  468.384214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.384214][   T10] 
[  468.386270][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  468.386536][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.386536][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  468.386536][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  468.386536][   T10]      fib6_nh_init+0xa22/0x1580
[  468.386536][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.386536][   T10]      ip6_route_add+0x1c/0x140
[  468.386536][   T10]      inet6_rtm_newroute+0x104/0x110
[  468.386536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.386536][   T10]      netlink_rcv_skb+0x130/0x360
[  468.386536][   T10]      netlink_unicast+0x449/0x710
[  468.386536][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.386536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.386536][   T10]      ___sys_sendmsg+0xee/0x170
[  468.386536][   T10]      __sys_sendmsg+0xcd/0x170
[  468.386536][   T10]      do_syscall_64+0xc6/0x1e0
[  468.386536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.386536][   T10] 
[  468.388700][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.388700][   T10]      dst_init+0x84/0x4a0
[  468.388700][   T10]      dst_alloc+0x97/0x150
[  468.388700][   T10]      ip6_dst_alloc+0x23/0x90
[  468.388700][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  468.388700][   T10]      ip6_pol_route+0x56f/0x840
[  468.388700][   T10]      fib6_rule_lookup+0x456/0x630
[  468.388700][   T10]      ip6_route_input+0x59c/0xa50
[  468.388700][   T10]      ipv6_rcv+0x397/0x810
[  468.388700][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  468.388700][   T10]      process_backlog+0x101/0x620
[  468.388700][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  468.388700][   T10]      net_rx_action+0x495/0xbe0
[  468.388700][   T10]      __do_softirq+0x1b5/0x7f6
[  468.388700][   T10] 
[  468.390618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.390618][   T10]      netdev_get_by_index+0x5e/0x80
[  468.390618][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.390618][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.390618][   T10]      addrconf_f6i_alloc+0x265/0x560
[  468.390618][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  468.390618][   T10]      addrconf_join_anycast+0x1c0/0x220
[  468.390618][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  468.390618][   T10]      addrconf_dad_completed+0x12b/0xe20
[  468.390618][   T10]      addrconf_dad_begin+0x310/0x670
[  468.390618][   T10]      addrconf_dad_work+0x10b/0xab0
[  468.390618][   T10]      process_one_work+0x84d/0x18a0
[  468.390618][   T10]      worker_thread+0x587/0xd30
[  468.390618][   T10]      kthread+0x28a/0x350
[  468.390618][   T10]      ret_from_fork+0x31/0x70
[  468.390618][   T10]      ret_from_fork_asm+0x1a/0x30
[  468.390618][   T10] 
[  468.392952][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.392952][   T10]      netdev_get_by_index+0x5e/0x80
[  468.392952][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.392952][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.392952][   T10]      ip6_route_add+0x1c/0x140
[  468.392952][   T10]      addrconf_prefix_route+0x2a6/0x430
[  468.392952][   T10]      inet6_addr_add+0x4f8/0xa40
[  468.392952][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.392952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.392952][   T10]      netlink_rcv_skb+0x130/0x360
[  468.392952][   T10]      netlink_unicast+0x449/0x710
[  468.392952][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.392952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.392952][   T10]      ___sys_sendmsg+0xee/0x170
[  468.392952][   T10]      __sys_sendmsg+0xcd/0x170
[  468.392952][   T10]      do_syscall_64+0xc6/0x1e0
[  468.392952][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.392952][   T10] 
[  468.395271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.395271][   T10]      netdev_get_by_index+0x5e/0x80
[  468.395271][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.395271][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.395271][   T10]      addrconf_f6i_alloc+0x315/0x560
[  468.395271][   T10]      ipv6_add_addr+0x411/0x2000
[  468.395271][   T10]      inet6_addr_add+0x30e/0xa40
[  468.395271][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.395271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.395271][   T10]      netlink_rcv_skb+0x130/0x360
[  468.395271][   T10]      netlink_unicast+0x449/0x710
[  468.395271][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.395271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.395271][   T10]      ___sys_sendmsg+0xee/0x170
[  468.395271][   T10]      __sys_sendmsg+0xcd/0x170
[  468.395271][   T10]      do_syscall_64+0xc6/0x1e0
[  468.395271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.395271][   T10] 
[  468.397685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.397685][   T10]      netdev_get_by_index+0x5e/0x80
[  468.397685][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.397685][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.397685][   T10]      ip6_route_add+0x1c/0x140
[  468.397685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  468.397685][   T10]      addrconf_add_dev+0xe2/0x170
[  468.397685][   T10]      inet6_addr_add+0x12f/0xa40
[  468.397685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.397685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.397685][   T10]      netlink_rcv_skb+0x130/0x360
[  468.397685][   T10]      netlink_unicast+0x449/0x710
[  468.397685][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.397685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.397685][   T10]      ___sys_sendmsg+0xee/0x170
[  468.397685][   T10]      __sys_sendmsg+0xcd/0x170
[  468.397685][   T10]      do_syscall_64+0xc6/0x1e0
[  468.397685][   T10] 
[  468.399750][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.399750][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  468.399750][   T10]      ipv6_find_idev+0x102/0x170
[  468.399750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.399750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.399750][   T10]      netlink_rcv_skb+0x130/0x360
[  468.399750][   T10]      netlink_unicast+0x449/0x710
[  468.399750][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.399750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.399750][   T10]      ___sys_sendmsg+0xee/0x170
[  468.399750][   T10]      __sys_sendmsg+0xcd/0x170
[  468.399750][   T10]      do_syscall_64+0xc6/0x1e0
[  468.399750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.399750][   T10] 
[  468.401572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  468.401572][   T10]      neigh_parms_alloc+0x1e5/0x510
[  468.401572][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  468.401572][   T10]      ipv6_find_idev+0x102/0x170
[  468.401572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.401572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.401572][   T10]      netlink_rcv_skb+0x130/0x360
[  468.401572][   T10]      netlink_unicast+0x449/0x710
[  468.401572][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.401572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.401572][   T10]      ___sys_sendmsg+0xee/0x170
[  468.401572][   T10]      __sys_sendmsg+0xcd/0x170
[  468.401572][   T10]      do_syscall_64+0xc6/0x1e0
[  468.401572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.401572][   T10] 
[  468.403572][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  468.403847][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  468.403847][   T10]      netdev_get_by_index+0x5e/0x80
[  468.403847][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.403847][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.403847][   T10]      ip6_route_add+0x1c/0x140
[  468.403847][   T10]      addrconf_prefix_route+0x2a6/0x430
[  468.403847][   T10]      inet6_addr_add+0x4f8/0xa40
[  468.403847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.403847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.403847][   T10]      netlink_rcv_skb+0x130/0x360
[  468.403847][   T10]      netlink_unicast+0x449/0x710
[  468.403847][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.403847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.403847][   T10]      ___sys_sendmsg+0xee/0x170
[  468.403847][   T10]      __sys_sendmsg+0xcd/0x170
[  468.403847][   T10]      do_syscall_64+0xc6/0x1e0
[  468.403847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.403847][   T10] 
[  468.406126][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  468.406126][   T10]      netdev_get_by_index+0x5e/0x80
[  468.406126][   T10]      fib6_nh_init+0x3d8/0x1580
[  468.406126][   T10]      ip6_route_info_create+0xf18/0x17d0
[  468.406126][   T10]      addrconf_f6i_alloc+0x315/0x560
[  468.406126][   T10]      ipv6_add_addr+0x411/0x2000
[  468.406126][   T10]      inet6_addr_add+0x30e/0xa40
[  468.406126][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  468.406126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.406126][   T10]      netlink_rcv_skb+0x130/0x360
[  468.406126][   T10]      netlink_unicast+0x449/0x710
[  468.406126][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.406126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.406126][   T10]      ___sys_sendmsg+0xee/0x170
[  468.406126][   T10]      __sys_sendmsg+0xcd/0x170
[  468.406126][   T10]      do_syscall_64+0xc6/0x1e0
[  468.406126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.406126][   T10] 
[  468.408354][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  468.408354][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  468.408354][   T10]      ipv6_find_idev+0x102/0x170
[  468.408354][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.408354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.408354][   T10]      netlink_rcv_skb+0x130/0x360
[  468.408354][   T10]      netlink_unicast+0x449/0x710
[  468.408354][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.408354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.408354][   T10]      ___sys_sendmsg+0xee/0x170
[  468.408354][   T10]      __sys_sendmsg+0xcd/0x170
[  468.408354][   T10]      do_syscall_64+0xc6/0x1e0
[  468.408354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.408354][   T10] 
[  468.410223][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  468.410223][   T10]      neigh_parms_alloc+0x1e5/0x510
[  468.410223][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  468.410223][   T10]      ipv6_find_idev+0x102/0x170
[  468.410223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  468.410223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  468.410223][   T10]      netlink_rcv_skb+0x130/0x360
[  468.410223][   T10]      netlink_unicast+0x449/0x710
[  468.410223][   T10]      netlink_sendmsg+0x723/0xbe0
[  468.410223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  468.410223][   T10]      ___sys_sendmsg+0xee/0x170
[  468.410223][   T10]      __sys_sendmsg+0xcd/0x170
[  468.410223][   T10]      do_syscall_64+0xc6/0x1e0
[  468.410223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  468.410223][   T10] 
[  471.707694][ T3470] veth0: renamed from veth1
[  475.739270][ T3498] br0: port 1(vx0) entered blocking state
[  475.739526][ T3498] br0: port 1(vx0) entered disabled state
[  475.740533][ T3498] vx0: entered allmulticast mode
[  475.741732][ T3498] vx0: entered promiscuous mode
[  475.743578][ T3498] br0: port 1(vx0) entered blocking state
[  475.743760][ T3498] br0: port 1(vx0) entered forwarding state
[  478.505607][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  478.505936][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.505936][   T10]      dst_init+0x84/0x4a0
[  478.505936][   T10]      dst_alloc+0x97/0x150
[  478.505936][   T10]      ip6_dst_alloc+0x23/0x90
[  478.505936][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  478.505936][   T10]      ip6_pol_route+0x56f/0x840
[  478.505936][   T10]      fib6_rule_lookup+0x456/0x630
[  478.505936][   T10]      ip6_route_input+0x59c/0xa50
[  478.505936][   T10]      ipv6_rcv+0x397/0x810
[  478.505936][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  478.505936][   T10]      process_backlog+0x101/0x620
[  478.505936][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  478.505936][   T10]      net_rx_action+0x495/0xbe0
[  478.505936][   T10]      __do_softirq+0x1b5/0x7f6
[  478.505936][   T10] 
[  478.507805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.507805][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  478.507805][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  478.507805][   T10]      fib6_nh_init+0xa22/0x1580
[  478.507805][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.507805][   T10]      ip6_route_add+0x1c/0x140
[  478.507805][   T10]      inet6_rtm_newroute+0x104/0x110
[  478.507805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.507805][   T10]      netlink_rcv_skb+0x130/0x360
[  478.507805][   T10]      netlink_unicast+0x449/0x710
[  478.507805][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.507805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.507805][   T10]      ___sys_sendmsg+0xee/0x170
[  478.507805][   T10]      __sys_sendmsg+0xcd/0x170
[  478.507805][   T10]      do_syscall_64+0xc6/0x1e0
[  478.507805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.507805][   T10] 
[  478.509995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.509995][   T10]      netdev_get_by_index+0x5e/0x80
[  478.509995][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.509995][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.509995][   T10]      addrconf_f6i_alloc+0x265/0x560
[  478.509995][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  478.509995][   T10]      addrconf_join_anycast+0x1c0/0x220
[  478.509995][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  478.509995][   T10]      addrconf_dad_completed+0x12b/0xe20
[  478.509995][   T10]      addrconf_dad_begin+0x310/0x670
[  478.509995][   T10]      addrconf_dad_work+0x10b/0xab0
[  478.509995][   T10]      process_one_work+0x84d/0x18a0
[  478.509995][   T10]      worker_thread+0x587/0xd30
[  478.509995][   T10]      kthread+0x28a/0x350
[  478.509995][   T10]      ret_from_fork+0x31/0x70
[  478.509995][   T10]      ret_from_fork_asm+0x1a/0x30
[  478.509995][   T10] 
[  478.512218][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.512218][   T10]      netdev_get_by_index+0x5e/0x80
[  478.512218][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.512218][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.512218][   T10]      ip6_route_add+0x1c/0x140
[  478.512218][   T10]      addrconf_prefix_route+0x2a6/0x430
[  478.512218][   T10]      inet6_addr_add+0x4f8/0xa40
[  478.512218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.512218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.512218][   T10]      netlink_rcv_skb+0x130/0x360
[  478.512218][   T10]      netlink_unicast+0x449/0x710
[  478.512218][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.512218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.512218][   T10]      ___sys_sendmsg+0xee/0x170
[  478.512218][   T10]      __sys_sendmsg+0xcd/0x170
[  478.512218][   T10]      do_syscall_64+0xc6/0x1e0
[  478.512218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.512218][   T10] 
[  478.514557][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.514557][   T10]      netdev_get_by_index+0x5e/0x80
[  478.514557][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.514557][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.514557][   T10]      addrconf_f6i_alloc+0x315/0x560
[  478.514557][   T10]      ipv6_add_addr+0x411/0x2000
[  478.514557][   T10]      inet6_addr_add+0x30e/0xa40
[  478.514557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.514557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.514557][   T10]      netlink_rcv_skb+0x130/0x360
[  478.514557][   T10]      netlink_unicast+0x449/0x710
[  478.514557][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.514557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.514557][   T10]      ___sys_sendmsg+0xee/0x170
[  478.514557][   T10]      __sys_sendmsg+0xcd/0x170
[  478.514557][   T10]      do_syscall_64+0xc6/0x1e0
[  478.514557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.514557][   T10] 
[  478.516812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.516812][   T10]      netdev_get_by_index+0x5e/0x80
[  478.516812][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.516812][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.516812][   T10]      ip6_route_add+0x1c/0x140
[  478.516812][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  478.516812][   T10]      addrconf_add_dev+0xe2/0x170
[  478.516812][   T10]      inet6_addr_add+0x12f/0xa40
[  478.516812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.516812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.516812][   T10]      netlink_rcv_skb+0x130/0x360
[  478.516812][   T10]      netlink_unicast+0x449/0x710
[  478.516812][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.516812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.516812][   T10]      ___sys_sendmsg+0xee/0x170
[  478.516812][   T10]      __sys_sendmsg+0xcd/0x170
[  478.516812][   T10]      do_syscall_64+0xc6/0x1e0
[  478.516812][   T10] 
[  478.519263][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.519263][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  478.519263][   T10]      ipv6_find_idev+0x102/0x170
[  478.519263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.519263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.519263][   T10]      netlink_rcv_skb+0x130/0x360
[  478.519263][   T10]      netlink_unicast+0x449/0x710
[  478.519263][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.519263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.519263][   T10]      ___sys_sendmsg+0xee/0x170
[  478.519263][   T10]      __sys_sendmsg+0xcd/0x170
[  478.519263][   T10]      do_syscall_64+0xc6/0x1e0
[  478.519263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.519263][   T10] 
[  478.521222][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  478.521222][   T10]      neigh_parms_alloc+0x1e5/0x510
[  478.521222][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  478.521222][   T10]      ipv6_find_idev+0x102/0x170
[  478.521222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.521222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.521222][   T10]      netlink_rcv_skb+0x130/0x360
[  478.521222][   T10]      netlink_unicast+0x449/0x710
[  478.521222][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.521222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.521222][   T10]      ___sys_sendmsg+0xee/0x170
[  478.521222][   T10]      __sys_sendmsg+0xcd/0x170
[  478.521222][   T10]      do_syscall_64+0xc6/0x1e0
[  478.521222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.521222][   T10] 
[  478.523936][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  478.524263][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.524263][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  478.524263][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  478.524263][   T10]      fib6_nh_init+0xa22/0x1580
[  478.524263][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.524263][   T10]      ip6_route_add+0x1c/0x140
[  478.524263][   T10]      inet6_rtm_newroute+0x104/0x110
[  478.524263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.524263][   T10]      netlink_rcv_skb+0x130/0x360
[  478.524263][   T10]      netlink_unicast+0x449/0x710
[  478.524263][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.524263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.524263][   T10]      ___sys_sendmsg+0xee/0x170
[  478.524263][   T10]      __sys_sendmsg+0xcd/0x170
[  478.524263][   T10]      do_syscall_64+0xc6/0x1e0
[  478.524263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.524263][   T10] 
[  478.526353][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.526353][   T10]      dst_init+0x84/0x4a0
[  478.526353][   T10]      dst_alloc+0x97/0x150
[  478.526353][   T10]      ip6_dst_alloc+0x23/0x90
[  478.526353][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  478.526353][   T10]      ip6_pol_route+0x56f/0x840
[  478.526353][   T10]      fib6_rule_lookup+0x456/0x630
[  478.526353][   T10]      ip6_route_input+0x59c/0xa50
[  478.526353][   T10]      ipv6_rcv+0x397/0x810
[  478.526353][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  478.526353][   T10]      process_backlog+0x101/0x620
[  478.526353][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  478.526353][   T10]      net_rx_action+0x495/0xbe0
[  478.526353][   T10]      __do_softirq+0x1b5/0x7f6
[  478.526353][   T10] 
[  478.528377][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.528377][   T10]      netdev_get_by_index+0x5e/0x80
[  478.528377][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.528377][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.528377][   T10]      addrconf_f6i_alloc+0x265/0x560
[  478.528377][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  478.528377][   T10]      addrconf_join_anycast+0x1c0/0x220
[  478.528377][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  478.528377][   T10]      addrconf_dad_completed+0x12b/0xe20
[  478.528377][   T10]      addrconf_dad_begin+0x310/0x670
[  478.528377][   T10]      addrconf_dad_work+0x10b/0xab0
[  478.528377][   T10]      process_one_work+0x84d/0x18a0
[  478.528377][   T10]      worker_thread+0x587/0xd30
[  478.528377][   T10]      kthread+0x28a/0x350
[  478.528377][   T10]      ret_from_fork+0x31/0x70
[  478.528377][   T10]      ret_from_fork_asm+0x1a/0x30
[  478.528377][   T10] 
[  478.530773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.530773][   T10]      netdev_get_by_index+0x5e/0x80
[  478.530773][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.530773][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.530773][   T10]      ip6_route_add+0x1c/0x140
[  478.530773][   T10]      addrconf_prefix_route+0x2a6/0x430
[  478.530773][   T10]      inet6_addr_add+0x4f8/0xa40
[  478.530773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.530773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.530773][   T10]      netlink_rcv_skb+0x130/0x360
[  478.530773][   T10]      netlink_unicast+0x449/0x710
[  478.530773][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.530773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.530773][   T10]      ___sys_sendmsg+0xee/0x170
[  478.530773][   T10]      __sys_sendmsg+0xcd/0x170
[  478.530773][   T10]      do_syscall_64+0xc6/0x1e0
[  478.530773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.530773][   T10] 
[  478.533125][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.533125][   T10]      netdev_get_by_index+0x5e/0x80
[  478.533125][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.533125][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.533125][   T10]      addrconf_f6i_alloc+0x315/0x560
[  478.533125][   T10]      ipv6_add_addr+0x411/0x2000
[  478.533125][   T10]      inet6_addr_add+0x30e/0xa40
[  478.533125][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.533125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.533125][   T10]      netlink_rcv_skb+0x130/0x360
[  478.533125][   T10]      netlink_unicast+0x449/0x710
[  478.533125][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.533125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.533125][   T10]      ___sys_sendmsg+0xee/0x170
[  478.533125][   T10]      __sys_sendmsg+0xcd/0x170
[  478.533125][   T10]      do_syscall_64+0xc6/0x1e0
[  478.533125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.533125][   T10] 
[  478.535622][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.535622][   T10]      netdev_get_by_index+0x5e/0x80
[  478.535622][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.535622][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.535622][   T10]      ip6_route_add+0x1c/0x140
[  478.535622][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  478.535622][   T10]      addrconf_add_dev+0xe2/0x170
[  478.535622][   T10]      inet6_addr_add+0x12f/0xa40
[  478.535622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.535622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.535622][   T10]      netlink_rcv_skb+0x130/0x360
[  478.535622][   T10]      netlink_unicast+0x449/0x710
[  478.535622][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.535622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.535622][   T10]      ___sys_sendmsg+0xee/0x170
[  478.535622][   T10]      __sys_sendmsg+0xcd/0x170
[  478.535622][   T10]      do_syscall_64+0xc6/0x1e0
[  478.535622][   T10] 
[  478.538082][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.538082][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  478.538082][   T10]      ipv6_find_idev+0x102/0x170
[  478.538082][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.538082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.538082][   T10]      netlink_rcv_skb+0x130/0x360
[  478.538082][   T10]      netlink_unicast+0x449/0x710
[  478.538082][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.538082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.538082][   T10]      ___sys_sendmsg+0xee/0x170
[  478.538082][   T10]      __sys_sendmsg+0xcd/0x170
[  478.538082][   T10]      do_syscall_64+0xc6/0x1e0
[  478.538082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.538082][   T10] 
[  478.539940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  478.539940][   T10]      neigh_parms_alloc+0x1e5/0x510
[  478.539940][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  478.539940][   T10]      ipv6_find_idev+0x102/0x170
[  478.539940][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.539940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.539940][   T10]      netlink_rcv_skb+0x130/0x360
[  478.539940][   T10]      netlink_unicast+0x449/0x710
[  478.539940][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.539940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.539940][   T10]      ___sys_sendmsg+0xee/0x170
[  478.539940][   T10]      __sys_sendmsg+0xcd/0x170
[  478.539940][   T10]      do_syscall_64+0xc6/0x1e0
[  478.539940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.539940][   T10] 
[  478.541936][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  478.542274][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  478.542274][   T10]      netdev_get_by_index+0x5e/0x80
[  478.542274][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.542274][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.542274][   T10]      ip6_route_add+0x1c/0x140
[  478.542274][   T10]      addrconf_prefix_route+0x2a6/0x430
[  478.542274][   T10]      inet6_addr_add+0x4f8/0xa40
[  478.542274][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.542274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.542274][   T10]      netlink_rcv_skb+0x130/0x360
[  478.542274][   T10]      netlink_unicast+0x449/0x710
[  478.542274][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.542274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.542274][   T10]      ___sys_sendmsg+0xee/0x170
[  478.542274][   T10]      __sys_sendmsg+0xcd/0x170
[  478.542274][   T10]      do_syscall_64+0xc6/0x1e0
[  478.542274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.542274][   T10] 
[  478.544895][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  478.544895][   T10]      netdev_get_by_index+0x5e/0x80
[  478.544895][   T10]      fib6_nh_init+0x3d8/0x1580
[  478.544895][   T10]      ip6_route_info_create+0xf18/0x17d0
[  478.544895][   T10]      addrconf_f6i_alloc+0x315/0x560
[  478.544895][   T10]      ipv6_add_addr+0x411/0x2000
[  478.544895][   T10]      inet6_addr_add+0x30e/0xa40
[  478.544895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  478.544895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.544895][   T10]      netlink_rcv_skb+0x130/0x360
[  478.544895][   T10]      netlink_unicast+0x449/0x710
[  478.544895][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.544895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.544895][   T10]      ___sys_sendmsg+0xee/0x170
[  478.544895][   T10]      __sys_sendmsg+0xcd/0x170
[  478.544895][   T10]      do_syscall_64+0xc6/0x1e0
[  478.544895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.544895][   T10] 
[  478.547333][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  478.547333][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  478.547333][   T10]      ipv6_find_idev+0x102/0x170
[  478.547333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.547333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.547333][   T10]      netlink_rcv_skb+0x130/0x360
[  478.547333][   T10]      netlink_unicast+0x449/0x710
[  478.547333][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.547333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.547333][   T10]      ___sys_sendmsg+0xee/0x170
[  478.547333][   T10]      __sys_sendmsg+0xcd/0x170
[  478.547333][   T10]      do_syscall_64+0xc6/0x1e0
[  478.547333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.547333][   T10] 
[  478.549291][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  478.549291][   T10]      neigh_parms_alloc+0x1e5/0x510
[  478.549291][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  478.549291][   T10]      ipv6_find_idev+0x102/0x170
[  478.549291][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  478.549291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  478.549291][   T10]      netlink_rcv_skb+0x130/0x360
[  478.549291][   T10]      netlink_unicast+0x449/0x710
[  478.549291][   T10]      netlink_sendmsg+0x723/0xbe0
[  478.549291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  478.549291][   T10]      ___sys_sendmsg+0xee/0x170
[  478.549291][   T10]      __sys_sendmsg+0xcd/0x170
[  478.549291][   T10]      do_syscall_64+0xc6/0x1e0
[  478.549291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  478.549291][   T10] 
[  481.720823][ T3528] br0: port 1(vx0) entered blocking state
[  481.721226][ T3528] br0: port 1(vx0) entered disabled state
[  481.721571][ T3528] vx0: entered allmulticast mode
[  481.723816][ T3528] vx0: entered promiscuous mode
[  481.727252][ T3528] br0: port 1(vx0) entered blocking state
[  481.727675][ T3528] br0: port 1(vx0) entered forwarding state
[  487.089388][ T3559] veth0: renamed from veth1
[  488.681610][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  488.681929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.681929][   T10]      dst_init+0x84/0x4a0
[  488.681929][   T10]      dst_alloc+0x97/0x150
[  488.681929][   T10]      ip6_dst_alloc+0x23/0x90
[  488.681929][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  488.681929][   T10]      ip6_pol_route+0x56f/0x840
[  488.681929][   T10]      fib6_rule_lookup+0x456/0x630
[  488.681929][   T10]      ip6_route_input+0x59c/0xa50
[  488.681929][   T10]      ipv6_rcv+0x397/0x810
[  488.681929][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  488.681929][   T10]      process_backlog+0x101/0x620
[  488.681929][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  488.681929][   T10]      net_rx_action+0x495/0xbe0
[  488.681929][   T10]      __do_softirq+0x1b5/0x7f6
[  488.681929][   T10] 
[  488.683665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.683665][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  488.683665][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  488.683665][   T10]      fib6_nh_init+0xa22/0x1580
[  488.683665][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.683665][   T10]      ip6_route_add+0x1c/0x140
[  488.683665][   T10]      inet6_rtm_newroute+0x104/0x110
[  488.683665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.683665][   T10]      netlink_rcv_skb+0x130/0x360
[  488.683665][   T10]      netlink_unicast+0x449/0x710
[  488.683665][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.683665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.683665][   T10]      ___sys_sendmsg+0xee/0x170
[  488.683665][   T10]      __sys_sendmsg+0xcd/0x170
[  488.683665][   T10]      do_syscall_64+0xc6/0x1e0
[  488.683665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.683665][   T10] 
[  488.685611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.685611][   T10]      netdev_get_by_index+0x5e/0x80
[  488.685611][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.685611][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.685611][   T10]      addrconf_f6i_alloc+0x265/0x560
[  488.685611][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  488.685611][   T10]      addrconf_join_anycast+0x1c0/0x220
[  488.685611][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  488.685611][   T10]      addrconf_dad_completed+0x12b/0xe20
[  488.685611][   T10]      addrconf_dad_begin+0x310/0x670
[  488.685611][   T10]      addrconf_dad_work+0x10b/0xab0
[  488.685611][   T10]      process_one_work+0x84d/0x18a0
[  488.685611][   T10]      worker_thread+0x587/0xd30
[  488.685611][   T10]      kthread+0x28a/0x350
[  488.685611][   T10]      ret_from_fork+0x31/0x70
[  488.685611][   T10]      ret_from_fork_asm+0x1a/0x30
[  488.685611][   T10] 
[  488.687563][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.687563][   T10]      netdev_get_by_index+0x5e/0x80
[  488.687563][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.687563][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.687563][   T10]      ip6_route_add+0x1c/0x140
[  488.687563][   T10]      addrconf_prefix_route+0x2a6/0x430
[  488.687563][   T10]      inet6_addr_add+0x4f8/0xa40
[  488.687563][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.687563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.687563][   T10]      netlink_rcv_skb+0x130/0x360
[  488.687563][   T10]      netlink_unicast+0x449/0x710
[  488.687563][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.687563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.687563][   T10]      ___sys_sendmsg+0xee/0x170
[  488.687563][   T10]      __sys_sendmsg+0xcd/0x170
[  488.687563][   T10]      do_syscall_64+0xc6/0x1e0
[  488.687563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.687563][   T10] 
[  488.689621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.689621][   T10]      netdev_get_by_index+0x5e/0x80
[  488.689621][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.689621][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.689621][   T10]      addrconf_f6i_alloc+0x315/0x560
[  488.689621][   T10]      ipv6_add_addr+0x411/0x2000
[  488.689621][   T10]      inet6_addr_add+0x30e/0xa40
[  488.689621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.689621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.689621][   T10]      netlink_rcv_skb+0x130/0x360
[  488.689621][   T10]      netlink_unicast+0x449/0x710
[  488.689621][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.689621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.689621][   T10]      ___sys_sendmsg+0xee/0x170
[  488.689621][   T10]      __sys_sendmsg+0xcd/0x170
[  488.689621][   T10]      do_syscall_64+0xc6/0x1e0
[  488.689621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.689621][   T10] 
[  488.691673][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.691673][   T10]      netdev_get_by_index+0x5e/0x80
[  488.691673][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.691673][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.691673][   T10]      ip6_route_add+0x1c/0x140
[  488.691673][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  488.691673][   T10]      addrconf_add_dev+0xe2/0x170
[  488.691673][   T10]      inet6_addr_add+0x12f/0xa40
[  488.691673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.691673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.691673][   T10]      netlink_rcv_skb+0x130/0x360
[  488.691673][   T10]      netlink_unicast+0x449/0x710
[  488.691673][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.691673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.691673][   T10]      ___sys_sendmsg+0xee/0x170
[  488.691673][   T10]      __sys_sendmsg+0xcd/0x170
[  488.691673][   T10]      do_syscall_64+0xc6/0x1e0
[  488.691673][   T10] 
[  488.693810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.693810][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  488.693810][   T10]      ipv6_find_idev+0x102/0x170
[  488.693810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.693810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.693810][   T10]      netlink_rcv_skb+0x130/0x360
[  488.693810][   T10]      netlink_unicast+0x449/0x710
[  488.693810][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.693810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.693810][   T10]      ___sys_sendmsg+0xee/0x170
[  488.693810][   T10]      __sys_sendmsg+0xcd/0x170
[  488.693810][   T10]      do_syscall_64+0xc6/0x1e0
[  488.693810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.693810][   T10] 
[  488.695591][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  488.695591][   T10]      neigh_parms_alloc+0x1e5/0x510
[  488.695591][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  488.695591][   T10]      ipv6_find_idev+0x102/0x170
[  488.695591][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.695591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.695591][   T10]      netlink_rcv_skb+0x130/0x360
[  488.695591][   T10]      netlink_unicast+0x449/0x710
[  488.695591][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.695591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.695591][   T10]      ___sys_sendmsg+0xee/0x170
[  488.695591][   T10]      __sys_sendmsg+0xcd/0x170
[  488.695591][   T10]      do_syscall_64+0xc6/0x1e0
[  488.695591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.695591][   T10] 
[  488.697466][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  488.697749][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.697749][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  488.697749][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  488.697749][   T10]      fib6_nh_init+0xa22/0x1580
[  488.697749][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.697749][   T10]      ip6_route_add+0x1c/0x140
[  488.697749][   T10]      inet6_rtm_newroute+0x104/0x110
[  488.697749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.697749][   T10]      netlink_rcv_skb+0x130/0x360
[  488.697749][   T10]      netlink_unicast+0x449/0x710
[  488.697749][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.697749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.697749][   T10]      ___sys_sendmsg+0xee/0x170
[  488.697749][   T10]      __sys_sendmsg+0xcd/0x170
[  488.697749][   T10]      do_syscall_64+0xc6/0x1e0
[  488.697749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.697749][   T10] 
[  488.699685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.699685][   T10]      dst_init+0x84/0x4a0
[  488.699685][   T10]      dst_alloc+0x97/0x150
[  488.699685][   T10]      ip6_dst_alloc+0x23/0x90
[  488.699685][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  488.699685][   T10]      ip6_pol_route+0x56f/0x840
[  488.699685][   T10]      fib6_rule_lookup+0x456/0x630
[  488.699685][   T10]      ip6_route_input+0x59c/0xa50
[  488.699685][   T10]      ipv6_rcv+0x397/0x810
[  488.699685][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  488.699685][   T10]      process_backlog+0x101/0x620
[  488.699685][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  488.699685][   T10]      net_rx_action+0x495/0xbe0
[  488.699685][   T10]      __do_softirq+0x1b5/0x7f6
[  488.699685][   T10] 
[  488.701510][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.701510][   T10]      netdev_get_by_index+0x5e/0x80
[  488.701510][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.701510][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.701510][   T10]      addrconf_f6i_alloc+0x265/0x560
[  488.701510][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  488.701510][   T10]      addrconf_join_anycast+0x1c0/0x220
[  488.701510][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  488.701510][   T10]      addrconf_dad_completed+0x12b/0xe20
[  488.701510][   T10]      addrconf_dad_begin+0x310/0x670
[  488.701510][   T10]      addrconf_dad_work+0x10b/0xab0
[  488.701510][   T10]      process_one_work+0x84d/0x18a0
[  488.701510][   T10]      worker_thread+0x587/0xd30
[  488.701510][   T10]      kthread+0x28a/0x350
[  488.701510][   T10]      ret_from_fork+0x31/0x70
[  488.701510][   T10]      ret_from_fork_asm+0x1a/0x30
[  488.701510][   T10] 
[  488.703695][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.703695][   T10]      netdev_get_by_index+0x5e/0x80
[  488.703695][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.703695][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.703695][   T10]      ip6_route_add+0x1c/0x140
[  488.703695][   T10]      addrconf_prefix_route+0x2a6/0x430
[  488.703695][   T10]      inet6_addr_add+0x4f8/0xa40
[  488.703695][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.703695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.703695][   T10]      netlink_rcv_skb+0x130/0x360
[  488.703695][   T10]      netlink_unicast+0x449/0x710
[  488.703695][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.703695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.703695][   T10]      ___sys_sendmsg+0xee/0x170
[  488.703695][   T10]      __sys_sendmsg+0xcd/0x170
[  488.703695][   T10]      do_syscall_64+0xc6/0x1e0
[  488.703695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.703695][   T10] 
[  488.705994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.705994][   T10]      netdev_get_by_index+0x5e/0x80
[  488.705994][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.705994][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.705994][   T10]      addrconf_f6i_alloc+0x315/0x560
[  488.705994][   T10]      ipv6_add_addr+0x411/0x2000
[  488.705994][   T10]      inet6_addr_add+0x30e/0xa40
[  488.705994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.705994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.705994][   T10]      netlink_rcv_skb+0x130/0x360
[  488.705994][   T10]      netlink_unicast+0x449/0x710
[  488.705994][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.705994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.705994][   T10]      ___sys_sendmsg+0xee/0x170
[  488.705994][   T10]      __sys_sendmsg+0xcd/0x170
[  488.705994][   T10]      do_syscall_64+0xc6/0x1e0
[  488.705994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.705994][   T10] 
[  488.708233][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.708233][   T10]      netdev_get_by_index+0x5e/0x80
[  488.708233][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.708233][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.708233][   T10]      ip6_route_add+0x1c/0x140
[  488.708233][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  488.708233][   T10]      addrconf_add_dev+0xe2/0x170
[  488.708233][   T10]      inet6_addr_add+0x12f/0xa40
[  488.708233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.708233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.708233][   T10]      netlink_rcv_skb+0x130/0x360
[  488.708233][   T10]      netlink_unicast+0x449/0x710
[  488.708233][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.708233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.708233][   T10]      ___sys_sendmsg+0xee/0x170
[  488.708233][   T10]      __sys_sendmsg+0xcd/0x170
[  488.708233][   T10]      do_syscall_64+0xc6/0x1e0
[  488.708233][   T10] 
[  488.710378][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.710378][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  488.710378][   T10]      ipv6_find_idev+0x102/0x170
[  488.710378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.710378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.710378][   T10]      netlink_rcv_skb+0x130/0x360
[  488.710378][   T10]      netlink_unicast+0x449/0x710
[  488.710378][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.710378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.710378][   T10]      ___sys_sendmsg+0xee/0x170
[  488.710378][   T10]      __sys_sendmsg+0xcd/0x170
[  488.710378][   T10]      do_syscall_64+0xc6/0x1e0
[  488.710378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.710378][   T10] 
[  488.712253][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  488.712253][   T10]      neigh_parms_alloc+0x1e5/0x510
[  488.712253][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  488.712253][   T10]      ipv6_find_idev+0x102/0x170
[  488.712253][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.712253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.712253][   T10]      netlink_rcv_skb+0x130/0x360
[  488.712253][   T10]      netlink_unicast+0x449/0x710
[  488.712253][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.712253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.712253][   T10]      ___sys_sendmsg+0xee/0x170
[  488.712253][   T10]      __sys_sendmsg+0xcd/0x170
[  488.712253][   T10]      do_syscall_64+0xc6/0x1e0
[  488.712253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.712253][   T10] 
[  488.714211][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  488.714454][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  488.714454][   T10]      netdev_get_by_index+0x5e/0x80
[  488.714454][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.714454][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.714454][   T10]      ip6_route_add+0x1c/0x140
[  488.714454][   T10]      addrconf_prefix_route+0x2a6/0x430
[  488.714454][   T10]      inet6_addr_add+0x4f8/0xa40
[  488.714454][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.714454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.714454][   T10]      netlink_rcv_skb+0x130/0x360
[  488.714454][   T10]      netlink_unicast+0x449/0x710
[  488.714454][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.714454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.714454][   T10]      ___sys_sendmsg+0xee/0x170
[  488.714454][   T10]      __sys_sendmsg+0xcd/0x170
[  488.714454][   T10]      do_syscall_64+0xc6/0x1e0
[  488.714454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.714454][   T10] 
[  488.716794][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  488.716794][   T10]      netdev_get_by_index+0x5e/0x80
[  488.716794][   T10]      fib6_nh_init+0x3d8/0x1580
[  488.716794][   T10]      ip6_route_info_create+0xf18/0x17d0
[  488.716794][   T10]      addrconf_f6i_alloc+0x315/0x560
[  488.716794][   T10]      ipv6_add_addr+0x411/0x2000
[  488.716794][   T10]      inet6_addr_add+0x30e/0xa40
[  488.716794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  488.716794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.716794][   T10]      netlink_rcv_skb+0x130/0x360
[  488.716794][   T10]      netlink_unicast+0x449/0x710
[  488.716794][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.716794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.716794][   T10]      ___sys_sendmsg+0xee/0x170
[  488.716794][   T10]      __sys_sendmsg+0xcd/0x170
[  488.716794][   T10]      do_syscall_64+0xc6/0x1e0
[  488.716794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.716794][   T10] 
[  488.718978][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  488.718978][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  488.718978][   T10]      ipv6_find_idev+0x102/0x170
[  488.718978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.718978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.718978][   T10]      netlink_rcv_skb+0x130/0x360
[  488.718978][   T10]      netlink_unicast+0x449/0x710
[  488.718978][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.718978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.718978][   T10]      ___sys_sendmsg+0xee/0x170
[  488.718978][   T10]      __sys_sendmsg+0xcd/0x170
[  488.718978][   T10]      do_syscall_64+0xc6/0x1e0
[  488.718978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.718978][   T10] 
[  488.720763][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  488.720763][   T10]      neigh_parms_alloc+0x1e5/0x510
[  488.720763][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  488.720763][   T10]      ipv6_find_idev+0x102/0x170
[  488.720763][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  488.720763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  488.720763][   T10]      netlink_rcv_skb+0x130/0x360
[  488.720763][   T10]      netlink_unicast+0x449/0x710
[  488.720763][   T10]      netlink_sendmsg+0x723/0xbe0
[  488.720763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  488.720763][   T10]      ___sys_sendmsg+0xee/0x170
[  488.720763][   T10]      __sys_sendmsg+0xcd/0x170
[  488.720763][   T10]      do_syscall_64+0xc6/0x1e0
[  488.720763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  488.720763][   T10] 
[  491.066779][ T3586] br0: port 1(vx0) entered blocking state
[  491.067071][ T3586] br0: port 1(vx0) entered disabled state
[  491.067255][ T3586] vx0: entered allmulticast mode
[  491.068451][ T3586] vx0: entered promiscuous mode
[  491.071172][ T3586] br0: port 1(vx0) entered blocking state
[  491.071352][ T3586] br0: port 1(vx0) entered forwarding state
[  496.624664][ T3616] br0: port 1(vx0) entered blocking state
[  496.624927][ T3616] br0: port 1(vx0) entered disabled state
[  496.625109][ T3616] vx0: entered allmulticast mode
[  496.626302][ T3616] vx0: entered promiscuous mode
[  496.628151][ T3616] br0: port 1(vx0) entered blocking state
[  496.628313][ T3616] br0: port 1(vx0) entered forwarding state
[  498.856688][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  498.857084][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.857084][   T10]      dst_init+0x84/0x4a0
[  498.857084][   T10]      dst_alloc+0x97/0x150
[  498.857084][   T10]      ip6_dst_alloc+0x23/0x90
[  498.857084][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  498.857084][   T10]      ip6_pol_route+0x56f/0x840
[  498.857084][   T10]      fib6_rule_lookup+0x456/0x630
[  498.857084][   T10]      ip6_route_input+0x59c/0xa50
[  498.857084][   T10]      ipv6_rcv+0x397/0x810
[  498.857084][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  498.857084][   T10]      process_backlog+0x101/0x620
[  498.857084][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  498.857084][   T10]      net_rx_action+0x495/0xbe0
[  498.857084][   T10]      __do_softirq+0x1b5/0x7f6
[  498.857084][   T10] 
[  498.858833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.858833][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  498.858833][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  498.858833][   T10]      fib6_nh_init+0xa22/0x1580
[  498.858833][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.858833][   T10]      ip6_route_add+0x1c/0x140
[  498.858833][   T10]      inet6_rtm_newroute+0x104/0x110
[  498.858833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.858833][   T10]      netlink_rcv_skb+0x130/0x360
[  498.858833][   T10]      netlink_unicast+0x449/0x710
[  498.858833][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.858833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.858833][   T10]      ___sys_sendmsg+0xee/0x170
[  498.858833][   T10]      __sys_sendmsg+0xcd/0x170
[  498.858833][   T10]      do_syscall_64+0xc6/0x1e0
[  498.858833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.858833][   T10] 
[  498.860889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.860889][   T10]      netdev_get_by_index+0x5e/0x80
[  498.860889][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.860889][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.860889][   T10]      addrconf_f6i_alloc+0x265/0x560
[  498.860889][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  498.860889][   T10]      addrconf_join_anycast+0x1c0/0x220
[  498.860889][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  498.860889][   T10]      addrconf_dad_completed+0x12b/0xe20
[  498.860889][   T10]      addrconf_dad_begin+0x310/0x670
[  498.860889][   T10]      addrconf_dad_work+0x10b/0xab0
[  498.860889][   T10]      process_one_work+0x84d/0x18a0
[  498.860889][   T10]      worker_thread+0x587/0xd30
[  498.860889][   T10]      kthread+0x28a/0x350
[  498.860889][   T10]      ret_from_fork+0x31/0x70
[  498.860889][   T10]      ret_from_fork_asm+0x1a/0x30
[  498.860889][   T10] 
[  498.862889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.862889][   T10]      netdev_get_by_index+0x5e/0x80
[  498.862889][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.862889][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.862889][   T10]      ip6_route_add+0x1c/0x140
[  498.862889][   T10]      addrconf_prefix_route+0x2a6/0x430
[  498.862889][   T10]      inet6_addr_add+0x4f8/0xa40
[  498.862889][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.862889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.862889][   T10]      netlink_rcv_skb+0x130/0x360
[  498.862889][   T10]      netlink_unicast+0x449/0x710
[  498.862889][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.862889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.862889][   T10]      ___sys_sendmsg+0xee/0x170
[  498.862889][   T10]      __sys_sendmsg+0xcd/0x170
[  498.862889][   T10]      do_syscall_64+0xc6/0x1e0
[  498.862889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.862889][   T10] 
[  498.864933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.864933][   T10]      netdev_get_by_index+0x5e/0x80
[  498.864933][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.864933][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.864933][   T10]      addrconf_f6i_alloc+0x315/0x560
[  498.864933][   T10]      ipv6_add_addr+0x411/0x2000
[  498.864933][   T10]      inet6_addr_add+0x30e/0xa40
[  498.864933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.864933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.864933][   T10]      netlink_rcv_skb+0x130/0x360
[  498.864933][   T10]      netlink_unicast+0x449/0x710
[  498.864933][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.864933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.864933][   T10]      ___sys_sendmsg+0xee/0x170
[  498.864933][   T10]      __sys_sendmsg+0xcd/0x170
[  498.864933][   T10]      do_syscall_64+0xc6/0x1e0
[  498.864933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.864933][   T10] 
[  498.867259][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.867259][   T10]      netdev_get_by_index+0x5e/0x80
[  498.867259][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.867259][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.867259][   T10]      ip6_route_add+0x1c/0x140
[  498.867259][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  498.867259][   T10]      addrconf_add_dev+0xe2/0x170
[  498.867259][   T10]      inet6_addr_add+0x12f/0xa40
[  498.867259][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.867259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.867259][   T10]      netlink_rcv_skb+0x130/0x360
[  498.867259][   T10]      netlink_unicast+0x449/0x710
[  498.867259][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.867259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.867259][   T10]      ___sys_sendmsg+0xee/0x170
[  498.867259][   T10]      __sys_sendmsg+0xcd/0x170
[  498.867259][   T10]      do_syscall_64+0xc6/0x1e0
[  498.867259][   T10] 
[  498.869542][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.869542][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  498.869542][   T10]      ipv6_find_idev+0x102/0x170
[  498.869542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.869542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.869542][   T10]      netlink_rcv_skb+0x130/0x360
[  498.869542][   T10]      netlink_unicast+0x449/0x710
[  498.869542][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.869542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.869542][   T10]      ___sys_sendmsg+0xee/0x170
[  498.869542][   T10]      __sys_sendmsg+0xcd/0x170
[  498.869542][   T10]      do_syscall_64+0xc6/0x1e0
[  498.869542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.869542][   T10] 
[  498.871320][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  498.871320][   T10]      neigh_parms_alloc+0x1e5/0x510
[  498.871320][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  498.871320][   T10]      ipv6_find_idev+0x102/0x170
[  498.871320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.871320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.871320][   T10]      netlink_rcv_skb+0x130/0x360
[  498.871320][   T10]      netlink_unicast+0x449/0x710
[  498.871320][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.871320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.871320][   T10]      ___sys_sendmsg+0xee/0x170
[  498.871320][   T10]      __sys_sendmsg+0xcd/0x170
[  498.871320][   T10]      do_syscall_64+0xc6/0x1e0
[  498.871320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.871320][   T10] 
[  498.873246][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  498.873494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.873494][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  498.873494][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  498.873494][   T10]      fib6_nh_init+0xa22/0x1580
[  498.873494][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.873494][   T10]      ip6_route_add+0x1c/0x140
[  498.873494][   T10]      inet6_rtm_newroute+0x104/0x110
[  498.873494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.873494][   T10]      netlink_rcv_skb+0x130/0x360
[  498.873494][   T10]      netlink_unicast+0x449/0x710
[  498.873494][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.873494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.873494][   T10]      ___sys_sendmsg+0xee/0x170
[  498.873494][   T10]      __sys_sendmsg+0xcd/0x170
[  498.873494][   T10]      do_syscall_64+0xc6/0x1e0
[  498.873494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.873494][   T10] 
[  498.875705][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.875705][   T10]      dst_init+0x84/0x4a0
[  498.875705][   T10]      dst_alloc+0x97/0x150
[  498.875705][   T10]      ip6_dst_alloc+0x23/0x90
[  498.875705][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  498.875705][   T10]      ip6_pol_route+0x56f/0x840
[  498.875705][   T10]      fib6_rule_lookup+0x456/0x630
[  498.875705][   T10]      ip6_route_input+0x59c/0xa50
[  498.875705][   T10]      ipv6_rcv+0x397/0x810
[  498.875705][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  498.875705][   T10]      process_backlog+0x101/0x620
[  498.875705][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  498.875705][   T10]      net_rx_action+0x495/0xbe0
[  498.875705][   T10]      __do_softirq+0x1b5/0x7f6
[  498.875705][   T10] 
[  498.877416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.877416][   T10]      netdev_get_by_index+0x5e/0x80
[  498.877416][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.877416][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.877416][   T10]      addrconf_f6i_alloc+0x265/0x560
[  498.877416][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  498.877416][   T10]      addrconf_join_anycast+0x1c0/0x220
[  498.877416][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  498.877416][   T10]      addrconf_dad_completed+0x12b/0xe20
[  498.877416][   T10]      addrconf_dad_begin+0x310/0x670
[  498.877416][   T10]      addrconf_dad_work+0x10b/0xab0
[  498.877416][   T10]      process_one_work+0x84d/0x18a0
[  498.877416][   T10]      worker_thread+0x587/0xd30
[  498.877416][   T10]      kthread+0x28a/0x350
[  498.877416][   T10]      ret_from_fork+0x31/0x70
[  498.877416][   T10]      ret_from_fork_asm+0x1a/0x30
[  498.877416][   T10] 
[  498.879620][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.879620][   T10]      netdev_get_by_index+0x5e/0x80
[  498.879620][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.879620][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.879620][   T10]      ip6_route_add+0x1c/0x140
[  498.879620][   T10]      addrconf_prefix_route+0x2a6/0x430
[  498.879620][   T10]      inet6_addr_add+0x4f8/0xa40
[  498.879620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.879620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.879620][   T10]      netlink_rcv_skb+0x130/0x360
[  498.879620][   T10]      netlink_unicast+0x449/0x710
[  498.879620][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.879620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.879620][   T10]      ___sys_sendmsg+0xee/0x170
[  498.879620][   T10]      __sys_sendmsg+0xcd/0x170
[  498.879620][   T10]      do_syscall_64+0xc6/0x1e0
[  498.879620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.879620][   T10] 
[  498.881900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.881900][   T10]      netdev_get_by_index+0x5e/0x80
[  498.881900][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.881900][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.881900][   T10]      addrconf_f6i_alloc+0x315/0x560
[  498.881900][   T10]      ipv6_add_addr+0x411/0x2000
[  498.881900][   T10]      inet6_addr_add+0x30e/0xa40
[  498.881900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.881900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.881900][   T10]      netlink_rcv_skb+0x130/0x360
[  498.881900][   T10]      netlink_unicast+0x449/0x710
[  498.881900][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.881900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.881900][   T10]      ___sys_sendmsg+0xee/0x170
[  498.881900][   T10]      __sys_sendmsg+0xcd/0x170
[  498.881900][   T10]      do_syscall_64+0xc6/0x1e0
[  498.881900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.881900][   T10] 
[  498.884185][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.884185][   T10]      netdev_get_by_index+0x5e/0x80
[  498.884185][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.884185][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.884185][   T10]      ip6_route_add+0x1c/0x140
[  498.884185][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  498.884185][   T10]      addrconf_add_dev+0xe2/0x170
[  498.884185][   T10]      inet6_addr_add+0x12f/0xa40
[  498.884185][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.884185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.884185][   T10]      netlink_rcv_skb+0x130/0x360
[  498.884185][   T10]      netlink_unicast+0x449/0x710
[  498.884185][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.884185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.884185][   T10]      ___sys_sendmsg+0xee/0x170
[  498.884185][   T10]      __sys_sendmsg+0xcd/0x170
[  498.884185][   T10]      do_syscall_64+0xc6/0x1e0
[  498.884185][   T10] 
[  498.886493][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.886493][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  498.886493][   T10]      ipv6_find_idev+0x102/0x170
[  498.886493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.886493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.886493][   T10]      netlink_rcv_skb+0x130/0x360
[  498.886493][   T10]      netlink_unicast+0x449/0x710
[  498.886493][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.886493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.886493][   T10]      ___sys_sendmsg+0xee/0x170
[  498.886493][   T10]      __sys_sendmsg+0xcd/0x170
[  498.886493][   T10]      do_syscall_64+0xc6/0x1e0
[  498.886493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.886493][   T10] 
[  498.888286][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  498.888286][   T10]      neigh_parms_alloc+0x1e5/0x510
[  498.888286][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  498.888286][   T10]      ipv6_find_idev+0x102/0x170
[  498.888286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.888286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.888286][   T10]      netlink_rcv_skb+0x130/0x360
[  498.888286][   T10]      netlink_unicast+0x449/0x710
[  498.888286][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.888286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.888286][   T10]      ___sys_sendmsg+0xee/0x170
[  498.888286][   T10]      __sys_sendmsg+0xcd/0x170
[  498.888286][   T10]      do_syscall_64+0xc6/0x1e0
[  498.888286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.888286][   T10] 
[  498.890129][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  498.890371][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  498.890371][   T10]      netdev_get_by_index+0x5e/0x80
[  498.890371][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.890371][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.890371][   T10]      ip6_route_add+0x1c/0x140
[  498.890371][   T10]      addrconf_prefix_route+0x2a6/0x430
[  498.890371][   T10]      inet6_addr_add+0x4f8/0xa40
[  498.890371][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.890371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.890371][   T10]      netlink_rcv_skb+0x130/0x360
[  498.890371][   T10]      netlink_unicast+0x449/0x710
[  498.890371][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.890371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.890371][   T10]      ___sys_sendmsg+0xee/0x170
[  498.890371][   T10]      __sys_sendmsg+0xcd/0x170
[  498.890371][   T10]      do_syscall_64+0xc6/0x1e0
[  498.890371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.890371][   T10] 
[  498.892468][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  498.892468][   T10]      netdev_get_by_index+0x5e/0x80
[  498.892468][   T10]      fib6_nh_init+0x3d8/0x1580
[  498.892468][   T10]      ip6_route_info_create+0xf18/0x17d0
[  498.892468][   T10]      addrconf_f6i_alloc+0x315/0x560
[  498.892468][   T10]      ipv6_add_addr+0x411/0x2000
[  498.892468][   T10]      inet6_addr_add+0x30e/0xa40
[  498.892468][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  498.892468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.892468][   T10]      netlink_rcv_skb+0x130/0x360
[  498.892468][   T10]      netlink_unicast+0x449/0x710
[  498.892468][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.892468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.892468][   T10]      ___sys_sendmsg+0xee/0x170
[  498.892468][   T10]      __sys_sendmsg+0xcd/0x170
[  498.892468][   T10]      do_syscall_64+0xc6/0x1e0
[  498.892468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.892468][   T10] 
[  498.894663][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  498.894663][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  498.894663][   T10]      ipv6_find_idev+0x102/0x170
[  498.894663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.894663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.894663][   T10]      netlink_rcv_skb+0x130/0x360
[  498.894663][   T10]      netlink_unicast+0x449/0x710
[  498.894663][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.894663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.894663][   T10]      ___sys_sendmsg+0xee/0x170
[  498.894663][   T10]      __sys_sendmsg+0xcd/0x170
[  498.894663][   T10]      do_syscall_64+0xc6/0x1e0
[  498.894663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.894663][   T10] 
[  498.896413][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  498.896413][   T10]      neigh_parms_alloc+0x1e5/0x510
[  498.896413][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  498.896413][   T10]      ipv6_find_idev+0x102/0x170
[  498.896413][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  498.896413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  498.896413][   T10]      netlink_rcv_skb+0x130/0x360
[  498.896413][   T10]      netlink_unicast+0x449/0x710
[  498.896413][   T10]      netlink_sendmsg+0x723/0xbe0
[  498.896413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  498.896413][   T10]      ___sys_sendmsg+0xee/0x170
[  498.896413][   T10]      __sys_sendmsg+0xcd/0x170
[  498.896413][   T10]      do_syscall_64+0xc6/0x1e0
[  498.896413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  498.896413][   T10] 
[  508.936608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  508.937006][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.937006][   T10]      dst_init+0x84/0x4a0
[  508.937006][   T10]      dst_alloc+0x97/0x150
[  508.937006][   T10]      ip6_dst_alloc+0x23/0x90
[  508.937006][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  508.937006][   T10]      ip6_pol_route+0x56f/0x840
[  508.937006][   T10]      fib6_rule_lookup+0x456/0x630
[  508.937006][   T10]      ip6_route_input+0x59c/0xa50
[  508.937006][   T10]      ipv6_rcv+0x397/0x810
[  508.937006][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  508.937006][   T10]      process_backlog+0x101/0x620
[  508.937006][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  508.937006][   T10]      net_rx_action+0x495/0xbe0
[  508.937006][   T10]      __do_softirq+0x1b5/0x7f6
[  508.937006][   T10] 
[  508.938753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.938753][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  508.938753][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  508.938753][   T10]      fib6_nh_init+0xa22/0x1580
[  508.938753][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.938753][   T10]      ip6_route_add+0x1c/0x140
[  508.938753][   T10]      inet6_rtm_newroute+0x104/0x110
[  508.938753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.938753][   T10]      netlink_rcv_skb+0x130/0x360
[  508.938753][   T10]      netlink_unicast+0x449/0x710
[  508.938753][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.938753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.938753][   T10]      ___sys_sendmsg+0xee/0x170
[  508.938753][   T10]      __sys_sendmsg+0xcd/0x170
[  508.938753][   T10]      do_syscall_64+0xc6/0x1e0
[  508.938753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.938753][   T10] 
[  508.940667][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.940667][   T10]      netdev_get_by_index+0x5e/0x80
[  508.940667][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.940667][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.940667][   T10]      addrconf_f6i_alloc+0x265/0x560
[  508.940667][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  508.940667][   T10]      addrconf_join_anycast+0x1c0/0x220
[  508.940667][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  508.940667][   T10]      addrconf_dad_completed+0x12b/0xe20
[  508.940667][   T10]      addrconf_dad_begin+0x310/0x670
[  508.940667][   T10]      addrconf_dad_work+0x10b/0xab0
[  508.940667][   T10]      process_one_work+0x84d/0x18a0
[  508.940667][   T10]      worker_thread+0x587/0xd30
[  508.940667][   T10]      kthread+0x28a/0x350
[  508.940667][   T10]      ret_from_fork+0x31/0x70
[  508.940667][   T10]      ret_from_fork_asm+0x1a/0x30
[  508.940667][   T10] 
[  508.942641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.942641][   T10]      netdev_get_by_index+0x5e/0x80
[  508.942641][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.942641][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.942641][   T10]      ip6_route_add+0x1c/0x140
[  508.942641][   T10]      addrconf_prefix_route+0x2a6/0x430
[  508.942641][   T10]      inet6_addr_add+0x4f8/0xa40
[  508.942641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.942641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.942641][   T10]      netlink_rcv_skb+0x130/0x360
[  508.942641][   T10]      netlink_unicast+0x449/0x710
[  508.942641][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.942641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.942641][   T10]      ___sys_sendmsg+0xee/0x170
[  508.942641][   T10]      __sys_sendmsg+0xcd/0x170
[  508.942641][   T10]      do_syscall_64+0xc6/0x1e0
[  508.942641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.942641][   T10] 
[  508.944854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.944854][   T10]      netdev_get_by_index+0x5e/0x80
[  508.944854][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.944854][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.944854][   T10]      addrconf_f6i_alloc+0x315/0x560
[  508.944854][   T10]      ipv6_add_addr+0x411/0x2000
[  508.944854][   T10]      inet6_addr_add+0x30e/0xa40
[  508.944854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.944854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.944854][   T10]      netlink_rcv_skb+0x130/0x360
[  508.944854][   T10]      netlink_unicast+0x449/0x710
[  508.944854][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.944854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.944854][   T10]      ___sys_sendmsg+0xee/0x170
[  508.944854][   T10]      __sys_sendmsg+0xcd/0x170
[  508.944854][   T10]      do_syscall_64+0xc6/0x1e0
[  508.944854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.944854][   T10] 
[  508.947209][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.947209][   T10]      netdev_get_by_index+0x5e/0x80
[  508.947209][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.947209][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.947209][   T10]      ip6_route_add+0x1c/0x140
[  508.947209][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  508.947209][   T10]      addrconf_add_dev+0xe2/0x170
[  508.947209][   T10]      inet6_addr_add+0x12f/0xa40
[  508.947209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.947209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.947209][   T10]      netlink_rcv_skb+0x130/0x360
[  508.947209][   T10]      netlink_unicast+0x449/0x710
[  508.947209][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.947209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.947209][   T10]      ___sys_sendmsg+0xee/0x170
[  508.947209][   T10]      __sys_sendmsg+0xcd/0x170
[  508.947209][   T10]      do_syscall_64+0xc6/0x1e0
[  508.947209][   T10] 
[  508.949538][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.949538][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  508.949538][   T10]      ipv6_find_idev+0x102/0x170
[  508.949538][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.949538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.949538][   T10]      netlink_rcv_skb+0x130/0x360
[  508.949538][   T10]      netlink_unicast+0x449/0x710
[  508.949538][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.949538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.949538][   T10]      ___sys_sendmsg+0xee/0x170
[  508.949538][   T10]      __sys_sendmsg+0xcd/0x170
[  508.949538][   T10]      do_syscall_64+0xc6/0x1e0
[  508.949538][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.949538][   T10] 
[  508.951235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  508.951235][   T10]      neigh_parms_alloc+0x1e5/0x510
[  508.951235][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  508.951235][   T10]      ipv6_find_idev+0x102/0x170
[  508.951235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.951235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.951235][   T10]      netlink_rcv_skb+0x130/0x360
[  508.951235][   T10]      netlink_unicast+0x449/0x710
[  508.951235][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.951235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.951235][   T10]      ___sys_sendmsg+0xee/0x170
[  508.951235][   T10]      __sys_sendmsg+0xcd/0x170
[  508.951235][   T10]      do_syscall_64+0xc6/0x1e0
[  508.951235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.951235][   T10] 
[  508.953181][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  508.953434][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.953434][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  508.953434][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  508.953434][   T10]      fib6_nh_init+0xa22/0x1580
[  508.953434][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.953434][   T10]      ip6_route_add+0x1c/0x140
[  508.953434][   T10]      inet6_rtm_newroute+0x104/0x110
[  508.953434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.953434][   T10]      netlink_rcv_skb+0x130/0x360
[  508.953434][   T10]      netlink_unicast+0x449/0x710
[  508.953434][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.953434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.953434][   T10]      ___sys_sendmsg+0xee/0x170
[  508.953434][   T10]      __sys_sendmsg+0xcd/0x170
[  508.953434][   T10]      do_syscall_64+0xc6/0x1e0
[  508.953434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.953434][   T10] 
[  508.955556][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.955556][   T10]      dst_init+0x84/0x4a0
[  508.955556][   T10]      dst_alloc+0x97/0x150
[  508.955556][   T10]      ip6_dst_alloc+0x23/0x90
[  508.955556][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  508.955556][   T10]      ip6_pol_route+0x56f/0x840
[  508.955556][   T10]      fib6_rule_lookup+0x456/0x630
[  508.955556][   T10]      ip6_route_input+0x59c/0xa50
[  508.955556][   T10]      ipv6_rcv+0x397/0x810
[  508.955556][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  508.955556][   T10]      process_backlog+0x101/0x620
[  508.955556][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  508.955556][   T10]      net_rx_action+0x495/0xbe0
[  508.955556][   T10]      __do_softirq+0x1b5/0x7f6
[  508.955556][   T10] 
[  508.957212][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.957212][   T10]      netdev_get_by_index+0x5e/0x80
[  508.957212][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.957212][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.957212][   T10]      addrconf_f6i_alloc+0x265/0x560
[  508.957212][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  508.957212][   T10]      addrconf_join_anycast+0x1c0/0x220
[  508.957212][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  508.957212][   T10]      addrconf_dad_completed+0x12b/0xe20
[  508.957212][   T10]      addrconf_dad_begin+0x310/0x670
[  508.957212][   T10]      addrconf_dad_work+0x10b/0xab0
[  508.957212][   T10]      process_one_work+0x84d/0x18a0
[  508.957212][   T10]      worker_thread+0x587/0xd30
[  508.957212][   T10]      kthread+0x28a/0x350
[  508.957212][   T10]      ret_from_fork+0x31/0x70
[  508.957212][   T10]      ret_from_fork_asm+0x1a/0x30
[  508.957212][   T10] 
[  508.959181][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.959181][   T10]      netdev_get_by_index+0x5e/0x80
[  508.959181][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.959181][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.959181][   T10]      ip6_route_add+0x1c/0x140
[  508.959181][   T10]      addrconf_prefix_route+0x2a6/0x430
[  508.959181][   T10]      inet6_addr_add+0x4f8/0xa40
[  508.959181][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.959181][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.959181][   T10]      netlink_rcv_skb+0x130/0x360
[  508.959181][   T10]      netlink_unicast+0x449/0x710
[  508.959181][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.959181][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.959181][   T10]      ___sys_sendmsg+0xee/0x170
[  508.959181][   T10]      __sys_sendmsg+0xcd/0x170
[  508.959181][   T10]      do_syscall_64+0xc6/0x1e0
[  508.959181][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.959181][   T10] 
[  508.961230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.961230][   T10]      netdev_get_by_index+0x5e/0x80
[  508.961230][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.961230][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.961230][   T10]      addrconf_f6i_alloc+0x315/0x560
[  508.961230][   T10]      ipv6_add_addr+0x411/0x2000
[  508.961230][   T10]      inet6_addr_add+0x30e/0xa40
[  508.961230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.961230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.961230][   T10]      netlink_rcv_skb+0x130/0x360
[  508.961230][   T10]      netlink_unicast+0x449/0x710
[  508.961230][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.961230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.961230][   T10]      ___sys_sendmsg+0xee/0x170
[  508.961230][   T10]      __sys_sendmsg+0xcd/0x170
[  508.961230][   T10]      do_syscall_64+0xc6/0x1e0
[  508.961230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.961230][   T10] 
[  508.963394][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.963394][   T10]      netdev_get_by_index+0x5e/0x80
[  508.963394][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.963394][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.963394][   T10]      ip6_route_add+0x1c/0x140
[  508.963394][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  508.963394][   T10]      addrconf_add_dev+0xe2/0x170
[  508.963394][   T10]      inet6_addr_add+0x12f/0xa40
[  508.963394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.963394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.963394][   T10]      netlink_rcv_skb+0x130/0x360
[  508.963394][   T10]      netlink_unicast+0x449/0x710
[  508.963394][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.963394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.963394][   T10]      ___sys_sendmsg+0xee/0x170
[  508.963394][   T10]      __sys_sendmsg+0xcd/0x170
[  508.963394][   T10]      do_syscall_64+0xc6/0x1e0
[  508.963394][   T10] 
[  508.965490][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.965490][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  508.965490][   T10]      ipv6_find_idev+0x102/0x170
[  508.965490][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.965490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.965490][   T10]      netlink_rcv_skb+0x130/0x360
[  508.965490][   T10]      netlink_unicast+0x449/0x710
[  508.965490][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.965490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.965490][   T10]      ___sys_sendmsg+0xee/0x170
[  508.965490][   T10]      __sys_sendmsg+0xcd/0x170
[  508.965490][   T10]      do_syscall_64+0xc6/0x1e0
[  508.965490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.965490][   T10] 
[  508.967289][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  508.967289][   T10]      neigh_parms_alloc+0x1e5/0x510
[  508.967289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  508.967289][   T10]      ipv6_find_idev+0x102/0x170
[  508.967289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.967289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.967289][   T10]      netlink_rcv_skb+0x130/0x360
[  508.967289][   T10]      netlink_unicast+0x449/0x710
[  508.967289][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.967289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.967289][   T10]      ___sys_sendmsg+0xee/0x170
[  508.967289][   T10]      __sys_sendmsg+0xcd/0x170
[  508.967289][   T10]      do_syscall_64+0xc6/0x1e0
[  508.967289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.967289][   T10] 
[  508.969275][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  508.969531][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  508.969531][   T10]      netdev_get_by_index+0x5e/0x80
[  508.969531][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.969531][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.969531][   T10]      ip6_route_add+0x1c/0x140
[  508.969531][   T10]      addrconf_prefix_route+0x2a6/0x430
[  508.969531][   T10]      inet6_addr_add+0x4f8/0xa40
[  508.969531][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.969531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.969531][   T10]      netlink_rcv_skb+0x130/0x360
[  508.969531][   T10]      netlink_unicast+0x449/0x710
[  508.969531][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.969531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.969531][   T10]      ___sys_sendmsg+0xee/0x170
[  508.969531][   T10]      __sys_sendmsg+0xcd/0x170
[  508.969531][   T10]      do_syscall_64+0xc6/0x1e0
[  508.969531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.969531][   T10] 
[  508.971955][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  508.971955][   T10]      netdev_get_by_index+0x5e/0x80
[  508.971955][   T10]      fib6_nh_init+0x3d8/0x1580
[  508.971955][   T10]      ip6_route_info_create+0xf18/0x17d0
[  508.971955][   T10]      addrconf_f6i_alloc+0x315/0x560
[  508.971955][   T10]      ipv6_add_addr+0x411/0x2000
[  508.971955][   T10]      inet6_addr_add+0x30e/0xa40
[  508.971955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  508.971955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.971955][   T10]      netlink_rcv_skb+0x130/0x360
[  508.971955][   T10]      netlink_unicast+0x449/0x710
[  508.971955][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.971955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.971955][   T10]      ___sys_sendmsg+0xee/0x170
[  508.971955][   T10]      __sys_sendmsg+0xcd/0x170
[  508.971955][   T10]      do_syscall_64+0xc6/0x1e0
[  508.971955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.971955][   T10] 
[  508.974338][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  508.974338][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  508.974338][   T10]      ipv6_find_idev+0x102/0x170
[  508.974338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.974338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.974338][   T10]      netlink_rcv_skb+0x130/0x360
[  508.974338][   T10]      netlink_unicast+0x449/0x710
[  508.974338][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.974338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.974338][   T10]      ___sys_sendmsg+0xee/0x170
[  508.974338][   T10]      __sys_sendmsg+0xcd/0x170
[  508.974338][   T10]      do_syscall_64+0xc6/0x1e0
[  508.974338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.974338][   T10] 
[  508.976313][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  508.976313][   T10]      neigh_parms_alloc+0x1e5/0x510
[  508.976313][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  508.976313][   T10]      ipv6_find_idev+0x102/0x170
[  508.976313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  508.976313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  508.976313][   T10]      netlink_rcv_skb+0x130/0x360
[  508.976313][   T10]      netlink_unicast+0x449/0x710
[  508.976313][   T10]      netlink_sendmsg+0x723/0xbe0
[  508.976313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  508.976313][   T10]      ___sys_sendmsg+0xee/0x170
[  508.976313][   T10]      __sys_sendmsg+0xcd/0x170
[  508.976313][   T10]      do_syscall_64+0xc6/0x1e0
[  508.976313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  508.976313][   T10] 
[  517.203194][ T3810] veth0: renamed from veth1
[  519.112700][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  519.113031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.113031][   T10]      dst_init+0x84/0x4a0
[  519.113031][   T10]      dst_alloc+0x97/0x150
[  519.113031][   T10]      ip6_dst_alloc+0x23/0x90
[  519.113031][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  519.113031][   T10]      ip6_pol_route+0x56f/0x840
[  519.113031][   T10]      fib6_rule_lookup+0x456/0x630
[  519.113031][   T10]      ip6_route_input+0x59c/0xa50
[  519.113031][   T10]      ipv6_rcv+0x397/0x810
[  519.113031][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  519.113031][   T10]      process_backlog+0x101/0x620
[  519.113031][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  519.113031][   T10]      net_rx_action+0x495/0xbe0
[  519.113031][   T10]      __do_softirq+0x1b5/0x7f6
[  519.113031][   T10] 
[  519.114751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.114751][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  519.114751][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  519.114751][   T10]      fib6_nh_init+0xa22/0x1580
[  519.114751][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.114751][   T10]      ip6_route_add+0x1c/0x140
[  519.114751][   T10]      inet6_rtm_newroute+0x104/0x110
[  519.114751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.114751][   T10]      netlink_rcv_skb+0x130/0x360
[  519.114751][   T10]      netlink_unicast+0x449/0x710
[  519.114751][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.114751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.114751][   T10]      ___sys_sendmsg+0xee/0x170
[  519.114751][   T10]      __sys_sendmsg+0xcd/0x170
[  519.114751][   T10]      do_syscall_64+0xc6/0x1e0
[  519.114751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.114751][   T10] 
[  519.116689][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.116689][   T10]      netdev_get_by_index+0x5e/0x80
[  519.116689][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.116689][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.116689][   T10]      addrconf_f6i_alloc+0x265/0x560
[  519.116689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  519.116689][   T10]      addrconf_join_anycast+0x1c0/0x220
[  519.116689][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  519.116689][   T10]      addrconf_dad_completed+0x12b/0xe20
[  519.116689][   T10]      addrconf_dad_begin+0x310/0x670
[  519.116689][   T10]      addrconf_dad_work+0x10b/0xab0
[  519.116689][   T10]      process_one_work+0x84d/0x18a0
[  519.116689][   T10]      worker_thread+0x587/0xd30
[  519.116689][   T10]      kthread+0x28a/0x350
[  519.116689][   T10]      ret_from_fork+0x31/0x70
[  519.116689][   T10]      ret_from_fork_asm+0x1a/0x30
[  519.116689][   T10] 
[  519.118750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.118750][   T10]      netdev_get_by_index+0x5e/0x80
[  519.118750][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.118750][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.118750][   T10]      ip6_route_add+0x1c/0x140
[  519.118750][   T10]      addrconf_prefix_route+0x2a6/0x430
[  519.118750][   T10]      inet6_addr_add+0x4f8/0xa40
[  519.118750][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.118750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.118750][   T10]      netlink_rcv_skb+0x130/0x360
[  519.118750][   T10]      netlink_unicast+0x449/0x710
[  519.118750][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.118750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.118750][   T10]      ___sys_sendmsg+0xee/0x170
[  519.118750][   T10]      __sys_sendmsg+0xcd/0x170
[  519.118750][   T10]      do_syscall_64+0xc6/0x1e0
[  519.118750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.118750][   T10] 
[  519.121022][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.121022][   T10]      netdev_get_by_index+0x5e/0x80
[  519.121022][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.121022][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.121022][   T10]      addrconf_f6i_alloc+0x315/0x560
[  519.121022][   T10]      ipv6_add_addr+0x411/0x2000
[  519.121022][   T10]      inet6_addr_add+0x30e/0xa40
[  519.121022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.121022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.121022][   T10]      netlink_rcv_skb+0x130/0x360
[  519.121022][   T10]      netlink_unicast+0x449/0x710
[  519.121022][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.121022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.121022][   T10]      ___sys_sendmsg+0xee/0x170
[  519.121022][   T10]      __sys_sendmsg+0xcd/0x170
[  519.121022][   T10]      do_syscall_64+0xc6/0x1e0
[  519.121022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.121022][   T10] 
[  519.123300][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.123300][   T10]      netdev_get_by_index+0x5e/0x80
[  519.123300][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.123300][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.123300][   T10]      ip6_route_add+0x1c/0x140
[  519.123300][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  519.123300][   T10]      addrconf_add_dev+0xe2/0x170
[  519.123300][   T10]      inet6_addr_add+0x12f/0xa40
[  519.123300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.123300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.123300][   T10]      netlink_rcv_skb+0x130/0x360
[  519.123300][   T10]      netlink_unicast+0x449/0x710
[  519.123300][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.123300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.123300][   T10]      ___sys_sendmsg+0xee/0x170
[  519.123300][   T10]      __sys_sendmsg+0xcd/0x170
[  519.123300][   T10]      do_syscall_64+0xc6/0x1e0
[  519.123300][   T10] 
[  519.125512][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.125512][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  519.125512][   T10]      ipv6_find_idev+0x102/0x170
[  519.125512][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.125512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.125512][   T10]      netlink_rcv_skb+0x130/0x360
[  519.125512][   T10]      netlink_unicast+0x449/0x710
[  519.125512][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.125512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.125512][   T10]      ___sys_sendmsg+0xee/0x170
[  519.125512][   T10]      __sys_sendmsg+0xcd/0x170
[  519.125512][   T10]      do_syscall_64+0xc6/0x1e0
[  519.125512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.125512][   T10] 
[  519.127341][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  519.127341][   T10]      neigh_parms_alloc+0x1e5/0x510
[  519.127341][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  519.127341][   T10]      ipv6_find_idev+0x102/0x170
[  519.127341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.127341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.127341][   T10]      netlink_rcv_skb+0x130/0x360
[  519.127341][   T10]      netlink_unicast+0x449/0x710
[  519.127341][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.127341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.127341][   T10]      ___sys_sendmsg+0xee/0x170
[  519.127341][   T10]      __sys_sendmsg+0xcd/0x170
[  519.127341][   T10]      do_syscall_64+0xc6/0x1e0
[  519.127341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.127341][   T10] 
[  519.129555][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  519.129835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.129835][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  519.129835][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  519.129835][   T10]      fib6_nh_init+0xa22/0x1580
[  519.129835][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.129835][   T10]      ip6_route_add+0x1c/0x140
[  519.129835][   T10]      inet6_rtm_newroute+0x104/0x110
[  519.129835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.129835][   T10]      netlink_rcv_skb+0x130/0x360
[  519.129835][   T10]      netlink_unicast+0x449/0x710
[  519.129835][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.129835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.129835][   T10]      ___sys_sendmsg+0xee/0x170
[  519.129835][   T10]      __sys_sendmsg+0xcd/0x170
[  519.129835][   T10]      do_syscall_64+0xc6/0x1e0
[  519.129835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.129835][   T10] 
[  519.131951][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.131951][   T10]      dst_init+0x84/0x4a0
[  519.131951][   T10]      dst_alloc+0x97/0x150
[  519.131951][   T10]      ip6_dst_alloc+0x23/0x90
[  519.131951][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  519.131951][   T10]      ip6_pol_route+0x56f/0x840
[  519.131951][   T10]      fib6_rule_lookup+0x456/0x630
[  519.131951][   T10]      ip6_route_input+0x59c/0xa50
[  519.131951][   T10]      ipv6_rcv+0x397/0x810
[  519.131951][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  519.131951][   T10]      process_backlog+0x101/0x620
[  519.131951][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  519.131951][   T10]      net_rx_action+0x495/0xbe0
[  519.131951][   T10]      __do_softirq+0x1b5/0x7f6
[  519.131951][   T10] 
[  519.133904][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.133904][   T10]      netdev_get_by_index+0x5e/0x80
[  519.133904][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.133904][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.133904][   T10]      addrconf_f6i_alloc+0x265/0x560
[  519.133904][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  519.133904][   T10]      addrconf_join_anycast+0x1c0/0x220
[  519.133904][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  519.133904][   T10]      addrconf_dad_completed+0x12b/0xe20
[  519.133904][   T10]      addrconf_dad_begin+0x310/0x670
[  519.133904][   T10]      addrconf_dad_work+0x10b/0xab0
[  519.133904][   T10]      process_one_work+0x84d/0x18a0
[  519.133904][   T10]      worker_thread+0x587/0xd30
[  519.133904][   T10]      kthread+0x28a/0x350
[  519.133904][   T10]      ret_from_fork+0x31/0x70
[  519.133904][   T10]      ret_from_fork_asm+0x1a/0x30
[  519.133904][   T10] 
[  519.136095][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.136095][   T10]      netdev_get_by_index+0x5e/0x80
[  519.136095][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.136095][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.136095][   T10]      ip6_route_add+0x1c/0x140
[  519.136095][   T10]      addrconf_prefix_route+0x2a6/0x430
[  519.136095][   T10]      inet6_addr_add+0x4f8/0xa40
[  519.136095][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.136095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.136095][   T10]      netlink_rcv_skb+0x130/0x360
[  519.136095][   T10]      netlink_unicast+0x449/0x710
[  519.136095][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.136095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.136095][   T10]      ___sys_sendmsg+0xee/0x170
[  519.136095][   T10]      __sys_sendmsg+0xcd/0x170
[  519.136095][   T10]      do_syscall_64+0xc6/0x1e0
[  519.136095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.136095][   T10] 
[  519.138408][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.138408][   T10]      netdev_get_by_index+0x5e/0x80
[  519.138408][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.138408][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.138408][   T10]      addrconf_f6i_alloc+0x315/0x560
[  519.138408][   T10]      ipv6_add_addr+0x411/0x2000
[  519.138408][   T10]      inet6_addr_add+0x30e/0xa40
[  519.138408][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.138408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.138408][   T10]      netlink_rcv_skb+0x130/0x360
[  519.138408][   T10]      netlink_unicast+0x449/0x710
[  519.138408][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.138408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.138408][   T10]      ___sys_sendmsg+0xee/0x170
[  519.138408][   T10]      __sys_sendmsg+0xcd/0x170
[  519.138408][   T10]      do_syscall_64+0xc6/0x1e0
[  519.138408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.138408][   T10] 
[  519.140806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.140806][   T10]      netdev_get_by_index+0x5e/0x80
[  519.140806][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.140806][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.140806][   T10]      ip6_route_add+0x1c/0x140
[  519.140806][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  519.140806][   T10]      addrconf_add_dev+0xe2/0x170
[  519.140806][   T10]      inet6_addr_add+0x12f/0xa40
[  519.140806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.140806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.140806][   T10]      netlink_rcv_skb+0x130/0x360
[  519.140806][   T10]      netlink_unicast+0x449/0x710
[  519.140806][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.140806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.140806][   T10]      ___sys_sendmsg+0xee/0x170
[  519.140806][   T10]      __sys_sendmsg+0xcd/0x170
[  519.140806][   T10]      do_syscall_64+0xc6/0x1e0
[  519.140806][   T10] 
[  519.143092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.143092][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  519.143092][   T10]      ipv6_find_idev+0x102/0x170
[  519.143092][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.143092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.143092][   T10]      netlink_rcv_skb+0x130/0x360
[  519.143092][   T10]      netlink_unicast+0x449/0x710
[  519.143092][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.143092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.143092][   T10]      ___sys_sendmsg+0xee/0x170
[  519.143092][   T10]      __sys_sendmsg+0xcd/0x170
[  519.143092][   T10]      do_syscall_64+0xc6/0x1e0
[  519.143092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.143092][   T10] 
[  519.144819][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  519.144819][   T10]      neigh_parms_alloc+0x1e5/0x510
[  519.144819][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  519.144819][   T10]      ipv6_find_idev+0x102/0x170
[  519.144819][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.144819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.144819][   T10]      netlink_rcv_skb+0x130/0x360
[  519.144819][   T10]      netlink_unicast+0x449/0x710
[  519.144819][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.144819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.144819][   T10]      ___sys_sendmsg+0xee/0x170
[  519.144819][   T10]      __sys_sendmsg+0xcd/0x170
[  519.144819][   T10]      do_syscall_64+0xc6/0x1e0
[  519.144819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.144819][   T10] 
[  519.146697][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  519.147025][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  519.147025][   T10]      netdev_get_by_index+0x5e/0x80
[  519.147025][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.147025][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.147025][   T10]      ip6_route_add+0x1c/0x140
[  519.147025][   T10]      addrconf_prefix_route+0x2a6/0x430
[  519.147025][   T10]      inet6_addr_add+0x4f8/0xa40
[  519.147025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.147025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.147025][   T10]      netlink_rcv_skb+0x130/0x360
[  519.147025][   T10]      netlink_unicast+0x449/0x710
[  519.147025][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.147025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.147025][   T10]      ___sys_sendmsg+0xee/0x170
[  519.147025][   T10]      __sys_sendmsg+0xcd/0x170
[  519.147025][   T10]      do_syscall_64+0xc6/0x1e0
[  519.147025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.147025][   T10] 
[  519.149292][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  519.149292][   T10]      netdev_get_by_index+0x5e/0x80
[  519.149292][   T10]      fib6_nh_init+0x3d8/0x1580
[  519.149292][   T10]      ip6_route_info_create+0xf18/0x17d0
[  519.149292][   T10]      addrconf_f6i_alloc+0x315/0x560
[  519.149292][   T10]      ipv6_add_addr+0x411/0x2000
[  519.149292][   T10]      inet6_addr_add+0x30e/0xa40
[  519.149292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  519.149292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.149292][   T10]      netlink_rcv_skb+0x130/0x360
[  519.149292][   T10]      netlink_unicast+0x449/0x710
[  519.149292][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.149292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.149292][   T10]      ___sys_sendmsg+0xee/0x170
[  519.149292][   T10]      __sys_sendmsg+0xcd/0x170
[  519.149292][   T10]      do_syscall_64+0xc6/0x1e0
[  519.149292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.149292][   T10] 
[  519.151338][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  519.151338][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  519.151338][   T10]      ipv6_find_idev+0x102/0x170
[  519.151338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.151338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.151338][   T10]      netlink_rcv_skb+0x130/0x360
[  519.151338][   T10]      netlink_unicast+0x449/0x710
[  519.151338][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.151338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.151338][   T10]      ___sys_sendmsg+0xee/0x170
[  519.151338][   T10]      __sys_sendmsg+0xcd/0x170
[  519.151338][   T10]      do_syscall_64+0xc6/0x1e0
[  519.151338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.151338][   T10] 
[  519.152975][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  519.152975][   T10]      neigh_parms_alloc+0x1e5/0x510
[  519.152975][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  519.152975][   T10]      ipv6_find_idev+0x102/0x170
[  519.152975][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  519.152975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  519.152975][   T10]      netlink_rcv_skb+0x130/0x360
[  519.152975][   T10]      netlink_unicast+0x449/0x710
[  519.152975][   T10]      netlink_sendmsg+0x723/0xbe0
[  519.152975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  519.152975][   T10]      ___sys_sendmsg+0xee/0x170
[  519.152975][   T10]      __sys_sendmsg+0xcd/0x170
[  519.152975][   T10]      do_syscall_64+0xc6/0x1e0
[  519.152975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  519.152975][   T10] 
[  521.270870][ T3837] br0: port 1(vx0) entered blocking state
[  521.271130][ T3837] br0: port 1(vx0) entered disabled state
[  521.271306][ T3837] vx0: entered allmulticast mode
[  521.272505][ T3837] vx0: entered promiscuous mode
[  521.274378][ T3837] br0: port 1(vx0) entered blocking state
[  521.274543][ T3837] br0: port 1(vx0) entered forwarding state
[  526.704366][ T3867] br0: port 1(vx0) entered blocking state
[  526.705388][ T3867] br0: port 1(vx0) entered disabled state
[  526.705713][ T3867] vx0: entered allmulticast mode
[  526.707022][ T3867] vx0: entered promiscuous mode
[  526.708881][ T3867] br0: port 1(vx0) entered blocking state
[  526.709047][ T3867] br0: port 1(vx0) entered forwarding state
[  529.264724][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  529.265068][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.265068][   T10]      dst_init+0x84/0x4a0
[  529.265068][   T10]      dst_alloc+0x97/0x150
[  529.265068][   T10]      ip6_dst_alloc+0x23/0x90
[  529.265068][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  529.265068][   T10]      ip6_pol_route+0x56f/0x840
[  529.265068][   T10]      fib6_rule_lookup+0x456/0x630
[  529.265068][   T10]      ip6_route_input+0x59c/0xa50
[  529.265068][   T10]      ipv6_rcv+0x397/0x810
[  529.265068][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  529.265068][   T10]      process_backlog+0x101/0x620
[  529.265068][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  529.265068][   T10]      net_rx_action+0x495/0xbe0
[  529.265068][   T10]      __do_softirq+0x1b5/0x7f6
[  529.265068][   T10] 
[  529.266829][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.266829][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  529.266829][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  529.266829][   T10]      fib6_nh_init+0xa22/0x1580
[  529.266829][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.266829][   T10]      ip6_route_add+0x1c/0x140
[  529.266829][   T10]      inet6_rtm_newroute+0x104/0x110
[  529.266829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.266829][   T10]      netlink_rcv_skb+0x130/0x360
[  529.266829][   T10]      netlink_unicast+0x449/0x710
[  529.266829][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.266829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.266829][   T10]      ___sys_sendmsg+0xee/0x170
[  529.266829][   T10]      __sys_sendmsg+0xcd/0x170
[  529.266829][   T10]      do_syscall_64+0xc6/0x1e0
[  529.266829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.266829][   T10] 
[  529.268796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.268796][   T10]      netdev_get_by_index+0x5e/0x80
[  529.268796][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.268796][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.268796][   T10]      addrconf_f6i_alloc+0x265/0x560
[  529.268796][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  529.268796][   T10]      addrconf_join_anycast+0x1c0/0x220
[  529.268796][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  529.268796][   T10]      addrconf_dad_completed+0x12b/0xe20
[  529.268796][   T10]      addrconf_dad_begin+0x310/0x670
[  529.268796][   T10]      addrconf_dad_work+0x10b/0xab0
[  529.268796][   T10]      process_one_work+0x84d/0x18a0
[  529.268796][   T10]      worker_thread+0x587/0xd30
[  529.268796][   T10]      kthread+0x28a/0x350
[  529.268796][   T10]      ret_from_fork+0x31/0x70
[  529.268796][   T10]      ret_from_fork_asm+0x1a/0x30
[  529.268796][   T10] 
[  529.270782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.270782][   T10]      netdev_get_by_index+0x5e/0x80
[  529.270782][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.270782][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.270782][   T10]      ip6_route_add+0x1c/0x140
[  529.270782][   T10]      addrconf_prefix_route+0x2a6/0x430
[  529.270782][   T10]      inet6_addr_add+0x4f8/0xa40
[  529.270782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.270782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.270782][   T10]      netlink_rcv_skb+0x130/0x360
[  529.270782][   T10]      netlink_unicast+0x449/0x710
[  529.270782][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.270782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.270782][   T10]      ___sys_sendmsg+0xee/0x170
[  529.270782][   T10]      __sys_sendmsg+0xcd/0x170
[  529.270782][   T10]      do_syscall_64+0xc6/0x1e0
[  529.270782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.270782][   T10] 
[  529.272824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.272824][   T10]      netdev_get_by_index+0x5e/0x80
[  529.272824][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.272824][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.272824][   T10]      addrconf_f6i_alloc+0x315/0x560
[  529.272824][   T10]      ipv6_add_addr+0x411/0x2000
[  529.272824][   T10]      inet6_addr_add+0x30e/0xa40
[  529.272824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.272824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.272824][   T10]      netlink_rcv_skb+0x130/0x360
[  529.272824][   T10]      netlink_unicast+0x449/0x710
[  529.272824][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.272824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.272824][   T10]      ___sys_sendmsg+0xee/0x170
[  529.272824][   T10]      __sys_sendmsg+0xcd/0x170
[  529.272824][   T10]      do_syscall_64+0xc6/0x1e0
[  529.272824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.272824][   T10] 
[  529.274908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.274908][   T10]      netdev_get_by_index+0x5e/0x80
[  529.274908][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.274908][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.274908][   T10]      ip6_route_add+0x1c/0x140
[  529.274908][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  529.274908][   T10]      addrconf_add_dev+0xe2/0x170
[  529.274908][   T10]      inet6_addr_add+0x12f/0xa40
[  529.274908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.274908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.274908][   T10]      netlink_rcv_skb+0x130/0x360
[  529.274908][   T10]      netlink_unicast+0x449/0x710
[  529.274908][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.274908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.274908][   T10]      ___sys_sendmsg+0xee/0x170
[  529.274908][   T10]      __sys_sendmsg+0xcd/0x170
[  529.274908][   T10]      do_syscall_64+0xc6/0x1e0
[  529.274908][   T10] 
[  529.276937][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.276937][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  529.276937][   T10]      ipv6_find_idev+0x102/0x170
[  529.276937][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.276937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.276937][   T10]      netlink_rcv_skb+0x130/0x360
[  529.276937][   T10]      netlink_unicast+0x449/0x710
[  529.276937][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.276937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.276937][   T10]      ___sys_sendmsg+0xee/0x170
[  529.276937][   T10]      __sys_sendmsg+0xcd/0x170
[  529.276937][   T10]      do_syscall_64+0xc6/0x1e0
[  529.276937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.276937][   T10] 
[  529.278518][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  529.278518][   T10]      neigh_parms_alloc+0x1e5/0x510
[  529.278518][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  529.278518][   T10]      ipv6_find_idev+0x102/0x170
[  529.278518][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.278518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.278518][   T10]      netlink_rcv_skb+0x130/0x360
[  529.278518][   T10]      netlink_unicast+0x449/0x710
[  529.278518][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.278518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.278518][   T10]      ___sys_sendmsg+0xee/0x170
[  529.278518][   T10]      __sys_sendmsg+0xcd/0x170
[  529.278518][   T10]      do_syscall_64+0xc6/0x1e0
[  529.278518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.278518][   T10] 
[  529.280246][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  529.280500][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.280500][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  529.280500][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  529.280500][   T10]      fib6_nh_init+0xa22/0x1580
[  529.280500][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.280500][   T10]      ip6_route_add+0x1c/0x140
[  529.280500][   T10]      inet6_rtm_newroute+0x104/0x110
[  529.280500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.280500][   T10]      netlink_rcv_skb+0x130/0x360
[  529.280500][   T10]      netlink_unicast+0x449/0x710
[  529.280500][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.280500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.280500][   T10]      ___sys_sendmsg+0xee/0x170
[  529.280500][   T10]      __sys_sendmsg+0xcd/0x170
[  529.280500][   T10]      do_syscall_64+0xc6/0x1e0
[  529.280500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.280500][   T10] 
[  529.282575][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.282575][   T10]      dst_init+0x84/0x4a0
[  529.282575][   T10]      dst_alloc+0x97/0x150
[  529.282575][   T10]      ip6_dst_alloc+0x23/0x90
[  529.282575][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  529.282575][   T10]      ip6_pol_route+0x56f/0x840
[  529.282575][   T10]      fib6_rule_lookup+0x456/0x630
[  529.282575][   T10]      ip6_route_input+0x59c/0xa50
[  529.282575][   T10]      ipv6_rcv+0x397/0x810
[  529.282575][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  529.282575][   T10]      process_backlog+0x101/0x620
[  529.282575][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  529.282575][   T10]      net_rx_action+0x495/0xbe0
[  529.282575][   T10]      __do_softirq+0x1b5/0x7f6
[  529.282575][   T10] 
[  529.284427][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.284427][   T10]      netdev_get_by_index+0x5e/0x80
[  529.284427][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.284427][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.284427][   T10]      addrconf_f6i_alloc+0x265/0x560
[  529.284427][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  529.284427][   T10]      addrconf_join_anycast+0x1c0/0x220
[  529.284427][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  529.284427][   T10]      addrconf_dad_completed+0x12b/0xe20
[  529.284427][   T10]      addrconf_dad_begin+0x310/0x670
[  529.284427][   T10]      addrconf_dad_work+0x10b/0xab0
[  529.284427][   T10]      process_one_work+0x84d/0x18a0
[  529.284427][   T10]      worker_thread+0x587/0xd30
[  529.284427][   T10]      kthread+0x28a/0x350
[  529.284427][   T10]      ret_from_fork+0x31/0x70
[  529.284427][   T10]      ret_from_fork_asm+0x1a/0x30
[  529.284427][   T10] 
[  529.286645][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.286645][   T10]      netdev_get_by_index+0x5e/0x80
[  529.286645][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.286645][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.286645][   T10]      ip6_route_add+0x1c/0x140
[  529.286645][   T10]      addrconf_prefix_route+0x2a6/0x430
[  529.286645][   T10]      inet6_addr_add+0x4f8/0xa40
[  529.286645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.286645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.286645][   T10]      netlink_rcv_skb+0x130/0x360
[  529.286645][   T10]      netlink_unicast+0x449/0x710
[  529.286645][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.286645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.286645][   T10]      ___sys_sendmsg+0xee/0x170
[  529.286645][   T10]      __sys_sendmsg+0xcd/0x170
[  529.286645][   T10]      do_syscall_64+0xc6/0x1e0
[  529.286645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.286645][   T10] 
[  529.288955][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.288955][   T10]      netdev_get_by_index+0x5e/0x80
[  529.288955][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.288955][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.288955][   T10]      addrconf_f6i_alloc+0x315/0x560
[  529.288955][   T10]      ipv6_add_addr+0x411/0x2000
[  529.288955][   T10]      inet6_addr_add+0x30e/0xa40
[  529.288955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.288955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.288955][   T10]      netlink_rcv_skb+0x130/0x360
[  529.288955][   T10]      netlink_unicast+0x449/0x710
[  529.288955][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.288955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.288955][   T10]      ___sys_sendmsg+0xee/0x170
[  529.288955][   T10]      __sys_sendmsg+0xcd/0x170
[  529.288955][   T10]      do_syscall_64+0xc6/0x1e0
[  529.288955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.288955][   T10] 
[  529.291289][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.291289][   T10]      netdev_get_by_index+0x5e/0x80
[  529.291289][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.291289][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.291289][   T10]      ip6_route_add+0x1c/0x140
[  529.291289][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  529.291289][   T10]      addrconf_add_dev+0xe2/0x170
[  529.291289][   T10]      inet6_addr_add+0x12f/0xa40
[  529.291289][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.291289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.291289][   T10]      netlink_rcv_skb+0x130/0x360
[  529.291289][   T10]      netlink_unicast+0x449/0x710
[  529.291289][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.291289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.291289][   T10]      ___sys_sendmsg+0xee/0x170
[  529.291289][   T10]      __sys_sendmsg+0xcd/0x170
[  529.291289][   T10]      do_syscall_64+0xc6/0x1e0
[  529.291289][   T10] 
[  529.293530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.293530][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  529.293530][   T10]      ipv6_find_idev+0x102/0x170
[  529.293530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.293530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.293530][   T10]      netlink_rcv_skb+0x130/0x360
[  529.293530][   T10]      netlink_unicast+0x449/0x710
[  529.293530][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.293530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.293530][   T10]      ___sys_sendmsg+0xee/0x170
[  529.293530][   T10]      __sys_sendmsg+0xcd/0x170
[  529.293530][   T10]      do_syscall_64+0xc6/0x1e0
[  529.293530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.293530][   T10] 
[  529.295316][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  529.295316][   T10]      neigh_parms_alloc+0x1e5/0x510
[  529.295316][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  529.295316][   T10]      ipv6_find_idev+0x102/0x170
[  529.295316][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.295316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.295316][   T10]      netlink_rcv_skb+0x130/0x360
[  529.295316][   T10]      netlink_unicast+0x449/0x710
[  529.295316][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.295316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.295316][   T10]      ___sys_sendmsg+0xee/0x170
[  529.295316][   T10]      __sys_sendmsg+0xcd/0x170
[  529.295316][   T10]      do_syscall_64+0xc6/0x1e0
[  529.295316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.295316][   T10] 
[  529.297257][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  529.297513][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  529.297513][   T10]      netdev_get_by_index+0x5e/0x80
[  529.297513][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.297513][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.297513][   T10]      ip6_route_add+0x1c/0x140
[  529.297513][   T10]      addrconf_prefix_route+0x2a6/0x430
[  529.297513][   T10]      inet6_addr_add+0x4f8/0xa40
[  529.297513][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.297513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.297513][   T10]      netlink_rcv_skb+0x130/0x360
[  529.297513][   T10]      netlink_unicast+0x449/0x710
[  529.297513][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.297513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.297513][   T10]      ___sys_sendmsg+0xee/0x170
[  529.297513][   T10]      __sys_sendmsg+0xcd/0x170
[  529.297513][   T10]      do_syscall_64+0xc6/0x1e0
[  529.297513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.297513][   T10] 
[  529.299701][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  529.299701][   T10]      netdev_get_by_index+0x5e/0x80
[  529.299701][   T10]      fib6_nh_init+0x3d8/0x1580
[  529.299701][   T10]      ip6_route_info_create+0xf18/0x17d0
[  529.299701][   T10]      addrconf_f6i_alloc+0x315/0x560
[  529.299701][   T10]      ipv6_add_addr+0x411/0x2000
[  529.299701][   T10]      inet6_addr_add+0x30e/0xa40
[  529.299701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  529.299701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.299701][   T10]      netlink_rcv_skb+0x130/0x360
[  529.299701][   T10]      netlink_unicast+0x449/0x710
[  529.299701][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.299701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.299701][   T10]      ___sys_sendmsg+0xee/0x170
[  529.299701][   T10]      __sys_sendmsg+0xcd/0x170
[  529.299701][   T10]      do_syscall_64+0xc6/0x1e0
[  529.299701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.299701][   T10] 
[  529.301820][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  529.301820][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  529.301820][   T10]      ipv6_find_idev+0x102/0x170
[  529.301820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.301820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.301820][   T10]      netlink_rcv_skb+0x130/0x360
[  529.301820][   T10]      netlink_unicast+0x449/0x710
[  529.301820][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.301820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.301820][   T10]      ___sys_sendmsg+0xee/0x170
[  529.301820][   T10]      __sys_sendmsg+0xcd/0x170
[  529.301820][   T10]      do_syscall_64+0xc6/0x1e0
[  529.301820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.301820][   T10] 
[  529.303628][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  529.303628][   T10]      neigh_parms_alloc+0x1e5/0x510
[  529.303628][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  529.303628][   T10]      ipv6_find_idev+0x102/0x170
[  529.303628][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  529.303628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  529.303628][   T10]      netlink_rcv_skb+0x130/0x360
[  529.303628][   T10]      netlink_unicast+0x449/0x710
[  529.303628][   T10]      netlink_sendmsg+0x723/0xbe0
[  529.303628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  529.303628][   T10]      ___sys_sendmsg+0xee/0x170
[  529.303628][   T10]      __sys_sendmsg+0xcd/0x170
[  529.303628][   T10]      do_syscall_64+0xc6/0x1e0
[  529.303628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  529.303628][   T10] 
[  530.720991][ T3898] veth0: renamed from veth1
[  534.673466][ T3924] br0: port 1(vx0) entered blocking state
[  534.673686][ T3924] br0: port 1(vx0) entered disabled state
[  534.673869][ T3924] vx0: entered allmulticast mode
[  534.675038][ T3924] vx0: entered promiscuous mode
[  534.676905][ T3924] br0: port 1(vx0) entered blocking state
[  534.677077][ T3924] br0: port 1(vx0) entered forwarding state
[  539.440702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  539.441029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.441029][   T10]      dst_init+0x84/0x4a0
[  539.441029][   T10]      dst_alloc+0x97/0x150
[  539.441029][   T10]      ip6_dst_alloc+0x23/0x90
[  539.441029][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  539.441029][   T10]      ip6_pol_route+0x56f/0x840
[  539.441029][   T10]      fib6_rule_lookup+0x456/0x630
[  539.441029][   T10]      ip6_route_input+0x59c/0xa50
[  539.441029][   T10]      ipv6_rcv+0x397/0x810
[  539.441029][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  539.441029][   T10]      process_backlog+0x101/0x620
[  539.441029][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  539.441029][   T10]      net_rx_action+0x495/0xbe0
[  539.441029][   T10]      __do_softirq+0x1b5/0x7f6
[  539.441029][   T10] 
[  539.442824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.442824][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  539.442824][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  539.442824][   T10]      fib6_nh_init+0xa22/0x1580
[  539.442824][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.442824][   T10]      ip6_route_add+0x1c/0x140
[  539.442824][   T10]      inet6_rtm_newroute+0x104/0x110
[  539.442824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.442824][   T10]      netlink_rcv_skb+0x130/0x360
[  539.442824][   T10]      netlink_unicast+0x449/0x710
[  539.442824][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.442824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.442824][   T10]      ___sys_sendmsg+0xee/0x170
[  539.442824][   T10]      __sys_sendmsg+0xcd/0x170
[  539.442824][   T10]      do_syscall_64+0xc6/0x1e0
[  539.442824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.442824][   T10] 
[  539.444770][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.444770][   T10]      netdev_get_by_index+0x5e/0x80
[  539.444770][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.444770][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.444770][   T10]      addrconf_f6i_alloc+0x265/0x560
[  539.444770][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  539.444770][   T10]      addrconf_join_anycast+0x1c0/0x220
[  539.444770][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  539.444770][   T10]      addrconf_dad_completed+0x12b/0xe20
[  539.444770][   T10]      addrconf_dad_begin+0x310/0x670
[  539.444770][   T10]      addrconf_dad_work+0x10b/0xab0
[  539.444770][   T10]      process_one_work+0x84d/0x18a0
[  539.444770][   T10]      worker_thread+0x587/0xd30
[  539.444770][   T10]      kthread+0x28a/0x350
[  539.444770][   T10]      ret_from_fork+0x31/0x70
[  539.444770][   T10]      ret_from_fork_asm+0x1a/0x30
[  539.444770][   T10] 
[  539.446759][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.446759][   T10]      netdev_get_by_index+0x5e/0x80
[  539.446759][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.446759][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.446759][   T10]      ip6_route_add+0x1c/0x140
[  539.446759][   T10]      addrconf_prefix_route+0x2a6/0x430
[  539.446759][   T10]      inet6_addr_add+0x4f8/0xa40
[  539.446759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.446759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.446759][   T10]      netlink_rcv_skb+0x130/0x360
[  539.446759][   T10]      netlink_unicast+0x449/0x710
[  539.446759][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.446759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.446759][   T10]      ___sys_sendmsg+0xee/0x170
[  539.446759][   T10]      __sys_sendmsg+0xcd/0x170
[  539.446759][   T10]      do_syscall_64+0xc6/0x1e0
[  539.446759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.446759][   T10] 
[  539.448808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.448808][   T10]      netdev_get_by_index+0x5e/0x80
[  539.448808][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.448808][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.448808][   T10]      addrconf_f6i_alloc+0x315/0x560
[  539.448808][   T10]      ipv6_add_addr+0x411/0x2000
[  539.448808][   T10]      inet6_addr_add+0x30e/0xa40
[  539.448808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.448808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.448808][   T10]      netlink_rcv_skb+0x130/0x360
[  539.448808][   T10]      netlink_unicast+0x449/0x710
[  539.448808][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.448808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.448808][   T10]      ___sys_sendmsg+0xee/0x170
[  539.448808][   T10]      __sys_sendmsg+0xcd/0x170
[  539.448808][   T10]      do_syscall_64+0xc6/0x1e0
[  539.448808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.448808][   T10] 
[  539.450853][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.450853][   T10]      netdev_get_by_index+0x5e/0x80
[  539.450853][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.450853][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.450853][   T10]      ip6_route_add+0x1c/0x140
[  539.450853][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  539.450853][   T10]      addrconf_add_dev+0xe2/0x170
[  539.450853][   T10]      inet6_addr_add+0x12f/0xa40
[  539.450853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.450853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.450853][   T10]      netlink_rcv_skb+0x130/0x360
[  539.450853][   T10]      netlink_unicast+0x449/0x710
[  539.450853][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.450853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.450853][   T10]      ___sys_sendmsg+0xee/0x170
[  539.450853][   T10]      __sys_sendmsg+0xcd/0x170
[  539.450853][   T10]      do_syscall_64+0xc6/0x1e0
[  539.450853][   T10] 
[  539.453007][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.453007][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  539.453007][   T10]      ipv6_find_idev+0x102/0x170
[  539.453007][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.453007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.453007][   T10]      netlink_rcv_skb+0x130/0x360
[  539.453007][   T10]      netlink_unicast+0x449/0x710
[  539.453007][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.453007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.453007][   T10]      ___sys_sendmsg+0xee/0x170
[  539.453007][   T10]      __sys_sendmsg+0xcd/0x170
[  539.453007][   T10]      do_syscall_64+0xc6/0x1e0
[  539.453007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.453007][   T10] 
[  539.454725][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  539.454725][   T10]      neigh_parms_alloc+0x1e5/0x510
[  539.454725][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  539.454725][   T10]      ipv6_find_idev+0x102/0x170
[  539.454725][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.454725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.454725][   T10]      netlink_rcv_skb+0x130/0x360
[  539.454725][   T10]      netlink_unicast+0x449/0x710
[  539.454725][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.454725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.454725][   T10]      ___sys_sendmsg+0xee/0x170
[  539.454725][   T10]      __sys_sendmsg+0xcd/0x170
[  539.454725][   T10]      do_syscall_64+0xc6/0x1e0
[  539.454725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.454725][   T10] 
[  539.456905][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  539.457157][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.457157][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  539.457157][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  539.457157][   T10]      fib6_nh_init+0xa22/0x1580
[  539.457157][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.457157][   T10]      ip6_route_add+0x1c/0x140
[  539.457157][   T10]      inet6_rtm_newroute+0x104/0x110
[  539.457157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.457157][   T10]      netlink_rcv_skb+0x130/0x360
[  539.457157][   T10]      netlink_unicast+0x449/0x710
[  539.457157][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.457157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.457157][   T10]      ___sys_sendmsg+0xee/0x170
[  539.457157][   T10]      __sys_sendmsg+0xcd/0x170
[  539.457157][   T10]      do_syscall_64+0xc6/0x1e0
[  539.457157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.457157][   T10] 
[  539.459217][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.459217][   T10]      dst_init+0x84/0x4a0
[  539.459217][   T10]      dst_alloc+0x97/0x150
[  539.459217][   T10]      ip6_dst_alloc+0x23/0x90
[  539.459217][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  539.459217][   T10]      ip6_pol_route+0x56f/0x840
[  539.459217][   T10]      fib6_rule_lookup+0x456/0x630
[  539.459217][   T10]      ip6_route_input+0x59c/0xa50
[  539.459217][   T10]      ipv6_rcv+0x397/0x810
[  539.459217][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  539.459217][   T10]      process_backlog+0x101/0x620
[  539.459217][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  539.459217][   T10]      net_rx_action+0x495/0xbe0
[  539.459217][   T10]      __do_softirq+0x1b5/0x7f6
[  539.459217][   T10] 
[  539.460870][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.460870][   T10]      netdev_get_by_index+0x5e/0x80
[  539.460870][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.460870][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.460870][   T10]      addrconf_f6i_alloc+0x265/0x560
[  539.460870][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  539.460870][   T10]      addrconf_join_anycast+0x1c0/0x220
[  539.460870][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  539.460870][   T10]      addrconf_dad_completed+0x12b/0xe20
[  539.460870][   T10]      addrconf_dad_begin+0x310/0x670
[  539.460870][   T10]      addrconf_dad_work+0x10b/0xab0
[  539.460870][   T10]      process_one_work+0x84d/0x18a0
[  539.460870][   T10]      worker_thread+0x587/0xd30
[  539.460870][   T10]      kthread+0x28a/0x350
[  539.460870][   T10]      ret_from_fork+0x31/0x70
[  539.460870][   T10]      ret_from_fork_asm+0x1a/0x30
[  539.460870][   T10] 
[  539.462929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.462929][   T10]      netdev_get_by_index+0x5e/0x80
[  539.462929][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.462929][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.462929][   T10]      ip6_route_add+0x1c/0x140
[  539.462929][   T10]      addrconf_prefix_route+0x2a6/0x430
[  539.462929][   T10]      inet6_addr_add+0x4f8/0xa40
[  539.462929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.462929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.462929][   T10]      netlink_rcv_skb+0x130/0x360
[  539.462929][   T10]      netlink_unicast+0x449/0x710
[  539.462929][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.462929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.462929][   T10]      ___sys_sendmsg+0xee/0x170
[  539.462929][   T10]      __sys_sendmsg+0xcd/0x170
[  539.462929][   T10]      do_syscall_64+0xc6/0x1e0
[  539.462929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.462929][   T10] 
[  539.465221][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.465221][   T10]      netdev_get_by_index+0x5e/0x80
[  539.465221][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.465221][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.465221][   T10]      addrconf_f6i_alloc+0x315/0x560
[  539.465221][   T10]      ipv6_add_addr+0x411/0x2000
[  539.465221][   T10]      inet6_addr_add+0x30e/0xa40
[  539.465221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.465221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.465221][   T10]      netlink_rcv_skb+0x130/0x360
[  539.465221][   T10]      netlink_unicast+0x449/0x710
[  539.465221][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.465221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.465221][   T10]      ___sys_sendmsg+0xee/0x170
[  539.465221][   T10]      __sys_sendmsg+0xcd/0x170
[  539.465221][   T10]      do_syscall_64+0xc6/0x1e0
[  539.465221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.465221][   T10] 
[  539.467396][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.467396][   T10]      netdev_get_by_index+0x5e/0x80
[  539.467396][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.467396][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.467396][   T10]      ip6_route_add+0x1c/0x140
[  539.467396][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  539.467396][   T10]      addrconf_add_dev+0xe2/0x170
[  539.467396][   T10]      inet6_addr_add+0x12f/0xa40
[  539.467396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.467396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.467396][   T10]      netlink_rcv_skb+0x130/0x360
[  539.467396][   T10]      netlink_unicast+0x449/0x710
[  539.467396][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.467396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.467396][   T10]      ___sys_sendmsg+0xee/0x170
[  539.467396][   T10]      __sys_sendmsg+0xcd/0x170
[  539.467396][   T10]      do_syscall_64+0xc6/0x1e0
[  539.467396][   T10] 
[  539.469692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.469692][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  539.469692][   T10]      ipv6_find_idev+0x102/0x170
[  539.469692][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.469692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.469692][   T10]      netlink_rcv_skb+0x130/0x360
[  539.469692][   T10]      netlink_unicast+0x449/0x710
[  539.469692][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.469692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.469692][   T10]      ___sys_sendmsg+0xee/0x170
[  539.469692][   T10]      __sys_sendmsg+0xcd/0x170
[  539.469692][   T10]      do_syscall_64+0xc6/0x1e0
[  539.469692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.469692][   T10] 
[  539.471372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  539.471372][   T10]      neigh_parms_alloc+0x1e5/0x510
[  539.471372][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  539.471372][   T10]      ipv6_find_idev+0x102/0x170
[  539.471372][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.471372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.471372][   T10]      netlink_rcv_skb+0x130/0x360
[  539.471372][   T10]      netlink_unicast+0x449/0x710
[  539.471372][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.471372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.471372][   T10]      ___sys_sendmsg+0xee/0x170
[  539.471372][   T10]      __sys_sendmsg+0xcd/0x170
[  539.471372][   T10]      do_syscall_64+0xc6/0x1e0
[  539.471372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.471372][   T10] 
[  539.473309][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  539.473566][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  539.473566][   T10]      netdev_get_by_index+0x5e/0x80
[  539.473566][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.473566][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.473566][   T10]      ip6_route_add+0x1c/0x140
[  539.473566][   T10]      addrconf_prefix_route+0x2a6/0x430
[  539.473566][   T10]      inet6_addr_add+0x4f8/0xa40
[  539.473566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.473566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.473566][   T10]      netlink_rcv_skb+0x130/0x360
[  539.473566][   T10]      netlink_unicast+0x449/0x710
[  539.473566][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.473566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.473566][   T10]      ___sys_sendmsg+0xee/0x170
[  539.473566][   T10]      __sys_sendmsg+0xcd/0x170
[  539.473566][   T10]      do_syscall_64+0xc6/0x1e0
[  539.473566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.473566][   T10] 
[  539.475819][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  539.475819][   T10]      netdev_get_by_index+0x5e/0x80
[  539.475819][   T10]      fib6_nh_init+0x3d8/0x1580
[  539.475819][   T10]      ip6_route_info_create+0xf18/0x17d0
[  539.475819][   T10]      addrconf_f6i_alloc+0x315/0x560
[  539.475819][   T10]      ipv6_add_addr+0x411/0x2000
[  539.475819][   T10]      inet6_addr_add+0x30e/0xa40
[  539.475819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  539.475819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.475819][   T10]      netlink_rcv_skb+0x130/0x360
[  539.475819][   T10]      netlink_unicast+0x449/0x710
[  539.475819][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.475819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.475819][   T10]      ___sys_sendmsg+0xee/0x170
[  539.475819][   T10]      __sys_sendmsg+0xcd/0x170
[  539.475819][   T10]      do_syscall_64+0xc6/0x1e0
[  539.475819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.475819][   T10] 
[  539.477842][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  539.477842][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  539.477842][   T10]      ipv6_find_idev+0x102/0x170
[  539.477842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.477842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.477842][   T10]      netlink_rcv_skb+0x130/0x360
[  539.477842][   T10]      netlink_unicast+0x449/0x710
[  539.477842][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.477842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.477842][   T10]      ___sys_sendmsg+0xee/0x170
[  539.477842][   T10]      __sys_sendmsg+0xcd/0x170
[  539.477842][   T10]      do_syscall_64+0xc6/0x1e0
[  539.477842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.477842][   T10] 
[  539.479426][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  539.479426][   T10]      neigh_parms_alloc+0x1e5/0x510
[  539.479426][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  539.479426][   T10]      ipv6_find_idev+0x102/0x170
[  539.479426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  539.479426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  539.479426][   T10]      netlink_rcv_skb+0x130/0x360
[  539.479426][   T10]      netlink_unicast+0x449/0x710
[  539.479426][   T10]      netlink_sendmsg+0x723/0xbe0
[  539.479426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  539.479426][   T10]      ___sys_sendmsg+0xee/0x170
[  539.479426][   T10]      __sys_sendmsg+0xcd/0x170
[  539.479426][   T10]      do_syscall_64+0xc6/0x1e0
[  539.479426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  539.479426][   T10] 
[  540.279765][ T3954] br0: port 1(vx0) entered blocking state
[  540.280035][ T3954] br0: port 1(vx0) entered disabled state
[  540.280207][ T3954] vx0: entered allmulticast mode
[  540.281415][ T3954] vx0: entered promiscuous mode
[  540.283478][ T3954] br0: port 1(vx0) entered blocking state
[  540.283658][ T3954] br0: port 1(vx0) entered forwarding state
[  549.536613][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  549.536946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.536946][   T10]      dst_init+0x84/0x4a0
[  549.536946][   T10]      dst_alloc+0x97/0x150
[  549.536946][   T10]      ip6_dst_alloc+0x23/0x90
[  549.536946][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  549.536946][   T10]      ip6_pol_route+0x56f/0x840
[  549.536946][   T10]      fib6_rule_lookup+0x456/0x630
[  549.536946][   T10]      ip6_route_input+0x59c/0xa50
[  549.536946][   T10]      ipv6_rcv+0x397/0x810
[  549.536946][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  549.536946][   T10]      process_backlog+0x101/0x620
[  549.536946][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  549.536946][   T10]      net_rx_action+0x495/0xbe0
[  549.536946][   T10]      __do_softirq+0x1b5/0x7f6
[  549.536946][   T10] 
[  549.538659][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.538659][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  549.538659][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  549.538659][   T10]      fib6_nh_init+0xa22/0x1580
[  549.538659][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.538659][   T10]      ip6_route_add+0x1c/0x140
[  549.538659][   T10]      inet6_rtm_newroute+0x104/0x110
[  549.538659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.538659][   T10]      netlink_rcv_skb+0x130/0x360
[  549.538659][   T10]      netlink_unicast+0x449/0x710
[  549.538659][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.538659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.538659][   T10]      ___sys_sendmsg+0xee/0x170
[  549.538659][   T10]      __sys_sendmsg+0xcd/0x170
[  549.538659][   T10]      do_syscall_64+0xc6/0x1e0
[  549.538659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.538659][   T10] 
[  549.540623][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.540623][   T10]      netdev_get_by_index+0x5e/0x80
[  549.540623][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.540623][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.540623][   T10]      addrconf_f6i_alloc+0x265/0x560
[  549.540623][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  549.540623][   T10]      addrconf_join_anycast+0x1c0/0x220
[  549.540623][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  549.540623][   T10]      addrconf_dad_completed+0x12b/0xe20
[  549.540623][   T10]      addrconf_dad_begin+0x310/0x670
[  549.540623][   T10]      addrconf_dad_work+0x10b/0xab0
[  549.540623][   T10]      process_one_work+0x84d/0x18a0
[  549.540623][   T10]      worker_thread+0x587/0xd30
[  549.540623][   T10]      kthread+0x28a/0x350
[  549.540623][   T10]      ret_from_fork+0x31/0x70
[  549.540623][   T10]      ret_from_fork_asm+0x1a/0x30
[  549.540623][   T10] 
[  549.542558][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.542558][   T10]      netdev_get_by_index+0x5e/0x80
[  549.542558][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.542558][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.542558][   T10]      ip6_route_add+0x1c/0x140
[  549.542558][   T10]      addrconf_prefix_route+0x2a6/0x430
[  549.542558][   T10]      inet6_addr_add+0x4f8/0xa40
[  549.542558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.542558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.542558][   T10]      netlink_rcv_skb+0x130/0x360
[  549.542558][   T10]      netlink_unicast+0x449/0x710
[  549.542558][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.542558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.542558][   T10]      ___sys_sendmsg+0xee/0x170
[  549.542558][   T10]      __sys_sendmsg+0xcd/0x170
[  549.542558][   T10]      do_syscall_64+0xc6/0x1e0
[  549.542558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.542558][   T10] 
[  549.544635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.544635][   T10]      netdev_get_by_index+0x5e/0x80
[  549.544635][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.544635][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.544635][   T10]      addrconf_f6i_alloc+0x315/0x560
[  549.544635][   T10]      ipv6_add_addr+0x411/0x2000
[  549.544635][   T10]      inet6_addr_add+0x30e/0xa40
[  549.544635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.544635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.544635][   T10]      netlink_rcv_skb+0x130/0x360
[  549.544635][   T10]      netlink_unicast+0x449/0x710
[  549.544635][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.544635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.544635][   T10]      ___sys_sendmsg+0xee/0x170
[  549.544635][   T10]      __sys_sendmsg+0xcd/0x170
[  549.544635][   T10]      do_syscall_64+0xc6/0x1e0
[  549.544635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.544635][   T10] 
[  549.546692][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.546692][   T10]      netdev_get_by_index+0x5e/0x80
[  549.546692][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.546692][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.546692][   T10]      ip6_route_add+0x1c/0x140
[  549.546692][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  549.546692][   T10]      addrconf_add_dev+0xe2/0x170
[  549.546692][   T10]      inet6_addr_add+0x12f/0xa40
[  549.546692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.546692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.546692][   T10]      netlink_rcv_skb+0x130/0x360
[  549.546692][   T10]      netlink_unicast+0x449/0x710
[  549.546692][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.546692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.546692][   T10]      ___sys_sendmsg+0xee/0x170
[  549.546692][   T10]      __sys_sendmsg+0xcd/0x170
[  549.546692][   T10]      do_syscall_64+0xc6/0x1e0
[  549.546692][   T10] 
[  549.548800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.548800][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  549.548800][   T10]      ipv6_find_idev+0x102/0x170
[  549.548800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.548800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.548800][   T10]      netlink_rcv_skb+0x130/0x360
[  549.548800][   T10]      netlink_unicast+0x449/0x710
[  549.548800][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.548800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.548800][   T10]      ___sys_sendmsg+0xee/0x170
[  549.548800][   T10]      __sys_sendmsg+0xcd/0x170
[  549.548800][   T10]      do_syscall_64+0xc6/0x1e0
[  549.548800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.548800][   T10] 
[  549.550514][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  549.550514][   T10]      neigh_parms_alloc+0x1e5/0x510
[  549.550514][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  549.550514][   T10]      ipv6_find_idev+0x102/0x170
[  549.550514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.550514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.550514][   T10]      netlink_rcv_skb+0x130/0x360
[  549.550514][   T10]      netlink_unicast+0x449/0x710
[  549.550514][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.550514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.550514][   T10]      ___sys_sendmsg+0xee/0x170
[  549.550514][   T10]      __sys_sendmsg+0xcd/0x170
[  549.550514][   T10]      do_syscall_64+0xc6/0x1e0
[  549.550514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.550514][   T10] 
[  549.552452][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  549.552769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.552769][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  549.552769][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  549.552769][   T10]      fib6_nh_init+0xa22/0x1580
[  549.552769][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.552769][   T10]      ip6_route_add+0x1c/0x140
[  549.552769][   T10]      inet6_rtm_newroute+0x104/0x110
[  549.552769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.552769][   T10]      netlink_rcv_skb+0x130/0x360
[  549.552769][   T10]      netlink_unicast+0x449/0x710
[  549.552769][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.552769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.552769][   T10]      ___sys_sendmsg+0xee/0x170
[  549.552769][   T10]      __sys_sendmsg+0xcd/0x170
[  549.552769][   T10]      do_syscall_64+0xc6/0x1e0
[  549.552769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.552769][   T10] 
[  549.554995][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.554995][   T10]      dst_init+0x84/0x4a0
[  549.554995][   T10]      dst_alloc+0x97/0x150
[  549.554995][   T10]      ip6_dst_alloc+0x23/0x90
[  549.554995][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  549.554995][   T10]      ip6_pol_route+0x56f/0x840
[  549.554995][   T10]      fib6_rule_lookup+0x456/0x630
[  549.554995][   T10]      ip6_route_input+0x59c/0xa50
[  549.554995][   T10]      ipv6_rcv+0x397/0x810
[  549.554995][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  549.554995][   T10]      process_backlog+0x101/0x620
[  549.554995][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  549.554995][   T10]      net_rx_action+0x495/0xbe0
[  549.554995][   T10]      __do_softirq+0x1b5/0x7f6
[  549.554995][   T10] 
[  549.556953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.556953][   T10]      netdev_get_by_index+0x5e/0x80
[  549.556953][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.556953][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.556953][   T10]      addrconf_f6i_alloc+0x265/0x560
[  549.556953][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  549.556953][   T10]      addrconf_join_anycast+0x1c0/0x220
[  549.556953][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  549.556953][   T10]      addrconf_dad_completed+0x12b/0xe20
[  549.556953][   T10]      addrconf_dad_begin+0x310/0x670
[  549.556953][   T10]      addrconf_dad_work+0x10b/0xab0
[  549.556953][   T10]      process_one_work+0x84d/0x18a0
[  549.556953][   T10]      worker_thread+0x587/0xd30
[  549.556953][   T10]      kthread+0x28a/0x350
[  549.556953][   T10]      ret_from_fork+0x31/0x70
[  549.556953][   T10]      ret_from_fork_asm+0x1a/0x30
[  549.556953][   T10] 
[  549.559163][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.559163][   T10]      netdev_get_by_index+0x5e/0x80
[  549.559163][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.559163][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.559163][   T10]      ip6_route_add+0x1c/0x140
[  549.559163][   T10]      addrconf_prefix_route+0x2a6/0x430
[  549.559163][   T10]      inet6_addr_add+0x4f8/0xa40
[  549.559163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.559163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.559163][   T10]      netlink_rcv_skb+0x130/0x360
[  549.559163][   T10]      netlink_unicast+0x449/0x710
[  549.559163][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.559163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.559163][   T10]      ___sys_sendmsg+0xee/0x170
[  549.559163][   T10]      __sys_sendmsg+0xcd/0x170
[  549.559163][   T10]      do_syscall_64+0xc6/0x1e0
[  549.559163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.559163][   T10] 
[  549.561430][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.561430][   T10]      netdev_get_by_index+0x5e/0x80
[  549.561430][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.561430][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.561430][   T10]      addrconf_f6i_alloc+0x315/0x560
[  549.561430][   T10]      ipv6_add_addr+0x411/0x2000
[  549.561430][   T10]      inet6_addr_add+0x30e/0xa40
[  549.561430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.561430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.561430][   T10]      netlink_rcv_skb+0x130/0x360
[  549.561430][   T10]      netlink_unicast+0x449/0x710
[  549.561430][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.561430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.561430][   T10]      ___sys_sendmsg+0xee/0x170
[  549.561430][   T10]      __sys_sendmsg+0xcd/0x170
[  549.561430][   T10]      do_syscall_64+0xc6/0x1e0
[  549.561430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.561430][   T10] 
[  549.563732][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.563732][   T10]      netdev_get_by_index+0x5e/0x80
[  549.563732][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.563732][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.563732][   T10]      ip6_route_add+0x1c/0x140
[  549.563732][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  549.563732][   T10]      addrconf_add_dev+0xe2/0x170
[  549.563732][   T10]      inet6_addr_add+0x12f/0xa40
[  549.563732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.563732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.563732][   T10]      netlink_rcv_skb+0x130/0x360
[  549.563732][   T10]      netlink_unicast+0x449/0x710
[  549.563732][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.563732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.563732][   T10]      ___sys_sendmsg+0xee/0x170
[  549.563732][   T10]      __sys_sendmsg+0xcd/0x170
[  549.563732][   T10]      do_syscall_64+0xc6/0x1e0
[  549.563732][   T10] 
[  549.565970][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.565970][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  549.565970][   T10]      ipv6_find_idev+0x102/0x170
[  549.565970][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.565970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.565970][   T10]      netlink_rcv_skb+0x130/0x360
[  549.565970][   T10]      netlink_unicast+0x449/0x710
[  549.565970][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.565970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.565970][   T10]      ___sys_sendmsg+0xee/0x170
[  549.565970][   T10]      __sys_sendmsg+0xcd/0x170
[  549.565970][   T10]      do_syscall_64+0xc6/0x1e0
[  549.565970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.565970][   T10] 
[  549.567701][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  549.567701][   T10]      neigh_parms_alloc+0x1e5/0x510
[  549.567701][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  549.567701][   T10]      ipv6_find_idev+0x102/0x170
[  549.567701][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.567701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.567701][   T10]      netlink_rcv_skb+0x130/0x360
[  549.567701][   T10]      netlink_unicast+0x449/0x710
[  549.567701][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.567701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.567701][   T10]      ___sys_sendmsg+0xee/0x170
[  549.567701][   T10]      __sys_sendmsg+0xcd/0x170
[  549.567701][   T10]      do_syscall_64+0xc6/0x1e0
[  549.567701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.567701][   T10] 
[  549.569660][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  549.570158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  549.570158][   T10]      netdev_get_by_index+0x5e/0x80
[  549.570158][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.570158][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.570158][   T10]      ip6_route_add+0x1c/0x140
[  549.570158][   T10]      addrconf_prefix_route+0x2a6/0x430
[  549.570158][   T10]      inet6_addr_add+0x4f8/0xa40
[  549.570158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.570158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.570158][   T10]      netlink_rcv_skb+0x130/0x360
[  549.570158][   T10]      netlink_unicast+0x449/0x710
[  549.570158][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.570158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.570158][   T10]      ___sys_sendmsg+0xee/0x170
[  549.570158][   T10]      __sys_sendmsg+0xcd/0x170
[  549.570158][   T10]      do_syscall_64+0xc6/0x1e0
[  549.570158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.570158][   T10] 
[  549.572464][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  549.572464][   T10]      netdev_get_by_index+0x5e/0x80
[  549.572464][   T10]      fib6_nh_init+0x3d8/0x1580
[  549.572464][   T10]      ip6_route_info_create+0xf18/0x17d0
[  549.572464][   T10]      addrconf_f6i_alloc+0x315/0x560
[  549.572464][   T10]      ipv6_add_addr+0x411/0x2000
[  549.572464][   T10]      inet6_addr_add+0x30e/0xa40
[  549.572464][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  549.572464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.572464][   T10]      netlink_rcv_skb+0x130/0x360
[  549.572464][   T10]      netlink_unicast+0x449/0x710
[  549.572464][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.572464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.572464][   T10]      ___sys_sendmsg+0xee/0x170
[  549.572464][   T10]      __sys_sendmsg+0xcd/0x170
[  549.572464][   T10]      do_syscall_64+0xc6/0x1e0
[  549.572464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.572464][   T10] 
[  549.574801][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  549.574801][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  549.574801][   T10]      ipv6_find_idev+0x102/0x170
[  549.574801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.574801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.574801][   T10]      netlink_rcv_skb+0x130/0x360
[  549.574801][   T10]      netlink_unicast+0x449/0x710
[  549.574801][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.574801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.574801][   T10]      ___sys_sendmsg+0xee/0x170
[  549.574801][   T10]      __sys_sendmsg+0xcd/0x170
[  549.574801][   T10]      do_syscall_64+0xc6/0x1e0
[  549.574801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.574801][   T10] 
[  549.576558][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  549.576558][   T10]      neigh_parms_alloc+0x1e5/0x510
[  549.576558][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  549.576558][   T10]      ipv6_find_idev+0x102/0x170
[  549.576558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  549.576558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  549.576558][   T10]      netlink_rcv_skb+0x130/0x360
[  549.576558][   T10]      netlink_unicast+0x449/0x710
[  549.576558][   T10]      netlink_sendmsg+0x723/0xbe0
[  549.576558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  549.576558][   T10]      ___sys_sendmsg+0xee/0x170
[  549.576558][   T10]      __sys_sendmsg+0xcd/0x170
[  549.576558][   T10]      do_syscall_64+0xc6/0x1e0
[  549.576558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  549.576558][   T10] 
[  552.161353][ T4013] veth0: renamed from veth1
[  556.185426][ T4040] br0: port 1(vx0) entered blocking state
[  556.185704][ T4040] br0: port 1(vx0) entered disabled state
[  556.185881][ T4040] vx0: entered allmulticast mode
[  556.187089][ T4040] vx0: entered promiscuous mode
[  556.188999][ T4040] br0: port 1(vx0) entered blocking state
[  556.189171][ T4040] br0: port 1(vx0) entered forwarding state
[  559.720793][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  559.721101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.721101][   T10]      dst_init+0x84/0x4a0
[  559.721101][   T10]      dst_alloc+0x97/0x150
[  559.721101][   T10]      ip6_dst_alloc+0x23/0x90
[  559.721101][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  559.721101][   T10]      ip6_pol_route+0x56f/0x840
[  559.721101][   T10]      fib6_rule_lookup+0x456/0x630
[  559.721101][   T10]      ip6_route_input+0x59c/0xa50
[  559.721101][   T10]      ipv6_rcv+0x397/0x810
[  559.721101][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  559.721101][   T10]      process_backlog+0x101/0x620
[  559.721101][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  559.721101][   T10]      net_rx_action+0x495/0xbe0
[  559.721101][   T10]      __do_softirq+0x1b5/0x7f6
[  559.721101][   T10] 
[  559.722816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.722816][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  559.722816][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  559.722816][   T10]      fib6_nh_init+0xa22/0x1580
[  559.722816][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.722816][   T10]      ip6_route_add+0x1c/0x140
[  559.722816][   T10]      inet6_rtm_newroute+0x104/0x110
[  559.722816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.722816][   T10]      netlink_rcv_skb+0x130/0x360
[  559.722816][   T10]      netlink_unicast+0x449/0x710
[  559.722816][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.722816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.722816][   T10]      ___sys_sendmsg+0xee/0x170
[  559.722816][   T10]      __sys_sendmsg+0xcd/0x170
[  559.722816][   T10]      do_syscall_64+0xc6/0x1e0
[  559.722816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.722816][   T10] 
[  559.724718][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.724718][   T10]      netdev_get_by_index+0x5e/0x80
[  559.724718][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.724718][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.724718][   T10]      addrconf_f6i_alloc+0x265/0x560
[  559.724718][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  559.724718][   T10]      addrconf_join_anycast+0x1c0/0x220
[  559.724718][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  559.724718][   T10]      addrconf_dad_completed+0x12b/0xe20
[  559.724718][   T10]      addrconf_dad_begin+0x310/0x670
[  559.724718][   T10]      addrconf_dad_work+0x10b/0xab0
[  559.724718][   T10]      process_one_work+0x84d/0x18a0
[  559.724718][   T10]      worker_thread+0x587/0xd30
[  559.724718][   T10]      kthread+0x28a/0x350
[  559.724718][   T10]      ret_from_fork+0x31/0x70
[  559.724718][   T10]      ret_from_fork_asm+0x1a/0x30
[  559.724718][   T10] 
[  559.726668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.726668][   T10]      netdev_get_by_index+0x5e/0x80
[  559.726668][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.726668][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.726668][   T10]      ip6_route_add+0x1c/0x140
[  559.726668][   T10]      addrconf_prefix_route+0x2a6/0x430
[  559.726668][   T10]      inet6_addr_add+0x4f8/0xa40
[  559.726668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.726668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.726668][   T10]      netlink_rcv_skb+0x130/0x360
[  559.726668][   T10]      netlink_unicast+0x449/0x710
[  559.726668][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.726668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.726668][   T10]      ___sys_sendmsg+0xee/0x170
[  559.726668][   T10]      __sys_sendmsg+0xcd/0x170
[  559.726668][   T10]      do_syscall_64+0xc6/0x1e0
[  559.726668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.726668][   T10] 
[  559.728676][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.728676][   T10]      netdev_get_by_index+0x5e/0x80
[  559.728676][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.728676][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.728676][   T10]      addrconf_f6i_alloc+0x315/0x560
[  559.728676][   T10]      ipv6_add_addr+0x411/0x2000
[  559.728676][   T10]      inet6_addr_add+0x30e/0xa40
[  559.728676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.728676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.728676][   T10]      netlink_rcv_skb+0x130/0x360
[  559.728676][   T10]      netlink_unicast+0x449/0x710
[  559.728676][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.728676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.728676][   T10]      ___sys_sendmsg+0xee/0x170
[  559.728676][   T10]      __sys_sendmsg+0xcd/0x170
[  559.728676][   T10]      do_syscall_64+0xc6/0x1e0
[  559.728676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.728676][   T10] 
[  559.730686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.730686][   T10]      netdev_get_by_index+0x5e/0x80
[  559.730686][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.730686][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.730686][   T10]      ip6_route_add+0x1c/0x140
[  559.730686][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  559.730686][   T10]      addrconf_add_dev+0xe2/0x170
[  559.730686][   T10]      inet6_addr_add+0x12f/0xa40
[  559.730686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.730686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.730686][   T10]      netlink_rcv_skb+0x130/0x360
[  559.730686][   T10]      netlink_unicast+0x449/0x710
[  559.730686][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.730686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.730686][   T10]      ___sys_sendmsg+0xee/0x170
[  559.730686][   T10]      __sys_sendmsg+0xcd/0x170
[  559.730686][   T10]      do_syscall_64+0xc6/0x1e0
[  559.730686][   T10] 
[  559.732661][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.732661][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  559.732661][   T10]      ipv6_find_idev+0x102/0x170
[  559.732661][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  559.732661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.732661][   T10]      netlink_rcv_skb+0x130/0x360
[  559.732661][   T10]      netlink_unicast+0x449/0x710
[  559.732661][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.732661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.732661][   T10]      ___sys_sendmsg+0xee/0x170
[  559.732661][   T10]      __sys_sendmsg+0xcd/0x170
[  559.732661][   T10]      do_syscall_64+0xc6/0x1e0
[  559.732661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.732661][   T10] 
[  559.734222][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  559.734222][   T10]      neigh_parms_alloc+0x1e5/0x510
[  559.734222][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  559.734222][   T10]      ipv6_find_idev+0x102/0x170
[  559.734222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  559.734222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.734222][   T10]      netlink_rcv_skb+0x130/0x360
[  559.734222][   T10]      netlink_unicast+0x449/0x710
[  559.734222][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.734222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.734222][   T10]      ___sys_sendmsg+0xee/0x170
[  559.734222][   T10]      __sys_sendmsg+0xcd/0x170
[  559.734222][   T10]      do_syscall_64+0xc6/0x1e0
[  559.734222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.734222][   T10] 
[  559.735989][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  559.736244][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.736244][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  559.736244][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  559.736244][   T10]      fib6_nh_init+0xa22/0x1580
[  559.736244][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.736244][   T10]      ip6_route_add+0x1c/0x140
[  559.736244][   T10]      inet6_rtm_newroute+0x104/0x110
[  559.736244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.736244][   T10]      netlink_rcv_skb+0x130/0x360
[  559.736244][   T10]      netlink_unicast+0x449/0x710
[  559.736244][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.736244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.736244][   T10]      ___sys_sendmsg+0xee/0x170
[  559.736244][   T10]      __sys_sendmsg+0xcd/0x170
[  559.736244][   T10]      do_syscall_64+0xc6/0x1e0
[  559.736244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.736244][   T10] 
[  559.738174][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.738174][   T10]      dst_init+0x84/0x4a0
[  559.738174][   T10]      dst_alloc+0x97/0x150
[  559.738174][   T10]      ip6_dst_alloc+0x23/0x90
[  559.738174][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  559.738174][   T10]      ip6_pol_route+0x56f/0x840
[  559.738174][   T10]      fib6_rule_lookup+0x456/0x630
[  559.738174][   T10]      ip6_route_input+0x59c/0xa50
[  559.738174][   T10]      ipv6_rcv+0x397/0x810
[  559.738174][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  559.738174][   T10]      process_backlog+0x101/0x620
[  559.738174][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  559.738174][   T10]      net_rx_action+0x495/0xbe0
[  559.738174][   T10]      __do_softirq+0x1b5/0x7f6
[  559.738174][   T10] 
[  559.739830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.739830][   T10]      netdev_get_by_index+0x5e/0x80
[  559.739830][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.739830][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.739830][   T10]      addrconf_f6i_alloc+0x265/0x560
[  559.739830][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  559.739830][   T10]      addrconf_join_anycast+0x1c0/0x220
[  559.739830][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  559.739830][   T10]      addrconf_dad_completed+0x12b/0xe20
[  559.739830][   T10]      addrconf_dad_begin+0x310/0x670
[  559.739830][   T10]      addrconf_dad_work+0x10b/0xab0
[  559.739830][   T10]      process_one_work+0x84d/0x18a0
[  559.739830][   T10]      worker_thread+0x587/0xd30
[  559.739830][   T10]      kthread+0x28a/0x350
[  559.739830][   T10]      ret_from_fork+0x31/0x70
[  559.739830][   T10]      ret_from_fork_asm+0x1a/0x30
[  559.739830][   T10] 
[  559.741766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.741766][   T10]      netdev_get_by_index+0x5e/0x80
[  559.741766][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.741766][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.741766][   T10]      ip6_route_add+0x1c/0x140
[  559.741766][   T10]      addrconf_prefix_route+0x2a6/0x430
[  559.741766][   T10]      inet6_addr_add+0x4f8/0xa40
[  559.741766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.741766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.741766][   T10]      netlink_rcv_skb+0x130/0x360
[  559.741766][   T10]      netlink_unicast+0x449/0x710
[  559.741766][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.741766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.741766][   T10]      ___sys_sendmsg+0xee/0x170
[  559.741766][   T10]      __sys_sendmsg+0xcd/0x170
[  559.741766][   T10]      do_syscall_64+0xc6/0x1e0
[  559.741766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.741766][   T10] 
[  559.743832][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.743832][   T10]      netdev_get_by_index+0x5e/0x80
[  559.743832][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.743832][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.743832][   T10]      addrconf_f6i_alloc+0x315/0x560
[  559.743832][   T10]      ipv6_add_addr+0x411/0x2000
[  559.743832][   T10]      inet6_addr_add+0x30e/0xa40
[  559.743832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.743832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.743832][   T10]      netlink_rcv_skb+0x130/0x360
[  559.743832][   T10]      netlink_unicast+0x449/0x710
[  559.743832][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.743832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.743832][   T10]      ___sys_sendmsg+0xee/0x170
[  559.743832][   T10]      __sys_sendmsg+0xcd/0x170
[  559.743832][   T10]      do_syscall_64+0xc6/0x1e0
[  559.743832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.743832][   T10] 
[  559.746089][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.746089][   T10]      netdev_get_by_index+0x5e/0x80
[  559.746089][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.746089][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.746089][   T10]      ip6_route_add+0x1c/0x140
[  559.746089][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  559.746089][   T10]      addrconf_add_dev+0xe2/0x170
[  559.746089][   T10]      inet6_addr_add+0x12f/0xa40
[  559.746089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.746089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.746089][   T10]      netlink_rcv_skb+0x130/0x360
[  559.746089][   T10]      netlink_unicast+0x449/0x710
[  559.746089][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.746089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.746089][   T10]      ___sys_sendmsg+0xee/0x170
[  559.746089][   T10]      __sys_sendmsg+0xcd/0x170
[  559.746089][   T10]      do_syscall_64+0xc6/0x1e0
[  559.746089][   T10] 
[  559.748154][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.748154][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  559.748154][   T10]      ipv6_find_idev+0x102/0x170
[  559.748154][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  559.748154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.748154][   T10]      netlink_rcv_skb+0x130/0x360
[  559.748154][   T10]      netlink_unicast+0x449/0x710
[  559.748154][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.748154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.748154][   T10]      ___sys_sendmsg+0xee/0x170
[  559.748154][   T10]      __sys_sendmsg+0xcd/0x170
[  559.748154][   T10]      do_syscall_64+0xc6/0x1e0
[  559.748154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.748154][   T10] 
[  559.749906][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  559.749906][   T10]      neigh_parms_alloc+0x1e5/0x510
[  559.749906][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  559.749906][   T10]      ipv6_find_idev+0x102/0x170
[  559.749906][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  559.749906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.749906][   T10]      netlink_rcv_skb+0x130/0x360
[  559.749906][   T10]      netlink_unicast+0x449/0x710
[  559.749906][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.749906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.749906][   T10]      ___sys_sendmsg+0xee/0x170
[  559.749906][   T10]      __sys_sendmsg+0xcd/0x170
[  559.749906][   T10]      do_syscall_64+0xc6/0x1e0
[  559.749906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.749906][   T10] 
[  559.751853][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  559.752109][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  559.752109][   T10]      netdev_get_by_index+0x5e/0x80
[  559.752109][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.752109][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.752109][   T10]      ip6_route_add+0x1c/0x140
[  559.752109][   T10]      addrconf_prefix_route+0x2a6/0x430
[  559.752109][   T10]      inet6_addr_add+0x4f8/0xa40
[  559.752109][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.752109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.752109][   T10]      netlink_rcv_skb+0x130/0x360
[  559.752109][   T10]      netlink_unicast+0x449/0x710
[  559.752109][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.752109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.752109][   T10]      ___sys_sendmsg+0xee/0x170
[  559.752109][   T10]      __sys_sendmsg+0xcd/0x170
[  559.752109][   T10]      do_syscall_64+0xc6/0x1e0
[  559.752109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.752109][   T10] 
[  559.754271][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  559.754271][   T10]      netdev_get_by_index+0x5e/0x80
[  559.754271][   T10]      fib6_nh_init+0x3d8/0x1580
[  559.754271][   T10]      ip6_route_info_create+0xf18/0x17d0
[  559.754271][   T10]      addrconf_f6i_alloc+0x315/0x560
[  559.754271][   T10]      ipv6_add_addr+0x411/0x2000
[  559.754271][   T10]      inet6_addr_add+0x30e/0xa40
[  559.754271][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  559.754271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.754271][   T10]      netlink_rcv_skb+0x130/0x360
[  559.754271][   T10]      netlink_unicast+0x449/0x710
[  559.754271][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.754271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.754271][   T10]      ___sys_sendmsg+0xee/0x170
[  559.754271][   T10]      __sys_sendmsg+0xcd/0x170
[  559.754271][   T10]      do_syscall_64+0xc6/0x1e0
[  559.754271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.754271][   T10] 
[  559.756341][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  559.756341][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  559.756341][   T10]      ipv6_find_idev+0x102/0x170
[  559.756341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  559.756341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.756341][   T10]      netlink_rcv_skb+0x130/0x360
[  559.756341][   T10]      netlink_unicast+0x449/0x710
[  559.756341][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.756341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.756341][   T10]      ___sys_sendmsg+0xee/0x170
[  559.756341][   T10]      __sys_sendmsg+0xcd/0x170
[  559.756341][   T10]      do_syscall_64+0xc6/0x1e0
[  559.756341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.756341][   T10] 
[  559.758172][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  559.758172][   T10]      neigh_parms_alloc+0x1e5/0x510
[  559.758172][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  559.758172][   T10]      ipv6_find_idev+0x102/0x170
[  559.758172][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  559.758172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  559.758172][   T10]      netlink_rcv_skb+0x130/0x360
[  559.758172][   T10]      netlink_unicast+0x449/0x710
[  559.758172][   T10]      netlink_sendmsg+0x723/0xbe0
[  559.758172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  559.758172][   T10]      ___sys_sendmsg+0xee/0x170
[  559.758172][   T10]      __sys_sendmsg+0xcd/0x170
[  559.758172][   T10]      do_syscall_64+0xc6/0x1e0
[  559.758172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  559.758172][   T10] 
[  561.701891][ T4070] br0: port 1(vx0) entered blocking state
[  561.702153][ T4070] br0: port 1(vx0) entered disabled state
[  561.702334][ T4070] vx0: entered allmulticast mode
[  561.703519][ T4070] vx0: entered promiscuous mode
[  561.705437][ T4070] br0: port 1(vx0) entered blocking state
[  561.705619][ T4070] br0: port 1(vx0) entered forwarding state
[  565.779189][ T4101] veth0: renamed from veth1
[  569.721454][ T4128] br0: port 1(vx0) entered blocking state
[  569.721737][ T4128] br0: port 1(vx0) entered disabled state
[  569.721933][ T4128] vx0: entered allmulticast mode
[  569.723544][ T4128] vx0: entered promiscuous mode
[  569.725414][ T4128] br0: port 1(vx0) entered blocking state
[  569.725589][ T4128] br0: port 1(vx0) entered forwarding state
[  569.881605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  569.882003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.882003][   T10]      dst_init+0x84/0x4a0
[  569.882003][   T10]      dst_alloc+0x97/0x150
[  569.882003][   T10]      ip6_dst_alloc+0x23/0x90
[  569.882003][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  569.882003][   T10]      ip6_pol_route+0x56f/0x840
[  569.882003][   T10]      fib6_rule_lookup+0x456/0x630
[  569.882003][   T10]      ip6_route_input+0x59c/0xa50
[  569.882003][   T10]      ipv6_rcv+0x397/0x810
[  569.882003][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  569.882003][   T10]      process_backlog+0x101/0x620
[  569.882003][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  569.882003][   T10]      net_rx_action+0x495/0xbe0
[  569.882003][   T10]      __do_softirq+0x1b5/0x7f6
[  569.882003][   T10] 
[  569.883700][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.883700][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  569.883700][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  569.883700][   T10]      fib6_nh_init+0xa22/0x1580
[  569.883700][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.883700][   T10]      ip6_route_add+0x1c/0x140
[  569.883700][   T10]      inet6_rtm_newroute+0x104/0x110
[  569.883700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.883700][   T10]      netlink_rcv_skb+0x130/0x360
[  569.883700][   T10]      netlink_unicast+0x449/0x710
[  569.883700][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.883700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.883700][   T10]      ___sys_sendmsg+0xee/0x170
[  569.883700][   T10]      __sys_sendmsg+0xcd/0x170
[  569.883700][   T10]      do_syscall_64+0xc6/0x1e0
[  569.883700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.883700][   T10] 
[  569.885589][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.885589][   T10]      netdev_get_by_index+0x5e/0x80
[  569.885589][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.885589][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.885589][   T10]      addrconf_f6i_alloc+0x265/0x560
[  569.885589][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  569.885589][   T10]      addrconf_join_anycast+0x1c0/0x220
[  569.885589][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  569.885589][   T10]      addrconf_dad_completed+0x12b/0xe20
[  569.885589][   T10]      addrconf_dad_begin+0x310/0x670
[  569.885589][   T10]      addrconf_dad_work+0x10b/0xab0
[  569.885589][   T10]      process_one_work+0x84d/0x18a0
[  569.885589][   T10]      worker_thread+0x587/0xd30
[  569.885589][   T10]      kthread+0x28a/0x350
[  569.885589][   T10]      ret_from_fork+0x31/0x70
[  569.885589][   T10]      ret_from_fork_asm+0x1a/0x30
[  569.885589][   T10] 
[  569.887506][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.887506][   T10]      netdev_get_by_index+0x5e/0x80
[  569.887506][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.887506][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.887506][   T10]      ip6_route_add+0x1c/0x140
[  569.887506][   T10]      addrconf_prefix_route+0x2a6/0x430
[  569.887506][   T10]      inet6_addr_add+0x4f8/0xa40
[  569.887506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.887506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.887506][   T10]      netlink_rcv_skb+0x130/0x360
[  569.887506][   T10]      netlink_unicast+0x449/0x710
[  569.887506][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.887506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.887506][   T10]      ___sys_sendmsg+0xee/0x170
[  569.887506][   T10]      __sys_sendmsg+0xcd/0x170
[  569.887506][   T10]      do_syscall_64+0xc6/0x1e0
[  569.887506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.887506][   T10] 
[  569.889515][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.889515][   T10]      netdev_get_by_index+0x5e/0x80
[  569.889515][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.889515][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.889515][   T10]      addrconf_f6i_alloc+0x315/0x560
[  569.889515][   T10]      ipv6_add_addr+0x411/0x2000
[  569.889515][   T10]      inet6_addr_add+0x30e/0xa40
[  569.889515][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.889515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.889515][   T10]      netlink_rcv_skb+0x130/0x360
[  569.889515][   T10]      netlink_unicast+0x449/0x710
[  569.889515][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.889515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.889515][   T10]      ___sys_sendmsg+0xee/0x170
[  569.889515][   T10]      __sys_sendmsg+0xcd/0x170
[  569.889515][   T10]      do_syscall_64+0xc6/0x1e0
[  569.889515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.889515][   T10] 
[  569.891529][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.891529][   T10]      netdev_get_by_index+0x5e/0x80
[  569.891529][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.891529][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.891529][   T10]      ip6_route_add+0x1c/0x140
[  569.891529][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  569.891529][   T10]      addrconf_add_dev+0xe2/0x170
[  569.891529][   T10]      inet6_addr_add+0x12f/0xa40
[  569.891529][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.891529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.891529][   T10]      netlink_rcv_skb+0x130/0x360
[  569.891529][   T10]      netlink_unicast+0x449/0x710
[  569.891529][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.891529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.891529][   T10]      ___sys_sendmsg+0xee/0x170
[  569.891529][   T10]      __sys_sendmsg+0xcd/0x170
[  569.891529][   T10]      do_syscall_64+0xc6/0x1e0
[  569.891529][   T10] 
[  569.893512][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.893512][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  569.893512][   T10]      ipv6_find_idev+0x102/0x170
[  569.893512][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  569.893512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.893512][   T10]      netlink_rcv_skb+0x130/0x360
[  569.893512][   T10]      netlink_unicast+0x449/0x710
[  569.893512][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.893512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.893512][   T10]      ___sys_sendmsg+0xee/0x170
[  569.893512][   T10]      __sys_sendmsg+0xcd/0x170
[  569.893512][   T10]      do_syscall_64+0xc6/0x1e0
[  569.893512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.893512][   T10] 
[  569.895059][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  569.895059][   T10]      neigh_parms_alloc+0x1e5/0x510
[  569.895059][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  569.895059][   T10]      ipv6_find_idev+0x102/0x170
[  569.895059][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  569.895059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.895059][   T10]      netlink_rcv_skb+0x130/0x360
[  569.895059][   T10]      netlink_unicast+0x449/0x710
[  569.895059][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.895059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.895059][   T10]      ___sys_sendmsg+0xee/0x170
[  569.895059][   T10]      __sys_sendmsg+0xcd/0x170
[  569.895059][   T10]      do_syscall_64+0xc6/0x1e0
[  569.895059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.895059][   T10] 
[  569.896780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  569.897030][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.897030][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  569.897030][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  569.897030][   T10]      fib6_nh_init+0xa22/0x1580
[  569.897030][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.897030][   T10]      ip6_route_add+0x1c/0x140
[  569.897030][   T10]      inet6_rtm_newroute+0x104/0x110
[  569.897030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.897030][   T10]      netlink_rcv_skb+0x130/0x360
[  569.897030][   T10]      netlink_unicast+0x449/0x710
[  569.897030][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.897030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.897030][   T10]      ___sys_sendmsg+0xee/0x170
[  569.897030][   T10]      __sys_sendmsg+0xcd/0x170
[  569.897030][   T10]      do_syscall_64+0xc6/0x1e0
[  569.897030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.897030][   T10] 
[  569.898944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.898944][   T10]      dst_init+0x84/0x4a0
[  569.898944][   T10]      dst_alloc+0x97/0x150
[  569.898944][   T10]      ip6_dst_alloc+0x23/0x90
[  569.898944][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  569.898944][   T10]      ip6_pol_route+0x56f/0x840
[  569.898944][   T10]      fib6_rule_lookup+0x456/0x630
[  569.898944][   T10]      ip6_route_input+0x59c/0xa50
[  569.898944][   T10]      ipv6_rcv+0x397/0x810
[  569.898944][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  569.898944][   T10]      process_backlog+0x101/0x620
[  569.898944][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  569.898944][   T10]      net_rx_action+0x495/0xbe0
[  569.898944][   T10]      __do_softirq+0x1b5/0x7f6
[  569.898944][   T10] 
[  569.900588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.900588][   T10]      netdev_get_by_index+0x5e/0x80
[  569.900588][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.900588][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.900588][   T10]      addrconf_f6i_alloc+0x265/0x560
[  569.900588][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  569.900588][   T10]      addrconf_join_anycast+0x1c0/0x220
[  569.900588][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  569.900588][   T10]      addrconf_dad_completed+0x12b/0xe20
[  569.900588][   T10]      addrconf_dad_begin+0x310/0x670
[  569.900588][   T10]      addrconf_dad_work+0x10b/0xab0
[  569.900588][   T10]      process_one_work+0x84d/0x18a0
[  569.900588][   T10]      worker_thread+0x587/0xd30
[  569.900588][   T10]      kthread+0x28a/0x350
[  569.900588][   T10]      ret_from_fork+0x31/0x70
[  569.900588][   T10]      ret_from_fork_asm+0x1a/0x30
[  569.900588][   T10] 
[  569.902504][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.902504][   T10]      netdev_get_by_index+0x5e/0x80
[  569.902504][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.902504][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.902504][   T10]      ip6_route_add+0x1c/0x140
[  569.902504][   T10]      addrconf_prefix_route+0x2a6/0x430
[  569.902504][   T10]      inet6_addr_add+0x4f8/0xa40
[  569.902504][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.902504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.902504][   T10]      netlink_rcv_skb+0x130/0x360
[  569.902504][   T10]      netlink_unicast+0x449/0x710
[  569.902504][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.902504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.902504][   T10]      ___sys_sendmsg+0xee/0x170
[  569.902504][   T10]      __sys_sendmsg+0xcd/0x170
[  569.902504][   T10]      do_syscall_64+0xc6/0x1e0
[  569.902504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.902504][   T10] 
[  569.904524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.904524][   T10]      netdev_get_by_index+0x5e/0x80
[  569.904524][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.904524][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.904524][   T10]      addrconf_f6i_alloc+0x315/0x560
[  569.904524][   T10]      ipv6_add_addr+0x411/0x2000
[  569.904524][   T10]      inet6_addr_add+0x30e/0xa40
[  569.904524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.904524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.904524][   T10]      netlink_rcv_skb+0x130/0x360
[  569.904524][   T10]      netlink_unicast+0x449/0x710
[  569.904524][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.904524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.904524][   T10]      ___sys_sendmsg+0xee/0x170
[  569.904524][   T10]      __sys_sendmsg+0xcd/0x170
[  569.904524][   T10]      do_syscall_64+0xc6/0x1e0
[  569.904524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.904524][   T10] 
[  569.906684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.906684][   T10]      netdev_get_by_index+0x5e/0x80
[  569.906684][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.906684][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.906684][   T10]      ip6_route_add+0x1c/0x140
[  569.906684][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  569.906684][   T10]      addrconf_add_dev+0xe2/0x170
[  569.906684][   T10]      inet6_addr_add+0x12f/0xa40
[  569.906684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.906684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.906684][   T10]      netlink_rcv_skb+0x130/0x360
[  569.906684][   T10]      netlink_unicast+0x449/0x710
[  569.906684][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.906684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.906684][   T10]      ___sys_sendmsg+0xee/0x170
[  569.906684][   T10]      __sys_sendmsg+0xcd/0x170
[  569.906684][   T10]      do_syscall_64+0xc6/0x1e0
[  569.906684][   T10] 
[  569.908847][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.908847][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  569.908847][   T10]      ipv6_find_idev+0x102/0x170
[  569.908847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  569.908847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.908847][   T10]      netlink_rcv_skb+0x130/0x360
[  569.908847][   T10]      netlink_unicast+0x449/0x710
[  569.908847][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.908847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.908847][   T10]      ___sys_sendmsg+0xee/0x170
[  569.908847][   T10]      __sys_sendmsg+0xcd/0x170
[  569.908847][   T10]      do_syscall_64+0xc6/0x1e0
[  569.908847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.908847][   T10] 
[  569.910639][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  569.910639][   T10]      neigh_parms_alloc+0x1e5/0x510
[  569.910639][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  569.910639][   T10]      ipv6_find_idev+0x102/0x170
[  569.910639][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  569.910639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.910639][   T10]      netlink_rcv_skb+0x130/0x360
[  569.910639][   T10]      netlink_unicast+0x449/0x710
[  569.910639][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.910639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.910639][   T10]      ___sys_sendmsg+0xee/0x170
[  569.910639][   T10]      __sys_sendmsg+0xcd/0x170
[  569.910639][   T10]      do_syscall_64+0xc6/0x1e0
[  569.910639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.910639][   T10] 
[  569.912541][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  569.912802][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  569.912802][   T10]      netdev_get_by_index+0x5e/0x80
[  569.912802][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.912802][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.912802][   T10]      ip6_route_add+0x1c/0x140
[  569.912802][   T10]      addrconf_prefix_route+0x2a6/0x430
[  569.912802][   T10]      inet6_addr_add+0x4f8/0xa40
[  569.912802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.912802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.912802][   T10]      netlink_rcv_skb+0x130/0x360
[  569.912802][   T10]      netlink_unicast+0x449/0x710
[  569.912802][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.912802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.912802][   T10]      ___sys_sendmsg+0xee/0x170
[  569.912802][   T10]      __sys_sendmsg+0xcd/0x170
[  569.912802][   T10]      do_syscall_64+0xc6/0x1e0
[  569.912802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.912802][   T10] 
[  569.915022][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  569.915022][   T10]      netdev_get_by_index+0x5e/0x80
[  569.915022][   T10]      fib6_nh_init+0x3d8/0x1580
[  569.915022][   T10]      ip6_route_info_create+0xf18/0x17d0
[  569.915022][   T10]      addrconf_f6i_alloc+0x315/0x560
[  569.915022][   T10]      ipv6_add_addr+0x411/0x2000
[  569.915022][   T10]      inet6_addr_add+0x30e/0xa40
[  569.915022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  569.915022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.915022][   T10]      netlink_rcv_skb+0x130/0x360
[  569.915022][   T10]      netlink_unicast+0x449/0x710
[  569.915022][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.915022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.915022][   T10]      ___sys_sendmsg+0xee/0x170
[  569.915022][   T10]      __sys_sendmsg+0xcd/0x170
[  569.915022][   T10]      do_syscall_64+0xc6/0x1e0
[  569.915022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.915022][   T10] 
[  569.917218][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  569.917218][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  569.917218][   T10]      ipv6_find_idev+0x102/0x170
[  569.917218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  569.917218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.917218][   T10]      netlink_rcv_skb+0x130/0x360
[  569.917218][   T10]      netlink_unicast+0x449/0x710
[  569.917218][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.917218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.917218][   T10]      ___sys_sendmsg+0xee/0x170
[  569.917218][   T10]      __sys_sendmsg+0xcd/0x170
[  569.917218][   T10]      do_syscall_64+0xc6/0x1e0
[  569.917218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.917218][   T10] 
[  569.918955][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  569.918955][   T10]      neigh_parms_alloc+0x1e5/0x510
[  569.918955][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  569.918955][   T10]      ipv6_find_idev+0x102/0x170
[  569.918955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  569.918955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  569.918955][   T10]      netlink_rcv_skb+0x130/0x360
[  569.918955][   T10]      netlink_unicast+0x449/0x710
[  569.918955][   T10]      netlink_sendmsg+0x723/0xbe0
[  569.918955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  569.918955][   T10]      ___sys_sendmsg+0xee/0x170
[  569.918955][   T10]      __sys_sendmsg+0xcd/0x170
[  569.918955][   T10]      do_syscall_64+0xc6/0x1e0
[  569.918955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  569.918955][   T10] 
[  575.339801][ T4158] br0: port 1(vx0) entered blocking state
[  575.340085][ T4158] br0: port 1(vx0) entered disabled state
[  575.340266][ T4158] vx0: entered allmulticast mode
[  575.341461][ T4158] vx0: entered promiscuous mode
[  575.343316][ T4158] br0: port 1(vx0) entered blocking state
[  575.343502][ T4158] br0: port 1(vx0) entered forwarding state
[  580.016735][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  580.017207][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.017207][   T10]      dst_init+0x84/0x4a0
[  580.017207][   T10]      dst_alloc+0x97/0x150
[  580.017207][   T10]      ip6_dst_alloc+0x23/0x90
[  580.017207][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  580.017207][   T10]      ip6_pol_route+0x56f/0x840
[  580.017207][   T10]      fib6_rule_lookup+0x456/0x630
[  580.017207][   T10]      ip6_route_input+0x59c/0xa50
[  580.017207][   T10]      ipv6_rcv+0x397/0x810
[  580.017207][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  580.017207][   T10]      process_backlog+0x101/0x620
[  580.017207][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  580.017207][   T10]      net_rx_action+0x495/0xbe0
[  580.017207][   T10]      __do_softirq+0x1b5/0x7f6
[  580.017207][   T10] 
[  580.018963][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.018963][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  580.018963][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  580.018963][   T10]      fib6_nh_init+0xa22/0x1580
[  580.018963][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.018963][   T10]      ip6_route_add+0x1c/0x140
[  580.018963][   T10]      inet6_rtm_newroute+0x104/0x110
[  580.018963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.018963][   T10]      netlink_rcv_skb+0x130/0x360
[  580.018963][   T10]      netlink_unicast+0x449/0x710
[  580.018963][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.018963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.018963][   T10]      ___sys_sendmsg+0xee/0x170
[  580.018963][   T10]      __sys_sendmsg+0xcd/0x170
[  580.018963][   T10]      do_syscall_64+0xc6/0x1e0
[  580.018963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.018963][   T10] 
[  580.020905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.020905][   T10]      netdev_get_by_index+0x5e/0x80
[  580.020905][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.020905][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.020905][   T10]      addrconf_f6i_alloc+0x265/0x560
[  580.020905][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  580.020905][   T10]      addrconf_join_anycast+0x1c0/0x220
[  580.020905][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  580.020905][   T10]      addrconf_dad_completed+0x12b/0xe20
[  580.020905][   T10]      addrconf_dad_begin+0x310/0x670
[  580.020905][   T10]      addrconf_dad_work+0x10b/0xab0
[  580.020905][   T10]      process_one_work+0x84d/0x18a0
[  580.020905][   T10]      worker_thread+0x587/0xd30
[  580.020905][   T10]      kthread+0x28a/0x350
[  580.020905][   T10]      ret_from_fork+0x31/0x70
[  580.020905][   T10]      ret_from_fork_asm+0x1a/0x30
[  580.020905][   T10] 
[  580.022876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.022876][   T10]      netdev_get_by_index+0x5e/0x80
[  580.022876][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.022876][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.022876][   T10]      ip6_route_add+0x1c/0x140
[  580.022876][   T10]      addrconf_prefix_route+0x2a6/0x430
[  580.022876][   T10]      inet6_addr_add+0x4f8/0xa40
[  580.022876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.022876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.022876][   T10]      netlink_rcv_skb+0x130/0x360
[  580.022876][   T10]      netlink_unicast+0x449/0x710
[  580.022876][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.022876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.022876][   T10]      ___sys_sendmsg+0xee/0x170
[  580.022876][   T10]      __sys_sendmsg+0xcd/0x170
[  580.022876][   T10]      do_syscall_64+0xc6/0x1e0
[  580.022876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.022876][   T10] 
[  580.024912][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.024912][   T10]      netdev_get_by_index+0x5e/0x80
[  580.024912][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.024912][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.024912][   T10]      addrconf_f6i_alloc+0x315/0x560
[  580.024912][   T10]      ipv6_add_addr+0x411/0x2000
[  580.024912][   T10]      inet6_addr_add+0x30e/0xa40
[  580.024912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.024912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.024912][   T10]      netlink_rcv_skb+0x130/0x360
[  580.024912][   T10]      netlink_unicast+0x449/0x710
[  580.024912][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.024912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.024912][   T10]      ___sys_sendmsg+0xee/0x170
[  580.024912][   T10]      __sys_sendmsg+0xcd/0x170
[  580.024912][   T10]      do_syscall_64+0xc6/0x1e0
[  580.024912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.024912][   T10] 
[  580.026962][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.026962][   T10]      netdev_get_by_index+0x5e/0x80
[  580.026962][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.026962][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.026962][   T10]      ip6_route_add+0x1c/0x140
[  580.026962][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  580.026962][   T10]      addrconf_add_dev+0xe2/0x170
[  580.026962][   T10]      inet6_addr_add+0x12f/0xa40
[  580.026962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.026962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.026962][   T10]      netlink_rcv_skb+0x130/0x360
[  580.026962][   T10]      netlink_unicast+0x449/0x710
[  580.026962][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.026962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.026962][   T10]      ___sys_sendmsg+0xee/0x170
[  580.026962][   T10]      __sys_sendmsg+0xcd/0x170
[  580.026962][   T10]      do_syscall_64+0xc6/0x1e0
[  580.026962][   T10] 
[  580.028964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.028964][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  580.028964][   T10]      ipv6_find_idev+0x102/0x170
[  580.028964][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.028964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.028964][   T10]      netlink_rcv_skb+0x130/0x360
[  580.028964][   T10]      netlink_unicast+0x449/0x710
[  580.028964][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.028964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.028964][   T10]      ___sys_sendmsg+0xee/0x170
[  580.028964][   T10]      __sys_sendmsg+0xcd/0x170
[  580.028964][   T10]      do_syscall_64+0xc6/0x1e0
[  580.028964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.028964][   T10] 
[  580.030543][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  580.030543][   T10]      neigh_parms_alloc+0x1e5/0x510
[  580.030543][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  580.030543][   T10]      ipv6_find_idev+0x102/0x170
[  580.030543][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.030543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.030543][   T10]      netlink_rcv_skb+0x130/0x360
[  580.030543][   T10]      netlink_unicast+0x449/0x710
[  580.030543][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.030543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.030543][   T10]      ___sys_sendmsg+0xee/0x170
[  580.030543][   T10]      __sys_sendmsg+0xcd/0x170
[  580.030543][   T10]      do_syscall_64+0xc6/0x1e0
[  580.030543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.030543][   T10] 
[  580.032284][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  580.032530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.032530][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  580.032530][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  580.032530][   T10]      fib6_nh_init+0xa22/0x1580
[  580.032530][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.032530][   T10]      ip6_route_add+0x1c/0x140
[  580.032530][   T10]      inet6_rtm_newroute+0x104/0x110
[  580.032530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.032530][   T10]      netlink_rcv_skb+0x130/0x360
[  580.032530][   T10]      netlink_unicast+0x449/0x710
[  580.032530][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.032530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.032530][   T10]      ___sys_sendmsg+0xee/0x170
[  580.032530][   T10]      __sys_sendmsg+0xcd/0x170
[  580.032530][   T10]      do_syscall_64+0xc6/0x1e0
[  580.032530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.032530][   T10] 
[  580.034468][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.034468][   T10]      dst_init+0x84/0x4a0
[  580.034468][   T10]      dst_alloc+0x97/0x150
[  580.034468][   T10]      ip6_dst_alloc+0x23/0x90
[  580.034468][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  580.034468][   T10]      ip6_pol_route+0x56f/0x840
[  580.034468][   T10]      fib6_rule_lookup+0x456/0x630
[  580.034468][   T10]      ip6_route_input+0x59c/0xa50
[  580.034468][   T10]      ipv6_rcv+0x397/0x810
[  580.034468][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  580.034468][   T10]      process_backlog+0x101/0x620
[  580.034468][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  580.034468][   T10]      net_rx_action+0x495/0xbe0
[  580.034468][   T10]      __do_softirq+0x1b5/0x7f6
[  580.034468][   T10] 
[  580.036142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.036142][   T10]      netdev_get_by_index+0x5e/0x80
[  580.036142][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.036142][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.036142][   T10]      addrconf_f6i_alloc+0x265/0x560
[  580.036142][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  580.036142][   T10]      addrconf_join_anycast+0x1c0/0x220
[  580.036142][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  580.036142][   T10]      addrconf_dad_completed+0x12b/0xe20
[  580.036142][   T10]      addrconf_dad_begin+0x310/0x670
[  580.036142][   T10]      addrconf_dad_work+0x10b/0xab0
[  580.036142][   T10]      process_one_work+0x84d/0x18a0
[  580.036142][   T10]      worker_thread+0x587/0xd30
[  580.036142][   T10]      kthread+0x28a/0x350
[  580.036142][   T10]      ret_from_fork+0x31/0x70
[  580.036142][   T10]      ret_from_fork_asm+0x1a/0x30
[  580.036142][   T10] 
[  580.038080][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.038080][   T10]      netdev_get_by_index+0x5e/0x80
[  580.038080][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.038080][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.038080][   T10]      ip6_route_add+0x1c/0x140
[  580.038080][   T10]      addrconf_prefix_route+0x2a6/0x430
[  580.038080][   T10]      inet6_addr_add+0x4f8/0xa40
[  580.038080][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.038080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.038080][   T10]      netlink_rcv_skb+0x130/0x360
[  580.038080][   T10]      netlink_unicast+0x449/0x710
[  580.038080][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.038080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.038080][   T10]      ___sys_sendmsg+0xee/0x170
[  580.038080][   T10]      __sys_sendmsg+0xcd/0x170
[  580.038080][   T10]      do_syscall_64+0xc6/0x1e0
[  580.038080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.038080][   T10] 
[  580.040117][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.040117][   T10]      netdev_get_by_index+0x5e/0x80
[  580.040117][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.040117][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.040117][   T10]      addrconf_f6i_alloc+0x315/0x560
[  580.040117][   T10]      ipv6_add_addr+0x411/0x2000
[  580.040117][   T10]      inet6_addr_add+0x30e/0xa40
[  580.040117][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.040117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.040117][   T10]      netlink_rcv_skb+0x130/0x360
[  580.040117][   T10]      netlink_unicast+0x449/0x710
[  580.040117][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.040117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.040117][   T10]      ___sys_sendmsg+0xee/0x170
[  580.040117][   T10]      __sys_sendmsg+0xcd/0x170
[  580.040117][   T10]      do_syscall_64+0xc6/0x1e0
[  580.040117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.040117][   T10] 
[  580.042158][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.042158][   T10]      netdev_get_by_index+0x5e/0x80
[  580.042158][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.042158][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.042158][   T10]      ip6_route_add+0x1c/0x140
[  580.042158][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  580.042158][   T10]      addrconf_add_dev+0xe2/0x170
[  580.042158][   T10]      inet6_addr_add+0x12f/0xa40
[  580.042158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.042158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.042158][   T10]      netlink_rcv_skb+0x130/0x360
[  580.042158][   T10]      netlink_unicast+0x449/0x710
[  580.042158][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.042158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.042158][   T10]      ___sys_sendmsg+0xee/0x170
[  580.042158][   T10]      __sys_sendmsg+0xcd/0x170
[  580.042158][   T10]      do_syscall_64+0xc6/0x1e0
[  580.042158][   T10] 
[  580.044366][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.044366][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  580.044366][   T10]      ipv6_find_idev+0x102/0x170
[  580.044366][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.044366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.044366][   T10]      netlink_rcv_skb+0x130/0x360
[  580.044366][   T10]      netlink_unicast+0x449/0x710
[  580.044366][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.044366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.044366][   T10]      ___sys_sendmsg+0xee/0x170
[  580.044366][   T10]      __sys_sendmsg+0xcd/0x170
[  580.044366][   T10]      do_syscall_64+0xc6/0x1e0
[  580.044366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.044366][   T10] 
[  580.046119][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  580.046119][   T10]      neigh_parms_alloc+0x1e5/0x510
[  580.046119][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  580.046119][   T10]      ipv6_find_idev+0x102/0x170
[  580.046119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.046119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.046119][   T10]      netlink_rcv_skb+0x130/0x360
[  580.046119][   T10]      netlink_unicast+0x449/0x710
[  580.046119][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.046119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.046119][   T10]      ___sys_sendmsg+0xee/0x170
[  580.046119][   T10]      __sys_sendmsg+0xcd/0x170
[  580.046119][   T10]      do_syscall_64+0xc6/0x1e0
[  580.046119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.046119][   T10] 
[  580.048018][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  580.048270][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  580.048270][   T10]      netdev_get_by_index+0x5e/0x80
[  580.048270][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.048270][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.048270][   T10]      ip6_route_add+0x1c/0x140
[  580.048270][   T10]      addrconf_prefix_route+0x2a6/0x430
[  580.048270][   T10]      inet6_addr_add+0x4f8/0xa40
[  580.048270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.048270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.048270][   T10]      netlink_rcv_skb+0x130/0x360
[  580.048270][   T10]      netlink_unicast+0x449/0x710
[  580.048270][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.048270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.048270][   T10]      ___sys_sendmsg+0xee/0x170
[  580.048270][   T10]      __sys_sendmsg+0xcd/0x170
[  580.048270][   T10]      do_syscall_64+0xc6/0x1e0
[  580.048270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.048270][   T10] 
[  580.050620][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  580.050620][   T10]      netdev_get_by_index+0x5e/0x80
[  580.050620][   T10]      fib6_nh_init+0x3d8/0x1580
[  580.050620][   T10]      ip6_route_info_create+0xf18/0x17d0
[  580.050620][   T10]      addrconf_f6i_alloc+0x315/0x560
[  580.050620][   T10]      ipv6_add_addr+0x411/0x2000
[  580.050620][   T10]      inet6_addr_add+0x30e/0xa40
[  580.050620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  580.050620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.050620][   T10]      netlink_rcv_skb+0x130/0x360
[  580.050620][   T10]      netlink_unicast+0x449/0x710
[  580.050620][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.050620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.050620][   T10]      ___sys_sendmsg+0xee/0x170
[  580.050620][   T10]      __sys_sendmsg+0xcd/0x170
[  580.050620][   T10]      do_syscall_64+0xc6/0x1e0
[  580.050620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.050620][   T10] 
[  580.052904][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  580.052904][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  580.052904][   T10]      ipv6_find_idev+0x102/0x170
[  580.052904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.052904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.052904][   T10]      netlink_rcv_skb+0x130/0x360
[  580.052904][   T10]      netlink_unicast+0x449/0x710
[  580.052904][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.052904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.052904][   T10]      ___sys_sendmsg+0xee/0x170
[  580.052904][   T10]      __sys_sendmsg+0xcd/0x170
[  580.052904][   T10]      do_syscall_64+0xc6/0x1e0
[  580.052904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.052904][   T10] 
[  580.054656][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  580.054656][   T10]      neigh_parms_alloc+0x1e5/0x510
[  580.054656][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  580.054656][   T10]      ipv6_find_idev+0x102/0x170
[  580.054656][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  580.054656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  580.054656][   T10]      netlink_rcv_skb+0x130/0x360
[  580.054656][   T10]      netlink_unicast+0x449/0x710
[  580.054656][   T10]      netlink_sendmsg+0x723/0xbe0
[  580.054656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  580.054656][   T10]      ___sys_sendmsg+0xee/0x170
[  580.054656][   T10]      __sys_sendmsg+0xcd/0x170
[  580.054656][   T10]      do_syscall_64+0xc6/0x1e0
[  580.054656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  580.054656][   T10] 
[  587.227374][ T4217] veth0: renamed from veth1
[  590.105605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  590.106007][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.106007][   T10]      dst_init+0x84/0x4a0
[  590.106007][   T10]      dst_alloc+0x97/0x150
[  590.106007][   T10]      ip6_dst_alloc+0x23/0x90
[  590.106007][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  590.106007][   T10]      ip6_pol_route+0x56f/0x840
[  590.106007][   T10]      fib6_rule_lookup+0x456/0x630
[  590.106007][   T10]      ip6_route_input+0x59c/0xa50
[  590.106007][   T10]      ipv6_rcv+0x397/0x810
[  590.106007][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  590.106007][   T10]      process_backlog+0x101/0x620
[  590.106007][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  590.106007][   T10]      net_rx_action+0x495/0xbe0
[  590.106007][   T10]      __do_softirq+0x1b5/0x7f6
[  590.106007][   T10] 
[  590.107728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.107728][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  590.107728][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  590.107728][   T10]      fib6_nh_init+0xa22/0x1580
[  590.107728][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.107728][   T10]      ip6_route_add+0x1c/0x140
[  590.107728][   T10]      inet6_rtm_newroute+0x104/0x110
[  590.107728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.107728][   T10]      netlink_rcv_skb+0x130/0x360
[  590.107728][   T10]      netlink_unicast+0x449/0x710
[  590.107728][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.107728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.107728][   T10]      ___sys_sendmsg+0xee/0x170
[  590.107728][   T10]      __sys_sendmsg+0xcd/0x170
[  590.107728][   T10]      do_syscall_64+0xc6/0x1e0
[  590.107728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.107728][   T10] 
[  590.109688][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.109688][   T10]      netdev_get_by_index+0x5e/0x80
[  590.109688][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.109688][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.109688][   T10]      addrconf_f6i_alloc+0x265/0x560
[  590.109688][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  590.109688][   T10]      addrconf_join_anycast+0x1c0/0x220
[  590.109688][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  590.109688][   T10]      addrconf_dad_completed+0x12b/0xe20
[  590.109688][   T10]      addrconf_dad_begin+0x310/0x670
[  590.109688][   T10]      addrconf_dad_work+0x10b/0xab0
[  590.109688][   T10]      process_one_work+0x84d/0x18a0
[  590.109688][   T10]      worker_thread+0x587/0xd30
[  590.109688][   T10]      kthread+0x28a/0x350
[  590.109688][   T10]      ret_from_fork+0x31/0x70
[  590.109688][   T10]      ret_from_fork_asm+0x1a/0x30
[  590.109688][   T10] 
[  590.111666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.111666][   T10]      netdev_get_by_index+0x5e/0x80
[  590.111666][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.111666][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.111666][   T10]      ip6_route_add+0x1c/0x140
[  590.111666][   T10]      addrconf_prefix_route+0x2a6/0x430
[  590.111666][   T10]      inet6_addr_add+0x4f8/0xa40
[  590.111666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.111666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.111666][   T10]      netlink_rcv_skb+0x130/0x360
[  590.111666][   T10]      netlink_unicast+0x449/0x710
[  590.111666][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.111666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.111666][   T10]      ___sys_sendmsg+0xee/0x170
[  590.111666][   T10]      __sys_sendmsg+0xcd/0x170
[  590.111666][   T10]      do_syscall_64+0xc6/0x1e0
[  590.111666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.111666][   T10] 
[  590.113924][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.113924][   T10]      netdev_get_by_index+0x5e/0x80
[  590.113924][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.113924][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.113924][   T10]      addrconf_f6i_alloc+0x315/0x560
[  590.113924][   T10]      ipv6_add_addr+0x411/0x2000
[  590.113924][   T10]      inet6_addr_add+0x30e/0xa40
[  590.113924][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.113924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.113924][   T10]      netlink_rcv_skb+0x130/0x360
[  590.113924][   T10]      netlink_unicast+0x449/0x710
[  590.113924][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.113924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.113924][   T10]      ___sys_sendmsg+0xee/0x170
[  590.113924][   T10]      __sys_sendmsg+0xcd/0x170
[  590.113924][   T10]      do_syscall_64+0xc6/0x1e0
[  590.113924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.113924][   T10] 
[  590.116254][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.116254][   T10]      netdev_get_by_index+0x5e/0x80
[  590.116254][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.116254][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.116254][   T10]      ip6_route_add+0x1c/0x140
[  590.116254][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  590.116254][   T10]      addrconf_add_dev+0xe2/0x170
[  590.116254][   T10]      inet6_addr_add+0x12f/0xa40
[  590.116254][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.116254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.116254][   T10]      netlink_rcv_skb+0x130/0x360
[  590.116254][   T10]      netlink_unicast+0x449/0x710
[  590.116254][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.116254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.116254][   T10]      ___sys_sendmsg+0xee/0x170
[  590.116254][   T10]      __sys_sendmsg+0xcd/0x170
[  590.116254][   T10]      do_syscall_64+0xc6/0x1e0
[  590.116254][   T10] 
[  590.118448][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.118448][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  590.118448][   T10]      ipv6_find_idev+0x102/0x170
[  590.118448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.118448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.118448][   T10]      netlink_rcv_skb+0x130/0x360
[  590.118448][   T10]      netlink_unicast+0x449/0x710
[  590.118448][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.118448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.118448][   T10]      ___sys_sendmsg+0xee/0x170
[  590.118448][   T10]      __sys_sendmsg+0xcd/0x170
[  590.118448][   T10]      do_syscall_64+0xc6/0x1e0
[  590.118448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.118448][   T10] 
[  590.120164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  590.120164][   T10]      neigh_parms_alloc+0x1e5/0x510
[  590.120164][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  590.120164][   T10]      ipv6_find_idev+0x102/0x170
[  590.120164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.120164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.120164][   T10]      netlink_rcv_skb+0x130/0x360
[  590.120164][   T10]      netlink_unicast+0x449/0x710
[  590.120164][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.120164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.120164][   T10]      ___sys_sendmsg+0xee/0x170
[  590.120164][   T10]      __sys_sendmsg+0xcd/0x170
[  590.120164][   T10]      do_syscall_64+0xc6/0x1e0
[  590.120164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.120164][   T10] 
[  590.122482][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  590.122759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.122759][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  590.122759][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  590.122759][   T10]      fib6_nh_init+0xa22/0x1580
[  590.122759][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.122759][   T10]      ip6_route_add+0x1c/0x140
[  590.122759][   T10]      inet6_rtm_newroute+0x104/0x110
[  590.122759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.122759][   T10]      netlink_rcv_skb+0x130/0x360
[  590.122759][   T10]      netlink_unicast+0x449/0x710
[  590.122759][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.122759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.122759][   T10]      ___sys_sendmsg+0xee/0x170
[  590.122759][   T10]      __sys_sendmsg+0xcd/0x170
[  590.122759][   T10]      do_syscall_64+0xc6/0x1e0
[  590.122759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.122759][   T10] 
[  590.124757][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.124757][   T10]      dst_init+0x84/0x4a0
[  590.124757][   T10]      dst_alloc+0x97/0x150
[  590.124757][   T10]      ip6_dst_alloc+0x23/0x90
[  590.124757][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  590.124757][   T10]      ip6_pol_route+0x56f/0x840
[  590.124757][   T10]      fib6_rule_lookup+0x456/0x630
[  590.124757][   T10]      ip6_route_input+0x59c/0xa50
[  590.124757][   T10]      ipv6_rcv+0x397/0x810
[  590.124757][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  590.124757][   T10]      process_backlog+0x101/0x620
[  590.124757][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  590.124757][   T10]      net_rx_action+0x495/0xbe0
[  590.124757][   T10]      __do_softirq+0x1b5/0x7f6
[  590.124757][   T10] 
[  590.126674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.126674][   T10]      netdev_get_by_index+0x5e/0x80
[  590.126674][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.126674][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.126674][   T10]      addrconf_f6i_alloc+0x265/0x560
[  590.126674][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  590.126674][   T10]      addrconf_join_anycast+0x1c0/0x220
[  590.126674][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  590.126674][   T10]      addrconf_dad_completed+0x12b/0xe20
[  590.126674][   T10]      addrconf_dad_begin+0x310/0x670
[  590.126674][   T10]      addrconf_dad_work+0x10b/0xab0
[  590.126674][   T10]      process_one_work+0x84d/0x18a0
[  590.126674][   T10]      worker_thread+0x587/0xd30
[  590.126674][   T10]      kthread+0x28a/0x350
[  590.126674][   T10]      ret_from_fork+0x31/0x70
[  590.126674][   T10]      ret_from_fork_asm+0x1a/0x30
[  590.126674][   T10] 
[  590.128894][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.128894][   T10]      netdev_get_by_index+0x5e/0x80
[  590.128894][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.128894][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.128894][   T10]      ip6_route_add+0x1c/0x140
[  590.128894][   T10]      addrconf_prefix_route+0x2a6/0x430
[  590.128894][   T10]      inet6_addr_add+0x4f8/0xa40
[  590.128894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.128894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.128894][   T10]      netlink_rcv_skb+0x130/0x360
[  590.128894][   T10]      netlink_unicast+0x449/0x710
[  590.128894][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.128894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.128894][   T10]      ___sys_sendmsg+0xee/0x170
[  590.128894][   T10]      __sys_sendmsg+0xcd/0x170
[  590.128894][   T10]      do_syscall_64+0xc6/0x1e0
[  590.128894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.128894][   T10] 
[  590.131332][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.131332][   T10]      netdev_get_by_index+0x5e/0x80
[  590.131332][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.131332][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.131332][   T10]      addrconf_f6i_alloc+0x315/0x560
[  590.131332][   T10]      ipv6_add_addr+0x411/0x2000
[  590.131332][   T10]      inet6_addr_add+0x30e/0xa40
[  590.131332][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.131332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.131332][   T10]      netlink_rcv_skb+0x130/0x360
[  590.131332][   T10]      netlink_unicast+0x449/0x710
[  590.131332][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.131332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.131332][   T10]      ___sys_sendmsg+0xee/0x170
[  590.131332][   T10]      __sys_sendmsg+0xcd/0x170
[  590.131332][   T10]      do_syscall_64+0xc6/0x1e0
[  590.131332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.131332][   T10] 
[  590.133603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.133603][   T10]      netdev_get_by_index+0x5e/0x80
[  590.133603][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.133603][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.133603][   T10]      ip6_route_add+0x1c/0x140
[  590.133603][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  590.133603][   T10]      addrconf_add_dev+0xe2/0x170
[  590.133603][   T10]      inet6_addr_add+0x12f/0xa40
[  590.133603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.133603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.133603][   T10]      netlink_rcv_skb+0x130/0x360
[  590.133603][   T10]      netlink_unicast+0x449/0x710
[  590.133603][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.133603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.133603][   T10]      ___sys_sendmsg+0xee/0x170
[  590.133603][   T10]      __sys_sendmsg+0xcd/0x170
[  590.133603][   T10]      do_syscall_64+0xc6/0x1e0
[  590.133603][   T10] 
[  590.135873][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.135873][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  590.135873][   T10]      ipv6_find_idev+0x102/0x170
[  590.135873][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.135873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.135873][   T10]      netlink_rcv_skb+0x130/0x360
[  590.135873][   T10]      netlink_unicast+0x449/0x710
[  590.135873][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.135873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.135873][   T10]      ___sys_sendmsg+0xee/0x170
[  590.135873][   T10]      __sys_sendmsg+0xcd/0x170
[  590.135873][   T10]      do_syscall_64+0xc6/0x1e0
[  590.135873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.135873][   T10] 
[  590.137632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  590.137632][   T10]      neigh_parms_alloc+0x1e5/0x510
[  590.137632][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  590.137632][   T10]      ipv6_find_idev+0x102/0x170
[  590.137632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.137632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.137632][   T10]      netlink_rcv_skb+0x130/0x360
[  590.137632][   T10]      netlink_unicast+0x449/0x710
[  590.137632][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.137632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.137632][   T10]      ___sys_sendmsg+0xee/0x170
[  590.137632][   T10]      __sys_sendmsg+0xcd/0x170
[  590.137632][   T10]      do_syscall_64+0xc6/0x1e0
[  590.137632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.137632][   T10] 
[  590.139418][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  590.139729][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  590.139729][   T10]      netdev_get_by_index+0x5e/0x80
[  590.139729][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.139729][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.139729][   T10]      ip6_route_add+0x1c/0x140
[  590.139729][   T10]      addrconf_prefix_route+0x2a6/0x430
[  590.139729][   T10]      inet6_addr_add+0x4f8/0xa40
[  590.139729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.139729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.139729][   T10]      netlink_rcv_skb+0x130/0x360
[  590.139729][   T10]      netlink_unicast+0x449/0x710
[  590.139729][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.139729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.139729][   T10]      ___sys_sendmsg+0xee/0x170
[  590.139729][   T10]      __sys_sendmsg+0xcd/0x170
[  590.139729][   T10]      do_syscall_64+0xc6/0x1e0
[  590.139729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.139729][   T10] 
[  590.141916][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  590.141916][   T10]      netdev_get_by_index+0x5e/0x80
[  590.141916][   T10]      fib6_nh_init+0x3d8/0x1580
[  590.141916][   T10]      ip6_route_info_create+0xf18/0x17d0
[  590.141916][   T10]      addrconf_f6i_alloc+0x315/0x560
[  590.141916][   T10]      ipv6_add_addr+0x411/0x2000
[  590.141916][   T10]      inet6_addr_add+0x30e/0xa40
[  590.141916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  590.141916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.141916][   T10]      netlink_rcv_skb+0x130/0x360
[  590.141916][   T10]      netlink_unicast+0x449/0x710
[  590.141916][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.141916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.141916][   T10]      ___sys_sendmsg+0xee/0x170
[  590.141916][   T10]      __sys_sendmsg+0xcd/0x170
[  590.141916][   T10]      do_syscall_64+0xc6/0x1e0
[  590.141916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.141916][   T10] 
[  590.144213][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  590.144213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  590.144213][   T10]      ipv6_find_idev+0x102/0x170
[  590.144213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.144213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.144213][   T10]      netlink_rcv_skb+0x130/0x360
[  590.144213][   T10]      netlink_unicast+0x449/0x710
[  590.144213][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.144213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.144213][   T10]      ___sys_sendmsg+0xee/0x170
[  590.144213][   T10]      __sys_sendmsg+0xcd/0x170
[  590.144213][   T10]      do_syscall_64+0xc6/0x1e0
[  590.144213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.144213][   T10] 
[  590.145982][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  590.145982][   T10]      neigh_parms_alloc+0x1e5/0x510
[  590.145982][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  590.145982][   T10]      ipv6_find_idev+0x102/0x170
[  590.145982][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  590.145982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  590.145982][   T10]      netlink_rcv_skb+0x130/0x360
[  590.145982][   T10]      netlink_unicast+0x449/0x710
[  590.145982][   T10]      netlink_sendmsg+0x723/0xbe0
[  590.145982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  590.145982][   T10]      ___sys_sendmsg+0xee/0x170
[  590.145982][   T10]      __sys_sendmsg+0xcd/0x170
[  590.145982][   T10]      do_syscall_64+0xc6/0x1e0
[  590.145982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  590.145982][   T10] 
[  591.155430][ T4243] br0: port 1(vx0) entered blocking state
[  591.155657][ T4243] br0: port 1(vx0) entered disabled state
[  591.155833][ T4243] vx0: entered allmulticast mode
[  591.157040][ T4243] vx0: entered promiscuous mode
[  591.158899][ T4243] br0: port 1(vx0) entered blocking state
[  591.159070][ T4243] br0: port 1(vx0) entered forwarding state
[  596.534897][ T4273] br0: port 1(vx0) entered blocking state
[  596.535157][ T4273] br0: port 1(vx0) entered disabled state
[  596.535333][ T4273] vx0: entered allmulticast mode
[  596.536530][ T4273] vx0: entered promiscuous mode
[  596.538358][ T4273] br0: port 1(vx0) entered blocking state
[  596.538522][ T4273] br0: port 1(vx0) entered forwarding state
[  600.272722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  600.273054][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.273054][   T10]      dst_init+0x84/0x4a0
[  600.273054][   T10]      dst_alloc+0x97/0x150
[  600.273054][   T10]      ip6_dst_alloc+0x23/0x90
[  600.273054][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  600.273054][   T10]      ip6_pol_route+0x56f/0x840
[  600.273054][   T10]      fib6_rule_lookup+0x456/0x630
[  600.273054][   T10]      ip6_route_input+0x59c/0xa50
[  600.273054][   T10]      ipv6_rcv+0x397/0x810
[  600.273054][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  600.273054][   T10]      process_backlog+0x101/0x620
[  600.273054][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  600.273054][   T10]      net_rx_action+0x495/0xbe0
[  600.273054][   T10]      __do_softirq+0x1b5/0x7f6
[  600.273054][   T10] 
[  600.274814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.274814][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  600.274814][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  600.274814][   T10]      fib6_nh_init+0xa22/0x1580
[  600.274814][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.274814][   T10]      ip6_route_add+0x1c/0x140
[  600.274814][   T10]      inet6_rtm_newroute+0x104/0x110
[  600.274814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.274814][   T10]      netlink_rcv_skb+0x130/0x360
[  600.274814][   T10]      netlink_unicast+0x449/0x710
[  600.274814][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.274814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.274814][   T10]      ___sys_sendmsg+0xee/0x170
[  600.274814][   T10]      __sys_sendmsg+0xcd/0x170
[  600.274814][   T10]      do_syscall_64+0xc6/0x1e0
[  600.274814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.274814][   T10] 
[  600.276792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.276792][   T10]      netdev_get_by_index+0x5e/0x80
[  600.276792][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.276792][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.276792][   T10]      addrconf_f6i_alloc+0x265/0x560
[  600.276792][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  600.276792][   T10]      addrconf_join_anycast+0x1c0/0x220
[  600.276792][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  600.276792][   T10]      addrconf_dad_completed+0x12b/0xe20
[  600.276792][   T10]      addrconf_dad_begin+0x310/0x670
[  600.276792][   T10]      addrconf_dad_work+0x10b/0xab0
[  600.276792][   T10]      process_one_work+0x84d/0x18a0
[  600.276792][   T10]      worker_thread+0x587/0xd30
[  600.276792][   T10]      kthread+0x28a/0x350
[  600.276792][   T10]      ret_from_fork+0x31/0x70
[  600.276792][   T10]      ret_from_fork_asm+0x1a/0x30
[  600.276792][   T10] 
[  600.278824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.278824][   T10]      netdev_get_by_index+0x5e/0x80
[  600.278824][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.278824][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.278824][   T10]      ip6_route_add+0x1c/0x140
[  600.278824][   T10]      addrconf_prefix_route+0x2a6/0x430
[  600.278824][   T10]      inet6_addr_add+0x4f8/0xa40
[  600.278824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.278824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.278824][   T10]      netlink_rcv_skb+0x130/0x360
[  600.278824][   T10]      netlink_unicast+0x449/0x710
[  600.278824][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.278824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.278824][   T10]      ___sys_sendmsg+0xee/0x170
[  600.278824][   T10]      __sys_sendmsg+0xcd/0x170
[  600.278824][   T10]      do_syscall_64+0xc6/0x1e0
[  600.278824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.278824][   T10] 
[  600.280909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.280909][   T10]      netdev_get_by_index+0x5e/0x80
[  600.280909][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.280909][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.280909][   T10]      addrconf_f6i_alloc+0x315/0x560
[  600.280909][   T10]      ipv6_add_addr+0x411/0x2000
[  600.280909][   T10]      inet6_addr_add+0x30e/0xa40
[  600.280909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.280909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.280909][   T10]      netlink_rcv_skb+0x130/0x360
[  600.280909][   T10]      netlink_unicast+0x449/0x710
[  600.280909][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.280909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.280909][   T10]      ___sys_sendmsg+0xee/0x170
[  600.280909][   T10]      __sys_sendmsg+0xcd/0x170
[  600.280909][   T10]      do_syscall_64+0xc6/0x1e0
[  600.280909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.280909][   T10] 
[  600.283035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.283035][   T10]      netdev_get_by_index+0x5e/0x80
[  600.283035][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.283035][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.283035][   T10]      ip6_route_add+0x1c/0x140
[  600.283035][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  600.283035][   T10]      addrconf_add_dev+0xe2/0x170
[  600.283035][   T10]      inet6_addr_add+0x12f/0xa40
[  600.283035][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.283035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.283035][   T10]      netlink_rcv_skb+0x130/0x360
[  600.283035][   T10]      netlink_unicast+0x449/0x710
[  600.283035][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.283035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.283035][   T10]      ___sys_sendmsg+0xee/0x170
[  600.283035][   T10]      __sys_sendmsg+0xcd/0x170
[  600.283035][   T10]      do_syscall_64+0xc6/0x1e0
[  600.283035][   T10] 
[  600.285170][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.285170][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  600.285170][   T10]      ipv6_find_idev+0x102/0x170
[  600.285170][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.285170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.285170][   T10]      netlink_rcv_skb+0x130/0x360
[  600.285170][   T10]      netlink_unicast+0x449/0x710
[  600.285170][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.285170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.285170][   T10]      ___sys_sendmsg+0xee/0x170
[  600.285170][   T10]      __sys_sendmsg+0xcd/0x170
[  600.285170][   T10]      do_syscall_64+0xc6/0x1e0
[  600.285170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.285170][   T10] 
[  600.286994][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  600.286994][   T10]      neigh_parms_alloc+0x1e5/0x510
[  600.286994][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  600.286994][   T10]      ipv6_find_idev+0x102/0x170
[  600.286994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.286994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.286994][   T10]      netlink_rcv_skb+0x130/0x360
[  600.286994][   T10]      netlink_unicast+0x449/0x710
[  600.286994][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.286994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.286994][   T10]      ___sys_sendmsg+0xee/0x170
[  600.286994][   T10]      __sys_sendmsg+0xcd/0x170
[  600.286994][   T10]      do_syscall_64+0xc6/0x1e0
[  600.286994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.286994][   T10] 
[  600.289019][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  600.289353][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.289353][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  600.289353][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  600.289353][   T10]      fib6_nh_init+0xa22/0x1580
[  600.289353][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.289353][   T10]      ip6_route_add+0x1c/0x140
[  600.289353][   T10]      inet6_rtm_newroute+0x104/0x110
[  600.289353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.289353][   T10]      netlink_rcv_skb+0x130/0x360
[  600.289353][   T10]      netlink_unicast+0x449/0x710
[  600.289353][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.289353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.289353][   T10]      ___sys_sendmsg+0xee/0x170
[  600.289353][   T10]      __sys_sendmsg+0xcd/0x170
[  600.289353][   T10]      do_syscall_64+0xc6/0x1e0
[  600.289353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.289353][   T10] 
[  600.291561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.291561][   T10]      dst_init+0x84/0x4a0
[  600.291561][   T10]      dst_alloc+0x97/0x150
[  600.291561][   T10]      ip6_dst_alloc+0x23/0x90
[  600.291561][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  600.291561][   T10]      ip6_pol_route+0x56f/0x840
[  600.291561][   T10]      fib6_rule_lookup+0x456/0x630
[  600.291561][   T10]      ip6_route_input+0x59c/0xa50
[  600.291561][   T10]      ipv6_rcv+0x397/0x810
[  600.291561][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  600.291561][   T10]      process_backlog+0x101/0x620
[  600.291561][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  600.291561][   T10]      net_rx_action+0x495/0xbe0
[  600.291561][   T10]      __do_softirq+0x1b5/0x7f6
[  600.291561][   T10] 
[  600.293498][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.293498][   T10]      netdev_get_by_index+0x5e/0x80
[  600.293498][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.293498][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.293498][   T10]      addrconf_f6i_alloc+0x265/0x560
[  600.293498][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  600.293498][   T10]      addrconf_join_anycast+0x1c0/0x220
[  600.293498][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  600.293498][   T10]      addrconf_dad_completed+0x12b/0xe20
[  600.293498][   T10]      addrconf_dad_begin+0x310/0x670
[  600.293498][   T10]      addrconf_dad_work+0x10b/0xab0
[  600.293498][   T10]      process_one_work+0x84d/0x18a0
[  600.293498][   T10]      worker_thread+0x587/0xd30
[  600.293498][   T10]      kthread+0x28a/0x350
[  600.293498][   T10]      ret_from_fork+0x31/0x70
[  600.293498][   T10]      ret_from_fork_asm+0x1a/0x30
[  600.293498][   T10] 
[  600.295687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.295687][   T10]      netdev_get_by_index+0x5e/0x80
[  600.295687][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.295687][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.295687][   T10]      ip6_route_add+0x1c/0x140
[  600.295687][   T10]      addrconf_prefix_route+0x2a6/0x430
[  600.295687][   T10]      inet6_addr_add+0x4f8/0xa40
[  600.295687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.295687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.295687][   T10]      netlink_rcv_skb+0x130/0x360
[  600.295687][   T10]      netlink_unicast+0x449/0x710
[  600.295687][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.295687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.295687][   T10]      ___sys_sendmsg+0xee/0x170
[  600.295687][   T10]      __sys_sendmsg+0xcd/0x170
[  600.295687][   T10]      do_syscall_64+0xc6/0x1e0
[  600.295687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.295687][   T10] 
[  600.297969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.297969][   T10]      netdev_get_by_index+0x5e/0x80
[  600.297969][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.297969][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.297969][   T10]      addrconf_f6i_alloc+0x315/0x560
[  600.297969][   T10]      ipv6_add_addr+0x411/0x2000
[  600.297969][   T10]      inet6_addr_add+0x30e/0xa40
[  600.297969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.297969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.297969][   T10]      netlink_rcv_skb+0x130/0x360
[  600.297969][   T10]      netlink_unicast+0x449/0x710
[  600.297969][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.297969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.297969][   T10]      ___sys_sendmsg+0xee/0x170
[  600.297969][   T10]      __sys_sendmsg+0xcd/0x170
[  600.297969][   T10]      do_syscall_64+0xc6/0x1e0
[  600.297969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.297969][   T10] 
[  600.300449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.300449][   T10]      netdev_get_by_index+0x5e/0x80
[  600.300449][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.300449][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.300449][   T10]      ip6_route_add+0x1c/0x140
[  600.300449][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  600.300449][   T10]      addrconf_add_dev+0xe2/0x170
[  600.300449][   T10]      inet6_addr_add+0x12f/0xa40
[  600.300449][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.300449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.300449][   T10]      netlink_rcv_skb+0x130/0x360
[  600.300449][   T10]      netlink_unicast+0x449/0x710
[  600.300449][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.300449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.300449][   T10]      ___sys_sendmsg+0xee/0x170
[  600.300449][   T10]      __sys_sendmsg+0xcd/0x170
[  600.300449][   T10]      do_syscall_64+0xc6/0x1e0
[  600.300449][   T10] 
[  600.302754][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.302754][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  600.302754][   T10]      ipv6_find_idev+0x102/0x170
[  600.302754][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.302754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.302754][   T10]      netlink_rcv_skb+0x130/0x360
[  600.302754][   T10]      netlink_unicast+0x449/0x710
[  600.302754][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.302754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.302754][   T10]      ___sys_sendmsg+0xee/0x170
[  600.302754][   T10]      __sys_sendmsg+0xcd/0x170
[  600.302754][   T10]      do_syscall_64+0xc6/0x1e0
[  600.302754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.302754][   T10] 
[  600.304604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  600.304604][   T10]      neigh_parms_alloc+0x1e5/0x510
[  600.304604][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  600.304604][   T10]      ipv6_find_idev+0x102/0x170
[  600.304604][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.304604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.304604][   T10]      netlink_rcv_skb+0x130/0x360
[  600.304604][   T10]      netlink_unicast+0x449/0x710
[  600.304604][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.304604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.304604][   T10]      ___sys_sendmsg+0xee/0x170
[  600.304604][   T10]      __sys_sendmsg+0xcd/0x170
[  600.304604][   T10]      do_syscall_64+0xc6/0x1e0
[  600.304604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.304604][   T10] 
[  600.306516][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  600.306783][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  600.306783][   T10]      netdev_get_by_index+0x5e/0x80
[  600.306783][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.306783][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.306783][   T10]      ip6_route_add+0x1c/0x140
[  600.306783][   T10]      addrconf_prefix_route+0x2a6/0x430
[  600.306783][   T10]      inet6_addr_add+0x4f8/0xa40
[  600.306783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.306783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.306783][   T10]      netlink_rcv_skb+0x130/0x360
[  600.306783][   T10]      netlink_unicast+0x449/0x710
[  600.306783][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.306783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.306783][   T10]      ___sys_sendmsg+0xee/0x170
[  600.306783][   T10]      __sys_sendmsg+0xcd/0x170
[  600.306783][   T10]      do_syscall_64+0xc6/0x1e0
[  600.306783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.306783][   T10] 
[  600.308976][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  600.308976][   T10]      netdev_get_by_index+0x5e/0x80
[  600.308976][   T10]      fib6_nh_init+0x3d8/0x1580
[  600.308976][   T10]      ip6_route_info_create+0xf18/0x17d0
[  600.308976][   T10]      addrconf_f6i_alloc+0x315/0x560
[  600.308976][   T10]      ipv6_add_addr+0x411/0x2000
[  600.308976][   T10]      inet6_addr_add+0x30e/0xa40
[  600.308976][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  600.308976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.308976][   T10]      netlink_rcv_skb+0x130/0x360
[  600.308976][   T10]      netlink_unicast+0x449/0x710
[  600.308976][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.308976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.308976][   T10]      ___sys_sendmsg+0xee/0x170
[  600.308976][   T10]      __sys_sendmsg+0xcd/0x170
[  600.308976][   T10]      do_syscall_64+0xc6/0x1e0
[  600.308976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.308976][   T10] 
[  600.311199][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  600.311199][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  600.311199][   T10]      ipv6_find_idev+0x102/0x170
[  600.311199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.311199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.311199][   T10]      netlink_rcv_skb+0x130/0x360
[  600.311199][   T10]      netlink_unicast+0x449/0x710
[  600.311199][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.311199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.311199][   T10]      ___sys_sendmsg+0xee/0x170
[  600.311199][   T10]      __sys_sendmsg+0xcd/0x170
[  600.311199][   T10]      do_syscall_64+0xc6/0x1e0
[  600.311199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.311199][   T10] 
[  600.312900][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  600.312900][   T10]      neigh_parms_alloc+0x1e5/0x510
[  600.312900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  600.312900][   T10]      ipv6_find_idev+0x102/0x170
[  600.312900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  600.312900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  600.312900][   T10]      netlink_rcv_skb+0x130/0x360
[  600.312900][   T10]      netlink_unicast+0x449/0x710
[  600.312900][   T10]      netlink_sendmsg+0x723/0xbe0
[  600.312900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  600.312900][   T10]      ___sys_sendmsg+0xee/0x170
[  600.312900][   T10]      __sys_sendmsg+0xcd/0x170
[  600.312900][   T10]      do_syscall_64+0xc6/0x1e0
[  600.312900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  600.312900][   T10] 
[  600.574916][ T4304] veth0: renamed from veth1
[  604.426094][ T4330] br0: port 1(vx0) entered blocking state
[  604.426365][ T4330] br0: port 1(vx0) entered disabled state
[  604.426542][ T4330] vx0: entered allmulticast mode
[  604.428496][ T4330] vx0: entered promiscuous mode
[  604.430306][ T4330] br0: port 1(vx0) entered blocking state
[  604.430481][ T4330] br0: port 1(vx0) entered forwarding state
[  609.806157][ T4360] br0: port 1(vx0) entered blocking state
[  609.806420][ T4360] br0: port 1(vx0) entered disabled state
[  609.806607][ T4360] vx0: entered allmulticast mode
[  609.807781][ T4360] vx0: entered promiscuous mode
[  609.809579][ T4360] br0: port 1(vx0) entered blocking state
[  609.809757][ T4360] br0: port 1(vx0) entered forwarding state
[  610.448633][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  610.448956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.448956][   T10]      dst_init+0x84/0x4a0
[  610.448956][   T10]      dst_alloc+0x97/0x150
[  610.448956][   T10]      ip6_dst_alloc+0x23/0x90
[  610.448956][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  610.448956][   T10]      ip6_pol_route+0x56f/0x840
[  610.448956][   T10]      fib6_rule_lookup+0x456/0x630
[  610.448956][   T10]      ip6_route_input+0x59c/0xa50
[  610.448956][   T10]      ipv6_rcv+0x397/0x810
[  610.448956][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  610.448956][   T10]      process_backlog+0x101/0x620
[  610.448956][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  610.448956][   T10]      net_rx_action+0x495/0xbe0
[  610.448956][   T10]      __do_softirq+0x1b5/0x7f6
[  610.448956][   T10] 
[  610.450686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.450686][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  610.450686][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  610.450686][   T10]      fib6_nh_init+0xa22/0x1580
[  610.450686][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.450686][   T10]      ip6_route_add+0x1c/0x140
[  610.450686][   T10]      inet6_rtm_newroute+0x104/0x110
[  610.450686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.450686][   T10]      netlink_rcv_skb+0x130/0x360
[  610.450686][   T10]      netlink_unicast+0x449/0x710
[  610.450686][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.450686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.450686][   T10]      ___sys_sendmsg+0xee/0x170
[  610.450686][   T10]      __sys_sendmsg+0xcd/0x170
[  610.450686][   T10]      do_syscall_64+0xc6/0x1e0
[  610.450686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.450686][   T10] 
[  610.452629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.452629][   T10]      netdev_get_by_index+0x5e/0x80
[  610.452629][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.452629][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.452629][   T10]      addrconf_f6i_alloc+0x265/0x560
[  610.452629][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  610.452629][   T10]      addrconf_join_anycast+0x1c0/0x220
[  610.452629][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  610.452629][   T10]      addrconf_dad_completed+0x12b/0xe20
[  610.452629][   T10]      addrconf_dad_begin+0x310/0x670
[  610.452629][   T10]      addrconf_dad_work+0x10b/0xab0
[  610.452629][   T10]      process_one_work+0x84d/0x18a0
[  610.452629][   T10]      worker_thread+0x587/0xd30
[  610.452629][   T10]      kthread+0x28a/0x350
[  610.452629][   T10]      ret_from_fork+0x31/0x70
[  610.452629][   T10]      ret_from_fork_asm+0x1a/0x30
[  610.452629][   T10] 
[  610.454579][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.454579][   T10]      netdev_get_by_index+0x5e/0x80
[  610.454579][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.454579][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.454579][   T10]      ip6_route_add+0x1c/0x140
[  610.454579][   T10]      addrconf_prefix_route+0x2a6/0x430
[  610.454579][   T10]      inet6_addr_add+0x4f8/0xa40
[  610.454579][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.454579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.454579][   T10]      netlink_rcv_skb+0x130/0x360
[  610.454579][   T10]      netlink_unicast+0x449/0x710
[  610.454579][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.454579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.454579][   T10]      ___sys_sendmsg+0xee/0x170
[  610.454579][   T10]      __sys_sendmsg+0xcd/0x170
[  610.454579][   T10]      do_syscall_64+0xc6/0x1e0
[  610.454579][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.454579][   T10] 
[  610.456618][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.456618][   T10]      netdev_get_by_index+0x5e/0x80
[  610.456618][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.456618][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.456618][   T10]      addrconf_f6i_alloc+0x315/0x560
[  610.456618][   T10]      ipv6_add_addr+0x411/0x2000
[  610.456618][   T10]      inet6_addr_add+0x30e/0xa40
[  610.456618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.456618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.456618][   T10]      netlink_rcv_skb+0x130/0x360
[  610.456618][   T10]      netlink_unicast+0x449/0x710
[  610.456618][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.456618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.456618][   T10]      ___sys_sendmsg+0xee/0x170
[  610.456618][   T10]      __sys_sendmsg+0xcd/0x170
[  610.456618][   T10]      do_syscall_64+0xc6/0x1e0
[  610.456618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.456618][   T10] 
[  610.458617][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.458617][   T10]      netdev_get_by_index+0x5e/0x80
[  610.458617][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.458617][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.458617][   T10]      ip6_route_add+0x1c/0x140
[  610.458617][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  610.458617][   T10]      addrconf_add_dev+0xe2/0x170
[  610.458617][   T10]      inet6_addr_add+0x12f/0xa40
[  610.458617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.458617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.458617][   T10]      netlink_rcv_skb+0x130/0x360
[  610.458617][   T10]      netlink_unicast+0x449/0x710
[  610.458617][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.458617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.458617][   T10]      ___sys_sendmsg+0xee/0x170
[  610.458617][   T10]      __sys_sendmsg+0xcd/0x170
[  610.458617][   T10]      do_syscall_64+0xc6/0x1e0
[  610.458617][   T10] 
[  610.460610][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.460610][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  610.460610][   T10]      ipv6_find_idev+0x102/0x170
[  610.460610][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  610.460610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.460610][   T10]      netlink_rcv_skb+0x130/0x360
[  610.460610][   T10]      netlink_unicast+0x449/0x710
[  610.460610][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.460610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.460610][   T10]      ___sys_sendmsg+0xee/0x170
[  610.460610][   T10]      __sys_sendmsg+0xcd/0x170
[  610.460610][   T10]      do_syscall_64+0xc6/0x1e0
[  610.460610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.460610][   T10] 
[  610.462192][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  610.462192][   T10]      neigh_parms_alloc+0x1e5/0x510
[  610.462192][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  610.462192][   T10]      ipv6_find_idev+0x102/0x170
[  610.462192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  610.462192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.462192][   T10]      netlink_rcv_skb+0x130/0x360
[  610.462192][   T10]      netlink_unicast+0x449/0x710
[  610.462192][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.462192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.462192][   T10]      ___sys_sendmsg+0xee/0x170
[  610.462192][   T10]      __sys_sendmsg+0xcd/0x170
[  610.462192][   T10]      do_syscall_64+0xc6/0x1e0
[  610.462192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.462192][   T10] 
[  610.463936][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  610.464194][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.464194][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  610.464194][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  610.464194][   T10]      fib6_nh_init+0xa22/0x1580
[  610.464194][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.464194][   T10]      ip6_route_add+0x1c/0x140
[  610.464194][   T10]      inet6_rtm_newroute+0x104/0x110
[  610.464194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.464194][   T10]      netlink_rcv_skb+0x130/0x360
[  610.464194][   T10]      netlink_unicast+0x449/0x710
[  610.464194][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.464194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.464194][   T10]      ___sys_sendmsg+0xee/0x170
[  610.464194][   T10]      __sys_sendmsg+0xcd/0x170
[  610.464194][   T10]      do_syscall_64+0xc6/0x1e0
[  610.464194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.464194][   T10] 
[  610.466099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.466099][   T10]      dst_init+0x84/0x4a0
[  610.466099][   T10]      dst_alloc+0x97/0x150
[  610.466099][   T10]      ip6_dst_alloc+0x23/0x90
[  610.466099][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  610.466099][   T10]      ip6_pol_route+0x56f/0x840
[  610.466099][   T10]      fib6_rule_lookup+0x456/0x630
[  610.466099][   T10]      ip6_route_input+0x59c/0xa50
[  610.466099][   T10]      ipv6_rcv+0x397/0x810
[  610.466099][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  610.466099][   T10]      process_backlog+0x101/0x620
[  610.466099][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  610.466099][   T10]      net_rx_action+0x495/0xbe0
[  610.466099][   T10]      __do_softirq+0x1b5/0x7f6
[  610.466099][   T10] 
[  610.467896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.467896][   T10]      netdev_get_by_index+0x5e/0x80
[  610.467896][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.467896][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.467896][   T10]      addrconf_f6i_alloc+0x265/0x560
[  610.467896][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  610.467896][   T10]      addrconf_join_anycast+0x1c0/0x220
[  610.467896][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  610.467896][   T10]      addrconf_dad_completed+0x12b/0xe20
[  610.467896][   T10]      addrconf_dad_begin+0x310/0x670
[  610.467896][   T10]      addrconf_dad_work+0x10b/0xab0
[  610.467896][   T10]      process_one_work+0x84d/0x18a0
[  610.467896][   T10]      worker_thread+0x587/0xd30
[  610.467896][   T10]      kthread+0x28a/0x350
[  610.467896][   T10]      ret_from_fork+0x31/0x70
[  610.467896][   T10]      ret_from_fork_asm+0x1a/0x30
[  610.467896][   T10] 
[  610.470223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.470223][   T10]      netdev_get_by_index+0x5e/0x80
[  610.470223][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.470223][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.470223][   T10]      ip6_route_add+0x1c/0x140
[  610.470223][   T10]      addrconf_prefix_route+0x2a6/0x430
[  610.470223][   T10]      inet6_addr_add+0x4f8/0xa40
[  610.470223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.470223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.470223][   T10]      netlink_rcv_skb+0x130/0x360
[  610.470223][   T10]      netlink_unicast+0x449/0x710
[  610.470223][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.470223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.470223][   T10]      ___sys_sendmsg+0xee/0x170
[  610.470223][   T10]      __sys_sendmsg+0xcd/0x170
[  610.470223][   T10]      do_syscall_64+0xc6/0x1e0
[  610.470223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.470223][   T10] 
[  610.472437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.472437][   T10]      netdev_get_by_index+0x5e/0x80
[  610.472437][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.472437][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.472437][   T10]      addrconf_f6i_alloc+0x315/0x560
[  610.472437][   T10]      ipv6_add_addr+0x411/0x2000
[  610.472437][   T10]      inet6_addr_add+0x30e/0xa40
[  610.472437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.472437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.472437][   T10]      netlink_rcv_skb+0x130/0x360
[  610.472437][   T10]      netlink_unicast+0x449/0x710
[  610.472437][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.472437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.472437][   T10]      ___sys_sendmsg+0xee/0x170
[  610.472437][   T10]      __sys_sendmsg+0xcd/0x170
[  610.472437][   T10]      do_syscall_64+0xc6/0x1e0
[  610.472437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.472437][   T10] 
[  610.474875][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.474875][   T10]      netdev_get_by_index+0x5e/0x80
[  610.474875][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.474875][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.474875][   T10]      ip6_route_add+0x1c/0x140
[  610.474875][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  610.474875][   T10]      addrconf_add_dev+0xe2/0x170
[  610.474875][   T10]      inet6_addr_add+0x12f/0xa40
[  610.474875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.474875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.474875][   T10]      netlink_rcv_skb+0x130/0x360
[  610.474875][   T10]      netlink_unicast+0x449/0x710
[  610.474875][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.474875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.474875][   T10]      ___sys_sendmsg+0xee/0x170
[  610.474875][   T10]      __sys_sendmsg+0xcd/0x170
[  610.474875][   T10]      do_syscall_64+0xc6/0x1e0
[  610.474875][   T10] 
[  610.477094][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.477094][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  610.477094][   T10]      ipv6_find_idev+0x102/0x170
[  610.477094][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  610.477094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.477094][   T10]      netlink_rcv_skb+0x130/0x360
[  610.477094][   T10]      netlink_unicast+0x449/0x710
[  610.477094][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.477094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.477094][   T10]      ___sys_sendmsg+0xee/0x170
[  610.477094][   T10]      __sys_sendmsg+0xcd/0x170
[  610.477094][   T10]      do_syscall_64+0xc6/0x1e0
[  610.477094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.477094][   T10] 
[  610.478718][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  610.478718][   T10]      neigh_parms_alloc+0x1e5/0x510
[  610.478718][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  610.478718][   T10]      ipv6_find_idev+0x102/0x170
[  610.478718][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  610.478718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.478718][   T10]      netlink_rcv_skb+0x130/0x360
[  610.478718][   T10]      netlink_unicast+0x449/0x710
[  610.478718][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.478718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.478718][   T10]      ___sys_sendmsg+0xee/0x170
[  610.478718][   T10]      __sys_sendmsg+0xcd/0x170
[  610.478718][   T10]      do_syscall_64+0xc6/0x1e0
[  610.478718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.478718][   T10] 
[  610.480616][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  610.480857][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  610.480857][   T10]      netdev_get_by_index+0x5e/0x80
[  610.480857][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.480857][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.480857][   T10]      ip6_route_add+0x1c/0x140
[  610.480857][   T10]      addrconf_prefix_route+0x2a6/0x430
[  610.480857][   T10]      inet6_addr_add+0x4f8/0xa40
[  610.480857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.480857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.480857][   T10]      netlink_rcv_skb+0x130/0x360
[  610.480857][   T10]      netlink_unicast+0x449/0x710
[  610.480857][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.480857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.480857][   T10]      ___sys_sendmsg+0xee/0x170
[  610.480857][   T10]      __sys_sendmsg+0xcd/0x170
[  610.480857][   T10]      do_syscall_64+0xc6/0x1e0
[  610.480857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.480857][   T10] 
[  610.483087][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  610.483087][   T10]      netdev_get_by_index+0x5e/0x80
[  610.483087][   T10]      fib6_nh_init+0x3d8/0x1580
[  610.483087][   T10]      ip6_route_info_create+0xf18/0x17d0
[  610.483087][   T10]      addrconf_f6i_alloc+0x315/0x560
[  610.483087][   T10]      ipv6_add_addr+0x411/0x2000
[  610.483087][   T10]      inet6_addr_add+0x30e/0xa40
[  610.483087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  610.483087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.483087][   T10]      netlink_rcv_skb+0x130/0x360
[  610.483087][   T10]      netlink_unicast+0x449/0x710
[  610.483087][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.483087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.483087][   T10]      ___sys_sendmsg+0xee/0x170
[  610.483087][   T10]      __sys_sendmsg+0xcd/0x170
[  610.483087][   T10]      do_syscall_64+0xc6/0x1e0
[  610.483087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.483087][   T10] 
[  610.485376][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  610.485376][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  610.485376][   T10]      ipv6_find_idev+0x102/0x170
[  610.485376][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  610.485376][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.485376][   T10]      netlink_rcv_skb+0x130/0x360
[  610.485376][   T10]      netlink_unicast+0x449/0x710
[  610.485376][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.485376][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.485376][   T10]      ___sys_sendmsg+0xee/0x170
[  610.485376][   T10]      __sys_sendmsg+0xcd/0x170
[  610.485376][   T10]      do_syscall_64+0xc6/0x1e0
[  610.485376][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.485376][   T10] 
[  610.487080][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  610.487080][   T10]      neigh_parms_alloc+0x1e5/0x510
[  610.487080][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  610.487080][   T10]      ipv6_find_idev+0x102/0x170
[  610.487080][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  610.487080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  610.487080][   T10]      netlink_rcv_skb+0x130/0x360
[  610.487080][   T10]      netlink_unicast+0x449/0x710
[  610.487080][   T10]      netlink_sendmsg+0x723/0xbe0
[  610.487080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  610.487080][   T10]      ___sys_sendmsg+0xee/0x170
[  610.487080][   T10]      __sys_sendmsg+0xcd/0x170
[  610.487080][   T10]      do_syscall_64+0xc6/0x1e0
[  610.487080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  610.487080][   T10] 
[  620.592692][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  620.593011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.593011][   T10]      dst_init+0x84/0x4a0
[  620.593011][   T10]      dst_alloc+0x97/0x150
[  620.593011][   T10]      ip6_dst_alloc+0x23/0x90
[  620.593011][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  620.593011][   T10]      ip6_pol_route+0x56f/0x840
[  620.593011][   T10]      fib6_rule_lookup+0x456/0x630
[  620.593011][   T10]      ip6_route_input+0x59c/0xa50
[  620.593011][   T10]      ipv6_rcv+0x397/0x810
[  620.593011][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  620.593011][   T10]      process_backlog+0x101/0x620
[  620.593011][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  620.593011][   T10]      net_rx_action+0x495/0xbe0
[  620.593011][   T10]      __do_softirq+0x1b5/0x7f6
[  620.593011][   T10] 
[  620.594712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.594712][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  620.594712][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  620.594712][   T10]      fib6_nh_init+0xa22/0x1580
[  620.594712][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.594712][   T10]      ip6_route_add+0x1c/0x140
[  620.594712][   T10]      inet6_rtm_newroute+0x104/0x110
[  620.594712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.594712][   T10]      netlink_rcv_skb+0x130/0x360
[  620.594712][   T10]      netlink_unicast+0x449/0x710
[  620.594712][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.594712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.594712][   T10]      ___sys_sendmsg+0xee/0x170
[  620.594712][   T10]      __sys_sendmsg+0xcd/0x170
[  620.594712][   T10]      do_syscall_64+0xc6/0x1e0
[  620.594712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.594712][   T10] 
[  620.596624][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.596624][   T10]      netdev_get_by_index+0x5e/0x80
[  620.596624][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.596624][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.596624][   T10]      addrconf_f6i_alloc+0x265/0x560
[  620.596624][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  620.596624][   T10]      addrconf_join_anycast+0x1c0/0x220
[  620.596624][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  620.596624][   T10]      addrconf_dad_completed+0x12b/0xe20
[  620.596624][   T10]      addrconf_dad_begin+0x310/0x670
[  620.596624][   T10]      addrconf_dad_work+0x10b/0xab0
[  620.596624][   T10]      process_one_work+0x84d/0x18a0
[  620.596624][   T10]      worker_thread+0x587/0xd30
[  620.596624][   T10]      kthread+0x28a/0x350
[  620.596624][   T10]      ret_from_fork+0x31/0x70
[  620.596624][   T10]      ret_from_fork_asm+0x1a/0x30
[  620.596624][   T10] 
[  620.598583][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.598583][   T10]      netdev_get_by_index+0x5e/0x80
[  620.598583][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.598583][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.598583][   T10]      ip6_route_add+0x1c/0x140
[  620.598583][   T10]      addrconf_prefix_route+0x2a6/0x430
[  620.598583][   T10]      inet6_addr_add+0x4f8/0xa40
[  620.598583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.598583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.598583][   T10]      netlink_rcv_skb+0x130/0x360
[  620.598583][   T10]      netlink_unicast+0x449/0x710
[  620.598583][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.598583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.598583][   T10]      ___sys_sendmsg+0xee/0x170
[  620.598583][   T10]      __sys_sendmsg+0xcd/0x170
[  620.598583][   T10]      do_syscall_64+0xc6/0x1e0
[  620.598583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.598583][   T10] 
[  620.600620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.600620][   T10]      netdev_get_by_index+0x5e/0x80
[  620.600620][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.600620][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.600620][   T10]      addrconf_f6i_alloc+0x315/0x560
[  620.600620][   T10]      ipv6_add_addr+0x411/0x2000
[  620.600620][   T10]      inet6_addr_add+0x30e/0xa40
[  620.600620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.600620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.600620][   T10]      netlink_rcv_skb+0x130/0x360
[  620.600620][   T10]      netlink_unicast+0x449/0x710
[  620.600620][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.600620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.600620][   T10]      ___sys_sendmsg+0xee/0x170
[  620.600620][   T10]      __sys_sendmsg+0xcd/0x170
[  620.600620][   T10]      do_syscall_64+0xc6/0x1e0
[  620.600620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.600620][   T10] 
[  620.602685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.602685][   T10]      netdev_get_by_index+0x5e/0x80
[  620.602685][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.602685][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.602685][   T10]      ip6_route_add+0x1c/0x140
[  620.602685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  620.602685][   T10]      addrconf_add_dev+0xe2/0x170
[  620.602685][   T10]      inet6_addr_add+0x12f/0xa40
[  620.602685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.602685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.602685][   T10]      netlink_rcv_skb+0x130/0x360
[  620.602685][   T10]      netlink_unicast+0x449/0x710
[  620.602685][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.602685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.602685][   T10]      ___sys_sendmsg+0xee/0x170
[  620.602685][   T10]      __sys_sendmsg+0xcd/0x170
[  620.602685][   T10]      do_syscall_64+0xc6/0x1e0
[  620.602685][   T10] 
[  620.604824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.604824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  620.604824][   T10]      ipv6_find_idev+0x102/0x170
[  620.604824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  620.604824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.604824][   T10]      netlink_rcv_skb+0x130/0x360
[  620.604824][   T10]      netlink_unicast+0x449/0x710
[  620.604824][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.604824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.604824][   T10]      ___sys_sendmsg+0xee/0x170
[  620.604824][   T10]      __sys_sendmsg+0xcd/0x170
[  620.604824][   T10]      do_syscall_64+0xc6/0x1e0
[  620.604824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.604824][   T10] 
[  620.606530][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  620.606530][   T10]      neigh_parms_alloc+0x1e5/0x510
[  620.606530][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  620.606530][   T10]      ipv6_find_idev+0x102/0x170
[  620.606530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  620.606530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.606530][   T10]      netlink_rcv_skb+0x130/0x360
[  620.606530][   T10]      netlink_unicast+0x449/0x710
[  620.606530][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.606530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.606530][   T10]      ___sys_sendmsg+0xee/0x170
[  620.606530][   T10]      __sys_sendmsg+0xcd/0x170
[  620.606530][   T10]      do_syscall_64+0xc6/0x1e0
[  620.606530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.606530][   T10] 
[  620.608364][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  620.608705][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.608705][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  620.608705][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  620.608705][   T10]      fib6_nh_init+0xa22/0x1580
[  620.608705][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.608705][   T10]      ip6_route_add+0x1c/0x140
[  620.608705][   T10]      inet6_rtm_newroute+0x104/0x110
[  620.608705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.608705][   T10]      netlink_rcv_skb+0x130/0x360
[  620.608705][   T10]      netlink_unicast+0x449/0x710
[  620.608705][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.608705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.608705][   T10]      ___sys_sendmsg+0xee/0x170
[  620.608705][   T10]      __sys_sendmsg+0xcd/0x170
[  620.608705][   T10]      do_syscall_64+0xc6/0x1e0
[  620.608705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.608705][   T10] 
[  620.610708][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.610708][   T10]      dst_init+0x84/0x4a0
[  620.610708][   T10]      dst_alloc+0x97/0x150
[  620.610708][   T10]      ip6_dst_alloc+0x23/0x90
[  620.610708][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  620.610708][   T10]      ip6_pol_route+0x56f/0x840
[  620.610708][   T10]      fib6_rule_lookup+0x456/0x630
[  620.610708][   T10]      ip6_route_input+0x59c/0xa50
[  620.610708][   T10]      ipv6_rcv+0x397/0x810
[  620.610708][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  620.610708][   T10]      process_backlog+0x101/0x620
[  620.610708][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  620.610708][   T10]      net_rx_action+0x495/0xbe0
[  620.610708][   T10]      __do_softirq+0x1b5/0x7f6
[  620.610708][   T10] 
[  620.612722][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.612722][   T10]      netdev_get_by_index+0x5e/0x80
[  620.612722][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.612722][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.612722][   T10]      addrconf_f6i_alloc+0x265/0x560
[  620.612722][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  620.612722][   T10]      addrconf_join_anycast+0x1c0/0x220
[  620.612722][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  620.612722][   T10]      addrconf_dad_completed+0x12b/0xe20
[  620.612722][   T10]      addrconf_dad_begin+0x310/0x670
[  620.612722][   T10]      addrconf_dad_work+0x10b/0xab0
[  620.612722][   T10]      process_one_work+0x84d/0x18a0
[  620.612722][   T10]      worker_thread+0x587/0xd30
[  620.612722][   T10]      kthread+0x28a/0x350
[  620.612722][   T10]      ret_from_fork+0x31/0x70
[  620.612722][   T10]      ret_from_fork_asm+0x1a/0x30
[  620.612722][   T10] 
[  620.614777][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.614777][   T10]      netdev_get_by_index+0x5e/0x80
[  620.614777][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.614777][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.614777][   T10]      ip6_route_add+0x1c/0x140
[  620.614777][   T10]      addrconf_prefix_route+0x2a6/0x430
[  620.614777][   T10]      inet6_addr_add+0x4f8/0xa40
[  620.614777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.614777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.614777][   T10]      netlink_rcv_skb+0x130/0x360
[  620.614777][   T10]      netlink_unicast+0x449/0x710
[  620.614777][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.614777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.614777][   T10]      ___sys_sendmsg+0xee/0x170
[  620.614777][   T10]      __sys_sendmsg+0xcd/0x170
[  620.614777][   T10]      do_syscall_64+0xc6/0x1e0
[  620.614777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.614777][   T10] 
[  620.617073][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.617073][   T10]      netdev_get_by_index+0x5e/0x80
[  620.617073][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.617073][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.617073][   T10]      addrconf_f6i_alloc+0x315/0x560
[  620.617073][   T10]      ipv6_add_addr+0x411/0x2000
[  620.617073][   T10]      inet6_addr_add+0x30e/0xa40
[  620.617073][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.617073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.617073][   T10]      netlink_rcv_skb+0x130/0x360
[  620.617073][   T10]      netlink_unicast+0x449/0x710
[  620.617073][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.617073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.617073][   T10]      ___sys_sendmsg+0xee/0x170
[  620.617073][   T10]      __sys_sendmsg+0xcd/0x170
[  620.617073][   T10]      do_syscall_64+0xc6/0x1e0
[  620.617073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.617073][   T10] 
[  620.619385][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.619385][   T10]      netdev_get_by_index+0x5e/0x80
[  620.619385][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.619385][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.619385][   T10]      ip6_route_add+0x1c/0x140
[  620.619385][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  620.619385][   T10]      addrconf_add_dev+0xe2/0x170
[  620.619385][   T10]      inet6_addr_add+0x12f/0xa40
[  620.619385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.619385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.619385][   T10]      netlink_rcv_skb+0x130/0x360
[  620.619385][   T10]      netlink_unicast+0x449/0x710
[  620.619385][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.619385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.619385][   T10]      ___sys_sendmsg+0xee/0x170
[  620.619385][   T10]      __sys_sendmsg+0xcd/0x170
[  620.619385][   T10]      do_syscall_64+0xc6/0x1e0
[  620.619385][   T10] 
[  620.621507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.621507][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  620.621507][   T10]      ipv6_find_idev+0x102/0x170
[  620.621507][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  620.621507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.621507][   T10]      netlink_rcv_skb+0x130/0x360
[  620.621507][   T10]      netlink_unicast+0x449/0x710
[  620.621507][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.621507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.621507][   T10]      ___sys_sendmsg+0xee/0x170
[  620.621507][   T10]      __sys_sendmsg+0xcd/0x170
[  620.621507][   T10]      do_syscall_64+0xc6/0x1e0
[  620.621507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.621507][   T10] 
[  620.623250][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  620.623250][   T10]      neigh_parms_alloc+0x1e5/0x510
[  620.623250][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  620.623250][   T10]      ipv6_find_idev+0x102/0x170
[  620.623250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  620.623250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.623250][   T10]      netlink_rcv_skb+0x130/0x360
[  620.623250][   T10]      netlink_unicast+0x449/0x710
[  620.623250][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.623250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.623250][   T10]      ___sys_sendmsg+0xee/0x170
[  620.623250][   T10]      __sys_sendmsg+0xcd/0x170
[  620.623250][   T10]      do_syscall_64+0xc6/0x1e0
[  620.623250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.623250][   T10] 
[  620.625075][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  620.625324][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  620.625324][   T10]      netdev_get_by_index+0x5e/0x80
[  620.625324][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.625324][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.625324][   T10]      ip6_route_add+0x1c/0x140
[  620.625324][   T10]      addrconf_prefix_route+0x2a6/0x430
[  620.625324][   T10]      inet6_addr_add+0x4f8/0xa40
[  620.625324][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.625324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.625324][   T10]      netlink_rcv_skb+0x130/0x360
[  620.625324][   T10]      netlink_unicast+0x449/0x710
[  620.625324][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.625324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.625324][   T10]      ___sys_sendmsg+0xee/0x170
[  620.625324][   T10]      __sys_sendmsg+0xcd/0x170
[  620.625324][   T10]      do_syscall_64+0xc6/0x1e0
[  620.625324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.625324][   T10] 
[  620.627569][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  620.627569][   T10]      netdev_get_by_index+0x5e/0x80
[  620.627569][   T10]      fib6_nh_init+0x3d8/0x1580
[  620.627569][   T10]      ip6_route_info_create+0xf18/0x17d0
[  620.627569][   T10]      addrconf_f6i_alloc+0x315/0x560
[  620.627569][   T10]      ipv6_add_addr+0x411/0x2000
[  620.627569][   T10]      inet6_addr_add+0x30e/0xa40
[  620.627569][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  620.627569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.627569][   T10]      netlink_rcv_skb+0x130/0x360
[  620.627569][   T10]      netlink_unicast+0x449/0x710
[  620.627569][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.627569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.627569][   T10]      ___sys_sendmsg+0xee/0x170
[  620.627569][   T10]      __sys_sendmsg+0xcd/0x170
[  620.627569][   T10]      do_syscall_64+0xc6/0x1e0
[  620.627569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.627569][   T10] 
[  620.629719][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  620.629719][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  620.629719][   T10]      ipv6_find_idev+0x102/0x170
[  620.629719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  620.629719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.629719][   T10]      netlink_rcv_skb+0x130/0x360
[  620.629719][   T10]      netlink_unicast+0x449/0x710
[  620.629719][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.629719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.629719][   T10]      ___sys_sendmsg+0xee/0x170
[  620.629719][   T10]      __sys_sendmsg+0xcd/0x170
[  620.629719][   T10]      do_syscall_64+0xc6/0x1e0
[  620.629719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.629719][   T10] 
[  620.631490][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  620.631490][   T10]      neigh_parms_alloc+0x1e5/0x510
[  620.631490][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  620.631490][   T10]      ipv6_find_idev+0x102/0x170
[  620.631490][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  620.631490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  620.631490][   T10]      netlink_rcv_skb+0x130/0x360
[  620.631490][   T10]      netlink_unicast+0x449/0x710
[  620.631490][   T10]      netlink_sendmsg+0x723/0xbe0
[  620.631490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  620.631490][   T10]      ___sys_sendmsg+0xee/0x170
[  620.631490][   T10]      __sys_sendmsg+0xcd/0x170
[  620.631490][   T10]      do_syscall_64+0xc6/0x1e0
[  620.631490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  620.631490][   T10] 
[  621.736255][ T4419] veth0: renamed from veth1
[  625.694323][ T4446] br0: port 1(vx0) entered blocking state
[  625.694618][ T4446] br0: port 1(vx0) entered disabled state
[  625.694790][ T4446] vx0: entered allmulticast mode
[  625.695966][ T4446] vx0: entered promiscuous mode
[  625.697794][ T4446] br0: port 1(vx0) entered blocking state
[  625.697960][ T4446] br0: port 1(vx0) entered forwarding state
[  630.777606][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  630.777927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.777927][   T10]      dst_init+0x84/0x4a0
[  630.777927][   T10]      dst_alloc+0x97/0x150
[  630.777927][   T10]      ip6_dst_alloc+0x23/0x90
[  630.777927][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  630.777927][   T10]      ip6_pol_route+0x56f/0x840
[  630.777927][   T10]      fib6_rule_lookup+0x456/0x630
[  630.777927][   T10]      ip6_route_input+0x59c/0xa50
[  630.777927][   T10]      ipv6_rcv+0x397/0x810
[  630.777927][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  630.777927][   T10]      process_backlog+0x101/0x620
[  630.777927][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  630.777927][   T10]      net_rx_action+0x495/0xbe0
[  630.777927][   T10]      __do_softirq+0x1b5/0x7f6
[  630.777927][   T10] 
[  630.779668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.779668][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  630.779668][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  630.779668][   T10]      fib6_nh_init+0xa22/0x1580
[  630.779668][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.779668][   T10]      ip6_route_add+0x1c/0x140
[  630.779668][   T10]      inet6_rtm_newroute+0x104/0x110
[  630.779668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.779668][   T10]      netlink_rcv_skb+0x130/0x360
[  630.779668][   T10]      netlink_unicast+0x449/0x710
[  630.779668][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.779668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.779668][   T10]      ___sys_sendmsg+0xee/0x170
[  630.779668][   T10]      __sys_sendmsg+0xcd/0x170
[  630.779668][   T10]      do_syscall_64+0xc6/0x1e0
[  630.779668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.779668][   T10] 
[  630.781611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.781611][   T10]      netdev_get_by_index+0x5e/0x80
[  630.781611][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.781611][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.781611][   T10]      addrconf_f6i_alloc+0x265/0x560
[  630.781611][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  630.781611][   T10]      addrconf_join_anycast+0x1c0/0x220
[  630.781611][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  630.781611][   T10]      addrconf_dad_completed+0x12b/0xe20
[  630.781611][   T10]      addrconf_dad_begin+0x310/0x670
[  630.781611][   T10]      addrconf_dad_work+0x10b/0xab0
[  630.781611][   T10]      process_one_work+0x84d/0x18a0
[  630.781611][   T10]      worker_thread+0x587/0xd30
[  630.781611][   T10]      kthread+0x28a/0x350
[  630.781611][   T10]      ret_from_fork+0x31/0x70
[  630.781611][   T10]      ret_from_fork_asm+0x1a/0x30
[  630.781611][   T10] 
[  630.783565][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.783565][   T10]      netdev_get_by_index+0x5e/0x80
[  630.783565][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.783565][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.783565][   T10]      ip6_route_add+0x1c/0x140
[  630.783565][   T10]      addrconf_prefix_route+0x2a6/0x430
[  630.783565][   T10]      inet6_addr_add+0x4f8/0xa40
[  630.783565][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.783565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.783565][   T10]      netlink_rcv_skb+0x130/0x360
[  630.783565][   T10]      netlink_unicast+0x449/0x710
[  630.783565][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.783565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.783565][   T10]      ___sys_sendmsg+0xee/0x170
[  630.783565][   T10]      __sys_sendmsg+0xcd/0x170
[  630.783565][   T10]      do_syscall_64+0xc6/0x1e0
[  630.783565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.783565][   T10] 
[  630.785613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.785613][   T10]      netdev_get_by_index+0x5e/0x80
[  630.785613][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.785613][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.785613][   T10]      addrconf_f6i_alloc+0x315/0x560
[  630.785613][   T10]      ipv6_add_addr+0x411/0x2000
[  630.785613][   T10]      inet6_addr_add+0x30e/0xa40
[  630.785613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.785613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.785613][   T10]      netlink_rcv_skb+0x130/0x360
[  630.785613][   T10]      netlink_unicast+0x449/0x710
[  630.785613][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.785613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.785613][   T10]      ___sys_sendmsg+0xee/0x170
[  630.785613][   T10]      __sys_sendmsg+0xcd/0x170
[  630.785613][   T10]      do_syscall_64+0xc6/0x1e0
[  630.785613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.785613][   T10] 
[  630.787675][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.787675][   T10]      netdev_get_by_index+0x5e/0x80
[  630.787675][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.787675][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.787675][   T10]      ip6_route_add+0x1c/0x140
[  630.787675][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  630.787675][   T10]      addrconf_add_dev+0xe2/0x170
[  630.787675][   T10]      inet6_addr_add+0x12f/0xa40
[  630.787675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.787675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.787675][   T10]      netlink_rcv_skb+0x130/0x360
[  630.787675][   T10]      netlink_unicast+0x449/0x710
[  630.787675][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.787675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.787675][   T10]      ___sys_sendmsg+0xee/0x170
[  630.787675][   T10]      __sys_sendmsg+0xcd/0x170
[  630.787675][   T10]      do_syscall_64+0xc6/0x1e0
[  630.787675][   T10] 
[  630.789698][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.789698][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  630.789698][   T10]      ipv6_find_idev+0x102/0x170
[  630.789698][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  630.789698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.789698][   T10]      netlink_rcv_skb+0x130/0x360
[  630.789698][   T10]      netlink_unicast+0x449/0x710
[  630.789698][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.789698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.789698][   T10]      ___sys_sendmsg+0xee/0x170
[  630.789698][   T10]      __sys_sendmsg+0xcd/0x170
[  630.789698][   T10]      do_syscall_64+0xc6/0x1e0
[  630.789698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.789698][   T10] 
[  630.791272][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  630.791272][   T10]      neigh_parms_alloc+0x1e5/0x510
[  630.791272][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  630.791272][   T10]      ipv6_find_idev+0x102/0x170
[  630.791272][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  630.791272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.791272][   T10]      netlink_rcv_skb+0x130/0x360
[  630.791272][   T10]      netlink_unicast+0x449/0x710
[  630.791272][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.791272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.791272][   T10]      ___sys_sendmsg+0xee/0x170
[  630.791272][   T10]      __sys_sendmsg+0xcd/0x170
[  630.791272][   T10]      do_syscall_64+0xc6/0x1e0
[  630.791272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.791272][   T10] 
[  630.793486][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  630.793766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.793766][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  630.793766][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  630.793766][   T10]      fib6_nh_init+0xa22/0x1580
[  630.793766][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.793766][   T10]      ip6_route_add+0x1c/0x140
[  630.793766][   T10]      inet6_rtm_newroute+0x104/0x110
[  630.793766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.793766][   T10]      netlink_rcv_skb+0x130/0x360
[  630.793766][   T10]      netlink_unicast+0x449/0x710
[  630.793766][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.793766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.793766][   T10]      ___sys_sendmsg+0xee/0x170
[  630.793766][   T10]      __sys_sendmsg+0xcd/0x170
[  630.793766][   T10]      do_syscall_64+0xc6/0x1e0
[  630.793766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.793766][   T10] 
[  630.795822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.795822][   T10]      dst_init+0x84/0x4a0
[  630.795822][   T10]      dst_alloc+0x97/0x150
[  630.795822][   T10]      ip6_dst_alloc+0x23/0x90
[  630.795822][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  630.795822][   T10]      ip6_pol_route+0x56f/0x840
[  630.795822][   T10]      fib6_rule_lookup+0x456/0x630
[  630.795822][   T10]      ip6_route_input+0x59c/0xa50
[  630.795822][   T10]      ipv6_rcv+0x397/0x810
[  630.795822][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  630.795822][   T10]      process_backlog+0x101/0x620
[  630.795822][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  630.795822][   T10]      net_rx_action+0x495/0xbe0
[  630.795822][   T10]      __do_softirq+0x1b5/0x7f6
[  630.795822][   T10] 
[  630.797580][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.797580][   T10]      netdev_get_by_index+0x5e/0x80
[  630.797580][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.797580][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.797580][   T10]      addrconf_f6i_alloc+0x265/0x560
[  630.797580][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  630.797580][   T10]      addrconf_join_anycast+0x1c0/0x220
[  630.797580][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  630.797580][   T10]      addrconf_dad_completed+0x12b/0xe20
[  630.797580][   T10]      addrconf_dad_begin+0x310/0x670
[  630.797580][   T10]      addrconf_dad_work+0x10b/0xab0
[  630.797580][   T10]      process_one_work+0x84d/0x18a0
[  630.797580][   T10]      worker_thread+0x587/0xd30
[  630.797580][   T10]      kthread+0x28a/0x350
[  630.797580][   T10]      ret_from_fork+0x31/0x70
[  630.797580][   T10]      ret_from_fork_asm+0x1a/0x30
[  630.797580][   T10] 
[  630.799794][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.799794][   T10]      netdev_get_by_index+0x5e/0x80
[  630.799794][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.799794][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.799794][   T10]      ip6_route_add+0x1c/0x140
[  630.799794][   T10]      addrconf_prefix_route+0x2a6/0x430
[  630.799794][   T10]      inet6_addr_add+0x4f8/0xa40
[  630.799794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.799794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.799794][   T10]      netlink_rcv_skb+0x130/0x360
[  630.799794][   T10]      netlink_unicast+0x449/0x710
[  630.799794][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.799794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.799794][   T10]      ___sys_sendmsg+0xee/0x170
[  630.799794][   T10]      __sys_sendmsg+0xcd/0x170
[  630.799794][   T10]      do_syscall_64+0xc6/0x1e0
[  630.799794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.799794][   T10] 
[  630.801831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.801831][   T10]      netdev_get_by_index+0x5e/0x80
[  630.801831][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.801831][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.801831][   T10]      addrconf_f6i_alloc+0x315/0x560
[  630.801831][   T10]      ipv6_add_addr+0x411/0x2000
[  630.801831][   T10]      inet6_addr_add+0x30e/0xa40
[  630.801831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.801831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.801831][   T10]      netlink_rcv_skb+0x130/0x360
[  630.801831][   T10]      netlink_unicast+0x449/0x710
[  630.801831][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.801831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.801831][   T10]      ___sys_sendmsg+0xee/0x170
[  630.801831][   T10]      __sys_sendmsg+0xcd/0x170
[  630.801831][   T10]      do_syscall_64+0xc6/0x1e0
[  630.801831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.801831][   T10] 
[  630.803919][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.803919][   T10]      netdev_get_by_index+0x5e/0x80
[  630.803919][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.803919][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.803919][   T10]      ip6_route_add+0x1c/0x140
[  630.803919][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  630.803919][   T10]      addrconf_add_dev+0xe2/0x170
[  630.803919][   T10]      inet6_addr_add+0x12f/0xa40
[  630.803919][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.803919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.803919][   T10]      netlink_rcv_skb+0x130/0x360
[  630.803919][   T10]      netlink_unicast+0x449/0x710
[  630.803919][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.803919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.803919][   T10]      ___sys_sendmsg+0xee/0x170
[  630.803919][   T10]      __sys_sendmsg+0xcd/0x170
[  630.803919][   T10]      do_syscall_64+0xc6/0x1e0
[  630.803919][   T10] 
[  630.806169][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.806169][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  630.806169][   T10]      ipv6_find_idev+0x102/0x170
[  630.806169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  630.806169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.806169][   T10]      netlink_rcv_skb+0x130/0x360
[  630.806169][   T10]      netlink_unicast+0x449/0x710
[  630.806169][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.806169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.806169][   T10]      ___sys_sendmsg+0xee/0x170
[  630.806169][   T10]      __sys_sendmsg+0xcd/0x170
[  630.806169][   T10]      do_syscall_64+0xc6/0x1e0
[  630.806169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.806169][   T10] 
[  630.807955][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  630.807955][   T10]      neigh_parms_alloc+0x1e5/0x510
[  630.807955][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  630.807955][   T10]      ipv6_find_idev+0x102/0x170
[  630.807955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  630.807955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.807955][   T10]      netlink_rcv_skb+0x130/0x360
[  630.807955][   T10]      netlink_unicast+0x449/0x710
[  630.807955][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.807955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.807955][   T10]      ___sys_sendmsg+0xee/0x170
[  630.807955][   T10]      __sys_sendmsg+0xcd/0x170
[  630.807955][   T10]      do_syscall_64+0xc6/0x1e0
[  630.807955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.807955][   T10] 
[  630.809896][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  630.810207][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  630.810207][   T10]      netdev_get_by_index+0x5e/0x80
[  630.810207][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.810207][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.810207][   T10]      ip6_route_add+0x1c/0x140
[  630.810207][   T10]      addrconf_prefix_route+0x2a6/0x430
[  630.810207][   T10]      inet6_addr_add+0x4f8/0xa40
[  630.810207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.810207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.810207][   T10]      netlink_rcv_skb+0x130/0x360
[  630.810207][   T10]      netlink_unicast+0x449/0x710
[  630.810207][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.810207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.810207][   T10]      ___sys_sendmsg+0xee/0x170
[  630.810207][   T10]      __sys_sendmsg+0xcd/0x170
[  630.810207][   T10]      do_syscall_64+0xc6/0x1e0
[  630.810207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.810207][   T10] 
[  630.812298][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  630.812298][   T10]      netdev_get_by_index+0x5e/0x80
[  630.812298][   T10]      fib6_nh_init+0x3d8/0x1580
[  630.812298][   T10]      ip6_route_info_create+0xf18/0x17d0
[  630.812298][   T10]      addrconf_f6i_alloc+0x315/0x560
[  630.812298][   T10]      ipv6_add_addr+0x411/0x2000
[  630.812298][   T10]      inet6_addr_add+0x30e/0xa40
[  630.812298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  630.812298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.812298][   T10]      netlink_rcv_skb+0x130/0x360
[  630.812298][   T10]      netlink_unicast+0x449/0x710
[  630.812298][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.812298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.812298][   T10]      ___sys_sendmsg+0xee/0x170
[  630.812298][   T10]      __sys_sendmsg+0xcd/0x170
[  630.812298][   T10]      do_syscall_64+0xc6/0x1e0
[  630.812298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.812298][   T10] 
[  630.814323][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  630.814323][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  630.814323][   T10]      ipv6_find_idev+0x102/0x170
[  630.814323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  630.814323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.814323][   T10]      netlink_rcv_skb+0x130/0x360
[  630.814323][   T10]      netlink_unicast+0x449/0x710
[  630.814323][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.814323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.814323][   T10]      ___sys_sendmsg+0xee/0x170
[  630.814323][   T10]      __sys_sendmsg+0xcd/0x170
[  630.814323][   T10]      do_syscall_64+0xc6/0x1e0
[  630.814323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.814323][   T10] 
[  630.815886][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  630.815886][   T10]      neigh_parms_alloc+0x1e5/0x510
[  630.815886][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  630.815886][   T10]      ipv6_find_idev+0x102/0x170
[  630.815886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  630.815886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  630.815886][   T10]      netlink_rcv_skb+0x130/0x360
[  630.815886][   T10]      netlink_unicast+0x449/0x710
[  630.815886][   T10]      netlink_sendmsg+0x723/0xbe0
[  630.815886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  630.815886][   T10]      ___sys_sendmsg+0xee/0x170
[  630.815886][   T10]      __sys_sendmsg+0xcd/0x170
[  630.815886][   T10]      do_syscall_64+0xc6/0x1e0
[  630.815886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  630.815886][   T10] 
[  631.081508][ T4476] br0: port 1(vx0) entered blocking state
[  631.081799][ T4476] br0: port 1(vx0) entered disabled state
[  631.081976][ T4476] vx0: entered allmulticast mode
[  631.083199][ T4476] vx0: entered promiscuous mode
[  631.085107][ T4476] br0: port 1(vx0) entered blocking state
[  631.085273][ T4476] br0: port 1(vx0) entered forwarding state
[  635.142956][ T4507] veth0: renamed from veth1
[  639.058190][ T4534] br0: port 1(vx0) entered blocking state
[  639.058451][ T4534] br0: port 1(vx0) entered disabled state
[  639.058653][ T4534] vx0: entered allmulticast mode
[  639.059860][ T4534] vx0: entered promiscuous mode
[  639.061719][ T4534] br0: port 1(vx0) entered blocking state
[  639.061882][ T4534] br0: port 1(vx0) entered forwarding state
[  640.968613][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  640.968918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.968918][   T10]      dst_init+0x84/0x4a0
[  640.968918][   T10]      dst_alloc+0x97/0x150
[  640.968918][   T10]      ip6_dst_alloc+0x23/0x90
[  640.968918][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  640.968918][   T10]      ip6_pol_route+0x56f/0x840
[  640.968918][   T10]      fib6_rule_lookup+0x456/0x630
[  640.968918][   T10]      ip6_route_input+0x59c/0xa50
[  640.968918][   T10]      ipv6_rcv+0x397/0x810
[  640.968918][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  640.968918][   T10]      process_backlog+0x101/0x620
[  640.968918][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  640.968918][   T10]      net_rx_action+0x495/0xbe0
[  640.968918][   T10]      __do_softirq+0x1b5/0x7f6
[  640.968918][   T10] 
[  640.970629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.970629][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  640.970629][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  640.970629][   T10]      fib6_nh_init+0xa22/0x1580
[  640.970629][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.970629][   T10]      ip6_route_add+0x1c/0x140
[  640.970629][   T10]      inet6_rtm_newroute+0x104/0x110
[  640.970629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.970629][   T10]      netlink_rcv_skb+0x130/0x360
[  640.970629][   T10]      netlink_unicast+0x449/0x710
[  640.970629][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.970629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.970629][   T10]      ___sys_sendmsg+0xee/0x170
[  640.970629][   T10]      __sys_sendmsg+0xcd/0x170
[  640.970629][   T10]      do_syscall_64+0xc6/0x1e0
[  640.970629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.970629][   T10] 
[  640.972573][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.972573][   T10]      netdev_get_by_index+0x5e/0x80
[  640.972573][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.972573][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.972573][   T10]      addrconf_f6i_alloc+0x265/0x560
[  640.972573][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  640.972573][   T10]      addrconf_join_anycast+0x1c0/0x220
[  640.972573][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  640.972573][   T10]      addrconf_dad_completed+0x12b/0xe20
[  640.972573][   T10]      addrconf_dad_begin+0x310/0x670
[  640.972573][   T10]      addrconf_dad_work+0x10b/0xab0
[  640.972573][   T10]      process_one_work+0x84d/0x18a0
[  640.972573][   T10]      worker_thread+0x587/0xd30
[  640.972573][   T10]      kthread+0x28a/0x350
[  640.972573][   T10]      ret_from_fork+0x31/0x70
[  640.972573][   T10]      ret_from_fork_asm+0x1a/0x30
[  640.972573][   T10] 
[  640.974519][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.974519][   T10]      netdev_get_by_index+0x5e/0x80
[  640.974519][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.974519][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.974519][   T10]      ip6_route_add+0x1c/0x140
[  640.974519][   T10]      addrconf_prefix_route+0x2a6/0x430
[  640.974519][   T10]      inet6_addr_add+0x4f8/0xa40
[  640.974519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  640.974519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.974519][   T10]      netlink_rcv_skb+0x130/0x360
[  640.974519][   T10]      netlink_unicast+0x449/0x710
[  640.974519][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.974519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.974519][   T10]      ___sys_sendmsg+0xee/0x170
[  640.974519][   T10]      __sys_sendmsg+0xcd/0x170
[  640.974519][   T10]      do_syscall_64+0xc6/0x1e0
[  640.974519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.974519][   T10] 
[  640.976544][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.976544][   T10]      netdev_get_by_index+0x5e/0x80
[  640.976544][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.976544][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.976544][   T10]      addrconf_f6i_alloc+0x315/0x560
[  640.976544][   T10]      ipv6_add_addr+0x411/0x2000
[  640.976544][   T10]      inet6_addr_add+0x30e/0xa40
[  640.976544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  640.976544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.976544][   T10]      netlink_rcv_skb+0x130/0x360
[  640.976544][   T10]      netlink_unicast+0x449/0x710
[  640.976544][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.976544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.976544][   T10]      ___sys_sendmsg+0xee/0x170
[  640.976544][   T10]      __sys_sendmsg+0xcd/0x170
[  640.976544][   T10]      do_syscall_64+0xc6/0x1e0
[  640.976544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.976544][   T10] 
[  640.978587][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.978587][   T10]      netdev_get_by_index+0x5e/0x80
[  640.978587][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.978587][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.978587][   T10]      ip6_route_add+0x1c/0x140
[  640.978587][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  640.978587][   T10]      addrconf_add_dev+0xe2/0x170
[  640.978587][   T10]      inet6_addr_add+0x12f/0xa40
[  640.978587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  640.978587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.978587][   T10]      netlink_rcv_skb+0x130/0x360
[  640.978587][   T10]      netlink_unicast+0x449/0x710
[  640.978587][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.978587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.978587][   T10]      ___sys_sendmsg+0xee/0x170
[  640.978587][   T10]      __sys_sendmsg+0xcd/0x170
[  640.978587][   T10]      do_syscall_64+0xc6/0x1e0
[  640.978587][   T10] 
[  640.980597][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.980597][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  640.980597][   T10]      ipv6_find_idev+0x102/0x170
[  640.980597][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  640.980597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.980597][   T10]      netlink_rcv_skb+0x130/0x360
[  640.980597][   T10]      netlink_unicast+0x449/0x710
[  640.980597][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.980597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.980597][   T10]      ___sys_sendmsg+0xee/0x170
[  640.980597][   T10]      __sys_sendmsg+0xcd/0x170
[  640.980597][   T10]      do_syscall_64+0xc6/0x1e0
[  640.980597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.980597][   T10] 
[  640.982149][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  640.982149][   T10]      neigh_parms_alloc+0x1e5/0x510
[  640.982149][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  640.982149][   T10]      ipv6_find_idev+0x102/0x170
[  640.982149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  640.982149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.982149][   T10]      netlink_rcv_skb+0x130/0x360
[  640.982149][   T10]      netlink_unicast+0x449/0x710
[  640.982149][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.982149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.982149][   T10]      ___sys_sendmsg+0xee/0x170
[  640.982149][   T10]      __sys_sendmsg+0xcd/0x170
[  640.982149][   T10]      do_syscall_64+0xc6/0x1e0
[  640.982149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.982149][   T10] 
[  640.984206][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  640.984453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.984453][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  640.984453][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  640.984453][   T10]      fib6_nh_init+0xa22/0x1580
[  640.984453][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.984453][   T10]      ip6_route_add+0x1c/0x140
[  640.984453][   T10]      inet6_rtm_newroute+0x104/0x110
[  640.984453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.984453][   T10]      netlink_rcv_skb+0x130/0x360
[  640.984453][   T10]      netlink_unicast+0x449/0x710
[  640.984453][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.984453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.984453][   T10]      ___sys_sendmsg+0xee/0x170
[  640.984453][   T10]      __sys_sendmsg+0xcd/0x170
[  640.984453][   T10]      do_syscall_64+0xc6/0x1e0
[  640.984453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.984453][   T10] 
[  640.986374][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.986374][   T10]      dst_init+0x84/0x4a0
[  640.986374][   T10]      dst_alloc+0x97/0x150
[  640.986374][   T10]      ip6_dst_alloc+0x23/0x90
[  640.986374][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  640.986374][   T10]      ip6_pol_route+0x56f/0x840
[  640.986374][   T10]      fib6_rule_lookup+0x456/0x630
[  640.986374][   T10]      ip6_route_input+0x59c/0xa50
[  640.986374][   T10]      ipv6_rcv+0x397/0x810
[  640.986374][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  640.986374][   T10]      process_backlog+0x101/0x620
[  640.986374][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  640.986374][   T10]      net_rx_action+0x495/0xbe0
[  640.986374][   T10]      __do_softirq+0x1b5/0x7f6
[  640.986374][   T10] 
[  640.988050][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.988050][   T10]      netdev_get_by_index+0x5e/0x80
[  640.988050][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.988050][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.988050][   T10]      addrconf_f6i_alloc+0x265/0x560
[  640.988050][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  640.988050][   T10]      addrconf_join_anycast+0x1c0/0x220
[  640.988050][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  640.988050][   T10]      addrconf_dad_completed+0x12b/0xe20
[  640.988050][   T10]      addrconf_dad_begin+0x310/0x670
[  640.988050][   T10]      addrconf_dad_work+0x10b/0xab0
[  640.988050][   T10]      process_one_work+0x84d/0x18a0
[  640.988050][   T10]      worker_thread+0x587/0xd30
[  640.988050][   T10]      kthread+0x28a/0x350
[  640.988050][   T10]      ret_from_fork+0x31/0x70
[  640.988050][   T10]      ret_from_fork_asm+0x1a/0x30
[  640.988050][   T10] 
[  640.990119][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.990119][   T10]      netdev_get_by_index+0x5e/0x80
[  640.990119][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.990119][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.990119][   T10]      ip6_route_add+0x1c/0x140
[  640.990119][   T10]      addrconf_prefix_route+0x2a6/0x430
[  640.990119][   T10]      inet6_addr_add+0x4f8/0xa40
[  640.990119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  640.990119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.990119][   T10]      netlink_rcv_skb+0x130/0x360
[  640.990119][   T10]      netlink_unicast+0x449/0x710
[  640.990119][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.990119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.990119][   T10]      ___sys_sendmsg+0xee/0x170
[  640.990119][   T10]      __sys_sendmsg+0xcd/0x170
[  640.990119][   T10]      do_syscall_64+0xc6/0x1e0
[  640.990119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.990119][   T10] 
[  640.992349][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.992349][   T10]      netdev_get_by_index+0x5e/0x80
[  640.992349][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.992349][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.992349][   T10]      addrconf_f6i_alloc+0x315/0x560
[  640.992349][   T10]      ipv6_add_addr+0x411/0x2000
[  640.992349][   T10]      inet6_addr_add+0x30e/0xa40
[  640.992349][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  640.992349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.992349][   T10]      netlink_rcv_skb+0x130/0x360
[  640.992349][   T10]      netlink_unicast+0x449/0x710
[  640.992349][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.992349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.992349][   T10]      ___sys_sendmsg+0xee/0x170
[  640.992349][   T10]      __sys_sendmsg+0xcd/0x170
[  640.992349][   T10]      do_syscall_64+0xc6/0x1e0
[  640.992349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.992349][   T10] 
[  640.994636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.994636][   T10]      netdev_get_by_index+0x5e/0x80
[  640.994636][   T10]      fib6_nh_init+0x3d8/0x1580
[  640.994636][   T10]      ip6_route_info_create+0xf18/0x17d0
[  640.994636][   T10]      ip6_route_add+0x1c/0x140
[  640.994636][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  640.994636][   T10]      addrconf_add_dev+0xe2/0x170
[  640.994636][   T10]      inet6_addr_add+0x12f/0xa40
[  640.994636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  640.994636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.994636][   T10]      netlink_rcv_skb+0x130/0x360
[  640.994636][   T10]      netlink_unicast+0x449/0x710
[  640.994636][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.994636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.994636][   T10]      ___sys_sendmsg+0xee/0x170
[  640.994636][   T10]      __sys_sendmsg+0xcd/0x170
[  640.994636][   T10]      do_syscall_64+0xc6/0x1e0
[  640.994636][   T10] 
[  640.996841][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.996841][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  640.996841][   T10]      ipv6_find_idev+0x102/0x170
[  640.996841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  640.996841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.996841][   T10]      netlink_rcv_skb+0x130/0x360
[  640.996841][   T10]      netlink_unicast+0x449/0x710
[  640.996841][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.996841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.996841][   T10]      ___sys_sendmsg+0xee/0x170
[  640.996841][   T10]      __sys_sendmsg+0xcd/0x170
[  640.996841][   T10]      do_syscall_64+0xc6/0x1e0
[  640.996841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.996841][   T10] 
[  640.998688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  640.998688][   T10]      neigh_parms_alloc+0x1e5/0x510
[  640.998688][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  640.998688][   T10]      ipv6_find_idev+0x102/0x170
[  640.998688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  640.998688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  640.998688][   T10]      netlink_rcv_skb+0x130/0x360
[  640.998688][   T10]      netlink_unicast+0x449/0x710
[  640.998688][   T10]      netlink_sendmsg+0x723/0xbe0
[  640.998688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  640.998688][   T10]      ___sys_sendmsg+0xee/0x170
[  640.998688][   T10]      __sys_sendmsg+0xcd/0x170
[  640.998688][   T10]      do_syscall_64+0xc6/0x1e0
[  640.998688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  640.998688][   T10] 
[  641.000628][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  641.000937][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  641.000937][   T10]      netdev_get_by_index+0x5e/0x80
[  641.000937][   T10]      fib6_nh_init+0x3d8/0x1580
[  641.000937][   T10]      ip6_route_info_create+0xf18/0x17d0
[  641.000937][   T10]      ip6_route_add+0x1c/0x140
[  641.000937][   T10]      addrconf_prefix_route+0x2a6/0x430
[  641.000937][   T10]      inet6_addr_add+0x4f8/0xa40
[  641.000937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  641.000937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.000937][   T10]      netlink_rcv_skb+0x130/0x360
[  641.000937][   T10]      netlink_unicast+0x449/0x710
[  641.000937][   T10]      netlink_sendmsg+0x723/0xbe0
[  641.000937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  641.000937][   T10]      ___sys_sendmsg+0xee/0x170
[  641.000937][   T10]      __sys_sendmsg+0xcd/0x170
[  641.000937][   T10]      do_syscall_64+0xc6/0x1e0
[  641.000937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.000937][   T10] 
[  641.003117][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  641.003117][   T10]      netdev_get_by_index+0x5e/0x80
[  641.003117][   T10]      fib6_nh_init+0x3d8/0x1580
[  641.003117][   T10]      ip6_route_info_create+0xf18/0x17d0
[  641.003117][   T10]      addrconf_f6i_alloc+0x315/0x560
[  641.003117][   T10]      ipv6_add_addr+0x411/0x2000
[  641.003117][   T10]      inet6_addr_add+0x30e/0xa40
[  641.003117][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  641.003117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.003117][   T10]      netlink_rcv_skb+0x130/0x360
[  641.003117][   T10]      netlink_unicast+0x449/0x710
[  641.003117][   T10]      netlink_sendmsg+0x723/0xbe0
[  641.003117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  641.003117][   T10]      ___sys_sendmsg+0xee/0x170
[  641.003117][   T10]      __sys_sendmsg+0xcd/0x170
[  641.003117][   T10]      do_syscall_64+0xc6/0x1e0
[  641.003117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.003117][   T10] 
[  641.005269][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  641.005269][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  641.005269][   T10]      ipv6_find_idev+0x102/0x170
[  641.005269][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  641.005269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.005269][   T10]      netlink_rcv_skb+0x130/0x360
[  641.005269][   T10]      netlink_unicast+0x449/0x710
[  641.005269][   T10]      netlink_sendmsg+0x723/0xbe0
[  641.005269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  641.005269][   T10]      ___sys_sendmsg+0xee/0x170
[  641.005269][   T10]      __sys_sendmsg+0xcd/0x170
[  641.005269][   T10]      do_syscall_64+0xc6/0x1e0
[  641.005269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.005269][   T10] 
[  641.007105][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  641.007105][   T10]      neigh_parms_alloc+0x1e5/0x510
[  641.007105][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  641.007105][   T10]      ipv6_find_idev+0x102/0x170
[  641.007105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  641.007105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  641.007105][   T10]      netlink_rcv_skb+0x130/0x360
[  641.007105][   T10]      netlink_unicast+0x449/0x710
[  641.007105][   T10]      netlink_sendmsg+0x723/0xbe0
[  641.007105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  641.007105][   T10]      ___sys_sendmsg+0xee/0x170
[  641.007105][   T10]      __sys_sendmsg+0xcd/0x170
[  641.007105][   T10]      do_syscall_64+0xc6/0x1e0
[  641.007105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  641.007105][   T10] 
[  644.538441][ T4564] br0: port 1(vx0) entered blocking state
[  644.538707][ T4564] br0: port 1(vx0) entered disabled state
[  644.538881][ T4564] vx0: entered allmulticast mode
[  644.540033][ T4564] vx0: entered promiscuous mode
[  644.542042][ T4564] br0: port 1(vx0) entered blocking state
[  644.542205][ T4564] br0: port 1(vx0) entered forwarding state
[  651.104740][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  651.105197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.105197][   T10]      dst_init+0x84/0x4a0
[  651.105197][   T10]      dst_alloc+0x97/0x150
[  651.105197][   T10]      ip6_dst_alloc+0x23/0x90
[  651.105197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  651.105197][   T10]      ip6_pol_route+0x56f/0x840
[  651.105197][   T10]      fib6_rule_lookup+0x456/0x630
[  651.105197][   T10]      ip6_route_input+0x59c/0xa50
[  651.105197][   T10]      ipv6_rcv+0x397/0x810
[  651.105197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  651.105197][   T10]      process_backlog+0x101/0x620
[  651.105197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  651.105197][   T10]      net_rx_action+0x495/0xbe0
[  651.105197][   T10]      __do_softirq+0x1b5/0x7f6
[  651.105197][   T10] 
[  651.106937][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.106937][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  651.106937][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  651.106937][   T10]      fib6_nh_init+0xa22/0x1580
[  651.106937][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.106937][   T10]      ip6_route_add+0x1c/0x140
[  651.106937][   T10]      inet6_rtm_newroute+0x104/0x110
[  651.106937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.106937][   T10]      netlink_rcv_skb+0x130/0x360
[  651.106937][   T10]      netlink_unicast+0x449/0x710
[  651.106937][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.106937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.106937][   T10]      ___sys_sendmsg+0xee/0x170
[  651.106937][   T10]      __sys_sendmsg+0xcd/0x170
[  651.106937][   T10]      do_syscall_64+0xc6/0x1e0
[  651.106937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.106937][   T10] 
[  651.108915][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.108915][   T10]      netdev_get_by_index+0x5e/0x80
[  651.108915][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.108915][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.108915][   T10]      addrconf_f6i_alloc+0x265/0x560
[  651.108915][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  651.108915][   T10]      addrconf_join_anycast+0x1c0/0x220
[  651.108915][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  651.108915][   T10]      addrconf_dad_completed+0x12b/0xe20
[  651.108915][   T10]      addrconf_dad_begin+0x310/0x670
[  651.108915][   T10]      addrconf_dad_work+0x10b/0xab0
[  651.108915][   T10]      process_one_work+0x84d/0x18a0
[  651.108915][   T10]      worker_thread+0x587/0xd30
[  651.108915][   T10]      kthread+0x28a/0x350
[  651.108915][   T10]      ret_from_fork+0x31/0x70
[  651.108915][   T10]      ret_from_fork_asm+0x1a/0x30
[  651.108915][   T10] 
[  651.110851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.110851][   T10]      netdev_get_by_index+0x5e/0x80
[  651.110851][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.110851][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.110851][   T10]      ip6_route_add+0x1c/0x140
[  651.110851][   T10]      addrconf_prefix_route+0x2a6/0x430
[  651.110851][   T10]      inet6_addr_add+0x4f8/0xa40
[  651.110851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.110851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.110851][   T10]      netlink_rcv_skb+0x130/0x360
[  651.110851][   T10]      netlink_unicast+0x449/0x710
[  651.110851][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.110851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.110851][   T10]      ___sys_sendmsg+0xee/0x170
[  651.110851][   T10]      __sys_sendmsg+0xcd/0x170
[  651.110851][   T10]      do_syscall_64+0xc6/0x1e0
[  651.110851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.110851][   T10] 
[  651.112884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.112884][   T10]      netdev_get_by_index+0x5e/0x80
[  651.112884][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.112884][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.112884][   T10]      addrconf_f6i_alloc+0x315/0x560
[  651.112884][   T10]      ipv6_add_addr+0x411/0x2000
[  651.112884][   T10]      inet6_addr_add+0x30e/0xa40
[  651.112884][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.112884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.112884][   T10]      netlink_rcv_skb+0x130/0x360
[  651.112884][   T10]      netlink_unicast+0x449/0x710
[  651.112884][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.112884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.112884][   T10]      ___sys_sendmsg+0xee/0x170
[  651.112884][   T10]      __sys_sendmsg+0xcd/0x170
[  651.112884][   T10]      do_syscall_64+0xc6/0x1e0
[  651.112884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.112884][   T10] 
[  651.114909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.114909][   T10]      netdev_get_by_index+0x5e/0x80
[  651.114909][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.114909][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.114909][   T10]      ip6_route_add+0x1c/0x140
[  651.114909][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  651.114909][   T10]      addrconf_add_dev+0xe2/0x170
[  651.114909][   T10]      inet6_addr_add+0x12f/0xa40
[  651.114909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.114909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.114909][   T10]      netlink_rcv_skb+0x130/0x360
[  651.114909][   T10]      netlink_unicast+0x449/0x710
[  651.114909][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.114909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.114909][   T10]      ___sys_sendmsg+0xee/0x170
[  651.114909][   T10]      __sys_sendmsg+0xcd/0x170
[  651.114909][   T10]      do_syscall_64+0xc6/0x1e0
[  651.114909][   T10] 
[  651.116889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.116889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  651.116889][   T10]      ipv6_find_idev+0x102/0x170
[  651.116889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.116889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.116889][   T10]      netlink_rcv_skb+0x130/0x360
[  651.116889][   T10]      netlink_unicast+0x449/0x710
[  651.116889][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.116889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.116889][   T10]      ___sys_sendmsg+0xee/0x170
[  651.116889][   T10]      __sys_sendmsg+0xcd/0x170
[  651.116889][   T10]      do_syscall_64+0xc6/0x1e0
[  651.116889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.116889][   T10] 
[  651.118445][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  651.118445][   T10]      neigh_parms_alloc+0x1e5/0x510
[  651.118445][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  651.118445][   T10]      ipv6_find_idev+0x102/0x170
[  651.118445][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.118445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.118445][   T10]      netlink_rcv_skb+0x130/0x360
[  651.118445][   T10]      netlink_unicast+0x449/0x710
[  651.118445][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.118445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.118445][   T10]      ___sys_sendmsg+0xee/0x170
[  651.118445][   T10]      __sys_sendmsg+0xcd/0x170
[  651.118445][   T10]      do_syscall_64+0xc6/0x1e0
[  651.118445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.118445][   T10] 
[  651.120151][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  651.120401][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.120401][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  651.120401][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  651.120401][   T10]      fib6_nh_init+0xa22/0x1580
[  651.120401][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.120401][   T10]      ip6_route_add+0x1c/0x140
[  651.120401][   T10]      inet6_rtm_newroute+0x104/0x110
[  651.120401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.120401][   T10]      netlink_rcv_skb+0x130/0x360
[  651.120401][   T10]      netlink_unicast+0x449/0x710
[  651.120401][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.120401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.120401][   T10]      ___sys_sendmsg+0xee/0x170
[  651.120401][   T10]      __sys_sendmsg+0xcd/0x170
[  651.120401][   T10]      do_syscall_64+0xc6/0x1e0
[  651.120401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.120401][   T10] 
[  651.122293][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.122293][   T10]      dst_init+0x84/0x4a0
[  651.122293][   T10]      dst_alloc+0x97/0x150
[  651.122293][   T10]      ip6_dst_alloc+0x23/0x90
[  651.122293][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  651.122293][   T10]      ip6_pol_route+0x56f/0x840
[  651.122293][   T10]      fib6_rule_lookup+0x456/0x630
[  651.122293][   T10]      ip6_route_input+0x59c/0xa50
[  651.122293][   T10]      ipv6_rcv+0x397/0x810
[  651.122293][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  651.122293][   T10]      process_backlog+0x101/0x620
[  651.122293][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  651.122293][   T10]      net_rx_action+0x495/0xbe0
[  651.122293][   T10]      __do_softirq+0x1b5/0x7f6
[  651.122293][   T10] 
[  651.123951][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.123951][   T10]      netdev_get_by_index+0x5e/0x80
[  651.123951][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.123951][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.123951][   T10]      addrconf_f6i_alloc+0x265/0x560
[  651.123951][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  651.123951][   T10]      addrconf_join_anycast+0x1c0/0x220
[  651.123951][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  651.123951][   T10]      addrconf_dad_completed+0x12b/0xe20
[  651.123951][   T10]      addrconf_dad_begin+0x310/0x670
[  651.123951][   T10]      addrconf_dad_work+0x10b/0xab0
[  651.123951][   T10]      process_one_work+0x84d/0x18a0
[  651.123951][   T10]      worker_thread+0x587/0xd30
[  651.123951][   T10]      kthread+0x28a/0x350
[  651.123951][   T10]      ret_from_fork+0x31/0x70
[  651.123951][   T10]      ret_from_fork_asm+0x1a/0x30
[  651.123951][   T10] 
[  651.125866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.125866][   T10]      netdev_get_by_index+0x5e/0x80
[  651.125866][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.125866][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.125866][   T10]      ip6_route_add+0x1c/0x140
[  651.125866][   T10]      addrconf_prefix_route+0x2a6/0x430
[  651.125866][   T10]      inet6_addr_add+0x4f8/0xa40
[  651.125866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.125866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.125866][   T10]      netlink_rcv_skb+0x130/0x360
[  651.125866][   T10]      netlink_unicast+0x449/0x710
[  651.125866][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.125866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.125866][   T10]      ___sys_sendmsg+0xee/0x170
[  651.125866][   T10]      __sys_sendmsg+0xcd/0x170
[  651.125866][   T10]      do_syscall_64+0xc6/0x1e0
[  651.125866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.125866][   T10] 
[  651.127882][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.127882][   T10]      netdev_get_by_index+0x5e/0x80
[  651.127882][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.127882][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.127882][   T10]      addrconf_f6i_alloc+0x315/0x560
[  651.127882][   T10]      ipv6_add_addr+0x411/0x2000
[  651.127882][   T10]      inet6_addr_add+0x30e/0xa40
[  651.127882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.127882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.127882][   T10]      netlink_rcv_skb+0x130/0x360
[  651.127882][   T10]      netlink_unicast+0x449/0x710
[  651.127882][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.127882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.127882][   T10]      ___sys_sendmsg+0xee/0x170
[  651.127882][   T10]      __sys_sendmsg+0xcd/0x170
[  651.127882][   T10]      do_syscall_64+0xc6/0x1e0
[  651.127882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.127882][   T10] 
[  651.129904][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.129904][   T10]      netdev_get_by_index+0x5e/0x80
[  651.129904][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.129904][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.129904][   T10]      ip6_route_add+0x1c/0x140
[  651.129904][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  651.129904][   T10]      addrconf_add_dev+0xe2/0x170
[  651.129904][   T10]      inet6_addr_add+0x12f/0xa40
[  651.129904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.129904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.129904][   T10]      netlink_rcv_skb+0x130/0x360
[  651.129904][   T10]      netlink_unicast+0x449/0x710
[  651.129904][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.129904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.129904][   T10]      ___sys_sendmsg+0xee/0x170
[  651.129904][   T10]      __sys_sendmsg+0xcd/0x170
[  651.129904][   T10]      do_syscall_64+0xc6/0x1e0
[  651.129904][   T10] 
[  651.132085][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.132085][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  651.132085][   T10]      ipv6_find_idev+0x102/0x170
[  651.132085][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.132085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.132085][   T10]      netlink_rcv_skb+0x130/0x360
[  651.132085][   T10]      netlink_unicast+0x449/0x710
[  651.132085][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.132085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.132085][   T10]      ___sys_sendmsg+0xee/0x170
[  651.132085][   T10]      __sys_sendmsg+0xcd/0x170
[  651.132085][   T10]      do_syscall_64+0xc6/0x1e0
[  651.132085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.132085][   T10] 
[  651.133831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  651.133831][   T10]      neigh_parms_alloc+0x1e5/0x510
[  651.133831][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  651.133831][   T10]      ipv6_find_idev+0x102/0x170
[  651.133831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.133831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.133831][   T10]      netlink_rcv_skb+0x130/0x360
[  651.133831][   T10]      netlink_unicast+0x449/0x710
[  651.133831][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.133831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.133831][   T10]      ___sys_sendmsg+0xee/0x170
[  651.133831][   T10]      __sys_sendmsg+0xcd/0x170
[  651.133831][   T10]      do_syscall_64+0xc6/0x1e0
[  651.133831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.133831][   T10] 
[  651.135764][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  651.136004][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  651.136004][   T10]      netdev_get_by_index+0x5e/0x80
[  651.136004][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.136004][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.136004][   T10]      ip6_route_add+0x1c/0x140
[  651.136004][   T10]      addrconf_prefix_route+0x2a6/0x430
[  651.136004][   T10]      inet6_addr_add+0x4f8/0xa40
[  651.136004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.136004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.136004][   T10]      netlink_rcv_skb+0x130/0x360
[  651.136004][   T10]      netlink_unicast+0x449/0x710
[  651.136004][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.136004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.136004][   T10]      ___sys_sendmsg+0xee/0x170
[  651.136004][   T10]      __sys_sendmsg+0xcd/0x170
[  651.136004][   T10]      do_syscall_64+0xc6/0x1e0
[  651.136004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.136004][   T10] 
[  651.138262][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  651.138262][   T10]      netdev_get_by_index+0x5e/0x80
[  651.138262][   T10]      fib6_nh_init+0x3d8/0x1580
[  651.138262][   T10]      ip6_route_info_create+0xf18/0x17d0
[  651.138262][   T10]      addrconf_f6i_alloc+0x315/0x560
[  651.138262][   T10]      ipv6_add_addr+0x411/0x2000
[  651.138262][   T10]      inet6_addr_add+0x30e/0xa40
[  651.138262][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  651.138262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.138262][   T10]      netlink_rcv_skb+0x130/0x360
[  651.138262][   T10]      netlink_unicast+0x449/0x710
[  651.138262][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.138262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.138262][   T10]      ___sys_sendmsg+0xee/0x170
[  651.138262][   T10]      __sys_sendmsg+0xcd/0x170
[  651.138262][   T10]      do_syscall_64+0xc6/0x1e0
[  651.138262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.138262][   T10] 
[  651.140539][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  651.140539][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  651.140539][   T10]      ipv6_find_idev+0x102/0x170
[  651.140539][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.140539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.140539][   T10]      netlink_rcv_skb+0x130/0x360
[  651.140539][   T10]      netlink_unicast+0x449/0x710
[  651.140539][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.140539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.140539][   T10]      ___sys_sendmsg+0xee/0x170
[  651.140539][   T10]      __sys_sendmsg+0xcd/0x170
[  651.140539][   T10]      do_syscall_64+0xc6/0x1e0
[  651.140539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.140539][   T10] 
[  651.142349][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  651.142349][   T10]      neigh_parms_alloc+0x1e5/0x510
[  651.142349][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  651.142349][   T10]      ipv6_find_idev+0x102/0x170
[  651.142349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  651.142349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  651.142349][   T10]      netlink_rcv_skb+0x130/0x360
[  651.142349][   T10]      netlink_unicast+0x449/0x710
[  651.142349][   T10]      netlink_sendmsg+0x723/0xbe0
[  651.142349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  651.142349][   T10]      ___sys_sendmsg+0xee/0x170
[  651.142349][   T10]      __sys_sendmsg+0xcd/0x170
[  651.142349][   T10]      do_syscall_64+0xc6/0x1e0
[  651.142349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  651.142349][   T10] 
[  656.428483][ T4623] veth0: renamed from veth1
[  660.450825][ T4650] br0: port 1(vx0) entered blocking state
[  660.451100][ T4650] br0: port 1(vx0) entered disabled state
[  660.451279][ T4650] vx0: entered allmulticast mode
[  660.454832][ T4650] vx0: entered promiscuous mode
[  660.456670][ T4650] br0: port 1(vx0) entered blocking state
[  660.456844][ T4650] br0: port 1(vx0) entered forwarding state
[  661.296696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  661.297035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.297035][   T10]      dst_init+0x84/0x4a0
[  661.297035][   T10]      dst_alloc+0x97/0x150
[  661.297035][   T10]      ip6_dst_alloc+0x23/0x90
[  661.297035][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  661.297035][   T10]      ip6_pol_route+0x56f/0x840
[  661.297035][   T10]      fib6_rule_lookup+0x456/0x630
[  661.297035][   T10]      ip6_route_input+0x59c/0xa50
[  661.297035][   T10]      ipv6_rcv+0x397/0x810
[  661.297035][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  661.297035][   T10]      process_backlog+0x101/0x620
[  661.297035][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  661.297035][   T10]      net_rx_action+0x495/0xbe0
[  661.297035][   T10]      __do_softirq+0x1b5/0x7f6
[  661.297035][   T10] 
[  661.298793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.298793][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  661.298793][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  661.298793][   T10]      fib6_nh_init+0xa22/0x1580
[  661.298793][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.298793][   T10]      ip6_route_add+0x1c/0x140
[  661.298793][   T10]      inet6_rtm_newroute+0x104/0x110
[  661.298793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.298793][   T10]      netlink_rcv_skb+0x130/0x360
[  661.298793][   T10]      netlink_unicast+0x449/0x710
[  661.298793][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.298793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.298793][   T10]      ___sys_sendmsg+0xee/0x170
[  661.298793][   T10]      __sys_sendmsg+0xcd/0x170
[  661.298793][   T10]      do_syscall_64+0xc6/0x1e0
[  661.298793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.298793][   T10] 
[  661.300746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.300746][   T10]      netdev_get_by_index+0x5e/0x80
[  661.300746][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.300746][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.300746][   T10]      addrconf_f6i_alloc+0x265/0x560
[  661.300746][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  661.300746][   T10]      addrconf_join_anycast+0x1c0/0x220
[  661.300746][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  661.300746][   T10]      addrconf_dad_completed+0x12b/0xe20
[  661.300746][   T10]      addrconf_dad_begin+0x310/0x670
[  661.300746][   T10]      addrconf_dad_work+0x10b/0xab0
[  661.300746][   T10]      process_one_work+0x84d/0x18a0
[  661.300746][   T10]      worker_thread+0x587/0xd30
[  661.300746][   T10]      kthread+0x28a/0x350
[  661.300746][   T10]      ret_from_fork+0x31/0x70
[  661.300746][   T10]      ret_from_fork_asm+0x1a/0x30
[  661.300746][   T10] 
[  661.302753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.302753][   T10]      netdev_get_by_index+0x5e/0x80
[  661.302753][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.302753][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.302753][   T10]      ip6_route_add+0x1c/0x140
[  661.302753][   T10]      addrconf_prefix_route+0x2a6/0x430
[  661.302753][   T10]      inet6_addr_add+0x4f8/0xa40
[  661.302753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.302753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.302753][   T10]      netlink_rcv_skb+0x130/0x360
[  661.302753][   T10]      netlink_unicast+0x449/0x710
[  661.302753][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.302753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.302753][   T10]      ___sys_sendmsg+0xee/0x170
[  661.302753][   T10]      __sys_sendmsg+0xcd/0x170
[  661.302753][   T10]      do_syscall_64+0xc6/0x1e0
[  661.302753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.302753][   T10] 
[  661.304841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.304841][   T10]      netdev_get_by_index+0x5e/0x80
[  661.304841][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.304841][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.304841][   T10]      addrconf_f6i_alloc+0x315/0x560
[  661.304841][   T10]      ipv6_add_addr+0x411/0x2000
[  661.304841][   T10]      inet6_addr_add+0x30e/0xa40
[  661.304841][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.304841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.304841][   T10]      netlink_rcv_skb+0x130/0x360
[  661.304841][   T10]      netlink_unicast+0x449/0x710
[  661.304841][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.304841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.304841][   T10]      ___sys_sendmsg+0xee/0x170
[  661.304841][   T10]      __sys_sendmsg+0xcd/0x170
[  661.304841][   T10]      do_syscall_64+0xc6/0x1e0
[  661.304841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.304841][   T10] 
[  661.306926][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.306926][   T10]      netdev_get_by_index+0x5e/0x80
[  661.306926][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.306926][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.306926][   T10]      ip6_route_add+0x1c/0x140
[  661.306926][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  661.306926][   T10]      addrconf_add_dev+0xe2/0x170
[  661.306926][   T10]      inet6_addr_add+0x12f/0xa40
[  661.306926][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.306926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.306926][   T10]      netlink_rcv_skb+0x130/0x360
[  661.306926][   T10]      netlink_unicast+0x449/0x710
[  661.306926][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.306926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.306926][   T10]      ___sys_sendmsg+0xee/0x170
[  661.306926][   T10]      __sys_sendmsg+0xcd/0x170
[  661.306926][   T10]      do_syscall_64+0xc6/0x1e0
[  661.306926][   T10] 
[  661.308948][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.308948][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  661.308948][   T10]      ipv6_find_idev+0x102/0x170
[  661.308948][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.308948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.308948][   T10]      netlink_rcv_skb+0x130/0x360
[  661.308948][   T10]      netlink_unicast+0x449/0x710
[  661.308948][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.308948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.308948][   T10]      ___sys_sendmsg+0xee/0x170
[  661.308948][   T10]      __sys_sendmsg+0xcd/0x170
[  661.308948][   T10]      do_syscall_64+0xc6/0x1e0
[  661.308948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.308948][   T10] 
[  661.310530][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  661.310530][   T10]      neigh_parms_alloc+0x1e5/0x510
[  661.310530][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  661.310530][   T10]      ipv6_find_idev+0x102/0x170
[  661.310530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.310530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.310530][   T10]      netlink_rcv_skb+0x130/0x360
[  661.310530][   T10]      netlink_unicast+0x449/0x710
[  661.310530][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.310530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.310530][   T10]      ___sys_sendmsg+0xee/0x170
[  661.310530][   T10]      __sys_sendmsg+0xcd/0x170
[  661.310530][   T10]      do_syscall_64+0xc6/0x1e0
[  661.310530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.310530][   T10] 
[  661.312818][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  661.313073][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.313073][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  661.313073][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  661.313073][   T10]      fib6_nh_init+0xa22/0x1580
[  661.313073][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.313073][   T10]      ip6_route_add+0x1c/0x140
[  661.313073][   T10]      inet6_rtm_newroute+0x104/0x110
[  661.313073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.313073][   T10]      netlink_rcv_skb+0x130/0x360
[  661.313073][   T10]      netlink_unicast+0x449/0x710
[  661.313073][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.313073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.313073][   T10]      ___sys_sendmsg+0xee/0x170
[  661.313073][   T10]      __sys_sendmsg+0xcd/0x170
[  661.313073][   T10]      do_syscall_64+0xc6/0x1e0
[  661.313073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.313073][   T10] 
[  661.315050][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.315050][   T10]      dst_init+0x84/0x4a0
[  661.315050][   T10]      dst_alloc+0x97/0x150
[  661.315050][   T10]      ip6_dst_alloc+0x23/0x90
[  661.315050][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  661.315050][   T10]      ip6_pol_route+0x56f/0x840
[  661.315050][   T10]      fib6_rule_lookup+0x456/0x630
[  661.315050][   T10]      ip6_route_input+0x59c/0xa50
[  661.315050][   T10]      ipv6_rcv+0x397/0x810
[  661.315050][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  661.315050][   T10]      process_backlog+0x101/0x620
[  661.315050][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  661.315050][   T10]      net_rx_action+0x495/0xbe0
[  661.315050][   T10]      __do_softirq+0x1b5/0x7f6
[  661.315050][   T10] 
[  661.316960][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.316960][   T10]      netdev_get_by_index+0x5e/0x80
[  661.316960][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.316960][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.316960][   T10]      addrconf_f6i_alloc+0x265/0x560
[  661.316960][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  661.316960][   T10]      addrconf_join_anycast+0x1c0/0x220
[  661.316960][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  661.316960][   T10]      addrconf_dad_completed+0x12b/0xe20
[  661.316960][   T10]      addrconf_dad_begin+0x310/0x670
[  661.316960][   T10]      addrconf_dad_work+0x10b/0xab0
[  661.316960][   T10]      process_one_work+0x84d/0x18a0
[  661.316960][   T10]      worker_thread+0x587/0xd30
[  661.316960][   T10]      kthread+0x28a/0x350
[  661.316960][   T10]      ret_from_fork+0x31/0x70
[  661.316960][   T10]      ret_from_fork_asm+0x1a/0x30
[  661.316960][   T10] 
[  661.319200][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.319200][   T10]      netdev_get_by_index+0x5e/0x80
[  661.319200][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.319200][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.319200][   T10]      ip6_route_add+0x1c/0x140
[  661.319200][   T10]      addrconf_prefix_route+0x2a6/0x430
[  661.319200][   T10]      inet6_addr_add+0x4f8/0xa40
[  661.319200][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.319200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.319200][   T10]      netlink_rcv_skb+0x130/0x360
[  661.319200][   T10]      netlink_unicast+0x449/0x710
[  661.319200][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.319200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.319200][   T10]      ___sys_sendmsg+0xee/0x170
[  661.319200][   T10]      __sys_sendmsg+0xcd/0x170
[  661.319200][   T10]      do_syscall_64+0xc6/0x1e0
[  661.319200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.319200][   T10] 
[  661.321504][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.321504][   T10]      netdev_get_by_index+0x5e/0x80
[  661.321504][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.321504][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.321504][   T10]      addrconf_f6i_alloc+0x315/0x560
[  661.321504][   T10]      ipv6_add_addr+0x411/0x2000
[  661.321504][   T10]      inet6_addr_add+0x30e/0xa40
[  661.321504][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.321504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.321504][   T10]      netlink_rcv_skb+0x130/0x360
[  661.321504][   T10]      netlink_unicast+0x449/0x710
[  661.321504][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.321504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.321504][   T10]      ___sys_sendmsg+0xee/0x170
[  661.321504][   T10]      __sys_sendmsg+0xcd/0x170
[  661.321504][   T10]      do_syscall_64+0xc6/0x1e0
[  661.321504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.321504][   T10] 
[  661.323852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.323852][   T10]      netdev_get_by_index+0x5e/0x80
[  661.323852][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.323852][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.323852][   T10]      ip6_route_add+0x1c/0x140
[  661.323852][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  661.323852][   T10]      addrconf_add_dev+0xe2/0x170
[  661.323852][   T10]      inet6_addr_add+0x12f/0xa40
[  661.323852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.323852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.323852][   T10]      netlink_rcv_skb+0x130/0x360
[  661.323852][   T10]      netlink_unicast+0x449/0x710
[  661.323852][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.323852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.323852][   T10]      ___sys_sendmsg+0xee/0x170
[  661.323852][   T10]      __sys_sendmsg+0xcd/0x170
[  661.323852][   T10]      do_syscall_64+0xc6/0x1e0
[  661.323852][   T10] 
[  661.326109][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.326109][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  661.326109][   T10]      ipv6_find_idev+0x102/0x170
[  661.326109][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.326109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.326109][   T10]      netlink_rcv_skb+0x130/0x360
[  661.326109][   T10]      netlink_unicast+0x449/0x710
[  661.326109][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.326109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.326109][   T10]      ___sys_sendmsg+0xee/0x170
[  661.326109][   T10]      __sys_sendmsg+0xcd/0x170
[  661.326109][   T10]      do_syscall_64+0xc6/0x1e0
[  661.326109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.326109][   T10] 
[  661.327971][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  661.327971][   T10]      neigh_parms_alloc+0x1e5/0x510
[  661.327971][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  661.327971][   T10]      ipv6_find_idev+0x102/0x170
[  661.327971][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.327971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.327971][   T10]      netlink_rcv_skb+0x130/0x360
[  661.327971][   T10]      netlink_unicast+0x449/0x710
[  661.327971][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.327971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.327971][   T10]      ___sys_sendmsg+0xee/0x170
[  661.327971][   T10]      __sys_sendmsg+0xcd/0x170
[  661.327971][   T10]      do_syscall_64+0xc6/0x1e0
[  661.327971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.327971][   T10] 
[  661.329911][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  661.330226][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  661.330226][   T10]      netdev_get_by_index+0x5e/0x80
[  661.330226][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.330226][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.330226][   T10]      ip6_route_add+0x1c/0x140
[  661.330226][   T10]      addrconf_prefix_route+0x2a6/0x430
[  661.330226][   T10]      inet6_addr_add+0x4f8/0xa40
[  661.330226][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.330226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.330226][   T10]      netlink_rcv_skb+0x130/0x360
[  661.330226][   T10]      netlink_unicast+0x449/0x710
[  661.330226][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.330226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.330226][   T10]      ___sys_sendmsg+0xee/0x170
[  661.330226][   T10]      __sys_sendmsg+0xcd/0x170
[  661.330226][   T10]      do_syscall_64+0xc6/0x1e0
[  661.330226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.330226][   T10] 
[  661.332363][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  661.332363][   T10]      netdev_get_by_index+0x5e/0x80
[  661.332363][   T10]      fib6_nh_init+0x3d8/0x1580
[  661.332363][   T10]      ip6_route_info_create+0xf18/0x17d0
[  661.332363][   T10]      addrconf_f6i_alloc+0x315/0x560
[  661.332363][   T10]      ipv6_add_addr+0x411/0x2000
[  661.332363][   T10]      inet6_addr_add+0x30e/0xa40
[  661.332363][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  661.332363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.332363][   T10]      netlink_rcv_skb+0x130/0x360
[  661.332363][   T10]      netlink_unicast+0x449/0x710
[  661.332363][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.332363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.332363][   T10]      ___sys_sendmsg+0xee/0x170
[  661.332363][   T10]      __sys_sendmsg+0xcd/0x170
[  661.332363][   T10]      do_syscall_64+0xc6/0x1e0
[  661.332363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.332363][   T10] 
[  661.334431][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  661.334431][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  661.334431][   T10]      ipv6_find_idev+0x102/0x170
[  661.334431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.334431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.334431][   T10]      netlink_rcv_skb+0x130/0x360
[  661.334431][   T10]      netlink_unicast+0x449/0x710
[  661.334431][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.334431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.334431][   T10]      ___sys_sendmsg+0xee/0x170
[  661.334431][   T10]      __sys_sendmsg+0xcd/0x170
[  661.334431][   T10]      do_syscall_64+0xc6/0x1e0
[  661.334431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.334431][   T10] 
[  661.336217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  661.336217][   T10]      neigh_parms_alloc+0x1e5/0x510
[  661.336217][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  661.336217][   T10]      ipv6_find_idev+0x102/0x170
[  661.336217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  661.336217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  661.336217][   T10]      netlink_rcv_skb+0x130/0x360
[  661.336217][   T10]      netlink_unicast+0x449/0x710
[  661.336217][   T10]      netlink_sendmsg+0x723/0xbe0
[  661.336217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  661.336217][   T10]      ___sys_sendmsg+0xee/0x170
[  661.336217][   T10]      __sys_sendmsg+0xcd/0x170
[  661.336217][   T10]      do_syscall_64+0xc6/0x1e0
[  661.336217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  661.336217][   T10] 
[  666.059042][ T4680] br0: port 1(vx0) entered blocking state
[  666.059317][ T4680] br0: port 1(vx0) entered disabled state
[  666.059501][ T4680] vx0: entered allmulticast mode
[  666.061535][ T4680] vx0: entered promiscuous mode
[  666.063372][ T4680] br0: port 1(vx0) entered blocking state
[  666.063545][ T4680] br0: port 1(vx0) entered forwarding state
[  670.223384][ T4711] veth0: renamed from veth1
[  671.488696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  671.489020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.489020][   T10]      dst_init+0x84/0x4a0
[  671.489020][   T10]      dst_alloc+0x97/0x150
[  671.489020][   T10]      ip6_dst_alloc+0x23/0x90
[  671.489020][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  671.489020][   T10]      ip6_pol_route+0x56f/0x840
[  671.489020][   T10]      fib6_rule_lookup+0x456/0x630
[  671.489020][   T10]      ip6_route_input+0x59c/0xa50
[  671.489020][   T10]      ipv6_rcv+0x397/0x810
[  671.489020][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  671.489020][   T10]      process_backlog+0x101/0x620
[  671.489020][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  671.489020][   T10]      net_rx_action+0x495/0xbe0
[  671.489020][   T10]      __do_softirq+0x1b5/0x7f6
[  671.489020][   T10] 
[  671.490714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.490714][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  671.490714][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  671.490714][   T10]      fib6_nh_init+0xa22/0x1580
[  671.490714][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.490714][   T10]      ip6_route_add+0x1c/0x140
[  671.490714][   T10]      inet6_rtm_newroute+0x104/0x110
[  671.490714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.490714][   T10]      netlink_rcv_skb+0x130/0x360
[  671.490714][   T10]      netlink_unicast+0x449/0x710
[  671.490714][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.490714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.490714][   T10]      ___sys_sendmsg+0xee/0x170
[  671.490714][   T10]      __sys_sendmsg+0xcd/0x170
[  671.490714][   T10]      do_syscall_64+0xc6/0x1e0
[  671.490714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.490714][   T10] 
[  671.492730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.492730][   T10]      netdev_get_by_index+0x5e/0x80
[  671.492730][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.492730][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.492730][   T10]      addrconf_f6i_alloc+0x265/0x560
[  671.492730][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  671.492730][   T10]      addrconf_join_anycast+0x1c0/0x220
[  671.492730][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  671.492730][   T10]      addrconf_dad_completed+0x12b/0xe20
[  671.492730][   T10]      addrconf_dad_begin+0x310/0x670
[  671.492730][   T10]      addrconf_dad_work+0x10b/0xab0
[  671.492730][   T10]      process_one_work+0x84d/0x18a0
[  671.492730][   T10]      worker_thread+0x587/0xd30
[  671.492730][   T10]      kthread+0x28a/0x350
[  671.492730][   T10]      ret_from_fork+0x31/0x70
[  671.492730][   T10]      ret_from_fork_asm+0x1a/0x30
[  671.492730][   T10] 
[  671.494706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.494706][   T10]      netdev_get_by_index+0x5e/0x80
[  671.494706][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.494706][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.494706][   T10]      ip6_route_add+0x1c/0x140
[  671.494706][   T10]      addrconf_prefix_route+0x2a6/0x430
[  671.494706][   T10]      inet6_addr_add+0x4f8/0xa40
[  671.494706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.494706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.494706][   T10]      netlink_rcv_skb+0x130/0x360
[  671.494706][   T10]      netlink_unicast+0x449/0x710
[  671.494706][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.494706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.494706][   T10]      ___sys_sendmsg+0xee/0x170
[  671.494706][   T10]      __sys_sendmsg+0xcd/0x170
[  671.494706][   T10]      do_syscall_64+0xc6/0x1e0
[  671.494706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.494706][   T10] 
[  671.496771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.496771][   T10]      netdev_get_by_index+0x5e/0x80
[  671.496771][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.496771][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.496771][   T10]      addrconf_f6i_alloc+0x315/0x560
[  671.496771][   T10]      ipv6_add_addr+0x411/0x2000
[  671.496771][   T10]      inet6_addr_add+0x30e/0xa40
[  671.496771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.496771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.496771][   T10]      netlink_rcv_skb+0x130/0x360
[  671.496771][   T10]      netlink_unicast+0x449/0x710
[  671.496771][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.496771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.496771][   T10]      ___sys_sendmsg+0xee/0x170
[  671.496771][   T10]      __sys_sendmsg+0xcd/0x170
[  671.496771][   T10]      do_syscall_64+0xc6/0x1e0
[  671.496771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.496771][   T10] 
[  671.498851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.498851][   T10]      netdev_get_by_index+0x5e/0x80
[  671.498851][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.498851][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.498851][   T10]      ip6_route_add+0x1c/0x140
[  671.498851][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  671.498851][   T10]      addrconf_add_dev+0xe2/0x170
[  671.498851][   T10]      inet6_addr_add+0x12f/0xa40
[  671.498851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.498851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.498851][   T10]      netlink_rcv_skb+0x130/0x360
[  671.498851][   T10]      netlink_unicast+0x449/0x710
[  671.498851][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.498851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.498851][   T10]      ___sys_sendmsg+0xee/0x170
[  671.498851][   T10]      __sys_sendmsg+0xcd/0x170
[  671.498851][   T10]      do_syscall_64+0xc6/0x1e0
[  671.498851][   T10] 
[  671.500858][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.500858][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  671.500858][   T10]      ipv6_find_idev+0x102/0x170
[  671.500858][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.500858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.500858][   T10]      netlink_rcv_skb+0x130/0x360
[  671.500858][   T10]      netlink_unicast+0x449/0x710
[  671.500858][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.500858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.500858][   T10]      ___sys_sendmsg+0xee/0x170
[  671.500858][   T10]      __sys_sendmsg+0xcd/0x170
[  671.500858][   T10]      do_syscall_64+0xc6/0x1e0
[  671.500858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.500858][   T10] 
[  671.502715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  671.502715][   T10]      neigh_parms_alloc+0x1e5/0x510
[  671.502715][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  671.502715][   T10]      ipv6_find_idev+0x102/0x170
[  671.502715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.502715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.502715][   T10]      netlink_rcv_skb+0x130/0x360
[  671.502715][   T10]      netlink_unicast+0x449/0x710
[  671.502715][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.502715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.502715][   T10]      ___sys_sendmsg+0xee/0x170
[  671.502715][   T10]      __sys_sendmsg+0xcd/0x170
[  671.502715][   T10]      do_syscall_64+0xc6/0x1e0
[  671.502715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.502715][   T10] 
[  671.504625][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  671.504932][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.504932][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  671.504932][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  671.504932][   T10]      fib6_nh_init+0xa22/0x1580
[  671.504932][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.504932][   T10]      ip6_route_add+0x1c/0x140
[  671.504932][   T10]      inet6_rtm_newroute+0x104/0x110
[  671.504932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.504932][   T10]      netlink_rcv_skb+0x130/0x360
[  671.504932][   T10]      netlink_unicast+0x449/0x710
[  671.504932][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.504932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.504932][   T10]      ___sys_sendmsg+0xee/0x170
[  671.504932][   T10]      __sys_sendmsg+0xcd/0x170
[  671.504932][   T10]      do_syscall_64+0xc6/0x1e0
[  671.504932][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.504932][   T10] 
[  671.507096][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.507096][   T10]      dst_init+0x84/0x4a0
[  671.507096][   T10]      dst_alloc+0x97/0x150
[  671.507096][   T10]      ip6_dst_alloc+0x23/0x90
[  671.507096][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  671.507096][   T10]      ip6_pol_route+0x56f/0x840
[  671.507096][   T10]      fib6_rule_lookup+0x456/0x630
[  671.507096][   T10]      ip6_route_input+0x59c/0xa50
[  671.507096][   T10]      ipv6_rcv+0x397/0x810
[  671.507096][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  671.507096][   T10]      process_backlog+0x101/0x620
[  671.507096][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  671.507096][   T10]      net_rx_action+0x495/0xbe0
[  671.507096][   T10]      __do_softirq+0x1b5/0x7f6
[  671.507096][   T10] 
[  671.508755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.508755][   T10]      netdev_get_by_index+0x5e/0x80
[  671.508755][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.508755][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.508755][   T10]      addrconf_f6i_alloc+0x265/0x560
[  671.508755][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  671.508755][   T10]      addrconf_join_anycast+0x1c0/0x220
[  671.508755][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  671.508755][   T10]      addrconf_dad_completed+0x12b/0xe20
[  671.508755][   T10]      addrconf_dad_begin+0x310/0x670
[  671.508755][   T10]      addrconf_dad_work+0x10b/0xab0
[  671.508755][   T10]      process_one_work+0x84d/0x18a0
[  671.508755][   T10]      worker_thread+0x587/0xd30
[  671.508755][   T10]      kthread+0x28a/0x350
[  671.508755][   T10]      ret_from_fork+0x31/0x70
[  671.508755][   T10]      ret_from_fork_asm+0x1a/0x30
[  671.508755][   T10] 
[  671.510901][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.510901][   T10]      netdev_get_by_index+0x5e/0x80
[  671.510901][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.510901][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.510901][   T10]      ip6_route_add+0x1c/0x140
[  671.510901][   T10]      addrconf_prefix_route+0x2a6/0x430
[  671.510901][   T10]      inet6_addr_add+0x4f8/0xa40
[  671.510901][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.510901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.510901][   T10]      netlink_rcv_skb+0x130/0x360
[  671.510901][   T10]      netlink_unicast+0x449/0x710
[  671.510901][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.510901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.510901][   T10]      ___sys_sendmsg+0xee/0x170
[  671.510901][   T10]      __sys_sendmsg+0xcd/0x170
[  671.510901][   T10]      do_syscall_64+0xc6/0x1e0
[  671.510901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.510901][   T10] 
[  671.513008][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.513008][   T10]      netdev_get_by_index+0x5e/0x80
[  671.513008][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.513008][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.513008][   T10]      addrconf_f6i_alloc+0x315/0x560
[  671.513008][   T10]      ipv6_add_addr+0x411/0x2000
[  671.513008][   T10]      inet6_addr_add+0x30e/0xa40
[  671.513008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.513008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.513008][   T10]      netlink_rcv_skb+0x130/0x360
[  671.513008][   T10]      netlink_unicast+0x449/0x710
[  671.513008][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.513008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.513008][   T10]      ___sys_sendmsg+0xee/0x170
[  671.513008][   T10]      __sys_sendmsg+0xcd/0x170
[  671.513008][   T10]      do_syscall_64+0xc6/0x1e0
[  671.513008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.513008][   T10] 
[  671.515288][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.515288][   T10]      netdev_get_by_index+0x5e/0x80
[  671.515288][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.515288][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.515288][   T10]      ip6_route_add+0x1c/0x140
[  671.515288][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  671.515288][   T10]      addrconf_add_dev+0xe2/0x170
[  671.515288][   T10]      inet6_addr_add+0x12f/0xa40
[  671.515288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.515288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.515288][   T10]      netlink_rcv_skb+0x130/0x360
[  671.515288][   T10]      netlink_unicast+0x449/0x710
[  671.515288][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.515288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.515288][   T10]      ___sys_sendmsg+0xee/0x170
[  671.515288][   T10]      __sys_sendmsg+0xcd/0x170
[  671.515288][   T10]      do_syscall_64+0xc6/0x1e0
[  671.515288][   T10] 
[  671.517424][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.517424][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  671.517424][   T10]      ipv6_find_idev+0x102/0x170
[  671.517424][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.517424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.517424][   T10]      netlink_rcv_skb+0x130/0x360
[  671.517424][   T10]      netlink_unicast+0x449/0x710
[  671.517424][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.517424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.517424][   T10]      ___sys_sendmsg+0xee/0x170
[  671.517424][   T10]      __sys_sendmsg+0xcd/0x170
[  671.517424][   T10]      do_syscall_64+0xc6/0x1e0
[  671.517424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.517424][   T10] 
[  671.519266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  671.519266][   T10]      neigh_parms_alloc+0x1e5/0x510
[  671.519266][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  671.519266][   T10]      ipv6_find_idev+0x102/0x170
[  671.519266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.519266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.519266][   T10]      netlink_rcv_skb+0x130/0x360
[  671.519266][   T10]      netlink_unicast+0x449/0x710
[  671.519266][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.519266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.519266][   T10]      ___sys_sendmsg+0xee/0x170
[  671.519266][   T10]      __sys_sendmsg+0xcd/0x170
[  671.519266][   T10]      do_syscall_64+0xc6/0x1e0
[  671.519266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.519266][   T10] 
[  671.521192][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  671.521447][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  671.521447][   T10]      netdev_get_by_index+0x5e/0x80
[  671.521447][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.521447][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.521447][   T10]      ip6_route_add+0x1c/0x140
[  671.521447][   T10]      addrconf_prefix_route+0x2a6/0x430
[  671.521447][   T10]      inet6_addr_add+0x4f8/0xa40
[  671.521447][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.521447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.521447][   T10]      netlink_rcv_skb+0x130/0x360
[  671.521447][   T10]      netlink_unicast+0x449/0x710
[  671.521447][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.521447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.521447][   T10]      ___sys_sendmsg+0xee/0x170
[  671.521447][   T10]      __sys_sendmsg+0xcd/0x170
[  671.521447][   T10]      do_syscall_64+0xc6/0x1e0
[  671.521447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.521447][   T10] 
[  671.523697][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  671.523697][   T10]      netdev_get_by_index+0x5e/0x80
[  671.523697][   T10]      fib6_nh_init+0x3d8/0x1580
[  671.523697][   T10]      ip6_route_info_create+0xf18/0x17d0
[  671.523697][   T10]      addrconf_f6i_alloc+0x315/0x560
[  671.523697][   T10]      ipv6_add_addr+0x411/0x2000
[  671.523697][   T10]      inet6_addr_add+0x30e/0xa40
[  671.523697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  671.523697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.523697][   T10]      netlink_rcv_skb+0x130/0x360
[  671.523697][   T10]      netlink_unicast+0x449/0x710
[  671.523697][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.523697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.523697][   T10]      ___sys_sendmsg+0xee/0x170
[  671.523697][   T10]      __sys_sendmsg+0xcd/0x170
[  671.523697][   T10]      do_syscall_64+0xc6/0x1e0
[  671.523697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.523697][   T10] 
[  671.525973][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  671.525973][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  671.525973][   T10]      ipv6_find_idev+0x102/0x170
[  671.525973][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.525973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.525973][   T10]      netlink_rcv_skb+0x130/0x360
[  671.525973][   T10]      netlink_unicast+0x449/0x710
[  671.525973][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.525973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.525973][   T10]      ___sys_sendmsg+0xee/0x170
[  671.525973][   T10]      __sys_sendmsg+0xcd/0x170
[  671.525973][   T10]      do_syscall_64+0xc6/0x1e0
[  671.525973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.525973][   T10] 
[  671.527652][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  671.527652][   T10]      neigh_parms_alloc+0x1e5/0x510
[  671.527652][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  671.527652][   T10]      ipv6_find_idev+0x102/0x170
[  671.527652][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  671.527652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  671.527652][   T10]      netlink_rcv_skb+0x130/0x360
[  671.527652][   T10]      netlink_unicast+0x449/0x710
[  671.527652][   T10]      netlink_sendmsg+0x723/0xbe0
[  671.527652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  671.527652][   T10]      ___sys_sendmsg+0xee/0x170
[  671.527652][   T10]      __sys_sendmsg+0xcd/0x170
[  671.527652][   T10]      do_syscall_64+0xc6/0x1e0
[  671.527652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  671.527652][   T10] 
[  674.261021][ T4738] br0: port 1(vx0) entered blocking state
[  674.261277][ T4738] br0: port 1(vx0) entered disabled state
[  674.261450][ T4738] vx0: entered allmulticast mode
[  674.263495][ T4738] vx0: entered promiscuous mode
[  674.272418][ T4738] br0: port 1(vx0) entered blocking state
[  674.272600][ T4738] br0: port 1(vx0) entered forwarding state
[  679.910873][ T4768] br0: port 1(vx0) entered blocking state
[  679.911170][ T4768] br0: port 1(vx0) entered disabled state
[  679.911353][ T4768] vx0: entered allmulticast mode
[  679.912558][ T4768] vx0: entered promiscuous mode
[  679.914421][ T4768] br0: port 1(vx0) entered blocking state
[  679.914608][ T4768] br0: port 1(vx0) entered forwarding state
[  681.672695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  681.673042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.673042][   T10]      dst_init+0x84/0x4a0
[  681.673042][   T10]      dst_alloc+0x97/0x150
[  681.673042][   T10]      ip6_dst_alloc+0x23/0x90
[  681.673042][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  681.673042][   T10]      ip6_pol_route+0x56f/0x840
[  681.673042][   T10]      fib6_rule_lookup+0x456/0x630
[  681.673042][   T10]      ip6_route_input+0x59c/0xa50
[  681.673042][   T10]      ipv6_rcv+0x397/0x810
[  681.673042][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  681.673042][   T10]      process_backlog+0x101/0x620
[  681.673042][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  681.673042][   T10]      net_rx_action+0x495/0xbe0
[  681.673042][   T10]      __do_softirq+0x1b5/0x7f6
[  681.673042][   T10] 
[  681.674810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.674810][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  681.674810][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  681.674810][   T10]      fib6_nh_init+0xa22/0x1580
[  681.674810][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.674810][   T10]      ip6_route_add+0x1c/0x140
[  681.674810][   T10]      inet6_rtm_newroute+0x104/0x110
[  681.674810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.674810][   T10]      netlink_rcv_skb+0x130/0x360
[  681.674810][   T10]      netlink_unicast+0x449/0x710
[  681.674810][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.674810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.674810][   T10]      ___sys_sendmsg+0xee/0x170
[  681.674810][   T10]      __sys_sendmsg+0xcd/0x170
[  681.674810][   T10]      do_syscall_64+0xc6/0x1e0
[  681.674810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.674810][   T10] 
[  681.676770][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.676770][   T10]      netdev_get_by_index+0x5e/0x80
[  681.676770][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.676770][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.676770][   T10]      addrconf_f6i_alloc+0x265/0x560
[  681.676770][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  681.676770][   T10]      addrconf_join_anycast+0x1c0/0x220
[  681.676770][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  681.676770][   T10]      addrconf_dad_completed+0x12b/0xe20
[  681.676770][   T10]      addrconf_dad_begin+0x310/0x670
[  681.676770][   T10]      addrconf_dad_work+0x10b/0xab0
[  681.676770][   T10]      process_one_work+0x84d/0x18a0
[  681.676770][   T10]      worker_thread+0x587/0xd30
[  681.676770][   T10]      kthread+0x28a/0x350
[  681.676770][   T10]      ret_from_fork+0x31/0x70
[  681.676770][   T10]      ret_from_fork_asm+0x1a/0x30
[  681.676770][   T10] 
[  681.678754][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.678754][   T10]      netdev_get_by_index+0x5e/0x80
[  681.678754][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.678754][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.678754][   T10]      ip6_route_add+0x1c/0x140
[  681.678754][   T10]      addrconf_prefix_route+0x2a6/0x430
[  681.678754][   T10]      inet6_addr_add+0x4f8/0xa40
[  681.678754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.678754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.678754][   T10]      netlink_rcv_skb+0x130/0x360
[  681.678754][   T10]      netlink_unicast+0x449/0x710
[  681.678754][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.678754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.678754][   T10]      ___sys_sendmsg+0xee/0x170
[  681.678754][   T10]      __sys_sendmsg+0xcd/0x170
[  681.678754][   T10]      do_syscall_64+0xc6/0x1e0
[  681.678754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.678754][   T10] 
[  681.680814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.680814][   T10]      netdev_get_by_index+0x5e/0x80
[  681.680814][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.680814][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.680814][   T10]      addrconf_f6i_alloc+0x315/0x560
[  681.680814][   T10]      ipv6_add_addr+0x411/0x2000
[  681.680814][   T10]      inet6_addr_add+0x30e/0xa40
[  681.680814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.680814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.680814][   T10]      netlink_rcv_skb+0x130/0x360
[  681.680814][   T10]      netlink_unicast+0x449/0x710
[  681.680814][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.680814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.680814][   T10]      ___sys_sendmsg+0xee/0x170
[  681.680814][   T10]      __sys_sendmsg+0xcd/0x170
[  681.680814][   T10]      do_syscall_64+0xc6/0x1e0
[  681.680814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.680814][   T10] 
[  681.682878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.682878][   T10]      netdev_get_by_index+0x5e/0x80
[  681.682878][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.682878][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.682878][   T10]      ip6_route_add+0x1c/0x140
[  681.682878][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  681.682878][   T10]      addrconf_add_dev+0xe2/0x170
[  681.682878][   T10]      inet6_addr_add+0x12f/0xa40
[  681.682878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.682878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.682878][   T10]      netlink_rcv_skb+0x130/0x360
[  681.682878][   T10]      netlink_unicast+0x449/0x710
[  681.682878][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.682878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.682878][   T10]      ___sys_sendmsg+0xee/0x170
[  681.682878][   T10]      __sys_sendmsg+0xcd/0x170
[  681.682878][   T10]      do_syscall_64+0xc6/0x1e0
[  681.682878][   T10] 
[  681.684934][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.684934][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  681.684934][   T10]      ipv6_find_idev+0x102/0x170
[  681.684934][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.684934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.684934][   T10]      netlink_rcv_skb+0x130/0x360
[  681.684934][   T10]      netlink_unicast+0x449/0x710
[  681.684934][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.684934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.684934][   T10]      ___sys_sendmsg+0xee/0x170
[  681.684934][   T10]      __sys_sendmsg+0xcd/0x170
[  681.684934][   T10]      do_syscall_64+0xc6/0x1e0
[  681.684934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.684934][   T10] 
[  681.686539][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  681.686539][   T10]      neigh_parms_alloc+0x1e5/0x510
[  681.686539][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  681.686539][   T10]      ipv6_find_idev+0x102/0x170
[  681.686539][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.686539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.686539][   T10]      netlink_rcv_skb+0x130/0x360
[  681.686539][   T10]      netlink_unicast+0x449/0x710
[  681.686539][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.686539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.686539][   T10]      ___sys_sendmsg+0xee/0x170
[  681.686539][   T10]      __sys_sendmsg+0xcd/0x170
[  681.686539][   T10]      do_syscall_64+0xc6/0x1e0
[  681.686539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.686539][   T10] 
[  681.688299][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  681.688550][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.688550][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  681.688550][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  681.688550][   T10]      fib6_nh_init+0xa22/0x1580
[  681.688550][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.688550][   T10]      ip6_route_add+0x1c/0x140
[  681.688550][   T10]      inet6_rtm_newroute+0x104/0x110
[  681.688550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.688550][   T10]      netlink_rcv_skb+0x130/0x360
[  681.688550][   T10]      netlink_unicast+0x449/0x710
[  681.688550][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.688550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.688550][   T10]      ___sys_sendmsg+0xee/0x170
[  681.688550][   T10]      __sys_sendmsg+0xcd/0x170
[  681.688550][   T10]      do_syscall_64+0xc6/0x1e0
[  681.688550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.688550][   T10] 
[  681.690633][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.690633][   T10]      dst_init+0x84/0x4a0
[  681.690633][   T10]      dst_alloc+0x97/0x150
[  681.690633][   T10]      ip6_dst_alloc+0x23/0x90
[  681.690633][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  681.690633][   T10]      ip6_pol_route+0x56f/0x840
[  681.690633][   T10]      fib6_rule_lookup+0x456/0x630
[  681.690633][   T10]      ip6_route_input+0x59c/0xa50
[  681.690633][   T10]      ipv6_rcv+0x397/0x810
[  681.690633][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  681.690633][   T10]      process_backlog+0x101/0x620
[  681.690633][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  681.690633][   T10]      net_rx_action+0x495/0xbe0
[  681.690633][   T10]      __do_softirq+0x1b5/0x7f6
[  681.690633][   T10] 
[  681.692410][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.692410][   T10]      netdev_get_by_index+0x5e/0x80
[  681.692410][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.692410][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.692410][   T10]      addrconf_f6i_alloc+0x265/0x560
[  681.692410][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  681.692410][   T10]      addrconf_join_anycast+0x1c0/0x220
[  681.692410][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  681.692410][   T10]      addrconf_dad_completed+0x12b/0xe20
[  681.692410][   T10]      addrconf_dad_begin+0x310/0x670
[  681.692410][   T10]      addrconf_dad_work+0x10b/0xab0
[  681.692410][   T10]      process_one_work+0x84d/0x18a0
[  681.692410][   T10]      worker_thread+0x587/0xd30
[  681.692410][   T10]      kthread+0x28a/0x350
[  681.692410][   T10]      ret_from_fork+0x31/0x70
[  681.692410][   T10]      ret_from_fork_asm+0x1a/0x30
[  681.692410][   T10] 
[  681.694505][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.694505][   T10]      netdev_get_by_index+0x5e/0x80
[  681.694505][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.694505][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.694505][   T10]      ip6_route_add+0x1c/0x140
[  681.694505][   T10]      addrconf_prefix_route+0x2a6/0x430
[  681.694505][   T10]      inet6_addr_add+0x4f8/0xa40
[  681.694505][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.694505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.694505][   T10]      netlink_rcv_skb+0x130/0x360
[  681.694505][   T10]      netlink_unicast+0x449/0x710
[  681.694505][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.694505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.694505][   T10]      ___sys_sendmsg+0xee/0x170
[  681.694505][   T10]      __sys_sendmsg+0xcd/0x170
[  681.694505][   T10]      do_syscall_64+0xc6/0x1e0
[  681.694505][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.694505][   T10] 
[  681.696768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.696768][   T10]      netdev_get_by_index+0x5e/0x80
[  681.696768][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.696768][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.696768][   T10]      addrconf_f6i_alloc+0x315/0x560
[  681.696768][   T10]      ipv6_add_addr+0x411/0x2000
[  681.696768][   T10]      inet6_addr_add+0x30e/0xa40
[  681.696768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.696768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.696768][   T10]      netlink_rcv_skb+0x130/0x360
[  681.696768][   T10]      netlink_unicast+0x449/0x710
[  681.696768][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.696768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.696768][   T10]      ___sys_sendmsg+0xee/0x170
[  681.696768][   T10]      __sys_sendmsg+0xcd/0x170
[  681.696768][   T10]      do_syscall_64+0xc6/0x1e0
[  681.696768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.696768][   T10] 
[  681.699028][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.699028][   T10]      netdev_get_by_index+0x5e/0x80
[  681.699028][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.699028][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.699028][   T10]      ip6_route_add+0x1c/0x140
[  681.699028][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  681.699028][   T10]      addrconf_add_dev+0xe2/0x170
[  681.699028][   T10]      inet6_addr_add+0x12f/0xa40
[  681.699028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.699028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.699028][   T10]      netlink_rcv_skb+0x130/0x360
[  681.699028][   T10]      netlink_unicast+0x449/0x710
[  681.699028][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.699028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.699028][   T10]      ___sys_sendmsg+0xee/0x170
[  681.699028][   T10]      __sys_sendmsg+0xcd/0x170
[  681.699028][   T10]      do_syscall_64+0xc6/0x1e0
[  681.699028][   T10] 
[  681.701290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.701290][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  681.701290][   T10]      ipv6_find_idev+0x102/0x170
[  681.701290][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.701290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.701290][   T10]      netlink_rcv_skb+0x130/0x360
[  681.701290][   T10]      netlink_unicast+0x449/0x710
[  681.701290][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.701290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.701290][   T10]      ___sys_sendmsg+0xee/0x170
[  681.701290][   T10]      __sys_sendmsg+0xcd/0x170
[  681.701290][   T10]      do_syscall_64+0xc6/0x1e0
[  681.701290][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.701290][   T10] 
[  681.703114][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  681.703114][   T10]      neigh_parms_alloc+0x1e5/0x510
[  681.703114][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  681.703114][   T10]      ipv6_find_idev+0x102/0x170
[  681.703114][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.703114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.703114][   T10]      netlink_rcv_skb+0x130/0x360
[  681.703114][   T10]      netlink_unicast+0x449/0x710
[  681.703114][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.703114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.703114][   T10]      ___sys_sendmsg+0xee/0x170
[  681.703114][   T10]      __sys_sendmsg+0xcd/0x170
[  681.703114][   T10]      do_syscall_64+0xc6/0x1e0
[  681.703114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.703114][   T10] 
[  681.705065][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  681.705328][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  681.705328][   T10]      netdev_get_by_index+0x5e/0x80
[  681.705328][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.705328][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.705328][   T10]      ip6_route_add+0x1c/0x140
[  681.705328][   T10]      addrconf_prefix_route+0x2a6/0x430
[  681.705328][   T10]      inet6_addr_add+0x4f8/0xa40
[  681.705328][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.705328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.705328][   T10]      netlink_rcv_skb+0x130/0x360
[  681.705328][   T10]      netlink_unicast+0x449/0x710
[  681.705328][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.705328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.705328][   T10]      ___sys_sendmsg+0xee/0x170
[  681.705328][   T10]      __sys_sendmsg+0xcd/0x170
[  681.705328][   T10]      do_syscall_64+0xc6/0x1e0
[  681.705328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.705328][   T10] 
[  681.707540][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  681.707540][   T10]      netdev_get_by_index+0x5e/0x80
[  681.707540][   T10]      fib6_nh_init+0x3d8/0x1580
[  681.707540][   T10]      ip6_route_info_create+0xf18/0x17d0
[  681.707540][   T10]      addrconf_f6i_alloc+0x315/0x560
[  681.707540][   T10]      ipv6_add_addr+0x411/0x2000
[  681.707540][   T10]      inet6_addr_add+0x30e/0xa40
[  681.707540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  681.707540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.707540][   T10]      netlink_rcv_skb+0x130/0x360
[  681.707540][   T10]      netlink_unicast+0x449/0x710
[  681.707540][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.707540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.707540][   T10]      ___sys_sendmsg+0xee/0x170
[  681.707540][   T10]      __sys_sendmsg+0xcd/0x170
[  681.707540][   T10]      do_syscall_64+0xc6/0x1e0
[  681.707540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.707540][   T10] 
[  681.709860][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  681.709860][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  681.709860][   T10]      ipv6_find_idev+0x102/0x170
[  681.709860][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.709860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.709860][   T10]      netlink_rcv_skb+0x130/0x360
[  681.709860][   T10]      netlink_unicast+0x449/0x710
[  681.709860][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.709860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.709860][   T10]      ___sys_sendmsg+0xee/0x170
[  681.709860][   T10]      __sys_sendmsg+0xcd/0x170
[  681.709860][   T10]      do_syscall_64+0xc6/0x1e0
[  681.709860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.709860][   T10] 
[  681.711735][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  681.711735][   T10]      neigh_parms_alloc+0x1e5/0x510
[  681.711735][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  681.711735][   T10]      ipv6_find_idev+0x102/0x170
[  681.711735][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  681.711735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  681.711735][   T10]      netlink_rcv_skb+0x130/0x360
[  681.711735][   T10]      netlink_unicast+0x449/0x710
[  681.711735][   T10]      netlink_sendmsg+0x723/0xbe0
[  681.711735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  681.711735][   T10]      ___sys_sendmsg+0xee/0x170
[  681.711735][   T10]      __sys_sendmsg+0xcd/0x170
[  681.711735][   T10]      do_syscall_64+0xc6/0x1e0
[  681.711735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  681.711735][   T10] 
[  691.784622][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  691.784964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.784964][   T10]      dst_init+0x84/0x4a0
[  691.784964][   T10]      dst_alloc+0x97/0x150
[  691.784964][   T10]      ip6_dst_alloc+0x23/0x90
[  691.784964][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  691.784964][   T10]      ip6_pol_route+0x56f/0x840
[  691.784964][   T10]      fib6_rule_lookup+0x456/0x630
[  691.784964][   T10]      ip6_route_input+0x59c/0xa50
[  691.784964][   T10]      ipv6_rcv+0x397/0x810
[  691.784964][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  691.784964][   T10]      process_backlog+0x101/0x620
[  691.784964][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  691.784964][   T10]      net_rx_action+0x495/0xbe0
[  691.784964][   T10]      __do_softirq+0x1b5/0x7f6
[  691.784964][   T10] 
[  691.786710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.786710][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  691.786710][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  691.786710][   T10]      fib6_nh_init+0xa22/0x1580
[  691.786710][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.786710][   T10]      ip6_route_add+0x1c/0x140
[  691.786710][   T10]      inet6_rtm_newroute+0x104/0x110
[  691.786710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.786710][   T10]      netlink_rcv_skb+0x130/0x360
[  691.786710][   T10]      netlink_unicast+0x449/0x710
[  691.786710][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.786710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.786710][   T10]      ___sys_sendmsg+0xee/0x170
[  691.786710][   T10]      __sys_sendmsg+0xcd/0x170
[  691.786710][   T10]      do_syscall_64+0xc6/0x1e0
[  691.786710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.786710][   T10] 
[  691.788682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.788682][   T10]      netdev_get_by_index+0x5e/0x80
[  691.788682][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.788682][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.788682][   T10]      addrconf_f6i_alloc+0x265/0x560
[  691.788682][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  691.788682][   T10]      addrconf_join_anycast+0x1c0/0x220
[  691.788682][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  691.788682][   T10]      addrconf_dad_completed+0x12b/0xe20
[  691.788682][   T10]      addrconf_dad_begin+0x310/0x670
[  691.788682][   T10]      addrconf_dad_work+0x10b/0xab0
[  691.788682][   T10]      process_one_work+0x84d/0x18a0
[  691.788682][   T10]      worker_thread+0x587/0xd30
[  691.788682][   T10]      kthread+0x28a/0x350
[  691.788682][   T10]      ret_from_fork+0x31/0x70
[  691.788682][   T10]      ret_from_fork_asm+0x1a/0x30
[  691.788682][   T10] 
[  691.790693][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.790693][   T10]      netdev_get_by_index+0x5e/0x80
[  691.790693][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.790693][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.790693][   T10]      ip6_route_add+0x1c/0x140
[  691.790693][   T10]      addrconf_prefix_route+0x2a6/0x430
[  691.790693][   T10]      inet6_addr_add+0x4f8/0xa40
[  691.790693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.790693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.790693][   T10]      netlink_rcv_skb+0x130/0x360
[  691.790693][   T10]      netlink_unicast+0x449/0x710
[  691.790693][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.790693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.790693][   T10]      ___sys_sendmsg+0xee/0x170
[  691.790693][   T10]      __sys_sendmsg+0xcd/0x170
[  691.790693][   T10]      do_syscall_64+0xc6/0x1e0
[  691.790693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.790693][   T10] 
[  691.792777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.792777][   T10]      netdev_get_by_index+0x5e/0x80
[  691.792777][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.792777][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.792777][   T10]      addrconf_f6i_alloc+0x315/0x560
[  691.792777][   T10]      ipv6_add_addr+0x411/0x2000
[  691.792777][   T10]      inet6_addr_add+0x30e/0xa40
[  691.792777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.792777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.792777][   T10]      netlink_rcv_skb+0x130/0x360
[  691.792777][   T10]      netlink_unicast+0x449/0x710
[  691.792777][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.792777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.792777][   T10]      ___sys_sendmsg+0xee/0x170
[  691.792777][   T10]      __sys_sendmsg+0xcd/0x170
[  691.792777][   T10]      do_syscall_64+0xc6/0x1e0
[  691.792777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.792777][   T10] 
[  691.794987][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.794987][   T10]      netdev_get_by_index+0x5e/0x80
[  691.794987][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.794987][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.794987][   T10]      ip6_route_add+0x1c/0x140
[  691.794987][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  691.794987][   T10]      addrconf_add_dev+0xe2/0x170
[  691.794987][   T10]      inet6_addr_add+0x12f/0xa40
[  691.794987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.794987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.794987][   T10]      netlink_rcv_skb+0x130/0x360
[  691.794987][   T10]      netlink_unicast+0x449/0x710
[  691.794987][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.794987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.794987][   T10]      ___sys_sendmsg+0xee/0x170
[  691.794987][   T10]      __sys_sendmsg+0xcd/0x170
[  691.794987][   T10]      do_syscall_64+0xc6/0x1e0
[  691.794987][   T10] 
[  691.797198][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.797198][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  691.797198][   T10]      ipv6_find_idev+0x102/0x170
[  691.797198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  691.797198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.797198][   T10]      netlink_rcv_skb+0x130/0x360
[  691.797198][   T10]      netlink_unicast+0x449/0x710
[  691.797198][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.797198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.797198][   T10]      ___sys_sendmsg+0xee/0x170
[  691.797198][   T10]      __sys_sendmsg+0xcd/0x170
[  691.797198][   T10]      do_syscall_64+0xc6/0x1e0
[  691.797198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.797198][   T10] 
[  691.799171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  691.799171][   T10]      neigh_parms_alloc+0x1e5/0x510
[  691.799171][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  691.799171][   T10]      ipv6_find_idev+0x102/0x170
[  691.799171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  691.799171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.799171][   T10]      netlink_rcv_skb+0x130/0x360
[  691.799171][   T10]      netlink_unicast+0x449/0x710
[  691.799171][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.799171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.799171][   T10]      ___sys_sendmsg+0xee/0x170
[  691.799171][   T10]      __sys_sendmsg+0xcd/0x170
[  691.799171][   T10]      do_syscall_64+0xc6/0x1e0
[  691.799171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.799171][   T10] 
[  691.801201][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  691.801452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.801452][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  691.801452][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  691.801452][   T10]      fib6_nh_init+0xa22/0x1580
[  691.801452][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.801452][   T10]      ip6_route_add+0x1c/0x140
[  691.801452][   T10]      inet6_rtm_newroute+0x104/0x110
[  691.801452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.801452][   T10]      netlink_rcv_skb+0x130/0x360
[  691.801452][   T10]      netlink_unicast+0x449/0x710
[  691.801452][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.801452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.801452][   T10]      ___sys_sendmsg+0xee/0x170
[  691.801452][   T10]      __sys_sendmsg+0xcd/0x170
[  691.801452][   T10]      do_syscall_64+0xc6/0x1e0
[  691.801452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.801452][   T10] 
[  691.803465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.803465][   T10]      dst_init+0x84/0x4a0
[  691.803465][   T10]      dst_alloc+0x97/0x150
[  691.803465][   T10]      ip6_dst_alloc+0x23/0x90
[  691.803465][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  691.803465][   T10]      ip6_pol_route+0x56f/0x840
[  691.803465][   T10]      fib6_rule_lookup+0x456/0x630
[  691.803465][   T10]      ip6_route_input+0x59c/0xa50
[  691.803465][   T10]      ipv6_rcv+0x397/0x810
[  691.803465][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  691.803465][   T10]      process_backlog+0x101/0x620
[  691.803465][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  691.803465][   T10]      net_rx_action+0x495/0xbe0
[  691.803465][   T10]      __do_softirq+0x1b5/0x7f6
[  691.803465][   T10] 
[  691.805217][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.805217][   T10]      netdev_get_by_index+0x5e/0x80
[  691.805217][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.805217][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.805217][   T10]      addrconf_f6i_alloc+0x265/0x560
[  691.805217][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  691.805217][   T10]      addrconf_join_anycast+0x1c0/0x220
[  691.805217][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  691.805217][   T10]      addrconf_dad_completed+0x12b/0xe20
[  691.805217][   T10]      addrconf_dad_begin+0x310/0x670
[  691.805217][   T10]      addrconf_dad_work+0x10b/0xab0
[  691.805217][   T10]      process_one_work+0x84d/0x18a0
[  691.805217][   T10]      worker_thread+0x587/0xd30
[  691.805217][   T10]      kthread+0x28a/0x350
[  691.805217][   T10]      ret_from_fork+0x31/0x70
[  691.805217][   T10]      ret_from_fork_asm+0x1a/0x30
[  691.805217][   T10] 
[  691.807336][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.807336][   T10]      netdev_get_by_index+0x5e/0x80
[  691.807336][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.807336][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.807336][   T10]      ip6_route_add+0x1c/0x140
[  691.807336][   T10]      addrconf_prefix_route+0x2a6/0x430
[  691.807336][   T10]      inet6_addr_add+0x4f8/0xa40
[  691.807336][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.807336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.807336][   T10]      netlink_rcv_skb+0x130/0x360
[  691.807336][   T10]      netlink_unicast+0x449/0x710
[  691.807336][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.807336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.807336][   T10]      ___sys_sendmsg+0xee/0x170
[  691.807336][   T10]      __sys_sendmsg+0xcd/0x170
[  691.807336][   T10]      do_syscall_64+0xc6/0x1e0
[  691.807336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.807336][   T10] 
[  691.809618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.809618][   T10]      netdev_get_by_index+0x5e/0x80
[  691.809618][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.809618][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.809618][   T10]      addrconf_f6i_alloc+0x315/0x560
[  691.809618][   T10]      ipv6_add_addr+0x411/0x2000
[  691.809618][   T10]      inet6_addr_add+0x30e/0xa40
[  691.809618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.809618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.809618][   T10]      netlink_rcv_skb+0x130/0x360
[  691.809618][   T10]      netlink_unicast+0x449/0x710
[  691.809618][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.809618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.809618][   T10]      ___sys_sendmsg+0xee/0x170
[  691.809618][   T10]      __sys_sendmsg+0xcd/0x170
[  691.809618][   T10]      do_syscall_64+0xc6/0x1e0
[  691.809618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.809618][   T10] 
[  691.811899][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.811899][   T10]      netdev_get_by_index+0x5e/0x80
[  691.811899][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.811899][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.811899][   T10]      ip6_route_add+0x1c/0x140
[  691.811899][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  691.811899][   T10]      addrconf_add_dev+0xe2/0x170
[  691.811899][   T10]      inet6_addr_add+0x12f/0xa40
[  691.811899][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.811899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.811899][   T10]      netlink_rcv_skb+0x130/0x360
[  691.811899][   T10]      netlink_unicast+0x449/0x710
[  691.811899][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.811899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.811899][   T10]      ___sys_sendmsg+0xee/0x170
[  691.811899][   T10]      __sys_sendmsg+0xcd/0x170
[  691.811899][   T10]      do_syscall_64+0xc6/0x1e0
[  691.811899][   T10] 
[  691.814210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.814210][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  691.814210][   T10]      ipv6_find_idev+0x102/0x170
[  691.814210][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  691.814210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.814210][   T10]      netlink_rcv_skb+0x130/0x360
[  691.814210][   T10]      netlink_unicast+0x449/0x710
[  691.814210][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.814210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.814210][   T10]      ___sys_sendmsg+0xee/0x170
[  691.814210][   T10]      __sys_sendmsg+0xcd/0x170
[  691.814210][   T10]      do_syscall_64+0xc6/0x1e0
[  691.814210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.814210][   T10] 
[  691.816019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  691.816019][   T10]      neigh_parms_alloc+0x1e5/0x510
[  691.816019][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  691.816019][   T10]      ipv6_find_idev+0x102/0x170
[  691.816019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  691.816019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.816019][   T10]      netlink_rcv_skb+0x130/0x360
[  691.816019][   T10]      netlink_unicast+0x449/0x710
[  691.816019][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.816019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.816019][   T10]      ___sys_sendmsg+0xee/0x170
[  691.816019][   T10]      __sys_sendmsg+0xcd/0x170
[  691.816019][   T10]      do_syscall_64+0xc6/0x1e0
[  691.816019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.816019][   T10] 
[  691.817851][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  691.818104][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  691.818104][   T10]      netdev_get_by_index+0x5e/0x80
[  691.818104][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.818104][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.818104][   T10]      ip6_route_add+0x1c/0x140
[  691.818104][   T10]      addrconf_prefix_route+0x2a6/0x430
[  691.818104][   T10]      inet6_addr_add+0x4f8/0xa40
[  691.818104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.818104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.818104][   T10]      netlink_rcv_skb+0x130/0x360
[  691.818104][   T10]      netlink_unicast+0x449/0x710
[  691.818104][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.818104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.818104][   T10]      ___sys_sendmsg+0xee/0x170
[  691.818104][   T10]      __sys_sendmsg+0xcd/0x170
[  691.818104][   T10]      do_syscall_64+0xc6/0x1e0
[  691.818104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.818104][   T10] 
[  691.820211][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  691.820211][   T10]      netdev_get_by_index+0x5e/0x80
[  691.820211][   T10]      fib6_nh_init+0x3d8/0x1580
[  691.820211][   T10]      ip6_route_info_create+0xf18/0x17d0
[  691.820211][   T10]      addrconf_f6i_alloc+0x315/0x560
[  691.820211][   T10]      ipv6_add_addr+0x411/0x2000
[  691.820211][   T10]      inet6_addr_add+0x30e/0xa40
[  691.820211][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  691.820211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.820211][   T10]      netlink_rcv_skb+0x130/0x360
[  691.820211][   T10]      netlink_unicast+0x449/0x710
[  691.820211][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.820211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.820211][   T10]      ___sys_sendmsg+0xee/0x170
[  691.820211][   T10]      __sys_sendmsg+0xcd/0x170
[  691.820211][   T10]      do_syscall_64+0xc6/0x1e0
[  691.820211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.820211][   T10] 
[  691.822266][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  691.822266][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  691.822266][   T10]      ipv6_find_idev+0x102/0x170
[  691.822266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  691.822266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.822266][   T10]      netlink_rcv_skb+0x130/0x360
[  691.822266][   T10]      netlink_unicast+0x449/0x710
[  691.822266][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.822266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.822266][   T10]      ___sys_sendmsg+0xee/0x170
[  691.822266][   T10]      __sys_sendmsg+0xcd/0x170
[  691.822266][   T10]      do_syscall_64+0xc6/0x1e0
[  691.822266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.822266][   T10] 
[  691.824121][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  691.824121][   T10]      neigh_parms_alloc+0x1e5/0x510
[  691.824121][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  691.824121][   T10]      ipv6_find_idev+0x102/0x170
[  691.824121][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  691.824121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  691.824121][   T10]      netlink_rcv_skb+0x130/0x360
[  691.824121][   T10]      netlink_unicast+0x449/0x710
[  691.824121][   T10]      netlink_sendmsg+0x723/0xbe0
[  691.824121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  691.824121][   T10]      ___sys_sendmsg+0xee/0x170
[  691.824121][   T10]      __sys_sendmsg+0xcd/0x170
[  691.824121][   T10]      do_syscall_64+0xc6/0x1e0
[  691.824121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  691.824121][   T10] 
[  701.960689][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  701.961101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.961101][   T10]      dst_init+0x84/0x4a0
[  701.961101][   T10]      dst_alloc+0x97/0x150
[  701.961101][   T10]      ip6_dst_alloc+0x23/0x90
[  701.961101][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  701.961101][   T10]      ip6_pol_route+0x56f/0x840
[  701.961101][   T10]      fib6_rule_lookup+0x456/0x630
[  701.961101][   T10]      ip6_route_input+0x59c/0xa50
[  701.961101][   T10]      ipv6_rcv+0x397/0x810
[  701.961101][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  701.961101][   T10]      process_backlog+0x101/0x620
[  701.961101][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  701.961101][   T10]      net_rx_action+0x495/0xbe0
[  701.961101][   T10]      __do_softirq+0x1b5/0x7f6
[  701.961101][   T10] 
[  701.962867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.962867][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  701.962867][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  701.962867][   T10]      fib6_nh_init+0xa22/0x1580
[  701.962867][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.962867][   T10]      ip6_route_add+0x1c/0x140
[  701.962867][   T10]      inet6_rtm_newroute+0x104/0x110
[  701.962867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.962867][   T10]      netlink_rcv_skb+0x130/0x360
[  701.962867][   T10]      netlink_unicast+0x449/0x710
[  701.962867][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.962867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.962867][   T10]      ___sys_sendmsg+0xee/0x170
[  701.962867][   T10]      __sys_sendmsg+0xcd/0x170
[  701.962867][   T10]      do_syscall_64+0xc6/0x1e0
[  701.962867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.962867][   T10] 
[  701.964864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.964864][   T10]      netdev_get_by_index+0x5e/0x80
[  701.964864][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.964864][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.964864][   T10]      addrconf_f6i_alloc+0x265/0x560
[  701.964864][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  701.964864][   T10]      addrconf_join_anycast+0x1c0/0x220
[  701.964864][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  701.964864][   T10]      addrconf_dad_completed+0x12b/0xe20
[  701.964864][   T10]      addrconf_dad_begin+0x310/0x670
[  701.964864][   T10]      addrconf_dad_work+0x10b/0xab0
[  701.964864][   T10]      process_one_work+0x84d/0x18a0
[  701.964864][   T10]      worker_thread+0x587/0xd30
[  701.964864][   T10]      kthread+0x28a/0x350
[  701.964864][   T10]      ret_from_fork+0x31/0x70
[  701.964864][   T10]      ret_from_fork_asm+0x1a/0x30
[  701.964864][   T10] 
[  701.966874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.966874][   T10]      netdev_get_by_index+0x5e/0x80
[  701.966874][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.966874][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.966874][   T10]      ip6_route_add+0x1c/0x140
[  701.966874][   T10]      addrconf_prefix_route+0x2a6/0x430
[  701.966874][   T10]      inet6_addr_add+0x4f8/0xa40
[  701.966874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.966874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.966874][   T10]      netlink_rcv_skb+0x130/0x360
[  701.966874][   T10]      netlink_unicast+0x449/0x710
[  701.966874][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.966874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.966874][   T10]      ___sys_sendmsg+0xee/0x170
[  701.966874][   T10]      __sys_sendmsg+0xcd/0x170
[  701.966874][   T10]      do_syscall_64+0xc6/0x1e0
[  701.966874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.966874][   T10] 
[  701.968930][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.968930][   T10]      netdev_get_by_index+0x5e/0x80
[  701.968930][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.968930][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.968930][   T10]      addrconf_f6i_alloc+0x315/0x560
[  701.968930][   T10]      ipv6_add_addr+0x411/0x2000
[  701.968930][   T10]      inet6_addr_add+0x30e/0xa40
[  701.968930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.968930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.968930][   T10]      netlink_rcv_skb+0x130/0x360
[  701.968930][   T10]      netlink_unicast+0x449/0x710
[  701.968930][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.968930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.968930][   T10]      ___sys_sendmsg+0xee/0x170
[  701.968930][   T10]      __sys_sendmsg+0xcd/0x170
[  701.968930][   T10]      do_syscall_64+0xc6/0x1e0
[  701.968930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.968930][   T10] 
[  701.970980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.970980][   T10]      netdev_get_by_index+0x5e/0x80
[  701.970980][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.970980][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.970980][   T10]      ip6_route_add+0x1c/0x140
[  701.970980][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  701.970980][   T10]      addrconf_add_dev+0xe2/0x170
[  701.970980][   T10]      inet6_addr_add+0x12f/0xa40
[  701.970980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.970980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.970980][   T10]      netlink_rcv_skb+0x130/0x360
[  701.970980][   T10]      netlink_unicast+0x449/0x710
[  701.970980][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.970980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.970980][   T10]      ___sys_sendmsg+0xee/0x170
[  701.970980][   T10]      __sys_sendmsg+0xcd/0x170
[  701.970980][   T10]      do_syscall_64+0xc6/0x1e0
[  701.970980][   T10] 
[  701.973186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.973186][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  701.973186][   T10]      ipv6_find_idev+0x102/0x170
[  701.973186][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  701.973186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.973186][   T10]      netlink_rcv_skb+0x130/0x360
[  701.973186][   T10]      netlink_unicast+0x449/0x710
[  701.973186][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.973186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.973186][   T10]      ___sys_sendmsg+0xee/0x170
[  701.973186][   T10]      __sys_sendmsg+0xcd/0x170
[  701.973186][   T10]      do_syscall_64+0xc6/0x1e0
[  701.973186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.973186][   T10] 
[  701.974972][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  701.974972][   T10]      neigh_parms_alloc+0x1e5/0x510
[  701.974972][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  701.974972][   T10]      ipv6_find_idev+0x102/0x170
[  701.974972][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  701.974972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.974972][   T10]      netlink_rcv_skb+0x130/0x360
[  701.974972][   T10]      netlink_unicast+0x449/0x710
[  701.974972][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.974972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.974972][   T10]      ___sys_sendmsg+0xee/0x170
[  701.974972][   T10]      __sys_sendmsg+0xcd/0x170
[  701.974972][   T10]      do_syscall_64+0xc6/0x1e0
[  701.974972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.974972][   T10] 
[  701.976852][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  701.977167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.977167][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  701.977167][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  701.977167][   T10]      fib6_nh_init+0xa22/0x1580
[  701.977167][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.977167][   T10]      ip6_route_add+0x1c/0x140
[  701.977167][   T10]      inet6_rtm_newroute+0x104/0x110
[  701.977167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.977167][   T10]      netlink_rcv_skb+0x130/0x360
[  701.977167][   T10]      netlink_unicast+0x449/0x710
[  701.977167][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.977167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.977167][   T10]      ___sys_sendmsg+0xee/0x170
[  701.977167][   T10]      __sys_sendmsg+0xcd/0x170
[  701.977167][   T10]      do_syscall_64+0xc6/0x1e0
[  701.977167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.977167][   T10] 
[  701.979266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.979266][   T10]      dst_init+0x84/0x4a0
[  701.979266][   T10]      dst_alloc+0x97/0x150
[  701.979266][   T10]      ip6_dst_alloc+0x23/0x90
[  701.979266][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  701.979266][   T10]      ip6_pol_route+0x56f/0x840
[  701.979266][   T10]      fib6_rule_lookup+0x456/0x630
[  701.979266][   T10]      ip6_route_input+0x59c/0xa50
[  701.979266][   T10]      ipv6_rcv+0x397/0x810
[  701.979266][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  701.979266][   T10]      process_backlog+0x101/0x620
[  701.979266][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  701.979266][   T10]      net_rx_action+0x495/0xbe0
[  701.979266][   T10]      __do_softirq+0x1b5/0x7f6
[  701.979266][   T10] 
[  701.981153][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.981153][   T10]      netdev_get_by_index+0x5e/0x80
[  701.981153][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.981153][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.981153][   T10]      addrconf_f6i_alloc+0x265/0x560
[  701.981153][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  701.981153][   T10]      addrconf_join_anycast+0x1c0/0x220
[  701.981153][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  701.981153][   T10]      addrconf_dad_completed+0x12b/0xe20
[  701.981153][   T10]      addrconf_dad_begin+0x310/0x670
[  701.981153][   T10]      addrconf_dad_work+0x10b/0xab0
[  701.981153][   T10]      process_one_work+0x84d/0x18a0
[  701.981153][   T10]      worker_thread+0x587/0xd30
[  701.981153][   T10]      kthread+0x28a/0x350
[  701.981153][   T10]      ret_from_fork+0x31/0x70
[  701.981153][   T10]      ret_from_fork_asm+0x1a/0x30
[  701.981153][   T10] 
[  701.983330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.983330][   T10]      netdev_get_by_index+0x5e/0x80
[  701.983330][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.983330][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.983330][   T10]      ip6_route_add+0x1c/0x140
[  701.983330][   T10]      addrconf_prefix_route+0x2a6/0x430
[  701.983330][   T10]      inet6_addr_add+0x4f8/0xa40
[  701.983330][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.983330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.983330][   T10]      netlink_rcv_skb+0x130/0x360
[  701.983330][   T10]      netlink_unicast+0x449/0x710
[  701.983330][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.983330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.983330][   T10]      ___sys_sendmsg+0xee/0x170
[  701.983330][   T10]      __sys_sendmsg+0xcd/0x170
[  701.983330][   T10]      do_syscall_64+0xc6/0x1e0
[  701.983330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.983330][   T10] 
[  701.985673][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.985673][   T10]      netdev_get_by_index+0x5e/0x80
[  701.985673][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.985673][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.985673][   T10]      addrconf_f6i_alloc+0x315/0x560
[  701.985673][   T10]      ipv6_add_addr+0x411/0x2000
[  701.985673][   T10]      inet6_addr_add+0x30e/0xa40
[  701.985673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.985673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.985673][   T10]      netlink_rcv_skb+0x130/0x360
[  701.985673][   T10]      netlink_unicast+0x449/0x710
[  701.985673][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.985673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.985673][   T10]      ___sys_sendmsg+0xee/0x170
[  701.985673][   T10]      __sys_sendmsg+0xcd/0x170
[  701.985673][   T10]      do_syscall_64+0xc6/0x1e0
[  701.985673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.985673][   T10] 
[  701.987868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.987868][   T10]      netdev_get_by_index+0x5e/0x80
[  701.987868][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.987868][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.987868][   T10]      ip6_route_add+0x1c/0x140
[  701.987868][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  701.987868][   T10]      addrconf_add_dev+0xe2/0x170
[  701.987868][   T10]      inet6_addr_add+0x12f/0xa40
[  701.987868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.987868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.987868][   T10]      netlink_rcv_skb+0x130/0x360
[  701.987868][   T10]      netlink_unicast+0x449/0x710
[  701.987868][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.987868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.987868][   T10]      ___sys_sendmsg+0xee/0x170
[  701.987868][   T10]      __sys_sendmsg+0xcd/0x170
[  701.987868][   T10]      do_syscall_64+0xc6/0x1e0
[  701.987868][   T10] 
[  701.990004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.990004][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  701.990004][   T10]      ipv6_find_idev+0x102/0x170
[  701.990004][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  701.990004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.990004][   T10]      netlink_rcv_skb+0x130/0x360
[  701.990004][   T10]      netlink_unicast+0x449/0x710
[  701.990004][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.990004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.990004][   T10]      ___sys_sendmsg+0xee/0x170
[  701.990004][   T10]      __sys_sendmsg+0xcd/0x170
[  701.990004][   T10]      do_syscall_64+0xc6/0x1e0
[  701.990004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.990004][   T10] 
[  701.991777][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  701.991777][   T10]      neigh_parms_alloc+0x1e5/0x510
[  701.991777][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  701.991777][   T10]      ipv6_find_idev+0x102/0x170
[  701.991777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  701.991777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.991777][   T10]      netlink_rcv_skb+0x130/0x360
[  701.991777][   T10]      netlink_unicast+0x449/0x710
[  701.991777][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.991777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.991777][   T10]      ___sys_sendmsg+0xee/0x170
[  701.991777][   T10]      __sys_sendmsg+0xcd/0x170
[  701.991777][   T10]      do_syscall_64+0xc6/0x1e0
[  701.991777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.991777][   T10] 
[  701.993655][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  701.993906][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  701.993906][   T10]      netdev_get_by_index+0x5e/0x80
[  701.993906][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.993906][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.993906][   T10]      ip6_route_add+0x1c/0x140
[  701.993906][   T10]      addrconf_prefix_route+0x2a6/0x430
[  701.993906][   T10]      inet6_addr_add+0x4f8/0xa40
[  701.993906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.993906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.993906][   T10]      netlink_rcv_skb+0x130/0x360
[  701.993906][   T10]      netlink_unicast+0x449/0x710
[  701.993906][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.993906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.993906][   T10]      ___sys_sendmsg+0xee/0x170
[  701.993906][   T10]      __sys_sendmsg+0xcd/0x170
[  701.993906][   T10]      do_syscall_64+0xc6/0x1e0
[  701.993906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.993906][   T10] 
[  701.996002][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  701.996002][   T10]      netdev_get_by_index+0x5e/0x80
[  701.996002][   T10]      fib6_nh_init+0x3d8/0x1580
[  701.996002][   T10]      ip6_route_info_create+0xf18/0x17d0
[  701.996002][   T10]      addrconf_f6i_alloc+0x315/0x560
[  701.996002][   T10]      ipv6_add_addr+0x411/0x2000
[  701.996002][   T10]      inet6_addr_add+0x30e/0xa40
[  701.996002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  701.996002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.996002][   T10]      netlink_rcv_skb+0x130/0x360
[  701.996002][   T10]      netlink_unicast+0x449/0x710
[  701.996002][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.996002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.996002][   T10]      ___sys_sendmsg+0xee/0x170
[  701.996002][   T10]      __sys_sendmsg+0xcd/0x170
[  701.996002][   T10]      do_syscall_64+0xc6/0x1e0
[  701.996002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.996002][   T10] 
[  701.998259][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  701.998259][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  701.998259][   T10]      ipv6_find_idev+0x102/0x170
[  701.998259][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  701.998259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.998259][   T10]      netlink_rcv_skb+0x130/0x360
[  701.998259][   T10]      netlink_unicast+0x449/0x710
[  701.998259][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.998259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.998259][   T10]      ___sys_sendmsg+0xee/0x170
[  701.998259][   T10]      __sys_sendmsg+0xcd/0x170
[  701.998259][   T10]      do_syscall_64+0xc6/0x1e0
[  701.998259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.998259][   T10] 
[  701.999995][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  701.999995][   T10]      neigh_parms_alloc+0x1e5/0x510
[  701.999995][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  701.999995][   T10]      ipv6_find_idev+0x102/0x170
[  701.999995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  701.999995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  701.999995][   T10]      netlink_rcv_skb+0x130/0x360
[  701.999995][   T10]      netlink_unicast+0x449/0x710
[  701.999995][   T10]      netlink_sendmsg+0x723/0xbe0
[  701.999995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  701.999995][   T10]      ___sys_sendmsg+0xee/0x170
[  701.999995][   T10]      __sys_sendmsg+0xcd/0x170
[  701.999995][   T10]      do_syscall_64+0xc6/0x1e0
[  701.999995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  701.999995][   T10] 
[  712.144608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  712.145043][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.145043][   T10]      dst_init+0x84/0x4a0
[  712.145043][   T10]      dst_alloc+0x97/0x150
[  712.145043][   T10]      ip6_dst_alloc+0x23/0x90
[  712.145043][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  712.145043][   T10]      ip6_pol_route+0x56f/0x840
[  712.145043][   T10]      fib6_rule_lookup+0x456/0x630
[  712.145043][   T10]      ip6_route_input+0x59c/0xa50
[  712.145043][   T10]      ipv6_rcv+0x397/0x810
[  712.145043][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  712.145043][   T10]      process_backlog+0x101/0x620
[  712.145043][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  712.145043][   T10]      net_rx_action+0x495/0xbe0
[  712.145043][   T10]      __do_softirq+0x1b5/0x7f6
[  712.145043][   T10] 
[  712.146749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.146749][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  712.146749][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  712.146749][   T10]      fib6_nh_init+0xa22/0x1580
[  712.146749][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.146749][   T10]      ip6_route_add+0x1c/0x140
[  712.146749][   T10]      inet6_rtm_newroute+0x104/0x110
[  712.146749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.146749][   T10]      netlink_rcv_skb+0x130/0x360
[  712.146749][   T10]      netlink_unicast+0x449/0x710
[  712.146749][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.146749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.146749][   T10]      ___sys_sendmsg+0xee/0x170
[  712.146749][   T10]      __sys_sendmsg+0xcd/0x170
[  712.146749][   T10]      do_syscall_64+0xc6/0x1e0
[  712.146749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.146749][   T10] 
[  712.148691][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.148691][   T10]      netdev_get_by_index+0x5e/0x80
[  712.148691][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.148691][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.148691][   T10]      addrconf_f6i_alloc+0x265/0x560
[  712.148691][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  712.148691][   T10]      addrconf_join_anycast+0x1c0/0x220
[  712.148691][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  712.148691][   T10]      addrconf_dad_completed+0x12b/0xe20
[  712.148691][   T10]      addrconf_dad_begin+0x310/0x670
[  712.148691][   T10]      addrconf_dad_work+0x10b/0xab0
[  712.148691][   T10]      process_one_work+0x84d/0x18a0
[  712.148691][   T10]      worker_thread+0x587/0xd30
[  712.148691][   T10]      kthread+0x28a/0x350
[  712.148691][   T10]      ret_from_fork+0x31/0x70
[  712.148691][   T10]      ret_from_fork_asm+0x1a/0x30
[  712.148691][   T10] 
[  712.150673][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.150673][   T10]      netdev_get_by_index+0x5e/0x80
[  712.150673][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.150673][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.150673][   T10]      ip6_route_add+0x1c/0x140
[  712.150673][   T10]      addrconf_prefix_route+0x2a6/0x430
[  712.150673][   T10]      inet6_addr_add+0x4f8/0xa40
[  712.150673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.150673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.150673][   T10]      netlink_rcv_skb+0x130/0x360
[  712.150673][   T10]      netlink_unicast+0x449/0x710
[  712.150673][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.150673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.150673][   T10]      ___sys_sendmsg+0xee/0x170
[  712.150673][   T10]      __sys_sendmsg+0xcd/0x170
[  712.150673][   T10]      do_syscall_64+0xc6/0x1e0
[  712.150673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.150673][   T10] 
[  712.152759][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.152759][   T10]      netdev_get_by_index+0x5e/0x80
[  712.152759][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.152759][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.152759][   T10]      addrconf_f6i_alloc+0x315/0x560
[  712.152759][   T10]      ipv6_add_addr+0x411/0x2000
[  712.152759][   T10]      inet6_addr_add+0x30e/0xa40
[  712.152759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.152759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.152759][   T10]      netlink_rcv_skb+0x130/0x360
[  712.152759][   T10]      netlink_unicast+0x449/0x710
[  712.152759][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.152759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.152759][   T10]      ___sys_sendmsg+0xee/0x170
[  712.152759][   T10]      __sys_sendmsg+0xcd/0x170
[  712.152759][   T10]      do_syscall_64+0xc6/0x1e0
[  712.152759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.152759][   T10] 
[  712.154778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.154778][   T10]      netdev_get_by_index+0x5e/0x80
[  712.154778][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.154778][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.154778][   T10]      ip6_route_add+0x1c/0x140
[  712.154778][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  712.154778][   T10]      addrconf_add_dev+0xe2/0x170
[  712.154778][   T10]      inet6_addr_add+0x12f/0xa40
[  712.154778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.154778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.154778][   T10]      netlink_rcv_skb+0x130/0x360
[  712.154778][   T10]      netlink_unicast+0x449/0x710
[  712.154778][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.154778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.154778][   T10]      ___sys_sendmsg+0xee/0x170
[  712.154778][   T10]      __sys_sendmsg+0xcd/0x170
[  712.154778][   T10]      do_syscall_64+0xc6/0x1e0
[  712.154778][   T10] 
[  712.156820][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.156820][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  712.156820][   T10]      ipv6_find_idev+0x102/0x170
[  712.156820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.156820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.156820][   T10]      netlink_rcv_skb+0x130/0x360
[  712.156820][   T10]      netlink_unicast+0x449/0x710
[  712.156820][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.156820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.156820][   T10]      ___sys_sendmsg+0xee/0x170
[  712.156820][   T10]      __sys_sendmsg+0xcd/0x170
[  712.156820][   T10]      do_syscall_64+0xc6/0x1e0
[  712.156820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.156820][   T10] 
[  712.158396][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  712.158396][   T10]      neigh_parms_alloc+0x1e5/0x510
[  712.158396][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  712.158396][   T10]      ipv6_find_idev+0x102/0x170
[  712.158396][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.158396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.158396][   T10]      netlink_rcv_skb+0x130/0x360
[  712.158396][   T10]      netlink_unicast+0x449/0x710
[  712.158396][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.158396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.158396][   T10]      ___sys_sendmsg+0xee/0x170
[  712.158396][   T10]      __sys_sendmsg+0xcd/0x170
[  712.158396][   T10]      do_syscall_64+0xc6/0x1e0
[  712.158396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.158396][   T10] 
[  712.160090][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  712.160332][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.160332][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  712.160332][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  712.160332][   T10]      fib6_nh_init+0xa22/0x1580
[  712.160332][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.160332][   T10]      ip6_route_add+0x1c/0x140
[  712.160332][   T10]      inet6_rtm_newroute+0x104/0x110
[  712.160332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.160332][   T10]      netlink_rcv_skb+0x130/0x360
[  712.160332][   T10]      netlink_unicast+0x449/0x710
[  712.160332][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.160332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.160332][   T10]      ___sys_sendmsg+0xee/0x170
[  712.160332][   T10]      __sys_sendmsg+0xcd/0x170
[  712.160332][   T10]      do_syscall_64+0xc6/0x1e0
[  712.160332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.160332][   T10] 
[  712.162253][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.162253][   T10]      dst_init+0x84/0x4a0
[  712.162253][   T10]      dst_alloc+0x97/0x150
[  712.162253][   T10]      ip6_dst_alloc+0x23/0x90
[  712.162253][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  712.162253][   T10]      ip6_pol_route+0x56f/0x840
[  712.162253][   T10]      fib6_rule_lookup+0x456/0x630
[  712.162253][   T10]      ip6_route_input+0x59c/0xa50
[  712.162253][   T10]      ipv6_rcv+0x397/0x810
[  712.162253][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  712.162253][   T10]      process_backlog+0x101/0x620
[  712.162253][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  712.162253][   T10]      net_rx_action+0x495/0xbe0
[  712.162253][   T10]      __do_softirq+0x1b5/0x7f6
[  712.162253][   T10] 
[  712.163913][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.163913][   T10]      netdev_get_by_index+0x5e/0x80
[  712.163913][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.163913][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.163913][   T10]      addrconf_f6i_alloc+0x265/0x560
[  712.163913][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  712.163913][   T10]      addrconf_join_anycast+0x1c0/0x220
[  712.163913][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  712.163913][   T10]      addrconf_dad_completed+0x12b/0xe20
[  712.163913][   T10]      addrconf_dad_begin+0x310/0x670
[  712.163913][   T10]      addrconf_dad_work+0x10b/0xab0
[  712.163913][   T10]      process_one_work+0x84d/0x18a0
[  712.163913][   T10]      worker_thread+0x587/0xd30
[  712.163913][   T10]      kthread+0x28a/0x350
[  712.163913][   T10]      ret_from_fork+0x31/0x70
[  712.163913][   T10]      ret_from_fork_asm+0x1a/0x30
[  712.163913][   T10] 
[  712.165893][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.165893][   T10]      netdev_get_by_index+0x5e/0x80
[  712.165893][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.165893][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.165893][   T10]      ip6_route_add+0x1c/0x140
[  712.165893][   T10]      addrconf_prefix_route+0x2a6/0x430
[  712.165893][   T10]      inet6_addr_add+0x4f8/0xa40
[  712.165893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.165893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.165893][   T10]      netlink_rcv_skb+0x130/0x360
[  712.165893][   T10]      netlink_unicast+0x449/0x710
[  712.165893][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.165893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.165893][   T10]      ___sys_sendmsg+0xee/0x170
[  712.165893][   T10]      __sys_sendmsg+0xcd/0x170
[  712.165893][   T10]      do_syscall_64+0xc6/0x1e0
[  712.165893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.165893][   T10] 
[  712.167999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.167999][   T10]      netdev_get_by_index+0x5e/0x80
[  712.167999][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.167999][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.167999][   T10]      addrconf_f6i_alloc+0x315/0x560
[  712.167999][   T10]      ipv6_add_addr+0x411/0x2000
[  712.167999][   T10]      inet6_addr_add+0x30e/0xa40
[  712.167999][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.167999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.167999][   T10]      netlink_rcv_skb+0x130/0x360
[  712.167999][   T10]      netlink_unicast+0x449/0x710
[  712.167999][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.167999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.167999][   T10]      ___sys_sendmsg+0xee/0x170
[  712.167999][   T10]      __sys_sendmsg+0xcd/0x170
[  712.167999][   T10]      do_syscall_64+0xc6/0x1e0
[  712.167999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.167999][   T10] 
[  712.170245][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.170245][   T10]      netdev_get_by_index+0x5e/0x80
[  712.170245][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.170245][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.170245][   T10]      ip6_route_add+0x1c/0x140
[  712.170245][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  712.170245][   T10]      addrconf_add_dev+0xe2/0x170
[  712.170245][   T10]      inet6_addr_add+0x12f/0xa40
[  712.170245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.170245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.170245][   T10]      netlink_rcv_skb+0x130/0x360
[  712.170245][   T10]      netlink_unicast+0x449/0x710
[  712.170245][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.170245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.170245][   T10]      ___sys_sendmsg+0xee/0x170
[  712.170245][   T10]      __sys_sendmsg+0xcd/0x170
[  712.170245][   T10]      do_syscall_64+0xc6/0x1e0
[  712.170245][   T10] 
[  712.172590][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.172590][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  712.172590][   T10]      ipv6_find_idev+0x102/0x170
[  712.172590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.172590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.172590][   T10]      netlink_rcv_skb+0x130/0x360
[  712.172590][   T10]      netlink_unicast+0x449/0x710
[  712.172590][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.172590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.172590][   T10]      ___sys_sendmsg+0xee/0x170
[  712.172590][   T10]      __sys_sendmsg+0xcd/0x170
[  712.172590][   T10]      do_syscall_64+0xc6/0x1e0
[  712.172590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.172590][   T10] 
[  712.174383][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  712.174383][   T10]      neigh_parms_alloc+0x1e5/0x510
[  712.174383][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  712.174383][   T10]      ipv6_find_idev+0x102/0x170
[  712.174383][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.174383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.174383][   T10]      netlink_rcv_skb+0x130/0x360
[  712.174383][   T10]      netlink_unicast+0x449/0x710
[  712.174383][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.174383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.174383][   T10]      ___sys_sendmsg+0xee/0x170
[  712.174383][   T10]      __sys_sendmsg+0xcd/0x170
[  712.174383][   T10]      do_syscall_64+0xc6/0x1e0
[  712.174383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.174383][   T10] 
[  712.176757][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  712.177004][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  712.177004][   T10]      netdev_get_by_index+0x5e/0x80
[  712.177004][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.177004][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.177004][   T10]      ip6_route_add+0x1c/0x140
[  712.177004][   T10]      addrconf_prefix_route+0x2a6/0x430
[  712.177004][   T10]      inet6_addr_add+0x4f8/0xa40
[  712.177004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.177004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.177004][   T10]      netlink_rcv_skb+0x130/0x360
[  712.177004][   T10]      netlink_unicast+0x449/0x710
[  712.177004][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.177004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.177004][   T10]      ___sys_sendmsg+0xee/0x170
[  712.177004][   T10]      __sys_sendmsg+0xcd/0x170
[  712.177004][   T10]      do_syscall_64+0xc6/0x1e0
[  712.177004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.177004][   T10] 
[  712.179183][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  712.179183][   T10]      netdev_get_by_index+0x5e/0x80
[  712.179183][   T10]      fib6_nh_init+0x3d8/0x1580
[  712.179183][   T10]      ip6_route_info_create+0xf18/0x17d0
[  712.179183][   T10]      addrconf_f6i_alloc+0x315/0x560
[  712.179183][   T10]      ipv6_add_addr+0x411/0x2000
[  712.179183][   T10]      inet6_addr_add+0x30e/0xa40
[  712.179183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  712.179183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.179183][   T10]      netlink_rcv_skb+0x130/0x360
[  712.179183][   T10]      netlink_unicast+0x449/0x710
[  712.179183][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.179183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.179183][   T10]      ___sys_sendmsg+0xee/0x170
[  712.179183][   T10]      __sys_sendmsg+0xcd/0x170
[  712.179183][   T10]      do_syscall_64+0xc6/0x1e0
[  712.179183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.179183][   T10] 
[  712.181424][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  712.181424][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  712.181424][   T10]      ipv6_find_idev+0x102/0x170
[  712.181424][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.181424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.181424][   T10]      netlink_rcv_skb+0x130/0x360
[  712.181424][   T10]      netlink_unicast+0x449/0x710
[  712.181424][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.181424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.181424][   T10]      ___sys_sendmsg+0xee/0x170
[  712.181424][   T10]      __sys_sendmsg+0xcd/0x170
[  712.181424][   T10]      do_syscall_64+0xc6/0x1e0
[  712.181424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.181424][   T10] 
[  712.183156][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  712.183156][   T10]      neigh_parms_alloc+0x1e5/0x510
[  712.183156][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  712.183156][   T10]      ipv6_find_idev+0x102/0x170
[  712.183156][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  712.183156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  712.183156][   T10]      netlink_rcv_skb+0x130/0x360
[  712.183156][   T10]      netlink_unicast+0x449/0x710
[  712.183156][   T10]      netlink_sendmsg+0x723/0xbe0
[  712.183156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  712.183156][   T10]      ___sys_sendmsg+0xee/0x170
[  712.183156][   T10]      __sys_sendmsg+0xcd/0x170
[  712.183156][   T10]      do_syscall_64+0xc6/0x1e0
[  712.183156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  712.183156][   T10] 
[  722.328615][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  722.328925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.328925][   T10]      dst_init+0x84/0x4a0
[  722.328925][   T10]      dst_alloc+0x97/0x150
[  722.328925][   T10]      ip6_dst_alloc+0x23/0x90
[  722.328925][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  722.328925][   T10]      ip6_pol_route+0x56f/0x840
[  722.328925][   T10]      fib6_rule_lookup+0x456/0x630
[  722.328925][   T10]      ip6_route_input+0x59c/0xa50
[  722.328925][   T10]      ipv6_rcv+0x397/0x810
[  722.328925][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  722.328925][   T10]      process_backlog+0x101/0x620
[  722.328925][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  722.328925][   T10]      net_rx_action+0x495/0xbe0
[  722.328925][   T10]      __do_softirq+0x1b5/0x7f6
[  722.328925][   T10] 
[  722.330645][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.330645][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  722.330645][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  722.330645][   T10]      fib6_nh_init+0xa22/0x1580
[  722.330645][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.330645][   T10]      ip6_route_add+0x1c/0x140
[  722.330645][   T10]      inet6_rtm_newroute+0x104/0x110
[  722.330645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.330645][   T10]      netlink_rcv_skb+0x130/0x360
[  722.330645][   T10]      netlink_unicast+0x449/0x710
[  722.330645][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.330645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.330645][   T10]      ___sys_sendmsg+0xee/0x170
[  722.330645][   T10]      __sys_sendmsg+0xcd/0x170
[  722.330645][   T10]      do_syscall_64+0xc6/0x1e0
[  722.330645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.330645][   T10] 
[  722.332592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.332592][   T10]      netdev_get_by_index+0x5e/0x80
[  722.332592][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.332592][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.332592][   T10]      addrconf_f6i_alloc+0x265/0x560
[  722.332592][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  722.332592][   T10]      addrconf_join_anycast+0x1c0/0x220
[  722.332592][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  722.332592][   T10]      addrconf_dad_completed+0x12b/0xe20
[  722.332592][   T10]      addrconf_dad_begin+0x310/0x670
[  722.332592][   T10]      addrconf_dad_work+0x10b/0xab0
[  722.332592][   T10]      process_one_work+0x84d/0x18a0
[  722.332592][   T10]      worker_thread+0x587/0xd30
[  722.332592][   T10]      kthread+0x28a/0x350
[  722.332592][   T10]      ret_from_fork+0x31/0x70
[  722.332592][   T10]      ret_from_fork_asm+0x1a/0x30
[  722.332592][   T10] 
[  722.334570][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.334570][   T10]      netdev_get_by_index+0x5e/0x80
[  722.334570][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.334570][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.334570][   T10]      ip6_route_add+0x1c/0x140
[  722.334570][   T10]      addrconf_prefix_route+0x2a6/0x430
[  722.334570][   T10]      inet6_addr_add+0x4f8/0xa40
[  722.334570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.334570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.334570][   T10]      netlink_rcv_skb+0x130/0x360
[  722.334570][   T10]      netlink_unicast+0x449/0x710
[  722.334570][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.334570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.334570][   T10]      ___sys_sendmsg+0xee/0x170
[  722.334570][   T10]      __sys_sendmsg+0xcd/0x170
[  722.334570][   T10]      do_syscall_64+0xc6/0x1e0
[  722.334570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.334570][   T10] 
[  722.336647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.336647][   T10]      netdev_get_by_index+0x5e/0x80
[  722.336647][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.336647][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.336647][   T10]      addrconf_f6i_alloc+0x315/0x560
[  722.336647][   T10]      ipv6_add_addr+0x411/0x2000
[  722.336647][   T10]      inet6_addr_add+0x30e/0xa40
[  722.336647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.336647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.336647][   T10]      netlink_rcv_skb+0x130/0x360
[  722.336647][   T10]      netlink_unicast+0x449/0x710
[  722.336647][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.336647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.336647][   T10]      ___sys_sendmsg+0xee/0x170
[  722.336647][   T10]      __sys_sendmsg+0xcd/0x170
[  722.336647][   T10]      do_syscall_64+0xc6/0x1e0
[  722.336647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.336647][   T10] 
[  722.338712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.338712][   T10]      netdev_get_by_index+0x5e/0x80
[  722.338712][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.338712][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.338712][   T10]      ip6_route_add+0x1c/0x140
[  722.338712][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  722.338712][   T10]      addrconf_add_dev+0xe2/0x170
[  722.338712][   T10]      inet6_addr_add+0x12f/0xa40
[  722.338712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.338712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.338712][   T10]      netlink_rcv_skb+0x130/0x360
[  722.338712][   T10]      netlink_unicast+0x449/0x710
[  722.338712][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.338712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.338712][   T10]      ___sys_sendmsg+0xee/0x170
[  722.338712][   T10]      __sys_sendmsg+0xcd/0x170
[  722.338712][   T10]      do_syscall_64+0xc6/0x1e0
[  722.338712][   T10] 
[  722.340772][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.340772][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  722.340772][   T10]      ipv6_find_idev+0x102/0x170
[  722.340772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.340772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.340772][   T10]      netlink_rcv_skb+0x130/0x360
[  722.340772][   T10]      netlink_unicast+0x449/0x710
[  722.340772][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.340772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.340772][   T10]      ___sys_sendmsg+0xee/0x170
[  722.340772][   T10]      __sys_sendmsg+0xcd/0x170
[  722.340772][   T10]      do_syscall_64+0xc6/0x1e0
[  722.340772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.340772][   T10] 
[  722.342499][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  722.342499][   T10]      neigh_parms_alloc+0x1e5/0x510
[  722.342499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  722.342499][   T10]      ipv6_find_idev+0x102/0x170
[  722.342499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.342499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.342499][   T10]      netlink_rcv_skb+0x130/0x360
[  722.342499][   T10]      netlink_unicast+0x449/0x710
[  722.342499][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.342499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.342499][   T10]      ___sys_sendmsg+0xee/0x170
[  722.342499][   T10]      __sys_sendmsg+0xcd/0x170
[  722.342499][   T10]      do_syscall_64+0xc6/0x1e0
[  722.342499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.342499][   T10] 
[  722.344972][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  722.345220][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.345220][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  722.345220][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  722.345220][   T10]      fib6_nh_init+0xa22/0x1580
[  722.345220][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.345220][   T10]      ip6_route_add+0x1c/0x140
[  722.345220][   T10]      inet6_rtm_newroute+0x104/0x110
[  722.345220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.345220][   T10]      netlink_rcv_skb+0x130/0x360
[  722.345220][   T10]      netlink_unicast+0x449/0x710
[  722.345220][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.345220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.345220][   T10]      ___sys_sendmsg+0xee/0x170
[  722.345220][   T10]      __sys_sendmsg+0xcd/0x170
[  722.345220][   T10]      do_syscall_64+0xc6/0x1e0
[  722.345220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.345220][   T10] 
[  722.347311][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.347311][   T10]      dst_init+0x84/0x4a0
[  722.347311][   T10]      dst_alloc+0x97/0x150
[  722.347311][   T10]      ip6_dst_alloc+0x23/0x90
[  722.347311][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  722.347311][   T10]      ip6_pol_route+0x56f/0x840
[  722.347311][   T10]      fib6_rule_lookup+0x456/0x630
[  722.347311][   T10]      ip6_route_input+0x59c/0xa50
[  722.347311][   T10]      ipv6_rcv+0x397/0x810
[  722.347311][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  722.347311][   T10]      process_backlog+0x101/0x620
[  722.347311][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  722.347311][   T10]      net_rx_action+0x495/0xbe0
[  722.347311][   T10]      __do_softirq+0x1b5/0x7f6
[  722.347311][   T10] 
[  722.349221][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.349221][   T10]      netdev_get_by_index+0x5e/0x80
[  722.349221][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.349221][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.349221][   T10]      addrconf_f6i_alloc+0x265/0x560
[  722.349221][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  722.349221][   T10]      addrconf_join_anycast+0x1c0/0x220
[  722.349221][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  722.349221][   T10]      addrconf_dad_completed+0x12b/0xe20
[  722.349221][   T10]      addrconf_dad_begin+0x310/0x670
[  722.349221][   T10]      addrconf_dad_work+0x10b/0xab0
[  722.349221][   T10]      process_one_work+0x84d/0x18a0
[  722.349221][   T10]      worker_thread+0x587/0xd30
[  722.349221][   T10]      kthread+0x28a/0x350
[  722.349221][   T10]      ret_from_fork+0x31/0x70
[  722.349221][   T10]      ret_from_fork_asm+0x1a/0x30
[  722.349221][   T10] 
[  722.351416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.351416][   T10]      netdev_get_by_index+0x5e/0x80
[  722.351416][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.351416][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.351416][   T10]      ip6_route_add+0x1c/0x140
[  722.351416][   T10]      addrconf_prefix_route+0x2a6/0x430
[  722.351416][   T10]      inet6_addr_add+0x4f8/0xa40
[  722.351416][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.351416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.351416][   T10]      netlink_rcv_skb+0x130/0x360
[  722.351416][   T10]      netlink_unicast+0x449/0x710
[  722.351416][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.351416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.351416][   T10]      ___sys_sendmsg+0xee/0x170
[  722.351416][   T10]      __sys_sendmsg+0xcd/0x170
[  722.351416][   T10]      do_syscall_64+0xc6/0x1e0
[  722.351416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.351416][   T10] 
[  722.353641][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.353641][   T10]      netdev_get_by_index+0x5e/0x80
[  722.353641][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.353641][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.353641][   T10]      addrconf_f6i_alloc+0x315/0x560
[  722.353641][   T10]      ipv6_add_addr+0x411/0x2000
[  722.353641][   T10]      inet6_addr_add+0x30e/0xa40
[  722.353641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.353641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.353641][   T10]      netlink_rcv_skb+0x130/0x360
[  722.353641][   T10]      netlink_unicast+0x449/0x710
[  722.353641][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.353641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.353641][   T10]      ___sys_sendmsg+0xee/0x170
[  722.353641][   T10]      __sys_sendmsg+0xcd/0x170
[  722.353641][   T10]      do_syscall_64+0xc6/0x1e0
[  722.353641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.353641][   T10] 
[  722.355915][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.355915][   T10]      netdev_get_by_index+0x5e/0x80
[  722.355915][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.355915][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.355915][   T10]      ip6_route_add+0x1c/0x140
[  722.355915][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  722.355915][   T10]      addrconf_add_dev+0xe2/0x170
[  722.355915][   T10]      inet6_addr_add+0x12f/0xa40
[  722.355915][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.355915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.355915][   T10]      netlink_rcv_skb+0x130/0x360
[  722.355915][   T10]      netlink_unicast+0x449/0x710
[  722.355915][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.355915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.355915][   T10]      ___sys_sendmsg+0xee/0x170
[  722.355915][   T10]      __sys_sendmsg+0xcd/0x170
[  722.355915][   T10]      do_syscall_64+0xc6/0x1e0
[  722.355915][   T10] 
[  722.358134][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.358134][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  722.358134][   T10]      ipv6_find_idev+0x102/0x170
[  722.358134][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.358134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.358134][   T10]      netlink_rcv_skb+0x130/0x360
[  722.358134][   T10]      netlink_unicast+0x449/0x710
[  722.358134][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.358134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.358134][   T10]      ___sys_sendmsg+0xee/0x170
[  722.358134][   T10]      __sys_sendmsg+0xcd/0x170
[  722.358134][   T10]      do_syscall_64+0xc6/0x1e0
[  722.358134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.358134][   T10] 
[  722.359940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  722.359940][   T10]      neigh_parms_alloc+0x1e5/0x510
[  722.359940][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  722.359940][   T10]      ipv6_find_idev+0x102/0x170
[  722.359940][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.359940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.359940][   T10]      netlink_rcv_skb+0x130/0x360
[  722.359940][   T10]      netlink_unicast+0x449/0x710
[  722.359940][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.359940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.359940][   T10]      ___sys_sendmsg+0xee/0x170
[  722.359940][   T10]      __sys_sendmsg+0xcd/0x170
[  722.359940][   T10]      do_syscall_64+0xc6/0x1e0
[  722.359940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.359940][   T10] 
[  722.361807][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  722.362064][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  722.362064][   T10]      netdev_get_by_index+0x5e/0x80
[  722.362064][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.362064][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.362064][   T10]      ip6_route_add+0x1c/0x140
[  722.362064][   T10]      addrconf_prefix_route+0x2a6/0x430
[  722.362064][   T10]      inet6_addr_add+0x4f8/0xa40
[  722.362064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.362064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.362064][   T10]      netlink_rcv_skb+0x130/0x360
[  722.362064][   T10]      netlink_unicast+0x449/0x710
[  722.362064][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.362064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.362064][   T10]      ___sys_sendmsg+0xee/0x170
[  722.362064][   T10]      __sys_sendmsg+0xcd/0x170
[  722.362064][   T10]      do_syscall_64+0xc6/0x1e0
[  722.362064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.362064][   T10] 
[  722.364283][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  722.364283][   T10]      netdev_get_by_index+0x5e/0x80
[  722.364283][   T10]      fib6_nh_init+0x3d8/0x1580
[  722.364283][   T10]      ip6_route_info_create+0xf18/0x17d0
[  722.364283][   T10]      addrconf_f6i_alloc+0x315/0x560
[  722.364283][   T10]      ipv6_add_addr+0x411/0x2000
[  722.364283][   T10]      inet6_addr_add+0x30e/0xa40
[  722.364283][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  722.364283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.364283][   T10]      netlink_rcv_skb+0x130/0x360
[  722.364283][   T10]      netlink_unicast+0x449/0x710
[  722.364283][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.364283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.364283][   T10]      ___sys_sendmsg+0xee/0x170
[  722.364283][   T10]      __sys_sendmsg+0xcd/0x170
[  722.364283][   T10]      do_syscall_64+0xc6/0x1e0
[  722.364283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.364283][   T10] 
[  722.366534][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  722.366534][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  722.366534][   T10]      ipv6_find_idev+0x102/0x170
[  722.366534][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.366534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.366534][   T10]      netlink_rcv_skb+0x130/0x360
[  722.366534][   T10]      netlink_unicast+0x449/0x710
[  722.366534][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.366534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.366534][   T10]      ___sys_sendmsg+0xee/0x170
[  722.366534][   T10]      __sys_sendmsg+0xcd/0x170
[  722.366534][   T10]      do_syscall_64+0xc6/0x1e0
[  722.366534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.366534][   T10] 
[  722.368370][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  722.368370][   T10]      neigh_parms_alloc+0x1e5/0x510
[  722.368370][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  722.368370][   T10]      ipv6_find_idev+0x102/0x170
[  722.368370][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  722.368370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  722.368370][   T10]      netlink_rcv_skb+0x130/0x360
[  722.368370][   T10]      netlink_unicast+0x449/0x710
[  722.368370][   T10]      netlink_sendmsg+0x723/0xbe0
[  722.368370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  722.368370][   T10]      ___sys_sendmsg+0xee/0x170
[  722.368370][   T10]      __sys_sendmsg+0xcd/0x170
[  722.368370][   T10]      do_syscall_64+0xc6/0x1e0
[  722.368370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  722.368370][   T10] 
[  722.592403][ T5086] veth0: renamed from veth1
[  726.648442][ T5113] br0: port 1(vx0) entered blocking state
[  726.648722][ T5113] br0: port 1(vx0) entered disabled state
[  726.648899][ T5113] vx0: entered allmulticast mode
[  726.650078][ T5113] vx0: entered promiscuous mode
[  726.651932][ T5113] br0: port 1(vx0) entered blocking state
[  726.652117][ T5113] br0: port 1(vx0) entered forwarding state
[  732.192064][ T5143] br0: port 1(vx0) entered blocking state
[  732.192300][ T5143] br0: port 1(vx0) entered disabled state
[  732.192477][ T5143] vx0: entered allmulticast mode
[  732.193679][ T5143] vx0: entered promiscuous mode
[  732.195530][ T5143] br0: port 1(vx0) entered blocking state
[  732.195725][ T5143] br0: port 1(vx0) entered forwarding state
[  732.473604][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  732.473983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.473983][   T10]      dst_init+0x84/0x4a0
[  732.473983][   T10]      dst_alloc+0x97/0x150
[  732.473983][   T10]      ip6_dst_alloc+0x23/0x90
[  732.473983][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  732.473983][   T10]      ip6_pol_route+0x56f/0x840
[  732.473983][   T10]      fib6_rule_lookup+0x456/0x630
[  732.473983][   T10]      ip6_route_input+0x59c/0xa50
[  732.473983][   T10]      ipv6_rcv+0x397/0x810
[  732.473983][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  732.473983][   T10]      process_backlog+0x101/0x620
[  732.473983][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  732.473983][   T10]      net_rx_action+0x495/0xbe0
[  732.473983][   T10]      __do_softirq+0x1b5/0x7f6
[  732.473983][   T10] 
[  732.475704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.475704][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  732.475704][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  732.475704][   T10]      fib6_nh_init+0xa22/0x1580
[  732.475704][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.475704][   T10]      ip6_route_add+0x1c/0x140
[  732.475704][   T10]      inet6_rtm_newroute+0x104/0x110
[  732.475704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.475704][   T10]      netlink_rcv_skb+0x130/0x360
[  732.475704][   T10]      netlink_unicast+0x449/0x710
[  732.475704][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.475704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.475704][   T10]      ___sys_sendmsg+0xee/0x170
[  732.475704][   T10]      __sys_sendmsg+0xcd/0x170
[  732.475704][   T10]      do_syscall_64+0xc6/0x1e0
[  732.475704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.475704][   T10] 
[  732.477613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.477613][   T10]      netdev_get_by_index+0x5e/0x80
[  732.477613][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.477613][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.477613][   T10]      addrconf_f6i_alloc+0x265/0x560
[  732.477613][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  732.477613][   T10]      addrconf_join_anycast+0x1c0/0x220
[  732.477613][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  732.477613][   T10]      addrconf_dad_completed+0x12b/0xe20
[  732.477613][   T10]      addrconf_dad_begin+0x310/0x670
[  732.477613][   T10]      addrconf_dad_work+0x10b/0xab0
[  732.477613][   T10]      process_one_work+0x84d/0x18a0
[  732.477613][   T10]      worker_thread+0x587/0xd30
[  732.477613][   T10]      kthread+0x28a/0x350
[  732.477613][   T10]      ret_from_fork+0x31/0x70
[  732.477613][   T10]      ret_from_fork_asm+0x1a/0x30
[  732.477613][   T10] 
[  732.479547][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.479547][   T10]      netdev_get_by_index+0x5e/0x80
[  732.479547][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.479547][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.479547][   T10]      ip6_route_add+0x1c/0x140
[  732.479547][   T10]      addrconf_prefix_route+0x2a6/0x430
[  732.479547][   T10]      inet6_addr_add+0x4f8/0xa40
[  732.479547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.479547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.479547][   T10]      netlink_rcv_skb+0x130/0x360
[  732.479547][   T10]      netlink_unicast+0x449/0x710
[  732.479547][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.479547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.479547][   T10]      ___sys_sendmsg+0xee/0x170
[  732.479547][   T10]      __sys_sendmsg+0xcd/0x170
[  732.479547][   T10]      do_syscall_64+0xc6/0x1e0
[  732.479547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.479547][   T10] 
[  732.481558][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.481558][   T10]      netdev_get_by_index+0x5e/0x80
[  732.481558][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.481558][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.481558][   T10]      addrconf_f6i_alloc+0x315/0x560
[  732.481558][   T10]      ipv6_add_addr+0x411/0x2000
[  732.481558][   T10]      inet6_addr_add+0x30e/0xa40
[  732.481558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.481558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.481558][   T10]      netlink_rcv_skb+0x130/0x360
[  732.481558][   T10]      netlink_unicast+0x449/0x710
[  732.481558][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.481558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.481558][   T10]      ___sys_sendmsg+0xee/0x170
[  732.481558][   T10]      __sys_sendmsg+0xcd/0x170
[  732.481558][   T10]      do_syscall_64+0xc6/0x1e0
[  732.481558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.481558][   T10] 
[  732.483579][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.483579][   T10]      netdev_get_by_index+0x5e/0x80
[  732.483579][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.483579][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.483579][   T10]      ip6_route_add+0x1c/0x140
[  732.483579][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  732.483579][   T10]      addrconf_add_dev+0xe2/0x170
[  732.483579][   T10]      inet6_addr_add+0x12f/0xa40
[  732.483579][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.483579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.483579][   T10]      netlink_rcv_skb+0x130/0x360
[  732.483579][   T10]      netlink_unicast+0x449/0x710
[  732.483579][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.483579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.483579][   T10]      ___sys_sendmsg+0xee/0x170
[  732.483579][   T10]      __sys_sendmsg+0xcd/0x170
[  732.483579][   T10]      do_syscall_64+0xc6/0x1e0
[  732.483579][   T10] 
[  732.485559][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.485559][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  732.485559][   T10]      ipv6_find_idev+0x102/0x170
[  732.485559][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.485559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.485559][   T10]      netlink_rcv_skb+0x130/0x360
[  732.485559][   T10]      netlink_unicast+0x449/0x710
[  732.485559][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.485559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.485559][   T10]      ___sys_sendmsg+0xee/0x170
[  732.485559][   T10]      __sys_sendmsg+0xcd/0x170
[  732.485559][   T10]      do_syscall_64+0xc6/0x1e0
[  732.485559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.485559][   T10] 
[  732.487297][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  732.487297][   T10]      neigh_parms_alloc+0x1e5/0x510
[  732.487297][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  732.487297][   T10]      ipv6_find_idev+0x102/0x170
[  732.487297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.487297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.487297][   T10]      netlink_rcv_skb+0x130/0x360
[  732.487297][   T10]      netlink_unicast+0x449/0x710
[  732.487297][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.487297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.487297][   T10]      ___sys_sendmsg+0xee/0x170
[  732.487297][   T10]      __sys_sendmsg+0xcd/0x170
[  732.487297][   T10]      do_syscall_64+0xc6/0x1e0
[  732.487297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.487297][   T10] 
[  732.489152][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  732.489471][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.489471][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  732.489471][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  732.489471][   T10]      fib6_nh_init+0xa22/0x1580
[  732.489471][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.489471][   T10]      ip6_route_add+0x1c/0x140
[  732.489471][   T10]      inet6_rtm_newroute+0x104/0x110
[  732.489471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.489471][   T10]      netlink_rcv_skb+0x130/0x360
[  732.489471][   T10]      netlink_unicast+0x449/0x710
[  732.489471][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.489471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.489471][   T10]      ___sys_sendmsg+0xee/0x170
[  732.489471][   T10]      __sys_sendmsg+0xcd/0x170
[  732.489471][   T10]      do_syscall_64+0xc6/0x1e0
[  732.489471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.489471][   T10] 
[  732.491358][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.491358][   T10]      dst_init+0x84/0x4a0
[  732.491358][   T10]      dst_alloc+0x97/0x150
[  732.491358][   T10]      ip6_dst_alloc+0x23/0x90
[  732.491358][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  732.491358][   T10]      ip6_pol_route+0x56f/0x840
[  732.491358][   T10]      fib6_rule_lookup+0x456/0x630
[  732.491358][   T10]      ip6_route_input+0x59c/0xa50
[  732.491358][   T10]      ipv6_rcv+0x397/0x810
[  732.491358][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  732.491358][   T10]      process_backlog+0x101/0x620
[  732.491358][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  732.491358][   T10]      net_rx_action+0x495/0xbe0
[  732.491358][   T10]      __do_softirq+0x1b5/0x7f6
[  732.491358][   T10] 
[  732.493080][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.493080][   T10]      netdev_get_by_index+0x5e/0x80
[  732.493080][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.493080][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.493080][   T10]      addrconf_f6i_alloc+0x265/0x560
[  732.493080][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  732.493080][   T10]      addrconf_join_anycast+0x1c0/0x220
[  732.493080][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  732.493080][   T10]      addrconf_dad_completed+0x12b/0xe20
[  732.493080][   T10]      addrconf_dad_begin+0x310/0x670
[  732.493080][   T10]      addrconf_dad_work+0x10b/0xab0
[  732.493080][   T10]      process_one_work+0x84d/0x18a0
[  732.493080][   T10]      worker_thread+0x587/0xd30
[  732.493080][   T10]      kthread+0x28a/0x350
[  732.493080][   T10]      ret_from_fork+0x31/0x70
[  732.493080][   T10]      ret_from_fork_asm+0x1a/0x30
[  732.493080][   T10] 
[  732.495346][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.495346][   T10]      netdev_get_by_index+0x5e/0x80
[  732.495346][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.495346][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.495346][   T10]      ip6_route_add+0x1c/0x140
[  732.495346][   T10]      addrconf_prefix_route+0x2a6/0x430
[  732.495346][   T10]      inet6_addr_add+0x4f8/0xa40
[  732.495346][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.495346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.495346][   T10]      netlink_rcv_skb+0x130/0x360
[  732.495346][   T10]      netlink_unicast+0x449/0x710
[  732.495346][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.495346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.495346][   T10]      ___sys_sendmsg+0xee/0x170
[  732.495346][   T10]      __sys_sendmsg+0xcd/0x170
[  732.495346][   T10]      do_syscall_64+0xc6/0x1e0
[  732.495346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.495346][   T10] 
[  732.497542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.497542][   T10]      netdev_get_by_index+0x5e/0x80
[  732.497542][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.497542][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.497542][   T10]      addrconf_f6i_alloc+0x315/0x560
[  732.497542][   T10]      ipv6_add_addr+0x411/0x2000
[  732.497542][   T10]      inet6_addr_add+0x30e/0xa40
[  732.497542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.497542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.497542][   T10]      netlink_rcv_skb+0x130/0x360
[  732.497542][   T10]      netlink_unicast+0x449/0x710
[  732.497542][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.497542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.497542][   T10]      ___sys_sendmsg+0xee/0x170
[  732.497542][   T10]      __sys_sendmsg+0xcd/0x170
[  732.497542][   T10]      do_syscall_64+0xc6/0x1e0
[  732.497542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.497542][   T10] 
[  732.499821][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.499821][   T10]      netdev_get_by_index+0x5e/0x80
[  732.499821][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.499821][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.499821][   T10]      ip6_route_add+0x1c/0x140
[  732.499821][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  732.499821][   T10]      addrconf_add_dev+0xe2/0x170
[  732.499821][   T10]      inet6_addr_add+0x12f/0xa40
[  732.499821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.499821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.499821][   T10]      netlink_rcv_skb+0x130/0x360
[  732.499821][   T10]      netlink_unicast+0x449/0x710
[  732.499821][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.499821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.499821][   T10]      ___sys_sendmsg+0xee/0x170
[  732.499821][   T10]      __sys_sendmsg+0xcd/0x170
[  732.499821][   T10]      do_syscall_64+0xc6/0x1e0
[  732.499821][   T10] 
[  732.502117][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.502117][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  732.502117][   T10]      ipv6_find_idev+0x102/0x170
[  732.502117][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.502117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.502117][   T10]      netlink_rcv_skb+0x130/0x360
[  732.502117][   T10]      netlink_unicast+0x449/0x710
[  732.502117][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.502117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.502117][   T10]      ___sys_sendmsg+0xee/0x170
[  732.502117][   T10]      __sys_sendmsg+0xcd/0x170
[  732.502117][   T10]      do_syscall_64+0xc6/0x1e0
[  732.502117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.502117][   T10] 
[  732.503779][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  732.503779][   T10]      neigh_parms_alloc+0x1e5/0x510
[  732.503779][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  732.503779][   T10]      ipv6_find_idev+0x102/0x170
[  732.503779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.503779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.503779][   T10]      netlink_rcv_skb+0x130/0x360
[  732.503779][   T10]      netlink_unicast+0x449/0x710
[  732.503779][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.503779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.503779][   T10]      ___sys_sendmsg+0xee/0x170
[  732.503779][   T10]      __sys_sendmsg+0xcd/0x170
[  732.503779][   T10]      do_syscall_64+0xc6/0x1e0
[  732.503779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.503779][   T10] 
[  732.505854][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  732.506104][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  732.506104][   T10]      netdev_get_by_index+0x5e/0x80
[  732.506104][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.506104][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.506104][   T10]      ip6_route_add+0x1c/0x140
[  732.506104][   T10]      addrconf_prefix_route+0x2a6/0x430
[  732.506104][   T10]      inet6_addr_add+0x4f8/0xa40
[  732.506104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.506104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.506104][   T10]      netlink_rcv_skb+0x130/0x360
[  732.506104][   T10]      netlink_unicast+0x449/0x710
[  732.506104][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.506104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.506104][   T10]      ___sys_sendmsg+0xee/0x170
[  732.506104][   T10]      __sys_sendmsg+0xcd/0x170
[  732.506104][   T10]      do_syscall_64+0xc6/0x1e0
[  732.506104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.506104][   T10] 
[  732.508308][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  732.508308][   T10]      netdev_get_by_index+0x5e/0x80
[  732.508308][   T10]      fib6_nh_init+0x3d8/0x1580
[  732.508308][   T10]      ip6_route_info_create+0xf18/0x17d0
[  732.508308][   T10]      addrconf_f6i_alloc+0x315/0x560
[  732.508308][   T10]      ipv6_add_addr+0x411/0x2000
[  732.508308][   T10]      inet6_addr_add+0x30e/0xa40
[  732.508308][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  732.508308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.508308][   T10]      netlink_rcv_skb+0x130/0x360
[  732.508308][   T10]      netlink_unicast+0x449/0x710
[  732.508308][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.508308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.508308][   T10]      ___sys_sendmsg+0xee/0x170
[  732.508308][   T10]      __sys_sendmsg+0xcd/0x170
[  732.508308][   T10]      do_syscall_64+0xc6/0x1e0
[  732.508308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.508308][   T10] 
[  732.510510][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  732.510510][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  732.510510][   T10]      ipv6_find_idev+0x102/0x170
[  732.510510][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.510510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.510510][   T10]      netlink_rcv_skb+0x130/0x360
[  732.510510][   T10]      netlink_unicast+0x449/0x710
[  732.510510][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.510510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.510510][   T10]      ___sys_sendmsg+0xee/0x170
[  732.510510][   T10]      __sys_sendmsg+0xcd/0x170
[  732.510510][   T10]      do_syscall_64+0xc6/0x1e0
[  732.510510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.510510][   T10] 
[  732.512262][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  732.512262][   T10]      neigh_parms_alloc+0x1e5/0x510
[  732.512262][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  732.512262][   T10]      ipv6_find_idev+0x102/0x170
[  732.512262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  732.512262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  732.512262][   T10]      netlink_rcv_skb+0x130/0x360
[  732.512262][   T10]      netlink_unicast+0x449/0x710
[  732.512262][   T10]      netlink_sendmsg+0x723/0xbe0
[  732.512262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  732.512262][   T10]      ___sys_sendmsg+0xee/0x170
[  732.512262][   T10]      __sys_sendmsg+0xcd/0x170
[  732.512262][   T10]      do_syscall_64+0xc6/0x1e0
[  732.512262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  732.512262][   T10] 
[  736.389951][ T5175] veth0: renamed from veth1
[  740.443125][ T5202] br0: port 1(vx0) entered blocking state
[  740.443402][ T5202] br0: port 1(vx0) entered disabled state
[  740.443578][ T5202] vx0: entered allmulticast mode
[  740.444767][ T5202] vx0: entered promiscuous mode
[  740.446594][ T5202] br0: port 1(vx0) entered blocking state
[  740.446762][ T5202] br0: port 1(vx0) entered forwarding state
[  742.640669][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  742.640981][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.640981][   T10]      dst_init+0x84/0x4a0
[  742.640981][   T10]      dst_alloc+0x97/0x150
[  742.640981][   T10]      ip6_dst_alloc+0x23/0x90
[  742.640981][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  742.640981][   T10]      ip6_pol_route+0x56f/0x840
[  742.640981][   T10]      fib6_rule_lookup+0x456/0x630
[  742.640981][   T10]      ip6_route_input+0x59c/0xa50
[  742.640981][   T10]      ipv6_rcv+0x397/0x810
[  742.640981][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  742.640981][   T10]      process_backlog+0x101/0x620
[  742.640981][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  742.640981][   T10]      net_rx_action+0x495/0xbe0
[  742.640981][   T10]      __do_softirq+0x1b5/0x7f6
[  742.640981][   T10] 
[  742.642694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.642694][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  742.642694][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  742.642694][   T10]      fib6_nh_init+0xa22/0x1580
[  742.642694][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.642694][   T10]      ip6_route_add+0x1c/0x140
[  742.642694][   T10]      inet6_rtm_newroute+0x104/0x110
[  742.642694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.642694][   T10]      netlink_rcv_skb+0x130/0x360
[  742.642694][   T10]      netlink_unicast+0x449/0x710
[  742.642694][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.642694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.642694][   T10]      ___sys_sendmsg+0xee/0x170
[  742.642694][   T10]      __sys_sendmsg+0xcd/0x170
[  742.642694][   T10]      do_syscall_64+0xc6/0x1e0
[  742.642694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.642694][   T10] 
[  742.644595][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.644595][   T10]      netdev_get_by_index+0x5e/0x80
[  742.644595][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.644595][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.644595][   T10]      addrconf_f6i_alloc+0x265/0x560
[  742.644595][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  742.644595][   T10]      addrconf_join_anycast+0x1c0/0x220
[  742.644595][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  742.644595][   T10]      addrconf_dad_completed+0x12b/0xe20
[  742.644595][   T10]      addrconf_dad_begin+0x310/0x670
[  742.644595][   T10]      addrconf_dad_work+0x10b/0xab0
[  742.644595][   T10]      process_one_work+0x84d/0x18a0
[  742.644595][   T10]      worker_thread+0x587/0xd30
[  742.644595][   T10]      kthread+0x28a/0x350
[  742.644595][   T10]      ret_from_fork+0x31/0x70
[  742.644595][   T10]      ret_from_fork_asm+0x1a/0x30
[  742.644595][   T10] 
[  742.646543][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.646543][   T10]      netdev_get_by_index+0x5e/0x80
[  742.646543][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.646543][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.646543][   T10]      ip6_route_add+0x1c/0x140
[  742.646543][   T10]      addrconf_prefix_route+0x2a6/0x430
[  742.646543][   T10]      inet6_addr_add+0x4f8/0xa40
[  742.646543][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.646543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.646543][   T10]      netlink_rcv_skb+0x130/0x360
[  742.646543][   T10]      netlink_unicast+0x449/0x710
[  742.646543][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.646543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.646543][   T10]      ___sys_sendmsg+0xee/0x170
[  742.646543][   T10]      __sys_sendmsg+0xcd/0x170
[  742.646543][   T10]      do_syscall_64+0xc6/0x1e0
[  742.646543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.646543][   T10] 
[  742.648592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.648592][   T10]      netdev_get_by_index+0x5e/0x80
[  742.648592][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.648592][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.648592][   T10]      addrconf_f6i_alloc+0x315/0x560
[  742.648592][   T10]      ipv6_add_addr+0x411/0x2000
[  742.648592][   T10]      inet6_addr_add+0x30e/0xa40
[  742.648592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.648592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.648592][   T10]      netlink_rcv_skb+0x130/0x360
[  742.648592][   T10]      netlink_unicast+0x449/0x710
[  742.648592][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.648592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.648592][   T10]      ___sys_sendmsg+0xee/0x170
[  742.648592][   T10]      __sys_sendmsg+0xcd/0x170
[  742.648592][   T10]      do_syscall_64+0xc6/0x1e0
[  742.648592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.648592][   T10] 
[  742.650638][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.650638][   T10]      netdev_get_by_index+0x5e/0x80
[  742.650638][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.650638][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.650638][   T10]      ip6_route_add+0x1c/0x140
[  742.650638][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  742.650638][   T10]      addrconf_add_dev+0xe2/0x170
[  742.650638][   T10]      inet6_addr_add+0x12f/0xa40
[  742.650638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.650638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.650638][   T10]      netlink_rcv_skb+0x130/0x360
[  742.650638][   T10]      netlink_unicast+0x449/0x710
[  742.650638][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.650638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.650638][   T10]      ___sys_sendmsg+0xee/0x170
[  742.650638][   T10]      __sys_sendmsg+0xcd/0x170
[  742.650638][   T10]      do_syscall_64+0xc6/0x1e0
[  742.650638][   T10] 
[  742.652664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.652664][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  742.652664][   T10]      ipv6_find_idev+0x102/0x170
[  742.652664][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  742.652664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.652664][   T10]      netlink_rcv_skb+0x130/0x360
[  742.652664][   T10]      netlink_unicast+0x449/0x710
[  742.652664][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.652664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.652664][   T10]      ___sys_sendmsg+0xee/0x170
[  742.652664][   T10]      __sys_sendmsg+0xcd/0x170
[  742.652664][   T10]      do_syscall_64+0xc6/0x1e0
[  742.652664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.652664][   T10] 
[  742.654239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  742.654239][   T10]      neigh_parms_alloc+0x1e5/0x510
[  742.654239][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  742.654239][   T10]      ipv6_find_idev+0x102/0x170
[  742.654239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  742.654239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.654239][   T10]      netlink_rcv_skb+0x130/0x360
[  742.654239][   T10]      netlink_unicast+0x449/0x710
[  742.654239][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.654239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.654239][   T10]      ___sys_sendmsg+0xee/0x170
[  742.654239][   T10]      __sys_sendmsg+0xcd/0x170
[  742.654239][   T10]      do_syscall_64+0xc6/0x1e0
[  742.654239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.654239][   T10] 
[  742.656160][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  742.656405][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.656405][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  742.656405][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  742.656405][   T10]      fib6_nh_init+0xa22/0x1580
[  742.656405][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.656405][   T10]      ip6_route_add+0x1c/0x140
[  742.656405][   T10]      inet6_rtm_newroute+0x104/0x110
[  742.656405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.656405][   T10]      netlink_rcv_skb+0x130/0x360
[  742.656405][   T10]      netlink_unicast+0x449/0x710
[  742.656405][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.656405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.656405][   T10]      ___sys_sendmsg+0xee/0x170
[  742.656405][   T10]      __sys_sendmsg+0xcd/0x170
[  742.656405][   T10]      do_syscall_64+0xc6/0x1e0
[  742.656405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.656405][   T10] 
[  742.658293][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.658293][   T10]      dst_init+0x84/0x4a0
[  742.658293][   T10]      dst_alloc+0x97/0x150
[  742.658293][   T10]      ip6_dst_alloc+0x23/0x90
[  742.658293][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  742.658293][   T10]      ip6_pol_route+0x56f/0x840
[  742.658293][   T10]      fib6_rule_lookup+0x456/0x630
[  742.658293][   T10]      ip6_route_input+0x59c/0xa50
[  742.658293][   T10]      ipv6_rcv+0x397/0x810
[  742.658293][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  742.658293][   T10]      process_backlog+0x101/0x620
[  742.658293][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  742.658293][   T10]      net_rx_action+0x495/0xbe0
[  742.658293][   T10]      __do_softirq+0x1b5/0x7f6
[  742.658293][   T10] 
[  742.659940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.659940][   T10]      netdev_get_by_index+0x5e/0x80
[  742.659940][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.659940][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.659940][   T10]      addrconf_f6i_alloc+0x265/0x560
[  742.659940][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  742.659940][   T10]      addrconf_join_anycast+0x1c0/0x220
[  742.659940][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  742.659940][   T10]      addrconf_dad_completed+0x12b/0xe20
[  742.659940][   T10]      addrconf_dad_begin+0x310/0x670
[  742.659940][   T10]      addrconf_dad_work+0x10b/0xab0
[  742.659940][   T10]      process_one_work+0x84d/0x18a0
[  742.659940][   T10]      worker_thread+0x587/0xd30
[  742.659940][   T10]      kthread+0x28a/0x350
[  742.659940][   T10]      ret_from_fork+0x31/0x70
[  742.659940][   T10]      ret_from_fork_asm+0x1a/0x30
[  742.659940][   T10] 
[  742.661860][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.661860][   T10]      netdev_get_by_index+0x5e/0x80
[  742.661860][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.661860][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.661860][   T10]      ip6_route_add+0x1c/0x140
[  742.661860][   T10]      addrconf_prefix_route+0x2a6/0x430
[  742.661860][   T10]      inet6_addr_add+0x4f8/0xa40
[  742.661860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.661860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.661860][   T10]      netlink_rcv_skb+0x130/0x360
[  742.661860][   T10]      netlink_unicast+0x449/0x710
[  742.661860][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.661860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.661860][   T10]      ___sys_sendmsg+0xee/0x170
[  742.661860][   T10]      __sys_sendmsg+0xcd/0x170
[  742.661860][   T10]      do_syscall_64+0xc6/0x1e0
[  742.661860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.661860][   T10] 
[  742.663881][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.663881][   T10]      netdev_get_by_index+0x5e/0x80
[  742.663881][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.663881][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.663881][   T10]      addrconf_f6i_alloc+0x315/0x560
[  742.663881][   T10]      ipv6_add_addr+0x411/0x2000
[  742.663881][   T10]      inet6_addr_add+0x30e/0xa40
[  742.663881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.663881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.663881][   T10]      netlink_rcv_skb+0x130/0x360
[  742.663881][   T10]      netlink_unicast+0x449/0x710
[  742.663881][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.663881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.663881][   T10]      ___sys_sendmsg+0xee/0x170
[  742.663881][   T10]      __sys_sendmsg+0xcd/0x170
[  742.663881][   T10]      do_syscall_64+0xc6/0x1e0
[  742.663881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.663881][   T10] 
[  742.665966][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.665966][   T10]      netdev_get_by_index+0x5e/0x80
[  742.665966][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.665966][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.665966][   T10]      ip6_route_add+0x1c/0x140
[  742.665966][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  742.665966][   T10]      addrconf_add_dev+0xe2/0x170
[  742.665966][   T10]      inet6_addr_add+0x12f/0xa40
[  742.665966][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.665966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.665966][   T10]      netlink_rcv_skb+0x130/0x360
[  742.665966][   T10]      netlink_unicast+0x449/0x710
[  742.665966][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.665966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.665966][   T10]      ___sys_sendmsg+0xee/0x170
[  742.665966][   T10]      __sys_sendmsg+0xcd/0x170
[  742.665966][   T10]      do_syscall_64+0xc6/0x1e0
[  742.665966][   T10] 
[  742.668255][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.668255][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  742.668255][   T10]      ipv6_find_idev+0x102/0x170
[  742.668255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  742.668255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.668255][   T10]      netlink_rcv_skb+0x130/0x360
[  742.668255][   T10]      netlink_unicast+0x449/0x710
[  742.668255][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.668255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.668255][   T10]      ___sys_sendmsg+0xee/0x170
[  742.668255][   T10]      __sys_sendmsg+0xcd/0x170
[  742.668255][   T10]      do_syscall_64+0xc6/0x1e0
[  742.668255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.668255][   T10] 
[  742.669999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  742.669999][   T10]      neigh_parms_alloc+0x1e5/0x510
[  742.669999][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  742.669999][   T10]      ipv6_find_idev+0x102/0x170
[  742.669999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  742.669999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.669999][   T10]      netlink_rcv_skb+0x130/0x360
[  742.669999][   T10]      netlink_unicast+0x449/0x710
[  742.669999][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.669999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.669999][   T10]      ___sys_sendmsg+0xee/0x170
[  742.669999][   T10]      __sys_sendmsg+0xcd/0x170
[  742.669999][   T10]      do_syscall_64+0xc6/0x1e0
[  742.669999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.669999][   T10] 
[  742.671892][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  742.672147][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  742.672147][   T10]      netdev_get_by_index+0x5e/0x80
[  742.672147][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.672147][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.672147][   T10]      ip6_route_add+0x1c/0x140
[  742.672147][   T10]      addrconf_prefix_route+0x2a6/0x430
[  742.672147][   T10]      inet6_addr_add+0x4f8/0xa40
[  742.672147][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.672147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.672147][   T10]      netlink_rcv_skb+0x130/0x360
[  742.672147][   T10]      netlink_unicast+0x449/0x710
[  742.672147][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.672147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.672147][   T10]      ___sys_sendmsg+0xee/0x170
[  742.672147][   T10]      __sys_sendmsg+0xcd/0x170
[  742.672147][   T10]      do_syscall_64+0xc6/0x1e0
[  742.672147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.672147][   T10] 
[  742.674398][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  742.674398][   T10]      netdev_get_by_index+0x5e/0x80
[  742.674398][   T10]      fib6_nh_init+0x3d8/0x1580
[  742.674398][   T10]      ip6_route_info_create+0xf18/0x17d0
[  742.674398][   T10]      addrconf_f6i_alloc+0x315/0x560
[  742.674398][   T10]      ipv6_add_addr+0x411/0x2000
[  742.674398][   T10]      inet6_addr_add+0x30e/0xa40
[  742.674398][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  742.674398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.674398][   T10]      netlink_rcv_skb+0x130/0x360
[  742.674398][   T10]      netlink_unicast+0x449/0x710
[  742.674398][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.674398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.674398][   T10]      ___sys_sendmsg+0xee/0x170
[  742.674398][   T10]      __sys_sendmsg+0xcd/0x170
[  742.674398][   T10]      do_syscall_64+0xc6/0x1e0
[  742.674398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.674398][   T10] 
[  742.676578][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  742.676578][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  742.676578][   T10]      ipv6_find_idev+0x102/0x170
[  742.676578][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  742.676578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.676578][   T10]      netlink_rcv_skb+0x130/0x360
[  742.676578][   T10]      netlink_unicast+0x449/0x710
[  742.676578][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.676578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.676578][   T10]      ___sys_sendmsg+0xee/0x170
[  742.676578][   T10]      __sys_sendmsg+0xcd/0x170
[  742.676578][   T10]      do_syscall_64+0xc6/0x1e0
[  742.676578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.676578][   T10] 
[  742.678353][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  742.678353][   T10]      neigh_parms_alloc+0x1e5/0x510
[  742.678353][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  742.678353][   T10]      ipv6_find_idev+0x102/0x170
[  742.678353][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  742.678353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  742.678353][   T10]      netlink_rcv_skb+0x130/0x360
[  742.678353][   T10]      netlink_unicast+0x449/0x710
[  742.678353][   T10]      netlink_sendmsg+0x723/0xbe0
[  742.678353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  742.678353][   T10]      ___sys_sendmsg+0xee/0x170
[  742.678353][   T10]      __sys_sendmsg+0xcd/0x170
[  742.678353][   T10]      do_syscall_64+0xc6/0x1e0
[  742.678353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  742.678353][   T10] 
[  745.985183][ T5232] br0: port 1(vx0) entered blocking state
[  745.985452][ T5232] br0: port 1(vx0) entered disabled state
[  745.985641][ T5232] vx0: entered allmulticast mode
[  745.993247][ T5232] vx0: entered promiscuous mode
[  745.996065][ T5232] br0: port 1(vx0) entered blocking state
[  745.996247][ T5232] br0: port 1(vx0) entered forwarding state
[  752.760750][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  752.761200][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.761200][   T10]      dst_init+0x84/0x4a0
[  752.761200][   T10]      dst_alloc+0x97/0x150
[  752.761200][   T10]      ip6_dst_alloc+0x23/0x90
[  752.761200][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  752.761200][   T10]      ip6_pol_route+0x56f/0x840
[  752.761200][   T10]      fib6_rule_lookup+0x456/0x630
[  752.761200][   T10]      ip6_route_input+0x59c/0xa50
[  752.761200][   T10]      ipv6_rcv+0x397/0x810
[  752.761200][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  752.761200][   T10]      process_backlog+0x101/0x620
[  752.761200][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  752.761200][   T10]      net_rx_action+0x495/0xbe0
[  752.761200][   T10]      __do_softirq+0x1b5/0x7f6
[  752.761200][   T10] 
[  752.762945][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.762945][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  752.762945][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  752.762945][   T10]      fib6_nh_init+0xa22/0x1580
[  752.762945][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.762945][   T10]      ip6_route_add+0x1c/0x140
[  752.762945][   T10]      inet6_rtm_newroute+0x104/0x110
[  752.762945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.762945][   T10]      netlink_rcv_skb+0x130/0x360
[  752.762945][   T10]      netlink_unicast+0x449/0x710
[  752.762945][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.762945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.762945][   T10]      ___sys_sendmsg+0xee/0x170
[  752.762945][   T10]      __sys_sendmsg+0xcd/0x170
[  752.762945][   T10]      do_syscall_64+0xc6/0x1e0
[  752.762945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.762945][   T10] 
[  752.764873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.764873][   T10]      netdev_get_by_index+0x5e/0x80
[  752.764873][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.764873][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.764873][   T10]      addrconf_f6i_alloc+0x265/0x560
[  752.764873][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  752.764873][   T10]      addrconf_join_anycast+0x1c0/0x220
[  752.764873][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  752.764873][   T10]      addrconf_dad_completed+0x12b/0xe20
[  752.764873][   T10]      addrconf_dad_begin+0x310/0x670
[  752.764873][   T10]      addrconf_dad_work+0x10b/0xab0
[  752.764873][   T10]      process_one_work+0x84d/0x18a0
[  752.764873][   T10]      worker_thread+0x587/0xd30
[  752.764873][   T10]      kthread+0x28a/0x350
[  752.764873][   T10]      ret_from_fork+0x31/0x70
[  752.764873][   T10]      ret_from_fork_asm+0x1a/0x30
[  752.764873][   T10] 
[  752.766799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.766799][   T10]      netdev_get_by_index+0x5e/0x80
[  752.766799][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.766799][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.766799][   T10]      ip6_route_add+0x1c/0x140
[  752.766799][   T10]      addrconf_prefix_route+0x2a6/0x430
[  752.766799][   T10]      inet6_addr_add+0x4f8/0xa40
[  752.766799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.766799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.766799][   T10]      netlink_rcv_skb+0x130/0x360
[  752.766799][   T10]      netlink_unicast+0x449/0x710
[  752.766799][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.766799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.766799][   T10]      ___sys_sendmsg+0xee/0x170
[  752.766799][   T10]      __sys_sendmsg+0xcd/0x170
[  752.766799][   T10]      do_syscall_64+0xc6/0x1e0
[  752.766799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.766799][   T10] 
[  752.768809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.768809][   T10]      netdev_get_by_index+0x5e/0x80
[  752.768809][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.768809][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.768809][   T10]      addrconf_f6i_alloc+0x315/0x560
[  752.768809][   T10]      ipv6_add_addr+0x411/0x2000
[  752.768809][   T10]      inet6_addr_add+0x30e/0xa40
[  752.768809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.768809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.768809][   T10]      netlink_rcv_skb+0x130/0x360
[  752.768809][   T10]      netlink_unicast+0x449/0x710
[  752.768809][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.768809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.768809][   T10]      ___sys_sendmsg+0xee/0x170
[  752.768809][   T10]      __sys_sendmsg+0xcd/0x170
[  752.768809][   T10]      do_syscall_64+0xc6/0x1e0
[  752.768809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.768809][   T10] 
[  752.770823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.770823][   T10]      netdev_get_by_index+0x5e/0x80
[  752.770823][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.770823][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.770823][   T10]      ip6_route_add+0x1c/0x140
[  752.770823][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  752.770823][   T10]      addrconf_add_dev+0xe2/0x170
[  752.770823][   T10]      inet6_addr_add+0x12f/0xa40
[  752.770823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.770823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.770823][   T10]      netlink_rcv_skb+0x130/0x360
[  752.770823][   T10]      netlink_unicast+0x449/0x710
[  752.770823][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.770823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.770823][   T10]      ___sys_sendmsg+0xee/0x170
[  752.770823][   T10]      __sys_sendmsg+0xcd/0x170
[  752.770823][   T10]      do_syscall_64+0xc6/0x1e0
[  752.770823][   T10] 
[  752.772807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.772807][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  752.772807][   T10]      ipv6_find_idev+0x102/0x170
[  752.772807][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  752.772807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.772807][   T10]      netlink_rcv_skb+0x130/0x360
[  752.772807][   T10]      netlink_unicast+0x449/0x710
[  752.772807][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.772807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.772807][   T10]      ___sys_sendmsg+0xee/0x170
[  752.772807][   T10]      __sys_sendmsg+0xcd/0x170
[  752.772807][   T10]      do_syscall_64+0xc6/0x1e0
[  752.772807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.772807][   T10] 
[  752.774358][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  752.774358][   T10]      neigh_parms_alloc+0x1e5/0x510
[  752.774358][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  752.774358][   T10]      ipv6_find_idev+0x102/0x170
[  752.774358][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  752.774358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.774358][   T10]      netlink_rcv_skb+0x130/0x360
[  752.774358][   T10]      netlink_unicast+0x449/0x710
[  752.774358][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.774358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.774358][   T10]      ___sys_sendmsg+0xee/0x170
[  752.774358][   T10]      __sys_sendmsg+0xcd/0x170
[  752.774358][   T10]      do_syscall_64+0xc6/0x1e0
[  752.774358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.774358][   T10] 
[  752.776061][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  752.776310][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.776310][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  752.776310][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  752.776310][   T10]      fib6_nh_init+0xa22/0x1580
[  752.776310][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.776310][   T10]      ip6_route_add+0x1c/0x140
[  752.776310][   T10]      inet6_rtm_newroute+0x104/0x110
[  752.776310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.776310][   T10]      netlink_rcv_skb+0x130/0x360
[  752.776310][   T10]      netlink_unicast+0x449/0x710
[  752.776310][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.776310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.776310][   T10]      ___sys_sendmsg+0xee/0x170
[  752.776310][   T10]      __sys_sendmsg+0xcd/0x170
[  752.776310][   T10]      do_syscall_64+0xc6/0x1e0
[  752.776310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.776310][   T10] 
[  752.778208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.778208][   T10]      dst_init+0x84/0x4a0
[  752.778208][   T10]      dst_alloc+0x97/0x150
[  752.778208][   T10]      ip6_dst_alloc+0x23/0x90
[  752.778208][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  752.778208][   T10]      ip6_pol_route+0x56f/0x840
[  752.778208][   T10]      fib6_rule_lookup+0x456/0x630
[  752.778208][   T10]      ip6_route_input+0x59c/0xa50
[  752.778208][   T10]      ipv6_rcv+0x397/0x810
[  752.778208][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  752.778208][   T10]      process_backlog+0x101/0x620
[  752.778208][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  752.778208][   T10]      net_rx_action+0x495/0xbe0
[  752.778208][   T10]      __do_softirq+0x1b5/0x7f6
[  752.778208][   T10] 
[  752.779859][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.779859][   T10]      netdev_get_by_index+0x5e/0x80
[  752.779859][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.779859][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.779859][   T10]      addrconf_f6i_alloc+0x265/0x560
[  752.779859][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  752.779859][   T10]      addrconf_join_anycast+0x1c0/0x220
[  752.779859][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  752.779859][   T10]      addrconf_dad_completed+0x12b/0xe20
[  752.779859][   T10]      addrconf_dad_begin+0x310/0x670
[  752.779859][   T10]      addrconf_dad_work+0x10b/0xab0
[  752.779859][   T10]      process_one_work+0x84d/0x18a0
[  752.779859][   T10]      worker_thread+0x587/0xd30
[  752.779859][   T10]      kthread+0x28a/0x350
[  752.779859][   T10]      ret_from_fork+0x31/0x70
[  752.779859][   T10]      ret_from_fork_asm+0x1a/0x30
[  752.779859][   T10] 
[  752.781787][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.781787][   T10]      netdev_get_by_index+0x5e/0x80
[  752.781787][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.781787][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.781787][   T10]      ip6_route_add+0x1c/0x140
[  752.781787][   T10]      addrconf_prefix_route+0x2a6/0x430
[  752.781787][   T10]      inet6_addr_add+0x4f8/0xa40
[  752.781787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.781787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.781787][   T10]      netlink_rcv_skb+0x130/0x360
[  752.781787][   T10]      netlink_unicast+0x449/0x710
[  752.781787][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.781787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.781787][   T10]      ___sys_sendmsg+0xee/0x170
[  752.781787][   T10]      __sys_sendmsg+0xcd/0x170
[  752.781787][   T10]      do_syscall_64+0xc6/0x1e0
[  752.781787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.781787][   T10] 
[  752.783803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.783803][   T10]      netdev_get_by_index+0x5e/0x80
[  752.783803][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.783803][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.783803][   T10]      addrconf_f6i_alloc+0x315/0x560
[  752.783803][   T10]      ipv6_add_addr+0x411/0x2000
[  752.783803][   T10]      inet6_addr_add+0x30e/0xa40
[  752.783803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.783803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.783803][   T10]      netlink_rcv_skb+0x130/0x360
[  752.783803][   T10]      netlink_unicast+0x449/0x710
[  752.783803][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.783803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.783803][   T10]      ___sys_sendmsg+0xee/0x170
[  752.783803][   T10]      __sys_sendmsg+0xcd/0x170
[  752.783803][   T10]      do_syscall_64+0xc6/0x1e0
[  752.783803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.783803][   T10] 
[  752.785818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.785818][   T10]      netdev_get_by_index+0x5e/0x80
[  752.785818][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.785818][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.785818][   T10]      ip6_route_add+0x1c/0x140
[  752.785818][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  752.785818][   T10]      addrconf_add_dev+0xe2/0x170
[  752.785818][   T10]      inet6_addr_add+0x12f/0xa40
[  752.785818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.785818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.785818][   T10]      netlink_rcv_skb+0x130/0x360
[  752.785818][   T10]      netlink_unicast+0x449/0x710
[  752.785818][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.785818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.785818][   T10]      ___sys_sendmsg+0xee/0x170
[  752.785818][   T10]      __sys_sendmsg+0xcd/0x170
[  752.785818][   T10]      do_syscall_64+0xc6/0x1e0
[  752.785818][   T10] 
[  752.787997][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.787997][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  752.787997][   T10]      ipv6_find_idev+0x102/0x170
[  752.787997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  752.787997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.787997][   T10]      netlink_rcv_skb+0x130/0x360
[  752.787997][   T10]      netlink_unicast+0x449/0x710
[  752.787997][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.787997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.787997][   T10]      ___sys_sendmsg+0xee/0x170
[  752.787997][   T10]      __sys_sendmsg+0xcd/0x170
[  752.787997][   T10]      do_syscall_64+0xc6/0x1e0
[  752.787997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.787997][   T10] 
[  752.789676][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  752.789676][   T10]      neigh_parms_alloc+0x1e5/0x510
[  752.789676][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  752.789676][   T10]      ipv6_find_idev+0x102/0x170
[  752.789676][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  752.789676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.789676][   T10]      netlink_rcv_skb+0x130/0x360
[  752.789676][   T10]      netlink_unicast+0x449/0x710
[  752.789676][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.789676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.789676][   T10]      ___sys_sendmsg+0xee/0x170
[  752.789676][   T10]      __sys_sendmsg+0xcd/0x170
[  752.789676][   T10]      do_syscall_64+0xc6/0x1e0
[  752.789676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.789676][   T10] 
[  752.791543][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  752.791856][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  752.791856][   T10]      netdev_get_by_index+0x5e/0x80
[  752.791856][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.791856][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.791856][   T10]      ip6_route_add+0x1c/0x140
[  752.791856][   T10]      addrconf_prefix_route+0x2a6/0x430
[  752.791856][   T10]      inet6_addr_add+0x4f8/0xa40
[  752.791856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.791856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.791856][   T10]      netlink_rcv_skb+0x130/0x360
[  752.791856][   T10]      netlink_unicast+0x449/0x710
[  752.791856][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.791856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.791856][   T10]      ___sys_sendmsg+0xee/0x170
[  752.791856][   T10]      __sys_sendmsg+0xcd/0x170
[  752.791856][   T10]      do_syscall_64+0xc6/0x1e0
[  752.791856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.791856][   T10] 
[  752.794064][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  752.794064][   T10]      netdev_get_by_index+0x5e/0x80
[  752.794064][   T10]      fib6_nh_init+0x3d8/0x1580
[  752.794064][   T10]      ip6_route_info_create+0xf18/0x17d0
[  752.794064][   T10]      addrconf_f6i_alloc+0x315/0x560
[  752.794064][   T10]      ipv6_add_addr+0x411/0x2000
[  752.794064][   T10]      inet6_addr_add+0x30e/0xa40
[  752.794064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  752.794064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.794064][   T10]      netlink_rcv_skb+0x130/0x360
[  752.794064][   T10]      netlink_unicast+0x449/0x710
[  752.794064][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.794064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.794064][   T10]      ___sys_sendmsg+0xee/0x170
[  752.794064][   T10]      __sys_sendmsg+0xcd/0x170
[  752.794064][   T10]      do_syscall_64+0xc6/0x1e0
[  752.794064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.794064][   T10] 
[  752.796327][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  752.796327][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  752.796327][   T10]      ipv6_find_idev+0x102/0x170
[  752.796327][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  752.796327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.796327][   T10]      netlink_rcv_skb+0x130/0x360
[  752.796327][   T10]      netlink_unicast+0x449/0x710
[  752.796327][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.796327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.796327][   T10]      ___sys_sendmsg+0xee/0x170
[  752.796327][   T10]      __sys_sendmsg+0xcd/0x170
[  752.796327][   T10]      do_syscall_64+0xc6/0x1e0
[  752.796327][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.796327][   T10] 
[  752.798064][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  752.798064][   T10]      neigh_parms_alloc+0x1e5/0x510
[  752.798064][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  752.798064][   T10]      ipv6_find_idev+0x102/0x170
[  752.798064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  752.798064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  752.798064][   T10]      netlink_rcv_skb+0x130/0x360
[  752.798064][   T10]      netlink_unicast+0x449/0x710
[  752.798064][   T10]      netlink_sendmsg+0x723/0xbe0
[  752.798064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  752.798064][   T10]      ___sys_sendmsg+0xee/0x170
[  752.798064][   T10]      __sys_sendmsg+0xcd/0x170
[  752.798064][   T10]      do_syscall_64+0xc6/0x1e0
[  752.798064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  752.798064][   T10] 
[  762.888617][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  762.888985][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.888985][   T10]      dst_init+0x84/0x4a0
[  762.888985][   T10]      dst_alloc+0x97/0x150
[  762.888985][   T10]      ip6_dst_alloc+0x23/0x90
[  762.888985][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  762.888985][   T10]      ip6_pol_route+0x56f/0x840
[  762.888985][   T10]      fib6_rule_lookup+0x456/0x630
[  762.888985][   T10]      ip6_route_input+0x59c/0xa50
[  762.888985][   T10]      ipv6_rcv+0x397/0x810
[  762.888985][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  762.888985][   T10]      process_backlog+0x101/0x620
[  762.888985][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  762.888985][   T10]      net_rx_action+0x495/0xbe0
[  762.888985][   T10]      __do_softirq+0x1b5/0x7f6
[  762.888985][   T10] 
[  762.890707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.890707][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  762.890707][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  762.890707][   T10]      fib6_nh_init+0xa22/0x1580
[  762.890707][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.890707][   T10]      ip6_route_add+0x1c/0x140
[  762.890707][   T10]      inet6_rtm_newroute+0x104/0x110
[  762.890707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.890707][   T10]      netlink_rcv_skb+0x130/0x360
[  762.890707][   T10]      netlink_unicast+0x449/0x710
[  762.890707][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.890707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.890707][   T10]      ___sys_sendmsg+0xee/0x170
[  762.890707][   T10]      __sys_sendmsg+0xcd/0x170
[  762.890707][   T10]      do_syscall_64+0xc6/0x1e0
[  762.890707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.890707][   T10] 
[  762.892643][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.892643][   T10]      netdev_get_by_index+0x5e/0x80
[  762.892643][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.892643][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.892643][   T10]      addrconf_f6i_alloc+0x265/0x560
[  762.892643][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  762.892643][   T10]      addrconf_join_anycast+0x1c0/0x220
[  762.892643][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  762.892643][   T10]      addrconf_dad_completed+0x12b/0xe20
[  762.892643][   T10]      addrconf_dad_begin+0x310/0x670
[  762.892643][   T10]      addrconf_dad_work+0x10b/0xab0
[  762.892643][   T10]      process_one_work+0x84d/0x18a0
[  762.892643][   T10]      worker_thread+0x587/0xd30
[  762.892643][   T10]      kthread+0x28a/0x350
[  762.892643][   T10]      ret_from_fork+0x31/0x70
[  762.892643][   T10]      ret_from_fork_asm+0x1a/0x30
[  762.892643][   T10] 
[  762.894633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.894633][   T10]      netdev_get_by_index+0x5e/0x80
[  762.894633][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.894633][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.894633][   T10]      ip6_route_add+0x1c/0x140
[  762.894633][   T10]      addrconf_prefix_route+0x2a6/0x430
[  762.894633][   T10]      inet6_addr_add+0x4f8/0xa40
[  762.894633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.894633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.894633][   T10]      netlink_rcv_skb+0x130/0x360
[  762.894633][   T10]      netlink_unicast+0x449/0x710
[  762.894633][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.894633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.894633][   T10]      ___sys_sendmsg+0xee/0x170
[  762.894633][   T10]      __sys_sendmsg+0xcd/0x170
[  762.894633][   T10]      do_syscall_64+0xc6/0x1e0
[  762.894633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.894633][   T10] 
[  762.896696][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.896696][   T10]      netdev_get_by_index+0x5e/0x80
[  762.896696][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.896696][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.896696][   T10]      addrconf_f6i_alloc+0x315/0x560
[  762.896696][   T10]      ipv6_add_addr+0x411/0x2000
[  762.896696][   T10]      inet6_addr_add+0x30e/0xa40
[  762.896696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.896696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.896696][   T10]      netlink_rcv_skb+0x130/0x360
[  762.896696][   T10]      netlink_unicast+0x449/0x710
[  762.896696][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.896696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.896696][   T10]      ___sys_sendmsg+0xee/0x170
[  762.896696][   T10]      __sys_sendmsg+0xcd/0x170
[  762.896696][   T10]      do_syscall_64+0xc6/0x1e0
[  762.896696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.896696][   T10] 
[  762.898766][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.898766][   T10]      netdev_get_by_index+0x5e/0x80
[  762.898766][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.898766][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.898766][   T10]      ip6_route_add+0x1c/0x140
[  762.898766][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  762.898766][   T10]      addrconf_add_dev+0xe2/0x170
[  762.898766][   T10]      inet6_addr_add+0x12f/0xa40
[  762.898766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.898766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.898766][   T10]      netlink_rcv_skb+0x130/0x360
[  762.898766][   T10]      netlink_unicast+0x449/0x710
[  762.898766][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.898766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.898766][   T10]      ___sys_sendmsg+0xee/0x170
[  762.898766][   T10]      __sys_sendmsg+0xcd/0x170
[  762.898766][   T10]      do_syscall_64+0xc6/0x1e0
[  762.898766][   T10] 
[  762.901028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.901028][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  762.901028][   T10]      ipv6_find_idev+0x102/0x170
[  762.901028][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  762.901028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.901028][   T10]      netlink_rcv_skb+0x130/0x360
[  762.901028][   T10]      netlink_unicast+0x449/0x710
[  762.901028][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.901028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.901028][   T10]      ___sys_sendmsg+0xee/0x170
[  762.901028][   T10]      __sys_sendmsg+0xcd/0x170
[  762.901028][   T10]      do_syscall_64+0xc6/0x1e0
[  762.901028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.901028][   T10] 
[  762.902850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  762.902850][   T10]      neigh_parms_alloc+0x1e5/0x510
[  762.902850][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  762.902850][   T10]      ipv6_find_idev+0x102/0x170
[  762.902850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  762.902850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.902850][   T10]      netlink_rcv_skb+0x130/0x360
[  762.902850][   T10]      netlink_unicast+0x449/0x710
[  762.902850][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.902850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.902850][   T10]      ___sys_sendmsg+0xee/0x170
[  762.902850][   T10]      __sys_sendmsg+0xcd/0x170
[  762.902850][   T10]      do_syscall_64+0xc6/0x1e0
[  762.902850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.902850][   T10] 
[  762.904938][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  762.905184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.905184][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  762.905184][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  762.905184][   T10]      fib6_nh_init+0xa22/0x1580
[  762.905184][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.905184][   T10]      ip6_route_add+0x1c/0x140
[  762.905184][   T10]      inet6_rtm_newroute+0x104/0x110
[  762.905184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.905184][   T10]      netlink_rcv_skb+0x130/0x360
[  762.905184][   T10]      netlink_unicast+0x449/0x710
[  762.905184][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.905184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.905184][   T10]      ___sys_sendmsg+0xee/0x170
[  762.905184][   T10]      __sys_sendmsg+0xcd/0x170
[  762.905184][   T10]      do_syscall_64+0xc6/0x1e0
[  762.905184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.905184][   T10] 
[  762.907381][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.907381][   T10]      dst_init+0x84/0x4a0
[  762.907381][   T10]      dst_alloc+0x97/0x150
[  762.907381][   T10]      ip6_dst_alloc+0x23/0x90
[  762.907381][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  762.907381][   T10]      ip6_pol_route+0x56f/0x840
[  762.907381][   T10]      fib6_rule_lookup+0x456/0x630
[  762.907381][   T10]      ip6_route_input+0x59c/0xa50
[  762.907381][   T10]      ipv6_rcv+0x397/0x810
[  762.907381][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  762.907381][   T10]      process_backlog+0x101/0x620
[  762.907381][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  762.907381][   T10]      net_rx_action+0x495/0xbe0
[  762.907381][   T10]      __do_softirq+0x1b5/0x7f6
[  762.907381][   T10] 
[  762.909093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.909093][   T10]      netdev_get_by_index+0x5e/0x80
[  762.909093][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.909093][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.909093][   T10]      addrconf_f6i_alloc+0x265/0x560
[  762.909093][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  762.909093][   T10]      addrconf_join_anycast+0x1c0/0x220
[  762.909093][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  762.909093][   T10]      addrconf_dad_completed+0x12b/0xe20
[  762.909093][   T10]      addrconf_dad_begin+0x310/0x670
[  762.909093][   T10]      addrconf_dad_work+0x10b/0xab0
[  762.909093][   T10]      process_one_work+0x84d/0x18a0
[  762.909093][   T10]      worker_thread+0x587/0xd30
[  762.909093][   T10]      kthread+0x28a/0x350
[  762.909093][   T10]      ret_from_fork+0x31/0x70
[  762.909093][   T10]      ret_from_fork_asm+0x1a/0x30
[  762.909093][   T10] 
[  762.911335][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.911335][   T10]      netdev_get_by_index+0x5e/0x80
[  762.911335][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.911335][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.911335][   T10]      ip6_route_add+0x1c/0x140
[  762.911335][   T10]      addrconf_prefix_route+0x2a6/0x430
[  762.911335][   T10]      inet6_addr_add+0x4f8/0xa40
[  762.911335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.911335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.911335][   T10]      netlink_rcv_skb+0x130/0x360
[  762.911335][   T10]      netlink_unicast+0x449/0x710
[  762.911335][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.911335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.911335][   T10]      ___sys_sendmsg+0xee/0x170
[  762.911335][   T10]      __sys_sendmsg+0xcd/0x170
[  762.911335][   T10]      do_syscall_64+0xc6/0x1e0
[  762.911335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.911335][   T10] 
[  762.913726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.913726][   T10]      netdev_get_by_index+0x5e/0x80
[  762.913726][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.913726][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.913726][   T10]      addrconf_f6i_alloc+0x315/0x560
[  762.913726][   T10]      ipv6_add_addr+0x411/0x2000
[  762.913726][   T10]      inet6_addr_add+0x30e/0xa40
[  762.913726][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.913726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.913726][   T10]      netlink_rcv_skb+0x130/0x360
[  762.913726][   T10]      netlink_unicast+0x449/0x710
[  762.913726][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.913726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.913726][   T10]      ___sys_sendmsg+0xee/0x170
[  762.913726][   T10]      __sys_sendmsg+0xcd/0x170
[  762.913726][   T10]      do_syscall_64+0xc6/0x1e0
[  762.913726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.913726][   T10] 
[  762.915960][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.915960][   T10]      netdev_get_by_index+0x5e/0x80
[  762.915960][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.915960][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.915960][   T10]      ip6_route_add+0x1c/0x140
[  762.915960][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  762.915960][   T10]      addrconf_add_dev+0xe2/0x170
[  762.915960][   T10]      inet6_addr_add+0x12f/0xa40
[  762.915960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.915960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.915960][   T10]      netlink_rcv_skb+0x130/0x360
[  762.915960][   T10]      netlink_unicast+0x449/0x710
[  762.915960][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.915960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.915960][   T10]      ___sys_sendmsg+0xee/0x170
[  762.915960][   T10]      __sys_sendmsg+0xcd/0x170
[  762.915960][   T10]      do_syscall_64+0xc6/0x1e0
[  762.915960][   T10] 
[  762.918516][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.918516][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  762.918516][   T10]      ipv6_find_idev+0x102/0x170
[  762.918516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  762.918516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.918516][   T10]      netlink_rcv_skb+0x130/0x360
[  762.918516][   T10]      netlink_unicast+0x449/0x710
[  762.918516][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.918516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.918516][   T10]      ___sys_sendmsg+0xee/0x170
[  762.918516][   T10]      __sys_sendmsg+0xcd/0x170
[  762.918516][   T10]      do_syscall_64+0xc6/0x1e0
[  762.918516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.918516][   T10] 
[  762.920475][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  762.920475][   T10]      neigh_parms_alloc+0x1e5/0x510
[  762.920475][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  762.920475][   T10]      ipv6_find_idev+0x102/0x170
[  762.920475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  762.920475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.920475][   T10]      netlink_rcv_skb+0x130/0x360
[  762.920475][   T10]      netlink_unicast+0x449/0x710
[  762.920475][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.920475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.920475][   T10]      ___sys_sendmsg+0xee/0x170
[  762.920475][   T10]      __sys_sendmsg+0xcd/0x170
[  762.920475][   T10]      do_syscall_64+0xc6/0x1e0
[  762.920475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.920475][   T10] 
[  762.922371][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  762.922693][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  762.922693][   T10]      netdev_get_by_index+0x5e/0x80
[  762.922693][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.922693][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.922693][   T10]      ip6_route_add+0x1c/0x140
[  762.922693][   T10]      addrconf_prefix_route+0x2a6/0x430
[  762.922693][   T10]      inet6_addr_add+0x4f8/0xa40
[  762.922693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.922693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.922693][   T10]      netlink_rcv_skb+0x130/0x360
[  762.922693][   T10]      netlink_unicast+0x449/0x710
[  762.922693][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.922693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.922693][   T10]      ___sys_sendmsg+0xee/0x170
[  762.922693][   T10]      __sys_sendmsg+0xcd/0x170
[  762.922693][   T10]      do_syscall_64+0xc6/0x1e0
[  762.922693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.922693][   T10] 
[  762.924981][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  762.924981][   T10]      netdev_get_by_index+0x5e/0x80
[  762.924981][   T10]      fib6_nh_init+0x3d8/0x1580
[  762.924981][   T10]      ip6_route_info_create+0xf18/0x17d0
[  762.924981][   T10]      addrconf_f6i_alloc+0x315/0x560
[  762.924981][   T10]      ipv6_add_addr+0x411/0x2000
[  762.924981][   T10]      inet6_addr_add+0x30e/0xa40
[  762.924981][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  762.924981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.924981][   T10]      netlink_rcv_skb+0x130/0x360
[  762.924981][   T10]      netlink_unicast+0x449/0x710
[  762.924981][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.924981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.924981][   T10]      ___sys_sendmsg+0xee/0x170
[  762.924981][   T10]      __sys_sendmsg+0xcd/0x170
[  762.924981][   T10]      do_syscall_64+0xc6/0x1e0
[  762.924981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.924981][   T10] 
[  762.927398][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  762.927398][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  762.927398][   T10]      ipv6_find_idev+0x102/0x170
[  762.927398][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  762.927398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.927398][   T10]      netlink_rcv_skb+0x130/0x360
[  762.927398][   T10]      netlink_unicast+0x449/0x710
[  762.927398][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.927398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.927398][   T10]      ___sys_sendmsg+0xee/0x170
[  762.927398][   T10]      __sys_sendmsg+0xcd/0x170
[  762.927398][   T10]      do_syscall_64+0xc6/0x1e0
[  762.927398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.927398][   T10] 
[  762.929068][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  762.929068][   T10]      neigh_parms_alloc+0x1e5/0x510
[  762.929068][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  762.929068][   T10]      ipv6_find_idev+0x102/0x170
[  762.929068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  762.929068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  762.929068][   T10]      netlink_rcv_skb+0x130/0x360
[  762.929068][   T10]      netlink_unicast+0x449/0x710
[  762.929068][   T10]      netlink_sendmsg+0x723/0xbe0
[  762.929068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  762.929068][   T10]      ___sys_sendmsg+0xee/0x170
[  762.929068][   T10]      __sys_sendmsg+0xcd/0x170
[  762.929068][   T10]      do_syscall_64+0xc6/0x1e0
[  762.929068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  762.929068][   T10] 
[  773.073216][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  773.073640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.073640][   T10]      dst_init+0x84/0x4a0
[  773.073640][   T10]      dst_alloc+0x97/0x150
[  773.073640][   T10]      ip6_dst_alloc+0x23/0x90
[  773.073640][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  773.073640][   T10]      ip6_pol_route+0x56f/0x840
[  773.073640][   T10]      fib6_rule_lookup+0x456/0x630
[  773.073640][   T10]      ip6_route_input+0x59c/0xa50
[  773.073640][   T10]      ipv6_rcv+0x397/0x810
[  773.073640][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  773.073640][   T10]      process_backlog+0x101/0x620
[  773.073640][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  773.073640][   T10]      net_rx_action+0x495/0xbe0
[  773.073640][   T10]      __do_softirq+0x1b5/0x7f6
[  773.073640][   T10] 
[  773.075347][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.075347][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  773.075347][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  773.075347][   T10]      fib6_nh_init+0xa22/0x1580
[  773.075347][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.075347][   T10]      ip6_route_add+0x1c/0x140
[  773.075347][   T10]      inet6_rtm_newroute+0x104/0x110
[  773.075347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.075347][   T10]      netlink_rcv_skb+0x130/0x360
[  773.075347][   T10]      netlink_unicast+0x449/0x710
[  773.075347][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.075347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.075347][   T10]      ___sys_sendmsg+0xee/0x170
[  773.075347][   T10]      __sys_sendmsg+0xcd/0x170
[  773.075347][   T10]      do_syscall_64+0xc6/0x1e0
[  773.075347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.075347][   T10] 
[  773.077262][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.077262][   T10]      netdev_get_by_index+0x5e/0x80
[  773.077262][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.077262][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.077262][   T10]      addrconf_f6i_alloc+0x265/0x560
[  773.077262][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  773.077262][   T10]      addrconf_join_anycast+0x1c0/0x220
[  773.077262][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  773.077262][   T10]      addrconf_dad_completed+0x12b/0xe20
[  773.077262][   T10]      addrconf_dad_begin+0x310/0x670
[  773.077262][   T10]      addrconf_dad_work+0x10b/0xab0
[  773.077262][   T10]      process_one_work+0x84d/0x18a0
[  773.077262][   T10]      worker_thread+0x587/0xd30
[  773.077262][   T10]      kthread+0x28a/0x350
[  773.077262][   T10]      ret_from_fork+0x31/0x70
[  773.077262][   T10]      ret_from_fork_asm+0x1a/0x30
[  773.077262][   T10] 
[  773.079275][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.079275][   T10]      netdev_get_by_index+0x5e/0x80
[  773.079275][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.079275][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.079275][   T10]      ip6_route_add+0x1c/0x140
[  773.079275][   T10]      addrconf_prefix_route+0x2a6/0x430
[  773.079275][   T10]      inet6_addr_add+0x4f8/0xa40
[  773.079275][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.079275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.079275][   T10]      netlink_rcv_skb+0x130/0x360
[  773.079275][   T10]      netlink_unicast+0x449/0x710
[  773.079275][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.079275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.079275][   T10]      ___sys_sendmsg+0xee/0x170
[  773.079275][   T10]      __sys_sendmsg+0xcd/0x170
[  773.079275][   T10]      do_syscall_64+0xc6/0x1e0
[  773.079275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.079275][   T10] 
[  773.081353][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.081353][   T10]      netdev_get_by_index+0x5e/0x80
[  773.081353][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.081353][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.081353][   T10]      addrconf_f6i_alloc+0x315/0x560
[  773.081353][   T10]      ipv6_add_addr+0x411/0x2000
[  773.081353][   T10]      inet6_addr_add+0x30e/0xa40
[  773.081353][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.081353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.081353][   T10]      netlink_rcv_skb+0x130/0x360
[  773.081353][   T10]      netlink_unicast+0x449/0x710
[  773.081353][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.081353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.081353][   T10]      ___sys_sendmsg+0xee/0x170
[  773.081353][   T10]      __sys_sendmsg+0xcd/0x170
[  773.081353][   T10]      do_syscall_64+0xc6/0x1e0
[  773.081353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.081353][   T10] 
[  773.083399][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.083399][   T10]      netdev_get_by_index+0x5e/0x80
[  773.083399][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.083399][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.083399][   T10]      ip6_route_add+0x1c/0x140
[  773.083399][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  773.083399][   T10]      addrconf_add_dev+0xe2/0x170
[  773.083399][   T10]      inet6_addr_add+0x12f/0xa40
[  773.083399][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.083399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.083399][   T10]      netlink_rcv_skb+0x130/0x360
[  773.083399][   T10]      netlink_unicast+0x449/0x710
[  773.083399][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.083399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.083399][   T10]      ___sys_sendmsg+0xee/0x170
[  773.083399][   T10]      __sys_sendmsg+0xcd/0x170
[  773.083399][   T10]      do_syscall_64+0xc6/0x1e0
[  773.083399][   T10] 
[  773.085442][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.085442][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  773.085442][   T10]      ipv6_find_idev+0x102/0x170
[  773.085442][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.085442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.085442][   T10]      netlink_rcv_skb+0x130/0x360
[  773.085442][   T10]      netlink_unicast+0x449/0x710
[  773.085442][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.085442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.085442][   T10]      ___sys_sendmsg+0xee/0x170
[  773.085442][   T10]      __sys_sendmsg+0xcd/0x170
[  773.085442][   T10]      do_syscall_64+0xc6/0x1e0
[  773.085442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.085442][   T10] 
[  773.087184][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  773.087184][   T10]      neigh_parms_alloc+0x1e5/0x510
[  773.087184][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  773.087184][   T10]      ipv6_find_idev+0x102/0x170
[  773.087184][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.087184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.087184][   T10]      netlink_rcv_skb+0x130/0x360
[  773.087184][   T10]      netlink_unicast+0x449/0x710
[  773.087184][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.087184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.087184][   T10]      ___sys_sendmsg+0xee/0x170
[  773.087184][   T10]      __sys_sendmsg+0xcd/0x170
[  773.087184][   T10]      do_syscall_64+0xc6/0x1e0
[  773.087184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.087184][   T10] 
[  773.089022][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  773.089325][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.089325][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  773.089325][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  773.089325][   T10]      fib6_nh_init+0xa22/0x1580
[  773.089325][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.089325][   T10]      ip6_route_add+0x1c/0x140
[  773.089325][   T10]      inet6_rtm_newroute+0x104/0x110
[  773.089325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.089325][   T10]      netlink_rcv_skb+0x130/0x360
[  773.089325][   T10]      netlink_unicast+0x449/0x710
[  773.089325][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.089325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.089325][   T10]      ___sys_sendmsg+0xee/0x170
[  773.089325][   T10]      __sys_sendmsg+0xcd/0x170
[  773.089325][   T10]      do_syscall_64+0xc6/0x1e0
[  773.089325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.089325][   T10] 
[  773.091437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.091437][   T10]      dst_init+0x84/0x4a0
[  773.091437][   T10]      dst_alloc+0x97/0x150
[  773.091437][   T10]      ip6_dst_alloc+0x23/0x90
[  773.091437][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  773.091437][   T10]      ip6_pol_route+0x56f/0x840
[  773.091437][   T10]      fib6_rule_lookup+0x456/0x630
[  773.091437][   T10]      ip6_route_input+0x59c/0xa50
[  773.091437][   T10]      ipv6_rcv+0x397/0x810
[  773.091437][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  773.091437][   T10]      process_backlog+0x101/0x620
[  773.091437][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  773.091437][   T10]      net_rx_action+0x495/0xbe0
[  773.091437][   T10]      __do_softirq+0x1b5/0x7f6
[  773.091437][   T10] 
[  773.093265][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.093265][   T10]      netdev_get_by_index+0x5e/0x80
[  773.093265][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.093265][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.093265][   T10]      addrconf_f6i_alloc+0x265/0x560
[  773.093265][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  773.093265][   T10]      addrconf_join_anycast+0x1c0/0x220
[  773.093265][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  773.093265][   T10]      addrconf_dad_completed+0x12b/0xe20
[  773.093265][   T10]      addrconf_dad_begin+0x310/0x670
[  773.093265][   T10]      addrconf_dad_work+0x10b/0xab0
[  773.093265][   T10]      process_one_work+0x84d/0x18a0
[  773.093265][   T10]      worker_thread+0x587/0xd30
[  773.093265][   T10]      kthread+0x28a/0x350
[  773.093265][   T10]      ret_from_fork+0x31/0x70
[  773.093265][   T10]      ret_from_fork_asm+0x1a/0x30
[  773.093265][   T10] 
[  773.095749][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.095749][   T10]      netdev_get_by_index+0x5e/0x80
[  773.095749][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.095749][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.095749][   T10]      ip6_route_add+0x1c/0x140
[  773.095749][   T10]      addrconf_prefix_route+0x2a6/0x430
[  773.095749][   T10]      inet6_addr_add+0x4f8/0xa40
[  773.095749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.095749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.095749][   T10]      netlink_rcv_skb+0x130/0x360
[  773.095749][   T10]      netlink_unicast+0x449/0x710
[  773.095749][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.095749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.095749][   T10]      ___sys_sendmsg+0xee/0x170
[  773.095749][   T10]      __sys_sendmsg+0xcd/0x170
[  773.095749][   T10]      do_syscall_64+0xc6/0x1e0
[  773.095749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.095749][   T10] 
[  773.098291][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.098291][   T10]      netdev_get_by_index+0x5e/0x80
[  773.098291][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.098291][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.098291][   T10]      addrconf_f6i_alloc+0x315/0x560
[  773.098291][   T10]      ipv6_add_addr+0x411/0x2000
[  773.098291][   T10]      inet6_addr_add+0x30e/0xa40
[  773.098291][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.098291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.098291][   T10]      netlink_rcv_skb+0x130/0x360
[  773.098291][   T10]      netlink_unicast+0x449/0x710
[  773.098291][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.098291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.098291][   T10]      ___sys_sendmsg+0xee/0x170
[  773.098291][   T10]      __sys_sendmsg+0xcd/0x170
[  773.098291][   T10]      do_syscall_64+0xc6/0x1e0
[  773.098291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.098291][   T10] 
[  773.100568][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.100568][   T10]      netdev_get_by_index+0x5e/0x80
[  773.100568][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.100568][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.100568][   T10]      ip6_route_add+0x1c/0x140
[  773.100568][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  773.100568][   T10]      addrconf_add_dev+0xe2/0x170
[  773.100568][   T10]      inet6_addr_add+0x12f/0xa40
[  773.100568][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.100568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.100568][   T10]      netlink_rcv_skb+0x130/0x360
[  773.100568][   T10]      netlink_unicast+0x449/0x710
[  773.100568][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.100568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.100568][   T10]      ___sys_sendmsg+0xee/0x170
[  773.100568][   T10]      __sys_sendmsg+0xcd/0x170
[  773.100568][   T10]      do_syscall_64+0xc6/0x1e0
[  773.100568][   T10] 
[  773.103010][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.103010][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  773.103010][   T10]      ipv6_find_idev+0x102/0x170
[  773.103010][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.103010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.103010][   T10]      netlink_rcv_skb+0x130/0x360
[  773.103010][   T10]      netlink_unicast+0x449/0x710
[  773.103010][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.103010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.103010][   T10]      ___sys_sendmsg+0xee/0x170
[  773.103010][   T10]      __sys_sendmsg+0xcd/0x170
[  773.103010][   T10]      do_syscall_64+0xc6/0x1e0
[  773.103010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.103010][   T10] 
[  773.105026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  773.105026][   T10]      neigh_parms_alloc+0x1e5/0x510
[  773.105026][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  773.105026][   T10]      ipv6_find_idev+0x102/0x170
[  773.105026][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.105026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.105026][   T10]      netlink_rcv_skb+0x130/0x360
[  773.105026][   T10]      netlink_unicast+0x449/0x710
[  773.105026][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.105026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.105026][   T10]      ___sys_sendmsg+0xee/0x170
[  773.105026][   T10]      __sys_sendmsg+0xcd/0x170
[  773.105026][   T10]      do_syscall_64+0xc6/0x1e0
[  773.105026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.105026][   T10] 
[  773.106960][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  773.107213][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  773.107213][   T10]      netdev_get_by_index+0x5e/0x80
[  773.107213][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.107213][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.107213][   T10]      ip6_route_add+0x1c/0x140
[  773.107213][   T10]      addrconf_prefix_route+0x2a6/0x430
[  773.107213][   T10]      inet6_addr_add+0x4f8/0xa40
[  773.107213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.107213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.107213][   T10]      netlink_rcv_skb+0x130/0x360
[  773.107213][   T10]      netlink_unicast+0x449/0x710
[  773.107213][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.107213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.107213][   T10]      ___sys_sendmsg+0xee/0x170
[  773.107213][   T10]      __sys_sendmsg+0xcd/0x170
[  773.107213][   T10]      do_syscall_64+0xc6/0x1e0
[  773.107213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.107213][   T10] 
[  773.109615][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  773.109615][   T10]      netdev_get_by_index+0x5e/0x80
[  773.109615][   T10]      fib6_nh_init+0x3d8/0x1580
[  773.109615][   T10]      ip6_route_info_create+0xf18/0x17d0
[  773.109615][   T10]      addrconf_f6i_alloc+0x315/0x560
[  773.109615][   T10]      ipv6_add_addr+0x411/0x2000
[  773.109615][   T10]      inet6_addr_add+0x30e/0xa40
[  773.109615][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  773.109615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.109615][   T10]      netlink_rcv_skb+0x130/0x360
[  773.109615][   T10]      netlink_unicast+0x449/0x710
[  773.109615][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.109615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.109615][   T10]      ___sys_sendmsg+0xee/0x170
[  773.109615][   T10]      __sys_sendmsg+0xcd/0x170
[  773.109615][   T10]      do_syscall_64+0xc6/0x1e0
[  773.109615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.109615][   T10] 
[  773.112234][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  773.112234][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  773.112234][   T10]      ipv6_find_idev+0x102/0x170
[  773.112234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.112234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.112234][   T10]      netlink_rcv_skb+0x130/0x360
[  773.112234][   T10]      netlink_unicast+0x449/0x710
[  773.112234][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.112234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.112234][   T10]      ___sys_sendmsg+0xee/0x170
[  773.112234][   T10]      __sys_sendmsg+0xcd/0x170
[  773.112234][   T10]      do_syscall_64+0xc6/0x1e0
[  773.112234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.112234][   T10] 
[  773.114013][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  773.114013][   T10]      neigh_parms_alloc+0x1e5/0x510
[  773.114013][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  773.114013][   T10]      ipv6_find_idev+0x102/0x170
[  773.114013][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  773.114013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  773.114013][   T10]      netlink_rcv_skb+0x130/0x360
[  773.114013][   T10]      netlink_unicast+0x449/0x710
[  773.114013][   T10]      netlink_sendmsg+0x723/0xbe0
[  773.114013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  773.114013][   T10]      ___sys_sendmsg+0xee/0x170
[  773.114013][   T10]      __sys_sendmsg+0xcd/0x170
[  773.114013][   T10]      do_syscall_64+0xc6/0x1e0
[  773.114013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  773.114013][   T10] 
[  783.216617][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  783.217046][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.217046][   T10]      dst_init+0x84/0x4a0
[  783.217046][   T10]      dst_alloc+0x97/0x150
[  783.217046][   T10]      ip6_dst_alloc+0x23/0x90
[  783.217046][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  783.217046][   T10]      ip6_pol_route+0x56f/0x840
[  783.217046][   T10]      fib6_rule_lookup+0x456/0x630
[  783.217046][   T10]      ip6_route_input+0x59c/0xa50
[  783.217046][   T10]      ipv6_rcv+0x397/0x810
[  783.217046][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  783.217046][   T10]      process_backlog+0x101/0x620
[  783.217046][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  783.217046][   T10]      net_rx_action+0x495/0xbe0
[  783.217046][   T10]      __do_softirq+0x1b5/0x7f6
[  783.217046][   T10] 
[  783.218748][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.218748][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  783.218748][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  783.218748][   T10]      fib6_nh_init+0xa22/0x1580
[  783.218748][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.218748][   T10]      ip6_route_add+0x1c/0x140
[  783.218748][   T10]      inet6_rtm_newroute+0x104/0x110
[  783.218748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.218748][   T10]      netlink_rcv_skb+0x130/0x360
[  783.218748][   T10]      netlink_unicast+0x449/0x710
[  783.218748][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.218748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.218748][   T10]      ___sys_sendmsg+0xee/0x170
[  783.218748][   T10]      __sys_sendmsg+0xcd/0x170
[  783.218748][   T10]      do_syscall_64+0xc6/0x1e0
[  783.218748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.218748][   T10] 
[  783.220668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.220668][   T10]      netdev_get_by_index+0x5e/0x80
[  783.220668][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.220668][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.220668][   T10]      addrconf_f6i_alloc+0x265/0x560
[  783.220668][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  783.220668][   T10]      addrconf_join_anycast+0x1c0/0x220
[  783.220668][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  783.220668][   T10]      addrconf_dad_completed+0x12b/0xe20
[  783.220668][   T10]      addrconf_dad_begin+0x310/0x670
[  783.220668][   T10]      addrconf_dad_work+0x10b/0xab0
[  783.220668][   T10]      process_one_work+0x84d/0x18a0
[  783.220668][   T10]      worker_thread+0x587/0xd30
[  783.220668][   T10]      kthread+0x28a/0x350
[  783.220668][   T10]      ret_from_fork+0x31/0x70
[  783.220668][   T10]      ret_from_fork_asm+0x1a/0x30
[  783.220668][   T10] 
[  783.222687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.222687][   T10]      netdev_get_by_index+0x5e/0x80
[  783.222687][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.222687][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.222687][   T10]      ip6_route_add+0x1c/0x140
[  783.222687][   T10]      addrconf_prefix_route+0x2a6/0x430
[  783.222687][   T10]      inet6_addr_add+0x4f8/0xa40
[  783.222687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.222687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.222687][   T10]      netlink_rcv_skb+0x130/0x360
[  783.222687][   T10]      netlink_unicast+0x449/0x710
[  783.222687][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.222687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.222687][   T10]      ___sys_sendmsg+0xee/0x170
[  783.222687][   T10]      __sys_sendmsg+0xcd/0x170
[  783.222687][   T10]      do_syscall_64+0xc6/0x1e0
[  783.222687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.222687][   T10] 
[  783.224750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.224750][   T10]      netdev_get_by_index+0x5e/0x80
[  783.224750][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.224750][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.224750][   T10]      addrconf_f6i_alloc+0x315/0x560
[  783.224750][   T10]      ipv6_add_addr+0x411/0x2000
[  783.224750][   T10]      inet6_addr_add+0x30e/0xa40
[  783.224750][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.224750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.224750][   T10]      netlink_rcv_skb+0x130/0x360
[  783.224750][   T10]      netlink_unicast+0x449/0x710
[  783.224750][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.224750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.224750][   T10]      ___sys_sendmsg+0xee/0x170
[  783.224750][   T10]      __sys_sendmsg+0xcd/0x170
[  783.224750][   T10]      do_syscall_64+0xc6/0x1e0
[  783.224750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.224750][   T10] 
[  783.226956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.226956][   T10]      netdev_get_by_index+0x5e/0x80
[  783.226956][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.226956][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.226956][   T10]      ip6_route_add+0x1c/0x140
[  783.226956][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  783.226956][   T10]      addrconf_add_dev+0xe2/0x170
[  783.226956][   T10]      inet6_addr_add+0x12f/0xa40
[  783.226956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.226956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.226956][   T10]      netlink_rcv_skb+0x130/0x360
[  783.226956][   T10]      netlink_unicast+0x449/0x710
[  783.226956][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.226956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.226956][   T10]      ___sys_sendmsg+0xee/0x170
[  783.226956][   T10]      __sys_sendmsg+0xcd/0x170
[  783.226956][   T10]      do_syscall_64+0xc6/0x1e0
[  783.226956][   T10] 
[  783.229272][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.229272][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  783.229272][   T10]      ipv6_find_idev+0x102/0x170
[  783.229272][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  783.229272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.229272][   T10]      netlink_rcv_skb+0x130/0x360
[  783.229272][   T10]      netlink_unicast+0x449/0x710
[  783.229272][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.229272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.229272][   T10]      ___sys_sendmsg+0xee/0x170
[  783.229272][   T10]      __sys_sendmsg+0xcd/0x170
[  783.229272][   T10]      do_syscall_64+0xc6/0x1e0
[  783.229272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.229272][   T10] 
[  783.231009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  783.231009][   T10]      neigh_parms_alloc+0x1e5/0x510
[  783.231009][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  783.231009][   T10]      ipv6_find_idev+0x102/0x170
[  783.231009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  783.231009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.231009][   T10]      netlink_rcv_skb+0x130/0x360
[  783.231009][   T10]      netlink_unicast+0x449/0x710
[  783.231009][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.231009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.231009][   T10]      ___sys_sendmsg+0xee/0x170
[  783.231009][   T10]      __sys_sendmsg+0xcd/0x170
[  783.231009][   T10]      do_syscall_64+0xc6/0x1e0
[  783.231009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.231009][   T10] 
[  783.232989][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  783.233391][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.233391][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  783.233391][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  783.233391][   T10]      fib6_nh_init+0xa22/0x1580
[  783.233391][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.233391][   T10]      ip6_route_add+0x1c/0x140
[  783.233391][   T10]      inet6_rtm_newroute+0x104/0x110
[  783.233391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.233391][   T10]      netlink_rcv_skb+0x130/0x360
[  783.233391][   T10]      netlink_unicast+0x449/0x710
[  783.233391][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.233391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.233391][   T10]      ___sys_sendmsg+0xee/0x170
[  783.233391][   T10]      __sys_sendmsg+0xcd/0x170
[  783.233391][   T10]      do_syscall_64+0xc6/0x1e0
[  783.233391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.233391][   T10] 
[  783.235957][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.235957][   T10]      dst_init+0x84/0x4a0
[  783.235957][   T10]      dst_alloc+0x97/0x150
[  783.235957][   T10]      ip6_dst_alloc+0x23/0x90
[  783.235957][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  783.235957][   T10]      ip6_pol_route+0x56f/0x840
[  783.235957][   T10]      fib6_rule_lookup+0x456/0x630
[  783.235957][   T10]      ip6_route_input+0x59c/0xa50
[  783.235957][   T10]      ipv6_rcv+0x397/0x810
[  783.235957][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  783.235957][   T10]      process_backlog+0x101/0x620
[  783.235957][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  783.235957][   T10]      net_rx_action+0x495/0xbe0
[  783.235957][   T10]      __do_softirq+0x1b5/0x7f6
[  783.235957][   T10] 
[  783.238041][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.238041][   T10]      netdev_get_by_index+0x5e/0x80
[  783.238041][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.238041][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.238041][   T10]      addrconf_f6i_alloc+0x265/0x560
[  783.238041][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  783.238041][   T10]      addrconf_join_anycast+0x1c0/0x220
[  783.238041][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  783.238041][   T10]      addrconf_dad_completed+0x12b/0xe20
[  783.238041][   T10]      addrconf_dad_begin+0x310/0x670
[  783.238041][   T10]      addrconf_dad_work+0x10b/0xab0
[  783.238041][   T10]      process_one_work+0x84d/0x18a0
[  783.238041][   T10]      worker_thread+0x587/0xd30
[  783.238041][   T10]      kthread+0x28a/0x350
[  783.238041][   T10]      ret_from_fork+0x31/0x70
[  783.238041][   T10]      ret_from_fork_asm+0x1a/0x30
[  783.238041][   T10] 
[  783.240263][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.240263][   T10]      netdev_get_by_index+0x5e/0x80
[  783.240263][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.240263][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.240263][   T10]      ip6_route_add+0x1c/0x140
[  783.240263][   T10]      addrconf_prefix_route+0x2a6/0x430
[  783.240263][   T10]      inet6_addr_add+0x4f8/0xa40
[  783.240263][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.240263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.240263][   T10]      netlink_rcv_skb+0x130/0x360
[  783.240263][   T10]      netlink_unicast+0x449/0x710
[  783.240263][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.240263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.240263][   T10]      ___sys_sendmsg+0xee/0x170
[  783.240263][   T10]      __sys_sendmsg+0xcd/0x170
[  783.240263][   T10]      do_syscall_64+0xc6/0x1e0
[  783.240263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.240263][   T10] 
[  783.242414][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.242414][   T10]      netdev_get_by_index+0x5e/0x80
[  783.242414][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.242414][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.242414][   T10]      addrconf_f6i_alloc+0x315/0x560
[  783.242414][   T10]      ipv6_add_addr+0x411/0x2000
[  783.242414][   T10]      inet6_addr_add+0x30e/0xa40
[  783.242414][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.242414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.242414][   T10]      netlink_rcv_skb+0x130/0x360
[  783.242414][   T10]      netlink_unicast+0x449/0x710
[  783.242414][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.242414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.242414][   T10]      ___sys_sendmsg+0xee/0x170
[  783.242414][   T10]      __sys_sendmsg+0xcd/0x170
[  783.242414][   T10]      do_syscall_64+0xc6/0x1e0
[  783.242414][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.242414][   T10] 
[  783.244830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.244830][   T10]      netdev_get_by_index+0x5e/0x80
[  783.244830][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.244830][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.244830][   T10]      ip6_route_add+0x1c/0x140
[  783.244830][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  783.244830][   T10]      addrconf_add_dev+0xe2/0x170
[  783.244830][   T10]      inet6_addr_add+0x12f/0xa40
[  783.244830][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.244830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.244830][   T10]      netlink_rcv_skb+0x130/0x360
[  783.244830][   T10]      netlink_unicast+0x449/0x710
[  783.244830][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.244830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.244830][   T10]      ___sys_sendmsg+0xee/0x170
[  783.244830][   T10]      __sys_sendmsg+0xcd/0x170
[  783.244830][   T10]      do_syscall_64+0xc6/0x1e0
[  783.244830][   T10] 
[  783.247120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.247120][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  783.247120][   T10]      ipv6_find_idev+0x102/0x170
[  783.247120][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  783.247120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.247120][   T10]      netlink_rcv_skb+0x130/0x360
[  783.247120][   T10]      netlink_unicast+0x449/0x710
[  783.247120][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.247120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.247120][   T10]      ___sys_sendmsg+0xee/0x170
[  783.247120][   T10]      __sys_sendmsg+0xcd/0x170
[  783.247120][   T10]      do_syscall_64+0xc6/0x1e0
[  783.247120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.247120][   T10] 
[  783.248727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  783.248727][   T10]      neigh_parms_alloc+0x1e5/0x510
[  783.248727][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  783.248727][   T10]      ipv6_find_idev+0x102/0x170
[  783.248727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  783.248727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.248727][   T10]      netlink_rcv_skb+0x130/0x360
[  783.248727][   T10]      netlink_unicast+0x449/0x710
[  783.248727][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.248727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.248727][   T10]      ___sys_sendmsg+0xee/0x170
[  783.248727][   T10]      __sys_sendmsg+0xcd/0x170
[  783.248727][   T10]      do_syscall_64+0xc6/0x1e0
[  783.248727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.248727][   T10] 
[  783.250793][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  783.251033][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  783.251033][   T10]      netdev_get_by_index+0x5e/0x80
[  783.251033][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.251033][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.251033][   T10]      ip6_route_add+0x1c/0x140
[  783.251033][   T10]      addrconf_prefix_route+0x2a6/0x430
[  783.251033][   T10]      inet6_addr_add+0x4f8/0xa40
[  783.251033][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.251033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.251033][   T10]      netlink_rcv_skb+0x130/0x360
[  783.251033][   T10]      netlink_unicast+0x449/0x710
[  783.251033][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.251033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.251033][   T10]      ___sys_sendmsg+0xee/0x170
[  783.251033][   T10]      __sys_sendmsg+0xcd/0x170
[  783.251033][   T10]      do_syscall_64+0xc6/0x1e0
[  783.251033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.251033][   T10] 
[  783.253341][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  783.253341][   T10]      netdev_get_by_index+0x5e/0x80
[  783.253341][   T10]      fib6_nh_init+0x3d8/0x1580
[  783.253341][   T10]      ip6_route_info_create+0xf18/0x17d0
[  783.253341][   T10]      addrconf_f6i_alloc+0x315/0x560
[  783.253341][   T10]      ipv6_add_addr+0x411/0x2000
[  783.253341][   T10]      inet6_addr_add+0x30e/0xa40
[  783.253341][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  783.253341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.253341][   T10]      netlink_rcv_skb+0x130/0x360
[  783.253341][   T10]      netlink_unicast+0x449/0x710
[  783.253341][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.253341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.253341][   T10]      ___sys_sendmsg+0xee/0x170
[  783.253341][   T10]      __sys_sendmsg+0xcd/0x170
[  783.253341][   T10]      do_syscall_64+0xc6/0x1e0
[  783.253341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.253341][   T10] 
[  783.255385][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  783.255385][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  783.255385][   T10]      ipv6_find_idev+0x102/0x170
[  783.255385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  783.255385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.255385][   T10]      netlink_rcv_skb+0x130/0x360
[  783.255385][   T10]      netlink_unicast+0x449/0x710
[  783.255385][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.255385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.255385][   T10]      ___sys_sendmsg+0xee/0x170
[  783.255385][   T10]      __sys_sendmsg+0xcd/0x170
[  783.255385][   T10]      do_syscall_64+0xc6/0x1e0
[  783.255385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.255385][   T10] 
[  783.257069][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  783.257069][   T10]      neigh_parms_alloc+0x1e5/0x510
[  783.257069][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  783.257069][   T10]      ipv6_find_idev+0x102/0x170
[  783.257069][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  783.257069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  783.257069][   T10]      netlink_rcv_skb+0x130/0x360
[  783.257069][   T10]      netlink_unicast+0x449/0x710
[  783.257069][   T10]      netlink_sendmsg+0x723/0xbe0
[  783.257069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  783.257069][   T10]      ___sys_sendmsg+0xee/0x170
[  783.257069][   T10]      __sys_sendmsg+0xcd/0x170
[  783.257069][   T10]      do_syscall_64+0xc6/0x1e0
[  783.257069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  783.257069][   T10] 
[  793.393614][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  793.394163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.394163][   T10]      dst_init+0x84/0x4a0
[  793.394163][   T10]      dst_alloc+0x97/0x150
[  793.394163][   T10]      ip6_dst_alloc+0x23/0x90
[  793.394163][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  793.394163][   T10]      ip6_pol_route+0x56f/0x840
[  793.394163][   T10]      fib6_rule_lookup+0x456/0x630
[  793.394163][   T10]      ip6_route_input+0x59c/0xa50
[  793.394163][   T10]      ipv6_rcv+0x397/0x810
[  793.394163][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  793.394163][   T10]      process_backlog+0x101/0x620
[  793.394163][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  793.394163][   T10]      net_rx_action+0x495/0xbe0
[  793.394163][   T10]      __do_softirq+0x1b5/0x7f6
[  793.394163][   T10] 
[  793.395986][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.395986][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  793.395986][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  793.395986][   T10]      fib6_nh_init+0xa22/0x1580
[  793.395986][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.395986][   T10]      ip6_route_add+0x1c/0x140
[  793.395986][   T10]      inet6_rtm_newroute+0x104/0x110
[  793.395986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.395986][   T10]      netlink_rcv_skb+0x130/0x360
[  793.395986][   T10]      netlink_unicast+0x449/0x710
[  793.395986][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.395986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.395986][   T10]      ___sys_sendmsg+0xee/0x170
[  793.395986][   T10]      __sys_sendmsg+0xcd/0x170
[  793.395986][   T10]      do_syscall_64+0xc6/0x1e0
[  793.395986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.395986][   T10] 
[  793.398006][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.398006][   T10]      netdev_get_by_index+0x5e/0x80
[  793.398006][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.398006][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.398006][   T10]      addrconf_f6i_alloc+0x265/0x560
[  793.398006][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  793.398006][   T10]      addrconf_join_anycast+0x1c0/0x220
[  793.398006][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  793.398006][   T10]      addrconf_dad_completed+0x12b/0xe20
[  793.398006][   T10]      addrconf_dad_begin+0x310/0x670
[  793.398006][   T10]      addrconf_dad_work+0x10b/0xab0
[  793.398006][   T10]      process_one_work+0x84d/0x18a0
[  793.398006][   T10]      worker_thread+0x587/0xd30
[  793.398006][   T10]      kthread+0x28a/0x350
[  793.398006][   T10]      ret_from_fork+0x31/0x70
[  793.398006][   T10]      ret_from_fork_asm+0x1a/0x30
[  793.398006][   T10] 
[  793.400011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.400011][   T10]      netdev_get_by_index+0x5e/0x80
[  793.400011][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.400011][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.400011][   T10]      ip6_route_add+0x1c/0x140
[  793.400011][   T10]      addrconf_prefix_route+0x2a6/0x430
[  793.400011][   T10]      inet6_addr_add+0x4f8/0xa40
[  793.400011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.400011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.400011][   T10]      netlink_rcv_skb+0x130/0x360
[  793.400011][   T10]      netlink_unicast+0x449/0x710
[  793.400011][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.400011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.400011][   T10]      ___sys_sendmsg+0xee/0x170
[  793.400011][   T10]      __sys_sendmsg+0xcd/0x170
[  793.400011][   T10]      do_syscall_64+0xc6/0x1e0
[  793.400011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.400011][   T10] 
[  793.402167][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.402167][   T10]      netdev_get_by_index+0x5e/0x80
[  793.402167][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.402167][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.402167][   T10]      addrconf_f6i_alloc+0x315/0x560
[  793.402167][   T10]      ipv6_add_addr+0x411/0x2000
[  793.402167][   T10]      inet6_addr_add+0x30e/0xa40
[  793.402167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.402167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.402167][   T10]      netlink_rcv_skb+0x130/0x360
[  793.402167][   T10]      netlink_unicast+0x449/0x710
[  793.402167][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.402167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.402167][   T10]      ___sys_sendmsg+0xee/0x170
[  793.402167][   T10]      __sys_sendmsg+0xcd/0x170
[  793.402167][   T10]      do_syscall_64+0xc6/0x1e0
[  793.402167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.402167][   T10] 
[  793.404289][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.404289][   T10]      netdev_get_by_index+0x5e/0x80
[  793.404289][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.404289][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.404289][   T10]      ip6_route_add+0x1c/0x140
[  793.404289][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  793.404289][   T10]      addrconf_add_dev+0xe2/0x170
[  793.404289][   T10]      inet6_addr_add+0x12f/0xa40
[  793.404289][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.404289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.404289][   T10]      netlink_rcv_skb+0x130/0x360
[  793.404289][   T10]      netlink_unicast+0x449/0x710
[  793.404289][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.404289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.404289][   T10]      ___sys_sendmsg+0xee/0x170
[  793.404289][   T10]      __sys_sendmsg+0xcd/0x170
[  793.404289][   T10]      do_syscall_64+0xc6/0x1e0
[  793.404289][   T10] 
[  793.406634][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.406634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  793.406634][   T10]      ipv6_find_idev+0x102/0x170
[  793.406634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  793.406634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.406634][   T10]      netlink_rcv_skb+0x130/0x360
[  793.406634][   T10]      netlink_unicast+0x449/0x710
[  793.406634][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.406634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.406634][   T10]      ___sys_sendmsg+0xee/0x170
[  793.406634][   T10]      __sys_sendmsg+0xcd/0x170
[  793.406634][   T10]      do_syscall_64+0xc6/0x1e0
[  793.406634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.406634][   T10] 
[  793.408422][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  793.408422][   T10]      neigh_parms_alloc+0x1e5/0x510
[  793.408422][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  793.408422][   T10]      ipv6_find_idev+0x102/0x170
[  793.408422][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  793.408422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.408422][   T10]      netlink_rcv_skb+0x130/0x360
[  793.408422][   T10]      netlink_unicast+0x449/0x710
[  793.408422][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.408422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.408422][   T10]      ___sys_sendmsg+0xee/0x170
[  793.408422][   T10]      __sys_sendmsg+0xcd/0x170
[  793.408422][   T10]      do_syscall_64+0xc6/0x1e0
[  793.408422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.408422][   T10] 
[  793.410398][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  793.410665][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.410665][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  793.410665][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  793.410665][   T10]      fib6_nh_init+0xa22/0x1580
[  793.410665][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.410665][   T10]      ip6_route_add+0x1c/0x140
[  793.410665][   T10]      inet6_rtm_newroute+0x104/0x110
[  793.410665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.410665][   T10]      netlink_rcv_skb+0x130/0x360
[  793.410665][   T10]      netlink_unicast+0x449/0x710
[  793.410665][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.410665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.410665][   T10]      ___sys_sendmsg+0xee/0x170
[  793.410665][   T10]      __sys_sendmsg+0xcd/0x170
[  793.410665][   T10]      do_syscall_64+0xc6/0x1e0
[  793.410665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.410665][   T10] 
[  793.413001][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.413001][   T10]      dst_init+0x84/0x4a0
[  793.413001][   T10]      dst_alloc+0x97/0x150
[  793.413001][   T10]      ip6_dst_alloc+0x23/0x90
[  793.413001][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  793.413001][   T10]      ip6_pol_route+0x56f/0x840
[  793.413001][   T10]      fib6_rule_lookup+0x456/0x630
[  793.413001][   T10]      ip6_route_input+0x59c/0xa50
[  793.413001][   T10]      ipv6_rcv+0x397/0x810
[  793.413001][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  793.413001][   T10]      process_backlog+0x101/0x620
[  793.413001][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  793.413001][   T10]      net_rx_action+0x495/0xbe0
[  793.413001][   T10]      __do_softirq+0x1b5/0x7f6
[  793.413001][   T10] 
[  793.414869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.414869][   T10]      netdev_get_by_index+0x5e/0x80
[  793.414869][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.414869][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.414869][   T10]      addrconf_f6i_alloc+0x265/0x560
[  793.414869][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  793.414869][   T10]      addrconf_join_anycast+0x1c0/0x220
[  793.414869][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  793.414869][   T10]      addrconf_dad_completed+0x12b/0xe20
[  793.414869][   T10]      addrconf_dad_begin+0x310/0x670
[  793.414869][   T10]      addrconf_dad_work+0x10b/0xab0
[  793.414869][   T10]      process_one_work+0x84d/0x18a0
[  793.414869][   T10]      worker_thread+0x587/0xd30
[  793.414869][   T10]      kthread+0x28a/0x350
[  793.414869][   T10]      ret_from_fork+0x31/0x70
[  793.414869][   T10]      ret_from_fork_asm+0x1a/0x30
[  793.414869][   T10] 
[  793.416911][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.416911][   T10]      netdev_get_by_index+0x5e/0x80
[  793.416911][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.416911][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.416911][   T10]      ip6_route_add+0x1c/0x140
[  793.416911][   T10]      addrconf_prefix_route+0x2a6/0x430
[  793.416911][   T10]      inet6_addr_add+0x4f8/0xa40
[  793.416911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.416911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.416911][   T10]      netlink_rcv_skb+0x130/0x360
[  793.416911][   T10]      netlink_unicast+0x449/0x710
[  793.416911][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.416911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.416911][   T10]      ___sys_sendmsg+0xee/0x170
[  793.416911][   T10]      __sys_sendmsg+0xcd/0x170
[  793.416911][   T10]      do_syscall_64+0xc6/0x1e0
[  793.416911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.416911][   T10] 
[  793.419365][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.419365][   T10]      netdev_get_by_index+0x5e/0x80
[  793.419365][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.419365][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.419365][   T10]      addrconf_f6i_alloc+0x315/0x560
[  793.419365][   T10]      ipv6_add_addr+0x411/0x2000
[  793.419365][   T10]      inet6_addr_add+0x30e/0xa40
[  793.419365][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.419365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.419365][   T10]      netlink_rcv_skb+0x130/0x360
[  793.419365][   T10]      netlink_unicast+0x449/0x710
[  793.419365][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.419365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.419365][   T10]      ___sys_sendmsg+0xee/0x170
[  793.419365][   T10]      __sys_sendmsg+0xcd/0x170
[  793.419365][   T10]      do_syscall_64+0xc6/0x1e0
[  793.419365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.419365][   T10] 
[  793.421612][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.421612][   T10]      netdev_get_by_index+0x5e/0x80
[  793.421612][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.421612][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.421612][   T10]      ip6_route_add+0x1c/0x140
[  793.421612][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  793.421612][   T10]      addrconf_add_dev+0xe2/0x170
[  793.421612][   T10]      inet6_addr_add+0x12f/0xa40
[  793.421612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.421612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.421612][   T10]      netlink_rcv_skb+0x130/0x360
[  793.421612][   T10]      netlink_unicast+0x449/0x710
[  793.421612][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.421612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.421612][   T10]      ___sys_sendmsg+0xee/0x170
[  793.421612][   T10]      __sys_sendmsg+0xcd/0x170
[  793.421612][   T10]      do_syscall_64+0xc6/0x1e0
[  793.421612][   T10] 
[  793.423978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.423978][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  793.423978][   T10]      ipv6_find_idev+0x102/0x170
[  793.423978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  793.423978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.423978][   T10]      netlink_rcv_skb+0x130/0x360
[  793.423978][   T10]      netlink_unicast+0x449/0x710
[  793.423978][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.423978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.423978][   T10]      ___sys_sendmsg+0xee/0x170
[  793.423978][   T10]      __sys_sendmsg+0xcd/0x170
[  793.423978][   T10]      do_syscall_64+0xc6/0x1e0
[  793.423978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.423978][   T10] 
[  793.425920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  793.425920][   T10]      neigh_parms_alloc+0x1e5/0x510
[  793.425920][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  793.425920][   T10]      ipv6_find_idev+0x102/0x170
[  793.425920][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  793.425920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.425920][   T10]      netlink_rcv_skb+0x130/0x360
[  793.425920][   T10]      netlink_unicast+0x449/0x710
[  793.425920][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.425920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.425920][   T10]      ___sys_sendmsg+0xee/0x170
[  793.425920][   T10]      __sys_sendmsg+0xcd/0x170
[  793.425920][   T10]      do_syscall_64+0xc6/0x1e0
[  793.425920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.425920][   T10] 
[  793.427975][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  793.428248][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  793.428248][   T10]      netdev_get_by_index+0x5e/0x80
[  793.428248][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.428248][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.428248][   T10]      ip6_route_add+0x1c/0x140
[  793.428248][   T10]      addrconf_prefix_route+0x2a6/0x430
[  793.428248][   T10]      inet6_addr_add+0x4f8/0xa40
[  793.428248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.428248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.428248][   T10]      netlink_rcv_skb+0x130/0x360
[  793.428248][   T10]      netlink_unicast+0x449/0x710
[  793.428248][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.428248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.428248][   T10]      ___sys_sendmsg+0xee/0x170
[  793.428248][   T10]      __sys_sendmsg+0xcd/0x170
[  793.428248][   T10]      do_syscall_64+0xc6/0x1e0
[  793.428248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.428248][   T10] 
[  793.430414][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  793.430414][   T10]      netdev_get_by_index+0x5e/0x80
[  793.430414][   T10]      fib6_nh_init+0x3d8/0x1580
[  793.430414][   T10]      ip6_route_info_create+0xf18/0x17d0
[  793.430414][   T10]      addrconf_f6i_alloc+0x315/0x560
[  793.430414][   T10]      ipv6_add_addr+0x411/0x2000
[  793.430414][   T10]      inet6_addr_add+0x30e/0xa40
[  793.430414][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  793.430414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.430414][   T10]      netlink_rcv_skb+0x130/0x360
[  793.430414][   T10]      netlink_unicast+0x449/0x710
[  793.430414][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.430414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.430414][   T10]      ___sys_sendmsg+0xee/0x170
[  793.430414][   T10]      __sys_sendmsg+0xcd/0x170
[  793.430414][   T10]      do_syscall_64+0xc6/0x1e0
[  793.430414][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.430414][   T10] 
[  793.432606][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  793.432606][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  793.432606][   T10]      ipv6_find_idev+0x102/0x170
[  793.432606][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  793.432606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.432606][   T10]      netlink_rcv_skb+0x130/0x360
[  793.432606][   T10]      netlink_unicast+0x449/0x710
[  793.432606][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.432606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.432606][   T10]      ___sys_sendmsg+0xee/0x170
[  793.432606][   T10]      __sys_sendmsg+0xcd/0x170
[  793.432606][   T10]      do_syscall_64+0xc6/0x1e0
[  793.432606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.432606][   T10] 
[  793.434522][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  793.434522][   T10]      neigh_parms_alloc+0x1e5/0x510
[  793.434522][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  793.434522][   T10]      ipv6_find_idev+0x102/0x170
[  793.434522][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  793.434522][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  793.434522][   T10]      netlink_rcv_skb+0x130/0x360
[  793.434522][   T10]      netlink_unicast+0x449/0x710
[  793.434522][   T10]      netlink_sendmsg+0x723/0xbe0
[  793.434522][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  793.434522][   T10]      ___sys_sendmsg+0xee/0x170
[  793.434522][   T10]      __sys_sendmsg+0xcd/0x170
[  793.434522][   T10]      do_syscall_64+0xc6/0x1e0
[  793.434522][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  793.434522][   T10] 
[  803.544795][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  803.545181][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.545181][   T10]      dst_init+0x84/0x4a0
[  803.545181][   T10]      dst_alloc+0x97/0x150
[  803.545181][   T10]      ip6_dst_alloc+0x23/0x90
[  803.545181][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  803.545181][   T10]      ip6_pol_route+0x56f/0x840
[  803.545181][   T10]      fib6_rule_lookup+0x456/0x630
[  803.545181][   T10]      ip6_route_input+0x59c/0xa50
[  803.545181][   T10]      ipv6_rcv+0x397/0x810
[  803.545181][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  803.545181][   T10]      process_backlog+0x101/0x620
[  803.545181][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  803.545181][   T10]      net_rx_action+0x495/0xbe0
[  803.545181][   T10]      __do_softirq+0x1b5/0x7f6
[  803.545181][   T10] 
[  803.546920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.546920][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  803.546920][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  803.546920][   T10]      fib6_nh_init+0xa22/0x1580
[  803.546920][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.546920][   T10]      ip6_route_add+0x1c/0x140
[  803.546920][   T10]      inet6_rtm_newroute+0x104/0x110
[  803.546920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.546920][   T10]      netlink_rcv_skb+0x130/0x360
[  803.546920][   T10]      netlink_unicast+0x449/0x710
[  803.546920][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.546920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.546920][   T10]      ___sys_sendmsg+0xee/0x170
[  803.546920][   T10]      __sys_sendmsg+0xcd/0x170
[  803.546920][   T10]      do_syscall_64+0xc6/0x1e0
[  803.546920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.546920][   T10] 
[  803.548887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.548887][   T10]      netdev_get_by_index+0x5e/0x80
[  803.548887][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.548887][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.548887][   T10]      addrconf_f6i_alloc+0x265/0x560
[  803.548887][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  803.548887][   T10]      addrconf_join_anycast+0x1c0/0x220
[  803.548887][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  803.548887][   T10]      addrconf_dad_completed+0x12b/0xe20
[  803.548887][   T10]      addrconf_dad_begin+0x310/0x670
[  803.548887][   T10]      addrconf_dad_work+0x10b/0xab0
[  803.548887][   T10]      process_one_work+0x84d/0x18a0
[  803.548887][   T10]      worker_thread+0x587/0xd30
[  803.548887][   T10]      kthread+0x28a/0x350
[  803.548887][   T10]      ret_from_fork+0x31/0x70
[  803.548887][   T10]      ret_from_fork_asm+0x1a/0x30
[  803.548887][   T10] 
[  803.550894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.550894][   T10]      netdev_get_by_index+0x5e/0x80
[  803.550894][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.550894][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.550894][   T10]      ip6_route_add+0x1c/0x140
[  803.550894][   T10]      addrconf_prefix_route+0x2a6/0x430
[  803.550894][   T10]      inet6_addr_add+0x4f8/0xa40
[  803.550894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.550894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.550894][   T10]      netlink_rcv_skb+0x130/0x360
[  803.550894][   T10]      netlink_unicast+0x449/0x710
[  803.550894][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.550894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.550894][   T10]      ___sys_sendmsg+0xee/0x170
[  803.550894][   T10]      __sys_sendmsg+0xcd/0x170
[  803.550894][   T10]      do_syscall_64+0xc6/0x1e0
[  803.550894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.550894][   T10] 
[  803.553756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.553756][   T10]      netdev_get_by_index+0x5e/0x80
[  803.553756][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.553756][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.553756][   T10]      addrconf_f6i_alloc+0x315/0x560
[  803.553756][   T10]      ipv6_add_addr+0x411/0x2000
[  803.553756][   T10]      inet6_addr_add+0x30e/0xa40
[  803.553756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.553756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.553756][   T10]      netlink_rcv_skb+0x130/0x360
[  803.553756][   T10]      netlink_unicast+0x449/0x710
[  803.553756][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.553756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.553756][   T10]      ___sys_sendmsg+0xee/0x170
[  803.553756][   T10]      __sys_sendmsg+0xcd/0x170
[  803.553756][   T10]      do_syscall_64+0xc6/0x1e0
[  803.553756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.553756][   T10] 
[  803.555833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.555833][   T10]      netdev_get_by_index+0x5e/0x80
[  803.555833][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.555833][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.555833][   T10]      ip6_route_add+0x1c/0x140
[  803.555833][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  803.555833][   T10]      addrconf_add_dev+0xe2/0x170
[  803.555833][   T10]      inet6_addr_add+0x12f/0xa40
[  803.555833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.555833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.555833][   T10]      netlink_rcv_skb+0x130/0x360
[  803.555833][   T10]      netlink_unicast+0x449/0x710
[  803.555833][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.555833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.555833][   T10]      ___sys_sendmsg+0xee/0x170
[  803.555833][   T10]      __sys_sendmsg+0xcd/0x170
[  803.555833][   T10]      do_syscall_64+0xc6/0x1e0
[  803.555833][   T10] 
[  803.557869][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.557869][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  803.557869][   T10]      ipv6_find_idev+0x102/0x170
[  803.557869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  803.557869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.557869][   T10]      netlink_rcv_skb+0x130/0x360
[  803.557869][   T10]      netlink_unicast+0x449/0x710
[  803.557869][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.557869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.557869][   T10]      ___sys_sendmsg+0xee/0x170
[  803.557869][   T10]      __sys_sendmsg+0xcd/0x170
[  803.557869][   T10]      do_syscall_64+0xc6/0x1e0
[  803.557869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.557869][   T10] 
[  803.559441][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  803.559441][   T10]      neigh_parms_alloc+0x1e5/0x510
[  803.559441][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  803.559441][   T10]      ipv6_find_idev+0x102/0x170
[  803.559441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  803.559441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.559441][   T10]      netlink_rcv_skb+0x130/0x360
[  803.559441][   T10]      netlink_unicast+0x449/0x710
[  803.559441][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.559441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.559441][   T10]      ___sys_sendmsg+0xee/0x170
[  803.559441][   T10]      __sys_sendmsg+0xcd/0x170
[  803.559441][   T10]      do_syscall_64+0xc6/0x1e0
[  803.559441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.559441][   T10] 
[  803.561180][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  803.561536][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.561536][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  803.561536][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  803.561536][   T10]      fib6_nh_init+0xa22/0x1580
[  803.561536][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.561536][   T10]      ip6_route_add+0x1c/0x140
[  803.561536][   T10]      inet6_rtm_newroute+0x104/0x110
[  803.561536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.561536][   T10]      netlink_rcv_skb+0x130/0x360
[  803.561536][   T10]      netlink_unicast+0x449/0x710
[  803.561536][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.561536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.561536][   T10]      ___sys_sendmsg+0xee/0x170
[  803.561536][   T10]      __sys_sendmsg+0xcd/0x170
[  803.561536][   T10]      do_syscall_64+0xc6/0x1e0
[  803.561536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.561536][   T10] 
[  803.563495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.563495][   T10]      dst_init+0x84/0x4a0
[  803.563495][   T10]      dst_alloc+0x97/0x150
[  803.563495][   T10]      ip6_dst_alloc+0x23/0x90
[  803.563495][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  803.563495][   T10]      ip6_pol_route+0x56f/0x840
[  803.563495][   T10]      fib6_rule_lookup+0x456/0x630
[  803.563495][   T10]      ip6_route_input+0x59c/0xa50
[  803.563495][   T10]      ipv6_rcv+0x397/0x810
[  803.563495][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  803.563495][   T10]      process_backlog+0x101/0x620
[  803.563495][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  803.563495][   T10]      net_rx_action+0x495/0xbe0
[  803.563495][   T10]      __do_softirq+0x1b5/0x7f6
[  803.563495][   T10] 
[  803.565427][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.565427][   T10]      netdev_get_by_index+0x5e/0x80
[  803.565427][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.565427][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.565427][   T10]      addrconf_f6i_alloc+0x265/0x560
[  803.565427][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  803.565427][   T10]      addrconf_join_anycast+0x1c0/0x220
[  803.565427][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  803.565427][   T10]      addrconf_dad_completed+0x12b/0xe20
[  803.565427][   T10]      addrconf_dad_begin+0x310/0x670
[  803.565427][   T10]      addrconf_dad_work+0x10b/0xab0
[  803.565427][   T10]      process_one_work+0x84d/0x18a0
[  803.565427][   T10]      worker_thread+0x587/0xd30
[  803.565427][   T10]      kthread+0x28a/0x350
[  803.565427][   T10]      ret_from_fork+0x31/0x70
[  803.565427][   T10]      ret_from_fork_asm+0x1a/0x30
[  803.565427][   T10] 
[  803.567495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.567495][   T10]      netdev_get_by_index+0x5e/0x80
[  803.567495][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.567495][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.567495][   T10]      ip6_route_add+0x1c/0x140
[  803.567495][   T10]      addrconf_prefix_route+0x2a6/0x430
[  803.567495][   T10]      inet6_addr_add+0x4f8/0xa40
[  803.567495][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.567495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.567495][   T10]      netlink_rcv_skb+0x130/0x360
[  803.567495][   T10]      netlink_unicast+0x449/0x710
[  803.567495][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.567495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.567495][   T10]      ___sys_sendmsg+0xee/0x170
[  803.567495][   T10]      __sys_sendmsg+0xcd/0x170
[  803.567495][   T10]      do_syscall_64+0xc6/0x1e0
[  803.567495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.567495][   T10] 
[  803.569776][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.569776][   T10]      netdev_get_by_index+0x5e/0x80
[  803.569776][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.569776][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.569776][   T10]      addrconf_f6i_alloc+0x315/0x560
[  803.569776][   T10]      ipv6_add_addr+0x411/0x2000
[  803.569776][   T10]      inet6_addr_add+0x30e/0xa40
[  803.569776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.569776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.569776][   T10]      netlink_rcv_skb+0x130/0x360
[  803.569776][   T10]      netlink_unicast+0x449/0x710
[  803.569776][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.569776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.569776][   T10]      ___sys_sendmsg+0xee/0x170
[  803.569776][   T10]      __sys_sendmsg+0xcd/0x170
[  803.569776][   T10]      do_syscall_64+0xc6/0x1e0
[  803.569776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.569776][   T10] 
[  803.572094][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.572094][   T10]      netdev_get_by_index+0x5e/0x80
[  803.572094][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.572094][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.572094][   T10]      ip6_route_add+0x1c/0x140
[  803.572094][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  803.572094][   T10]      addrconf_add_dev+0xe2/0x170
[  803.572094][   T10]      inet6_addr_add+0x12f/0xa40
[  803.572094][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.572094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.572094][   T10]      netlink_rcv_skb+0x130/0x360
[  803.572094][   T10]      netlink_unicast+0x449/0x710
[  803.572094][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.572094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.572094][   T10]      ___sys_sendmsg+0xee/0x170
[  803.572094][   T10]      __sys_sendmsg+0xcd/0x170
[  803.572094][   T10]      do_syscall_64+0xc6/0x1e0
[  803.572094][   T10] 
[  803.574455][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.574455][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  803.574455][   T10]      ipv6_find_idev+0x102/0x170
[  803.574455][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  803.574455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.574455][   T10]      netlink_rcv_skb+0x130/0x360
[  803.574455][   T10]      netlink_unicast+0x449/0x710
[  803.574455][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.574455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.574455][   T10]      ___sys_sendmsg+0xee/0x170
[  803.574455][   T10]      __sys_sendmsg+0xcd/0x170
[  803.574455][   T10]      do_syscall_64+0xc6/0x1e0
[  803.574455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.574455][   T10] 
[  803.576125][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  803.576125][   T10]      neigh_parms_alloc+0x1e5/0x510
[  803.576125][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  803.576125][   T10]      ipv6_find_idev+0x102/0x170
[  803.576125][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  803.576125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.576125][   T10]      netlink_rcv_skb+0x130/0x360
[  803.576125][   T10]      netlink_unicast+0x449/0x710
[  803.576125][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.576125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.576125][   T10]      ___sys_sendmsg+0xee/0x170
[  803.576125][   T10]      __sys_sendmsg+0xcd/0x170
[  803.576125][   T10]      do_syscall_64+0xc6/0x1e0
[  803.576125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.576125][   T10] 
[  803.578020][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  803.578296][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  803.578296][   T10]      netdev_get_by_index+0x5e/0x80
[  803.578296][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.578296][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.578296][   T10]      ip6_route_add+0x1c/0x140
[  803.578296][   T10]      addrconf_prefix_route+0x2a6/0x430
[  803.578296][   T10]      inet6_addr_add+0x4f8/0xa40
[  803.578296][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.578296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.578296][   T10]      netlink_rcv_skb+0x130/0x360
[  803.578296][   T10]      netlink_unicast+0x449/0x710
[  803.578296][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.578296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.578296][   T10]      ___sys_sendmsg+0xee/0x170
[  803.578296][   T10]      __sys_sendmsg+0xcd/0x170
[  803.578296][   T10]      do_syscall_64+0xc6/0x1e0
[  803.578296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.578296][   T10] 
[  803.580629][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  803.580629][   T10]      netdev_get_by_index+0x5e/0x80
[  803.580629][   T10]      fib6_nh_init+0x3d8/0x1580
[  803.580629][   T10]      ip6_route_info_create+0xf18/0x17d0
[  803.580629][   T10]      addrconf_f6i_alloc+0x315/0x560
[  803.580629][   T10]      ipv6_add_addr+0x411/0x2000
[  803.580629][   T10]      inet6_addr_add+0x30e/0xa40
[  803.580629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  803.580629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.580629][   T10]      netlink_rcv_skb+0x130/0x360
[  803.580629][   T10]      netlink_unicast+0x449/0x710
[  803.580629][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.580629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.580629][   T10]      ___sys_sendmsg+0xee/0x170
[  803.580629][   T10]      __sys_sendmsg+0xcd/0x170
[  803.580629][   T10]      do_syscall_64+0xc6/0x1e0
[  803.580629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.580629][   T10] 
[  803.582996][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  803.582996][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  803.582996][   T10]      ipv6_find_idev+0x102/0x170
[  803.582996][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  803.582996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.582996][   T10]      netlink_rcv_skb+0x130/0x360
[  803.582996][   T10]      netlink_unicast+0x449/0x710
[  803.582996][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.582996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.582996][   T10]      ___sys_sendmsg+0xee/0x170
[  803.582996][   T10]      __sys_sendmsg+0xcd/0x170
[  803.582996][   T10]      do_syscall_64+0xc6/0x1e0
[  803.582996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.582996][   T10] 
[  803.584969][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  803.584969][   T10]      neigh_parms_alloc+0x1e5/0x510
[  803.584969][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  803.584969][   T10]      ipv6_find_idev+0x102/0x170
[  803.584969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  803.584969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  803.584969][   T10]      netlink_rcv_skb+0x130/0x360
[  803.584969][   T10]      netlink_unicast+0x449/0x710
[  803.584969][   T10]      netlink_sendmsg+0x723/0xbe0
[  803.584969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  803.584969][   T10]      ___sys_sendmsg+0xee/0x170
[  803.584969][   T10]      __sys_sendmsg+0xcd/0x170
[  803.584969][   T10]      do_syscall_64+0xc6/0x1e0
[  803.584969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  803.584969][   T10] 
[  813.689604][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  813.689985][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.689985][   T10]      dst_init+0x84/0x4a0
[  813.689985][   T10]      dst_alloc+0x97/0x150
[  813.689985][   T10]      ip6_dst_alloc+0x23/0x90
[  813.689985][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  813.689985][   T10]      ip6_pol_route+0x56f/0x840
[  813.689985][   T10]      fib6_rule_lookup+0x456/0x630
[  813.689985][   T10]      ip6_route_input+0x59c/0xa50
[  813.689985][   T10]      ipv6_rcv+0x397/0x810
[  813.689985][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  813.689985][   T10]      process_backlog+0x101/0x620
[  813.689985][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  813.689985][   T10]      net_rx_action+0x495/0xbe0
[  813.689985][   T10]      __do_softirq+0x1b5/0x7f6
[  813.689985][   T10] 
[  813.691797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.691797][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  813.691797][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  813.691797][   T10]      fib6_nh_init+0xa22/0x1580
[  813.691797][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.691797][   T10]      ip6_route_add+0x1c/0x140
[  813.691797][   T10]      inet6_rtm_newroute+0x104/0x110
[  813.691797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.691797][   T10]      netlink_rcv_skb+0x130/0x360
[  813.691797][   T10]      netlink_unicast+0x449/0x710
[  813.691797][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.691797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.691797][   T10]      ___sys_sendmsg+0xee/0x170
[  813.691797][   T10]      __sys_sendmsg+0xcd/0x170
[  813.691797][   T10]      do_syscall_64+0xc6/0x1e0
[  813.691797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.691797][   T10] 
[  813.693891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.693891][   T10]      netdev_get_by_index+0x5e/0x80
[  813.693891][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.693891][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.693891][   T10]      addrconf_f6i_alloc+0x265/0x560
[  813.693891][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  813.693891][   T10]      addrconf_join_anycast+0x1c0/0x220
[  813.693891][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  813.693891][   T10]      addrconf_dad_completed+0x12b/0xe20
[  813.693891][   T10]      addrconf_dad_begin+0x310/0x670
[  813.693891][   T10]      addrconf_dad_work+0x10b/0xab0
[  813.693891][   T10]      process_one_work+0x84d/0x18a0
[  813.693891][   T10]      worker_thread+0x587/0xd30
[  813.693891][   T10]      kthread+0x28a/0x350
[  813.693891][   T10]      ret_from_fork+0x31/0x70
[  813.693891][   T10]      ret_from_fork_asm+0x1a/0x30
[  813.693891][   T10] 
[  813.695946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.695946][   T10]      netdev_get_by_index+0x5e/0x80
[  813.695946][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.695946][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.695946][   T10]      ip6_route_add+0x1c/0x140
[  813.695946][   T10]      addrconf_prefix_route+0x2a6/0x430
[  813.695946][   T10]      inet6_addr_add+0x4f8/0xa40
[  813.695946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.695946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.695946][   T10]      netlink_rcv_skb+0x130/0x360
[  813.695946][   T10]      netlink_unicast+0x449/0x710
[  813.695946][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.695946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.695946][   T10]      ___sys_sendmsg+0xee/0x170
[  813.695946][   T10]      __sys_sendmsg+0xcd/0x170
[  813.695946][   T10]      do_syscall_64+0xc6/0x1e0
[  813.695946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.695946][   T10] 
[  813.698468][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.698468][   T10]      netdev_get_by_index+0x5e/0x80
[  813.698468][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.698468][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.698468][   T10]      addrconf_f6i_alloc+0x315/0x560
[  813.698468][   T10]      ipv6_add_addr+0x411/0x2000
[  813.698468][   T10]      inet6_addr_add+0x30e/0xa40
[  813.698468][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.698468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.698468][   T10]      netlink_rcv_skb+0x130/0x360
[  813.698468][   T10]      netlink_unicast+0x449/0x710
[  813.698468][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.698468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.698468][   T10]      ___sys_sendmsg+0xee/0x170
[  813.698468][   T10]      __sys_sendmsg+0xcd/0x170
[  813.698468][   T10]      do_syscall_64+0xc6/0x1e0
[  813.698468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.698468][   T10] 
[  813.700858][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.700858][   T10]      netdev_get_by_index+0x5e/0x80
[  813.700858][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.700858][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.700858][   T10]      ip6_route_add+0x1c/0x140
[  813.700858][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  813.700858][   T10]      addrconf_add_dev+0xe2/0x170
[  813.700858][   T10]      inet6_addr_add+0x12f/0xa40
[  813.700858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.700858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.700858][   T10]      netlink_rcv_skb+0x130/0x360
[  813.700858][   T10]      netlink_unicast+0x449/0x710
[  813.700858][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.700858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.700858][   T10]      ___sys_sendmsg+0xee/0x170
[  813.700858][   T10]      __sys_sendmsg+0xcd/0x170
[  813.700858][   T10]      do_syscall_64+0xc6/0x1e0
[  813.700858][   T10] 
[  813.703279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.703279][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  813.703279][   T10]      ipv6_find_idev+0x102/0x170
[  813.703279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  813.703279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.703279][   T10]      netlink_rcv_skb+0x130/0x360
[  813.703279][   T10]      netlink_unicast+0x449/0x710
[  813.703279][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.703279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.703279][   T10]      ___sys_sendmsg+0xee/0x170
[  813.703279][   T10]      __sys_sendmsg+0xcd/0x170
[  813.703279][   T10]      do_syscall_64+0xc6/0x1e0
[  813.703279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.703279][   T10] 
[  813.705231][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  813.705231][   T10]      neigh_parms_alloc+0x1e5/0x510
[  813.705231][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  813.705231][   T10]      ipv6_find_idev+0x102/0x170
[  813.705231][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  813.705231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.705231][   T10]      netlink_rcv_skb+0x130/0x360
[  813.705231][   T10]      netlink_unicast+0x449/0x710
[  813.705231][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.705231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.705231][   T10]      ___sys_sendmsg+0xee/0x170
[  813.705231][   T10]      __sys_sendmsg+0xcd/0x170
[  813.705231][   T10]      do_syscall_64+0xc6/0x1e0
[  813.705231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.705231][   T10] 
[  813.707245][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  813.707521][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.707521][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  813.707521][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  813.707521][   T10]      fib6_nh_init+0xa22/0x1580
[  813.707521][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.707521][   T10]      ip6_route_add+0x1c/0x140
[  813.707521][   T10]      inet6_rtm_newroute+0x104/0x110
[  813.707521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.707521][   T10]      netlink_rcv_skb+0x130/0x360
[  813.707521][   T10]      netlink_unicast+0x449/0x710
[  813.707521][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.707521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.707521][   T10]      ___sys_sendmsg+0xee/0x170
[  813.707521][   T10]      __sys_sendmsg+0xcd/0x170
[  813.707521][   T10]      do_syscall_64+0xc6/0x1e0
[  813.707521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.707521][   T10] 
[  813.709494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.709494][   T10]      dst_init+0x84/0x4a0
[  813.709494][   T10]      dst_alloc+0x97/0x150
[  813.709494][   T10]      ip6_dst_alloc+0x23/0x90
[  813.709494][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  813.709494][   T10]      ip6_pol_route+0x56f/0x840
[  813.709494][   T10]      fib6_rule_lookup+0x456/0x630
[  813.709494][   T10]      ip6_route_input+0x59c/0xa50
[  813.709494][   T10]      ipv6_rcv+0x397/0x810
[  813.709494][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  813.709494][   T10]      process_backlog+0x101/0x620
[  813.709494][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  813.709494][   T10]      net_rx_action+0x495/0xbe0
[  813.709494][   T10]      __do_softirq+0x1b5/0x7f6
[  813.709494][   T10] 
[  813.711292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.711292][   T10]      netdev_get_by_index+0x5e/0x80
[  813.711292][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.711292][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.711292][   T10]      addrconf_f6i_alloc+0x265/0x560
[  813.711292][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  813.711292][   T10]      addrconf_join_anycast+0x1c0/0x220
[  813.711292][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  813.711292][   T10]      addrconf_dad_completed+0x12b/0xe20
[  813.711292][   T10]      addrconf_dad_begin+0x310/0x670
[  813.711292][   T10]      addrconf_dad_work+0x10b/0xab0
[  813.711292][   T10]      process_one_work+0x84d/0x18a0
[  813.711292][   T10]      worker_thread+0x587/0xd30
[  813.711292][   T10]      kthread+0x28a/0x350
[  813.711292][   T10]      ret_from_fork+0x31/0x70
[  813.711292][   T10]      ret_from_fork_asm+0x1a/0x30
[  813.711292][   T10] 
[  813.713552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.713552][   T10]      netdev_get_by_index+0x5e/0x80
[  813.713552][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.713552][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.713552][   T10]      ip6_route_add+0x1c/0x140
[  813.713552][   T10]      addrconf_prefix_route+0x2a6/0x430
[  813.713552][   T10]      inet6_addr_add+0x4f8/0xa40
[  813.713552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.713552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.713552][   T10]      netlink_rcv_skb+0x130/0x360
[  813.713552][   T10]      netlink_unicast+0x449/0x710
[  813.713552][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.713552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.713552][   T10]      ___sys_sendmsg+0xee/0x170
[  813.713552][   T10]      __sys_sendmsg+0xcd/0x170
[  813.713552][   T10]      do_syscall_64+0xc6/0x1e0
[  813.713552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.713552][   T10] 
[  813.715854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.715854][   T10]      netdev_get_by_index+0x5e/0x80
[  813.715854][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.715854][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.715854][   T10]      addrconf_f6i_alloc+0x315/0x560
[  813.715854][   T10]      ipv6_add_addr+0x411/0x2000
[  813.715854][   T10]      inet6_addr_add+0x30e/0xa40
[  813.715854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.715854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.715854][   T10]      netlink_rcv_skb+0x130/0x360
[  813.715854][   T10]      netlink_unicast+0x449/0x710
[  813.715854][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.715854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.715854][   T10]      ___sys_sendmsg+0xee/0x170
[  813.715854][   T10]      __sys_sendmsg+0xcd/0x170
[  813.715854][   T10]      do_syscall_64+0xc6/0x1e0
[  813.715854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.715854][   T10] 
[  813.718451][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.718451][   T10]      netdev_get_by_index+0x5e/0x80
[  813.718451][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.718451][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.718451][   T10]      ip6_route_add+0x1c/0x140
[  813.718451][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  813.718451][   T10]      addrconf_add_dev+0xe2/0x170
[  813.718451][   T10]      inet6_addr_add+0x12f/0xa40
[  813.718451][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.718451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.718451][   T10]      netlink_rcv_skb+0x130/0x360
[  813.718451][   T10]      netlink_unicast+0x449/0x710
[  813.718451][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.718451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.718451][   T10]      ___sys_sendmsg+0xee/0x170
[  813.718451][   T10]      __sys_sendmsg+0xcd/0x170
[  813.718451][   T10]      do_syscall_64+0xc6/0x1e0
[  813.718451][   T10] 
[  813.720874][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.720874][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  813.720874][   T10]      ipv6_find_idev+0x102/0x170
[  813.720874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  813.720874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.720874][   T10]      netlink_rcv_skb+0x130/0x360
[  813.720874][   T10]      netlink_unicast+0x449/0x710
[  813.720874][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.720874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.720874][   T10]      ___sys_sendmsg+0xee/0x170
[  813.720874][   T10]      __sys_sendmsg+0xcd/0x170
[  813.720874][   T10]      do_syscall_64+0xc6/0x1e0
[  813.720874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.720874][   T10] 
[  813.722764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  813.722764][   T10]      neigh_parms_alloc+0x1e5/0x510
[  813.722764][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  813.722764][   T10]      ipv6_find_idev+0x102/0x170
[  813.722764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  813.722764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.722764][   T10]      netlink_rcv_skb+0x130/0x360
[  813.722764][   T10]      netlink_unicast+0x449/0x710
[  813.722764][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.722764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.722764][   T10]      ___sys_sendmsg+0xee/0x170
[  813.722764][   T10]      __sys_sendmsg+0xcd/0x170
[  813.722764][   T10]      do_syscall_64+0xc6/0x1e0
[  813.722764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.722764][   T10] 
[  813.724912][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  813.725181][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  813.725181][   T10]      netdev_get_by_index+0x5e/0x80
[  813.725181][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.725181][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.725181][   T10]      ip6_route_add+0x1c/0x140
[  813.725181][   T10]      addrconf_prefix_route+0x2a6/0x430
[  813.725181][   T10]      inet6_addr_add+0x4f8/0xa40
[  813.725181][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.725181][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.725181][   T10]      netlink_rcv_skb+0x130/0x360
[  813.725181][   T10]      netlink_unicast+0x449/0x710
[  813.725181][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.725181][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.725181][   T10]      ___sys_sendmsg+0xee/0x170
[  813.725181][   T10]      __sys_sendmsg+0xcd/0x170
[  813.725181][   T10]      do_syscall_64+0xc6/0x1e0
[  813.725181][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.725181][   T10] 
[  813.727729][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  813.727729][   T10]      netdev_get_by_index+0x5e/0x80
[  813.727729][   T10]      fib6_nh_init+0x3d8/0x1580
[  813.727729][   T10]      ip6_route_info_create+0xf18/0x17d0
[  813.727729][   T10]      addrconf_f6i_alloc+0x315/0x560
[  813.727729][   T10]      ipv6_add_addr+0x411/0x2000
[  813.727729][   T10]      inet6_addr_add+0x30e/0xa40
[  813.727729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  813.727729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.727729][   T10]      netlink_rcv_skb+0x130/0x360
[  813.727729][   T10]      netlink_unicast+0x449/0x710
[  813.727729][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.727729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.727729][   T10]      ___sys_sendmsg+0xee/0x170
[  813.727729][   T10]      __sys_sendmsg+0xcd/0x170
[  813.727729][   T10]      do_syscall_64+0xc6/0x1e0
[  813.727729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.727729][   T10] 
[  813.729963][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  813.729963][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  813.729963][   T10]      ipv6_find_idev+0x102/0x170
[  813.729963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  813.729963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.729963][   T10]      netlink_rcv_skb+0x130/0x360
[  813.729963][   T10]      netlink_unicast+0x449/0x710
[  813.729963][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.729963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.729963][   T10]      ___sys_sendmsg+0xee/0x170
[  813.729963][   T10]      __sys_sendmsg+0xcd/0x170
[  813.729963][   T10]      do_syscall_64+0xc6/0x1e0
[  813.729963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.729963][   T10] 
[  813.731826][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  813.731826][   T10]      neigh_parms_alloc+0x1e5/0x510
[  813.731826][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  813.731826][   T10]      ipv6_find_idev+0x102/0x170
[  813.731826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  813.731826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  813.731826][   T10]      netlink_rcv_skb+0x130/0x360
[  813.731826][   T10]      netlink_unicast+0x449/0x710
[  813.731826][   T10]      netlink_sendmsg+0x723/0xbe0
[  813.731826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  813.731826][   T10]      ___sys_sendmsg+0xee/0x170
[  813.731826][   T10]      __sys_sendmsg+0xcd/0x170
[  813.731826][   T10]      do_syscall_64+0xc6/0x1e0
[  813.731826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  813.731826][   T10] 
[  823.880613][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  823.881127][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.881127][   T10]      dst_init+0x84/0x4a0
[  823.881127][   T10]      dst_alloc+0x97/0x150
[  823.881127][   T10]      ip6_dst_alloc+0x23/0x90
[  823.881127][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  823.881127][   T10]      ip6_pol_route+0x56f/0x840
[  823.881127][   T10]      fib6_rule_lookup+0x456/0x630
[  823.881127][   T10]      ip6_route_input+0x59c/0xa50
[  823.881127][   T10]      ipv6_rcv+0x397/0x810
[  823.881127][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  823.881127][   T10]      process_backlog+0x101/0x620
[  823.881127][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  823.881127][   T10]      net_rx_action+0x495/0xbe0
[  823.881127][   T10]      __do_softirq+0x1b5/0x7f6
[  823.881127][   T10] 
[  823.882956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.882956][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  823.882956][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  823.882956][   T10]      fib6_nh_init+0xa22/0x1580
[  823.882956][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.882956][   T10]      ip6_route_add+0x1c/0x140
[  823.882956][   T10]      inet6_rtm_newroute+0x104/0x110
[  823.882956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.882956][   T10]      netlink_rcv_skb+0x130/0x360
[  823.882956][   T10]      netlink_unicast+0x449/0x710
[  823.882956][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.882956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.882956][   T10]      ___sys_sendmsg+0xee/0x170
[  823.882956][   T10]      __sys_sendmsg+0xcd/0x170
[  823.882956][   T10]      do_syscall_64+0xc6/0x1e0
[  823.882956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.882956][   T10] 
[  823.885012][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.885012][   T10]      netdev_get_by_index+0x5e/0x80
[  823.885012][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.885012][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.885012][   T10]      addrconf_f6i_alloc+0x265/0x560
[  823.885012][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  823.885012][   T10]      addrconf_join_anycast+0x1c0/0x220
[  823.885012][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  823.885012][   T10]      addrconf_dad_completed+0x12b/0xe20
[  823.885012][   T10]      addrconf_dad_begin+0x310/0x670
[  823.885012][   T10]      addrconf_dad_work+0x10b/0xab0
[  823.885012][   T10]      process_one_work+0x84d/0x18a0
[  823.885012][   T10]      worker_thread+0x587/0xd30
[  823.885012][   T10]      kthread+0x28a/0x350
[  823.885012][   T10]      ret_from_fork+0x31/0x70
[  823.885012][   T10]      ret_from_fork_asm+0x1a/0x30
[  823.885012][   T10] 
[  823.886979][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.886979][   T10]      netdev_get_by_index+0x5e/0x80
[  823.886979][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.886979][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.886979][   T10]      ip6_route_add+0x1c/0x140
[  823.886979][   T10]      addrconf_prefix_route+0x2a6/0x430
[  823.886979][   T10]      inet6_addr_add+0x4f8/0xa40
[  823.886979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.886979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.886979][   T10]      netlink_rcv_skb+0x130/0x360
[  823.886979][   T10]      netlink_unicast+0x449/0x710
[  823.886979][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.886979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.886979][   T10]      ___sys_sendmsg+0xee/0x170
[  823.886979][   T10]      __sys_sendmsg+0xcd/0x170
[  823.886979][   T10]      do_syscall_64+0xc6/0x1e0
[  823.886979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.886979][   T10] 
[  823.889092][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.889092][   T10]      netdev_get_by_index+0x5e/0x80
[  823.889092][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.889092][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.889092][   T10]      addrconf_f6i_alloc+0x315/0x560
[  823.889092][   T10]      ipv6_add_addr+0x411/0x2000
[  823.889092][   T10]      inet6_addr_add+0x30e/0xa40
[  823.889092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.889092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.889092][   T10]      netlink_rcv_skb+0x130/0x360
[  823.889092][   T10]      netlink_unicast+0x449/0x710
[  823.889092][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.889092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.889092][   T10]      ___sys_sendmsg+0xee/0x170
[  823.889092][   T10]      __sys_sendmsg+0xcd/0x170
[  823.889092][   T10]      do_syscall_64+0xc6/0x1e0
[  823.889092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.889092][   T10] 
[  823.891202][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.891202][   T10]      netdev_get_by_index+0x5e/0x80
[  823.891202][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.891202][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.891202][   T10]      ip6_route_add+0x1c/0x140
[  823.891202][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  823.891202][   T10]      addrconf_add_dev+0xe2/0x170
[  823.891202][   T10]      inet6_addr_add+0x12f/0xa40
[  823.891202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.891202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.891202][   T10]      netlink_rcv_skb+0x130/0x360
[  823.891202][   T10]      netlink_unicast+0x449/0x710
[  823.891202][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.891202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.891202][   T10]      ___sys_sendmsg+0xee/0x170
[  823.891202][   T10]      __sys_sendmsg+0xcd/0x170
[  823.891202][   T10]      do_syscall_64+0xc6/0x1e0
[  823.891202][   T10] 
[  823.893329][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.893329][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  823.893329][   T10]      ipv6_find_idev+0x102/0x170
[  823.893329][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  823.893329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.893329][   T10]      netlink_rcv_skb+0x130/0x360
[  823.893329][   T10]      netlink_unicast+0x449/0x710
[  823.893329][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.893329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.893329][   T10]      ___sys_sendmsg+0xee/0x170
[  823.893329][   T10]      __sys_sendmsg+0xcd/0x170
[  823.893329][   T10]      do_syscall_64+0xc6/0x1e0
[  823.893329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.893329][   T10] 
[  823.895137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  823.895137][   T10]      neigh_parms_alloc+0x1e5/0x510
[  823.895137][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  823.895137][   T10]      ipv6_find_idev+0x102/0x170
[  823.895137][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  823.895137][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.895137][   T10]      netlink_rcv_skb+0x130/0x360
[  823.895137][   T10]      netlink_unicast+0x449/0x710
[  823.895137][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.895137][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.895137][   T10]      ___sys_sendmsg+0xee/0x170
[  823.895137][   T10]      __sys_sendmsg+0xcd/0x170
[  823.895137][   T10]      do_syscall_64+0xc6/0x1e0
[  823.895137][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.895137][   T10] 
[  823.897155][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  823.897416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.897416][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  823.897416][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  823.897416][   T10]      fib6_nh_init+0xa22/0x1580
[  823.897416][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.897416][   T10]      ip6_route_add+0x1c/0x140
[  823.897416][   T10]      inet6_rtm_newroute+0x104/0x110
[  823.897416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.897416][   T10]      netlink_rcv_skb+0x130/0x360
[  823.897416][   T10]      netlink_unicast+0x449/0x710
[  823.897416][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.897416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.897416][   T10]      ___sys_sendmsg+0xee/0x170
[  823.897416][   T10]      __sys_sendmsg+0xcd/0x170
[  823.897416][   T10]      do_syscall_64+0xc6/0x1e0
[  823.897416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.897416][   T10] 
[  823.899566][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.899566][   T10]      dst_init+0x84/0x4a0
[  823.899566][   T10]      dst_alloc+0x97/0x150
[  823.899566][   T10]      ip6_dst_alloc+0x23/0x90
[  823.899566][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  823.899566][   T10]      ip6_pol_route+0x56f/0x840
[  823.899566][   T10]      fib6_rule_lookup+0x456/0x630
[  823.899566][   T10]      ip6_route_input+0x59c/0xa50
[  823.899566][   T10]      ipv6_rcv+0x397/0x810
[  823.899566][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  823.899566][   T10]      process_backlog+0x101/0x620
[  823.899566][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  823.899566][   T10]      net_rx_action+0x495/0xbe0
[  823.899566][   T10]      __do_softirq+0x1b5/0x7f6
[  823.899566][   T10] 
[  823.901429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.901429][   T10]      netdev_get_by_index+0x5e/0x80
[  823.901429][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.901429][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.901429][   T10]      addrconf_f6i_alloc+0x265/0x560
[  823.901429][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  823.901429][   T10]      addrconf_join_anycast+0x1c0/0x220
[  823.901429][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  823.901429][   T10]      addrconf_dad_completed+0x12b/0xe20
[  823.901429][   T10]      addrconf_dad_begin+0x310/0x670
[  823.901429][   T10]      addrconf_dad_work+0x10b/0xab0
[  823.901429][   T10]      process_one_work+0x84d/0x18a0
[  823.901429][   T10]      worker_thread+0x587/0xd30
[  823.901429][   T10]      kthread+0x28a/0x350
[  823.901429][   T10]      ret_from_fork+0x31/0x70
[  823.901429][   T10]      ret_from_fork_asm+0x1a/0x30
[  823.901429][   T10] 
[  823.903814][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.903814][   T10]      netdev_get_by_index+0x5e/0x80
[  823.903814][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.903814][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.903814][   T10]      ip6_route_add+0x1c/0x140
[  823.903814][   T10]      addrconf_prefix_route+0x2a6/0x430
[  823.903814][   T10]      inet6_addr_add+0x4f8/0xa40
[  823.903814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.903814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.903814][   T10]      netlink_rcv_skb+0x130/0x360
[  823.903814][   T10]      netlink_unicast+0x449/0x710
[  823.903814][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.903814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.903814][   T10]      ___sys_sendmsg+0xee/0x170
[  823.903814][   T10]      __sys_sendmsg+0xcd/0x170
[  823.903814][   T10]      do_syscall_64+0xc6/0x1e0
[  823.903814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.903814][   T10] 
[  823.906182][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.906182][   T10]      netdev_get_by_index+0x5e/0x80
[  823.906182][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.906182][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.906182][   T10]      addrconf_f6i_alloc+0x315/0x560
[  823.906182][   T10]      ipv6_add_addr+0x411/0x2000
[  823.906182][   T10]      inet6_addr_add+0x30e/0xa40
[  823.906182][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.906182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.906182][   T10]      netlink_rcv_skb+0x130/0x360
[  823.906182][   T10]      netlink_unicast+0x449/0x710
[  823.906182][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.906182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.906182][   T10]      ___sys_sendmsg+0xee/0x170
[  823.906182][   T10]      __sys_sendmsg+0xcd/0x170
[  823.906182][   T10]      do_syscall_64+0xc6/0x1e0
[  823.906182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.906182][   T10] 
[  823.908357][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.908357][   T10]      netdev_get_by_index+0x5e/0x80
[  823.908357][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.908357][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.908357][   T10]      ip6_route_add+0x1c/0x140
[  823.908357][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  823.908357][   T10]      addrconf_add_dev+0xe2/0x170
[  823.908357][   T10]      inet6_addr_add+0x12f/0xa40
[  823.908357][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.908357][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.908357][   T10]      netlink_rcv_skb+0x130/0x360
[  823.908357][   T10]      netlink_unicast+0x449/0x710
[  823.908357][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.908357][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.908357][   T10]      ___sys_sendmsg+0xee/0x170
[  823.908357][   T10]      __sys_sendmsg+0xcd/0x170
[  823.908357][   T10]      do_syscall_64+0xc6/0x1e0
[  823.908357][   T10] 
[  823.910826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.910826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  823.910826][   T10]      ipv6_find_idev+0x102/0x170
[  823.910826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  823.910826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.910826][   T10]      netlink_rcv_skb+0x130/0x360
[  823.910826][   T10]      netlink_unicast+0x449/0x710
[  823.910826][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.910826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.910826][   T10]      ___sys_sendmsg+0xee/0x170
[  823.910826][   T10]      __sys_sendmsg+0xcd/0x170
[  823.910826][   T10]      do_syscall_64+0xc6/0x1e0
[  823.910826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.910826][   T10] 
[  823.912616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  823.912616][   T10]      neigh_parms_alloc+0x1e5/0x510
[  823.912616][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  823.912616][   T10]      ipv6_find_idev+0x102/0x170
[  823.912616][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  823.912616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.912616][   T10]      netlink_rcv_skb+0x130/0x360
[  823.912616][   T10]      netlink_unicast+0x449/0x710
[  823.912616][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.912616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.912616][   T10]      ___sys_sendmsg+0xee/0x170
[  823.912616][   T10]      __sys_sendmsg+0xcd/0x170
[  823.912616][   T10]      do_syscall_64+0xc6/0x1e0
[  823.912616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.912616][   T10] 
[  823.914608][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  823.914857][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  823.914857][   T10]      netdev_get_by_index+0x5e/0x80
[  823.914857][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.914857][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.914857][   T10]      ip6_route_add+0x1c/0x140
[  823.914857][   T10]      addrconf_prefix_route+0x2a6/0x430
[  823.914857][   T10]      inet6_addr_add+0x4f8/0xa40
[  823.914857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.914857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.914857][   T10]      netlink_rcv_skb+0x130/0x360
[  823.914857][   T10]      netlink_unicast+0x449/0x710
[  823.914857][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.914857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.914857][   T10]      ___sys_sendmsg+0xee/0x170
[  823.914857][   T10]      __sys_sendmsg+0xcd/0x170
[  823.914857][   T10]      do_syscall_64+0xc6/0x1e0
[  823.914857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.914857][   T10] 
[  823.917217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  823.917217][   T10]      netdev_get_by_index+0x5e/0x80
[  823.917217][   T10]      fib6_nh_init+0x3d8/0x1580
[  823.917217][   T10]      ip6_route_info_create+0xf18/0x17d0
[  823.917217][   T10]      addrconf_f6i_alloc+0x315/0x560
[  823.917217][   T10]      ipv6_add_addr+0x411/0x2000
[  823.917217][   T10]      inet6_addr_add+0x30e/0xa40
[  823.917217][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  823.917217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.917217][   T10]      netlink_rcv_skb+0x130/0x360
[  823.917217][   T10]      netlink_unicast+0x449/0x710
[  823.917217][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.917217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.917217][   T10]      ___sys_sendmsg+0xee/0x170
[  823.917217][   T10]      __sys_sendmsg+0xcd/0x170
[  823.917217][   T10]      do_syscall_64+0xc6/0x1e0
[  823.917217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.917217][   T10] 
[  823.919425][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  823.919425][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  823.919425][   T10]      ipv6_find_idev+0x102/0x170
[  823.919425][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  823.919425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.919425][   T10]      netlink_rcv_skb+0x130/0x360
[  823.919425][   T10]      netlink_unicast+0x449/0x710
[  823.919425][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.919425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.919425][   T10]      ___sys_sendmsg+0xee/0x170
[  823.919425][   T10]      __sys_sendmsg+0xcd/0x170
[  823.919425][   T10]      do_syscall_64+0xc6/0x1e0
[  823.919425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.919425][   T10] 
[  823.921335][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  823.921335][   T10]      neigh_parms_alloc+0x1e5/0x510
[  823.921335][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  823.921335][   T10]      ipv6_find_idev+0x102/0x170
[  823.921335][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  823.921335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  823.921335][   T10]      netlink_rcv_skb+0x130/0x360
[  823.921335][   T10]      netlink_unicast+0x449/0x710
[  823.921335][   T10]      netlink_sendmsg+0x723/0xbe0
[  823.921335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  823.921335][   T10]      ___sys_sendmsg+0xee/0x170
[  823.921335][   T10]      __sys_sendmsg+0xcd/0x170
[  823.921335][   T10]      do_syscall_64+0xc6/0x1e0
[  823.921335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  823.921335][   T10] 
[  834.064605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  834.065073][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.065073][   T10]      dst_init+0x84/0x4a0
[  834.065073][   T10]      dst_alloc+0x97/0x150
[  834.065073][   T10]      ip6_dst_alloc+0x23/0x90
[  834.065073][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  834.065073][   T10]      ip6_pol_route+0x56f/0x840
[  834.065073][   T10]      fib6_rule_lookup+0x456/0x630
[  834.065073][   T10]      ip6_route_input+0x59c/0xa50
[  834.065073][   T10]      ipv6_rcv+0x397/0x810
[  834.065073][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  834.065073][   T10]      process_backlog+0x101/0x620
[  834.065073][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  834.065073][   T10]      net_rx_action+0x495/0xbe0
[  834.065073][   T10]      __do_softirq+0x1b5/0x7f6
[  834.065073][   T10] 
[  834.066782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.066782][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  834.066782][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  834.066782][   T10]      fib6_nh_init+0xa22/0x1580
[  834.066782][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.066782][   T10]      ip6_route_add+0x1c/0x140
[  834.066782][   T10]      inet6_rtm_newroute+0x104/0x110
[  834.066782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.066782][   T10]      netlink_rcv_skb+0x130/0x360
[  834.066782][   T10]      netlink_unicast+0x449/0x710
[  834.066782][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.066782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.066782][   T10]      ___sys_sendmsg+0xee/0x170
[  834.066782][   T10]      __sys_sendmsg+0xcd/0x170
[  834.066782][   T10]      do_syscall_64+0xc6/0x1e0
[  834.066782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.066782][   T10] 
[  834.068726][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.068726][   T10]      netdev_get_by_index+0x5e/0x80
[  834.068726][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.068726][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.068726][   T10]      addrconf_f6i_alloc+0x265/0x560
[  834.068726][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  834.068726][   T10]      addrconf_join_anycast+0x1c0/0x220
[  834.068726][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  834.068726][   T10]      addrconf_dad_completed+0x12b/0xe20
[  834.068726][   T10]      addrconf_dad_begin+0x310/0x670
[  834.068726][   T10]      addrconf_dad_work+0x10b/0xab0
[  834.068726][   T10]      process_one_work+0x84d/0x18a0
[  834.068726][   T10]      worker_thread+0x587/0xd30
[  834.068726][   T10]      kthread+0x28a/0x350
[  834.068726][   T10]      ret_from_fork+0x31/0x70
[  834.068726][   T10]      ret_from_fork_asm+0x1a/0x30
[  834.068726][   T10] 
[  834.070697][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.070697][   T10]      netdev_get_by_index+0x5e/0x80
[  834.070697][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.070697][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.070697][   T10]      ip6_route_add+0x1c/0x140
[  834.070697][   T10]      addrconf_prefix_route+0x2a6/0x430
[  834.070697][   T10]      inet6_addr_add+0x4f8/0xa40
[  834.070697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.070697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.070697][   T10]      netlink_rcv_skb+0x130/0x360
[  834.070697][   T10]      netlink_unicast+0x449/0x710
[  834.070697][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.070697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.070697][   T10]      ___sys_sendmsg+0xee/0x170
[  834.070697][   T10]      __sys_sendmsg+0xcd/0x170
[  834.070697][   T10]      do_syscall_64+0xc6/0x1e0
[  834.070697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.070697][   T10] 
[  834.072785][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.072785][   T10]      netdev_get_by_index+0x5e/0x80
[  834.072785][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.072785][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.072785][   T10]      addrconf_f6i_alloc+0x315/0x560
[  834.072785][   T10]      ipv6_add_addr+0x411/0x2000
[  834.072785][   T10]      inet6_addr_add+0x30e/0xa40
[  834.072785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.072785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.072785][   T10]      netlink_rcv_skb+0x130/0x360
[  834.072785][   T10]      netlink_unicast+0x449/0x710
[  834.072785][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.072785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.072785][   T10]      ___sys_sendmsg+0xee/0x170
[  834.072785][   T10]      __sys_sendmsg+0xcd/0x170
[  834.072785][   T10]      do_syscall_64+0xc6/0x1e0
[  834.072785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.072785][   T10] 
[  834.074907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.074907][   T10]      netdev_get_by_index+0x5e/0x80
[  834.074907][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.074907][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.074907][   T10]      ip6_route_add+0x1c/0x140
[  834.074907][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  834.074907][   T10]      addrconf_add_dev+0xe2/0x170
[  834.074907][   T10]      inet6_addr_add+0x12f/0xa40
[  834.074907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.074907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.074907][   T10]      netlink_rcv_skb+0x130/0x360
[  834.074907][   T10]      netlink_unicast+0x449/0x710
[  834.074907][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.074907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.074907][   T10]      ___sys_sendmsg+0xee/0x170
[  834.074907][   T10]      __sys_sendmsg+0xcd/0x170
[  834.074907][   T10]      do_syscall_64+0xc6/0x1e0
[  834.074907][   T10] 
[  834.077104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.077104][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  834.077104][   T10]      ipv6_find_idev+0x102/0x170
[  834.077104][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  834.077104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.077104][   T10]      netlink_rcv_skb+0x130/0x360
[  834.077104][   T10]      netlink_unicast+0x449/0x710
[  834.077104][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.077104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.077104][   T10]      ___sys_sendmsg+0xee/0x170
[  834.077104][   T10]      __sys_sendmsg+0xcd/0x170
[  834.077104][   T10]      do_syscall_64+0xc6/0x1e0
[  834.077104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.077104][   T10] 
[  834.078996][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  834.078996][   T10]      neigh_parms_alloc+0x1e5/0x510
[  834.078996][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  834.078996][   T10]      ipv6_find_idev+0x102/0x170
[  834.078996][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  834.078996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.078996][   T10]      netlink_rcv_skb+0x130/0x360
[  834.078996][   T10]      netlink_unicast+0x449/0x710
[  834.078996][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.078996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.078996][   T10]      ___sys_sendmsg+0xee/0x170
[  834.078996][   T10]      __sys_sendmsg+0xcd/0x170
[  834.078996][   T10]      do_syscall_64+0xc6/0x1e0
[  834.078996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.078996][   T10] 
[  834.081259][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  834.081571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.081571][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  834.081571][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  834.081571][   T10]      fib6_nh_init+0xa22/0x1580
[  834.081571][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.081571][   T10]      ip6_route_add+0x1c/0x140
[  834.081571][   T10]      inet6_rtm_newroute+0x104/0x110
[  834.081571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.081571][   T10]      netlink_rcv_skb+0x130/0x360
[  834.081571][   T10]      netlink_unicast+0x449/0x710
[  834.081571][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.081571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.081571][   T10]      ___sys_sendmsg+0xee/0x170
[  834.081571][   T10]      __sys_sendmsg+0xcd/0x170
[  834.081571][   T10]      do_syscall_64+0xc6/0x1e0
[  834.081571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.081571][   T10] 
[  834.083565][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.083565][   T10]      dst_init+0x84/0x4a0
[  834.083565][   T10]      dst_alloc+0x97/0x150
[  834.083565][   T10]      ip6_dst_alloc+0x23/0x90
[  834.083565][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  834.083565][   T10]      ip6_pol_route+0x56f/0x840
[  834.083565][   T10]      fib6_rule_lookup+0x456/0x630
[  834.083565][   T10]      ip6_route_input+0x59c/0xa50
[  834.083565][   T10]      ipv6_rcv+0x397/0x810
[  834.083565][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  834.083565][   T10]      process_backlog+0x101/0x620
[  834.083565][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  834.083565][   T10]      net_rx_action+0x495/0xbe0
[  834.083565][   T10]      __do_softirq+0x1b5/0x7f6
[  834.083565][   T10] 
[  834.085633][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.085633][   T10]      netdev_get_by_index+0x5e/0x80
[  834.085633][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.085633][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.085633][   T10]      addrconf_f6i_alloc+0x265/0x560
[  834.085633][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  834.085633][   T10]      addrconf_join_anycast+0x1c0/0x220
[  834.085633][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  834.085633][   T10]      addrconf_dad_completed+0x12b/0xe20
[  834.085633][   T10]      addrconf_dad_begin+0x310/0x670
[  834.085633][   T10]      addrconf_dad_work+0x10b/0xab0
[  834.085633][   T10]      process_one_work+0x84d/0x18a0
[  834.085633][   T10]      worker_thread+0x587/0xd30
[  834.085633][   T10]      kthread+0x28a/0x350
[  834.085633][   T10]      ret_from_fork+0x31/0x70
[  834.085633][   T10]      ret_from_fork_asm+0x1a/0x30
[  834.085633][   T10] 
[  834.087738][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.087738][   T10]      netdev_get_by_index+0x5e/0x80
[  834.087738][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.087738][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.087738][   T10]      ip6_route_add+0x1c/0x140
[  834.087738][   T10]      addrconf_prefix_route+0x2a6/0x430
[  834.087738][   T10]      inet6_addr_add+0x4f8/0xa40
[  834.087738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.087738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.087738][   T10]      netlink_rcv_skb+0x130/0x360
[  834.087738][   T10]      netlink_unicast+0x449/0x710
[  834.087738][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.087738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.087738][   T10]      ___sys_sendmsg+0xee/0x170
[  834.087738][   T10]      __sys_sendmsg+0xcd/0x170
[  834.087738][   T10]      do_syscall_64+0xc6/0x1e0
[  834.087738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.087738][   T10] 
[  834.089982][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.089982][   T10]      netdev_get_by_index+0x5e/0x80
[  834.089982][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.089982][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.089982][   T10]      addrconf_f6i_alloc+0x315/0x560
[  834.089982][   T10]      ipv6_add_addr+0x411/0x2000
[  834.089982][   T10]      inet6_addr_add+0x30e/0xa40
[  834.089982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.089982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.089982][   T10]      netlink_rcv_skb+0x130/0x360
[  834.089982][   T10]      netlink_unicast+0x449/0x710
[  834.089982][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.089982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.089982][   T10]      ___sys_sendmsg+0xee/0x170
[  834.089982][   T10]      __sys_sendmsg+0xcd/0x170
[  834.089982][   T10]      do_syscall_64+0xc6/0x1e0
[  834.089982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.089982][   T10] 
[  834.092429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.092429][   T10]      netdev_get_by_index+0x5e/0x80
[  834.092429][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.092429][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.092429][   T10]      ip6_route_add+0x1c/0x140
[  834.092429][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  834.092429][   T10]      addrconf_add_dev+0xe2/0x170
[  834.092429][   T10]      inet6_addr_add+0x12f/0xa40
[  834.092429][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.092429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.092429][   T10]      netlink_rcv_skb+0x130/0x360
[  834.092429][   T10]      netlink_unicast+0x449/0x710
[  834.092429][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.092429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.092429][   T10]      ___sys_sendmsg+0xee/0x170
[  834.092429][   T10]      __sys_sendmsg+0xcd/0x170
[  834.092429][   T10]      do_syscall_64+0xc6/0x1e0
[  834.092429][   T10] 
[  834.094663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.094663][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  834.094663][   T10]      ipv6_find_idev+0x102/0x170
[  834.094663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  834.094663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.094663][   T10]      netlink_rcv_skb+0x130/0x360
[  834.094663][   T10]      netlink_unicast+0x449/0x710
[  834.094663][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.094663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.094663][   T10]      ___sys_sendmsg+0xee/0x170
[  834.094663][   T10]      __sys_sendmsg+0xcd/0x170
[  834.094663][   T10]      do_syscall_64+0xc6/0x1e0
[  834.094663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.094663][   T10] 
[  834.096479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  834.096479][   T10]      neigh_parms_alloc+0x1e5/0x510
[  834.096479][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  834.096479][   T10]      ipv6_find_idev+0x102/0x170
[  834.096479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  834.096479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.096479][   T10]      netlink_rcv_skb+0x130/0x360
[  834.096479][   T10]      netlink_unicast+0x449/0x710
[  834.096479][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.096479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.096479][   T10]      ___sys_sendmsg+0xee/0x170
[  834.096479][   T10]      __sys_sendmsg+0xcd/0x170
[  834.096479][   T10]      do_syscall_64+0xc6/0x1e0
[  834.096479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.096479][   T10] 
[  834.098523][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  834.098828][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  834.098828][   T10]      netdev_get_by_index+0x5e/0x80
[  834.098828][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.098828][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.098828][   T10]      ip6_route_add+0x1c/0x140
[  834.098828][   T10]      addrconf_prefix_route+0x2a6/0x430
[  834.098828][   T10]      inet6_addr_add+0x4f8/0xa40
[  834.098828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.098828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.098828][   T10]      netlink_rcv_skb+0x130/0x360
[  834.098828][   T10]      netlink_unicast+0x449/0x710
[  834.098828][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.098828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.098828][   T10]      ___sys_sendmsg+0xee/0x170
[  834.098828][   T10]      __sys_sendmsg+0xcd/0x170
[  834.098828][   T10]      do_syscall_64+0xc6/0x1e0
[  834.098828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.098828][   T10] 
[  834.100874][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  834.100874][   T10]      netdev_get_by_index+0x5e/0x80
[  834.100874][   T10]      fib6_nh_init+0x3d8/0x1580
[  834.100874][   T10]      ip6_route_info_create+0xf18/0x17d0
[  834.100874][   T10]      addrconf_f6i_alloc+0x315/0x560
[  834.100874][   T10]      ipv6_add_addr+0x411/0x2000
[  834.100874][   T10]      inet6_addr_add+0x30e/0xa40
[  834.100874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  834.100874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.100874][   T10]      netlink_rcv_skb+0x130/0x360
[  834.100874][   T10]      netlink_unicast+0x449/0x710
[  834.100874][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.100874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.100874][   T10]      ___sys_sendmsg+0xee/0x170
[  834.100874][   T10]      __sys_sendmsg+0xcd/0x170
[  834.100874][   T10]      do_syscall_64+0xc6/0x1e0
[  834.100874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.100874][   T10] 
[  834.102939][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  834.102939][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  834.102939][   T10]      ipv6_find_idev+0x102/0x170
[  834.102939][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  834.102939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.102939][   T10]      netlink_rcv_skb+0x130/0x360
[  834.102939][   T10]      netlink_unicast+0x449/0x710
[  834.102939][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.102939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.102939][   T10]      ___sys_sendmsg+0xee/0x170
[  834.102939][   T10]      __sys_sendmsg+0xcd/0x170
[  834.102939][   T10]      do_syscall_64+0xc6/0x1e0
[  834.102939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.102939][   T10] 
[  834.104554][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  834.104554][   T10]      neigh_parms_alloc+0x1e5/0x510
[  834.104554][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  834.104554][   T10]      ipv6_find_idev+0x102/0x170
[  834.104554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  834.104554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  834.104554][   T10]      netlink_rcv_skb+0x130/0x360
[  834.104554][   T10]      netlink_unicast+0x449/0x710
[  834.104554][   T10]      netlink_sendmsg+0x723/0xbe0
[  834.104554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  834.104554][   T10]      ___sys_sendmsg+0xee/0x170
[  834.104554][   T10]      __sys_sendmsg+0xcd/0x170
[  834.104554][   T10]      do_syscall_64+0xc6/0x1e0
[  834.104554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  834.104554][   T10] 
[  844.217604][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  844.218030][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.218030][   T10]      dst_init+0x84/0x4a0
[  844.218030][   T10]      dst_alloc+0x97/0x150
[  844.218030][   T10]      ip6_dst_alloc+0x23/0x90
[  844.218030][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  844.218030][   T10]      ip6_pol_route+0x56f/0x840
[  844.218030][   T10]      fib6_rule_lookup+0x456/0x630
[  844.218030][   T10]      ip6_route_input+0x59c/0xa50
[  844.218030][   T10]      ipv6_rcv+0x397/0x810
[  844.218030][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  844.218030][   T10]      process_backlog+0x101/0x620
[  844.218030][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  844.218030][   T10]      net_rx_action+0x495/0xbe0
[  844.218030][   T10]      __do_softirq+0x1b5/0x7f6
[  844.218030][   T10] 
[  844.219750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.219750][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  844.219750][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  844.219750][   T10]      fib6_nh_init+0xa22/0x1580
[  844.219750][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.219750][   T10]      ip6_route_add+0x1c/0x140
[  844.219750][   T10]      inet6_rtm_newroute+0x104/0x110
[  844.219750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.219750][   T10]      netlink_rcv_skb+0x130/0x360
[  844.219750][   T10]      netlink_unicast+0x449/0x710
[  844.219750][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.219750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.219750][   T10]      ___sys_sendmsg+0xee/0x170
[  844.219750][   T10]      __sys_sendmsg+0xcd/0x170
[  844.219750][   T10]      do_syscall_64+0xc6/0x1e0
[  844.219750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.219750][   T10] 
[  844.221716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.221716][   T10]      netdev_get_by_index+0x5e/0x80
[  844.221716][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.221716][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.221716][   T10]      addrconf_f6i_alloc+0x265/0x560
[  844.221716][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  844.221716][   T10]      addrconf_join_anycast+0x1c0/0x220
[  844.221716][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  844.221716][   T10]      addrconf_dad_completed+0x12b/0xe20
[  844.221716][   T10]      addrconf_dad_begin+0x310/0x670
[  844.221716][   T10]      addrconf_dad_work+0x10b/0xab0
[  844.221716][   T10]      process_one_work+0x84d/0x18a0
[  844.221716][   T10]      worker_thread+0x587/0xd30
[  844.221716][   T10]      kthread+0x28a/0x350
[  844.221716][   T10]      ret_from_fork+0x31/0x70
[  844.221716][   T10]      ret_from_fork_asm+0x1a/0x30
[  844.221716][   T10] 
[  844.223694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.223694][   T10]      netdev_get_by_index+0x5e/0x80
[  844.223694][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.223694][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.223694][   T10]      ip6_route_add+0x1c/0x140
[  844.223694][   T10]      addrconf_prefix_route+0x2a6/0x430
[  844.223694][   T10]      inet6_addr_add+0x4f8/0xa40
[  844.223694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.223694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.223694][   T10]      netlink_rcv_skb+0x130/0x360
[  844.223694][   T10]      netlink_unicast+0x449/0x710
[  844.223694][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.223694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.223694][   T10]      ___sys_sendmsg+0xee/0x170
[  844.223694][   T10]      __sys_sendmsg+0xcd/0x170
[  844.223694][   T10]      do_syscall_64+0xc6/0x1e0
[  844.223694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.223694][   T10] 
[  844.225747][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.225747][   T10]      netdev_get_by_index+0x5e/0x80
[  844.225747][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.225747][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.225747][   T10]      addrconf_f6i_alloc+0x315/0x560
[  844.225747][   T10]      ipv6_add_addr+0x411/0x2000
[  844.225747][   T10]      inet6_addr_add+0x30e/0xa40
[  844.225747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.225747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.225747][   T10]      netlink_rcv_skb+0x130/0x360
[  844.225747][   T10]      netlink_unicast+0x449/0x710
[  844.225747][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.225747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.225747][   T10]      ___sys_sendmsg+0xee/0x170
[  844.225747][   T10]      __sys_sendmsg+0xcd/0x170
[  844.225747][   T10]      do_syscall_64+0xc6/0x1e0
[  844.225747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.225747][   T10] 
[  844.227863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.227863][   T10]      netdev_get_by_index+0x5e/0x80
[  844.227863][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.227863][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.227863][   T10]      ip6_route_add+0x1c/0x140
[  844.227863][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  844.227863][   T10]      addrconf_add_dev+0xe2/0x170
[  844.227863][   T10]      inet6_addr_add+0x12f/0xa40
[  844.227863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.227863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.227863][   T10]      netlink_rcv_skb+0x130/0x360
[  844.227863][   T10]      netlink_unicast+0x449/0x710
[  844.227863][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.227863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.227863][   T10]      ___sys_sendmsg+0xee/0x170
[  844.227863][   T10]      __sys_sendmsg+0xcd/0x170
[  844.227863][   T10]      do_syscall_64+0xc6/0x1e0
[  844.227863][   T10] 
[  844.229905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.229905][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  844.229905][   T10]      ipv6_find_idev+0x102/0x170
[  844.229905][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  844.229905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.229905][   T10]      netlink_rcv_skb+0x130/0x360
[  844.229905][   T10]      netlink_unicast+0x449/0x710
[  844.229905][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.229905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.229905][   T10]      ___sys_sendmsg+0xee/0x170
[  844.229905][   T10]      __sys_sendmsg+0xcd/0x170
[  844.229905][   T10]      do_syscall_64+0xc6/0x1e0
[  844.229905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.229905][   T10] 
[  844.231695][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  844.231695][   T10]      neigh_parms_alloc+0x1e5/0x510
[  844.231695][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  844.231695][   T10]      ipv6_find_idev+0x102/0x170
[  844.231695][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  844.231695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.231695][   T10]      netlink_rcv_skb+0x130/0x360
[  844.231695][   T10]      netlink_unicast+0x449/0x710
[  844.231695][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.231695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.231695][   T10]      ___sys_sendmsg+0xee/0x170
[  844.231695][   T10]      __sys_sendmsg+0xcd/0x170
[  844.231695][   T10]      do_syscall_64+0xc6/0x1e0
[  844.231695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.231695][   T10] 
[  844.233500][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  844.233801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.233801][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  844.233801][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  844.233801][   T10]      fib6_nh_init+0xa22/0x1580
[  844.233801][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.233801][   T10]      ip6_route_add+0x1c/0x140
[  844.233801][   T10]      inet6_rtm_newroute+0x104/0x110
[  844.233801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.233801][   T10]      netlink_rcv_skb+0x130/0x360
[  844.233801][   T10]      netlink_unicast+0x449/0x710
[  844.233801][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.233801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.233801][   T10]      ___sys_sendmsg+0xee/0x170
[  844.233801][   T10]      __sys_sendmsg+0xcd/0x170
[  844.233801][   T10]      do_syscall_64+0xc6/0x1e0
[  844.233801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.233801][   T10] 
[  844.235716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.235716][   T10]      dst_init+0x84/0x4a0
[  844.235716][   T10]      dst_alloc+0x97/0x150
[  844.235716][   T10]      ip6_dst_alloc+0x23/0x90
[  844.235716][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  844.235716][   T10]      ip6_pol_route+0x56f/0x840
[  844.235716][   T10]      fib6_rule_lookup+0x456/0x630
[  844.235716][   T10]      ip6_route_input+0x59c/0xa50
[  844.235716][   T10]      ipv6_rcv+0x397/0x810
[  844.235716][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  844.235716][   T10]      process_backlog+0x101/0x620
[  844.235716][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  844.235716][   T10]      net_rx_action+0x495/0xbe0
[  844.235716][   T10]      __do_softirq+0x1b5/0x7f6
[  844.235716][   T10] 
[  844.237559][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.237559][   T10]      netdev_get_by_index+0x5e/0x80
[  844.237559][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.237559][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.237559][   T10]      addrconf_f6i_alloc+0x265/0x560
[  844.237559][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  844.237559][   T10]      addrconf_join_anycast+0x1c0/0x220
[  844.237559][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  844.237559][   T10]      addrconf_dad_completed+0x12b/0xe20
[  844.237559][   T10]      addrconf_dad_begin+0x310/0x670
[  844.237559][   T10]      addrconf_dad_work+0x10b/0xab0
[  844.237559][   T10]      process_one_work+0x84d/0x18a0
[  844.237559][   T10]      worker_thread+0x587/0xd30
[  844.237559][   T10]      kthread+0x28a/0x350
[  844.237559][   T10]      ret_from_fork+0x31/0x70
[  844.237559][   T10]      ret_from_fork_asm+0x1a/0x30
[  844.237559][   T10] 
[  844.239799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.239799][   T10]      netdev_get_by_index+0x5e/0x80
[  844.239799][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.239799][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.239799][   T10]      ip6_route_add+0x1c/0x140
[  844.239799][   T10]      addrconf_prefix_route+0x2a6/0x430
[  844.239799][   T10]      inet6_addr_add+0x4f8/0xa40
[  844.239799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.239799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.239799][   T10]      netlink_rcv_skb+0x130/0x360
[  844.239799][   T10]      netlink_unicast+0x449/0x710
[  844.239799][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.239799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.239799][   T10]      ___sys_sendmsg+0xee/0x170
[  844.239799][   T10]      __sys_sendmsg+0xcd/0x170
[  844.239799][   T10]      do_syscall_64+0xc6/0x1e0
[  844.239799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.239799][   T10] 
[  844.242089][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.242089][   T10]      netdev_get_by_index+0x5e/0x80
[  844.242089][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.242089][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.242089][   T10]      addrconf_f6i_alloc+0x315/0x560
[  844.242089][   T10]      ipv6_add_addr+0x411/0x2000
[  844.242089][   T10]      inet6_addr_add+0x30e/0xa40
[  844.242089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.242089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.242089][   T10]      netlink_rcv_skb+0x130/0x360
[  844.242089][   T10]      netlink_unicast+0x449/0x710
[  844.242089][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.242089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.242089][   T10]      ___sys_sendmsg+0xee/0x170
[  844.242089][   T10]      __sys_sendmsg+0xcd/0x170
[  844.242089][   T10]      do_syscall_64+0xc6/0x1e0
[  844.242089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.242089][   T10] 
[  844.244558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.244558][   T10]      netdev_get_by_index+0x5e/0x80
[  844.244558][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.244558][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.244558][   T10]      ip6_route_add+0x1c/0x140
[  844.244558][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  844.244558][   T10]      addrconf_add_dev+0xe2/0x170
[  844.244558][   T10]      inet6_addr_add+0x12f/0xa40
[  844.244558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.244558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.244558][   T10]      netlink_rcv_skb+0x130/0x360
[  844.244558][   T10]      netlink_unicast+0x449/0x710
[  844.244558][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.244558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.244558][   T10]      ___sys_sendmsg+0xee/0x170
[  844.244558][   T10]      __sys_sendmsg+0xcd/0x170
[  844.244558][   T10]      do_syscall_64+0xc6/0x1e0
[  844.244558][   T10] 
[  844.246813][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.246813][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  844.246813][   T10]      ipv6_find_idev+0x102/0x170
[  844.246813][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  844.246813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.246813][   T10]      netlink_rcv_skb+0x130/0x360
[  844.246813][   T10]      netlink_unicast+0x449/0x710
[  844.246813][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.246813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.246813][   T10]      ___sys_sendmsg+0xee/0x170
[  844.246813][   T10]      __sys_sendmsg+0xcd/0x170
[  844.246813][   T10]      do_syscall_64+0xc6/0x1e0
[  844.246813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.246813][   T10] 
[  844.248610][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  844.248610][   T10]      neigh_parms_alloc+0x1e5/0x510
[  844.248610][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  844.248610][   T10]      ipv6_find_idev+0x102/0x170
[  844.248610][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  844.248610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.248610][   T10]      netlink_rcv_skb+0x130/0x360
[  844.248610][   T10]      netlink_unicast+0x449/0x710
[  844.248610][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.248610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.248610][   T10]      ___sys_sendmsg+0xee/0x170
[  844.248610][   T10]      __sys_sendmsg+0xcd/0x170
[  844.248610][   T10]      do_syscall_64+0xc6/0x1e0
[  844.248610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.248610][   T10] 
[  844.250684][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  844.250985][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  844.250985][   T10]      netdev_get_by_index+0x5e/0x80
[  844.250985][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.250985][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.250985][   T10]      ip6_route_add+0x1c/0x140
[  844.250985][   T10]      addrconf_prefix_route+0x2a6/0x430
[  844.250985][   T10]      inet6_addr_add+0x4f8/0xa40
[  844.250985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.250985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.250985][   T10]      netlink_rcv_skb+0x130/0x360
[  844.250985][   T10]      netlink_unicast+0x449/0x710
[  844.250985][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.250985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.250985][   T10]      ___sys_sendmsg+0xee/0x170
[  844.250985][   T10]      __sys_sendmsg+0xcd/0x170
[  844.250985][   T10]      do_syscall_64+0xc6/0x1e0
[  844.250985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.250985][   T10] 
[  844.253162][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  844.253162][   T10]      netdev_get_by_index+0x5e/0x80
[  844.253162][   T10]      fib6_nh_init+0x3d8/0x1580
[  844.253162][   T10]      ip6_route_info_create+0xf18/0x17d0
[  844.253162][   T10]      addrconf_f6i_alloc+0x315/0x560
[  844.253162][   T10]      ipv6_add_addr+0x411/0x2000
[  844.253162][   T10]      inet6_addr_add+0x30e/0xa40
[  844.253162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  844.253162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.253162][   T10]      netlink_rcv_skb+0x130/0x360
[  844.253162][   T10]      netlink_unicast+0x449/0x710
[  844.253162][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.253162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.253162][   T10]      ___sys_sendmsg+0xee/0x170
[  844.253162][   T10]      __sys_sendmsg+0xcd/0x170
[  844.253162][   T10]      do_syscall_64+0xc6/0x1e0
[  844.253162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.253162][   T10] 
[  844.255169][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  844.255169][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  844.255169][   T10]      ipv6_find_idev+0x102/0x170
[  844.255169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  844.255169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.255169][   T10]      netlink_rcv_skb+0x130/0x360
[  844.255169][   T10]      netlink_unicast+0x449/0x710
[  844.255169][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.255169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.255169][   T10]      ___sys_sendmsg+0xee/0x170
[  844.255169][   T10]      __sys_sendmsg+0xcd/0x170
[  844.255169][   T10]      do_syscall_64+0xc6/0x1e0
[  844.255169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.255169][   T10] 
[  844.256711][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  844.256711][   T10]      neigh_parms_alloc+0x1e5/0x510
[  844.256711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  844.256711][   T10]      ipv6_find_idev+0x102/0x170
[  844.256711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  844.256711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  844.256711][   T10]      netlink_rcv_skb+0x130/0x360
[  844.256711][   T10]      netlink_unicast+0x449/0x710
[  844.256711][   T10]      netlink_sendmsg+0x723/0xbe0
[  844.256711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  844.256711][   T10]      ___sys_sendmsg+0xee/0x170
[  844.256711][   T10]      __sys_sendmsg+0xcd/0x170
[  844.256711][   T10]      do_syscall_64+0xc6/0x1e0
[  844.256711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  844.256711][   T10] 
[  854.408606][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  854.409033][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.409033][   T10]      dst_init+0x84/0x4a0
[  854.409033][   T10]      dst_alloc+0x97/0x150
[  854.409033][   T10]      ip6_dst_alloc+0x23/0x90
[  854.409033][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  854.409033][   T10]      ip6_pol_route+0x56f/0x840
[  854.409033][   T10]      fib6_rule_lookup+0x456/0x630
[  854.409033][   T10]      ip6_route_input+0x59c/0xa50
[  854.409033][   T10]      ipv6_rcv+0x397/0x810
[  854.409033][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  854.409033][   T10]      process_backlog+0x101/0x620
[  854.409033][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  854.409033][   T10]      net_rx_action+0x495/0xbe0
[  854.409033][   T10]      __do_softirq+0x1b5/0x7f6
[  854.409033][   T10] 
[  854.410745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.410745][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  854.410745][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  854.410745][   T10]      fib6_nh_init+0xa22/0x1580
[  854.410745][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.410745][   T10]      ip6_route_add+0x1c/0x140
[  854.410745][   T10]      inet6_rtm_newroute+0x104/0x110
[  854.410745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.410745][   T10]      netlink_rcv_skb+0x130/0x360
[  854.410745][   T10]      netlink_unicast+0x449/0x710
[  854.410745][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.410745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.410745][   T10]      ___sys_sendmsg+0xee/0x170
[  854.410745][   T10]      __sys_sendmsg+0xcd/0x170
[  854.410745][   T10]      do_syscall_64+0xc6/0x1e0
[  854.410745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.410745][   T10] 
[  854.412703][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.412703][   T10]      netdev_get_by_index+0x5e/0x80
[  854.412703][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.412703][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.412703][   T10]      addrconf_f6i_alloc+0x265/0x560
[  854.412703][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  854.412703][   T10]      addrconf_join_anycast+0x1c0/0x220
[  854.412703][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  854.412703][   T10]      addrconf_dad_completed+0x12b/0xe20
[  854.412703][   T10]      addrconf_dad_begin+0x310/0x670
[  854.412703][   T10]      addrconf_dad_work+0x10b/0xab0
[  854.412703][   T10]      process_one_work+0x84d/0x18a0
[  854.412703][   T10]      worker_thread+0x587/0xd30
[  854.412703][   T10]      kthread+0x28a/0x350
[  854.412703][   T10]      ret_from_fork+0x31/0x70
[  854.412703][   T10]      ret_from_fork_asm+0x1a/0x30
[  854.412703][   T10] 
[  854.414684][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.414684][   T10]      netdev_get_by_index+0x5e/0x80
[  854.414684][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.414684][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.414684][   T10]      ip6_route_add+0x1c/0x140
[  854.414684][   T10]      addrconf_prefix_route+0x2a6/0x430
[  854.414684][   T10]      inet6_addr_add+0x4f8/0xa40
[  854.414684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.414684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.414684][   T10]      netlink_rcv_skb+0x130/0x360
[  854.414684][   T10]      netlink_unicast+0x449/0x710
[  854.414684][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.414684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.414684][   T10]      ___sys_sendmsg+0xee/0x170
[  854.414684][   T10]      __sys_sendmsg+0xcd/0x170
[  854.414684][   T10]      do_syscall_64+0xc6/0x1e0
[  854.414684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.414684][   T10] 
[  854.416746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.416746][   T10]      netdev_get_by_index+0x5e/0x80
[  854.416746][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.416746][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.416746][   T10]      addrconf_f6i_alloc+0x315/0x560
[  854.416746][   T10]      ipv6_add_addr+0x411/0x2000
[  854.416746][   T10]      inet6_addr_add+0x30e/0xa40
[  854.416746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.416746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.416746][   T10]      netlink_rcv_skb+0x130/0x360
[  854.416746][   T10]      netlink_unicast+0x449/0x710
[  854.416746][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.416746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.416746][   T10]      ___sys_sendmsg+0xee/0x170
[  854.416746][   T10]      __sys_sendmsg+0xcd/0x170
[  854.416746][   T10]      do_syscall_64+0xc6/0x1e0
[  854.416746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.416746][   T10] 
[  854.418812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.418812][   T10]      netdev_get_by_index+0x5e/0x80
[  854.418812][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.418812][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.418812][   T10]      ip6_route_add+0x1c/0x140
[  854.418812][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  854.418812][   T10]      addrconf_add_dev+0xe2/0x170
[  854.418812][   T10]      inet6_addr_add+0x12f/0xa40
[  854.418812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.418812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.418812][   T10]      netlink_rcv_skb+0x130/0x360
[  854.418812][   T10]      netlink_unicast+0x449/0x710
[  854.418812][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.418812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.418812][   T10]      ___sys_sendmsg+0xee/0x170
[  854.418812][   T10]      __sys_sendmsg+0xcd/0x170
[  854.418812][   T10]      do_syscall_64+0xc6/0x1e0
[  854.418812][   T10] 
[  854.420844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.420844][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  854.420844][   T10]      ipv6_find_idev+0x102/0x170
[  854.420844][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  854.420844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.420844][   T10]      netlink_rcv_skb+0x130/0x360
[  854.420844][   T10]      netlink_unicast+0x449/0x710
[  854.420844][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.420844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.420844][   T10]      ___sys_sendmsg+0xee/0x170
[  854.420844][   T10]      __sys_sendmsg+0xcd/0x170
[  854.420844][   T10]      do_syscall_64+0xc6/0x1e0
[  854.420844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.420844][   T10] 
[  854.422460][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  854.422460][   T10]      neigh_parms_alloc+0x1e5/0x510
[  854.422460][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  854.422460][   T10]      ipv6_find_idev+0x102/0x170
[  854.422460][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  854.422460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.422460][   T10]      netlink_rcv_skb+0x130/0x360
[  854.422460][   T10]      netlink_unicast+0x449/0x710
[  854.422460][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.422460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.422460][   T10]      ___sys_sendmsg+0xee/0x170
[  854.422460][   T10]      __sys_sendmsg+0xcd/0x170
[  854.422460][   T10]      do_syscall_64+0xc6/0x1e0
[  854.422460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.422460][   T10] 
[  854.424189][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  854.424439][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.424439][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  854.424439][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  854.424439][   T10]      fib6_nh_init+0xa22/0x1580
[  854.424439][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.424439][   T10]      ip6_route_add+0x1c/0x140
[  854.424439][   T10]      inet6_rtm_newroute+0x104/0x110
[  854.424439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.424439][   T10]      netlink_rcv_skb+0x130/0x360
[  854.424439][   T10]      netlink_unicast+0x449/0x710
[  854.424439][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.424439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.424439][   T10]      ___sys_sendmsg+0xee/0x170
[  854.424439][   T10]      __sys_sendmsg+0xcd/0x170
[  854.424439][   T10]      do_syscall_64+0xc6/0x1e0
[  854.424439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.424439][   T10] 
[  854.426610][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.426610][   T10]      dst_init+0x84/0x4a0
[  854.426610][   T10]      dst_alloc+0x97/0x150
[  854.426610][   T10]      ip6_dst_alloc+0x23/0x90
[  854.426610][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  854.426610][   T10]      ip6_pol_route+0x56f/0x840
[  854.426610][   T10]      fib6_rule_lookup+0x456/0x630
[  854.426610][   T10]      ip6_route_input+0x59c/0xa50
[  854.426610][   T10]      ipv6_rcv+0x397/0x810
[  854.426610][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  854.426610][   T10]      process_backlog+0x101/0x620
[  854.426610][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  854.426610][   T10]      net_rx_action+0x495/0xbe0
[  854.426610][   T10]      __do_softirq+0x1b5/0x7f6
[  854.426610][   T10] 
[  854.428606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.428606][   T10]      netdev_get_by_index+0x5e/0x80
[  854.428606][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.428606][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.428606][   T10]      addrconf_f6i_alloc+0x265/0x560
[  854.428606][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  854.428606][   T10]      addrconf_join_anycast+0x1c0/0x220
[  854.428606][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  854.428606][   T10]      addrconf_dad_completed+0x12b/0xe20
[  854.428606][   T10]      addrconf_dad_begin+0x310/0x670
[  854.428606][   T10]      addrconf_dad_work+0x10b/0xab0
[  854.428606][   T10]      process_one_work+0x84d/0x18a0
[  854.428606][   T10]      worker_thread+0x587/0xd30
[  854.428606][   T10]      kthread+0x28a/0x350
[  854.428606][   T10]      ret_from_fork+0x31/0x70
[  854.428606][   T10]      ret_from_fork_asm+0x1a/0x30
[  854.428606][   T10] 
[  854.430763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.430763][   T10]      netdev_get_by_index+0x5e/0x80
[  854.430763][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.430763][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.430763][   T10]      ip6_route_add+0x1c/0x140
[  854.430763][   T10]      addrconf_prefix_route+0x2a6/0x430
[  854.430763][   T10]      inet6_addr_add+0x4f8/0xa40
[  854.430763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.430763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.430763][   T10]      netlink_rcv_skb+0x130/0x360
[  854.430763][   T10]      netlink_unicast+0x449/0x710
[  854.430763][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.430763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.430763][   T10]      ___sys_sendmsg+0xee/0x170
[  854.430763][   T10]      __sys_sendmsg+0xcd/0x170
[  854.430763][   T10]      do_syscall_64+0xc6/0x1e0
[  854.430763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.430763][   T10] 
[  854.432978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.432978][   T10]      netdev_get_by_index+0x5e/0x80
[  854.432978][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.432978][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.432978][   T10]      addrconf_f6i_alloc+0x315/0x560
[  854.432978][   T10]      ipv6_add_addr+0x411/0x2000
[  854.432978][   T10]      inet6_addr_add+0x30e/0xa40
[  854.432978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.432978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.432978][   T10]      netlink_rcv_skb+0x130/0x360
[  854.432978][   T10]      netlink_unicast+0x449/0x710
[  854.432978][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.432978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.432978][   T10]      ___sys_sendmsg+0xee/0x170
[  854.432978][   T10]      __sys_sendmsg+0xcd/0x170
[  854.432978][   T10]      do_syscall_64+0xc6/0x1e0
[  854.432978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.432978][   T10] 
[  854.435323][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.435323][   T10]      netdev_get_by_index+0x5e/0x80
[  854.435323][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.435323][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.435323][   T10]      ip6_route_add+0x1c/0x140
[  854.435323][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  854.435323][   T10]      addrconf_add_dev+0xe2/0x170
[  854.435323][   T10]      inet6_addr_add+0x12f/0xa40
[  854.435323][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.435323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.435323][   T10]      netlink_rcv_skb+0x130/0x360
[  854.435323][   T10]      netlink_unicast+0x449/0x710
[  854.435323][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.435323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.435323][   T10]      ___sys_sendmsg+0xee/0x170
[  854.435323][   T10]      __sys_sendmsg+0xcd/0x170
[  854.435323][   T10]      do_syscall_64+0xc6/0x1e0
[  854.435323][   T10] 
[  854.437645][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.437645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  854.437645][   T10]      ipv6_find_idev+0x102/0x170
[  854.437645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  854.437645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.437645][   T10]      netlink_rcv_skb+0x130/0x360
[  854.437645][   T10]      netlink_unicast+0x449/0x710
[  854.437645][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.437645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.437645][   T10]      ___sys_sendmsg+0xee/0x170
[  854.437645][   T10]      __sys_sendmsg+0xcd/0x170
[  854.437645][   T10]      do_syscall_64+0xc6/0x1e0
[  854.437645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.437645][   T10] 
[  854.439378][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  854.439378][   T10]      neigh_parms_alloc+0x1e5/0x510
[  854.439378][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  854.439378][   T10]      ipv6_find_idev+0x102/0x170
[  854.439378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  854.439378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.439378][   T10]      netlink_rcv_skb+0x130/0x360
[  854.439378][   T10]      netlink_unicast+0x449/0x710
[  854.439378][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.439378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.439378][   T10]      ___sys_sendmsg+0xee/0x170
[  854.439378][   T10]      __sys_sendmsg+0xcd/0x170
[  854.439378][   T10]      do_syscall_64+0xc6/0x1e0
[  854.439378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.439378][   T10] 
[  854.441322][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  854.441574][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  854.441574][   T10]      netdev_get_by_index+0x5e/0x80
[  854.441574][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.441574][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.441574][   T10]      ip6_route_add+0x1c/0x140
[  854.441574][   T10]      addrconf_prefix_route+0x2a6/0x430
[  854.441574][   T10]      inet6_addr_add+0x4f8/0xa40
[  854.441574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.441574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.441574][   T10]      netlink_rcv_skb+0x130/0x360
[  854.441574][   T10]      netlink_unicast+0x449/0x710
[  854.441574][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.441574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.441574][   T10]      ___sys_sendmsg+0xee/0x170
[  854.441574][   T10]      __sys_sendmsg+0xcd/0x170
[  854.441574][   T10]      do_syscall_64+0xc6/0x1e0
[  854.441574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.441574][   T10] 
[  854.443815][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  854.443815][   T10]      netdev_get_by_index+0x5e/0x80
[  854.443815][   T10]      fib6_nh_init+0x3d8/0x1580
[  854.443815][   T10]      ip6_route_info_create+0xf18/0x17d0
[  854.443815][   T10]      addrconf_f6i_alloc+0x315/0x560
[  854.443815][   T10]      ipv6_add_addr+0x411/0x2000
[  854.443815][   T10]      inet6_addr_add+0x30e/0xa40
[  854.443815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  854.443815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.443815][   T10]      netlink_rcv_skb+0x130/0x360
[  854.443815][   T10]      netlink_unicast+0x449/0x710
[  854.443815][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.443815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.443815][   T10]      ___sys_sendmsg+0xee/0x170
[  854.443815][   T10]      __sys_sendmsg+0xcd/0x170
[  854.443815][   T10]      do_syscall_64+0xc6/0x1e0
[  854.443815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.443815][   T10] 
[  854.446211][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  854.446211][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  854.446211][   T10]      ipv6_find_idev+0x102/0x170
[  854.446211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  854.446211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.446211][   T10]      netlink_rcv_skb+0x130/0x360
[  854.446211][   T10]      netlink_unicast+0x449/0x710
[  854.446211][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.446211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.446211][   T10]      ___sys_sendmsg+0xee/0x170
[  854.446211][   T10]      __sys_sendmsg+0xcd/0x170
[  854.446211][   T10]      do_syscall_64+0xc6/0x1e0
[  854.446211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.446211][   T10] 
[  854.448075][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  854.448075][   T10]      neigh_parms_alloc+0x1e5/0x510
[  854.448075][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  854.448075][   T10]      ipv6_find_idev+0x102/0x170
[  854.448075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  854.448075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  854.448075][   T10]      netlink_rcv_skb+0x130/0x360
[  854.448075][   T10]      netlink_unicast+0x449/0x710
[  854.448075][   T10]      netlink_sendmsg+0x723/0xbe0
[  854.448075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  854.448075][   T10]      ___sys_sendmsg+0xee/0x170
[  854.448075][   T10]      __sys_sendmsg+0xcd/0x170
[  854.448075][   T10]      do_syscall_64+0xc6/0x1e0
[  854.448075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  854.448075][   T10] 
[  864.544612][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  864.545005][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.545005][   T10]      dst_init+0x84/0x4a0
[  864.545005][   T10]      dst_alloc+0x97/0x150
[  864.545005][   T10]      ip6_dst_alloc+0x23/0x90
[  864.545005][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  864.545005][   T10]      ip6_pol_route+0x56f/0x840
[  864.545005][   T10]      fib6_rule_lookup+0x456/0x630
[  864.545005][   T10]      ip6_route_input+0x59c/0xa50
[  864.545005][   T10]      ipv6_rcv+0x397/0x810
[  864.545005][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  864.545005][   T10]      process_backlog+0x101/0x620
[  864.545005][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  864.545005][   T10]      net_rx_action+0x495/0xbe0
[  864.545005][   T10]      __do_softirq+0x1b5/0x7f6
[  864.545005][   T10] 
[  864.546752][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.546752][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  864.546752][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  864.546752][   T10]      fib6_nh_init+0xa22/0x1580
[  864.546752][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.546752][   T10]      ip6_route_add+0x1c/0x140
[  864.546752][   T10]      inet6_rtm_newroute+0x104/0x110
[  864.546752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.546752][   T10]      netlink_rcv_skb+0x130/0x360
[  864.546752][   T10]      netlink_unicast+0x449/0x710
[  864.546752][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.546752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.546752][   T10]      ___sys_sendmsg+0xee/0x170
[  864.546752][   T10]      __sys_sendmsg+0xcd/0x170
[  864.546752][   T10]      do_syscall_64+0xc6/0x1e0
[  864.546752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.546752][   T10] 
[  864.548765][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.548765][   T10]      netdev_get_by_index+0x5e/0x80
[  864.548765][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.548765][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.548765][   T10]      addrconf_f6i_alloc+0x265/0x560
[  864.548765][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  864.548765][   T10]      addrconf_join_anycast+0x1c0/0x220
[  864.548765][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  864.548765][   T10]      addrconf_dad_completed+0x12b/0xe20
[  864.548765][   T10]      addrconf_dad_begin+0x310/0x670
[  864.548765][   T10]      addrconf_dad_work+0x10b/0xab0
[  864.548765][   T10]      process_one_work+0x84d/0x18a0
[  864.548765][   T10]      worker_thread+0x587/0xd30
[  864.548765][   T10]      kthread+0x28a/0x350
[  864.548765][   T10]      ret_from_fork+0x31/0x70
[  864.548765][   T10]      ret_from_fork_asm+0x1a/0x30
[  864.548765][   T10] 
[  864.550776][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.550776][   T10]      netdev_get_by_index+0x5e/0x80
[  864.550776][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.550776][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.550776][   T10]      ip6_route_add+0x1c/0x140
[  864.550776][   T10]      addrconf_prefix_route+0x2a6/0x430
[  864.550776][   T10]      inet6_addr_add+0x4f8/0xa40
[  864.550776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.550776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.550776][   T10]      netlink_rcv_skb+0x130/0x360
[  864.550776][   T10]      netlink_unicast+0x449/0x710
[  864.550776][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.550776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.550776][   T10]      ___sys_sendmsg+0xee/0x170
[  864.550776][   T10]      __sys_sendmsg+0xcd/0x170
[  864.550776][   T10]      do_syscall_64+0xc6/0x1e0
[  864.550776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.550776][   T10] 
[  864.552855][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.552855][   T10]      netdev_get_by_index+0x5e/0x80
[  864.552855][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.552855][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.552855][   T10]      addrconf_f6i_alloc+0x315/0x560
[  864.552855][   T10]      ipv6_add_addr+0x411/0x2000
[  864.552855][   T10]      inet6_addr_add+0x30e/0xa40
[  864.552855][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.552855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.552855][   T10]      netlink_rcv_skb+0x130/0x360
[  864.552855][   T10]      netlink_unicast+0x449/0x710
[  864.552855][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.552855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.552855][   T10]      ___sys_sendmsg+0xee/0x170
[  864.552855][   T10]      __sys_sendmsg+0xcd/0x170
[  864.552855][   T10]      do_syscall_64+0xc6/0x1e0
[  864.552855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.552855][   T10] 
[  864.554966][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.554966][   T10]      netdev_get_by_index+0x5e/0x80
[  864.554966][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.554966][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.554966][   T10]      ip6_route_add+0x1c/0x140
[  864.554966][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  864.554966][   T10]      addrconf_add_dev+0xe2/0x170
[  864.554966][   T10]      inet6_addr_add+0x12f/0xa40
[  864.554966][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.554966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.554966][   T10]      netlink_rcv_skb+0x130/0x360
[  864.554966][   T10]      netlink_unicast+0x449/0x710
[  864.554966][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.554966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.554966][   T10]      ___sys_sendmsg+0xee/0x170
[  864.554966][   T10]      __sys_sendmsg+0xcd/0x170
[  864.554966][   T10]      do_syscall_64+0xc6/0x1e0
[  864.554966][   T10] 
[  864.557213][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.557213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  864.557213][   T10]      ipv6_find_idev+0x102/0x170
[  864.557213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  864.557213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.557213][   T10]      netlink_rcv_skb+0x130/0x360
[  864.557213][   T10]      netlink_unicast+0x449/0x710
[  864.557213][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.557213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.557213][   T10]      ___sys_sendmsg+0xee/0x170
[  864.557213][   T10]      __sys_sendmsg+0xcd/0x170
[  864.557213][   T10]      do_syscall_64+0xc6/0x1e0
[  864.557213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.557213][   T10] 
[  864.559148][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  864.559148][   T10]      neigh_parms_alloc+0x1e5/0x510
[  864.559148][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  864.559148][   T10]      ipv6_find_idev+0x102/0x170
[  864.559148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  864.559148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.559148][   T10]      netlink_rcv_skb+0x130/0x360
[  864.559148][   T10]      netlink_unicast+0x449/0x710
[  864.559148][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.559148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.559148][   T10]      ___sys_sendmsg+0xee/0x170
[  864.559148][   T10]      __sys_sendmsg+0xcd/0x170
[  864.559148][   T10]      do_syscall_64+0xc6/0x1e0
[  864.559148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.559148][   T10] 
[  864.561962][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  864.562277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.562277][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  864.562277][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  864.562277][   T10]      fib6_nh_init+0xa22/0x1580
[  864.562277][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.562277][   T10]      ip6_route_add+0x1c/0x140
[  864.562277][   T10]      inet6_rtm_newroute+0x104/0x110
[  864.562277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.562277][   T10]      netlink_rcv_skb+0x130/0x360
[  864.562277][   T10]      netlink_unicast+0x449/0x710
[  864.562277][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.562277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.562277][   T10]      ___sys_sendmsg+0xee/0x170
[  864.562277][   T10]      __sys_sendmsg+0xcd/0x170
[  864.562277][   T10]      do_syscall_64+0xc6/0x1e0
[  864.562277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.562277][   T10] 
[  864.564409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.564409][   T10]      dst_init+0x84/0x4a0
[  864.564409][   T10]      dst_alloc+0x97/0x150
[  864.564409][   T10]      ip6_dst_alloc+0x23/0x90
[  864.564409][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  864.564409][   T10]      ip6_pol_route+0x56f/0x840
[  864.564409][   T10]      fib6_rule_lookup+0x456/0x630
[  864.564409][   T10]      ip6_route_input+0x59c/0xa50
[  864.564409][   T10]      ipv6_rcv+0x397/0x810
[  864.564409][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  864.564409][   T10]      process_backlog+0x101/0x620
[  864.564409][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  864.564409][   T10]      net_rx_action+0x495/0xbe0
[  864.564409][   T10]      __do_softirq+0x1b5/0x7f6
[  864.564409][   T10] 
[  864.566290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.566290][   T10]      netdev_get_by_index+0x5e/0x80
[  864.566290][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.566290][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.566290][   T10]      addrconf_f6i_alloc+0x265/0x560
[  864.566290][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  864.566290][   T10]      addrconf_join_anycast+0x1c0/0x220
[  864.566290][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  864.566290][   T10]      addrconf_dad_completed+0x12b/0xe20
[  864.566290][   T10]      addrconf_dad_begin+0x310/0x670
[  864.566290][   T10]      addrconf_dad_work+0x10b/0xab0
[  864.566290][   T10]      process_one_work+0x84d/0x18a0
[  864.566290][   T10]      worker_thread+0x587/0xd30
[  864.566290][   T10]      kthread+0x28a/0x350
[  864.566290][   T10]      ret_from_fork+0x31/0x70
[  864.566290][   T10]      ret_from_fork_asm+0x1a/0x30
[  864.566290][   T10] 
[  864.568425][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.568425][   T10]      netdev_get_by_index+0x5e/0x80
[  864.568425][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.568425][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.568425][   T10]      ip6_route_add+0x1c/0x140
[  864.568425][   T10]      addrconf_prefix_route+0x2a6/0x430
[  864.568425][   T10]      inet6_addr_add+0x4f8/0xa40
[  864.568425][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.568425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.568425][   T10]      netlink_rcv_skb+0x130/0x360
[  864.568425][   T10]      netlink_unicast+0x449/0x710
[  864.568425][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.568425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.568425][   T10]      ___sys_sendmsg+0xee/0x170
[  864.568425][   T10]      __sys_sendmsg+0xcd/0x170
[  864.568425][   T10]      do_syscall_64+0xc6/0x1e0
[  864.568425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.568425][   T10] 
[  864.570714][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.570714][   T10]      netdev_get_by_index+0x5e/0x80
[  864.570714][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.570714][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.570714][   T10]      addrconf_f6i_alloc+0x315/0x560
[  864.570714][   T10]      ipv6_add_addr+0x411/0x2000
[  864.570714][   T10]      inet6_addr_add+0x30e/0xa40
[  864.570714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.570714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.570714][   T10]      netlink_rcv_skb+0x130/0x360
[  864.570714][   T10]      netlink_unicast+0x449/0x710
[  864.570714][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.570714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.570714][   T10]      ___sys_sendmsg+0xee/0x170
[  864.570714][   T10]      __sys_sendmsg+0xcd/0x170
[  864.570714][   T10]      do_syscall_64+0xc6/0x1e0
[  864.570714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.570714][   T10] 
[  864.573121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.573121][   T10]      netdev_get_by_index+0x5e/0x80
[  864.573121][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.573121][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.573121][   T10]      ip6_route_add+0x1c/0x140
[  864.573121][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  864.573121][   T10]      addrconf_add_dev+0xe2/0x170
[  864.573121][   T10]      inet6_addr_add+0x12f/0xa40
[  864.573121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.573121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.573121][   T10]      netlink_rcv_skb+0x130/0x360
[  864.573121][   T10]      netlink_unicast+0x449/0x710
[  864.573121][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.573121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.573121][   T10]      ___sys_sendmsg+0xee/0x170
[  864.573121][   T10]      __sys_sendmsg+0xcd/0x170
[  864.573121][   T10]      do_syscall_64+0xc6/0x1e0
[  864.573121][   T10] 
[  864.575276][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.575276][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  864.575276][   T10]      ipv6_find_idev+0x102/0x170
[  864.575276][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  864.575276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.575276][   T10]      netlink_rcv_skb+0x130/0x360
[  864.575276][   T10]      netlink_unicast+0x449/0x710
[  864.575276][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.575276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.575276][   T10]      ___sys_sendmsg+0xee/0x170
[  864.575276][   T10]      __sys_sendmsg+0xcd/0x170
[  864.575276][   T10]      do_syscall_64+0xc6/0x1e0
[  864.575276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.575276][   T10] 
[  864.577057][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  864.577057][   T10]      neigh_parms_alloc+0x1e5/0x510
[  864.577057][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  864.577057][   T10]      ipv6_find_idev+0x102/0x170
[  864.577057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  864.577057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.577057][   T10]      netlink_rcv_skb+0x130/0x360
[  864.577057][   T10]      netlink_unicast+0x449/0x710
[  864.577057][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.577057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.577057][   T10]      ___sys_sendmsg+0xee/0x170
[  864.577057][   T10]      __sys_sendmsg+0xcd/0x170
[  864.577057][   T10]      do_syscall_64+0xc6/0x1e0
[  864.577057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.577057][   T10] 
[  864.579163][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  864.579528][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  864.579528][   T10]      netdev_get_by_index+0x5e/0x80
[  864.579528][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.579528][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.579528][   T10]      ip6_route_add+0x1c/0x140
[  864.579528][   T10]      addrconf_prefix_route+0x2a6/0x430
[  864.579528][   T10]      inet6_addr_add+0x4f8/0xa40
[  864.579528][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.579528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.579528][   T10]      netlink_rcv_skb+0x130/0x360
[  864.579528][   T10]      netlink_unicast+0x449/0x710
[  864.579528][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.579528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.579528][   T10]      ___sys_sendmsg+0xee/0x170
[  864.579528][   T10]      __sys_sendmsg+0xcd/0x170
[  864.579528][   T10]      do_syscall_64+0xc6/0x1e0
[  864.579528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.579528][   T10] 
[  864.581862][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  864.581862][   T10]      netdev_get_by_index+0x5e/0x80
[  864.581862][   T10]      fib6_nh_init+0x3d8/0x1580
[  864.581862][   T10]      ip6_route_info_create+0xf18/0x17d0
[  864.581862][   T10]      addrconf_f6i_alloc+0x315/0x560
[  864.581862][   T10]      ipv6_add_addr+0x411/0x2000
[  864.581862][   T10]      inet6_addr_add+0x30e/0xa40
[  864.581862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  864.581862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.581862][   T10]      netlink_rcv_skb+0x130/0x360
[  864.581862][   T10]      netlink_unicast+0x449/0x710
[  864.581862][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.581862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.581862][   T10]      ___sys_sendmsg+0xee/0x170
[  864.581862][   T10]      __sys_sendmsg+0xcd/0x170
[  864.581862][   T10]      do_syscall_64+0xc6/0x1e0
[  864.581862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.581862][   T10] 
[  864.584176][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  864.584176][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  864.584176][   T10]      ipv6_find_idev+0x102/0x170
[  864.584176][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  864.584176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.584176][   T10]      netlink_rcv_skb+0x130/0x360
[  864.584176][   T10]      netlink_unicast+0x449/0x710
[  864.584176][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.584176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.584176][   T10]      ___sys_sendmsg+0xee/0x170
[  864.584176][   T10]      __sys_sendmsg+0xcd/0x170
[  864.584176][   T10]      do_syscall_64+0xc6/0x1e0
[  864.584176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.584176][   T10] 
[  864.586120][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  864.586120][   T10]      neigh_parms_alloc+0x1e5/0x510
[  864.586120][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  864.586120][   T10]      ipv6_find_idev+0x102/0x170
[  864.586120][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  864.586120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  864.586120][   T10]      netlink_rcv_skb+0x130/0x360
[  864.586120][   T10]      netlink_unicast+0x449/0x710
[  864.586120][   T10]      netlink_sendmsg+0x723/0xbe0
[  864.586120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  864.586120][   T10]      ___sys_sendmsg+0xee/0x170
[  864.586120][   T10]      __sys_sendmsg+0xcd/0x170
[  864.586120][   T10]      do_syscall_64+0xc6/0x1e0
[  864.586120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  864.586120][   T10] 
[  874.697608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  874.698035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.698035][   T10]      dst_init+0x84/0x4a0
[  874.698035][   T10]      dst_alloc+0x97/0x150
[  874.698035][   T10]      ip6_dst_alloc+0x23/0x90
[  874.698035][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  874.698035][   T10]      ip6_pol_route+0x56f/0x840
[  874.698035][   T10]      fib6_rule_lookup+0x456/0x630
[  874.698035][   T10]      ip6_route_input+0x59c/0xa50
[  874.698035][   T10]      ipv6_rcv+0x397/0x810
[  874.698035][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  874.698035][   T10]      process_backlog+0x101/0x620
[  874.698035][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  874.698035][   T10]      net_rx_action+0x495/0xbe0
[  874.698035][   T10]      __do_softirq+0x1b5/0x7f6
[  874.698035][   T10] 
[  874.699761][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.699761][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  874.699761][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  874.699761][   T10]      fib6_nh_init+0xa22/0x1580
[  874.699761][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.699761][   T10]      ip6_route_add+0x1c/0x140
[  874.699761][   T10]      inet6_rtm_newroute+0x104/0x110
[  874.699761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.699761][   T10]      netlink_rcv_skb+0x130/0x360
[  874.699761][   T10]      netlink_unicast+0x449/0x710
[  874.699761][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.699761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.699761][   T10]      ___sys_sendmsg+0xee/0x170
[  874.699761][   T10]      __sys_sendmsg+0xcd/0x170
[  874.699761][   T10]      do_syscall_64+0xc6/0x1e0
[  874.699761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.699761][   T10] 
[  874.701745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.701745][   T10]      netdev_get_by_index+0x5e/0x80
[  874.701745][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.701745][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.701745][   T10]      addrconf_f6i_alloc+0x265/0x560
[  874.701745][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  874.701745][   T10]      addrconf_join_anycast+0x1c0/0x220
[  874.701745][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  874.701745][   T10]      addrconf_dad_completed+0x12b/0xe20
[  874.701745][   T10]      addrconf_dad_begin+0x310/0x670
[  874.701745][   T10]      addrconf_dad_work+0x10b/0xab0
[  874.701745][   T10]      process_one_work+0x84d/0x18a0
[  874.701745][   T10]      worker_thread+0x587/0xd30
[  874.701745][   T10]      kthread+0x28a/0x350
[  874.701745][   T10]      ret_from_fork+0x31/0x70
[  874.701745][   T10]      ret_from_fork_asm+0x1a/0x30
[  874.701745][   T10] 
[  874.703699][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.703699][   T10]      netdev_get_by_index+0x5e/0x80
[  874.703699][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.703699][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.703699][   T10]      ip6_route_add+0x1c/0x140
[  874.703699][   T10]      addrconf_prefix_route+0x2a6/0x430
[  874.703699][   T10]      inet6_addr_add+0x4f8/0xa40
[  874.703699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.703699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.703699][   T10]      netlink_rcv_skb+0x130/0x360
[  874.703699][   T10]      netlink_unicast+0x449/0x710
[  874.703699][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.703699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.703699][   T10]      ___sys_sendmsg+0xee/0x170
[  874.703699][   T10]      __sys_sendmsg+0xcd/0x170
[  874.703699][   T10]      do_syscall_64+0xc6/0x1e0
[  874.703699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.703699][   T10] 
[  874.705799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.705799][   T10]      netdev_get_by_index+0x5e/0x80
[  874.705799][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.705799][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.705799][   T10]      addrconf_f6i_alloc+0x315/0x560
[  874.705799][   T10]      ipv6_add_addr+0x411/0x2000
[  874.705799][   T10]      inet6_addr_add+0x30e/0xa40
[  874.705799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.705799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.705799][   T10]      netlink_rcv_skb+0x130/0x360
[  874.705799][   T10]      netlink_unicast+0x449/0x710
[  874.705799][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.705799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.705799][   T10]      ___sys_sendmsg+0xee/0x170
[  874.705799][   T10]      __sys_sendmsg+0xcd/0x170
[  874.705799][   T10]      do_syscall_64+0xc6/0x1e0
[  874.705799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.705799][   T10] 
[  874.707952][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.707952][   T10]      netdev_get_by_index+0x5e/0x80
[  874.707952][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.707952][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.707952][   T10]      ip6_route_add+0x1c/0x140
[  874.707952][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  874.707952][   T10]      addrconf_add_dev+0xe2/0x170
[  874.707952][   T10]      inet6_addr_add+0x12f/0xa40
[  874.707952][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.707952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.707952][   T10]      netlink_rcv_skb+0x130/0x360
[  874.707952][   T10]      netlink_unicast+0x449/0x710
[  874.707952][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.707952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.707952][   T10]      ___sys_sendmsg+0xee/0x170
[  874.707952][   T10]      __sys_sendmsg+0xcd/0x170
[  874.707952][   T10]      do_syscall_64+0xc6/0x1e0
[  874.707952][   T10] 
[  874.710133][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.710133][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  874.710133][   T10]      ipv6_find_idev+0x102/0x170
[  874.710133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  874.710133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.710133][   T10]      netlink_rcv_skb+0x130/0x360
[  874.710133][   T10]      netlink_unicast+0x449/0x710
[  874.710133][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.710133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.710133][   T10]      ___sys_sendmsg+0xee/0x170
[  874.710133][   T10]      __sys_sendmsg+0xcd/0x170
[  874.710133][   T10]      do_syscall_64+0xc6/0x1e0
[  874.710133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.710133][   T10] 
[  874.711961][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  874.711961][   T10]      neigh_parms_alloc+0x1e5/0x510
[  874.711961][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  874.711961][   T10]      ipv6_find_idev+0x102/0x170
[  874.711961][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  874.711961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.711961][   T10]      netlink_rcv_skb+0x130/0x360
[  874.711961][   T10]      netlink_unicast+0x449/0x710
[  874.711961][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.711961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.711961][   T10]      ___sys_sendmsg+0xee/0x170
[  874.711961][   T10]      __sys_sendmsg+0xcd/0x170
[  874.711961][   T10]      do_syscall_64+0xc6/0x1e0
[  874.711961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.711961][   T10] 
[  874.713687][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  874.713995][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.713995][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  874.713995][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  874.713995][   T10]      fib6_nh_init+0xa22/0x1580
[  874.713995][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.713995][   T10]      ip6_route_add+0x1c/0x140
[  874.713995][   T10]      inet6_rtm_newroute+0x104/0x110
[  874.713995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.713995][   T10]      netlink_rcv_skb+0x130/0x360
[  874.713995][   T10]      netlink_unicast+0x449/0x710
[  874.713995][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.713995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.713995][   T10]      ___sys_sendmsg+0xee/0x170
[  874.713995][   T10]      __sys_sendmsg+0xcd/0x170
[  874.713995][   T10]      do_syscall_64+0xc6/0x1e0
[  874.713995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.713995][   T10] 
[  874.716380][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.716380][   T10]      dst_init+0x84/0x4a0
[  874.716380][   T10]      dst_alloc+0x97/0x150
[  874.716380][   T10]      ip6_dst_alloc+0x23/0x90
[  874.716380][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  874.716380][   T10]      ip6_pol_route+0x56f/0x840
[  874.716380][   T10]      fib6_rule_lookup+0x456/0x630
[  874.716380][   T10]      ip6_route_input+0x59c/0xa50
[  874.716380][   T10]      ipv6_rcv+0x397/0x810
[  874.716380][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  874.716380][   T10]      process_backlog+0x101/0x620
[  874.716380][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  874.716380][   T10]      net_rx_action+0x495/0xbe0
[  874.716380][   T10]      __do_softirq+0x1b5/0x7f6
[  874.716380][   T10] 
[  874.718133][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.718133][   T10]      netdev_get_by_index+0x5e/0x80
[  874.718133][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.718133][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.718133][   T10]      addrconf_f6i_alloc+0x265/0x560
[  874.718133][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  874.718133][   T10]      addrconf_join_anycast+0x1c0/0x220
[  874.718133][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  874.718133][   T10]      addrconf_dad_completed+0x12b/0xe20
[  874.718133][   T10]      addrconf_dad_begin+0x310/0x670
[  874.718133][   T10]      addrconf_dad_work+0x10b/0xab0
[  874.718133][   T10]      process_one_work+0x84d/0x18a0
[  874.718133][   T10]      worker_thread+0x587/0xd30
[  874.718133][   T10]      kthread+0x28a/0x350
[  874.718133][   T10]      ret_from_fork+0x31/0x70
[  874.718133][   T10]      ret_from_fork_asm+0x1a/0x30
[  874.718133][   T10] 
[  874.720270][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.720270][   T10]      netdev_get_by_index+0x5e/0x80
[  874.720270][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.720270][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.720270][   T10]      ip6_route_add+0x1c/0x140
[  874.720270][   T10]      addrconf_prefix_route+0x2a6/0x430
[  874.720270][   T10]      inet6_addr_add+0x4f8/0xa40
[  874.720270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.720270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.720270][   T10]      netlink_rcv_skb+0x130/0x360
[  874.720270][   T10]      netlink_unicast+0x449/0x710
[  874.720270][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.720270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.720270][   T10]      ___sys_sendmsg+0xee/0x170
[  874.720270][   T10]      __sys_sendmsg+0xcd/0x170
[  874.720270][   T10]      do_syscall_64+0xc6/0x1e0
[  874.720270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.720270][   T10] 
[  874.722707][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.722707][   T10]      netdev_get_by_index+0x5e/0x80
[  874.722707][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.722707][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.722707][   T10]      addrconf_f6i_alloc+0x315/0x560
[  874.722707][   T10]      ipv6_add_addr+0x411/0x2000
[  874.722707][   T10]      inet6_addr_add+0x30e/0xa40
[  874.722707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.722707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.722707][   T10]      netlink_rcv_skb+0x130/0x360
[  874.722707][   T10]      netlink_unicast+0x449/0x710
[  874.722707][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.722707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.722707][   T10]      ___sys_sendmsg+0xee/0x170
[  874.722707][   T10]      __sys_sendmsg+0xcd/0x170
[  874.722707][   T10]      do_syscall_64+0xc6/0x1e0
[  874.722707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.722707][   T10] 
[  874.724949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.724949][   T10]      netdev_get_by_index+0x5e/0x80
[  874.724949][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.724949][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.724949][   T10]      ip6_route_add+0x1c/0x140
[  874.724949][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  874.724949][   T10]      addrconf_add_dev+0xe2/0x170
[  874.724949][   T10]      inet6_addr_add+0x12f/0xa40
[  874.724949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.724949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.724949][   T10]      netlink_rcv_skb+0x130/0x360
[  874.724949][   T10]      netlink_unicast+0x449/0x710
[  874.724949][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.724949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.724949][   T10]      ___sys_sendmsg+0xee/0x170
[  874.724949][   T10]      __sys_sendmsg+0xcd/0x170
[  874.724949][   T10]      do_syscall_64+0xc6/0x1e0
[  874.724949][   T10] 
[  874.727361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.727361][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  874.727361][   T10]      ipv6_find_idev+0x102/0x170
[  874.727361][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  874.727361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.727361][   T10]      netlink_rcv_skb+0x130/0x360
[  874.727361][   T10]      netlink_unicast+0x449/0x710
[  874.727361][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.727361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.727361][   T10]      ___sys_sendmsg+0xee/0x170
[  874.727361][   T10]      __sys_sendmsg+0xcd/0x170
[  874.727361][   T10]      do_syscall_64+0xc6/0x1e0
[  874.727361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.727361][   T10] 
[  874.729317][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  874.729317][   T10]      neigh_parms_alloc+0x1e5/0x510
[  874.729317][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  874.729317][   T10]      ipv6_find_idev+0x102/0x170
[  874.729317][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  874.729317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.729317][   T10]      netlink_rcv_skb+0x130/0x360
[  874.729317][   T10]      netlink_unicast+0x449/0x710
[  874.729317][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.729317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.729317][   T10]      ___sys_sendmsg+0xee/0x170
[  874.729317][   T10]      __sys_sendmsg+0xcd/0x170
[  874.729317][   T10]      do_syscall_64+0xc6/0x1e0
[  874.729317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.729317][   T10] 
[  874.731260][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  874.731515][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  874.731515][   T10]      netdev_get_by_index+0x5e/0x80
[  874.731515][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.731515][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.731515][   T10]      ip6_route_add+0x1c/0x140
[  874.731515][   T10]      addrconf_prefix_route+0x2a6/0x430
[  874.731515][   T10]      inet6_addr_add+0x4f8/0xa40
[  874.731515][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.731515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.731515][   T10]      netlink_rcv_skb+0x130/0x360
[  874.731515][   T10]      netlink_unicast+0x449/0x710
[  874.731515][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.731515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.731515][   T10]      ___sys_sendmsg+0xee/0x170
[  874.731515][   T10]      __sys_sendmsg+0xcd/0x170
[  874.731515][   T10]      do_syscall_64+0xc6/0x1e0
[  874.731515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.731515][   T10] 
[  874.733552][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  874.733552][   T10]      netdev_get_by_index+0x5e/0x80
[  874.733552][   T10]      fib6_nh_init+0x3d8/0x1580
[  874.733552][   T10]      ip6_route_info_create+0xf18/0x17d0
[  874.733552][   T10]      addrconf_f6i_alloc+0x315/0x560
[  874.733552][   T10]      ipv6_add_addr+0x411/0x2000
[  874.733552][   T10]      inet6_addr_add+0x30e/0xa40
[  874.733552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  874.733552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.733552][   T10]      netlink_rcv_skb+0x130/0x360
[  874.733552][   T10]      netlink_unicast+0x449/0x710
[  874.733552][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.733552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.733552][   T10]      ___sys_sendmsg+0xee/0x170
[  874.733552][   T10]      __sys_sendmsg+0xcd/0x170
[  874.733552][   T10]      do_syscall_64+0xc6/0x1e0
[  874.733552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.733552][   T10] 
[  874.735766][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  874.735766][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  874.735766][   T10]      ipv6_find_idev+0x102/0x170
[  874.735766][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  874.735766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.735766][   T10]      netlink_rcv_skb+0x130/0x360
[  874.735766][   T10]      netlink_unicast+0x449/0x710
[  874.735766][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.735766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.735766][   T10]      ___sys_sendmsg+0xee/0x170
[  874.735766][   T10]      __sys_sendmsg+0xcd/0x170
[  874.735766][   T10]      do_syscall_64+0xc6/0x1e0
[  874.735766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.735766][   T10] 
[  874.737579][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  874.737579][   T10]      neigh_parms_alloc+0x1e5/0x510
[  874.737579][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  874.737579][   T10]      ipv6_find_idev+0x102/0x170
[  874.737579][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  874.737579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  874.737579][   T10]      netlink_rcv_skb+0x130/0x360
[  874.737579][   T10]      netlink_unicast+0x449/0x710
[  874.737579][   T10]      netlink_sendmsg+0x723/0xbe0
[  874.737579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  874.737579][   T10]      ___sys_sendmsg+0xee/0x170
[  874.737579][   T10]      __sys_sendmsg+0xcd/0x170
[  874.737579][   T10]      do_syscall_64+0xc6/0x1e0
[  874.737579][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  874.737579][   T10] 
[  884.840645][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  884.841031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.841031][   T10]      dst_init+0x84/0x4a0
[  884.841031][   T10]      dst_alloc+0x97/0x150
[  884.841031][   T10]      ip6_dst_alloc+0x23/0x90
[  884.841031][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  884.841031][   T10]      ip6_pol_route+0x56f/0x840
[  884.841031][   T10]      fib6_rule_lookup+0x456/0x630
[  884.841031][   T10]      ip6_route_input+0x59c/0xa50
[  884.841031][   T10]      ipv6_rcv+0x397/0x810
[  884.841031][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  884.841031][   T10]      process_backlog+0x101/0x620
[  884.841031][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  884.841031][   T10]      net_rx_action+0x495/0xbe0
[  884.841031][   T10]      __do_softirq+0x1b5/0x7f6
[  884.841031][   T10] 
[  884.842771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.842771][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  884.842771][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  884.842771][   T10]      fib6_nh_init+0xa22/0x1580
[  884.842771][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.842771][   T10]      ip6_route_add+0x1c/0x140
[  884.842771][   T10]      inet6_rtm_newroute+0x104/0x110
[  884.842771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.842771][   T10]      netlink_rcv_skb+0x130/0x360
[  884.842771][   T10]      netlink_unicast+0x449/0x710
[  884.842771][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.842771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.842771][   T10]      ___sys_sendmsg+0xee/0x170
[  884.842771][   T10]      __sys_sendmsg+0xcd/0x170
[  884.842771][   T10]      do_syscall_64+0xc6/0x1e0
[  884.842771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.842771][   T10] 
[  884.844736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.844736][   T10]      netdev_get_by_index+0x5e/0x80
[  884.844736][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.844736][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.844736][   T10]      addrconf_f6i_alloc+0x265/0x560
[  884.844736][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  884.844736][   T10]      addrconf_join_anycast+0x1c0/0x220
[  884.844736][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  884.844736][   T10]      addrconf_dad_completed+0x12b/0xe20
[  884.844736][   T10]      addrconf_dad_begin+0x310/0x670
[  884.844736][   T10]      addrconf_dad_work+0x10b/0xab0
[  884.844736][   T10]      process_one_work+0x84d/0x18a0
[  884.844736][   T10]      worker_thread+0x587/0xd30
[  884.844736][   T10]      kthread+0x28a/0x350
[  884.844736][   T10]      ret_from_fork+0x31/0x70
[  884.844736][   T10]      ret_from_fork_asm+0x1a/0x30
[  884.844736][   T10] 
[  884.846744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.846744][   T10]      netdev_get_by_index+0x5e/0x80
[  884.846744][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.846744][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.846744][   T10]      ip6_route_add+0x1c/0x140
[  884.846744][   T10]      addrconf_prefix_route+0x2a6/0x430
[  884.846744][   T10]      inet6_addr_add+0x4f8/0xa40
[  884.846744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.846744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.846744][   T10]      netlink_rcv_skb+0x130/0x360
[  884.846744][   T10]      netlink_unicast+0x449/0x710
[  884.846744][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.846744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.846744][   T10]      ___sys_sendmsg+0xee/0x170
[  884.846744][   T10]      __sys_sendmsg+0xcd/0x170
[  884.846744][   T10]      do_syscall_64+0xc6/0x1e0
[  884.846744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.846744][   T10] 
[  884.848826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.848826][   T10]      netdev_get_by_index+0x5e/0x80
[  884.848826][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.848826][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.848826][   T10]      addrconf_f6i_alloc+0x315/0x560
[  884.848826][   T10]      ipv6_add_addr+0x411/0x2000
[  884.848826][   T10]      inet6_addr_add+0x30e/0xa40
[  884.848826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.848826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.848826][   T10]      netlink_rcv_skb+0x130/0x360
[  884.848826][   T10]      netlink_unicast+0x449/0x710
[  884.848826][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.848826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.848826][   T10]      ___sys_sendmsg+0xee/0x170
[  884.848826][   T10]      __sys_sendmsg+0xcd/0x170
[  884.848826][   T10]      do_syscall_64+0xc6/0x1e0
[  884.848826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.848826][   T10] 
[  884.850876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.850876][   T10]      netdev_get_by_index+0x5e/0x80
[  884.850876][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.850876][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.850876][   T10]      ip6_route_add+0x1c/0x140
[  884.850876][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  884.850876][   T10]      addrconf_add_dev+0xe2/0x170
[  884.850876][   T10]      inet6_addr_add+0x12f/0xa40
[  884.850876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.850876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.850876][   T10]      netlink_rcv_skb+0x130/0x360
[  884.850876][   T10]      netlink_unicast+0x449/0x710
[  884.850876][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.850876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.850876][   T10]      ___sys_sendmsg+0xee/0x170
[  884.850876][   T10]      __sys_sendmsg+0xcd/0x170
[  884.850876][   T10]      do_syscall_64+0xc6/0x1e0
[  884.850876][   T10] 
[  884.852921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.852921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  884.852921][   T10]      ipv6_find_idev+0x102/0x170
[  884.852921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  884.852921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.852921][   T10]      netlink_rcv_skb+0x130/0x360
[  884.852921][   T10]      netlink_unicast+0x449/0x710
[  884.852921][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.852921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.852921][   T10]      ___sys_sendmsg+0xee/0x170
[  884.852921][   T10]      __sys_sendmsg+0xcd/0x170
[  884.852921][   T10]      do_syscall_64+0xc6/0x1e0
[  884.852921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.852921][   T10] 
[  884.854492][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  884.854492][   T10]      neigh_parms_alloc+0x1e5/0x510
[  884.854492][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  884.854492][   T10]      ipv6_find_idev+0x102/0x170
[  884.854492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  884.854492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.854492][   T10]      netlink_rcv_skb+0x130/0x360
[  884.854492][   T10]      netlink_unicast+0x449/0x710
[  884.854492][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.854492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.854492][   T10]      ___sys_sendmsg+0xee/0x170
[  884.854492][   T10]      __sys_sendmsg+0xcd/0x170
[  884.854492][   T10]      do_syscall_64+0xc6/0x1e0
[  884.854492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.854492][   T10] 
[  884.856221][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  884.856473][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.856473][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  884.856473][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  884.856473][   T10]      fib6_nh_init+0xa22/0x1580
[  884.856473][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.856473][   T10]      ip6_route_add+0x1c/0x140
[  884.856473][   T10]      inet6_rtm_newroute+0x104/0x110
[  884.856473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.856473][   T10]      netlink_rcv_skb+0x130/0x360
[  884.856473][   T10]      netlink_unicast+0x449/0x710
[  884.856473][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.856473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.856473][   T10]      ___sys_sendmsg+0xee/0x170
[  884.856473][   T10]      __sys_sendmsg+0xcd/0x170
[  884.856473][   T10]      do_syscall_64+0xc6/0x1e0
[  884.856473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.856473][   T10] 
[  884.858525][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.858525][   T10]      dst_init+0x84/0x4a0
[  884.858525][   T10]      dst_alloc+0x97/0x150
[  884.858525][   T10]      ip6_dst_alloc+0x23/0x90
[  884.858525][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  884.858525][   T10]      ip6_pol_route+0x56f/0x840
[  884.858525][   T10]      fib6_rule_lookup+0x456/0x630
[  884.858525][   T10]      ip6_route_input+0x59c/0xa50
[  884.858525][   T10]      ipv6_rcv+0x397/0x810
[  884.858525][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  884.858525][   T10]      process_backlog+0x101/0x620
[  884.858525][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  884.858525][   T10]      net_rx_action+0x495/0xbe0
[  884.858525][   T10]      __do_softirq+0x1b5/0x7f6
[  884.858525][   T10] 
[  884.860303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.860303][   T10]      netdev_get_by_index+0x5e/0x80
[  884.860303][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.860303][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.860303][   T10]      addrconf_f6i_alloc+0x265/0x560
[  884.860303][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  884.860303][   T10]      addrconf_join_anycast+0x1c0/0x220
[  884.860303][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  884.860303][   T10]      addrconf_dad_completed+0x12b/0xe20
[  884.860303][   T10]      addrconf_dad_begin+0x310/0x670
[  884.860303][   T10]      addrconf_dad_work+0x10b/0xab0
[  884.860303][   T10]      process_one_work+0x84d/0x18a0
[  884.860303][   T10]      worker_thread+0x587/0xd30
[  884.860303][   T10]      kthread+0x28a/0x350
[  884.860303][   T10]      ret_from_fork+0x31/0x70
[  884.860303][   T10]      ret_from_fork_asm+0x1a/0x30
[  884.860303][   T10] 
[  884.862310][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.862310][   T10]      netdev_get_by_index+0x5e/0x80
[  884.862310][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.862310][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.862310][   T10]      ip6_route_add+0x1c/0x140
[  884.862310][   T10]      addrconf_prefix_route+0x2a6/0x430
[  884.862310][   T10]      inet6_addr_add+0x4f8/0xa40
[  884.862310][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.862310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.862310][   T10]      netlink_rcv_skb+0x130/0x360
[  884.862310][   T10]      netlink_unicast+0x449/0x710
[  884.862310][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.862310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.862310][   T10]      ___sys_sendmsg+0xee/0x170
[  884.862310][   T10]      __sys_sendmsg+0xcd/0x170
[  884.862310][   T10]      do_syscall_64+0xc6/0x1e0
[  884.862310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.862310][   T10] 
[  884.864661][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.864661][   T10]      netdev_get_by_index+0x5e/0x80
[  884.864661][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.864661][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.864661][   T10]      addrconf_f6i_alloc+0x315/0x560
[  884.864661][   T10]      ipv6_add_addr+0x411/0x2000
[  884.864661][   T10]      inet6_addr_add+0x30e/0xa40
[  884.864661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.864661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.864661][   T10]      netlink_rcv_skb+0x130/0x360
[  884.864661][   T10]      netlink_unicast+0x449/0x710
[  884.864661][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.864661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.864661][   T10]      ___sys_sendmsg+0xee/0x170
[  884.864661][   T10]      __sys_sendmsg+0xcd/0x170
[  884.864661][   T10]      do_syscall_64+0xc6/0x1e0
[  884.864661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.864661][   T10] 
[  884.866968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.866968][   T10]      netdev_get_by_index+0x5e/0x80
[  884.866968][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.866968][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.866968][   T10]      ip6_route_add+0x1c/0x140
[  884.866968][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  884.866968][   T10]      addrconf_add_dev+0xe2/0x170
[  884.866968][   T10]      inet6_addr_add+0x12f/0xa40
[  884.866968][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.866968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.866968][   T10]      netlink_rcv_skb+0x130/0x360
[  884.866968][   T10]      netlink_unicast+0x449/0x710
[  884.866968][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.866968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.866968][   T10]      ___sys_sendmsg+0xee/0x170
[  884.866968][   T10]      __sys_sendmsg+0xcd/0x170
[  884.866968][   T10]      do_syscall_64+0xc6/0x1e0
[  884.866968][   T10] 
[  884.869320][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.869320][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  884.869320][   T10]      ipv6_find_idev+0x102/0x170
[  884.869320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  884.869320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.869320][   T10]      netlink_rcv_skb+0x130/0x360
[  884.869320][   T10]      netlink_unicast+0x449/0x710
[  884.869320][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.869320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.869320][   T10]      ___sys_sendmsg+0xee/0x170
[  884.869320][   T10]      __sys_sendmsg+0xcd/0x170
[  884.869320][   T10]      do_syscall_64+0xc6/0x1e0
[  884.869320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.869320][   T10] 
[  884.871082][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  884.871082][   T10]      neigh_parms_alloc+0x1e5/0x510
[  884.871082][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  884.871082][   T10]      ipv6_find_idev+0x102/0x170
[  884.871082][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  884.871082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.871082][   T10]      netlink_rcv_skb+0x130/0x360
[  884.871082][   T10]      netlink_unicast+0x449/0x710
[  884.871082][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.871082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.871082][   T10]      ___sys_sendmsg+0xee/0x170
[  884.871082][   T10]      __sys_sendmsg+0xcd/0x170
[  884.871082][   T10]      do_syscall_64+0xc6/0x1e0
[  884.871082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.871082][   T10] 
[  884.872931][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  884.873251][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  884.873251][   T10]      netdev_get_by_index+0x5e/0x80
[  884.873251][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.873251][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.873251][   T10]      ip6_route_add+0x1c/0x140
[  884.873251][   T10]      addrconf_prefix_route+0x2a6/0x430
[  884.873251][   T10]      inet6_addr_add+0x4f8/0xa40
[  884.873251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.873251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.873251][   T10]      netlink_rcv_skb+0x130/0x360
[  884.873251][   T10]      netlink_unicast+0x449/0x710
[  884.873251][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.873251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.873251][   T10]      ___sys_sendmsg+0xee/0x170
[  884.873251][   T10]      __sys_sendmsg+0xcd/0x170
[  884.873251][   T10]      do_syscall_64+0xc6/0x1e0
[  884.873251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.873251][   T10] 
[  884.875498][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  884.875498][   T10]      netdev_get_by_index+0x5e/0x80
[  884.875498][   T10]      fib6_nh_init+0x3d8/0x1580
[  884.875498][   T10]      ip6_route_info_create+0xf18/0x17d0
[  884.875498][   T10]      addrconf_f6i_alloc+0x315/0x560
[  884.875498][   T10]      ipv6_add_addr+0x411/0x2000
[  884.875498][   T10]      inet6_addr_add+0x30e/0xa40
[  884.875498][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  884.875498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.875498][   T10]      netlink_rcv_skb+0x130/0x360
[  884.875498][   T10]      netlink_unicast+0x449/0x710
[  884.875498][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.875498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.875498][   T10]      ___sys_sendmsg+0xee/0x170
[  884.875498][   T10]      __sys_sendmsg+0xcd/0x170
[  884.875498][   T10]      do_syscall_64+0xc6/0x1e0
[  884.875498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.875498][   T10] 
[  884.877728][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  884.877728][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  884.877728][   T10]      ipv6_find_idev+0x102/0x170
[  884.877728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  884.877728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.877728][   T10]      netlink_rcv_skb+0x130/0x360
[  884.877728][   T10]      netlink_unicast+0x449/0x710
[  884.877728][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.877728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.877728][   T10]      ___sys_sendmsg+0xee/0x170
[  884.877728][   T10]      __sys_sendmsg+0xcd/0x170
[  884.877728][   T10]      do_syscall_64+0xc6/0x1e0
[  884.877728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.877728][   T10] 
[  884.879550][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  884.879550][   T10]      neigh_parms_alloc+0x1e5/0x510
[  884.879550][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  884.879550][   T10]      ipv6_find_idev+0x102/0x170
[  884.879550][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  884.879550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  884.879550][   T10]      netlink_rcv_skb+0x130/0x360
[  884.879550][   T10]      netlink_unicast+0x449/0x710
[  884.879550][   T10]      netlink_sendmsg+0x723/0xbe0
[  884.879550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  884.879550][   T10]      ___sys_sendmsg+0xee/0x170
[  884.879550][   T10]      __sys_sendmsg+0xcd/0x170
[  884.879550][   T10]      do_syscall_64+0xc6/0x1e0
[  884.879550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  884.879550][   T10] 
[  895.008609][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  895.009018][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.009018][   T10]      dst_init+0x84/0x4a0
[  895.009018][   T10]      dst_alloc+0x97/0x150
[  895.009018][   T10]      ip6_dst_alloc+0x23/0x90
[  895.009018][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  895.009018][   T10]      ip6_pol_route+0x56f/0x840
[  895.009018][   T10]      fib6_rule_lookup+0x456/0x630
[  895.009018][   T10]      ip6_route_input+0x59c/0xa50
[  895.009018][   T10]      ipv6_rcv+0x397/0x810
[  895.009018][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  895.009018][   T10]      process_backlog+0x101/0x620
[  895.009018][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  895.009018][   T10]      net_rx_action+0x495/0xbe0
[  895.009018][   T10]      __do_softirq+0x1b5/0x7f6
[  895.009018][   T10] 
[  895.010706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.010706][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  895.010706][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  895.010706][   T10]      fib6_nh_init+0xa22/0x1580
[  895.010706][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.010706][   T10]      ip6_route_add+0x1c/0x140
[  895.010706][   T10]      inet6_rtm_newroute+0x104/0x110
[  895.010706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.010706][   T10]      netlink_rcv_skb+0x130/0x360
[  895.010706][   T10]      netlink_unicast+0x449/0x710
[  895.010706][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.010706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.010706][   T10]      ___sys_sendmsg+0xee/0x170
[  895.010706][   T10]      __sys_sendmsg+0xcd/0x170
[  895.010706][   T10]      do_syscall_64+0xc6/0x1e0
[  895.010706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.010706][   T10] 
[  895.012632][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.012632][   T10]      netdev_get_by_index+0x5e/0x80
[  895.012632][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.012632][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.012632][   T10]      addrconf_f6i_alloc+0x265/0x560
[  895.012632][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  895.012632][   T10]      addrconf_join_anycast+0x1c0/0x220
[  895.012632][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  895.012632][   T10]      addrconf_dad_completed+0x12b/0xe20
[  895.012632][   T10]      addrconf_dad_begin+0x310/0x670
[  895.012632][   T10]      addrconf_dad_work+0x10b/0xab0
[  895.012632][   T10]      process_one_work+0x84d/0x18a0
[  895.012632][   T10]      worker_thread+0x587/0xd30
[  895.012632][   T10]      kthread+0x28a/0x350
[  895.012632][   T10]      ret_from_fork+0x31/0x70
[  895.012632][   T10]      ret_from_fork_asm+0x1a/0x30
[  895.012632][   T10] 
[  895.014575][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.014575][   T10]      netdev_get_by_index+0x5e/0x80
[  895.014575][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.014575][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.014575][   T10]      ip6_route_add+0x1c/0x140
[  895.014575][   T10]      addrconf_prefix_route+0x2a6/0x430
[  895.014575][   T10]      inet6_addr_add+0x4f8/0xa40
[  895.014575][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.014575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.014575][   T10]      netlink_rcv_skb+0x130/0x360
[  895.014575][   T10]      netlink_unicast+0x449/0x710
[  895.014575][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.014575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.014575][   T10]      ___sys_sendmsg+0xee/0x170
[  895.014575][   T10]      __sys_sendmsg+0xcd/0x170
[  895.014575][   T10]      do_syscall_64+0xc6/0x1e0
[  895.014575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.014575][   T10] 
[  895.016629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.016629][   T10]      netdev_get_by_index+0x5e/0x80
[  895.016629][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.016629][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.016629][   T10]      addrconf_f6i_alloc+0x315/0x560
[  895.016629][   T10]      ipv6_add_addr+0x411/0x2000
[  895.016629][   T10]      inet6_addr_add+0x30e/0xa40
[  895.016629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.016629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.016629][   T10]      netlink_rcv_skb+0x130/0x360
[  895.016629][   T10]      netlink_unicast+0x449/0x710
[  895.016629][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.016629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.016629][   T10]      ___sys_sendmsg+0xee/0x170
[  895.016629][   T10]      __sys_sendmsg+0xcd/0x170
[  895.016629][   T10]      do_syscall_64+0xc6/0x1e0
[  895.016629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.016629][   T10] 
[  895.018696][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.018696][   T10]      netdev_get_by_index+0x5e/0x80
[  895.018696][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.018696][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.018696][   T10]      ip6_route_add+0x1c/0x140
[  895.018696][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  895.018696][   T10]      addrconf_add_dev+0xe2/0x170
[  895.018696][   T10]      inet6_addr_add+0x12f/0xa40
[  895.018696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.018696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.018696][   T10]      netlink_rcv_skb+0x130/0x360
[  895.018696][   T10]      netlink_unicast+0x449/0x710
[  895.018696][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.018696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.018696][   T10]      ___sys_sendmsg+0xee/0x170
[  895.018696][   T10]      __sys_sendmsg+0xcd/0x170
[  895.018696][   T10]      do_syscall_64+0xc6/0x1e0
[  895.018696][   T10] 
[  895.020704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.020704][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  895.020704][   T10]      ipv6_find_idev+0x102/0x170
[  895.020704][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  895.020704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.020704][   T10]      netlink_rcv_skb+0x130/0x360
[  895.020704][   T10]      netlink_unicast+0x449/0x710
[  895.020704][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.020704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.020704][   T10]      ___sys_sendmsg+0xee/0x170
[  895.020704][   T10]      __sys_sendmsg+0xcd/0x170
[  895.020704][   T10]      do_syscall_64+0xc6/0x1e0
[  895.020704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.020704][   T10] 
[  895.022296][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  895.022296][   T10]      neigh_parms_alloc+0x1e5/0x510
[  895.022296][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  895.022296][   T10]      ipv6_find_idev+0x102/0x170
[  895.022296][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  895.022296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.022296][   T10]      netlink_rcv_skb+0x130/0x360
[  895.022296][   T10]      netlink_unicast+0x449/0x710
[  895.022296][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.022296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.022296][   T10]      ___sys_sendmsg+0xee/0x170
[  895.022296][   T10]      __sys_sendmsg+0xcd/0x170
[  895.022296][   T10]      do_syscall_64+0xc6/0x1e0
[  895.022296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.022296][   T10] 
[  895.024194][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  895.024505][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.024505][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  895.024505][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  895.024505][   T10]      fib6_nh_init+0xa22/0x1580
[  895.024505][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.024505][   T10]      ip6_route_add+0x1c/0x140
[  895.024505][   T10]      inet6_rtm_newroute+0x104/0x110
[  895.024505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.024505][   T10]      netlink_rcv_skb+0x130/0x360
[  895.024505][   T10]      netlink_unicast+0x449/0x710
[  895.024505][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.024505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.024505][   T10]      ___sys_sendmsg+0xee/0x170
[  895.024505][   T10]      __sys_sendmsg+0xcd/0x170
[  895.024505][   T10]      do_syscall_64+0xc6/0x1e0
[  895.024505][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.024505][   T10] 
[  895.026672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.026672][   T10]      dst_init+0x84/0x4a0
[  895.026672][   T10]      dst_alloc+0x97/0x150
[  895.026672][   T10]      ip6_dst_alloc+0x23/0x90
[  895.026672][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  895.026672][   T10]      ip6_pol_route+0x56f/0x840
[  895.026672][   T10]      fib6_rule_lookup+0x456/0x630
[  895.026672][   T10]      ip6_route_input+0x59c/0xa50
[  895.026672][   T10]      ipv6_rcv+0x397/0x810
[  895.026672][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  895.026672][   T10]      process_backlog+0x101/0x620
[  895.026672][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  895.026672][   T10]      net_rx_action+0x495/0xbe0
[  895.026672][   T10]      __do_softirq+0x1b5/0x7f6
[  895.026672][   T10] 
[  895.028531][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.028531][   T10]      netdev_get_by_index+0x5e/0x80
[  895.028531][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.028531][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.028531][   T10]      addrconf_f6i_alloc+0x265/0x560
[  895.028531][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  895.028531][   T10]      addrconf_join_anycast+0x1c0/0x220
[  895.028531][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  895.028531][   T10]      addrconf_dad_completed+0x12b/0xe20
[  895.028531][   T10]      addrconf_dad_begin+0x310/0x670
[  895.028531][   T10]      addrconf_dad_work+0x10b/0xab0
[  895.028531][   T10]      process_one_work+0x84d/0x18a0
[  895.028531][   T10]      worker_thread+0x587/0xd30
[  895.028531][   T10]      kthread+0x28a/0x350
[  895.028531][   T10]      ret_from_fork+0x31/0x70
[  895.028531][   T10]      ret_from_fork_asm+0x1a/0x30
[  895.028531][   T10] 
[  895.030765][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.030765][   T10]      netdev_get_by_index+0x5e/0x80
[  895.030765][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.030765][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.030765][   T10]      ip6_route_add+0x1c/0x140
[  895.030765][   T10]      addrconf_prefix_route+0x2a6/0x430
[  895.030765][   T10]      inet6_addr_add+0x4f8/0xa40
[  895.030765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.030765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.030765][   T10]      netlink_rcv_skb+0x130/0x360
[  895.030765][   T10]      netlink_unicast+0x449/0x710
[  895.030765][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.030765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.030765][   T10]      ___sys_sendmsg+0xee/0x170
[  895.030765][   T10]      __sys_sendmsg+0xcd/0x170
[  895.030765][   T10]      do_syscall_64+0xc6/0x1e0
[  895.030765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.030765][   T10] 
[  895.033068][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.033068][   T10]      netdev_get_by_index+0x5e/0x80
[  895.033068][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.033068][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.033068][   T10]      addrconf_f6i_alloc+0x315/0x560
[  895.033068][   T10]      ipv6_add_addr+0x411/0x2000
[  895.033068][   T10]      inet6_addr_add+0x30e/0xa40
[  895.033068][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.033068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.033068][   T10]      netlink_rcv_skb+0x130/0x360
[  895.033068][   T10]      netlink_unicast+0x449/0x710
[  895.033068][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.033068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.033068][   T10]      ___sys_sendmsg+0xee/0x170
[  895.033068][   T10]      __sys_sendmsg+0xcd/0x170
[  895.033068][   T10]      do_syscall_64+0xc6/0x1e0
[  895.033068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.033068][   T10] 
[  895.035218][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.035218][   T10]      netdev_get_by_index+0x5e/0x80
[  895.035218][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.035218][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.035218][   T10]      ip6_route_add+0x1c/0x140
[  895.035218][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  895.035218][   T10]      addrconf_add_dev+0xe2/0x170
[  895.035218][   T10]      inet6_addr_add+0x12f/0xa40
[  895.035218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.035218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.035218][   T10]      netlink_rcv_skb+0x130/0x360
[  895.035218][   T10]      netlink_unicast+0x449/0x710
[  895.035218][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.035218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.035218][   T10]      ___sys_sendmsg+0xee/0x170
[  895.035218][   T10]      __sys_sendmsg+0xcd/0x170
[  895.035218][   T10]      do_syscall_64+0xc6/0x1e0
[  895.035218][   T10] 
[  895.037478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.037478][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  895.037478][   T10]      ipv6_find_idev+0x102/0x170
[  895.037478][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  895.037478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.037478][   T10]      netlink_rcv_skb+0x130/0x360
[  895.037478][   T10]      netlink_unicast+0x449/0x710
[  895.037478][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.037478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.037478][   T10]      ___sys_sendmsg+0xee/0x170
[  895.037478][   T10]      __sys_sendmsg+0xcd/0x170
[  895.037478][   T10]      do_syscall_64+0xc6/0x1e0
[  895.037478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.037478][   T10] 
[  895.039267][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  895.039267][   T10]      neigh_parms_alloc+0x1e5/0x510
[  895.039267][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  895.039267][   T10]      ipv6_find_idev+0x102/0x170
[  895.039267][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  895.039267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.039267][   T10]      netlink_rcv_skb+0x130/0x360
[  895.039267][   T10]      netlink_unicast+0x449/0x710
[  895.039267][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.039267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.039267][   T10]      ___sys_sendmsg+0xee/0x170
[  895.039267][   T10]      __sys_sendmsg+0xcd/0x170
[  895.039267][   T10]      do_syscall_64+0xc6/0x1e0
[  895.039267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.039267][   T10] 
[  895.041141][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  895.041389][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  895.041389][   T10]      netdev_get_by_index+0x5e/0x80
[  895.041389][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.041389][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.041389][   T10]      ip6_route_add+0x1c/0x140
[  895.041389][   T10]      addrconf_prefix_route+0x2a6/0x430
[  895.041389][   T10]      inet6_addr_add+0x4f8/0xa40
[  895.041389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.041389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.041389][   T10]      netlink_rcv_skb+0x130/0x360
[  895.041389][   T10]      netlink_unicast+0x449/0x710
[  895.041389][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.041389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.041389][   T10]      ___sys_sendmsg+0xee/0x170
[  895.041389][   T10]      __sys_sendmsg+0xcd/0x170
[  895.041389][   T10]      do_syscall_64+0xc6/0x1e0
[  895.041389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.041389][   T10] 
[  895.043616][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  895.043616][   T10]      netdev_get_by_index+0x5e/0x80
[  895.043616][   T10]      fib6_nh_init+0x3d8/0x1580
[  895.043616][   T10]      ip6_route_info_create+0xf18/0x17d0
[  895.043616][   T10]      addrconf_f6i_alloc+0x315/0x560
[  895.043616][   T10]      ipv6_add_addr+0x411/0x2000
[  895.043616][   T10]      inet6_addr_add+0x30e/0xa40
[  895.043616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  895.043616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.043616][   T10]      netlink_rcv_skb+0x130/0x360
[  895.043616][   T10]      netlink_unicast+0x449/0x710
[  895.043616][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.043616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.043616][   T10]      ___sys_sendmsg+0xee/0x170
[  895.043616][   T10]      __sys_sendmsg+0xcd/0x170
[  895.043616][   T10]      do_syscall_64+0xc6/0x1e0
[  895.043616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.043616][   T10] 
[  895.045887][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  895.045887][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  895.045887][   T10]      ipv6_find_idev+0x102/0x170
[  895.045887][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  895.045887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.045887][   T10]      netlink_rcv_skb+0x130/0x360
[  895.045887][   T10]      netlink_unicast+0x449/0x710
[  895.045887][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.045887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.045887][   T10]      ___sys_sendmsg+0xee/0x170
[  895.045887][   T10]      __sys_sendmsg+0xcd/0x170
[  895.045887][   T10]      do_syscall_64+0xc6/0x1e0
[  895.045887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.045887][   T10] 
[  895.047743][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  895.047743][   T10]      neigh_parms_alloc+0x1e5/0x510
[  895.047743][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  895.047743][   T10]      ipv6_find_idev+0x102/0x170
[  895.047743][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  895.047743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  895.047743][   T10]      netlink_rcv_skb+0x130/0x360
[  895.047743][   T10]      netlink_unicast+0x449/0x710
[  895.047743][   T10]      netlink_sendmsg+0x723/0xbe0
[  895.047743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  895.047743][   T10]      ___sys_sendmsg+0xee/0x170
[  895.047743][   T10]      __sys_sendmsg+0xcd/0x170
[  895.047743][   T10]      do_syscall_64+0xc6/0x1e0
[  895.047743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  895.047743][   T10] 
[  905.145603][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  905.146038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.146038][   T10]      dst_init+0x84/0x4a0
[  905.146038][   T10]      dst_alloc+0x97/0x150
[  905.146038][   T10]      ip6_dst_alloc+0x23/0x90
[  905.146038][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  905.146038][   T10]      ip6_pol_route+0x56f/0x840
[  905.146038][   T10]      fib6_rule_lookup+0x456/0x630
[  905.146038][   T10]      ip6_route_input+0x59c/0xa50
[  905.146038][   T10]      ipv6_rcv+0x397/0x810
[  905.146038][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  905.146038][   T10]      process_backlog+0x101/0x620
[  905.146038][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  905.146038][   T10]      net_rx_action+0x495/0xbe0
[  905.146038][   T10]      __do_softirq+0x1b5/0x7f6
[  905.146038][   T10] 
[  905.147739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.147739][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  905.147739][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  905.147739][   T10]      fib6_nh_init+0xa22/0x1580
[  905.147739][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.147739][   T10]      ip6_route_add+0x1c/0x140
[  905.147739][   T10]      inet6_rtm_newroute+0x104/0x110
[  905.147739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.147739][   T10]      netlink_rcv_skb+0x130/0x360
[  905.147739][   T10]      netlink_unicast+0x449/0x710
[  905.147739][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.147739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.147739][   T10]      ___sys_sendmsg+0xee/0x170
[  905.147739][   T10]      __sys_sendmsg+0xcd/0x170
[  905.147739][   T10]      do_syscall_64+0xc6/0x1e0
[  905.147739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.147739][   T10] 
[  905.149672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.149672][   T10]      netdev_get_by_index+0x5e/0x80
[  905.149672][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.149672][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.149672][   T10]      addrconf_f6i_alloc+0x265/0x560
[  905.149672][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  905.149672][   T10]      addrconf_join_anycast+0x1c0/0x220
[  905.149672][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  905.149672][   T10]      addrconf_dad_completed+0x12b/0xe20
[  905.149672][   T10]      addrconf_dad_begin+0x310/0x670
[  905.149672][   T10]      addrconf_dad_work+0x10b/0xab0
[  905.149672][   T10]      process_one_work+0x84d/0x18a0
[  905.149672][   T10]      worker_thread+0x587/0xd30
[  905.149672][   T10]      kthread+0x28a/0x350
[  905.149672][   T10]      ret_from_fork+0x31/0x70
[  905.149672][   T10]      ret_from_fork_asm+0x1a/0x30
[  905.149672][   T10] 
[  905.151668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.151668][   T10]      netdev_get_by_index+0x5e/0x80
[  905.151668][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.151668][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.151668][   T10]      ip6_route_add+0x1c/0x140
[  905.151668][   T10]      addrconf_prefix_route+0x2a6/0x430
[  905.151668][   T10]      inet6_addr_add+0x4f8/0xa40
[  905.151668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.151668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.151668][   T10]      netlink_rcv_skb+0x130/0x360
[  905.151668][   T10]      netlink_unicast+0x449/0x710
[  905.151668][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.151668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.151668][   T10]      ___sys_sendmsg+0xee/0x170
[  905.151668][   T10]      __sys_sendmsg+0xcd/0x170
[  905.151668][   T10]      do_syscall_64+0xc6/0x1e0
[  905.151668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.151668][   T10] 
[  905.153720][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.153720][   T10]      netdev_get_by_index+0x5e/0x80
[  905.153720][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.153720][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.153720][   T10]      addrconf_f6i_alloc+0x315/0x560
[  905.153720][   T10]      ipv6_add_addr+0x411/0x2000
[  905.153720][   T10]      inet6_addr_add+0x30e/0xa40
[  905.153720][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.153720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.153720][   T10]      netlink_rcv_skb+0x130/0x360
[  905.153720][   T10]      netlink_unicast+0x449/0x710
[  905.153720][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.153720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.153720][   T10]      ___sys_sendmsg+0xee/0x170
[  905.153720][   T10]      __sys_sendmsg+0xcd/0x170
[  905.153720][   T10]      do_syscall_64+0xc6/0x1e0
[  905.153720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.153720][   T10] 
[  905.156112][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.156112][   T10]      netdev_get_by_index+0x5e/0x80
[  905.156112][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.156112][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.156112][   T10]      ip6_route_add+0x1c/0x140
[  905.156112][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  905.156112][   T10]      addrconf_add_dev+0xe2/0x170
[  905.156112][   T10]      inet6_addr_add+0x12f/0xa40
[  905.156112][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.156112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.156112][   T10]      netlink_rcv_skb+0x130/0x360
[  905.156112][   T10]      netlink_unicast+0x449/0x710
[  905.156112][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.156112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.156112][   T10]      ___sys_sendmsg+0xee/0x170
[  905.156112][   T10]      __sys_sendmsg+0xcd/0x170
[  905.156112][   T10]      do_syscall_64+0xc6/0x1e0
[  905.156112][   T10] 
[  905.158270][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.158270][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  905.158270][   T10]      ipv6_find_idev+0x102/0x170
[  905.158270][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  905.158270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.158270][   T10]      netlink_rcv_skb+0x130/0x360
[  905.158270][   T10]      netlink_unicast+0x449/0x710
[  905.158270][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.158270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.158270][   T10]      ___sys_sendmsg+0xee/0x170
[  905.158270][   T10]      __sys_sendmsg+0xcd/0x170
[  905.158270][   T10]      do_syscall_64+0xc6/0x1e0
[  905.158270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.158270][   T10] 
[  905.160105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  905.160105][   T10]      neigh_parms_alloc+0x1e5/0x510
[  905.160105][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  905.160105][   T10]      ipv6_find_idev+0x102/0x170
[  905.160105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  905.160105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.160105][   T10]      netlink_rcv_skb+0x130/0x360
[  905.160105][   T10]      netlink_unicast+0x449/0x710
[  905.160105][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.160105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.160105][   T10]      ___sys_sendmsg+0xee/0x170
[  905.160105][   T10]      __sys_sendmsg+0xcd/0x170
[  905.160105][   T10]      do_syscall_64+0xc6/0x1e0
[  905.160105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.160105][   T10] 
[  905.162344][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  905.162611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.162611][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  905.162611][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  905.162611][   T10]      fib6_nh_init+0xa22/0x1580
[  905.162611][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.162611][   T10]      ip6_route_add+0x1c/0x140
[  905.162611][   T10]      inet6_rtm_newroute+0x104/0x110
[  905.162611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.162611][   T10]      netlink_rcv_skb+0x130/0x360
[  905.162611][   T10]      netlink_unicast+0x449/0x710
[  905.162611][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.162611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.162611][   T10]      ___sys_sendmsg+0xee/0x170
[  905.162611][   T10]      __sys_sendmsg+0xcd/0x170
[  905.162611][   T10]      do_syscall_64+0xc6/0x1e0
[  905.162611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.162611][   T10] 
[  905.164503][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.164503][   T10]      dst_init+0x84/0x4a0
[  905.164503][   T10]      dst_alloc+0x97/0x150
[  905.164503][   T10]      ip6_dst_alloc+0x23/0x90
[  905.164503][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  905.164503][   T10]      ip6_pol_route+0x56f/0x840
[  905.164503][   T10]      fib6_rule_lookup+0x456/0x630
[  905.164503][   T10]      ip6_route_input+0x59c/0xa50
[  905.164503][   T10]      ipv6_rcv+0x397/0x810
[  905.164503][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  905.164503][   T10]      process_backlog+0x101/0x620
[  905.164503][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  905.164503][   T10]      net_rx_action+0x495/0xbe0
[  905.164503][   T10]      __do_softirq+0x1b5/0x7f6
[  905.164503][   T10] 
[  905.166228][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.166228][   T10]      netdev_get_by_index+0x5e/0x80
[  905.166228][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.166228][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.166228][   T10]      addrconf_f6i_alloc+0x265/0x560
[  905.166228][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  905.166228][   T10]      addrconf_join_anycast+0x1c0/0x220
[  905.166228][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  905.166228][   T10]      addrconf_dad_completed+0x12b/0xe20
[  905.166228][   T10]      addrconf_dad_begin+0x310/0x670
[  905.166228][   T10]      addrconf_dad_work+0x10b/0xab0
[  905.166228][   T10]      process_one_work+0x84d/0x18a0
[  905.166228][   T10]      worker_thread+0x587/0xd30
[  905.166228][   T10]      kthread+0x28a/0x350
[  905.166228][   T10]      ret_from_fork+0x31/0x70
[  905.166228][   T10]      ret_from_fork_asm+0x1a/0x30
[  905.166228][   T10] 
[  905.168355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.168355][   T10]      netdev_get_by_index+0x5e/0x80
[  905.168355][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.168355][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.168355][   T10]      ip6_route_add+0x1c/0x140
[  905.168355][   T10]      addrconf_prefix_route+0x2a6/0x430
[  905.168355][   T10]      inet6_addr_add+0x4f8/0xa40
[  905.168355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.168355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.168355][   T10]      netlink_rcv_skb+0x130/0x360
[  905.168355][   T10]      netlink_unicast+0x449/0x710
[  905.168355][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.168355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.168355][   T10]      ___sys_sendmsg+0xee/0x170
[  905.168355][   T10]      __sys_sendmsg+0xcd/0x170
[  905.168355][   T10]      do_syscall_64+0xc6/0x1e0
[  905.168355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.168355][   T10] 
[  905.170486][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.170486][   T10]      netdev_get_by_index+0x5e/0x80
[  905.170486][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.170486][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.170486][   T10]      addrconf_f6i_alloc+0x315/0x560
[  905.170486][   T10]      ipv6_add_addr+0x411/0x2000
[  905.170486][   T10]      inet6_addr_add+0x30e/0xa40
[  905.170486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.170486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.170486][   T10]      netlink_rcv_skb+0x130/0x360
[  905.170486][   T10]      netlink_unicast+0x449/0x710
[  905.170486][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.170486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.170486][   T10]      ___sys_sendmsg+0xee/0x170
[  905.170486][   T10]      __sys_sendmsg+0xcd/0x170
[  905.170486][   T10]      do_syscall_64+0xc6/0x1e0
[  905.170486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.170486][   T10] 
[  905.172853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.172853][   T10]      netdev_get_by_index+0x5e/0x80
[  905.172853][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.172853][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.172853][   T10]      ip6_route_add+0x1c/0x140
[  905.172853][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  905.172853][   T10]      addrconf_add_dev+0xe2/0x170
[  905.172853][   T10]      inet6_addr_add+0x12f/0xa40
[  905.172853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.172853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.172853][   T10]      netlink_rcv_skb+0x130/0x360
[  905.172853][   T10]      netlink_unicast+0x449/0x710
[  905.172853][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.172853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.172853][   T10]      ___sys_sendmsg+0xee/0x170
[  905.172853][   T10]      __sys_sendmsg+0xcd/0x170
[  905.172853][   T10]      do_syscall_64+0xc6/0x1e0
[  905.172853][   T10] 
[  905.174998][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.174998][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  905.174998][   T10]      ipv6_find_idev+0x102/0x170
[  905.174998][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  905.174998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.174998][   T10]      netlink_rcv_skb+0x130/0x360
[  905.174998][   T10]      netlink_unicast+0x449/0x710
[  905.174998][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.174998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.174998][   T10]      ___sys_sendmsg+0xee/0x170
[  905.174998][   T10]      __sys_sendmsg+0xcd/0x170
[  905.174998][   T10]      do_syscall_64+0xc6/0x1e0
[  905.174998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.174998][   T10] 
[  905.176729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  905.176729][   T10]      neigh_parms_alloc+0x1e5/0x510
[  905.176729][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  905.176729][   T10]      ipv6_find_idev+0x102/0x170
[  905.176729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  905.176729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.176729][   T10]      netlink_rcv_skb+0x130/0x360
[  905.176729][   T10]      netlink_unicast+0x449/0x710
[  905.176729][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.176729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.176729][   T10]      ___sys_sendmsg+0xee/0x170
[  905.176729][   T10]      __sys_sendmsg+0xcd/0x170
[  905.176729][   T10]      do_syscall_64+0xc6/0x1e0
[  905.176729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.176729][   T10] 
[  905.178932][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  905.179180][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  905.179180][   T10]      netdev_get_by_index+0x5e/0x80
[  905.179180][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.179180][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.179180][   T10]      ip6_route_add+0x1c/0x140
[  905.179180][   T10]      addrconf_prefix_route+0x2a6/0x430
[  905.179180][   T10]      inet6_addr_add+0x4f8/0xa40
[  905.179180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.179180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.179180][   T10]      netlink_rcv_skb+0x130/0x360
[  905.179180][   T10]      netlink_unicast+0x449/0x710
[  905.179180][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.179180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.179180][   T10]      ___sys_sendmsg+0xee/0x170
[  905.179180][   T10]      __sys_sendmsg+0xcd/0x170
[  905.179180][   T10]      do_syscall_64+0xc6/0x1e0
[  905.179180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.179180][   T10] 
[  905.181236][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  905.181236][   T10]      netdev_get_by_index+0x5e/0x80
[  905.181236][   T10]      fib6_nh_init+0x3d8/0x1580
[  905.181236][   T10]      ip6_route_info_create+0xf18/0x17d0
[  905.181236][   T10]      addrconf_f6i_alloc+0x315/0x560
[  905.181236][   T10]      ipv6_add_addr+0x411/0x2000
[  905.181236][   T10]      inet6_addr_add+0x30e/0xa40
[  905.181236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  905.181236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.181236][   T10]      netlink_rcv_skb+0x130/0x360
[  905.181236][   T10]      netlink_unicast+0x449/0x710
[  905.181236][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.181236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.181236][   T10]      ___sys_sendmsg+0xee/0x170
[  905.181236][   T10]      __sys_sendmsg+0xcd/0x170
[  905.181236][   T10]      do_syscall_64+0xc6/0x1e0
[  905.181236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.181236][   T10] 
[  905.183328][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  905.183328][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  905.183328][   T10]      ipv6_find_idev+0x102/0x170
[  905.183328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  905.183328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.183328][   T10]      netlink_rcv_skb+0x130/0x360
[  905.183328][   T10]      netlink_unicast+0x449/0x710
[  905.183328][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.183328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.183328][   T10]      ___sys_sendmsg+0xee/0x170
[  905.183328][   T10]      __sys_sendmsg+0xcd/0x170
[  905.183328][   T10]      do_syscall_64+0xc6/0x1e0
[  905.183328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.183328][   T10] 
[  905.185150][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  905.185150][   T10]      neigh_parms_alloc+0x1e5/0x510
[  905.185150][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  905.185150][   T10]      ipv6_find_idev+0x102/0x170
[  905.185150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  905.185150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  905.185150][   T10]      netlink_rcv_skb+0x130/0x360
[  905.185150][   T10]      netlink_unicast+0x449/0x710
[  905.185150][   T10]      netlink_sendmsg+0x723/0xbe0
[  905.185150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  905.185150][   T10]      ___sys_sendmsg+0xee/0x170
[  905.185150][   T10]      __sys_sendmsg+0xcd/0x170
[  905.185150][   T10]      do_syscall_64+0xc6/0x1e0
[  905.185150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  905.185150][   T10] 
[  915.312614][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  915.313069][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.313069][   T10]      dst_init+0x84/0x4a0
[  915.313069][   T10]      dst_alloc+0x97/0x150
[  915.313069][   T10]      ip6_dst_alloc+0x23/0x90
[  915.313069][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  915.313069][   T10]      ip6_pol_route+0x56f/0x840
[  915.313069][   T10]      fib6_rule_lookup+0x456/0x630
[  915.313069][   T10]      ip6_route_input+0x59c/0xa50
[  915.313069][   T10]      ipv6_rcv+0x397/0x810
[  915.313069][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  915.313069][   T10]      process_backlog+0x101/0x620
[  915.313069][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  915.313069][   T10]      net_rx_action+0x495/0xbe0
[  915.313069][   T10]      __do_softirq+0x1b5/0x7f6
[  915.313069][   T10] 
[  915.314836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.314836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  915.314836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  915.314836][   T10]      fib6_nh_init+0xa22/0x1580
[  915.314836][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.314836][   T10]      ip6_route_add+0x1c/0x140
[  915.314836][   T10]      inet6_rtm_newroute+0x104/0x110
[  915.314836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.314836][   T10]      netlink_rcv_skb+0x130/0x360
[  915.314836][   T10]      netlink_unicast+0x449/0x710
[  915.314836][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.314836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.314836][   T10]      ___sys_sendmsg+0xee/0x170
[  915.314836][   T10]      __sys_sendmsg+0xcd/0x170
[  915.314836][   T10]      do_syscall_64+0xc6/0x1e0
[  915.314836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.314836][   T10] 
[  915.316811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.316811][   T10]      netdev_get_by_index+0x5e/0x80
[  915.316811][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.316811][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.316811][   T10]      addrconf_f6i_alloc+0x265/0x560
[  915.316811][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  915.316811][   T10]      addrconf_join_anycast+0x1c0/0x220
[  915.316811][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  915.316811][   T10]      addrconf_dad_completed+0x12b/0xe20
[  915.316811][   T10]      addrconf_dad_begin+0x310/0x670
[  915.316811][   T10]      addrconf_dad_work+0x10b/0xab0
[  915.316811][   T10]      process_one_work+0x84d/0x18a0
[  915.316811][   T10]      worker_thread+0x587/0xd30
[  915.316811][   T10]      kthread+0x28a/0x350
[  915.316811][   T10]      ret_from_fork+0x31/0x70
[  915.316811][   T10]      ret_from_fork_asm+0x1a/0x30
[  915.316811][   T10] 
[  915.318801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.318801][   T10]      netdev_get_by_index+0x5e/0x80
[  915.318801][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.318801][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.318801][   T10]      ip6_route_add+0x1c/0x140
[  915.318801][   T10]      addrconf_prefix_route+0x2a6/0x430
[  915.318801][   T10]      inet6_addr_add+0x4f8/0xa40
[  915.318801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.318801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.318801][   T10]      netlink_rcv_skb+0x130/0x360
[  915.318801][   T10]      netlink_unicast+0x449/0x710
[  915.318801][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.318801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.318801][   T10]      ___sys_sendmsg+0xee/0x170
[  915.318801][   T10]      __sys_sendmsg+0xcd/0x170
[  915.318801][   T10]      do_syscall_64+0xc6/0x1e0
[  915.318801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.318801][   T10] 
[  915.320843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.320843][   T10]      netdev_get_by_index+0x5e/0x80
[  915.320843][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.320843][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.320843][   T10]      addrconf_f6i_alloc+0x315/0x560
[  915.320843][   T10]      ipv6_add_addr+0x411/0x2000
[  915.320843][   T10]      inet6_addr_add+0x30e/0xa40
[  915.320843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.320843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.320843][   T10]      netlink_rcv_skb+0x130/0x360
[  915.320843][   T10]      netlink_unicast+0x449/0x710
[  915.320843][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.320843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.320843][   T10]      ___sys_sendmsg+0xee/0x170
[  915.320843][   T10]      __sys_sendmsg+0xcd/0x170
[  915.320843][   T10]      do_syscall_64+0xc6/0x1e0
[  915.320843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.320843][   T10] 
[  915.322953][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.322953][   T10]      netdev_get_by_index+0x5e/0x80
[  915.322953][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.322953][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.322953][   T10]      ip6_route_add+0x1c/0x140
[  915.322953][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  915.322953][   T10]      addrconf_add_dev+0xe2/0x170
[  915.322953][   T10]      inet6_addr_add+0x12f/0xa40
[  915.322953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.322953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.322953][   T10]      netlink_rcv_skb+0x130/0x360
[  915.322953][   T10]      netlink_unicast+0x449/0x710
[  915.322953][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.322953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.322953][   T10]      ___sys_sendmsg+0xee/0x170
[  915.322953][   T10]      __sys_sendmsg+0xcd/0x170
[  915.322953][   T10]      do_syscall_64+0xc6/0x1e0
[  915.322953][   T10] 
[  915.325163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.325163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  915.325163][   T10]      ipv6_find_idev+0x102/0x170
[  915.325163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  915.325163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.325163][   T10]      netlink_rcv_skb+0x130/0x360
[  915.325163][   T10]      netlink_unicast+0x449/0x710
[  915.325163][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.325163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.325163][   T10]      ___sys_sendmsg+0xee/0x170
[  915.325163][   T10]      __sys_sendmsg+0xcd/0x170
[  915.325163][   T10]      do_syscall_64+0xc6/0x1e0
[  915.325163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.325163][   T10] 
[  915.326770][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  915.326770][   T10]      neigh_parms_alloc+0x1e5/0x510
[  915.326770][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  915.326770][   T10]      ipv6_find_idev+0x102/0x170
[  915.326770][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  915.326770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.326770][   T10]      netlink_rcv_skb+0x130/0x360
[  915.326770][   T10]      netlink_unicast+0x449/0x710
[  915.326770][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.326770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.326770][   T10]      ___sys_sendmsg+0xee/0x170
[  915.326770][   T10]      __sys_sendmsg+0xcd/0x170
[  915.326770][   T10]      do_syscall_64+0xc6/0x1e0
[  915.326770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.326770][   T10] 
[  915.328849][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  915.329172][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.329172][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  915.329172][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  915.329172][   T10]      fib6_nh_init+0xa22/0x1580
[  915.329172][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.329172][   T10]      ip6_route_add+0x1c/0x140
[  915.329172][   T10]      inet6_rtm_newroute+0x104/0x110
[  915.329172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.329172][   T10]      netlink_rcv_skb+0x130/0x360
[  915.329172][   T10]      netlink_unicast+0x449/0x710
[  915.329172][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.329172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.329172][   T10]      ___sys_sendmsg+0xee/0x170
[  915.329172][   T10]      __sys_sendmsg+0xcd/0x170
[  915.329172][   T10]      do_syscall_64+0xc6/0x1e0
[  915.329172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.329172][   T10] 
[  915.331304][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.331304][   T10]      dst_init+0x84/0x4a0
[  915.331304][   T10]      dst_alloc+0x97/0x150
[  915.331304][   T10]      ip6_dst_alloc+0x23/0x90
[  915.331304][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  915.331304][   T10]      ip6_pol_route+0x56f/0x840
[  915.331304][   T10]      fib6_rule_lookup+0x456/0x630
[  915.331304][   T10]      ip6_route_input+0x59c/0xa50
[  915.331304][   T10]      ipv6_rcv+0x397/0x810
[  915.331304][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  915.331304][   T10]      process_backlog+0x101/0x620
[  915.331304][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  915.331304][   T10]      net_rx_action+0x495/0xbe0
[  915.331304][   T10]      __do_softirq+0x1b5/0x7f6
[  915.331304][   T10] 
[  915.333082][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.333082][   T10]      netdev_get_by_index+0x5e/0x80
[  915.333082][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.333082][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.333082][   T10]      addrconf_f6i_alloc+0x265/0x560
[  915.333082][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  915.333082][   T10]      addrconf_join_anycast+0x1c0/0x220
[  915.333082][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  915.333082][   T10]      addrconf_dad_completed+0x12b/0xe20
[  915.333082][   T10]      addrconf_dad_begin+0x310/0x670
[  915.333082][   T10]      addrconf_dad_work+0x10b/0xab0
[  915.333082][   T10]      process_one_work+0x84d/0x18a0
[  915.333082][   T10]      worker_thread+0x587/0xd30
[  915.333082][   T10]      kthread+0x28a/0x350
[  915.333082][   T10]      ret_from_fork+0x31/0x70
[  915.333082][   T10]      ret_from_fork_asm+0x1a/0x30
[  915.333082][   T10] 
[  915.335431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.335431][   T10]      netdev_get_by_index+0x5e/0x80
[  915.335431][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.335431][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.335431][   T10]      ip6_route_add+0x1c/0x140
[  915.335431][   T10]      addrconf_prefix_route+0x2a6/0x430
[  915.335431][   T10]      inet6_addr_add+0x4f8/0xa40
[  915.335431][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.335431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.335431][   T10]      netlink_rcv_skb+0x130/0x360
[  915.335431][   T10]      netlink_unicast+0x449/0x710
[  915.335431][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.335431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.335431][   T10]      ___sys_sendmsg+0xee/0x170
[  915.335431][   T10]      __sys_sendmsg+0xcd/0x170
[  915.335431][   T10]      do_syscall_64+0xc6/0x1e0
[  915.335431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.335431][   T10] 
[  915.337618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.337618][   T10]      netdev_get_by_index+0x5e/0x80
[  915.337618][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.337618][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.337618][   T10]      addrconf_f6i_alloc+0x315/0x560
[  915.337618][   T10]      ipv6_add_addr+0x411/0x2000
[  915.337618][   T10]      inet6_addr_add+0x30e/0xa40
[  915.337618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.337618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.337618][   T10]      netlink_rcv_skb+0x130/0x360
[  915.337618][   T10]      netlink_unicast+0x449/0x710
[  915.337618][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.337618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.337618][   T10]      ___sys_sendmsg+0xee/0x170
[  915.337618][   T10]      __sys_sendmsg+0xcd/0x170
[  915.337618][   T10]      do_syscall_64+0xc6/0x1e0
[  915.337618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.337618][   T10] 
[  915.339872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.339872][   T10]      netdev_get_by_index+0x5e/0x80
[  915.339872][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.339872][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.339872][   T10]      ip6_route_add+0x1c/0x140
[  915.339872][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  915.339872][   T10]      addrconf_add_dev+0xe2/0x170
[  915.339872][   T10]      inet6_addr_add+0x12f/0xa40
[  915.339872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.339872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.339872][   T10]      netlink_rcv_skb+0x130/0x360
[  915.339872][   T10]      netlink_unicast+0x449/0x710
[  915.339872][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.339872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.339872][   T10]      ___sys_sendmsg+0xee/0x170
[  915.339872][   T10]      __sys_sendmsg+0xcd/0x170
[  915.339872][   T10]      do_syscall_64+0xc6/0x1e0
[  915.339872][   T10] 
[  915.342111][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.342111][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  915.342111][   T10]      ipv6_find_idev+0x102/0x170
[  915.342111][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  915.342111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.342111][   T10]      netlink_rcv_skb+0x130/0x360
[  915.342111][   T10]      netlink_unicast+0x449/0x710
[  915.342111][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.342111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.342111][   T10]      ___sys_sendmsg+0xee/0x170
[  915.342111][   T10]      __sys_sendmsg+0xcd/0x170
[  915.342111][   T10]      do_syscall_64+0xc6/0x1e0
[  915.342111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.342111][   T10] 
[  915.343861][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  915.343861][   T10]      neigh_parms_alloc+0x1e5/0x510
[  915.343861][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  915.343861][   T10]      ipv6_find_idev+0x102/0x170
[  915.343861][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  915.343861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.343861][   T10]      netlink_rcv_skb+0x130/0x360
[  915.343861][   T10]      netlink_unicast+0x449/0x710
[  915.343861][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.343861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.343861][   T10]      ___sys_sendmsg+0xee/0x170
[  915.343861][   T10]      __sys_sendmsg+0xcd/0x170
[  915.343861][   T10]      do_syscall_64+0xc6/0x1e0
[  915.343861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.343861][   T10] 
[  915.345878][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  915.346135][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  915.346135][   T10]      netdev_get_by_index+0x5e/0x80
[  915.346135][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.346135][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.346135][   T10]      ip6_route_add+0x1c/0x140
[  915.346135][   T10]      addrconf_prefix_route+0x2a6/0x430
[  915.346135][   T10]      inet6_addr_add+0x4f8/0xa40
[  915.346135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.346135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.346135][   T10]      netlink_rcv_skb+0x130/0x360
[  915.346135][   T10]      netlink_unicast+0x449/0x710
[  915.346135][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.346135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.346135][   T10]      ___sys_sendmsg+0xee/0x170
[  915.346135][   T10]      __sys_sendmsg+0xcd/0x170
[  915.346135][   T10]      do_syscall_64+0xc6/0x1e0
[  915.346135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.346135][   T10] 
[  915.348685][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  915.348685][   T10]      netdev_get_by_index+0x5e/0x80
[  915.348685][   T10]      fib6_nh_init+0x3d8/0x1580
[  915.348685][   T10]      ip6_route_info_create+0xf18/0x17d0
[  915.348685][   T10]      addrconf_f6i_alloc+0x315/0x560
[  915.348685][   T10]      ipv6_add_addr+0x411/0x2000
[  915.348685][   T10]      inet6_addr_add+0x30e/0xa40
[  915.348685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  915.348685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.348685][   T10]      netlink_rcv_skb+0x130/0x360
[  915.348685][   T10]      netlink_unicast+0x449/0x710
[  915.348685][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.348685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.348685][   T10]      ___sys_sendmsg+0xee/0x170
[  915.348685][   T10]      __sys_sendmsg+0xcd/0x170
[  915.348685][   T10]      do_syscall_64+0xc6/0x1e0
[  915.348685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.348685][   T10] 
[  915.350936][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  915.350936][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  915.350936][   T10]      ipv6_find_idev+0x102/0x170
[  915.350936][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  915.350936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.350936][   T10]      netlink_rcv_skb+0x130/0x360
[  915.350936][   T10]      netlink_unicast+0x449/0x710
[  915.350936][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.350936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.350936][   T10]      ___sys_sendmsg+0xee/0x170
[  915.350936][   T10]      __sys_sendmsg+0xcd/0x170
[  915.350936][   T10]      do_syscall_64+0xc6/0x1e0
[  915.350936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.350936][   T10] 
[  915.352516][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  915.352516][   T10]      neigh_parms_alloc+0x1e5/0x510
[  915.352516][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  915.352516][   T10]      ipv6_find_idev+0x102/0x170
[  915.352516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  915.352516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  915.352516][   T10]      netlink_rcv_skb+0x130/0x360
[  915.352516][   T10]      netlink_unicast+0x449/0x710
[  915.352516][   T10]      netlink_sendmsg+0x723/0xbe0
[  915.352516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  915.352516][   T10]      ___sys_sendmsg+0xee/0x170
[  915.352516][   T10]      __sys_sendmsg+0xcd/0x170
[  915.352516][   T10]      do_syscall_64+0xc6/0x1e0
[  915.352516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  915.352516][   T10] 
[  925.465605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  925.466096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.466096][   T10]      dst_init+0x84/0x4a0
[  925.466096][   T10]      dst_alloc+0x97/0x150
[  925.466096][   T10]      ip6_dst_alloc+0x23/0x90
[  925.466096][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  925.466096][   T10]      ip6_pol_route+0x56f/0x840
[  925.466096][   T10]      fib6_rule_lookup+0x456/0x630
[  925.466096][   T10]      ip6_route_input+0x59c/0xa50
[  925.466096][   T10]      ipv6_rcv+0x397/0x810
[  925.466096][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  925.466096][   T10]      process_backlog+0x101/0x620
[  925.466096][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  925.466096][   T10]      net_rx_action+0x495/0xbe0
[  925.466096][   T10]      __do_softirq+0x1b5/0x7f6
[  925.466096][   T10] 
[  925.467863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.467863][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  925.467863][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  925.467863][   T10]      fib6_nh_init+0xa22/0x1580
[  925.467863][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.467863][   T10]      ip6_route_add+0x1c/0x140
[  925.467863][   T10]      inet6_rtm_newroute+0x104/0x110
[  925.467863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.467863][   T10]      netlink_rcv_skb+0x130/0x360
[  925.467863][   T10]      netlink_unicast+0x449/0x710
[  925.467863][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.467863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.467863][   T10]      ___sys_sendmsg+0xee/0x170
[  925.467863][   T10]      __sys_sendmsg+0xcd/0x170
[  925.467863][   T10]      do_syscall_64+0xc6/0x1e0
[  925.467863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.467863][   T10] 
[  925.469886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.469886][   T10]      netdev_get_by_index+0x5e/0x80
[  925.469886][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.469886][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.469886][   T10]      addrconf_f6i_alloc+0x265/0x560
[  925.469886][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  925.469886][   T10]      addrconf_join_anycast+0x1c0/0x220
[  925.469886][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  925.469886][   T10]      addrconf_dad_completed+0x12b/0xe20
[  925.469886][   T10]      addrconf_dad_begin+0x310/0x670
[  925.469886][   T10]      addrconf_dad_work+0x10b/0xab0
[  925.469886][   T10]      process_one_work+0x84d/0x18a0
[  925.469886][   T10]      worker_thread+0x587/0xd30
[  925.469886][   T10]      kthread+0x28a/0x350
[  925.469886][   T10]      ret_from_fork+0x31/0x70
[  925.469886][   T10]      ret_from_fork_asm+0x1a/0x30
[  925.469886][   T10] 
[  925.471894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.471894][   T10]      netdev_get_by_index+0x5e/0x80
[  925.471894][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.471894][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.471894][   T10]      ip6_route_add+0x1c/0x140
[  925.471894][   T10]      addrconf_prefix_route+0x2a6/0x430
[  925.471894][   T10]      inet6_addr_add+0x4f8/0xa40
[  925.471894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.471894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.471894][   T10]      netlink_rcv_skb+0x130/0x360
[  925.471894][   T10]      netlink_unicast+0x449/0x710
[  925.471894][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.471894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.471894][   T10]      ___sys_sendmsg+0xee/0x170
[  925.471894][   T10]      __sys_sendmsg+0xcd/0x170
[  925.471894][   T10]      do_syscall_64+0xc6/0x1e0
[  925.471894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.471894][   T10] 
[  925.474003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.474003][   T10]      netdev_get_by_index+0x5e/0x80
[  925.474003][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.474003][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.474003][   T10]      addrconf_f6i_alloc+0x315/0x560
[  925.474003][   T10]      ipv6_add_addr+0x411/0x2000
[  925.474003][   T10]      inet6_addr_add+0x30e/0xa40
[  925.474003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.474003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.474003][   T10]      netlink_rcv_skb+0x130/0x360
[  925.474003][   T10]      netlink_unicast+0x449/0x710
[  925.474003][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.474003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.474003][   T10]      ___sys_sendmsg+0xee/0x170
[  925.474003][   T10]      __sys_sendmsg+0xcd/0x170
[  925.474003][   T10]      do_syscall_64+0xc6/0x1e0
[  925.474003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.474003][   T10] 
[  925.476076][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.476076][   T10]      netdev_get_by_index+0x5e/0x80
[  925.476076][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.476076][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.476076][   T10]      ip6_route_add+0x1c/0x140
[  925.476076][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  925.476076][   T10]      addrconf_add_dev+0xe2/0x170
[  925.476076][   T10]      inet6_addr_add+0x12f/0xa40
[  925.476076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.476076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.476076][   T10]      netlink_rcv_skb+0x130/0x360
[  925.476076][   T10]      netlink_unicast+0x449/0x710
[  925.476076][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.476076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.476076][   T10]      ___sys_sendmsg+0xee/0x170
[  925.476076][   T10]      __sys_sendmsg+0xcd/0x170
[  925.476076][   T10]      do_syscall_64+0xc6/0x1e0
[  925.476076][   T10] 
[  925.478375][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.478375][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  925.478375][   T10]      ipv6_find_idev+0x102/0x170
[  925.478375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  925.478375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.478375][   T10]      netlink_rcv_skb+0x130/0x360
[  925.478375][   T10]      netlink_unicast+0x449/0x710
[  925.478375][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.478375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.478375][   T10]      ___sys_sendmsg+0xee/0x170
[  925.478375][   T10]      __sys_sendmsg+0xcd/0x170
[  925.478375][   T10]      do_syscall_64+0xc6/0x1e0
[  925.478375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.478375][   T10] 
[  925.480189][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  925.480189][   T10]      neigh_parms_alloc+0x1e5/0x510
[  925.480189][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  925.480189][   T10]      ipv6_find_idev+0x102/0x170
[  925.480189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  925.480189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.480189][   T10]      netlink_rcv_skb+0x130/0x360
[  925.480189][   T10]      netlink_unicast+0x449/0x710
[  925.480189][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.480189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.480189][   T10]      ___sys_sendmsg+0xee/0x170
[  925.480189][   T10]      __sys_sendmsg+0xcd/0x170
[  925.480189][   T10]      do_syscall_64+0xc6/0x1e0
[  925.480189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.480189][   T10] 
[  925.482085][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  925.482405][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.482405][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  925.482405][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  925.482405][   T10]      fib6_nh_init+0xa22/0x1580
[  925.482405][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.482405][   T10]      ip6_route_add+0x1c/0x140
[  925.482405][   T10]      inet6_rtm_newroute+0x104/0x110
[  925.482405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.482405][   T10]      netlink_rcv_skb+0x130/0x360
[  925.482405][   T10]      netlink_unicast+0x449/0x710
[  925.482405][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.482405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.482405][   T10]      ___sys_sendmsg+0xee/0x170
[  925.482405][   T10]      __sys_sendmsg+0xcd/0x170
[  925.482405][   T10]      do_syscall_64+0xc6/0x1e0
[  925.482405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.482405][   T10] 
[  925.484651][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.484651][   T10]      dst_init+0x84/0x4a0
[  925.484651][   T10]      dst_alloc+0x97/0x150
[  925.484651][   T10]      ip6_dst_alloc+0x23/0x90
[  925.484651][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  925.484651][   T10]      ip6_pol_route+0x56f/0x840
[  925.484651][   T10]      fib6_rule_lookup+0x456/0x630
[  925.484651][   T10]      ip6_route_input+0x59c/0xa50
[  925.484651][   T10]      ipv6_rcv+0x397/0x810
[  925.484651][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  925.484651][   T10]      process_backlog+0x101/0x620
[  925.484651][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  925.484651][   T10]      net_rx_action+0x495/0xbe0
[  925.484651][   T10]      __do_softirq+0x1b5/0x7f6
[  925.484651][   T10] 
[  925.486495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.486495][   T10]      netdev_get_by_index+0x5e/0x80
[  925.486495][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.486495][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.486495][   T10]      addrconf_f6i_alloc+0x265/0x560
[  925.486495][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  925.486495][   T10]      addrconf_join_anycast+0x1c0/0x220
[  925.486495][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  925.486495][   T10]      addrconf_dad_completed+0x12b/0xe20
[  925.486495][   T10]      addrconf_dad_begin+0x310/0x670
[  925.486495][   T10]      addrconf_dad_work+0x10b/0xab0
[  925.486495][   T10]      process_one_work+0x84d/0x18a0
[  925.486495][   T10]      worker_thread+0x587/0xd30
[  925.486495][   T10]      kthread+0x28a/0x350
[  925.486495][   T10]      ret_from_fork+0x31/0x70
[  925.486495][   T10]      ret_from_fork_asm+0x1a/0x30
[  925.486495][   T10] 
[  925.488766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.488766][   T10]      netdev_get_by_index+0x5e/0x80
[  925.488766][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.488766][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.488766][   T10]      ip6_route_add+0x1c/0x140
[  925.488766][   T10]      addrconf_prefix_route+0x2a6/0x430
[  925.488766][   T10]      inet6_addr_add+0x4f8/0xa40
[  925.488766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.488766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.488766][   T10]      netlink_rcv_skb+0x130/0x360
[  925.488766][   T10]      netlink_unicast+0x449/0x710
[  925.488766][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.488766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.488766][   T10]      ___sys_sendmsg+0xee/0x170
[  925.488766][   T10]      __sys_sendmsg+0xcd/0x170
[  925.488766][   T10]      do_syscall_64+0xc6/0x1e0
[  925.488766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.488766][   T10] 
[  925.491084][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.491084][   T10]      netdev_get_by_index+0x5e/0x80
[  925.491084][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.491084][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.491084][   T10]      addrconf_f6i_alloc+0x315/0x560
[  925.491084][   T10]      ipv6_add_addr+0x411/0x2000
[  925.491084][   T10]      inet6_addr_add+0x30e/0xa40
[  925.491084][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.491084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.491084][   T10]      netlink_rcv_skb+0x130/0x360
[  925.491084][   T10]      netlink_unicast+0x449/0x710
[  925.491084][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.491084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.491084][   T10]      ___sys_sendmsg+0xee/0x170
[  925.491084][   T10]      __sys_sendmsg+0xcd/0x170
[  925.491084][   T10]      do_syscall_64+0xc6/0x1e0
[  925.491084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.491084][   T10] 
[  925.493233][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.493233][   T10]      netdev_get_by_index+0x5e/0x80
[  925.493233][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.493233][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.493233][   T10]      ip6_route_add+0x1c/0x140
[  925.493233][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  925.493233][   T10]      addrconf_add_dev+0xe2/0x170
[  925.493233][   T10]      inet6_addr_add+0x12f/0xa40
[  925.493233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.493233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.493233][   T10]      netlink_rcv_skb+0x130/0x360
[  925.493233][   T10]      netlink_unicast+0x449/0x710
[  925.493233][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.493233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.493233][   T10]      ___sys_sendmsg+0xee/0x170
[  925.493233][   T10]      __sys_sendmsg+0xcd/0x170
[  925.493233][   T10]      do_syscall_64+0xc6/0x1e0
[  925.493233][   T10] 
[  925.495455][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.495455][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  925.495455][   T10]      ipv6_find_idev+0x102/0x170
[  925.495455][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  925.495455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.495455][   T10]      netlink_rcv_skb+0x130/0x360
[  925.495455][   T10]      netlink_unicast+0x449/0x710
[  925.495455][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.495455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.495455][   T10]      ___sys_sendmsg+0xee/0x170
[  925.495455][   T10]      __sys_sendmsg+0xcd/0x170
[  925.495455][   T10]      do_syscall_64+0xc6/0x1e0
[  925.495455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.495455][   T10] 
[  925.497130][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  925.497130][   T10]      neigh_parms_alloc+0x1e5/0x510
[  925.497130][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  925.497130][   T10]      ipv6_find_idev+0x102/0x170
[  925.497130][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  925.497130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.497130][   T10]      netlink_rcv_skb+0x130/0x360
[  925.497130][   T10]      netlink_unicast+0x449/0x710
[  925.497130][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.497130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.497130][   T10]      ___sys_sendmsg+0xee/0x170
[  925.497130][   T10]      __sys_sendmsg+0xcd/0x170
[  925.497130][   T10]      do_syscall_64+0xc6/0x1e0
[  925.497130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.497130][   T10] 
[  925.499284][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  925.499588][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  925.499588][   T10]      netdev_get_by_index+0x5e/0x80
[  925.499588][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.499588][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.499588][   T10]      ip6_route_add+0x1c/0x140
[  925.499588][   T10]      addrconf_prefix_route+0x2a6/0x430
[  925.499588][   T10]      inet6_addr_add+0x4f8/0xa40
[  925.499588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.499588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.499588][   T10]      netlink_rcv_skb+0x130/0x360
[  925.499588][   T10]      netlink_unicast+0x449/0x710
[  925.499588][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.499588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.499588][   T10]      ___sys_sendmsg+0xee/0x170
[  925.499588][   T10]      __sys_sendmsg+0xcd/0x170
[  925.499588][   T10]      do_syscall_64+0xc6/0x1e0
[  925.499588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.499588][   T10] 
[  925.501805][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  925.501805][   T10]      netdev_get_by_index+0x5e/0x80
[  925.501805][   T10]      fib6_nh_init+0x3d8/0x1580
[  925.501805][   T10]      ip6_route_info_create+0xf18/0x17d0
[  925.501805][   T10]      addrconf_f6i_alloc+0x315/0x560
[  925.501805][   T10]      ipv6_add_addr+0x411/0x2000
[  925.501805][   T10]      inet6_addr_add+0x30e/0xa40
[  925.501805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  925.501805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.501805][   T10]      netlink_rcv_skb+0x130/0x360
[  925.501805][   T10]      netlink_unicast+0x449/0x710
[  925.501805][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.501805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.501805][   T10]      ___sys_sendmsg+0xee/0x170
[  925.501805][   T10]      __sys_sendmsg+0xcd/0x170
[  925.501805][   T10]      do_syscall_64+0xc6/0x1e0
[  925.501805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.501805][   T10] 
[  925.504063][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  925.504063][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  925.504063][   T10]      ipv6_find_idev+0x102/0x170
[  925.504063][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  925.504063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.504063][   T10]      netlink_rcv_skb+0x130/0x360
[  925.504063][   T10]      netlink_unicast+0x449/0x710
[  925.504063][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.504063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.504063][   T10]      ___sys_sendmsg+0xee/0x170
[  925.504063][   T10]      __sys_sendmsg+0xcd/0x170
[  925.504063][   T10]      do_syscall_64+0xc6/0x1e0
[  925.504063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.504063][   T10] 
[  925.506040][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  925.506040][   T10]      neigh_parms_alloc+0x1e5/0x510
[  925.506040][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  925.506040][   T10]      ipv6_find_idev+0x102/0x170
[  925.506040][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  925.506040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  925.506040][   T10]      netlink_rcv_skb+0x130/0x360
[  925.506040][   T10]      netlink_unicast+0x449/0x710
[  925.506040][   T10]      netlink_sendmsg+0x723/0xbe0
[  925.506040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  925.506040][   T10]      ___sys_sendmsg+0xee/0x170
[  925.506040][   T10]      __sys_sendmsg+0xcd/0x170
[  925.506040][   T10]      do_syscall_64+0xc6/0x1e0
[  925.506040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  925.506040][   T10] 
[  935.616715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  935.617137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.617137][   T10]      dst_init+0x84/0x4a0
[  935.617137][   T10]      dst_alloc+0x97/0x150
[  935.617137][   T10]      ip6_dst_alloc+0x23/0x90
[  935.617137][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  935.617137][   T10]      ip6_pol_route+0x56f/0x840
[  935.617137][   T10]      fib6_rule_lookup+0x456/0x630
[  935.617137][   T10]      ip6_route_input+0x59c/0xa50
[  935.617137][   T10]      ipv6_rcv+0x397/0x810
[  935.617137][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  935.617137][   T10]      process_backlog+0x101/0x620
[  935.617137][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  935.617137][   T10]      net_rx_action+0x495/0xbe0
[  935.617137][   T10]      __do_softirq+0x1b5/0x7f6
[  935.617137][   T10] 
[  935.618843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.618843][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  935.618843][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  935.618843][   T10]      fib6_nh_init+0xa22/0x1580
[  935.618843][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.618843][   T10]      ip6_route_add+0x1c/0x140
[  935.618843][   T10]      inet6_rtm_newroute+0x104/0x110
[  935.618843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.618843][   T10]      netlink_rcv_skb+0x130/0x360
[  935.618843][   T10]      netlink_unicast+0x449/0x710
[  935.618843][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.618843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.618843][   T10]      ___sys_sendmsg+0xee/0x170
[  935.618843][   T10]      __sys_sendmsg+0xcd/0x170
[  935.618843][   T10]      do_syscall_64+0xc6/0x1e0
[  935.618843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.618843][   T10] 
[  935.620836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.620836][   T10]      netdev_get_by_index+0x5e/0x80
[  935.620836][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.620836][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.620836][   T10]      addrconf_f6i_alloc+0x265/0x560
[  935.620836][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  935.620836][   T10]      addrconf_join_anycast+0x1c0/0x220
[  935.620836][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  935.620836][   T10]      addrconf_dad_completed+0x12b/0xe20
[  935.620836][   T10]      addrconf_dad_begin+0x310/0x670
[  935.620836][   T10]      addrconf_dad_work+0x10b/0xab0
[  935.620836][   T10]      process_one_work+0x84d/0x18a0
[  935.620836][   T10]      worker_thread+0x587/0xd30
[  935.620836][   T10]      kthread+0x28a/0x350
[  935.620836][   T10]      ret_from_fork+0x31/0x70
[  935.620836][   T10]      ret_from_fork_asm+0x1a/0x30
[  935.620836][   T10] 
[  935.622868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.622868][   T10]      netdev_get_by_index+0x5e/0x80
[  935.622868][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.622868][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.622868][   T10]      ip6_route_add+0x1c/0x140
[  935.622868][   T10]      addrconf_prefix_route+0x2a6/0x430
[  935.622868][   T10]      inet6_addr_add+0x4f8/0xa40
[  935.622868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.622868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.622868][   T10]      netlink_rcv_skb+0x130/0x360
[  935.622868][   T10]      netlink_unicast+0x449/0x710
[  935.622868][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.622868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.622868][   T10]      ___sys_sendmsg+0xee/0x170
[  935.622868][   T10]      __sys_sendmsg+0xcd/0x170
[  935.622868][   T10]      do_syscall_64+0xc6/0x1e0
[  935.622868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.622868][   T10] 
[  935.624915][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.624915][   T10]      netdev_get_by_index+0x5e/0x80
[  935.624915][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.624915][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.624915][   T10]      addrconf_f6i_alloc+0x315/0x560
[  935.624915][   T10]      ipv6_add_addr+0x411/0x2000
[  935.624915][   T10]      inet6_addr_add+0x30e/0xa40
[  935.624915][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.624915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.624915][   T10]      netlink_rcv_skb+0x130/0x360
[  935.624915][   T10]      netlink_unicast+0x449/0x710
[  935.624915][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.624915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.624915][   T10]      ___sys_sendmsg+0xee/0x170
[  935.624915][   T10]      __sys_sendmsg+0xcd/0x170
[  935.624915][   T10]      do_syscall_64+0xc6/0x1e0
[  935.624915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.624915][   T10] 
[  935.626969][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.626969][   T10]      netdev_get_by_index+0x5e/0x80
[  935.626969][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.626969][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.626969][   T10]      ip6_route_add+0x1c/0x140
[  935.626969][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  935.626969][   T10]      addrconf_add_dev+0xe2/0x170
[  935.626969][   T10]      inet6_addr_add+0x12f/0xa40
[  935.626969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.626969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.626969][   T10]      netlink_rcv_skb+0x130/0x360
[  935.626969][   T10]      netlink_unicast+0x449/0x710
[  935.626969][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.626969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.626969][   T10]      ___sys_sendmsg+0xee/0x170
[  935.626969][   T10]      __sys_sendmsg+0xcd/0x170
[  935.626969][   T10]      do_syscall_64+0xc6/0x1e0
[  935.626969][   T10] 
[  935.628977][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.628977][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  935.628977][   T10]      ipv6_find_idev+0x102/0x170
[  935.628977][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  935.628977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.628977][   T10]      netlink_rcv_skb+0x130/0x360
[  935.628977][   T10]      netlink_unicast+0x449/0x710
[  935.628977][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.628977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.628977][   T10]      ___sys_sendmsg+0xee/0x170
[  935.628977][   T10]      __sys_sendmsg+0xcd/0x170
[  935.628977][   T10]      do_syscall_64+0xc6/0x1e0
[  935.628977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.628977][   T10] 
[  935.630551][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  935.630551][   T10]      neigh_parms_alloc+0x1e5/0x510
[  935.630551][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  935.630551][   T10]      ipv6_find_idev+0x102/0x170
[  935.630551][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  935.630551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.630551][   T10]      netlink_rcv_skb+0x130/0x360
[  935.630551][   T10]      netlink_unicast+0x449/0x710
[  935.630551][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.630551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.630551][   T10]      ___sys_sendmsg+0xee/0x170
[  935.630551][   T10]      __sys_sendmsg+0xcd/0x170
[  935.630551][   T10]      do_syscall_64+0xc6/0x1e0
[  935.630551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.630551][   T10] 
[  935.632652][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  935.632895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.632895][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  935.632895][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  935.632895][   T10]      fib6_nh_init+0xa22/0x1580
[  935.632895][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.632895][   T10]      ip6_route_add+0x1c/0x140
[  935.632895][   T10]      inet6_rtm_newroute+0x104/0x110
[  935.632895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.632895][   T10]      netlink_rcv_skb+0x130/0x360
[  935.632895][   T10]      netlink_unicast+0x449/0x710
[  935.632895][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.632895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.632895][   T10]      ___sys_sendmsg+0xee/0x170
[  935.632895][   T10]      __sys_sendmsg+0xcd/0x170
[  935.632895][   T10]      do_syscall_64+0xc6/0x1e0
[  935.632895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.632895][   T10] 
[  935.634872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.634872][   T10]      dst_init+0x84/0x4a0
[  935.634872][   T10]      dst_alloc+0x97/0x150
[  935.634872][   T10]      ip6_dst_alloc+0x23/0x90
[  935.634872][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  935.634872][   T10]      ip6_pol_route+0x56f/0x840
[  935.634872][   T10]      fib6_rule_lookup+0x456/0x630
[  935.634872][   T10]      ip6_route_input+0x59c/0xa50
[  935.634872][   T10]      ipv6_rcv+0x397/0x810
[  935.634872][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  935.634872][   T10]      process_backlog+0x101/0x620
[  935.634872][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  935.634872][   T10]      net_rx_action+0x495/0xbe0
[  935.634872][   T10]      __do_softirq+0x1b5/0x7f6
[  935.634872][   T10] 
[  935.636711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.636711][   T10]      netdev_get_by_index+0x5e/0x80
[  935.636711][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.636711][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.636711][   T10]      addrconf_f6i_alloc+0x265/0x560
[  935.636711][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  935.636711][   T10]      addrconf_join_anycast+0x1c0/0x220
[  935.636711][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  935.636711][   T10]      addrconf_dad_completed+0x12b/0xe20
[  935.636711][   T10]      addrconf_dad_begin+0x310/0x670
[  935.636711][   T10]      addrconf_dad_work+0x10b/0xab0
[  935.636711][   T10]      process_one_work+0x84d/0x18a0
[  935.636711][   T10]      worker_thread+0x587/0xd30
[  935.636711][   T10]      kthread+0x28a/0x350
[  935.636711][   T10]      ret_from_fork+0x31/0x70
[  935.636711][   T10]      ret_from_fork_asm+0x1a/0x30
[  935.636711][   T10] 
[  935.638739][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.638739][   T10]      netdev_get_by_index+0x5e/0x80
[  935.638739][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.638739][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.638739][   T10]      ip6_route_add+0x1c/0x140
[  935.638739][   T10]      addrconf_prefix_route+0x2a6/0x430
[  935.638739][   T10]      inet6_addr_add+0x4f8/0xa40
[  935.638739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.638739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.638739][   T10]      netlink_rcv_skb+0x130/0x360
[  935.638739][   T10]      netlink_unicast+0x449/0x710
[  935.638739][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.638739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.638739][   T10]      ___sys_sendmsg+0xee/0x170
[  935.638739][   T10]      __sys_sendmsg+0xcd/0x170
[  935.638739][   T10]      do_syscall_64+0xc6/0x1e0
[  935.638739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.638739][   T10] 
[  935.641023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.641023][   T10]      netdev_get_by_index+0x5e/0x80
[  935.641023][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.641023][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.641023][   T10]      addrconf_f6i_alloc+0x315/0x560
[  935.641023][   T10]      ipv6_add_addr+0x411/0x2000
[  935.641023][   T10]      inet6_addr_add+0x30e/0xa40
[  935.641023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.641023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.641023][   T10]      netlink_rcv_skb+0x130/0x360
[  935.641023][   T10]      netlink_unicast+0x449/0x710
[  935.641023][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.641023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.641023][   T10]      ___sys_sendmsg+0xee/0x170
[  935.641023][   T10]      __sys_sendmsg+0xcd/0x170
[  935.641023][   T10]      do_syscall_64+0xc6/0x1e0
[  935.641023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.641023][   T10] 
[  935.643171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.643171][   T10]      netdev_get_by_index+0x5e/0x80
[  935.643171][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.643171][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.643171][   T10]      ip6_route_add+0x1c/0x140
[  935.643171][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  935.643171][   T10]      addrconf_add_dev+0xe2/0x170
[  935.643171][   T10]      inet6_addr_add+0x12f/0xa40
[  935.643171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.643171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.643171][   T10]      netlink_rcv_skb+0x130/0x360
[  935.643171][   T10]      netlink_unicast+0x449/0x710
[  935.643171][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.643171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.643171][   T10]      ___sys_sendmsg+0xee/0x170
[  935.643171][   T10]      __sys_sendmsg+0xcd/0x170
[  935.643171][   T10]      do_syscall_64+0xc6/0x1e0
[  935.643171][   T10] 
[  935.645423][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.645423][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  935.645423][   T10]      ipv6_find_idev+0x102/0x170
[  935.645423][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  935.645423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.645423][   T10]      netlink_rcv_skb+0x130/0x360
[  935.645423][   T10]      netlink_unicast+0x449/0x710
[  935.645423][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.645423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.645423][   T10]      ___sys_sendmsg+0xee/0x170
[  935.645423][   T10]      __sys_sendmsg+0xcd/0x170
[  935.645423][   T10]      do_syscall_64+0xc6/0x1e0
[  935.645423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.645423][   T10] 
[  935.647255][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  935.647255][   T10]      neigh_parms_alloc+0x1e5/0x510
[  935.647255][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  935.647255][   T10]      ipv6_find_idev+0x102/0x170
[  935.647255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  935.647255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.647255][   T10]      netlink_rcv_skb+0x130/0x360
[  935.647255][   T10]      netlink_unicast+0x449/0x710
[  935.647255][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.647255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.647255][   T10]      ___sys_sendmsg+0xee/0x170
[  935.647255][   T10]      __sys_sendmsg+0xcd/0x170
[  935.647255][   T10]      do_syscall_64+0xc6/0x1e0
[  935.647255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.647255][   T10] 
[  935.649163][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  935.649411][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  935.649411][   T10]      netdev_get_by_index+0x5e/0x80
[  935.649411][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.649411][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.649411][   T10]      ip6_route_add+0x1c/0x140
[  935.649411][   T10]      addrconf_prefix_route+0x2a6/0x430
[  935.649411][   T10]      inet6_addr_add+0x4f8/0xa40
[  935.649411][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.649411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.649411][   T10]      netlink_rcv_skb+0x130/0x360
[  935.649411][   T10]      netlink_unicast+0x449/0x710
[  935.649411][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.649411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.649411][   T10]      ___sys_sendmsg+0xee/0x170
[  935.649411][   T10]      __sys_sendmsg+0xcd/0x170
[  935.649411][   T10]      do_syscall_64+0xc6/0x1e0
[  935.649411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.649411][   T10] 
[  935.651797][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  935.651797][   T10]      netdev_get_by_index+0x5e/0x80
[  935.651797][   T10]      fib6_nh_init+0x3d8/0x1580
[  935.651797][   T10]      ip6_route_info_create+0xf18/0x17d0
[  935.651797][   T10]      addrconf_f6i_alloc+0x315/0x560
[  935.651797][   T10]      ipv6_add_addr+0x411/0x2000
[  935.651797][   T10]      inet6_addr_add+0x30e/0xa40
[  935.651797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  935.651797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.651797][   T10]      netlink_rcv_skb+0x130/0x360
[  935.651797][   T10]      netlink_unicast+0x449/0x710
[  935.651797][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.651797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.651797][   T10]      ___sys_sendmsg+0xee/0x170
[  935.651797][   T10]      __sys_sendmsg+0xcd/0x170
[  935.651797][   T10]      do_syscall_64+0xc6/0x1e0
[  935.651797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.651797][   T10] 
[  935.654203][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  935.654203][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  935.654203][   T10]      ipv6_find_idev+0x102/0x170
[  935.654203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  935.654203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.654203][   T10]      netlink_rcv_skb+0x130/0x360
[  935.654203][   T10]      netlink_unicast+0x449/0x710
[  935.654203][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.654203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.654203][   T10]      ___sys_sendmsg+0xee/0x170
[  935.654203][   T10]      __sys_sendmsg+0xcd/0x170
[  935.654203][   T10]      do_syscall_64+0xc6/0x1e0
[  935.654203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.654203][   T10] 
[  935.655963][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  935.655963][   T10]      neigh_parms_alloc+0x1e5/0x510
[  935.655963][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  935.655963][   T10]      ipv6_find_idev+0x102/0x170
[  935.655963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  935.655963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  935.655963][   T10]      netlink_rcv_skb+0x130/0x360
[  935.655963][   T10]      netlink_unicast+0x449/0x710
[  935.655963][   T10]      netlink_sendmsg+0x723/0xbe0
[  935.655963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  935.655963][   T10]      ___sys_sendmsg+0xee/0x170
[  935.655963][   T10]      __sys_sendmsg+0xcd/0x170
[  935.655963][   T10]      do_syscall_64+0xc6/0x1e0
[  935.655963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  935.655963][   T10] 
[  945.776618][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  945.776922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.776922][   T10]      dst_init+0x84/0x4a0
[  945.776922][   T10]      dst_alloc+0x97/0x150
[  945.776922][   T10]      ip6_dst_alloc+0x23/0x90
[  945.776922][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  945.776922][   T10]      ip6_pol_route+0x56f/0x840
[  945.776922][   T10]      fib6_rule_lookup+0x456/0x630
[  945.776922][   T10]      ip6_route_input+0x59c/0xa50
[  945.776922][   T10]      ipv6_rcv+0x397/0x810
[  945.776922][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  945.776922][   T10]      process_backlog+0x101/0x620
[  945.776922][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  945.776922][   T10]      net_rx_action+0x495/0xbe0
[  945.776922][   T10]      __do_softirq+0x1b5/0x7f6
[  945.776922][   T10] 
[  945.778626][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.778626][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  945.778626][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  945.778626][   T10]      fib6_nh_init+0xa22/0x1580
[  945.778626][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.778626][   T10]      ip6_route_add+0x1c/0x140
[  945.778626][   T10]      inet6_rtm_newroute+0x104/0x110
[  945.778626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.778626][   T10]      netlink_rcv_skb+0x130/0x360
[  945.778626][   T10]      netlink_unicast+0x449/0x710
[  945.778626][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.778626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.778626][   T10]      ___sys_sendmsg+0xee/0x170
[  945.778626][   T10]      __sys_sendmsg+0xcd/0x170
[  945.778626][   T10]      do_syscall_64+0xc6/0x1e0
[  945.778626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.778626][   T10] 
[  945.780609][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.780609][   T10]      netdev_get_by_index+0x5e/0x80
[  945.780609][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.780609][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.780609][   T10]      addrconf_f6i_alloc+0x265/0x560
[  945.780609][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  945.780609][   T10]      addrconf_join_anycast+0x1c0/0x220
[  945.780609][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  945.780609][   T10]      addrconf_dad_completed+0x12b/0xe20
[  945.780609][   T10]      addrconf_dad_begin+0x310/0x670
[  945.780609][   T10]      addrconf_dad_work+0x10b/0xab0
[  945.780609][   T10]      process_one_work+0x84d/0x18a0
[  945.780609][   T10]      worker_thread+0x587/0xd30
[  945.780609][   T10]      kthread+0x28a/0x350
[  945.780609][   T10]      ret_from_fork+0x31/0x70
[  945.780609][   T10]      ret_from_fork_asm+0x1a/0x30
[  945.780609][   T10] 
[  945.782637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.782637][   T10]      netdev_get_by_index+0x5e/0x80
[  945.782637][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.782637][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.782637][   T10]      ip6_route_add+0x1c/0x140
[  945.782637][   T10]      addrconf_prefix_route+0x2a6/0x430
[  945.782637][   T10]      inet6_addr_add+0x4f8/0xa40
[  945.782637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.782637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.782637][   T10]      netlink_rcv_skb+0x130/0x360
[  945.782637][   T10]      netlink_unicast+0x449/0x710
[  945.782637][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.782637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.782637][   T10]      ___sys_sendmsg+0xee/0x170
[  945.782637][   T10]      __sys_sendmsg+0xcd/0x170
[  945.782637][   T10]      do_syscall_64+0xc6/0x1e0
[  945.782637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.782637][   T10] 
[  945.784713][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.784713][   T10]      netdev_get_by_index+0x5e/0x80
[  945.784713][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.784713][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.784713][   T10]      addrconf_f6i_alloc+0x315/0x560
[  945.784713][   T10]      ipv6_add_addr+0x411/0x2000
[  945.784713][   T10]      inet6_addr_add+0x30e/0xa40
[  945.784713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.784713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.784713][   T10]      netlink_rcv_skb+0x130/0x360
[  945.784713][   T10]      netlink_unicast+0x449/0x710
[  945.784713][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.784713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.784713][   T10]      ___sys_sendmsg+0xee/0x170
[  945.784713][   T10]      __sys_sendmsg+0xcd/0x170
[  945.784713][   T10]      do_syscall_64+0xc6/0x1e0
[  945.784713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.784713][   T10] 
[  945.786776][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.786776][   T10]      netdev_get_by_index+0x5e/0x80
[  945.786776][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.786776][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.786776][   T10]      ip6_route_add+0x1c/0x140
[  945.786776][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  945.786776][   T10]      addrconf_add_dev+0xe2/0x170
[  945.786776][   T10]      inet6_addr_add+0x12f/0xa40
[  945.786776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.786776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.786776][   T10]      netlink_rcv_skb+0x130/0x360
[  945.786776][   T10]      netlink_unicast+0x449/0x710
[  945.786776][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.786776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.786776][   T10]      ___sys_sendmsg+0xee/0x170
[  945.786776][   T10]      __sys_sendmsg+0xcd/0x170
[  945.786776][   T10]      do_syscall_64+0xc6/0x1e0
[  945.786776][   T10] 
[  945.788778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.788778][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  945.788778][   T10]      ipv6_find_idev+0x102/0x170
[  945.788778][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  945.788778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.788778][   T10]      netlink_rcv_skb+0x130/0x360
[  945.788778][   T10]      netlink_unicast+0x449/0x710
[  945.788778][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.788778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.788778][   T10]      ___sys_sendmsg+0xee/0x170
[  945.788778][   T10]      __sys_sendmsg+0xcd/0x170
[  945.788778][   T10]      do_syscall_64+0xc6/0x1e0
[  945.788778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.788778][   T10] 
[  945.790337][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  945.790337][   T10]      neigh_parms_alloc+0x1e5/0x510
[  945.790337][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  945.790337][   T10]      ipv6_find_idev+0x102/0x170
[  945.790337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  945.790337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.790337][   T10]      netlink_rcv_skb+0x130/0x360
[  945.790337][   T10]      netlink_unicast+0x449/0x710
[  945.790337][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.790337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.790337][   T10]      ___sys_sendmsg+0xee/0x170
[  945.790337][   T10]      __sys_sendmsg+0xcd/0x170
[  945.790337][   T10]      do_syscall_64+0xc6/0x1e0
[  945.790337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.790337][   T10] 
[  945.792793][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  945.793044][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.793044][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  945.793044][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  945.793044][   T10]      fib6_nh_init+0xa22/0x1580
[  945.793044][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.793044][   T10]      ip6_route_add+0x1c/0x140
[  945.793044][   T10]      inet6_rtm_newroute+0x104/0x110
[  945.793044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.793044][   T10]      netlink_rcv_skb+0x130/0x360
[  945.793044][   T10]      netlink_unicast+0x449/0x710
[  945.793044][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.793044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.793044][   T10]      ___sys_sendmsg+0xee/0x170
[  945.793044][   T10]      __sys_sendmsg+0xcd/0x170
[  945.793044][   T10]      do_syscall_64+0xc6/0x1e0
[  945.793044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.793044][   T10] 
[  945.794974][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.794974][   T10]      dst_init+0x84/0x4a0
[  945.794974][   T10]      dst_alloc+0x97/0x150
[  945.794974][   T10]      ip6_dst_alloc+0x23/0x90
[  945.794974][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  945.794974][   T10]      ip6_pol_route+0x56f/0x840
[  945.794974][   T10]      fib6_rule_lookup+0x456/0x630
[  945.794974][   T10]      ip6_route_input+0x59c/0xa50
[  945.794974][   T10]      ipv6_rcv+0x397/0x810
[  945.794974][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  945.794974][   T10]      process_backlog+0x101/0x620
[  945.794974][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  945.794974][   T10]      net_rx_action+0x495/0xbe0
[  945.794974][   T10]      __do_softirq+0x1b5/0x7f6
[  945.794974][   T10] 
[  945.796763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.796763][   T10]      netdev_get_by_index+0x5e/0x80
[  945.796763][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.796763][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.796763][   T10]      addrconf_f6i_alloc+0x265/0x560
[  945.796763][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  945.796763][   T10]      addrconf_join_anycast+0x1c0/0x220
[  945.796763][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  945.796763][   T10]      addrconf_dad_completed+0x12b/0xe20
[  945.796763][   T10]      addrconf_dad_begin+0x310/0x670
[  945.796763][   T10]      addrconf_dad_work+0x10b/0xab0
[  945.796763][   T10]      process_one_work+0x84d/0x18a0
[  945.796763][   T10]      worker_thread+0x587/0xd30
[  945.796763][   T10]      kthread+0x28a/0x350
[  945.796763][   T10]      ret_from_fork+0x31/0x70
[  945.796763][   T10]      ret_from_fork_asm+0x1a/0x30
[  945.796763][   T10] 
[  945.798923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.798923][   T10]      netdev_get_by_index+0x5e/0x80
[  945.798923][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.798923][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.798923][   T10]      ip6_route_add+0x1c/0x140
[  945.798923][   T10]      addrconf_prefix_route+0x2a6/0x430
[  945.798923][   T10]      inet6_addr_add+0x4f8/0xa40
[  945.798923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.798923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.798923][   T10]      netlink_rcv_skb+0x130/0x360
[  945.798923][   T10]      netlink_unicast+0x449/0x710
[  945.798923][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.798923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.798923][   T10]      ___sys_sendmsg+0xee/0x170
[  945.798923][   T10]      __sys_sendmsg+0xcd/0x170
[  945.798923][   T10]      do_syscall_64+0xc6/0x1e0
[  945.798923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.798923][   T10] 
[  945.801192][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.801192][   T10]      netdev_get_by_index+0x5e/0x80
[  945.801192][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.801192][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.801192][   T10]      addrconf_f6i_alloc+0x315/0x560
[  945.801192][   T10]      ipv6_add_addr+0x411/0x2000
[  945.801192][   T10]      inet6_addr_add+0x30e/0xa40
[  945.801192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.801192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.801192][   T10]      netlink_rcv_skb+0x130/0x360
[  945.801192][   T10]      netlink_unicast+0x449/0x710
[  945.801192][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.801192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.801192][   T10]      ___sys_sendmsg+0xee/0x170
[  945.801192][   T10]      __sys_sendmsg+0xcd/0x170
[  945.801192][   T10]      do_syscall_64+0xc6/0x1e0
[  945.801192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.801192][   T10] 
[  945.803401][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.803401][   T10]      netdev_get_by_index+0x5e/0x80
[  945.803401][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.803401][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.803401][   T10]      ip6_route_add+0x1c/0x140
[  945.803401][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  945.803401][   T10]      addrconf_add_dev+0xe2/0x170
[  945.803401][   T10]      inet6_addr_add+0x12f/0xa40
[  945.803401][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.803401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.803401][   T10]      netlink_rcv_skb+0x130/0x360
[  945.803401][   T10]      netlink_unicast+0x449/0x710
[  945.803401][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.803401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.803401][   T10]      ___sys_sendmsg+0xee/0x170
[  945.803401][   T10]      __sys_sendmsg+0xcd/0x170
[  945.803401][   T10]      do_syscall_64+0xc6/0x1e0
[  945.803401][   T10] 
[  945.805661][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.805661][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  945.805661][   T10]      ipv6_find_idev+0x102/0x170
[  945.805661][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  945.805661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.805661][   T10]      netlink_rcv_skb+0x130/0x360
[  945.805661][   T10]      netlink_unicast+0x449/0x710
[  945.805661][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.805661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.805661][   T10]      ___sys_sendmsg+0xee/0x170
[  945.805661][   T10]      __sys_sendmsg+0xcd/0x170
[  945.805661][   T10]      do_syscall_64+0xc6/0x1e0
[  945.805661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.805661][   T10] 
[  945.807364][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  945.807364][   T10]      neigh_parms_alloc+0x1e5/0x510
[  945.807364][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  945.807364][   T10]      ipv6_find_idev+0x102/0x170
[  945.807364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  945.807364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.807364][   T10]      netlink_rcv_skb+0x130/0x360
[  945.807364][   T10]      netlink_unicast+0x449/0x710
[  945.807364][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.807364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.807364][   T10]      ___sys_sendmsg+0xee/0x170
[  945.807364][   T10]      __sys_sendmsg+0xcd/0x170
[  945.807364][   T10]      do_syscall_64+0xc6/0x1e0
[  945.807364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.807364][   T10] 
[  945.809362][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  945.809610][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  945.809610][   T10]      netdev_get_by_index+0x5e/0x80
[  945.809610][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.809610][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.809610][   T10]      ip6_route_add+0x1c/0x140
[  945.809610][   T10]      addrconf_prefix_route+0x2a6/0x430
[  945.809610][   T10]      inet6_addr_add+0x4f8/0xa40
[  945.809610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.809610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.809610][   T10]      netlink_rcv_skb+0x130/0x360
[  945.809610][   T10]      netlink_unicast+0x449/0x710
[  945.809610][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.809610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.809610][   T10]      ___sys_sendmsg+0xee/0x170
[  945.809610][   T10]      __sys_sendmsg+0xcd/0x170
[  945.809610][   T10]      do_syscall_64+0xc6/0x1e0
[  945.809610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.809610][   T10] 
[  945.811914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  945.811914][   T10]      netdev_get_by_index+0x5e/0x80
[  945.811914][   T10]      fib6_nh_init+0x3d8/0x1580
[  945.811914][   T10]      ip6_route_info_create+0xf18/0x17d0
[  945.811914][   T10]      addrconf_f6i_alloc+0x315/0x560
[  945.811914][   T10]      ipv6_add_addr+0x411/0x2000
[  945.811914][   T10]      inet6_addr_add+0x30e/0xa40
[  945.811914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  945.811914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.811914][   T10]      netlink_rcv_skb+0x130/0x360
[  945.811914][   T10]      netlink_unicast+0x449/0x710
[  945.811914][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.811914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.811914][   T10]      ___sys_sendmsg+0xee/0x170
[  945.811914][   T10]      __sys_sendmsg+0xcd/0x170
[  945.811914][   T10]      do_syscall_64+0xc6/0x1e0
[  945.811914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.811914][   T10] 
[  945.814141][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  945.814141][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  945.814141][   T10]      ipv6_find_idev+0x102/0x170
[  945.814141][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  945.814141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.814141][   T10]      netlink_rcv_skb+0x130/0x360
[  945.814141][   T10]      netlink_unicast+0x449/0x710
[  945.814141][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.814141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.814141][   T10]      ___sys_sendmsg+0xee/0x170
[  945.814141][   T10]      __sys_sendmsg+0xcd/0x170
[  945.814141][   T10]      do_syscall_64+0xc6/0x1e0
[  945.814141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.814141][   T10] 
[  945.815899][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  945.815899][   T10]      neigh_parms_alloc+0x1e5/0x510
[  945.815899][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  945.815899][   T10]      ipv6_find_idev+0x102/0x170
[  945.815899][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  945.815899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  945.815899][   T10]      netlink_rcv_skb+0x130/0x360
[  945.815899][   T10]      netlink_unicast+0x449/0x710
[  945.815899][   T10]      netlink_sendmsg+0x723/0xbe0
[  945.815899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  945.815899][   T10]      ___sys_sendmsg+0xee/0x170
[  945.815899][   T10]      __sys_sendmsg+0xcd/0x170
[  945.815899][   T10]      do_syscall_64+0xc6/0x1e0
[  945.815899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  945.815899][   T10] 
[  955.937717][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  955.938140][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.938140][   T10]      dst_init+0x84/0x4a0
[  955.938140][   T10]      dst_alloc+0x97/0x150
[  955.938140][   T10]      ip6_dst_alloc+0x23/0x90
[  955.938140][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  955.938140][   T10]      ip6_pol_route+0x56f/0x840
[  955.938140][   T10]      fib6_rule_lookup+0x456/0x630
[  955.938140][   T10]      ip6_route_input+0x59c/0xa50
[  955.938140][   T10]      ipv6_rcv+0x397/0x810
[  955.938140][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  955.938140][   T10]      process_backlog+0x101/0x620
[  955.938140][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  955.938140][   T10]      net_rx_action+0x495/0xbe0
[  955.938140][   T10]      __do_softirq+0x1b5/0x7f6
[  955.938140][   T10] 
[  955.939854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.939854][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  955.939854][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  955.939854][   T10]      fib6_nh_init+0xa22/0x1580
[  955.939854][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.939854][   T10]      ip6_route_add+0x1c/0x140
[  955.939854][   T10]      inet6_rtm_newroute+0x104/0x110
[  955.939854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.939854][   T10]      netlink_rcv_skb+0x130/0x360
[  955.939854][   T10]      netlink_unicast+0x449/0x710
[  955.939854][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.939854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.939854][   T10]      ___sys_sendmsg+0xee/0x170
[  955.939854][   T10]      __sys_sendmsg+0xcd/0x170
[  955.939854][   T10]      do_syscall_64+0xc6/0x1e0
[  955.939854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.939854][   T10] 
[  955.941789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.941789][   T10]      netdev_get_by_index+0x5e/0x80
[  955.941789][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.941789][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.941789][   T10]      addrconf_f6i_alloc+0x265/0x560
[  955.941789][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  955.941789][   T10]      addrconf_join_anycast+0x1c0/0x220
[  955.941789][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  955.941789][   T10]      addrconf_dad_completed+0x12b/0xe20
[  955.941789][   T10]      addrconf_dad_begin+0x310/0x670
[  955.941789][   T10]      addrconf_dad_work+0x10b/0xab0
[  955.941789][   T10]      process_one_work+0x84d/0x18a0
[  955.941789][   T10]      worker_thread+0x587/0xd30
[  955.941789][   T10]      kthread+0x28a/0x350
[  955.941789][   T10]      ret_from_fork+0x31/0x70
[  955.941789][   T10]      ret_from_fork_asm+0x1a/0x30
[  955.941789][   T10] 
[  955.943755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.943755][   T10]      netdev_get_by_index+0x5e/0x80
[  955.943755][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.943755][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.943755][   T10]      ip6_route_add+0x1c/0x140
[  955.943755][   T10]      addrconf_prefix_route+0x2a6/0x430
[  955.943755][   T10]      inet6_addr_add+0x4f8/0xa40
[  955.943755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.943755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.943755][   T10]      netlink_rcv_skb+0x130/0x360
[  955.943755][   T10]      netlink_unicast+0x449/0x710
[  955.943755][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.943755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.943755][   T10]      ___sys_sendmsg+0xee/0x170
[  955.943755][   T10]      __sys_sendmsg+0xcd/0x170
[  955.943755][   T10]      do_syscall_64+0xc6/0x1e0
[  955.943755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.943755][   T10] 
[  955.945890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.945890][   T10]      netdev_get_by_index+0x5e/0x80
[  955.945890][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.945890][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.945890][   T10]      addrconf_f6i_alloc+0x315/0x560
[  955.945890][   T10]      ipv6_add_addr+0x411/0x2000
[  955.945890][   T10]      inet6_addr_add+0x30e/0xa40
[  955.945890][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.945890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.945890][   T10]      netlink_rcv_skb+0x130/0x360
[  955.945890][   T10]      netlink_unicast+0x449/0x710
[  955.945890][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.945890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.945890][   T10]      ___sys_sendmsg+0xee/0x170
[  955.945890][   T10]      __sys_sendmsg+0xcd/0x170
[  955.945890][   T10]      do_syscall_64+0xc6/0x1e0
[  955.945890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.945890][   T10] 
[  955.947947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.947947][   T10]      netdev_get_by_index+0x5e/0x80
[  955.947947][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.947947][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.947947][   T10]      ip6_route_add+0x1c/0x140
[  955.947947][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  955.947947][   T10]      addrconf_add_dev+0xe2/0x170
[  955.947947][   T10]      inet6_addr_add+0x12f/0xa40
[  955.947947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.947947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.947947][   T10]      netlink_rcv_skb+0x130/0x360
[  955.947947][   T10]      netlink_unicast+0x449/0x710
[  955.947947][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.947947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.947947][   T10]      ___sys_sendmsg+0xee/0x170
[  955.947947][   T10]      __sys_sendmsg+0xcd/0x170
[  955.947947][   T10]      do_syscall_64+0xc6/0x1e0
[  955.947947][   T10] 
[  955.949954][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.949954][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  955.949954][   T10]      ipv6_find_idev+0x102/0x170
[  955.949954][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  955.949954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.949954][   T10]      netlink_rcv_skb+0x130/0x360
[  955.949954][   T10]      netlink_unicast+0x449/0x710
[  955.949954][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.949954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.949954][   T10]      ___sys_sendmsg+0xee/0x170
[  955.949954][   T10]      __sys_sendmsg+0xcd/0x170
[  955.949954][   T10]      do_syscall_64+0xc6/0x1e0
[  955.949954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.949954][   T10] 
[  955.951801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  955.951801][   T10]      neigh_parms_alloc+0x1e5/0x510
[  955.951801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  955.951801][   T10]      ipv6_find_idev+0x102/0x170
[  955.951801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  955.951801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.951801][   T10]      netlink_rcv_skb+0x130/0x360
[  955.951801][   T10]      netlink_unicast+0x449/0x710
[  955.951801][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.951801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.951801][   T10]      ___sys_sendmsg+0xee/0x170
[  955.951801][   T10]      __sys_sendmsg+0xcd/0x170
[  955.951801][   T10]      do_syscall_64+0xc6/0x1e0
[  955.951801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.951801][   T10] 
[  955.953757][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  955.954065][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.954065][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  955.954065][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  955.954065][   T10]      fib6_nh_init+0xa22/0x1580
[  955.954065][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.954065][   T10]      ip6_route_add+0x1c/0x140
[  955.954065][   T10]      inet6_rtm_newroute+0x104/0x110
[  955.954065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.954065][   T10]      netlink_rcv_skb+0x130/0x360
[  955.954065][   T10]      netlink_unicast+0x449/0x710
[  955.954065][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.954065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.954065][   T10]      ___sys_sendmsg+0xee/0x170
[  955.954065][   T10]      __sys_sendmsg+0xcd/0x170
[  955.954065][   T10]      do_syscall_64+0xc6/0x1e0
[  955.954065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.954065][   T10] 
[  955.956316][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.956316][   T10]      dst_init+0x84/0x4a0
[  955.956316][   T10]      dst_alloc+0x97/0x150
[  955.956316][   T10]      ip6_dst_alloc+0x23/0x90
[  955.956316][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  955.956316][   T10]      ip6_pol_route+0x56f/0x840
[  955.956316][   T10]      fib6_rule_lookup+0x456/0x630
[  955.956316][   T10]      ip6_route_input+0x59c/0xa50
[  955.956316][   T10]      ipv6_rcv+0x397/0x810
[  955.956316][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  955.956316][   T10]      process_backlog+0x101/0x620
[  955.956316][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  955.956316][   T10]      net_rx_action+0x495/0xbe0
[  955.956316][   T10]      __do_softirq+0x1b5/0x7f6
[  955.956316][   T10] 
[  955.958201][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.958201][   T10]      netdev_get_by_index+0x5e/0x80
[  955.958201][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.958201][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.958201][   T10]      addrconf_f6i_alloc+0x265/0x560
[  955.958201][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  955.958201][   T10]      addrconf_join_anycast+0x1c0/0x220
[  955.958201][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  955.958201][   T10]      addrconf_dad_completed+0x12b/0xe20
[  955.958201][   T10]      addrconf_dad_begin+0x310/0x670
[  955.958201][   T10]      addrconf_dad_work+0x10b/0xab0
[  955.958201][   T10]      process_one_work+0x84d/0x18a0
[  955.958201][   T10]      worker_thread+0x587/0xd30
[  955.958201][   T10]      kthread+0x28a/0x350
[  955.958201][   T10]      ret_from_fork+0x31/0x70
[  955.958201][   T10]      ret_from_fork_asm+0x1a/0x30
[  955.958201][   T10] 
[  955.960521][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.960521][   T10]      netdev_get_by_index+0x5e/0x80
[  955.960521][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.960521][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.960521][   T10]      ip6_route_add+0x1c/0x140
[  955.960521][   T10]      addrconf_prefix_route+0x2a6/0x430
[  955.960521][   T10]      inet6_addr_add+0x4f8/0xa40
[  955.960521][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.960521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.960521][   T10]      netlink_rcv_skb+0x130/0x360
[  955.960521][   T10]      netlink_unicast+0x449/0x710
[  955.960521][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.960521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.960521][   T10]      ___sys_sendmsg+0xee/0x170
[  955.960521][   T10]      __sys_sendmsg+0xcd/0x170
[  955.960521][   T10]      do_syscall_64+0xc6/0x1e0
[  955.960521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.960521][   T10] 
[  955.962909][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.962909][   T10]      netdev_get_by_index+0x5e/0x80
[  955.962909][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.962909][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.962909][   T10]      addrconf_f6i_alloc+0x315/0x560
[  955.962909][   T10]      ipv6_add_addr+0x411/0x2000
[  955.962909][   T10]      inet6_addr_add+0x30e/0xa40
[  955.962909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.962909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.962909][   T10]      netlink_rcv_skb+0x130/0x360
[  955.962909][   T10]      netlink_unicast+0x449/0x710
[  955.962909][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.962909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.962909][   T10]      ___sys_sendmsg+0xee/0x170
[  955.962909][   T10]      __sys_sendmsg+0xcd/0x170
[  955.962909][   T10]      do_syscall_64+0xc6/0x1e0
[  955.962909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.962909][   T10] 
[  955.965140][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.965140][   T10]      netdev_get_by_index+0x5e/0x80
[  955.965140][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.965140][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.965140][   T10]      ip6_route_add+0x1c/0x140
[  955.965140][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  955.965140][   T10]      addrconf_add_dev+0xe2/0x170
[  955.965140][   T10]      inet6_addr_add+0x12f/0xa40
[  955.965140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.965140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.965140][   T10]      netlink_rcv_skb+0x130/0x360
[  955.965140][   T10]      netlink_unicast+0x449/0x710
[  955.965140][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.965140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.965140][   T10]      ___sys_sendmsg+0xee/0x170
[  955.965140][   T10]      __sys_sendmsg+0xcd/0x170
[  955.965140][   T10]      do_syscall_64+0xc6/0x1e0
[  955.965140][   T10] 
[  955.967514][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.967514][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  955.967514][   T10]      ipv6_find_idev+0x102/0x170
[  955.967514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  955.967514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.967514][   T10]      netlink_rcv_skb+0x130/0x360
[  955.967514][   T10]      netlink_unicast+0x449/0x710
[  955.967514][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.967514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.967514][   T10]      ___sys_sendmsg+0xee/0x170
[  955.967514][   T10]      __sys_sendmsg+0xcd/0x170
[  955.967514][   T10]      do_syscall_64+0xc6/0x1e0
[  955.967514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.967514][   T10] 
[  955.969167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  955.969167][   T10]      neigh_parms_alloc+0x1e5/0x510
[  955.969167][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  955.969167][   T10]      ipv6_find_idev+0x102/0x170
[  955.969167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  955.969167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.969167][   T10]      netlink_rcv_skb+0x130/0x360
[  955.969167][   T10]      netlink_unicast+0x449/0x710
[  955.969167][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.969167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.969167][   T10]      ___sys_sendmsg+0xee/0x170
[  955.969167][   T10]      __sys_sendmsg+0xcd/0x170
[  955.969167][   T10]      do_syscall_64+0xc6/0x1e0
[  955.969167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.969167][   T10] 
[  955.971098][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  955.971341][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  955.971341][   T10]      netdev_get_by_index+0x5e/0x80
[  955.971341][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.971341][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.971341][   T10]      ip6_route_add+0x1c/0x140
[  955.971341][   T10]      addrconf_prefix_route+0x2a6/0x430
[  955.971341][   T10]      inet6_addr_add+0x4f8/0xa40
[  955.971341][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.971341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.971341][   T10]      netlink_rcv_skb+0x130/0x360
[  955.971341][   T10]      netlink_unicast+0x449/0x710
[  955.971341][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.971341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.971341][   T10]      ___sys_sendmsg+0xee/0x170
[  955.971341][   T10]      __sys_sendmsg+0xcd/0x170
[  955.971341][   T10]      do_syscall_64+0xc6/0x1e0
[  955.971341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.971341][   T10] 
[  955.973775][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  955.973775][   T10]      netdev_get_by_index+0x5e/0x80
[  955.973775][   T10]      fib6_nh_init+0x3d8/0x1580
[  955.973775][   T10]      ip6_route_info_create+0xf18/0x17d0
[  955.973775][   T10]      addrconf_f6i_alloc+0x315/0x560
[  955.973775][   T10]      ipv6_add_addr+0x411/0x2000
[  955.973775][   T10]      inet6_addr_add+0x30e/0xa40
[  955.973775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  955.973775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.973775][   T10]      netlink_rcv_skb+0x130/0x360
[  955.973775][   T10]      netlink_unicast+0x449/0x710
[  955.973775][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.973775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.973775][   T10]      ___sys_sendmsg+0xee/0x170
[  955.973775][   T10]      __sys_sendmsg+0xcd/0x170
[  955.973775][   T10]      do_syscall_64+0xc6/0x1e0
[  955.973775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.973775][   T10] 
[  955.976000][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  955.976000][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  955.976000][   T10]      ipv6_find_idev+0x102/0x170
[  955.976000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  955.976000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.976000][   T10]      netlink_rcv_skb+0x130/0x360
[  955.976000][   T10]      netlink_unicast+0x449/0x710
[  955.976000][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.976000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.976000][   T10]      ___sys_sendmsg+0xee/0x170
[  955.976000][   T10]      __sys_sendmsg+0xcd/0x170
[  955.976000][   T10]      do_syscall_64+0xc6/0x1e0
[  955.976000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.976000][   T10] 
[  955.977767][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  955.977767][   T10]      neigh_parms_alloc+0x1e5/0x510
[  955.977767][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  955.977767][   T10]      ipv6_find_idev+0x102/0x170
[  955.977767][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  955.977767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  955.977767][   T10]      netlink_rcv_skb+0x130/0x360
[  955.977767][   T10]      netlink_unicast+0x449/0x710
[  955.977767][   T10]      netlink_sendmsg+0x723/0xbe0
[  955.977767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  955.977767][   T10]      ___sys_sendmsg+0xee/0x170
[  955.977767][   T10]      __sys_sendmsg+0xcd/0x170
[  955.977767][   T10]      do_syscall_64+0xc6/0x1e0
[  955.977767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  955.977767][   T10] 
[  966.121606][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  966.122026][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.122026][   T10]      dst_init+0x84/0x4a0
[  966.122026][   T10]      dst_alloc+0x97/0x150
[  966.122026][   T10]      ip6_dst_alloc+0x23/0x90
[  966.122026][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  966.122026][   T10]      ip6_pol_route+0x56f/0x840
[  966.122026][   T10]      fib6_rule_lookup+0x456/0x630
[  966.122026][   T10]      ip6_route_input+0x59c/0xa50
[  966.122026][   T10]      ipv6_rcv+0x397/0x810
[  966.122026][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  966.122026][   T10]      process_backlog+0x101/0x620
[  966.122026][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  966.122026][   T10]      net_rx_action+0x495/0xbe0
[  966.122026][   T10]      __do_softirq+0x1b5/0x7f6
[  966.122026][   T10] 
[  966.123712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.123712][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  966.123712][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  966.123712][   T10]      fib6_nh_init+0xa22/0x1580
[  966.123712][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.123712][   T10]      ip6_route_add+0x1c/0x140
[  966.123712][   T10]      inet6_rtm_newroute+0x104/0x110
[  966.123712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.123712][   T10]      netlink_rcv_skb+0x130/0x360
[  966.123712][   T10]      netlink_unicast+0x449/0x710
[  966.123712][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.123712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.123712][   T10]      ___sys_sendmsg+0xee/0x170
[  966.123712][   T10]      __sys_sendmsg+0xcd/0x170
[  966.123712][   T10]      do_syscall_64+0xc6/0x1e0
[  966.123712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.123712][   T10] 
[  966.125665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.125665][   T10]      netdev_get_by_index+0x5e/0x80
[  966.125665][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.125665][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.125665][   T10]      addrconf_f6i_alloc+0x265/0x560
[  966.125665][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  966.125665][   T10]      addrconf_join_anycast+0x1c0/0x220
[  966.125665][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  966.125665][   T10]      addrconf_dad_completed+0x12b/0xe20
[  966.125665][   T10]      addrconf_dad_begin+0x310/0x670
[  966.125665][   T10]      addrconf_dad_work+0x10b/0xab0
[  966.125665][   T10]      process_one_work+0x84d/0x18a0
[  966.125665][   T10]      worker_thread+0x587/0xd30
[  966.125665][   T10]      kthread+0x28a/0x350
[  966.125665][   T10]      ret_from_fork+0x31/0x70
[  966.125665][   T10]      ret_from_fork_asm+0x1a/0x30
[  966.125665][   T10] 
[  966.127617][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.127617][   T10]      netdev_get_by_index+0x5e/0x80
[  966.127617][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.127617][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.127617][   T10]      ip6_route_add+0x1c/0x140
[  966.127617][   T10]      addrconf_prefix_route+0x2a6/0x430
[  966.127617][   T10]      inet6_addr_add+0x4f8/0xa40
[  966.127617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.127617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.127617][   T10]      netlink_rcv_skb+0x130/0x360
[  966.127617][   T10]      netlink_unicast+0x449/0x710
[  966.127617][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.127617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.127617][   T10]      ___sys_sendmsg+0xee/0x170
[  966.127617][   T10]      __sys_sendmsg+0xcd/0x170
[  966.127617][   T10]      do_syscall_64+0xc6/0x1e0
[  966.127617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.127617][   T10] 
[  966.130011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.130011][   T10]      netdev_get_by_index+0x5e/0x80
[  966.130011][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.130011][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.130011][   T10]      addrconf_f6i_alloc+0x315/0x560
[  966.130011][   T10]      ipv6_add_addr+0x411/0x2000
[  966.130011][   T10]      inet6_addr_add+0x30e/0xa40
[  966.130011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.130011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.130011][   T10]      netlink_rcv_skb+0x130/0x360
[  966.130011][   T10]      netlink_unicast+0x449/0x710
[  966.130011][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.130011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.130011][   T10]      ___sys_sendmsg+0xee/0x170
[  966.130011][   T10]      __sys_sendmsg+0xcd/0x170
[  966.130011][   T10]      do_syscall_64+0xc6/0x1e0
[  966.130011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.130011][   T10] 
[  966.132370][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.132370][   T10]      netdev_get_by_index+0x5e/0x80
[  966.132370][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.132370][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.132370][   T10]      ip6_route_add+0x1c/0x140
[  966.132370][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  966.132370][   T10]      addrconf_add_dev+0xe2/0x170
[  966.132370][   T10]      inet6_addr_add+0x12f/0xa40
[  966.132370][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.132370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.132370][   T10]      netlink_rcv_skb+0x130/0x360
[  966.132370][   T10]      netlink_unicast+0x449/0x710
[  966.132370][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.132370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.132370][   T10]      ___sys_sendmsg+0xee/0x170
[  966.132370][   T10]      __sys_sendmsg+0xcd/0x170
[  966.132370][   T10]      do_syscall_64+0xc6/0x1e0
[  966.132370][   T10] 
[  966.134646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.134646][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  966.134646][   T10]      ipv6_find_idev+0x102/0x170
[  966.134646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  966.134646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.134646][   T10]      netlink_rcv_skb+0x130/0x360
[  966.134646][   T10]      netlink_unicast+0x449/0x710
[  966.134646][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.134646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.134646][   T10]      ___sys_sendmsg+0xee/0x170
[  966.134646][   T10]      __sys_sendmsg+0xcd/0x170
[  966.134646][   T10]      do_syscall_64+0xc6/0x1e0
[  966.134646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.134646][   T10] 
[  966.136537][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  966.136537][   T10]      neigh_parms_alloc+0x1e5/0x510
[  966.136537][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  966.136537][   T10]      ipv6_find_idev+0x102/0x170
[  966.136537][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  966.136537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.136537][   T10]      netlink_rcv_skb+0x130/0x360
[  966.136537][   T10]      netlink_unicast+0x449/0x710
[  966.136537][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.136537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.136537][   T10]      ___sys_sendmsg+0xee/0x170
[  966.136537][   T10]      __sys_sendmsg+0xcd/0x170
[  966.136537][   T10]      do_syscall_64+0xc6/0x1e0
[  966.136537][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.136537][   T10] 
[  966.138874][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  966.139132][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.139132][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  966.139132][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  966.139132][   T10]      fib6_nh_init+0xa22/0x1580
[  966.139132][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.139132][   T10]      ip6_route_add+0x1c/0x140
[  966.139132][   T10]      inet6_rtm_newroute+0x104/0x110
[  966.139132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.139132][   T10]      netlink_rcv_skb+0x130/0x360
[  966.139132][   T10]      netlink_unicast+0x449/0x710
[  966.139132][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.139132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.139132][   T10]      ___sys_sendmsg+0xee/0x170
[  966.139132][   T10]      __sys_sendmsg+0xcd/0x170
[  966.139132][   T10]      do_syscall_64+0xc6/0x1e0
[  966.139132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.139132][   T10] 
[  966.141098][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.141098][   T10]      dst_init+0x84/0x4a0
[  966.141098][   T10]      dst_alloc+0x97/0x150
[  966.141098][   T10]      ip6_dst_alloc+0x23/0x90
[  966.141098][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  966.141098][   T10]      ip6_pol_route+0x56f/0x840
[  966.141098][   T10]      fib6_rule_lookup+0x456/0x630
[  966.141098][   T10]      ip6_route_input+0x59c/0xa50
[  966.141098][   T10]      ipv6_rcv+0x397/0x810
[  966.141098][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  966.141098][   T10]      process_backlog+0x101/0x620
[  966.141098][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  966.141098][   T10]      net_rx_action+0x495/0xbe0
[  966.141098][   T10]      __do_softirq+0x1b5/0x7f6
[  966.141098][   T10] 
[  966.143037][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.143037][   T10]      netdev_get_by_index+0x5e/0x80
[  966.143037][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.143037][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.143037][   T10]      addrconf_f6i_alloc+0x265/0x560
[  966.143037][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  966.143037][   T10]      addrconf_join_anycast+0x1c0/0x220
[  966.143037][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  966.143037][   T10]      addrconf_dad_completed+0x12b/0xe20
[  966.143037][   T10]      addrconf_dad_begin+0x310/0x670
[  966.143037][   T10]      addrconf_dad_work+0x10b/0xab0
[  966.143037][   T10]      process_one_work+0x84d/0x18a0
[  966.143037][   T10]      worker_thread+0x587/0xd30
[  966.143037][   T10]      kthread+0x28a/0x350
[  966.143037][   T10]      ret_from_fork+0x31/0x70
[  966.143037][   T10]      ret_from_fork_asm+0x1a/0x30
[  966.143037][   T10] 
[  966.145208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.145208][   T10]      netdev_get_by_index+0x5e/0x80
[  966.145208][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.145208][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.145208][   T10]      ip6_route_add+0x1c/0x140
[  966.145208][   T10]      addrconf_prefix_route+0x2a6/0x430
[  966.145208][   T10]      inet6_addr_add+0x4f8/0xa40
[  966.145208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.145208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.145208][   T10]      netlink_rcv_skb+0x130/0x360
[  966.145208][   T10]      netlink_unicast+0x449/0x710
[  966.145208][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.145208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.145208][   T10]      ___sys_sendmsg+0xee/0x170
[  966.145208][   T10]      __sys_sendmsg+0xcd/0x170
[  966.145208][   T10]      do_syscall_64+0xc6/0x1e0
[  966.145208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.145208][   T10] 
[  966.147536][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.147536][   T10]      netdev_get_by_index+0x5e/0x80
[  966.147536][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.147536][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.147536][   T10]      addrconf_f6i_alloc+0x315/0x560
[  966.147536][   T10]      ipv6_add_addr+0x411/0x2000
[  966.147536][   T10]      inet6_addr_add+0x30e/0xa40
[  966.147536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.147536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.147536][   T10]      netlink_rcv_skb+0x130/0x360
[  966.147536][   T10]      netlink_unicast+0x449/0x710
[  966.147536][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.147536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.147536][   T10]      ___sys_sendmsg+0xee/0x170
[  966.147536][   T10]      __sys_sendmsg+0xcd/0x170
[  966.147536][   T10]      do_syscall_64+0xc6/0x1e0
[  966.147536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.147536][   T10] 
[  966.149792][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.149792][   T10]      netdev_get_by_index+0x5e/0x80
[  966.149792][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.149792][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.149792][   T10]      ip6_route_add+0x1c/0x140
[  966.149792][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  966.149792][   T10]      addrconf_add_dev+0xe2/0x170
[  966.149792][   T10]      inet6_addr_add+0x12f/0xa40
[  966.149792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.149792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.149792][   T10]      netlink_rcv_skb+0x130/0x360
[  966.149792][   T10]      netlink_unicast+0x449/0x710
[  966.149792][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.149792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.149792][   T10]      ___sys_sendmsg+0xee/0x170
[  966.149792][   T10]      __sys_sendmsg+0xcd/0x170
[  966.149792][   T10]      do_syscall_64+0xc6/0x1e0
[  966.149792][   T10] 
[  966.152031][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.152031][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  966.152031][   T10]      ipv6_find_idev+0x102/0x170
[  966.152031][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  966.152031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.152031][   T10]      netlink_rcv_skb+0x130/0x360
[  966.152031][   T10]      netlink_unicast+0x449/0x710
[  966.152031][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.152031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.152031][   T10]      ___sys_sendmsg+0xee/0x170
[  966.152031][   T10]      __sys_sendmsg+0xcd/0x170
[  966.152031][   T10]      do_syscall_64+0xc6/0x1e0
[  966.152031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.152031][   T10] 
[  966.153765][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  966.153765][   T10]      neigh_parms_alloc+0x1e5/0x510
[  966.153765][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  966.153765][   T10]      ipv6_find_idev+0x102/0x170
[  966.153765][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  966.153765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.153765][   T10]      netlink_rcv_skb+0x130/0x360
[  966.153765][   T10]      netlink_unicast+0x449/0x710
[  966.153765][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.153765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.153765][   T10]      ___sys_sendmsg+0xee/0x170
[  966.153765][   T10]      __sys_sendmsg+0xcd/0x170
[  966.153765][   T10]      do_syscall_64+0xc6/0x1e0
[  966.153765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.153765][   T10] 
[  966.155766][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  966.156018][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  966.156018][   T10]      netdev_get_by_index+0x5e/0x80
[  966.156018][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.156018][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.156018][   T10]      ip6_route_add+0x1c/0x140
[  966.156018][   T10]      addrconf_prefix_route+0x2a6/0x430
[  966.156018][   T10]      inet6_addr_add+0x4f8/0xa40
[  966.156018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.156018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.156018][   T10]      netlink_rcv_skb+0x130/0x360
[  966.156018][   T10]      netlink_unicast+0x449/0x710
[  966.156018][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.156018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.156018][   T10]      ___sys_sendmsg+0xee/0x170
[  966.156018][   T10]      __sys_sendmsg+0xcd/0x170
[  966.156018][   T10]      do_syscall_64+0xc6/0x1e0
[  966.156018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.156018][   T10] 
[  966.158076][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  966.158076][   T10]      netdev_get_by_index+0x5e/0x80
[  966.158076][   T10]      fib6_nh_init+0x3d8/0x1580
[  966.158076][   T10]      ip6_route_info_create+0xf18/0x17d0
[  966.158076][   T10]      addrconf_f6i_alloc+0x315/0x560
[  966.158076][   T10]      ipv6_add_addr+0x411/0x2000
[  966.158076][   T10]      inet6_addr_add+0x30e/0xa40
[  966.158076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  966.158076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.158076][   T10]      netlink_rcv_skb+0x130/0x360
[  966.158076][   T10]      netlink_unicast+0x449/0x710
[  966.158076][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.158076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.158076][   T10]      ___sys_sendmsg+0xee/0x170
[  966.158076][   T10]      __sys_sendmsg+0xcd/0x170
[  966.158076][   T10]      do_syscall_64+0xc6/0x1e0
[  966.158076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.158076][   T10] 
[  966.160098][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  966.160098][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  966.160098][   T10]      ipv6_find_idev+0x102/0x170
[  966.160098][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  966.160098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.160098][   T10]      netlink_rcv_skb+0x130/0x360
[  966.160098][   T10]      netlink_unicast+0x449/0x710
[  966.160098][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.160098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.160098][   T10]      ___sys_sendmsg+0xee/0x170
[  966.160098][   T10]      __sys_sendmsg+0xcd/0x170
[  966.160098][   T10]      do_syscall_64+0xc6/0x1e0
[  966.160098][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.160098][   T10] 
[  966.161715][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  966.161715][   T10]      neigh_parms_alloc+0x1e5/0x510
[  966.161715][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  966.161715][   T10]      ipv6_find_idev+0x102/0x170
[  966.161715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  966.161715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  966.161715][   T10]      netlink_rcv_skb+0x130/0x360
[  966.161715][   T10]      netlink_unicast+0x449/0x710
[  966.161715][   T10]      netlink_sendmsg+0x723/0xbe0
[  966.161715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  966.161715][   T10]      ___sys_sendmsg+0xee/0x170
[  966.161715][   T10]      __sys_sendmsg+0xcd/0x170
[  966.161715][   T10]      do_syscall_64+0xc6/0x1e0
[  966.161715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  966.161715][   T10] 
[  976.264695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  976.265139][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.265139][   T10]      dst_init+0x84/0x4a0
[  976.265139][   T10]      dst_alloc+0x97/0x150
[  976.265139][   T10]      ip6_dst_alloc+0x23/0x90
[  976.265139][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  976.265139][   T10]      ip6_pol_route+0x56f/0x840
[  976.265139][   T10]      fib6_rule_lookup+0x456/0x630
[  976.265139][   T10]      ip6_route_input+0x59c/0xa50
[  976.265139][   T10]      ipv6_rcv+0x397/0x810
[  976.265139][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  976.265139][   T10]      process_backlog+0x101/0x620
[  976.265139][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  976.265139][   T10]      net_rx_action+0x495/0xbe0
[  976.265139][   T10]      __do_softirq+0x1b5/0x7f6
[  976.265139][   T10] 
[  976.266843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.266843][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  976.266843][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  976.266843][   T10]      fib6_nh_init+0xa22/0x1580
[  976.266843][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.266843][   T10]      ip6_route_add+0x1c/0x140
[  976.266843][   T10]      inet6_rtm_newroute+0x104/0x110
[  976.266843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.266843][   T10]      netlink_rcv_skb+0x130/0x360
[  976.266843][   T10]      netlink_unicast+0x449/0x710
[  976.266843][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.266843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.266843][   T10]      ___sys_sendmsg+0xee/0x170
[  976.266843][   T10]      __sys_sendmsg+0xcd/0x170
[  976.266843][   T10]      do_syscall_64+0xc6/0x1e0
[  976.266843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.266843][   T10] 
[  976.268750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.268750][   T10]      netdev_get_by_index+0x5e/0x80
[  976.268750][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.268750][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.268750][   T10]      addrconf_f6i_alloc+0x265/0x560
[  976.268750][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  976.268750][   T10]      addrconf_join_anycast+0x1c0/0x220
[  976.268750][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  976.268750][   T10]      addrconf_dad_completed+0x12b/0xe20
[  976.268750][   T10]      addrconf_dad_begin+0x310/0x670
[  976.268750][   T10]      addrconf_dad_work+0x10b/0xab0
[  976.268750][   T10]      process_one_work+0x84d/0x18a0
[  976.268750][   T10]      worker_thread+0x587/0xd30
[  976.268750][   T10]      kthread+0x28a/0x350
[  976.268750][   T10]      ret_from_fork+0x31/0x70
[  976.268750][   T10]      ret_from_fork_asm+0x1a/0x30
[  976.268750][   T10] 
[  976.270744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.270744][   T10]      netdev_get_by_index+0x5e/0x80
[  976.270744][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.270744][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.270744][   T10]      ip6_route_add+0x1c/0x140
[  976.270744][   T10]      addrconf_prefix_route+0x2a6/0x430
[  976.270744][   T10]      inet6_addr_add+0x4f8/0xa40
[  976.270744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.270744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.270744][   T10]      netlink_rcv_skb+0x130/0x360
[  976.270744][   T10]      netlink_unicast+0x449/0x710
[  976.270744][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.270744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.270744][   T10]      ___sys_sendmsg+0xee/0x170
[  976.270744][   T10]      __sys_sendmsg+0xcd/0x170
[  976.270744][   T10]      do_syscall_64+0xc6/0x1e0
[  976.270744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.270744][   T10] 
[  976.272788][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.272788][   T10]      netdev_get_by_index+0x5e/0x80
[  976.272788][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.272788][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.272788][   T10]      addrconf_f6i_alloc+0x315/0x560
[  976.272788][   T10]      ipv6_add_addr+0x411/0x2000
[  976.272788][   T10]      inet6_addr_add+0x30e/0xa40
[  976.272788][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.272788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.272788][   T10]      netlink_rcv_skb+0x130/0x360
[  976.272788][   T10]      netlink_unicast+0x449/0x710
[  976.272788][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.272788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.272788][   T10]      ___sys_sendmsg+0xee/0x170
[  976.272788][   T10]      __sys_sendmsg+0xcd/0x170
[  976.272788][   T10]      do_syscall_64+0xc6/0x1e0
[  976.272788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.272788][   T10] 
[  976.274840][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.274840][   T10]      netdev_get_by_index+0x5e/0x80
[  976.274840][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.274840][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.274840][   T10]      ip6_route_add+0x1c/0x140
[  976.274840][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  976.274840][   T10]      addrconf_add_dev+0xe2/0x170
[  976.274840][   T10]      inet6_addr_add+0x12f/0xa40
[  976.274840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.274840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.274840][   T10]      netlink_rcv_skb+0x130/0x360
[  976.274840][   T10]      netlink_unicast+0x449/0x710
[  976.274840][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.274840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.274840][   T10]      ___sys_sendmsg+0xee/0x170
[  976.274840][   T10]      __sys_sendmsg+0xcd/0x170
[  976.274840][   T10]      do_syscall_64+0xc6/0x1e0
[  976.274840][   T10] 
[  976.276903][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.276903][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  976.276903][   T10]      ipv6_find_idev+0x102/0x170
[  976.276903][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  976.276903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.276903][   T10]      netlink_rcv_skb+0x130/0x360
[  976.276903][   T10]      netlink_unicast+0x449/0x710
[  976.276903][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.276903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.276903][   T10]      ___sys_sendmsg+0xee/0x170
[  976.276903][   T10]      __sys_sendmsg+0xcd/0x170
[  976.276903][   T10]      do_syscall_64+0xc6/0x1e0
[  976.276903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.276903][   T10] 
[  976.278495][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  976.278495][   T10]      neigh_parms_alloc+0x1e5/0x510
[  976.278495][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  976.278495][   T10]      ipv6_find_idev+0x102/0x170
[  976.278495][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  976.278495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.278495][   T10]      netlink_rcv_skb+0x130/0x360
[  976.278495][   T10]      netlink_unicast+0x449/0x710
[  976.278495][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.278495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.278495][   T10]      ___sys_sendmsg+0xee/0x170
[  976.278495][   T10]      __sys_sendmsg+0xcd/0x170
[  976.278495][   T10]      do_syscall_64+0xc6/0x1e0
[  976.278495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.278495][   T10] 
[  976.280186][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  976.280437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.280437][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  976.280437][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  976.280437][   T10]      fib6_nh_init+0xa22/0x1580
[  976.280437][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.280437][   T10]      ip6_route_add+0x1c/0x140
[  976.280437][   T10]      inet6_rtm_newroute+0x104/0x110
[  976.280437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.280437][   T10]      netlink_rcv_skb+0x130/0x360
[  976.280437][   T10]      netlink_unicast+0x449/0x710
[  976.280437][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.280437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.280437][   T10]      ___sys_sendmsg+0xee/0x170
[  976.280437][   T10]      __sys_sendmsg+0xcd/0x170
[  976.280437][   T10]      do_syscall_64+0xc6/0x1e0
[  976.280437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.280437][   T10] 
[  976.282371][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.282371][   T10]      dst_init+0x84/0x4a0
[  976.282371][   T10]      dst_alloc+0x97/0x150
[  976.282371][   T10]      ip6_dst_alloc+0x23/0x90
[  976.282371][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  976.282371][   T10]      ip6_pol_route+0x56f/0x840
[  976.282371][   T10]      fib6_rule_lookup+0x456/0x630
[  976.282371][   T10]      ip6_route_input+0x59c/0xa50
[  976.282371][   T10]      ipv6_rcv+0x397/0x810
[  976.282371][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  976.282371][   T10]      process_backlog+0x101/0x620
[  976.282371][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  976.282371][   T10]      net_rx_action+0x495/0xbe0
[  976.282371][   T10]      __do_softirq+0x1b5/0x7f6
[  976.282371][   T10] 
[  976.284152][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.284152][   T10]      netdev_get_by_index+0x5e/0x80
[  976.284152][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.284152][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.284152][   T10]      addrconf_f6i_alloc+0x265/0x560
[  976.284152][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  976.284152][   T10]      addrconf_join_anycast+0x1c0/0x220
[  976.284152][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  976.284152][   T10]      addrconf_dad_completed+0x12b/0xe20
[  976.284152][   T10]      addrconf_dad_begin+0x310/0x670
[  976.284152][   T10]      addrconf_dad_work+0x10b/0xab0
[  976.284152][   T10]      process_one_work+0x84d/0x18a0
[  976.284152][   T10]      worker_thread+0x587/0xd30
[  976.284152][   T10]      kthread+0x28a/0x350
[  976.284152][   T10]      ret_from_fork+0x31/0x70
[  976.284152][   T10]      ret_from_fork_asm+0x1a/0x30
[  976.284152][   T10] 
[  976.286604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.286604][   T10]      netdev_get_by_index+0x5e/0x80
[  976.286604][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.286604][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.286604][   T10]      ip6_route_add+0x1c/0x140
[  976.286604][   T10]      addrconf_prefix_route+0x2a6/0x430
[  976.286604][   T10]      inet6_addr_add+0x4f8/0xa40
[  976.286604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.286604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.286604][   T10]      netlink_rcv_skb+0x130/0x360
[  976.286604][   T10]      netlink_unicast+0x449/0x710
[  976.286604][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.286604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.286604][   T10]      ___sys_sendmsg+0xee/0x170
[  976.286604][   T10]      __sys_sendmsg+0xcd/0x170
[  976.286604][   T10]      do_syscall_64+0xc6/0x1e0
[  976.286604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.286604][   T10] 
[  976.288896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.288896][   T10]      netdev_get_by_index+0x5e/0x80
[  976.288896][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.288896][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.288896][   T10]      addrconf_f6i_alloc+0x315/0x560
[  976.288896][   T10]      ipv6_add_addr+0x411/0x2000
[  976.288896][   T10]      inet6_addr_add+0x30e/0xa40
[  976.288896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.288896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.288896][   T10]      netlink_rcv_skb+0x130/0x360
[  976.288896][   T10]      netlink_unicast+0x449/0x710
[  976.288896][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.288896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.288896][   T10]      ___sys_sendmsg+0xee/0x170
[  976.288896][   T10]      __sys_sendmsg+0xcd/0x170
[  976.288896][   T10]      do_syscall_64+0xc6/0x1e0
[  976.288896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.288896][   T10] 
[  976.291303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.291303][   T10]      netdev_get_by_index+0x5e/0x80
[  976.291303][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.291303][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.291303][   T10]      ip6_route_add+0x1c/0x140
[  976.291303][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  976.291303][   T10]      addrconf_add_dev+0xe2/0x170
[  976.291303][   T10]      inet6_addr_add+0x12f/0xa40
[  976.291303][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.291303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.291303][   T10]      netlink_rcv_skb+0x130/0x360
[  976.291303][   T10]      netlink_unicast+0x449/0x710
[  976.291303][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.291303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.291303][   T10]      ___sys_sendmsg+0xee/0x170
[  976.291303][   T10]      __sys_sendmsg+0xcd/0x170
[  976.291303][   T10]      do_syscall_64+0xc6/0x1e0
[  976.291303][   T10] 
[  976.293629][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.293629][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  976.293629][   T10]      ipv6_find_idev+0x102/0x170
[  976.293629][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  976.293629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.293629][   T10]      netlink_rcv_skb+0x130/0x360
[  976.293629][   T10]      netlink_unicast+0x449/0x710
[  976.293629][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.293629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.293629][   T10]      ___sys_sendmsg+0xee/0x170
[  976.293629][   T10]      __sys_sendmsg+0xcd/0x170
[  976.293629][   T10]      do_syscall_64+0xc6/0x1e0
[  976.293629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.293629][   T10] 
[  976.295337][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  976.295337][   T10]      neigh_parms_alloc+0x1e5/0x510
[  976.295337][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  976.295337][   T10]      ipv6_find_idev+0x102/0x170
[  976.295337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  976.295337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.295337][   T10]      netlink_rcv_skb+0x130/0x360
[  976.295337][   T10]      netlink_unicast+0x449/0x710
[  976.295337][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.295337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.295337][   T10]      ___sys_sendmsg+0xee/0x170
[  976.295337][   T10]      __sys_sendmsg+0xcd/0x170
[  976.295337][   T10]      do_syscall_64+0xc6/0x1e0
[  976.295337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.295337][   T10] 
[  976.297300][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  976.297544][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  976.297544][   T10]      netdev_get_by_index+0x5e/0x80
[  976.297544][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.297544][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.297544][   T10]      ip6_route_add+0x1c/0x140
[  976.297544][   T10]      addrconf_prefix_route+0x2a6/0x430
[  976.297544][   T10]      inet6_addr_add+0x4f8/0xa40
[  976.297544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.297544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.297544][   T10]      netlink_rcv_skb+0x130/0x360
[  976.297544][   T10]      netlink_unicast+0x449/0x710
[  976.297544][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.297544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.297544][   T10]      ___sys_sendmsg+0xee/0x170
[  976.297544][   T10]      __sys_sendmsg+0xcd/0x170
[  976.297544][   T10]      do_syscall_64+0xc6/0x1e0
[  976.297544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.297544][   T10] 
[  976.299895][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  976.299895][   T10]      netdev_get_by_index+0x5e/0x80
[  976.299895][   T10]      fib6_nh_init+0x3d8/0x1580
[  976.299895][   T10]      ip6_route_info_create+0xf18/0x17d0
[  976.299895][   T10]      addrconf_f6i_alloc+0x315/0x560
[  976.299895][   T10]      ipv6_add_addr+0x411/0x2000
[  976.299895][   T10]      inet6_addr_add+0x30e/0xa40
[  976.299895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  976.299895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.299895][   T10]      netlink_rcv_skb+0x130/0x360
[  976.299895][   T10]      netlink_unicast+0x449/0x710
[  976.299895][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.299895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.299895][   T10]      ___sys_sendmsg+0xee/0x170
[  976.299895][   T10]      __sys_sendmsg+0xcd/0x170
[  976.299895][   T10]      do_syscall_64+0xc6/0x1e0
[  976.299895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.299895][   T10] 
[  976.302127][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  976.302127][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  976.302127][   T10]      ipv6_find_idev+0x102/0x170
[  976.302127][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  976.302127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.302127][   T10]      netlink_rcv_skb+0x130/0x360
[  976.302127][   T10]      netlink_unicast+0x449/0x710
[  976.302127][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.302127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.302127][   T10]      ___sys_sendmsg+0xee/0x170
[  976.302127][   T10]      __sys_sendmsg+0xcd/0x170
[  976.302127][   T10]      do_syscall_64+0xc6/0x1e0
[  976.302127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.302127][   T10] 
[  976.303818][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  976.303818][   T10]      neigh_parms_alloc+0x1e5/0x510
[  976.303818][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  976.303818][   T10]      ipv6_find_idev+0x102/0x170
[  976.303818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  976.303818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  976.303818][   T10]      netlink_rcv_skb+0x130/0x360
[  976.303818][   T10]      netlink_unicast+0x449/0x710
[  976.303818][   T10]      netlink_sendmsg+0x723/0xbe0
[  976.303818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  976.303818][   T10]      ___sys_sendmsg+0xee/0x170
[  976.303818][   T10]      __sys_sendmsg+0xcd/0x170
[  976.303818][   T10]      do_syscall_64+0xc6/0x1e0
[  976.303818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  976.303818][   T10] 
[  986.433942][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  986.434367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.434367][   T10]      dst_init+0x84/0x4a0
[  986.434367][   T10]      dst_alloc+0x97/0x150
[  986.434367][   T10]      ip6_dst_alloc+0x23/0x90
[  986.434367][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  986.434367][   T10]      ip6_pol_route+0x56f/0x840
[  986.434367][   T10]      fib6_rule_lookup+0x456/0x630
[  986.434367][   T10]      ip6_route_input+0x59c/0xa50
[  986.434367][   T10]      ipv6_rcv+0x397/0x810
[  986.434367][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  986.434367][   T10]      process_backlog+0x101/0x620
[  986.434367][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  986.434367][   T10]      net_rx_action+0x495/0xbe0
[  986.434367][   T10]      __do_softirq+0x1b5/0x7f6
[  986.434367][   T10] 
[  986.436115][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.436115][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  986.436115][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  986.436115][   T10]      fib6_nh_init+0xa22/0x1580
[  986.436115][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.436115][   T10]      ip6_route_add+0x1c/0x140
[  986.436115][   T10]      inet6_rtm_newroute+0x104/0x110
[  986.436115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.436115][   T10]      netlink_rcv_skb+0x130/0x360
[  986.436115][   T10]      netlink_unicast+0x449/0x710
[  986.436115][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.436115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.436115][   T10]      ___sys_sendmsg+0xee/0x170
[  986.436115][   T10]      __sys_sendmsg+0xcd/0x170
[  986.436115][   T10]      do_syscall_64+0xc6/0x1e0
[  986.436115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.436115][   T10] 
[  986.438062][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.438062][   T10]      netdev_get_by_index+0x5e/0x80
[  986.438062][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.438062][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.438062][   T10]      addrconf_f6i_alloc+0x265/0x560
[  986.438062][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  986.438062][   T10]      addrconf_join_anycast+0x1c0/0x220
[  986.438062][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  986.438062][   T10]      addrconf_dad_completed+0x12b/0xe20
[  986.438062][   T10]      addrconf_dad_begin+0x310/0x670
[  986.438062][   T10]      addrconf_dad_work+0x10b/0xab0
[  986.438062][   T10]      process_one_work+0x84d/0x18a0
[  986.438062][   T10]      worker_thread+0x587/0xd30
[  986.438062][   T10]      kthread+0x28a/0x350
[  986.438062][   T10]      ret_from_fork+0x31/0x70
[  986.438062][   T10]      ret_from_fork_asm+0x1a/0x30
[  986.438062][   T10] 
[  986.439999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.439999][   T10]      netdev_get_by_index+0x5e/0x80
[  986.439999][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.439999][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.439999][   T10]      ip6_route_add+0x1c/0x140
[  986.439999][   T10]      addrconf_prefix_route+0x2a6/0x430
[  986.439999][   T10]      inet6_addr_add+0x4f8/0xa40
[  986.439999][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.439999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.439999][   T10]      netlink_rcv_skb+0x130/0x360
[  986.439999][   T10]      netlink_unicast+0x449/0x710
[  986.439999][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.439999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.439999][   T10]      ___sys_sendmsg+0xee/0x170
[  986.439999][   T10]      __sys_sendmsg+0xcd/0x170
[  986.439999][   T10]      do_syscall_64+0xc6/0x1e0
[  986.439999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.439999][   T10] 
[  986.442079][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.442079][   T10]      netdev_get_by_index+0x5e/0x80
[  986.442079][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.442079][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.442079][   T10]      addrconf_f6i_alloc+0x315/0x560
[  986.442079][   T10]      ipv6_add_addr+0x411/0x2000
[  986.442079][   T10]      inet6_addr_add+0x30e/0xa40
[  986.442079][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.442079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.442079][   T10]      netlink_rcv_skb+0x130/0x360
[  986.442079][   T10]      netlink_unicast+0x449/0x710
[  986.442079][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.442079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.442079][   T10]      ___sys_sendmsg+0xee/0x170
[  986.442079][   T10]      __sys_sendmsg+0xcd/0x170
[  986.442079][   T10]      do_syscall_64+0xc6/0x1e0
[  986.442079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.442079][   T10] 
[  986.444198][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.444198][   T10]      netdev_get_by_index+0x5e/0x80
[  986.444198][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.444198][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.444198][   T10]      ip6_route_add+0x1c/0x140
[  986.444198][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  986.444198][   T10]      addrconf_add_dev+0xe2/0x170
[  986.444198][   T10]      inet6_addr_add+0x12f/0xa40
[  986.444198][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.444198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.444198][   T10]      netlink_rcv_skb+0x130/0x360
[  986.444198][   T10]      netlink_unicast+0x449/0x710
[  986.444198][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.444198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.444198][   T10]      ___sys_sendmsg+0xee/0x170
[  986.444198][   T10]      __sys_sendmsg+0xcd/0x170
[  986.444198][   T10]      do_syscall_64+0xc6/0x1e0
[  986.444198][   T10] 
[  986.446299][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.446299][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  986.446299][   T10]      ipv6_find_idev+0x102/0x170
[  986.446299][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  986.446299][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.446299][   T10]      netlink_rcv_skb+0x130/0x360
[  986.446299][   T10]      netlink_unicast+0x449/0x710
[  986.446299][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.446299][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.446299][   T10]      ___sys_sendmsg+0xee/0x170
[  986.446299][   T10]      __sys_sendmsg+0xcd/0x170
[  986.446299][   T10]      do_syscall_64+0xc6/0x1e0
[  986.446299][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.446299][   T10] 
[  986.448111][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  986.448111][   T10]      neigh_parms_alloc+0x1e5/0x510
[  986.448111][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  986.448111][   T10]      ipv6_find_idev+0x102/0x170
[  986.448111][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  986.448111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.448111][   T10]      netlink_rcv_skb+0x130/0x360
[  986.448111][   T10]      netlink_unicast+0x449/0x710
[  986.448111][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.448111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.448111][   T10]      ___sys_sendmsg+0xee/0x170
[  986.448111][   T10]      __sys_sendmsg+0xcd/0x170
[  986.448111][   T10]      do_syscall_64+0xc6/0x1e0
[  986.448111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.448111][   T10] 
[  986.449922][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  986.450301][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.450301][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  986.450301][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  986.450301][   T10]      fib6_nh_init+0xa22/0x1580
[  986.450301][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.450301][   T10]      ip6_route_add+0x1c/0x140
[  986.450301][   T10]      inet6_rtm_newroute+0x104/0x110
[  986.450301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.450301][   T10]      netlink_rcv_skb+0x130/0x360
[  986.450301][   T10]      netlink_unicast+0x449/0x710
[  986.450301][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.450301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.450301][   T10]      ___sys_sendmsg+0xee/0x170
[  986.450301][   T10]      __sys_sendmsg+0xcd/0x170
[  986.450301][   T10]      do_syscall_64+0xc6/0x1e0
[  986.450301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.450301][   T10] 
[  986.452688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.452688][   T10]      dst_init+0x84/0x4a0
[  986.452688][   T10]      dst_alloc+0x97/0x150
[  986.452688][   T10]      ip6_dst_alloc+0x23/0x90
[  986.452688][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  986.452688][   T10]      ip6_pol_route+0x56f/0x840
[  986.452688][   T10]      fib6_rule_lookup+0x456/0x630
[  986.452688][   T10]      ip6_route_input+0x59c/0xa50
[  986.452688][   T10]      ipv6_rcv+0x397/0x810
[  986.452688][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  986.452688][   T10]      process_backlog+0x101/0x620
[  986.452688][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  986.452688][   T10]      net_rx_action+0x495/0xbe0
[  986.452688][   T10]      __do_softirq+0x1b5/0x7f6
[  986.452688][   T10] 
[  986.454502][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.454502][   T10]      netdev_get_by_index+0x5e/0x80
[  986.454502][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.454502][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.454502][   T10]      addrconf_f6i_alloc+0x265/0x560
[  986.454502][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  986.454502][   T10]      addrconf_join_anycast+0x1c0/0x220
[  986.454502][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  986.454502][   T10]      addrconf_dad_completed+0x12b/0xe20
[  986.454502][   T10]      addrconf_dad_begin+0x310/0x670
[  986.454502][   T10]      addrconf_dad_work+0x10b/0xab0
[  986.454502][   T10]      process_one_work+0x84d/0x18a0
[  986.454502][   T10]      worker_thread+0x587/0xd30
[  986.454502][   T10]      kthread+0x28a/0x350
[  986.454502][   T10]      ret_from_fork+0x31/0x70
[  986.454502][   T10]      ret_from_fork_asm+0x1a/0x30
[  986.454502][   T10] 
[  986.456572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.456572][   T10]      netdev_get_by_index+0x5e/0x80
[  986.456572][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.456572][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.456572][   T10]      ip6_route_add+0x1c/0x140
[  986.456572][   T10]      addrconf_prefix_route+0x2a6/0x430
[  986.456572][   T10]      inet6_addr_add+0x4f8/0xa40
[  986.456572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.456572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.456572][   T10]      netlink_rcv_skb+0x130/0x360
[  986.456572][   T10]      netlink_unicast+0x449/0x710
[  986.456572][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.456572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.456572][   T10]      ___sys_sendmsg+0xee/0x170
[  986.456572][   T10]      __sys_sendmsg+0xcd/0x170
[  986.456572][   T10]      do_syscall_64+0xc6/0x1e0
[  986.456572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.456572][   T10] 
[  986.458987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.458987][   T10]      netdev_get_by_index+0x5e/0x80
[  986.458987][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.458987][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.458987][   T10]      addrconf_f6i_alloc+0x315/0x560
[  986.458987][   T10]      ipv6_add_addr+0x411/0x2000
[  986.458987][   T10]      inet6_addr_add+0x30e/0xa40
[  986.458987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.458987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.458987][   T10]      netlink_rcv_skb+0x130/0x360
[  986.458987][   T10]      netlink_unicast+0x449/0x710
[  986.458987][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.458987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.458987][   T10]      ___sys_sendmsg+0xee/0x170
[  986.458987][   T10]      __sys_sendmsg+0xcd/0x170
[  986.458987][   T10]      do_syscall_64+0xc6/0x1e0
[  986.458987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.458987][   T10] 
[  986.461212][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.461212][   T10]      netdev_get_by_index+0x5e/0x80
[  986.461212][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.461212][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.461212][   T10]      ip6_route_add+0x1c/0x140
[  986.461212][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  986.461212][   T10]      addrconf_add_dev+0xe2/0x170
[  986.461212][   T10]      inet6_addr_add+0x12f/0xa40
[  986.461212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.461212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.461212][   T10]      netlink_rcv_skb+0x130/0x360
[  986.461212][   T10]      netlink_unicast+0x449/0x710
[  986.461212][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.461212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.461212][   T10]      ___sys_sendmsg+0xee/0x170
[  986.461212][   T10]      __sys_sendmsg+0xcd/0x170
[  986.461212][   T10]      do_syscall_64+0xc6/0x1e0
[  986.461212][   T10] 
[  986.463449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.463449][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  986.463449][   T10]      ipv6_find_idev+0x102/0x170
[  986.463449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  986.463449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.463449][   T10]      netlink_rcv_skb+0x130/0x360
[  986.463449][   T10]      netlink_unicast+0x449/0x710
[  986.463449][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.463449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.463449][   T10]      ___sys_sendmsg+0xee/0x170
[  986.463449][   T10]      __sys_sendmsg+0xcd/0x170
[  986.463449][   T10]      do_syscall_64+0xc6/0x1e0
[  986.463449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.463449][   T10] 
[  986.465217][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  986.465217][   T10]      neigh_parms_alloc+0x1e5/0x510
[  986.465217][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  986.465217][   T10]      ipv6_find_idev+0x102/0x170
[  986.465217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  986.465217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.465217][   T10]      netlink_rcv_skb+0x130/0x360
[  986.465217][   T10]      netlink_unicast+0x449/0x710
[  986.465217][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.465217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.465217][   T10]      ___sys_sendmsg+0xee/0x170
[  986.465217][   T10]      __sys_sendmsg+0xcd/0x170
[  986.465217][   T10]      do_syscall_64+0xc6/0x1e0
[  986.465217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.465217][   T10] 
[  986.466995][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  986.467241][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  986.467241][   T10]      netdev_get_by_index+0x5e/0x80
[  986.467241][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.467241][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.467241][   T10]      ip6_route_add+0x1c/0x140
[  986.467241][   T10]      addrconf_prefix_route+0x2a6/0x430
[  986.467241][   T10]      inet6_addr_add+0x4f8/0xa40
[  986.467241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.467241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.467241][   T10]      netlink_rcv_skb+0x130/0x360
[  986.467241][   T10]      netlink_unicast+0x449/0x710
[  986.467241][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.467241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.467241][   T10]      ___sys_sendmsg+0xee/0x170
[  986.467241][   T10]      __sys_sendmsg+0xcd/0x170
[  986.467241][   T10]      do_syscall_64+0xc6/0x1e0
[  986.467241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.467241][   T10] 
[  986.469435][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  986.469435][   T10]      netdev_get_by_index+0x5e/0x80
[  986.469435][   T10]      fib6_nh_init+0x3d8/0x1580
[  986.469435][   T10]      ip6_route_info_create+0xf18/0x17d0
[  986.469435][   T10]      addrconf_f6i_alloc+0x315/0x560
[  986.469435][   T10]      ipv6_add_addr+0x411/0x2000
[  986.469435][   T10]      inet6_addr_add+0x30e/0xa40
[  986.469435][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  986.469435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.469435][   T10]      netlink_rcv_skb+0x130/0x360
[  986.469435][   T10]      netlink_unicast+0x449/0x710
[  986.469435][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.469435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.469435][   T10]      ___sys_sendmsg+0xee/0x170
[  986.469435][   T10]      __sys_sendmsg+0xcd/0x170
[  986.469435][   T10]      do_syscall_64+0xc6/0x1e0
[  986.469435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.469435][   T10] 
[  986.471845][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  986.471845][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  986.471845][   T10]      ipv6_find_idev+0x102/0x170
[  986.471845][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  986.471845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.471845][   T10]      netlink_rcv_skb+0x130/0x360
[  986.471845][   T10]      netlink_unicast+0x449/0x710
[  986.471845][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.471845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.471845][   T10]      ___sys_sendmsg+0xee/0x170
[  986.471845][   T10]      __sys_sendmsg+0xcd/0x170
[  986.471845][   T10]      do_syscall_64+0xc6/0x1e0
[  986.471845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.471845][   T10] 
[  986.473609][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  986.473609][   T10]      neigh_parms_alloc+0x1e5/0x510
[  986.473609][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  986.473609][   T10]      ipv6_find_idev+0x102/0x170
[  986.473609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  986.473609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  986.473609][   T10]      netlink_rcv_skb+0x130/0x360
[  986.473609][   T10]      netlink_unicast+0x449/0x710
[  986.473609][   T10]      netlink_sendmsg+0x723/0xbe0
[  986.473609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  986.473609][   T10]      ___sys_sendmsg+0xee/0x170
[  986.473609][   T10]      __sys_sendmsg+0xcd/0x170
[  986.473609][   T10]      do_syscall_64+0xc6/0x1e0
[  986.473609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  986.473609][   T10] 
[  996.608768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  996.609093][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.609093][   T10]      dst_init+0x84/0x4a0
[  996.609093][   T10]      dst_alloc+0x97/0x150
[  996.609093][   T10]      ip6_dst_alloc+0x23/0x90
[  996.609093][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  996.609093][   T10]      ip6_pol_route+0x56f/0x840
[  996.609093][   T10]      fib6_rule_lookup+0x456/0x630
[  996.609093][   T10]      ip6_route_input+0x59c/0xa50
[  996.609093][   T10]      ipv6_rcv+0x397/0x810
[  996.609093][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  996.609093][   T10]      process_backlog+0x101/0x620
[  996.609093][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  996.609093][   T10]      net_rx_action+0x495/0xbe0
[  996.609093][   T10]      __do_softirq+0x1b5/0x7f6
[  996.609093][   T10] 
[  996.610846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.610846][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  996.610846][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  996.610846][   T10]      fib6_nh_init+0xa22/0x1580
[  996.610846][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.610846][   T10]      ip6_route_add+0x1c/0x140
[  996.610846][   T10]      inet6_rtm_newroute+0x104/0x110
[  996.610846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.610846][   T10]      netlink_rcv_skb+0x130/0x360
[  996.610846][   T10]      netlink_unicast+0x449/0x710
[  996.610846][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.610846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.610846][   T10]      ___sys_sendmsg+0xee/0x170
[  996.610846][   T10]      __sys_sendmsg+0xcd/0x170
[  996.610846][   T10]      do_syscall_64+0xc6/0x1e0
[  996.610846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.610846][   T10] 
[  996.612825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.612825][   T10]      netdev_get_by_index+0x5e/0x80
[  996.612825][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.612825][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.612825][   T10]      addrconf_f6i_alloc+0x265/0x560
[  996.612825][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  996.612825][   T10]      addrconf_join_anycast+0x1c0/0x220
[  996.612825][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  996.612825][   T10]      addrconf_dad_completed+0x12b/0xe20
[  996.612825][   T10]      addrconf_dad_begin+0x310/0x670
[  996.612825][   T10]      addrconf_dad_work+0x10b/0xab0
[  996.612825][   T10]      process_one_work+0x84d/0x18a0
[  996.612825][   T10]      worker_thread+0x587/0xd30
[  996.612825][   T10]      kthread+0x28a/0x350
[  996.612825][   T10]      ret_from_fork+0x31/0x70
[  996.612825][   T10]      ret_from_fork_asm+0x1a/0x30
[  996.612825][   T10] 
[  996.614744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.614744][   T10]      netdev_get_by_index+0x5e/0x80
[  996.614744][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.614744][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.614744][   T10]      ip6_route_add+0x1c/0x140
[  996.614744][   T10]      addrconf_prefix_route+0x2a6/0x430
[  996.614744][   T10]      inet6_addr_add+0x4f8/0xa40
[  996.614744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.614744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.614744][   T10]      netlink_rcv_skb+0x130/0x360
[  996.614744][   T10]      netlink_unicast+0x449/0x710
[  996.614744][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.614744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.614744][   T10]      ___sys_sendmsg+0xee/0x170
[  996.614744][   T10]      __sys_sendmsg+0xcd/0x170
[  996.614744][   T10]      do_syscall_64+0xc6/0x1e0
[  996.614744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.614744][   T10] 
[  996.616764][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.616764][   T10]      netdev_get_by_index+0x5e/0x80
[  996.616764][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.616764][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.616764][   T10]      addrconf_f6i_alloc+0x315/0x560
[  996.616764][   T10]      ipv6_add_addr+0x411/0x2000
[  996.616764][   T10]      inet6_addr_add+0x30e/0xa40
[  996.616764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.616764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.616764][   T10]      netlink_rcv_skb+0x130/0x360
[  996.616764][   T10]      netlink_unicast+0x449/0x710
[  996.616764][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.616764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.616764][   T10]      ___sys_sendmsg+0xee/0x170
[  996.616764][   T10]      __sys_sendmsg+0xcd/0x170
[  996.616764][   T10]      do_syscall_64+0xc6/0x1e0
[  996.616764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.616764][   T10] 
[  996.618791][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.618791][   T10]      netdev_get_by_index+0x5e/0x80
[  996.618791][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.618791][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.618791][   T10]      ip6_route_add+0x1c/0x140
[  996.618791][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  996.618791][   T10]      addrconf_add_dev+0xe2/0x170
[  996.618791][   T10]      inet6_addr_add+0x12f/0xa40
[  996.618791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.618791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.618791][   T10]      netlink_rcv_skb+0x130/0x360
[  996.618791][   T10]      netlink_unicast+0x449/0x710
[  996.618791][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.618791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.618791][   T10]      ___sys_sendmsg+0xee/0x170
[  996.618791][   T10]      __sys_sendmsg+0xcd/0x170
[  996.618791][   T10]      do_syscall_64+0xc6/0x1e0
[  996.618791][   T10] 
[  996.620777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.620777][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  996.620777][   T10]      ipv6_find_idev+0x102/0x170
[  996.620777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  996.620777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.620777][   T10]      netlink_rcv_skb+0x130/0x360
[  996.620777][   T10]      netlink_unicast+0x449/0x710
[  996.620777][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.620777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.620777][   T10]      ___sys_sendmsg+0xee/0x170
[  996.620777][   T10]      __sys_sendmsg+0xcd/0x170
[  996.620777][   T10]      do_syscall_64+0xc6/0x1e0
[  996.620777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.620777][   T10] 
[  996.622326][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[  996.622326][   T10]      neigh_parms_alloc+0x1e5/0x510
[  996.622326][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  996.622326][   T10]      ipv6_find_idev+0x102/0x170
[  996.622326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  996.622326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.622326][   T10]      netlink_rcv_skb+0x130/0x360
[  996.622326][   T10]      netlink_unicast+0x449/0x710
[  996.622326][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.622326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.622326][   T10]      ___sys_sendmsg+0xee/0x170
[  996.622326][   T10]      __sys_sendmsg+0xcd/0x170
[  996.622326][   T10]      do_syscall_64+0xc6/0x1e0
[  996.622326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.622326][   T10] 
[  996.624030][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[  996.624284][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.624284][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[  996.624284][   T10]      ip6_validate_gw+0x3f7/0x7b0
[  996.624284][   T10]      fib6_nh_init+0xa22/0x1580
[  996.624284][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.624284][   T10]      ip6_route_add+0x1c/0x140
[  996.624284][   T10]      inet6_rtm_newroute+0x104/0x110
[  996.624284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.624284][   T10]      netlink_rcv_skb+0x130/0x360
[  996.624284][   T10]      netlink_unicast+0x449/0x710
[  996.624284][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.624284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.624284][   T10]      ___sys_sendmsg+0xee/0x170
[  996.624284][   T10]      __sys_sendmsg+0xcd/0x170
[  996.624284][   T10]      do_syscall_64+0xc6/0x1e0
[  996.624284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.624284][   T10] 
[  996.626165][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.626165][   T10]      dst_init+0x84/0x4a0
[  996.626165][   T10]      dst_alloc+0x97/0x150
[  996.626165][   T10]      ip6_dst_alloc+0x23/0x90
[  996.626165][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[  996.626165][   T10]      ip6_pol_route+0x56f/0x840
[  996.626165][   T10]      fib6_rule_lookup+0x456/0x630
[  996.626165][   T10]      ip6_route_input+0x59c/0xa50
[  996.626165][   T10]      ipv6_rcv+0x397/0x810
[  996.626165][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[  996.626165][   T10]      process_backlog+0x101/0x620
[  996.626165][   T10]      __napi_poll.constprop.0+0xa2/0x460
[  996.626165][   T10]      net_rx_action+0x495/0xbe0
[  996.626165][   T10]      __do_softirq+0x1b5/0x7f6
[  996.626165][   T10] 
[  996.627803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.627803][   T10]      netdev_get_by_index+0x5e/0x80
[  996.627803][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.627803][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.627803][   T10]      addrconf_f6i_alloc+0x265/0x560
[  996.627803][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[  996.627803][   T10]      addrconf_join_anycast+0x1c0/0x220
[  996.627803][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[  996.627803][   T10]      addrconf_dad_completed+0x12b/0xe20
[  996.627803][   T10]      addrconf_dad_begin+0x310/0x670
[  996.627803][   T10]      addrconf_dad_work+0x10b/0xab0
[  996.627803][   T10]      process_one_work+0x84d/0x18a0
[  996.627803][   T10]      worker_thread+0x587/0xd30
[  996.627803][   T10]      kthread+0x28a/0x350
[  996.627803][   T10]      ret_from_fork+0x31/0x70
[  996.627803][   T10]      ret_from_fork_asm+0x1a/0x30
[  996.627803][   T10] 
[  996.629788][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.629788][   T10]      netdev_get_by_index+0x5e/0x80
[  996.629788][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.629788][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.629788][   T10]      ip6_route_add+0x1c/0x140
[  996.629788][   T10]      addrconf_prefix_route+0x2a6/0x430
[  996.629788][   T10]      inet6_addr_add+0x4f8/0xa40
[  996.629788][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.629788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.629788][   T10]      netlink_rcv_skb+0x130/0x360
[  996.629788][   T10]      netlink_unicast+0x449/0x710
[  996.629788][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.629788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.629788][   T10]      ___sys_sendmsg+0xee/0x170
[  996.629788][   T10]      __sys_sendmsg+0xcd/0x170
[  996.629788][   T10]      do_syscall_64+0xc6/0x1e0
[  996.629788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.629788][   T10] 
[  996.632030][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.632030][   T10]      netdev_get_by_index+0x5e/0x80
[  996.632030][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.632030][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.632030][   T10]      addrconf_f6i_alloc+0x315/0x560
[  996.632030][   T10]      ipv6_add_addr+0x411/0x2000
[  996.632030][   T10]      inet6_addr_add+0x30e/0xa40
[  996.632030][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.632030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.632030][   T10]      netlink_rcv_skb+0x130/0x360
[  996.632030][   T10]      netlink_unicast+0x449/0x710
[  996.632030][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.632030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.632030][   T10]      ___sys_sendmsg+0xee/0x170
[  996.632030][   T10]      __sys_sendmsg+0xcd/0x170
[  996.632030][   T10]      do_syscall_64+0xc6/0x1e0
[  996.632030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.632030][   T10] 
[  996.634281][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.634281][   T10]      netdev_get_by_index+0x5e/0x80
[  996.634281][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.634281][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.634281][   T10]      ip6_route_add+0x1c/0x140
[  996.634281][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[  996.634281][   T10]      addrconf_add_dev+0xe2/0x170
[  996.634281][   T10]      inet6_addr_add+0x12f/0xa40
[  996.634281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.634281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.634281][   T10]      netlink_rcv_skb+0x130/0x360
[  996.634281][   T10]      netlink_unicast+0x449/0x710
[  996.634281][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.634281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.634281][   T10]      ___sys_sendmsg+0xee/0x170
[  996.634281][   T10]      __sys_sendmsg+0xcd/0x170
[  996.634281][   T10]      do_syscall_64+0xc6/0x1e0
[  996.634281][   T10] 
[  996.636435][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.636435][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  996.636435][   T10]      ipv6_find_idev+0x102/0x170
[  996.636435][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  996.636435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.636435][   T10]      netlink_rcv_skb+0x130/0x360
[  996.636435][   T10]      netlink_unicast+0x449/0x710
[  996.636435][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.636435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.636435][   T10]      ___sys_sendmsg+0xee/0x170
[  996.636435][   T10]      __sys_sendmsg+0xcd/0x170
[  996.636435][   T10]      do_syscall_64+0xc6/0x1e0
[  996.636435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.636435][   T10] 
[  996.638097][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[  996.638097][   T10]      neigh_parms_alloc+0x1e5/0x510
[  996.638097][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  996.638097][   T10]      ipv6_find_idev+0x102/0x170
[  996.638097][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  996.638097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.638097][   T10]      netlink_rcv_skb+0x130/0x360
[  996.638097][   T10]      netlink_unicast+0x449/0x710
[  996.638097][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.638097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.638097][   T10]      ___sys_sendmsg+0xee/0x170
[  996.638097][   T10]      __sys_sendmsg+0xcd/0x170
[  996.638097][   T10]      do_syscall_64+0xc6/0x1e0
[  996.638097][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.638097][   T10] 
[  996.640048][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[  996.640304][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  996.640304][   T10]      netdev_get_by_index+0x5e/0x80
[  996.640304][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.640304][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.640304][   T10]      ip6_route_add+0x1c/0x140
[  996.640304][   T10]      addrconf_prefix_route+0x2a6/0x430
[  996.640304][   T10]      inet6_addr_add+0x4f8/0xa40
[  996.640304][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.640304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.640304][   T10]      netlink_rcv_skb+0x130/0x360
[  996.640304][   T10]      netlink_unicast+0x449/0x710
[  996.640304][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.640304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.640304][   T10]      ___sys_sendmsg+0xee/0x170
[  996.640304][   T10]      __sys_sendmsg+0xcd/0x170
[  996.640304][   T10]      do_syscall_64+0xc6/0x1e0
[  996.640304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.640304][   T10] 
[  996.642510][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  996.642510][   T10]      netdev_get_by_index+0x5e/0x80
[  996.642510][   T10]      fib6_nh_init+0x3d8/0x1580
[  996.642510][   T10]      ip6_route_info_create+0xf18/0x17d0
[  996.642510][   T10]      addrconf_f6i_alloc+0x315/0x560
[  996.642510][   T10]      ipv6_add_addr+0x411/0x2000
[  996.642510][   T10]      inet6_addr_add+0x30e/0xa40
[  996.642510][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[  996.642510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.642510][   T10]      netlink_rcv_skb+0x130/0x360
[  996.642510][   T10]      netlink_unicast+0x449/0x710
[  996.642510][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.642510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.642510][   T10]      ___sys_sendmsg+0xee/0x170
[  996.642510][   T10]      __sys_sendmsg+0xcd/0x170
[  996.642510][   T10]      do_syscall_64+0xc6/0x1e0
[  996.642510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.642510][   T10] 
[  996.644814][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  996.644814][   T10]      ipv6_add_dev+0x3ba/0x11c0
[  996.644814][   T10]      ipv6_find_idev+0x102/0x170
[  996.644814][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  996.644814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.644814][   T10]      netlink_rcv_skb+0x130/0x360
[  996.644814][   T10]      netlink_unicast+0x449/0x710
[  996.644814][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.644814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.644814][   T10]      ___sys_sendmsg+0xee/0x170
[  996.644814][   T10]      __sys_sendmsg+0xcd/0x170
[  996.644814][   T10]      do_syscall_64+0xc6/0x1e0
[  996.644814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.644814][   T10] 
[  996.646526][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[  996.646526][   T10]      neigh_parms_alloc+0x1e5/0x510
[  996.646526][   T10]      ipv6_add_dev+0x2fe/0x11c0
[  996.646526][   T10]      ipv6_find_idev+0x102/0x170
[  996.646526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[  996.646526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[  996.646526][   T10]      netlink_rcv_skb+0x130/0x360
[  996.646526][   T10]      netlink_unicast+0x449/0x710
[  996.646526][   T10]      netlink_sendmsg+0x723/0xbe0
[  996.646526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[  996.646526][   T10]      ___sys_sendmsg+0xee/0x170
[  996.646526][   T10]      __sys_sendmsg+0xcd/0x170
[  996.646526][   T10]      do_syscall_64+0xc6/0x1e0
[  996.646526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  996.646526][   T10] 
[ 1006.736686][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1006.737113][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.737113][   T10]      dst_init+0x84/0x4a0
[ 1006.737113][   T10]      dst_alloc+0x97/0x150
[ 1006.737113][   T10]      ip6_dst_alloc+0x23/0x90
[ 1006.737113][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1006.737113][   T10]      ip6_pol_route+0x56f/0x840
[ 1006.737113][   T10]      fib6_rule_lookup+0x456/0x630
[ 1006.737113][   T10]      ip6_route_input+0x59c/0xa50
[ 1006.737113][   T10]      ipv6_rcv+0x397/0x810
[ 1006.737113][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1006.737113][   T10]      process_backlog+0x101/0x620
[ 1006.737113][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1006.737113][   T10]      net_rx_action+0x495/0xbe0
[ 1006.737113][   T10]      __do_softirq+0x1b5/0x7f6
[ 1006.737113][   T10] 
[ 1006.738871][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.738871][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1006.738871][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1006.738871][   T10]      fib6_nh_init+0xa22/0x1580
[ 1006.738871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.738871][   T10]      ip6_route_add+0x1c/0x140
[ 1006.738871][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1006.738871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.738871][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.738871][   T10]      netlink_unicast+0x449/0x710
[ 1006.738871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.738871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.738871][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.738871][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.738871][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.738871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.738871][   T10] 
[ 1006.740842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.740842][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.740842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.740842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.740842][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1006.740842][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1006.740842][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1006.740842][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1006.740842][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1006.740842][   T10]      addrconf_dad_begin+0x310/0x670
[ 1006.740842][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1006.740842][   T10]      process_one_work+0x84d/0x18a0
[ 1006.740842][   T10]      worker_thread+0x587/0xd30
[ 1006.740842][   T10]      kthread+0x28a/0x350
[ 1006.740842][   T10]      ret_from_fork+0x31/0x70
[ 1006.740842][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1006.740842][   T10] 
[ 1006.742757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.742757][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.742757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.742757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.742757][   T10]      ip6_route_add+0x1c/0x140
[ 1006.742757][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1006.742757][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1006.742757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.742757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.742757][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.742757][   T10]      netlink_unicast+0x449/0x710
[ 1006.742757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.742757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.742757][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.742757][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.742757][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.742757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.742757][   T10] 
[ 1006.744821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.744821][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.744821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.744821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.744821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1006.744821][   T10]      ipv6_add_addr+0x411/0x2000
[ 1006.744821][   T10]      inet6_addr_add+0x30e/0xa40
[ 1006.744821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.744821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.744821][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.744821][   T10]      netlink_unicast+0x449/0x710
[ 1006.744821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.744821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.744821][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.744821][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.744821][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.744821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.744821][   T10] 
[ 1006.746885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.746885][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.746885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.746885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.746885][   T10]      ip6_route_add+0x1c/0x140
[ 1006.746885][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1006.746885][   T10]      addrconf_add_dev+0xe2/0x170
[ 1006.746885][   T10]      inet6_addr_add+0x12f/0xa40
[ 1006.746885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.746885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.746885][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.746885][   T10]      netlink_unicast+0x449/0x710
[ 1006.746885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.746885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.746885][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.746885][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.746885][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.746885][   T10] 
[ 1006.748863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.748863][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1006.748863][   T10]      ipv6_find_idev+0x102/0x170
[ 1006.748863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1006.748863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.748863][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.748863][   T10]      netlink_unicast+0x449/0x710
[ 1006.748863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.748863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.748863][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.748863][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.748863][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.748863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.748863][   T10] 
[ 1006.750443][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1006.750443][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1006.750443][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1006.750443][   T10]      ipv6_find_idev+0x102/0x170
[ 1006.750443][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1006.750443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.750443][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.750443][   T10]      netlink_unicast+0x449/0x710
[ 1006.750443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.750443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.750443][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.750443][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.750443][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.750443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.750443][   T10] 
[ 1006.752232][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1006.752477][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.752477][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1006.752477][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1006.752477][   T10]      fib6_nh_init+0xa22/0x1580
[ 1006.752477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.752477][   T10]      ip6_route_add+0x1c/0x140
[ 1006.752477][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1006.752477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.752477][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.752477][   T10]      netlink_unicast+0x449/0x710
[ 1006.752477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.752477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.752477][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.752477][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.752477][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.752477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.752477][   T10] 
[ 1006.754817][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.754817][   T10]      dst_init+0x84/0x4a0
[ 1006.754817][   T10]      dst_alloc+0x97/0x150
[ 1006.754817][   T10]      ip6_dst_alloc+0x23/0x90
[ 1006.754817][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1006.754817][   T10]      ip6_pol_route+0x56f/0x840
[ 1006.754817][   T10]      fib6_rule_lookup+0x456/0x630
[ 1006.754817][   T10]      ip6_route_input+0x59c/0xa50
[ 1006.754817][   T10]      ipv6_rcv+0x397/0x810
[ 1006.754817][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1006.754817][   T10]      process_backlog+0x101/0x620
[ 1006.754817][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1006.754817][   T10]      net_rx_action+0x495/0xbe0
[ 1006.754817][   T10]      __do_softirq+0x1b5/0x7f6
[ 1006.754817][   T10] 
[ 1006.756665][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.756665][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.756665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.756665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.756665][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1006.756665][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1006.756665][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1006.756665][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1006.756665][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1006.756665][   T10]      addrconf_dad_begin+0x310/0x670
[ 1006.756665][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1006.756665][   T10]      process_one_work+0x84d/0x18a0
[ 1006.756665][   T10]      worker_thread+0x587/0xd30
[ 1006.756665][   T10]      kthread+0x28a/0x350
[ 1006.756665][   T10]      ret_from_fork+0x31/0x70
[ 1006.756665][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1006.756665][   T10] 
[ 1006.758803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.758803][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.758803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.758803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.758803][   T10]      ip6_route_add+0x1c/0x140
[ 1006.758803][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1006.758803][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1006.758803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.758803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.758803][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.758803][   T10]      netlink_unicast+0x449/0x710
[ 1006.758803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.758803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.758803][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.758803][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.758803][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.758803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.758803][   T10] 
[ 1006.761335][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.761335][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.761335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.761335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.761335][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1006.761335][   T10]      ipv6_add_addr+0x411/0x2000
[ 1006.761335][   T10]      inet6_addr_add+0x30e/0xa40
[ 1006.761335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.761335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.761335][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.761335][   T10]      netlink_unicast+0x449/0x710
[ 1006.761335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.761335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.761335][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.761335][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.761335][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.761335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.761335][   T10] 
[ 1006.763573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.763573][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.763573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.763573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.763573][   T10]      ip6_route_add+0x1c/0x140
[ 1006.763573][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1006.763573][   T10]      addrconf_add_dev+0xe2/0x170
[ 1006.763573][   T10]      inet6_addr_add+0x12f/0xa40
[ 1006.763573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.763573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.763573][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.763573][   T10]      netlink_unicast+0x449/0x710
[ 1006.763573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.763573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.763573][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.763573][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.763573][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.763573][   T10] 
[ 1006.765823][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.765823][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1006.765823][   T10]      ipv6_find_idev+0x102/0x170
[ 1006.765823][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1006.765823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.765823][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.765823][   T10]      netlink_unicast+0x449/0x710
[ 1006.765823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.765823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.765823][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.765823][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.765823][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.765823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.765823][   T10] 
[ 1006.767488][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1006.767488][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1006.767488][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1006.767488][   T10]      ipv6_find_idev+0x102/0x170
[ 1006.767488][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1006.767488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.767488][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.767488][   T10]      netlink_unicast+0x449/0x710
[ 1006.767488][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.767488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.767488][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.767488][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.767488][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.767488][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.767488][   T10] 
[ 1006.769465][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1006.769792][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1006.769792][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.769792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.769792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.769792][   T10]      ip6_route_add+0x1c/0x140
[ 1006.769792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1006.769792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1006.769792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.769792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.769792][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.769792][   T10]      netlink_unicast+0x449/0x710
[ 1006.769792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.769792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.769792][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.769792][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.769792][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.769792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.769792][   T10] 
[ 1006.771966][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1006.771966][   T10]      netdev_get_by_index+0x5e/0x80
[ 1006.771966][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1006.771966][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1006.771966][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1006.771966][   T10]      ipv6_add_addr+0x411/0x2000
[ 1006.771966][   T10]      inet6_addr_add+0x30e/0xa40
[ 1006.771966][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1006.771966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.771966][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.771966][   T10]      netlink_unicast+0x449/0x710
[ 1006.771966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.771966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.771966][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.771966][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.771966][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.771966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.771966][   T10] 
[ 1006.774416][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1006.774416][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1006.774416][   T10]      ipv6_find_idev+0x102/0x170
[ 1006.774416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1006.774416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.774416][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.774416][   T10]      netlink_unicast+0x449/0x710
[ 1006.774416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.774416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.774416][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.774416][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.774416][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.774416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.774416][   T10] 
[ 1006.776211][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1006.776211][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1006.776211][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1006.776211][   T10]      ipv6_find_idev+0x102/0x170
[ 1006.776211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1006.776211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1006.776211][   T10]      netlink_rcv_skb+0x130/0x360
[ 1006.776211][   T10]      netlink_unicast+0x449/0x710
[ 1006.776211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1006.776211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1006.776211][   T10]      ___sys_sendmsg+0xee/0x170
[ 1006.776211][   T10]      __sys_sendmsg+0xcd/0x170
[ 1006.776211][   T10]      do_syscall_64+0xc6/0x1e0
[ 1006.776211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1006.776211][   T10] 
[ 1016.904711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1016.905171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.905171][   T10]      dst_init+0x84/0x4a0
[ 1016.905171][   T10]      dst_alloc+0x97/0x150
[ 1016.905171][   T10]      ip6_dst_alloc+0x23/0x90
[ 1016.905171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1016.905171][   T10]      ip6_pol_route+0x56f/0x840
[ 1016.905171][   T10]      fib6_rule_lookup+0x456/0x630
[ 1016.905171][   T10]      ip6_route_input+0x59c/0xa50
[ 1016.905171][   T10]      ipv6_rcv+0x397/0x810
[ 1016.905171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1016.905171][   T10]      process_backlog+0x101/0x620
[ 1016.905171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1016.905171][   T10]      net_rx_action+0x495/0xbe0
[ 1016.905171][   T10]      __do_softirq+0x1b5/0x7f6
[ 1016.905171][   T10] 
[ 1016.906935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.906935][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1016.906935][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1016.906935][   T10]      fib6_nh_init+0xa22/0x1580
[ 1016.906935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.906935][   T10]      ip6_route_add+0x1c/0x140
[ 1016.906935][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1016.906935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.906935][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.906935][   T10]      netlink_unicast+0x449/0x710
[ 1016.906935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.906935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.906935][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.906935][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.906935][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.906935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.906935][   T10] 
[ 1016.908947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.908947][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.908947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.908947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.908947][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1016.908947][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1016.908947][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1016.908947][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1016.908947][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1016.908947][   T10]      addrconf_dad_begin+0x310/0x670
[ 1016.908947][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1016.908947][   T10]      process_one_work+0x84d/0x18a0
[ 1016.908947][   T10]      worker_thread+0x587/0xd30
[ 1016.908947][   T10]      kthread+0x28a/0x350
[ 1016.908947][   T10]      ret_from_fork+0x31/0x70
[ 1016.908947][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1016.908947][   T10] 
[ 1016.910962][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.910962][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.910962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.910962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.910962][   T10]      ip6_route_add+0x1c/0x140
[ 1016.910962][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1016.910962][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1016.910962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.910962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.910962][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.910962][   T10]      netlink_unicast+0x449/0x710
[ 1016.910962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.910962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.910962][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.910962][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.910962][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.910962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.910962][   T10] 
[ 1016.913287][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.913287][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.913287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.913287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.913287][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1016.913287][   T10]      ipv6_add_addr+0x411/0x2000
[ 1016.913287][   T10]      inet6_addr_add+0x30e/0xa40
[ 1016.913287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.913287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.913287][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.913287][   T10]      netlink_unicast+0x449/0x710
[ 1016.913287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.913287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.913287][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.913287][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.913287][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.913287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.913287][   T10] 
[ 1016.915639][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.915639][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.915639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.915639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.915639][   T10]      ip6_route_add+0x1c/0x140
[ 1016.915639][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1016.915639][   T10]      addrconf_add_dev+0xe2/0x170
[ 1016.915639][   T10]      inet6_addr_add+0x12f/0xa40
[ 1016.915639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.915639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.915639][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.915639][   T10]      netlink_unicast+0x449/0x710
[ 1016.915639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.915639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.915639][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.915639][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.915639][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.915639][   T10] 
[ 1016.918080][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.918080][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1016.918080][   T10]      ipv6_find_idev+0x102/0x170
[ 1016.918080][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1016.918080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.918080][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.918080][   T10]      netlink_unicast+0x449/0x710
[ 1016.918080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.918080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.918080][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.918080][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.918080][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.918080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.918080][   T10] 
[ 1016.919870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1016.919870][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1016.919870][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1016.919870][   T10]      ipv6_find_idev+0x102/0x170
[ 1016.919870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1016.919870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.919870][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.919870][   T10]      netlink_unicast+0x449/0x710
[ 1016.919870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.919870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.919870][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.919870][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.919870][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.919870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.919870][   T10] 
[ 1016.921844][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1016.922153][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.922153][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1016.922153][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1016.922153][   T10]      fib6_nh_init+0xa22/0x1580
[ 1016.922153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.922153][   T10]      ip6_route_add+0x1c/0x140
[ 1016.922153][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1016.922153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.922153][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.922153][   T10]      netlink_unicast+0x449/0x710
[ 1016.922153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.922153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.922153][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.922153][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.922153][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.922153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.922153][   T10] 
[ 1016.924241][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.924241][   T10]      dst_init+0x84/0x4a0
[ 1016.924241][   T10]      dst_alloc+0x97/0x150
[ 1016.924241][   T10]      ip6_dst_alloc+0x23/0x90
[ 1016.924241][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1016.924241][   T10]      ip6_pol_route+0x56f/0x840
[ 1016.924241][   T10]      fib6_rule_lookup+0x456/0x630
[ 1016.924241][   T10]      ip6_route_input+0x59c/0xa50
[ 1016.924241][   T10]      ipv6_rcv+0x397/0x810
[ 1016.924241][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1016.924241][   T10]      process_backlog+0x101/0x620
[ 1016.924241][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1016.924241][   T10]      net_rx_action+0x495/0xbe0
[ 1016.924241][   T10]      __do_softirq+0x1b5/0x7f6
[ 1016.924241][   T10] 
[ 1016.926142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.926142][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.926142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.926142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.926142][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1016.926142][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1016.926142][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1016.926142][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1016.926142][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1016.926142][   T10]      addrconf_dad_begin+0x310/0x670
[ 1016.926142][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1016.926142][   T10]      process_one_work+0x84d/0x18a0
[ 1016.926142][   T10]      worker_thread+0x587/0xd30
[ 1016.926142][   T10]      kthread+0x28a/0x350
[ 1016.926142][   T10]      ret_from_fork+0x31/0x70
[ 1016.926142][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1016.926142][   T10] 
[ 1016.928320][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.928320][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.928320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.928320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.928320][   T10]      ip6_route_add+0x1c/0x140
[ 1016.928320][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1016.928320][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1016.928320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.928320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.928320][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.928320][   T10]      netlink_unicast+0x449/0x710
[ 1016.928320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.928320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.928320][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.928320][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.928320][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.928320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.928320][   T10] 
[ 1016.930640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.930640][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.930640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.930640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.930640][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1016.930640][   T10]      ipv6_add_addr+0x411/0x2000
[ 1016.930640][   T10]      inet6_addr_add+0x30e/0xa40
[ 1016.930640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.930640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.930640][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.930640][   T10]      netlink_unicast+0x449/0x710
[ 1016.930640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.930640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.930640][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.930640][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.930640][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.930640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.930640][   T10] 
[ 1016.932981][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.932981][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.932981][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.932981][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.932981][   T10]      ip6_route_add+0x1c/0x140
[ 1016.932981][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1016.932981][   T10]      addrconf_add_dev+0xe2/0x170
[ 1016.932981][   T10]      inet6_addr_add+0x12f/0xa40
[ 1016.932981][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.932981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.932981][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.932981][   T10]      netlink_unicast+0x449/0x710
[ 1016.932981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.932981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.932981][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.932981][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.932981][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.932981][   T10] 
[ 1016.935290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.935290][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1016.935290][   T10]      ipv6_find_idev+0x102/0x170
[ 1016.935290][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1016.935290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.935290][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.935290][   T10]      netlink_unicast+0x449/0x710
[ 1016.935290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.935290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.935290][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.935290][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.935290][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.935290][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.935290][   T10] 
[ 1016.937070][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1016.937070][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1016.937070][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1016.937070][   T10]      ipv6_find_idev+0x102/0x170
[ 1016.937070][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1016.937070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.937070][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.937070][   T10]      netlink_unicast+0x449/0x710
[ 1016.937070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.937070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.937070][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.937070][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.937070][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.937070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.937070][   T10] 
[ 1016.939090][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1016.939403][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1016.939403][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.939403][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.939403][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.939403][   T10]      ip6_route_add+0x1c/0x140
[ 1016.939403][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1016.939403][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1016.939403][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.939403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.939403][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.939403][   T10]      netlink_unicast+0x449/0x710
[ 1016.939403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.939403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.939403][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.939403][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.939403][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.939403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.939403][   T10] 
[ 1016.941693][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1016.941693][   T10]      netdev_get_by_index+0x5e/0x80
[ 1016.941693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1016.941693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1016.941693][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1016.941693][   T10]      ipv6_add_addr+0x411/0x2000
[ 1016.941693][   T10]      inet6_addr_add+0x30e/0xa40
[ 1016.941693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1016.941693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.941693][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.941693][   T10]      netlink_unicast+0x449/0x710
[ 1016.941693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.941693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.941693][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.941693][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.941693][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.941693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.941693][   T10] 
[ 1016.944068][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1016.944068][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1016.944068][   T10]      ipv6_find_idev+0x102/0x170
[ 1016.944068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1016.944068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.944068][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.944068][   T10]      netlink_unicast+0x449/0x710
[ 1016.944068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.944068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.944068][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.944068][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.944068][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.944068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.944068][   T10] 
[ 1016.945869][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1016.945869][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1016.945869][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1016.945869][   T10]      ipv6_find_idev+0x102/0x170
[ 1016.945869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1016.945869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1016.945869][   T10]      netlink_rcv_skb+0x130/0x360
[ 1016.945869][   T10]      netlink_unicast+0x449/0x710
[ 1016.945869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1016.945869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1016.945869][   T10]      ___sys_sendmsg+0xee/0x170
[ 1016.945869][   T10]      __sys_sendmsg+0xcd/0x170
[ 1016.945869][   T10]      do_syscall_64+0xc6/0x1e0
[ 1016.945869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1016.945869][   T10] 
[ 1021.819571][ T5859] veth0: renamed from veth1
[ 1025.729693][ T5885] br0: port 1(vx0) entered blocking state
[ 1025.729940][ T5885] br0: port 1(vx0) entered disabled state
[ 1025.730111][ T5885] vx0: entered allmulticast mode
[ 1025.731279][ T5885] vx0: entered promiscuous mode
[ 1025.733529][ T5885] br0: port 1(vx0) entered blocking state
[ 1025.733706][ T5885] br0: port 1(vx0) entered forwarding state
[ 1027.073472][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1027.073886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.073886][   T10]      dst_init+0x84/0x4a0
[ 1027.073886][   T10]      dst_alloc+0x97/0x150
[ 1027.073886][   T10]      ip6_dst_alloc+0x23/0x90
[ 1027.073886][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1027.073886][   T10]      ip6_pol_route+0x56f/0x840
[ 1027.073886][   T10]      fib6_rule_lookup+0x456/0x630
[ 1027.073886][   T10]      ip6_route_input+0x59c/0xa50
[ 1027.073886][   T10]      ipv6_rcv+0x397/0x810
[ 1027.073886][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1027.073886][   T10]      process_backlog+0x101/0x620
[ 1027.073886][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1027.073886][   T10]      net_rx_action+0x495/0xbe0
[ 1027.073886][   T10]      __do_softirq+0x1b5/0x7f6
[ 1027.073886][   T10] 
[ 1027.075556][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.075556][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1027.075556][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1027.075556][   T10]      fib6_nh_init+0xa22/0x1580
[ 1027.075556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.075556][   T10]      ip6_route_add+0x1c/0x140
[ 1027.075556][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1027.075556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.075556][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.075556][   T10]      netlink_unicast+0x449/0x710
[ 1027.075556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.075556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.075556][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.075556][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.075556][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.075556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.075556][   T10] 
[ 1027.077440][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.077440][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.077440][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.077440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.077440][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1027.077440][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1027.077440][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1027.077440][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1027.077440][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1027.077440][   T10]      addrconf_dad_begin+0x310/0x670
[ 1027.077440][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1027.077440][   T10]      process_one_work+0x84d/0x18a0
[ 1027.077440][   T10]      worker_thread+0x587/0xd30
[ 1027.077440][   T10]      kthread+0x28a/0x350
[ 1027.077440][   T10]      ret_from_fork+0x31/0x70
[ 1027.077440][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1027.077440][   T10] 
[ 1027.079358][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.079358][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.079358][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.079358][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.079358][   T10]      ip6_route_add+0x1c/0x140
[ 1027.079358][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1027.079358][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1027.079358][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.079358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.079358][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.079358][   T10]      netlink_unicast+0x449/0x710
[ 1027.079358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.079358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.079358][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.079358][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.079358][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.079358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.079358][   T10] 
[ 1027.081385][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.081385][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.081385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.081385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.081385][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1027.081385][   T10]      ipv6_add_addr+0x411/0x2000
[ 1027.081385][   T10]      inet6_addr_add+0x30e/0xa40
[ 1027.081385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.081385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.081385][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.081385][   T10]      netlink_unicast+0x449/0x710
[ 1027.081385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.081385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.081385][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.081385][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.081385][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.081385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.081385][   T10] 
[ 1027.083389][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.083389][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.083389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.083389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.083389][   T10]      ip6_route_add+0x1c/0x140
[ 1027.083389][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1027.083389][   T10]      addrconf_add_dev+0xe2/0x170
[ 1027.083389][   T10]      inet6_addr_add+0x12f/0xa40
[ 1027.083389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.083389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.083389][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.083389][   T10]      netlink_unicast+0x449/0x710
[ 1027.083389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.083389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.083389][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.083389][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.083389][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.083389][   T10] 
[ 1027.085361][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.085361][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1027.085361][   T10]      ipv6_find_idev+0x102/0x170
[ 1027.085361][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1027.085361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.085361][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.085361][   T10]      netlink_unicast+0x449/0x710
[ 1027.085361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.085361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.085361][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.085361][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.085361][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.085361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.085361][   T10] 
[ 1027.086910][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1027.086910][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1027.086910][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1027.086910][   T10]      ipv6_find_idev+0x102/0x170
[ 1027.086910][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1027.086910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.086910][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.086910][   T10]      netlink_unicast+0x449/0x710
[ 1027.086910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.086910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.086910][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.086910][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.086910][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.086910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.086910][   T10] 
[ 1027.088729][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1027.088979][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.088979][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1027.088979][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1027.088979][   T10]      fib6_nh_init+0xa22/0x1580
[ 1027.088979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.088979][   T10]      ip6_route_add+0x1c/0x140
[ 1027.088979][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1027.088979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.088979][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.088979][   T10]      netlink_unicast+0x449/0x710
[ 1027.088979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.088979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.088979][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.088979][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.088979][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.088979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.088979][   T10] 
[ 1027.090956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.090956][   T10]      dst_init+0x84/0x4a0
[ 1027.090956][   T10]      dst_alloc+0x97/0x150
[ 1027.090956][   T10]      ip6_dst_alloc+0x23/0x90
[ 1027.090956][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1027.090956][   T10]      ip6_pol_route+0x56f/0x840
[ 1027.090956][   T10]      fib6_rule_lookup+0x456/0x630
[ 1027.090956][   T10]      ip6_route_input+0x59c/0xa50
[ 1027.090956][   T10]      ipv6_rcv+0x397/0x810
[ 1027.090956][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1027.090956][   T10]      process_backlog+0x101/0x620
[ 1027.090956][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1027.090956][   T10]      net_rx_action+0x495/0xbe0
[ 1027.090956][   T10]      __do_softirq+0x1b5/0x7f6
[ 1027.090956][   T10] 
[ 1027.092658][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.092658][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.092658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.092658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.092658][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1027.092658][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1027.092658][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1027.092658][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1027.092658][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1027.092658][   T10]      addrconf_dad_begin+0x310/0x670
[ 1027.092658][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1027.092658][   T10]      process_one_work+0x84d/0x18a0
[ 1027.092658][   T10]      worker_thread+0x587/0xd30
[ 1027.092658][   T10]      kthread+0x28a/0x350
[ 1027.092658][   T10]      ret_from_fork+0x31/0x70
[ 1027.092658][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1027.092658][   T10] 
[ 1027.094771][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.094771][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.094771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.094771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.094771][   T10]      ip6_route_add+0x1c/0x140
[ 1027.094771][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1027.094771][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1027.094771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.094771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.094771][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.094771][   T10]      netlink_unicast+0x449/0x710
[ 1027.094771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.094771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.094771][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.094771][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.094771][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.094771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.094771][   T10] 
[ 1027.097026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.097026][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.097026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.097026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.097026][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1027.097026][   T10]      ipv6_add_addr+0x411/0x2000
[ 1027.097026][   T10]      inet6_addr_add+0x30e/0xa40
[ 1027.097026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.097026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.097026][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.097026][   T10]      netlink_unicast+0x449/0x710
[ 1027.097026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.097026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.097026][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.097026][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.097026][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.097026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.097026][   T10] 
[ 1027.099293][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.099293][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.099293][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.099293][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.099293][   T10]      ip6_route_add+0x1c/0x140
[ 1027.099293][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1027.099293][   T10]      addrconf_add_dev+0xe2/0x170
[ 1027.099293][   T10]      inet6_addr_add+0x12f/0xa40
[ 1027.099293][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.099293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.099293][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.099293][   T10]      netlink_unicast+0x449/0x710
[ 1027.099293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.099293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.099293][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.099293][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.099293][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.099293][   T10] 
[ 1027.101505][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.101505][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1027.101505][   T10]      ipv6_find_idev+0x102/0x170
[ 1027.101505][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1027.101505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.101505][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.101505][   T10]      netlink_unicast+0x449/0x710
[ 1027.101505][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.101505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.101505][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.101505][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.101505][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.101505][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.101505][   T10] 
[ 1027.103238][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1027.103238][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1027.103238][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1027.103238][   T10]      ipv6_find_idev+0x102/0x170
[ 1027.103238][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1027.103238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.103238][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.103238][   T10]      netlink_unicast+0x449/0x710
[ 1027.103238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.103238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.103238][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.103238][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.103238][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.103238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.103238][   T10] 
[ 1027.105163][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1027.105407][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1027.105407][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.105407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.105407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.105407][   T10]      ip6_route_add+0x1c/0x140
[ 1027.105407][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1027.105407][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1027.105407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.105407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.105407][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.105407][   T10]      netlink_unicast+0x449/0x710
[ 1027.105407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.105407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.105407][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.105407][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.105407][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.105407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.105407][   T10] 
[ 1027.107605][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1027.107605][   T10]      netdev_get_by_index+0x5e/0x80
[ 1027.107605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1027.107605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1027.107605][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1027.107605][   T10]      ipv6_add_addr+0x411/0x2000
[ 1027.107605][   T10]      inet6_addr_add+0x30e/0xa40
[ 1027.107605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1027.107605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.107605][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.107605][   T10]      netlink_unicast+0x449/0x710
[ 1027.107605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.107605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.107605][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.107605][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.107605][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.107605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.107605][   T10] 
[ 1027.109853][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1027.109853][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1027.109853][   T10]      ipv6_find_idev+0x102/0x170
[ 1027.109853][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1027.109853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.109853][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.109853][   T10]      netlink_unicast+0x449/0x710
[ 1027.109853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.109853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.109853][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.109853][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.109853][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.109853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.109853][   T10] 
[ 1027.111592][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1027.111592][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1027.111592][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1027.111592][   T10]      ipv6_find_idev+0x102/0x170
[ 1027.111592][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1027.111592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1027.111592][   T10]      netlink_rcv_skb+0x130/0x360
[ 1027.111592][   T10]      netlink_unicast+0x449/0x710
[ 1027.111592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1027.111592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1027.111592][   T10]      ___sys_sendmsg+0xee/0x170
[ 1027.111592][   T10]      __sys_sendmsg+0xcd/0x170
[ 1027.111592][   T10]      do_syscall_64+0xc6/0x1e0
[ 1027.111592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1027.111592][   T10] 
[ 1031.099220][ T5915] br0: port 1(vx0) entered blocking state
[ 1031.099473][ T5915] br0: port 1(vx0) entered disabled state
[ 1031.099660][ T5915] vx0: entered allmulticast mode
[ 1031.100840][ T5915] vx0: entered promiscuous mode
[ 1031.103717][ T5915] br0: port 1(vx0) entered blocking state
[ 1031.103891][ T5915] br0: port 1(vx0) entered forwarding state
[ 1035.067083][ T5946] veth0: renamed from veth1
[ 1037.240665][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1037.240980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.240980][   T10]      dst_init+0x84/0x4a0
[ 1037.240980][   T10]      dst_alloc+0x97/0x150
[ 1037.240980][   T10]      ip6_dst_alloc+0x23/0x90
[ 1037.240980][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1037.240980][   T10]      ip6_pol_route+0x56f/0x840
[ 1037.240980][   T10]      fib6_rule_lookup+0x456/0x630
[ 1037.240980][   T10]      ip6_route_input+0x59c/0xa50
[ 1037.240980][   T10]      ipv6_rcv+0x397/0x810
[ 1037.240980][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1037.240980][   T10]      process_backlog+0x101/0x620
[ 1037.240980][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1037.240980][   T10]      net_rx_action+0x495/0xbe0
[ 1037.240980][   T10]      __do_softirq+0x1b5/0x7f6
[ 1037.240980][   T10] 
[ 1037.242716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.242716][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1037.242716][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1037.242716][   T10]      fib6_nh_init+0xa22/0x1580
[ 1037.242716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.242716][   T10]      ip6_route_add+0x1c/0x140
[ 1037.242716][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1037.242716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.242716][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.242716][   T10]      netlink_unicast+0x449/0x710
[ 1037.242716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.242716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.242716][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.242716][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.242716][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.242716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.242716][   T10] 
[ 1037.244647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.244647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.244647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.244647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.244647][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1037.244647][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1037.244647][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1037.244647][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1037.244647][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1037.244647][   T10]      addrconf_dad_begin+0x310/0x670
[ 1037.244647][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1037.244647][   T10]      process_one_work+0x84d/0x18a0
[ 1037.244647][   T10]      worker_thread+0x587/0xd30
[ 1037.244647][   T10]      kthread+0x28a/0x350
[ 1037.244647][   T10]      ret_from_fork+0x31/0x70
[ 1037.244647][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1037.244647][   T10] 
[ 1037.246623][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.246623][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.246623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.246623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.246623][   T10]      ip6_route_add+0x1c/0x140
[ 1037.246623][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1037.246623][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1037.246623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.246623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.246623][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.246623][   T10]      netlink_unicast+0x449/0x710
[ 1037.246623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.246623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.246623][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.246623][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.246623][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.246623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.246623][   T10] 
[ 1037.248650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.248650][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.248650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.248650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.248650][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1037.248650][   T10]      ipv6_add_addr+0x411/0x2000
[ 1037.248650][   T10]      inet6_addr_add+0x30e/0xa40
[ 1037.248650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.248650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.248650][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.248650][   T10]      netlink_unicast+0x449/0x710
[ 1037.248650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.248650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.248650][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.248650][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.248650][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.248650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.248650][   T10] 
[ 1037.250697][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.250697][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.250697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.250697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.250697][   T10]      ip6_route_add+0x1c/0x140
[ 1037.250697][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1037.250697][   T10]      addrconf_add_dev+0xe2/0x170
[ 1037.250697][   T10]      inet6_addr_add+0x12f/0xa40
[ 1037.250697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.250697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.250697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.250697][   T10]      netlink_unicast+0x449/0x710
[ 1037.250697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.250697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.250697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.250697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.250697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.250697][   T10] 
[ 1037.252706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.252706][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1037.252706][   T10]      ipv6_find_idev+0x102/0x170
[ 1037.252706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1037.252706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.252706][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.252706][   T10]      netlink_unicast+0x449/0x710
[ 1037.252706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.252706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.252706][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.252706][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.252706][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.252706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.252706][   T10] 
[ 1037.254279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1037.254279][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1037.254279][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1037.254279][   T10]      ipv6_find_idev+0x102/0x170
[ 1037.254279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1037.254279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.254279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.254279][   T10]      netlink_unicast+0x449/0x710
[ 1037.254279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.254279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.254279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.254279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.254279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.254279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.254279][   T10] 
[ 1037.256019][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1037.256266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.256266][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1037.256266][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1037.256266][   T10]      fib6_nh_init+0xa22/0x1580
[ 1037.256266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.256266][   T10]      ip6_route_add+0x1c/0x140
[ 1037.256266][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1037.256266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.256266][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.256266][   T10]      netlink_unicast+0x449/0x710
[ 1037.256266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.256266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.256266][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.256266][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.256266][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.256266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.256266][   T10] 
[ 1037.258196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.258196][   T10]      dst_init+0x84/0x4a0
[ 1037.258196][   T10]      dst_alloc+0x97/0x150
[ 1037.258196][   T10]      ip6_dst_alloc+0x23/0x90
[ 1037.258196][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1037.258196][   T10]      ip6_pol_route+0x56f/0x840
[ 1037.258196][   T10]      fib6_rule_lookup+0x456/0x630
[ 1037.258196][   T10]      ip6_route_input+0x59c/0xa50
[ 1037.258196][   T10]      ipv6_rcv+0x397/0x810
[ 1037.258196][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1037.258196][   T10]      process_backlog+0x101/0x620
[ 1037.258196][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1037.258196][   T10]      net_rx_action+0x495/0xbe0
[ 1037.258196][   T10]      __do_softirq+0x1b5/0x7f6
[ 1037.258196][   T10] 
[ 1037.259877][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.259877][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.259877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.259877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.259877][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1037.259877][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1037.259877][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1037.259877][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1037.259877][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1037.259877][   T10]      addrconf_dad_begin+0x310/0x670
[ 1037.259877][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1037.259877][   T10]      process_one_work+0x84d/0x18a0
[ 1037.259877][   T10]      worker_thread+0x587/0xd30
[ 1037.259877][   T10]      kthread+0x28a/0x350
[ 1037.259877][   T10]      ret_from_fork+0x31/0x70
[ 1037.259877][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1037.259877][   T10] 
[ 1037.262222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.262222][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.262222][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.262222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.262222][   T10]      ip6_route_add+0x1c/0x140
[ 1037.262222][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1037.262222][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1037.262222][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.262222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.262222][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.262222][   T10]      netlink_unicast+0x449/0x710
[ 1037.262222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.262222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.262222][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.262222][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.262222][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.262222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.262222][   T10] 
[ 1037.264588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.264588][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.264588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.264588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.264588][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1037.264588][   T10]      ipv6_add_addr+0x411/0x2000
[ 1037.264588][   T10]      inet6_addr_add+0x30e/0xa40
[ 1037.264588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.264588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.264588][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.264588][   T10]      netlink_unicast+0x449/0x710
[ 1037.264588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.264588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.264588][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.264588][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.264588][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.264588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.264588][   T10] 
[ 1037.266880][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.266880][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.266880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.266880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.266880][   T10]      ip6_route_add+0x1c/0x140
[ 1037.266880][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1037.266880][   T10]      addrconf_add_dev+0xe2/0x170
[ 1037.266880][   T10]      inet6_addr_add+0x12f/0xa40
[ 1037.266880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.266880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.266880][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.266880][   T10]      netlink_unicast+0x449/0x710
[ 1037.266880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.266880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.266880][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.266880][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.266880][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.266880][   T10] 
[ 1037.269164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.269164][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1037.269164][   T10]      ipv6_find_idev+0x102/0x170
[ 1037.269164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1037.269164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.269164][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.269164][   T10]      netlink_unicast+0x449/0x710
[ 1037.269164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.269164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.269164][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.269164][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.269164][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.269164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.269164][   T10] 
[ 1037.270800][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1037.270800][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1037.270800][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1037.270800][   T10]      ipv6_find_idev+0x102/0x170
[ 1037.270800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1037.270800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.270800][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.270800][   T10]      netlink_unicast+0x449/0x710
[ 1037.270800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.270800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.270800][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.270800][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.270800][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.270800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.270800][   T10] 
[ 1037.272661][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1037.272972][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1037.272972][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.272972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.272972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.272972][   T10]      ip6_route_add+0x1c/0x140
[ 1037.272972][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1037.272972][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1037.272972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.272972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.272972][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.272972][   T10]      netlink_unicast+0x449/0x710
[ 1037.272972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.272972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.272972][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.272972][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.272972][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.272972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.272972][   T10] 
[ 1037.275295][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1037.275295][   T10]      netdev_get_by_index+0x5e/0x80
[ 1037.275295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1037.275295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1037.275295][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1037.275295][   T10]      ipv6_add_addr+0x411/0x2000
[ 1037.275295][   T10]      inet6_addr_add+0x30e/0xa40
[ 1037.275295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1037.275295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.275295][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.275295][   T10]      netlink_unicast+0x449/0x710
[ 1037.275295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.275295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.275295][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.275295][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.275295][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.275295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.275295][   T10] 
[ 1037.277557][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1037.277557][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1037.277557][   T10]      ipv6_find_idev+0x102/0x170
[ 1037.277557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1037.277557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.277557][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.277557][   T10]      netlink_unicast+0x449/0x710
[ 1037.277557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.277557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.277557][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.277557][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.277557][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.277557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.277557][   T10] 
[ 1037.279289][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1037.279289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1037.279289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1037.279289][   T10]      ipv6_find_idev+0x102/0x170
[ 1037.279289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1037.279289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1037.279289][   T10]      netlink_rcv_skb+0x130/0x360
[ 1037.279289][   T10]      netlink_unicast+0x449/0x710
[ 1037.279289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1037.279289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1037.279289][   T10]      ___sys_sendmsg+0xee/0x170
[ 1037.279289][   T10]      __sys_sendmsg+0xcd/0x170
[ 1037.279289][   T10]      do_syscall_64+0xc6/0x1e0
[ 1037.279289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1037.279289][   T10] 
[ 1038.899027][ T5973] br0: port 1(vx0) entered blocking state
[ 1038.899279][ T5973] br0: port 1(vx0) entered disabled state
[ 1038.899450][ T5973] vx0: entered allmulticast mode
[ 1038.901818][ T5973] vx0: entered promiscuous mode
[ 1038.903679][ T5973] br0: port 1(vx0) entered blocking state
[ 1038.903845][ T5973] br0: port 1(vx0) entered forwarding state
[ 1044.245125][ T6003] br0: port 1(vx0) entered blocking state
[ 1044.245379][ T6003] br0: port 1(vx0) entered disabled state
[ 1044.245550][ T6003] vx0: entered allmulticast mode
[ 1044.246768][ T6003] vx0: entered promiscuous mode
[ 1044.248575][ T6003] br0: port 1(vx0) entered blocking state
[ 1044.248754][ T6003] br0: port 1(vx0) entered forwarding state
[ 1047.416700][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1047.417136][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.417136][   T10]      dst_init+0x84/0x4a0
[ 1047.417136][   T10]      dst_alloc+0x97/0x150
[ 1047.417136][   T10]      ip6_dst_alloc+0x23/0x90
[ 1047.417136][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1047.417136][   T10]      ip6_pol_route+0x56f/0x840
[ 1047.417136][   T10]      fib6_rule_lookup+0x456/0x630
[ 1047.417136][   T10]      ip6_route_input+0x59c/0xa50
[ 1047.417136][   T10]      ipv6_rcv+0x397/0x810
[ 1047.417136][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1047.417136][   T10]      process_backlog+0x101/0x620
[ 1047.417136][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1047.417136][   T10]      net_rx_action+0x495/0xbe0
[ 1047.417136][   T10]      __do_softirq+0x1b5/0x7f6
[ 1047.417136][   T10] 
[ 1047.418872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.418872][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1047.418872][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1047.418872][   T10]      fib6_nh_init+0xa22/0x1580
[ 1047.418872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.418872][   T10]      ip6_route_add+0x1c/0x140
[ 1047.418872][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1047.418872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.418872][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.418872][   T10]      netlink_unicast+0x449/0x710
[ 1047.418872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.418872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.418872][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.418872][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.418872][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.418872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.418872][   T10] 
[ 1047.420835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.420835][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.420835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.420835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.420835][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1047.420835][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1047.420835][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1047.420835][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1047.420835][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1047.420835][   T10]      addrconf_dad_begin+0x310/0x670
[ 1047.420835][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1047.420835][   T10]      process_one_work+0x84d/0x18a0
[ 1047.420835][   T10]      worker_thread+0x587/0xd30
[ 1047.420835][   T10]      kthread+0x28a/0x350
[ 1047.420835][   T10]      ret_from_fork+0x31/0x70
[ 1047.420835][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1047.420835][   T10] 
[ 1047.422785][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.422785][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.422785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.422785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.422785][   T10]      ip6_route_add+0x1c/0x140
[ 1047.422785][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1047.422785][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1047.422785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.422785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.422785][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.422785][   T10]      netlink_unicast+0x449/0x710
[ 1047.422785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.422785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.422785][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.422785][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.422785][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.422785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.422785][   T10] 
[ 1047.424834][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.424834][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.424834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.424834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.424834][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1047.424834][   T10]      ipv6_add_addr+0x411/0x2000
[ 1047.424834][   T10]      inet6_addr_add+0x30e/0xa40
[ 1047.424834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.424834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.424834][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.424834][   T10]      netlink_unicast+0x449/0x710
[ 1047.424834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.424834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.424834][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.424834][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.424834][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.424834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.424834][   T10] 
[ 1047.426870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.426870][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.426870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.426870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.426870][   T10]      ip6_route_add+0x1c/0x140
[ 1047.426870][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1047.426870][   T10]      addrconf_add_dev+0xe2/0x170
[ 1047.426870][   T10]      inet6_addr_add+0x12f/0xa40
[ 1047.426870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.426870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.426870][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.426870][   T10]      netlink_unicast+0x449/0x710
[ 1047.426870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.426870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.426870][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.426870][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.426870][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.426870][   T10] 
[ 1047.428878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.428878][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1047.428878][   T10]      ipv6_find_idev+0x102/0x170
[ 1047.428878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1047.428878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.428878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.428878][   T10]      netlink_unicast+0x449/0x710
[ 1047.428878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.428878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.428878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.428878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.428878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.428878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.428878][   T10] 
[ 1047.430455][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1047.430455][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1047.430455][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1047.430455][   T10]      ipv6_find_idev+0x102/0x170
[ 1047.430455][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1047.430455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.430455][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.430455][   T10]      netlink_unicast+0x449/0x710
[ 1047.430455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.430455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.430455][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.430455][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.430455][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.430455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.430455][   T10] 
[ 1047.432202][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1047.432454][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.432454][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1047.432454][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1047.432454][   T10]      fib6_nh_init+0xa22/0x1580
[ 1047.432454][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.432454][   T10]      ip6_route_add+0x1c/0x140
[ 1047.432454][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1047.432454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.432454][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.432454][   T10]      netlink_unicast+0x449/0x710
[ 1047.432454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.432454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.432454][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.432454][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.432454][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.432454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.432454][   T10] 
[ 1047.434384][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.434384][   T10]      dst_init+0x84/0x4a0
[ 1047.434384][   T10]      dst_alloc+0x97/0x150
[ 1047.434384][   T10]      ip6_dst_alloc+0x23/0x90
[ 1047.434384][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1047.434384][   T10]      ip6_pol_route+0x56f/0x840
[ 1047.434384][   T10]      fib6_rule_lookup+0x456/0x630
[ 1047.434384][   T10]      ip6_route_input+0x59c/0xa50
[ 1047.434384][   T10]      ipv6_rcv+0x397/0x810
[ 1047.434384][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1047.434384][   T10]      process_backlog+0x101/0x620
[ 1047.434384][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1047.434384][   T10]      net_rx_action+0x495/0xbe0
[ 1047.434384][   T10]      __do_softirq+0x1b5/0x7f6
[ 1047.434384][   T10] 
[ 1047.436056][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.436056][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.436056][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.436056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.436056][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1047.436056][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1047.436056][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1047.436056][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1047.436056][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1047.436056][   T10]      addrconf_dad_begin+0x310/0x670
[ 1047.436056][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1047.436056][   T10]      process_one_work+0x84d/0x18a0
[ 1047.436056][   T10]      worker_thread+0x587/0xd30
[ 1047.436056][   T10]      kthread+0x28a/0x350
[ 1047.436056][   T10]      ret_from_fork+0x31/0x70
[ 1047.436056][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1047.436056][   T10] 
[ 1047.438014][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.438014][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.438014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.438014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.438014][   T10]      ip6_route_add+0x1c/0x140
[ 1047.438014][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1047.438014][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1047.438014][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.438014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.438014][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.438014][   T10]      netlink_unicast+0x449/0x710
[ 1047.438014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.438014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.438014][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.438014][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.438014][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.438014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.438014][   T10] 
[ 1047.440051][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.440051][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.440051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.440051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.440051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1047.440051][   T10]      ipv6_add_addr+0x411/0x2000
[ 1047.440051][   T10]      inet6_addr_add+0x30e/0xa40
[ 1047.440051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.440051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.440051][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.440051][   T10]      netlink_unicast+0x449/0x710
[ 1047.440051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.440051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.440051][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.440051][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.440051][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.440051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.440051][   T10] 
[ 1047.442238][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.442238][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.442238][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.442238][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.442238][   T10]      ip6_route_add+0x1c/0x140
[ 1047.442238][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1047.442238][   T10]      addrconf_add_dev+0xe2/0x170
[ 1047.442238][   T10]      inet6_addr_add+0x12f/0xa40
[ 1047.442238][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.442238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.442238][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.442238][   T10]      netlink_unicast+0x449/0x710
[ 1047.442238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.442238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.442238][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.442238][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.442238][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.442238][   T10] 
[ 1047.444304][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.444304][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1047.444304][   T10]      ipv6_find_idev+0x102/0x170
[ 1047.444304][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1047.444304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.444304][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.444304][   T10]      netlink_unicast+0x449/0x710
[ 1047.444304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.444304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.444304][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.444304][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.444304][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.444304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.444304][   T10] 
[ 1047.446005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1047.446005][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1047.446005][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1047.446005][   T10]      ipv6_find_idev+0x102/0x170
[ 1047.446005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1047.446005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.446005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.446005][   T10]      netlink_unicast+0x449/0x710
[ 1047.446005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.446005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.446005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.446005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.446005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.446005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.446005][   T10] 
[ 1047.447928][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1047.448183][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1047.448183][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.448183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.448183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.448183][   T10]      ip6_route_add+0x1c/0x140
[ 1047.448183][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1047.448183][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1047.448183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.448183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.448183][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.448183][   T10]      netlink_unicast+0x449/0x710
[ 1047.448183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.448183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.448183][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.448183][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.448183][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.448183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.448183][   T10] 
[ 1047.450381][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1047.450381][   T10]      netdev_get_by_index+0x5e/0x80
[ 1047.450381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1047.450381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1047.450381][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1047.450381][   T10]      ipv6_add_addr+0x411/0x2000
[ 1047.450381][   T10]      inet6_addr_add+0x30e/0xa40
[ 1047.450381][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1047.450381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.450381][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.450381][   T10]      netlink_unicast+0x449/0x710
[ 1047.450381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.450381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.450381][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.450381][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.450381][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.450381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.450381][   T10] 
[ 1047.452563][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1047.452563][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1047.452563][   T10]      ipv6_find_idev+0x102/0x170
[ 1047.452563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1047.452563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.452563][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.452563][   T10]      netlink_unicast+0x449/0x710
[ 1047.452563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.452563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.452563][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.452563][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.452563][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.452563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.452563][   T10] 
[ 1047.454197][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1047.454197][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1047.454197][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1047.454197][   T10]      ipv6_find_idev+0x102/0x170
[ 1047.454197][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1047.454197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1047.454197][   T10]      netlink_rcv_skb+0x130/0x360
[ 1047.454197][   T10]      netlink_unicast+0x449/0x710
[ 1047.454197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1047.454197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1047.454197][   T10]      ___sys_sendmsg+0xee/0x170
[ 1047.454197][   T10]      __sys_sendmsg+0xcd/0x170
[ 1047.454197][   T10]      do_syscall_64+0xc6/0x1e0
[ 1047.454197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1047.454197][   T10] 
[ 1057.561605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1057.562011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.562011][   T10]      dst_init+0x84/0x4a0
[ 1057.562011][   T10]      dst_alloc+0x97/0x150
[ 1057.562011][   T10]      ip6_dst_alloc+0x23/0x90
[ 1057.562011][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1057.562011][   T10]      ip6_pol_route+0x56f/0x840
[ 1057.562011][   T10]      fib6_rule_lookup+0x456/0x630
[ 1057.562011][   T10]      ip6_route_input+0x59c/0xa50
[ 1057.562011][   T10]      ipv6_rcv+0x397/0x810
[ 1057.562011][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1057.562011][   T10]      process_backlog+0x101/0x620
[ 1057.562011][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1057.562011][   T10]      net_rx_action+0x495/0xbe0
[ 1057.562011][   T10]      __do_softirq+0x1b5/0x7f6
[ 1057.562011][   T10] 
[ 1057.563731][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.563731][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1057.563731][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1057.563731][   T10]      fib6_nh_init+0xa22/0x1580
[ 1057.563731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.563731][   T10]      ip6_route_add+0x1c/0x140
[ 1057.563731][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1057.563731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.563731][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.563731][   T10]      netlink_unicast+0x449/0x710
[ 1057.563731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.563731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.563731][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.563731][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.563731][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.563731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.563731][   T10] 
[ 1057.565644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.565644][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.565644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.565644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.565644][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1057.565644][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1057.565644][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1057.565644][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1057.565644][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1057.565644][   T10]      addrconf_dad_begin+0x310/0x670
[ 1057.565644][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1057.565644][   T10]      process_one_work+0x84d/0x18a0
[ 1057.565644][   T10]      worker_thread+0x587/0xd30
[ 1057.565644][   T10]      kthread+0x28a/0x350
[ 1057.565644][   T10]      ret_from_fork+0x31/0x70
[ 1057.565644][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1057.565644][   T10] 
[ 1057.567593][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.567593][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.567593][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.567593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.567593][   T10]      ip6_route_add+0x1c/0x140
[ 1057.567593][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1057.567593][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1057.567593][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.567593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.567593][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.567593][   T10]      netlink_unicast+0x449/0x710
[ 1057.567593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.567593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.567593][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.567593][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.567593][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.567593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.567593][   T10] 
[ 1057.569601][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.569601][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.569601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.569601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.569601][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1057.569601][   T10]      ipv6_add_addr+0x411/0x2000
[ 1057.569601][   T10]      inet6_addr_add+0x30e/0xa40
[ 1057.569601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.569601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.569601][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.569601][   T10]      netlink_unicast+0x449/0x710
[ 1057.569601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.569601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.569601][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.569601][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.569601][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.569601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.569601][   T10] 
[ 1057.571621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.571621][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.571621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.571621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.571621][   T10]      ip6_route_add+0x1c/0x140
[ 1057.571621][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1057.571621][   T10]      addrconf_add_dev+0xe2/0x170
[ 1057.571621][   T10]      inet6_addr_add+0x12f/0xa40
[ 1057.571621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.571621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.571621][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.571621][   T10]      netlink_unicast+0x449/0x710
[ 1057.571621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.571621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.571621][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.571621][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.571621][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.571621][   T10] 
[ 1057.573594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.573594][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1057.573594][   T10]      ipv6_find_idev+0x102/0x170
[ 1057.573594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1057.573594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.573594][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.573594][   T10]      netlink_unicast+0x449/0x710
[ 1057.573594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.573594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.573594][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.573594][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.573594][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.573594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.573594][   T10] 
[ 1057.575146][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1057.575146][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1057.575146][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1057.575146][   T10]      ipv6_find_idev+0x102/0x170
[ 1057.575146][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1057.575146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.575146][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.575146][   T10]      netlink_unicast+0x449/0x710
[ 1057.575146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.575146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.575146][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.575146][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.575146][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.575146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.575146][   T10] 
[ 1057.576874][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1057.577126][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.577126][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1057.577126][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1057.577126][   T10]      fib6_nh_init+0xa22/0x1580
[ 1057.577126][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.577126][   T10]      ip6_route_add+0x1c/0x140
[ 1057.577126][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1057.577126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.577126][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.577126][   T10]      netlink_unicast+0x449/0x710
[ 1057.577126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.577126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.577126][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.577126][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.577126][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.577126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.577126][   T10] 
[ 1057.579014][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.579014][   T10]      dst_init+0x84/0x4a0
[ 1057.579014][   T10]      dst_alloc+0x97/0x150
[ 1057.579014][   T10]      ip6_dst_alloc+0x23/0x90
[ 1057.579014][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1057.579014][   T10]      ip6_pol_route+0x56f/0x840
[ 1057.579014][   T10]      fib6_rule_lookup+0x456/0x630
[ 1057.579014][   T10]      ip6_route_input+0x59c/0xa50
[ 1057.579014][   T10]      ipv6_rcv+0x397/0x810
[ 1057.579014][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1057.579014][   T10]      process_backlog+0x101/0x620
[ 1057.579014][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1057.579014][   T10]      net_rx_action+0x495/0xbe0
[ 1057.579014][   T10]      __do_softirq+0x1b5/0x7f6
[ 1057.579014][   T10] 
[ 1057.580676][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.580676][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.580676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.580676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.580676][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1057.580676][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1057.580676][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1057.580676][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1057.580676][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1057.580676][   T10]      addrconf_dad_begin+0x310/0x670
[ 1057.580676][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1057.580676][   T10]      process_one_work+0x84d/0x18a0
[ 1057.580676][   T10]      worker_thread+0x587/0xd30
[ 1057.580676][   T10]      kthread+0x28a/0x350
[ 1057.580676][   T10]      ret_from_fork+0x31/0x70
[ 1057.580676][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1057.580676][   T10] 
[ 1057.582596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.582596][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.582596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.582596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.582596][   T10]      ip6_route_add+0x1c/0x140
[ 1057.582596][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1057.582596][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1057.582596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.582596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.582596][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.582596][   T10]      netlink_unicast+0x449/0x710
[ 1057.582596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.582596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.582596][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.582596][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.582596][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.582596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.582596][   T10] 
[ 1057.584637][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.584637][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.584637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.584637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.584637][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1057.584637][   T10]      ipv6_add_addr+0x411/0x2000
[ 1057.584637][   T10]      inet6_addr_add+0x30e/0xa40
[ 1057.584637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.584637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.584637][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.584637][   T10]      netlink_unicast+0x449/0x710
[ 1057.584637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.584637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.584637][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.584637][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.584637][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.584637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.584637][   T10] 
[ 1057.586643][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.586643][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.586643][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.586643][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.586643][   T10]      ip6_route_add+0x1c/0x140
[ 1057.586643][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1057.586643][   T10]      addrconf_add_dev+0xe2/0x170
[ 1057.586643][   T10]      inet6_addr_add+0x12f/0xa40
[ 1057.586643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.586643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.586643][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.586643][   T10]      netlink_unicast+0x449/0x710
[ 1057.586643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.586643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.586643][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.586643][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.586643][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.586643][   T10] 
[ 1057.588881][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.588881][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1057.588881][   T10]      ipv6_find_idev+0x102/0x170
[ 1057.588881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1057.588881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.588881][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.588881][   T10]      netlink_unicast+0x449/0x710
[ 1057.588881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.588881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.588881][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.588881][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.588881][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.588881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.588881][   T10] 
[ 1057.590633][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1057.590633][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1057.590633][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1057.590633][   T10]      ipv6_find_idev+0x102/0x170
[ 1057.590633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1057.590633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.590633][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.590633][   T10]      netlink_unicast+0x449/0x710
[ 1057.590633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.590633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.590633][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.590633][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.590633][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.590633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.590633][   T10] 
[ 1057.592483][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1057.592762][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1057.592762][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.592762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.592762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.592762][   T10]      ip6_route_add+0x1c/0x140
[ 1057.592762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1057.592762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1057.592762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.592762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.592762][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.592762][   T10]      netlink_unicast+0x449/0x710
[ 1057.592762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.592762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.592762][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.592762][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.592762][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.592762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.592762][   T10] 
[ 1057.594960][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1057.594960][   T10]      netdev_get_by_index+0x5e/0x80
[ 1057.594960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1057.594960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1057.594960][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1057.594960][   T10]      ipv6_add_addr+0x411/0x2000
[ 1057.594960][   T10]      inet6_addr_add+0x30e/0xa40
[ 1057.594960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1057.594960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.594960][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.594960][   T10]      netlink_unicast+0x449/0x710
[ 1057.594960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.594960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.594960][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.594960][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.594960][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.594960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.594960][   T10] 
[ 1057.597201][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1057.597201][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1057.597201][   T10]      ipv6_find_idev+0x102/0x170
[ 1057.597201][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1057.597201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.597201][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.597201][   T10]      netlink_unicast+0x449/0x710
[ 1057.597201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.597201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.597201][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.597201][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.597201][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.597201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.597201][   T10] 
[ 1057.598945][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1057.598945][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1057.598945][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1057.598945][   T10]      ipv6_find_idev+0x102/0x170
[ 1057.598945][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1057.598945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1057.598945][   T10]      netlink_rcv_skb+0x130/0x360
[ 1057.598945][   T10]      netlink_unicast+0x449/0x710
[ 1057.598945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1057.598945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1057.598945][   T10]      ___sys_sendmsg+0xee/0x170
[ 1057.598945][   T10]      __sys_sendmsg+0xcd/0x170
[ 1057.598945][   T10]      do_syscall_64+0xc6/0x1e0
[ 1057.598945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1057.598945][   T10] 
[ 1067.737696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1067.738102][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.738102][   T10]      dst_init+0x84/0x4a0
[ 1067.738102][   T10]      dst_alloc+0x97/0x150
[ 1067.738102][   T10]      ip6_dst_alloc+0x23/0x90
[ 1067.738102][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1067.738102][   T10]      ip6_pol_route+0x56f/0x840
[ 1067.738102][   T10]      fib6_rule_lookup+0x456/0x630
[ 1067.738102][   T10]      ip6_route_input+0x59c/0xa50
[ 1067.738102][   T10]      ipv6_rcv+0x397/0x810
[ 1067.738102][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1067.738102][   T10]      process_backlog+0x101/0x620
[ 1067.738102][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1067.738102][   T10]      net_rx_action+0x495/0xbe0
[ 1067.738102][   T10]      __do_softirq+0x1b5/0x7f6
[ 1067.738102][   T10] 
[ 1067.739805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.739805][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1067.739805][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1067.739805][   T10]      fib6_nh_init+0xa22/0x1580
[ 1067.739805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.739805][   T10]      ip6_route_add+0x1c/0x140
[ 1067.739805][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1067.739805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.739805][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.739805][   T10]      netlink_unicast+0x449/0x710
[ 1067.739805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.739805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.739805][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.739805][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.739805][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.739805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.739805][   T10] 
[ 1067.741809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.741809][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.741809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.741809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.741809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1067.741809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1067.741809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1067.741809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1067.741809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1067.741809][   T10]      addrconf_dad_begin+0x310/0x670
[ 1067.741809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1067.741809][   T10]      process_one_work+0x84d/0x18a0
[ 1067.741809][   T10]      worker_thread+0x587/0xd30
[ 1067.741809][   T10]      kthread+0x28a/0x350
[ 1067.741809][   T10]      ret_from_fork+0x31/0x70
[ 1067.741809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1067.741809][   T10] 
[ 1067.743805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.743805][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.743805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.743805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.743805][   T10]      ip6_route_add+0x1c/0x140
[ 1067.743805][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1067.743805][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1067.743805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.743805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.743805][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.743805][   T10]      netlink_unicast+0x449/0x710
[ 1067.743805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.743805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.743805][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.743805][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.743805][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.743805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.743805][   T10] 
[ 1067.745861][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.745861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.745861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.745861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.745861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1067.745861][   T10]      ipv6_add_addr+0x411/0x2000
[ 1067.745861][   T10]      inet6_addr_add+0x30e/0xa40
[ 1067.745861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.745861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.745861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.745861][   T10]      netlink_unicast+0x449/0x710
[ 1067.745861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.745861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.745861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.745861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.745861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.745861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.745861][   T10] 
[ 1067.747880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.747880][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.747880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.747880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.747880][   T10]      ip6_route_add+0x1c/0x140
[ 1067.747880][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1067.747880][   T10]      addrconf_add_dev+0xe2/0x170
[ 1067.747880][   T10]      inet6_addr_add+0x12f/0xa40
[ 1067.747880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.747880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.747880][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.747880][   T10]      netlink_unicast+0x449/0x710
[ 1067.747880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.747880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.747880][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.747880][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.747880][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.747880][   T10] 
[ 1067.749841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.749841][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1067.749841][   T10]      ipv6_find_idev+0x102/0x170
[ 1067.749841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1067.749841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.749841][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.749841][   T10]      netlink_unicast+0x449/0x710
[ 1067.749841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.749841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.749841][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.749841][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.749841][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.749841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.749841][   T10] 
[ 1067.751406][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1067.751406][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1067.751406][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1067.751406][   T10]      ipv6_find_idev+0x102/0x170
[ 1067.751406][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1067.751406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.751406][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.751406][   T10]      netlink_unicast+0x449/0x710
[ 1067.751406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.751406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.751406][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.751406][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.751406][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.751406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.751406][   T10] 
[ 1067.753091][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1067.753339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.753339][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1067.753339][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1067.753339][   T10]      fib6_nh_init+0xa22/0x1580
[ 1067.753339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.753339][   T10]      ip6_route_add+0x1c/0x140
[ 1067.753339][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1067.753339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.753339][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.753339][   T10]      netlink_unicast+0x449/0x710
[ 1067.753339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.753339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.753339][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.753339][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.753339][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.753339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.753339][   T10] 
[ 1067.755256][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.755256][   T10]      dst_init+0x84/0x4a0
[ 1067.755256][   T10]      dst_alloc+0x97/0x150
[ 1067.755256][   T10]      ip6_dst_alloc+0x23/0x90
[ 1067.755256][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1067.755256][   T10]      ip6_pol_route+0x56f/0x840
[ 1067.755256][   T10]      fib6_rule_lookup+0x456/0x630
[ 1067.755256][   T10]      ip6_route_input+0x59c/0xa50
[ 1067.755256][   T10]      ipv6_rcv+0x397/0x810
[ 1067.755256][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1067.755256][   T10]      process_backlog+0x101/0x620
[ 1067.755256][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1067.755256][   T10]      net_rx_action+0x495/0xbe0
[ 1067.755256][   T10]      __do_softirq+0x1b5/0x7f6
[ 1067.755256][   T10] 
[ 1067.756928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.756928][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.756928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.756928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.756928][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1067.756928][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1067.756928][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1067.756928][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1067.756928][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1067.756928][   T10]      addrconf_dad_begin+0x310/0x670
[ 1067.756928][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1067.756928][   T10]      process_one_work+0x84d/0x18a0
[ 1067.756928][   T10]      worker_thread+0x587/0xd30
[ 1067.756928][   T10]      kthread+0x28a/0x350
[ 1067.756928][   T10]      ret_from_fork+0x31/0x70
[ 1067.756928][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1067.756928][   T10] 
[ 1067.758938][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.758938][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.758938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.758938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.758938][   T10]      ip6_route_add+0x1c/0x140
[ 1067.758938][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1067.758938][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1067.758938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.758938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.758938][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.758938][   T10]      netlink_unicast+0x449/0x710
[ 1067.758938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.758938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.758938][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.758938][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.758938][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.758938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.758938][   T10] 
[ 1067.761222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.761222][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.761222][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.761222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.761222][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1067.761222][   T10]      ipv6_add_addr+0x411/0x2000
[ 1067.761222][   T10]      inet6_addr_add+0x30e/0xa40
[ 1067.761222][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.761222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.761222][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.761222][   T10]      netlink_unicast+0x449/0x710
[ 1067.761222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.761222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.761222][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.761222][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.761222][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.761222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.761222][   T10] 
[ 1067.763424][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.763424][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.763424][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.763424][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.763424][   T10]      ip6_route_add+0x1c/0x140
[ 1067.763424][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1067.763424][   T10]      addrconf_add_dev+0xe2/0x170
[ 1067.763424][   T10]      inet6_addr_add+0x12f/0xa40
[ 1067.763424][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.763424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.763424][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.763424][   T10]      netlink_unicast+0x449/0x710
[ 1067.763424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.763424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.763424][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.763424][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.763424][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.763424][   T10] 
[ 1067.765590][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.765590][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1067.765590][   T10]      ipv6_find_idev+0x102/0x170
[ 1067.765590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1067.765590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.765590][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.765590][   T10]      netlink_unicast+0x449/0x710
[ 1067.765590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.765590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.765590][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.765590][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.765590][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.765590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.765590][   T10] 
[ 1067.767196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1067.767196][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1067.767196][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1067.767196][   T10]      ipv6_find_idev+0x102/0x170
[ 1067.767196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1067.767196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.767196][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.767196][   T10]      netlink_unicast+0x449/0x710
[ 1067.767196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.767196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.767196][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.767196][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.767196][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.767196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.767196][   T10] 
[ 1067.769165][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1067.769411][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1067.769411][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.769411][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.769411][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.769411][   T10]      ip6_route_add+0x1c/0x140
[ 1067.769411][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1067.769411][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1067.769411][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.769411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.769411][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.769411][   T10]      netlink_unicast+0x449/0x710
[ 1067.769411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.769411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.769411][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.769411][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.769411][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.769411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.769411][   T10] 
[ 1067.771643][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1067.771643][   T10]      netdev_get_by_index+0x5e/0x80
[ 1067.771643][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1067.771643][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1067.771643][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1067.771643][   T10]      ipv6_add_addr+0x411/0x2000
[ 1067.771643][   T10]      inet6_addr_add+0x30e/0xa40
[ 1067.771643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1067.771643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.771643][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.771643][   T10]      netlink_unicast+0x449/0x710
[ 1067.771643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.771643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.771643][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.771643][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.771643][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.771643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.771643][   T10] 
[ 1067.773879][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1067.773879][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1067.773879][   T10]      ipv6_find_idev+0x102/0x170
[ 1067.773879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1067.773879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.773879][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.773879][   T10]      netlink_unicast+0x449/0x710
[ 1067.773879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.773879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.773879][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.773879][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.773879][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.773879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.773879][   T10] 
[ 1067.775611][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1067.775611][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1067.775611][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1067.775611][   T10]      ipv6_find_idev+0x102/0x170
[ 1067.775611][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1067.775611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1067.775611][   T10]      netlink_rcv_skb+0x130/0x360
[ 1067.775611][   T10]      netlink_unicast+0x449/0x710
[ 1067.775611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1067.775611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1067.775611][   T10]      ___sys_sendmsg+0xee/0x170
[ 1067.775611][   T10]      __sys_sendmsg+0xcd/0x170
[ 1067.775611][   T10]      do_syscall_64+0xc6/0x1e0
[ 1067.775611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1067.775611][   T10] 
[ 1077.920653][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1077.921075][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.921075][   T10]      dst_init+0x84/0x4a0
[ 1077.921075][   T10]      dst_alloc+0x97/0x150
[ 1077.921075][   T10]      ip6_dst_alloc+0x23/0x90
[ 1077.921075][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1077.921075][   T10]      ip6_pol_route+0x56f/0x840
[ 1077.921075][   T10]      fib6_rule_lookup+0x456/0x630
[ 1077.921075][   T10]      ip6_route_input+0x59c/0xa50
[ 1077.921075][   T10]      ipv6_rcv+0x397/0x810
[ 1077.921075][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1077.921075][   T10]      process_backlog+0x101/0x620
[ 1077.921075][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1077.921075][   T10]      net_rx_action+0x495/0xbe0
[ 1077.921075][   T10]      __do_softirq+0x1b5/0x7f6
[ 1077.921075][   T10] 
[ 1077.922794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.922794][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1077.922794][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1077.922794][   T10]      fib6_nh_init+0xa22/0x1580
[ 1077.922794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.922794][   T10]      ip6_route_add+0x1c/0x140
[ 1077.922794][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1077.922794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.922794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.922794][   T10]      netlink_unicast+0x449/0x710
[ 1077.922794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.922794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.922794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.922794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.922794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.922794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.922794][   T10] 
[ 1077.924711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.924711][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.924711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.924711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.924711][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1077.924711][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1077.924711][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1077.924711][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1077.924711][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1077.924711][   T10]      addrconf_dad_begin+0x310/0x670
[ 1077.924711][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1077.924711][   T10]      process_one_work+0x84d/0x18a0
[ 1077.924711][   T10]      worker_thread+0x587/0xd30
[ 1077.924711][   T10]      kthread+0x28a/0x350
[ 1077.924711][   T10]      ret_from_fork+0x31/0x70
[ 1077.924711][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1077.924711][   T10] 
[ 1077.926671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.926671][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.926671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.926671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.926671][   T10]      ip6_route_add+0x1c/0x140
[ 1077.926671][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1077.926671][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1077.926671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.926671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.926671][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.926671][   T10]      netlink_unicast+0x449/0x710
[ 1077.926671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.926671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.926671][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.926671][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.926671][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.926671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.926671][   T10] 
[ 1077.928721][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.928721][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.928721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.928721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.928721][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1077.928721][   T10]      ipv6_add_addr+0x411/0x2000
[ 1077.928721][   T10]      inet6_addr_add+0x30e/0xa40
[ 1077.928721][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.928721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.928721][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.928721][   T10]      netlink_unicast+0x449/0x710
[ 1077.928721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.928721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.928721][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.928721][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.928721][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.928721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.928721][   T10] 
[ 1077.930793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.930793][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.930793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.930793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.930793][   T10]      ip6_route_add+0x1c/0x140
[ 1077.930793][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1077.930793][   T10]      addrconf_add_dev+0xe2/0x170
[ 1077.930793][   T10]      inet6_addr_add+0x12f/0xa40
[ 1077.930793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.930793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.930793][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.930793][   T10]      netlink_unicast+0x449/0x710
[ 1077.930793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.930793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.930793][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.930793][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.930793][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.930793][   T10] 
[ 1077.932879][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.932879][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1077.932879][   T10]      ipv6_find_idev+0x102/0x170
[ 1077.932879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1077.932879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.932879][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.932879][   T10]      netlink_unicast+0x449/0x710
[ 1077.932879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.932879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.932879][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.932879][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.932879][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.932879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.932879][   T10] 
[ 1077.934489][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1077.934489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1077.934489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1077.934489][   T10]      ipv6_find_idev+0x102/0x170
[ 1077.934489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1077.934489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.934489][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.934489][   T10]      netlink_unicast+0x449/0x710
[ 1077.934489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.934489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.934489][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.934489][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.934489][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.934489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.934489][   T10] 
[ 1077.936199][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1077.936451][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.936451][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1077.936451][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1077.936451][   T10]      fib6_nh_init+0xa22/0x1580
[ 1077.936451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.936451][   T10]      ip6_route_add+0x1c/0x140
[ 1077.936451][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1077.936451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.936451][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.936451][   T10]      netlink_unicast+0x449/0x710
[ 1077.936451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.936451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.936451][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.936451][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.936451][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.936451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.936451][   T10] 
[ 1077.938373][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.938373][   T10]      dst_init+0x84/0x4a0
[ 1077.938373][   T10]      dst_alloc+0x97/0x150
[ 1077.938373][   T10]      ip6_dst_alloc+0x23/0x90
[ 1077.938373][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1077.938373][   T10]      ip6_pol_route+0x56f/0x840
[ 1077.938373][   T10]      fib6_rule_lookup+0x456/0x630
[ 1077.938373][   T10]      ip6_route_input+0x59c/0xa50
[ 1077.938373][   T10]      ipv6_rcv+0x397/0x810
[ 1077.938373][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1077.938373][   T10]      process_backlog+0x101/0x620
[ 1077.938373][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1077.938373][   T10]      net_rx_action+0x495/0xbe0
[ 1077.938373][   T10]      __do_softirq+0x1b5/0x7f6
[ 1077.938373][   T10] 
[ 1077.940063][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.940063][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.940063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.940063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.940063][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1077.940063][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1077.940063][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1077.940063][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1077.940063][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1077.940063][   T10]      addrconf_dad_begin+0x310/0x670
[ 1077.940063][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1077.940063][   T10]      process_one_work+0x84d/0x18a0
[ 1077.940063][   T10]      worker_thread+0x587/0xd30
[ 1077.940063][   T10]      kthread+0x28a/0x350
[ 1077.940063][   T10]      ret_from_fork+0x31/0x70
[ 1077.940063][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1077.940063][   T10] 
[ 1077.942025][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.942025][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.942025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.942025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.942025][   T10]      ip6_route_add+0x1c/0x140
[ 1077.942025][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1077.942025][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1077.942025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.942025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.942025][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.942025][   T10]      netlink_unicast+0x449/0x710
[ 1077.942025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.942025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.942025][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.942025][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.942025][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.942025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.942025][   T10] 
[ 1077.944069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.944069][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.944069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.944069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.944069][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1077.944069][   T10]      ipv6_add_addr+0x411/0x2000
[ 1077.944069][   T10]      inet6_addr_add+0x30e/0xa40
[ 1077.944069][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.944069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.944069][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.944069][   T10]      netlink_unicast+0x449/0x710
[ 1077.944069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.944069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.944069][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.944069][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.944069][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.944069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.944069][   T10] 
[ 1077.946315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.946315][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.946315][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.946315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.946315][   T10]      ip6_route_add+0x1c/0x140
[ 1077.946315][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1077.946315][   T10]      addrconf_add_dev+0xe2/0x170
[ 1077.946315][   T10]      inet6_addr_add+0x12f/0xa40
[ 1077.946315][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.946315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.946315][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.946315][   T10]      netlink_unicast+0x449/0x710
[ 1077.946315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.946315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.946315][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.946315][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.946315][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.946315][   T10] 
[ 1077.948570][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.948570][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1077.948570][   T10]      ipv6_find_idev+0x102/0x170
[ 1077.948570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1077.948570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.948570][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.948570][   T10]      netlink_unicast+0x449/0x710
[ 1077.948570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.948570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.948570][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.948570][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.948570][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.948570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.948570][   T10] 
[ 1077.950355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1077.950355][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1077.950355][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1077.950355][   T10]      ipv6_find_idev+0x102/0x170
[ 1077.950355][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1077.950355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.950355][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.950355][   T10]      netlink_unicast+0x449/0x710
[ 1077.950355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.950355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.950355][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.950355][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.950355][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.950355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.950355][   T10] 
[ 1077.952385][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1077.952635][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1077.952635][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.952635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.952635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.952635][   T10]      ip6_route_add+0x1c/0x140
[ 1077.952635][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1077.952635][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1077.952635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.952635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.952635][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.952635][   T10]      netlink_unicast+0x449/0x710
[ 1077.952635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.952635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.952635][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.952635][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.952635][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.952635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.952635][   T10] 
[ 1077.954851][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1077.954851][   T10]      netdev_get_by_index+0x5e/0x80
[ 1077.954851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1077.954851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1077.954851][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1077.954851][   T10]      ipv6_add_addr+0x411/0x2000
[ 1077.954851][   T10]      inet6_addr_add+0x30e/0xa40
[ 1077.954851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1077.954851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.954851][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.954851][   T10]      netlink_unicast+0x449/0x710
[ 1077.954851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.954851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.954851][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.954851][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.954851][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.954851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.954851][   T10] 
[ 1077.957079][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1077.957079][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1077.957079][   T10]      ipv6_find_idev+0x102/0x170
[ 1077.957079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1077.957079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.957079][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.957079][   T10]      netlink_unicast+0x449/0x710
[ 1077.957079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.957079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.957079][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.957079][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.957079][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.957079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.957079][   T10] 
[ 1077.958788][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1077.958788][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1077.958788][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1077.958788][   T10]      ipv6_find_idev+0x102/0x170
[ 1077.958788][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1077.958788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1077.958788][   T10]      netlink_rcv_skb+0x130/0x360
[ 1077.958788][   T10]      netlink_unicast+0x449/0x710
[ 1077.958788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1077.958788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1077.958788][   T10]      ___sys_sendmsg+0xee/0x170
[ 1077.958788][   T10]      __sys_sendmsg+0xcd/0x170
[ 1077.958788][   T10]      do_syscall_64+0xc6/0x1e0
[ 1077.958788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1077.958788][   T10] 
[ 1085.764241][ T6321] veth0: renamed from veth1
[ 1088.104794][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1088.105105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.105105][   T10]      dst_init+0x84/0x4a0
[ 1088.105105][   T10]      dst_alloc+0x97/0x150
[ 1088.105105][   T10]      ip6_dst_alloc+0x23/0x90
[ 1088.105105][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1088.105105][   T10]      ip6_pol_route+0x56f/0x840
[ 1088.105105][   T10]      fib6_rule_lookup+0x456/0x630
[ 1088.105105][   T10]      ip6_route_input+0x59c/0xa50
[ 1088.105105][   T10]      ipv6_rcv+0x397/0x810
[ 1088.105105][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1088.105105][   T10]      process_backlog+0x101/0x620
[ 1088.105105][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1088.105105][   T10]      net_rx_action+0x495/0xbe0
[ 1088.105105][   T10]      __do_softirq+0x1b5/0x7f6
[ 1088.105105][   T10] 
[ 1088.106795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.106795][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1088.106795][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1088.106795][   T10]      fib6_nh_init+0xa22/0x1580
[ 1088.106795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.106795][   T10]      ip6_route_add+0x1c/0x140
[ 1088.106795][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1088.106795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.106795][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.106795][   T10]      netlink_unicast+0x449/0x710
[ 1088.106795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.106795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.106795][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.106795][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.106795][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.106795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.106795][   T10] 
[ 1088.108744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.108744][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.108744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.108744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.108744][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1088.108744][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1088.108744][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1088.108744][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1088.108744][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1088.108744][   T10]      addrconf_dad_begin+0x310/0x670
[ 1088.108744][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1088.108744][   T10]      process_one_work+0x84d/0x18a0
[ 1088.108744][   T10]      worker_thread+0x587/0xd30
[ 1088.108744][   T10]      kthread+0x28a/0x350
[ 1088.108744][   T10]      ret_from_fork+0x31/0x70
[ 1088.108744][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1088.108744][   T10] 
[ 1088.110734][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.110734][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.110734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.110734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.110734][   T10]      ip6_route_add+0x1c/0x140
[ 1088.110734][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1088.110734][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1088.110734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.110734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.110734][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.110734][   T10]      netlink_unicast+0x449/0x710
[ 1088.110734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.110734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.110734][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.110734][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.110734][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.110734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.110734][   T10] 
[ 1088.112784][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.112784][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.112784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.112784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.112784][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1088.112784][   T10]      ipv6_add_addr+0x411/0x2000
[ 1088.112784][   T10]      inet6_addr_add+0x30e/0xa40
[ 1088.112784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.112784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.112784][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.112784][   T10]      netlink_unicast+0x449/0x710
[ 1088.112784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.112784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.112784][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.112784][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.112784][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.112784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.112784][   T10] 
[ 1088.114827][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.114827][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.114827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.114827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.114827][   T10]      ip6_route_add+0x1c/0x140
[ 1088.114827][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1088.114827][   T10]      addrconf_add_dev+0xe2/0x170
[ 1088.114827][   T10]      inet6_addr_add+0x12f/0xa40
[ 1088.114827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.114827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.114827][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.114827][   T10]      netlink_unicast+0x449/0x710
[ 1088.114827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.114827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.114827][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.114827][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.114827][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.114827][   T10] 
[ 1088.116846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.116846][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1088.116846][   T10]      ipv6_find_idev+0x102/0x170
[ 1088.116846][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1088.116846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.116846][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.116846][   T10]      netlink_unicast+0x449/0x710
[ 1088.116846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.116846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.116846][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.116846][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.116846][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.116846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.116846][   T10] 
[ 1088.118400][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1088.118400][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1088.118400][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1088.118400][   T10]      ipv6_find_idev+0x102/0x170
[ 1088.118400][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1088.118400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.118400][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.118400][   T10]      netlink_unicast+0x449/0x710
[ 1088.118400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.118400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.118400][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.118400][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.118400][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.118400][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.118400][   T10] 
[ 1088.120762][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1088.121015][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.121015][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1088.121015][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1088.121015][   T10]      fib6_nh_init+0xa22/0x1580
[ 1088.121015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.121015][   T10]      ip6_route_add+0x1c/0x140
[ 1088.121015][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1088.121015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.121015][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.121015][   T10]      netlink_unicast+0x449/0x710
[ 1088.121015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.121015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.121015][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.121015][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.121015][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.121015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.121015][   T10] 
[ 1088.122947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.122947][   T10]      dst_init+0x84/0x4a0
[ 1088.122947][   T10]      dst_alloc+0x97/0x150
[ 1088.122947][   T10]      ip6_dst_alloc+0x23/0x90
[ 1088.122947][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1088.122947][   T10]      ip6_pol_route+0x56f/0x840
[ 1088.122947][   T10]      fib6_rule_lookup+0x456/0x630
[ 1088.122947][   T10]      ip6_route_input+0x59c/0xa50
[ 1088.122947][   T10]      ipv6_rcv+0x397/0x810
[ 1088.122947][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1088.122947][   T10]      process_backlog+0x101/0x620
[ 1088.122947][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1088.122947][   T10]      net_rx_action+0x495/0xbe0
[ 1088.122947][   T10]      __do_softirq+0x1b5/0x7f6
[ 1088.122947][   T10] 
[ 1088.124696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.124696][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.124696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.124696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.124696][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1088.124696][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1088.124696][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1088.124696][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1088.124696][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1088.124696][   T10]      addrconf_dad_begin+0x310/0x670
[ 1088.124696][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1088.124696][   T10]      process_one_work+0x84d/0x18a0
[ 1088.124696][   T10]      worker_thread+0x587/0xd30
[ 1088.124696][   T10]      kthread+0x28a/0x350
[ 1088.124696][   T10]      ret_from_fork+0x31/0x70
[ 1088.124696][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1088.124696][   T10] 
[ 1088.126894][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.126894][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.126894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.126894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.126894][   T10]      ip6_route_add+0x1c/0x140
[ 1088.126894][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1088.126894][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1088.126894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.126894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.126894][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.126894][   T10]      netlink_unicast+0x449/0x710
[ 1088.126894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.126894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.126894][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.126894][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.126894][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.126894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.126894][   T10] 
[ 1088.129143][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.129143][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.129143][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.129143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.129143][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1088.129143][   T10]      ipv6_add_addr+0x411/0x2000
[ 1088.129143][   T10]      inet6_addr_add+0x30e/0xa40
[ 1088.129143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.129143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.129143][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.129143][   T10]      netlink_unicast+0x449/0x710
[ 1088.129143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.129143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.129143][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.129143][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.129143][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.129143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.129143][   T10] 
[ 1088.131412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.131412][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.131412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.131412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.131412][   T10]      ip6_route_add+0x1c/0x140
[ 1088.131412][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1088.131412][   T10]      addrconf_add_dev+0xe2/0x170
[ 1088.131412][   T10]      inet6_addr_add+0x12f/0xa40
[ 1088.131412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.131412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.131412][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.131412][   T10]      netlink_unicast+0x449/0x710
[ 1088.131412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.131412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.131412][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.131412][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.131412][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.131412][   T10] 
[ 1088.133588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.133588][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1088.133588][   T10]      ipv6_find_idev+0x102/0x170
[ 1088.133588][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1088.133588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.133588][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.133588][   T10]      netlink_unicast+0x449/0x710
[ 1088.133588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.133588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.133588][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.133588][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.133588][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.133588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.133588][   T10] 
[ 1088.135339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1088.135339][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1088.135339][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1088.135339][   T10]      ipv6_find_idev+0x102/0x170
[ 1088.135339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1088.135339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.135339][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.135339][   T10]      netlink_unicast+0x449/0x710
[ 1088.135339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.135339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.135339][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.135339][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.135339][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.135339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.135339][   T10] 
[ 1088.137283][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1088.137531][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1088.137531][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.137531][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.137531][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.137531][   T10]      ip6_route_add+0x1c/0x140
[ 1088.137531][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1088.137531][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1088.137531][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.137531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.137531][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.137531][   T10]      netlink_unicast+0x449/0x710
[ 1088.137531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.137531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.137531][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.137531][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.137531][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.137531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.137531][   T10] 
[ 1088.139945][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1088.139945][   T10]      netdev_get_by_index+0x5e/0x80
[ 1088.139945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1088.139945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1088.139945][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1088.139945][   T10]      ipv6_add_addr+0x411/0x2000
[ 1088.139945][   T10]      inet6_addr_add+0x30e/0xa40
[ 1088.139945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1088.139945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.139945][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.139945][   T10]      netlink_unicast+0x449/0x710
[ 1088.139945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.139945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.139945][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.139945][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.139945][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.139945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.139945][   T10] 
[ 1088.142225][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1088.142225][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1088.142225][   T10]      ipv6_find_idev+0x102/0x170
[ 1088.142225][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1088.142225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.142225][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.142225][   T10]      netlink_unicast+0x449/0x710
[ 1088.142225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.142225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.142225][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.142225][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.142225][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.142225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.142225][   T10] 
[ 1088.143896][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1088.143896][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1088.143896][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1088.143896][   T10]      ipv6_find_idev+0x102/0x170
[ 1088.143896][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1088.143896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1088.143896][   T10]      netlink_rcv_skb+0x130/0x360
[ 1088.143896][   T10]      netlink_unicast+0x449/0x710
[ 1088.143896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1088.143896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1088.143896][   T10]      ___sys_sendmsg+0xee/0x170
[ 1088.143896][   T10]      __sys_sendmsg+0xcd/0x170
[ 1088.143896][   T10]      do_syscall_64+0xc6/0x1e0
[ 1088.143896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1088.143896][   T10] 
[ 1089.674169][ T6347] br0: port 1(vx0) entered blocking state
[ 1089.674431][ T6347] br0: port 1(vx0) entered disabled state
[ 1089.674620][ T6347] vx0: entered allmulticast mode
[ 1089.676442][ T6347] vx0: entered promiscuous mode
[ 1089.678259][ T6347] br0: port 1(vx0) entered blocking state
[ 1089.678428][ T6347] br0: port 1(vx0) entered forwarding state
[ 1095.062408][ T6377] br0: port 1(vx0) entered blocking state
[ 1095.062609][ T6377] br0: port 1(vx0) entered disabled state
[ 1095.062779][ T6377] vx0: entered allmulticast mode
[ 1095.063965][ T6377] vx0: entered promiscuous mode
[ 1095.066575][ T6377] br0: port 1(vx0) entered blocking state
[ 1095.066761][ T6377] br0: port 1(vx0) entered forwarding state
[ 1098.297602][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1098.297919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.297919][   T10]      dst_init+0x84/0x4a0
[ 1098.297919][   T10]      dst_alloc+0x97/0x150
[ 1098.297919][   T10]      ip6_dst_alloc+0x23/0x90
[ 1098.297919][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1098.297919][   T10]      ip6_pol_route+0x56f/0x840
[ 1098.297919][   T10]      fib6_rule_lookup+0x456/0x630
[ 1098.297919][   T10]      ip6_route_input+0x59c/0xa50
[ 1098.297919][   T10]      ipv6_rcv+0x397/0x810
[ 1098.297919][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1098.297919][   T10]      process_backlog+0x101/0x620
[ 1098.297919][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1098.297919][   T10]      net_rx_action+0x495/0xbe0
[ 1098.297919][   T10]      __do_softirq+0x1b5/0x7f6
[ 1098.297919][   T10] 
[ 1098.299621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.299621][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1098.299621][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1098.299621][   T10]      fib6_nh_init+0xa22/0x1580
[ 1098.299621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.299621][   T10]      ip6_route_add+0x1c/0x140
[ 1098.299621][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1098.299621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.299621][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.299621][   T10]      netlink_unicast+0x449/0x710
[ 1098.299621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.299621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.299621][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.299621][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.299621][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.299621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.299621][   T10] 
[ 1098.301536][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.301536][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.301536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.301536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.301536][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1098.301536][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1098.301536][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1098.301536][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1098.301536][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1098.301536][   T10]      addrconf_dad_begin+0x310/0x670
[ 1098.301536][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1098.301536][   T10]      process_one_work+0x84d/0x18a0
[ 1098.301536][   T10]      worker_thread+0x587/0xd30
[ 1098.301536][   T10]      kthread+0x28a/0x350
[ 1098.301536][   T10]      ret_from_fork+0x31/0x70
[ 1098.301536][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1098.301536][   T10] 
[ 1098.303452][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.303452][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.303452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.303452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.303452][   T10]      ip6_route_add+0x1c/0x140
[ 1098.303452][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1098.303452][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1098.303452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.303452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.303452][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.303452][   T10]      netlink_unicast+0x449/0x710
[ 1098.303452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.303452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.303452][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.303452][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.303452][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.303452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.303452][   T10] 
[ 1098.305453][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.305453][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.305453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.305453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.305453][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1098.305453][   T10]      ipv6_add_addr+0x411/0x2000
[ 1098.305453][   T10]      inet6_addr_add+0x30e/0xa40
[ 1098.305453][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.305453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.305453][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.305453][   T10]      netlink_unicast+0x449/0x710
[ 1098.305453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.305453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.305453][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.305453][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.305453][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.305453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.305453][   T10] 
[ 1098.307459][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.307459][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.307459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.307459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.307459][   T10]      ip6_route_add+0x1c/0x140
[ 1098.307459][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1098.307459][   T10]      addrconf_add_dev+0xe2/0x170
[ 1098.307459][   T10]      inet6_addr_add+0x12f/0xa40
[ 1098.307459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.307459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.307459][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.307459][   T10]      netlink_unicast+0x449/0x710
[ 1098.307459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.307459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.307459][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.307459][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.307459][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.307459][   T10] 
[ 1098.309439][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.309439][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1098.309439][   T10]      ipv6_find_idev+0x102/0x170
[ 1098.309439][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1098.309439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.309439][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.309439][   T10]      netlink_unicast+0x449/0x710
[ 1098.309439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.309439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.309439][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.309439][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.309439][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.309439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.309439][   T10] 
[ 1098.310993][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1098.310993][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1098.310993][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1098.310993][   T10]      ipv6_find_idev+0x102/0x170
[ 1098.310993][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1098.310993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.310993][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.310993][   T10]      netlink_unicast+0x449/0x710
[ 1098.310993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.310993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.310993][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.310993][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.310993][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.310993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.310993][   T10] 
[ 1098.312706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1098.312957][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.312957][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1098.312957][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1098.312957][   T10]      fib6_nh_init+0xa22/0x1580
[ 1098.312957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.312957][   T10]      ip6_route_add+0x1c/0x140
[ 1098.312957][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1098.312957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.312957][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.312957][   T10]      netlink_unicast+0x449/0x710
[ 1098.312957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.312957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.312957][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.312957][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.312957][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.312957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.312957][   T10] 
[ 1098.314859][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.314859][   T10]      dst_init+0x84/0x4a0
[ 1098.314859][   T10]      dst_alloc+0x97/0x150
[ 1098.314859][   T10]      ip6_dst_alloc+0x23/0x90
[ 1098.314859][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1098.314859][   T10]      ip6_pol_route+0x56f/0x840
[ 1098.314859][   T10]      fib6_rule_lookup+0x456/0x630
[ 1098.314859][   T10]      ip6_route_input+0x59c/0xa50
[ 1098.314859][   T10]      ipv6_rcv+0x397/0x810
[ 1098.314859][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1098.314859][   T10]      process_backlog+0x101/0x620
[ 1098.314859][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1098.314859][   T10]      net_rx_action+0x495/0xbe0
[ 1098.314859][   T10]      __do_softirq+0x1b5/0x7f6
[ 1098.314859][   T10] 
[ 1098.316515][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.316515][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.316515][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.316515][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.316515][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1098.316515][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1098.316515][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1098.316515][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1098.316515][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1098.316515][   T10]      addrconf_dad_begin+0x310/0x670
[ 1098.316515][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1098.316515][   T10]      process_one_work+0x84d/0x18a0
[ 1098.316515][   T10]      worker_thread+0x587/0xd30
[ 1098.316515][   T10]      kthread+0x28a/0x350
[ 1098.316515][   T10]      ret_from_fork+0x31/0x70
[ 1098.316515][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1098.316515][   T10] 
[ 1098.318434][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.318434][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.318434][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.318434][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.318434][   T10]      ip6_route_add+0x1c/0x140
[ 1098.318434][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1098.318434][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1098.318434][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.318434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.318434][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.318434][   T10]      netlink_unicast+0x449/0x710
[ 1098.318434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.318434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.318434][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.318434][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.318434][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.318434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.318434][   T10] 
[ 1098.320467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.320467][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.320467][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.320467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.320467][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1098.320467][   T10]      ipv6_add_addr+0x411/0x2000
[ 1098.320467][   T10]      inet6_addr_add+0x30e/0xa40
[ 1098.320467][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.320467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.320467][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.320467][   T10]      netlink_unicast+0x449/0x710
[ 1098.320467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.320467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.320467][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.320467][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.320467][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.320467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.320467][   T10] 
[ 1098.322540][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.322540][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.322540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.322540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.322540][   T10]      ip6_route_add+0x1c/0x140
[ 1098.322540][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1098.322540][   T10]      addrconf_add_dev+0xe2/0x170
[ 1098.322540][   T10]      inet6_addr_add+0x12f/0xa40
[ 1098.322540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.322540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.322540][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.322540][   T10]      netlink_unicast+0x449/0x710
[ 1098.322540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.322540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.322540][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.322540][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.322540][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.322540][   T10] 
[ 1098.324822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.324822][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1098.324822][   T10]      ipv6_find_idev+0x102/0x170
[ 1098.324822][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1098.324822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.324822][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.324822][   T10]      netlink_unicast+0x449/0x710
[ 1098.324822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.324822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.324822][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.324822][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.324822][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.324822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.324822][   T10] 
[ 1098.326490][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1098.326490][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1098.326490][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1098.326490][   T10]      ipv6_find_idev+0x102/0x170
[ 1098.326490][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1098.326490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.326490][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.326490][   T10]      netlink_unicast+0x449/0x710
[ 1098.326490][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.326490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.326490][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.326490][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.326490][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.326490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.326490][   T10] 
[ 1098.328447][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1098.328710][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1098.328710][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.328710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.328710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.328710][   T10]      ip6_route_add+0x1c/0x140
[ 1098.328710][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1098.328710][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1098.328710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.328710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.328710][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.328710][   T10]      netlink_unicast+0x449/0x710
[ 1098.328710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.328710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.328710][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.328710][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.328710][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.328710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.328710][   T10] 
[ 1098.330920][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1098.330920][   T10]      netdev_get_by_index+0x5e/0x80
[ 1098.330920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1098.330920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1098.330920][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1098.330920][   T10]      ipv6_add_addr+0x411/0x2000
[ 1098.330920][   T10]      inet6_addr_add+0x30e/0xa40
[ 1098.330920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1098.330920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.330920][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.330920][   T10]      netlink_unicast+0x449/0x710
[ 1098.330920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.330920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.330920][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.330920][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.330920][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.330920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.330920][   T10] 
[ 1098.333226][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1098.333226][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1098.333226][   T10]      ipv6_find_idev+0x102/0x170
[ 1098.333226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1098.333226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.333226][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.333226][   T10]      netlink_unicast+0x449/0x710
[ 1098.333226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.333226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.333226][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.333226][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.333226][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.333226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.333226][   T10] 
[ 1098.334961][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1098.334961][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1098.334961][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1098.334961][   T10]      ipv6_find_idev+0x102/0x170
[ 1098.334961][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1098.334961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1098.334961][   T10]      netlink_rcv_skb+0x130/0x360
[ 1098.334961][   T10]      netlink_unicast+0x449/0x710
[ 1098.334961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1098.334961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1098.334961][   T10]      ___sys_sendmsg+0xee/0x170
[ 1098.334961][   T10]      __sys_sendmsg+0xcd/0x170
[ 1098.334961][   T10]      do_syscall_64+0xc6/0x1e0
[ 1098.334961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1098.334961][   T10] 
[ 1099.166609][ T6409] veth0: renamed from veth1
[ 1103.021896][ T6436] br0: port 1(vx0) entered blocking state
[ 1103.022153][ T6436] br0: port 1(vx0) entered disabled state
[ 1103.022327][ T6436] vx0: entered allmulticast mode
[ 1103.023506][ T6436] vx0: entered promiscuous mode
[ 1103.025323][ T6436] br0: port 1(vx0) entered blocking state
[ 1103.025483][ T6436] br0: port 1(vx0) entered forwarding state
[ 1108.422922][ T6466] br0: port 1(vx0) entered blocking state
[ 1108.423179][ T6466] br0: port 1(vx0) entered disabled state
[ 1108.423353][ T6466] vx0: entered allmulticast mode
[ 1108.425468][ T6466] vx0: entered promiscuous mode
[ 1108.427309][ T6466] br0: port 1(vx0) entered blocking state
[ 1108.427479][ T6466] br0: port 1(vx0) entered forwarding state
[ 1108.456615][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1108.456906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.456906][   T10]      dst_init+0x84/0x4a0
[ 1108.456906][   T10]      dst_alloc+0x97/0x150
[ 1108.456906][   T10]      ip6_dst_alloc+0x23/0x90
[ 1108.456906][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1108.456906][   T10]      ip6_pol_route+0x56f/0x840
[ 1108.456906][   T10]      fib6_rule_lookup+0x456/0x630
[ 1108.456906][   T10]      ip6_route_input+0x59c/0xa50
[ 1108.456906][   T10]      ipv6_rcv+0x397/0x810
[ 1108.456906][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1108.456906][   T10]      process_backlog+0x101/0x620
[ 1108.456906][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1108.456906][   T10]      net_rx_action+0x495/0xbe0
[ 1108.456906][   T10]      __do_softirq+0x1b5/0x7f6
[ 1108.456906][   T10] 
[ 1108.458596][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.458596][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1108.458596][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1108.458596][   T10]      fib6_nh_init+0xa22/0x1580
[ 1108.458596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.458596][   T10]      ip6_route_add+0x1c/0x140
[ 1108.458596][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1108.458596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.458596][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.458596][   T10]      netlink_unicast+0x449/0x710
[ 1108.458596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.458596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.458596][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.458596][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.458596][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.458596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.458596][   T10] 
[ 1108.460549][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.460549][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.460549][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.460549][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.460549][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1108.460549][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1108.460549][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1108.460549][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1108.460549][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1108.460549][   T10]      addrconf_dad_begin+0x310/0x670
[ 1108.460549][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1108.460549][   T10]      process_one_work+0x84d/0x18a0
[ 1108.460549][   T10]      worker_thread+0x587/0xd30
[ 1108.460549][   T10]      kthread+0x28a/0x350
[ 1108.460549][   T10]      ret_from_fork+0x31/0x70
[ 1108.460549][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1108.460549][   T10] 
[ 1108.462479][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.462479][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.462479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.462479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.462479][   T10]      ip6_route_add+0x1c/0x140
[ 1108.462479][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1108.462479][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1108.462479][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.462479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.462479][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.462479][   T10]      netlink_unicast+0x449/0x710
[ 1108.462479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.462479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.462479][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.462479][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.462479][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.462479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.462479][   T10] 
[ 1108.464535][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.464535][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.464535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.464535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.464535][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1108.464535][   T10]      ipv6_add_addr+0x411/0x2000
[ 1108.464535][   T10]      inet6_addr_add+0x30e/0xa40
[ 1108.464535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.464535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.464535][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.464535][   T10]      netlink_unicast+0x449/0x710
[ 1108.464535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.464535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.464535][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.464535][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.464535][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.464535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.464535][   T10] 
[ 1108.466580][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.466580][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.466580][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.466580][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.466580][   T10]      ip6_route_add+0x1c/0x140
[ 1108.466580][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1108.466580][   T10]      addrconf_add_dev+0xe2/0x170
[ 1108.466580][   T10]      inet6_addr_add+0x12f/0xa40
[ 1108.466580][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.466580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.466580][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.466580][   T10]      netlink_unicast+0x449/0x710
[ 1108.466580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.466580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.466580][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.466580][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.466580][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.466580][   T10] 
[ 1108.468602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.468602][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1108.468602][   T10]      ipv6_find_idev+0x102/0x170
[ 1108.468602][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1108.468602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.468602][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.468602][   T10]      netlink_unicast+0x449/0x710
[ 1108.468602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.468602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.468602][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.468602][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.468602][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.468602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.468602][   T10] 
[ 1108.470171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1108.470171][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1108.470171][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1108.470171][   T10]      ipv6_find_idev+0x102/0x170
[ 1108.470171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1108.470171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.470171][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.470171][   T10]      netlink_unicast+0x449/0x710
[ 1108.470171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.470171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.470171][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.470171][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.470171][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.470171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.470171][   T10] 
[ 1108.472507][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1108.472815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.472815][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1108.472815][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1108.472815][   T10]      fib6_nh_init+0xa22/0x1580
[ 1108.472815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.472815][   T10]      ip6_route_add+0x1c/0x140
[ 1108.472815][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1108.472815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.472815][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.472815][   T10]      netlink_unicast+0x449/0x710
[ 1108.472815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.472815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.472815][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.472815][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.472815][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.472815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.472815][   T10] 
[ 1108.474800][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.474800][   T10]      dst_init+0x84/0x4a0
[ 1108.474800][   T10]      dst_alloc+0x97/0x150
[ 1108.474800][   T10]      ip6_dst_alloc+0x23/0x90
[ 1108.474800][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1108.474800][   T10]      ip6_pol_route+0x56f/0x840
[ 1108.474800][   T10]      fib6_rule_lookup+0x456/0x630
[ 1108.474800][   T10]      ip6_route_input+0x59c/0xa50
[ 1108.474800][   T10]      ipv6_rcv+0x397/0x810
[ 1108.474800][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1108.474800][   T10]      process_backlog+0x101/0x620
[ 1108.474800][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1108.474800][   T10]      net_rx_action+0x495/0xbe0
[ 1108.474800][   T10]      __do_softirq+0x1b5/0x7f6
[ 1108.474800][   T10] 
[ 1108.476683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.476683][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.476683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.476683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.476683][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1108.476683][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1108.476683][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1108.476683][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1108.476683][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1108.476683][   T10]      addrconf_dad_begin+0x310/0x670
[ 1108.476683][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1108.476683][   T10]      process_one_work+0x84d/0x18a0
[ 1108.476683][   T10]      worker_thread+0x587/0xd30
[ 1108.476683][   T10]      kthread+0x28a/0x350
[ 1108.476683][   T10]      ret_from_fork+0x31/0x70
[ 1108.476683][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1108.476683][   T10] 
[ 1108.478830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.478830][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.478830][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.478830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.478830][   T10]      ip6_route_add+0x1c/0x140
[ 1108.478830][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1108.478830][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1108.478830][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.478830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.478830][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.478830][   T10]      netlink_unicast+0x449/0x710
[ 1108.478830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.478830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.478830][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.478830][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.478830][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.478830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.478830][   T10] 
[ 1108.481126][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.481126][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.481126][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.481126][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.481126][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1108.481126][   T10]      ipv6_add_addr+0x411/0x2000
[ 1108.481126][   T10]      inet6_addr_add+0x30e/0xa40
[ 1108.481126][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.481126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.481126][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.481126][   T10]      netlink_unicast+0x449/0x710
[ 1108.481126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.481126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.481126][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.481126][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.481126][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.481126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.481126][   T10] 
[ 1108.483462][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.483462][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.483462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.483462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.483462][   T10]      ip6_route_add+0x1c/0x140
[ 1108.483462][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1108.483462][   T10]      addrconf_add_dev+0xe2/0x170
[ 1108.483462][   T10]      inet6_addr_add+0x12f/0xa40
[ 1108.483462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.483462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.483462][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.483462][   T10]      netlink_unicast+0x449/0x710
[ 1108.483462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.483462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.483462][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.483462][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.483462][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.483462][   T10] 
[ 1108.485585][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.485585][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1108.485585][   T10]      ipv6_find_idev+0x102/0x170
[ 1108.485585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1108.485585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.485585][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.485585][   T10]      netlink_unicast+0x449/0x710
[ 1108.485585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.485585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.485585][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.485585][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.485585][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.485585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.485585][   T10] 
[ 1108.487153][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1108.487153][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1108.487153][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1108.487153][   T10]      ipv6_find_idev+0x102/0x170
[ 1108.487153][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1108.487153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.487153][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.487153][   T10]      netlink_unicast+0x449/0x710
[ 1108.487153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.487153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.487153][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.487153][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.487153][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.487153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.487153][   T10] 
[ 1108.488927][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1108.489172][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1108.489172][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.489172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.489172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.489172][   T10]      ip6_route_add+0x1c/0x140
[ 1108.489172][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1108.489172][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1108.489172][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.489172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.489172][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.489172][   T10]      netlink_unicast+0x449/0x710
[ 1108.489172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.489172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.489172][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.489172][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.489172][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.489172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.489172][   T10] 
[ 1108.491239][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1108.491239][   T10]      netdev_get_by_index+0x5e/0x80
[ 1108.491239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1108.491239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1108.491239][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1108.491239][   T10]      ipv6_add_addr+0x411/0x2000
[ 1108.491239][   T10]      inet6_addr_add+0x30e/0xa40
[ 1108.491239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1108.491239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.491239][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.491239][   T10]      netlink_unicast+0x449/0x710
[ 1108.491239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.491239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.491239][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.491239][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.491239][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.491239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.491239][   T10] 
[ 1108.493287][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1108.493287][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1108.493287][   T10]      ipv6_find_idev+0x102/0x170
[ 1108.493287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1108.493287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.493287][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.493287][   T10]      netlink_unicast+0x449/0x710
[ 1108.493287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.493287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.493287][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.493287][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.493287][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.493287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.493287][   T10] 
[ 1108.495102][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1108.495102][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1108.495102][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1108.495102][   T10]      ipv6_find_idev+0x102/0x170
[ 1108.495102][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1108.495102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1108.495102][   T10]      netlink_rcv_skb+0x130/0x360
[ 1108.495102][   T10]      netlink_unicast+0x449/0x710
[ 1108.495102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1108.495102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1108.495102][   T10]      ___sys_sendmsg+0xee/0x170
[ 1108.495102][   T10]      __sys_sendmsg+0xcd/0x170
[ 1108.495102][   T10]      do_syscall_64+0xc6/0x1e0
[ 1108.495102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1108.495102][   T10] 
[ 1118.730220][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1118.730621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.730621][   T10]      dst_init+0x84/0x4a0
[ 1118.730621][   T10]      dst_alloc+0x97/0x150
[ 1118.730621][   T10]      ip6_dst_alloc+0x23/0x90
[ 1118.730621][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1118.730621][   T10]      ip6_pol_route+0x56f/0x840
[ 1118.730621][   T10]      fib6_rule_lookup+0x456/0x630
[ 1118.730621][   T10]      ip6_route_input+0x59c/0xa50
[ 1118.730621][   T10]      ipv6_rcv+0x397/0x810
[ 1118.730621][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1118.730621][   T10]      process_backlog+0x101/0x620
[ 1118.730621][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1118.730621][   T10]      net_rx_action+0x495/0xbe0
[ 1118.730621][   T10]      __do_softirq+0x1b5/0x7f6
[ 1118.730621][   T10] 
[ 1118.732313][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.732313][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1118.732313][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1118.732313][   T10]      fib6_nh_init+0xa22/0x1580
[ 1118.732313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.732313][   T10]      ip6_route_add+0x1c/0x140
[ 1118.732313][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1118.732313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.732313][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.732313][   T10]      netlink_unicast+0x449/0x710
[ 1118.732313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.732313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.732313][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.732313][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.732313][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.732313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.732313][   T10] 
[ 1118.734241][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.734241][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.734241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.734241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.734241][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1118.734241][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1118.734241][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1118.734241][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1118.734241][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1118.734241][   T10]      addrconf_dad_begin+0x310/0x670
[ 1118.734241][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1118.734241][   T10]      process_one_work+0x84d/0x18a0
[ 1118.734241][   T10]      worker_thread+0x587/0xd30
[ 1118.734241][   T10]      kthread+0x28a/0x350
[ 1118.734241][   T10]      ret_from_fork+0x31/0x70
[ 1118.734241][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1118.734241][   T10] 
[ 1118.736183][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.736183][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.736183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.736183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.736183][   T10]      ip6_route_add+0x1c/0x140
[ 1118.736183][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1118.736183][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1118.736183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.736183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.736183][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.736183][   T10]      netlink_unicast+0x449/0x710
[ 1118.736183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.736183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.736183][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.736183][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.736183][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.736183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.736183][   T10] 
[ 1118.738218][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.738218][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.738218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.738218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.738218][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1118.738218][   T10]      ipv6_add_addr+0x411/0x2000
[ 1118.738218][   T10]      inet6_addr_add+0x30e/0xa40
[ 1118.738218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.738218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.738218][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.738218][   T10]      netlink_unicast+0x449/0x710
[ 1118.738218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.738218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.738218][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.738218][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.738218][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.738218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.738218][   T10] 
[ 1118.740327][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.740327][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.740327][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.740327][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.740327][   T10]      ip6_route_add+0x1c/0x140
[ 1118.740327][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1118.740327][   T10]      addrconf_add_dev+0xe2/0x170
[ 1118.740327][   T10]      inet6_addr_add+0x12f/0xa40
[ 1118.740327][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.740327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.740327][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.740327][   T10]      netlink_unicast+0x449/0x710
[ 1118.740327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.740327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.740327][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.740327][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.740327][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.740327][   T10] 
[ 1118.742478][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.742478][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1118.742478][   T10]      ipv6_find_idev+0x102/0x170
[ 1118.742478][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1118.742478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.742478][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.742478][   T10]      netlink_unicast+0x449/0x710
[ 1118.742478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.742478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.742478][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.742478][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.742478][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.742478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.742478][   T10] 
[ 1118.744262][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1118.744262][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1118.744262][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1118.744262][   T10]      ipv6_find_idev+0x102/0x170
[ 1118.744262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1118.744262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.744262][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.744262][   T10]      netlink_unicast+0x449/0x710
[ 1118.744262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.744262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.744262][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.744262][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.744262][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.744262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.744262][   T10] 
[ 1118.746094][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1118.746334][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.746334][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1118.746334][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1118.746334][   T10]      fib6_nh_init+0xa22/0x1580
[ 1118.746334][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.746334][   T10]      ip6_route_add+0x1c/0x140
[ 1118.746334][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1118.746334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.746334][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.746334][   T10]      netlink_unicast+0x449/0x710
[ 1118.746334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.746334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.746334][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.746334][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.746334][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.746334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.746334][   T10] 
[ 1118.748426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.748426][   T10]      dst_init+0x84/0x4a0
[ 1118.748426][   T10]      dst_alloc+0x97/0x150
[ 1118.748426][   T10]      ip6_dst_alloc+0x23/0x90
[ 1118.748426][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1118.748426][   T10]      ip6_pol_route+0x56f/0x840
[ 1118.748426][   T10]      fib6_rule_lookup+0x456/0x630
[ 1118.748426][   T10]      ip6_route_input+0x59c/0xa50
[ 1118.748426][   T10]      ipv6_rcv+0x397/0x810
[ 1118.748426][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1118.748426][   T10]      process_backlog+0x101/0x620
[ 1118.748426][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1118.748426][   T10]      net_rx_action+0x495/0xbe0
[ 1118.748426][   T10]      __do_softirq+0x1b5/0x7f6
[ 1118.748426][   T10] 
[ 1118.750218][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.750218][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.750218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.750218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.750218][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1118.750218][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1118.750218][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1118.750218][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1118.750218][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1118.750218][   T10]      addrconf_dad_begin+0x310/0x670
[ 1118.750218][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1118.750218][   T10]      process_one_work+0x84d/0x18a0
[ 1118.750218][   T10]      worker_thread+0x587/0xd30
[ 1118.750218][   T10]      kthread+0x28a/0x350
[ 1118.750218][   T10]      ret_from_fork+0x31/0x70
[ 1118.750218][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1118.750218][   T10] 
[ 1118.752248][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.752248][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.752248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.752248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.752248][   T10]      ip6_route_add+0x1c/0x140
[ 1118.752248][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1118.752248][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1118.752248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.752248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.752248][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.752248][   T10]      netlink_unicast+0x449/0x710
[ 1118.752248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.752248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.752248][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.752248][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.752248][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.752248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.752248][   T10] 
[ 1118.754491][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.754491][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.754491][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.754491][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.754491][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1118.754491][   T10]      ipv6_add_addr+0x411/0x2000
[ 1118.754491][   T10]      inet6_addr_add+0x30e/0xa40
[ 1118.754491][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.754491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.754491][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.754491][   T10]      netlink_unicast+0x449/0x710
[ 1118.754491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.754491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.754491][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.754491][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.754491][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.754491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.754491][   T10] 
[ 1118.756654][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.756654][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.756654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.756654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.756654][   T10]      ip6_route_add+0x1c/0x140
[ 1118.756654][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1118.756654][   T10]      addrconf_add_dev+0xe2/0x170
[ 1118.756654][   T10]      inet6_addr_add+0x12f/0xa40
[ 1118.756654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.756654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.756654][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.756654][   T10]      netlink_unicast+0x449/0x710
[ 1118.756654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.756654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.756654][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.756654][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.756654][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.756654][   T10] 
[ 1118.758731][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.758731][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1118.758731][   T10]      ipv6_find_idev+0x102/0x170
[ 1118.758731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1118.758731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.758731][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.758731][   T10]      netlink_unicast+0x449/0x710
[ 1118.758731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.758731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.758731][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.758731][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.758731][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.758731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.758731][   T10] 
[ 1118.760448][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1118.760448][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1118.760448][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1118.760448][   T10]      ipv6_find_idev+0x102/0x170
[ 1118.760448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1118.760448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.760448][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.760448][   T10]      netlink_unicast+0x449/0x710
[ 1118.760448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.760448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.760448][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.760448][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.760448][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.760448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.760448][   T10] 
[ 1118.762366][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1118.762609][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1118.762609][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.762609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.762609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.762609][   T10]      ip6_route_add+0x1c/0x140
[ 1118.762609][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1118.762609][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1118.762609][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.762609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.762609][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.762609][   T10]      netlink_unicast+0x449/0x710
[ 1118.762609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.762609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.762609][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.762609][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.762609][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.762609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.762609][   T10] 
[ 1118.764669][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1118.764669][   T10]      netdev_get_by_index+0x5e/0x80
[ 1118.764669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1118.764669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1118.764669][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1118.764669][   T10]      ipv6_add_addr+0x411/0x2000
[ 1118.764669][   T10]      inet6_addr_add+0x30e/0xa40
[ 1118.764669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1118.764669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.764669][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.764669][   T10]      netlink_unicast+0x449/0x710
[ 1118.764669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.764669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.764669][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.764669][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.764669][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.764669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.764669][   T10] 
[ 1118.766683][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1118.766683][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1118.766683][   T10]      ipv6_find_idev+0x102/0x170
[ 1118.766683][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1118.766683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.766683][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.766683][   T10]      netlink_unicast+0x449/0x710
[ 1118.766683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.766683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.766683][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.766683][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.766683][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.766683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.766683][   T10] 
[ 1118.768316][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1118.768316][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1118.768316][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1118.768316][   T10]      ipv6_find_idev+0x102/0x170
[ 1118.768316][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1118.768316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1118.768316][   T10]      netlink_rcv_skb+0x130/0x360
[ 1118.768316][   T10]      netlink_unicast+0x449/0x710
[ 1118.768316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1118.768316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1118.768316][   T10]      ___sys_sendmsg+0xee/0x170
[ 1118.768316][   T10]      __sys_sendmsg+0xcd/0x170
[ 1118.768316][   T10]      do_syscall_64+0xc6/0x1e0
[ 1118.768316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1118.768316][   T10] 
[ 1128.882637][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1128.883046][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.883046][   T10]      dst_init+0x84/0x4a0
[ 1128.883046][   T10]      dst_alloc+0x97/0x150
[ 1128.883046][   T10]      ip6_dst_alloc+0x23/0x90
[ 1128.883046][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1128.883046][   T10]      ip6_pol_route+0x56f/0x840
[ 1128.883046][   T10]      fib6_rule_lookup+0x456/0x630
[ 1128.883046][   T10]      ip6_route_input+0x59c/0xa50
[ 1128.883046][   T10]      ipv6_rcv+0x397/0x810
[ 1128.883046][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1128.883046][   T10]      process_backlog+0x101/0x620
[ 1128.883046][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1128.883046][   T10]      net_rx_action+0x495/0xbe0
[ 1128.883046][   T10]      __do_softirq+0x1b5/0x7f6
[ 1128.883046][   T10] 
[ 1128.884744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.884744][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1128.884744][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1128.884744][   T10]      fib6_nh_init+0xa22/0x1580
[ 1128.884744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.884744][   T10]      ip6_route_add+0x1c/0x140
[ 1128.884744][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1128.884744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.884744][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.884744][   T10]      netlink_unicast+0x449/0x710
[ 1128.884744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.884744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.884744][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.884744][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.884744][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.884744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.884744][   T10] 
[ 1128.886713][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.886713][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.886713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.886713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.886713][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1128.886713][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1128.886713][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1128.886713][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1128.886713][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1128.886713][   T10]      addrconf_dad_begin+0x310/0x670
[ 1128.886713][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1128.886713][   T10]      process_one_work+0x84d/0x18a0
[ 1128.886713][   T10]      worker_thread+0x587/0xd30
[ 1128.886713][   T10]      kthread+0x28a/0x350
[ 1128.886713][   T10]      ret_from_fork+0x31/0x70
[ 1128.886713][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1128.886713][   T10] 
[ 1128.888668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.888668][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.888668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.888668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.888668][   T10]      ip6_route_add+0x1c/0x140
[ 1128.888668][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1128.888668][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1128.888668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.888668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.888668][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.888668][   T10]      netlink_unicast+0x449/0x710
[ 1128.888668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.888668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.888668][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.888668][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.888668][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.888668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.888668][   T10] 
[ 1128.890723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.890723][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.890723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.890723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.890723][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1128.890723][   T10]      ipv6_add_addr+0x411/0x2000
[ 1128.890723][   T10]      inet6_addr_add+0x30e/0xa40
[ 1128.890723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.890723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.890723][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.890723][   T10]      netlink_unicast+0x449/0x710
[ 1128.890723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.890723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.890723][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.890723][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.890723][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.890723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.890723][   T10] 
[ 1128.892804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.892804][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.892804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.892804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.892804][   T10]      ip6_route_add+0x1c/0x140
[ 1128.892804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1128.892804][   T10]      addrconf_add_dev+0xe2/0x170
[ 1128.892804][   T10]      inet6_addr_add+0x12f/0xa40
[ 1128.892804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.892804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.892804][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.892804][   T10]      netlink_unicast+0x449/0x710
[ 1128.892804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.892804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.892804][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.892804][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.892804][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.892804][   T10] 
[ 1128.894788][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.894788][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1128.894788][   T10]      ipv6_find_idev+0x102/0x170
[ 1128.894788][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1128.894788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.894788][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.894788][   T10]      netlink_unicast+0x449/0x710
[ 1128.894788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.894788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.894788][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.894788][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.894788][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.894788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.894788][   T10] 
[ 1128.896415][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1128.896415][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1128.896415][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1128.896415][   T10]      ipv6_find_idev+0x102/0x170
[ 1128.896415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1128.896415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.896415][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.896415][   T10]      netlink_unicast+0x449/0x710
[ 1128.896415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.896415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.896415][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.896415][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.896415][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.896415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.896415][   T10] 
[ 1128.898326][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1128.898571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.898571][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1128.898571][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1128.898571][   T10]      fib6_nh_init+0xa22/0x1580
[ 1128.898571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.898571][   T10]      ip6_route_add+0x1c/0x140
[ 1128.898571][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1128.898571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.898571][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.898571][   T10]      netlink_unicast+0x449/0x710
[ 1128.898571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.898571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.898571][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.898571][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.898571][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.898571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.898571][   T10] 
[ 1128.900478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.900478][   T10]      dst_init+0x84/0x4a0
[ 1128.900478][   T10]      dst_alloc+0x97/0x150
[ 1128.900478][   T10]      ip6_dst_alloc+0x23/0x90
[ 1128.900478][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1128.900478][   T10]      ip6_pol_route+0x56f/0x840
[ 1128.900478][   T10]      fib6_rule_lookup+0x456/0x630
[ 1128.900478][   T10]      ip6_route_input+0x59c/0xa50
[ 1128.900478][   T10]      ipv6_rcv+0x397/0x810
[ 1128.900478][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1128.900478][   T10]      process_backlog+0x101/0x620
[ 1128.900478][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1128.900478][   T10]      net_rx_action+0x495/0xbe0
[ 1128.900478][   T10]      __do_softirq+0x1b5/0x7f6
[ 1128.900478][   T10] 
[ 1128.902472][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.902472][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.902472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.902472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.902472][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1128.902472][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1128.902472][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1128.902472][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1128.902472][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1128.902472][   T10]      addrconf_dad_begin+0x310/0x670
[ 1128.902472][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1128.902472][   T10]      process_one_work+0x84d/0x18a0
[ 1128.902472][   T10]      worker_thread+0x587/0xd30
[ 1128.902472][   T10]      kthread+0x28a/0x350
[ 1128.902472][   T10]      ret_from_fork+0x31/0x70
[ 1128.902472][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1128.902472][   T10] 
[ 1128.904700][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.904700][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.904700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.904700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.904700][   T10]      ip6_route_add+0x1c/0x140
[ 1128.904700][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1128.904700][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1128.904700][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.904700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.904700][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.904700][   T10]      netlink_unicast+0x449/0x710
[ 1128.904700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.904700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.904700][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.904700][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.904700][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.904700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.904700][   T10] 
[ 1128.906730][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.906730][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.906730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.906730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.906730][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1128.906730][   T10]      ipv6_add_addr+0x411/0x2000
[ 1128.906730][   T10]      inet6_addr_add+0x30e/0xa40
[ 1128.906730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.906730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.906730][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.906730][   T10]      netlink_unicast+0x449/0x710
[ 1128.906730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.906730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.906730][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.906730][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.906730][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.906730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.906730][   T10] 
[ 1128.909149][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.909149][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.909149][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.909149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.909149][   T10]      ip6_route_add+0x1c/0x140
[ 1128.909149][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1128.909149][   T10]      addrconf_add_dev+0xe2/0x170
[ 1128.909149][   T10]      inet6_addr_add+0x12f/0xa40
[ 1128.909149][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.909149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.909149][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.909149][   T10]      netlink_unicast+0x449/0x710
[ 1128.909149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.909149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.909149][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.909149][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.909149][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.909149][   T10] 
[ 1128.911361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.911361][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1128.911361][   T10]      ipv6_find_idev+0x102/0x170
[ 1128.911361][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1128.911361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.911361][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.911361][   T10]      netlink_unicast+0x449/0x710
[ 1128.911361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.911361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.911361][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.911361][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.911361][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.911361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.911361][   T10] 
[ 1128.913117][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1128.913117][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1128.913117][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1128.913117][   T10]      ipv6_find_idev+0x102/0x170
[ 1128.913117][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1128.913117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.913117][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.913117][   T10]      netlink_unicast+0x449/0x710
[ 1128.913117][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.913117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.913117][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.913117][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.913117][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.913117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.913117][   T10] 
[ 1128.915192][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1128.915499][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1128.915499][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.915499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.915499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.915499][   T10]      ip6_route_add+0x1c/0x140
[ 1128.915499][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1128.915499][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1128.915499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.915499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.915499][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.915499][   T10]      netlink_unicast+0x449/0x710
[ 1128.915499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.915499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.915499][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.915499][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.915499][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.915499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.915499][   T10] 
[ 1128.917621][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1128.917621][   T10]      netdev_get_by_index+0x5e/0x80
[ 1128.917621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1128.917621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1128.917621][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1128.917621][   T10]      ipv6_add_addr+0x411/0x2000
[ 1128.917621][   T10]      inet6_addr_add+0x30e/0xa40
[ 1128.917621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1128.917621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.917621][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.917621][   T10]      netlink_unicast+0x449/0x710
[ 1128.917621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.917621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.917621][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.917621][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.917621][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.917621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.917621][   T10] 
[ 1128.919967][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1128.919967][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1128.919967][   T10]      ipv6_find_idev+0x102/0x170
[ 1128.919967][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1128.919967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.919967][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.919967][   T10]      netlink_unicast+0x449/0x710
[ 1128.919967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.919967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.919967][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.919967][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.919967][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.919967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.919967][   T10] 
[ 1128.921716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1128.921716][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1128.921716][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1128.921716][   T10]      ipv6_find_idev+0x102/0x170
[ 1128.921716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1128.921716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1128.921716][   T10]      netlink_rcv_skb+0x130/0x360
[ 1128.921716][   T10]      netlink_unicast+0x449/0x710
[ 1128.921716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1128.921716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1128.921716][   T10]      ___sys_sendmsg+0xee/0x170
[ 1128.921716][   T10]      __sys_sendmsg+0xcd/0x170
[ 1128.921716][   T10]      do_syscall_64+0xc6/0x1e0
[ 1128.921716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1128.921716][   T10] 
[ 1139.048622][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1139.049049][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.049049][   T10]      dst_init+0x84/0x4a0
[ 1139.049049][   T10]      dst_alloc+0x97/0x150
[ 1139.049049][   T10]      ip6_dst_alloc+0x23/0x90
[ 1139.049049][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1139.049049][   T10]      ip6_pol_route+0x56f/0x840
[ 1139.049049][   T10]      fib6_rule_lookup+0x456/0x630
[ 1139.049049][   T10]      ip6_route_input+0x59c/0xa50
[ 1139.049049][   T10]      ipv6_rcv+0x397/0x810
[ 1139.049049][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1139.049049][   T10]      process_backlog+0x101/0x620
[ 1139.049049][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1139.049049][   T10]      net_rx_action+0x495/0xbe0
[ 1139.049049][   T10]      __do_softirq+0x1b5/0x7f6
[ 1139.049049][   T10] 
[ 1139.050778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.050778][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1139.050778][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1139.050778][   T10]      fib6_nh_init+0xa22/0x1580
[ 1139.050778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.050778][   T10]      ip6_route_add+0x1c/0x140
[ 1139.050778][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1139.050778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.050778][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.050778][   T10]      netlink_unicast+0x449/0x710
[ 1139.050778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.050778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.050778][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.050778][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.050778][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.050778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.050778][   T10] 
[ 1139.052700][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.052700][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.052700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.052700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.052700][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1139.052700][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1139.052700][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1139.052700][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1139.052700][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1139.052700][   T10]      addrconf_dad_begin+0x310/0x670
[ 1139.052700][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1139.052700][   T10]      process_one_work+0x84d/0x18a0
[ 1139.052700][   T10]      worker_thread+0x587/0xd30
[ 1139.052700][   T10]      kthread+0x28a/0x350
[ 1139.052700][   T10]      ret_from_fork+0x31/0x70
[ 1139.052700][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1139.052700][   T10] 
[ 1139.054677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.054677][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.054677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.054677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.054677][   T10]      ip6_route_add+0x1c/0x140
[ 1139.054677][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1139.054677][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1139.054677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.054677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.054677][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.054677][   T10]      netlink_unicast+0x449/0x710
[ 1139.054677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.054677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.054677][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.054677][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.054677][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.054677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.054677][   T10] 
[ 1139.056768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.056768][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.056768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.056768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.056768][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1139.056768][   T10]      ipv6_add_addr+0x411/0x2000
[ 1139.056768][   T10]      inet6_addr_add+0x30e/0xa40
[ 1139.056768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.056768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.056768][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.056768][   T10]      netlink_unicast+0x449/0x710
[ 1139.056768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.056768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.056768][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.056768][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.056768][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.056768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.056768][   T10] 
[ 1139.058841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.058841][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.058841][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.058841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.058841][   T10]      ip6_route_add+0x1c/0x140
[ 1139.058841][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1139.058841][   T10]      addrconf_add_dev+0xe2/0x170
[ 1139.058841][   T10]      inet6_addr_add+0x12f/0xa40
[ 1139.058841][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.058841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.058841][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.058841][   T10]      netlink_unicast+0x449/0x710
[ 1139.058841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.058841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.058841][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.058841][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.058841][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.058841][   T10] 
[ 1139.061192][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.061192][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1139.061192][   T10]      ipv6_find_idev+0x102/0x170
[ 1139.061192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1139.061192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.061192][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.061192][   T10]      netlink_unicast+0x449/0x710
[ 1139.061192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.061192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.061192][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.061192][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.061192][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.061192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.061192][   T10] 
[ 1139.063033][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1139.063033][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1139.063033][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1139.063033][   T10]      ipv6_find_idev+0x102/0x170
[ 1139.063033][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1139.063033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.063033][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.063033][   T10]      netlink_unicast+0x449/0x710
[ 1139.063033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.063033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.063033][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.063033][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.063033][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.063033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.063033][   T10] 
[ 1139.065036][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1139.065287][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.065287][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1139.065287][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1139.065287][   T10]      fib6_nh_init+0xa22/0x1580
[ 1139.065287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.065287][   T10]      ip6_route_add+0x1c/0x140
[ 1139.065287][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1139.065287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.065287][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.065287][   T10]      netlink_unicast+0x449/0x710
[ 1139.065287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.065287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.065287][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.065287][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.065287][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.065287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.065287][   T10] 
[ 1139.067632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.067632][   T10]      dst_init+0x84/0x4a0
[ 1139.067632][   T10]      dst_alloc+0x97/0x150
[ 1139.067632][   T10]      ip6_dst_alloc+0x23/0x90
[ 1139.067632][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1139.067632][   T10]      ip6_pol_route+0x56f/0x840
[ 1139.067632][   T10]      fib6_rule_lookup+0x456/0x630
[ 1139.067632][   T10]      ip6_route_input+0x59c/0xa50
[ 1139.067632][   T10]      ipv6_rcv+0x397/0x810
[ 1139.067632][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1139.067632][   T10]      process_backlog+0x101/0x620
[ 1139.067632][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1139.067632][   T10]      net_rx_action+0x495/0xbe0
[ 1139.067632][   T10]      __do_softirq+0x1b5/0x7f6
[ 1139.067632][   T10] 
[ 1139.069528][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.069528][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.069528][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.069528][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.069528][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1139.069528][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1139.069528][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1139.069528][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1139.069528][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1139.069528][   T10]      addrconf_dad_begin+0x310/0x670
[ 1139.069528][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1139.069528][   T10]      process_one_work+0x84d/0x18a0
[ 1139.069528][   T10]      worker_thread+0x587/0xd30
[ 1139.069528][   T10]      kthread+0x28a/0x350
[ 1139.069528][   T10]      ret_from_fork+0x31/0x70
[ 1139.069528][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1139.069528][   T10] 
[ 1139.071630][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.071630][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.071630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.071630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.071630][   T10]      ip6_route_add+0x1c/0x140
[ 1139.071630][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1139.071630][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1139.071630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.071630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.071630][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.071630][   T10]      netlink_unicast+0x449/0x710
[ 1139.071630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.071630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.071630][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.071630][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.071630][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.071630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.071630][   T10] 
[ 1139.074032][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.074032][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.074032][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.074032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.074032][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1139.074032][   T10]      ipv6_add_addr+0x411/0x2000
[ 1139.074032][   T10]      inet6_addr_add+0x30e/0xa40
[ 1139.074032][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.074032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.074032][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.074032][   T10]      netlink_unicast+0x449/0x710
[ 1139.074032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.074032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.074032][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.074032][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.074032][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.074032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.074032][   T10] 
[ 1139.076099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.076099][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.076099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.076099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.076099][   T10]      ip6_route_add+0x1c/0x140
[ 1139.076099][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1139.076099][   T10]      addrconf_add_dev+0xe2/0x170
[ 1139.076099][   T10]      inet6_addr_add+0x12f/0xa40
[ 1139.076099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.076099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.076099][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.076099][   T10]      netlink_unicast+0x449/0x710
[ 1139.076099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.076099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.076099][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.076099][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.076099][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.076099][   T10] 
[ 1139.078292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.078292][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1139.078292][   T10]      ipv6_find_idev+0x102/0x170
[ 1139.078292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1139.078292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.078292][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.078292][   T10]      netlink_unicast+0x449/0x710
[ 1139.078292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.078292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.078292][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.078292][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.078292][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.078292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.078292][   T10] 
[ 1139.080274][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1139.080274][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1139.080274][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1139.080274][   T10]      ipv6_find_idev+0x102/0x170
[ 1139.080274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1139.080274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.080274][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.080274][   T10]      netlink_unicast+0x449/0x710
[ 1139.080274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.080274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.080274][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.080274][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.080274][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.080274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.080274][   T10] 
[ 1139.082161][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1139.082408][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1139.082408][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.082408][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.082408][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.082408][   T10]      ip6_route_add+0x1c/0x140
[ 1139.082408][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1139.082408][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1139.082408][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.082408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.082408][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.082408][   T10]      netlink_unicast+0x449/0x710
[ 1139.082408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.082408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.082408][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.082408][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.082408][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.082408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.082408][   T10] 
[ 1139.084763][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1139.084763][   T10]      netdev_get_by_index+0x5e/0x80
[ 1139.084763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1139.084763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1139.084763][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1139.084763][   T10]      ipv6_add_addr+0x411/0x2000
[ 1139.084763][   T10]      inet6_addr_add+0x30e/0xa40
[ 1139.084763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1139.084763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.084763][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.084763][   T10]      netlink_unicast+0x449/0x710
[ 1139.084763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.084763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.084763][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.084763][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.084763][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.084763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.084763][   T10] 
[ 1139.087306][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1139.087306][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1139.087306][   T10]      ipv6_find_idev+0x102/0x170
[ 1139.087306][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1139.087306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.087306][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.087306][   T10]      netlink_unicast+0x449/0x710
[ 1139.087306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.087306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.087306][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.087306][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.087306][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.087306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.087306][   T10] 
[ 1139.089086][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1139.089086][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1139.089086][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1139.089086][   T10]      ipv6_find_idev+0x102/0x170
[ 1139.089086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1139.089086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1139.089086][   T10]      netlink_rcv_skb+0x130/0x360
[ 1139.089086][   T10]      netlink_unicast+0x449/0x710
[ 1139.089086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1139.089086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1139.089086][   T10]      ___sys_sendmsg+0xee/0x170
[ 1139.089086][   T10]      __sys_sendmsg+0xcd/0x170
[ 1139.089086][   T10]      do_syscall_64+0xc6/0x1e0
[ 1139.089086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1139.089086][   T10] 
[ 1149.217604][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1149.218035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.218035][   T10]      dst_init+0x84/0x4a0
[ 1149.218035][   T10]      dst_alloc+0x97/0x150
[ 1149.218035][   T10]      ip6_dst_alloc+0x23/0x90
[ 1149.218035][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1149.218035][   T10]      ip6_pol_route+0x56f/0x840
[ 1149.218035][   T10]      fib6_rule_lookup+0x456/0x630
[ 1149.218035][   T10]      ip6_route_input+0x59c/0xa50
[ 1149.218035][   T10]      ipv6_rcv+0x397/0x810
[ 1149.218035][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1149.218035][   T10]      process_backlog+0x101/0x620
[ 1149.218035][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1149.218035][   T10]      net_rx_action+0x495/0xbe0
[ 1149.218035][   T10]      __do_softirq+0x1b5/0x7f6
[ 1149.218035][   T10] 
[ 1149.219733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.219733][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1149.219733][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1149.219733][   T10]      fib6_nh_init+0xa22/0x1580
[ 1149.219733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.219733][   T10]      ip6_route_add+0x1c/0x140
[ 1149.219733][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1149.219733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.219733][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.219733][   T10]      netlink_unicast+0x449/0x710
[ 1149.219733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.219733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.219733][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.219733][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.219733][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.219733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.219733][   T10] 
[ 1149.221673][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.221673][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.221673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.221673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.221673][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1149.221673][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1149.221673][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1149.221673][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1149.221673][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1149.221673][   T10]      addrconf_dad_begin+0x310/0x670
[ 1149.221673][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1149.221673][   T10]      process_one_work+0x84d/0x18a0
[ 1149.221673][   T10]      worker_thread+0x587/0xd30
[ 1149.221673][   T10]      kthread+0x28a/0x350
[ 1149.221673][   T10]      ret_from_fork+0x31/0x70
[ 1149.221673][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1149.221673][   T10] 
[ 1149.223651][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.223651][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.223651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.223651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.223651][   T10]      ip6_route_add+0x1c/0x140
[ 1149.223651][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1149.223651][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1149.223651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.223651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.223651][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.223651][   T10]      netlink_unicast+0x449/0x710
[ 1149.223651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.223651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.223651][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.223651][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.223651][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.223651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.223651][   T10] 
[ 1149.225730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.225730][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.225730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.225730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.225730][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1149.225730][   T10]      ipv6_add_addr+0x411/0x2000
[ 1149.225730][   T10]      inet6_addr_add+0x30e/0xa40
[ 1149.225730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.225730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.225730][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.225730][   T10]      netlink_unicast+0x449/0x710
[ 1149.225730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.225730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.225730][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.225730][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.225730][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.225730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.225730][   T10] 
[ 1149.227790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.227790][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.227790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.227790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.227790][   T10]      ip6_route_add+0x1c/0x140
[ 1149.227790][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1149.227790][   T10]      addrconf_add_dev+0xe2/0x170
[ 1149.227790][   T10]      inet6_addr_add+0x12f/0xa40
[ 1149.227790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.227790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.227790][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.227790][   T10]      netlink_unicast+0x449/0x710
[ 1149.227790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.227790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.227790][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.227790][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.227790][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.227790][   T10] 
[ 1149.229812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.229812][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1149.229812][   T10]      ipv6_find_idev+0x102/0x170
[ 1149.229812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1149.229812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.229812][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.229812][   T10]      netlink_unicast+0x449/0x710
[ 1149.229812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.229812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.229812][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.229812][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.229812][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.229812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.229812][   T10] 
[ 1149.231423][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1149.231423][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1149.231423][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1149.231423][   T10]      ipv6_find_idev+0x102/0x170
[ 1149.231423][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1149.231423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.231423][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.231423][   T10]      netlink_unicast+0x449/0x710
[ 1149.231423][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.231423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.231423][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.231423][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.231423][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.231423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.231423][   T10] 
[ 1149.233213][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1149.233458][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.233458][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1149.233458][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1149.233458][   T10]      fib6_nh_init+0xa22/0x1580
[ 1149.233458][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.233458][   T10]      ip6_route_add+0x1c/0x140
[ 1149.233458][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1149.233458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.233458][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.233458][   T10]      netlink_unicast+0x449/0x710
[ 1149.233458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.233458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.233458][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.233458][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.233458][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.233458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.233458][   T10] 
[ 1149.235763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.235763][   T10]      dst_init+0x84/0x4a0
[ 1149.235763][   T10]      dst_alloc+0x97/0x150
[ 1149.235763][   T10]      ip6_dst_alloc+0x23/0x90
[ 1149.235763][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1149.235763][   T10]      ip6_pol_route+0x56f/0x840
[ 1149.235763][   T10]      fib6_rule_lookup+0x456/0x630
[ 1149.235763][   T10]      ip6_route_input+0x59c/0xa50
[ 1149.235763][   T10]      ipv6_rcv+0x397/0x810
[ 1149.235763][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1149.235763][   T10]      process_backlog+0x101/0x620
[ 1149.235763][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1149.235763][   T10]      net_rx_action+0x495/0xbe0
[ 1149.235763][   T10]      __do_softirq+0x1b5/0x7f6
[ 1149.235763][   T10] 
[ 1149.237500][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.237500][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.237500][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.237500][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.237500][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1149.237500][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1149.237500][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1149.237500][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1149.237500][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1149.237500][   T10]      addrconf_dad_begin+0x310/0x670
[ 1149.237500][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1149.237500][   T10]      process_one_work+0x84d/0x18a0
[ 1149.237500][   T10]      worker_thread+0x587/0xd30
[ 1149.237500][   T10]      kthread+0x28a/0x350
[ 1149.237500][   T10]      ret_from_fork+0x31/0x70
[ 1149.237500][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1149.237500][   T10] 
[ 1149.239710][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.239710][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.239710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.239710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.239710][   T10]      ip6_route_add+0x1c/0x140
[ 1149.239710][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1149.239710][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1149.239710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.239710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.239710][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.239710][   T10]      netlink_unicast+0x449/0x710
[ 1149.239710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.239710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.239710][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.239710][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.239710][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.239710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.239710][   T10] 
[ 1149.242216][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.242216][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.242216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.242216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.242216][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1149.242216][   T10]      ipv6_add_addr+0x411/0x2000
[ 1149.242216][   T10]      inet6_addr_add+0x30e/0xa40
[ 1149.242216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.242216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.242216][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.242216][   T10]      netlink_unicast+0x449/0x710
[ 1149.242216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.242216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.242216][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.242216][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.242216][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.242216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.242216][   T10] 
[ 1149.244531][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.244531][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.244531][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.244531][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.244531][   T10]      ip6_route_add+0x1c/0x140
[ 1149.244531][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1149.244531][   T10]      addrconf_add_dev+0xe2/0x170
[ 1149.244531][   T10]      inet6_addr_add+0x12f/0xa40
[ 1149.244531][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.244531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.244531][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.244531][   T10]      netlink_unicast+0x449/0x710
[ 1149.244531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.244531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.244531][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.244531][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.244531][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.244531][   T10] 
[ 1149.246777][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.246777][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1149.246777][   T10]      ipv6_find_idev+0x102/0x170
[ 1149.246777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1149.246777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.246777][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.246777][   T10]      netlink_unicast+0x449/0x710
[ 1149.246777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.246777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.246777][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.246777][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.246777][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.246777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.246777][   T10] 
[ 1149.248587][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1149.248587][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1149.248587][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1149.248587][   T10]      ipv6_find_idev+0x102/0x170
[ 1149.248587][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1149.248587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.248587][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.248587][   T10]      netlink_unicast+0x449/0x710
[ 1149.248587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.248587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.248587][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.248587][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.248587][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.248587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.248587][   T10] 
[ 1149.250541][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1149.250813][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1149.250813][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.250813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.250813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.250813][   T10]      ip6_route_add+0x1c/0x140
[ 1149.250813][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1149.250813][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1149.250813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.250813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.250813][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.250813][   T10]      netlink_unicast+0x449/0x710
[ 1149.250813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.250813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.250813][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.250813][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.250813][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.250813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.250813][   T10] 
[ 1149.252990][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1149.252990][   T10]      netdev_get_by_index+0x5e/0x80
[ 1149.252990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1149.252990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1149.252990][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1149.252990][   T10]      ipv6_add_addr+0x411/0x2000
[ 1149.252990][   T10]      inet6_addr_add+0x30e/0xa40
[ 1149.252990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1149.252990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.252990][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.252990][   T10]      netlink_unicast+0x449/0x710
[ 1149.252990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.252990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.252990][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.252990][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.252990][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.252990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.252990][   T10] 
[ 1149.255138][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1149.255138][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1149.255138][   T10]      ipv6_find_idev+0x102/0x170
[ 1149.255138][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1149.255138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.255138][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.255138][   T10]      netlink_unicast+0x449/0x710
[ 1149.255138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.255138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.255138][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.255138][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.255138][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.255138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.255138][   T10] 
[ 1149.256708][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1149.256708][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1149.256708][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1149.256708][   T10]      ipv6_find_idev+0x102/0x170
[ 1149.256708][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1149.256708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1149.256708][   T10]      netlink_rcv_skb+0x130/0x360
[ 1149.256708][   T10]      netlink_unicast+0x449/0x710
[ 1149.256708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1149.256708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1149.256708][   T10]      ___sys_sendmsg+0xee/0x170
[ 1149.256708][   T10]      __sys_sendmsg+0xcd/0x170
[ 1149.256708][   T10]      do_syscall_64+0xc6/0x1e0
[ 1149.256708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1149.256708][   T10] 
[ 1159.392688][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1159.393104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.393104][   T10]      dst_init+0x84/0x4a0
[ 1159.393104][   T10]      dst_alloc+0x97/0x150
[ 1159.393104][   T10]      ip6_dst_alloc+0x23/0x90
[ 1159.393104][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1159.393104][   T10]      ip6_pol_route+0x56f/0x840
[ 1159.393104][   T10]      fib6_rule_lookup+0x456/0x630
[ 1159.393104][   T10]      ip6_route_input+0x59c/0xa50
[ 1159.393104][   T10]      ipv6_rcv+0x397/0x810
[ 1159.393104][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1159.393104][   T10]      process_backlog+0x101/0x620
[ 1159.393104][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1159.393104][   T10]      net_rx_action+0x495/0xbe0
[ 1159.393104][   T10]      __do_softirq+0x1b5/0x7f6
[ 1159.393104][   T10] 
[ 1159.394898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.394898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1159.394898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1159.394898][   T10]      fib6_nh_init+0xa22/0x1580
[ 1159.394898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.394898][   T10]      ip6_route_add+0x1c/0x140
[ 1159.394898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1159.394898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.394898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.394898][   T10]      netlink_unicast+0x449/0x710
[ 1159.394898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.394898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.394898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.394898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.394898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.394898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.394898][   T10] 
[ 1159.396868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.396868][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.396868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.396868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.396868][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1159.396868][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1159.396868][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1159.396868][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1159.396868][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1159.396868][   T10]      addrconf_dad_begin+0x310/0x670
[ 1159.396868][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1159.396868][   T10]      process_one_work+0x84d/0x18a0
[ 1159.396868][   T10]      worker_thread+0x587/0xd30
[ 1159.396868][   T10]      kthread+0x28a/0x350
[ 1159.396868][   T10]      ret_from_fork+0x31/0x70
[ 1159.396868][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1159.396868][   T10] 
[ 1159.398833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.398833][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.398833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.398833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.398833][   T10]      ip6_route_add+0x1c/0x140
[ 1159.398833][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1159.398833][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1159.398833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.398833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.398833][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.398833][   T10]      netlink_unicast+0x449/0x710
[ 1159.398833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.398833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.398833][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.398833][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.398833][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.398833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.398833][   T10] 
[ 1159.400944][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.400944][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.400944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.400944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.400944][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1159.400944][   T10]      ipv6_add_addr+0x411/0x2000
[ 1159.400944][   T10]      inet6_addr_add+0x30e/0xa40
[ 1159.400944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.400944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.400944][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.400944][   T10]      netlink_unicast+0x449/0x710
[ 1159.400944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.400944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.400944][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.400944][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.400944][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.400944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.400944][   T10] 
[ 1159.403046][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.403046][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.403046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.403046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.403046][   T10]      ip6_route_add+0x1c/0x140
[ 1159.403046][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1159.403046][   T10]      addrconf_add_dev+0xe2/0x170
[ 1159.403046][   T10]      inet6_addr_add+0x12f/0xa40
[ 1159.403046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.403046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.403046][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.403046][   T10]      netlink_unicast+0x449/0x710
[ 1159.403046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.403046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.403046][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.403046][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.403046][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.403046][   T10] 
[ 1159.405411][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.405411][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1159.405411][   T10]      ipv6_find_idev+0x102/0x170
[ 1159.405411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1159.405411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.405411][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.405411][   T10]      netlink_unicast+0x449/0x710
[ 1159.405411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.405411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.405411][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.405411][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.405411][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.405411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.405411][   T10] 
[ 1159.407127][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1159.407127][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1159.407127][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1159.407127][   T10]      ipv6_find_idev+0x102/0x170
[ 1159.407127][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1159.407127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.407127][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.407127][   T10]      netlink_unicast+0x449/0x710
[ 1159.407127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.407127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.407127][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.407127][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.407127][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.407127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.407127][   T10] 
[ 1159.409152][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1159.409399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.409399][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1159.409399][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1159.409399][   T10]      fib6_nh_init+0xa22/0x1580
[ 1159.409399][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.409399][   T10]      ip6_route_add+0x1c/0x140
[ 1159.409399][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1159.409399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.409399][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.409399][   T10]      netlink_unicast+0x449/0x710
[ 1159.409399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.409399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.409399][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.409399][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.409399][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.409399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.409399][   T10] 
[ 1159.411470][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.411470][   T10]      dst_init+0x84/0x4a0
[ 1159.411470][   T10]      dst_alloc+0x97/0x150
[ 1159.411470][   T10]      ip6_dst_alloc+0x23/0x90
[ 1159.411470][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1159.411470][   T10]      ip6_pol_route+0x56f/0x840
[ 1159.411470][   T10]      fib6_rule_lookup+0x456/0x630
[ 1159.411470][   T10]      ip6_route_input+0x59c/0xa50
[ 1159.411470][   T10]      ipv6_rcv+0x397/0x810
[ 1159.411470][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1159.411470][   T10]      process_backlog+0x101/0x620
[ 1159.411470][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1159.411470][   T10]      net_rx_action+0x495/0xbe0
[ 1159.411470][   T10]      __do_softirq+0x1b5/0x7f6
[ 1159.411470][   T10] 
[ 1159.413414][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.413414][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.413414][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.413414][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.413414][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1159.413414][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1159.413414][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1159.413414][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1159.413414][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1159.413414][   T10]      addrconf_dad_begin+0x310/0x670
[ 1159.413414][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1159.413414][   T10]      process_one_work+0x84d/0x18a0
[ 1159.413414][   T10]      worker_thread+0x587/0xd30
[ 1159.413414][   T10]      kthread+0x28a/0x350
[ 1159.413414][   T10]      ret_from_fork+0x31/0x70
[ 1159.413414][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1159.413414][   T10] 
[ 1159.415529][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.415529][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.415529][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.415529][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.415529][   T10]      ip6_route_add+0x1c/0x140
[ 1159.415529][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1159.415529][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1159.415529][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.415529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.415529][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.415529][   T10]      netlink_unicast+0x449/0x710
[ 1159.415529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.415529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.415529][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.415529][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.415529][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.415529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.415529][   T10] 
[ 1159.417769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.417769][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.417769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.417769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.417769][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1159.417769][   T10]      ipv6_add_addr+0x411/0x2000
[ 1159.417769][   T10]      inet6_addr_add+0x30e/0xa40
[ 1159.417769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.417769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.417769][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.417769][   T10]      netlink_unicast+0x449/0x710
[ 1159.417769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.417769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.417769][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.417769][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.417769][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.417769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.417769][   T10] 
[ 1159.420091][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.420091][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.420091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.420091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.420091][   T10]      ip6_route_add+0x1c/0x140
[ 1159.420091][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1159.420091][   T10]      addrconf_add_dev+0xe2/0x170
[ 1159.420091][   T10]      inet6_addr_add+0x12f/0xa40
[ 1159.420091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.420091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.420091][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.420091][   T10]      netlink_unicast+0x449/0x710
[ 1159.420091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.420091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.420091][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.420091][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.420091][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.420091][   T10] 
[ 1159.422363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.422363][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1159.422363][   T10]      ipv6_find_idev+0x102/0x170
[ 1159.422363][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1159.422363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.422363][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.422363][   T10]      netlink_unicast+0x449/0x710
[ 1159.422363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.422363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.422363][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.422363][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.422363][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.422363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.422363][   T10] 
[ 1159.424251][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1159.424251][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1159.424251][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1159.424251][   T10]      ipv6_find_idev+0x102/0x170
[ 1159.424251][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1159.424251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.424251][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.424251][   T10]      netlink_unicast+0x449/0x710
[ 1159.424251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.424251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.424251][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.424251][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.424251][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.424251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.424251][   T10] 
[ 1159.426306][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1159.426566][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1159.426566][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.426566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.426566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.426566][   T10]      ip6_route_add+0x1c/0x140
[ 1159.426566][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1159.426566][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1159.426566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.426566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.426566][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.426566][   T10]      netlink_unicast+0x449/0x710
[ 1159.426566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.426566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.426566][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.426566][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.426566][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.426566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.426566][   T10] 
[ 1159.428708][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1159.428708][   T10]      netdev_get_by_index+0x5e/0x80
[ 1159.428708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1159.428708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1159.428708][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1159.428708][   T10]      ipv6_add_addr+0x411/0x2000
[ 1159.428708][   T10]      inet6_addr_add+0x30e/0xa40
[ 1159.428708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1159.428708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.428708][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.428708][   T10]      netlink_unicast+0x449/0x710
[ 1159.428708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.428708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.428708][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.428708][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.428708][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.428708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.428708][   T10] 
[ 1159.431261][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1159.431261][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1159.431261][   T10]      ipv6_find_idev+0x102/0x170
[ 1159.431261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1159.431261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.431261][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.431261][   T10]      netlink_unicast+0x449/0x710
[ 1159.431261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.431261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.431261][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.431261][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.431261][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.431261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.431261][   T10] 
[ 1159.433110][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1159.433110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1159.433110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1159.433110][   T10]      ipv6_find_idev+0x102/0x170
[ 1159.433110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1159.433110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1159.433110][   T10]      netlink_rcv_skb+0x130/0x360
[ 1159.433110][   T10]      netlink_unicast+0x449/0x710
[ 1159.433110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1159.433110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1159.433110][   T10]      ___sys_sendmsg+0xee/0x170
[ 1159.433110][   T10]      __sys_sendmsg+0xcd/0x170
[ 1159.433110][   T10]      do_syscall_64+0xc6/0x1e0
[ 1159.433110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1159.433110][   T10] 
[ 1169.552690][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1169.553110][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.553110][   T10]      dst_init+0x84/0x4a0
[ 1169.553110][   T10]      dst_alloc+0x97/0x150
[ 1169.553110][   T10]      ip6_dst_alloc+0x23/0x90
[ 1169.553110][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1169.553110][   T10]      ip6_pol_route+0x56f/0x840
[ 1169.553110][   T10]      fib6_rule_lookup+0x456/0x630
[ 1169.553110][   T10]      ip6_route_input+0x59c/0xa50
[ 1169.553110][   T10]      ipv6_rcv+0x397/0x810
[ 1169.553110][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1169.553110][   T10]      process_backlog+0x101/0x620
[ 1169.553110][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1169.553110][   T10]      net_rx_action+0x495/0xbe0
[ 1169.553110][   T10]      __do_softirq+0x1b5/0x7f6
[ 1169.553110][   T10] 
[ 1169.554846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.554846][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1169.554846][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1169.554846][   T10]      fib6_nh_init+0xa22/0x1580
[ 1169.554846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.554846][   T10]      ip6_route_add+0x1c/0x140
[ 1169.554846][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1169.554846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.554846][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.554846][   T10]      netlink_unicast+0x449/0x710
[ 1169.554846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.554846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.554846][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.554846][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.554846][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.554846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.554846][   T10] 
[ 1169.556794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.556794][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.556794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.556794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.556794][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1169.556794][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1169.556794][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1169.556794][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1169.556794][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1169.556794][   T10]      addrconf_dad_begin+0x310/0x670
[ 1169.556794][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1169.556794][   T10]      process_one_work+0x84d/0x18a0
[ 1169.556794][   T10]      worker_thread+0x587/0xd30
[ 1169.556794][   T10]      kthread+0x28a/0x350
[ 1169.556794][   T10]      ret_from_fork+0x31/0x70
[ 1169.556794][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1169.556794][   T10] 
[ 1169.558742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.558742][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.558742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.558742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.558742][   T10]      ip6_route_add+0x1c/0x140
[ 1169.558742][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1169.558742][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1169.558742][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.558742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.558742][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.558742][   T10]      netlink_unicast+0x449/0x710
[ 1169.558742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.558742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.558742][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.558742][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.558742][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.558742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.558742][   T10] 
[ 1169.560943][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.560943][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.560943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.560943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.560943][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1169.560943][   T10]      ipv6_add_addr+0x411/0x2000
[ 1169.560943][   T10]      inet6_addr_add+0x30e/0xa40
[ 1169.560943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.560943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.560943][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.560943][   T10]      netlink_unicast+0x449/0x710
[ 1169.560943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.560943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.560943][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.560943][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.560943][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.560943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.560943][   T10] 
[ 1169.563007][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.563007][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.563007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.563007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.563007][   T10]      ip6_route_add+0x1c/0x140
[ 1169.563007][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1169.563007][   T10]      addrconf_add_dev+0xe2/0x170
[ 1169.563007][   T10]      inet6_addr_add+0x12f/0xa40
[ 1169.563007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.563007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.563007][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.563007][   T10]      netlink_unicast+0x449/0x710
[ 1169.563007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.563007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.563007][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.563007][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.563007][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.563007][   T10] 
[ 1169.565045][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.565045][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1169.565045][   T10]      ipv6_find_idev+0x102/0x170
[ 1169.565045][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1169.565045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.565045][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.565045][   T10]      netlink_unicast+0x449/0x710
[ 1169.565045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.565045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.565045][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.565045][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.565045][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.565045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.565045][   T10] 
[ 1169.566636][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1169.566636][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1169.566636][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1169.566636][   T10]      ipv6_find_idev+0x102/0x170
[ 1169.566636][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1169.566636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.566636][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.566636][   T10]      netlink_unicast+0x449/0x710
[ 1169.566636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.566636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.566636][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.566636][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.566636][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.566636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.566636][   T10] 
[ 1169.568363][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1169.568608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.568608][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1169.568608][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1169.568608][   T10]      fib6_nh_init+0xa22/0x1580
[ 1169.568608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.568608][   T10]      ip6_route_add+0x1c/0x140
[ 1169.568608][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1169.568608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.568608][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.568608][   T10]      netlink_unicast+0x449/0x710
[ 1169.568608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.568608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.568608][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.568608][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.568608][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.568608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.568608][   T10] 
[ 1169.570978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.570978][   T10]      dst_init+0x84/0x4a0
[ 1169.570978][   T10]      dst_alloc+0x97/0x150
[ 1169.570978][   T10]      ip6_dst_alloc+0x23/0x90
[ 1169.570978][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1169.570978][   T10]      ip6_pol_route+0x56f/0x840
[ 1169.570978][   T10]      fib6_rule_lookup+0x456/0x630
[ 1169.570978][   T10]      ip6_route_input+0x59c/0xa50
[ 1169.570978][   T10]      ipv6_rcv+0x397/0x810
[ 1169.570978][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1169.570978][   T10]      process_backlog+0x101/0x620
[ 1169.570978][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1169.570978][   T10]      net_rx_action+0x495/0xbe0
[ 1169.570978][   T10]      __do_softirq+0x1b5/0x7f6
[ 1169.570978][   T10] 
[ 1169.572651][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.572651][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.572651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.572651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.572651][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1169.572651][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1169.572651][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1169.572651][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1169.572651][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1169.572651][   T10]      addrconf_dad_begin+0x310/0x670
[ 1169.572651][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1169.572651][   T10]      process_one_work+0x84d/0x18a0
[ 1169.572651][   T10]      worker_thread+0x587/0xd30
[ 1169.572651][   T10]      kthread+0x28a/0x350
[ 1169.572651][   T10]      ret_from_fork+0x31/0x70
[ 1169.572651][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1169.572651][   T10] 
[ 1169.574859][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.574859][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.574859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.574859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.574859][   T10]      ip6_route_add+0x1c/0x140
[ 1169.574859][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1169.574859][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1169.574859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.574859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.574859][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.574859][   T10]      netlink_unicast+0x449/0x710
[ 1169.574859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.574859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.574859][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.574859][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.574859][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.574859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.574859][   T10] 
[ 1169.577254][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.577254][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.577254][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.577254][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.577254][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1169.577254][   T10]      ipv6_add_addr+0x411/0x2000
[ 1169.577254][   T10]      inet6_addr_add+0x30e/0xa40
[ 1169.577254][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.577254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.577254][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.577254][   T10]      netlink_unicast+0x449/0x710
[ 1169.577254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.577254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.577254][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.577254][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.577254][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.577254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.577254][   T10] 
[ 1169.579469][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.579469][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.579469][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.579469][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.579469][   T10]      ip6_route_add+0x1c/0x140
[ 1169.579469][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1169.579469][   T10]      addrconf_add_dev+0xe2/0x170
[ 1169.579469][   T10]      inet6_addr_add+0x12f/0xa40
[ 1169.579469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.579469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.579469][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.579469][   T10]      netlink_unicast+0x449/0x710
[ 1169.579469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.579469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.579469][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.579469][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.579469][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.579469][   T10] 
[ 1169.581620][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.581620][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1169.581620][   T10]      ipv6_find_idev+0x102/0x170
[ 1169.581620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1169.581620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.581620][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.581620][   T10]      netlink_unicast+0x449/0x710
[ 1169.581620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.581620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.581620][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.581620][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.581620][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.581620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.581620][   T10] 
[ 1169.583367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1169.583367][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1169.583367][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1169.583367][   T10]      ipv6_find_idev+0x102/0x170
[ 1169.583367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1169.583367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.583367][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.583367][   T10]      netlink_unicast+0x449/0x710
[ 1169.583367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.583367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.583367][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.583367][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.583367][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.583367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.583367][   T10] 
[ 1169.585294][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1169.585534][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1169.585534][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.585534][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.585534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.585534][   T10]      ip6_route_add+0x1c/0x140
[ 1169.585534][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1169.585534][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1169.585534][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.585534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.585534][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.585534][   T10]      netlink_unicast+0x449/0x710
[ 1169.585534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.585534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.585534][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.585534][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.585534][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.585534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.585534][   T10] 
[ 1169.587592][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1169.587592][   T10]      netdev_get_by_index+0x5e/0x80
[ 1169.587592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1169.587592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1169.587592][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1169.587592][   T10]      ipv6_add_addr+0x411/0x2000
[ 1169.587592][   T10]      inet6_addr_add+0x30e/0xa40
[ 1169.587592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1169.587592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.587592][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.587592][   T10]      netlink_unicast+0x449/0x710
[ 1169.587592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.587592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.587592][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.587592][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.587592][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.587592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.587592][   T10] 
[ 1169.589996][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1169.589996][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1169.589996][   T10]      ipv6_find_idev+0x102/0x170
[ 1169.589996][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1169.589996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.589996][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.589996][   T10]      netlink_unicast+0x449/0x710
[ 1169.589996][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.589996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.589996][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.589996][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.589996][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.589996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.589996][   T10] 
[ 1169.591706][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1169.591706][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1169.591706][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1169.591706][   T10]      ipv6_find_idev+0x102/0x170
[ 1169.591706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1169.591706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1169.591706][   T10]      netlink_rcv_skb+0x130/0x360
[ 1169.591706][   T10]      netlink_unicast+0x449/0x710
[ 1169.591706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1169.591706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1169.591706][   T10]      ___sys_sendmsg+0xee/0x170
[ 1169.591706][   T10]      __sys_sendmsg+0xcd/0x170
[ 1169.591706][   T10]      do_syscall_64+0xc6/0x1e0
[ 1169.591706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1169.591706][   T10] 
[ 1179.729686][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1179.730137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.730137][   T10]      dst_init+0x84/0x4a0
[ 1179.730137][   T10]      dst_alloc+0x97/0x150
[ 1179.730137][   T10]      ip6_dst_alloc+0x23/0x90
[ 1179.730137][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1179.730137][   T10]      ip6_pol_route+0x56f/0x840
[ 1179.730137][   T10]      fib6_rule_lookup+0x456/0x630
[ 1179.730137][   T10]      ip6_route_input+0x59c/0xa50
[ 1179.730137][   T10]      ipv6_rcv+0x397/0x810
[ 1179.730137][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1179.730137][   T10]      process_backlog+0x101/0x620
[ 1179.730137][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1179.730137][   T10]      net_rx_action+0x495/0xbe0
[ 1179.730137][   T10]      __do_softirq+0x1b5/0x7f6
[ 1179.730137][   T10] 
[ 1179.731876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.731876][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1179.731876][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1179.731876][   T10]      fib6_nh_init+0xa22/0x1580
[ 1179.731876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.731876][   T10]      ip6_route_add+0x1c/0x140
[ 1179.731876][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1179.731876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.731876][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.731876][   T10]      netlink_unicast+0x449/0x710
[ 1179.731876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.731876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.731876][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.731876][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.731876][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.731876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.731876][   T10] 
[ 1179.733848][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.733848][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.733848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.733848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.733848][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1179.733848][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1179.733848][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1179.733848][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1179.733848][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1179.733848][   T10]      addrconf_dad_begin+0x310/0x670
[ 1179.733848][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1179.733848][   T10]      process_one_work+0x84d/0x18a0
[ 1179.733848][   T10]      worker_thread+0x587/0xd30
[ 1179.733848][   T10]      kthread+0x28a/0x350
[ 1179.733848][   T10]      ret_from_fork+0x31/0x70
[ 1179.733848][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1179.733848][   T10] 
[ 1179.735816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.735816][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.735816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.735816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.735816][   T10]      ip6_route_add+0x1c/0x140
[ 1179.735816][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1179.735816][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1179.735816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.735816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.735816][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.735816][   T10]      netlink_unicast+0x449/0x710
[ 1179.735816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.735816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.735816][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.735816][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.735816][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.735816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.735816][   T10] 
[ 1179.737888][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.737888][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.737888][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.737888][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.737888][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1179.737888][   T10]      ipv6_add_addr+0x411/0x2000
[ 1179.737888][   T10]      inet6_addr_add+0x30e/0xa40
[ 1179.737888][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.737888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.737888][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.737888][   T10]      netlink_unicast+0x449/0x710
[ 1179.737888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.737888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.737888][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.737888][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.737888][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.737888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.737888][   T10] 
[ 1179.739937][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.739937][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.739937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.739937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.739937][   T10]      ip6_route_add+0x1c/0x140
[ 1179.739937][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1179.739937][   T10]      addrconf_add_dev+0xe2/0x170
[ 1179.739937][   T10]      inet6_addr_add+0x12f/0xa40
[ 1179.739937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.739937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.739937][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.739937][   T10]      netlink_unicast+0x449/0x710
[ 1179.739937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.739937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.739937][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.739937][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.739937][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.739937][   T10] 
[ 1179.741974][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.741974][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1179.741974][   T10]      ipv6_find_idev+0x102/0x170
[ 1179.741974][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1179.741974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.741974][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.741974][   T10]      netlink_unicast+0x449/0x710
[ 1179.741974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.741974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.741974][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.741974][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.741974][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.741974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.741974][   T10] 
[ 1179.743568][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1179.743568][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1179.743568][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1179.743568][   T10]      ipv6_find_idev+0x102/0x170
[ 1179.743568][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1179.743568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.743568][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.743568][   T10]      netlink_unicast+0x449/0x710
[ 1179.743568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.743568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.743568][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.743568][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.743568][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.743568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.743568][   T10] 
[ 1179.745338][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1179.745733][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.745733][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1179.745733][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1179.745733][   T10]      fib6_nh_init+0xa22/0x1580
[ 1179.745733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.745733][   T10]      ip6_route_add+0x1c/0x140
[ 1179.745733][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1179.745733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.745733][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.745733][   T10]      netlink_unicast+0x449/0x710
[ 1179.745733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.745733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.745733][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.745733][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.745733][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.745733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.745733][   T10] 
[ 1179.747845][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.747845][   T10]      dst_init+0x84/0x4a0
[ 1179.747845][   T10]      dst_alloc+0x97/0x150
[ 1179.747845][   T10]      ip6_dst_alloc+0x23/0x90
[ 1179.747845][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1179.747845][   T10]      ip6_pol_route+0x56f/0x840
[ 1179.747845][   T10]      fib6_rule_lookup+0x456/0x630
[ 1179.747845][   T10]      ip6_route_input+0x59c/0xa50
[ 1179.747845][   T10]      ipv6_rcv+0x397/0x810
[ 1179.747845][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1179.747845][   T10]      process_backlog+0x101/0x620
[ 1179.747845][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1179.747845][   T10]      net_rx_action+0x495/0xbe0
[ 1179.747845][   T10]      __do_softirq+0x1b5/0x7f6
[ 1179.747845][   T10] 
[ 1179.749758][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.749758][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.749758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.749758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.749758][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1179.749758][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1179.749758][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1179.749758][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1179.749758][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1179.749758][   T10]      addrconf_dad_begin+0x310/0x670
[ 1179.749758][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1179.749758][   T10]      process_one_work+0x84d/0x18a0
[ 1179.749758][   T10]      worker_thread+0x587/0xd30
[ 1179.749758][   T10]      kthread+0x28a/0x350
[ 1179.749758][   T10]      ret_from_fork+0x31/0x70
[ 1179.749758][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1179.749758][   T10] 
[ 1179.751824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.751824][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.751824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.751824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.751824][   T10]      ip6_route_add+0x1c/0x140
[ 1179.751824][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1179.751824][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1179.751824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.751824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.751824][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.751824][   T10]      netlink_unicast+0x449/0x710
[ 1179.751824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.751824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.751824][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.751824][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.751824][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.751824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.751824][   T10] 
[ 1179.754306][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.754306][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.754306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.754306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.754306][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1179.754306][   T10]      ipv6_add_addr+0x411/0x2000
[ 1179.754306][   T10]      inet6_addr_add+0x30e/0xa40
[ 1179.754306][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.754306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.754306][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.754306][   T10]      netlink_unicast+0x449/0x710
[ 1179.754306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.754306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.754306][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.754306][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.754306][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.754306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.754306][   T10] 
[ 1179.756534][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.756534][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.756534][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.756534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.756534][   T10]      ip6_route_add+0x1c/0x140
[ 1179.756534][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1179.756534][   T10]      addrconf_add_dev+0xe2/0x170
[ 1179.756534][   T10]      inet6_addr_add+0x12f/0xa40
[ 1179.756534][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.756534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.756534][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.756534][   T10]      netlink_unicast+0x449/0x710
[ 1179.756534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.756534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.756534][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.756534][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.756534][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.756534][   T10] 
[ 1179.758902][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.758902][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1179.758902][   T10]      ipv6_find_idev+0x102/0x170
[ 1179.758902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1179.758902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.758902][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.758902][   T10]      netlink_unicast+0x449/0x710
[ 1179.758902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.758902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.758902][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.758902][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.758902][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.758902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.758902][   T10] 
[ 1179.760659][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1179.760659][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1179.760659][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1179.760659][   T10]      ipv6_find_idev+0x102/0x170
[ 1179.760659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1179.760659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.760659][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.760659][   T10]      netlink_unicast+0x449/0x710
[ 1179.760659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.760659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.760659][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.760659][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.760659][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.760659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.760659][   T10] 
[ 1179.762628][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1179.762874][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1179.762874][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.762874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.762874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.762874][   T10]      ip6_route_add+0x1c/0x140
[ 1179.762874][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1179.762874][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1179.762874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.762874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.762874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.762874][   T10]      netlink_unicast+0x449/0x710
[ 1179.762874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.762874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.762874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.762874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.762874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.762874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.762874][   T10] 
[ 1179.765121][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1179.765121][   T10]      netdev_get_by_index+0x5e/0x80
[ 1179.765121][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1179.765121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1179.765121][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1179.765121][   T10]      ipv6_add_addr+0x411/0x2000
[ 1179.765121][   T10]      inet6_addr_add+0x30e/0xa40
[ 1179.765121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1179.765121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.765121][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.765121][   T10]      netlink_unicast+0x449/0x710
[ 1179.765121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.765121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.765121][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.765121][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.765121][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.765121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.765121][   T10] 
[ 1179.767473][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1179.767473][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1179.767473][   T10]      ipv6_find_idev+0x102/0x170
[ 1179.767473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1179.767473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.767473][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.767473][   T10]      netlink_unicast+0x449/0x710
[ 1179.767473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.767473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.767473][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.767473][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.767473][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.767473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.767473][   T10] 
[ 1179.769228][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1179.769228][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1179.769228][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1179.769228][   T10]      ipv6_find_idev+0x102/0x170
[ 1179.769228][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1179.769228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1179.769228][   T10]      netlink_rcv_skb+0x130/0x360
[ 1179.769228][   T10]      netlink_unicast+0x449/0x710
[ 1179.769228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1179.769228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1179.769228][   T10]      ___sys_sendmsg+0xee/0x170
[ 1179.769228][   T10]      __sys_sendmsg+0xcd/0x170
[ 1179.769228][   T10]      do_syscall_64+0xc6/0x1e0
[ 1179.769228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1179.769228][   T10] 
[ 1189.880611][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1189.881033][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.881033][   T10]      dst_init+0x84/0x4a0
[ 1189.881033][   T10]      dst_alloc+0x97/0x150
[ 1189.881033][   T10]      ip6_dst_alloc+0x23/0x90
[ 1189.881033][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1189.881033][   T10]      ip6_pol_route+0x56f/0x840
[ 1189.881033][   T10]      fib6_rule_lookup+0x456/0x630
[ 1189.881033][   T10]      ip6_route_input+0x59c/0xa50
[ 1189.881033][   T10]      ipv6_rcv+0x397/0x810
[ 1189.881033][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1189.881033][   T10]      process_backlog+0x101/0x620
[ 1189.881033][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1189.881033][   T10]      net_rx_action+0x495/0xbe0
[ 1189.881033][   T10]      __do_softirq+0x1b5/0x7f6
[ 1189.881033][   T10] 
[ 1189.882770][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.882770][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1189.882770][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1189.882770][   T10]      fib6_nh_init+0xa22/0x1580
[ 1189.882770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.882770][   T10]      ip6_route_add+0x1c/0x140
[ 1189.882770][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1189.882770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.882770][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.882770][   T10]      netlink_unicast+0x449/0x710
[ 1189.882770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.882770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.882770][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.882770][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.882770][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.882770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.882770][   T10] 
[ 1189.884749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.884749][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.884749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.884749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.884749][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1189.884749][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1189.884749][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1189.884749][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1189.884749][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1189.884749][   T10]      addrconf_dad_begin+0x310/0x670
[ 1189.884749][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1189.884749][   T10]      process_one_work+0x84d/0x18a0
[ 1189.884749][   T10]      worker_thread+0x587/0xd30
[ 1189.884749][   T10]      kthread+0x28a/0x350
[ 1189.884749][   T10]      ret_from_fork+0x31/0x70
[ 1189.884749][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1189.884749][   T10] 
[ 1189.886746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.886746][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.886746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.886746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.886746][   T10]      ip6_route_add+0x1c/0x140
[ 1189.886746][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1189.886746][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1189.886746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.886746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.886746][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.886746][   T10]      netlink_unicast+0x449/0x710
[ 1189.886746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.886746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.886746][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.886746][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.886746][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.886746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.886746][   T10] 
[ 1189.888801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.888801][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.888801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.888801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.888801][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1189.888801][   T10]      ipv6_add_addr+0x411/0x2000
[ 1189.888801][   T10]      inet6_addr_add+0x30e/0xa40
[ 1189.888801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.888801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.888801][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.888801][   T10]      netlink_unicast+0x449/0x710
[ 1189.888801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.888801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.888801][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.888801][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.888801][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.888801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.888801][   T10] 
[ 1189.890886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.890886][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.890886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.890886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.890886][   T10]      ip6_route_add+0x1c/0x140
[ 1189.890886][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1189.890886][   T10]      addrconf_add_dev+0xe2/0x170
[ 1189.890886][   T10]      inet6_addr_add+0x12f/0xa40
[ 1189.890886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.890886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.890886][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.890886][   T10]      netlink_unicast+0x449/0x710
[ 1189.890886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.890886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.890886][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.890886][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.890886][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.890886][   T10] 
[ 1189.892981][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.892981][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1189.892981][   T10]      ipv6_find_idev+0x102/0x170
[ 1189.892981][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1189.892981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.892981][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.892981][   T10]      netlink_unicast+0x449/0x710
[ 1189.892981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.892981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.892981][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.892981][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.892981][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.892981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.892981][   T10] 
[ 1189.894646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1189.894646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1189.894646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1189.894646][   T10]      ipv6_find_idev+0x102/0x170
[ 1189.894646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1189.894646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.894646][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.894646][   T10]      netlink_unicast+0x449/0x710
[ 1189.894646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.894646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.894646][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.894646][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.894646][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.894646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.894646][   T10] 
[ 1189.897046][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1189.897293][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.897293][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1189.897293][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1189.897293][   T10]      fib6_nh_init+0xa22/0x1580
[ 1189.897293][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.897293][   T10]      ip6_route_add+0x1c/0x140
[ 1189.897293][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1189.897293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.897293][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.897293][   T10]      netlink_unicast+0x449/0x710
[ 1189.897293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.897293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.897293][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.897293][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.897293][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.897293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.897293][   T10] 
[ 1189.899523][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.899523][   T10]      dst_init+0x84/0x4a0
[ 1189.899523][   T10]      dst_alloc+0x97/0x150
[ 1189.899523][   T10]      ip6_dst_alloc+0x23/0x90
[ 1189.899523][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1189.899523][   T10]      ip6_pol_route+0x56f/0x840
[ 1189.899523][   T10]      fib6_rule_lookup+0x456/0x630
[ 1189.899523][   T10]      ip6_route_input+0x59c/0xa50
[ 1189.899523][   T10]      ipv6_rcv+0x397/0x810
[ 1189.899523][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1189.899523][   T10]      process_backlog+0x101/0x620
[ 1189.899523][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1189.899523][   T10]      net_rx_action+0x495/0xbe0
[ 1189.899523][   T10]      __do_softirq+0x1b5/0x7f6
[ 1189.899523][   T10] 
[ 1189.901343][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.901343][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.901343][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.901343][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.901343][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1189.901343][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1189.901343][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1189.901343][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1189.901343][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1189.901343][   T10]      addrconf_dad_begin+0x310/0x670
[ 1189.901343][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1189.901343][   T10]      process_one_work+0x84d/0x18a0
[ 1189.901343][   T10]      worker_thread+0x587/0xd30
[ 1189.901343][   T10]      kthread+0x28a/0x350
[ 1189.901343][   T10]      ret_from_fork+0x31/0x70
[ 1189.901343][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1189.901343][   T10] 
[ 1189.903561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.903561][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.903561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.903561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.903561][   T10]      ip6_route_add+0x1c/0x140
[ 1189.903561][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1189.903561][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1189.903561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.903561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.903561][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.903561][   T10]      netlink_unicast+0x449/0x710
[ 1189.903561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.903561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.903561][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.903561][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.903561][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.903561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.903561][   T10] 
[ 1189.905972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.905972][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.905972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.905972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.905972][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1189.905972][   T10]      ipv6_add_addr+0x411/0x2000
[ 1189.905972][   T10]      inet6_addr_add+0x30e/0xa40
[ 1189.905972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.905972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.905972][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.905972][   T10]      netlink_unicast+0x449/0x710
[ 1189.905972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.905972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.905972][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.905972][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.905972][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.905972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.905972][   T10] 
[ 1189.908252][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.908252][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.908252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.908252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.908252][   T10]      ip6_route_add+0x1c/0x140
[ 1189.908252][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1189.908252][   T10]      addrconf_add_dev+0xe2/0x170
[ 1189.908252][   T10]      inet6_addr_add+0x12f/0xa40
[ 1189.908252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.908252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.908252][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.908252][   T10]      netlink_unicast+0x449/0x710
[ 1189.908252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.908252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.908252][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.908252][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.908252][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.908252][   T10] 
[ 1189.910501][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.910501][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1189.910501][   T10]      ipv6_find_idev+0x102/0x170
[ 1189.910501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1189.910501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.910501][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.910501][   T10]      netlink_unicast+0x449/0x710
[ 1189.910501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.910501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.910501][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.910501][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.910501][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.910501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.910501][   T10] 
[ 1189.912300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1189.912300][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1189.912300][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1189.912300][   T10]      ipv6_find_idev+0x102/0x170
[ 1189.912300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1189.912300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.912300][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.912300][   T10]      netlink_unicast+0x449/0x710
[ 1189.912300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.912300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.912300][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.912300][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.912300][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.912300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.912300][   T10] 
[ 1189.914264][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1189.914511][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1189.914511][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.914511][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.914511][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.914511][   T10]      ip6_route_add+0x1c/0x140
[ 1189.914511][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1189.914511][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1189.914511][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.914511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.914511][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.914511][   T10]      netlink_unicast+0x449/0x710
[ 1189.914511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.914511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.914511][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.914511][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.914511][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.914511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.914511][   T10] 
[ 1189.916809][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1189.916809][   T10]      netdev_get_by_index+0x5e/0x80
[ 1189.916809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1189.916809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1189.916809][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1189.916809][   T10]      ipv6_add_addr+0x411/0x2000
[ 1189.916809][   T10]      inet6_addr_add+0x30e/0xa40
[ 1189.916809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1189.916809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.916809][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.916809][   T10]      netlink_unicast+0x449/0x710
[ 1189.916809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.916809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.916809][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.916809][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.916809][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.916809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.916809][   T10] 
[ 1189.919285][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1189.919285][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1189.919285][   T10]      ipv6_find_idev+0x102/0x170
[ 1189.919285][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1189.919285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.919285][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.919285][   T10]      netlink_unicast+0x449/0x710
[ 1189.919285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.919285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.919285][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.919285][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.919285][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.919285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.919285][   T10] 
[ 1189.921005][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1189.921005][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1189.921005][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1189.921005][   T10]      ipv6_find_idev+0x102/0x170
[ 1189.921005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1189.921005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1189.921005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1189.921005][   T10]      netlink_unicast+0x449/0x710
[ 1189.921005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1189.921005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1189.921005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1189.921005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1189.921005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1189.921005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1189.921005][   T10] 
[ 1200.032710][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1200.033036][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.033036][   T10]      dst_init+0x84/0x4a0
[ 1200.033036][   T10]      dst_alloc+0x97/0x150
[ 1200.033036][   T10]      ip6_dst_alloc+0x23/0x90
[ 1200.033036][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1200.033036][   T10]      ip6_pol_route+0x56f/0x840
[ 1200.033036][   T10]      fib6_rule_lookup+0x456/0x630
[ 1200.033036][   T10]      ip6_route_input+0x59c/0xa50
[ 1200.033036][   T10]      ipv6_rcv+0x397/0x810
[ 1200.033036][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1200.033036][   T10]      process_backlog+0x101/0x620
[ 1200.033036][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1200.033036][   T10]      net_rx_action+0x495/0xbe0
[ 1200.033036][   T10]      __do_softirq+0x1b5/0x7f6
[ 1200.033036][   T10] 
[ 1200.034761][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.034761][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1200.034761][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1200.034761][   T10]      fib6_nh_init+0xa22/0x1580
[ 1200.034761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.034761][   T10]      ip6_route_add+0x1c/0x140
[ 1200.034761][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1200.034761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.034761][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.034761][   T10]      netlink_unicast+0x449/0x710
[ 1200.034761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.034761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.034761][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.034761][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.034761][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.034761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.034761][   T10] 
[ 1200.036756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.036756][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.036756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.036756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.036756][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1200.036756][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1200.036756][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1200.036756][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1200.036756][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1200.036756][   T10]      addrconf_dad_begin+0x310/0x670
[ 1200.036756][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1200.036756][   T10]      process_one_work+0x84d/0x18a0
[ 1200.036756][   T10]      worker_thread+0x587/0xd30
[ 1200.036756][   T10]      kthread+0x28a/0x350
[ 1200.036756][   T10]      ret_from_fork+0x31/0x70
[ 1200.036756][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1200.036756][   T10] 
[ 1200.038730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.038730][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.038730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.038730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.038730][   T10]      ip6_route_add+0x1c/0x140
[ 1200.038730][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1200.038730][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1200.038730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.038730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.038730][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.038730][   T10]      netlink_unicast+0x449/0x710
[ 1200.038730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.038730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.038730][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.038730][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.038730][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.038730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.038730][   T10] 
[ 1200.040794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.040794][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.040794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.040794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.040794][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1200.040794][   T10]      ipv6_add_addr+0x411/0x2000
[ 1200.040794][   T10]      inet6_addr_add+0x30e/0xa40
[ 1200.040794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.040794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.040794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.040794][   T10]      netlink_unicast+0x449/0x710
[ 1200.040794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.040794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.040794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.040794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.040794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.040794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.040794][   T10] 
[ 1200.042878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.042878][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.042878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.042878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.042878][   T10]      ip6_route_add+0x1c/0x140
[ 1200.042878][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1200.042878][   T10]      addrconf_add_dev+0xe2/0x170
[ 1200.042878][   T10]      inet6_addr_add+0x12f/0xa40
[ 1200.042878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.042878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.042878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.042878][   T10]      netlink_unicast+0x449/0x710
[ 1200.042878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.042878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.042878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.042878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.042878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.042878][   T10] 
[ 1200.044884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.044884][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1200.044884][   T10]      ipv6_find_idev+0x102/0x170
[ 1200.044884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1200.044884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.044884][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.044884][   T10]      netlink_unicast+0x449/0x710
[ 1200.044884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.044884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.044884][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.044884][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.044884][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.044884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.044884][   T10] 
[ 1200.046485][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1200.046485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1200.046485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1200.046485][   T10]      ipv6_find_idev+0x102/0x170
[ 1200.046485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1200.046485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.046485][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.046485][   T10]      netlink_unicast+0x449/0x710
[ 1200.046485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.046485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.046485][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.046485][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.046485][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.046485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.046485][   T10] 
[ 1200.048596][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1200.048843][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.048843][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1200.048843][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1200.048843][   T10]      fib6_nh_init+0xa22/0x1580
[ 1200.048843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.048843][   T10]      ip6_route_add+0x1c/0x140
[ 1200.048843][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1200.048843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.048843][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.048843][   T10]      netlink_unicast+0x449/0x710
[ 1200.048843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.048843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.048843][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.048843][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.048843][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.048843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.048843][   T10] 
[ 1200.050759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.050759][   T10]      dst_init+0x84/0x4a0
[ 1200.050759][   T10]      dst_alloc+0x97/0x150
[ 1200.050759][   T10]      ip6_dst_alloc+0x23/0x90
[ 1200.050759][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1200.050759][   T10]      ip6_pol_route+0x56f/0x840
[ 1200.050759][   T10]      fib6_rule_lookup+0x456/0x630
[ 1200.050759][   T10]      ip6_route_input+0x59c/0xa50
[ 1200.050759][   T10]      ipv6_rcv+0x397/0x810
[ 1200.050759][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1200.050759][   T10]      process_backlog+0x101/0x620
[ 1200.050759][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1200.050759][   T10]      net_rx_action+0x495/0xbe0
[ 1200.050759][   T10]      __do_softirq+0x1b5/0x7f6
[ 1200.050759][   T10] 
[ 1200.052543][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.052543][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.052543][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.052543][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.052543][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1200.052543][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1200.052543][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1200.052543][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1200.052543][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1200.052543][   T10]      addrconf_dad_begin+0x310/0x670
[ 1200.052543][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1200.052543][   T10]      process_one_work+0x84d/0x18a0
[ 1200.052543][   T10]      worker_thread+0x587/0xd30
[ 1200.052543][   T10]      kthread+0x28a/0x350
[ 1200.052543][   T10]      ret_from_fork+0x31/0x70
[ 1200.052543][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1200.052543][   T10] 
[ 1200.054670][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.054670][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.054670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.054670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.054670][   T10]      ip6_route_add+0x1c/0x140
[ 1200.054670][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1200.054670][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1200.054670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.054670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.054670][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.054670][   T10]      netlink_unicast+0x449/0x710
[ 1200.054670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.054670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.054670][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.054670][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.054670][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.054670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.054670][   T10] 
[ 1200.056965][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.056965][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.056965][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.056965][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.056965][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1200.056965][   T10]      ipv6_add_addr+0x411/0x2000
[ 1200.056965][   T10]      inet6_addr_add+0x30e/0xa40
[ 1200.056965][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.056965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.056965][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.056965][   T10]      netlink_unicast+0x449/0x710
[ 1200.056965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.056965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.056965][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.056965][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.056965][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.056965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.056965][   T10] 
[ 1200.059188][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.059188][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.059188][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.059188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.059188][   T10]      ip6_route_add+0x1c/0x140
[ 1200.059188][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1200.059188][   T10]      addrconf_add_dev+0xe2/0x170
[ 1200.059188][   T10]      inet6_addr_add+0x12f/0xa40
[ 1200.059188][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.059188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.059188][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.059188][   T10]      netlink_unicast+0x449/0x710
[ 1200.059188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.059188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.059188][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.059188][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.059188][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.059188][   T10] 
[ 1200.061338][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.061338][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1200.061338][   T10]      ipv6_find_idev+0x102/0x170
[ 1200.061338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1200.061338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.061338][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.061338][   T10]      netlink_unicast+0x449/0x710
[ 1200.061338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.061338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.061338][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.061338][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.061338][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.061338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.061338][   T10] 
[ 1200.063134][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1200.063134][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1200.063134][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1200.063134][   T10]      ipv6_find_idev+0x102/0x170
[ 1200.063134][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1200.063134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.063134][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.063134][   T10]      netlink_unicast+0x449/0x710
[ 1200.063134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.063134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.063134][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.063134][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.063134][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.063134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.063134][   T10] 
[ 1200.065211][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1200.065459][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1200.065459][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.065459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.065459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.065459][   T10]      ip6_route_add+0x1c/0x140
[ 1200.065459][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1200.065459][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1200.065459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.065459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.065459][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.065459][   T10]      netlink_unicast+0x449/0x710
[ 1200.065459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.065459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.065459][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.065459][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.065459][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.065459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.065459][   T10] 
[ 1200.067776][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1200.067776][   T10]      netdev_get_by_index+0x5e/0x80
[ 1200.067776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1200.067776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1200.067776][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1200.067776][   T10]      ipv6_add_addr+0x411/0x2000
[ 1200.067776][   T10]      inet6_addr_add+0x30e/0xa40
[ 1200.067776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1200.067776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.067776][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.067776][   T10]      netlink_unicast+0x449/0x710
[ 1200.067776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.067776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.067776][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.067776][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.067776][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.067776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.067776][   T10] 
[ 1200.069815][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1200.069815][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1200.069815][   T10]      ipv6_find_idev+0x102/0x170
[ 1200.069815][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1200.069815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.069815][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.069815][   T10]      netlink_unicast+0x449/0x710
[ 1200.069815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.069815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.069815][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.069815][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.069815][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.069815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.069815][   T10] 
[ 1200.071498][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1200.071498][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1200.071498][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1200.071498][   T10]      ipv6_find_idev+0x102/0x170
[ 1200.071498][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1200.071498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1200.071498][   T10]      netlink_rcv_skb+0x130/0x360
[ 1200.071498][   T10]      netlink_unicast+0x449/0x710
[ 1200.071498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1200.071498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1200.071498][   T10]      ___sys_sendmsg+0xee/0x170
[ 1200.071498][   T10]      __sys_sendmsg+0xcd/0x170
[ 1200.071498][   T10]      do_syscall_64+0xc6/0x1e0
[ 1200.071498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1200.071498][   T10] 
[ 1210.176603][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1210.177014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.177014][   T10]      dst_init+0x84/0x4a0
[ 1210.177014][   T10]      dst_alloc+0x97/0x150
[ 1210.177014][   T10]      ip6_dst_alloc+0x23/0x90
[ 1210.177014][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1210.177014][   T10]      ip6_pol_route+0x56f/0x840
[ 1210.177014][   T10]      fib6_rule_lookup+0x456/0x630
[ 1210.177014][   T10]      ip6_route_input+0x59c/0xa50
[ 1210.177014][   T10]      ipv6_rcv+0x397/0x810
[ 1210.177014][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1210.177014][   T10]      process_backlog+0x101/0x620
[ 1210.177014][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1210.177014][   T10]      net_rx_action+0x495/0xbe0
[ 1210.177014][   T10]      __do_softirq+0x1b5/0x7f6
[ 1210.177014][   T10] 
[ 1210.178701][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.178701][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1210.178701][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1210.178701][   T10]      fib6_nh_init+0xa22/0x1580
[ 1210.178701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.178701][   T10]      ip6_route_add+0x1c/0x140
[ 1210.178701][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1210.178701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.178701][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.178701][   T10]      netlink_unicast+0x449/0x710
[ 1210.178701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.178701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.178701][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.178701][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.178701][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.178701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.178701][   T10] 
[ 1210.180647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.180647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.180647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.180647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.180647][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1210.180647][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1210.180647][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1210.180647][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1210.180647][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1210.180647][   T10]      addrconf_dad_begin+0x310/0x670
[ 1210.180647][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1210.180647][   T10]      process_one_work+0x84d/0x18a0
[ 1210.180647][   T10]      worker_thread+0x587/0xd30
[ 1210.180647][   T10]      kthread+0x28a/0x350
[ 1210.180647][   T10]      ret_from_fork+0x31/0x70
[ 1210.180647][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1210.180647][   T10] 
[ 1210.182573][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.182573][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.182573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.182573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.182573][   T10]      ip6_route_add+0x1c/0x140
[ 1210.182573][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1210.182573][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1210.182573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.182573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.182573][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.182573][   T10]      netlink_unicast+0x449/0x710
[ 1210.182573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.182573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.182573][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.182573][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.182573][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.182573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.182573][   T10] 
[ 1210.184637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.184637][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.184637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.184637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.184637][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1210.184637][   T10]      ipv6_add_addr+0x411/0x2000
[ 1210.184637][   T10]      inet6_addr_add+0x30e/0xa40
[ 1210.184637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.184637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.184637][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.184637][   T10]      netlink_unicast+0x449/0x710
[ 1210.184637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.184637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.184637][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.184637][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.184637][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.184637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.184637][   T10] 
[ 1210.186736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.186736][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.186736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.186736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.186736][   T10]      ip6_route_add+0x1c/0x140
[ 1210.186736][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1210.186736][   T10]      addrconf_add_dev+0xe2/0x170
[ 1210.186736][   T10]      inet6_addr_add+0x12f/0xa40
[ 1210.186736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.186736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.186736][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.186736][   T10]      netlink_unicast+0x449/0x710
[ 1210.186736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.186736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.186736][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.186736][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.186736][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.186736][   T10] 
[ 1210.188713][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.188713][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1210.188713][   T10]      ipv6_find_idev+0x102/0x170
[ 1210.188713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1210.188713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.188713][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.188713][   T10]      netlink_unicast+0x449/0x710
[ 1210.188713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.188713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.188713][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.188713][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.188713][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.188713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.188713][   T10] 
[ 1210.190258][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1210.190258][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1210.190258][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1210.190258][   T10]      ipv6_find_idev+0x102/0x170
[ 1210.190258][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1210.190258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.190258][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.190258][   T10]      netlink_unicast+0x449/0x710
[ 1210.190258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.190258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.190258][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.190258][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.190258][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.190258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.190258][   T10] 
[ 1210.191964][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1210.192208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.192208][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1210.192208][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1210.192208][   T10]      fib6_nh_init+0xa22/0x1580
[ 1210.192208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.192208][   T10]      ip6_route_add+0x1c/0x140
[ 1210.192208][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1210.192208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.192208][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.192208][   T10]      netlink_unicast+0x449/0x710
[ 1210.192208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.192208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.192208][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.192208][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.192208][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.192208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.192208][   T10] 
[ 1210.194171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.194171][   T10]      dst_init+0x84/0x4a0
[ 1210.194171][   T10]      dst_alloc+0x97/0x150
[ 1210.194171][   T10]      ip6_dst_alloc+0x23/0x90
[ 1210.194171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1210.194171][   T10]      ip6_pol_route+0x56f/0x840
[ 1210.194171][   T10]      fib6_rule_lookup+0x456/0x630
[ 1210.194171][   T10]      ip6_route_input+0x59c/0xa50
[ 1210.194171][   T10]      ipv6_rcv+0x397/0x810
[ 1210.194171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1210.194171][   T10]      process_backlog+0x101/0x620
[ 1210.194171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1210.194171][   T10]      net_rx_action+0x495/0xbe0
[ 1210.194171][   T10]      __do_softirq+0x1b5/0x7f6
[ 1210.194171][   T10] 
[ 1210.195865][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.195865][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.195865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.195865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.195865][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1210.195865][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1210.195865][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1210.195865][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1210.195865][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1210.195865][   T10]      addrconf_dad_begin+0x310/0x670
[ 1210.195865][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1210.195865][   T10]      process_one_work+0x84d/0x18a0
[ 1210.195865][   T10]      worker_thread+0x587/0xd30
[ 1210.195865][   T10]      kthread+0x28a/0x350
[ 1210.195865][   T10]      ret_from_fork+0x31/0x70
[ 1210.195865][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1210.195865][   T10] 
[ 1210.197803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.197803][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.197803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.197803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.197803][   T10]      ip6_route_add+0x1c/0x140
[ 1210.197803][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1210.197803][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1210.197803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.197803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.197803][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.197803][   T10]      netlink_unicast+0x449/0x710
[ 1210.197803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.197803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.197803][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.197803][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.197803][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.197803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.197803][   T10] 
[ 1210.200146][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.200146][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.200146][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.200146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.200146][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1210.200146][   T10]      ipv6_add_addr+0x411/0x2000
[ 1210.200146][   T10]      inet6_addr_add+0x30e/0xa40
[ 1210.200146][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.200146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.200146][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.200146][   T10]      netlink_unicast+0x449/0x710
[ 1210.200146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.200146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.200146][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.200146][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.200146][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.200146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.200146][   T10] 
[ 1210.202244][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.202244][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.202244][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.202244][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.202244][   T10]      ip6_route_add+0x1c/0x140
[ 1210.202244][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1210.202244][   T10]      addrconf_add_dev+0xe2/0x170
[ 1210.202244][   T10]      inet6_addr_add+0x12f/0xa40
[ 1210.202244][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.202244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.202244][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.202244][   T10]      netlink_unicast+0x449/0x710
[ 1210.202244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.202244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.202244][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.202244][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.202244][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.202244][   T10] 
[ 1210.204540][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.204540][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1210.204540][   T10]      ipv6_find_idev+0x102/0x170
[ 1210.204540][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1210.204540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.204540][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.204540][   T10]      netlink_unicast+0x449/0x710
[ 1210.204540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.204540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.204540][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.204540][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.204540][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.204540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.204540][   T10] 
[ 1210.206579][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1210.206579][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1210.206579][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1210.206579][   T10]      ipv6_find_idev+0x102/0x170
[ 1210.206579][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1210.206579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.206579][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.206579][   T10]      netlink_unicast+0x449/0x710
[ 1210.206579][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.206579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.206579][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.206579][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.206579][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.206579][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.206579][   T10] 
[ 1210.208495][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1210.208754][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1210.208754][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.208754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.208754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.208754][   T10]      ip6_route_add+0x1c/0x140
[ 1210.208754][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1210.208754][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1210.208754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.208754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.208754][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.208754][   T10]      netlink_unicast+0x449/0x710
[ 1210.208754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.208754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.208754][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.208754][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.208754][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.208754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.208754][   T10] 
[ 1210.211044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1210.211044][   T10]      netdev_get_by_index+0x5e/0x80
[ 1210.211044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1210.211044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1210.211044][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1210.211044][   T10]      ipv6_add_addr+0x411/0x2000
[ 1210.211044][   T10]      inet6_addr_add+0x30e/0xa40
[ 1210.211044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1210.211044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.211044][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.211044][   T10]      netlink_unicast+0x449/0x710
[ 1210.211044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.211044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.211044][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.211044][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.211044][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.211044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.211044][   T10] 
[ 1210.213448][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1210.213448][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1210.213448][   T10]      ipv6_find_idev+0x102/0x170
[ 1210.213448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1210.213448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.213448][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.213448][   T10]      netlink_unicast+0x449/0x710
[ 1210.213448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.213448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.213448][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.213448][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.213448][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.213448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.213448][   T10] 
[ 1210.215217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1210.215217][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1210.215217][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1210.215217][   T10]      ipv6_find_idev+0x102/0x170
[ 1210.215217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1210.215217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1210.215217][   T10]      netlink_rcv_skb+0x130/0x360
[ 1210.215217][   T10]      netlink_unicast+0x449/0x710
[ 1210.215217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1210.215217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1210.215217][   T10]      ___sys_sendmsg+0xee/0x170
[ 1210.215217][   T10]      __sys_sendmsg+0xcd/0x170
[ 1210.215217][   T10]      do_syscall_64+0xc6/0x1e0
[ 1210.215217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1210.215217][   T10] 
[ 1220.321608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1220.322032][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.322032][   T10]      dst_init+0x84/0x4a0
[ 1220.322032][   T10]      dst_alloc+0x97/0x150
[ 1220.322032][   T10]      ip6_dst_alloc+0x23/0x90
[ 1220.322032][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1220.322032][   T10]      ip6_pol_route+0x56f/0x840
[ 1220.322032][   T10]      fib6_rule_lookup+0x456/0x630
[ 1220.322032][   T10]      ip6_route_input+0x59c/0xa50
[ 1220.322032][   T10]      ipv6_rcv+0x397/0x810
[ 1220.322032][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1220.322032][   T10]      process_backlog+0x101/0x620
[ 1220.322032][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1220.322032][   T10]      net_rx_action+0x495/0xbe0
[ 1220.322032][   T10]      __do_softirq+0x1b5/0x7f6
[ 1220.322032][   T10] 
[ 1220.323784][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.323784][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1220.323784][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1220.323784][   T10]      fib6_nh_init+0xa22/0x1580
[ 1220.323784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.323784][   T10]      ip6_route_add+0x1c/0x140
[ 1220.323784][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1220.323784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.323784][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.323784][   T10]      netlink_unicast+0x449/0x710
[ 1220.323784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.323784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.323784][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.323784][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.323784][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.323784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.323784][   T10] 
[ 1220.325718][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.325718][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.325718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.325718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.325718][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1220.325718][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1220.325718][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1220.325718][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1220.325718][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1220.325718][   T10]      addrconf_dad_begin+0x310/0x670
[ 1220.325718][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1220.325718][   T10]      process_one_work+0x84d/0x18a0
[ 1220.325718][   T10]      worker_thread+0x587/0xd30
[ 1220.325718][   T10]      kthread+0x28a/0x350
[ 1220.325718][   T10]      ret_from_fork+0x31/0x70
[ 1220.325718][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1220.325718][   T10] 
[ 1220.327664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.327664][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.327664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.327664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.327664][   T10]      ip6_route_add+0x1c/0x140
[ 1220.327664][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1220.327664][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1220.327664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.327664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.327664][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.327664][   T10]      netlink_unicast+0x449/0x710
[ 1220.327664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.327664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.327664][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.327664][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.327664][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.327664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.327664][   T10] 
[ 1220.329839][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.329839][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.329839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.329839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.329839][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1220.329839][   T10]      ipv6_add_addr+0x411/0x2000
[ 1220.329839][   T10]      inet6_addr_add+0x30e/0xa40
[ 1220.329839][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.329839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.329839][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.329839][   T10]      netlink_unicast+0x449/0x710
[ 1220.329839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.329839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.329839][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.329839][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.329839][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.329839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.329839][   T10] 
[ 1220.331906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.331906][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.331906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.331906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.331906][   T10]      ip6_route_add+0x1c/0x140
[ 1220.331906][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1220.331906][   T10]      addrconf_add_dev+0xe2/0x170
[ 1220.331906][   T10]      inet6_addr_add+0x12f/0xa40
[ 1220.331906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.331906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.331906][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.331906][   T10]      netlink_unicast+0x449/0x710
[ 1220.331906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.331906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.331906][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.331906][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.331906][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.331906][   T10] 
[ 1220.333914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.333914][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1220.333914][   T10]      ipv6_find_idev+0x102/0x170
[ 1220.333914][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1220.333914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.333914][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.333914][   T10]      netlink_unicast+0x449/0x710
[ 1220.333914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.333914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.333914][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.333914][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.333914][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.333914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.333914][   T10] 
[ 1220.335676][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1220.335676][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1220.335676][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1220.335676][   T10]      ipv6_find_idev+0x102/0x170
[ 1220.335676][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1220.335676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.335676][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.335676][   T10]      netlink_unicast+0x449/0x710
[ 1220.335676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.335676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.335676][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.335676][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.335676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.335676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.335676][   T10] 
[ 1220.338106][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1220.338356][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.338356][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1220.338356][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1220.338356][   T10]      fib6_nh_init+0xa22/0x1580
[ 1220.338356][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.338356][   T10]      ip6_route_add+0x1c/0x140
[ 1220.338356][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1220.338356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.338356][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.338356][   T10]      netlink_unicast+0x449/0x710
[ 1220.338356][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.338356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.338356][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.338356][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.338356][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.338356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.338356][   T10] 
[ 1220.340358][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.340358][   T10]      dst_init+0x84/0x4a0
[ 1220.340358][   T10]      dst_alloc+0x97/0x150
[ 1220.340358][   T10]      ip6_dst_alloc+0x23/0x90
[ 1220.340358][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1220.340358][   T10]      ip6_pol_route+0x56f/0x840
[ 1220.340358][   T10]      fib6_rule_lookup+0x456/0x630
[ 1220.340358][   T10]      ip6_route_input+0x59c/0xa50
[ 1220.340358][   T10]      ipv6_rcv+0x397/0x810
[ 1220.340358][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1220.340358][   T10]      process_backlog+0x101/0x620
[ 1220.340358][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1220.340358][   T10]      net_rx_action+0x495/0xbe0
[ 1220.340358][   T10]      __do_softirq+0x1b5/0x7f6
[ 1220.340358][   T10] 
[ 1220.342170][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.342170][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.342170][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.342170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.342170][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1220.342170][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1220.342170][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1220.342170][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1220.342170][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1220.342170][   T10]      addrconf_dad_begin+0x310/0x670
[ 1220.342170][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1220.342170][   T10]      process_one_work+0x84d/0x18a0
[ 1220.342170][   T10]      worker_thread+0x587/0xd30
[ 1220.342170][   T10]      kthread+0x28a/0x350
[ 1220.342170][   T10]      ret_from_fork+0x31/0x70
[ 1220.342170][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1220.342170][   T10] 
[ 1220.344298][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.344298][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.344298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.344298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.344298][   T10]      ip6_route_add+0x1c/0x140
[ 1220.344298][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1220.344298][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1220.344298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.344298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.344298][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.344298][   T10]      netlink_unicast+0x449/0x710
[ 1220.344298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.344298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.344298][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.344298][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.344298][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.344298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.344298][   T10] 
[ 1220.346602][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.346602][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.346602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.346602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.346602][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1220.346602][   T10]      ipv6_add_addr+0x411/0x2000
[ 1220.346602][   T10]      inet6_addr_add+0x30e/0xa40
[ 1220.346602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.346602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.346602][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.346602][   T10]      netlink_unicast+0x449/0x710
[ 1220.346602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.346602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.346602][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.346602][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.346602][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.346602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.346602][   T10] 
[ 1220.348925][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.348925][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.348925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.348925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.348925][   T10]      ip6_route_add+0x1c/0x140
[ 1220.348925][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1220.348925][   T10]      addrconf_add_dev+0xe2/0x170
[ 1220.348925][   T10]      inet6_addr_add+0x12f/0xa40
[ 1220.348925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.348925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.348925][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.348925][   T10]      netlink_unicast+0x449/0x710
[ 1220.348925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.348925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.348925][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.348925][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.348925][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.348925][   T10] 
[ 1220.351237][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.351237][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1220.351237][   T10]      ipv6_find_idev+0x102/0x170
[ 1220.351237][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1220.351237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.351237][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.351237][   T10]      netlink_unicast+0x449/0x710
[ 1220.351237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.351237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.351237][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.351237][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.351237][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.351237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.351237][   T10] 
[ 1220.353000][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1220.353000][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1220.353000][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1220.353000][   T10]      ipv6_find_idev+0x102/0x170
[ 1220.353000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1220.353000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.353000][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.353000][   T10]      netlink_unicast+0x449/0x710
[ 1220.353000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.353000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.353000][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.353000][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.353000][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.353000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.353000][   T10] 
[ 1220.355027][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1220.355279][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1220.355279][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.355279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.355279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.355279][   T10]      ip6_route_add+0x1c/0x140
[ 1220.355279][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1220.355279][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1220.355279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.355279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.355279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.355279][   T10]      netlink_unicast+0x449/0x710
[ 1220.355279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.355279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.355279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.355279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.355279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.355279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.355279][   T10] 
[ 1220.357444][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1220.357444][   T10]      netdev_get_by_index+0x5e/0x80
[ 1220.357444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1220.357444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1220.357444][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1220.357444][   T10]      ipv6_add_addr+0x411/0x2000
[ 1220.357444][   T10]      inet6_addr_add+0x30e/0xa40
[ 1220.357444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1220.357444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.357444][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.357444][   T10]      netlink_unicast+0x449/0x710
[ 1220.357444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.357444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.357444][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.357444][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.357444][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.357444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.357444][   T10] 
[ 1220.359795][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1220.359795][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1220.359795][   T10]      ipv6_find_idev+0x102/0x170
[ 1220.359795][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1220.359795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.359795][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.359795][   T10]      netlink_unicast+0x449/0x710
[ 1220.359795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.359795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.359795][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.359795][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.359795][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.359795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.359795][   T10] 
[ 1220.361528][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1220.361528][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1220.361528][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1220.361528][   T10]      ipv6_find_idev+0x102/0x170
[ 1220.361528][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1220.361528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1220.361528][   T10]      netlink_rcv_skb+0x130/0x360
[ 1220.361528][   T10]      netlink_unicast+0x449/0x710
[ 1220.361528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1220.361528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1220.361528][   T10]      ___sys_sendmsg+0xee/0x170
[ 1220.361528][   T10]      __sys_sendmsg+0xcd/0x170
[ 1220.361528][   T10]      do_syscall_64+0xc6/0x1e0
[ 1220.361528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1220.361528][   T10] 
[ 1230.465605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1230.466026][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.466026][   T10]      dst_init+0x84/0x4a0
[ 1230.466026][   T10]      dst_alloc+0x97/0x150
[ 1230.466026][   T10]      ip6_dst_alloc+0x23/0x90
[ 1230.466026][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1230.466026][   T10]      ip6_pol_route+0x56f/0x840
[ 1230.466026][   T10]      fib6_rule_lookup+0x456/0x630
[ 1230.466026][   T10]      ip6_route_input+0x59c/0xa50
[ 1230.466026][   T10]      ipv6_rcv+0x397/0x810
[ 1230.466026][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1230.466026][   T10]      process_backlog+0x101/0x620
[ 1230.466026][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1230.466026][   T10]      net_rx_action+0x495/0xbe0
[ 1230.466026][   T10]      __do_softirq+0x1b5/0x7f6
[ 1230.466026][   T10] 
[ 1230.467884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.467884][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1230.467884][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1230.467884][   T10]      fib6_nh_init+0xa22/0x1580
[ 1230.467884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.467884][   T10]      ip6_route_add+0x1c/0x140
[ 1230.467884][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1230.467884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.467884][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.467884][   T10]      netlink_unicast+0x449/0x710
[ 1230.467884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.467884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.467884][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.467884][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.467884][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.467884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.467884][   T10] 
[ 1230.470115][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.470115][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.470115][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.470115][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.470115][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1230.470115][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1230.470115][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1230.470115][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1230.470115][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1230.470115][   T10]      addrconf_dad_begin+0x310/0x670
[ 1230.470115][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1230.470115][   T10]      process_one_work+0x84d/0x18a0
[ 1230.470115][   T10]      worker_thread+0x587/0xd30
[ 1230.470115][   T10]      kthread+0x28a/0x350
[ 1230.470115][   T10]      ret_from_fork+0x31/0x70
[ 1230.470115][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1230.470115][   T10] 
[ 1230.472289][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.472289][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.472289][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.472289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.472289][   T10]      ip6_route_add+0x1c/0x140
[ 1230.472289][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1230.472289][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1230.472289][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.472289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.472289][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.472289][   T10]      netlink_unicast+0x449/0x710
[ 1230.472289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.472289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.472289][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.472289][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.472289][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.472289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.472289][   T10] 
[ 1230.474499][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.474499][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.474499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.474499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.474499][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1230.474499][   T10]      ipv6_add_addr+0x411/0x2000
[ 1230.474499][   T10]      inet6_addr_add+0x30e/0xa40
[ 1230.474499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.474499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.474499][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.474499][   T10]      netlink_unicast+0x449/0x710
[ 1230.474499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.474499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.474499][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.474499][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.474499][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.474499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.474499][   T10] 
[ 1230.476787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.476787][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.476787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.476787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.476787][   T10]      ip6_route_add+0x1c/0x140
[ 1230.476787][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1230.476787][   T10]      addrconf_add_dev+0xe2/0x170
[ 1230.476787][   T10]      inet6_addr_add+0x12f/0xa40
[ 1230.476787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.476787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.476787][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.476787][   T10]      netlink_unicast+0x449/0x710
[ 1230.476787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.476787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.476787][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.476787][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.476787][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.476787][   T10] 
[ 1230.479186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.479186][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1230.479186][   T10]      ipv6_find_idev+0x102/0x170
[ 1230.479186][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1230.479186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.479186][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.479186][   T10]      netlink_unicast+0x449/0x710
[ 1230.479186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.479186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.479186][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.479186][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.479186][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.479186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.479186][   T10] 
[ 1230.481105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1230.481105][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1230.481105][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1230.481105][   T10]      ipv6_find_idev+0x102/0x170
[ 1230.481105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1230.481105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.481105][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.481105][   T10]      netlink_unicast+0x449/0x710
[ 1230.481105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.481105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.481105][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.481105][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.481105][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.481105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.481105][   T10] 
[ 1230.483532][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1230.483818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.483818][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1230.483818][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1230.483818][   T10]      fib6_nh_init+0xa22/0x1580
[ 1230.483818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.483818][   T10]      ip6_route_add+0x1c/0x140
[ 1230.483818][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1230.483818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.483818][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.483818][   T10]      netlink_unicast+0x449/0x710
[ 1230.483818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.483818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.483818][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.483818][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.483818][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.483818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.483818][   T10] 
[ 1230.485971][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.485971][   T10]      dst_init+0x84/0x4a0
[ 1230.485971][   T10]      dst_alloc+0x97/0x150
[ 1230.485971][   T10]      ip6_dst_alloc+0x23/0x90
[ 1230.485971][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1230.485971][   T10]      ip6_pol_route+0x56f/0x840
[ 1230.485971][   T10]      fib6_rule_lookup+0x456/0x630
[ 1230.485971][   T10]      ip6_route_input+0x59c/0xa50
[ 1230.485971][   T10]      ipv6_rcv+0x397/0x810
[ 1230.485971][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1230.485971][   T10]      process_backlog+0x101/0x620
[ 1230.485971][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1230.485971][   T10]      net_rx_action+0x495/0xbe0
[ 1230.485971][   T10]      __do_softirq+0x1b5/0x7f6
[ 1230.485971][   T10] 
[ 1230.488241][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.488241][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.488241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.488241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.488241][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1230.488241][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1230.488241][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1230.488241][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1230.488241][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1230.488241][   T10]      addrconf_dad_begin+0x310/0x670
[ 1230.488241][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1230.488241][   T10]      process_one_work+0x84d/0x18a0
[ 1230.488241][   T10]      worker_thread+0x587/0xd30
[ 1230.488241][   T10]      kthread+0x28a/0x350
[ 1230.488241][   T10]      ret_from_fork+0x31/0x70
[ 1230.488241][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1230.488241][   T10] 
[ 1230.490525][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.490525][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.490525][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.490525][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.490525][   T10]      ip6_route_add+0x1c/0x140
[ 1230.490525][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1230.490525][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1230.490525][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.490525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.490525][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.490525][   T10]      netlink_unicast+0x449/0x710
[ 1230.490525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.490525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.490525][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.490525][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.490525][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.490525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.490525][   T10] 
[ 1230.493076][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.493076][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.493076][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.493076][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.493076][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1230.493076][   T10]      ipv6_add_addr+0x411/0x2000
[ 1230.493076][   T10]      inet6_addr_add+0x30e/0xa40
[ 1230.493076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.493076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.493076][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.493076][   T10]      netlink_unicast+0x449/0x710
[ 1230.493076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.493076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.493076][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.493076][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.493076][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.493076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.493076][   T10] 
[ 1230.495685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.495685][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.495685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.495685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.495685][   T10]      ip6_route_add+0x1c/0x140
[ 1230.495685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1230.495685][   T10]      addrconf_add_dev+0xe2/0x170
[ 1230.495685][   T10]      inet6_addr_add+0x12f/0xa40
[ 1230.495685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.495685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.495685][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.495685][   T10]      netlink_unicast+0x449/0x710
[ 1230.495685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.495685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.495685][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.495685][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.495685][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.495685][   T10] 
[ 1230.498085][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.498085][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1230.498085][   T10]      ipv6_find_idev+0x102/0x170
[ 1230.498085][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1230.498085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.498085][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.498085][   T10]      netlink_unicast+0x449/0x710
[ 1230.498085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.498085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.498085][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.498085][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.498085][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.498085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.498085][   T10] 
[ 1230.500133][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1230.500133][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1230.500133][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1230.500133][   T10]      ipv6_find_idev+0x102/0x170
[ 1230.500133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1230.500133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.500133][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.500133][   T10]      netlink_unicast+0x449/0x710
[ 1230.500133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.500133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.500133][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.500133][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.500133][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.500133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.500133][   T10] 
[ 1230.502360][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1230.502638][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1230.502638][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.502638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.502638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.502638][   T10]      ip6_route_add+0x1c/0x140
[ 1230.502638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1230.502638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1230.502638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.502638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.502638][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.502638][   T10]      netlink_unicast+0x449/0x710
[ 1230.502638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.502638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.502638][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.502638][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.502638][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.502638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.502638][   T10] 
[ 1230.505059][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1230.505059][   T10]      netdev_get_by_index+0x5e/0x80
[ 1230.505059][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1230.505059][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1230.505059][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1230.505059][   T10]      ipv6_add_addr+0x411/0x2000
[ 1230.505059][   T10]      inet6_addr_add+0x30e/0xa40
[ 1230.505059][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1230.505059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.505059][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.505059][   T10]      netlink_unicast+0x449/0x710
[ 1230.505059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.505059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.505059][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.505059][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.505059][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.505059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.505059][   T10] 
[ 1230.507715][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1230.507715][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1230.507715][   T10]      ipv6_find_idev+0x102/0x170
[ 1230.507715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1230.507715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.507715][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.507715][   T10]      netlink_unicast+0x449/0x710
[ 1230.507715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.507715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.507715][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.507715][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.507715][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.507715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.507715][   T10] 
[ 1230.509498][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1230.509498][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1230.509498][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1230.509498][   T10]      ipv6_find_idev+0x102/0x170
[ 1230.509498][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1230.509498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1230.509498][   T10]      netlink_rcv_skb+0x130/0x360
[ 1230.509498][   T10]      netlink_unicast+0x449/0x710
[ 1230.509498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1230.509498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1230.509498][   T10]      ___sys_sendmsg+0xee/0x170
[ 1230.509498][   T10]      __sys_sendmsg+0xcd/0x170
[ 1230.509498][   T10]      do_syscall_64+0xc6/0x1e0
[ 1230.509498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1230.509498][   T10] 
[ 1240.608620][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1240.609051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.609051][   T10]      dst_init+0x84/0x4a0
[ 1240.609051][   T10]      dst_alloc+0x97/0x150
[ 1240.609051][   T10]      ip6_dst_alloc+0x23/0x90
[ 1240.609051][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1240.609051][   T10]      ip6_pol_route+0x56f/0x840
[ 1240.609051][   T10]      fib6_rule_lookup+0x456/0x630
[ 1240.609051][   T10]      ip6_route_input+0x59c/0xa50
[ 1240.609051][   T10]      ipv6_rcv+0x397/0x810
[ 1240.609051][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1240.609051][   T10]      process_backlog+0x101/0x620
[ 1240.609051][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1240.609051][   T10]      net_rx_action+0x495/0xbe0
[ 1240.609051][   T10]      __do_softirq+0x1b5/0x7f6
[ 1240.609051][   T10] 
[ 1240.610917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.610917][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1240.610917][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1240.610917][   T10]      fib6_nh_init+0xa22/0x1580
[ 1240.610917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.610917][   T10]      ip6_route_add+0x1c/0x140
[ 1240.610917][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1240.610917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.610917][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.610917][   T10]      netlink_unicast+0x449/0x710
[ 1240.610917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.610917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.610917][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.610917][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.610917][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.610917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.610917][   T10] 
[ 1240.613033][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.613033][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.613033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.613033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.613033][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1240.613033][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1240.613033][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1240.613033][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1240.613033][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1240.613033][   T10]      addrconf_dad_begin+0x310/0x670
[ 1240.613033][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1240.613033][   T10]      process_one_work+0x84d/0x18a0
[ 1240.613033][   T10]      worker_thread+0x587/0xd30
[ 1240.613033][   T10]      kthread+0x28a/0x350
[ 1240.613033][   T10]      ret_from_fork+0x31/0x70
[ 1240.613033][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1240.613033][   T10] 
[ 1240.615188][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.615188][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.615188][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.615188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.615188][   T10]      ip6_route_add+0x1c/0x140
[ 1240.615188][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1240.615188][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1240.615188][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.615188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.615188][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.615188][   T10]      netlink_unicast+0x449/0x710
[ 1240.615188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.615188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.615188][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.615188][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.615188][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.615188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.615188][   T10] 
[ 1240.617396][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.617396][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.617396][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.617396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.617396][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1240.617396][   T10]      ipv6_add_addr+0x411/0x2000
[ 1240.617396][   T10]      inet6_addr_add+0x30e/0xa40
[ 1240.617396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.617396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.617396][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.617396][   T10]      netlink_unicast+0x449/0x710
[ 1240.617396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.617396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.617396][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.617396][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.617396][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.617396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.617396][   T10] 
[ 1240.619684][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.619684][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.619684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.619684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.619684][   T10]      ip6_route_add+0x1c/0x140
[ 1240.619684][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1240.619684][   T10]      addrconf_add_dev+0xe2/0x170
[ 1240.619684][   T10]      inet6_addr_add+0x12f/0xa40
[ 1240.619684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.619684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.619684][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.619684][   T10]      netlink_unicast+0x449/0x710
[ 1240.619684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.619684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.619684][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.619684][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.619684][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.619684][   T10] 
[ 1240.621883][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.621883][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1240.621883][   T10]      ipv6_find_idev+0x102/0x170
[ 1240.621883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1240.621883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.621883][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.621883][   T10]      netlink_unicast+0x449/0x710
[ 1240.621883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.621883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.621883][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.621883][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.621883][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.621883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.621883][   T10] 
[ 1240.623617][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1240.623617][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1240.623617][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1240.623617][   T10]      ipv6_find_idev+0x102/0x170
[ 1240.623617][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1240.623617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.623617][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.623617][   T10]      netlink_unicast+0x449/0x710
[ 1240.623617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.623617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.623617][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.623617][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.623617][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.623617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.623617][   T10] 
[ 1240.625588][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1240.625852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.625852][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1240.625852][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1240.625852][   T10]      fib6_nh_init+0xa22/0x1580
[ 1240.625852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.625852][   T10]      ip6_route_add+0x1c/0x140
[ 1240.625852][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1240.625852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.625852][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.625852][   T10]      netlink_unicast+0x449/0x710
[ 1240.625852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.625852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.625852][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.625852][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.625852][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.625852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.625852][   T10] 
[ 1240.628336][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.628336][   T10]      dst_init+0x84/0x4a0
[ 1240.628336][   T10]      dst_alloc+0x97/0x150
[ 1240.628336][   T10]      ip6_dst_alloc+0x23/0x90
[ 1240.628336][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1240.628336][   T10]      ip6_pol_route+0x56f/0x840
[ 1240.628336][   T10]      fib6_rule_lookup+0x456/0x630
[ 1240.628336][   T10]      ip6_route_input+0x59c/0xa50
[ 1240.628336][   T10]      ipv6_rcv+0x397/0x810
[ 1240.628336][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1240.628336][   T10]      process_backlog+0x101/0x620
[ 1240.628336][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1240.628336][   T10]      net_rx_action+0x495/0xbe0
[ 1240.628336][   T10]      __do_softirq+0x1b5/0x7f6
[ 1240.628336][   T10] 
[ 1240.630388][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.630388][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.630388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.630388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.630388][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1240.630388][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1240.630388][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1240.630388][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1240.630388][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1240.630388][   T10]      addrconf_dad_begin+0x310/0x670
[ 1240.630388][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1240.630388][   T10]      process_one_work+0x84d/0x18a0
[ 1240.630388][   T10]      worker_thread+0x587/0xd30
[ 1240.630388][   T10]      kthread+0x28a/0x350
[ 1240.630388][   T10]      ret_from_fork+0x31/0x70
[ 1240.630388][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1240.630388][   T10] 
[ 1240.632773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.632773][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.632773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.632773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.632773][   T10]      ip6_route_add+0x1c/0x140
[ 1240.632773][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1240.632773][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1240.632773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.632773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.632773][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.632773][   T10]      netlink_unicast+0x449/0x710
[ 1240.632773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.632773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.632773][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.632773][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.632773][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.632773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.632773][   T10] 
[ 1240.635202][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.635202][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.635202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.635202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.635202][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1240.635202][   T10]      ipv6_add_addr+0x411/0x2000
[ 1240.635202][   T10]      inet6_addr_add+0x30e/0xa40
[ 1240.635202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.635202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.635202][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.635202][   T10]      netlink_unicast+0x449/0x710
[ 1240.635202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.635202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.635202][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.635202][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.635202][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.635202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.635202][   T10] 
[ 1240.637804][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.637804][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.637804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.637804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.637804][   T10]      ip6_route_add+0x1c/0x140
[ 1240.637804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1240.637804][   T10]      addrconf_add_dev+0xe2/0x170
[ 1240.637804][   T10]      inet6_addr_add+0x12f/0xa40
[ 1240.637804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.637804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.637804][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.637804][   T10]      netlink_unicast+0x449/0x710
[ 1240.637804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.637804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.637804][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.637804][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.637804][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.637804][   T10] 
[ 1240.640520][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.640520][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1240.640520][   T10]      ipv6_find_idev+0x102/0x170
[ 1240.640520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1240.640520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.640520][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.640520][   T10]      netlink_unicast+0x449/0x710
[ 1240.640520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.640520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.640520][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.640520][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.640520][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.640520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.640520][   T10] 
[ 1240.642454][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1240.642454][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1240.642454][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1240.642454][   T10]      ipv6_find_idev+0x102/0x170
[ 1240.642454][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1240.642454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.642454][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.642454][   T10]      netlink_unicast+0x449/0x710
[ 1240.642454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.642454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.642454][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.642454][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.642454][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.642454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.642454][   T10] 
[ 1240.644498][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1240.644777][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1240.644777][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.644777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.644777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.644777][   T10]      ip6_route_add+0x1c/0x140
[ 1240.644777][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1240.644777][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1240.644777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.644777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.644777][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.644777][   T10]      netlink_unicast+0x449/0x710
[ 1240.644777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.644777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.644777][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.644777][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.644777][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.644777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.644777][   T10] 
[ 1240.647009][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1240.647009][   T10]      netdev_get_by_index+0x5e/0x80
[ 1240.647009][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1240.647009][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1240.647009][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1240.647009][   T10]      ipv6_add_addr+0x411/0x2000
[ 1240.647009][   T10]      inet6_addr_add+0x30e/0xa40
[ 1240.647009][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1240.647009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.647009][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.647009][   T10]      netlink_unicast+0x449/0x710
[ 1240.647009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.647009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.647009][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.647009][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.647009][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.647009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.647009][   T10] 
[ 1240.649438][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1240.649438][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1240.649438][   T10]      ipv6_find_idev+0x102/0x170
[ 1240.649438][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1240.649438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.649438][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.649438][   T10]      netlink_unicast+0x449/0x710
[ 1240.649438][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.649438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.649438][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.649438][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.649438][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.649438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.649438][   T10] 
[ 1240.651430][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1240.651430][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1240.651430][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1240.651430][   T10]      ipv6_find_idev+0x102/0x170
[ 1240.651430][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1240.651430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1240.651430][   T10]      netlink_rcv_skb+0x130/0x360
[ 1240.651430][   T10]      netlink_unicast+0x449/0x710
[ 1240.651430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1240.651430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1240.651430][   T10]      ___sys_sendmsg+0xee/0x170
[ 1240.651430][   T10]      __sys_sendmsg+0xcd/0x170
[ 1240.651430][   T10]      do_syscall_64+0xc6/0x1e0
[ 1240.651430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1240.651430][   T10] 
[ 1250.768608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1250.769026][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.769026][   T10]      dst_init+0x84/0x4a0
[ 1250.769026][   T10]      dst_alloc+0x97/0x150
[ 1250.769026][   T10]      ip6_dst_alloc+0x23/0x90
[ 1250.769026][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1250.769026][   T10]      ip6_pol_route+0x56f/0x840
[ 1250.769026][   T10]      fib6_rule_lookup+0x456/0x630
[ 1250.769026][   T10]      ip6_route_input+0x59c/0xa50
[ 1250.769026][   T10]      ipv6_rcv+0x397/0x810
[ 1250.769026][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1250.769026][   T10]      process_backlog+0x101/0x620
[ 1250.769026][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1250.769026][   T10]      net_rx_action+0x495/0xbe0
[ 1250.769026][   T10]      __do_softirq+0x1b5/0x7f6
[ 1250.769026][   T10] 
[ 1250.770928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.770928][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1250.770928][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1250.770928][   T10]      fib6_nh_init+0xa22/0x1580
[ 1250.770928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.770928][   T10]      ip6_route_add+0x1c/0x140
[ 1250.770928][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1250.770928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.770928][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.770928][   T10]      netlink_unicast+0x449/0x710
[ 1250.770928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.770928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.770928][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.770928][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.770928][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.770928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.770928][   T10] 
[ 1250.773044][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.773044][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.773044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.773044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.773044][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1250.773044][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1250.773044][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1250.773044][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1250.773044][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1250.773044][   T10]      addrconf_dad_begin+0x310/0x670
[ 1250.773044][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1250.773044][   T10]      process_one_work+0x84d/0x18a0
[ 1250.773044][   T10]      worker_thread+0x587/0xd30
[ 1250.773044][   T10]      kthread+0x28a/0x350
[ 1250.773044][   T10]      ret_from_fork+0x31/0x70
[ 1250.773044][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1250.773044][   T10] 
[ 1250.775193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.775193][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.775193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.775193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.775193][   T10]      ip6_route_add+0x1c/0x140
[ 1250.775193][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1250.775193][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1250.775193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.775193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.775193][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.775193][   T10]      netlink_unicast+0x449/0x710
[ 1250.775193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.775193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.775193][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.775193][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.775193][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.775193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.775193][   T10] 
[ 1250.777455][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.777455][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.777455][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.777455][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.777455][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1250.777455][   T10]      ipv6_add_addr+0x411/0x2000
[ 1250.777455][   T10]      inet6_addr_add+0x30e/0xa40
[ 1250.777455][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.777455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.777455][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.777455][   T10]      netlink_unicast+0x449/0x710
[ 1250.777455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.777455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.777455][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.777455][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.777455][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.777455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.777455][   T10] 
[ 1250.779887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.779887][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.779887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.779887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.779887][   T10]      ip6_route_add+0x1c/0x140
[ 1250.779887][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1250.779887][   T10]      addrconf_add_dev+0xe2/0x170
[ 1250.779887][   T10]      inet6_addr_add+0x12f/0xa40
[ 1250.779887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.779887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.779887][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.779887][   T10]      netlink_unicast+0x449/0x710
[ 1250.779887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.779887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.779887][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.779887][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.779887][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.779887][   T10] 
[ 1250.782377][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.782377][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1250.782377][   T10]      ipv6_find_idev+0x102/0x170
[ 1250.782377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1250.782377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.782377][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.782377][   T10]      netlink_unicast+0x449/0x710
[ 1250.782377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.782377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.782377][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.782377][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.782377][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.782377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.782377][   T10] 
[ 1250.784329][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1250.784329][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1250.784329][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1250.784329][   T10]      ipv6_find_idev+0x102/0x170
[ 1250.784329][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1250.784329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.784329][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.784329][   T10]      netlink_unicast+0x449/0x710
[ 1250.784329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.784329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.784329][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.784329][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.784329][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.784329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.784329][   T10] 
[ 1250.786536][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1250.787268][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.787268][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1250.787268][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1250.787268][   T10]      fib6_nh_init+0xa22/0x1580
[ 1250.787268][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.787268][   T10]      ip6_route_add+0x1c/0x140
[ 1250.787268][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1250.787268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.787268][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.787268][   T10]      netlink_unicast+0x449/0x710
[ 1250.787268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.787268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.787268][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.787268][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.787268][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.787268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.787268][   T10] 
[ 1250.789356][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.789356][   T10]      dst_init+0x84/0x4a0
[ 1250.789356][   T10]      dst_alloc+0x97/0x150
[ 1250.789356][   T10]      ip6_dst_alloc+0x23/0x90
[ 1250.789356][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1250.789356][   T10]      ip6_pol_route+0x56f/0x840
[ 1250.789356][   T10]      fib6_rule_lookup+0x456/0x630
[ 1250.789356][   T10]      ip6_route_input+0x59c/0xa50
[ 1250.789356][   T10]      ipv6_rcv+0x397/0x810
[ 1250.789356][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1250.789356][   T10]      process_backlog+0x101/0x620
[ 1250.789356][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1250.789356][   T10]      net_rx_action+0x495/0xbe0
[ 1250.789356][   T10]      __do_softirq+0x1b5/0x7f6
[ 1250.789356][   T10] 
[ 1250.791419][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.791419][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.791419][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.791419][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.791419][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1250.791419][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1250.791419][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1250.791419][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1250.791419][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1250.791419][   T10]      addrconf_dad_begin+0x310/0x670
[ 1250.791419][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1250.791419][   T10]      process_one_work+0x84d/0x18a0
[ 1250.791419][   T10]      worker_thread+0x587/0xd30
[ 1250.791419][   T10]      kthread+0x28a/0x350
[ 1250.791419][   T10]      ret_from_fork+0x31/0x70
[ 1250.791419][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1250.791419][   T10] 
[ 1250.793736][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.793736][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.793736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.793736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.793736][   T10]      ip6_route_add+0x1c/0x140
[ 1250.793736][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1250.793736][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1250.793736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.793736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.793736][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.793736][   T10]      netlink_unicast+0x449/0x710
[ 1250.793736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.793736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.793736][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.793736][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.793736][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.793736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.793736][   T10] 
[ 1250.796251][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.796251][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.796251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.796251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.796251][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1250.796251][   T10]      ipv6_add_addr+0x411/0x2000
[ 1250.796251][   T10]      inet6_addr_add+0x30e/0xa40
[ 1250.796251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.796251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.796251][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.796251][   T10]      netlink_unicast+0x449/0x710
[ 1250.796251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.796251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.796251][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.796251][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.796251][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.796251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.796251][   T10] 
[ 1250.798719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.798719][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.798719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.798719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.798719][   T10]      ip6_route_add+0x1c/0x140
[ 1250.798719][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1250.798719][   T10]      addrconf_add_dev+0xe2/0x170
[ 1250.798719][   T10]      inet6_addr_add+0x12f/0xa40
[ 1250.798719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.798719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.798719][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.798719][   T10]      netlink_unicast+0x449/0x710
[ 1250.798719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.798719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.798719][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.798719][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.798719][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.798719][   T10] 
[ 1250.800990][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.800990][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1250.800990][   T10]      ipv6_find_idev+0x102/0x170
[ 1250.800990][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1250.800990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.800990][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.800990][   T10]      netlink_unicast+0x449/0x710
[ 1250.800990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.800990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.800990][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.800990][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.800990][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.800990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.800990][   T10] 
[ 1250.802974][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1250.802974][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1250.802974][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1250.802974][   T10]      ipv6_find_idev+0x102/0x170
[ 1250.802974][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1250.802974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.802974][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.802974][   T10]      netlink_unicast+0x449/0x710
[ 1250.802974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.802974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.802974][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.802974][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.802974][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.802974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.802974][   T10] 
[ 1250.805224][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1250.805488][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1250.805488][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.805488][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.805488][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.805488][   T10]      ip6_route_add+0x1c/0x140
[ 1250.805488][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1250.805488][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1250.805488][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.805488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.805488][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.805488][   T10]      netlink_unicast+0x449/0x710
[ 1250.805488][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.805488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.805488][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.805488][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.805488][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.805488][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.805488][   T10] 
[ 1250.808055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1250.808055][   T10]      netdev_get_by_index+0x5e/0x80
[ 1250.808055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1250.808055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1250.808055][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1250.808055][   T10]      ipv6_add_addr+0x411/0x2000
[ 1250.808055][   T10]      inet6_addr_add+0x30e/0xa40
[ 1250.808055][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1250.808055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.808055][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.808055][   T10]      netlink_unicast+0x449/0x710
[ 1250.808055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.808055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.808055][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.808055][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.808055][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.808055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.808055][   T10] 
[ 1250.810653][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1250.810653][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1250.810653][   T10]      ipv6_find_idev+0x102/0x170
[ 1250.810653][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1250.810653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.810653][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.810653][   T10]      netlink_unicast+0x449/0x710
[ 1250.810653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.810653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.810653][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.810653][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.810653][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.810653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.810653][   T10] 
[ 1250.812555][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1250.812555][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1250.812555][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1250.812555][   T10]      ipv6_find_idev+0x102/0x170
[ 1250.812555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1250.812555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1250.812555][   T10]      netlink_rcv_skb+0x130/0x360
[ 1250.812555][   T10]      netlink_unicast+0x449/0x710
[ 1250.812555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1250.812555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1250.812555][   T10]      ___sys_sendmsg+0xee/0x170
[ 1250.812555][   T10]      __sys_sendmsg+0xcd/0x170
[ 1250.812555][   T10]      do_syscall_64+0xc6/0x1e0
[ 1250.812555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1250.812555][   T10] 
[ 1260.945603][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1260.946038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.946038][   T10]      dst_init+0x84/0x4a0
[ 1260.946038][   T10]      dst_alloc+0x97/0x150
[ 1260.946038][   T10]      ip6_dst_alloc+0x23/0x90
[ 1260.946038][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1260.946038][   T10]      ip6_pol_route+0x56f/0x840
[ 1260.946038][   T10]      fib6_rule_lookup+0x456/0x630
[ 1260.946038][   T10]      ip6_route_input+0x59c/0xa50
[ 1260.946038][   T10]      ipv6_rcv+0x397/0x810
[ 1260.946038][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1260.946038][   T10]      process_backlog+0x101/0x620
[ 1260.946038][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1260.946038][   T10]      net_rx_action+0x495/0xbe0
[ 1260.946038][   T10]      __do_softirq+0x1b5/0x7f6
[ 1260.946038][   T10] 
[ 1260.947904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.947904][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1260.947904][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1260.947904][   T10]      fib6_nh_init+0xa22/0x1580
[ 1260.947904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.947904][   T10]      ip6_route_add+0x1c/0x140
[ 1260.947904][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1260.947904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.947904][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.947904][   T10]      netlink_unicast+0x449/0x710
[ 1260.947904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.947904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.947904][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.947904][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.947904][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.947904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.947904][   T10] 
[ 1260.950039][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.950039][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.950039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.950039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.950039][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1260.950039][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1260.950039][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1260.950039][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1260.950039][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1260.950039][   T10]      addrconf_dad_begin+0x310/0x670
[ 1260.950039][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1260.950039][   T10]      process_one_work+0x84d/0x18a0
[ 1260.950039][   T10]      worker_thread+0x587/0xd30
[ 1260.950039][   T10]      kthread+0x28a/0x350
[ 1260.950039][   T10]      ret_from_fork+0x31/0x70
[ 1260.950039][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1260.950039][   T10] 
[ 1260.952189][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.952189][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.952189][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.952189][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.952189][   T10]      ip6_route_add+0x1c/0x140
[ 1260.952189][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1260.952189][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1260.952189][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.952189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.952189][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.952189][   T10]      netlink_unicast+0x449/0x710
[ 1260.952189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.952189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.952189][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.952189][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.952189][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.952189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.952189][   T10] 
[ 1260.954378][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.954378][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.954378][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.954378][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.954378][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1260.954378][   T10]      ipv6_add_addr+0x411/0x2000
[ 1260.954378][   T10]      inet6_addr_add+0x30e/0xa40
[ 1260.954378][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.954378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.954378][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.954378][   T10]      netlink_unicast+0x449/0x710
[ 1260.954378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.954378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.954378][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.954378][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.954378][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.954378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.954378][   T10] 
[ 1260.956655][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.956655][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.956655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.956655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.956655][   T10]      ip6_route_add+0x1c/0x140
[ 1260.956655][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1260.956655][   T10]      addrconf_add_dev+0xe2/0x170
[ 1260.956655][   T10]      inet6_addr_add+0x12f/0xa40
[ 1260.956655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.956655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.956655][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.956655][   T10]      netlink_unicast+0x449/0x710
[ 1260.956655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.956655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.956655][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.956655][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.956655][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.956655][   T10] 
[ 1260.958913][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.958913][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1260.958913][   T10]      ipv6_find_idev+0x102/0x170
[ 1260.958913][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1260.958913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.958913][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.958913][   T10]      netlink_unicast+0x449/0x710
[ 1260.958913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.958913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.958913][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.958913][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.958913][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.958913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.958913][   T10] 
[ 1260.960658][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1260.960658][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1260.960658][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1260.960658][   T10]      ipv6_find_idev+0x102/0x170
[ 1260.960658][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1260.960658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.960658][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.960658][   T10]      netlink_unicast+0x449/0x710
[ 1260.960658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.960658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.960658][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.960658][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.960658][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.960658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.960658][   T10] 
[ 1260.963207][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1260.963478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.963478][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1260.963478][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1260.963478][   T10]      fib6_nh_init+0xa22/0x1580
[ 1260.963478][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.963478][   T10]      ip6_route_add+0x1c/0x140
[ 1260.963478][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1260.963478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.963478][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.963478][   T10]      netlink_unicast+0x449/0x710
[ 1260.963478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.963478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.963478][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.963478][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.963478][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.963478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.963478][   T10] 
[ 1260.965591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.965591][   T10]      dst_init+0x84/0x4a0
[ 1260.965591][   T10]      dst_alloc+0x97/0x150
[ 1260.965591][   T10]      ip6_dst_alloc+0x23/0x90
[ 1260.965591][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1260.965591][   T10]      ip6_pol_route+0x56f/0x840
[ 1260.965591][   T10]      fib6_rule_lookup+0x456/0x630
[ 1260.965591][   T10]      ip6_route_input+0x59c/0xa50
[ 1260.965591][   T10]      ipv6_rcv+0x397/0x810
[ 1260.965591][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1260.965591][   T10]      process_backlog+0x101/0x620
[ 1260.965591][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1260.965591][   T10]      net_rx_action+0x495/0xbe0
[ 1260.965591][   T10]      __do_softirq+0x1b5/0x7f6
[ 1260.965591][   T10] 
[ 1260.967675][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.967675][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.967675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.967675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.967675][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1260.967675][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1260.967675][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1260.967675][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1260.967675][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1260.967675][   T10]      addrconf_dad_begin+0x310/0x670
[ 1260.967675][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1260.967675][   T10]      process_one_work+0x84d/0x18a0
[ 1260.967675][   T10]      worker_thread+0x587/0xd30
[ 1260.967675][   T10]      kthread+0x28a/0x350
[ 1260.967675][   T10]      ret_from_fork+0x31/0x70
[ 1260.967675][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1260.967675][   T10] 
[ 1260.970001][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.970001][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.970001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.970001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.970001][   T10]      ip6_route_add+0x1c/0x140
[ 1260.970001][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1260.970001][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1260.970001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.970001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.970001][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.970001][   T10]      netlink_unicast+0x449/0x710
[ 1260.970001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.970001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.970001][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.970001][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.970001][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.970001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.970001][   T10] 
[ 1260.972596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.972596][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.972596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.972596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.972596][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1260.972596][   T10]      ipv6_add_addr+0x411/0x2000
[ 1260.972596][   T10]      inet6_addr_add+0x30e/0xa40
[ 1260.972596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.972596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.972596][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.972596][   T10]      netlink_unicast+0x449/0x710
[ 1260.972596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.972596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.972596][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.972596][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.972596][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.972596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.972596][   T10] 
[ 1260.975154][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.975154][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.975154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.975154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.975154][   T10]      ip6_route_add+0x1c/0x140
[ 1260.975154][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1260.975154][   T10]      addrconf_add_dev+0xe2/0x170
[ 1260.975154][   T10]      inet6_addr_add+0x12f/0xa40
[ 1260.975154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.975154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.975154][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.975154][   T10]      netlink_unicast+0x449/0x710
[ 1260.975154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.975154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.975154][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.975154][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.975154][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.975154][   T10] 
[ 1260.977691][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.977691][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1260.977691][   T10]      ipv6_find_idev+0x102/0x170
[ 1260.977691][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1260.977691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.977691][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.977691][   T10]      netlink_unicast+0x449/0x710
[ 1260.977691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.977691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.977691][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.977691][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.977691][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.977691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.977691][   T10] 
[ 1260.979524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1260.979524][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1260.979524][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1260.979524][   T10]      ipv6_find_idev+0x102/0x170
[ 1260.979524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1260.979524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.979524][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.979524][   T10]      netlink_unicast+0x449/0x710
[ 1260.979524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.979524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.979524][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.979524][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.979524][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.979524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.979524][   T10] 
[ 1260.981763][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1260.982028][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1260.982028][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.982028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.982028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.982028][   T10]      ip6_route_add+0x1c/0x140
[ 1260.982028][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1260.982028][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1260.982028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.982028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.982028][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.982028][   T10]      netlink_unicast+0x449/0x710
[ 1260.982028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.982028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.982028][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.982028][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.982028][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.982028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.982028][   T10] 
[ 1260.984514][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1260.984514][   T10]      netdev_get_by_index+0x5e/0x80
[ 1260.984514][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1260.984514][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1260.984514][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1260.984514][   T10]      ipv6_add_addr+0x411/0x2000
[ 1260.984514][   T10]      inet6_addr_add+0x30e/0xa40
[ 1260.984514][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1260.984514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.984514][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.984514][   T10]      netlink_unicast+0x449/0x710
[ 1260.984514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.984514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.984514][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.984514][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.984514][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.984514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.984514][   T10] 
[ 1260.987189][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1260.987189][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1260.987189][   T10]      ipv6_find_idev+0x102/0x170
[ 1260.987189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1260.987189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.987189][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.987189][   T10]      netlink_unicast+0x449/0x710
[ 1260.987189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.987189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.987189][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.987189][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.987189][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.987189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.987189][   T10] 
[ 1260.988984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1260.988984][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1260.988984][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1260.988984][   T10]      ipv6_find_idev+0x102/0x170
[ 1260.988984][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1260.988984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1260.988984][   T10]      netlink_rcv_skb+0x130/0x360
[ 1260.988984][   T10]      netlink_unicast+0x449/0x710
[ 1260.988984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1260.988984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1260.988984][   T10]      ___sys_sendmsg+0xee/0x170
[ 1260.988984][   T10]      __sys_sendmsg+0xcd/0x170
[ 1260.988984][   T10]      do_syscall_64+0xc6/0x1e0
[ 1260.988984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1260.988984][   T10] 
[ 1271.113708][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1271.114042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.114042][   T10]      dst_init+0x84/0x4a0
[ 1271.114042][   T10]      dst_alloc+0x97/0x150
[ 1271.114042][   T10]      ip6_dst_alloc+0x23/0x90
[ 1271.114042][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1271.114042][   T10]      ip6_pol_route+0x56f/0x840
[ 1271.114042][   T10]      fib6_rule_lookup+0x456/0x630
[ 1271.114042][   T10]      ip6_route_input+0x59c/0xa50
[ 1271.114042][   T10]      ipv6_rcv+0x397/0x810
[ 1271.114042][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1271.114042][   T10]      process_backlog+0x101/0x620
[ 1271.114042][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1271.114042][   T10]      net_rx_action+0x495/0xbe0
[ 1271.114042][   T10]      __do_softirq+0x1b5/0x7f6
[ 1271.114042][   T10] 
[ 1271.115909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.115909][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1271.115909][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1271.115909][   T10]      fib6_nh_init+0xa22/0x1580
[ 1271.115909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.115909][   T10]      ip6_route_add+0x1c/0x140
[ 1271.115909][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1271.115909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.115909][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.115909][   T10]      netlink_unicast+0x449/0x710
[ 1271.115909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.115909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.115909][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.115909][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.115909][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.115909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.115909][   T10] 
[ 1271.118025][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.118025][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.118025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.118025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.118025][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1271.118025][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1271.118025][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1271.118025][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1271.118025][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1271.118025][   T10]      addrconf_dad_begin+0x310/0x670
[ 1271.118025][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1271.118025][   T10]      process_one_work+0x84d/0x18a0
[ 1271.118025][   T10]      worker_thread+0x587/0xd30
[ 1271.118025][   T10]      kthread+0x28a/0x350
[ 1271.118025][   T10]      ret_from_fork+0x31/0x70
[ 1271.118025][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1271.118025][   T10] 
[ 1271.120202][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.120202][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.120202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.120202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.120202][   T10]      ip6_route_add+0x1c/0x140
[ 1271.120202][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1271.120202][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1271.120202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.120202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.120202][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.120202][   T10]      netlink_unicast+0x449/0x710
[ 1271.120202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.120202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.120202][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.120202][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.120202][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.120202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.120202][   T10] 
[ 1271.122499][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.122499][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.122499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.122499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.122499][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1271.122499][   T10]      ipv6_add_addr+0x411/0x2000
[ 1271.122499][   T10]      inet6_addr_add+0x30e/0xa40
[ 1271.122499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.122499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.122499][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.122499][   T10]      netlink_unicast+0x449/0x710
[ 1271.122499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.122499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.122499][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.122499][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.122499][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.122499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.122499][   T10] 
[ 1271.124753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.124753][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.124753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.124753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.124753][   T10]      ip6_route_add+0x1c/0x140
[ 1271.124753][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1271.124753][   T10]      addrconf_add_dev+0xe2/0x170
[ 1271.124753][   T10]      inet6_addr_add+0x12f/0xa40
[ 1271.124753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.124753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.124753][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.124753][   T10]      netlink_unicast+0x449/0x710
[ 1271.124753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.124753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.124753][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.124753][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.124753][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.124753][   T10] 
[ 1271.126921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.126921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1271.126921][   T10]      ipv6_find_idev+0x102/0x170
[ 1271.126921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1271.126921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.126921][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.126921][   T10]      netlink_unicast+0x449/0x710
[ 1271.126921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.126921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.126921][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.126921][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.126921][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.126921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.126921][   T10] 
[ 1271.128652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1271.128652][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1271.128652][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1271.128652][   T10]      ipv6_find_idev+0x102/0x170
[ 1271.128652][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1271.128652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.128652][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.128652][   T10]      netlink_unicast+0x449/0x710
[ 1271.128652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.128652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.128652][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.128652][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.128652][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.128652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.128652][   T10] 
[ 1271.130564][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1271.130853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.130853][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1271.130853][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1271.130853][   T10]      fib6_nh_init+0xa22/0x1580
[ 1271.130853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.130853][   T10]      ip6_route_add+0x1c/0x140
[ 1271.130853][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1271.130853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.130853][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.130853][   T10]      netlink_unicast+0x449/0x710
[ 1271.130853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.130853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.130853][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.130853][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.130853][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.130853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.130853][   T10] 
[ 1271.132956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.132956][   T10]      dst_init+0x84/0x4a0
[ 1271.132956][   T10]      dst_alloc+0x97/0x150
[ 1271.132956][   T10]      ip6_dst_alloc+0x23/0x90
[ 1271.132956][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1271.132956][   T10]      ip6_pol_route+0x56f/0x840
[ 1271.132956][   T10]      fib6_rule_lookup+0x456/0x630
[ 1271.132956][   T10]      ip6_route_input+0x59c/0xa50
[ 1271.132956][   T10]      ipv6_rcv+0x397/0x810
[ 1271.132956][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1271.132956][   T10]      process_backlog+0x101/0x620
[ 1271.132956][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1271.132956][   T10]      net_rx_action+0x495/0xbe0
[ 1271.132956][   T10]      __do_softirq+0x1b5/0x7f6
[ 1271.132956][   T10] 
[ 1271.134982][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.134982][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.134982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.134982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.134982][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1271.134982][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1271.134982][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1271.134982][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1271.134982][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1271.134982][   T10]      addrconf_dad_begin+0x310/0x670
[ 1271.134982][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1271.134982][   T10]      process_one_work+0x84d/0x18a0
[ 1271.134982][   T10]      worker_thread+0x587/0xd30
[ 1271.134982][   T10]      kthread+0x28a/0x350
[ 1271.134982][   T10]      ret_from_fork+0x31/0x70
[ 1271.134982][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1271.134982][   T10] 
[ 1271.137359][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.137359][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.137359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.137359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.137359][   T10]      ip6_route_add+0x1c/0x140
[ 1271.137359][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1271.137359][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1271.137359][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.137359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.137359][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.137359][   T10]      netlink_unicast+0x449/0x710
[ 1271.137359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.137359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.137359][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.137359][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.137359][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.137359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.137359][   T10] 
[ 1271.139736][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.139736][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.139736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.139736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.139736][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1271.139736][   T10]      ipv6_add_addr+0x411/0x2000
[ 1271.139736][   T10]      inet6_addr_add+0x30e/0xa40
[ 1271.139736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.139736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.139736][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.139736][   T10]      netlink_unicast+0x449/0x710
[ 1271.139736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.139736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.139736][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.139736][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.139736][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.139736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.139736][   T10] 
[ 1271.142246][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.142246][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.142246][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.142246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.142246][   T10]      ip6_route_add+0x1c/0x140
[ 1271.142246][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1271.142246][   T10]      addrconf_add_dev+0xe2/0x170
[ 1271.142246][   T10]      inet6_addr_add+0x12f/0xa40
[ 1271.142246][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.142246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.142246][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.142246][   T10]      netlink_unicast+0x449/0x710
[ 1271.142246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.142246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.142246][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.142246][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.142246][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.142246][   T10] 
[ 1271.144633][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.144633][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1271.144633][   T10]      ipv6_find_idev+0x102/0x170
[ 1271.144633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1271.144633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.144633][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.144633][   T10]      netlink_unicast+0x449/0x710
[ 1271.144633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.144633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.144633][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.144633][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.144633][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.144633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.144633][   T10] 
[ 1271.146425][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1271.146425][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1271.146425][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1271.146425][   T10]      ipv6_find_idev+0x102/0x170
[ 1271.146425][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1271.146425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.146425][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.146425][   T10]      netlink_unicast+0x449/0x710
[ 1271.146425][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.146425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.146425][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.146425][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.146425][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.146425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.146425][   T10] 
[ 1271.148538][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1271.148809][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1271.148809][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.148809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.148809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.148809][   T10]      ip6_route_add+0x1c/0x140
[ 1271.148809][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1271.148809][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1271.148809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.148809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.148809][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.148809][   T10]      netlink_unicast+0x449/0x710
[ 1271.148809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.148809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.148809][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.148809][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.148809][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.148809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.148809][   T10] 
[ 1271.151363][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1271.151363][   T10]      netdev_get_by_index+0x5e/0x80
[ 1271.151363][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1271.151363][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1271.151363][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1271.151363][   T10]      ipv6_add_addr+0x411/0x2000
[ 1271.151363][   T10]      inet6_addr_add+0x30e/0xa40
[ 1271.151363][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1271.151363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.151363][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.151363][   T10]      netlink_unicast+0x449/0x710
[ 1271.151363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.151363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.151363][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.151363][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.151363][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.151363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.151363][   T10] 
[ 1271.153959][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1271.153959][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1271.153959][   T10]      ipv6_find_idev+0x102/0x170
[ 1271.153959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1271.153959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.153959][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.153959][   T10]      netlink_unicast+0x449/0x710
[ 1271.153959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.153959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.153959][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.153959][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.153959][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.153959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.153959][   T10] 
[ 1271.155883][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1271.155883][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1271.155883][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1271.155883][   T10]      ipv6_find_idev+0x102/0x170
[ 1271.155883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1271.155883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1271.155883][   T10]      netlink_rcv_skb+0x130/0x360
[ 1271.155883][   T10]      netlink_unicast+0x449/0x710
[ 1271.155883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1271.155883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1271.155883][   T10]      ___sys_sendmsg+0xee/0x170
[ 1271.155883][   T10]      __sys_sendmsg+0xcd/0x170
[ 1271.155883][   T10]      do_syscall_64+0xc6/0x1e0
[ 1271.155883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1271.155883][   T10] 
[ 1281.240623][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1281.241043][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.241043][   T10]      dst_init+0x84/0x4a0
[ 1281.241043][   T10]      dst_alloc+0x97/0x150
[ 1281.241043][   T10]      ip6_dst_alloc+0x23/0x90
[ 1281.241043][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1281.241043][   T10]      ip6_pol_route+0x56f/0x840
[ 1281.241043][   T10]      fib6_rule_lookup+0x456/0x630
[ 1281.241043][   T10]      ip6_route_input+0x59c/0xa50
[ 1281.241043][   T10]      ipv6_rcv+0x397/0x810
[ 1281.241043][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1281.241043][   T10]      process_backlog+0x101/0x620
[ 1281.241043][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1281.241043][   T10]      net_rx_action+0x495/0xbe0
[ 1281.241043][   T10]      __do_softirq+0x1b5/0x7f6
[ 1281.241043][   T10] 
[ 1281.242909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.242909][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1281.242909][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1281.242909][   T10]      fib6_nh_init+0xa22/0x1580
[ 1281.242909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.242909][   T10]      ip6_route_add+0x1c/0x140
[ 1281.242909][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1281.242909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.242909][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.242909][   T10]      netlink_unicast+0x449/0x710
[ 1281.242909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.242909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.242909][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.242909][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.242909][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.242909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.242909][   T10] 
[ 1281.245027][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.245027][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.245027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.245027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.245027][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1281.245027][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1281.245027][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1281.245027][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1281.245027][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1281.245027][   T10]      addrconf_dad_begin+0x310/0x670
[ 1281.245027][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1281.245027][   T10]      process_one_work+0x84d/0x18a0
[ 1281.245027][   T10]      worker_thread+0x587/0xd30
[ 1281.245027][   T10]      kthread+0x28a/0x350
[ 1281.245027][   T10]      ret_from_fork+0x31/0x70
[ 1281.245027][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1281.245027][   T10] 
[ 1281.247139][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.247139][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.247139][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.247139][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.247139][   T10]      ip6_route_add+0x1c/0x140
[ 1281.247139][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1281.247139][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1281.247139][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.247139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.247139][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.247139][   T10]      netlink_unicast+0x449/0x710
[ 1281.247139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.247139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.247139][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.247139][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.247139][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.247139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.247139][   T10] 
[ 1281.249423][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.249423][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.249423][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.249423][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.249423][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1281.249423][   T10]      ipv6_add_addr+0x411/0x2000
[ 1281.249423][   T10]      inet6_addr_add+0x30e/0xa40
[ 1281.249423][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.249423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.249423][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.249423][   T10]      netlink_unicast+0x449/0x710
[ 1281.249423][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.249423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.249423][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.249423][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.249423][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.249423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.249423][   T10] 
[ 1281.251671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.251671][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.251671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.251671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.251671][   T10]      ip6_route_add+0x1c/0x140
[ 1281.251671][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1281.251671][   T10]      addrconf_add_dev+0xe2/0x170
[ 1281.251671][   T10]      inet6_addr_add+0x12f/0xa40
[ 1281.251671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.251671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.251671][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.251671][   T10]      netlink_unicast+0x449/0x710
[ 1281.251671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.251671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.251671][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.251671][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.251671][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.251671][   T10] 
[ 1281.253916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.253916][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1281.253916][   T10]      ipv6_find_idev+0x102/0x170
[ 1281.253916][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1281.253916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.253916][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.253916][   T10]      netlink_unicast+0x449/0x710
[ 1281.253916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.253916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.253916][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.253916][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.253916][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.253916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.253916][   T10] 
[ 1281.255614][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1281.255614][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1281.255614][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1281.255614][   T10]      ipv6_find_idev+0x102/0x170
[ 1281.255614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1281.255614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.255614][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.255614][   T10]      netlink_unicast+0x449/0x710
[ 1281.255614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.255614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.255614][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.255614][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.255614][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.255614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.255614][   T10] 
[ 1281.257924][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1281.258197][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.258197][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1281.258197][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1281.258197][   T10]      fib6_nh_init+0xa22/0x1580
[ 1281.258197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.258197][   T10]      ip6_route_add+0x1c/0x140
[ 1281.258197][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1281.258197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.258197][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.258197][   T10]      netlink_unicast+0x449/0x710
[ 1281.258197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.258197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.258197][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.258197][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.258197][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.258197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.258197][   T10] 
[ 1281.260313][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.260313][   T10]      dst_init+0x84/0x4a0
[ 1281.260313][   T10]      dst_alloc+0x97/0x150
[ 1281.260313][   T10]      ip6_dst_alloc+0x23/0x90
[ 1281.260313][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1281.260313][   T10]      ip6_pol_route+0x56f/0x840
[ 1281.260313][   T10]      fib6_rule_lookup+0x456/0x630
[ 1281.260313][   T10]      ip6_route_input+0x59c/0xa50
[ 1281.260313][   T10]      ipv6_rcv+0x397/0x810
[ 1281.260313][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1281.260313][   T10]      process_backlog+0x101/0x620
[ 1281.260313][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1281.260313][   T10]      net_rx_action+0x495/0xbe0
[ 1281.260313][   T10]      __do_softirq+0x1b5/0x7f6
[ 1281.260313][   T10] 
[ 1281.262129][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.262129][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.262129][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.262129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.262129][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1281.262129][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1281.262129][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1281.262129][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1281.262129][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1281.262129][   T10]      addrconf_dad_begin+0x310/0x670
[ 1281.262129][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1281.262129][   T10]      process_one_work+0x84d/0x18a0
[ 1281.262129][   T10]      worker_thread+0x587/0xd30
[ 1281.262129][   T10]      kthread+0x28a/0x350
[ 1281.262129][   T10]      ret_from_fork+0x31/0x70
[ 1281.262129][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1281.262129][   T10] 
[ 1281.264467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.264467][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.264467][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.264467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.264467][   T10]      ip6_route_add+0x1c/0x140
[ 1281.264467][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1281.264467][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1281.264467][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.264467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.264467][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.264467][   T10]      netlink_unicast+0x449/0x710
[ 1281.264467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.264467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.264467][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.264467][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.264467][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.264467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.264467][   T10] 
[ 1281.266893][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.266893][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.266893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.266893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.266893][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1281.266893][   T10]      ipv6_add_addr+0x411/0x2000
[ 1281.266893][   T10]      inet6_addr_add+0x30e/0xa40
[ 1281.266893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.266893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.266893][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.266893][   T10]      netlink_unicast+0x449/0x710
[ 1281.266893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.266893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.266893][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.266893][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.266893][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.266893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.266893][   T10] 
[ 1281.269461][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.269461][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.269461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.269461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.269461][   T10]      ip6_route_add+0x1c/0x140
[ 1281.269461][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1281.269461][   T10]      addrconf_add_dev+0xe2/0x170
[ 1281.269461][   T10]      inet6_addr_add+0x12f/0xa40
[ 1281.269461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.269461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.269461][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.269461][   T10]      netlink_unicast+0x449/0x710
[ 1281.269461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.269461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.269461][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.269461][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.269461][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.269461][   T10] 
[ 1281.271835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.271835][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1281.271835][   T10]      ipv6_find_idev+0x102/0x170
[ 1281.271835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1281.271835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.271835][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.271835][   T10]      netlink_unicast+0x449/0x710
[ 1281.271835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.271835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.271835][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.271835][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.271835][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.271835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.271835][   T10] 
[ 1281.273878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1281.273878][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1281.273878][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1281.273878][   T10]      ipv6_find_idev+0x102/0x170
[ 1281.273878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1281.273878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.273878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.273878][   T10]      netlink_unicast+0x449/0x710
[ 1281.273878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.273878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.273878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.273878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.273878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.273878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.273878][   T10] 
[ 1281.276016][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1281.276283][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1281.276283][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.276283][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.276283][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.276283][   T10]      ip6_route_add+0x1c/0x140
[ 1281.276283][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1281.276283][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1281.276283][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.276283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.276283][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.276283][   T10]      netlink_unicast+0x449/0x710
[ 1281.276283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.276283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.276283][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.276283][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.276283][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.276283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.276283][   T10] 
[ 1281.278650][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1281.278650][   T10]      netdev_get_by_index+0x5e/0x80
[ 1281.278650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1281.278650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1281.278650][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1281.278650][   T10]      ipv6_add_addr+0x411/0x2000
[ 1281.278650][   T10]      inet6_addr_add+0x30e/0xa40
[ 1281.278650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1281.278650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.278650][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.278650][   T10]      netlink_unicast+0x449/0x710
[ 1281.278650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.278650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.278650][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.278650][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.278650][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.278650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.278650][   T10] 
[ 1281.281362][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1281.281362][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1281.281362][   T10]      ipv6_find_idev+0x102/0x170
[ 1281.281362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1281.281362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.281362][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.281362][   T10]      netlink_unicast+0x449/0x710
[ 1281.281362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.281362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.281362][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.281362][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.281362][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.281362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.281362][   T10] 
[ 1281.283289][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1281.283289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1281.283289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1281.283289][   T10]      ipv6_find_idev+0x102/0x170
[ 1281.283289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1281.283289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1281.283289][   T10]      netlink_rcv_skb+0x130/0x360
[ 1281.283289][   T10]      netlink_unicast+0x449/0x710
[ 1281.283289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1281.283289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1281.283289][   T10]      ___sys_sendmsg+0xee/0x170
[ 1281.283289][   T10]      __sys_sendmsg+0xcd/0x170
[ 1281.283289][   T10]      do_syscall_64+0xc6/0x1e0
[ 1281.283289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1281.283289][   T10] 
[ 1291.400618][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1291.401029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.401029][   T10]      dst_init+0x84/0x4a0
[ 1291.401029][   T10]      dst_alloc+0x97/0x150
[ 1291.401029][   T10]      ip6_dst_alloc+0x23/0x90
[ 1291.401029][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1291.401029][   T10]      ip6_pol_route+0x56f/0x840
[ 1291.401029][   T10]      fib6_rule_lookup+0x456/0x630
[ 1291.401029][   T10]      ip6_route_input+0x59c/0xa50
[ 1291.401029][   T10]      ipv6_rcv+0x397/0x810
[ 1291.401029][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1291.401029][   T10]      process_backlog+0x101/0x620
[ 1291.401029][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1291.401029][   T10]      net_rx_action+0x495/0xbe0
[ 1291.401029][   T10]      __do_softirq+0x1b5/0x7f6
[ 1291.401029][   T10] 
[ 1291.402906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.402906][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1291.402906][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1291.402906][   T10]      fib6_nh_init+0xa22/0x1580
[ 1291.402906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.402906][   T10]      ip6_route_add+0x1c/0x140
[ 1291.402906][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1291.402906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.402906][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.402906][   T10]      netlink_unicast+0x449/0x710
[ 1291.402906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.402906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.402906][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.402906][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.402906][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.402906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.402906][   T10] 
[ 1291.405014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.405014][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.405014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.405014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.405014][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1291.405014][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1291.405014][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1291.405014][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1291.405014][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1291.405014][   T10]      addrconf_dad_begin+0x310/0x670
[ 1291.405014][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1291.405014][   T10]      process_one_work+0x84d/0x18a0
[ 1291.405014][   T10]      worker_thread+0x587/0xd30
[ 1291.405014][   T10]      kthread+0x28a/0x350
[ 1291.405014][   T10]      ret_from_fork+0x31/0x70
[ 1291.405014][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1291.405014][   T10] 
[ 1291.407106][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.407106][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.407106][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.407106][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.407106][   T10]      ip6_route_add+0x1c/0x140
[ 1291.407106][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1291.407106][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1291.407106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.407106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.407106][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.407106][   T10]      netlink_unicast+0x449/0x710
[ 1291.407106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.407106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.407106][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.407106][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.407106][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.407106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.407106][   T10] 
[ 1291.409347][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.409347][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.409347][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.409347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.409347][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1291.409347][   T10]      ipv6_add_addr+0x411/0x2000
[ 1291.409347][   T10]      inet6_addr_add+0x30e/0xa40
[ 1291.409347][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.409347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.409347][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.409347][   T10]      netlink_unicast+0x449/0x710
[ 1291.409347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.409347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.409347][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.409347][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.409347][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.409347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.409347][   T10] 
[ 1291.411665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.411665][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.411665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.411665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.411665][   T10]      ip6_route_add+0x1c/0x140
[ 1291.411665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1291.411665][   T10]      addrconf_add_dev+0xe2/0x170
[ 1291.411665][   T10]      inet6_addr_add+0x12f/0xa40
[ 1291.411665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.411665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.411665][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.411665][   T10]      netlink_unicast+0x449/0x710
[ 1291.411665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.411665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.411665][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.411665][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.411665][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.411665][   T10] 
[ 1291.414058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.414058][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1291.414058][   T10]      ipv6_find_idev+0x102/0x170
[ 1291.414058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1291.414058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.414058][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.414058][   T10]      netlink_unicast+0x449/0x710
[ 1291.414058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.414058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.414058][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.414058][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.414058][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.414058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.414058][   T10] 
[ 1291.415815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1291.415815][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1291.415815][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1291.415815][   T10]      ipv6_find_idev+0x102/0x170
[ 1291.415815][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1291.415815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.415815][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.415815][   T10]      netlink_unicast+0x449/0x710
[ 1291.415815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.415815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.415815][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.415815][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.415815][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.415815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.415815][   T10] 
[ 1291.417963][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1291.418226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.418226][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1291.418226][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1291.418226][   T10]      fib6_nh_init+0xa22/0x1580
[ 1291.418226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.418226][   T10]      ip6_route_add+0x1c/0x140
[ 1291.418226][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1291.418226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.418226][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.418226][   T10]      netlink_unicast+0x449/0x710
[ 1291.418226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.418226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.418226][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.418226][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.418226][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.418226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.418226][   T10] 
[ 1291.420677][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.420677][   T10]      dst_init+0x84/0x4a0
[ 1291.420677][   T10]      dst_alloc+0x97/0x150
[ 1291.420677][   T10]      ip6_dst_alloc+0x23/0x90
[ 1291.420677][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1291.420677][   T10]      ip6_pol_route+0x56f/0x840
[ 1291.420677][   T10]      fib6_rule_lookup+0x456/0x630
[ 1291.420677][   T10]      ip6_route_input+0x59c/0xa50
[ 1291.420677][   T10]      ipv6_rcv+0x397/0x810
[ 1291.420677][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1291.420677][   T10]      process_backlog+0x101/0x620
[ 1291.420677][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1291.420677][   T10]      net_rx_action+0x495/0xbe0
[ 1291.420677][   T10]      __do_softirq+0x1b5/0x7f6
[ 1291.420677][   T10] 
[ 1291.422493][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.422493][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.422493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.422493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.422493][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1291.422493][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1291.422493][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1291.422493][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1291.422493][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1291.422493][   T10]      addrconf_dad_begin+0x310/0x670
[ 1291.422493][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1291.422493][   T10]      process_one_work+0x84d/0x18a0
[ 1291.422493][   T10]      worker_thread+0x587/0xd30
[ 1291.422493][   T10]      kthread+0x28a/0x350
[ 1291.422493][   T10]      ret_from_fork+0x31/0x70
[ 1291.422493][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1291.422493][   T10] 
[ 1291.424715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.424715][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.424715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.424715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.424715][   T10]      ip6_route_add+0x1c/0x140
[ 1291.424715][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1291.424715][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1291.424715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.424715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.424715][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.424715][   T10]      netlink_unicast+0x449/0x710
[ 1291.424715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.424715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.424715][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.424715][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.424715][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.424715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.424715][   T10] 
[ 1291.427154][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.427154][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.427154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.427154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.427154][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1291.427154][   T10]      ipv6_add_addr+0x411/0x2000
[ 1291.427154][   T10]      inet6_addr_add+0x30e/0xa40
[ 1291.427154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.427154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.427154][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.427154][   T10]      netlink_unicast+0x449/0x710
[ 1291.427154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.427154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.427154][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.427154][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.427154][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.427154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.427154][   T10] 
[ 1291.429658][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.429658][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.429658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.429658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.429658][   T10]      ip6_route_add+0x1c/0x140
[ 1291.429658][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1291.429658][   T10]      addrconf_add_dev+0xe2/0x170
[ 1291.429658][   T10]      inet6_addr_add+0x12f/0xa40
[ 1291.429658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.429658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.429658][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.429658][   T10]      netlink_unicast+0x449/0x710
[ 1291.429658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.429658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.429658][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.429658][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.429658][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.429658][   T10] 
[ 1291.432138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.432138][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1291.432138][   T10]      ipv6_find_idev+0x102/0x170
[ 1291.432138][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1291.432138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.432138][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.432138][   T10]      netlink_unicast+0x449/0x710
[ 1291.432138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.432138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.432138][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.432138][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.432138][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.432138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.432138][   T10] 
[ 1291.434198][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1291.434198][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1291.434198][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1291.434198][   T10]      ipv6_find_idev+0x102/0x170
[ 1291.434198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1291.434198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.434198][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.434198][   T10]      netlink_unicast+0x449/0x710
[ 1291.434198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.434198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.434198][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.434198][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.434198][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.434198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.434198][   T10] 
[ 1291.436282][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1291.436545][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1291.436545][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.436545][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.436545][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.436545][   T10]      ip6_route_add+0x1c/0x140
[ 1291.436545][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1291.436545][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1291.436545][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.436545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.436545][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.436545][   T10]      netlink_unicast+0x449/0x710
[ 1291.436545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.436545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.436545][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.436545][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.436545][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.436545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.436545][   T10] 
[ 1291.438850][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1291.438850][   T10]      netdev_get_by_index+0x5e/0x80
[ 1291.438850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1291.438850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1291.438850][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1291.438850][   T10]      ipv6_add_addr+0x411/0x2000
[ 1291.438850][   T10]      inet6_addr_add+0x30e/0xa40
[ 1291.438850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1291.438850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.438850][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.438850][   T10]      netlink_unicast+0x449/0x710
[ 1291.438850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.438850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.438850][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.438850][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.438850][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.438850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.438850][   T10] 
[ 1291.441064][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1291.441064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1291.441064][   T10]      ipv6_find_idev+0x102/0x170
[ 1291.441064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1291.441064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.441064][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.441064][   T10]      netlink_unicast+0x449/0x710
[ 1291.441064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.441064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.441064][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.441064][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.441064][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.441064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.441064][   T10] 
[ 1291.442962][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1291.442962][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1291.442962][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1291.442962][   T10]      ipv6_find_idev+0x102/0x170
[ 1291.442962][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1291.442962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1291.442962][   T10]      netlink_rcv_skb+0x130/0x360
[ 1291.442962][   T10]      netlink_unicast+0x449/0x710
[ 1291.442962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1291.442962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1291.442962][   T10]      ___sys_sendmsg+0xee/0x170
[ 1291.442962][   T10]      __sys_sendmsg+0xcd/0x170
[ 1291.442962][   T10]      do_syscall_64+0xc6/0x1e0
[ 1291.442962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1291.442962][   T10] 
[ 1301.641957][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1301.642400][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.642400][   T10]      dst_init+0x84/0x4a0
[ 1301.642400][   T10]      dst_alloc+0x97/0x150
[ 1301.642400][   T10]      ip6_dst_alloc+0x23/0x90
[ 1301.642400][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1301.642400][   T10]      ip6_pol_route+0x56f/0x840
[ 1301.642400][   T10]      fib6_rule_lookup+0x456/0x630
[ 1301.642400][   T10]      ip6_route_input+0x59c/0xa50
[ 1301.642400][   T10]      ipv6_rcv+0x397/0x810
[ 1301.642400][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1301.642400][   T10]      process_backlog+0x101/0x620
[ 1301.642400][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1301.642400][   T10]      net_rx_action+0x495/0xbe0
[ 1301.642400][   T10]      __do_softirq+0x1b5/0x7f6
[ 1301.642400][   T10] 
[ 1301.644341][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.644341][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1301.644341][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1301.644341][   T10]      fib6_nh_init+0xa22/0x1580
[ 1301.644341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.644341][   T10]      ip6_route_add+0x1c/0x140
[ 1301.644341][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1301.644341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.644341][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.644341][   T10]      netlink_unicast+0x449/0x710
[ 1301.644341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.644341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.644341][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.644341][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.644341][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.644341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.644341][   T10] 
[ 1301.646547][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.646547][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.646547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.646547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.646547][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1301.646547][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1301.646547][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1301.646547][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1301.646547][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1301.646547][   T10]      addrconf_dad_begin+0x310/0x670
[ 1301.646547][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1301.646547][   T10]      process_one_work+0x84d/0x18a0
[ 1301.646547][   T10]      worker_thread+0x587/0xd30
[ 1301.646547][   T10]      kthread+0x28a/0x350
[ 1301.646547][   T10]      ret_from_fork+0x31/0x70
[ 1301.646547][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1301.646547][   T10] 
[ 1301.648764][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.648764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.648764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.648764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.648764][   T10]      ip6_route_add+0x1c/0x140
[ 1301.648764][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1301.648764][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1301.648764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.648764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.648764][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.648764][   T10]      netlink_unicast+0x449/0x710
[ 1301.648764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.648764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.648764][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.648764][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.648764][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.648764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.648764][   T10] 
[ 1301.651036][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.651036][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.651036][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.651036][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.651036][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1301.651036][   T10]      ipv6_add_addr+0x411/0x2000
[ 1301.651036][   T10]      inet6_addr_add+0x30e/0xa40
[ 1301.651036][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.651036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.651036][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.651036][   T10]      netlink_unicast+0x449/0x710
[ 1301.651036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.651036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.651036][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.651036][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.651036][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.651036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.651036][   T10] 
[ 1301.653352][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.653352][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.653352][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.653352][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.653352][   T10]      ip6_route_add+0x1c/0x140
[ 1301.653352][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1301.653352][   T10]      addrconf_add_dev+0xe2/0x170
[ 1301.653352][   T10]      inet6_addr_add+0x12f/0xa40
[ 1301.653352][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.653352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.653352][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.653352][   T10]      netlink_unicast+0x449/0x710
[ 1301.653352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.653352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.653352][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.653352][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.653352][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.653352][   T10] 
[ 1301.655670][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.655670][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1301.655670][   T10]      ipv6_find_idev+0x102/0x170
[ 1301.655670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1301.655670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.655670][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.655670][   T10]      netlink_unicast+0x449/0x710
[ 1301.655670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.655670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.655670][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.655670][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.655670][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.655670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.655670][   T10] 
[ 1301.657480][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1301.657480][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1301.657480][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1301.657480][   T10]      ipv6_find_idev+0x102/0x170
[ 1301.657480][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1301.657480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.657480][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.657480][   T10]      netlink_unicast+0x449/0x710
[ 1301.657480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.657480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.657480][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.657480][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.657480][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.657480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.657480][   T10] 
[ 1301.659897][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1301.660185][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.660185][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1301.660185][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1301.660185][   T10]      fib6_nh_init+0xa22/0x1580
[ 1301.660185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.660185][   T10]      ip6_route_add+0x1c/0x140
[ 1301.660185][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1301.660185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.660185][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.660185][   T10]      netlink_unicast+0x449/0x710
[ 1301.660185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.660185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.660185][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.660185][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.660185][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.660185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.660185][   T10] 
[ 1301.662399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.662399][   T10]      dst_init+0x84/0x4a0
[ 1301.662399][   T10]      dst_alloc+0x97/0x150
[ 1301.662399][   T10]      ip6_dst_alloc+0x23/0x90
[ 1301.662399][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1301.662399][   T10]      ip6_pol_route+0x56f/0x840
[ 1301.662399][   T10]      fib6_rule_lookup+0x456/0x630
[ 1301.662399][   T10]      ip6_route_input+0x59c/0xa50
[ 1301.662399][   T10]      ipv6_rcv+0x397/0x810
[ 1301.662399][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1301.662399][   T10]      process_backlog+0x101/0x620
[ 1301.662399][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1301.662399][   T10]      net_rx_action+0x495/0xbe0
[ 1301.662399][   T10]      __do_softirq+0x1b5/0x7f6
[ 1301.662399][   T10] 
[ 1301.664564][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.664564][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.664564][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.664564][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.664564][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1301.664564][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1301.664564][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1301.664564][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1301.664564][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1301.664564][   T10]      addrconf_dad_begin+0x310/0x670
[ 1301.664564][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1301.664564][   T10]      process_one_work+0x84d/0x18a0
[ 1301.664564][   T10]      worker_thread+0x587/0xd30
[ 1301.664564][   T10]      kthread+0x28a/0x350
[ 1301.664564][   T10]      ret_from_fork+0x31/0x70
[ 1301.664564][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1301.664564][   T10] 
[ 1301.666978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.666978][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.666978][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.666978][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.666978][   T10]      ip6_route_add+0x1c/0x140
[ 1301.666978][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1301.666978][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1301.666978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.666978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.666978][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.666978][   T10]      netlink_unicast+0x449/0x710
[ 1301.666978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.666978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.666978][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.666978][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.666978][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.666978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.666978][   T10] 
[ 1301.669722][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.669722][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.669722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.669722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.669722][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1301.669722][   T10]      ipv6_add_addr+0x411/0x2000
[ 1301.669722][   T10]      inet6_addr_add+0x30e/0xa40
[ 1301.669722][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.669722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.669722][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.669722][   T10]      netlink_unicast+0x449/0x710
[ 1301.669722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.669722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.669722][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.669722][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.669722][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.669722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.669722][   T10] 
[ 1301.672172][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.672172][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.672172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.672172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.672172][   T10]      ip6_route_add+0x1c/0x140
[ 1301.672172][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1301.672172][   T10]      addrconf_add_dev+0xe2/0x170
[ 1301.672172][   T10]      inet6_addr_add+0x12f/0xa40
[ 1301.672172][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.672172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.672172][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.672172][   T10]      netlink_unicast+0x449/0x710
[ 1301.672172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.672172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.672172][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.672172][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.672172][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.672172][   T10] 
[ 1301.674577][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.674577][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1301.674577][   T10]      ipv6_find_idev+0x102/0x170
[ 1301.674577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1301.674577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.674577][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.674577][   T10]      netlink_unicast+0x449/0x710
[ 1301.674577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.674577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.674577][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.674577][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.674577][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.674577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.674577][   T10] 
[ 1301.676801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1301.676801][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1301.676801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1301.676801][   T10]      ipv6_find_idev+0x102/0x170
[ 1301.676801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1301.676801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.676801][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.676801][   T10]      netlink_unicast+0x449/0x710
[ 1301.676801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.676801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.676801][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.676801][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.676801][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.676801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.676801][   T10] 
[ 1301.678853][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1301.679132][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1301.679132][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.679132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.679132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.679132][   T10]      ip6_route_add+0x1c/0x140
[ 1301.679132][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1301.679132][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1301.679132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.679132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.679132][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.679132][   T10]      netlink_unicast+0x449/0x710
[ 1301.679132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.679132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.679132][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.679132][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.679132][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.679132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.679132][   T10] 
[ 1301.681447][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1301.681447][   T10]      netdev_get_by_index+0x5e/0x80
[ 1301.681447][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1301.681447][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1301.681447][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1301.681447][   T10]      ipv6_add_addr+0x411/0x2000
[ 1301.681447][   T10]      inet6_addr_add+0x30e/0xa40
[ 1301.681447][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1301.681447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.681447][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.681447][   T10]      netlink_unicast+0x449/0x710
[ 1301.681447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.681447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.681447][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.681447][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.681447][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.681447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.681447][   T10] 
[ 1301.683717][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1301.683717][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1301.683717][   T10]      ipv6_find_idev+0x102/0x170
[ 1301.683717][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1301.683717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.683717][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.683717][   T10]      netlink_unicast+0x449/0x710
[ 1301.683717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.683717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.683717][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.683717][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.683717][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.683717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.683717][   T10] 
[ 1301.685623][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1301.685623][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1301.685623][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1301.685623][   T10]      ipv6_find_idev+0x102/0x170
[ 1301.685623][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1301.685623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1301.685623][   T10]      netlink_rcv_skb+0x130/0x360
[ 1301.685623][   T10]      netlink_unicast+0x449/0x710
[ 1301.685623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1301.685623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1301.685623][   T10]      ___sys_sendmsg+0xee/0x170
[ 1301.685623][   T10]      __sys_sendmsg+0xcd/0x170
[ 1301.685623][   T10]      do_syscall_64+0xc6/0x1e0
[ 1301.685623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1301.685623][   T10] 
[ 1311.784608][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1311.785038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.785038][   T10]      dst_init+0x84/0x4a0
[ 1311.785038][   T10]      dst_alloc+0x97/0x150
[ 1311.785038][   T10]      ip6_dst_alloc+0x23/0x90
[ 1311.785038][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1311.785038][   T10]      ip6_pol_route+0x56f/0x840
[ 1311.785038][   T10]      fib6_rule_lookup+0x456/0x630
[ 1311.785038][   T10]      ip6_route_input+0x59c/0xa50
[ 1311.785038][   T10]      ipv6_rcv+0x397/0x810
[ 1311.785038][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1311.785038][   T10]      process_backlog+0x101/0x620
[ 1311.785038][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1311.785038][   T10]      net_rx_action+0x495/0xbe0
[ 1311.785038][   T10]      __do_softirq+0x1b5/0x7f6
[ 1311.785038][   T10] 
[ 1311.786973][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.786973][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1311.786973][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1311.786973][   T10]      fib6_nh_init+0xa22/0x1580
[ 1311.786973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.786973][   T10]      ip6_route_add+0x1c/0x140
[ 1311.786973][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1311.786973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.786973][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.786973][   T10]      netlink_unicast+0x449/0x710
[ 1311.786973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.786973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.786973][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.786973][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.786973][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.786973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.786973][   T10] 
[ 1311.789114][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.789114][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.789114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.789114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.789114][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1311.789114][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1311.789114][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1311.789114][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1311.789114][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1311.789114][   T10]      addrconf_dad_begin+0x310/0x670
[ 1311.789114][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1311.789114][   T10]      process_one_work+0x84d/0x18a0
[ 1311.789114][   T10]      worker_thread+0x587/0xd30
[ 1311.789114][   T10]      kthread+0x28a/0x350
[ 1311.789114][   T10]      ret_from_fork+0x31/0x70
[ 1311.789114][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1311.789114][   T10] 
[ 1311.791252][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.791252][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.791252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.791252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.791252][   T10]      ip6_route_add+0x1c/0x140
[ 1311.791252][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1311.791252][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1311.791252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.791252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.791252][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.791252][   T10]      netlink_unicast+0x449/0x710
[ 1311.791252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.791252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.791252][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.791252][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.791252][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.791252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.791252][   T10] 
[ 1311.793505][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.793505][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.793505][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.793505][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.793505][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1311.793505][   T10]      ipv6_add_addr+0x411/0x2000
[ 1311.793505][   T10]      inet6_addr_add+0x30e/0xa40
[ 1311.793505][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.793505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.793505][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.793505][   T10]      netlink_unicast+0x449/0x710
[ 1311.793505][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.793505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.793505][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.793505][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.793505][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.793505][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.793505][   T10] 
[ 1311.795974][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.795974][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.795974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.795974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.795974][   T10]      ip6_route_add+0x1c/0x140
[ 1311.795974][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1311.795974][   T10]      addrconf_add_dev+0xe2/0x170
[ 1311.795974][   T10]      inet6_addr_add+0x12f/0xa40
[ 1311.795974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.795974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.795974][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.795974][   T10]      netlink_unicast+0x449/0x710
[ 1311.795974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.795974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.795974][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.795974][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.795974][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.795974][   T10] 
[ 1311.798441][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.798441][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1311.798441][   T10]      ipv6_find_idev+0x102/0x170
[ 1311.798441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1311.798441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.798441][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.798441][   T10]      netlink_unicast+0x449/0x710
[ 1311.798441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.798441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.798441][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.798441][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.798441][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.798441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.798441][   T10] 
[ 1311.800253][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1311.800253][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1311.800253][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1311.800253][   T10]      ipv6_find_idev+0x102/0x170
[ 1311.800253][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1311.800253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.800253][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.800253][   T10]      netlink_unicast+0x449/0x710
[ 1311.800253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.800253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.800253][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.800253][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.800253][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.800253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.800253][   T10] 
[ 1311.802790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1311.803055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.803055][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1311.803055][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1311.803055][   T10]      fib6_nh_init+0xa22/0x1580
[ 1311.803055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.803055][   T10]      ip6_route_add+0x1c/0x140
[ 1311.803055][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1311.803055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.803055][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.803055][   T10]      netlink_unicast+0x449/0x710
[ 1311.803055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.803055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.803055][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.803055][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.803055][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.803055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.803055][   T10] 
[ 1311.805293][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.805293][   T10]      dst_init+0x84/0x4a0
[ 1311.805293][   T10]      dst_alloc+0x97/0x150
[ 1311.805293][   T10]      ip6_dst_alloc+0x23/0x90
[ 1311.805293][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1311.805293][   T10]      ip6_pol_route+0x56f/0x840
[ 1311.805293][   T10]      fib6_rule_lookup+0x456/0x630
[ 1311.805293][   T10]      ip6_route_input+0x59c/0xa50
[ 1311.805293][   T10]      ipv6_rcv+0x397/0x810
[ 1311.805293][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1311.805293][   T10]      process_backlog+0x101/0x620
[ 1311.805293][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1311.805293][   T10]      net_rx_action+0x495/0xbe0
[ 1311.805293][   T10]      __do_softirq+0x1b5/0x7f6
[ 1311.805293][   T10] 
[ 1311.807233][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.807233][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.807233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.807233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.807233][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1311.807233][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1311.807233][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1311.807233][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1311.807233][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1311.807233][   T10]      addrconf_dad_begin+0x310/0x670
[ 1311.807233][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1311.807233][   T10]      process_one_work+0x84d/0x18a0
[ 1311.807233][   T10]      worker_thread+0x587/0xd30
[ 1311.807233][   T10]      kthread+0x28a/0x350
[ 1311.807233][   T10]      ret_from_fork+0x31/0x70
[ 1311.807233][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1311.807233][   T10] 
[ 1311.809922][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.809922][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.809922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.809922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.809922][   T10]      ip6_route_add+0x1c/0x140
[ 1311.809922][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1311.809922][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1311.809922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.809922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.809922][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.809922][   T10]      netlink_unicast+0x449/0x710
[ 1311.809922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.809922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.809922][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.809922][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.809922][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.809922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.809922][   T10] 
[ 1311.812168][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.812168][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.812168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.812168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.812168][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1311.812168][   T10]      ipv6_add_addr+0x411/0x2000
[ 1311.812168][   T10]      inet6_addr_add+0x30e/0xa40
[ 1311.812168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.812168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.812168][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.812168][   T10]      netlink_unicast+0x449/0x710
[ 1311.812168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.812168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.812168][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.812168][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.812168][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.812168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.812168][   T10] 
[ 1311.814460][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.814460][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.814460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.814460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.814460][   T10]      ip6_route_add+0x1c/0x140
[ 1311.814460][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1311.814460][   T10]      addrconf_add_dev+0xe2/0x170
[ 1311.814460][   T10]      inet6_addr_add+0x12f/0xa40
[ 1311.814460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.814460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.814460][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.814460][   T10]      netlink_unicast+0x449/0x710
[ 1311.814460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.814460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.814460][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.814460][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.814460][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.814460][   T10] 
[ 1311.817087][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.817087][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1311.817087][   T10]      ipv6_find_idev+0x102/0x170
[ 1311.817087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1311.817087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.817087][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.817087][   T10]      netlink_unicast+0x449/0x710
[ 1311.817087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.817087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.817087][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.817087][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.817087][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.817087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.817087][   T10] 
[ 1311.818889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1311.818889][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1311.818889][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1311.818889][   T10]      ipv6_find_idev+0x102/0x170
[ 1311.818889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1311.818889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.818889][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.818889][   T10]      netlink_unicast+0x449/0x710
[ 1311.818889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.818889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.818889][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.818889][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.818889][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.818889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.818889][   T10] 
[ 1311.821187][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1311.821519][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1311.821519][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.821519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.821519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.821519][   T10]      ip6_route_add+0x1c/0x140
[ 1311.821519][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1311.821519][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1311.821519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.821519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.821519][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.821519][   T10]      netlink_unicast+0x449/0x710
[ 1311.821519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.821519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.821519][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.821519][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.821519][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.821519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.821519][   T10] 
[ 1311.823916][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1311.823916][   T10]      netdev_get_by_index+0x5e/0x80
[ 1311.823916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1311.823916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1311.823916][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1311.823916][   T10]      ipv6_add_addr+0x411/0x2000
[ 1311.823916][   T10]      inet6_addr_add+0x30e/0xa40
[ 1311.823916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1311.823916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.823916][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.823916][   T10]      netlink_unicast+0x449/0x710
[ 1311.823916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.823916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.823916][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.823916][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.823916][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.823916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.823916][   T10] 
[ 1311.826364][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1311.826364][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1311.826364][   T10]      ipv6_find_idev+0x102/0x170
[ 1311.826364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1311.826364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.826364][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.826364][   T10]      netlink_unicast+0x449/0x710
[ 1311.826364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.826364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.826364][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.826364][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.826364][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.826364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.826364][   T10] 
[ 1311.828322][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1311.828322][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1311.828322][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1311.828322][   T10]      ipv6_find_idev+0x102/0x170
[ 1311.828322][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1311.828322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1311.828322][   T10]      netlink_rcv_skb+0x130/0x360
[ 1311.828322][   T10]      netlink_unicast+0x449/0x710
[ 1311.828322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1311.828322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1311.828322][   T10]      ___sys_sendmsg+0xee/0x170
[ 1311.828322][   T10]      __sys_sendmsg+0xcd/0x170
[ 1311.828322][   T10]      do_syscall_64+0xc6/0x1e0
[ 1311.828322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1311.828322][   T10] 
[ 1321.914401][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1321.914824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.914824][   T10]      dst_init+0x84/0x4a0
[ 1321.914824][   T10]      dst_alloc+0x97/0x150
[ 1321.914824][   T10]      ip6_dst_alloc+0x23/0x90
[ 1321.914824][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1321.914824][   T10]      ip6_pol_route+0x56f/0x840
[ 1321.914824][   T10]      fib6_rule_lookup+0x456/0x630
[ 1321.914824][   T10]      ip6_route_input+0x59c/0xa50
[ 1321.914824][   T10]      ipv6_rcv+0x397/0x810
[ 1321.914824][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1321.914824][   T10]      process_backlog+0x101/0x620
[ 1321.914824][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1321.914824][   T10]      net_rx_action+0x495/0xbe0
[ 1321.914824][   T10]      __do_softirq+0x1b5/0x7f6
[ 1321.914824][   T10] 
[ 1321.916726][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.916726][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1321.916726][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1321.916726][   T10]      fib6_nh_init+0xa22/0x1580
[ 1321.916726][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.916726][   T10]      ip6_route_add+0x1c/0x140
[ 1321.916726][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1321.916726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.916726][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.916726][   T10]      netlink_unicast+0x449/0x710
[ 1321.916726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.916726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.916726][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.916726][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.916726][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.916726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.916726][   T10] 
[ 1321.918876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.918876][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.918876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.918876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.918876][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1321.918876][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1321.918876][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1321.918876][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1321.918876][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1321.918876][   T10]      addrconf_dad_begin+0x310/0x670
[ 1321.918876][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1321.918876][   T10]      process_one_work+0x84d/0x18a0
[ 1321.918876][   T10]      worker_thread+0x587/0xd30
[ 1321.918876][   T10]      kthread+0x28a/0x350
[ 1321.918876][   T10]      ret_from_fork+0x31/0x70
[ 1321.918876][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1321.918876][   T10] 
[ 1321.921014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.921014][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.921014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.921014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.921014][   T10]      ip6_route_add+0x1c/0x140
[ 1321.921014][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1321.921014][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1321.921014][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.921014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.921014][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.921014][   T10]      netlink_unicast+0x449/0x710
[ 1321.921014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.921014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.921014][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.921014][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.921014][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.921014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.921014][   T10] 
[ 1321.923273][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.923273][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.923273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.923273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.923273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1321.923273][   T10]      ipv6_add_addr+0x411/0x2000
[ 1321.923273][   T10]      inet6_addr_add+0x30e/0xa40
[ 1321.923273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.923273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.923273][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.923273][   T10]      netlink_unicast+0x449/0x710
[ 1321.923273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.923273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.923273][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.923273][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.923273][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.923273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.923273][   T10] 
[ 1321.925488][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.925488][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.925488][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.925488][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.925488][   T10]      ip6_route_add+0x1c/0x140
[ 1321.925488][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1321.925488][   T10]      addrconf_add_dev+0xe2/0x170
[ 1321.925488][   T10]      inet6_addr_add+0x12f/0xa40
[ 1321.925488][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.925488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.925488][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.925488][   T10]      netlink_unicast+0x449/0x710
[ 1321.925488][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.925488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.925488][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.925488][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.925488][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.925488][   T10] 
[ 1321.927693][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.927693][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1321.927693][   T10]      ipv6_find_idev+0x102/0x170
[ 1321.927693][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1321.927693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.927693][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.927693][   T10]      netlink_unicast+0x449/0x710
[ 1321.927693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.927693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.927693][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.927693][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.927693][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.927693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.927693][   T10] 
[ 1321.929424][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1321.929424][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1321.929424][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1321.929424][   T10]      ipv6_find_idev+0x102/0x170
[ 1321.929424][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1321.929424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.929424][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.929424][   T10]      netlink_unicast+0x449/0x710
[ 1321.929424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.929424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.929424][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.929424][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.929424][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.929424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.929424][   T10] 
[ 1321.931294][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1321.931558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.931558][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1321.931558][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1321.931558][   T10]      fib6_nh_init+0xa22/0x1580
[ 1321.931558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.931558][   T10]      ip6_route_add+0x1c/0x140
[ 1321.931558][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1321.931558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.931558][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.931558][   T10]      netlink_unicast+0x449/0x710
[ 1321.931558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.931558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.931558][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.931558][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.931558][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.931558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.931558][   T10] 
[ 1321.933647][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.933647][   T10]      dst_init+0x84/0x4a0
[ 1321.933647][   T10]      dst_alloc+0x97/0x150
[ 1321.933647][   T10]      ip6_dst_alloc+0x23/0x90
[ 1321.933647][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1321.933647][   T10]      ip6_pol_route+0x56f/0x840
[ 1321.933647][   T10]      fib6_rule_lookup+0x456/0x630
[ 1321.933647][   T10]      ip6_route_input+0x59c/0xa50
[ 1321.933647][   T10]      ipv6_rcv+0x397/0x810
[ 1321.933647][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1321.933647][   T10]      process_backlog+0x101/0x620
[ 1321.933647][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1321.933647][   T10]      net_rx_action+0x495/0xbe0
[ 1321.933647][   T10]      __do_softirq+0x1b5/0x7f6
[ 1321.933647][   T10] 
[ 1321.935452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.935452][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.935452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.935452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.935452][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1321.935452][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1321.935452][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1321.935452][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1321.935452][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1321.935452][   T10]      addrconf_dad_begin+0x310/0x670
[ 1321.935452][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1321.935452][   T10]      process_one_work+0x84d/0x18a0
[ 1321.935452][   T10]      worker_thread+0x587/0xd30
[ 1321.935452][   T10]      kthread+0x28a/0x350
[ 1321.935452][   T10]      ret_from_fork+0x31/0x70
[ 1321.935452][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1321.935452][   T10] 
[ 1321.937599][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.937599][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.937599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.937599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.937599][   T10]      ip6_route_add+0x1c/0x140
[ 1321.937599][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1321.937599][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1321.937599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.937599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.937599][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.937599][   T10]      netlink_unicast+0x449/0x710
[ 1321.937599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.937599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.937599][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.937599][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.937599][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.937599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.937599][   T10] 
[ 1321.939876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.939876][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.939876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.939876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.939876][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1321.939876][   T10]      ipv6_add_addr+0x411/0x2000
[ 1321.939876][   T10]      inet6_addr_add+0x30e/0xa40
[ 1321.939876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.939876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.939876][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.939876][   T10]      netlink_unicast+0x449/0x710
[ 1321.939876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.939876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.939876][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.939876][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.939876][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.939876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.939876][   T10] 
[ 1321.942087][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.942087][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.942087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.942087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.942087][   T10]      ip6_route_add+0x1c/0x140
[ 1321.942087][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1321.942087][   T10]      addrconf_add_dev+0xe2/0x170
[ 1321.942087][   T10]      inet6_addr_add+0x12f/0xa40
[ 1321.942087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.942087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.942087][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.942087][   T10]      netlink_unicast+0x449/0x710
[ 1321.942087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.942087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.942087][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.942087][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.942087][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.942087][   T10] 
[ 1321.944283][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.944283][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1321.944283][   T10]      ipv6_find_idev+0x102/0x170
[ 1321.944283][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1321.944283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.944283][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.944283][   T10]      netlink_unicast+0x449/0x710
[ 1321.944283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.944283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.944283][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.944283][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.944283][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.944283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.944283][   T10] 
[ 1321.946020][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1321.946020][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1321.946020][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1321.946020][   T10]      ipv6_find_idev+0x102/0x170
[ 1321.946020][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1321.946020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.946020][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.946020][   T10]      netlink_unicast+0x449/0x710
[ 1321.946020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.946020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.946020][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.946020][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.946020][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.946020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.946020][   T10] 
[ 1321.947866][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1321.948123][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1321.948123][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.948123][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.948123][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.948123][   T10]      ip6_route_add+0x1c/0x140
[ 1321.948123][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1321.948123][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1321.948123][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.948123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.948123][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.948123][   T10]      netlink_unicast+0x449/0x710
[ 1321.948123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.948123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.948123][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.948123][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.948123][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.948123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.948123][   T10] 
[ 1321.950365][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1321.950365][   T10]      netdev_get_by_index+0x5e/0x80
[ 1321.950365][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1321.950365][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1321.950365][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1321.950365][   T10]      ipv6_add_addr+0x411/0x2000
[ 1321.950365][   T10]      inet6_addr_add+0x30e/0xa40
[ 1321.950365][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1321.950365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.950365][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.950365][   T10]      netlink_unicast+0x449/0x710
[ 1321.950365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.950365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.950365][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.950365][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.950365][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.950365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.950365][   T10] 
[ 1321.952602][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1321.952602][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1321.952602][   T10]      ipv6_find_idev+0x102/0x170
[ 1321.952602][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1321.952602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.952602][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.952602][   T10]      netlink_unicast+0x449/0x710
[ 1321.952602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.952602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.952602][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.952602][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.952602][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.952602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.952602][   T10] 
[ 1321.954309][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1321.954309][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1321.954309][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1321.954309][   T10]      ipv6_find_idev+0x102/0x170
[ 1321.954309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1321.954309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1321.954309][   T10]      netlink_rcv_skb+0x130/0x360
[ 1321.954309][   T10]      netlink_unicast+0x449/0x710
[ 1321.954309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1321.954309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1321.954309][   T10]      ___sys_sendmsg+0xee/0x170
[ 1321.954309][   T10]      __sys_sendmsg+0xcd/0x170
[ 1321.954309][   T10]      do_syscall_64+0xc6/0x1e0
[ 1321.954309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1321.954309][   T10] 
[ 1332.096698][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1332.097126][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.097126][   T10]      dst_init+0x84/0x4a0
[ 1332.097126][   T10]      dst_alloc+0x97/0x150
[ 1332.097126][   T10]      ip6_dst_alloc+0x23/0x90
[ 1332.097126][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1332.097126][   T10]      ip6_pol_route+0x56f/0x840
[ 1332.097126][   T10]      fib6_rule_lookup+0x456/0x630
[ 1332.097126][   T10]      ip6_route_input+0x59c/0xa50
[ 1332.097126][   T10]      ipv6_rcv+0x397/0x810
[ 1332.097126][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1332.097126][   T10]      process_backlog+0x101/0x620
[ 1332.097126][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1332.097126][   T10]      net_rx_action+0x495/0xbe0
[ 1332.097126][   T10]      __do_softirq+0x1b5/0x7f6
[ 1332.097126][   T10] 
[ 1332.098974][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.098974][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1332.098974][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1332.098974][   T10]      fib6_nh_init+0xa22/0x1580
[ 1332.098974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.098974][   T10]      ip6_route_add+0x1c/0x140
[ 1332.098974][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1332.098974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.098974][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.098974][   T10]      netlink_unicast+0x449/0x710
[ 1332.098974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.098974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.098974][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.098974][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.098974][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.098974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.098974][   T10] 
[ 1332.101147][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.101147][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.101147][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.101147][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.101147][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1332.101147][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1332.101147][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1332.101147][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1332.101147][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1332.101147][   T10]      addrconf_dad_begin+0x310/0x670
[ 1332.101147][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1332.101147][   T10]      process_one_work+0x84d/0x18a0
[ 1332.101147][   T10]      worker_thread+0x587/0xd30
[ 1332.101147][   T10]      kthread+0x28a/0x350
[ 1332.101147][   T10]      ret_from_fork+0x31/0x70
[ 1332.101147][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1332.101147][   T10] 
[ 1332.103360][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.103360][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.103360][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.103360][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.103360][   T10]      ip6_route_add+0x1c/0x140
[ 1332.103360][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1332.103360][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1332.103360][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.103360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.103360][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.103360][   T10]      netlink_unicast+0x449/0x710
[ 1332.103360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.103360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.103360][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.103360][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.103360][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.103360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.103360][   T10] 
[ 1332.105708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.105708][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.105708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.105708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.105708][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1332.105708][   T10]      ipv6_add_addr+0x411/0x2000
[ 1332.105708][   T10]      inet6_addr_add+0x30e/0xa40
[ 1332.105708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.105708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.105708][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.105708][   T10]      netlink_unicast+0x449/0x710
[ 1332.105708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.105708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.105708][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.105708][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.105708][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.105708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.105708][   T10] 
[ 1332.108185][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.108185][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.108185][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.108185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.108185][   T10]      ip6_route_add+0x1c/0x140
[ 1332.108185][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1332.108185][   T10]      addrconf_add_dev+0xe2/0x170
[ 1332.108185][   T10]      inet6_addr_add+0x12f/0xa40
[ 1332.108185][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.108185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.108185][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.108185][   T10]      netlink_unicast+0x449/0x710
[ 1332.108185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.108185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.108185][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.108185][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.108185][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.108185][   T10] 
[ 1332.110737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.110737][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1332.110737][   T10]      ipv6_find_idev+0x102/0x170
[ 1332.110737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1332.110737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.110737][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.110737][   T10]      netlink_unicast+0x449/0x710
[ 1332.110737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.110737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.110737][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.110737][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.110737][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.110737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.110737][   T10] 
[ 1332.112652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1332.112652][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1332.112652][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1332.112652][   T10]      ipv6_find_idev+0x102/0x170
[ 1332.112652][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1332.112652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.112652][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.112652][   T10]      netlink_unicast+0x449/0x710
[ 1332.112652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.112652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.112652][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.112652][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.112652][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.112652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.112652][   T10] 
[ 1332.114843][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1332.115107][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.115107][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1332.115107][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1332.115107][   T10]      fib6_nh_init+0xa22/0x1580
[ 1332.115107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.115107][   T10]      ip6_route_add+0x1c/0x140
[ 1332.115107][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1332.115107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.115107][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.115107][   T10]      netlink_unicast+0x449/0x710
[ 1332.115107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.115107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.115107][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.115107][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.115107][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.115107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.115107][   T10] 
[ 1332.117452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.117452][   T10]      dst_init+0x84/0x4a0
[ 1332.117452][   T10]      dst_alloc+0x97/0x150
[ 1332.117452][   T10]      ip6_dst_alloc+0x23/0x90
[ 1332.117452][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1332.117452][   T10]      ip6_pol_route+0x56f/0x840
[ 1332.117452][   T10]      fib6_rule_lookup+0x456/0x630
[ 1332.117452][   T10]      ip6_route_input+0x59c/0xa50
[ 1332.117452][   T10]      ipv6_rcv+0x397/0x810
[ 1332.117452][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1332.117452][   T10]      process_backlog+0x101/0x620
[ 1332.117452][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1332.117452][   T10]      net_rx_action+0x495/0xbe0
[ 1332.117452][   T10]      __do_softirq+0x1b5/0x7f6
[ 1332.117452][   T10] 
[ 1332.119607][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.119607][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.119607][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.119607][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.119607][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1332.119607][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1332.119607][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1332.119607][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1332.119607][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1332.119607][   T10]      addrconf_dad_begin+0x310/0x670
[ 1332.119607][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1332.119607][   T10]      process_one_work+0x84d/0x18a0
[ 1332.119607][   T10]      worker_thread+0x587/0xd30
[ 1332.119607][   T10]      kthread+0x28a/0x350
[ 1332.119607][   T10]      ret_from_fork+0x31/0x70
[ 1332.119607][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1332.119607][   T10] 
[ 1332.121953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.121953][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.121953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.121953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.121953][   T10]      ip6_route_add+0x1c/0x140
[ 1332.121953][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1332.121953][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1332.121953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.121953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.121953][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.121953][   T10]      netlink_unicast+0x449/0x710
[ 1332.121953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.121953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.121953][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.121953][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.121953][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.121953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.121953][   T10] 
[ 1332.124689][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.124689][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.124689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.124689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.124689][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1332.124689][   T10]      ipv6_add_addr+0x411/0x2000
[ 1332.124689][   T10]      inet6_addr_add+0x30e/0xa40
[ 1332.124689][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.124689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.124689][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.124689][   T10]      netlink_unicast+0x449/0x710
[ 1332.124689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.124689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.124689][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.124689][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.124689][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.124689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.124689][   T10] 
[ 1332.127038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.127038][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.127038][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.127038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.127038][   T10]      ip6_route_add+0x1c/0x140
[ 1332.127038][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1332.127038][   T10]      addrconf_add_dev+0xe2/0x170
[ 1332.127038][   T10]      inet6_addr_add+0x12f/0xa40
[ 1332.127038][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.127038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.127038][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.127038][   T10]      netlink_unicast+0x449/0x710
[ 1332.127038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.127038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.127038][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.127038][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.127038][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.127038][   T10] 
[ 1332.129539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.129539][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1332.129539][   T10]      ipv6_find_idev+0x102/0x170
[ 1332.129539][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1332.129539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.129539][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.129539][   T10]      netlink_unicast+0x449/0x710
[ 1332.129539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.129539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.129539][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.129539][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.129539][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.129539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.129539][   T10] 
[ 1332.131580][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1332.131580][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1332.131580][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1332.131580][   T10]      ipv6_find_idev+0x102/0x170
[ 1332.131580][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1332.131580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.131580][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.131580][   T10]      netlink_unicast+0x449/0x710
[ 1332.131580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.131580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.131580][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.131580][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.131580][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.131580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.131580][   T10] 
[ 1332.133703][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1332.133970][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1332.133970][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.133970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.133970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.133970][   T10]      ip6_route_add+0x1c/0x140
[ 1332.133970][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1332.133970][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1332.133970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.133970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.133970][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.133970][   T10]      netlink_unicast+0x449/0x710
[ 1332.133970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.133970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.133970][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.133970][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.133970][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.133970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.133970][   T10] 
[ 1332.136376][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1332.136376][   T10]      netdev_get_by_index+0x5e/0x80
[ 1332.136376][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1332.136376][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1332.136376][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1332.136376][   T10]      ipv6_add_addr+0x411/0x2000
[ 1332.136376][   T10]      inet6_addr_add+0x30e/0xa40
[ 1332.136376][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1332.136376][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.136376][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.136376][   T10]      netlink_unicast+0x449/0x710
[ 1332.136376][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.136376][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.136376][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.136376][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.136376][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.136376][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.136376][   T10] 
[ 1332.138888][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1332.138888][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1332.138888][   T10]      ipv6_find_idev+0x102/0x170
[ 1332.138888][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1332.138888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.138888][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.138888][   T10]      netlink_unicast+0x449/0x710
[ 1332.138888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.138888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.138888][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.138888][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.138888][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.138888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.138888][   T10] 
[ 1332.140614][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1332.140614][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1332.140614][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1332.140614][   T10]      ipv6_find_idev+0x102/0x170
[ 1332.140614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1332.140614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1332.140614][   T10]      netlink_rcv_skb+0x130/0x360
[ 1332.140614][   T10]      netlink_unicast+0x449/0x710
[ 1332.140614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1332.140614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1332.140614][   T10]      ___sys_sendmsg+0xee/0x170
[ 1332.140614][   T10]      __sys_sendmsg+0xcd/0x170
[ 1332.140614][   T10]      do_syscall_64+0xc6/0x1e0
[ 1332.140614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1332.140614][   T10] 
[ 1342.265605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1342.266045][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.266045][   T10]      dst_init+0x84/0x4a0
[ 1342.266045][   T10]      dst_alloc+0x97/0x150
[ 1342.266045][   T10]      ip6_dst_alloc+0x23/0x90
[ 1342.266045][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1342.266045][   T10]      ip6_pol_route+0x56f/0x840
[ 1342.266045][   T10]      fib6_rule_lookup+0x456/0x630
[ 1342.266045][   T10]      ip6_route_input+0x59c/0xa50
[ 1342.266045][   T10]      ipv6_rcv+0x397/0x810
[ 1342.266045][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1342.266045][   T10]      process_backlog+0x101/0x620
[ 1342.266045][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1342.266045][   T10]      net_rx_action+0x495/0xbe0
[ 1342.266045][   T10]      __do_softirq+0x1b5/0x7f6
[ 1342.266045][   T10] 
[ 1342.267920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.267920][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1342.267920][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1342.267920][   T10]      fib6_nh_init+0xa22/0x1580
[ 1342.267920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.267920][   T10]      ip6_route_add+0x1c/0x140
[ 1342.267920][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1342.267920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.267920][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.267920][   T10]      netlink_unicast+0x449/0x710
[ 1342.267920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.267920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.267920][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.267920][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.267920][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.267920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.267920][   T10] 
[ 1342.270091][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.270091][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.270091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.270091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.270091][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1342.270091][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1342.270091][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1342.270091][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1342.270091][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1342.270091][   T10]      addrconf_dad_begin+0x310/0x670
[ 1342.270091][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1342.270091][   T10]      process_one_work+0x84d/0x18a0
[ 1342.270091][   T10]      worker_thread+0x587/0xd30
[ 1342.270091][   T10]      kthread+0x28a/0x350
[ 1342.270091][   T10]      ret_from_fork+0x31/0x70
[ 1342.270091][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1342.270091][   T10] 
[ 1342.272300][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.272300][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.272300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.272300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.272300][   T10]      ip6_route_add+0x1c/0x140
[ 1342.272300][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1342.272300][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1342.272300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.272300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.272300][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.272300][   T10]      netlink_unicast+0x449/0x710
[ 1342.272300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.272300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.272300][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.272300][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.272300][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.272300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.272300][   T10] 
[ 1342.274553][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.274553][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.274553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.274553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.274553][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1342.274553][   T10]      ipv6_add_addr+0x411/0x2000
[ 1342.274553][   T10]      inet6_addr_add+0x30e/0xa40
[ 1342.274553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.274553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.274553][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.274553][   T10]      netlink_unicast+0x449/0x710
[ 1342.274553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.274553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.274553][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.274553][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.274553][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.274553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.274553][   T10] 
[ 1342.276829][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.276829][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.276829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.276829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.276829][   T10]      ip6_route_add+0x1c/0x140
[ 1342.276829][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1342.276829][   T10]      addrconf_add_dev+0xe2/0x170
[ 1342.276829][   T10]      inet6_addr_add+0x12f/0xa40
[ 1342.276829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.276829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.276829][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.276829][   T10]      netlink_unicast+0x449/0x710
[ 1342.276829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.276829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.276829][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.276829][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.276829][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.276829][   T10] 
[ 1342.279336][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.279336][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1342.279336][   T10]      ipv6_find_idev+0x102/0x170
[ 1342.279336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1342.279336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.279336][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.279336][   T10]      netlink_unicast+0x449/0x710
[ 1342.279336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.279336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.279336][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.279336][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.279336][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.279336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.279336][   T10] 
[ 1342.281149][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1342.281149][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1342.281149][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1342.281149][   T10]      ipv6_find_idev+0x102/0x170
[ 1342.281149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1342.281149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.281149][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.281149][   T10]      netlink_unicast+0x449/0x710
[ 1342.281149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.281149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.281149][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.281149][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.281149][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.281149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.281149][   T10] 
[ 1342.283507][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1342.283827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.283827][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1342.283827][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1342.283827][   T10]      fib6_nh_init+0xa22/0x1580
[ 1342.283827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.283827][   T10]      ip6_route_add+0x1c/0x140
[ 1342.283827][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1342.283827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.283827][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.283827][   T10]      netlink_unicast+0x449/0x710
[ 1342.283827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.283827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.283827][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.283827][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.283827][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.283827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.283827][   T10] 
[ 1342.286058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.286058][   T10]      dst_init+0x84/0x4a0
[ 1342.286058][   T10]      dst_alloc+0x97/0x150
[ 1342.286058][   T10]      ip6_dst_alloc+0x23/0x90
[ 1342.286058][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1342.286058][   T10]      ip6_pol_route+0x56f/0x840
[ 1342.286058][   T10]      fib6_rule_lookup+0x456/0x630
[ 1342.286058][   T10]      ip6_route_input+0x59c/0xa50
[ 1342.286058][   T10]      ipv6_rcv+0x397/0x810
[ 1342.286058][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1342.286058][   T10]      process_backlog+0x101/0x620
[ 1342.286058][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1342.286058][   T10]      net_rx_action+0x495/0xbe0
[ 1342.286058][   T10]      __do_softirq+0x1b5/0x7f6
[ 1342.286058][   T10] 
[ 1342.288123][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.288123][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.288123][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.288123][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.288123][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1342.288123][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1342.288123][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1342.288123][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1342.288123][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1342.288123][   T10]      addrconf_dad_begin+0x310/0x670
[ 1342.288123][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1342.288123][   T10]      process_one_work+0x84d/0x18a0
[ 1342.288123][   T10]      worker_thread+0x587/0xd30
[ 1342.288123][   T10]      kthread+0x28a/0x350
[ 1342.288123][   T10]      ret_from_fork+0x31/0x70
[ 1342.288123][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1342.288123][   T10] 
[ 1342.290462][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.290462][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.290462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.290462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.290462][   T10]      ip6_route_add+0x1c/0x140
[ 1342.290462][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1342.290462][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1342.290462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.290462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.290462][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.290462][   T10]      netlink_unicast+0x449/0x710
[ 1342.290462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.290462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.290462][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.290462][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.290462][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.290462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.290462][   T10] 
[ 1342.292975][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.292975][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.292975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.292975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.292975][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1342.292975][   T10]      ipv6_add_addr+0x411/0x2000
[ 1342.292975][   T10]      inet6_addr_add+0x30e/0xa40
[ 1342.292975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.292975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.292975][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.292975][   T10]      netlink_unicast+0x449/0x710
[ 1342.292975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.292975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.292975][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.292975][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.292975][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.292975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.292975][   T10] 
[ 1342.295353][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.295353][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.295353][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.295353][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.295353][   T10]      ip6_route_add+0x1c/0x140
[ 1342.295353][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1342.295353][   T10]      addrconf_add_dev+0xe2/0x170
[ 1342.295353][   T10]      inet6_addr_add+0x12f/0xa40
[ 1342.295353][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.295353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.295353][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.295353][   T10]      netlink_unicast+0x449/0x710
[ 1342.295353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.295353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.295353][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.295353][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.295353][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.295353][   T10] 
[ 1342.297987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.297987][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1342.297987][   T10]      ipv6_find_idev+0x102/0x170
[ 1342.297987][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1342.297987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.297987][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.297987][   T10]      netlink_unicast+0x449/0x710
[ 1342.297987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.297987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.297987][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.297987][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.297987][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.297987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.297987][   T10] 
[ 1342.299859][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1342.299859][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1342.299859][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1342.299859][   T10]      ipv6_find_idev+0x102/0x170
[ 1342.299859][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1342.299859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.299859][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.299859][   T10]      netlink_unicast+0x449/0x710
[ 1342.299859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.299859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.299859][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.299859][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.299859][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.299859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.299859][   T10] 
[ 1342.302044][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1342.302304][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1342.302304][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.302304][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.302304][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.302304][   T10]      ip6_route_add+0x1c/0x140
[ 1342.302304][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1342.302304][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1342.302304][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.302304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.302304][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.302304][   T10]      netlink_unicast+0x449/0x710
[ 1342.302304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.302304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.302304][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.302304][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.302304][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.302304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.302304][   T10] 
[ 1342.304814][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1342.304814][   T10]      netdev_get_by_index+0x5e/0x80
[ 1342.304814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1342.304814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1342.304814][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1342.304814][   T10]      ipv6_add_addr+0x411/0x2000
[ 1342.304814][   T10]      inet6_addr_add+0x30e/0xa40
[ 1342.304814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1342.304814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.304814][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.304814][   T10]      netlink_unicast+0x449/0x710
[ 1342.304814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.304814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.304814][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.304814][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.304814][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.304814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.304814][   T10] 
[ 1342.307350][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1342.307350][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1342.307350][   T10]      ipv6_find_idev+0x102/0x170
[ 1342.307350][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1342.307350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.307350][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.307350][   T10]      netlink_unicast+0x449/0x710
[ 1342.307350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.307350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.307350][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.307350][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.307350][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.307350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.307350][   T10] 
[ 1342.309315][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1342.309315][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1342.309315][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1342.309315][   T10]      ipv6_find_idev+0x102/0x170
[ 1342.309315][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1342.309315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1342.309315][   T10]      netlink_rcv_skb+0x130/0x360
[ 1342.309315][   T10]      netlink_unicast+0x449/0x710
[ 1342.309315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1342.309315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1342.309315][   T10]      ___sys_sendmsg+0xee/0x170
[ 1342.309315][   T10]      __sys_sendmsg+0xcd/0x170
[ 1342.309315][   T10]      do_syscall_64+0xc6/0x1e0
[ 1342.309315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1342.309315][   T10] 
[ 1352.417339][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1352.417797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.417797][   T10]      dst_init+0x84/0x4a0
[ 1352.417797][   T10]      dst_alloc+0x97/0x150
[ 1352.417797][   T10]      ip6_dst_alloc+0x23/0x90
[ 1352.417797][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1352.417797][   T10]      ip6_pol_route+0x56f/0x840
[ 1352.417797][   T10]      fib6_rule_lookup+0x456/0x630
[ 1352.417797][   T10]      ip6_route_input+0x59c/0xa50
[ 1352.417797][   T10]      ipv6_rcv+0x397/0x810
[ 1352.417797][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1352.417797][   T10]      process_backlog+0x101/0x620
[ 1352.417797][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1352.417797][   T10]      net_rx_action+0x495/0xbe0
[ 1352.417797][   T10]      __do_softirq+0x1b5/0x7f6
[ 1352.417797][   T10] 
[ 1352.419598][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.419598][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1352.419598][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1352.419598][   T10]      fib6_nh_init+0xa22/0x1580
[ 1352.419598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.419598][   T10]      ip6_route_add+0x1c/0x140
[ 1352.419598][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1352.419598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.419598][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.419598][   T10]      netlink_unicast+0x449/0x710
[ 1352.419598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.419598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.419598][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.419598][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.419598][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.419598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.419598][   T10] 
[ 1352.421618][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.421618][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.421618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.421618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.421618][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1352.421618][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1352.421618][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1352.421618][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1352.421618][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1352.421618][   T10]      addrconf_dad_begin+0x310/0x670
[ 1352.421618][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1352.421618][   T10]      process_one_work+0x84d/0x18a0
[ 1352.421618][   T10]      worker_thread+0x587/0xd30
[ 1352.421618][   T10]      kthread+0x28a/0x350
[ 1352.421618][   T10]      ret_from_fork+0x31/0x70
[ 1352.421618][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1352.421618][   T10] 
[ 1352.423637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.423637][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.423637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.423637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.423637][   T10]      ip6_route_add+0x1c/0x140
[ 1352.423637][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1352.423637][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1352.423637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.423637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.423637][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.423637][   T10]      netlink_unicast+0x449/0x710
[ 1352.423637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.423637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.423637][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.423637][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.423637][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.423637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.423637][   T10] 
[ 1352.425762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.425762][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.425762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.425762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.425762][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1352.425762][   T10]      ipv6_add_addr+0x411/0x2000
[ 1352.425762][   T10]      inet6_addr_add+0x30e/0xa40
[ 1352.425762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.425762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.425762][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.425762][   T10]      netlink_unicast+0x449/0x710
[ 1352.425762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.425762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.425762][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.425762][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.425762][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.425762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.425762][   T10] 
[ 1352.427842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.427842][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.427842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.427842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.427842][   T10]      ip6_route_add+0x1c/0x140
[ 1352.427842][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1352.427842][   T10]      addrconf_add_dev+0xe2/0x170
[ 1352.427842][   T10]      inet6_addr_add+0x12f/0xa40
[ 1352.427842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.427842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.427842][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.427842][   T10]      netlink_unicast+0x449/0x710
[ 1352.427842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.427842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.427842][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.427842][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.427842][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.427842][   T10] 
[ 1352.429880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.429880][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1352.429880][   T10]      ipv6_find_idev+0x102/0x170
[ 1352.429880][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1352.429880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.429880][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.429880][   T10]      netlink_unicast+0x449/0x710
[ 1352.429880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.429880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.429880][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.429880][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.429880][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.429880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.429880][   T10] 
[ 1352.431459][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1352.431459][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1352.431459][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1352.431459][   T10]      ipv6_find_idev+0x102/0x170
[ 1352.431459][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1352.431459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.431459][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.431459][   T10]      netlink_unicast+0x449/0x710
[ 1352.431459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.431459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.431459][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.431459][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.431459][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.431459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.431459][   T10] 
[ 1352.433242][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1352.433497][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.433497][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1352.433497][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1352.433497][   T10]      fib6_nh_init+0xa22/0x1580
[ 1352.433497][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.433497][   T10]      ip6_route_add+0x1c/0x140
[ 1352.433497][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1352.433497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.433497][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.433497][   T10]      netlink_unicast+0x449/0x710
[ 1352.433497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.433497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.433497][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.433497][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.433497][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.433497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.433497][   T10] 
[ 1352.435439][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.435439][   T10]      dst_init+0x84/0x4a0
[ 1352.435439][   T10]      dst_alloc+0x97/0x150
[ 1352.435439][   T10]      ip6_dst_alloc+0x23/0x90
[ 1352.435439][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1352.435439][   T10]      ip6_pol_route+0x56f/0x840
[ 1352.435439][   T10]      fib6_rule_lookup+0x456/0x630
[ 1352.435439][   T10]      ip6_route_input+0x59c/0xa50
[ 1352.435439][   T10]      ipv6_rcv+0x397/0x810
[ 1352.435439][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1352.435439][   T10]      process_backlog+0x101/0x620
[ 1352.435439][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1352.435439][   T10]      net_rx_action+0x495/0xbe0
[ 1352.435439][   T10]      __do_softirq+0x1b5/0x7f6
[ 1352.435439][   T10] 
[ 1352.437179][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.437179][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.437179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.437179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.437179][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1352.437179][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1352.437179][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1352.437179][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1352.437179][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1352.437179][   T10]      addrconf_dad_begin+0x310/0x670
[ 1352.437179][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1352.437179][   T10]      process_one_work+0x84d/0x18a0
[ 1352.437179][   T10]      worker_thread+0x587/0xd30
[ 1352.437179][   T10]      kthread+0x28a/0x350
[ 1352.437179][   T10]      ret_from_fork+0x31/0x70
[ 1352.437179][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1352.437179][   T10] 
[ 1352.439167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.439167][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.439167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.439167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.439167][   T10]      ip6_route_add+0x1c/0x140
[ 1352.439167][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1352.439167][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1352.439167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.439167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.439167][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.439167][   T10]      netlink_unicast+0x449/0x710
[ 1352.439167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.439167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.439167][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.439167][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.439167][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.439167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.439167][   T10] 
[ 1352.441195][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.441195][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.441195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.441195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.441195][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1352.441195][   T10]      ipv6_add_addr+0x411/0x2000
[ 1352.441195][   T10]      inet6_addr_add+0x30e/0xa40
[ 1352.441195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.441195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.441195][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.441195][   T10]      netlink_unicast+0x449/0x710
[ 1352.441195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.441195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.441195][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.441195][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.441195][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.441195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.441195][   T10] 
[ 1352.443367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.443367][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.443367][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.443367][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.443367][   T10]      ip6_route_add+0x1c/0x140
[ 1352.443367][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1352.443367][   T10]      addrconf_add_dev+0xe2/0x170
[ 1352.443367][   T10]      inet6_addr_add+0x12f/0xa40
[ 1352.443367][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.443367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.443367][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.443367][   T10]      netlink_unicast+0x449/0x710
[ 1352.443367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.443367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.443367][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.443367][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.443367][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.443367][   T10] 
[ 1352.445468][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.445468][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1352.445468][   T10]      ipv6_find_idev+0x102/0x170
[ 1352.445468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1352.445468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.445468][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.445468][   T10]      netlink_unicast+0x449/0x710
[ 1352.445468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.445468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.445468][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.445468][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.445468][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.445468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.445468][   T10] 
[ 1352.447215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1352.447215][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1352.447215][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1352.447215][   T10]      ipv6_find_idev+0x102/0x170
[ 1352.447215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1352.447215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.447215][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.447215][   T10]      netlink_unicast+0x449/0x710
[ 1352.447215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.447215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.447215][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.447215][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.447215][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.447215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.447215][   T10] 
[ 1352.449301][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1352.449570][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1352.449570][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.449570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.449570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.449570][   T10]      ip6_route_add+0x1c/0x140
[ 1352.449570][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1352.449570][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1352.449570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.449570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.449570][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.449570][   T10]      netlink_unicast+0x449/0x710
[ 1352.449570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.449570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.449570][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.449570][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.449570][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.449570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.449570][   T10] 
[ 1352.451867][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1352.451867][   T10]      netdev_get_by_index+0x5e/0x80
[ 1352.451867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1352.451867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1352.451867][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1352.451867][   T10]      ipv6_add_addr+0x411/0x2000
[ 1352.451867][   T10]      inet6_addr_add+0x30e/0xa40
[ 1352.451867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1352.451867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.451867][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.451867][   T10]      netlink_unicast+0x449/0x710
[ 1352.451867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.451867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.451867][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.451867][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.451867][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.451867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.451867][   T10] 
[ 1352.454150][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1352.454150][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1352.454150][   T10]      ipv6_find_idev+0x102/0x170
[ 1352.454150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1352.454150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.454150][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.454150][   T10]      netlink_unicast+0x449/0x710
[ 1352.454150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.454150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.454150][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.454150][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.454150][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.454150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.454150][   T10] 
[ 1352.455900][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1352.455900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1352.455900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1352.455900][   T10]      ipv6_find_idev+0x102/0x170
[ 1352.455900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1352.455900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1352.455900][   T10]      netlink_rcv_skb+0x130/0x360
[ 1352.455900][   T10]      netlink_unicast+0x449/0x710
[ 1352.455900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1352.455900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1352.455900][   T10]      ___sys_sendmsg+0xee/0x170
[ 1352.455900][   T10]      __sys_sendmsg+0xcd/0x170
[ 1352.455900][   T10]      do_syscall_64+0xc6/0x1e0
[ 1352.455900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1352.455900][   T10] 
[ 1362.576701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1362.577176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.577176][   T10]      dst_init+0x84/0x4a0
[ 1362.577176][   T10]      dst_alloc+0x97/0x150
[ 1362.577176][   T10]      ip6_dst_alloc+0x23/0x90
[ 1362.577176][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1362.577176][   T10]      ip6_pol_route+0x56f/0x840
[ 1362.577176][   T10]      fib6_rule_lookup+0x456/0x630
[ 1362.577176][   T10]      ip6_route_input+0x59c/0xa50
[ 1362.577176][   T10]      ipv6_rcv+0x397/0x810
[ 1362.577176][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1362.577176][   T10]      process_backlog+0x101/0x620
[ 1362.577176][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1362.577176][   T10]      net_rx_action+0x495/0xbe0
[ 1362.577176][   T10]      __do_softirq+0x1b5/0x7f6
[ 1362.577176][   T10] 
[ 1362.578941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.578941][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1362.578941][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1362.578941][   T10]      fib6_nh_init+0xa22/0x1580
[ 1362.578941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.578941][   T10]      ip6_route_add+0x1c/0x140
[ 1362.578941][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1362.578941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.578941][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.578941][   T10]      netlink_unicast+0x449/0x710
[ 1362.578941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.578941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.578941][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.578941][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.578941][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.578941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.578941][   T10] 
[ 1362.580968][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.580968][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.580968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.580968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.580968][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1362.580968][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1362.580968][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1362.580968][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1362.580968][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1362.580968][   T10]      addrconf_dad_begin+0x310/0x670
[ 1362.580968][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1362.580968][   T10]      process_one_work+0x84d/0x18a0
[ 1362.580968][   T10]      worker_thread+0x587/0xd30
[ 1362.580968][   T10]      kthread+0x28a/0x350
[ 1362.580968][   T10]      ret_from_fork+0x31/0x70
[ 1362.580968][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1362.580968][   T10] 
[ 1362.582998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.582998][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.582998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.582998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.582998][   T10]      ip6_route_add+0x1c/0x140
[ 1362.582998][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1362.582998][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1362.582998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.582998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.582998][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.582998][   T10]      netlink_unicast+0x449/0x710
[ 1362.582998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.582998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.582998][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.582998][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.582998][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.582998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.582998][   T10] 
[ 1362.585194][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.585194][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.585194][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.585194][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.585194][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1362.585194][   T10]      ipv6_add_addr+0x411/0x2000
[ 1362.585194][   T10]      inet6_addr_add+0x30e/0xa40
[ 1362.585194][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.585194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.585194][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.585194][   T10]      netlink_unicast+0x449/0x710
[ 1362.585194][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.585194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.585194][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.585194][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.585194][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.585194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.585194][   T10] 
[ 1362.587313][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.587313][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.587313][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.587313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.587313][   T10]      ip6_route_add+0x1c/0x140
[ 1362.587313][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1362.587313][   T10]      addrconf_add_dev+0xe2/0x170
[ 1362.587313][   T10]      inet6_addr_add+0x12f/0xa40
[ 1362.587313][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.587313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.587313][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.587313][   T10]      netlink_unicast+0x449/0x710
[ 1362.587313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.587313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.587313][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.587313][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.587313][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.587313][   T10] 
[ 1362.589398][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.589398][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1362.589398][   T10]      ipv6_find_idev+0x102/0x170
[ 1362.589398][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1362.589398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.589398][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.589398][   T10]      netlink_unicast+0x449/0x710
[ 1362.589398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.589398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.589398][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.589398][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.589398][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.589398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.589398][   T10] 
[ 1362.591024][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1362.591024][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1362.591024][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1362.591024][   T10]      ipv6_find_idev+0x102/0x170
[ 1362.591024][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1362.591024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.591024][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.591024][   T10]      netlink_unicast+0x449/0x710
[ 1362.591024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.591024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.591024][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.591024][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.591024][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.591024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.591024][   T10] 
[ 1362.592790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1362.593107][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.593107][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1362.593107][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1362.593107][   T10]      fib6_nh_init+0xa22/0x1580
[ 1362.593107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.593107][   T10]      ip6_route_add+0x1c/0x140
[ 1362.593107][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1362.593107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.593107][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.593107][   T10]      netlink_unicast+0x449/0x710
[ 1362.593107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.593107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.593107][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.593107][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.593107][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.593107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.593107][   T10] 
[ 1362.595420][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.595420][   T10]      dst_init+0x84/0x4a0
[ 1362.595420][   T10]      dst_alloc+0x97/0x150
[ 1362.595420][   T10]      ip6_dst_alloc+0x23/0x90
[ 1362.595420][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1362.595420][   T10]      ip6_pol_route+0x56f/0x840
[ 1362.595420][   T10]      fib6_rule_lookup+0x456/0x630
[ 1362.595420][   T10]      ip6_route_input+0x59c/0xa50
[ 1362.595420][   T10]      ipv6_rcv+0x397/0x810
[ 1362.595420][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1362.595420][   T10]      process_backlog+0x101/0x620
[ 1362.595420][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1362.595420][   T10]      net_rx_action+0x495/0xbe0
[ 1362.595420][   T10]      __do_softirq+0x1b5/0x7f6
[ 1362.595420][   T10] 
[ 1362.597357][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.597357][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.597357][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.597357][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.597357][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1362.597357][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1362.597357][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1362.597357][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1362.597357][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1362.597357][   T10]      addrconf_dad_begin+0x310/0x670
[ 1362.597357][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1362.597357][   T10]      process_one_work+0x84d/0x18a0
[ 1362.597357][   T10]      worker_thread+0x587/0xd30
[ 1362.597357][   T10]      kthread+0x28a/0x350
[ 1362.597357][   T10]      ret_from_fork+0x31/0x70
[ 1362.597357][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1362.597357][   T10] 
[ 1362.599589][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.599589][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.599589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.599589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.599589][   T10]      ip6_route_add+0x1c/0x140
[ 1362.599589][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1362.599589][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1362.599589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.599589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.599589][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.599589][   T10]      netlink_unicast+0x449/0x710
[ 1362.599589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.599589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.599589][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.599589][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.599589][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.599589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.599589][   T10] 
[ 1362.602048][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.602048][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.602048][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.602048][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.602048][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1362.602048][   T10]      ipv6_add_addr+0x411/0x2000
[ 1362.602048][   T10]      inet6_addr_add+0x30e/0xa40
[ 1362.602048][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.602048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.602048][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.602048][   T10]      netlink_unicast+0x449/0x710
[ 1362.602048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.602048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.602048][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.602048][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.602048][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.602048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.602048][   T10] 
[ 1362.604403][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.604403][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.604403][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.604403][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.604403][   T10]      ip6_route_add+0x1c/0x140
[ 1362.604403][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1362.604403][   T10]      addrconf_add_dev+0xe2/0x170
[ 1362.604403][   T10]      inet6_addr_add+0x12f/0xa40
[ 1362.604403][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.604403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.604403][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.604403][   T10]      netlink_unicast+0x449/0x710
[ 1362.604403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.604403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.604403][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.604403][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.604403][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.604403][   T10] 
[ 1362.606865][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.606865][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1362.606865][   T10]      ipv6_find_idev+0x102/0x170
[ 1362.606865][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1362.606865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.606865][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.606865][   T10]      netlink_unicast+0x449/0x710
[ 1362.606865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.606865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.606865][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.606865][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.606865][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.606865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.606865][   T10] 
[ 1362.608613][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1362.608613][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1362.608613][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1362.608613][   T10]      ipv6_find_idev+0x102/0x170
[ 1362.608613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1362.608613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.608613][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.608613][   T10]      netlink_unicast+0x449/0x710
[ 1362.608613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.608613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.608613][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.608613][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.608613][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.608613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.608613][   T10] 
[ 1362.610549][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1362.610881][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1362.610881][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.610881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.610881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.610881][   T10]      ip6_route_add+0x1c/0x140
[ 1362.610881][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1362.610881][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1362.610881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.610881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.610881][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.610881][   T10]      netlink_unicast+0x449/0x710
[ 1362.610881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.610881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.610881][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.610881][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.610881][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.610881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.610881][   T10] 
[ 1362.613335][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1362.613335][   T10]      netdev_get_by_index+0x5e/0x80
[ 1362.613335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1362.613335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1362.613335][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1362.613335][   T10]      ipv6_add_addr+0x411/0x2000
[ 1362.613335][   T10]      inet6_addr_add+0x30e/0xa40
[ 1362.613335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1362.613335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.613335][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.613335][   T10]      netlink_unicast+0x449/0x710
[ 1362.613335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.613335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.613335][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.613335][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.613335][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.613335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.613335][   T10] 
[ 1362.615670][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1362.615670][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1362.615670][   T10]      ipv6_find_idev+0x102/0x170
[ 1362.615670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1362.615670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.615670][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.615670][   T10]      netlink_unicast+0x449/0x710
[ 1362.615670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.615670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.615670][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.615670][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.615670][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.615670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.615670][   T10] 
[ 1362.617464][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1362.617464][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1362.617464][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1362.617464][   T10]      ipv6_find_idev+0x102/0x170
[ 1362.617464][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1362.617464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1362.617464][   T10]      netlink_rcv_skb+0x130/0x360
[ 1362.617464][   T10]      netlink_unicast+0x449/0x710
[ 1362.617464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1362.617464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1362.617464][   T10]      ___sys_sendmsg+0xee/0x170
[ 1362.617464][   T10]      __sys_sendmsg+0xcd/0x170
[ 1362.617464][   T10]      do_syscall_64+0xc6/0x1e0
[ 1362.617464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1362.617464][   T10] 
[ 1372.768759][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1372.769153][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.769153][   T10]      dst_init+0x84/0x4a0
[ 1372.769153][   T10]      dst_alloc+0x97/0x150
[ 1372.769153][   T10]      ip6_dst_alloc+0x23/0x90
[ 1372.769153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1372.769153][   T10]      ip6_pol_route+0x56f/0x840
[ 1372.769153][   T10]      fib6_rule_lookup+0x456/0x630
[ 1372.769153][   T10]      ip6_route_input+0x59c/0xa50
[ 1372.769153][   T10]      ipv6_rcv+0x397/0x810
[ 1372.769153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1372.769153][   T10]      process_backlog+0x101/0x620
[ 1372.769153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1372.769153][   T10]      net_rx_action+0x495/0xbe0
[ 1372.769153][   T10]      __do_softirq+0x1b5/0x7f6
[ 1372.769153][   T10] 
[ 1372.770842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.770842][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1372.770842][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1372.770842][   T10]      fib6_nh_init+0xa22/0x1580
[ 1372.770842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.770842][   T10]      ip6_route_add+0x1c/0x140
[ 1372.770842][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1372.770842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.770842][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.770842][   T10]      netlink_unicast+0x449/0x710
[ 1372.770842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.770842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.770842][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.770842][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.770842][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.770842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.770842][   T10] 
[ 1372.772793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.772793][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.772793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.772793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.772793][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1372.772793][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1372.772793][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1372.772793][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1372.772793][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1372.772793][   T10]      addrconf_dad_begin+0x310/0x670
[ 1372.772793][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1372.772793][   T10]      process_one_work+0x84d/0x18a0
[ 1372.772793][   T10]      worker_thread+0x587/0xd30
[ 1372.772793][   T10]      kthread+0x28a/0x350
[ 1372.772793][   T10]      ret_from_fork+0x31/0x70
[ 1372.772793][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1372.772793][   T10] 
[ 1372.774779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.774779][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.774779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.774779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.774779][   T10]      ip6_route_add+0x1c/0x140
[ 1372.774779][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1372.774779][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1372.774779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.774779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.774779][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.774779][   T10]      netlink_unicast+0x449/0x710
[ 1372.774779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.774779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.774779][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.774779][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.774779][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.774779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.774779][   T10] 
[ 1372.776983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.776983][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.776983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.776983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.776983][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1372.776983][   T10]      ipv6_add_addr+0x411/0x2000
[ 1372.776983][   T10]      inet6_addr_add+0x30e/0xa40
[ 1372.776983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.776983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.776983][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.776983][   T10]      netlink_unicast+0x449/0x710
[ 1372.776983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.776983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.776983][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.776983][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.776983][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.776983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.776983][   T10] 
[ 1372.779097][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.779097][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.779097][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.779097][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.779097][   T10]      ip6_route_add+0x1c/0x140
[ 1372.779097][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1372.779097][   T10]      addrconf_add_dev+0xe2/0x170
[ 1372.779097][   T10]      inet6_addr_add+0x12f/0xa40
[ 1372.779097][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.779097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.779097][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.779097][   T10]      netlink_unicast+0x449/0x710
[ 1372.779097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.779097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.779097][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.779097][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.779097][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.779097][   T10] 
[ 1372.781272][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.781272][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1372.781272][   T10]      ipv6_find_idev+0x102/0x170
[ 1372.781272][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1372.781272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.781272][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.781272][   T10]      netlink_unicast+0x449/0x710
[ 1372.781272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.781272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.781272][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.781272][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.781272][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.781272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.781272][   T10] 
[ 1372.783118][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1372.783118][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1372.783118][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1372.783118][   T10]      ipv6_find_idev+0x102/0x170
[ 1372.783118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1372.783118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.783118][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.783118][   T10]      netlink_unicast+0x449/0x710
[ 1372.783118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.783118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.783118][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.783118][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.783118][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.783118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.783118][   T10] 
[ 1372.784963][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1372.785270][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.785270][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1372.785270][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1372.785270][   T10]      fib6_nh_init+0xa22/0x1580
[ 1372.785270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.785270][   T10]      ip6_route_add+0x1c/0x140
[ 1372.785270][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1372.785270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.785270][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.785270][   T10]      netlink_unicast+0x449/0x710
[ 1372.785270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.785270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.785270][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.785270][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.785270][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.785270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.785270][   T10] 
[ 1372.787386][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.787386][   T10]      dst_init+0x84/0x4a0
[ 1372.787386][   T10]      dst_alloc+0x97/0x150
[ 1372.787386][   T10]      ip6_dst_alloc+0x23/0x90
[ 1372.787386][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1372.787386][   T10]      ip6_pol_route+0x56f/0x840
[ 1372.787386][   T10]      fib6_rule_lookup+0x456/0x630
[ 1372.787386][   T10]      ip6_route_input+0x59c/0xa50
[ 1372.787386][   T10]      ipv6_rcv+0x397/0x810
[ 1372.787386][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1372.787386][   T10]      process_backlog+0x101/0x620
[ 1372.787386][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1372.787386][   T10]      net_rx_action+0x495/0xbe0
[ 1372.787386][   T10]      __do_softirq+0x1b5/0x7f6
[ 1372.787386][   T10] 
[ 1372.789266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.789266][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.789266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.789266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.789266][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1372.789266][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1372.789266][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1372.789266][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1372.789266][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1372.789266][   T10]      addrconf_dad_begin+0x310/0x670
[ 1372.789266][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1372.789266][   T10]      process_one_work+0x84d/0x18a0
[ 1372.789266][   T10]      worker_thread+0x587/0xd30
[ 1372.789266][   T10]      kthread+0x28a/0x350
[ 1372.789266][   T10]      ret_from_fork+0x31/0x70
[ 1372.789266][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1372.789266][   T10] 
[ 1372.791484][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.791484][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.791484][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.791484][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.791484][   T10]      ip6_route_add+0x1c/0x140
[ 1372.791484][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1372.791484][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1372.791484][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.791484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.791484][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.791484][   T10]      netlink_unicast+0x449/0x710
[ 1372.791484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.791484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.791484][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.791484][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.791484][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.791484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.791484][   T10] 
[ 1372.793794][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.793794][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.793794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.793794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.793794][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1372.793794][   T10]      ipv6_add_addr+0x411/0x2000
[ 1372.793794][   T10]      inet6_addr_add+0x30e/0xa40
[ 1372.793794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.793794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.793794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.793794][   T10]      netlink_unicast+0x449/0x710
[ 1372.793794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.793794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.793794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.793794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.793794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.793794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.793794][   T10] 
[ 1372.796065][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.796065][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.796065][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.796065][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.796065][   T10]      ip6_route_add+0x1c/0x140
[ 1372.796065][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1372.796065][   T10]      addrconf_add_dev+0xe2/0x170
[ 1372.796065][   T10]      inet6_addr_add+0x12f/0xa40
[ 1372.796065][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.796065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.796065][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.796065][   T10]      netlink_unicast+0x449/0x710
[ 1372.796065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.796065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.796065][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.796065][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.796065][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.796065][   T10] 
[ 1372.798344][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.798344][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1372.798344][   T10]      ipv6_find_idev+0x102/0x170
[ 1372.798344][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1372.798344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.798344][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.798344][   T10]      netlink_unicast+0x449/0x710
[ 1372.798344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.798344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.798344][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.798344][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.798344][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.798344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.798344][   T10] 
[ 1372.800056][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1372.800056][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1372.800056][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1372.800056][   T10]      ipv6_find_idev+0x102/0x170
[ 1372.800056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1372.800056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.800056][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.800056][   T10]      netlink_unicast+0x449/0x710
[ 1372.800056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.800056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.800056][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.800056][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.800056][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.800056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.800056][   T10] 
[ 1372.801960][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1372.802200][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1372.802200][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.802200][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.802200][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.802200][   T10]      ip6_route_add+0x1c/0x140
[ 1372.802200][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1372.802200][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1372.802200][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.802200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.802200][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.802200][   T10]      netlink_unicast+0x449/0x710
[ 1372.802200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.802200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.802200][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.802200][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.802200][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.802200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.802200][   T10] 
[ 1372.804330][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1372.804330][   T10]      netdev_get_by_index+0x5e/0x80
[ 1372.804330][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1372.804330][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1372.804330][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1372.804330][   T10]      ipv6_add_addr+0x411/0x2000
[ 1372.804330][   T10]      inet6_addr_add+0x30e/0xa40
[ 1372.804330][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1372.804330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.804330][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.804330][   T10]      netlink_unicast+0x449/0x710
[ 1372.804330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.804330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.804330][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.804330][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.804330][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.804330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.804330][   T10] 
[ 1372.806337][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1372.806337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1372.806337][   T10]      ipv6_find_idev+0x102/0x170
[ 1372.806337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1372.806337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.806337][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.806337][   T10]      netlink_unicast+0x449/0x710
[ 1372.806337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.806337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.806337][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.806337][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.806337][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.806337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.806337][   T10] 
[ 1372.807874][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1372.807874][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1372.807874][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1372.807874][   T10]      ipv6_find_idev+0x102/0x170
[ 1372.807874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1372.807874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1372.807874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1372.807874][   T10]      netlink_unicast+0x449/0x710
[ 1372.807874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1372.807874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1372.807874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1372.807874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1372.807874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1372.807874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1372.807874][   T10] 
[ 1382.928617][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1382.928959][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.928959][   T10]      dst_init+0x84/0x4a0
[ 1382.928959][   T10]      dst_alloc+0x97/0x150
[ 1382.928959][   T10]      ip6_dst_alloc+0x23/0x90
[ 1382.928959][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1382.928959][   T10]      ip6_pol_route+0x56f/0x840
[ 1382.928959][   T10]      fib6_rule_lookup+0x456/0x630
[ 1382.928959][   T10]      ip6_route_input+0x59c/0xa50
[ 1382.928959][   T10]      ipv6_rcv+0x397/0x810
[ 1382.928959][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1382.928959][   T10]      process_backlog+0x101/0x620
[ 1382.928959][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1382.928959][   T10]      net_rx_action+0x495/0xbe0
[ 1382.928959][   T10]      __do_softirq+0x1b5/0x7f6
[ 1382.928959][   T10] 
[ 1382.930711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.930711][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1382.930711][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1382.930711][   T10]      fib6_nh_init+0xa22/0x1580
[ 1382.930711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.930711][   T10]      ip6_route_add+0x1c/0x140
[ 1382.930711][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1382.930711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.930711][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.930711][   T10]      netlink_unicast+0x449/0x710
[ 1382.930711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.930711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.930711][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.930711][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.930711][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.930711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.930711][   T10] 
[ 1382.932665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.932665][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.932665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.932665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.932665][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1382.932665][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1382.932665][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1382.932665][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1382.932665][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1382.932665][   T10]      addrconf_dad_begin+0x310/0x670
[ 1382.932665][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1382.932665][   T10]      process_one_work+0x84d/0x18a0
[ 1382.932665][   T10]      worker_thread+0x587/0xd30
[ 1382.932665][   T10]      kthread+0x28a/0x350
[ 1382.932665][   T10]      ret_from_fork+0x31/0x70
[ 1382.932665][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1382.932665][   T10] 
[ 1382.934635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.934635][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.934635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.934635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.934635][   T10]      ip6_route_add+0x1c/0x140
[ 1382.934635][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1382.934635][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1382.934635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.934635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.934635][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.934635][   T10]      netlink_unicast+0x449/0x710
[ 1382.934635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.934635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.934635][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.934635][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.934635][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.934635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.934635][   T10] 
[ 1382.936680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.936680][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.936680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.936680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.936680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1382.936680][   T10]      ipv6_add_addr+0x411/0x2000
[ 1382.936680][   T10]      inet6_addr_add+0x30e/0xa40
[ 1382.936680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.936680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.936680][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.936680][   T10]      netlink_unicast+0x449/0x710
[ 1382.936680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.936680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.936680][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.936680][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.936680][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.936680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.936680][   T10] 
[ 1382.938737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.938737][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.938737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.938737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.938737][   T10]      ip6_route_add+0x1c/0x140
[ 1382.938737][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1382.938737][   T10]      addrconf_add_dev+0xe2/0x170
[ 1382.938737][   T10]      inet6_addr_add+0x12f/0xa40
[ 1382.938737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.938737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.938737][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.938737][   T10]      netlink_unicast+0x449/0x710
[ 1382.938737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.938737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.938737][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.938737][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.938737][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.938737][   T10] 
[ 1382.940945][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.940945][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1382.940945][   T10]      ipv6_find_idev+0x102/0x170
[ 1382.940945][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1382.940945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.940945][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.940945][   T10]      netlink_unicast+0x449/0x710
[ 1382.940945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.940945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.940945][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.940945][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.940945][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.940945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.940945][   T10] 
[ 1382.942743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1382.942743][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1382.942743][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1382.942743][   T10]      ipv6_find_idev+0x102/0x170
[ 1382.942743][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1382.942743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.942743][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.942743][   T10]      netlink_unicast+0x449/0x710
[ 1382.942743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.942743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.942743][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.942743][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.942743][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.942743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.942743][   T10] 
[ 1382.944729][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1382.944987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.944987][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1382.944987][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1382.944987][   T10]      fib6_nh_init+0xa22/0x1580
[ 1382.944987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.944987][   T10]      ip6_route_add+0x1c/0x140
[ 1382.944987][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1382.944987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.944987][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.944987][   T10]      netlink_unicast+0x449/0x710
[ 1382.944987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.944987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.944987][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.944987][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.944987][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.944987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.944987][   T10] 
[ 1382.947084][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.947084][   T10]      dst_init+0x84/0x4a0
[ 1382.947084][   T10]      dst_alloc+0x97/0x150
[ 1382.947084][   T10]      ip6_dst_alloc+0x23/0x90
[ 1382.947084][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1382.947084][   T10]      ip6_pol_route+0x56f/0x840
[ 1382.947084][   T10]      fib6_rule_lookup+0x456/0x630
[ 1382.947084][   T10]      ip6_route_input+0x59c/0xa50
[ 1382.947084][   T10]      ipv6_rcv+0x397/0x810
[ 1382.947084][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1382.947084][   T10]      process_backlog+0x101/0x620
[ 1382.947084][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1382.947084][   T10]      net_rx_action+0x495/0xbe0
[ 1382.947084][   T10]      __do_softirq+0x1b5/0x7f6
[ 1382.947084][   T10] 
[ 1382.948994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.948994][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.948994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.948994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.948994][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1382.948994][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1382.948994][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1382.948994][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1382.948994][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1382.948994][   T10]      addrconf_dad_begin+0x310/0x670
[ 1382.948994][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1382.948994][   T10]      process_one_work+0x84d/0x18a0
[ 1382.948994][   T10]      worker_thread+0x587/0xd30
[ 1382.948994][   T10]      kthread+0x28a/0x350
[ 1382.948994][   T10]      ret_from_fork+0x31/0x70
[ 1382.948994][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1382.948994][   T10] 
[ 1382.951193][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.951193][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.951193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.951193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.951193][   T10]      ip6_route_add+0x1c/0x140
[ 1382.951193][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1382.951193][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1382.951193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.951193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.951193][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.951193][   T10]      netlink_unicast+0x449/0x710
[ 1382.951193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.951193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.951193][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.951193][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.951193][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.951193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.951193][   T10] 
[ 1382.953528][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.953528][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.953528][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.953528][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.953528][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1382.953528][   T10]      ipv6_add_addr+0x411/0x2000
[ 1382.953528][   T10]      inet6_addr_add+0x30e/0xa40
[ 1382.953528][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.953528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.953528][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.953528][   T10]      netlink_unicast+0x449/0x710
[ 1382.953528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.953528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.953528][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.953528][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.953528][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.953528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.953528][   T10] 
[ 1382.955863][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.955863][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.955863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.955863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.955863][   T10]      ip6_route_add+0x1c/0x140
[ 1382.955863][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1382.955863][   T10]      addrconf_add_dev+0xe2/0x170
[ 1382.955863][   T10]      inet6_addr_add+0x12f/0xa40
[ 1382.955863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.955863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.955863][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.955863][   T10]      netlink_unicast+0x449/0x710
[ 1382.955863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.955863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.955863][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.955863][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.955863][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.955863][   T10] 
[ 1382.958090][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.958090][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1382.958090][   T10]      ipv6_find_idev+0x102/0x170
[ 1382.958090][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1382.958090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.958090][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.958090][   T10]      netlink_unicast+0x449/0x710
[ 1382.958090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.958090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.958090][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.958090][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.958090][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.958090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.958090][   T10] 
[ 1382.959900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1382.959900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1382.959900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1382.959900][   T10]      ipv6_find_idev+0x102/0x170
[ 1382.959900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1382.959900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.959900][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.959900][   T10]      netlink_unicast+0x449/0x710
[ 1382.959900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.959900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.959900][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.959900][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.959900][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.959900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.959900][   T10] 
[ 1382.961798][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1382.962054][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1382.962054][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.962054][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.962054][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.962054][   T10]      ip6_route_add+0x1c/0x140
[ 1382.962054][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1382.962054][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1382.962054][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.962054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.962054][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.962054][   T10]      netlink_unicast+0x449/0x710
[ 1382.962054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.962054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.962054][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.962054][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.962054][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.962054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.962054][   T10] 
[ 1382.964432][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1382.964432][   T10]      netdev_get_by_index+0x5e/0x80
[ 1382.964432][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1382.964432][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1382.964432][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1382.964432][   T10]      ipv6_add_addr+0x411/0x2000
[ 1382.964432][   T10]      inet6_addr_add+0x30e/0xa40
[ 1382.964432][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1382.964432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.964432][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.964432][   T10]      netlink_unicast+0x449/0x710
[ 1382.964432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.964432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.964432][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.964432][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.964432][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.964432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.964432][   T10] 
[ 1382.966761][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1382.966761][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1382.966761][   T10]      ipv6_find_idev+0x102/0x170
[ 1382.966761][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1382.966761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.966761][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.966761][   T10]      netlink_unicast+0x449/0x710
[ 1382.966761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.966761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.966761][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.966761][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.966761][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.966761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.966761][   T10] 
[ 1382.968545][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1382.968545][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1382.968545][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1382.968545][   T10]      ipv6_find_idev+0x102/0x170
[ 1382.968545][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1382.968545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1382.968545][   T10]      netlink_rcv_skb+0x130/0x360
[ 1382.968545][   T10]      netlink_unicast+0x449/0x710
[ 1382.968545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1382.968545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1382.968545][   T10]      ___sys_sendmsg+0xee/0x170
[ 1382.968545][   T10]      __sys_sendmsg+0xcd/0x170
[ 1382.968545][   T10]      do_syscall_64+0xc6/0x1e0
[ 1382.968545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1382.968545][   T10] 
[ 1384.375945][ T7094] veth0: renamed from veth1
[ 1388.217328][ T7121] br0: port 1(vx0) entered blocking state
[ 1388.217610][ T7121] br0: port 1(vx0) entered disabled state
[ 1388.217786][ T7121] vx0: entered allmulticast mode
[ 1388.219006][ T7121] vx0: entered promiscuous mode
[ 1388.220884][ T7121] br0: port 1(vx0) entered blocking state
[ 1388.221047][ T7121] br0: port 1(vx0) entered forwarding state
[ 1393.096701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1393.097043][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.097043][   T10]      dst_init+0x84/0x4a0
[ 1393.097043][   T10]      dst_alloc+0x97/0x150
[ 1393.097043][   T10]      ip6_dst_alloc+0x23/0x90
[ 1393.097043][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1393.097043][   T10]      ip6_pol_route+0x56f/0x840
[ 1393.097043][   T10]      fib6_rule_lookup+0x456/0x630
[ 1393.097043][   T10]      ip6_route_input+0x59c/0xa50
[ 1393.097043][   T10]      ipv6_rcv+0x397/0x810
[ 1393.097043][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1393.097043][   T10]      process_backlog+0x101/0x620
[ 1393.097043][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1393.097043][   T10]      net_rx_action+0x495/0xbe0
[ 1393.097043][   T10]      __do_softirq+0x1b5/0x7f6
[ 1393.097043][   T10] 
[ 1393.098837][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.098837][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1393.098837][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1393.098837][   T10]      fib6_nh_init+0xa22/0x1580
[ 1393.098837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.098837][   T10]      ip6_route_add+0x1c/0x140
[ 1393.098837][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1393.098837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.098837][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.098837][   T10]      netlink_unicast+0x449/0x710
[ 1393.098837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.098837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.098837][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.098837][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.098837][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.098837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.098837][   T10] 
[ 1393.100881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.100881][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.100881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.100881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.100881][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1393.100881][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1393.100881][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1393.100881][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1393.100881][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1393.100881][   T10]      addrconf_dad_begin+0x310/0x670
[ 1393.100881][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1393.100881][   T10]      process_one_work+0x84d/0x18a0
[ 1393.100881][   T10]      worker_thread+0x587/0xd30
[ 1393.100881][   T10]      kthread+0x28a/0x350
[ 1393.100881][   T10]      ret_from_fork+0x31/0x70
[ 1393.100881][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1393.100881][   T10] 
[ 1393.102918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.102918][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.102918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.102918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.102918][   T10]      ip6_route_add+0x1c/0x140
[ 1393.102918][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1393.102918][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1393.102918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.102918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.102918][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.102918][   T10]      netlink_unicast+0x449/0x710
[ 1393.102918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.102918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.102918][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.102918][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.102918][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.102918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.102918][   T10] 
[ 1393.105087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.105087][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.105087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.105087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.105087][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1393.105087][   T10]      ipv6_add_addr+0x411/0x2000
[ 1393.105087][   T10]      inet6_addr_add+0x30e/0xa40
[ 1393.105087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.105087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.105087][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.105087][   T10]      netlink_unicast+0x449/0x710
[ 1393.105087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.105087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.105087][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.105087][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.105087][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.105087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.105087][   T10] 
[ 1393.107202][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.107202][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.107202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.107202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.107202][   T10]      ip6_route_add+0x1c/0x140
[ 1393.107202][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1393.107202][   T10]      addrconf_add_dev+0xe2/0x170
[ 1393.107202][   T10]      inet6_addr_add+0x12f/0xa40
[ 1393.107202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.107202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.107202][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.107202][   T10]      netlink_unicast+0x449/0x710
[ 1393.107202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.107202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.107202][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.107202][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.107202][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.107202][   T10] 
[ 1393.109224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.109224][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1393.109224][   T10]      ipv6_find_idev+0x102/0x170
[ 1393.109224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1393.109224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.109224][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.109224][   T10]      netlink_unicast+0x449/0x710
[ 1393.109224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.109224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.109224][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.109224][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.109224][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.109224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.109224][   T10] 
[ 1393.110836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1393.110836][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1393.110836][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1393.110836][   T10]      ipv6_find_idev+0x102/0x170
[ 1393.110836][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1393.110836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.110836][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.110836][   T10]      netlink_unicast+0x449/0x710
[ 1393.110836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.110836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.110836][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.110836][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.110836][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.110836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.110836][   T10] 
[ 1393.112604][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1393.112872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.112872][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1393.112872][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1393.112872][   T10]      fib6_nh_init+0xa22/0x1580
[ 1393.112872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.112872][   T10]      ip6_route_add+0x1c/0x140
[ 1393.112872][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1393.112872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.112872][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.112872][   T10]      netlink_unicast+0x449/0x710
[ 1393.112872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.112872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.112872][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.112872][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.112872][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.112872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.112872][   T10] 
[ 1393.114864][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.114864][   T10]      dst_init+0x84/0x4a0
[ 1393.114864][   T10]      dst_alloc+0x97/0x150
[ 1393.114864][   T10]      ip6_dst_alloc+0x23/0x90
[ 1393.114864][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1393.114864][   T10]      ip6_pol_route+0x56f/0x840
[ 1393.114864][   T10]      fib6_rule_lookup+0x456/0x630
[ 1393.114864][   T10]      ip6_route_input+0x59c/0xa50
[ 1393.114864][   T10]      ipv6_rcv+0x397/0x810
[ 1393.114864][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1393.114864][   T10]      process_backlog+0x101/0x620
[ 1393.114864][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1393.114864][   T10]      net_rx_action+0x495/0xbe0
[ 1393.114864][   T10]      __do_softirq+0x1b5/0x7f6
[ 1393.114864][   T10] 
[ 1393.116623][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.116623][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.116623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.116623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.116623][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1393.116623][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1393.116623][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1393.116623][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1393.116623][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1393.116623][   T10]      addrconf_dad_begin+0x310/0x670
[ 1393.116623][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1393.116623][   T10]      process_one_work+0x84d/0x18a0
[ 1393.116623][   T10]      worker_thread+0x587/0xd30
[ 1393.116623][   T10]      kthread+0x28a/0x350
[ 1393.116623][   T10]      ret_from_fork+0x31/0x70
[ 1393.116623][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1393.116623][   T10] 
[ 1393.118898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.118898][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.118898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.118898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.118898][   T10]      ip6_route_add+0x1c/0x140
[ 1393.118898][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1393.118898][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1393.118898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.118898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.118898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.118898][   T10]      netlink_unicast+0x449/0x710
[ 1393.118898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.118898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.118898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.118898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.118898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.118898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.118898][   T10] 
[ 1393.121247][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.121247][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.121247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.121247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.121247][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1393.121247][   T10]      ipv6_add_addr+0x411/0x2000
[ 1393.121247][   T10]      inet6_addr_add+0x30e/0xa40
[ 1393.121247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.121247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.121247][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.121247][   T10]      netlink_unicast+0x449/0x710
[ 1393.121247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.121247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.121247][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.121247][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.121247][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.121247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.121247][   T10] 
[ 1393.123601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.123601][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.123601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.123601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.123601][   T10]      ip6_route_add+0x1c/0x140
[ 1393.123601][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1393.123601][   T10]      addrconf_add_dev+0xe2/0x170
[ 1393.123601][   T10]      inet6_addr_add+0x12f/0xa40
[ 1393.123601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.123601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.123601][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.123601][   T10]      netlink_unicast+0x449/0x710
[ 1393.123601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.123601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.123601][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.123601][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.123601][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.123601][   T10] 
[ 1393.125831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.125831][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1393.125831][   T10]      ipv6_find_idev+0x102/0x170
[ 1393.125831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1393.125831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.125831][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.125831][   T10]      netlink_unicast+0x449/0x710
[ 1393.125831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.125831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.125831][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.125831][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.125831][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.125831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.125831][   T10] 
[ 1393.127572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1393.127572][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1393.127572][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1393.127572][   T10]      ipv6_find_idev+0x102/0x170
[ 1393.127572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1393.127572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.127572][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.127572][   T10]      netlink_unicast+0x449/0x710
[ 1393.127572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.127572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.127572][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.127572][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.127572][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.127572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.127572][   T10] 
[ 1393.129508][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1393.129774][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1393.129774][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.129774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.129774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.129774][   T10]      ip6_route_add+0x1c/0x140
[ 1393.129774][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1393.129774][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1393.129774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.129774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.129774][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.129774][   T10]      netlink_unicast+0x449/0x710
[ 1393.129774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.129774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.129774][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.129774][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.129774][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.129774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.129774][   T10] 
[ 1393.132044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1393.132044][   T10]      netdev_get_by_index+0x5e/0x80
[ 1393.132044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1393.132044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1393.132044][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1393.132044][   T10]      ipv6_add_addr+0x411/0x2000
[ 1393.132044][   T10]      inet6_addr_add+0x30e/0xa40
[ 1393.132044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1393.132044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.132044][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.132044][   T10]      netlink_unicast+0x449/0x710
[ 1393.132044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.132044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.132044][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.132044][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.132044][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.132044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.132044][   T10] 
[ 1393.134593][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1393.134593][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1393.134593][   T10]      ipv6_find_idev+0x102/0x170
[ 1393.134593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1393.134593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.134593][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.134593][   T10]      netlink_unicast+0x449/0x710
[ 1393.134593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.134593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.134593][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.134593][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.134593][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.134593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.134593][   T10] 
[ 1393.136279][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1393.136279][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1393.136279][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1393.136279][   T10]      ipv6_find_idev+0x102/0x170
[ 1393.136279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1393.136279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1393.136279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1393.136279][   T10]      netlink_unicast+0x449/0x710
[ 1393.136279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1393.136279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1393.136279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1393.136279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1393.136279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1393.136279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1393.136279][   T10] 
[ 1393.591537][ T7151] br0: port 1(vx0) entered blocking state
[ 1393.591812][ T7151] br0: port 1(vx0) entered disabled state
[ 1393.591994][ T7151] vx0: entered allmulticast mode
[ 1393.593179][ T7151] vx0: entered promiscuous mode
[ 1393.596248][ T7151] br0: port 1(vx0) entered blocking state
[ 1393.596418][ T7151] br0: port 1(vx0) entered forwarding state
[ 1397.566714][ T7183] veth0: renamed from veth1
[ 1401.440807][ T7209] br0: port 1(vx0) entered blocking state
[ 1401.441061][ T7209] br0: port 1(vx0) entered disabled state
[ 1401.441235][ T7209] vx0: entered allmulticast mode
[ 1401.442338][ T7209] vx0: entered promiscuous mode
[ 1401.444052][ T7209] br0: port 1(vx0) entered blocking state
[ 1401.444223][ T7209] br0: port 1(vx0) entered forwarding state
[ 1403.264648][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1403.265030][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.265030][   T10]      dst_init+0x84/0x4a0
[ 1403.265030][   T10]      dst_alloc+0x97/0x150
[ 1403.265030][   T10]      ip6_dst_alloc+0x23/0x90
[ 1403.265030][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1403.265030][   T10]      ip6_pol_route+0x56f/0x840
[ 1403.265030][   T10]      fib6_rule_lookup+0x456/0x630
[ 1403.265030][   T10]      ip6_route_input+0x59c/0xa50
[ 1403.265030][   T10]      ipv6_rcv+0x397/0x810
[ 1403.265030][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1403.265030][   T10]      process_backlog+0x101/0x620
[ 1403.265030][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1403.265030][   T10]      net_rx_action+0x495/0xbe0
[ 1403.265030][   T10]      __do_softirq+0x1b5/0x7f6
[ 1403.265030][   T10] 
[ 1403.266753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.266753][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1403.266753][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1403.266753][   T10]      fib6_nh_init+0xa22/0x1580
[ 1403.266753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.266753][   T10]      ip6_route_add+0x1c/0x140
[ 1403.266753][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1403.266753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.266753][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.266753][   T10]      netlink_unicast+0x449/0x710
[ 1403.266753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.266753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.266753][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.266753][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.266753][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.266753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.266753][   T10] 
[ 1403.268688][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.268688][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.268688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.268688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.268688][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1403.268688][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1403.268688][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1403.268688][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1403.268688][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1403.268688][   T10]      addrconf_dad_begin+0x310/0x670
[ 1403.268688][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1403.268688][   T10]      process_one_work+0x84d/0x18a0
[ 1403.268688][   T10]      worker_thread+0x587/0xd30
[ 1403.268688][   T10]      kthread+0x28a/0x350
[ 1403.268688][   T10]      ret_from_fork+0x31/0x70
[ 1403.268688][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1403.268688][   T10] 
[ 1403.270631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.270631][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.270631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.270631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.270631][   T10]      ip6_route_add+0x1c/0x140
[ 1403.270631][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1403.270631][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1403.270631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.270631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.270631][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.270631][   T10]      netlink_unicast+0x449/0x710
[ 1403.270631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.270631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.270631][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.270631][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.270631][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.270631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.270631][   T10] 
[ 1403.272661][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.272661][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.272661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.272661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.272661][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1403.272661][   T10]      ipv6_add_addr+0x411/0x2000
[ 1403.272661][   T10]      inet6_addr_add+0x30e/0xa40
[ 1403.272661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.272661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.272661][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.272661][   T10]      netlink_unicast+0x449/0x710
[ 1403.272661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.272661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.272661][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.272661][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.272661][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.272661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.272661][   T10] 
[ 1403.274706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.274706][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.274706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.274706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.274706][   T10]      ip6_route_add+0x1c/0x140
[ 1403.274706][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1403.274706][   T10]      addrconf_add_dev+0xe2/0x170
[ 1403.274706][   T10]      inet6_addr_add+0x12f/0xa40
[ 1403.274706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.274706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.274706][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.274706][   T10]      netlink_unicast+0x449/0x710
[ 1403.274706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.274706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.274706][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.274706][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.274706][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.274706][   T10] 
[ 1403.276729][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.276729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1403.276729][   T10]      ipv6_find_idev+0x102/0x170
[ 1403.276729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1403.276729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.276729][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.276729][   T10]      netlink_unicast+0x449/0x710
[ 1403.276729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.276729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.276729][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.276729][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.276729][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.276729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.276729][   T10] 
[ 1403.278302][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1403.278302][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1403.278302][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1403.278302][   T10]      ipv6_find_idev+0x102/0x170
[ 1403.278302][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1403.278302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.278302][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.278302][   T10]      netlink_unicast+0x449/0x710
[ 1403.278302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.278302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.278302][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.278302][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.278302][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.278302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.278302][   T10] 
[ 1403.280059][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1403.280307][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.280307][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1403.280307][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1403.280307][   T10]      fib6_nh_init+0xa22/0x1580
[ 1403.280307][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.280307][   T10]      ip6_route_add+0x1c/0x140
[ 1403.280307][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1403.280307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.280307][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.280307][   T10]      netlink_unicast+0x449/0x710
[ 1403.280307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.280307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.280307][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.280307][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.280307][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.280307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.280307][   T10] 
[ 1403.282305][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.282305][   T10]      dst_init+0x84/0x4a0
[ 1403.282305][   T10]      dst_alloc+0x97/0x150
[ 1403.282305][   T10]      ip6_dst_alloc+0x23/0x90
[ 1403.282305][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1403.282305][   T10]      ip6_pol_route+0x56f/0x840
[ 1403.282305][   T10]      fib6_rule_lookup+0x456/0x630
[ 1403.282305][   T10]      ip6_route_input+0x59c/0xa50
[ 1403.282305][   T10]      ipv6_rcv+0x397/0x810
[ 1403.282305][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1403.282305][   T10]      process_backlog+0x101/0x620
[ 1403.282305][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1403.282305][   T10]      net_rx_action+0x495/0xbe0
[ 1403.282305][   T10]      __do_softirq+0x1b5/0x7f6
[ 1403.282305][   T10] 
[ 1403.284055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.284055][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.284055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.284055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.284055][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1403.284055][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1403.284055][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1403.284055][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1403.284055][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1403.284055][   T10]      addrconf_dad_begin+0x310/0x670
[ 1403.284055][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1403.284055][   T10]      process_one_work+0x84d/0x18a0
[ 1403.284055][   T10]      worker_thread+0x587/0xd30
[ 1403.284055][   T10]      kthread+0x28a/0x350
[ 1403.284055][   T10]      ret_from_fork+0x31/0x70
[ 1403.284055][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1403.284055][   T10] 
[ 1403.286186][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.286186][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.286186][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.286186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.286186][   T10]      ip6_route_add+0x1c/0x140
[ 1403.286186][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1403.286186][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1403.286186][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.286186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.286186][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.286186][   T10]      netlink_unicast+0x449/0x710
[ 1403.286186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.286186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.286186][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.286186][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.286186][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.286186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.286186][   T10] 
[ 1403.288527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.288527][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.288527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.288527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.288527][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1403.288527][   T10]      ipv6_add_addr+0x411/0x2000
[ 1403.288527][   T10]      inet6_addr_add+0x30e/0xa40
[ 1403.288527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.288527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.288527][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.288527][   T10]      netlink_unicast+0x449/0x710
[ 1403.288527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.288527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.288527][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.288527][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.288527][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.288527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.288527][   T10] 
[ 1403.290876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.290876][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.290876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.290876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.290876][   T10]      ip6_route_add+0x1c/0x140
[ 1403.290876][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1403.290876][   T10]      addrconf_add_dev+0xe2/0x170
[ 1403.290876][   T10]      inet6_addr_add+0x12f/0xa40
[ 1403.290876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.290876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.290876][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.290876][   T10]      netlink_unicast+0x449/0x710
[ 1403.290876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.290876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.290876][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.290876][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.290876][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.290876][   T10] 
[ 1403.293169][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.293169][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1403.293169][   T10]      ipv6_find_idev+0x102/0x170
[ 1403.293169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1403.293169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.293169][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.293169][   T10]      netlink_unicast+0x449/0x710
[ 1403.293169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.293169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.293169][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.293169][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.293169][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.293169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.293169][   T10] 
[ 1403.295013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1403.295013][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1403.295013][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1403.295013][   T10]      ipv6_find_idev+0x102/0x170
[ 1403.295013][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1403.295013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.295013][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.295013][   T10]      netlink_unicast+0x449/0x710
[ 1403.295013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.295013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.295013][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.295013][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.295013][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.295013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.295013][   T10] 
[ 1403.296907][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1403.297165][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1403.297165][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.297165][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.297165][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.297165][   T10]      ip6_route_add+0x1c/0x140
[ 1403.297165][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1403.297165][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1403.297165][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.297165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.297165][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.297165][   T10]      netlink_unicast+0x449/0x710
[ 1403.297165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.297165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.297165][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.297165][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.297165][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.297165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.297165][   T10] 
[ 1403.299527][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1403.299527][   T10]      netdev_get_by_index+0x5e/0x80
[ 1403.299527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1403.299527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1403.299527][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1403.299527][   T10]      ipv6_add_addr+0x411/0x2000
[ 1403.299527][   T10]      inet6_addr_add+0x30e/0xa40
[ 1403.299527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1403.299527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.299527][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.299527][   T10]      netlink_unicast+0x449/0x710
[ 1403.299527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.299527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.299527][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.299527][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.299527][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.299527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.299527][   T10] 
[ 1403.301992][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1403.301992][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1403.301992][   T10]      ipv6_find_idev+0x102/0x170
[ 1403.301992][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1403.301992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.301992][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.301992][   T10]      netlink_unicast+0x449/0x710
[ 1403.301992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.301992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.301992][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.301992][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.301992][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.301992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.301992][   T10] 
[ 1403.303848][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1403.303848][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1403.303848][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1403.303848][   T10]      ipv6_find_idev+0x102/0x170
[ 1403.303848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1403.303848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1403.303848][   T10]      netlink_rcv_skb+0x130/0x360
[ 1403.303848][   T10]      netlink_unicast+0x449/0x710
[ 1403.303848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1403.303848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1403.303848][   T10]      ___sys_sendmsg+0xee/0x170
[ 1403.303848][   T10]      __sys_sendmsg+0xcd/0x170
[ 1403.303848][   T10]      do_syscall_64+0xc6/0x1e0
[ 1403.303848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1403.303848][   T10] 
[ 1406.872641][ T7239] br0: port 1(vx0) entered blocking state
[ 1406.872899][ T7239] br0: port 1(vx0) entered disabled state
[ 1406.873076][ T7239] vx0: entered allmulticast mode
[ 1406.874493][ T7239] vx0: entered promiscuous mode
[ 1406.876392][ T7239] br0: port 1(vx0) entered blocking state
[ 1406.876562][ T7239] br0: port 1(vx0) entered forwarding state
[ 1413.376699][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1413.377165][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.377165][   T10]      dst_init+0x84/0x4a0
[ 1413.377165][   T10]      dst_alloc+0x97/0x150
[ 1413.377165][   T10]      ip6_dst_alloc+0x23/0x90
[ 1413.377165][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1413.377165][   T10]      ip6_pol_route+0x56f/0x840
[ 1413.377165][   T10]      fib6_rule_lookup+0x456/0x630
[ 1413.377165][   T10]      ip6_route_input+0x59c/0xa50
[ 1413.377165][   T10]      ipv6_rcv+0x397/0x810
[ 1413.377165][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1413.377165][   T10]      process_backlog+0x101/0x620
[ 1413.377165][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1413.377165][   T10]      net_rx_action+0x495/0xbe0
[ 1413.377165][   T10]      __do_softirq+0x1b5/0x7f6
[ 1413.377165][   T10] 
[ 1413.379022][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.379022][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1413.379022][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1413.379022][   T10]      fib6_nh_init+0xa22/0x1580
[ 1413.379022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.379022][   T10]      ip6_route_add+0x1c/0x140
[ 1413.379022][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1413.379022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.379022][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.379022][   T10]      netlink_unicast+0x449/0x710
[ 1413.379022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.379022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.379022][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.379022][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.379022][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.379022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.379022][   T10] 
[ 1413.381061][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.381061][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.381061][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.381061][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.381061][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1413.381061][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1413.381061][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1413.381061][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1413.381061][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1413.381061][   T10]      addrconf_dad_begin+0x310/0x670
[ 1413.381061][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1413.381061][   T10]      process_one_work+0x84d/0x18a0
[ 1413.381061][   T10]      worker_thread+0x587/0xd30
[ 1413.381061][   T10]      kthread+0x28a/0x350
[ 1413.381061][   T10]      ret_from_fork+0x31/0x70
[ 1413.381061][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1413.381061][   T10] 
[ 1413.383104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.383104][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.383104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.383104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.383104][   T10]      ip6_route_add+0x1c/0x140
[ 1413.383104][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1413.383104][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1413.383104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.383104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.383104][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.383104][   T10]      netlink_unicast+0x449/0x710
[ 1413.383104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.383104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.383104][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.383104][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.383104][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.383104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.383104][   T10] 
[ 1413.385239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.385239][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.385239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.385239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.385239][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1413.385239][   T10]      ipv6_add_addr+0x411/0x2000
[ 1413.385239][   T10]      inet6_addr_add+0x30e/0xa40
[ 1413.385239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.385239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.385239][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.385239][   T10]      netlink_unicast+0x449/0x710
[ 1413.385239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.385239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.385239][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.385239][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.385239][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.385239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.385239][   T10] 
[ 1413.387397][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.387397][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.387397][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.387397][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.387397][   T10]      ip6_route_add+0x1c/0x140
[ 1413.387397][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1413.387397][   T10]      addrconf_add_dev+0xe2/0x170
[ 1413.387397][   T10]      inet6_addr_add+0x12f/0xa40
[ 1413.387397][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.387397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.387397][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.387397][   T10]      netlink_unicast+0x449/0x710
[ 1413.387397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.387397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.387397][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.387397][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.387397][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.387397][   T10] 
[ 1413.389516][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.389516][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1413.389516][   T10]      ipv6_find_idev+0x102/0x170
[ 1413.389516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1413.389516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.389516][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.389516][   T10]      netlink_unicast+0x449/0x710
[ 1413.389516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.389516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.389516][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.389516][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.389516][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.389516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.389516][   T10] 
[ 1413.391163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1413.391163][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1413.391163][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1413.391163][   T10]      ipv6_find_idev+0x102/0x170
[ 1413.391163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1413.391163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.391163][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.391163][   T10]      netlink_unicast+0x449/0x710
[ 1413.391163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.391163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.391163][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.391163][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.391163][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.391163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.391163][   T10] 
[ 1413.392994][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1413.393258][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.393258][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1413.393258][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1413.393258][   T10]      fib6_nh_init+0xa22/0x1580
[ 1413.393258][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.393258][   T10]      ip6_route_add+0x1c/0x140
[ 1413.393258][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1413.393258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.393258][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.393258][   T10]      netlink_unicast+0x449/0x710
[ 1413.393258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.393258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.393258][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.393258][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.393258][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.393258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.393258][   T10] 
[ 1413.395268][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.395268][   T10]      dst_init+0x84/0x4a0
[ 1413.395268][   T10]      dst_alloc+0x97/0x150
[ 1413.395268][   T10]      ip6_dst_alloc+0x23/0x90
[ 1413.395268][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1413.395268][   T10]      ip6_pol_route+0x56f/0x840
[ 1413.395268][   T10]      fib6_rule_lookup+0x456/0x630
[ 1413.395268][   T10]      ip6_route_input+0x59c/0xa50
[ 1413.395268][   T10]      ipv6_rcv+0x397/0x810
[ 1413.395268][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1413.395268][   T10]      process_backlog+0x101/0x620
[ 1413.395268][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1413.395268][   T10]      net_rx_action+0x495/0xbe0
[ 1413.395268][   T10]      __do_softirq+0x1b5/0x7f6
[ 1413.395268][   T10] 
[ 1413.397030][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.397030][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.397030][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.397030][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.397030][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1413.397030][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1413.397030][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1413.397030][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1413.397030][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1413.397030][   T10]      addrconf_dad_begin+0x310/0x670
[ 1413.397030][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1413.397030][   T10]      process_one_work+0x84d/0x18a0
[ 1413.397030][   T10]      worker_thread+0x587/0xd30
[ 1413.397030][   T10]      kthread+0x28a/0x350
[ 1413.397030][   T10]      ret_from_fork+0x31/0x70
[ 1413.397030][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1413.397030][   T10] 
[ 1413.399081][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.399081][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.399081][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.399081][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.399081][   T10]      ip6_route_add+0x1c/0x140
[ 1413.399081][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1413.399081][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1413.399081][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.399081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.399081][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.399081][   T10]      netlink_unicast+0x449/0x710
[ 1413.399081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.399081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.399081][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.399081][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.399081][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.399081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.399081][   T10] 
[ 1413.401242][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.401242][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.401242][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.401242][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.401242][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1413.401242][   T10]      ipv6_add_addr+0x411/0x2000
[ 1413.401242][   T10]      inet6_addr_add+0x30e/0xa40
[ 1413.401242][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.401242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.401242][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.401242][   T10]      netlink_unicast+0x449/0x710
[ 1413.401242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.401242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.401242][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.401242][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.401242][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.401242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.401242][   T10] 
[ 1413.403390][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.403390][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.403390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.403390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.403390][   T10]      ip6_route_add+0x1c/0x140
[ 1413.403390][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1413.403390][   T10]      addrconf_add_dev+0xe2/0x170
[ 1413.403390][   T10]      inet6_addr_add+0x12f/0xa40
[ 1413.403390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.403390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.403390][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.403390][   T10]      netlink_unicast+0x449/0x710
[ 1413.403390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.403390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.403390][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.403390][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.403390][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.403390][   T10] 
[ 1413.405700][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.405700][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1413.405700][   T10]      ipv6_find_idev+0x102/0x170
[ 1413.405700][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1413.405700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.405700][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.405700][   T10]      netlink_unicast+0x449/0x710
[ 1413.405700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.405700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.405700][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.405700][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.405700][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.405700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.405700][   T10] 
[ 1413.407421][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1413.407421][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1413.407421][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1413.407421][   T10]      ipv6_find_idev+0x102/0x170
[ 1413.407421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1413.407421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.407421][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.407421][   T10]      netlink_unicast+0x449/0x710
[ 1413.407421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.407421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.407421][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.407421][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.407421][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.407421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.407421][   T10] 
[ 1413.409393][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1413.409673][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1413.409673][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.409673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.409673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.409673][   T10]      ip6_route_add+0x1c/0x140
[ 1413.409673][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1413.409673][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1413.409673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.409673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.409673][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.409673][   T10]      netlink_unicast+0x449/0x710
[ 1413.409673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.409673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.409673][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.409673][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.409673][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.409673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.409673][   T10] 
[ 1413.411965][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1413.411965][   T10]      netdev_get_by_index+0x5e/0x80
[ 1413.411965][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1413.411965][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1413.411965][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1413.411965][   T10]      ipv6_add_addr+0x411/0x2000
[ 1413.411965][   T10]      inet6_addr_add+0x30e/0xa40
[ 1413.411965][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1413.411965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.411965][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.411965][   T10]      netlink_unicast+0x449/0x710
[ 1413.411965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.411965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.411965][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.411965][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.411965][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.411965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.411965][   T10] 
[ 1413.414240][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1413.414240][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1413.414240][   T10]      ipv6_find_idev+0x102/0x170
[ 1413.414240][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1413.414240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.414240][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.414240][   T10]      netlink_unicast+0x449/0x710
[ 1413.414240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.414240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.414240][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.414240][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.414240][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.414240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.414240][   T10] 
[ 1413.415983][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1413.415983][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1413.415983][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1413.415983][   T10]      ipv6_find_idev+0x102/0x170
[ 1413.415983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1413.415983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1413.415983][   T10]      netlink_rcv_skb+0x130/0x360
[ 1413.415983][   T10]      netlink_unicast+0x449/0x710
[ 1413.415983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1413.415983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1413.415983][   T10]      ___sys_sendmsg+0xee/0x170
[ 1413.415983][   T10]      __sys_sendmsg+0xcd/0x170
[ 1413.415983][   T10]      do_syscall_64+0xc6/0x1e0
[ 1413.415983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1413.415983][   T10] 
[ 1423.544622][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1423.545010][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.545010][   T10]      dst_init+0x84/0x4a0
[ 1423.545010][   T10]      dst_alloc+0x97/0x150
[ 1423.545010][   T10]      ip6_dst_alloc+0x23/0x90
[ 1423.545010][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1423.545010][   T10]      ip6_pol_route+0x56f/0x840
[ 1423.545010][   T10]      fib6_rule_lookup+0x456/0x630
[ 1423.545010][   T10]      ip6_route_input+0x59c/0xa50
[ 1423.545010][   T10]      ipv6_rcv+0x397/0x810
[ 1423.545010][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1423.545010][   T10]      process_backlog+0x101/0x620
[ 1423.545010][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1423.545010][   T10]      net_rx_action+0x495/0xbe0
[ 1423.545010][   T10]      __do_softirq+0x1b5/0x7f6
[ 1423.545010][   T10] 
[ 1423.547249][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.547249][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1423.547249][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1423.547249][   T10]      fib6_nh_init+0xa22/0x1580
[ 1423.547249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.547249][   T10]      ip6_route_add+0x1c/0x140
[ 1423.547249][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1423.547249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.547249][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.547249][   T10]      netlink_unicast+0x449/0x710
[ 1423.547249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.547249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.547249][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.547249][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.547249][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.547249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.547249][   T10] 
[ 1423.549757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.549757][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.549757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.549757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.549757][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1423.549757][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1423.549757][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1423.549757][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1423.549757][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1423.549757][   T10]      addrconf_dad_begin+0x310/0x670
[ 1423.549757][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1423.549757][   T10]      process_one_work+0x84d/0x18a0
[ 1423.549757][   T10]      worker_thread+0x587/0xd30
[ 1423.549757][   T10]      kthread+0x28a/0x350
[ 1423.549757][   T10]      ret_from_fork+0x31/0x70
[ 1423.549757][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1423.549757][   T10] 
[ 1423.552266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.552266][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.552266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.552266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.552266][   T10]      ip6_route_add+0x1c/0x140
[ 1423.552266][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1423.552266][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1423.552266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.552266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.552266][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.552266][   T10]      netlink_unicast+0x449/0x710
[ 1423.552266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.552266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.552266][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.552266][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.552266][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.552266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.552266][   T10] 
[ 1423.554871][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.554871][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.554871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.554871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.554871][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1423.554871][   T10]      ipv6_add_addr+0x411/0x2000
[ 1423.554871][   T10]      inet6_addr_add+0x30e/0xa40
[ 1423.554871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.554871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.554871][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.554871][   T10]      netlink_unicast+0x449/0x710
[ 1423.554871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.554871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.554871][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.554871][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.554871][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.554871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.554871][   T10] 
[ 1423.557360][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.557360][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.557360][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.557360][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.557360][   T10]      ip6_route_add+0x1c/0x140
[ 1423.557360][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1423.557360][   T10]      addrconf_add_dev+0xe2/0x170
[ 1423.557360][   T10]      inet6_addr_add+0x12f/0xa40
[ 1423.557360][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.557360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.557360][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.557360][   T10]      netlink_unicast+0x449/0x710
[ 1423.557360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.557360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.557360][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.557360][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.557360][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.557360][   T10] 
[ 1423.559825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.559825][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1423.559825][   T10]      ipv6_find_idev+0x102/0x170
[ 1423.559825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1423.559825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.559825][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.559825][   T10]      netlink_unicast+0x449/0x710
[ 1423.559825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.559825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.559825][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.559825][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.559825][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.559825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.559825][   T10] 
[ 1423.561835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1423.561835][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1423.561835][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1423.561835][   T10]      ipv6_find_idev+0x102/0x170
[ 1423.561835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1423.561835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.561835][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.561835][   T10]      netlink_unicast+0x449/0x710
[ 1423.561835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.561835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.561835][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.561835][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.561835][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.561835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.561835][   T10] 
[ 1423.564074][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1423.564444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.564444][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1423.564444][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1423.564444][   T10]      fib6_nh_init+0xa22/0x1580
[ 1423.564444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.564444][   T10]      ip6_route_add+0x1c/0x140
[ 1423.564444][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1423.564444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.564444][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.564444][   T10]      netlink_unicast+0x449/0x710
[ 1423.564444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.564444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.564444][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.564444][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.564444][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.564444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.564444][   T10] 
[ 1423.567060][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.567060][   T10]      dst_init+0x84/0x4a0
[ 1423.567060][   T10]      dst_alloc+0x97/0x150
[ 1423.567060][   T10]      ip6_dst_alloc+0x23/0x90
[ 1423.567060][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1423.567060][   T10]      ip6_pol_route+0x56f/0x840
[ 1423.567060][   T10]      fib6_rule_lookup+0x456/0x630
[ 1423.567060][   T10]      ip6_route_input+0x59c/0xa50
[ 1423.567060][   T10]      ipv6_rcv+0x397/0x810
[ 1423.567060][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1423.567060][   T10]      process_backlog+0x101/0x620
[ 1423.567060][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1423.567060][   T10]      net_rx_action+0x495/0xbe0
[ 1423.567060][   T10]      __do_softirq+0x1b5/0x7f6
[ 1423.567060][   T10] 
[ 1423.569519][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.569519][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.569519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.569519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.569519][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1423.569519][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1423.569519][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1423.569519][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1423.569519][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1423.569519][   T10]      addrconf_dad_begin+0x310/0x670
[ 1423.569519][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1423.569519][   T10]      process_one_work+0x84d/0x18a0
[ 1423.569519][   T10]      worker_thread+0x587/0xd30
[ 1423.569519][   T10]      kthread+0x28a/0x350
[ 1423.569519][   T10]      ret_from_fork+0x31/0x70
[ 1423.569519][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1423.569519][   T10] 
[ 1423.572324][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.572324][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.572324][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.572324][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.572324][   T10]      ip6_route_add+0x1c/0x140
[ 1423.572324][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1423.572324][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1423.572324][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.572324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.572324][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.572324][   T10]      netlink_unicast+0x449/0x710
[ 1423.572324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.572324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.572324][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.572324][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.572324][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.572324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.572324][   T10] 
[ 1423.575301][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.575301][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.575301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.575301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.575301][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1423.575301][   T10]      ipv6_add_addr+0x411/0x2000
[ 1423.575301][   T10]      inet6_addr_add+0x30e/0xa40
[ 1423.575301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.575301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.575301][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.575301][   T10]      netlink_unicast+0x449/0x710
[ 1423.575301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.575301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.575301][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.575301][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.575301][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.575301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.575301][   T10] 
[ 1423.578080][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.578080][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.578080][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.578080][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.578080][   T10]      ip6_route_add+0x1c/0x140
[ 1423.578080][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1423.578080][   T10]      addrconf_add_dev+0xe2/0x170
[ 1423.578080][   T10]      inet6_addr_add+0x12f/0xa40
[ 1423.578080][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.578080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.578080][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.578080][   T10]      netlink_unicast+0x449/0x710
[ 1423.578080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.578080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.578080][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.578080][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.578080][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.578080][   T10] 
[ 1423.580930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.580930][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1423.580930][   T10]      ipv6_find_idev+0x102/0x170
[ 1423.580930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1423.580930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.580930][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.580930][   T10]      netlink_unicast+0x449/0x710
[ 1423.580930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.580930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.580930][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.580930][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.580930][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.580930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.580930][   T10] 
[ 1423.583124][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1423.583124][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1423.583124][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1423.583124][   T10]      ipv6_find_idev+0x102/0x170
[ 1423.583124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1423.583124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.583124][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.583124][   T10]      netlink_unicast+0x449/0x710
[ 1423.583124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.583124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.583124][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.583124][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.583124][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.583124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.583124][   T10] 
[ 1423.585650][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1423.585990][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1423.585990][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.585990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.585990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.585990][   T10]      ip6_route_add+0x1c/0x140
[ 1423.585990][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1423.585990][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1423.585990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.585990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.585990][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.585990][   T10]      netlink_unicast+0x449/0x710
[ 1423.585990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.585990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.585990][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.585990][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.585990][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.585990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.585990][   T10] 
[ 1423.588843][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1423.588843][   T10]      netdev_get_by_index+0x5e/0x80
[ 1423.588843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1423.588843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1423.588843][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1423.588843][   T10]      ipv6_add_addr+0x411/0x2000
[ 1423.588843][   T10]      inet6_addr_add+0x30e/0xa40
[ 1423.588843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1423.588843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.588843][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.588843][   T10]      netlink_unicast+0x449/0x710
[ 1423.588843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.588843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.588843][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.588843][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.588843][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.588843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.588843][   T10] 
[ 1423.591889][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1423.591889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1423.591889][   T10]      ipv6_find_idev+0x102/0x170
[ 1423.591889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1423.591889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.591889][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.591889][   T10]      netlink_unicast+0x449/0x710
[ 1423.591889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.591889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.591889][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.591889][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.591889][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.591889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.591889][   T10] 
[ 1423.594247][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1423.594247][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1423.594247][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1423.594247][   T10]      ipv6_find_idev+0x102/0x170
[ 1423.594247][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1423.594247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1423.594247][   T10]      netlink_rcv_skb+0x130/0x360
[ 1423.594247][   T10]      netlink_unicast+0x449/0x710
[ 1423.594247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1423.594247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1423.594247][   T10]      ___sys_sendmsg+0xee/0x170
[ 1423.594247][   T10]      __sys_sendmsg+0xcd/0x170
[ 1423.594247][   T10]      do_syscall_64+0xc6/0x1e0
[ 1423.594247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1423.594247][   T10] 
[ 1429.099047][ T7444] veth0: renamed from veth1
[ 1433.056357][ T7470] br0: port 1(vx0) entered blocking state
[ 1433.056658][ T7470] br0: port 1(vx0) entered disabled state
[ 1433.056844][ T7470] vx0: entered allmulticast mode
[ 1433.058424][ T7470] vx0: entered promiscuous mode
[ 1433.060213][ T7470] br0: port 1(vx0) entered blocking state
[ 1433.060388][ T7470] br0: port 1(vx0) entered forwarding state
[ 1433.713605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1433.713939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.713939][   T10]      dst_init+0x84/0x4a0
[ 1433.713939][   T10]      dst_alloc+0x97/0x150
[ 1433.713939][   T10]      ip6_dst_alloc+0x23/0x90
[ 1433.713939][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1433.713939][   T10]      ip6_pol_route+0x56f/0x840
[ 1433.713939][   T10]      fib6_rule_lookup+0x456/0x630
[ 1433.713939][   T10]      ip6_route_input+0x59c/0xa50
[ 1433.713939][   T10]      ipv6_rcv+0x397/0x810
[ 1433.713939][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1433.713939][   T10]      process_backlog+0x101/0x620
[ 1433.713939][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1433.713939][   T10]      net_rx_action+0x495/0xbe0
[ 1433.713939][   T10]      __do_softirq+0x1b5/0x7f6
[ 1433.713939][   T10] 
[ 1433.715667][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.715667][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1433.715667][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1433.715667][   T10]      fib6_nh_init+0xa22/0x1580
[ 1433.715667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.715667][   T10]      ip6_route_add+0x1c/0x140
[ 1433.715667][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1433.715667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.715667][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.715667][   T10]      netlink_unicast+0x449/0x710
[ 1433.715667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.715667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.715667][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.715667][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.715667][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.715667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.715667][   T10] 
[ 1433.717670][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.717670][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.717670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.717670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.717670][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1433.717670][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1433.717670][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1433.717670][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1433.717670][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1433.717670][   T10]      addrconf_dad_begin+0x310/0x670
[ 1433.717670][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1433.717670][   T10]      process_one_work+0x84d/0x18a0
[ 1433.717670][   T10]      worker_thread+0x587/0xd30
[ 1433.717670][   T10]      kthread+0x28a/0x350
[ 1433.717670][   T10]      ret_from_fork+0x31/0x70
[ 1433.717670][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1433.717670][   T10] 
[ 1433.719686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.719686][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.719686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.719686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.719686][   T10]      ip6_route_add+0x1c/0x140
[ 1433.719686][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1433.719686][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1433.719686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.719686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.719686][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.719686][   T10]      netlink_unicast+0x449/0x710
[ 1433.719686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.719686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.719686][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.719686][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.719686][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.719686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.719686][   T10] 
[ 1433.721847][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.721847][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.721847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.721847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.721847][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1433.721847][   T10]      ipv6_add_addr+0x411/0x2000
[ 1433.721847][   T10]      inet6_addr_add+0x30e/0xa40
[ 1433.721847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.721847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.721847][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.721847][   T10]      netlink_unicast+0x449/0x710
[ 1433.721847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.721847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.721847][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.721847][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.721847][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.721847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.721847][   T10] 
[ 1433.724111][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.724111][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.724111][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.724111][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.724111][   T10]      ip6_route_add+0x1c/0x140
[ 1433.724111][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1433.724111][   T10]      addrconf_add_dev+0xe2/0x170
[ 1433.724111][   T10]      inet6_addr_add+0x12f/0xa40
[ 1433.724111][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.724111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.724111][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.724111][   T10]      netlink_unicast+0x449/0x710
[ 1433.724111][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.724111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.724111][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.724111][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.724111][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.724111][   T10] 
[ 1433.726351][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.726351][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1433.726351][   T10]      ipv6_find_idev+0x102/0x170
[ 1433.726351][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1433.726351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.726351][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.726351][   T10]      netlink_unicast+0x449/0x710
[ 1433.726351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.726351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.726351][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.726351][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.726351][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.726351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.726351][   T10] 
[ 1433.728092][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1433.728092][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1433.728092][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1433.728092][   T10]      ipv6_find_idev+0x102/0x170
[ 1433.728092][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1433.728092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.728092][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.728092][   T10]      netlink_unicast+0x449/0x710
[ 1433.728092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.728092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.728092][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.728092][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.728092][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.728092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.728092][   T10] 
[ 1433.730433][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1433.730724][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.730724][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1433.730724][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1433.730724][   T10]      fib6_nh_init+0xa22/0x1580
[ 1433.730724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.730724][   T10]      ip6_route_add+0x1c/0x140
[ 1433.730724][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1433.730724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.730724][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.730724][   T10]      netlink_unicast+0x449/0x710
[ 1433.730724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.730724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.730724][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.730724][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.730724][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.730724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.730724][   T10] 
[ 1433.732810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.732810][   T10]      dst_init+0x84/0x4a0
[ 1433.732810][   T10]      dst_alloc+0x97/0x150
[ 1433.732810][   T10]      ip6_dst_alloc+0x23/0x90
[ 1433.732810][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1433.732810][   T10]      ip6_pol_route+0x56f/0x840
[ 1433.732810][   T10]      fib6_rule_lookup+0x456/0x630
[ 1433.732810][   T10]      ip6_route_input+0x59c/0xa50
[ 1433.732810][   T10]      ipv6_rcv+0x397/0x810
[ 1433.732810][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1433.732810][   T10]      process_backlog+0x101/0x620
[ 1433.732810][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1433.732810][   T10]      net_rx_action+0x495/0xbe0
[ 1433.732810][   T10]      __do_softirq+0x1b5/0x7f6
[ 1433.732810][   T10] 
[ 1433.734655][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.734655][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.734655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.734655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.734655][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1433.734655][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1433.734655][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1433.734655][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1433.734655][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1433.734655][   T10]      addrconf_dad_begin+0x310/0x670
[ 1433.734655][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1433.734655][   T10]      process_one_work+0x84d/0x18a0
[ 1433.734655][   T10]      worker_thread+0x587/0xd30
[ 1433.734655][   T10]      kthread+0x28a/0x350
[ 1433.734655][   T10]      ret_from_fork+0x31/0x70
[ 1433.734655][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1433.734655][   T10] 
[ 1433.736805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.736805][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.736805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.736805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.736805][   T10]      ip6_route_add+0x1c/0x140
[ 1433.736805][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1433.736805][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1433.736805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.736805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.736805][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.736805][   T10]      netlink_unicast+0x449/0x710
[ 1433.736805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.736805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.736805][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.736805][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.736805][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.736805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.736805][   T10] 
[ 1433.739127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.739127][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.739127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.739127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.739127][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1433.739127][   T10]      ipv6_add_addr+0x411/0x2000
[ 1433.739127][   T10]      inet6_addr_add+0x30e/0xa40
[ 1433.739127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.739127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.739127][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.739127][   T10]      netlink_unicast+0x449/0x710
[ 1433.739127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.739127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.739127][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.739127][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.739127][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.739127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.739127][   T10] 
[ 1433.741414][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.741414][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.741414][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.741414][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.741414][   T10]      ip6_route_add+0x1c/0x140
[ 1433.741414][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1433.741414][   T10]      addrconf_add_dev+0xe2/0x170
[ 1433.741414][   T10]      inet6_addr_add+0x12f/0xa40
[ 1433.741414][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.741414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.741414][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.741414][   T10]      netlink_unicast+0x449/0x710
[ 1433.741414][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.741414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.741414][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.741414][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.741414][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.741414][   T10] 
[ 1433.743681][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.743681][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1433.743681][   T10]      ipv6_find_idev+0x102/0x170
[ 1433.743681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1433.743681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.743681][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.743681][   T10]      netlink_unicast+0x449/0x710
[ 1433.743681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.743681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.743681][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.743681][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.743681][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.743681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.743681][   T10] 
[ 1433.745441][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1433.745441][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1433.745441][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1433.745441][   T10]      ipv6_find_idev+0x102/0x170
[ 1433.745441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1433.745441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.745441][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.745441][   T10]      netlink_unicast+0x449/0x710
[ 1433.745441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.745441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.745441][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.745441][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.745441][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.745441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.745441][   T10] 
[ 1433.747382][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1433.748293][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1433.748293][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.748293][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.748293][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.748293][   T10]      ip6_route_add+0x1c/0x140
[ 1433.748293][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1433.748293][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1433.748293][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.748293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.748293][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.748293][   T10]      netlink_unicast+0x449/0x710
[ 1433.748293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.748293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.748293][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.748293][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.748293][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.748293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.748293][   T10] 
[ 1433.750664][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1433.750664][   T10]      netdev_get_by_index+0x5e/0x80
[ 1433.750664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1433.750664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1433.750664][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1433.750664][   T10]      ipv6_add_addr+0x411/0x2000
[ 1433.750664][   T10]      inet6_addr_add+0x30e/0xa40
[ 1433.750664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1433.750664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.750664][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.750664][   T10]      netlink_unicast+0x449/0x710
[ 1433.750664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.750664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.750664][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.750664][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.750664][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.750664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.750664][   T10] 
[ 1433.753278][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1433.753278][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1433.753278][   T10]      ipv6_find_idev+0x102/0x170
[ 1433.753278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1433.753278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.753278][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.753278][   T10]      netlink_unicast+0x449/0x710
[ 1433.753278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.753278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.753278][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.753278][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.753278][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.753278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.753278][   T10] 
[ 1433.755197][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1433.755197][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1433.755197][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1433.755197][   T10]      ipv6_find_idev+0x102/0x170
[ 1433.755197][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1433.755197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1433.755197][   T10]      netlink_rcv_skb+0x130/0x360
[ 1433.755197][   T10]      netlink_unicast+0x449/0x710
[ 1433.755197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1433.755197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1433.755197][   T10]      ___sys_sendmsg+0xee/0x170
[ 1433.755197][   T10]      __sys_sendmsg+0xcd/0x170
[ 1433.755197][   T10]      do_syscall_64+0xc6/0x1e0
[ 1433.755197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1433.755197][   T10] 
[ 1438.624509][ T7500] br0: port 1(vx0) entered blocking state
[ 1438.624777][ T7500] br0: port 1(vx0) entered disabled state
[ 1438.624949][ T7500] vx0: entered allmulticast mode
[ 1438.626128][ T7500] vx0: entered promiscuous mode
[ 1438.628013][ T7500] br0: port 1(vx0) entered blocking state
[ 1438.628181][ T7500] br0: port 1(vx0) entered forwarding state
[ 1442.732214][ T7532] veth0: renamed from veth1
[ 1443.888757][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1443.889146][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.889146][   T10]      dst_init+0x84/0x4a0
[ 1443.889146][   T10]      dst_alloc+0x97/0x150
[ 1443.889146][   T10]      ip6_dst_alloc+0x23/0x90
[ 1443.889146][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1443.889146][   T10]      ip6_pol_route+0x56f/0x840
[ 1443.889146][   T10]      fib6_rule_lookup+0x456/0x630
[ 1443.889146][   T10]      ip6_route_input+0x59c/0xa50
[ 1443.889146][   T10]      ipv6_rcv+0x397/0x810
[ 1443.889146][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1443.889146][   T10]      process_backlog+0x101/0x620
[ 1443.889146][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1443.889146][   T10]      net_rx_action+0x495/0xbe0
[ 1443.889146][   T10]      __do_softirq+0x1b5/0x7f6
[ 1443.889146][   T10] 
[ 1443.891008][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.891008][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1443.891008][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1443.891008][   T10]      fib6_nh_init+0xa22/0x1580
[ 1443.891008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.891008][   T10]      ip6_route_add+0x1c/0x140
[ 1443.891008][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1443.891008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.891008][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.891008][   T10]      netlink_unicast+0x449/0x710
[ 1443.891008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.891008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.891008][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.891008][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.891008][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.891008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.891008][   T10] 
[ 1443.893140][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.893140][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.893140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.893140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.893140][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1443.893140][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1443.893140][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1443.893140][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1443.893140][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1443.893140][   T10]      addrconf_dad_begin+0x310/0x670
[ 1443.893140][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1443.893140][   T10]      process_one_work+0x84d/0x18a0
[ 1443.893140][   T10]      worker_thread+0x587/0xd30
[ 1443.893140][   T10]      kthread+0x28a/0x350
[ 1443.893140][   T10]      ret_from_fork+0x31/0x70
[ 1443.893140][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1443.893140][   T10] 
[ 1443.895351][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.895351][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.895351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.895351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.895351][   T10]      ip6_route_add+0x1c/0x140
[ 1443.895351][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1443.895351][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1443.895351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.895351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.895351][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.895351][   T10]      netlink_unicast+0x449/0x710
[ 1443.895351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.895351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.895351][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.895351][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.895351][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.895351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.895351][   T10] 
[ 1443.897629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.897629][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.897629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.897629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.897629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1443.897629][   T10]      ipv6_add_addr+0x411/0x2000
[ 1443.897629][   T10]      inet6_addr_add+0x30e/0xa40
[ 1443.897629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.897629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.897629][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.897629][   T10]      netlink_unicast+0x449/0x710
[ 1443.897629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.897629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.897629][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.897629][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.897629][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.897629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.897629][   T10] 
[ 1443.899898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.899898][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.899898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.899898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.899898][   T10]      ip6_route_add+0x1c/0x140
[ 1443.899898][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1443.899898][   T10]      addrconf_add_dev+0xe2/0x170
[ 1443.899898][   T10]      inet6_addr_add+0x12f/0xa40
[ 1443.899898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.899898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.899898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.899898][   T10]      netlink_unicast+0x449/0x710
[ 1443.899898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.899898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.899898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.899898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.899898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.899898][   T10] 
[ 1443.902077][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.902077][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1443.902077][   T10]      ipv6_find_idev+0x102/0x170
[ 1443.902077][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1443.902077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.902077][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.902077][   T10]      netlink_unicast+0x449/0x710
[ 1443.902077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.902077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.902077][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.902077][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.902077][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.902077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.902077][   T10] 
[ 1443.903794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1443.903794][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1443.903794][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1443.903794][   T10]      ipv6_find_idev+0x102/0x170
[ 1443.903794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1443.903794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.903794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.903794][   T10]      netlink_unicast+0x449/0x710
[ 1443.903794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.903794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.903794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.903794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.903794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.903794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.903794][   T10] 
[ 1443.905664][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1443.905929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.905929][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1443.905929][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1443.905929][   T10]      fib6_nh_init+0xa22/0x1580
[ 1443.905929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.905929][   T10]      ip6_route_add+0x1c/0x140
[ 1443.905929][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1443.905929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.905929][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.905929][   T10]      netlink_unicast+0x449/0x710
[ 1443.905929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.905929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.905929][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.905929][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.905929][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.905929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.905929][   T10] 
[ 1443.908072][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.908072][   T10]      dst_init+0x84/0x4a0
[ 1443.908072][   T10]      dst_alloc+0x97/0x150
[ 1443.908072][   T10]      ip6_dst_alloc+0x23/0x90
[ 1443.908072][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1443.908072][   T10]      ip6_pol_route+0x56f/0x840
[ 1443.908072][   T10]      fib6_rule_lookup+0x456/0x630
[ 1443.908072][   T10]      ip6_route_input+0x59c/0xa50
[ 1443.908072][   T10]      ipv6_rcv+0x397/0x810
[ 1443.908072][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1443.908072][   T10]      process_backlog+0x101/0x620
[ 1443.908072][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1443.908072][   T10]      net_rx_action+0x495/0xbe0
[ 1443.908072][   T10]      __do_softirq+0x1b5/0x7f6
[ 1443.908072][   T10] 
[ 1443.910125][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.910125][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.910125][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.910125][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.910125][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1443.910125][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1443.910125][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1443.910125][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1443.910125][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1443.910125][   T10]      addrconf_dad_begin+0x310/0x670
[ 1443.910125][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1443.910125][   T10]      process_one_work+0x84d/0x18a0
[ 1443.910125][   T10]      worker_thread+0x587/0xd30
[ 1443.910125][   T10]      kthread+0x28a/0x350
[ 1443.910125][   T10]      ret_from_fork+0x31/0x70
[ 1443.910125][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1443.910125][   T10] 
[ 1443.912474][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.912474][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.912474][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.912474][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.912474][   T10]      ip6_route_add+0x1c/0x140
[ 1443.912474][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1443.912474][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1443.912474][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.912474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.912474][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.912474][   T10]      netlink_unicast+0x449/0x710
[ 1443.912474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.912474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.912474][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.912474][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.912474][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.912474][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.912474][   T10] 
[ 1443.914987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.914987][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.914987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.914987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.914987][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1443.914987][   T10]      ipv6_add_addr+0x411/0x2000
[ 1443.914987][   T10]      inet6_addr_add+0x30e/0xa40
[ 1443.914987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.914987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.914987][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.914987][   T10]      netlink_unicast+0x449/0x710
[ 1443.914987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.914987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.914987][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.914987][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.914987][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.914987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.914987][   T10] 
[ 1443.917489][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.917489][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.917489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.917489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.917489][   T10]      ip6_route_add+0x1c/0x140
[ 1443.917489][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1443.917489][   T10]      addrconf_add_dev+0xe2/0x170
[ 1443.917489][   T10]      inet6_addr_add+0x12f/0xa40
[ 1443.917489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.917489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.917489][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.917489][   T10]      netlink_unicast+0x449/0x710
[ 1443.917489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.917489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.917489][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.917489][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.917489][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.917489][   T10] 
[ 1443.919990][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.919990][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1443.919990][   T10]      ipv6_find_idev+0x102/0x170
[ 1443.919990][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1443.919990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.919990][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.919990][   T10]      netlink_unicast+0x449/0x710
[ 1443.919990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.919990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.919990][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.919990][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.919990][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.919990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.919990][   T10] 
[ 1443.921744][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1443.921744][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1443.921744][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1443.921744][   T10]      ipv6_find_idev+0x102/0x170
[ 1443.921744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1443.921744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.921744][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.921744][   T10]      netlink_unicast+0x449/0x710
[ 1443.921744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.921744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.921744][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.921744][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.921744][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.921744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.921744][   T10] 
[ 1443.923637][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1443.923958][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1443.923958][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.923958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.923958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.923958][   T10]      ip6_route_add+0x1c/0x140
[ 1443.923958][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1443.923958][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1443.923958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.923958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.923958][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.923958][   T10]      netlink_unicast+0x449/0x710
[ 1443.923958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.923958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.923958][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.923958][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.923958][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.923958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.923958][   T10] 
[ 1443.926362][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1443.926362][   T10]      netdev_get_by_index+0x5e/0x80
[ 1443.926362][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1443.926362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1443.926362][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1443.926362][   T10]      ipv6_add_addr+0x411/0x2000
[ 1443.926362][   T10]      inet6_addr_add+0x30e/0xa40
[ 1443.926362][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1443.926362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.926362][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.926362][   T10]      netlink_unicast+0x449/0x710
[ 1443.926362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.926362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.926362][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.926362][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.926362][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.926362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.926362][   T10] 
[ 1443.928597][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1443.928597][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1443.928597][   T10]      ipv6_find_idev+0x102/0x170
[ 1443.928597][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1443.928597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.928597][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.928597][   T10]      netlink_unicast+0x449/0x710
[ 1443.928597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.928597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.928597][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.928597][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.928597][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.928597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.928597][   T10] 
[ 1443.930609][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1443.930609][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1443.930609][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1443.930609][   T10]      ipv6_find_idev+0x102/0x170
[ 1443.930609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1443.930609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1443.930609][   T10]      netlink_rcv_skb+0x130/0x360
[ 1443.930609][   T10]      netlink_unicast+0x449/0x710
[ 1443.930609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1443.930609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1443.930609][   T10]      ___sys_sendmsg+0xee/0x170
[ 1443.930609][   T10]      __sys_sendmsg+0xcd/0x170
[ 1443.930609][   T10]      do_syscall_64+0xc6/0x1e0
[ 1443.930609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1443.930609][   T10] 
[ 1446.648836][ T7559] br0: port 1(vx0) entered blocking state
[ 1446.649049][ T7559] br0: port 1(vx0) entered disabled state
[ 1446.649226][ T7559] vx0: entered allmulticast mode
[ 1446.650400][ T7559] vx0: entered promiscuous mode
[ 1446.652264][ T7559] br0: port 1(vx0) entered blocking state
[ 1446.652437][ T7559] br0: port 1(vx0) entered forwarding state
[ 1452.011792][ T7589] br0: port 1(vx0) entered blocking state
[ 1452.012048][ T7589] br0: port 1(vx0) entered disabled state
[ 1452.012225][ T7589] vx0: entered allmulticast mode
[ 1452.013456][ T7589] vx0: entered promiscuous mode
[ 1452.015322][ T7589] br0: port 1(vx0) entered blocking state
[ 1452.015488][ T7589] br0: port 1(vx0) entered forwarding state
[ 1454.104714][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1454.105053][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.105053][   T10]      dst_init+0x84/0x4a0
[ 1454.105053][   T10]      dst_alloc+0x97/0x150
[ 1454.105053][   T10]      ip6_dst_alloc+0x23/0x90
[ 1454.105053][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1454.105053][   T10]      ip6_pol_route+0x56f/0x840
[ 1454.105053][   T10]      fib6_rule_lookup+0x456/0x630
[ 1454.105053][   T10]      ip6_route_input+0x59c/0xa50
[ 1454.105053][   T10]      ipv6_rcv+0x397/0x810
[ 1454.105053][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1454.105053][   T10]      process_backlog+0x101/0x620
[ 1454.105053][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1454.105053][   T10]      net_rx_action+0x495/0xbe0
[ 1454.105053][   T10]      __do_softirq+0x1b5/0x7f6
[ 1454.105053][   T10] 
[ 1454.106813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.106813][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1454.106813][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1454.106813][   T10]      fib6_nh_init+0xa22/0x1580
[ 1454.106813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.106813][   T10]      ip6_route_add+0x1c/0x140
[ 1454.106813][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1454.106813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.106813][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.106813][   T10]      netlink_unicast+0x449/0x710
[ 1454.106813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.106813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.106813][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.106813][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.106813][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.106813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.106813][   T10] 
[ 1454.108811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.108811][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.108811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.108811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.108811][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1454.108811][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1454.108811][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1454.108811][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1454.108811][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1454.108811][   T10]      addrconf_dad_begin+0x310/0x670
[ 1454.108811][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1454.108811][   T10]      process_one_work+0x84d/0x18a0
[ 1454.108811][   T10]      worker_thread+0x587/0xd30
[ 1454.108811][   T10]      kthread+0x28a/0x350
[ 1454.108811][   T10]      ret_from_fork+0x31/0x70
[ 1454.108811][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1454.108811][   T10] 
[ 1454.110794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.110794][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.110794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.110794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.110794][   T10]      ip6_route_add+0x1c/0x140
[ 1454.110794][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1454.110794][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1454.110794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.110794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.110794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.110794][   T10]      netlink_unicast+0x449/0x710
[ 1454.110794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.110794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.110794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.110794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.110794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.110794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.110794][   T10] 
[ 1454.112874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.112874][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.112874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.112874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.112874][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1454.112874][   T10]      ipv6_add_addr+0x411/0x2000
[ 1454.112874][   T10]      inet6_addr_add+0x30e/0xa40
[ 1454.112874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.112874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.112874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.112874][   T10]      netlink_unicast+0x449/0x710
[ 1454.112874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.112874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.112874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.112874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.112874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.112874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.112874][   T10] 
[ 1454.114946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.114946][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.114946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.114946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.114946][   T10]      ip6_route_add+0x1c/0x140
[ 1454.114946][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1454.114946][   T10]      addrconf_add_dev+0xe2/0x170
[ 1454.114946][   T10]      inet6_addr_add+0x12f/0xa40
[ 1454.114946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.114946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.114946][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.114946][   T10]      netlink_unicast+0x449/0x710
[ 1454.114946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.114946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.114946][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.114946][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.114946][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.114946][   T10] 
[ 1454.116983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.116983][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1454.116983][   T10]      ipv6_find_idev+0x102/0x170
[ 1454.116983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1454.116983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.116983][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.116983][   T10]      netlink_unicast+0x449/0x710
[ 1454.116983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.116983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.116983][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.116983][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.116983][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.116983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.116983][   T10] 
[ 1454.118663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1454.118663][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1454.118663][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1454.118663][   T10]      ipv6_find_idev+0x102/0x170
[ 1454.118663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1454.118663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.118663][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.118663][   T10]      netlink_unicast+0x449/0x710
[ 1454.118663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.118663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.118663][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.118663][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.118663][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.118663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.118663][   T10] 
[ 1454.120599][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1454.120925][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.120925][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1454.120925][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1454.120925][   T10]      fib6_nh_init+0xa22/0x1580
[ 1454.120925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.120925][   T10]      ip6_route_add+0x1c/0x140
[ 1454.120925][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1454.120925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.120925][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.120925][   T10]      netlink_unicast+0x449/0x710
[ 1454.120925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.120925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.120925][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.120925][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.120925][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.120925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.120925][   T10] 
[ 1454.122947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.122947][   T10]      dst_init+0x84/0x4a0
[ 1454.122947][   T10]      dst_alloc+0x97/0x150
[ 1454.122947][   T10]      ip6_dst_alloc+0x23/0x90
[ 1454.122947][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1454.122947][   T10]      ip6_pol_route+0x56f/0x840
[ 1454.122947][   T10]      fib6_rule_lookup+0x456/0x630
[ 1454.122947][   T10]      ip6_route_input+0x59c/0xa50
[ 1454.122947][   T10]      ipv6_rcv+0x397/0x810
[ 1454.122947][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1454.122947][   T10]      process_backlog+0x101/0x620
[ 1454.122947][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1454.122947][   T10]      net_rx_action+0x495/0xbe0
[ 1454.122947][   T10]      __do_softirq+0x1b5/0x7f6
[ 1454.122947][   T10] 
[ 1454.124646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.124646][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.124646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.124646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.124646][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1454.124646][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1454.124646][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1454.124646][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1454.124646][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1454.124646][   T10]      addrconf_dad_begin+0x310/0x670
[ 1454.124646][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1454.124646][   T10]      process_one_work+0x84d/0x18a0
[ 1454.124646][   T10]      worker_thread+0x587/0xd30
[ 1454.124646][   T10]      kthread+0x28a/0x350
[ 1454.124646][   T10]      ret_from_fork+0x31/0x70
[ 1454.124646][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1454.124646][   T10] 
[ 1454.126639][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.126639][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.126639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.126639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.126639][   T10]      ip6_route_add+0x1c/0x140
[ 1454.126639][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1454.126639][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1454.126639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.126639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.126639][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.126639][   T10]      netlink_unicast+0x449/0x710
[ 1454.126639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.126639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.126639][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.126639][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.126639][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.126639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.126639][   T10] 
[ 1454.128868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.128868][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.128868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.128868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.128868][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1454.128868][   T10]      ipv6_add_addr+0x411/0x2000
[ 1454.128868][   T10]      inet6_addr_add+0x30e/0xa40
[ 1454.128868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.128868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.128868][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.128868][   T10]      netlink_unicast+0x449/0x710
[ 1454.128868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.128868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.128868][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.128868][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.128868][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.128868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.128868][   T10] 
[ 1454.131222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.131222][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.131222][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.131222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.131222][   T10]      ip6_route_add+0x1c/0x140
[ 1454.131222][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1454.131222][   T10]      addrconf_add_dev+0xe2/0x170
[ 1454.131222][   T10]      inet6_addr_add+0x12f/0xa40
[ 1454.131222][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.131222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.131222][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.131222][   T10]      netlink_unicast+0x449/0x710
[ 1454.131222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.131222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.131222][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.131222][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.131222][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.131222][   T10] 
[ 1454.133450][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.133450][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1454.133450][   T10]      ipv6_find_idev+0x102/0x170
[ 1454.133450][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1454.133450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.133450][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.133450][   T10]      netlink_unicast+0x449/0x710
[ 1454.133450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.133450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.133450][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.133450][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.133450][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.133450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.133450][   T10] 
[ 1454.135295][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1454.135295][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1454.135295][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1454.135295][   T10]      ipv6_find_idev+0x102/0x170
[ 1454.135295][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1454.135295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.135295][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.135295][   T10]      netlink_unicast+0x449/0x710
[ 1454.135295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.135295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.135295][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.135295][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.135295][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.135295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.135295][   T10] 
[ 1454.137258][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1454.137506][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1454.137506][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.137506][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.137506][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.137506][   T10]      ip6_route_add+0x1c/0x140
[ 1454.137506][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1454.137506][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1454.137506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.137506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.137506][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.137506][   T10]      netlink_unicast+0x449/0x710
[ 1454.137506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.137506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.137506][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.137506][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.137506][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.137506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.137506][   T10] 
[ 1454.139899][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1454.139899][   T10]      netdev_get_by_index+0x5e/0x80
[ 1454.139899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1454.139899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1454.139899][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1454.139899][   T10]      ipv6_add_addr+0x411/0x2000
[ 1454.139899][   T10]      inet6_addr_add+0x30e/0xa40
[ 1454.139899][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1454.139899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.139899][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.139899][   T10]      netlink_unicast+0x449/0x710
[ 1454.139899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.139899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.139899][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.139899][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.139899][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.139899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.139899][   T10] 
[ 1454.142091][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1454.142091][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1454.142091][   T10]      ipv6_find_idev+0x102/0x170
[ 1454.142091][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1454.142091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.142091][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.142091][   T10]      netlink_unicast+0x449/0x710
[ 1454.142091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.142091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.142091][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.142091][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.142091][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.142091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.142091][   T10] 
[ 1454.143879][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1454.143879][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1454.143879][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1454.143879][   T10]      ipv6_find_idev+0x102/0x170
[ 1454.143879][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1454.143879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1454.143879][   T10]      netlink_rcv_skb+0x130/0x360
[ 1454.143879][   T10]      netlink_unicast+0x449/0x710
[ 1454.143879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1454.143879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1454.143879][   T10]      ___sys_sendmsg+0xee/0x170
[ 1454.143879][   T10]      __sys_sendmsg+0xcd/0x170
[ 1454.143879][   T10]      do_syscall_64+0xc6/0x1e0
[ 1454.143879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1454.143879][   T10] 
[ 1460.775694][ T7622] GACT probability NOT on
[ 1464.400697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1464.401142][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.401142][   T10]      dst_init+0x84/0x4a0
[ 1464.401142][   T10]      dst_alloc+0x97/0x150
[ 1464.401142][   T10]      ip6_dst_alloc+0x23/0x90
[ 1464.401142][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1464.401142][   T10]      ip6_pol_route+0x56f/0x840
[ 1464.401142][   T10]      fib6_rule_lookup+0x456/0x630
[ 1464.401142][   T10]      ip6_route_input+0x59c/0xa50
[ 1464.401142][   T10]      ipv6_rcv+0x397/0x810
[ 1464.401142][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1464.401142][   T10]      process_backlog+0x101/0x620
[ 1464.401142][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1464.401142][   T10]      net_rx_action+0x495/0xbe0
[ 1464.401142][   T10]      __do_softirq+0x1b5/0x7f6
[ 1464.401142][   T10] 
[ 1464.402885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.402885][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1464.402885][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1464.402885][   T10]      fib6_nh_init+0xa22/0x1580
[ 1464.402885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.402885][   T10]      ip6_route_add+0x1c/0x140
[ 1464.402885][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1464.402885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.402885][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.402885][   T10]      netlink_unicast+0x449/0x710
[ 1464.402885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.402885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.402885][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.402885][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.402885][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.402885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.402885][   T10] 
[ 1464.404841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.404841][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.404841][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.404841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.404841][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1464.404841][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1464.404841][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1464.404841][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1464.404841][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1464.404841][   T10]      addrconf_dad_begin+0x310/0x670
[ 1464.404841][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1464.404841][   T10]      process_one_work+0x84d/0x18a0
[ 1464.404841][   T10]      worker_thread+0x587/0xd30
[ 1464.404841][   T10]      kthread+0x28a/0x350
[ 1464.404841][   T10]      ret_from_fork+0x31/0x70
[ 1464.404841][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1464.404841][   T10] 
[ 1464.406833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.406833][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.406833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.406833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.406833][   T10]      ip6_route_add+0x1c/0x140
[ 1464.406833][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1464.406833][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1464.406833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.406833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.406833][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.406833][   T10]      netlink_unicast+0x449/0x710
[ 1464.406833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.406833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.406833][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.406833][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.406833][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.406833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.406833][   T10] 
[ 1464.409024][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.409024][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.409024][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.409024][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.409024][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1464.409024][   T10]      ipv6_add_addr+0x411/0x2000
[ 1464.409024][   T10]      inet6_addr_add+0x30e/0xa40
[ 1464.409024][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.409024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.409024][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.409024][   T10]      netlink_unicast+0x449/0x710
[ 1464.409024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.409024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.409024][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.409024][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.409024][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.409024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.409024][   T10] 
[ 1464.411098][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.411098][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.411098][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.411098][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.411098][   T10]      ip6_route_add+0x1c/0x140
[ 1464.411098][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1464.411098][   T10]      addrconf_add_dev+0xe2/0x170
[ 1464.411098][   T10]      inet6_addr_add+0x12f/0xa40
[ 1464.411098][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.411098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.411098][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.411098][   T10]      netlink_unicast+0x449/0x710
[ 1464.411098][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.411098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.411098][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.411098][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.411098][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.411098][   T10] 
[ 1464.413127][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.413127][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1464.413127][   T10]      ipv6_find_idev+0x102/0x170
[ 1464.413127][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1464.413127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.413127][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.413127][   T10]      netlink_unicast+0x449/0x710
[ 1464.413127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.413127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.413127][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.413127][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.413127][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.413127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.413127][   T10] 
[ 1464.414722][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1464.414722][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1464.414722][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1464.414722][   T10]      ipv6_find_idev+0x102/0x170
[ 1464.414722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1464.414722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.414722][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.414722][   T10]      netlink_unicast+0x449/0x710
[ 1464.414722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.414722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.414722][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.414722][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.414722][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.414722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.414722][   T10] 
[ 1464.416483][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1464.416755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.416755][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1464.416755][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1464.416755][   T10]      fib6_nh_init+0xa22/0x1580
[ 1464.416755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.416755][   T10]      ip6_route_add+0x1c/0x140
[ 1464.416755][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1464.416755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.416755][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.416755][   T10]      netlink_unicast+0x449/0x710
[ 1464.416755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.416755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.416755][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.416755][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.416755][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.416755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.416755][   T10] 
[ 1464.418716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.418716][   T10]      dst_init+0x84/0x4a0
[ 1464.418716][   T10]      dst_alloc+0x97/0x150
[ 1464.418716][   T10]      ip6_dst_alloc+0x23/0x90
[ 1464.418716][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1464.418716][   T10]      ip6_pol_route+0x56f/0x840
[ 1464.418716][   T10]      fib6_rule_lookup+0x456/0x630
[ 1464.418716][   T10]      ip6_route_input+0x59c/0xa50
[ 1464.418716][   T10]      ipv6_rcv+0x397/0x810
[ 1464.418716][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1464.418716][   T10]      process_backlog+0x101/0x620
[ 1464.418716][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1464.418716][   T10]      net_rx_action+0x495/0xbe0
[ 1464.418716][   T10]      __do_softirq+0x1b5/0x7f6
[ 1464.418716][   T10] 
[ 1464.420409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.420409][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.420409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.420409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.420409][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1464.420409][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1464.420409][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1464.420409][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1464.420409][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1464.420409][   T10]      addrconf_dad_begin+0x310/0x670
[ 1464.420409][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1464.420409][   T10]      process_one_work+0x84d/0x18a0
[ 1464.420409][   T10]      worker_thread+0x587/0xd30
[ 1464.420409][   T10]      kthread+0x28a/0x350
[ 1464.420409][   T10]      ret_from_fork+0x31/0x70
[ 1464.420409][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1464.420409][   T10] 
[ 1464.422372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.422372][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.422372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.422372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.422372][   T10]      ip6_route_add+0x1c/0x140
[ 1464.422372][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1464.422372][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1464.422372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.422372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.422372][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.422372][   T10]      netlink_unicast+0x449/0x710
[ 1464.422372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.422372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.422372][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.422372][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.422372][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.422372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.422372][   T10] 
[ 1464.424413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.424413][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.424413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.424413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.424413][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1464.424413][   T10]      ipv6_add_addr+0x411/0x2000
[ 1464.424413][   T10]      inet6_addr_add+0x30e/0xa40
[ 1464.424413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.424413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.424413][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.424413][   T10]      netlink_unicast+0x449/0x710
[ 1464.424413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.424413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.424413][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.424413][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.424413][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.424413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.424413][   T10] 
[ 1464.426478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.426478][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.426478][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.426478][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.426478][   T10]      ip6_route_add+0x1c/0x140
[ 1464.426478][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1464.426478][   T10]      addrconf_add_dev+0xe2/0x170
[ 1464.426478][   T10]      inet6_addr_add+0x12f/0xa40
[ 1464.426478][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.426478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.426478][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.426478][   T10]      netlink_unicast+0x449/0x710
[ 1464.426478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.426478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.426478][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.426478][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.426478][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.426478][   T10] 
[ 1464.428584][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.428584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1464.428584][   T10]      ipv6_find_idev+0x102/0x170
[ 1464.428584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1464.428584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.428584][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.428584][   T10]      netlink_unicast+0x449/0x710
[ 1464.428584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.428584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.428584][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.428584][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.428584][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.428584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.428584][   T10] 
[ 1464.430434][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1464.430434][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1464.430434][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1464.430434][   T10]      ipv6_find_idev+0x102/0x170
[ 1464.430434][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1464.430434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.430434][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.430434][   T10]      netlink_unicast+0x449/0x710
[ 1464.430434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.430434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.430434][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.430434][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.430434][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.430434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.430434][   T10] 
[ 1464.432433][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1464.432754][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1464.432754][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.432754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.432754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.432754][   T10]      ip6_route_add+0x1c/0x140
[ 1464.432754][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1464.432754][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1464.432754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.432754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.432754][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.432754][   T10]      netlink_unicast+0x449/0x710
[ 1464.432754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.432754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.432754][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.432754][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.432754][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.432754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.432754][   T10] 
[ 1464.435011][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1464.435011][   T10]      netdev_get_by_index+0x5e/0x80
[ 1464.435011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1464.435011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1464.435011][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1464.435011][   T10]      ipv6_add_addr+0x411/0x2000
[ 1464.435011][   T10]      inet6_addr_add+0x30e/0xa40
[ 1464.435011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1464.435011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.435011][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.435011][   T10]      netlink_unicast+0x449/0x710
[ 1464.435011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.435011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.435011][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.435011][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.435011][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.435011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.435011][   T10] 
[ 1464.437333][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1464.437333][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1464.437333][   T10]      ipv6_find_idev+0x102/0x170
[ 1464.437333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1464.437333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.437333][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.437333][   T10]      netlink_unicast+0x449/0x710
[ 1464.437333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.437333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.437333][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.437333][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.437333][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.437333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.437333][   T10] 
[ 1464.439128][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1464.439128][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1464.439128][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1464.439128][   T10]      ipv6_find_idev+0x102/0x170
[ 1464.439128][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1464.439128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1464.439128][   T10]      netlink_rcv_skb+0x130/0x360
[ 1464.439128][   T10]      netlink_unicast+0x449/0x710
[ 1464.439128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1464.439128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1464.439128][   T10]      ___sys_sendmsg+0xee/0x170
[ 1464.439128][   T10]      __sys_sendmsg+0xcd/0x170
[ 1464.439128][   T10]      do_syscall_64+0xc6/0x1e0
[ 1464.439128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1464.439128][   T10] 
[ 1474.680770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1474.681248][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.681248][   T10]      dst_init+0x84/0x4a0
[ 1474.681248][   T10]      dst_alloc+0x97/0x150
[ 1474.681248][   T10]      ip6_dst_alloc+0x23/0x90
[ 1474.681248][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1474.681248][   T10]      ip6_pol_route+0x56f/0x840
[ 1474.681248][   T10]      fib6_rule_lookup+0x456/0x630
[ 1474.681248][   T10]      ip6_route_input+0x59c/0xa50
[ 1474.681248][   T10]      ipv6_rcv+0x397/0x810
[ 1474.681248][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1474.681248][   T10]      process_backlog+0x101/0x620
[ 1474.681248][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1474.681248][   T10]      net_rx_action+0x495/0xbe0
[ 1474.681248][   T10]      __do_softirq+0x1b5/0x7f6
[ 1474.681248][   T10] 
[ 1474.683055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.683055][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1474.683055][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1474.683055][   T10]      fib6_nh_init+0xa22/0x1580
[ 1474.683055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.683055][   T10]      ip6_route_add+0x1c/0x140
[ 1474.683055][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1474.683055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.683055][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.683055][   T10]      netlink_unicast+0x449/0x710
[ 1474.683055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.683055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.683055][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.683055][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.683055][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.683055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.683055][   T10] 
[ 1474.685016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.685016][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.685016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.685016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.685016][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1474.685016][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1474.685016][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1474.685016][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1474.685016][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1474.685016][   T10]      addrconf_dad_begin+0x310/0x670
[ 1474.685016][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1474.685016][   T10]      process_one_work+0x84d/0x18a0
[ 1474.685016][   T10]      worker_thread+0x587/0xd30
[ 1474.685016][   T10]      kthread+0x28a/0x350
[ 1474.685016][   T10]      ret_from_fork+0x31/0x70
[ 1474.685016][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1474.685016][   T10] 
[ 1474.686990][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.686990][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.686990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.686990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.686990][   T10]      ip6_route_add+0x1c/0x140
[ 1474.686990][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1474.686990][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1474.686990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.686990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.686990][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.686990][   T10]      netlink_unicast+0x449/0x710
[ 1474.686990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.686990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.686990][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.686990][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.686990][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.686990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.686990][   T10] 
[ 1474.689063][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.689063][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.689063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.689063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.689063][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1474.689063][   T10]      ipv6_add_addr+0x411/0x2000
[ 1474.689063][   T10]      inet6_addr_add+0x30e/0xa40
[ 1474.689063][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.689063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.689063][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.689063][   T10]      netlink_unicast+0x449/0x710
[ 1474.689063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.689063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.689063][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.689063][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.689063][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.689063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.689063][   T10] 
[ 1474.691116][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.691116][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.691116][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.691116][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.691116][   T10]      ip6_route_add+0x1c/0x140
[ 1474.691116][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1474.691116][   T10]      addrconf_add_dev+0xe2/0x170
[ 1474.691116][   T10]      inet6_addr_add+0x12f/0xa40
[ 1474.691116][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.691116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.691116][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.691116][   T10]      netlink_unicast+0x449/0x710
[ 1474.691116][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.691116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.691116][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.691116][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.691116][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.691116][   T10] 
[ 1474.693158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.693158][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1474.693158][   T10]      ipv6_find_idev+0x102/0x170
[ 1474.693158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1474.693158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.693158][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.693158][   T10]      netlink_unicast+0x449/0x710
[ 1474.693158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.693158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.693158][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.693158][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.693158][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.693158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.693158][   T10] 
[ 1474.694727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1474.694727][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1474.694727][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1474.694727][   T10]      ipv6_find_idev+0x102/0x170
[ 1474.694727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1474.694727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.694727][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.694727][   T10]      netlink_unicast+0x449/0x710
[ 1474.694727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.694727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.694727][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.694727][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.694727][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.694727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.694727][   T10] 
[ 1474.696492][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1474.696763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.696763][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1474.696763][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1474.696763][   T10]      fib6_nh_init+0xa22/0x1580
[ 1474.696763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.696763][   T10]      ip6_route_add+0x1c/0x140
[ 1474.696763][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1474.696763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.696763][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.696763][   T10]      netlink_unicast+0x449/0x710
[ 1474.696763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.696763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.696763][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.696763][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.696763][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.696763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.696763][   T10] 
[ 1474.698703][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.698703][   T10]      dst_init+0x84/0x4a0
[ 1474.698703][   T10]      dst_alloc+0x97/0x150
[ 1474.698703][   T10]      ip6_dst_alloc+0x23/0x90
[ 1474.698703][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1474.698703][   T10]      ip6_pol_route+0x56f/0x840
[ 1474.698703][   T10]      fib6_rule_lookup+0x456/0x630
[ 1474.698703][   T10]      ip6_route_input+0x59c/0xa50
[ 1474.698703][   T10]      ipv6_rcv+0x397/0x810
[ 1474.698703][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1474.698703][   T10]      process_backlog+0x101/0x620
[ 1474.698703][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1474.698703][   T10]      net_rx_action+0x495/0xbe0
[ 1474.698703][   T10]      __do_softirq+0x1b5/0x7f6
[ 1474.698703][   T10] 
[ 1474.700390][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.700390][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.700390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.700390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.700390][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1474.700390][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1474.700390][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1474.700390][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1474.700390][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1474.700390][   T10]      addrconf_dad_begin+0x310/0x670
[ 1474.700390][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1474.700390][   T10]      process_one_work+0x84d/0x18a0
[ 1474.700390][   T10]      worker_thread+0x587/0xd30
[ 1474.700390][   T10]      kthread+0x28a/0x350
[ 1474.700390][   T10]      ret_from_fork+0x31/0x70
[ 1474.700390][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1474.700390][   T10] 
[ 1474.702346][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.702346][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.702346][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.702346][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.702346][   T10]      ip6_route_add+0x1c/0x140
[ 1474.702346][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1474.702346][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1474.702346][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.702346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.702346][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.702346][   T10]      netlink_unicast+0x449/0x710
[ 1474.702346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.702346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.702346][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.702346][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.702346][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.702346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.702346][   T10] 
[ 1474.704406][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.704406][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.704406][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.704406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.704406][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1474.704406][   T10]      ipv6_add_addr+0x411/0x2000
[ 1474.704406][   T10]      inet6_addr_add+0x30e/0xa40
[ 1474.704406][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.704406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.704406][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.704406][   T10]      netlink_unicast+0x449/0x710
[ 1474.704406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.704406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.704406][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.704406][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.704406][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.704406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.704406][   T10] 
[ 1474.706457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.706457][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.706457][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.706457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.706457][   T10]      ip6_route_add+0x1c/0x140
[ 1474.706457][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1474.706457][   T10]      addrconf_add_dev+0xe2/0x170
[ 1474.706457][   T10]      inet6_addr_add+0x12f/0xa40
[ 1474.706457][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.706457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.706457][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.706457][   T10]      netlink_unicast+0x449/0x710
[ 1474.706457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.706457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.706457][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.706457][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.706457][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.706457][   T10] 
[ 1474.708720][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.708720][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1474.708720][   T10]      ipv6_find_idev+0x102/0x170
[ 1474.708720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1474.708720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.708720][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.708720][   T10]      netlink_unicast+0x449/0x710
[ 1474.708720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.708720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.708720][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.708720][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.708720][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.708720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.708720][   T10] 
[ 1474.710482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1474.710482][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1474.710482][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1474.710482][   T10]      ipv6_find_idev+0x102/0x170
[ 1474.710482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1474.710482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.710482][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.710482][   T10]      netlink_unicast+0x449/0x710
[ 1474.710482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.710482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.710482][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.710482][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.710482][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.710482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.710482][   T10] 
[ 1474.712483][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1474.712747][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1474.712747][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.712747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.712747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.712747][   T10]      ip6_route_add+0x1c/0x140
[ 1474.712747][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1474.712747][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1474.712747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.712747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.712747][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.712747][   T10]      netlink_unicast+0x449/0x710
[ 1474.712747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.712747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.712747][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.712747][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.712747][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.712747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.712747][   T10] 
[ 1474.715089][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1474.715089][   T10]      netdev_get_by_index+0x5e/0x80
[ 1474.715089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1474.715089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1474.715089][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1474.715089][   T10]      ipv6_add_addr+0x411/0x2000
[ 1474.715089][   T10]      inet6_addr_add+0x30e/0xa40
[ 1474.715089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1474.715089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.715089][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.715089][   T10]      netlink_unicast+0x449/0x710
[ 1474.715089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.715089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.715089][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.715089][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.715089][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.715089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.715089][   T10] 
[ 1474.717395][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1474.717395][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1474.717395][   T10]      ipv6_find_idev+0x102/0x170
[ 1474.717395][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1474.717395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.717395][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.717395][   T10]      netlink_unicast+0x449/0x710
[ 1474.717395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.717395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.717395][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.717395][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.717395][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.717395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.717395][   T10] 
[ 1474.719214][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1474.719214][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1474.719214][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1474.719214][   T10]      ipv6_find_idev+0x102/0x170
[ 1474.719214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1474.719214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1474.719214][   T10]      netlink_rcv_skb+0x130/0x360
[ 1474.719214][   T10]      netlink_unicast+0x449/0x710
[ 1474.719214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1474.719214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1474.719214][   T10]      ___sys_sendmsg+0xee/0x170
[ 1474.719214][   T10]      __sys_sendmsg+0xcd/0x170
[ 1474.719214][   T10]      do_syscall_64+0xc6/0x1e0
[ 1474.719214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1474.719214][   T10] 
[ 1484.960702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1484.961188][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.961188][   T10]      dst_init+0x84/0x4a0
[ 1484.961188][   T10]      dst_alloc+0x97/0x150
[ 1484.961188][   T10]      ip6_dst_alloc+0x23/0x90
[ 1484.961188][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1484.961188][   T10]      ip6_pol_route+0x56f/0x840
[ 1484.961188][   T10]      fib6_rule_lookup+0x456/0x630
[ 1484.961188][   T10]      ip6_route_input+0x59c/0xa50
[ 1484.961188][   T10]      ipv6_rcv+0x397/0x810
[ 1484.961188][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1484.961188][   T10]      process_backlog+0x101/0x620
[ 1484.961188][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1484.961188][   T10]      net_rx_action+0x495/0xbe0
[ 1484.961188][   T10]      __do_softirq+0x1b5/0x7f6
[ 1484.961188][   T10] 
[ 1484.962929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.962929][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1484.962929][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1484.962929][   T10]      fib6_nh_init+0xa22/0x1580
[ 1484.962929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.962929][   T10]      ip6_route_add+0x1c/0x140
[ 1484.962929][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1484.962929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.962929][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.962929][   T10]      netlink_unicast+0x449/0x710
[ 1484.962929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.962929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.962929][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.962929][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.962929][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.962929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.962929][   T10] 
[ 1484.964891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.964891][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.964891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.964891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.964891][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1484.964891][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1484.964891][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1484.964891][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1484.964891][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1484.964891][   T10]      addrconf_dad_begin+0x310/0x670
[ 1484.964891][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1484.964891][   T10]      process_one_work+0x84d/0x18a0
[ 1484.964891][   T10]      worker_thread+0x587/0xd30
[ 1484.964891][   T10]      kthread+0x28a/0x350
[ 1484.964891][   T10]      ret_from_fork+0x31/0x70
[ 1484.964891][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1484.964891][   T10] 
[ 1484.966876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.966876][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.966876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.966876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.966876][   T10]      ip6_route_add+0x1c/0x140
[ 1484.966876][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1484.966876][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1484.966876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.966876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.966876][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.966876][   T10]      netlink_unicast+0x449/0x710
[ 1484.966876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.966876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.966876][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.966876][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.966876][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.966876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.966876][   T10] 
[ 1484.968950][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.968950][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.968950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.968950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.968950][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1484.968950][   T10]      ipv6_add_addr+0x411/0x2000
[ 1484.968950][   T10]      inet6_addr_add+0x30e/0xa40
[ 1484.968950][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.968950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.968950][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.968950][   T10]      netlink_unicast+0x449/0x710
[ 1484.968950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.968950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.968950][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.968950][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.968950][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.968950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.968950][   T10] 
[ 1484.971001][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.971001][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.971001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.971001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.971001][   T10]      ip6_route_add+0x1c/0x140
[ 1484.971001][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1484.971001][   T10]      addrconf_add_dev+0xe2/0x170
[ 1484.971001][   T10]      inet6_addr_add+0x12f/0xa40
[ 1484.971001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.971001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.971001][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.971001][   T10]      netlink_unicast+0x449/0x710
[ 1484.971001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.971001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.971001][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.971001][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.971001][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.971001][   T10] 
[ 1484.973024][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.973024][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1484.973024][   T10]      ipv6_find_idev+0x102/0x170
[ 1484.973024][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1484.973024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.973024][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.973024][   T10]      netlink_unicast+0x449/0x710
[ 1484.973024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.973024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.973024][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.973024][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.973024][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.973024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.973024][   T10] 
[ 1484.974640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1484.974640][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1484.974640][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1484.974640][   T10]      ipv6_find_idev+0x102/0x170
[ 1484.974640][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1484.974640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.974640][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.974640][   T10]      netlink_unicast+0x449/0x710
[ 1484.974640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.974640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.974640][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.974640][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.974640][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.974640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.974640][   T10] 
[ 1484.976422][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1484.976690][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.976690][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1484.976690][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1484.976690][   T10]      fib6_nh_init+0xa22/0x1580
[ 1484.976690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.976690][   T10]      ip6_route_add+0x1c/0x140
[ 1484.976690][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1484.976690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.976690][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.976690][   T10]      netlink_unicast+0x449/0x710
[ 1484.976690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.976690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.976690][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.976690][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.976690][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.976690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.976690][   T10] 
[ 1484.978666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.978666][   T10]      dst_init+0x84/0x4a0
[ 1484.978666][   T10]      dst_alloc+0x97/0x150
[ 1484.978666][   T10]      ip6_dst_alloc+0x23/0x90
[ 1484.978666][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1484.978666][   T10]      ip6_pol_route+0x56f/0x840
[ 1484.978666][   T10]      fib6_rule_lookup+0x456/0x630
[ 1484.978666][   T10]      ip6_route_input+0x59c/0xa50
[ 1484.978666][   T10]      ipv6_rcv+0x397/0x810
[ 1484.978666][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1484.978666][   T10]      process_backlog+0x101/0x620
[ 1484.978666][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1484.978666][   T10]      net_rx_action+0x495/0xbe0
[ 1484.978666][   T10]      __do_softirq+0x1b5/0x7f6
[ 1484.978666][   T10] 
[ 1484.980372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.980372][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.980372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.980372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.980372][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1484.980372][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1484.980372][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1484.980372][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1484.980372][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1484.980372][   T10]      addrconf_dad_begin+0x310/0x670
[ 1484.980372][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1484.980372][   T10]      process_one_work+0x84d/0x18a0
[ 1484.980372][   T10]      worker_thread+0x587/0xd30
[ 1484.980372][   T10]      kthread+0x28a/0x350
[ 1484.980372][   T10]      ret_from_fork+0x31/0x70
[ 1484.980372][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1484.980372][   T10] 
[ 1484.982339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.982339][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.982339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.982339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.982339][   T10]      ip6_route_add+0x1c/0x140
[ 1484.982339][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1484.982339][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1484.982339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.982339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.982339][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.982339][   T10]      netlink_unicast+0x449/0x710
[ 1484.982339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.982339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.982339][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.982339][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.982339][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.982339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.982339][   T10] 
[ 1484.984412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.984412][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.984412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.984412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.984412][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1484.984412][   T10]      ipv6_add_addr+0x411/0x2000
[ 1484.984412][   T10]      inet6_addr_add+0x30e/0xa40
[ 1484.984412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.984412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.984412][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.984412][   T10]      netlink_unicast+0x449/0x710
[ 1484.984412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.984412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.984412][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.984412][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.984412][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.984412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.984412][   T10] 
[ 1484.986465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.986465][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.986465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.986465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.986465][   T10]      ip6_route_add+0x1c/0x140
[ 1484.986465][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1484.986465][   T10]      addrconf_add_dev+0xe2/0x170
[ 1484.986465][   T10]      inet6_addr_add+0x12f/0xa40
[ 1484.986465][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.986465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.986465][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.986465][   T10]      netlink_unicast+0x449/0x710
[ 1484.986465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.986465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.986465][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.986465][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.986465][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.986465][   T10] 
[ 1484.988685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.988685][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1484.988685][   T10]      ipv6_find_idev+0x102/0x170
[ 1484.988685][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1484.988685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.988685][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.988685][   T10]      netlink_unicast+0x449/0x710
[ 1484.988685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.988685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.988685][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.988685][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.988685][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.988685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.988685][   T10] 
[ 1484.990514][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1484.990514][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1484.990514][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1484.990514][   T10]      ipv6_find_idev+0x102/0x170
[ 1484.990514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1484.990514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.990514][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.990514][   T10]      netlink_unicast+0x449/0x710
[ 1484.990514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.990514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.990514][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.990514][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.990514][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.990514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.990514][   T10] 
[ 1484.992483][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1484.992764][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1484.992764][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.992764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.992764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.992764][   T10]      ip6_route_add+0x1c/0x140
[ 1484.992764][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1484.992764][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1484.992764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.992764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.992764][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.992764][   T10]      netlink_unicast+0x449/0x710
[ 1484.992764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.992764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.992764][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.992764][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.992764][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.992764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.992764][   T10] 
[ 1484.995077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1484.995077][   T10]      netdev_get_by_index+0x5e/0x80
[ 1484.995077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1484.995077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1484.995077][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1484.995077][   T10]      ipv6_add_addr+0x411/0x2000
[ 1484.995077][   T10]      inet6_addr_add+0x30e/0xa40
[ 1484.995077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1484.995077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.995077][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.995077][   T10]      netlink_unicast+0x449/0x710
[ 1484.995077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.995077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.995077][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.995077][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.995077][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.995077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.995077][   T10] 
[ 1484.997394][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1484.997394][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1484.997394][   T10]      ipv6_find_idev+0x102/0x170
[ 1484.997394][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1484.997394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.997394][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.997394][   T10]      netlink_unicast+0x449/0x710
[ 1484.997394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.997394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.997394][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.997394][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.997394][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.997394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.997394][   T10] 
[ 1484.999242][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1484.999242][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1484.999242][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1484.999242][   T10]      ipv6_find_idev+0x102/0x170
[ 1484.999242][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1484.999242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1484.999242][   T10]      netlink_rcv_skb+0x130/0x360
[ 1484.999242][   T10]      netlink_unicast+0x449/0x710
[ 1484.999242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1484.999242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1484.999242][   T10]      ___sys_sendmsg+0xee/0x170
[ 1484.999242][   T10]      __sys_sendmsg+0xcd/0x170
[ 1484.999242][   T10]      do_syscall_64+0xc6/0x1e0
[ 1484.999242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1484.999242][   T10] 
[ 1495.240639][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1495.241122][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.241122][   T10]      dst_init+0x84/0x4a0
[ 1495.241122][   T10]      dst_alloc+0x97/0x150
[ 1495.241122][   T10]      ip6_dst_alloc+0x23/0x90
[ 1495.241122][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1495.241122][   T10]      ip6_pol_route+0x56f/0x840
[ 1495.241122][   T10]      fib6_rule_lookup+0x456/0x630
[ 1495.241122][   T10]      ip6_route_input+0x59c/0xa50
[ 1495.241122][   T10]      ipv6_rcv+0x397/0x810
[ 1495.241122][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1495.241122][   T10]      process_backlog+0x101/0x620
[ 1495.241122][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1495.241122][   T10]      net_rx_action+0x495/0xbe0
[ 1495.241122][   T10]      __do_softirq+0x1b5/0x7f6
[ 1495.241122][   T10] 
[ 1495.242868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.242868][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1495.242868][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1495.242868][   T10]      fib6_nh_init+0xa22/0x1580
[ 1495.242868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.242868][   T10]      ip6_route_add+0x1c/0x140
[ 1495.242868][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1495.242868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.242868][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.242868][   T10]      netlink_unicast+0x449/0x710
[ 1495.242868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.242868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.242868][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.242868][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.242868][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.242868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.242868][   T10] 
[ 1495.244844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.244844][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.244844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.244844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.244844][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1495.244844][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1495.244844][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1495.244844][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1495.244844][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1495.244844][   T10]      addrconf_dad_begin+0x310/0x670
[ 1495.244844][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1495.244844][   T10]      process_one_work+0x84d/0x18a0
[ 1495.244844][   T10]      worker_thread+0x587/0xd30
[ 1495.244844][   T10]      kthread+0x28a/0x350
[ 1495.244844][   T10]      ret_from_fork+0x31/0x70
[ 1495.244844][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1495.244844][   T10] 
[ 1495.246837][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.246837][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.246837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.246837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.246837][   T10]      ip6_route_add+0x1c/0x140
[ 1495.246837][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1495.246837][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1495.246837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.246837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.246837][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.246837][   T10]      netlink_unicast+0x449/0x710
[ 1495.246837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.246837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.246837][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.246837][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.246837][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.246837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.246837][   T10] 
[ 1495.248955][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.248955][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.248955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.248955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.248955][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1495.248955][   T10]      ipv6_add_addr+0x411/0x2000
[ 1495.248955][   T10]      inet6_addr_add+0x30e/0xa40
[ 1495.248955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.248955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.248955][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.248955][   T10]      netlink_unicast+0x449/0x710
[ 1495.248955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.248955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.248955][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.248955][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.248955][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.248955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.248955][   T10] 
[ 1495.251046][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.251046][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.251046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.251046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.251046][   T10]      ip6_route_add+0x1c/0x140
[ 1495.251046][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1495.251046][   T10]      addrconf_add_dev+0xe2/0x170
[ 1495.251046][   T10]      inet6_addr_add+0x12f/0xa40
[ 1495.251046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.251046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.251046][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.251046][   T10]      netlink_unicast+0x449/0x710
[ 1495.251046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.251046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.251046][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.251046][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.251046][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.251046][   T10] 
[ 1495.253097][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.253097][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1495.253097][   T10]      ipv6_find_idev+0x102/0x170
[ 1495.253097][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1495.253097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.253097][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.253097][   T10]      netlink_unicast+0x449/0x710
[ 1495.253097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.253097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.253097][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.253097][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.253097][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.253097][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.253097][   T10] 
[ 1495.254708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1495.254708][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1495.254708][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1495.254708][   T10]      ipv6_find_idev+0x102/0x170
[ 1495.254708][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1495.254708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.254708][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.254708][   T10]      netlink_unicast+0x449/0x710
[ 1495.254708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.254708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.254708][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.254708][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.254708][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.254708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.254708][   T10] 
[ 1495.256499][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1495.256775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.256775][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1495.256775][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1495.256775][   T10]      fib6_nh_init+0xa22/0x1580
[ 1495.256775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.256775][   T10]      ip6_route_add+0x1c/0x140
[ 1495.256775][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1495.256775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.256775][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.256775][   T10]      netlink_unicast+0x449/0x710
[ 1495.256775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.256775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.256775][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.256775][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.256775][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.256775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.256775][   T10] 
[ 1495.258737][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.258737][   T10]      dst_init+0x84/0x4a0
[ 1495.258737][   T10]      dst_alloc+0x97/0x150
[ 1495.258737][   T10]      ip6_dst_alloc+0x23/0x90
[ 1495.258737][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1495.258737][   T10]      ip6_pol_route+0x56f/0x840
[ 1495.258737][   T10]      fib6_rule_lookup+0x456/0x630
[ 1495.258737][   T10]      ip6_route_input+0x59c/0xa50
[ 1495.258737][   T10]      ipv6_rcv+0x397/0x810
[ 1495.258737][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1495.258737][   T10]      process_backlog+0x101/0x620
[ 1495.258737][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1495.258737][   T10]      net_rx_action+0x495/0xbe0
[ 1495.258737][   T10]      __do_softirq+0x1b5/0x7f6
[ 1495.258737][   T10] 
[ 1495.260416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.260416][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.260416][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.260416][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.260416][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1495.260416][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1495.260416][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1495.260416][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1495.260416][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1495.260416][   T10]      addrconf_dad_begin+0x310/0x670
[ 1495.260416][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1495.260416][   T10]      process_one_work+0x84d/0x18a0
[ 1495.260416][   T10]      worker_thread+0x587/0xd30
[ 1495.260416][   T10]      kthread+0x28a/0x350
[ 1495.260416][   T10]      ret_from_fork+0x31/0x70
[ 1495.260416][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1495.260416][   T10] 
[ 1495.262354][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.262354][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.262354][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.262354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.262354][   T10]      ip6_route_add+0x1c/0x140
[ 1495.262354][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1495.262354][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1495.262354][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.262354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.262354][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.262354][   T10]      netlink_unicast+0x449/0x710
[ 1495.262354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.262354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.262354][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.262354][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.262354][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.262354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.262354][   T10] 
[ 1495.264385][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.264385][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.264385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.264385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.264385][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1495.264385][   T10]      ipv6_add_addr+0x411/0x2000
[ 1495.264385][   T10]      inet6_addr_add+0x30e/0xa40
[ 1495.264385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.264385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.264385][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.264385][   T10]      netlink_unicast+0x449/0x710
[ 1495.264385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.264385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.264385][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.264385][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.264385][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.264385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.264385][   T10] 
[ 1495.266416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.266416][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.266416][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.266416][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.266416][   T10]      ip6_route_add+0x1c/0x140
[ 1495.266416][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1495.266416][   T10]      addrconf_add_dev+0xe2/0x170
[ 1495.266416][   T10]      inet6_addr_add+0x12f/0xa40
[ 1495.266416][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.266416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.266416][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.266416][   T10]      netlink_unicast+0x449/0x710
[ 1495.266416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.266416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.266416][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.266416][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.266416][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.266416][   T10] 
[ 1495.268491][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.268491][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1495.268491][   T10]      ipv6_find_idev+0x102/0x170
[ 1495.268491][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1495.268491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.268491][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.268491][   T10]      netlink_unicast+0x449/0x710
[ 1495.268491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.268491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.268491][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.268491][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.268491][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.268491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.268491][   T10] 
[ 1495.270127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1495.270127][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1495.270127][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1495.270127][   T10]      ipv6_find_idev+0x102/0x170
[ 1495.270127][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1495.270127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.270127][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.270127][   T10]      netlink_unicast+0x449/0x710
[ 1495.270127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.270127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.270127][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.270127][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.270127][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.270127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.270127][   T10] 
[ 1495.272016][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1495.272269][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1495.272269][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.272269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.272269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.272269][   T10]      ip6_route_add+0x1c/0x140
[ 1495.272269][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1495.272269][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1495.272269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.272269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.272269][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.272269][   T10]      netlink_unicast+0x449/0x710
[ 1495.272269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.272269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.272269][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.272269][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.272269][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.272269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.272269][   T10] 
[ 1495.274374][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1495.274374][   T10]      netdev_get_by_index+0x5e/0x80
[ 1495.274374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1495.274374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1495.274374][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1495.274374][   T10]      ipv6_add_addr+0x411/0x2000
[ 1495.274374][   T10]      inet6_addr_add+0x30e/0xa40
[ 1495.274374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1495.274374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.274374][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.274374][   T10]      netlink_unicast+0x449/0x710
[ 1495.274374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.274374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.274374][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.274374][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.274374][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.274374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.274374][   T10] 
[ 1495.276477][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1495.276477][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1495.276477][   T10]      ipv6_find_idev+0x102/0x170
[ 1495.276477][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1495.276477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.276477][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.276477][   T10]      netlink_unicast+0x449/0x710
[ 1495.276477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.276477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.276477][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.276477][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.276477][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.276477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.276477][   T10] 
[ 1495.278110][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1495.278110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1495.278110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1495.278110][   T10]      ipv6_find_idev+0x102/0x170
[ 1495.278110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1495.278110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1495.278110][   T10]      netlink_rcv_skb+0x130/0x360
[ 1495.278110][   T10]      netlink_unicast+0x449/0x710
[ 1495.278110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1495.278110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1495.278110][   T10]      ___sys_sendmsg+0xee/0x170
[ 1495.278110][   T10]      __sys_sendmsg+0xcd/0x170
[ 1495.278110][   T10]      do_syscall_64+0xc6/0x1e0
[ 1495.278110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1495.278110][   T10] 
[ 1505.520705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1505.521190][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.521190][   T10]      dst_init+0x84/0x4a0
[ 1505.521190][   T10]      dst_alloc+0x97/0x150
[ 1505.521190][   T10]      ip6_dst_alloc+0x23/0x90
[ 1505.521190][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1505.521190][   T10]      ip6_pol_route+0x56f/0x840
[ 1505.521190][   T10]      fib6_rule_lookup+0x456/0x630
[ 1505.521190][   T10]      ip6_route_input+0x59c/0xa50
[ 1505.521190][   T10]      ipv6_rcv+0x397/0x810
[ 1505.521190][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1505.521190][   T10]      process_backlog+0x101/0x620
[ 1505.521190][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1505.521190][   T10]      net_rx_action+0x495/0xbe0
[ 1505.521190][   T10]      __do_softirq+0x1b5/0x7f6
[ 1505.521190][   T10] 
[ 1505.522890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.522890][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1505.522890][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1505.522890][   T10]      fib6_nh_init+0xa22/0x1580
[ 1505.522890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.522890][   T10]      ip6_route_add+0x1c/0x140
[ 1505.522890][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1505.522890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.522890][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.522890][   T10]      netlink_unicast+0x449/0x710
[ 1505.522890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.522890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.522890][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.522890][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.522890][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.522890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.522890][   T10] 
[ 1505.524837][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.524837][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.524837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.524837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.524837][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1505.524837][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1505.524837][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1505.524837][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1505.524837][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1505.524837][   T10]      addrconf_dad_begin+0x310/0x670
[ 1505.524837][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1505.524837][   T10]      process_one_work+0x84d/0x18a0
[ 1505.524837][   T10]      worker_thread+0x587/0xd30
[ 1505.524837][   T10]      kthread+0x28a/0x350
[ 1505.524837][   T10]      ret_from_fork+0x31/0x70
[ 1505.524837][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1505.524837][   T10] 
[ 1505.526813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.526813][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.526813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.526813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.526813][   T10]      ip6_route_add+0x1c/0x140
[ 1505.526813][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1505.526813][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1505.526813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.526813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.526813][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.526813][   T10]      netlink_unicast+0x449/0x710
[ 1505.526813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.526813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.526813][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.526813][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.526813][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.526813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.526813][   T10] 
[ 1505.528861][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.528861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.528861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.528861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.528861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1505.528861][   T10]      ipv6_add_addr+0x411/0x2000
[ 1505.528861][   T10]      inet6_addr_add+0x30e/0xa40
[ 1505.528861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.528861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.528861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.528861][   T10]      netlink_unicast+0x449/0x710
[ 1505.528861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.528861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.528861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.528861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.528861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.528861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.528861][   T10] 
[ 1505.530896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.530896][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.530896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.530896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.530896][   T10]      ip6_route_add+0x1c/0x140
[ 1505.530896][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1505.530896][   T10]      addrconf_add_dev+0xe2/0x170
[ 1505.530896][   T10]      inet6_addr_add+0x12f/0xa40
[ 1505.530896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.530896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.530896][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.530896][   T10]      netlink_unicast+0x449/0x710
[ 1505.530896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.530896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.530896][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.530896][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.530896][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.530896][   T10] 
[ 1505.532922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.532922][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1505.532922][   T10]      ipv6_find_idev+0x102/0x170
[ 1505.532922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1505.532922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.532922][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.532922][   T10]      netlink_unicast+0x449/0x710
[ 1505.532922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.532922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.532922][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.532922][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.532922][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.532922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.532922][   T10] 
[ 1505.534487][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1505.534487][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1505.534487][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1505.534487][   T10]      ipv6_find_idev+0x102/0x170
[ 1505.534487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1505.534487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.534487][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.534487][   T10]      netlink_unicast+0x449/0x710
[ 1505.534487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.534487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.534487][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.534487][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.534487][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.534487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.534487][   T10] 
[ 1505.536231][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1505.536478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.536478][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1505.536478][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1505.536478][   T10]      fib6_nh_init+0xa22/0x1580
[ 1505.536478][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.536478][   T10]      ip6_route_add+0x1c/0x140
[ 1505.536478][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1505.536478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.536478][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.536478][   T10]      netlink_unicast+0x449/0x710
[ 1505.536478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.536478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.536478][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.536478][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.536478][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.536478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.536478][   T10] 
[ 1505.538457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.538457][   T10]      dst_init+0x84/0x4a0
[ 1505.538457][   T10]      dst_alloc+0x97/0x150
[ 1505.538457][   T10]      ip6_dst_alloc+0x23/0x90
[ 1505.538457][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1505.538457][   T10]      ip6_pol_route+0x56f/0x840
[ 1505.538457][   T10]      fib6_rule_lookup+0x456/0x630
[ 1505.538457][   T10]      ip6_route_input+0x59c/0xa50
[ 1505.538457][   T10]      ipv6_rcv+0x397/0x810
[ 1505.538457][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1505.538457][   T10]      process_backlog+0x101/0x620
[ 1505.538457][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1505.538457][   T10]      net_rx_action+0x495/0xbe0
[ 1505.538457][   T10]      __do_softirq+0x1b5/0x7f6
[ 1505.538457][   T10] 
[ 1505.540133][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.540133][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.540133][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.540133][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.540133][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1505.540133][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1505.540133][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1505.540133][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1505.540133][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1505.540133][   T10]      addrconf_dad_begin+0x310/0x670
[ 1505.540133][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1505.540133][   T10]      process_one_work+0x84d/0x18a0
[ 1505.540133][   T10]      worker_thread+0x587/0xd30
[ 1505.540133][   T10]      kthread+0x28a/0x350
[ 1505.540133][   T10]      ret_from_fork+0x31/0x70
[ 1505.540133][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1505.540133][   T10] 
[ 1505.542076][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.542076][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.542076][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.542076][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.542076][   T10]      ip6_route_add+0x1c/0x140
[ 1505.542076][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1505.542076][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1505.542076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.542076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.542076][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.542076][   T10]      netlink_unicast+0x449/0x710
[ 1505.542076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.542076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.542076][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.542076][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.542076][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.542076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.542076][   T10] 
[ 1505.544109][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.544109][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.544109][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.544109][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.544109][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1505.544109][   T10]      ipv6_add_addr+0x411/0x2000
[ 1505.544109][   T10]      inet6_addr_add+0x30e/0xa40
[ 1505.544109][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.544109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.544109][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.544109][   T10]      netlink_unicast+0x449/0x710
[ 1505.544109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.544109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.544109][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.544109][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.544109][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.544109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.544109][   T10] 
[ 1505.546139][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.546139][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.546139][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.546139][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.546139][   T10]      ip6_route_add+0x1c/0x140
[ 1505.546139][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1505.546139][   T10]      addrconf_add_dev+0xe2/0x170
[ 1505.546139][   T10]      inet6_addr_add+0x12f/0xa40
[ 1505.546139][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.546139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.546139][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.546139][   T10]      netlink_unicast+0x449/0x710
[ 1505.546139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.546139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.546139][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.546139][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.546139][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.546139][   T10] 
[ 1505.548283][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.548283][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1505.548283][   T10]      ipv6_find_idev+0x102/0x170
[ 1505.548283][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1505.548283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.548283][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.548283][   T10]      netlink_unicast+0x449/0x710
[ 1505.548283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.548283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.548283][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.548283][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.548283][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.548283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.548283][   T10] 
[ 1505.549997][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1505.549997][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1505.549997][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1505.549997][   T10]      ipv6_find_idev+0x102/0x170
[ 1505.549997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1505.549997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.549997][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.549997][   T10]      netlink_unicast+0x449/0x710
[ 1505.549997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.549997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.549997][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.549997][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.549997][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.549997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.549997][   T10] 
[ 1505.551794][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1505.552037][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1505.552037][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.552037][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.552037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.552037][   T10]      ip6_route_add+0x1c/0x140
[ 1505.552037][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1505.552037][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1505.552037][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.552037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.552037][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.552037][   T10]      netlink_unicast+0x449/0x710
[ 1505.552037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.552037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.552037][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.552037][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.552037][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.552037][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.552037][   T10] 
[ 1505.554207][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1505.554207][   T10]      netdev_get_by_index+0x5e/0x80
[ 1505.554207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1505.554207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1505.554207][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1505.554207][   T10]      ipv6_add_addr+0x411/0x2000
[ 1505.554207][   T10]      inet6_addr_add+0x30e/0xa40
[ 1505.554207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1505.554207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.554207][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.554207][   T10]      netlink_unicast+0x449/0x710
[ 1505.554207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.554207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.554207][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.554207][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.554207][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.554207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.554207][   T10] 
[ 1505.556371][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1505.556371][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1505.556371][   T10]      ipv6_find_idev+0x102/0x170
[ 1505.556371][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1505.556371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.556371][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.556371][   T10]      netlink_unicast+0x449/0x710
[ 1505.556371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.556371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.556371][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.556371][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.556371][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.556371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.556371][   T10] 
[ 1505.558079][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1505.558079][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1505.558079][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1505.558079][   T10]      ipv6_find_idev+0x102/0x170
[ 1505.558079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1505.558079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1505.558079][   T10]      netlink_rcv_skb+0x130/0x360
[ 1505.558079][   T10]      netlink_unicast+0x449/0x710
[ 1505.558079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1505.558079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1505.558079][   T10]      ___sys_sendmsg+0xee/0x170
[ 1505.558079][   T10]      __sys_sendmsg+0xcd/0x170
[ 1505.558079][   T10]      do_syscall_64+0xc6/0x1e0
[ 1505.558079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1505.558079][   T10] 
[ 1515.800714][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1515.801196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.801196][   T10]      dst_init+0x84/0x4a0
[ 1515.801196][   T10]      dst_alloc+0x97/0x150
[ 1515.801196][   T10]      ip6_dst_alloc+0x23/0x90
[ 1515.801196][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1515.801196][   T10]      ip6_pol_route+0x56f/0x840
[ 1515.801196][   T10]      fib6_rule_lookup+0x456/0x630
[ 1515.801196][   T10]      ip6_route_input+0x59c/0xa50
[ 1515.801196][   T10]      ipv6_rcv+0x397/0x810
[ 1515.801196][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1515.801196][   T10]      process_backlog+0x101/0x620
[ 1515.801196][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1515.801196][   T10]      net_rx_action+0x495/0xbe0
[ 1515.801196][   T10]      __do_softirq+0x1b5/0x7f6
[ 1515.801196][   T10] 
[ 1515.802915][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.802915][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1515.802915][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1515.802915][   T10]      fib6_nh_init+0xa22/0x1580
[ 1515.802915][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.802915][   T10]      ip6_route_add+0x1c/0x140
[ 1515.802915][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1515.802915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.802915][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.802915][   T10]      netlink_unicast+0x449/0x710
[ 1515.802915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.802915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.802915][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.802915][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.802915][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.802915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.802915][   T10] 
[ 1515.804838][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.804838][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.804838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.804838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.804838][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1515.804838][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1515.804838][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1515.804838][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1515.804838][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1515.804838][   T10]      addrconf_dad_begin+0x310/0x670
[ 1515.804838][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1515.804838][   T10]      process_one_work+0x84d/0x18a0
[ 1515.804838][   T10]      worker_thread+0x587/0xd30
[ 1515.804838][   T10]      kthread+0x28a/0x350
[ 1515.804838][   T10]      ret_from_fork+0x31/0x70
[ 1515.804838][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1515.804838][   T10] 
[ 1515.806799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.806799][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.806799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.806799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.806799][   T10]      ip6_route_add+0x1c/0x140
[ 1515.806799][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1515.806799][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1515.806799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.806799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.806799][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.806799][   T10]      netlink_unicast+0x449/0x710
[ 1515.806799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.806799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.806799][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.806799][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.806799][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.806799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.806799][   T10] 
[ 1515.808838][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.808838][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.808838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.808838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.808838][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1515.808838][   T10]      ipv6_add_addr+0x411/0x2000
[ 1515.808838][   T10]      inet6_addr_add+0x30e/0xa40
[ 1515.808838][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.808838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.808838][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.808838][   T10]      netlink_unicast+0x449/0x710
[ 1515.808838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.808838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.808838][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.808838][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.808838][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.808838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.808838][   T10] 
[ 1515.810891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.810891][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.810891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.810891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.810891][   T10]      ip6_route_add+0x1c/0x140
[ 1515.810891][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1515.810891][   T10]      addrconf_add_dev+0xe2/0x170
[ 1515.810891][   T10]      inet6_addr_add+0x12f/0xa40
[ 1515.810891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.810891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.810891][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.810891][   T10]      netlink_unicast+0x449/0x710
[ 1515.810891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.810891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.810891][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.810891][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.810891][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.810891][   T10] 
[ 1515.812891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.812891][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1515.812891][   T10]      ipv6_find_idev+0x102/0x170
[ 1515.812891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1515.812891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.812891][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.812891][   T10]      netlink_unicast+0x449/0x710
[ 1515.812891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.812891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.812891][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.812891][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.812891][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.812891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.812891][   T10] 
[ 1515.814462][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1515.814462][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1515.814462][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1515.814462][   T10]      ipv6_find_idev+0x102/0x170
[ 1515.814462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1515.814462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.814462][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.814462][   T10]      netlink_unicast+0x449/0x710
[ 1515.814462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.814462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.814462][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.814462][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.814462][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.814462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.814462][   T10] 
[ 1515.816203][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1515.816450][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.816450][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1515.816450][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1515.816450][   T10]      fib6_nh_init+0xa22/0x1580
[ 1515.816450][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.816450][   T10]      ip6_route_add+0x1c/0x140
[ 1515.816450][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1515.816450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.816450][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.816450][   T10]      netlink_unicast+0x449/0x710
[ 1515.816450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.816450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.816450][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.816450][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.816450][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.816450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.816450][   T10] 
[ 1515.818381][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.818381][   T10]      dst_init+0x84/0x4a0
[ 1515.818381][   T10]      dst_alloc+0x97/0x150
[ 1515.818381][   T10]      ip6_dst_alloc+0x23/0x90
[ 1515.818381][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1515.818381][   T10]      ip6_pol_route+0x56f/0x840
[ 1515.818381][   T10]      fib6_rule_lookup+0x456/0x630
[ 1515.818381][   T10]      ip6_route_input+0x59c/0xa50
[ 1515.818381][   T10]      ipv6_rcv+0x397/0x810
[ 1515.818381][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1515.818381][   T10]      process_backlog+0x101/0x620
[ 1515.818381][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1515.818381][   T10]      net_rx_action+0x495/0xbe0
[ 1515.818381][   T10]      __do_softirq+0x1b5/0x7f6
[ 1515.818381][   T10] 
[ 1515.820053][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.820053][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.820053][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.820053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.820053][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1515.820053][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1515.820053][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1515.820053][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1515.820053][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1515.820053][   T10]      addrconf_dad_begin+0x310/0x670
[ 1515.820053][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1515.820053][   T10]      process_one_work+0x84d/0x18a0
[ 1515.820053][   T10]      worker_thread+0x587/0xd30
[ 1515.820053][   T10]      kthread+0x28a/0x350
[ 1515.820053][   T10]      ret_from_fork+0x31/0x70
[ 1515.820053][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1515.820053][   T10] 
[ 1515.821985][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.821985][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.821985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.821985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.821985][   T10]      ip6_route_add+0x1c/0x140
[ 1515.821985][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1515.821985][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1515.821985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.821985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.821985][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.821985][   T10]      netlink_unicast+0x449/0x710
[ 1515.821985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.821985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.821985][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.821985][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.821985][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.821985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.821985][   T10] 
[ 1515.824043][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.824043][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.824043][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.824043][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.824043][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1515.824043][   T10]      ipv6_add_addr+0x411/0x2000
[ 1515.824043][   T10]      inet6_addr_add+0x30e/0xa40
[ 1515.824043][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.824043][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.824043][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.824043][   T10]      netlink_unicast+0x449/0x710
[ 1515.824043][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.824043][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.824043][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.824043][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.824043][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.824043][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.824043][   T10] 
[ 1515.826081][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.826081][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.826081][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.826081][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.826081][   T10]      ip6_route_add+0x1c/0x140
[ 1515.826081][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1515.826081][   T10]      addrconf_add_dev+0xe2/0x170
[ 1515.826081][   T10]      inet6_addr_add+0x12f/0xa40
[ 1515.826081][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.826081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.826081][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.826081][   T10]      netlink_unicast+0x449/0x710
[ 1515.826081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.826081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.826081][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.826081][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.826081][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.826081][   T10] 
[ 1515.828222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.828222][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1515.828222][   T10]      ipv6_find_idev+0x102/0x170
[ 1515.828222][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1515.828222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.828222][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.828222][   T10]      netlink_unicast+0x449/0x710
[ 1515.828222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.828222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.828222][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.828222][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.828222][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.828222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.828222][   T10] 
[ 1515.829865][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1515.829865][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1515.829865][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1515.829865][   T10]      ipv6_find_idev+0x102/0x170
[ 1515.829865][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1515.829865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.829865][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.829865][   T10]      netlink_unicast+0x449/0x710
[ 1515.829865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.829865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.829865][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.829865][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.829865][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.829865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.829865][   T10] 
[ 1515.831729][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1515.831982][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1515.831982][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.831982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.831982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.831982][   T10]      ip6_route_add+0x1c/0x140
[ 1515.831982][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1515.831982][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1515.831982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.831982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.831982][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.831982][   T10]      netlink_unicast+0x449/0x710
[ 1515.831982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.831982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.831982][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.831982][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.831982][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.831982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.831982][   T10] 
[ 1515.834155][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1515.834155][   T10]      netdev_get_by_index+0x5e/0x80
[ 1515.834155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1515.834155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1515.834155][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1515.834155][   T10]      ipv6_add_addr+0x411/0x2000
[ 1515.834155][   T10]      inet6_addr_add+0x30e/0xa40
[ 1515.834155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1515.834155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.834155][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.834155][   T10]      netlink_unicast+0x449/0x710
[ 1515.834155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.834155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.834155][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.834155][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.834155][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.834155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.834155][   T10] 
[ 1515.836337][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1515.836337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1515.836337][   T10]      ipv6_find_idev+0x102/0x170
[ 1515.836337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1515.836337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.836337][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.836337][   T10]      netlink_unicast+0x449/0x710
[ 1515.836337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.836337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.836337][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.836337][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.836337][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.836337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.836337][   T10] 
[ 1515.838048][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1515.838048][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1515.838048][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1515.838048][   T10]      ipv6_find_idev+0x102/0x170
[ 1515.838048][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1515.838048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1515.838048][   T10]      netlink_rcv_skb+0x130/0x360
[ 1515.838048][   T10]      netlink_unicast+0x449/0x710
[ 1515.838048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1515.838048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1515.838048][   T10]      ___sys_sendmsg+0xee/0x170
[ 1515.838048][   T10]      __sys_sendmsg+0xcd/0x170
[ 1515.838048][   T10]      do_syscall_64+0xc6/0x1e0
[ 1515.838048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1515.838048][   T10] 
[ 1526.080699][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1526.081173][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.081173][   T10]      dst_init+0x84/0x4a0
[ 1526.081173][   T10]      dst_alloc+0x97/0x150
[ 1526.081173][   T10]      ip6_dst_alloc+0x23/0x90
[ 1526.081173][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1526.081173][   T10]      ip6_pol_route+0x56f/0x840
[ 1526.081173][   T10]      fib6_rule_lookup+0x456/0x630
[ 1526.081173][   T10]      ip6_route_input+0x59c/0xa50
[ 1526.081173][   T10]      ipv6_rcv+0x397/0x810
[ 1526.081173][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1526.081173][   T10]      process_backlog+0x101/0x620
[ 1526.081173][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1526.081173][   T10]      net_rx_action+0x495/0xbe0
[ 1526.081173][   T10]      __do_softirq+0x1b5/0x7f6
[ 1526.081173][   T10] 
[ 1526.082892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.082892][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1526.082892][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1526.082892][   T10]      fib6_nh_init+0xa22/0x1580
[ 1526.082892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.082892][   T10]      ip6_route_add+0x1c/0x140
[ 1526.082892][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1526.082892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.082892][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.082892][   T10]      netlink_unicast+0x449/0x710
[ 1526.082892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.082892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.082892][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.082892][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.082892][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.082892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.082892][   T10] 
[ 1526.084842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.084842][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.084842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.084842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.084842][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1526.084842][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1526.084842][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1526.084842][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1526.084842][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1526.084842][   T10]      addrconf_dad_begin+0x310/0x670
[ 1526.084842][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1526.084842][   T10]      process_one_work+0x84d/0x18a0
[ 1526.084842][   T10]      worker_thread+0x587/0xd30
[ 1526.084842][   T10]      kthread+0x28a/0x350
[ 1526.084842][   T10]      ret_from_fork+0x31/0x70
[ 1526.084842][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1526.084842][   T10] 
[ 1526.086792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.086792][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.086792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.086792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.086792][   T10]      ip6_route_add+0x1c/0x140
[ 1526.086792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1526.086792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1526.086792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.086792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.086792][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.086792][   T10]      netlink_unicast+0x449/0x710
[ 1526.086792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.086792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.086792][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.086792][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.086792][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.086792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.086792][   T10] 
[ 1526.088850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.088850][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.088850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.088850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.088850][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1526.088850][   T10]      ipv6_add_addr+0x411/0x2000
[ 1526.088850][   T10]      inet6_addr_add+0x30e/0xa40
[ 1526.088850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.088850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.088850][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.088850][   T10]      netlink_unicast+0x449/0x710
[ 1526.088850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.088850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.088850][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.088850][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.088850][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.088850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.088850][   T10] 
[ 1526.090873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.090873][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.090873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.090873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.090873][   T10]      ip6_route_add+0x1c/0x140
[ 1526.090873][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1526.090873][   T10]      addrconf_add_dev+0xe2/0x170
[ 1526.090873][   T10]      inet6_addr_add+0x12f/0xa40
[ 1526.090873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.090873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.090873][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.090873][   T10]      netlink_unicast+0x449/0x710
[ 1526.090873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.090873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.090873][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.090873][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.090873][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.090873][   T10] 
[ 1526.092871][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.092871][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1526.092871][   T10]      ipv6_find_idev+0x102/0x170
[ 1526.092871][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1526.092871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.092871][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.092871][   T10]      netlink_unicast+0x449/0x710
[ 1526.092871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.092871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.092871][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.092871][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.092871][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.092871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.092871][   T10] 
[ 1526.094451][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1526.094451][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1526.094451][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1526.094451][   T10]      ipv6_find_idev+0x102/0x170
[ 1526.094451][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1526.094451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.094451][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.094451][   T10]      netlink_unicast+0x449/0x710
[ 1526.094451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.094451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.094451][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.094451][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.094451][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.094451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.094451][   T10] 
[ 1526.096239][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1526.096494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.096494][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1526.096494][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1526.096494][   T10]      fib6_nh_init+0xa22/0x1580
[ 1526.096494][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.096494][   T10]      ip6_route_add+0x1c/0x140
[ 1526.096494][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1526.096494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.096494][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.096494][   T10]      netlink_unicast+0x449/0x710
[ 1526.096494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.096494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.096494][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.096494][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.096494][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.096494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.096494][   T10] 
[ 1526.098409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.098409][   T10]      dst_init+0x84/0x4a0
[ 1526.098409][   T10]      dst_alloc+0x97/0x150
[ 1526.098409][   T10]      ip6_dst_alloc+0x23/0x90
[ 1526.098409][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1526.098409][   T10]      ip6_pol_route+0x56f/0x840
[ 1526.098409][   T10]      fib6_rule_lookup+0x456/0x630
[ 1526.098409][   T10]      ip6_route_input+0x59c/0xa50
[ 1526.098409][   T10]      ipv6_rcv+0x397/0x810
[ 1526.098409][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1526.098409][   T10]      process_backlog+0x101/0x620
[ 1526.098409][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1526.098409][   T10]      net_rx_action+0x495/0xbe0
[ 1526.098409][   T10]      __do_softirq+0x1b5/0x7f6
[ 1526.098409][   T10] 
[ 1526.100084][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.100084][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.100084][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.100084][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.100084][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1526.100084][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1526.100084][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1526.100084][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1526.100084][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1526.100084][   T10]      addrconf_dad_begin+0x310/0x670
[ 1526.100084][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1526.100084][   T10]      process_one_work+0x84d/0x18a0
[ 1526.100084][   T10]      worker_thread+0x587/0xd30
[ 1526.100084][   T10]      kthread+0x28a/0x350
[ 1526.100084][   T10]      ret_from_fork+0x31/0x70
[ 1526.100084][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1526.100084][   T10] 
[ 1526.102011][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.102011][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.102011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.102011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.102011][   T10]      ip6_route_add+0x1c/0x140
[ 1526.102011][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1526.102011][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1526.102011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.102011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.102011][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.102011][   T10]      netlink_unicast+0x449/0x710
[ 1526.102011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.102011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.102011][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.102011][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.102011][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.102011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.102011][   T10] 
[ 1526.104042][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.104042][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.104042][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.104042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.104042][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1526.104042][   T10]      ipv6_add_addr+0x411/0x2000
[ 1526.104042][   T10]      inet6_addr_add+0x30e/0xa40
[ 1526.104042][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.104042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.104042][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.104042][   T10]      netlink_unicast+0x449/0x710
[ 1526.104042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.104042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.104042][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.104042][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.104042][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.104042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.104042][   T10] 
[ 1526.106065][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.106065][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.106065][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.106065][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.106065][   T10]      ip6_route_add+0x1c/0x140
[ 1526.106065][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1526.106065][   T10]      addrconf_add_dev+0xe2/0x170
[ 1526.106065][   T10]      inet6_addr_add+0x12f/0xa40
[ 1526.106065][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.106065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.106065][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.106065][   T10]      netlink_unicast+0x449/0x710
[ 1526.106065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.106065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.106065][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.106065][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.106065][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.106065][   T10] 
[ 1526.108261][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.108261][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1526.108261][   T10]      ipv6_find_idev+0x102/0x170
[ 1526.108261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1526.108261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.108261][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.108261][   T10]      netlink_unicast+0x449/0x710
[ 1526.108261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.108261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.108261][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.108261][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.108261][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.108261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.108261][   T10] 
[ 1526.110075][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1526.110075][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1526.110075][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1526.110075][   T10]      ipv6_find_idev+0x102/0x170
[ 1526.110075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1526.110075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.110075][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.110075][   T10]      netlink_unicast+0x449/0x710
[ 1526.110075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.110075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.110075][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.110075][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.110075][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.110075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.110075][   T10] 
[ 1526.111979][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1526.112224][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1526.112224][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.112224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.112224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.112224][   T10]      ip6_route_add+0x1c/0x140
[ 1526.112224][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1526.112224][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1526.112224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.112224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.112224][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.112224][   T10]      netlink_unicast+0x449/0x710
[ 1526.112224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.112224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.112224][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.112224][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.112224][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.112224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.112224][   T10] 
[ 1526.114526][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1526.114526][   T10]      netdev_get_by_index+0x5e/0x80
[ 1526.114526][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1526.114526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1526.114526][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1526.114526][   T10]      ipv6_add_addr+0x411/0x2000
[ 1526.114526][   T10]      inet6_addr_add+0x30e/0xa40
[ 1526.114526][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1526.114526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.114526][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.114526][   T10]      netlink_unicast+0x449/0x710
[ 1526.114526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.114526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.114526][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.114526][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.114526][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.114526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.114526][   T10] 
[ 1526.116796][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1526.116796][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1526.116796][   T10]      ipv6_find_idev+0x102/0x170
[ 1526.116796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1526.116796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.116796][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.116796][   T10]      netlink_unicast+0x449/0x710
[ 1526.116796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.116796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.116796][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.116796][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.116796][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.116796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.116796][   T10] 
[ 1526.118660][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1526.118660][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1526.118660][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1526.118660][   T10]      ipv6_find_idev+0x102/0x170
[ 1526.118660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1526.118660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1526.118660][   T10]      netlink_rcv_skb+0x130/0x360
[ 1526.118660][   T10]      netlink_unicast+0x449/0x710
[ 1526.118660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1526.118660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1526.118660][   T10]      ___sys_sendmsg+0xee/0x170
[ 1526.118660][   T10]      __sys_sendmsg+0xcd/0x170
[ 1526.118660][   T10]      do_syscall_64+0xc6/0x1e0
[ 1526.118660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1526.118660][   T10] 
[ 1536.360796][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1536.361341][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.361341][   T10]      dst_init+0x84/0x4a0
[ 1536.361341][   T10]      dst_alloc+0x97/0x150
[ 1536.361341][   T10]      ip6_dst_alloc+0x23/0x90
[ 1536.361341][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1536.361341][   T10]      ip6_pol_route+0x56f/0x840
[ 1536.361341][   T10]      fib6_rule_lookup+0x456/0x630
[ 1536.361341][   T10]      ip6_route_input+0x59c/0xa50
[ 1536.361341][   T10]      ipv6_rcv+0x397/0x810
[ 1536.361341][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1536.361341][   T10]      process_backlog+0x101/0x620
[ 1536.361341][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1536.361341][   T10]      net_rx_action+0x495/0xbe0
[ 1536.361341][   T10]      __do_softirq+0x1b5/0x7f6
[ 1536.361341][   T10] 
[ 1536.363170][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.363170][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1536.363170][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1536.363170][   T10]      fib6_nh_init+0xa22/0x1580
[ 1536.363170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.363170][   T10]      ip6_route_add+0x1c/0x140
[ 1536.363170][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1536.363170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.363170][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.363170][   T10]      netlink_unicast+0x449/0x710
[ 1536.363170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.363170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.363170][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.363170][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.363170][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.363170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.363170][   T10] 
[ 1536.365198][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.365198][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.365198][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.365198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.365198][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1536.365198][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1536.365198][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1536.365198][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1536.365198][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1536.365198][   T10]      addrconf_dad_begin+0x310/0x670
[ 1536.365198][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1536.365198][   T10]      process_one_work+0x84d/0x18a0
[ 1536.365198][   T10]      worker_thread+0x587/0xd30
[ 1536.365198][   T10]      kthread+0x28a/0x350
[ 1536.365198][   T10]      ret_from_fork+0x31/0x70
[ 1536.365198][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1536.365198][   T10] 
[ 1536.367247][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.367247][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.367247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.367247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.367247][   T10]      ip6_route_add+0x1c/0x140
[ 1536.367247][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1536.367247][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1536.367247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.367247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.367247][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.367247][   T10]      netlink_unicast+0x449/0x710
[ 1536.367247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.367247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.367247][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.367247][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.367247][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.367247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.367247][   T10] 
[ 1536.369412][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.369412][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.369412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.369412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.369412][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1536.369412][   T10]      ipv6_add_addr+0x411/0x2000
[ 1536.369412][   T10]      inet6_addr_add+0x30e/0xa40
[ 1536.369412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.369412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.369412][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.369412][   T10]      netlink_unicast+0x449/0x710
[ 1536.369412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.369412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.369412][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.369412][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.369412][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.369412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.369412][   T10] 
[ 1536.371538][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.371538][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.371538][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.371538][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.371538][   T10]      ip6_route_add+0x1c/0x140
[ 1536.371538][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1536.371538][   T10]      addrconf_add_dev+0xe2/0x170
[ 1536.371538][   T10]      inet6_addr_add+0x12f/0xa40
[ 1536.371538][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.371538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.371538][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.371538][   T10]      netlink_unicast+0x449/0x710
[ 1536.371538][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.371538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.371538][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.371538][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.371538][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.371538][   T10] 
[ 1536.373646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.373646][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1536.373646][   T10]      ipv6_find_idev+0x102/0x170
[ 1536.373646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1536.373646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.373646][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.373646][   T10]      netlink_unicast+0x449/0x710
[ 1536.373646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.373646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.373646][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.373646][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.373646][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.373646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.373646][   T10] 
[ 1536.375283][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1536.375283][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1536.375283][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1536.375283][   T10]      ipv6_find_idev+0x102/0x170
[ 1536.375283][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1536.375283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.375283][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.375283][   T10]      netlink_unicast+0x449/0x710
[ 1536.375283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.375283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.375283][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.375283][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.375283][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.375283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.375283][   T10] 
[ 1536.377078][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1536.377327][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.377327][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1536.377327][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1536.377327][   T10]      fib6_nh_init+0xa22/0x1580
[ 1536.377327][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.377327][   T10]      ip6_route_add+0x1c/0x140
[ 1536.377327][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1536.377327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.377327][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.377327][   T10]      netlink_unicast+0x449/0x710
[ 1536.377327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.377327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.377327][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.377327][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.377327][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.377327][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.377327][   T10] 
[ 1536.379428][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.379428][   T10]      dst_init+0x84/0x4a0
[ 1536.379428][   T10]      dst_alloc+0x97/0x150
[ 1536.379428][   T10]      ip6_dst_alloc+0x23/0x90
[ 1536.379428][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1536.379428][   T10]      ip6_pol_route+0x56f/0x840
[ 1536.379428][   T10]      fib6_rule_lookup+0x456/0x630
[ 1536.379428][   T10]      ip6_route_input+0x59c/0xa50
[ 1536.379428][   T10]      ipv6_rcv+0x397/0x810
[ 1536.379428][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1536.379428][   T10]      process_backlog+0x101/0x620
[ 1536.379428][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1536.379428][   T10]      net_rx_action+0x495/0xbe0
[ 1536.379428][   T10]      __do_softirq+0x1b5/0x7f6
[ 1536.379428][   T10] 
[ 1536.381168][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.381168][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.381168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.381168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.381168][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1536.381168][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1536.381168][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1536.381168][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1536.381168][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1536.381168][   T10]      addrconf_dad_begin+0x310/0x670
[ 1536.381168][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1536.381168][   T10]      process_one_work+0x84d/0x18a0
[ 1536.381168][   T10]      worker_thread+0x587/0xd30
[ 1536.381168][   T10]      kthread+0x28a/0x350
[ 1536.381168][   T10]      ret_from_fork+0x31/0x70
[ 1536.381168][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1536.381168][   T10] 
[ 1536.383225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.383225][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.383225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.383225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.383225][   T10]      ip6_route_add+0x1c/0x140
[ 1536.383225][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1536.383225][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1536.383225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.383225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.383225][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.383225][   T10]      netlink_unicast+0x449/0x710
[ 1536.383225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.383225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.383225][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.383225][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.383225][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.383225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.383225][   T10] 
[ 1536.385358][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.385358][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.385358][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.385358][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.385358][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1536.385358][   T10]      ipv6_add_addr+0x411/0x2000
[ 1536.385358][   T10]      inet6_addr_add+0x30e/0xa40
[ 1536.385358][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.385358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.385358][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.385358][   T10]      netlink_unicast+0x449/0x710
[ 1536.385358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.385358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.385358][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.385358][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.385358][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.385358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.385358][   T10] 
[ 1536.387499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.387499][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.387499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.387499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.387499][   T10]      ip6_route_add+0x1c/0x140
[ 1536.387499][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1536.387499][   T10]      addrconf_add_dev+0xe2/0x170
[ 1536.387499][   T10]      inet6_addr_add+0x12f/0xa40
[ 1536.387499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.387499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.387499][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.387499][   T10]      netlink_unicast+0x449/0x710
[ 1536.387499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.387499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.387499][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.387499][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.387499][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.387499][   T10] 
[ 1536.389779][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.389779][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1536.389779][   T10]      ipv6_find_idev+0x102/0x170
[ 1536.389779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1536.389779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.389779][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.389779][   T10]      netlink_unicast+0x449/0x710
[ 1536.389779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.389779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.389779][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.389779][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.389779][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.389779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.389779][   T10] 
[ 1536.391629][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1536.391629][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1536.391629][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1536.391629][   T10]      ipv6_find_idev+0x102/0x170
[ 1536.391629][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1536.391629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.391629][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.391629][   T10]      netlink_unicast+0x449/0x710
[ 1536.391629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.391629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.391629][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.391629][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.391629][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.391629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.391629][   T10] 
[ 1536.393711][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1536.393967][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1536.393967][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.393967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.393967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.393967][   T10]      ip6_route_add+0x1c/0x140
[ 1536.393967][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1536.393967][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1536.393967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.393967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.393967][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.393967][   T10]      netlink_unicast+0x449/0x710
[ 1536.393967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.393967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.393967][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.393967][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.393967][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.393967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.393967][   T10] 
[ 1536.396328][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1536.396328][   T10]      netdev_get_by_index+0x5e/0x80
[ 1536.396328][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1536.396328][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1536.396328][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1536.396328][   T10]      ipv6_add_addr+0x411/0x2000
[ 1536.396328][   T10]      inet6_addr_add+0x30e/0xa40
[ 1536.396328][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1536.396328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.396328][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.396328][   T10]      netlink_unicast+0x449/0x710
[ 1536.396328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.396328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.396328][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.396328][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.396328][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.396328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.396328][   T10] 
[ 1536.398647][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1536.398647][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1536.398647][   T10]      ipv6_find_idev+0x102/0x170
[ 1536.398647][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1536.398647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.398647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.398647][   T10]      netlink_unicast+0x449/0x710
[ 1536.398647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.398647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.398647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.398647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.398647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.398647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.398647][   T10] 
[ 1536.400462][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1536.400462][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1536.400462][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1536.400462][   T10]      ipv6_find_idev+0x102/0x170
[ 1536.400462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1536.400462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1536.400462][   T10]      netlink_rcv_skb+0x130/0x360
[ 1536.400462][   T10]      netlink_unicast+0x449/0x710
[ 1536.400462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1536.400462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1536.400462][   T10]      ___sys_sendmsg+0xee/0x170
[ 1536.400462][   T10]      __sys_sendmsg+0xcd/0x170
[ 1536.400462][   T10]      do_syscall_64+0xc6/0x1e0
[ 1536.400462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1536.400462][   T10] 
[ 1546.640784][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1546.641267][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.641267][   T10]      dst_init+0x84/0x4a0
[ 1546.641267][   T10]      dst_alloc+0x97/0x150
[ 1546.641267][   T10]      ip6_dst_alloc+0x23/0x90
[ 1546.641267][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1546.641267][   T10]      ip6_pol_route+0x56f/0x840
[ 1546.641267][   T10]      fib6_rule_lookup+0x456/0x630
[ 1546.641267][   T10]      ip6_route_input+0x59c/0xa50
[ 1546.641267][   T10]      ipv6_rcv+0x397/0x810
[ 1546.641267][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1546.641267][   T10]      process_backlog+0x101/0x620
[ 1546.641267][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1546.641267][   T10]      net_rx_action+0x495/0xbe0
[ 1546.641267][   T10]      __do_softirq+0x1b5/0x7f6
[ 1546.641267][   T10] 
[ 1546.643069][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.643069][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1546.643069][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1546.643069][   T10]      fib6_nh_init+0xa22/0x1580
[ 1546.643069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.643069][   T10]      ip6_route_add+0x1c/0x140
[ 1546.643069][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1546.643069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.643069][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.643069][   T10]      netlink_unicast+0x449/0x710
[ 1546.643069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.643069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.643069][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.643069][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.643069][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.643069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.643069][   T10] 
[ 1546.645108][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.645108][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.645108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.645108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.645108][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1546.645108][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1546.645108][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1546.645108][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1546.645108][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1546.645108][   T10]      addrconf_dad_begin+0x310/0x670
[ 1546.645108][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1546.645108][   T10]      process_one_work+0x84d/0x18a0
[ 1546.645108][   T10]      worker_thread+0x587/0xd30
[ 1546.645108][   T10]      kthread+0x28a/0x350
[ 1546.645108][   T10]      ret_from_fork+0x31/0x70
[ 1546.645108][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1546.645108][   T10] 
[ 1546.647173][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.647173][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.647173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.647173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.647173][   T10]      ip6_route_add+0x1c/0x140
[ 1546.647173][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1546.647173][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1546.647173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.647173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.647173][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.647173][   T10]      netlink_unicast+0x449/0x710
[ 1546.647173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.647173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.647173][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.647173][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.647173][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.647173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.647173][   T10] 
[ 1546.649347][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.649347][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.649347][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.649347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.649347][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1546.649347][   T10]      ipv6_add_addr+0x411/0x2000
[ 1546.649347][   T10]      inet6_addr_add+0x30e/0xa40
[ 1546.649347][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.649347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.649347][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.649347][   T10]      netlink_unicast+0x449/0x710
[ 1546.649347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.649347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.649347][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.649347][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.649347][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.649347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.649347][   T10] 
[ 1546.651499][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.651499][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.651499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.651499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.651499][   T10]      ip6_route_add+0x1c/0x140
[ 1546.651499][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1546.651499][   T10]      addrconf_add_dev+0xe2/0x170
[ 1546.651499][   T10]      inet6_addr_add+0x12f/0xa40
[ 1546.651499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.651499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.651499][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.651499][   T10]      netlink_unicast+0x449/0x710
[ 1546.651499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.651499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.651499][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.651499][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.651499][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.651499][   T10] 
[ 1546.653591][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.653591][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1546.653591][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.653591][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.653591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.653591][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.653591][   T10]      netlink_unicast+0x449/0x710
[ 1546.653591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.653591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.653591][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.653591][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.653591][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.653591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.653591][   T10] 
[ 1546.655246][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1546.655246][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1546.655246][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1546.655246][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.655246][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.655246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.655246][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.655246][   T10]      netlink_unicast+0x449/0x710
[ 1546.655246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.655246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.655246][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.655246][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.655246][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.655246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.655246][   T10] 
[ 1546.657040][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1546.657326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.657326][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1546.657326][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1546.657326][   T10]      fib6_nh_init+0xa22/0x1580
[ 1546.657326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.657326][   T10]      ip6_route_add+0x1c/0x140
[ 1546.657326][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1546.657326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.657326][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.657326][   T10]      netlink_unicast+0x449/0x710
[ 1546.657326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.657326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.657326][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.657326][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.657326][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.657326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.657326][   T10] 
[ 1546.659403][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.659403][   T10]      dst_init+0x84/0x4a0
[ 1546.659403][   T10]      dst_alloc+0x97/0x150
[ 1546.659403][   T10]      ip6_dst_alloc+0x23/0x90
[ 1546.659403][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1546.659403][   T10]      ip6_pol_route+0x56f/0x840
[ 1546.659403][   T10]      fib6_rule_lookup+0x456/0x630
[ 1546.659403][   T10]      ip6_route_input+0x59c/0xa50
[ 1546.659403][   T10]      ipv6_rcv+0x397/0x810
[ 1546.659403][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1546.659403][   T10]      process_backlog+0x101/0x620
[ 1546.659403][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1546.659403][   T10]      net_rx_action+0x495/0xbe0
[ 1546.659403][   T10]      __do_softirq+0x1b5/0x7f6
[ 1546.659403][   T10] 
[ 1546.661205][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.661205][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.661205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.661205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.661205][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1546.661205][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1546.661205][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1546.661205][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1546.661205][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1546.661205][   T10]      addrconf_dad_begin+0x310/0x670
[ 1546.661205][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1546.661205][   T10]      process_one_work+0x84d/0x18a0
[ 1546.661205][   T10]      worker_thread+0x587/0xd30
[ 1546.661205][   T10]      kthread+0x28a/0x350
[ 1546.661205][   T10]      ret_from_fork+0x31/0x70
[ 1546.661205][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1546.661205][   T10] 
[ 1546.663264][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.663264][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.663264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.663264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.663264][   T10]      ip6_route_add+0x1c/0x140
[ 1546.663264][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1546.663264][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1546.663264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.663264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.663264][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.663264][   T10]      netlink_unicast+0x449/0x710
[ 1546.663264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.663264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.663264][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.663264][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.663264][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.663264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.663264][   T10] 
[ 1546.665388][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.665388][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.665388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.665388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.665388][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1546.665388][   T10]      ipv6_add_addr+0x411/0x2000
[ 1546.665388][   T10]      inet6_addr_add+0x30e/0xa40
[ 1546.665388][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.665388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.665388][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.665388][   T10]      netlink_unicast+0x449/0x710
[ 1546.665388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.665388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.665388][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.665388][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.665388][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.665388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.665388][   T10] 
[ 1546.667528][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.667528][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.667528][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.667528][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.667528][   T10]      ip6_route_add+0x1c/0x140
[ 1546.667528][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1546.667528][   T10]      addrconf_add_dev+0xe2/0x170
[ 1546.667528][   T10]      inet6_addr_add+0x12f/0xa40
[ 1546.667528][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.667528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.667528][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.667528][   T10]      netlink_unicast+0x449/0x710
[ 1546.667528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.667528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.667528][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.667528][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.667528][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.667528][   T10] 
[ 1546.669854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.669854][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1546.669854][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.669854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.669854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.669854][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.669854][   T10]      netlink_unicast+0x449/0x710
[ 1546.669854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.669854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.669854][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.669854][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.669854][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.669854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.669854][   T10] 
[ 1546.671711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1546.671711][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1546.671711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1546.671711][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.671711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.671711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.671711][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.671711][   T10]      netlink_unicast+0x449/0x710
[ 1546.671711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.671711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.671711][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.671711][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.671711][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.671711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.671711][   T10] 
[ 1546.673693][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1546.673947][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1546.673947][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.673947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.673947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.673947][   T10]      ip6_route_add+0x1c/0x140
[ 1546.673947][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1546.673947][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1546.673947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.673947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.673947][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.673947][   T10]      netlink_unicast+0x449/0x710
[ 1546.673947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.673947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.673947][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.673947][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.673947][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.673947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.673947][   T10] 
[ 1546.676314][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1546.676314][   T10]      netdev_get_by_index+0x5e/0x80
[ 1546.676314][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1546.676314][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1546.676314][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1546.676314][   T10]      ipv6_add_addr+0x411/0x2000
[ 1546.676314][   T10]      inet6_addr_add+0x30e/0xa40
[ 1546.676314][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1546.676314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.676314][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.676314][   T10]      netlink_unicast+0x449/0x710
[ 1546.676314][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.676314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.676314][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.676314][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.676314][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.676314][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.676314][   T10] 
[ 1546.678634][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1546.678634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1546.678634][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.678634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.678634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.678634][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.678634][   T10]      netlink_unicast+0x449/0x710
[ 1546.678634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.678634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.678634][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.678634][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.678634][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.678634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.678634][   T10] 
[ 1546.680504][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1546.680504][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1546.680504][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1546.680504][   T10]      ipv6_find_idev+0x102/0x170
[ 1546.680504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1546.680504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1546.680504][   T10]      netlink_rcv_skb+0x130/0x360
[ 1546.680504][   T10]      netlink_unicast+0x449/0x710
[ 1546.680504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1546.680504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1546.680504][   T10]      ___sys_sendmsg+0xee/0x170
[ 1546.680504][   T10]      __sys_sendmsg+0xcd/0x170
[ 1546.680504][   T10]      do_syscall_64+0xc6/0x1e0
[ 1546.680504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1546.680504][   T10] 
[ 1556.920702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1556.921150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.921150][   T10]      dst_init+0x84/0x4a0
[ 1556.921150][   T10]      dst_alloc+0x97/0x150
[ 1556.921150][   T10]      ip6_dst_alloc+0x23/0x90
[ 1556.921150][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1556.921150][   T10]      ip6_pol_route+0x56f/0x840
[ 1556.921150][   T10]      fib6_rule_lookup+0x456/0x630
[ 1556.921150][   T10]      ip6_route_input+0x59c/0xa50
[ 1556.921150][   T10]      ipv6_rcv+0x397/0x810
[ 1556.921150][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1556.921150][   T10]      process_backlog+0x101/0x620
[ 1556.921150][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1556.921150][   T10]      net_rx_action+0x495/0xbe0
[ 1556.921150][   T10]      __do_softirq+0x1b5/0x7f6
[ 1556.921150][   T10] 
[ 1556.922847][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.922847][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1556.922847][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1556.922847][   T10]      fib6_nh_init+0xa22/0x1580
[ 1556.922847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.922847][   T10]      ip6_route_add+0x1c/0x140
[ 1556.922847][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1556.922847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.922847][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.922847][   T10]      netlink_unicast+0x449/0x710
[ 1556.922847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.922847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.922847][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.922847][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.922847][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.922847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.922847][   T10] 
[ 1556.924743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.924743][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.924743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.924743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.924743][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1556.924743][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1556.924743][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1556.924743][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1556.924743][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1556.924743][   T10]      addrconf_dad_begin+0x310/0x670
[ 1556.924743][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1556.924743][   T10]      process_one_work+0x84d/0x18a0
[ 1556.924743][   T10]      worker_thread+0x587/0xd30
[ 1556.924743][   T10]      kthread+0x28a/0x350
[ 1556.924743][   T10]      ret_from_fork+0x31/0x70
[ 1556.924743][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1556.924743][   T10] 
[ 1556.926656][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.926656][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.926656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.926656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.926656][   T10]      ip6_route_add+0x1c/0x140
[ 1556.926656][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1556.926656][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1556.926656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.926656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.926656][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.926656][   T10]      netlink_unicast+0x449/0x710
[ 1556.926656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.926656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.926656][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.926656][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.926656][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.926656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.926656][   T10] 
[ 1556.928664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.928664][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.928664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.928664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.928664][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1556.928664][   T10]      ipv6_add_addr+0x411/0x2000
[ 1556.928664][   T10]      inet6_addr_add+0x30e/0xa40
[ 1556.928664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.928664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.928664][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.928664][   T10]      netlink_unicast+0x449/0x710
[ 1556.928664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.928664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.928664][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.928664][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.928664][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.928664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.928664][   T10] 
[ 1556.930678][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.930678][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.930678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.930678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.930678][   T10]      ip6_route_add+0x1c/0x140
[ 1556.930678][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1556.930678][   T10]      addrconf_add_dev+0xe2/0x170
[ 1556.930678][   T10]      inet6_addr_add+0x12f/0xa40
[ 1556.930678][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.930678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.930678][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.930678][   T10]      netlink_unicast+0x449/0x710
[ 1556.930678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.930678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.930678][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.930678][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.930678][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.930678][   T10] 
[ 1556.932650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.932650][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1556.932650][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.932650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.932650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.932650][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.932650][   T10]      netlink_unicast+0x449/0x710
[ 1556.932650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.932650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.932650][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.932650][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.932650][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.932650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.932650][   T10] 
[ 1556.934194][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1556.934194][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1556.934194][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1556.934194][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.934194][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.934194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.934194][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.934194][   T10]      netlink_unicast+0x449/0x710
[ 1556.934194][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.934194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.934194][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.934194][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.934194][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.934194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.934194][   T10] 
[ 1556.935907][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1556.936146][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.936146][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1556.936146][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1556.936146][   T10]      fib6_nh_init+0xa22/0x1580
[ 1556.936146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.936146][   T10]      ip6_route_add+0x1c/0x140
[ 1556.936146][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1556.936146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.936146][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.936146][   T10]      netlink_unicast+0x449/0x710
[ 1556.936146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.936146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.936146][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.936146][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.936146][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.936146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.936146][   T10] 
[ 1556.938210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.938210][   T10]      dst_init+0x84/0x4a0
[ 1556.938210][   T10]      dst_alloc+0x97/0x150
[ 1556.938210][   T10]      ip6_dst_alloc+0x23/0x90
[ 1556.938210][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1556.938210][   T10]      ip6_pol_route+0x56f/0x840
[ 1556.938210][   T10]      fib6_rule_lookup+0x456/0x630
[ 1556.938210][   T10]      ip6_route_input+0x59c/0xa50
[ 1556.938210][   T10]      ipv6_rcv+0x397/0x810
[ 1556.938210][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1556.938210][   T10]      process_backlog+0x101/0x620
[ 1556.938210][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1556.938210][   T10]      net_rx_action+0x495/0xbe0
[ 1556.938210][   T10]      __do_softirq+0x1b5/0x7f6
[ 1556.938210][   T10] 
[ 1556.939935][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.939935][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.939935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.939935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.939935][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1556.939935][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1556.939935][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1556.939935][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1556.939935][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1556.939935][   T10]      addrconf_dad_begin+0x310/0x670
[ 1556.939935][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1556.939935][   T10]      process_one_work+0x84d/0x18a0
[ 1556.939935][   T10]      worker_thread+0x587/0xd30
[ 1556.939935][   T10]      kthread+0x28a/0x350
[ 1556.939935][   T10]      ret_from_fork+0x31/0x70
[ 1556.939935][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1556.939935][   T10] 
[ 1556.941946][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.941946][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.941946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.941946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.941946][   T10]      ip6_route_add+0x1c/0x140
[ 1556.941946][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1556.941946][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1556.941946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.941946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.941946][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.941946][   T10]      netlink_unicast+0x449/0x710
[ 1556.941946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.941946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.941946][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.941946][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.941946][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.941946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.941946][   T10] 
[ 1556.944039][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.944039][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.944039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.944039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.944039][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1556.944039][   T10]      ipv6_add_addr+0x411/0x2000
[ 1556.944039][   T10]      inet6_addr_add+0x30e/0xa40
[ 1556.944039][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.944039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.944039][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.944039][   T10]      netlink_unicast+0x449/0x710
[ 1556.944039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.944039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.944039][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.944039][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.944039][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.944039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.944039][   T10] 
[ 1556.946161][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.946161][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.946161][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.946161][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.946161][   T10]      ip6_route_add+0x1c/0x140
[ 1556.946161][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1556.946161][   T10]      addrconf_add_dev+0xe2/0x170
[ 1556.946161][   T10]      inet6_addr_add+0x12f/0xa40
[ 1556.946161][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.946161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.946161][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.946161][   T10]      netlink_unicast+0x449/0x710
[ 1556.946161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.946161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.946161][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.946161][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.946161][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.946161][   T10] 
[ 1556.948409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.948409][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1556.948409][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.948409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.948409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.948409][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.948409][   T10]      netlink_unicast+0x449/0x710
[ 1556.948409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.948409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.948409][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.948409][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.948409][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.948409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.948409][   T10] 
[ 1556.950217][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1556.950217][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1556.950217][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1556.950217][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.950217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.950217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.950217][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.950217][   T10]      netlink_unicast+0x449/0x710
[ 1556.950217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.950217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.950217][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.950217][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.950217][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.950217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.950217][   T10] 
[ 1556.952216][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1556.952524][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1556.952524][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.952524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.952524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.952524][   T10]      ip6_route_add+0x1c/0x140
[ 1556.952524][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1556.952524][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1556.952524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.952524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.952524][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.952524][   T10]      netlink_unicast+0x449/0x710
[ 1556.952524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.952524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.952524][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.952524][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.952524][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.952524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.952524][   T10] 
[ 1556.954734][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1556.954734][   T10]      netdev_get_by_index+0x5e/0x80
[ 1556.954734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1556.954734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1556.954734][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1556.954734][   T10]      ipv6_add_addr+0x411/0x2000
[ 1556.954734][   T10]      inet6_addr_add+0x30e/0xa40
[ 1556.954734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1556.954734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.954734][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.954734][   T10]      netlink_unicast+0x449/0x710
[ 1556.954734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.954734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.954734][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.954734][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.954734][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.954734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.954734][   T10] 
[ 1556.957060][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1556.957060][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1556.957060][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.957060][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.957060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.957060][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.957060][   T10]      netlink_unicast+0x449/0x710
[ 1556.957060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.957060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.957060][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.957060][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.957060][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.957060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.957060][   T10] 
[ 1556.958853][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1556.958853][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1556.958853][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1556.958853][   T10]      ipv6_find_idev+0x102/0x170
[ 1556.958853][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1556.958853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1556.958853][   T10]      netlink_rcv_skb+0x130/0x360
[ 1556.958853][   T10]      netlink_unicast+0x449/0x710
[ 1556.958853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1556.958853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1556.958853][   T10]      ___sys_sendmsg+0xee/0x170
[ 1556.958853][   T10]      __sys_sendmsg+0xcd/0x170
[ 1556.958853][   T10]      do_syscall_64+0xc6/0x1e0
[ 1556.958853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1556.958853][   T10] 
[ 1567.200708][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1567.201151][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.201151][   T10]      dst_init+0x84/0x4a0
[ 1567.201151][   T10]      dst_alloc+0x97/0x150
[ 1567.201151][   T10]      ip6_dst_alloc+0x23/0x90
[ 1567.201151][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1567.201151][   T10]      ip6_pol_route+0x56f/0x840
[ 1567.201151][   T10]      fib6_rule_lookup+0x456/0x630
[ 1567.201151][   T10]      ip6_route_input+0x59c/0xa50
[ 1567.201151][   T10]      ipv6_rcv+0x397/0x810
[ 1567.201151][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1567.201151][   T10]      process_backlog+0x101/0x620
[ 1567.201151][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1567.201151][   T10]      net_rx_action+0x495/0xbe0
[ 1567.201151][   T10]      __do_softirq+0x1b5/0x7f6
[ 1567.201151][   T10] 
[ 1567.203071][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.203071][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1567.203071][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1567.203071][   T10]      fib6_nh_init+0xa22/0x1580
[ 1567.203071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.203071][   T10]      ip6_route_add+0x1c/0x140
[ 1567.203071][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1567.203071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.203071][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.203071][   T10]      netlink_unicast+0x449/0x710
[ 1567.203071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.203071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.203071][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.203071][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.203071][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.203071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.203071][   T10] 
[ 1567.205179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.205179][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.205179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.205179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.205179][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1567.205179][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1567.205179][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1567.205179][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1567.205179][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1567.205179][   T10]      addrconf_dad_begin+0x310/0x670
[ 1567.205179][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1567.205179][   T10]      process_one_work+0x84d/0x18a0
[ 1567.205179][   T10]      worker_thread+0x587/0xd30
[ 1567.205179][   T10]      kthread+0x28a/0x350
[ 1567.205179][   T10]      ret_from_fork+0x31/0x70
[ 1567.205179][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1567.205179][   T10] 
[ 1567.207367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.207367][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.207367][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.207367][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.207367][   T10]      ip6_route_add+0x1c/0x140
[ 1567.207367][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1567.207367][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1567.207367][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.207367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.207367][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.207367][   T10]      netlink_unicast+0x449/0x710
[ 1567.207367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.207367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.207367][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.207367][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.207367][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.207367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.207367][   T10] 
[ 1567.209705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.209705][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.209705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.209705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.209705][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1567.209705][   T10]      ipv6_add_addr+0x411/0x2000
[ 1567.209705][   T10]      inet6_addr_add+0x30e/0xa40
[ 1567.209705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.209705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.209705][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.209705][   T10]      netlink_unicast+0x449/0x710
[ 1567.209705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.209705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.209705][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.209705][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.209705][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.209705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.209705][   T10] 
[ 1567.212007][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.212007][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.212007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.212007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.212007][   T10]      ip6_route_add+0x1c/0x140
[ 1567.212007][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1567.212007][   T10]      addrconf_add_dev+0xe2/0x170
[ 1567.212007][   T10]      inet6_addr_add+0x12f/0xa40
[ 1567.212007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.212007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.212007][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.212007][   T10]      netlink_unicast+0x449/0x710
[ 1567.212007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.212007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.212007][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.212007][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.212007][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.212007][   T10] 
[ 1567.214227][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.214227][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1567.214227][   T10]      ipv6_find_idev+0x102/0x170
[ 1567.214227][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1567.214227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.214227][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.214227][   T10]      netlink_unicast+0x449/0x710
[ 1567.214227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.214227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.214227][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.214227][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.214227][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.214227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.214227][   T10] 
[ 1567.216058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1567.216058][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1567.216058][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1567.216058][   T10]      ipv6_find_idev+0x102/0x170
[ 1567.216058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1567.216058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.216058][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.216058][   T10]      netlink_unicast+0x449/0x710
[ 1567.216058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.216058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.216058][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.216058][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.216058][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.216058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.216058][   T10] 
[ 1567.217984][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1567.218290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.218290][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1567.218290][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1567.218290][   T10]      fib6_nh_init+0xa22/0x1580
[ 1567.218290][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.218290][   T10]      ip6_route_add+0x1c/0x140
[ 1567.218290][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1567.218290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.218290][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.218290][   T10]      netlink_unicast+0x449/0x710
[ 1567.218290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.218290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.218290][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.218290][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.218290][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.218290][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.218290][   T10] 
[ 1567.220443][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.220443][   T10]      dst_init+0x84/0x4a0
[ 1567.220443][   T10]      dst_alloc+0x97/0x150
[ 1567.220443][   T10]      ip6_dst_alloc+0x23/0x90
[ 1567.220443][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1567.220443][   T10]      ip6_pol_route+0x56f/0x840
[ 1567.220443][   T10]      fib6_rule_lookup+0x456/0x630
[ 1567.220443][   T10]      ip6_route_input+0x59c/0xa50
[ 1567.220443][   T10]      ipv6_rcv+0x397/0x810
[ 1567.220443][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1567.220443][   T10]      process_backlog+0x101/0x620
[ 1567.220443][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1567.220443][   T10]      net_rx_action+0x495/0xbe0
[ 1567.220443][   T10]      __do_softirq+0x1b5/0x7f6
[ 1567.220443][   T10] 
[ 1567.222276][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.222276][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.222276][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.222276][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.222276][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1567.222276][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1567.222276][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1567.222276][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1567.222276][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1567.222276][   T10]      addrconf_dad_begin+0x310/0x670
[ 1567.222276][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1567.222276][   T10]      process_one_work+0x84d/0x18a0
[ 1567.222276][   T10]      worker_thread+0x587/0xd30
[ 1567.222276][   T10]      kthread+0x28a/0x350
[ 1567.222276][   T10]      ret_from_fork+0x31/0x70
[ 1567.222276][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1567.222276][   T10] 
[ 1567.224389][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.224389][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.224389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.224389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.224389][   T10]      ip6_route_add+0x1c/0x140
[ 1567.224389][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1567.224389][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1567.224389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.224389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.224389][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.224389][   T10]      netlink_unicast+0x449/0x710
[ 1567.224389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.224389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.224389][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.224389][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.224389][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.224389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.224389][   T10] 
[ 1567.226608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.226608][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.226608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.226608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.226608][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1567.226608][   T10]      ipv6_add_addr+0x411/0x2000
[ 1567.226608][   T10]      inet6_addr_add+0x30e/0xa40
[ 1567.226608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.226608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.226608][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.226608][   T10]      netlink_unicast+0x449/0x710
[ 1567.226608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.226608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.226608][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.226608][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.226608][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.226608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.226608][   T10] 
[ 1567.228934][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.228934][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.228934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.228934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.228934][   T10]      ip6_route_add+0x1c/0x140
[ 1567.228934][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1567.228934][   T10]      addrconf_add_dev+0xe2/0x170
[ 1567.228934][   T10]      inet6_addr_add+0x12f/0xa40
[ 1567.228934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.228934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.228934][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.228934][   T10]      netlink_unicast+0x449/0x710
[ 1567.228934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.228934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.228934][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.228934][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.228934][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.228934][   T10] 
[ 1567.231263][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.231263][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1567.231263][   T10]      ipv6_find_idev+0x102/0x170
[ 1567.231263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1567.231263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.231263][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.231263][   T10]      netlink_unicast+0x449/0x710
[ 1567.231263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.231263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.231263][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.231263][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.231263][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.231263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.231263][   T10] 
[ 1567.233100][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1567.233100][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1567.233100][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1567.233100][   T10]      ipv6_find_idev+0x102/0x170
[ 1567.233100][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1567.233100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.233100][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.233100][   T10]      netlink_unicast+0x449/0x710
[ 1567.233100][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.233100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.233100][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.233100][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.233100][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.233100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.233100][   T10] 
[ 1567.235038][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1567.235305][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1567.235305][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.235305][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.235305][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.235305][   T10]      ip6_route_add+0x1c/0x140
[ 1567.235305][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1567.235305][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1567.235305][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.235305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.235305][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.235305][   T10]      netlink_unicast+0x449/0x710
[ 1567.235305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.235305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.235305][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.235305][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.235305][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.235305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.235305][   T10] 
[ 1567.237664][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1567.237664][   T10]      netdev_get_by_index+0x5e/0x80
[ 1567.237664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1567.237664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1567.237664][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1567.237664][   T10]      ipv6_add_addr+0x411/0x2000
[ 1567.237664][   T10]      inet6_addr_add+0x30e/0xa40
[ 1567.237664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1567.237664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.237664][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.237664][   T10]      netlink_unicast+0x449/0x710
[ 1567.237664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.237664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.237664][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.237664][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.237664][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.237664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.237664][   T10] 
[ 1567.240099][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1567.240099][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1567.240099][   T10]      ipv6_find_idev+0x102/0x170
[ 1567.240099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1567.240099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.240099][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.240099][   T10]      netlink_unicast+0x449/0x710
[ 1567.240099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.240099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.240099][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.240099][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.240099][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.240099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.240099][   T10] 
[ 1567.241933][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1567.241933][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1567.241933][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1567.241933][   T10]      ipv6_find_idev+0x102/0x170
[ 1567.241933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1567.241933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1567.241933][   T10]      netlink_rcv_skb+0x130/0x360
[ 1567.241933][   T10]      netlink_unicast+0x449/0x710
[ 1567.241933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1567.241933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1567.241933][   T10]      ___sys_sendmsg+0xee/0x170
[ 1567.241933][   T10]      __sys_sendmsg+0xcd/0x170
[ 1567.241933][   T10]      do_syscall_64+0xc6/0x1e0
[ 1567.241933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1567.241933][   T10] 
[ 1577.456702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1577.457153][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.457153][   T10]      dst_init+0x84/0x4a0
[ 1577.457153][   T10]      dst_alloc+0x97/0x150
[ 1577.457153][   T10]      ip6_dst_alloc+0x23/0x90
[ 1577.457153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1577.457153][   T10]      ip6_pol_route+0x56f/0x840
[ 1577.457153][   T10]      fib6_rule_lookup+0x456/0x630
[ 1577.457153][   T10]      ip6_route_input+0x59c/0xa50
[ 1577.457153][   T10]      ipv6_rcv+0x397/0x810
[ 1577.457153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1577.457153][   T10]      process_backlog+0x101/0x620
[ 1577.457153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1577.457153][   T10]      net_rx_action+0x495/0xbe0
[ 1577.457153][   T10]      __do_softirq+0x1b5/0x7f6
[ 1577.457153][   T10] 
[ 1577.459058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.459058][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1577.459058][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1577.459058][   T10]      fib6_nh_init+0xa22/0x1580
[ 1577.459058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.459058][   T10]      ip6_route_add+0x1c/0x140
[ 1577.459058][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1577.459058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.459058][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.459058][   T10]      netlink_unicast+0x449/0x710
[ 1577.459058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.459058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.459058][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.459058][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.459058][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.459058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.459058][   T10] 
[ 1577.461232][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.461232][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.461232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.461232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.461232][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1577.461232][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1577.461232][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1577.461232][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1577.461232][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1577.461232][   T10]      addrconf_dad_begin+0x310/0x670
[ 1577.461232][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1577.461232][   T10]      process_one_work+0x84d/0x18a0
[ 1577.461232][   T10]      worker_thread+0x587/0xd30
[ 1577.461232][   T10]      kthread+0x28a/0x350
[ 1577.461232][   T10]      ret_from_fork+0x31/0x70
[ 1577.461232][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1577.461232][   T10] 
[ 1577.463367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.463367][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.463367][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.463367][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.463367][   T10]      ip6_route_add+0x1c/0x140
[ 1577.463367][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1577.463367][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1577.463367][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.463367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.463367][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.463367][   T10]      netlink_unicast+0x449/0x710
[ 1577.463367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.463367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.463367][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.463367][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.463367][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.463367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.463367][   T10] 
[ 1577.465583][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.465583][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.465583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.465583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.465583][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1577.465583][   T10]      ipv6_add_addr+0x411/0x2000
[ 1577.465583][   T10]      inet6_addr_add+0x30e/0xa40
[ 1577.465583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.465583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.465583][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.465583][   T10]      netlink_unicast+0x449/0x710
[ 1577.465583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.465583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.465583][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.465583][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.465583][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.465583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.465583][   T10] 
[ 1577.467800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.467800][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.467800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.467800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.467800][   T10]      ip6_route_add+0x1c/0x140
[ 1577.467800][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1577.467800][   T10]      addrconf_add_dev+0xe2/0x170
[ 1577.467800][   T10]      inet6_addr_add+0x12f/0xa40
[ 1577.467800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.467800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.467800][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.467800][   T10]      netlink_unicast+0x449/0x710
[ 1577.467800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.467800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.467800][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.467800][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.467800][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.467800][   T10] 
[ 1577.470064][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.470064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1577.470064][   T10]      ipv6_find_idev+0x102/0x170
[ 1577.470064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1577.470064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.470064][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.470064][   T10]      netlink_unicast+0x449/0x710
[ 1577.470064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.470064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.470064][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.470064][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.470064][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.470064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.470064][   T10] 
[ 1577.471775][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1577.471775][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1577.471775][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1577.471775][   T10]      ipv6_find_idev+0x102/0x170
[ 1577.471775][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1577.471775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.471775][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.471775][   T10]      netlink_unicast+0x449/0x710
[ 1577.471775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.471775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.471775][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.471775][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.471775][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.471775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.471775][   T10] 
[ 1577.473711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1577.473973][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.473973][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1577.473973][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1577.473973][   T10]      fib6_nh_init+0xa22/0x1580
[ 1577.473973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.473973][   T10]      ip6_route_add+0x1c/0x140
[ 1577.473973][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1577.473973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.473973][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.473973][   T10]      netlink_unicast+0x449/0x710
[ 1577.473973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.473973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.473973][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.473973][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.473973][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.473973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.473973][   T10] 
[ 1577.476098][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.476098][   T10]      dst_init+0x84/0x4a0
[ 1577.476098][   T10]      dst_alloc+0x97/0x150
[ 1577.476098][   T10]      ip6_dst_alloc+0x23/0x90
[ 1577.476098][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1577.476098][   T10]      ip6_pol_route+0x56f/0x840
[ 1577.476098][   T10]      fib6_rule_lookup+0x456/0x630
[ 1577.476098][   T10]      ip6_route_input+0x59c/0xa50
[ 1577.476098][   T10]      ipv6_rcv+0x397/0x810
[ 1577.476098][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1577.476098][   T10]      process_backlog+0x101/0x620
[ 1577.476098][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1577.476098][   T10]      net_rx_action+0x495/0xbe0
[ 1577.476098][   T10]      __do_softirq+0x1b5/0x7f6
[ 1577.476098][   T10] 
[ 1577.477914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.477914][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.477914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.477914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.477914][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1577.477914][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1577.477914][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1577.477914][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1577.477914][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1577.477914][   T10]      addrconf_dad_begin+0x310/0x670
[ 1577.477914][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1577.477914][   T10]      process_one_work+0x84d/0x18a0
[ 1577.477914][   T10]      worker_thread+0x587/0xd30
[ 1577.477914][   T10]      kthread+0x28a/0x350
[ 1577.477914][   T10]      ret_from_fork+0x31/0x70
[ 1577.477914][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1577.477914][   T10] 
[ 1577.480096][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.480096][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.480096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.480096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.480096][   T10]      ip6_route_add+0x1c/0x140
[ 1577.480096][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1577.480096][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1577.480096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.480096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.480096][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.480096][   T10]      netlink_unicast+0x449/0x710
[ 1577.480096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.480096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.480096][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.480096][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.480096][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.480096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.480096][   T10] 
[ 1577.482388][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.482388][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.482388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.482388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.482388][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1577.482388][   T10]      ipv6_add_addr+0x411/0x2000
[ 1577.482388][   T10]      inet6_addr_add+0x30e/0xa40
[ 1577.482388][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.482388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.482388][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.482388][   T10]      netlink_unicast+0x449/0x710
[ 1577.482388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.482388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.482388][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.482388][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.482388][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.482388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.482388][   T10] 
[ 1577.484608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.484608][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.484608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.484608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.484608][   T10]      ip6_route_add+0x1c/0x140
[ 1577.484608][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1577.484608][   T10]      addrconf_add_dev+0xe2/0x170
[ 1577.484608][   T10]      inet6_addr_add+0x12f/0xa40
[ 1577.484608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.484608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.484608][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.484608][   T10]      netlink_unicast+0x449/0x710
[ 1577.484608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.484608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.484608][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.484608][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.484608][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.484608][   T10] 
[ 1577.486965][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.486965][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1577.486965][   T10]      ipv6_find_idev+0x102/0x170
[ 1577.486965][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1577.486965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.486965][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.486965][   T10]      netlink_unicast+0x449/0x710
[ 1577.486965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.486965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.486965][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.486965][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.486965][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.486965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.486965][   T10] 
[ 1577.488890][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1577.488890][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1577.488890][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1577.488890][   T10]      ipv6_find_idev+0x102/0x170
[ 1577.488890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1577.488890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.488890][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.488890][   T10]      netlink_unicast+0x449/0x710
[ 1577.488890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.488890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.488890][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.488890][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.488890][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.488890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.488890][   T10] 
[ 1577.491070][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1577.491336][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1577.491336][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.491336][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.491336][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.491336][   T10]      ip6_route_add+0x1c/0x140
[ 1577.491336][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1577.491336][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1577.491336][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.491336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.491336][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.491336][   T10]      netlink_unicast+0x449/0x710
[ 1577.491336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.491336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.491336][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.491336][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.491336][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.491336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.491336][   T10] 
[ 1577.493783][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1577.493783][   T10]      netdev_get_by_index+0x5e/0x80
[ 1577.493783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1577.493783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1577.493783][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1577.493783][   T10]      ipv6_add_addr+0x411/0x2000
[ 1577.493783][   T10]      inet6_addr_add+0x30e/0xa40
[ 1577.493783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1577.493783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.493783][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.493783][   T10]      netlink_unicast+0x449/0x710
[ 1577.493783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.493783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.493783][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.493783][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.493783][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.493783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.493783][   T10] 
[ 1577.496217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1577.496217][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1577.496217][   T10]      ipv6_find_idev+0x102/0x170
[ 1577.496217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1577.496217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.496217][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.496217][   T10]      netlink_unicast+0x449/0x710
[ 1577.496217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.496217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.496217][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.496217][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.496217][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.496217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.496217][   T10] 
[ 1577.498110][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1577.498110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1577.498110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1577.498110][   T10]      ipv6_find_idev+0x102/0x170
[ 1577.498110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1577.498110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1577.498110][   T10]      netlink_rcv_skb+0x130/0x360
[ 1577.498110][   T10]      netlink_unicast+0x449/0x710
[ 1577.498110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1577.498110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1577.498110][   T10]      ___sys_sendmsg+0xee/0x170
[ 1577.498110][   T10]      __sys_sendmsg+0xcd/0x170
[ 1577.498110][   T10]      do_syscall_64+0xc6/0x1e0
[ 1577.498110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1577.498110][   T10] 
[ 1587.752705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1587.753150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.753150][   T10]      dst_init+0x84/0x4a0
[ 1587.753150][   T10]      dst_alloc+0x97/0x150
[ 1587.753150][   T10]      ip6_dst_alloc+0x23/0x90
[ 1587.753150][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1587.753150][   T10]      ip6_pol_route+0x56f/0x840
[ 1587.753150][   T10]      fib6_rule_lookup+0x456/0x630
[ 1587.753150][   T10]      ip6_route_input+0x59c/0xa50
[ 1587.753150][   T10]      ipv6_rcv+0x397/0x810
[ 1587.753150][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1587.753150][   T10]      process_backlog+0x101/0x620
[ 1587.753150][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1587.753150][   T10]      net_rx_action+0x495/0xbe0
[ 1587.753150][   T10]      __do_softirq+0x1b5/0x7f6
[ 1587.753150][   T10] 
[ 1587.754850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.754850][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1587.754850][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1587.754850][   T10]      fib6_nh_init+0xa22/0x1580
[ 1587.754850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.754850][   T10]      ip6_route_add+0x1c/0x140
[ 1587.754850][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1587.754850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.754850][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.754850][   T10]      netlink_unicast+0x449/0x710
[ 1587.754850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.754850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.754850][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.754850][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.754850][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.754850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.754850][   T10] 
[ 1587.756746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.756746][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.756746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.756746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.756746][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1587.756746][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1587.756746][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1587.756746][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1587.756746][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1587.756746][   T10]      addrconf_dad_begin+0x310/0x670
[ 1587.756746][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1587.756746][   T10]      process_one_work+0x84d/0x18a0
[ 1587.756746][   T10]      worker_thread+0x587/0xd30
[ 1587.756746][   T10]      kthread+0x28a/0x350
[ 1587.756746][   T10]      ret_from_fork+0x31/0x70
[ 1587.756746][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1587.756746][   T10] 
[ 1587.758664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.758664][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.758664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.758664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.758664][   T10]      ip6_route_add+0x1c/0x140
[ 1587.758664][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1587.758664][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1587.758664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.758664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.758664][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.758664][   T10]      netlink_unicast+0x449/0x710
[ 1587.758664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.758664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.758664][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.758664][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.758664][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.758664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.758664][   T10] 
[ 1587.760676][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.760676][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.760676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.760676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.760676][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1587.760676][   T10]      ipv6_add_addr+0x411/0x2000
[ 1587.760676][   T10]      inet6_addr_add+0x30e/0xa40
[ 1587.760676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.760676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.760676][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.760676][   T10]      netlink_unicast+0x449/0x710
[ 1587.760676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.760676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.760676][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.760676][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.760676][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.760676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.760676][   T10] 
[ 1587.762704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.762704][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.762704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.762704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.762704][   T10]      ip6_route_add+0x1c/0x140
[ 1587.762704][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1587.762704][   T10]      addrconf_add_dev+0xe2/0x170
[ 1587.762704][   T10]      inet6_addr_add+0x12f/0xa40
[ 1587.762704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.762704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.762704][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.762704][   T10]      netlink_unicast+0x449/0x710
[ 1587.762704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.762704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.762704][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.762704][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.762704][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.762704][   T10] 
[ 1587.764672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.764672][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1587.764672][   T10]      ipv6_find_idev+0x102/0x170
[ 1587.764672][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1587.764672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.764672][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.764672][   T10]      netlink_unicast+0x449/0x710
[ 1587.764672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.764672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.764672][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.764672][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.764672][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.764672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.764672][   T10] 
[ 1587.766220][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1587.766220][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1587.766220][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1587.766220][   T10]      ipv6_find_idev+0x102/0x170
[ 1587.766220][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1587.766220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.766220][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.766220][   T10]      netlink_unicast+0x449/0x710
[ 1587.766220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.766220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.766220][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.766220][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.766220][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.766220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.766220][   T10] 
[ 1587.767932][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1587.768173][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.768173][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1587.768173][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1587.768173][   T10]      fib6_nh_init+0xa22/0x1580
[ 1587.768173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.768173][   T10]      ip6_route_add+0x1c/0x140
[ 1587.768173][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1587.768173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.768173][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.768173][   T10]      netlink_unicast+0x449/0x710
[ 1587.768173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.768173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.768173][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.768173][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.768173][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.768173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.768173][   T10] 
[ 1587.770052][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.770052][   T10]      dst_init+0x84/0x4a0
[ 1587.770052][   T10]      dst_alloc+0x97/0x150
[ 1587.770052][   T10]      ip6_dst_alloc+0x23/0x90
[ 1587.770052][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1587.770052][   T10]      ip6_pol_route+0x56f/0x840
[ 1587.770052][   T10]      fib6_rule_lookup+0x456/0x630
[ 1587.770052][   T10]      ip6_route_input+0x59c/0xa50
[ 1587.770052][   T10]      ipv6_rcv+0x397/0x810
[ 1587.770052][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1587.770052][   T10]      process_backlog+0x101/0x620
[ 1587.770052][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1587.770052][   T10]      net_rx_action+0x495/0xbe0
[ 1587.770052][   T10]      __do_softirq+0x1b5/0x7f6
[ 1587.770052][   T10] 
[ 1587.771697][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.771697][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.771697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.771697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.771697][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1587.771697][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1587.771697][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1587.771697][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1587.771697][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1587.771697][   T10]      addrconf_dad_begin+0x310/0x670
[ 1587.771697][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1587.771697][   T10]      process_one_work+0x84d/0x18a0
[ 1587.771697][   T10]      worker_thread+0x587/0xd30
[ 1587.771697][   T10]      kthread+0x28a/0x350
[ 1587.771697][   T10]      ret_from_fork+0x31/0x70
[ 1587.771697][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1587.771697][   T10] 
[ 1587.773616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.773616][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.773616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.773616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.773616][   T10]      ip6_route_add+0x1c/0x140
[ 1587.773616][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1587.773616][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1587.773616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.773616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.773616][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.773616][   T10]      netlink_unicast+0x449/0x710
[ 1587.773616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.773616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.773616][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.773616][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.773616][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.773616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.773616][   T10] 
[ 1587.775628][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.775628][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.775628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.775628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.775628][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1587.775628][   T10]      ipv6_add_addr+0x411/0x2000
[ 1587.775628][   T10]      inet6_addr_add+0x30e/0xa40
[ 1587.775628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.775628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.775628][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.775628][   T10]      netlink_unicast+0x449/0x710
[ 1587.775628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.775628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.775628][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.775628][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.775628][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.775628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.775628][   T10] 
[ 1587.777638][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.777638][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.777638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.777638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.777638][   T10]      ip6_route_add+0x1c/0x140
[ 1587.777638][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1587.777638][   T10]      addrconf_add_dev+0xe2/0x170
[ 1587.777638][   T10]      inet6_addr_add+0x12f/0xa40
[ 1587.777638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.777638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.777638][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.777638][   T10]      netlink_unicast+0x449/0x710
[ 1587.777638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.777638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.777638][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.777638][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.777638][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.777638][   T10] 
[ 1587.779741][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.779741][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1587.779741][   T10]      ipv6_find_idev+0x102/0x170
[ 1587.779741][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1587.779741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.779741][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.779741][   T10]      netlink_unicast+0x449/0x710
[ 1587.779741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.779741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.779741][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.779741][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.779741][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.779741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.779741][   T10] 
[ 1587.781525][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1587.781525][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1587.781525][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1587.781525][   T10]      ipv6_find_idev+0x102/0x170
[ 1587.781525][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1587.781525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.781525][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.781525][   T10]      netlink_unicast+0x449/0x710
[ 1587.781525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.781525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.781525][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.781525][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.781525][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.781525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.781525][   T10] 
[ 1587.783373][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1587.783690][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1587.783690][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.783690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.783690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.783690][   T10]      ip6_route_add+0x1c/0x140
[ 1587.783690][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1587.783690][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1587.783690][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.783690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.783690][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.783690][   T10]      netlink_unicast+0x449/0x710
[ 1587.783690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.783690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.783690][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.783690][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.783690][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.783690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.783690][   T10] 
[ 1587.785928][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1587.785928][   T10]      netdev_get_by_index+0x5e/0x80
[ 1587.785928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1587.785928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1587.785928][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1587.785928][   T10]      ipv6_add_addr+0x411/0x2000
[ 1587.785928][   T10]      inet6_addr_add+0x30e/0xa40
[ 1587.785928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1587.785928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.785928][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.785928][   T10]      netlink_unicast+0x449/0x710
[ 1587.785928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.785928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.785928][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.785928][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.785928][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.785928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.785928][   T10] 
[ 1587.788108][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1587.788108][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1587.788108][   T10]      ipv6_find_idev+0x102/0x170
[ 1587.788108][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1587.788108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.788108][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.788108][   T10]      netlink_unicast+0x449/0x710
[ 1587.788108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.788108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.788108][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.788108][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.788108][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.788108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.788108][   T10] 
[ 1587.789842][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1587.789842][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1587.789842][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1587.789842][   T10]      ipv6_find_idev+0x102/0x170
[ 1587.789842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1587.789842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1587.789842][   T10]      netlink_rcv_skb+0x130/0x360
[ 1587.789842][   T10]      netlink_unicast+0x449/0x710
[ 1587.789842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1587.789842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1587.789842][   T10]      ___sys_sendmsg+0xee/0x170
[ 1587.789842][   T10]      __sys_sendmsg+0xcd/0x170
[ 1587.789842][   T10]      do_syscall_64+0xc6/0x1e0
[ 1587.789842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1587.789842][   T10] 
[ 1598.040706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1598.041159][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.041159][   T10]      dst_init+0x84/0x4a0
[ 1598.041159][   T10]      dst_alloc+0x97/0x150
[ 1598.041159][   T10]      ip6_dst_alloc+0x23/0x90
[ 1598.041159][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1598.041159][   T10]      ip6_pol_route+0x56f/0x840
[ 1598.041159][   T10]      fib6_rule_lookup+0x456/0x630
[ 1598.041159][   T10]      ip6_route_input+0x59c/0xa50
[ 1598.041159][   T10]      ipv6_rcv+0x397/0x810
[ 1598.041159][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1598.041159][   T10]      process_backlog+0x101/0x620
[ 1598.041159][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1598.041159][   T10]      net_rx_action+0x495/0xbe0
[ 1598.041159][   T10]      __do_softirq+0x1b5/0x7f6
[ 1598.041159][   T10] 
[ 1598.042836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.042836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1598.042836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1598.042836][   T10]      fib6_nh_init+0xa22/0x1580
[ 1598.042836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.042836][   T10]      ip6_route_add+0x1c/0x140
[ 1598.042836][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1598.042836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.042836][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.042836][   T10]      netlink_unicast+0x449/0x710
[ 1598.042836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.042836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.042836][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.042836][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.042836][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.042836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.042836][   T10] 
[ 1598.044745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.044745][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.044745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.044745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.044745][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1598.044745][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1598.044745][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1598.044745][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1598.044745][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1598.044745][   T10]      addrconf_dad_begin+0x310/0x670
[ 1598.044745][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1598.044745][   T10]      process_one_work+0x84d/0x18a0
[ 1598.044745][   T10]      worker_thread+0x587/0xd30
[ 1598.044745][   T10]      kthread+0x28a/0x350
[ 1598.044745][   T10]      ret_from_fork+0x31/0x70
[ 1598.044745][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1598.044745][   T10] 
[ 1598.046654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.046654][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.046654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.046654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.046654][   T10]      ip6_route_add+0x1c/0x140
[ 1598.046654][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1598.046654][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1598.046654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.046654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.046654][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.046654][   T10]      netlink_unicast+0x449/0x710
[ 1598.046654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.046654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.046654][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.046654][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.046654][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.046654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.046654][   T10] 
[ 1598.048705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.048705][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.048705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.048705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.048705][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1598.048705][   T10]      ipv6_add_addr+0x411/0x2000
[ 1598.048705][   T10]      inet6_addr_add+0x30e/0xa40
[ 1598.048705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.048705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.048705][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.048705][   T10]      netlink_unicast+0x449/0x710
[ 1598.048705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.048705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.048705][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.048705][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.048705][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.048705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.048705][   T10] 
[ 1598.050705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.050705][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.050705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.050705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.050705][   T10]      ip6_route_add+0x1c/0x140
[ 1598.050705][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1598.050705][   T10]      addrconf_add_dev+0xe2/0x170
[ 1598.050705][   T10]      inet6_addr_add+0x12f/0xa40
[ 1598.050705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.050705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.050705][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.050705][   T10]      netlink_unicast+0x449/0x710
[ 1598.050705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.050705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.050705][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.050705][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.050705][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.050705][   T10] 
[ 1598.052697][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.052697][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1598.052697][   T10]      ipv6_find_idev+0x102/0x170
[ 1598.052697][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1598.052697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.052697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.052697][   T10]      netlink_unicast+0x449/0x710
[ 1598.052697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.052697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.052697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.052697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.052697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.052697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.052697][   T10] 
[ 1598.054239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1598.054239][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1598.054239][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1598.054239][   T10]      ipv6_find_idev+0x102/0x170
[ 1598.054239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1598.054239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.054239][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.054239][   T10]      netlink_unicast+0x449/0x710
[ 1598.054239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.054239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.054239][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.054239][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.054239][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.054239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.054239][   T10] 
[ 1598.055934][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1598.056177][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.056177][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1598.056177][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1598.056177][   T10]      fib6_nh_init+0xa22/0x1580
[ 1598.056177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.056177][   T10]      ip6_route_add+0x1c/0x140
[ 1598.056177][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1598.056177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.056177][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.056177][   T10]      netlink_unicast+0x449/0x710
[ 1598.056177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.056177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.056177][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.056177][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.056177][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.056177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.056177][   T10] 
[ 1598.058060][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.058060][   T10]      dst_init+0x84/0x4a0
[ 1598.058060][   T10]      dst_alloc+0x97/0x150
[ 1598.058060][   T10]      ip6_dst_alloc+0x23/0x90
[ 1598.058060][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1598.058060][   T10]      ip6_pol_route+0x56f/0x840
[ 1598.058060][   T10]      fib6_rule_lookup+0x456/0x630
[ 1598.058060][   T10]      ip6_route_input+0x59c/0xa50
[ 1598.058060][   T10]      ipv6_rcv+0x397/0x810
[ 1598.058060][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1598.058060][   T10]      process_backlog+0x101/0x620
[ 1598.058060][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1598.058060][   T10]      net_rx_action+0x495/0xbe0
[ 1598.058060][   T10]      __do_softirq+0x1b5/0x7f6
[ 1598.058060][   T10] 
[ 1598.059694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.059694][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.059694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.059694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.059694][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1598.059694][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1598.059694][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1598.059694][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1598.059694][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1598.059694][   T10]      addrconf_dad_begin+0x310/0x670
[ 1598.059694][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1598.059694][   T10]      process_one_work+0x84d/0x18a0
[ 1598.059694][   T10]      worker_thread+0x587/0xd30
[ 1598.059694][   T10]      kthread+0x28a/0x350
[ 1598.059694][   T10]      ret_from_fork+0x31/0x70
[ 1598.059694][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1598.059694][   T10] 
[ 1598.061610][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.061610][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.061610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.061610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.061610][   T10]      ip6_route_add+0x1c/0x140
[ 1598.061610][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1598.061610][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1598.061610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.061610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.061610][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.061610][   T10]      netlink_unicast+0x449/0x710
[ 1598.061610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.061610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.061610][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.061610][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.061610][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.061610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.061610][   T10] 
[ 1598.063624][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.063624][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.063624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.063624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.063624][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1598.063624][   T10]      ipv6_add_addr+0x411/0x2000
[ 1598.063624][   T10]      inet6_addr_add+0x30e/0xa40
[ 1598.063624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.063624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.063624][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.063624][   T10]      netlink_unicast+0x449/0x710
[ 1598.063624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.063624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.063624][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.063624][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.063624][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.063624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.063624][   T10] 
[ 1598.065630][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.065630][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.065630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.065630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.065630][   T10]      ip6_route_add+0x1c/0x140
[ 1598.065630][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1598.065630][   T10]      addrconf_add_dev+0xe2/0x170
[ 1598.065630][   T10]      inet6_addr_add+0x12f/0xa40
[ 1598.065630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.065630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.065630][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.065630][   T10]      netlink_unicast+0x449/0x710
[ 1598.065630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.065630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.065630][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.065630][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.065630][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.065630][   T10] 
[ 1598.067726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.067726][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1598.067726][   T10]      ipv6_find_idev+0x102/0x170
[ 1598.067726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1598.067726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.067726][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.067726][   T10]      netlink_unicast+0x449/0x710
[ 1598.067726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.067726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.067726][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.067726][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.067726][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.067726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.067726][   T10] 
[ 1598.069447][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1598.069447][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1598.069447][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1598.069447][   T10]      ipv6_find_idev+0x102/0x170
[ 1598.069447][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1598.069447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.069447][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.069447][   T10]      netlink_unicast+0x449/0x710
[ 1598.069447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.069447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.069447][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.069447][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.069447][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.069447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.069447][   T10] 
[ 1598.071402][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1598.071740][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1598.071740][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.071740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.071740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.071740][   T10]      ip6_route_add+0x1c/0x140
[ 1598.071740][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1598.071740][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1598.071740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.071740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.071740][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.071740][   T10]      netlink_unicast+0x449/0x710
[ 1598.071740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.071740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.071740][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.071740][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.071740][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.071740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.071740][   T10] 
[ 1598.073922][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1598.073922][   T10]      netdev_get_by_index+0x5e/0x80
[ 1598.073922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1598.073922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1598.073922][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1598.073922][   T10]      ipv6_add_addr+0x411/0x2000
[ 1598.073922][   T10]      inet6_addr_add+0x30e/0xa40
[ 1598.073922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1598.073922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.073922][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.073922][   T10]      netlink_unicast+0x449/0x710
[ 1598.073922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.073922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.073922][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.073922][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.073922][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.073922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.073922][   T10] 
[ 1598.076090][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1598.076090][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1598.076090][   T10]      ipv6_find_idev+0x102/0x170
[ 1598.076090][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1598.076090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.076090][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.076090][   T10]      netlink_unicast+0x449/0x710
[ 1598.076090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.076090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.076090][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.076090][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.076090][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.076090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.076090][   T10] 
[ 1598.077808][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1598.077808][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1598.077808][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1598.077808][   T10]      ipv6_find_idev+0x102/0x170
[ 1598.077808][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1598.077808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1598.077808][   T10]      netlink_rcv_skb+0x130/0x360
[ 1598.077808][   T10]      netlink_unicast+0x449/0x710
[ 1598.077808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1598.077808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1598.077808][   T10]      ___sys_sendmsg+0xee/0x170
[ 1598.077808][   T10]      __sys_sendmsg+0xcd/0x170
[ 1598.077808][   T10]      do_syscall_64+0xc6/0x1e0
[ 1598.077808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.077808][   T10] 
[ 1598.760794][   T42] INFO: task modprobe:7622 blocked for more than 122 seconds.
[ 1598.761280][   T42]       Not tainted 6.8.0-virtme #1
[ 1598.761431][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1598.761665][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 1598.761922][   T42] Call Trace:
[ 1598.762019][   T42]  <TASK>
[ 1598.762119][   T42]  __schedule+0x705/0x1ac0
[ 1598.762262][   T42]  ? __pfx___schedule+0x10/0x10
[ 1598.762389][   T42]  ? schedule+0x1a5/0x210
[ 1598.762485][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1598.762635][   T42]  ? mark_lock+0x38/0x3e0
[ 1598.762730][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1598.762856][   T42]  ? schedule+0x1a5/0x210
[ 1598.762954][   T42]  schedule+0xdf/0x210
[ 1598.763053][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1598.763174][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1598.763668][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1598.763825][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 1598.763965][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1598.764096][   T42]  ? lock_acquire+0x1c1/0x220
[ 1598.764224][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1598.764356][   T42]  down_write+0x1c9/0x200
[ 1598.764452][   T42]  ? __pfx_down_write+0x10/0x10
[ 1598.764574][   T42]  ? __pfx__printk+0x10/0x10
[ 1598.764715][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1598.764845][   T42]  register_pernet_subsys+0x1a/0x50
[ 1598.764973][   T42]  tcf_register_action+0xa3/0x600
[ 1598.765103][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 1598.765263][   T42]  do_one_initcall+0xc8/0x3f0
[ 1598.765391][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1598.765519][   T42]  ? __create_object+0x5e/0xb0
[ 1598.765672][   T42]  ? kasan_unpoison+0x27/0x60
[ 1598.765804][   T42]  do_init_module+0x233/0x740
[ 1598.765944][   T42]  load_module+0x16b5/0x2350
[ 1598.766084][   T42]  ? __pfx_load_module+0x10/0x10
[ 1598.766207][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1598.766342][   T42]  ? kernel_read_file+0x300/0x520
[ 1598.766471][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1598.766610][   T42]  ? init_module_from_file+0xd2/0x130
[ 1598.766736][   T42]  init_module_from_file+0xd2/0x130
[ 1598.766859][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1598.767013][   T42]  ? __lock_release+0x103/0x460
[ 1598.767141][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1598.767274][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1598.767397][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1598.767529][   T42]  idempotent_init_module+0x342/0x620
[ 1598.767661][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1598.767832][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1598.768002][   T42]  do_syscall_64+0xc6/0x1e0
[ 1598.768132][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1598.768293][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 1598.768427][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1598.768623][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 1598.768811][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 1598.768994][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 1598.769187][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 1598.769372][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 1598.769571][   T42]  </TASK>
[ 1598.769689][   T42] 
[ 1598.769689][   T42] Showing all locks held in the system:
[ 1598.769875][   T42] 3 locks held by kworker/u16:0/10:
[ 1598.770001][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1598.770260][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1598.770481][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1598.770710][   T42] 2 locks held by kworker/u20:0/39:
[ 1598.770835][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1598.771088][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1598.771364][   T42] 1 lock held by khungtaskd/42:
[ 1598.771486][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1598.771720][   T42] 1 lock held by modprobe/7622:
[ 1598.771837][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1598.772088][   T42] 
[ 1598.772153][   T42] =============================================
[ 1598.772153][   T42] 
[ 1608.104702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1608.105181][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.105181][   T10]      dst_init+0x84/0x4a0
[ 1608.105181][   T10]      dst_alloc+0x97/0x150
[ 1608.105181][   T10]      ip6_dst_alloc+0x23/0x90
[ 1608.105181][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1608.105181][   T10]      ip6_pol_route+0x56f/0x840
[ 1608.105181][   T10]      fib6_rule_lookup+0x456/0x630
[ 1608.105181][   T10]      ip6_route_input+0x59c/0xa50
[ 1608.105181][   T10]      ipv6_rcv+0x397/0x810
[ 1608.105181][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1608.105181][   T10]      process_backlog+0x101/0x620
[ 1608.105181][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1608.105181][   T10]      net_rx_action+0x495/0xbe0
[ 1608.105181][   T10]      __do_softirq+0x1b5/0x7f6
[ 1608.105181][   T10] 
[ 1608.106892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.106892][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1608.106892][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1608.106892][   T10]      fib6_nh_init+0xa22/0x1580
[ 1608.106892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.106892][   T10]      ip6_route_add+0x1c/0x140
[ 1608.106892][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1608.106892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.106892][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.106892][   T10]      netlink_unicast+0x449/0x710
[ 1608.106892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.106892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.106892][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.106892][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.106892][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.106892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.106892][   T10] 
[ 1608.108818][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.108818][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.108818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.108818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.108818][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1608.108818][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1608.108818][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1608.108818][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1608.108818][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1608.108818][   T10]      addrconf_dad_begin+0x310/0x670
[ 1608.108818][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1608.108818][   T10]      process_one_work+0x84d/0x18a0
[ 1608.108818][   T10]      worker_thread+0x587/0xd30
[ 1608.108818][   T10]      kthread+0x28a/0x350
[ 1608.108818][   T10]      ret_from_fork+0x31/0x70
[ 1608.108818][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1608.108818][   T10] 
[ 1608.110757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.110757][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.110757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.110757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.110757][   T10]      ip6_route_add+0x1c/0x140
[ 1608.110757][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1608.110757][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1608.110757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.110757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.110757][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.110757][   T10]      netlink_unicast+0x449/0x710
[ 1608.110757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.110757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.110757][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.110757][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.110757][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.110757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.110757][   T10] 
[ 1608.112796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.112796][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.112796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.112796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.112796][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1608.112796][   T10]      ipv6_add_addr+0x411/0x2000
[ 1608.112796][   T10]      inet6_addr_add+0x30e/0xa40
[ 1608.112796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.112796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.112796][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.112796][   T10]      netlink_unicast+0x449/0x710
[ 1608.112796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.112796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.112796][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.112796][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.112796][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.112796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.112796][   T10] 
[ 1608.114828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.114828][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.114828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.114828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.114828][   T10]      ip6_route_add+0x1c/0x140
[ 1608.114828][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1608.114828][   T10]      addrconf_add_dev+0xe2/0x170
[ 1608.114828][   T10]      inet6_addr_add+0x12f/0xa40
[ 1608.114828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.114828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.114828][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.114828][   T10]      netlink_unicast+0x449/0x710
[ 1608.114828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.114828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.114828][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.114828][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.114828][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.114828][   T10] 
[ 1608.116841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.116841][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1608.116841][   T10]      ipv6_find_idev+0x102/0x170
[ 1608.116841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1608.116841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.116841][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.116841][   T10]      netlink_unicast+0x449/0x710
[ 1608.116841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.116841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.116841][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.116841][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.116841][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.116841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.116841][   T10] 
[ 1608.118405][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1608.118405][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1608.118405][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1608.118405][   T10]      ipv6_find_idev+0x102/0x170
[ 1608.118405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1608.118405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.118405][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.118405][   T10]      netlink_unicast+0x449/0x710
[ 1608.118405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.118405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.118405][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.118405][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.118405][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.118405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.118405][   T10] 
[ 1608.120153][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1608.120397][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.120397][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1608.120397][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1608.120397][   T10]      fib6_nh_init+0xa22/0x1580
[ 1608.120397][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.120397][   T10]      ip6_route_add+0x1c/0x140
[ 1608.120397][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1608.120397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.120397][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.120397][   T10]      netlink_unicast+0x449/0x710
[ 1608.120397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.120397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.120397][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.120397][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.120397][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.120397][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.120397][   T10] 
[ 1608.122321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.122321][   T10]      dst_init+0x84/0x4a0
[ 1608.122321][   T10]      dst_alloc+0x97/0x150
[ 1608.122321][   T10]      ip6_dst_alloc+0x23/0x90
[ 1608.122321][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1608.122321][   T10]      ip6_pol_route+0x56f/0x840
[ 1608.122321][   T10]      fib6_rule_lookup+0x456/0x630
[ 1608.122321][   T10]      ip6_route_input+0x59c/0xa50
[ 1608.122321][   T10]      ipv6_rcv+0x397/0x810
[ 1608.122321][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1608.122321][   T10]      process_backlog+0x101/0x620
[ 1608.122321][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1608.122321][   T10]      net_rx_action+0x495/0xbe0
[ 1608.122321][   T10]      __do_softirq+0x1b5/0x7f6
[ 1608.122321][   T10] 
[ 1608.123986][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.123986][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.123986][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.123986][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.123986][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1608.123986][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1608.123986][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1608.123986][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1608.123986][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1608.123986][   T10]      addrconf_dad_begin+0x310/0x670
[ 1608.123986][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1608.123986][   T10]      process_one_work+0x84d/0x18a0
[ 1608.123986][   T10]      worker_thread+0x587/0xd30
[ 1608.123986][   T10]      kthread+0x28a/0x350
[ 1608.123986][   T10]      ret_from_fork+0x31/0x70
[ 1608.123986][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1608.123986][   T10] 
[ 1608.125918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.125918][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.125918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.125918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.125918][   T10]      ip6_route_add+0x1c/0x140
[ 1608.125918][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1608.125918][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1608.125918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.125918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.125918][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.125918][   T10]      netlink_unicast+0x449/0x710
[ 1608.125918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.125918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.125918][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.125918][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.125918][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.125918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.125918][   T10] 
[ 1608.127953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.127953][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.127953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.127953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.127953][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1608.127953][   T10]      ipv6_add_addr+0x411/0x2000
[ 1608.127953][   T10]      inet6_addr_add+0x30e/0xa40
[ 1608.127953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.127953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.127953][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.127953][   T10]      netlink_unicast+0x449/0x710
[ 1608.127953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.127953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.127953][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.127953][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.127953][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.127953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.127953][   T10] 
[ 1608.129975][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.129975][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.129975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.129975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.129975][   T10]      ip6_route_add+0x1c/0x140
[ 1608.129975][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1608.129975][   T10]      addrconf_add_dev+0xe2/0x170
[ 1608.129975][   T10]      inet6_addr_add+0x12f/0xa40
[ 1608.129975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.129975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.129975][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.129975][   T10]      netlink_unicast+0x449/0x710
[ 1608.129975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.129975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.129975][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.129975][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.129975][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.129975][   T10] 
[ 1608.132158][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.132158][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1608.132158][   T10]      ipv6_find_idev+0x102/0x170
[ 1608.132158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1608.132158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.132158][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.132158][   T10]      netlink_unicast+0x449/0x710
[ 1608.132158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.132158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.132158][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.132158][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.132158][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.132158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.132158][   T10] 
[ 1608.133959][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1608.133959][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1608.133959][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1608.133959][   T10]      ipv6_find_idev+0x102/0x170
[ 1608.133959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1608.133959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.133959][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.133959][   T10]      netlink_unicast+0x449/0x710
[ 1608.133959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.133959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.133959][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.133959][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.133959][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.133959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.133959][   T10] 
[ 1608.135861][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1608.136102][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1608.136102][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.136102][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.136102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.136102][   T10]      ip6_route_add+0x1c/0x140
[ 1608.136102][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1608.136102][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1608.136102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.136102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.136102][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.136102][   T10]      netlink_unicast+0x449/0x710
[ 1608.136102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.136102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.136102][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.136102][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.136102][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.136102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.136102][   T10] 
[ 1608.138394][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1608.138394][   T10]      netdev_get_by_index+0x5e/0x80
[ 1608.138394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1608.138394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1608.138394][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1608.138394][   T10]      ipv6_add_addr+0x411/0x2000
[ 1608.138394][   T10]      inet6_addr_add+0x30e/0xa40
[ 1608.138394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1608.138394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.138394][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.138394][   T10]      netlink_unicast+0x449/0x710
[ 1608.138394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.138394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.138394][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.138394][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.138394][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.138394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.138394][   T10] 
[ 1608.140680][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1608.140680][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1608.140680][   T10]      ipv6_find_idev+0x102/0x170
[ 1608.140680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1608.140680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.140680][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.140680][   T10]      netlink_unicast+0x449/0x710
[ 1608.140680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.140680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.140680][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.140680][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.140680][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.140680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.140680][   T10] 
[ 1608.142485][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1608.142485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1608.142485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1608.142485][   T10]      ipv6_find_idev+0x102/0x170
[ 1608.142485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1608.142485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1608.142485][   T10]      netlink_rcv_skb+0x130/0x360
[ 1608.142485][   T10]      netlink_unicast+0x449/0x710
[ 1608.142485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1608.142485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1608.142485][   T10]      ___sys_sendmsg+0xee/0x170
[ 1608.142485][   T10]      __sys_sendmsg+0xcd/0x170
[ 1608.142485][   T10]      do_syscall_64+0xc6/0x1e0
[ 1608.142485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1608.142485][   T10] 
[ 1618.384785][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1618.385329][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.385329][   T10]      dst_init+0x84/0x4a0
[ 1618.385329][   T10]      dst_alloc+0x97/0x150
[ 1618.385329][   T10]      ip6_dst_alloc+0x23/0x90
[ 1618.385329][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1618.385329][   T10]      ip6_pol_route+0x56f/0x840
[ 1618.385329][   T10]      fib6_rule_lookup+0x456/0x630
[ 1618.385329][   T10]      ip6_route_input+0x59c/0xa50
[ 1618.385329][   T10]      ipv6_rcv+0x397/0x810
[ 1618.385329][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1618.385329][   T10]      process_backlog+0x101/0x620
[ 1618.385329][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1618.385329][   T10]      net_rx_action+0x495/0xbe0
[ 1618.385329][   T10]      __do_softirq+0x1b5/0x7f6
[ 1618.385329][   T10] 
[ 1618.387142][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.387142][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1618.387142][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1618.387142][   T10]      fib6_nh_init+0xa22/0x1580
[ 1618.387142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.387142][   T10]      ip6_route_add+0x1c/0x140
[ 1618.387142][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1618.387142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.387142][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.387142][   T10]      netlink_unicast+0x449/0x710
[ 1618.387142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.387142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.387142][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.387142][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.387142][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.387142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.387142][   T10] 
[ 1618.389197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.389197][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.389197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.389197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.389197][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1618.389197][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1618.389197][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1618.389197][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1618.389197][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1618.389197][   T10]      addrconf_dad_begin+0x310/0x670
[ 1618.389197][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1618.389197][   T10]      process_one_work+0x84d/0x18a0
[ 1618.389197][   T10]      worker_thread+0x587/0xd30
[ 1618.389197][   T10]      kthread+0x28a/0x350
[ 1618.389197][   T10]      ret_from_fork+0x31/0x70
[ 1618.389197][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1618.389197][   T10] 
[ 1618.391300][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.391300][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.391300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.391300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.391300][   T10]      ip6_route_add+0x1c/0x140
[ 1618.391300][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1618.391300][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1618.391300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.391300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.391300][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.391300][   T10]      netlink_unicast+0x449/0x710
[ 1618.391300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.391300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.391300][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.391300][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.391300][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.391300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.391300][   T10] 
[ 1618.393436][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.393436][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.393436][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.393436][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.393436][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1618.393436][   T10]      ipv6_add_addr+0x411/0x2000
[ 1618.393436][   T10]      inet6_addr_add+0x30e/0xa40
[ 1618.393436][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.393436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.393436][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.393436][   T10]      netlink_unicast+0x449/0x710
[ 1618.393436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.393436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.393436][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.393436][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.393436][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.393436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.393436][   T10] 
[ 1618.395580][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.395580][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.395580][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.395580][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.395580][   T10]      ip6_route_add+0x1c/0x140
[ 1618.395580][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1618.395580][   T10]      addrconf_add_dev+0xe2/0x170
[ 1618.395580][   T10]      inet6_addr_add+0x12f/0xa40
[ 1618.395580][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.395580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.395580][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.395580][   T10]      netlink_unicast+0x449/0x710
[ 1618.395580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.395580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.395580][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.395580][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.395580][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.395580][   T10] 
[ 1618.397678][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.397678][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1618.397678][   T10]      ipv6_find_idev+0x102/0x170
[ 1618.397678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1618.397678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.397678][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.397678][   T10]      netlink_unicast+0x449/0x710
[ 1618.397678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.397678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.397678][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.397678][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.397678][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.397678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.397678][   T10] 
[ 1618.399331][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1618.399331][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1618.399331][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1618.399331][   T10]      ipv6_find_idev+0x102/0x170
[ 1618.399331][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1618.399331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.399331][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.399331][   T10]      netlink_unicast+0x449/0x710
[ 1618.399331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.399331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.399331][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.399331][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.399331][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.399331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.399331][   T10] 
[ 1618.401138][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1618.401383][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.401383][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1618.401383][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1618.401383][   T10]      fib6_nh_init+0xa22/0x1580
[ 1618.401383][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.401383][   T10]      ip6_route_add+0x1c/0x140
[ 1618.401383][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1618.401383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.401383][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.401383][   T10]      netlink_unicast+0x449/0x710
[ 1618.401383][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.401383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.401383][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.401383][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.401383][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.401383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.401383][   T10] 
[ 1618.403395][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.403395][   T10]      dst_init+0x84/0x4a0
[ 1618.403395][   T10]      dst_alloc+0x97/0x150
[ 1618.403395][   T10]      ip6_dst_alloc+0x23/0x90
[ 1618.403395][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1618.403395][   T10]      ip6_pol_route+0x56f/0x840
[ 1618.403395][   T10]      fib6_rule_lookup+0x456/0x630
[ 1618.403395][   T10]      ip6_route_input+0x59c/0xa50
[ 1618.403395][   T10]      ipv6_rcv+0x397/0x810
[ 1618.403395][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1618.403395][   T10]      process_backlog+0x101/0x620
[ 1618.403395][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1618.403395][   T10]      net_rx_action+0x495/0xbe0
[ 1618.403395][   T10]      __do_softirq+0x1b5/0x7f6
[ 1618.403395][   T10] 
[ 1618.405140][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.405140][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.405140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.405140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.405140][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1618.405140][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1618.405140][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1618.405140][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1618.405140][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1618.405140][   T10]      addrconf_dad_begin+0x310/0x670
[ 1618.405140][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1618.405140][   T10]      process_one_work+0x84d/0x18a0
[ 1618.405140][   T10]      worker_thread+0x587/0xd30
[ 1618.405140][   T10]      kthread+0x28a/0x350
[ 1618.405140][   T10]      ret_from_fork+0x31/0x70
[ 1618.405140][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1618.405140][   T10] 
[ 1618.407180][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.407180][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.407180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.407180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.407180][   T10]      ip6_route_add+0x1c/0x140
[ 1618.407180][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1618.407180][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1618.407180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.407180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.407180][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.407180][   T10]      netlink_unicast+0x449/0x710
[ 1618.407180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.407180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.407180][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.407180][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.407180][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.407180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.407180][   T10] 
[ 1618.409323][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.409323][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.409323][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.409323][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.409323][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1618.409323][   T10]      ipv6_add_addr+0x411/0x2000
[ 1618.409323][   T10]      inet6_addr_add+0x30e/0xa40
[ 1618.409323][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.409323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.409323][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.409323][   T10]      netlink_unicast+0x449/0x710
[ 1618.409323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.409323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.409323][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.409323][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.409323][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.409323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.409323][   T10] 
[ 1618.411459][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.411459][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.411459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.411459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.411459][   T10]      ip6_route_add+0x1c/0x140
[ 1618.411459][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1618.411459][   T10]      addrconf_add_dev+0xe2/0x170
[ 1618.411459][   T10]      inet6_addr_add+0x12f/0xa40
[ 1618.411459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.411459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.411459][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.411459][   T10]      netlink_unicast+0x449/0x710
[ 1618.411459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.411459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.411459][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.411459][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.411459][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.411459][   T10] 
[ 1618.413772][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.413772][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1618.413772][   T10]      ipv6_find_idev+0x102/0x170
[ 1618.413772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1618.413772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.413772][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.413772][   T10]      netlink_unicast+0x449/0x710
[ 1618.413772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.413772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.413772][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.413772][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.413772][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.413772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.413772][   T10] 
[ 1618.415641][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1618.415641][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1618.415641][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1618.415641][   T10]      ipv6_find_idev+0x102/0x170
[ 1618.415641][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1618.415641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.415641][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.415641][   T10]      netlink_unicast+0x449/0x710
[ 1618.415641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.415641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.415641][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.415641][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.415641][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.415641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.415641][   T10] 
[ 1618.417656][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1618.417910][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1618.417910][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.417910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.417910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.417910][   T10]      ip6_route_add+0x1c/0x140
[ 1618.417910][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1618.417910][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1618.417910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.417910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.417910][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.417910][   T10]      netlink_unicast+0x449/0x710
[ 1618.417910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.417910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.417910][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.417910][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.417910][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.417910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.417910][   T10] 
[ 1618.420270][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1618.420270][   T10]      netdev_get_by_index+0x5e/0x80
[ 1618.420270][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1618.420270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1618.420270][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1618.420270][   T10]      ipv6_add_addr+0x411/0x2000
[ 1618.420270][   T10]      inet6_addr_add+0x30e/0xa40
[ 1618.420270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1618.420270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.420270][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.420270][   T10]      netlink_unicast+0x449/0x710
[ 1618.420270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.420270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.420270][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.420270][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.420270][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.420270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.420270][   T10] 
[ 1618.422572][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1618.422572][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1618.422572][   T10]      ipv6_find_idev+0x102/0x170
[ 1618.422572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1618.422572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.422572][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.422572][   T10]      netlink_unicast+0x449/0x710
[ 1618.422572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.422572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.422572][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.422572][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.422572][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.422572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.422572][   T10] 
[ 1618.424384][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1618.424384][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1618.424384][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1618.424384][   T10]      ipv6_find_idev+0x102/0x170
[ 1618.424384][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1618.424384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1618.424384][   T10]      netlink_rcv_skb+0x130/0x360
[ 1618.424384][   T10]      netlink_unicast+0x449/0x710
[ 1618.424384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1618.424384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1618.424384][   T10]      ___sys_sendmsg+0xee/0x170
[ 1618.424384][   T10]      __sys_sendmsg+0xcd/0x170
[ 1618.424384][   T10]      do_syscall_64+0xc6/0x1e0
[ 1618.424384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1618.424384][   T10] 
[ 1628.664776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1628.665636][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.665636][   T10]      dst_init+0x84/0x4a0
[ 1628.665636][   T10]      dst_alloc+0x97/0x150
[ 1628.665636][   T10]      ip6_dst_alloc+0x23/0x90
[ 1628.665636][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1628.665636][   T10]      ip6_pol_route+0x56f/0x840
[ 1628.665636][   T10]      fib6_rule_lookup+0x456/0x630
[ 1628.665636][   T10]      ip6_route_input+0x59c/0xa50
[ 1628.665636][   T10]      ipv6_rcv+0x397/0x810
[ 1628.665636][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1628.665636][   T10]      process_backlog+0x101/0x620
[ 1628.665636][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1628.665636][   T10]      net_rx_action+0x495/0xbe0
[ 1628.665636][   T10]      __do_softirq+0x1b5/0x7f6
[ 1628.665636][   T10] 
[ 1628.667402][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.667402][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1628.667402][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1628.667402][   T10]      fib6_nh_init+0xa22/0x1580
[ 1628.667402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.667402][   T10]      ip6_route_add+0x1c/0x140
[ 1628.667402][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1628.667402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.667402][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.667402][   T10]      netlink_unicast+0x449/0x710
[ 1628.667402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.667402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.667402][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.667402][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.667402][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.667402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.667402][   T10] 
[ 1628.669310][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.669310][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.669310][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.669310][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.669310][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1628.669310][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1628.669310][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1628.669310][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1628.669310][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1628.669310][   T10]      addrconf_dad_begin+0x310/0x670
[ 1628.669310][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1628.669310][   T10]      process_one_work+0x84d/0x18a0
[ 1628.669310][   T10]      worker_thread+0x587/0xd30
[ 1628.669310][   T10]      kthread+0x28a/0x350
[ 1628.669310][   T10]      ret_from_fork+0x31/0x70
[ 1628.669310][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1628.669310][   T10] 
[ 1628.671224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.671224][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.671224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.671224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.671224][   T10]      ip6_route_add+0x1c/0x140
[ 1628.671224][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1628.671224][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1628.671224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.671224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.671224][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.671224][   T10]      netlink_unicast+0x449/0x710
[ 1628.671224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.671224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.671224][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.671224][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.671224][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.671224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.671224][   T10] 
[ 1628.673248][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.673248][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.673248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.673248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.673248][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1628.673248][   T10]      ipv6_add_addr+0x411/0x2000
[ 1628.673248][   T10]      inet6_addr_add+0x30e/0xa40
[ 1628.673248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.673248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.673248][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.673248][   T10]      netlink_unicast+0x449/0x710
[ 1628.673248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.673248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.673248][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.673248][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.673248][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.673248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.673248][   T10] 
[ 1628.675266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.675266][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.675266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.675266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.675266][   T10]      ip6_route_add+0x1c/0x140
[ 1628.675266][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1628.675266][   T10]      addrconf_add_dev+0xe2/0x170
[ 1628.675266][   T10]      inet6_addr_add+0x12f/0xa40
[ 1628.675266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.675266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.675266][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.675266][   T10]      netlink_unicast+0x449/0x710
[ 1628.675266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.675266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.675266][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.675266][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.675266][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.675266][   T10] 
[ 1628.677255][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.677255][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1628.677255][   T10]      ipv6_find_idev+0x102/0x170
[ 1628.677255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1628.677255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.677255][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.677255][   T10]      netlink_unicast+0x449/0x710
[ 1628.677255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.677255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.677255][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.677255][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.677255][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.677255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.677255][   T10] 
[ 1628.678801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1628.678801][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1628.678801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1628.678801][   T10]      ipv6_find_idev+0x102/0x170
[ 1628.678801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1628.678801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.678801][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.678801][   T10]      netlink_unicast+0x449/0x710
[ 1628.678801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.678801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.678801][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.678801][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.678801][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.678801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.678801][   T10] 
[ 1628.680845][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1628.681097][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.681097][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1628.681097][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1628.681097][   T10]      fib6_nh_init+0xa22/0x1580
[ 1628.681097][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.681097][   T10]      ip6_route_add+0x1c/0x140
[ 1628.681097][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1628.681097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.681097][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.681097][   T10]      netlink_unicast+0x449/0x710
[ 1628.681097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.681097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.681097][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.681097][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.681097][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.681097][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.681097][   T10] 
[ 1628.682981][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.682981][   T10]      dst_init+0x84/0x4a0
[ 1628.682981][   T10]      dst_alloc+0x97/0x150
[ 1628.682981][   T10]      ip6_dst_alloc+0x23/0x90
[ 1628.682981][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1628.682981][   T10]      ip6_pol_route+0x56f/0x840
[ 1628.682981][   T10]      fib6_rule_lookup+0x456/0x630
[ 1628.682981][   T10]      ip6_route_input+0x59c/0xa50
[ 1628.682981][   T10]      ipv6_rcv+0x397/0x810
[ 1628.682981][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1628.682981][   T10]      process_backlog+0x101/0x620
[ 1628.682981][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1628.682981][   T10]      net_rx_action+0x495/0xbe0
[ 1628.682981][   T10]      __do_softirq+0x1b5/0x7f6
[ 1628.682981][   T10] 
[ 1628.684625][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.684625][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.684625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.684625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.684625][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1628.684625][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1628.684625][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1628.684625][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1628.684625][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1628.684625][   T10]      addrconf_dad_begin+0x310/0x670
[ 1628.684625][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1628.684625][   T10]      process_one_work+0x84d/0x18a0
[ 1628.684625][   T10]      worker_thread+0x587/0xd30
[ 1628.684625][   T10]      kthread+0x28a/0x350
[ 1628.684625][   T10]      ret_from_fork+0x31/0x70
[ 1628.684625][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1628.684625][   T10] 
[ 1628.686541][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.686541][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.686541][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.686541][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.686541][   T10]      ip6_route_add+0x1c/0x140
[ 1628.686541][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1628.686541][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1628.686541][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.686541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.686541][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.686541][   T10]      netlink_unicast+0x449/0x710
[ 1628.686541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.686541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.686541][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.686541][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.686541][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.686541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.686541][   T10] 
[ 1628.688547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.688547][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.688547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.688547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.688547][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1628.688547][   T10]      ipv6_add_addr+0x411/0x2000
[ 1628.688547][   T10]      inet6_addr_add+0x30e/0xa40
[ 1628.688547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.688547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.688547][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.688547][   T10]      netlink_unicast+0x449/0x710
[ 1628.688547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.688547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.688547][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.688547][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.688547][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.688547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.688547][   T10] 
[ 1628.690540][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.690540][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.690540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.690540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.690540][   T10]      ip6_route_add+0x1c/0x140
[ 1628.690540][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1628.690540][   T10]      addrconf_add_dev+0xe2/0x170
[ 1628.690540][   T10]      inet6_addr_add+0x12f/0xa40
[ 1628.690540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.690540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.690540][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.690540][   T10]      netlink_unicast+0x449/0x710
[ 1628.690540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.690540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.690540][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.690540][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.690540][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.690540][   T10] 
[ 1628.692632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.692632][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1628.692632][   T10]      ipv6_find_idev+0x102/0x170
[ 1628.692632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1628.692632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.692632][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.692632][   T10]      netlink_unicast+0x449/0x710
[ 1628.692632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.692632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.692632][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.692632][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.692632][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.692632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.692632][   T10] 
[ 1628.694413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1628.694413][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1628.694413][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1628.694413][   T10]      ipv6_find_idev+0x102/0x170
[ 1628.694413][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1628.694413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.694413][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.694413][   T10]      netlink_unicast+0x449/0x710
[ 1628.694413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.694413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.694413][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.694413][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.694413][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.694413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.694413][   T10] 
[ 1628.696290][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1628.696593][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1628.696593][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.696593][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.696593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.696593][   T10]      ip6_route_add+0x1c/0x140
[ 1628.696593][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1628.696593][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1628.696593][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.696593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.696593][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.696593][   T10]      netlink_unicast+0x449/0x710
[ 1628.696593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.696593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.696593][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.696593][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.696593][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.696593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.696593][   T10] 
[ 1628.698848][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1628.698848][   T10]      netdev_get_by_index+0x5e/0x80
[ 1628.698848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1628.698848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1628.698848][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1628.698848][   T10]      ipv6_add_addr+0x411/0x2000
[ 1628.698848][   T10]      inet6_addr_add+0x30e/0xa40
[ 1628.698848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1628.698848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.698848][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.698848][   T10]      netlink_unicast+0x449/0x710
[ 1628.698848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.698848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.698848][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.698848][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.698848][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.698848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.698848][   T10] 
[ 1628.700956][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1628.700956][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1628.700956][   T10]      ipv6_find_idev+0x102/0x170
[ 1628.700956][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1628.700956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.700956][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.700956][   T10]      netlink_unicast+0x449/0x710
[ 1628.700956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.700956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.700956][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.700956][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.700956][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.700956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.700956][   T10] 
[ 1628.702673][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1628.702673][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1628.702673][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1628.702673][   T10]      ipv6_find_idev+0x102/0x170
[ 1628.702673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1628.702673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1628.702673][   T10]      netlink_rcv_skb+0x130/0x360
[ 1628.702673][   T10]      netlink_unicast+0x449/0x710
[ 1628.702673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1628.702673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1628.702673][   T10]      ___sys_sendmsg+0xee/0x170
[ 1628.702673][   T10]      __sys_sendmsg+0xcd/0x170
[ 1628.702673][   T10]      do_syscall_64+0xc6/0x1e0
[ 1628.702673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1628.702673][   T10] 
[ 1638.952695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1638.953176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.953176][   T10]      dst_init+0x84/0x4a0
[ 1638.953176][   T10]      dst_alloc+0x97/0x150
[ 1638.953176][   T10]      ip6_dst_alloc+0x23/0x90
[ 1638.953176][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1638.953176][   T10]      ip6_pol_route+0x56f/0x840
[ 1638.953176][   T10]      fib6_rule_lookup+0x456/0x630
[ 1638.953176][   T10]      ip6_route_input+0x59c/0xa50
[ 1638.953176][   T10]      ipv6_rcv+0x397/0x810
[ 1638.953176][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1638.953176][   T10]      process_backlog+0x101/0x620
[ 1638.953176][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1638.953176][   T10]      net_rx_action+0x495/0xbe0
[ 1638.953176][   T10]      __do_softirq+0x1b5/0x7f6
[ 1638.953176][   T10] 
[ 1638.954903][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.954903][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1638.954903][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1638.954903][   T10]      fib6_nh_init+0xa22/0x1580
[ 1638.954903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.954903][   T10]      ip6_route_add+0x1c/0x140
[ 1638.954903][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1638.954903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.954903][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.954903][   T10]      netlink_unicast+0x449/0x710
[ 1638.954903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.954903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.954903][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.954903][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.954903][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.954903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.954903][   T10] 
[ 1638.956799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.956799][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.956799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.956799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.956799][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1638.956799][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1638.956799][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1638.956799][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1638.956799][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1638.956799][   T10]      addrconf_dad_begin+0x310/0x670
[ 1638.956799][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1638.956799][   T10]      process_one_work+0x84d/0x18a0
[ 1638.956799][   T10]      worker_thread+0x587/0xd30
[ 1638.956799][   T10]      kthread+0x28a/0x350
[ 1638.956799][   T10]      ret_from_fork+0x31/0x70
[ 1638.956799][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1638.956799][   T10] 
[ 1638.958728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.958728][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.958728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.958728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.958728][   T10]      ip6_route_add+0x1c/0x140
[ 1638.958728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1638.958728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1638.958728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.958728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.958728][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.958728][   T10]      netlink_unicast+0x449/0x710
[ 1638.958728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.958728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.958728][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.958728][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.958728][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.958728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.958728][   T10] 
[ 1638.960746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.960746][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.960746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.960746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.960746][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1638.960746][   T10]      ipv6_add_addr+0x411/0x2000
[ 1638.960746][   T10]      inet6_addr_add+0x30e/0xa40
[ 1638.960746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.960746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.960746][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.960746][   T10]      netlink_unicast+0x449/0x710
[ 1638.960746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.960746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.960746][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.960746][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.960746][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.960746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.960746][   T10] 
[ 1638.962768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.962768][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.962768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.962768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.962768][   T10]      ip6_route_add+0x1c/0x140
[ 1638.962768][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1638.962768][   T10]      addrconf_add_dev+0xe2/0x170
[ 1638.962768][   T10]      inet6_addr_add+0x12f/0xa40
[ 1638.962768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.962768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.962768][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.962768][   T10]      netlink_unicast+0x449/0x710
[ 1638.962768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.962768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.962768][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.962768][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.962768][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.962768][   T10] 
[ 1638.964738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.964738][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1638.964738][   T10]      ipv6_find_idev+0x102/0x170
[ 1638.964738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1638.964738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.964738][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.964738][   T10]      netlink_unicast+0x449/0x710
[ 1638.964738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.964738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.964738][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.964738][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.964738][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.964738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.964738][   T10] 
[ 1638.966282][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1638.966282][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1638.966282][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1638.966282][   T10]      ipv6_find_idev+0x102/0x170
[ 1638.966282][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1638.966282][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.966282][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.966282][   T10]      netlink_unicast+0x449/0x710
[ 1638.966282][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.966282][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.966282][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.966282][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.966282][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.966282][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.966282][   T10] 
[ 1638.967992][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1638.968231][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.968231][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1638.968231][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1638.968231][   T10]      fib6_nh_init+0xa22/0x1580
[ 1638.968231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.968231][   T10]      ip6_route_add+0x1c/0x140
[ 1638.968231][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1638.968231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.968231][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.968231][   T10]      netlink_unicast+0x449/0x710
[ 1638.968231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.968231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.968231][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.968231][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.968231][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.968231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.968231][   T10] 
[ 1638.970120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.970120][   T10]      dst_init+0x84/0x4a0
[ 1638.970120][   T10]      dst_alloc+0x97/0x150
[ 1638.970120][   T10]      ip6_dst_alloc+0x23/0x90
[ 1638.970120][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1638.970120][   T10]      ip6_pol_route+0x56f/0x840
[ 1638.970120][   T10]      fib6_rule_lookup+0x456/0x630
[ 1638.970120][   T10]      ip6_route_input+0x59c/0xa50
[ 1638.970120][   T10]      ipv6_rcv+0x397/0x810
[ 1638.970120][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1638.970120][   T10]      process_backlog+0x101/0x620
[ 1638.970120][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1638.970120][   T10]      net_rx_action+0x495/0xbe0
[ 1638.970120][   T10]      __do_softirq+0x1b5/0x7f6
[ 1638.970120][   T10] 
[ 1638.971759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.971759][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.971759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.971759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.971759][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1638.971759][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1638.971759][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1638.971759][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1638.971759][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1638.971759][   T10]      addrconf_dad_begin+0x310/0x670
[ 1638.971759][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1638.971759][   T10]      process_one_work+0x84d/0x18a0
[ 1638.971759][   T10]      worker_thread+0x587/0xd30
[ 1638.971759][   T10]      kthread+0x28a/0x350
[ 1638.971759][   T10]      ret_from_fork+0x31/0x70
[ 1638.971759][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1638.971759][   T10] 
[ 1638.973675][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.973675][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.973675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.973675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.973675][   T10]      ip6_route_add+0x1c/0x140
[ 1638.973675][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1638.973675][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1638.973675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.973675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.973675][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.973675][   T10]      netlink_unicast+0x449/0x710
[ 1638.973675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.973675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.973675][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.973675][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.973675][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.973675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.973675][   T10] 
[ 1638.975684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.975684][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.975684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.975684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.975684][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1638.975684][   T10]      ipv6_add_addr+0x411/0x2000
[ 1638.975684][   T10]      inet6_addr_add+0x30e/0xa40
[ 1638.975684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.975684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.975684][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.975684][   T10]      netlink_unicast+0x449/0x710
[ 1638.975684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.975684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.975684][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.975684][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.975684][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.975684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.975684][   T10] 
[ 1638.977697][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.977697][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.977697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.977697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.977697][   T10]      ip6_route_add+0x1c/0x140
[ 1638.977697][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1638.977697][   T10]      addrconf_add_dev+0xe2/0x170
[ 1638.977697][   T10]      inet6_addr_add+0x12f/0xa40
[ 1638.977697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.977697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.977697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.977697][   T10]      netlink_unicast+0x449/0x710
[ 1638.977697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.977697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.977697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.977697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.977697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.977697][   T10] 
[ 1638.979801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.979801][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1638.979801][   T10]      ipv6_find_idev+0x102/0x170
[ 1638.979801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1638.979801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.979801][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.979801][   T10]      netlink_unicast+0x449/0x710
[ 1638.979801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.979801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.979801][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.979801][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.979801][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.979801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.979801][   T10] 
[ 1638.981530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1638.981530][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1638.981530][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1638.981530][   T10]      ipv6_find_idev+0x102/0x170
[ 1638.981530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1638.981530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.981530][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.981530][   T10]      netlink_unicast+0x449/0x710
[ 1638.981530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.981530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.981530][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.981530][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.981530][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.981530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.981530][   T10] 
[ 1638.983471][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1638.983797][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1638.983797][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.983797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.983797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.983797][   T10]      ip6_route_add+0x1c/0x140
[ 1638.983797][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1638.983797][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1638.983797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.983797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.983797][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.983797][   T10]      netlink_unicast+0x449/0x710
[ 1638.983797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.983797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.983797][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.983797][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.983797][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.983797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.983797][   T10] 
[ 1638.986099][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1638.986099][   T10]      netdev_get_by_index+0x5e/0x80
[ 1638.986099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1638.986099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1638.986099][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1638.986099][   T10]      ipv6_add_addr+0x411/0x2000
[ 1638.986099][   T10]      inet6_addr_add+0x30e/0xa40
[ 1638.986099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1638.986099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.986099][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.986099][   T10]      netlink_unicast+0x449/0x710
[ 1638.986099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.986099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.986099][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.986099][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.986099][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.986099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.986099][   T10] 
[ 1638.988243][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1638.988243][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1638.988243][   T10]      ipv6_find_idev+0x102/0x170
[ 1638.988243][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1638.988243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.988243][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.988243][   T10]      netlink_unicast+0x449/0x710
[ 1638.988243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.988243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.988243][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.988243][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.988243][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.988243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.988243][   T10] 
[ 1638.989976][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1638.989976][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1638.989976][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1638.989976][   T10]      ipv6_find_idev+0x102/0x170
[ 1638.989976][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1638.989976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1638.989976][   T10]      netlink_rcv_skb+0x130/0x360
[ 1638.989976][   T10]      netlink_unicast+0x449/0x710
[ 1638.989976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1638.989976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1638.989976][   T10]      ___sys_sendmsg+0xee/0x170
[ 1638.989976][   T10]      __sys_sendmsg+0xcd/0x170
[ 1638.989976][   T10]      do_syscall_64+0xc6/0x1e0
[ 1638.989976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1638.989976][   T10] 
[ 1649.232701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1649.233157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.233157][   T10]      dst_init+0x84/0x4a0
[ 1649.233157][   T10]      dst_alloc+0x97/0x150
[ 1649.233157][   T10]      ip6_dst_alloc+0x23/0x90
[ 1649.233157][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1649.233157][   T10]      ip6_pol_route+0x56f/0x840
[ 1649.233157][   T10]      fib6_rule_lookup+0x456/0x630
[ 1649.233157][   T10]      ip6_route_input+0x59c/0xa50
[ 1649.233157][   T10]      ipv6_rcv+0x397/0x810
[ 1649.233157][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1649.233157][   T10]      process_backlog+0x101/0x620
[ 1649.233157][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1649.233157][   T10]      net_rx_action+0x495/0xbe0
[ 1649.233157][   T10]      __do_softirq+0x1b5/0x7f6
[ 1649.233157][   T10] 
[ 1649.234836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.234836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1649.234836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1649.234836][   T10]      fib6_nh_init+0xa22/0x1580
[ 1649.234836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.234836][   T10]      ip6_route_add+0x1c/0x140
[ 1649.234836][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1649.234836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.234836][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.234836][   T10]      netlink_unicast+0x449/0x710
[ 1649.234836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.234836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.234836][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.234836][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.234836][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.234836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.234836][   T10] 
[ 1649.236750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.236750][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.236750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.236750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.236750][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1649.236750][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1649.236750][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1649.236750][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1649.236750][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1649.236750][   T10]      addrconf_dad_begin+0x310/0x670
[ 1649.236750][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1649.236750][   T10]      process_one_work+0x84d/0x18a0
[ 1649.236750][   T10]      worker_thread+0x587/0xd30
[ 1649.236750][   T10]      kthread+0x28a/0x350
[ 1649.236750][   T10]      ret_from_fork+0x31/0x70
[ 1649.236750][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1649.236750][   T10] 
[ 1649.238692][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.238692][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.238692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.238692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.238692][   T10]      ip6_route_add+0x1c/0x140
[ 1649.238692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1649.238692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1649.238692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.238692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.238692][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.238692][   T10]      netlink_unicast+0x449/0x710
[ 1649.238692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.238692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.238692][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.238692][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.238692][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.238692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.238692][   T10] 
[ 1649.240733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.240733][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.240733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.240733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.240733][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1649.240733][   T10]      ipv6_add_addr+0x411/0x2000
[ 1649.240733][   T10]      inet6_addr_add+0x30e/0xa40
[ 1649.240733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.240733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.240733][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.240733][   T10]      netlink_unicast+0x449/0x710
[ 1649.240733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.240733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.240733][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.240733][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.240733][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.240733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.240733][   T10] 
[ 1649.242749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.242749][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.242749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.242749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.242749][   T10]      ip6_route_add+0x1c/0x140
[ 1649.242749][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1649.242749][   T10]      addrconf_add_dev+0xe2/0x170
[ 1649.242749][   T10]      inet6_addr_add+0x12f/0xa40
[ 1649.242749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.242749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.242749][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.242749][   T10]      netlink_unicast+0x449/0x710
[ 1649.242749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.242749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.242749][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.242749][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.242749][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.242749][   T10] 
[ 1649.244739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.244739][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1649.244739][   T10]      ipv6_find_idev+0x102/0x170
[ 1649.244739][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1649.244739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.244739][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.244739][   T10]      netlink_unicast+0x449/0x710
[ 1649.244739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.244739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.244739][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.244739][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.244739][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.244739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.244739][   T10] 
[ 1649.246289][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1649.246289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1649.246289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1649.246289][   T10]      ipv6_find_idev+0x102/0x170
[ 1649.246289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1649.246289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.246289][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.246289][   T10]      netlink_unicast+0x449/0x710
[ 1649.246289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.246289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.246289][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.246289][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.246289][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.246289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.246289][   T10] 
[ 1649.248011][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1649.248250][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.248250][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1649.248250][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1649.248250][   T10]      fib6_nh_init+0xa22/0x1580
[ 1649.248250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.248250][   T10]      ip6_route_add+0x1c/0x140
[ 1649.248250][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1649.248250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.248250][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.248250][   T10]      netlink_unicast+0x449/0x710
[ 1649.248250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.248250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.248250][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.248250][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.248250][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.248250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.248250][   T10] 
[ 1649.250210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.250210][   T10]      dst_init+0x84/0x4a0
[ 1649.250210][   T10]      dst_alloc+0x97/0x150
[ 1649.250210][   T10]      ip6_dst_alloc+0x23/0x90
[ 1649.250210][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1649.250210][   T10]      ip6_pol_route+0x56f/0x840
[ 1649.250210][   T10]      fib6_rule_lookup+0x456/0x630
[ 1649.250210][   T10]      ip6_route_input+0x59c/0xa50
[ 1649.250210][   T10]      ipv6_rcv+0x397/0x810
[ 1649.250210][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1649.250210][   T10]      process_backlog+0x101/0x620
[ 1649.250210][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1649.250210][   T10]      net_rx_action+0x495/0xbe0
[ 1649.250210][   T10]      __do_softirq+0x1b5/0x7f6
[ 1649.250210][   T10] 
[ 1649.251846][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.251846][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.251846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.251846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.251846][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1649.251846][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1649.251846][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1649.251846][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1649.251846][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1649.251846][   T10]      addrconf_dad_begin+0x310/0x670
[ 1649.251846][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1649.251846][   T10]      process_one_work+0x84d/0x18a0
[ 1649.251846][   T10]      worker_thread+0x587/0xd30
[ 1649.251846][   T10]      kthread+0x28a/0x350
[ 1649.251846][   T10]      ret_from_fork+0x31/0x70
[ 1649.251846][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1649.251846][   T10] 
[ 1649.253755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.253755][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.253755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.253755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.253755][   T10]      ip6_route_add+0x1c/0x140
[ 1649.253755][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1649.253755][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1649.253755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.253755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.253755][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.253755][   T10]      netlink_unicast+0x449/0x710
[ 1649.253755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.253755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.253755][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.253755][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.253755][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.253755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.253755][   T10] 
[ 1649.255765][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.255765][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.255765][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.255765][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.255765][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1649.255765][   T10]      ipv6_add_addr+0x411/0x2000
[ 1649.255765][   T10]      inet6_addr_add+0x30e/0xa40
[ 1649.255765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.255765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.255765][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.255765][   T10]      netlink_unicast+0x449/0x710
[ 1649.255765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.255765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.255765][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.255765][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.255765][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.255765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.255765][   T10] 
[ 1649.257774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.257774][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.257774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.257774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.257774][   T10]      ip6_route_add+0x1c/0x140
[ 1649.257774][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1649.257774][   T10]      addrconf_add_dev+0xe2/0x170
[ 1649.257774][   T10]      inet6_addr_add+0x12f/0xa40
[ 1649.257774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.257774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.257774][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.257774][   T10]      netlink_unicast+0x449/0x710
[ 1649.257774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.257774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.257774][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.257774][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.257774][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.257774][   T10] 
[ 1649.259869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.259869][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1649.259869][   T10]      ipv6_find_idev+0x102/0x170
[ 1649.259869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1649.259869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.259869][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.259869][   T10]      netlink_unicast+0x449/0x710
[ 1649.259869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.259869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.259869][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.259869][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.259869][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.259869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.259869][   T10] 
[ 1649.261678][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1649.261678][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1649.261678][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1649.261678][   T10]      ipv6_find_idev+0x102/0x170
[ 1649.261678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1649.261678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.261678][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.261678][   T10]      netlink_unicast+0x449/0x710
[ 1649.261678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.261678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.261678][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.261678][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.261678][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.261678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.261678][   T10] 
[ 1649.263557][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1649.263880][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1649.263880][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.263880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.263880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.263880][   T10]      ip6_route_add+0x1c/0x140
[ 1649.263880][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1649.263880][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1649.263880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.263880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.263880][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.263880][   T10]      netlink_unicast+0x449/0x710
[ 1649.263880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.263880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.263880][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.263880][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.263880][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.263880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.263880][   T10] 
[ 1649.266089][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1649.266089][   T10]      netdev_get_by_index+0x5e/0x80
[ 1649.266089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1649.266089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1649.266089][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1649.266089][   T10]      ipv6_add_addr+0x411/0x2000
[ 1649.266089][   T10]      inet6_addr_add+0x30e/0xa40
[ 1649.266089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1649.266089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.266089][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.266089][   T10]      netlink_unicast+0x449/0x710
[ 1649.266089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.266089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.266089][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.266089][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.266089][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.266089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.266089][   T10] 
[ 1649.268221][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1649.268221][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1649.268221][   T10]      ipv6_find_idev+0x102/0x170
[ 1649.268221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1649.268221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.268221][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.268221][   T10]      netlink_unicast+0x449/0x710
[ 1649.268221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.268221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.268221][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.268221][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.268221][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.268221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.268221][   T10] 
[ 1649.269935][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1649.269935][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1649.269935][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1649.269935][   T10]      ipv6_find_idev+0x102/0x170
[ 1649.269935][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1649.269935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1649.269935][   T10]      netlink_rcv_skb+0x130/0x360
[ 1649.269935][   T10]      netlink_unicast+0x449/0x710
[ 1649.269935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1649.269935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1649.269935][   T10]      ___sys_sendmsg+0xee/0x170
[ 1649.269935][   T10]      __sys_sendmsg+0xcd/0x170
[ 1649.269935][   T10]      do_syscall_64+0xc6/0x1e0
[ 1649.269935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1649.269935][   T10] 
[ 1659.512707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1659.513179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.513179][   T10]      dst_init+0x84/0x4a0
[ 1659.513179][   T10]      dst_alloc+0x97/0x150
[ 1659.513179][   T10]      ip6_dst_alloc+0x23/0x90
[ 1659.513179][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1659.513179][   T10]      ip6_pol_route+0x56f/0x840
[ 1659.513179][   T10]      fib6_rule_lookup+0x456/0x630
[ 1659.513179][   T10]      ip6_route_input+0x59c/0xa50
[ 1659.513179][   T10]      ipv6_rcv+0x397/0x810
[ 1659.513179][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1659.513179][   T10]      process_backlog+0x101/0x620
[ 1659.513179][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1659.513179][   T10]      net_rx_action+0x495/0xbe0
[ 1659.513179][   T10]      __do_softirq+0x1b5/0x7f6
[ 1659.513179][   T10] 
[ 1659.514893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.514893][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1659.514893][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1659.514893][   T10]      fib6_nh_init+0xa22/0x1580
[ 1659.514893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.514893][   T10]      ip6_route_add+0x1c/0x140
[ 1659.514893][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1659.514893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.514893][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.514893][   T10]      netlink_unicast+0x449/0x710
[ 1659.514893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.514893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.514893][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.514893][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.514893][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.514893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.514893][   T10] 
[ 1659.516836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.516836][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.516836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.516836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.516836][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1659.516836][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1659.516836][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1659.516836][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1659.516836][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1659.516836][   T10]      addrconf_dad_begin+0x310/0x670
[ 1659.516836][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1659.516836][   T10]      process_one_work+0x84d/0x18a0
[ 1659.516836][   T10]      worker_thread+0x587/0xd30
[ 1659.516836][   T10]      kthread+0x28a/0x350
[ 1659.516836][   T10]      ret_from_fork+0x31/0x70
[ 1659.516836][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1659.516836][   T10] 
[ 1659.518789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.518789][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.518789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.518789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.518789][   T10]      ip6_route_add+0x1c/0x140
[ 1659.518789][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1659.518789][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1659.518789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.518789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.518789][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.518789][   T10]      netlink_unicast+0x449/0x710
[ 1659.518789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.518789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.518789][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.518789][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.518789][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.518789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.518789][   T10] 
[ 1659.520828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.520828][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.520828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.520828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.520828][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1659.520828][   T10]      ipv6_add_addr+0x411/0x2000
[ 1659.520828][   T10]      inet6_addr_add+0x30e/0xa40
[ 1659.520828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.520828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.520828][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.520828][   T10]      netlink_unicast+0x449/0x710
[ 1659.520828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.520828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.520828][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.520828][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.520828][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.520828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.520828][   T10] 
[ 1659.522861][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.522861][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.522861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.522861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.522861][   T10]      ip6_route_add+0x1c/0x140
[ 1659.522861][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1659.522861][   T10]      addrconf_add_dev+0xe2/0x170
[ 1659.522861][   T10]      inet6_addr_add+0x12f/0xa40
[ 1659.522861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.522861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.522861][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.522861][   T10]      netlink_unicast+0x449/0x710
[ 1659.522861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.522861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.522861][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.522861][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.522861][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.522861][   T10] 
[ 1659.524889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.524889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1659.524889][   T10]      ipv6_find_idev+0x102/0x170
[ 1659.524889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1659.524889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.524889][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.524889][   T10]      netlink_unicast+0x449/0x710
[ 1659.524889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.524889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.524889][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.524889][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.524889][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.524889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.524889][   T10] 
[ 1659.526447][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1659.526447][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1659.526447][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1659.526447][   T10]      ipv6_find_idev+0x102/0x170
[ 1659.526447][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1659.526447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.526447][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.526447][   T10]      netlink_unicast+0x449/0x710
[ 1659.526447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.526447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.526447][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.526447][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.526447][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.526447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.526447][   T10] 
[ 1659.528195][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1659.528440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.528440][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1659.528440][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1659.528440][   T10]      fib6_nh_init+0xa22/0x1580
[ 1659.528440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.528440][   T10]      ip6_route_add+0x1c/0x140
[ 1659.528440][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1659.528440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.528440][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.528440][   T10]      netlink_unicast+0x449/0x710
[ 1659.528440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.528440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.528440][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.528440][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.528440][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.528440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.528440][   T10] 
[ 1659.530357][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.530357][   T10]      dst_init+0x84/0x4a0
[ 1659.530357][   T10]      dst_alloc+0x97/0x150
[ 1659.530357][   T10]      ip6_dst_alloc+0x23/0x90
[ 1659.530357][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1659.530357][   T10]      ip6_pol_route+0x56f/0x840
[ 1659.530357][   T10]      fib6_rule_lookup+0x456/0x630
[ 1659.530357][   T10]      ip6_route_input+0x59c/0xa50
[ 1659.530357][   T10]      ipv6_rcv+0x397/0x810
[ 1659.530357][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1659.530357][   T10]      process_backlog+0x101/0x620
[ 1659.530357][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1659.530357][   T10]      net_rx_action+0x495/0xbe0
[ 1659.530357][   T10]      __do_softirq+0x1b5/0x7f6
[ 1659.530357][   T10] 
[ 1659.532013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.532013][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.532013][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.532013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.532013][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1659.532013][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1659.532013][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1659.532013][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1659.532013][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1659.532013][   T10]      addrconf_dad_begin+0x310/0x670
[ 1659.532013][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1659.532013][   T10]      process_one_work+0x84d/0x18a0
[ 1659.532013][   T10]      worker_thread+0x587/0xd30
[ 1659.532013][   T10]      kthread+0x28a/0x350
[ 1659.532013][   T10]      ret_from_fork+0x31/0x70
[ 1659.532013][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1659.532013][   T10] 
[ 1659.533949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.533949][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.533949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.533949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.533949][   T10]      ip6_route_add+0x1c/0x140
[ 1659.533949][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1659.533949][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1659.533949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.533949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.533949][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.533949][   T10]      netlink_unicast+0x449/0x710
[ 1659.533949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.533949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.533949][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.533949][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.533949][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.533949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.533949][   T10] 
[ 1659.536351][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.536351][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.536351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.536351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.536351][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1659.536351][   T10]      ipv6_add_addr+0x411/0x2000
[ 1659.536351][   T10]      inet6_addr_add+0x30e/0xa40
[ 1659.536351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.536351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.536351][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.536351][   T10]      netlink_unicast+0x449/0x710
[ 1659.536351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.536351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.536351][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.536351][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.536351][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.536351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.536351][   T10] 
[ 1659.538390][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.538390][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.538390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.538390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.538390][   T10]      ip6_route_add+0x1c/0x140
[ 1659.538390][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1659.538390][   T10]      addrconf_add_dev+0xe2/0x170
[ 1659.538390][   T10]      inet6_addr_add+0x12f/0xa40
[ 1659.538390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.538390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.538390][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.538390][   T10]      netlink_unicast+0x449/0x710
[ 1659.538390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.538390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.538390][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.538390][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.538390][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.538390][   T10] 
[ 1659.540701][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.540701][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1659.540701][   T10]      ipv6_find_idev+0x102/0x170
[ 1659.540701][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1659.540701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.540701][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.540701][   T10]      netlink_unicast+0x449/0x710
[ 1659.540701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.540701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.540701][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.540701][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.540701][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.540701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.540701][   T10] 
[ 1659.542442][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1659.542442][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1659.542442][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1659.542442][   T10]      ipv6_find_idev+0x102/0x170
[ 1659.542442][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1659.542442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.542442][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.542442][   T10]      netlink_unicast+0x449/0x710
[ 1659.542442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.542442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.542442][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.542442][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.542442][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.542442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.542442][   T10] 
[ 1659.544448][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1659.544725][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1659.544725][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.544725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.544725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.544725][   T10]      ip6_route_add+0x1c/0x140
[ 1659.544725][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1659.544725][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1659.544725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.544725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.544725][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.544725][   T10]      netlink_unicast+0x449/0x710
[ 1659.544725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.544725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.544725][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.544725][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.544725][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.544725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.544725][   T10] 
[ 1659.546998][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1659.546998][   T10]      netdev_get_by_index+0x5e/0x80
[ 1659.546998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1659.546998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1659.546998][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1659.546998][   T10]      ipv6_add_addr+0x411/0x2000
[ 1659.546998][   T10]      inet6_addr_add+0x30e/0xa40
[ 1659.546998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1659.546998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.546998][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.546998][   T10]      netlink_unicast+0x449/0x710
[ 1659.546998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.546998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.546998][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.546998][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.546998][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.546998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.546998][   T10] 
[ 1659.549265][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1659.549265][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1659.549265][   T10]      ipv6_find_idev+0x102/0x170
[ 1659.549265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1659.549265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.549265][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.549265][   T10]      netlink_unicast+0x449/0x710
[ 1659.549265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.549265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.549265][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.549265][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.549265][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.549265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.549265][   T10] 
[ 1659.551007][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1659.551007][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1659.551007][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1659.551007][   T10]      ipv6_find_idev+0x102/0x170
[ 1659.551007][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1659.551007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1659.551007][   T10]      netlink_rcv_skb+0x130/0x360
[ 1659.551007][   T10]      netlink_unicast+0x449/0x710
[ 1659.551007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1659.551007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1659.551007][   T10]      ___sys_sendmsg+0xee/0x170
[ 1659.551007][   T10]      __sys_sendmsg+0xcd/0x170
[ 1659.551007][   T10]      do_syscall_64+0xc6/0x1e0
[ 1659.551007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1659.551007][   T10] 
[ 1669.792703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1669.793142][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.793142][   T10]      dst_init+0x84/0x4a0
[ 1669.793142][   T10]      dst_alloc+0x97/0x150
[ 1669.793142][   T10]      ip6_dst_alloc+0x23/0x90
[ 1669.793142][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1669.793142][   T10]      ip6_pol_route+0x56f/0x840
[ 1669.793142][   T10]      fib6_rule_lookup+0x456/0x630
[ 1669.793142][   T10]      ip6_route_input+0x59c/0xa50
[ 1669.793142][   T10]      ipv6_rcv+0x397/0x810
[ 1669.793142][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1669.793142][   T10]      process_backlog+0x101/0x620
[ 1669.793142][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1669.793142][   T10]      net_rx_action+0x495/0xbe0
[ 1669.793142][   T10]      __do_softirq+0x1b5/0x7f6
[ 1669.793142][   T10] 
[ 1669.794831][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.794831][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1669.794831][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1669.794831][   T10]      fib6_nh_init+0xa22/0x1580
[ 1669.794831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.794831][   T10]      ip6_route_add+0x1c/0x140
[ 1669.794831][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1669.794831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.794831][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.794831][   T10]      netlink_unicast+0x449/0x710
[ 1669.794831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.794831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.794831][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.794831][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.794831][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.794831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.794831][   T10] 
[ 1669.796744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.796744][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.796744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.796744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.796744][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1669.796744][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1669.796744][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1669.796744][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1669.796744][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1669.796744][   T10]      addrconf_dad_begin+0x310/0x670
[ 1669.796744][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1669.796744][   T10]      process_one_work+0x84d/0x18a0
[ 1669.796744][   T10]      worker_thread+0x587/0xd30
[ 1669.796744][   T10]      kthread+0x28a/0x350
[ 1669.796744][   T10]      ret_from_fork+0x31/0x70
[ 1669.796744][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1669.796744][   T10] 
[ 1669.798699][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.798699][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.798699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.798699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.798699][   T10]      ip6_route_add+0x1c/0x140
[ 1669.798699][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1669.798699][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1669.798699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.798699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.798699][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.798699][   T10]      netlink_unicast+0x449/0x710
[ 1669.798699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.798699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.798699][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.798699][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.798699][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.798699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.798699][   T10] 
[ 1669.800714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.800714][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.800714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.800714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.800714][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1669.800714][   T10]      ipv6_add_addr+0x411/0x2000
[ 1669.800714][   T10]      inet6_addr_add+0x30e/0xa40
[ 1669.800714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.800714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.800714][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.800714][   T10]      netlink_unicast+0x449/0x710
[ 1669.800714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.800714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.800714][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.800714][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.800714][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.800714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.800714][   T10] 
[ 1669.802738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.802738][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.802738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.802738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.802738][   T10]      ip6_route_add+0x1c/0x140
[ 1669.802738][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1669.802738][   T10]      addrconf_add_dev+0xe2/0x170
[ 1669.802738][   T10]      inet6_addr_add+0x12f/0xa40
[ 1669.802738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.802738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.802738][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.802738][   T10]      netlink_unicast+0x449/0x710
[ 1669.802738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.802738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.802738][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.802738][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.802738][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.802738][   T10] 
[ 1669.804762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.804762][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1669.804762][   T10]      ipv6_find_idev+0x102/0x170
[ 1669.804762][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1669.804762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.804762][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.804762][   T10]      netlink_unicast+0x449/0x710
[ 1669.804762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.804762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.804762][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.804762][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.804762][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.804762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.804762][   T10] 
[ 1669.806309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1669.806309][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1669.806309][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1669.806309][   T10]      ipv6_find_idev+0x102/0x170
[ 1669.806309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1669.806309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.806309][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.806309][   T10]      netlink_unicast+0x449/0x710
[ 1669.806309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.806309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.806309][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.806309][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.806309][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.806309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.806309][   T10] 
[ 1669.808014][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1669.808257][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.808257][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1669.808257][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1669.808257][   T10]      fib6_nh_init+0xa22/0x1580
[ 1669.808257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.808257][   T10]      ip6_route_add+0x1c/0x140
[ 1669.808257][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1669.808257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.808257][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.808257][   T10]      netlink_unicast+0x449/0x710
[ 1669.808257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.808257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.808257][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.808257][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.808257][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.808257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.808257][   T10] 
[ 1669.810135][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.810135][   T10]      dst_init+0x84/0x4a0
[ 1669.810135][   T10]      dst_alloc+0x97/0x150
[ 1669.810135][   T10]      ip6_dst_alloc+0x23/0x90
[ 1669.810135][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1669.810135][   T10]      ip6_pol_route+0x56f/0x840
[ 1669.810135][   T10]      fib6_rule_lookup+0x456/0x630
[ 1669.810135][   T10]      ip6_route_input+0x59c/0xa50
[ 1669.810135][   T10]      ipv6_rcv+0x397/0x810
[ 1669.810135][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1669.810135][   T10]      process_backlog+0x101/0x620
[ 1669.810135][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1669.810135][   T10]      net_rx_action+0x495/0xbe0
[ 1669.810135][   T10]      __do_softirq+0x1b5/0x7f6
[ 1669.810135][   T10] 
[ 1669.811767][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.811767][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.811767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.811767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.811767][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1669.811767][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1669.811767][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1669.811767][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1669.811767][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1669.811767][   T10]      addrconf_dad_begin+0x310/0x670
[ 1669.811767][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1669.811767][   T10]      process_one_work+0x84d/0x18a0
[ 1669.811767][   T10]      worker_thread+0x587/0xd30
[ 1669.811767][   T10]      kthread+0x28a/0x350
[ 1669.811767][   T10]      ret_from_fork+0x31/0x70
[ 1669.811767][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1669.811767][   T10] 
[ 1669.813679][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.813679][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.813679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.813679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.813679][   T10]      ip6_route_add+0x1c/0x140
[ 1669.813679][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1669.813679][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1669.813679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.813679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.813679][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.813679][   T10]      netlink_unicast+0x449/0x710
[ 1669.813679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.813679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.813679][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.813679][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.813679][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.813679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.813679][   T10] 
[ 1669.815680][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.815680][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.815680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.815680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.815680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1669.815680][   T10]      ipv6_add_addr+0x411/0x2000
[ 1669.815680][   T10]      inet6_addr_add+0x30e/0xa40
[ 1669.815680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.815680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.815680][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.815680][   T10]      netlink_unicast+0x449/0x710
[ 1669.815680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.815680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.815680][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.815680][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.815680][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.815680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.815680][   T10] 
[ 1669.817696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.817696][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.817696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.817696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.817696][   T10]      ip6_route_add+0x1c/0x140
[ 1669.817696][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1669.817696][   T10]      addrconf_add_dev+0xe2/0x170
[ 1669.817696][   T10]      inet6_addr_add+0x12f/0xa40
[ 1669.817696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.817696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.817696][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.817696][   T10]      netlink_unicast+0x449/0x710
[ 1669.817696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.817696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.817696][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.817696][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.817696][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.817696][   T10] 
[ 1669.819846][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.819846][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1669.819846][   T10]      ipv6_find_idev+0x102/0x170
[ 1669.819846][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1669.819846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.819846][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.819846][   T10]      netlink_unicast+0x449/0x710
[ 1669.819846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.819846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.819846][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.819846][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.819846][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.819846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.819846][   T10] 
[ 1669.821631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1669.821631][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1669.821631][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1669.821631][   T10]      ipv6_find_idev+0x102/0x170
[ 1669.821631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1669.821631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.821631][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.821631][   T10]      netlink_unicast+0x449/0x710
[ 1669.821631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.821631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.821631][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.821631][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.821631][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.821631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.821631][   T10] 
[ 1669.823500][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1669.823898][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1669.823898][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.823898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.823898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.823898][   T10]      ip6_route_add+0x1c/0x140
[ 1669.823898][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1669.823898][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1669.823898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.823898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.823898][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.823898][   T10]      netlink_unicast+0x449/0x710
[ 1669.823898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.823898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.823898][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.823898][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.823898][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.823898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.823898][   T10] 
[ 1669.826026][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1669.826026][   T10]      netdev_get_by_index+0x5e/0x80
[ 1669.826026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1669.826026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1669.826026][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1669.826026][   T10]      ipv6_add_addr+0x411/0x2000
[ 1669.826026][   T10]      inet6_addr_add+0x30e/0xa40
[ 1669.826026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1669.826026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.826026][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.826026][   T10]      netlink_unicast+0x449/0x710
[ 1669.826026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.826026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.826026][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.826026][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.826026][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.826026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.826026][   T10] 
[ 1669.828269][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1669.828269][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1669.828269][   T10]      ipv6_find_idev+0x102/0x170
[ 1669.828269][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1669.828269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.828269][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.828269][   T10]      netlink_unicast+0x449/0x710
[ 1669.828269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.828269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.828269][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.828269][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.828269][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.828269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.828269][   T10] 
[ 1669.830065][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1669.830065][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1669.830065][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1669.830065][   T10]      ipv6_find_idev+0x102/0x170
[ 1669.830065][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1669.830065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1669.830065][   T10]      netlink_rcv_skb+0x130/0x360
[ 1669.830065][   T10]      netlink_unicast+0x449/0x710
[ 1669.830065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1669.830065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1669.830065][   T10]      ___sys_sendmsg+0xee/0x170
[ 1669.830065][   T10]      __sys_sendmsg+0xcd/0x170
[ 1669.830065][   T10]      do_syscall_64+0xc6/0x1e0
[ 1669.830065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1669.830065][   T10] 
[ 1680.072715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1680.073164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.073164][   T10]      dst_init+0x84/0x4a0
[ 1680.073164][   T10]      dst_alloc+0x97/0x150
[ 1680.073164][   T10]      ip6_dst_alloc+0x23/0x90
[ 1680.073164][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1680.073164][   T10]      ip6_pol_route+0x56f/0x840
[ 1680.073164][   T10]      fib6_rule_lookup+0x456/0x630
[ 1680.073164][   T10]      ip6_route_input+0x59c/0xa50
[ 1680.073164][   T10]      ipv6_rcv+0x397/0x810
[ 1680.073164][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1680.073164][   T10]      process_backlog+0x101/0x620
[ 1680.073164][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1680.073164][   T10]      net_rx_action+0x495/0xbe0
[ 1680.073164][   T10]      __do_softirq+0x1b5/0x7f6
[ 1680.073164][   T10] 
[ 1680.074876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.074876][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1680.074876][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1680.074876][   T10]      fib6_nh_init+0xa22/0x1580
[ 1680.074876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.074876][   T10]      ip6_route_add+0x1c/0x140
[ 1680.074876][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1680.074876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.074876][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.074876][   T10]      netlink_unicast+0x449/0x710
[ 1680.074876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.074876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.074876][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.074876][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.074876][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.074876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.074876][   T10] 
[ 1680.076781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.076781][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.076781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.076781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.076781][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1680.076781][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1680.076781][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1680.076781][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1680.076781][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1680.076781][   T10]      addrconf_dad_begin+0x310/0x670
[ 1680.076781][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1680.076781][   T10]      process_one_work+0x84d/0x18a0
[ 1680.076781][   T10]      worker_thread+0x587/0xd30
[ 1680.076781][   T10]      kthread+0x28a/0x350
[ 1680.076781][   T10]      ret_from_fork+0x31/0x70
[ 1680.076781][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1680.076781][   T10] 
[ 1680.078693][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.078693][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.078693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.078693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.078693][   T10]      ip6_route_add+0x1c/0x140
[ 1680.078693][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1680.078693][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1680.078693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.078693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.078693][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.078693][   T10]      netlink_unicast+0x449/0x710
[ 1680.078693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.078693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.078693][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.078693][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.078693][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.078693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.078693][   T10] 
[ 1680.080694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.080694][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.080694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.080694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.080694][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1680.080694][   T10]      ipv6_add_addr+0x411/0x2000
[ 1680.080694][   T10]      inet6_addr_add+0x30e/0xa40
[ 1680.080694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.080694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.080694][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.080694][   T10]      netlink_unicast+0x449/0x710
[ 1680.080694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.080694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.080694][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.080694][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.080694][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.080694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.080694][   T10] 
[ 1680.082702][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.082702][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.082702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.082702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.082702][   T10]      ip6_route_add+0x1c/0x140
[ 1680.082702][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1680.082702][   T10]      addrconf_add_dev+0xe2/0x170
[ 1680.082702][   T10]      inet6_addr_add+0x12f/0xa40
[ 1680.082702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.082702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.082702][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.082702][   T10]      netlink_unicast+0x449/0x710
[ 1680.082702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.082702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.082702][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.082702][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.082702][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.082702][   T10] 
[ 1680.084671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.084671][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1680.084671][   T10]      ipv6_find_idev+0x102/0x170
[ 1680.084671][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1680.084671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.084671][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.084671][   T10]      netlink_unicast+0x449/0x710
[ 1680.084671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.084671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.084671][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.084671][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.084671][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.084671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.084671][   T10] 
[ 1680.086211][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1680.086211][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1680.086211][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1680.086211][   T10]      ipv6_find_idev+0x102/0x170
[ 1680.086211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1680.086211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.086211][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.086211][   T10]      netlink_unicast+0x449/0x710
[ 1680.086211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.086211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.086211][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.086211][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.086211][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.086211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.086211][   T10] 
[ 1680.087925][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1680.088168][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.088168][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1680.088168][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1680.088168][   T10]      fib6_nh_init+0xa22/0x1580
[ 1680.088168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.088168][   T10]      ip6_route_add+0x1c/0x140
[ 1680.088168][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1680.088168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.088168][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.088168][   T10]      netlink_unicast+0x449/0x710
[ 1680.088168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.088168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.088168][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.088168][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.088168][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.088168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.088168][   T10] 
[ 1680.090049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.090049][   T10]      dst_init+0x84/0x4a0
[ 1680.090049][   T10]      dst_alloc+0x97/0x150
[ 1680.090049][   T10]      ip6_dst_alloc+0x23/0x90
[ 1680.090049][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1680.090049][   T10]      ip6_pol_route+0x56f/0x840
[ 1680.090049][   T10]      fib6_rule_lookup+0x456/0x630
[ 1680.090049][   T10]      ip6_route_input+0x59c/0xa50
[ 1680.090049][   T10]      ipv6_rcv+0x397/0x810
[ 1680.090049][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1680.090049][   T10]      process_backlog+0x101/0x620
[ 1680.090049][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1680.090049][   T10]      net_rx_action+0x495/0xbe0
[ 1680.090049][   T10]      __do_softirq+0x1b5/0x7f6
[ 1680.090049][   T10] 
[ 1680.091688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.091688][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.091688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.091688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.091688][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1680.091688][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1680.091688][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1680.091688][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1680.091688][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1680.091688][   T10]      addrconf_dad_begin+0x310/0x670
[ 1680.091688][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1680.091688][   T10]      process_one_work+0x84d/0x18a0
[ 1680.091688][   T10]      worker_thread+0x587/0xd30
[ 1680.091688][   T10]      kthread+0x28a/0x350
[ 1680.091688][   T10]      ret_from_fork+0x31/0x70
[ 1680.091688][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1680.091688][   T10] 
[ 1680.093605][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.093605][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.093605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.093605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.093605][   T10]      ip6_route_add+0x1c/0x140
[ 1680.093605][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1680.093605][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1680.093605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.093605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.093605][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.093605][   T10]      netlink_unicast+0x449/0x710
[ 1680.093605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.093605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.093605][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.093605][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.093605][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.093605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.093605][   T10] 
[ 1680.095618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.095618][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.095618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.095618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.095618][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1680.095618][   T10]      ipv6_add_addr+0x411/0x2000
[ 1680.095618][   T10]      inet6_addr_add+0x30e/0xa40
[ 1680.095618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.095618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.095618][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.095618][   T10]      netlink_unicast+0x449/0x710
[ 1680.095618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.095618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.095618][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.095618][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.095618][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.095618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.095618][   T10] 
[ 1680.097625][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.097625][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.097625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.097625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.097625][   T10]      ip6_route_add+0x1c/0x140
[ 1680.097625][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1680.097625][   T10]      addrconf_add_dev+0xe2/0x170
[ 1680.097625][   T10]      inet6_addr_add+0x12f/0xa40
[ 1680.097625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.097625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.097625][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.097625][   T10]      netlink_unicast+0x449/0x710
[ 1680.097625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.097625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.097625][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.097625][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.097625][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.097625][   T10] 
[ 1680.099771][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.099771][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1680.099771][   T10]      ipv6_find_idev+0x102/0x170
[ 1680.099771][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1680.099771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.099771][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.099771][   T10]      netlink_unicast+0x449/0x710
[ 1680.099771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.099771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.099771][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.099771][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.099771][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.099771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.099771][   T10] 
[ 1680.101492][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1680.101492][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1680.101492][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1680.101492][   T10]      ipv6_find_idev+0x102/0x170
[ 1680.101492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1680.101492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.101492][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.101492][   T10]      netlink_unicast+0x449/0x710
[ 1680.101492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.101492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.101492][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.101492][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.101492][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.101492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.101492][   T10] 
[ 1680.103429][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1680.103762][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1680.103762][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.103762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.103762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.103762][   T10]      ip6_route_add+0x1c/0x140
[ 1680.103762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1680.103762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1680.103762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.103762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.103762][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.103762][   T10]      netlink_unicast+0x449/0x710
[ 1680.103762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.103762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.103762][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.103762][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.103762][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.103762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.103762][   T10] 
[ 1680.105875][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1680.105875][   T10]      netdev_get_by_index+0x5e/0x80
[ 1680.105875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1680.105875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1680.105875][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1680.105875][   T10]      ipv6_add_addr+0x411/0x2000
[ 1680.105875][   T10]      inet6_addr_add+0x30e/0xa40
[ 1680.105875][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1680.105875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.105875][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.105875][   T10]      netlink_unicast+0x449/0x710
[ 1680.105875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.105875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.105875][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.105875][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.105875][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.105875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.105875][   T10] 
[ 1680.108062][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1680.108062][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1680.108062][   T10]      ipv6_find_idev+0x102/0x170
[ 1680.108062][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1680.108062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.108062][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.108062][   T10]      netlink_unicast+0x449/0x710
[ 1680.108062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.108062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.108062][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.108062][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.108062][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.108062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.108062][   T10] 
[ 1680.109786][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1680.109786][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1680.109786][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1680.109786][   T10]      ipv6_find_idev+0x102/0x170
[ 1680.109786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1680.109786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1680.109786][   T10]      netlink_rcv_skb+0x130/0x360
[ 1680.109786][   T10]      netlink_unicast+0x449/0x710
[ 1680.109786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1680.109786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1680.109786][   T10]      ___sys_sendmsg+0xee/0x170
[ 1680.109786][   T10]      __sys_sendmsg+0xcd/0x170
[ 1680.109786][   T10]      do_syscall_64+0xc6/0x1e0
[ 1680.109786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1680.109786][   T10] 
[ 1690.352700][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1690.353150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.353150][   T10]      dst_init+0x84/0x4a0
[ 1690.353150][   T10]      dst_alloc+0x97/0x150
[ 1690.353150][   T10]      ip6_dst_alloc+0x23/0x90
[ 1690.353150][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1690.353150][   T10]      ip6_pol_route+0x56f/0x840
[ 1690.353150][   T10]      fib6_rule_lookup+0x456/0x630
[ 1690.353150][   T10]      ip6_route_input+0x59c/0xa50
[ 1690.353150][   T10]      ipv6_rcv+0x397/0x810
[ 1690.353150][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1690.353150][   T10]      process_backlog+0x101/0x620
[ 1690.353150][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1690.353150][   T10]      net_rx_action+0x495/0xbe0
[ 1690.353150][   T10]      __do_softirq+0x1b5/0x7f6
[ 1690.353150][   T10] 
[ 1690.354878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.354878][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1690.354878][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1690.354878][   T10]      fib6_nh_init+0xa22/0x1580
[ 1690.354878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.354878][   T10]      ip6_route_add+0x1c/0x140
[ 1690.354878][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1690.354878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.354878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.354878][   T10]      netlink_unicast+0x449/0x710
[ 1690.354878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.354878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.354878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.354878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.354878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.354878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.354878][   T10] 
[ 1690.356775][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.356775][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.356775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.356775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.356775][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1690.356775][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1690.356775][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1690.356775][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1690.356775][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1690.356775][   T10]      addrconf_dad_begin+0x310/0x670
[ 1690.356775][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1690.356775][   T10]      process_one_work+0x84d/0x18a0
[ 1690.356775][   T10]      worker_thread+0x587/0xd30
[ 1690.356775][   T10]      kthread+0x28a/0x350
[ 1690.356775][   T10]      ret_from_fork+0x31/0x70
[ 1690.356775][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1690.356775][   T10] 
[ 1690.358697][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.358697][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.358697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.358697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.358697][   T10]      ip6_route_add+0x1c/0x140
[ 1690.358697][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1690.358697][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1690.358697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.358697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.358697][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.358697][   T10]      netlink_unicast+0x449/0x710
[ 1690.358697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.358697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.358697][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.358697][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.358697][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.358697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.358697][   T10] 
[ 1690.360705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.360705][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.360705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.360705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.360705][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1690.360705][   T10]      ipv6_add_addr+0x411/0x2000
[ 1690.360705][   T10]      inet6_addr_add+0x30e/0xa40
[ 1690.360705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.360705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.360705][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.360705][   T10]      netlink_unicast+0x449/0x710
[ 1690.360705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.360705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.360705][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.360705][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.360705][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.360705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.360705][   T10] 
[ 1690.362723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.362723][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.362723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.362723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.362723][   T10]      ip6_route_add+0x1c/0x140
[ 1690.362723][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1690.362723][   T10]      addrconf_add_dev+0xe2/0x170
[ 1690.362723][   T10]      inet6_addr_add+0x12f/0xa40
[ 1690.362723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.362723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.362723][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.362723][   T10]      netlink_unicast+0x449/0x710
[ 1690.362723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.362723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.362723][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.362723][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.362723][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.362723][   T10] 
[ 1690.364694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.364694][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1690.364694][   T10]      ipv6_find_idev+0x102/0x170
[ 1690.364694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1690.364694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.364694][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.364694][   T10]      netlink_unicast+0x449/0x710
[ 1690.364694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.364694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.364694][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.364694][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.364694][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.364694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.364694][   T10] 
[ 1690.366237][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1690.366237][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1690.366237][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1690.366237][   T10]      ipv6_find_idev+0x102/0x170
[ 1690.366237][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1690.366237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.366237][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.366237][   T10]      netlink_unicast+0x449/0x710
[ 1690.366237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.366237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.366237][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.366237][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.366237][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.366237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.366237][   T10] 
[ 1690.367939][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1690.368179][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.368179][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1690.368179][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1690.368179][   T10]      fib6_nh_init+0xa22/0x1580
[ 1690.368179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.368179][   T10]      ip6_route_add+0x1c/0x140
[ 1690.368179][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1690.368179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.368179][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.368179][   T10]      netlink_unicast+0x449/0x710
[ 1690.368179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.368179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.368179][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.368179][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.368179][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.368179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.368179][   T10] 
[ 1690.370055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.370055][   T10]      dst_init+0x84/0x4a0
[ 1690.370055][   T10]      dst_alloc+0x97/0x150
[ 1690.370055][   T10]      ip6_dst_alloc+0x23/0x90
[ 1690.370055][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1690.370055][   T10]      ip6_pol_route+0x56f/0x840
[ 1690.370055][   T10]      fib6_rule_lookup+0x456/0x630
[ 1690.370055][   T10]      ip6_route_input+0x59c/0xa50
[ 1690.370055][   T10]      ipv6_rcv+0x397/0x810
[ 1690.370055][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1690.370055][   T10]      process_backlog+0x101/0x620
[ 1690.370055][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1690.370055][   T10]      net_rx_action+0x495/0xbe0
[ 1690.370055][   T10]      __do_softirq+0x1b5/0x7f6
[ 1690.370055][   T10] 
[ 1690.371690][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.371690][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.371690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.371690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.371690][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1690.371690][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1690.371690][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1690.371690][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1690.371690][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1690.371690][   T10]      addrconf_dad_begin+0x310/0x670
[ 1690.371690][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1690.371690][   T10]      process_one_work+0x84d/0x18a0
[ 1690.371690][   T10]      worker_thread+0x587/0xd30
[ 1690.371690][   T10]      kthread+0x28a/0x350
[ 1690.371690][   T10]      ret_from_fork+0x31/0x70
[ 1690.371690][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1690.371690][   T10] 
[ 1690.373601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.373601][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.373601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.373601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.373601][   T10]      ip6_route_add+0x1c/0x140
[ 1690.373601][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1690.373601][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1690.373601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.373601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.373601][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.373601][   T10]      netlink_unicast+0x449/0x710
[ 1690.373601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.373601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.373601][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.373601][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.373601][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.373601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.373601][   T10] 
[ 1690.375598][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.375598][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.375598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.375598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.375598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1690.375598][   T10]      ipv6_add_addr+0x411/0x2000
[ 1690.375598][   T10]      inet6_addr_add+0x30e/0xa40
[ 1690.375598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.375598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.375598][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.375598][   T10]      netlink_unicast+0x449/0x710
[ 1690.375598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.375598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.375598][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.375598][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.375598][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.375598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.375598][   T10] 
[ 1690.377606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.377606][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.377606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.377606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.377606][   T10]      ip6_route_add+0x1c/0x140
[ 1690.377606][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1690.377606][   T10]      addrconf_add_dev+0xe2/0x170
[ 1690.377606][   T10]      inet6_addr_add+0x12f/0xa40
[ 1690.377606][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.377606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.377606][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.377606][   T10]      netlink_unicast+0x449/0x710
[ 1690.377606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.377606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.377606][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.377606][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.377606][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.377606][   T10] 
[ 1690.379765][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.379765][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1690.379765][   T10]      ipv6_find_idev+0x102/0x170
[ 1690.379765][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1690.379765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.379765][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.379765][   T10]      netlink_unicast+0x449/0x710
[ 1690.379765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.379765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.379765][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.379765][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.379765][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.379765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.379765][   T10] 
[ 1690.381546][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1690.381546][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1690.381546][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1690.381546][   T10]      ipv6_find_idev+0x102/0x170
[ 1690.381546][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1690.381546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.381546][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.381546][   T10]      netlink_unicast+0x449/0x710
[ 1690.381546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.381546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.381546][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.381546][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.381546][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.381546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.381546][   T10] 
[ 1690.383488][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1690.383817][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1690.383817][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.383817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.383817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.383817][   T10]      ip6_route_add+0x1c/0x140
[ 1690.383817][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1690.383817][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1690.383817][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.383817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.383817][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.383817][   T10]      netlink_unicast+0x449/0x710
[ 1690.383817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.383817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.383817][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.383817][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.383817][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.383817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.383817][   T10] 
[ 1690.385943][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1690.385943][   T10]      netdev_get_by_index+0x5e/0x80
[ 1690.385943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1690.385943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1690.385943][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1690.385943][   T10]      ipv6_add_addr+0x411/0x2000
[ 1690.385943][   T10]      inet6_addr_add+0x30e/0xa40
[ 1690.385943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1690.385943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.385943][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.385943][   T10]      netlink_unicast+0x449/0x710
[ 1690.385943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.385943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.385943][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.385943][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.385943][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.385943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.385943][   T10] 
[ 1690.388513][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1690.388513][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1690.388513][   T10]      ipv6_find_idev+0x102/0x170
[ 1690.388513][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1690.388513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.388513][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.388513][   T10]      netlink_unicast+0x449/0x710
[ 1690.388513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.388513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.388513][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.388513][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.388513][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.388513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.388513][   T10] 
[ 1690.390312][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1690.390312][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1690.390312][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1690.390312][   T10]      ipv6_find_idev+0x102/0x170
[ 1690.390312][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1690.390312][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1690.390312][   T10]      netlink_rcv_skb+0x130/0x360
[ 1690.390312][   T10]      netlink_unicast+0x449/0x710
[ 1690.390312][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1690.390312][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1690.390312][   T10]      ___sys_sendmsg+0xee/0x170
[ 1690.390312][   T10]      __sys_sendmsg+0xcd/0x170
[ 1690.390312][   T10]      do_syscall_64+0xc6/0x1e0
[ 1690.390312][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1690.390312][   T10] 
[ 1700.632695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1700.633164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.633164][   T10]      dst_init+0x84/0x4a0
[ 1700.633164][   T10]      dst_alloc+0x97/0x150
[ 1700.633164][   T10]      ip6_dst_alloc+0x23/0x90
[ 1700.633164][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1700.633164][   T10]      ip6_pol_route+0x56f/0x840
[ 1700.633164][   T10]      fib6_rule_lookup+0x456/0x630
[ 1700.633164][   T10]      ip6_route_input+0x59c/0xa50
[ 1700.633164][   T10]      ipv6_rcv+0x397/0x810
[ 1700.633164][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1700.633164][   T10]      process_backlog+0x101/0x620
[ 1700.633164][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1700.633164][   T10]      net_rx_action+0x495/0xbe0
[ 1700.633164][   T10]      __do_softirq+0x1b5/0x7f6
[ 1700.633164][   T10] 
[ 1700.634836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.634836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1700.634836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1700.634836][   T10]      fib6_nh_init+0xa22/0x1580
[ 1700.634836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.634836][   T10]      ip6_route_add+0x1c/0x140
[ 1700.634836][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1700.634836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.634836][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.634836][   T10]      netlink_unicast+0x449/0x710
[ 1700.634836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.634836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.634836][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.634836][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.634836][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.634836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.634836][   T10] 
[ 1700.636729][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.636729][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.636729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.636729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.636729][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1700.636729][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1700.636729][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1700.636729][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1700.636729][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1700.636729][   T10]      addrconf_dad_begin+0x310/0x670
[ 1700.636729][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1700.636729][   T10]      process_one_work+0x84d/0x18a0
[ 1700.636729][   T10]      worker_thread+0x587/0xd30
[ 1700.636729][   T10]      kthread+0x28a/0x350
[ 1700.636729][   T10]      ret_from_fork+0x31/0x70
[ 1700.636729][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1700.636729][   T10] 
[ 1700.638652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.638652][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.638652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.638652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.638652][   T10]      ip6_route_add+0x1c/0x140
[ 1700.638652][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1700.638652][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1700.638652][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.638652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.638652][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.638652][   T10]      netlink_unicast+0x449/0x710
[ 1700.638652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.638652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.638652][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.638652][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.638652][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.638652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.638652][   T10] 
[ 1700.640650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.640650][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.640650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.640650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.640650][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1700.640650][   T10]      ipv6_add_addr+0x411/0x2000
[ 1700.640650][   T10]      inet6_addr_add+0x30e/0xa40
[ 1700.640650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.640650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.640650][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.640650][   T10]      netlink_unicast+0x449/0x710
[ 1700.640650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.640650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.640650][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.640650][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.640650][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.640650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.640650][   T10] 
[ 1700.642652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.642652][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.642652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.642652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.642652][   T10]      ip6_route_add+0x1c/0x140
[ 1700.642652][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1700.642652][   T10]      addrconf_add_dev+0xe2/0x170
[ 1700.642652][   T10]      inet6_addr_add+0x12f/0xa40
[ 1700.642652][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.642652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.642652][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.642652][   T10]      netlink_unicast+0x449/0x710
[ 1700.642652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.642652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.642652][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.642652][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.642652][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.642652][   T10] 
[ 1700.644620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.644620][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1700.644620][   T10]      ipv6_find_idev+0x102/0x170
[ 1700.644620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1700.644620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.644620][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.644620][   T10]      netlink_unicast+0x449/0x710
[ 1700.644620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.644620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.644620][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.644620][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.644620][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.644620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.644620][   T10] 
[ 1700.646161][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1700.646161][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1700.646161][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1700.646161][   T10]      ipv6_find_idev+0x102/0x170
[ 1700.646161][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1700.646161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.646161][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.646161][   T10]      netlink_unicast+0x449/0x710
[ 1700.646161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.646161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.646161][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.646161][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.646161][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.646161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.646161][   T10] 
[ 1700.647866][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1700.648108][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.648108][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1700.648108][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1700.648108][   T10]      fib6_nh_init+0xa22/0x1580
[ 1700.648108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.648108][   T10]      ip6_route_add+0x1c/0x140
[ 1700.648108][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1700.648108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.648108][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.648108][   T10]      netlink_unicast+0x449/0x710
[ 1700.648108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.648108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.648108][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.648108][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.648108][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.648108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.648108][   T10] 
[ 1700.649986][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.649986][   T10]      dst_init+0x84/0x4a0
[ 1700.649986][   T10]      dst_alloc+0x97/0x150
[ 1700.649986][   T10]      ip6_dst_alloc+0x23/0x90
[ 1700.649986][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1700.649986][   T10]      ip6_pol_route+0x56f/0x840
[ 1700.649986][   T10]      fib6_rule_lookup+0x456/0x630
[ 1700.649986][   T10]      ip6_route_input+0x59c/0xa50
[ 1700.649986][   T10]      ipv6_rcv+0x397/0x810
[ 1700.649986][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1700.649986][   T10]      process_backlog+0x101/0x620
[ 1700.649986][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1700.649986][   T10]      net_rx_action+0x495/0xbe0
[ 1700.649986][   T10]      __do_softirq+0x1b5/0x7f6
[ 1700.649986][   T10] 
[ 1700.651628][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.651628][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.651628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.651628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.651628][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1700.651628][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1700.651628][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1700.651628][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1700.651628][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1700.651628][   T10]      addrconf_dad_begin+0x310/0x670
[ 1700.651628][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1700.651628][   T10]      process_one_work+0x84d/0x18a0
[ 1700.651628][   T10]      worker_thread+0x587/0xd30
[ 1700.651628][   T10]      kthread+0x28a/0x350
[ 1700.651628][   T10]      ret_from_fork+0x31/0x70
[ 1700.651628][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1700.651628][   T10] 
[ 1700.653552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.653552][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.653552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.653552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.653552][   T10]      ip6_route_add+0x1c/0x140
[ 1700.653552][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1700.653552][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1700.653552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.653552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.653552][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.653552][   T10]      netlink_unicast+0x449/0x710
[ 1700.653552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.653552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.653552][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.653552][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.653552][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.653552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.653552][   T10] 
[ 1700.655629][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.655629][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.655629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.655629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.655629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1700.655629][   T10]      ipv6_add_addr+0x411/0x2000
[ 1700.655629][   T10]      inet6_addr_add+0x30e/0xa40
[ 1700.655629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.655629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.655629][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.655629][   T10]      netlink_unicast+0x449/0x710
[ 1700.655629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.655629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.655629][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.655629][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.655629][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.655629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.655629][   T10] 
[ 1700.657637][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.657637][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.657637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.657637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.657637][   T10]      ip6_route_add+0x1c/0x140
[ 1700.657637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1700.657637][   T10]      addrconf_add_dev+0xe2/0x170
[ 1700.657637][   T10]      inet6_addr_add+0x12f/0xa40
[ 1700.657637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.657637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.657637][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.657637][   T10]      netlink_unicast+0x449/0x710
[ 1700.657637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.657637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.657637][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.657637][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.657637][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.657637][   T10] 
[ 1700.659789][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.659789][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1700.659789][   T10]      ipv6_find_idev+0x102/0x170
[ 1700.659789][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1700.659789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.659789][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.659789][   T10]      netlink_unicast+0x449/0x710
[ 1700.659789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.659789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.659789][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.659789][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.659789][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.659789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.659789][   T10] 
[ 1700.661509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1700.661509][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1700.661509][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1700.661509][   T10]      ipv6_find_idev+0x102/0x170
[ 1700.661509][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1700.661509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.661509][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.661509][   T10]      netlink_unicast+0x449/0x710
[ 1700.661509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.661509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.661509][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.661509][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.661509][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.661509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.661509][   T10] 
[ 1700.663440][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1700.664091][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1700.664091][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.664091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.664091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.664091][   T10]      ip6_route_add+0x1c/0x140
[ 1700.664091][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1700.664091][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1700.664091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.664091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.664091][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.664091][   T10]      netlink_unicast+0x449/0x710
[ 1700.664091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.664091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.664091][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.664091][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.664091][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.664091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.664091][   T10] 
[ 1700.666277][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1700.666277][   T10]      netdev_get_by_index+0x5e/0x80
[ 1700.666277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1700.666277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1700.666277][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1700.666277][   T10]      ipv6_add_addr+0x411/0x2000
[ 1700.666277][   T10]      inet6_addr_add+0x30e/0xa40
[ 1700.666277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1700.666277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.666277][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.666277][   T10]      netlink_unicast+0x449/0x710
[ 1700.666277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.666277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.666277][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.666277][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.666277][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.666277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.666277][   T10] 
[ 1700.668517][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1700.668517][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1700.668517][   T10]      ipv6_find_idev+0x102/0x170
[ 1700.668517][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1700.668517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.668517][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.668517][   T10]      netlink_unicast+0x449/0x710
[ 1700.668517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.668517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.668517][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.668517][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.668517][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.668517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.668517][   T10] 
[ 1700.670244][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1700.670244][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1700.670244][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1700.670244][   T10]      ipv6_find_idev+0x102/0x170
[ 1700.670244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1700.670244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1700.670244][   T10]      netlink_rcv_skb+0x130/0x360
[ 1700.670244][   T10]      netlink_unicast+0x449/0x710
[ 1700.670244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1700.670244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1700.670244][   T10]      ___sys_sendmsg+0xee/0x170
[ 1700.670244][   T10]      __sys_sendmsg+0xcd/0x170
[ 1700.670244][   T10]      do_syscall_64+0xc6/0x1e0
[ 1700.670244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1700.670244][   T10] 
[ 1710.920700][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1710.921141][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.921141][   T10]      dst_init+0x84/0x4a0
[ 1710.921141][   T10]      dst_alloc+0x97/0x150
[ 1710.921141][   T10]      ip6_dst_alloc+0x23/0x90
[ 1710.921141][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1710.921141][   T10]      ip6_pol_route+0x56f/0x840
[ 1710.921141][   T10]      fib6_rule_lookup+0x456/0x630
[ 1710.921141][   T10]      ip6_route_input+0x59c/0xa50
[ 1710.921141][   T10]      ipv6_rcv+0x397/0x810
[ 1710.921141][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1710.921141][   T10]      process_backlog+0x101/0x620
[ 1710.921141][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1710.921141][   T10]      net_rx_action+0x495/0xbe0
[ 1710.921141][   T10]      __do_softirq+0x1b5/0x7f6
[ 1710.921141][   T10] 
[ 1710.922822][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.922822][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1710.922822][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1710.922822][   T10]      fib6_nh_init+0xa22/0x1580
[ 1710.922822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.922822][   T10]      ip6_route_add+0x1c/0x140
[ 1710.922822][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1710.922822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.922822][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.922822][   T10]      netlink_unicast+0x449/0x710
[ 1710.922822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.922822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.922822][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.922822][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.922822][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.922822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.922822][   T10] 
[ 1710.924720][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.924720][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.924720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.924720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.924720][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1710.924720][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1710.924720][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1710.924720][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1710.924720][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1710.924720][   T10]      addrconf_dad_begin+0x310/0x670
[ 1710.924720][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1710.924720][   T10]      process_one_work+0x84d/0x18a0
[ 1710.924720][   T10]      worker_thread+0x587/0xd30
[ 1710.924720][   T10]      kthread+0x28a/0x350
[ 1710.924720][   T10]      ret_from_fork+0x31/0x70
[ 1710.924720][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1710.924720][   T10] 
[ 1710.926632][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.926632][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.926632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.926632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.926632][   T10]      ip6_route_add+0x1c/0x140
[ 1710.926632][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1710.926632][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1710.926632][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.926632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.926632][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.926632][   T10]      netlink_unicast+0x449/0x710
[ 1710.926632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.926632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.926632][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.926632][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.926632][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.926632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.926632][   T10] 
[ 1710.928657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.928657][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.928657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.928657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.928657][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1710.928657][   T10]      ipv6_add_addr+0x411/0x2000
[ 1710.928657][   T10]      inet6_addr_add+0x30e/0xa40
[ 1710.928657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.928657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.928657][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.928657][   T10]      netlink_unicast+0x449/0x710
[ 1710.928657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.928657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.928657][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.928657][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.928657][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.928657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.928657][   T10] 
[ 1710.930659][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.930659][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.930659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.930659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.930659][   T10]      ip6_route_add+0x1c/0x140
[ 1710.930659][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1710.930659][   T10]      addrconf_add_dev+0xe2/0x170
[ 1710.930659][   T10]      inet6_addr_add+0x12f/0xa40
[ 1710.930659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.930659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.930659][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.930659][   T10]      netlink_unicast+0x449/0x710
[ 1710.930659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.930659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.930659][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.930659][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.930659][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.930659][   T10] 
[ 1710.932620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.932620][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1710.932620][   T10]      ipv6_find_idev+0x102/0x170
[ 1710.932620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1710.932620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.932620][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.932620][   T10]      netlink_unicast+0x449/0x710
[ 1710.932620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.932620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.932620][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.932620][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.932620][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.932620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.932620][   T10] 
[ 1710.934159][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1710.934159][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1710.934159][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1710.934159][   T10]      ipv6_find_idev+0x102/0x170
[ 1710.934159][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1710.934159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.934159][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.934159][   T10]      netlink_unicast+0x449/0x710
[ 1710.934159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.934159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.934159][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.934159][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.934159][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.934159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.934159][   T10] 
[ 1710.935847][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1710.936086][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.936086][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1710.936086][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1710.936086][   T10]      fib6_nh_init+0xa22/0x1580
[ 1710.936086][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.936086][   T10]      ip6_route_add+0x1c/0x140
[ 1710.936086][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1710.936086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.936086][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.936086][   T10]      netlink_unicast+0x449/0x710
[ 1710.936086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.936086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.936086][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.936086][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.936086][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.936086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.936086][   T10] 
[ 1710.937975][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.937975][   T10]      dst_init+0x84/0x4a0
[ 1710.937975][   T10]      dst_alloc+0x97/0x150
[ 1710.937975][   T10]      ip6_dst_alloc+0x23/0x90
[ 1710.937975][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1710.937975][   T10]      ip6_pol_route+0x56f/0x840
[ 1710.937975][   T10]      fib6_rule_lookup+0x456/0x630
[ 1710.937975][   T10]      ip6_route_input+0x59c/0xa50
[ 1710.937975][   T10]      ipv6_rcv+0x397/0x810
[ 1710.937975][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1710.937975][   T10]      process_backlog+0x101/0x620
[ 1710.937975][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1710.937975][   T10]      net_rx_action+0x495/0xbe0
[ 1710.937975][   T10]      __do_softirq+0x1b5/0x7f6
[ 1710.937975][   T10] 
[ 1710.939608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.939608][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.939608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.939608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.939608][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1710.939608][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1710.939608][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1710.939608][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1710.939608][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1710.939608][   T10]      addrconf_dad_begin+0x310/0x670
[ 1710.939608][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1710.939608][   T10]      process_one_work+0x84d/0x18a0
[ 1710.939608][   T10]      worker_thread+0x587/0xd30
[ 1710.939608][   T10]      kthread+0x28a/0x350
[ 1710.939608][   T10]      ret_from_fork+0x31/0x70
[ 1710.939608][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1710.939608][   T10] 
[ 1710.941510][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.941510][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.941510][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.941510][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.941510][   T10]      ip6_route_add+0x1c/0x140
[ 1710.941510][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1710.941510][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1710.941510][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.941510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.941510][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.941510][   T10]      netlink_unicast+0x449/0x710
[ 1710.941510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.941510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.941510][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.941510][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.941510][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.941510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.941510][   T10] 
[ 1710.943589][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.943589][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.943589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.943589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.943589][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1710.943589][   T10]      ipv6_add_addr+0x411/0x2000
[ 1710.943589][   T10]      inet6_addr_add+0x30e/0xa40
[ 1710.943589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.943589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.943589][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.943589][   T10]      netlink_unicast+0x449/0x710
[ 1710.943589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.943589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.943589][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.943589][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.943589][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.943589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.943589][   T10] 
[ 1710.945595][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.945595][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.945595][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.945595][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.945595][   T10]      ip6_route_add+0x1c/0x140
[ 1710.945595][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1710.945595][   T10]      addrconf_add_dev+0xe2/0x170
[ 1710.945595][   T10]      inet6_addr_add+0x12f/0xa40
[ 1710.945595][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.945595][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.945595][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.945595][   T10]      netlink_unicast+0x449/0x710
[ 1710.945595][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.945595][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.945595][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.945595][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.945595][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.945595][   T10] 
[ 1710.947747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.947747][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1710.947747][   T10]      ipv6_find_idev+0x102/0x170
[ 1710.947747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1710.947747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.947747][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.947747][   T10]      netlink_unicast+0x449/0x710
[ 1710.947747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.947747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.947747][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.947747][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.947747][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.947747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.947747][   T10] 
[ 1710.949530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1710.949530][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1710.949530][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1710.949530][   T10]      ipv6_find_idev+0x102/0x170
[ 1710.949530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1710.949530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.949530][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.949530][   T10]      netlink_unicast+0x449/0x710
[ 1710.949530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.949530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.949530][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.949530][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.949530][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.949530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.949530][   T10] 
[ 1710.951405][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1710.951717][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1710.951717][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.951717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.951717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.951717][   T10]      ip6_route_add+0x1c/0x140
[ 1710.951717][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1710.951717][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1710.951717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.951717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.951717][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.951717][   T10]      netlink_unicast+0x449/0x710
[ 1710.951717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.951717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.951717][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.951717][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.951717][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.951717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.951717][   T10] 
[ 1710.953917][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1710.953917][   T10]      netdev_get_by_index+0x5e/0x80
[ 1710.953917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1710.953917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1710.953917][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1710.953917][   T10]      ipv6_add_addr+0x411/0x2000
[ 1710.953917][   T10]      inet6_addr_add+0x30e/0xa40
[ 1710.953917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1710.953917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.953917][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.953917][   T10]      netlink_unicast+0x449/0x710
[ 1710.953917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.953917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.953917][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.953917][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.953917][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.953917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.953917][   T10] 
[ 1710.956098][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1710.956098][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1710.956098][   T10]      ipv6_find_idev+0x102/0x170
[ 1710.956098][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1710.956098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.956098][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.956098][   T10]      netlink_unicast+0x449/0x710
[ 1710.956098][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.956098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.956098][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.956098][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.956098][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.956098][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.956098][   T10] 
[ 1710.957886][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1710.957886][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1710.957886][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1710.957886][   T10]      ipv6_find_idev+0x102/0x170
[ 1710.957886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1710.957886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1710.957886][   T10]      netlink_rcv_skb+0x130/0x360
[ 1710.957886][   T10]      netlink_unicast+0x449/0x710
[ 1710.957886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1710.957886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1710.957886][   T10]      ___sys_sendmsg+0xee/0x170
[ 1710.957886][   T10]      __sys_sendmsg+0xcd/0x170
[ 1710.957886][   T10]      do_syscall_64+0xc6/0x1e0
[ 1710.957886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1710.957886][   T10] 
[ 1721.200732][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1721.201231][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.201231][   T10]      dst_init+0x84/0x4a0
[ 1721.201231][   T10]      dst_alloc+0x97/0x150
[ 1721.201231][   T10]      ip6_dst_alloc+0x23/0x90
[ 1721.201231][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1721.201231][   T10]      ip6_pol_route+0x56f/0x840
[ 1721.201231][   T10]      fib6_rule_lookup+0x456/0x630
[ 1721.201231][   T10]      ip6_route_input+0x59c/0xa50
[ 1721.201231][   T10]      ipv6_rcv+0x397/0x810
[ 1721.201231][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1721.201231][   T10]      process_backlog+0x101/0x620
[ 1721.201231][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1721.201231][   T10]      net_rx_action+0x495/0xbe0
[ 1721.201231][   T10]      __do_softirq+0x1b5/0x7f6
[ 1721.201231][   T10] 
[ 1721.202901][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.202901][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1721.202901][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1721.202901][   T10]      fib6_nh_init+0xa22/0x1580
[ 1721.202901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.202901][   T10]      ip6_route_add+0x1c/0x140
[ 1721.202901][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1721.202901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.202901][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.202901][   T10]      netlink_unicast+0x449/0x710
[ 1721.202901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.202901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.202901][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.202901][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.202901][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.202901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.202901][   T10] 
[ 1721.204825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.204825][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.204825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.204825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.204825][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1721.204825][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1721.204825][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1721.204825][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1721.204825][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1721.204825][   T10]      addrconf_dad_begin+0x310/0x670
[ 1721.204825][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1721.204825][   T10]      process_one_work+0x84d/0x18a0
[ 1721.204825][   T10]      worker_thread+0x587/0xd30
[ 1721.204825][   T10]      kthread+0x28a/0x350
[ 1721.204825][   T10]      ret_from_fork+0x31/0x70
[ 1721.204825][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1721.204825][   T10] 
[ 1721.206751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.206751][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.206751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.206751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.206751][   T10]      ip6_route_add+0x1c/0x140
[ 1721.206751][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1721.206751][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1721.206751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.206751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.206751][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.206751][   T10]      netlink_unicast+0x449/0x710
[ 1721.206751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.206751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.206751][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.206751][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.206751][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.206751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.206751][   T10] 
[ 1721.208787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.208787][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.208787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.208787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.208787][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1721.208787][   T10]      ipv6_add_addr+0x411/0x2000
[ 1721.208787][   T10]      inet6_addr_add+0x30e/0xa40
[ 1721.208787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.208787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.208787][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.208787][   T10]      netlink_unicast+0x449/0x710
[ 1721.208787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.208787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.208787][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.208787][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.208787][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.208787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.208787][   T10] 
[ 1721.210787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.210787][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.210787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.210787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.210787][   T10]      ip6_route_add+0x1c/0x140
[ 1721.210787][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1721.210787][   T10]      addrconf_add_dev+0xe2/0x170
[ 1721.210787][   T10]      inet6_addr_add+0x12f/0xa40
[ 1721.210787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.210787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.210787][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.210787][   T10]      netlink_unicast+0x449/0x710
[ 1721.210787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.210787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.210787][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.210787][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.210787][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.210787][   T10] 
[ 1721.212765][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.212765][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1721.212765][   T10]      ipv6_find_idev+0x102/0x170
[ 1721.212765][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1721.212765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.212765][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.212765][   T10]      netlink_unicast+0x449/0x710
[ 1721.212765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.212765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.212765][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.212765][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.212765][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.212765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.212765][   T10] 
[ 1721.214312][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1721.214312][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1721.214312][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1721.214312][   T10]      ipv6_find_idev+0x102/0x170
[ 1721.214312][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1721.214312][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.214312][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.214312][   T10]      netlink_unicast+0x449/0x710
[ 1721.214312][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.214312][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.214312][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.214312][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.214312][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.214312][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.214312][   T10] 
[ 1721.216035][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1721.216274][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.216274][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1721.216274][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1721.216274][   T10]      fib6_nh_init+0xa22/0x1580
[ 1721.216274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.216274][   T10]      ip6_route_add+0x1c/0x140
[ 1721.216274][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1721.216274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.216274][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.216274][   T10]      netlink_unicast+0x449/0x710
[ 1721.216274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.216274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.216274][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.216274][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.216274][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.216274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.216274][   T10] 
[ 1721.218176][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.218176][   T10]      dst_init+0x84/0x4a0
[ 1721.218176][   T10]      dst_alloc+0x97/0x150
[ 1721.218176][   T10]      ip6_dst_alloc+0x23/0x90
[ 1721.218176][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1721.218176][   T10]      ip6_pol_route+0x56f/0x840
[ 1721.218176][   T10]      fib6_rule_lookup+0x456/0x630
[ 1721.218176][   T10]      ip6_route_input+0x59c/0xa50
[ 1721.218176][   T10]      ipv6_rcv+0x397/0x810
[ 1721.218176][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1721.218176][   T10]      process_backlog+0x101/0x620
[ 1721.218176][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1721.218176][   T10]      net_rx_action+0x495/0xbe0
[ 1721.218176][   T10]      __do_softirq+0x1b5/0x7f6
[ 1721.218176][   T10] 
[ 1721.219818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.219818][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.219818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.219818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.219818][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1721.219818][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1721.219818][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1721.219818][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1721.219818][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1721.219818][   T10]      addrconf_dad_begin+0x310/0x670
[ 1721.219818][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1721.219818][   T10]      process_one_work+0x84d/0x18a0
[ 1721.219818][   T10]      worker_thread+0x587/0xd30
[ 1721.219818][   T10]      kthread+0x28a/0x350
[ 1721.219818][   T10]      ret_from_fork+0x31/0x70
[ 1721.219818][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1721.219818][   T10] 
[ 1721.221726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.221726][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.221726][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.221726][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.221726][   T10]      ip6_route_add+0x1c/0x140
[ 1721.221726][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1721.221726][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1721.221726][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.221726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.221726][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.221726][   T10]      netlink_unicast+0x449/0x710
[ 1721.221726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.221726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.221726][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.221726][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.221726][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.221726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.221726][   T10] 
[ 1721.224113][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.224113][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.224113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.224113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.224113][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1721.224113][   T10]      ipv6_add_addr+0x411/0x2000
[ 1721.224113][   T10]      inet6_addr_add+0x30e/0xa40
[ 1721.224113][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.224113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.224113][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.224113][   T10]      netlink_unicast+0x449/0x710
[ 1721.224113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.224113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.224113][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.224113][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.224113][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.224113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.224113][   T10] 
[ 1721.226114][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.226114][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.226114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.226114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.226114][   T10]      ip6_route_add+0x1c/0x140
[ 1721.226114][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1721.226114][   T10]      addrconf_add_dev+0xe2/0x170
[ 1721.226114][   T10]      inet6_addr_add+0x12f/0xa40
[ 1721.226114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.226114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.226114][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.226114][   T10]      netlink_unicast+0x449/0x710
[ 1721.226114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.226114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.226114][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.226114][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.226114][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.226114][   T10] 
[ 1721.228213][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.228213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1721.228213][   T10]      ipv6_find_idev+0x102/0x170
[ 1721.228213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1721.228213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.228213][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.228213][   T10]      netlink_unicast+0x449/0x710
[ 1721.228213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.228213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.228213][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.228213][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.228213][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.228213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.228213][   T10] 
[ 1721.229960][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1721.229960][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1721.229960][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1721.229960][   T10]      ipv6_find_idev+0x102/0x170
[ 1721.229960][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1721.229960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.229960][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.229960][   T10]      netlink_unicast+0x449/0x710
[ 1721.229960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.229960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.229960][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.229960][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.229960][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.229960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.229960][   T10] 
[ 1721.231908][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1721.232232][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1721.232232][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.232232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.232232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.232232][   T10]      ip6_route_add+0x1c/0x140
[ 1721.232232][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1721.232232][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1721.232232][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.232232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.232232][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.232232][   T10]      netlink_unicast+0x449/0x710
[ 1721.232232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.232232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.232232][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.232232][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.232232][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.232232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.232232][   T10] 
[ 1721.234442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1721.234442][   T10]      netdev_get_by_index+0x5e/0x80
[ 1721.234442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1721.234442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1721.234442][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1721.234442][   T10]      ipv6_add_addr+0x411/0x2000
[ 1721.234442][   T10]      inet6_addr_add+0x30e/0xa40
[ 1721.234442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1721.234442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.234442][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.234442][   T10]      netlink_unicast+0x449/0x710
[ 1721.234442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.234442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.234442][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.234442][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.234442][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.234442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.234442][   T10] 
[ 1721.236624][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1721.236624][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1721.236624][   T10]      ipv6_find_idev+0x102/0x170
[ 1721.236624][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1721.236624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.236624][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.236624][   T10]      netlink_unicast+0x449/0x710
[ 1721.236624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.236624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.236624][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.236624][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.236624][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.236624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.236624][   T10] 
[ 1721.238353][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1721.238353][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1721.238353][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1721.238353][   T10]      ipv6_find_idev+0x102/0x170
[ 1721.238353][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1721.238353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1721.238353][   T10]      netlink_rcv_skb+0x130/0x360
[ 1721.238353][   T10]      netlink_unicast+0x449/0x710
[ 1721.238353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1721.238353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1721.238353][   T10]      ___sys_sendmsg+0xee/0x170
[ 1721.238353][   T10]      __sys_sendmsg+0xcd/0x170
[ 1721.238353][   T10]      do_syscall_64+0xc6/0x1e0
[ 1721.238353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.238353][   T10] 
[ 1721.640713][   T42] INFO: task modprobe:7622 blocked for more than 245 seconds.
[ 1721.641067][   T42]       Not tainted 6.8.0-virtme #1
[ 1721.641197][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.641817][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 1721.642065][   T42] Call Trace:
[ 1721.642159][   T42]  <TASK>
[ 1721.642231][   T42]  __schedule+0x705/0x1ac0
[ 1721.642366][   T42]  ? __pfx___schedule+0x10/0x10
[ 1721.642490][   T42]  ? schedule+0x1a5/0x210
[ 1721.642609][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.642741][   T42]  ? mark_lock+0x38/0x3e0
[ 1721.642835][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1721.642961][   T42]  ? schedule+0x1a5/0x210
[ 1721.643059][   T42]  schedule+0xdf/0x210
[ 1721.643154][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1721.643277][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1721.643411][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1721.643570][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 1721.643704][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1721.643834][   T42]  ? lock_acquire+0x1c1/0x220
[ 1721.643958][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1721.644089][   T42]  down_write+0x1c9/0x200
[ 1721.644187][   T42]  ? __pfx_down_write+0x10/0x10
[ 1721.644309][   T42]  ? __pfx__printk+0x10/0x10
[ 1721.644436][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1721.644570][   T42]  register_pernet_subsys+0x1a/0x50
[ 1721.644701][   T42]  tcf_register_action+0xa3/0x600
[ 1721.644828][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 1721.644990][   T42]  do_one_initcall+0xc8/0x3f0
[ 1721.645116][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1721.645242][   T42]  ? __create_object+0x5e/0xb0
[ 1721.645373][   T42]  ? kasan_unpoison+0x27/0x60
[ 1721.645502][   T42]  do_init_module+0x233/0x740
[ 1721.645667][   T42]  load_module+0x16b5/0x2350
[ 1721.645808][   T42]  ? __pfx_load_module+0x10/0x10
[ 1721.645931][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1721.646060][   T42]  ? kernel_read_file+0x300/0x520
[ 1721.646188][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1721.646318][   T42]  ? init_module_from_file+0xd2/0x130
[ 1721.646440][   T42]  init_module_from_file+0xd2/0x130
[ 1721.646563][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1721.646739][   T42]  ? __lock_release+0x103/0x460
[ 1721.646862][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1721.646996][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1721.647120][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1721.647248][   T42]  idempotent_init_module+0x342/0x620
[ 1721.647382][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1721.647561][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1721.647694][   T42]  do_syscall_64+0xc6/0x1e0
[ 1721.647829][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1721.647984][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 1721.648111][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1721.648299][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 1721.648482][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 1721.648672][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 1721.648858][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 1721.649042][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 1721.649237][   T42]  </TASK>
[ 1721.649332][   T42] 
[ 1721.649332][   T42] Showing all locks held in the system:
[ 1721.649508][   T42] 3 locks held by kworker/u16:0/10:
[ 1721.649657][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.649916][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.650133][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1721.650351][   T42] 2 locks held by kworker/u20:0/39:
[ 1721.650467][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1721.650730][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1721.651004][   T42] 1 lock held by khungtaskd/42:
[ 1721.651123][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1721.651348][   T42] 1 lock held by modprobe/7622:
[ 1721.651468][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1721.651724][   T42] 
[ 1721.651785][   T42] =============================================
[ 1721.651785][   T42] 
[ 1731.480737][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1731.481209][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.481209][   T10]      dst_init+0x84/0x4a0
[ 1731.481209][   T10]      dst_alloc+0x97/0x150
[ 1731.481209][   T10]      ip6_dst_alloc+0x23/0x90
[ 1731.481209][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1731.481209][   T10]      ip6_pol_route+0x56f/0x840
[ 1731.481209][   T10]      fib6_rule_lookup+0x456/0x630
[ 1731.481209][   T10]      ip6_route_input+0x59c/0xa50
[ 1731.481209][   T10]      ipv6_rcv+0x397/0x810
[ 1731.481209][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1731.481209][   T10]      process_backlog+0x101/0x620
[ 1731.481209][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1731.481209][   T10]      net_rx_action+0x495/0xbe0
[ 1731.481209][   T10]      __do_softirq+0x1b5/0x7f6
[ 1731.481209][   T10] 
[ 1731.482935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.482935][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1731.482935][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1731.482935][   T10]      fib6_nh_init+0xa22/0x1580
[ 1731.482935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.482935][   T10]      ip6_route_add+0x1c/0x140
[ 1731.482935][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1731.482935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.482935][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.482935][   T10]      netlink_unicast+0x449/0x710
[ 1731.482935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.482935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.482935][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.482935][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.482935][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.482935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.482935][   T10] 
[ 1731.484835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.484835][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.484835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.484835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.484835][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1731.484835][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1731.484835][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1731.484835][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1731.484835][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1731.484835][   T10]      addrconf_dad_begin+0x310/0x670
[ 1731.484835][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1731.484835][   T10]      process_one_work+0x84d/0x18a0
[ 1731.484835][   T10]      worker_thread+0x587/0xd30
[ 1731.484835][   T10]      kthread+0x28a/0x350
[ 1731.484835][   T10]      ret_from_fork+0x31/0x70
[ 1731.484835][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1731.484835][   T10] 
[ 1731.486758][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.486758][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.486758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.486758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.486758][   T10]      ip6_route_add+0x1c/0x140
[ 1731.486758][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1731.486758][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1731.486758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.486758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.486758][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.486758][   T10]      netlink_unicast+0x449/0x710
[ 1731.486758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.486758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.486758][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.486758][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.486758][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.486758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.486758][   T10] 
[ 1731.488852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.488852][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.488852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.488852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.488852][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1731.488852][   T10]      ipv6_add_addr+0x411/0x2000
[ 1731.488852][   T10]      inet6_addr_add+0x30e/0xa40
[ 1731.488852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.488852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.488852][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.488852][   T10]      netlink_unicast+0x449/0x710
[ 1731.488852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.488852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.488852][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.488852][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.488852][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.488852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.488852][   T10] 
[ 1731.490868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.490868][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.490868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.490868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.490868][   T10]      ip6_route_add+0x1c/0x140
[ 1731.490868][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1731.490868][   T10]      addrconf_add_dev+0xe2/0x170
[ 1731.490868][   T10]      inet6_addr_add+0x12f/0xa40
[ 1731.490868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.490868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.490868][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.490868][   T10]      netlink_unicast+0x449/0x710
[ 1731.490868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.490868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.490868][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.490868][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.490868][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.490868][   T10] 
[ 1731.492845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.492845][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1731.492845][   T10]      ipv6_find_idev+0x102/0x170
[ 1731.492845][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1731.492845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.492845][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.492845][   T10]      netlink_unicast+0x449/0x710
[ 1731.492845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.492845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.492845][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.492845][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.492845][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.492845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.492845][   T10] 
[ 1731.494391][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1731.494391][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1731.494391][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1731.494391][   T10]      ipv6_find_idev+0x102/0x170
[ 1731.494391][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1731.494391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.494391][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.494391][   T10]      netlink_unicast+0x449/0x710
[ 1731.494391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.494391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.494391][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.494391][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.494391][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.494391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.494391][   T10] 
[ 1731.496108][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1731.496345][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.496345][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1731.496345][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1731.496345][   T10]      fib6_nh_init+0xa22/0x1580
[ 1731.496345][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.496345][   T10]      ip6_route_add+0x1c/0x140
[ 1731.496345][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1731.496345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.496345][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.496345][   T10]      netlink_unicast+0x449/0x710
[ 1731.496345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.496345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.496345][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.496345][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.496345][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.496345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.496345][   T10] 
[ 1731.498232][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.498232][   T10]      dst_init+0x84/0x4a0
[ 1731.498232][   T10]      dst_alloc+0x97/0x150
[ 1731.498232][   T10]      ip6_dst_alloc+0x23/0x90
[ 1731.498232][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1731.498232][   T10]      ip6_pol_route+0x56f/0x840
[ 1731.498232][   T10]      fib6_rule_lookup+0x456/0x630
[ 1731.498232][   T10]      ip6_route_input+0x59c/0xa50
[ 1731.498232][   T10]      ipv6_rcv+0x397/0x810
[ 1731.498232][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1731.498232][   T10]      process_backlog+0x101/0x620
[ 1731.498232][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1731.498232][   T10]      net_rx_action+0x495/0xbe0
[ 1731.498232][   T10]      __do_softirq+0x1b5/0x7f6
[ 1731.498232][   T10] 
[ 1731.499865][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.499865][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.499865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.499865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.499865][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1731.499865][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1731.499865][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1731.499865][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1731.499865][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1731.499865][   T10]      addrconf_dad_begin+0x310/0x670
[ 1731.499865][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1731.499865][   T10]      process_one_work+0x84d/0x18a0
[ 1731.499865][   T10]      worker_thread+0x587/0xd30
[ 1731.499865][   T10]      kthread+0x28a/0x350
[ 1731.499865][   T10]      ret_from_fork+0x31/0x70
[ 1731.499865][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1731.499865][   T10] 
[ 1731.501778][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.501778][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.501778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.501778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.501778][   T10]      ip6_route_add+0x1c/0x140
[ 1731.501778][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1731.501778][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1731.501778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.501778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.501778][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.501778][   T10]      netlink_unicast+0x449/0x710
[ 1731.501778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.501778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.501778][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.501778][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.501778][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.501778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.501778][   T10] 
[ 1731.503792][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.503792][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.503792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.503792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.503792][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1731.503792][   T10]      ipv6_add_addr+0x411/0x2000
[ 1731.503792][   T10]      inet6_addr_add+0x30e/0xa40
[ 1731.503792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.503792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.503792][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.503792][   T10]      netlink_unicast+0x449/0x710
[ 1731.503792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.503792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.503792][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.503792][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.503792][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.503792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.503792][   T10] 
[ 1731.505786][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.505786][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.505786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.505786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.505786][   T10]      ip6_route_add+0x1c/0x140
[ 1731.505786][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1731.505786][   T10]      addrconf_add_dev+0xe2/0x170
[ 1731.505786][   T10]      inet6_addr_add+0x12f/0xa40
[ 1731.505786][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.505786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.505786][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.505786][   T10]      netlink_unicast+0x449/0x710
[ 1731.505786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.505786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.505786][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.505786][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.505786][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.505786][   T10] 
[ 1731.507877][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.507877][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1731.507877][   T10]      ipv6_find_idev+0x102/0x170
[ 1731.507877][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1731.507877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.507877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.507877][   T10]      netlink_unicast+0x449/0x710
[ 1731.507877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.507877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.507877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.507877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.507877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.507877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.507877][   T10] 
[ 1731.509660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1731.509660][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1731.509660][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1731.509660][   T10]      ipv6_find_idev+0x102/0x170
[ 1731.509660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1731.509660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.509660][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.509660][   T10]      netlink_unicast+0x449/0x710
[ 1731.509660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.509660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.509660][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.509660][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.509660][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.509660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.509660][   T10] 
[ 1731.511549][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1731.511878][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1731.511878][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.511878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.511878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.511878][   T10]      ip6_route_add+0x1c/0x140
[ 1731.511878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1731.511878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1731.511878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.511878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.511878][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.511878][   T10]      netlink_unicast+0x449/0x710
[ 1731.511878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.511878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.511878][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.511878][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.511878][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.511878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.511878][   T10] 
[ 1731.514059][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1731.514059][   T10]      netdev_get_by_index+0x5e/0x80
[ 1731.514059][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1731.514059][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1731.514059][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1731.514059][   T10]      ipv6_add_addr+0x411/0x2000
[ 1731.514059][   T10]      inet6_addr_add+0x30e/0xa40
[ 1731.514059][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1731.514059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.514059][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.514059][   T10]      netlink_unicast+0x449/0x710
[ 1731.514059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.514059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.514059][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.514059][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.514059][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.514059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.514059][   T10] 
[ 1731.516172][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1731.516172][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1731.516172][   T10]      ipv6_find_idev+0x102/0x170
[ 1731.516172][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1731.516172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.516172][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.516172][   T10]      netlink_unicast+0x449/0x710
[ 1731.516172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.516172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.516172][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.516172][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.516172][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.516172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.516172][   T10] 
[ 1731.517891][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1731.517891][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1731.517891][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1731.517891][   T10]      ipv6_find_idev+0x102/0x170
[ 1731.517891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1731.517891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1731.517891][   T10]      netlink_rcv_skb+0x130/0x360
[ 1731.517891][   T10]      netlink_unicast+0x449/0x710
[ 1731.517891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1731.517891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1731.517891][   T10]      ___sys_sendmsg+0xee/0x170
[ 1731.517891][   T10]      __sys_sendmsg+0xcd/0x170
[ 1731.517891][   T10]      do_syscall_64+0xc6/0x1e0
[ 1731.517891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1731.517891][   T10] 
[ 1741.760702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1741.761113][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.761113][   T10]      dst_init+0x84/0x4a0
[ 1741.761113][   T10]      dst_alloc+0x97/0x150
[ 1741.761113][   T10]      ip6_dst_alloc+0x23/0x90
[ 1741.761113][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1741.761113][   T10]      ip6_pol_route+0x56f/0x840
[ 1741.761113][   T10]      fib6_rule_lookup+0x456/0x630
[ 1741.761113][   T10]      ip6_route_input+0x59c/0xa50
[ 1741.761113][   T10]      ipv6_rcv+0x397/0x810
[ 1741.761113][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1741.761113][   T10]      process_backlog+0x101/0x620
[ 1741.761113][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1741.761113][   T10]      net_rx_action+0x495/0xbe0
[ 1741.761113][   T10]      __do_softirq+0x1b5/0x7f6
[ 1741.761113][   T10] 
[ 1741.762797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.762797][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1741.762797][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1741.762797][   T10]      fib6_nh_init+0xa22/0x1580
[ 1741.762797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.762797][   T10]      ip6_route_add+0x1c/0x140
[ 1741.762797][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1741.762797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.762797][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.762797][   T10]      netlink_unicast+0x449/0x710
[ 1741.762797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.762797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.762797][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.762797][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.762797][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.762797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.762797][   T10] 
[ 1741.764695][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.764695][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.764695][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.764695][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.764695][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1741.764695][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1741.764695][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1741.764695][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1741.764695][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1741.764695][   T10]      addrconf_dad_begin+0x310/0x670
[ 1741.764695][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1741.764695][   T10]      process_one_work+0x84d/0x18a0
[ 1741.764695][   T10]      worker_thread+0x587/0xd30
[ 1741.764695][   T10]      kthread+0x28a/0x350
[ 1741.764695][   T10]      ret_from_fork+0x31/0x70
[ 1741.764695][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1741.764695][   T10] 
[ 1741.766616][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.766616][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.766616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.766616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.766616][   T10]      ip6_route_add+0x1c/0x140
[ 1741.766616][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1741.766616][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1741.766616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.766616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.766616][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.766616][   T10]      netlink_unicast+0x449/0x710
[ 1741.766616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.766616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.766616][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.766616][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.766616][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.766616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.766616][   T10] 
[ 1741.768625][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.768625][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.768625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.768625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.768625][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1741.768625][   T10]      ipv6_add_addr+0x411/0x2000
[ 1741.768625][   T10]      inet6_addr_add+0x30e/0xa40
[ 1741.768625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.768625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.768625][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.768625][   T10]      netlink_unicast+0x449/0x710
[ 1741.768625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.768625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.768625][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.768625][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.768625][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.768625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.768625][   T10] 
[ 1741.770638][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.770638][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.770638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.770638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.770638][   T10]      ip6_route_add+0x1c/0x140
[ 1741.770638][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1741.770638][   T10]      addrconf_add_dev+0xe2/0x170
[ 1741.770638][   T10]      inet6_addr_add+0x12f/0xa40
[ 1741.770638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.770638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.770638][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.770638][   T10]      netlink_unicast+0x449/0x710
[ 1741.770638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.770638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.770638][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.770638][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.770638][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.770638][   T10] 
[ 1741.772617][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.772617][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1741.772617][   T10]      ipv6_find_idev+0x102/0x170
[ 1741.772617][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1741.772617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.772617][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.772617][   T10]      netlink_unicast+0x449/0x710
[ 1741.772617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.772617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.772617][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.772617][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.772617][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.772617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.772617][   T10] 
[ 1741.774174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1741.774174][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1741.774174][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1741.774174][   T10]      ipv6_find_idev+0x102/0x170
[ 1741.774174][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1741.774174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.774174][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.774174][   T10]      netlink_unicast+0x449/0x710
[ 1741.774174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.774174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.774174][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.774174][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.774174][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.774174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.774174][   T10] 
[ 1741.775877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1741.776113][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.776113][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1741.776113][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1741.776113][   T10]      fib6_nh_init+0xa22/0x1580
[ 1741.776113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.776113][   T10]      ip6_route_add+0x1c/0x140
[ 1741.776113][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1741.776113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.776113][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.776113][   T10]      netlink_unicast+0x449/0x710
[ 1741.776113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.776113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.776113][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.776113][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.776113][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.776113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.776113][   T10] 
[ 1741.777999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.777999][   T10]      dst_init+0x84/0x4a0
[ 1741.777999][   T10]      dst_alloc+0x97/0x150
[ 1741.777999][   T10]      ip6_dst_alloc+0x23/0x90
[ 1741.777999][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1741.777999][   T10]      ip6_pol_route+0x56f/0x840
[ 1741.777999][   T10]      fib6_rule_lookup+0x456/0x630
[ 1741.777999][   T10]      ip6_route_input+0x59c/0xa50
[ 1741.777999][   T10]      ipv6_rcv+0x397/0x810
[ 1741.777999][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1741.777999][   T10]      process_backlog+0x101/0x620
[ 1741.777999][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1741.777999][   T10]      net_rx_action+0x495/0xbe0
[ 1741.777999][   T10]      __do_softirq+0x1b5/0x7f6
[ 1741.777999][   T10] 
[ 1741.779629][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.779629][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.779629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.779629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.779629][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1741.779629][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1741.779629][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1741.779629][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1741.779629][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1741.779629][   T10]      addrconf_dad_begin+0x310/0x670
[ 1741.779629][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1741.779629][   T10]      process_one_work+0x84d/0x18a0
[ 1741.779629][   T10]      worker_thread+0x587/0xd30
[ 1741.779629][   T10]      kthread+0x28a/0x350
[ 1741.779629][   T10]      ret_from_fork+0x31/0x70
[ 1741.779629][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1741.779629][   T10] 
[ 1741.781539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.781539][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.781539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.781539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.781539][   T10]      ip6_route_add+0x1c/0x140
[ 1741.781539][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1741.781539][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1741.781539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.781539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.781539][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.781539][   T10]      netlink_unicast+0x449/0x710
[ 1741.781539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.781539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.781539][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.781539][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.781539][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.781539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.781539][   T10] 
[ 1741.783539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.783539][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.783539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.783539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.783539][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1741.783539][   T10]      ipv6_add_addr+0x411/0x2000
[ 1741.783539][   T10]      inet6_addr_add+0x30e/0xa40
[ 1741.783539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.783539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.783539][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.783539][   T10]      netlink_unicast+0x449/0x710
[ 1741.783539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.783539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.783539][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.783539][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.783539][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.783539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.783539][   T10] 
[ 1741.785532][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.785532][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.785532][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.785532][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.785532][   T10]      ip6_route_add+0x1c/0x140
[ 1741.785532][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1741.785532][   T10]      addrconf_add_dev+0xe2/0x170
[ 1741.785532][   T10]      inet6_addr_add+0x12f/0xa40
[ 1741.785532][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.785532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.785532][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.785532][   T10]      netlink_unicast+0x449/0x710
[ 1741.785532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.785532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.785532][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.785532][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.785532][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.785532][   T10] 
[ 1741.787648][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.787648][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1741.787648][   T10]      ipv6_find_idev+0x102/0x170
[ 1741.787648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1741.787648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.787648][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.787648][   T10]      netlink_unicast+0x449/0x710
[ 1741.787648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.787648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.787648][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.787648][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.787648][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.787648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.787648][   T10] 
[ 1741.789367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1741.789367][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1741.789367][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1741.789367][   T10]      ipv6_find_idev+0x102/0x170
[ 1741.789367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1741.789367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.789367][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.789367][   T10]      netlink_unicast+0x449/0x710
[ 1741.789367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.789367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.789367][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.789367][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.789367][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.789367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.789367][   T10] 
[ 1741.791366][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1741.791691][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1741.791691][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.791691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.791691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.791691][   T10]      ip6_route_add+0x1c/0x140
[ 1741.791691][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1741.791691][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1741.791691][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.791691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.791691][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.791691][   T10]      netlink_unicast+0x449/0x710
[ 1741.791691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.791691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.791691][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.791691][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.791691][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.791691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.791691][   T10] 
[ 1741.793882][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1741.793882][   T10]      netdev_get_by_index+0x5e/0x80
[ 1741.793882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1741.793882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1741.793882][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1741.793882][   T10]      ipv6_add_addr+0x411/0x2000
[ 1741.793882][   T10]      inet6_addr_add+0x30e/0xa40
[ 1741.793882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1741.793882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.793882][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.793882][   T10]      netlink_unicast+0x449/0x710
[ 1741.793882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.793882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.793882][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.793882][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.793882][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.793882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.793882][   T10] 
[ 1741.796053][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1741.796053][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1741.796053][   T10]      ipv6_find_idev+0x102/0x170
[ 1741.796053][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1741.796053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.796053][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.796053][   T10]      netlink_unicast+0x449/0x710
[ 1741.796053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.796053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.796053][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.796053][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.796053][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.796053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.796053][   T10] 
[ 1741.797774][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1741.797774][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1741.797774][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1741.797774][   T10]      ipv6_find_idev+0x102/0x170
[ 1741.797774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1741.797774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1741.797774][   T10]      netlink_rcv_skb+0x130/0x360
[ 1741.797774][   T10]      netlink_unicast+0x449/0x710
[ 1741.797774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1741.797774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1741.797774][   T10]      ___sys_sendmsg+0xee/0x170
[ 1741.797774][   T10]      __sys_sendmsg+0xcd/0x170
[ 1741.797774][   T10]      do_syscall_64+0xc6/0x1e0
[ 1741.797774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1741.797774][   T10] 
[ 1752.041433][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1752.041886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.041886][   T10]      dst_init+0x84/0x4a0
[ 1752.041886][   T10]      dst_alloc+0x97/0x150
[ 1752.041886][   T10]      ip6_dst_alloc+0x23/0x90
[ 1752.041886][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1752.041886][   T10]      ip6_pol_route+0x56f/0x840
[ 1752.041886][   T10]      fib6_rule_lookup+0x456/0x630
[ 1752.041886][   T10]      ip6_route_input+0x59c/0xa50
[ 1752.041886][   T10]      ipv6_rcv+0x397/0x810
[ 1752.041886][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1752.041886][   T10]      process_backlog+0x101/0x620
[ 1752.041886][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1752.041886][   T10]      net_rx_action+0x495/0xbe0
[ 1752.041886][   T10]      __do_softirq+0x1b5/0x7f6
[ 1752.041886][   T10] 
[ 1752.043677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.043677][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1752.043677][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1752.043677][   T10]      fib6_nh_init+0xa22/0x1580
[ 1752.043677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.043677][   T10]      ip6_route_add+0x1c/0x140
[ 1752.043677][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1752.043677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.043677][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.043677][   T10]      netlink_unicast+0x449/0x710
[ 1752.043677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.043677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.043677][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.043677][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.043677][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.043677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.043677][   T10] 
[ 1752.045722][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.045722][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.045722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.045722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.045722][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1752.045722][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1752.045722][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1752.045722][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1752.045722][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1752.045722][   T10]      addrconf_dad_begin+0x310/0x670
[ 1752.045722][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1752.045722][   T10]      process_one_work+0x84d/0x18a0
[ 1752.045722][   T10]      worker_thread+0x587/0xd30
[ 1752.045722][   T10]      kthread+0x28a/0x350
[ 1752.045722][   T10]      ret_from_fork+0x31/0x70
[ 1752.045722][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1752.045722][   T10] 
[ 1752.048201][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.048201][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.048201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.048201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.048201][   T10]      ip6_route_add+0x1c/0x140
[ 1752.048201][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1752.048201][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1752.048201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.048201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.048201][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.048201][   T10]      netlink_unicast+0x449/0x710
[ 1752.048201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.048201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.048201][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.048201][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.048201][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.048201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.048201][   T10] 
[ 1752.050337][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.050337][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.050337][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.050337][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.050337][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1752.050337][   T10]      ipv6_add_addr+0x411/0x2000
[ 1752.050337][   T10]      inet6_addr_add+0x30e/0xa40
[ 1752.050337][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.050337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.050337][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.050337][   T10]      netlink_unicast+0x449/0x710
[ 1752.050337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.050337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.050337][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.050337][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.050337][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.050337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.050337][   T10] 
[ 1752.052468][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.052468][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.052468][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.052468][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.052468][   T10]      ip6_route_add+0x1c/0x140
[ 1752.052468][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1752.052468][   T10]      addrconf_add_dev+0xe2/0x170
[ 1752.052468][   T10]      inet6_addr_add+0x12f/0xa40
[ 1752.052468][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.052468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.052468][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.052468][   T10]      netlink_unicast+0x449/0x710
[ 1752.052468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.052468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.052468][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.052468][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.052468][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.052468][   T10] 
[ 1752.054576][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.054576][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1752.054576][   T10]      ipv6_find_idev+0x102/0x170
[ 1752.054576][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1752.054576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.054576][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.054576][   T10]      netlink_unicast+0x449/0x710
[ 1752.054576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.054576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.054576][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.054576][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.054576][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.054576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.054576][   T10] 
[ 1752.056226][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1752.056226][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1752.056226][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1752.056226][   T10]      ipv6_find_idev+0x102/0x170
[ 1752.056226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1752.056226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.056226][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.056226][   T10]      netlink_unicast+0x449/0x710
[ 1752.056226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.056226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.056226][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.056226][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.056226][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.056226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.056226][   T10] 
[ 1752.058024][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1752.058279][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.058279][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1752.058279][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1752.058279][   T10]      fib6_nh_init+0xa22/0x1580
[ 1752.058279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.058279][   T10]      ip6_route_add+0x1c/0x140
[ 1752.058279][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1752.058279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.058279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.058279][   T10]      netlink_unicast+0x449/0x710
[ 1752.058279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.058279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.058279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.058279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.058279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.058279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.058279][   T10] 
[ 1752.060290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.060290][   T10]      dst_init+0x84/0x4a0
[ 1752.060290][   T10]      dst_alloc+0x97/0x150
[ 1752.060290][   T10]      ip6_dst_alloc+0x23/0x90
[ 1752.060290][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1752.060290][   T10]      ip6_pol_route+0x56f/0x840
[ 1752.060290][   T10]      fib6_rule_lookup+0x456/0x630
[ 1752.060290][   T10]      ip6_route_input+0x59c/0xa50
[ 1752.060290][   T10]      ipv6_rcv+0x397/0x810
[ 1752.060290][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1752.060290][   T10]      process_backlog+0x101/0x620
[ 1752.060290][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1752.060290][   T10]      net_rx_action+0x495/0xbe0
[ 1752.060290][   T10]      __do_softirq+0x1b5/0x7f6
[ 1752.060290][   T10] 
[ 1752.062129][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.062129][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.062129][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.062129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.062129][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1752.062129][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1752.062129][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1752.062129][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1752.062129][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1752.062129][   T10]      addrconf_dad_begin+0x310/0x670
[ 1752.062129][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1752.062129][   T10]      process_one_work+0x84d/0x18a0
[ 1752.062129][   T10]      worker_thread+0x587/0xd30
[ 1752.062129][   T10]      kthread+0x28a/0x350
[ 1752.062129][   T10]      ret_from_fork+0x31/0x70
[ 1752.062129][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1752.062129][   T10] 
[ 1752.064164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.064164][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.064164][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.064164][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.064164][   T10]      ip6_route_add+0x1c/0x140
[ 1752.064164][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1752.064164][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1752.064164][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.064164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.064164][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.064164][   T10]      netlink_unicast+0x449/0x710
[ 1752.064164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.064164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.064164][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.064164][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.064164][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.064164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.064164][   T10] 
[ 1752.066297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.066297][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.066297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.066297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.066297][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1752.066297][   T10]      ipv6_add_addr+0x411/0x2000
[ 1752.066297][   T10]      inet6_addr_add+0x30e/0xa40
[ 1752.066297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.066297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.066297][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.066297][   T10]      netlink_unicast+0x449/0x710
[ 1752.066297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.066297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.066297][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.066297][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.066297][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.066297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.066297][   T10] 
[ 1752.068467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.068467][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.068467][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.068467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.068467][   T10]      ip6_route_add+0x1c/0x140
[ 1752.068467][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1752.068467][   T10]      addrconf_add_dev+0xe2/0x170
[ 1752.068467][   T10]      inet6_addr_add+0x12f/0xa40
[ 1752.068467][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.068467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.068467][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.068467][   T10]      netlink_unicast+0x449/0x710
[ 1752.068467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.068467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.068467][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.068467][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.068467][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.068467][   T10] 
[ 1752.070677][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.070677][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1752.070677][   T10]      ipv6_find_idev+0x102/0x170
[ 1752.070677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1752.070677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.070677][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.070677][   T10]      netlink_unicast+0x449/0x710
[ 1752.070677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.070677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.070677][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.070677][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.070677][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.070677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.070677][   T10] 
[ 1752.072536][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1752.072536][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1752.072536][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1752.072536][   T10]      ipv6_find_idev+0x102/0x170
[ 1752.072536][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1752.072536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.072536][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.072536][   T10]      netlink_unicast+0x449/0x710
[ 1752.072536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.072536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.072536][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.072536][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.072536][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.072536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.072536][   T10] 
[ 1752.074571][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1752.074842][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1752.074842][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.074842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.074842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.074842][   T10]      ip6_route_add+0x1c/0x140
[ 1752.074842][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1752.074842][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1752.074842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.074842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.074842][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.074842][   T10]      netlink_unicast+0x449/0x710
[ 1752.074842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.074842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.074842][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.074842][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.074842][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.074842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.074842][   T10] 
[ 1752.077283][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1752.077283][   T10]      netdev_get_by_index+0x5e/0x80
[ 1752.077283][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1752.077283][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1752.077283][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1752.077283][   T10]      ipv6_add_addr+0x411/0x2000
[ 1752.077283][   T10]      inet6_addr_add+0x30e/0xa40
[ 1752.077283][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1752.077283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.077283][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.077283][   T10]      netlink_unicast+0x449/0x710
[ 1752.077283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.077283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.077283][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.077283][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.077283][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.077283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.077283][   T10] 
[ 1752.079643][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1752.079643][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1752.079643][   T10]      ipv6_find_idev+0x102/0x170
[ 1752.079643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1752.079643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.079643][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.079643][   T10]      netlink_unicast+0x449/0x710
[ 1752.079643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.079643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.079643][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.079643][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.079643][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.079643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.079643][   T10] 
[ 1752.081501][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1752.081501][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1752.081501][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1752.081501][   T10]      ipv6_find_idev+0x102/0x170
[ 1752.081501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1752.081501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1752.081501][   T10]      netlink_rcv_skb+0x130/0x360
[ 1752.081501][   T10]      netlink_unicast+0x449/0x710
[ 1752.081501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1752.081501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1752.081501][   T10]      ___sys_sendmsg+0xee/0x170
[ 1752.081501][   T10]      __sys_sendmsg+0xcd/0x170
[ 1752.081501][   T10]      do_syscall_64+0xc6/0x1e0
[ 1752.081501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1752.081501][   T10] 
[ 1762.225528][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1762.225964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.225964][   T10]      dst_init+0x84/0x4a0
[ 1762.225964][   T10]      dst_alloc+0x97/0x150
[ 1762.225964][   T10]      ip6_dst_alloc+0x23/0x90
[ 1762.225964][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1762.225964][   T10]      ip6_pol_route+0x56f/0x840
[ 1762.225964][   T10]      fib6_rule_lookup+0x456/0x630
[ 1762.225964][   T10]      ip6_route_input+0x59c/0xa50
[ 1762.225964][   T10]      ipv6_rcv+0x397/0x810
[ 1762.225964][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1762.225964][   T10]      process_backlog+0x101/0x620
[ 1762.225964][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1762.225964][   T10]      net_rx_action+0x495/0xbe0
[ 1762.225964][   T10]      __do_softirq+0x1b5/0x7f6
[ 1762.225964][   T10] 
[ 1762.227764][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.227764][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1762.227764][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1762.227764][   T10]      fib6_nh_init+0xa22/0x1580
[ 1762.227764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.227764][   T10]      ip6_route_add+0x1c/0x140
[ 1762.227764][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1762.227764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.227764][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.227764][   T10]      netlink_unicast+0x449/0x710
[ 1762.227764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.227764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.227764][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.227764][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.227764][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.227764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.227764][   T10] 
[ 1762.229778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.229778][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.229778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.229778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.229778][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1762.229778][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1762.229778][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1762.229778][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1762.229778][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1762.229778][   T10]      addrconf_dad_begin+0x310/0x670
[ 1762.229778][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1762.229778][   T10]      process_one_work+0x84d/0x18a0
[ 1762.229778][   T10]      worker_thread+0x587/0xd30
[ 1762.229778][   T10]      kthread+0x28a/0x350
[ 1762.229778][   T10]      ret_from_fork+0x31/0x70
[ 1762.229778][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1762.229778][   T10] 
[ 1762.231826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.231826][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.231826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.231826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.231826][   T10]      ip6_route_add+0x1c/0x140
[ 1762.231826][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1762.231826][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1762.231826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.231826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.231826][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.231826][   T10]      netlink_unicast+0x449/0x710
[ 1762.231826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.231826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.231826][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.231826][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.231826][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.231826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.231826][   T10] 
[ 1762.233964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.233964][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.233964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.233964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.233964][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1762.233964][   T10]      ipv6_add_addr+0x411/0x2000
[ 1762.233964][   T10]      inet6_addr_add+0x30e/0xa40
[ 1762.233964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.233964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.233964][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.233964][   T10]      netlink_unicast+0x449/0x710
[ 1762.233964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.233964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.233964][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.233964][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.233964][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.233964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.233964][   T10] 
[ 1762.236084][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.236084][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.236084][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.236084][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.236084][   T10]      ip6_route_add+0x1c/0x140
[ 1762.236084][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1762.236084][   T10]      addrconf_add_dev+0xe2/0x170
[ 1762.236084][   T10]      inet6_addr_add+0x12f/0xa40
[ 1762.236084][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.236084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.236084][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.236084][   T10]      netlink_unicast+0x449/0x710
[ 1762.236084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.236084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.236084][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.236084][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.236084][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.236084][   T10] 
[ 1762.238236][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.238236][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1762.238236][   T10]      ipv6_find_idev+0x102/0x170
[ 1762.238236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1762.238236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.238236][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.238236][   T10]      netlink_unicast+0x449/0x710
[ 1762.238236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.238236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.238236][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.238236][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.238236][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.238236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.238236][   T10] 
[ 1762.239882][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1762.239882][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1762.239882][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1762.239882][   T10]      ipv6_find_idev+0x102/0x170
[ 1762.239882][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1762.239882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.239882][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.239882][   T10]      netlink_unicast+0x449/0x710
[ 1762.239882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.239882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.239882][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.239882][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.239882][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.239882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.239882][   T10] 
[ 1762.242102][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1762.242355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.242355][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1762.242355][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1762.242355][   T10]      fib6_nh_init+0xa22/0x1580
[ 1762.242355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.242355][   T10]      ip6_route_add+0x1c/0x140
[ 1762.242355][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1762.242355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.242355][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.242355][   T10]      netlink_unicast+0x449/0x710
[ 1762.242355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.242355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.242355][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.242355][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.242355][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.242355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.242355][   T10] 
[ 1762.244350][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.244350][   T10]      dst_init+0x84/0x4a0
[ 1762.244350][   T10]      dst_alloc+0x97/0x150
[ 1762.244350][   T10]      ip6_dst_alloc+0x23/0x90
[ 1762.244350][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1762.244350][   T10]      ip6_pol_route+0x56f/0x840
[ 1762.244350][   T10]      fib6_rule_lookup+0x456/0x630
[ 1762.244350][   T10]      ip6_route_input+0x59c/0xa50
[ 1762.244350][   T10]      ipv6_rcv+0x397/0x810
[ 1762.244350][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1762.244350][   T10]      process_backlog+0x101/0x620
[ 1762.244350][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1762.244350][   T10]      net_rx_action+0x495/0xbe0
[ 1762.244350][   T10]      __do_softirq+0x1b5/0x7f6
[ 1762.244350][   T10] 
[ 1762.246160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.246160][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.246160][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.246160][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.246160][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1762.246160][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1762.246160][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1762.246160][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1762.246160][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1762.246160][   T10]      addrconf_dad_begin+0x310/0x670
[ 1762.246160][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1762.246160][   T10]      process_one_work+0x84d/0x18a0
[ 1762.246160][   T10]      worker_thread+0x587/0xd30
[ 1762.246160][   T10]      kthread+0x28a/0x350
[ 1762.246160][   T10]      ret_from_fork+0x31/0x70
[ 1762.246160][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1762.246160][   T10] 
[ 1762.248267][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.248267][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.248267][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.248267][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.248267][   T10]      ip6_route_add+0x1c/0x140
[ 1762.248267][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1762.248267][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1762.248267][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.248267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.248267][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.248267][   T10]      netlink_unicast+0x449/0x710
[ 1762.248267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.248267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.248267][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.248267][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.248267][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.248267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.248267][   T10] 
[ 1762.250372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.250372][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.250372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.250372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.250372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1762.250372][   T10]      ipv6_add_addr+0x411/0x2000
[ 1762.250372][   T10]      inet6_addr_add+0x30e/0xa40
[ 1762.250372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.250372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.250372][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.250372][   T10]      netlink_unicast+0x449/0x710
[ 1762.250372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.250372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.250372][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.250372][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.250372][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.250372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.250372][   T10] 
[ 1762.252486][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.252486][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.252486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.252486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.252486][   T10]      ip6_route_add+0x1c/0x140
[ 1762.252486][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1762.252486][   T10]      addrconf_add_dev+0xe2/0x170
[ 1762.252486][   T10]      inet6_addr_add+0x12f/0xa40
[ 1762.252486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.252486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.252486][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.252486][   T10]      netlink_unicast+0x449/0x710
[ 1762.252486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.252486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.252486][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.252486][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.252486][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.252486][   T10] 
[ 1762.254796][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.254796][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1762.254796][   T10]      ipv6_find_idev+0x102/0x170
[ 1762.254796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1762.254796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.254796][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.254796][   T10]      netlink_unicast+0x449/0x710
[ 1762.254796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.254796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.254796][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.254796][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.254796][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.254796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.254796][   T10] 
[ 1762.256608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1762.256608][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1762.256608][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1762.256608][   T10]      ipv6_find_idev+0x102/0x170
[ 1762.256608][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1762.256608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.256608][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.256608][   T10]      netlink_unicast+0x449/0x710
[ 1762.256608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.256608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.256608][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.256608][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.256608][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.256608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.256608][   T10] 
[ 1762.258693][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1762.258940][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1762.258940][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.258940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.258940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.258940][   T10]      ip6_route_add+0x1c/0x140
[ 1762.258940][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1762.258940][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1762.258940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.258940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.258940][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.258940][   T10]      netlink_unicast+0x449/0x710
[ 1762.258940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.258940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.258940][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.258940][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.258940][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.258940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.258940][   T10] 
[ 1762.261271][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1762.261271][   T10]      netdev_get_by_index+0x5e/0x80
[ 1762.261271][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1762.261271][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1762.261271][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1762.261271][   T10]      ipv6_add_addr+0x411/0x2000
[ 1762.261271][   T10]      inet6_addr_add+0x30e/0xa40
[ 1762.261271][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1762.261271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.261271][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.261271][   T10]      netlink_unicast+0x449/0x710
[ 1762.261271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.261271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.261271][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.261271][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.261271][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.261271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.261271][   T10] 
[ 1762.263593][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1762.263593][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1762.263593][   T10]      ipv6_find_idev+0x102/0x170
[ 1762.263593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1762.263593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.263593][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.263593][   T10]      netlink_unicast+0x449/0x710
[ 1762.263593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.263593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.263593][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.263593][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.263593][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.263593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.263593][   T10] 
[ 1762.265378][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1762.265378][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1762.265378][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1762.265378][   T10]      ipv6_find_idev+0x102/0x170
[ 1762.265378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1762.265378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1762.265378][   T10]      netlink_rcv_skb+0x130/0x360
[ 1762.265378][   T10]      netlink_unicast+0x449/0x710
[ 1762.265378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1762.265378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1762.265378][   T10]      ___sys_sendmsg+0xee/0x170
[ 1762.265378][   T10]      __sys_sendmsg+0xcd/0x170
[ 1762.265378][   T10]      do_syscall_64+0xc6/0x1e0
[ 1762.265378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1762.265378][   T10] 
[ 1772.504758][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1772.505428][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.505428][   T10]      dst_init+0x84/0x4a0
[ 1772.505428][   T10]      dst_alloc+0x97/0x150
[ 1772.505428][   T10]      ip6_dst_alloc+0x23/0x90
[ 1772.505428][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1772.505428][   T10]      ip6_pol_route+0x56f/0x840
[ 1772.505428][   T10]      fib6_rule_lookup+0x456/0x630
[ 1772.505428][   T10]      ip6_route_input+0x59c/0xa50
[ 1772.505428][   T10]      ipv6_rcv+0x397/0x810
[ 1772.505428][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1772.505428][   T10]      process_backlog+0x101/0x620
[ 1772.505428][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1772.505428][   T10]      net_rx_action+0x495/0xbe0
[ 1772.505428][   T10]      __do_softirq+0x1b5/0x7f6
[ 1772.505428][   T10] 
[ 1772.507312][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.507312][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1772.507312][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1772.507312][   T10]      fib6_nh_init+0xa22/0x1580
[ 1772.507312][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.507312][   T10]      ip6_route_add+0x1c/0x140
[ 1772.507312][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1772.507312][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.507312][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.507312][   T10]      netlink_unicast+0x449/0x710
[ 1772.507312][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.507312][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.507312][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.507312][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.507312][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.507312][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.507312][   T10] 
[ 1772.509435][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.509435][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.509435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.509435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.509435][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1772.509435][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1772.509435][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1772.509435][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1772.509435][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1772.509435][   T10]      addrconf_dad_begin+0x310/0x670
[ 1772.509435][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1772.509435][   T10]      process_one_work+0x84d/0x18a0
[ 1772.509435][   T10]      worker_thread+0x587/0xd30
[ 1772.509435][   T10]      kthread+0x28a/0x350
[ 1772.509435][   T10]      ret_from_fork+0x31/0x70
[ 1772.509435][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1772.509435][   T10] 
[ 1772.511528][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.511528][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.511528][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.511528][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.511528][   T10]      ip6_route_add+0x1c/0x140
[ 1772.511528][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1772.511528][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1772.511528][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.511528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.511528][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.511528][   T10]      netlink_unicast+0x449/0x710
[ 1772.511528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.511528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.511528][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.511528][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.511528][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.511528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.511528][   T10] 
[ 1772.513743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.513743][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.513743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.513743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.513743][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1772.513743][   T10]      ipv6_add_addr+0x411/0x2000
[ 1772.513743][   T10]      inet6_addr_add+0x30e/0xa40
[ 1772.513743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.513743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.513743][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.513743][   T10]      netlink_unicast+0x449/0x710
[ 1772.513743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.513743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.513743][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.513743][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.513743][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.513743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.513743][   T10] 
[ 1772.515904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.515904][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.515904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.515904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.515904][   T10]      ip6_route_add+0x1c/0x140
[ 1772.515904][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1772.515904][   T10]      addrconf_add_dev+0xe2/0x170
[ 1772.515904][   T10]      inet6_addr_add+0x12f/0xa40
[ 1772.515904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.515904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.515904][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.515904][   T10]      netlink_unicast+0x449/0x710
[ 1772.515904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.515904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.515904][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.515904][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.515904][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.515904][   T10] 
[ 1772.518070][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.518070][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1772.518070][   T10]      ipv6_find_idev+0x102/0x170
[ 1772.518070][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1772.518070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.518070][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.518070][   T10]      netlink_unicast+0x449/0x710
[ 1772.518070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.518070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.518070][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.518070][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.518070][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.518070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.518070][   T10] 
[ 1772.519738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1772.519738][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1772.519738][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1772.519738][   T10]      ipv6_find_idev+0x102/0x170
[ 1772.519738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1772.519738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.519738][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.519738][   T10]      netlink_unicast+0x449/0x710
[ 1772.519738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.519738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.519738][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.519738][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.519738][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.519738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.519738][   T10] 
[ 1772.521523][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1772.521795][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.521795][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1772.521795][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1772.521795][   T10]      fib6_nh_init+0xa22/0x1580
[ 1772.521795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.521795][   T10]      ip6_route_add+0x1c/0x140
[ 1772.521795][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1772.521795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.521795][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.521795][   T10]      netlink_unicast+0x449/0x710
[ 1772.521795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.521795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.521795][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.521795][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.521795][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.521795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.521795][   T10] 
[ 1772.523788][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.523788][   T10]      dst_init+0x84/0x4a0
[ 1772.523788][   T10]      dst_alloc+0x97/0x150
[ 1772.523788][   T10]      ip6_dst_alloc+0x23/0x90
[ 1772.523788][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1772.523788][   T10]      ip6_pol_route+0x56f/0x840
[ 1772.523788][   T10]      fib6_rule_lookup+0x456/0x630
[ 1772.523788][   T10]      ip6_route_input+0x59c/0xa50
[ 1772.523788][   T10]      ipv6_rcv+0x397/0x810
[ 1772.523788][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1772.523788][   T10]      process_backlog+0x101/0x620
[ 1772.523788][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1772.523788][   T10]      net_rx_action+0x495/0xbe0
[ 1772.523788][   T10]      __do_softirq+0x1b5/0x7f6
[ 1772.523788][   T10] 
[ 1772.525512][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.525512][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.525512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.525512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.525512][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1772.525512][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1772.525512][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1772.525512][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1772.525512][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1772.525512][   T10]      addrconf_dad_begin+0x310/0x670
[ 1772.525512][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1772.525512][   T10]      process_one_work+0x84d/0x18a0
[ 1772.525512][   T10]      worker_thread+0x587/0xd30
[ 1772.525512][   T10]      kthread+0x28a/0x350
[ 1772.525512][   T10]      ret_from_fork+0x31/0x70
[ 1772.525512][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1772.525512][   T10] 
[ 1772.527542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.527542][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.527542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.527542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.527542][   T10]      ip6_route_add+0x1c/0x140
[ 1772.527542][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1772.527542][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1772.527542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.527542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.527542][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.527542][   T10]      netlink_unicast+0x449/0x710
[ 1772.527542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.527542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.527542][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.527542][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.527542][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.527542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.527542][   T10] 
[ 1772.529682][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.529682][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.529682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.529682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.529682][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1772.529682][   T10]      ipv6_add_addr+0x411/0x2000
[ 1772.529682][   T10]      inet6_addr_add+0x30e/0xa40
[ 1772.529682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.529682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.529682][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.529682][   T10]      netlink_unicast+0x449/0x710
[ 1772.529682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.529682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.529682][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.529682][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.529682][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.529682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.529682][   T10] 
[ 1772.531874][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.531874][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.531874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.531874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.531874][   T10]      ip6_route_add+0x1c/0x140
[ 1772.531874][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1772.531874][   T10]      addrconf_add_dev+0xe2/0x170
[ 1772.531874][   T10]      inet6_addr_add+0x12f/0xa40
[ 1772.531874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.531874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.531874][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.531874][   T10]      netlink_unicast+0x449/0x710
[ 1772.531874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.531874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.531874][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.531874][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.531874][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.531874][   T10] 
[ 1772.534059][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.534059][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1772.534059][   T10]      ipv6_find_idev+0x102/0x170
[ 1772.534059][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1772.534059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.534059][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.534059][   T10]      netlink_unicast+0x449/0x710
[ 1772.534059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.534059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.534059][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.534059][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.534059][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.534059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.534059][   T10] 
[ 1772.535906][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1772.535906][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1772.535906][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1772.535906][   T10]      ipv6_find_idev+0x102/0x170
[ 1772.535906][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1772.535906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.535906][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.535906][   T10]      netlink_unicast+0x449/0x710
[ 1772.535906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.535906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.535906][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.535906][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.535906][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.535906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.535906][   T10] 
[ 1772.538001][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1772.538244][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1772.538244][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.538244][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.538244][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.538244][   T10]      ip6_route_add+0x1c/0x140
[ 1772.538244][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1772.538244][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1772.538244][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.538244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.538244][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.538244][   T10]      netlink_unicast+0x449/0x710
[ 1772.538244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.538244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.538244][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.538244][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.538244][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.538244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.538244][   T10] 
[ 1772.540599][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1772.540599][   T10]      netdev_get_by_index+0x5e/0x80
[ 1772.540599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1772.540599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1772.540599][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1772.540599][   T10]      ipv6_add_addr+0x411/0x2000
[ 1772.540599][   T10]      inet6_addr_add+0x30e/0xa40
[ 1772.540599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1772.540599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.540599][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.540599][   T10]      netlink_unicast+0x449/0x710
[ 1772.540599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.540599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.540599][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.540599][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.540599][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.540599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.540599][   T10] 
[ 1772.542956][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1772.542956][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1772.542956][   T10]      ipv6_find_idev+0x102/0x170
[ 1772.542956][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1772.542956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.542956][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.542956][   T10]      netlink_unicast+0x449/0x710
[ 1772.542956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.542956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.542956][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.542956][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.542956][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.542956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.542956][   T10] 
[ 1772.544806][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1772.544806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1772.544806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1772.544806][   T10]      ipv6_find_idev+0x102/0x170
[ 1772.544806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1772.544806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1772.544806][   T10]      netlink_rcv_skb+0x130/0x360
[ 1772.544806][   T10]      netlink_unicast+0x449/0x710
[ 1772.544806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1772.544806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1772.544806][   T10]      ___sys_sendmsg+0xee/0x170
[ 1772.544806][   T10]      __sys_sendmsg+0xcd/0x170
[ 1772.544806][   T10]      do_syscall_64+0xc6/0x1e0
[ 1772.544806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1772.544806][   T10] 
[ 1782.785452][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1782.785901][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.785901][   T10]      dst_init+0x84/0x4a0
[ 1782.785901][   T10]      dst_alloc+0x97/0x150
[ 1782.785901][   T10]      ip6_dst_alloc+0x23/0x90
[ 1782.785901][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1782.785901][   T10]      ip6_pol_route+0x56f/0x840
[ 1782.785901][   T10]      fib6_rule_lookup+0x456/0x630
[ 1782.785901][   T10]      ip6_route_input+0x59c/0xa50
[ 1782.785901][   T10]      ipv6_rcv+0x397/0x810
[ 1782.785901][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1782.785901][   T10]      process_backlog+0x101/0x620
[ 1782.785901][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1782.785901][   T10]      net_rx_action+0x495/0xbe0
[ 1782.785901][   T10]      __do_softirq+0x1b5/0x7f6
[ 1782.785901][   T10] 
[ 1782.787683][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.787683][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1782.787683][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1782.787683][   T10]      fib6_nh_init+0xa22/0x1580
[ 1782.787683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.787683][   T10]      ip6_route_add+0x1c/0x140
[ 1782.787683][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1782.787683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.787683][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.787683][   T10]      netlink_unicast+0x449/0x710
[ 1782.787683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.787683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.787683][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.787683][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.787683][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.787683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.787683][   T10] 
[ 1782.789746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.789746][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.789746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.789746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.789746][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1782.789746][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1782.789746][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1782.789746][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1782.789746][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1782.789746][   T10]      addrconf_dad_begin+0x310/0x670
[ 1782.789746][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1782.789746][   T10]      process_one_work+0x84d/0x18a0
[ 1782.789746][   T10]      worker_thread+0x587/0xd30
[ 1782.789746][   T10]      kthread+0x28a/0x350
[ 1782.789746][   T10]      ret_from_fork+0x31/0x70
[ 1782.789746][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1782.789746][   T10] 
[ 1782.791826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.791826][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.791826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.791826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.791826][   T10]      ip6_route_add+0x1c/0x140
[ 1782.791826][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1782.791826][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1782.791826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.791826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.791826][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.791826][   T10]      netlink_unicast+0x449/0x710
[ 1782.791826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.791826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.791826][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.791826][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.791826][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.791826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.791826][   T10] 
[ 1782.793976][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.793976][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.793976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.793976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.793976][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1782.793976][   T10]      ipv6_add_addr+0x411/0x2000
[ 1782.793976][   T10]      inet6_addr_add+0x30e/0xa40
[ 1782.793976][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.793976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.793976][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.793976][   T10]      netlink_unicast+0x449/0x710
[ 1782.793976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.793976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.793976][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.793976][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.793976][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.793976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.793976][   T10] 
[ 1782.796088][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.796088][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.796088][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.796088][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.796088][   T10]      ip6_route_add+0x1c/0x140
[ 1782.796088][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1782.796088][   T10]      addrconf_add_dev+0xe2/0x170
[ 1782.796088][   T10]      inet6_addr_add+0x12f/0xa40
[ 1782.796088][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.796088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.796088][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.796088][   T10]      netlink_unicast+0x449/0x710
[ 1782.796088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.796088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.796088][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.796088][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.796088][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.796088][   T10] 
[ 1782.798235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.798235][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1782.798235][   T10]      ipv6_find_idev+0x102/0x170
[ 1782.798235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1782.798235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.798235][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.798235][   T10]      netlink_unicast+0x449/0x710
[ 1782.798235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.798235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.798235][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.798235][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.798235][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.798235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.798235][   T10] 
[ 1782.799877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1782.799877][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1782.799877][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1782.799877][   T10]      ipv6_find_idev+0x102/0x170
[ 1782.799877][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1782.799877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.799877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.799877][   T10]      netlink_unicast+0x449/0x710
[ 1782.799877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.799877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.799877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.799877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.799877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.799877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.799877][   T10] 
[ 1782.801674][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1782.801926][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.801926][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1782.801926][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1782.801926][   T10]      fib6_nh_init+0xa22/0x1580
[ 1782.801926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.801926][   T10]      ip6_route_add+0x1c/0x140
[ 1782.801926][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1782.801926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.801926][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.801926][   T10]      netlink_unicast+0x449/0x710
[ 1782.801926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.801926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.801926][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.801926][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.801926][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.801926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.801926][   T10] 
[ 1782.803908][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.803908][   T10]      dst_init+0x84/0x4a0
[ 1782.803908][   T10]      dst_alloc+0x97/0x150
[ 1782.803908][   T10]      ip6_dst_alloc+0x23/0x90
[ 1782.803908][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1782.803908][   T10]      ip6_pol_route+0x56f/0x840
[ 1782.803908][   T10]      fib6_rule_lookup+0x456/0x630
[ 1782.803908][   T10]      ip6_route_input+0x59c/0xa50
[ 1782.803908][   T10]      ipv6_rcv+0x397/0x810
[ 1782.803908][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1782.803908][   T10]      process_backlog+0x101/0x620
[ 1782.803908][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1782.803908][   T10]      net_rx_action+0x495/0xbe0
[ 1782.803908][   T10]      __do_softirq+0x1b5/0x7f6
[ 1782.803908][   T10] 
[ 1782.805655][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.805655][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.805655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.805655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.805655][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1782.805655][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1782.805655][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1782.805655][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1782.805655][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1782.805655][   T10]      addrconf_dad_begin+0x310/0x670
[ 1782.805655][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1782.805655][   T10]      process_one_work+0x84d/0x18a0
[ 1782.805655][   T10]      worker_thread+0x587/0xd30
[ 1782.805655][   T10]      kthread+0x28a/0x350
[ 1782.805655][   T10]      ret_from_fork+0x31/0x70
[ 1782.805655][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1782.805655][   T10] 
[ 1782.807685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.807685][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.807685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.807685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.807685][   T10]      ip6_route_add+0x1c/0x140
[ 1782.807685][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1782.807685][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1782.807685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.807685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.807685][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.807685][   T10]      netlink_unicast+0x449/0x710
[ 1782.807685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.807685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.807685][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.807685][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.807685][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.807685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.807685][   T10] 
[ 1782.809804][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.809804][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.809804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.809804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.809804][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1782.809804][   T10]      ipv6_add_addr+0x411/0x2000
[ 1782.809804][   T10]      inet6_addr_add+0x30e/0xa40
[ 1782.809804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.809804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.809804][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.809804][   T10]      netlink_unicast+0x449/0x710
[ 1782.809804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.809804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.809804][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.809804][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.809804][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.809804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.809804][   T10] 
[ 1782.811936][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.811936][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.811936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.811936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.811936][   T10]      ip6_route_add+0x1c/0x140
[ 1782.811936][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1782.811936][   T10]      addrconf_add_dev+0xe2/0x170
[ 1782.811936][   T10]      inet6_addr_add+0x12f/0xa40
[ 1782.811936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.811936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.811936][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.811936][   T10]      netlink_unicast+0x449/0x710
[ 1782.811936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.811936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.811936][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.811936][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.811936][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.811936][   T10] 
[ 1782.814165][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.814165][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1782.814165][   T10]      ipv6_find_idev+0x102/0x170
[ 1782.814165][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1782.814165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.814165][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.814165][   T10]      netlink_unicast+0x449/0x710
[ 1782.814165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.814165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.814165][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.814165][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.814165][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.814165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.814165][   T10] 
[ 1782.815957][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1782.815957][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1782.815957][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1782.815957][   T10]      ipv6_find_idev+0x102/0x170
[ 1782.815957][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1782.815957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.815957][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.815957][   T10]      netlink_unicast+0x449/0x710
[ 1782.815957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.815957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.815957][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.815957][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.815957][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.815957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.815957][   T10] 
[ 1782.818035][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1782.818306][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1782.818306][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.818306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.818306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.818306][   T10]      ip6_route_add+0x1c/0x140
[ 1782.818306][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1782.818306][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1782.818306][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.818306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.818306][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.818306][   T10]      netlink_unicast+0x449/0x710
[ 1782.818306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.818306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.818306][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.818306][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.818306][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.818306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.818306][   T10] 
[ 1782.820695][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1782.820695][   T10]      netdev_get_by_index+0x5e/0x80
[ 1782.820695][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1782.820695][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1782.820695][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1782.820695][   T10]      ipv6_add_addr+0x411/0x2000
[ 1782.820695][   T10]      inet6_addr_add+0x30e/0xa40
[ 1782.820695][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1782.820695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.820695][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.820695][   T10]      netlink_unicast+0x449/0x710
[ 1782.820695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.820695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.820695][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.820695][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.820695][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.820695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.820695][   T10] 
[ 1782.823027][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1782.823027][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1782.823027][   T10]      ipv6_find_idev+0x102/0x170
[ 1782.823027][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1782.823027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.823027][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.823027][   T10]      netlink_unicast+0x449/0x710
[ 1782.823027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.823027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.823027][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.823027][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.823027][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.823027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.823027][   T10] 
[ 1782.824846][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1782.824846][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1782.824846][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1782.824846][   T10]      ipv6_find_idev+0x102/0x170
[ 1782.824846][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1782.824846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1782.824846][   T10]      netlink_rcv_skb+0x130/0x360
[ 1782.824846][   T10]      netlink_unicast+0x449/0x710
[ 1782.824846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1782.824846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1782.824846][   T10]      ___sys_sendmsg+0xee/0x170
[ 1782.824846][   T10]      __sys_sendmsg+0xcd/0x170
[ 1782.824846][   T10]      do_syscall_64+0xc6/0x1e0
[ 1782.824846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1782.824846][   T10] 
[ 1793.064712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1793.065177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.065177][   T10]      dst_init+0x84/0x4a0
[ 1793.065177][   T10]      dst_alloc+0x97/0x150
[ 1793.065177][   T10]      ip6_dst_alloc+0x23/0x90
[ 1793.065177][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1793.065177][   T10]      ip6_pol_route+0x56f/0x840
[ 1793.065177][   T10]      fib6_rule_lookup+0x456/0x630
[ 1793.065177][   T10]      ip6_route_input+0x59c/0xa50
[ 1793.065177][   T10]      ipv6_rcv+0x397/0x810
[ 1793.065177][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1793.065177][   T10]      process_backlog+0x101/0x620
[ 1793.065177][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1793.065177][   T10]      net_rx_action+0x495/0xbe0
[ 1793.065177][   T10]      __do_softirq+0x1b5/0x7f6
[ 1793.065177][   T10] 
[ 1793.066868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.066868][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1793.066868][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1793.066868][   T10]      fib6_nh_init+0xa22/0x1580
[ 1793.066868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.066868][   T10]      ip6_route_add+0x1c/0x140
[ 1793.066868][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1793.066868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.066868][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.066868][   T10]      netlink_unicast+0x449/0x710
[ 1793.066868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.066868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.066868][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.066868][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.066868][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.066868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.066868][   T10] 
[ 1793.068795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.068795][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.068795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.068795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.068795][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1793.068795][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1793.068795][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1793.068795][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1793.068795][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1793.068795][   T10]      addrconf_dad_begin+0x310/0x670
[ 1793.068795][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1793.068795][   T10]      process_one_work+0x84d/0x18a0
[ 1793.068795][   T10]      worker_thread+0x587/0xd30
[ 1793.068795][   T10]      kthread+0x28a/0x350
[ 1793.068795][   T10]      ret_from_fork+0x31/0x70
[ 1793.068795][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1793.068795][   T10] 
[ 1793.070731][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.070731][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.070731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.070731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.070731][   T10]      ip6_route_add+0x1c/0x140
[ 1793.070731][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1793.070731][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1793.070731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.070731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.070731][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.070731][   T10]      netlink_unicast+0x449/0x710
[ 1793.070731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.070731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.070731][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.070731][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.070731][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.070731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.070731][   T10] 
[ 1793.072755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.072755][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.072755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.072755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.072755][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1793.072755][   T10]      ipv6_add_addr+0x411/0x2000
[ 1793.072755][   T10]      inet6_addr_add+0x30e/0xa40
[ 1793.072755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.072755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.072755][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.072755][   T10]      netlink_unicast+0x449/0x710
[ 1793.072755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.072755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.072755][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.072755][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.072755][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.072755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.072755][   T10] 
[ 1793.074799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.074799][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.074799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.074799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.074799][   T10]      ip6_route_add+0x1c/0x140
[ 1793.074799][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1793.074799][   T10]      addrconf_add_dev+0xe2/0x170
[ 1793.074799][   T10]      inet6_addr_add+0x12f/0xa40
[ 1793.074799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.074799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.074799][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.074799][   T10]      netlink_unicast+0x449/0x710
[ 1793.074799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.074799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.074799][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.074799][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.074799][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.074799][   T10] 
[ 1793.076781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.076781][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1793.076781][   T10]      ipv6_find_idev+0x102/0x170
[ 1793.076781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1793.076781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.076781][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.076781][   T10]      netlink_unicast+0x449/0x710
[ 1793.076781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.076781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.076781][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.076781][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.076781][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.076781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.076781][   T10] 
[ 1793.078344][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1793.078344][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1793.078344][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1793.078344][   T10]      ipv6_find_idev+0x102/0x170
[ 1793.078344][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1793.078344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.078344][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.078344][   T10]      netlink_unicast+0x449/0x710
[ 1793.078344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.078344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.078344][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.078344][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.078344][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.078344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.078344][   T10] 
[ 1793.080075][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1793.080317][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.080317][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1793.080317][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1793.080317][   T10]      fib6_nh_init+0xa22/0x1580
[ 1793.080317][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.080317][   T10]      ip6_route_add+0x1c/0x140
[ 1793.080317][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1793.080317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.080317][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.080317][   T10]      netlink_unicast+0x449/0x710
[ 1793.080317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.080317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.080317][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.080317][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.080317][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.080317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.080317][   T10] 
[ 1793.082215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.082215][   T10]      dst_init+0x84/0x4a0
[ 1793.082215][   T10]      dst_alloc+0x97/0x150
[ 1793.082215][   T10]      ip6_dst_alloc+0x23/0x90
[ 1793.082215][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1793.082215][   T10]      ip6_pol_route+0x56f/0x840
[ 1793.082215][   T10]      fib6_rule_lookup+0x456/0x630
[ 1793.082215][   T10]      ip6_route_input+0x59c/0xa50
[ 1793.082215][   T10]      ipv6_rcv+0x397/0x810
[ 1793.082215][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1793.082215][   T10]      process_backlog+0x101/0x620
[ 1793.082215][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1793.082215][   T10]      net_rx_action+0x495/0xbe0
[ 1793.082215][   T10]      __do_softirq+0x1b5/0x7f6
[ 1793.082215][   T10] 
[ 1793.083868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.083868][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.083868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.083868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.083868][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1793.083868][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1793.083868][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1793.083868][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1793.083868][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1793.083868][   T10]      addrconf_dad_begin+0x310/0x670
[ 1793.083868][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1793.083868][   T10]      process_one_work+0x84d/0x18a0
[ 1793.083868][   T10]      worker_thread+0x587/0xd30
[ 1793.083868][   T10]      kthread+0x28a/0x350
[ 1793.083868][   T10]      ret_from_fork+0x31/0x70
[ 1793.083868][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1793.083868][   T10] 
[ 1793.085798][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.085798][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.085798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.085798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.085798][   T10]      ip6_route_add+0x1c/0x140
[ 1793.085798][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1793.085798][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1793.085798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.085798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.085798][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.085798][   T10]      netlink_unicast+0x449/0x710
[ 1793.085798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.085798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.085798][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.085798][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.085798][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.085798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.085798][   T10] 
[ 1793.087830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.087830][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.087830][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.087830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.087830][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1793.087830][   T10]      ipv6_add_addr+0x411/0x2000
[ 1793.087830][   T10]      inet6_addr_add+0x30e/0xa40
[ 1793.087830][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.087830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.087830][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.087830][   T10]      netlink_unicast+0x449/0x710
[ 1793.087830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.087830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.087830][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.087830][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.087830][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.087830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.087830][   T10] 
[ 1793.089855][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.089855][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.089855][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.089855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.089855][   T10]      ip6_route_add+0x1c/0x140
[ 1793.089855][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1793.089855][   T10]      addrconf_add_dev+0xe2/0x170
[ 1793.089855][   T10]      inet6_addr_add+0x12f/0xa40
[ 1793.089855][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.089855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.089855][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.089855][   T10]      netlink_unicast+0x449/0x710
[ 1793.089855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.089855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.089855][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.089855][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.089855][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.089855][   T10] 
[ 1793.092020][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.092020][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1793.092020][   T10]      ipv6_find_idev+0x102/0x170
[ 1793.092020][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1793.092020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.092020][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.092020][   T10]      netlink_unicast+0x449/0x710
[ 1793.092020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.092020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.092020][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.092020][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.092020][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.092020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.092020][   T10] 
[ 1793.093815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1793.093815][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1793.093815][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1793.093815][   T10]      ipv6_find_idev+0x102/0x170
[ 1793.093815][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1793.093815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.093815][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.093815][   T10]      netlink_unicast+0x449/0x710
[ 1793.093815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.093815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.093815][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.093815][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.093815][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.093815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.093815][   T10] 
[ 1793.095703][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1793.095942][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1793.095942][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.095942][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.095942][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.095942][   T10]      ip6_route_add+0x1c/0x140
[ 1793.095942][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1793.095942][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1793.095942][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.095942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.095942][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.095942][   T10]      netlink_unicast+0x449/0x710
[ 1793.095942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.095942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.095942][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.095942][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.095942][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.095942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.095942][   T10] 
[ 1793.098206][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1793.098206][   T10]      netdev_get_by_index+0x5e/0x80
[ 1793.098206][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1793.098206][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1793.098206][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1793.098206][   T10]      ipv6_add_addr+0x411/0x2000
[ 1793.098206][   T10]      inet6_addr_add+0x30e/0xa40
[ 1793.098206][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1793.098206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.098206][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.098206][   T10]      netlink_unicast+0x449/0x710
[ 1793.098206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.098206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.098206][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.098206][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.098206][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.098206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.098206][   T10] 
[ 1793.100478][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1793.100478][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1793.100478][   T10]      ipv6_find_idev+0x102/0x170
[ 1793.100478][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1793.100478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.100478][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.100478][   T10]      netlink_unicast+0x449/0x710
[ 1793.100478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.100478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.100478][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.100478][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.100478][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.100478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.100478][   T10] 
[ 1793.102281][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1793.102281][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1793.102281][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1793.102281][   T10]      ipv6_find_idev+0x102/0x170
[ 1793.102281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1793.102281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1793.102281][   T10]      netlink_rcv_skb+0x130/0x360
[ 1793.102281][   T10]      netlink_unicast+0x449/0x710
[ 1793.102281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1793.102281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1793.102281][   T10]      ___sys_sendmsg+0xee/0x170
[ 1793.102281][   T10]      __sys_sendmsg+0xcd/0x170
[ 1793.102281][   T10]      do_syscall_64+0xc6/0x1e0
[ 1793.102281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1793.102281][   T10] 
[ 1803.176722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1803.177204][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.177204][   T10]      dst_init+0x84/0x4a0
[ 1803.177204][   T10]      dst_alloc+0x97/0x150
[ 1803.177204][   T10]      ip6_dst_alloc+0x23/0x90
[ 1803.177204][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1803.177204][   T10]      ip6_pol_route+0x56f/0x840
[ 1803.177204][   T10]      fib6_rule_lookup+0x456/0x630
[ 1803.177204][   T10]      ip6_route_input+0x59c/0xa50
[ 1803.177204][   T10]      ipv6_rcv+0x397/0x810
[ 1803.177204][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1803.177204][   T10]      process_backlog+0x101/0x620
[ 1803.177204][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1803.177204][   T10]      net_rx_action+0x495/0xbe0
[ 1803.177204][   T10]      __do_softirq+0x1b5/0x7f6
[ 1803.177204][   T10] 
[ 1803.178901][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.178901][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1803.178901][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1803.178901][   T10]      fib6_nh_init+0xa22/0x1580
[ 1803.178901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.178901][   T10]      ip6_route_add+0x1c/0x140
[ 1803.178901][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1803.178901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.178901][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.178901][   T10]      netlink_unicast+0x449/0x710
[ 1803.178901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.178901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.178901][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.178901][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.178901][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.178901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.178901][   T10] 
[ 1803.180825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.180825][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.180825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.180825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.180825][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1803.180825][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1803.180825][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1803.180825][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1803.180825][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1803.180825][   T10]      addrconf_dad_begin+0x310/0x670
[ 1803.180825][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1803.180825][   T10]      process_one_work+0x84d/0x18a0
[ 1803.180825][   T10]      worker_thread+0x587/0xd30
[ 1803.180825][   T10]      kthread+0x28a/0x350
[ 1803.180825][   T10]      ret_from_fork+0x31/0x70
[ 1803.180825][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1803.180825][   T10] 
[ 1803.182769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.182769][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.182769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.182769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.182769][   T10]      ip6_route_add+0x1c/0x140
[ 1803.182769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1803.182769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1803.182769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.182769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.182769][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.182769][   T10]      netlink_unicast+0x449/0x710
[ 1803.182769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.182769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.182769][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.182769][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.182769][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.182769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.182769][   T10] 
[ 1803.184804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.184804][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.184804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.184804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.184804][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1803.184804][   T10]      ipv6_add_addr+0x411/0x2000
[ 1803.184804][   T10]      inet6_addr_add+0x30e/0xa40
[ 1803.184804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.184804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.184804][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.184804][   T10]      netlink_unicast+0x449/0x710
[ 1803.184804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.184804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.184804][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.184804][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.184804][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.184804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.184804][   T10] 
[ 1803.187224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.187224][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.187224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.187224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.187224][   T10]      ip6_route_add+0x1c/0x140
[ 1803.187224][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1803.187224][   T10]      addrconf_add_dev+0xe2/0x170
[ 1803.187224][   T10]      inet6_addr_add+0x12f/0xa40
[ 1803.187224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.187224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.187224][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.187224][   T10]      netlink_unicast+0x449/0x710
[ 1803.187224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.187224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.187224][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.187224][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.187224][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.187224][   T10] 
[ 1803.189228][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.189228][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1803.189228][   T10]      ipv6_find_idev+0x102/0x170
[ 1803.189228][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1803.189228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.189228][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.189228][   T10]      netlink_unicast+0x449/0x710
[ 1803.189228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.189228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.189228][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.189228][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.189228][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.189228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.189228][   T10] 
[ 1803.190785][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1803.190785][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1803.190785][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1803.190785][   T10]      ipv6_find_idev+0x102/0x170
[ 1803.190785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1803.190785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.190785][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.190785][   T10]      netlink_unicast+0x449/0x710
[ 1803.190785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.190785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.190785][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.190785][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.190785][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.190785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.190785][   T10] 
[ 1803.192537][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1803.192797][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.192797][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1803.192797][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1803.192797][   T10]      fib6_nh_init+0xa22/0x1580
[ 1803.192797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.192797][   T10]      ip6_route_add+0x1c/0x140
[ 1803.192797][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1803.192797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.192797][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.192797][   T10]      netlink_unicast+0x449/0x710
[ 1803.192797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.192797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.192797][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.192797][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.192797][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.192797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.192797][   T10] 
[ 1803.194711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.194711][   T10]      dst_init+0x84/0x4a0
[ 1803.194711][   T10]      dst_alloc+0x97/0x150
[ 1803.194711][   T10]      ip6_dst_alloc+0x23/0x90
[ 1803.194711][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1803.194711][   T10]      ip6_pol_route+0x56f/0x840
[ 1803.194711][   T10]      fib6_rule_lookup+0x456/0x630
[ 1803.194711][   T10]      ip6_route_input+0x59c/0xa50
[ 1803.194711][   T10]      ipv6_rcv+0x397/0x810
[ 1803.194711][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1803.194711][   T10]      process_backlog+0x101/0x620
[ 1803.194711][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1803.194711][   T10]      net_rx_action+0x495/0xbe0
[ 1803.194711][   T10]      __do_softirq+0x1b5/0x7f6
[ 1803.194711][   T10] 
[ 1803.196368][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.196368][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.196368][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.196368][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.196368][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1803.196368][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1803.196368][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1803.196368][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1803.196368][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1803.196368][   T10]      addrconf_dad_begin+0x310/0x670
[ 1803.196368][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1803.196368][   T10]      process_one_work+0x84d/0x18a0
[ 1803.196368][   T10]      worker_thread+0x587/0xd30
[ 1803.196368][   T10]      kthread+0x28a/0x350
[ 1803.196368][   T10]      ret_from_fork+0x31/0x70
[ 1803.196368][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1803.196368][   T10] 
[ 1803.198327][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.198327][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.198327][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.198327][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.198327][   T10]      ip6_route_add+0x1c/0x140
[ 1803.198327][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1803.198327][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1803.198327][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.198327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.198327][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.198327][   T10]      netlink_unicast+0x449/0x710
[ 1803.198327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.198327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.198327][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.198327][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.198327][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.198327][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.198327][   T10] 
[ 1803.200351][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.200351][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.200351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.200351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.200351][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1803.200351][   T10]      ipv6_add_addr+0x411/0x2000
[ 1803.200351][   T10]      inet6_addr_add+0x30e/0xa40
[ 1803.200351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.200351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.200351][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.200351][   T10]      netlink_unicast+0x449/0x710
[ 1803.200351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.200351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.200351][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.200351][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.200351][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.200351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.200351][   T10] 
[ 1803.202374][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.202374][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.202374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.202374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.202374][   T10]      ip6_route_add+0x1c/0x140
[ 1803.202374][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1803.202374][   T10]      addrconf_add_dev+0xe2/0x170
[ 1803.202374][   T10]      inet6_addr_add+0x12f/0xa40
[ 1803.202374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.202374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.202374][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.202374][   T10]      netlink_unicast+0x449/0x710
[ 1803.202374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.202374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.202374][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.202374][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.202374][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.202374][   T10] 
[ 1803.204436][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.204436][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1803.204436][   T10]      ipv6_find_idev+0x102/0x170
[ 1803.204436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1803.204436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.204436][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.204436][   T10]      netlink_unicast+0x449/0x710
[ 1803.204436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.204436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.204436][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.204436][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.204436][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.204436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.204436][   T10] 
[ 1803.206182][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1803.206182][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1803.206182][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1803.206182][   T10]      ipv6_find_idev+0x102/0x170
[ 1803.206182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1803.206182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.206182][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.206182][   T10]      netlink_unicast+0x449/0x710
[ 1803.206182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.206182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.206182][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.206182][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.206182][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.206182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.206182][   T10] 
[ 1803.208075][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1803.208328][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1803.208328][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.208328][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.208328][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.208328][   T10]      ip6_route_add+0x1c/0x140
[ 1803.208328][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1803.208328][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1803.208328][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.208328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.208328][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.208328][   T10]      netlink_unicast+0x449/0x710
[ 1803.208328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.208328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.208328][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.208328][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.208328][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.208328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.208328][   T10] 
[ 1803.210429][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1803.210429][   T10]      netdev_get_by_index+0x5e/0x80
[ 1803.210429][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1803.210429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1803.210429][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1803.210429][   T10]      ipv6_add_addr+0x411/0x2000
[ 1803.210429][   T10]      inet6_addr_add+0x30e/0xa40
[ 1803.210429][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1803.210429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.210429][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.210429][   T10]      netlink_unicast+0x449/0x710
[ 1803.210429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.210429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.210429][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.210429][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.210429][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.210429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.210429][   T10] 
[ 1803.212794][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1803.212794][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1803.212794][   T10]      ipv6_find_idev+0x102/0x170
[ 1803.212794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1803.212794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.212794][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.212794][   T10]      netlink_unicast+0x449/0x710
[ 1803.212794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.212794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.212794][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.212794][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.212794][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.212794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.212794][   T10] 
[ 1803.214468][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1803.214468][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1803.214468][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1803.214468][   T10]      ipv6_find_idev+0x102/0x170
[ 1803.214468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1803.214468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1803.214468][   T10]      netlink_rcv_skb+0x130/0x360
[ 1803.214468][   T10]      netlink_unicast+0x449/0x710
[ 1803.214468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1803.214468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1803.214468][   T10]      ___sys_sendmsg+0xee/0x170
[ 1803.214468][   T10]      __sys_sendmsg+0xcd/0x170
[ 1803.214468][   T10]      do_syscall_64+0xc6/0x1e0
[ 1803.214468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1803.214468][   T10] 
[ 1813.216701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1813.217185][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.217185][   T10]      dst_init+0x84/0x4a0
[ 1813.217185][   T10]      dst_alloc+0x97/0x150
[ 1813.217185][   T10]      ip6_dst_alloc+0x23/0x90
[ 1813.217185][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1813.217185][   T10]      ip6_pol_route+0x56f/0x840
[ 1813.217185][   T10]      fib6_rule_lookup+0x456/0x630
[ 1813.217185][   T10]      ip6_route_input+0x59c/0xa50
[ 1813.217185][   T10]      ipv6_rcv+0x397/0x810
[ 1813.217185][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1813.217185][   T10]      process_backlog+0x101/0x620
[ 1813.217185][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1813.217185][   T10]      net_rx_action+0x495/0xbe0
[ 1813.217185][   T10]      __do_softirq+0x1b5/0x7f6
[ 1813.217185][   T10] 
[ 1813.218884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.218884][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1813.218884][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1813.218884][   T10]      fib6_nh_init+0xa22/0x1580
[ 1813.218884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.218884][   T10]      ip6_route_add+0x1c/0x140
[ 1813.218884][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1813.218884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.218884][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.218884][   T10]      netlink_unicast+0x449/0x710
[ 1813.218884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.218884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.218884][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.218884][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.218884][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.218884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.218884][   T10] 
[ 1813.220794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.220794][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.220794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.220794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.220794][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1813.220794][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1813.220794][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1813.220794][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1813.220794][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1813.220794][   T10]      addrconf_dad_begin+0x310/0x670
[ 1813.220794][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1813.220794][   T10]      process_one_work+0x84d/0x18a0
[ 1813.220794][   T10]      worker_thread+0x587/0xd30
[ 1813.220794][   T10]      kthread+0x28a/0x350
[ 1813.220794][   T10]      ret_from_fork+0x31/0x70
[ 1813.220794][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1813.220794][   T10] 
[ 1813.222721][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.222721][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.222721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.222721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.222721][   T10]      ip6_route_add+0x1c/0x140
[ 1813.222721][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1813.222721][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1813.222721][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.222721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.222721][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.222721][   T10]      netlink_unicast+0x449/0x710
[ 1813.222721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.222721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.222721][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.222721][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.222721][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.222721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.222721][   T10] 
[ 1813.225129][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.225129][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.225129][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.225129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.225129][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1813.225129][   T10]      ipv6_add_addr+0x411/0x2000
[ 1813.225129][   T10]      inet6_addr_add+0x30e/0xa40
[ 1813.225129][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.225129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.225129][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.225129][   T10]      netlink_unicast+0x449/0x710
[ 1813.225129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.225129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.225129][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.225129][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.225129][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.225129][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.225129][   T10] 
[ 1813.227147][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.227147][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.227147][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.227147][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.227147][   T10]      ip6_route_add+0x1c/0x140
[ 1813.227147][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1813.227147][   T10]      addrconf_add_dev+0xe2/0x170
[ 1813.227147][   T10]      inet6_addr_add+0x12f/0xa40
[ 1813.227147][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.227147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.227147][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.227147][   T10]      netlink_unicast+0x449/0x710
[ 1813.227147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.227147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.227147][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.227147][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.227147][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.227147][   T10] 
[ 1813.229124][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.229124][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1813.229124][   T10]      ipv6_find_idev+0x102/0x170
[ 1813.229124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1813.229124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.229124][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.229124][   T10]      netlink_unicast+0x449/0x710
[ 1813.229124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.229124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.229124][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.229124][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.229124][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.229124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.229124][   T10] 
[ 1813.230755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1813.230755][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1813.230755][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1813.230755][   T10]      ipv6_find_idev+0x102/0x170
[ 1813.230755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1813.230755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.230755][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.230755][   T10]      netlink_unicast+0x449/0x710
[ 1813.230755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.230755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.230755][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.230755][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.230755][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.230755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.230755][   T10] 
[ 1813.232503][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1813.232759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.232759][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1813.232759][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1813.232759][   T10]      fib6_nh_init+0xa22/0x1580
[ 1813.232759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.232759][   T10]      ip6_route_add+0x1c/0x140
[ 1813.232759][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1813.232759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.232759][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.232759][   T10]      netlink_unicast+0x449/0x710
[ 1813.232759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.232759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.232759][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.232759][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.232759][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.232759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.232759][   T10] 
[ 1813.234666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.234666][   T10]      dst_init+0x84/0x4a0
[ 1813.234666][   T10]      dst_alloc+0x97/0x150
[ 1813.234666][   T10]      ip6_dst_alloc+0x23/0x90
[ 1813.234666][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1813.234666][   T10]      ip6_pol_route+0x56f/0x840
[ 1813.234666][   T10]      fib6_rule_lookup+0x456/0x630
[ 1813.234666][   T10]      ip6_route_input+0x59c/0xa50
[ 1813.234666][   T10]      ipv6_rcv+0x397/0x810
[ 1813.234666][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1813.234666][   T10]      process_backlog+0x101/0x620
[ 1813.234666][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1813.234666][   T10]      net_rx_action+0x495/0xbe0
[ 1813.234666][   T10]      __do_softirq+0x1b5/0x7f6
[ 1813.234666][   T10] 
[ 1813.236319][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.236319][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.236319][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.236319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.236319][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1813.236319][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1813.236319][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1813.236319][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1813.236319][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1813.236319][   T10]      addrconf_dad_begin+0x310/0x670
[ 1813.236319][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1813.236319][   T10]      process_one_work+0x84d/0x18a0
[ 1813.236319][   T10]      worker_thread+0x587/0xd30
[ 1813.236319][   T10]      kthread+0x28a/0x350
[ 1813.236319][   T10]      ret_from_fork+0x31/0x70
[ 1813.236319][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1813.236319][   T10] 
[ 1813.238252][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.238252][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.238252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.238252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.238252][   T10]      ip6_route_add+0x1c/0x140
[ 1813.238252][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1813.238252][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1813.238252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.238252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.238252][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.238252][   T10]      netlink_unicast+0x449/0x710
[ 1813.238252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.238252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.238252][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.238252][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.238252][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.238252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.238252][   T10] 
[ 1813.240275][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.240275][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.240275][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.240275][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.240275][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1813.240275][   T10]      ipv6_add_addr+0x411/0x2000
[ 1813.240275][   T10]      inet6_addr_add+0x30e/0xa40
[ 1813.240275][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.240275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.240275][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.240275][   T10]      netlink_unicast+0x449/0x710
[ 1813.240275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.240275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.240275][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.240275][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.240275][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.240275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.240275][   T10] 
[ 1813.242290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.242290][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.242290][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.242290][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.242290][   T10]      ip6_route_add+0x1c/0x140
[ 1813.242290][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1813.242290][   T10]      addrconf_add_dev+0xe2/0x170
[ 1813.242290][   T10]      inet6_addr_add+0x12f/0xa40
[ 1813.242290][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.242290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.242290][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.242290][   T10]      netlink_unicast+0x449/0x710
[ 1813.242290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.242290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.242290][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.242290][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.242290][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.242290][   T10] 
[ 1813.244449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.244449][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1813.244449][   T10]      ipv6_find_idev+0x102/0x170
[ 1813.244449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1813.244449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.244449][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.244449][   T10]      netlink_unicast+0x449/0x710
[ 1813.244449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.244449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.244449][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.244449][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.244449][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.244449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.244449][   T10] 
[ 1813.246245][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1813.246245][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1813.246245][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1813.246245][   T10]      ipv6_find_idev+0x102/0x170
[ 1813.246245][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1813.246245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.246245][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.246245][   T10]      netlink_unicast+0x449/0x710
[ 1813.246245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.246245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.246245][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.246245][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.246245][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.246245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.246245][   T10] 
[ 1813.248142][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1813.248396][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1813.248396][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.248396][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.248396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.248396][   T10]      ip6_route_add+0x1c/0x140
[ 1813.248396][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1813.248396][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1813.248396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.248396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.248396][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.248396][   T10]      netlink_unicast+0x449/0x710
[ 1813.248396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.248396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.248396][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.248396][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.248396][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.248396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.248396][   T10] 
[ 1813.250646][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1813.250646][   T10]      netdev_get_by_index+0x5e/0x80
[ 1813.250646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1813.250646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1813.250646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1813.250646][   T10]      ipv6_add_addr+0x411/0x2000
[ 1813.250646][   T10]      inet6_addr_add+0x30e/0xa40
[ 1813.250646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1813.250646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.250646][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.250646][   T10]      netlink_unicast+0x449/0x710
[ 1813.250646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.250646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.250646][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.250646][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.250646][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.250646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.250646][   T10] 
[ 1813.252894][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1813.252894][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1813.252894][   T10]      ipv6_find_idev+0x102/0x170
[ 1813.252894][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1813.252894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.252894][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.252894][   T10]      netlink_unicast+0x449/0x710
[ 1813.252894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.252894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.252894][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.252894][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.252894][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.252894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.252894][   T10] 
[ 1813.254696][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1813.254696][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1813.254696][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1813.254696][   T10]      ipv6_find_idev+0x102/0x170
[ 1813.254696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1813.254696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1813.254696][   T10]      netlink_rcv_skb+0x130/0x360
[ 1813.254696][   T10]      netlink_unicast+0x449/0x710
[ 1813.254696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1813.254696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1813.254696][   T10]      ___sys_sendmsg+0xee/0x170
[ 1813.254696][   T10]      __sys_sendmsg+0xcd/0x170
[ 1813.254696][   T10]      do_syscall_64+0xc6/0x1e0
[ 1813.254696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1813.254696][   T10] 
[ 1823.496698][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1823.497171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.497171][   T10]      dst_init+0x84/0x4a0
[ 1823.497171][   T10]      dst_alloc+0x97/0x150
[ 1823.497171][   T10]      ip6_dst_alloc+0x23/0x90
[ 1823.497171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1823.497171][   T10]      ip6_pol_route+0x56f/0x840
[ 1823.497171][   T10]      fib6_rule_lookup+0x456/0x630
[ 1823.497171][   T10]      ip6_route_input+0x59c/0xa50
[ 1823.497171][   T10]      ipv6_rcv+0x397/0x810
[ 1823.497171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1823.497171][   T10]      process_backlog+0x101/0x620
[ 1823.497171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1823.497171][   T10]      net_rx_action+0x495/0xbe0
[ 1823.497171][   T10]      __do_softirq+0x1b5/0x7f6
[ 1823.497171][   T10] 
[ 1823.499026][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.499026][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1823.499026][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1823.499026][   T10]      fib6_nh_init+0xa22/0x1580
[ 1823.499026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.499026][   T10]      ip6_route_add+0x1c/0x140
[ 1823.499026][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1823.499026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.499026][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.499026][   T10]      netlink_unicast+0x449/0x710
[ 1823.499026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.499026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.499026][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.499026][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.499026][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.499026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.499026][   T10] 
[ 1823.501109][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.501109][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.501109][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.501109][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.501109][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1823.501109][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1823.501109][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1823.501109][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1823.501109][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1823.501109][   T10]      addrconf_dad_begin+0x310/0x670
[ 1823.501109][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1823.501109][   T10]      process_one_work+0x84d/0x18a0
[ 1823.501109][   T10]      worker_thread+0x587/0xd30
[ 1823.501109][   T10]      kthread+0x28a/0x350
[ 1823.501109][   T10]      ret_from_fork+0x31/0x70
[ 1823.501109][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1823.501109][   T10] 
[ 1823.503171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.503171][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.503171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.503171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.503171][   T10]      ip6_route_add+0x1c/0x140
[ 1823.503171][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1823.503171][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1823.503171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.503171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.503171][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.503171][   T10]      netlink_unicast+0x449/0x710
[ 1823.503171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.503171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.503171][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.503171][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.503171][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.503171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.503171][   T10] 
[ 1823.505381][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.505381][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.505381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.505381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.505381][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1823.505381][   T10]      ipv6_add_addr+0x411/0x2000
[ 1823.505381][   T10]      inet6_addr_add+0x30e/0xa40
[ 1823.505381][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.505381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.505381][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.505381][   T10]      netlink_unicast+0x449/0x710
[ 1823.505381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.505381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.505381][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.505381][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.505381][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.505381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.505381][   T10] 
[ 1823.507622][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.507622][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.507622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.507622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.507622][   T10]      ip6_route_add+0x1c/0x140
[ 1823.507622][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1823.507622][   T10]      addrconf_add_dev+0xe2/0x170
[ 1823.507622][   T10]      inet6_addr_add+0x12f/0xa40
[ 1823.507622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.507622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.507622][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.507622][   T10]      netlink_unicast+0x449/0x710
[ 1823.507622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.507622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.507622][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.507622][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.507622][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.507622][   T10] 
[ 1823.509769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.509769][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1823.509769][   T10]      ipv6_find_idev+0x102/0x170
[ 1823.509769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1823.509769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.509769][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.509769][   T10]      netlink_unicast+0x449/0x710
[ 1823.509769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.509769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.509769][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.509769][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.509769][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.509769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.509769][   T10] 
[ 1823.511502][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1823.511502][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1823.511502][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1823.511502][   T10]      ipv6_find_idev+0x102/0x170
[ 1823.511502][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1823.511502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.511502][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.511502][   T10]      netlink_unicast+0x449/0x710
[ 1823.511502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.511502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.511502][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.511502][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.511502][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.511502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.511502][   T10] 
[ 1823.513321][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1823.513576][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.513576][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1823.513576][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1823.513576][   T10]      fib6_nh_init+0xa22/0x1580
[ 1823.513576][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.513576][   T10]      ip6_route_add+0x1c/0x140
[ 1823.513576][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1823.513576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.513576][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.513576][   T10]      netlink_unicast+0x449/0x710
[ 1823.513576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.513576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.513576][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.513576][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.513576][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.513576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.513576][   T10] 
[ 1823.515669][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.515669][   T10]      dst_init+0x84/0x4a0
[ 1823.515669][   T10]      dst_alloc+0x97/0x150
[ 1823.515669][   T10]      ip6_dst_alloc+0x23/0x90
[ 1823.515669][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1823.515669][   T10]      ip6_pol_route+0x56f/0x840
[ 1823.515669][   T10]      fib6_rule_lookup+0x456/0x630
[ 1823.515669][   T10]      ip6_route_input+0x59c/0xa50
[ 1823.515669][   T10]      ipv6_rcv+0x397/0x810
[ 1823.515669][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1823.515669][   T10]      process_backlog+0x101/0x620
[ 1823.515669][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1823.515669][   T10]      net_rx_action+0x495/0xbe0
[ 1823.515669][   T10]      __do_softirq+0x1b5/0x7f6
[ 1823.515669][   T10] 
[ 1823.517435][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.517435][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.517435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.517435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.517435][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1823.517435][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1823.517435][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1823.517435][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1823.517435][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1823.517435][   T10]      addrconf_dad_begin+0x310/0x670
[ 1823.517435][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1823.517435][   T10]      process_one_work+0x84d/0x18a0
[ 1823.517435][   T10]      worker_thread+0x587/0xd30
[ 1823.517435][   T10]      kthread+0x28a/0x350
[ 1823.517435][   T10]      ret_from_fork+0x31/0x70
[ 1823.517435][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1823.517435][   T10] 
[ 1823.519564][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.519564][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.519564][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.519564][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.519564][   T10]      ip6_route_add+0x1c/0x140
[ 1823.519564][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1823.519564][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1823.519564][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.519564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.519564][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.519564][   T10]      netlink_unicast+0x449/0x710
[ 1823.519564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.519564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.519564][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.519564][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.519564][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.519564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.519564][   T10] 
[ 1823.521735][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.521735][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.521735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.521735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.521735][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1823.521735][   T10]      ipv6_add_addr+0x411/0x2000
[ 1823.521735][   T10]      inet6_addr_add+0x30e/0xa40
[ 1823.521735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.521735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.521735][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.521735][   T10]      netlink_unicast+0x449/0x710
[ 1823.521735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.521735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.521735][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.521735][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.521735][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.521735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.521735][   T10] 
[ 1823.523857][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.523857][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.523857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.523857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.523857][   T10]      ip6_route_add+0x1c/0x140
[ 1823.523857][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1823.523857][   T10]      addrconf_add_dev+0xe2/0x170
[ 1823.523857][   T10]      inet6_addr_add+0x12f/0xa40
[ 1823.523857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.523857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.523857][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.523857][   T10]      netlink_unicast+0x449/0x710
[ 1823.523857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.523857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.523857][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.523857][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.523857][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.523857][   T10] 
[ 1823.526005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.526005][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1823.526005][   T10]      ipv6_find_idev+0x102/0x170
[ 1823.526005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1823.526005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.526005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.526005][   T10]      netlink_unicast+0x449/0x710
[ 1823.526005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.526005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.526005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.526005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.526005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.526005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.526005][   T10] 
[ 1823.527813][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1823.527813][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1823.527813][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1823.527813][   T10]      ipv6_find_idev+0x102/0x170
[ 1823.527813][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1823.527813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.527813][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.527813][   T10]      netlink_unicast+0x449/0x710
[ 1823.527813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.527813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.527813][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.527813][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.527813][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.527813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.527813][   T10] 
[ 1823.530613][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1823.530872][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1823.530872][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.530872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.530872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.530872][   T10]      ip6_route_add+0x1c/0x140
[ 1823.530872][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1823.530872][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1823.530872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.530872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.530872][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.530872][   T10]      netlink_unicast+0x449/0x710
[ 1823.530872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.530872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.530872][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.530872][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.530872][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.530872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.530872][   T10] 
[ 1823.533122][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1823.533122][   T10]      netdev_get_by_index+0x5e/0x80
[ 1823.533122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1823.533122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1823.533122][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1823.533122][   T10]      ipv6_add_addr+0x411/0x2000
[ 1823.533122][   T10]      inet6_addr_add+0x30e/0xa40
[ 1823.533122][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1823.533122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.533122][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.533122][   T10]      netlink_unicast+0x449/0x710
[ 1823.533122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.533122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.533122][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.533122][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.533122][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.533122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.533122][   T10] 
[ 1823.535465][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1823.535465][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1823.535465][   T10]      ipv6_find_idev+0x102/0x170
[ 1823.535465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1823.535465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.535465][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.535465][   T10]      netlink_unicast+0x449/0x710
[ 1823.535465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.535465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.535465][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.535465][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.535465][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.535465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.535465][   T10] 
[ 1823.537187][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1823.537187][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1823.537187][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1823.537187][   T10]      ipv6_find_idev+0x102/0x170
[ 1823.537187][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1823.537187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1823.537187][   T10]      netlink_rcv_skb+0x130/0x360
[ 1823.537187][   T10]      netlink_unicast+0x449/0x710
[ 1823.537187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1823.537187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1823.537187][   T10]      ___sys_sendmsg+0xee/0x170
[ 1823.537187][   T10]      __sys_sendmsg+0xcd/0x170
[ 1823.537187][   T10]      do_syscall_64+0xc6/0x1e0
[ 1823.537187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1823.537187][   T10] 
[ 1833.696759][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1833.697714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.697714][   T10]      dst_init+0x84/0x4a0
[ 1833.697714][   T10]      dst_alloc+0x97/0x150
[ 1833.697714][   T10]      ip6_dst_alloc+0x23/0x90
[ 1833.697714][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1833.697714][   T10]      ip6_pol_route+0x56f/0x840
[ 1833.697714][   T10]      fib6_rule_lookup+0x456/0x630
[ 1833.697714][   T10]      ip6_route_input+0x59c/0xa50
[ 1833.697714][   T10]      ipv6_rcv+0x397/0x810
[ 1833.697714][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1833.697714][   T10]      process_backlog+0x101/0x620
[ 1833.697714][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1833.697714][   T10]      net_rx_action+0x495/0xbe0
[ 1833.697714][   T10]      __do_softirq+0x1b5/0x7f6
[ 1833.697714][   T10] 
[ 1833.699466][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.699466][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1833.699466][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1833.699466][   T10]      fib6_nh_init+0xa22/0x1580
[ 1833.699466][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.699466][   T10]      ip6_route_add+0x1c/0x140
[ 1833.699466][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1833.699466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.699466][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.699466][   T10]      netlink_unicast+0x449/0x710
[ 1833.699466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.699466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.699466][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.699466][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.699466][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.699466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.699466][   T10] 
[ 1833.701387][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.701387][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.701387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.701387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.701387][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1833.701387][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1833.701387][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1833.701387][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1833.701387][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1833.701387][   T10]      addrconf_dad_begin+0x310/0x670
[ 1833.701387][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1833.701387][   T10]      process_one_work+0x84d/0x18a0
[ 1833.701387][   T10]      worker_thread+0x587/0xd30
[ 1833.701387][   T10]      kthread+0x28a/0x350
[ 1833.701387][   T10]      ret_from_fork+0x31/0x70
[ 1833.701387][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1833.701387][   T10] 
[ 1833.703343][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.703343][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.703343][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.703343][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.703343][   T10]      ip6_route_add+0x1c/0x140
[ 1833.703343][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1833.703343][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1833.703343][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.703343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.703343][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.703343][   T10]      netlink_unicast+0x449/0x710
[ 1833.703343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.703343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.703343][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.703343][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.703343][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.703343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.703343][   T10] 
[ 1833.705390][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.705390][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.705390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.705390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.705390][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1833.705390][   T10]      ipv6_add_addr+0x411/0x2000
[ 1833.705390][   T10]      inet6_addr_add+0x30e/0xa40
[ 1833.705390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.705390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.705390][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.705390][   T10]      netlink_unicast+0x449/0x710
[ 1833.705390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.705390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.705390][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.705390][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.705390][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.705390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.705390][   T10] 
[ 1833.707448][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.707448][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.707448][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.707448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.707448][   T10]      ip6_route_add+0x1c/0x140
[ 1833.707448][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1833.707448][   T10]      addrconf_add_dev+0xe2/0x170
[ 1833.707448][   T10]      inet6_addr_add+0x12f/0xa40
[ 1833.707448][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.707448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.707448][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.707448][   T10]      netlink_unicast+0x449/0x710
[ 1833.707448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.707448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.707448][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.707448][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.707448][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.707448][   T10] 
[ 1833.709430][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.709430][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1833.709430][   T10]      ipv6_find_idev+0x102/0x170
[ 1833.709430][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1833.709430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.709430][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.709430][   T10]      netlink_unicast+0x449/0x710
[ 1833.709430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.709430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.709430][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.709430][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.709430][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.709430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.709430][   T10] 
[ 1833.710971][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1833.710971][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1833.710971][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1833.710971][   T10]      ipv6_find_idev+0x102/0x170
[ 1833.710971][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1833.710971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.710971][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.710971][   T10]      netlink_unicast+0x449/0x710
[ 1833.710971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.710971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.710971][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.710971][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.710971][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.710971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.710971][   T10] 
[ 1833.712679][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1833.712917][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.712917][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1833.712917][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1833.712917][   T10]      fib6_nh_init+0xa22/0x1580
[ 1833.712917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.712917][   T10]      ip6_route_add+0x1c/0x140
[ 1833.712917][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1833.712917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.712917][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.712917][   T10]      netlink_unicast+0x449/0x710
[ 1833.712917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.712917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.712917][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.712917][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.712917][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.712917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.712917][   T10] 
[ 1833.714806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.714806][   T10]      dst_init+0x84/0x4a0
[ 1833.714806][   T10]      dst_alloc+0x97/0x150
[ 1833.714806][   T10]      ip6_dst_alloc+0x23/0x90
[ 1833.714806][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1833.714806][   T10]      ip6_pol_route+0x56f/0x840
[ 1833.714806][   T10]      fib6_rule_lookup+0x456/0x630
[ 1833.714806][   T10]      ip6_route_input+0x59c/0xa50
[ 1833.714806][   T10]      ipv6_rcv+0x397/0x810
[ 1833.714806][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1833.714806][   T10]      process_backlog+0x101/0x620
[ 1833.714806][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1833.714806][   T10]      net_rx_action+0x495/0xbe0
[ 1833.714806][   T10]      __do_softirq+0x1b5/0x7f6
[ 1833.714806][   T10] 
[ 1833.716449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.716449][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.716449][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.716449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.716449][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1833.716449][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1833.716449][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1833.716449][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1833.716449][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1833.716449][   T10]      addrconf_dad_begin+0x310/0x670
[ 1833.716449][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1833.716449][   T10]      process_one_work+0x84d/0x18a0
[ 1833.716449][   T10]      worker_thread+0x587/0xd30
[ 1833.716449][   T10]      kthread+0x28a/0x350
[ 1833.716449][   T10]      ret_from_fork+0x31/0x70
[ 1833.716449][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1833.716449][   T10] 
[ 1833.718395][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.718395][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.718395][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.718395][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.718395][   T10]      ip6_route_add+0x1c/0x140
[ 1833.718395][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1833.718395][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1833.718395][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.718395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.718395][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.718395][   T10]      netlink_unicast+0x449/0x710
[ 1833.718395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.718395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.718395][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.718395][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.718395][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.718395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.718395][   T10] 
[ 1833.720404][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.720404][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.720404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.720404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.720404][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1833.720404][   T10]      ipv6_add_addr+0x411/0x2000
[ 1833.720404][   T10]      inet6_addr_add+0x30e/0xa40
[ 1833.720404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.720404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.720404][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.720404][   T10]      netlink_unicast+0x449/0x710
[ 1833.720404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.720404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.720404][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.720404][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.720404][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.720404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.720404][   T10] 
[ 1833.722407][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.722407][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.722407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.722407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.722407][   T10]      ip6_route_add+0x1c/0x140
[ 1833.722407][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1833.722407][   T10]      addrconf_add_dev+0xe2/0x170
[ 1833.722407][   T10]      inet6_addr_add+0x12f/0xa40
[ 1833.722407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.722407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.722407][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.722407][   T10]      netlink_unicast+0x449/0x710
[ 1833.722407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.722407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.722407][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.722407][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.722407][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.722407][   T10] 
[ 1833.724501][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.724501][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1833.724501][   T10]      ipv6_find_idev+0x102/0x170
[ 1833.724501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1833.724501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.724501][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.724501][   T10]      netlink_unicast+0x449/0x710
[ 1833.724501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.724501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.724501][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.724501][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.724501][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.724501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.724501][   T10] 
[ 1833.726160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1833.726160][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1833.726160][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1833.726160][   T10]      ipv6_find_idev+0x102/0x170
[ 1833.726160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1833.726160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.726160][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.726160][   T10]      netlink_unicast+0x449/0x710
[ 1833.726160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.726160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.726160][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.726160][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.726160][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.726160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.726160][   T10] 
[ 1833.727909][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1833.728209][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1833.728209][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.728209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.728209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.728209][   T10]      ip6_route_add+0x1c/0x140
[ 1833.728209][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1833.728209][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1833.728209][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.728209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.728209][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.728209][   T10]      netlink_unicast+0x449/0x710
[ 1833.728209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.728209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.728209][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.728209][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.728209][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.728209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.728209][   T10] 
[ 1833.730273][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1833.730273][   T10]      netdev_get_by_index+0x5e/0x80
[ 1833.730273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1833.730273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1833.730273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1833.730273][   T10]      ipv6_add_addr+0x411/0x2000
[ 1833.730273][   T10]      inet6_addr_add+0x30e/0xa40
[ 1833.730273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1833.730273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.730273][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.730273][   T10]      netlink_unicast+0x449/0x710
[ 1833.730273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.730273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.730273][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.730273][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.730273][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.730273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.730273][   T10] 
[ 1833.732452][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1833.732452][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1833.732452][   T10]      ipv6_find_idev+0x102/0x170
[ 1833.732452][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1833.732452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.732452][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.732452][   T10]      netlink_unicast+0x449/0x710
[ 1833.732452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.732452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.732452][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.732452][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.732452][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.732452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.732452][   T10] 
[ 1833.734117][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1833.734117][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1833.734117][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1833.734117][   T10]      ipv6_find_idev+0x102/0x170
[ 1833.734117][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1833.734117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1833.734117][   T10]      netlink_rcv_skb+0x130/0x360
[ 1833.734117][   T10]      netlink_unicast+0x449/0x710
[ 1833.734117][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1833.734117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1833.734117][   T10]      ___sys_sendmsg+0xee/0x170
[ 1833.734117][   T10]      __sys_sendmsg+0xcd/0x170
[ 1833.734117][   T10]      do_syscall_64+0xc6/0x1e0
[ 1833.734117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1833.734117][   T10] 
[ 1843.976695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1843.977160][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.977160][   T10]      dst_init+0x84/0x4a0
[ 1843.977160][   T10]      dst_alloc+0x97/0x150
[ 1843.977160][   T10]      ip6_dst_alloc+0x23/0x90
[ 1843.977160][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1843.977160][   T10]      ip6_pol_route+0x56f/0x840
[ 1843.977160][   T10]      fib6_rule_lookup+0x456/0x630
[ 1843.977160][   T10]      ip6_route_input+0x59c/0xa50
[ 1843.977160][   T10]      ipv6_rcv+0x397/0x810
[ 1843.977160][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1843.977160][   T10]      process_backlog+0x101/0x620
[ 1843.977160][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1843.977160][   T10]      net_rx_action+0x495/0xbe0
[ 1843.977160][   T10]      __do_softirq+0x1b5/0x7f6
[ 1843.977160][   T10] 
[ 1843.978830][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.978830][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1843.978830][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1843.978830][   T10]      fib6_nh_init+0xa22/0x1580
[ 1843.978830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.978830][   T10]      ip6_route_add+0x1c/0x140
[ 1843.978830][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1843.978830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.978830][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.978830][   T10]      netlink_unicast+0x449/0x710
[ 1843.978830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.978830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.978830][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.978830][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.978830][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.978830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.978830][   T10] 
[ 1843.980732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.980732][   T10]      netdev_get_by_index+0x5e/0x80
[ 1843.980732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1843.980732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.980732][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1843.980732][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1843.980732][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1843.980732][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1843.980732][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1843.980732][   T10]      addrconf_dad_begin+0x310/0x670
[ 1843.980732][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1843.980732][   T10]      process_one_work+0x84d/0x18a0
[ 1843.980732][   T10]      worker_thread+0x587/0xd30
[ 1843.980732][   T10]      kthread+0x28a/0x350
[ 1843.980732][   T10]      ret_from_fork+0x31/0x70
[ 1843.980732][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1843.980732][   T10] 
[ 1843.982641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.982641][   T10]      netdev_get_by_index+0x5e/0x80
[ 1843.982641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1843.982641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.982641][   T10]      ip6_route_add+0x1c/0x140
[ 1843.982641][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1843.982641][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1843.982641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1843.982641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.982641][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.982641][   T10]      netlink_unicast+0x449/0x710
[ 1843.982641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.982641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.982641][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.982641][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.982641][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.982641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.982641][   T10] 
[ 1843.984650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.984650][   T10]      netdev_get_by_index+0x5e/0x80
[ 1843.984650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1843.984650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.984650][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1843.984650][   T10]      ipv6_add_addr+0x411/0x2000
[ 1843.984650][   T10]      inet6_addr_add+0x30e/0xa40
[ 1843.984650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1843.984650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.984650][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.984650][   T10]      netlink_unicast+0x449/0x710
[ 1843.984650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.984650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.984650][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.984650][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.984650][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.984650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.984650][   T10] 
[ 1843.986656][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.986656][   T10]      netdev_get_by_index+0x5e/0x80
[ 1843.986656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1843.986656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.986656][   T10]      ip6_route_add+0x1c/0x140
[ 1843.986656][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1843.986656][   T10]      addrconf_add_dev+0xe2/0x170
[ 1843.986656][   T10]      inet6_addr_add+0x12f/0xa40
[ 1843.986656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1843.986656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.986656][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.986656][   T10]      netlink_unicast+0x449/0x710
[ 1843.986656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.986656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.986656][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.986656][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.986656][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.986656][   T10] 
[ 1843.988645][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.988645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1843.988645][   T10]      ipv6_find_idev+0x102/0x170
[ 1843.988645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1843.988645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.988645][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.988645][   T10]      netlink_unicast+0x449/0x710
[ 1843.988645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.988645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.988645][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.988645][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.988645][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.988645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.988645][   T10] 
[ 1843.990191][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1843.990191][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1843.990191][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1843.990191][   T10]      ipv6_find_idev+0x102/0x170
[ 1843.990191][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1843.990191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.990191][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.990191][   T10]      netlink_unicast+0x449/0x710
[ 1843.990191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.990191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.990191][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.990191][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.990191][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.990191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.990191][   T10] 
[ 1843.991901][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1843.992149][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1843.992149][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1843.992149][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1843.992149][   T10]      fib6_nh_init+0xa22/0x1580
[ 1843.992149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.992149][   T10]      ip6_route_add+0x1c/0x140
[ 1843.992149][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1843.992149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.992149][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.992149][   T10]      netlink_unicast+0x449/0x710
[ 1843.992149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.992149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.992149][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.992149][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.992149][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.992149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.992149][   T10] 
[ 1843.994028][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1843.994028][   T10]      dst_init+0x84/0x4a0
[ 1843.994028][   T10]      dst_alloc+0x97/0x150
[ 1843.994028][   T10]      ip6_dst_alloc+0x23/0x90
[ 1843.994028][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1843.994028][   T10]      ip6_pol_route+0x56f/0x840
[ 1843.994028][   T10]      fib6_rule_lookup+0x456/0x630
[ 1843.994028][   T10]      ip6_route_input+0x59c/0xa50
[ 1843.994028][   T10]      ipv6_rcv+0x397/0x810
[ 1843.994028][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1843.994028][   T10]      process_backlog+0x101/0x620
[ 1843.994028][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1843.994028][   T10]      net_rx_action+0x495/0xbe0
[ 1843.994028][   T10]      __do_softirq+0x1b5/0x7f6
[ 1843.994028][   T10] 
[ 1843.995663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1843.995663][   T10]      netdev_get_by_index+0x5e/0x80
[ 1843.995663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1843.995663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.995663][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1843.995663][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1843.995663][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1843.995663][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1843.995663][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1843.995663][   T10]      addrconf_dad_begin+0x310/0x670
[ 1843.995663][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1843.995663][   T10]      process_one_work+0x84d/0x18a0
[ 1843.995663][   T10]      worker_thread+0x587/0xd30
[ 1843.995663][   T10]      kthread+0x28a/0x350
[ 1843.995663][   T10]      ret_from_fork+0x31/0x70
[ 1843.995663][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1843.995663][   T10] 
[ 1843.997572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1843.997572][   T10]      netdev_get_by_index+0x5e/0x80
[ 1843.997572][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1843.997572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.997572][   T10]      ip6_route_add+0x1c/0x140
[ 1843.997572][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1843.997572][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1843.997572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1843.997572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.997572][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.997572][   T10]      netlink_unicast+0x449/0x710
[ 1843.997572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.997572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.997572][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.997572][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.997572][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.997572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.997572][   T10] 
[ 1843.999571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1843.999571][   T10]      netdev_get_by_index+0x5e/0x80
[ 1843.999571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1843.999571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1843.999571][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1843.999571][   T10]      ipv6_add_addr+0x411/0x2000
[ 1843.999571][   T10]      inet6_addr_add+0x30e/0xa40
[ 1843.999571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1843.999571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1843.999571][   T10]      netlink_rcv_skb+0x130/0x360
[ 1843.999571][   T10]      netlink_unicast+0x449/0x710
[ 1843.999571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1843.999571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1843.999571][   T10]      ___sys_sendmsg+0xee/0x170
[ 1843.999571][   T10]      __sys_sendmsg+0xcd/0x170
[ 1843.999571][   T10]      do_syscall_64+0xc6/0x1e0
[ 1843.999571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1843.999571][   T10] 
[ 1844.001558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1844.001558][   T10]      netdev_get_by_index+0x5e/0x80
[ 1844.001558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1844.001558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1844.001558][   T10]      ip6_route_add+0x1c/0x140
[ 1844.001558][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1844.001558][   T10]      addrconf_add_dev+0xe2/0x170
[ 1844.001558][   T10]      inet6_addr_add+0x12f/0xa40
[ 1844.001558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1844.001558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1844.001558][   T10]      netlink_rcv_skb+0x130/0x360
[ 1844.001558][   T10]      netlink_unicast+0x449/0x710
[ 1844.001558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1844.001558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1844.001558][   T10]      ___sys_sendmsg+0xee/0x170
[ 1844.001558][   T10]      __sys_sendmsg+0xcd/0x170
[ 1844.001558][   T10]      do_syscall_64+0xc6/0x1e0
[ 1844.001558][   T10] 
[ 1844.003696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1844.003696][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1844.003696][   T10]      ipv6_find_idev+0x102/0x170
[ 1844.003696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1844.003696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1844.003696][   T10]      netlink_rcv_skb+0x130/0x360
[ 1844.003696][   T10]      netlink_unicast+0x449/0x710
[ 1844.003696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1844.003696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1844.003696][   T10]      ___sys_sendmsg+0xee/0x170
[ 1844.003696][   T10]      __sys_sendmsg+0xcd/0x170
[ 1844.003696][   T10]      do_syscall_64+0xc6/0x1e0
[ 1844.003696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.003696][   T10] 
[ 1844.005421][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1844.005421][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1844.005421][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1844.005421][   T10]      ipv6_find_idev+0x102/0x170
[ 1844.005421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1844.005421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1844.005421][   T10]      netlink_rcv_skb+0x130/0x360
[ 1844.005421][   T10]      netlink_unicast+0x449/0x710
[ 1844.005421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1844.005421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1844.005421][   T10]      ___sys_sendmsg+0xee/0x170
[ 1844.005421][   T10]      __sys_sendmsg+0xcd/0x170
[ 1844.005421][   T10]      do_syscall_64+0xc6/0x1e0
[ 1844.005421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.005421][   T10] 
[ 1844.007361][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1844.007672][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1844.007672][   T10]      netdev_get_by_index+0x5e/0x80
[ 1844.007672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1844.007672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1844.007672][   T10]      ip6_route_add+0x1c/0x140
[ 1844.007672][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1844.007672][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1844.007672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1844.007672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1844.007672][   T10]      netlink_rcv_skb+0x130/0x360
[ 1844.007672][   T10]      netlink_unicast+0x449/0x710
[ 1844.007672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1844.007672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1844.007672][   T10]      ___sys_sendmsg+0xee/0x170
[ 1844.007672][   T10]      __sys_sendmsg+0xcd/0x170
[ 1844.007672][   T10]      do_syscall_64+0xc6/0x1e0
[ 1844.007672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.007672][   T10] 
[ 1844.009846][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1844.009846][   T10]      netdev_get_by_index+0x5e/0x80
[ 1844.009846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1844.009846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1844.009846][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1844.009846][   T10]      ipv6_add_addr+0x411/0x2000
[ 1844.009846][   T10]      inet6_addr_add+0x30e/0xa40
[ 1844.009846][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1844.009846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1844.009846][   T10]      netlink_rcv_skb+0x130/0x360
[ 1844.009846][   T10]      netlink_unicast+0x449/0x710
[ 1844.009846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1844.009846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1844.009846][   T10]      ___sys_sendmsg+0xee/0x170
[ 1844.009846][   T10]      __sys_sendmsg+0xcd/0x170
[ 1844.009846][   T10]      do_syscall_64+0xc6/0x1e0
[ 1844.009846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.009846][   T10] 
[ 1844.012022][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1844.012022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1844.012022][   T10]      ipv6_find_idev+0x102/0x170
[ 1844.012022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1844.012022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1844.012022][   T10]      netlink_rcv_skb+0x130/0x360
[ 1844.012022][   T10]      netlink_unicast+0x449/0x710
[ 1844.012022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1844.012022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1844.012022][   T10]      ___sys_sendmsg+0xee/0x170
[ 1844.012022][   T10]      __sys_sendmsg+0xcd/0x170
[ 1844.012022][   T10]      do_syscall_64+0xc6/0x1e0
[ 1844.012022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.012022][   T10] 
[ 1844.013734][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1844.013734][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1844.013734][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1844.013734][   T10]      ipv6_find_idev+0x102/0x170
[ 1844.013734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1844.013734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1844.013734][   T10]      netlink_rcv_skb+0x130/0x360
[ 1844.013734][   T10]      netlink_unicast+0x449/0x710
[ 1844.013734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1844.013734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1844.013734][   T10]      ___sys_sendmsg+0xee/0x170
[ 1844.013734][   T10]      __sys_sendmsg+0xcd/0x170
[ 1844.013734][   T10]      do_syscall_64+0xc6/0x1e0
[ 1844.013734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.013734][   T10] 
[ 1844.520807][   T42] INFO: task modprobe:7622 blocked for more than 368 seconds.
[ 1844.521519][   T42]       Not tainted 6.8.0-virtme #1
[ 1844.521920][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.522256][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 1844.522507][   T42] Call Trace:
[ 1844.522617][   T42]  <TASK>
[ 1844.522702][   T42]  __schedule+0x705/0x1ac0
[ 1844.522836][   T42]  ? __pfx___schedule+0x10/0x10
[ 1844.522961][   T42]  ? schedule+0x1a5/0x210
[ 1844.523073][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.523203][   T42]  ? mark_lock+0x38/0x3e0
[ 1844.523301][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1844.523429][   T42]  ? schedule+0x1a5/0x210
[ 1844.523528][   T42]  schedule+0xdf/0x210
[ 1844.523644][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1844.523765][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1844.523896][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1844.524066][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 1844.524191][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1844.524321][   T42]  ? lock_acquire+0x1c1/0x220
[ 1844.524446][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1844.524592][   T42]  down_write+0x1c9/0x200
[ 1844.524698][   T42]  ? __pfx_down_write+0x10/0x10
[ 1844.524818][   T42]  ? __pfx__printk+0x10/0x10
[ 1844.524950][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1844.525094][   T42]  register_pernet_subsys+0x1a/0x50
[ 1844.525218][   T42]  tcf_register_action+0xa3/0x600
[ 1844.525347][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 1844.525506][   T42]  do_one_initcall+0xc8/0x3f0
[ 1844.525644][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1844.525774][   T42]  ? __create_object+0x5e/0xb0
[ 1844.525902][   T42]  ? kasan_unpoison+0x27/0x60
[ 1844.526034][   T42]  do_init_module+0x233/0x740
[ 1844.526171][   T42]  load_module+0x16b5/0x2350
[ 1844.526306][   T42]  ? __pfx_load_module+0x10/0x10
[ 1844.526430][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1844.526562][   T42]  ? kernel_read_file+0x300/0x520
[ 1844.526706][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1844.526851][   T42]  ? init_module_from_file+0xd2/0x130
[ 1844.526974][   T42]  init_module_from_file+0xd2/0x130
[ 1844.527099][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1844.527256][   T42]  ? __lock_release+0x103/0x460
[ 1844.527382][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1844.527516][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1844.527649][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1844.527778][   T42]  idempotent_init_module+0x342/0x620
[ 1844.527904][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1844.528076][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1844.528208][   T42]  do_syscall_64+0xc6/0x1e0
[ 1844.528338][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1844.528493][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 1844.528635][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1844.528827][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 1844.529015][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 1844.529199][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 1844.529381][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 1844.529565][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 1844.529773][   T42]  </TASK>
[ 1844.529868][   T42] 
[ 1844.529868][   T42] Showing all locks held in the system:
[ 1844.530047][   T42] 4 locks held by kworker/u16:0/10:
[ 1844.530169][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.530419][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.530648][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1844.530865][   T42]  #3: ffffffff98b6da00 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4e/0x6e0
[ 1844.531093][   T42] 2 locks held by kworker/u20:0/39:
[ 1844.531210][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1844.531459][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1844.531740][   T42] 1 lock held by khungtaskd/42:
[ 1844.531858][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1844.532088][   T42] 1 lock held by modprobe/7622:
[ 1844.532209][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1844.532452][   T42] 
[ 1844.532513][   T42] =============================================
[ 1844.532513][   T42] 
[ 1854.016770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1854.017346][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.017346][   T10]      dst_init+0x84/0x4a0
[ 1854.017346][   T10]      dst_alloc+0x97/0x150
[ 1854.017346][   T10]      ip6_dst_alloc+0x23/0x90
[ 1854.017346][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1854.017346][   T10]      ip6_pol_route+0x56f/0x840
[ 1854.017346][   T10]      fib6_rule_lookup+0x456/0x630
[ 1854.017346][   T10]      ip6_route_input+0x59c/0xa50
[ 1854.017346][   T10]      ipv6_rcv+0x397/0x810
[ 1854.017346][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1854.017346][   T10]      process_backlog+0x101/0x620
[ 1854.017346][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1854.017346][   T10]      net_rx_action+0x495/0xbe0
[ 1854.017346][   T10]      __do_softirq+0x1b5/0x7f6
[ 1854.017346][   T10] 
[ 1854.019036][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.019036][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1854.019036][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1854.019036][   T10]      fib6_nh_init+0xa22/0x1580
[ 1854.019036][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.019036][   T10]      ip6_route_add+0x1c/0x140
[ 1854.019036][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1854.019036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.019036][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.019036][   T10]      netlink_unicast+0x449/0x710
[ 1854.019036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.019036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.019036][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.019036][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.019036][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.019036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.019036][   T10] 
[ 1854.020973][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.020973][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.020973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.020973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.020973][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1854.020973][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1854.020973][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1854.020973][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1854.020973][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1854.020973][   T10]      addrconf_dad_begin+0x310/0x670
[ 1854.020973][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1854.020973][   T10]      process_one_work+0x84d/0x18a0
[ 1854.020973][   T10]      worker_thread+0x587/0xd30
[ 1854.020973][   T10]      kthread+0x28a/0x350
[ 1854.020973][   T10]      ret_from_fork+0x31/0x70
[ 1854.020973][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1854.020973][   T10] 
[ 1854.022905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.022905][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.022905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.022905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.022905][   T10]      ip6_route_add+0x1c/0x140
[ 1854.022905][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1854.022905][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1854.022905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.022905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.022905][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.022905][   T10]      netlink_unicast+0x449/0x710
[ 1854.022905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.022905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.022905][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.022905][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.022905][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.022905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.022905][   T10] 
[ 1854.024915][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.024915][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.024915][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.024915][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.024915][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1854.024915][   T10]      ipv6_add_addr+0x411/0x2000
[ 1854.024915][   T10]      inet6_addr_add+0x30e/0xa40
[ 1854.024915][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.024915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.024915][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.024915][   T10]      netlink_unicast+0x449/0x710
[ 1854.024915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.024915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.024915][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.024915][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.024915][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.024915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.024915][   T10] 
[ 1854.026919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.026919][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.026919][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.026919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.026919][   T10]      ip6_route_add+0x1c/0x140
[ 1854.026919][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1854.026919][   T10]      addrconf_add_dev+0xe2/0x170
[ 1854.026919][   T10]      inet6_addr_add+0x12f/0xa40
[ 1854.026919][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.026919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.026919][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.026919][   T10]      netlink_unicast+0x449/0x710
[ 1854.026919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.026919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.026919][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.026919][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.026919][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.026919][   T10] 
[ 1854.028883][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.028883][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1854.028883][   T10]      ipv6_find_idev+0x102/0x170
[ 1854.028883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1854.028883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.028883][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.028883][   T10]      netlink_unicast+0x449/0x710
[ 1854.028883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.028883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.028883][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.028883][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.028883][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.028883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.028883][   T10] 
[ 1854.030422][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1854.030422][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1854.030422][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1854.030422][   T10]      ipv6_find_idev+0x102/0x170
[ 1854.030422][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1854.030422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.030422][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.030422][   T10]      netlink_unicast+0x449/0x710
[ 1854.030422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.030422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.030422][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.030422][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.030422][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.030422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.030422][   T10] 
[ 1854.032279][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1854.032516][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.032516][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1854.032516][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1854.032516][   T10]      fib6_nh_init+0xa22/0x1580
[ 1854.032516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.032516][   T10]      ip6_route_add+0x1c/0x140
[ 1854.032516][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1854.032516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.032516][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.032516][   T10]      netlink_unicast+0x449/0x710
[ 1854.032516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.032516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.032516][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.032516][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.032516][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.032516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.032516][   T10] 
[ 1854.034412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.034412][   T10]      dst_init+0x84/0x4a0
[ 1854.034412][   T10]      dst_alloc+0x97/0x150
[ 1854.034412][   T10]      ip6_dst_alloc+0x23/0x90
[ 1854.034412][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1854.034412][   T10]      ip6_pol_route+0x56f/0x840
[ 1854.034412][   T10]      fib6_rule_lookup+0x456/0x630
[ 1854.034412][   T10]      ip6_route_input+0x59c/0xa50
[ 1854.034412][   T10]      ipv6_rcv+0x397/0x810
[ 1854.034412][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1854.034412][   T10]      process_backlog+0x101/0x620
[ 1854.034412][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1854.034412][   T10]      net_rx_action+0x495/0xbe0
[ 1854.034412][   T10]      __do_softirq+0x1b5/0x7f6
[ 1854.034412][   T10] 
[ 1854.036056][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.036056][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.036056][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.036056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.036056][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1854.036056][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1854.036056][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1854.036056][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1854.036056][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1854.036056][   T10]      addrconf_dad_begin+0x310/0x670
[ 1854.036056][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1854.036056][   T10]      process_one_work+0x84d/0x18a0
[ 1854.036056][   T10]      worker_thread+0x587/0xd30
[ 1854.036056][   T10]      kthread+0x28a/0x350
[ 1854.036056][   T10]      ret_from_fork+0x31/0x70
[ 1854.036056][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1854.036056][   T10] 
[ 1854.037965][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.037965][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.037965][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.037965][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.037965][   T10]      ip6_route_add+0x1c/0x140
[ 1854.037965][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1854.037965][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1854.037965][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.037965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.037965][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.037965][   T10]      netlink_unicast+0x449/0x710
[ 1854.037965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.037965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.037965][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.037965][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.037965][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.037965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.037965][   T10] 
[ 1854.039978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.039978][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.039978][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.039978][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.039978][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1854.039978][   T10]      ipv6_add_addr+0x411/0x2000
[ 1854.039978][   T10]      inet6_addr_add+0x30e/0xa40
[ 1854.039978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.039978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.039978][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.039978][   T10]      netlink_unicast+0x449/0x710
[ 1854.039978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.039978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.039978][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.039978][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.039978][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.039978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.039978][   T10] 
[ 1854.041968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.041968][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.041968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.041968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.041968][   T10]      ip6_route_add+0x1c/0x140
[ 1854.041968][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1854.041968][   T10]      addrconf_add_dev+0xe2/0x170
[ 1854.041968][   T10]      inet6_addr_add+0x12f/0xa40
[ 1854.041968][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.041968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.041968][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.041968][   T10]      netlink_unicast+0x449/0x710
[ 1854.041968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.041968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.041968][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.041968][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.041968][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.041968][   T10] 
[ 1854.044058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.044058][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1854.044058][   T10]      ipv6_find_idev+0x102/0x170
[ 1854.044058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1854.044058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.044058][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.044058][   T10]      netlink_unicast+0x449/0x710
[ 1854.044058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.044058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.044058][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.044058][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.044058][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.044058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.044058][   T10] 
[ 1854.045726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1854.045726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1854.045726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1854.045726][   T10]      ipv6_find_idev+0x102/0x170
[ 1854.045726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1854.045726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.045726][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.045726][   T10]      netlink_unicast+0x449/0x710
[ 1854.045726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.045726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.045726][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.045726][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.045726][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.045726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.045726][   T10] 
[ 1854.047463][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1854.047770][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1854.047770][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.047770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.047770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.047770][   T10]      ip6_route_add+0x1c/0x140
[ 1854.047770][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1854.047770][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1854.047770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.047770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.047770][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.047770][   T10]      netlink_unicast+0x449/0x710
[ 1854.047770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.047770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.047770][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.047770][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.047770][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.047770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.047770][   T10] 
[ 1854.049838][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1854.049838][   T10]      netdev_get_by_index+0x5e/0x80
[ 1854.049838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1854.049838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1854.049838][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1854.049838][   T10]      ipv6_add_addr+0x411/0x2000
[ 1854.049838][   T10]      inet6_addr_add+0x30e/0xa40
[ 1854.049838][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1854.049838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.049838][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.049838][   T10]      netlink_unicast+0x449/0x710
[ 1854.049838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.049838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.049838][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.049838][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.049838][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.049838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.049838][   T10] 
[ 1854.051953][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1854.051953][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1854.051953][   T10]      ipv6_find_idev+0x102/0x170
[ 1854.051953][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1854.051953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.051953][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.051953][   T10]      netlink_unicast+0x449/0x710
[ 1854.051953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.051953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.051953][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.051953][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.051953][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.051953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.051953][   T10] 
[ 1854.053674][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1854.053674][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1854.053674][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1854.053674][   T10]      ipv6_find_idev+0x102/0x170
[ 1854.053674][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1854.053674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1854.053674][   T10]      netlink_rcv_skb+0x130/0x360
[ 1854.053674][   T10]      netlink_unicast+0x449/0x710
[ 1854.053674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1854.053674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1854.053674][   T10]      ___sys_sendmsg+0xee/0x170
[ 1854.053674][   T10]      __sys_sendmsg+0xcd/0x170
[ 1854.053674][   T10]      do_syscall_64+0xc6/0x1e0
[ 1854.053674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1854.053674][   T10] 
[ 1864.120782][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1864.121749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.121749][   T10]      dst_init+0x84/0x4a0
[ 1864.121749][   T10]      dst_alloc+0x97/0x150
[ 1864.121749][   T10]      ip6_dst_alloc+0x23/0x90
[ 1864.121749][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1864.121749][   T10]      ip6_pol_route+0x56f/0x840
[ 1864.121749][   T10]      fib6_rule_lookup+0x456/0x630
[ 1864.121749][   T10]      ip6_route_input+0x59c/0xa50
[ 1864.121749][   T10]      ipv6_rcv+0x397/0x810
[ 1864.121749][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1864.121749][   T10]      process_backlog+0x101/0x620
[ 1864.121749][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1864.121749][   T10]      net_rx_action+0x495/0xbe0
[ 1864.121749][   T10]      __do_softirq+0x1b5/0x7f6
[ 1864.121749][   T10] 
[ 1864.123534][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.123534][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1864.123534][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1864.123534][   T10]      fib6_nh_init+0xa22/0x1580
[ 1864.123534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.123534][   T10]      ip6_route_add+0x1c/0x140
[ 1864.123534][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1864.123534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.123534][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.123534][   T10]      netlink_unicast+0x449/0x710
[ 1864.123534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.123534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.123534][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.123534][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.123534][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.123534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.123534][   T10] 
[ 1864.125448][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.125448][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.125448][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.125448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.125448][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1864.125448][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1864.125448][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1864.125448][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1864.125448][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1864.125448][   T10]      addrconf_dad_begin+0x310/0x670
[ 1864.125448][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1864.125448][   T10]      process_one_work+0x84d/0x18a0
[ 1864.125448][   T10]      worker_thread+0x587/0xd30
[ 1864.125448][   T10]      kthread+0x28a/0x350
[ 1864.125448][   T10]      ret_from_fork+0x31/0x70
[ 1864.125448][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1864.125448][   T10] 
[ 1864.127412][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.127412][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.127412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.127412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.127412][   T10]      ip6_route_add+0x1c/0x140
[ 1864.127412][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1864.127412][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1864.127412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.127412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.127412][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.127412][   T10]      netlink_unicast+0x449/0x710
[ 1864.127412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.127412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.127412][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.127412][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.127412][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.127412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.127412][   T10] 
[ 1864.129442][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.129442][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.129442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.129442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.129442][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1864.129442][   T10]      ipv6_add_addr+0x411/0x2000
[ 1864.129442][   T10]      inet6_addr_add+0x30e/0xa40
[ 1864.129442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.129442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.129442][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.129442][   T10]      netlink_unicast+0x449/0x710
[ 1864.129442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.129442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.129442][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.129442][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.129442][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.129442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.129442][   T10] 
[ 1864.131474][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.131474][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.131474][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.131474][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.131474][   T10]      ip6_route_add+0x1c/0x140
[ 1864.131474][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1864.131474][   T10]      addrconf_add_dev+0xe2/0x170
[ 1864.131474][   T10]      inet6_addr_add+0x12f/0xa40
[ 1864.131474][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.131474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.131474][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.131474][   T10]      netlink_unicast+0x449/0x710
[ 1864.131474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.131474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.131474][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.131474][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.131474][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.131474][   T10] 
[ 1864.133471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.133471][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1864.133471][   T10]      ipv6_find_idev+0x102/0x170
[ 1864.133471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1864.133471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.133471][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.133471][   T10]      netlink_unicast+0x449/0x710
[ 1864.133471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.133471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.133471][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.133471][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.133471][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.133471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.133471][   T10] 
[ 1864.135029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1864.135029][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1864.135029][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1864.135029][   T10]      ipv6_find_idev+0x102/0x170
[ 1864.135029][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1864.135029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.135029][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.135029][   T10]      netlink_unicast+0x449/0x710
[ 1864.135029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.135029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.135029][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.135029][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.135029][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.135029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.135029][   T10] 
[ 1864.136761][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1864.137003][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.137003][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1864.137003][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1864.137003][   T10]      fib6_nh_init+0xa22/0x1580
[ 1864.137003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.137003][   T10]      ip6_route_add+0x1c/0x140
[ 1864.137003][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1864.137003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.137003][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.137003][   T10]      netlink_unicast+0x449/0x710
[ 1864.137003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.137003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.137003][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.137003][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.137003][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.137003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.137003][   T10] 
[ 1864.138910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.138910][   T10]      dst_init+0x84/0x4a0
[ 1864.138910][   T10]      dst_alloc+0x97/0x150
[ 1864.138910][   T10]      ip6_dst_alloc+0x23/0x90
[ 1864.138910][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1864.138910][   T10]      ip6_pol_route+0x56f/0x840
[ 1864.138910][   T10]      fib6_rule_lookup+0x456/0x630
[ 1864.138910][   T10]      ip6_route_input+0x59c/0xa50
[ 1864.138910][   T10]      ipv6_rcv+0x397/0x810
[ 1864.138910][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1864.138910][   T10]      process_backlog+0x101/0x620
[ 1864.138910][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1864.138910][   T10]      net_rx_action+0x495/0xbe0
[ 1864.138910][   T10]      __do_softirq+0x1b5/0x7f6
[ 1864.138910][   T10] 
[ 1864.140568][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.140568][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.140568][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.140568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.140568][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1864.140568][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1864.140568][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1864.140568][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1864.140568][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1864.140568][   T10]      addrconf_dad_begin+0x310/0x670
[ 1864.140568][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1864.140568][   T10]      process_one_work+0x84d/0x18a0
[ 1864.140568][   T10]      worker_thread+0x587/0xd30
[ 1864.140568][   T10]      kthread+0x28a/0x350
[ 1864.140568][   T10]      ret_from_fork+0x31/0x70
[ 1864.140568][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1864.140568][   T10] 
[ 1864.142498][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.142498][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.142498][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.142498][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.142498][   T10]      ip6_route_add+0x1c/0x140
[ 1864.142498][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1864.142498][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1864.142498][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.142498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.142498][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.142498][   T10]      netlink_unicast+0x449/0x710
[ 1864.142498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.142498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.142498][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.142498][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.142498][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.142498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.142498][   T10] 
[ 1864.144518][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.144518][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.144518][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.144518][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.144518][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1864.144518][   T10]      ipv6_add_addr+0x411/0x2000
[ 1864.144518][   T10]      inet6_addr_add+0x30e/0xa40
[ 1864.144518][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.144518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.144518][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.144518][   T10]      netlink_unicast+0x449/0x710
[ 1864.144518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.144518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.144518][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.144518][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.144518][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.144518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.144518][   T10] 
[ 1864.146544][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.146544][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.146544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.146544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.146544][   T10]      ip6_route_add+0x1c/0x140
[ 1864.146544][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1864.146544][   T10]      addrconf_add_dev+0xe2/0x170
[ 1864.146544][   T10]      inet6_addr_add+0x12f/0xa40
[ 1864.146544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.146544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.146544][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.146544][   T10]      netlink_unicast+0x449/0x710
[ 1864.146544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.146544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.146544][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.146544][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.146544][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.146544][   T10] 
[ 1864.148720][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.148720][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1864.148720][   T10]      ipv6_find_idev+0x102/0x170
[ 1864.148720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1864.148720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.148720][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.148720][   T10]      netlink_unicast+0x449/0x710
[ 1864.148720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.148720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.148720][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.148720][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.148720][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.148720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.148720][   T10] 
[ 1864.150453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1864.150453][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1864.150453][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1864.150453][   T10]      ipv6_find_idev+0x102/0x170
[ 1864.150453][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1864.150453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.150453][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.150453][   T10]      netlink_unicast+0x449/0x710
[ 1864.150453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.150453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.150453][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.150453][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.150453][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.150453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.150453][   T10] 
[ 1864.152391][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1864.152656][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1864.152656][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.152656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.152656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.152656][   T10]      ip6_route_add+0x1c/0x140
[ 1864.152656][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1864.152656][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1864.152656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.152656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.152656][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.152656][   T10]      netlink_unicast+0x449/0x710
[ 1864.152656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.152656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.152656][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.152656][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.152656][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.152656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.152656][   T10] 
[ 1864.154920][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1864.154920][   T10]      netdev_get_by_index+0x5e/0x80
[ 1864.154920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1864.154920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1864.154920][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1864.154920][   T10]      ipv6_add_addr+0x411/0x2000
[ 1864.154920][   T10]      inet6_addr_add+0x30e/0xa40
[ 1864.154920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1864.154920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.154920][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.154920][   T10]      netlink_unicast+0x449/0x710
[ 1864.154920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.154920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.154920][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.154920][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.154920][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.154920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.154920][   T10] 
[ 1864.157193][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1864.157193][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1864.157193][   T10]      ipv6_find_idev+0x102/0x170
[ 1864.157193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1864.157193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.157193][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.157193][   T10]      netlink_unicast+0x449/0x710
[ 1864.157193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.157193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.157193][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.157193][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.157193][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.157193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.157193][   T10] 
[ 1864.158934][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1864.158934][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1864.158934][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1864.158934][   T10]      ipv6_find_idev+0x102/0x170
[ 1864.158934][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1864.158934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1864.158934][   T10]      netlink_rcv_skb+0x130/0x360
[ 1864.158934][   T10]      netlink_unicast+0x449/0x710
[ 1864.158934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1864.158934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1864.158934][   T10]      ___sys_sendmsg+0xee/0x170
[ 1864.158934][   T10]      __sys_sendmsg+0xcd/0x170
[ 1864.158934][   T10]      do_syscall_64+0xc6/0x1e0
[ 1864.158934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1864.158934][   T10] 
[ 1874.360780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1874.361266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.361266][   T10]      dst_init+0x84/0x4a0
[ 1874.361266][   T10]      dst_alloc+0x97/0x150
[ 1874.361266][   T10]      ip6_dst_alloc+0x23/0x90
[ 1874.361266][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1874.361266][   T10]      ip6_pol_route+0x56f/0x840
[ 1874.361266][   T10]      fib6_rule_lookup+0x456/0x630
[ 1874.361266][   T10]      ip6_route_input+0x59c/0xa50
[ 1874.361266][   T10]      ipv6_rcv+0x397/0x810
[ 1874.361266][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1874.361266][   T10]      process_backlog+0x101/0x620
[ 1874.361266][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1874.361266][   T10]      net_rx_action+0x495/0xbe0
[ 1874.361266][   T10]      __do_softirq+0x1b5/0x7f6
[ 1874.361266][   T10] 
[ 1874.363016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.363016][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1874.363016][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1874.363016][   T10]      fib6_nh_init+0xa22/0x1580
[ 1874.363016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.363016][   T10]      ip6_route_add+0x1c/0x140
[ 1874.363016][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1874.363016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.363016][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.363016][   T10]      netlink_unicast+0x449/0x710
[ 1874.363016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.363016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.363016][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.363016][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.363016][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.363016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.363016][   T10] 
[ 1874.364967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.364967][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.364967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.364967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.364967][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1874.364967][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1874.364967][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1874.364967][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1874.364967][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1874.364967][   T10]      addrconf_dad_begin+0x310/0x670
[ 1874.364967][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1874.364967][   T10]      process_one_work+0x84d/0x18a0
[ 1874.364967][   T10]      worker_thread+0x587/0xd30
[ 1874.364967][   T10]      kthread+0x28a/0x350
[ 1874.364967][   T10]      ret_from_fork+0x31/0x70
[ 1874.364967][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1874.364967][   T10] 
[ 1874.366947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.366947][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.366947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.366947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.366947][   T10]      ip6_route_add+0x1c/0x140
[ 1874.366947][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1874.366947][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1874.366947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.366947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.366947][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.366947][   T10]      netlink_unicast+0x449/0x710
[ 1874.366947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.366947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.366947][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.366947][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.366947][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.366947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.366947][   T10] 
[ 1874.368991][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.368991][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.368991][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.368991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.368991][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1874.368991][   T10]      ipv6_add_addr+0x411/0x2000
[ 1874.368991][   T10]      inet6_addr_add+0x30e/0xa40
[ 1874.368991][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.368991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.368991][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.368991][   T10]      netlink_unicast+0x449/0x710
[ 1874.368991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.368991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.368991][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.368991][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.368991][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.368991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.368991][   T10] 
[ 1874.371016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.371016][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.371016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.371016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.371016][   T10]      ip6_route_add+0x1c/0x140
[ 1874.371016][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1874.371016][   T10]      addrconf_add_dev+0xe2/0x170
[ 1874.371016][   T10]      inet6_addr_add+0x12f/0xa40
[ 1874.371016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.371016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.371016][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.371016][   T10]      netlink_unicast+0x449/0x710
[ 1874.371016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.371016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.371016][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.371016][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.371016][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.371016][   T10] 
[ 1874.373011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.373011][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1874.373011][   T10]      ipv6_find_idev+0x102/0x170
[ 1874.373011][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1874.373011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.373011][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.373011][   T10]      netlink_unicast+0x449/0x710
[ 1874.373011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.373011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.373011][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.373011][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.373011][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.373011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.373011][   T10] 
[ 1874.374579][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1874.374579][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1874.374579][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1874.374579][   T10]      ipv6_find_idev+0x102/0x170
[ 1874.374579][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1874.374579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.374579][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.374579][   T10]      netlink_unicast+0x449/0x710
[ 1874.374579][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.374579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.374579][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.374579][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.374579][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.374579][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.374579][   T10] 
[ 1874.376316][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1874.376567][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.376567][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1874.376567][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1874.376567][   T10]      fib6_nh_init+0xa22/0x1580
[ 1874.376567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.376567][   T10]      ip6_route_add+0x1c/0x140
[ 1874.376567][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1874.376567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.376567][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.376567][   T10]      netlink_unicast+0x449/0x710
[ 1874.376567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.376567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.376567][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.376567][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.376567][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.376567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.376567][   T10] 
[ 1874.378477][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.378477][   T10]      dst_init+0x84/0x4a0
[ 1874.378477][   T10]      dst_alloc+0x97/0x150
[ 1874.378477][   T10]      ip6_dst_alloc+0x23/0x90
[ 1874.378477][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1874.378477][   T10]      ip6_pol_route+0x56f/0x840
[ 1874.378477][   T10]      fib6_rule_lookup+0x456/0x630
[ 1874.378477][   T10]      ip6_route_input+0x59c/0xa50
[ 1874.378477][   T10]      ipv6_rcv+0x397/0x810
[ 1874.378477][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1874.378477][   T10]      process_backlog+0x101/0x620
[ 1874.378477][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1874.378477][   T10]      net_rx_action+0x495/0xbe0
[ 1874.378477][   T10]      __do_softirq+0x1b5/0x7f6
[ 1874.378477][   T10] 
[ 1874.380138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.380138][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.380138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.380138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.380138][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1874.380138][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1874.380138][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1874.380138][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1874.380138][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1874.380138][   T10]      addrconf_dad_begin+0x310/0x670
[ 1874.380138][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1874.380138][   T10]      process_one_work+0x84d/0x18a0
[ 1874.380138][   T10]      worker_thread+0x587/0xd30
[ 1874.380138][   T10]      kthread+0x28a/0x350
[ 1874.380138][   T10]      ret_from_fork+0x31/0x70
[ 1874.380138][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1874.380138][   T10] 
[ 1874.382079][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.382079][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.382079][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.382079][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.382079][   T10]      ip6_route_add+0x1c/0x140
[ 1874.382079][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1874.382079][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1874.382079][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.382079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.382079][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.382079][   T10]      netlink_unicast+0x449/0x710
[ 1874.382079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.382079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.382079][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.382079][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.382079][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.382079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.382079][   T10] 
[ 1874.384105][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.384105][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.384105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.384105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.384105][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1874.384105][   T10]      ipv6_add_addr+0x411/0x2000
[ 1874.384105][   T10]      inet6_addr_add+0x30e/0xa40
[ 1874.384105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.384105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.384105][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.384105][   T10]      netlink_unicast+0x449/0x710
[ 1874.384105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.384105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.384105][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.384105][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.384105][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.384105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.384105][   T10] 
[ 1874.386715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.386715][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.386715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.386715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.386715][   T10]      ip6_route_add+0x1c/0x140
[ 1874.386715][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1874.386715][   T10]      addrconf_add_dev+0xe2/0x170
[ 1874.386715][   T10]      inet6_addr_add+0x12f/0xa40
[ 1874.386715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.386715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.386715][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.386715][   T10]      netlink_unicast+0x449/0x710
[ 1874.386715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.386715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.386715][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.386715][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.386715][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.386715][   T10] 
[ 1874.388883][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.388883][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1874.388883][   T10]      ipv6_find_idev+0x102/0x170
[ 1874.388883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1874.388883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.388883][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.388883][   T10]      netlink_unicast+0x449/0x710
[ 1874.388883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.388883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.388883][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.388883][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.388883][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.388883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.388883][   T10] 
[ 1874.391057][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1874.391057][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1874.391057][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1874.391057][   T10]      ipv6_find_idev+0x102/0x170
[ 1874.391057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1874.391057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.391057][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.391057][   T10]      netlink_unicast+0x449/0x710
[ 1874.391057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.391057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.391057][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.391057][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.391057][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.391057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.391057][   T10] 
[ 1874.392962][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1874.393207][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1874.393207][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.393207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.393207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.393207][   T10]      ip6_route_add+0x1c/0x140
[ 1874.393207][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1874.393207][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1874.393207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.393207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.393207][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.393207][   T10]      netlink_unicast+0x449/0x710
[ 1874.393207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.393207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.393207][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.393207][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.393207][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.393207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.393207][   T10] 
[ 1874.395486][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1874.395486][   T10]      netdev_get_by_index+0x5e/0x80
[ 1874.395486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1874.395486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1874.395486][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1874.395486][   T10]      ipv6_add_addr+0x411/0x2000
[ 1874.395486][   T10]      inet6_addr_add+0x30e/0xa40
[ 1874.395486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1874.395486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.395486][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.395486][   T10]      netlink_unicast+0x449/0x710
[ 1874.395486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.395486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.395486][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.395486][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.395486][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.395486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.395486][   T10] 
[ 1874.397746][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1874.397746][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1874.397746][   T10]      ipv6_find_idev+0x102/0x170
[ 1874.397746][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1874.397746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.397746][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.397746][   T10]      netlink_unicast+0x449/0x710
[ 1874.397746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.397746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.397746][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.397746][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.397746][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.397746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.397746][   T10] 
[ 1874.399536][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1874.399536][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1874.399536][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1874.399536][   T10]      ipv6_find_idev+0x102/0x170
[ 1874.399536][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1874.399536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1874.399536][   T10]      netlink_rcv_skb+0x130/0x360
[ 1874.399536][   T10]      netlink_unicast+0x449/0x710
[ 1874.399536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1874.399536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1874.399536][   T10]      ___sys_sendmsg+0xee/0x170
[ 1874.399536][   T10]      __sys_sendmsg+0xcd/0x170
[ 1874.399536][   T10]      do_syscall_64+0xc6/0x1e0
[ 1874.399536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1874.399536][   T10] 
[ 1884.472710][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1884.473172][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.473172][   T10]      dst_init+0x84/0x4a0
[ 1884.473172][   T10]      dst_alloc+0x97/0x150
[ 1884.473172][   T10]      ip6_dst_alloc+0x23/0x90
[ 1884.473172][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1884.473172][   T10]      ip6_pol_route+0x56f/0x840
[ 1884.473172][   T10]      fib6_rule_lookup+0x456/0x630
[ 1884.473172][   T10]      ip6_route_input+0x59c/0xa50
[ 1884.473172][   T10]      ipv6_rcv+0x397/0x810
[ 1884.473172][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1884.473172][   T10]      process_backlog+0x101/0x620
[ 1884.473172][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1884.473172][   T10]      net_rx_action+0x495/0xbe0
[ 1884.473172][   T10]      __do_softirq+0x1b5/0x7f6
[ 1884.473172][   T10] 
[ 1884.474877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.474877][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1884.474877][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1884.474877][   T10]      fib6_nh_init+0xa22/0x1580
[ 1884.474877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.474877][   T10]      ip6_route_add+0x1c/0x140
[ 1884.474877][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1884.474877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.474877][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.474877][   T10]      netlink_unicast+0x449/0x710
[ 1884.474877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.474877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.474877][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.474877][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.474877][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.474877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.474877][   T10] 
[ 1884.476794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.476794][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.476794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.476794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.476794][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1884.476794][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1884.476794][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1884.476794][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1884.476794][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1884.476794][   T10]      addrconf_dad_begin+0x310/0x670
[ 1884.476794][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1884.476794][   T10]      process_one_work+0x84d/0x18a0
[ 1884.476794][   T10]      worker_thread+0x587/0xd30
[ 1884.476794][   T10]      kthread+0x28a/0x350
[ 1884.476794][   T10]      ret_from_fork+0x31/0x70
[ 1884.476794][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1884.476794][   T10] 
[ 1884.478740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.478740][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.478740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.478740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.478740][   T10]      ip6_route_add+0x1c/0x140
[ 1884.478740][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1884.478740][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1884.478740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.478740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.478740][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.478740][   T10]      netlink_unicast+0x449/0x710
[ 1884.478740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.478740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.478740][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.478740][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.478740][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.478740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.478740][   T10] 
[ 1884.480766][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.480766][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.480766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.480766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.480766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1884.480766][   T10]      ipv6_add_addr+0x411/0x2000
[ 1884.480766][   T10]      inet6_addr_add+0x30e/0xa40
[ 1884.480766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.480766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.480766][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.480766][   T10]      netlink_unicast+0x449/0x710
[ 1884.480766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.480766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.480766][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.480766][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.480766][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.480766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.480766][   T10] 
[ 1884.482789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.482789][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.482789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.482789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.482789][   T10]      ip6_route_add+0x1c/0x140
[ 1884.482789][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1884.482789][   T10]      addrconf_add_dev+0xe2/0x170
[ 1884.482789][   T10]      inet6_addr_add+0x12f/0xa40
[ 1884.482789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.482789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.482789][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.482789][   T10]      netlink_unicast+0x449/0x710
[ 1884.482789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.482789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.482789][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.482789][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.482789][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.482789][   T10] 
[ 1884.484774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.484774][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1884.484774][   T10]      ipv6_find_idev+0x102/0x170
[ 1884.484774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1884.484774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.484774][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.484774][   T10]      netlink_unicast+0x449/0x710
[ 1884.484774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.484774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.484774][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.484774][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.484774][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.484774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.484774][   T10] 
[ 1884.486340][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1884.486340][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1884.486340][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1884.486340][   T10]      ipv6_find_idev+0x102/0x170
[ 1884.486340][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1884.486340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.486340][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.486340][   T10]      netlink_unicast+0x449/0x710
[ 1884.486340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.486340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.486340][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.486340][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.486340][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.486340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.486340][   T10] 
[ 1884.488458][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1884.488719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.488719][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1884.488719][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1884.488719][   T10]      fib6_nh_init+0xa22/0x1580
[ 1884.488719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.488719][   T10]      ip6_route_add+0x1c/0x140
[ 1884.488719][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1884.488719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.488719][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.488719][   T10]      netlink_unicast+0x449/0x710
[ 1884.488719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.488719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.488719][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.488719][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.488719][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.488719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.488719][   T10] 
[ 1884.490616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.490616][   T10]      dst_init+0x84/0x4a0
[ 1884.490616][   T10]      dst_alloc+0x97/0x150
[ 1884.490616][   T10]      ip6_dst_alloc+0x23/0x90
[ 1884.490616][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1884.490616][   T10]      ip6_pol_route+0x56f/0x840
[ 1884.490616][   T10]      fib6_rule_lookup+0x456/0x630
[ 1884.490616][   T10]      ip6_route_input+0x59c/0xa50
[ 1884.490616][   T10]      ipv6_rcv+0x397/0x810
[ 1884.490616][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1884.490616][   T10]      process_backlog+0x101/0x620
[ 1884.490616][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1884.490616][   T10]      net_rx_action+0x495/0xbe0
[ 1884.490616][   T10]      __do_softirq+0x1b5/0x7f6
[ 1884.490616][   T10] 
[ 1884.492269][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.492269][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.492269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.492269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.492269][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1884.492269][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1884.492269][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1884.492269][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1884.492269][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1884.492269][   T10]      addrconf_dad_begin+0x310/0x670
[ 1884.492269][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1884.492269][   T10]      process_one_work+0x84d/0x18a0
[ 1884.492269][   T10]      worker_thread+0x587/0xd30
[ 1884.492269][   T10]      kthread+0x28a/0x350
[ 1884.492269][   T10]      ret_from_fork+0x31/0x70
[ 1884.492269][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1884.492269][   T10] 
[ 1884.494202][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.494202][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.494202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.494202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.494202][   T10]      ip6_route_add+0x1c/0x140
[ 1884.494202][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1884.494202][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1884.494202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.494202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.494202][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.494202][   T10]      netlink_unicast+0x449/0x710
[ 1884.494202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.494202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.494202][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.494202][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.494202][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.494202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.494202][   T10] 
[ 1884.496223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.496223][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.496223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.496223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.496223][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1884.496223][   T10]      ipv6_add_addr+0x411/0x2000
[ 1884.496223][   T10]      inet6_addr_add+0x30e/0xa40
[ 1884.496223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.496223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.496223][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.496223][   T10]      netlink_unicast+0x449/0x710
[ 1884.496223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.496223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.496223][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.496223][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.496223][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.496223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.496223][   T10] 
[ 1884.498246][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.498246][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.498246][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.498246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.498246][   T10]      ip6_route_add+0x1c/0x140
[ 1884.498246][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1884.498246][   T10]      addrconf_add_dev+0xe2/0x170
[ 1884.498246][   T10]      inet6_addr_add+0x12f/0xa40
[ 1884.498246][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.498246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.498246][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.498246][   T10]      netlink_unicast+0x449/0x710
[ 1884.498246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.498246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.498246][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.498246][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.498246][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.498246][   T10] 
[ 1884.500410][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.500410][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1884.500410][   T10]      ipv6_find_idev+0x102/0x170
[ 1884.500410][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1884.500410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.500410][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.500410][   T10]      netlink_unicast+0x449/0x710
[ 1884.500410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.500410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.500410][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.500410][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.500410][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.500410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.500410][   T10] 
[ 1884.502160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1884.502160][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1884.502160][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1884.502160][   T10]      ipv6_find_idev+0x102/0x170
[ 1884.502160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1884.502160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.502160][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.502160][   T10]      netlink_unicast+0x449/0x710
[ 1884.502160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.502160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.502160][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.502160][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.502160][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.502160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.502160][   T10] 
[ 1884.504118][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1884.504362][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1884.504362][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.504362][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.504362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.504362][   T10]      ip6_route_add+0x1c/0x140
[ 1884.504362][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1884.504362][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1884.504362][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.504362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.504362][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.504362][   T10]      netlink_unicast+0x449/0x710
[ 1884.504362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.504362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.504362][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.504362][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.504362][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.504362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.504362][   T10] 
[ 1884.506629][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1884.506629][   T10]      netdev_get_by_index+0x5e/0x80
[ 1884.506629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1884.506629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1884.506629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1884.506629][   T10]      ipv6_add_addr+0x411/0x2000
[ 1884.506629][   T10]      inet6_addr_add+0x30e/0xa40
[ 1884.506629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1884.506629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.506629][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.506629][   T10]      netlink_unicast+0x449/0x710
[ 1884.506629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.506629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.506629][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.506629][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.506629][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.506629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.506629][   T10] 
[ 1884.508884][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1884.508884][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1884.508884][   T10]      ipv6_find_idev+0x102/0x170
[ 1884.508884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1884.508884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.508884][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.508884][   T10]      netlink_unicast+0x449/0x710
[ 1884.508884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.508884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.508884][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.508884][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.508884][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.508884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.508884][   T10] 
[ 1884.510620][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1884.510620][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1884.510620][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1884.510620][   T10]      ipv6_find_idev+0x102/0x170
[ 1884.510620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1884.510620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1884.510620][   T10]      netlink_rcv_skb+0x130/0x360
[ 1884.510620][   T10]      netlink_unicast+0x449/0x710
[ 1884.510620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1884.510620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1884.510620][   T10]      ___sys_sendmsg+0xee/0x170
[ 1884.510620][   T10]      __sys_sendmsg+0xcd/0x170
[ 1884.510620][   T10]      do_syscall_64+0xc6/0x1e0
[ 1884.510620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1884.510620][   T10] 
[ 1894.752823][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1894.753361][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.753361][   T10]      dst_init+0x84/0x4a0
[ 1894.753361][   T10]      dst_alloc+0x97/0x150
[ 1894.753361][   T10]      ip6_dst_alloc+0x23/0x90
[ 1894.753361][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1894.753361][   T10]      ip6_pol_route+0x56f/0x840
[ 1894.753361][   T10]      fib6_rule_lookup+0x456/0x630
[ 1894.753361][   T10]      ip6_route_input+0x59c/0xa50
[ 1894.753361][   T10]      ipv6_rcv+0x397/0x810
[ 1894.753361][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1894.753361][   T10]      process_backlog+0x101/0x620
[ 1894.753361][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1894.753361][   T10]      net_rx_action+0x495/0xbe0
[ 1894.753361][   T10]      __do_softirq+0x1b5/0x7f6
[ 1894.753361][   T10] 
[ 1894.755137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.755137][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1894.755137][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1894.755137][   T10]      fib6_nh_init+0xa22/0x1580
[ 1894.755137][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.755137][   T10]      ip6_route_add+0x1c/0x140
[ 1894.755137][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1894.755137][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.755137][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.755137][   T10]      netlink_unicast+0x449/0x710
[ 1894.755137][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.755137][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.755137][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.755137][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.755137][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.755137][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.755137][   T10] 
[ 1894.757047][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.757047][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.757047][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.757047][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.757047][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1894.757047][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1894.757047][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1894.757047][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1894.757047][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1894.757047][   T10]      addrconf_dad_begin+0x310/0x670
[ 1894.757047][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1894.757047][   T10]      process_one_work+0x84d/0x18a0
[ 1894.757047][   T10]      worker_thread+0x587/0xd30
[ 1894.757047][   T10]      kthread+0x28a/0x350
[ 1894.757047][   T10]      ret_from_fork+0x31/0x70
[ 1894.757047][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1894.757047][   T10] 
[ 1894.759005][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.759005][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.759005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.759005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.759005][   T10]      ip6_route_add+0x1c/0x140
[ 1894.759005][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1894.759005][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1894.759005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.759005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.759005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.759005][   T10]      netlink_unicast+0x449/0x710
[ 1894.759005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.759005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.759005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.759005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.759005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.759005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.759005][   T10] 
[ 1894.761028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.761028][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.761028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.761028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.761028][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1894.761028][   T10]      ipv6_add_addr+0x411/0x2000
[ 1894.761028][   T10]      inet6_addr_add+0x30e/0xa40
[ 1894.761028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.761028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.761028][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.761028][   T10]      netlink_unicast+0x449/0x710
[ 1894.761028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.761028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.761028][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.761028][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.761028][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.761028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.761028][   T10] 
[ 1894.763048][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.763048][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.763048][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.763048][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.763048][   T10]      ip6_route_add+0x1c/0x140
[ 1894.763048][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1894.763048][   T10]      addrconf_add_dev+0xe2/0x170
[ 1894.763048][   T10]      inet6_addr_add+0x12f/0xa40
[ 1894.763048][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.763048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.763048][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.763048][   T10]      netlink_unicast+0x449/0x710
[ 1894.763048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.763048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.763048][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.763048][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.763048][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.763048][   T10] 
[ 1894.765035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.765035][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1894.765035][   T10]      ipv6_find_idev+0x102/0x170
[ 1894.765035][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1894.765035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.765035][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.765035][   T10]      netlink_unicast+0x449/0x710
[ 1894.765035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.765035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.765035][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.765035][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.765035][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.765035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.765035][   T10] 
[ 1894.766601][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1894.766601][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1894.766601][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1894.766601][   T10]      ipv6_find_idev+0x102/0x170
[ 1894.766601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1894.766601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.766601][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.766601][   T10]      netlink_unicast+0x449/0x710
[ 1894.766601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.766601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.766601][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.766601][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.766601][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.766601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.766601][   T10] 
[ 1894.768340][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1894.768604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.768604][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1894.768604][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1894.768604][   T10]      fib6_nh_init+0xa22/0x1580
[ 1894.768604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.768604][   T10]      ip6_route_add+0x1c/0x140
[ 1894.768604][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1894.768604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.768604][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.768604][   T10]      netlink_unicast+0x449/0x710
[ 1894.768604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.768604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.768604][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.768604][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.768604][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.768604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.768604][   T10] 
[ 1894.770504][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.770504][   T10]      dst_init+0x84/0x4a0
[ 1894.770504][   T10]      dst_alloc+0x97/0x150
[ 1894.770504][   T10]      ip6_dst_alloc+0x23/0x90
[ 1894.770504][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1894.770504][   T10]      ip6_pol_route+0x56f/0x840
[ 1894.770504][   T10]      fib6_rule_lookup+0x456/0x630
[ 1894.770504][   T10]      ip6_route_input+0x59c/0xa50
[ 1894.770504][   T10]      ipv6_rcv+0x397/0x810
[ 1894.770504][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1894.770504][   T10]      process_backlog+0x101/0x620
[ 1894.770504][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1894.770504][   T10]      net_rx_action+0x495/0xbe0
[ 1894.770504][   T10]      __do_softirq+0x1b5/0x7f6
[ 1894.770504][   T10] 
[ 1894.772163][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.772163][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.772163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.772163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.772163][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1894.772163][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1894.772163][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1894.772163][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1894.772163][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1894.772163][   T10]      addrconf_dad_begin+0x310/0x670
[ 1894.772163][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1894.772163][   T10]      process_one_work+0x84d/0x18a0
[ 1894.772163][   T10]      worker_thread+0x587/0xd30
[ 1894.772163][   T10]      kthread+0x28a/0x350
[ 1894.772163][   T10]      ret_from_fork+0x31/0x70
[ 1894.772163][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1894.772163][   T10] 
[ 1894.774104][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.774104][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.774104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.774104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.774104][   T10]      ip6_route_add+0x1c/0x140
[ 1894.774104][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1894.774104][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1894.774104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.774104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.774104][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.774104][   T10]      netlink_unicast+0x449/0x710
[ 1894.774104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.774104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.774104][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.774104][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.774104][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.774104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.774104][   T10] 
[ 1894.776127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.776127][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.776127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.776127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.776127][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1894.776127][   T10]      ipv6_add_addr+0x411/0x2000
[ 1894.776127][   T10]      inet6_addr_add+0x30e/0xa40
[ 1894.776127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.776127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.776127][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.776127][   T10]      netlink_unicast+0x449/0x710
[ 1894.776127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.776127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.776127][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.776127][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.776127][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.776127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.776127][   T10] 
[ 1894.778167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.778167][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.778167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.778167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.778167][   T10]      ip6_route_add+0x1c/0x140
[ 1894.778167][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1894.778167][   T10]      addrconf_add_dev+0xe2/0x170
[ 1894.778167][   T10]      inet6_addr_add+0x12f/0xa40
[ 1894.778167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.778167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.778167][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.778167][   T10]      netlink_unicast+0x449/0x710
[ 1894.778167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.778167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.778167][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.778167][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.778167][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.778167][   T10] 
[ 1894.780336][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.780336][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1894.780336][   T10]      ipv6_find_idev+0x102/0x170
[ 1894.780336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1894.780336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.780336][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.780336][   T10]      netlink_unicast+0x449/0x710
[ 1894.780336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.780336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.780336][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.780336][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.780336][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.780336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.780336][   T10] 
[ 1894.782132][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1894.782132][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1894.782132][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1894.782132][   T10]      ipv6_find_idev+0x102/0x170
[ 1894.782132][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1894.782132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.782132][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.782132][   T10]      netlink_unicast+0x449/0x710
[ 1894.782132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.782132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.782132][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.782132][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.782132][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.782132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.782132][   T10] 
[ 1894.784025][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1894.784277][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1894.784277][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.784277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.784277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.784277][   T10]      ip6_route_add+0x1c/0x140
[ 1894.784277][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1894.784277][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1894.784277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.784277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.784277][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.784277][   T10]      netlink_unicast+0x449/0x710
[ 1894.784277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.784277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.784277][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.784277][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.784277][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.784277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.784277][   T10] 
[ 1894.786567][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1894.786567][   T10]      netdev_get_by_index+0x5e/0x80
[ 1894.786567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1894.786567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1894.786567][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1894.786567][   T10]      ipv6_add_addr+0x411/0x2000
[ 1894.786567][   T10]      inet6_addr_add+0x30e/0xa40
[ 1894.786567][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1894.786567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.786567][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.786567][   T10]      netlink_unicast+0x449/0x710
[ 1894.786567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.786567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.786567][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.786567][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.786567][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.786567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.786567][   T10] 
[ 1894.788830][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1894.788830][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1894.788830][   T10]      ipv6_find_idev+0x102/0x170
[ 1894.788830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1894.788830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.788830][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.788830][   T10]      netlink_unicast+0x449/0x710
[ 1894.788830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.788830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.788830][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.788830][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.788830][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.788830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.788830][   T10] 
[ 1894.790627][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1894.790627][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1894.790627][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1894.790627][   T10]      ipv6_find_idev+0x102/0x170
[ 1894.790627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1894.790627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1894.790627][   T10]      netlink_rcv_skb+0x130/0x360
[ 1894.790627][   T10]      netlink_unicast+0x449/0x710
[ 1894.790627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1894.790627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1894.790627][   T10]      ___sys_sendmsg+0xee/0x170
[ 1894.790627][   T10]      __sys_sendmsg+0xcd/0x170
[ 1894.790627][   T10]      do_syscall_64+0xc6/0x1e0
[ 1894.790627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1894.790627][   T10] 
[ 1905.032780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1905.033803][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.033803][   T10]      dst_init+0x84/0x4a0
[ 1905.033803][   T10]      dst_alloc+0x97/0x150
[ 1905.033803][   T10]      ip6_dst_alloc+0x23/0x90
[ 1905.033803][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1905.033803][   T10]      ip6_pol_route+0x56f/0x840
[ 1905.033803][   T10]      fib6_rule_lookup+0x456/0x630
[ 1905.033803][   T10]      ip6_route_input+0x59c/0xa50
[ 1905.033803][   T10]      ipv6_rcv+0x397/0x810
[ 1905.033803][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1905.033803][   T10]      process_backlog+0x101/0x620
[ 1905.033803][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1905.033803][   T10]      net_rx_action+0x495/0xbe0
[ 1905.033803][   T10]      __do_softirq+0x1b5/0x7f6
[ 1905.033803][   T10] 
[ 1905.035608][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.035608][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1905.035608][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1905.035608][   T10]      fib6_nh_init+0xa22/0x1580
[ 1905.035608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.035608][   T10]      ip6_route_add+0x1c/0x140
[ 1905.035608][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1905.035608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.035608][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.035608][   T10]      netlink_unicast+0x449/0x710
[ 1905.035608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.035608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.035608][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.035608][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.035608][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.035608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.035608][   T10] 
[ 1905.037644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.037644][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.037644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.037644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.037644][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1905.037644][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1905.037644][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1905.037644][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1905.037644][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1905.037644][   T10]      addrconf_dad_begin+0x310/0x670
[ 1905.037644][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1905.037644][   T10]      process_one_work+0x84d/0x18a0
[ 1905.037644][   T10]      worker_thread+0x587/0xd30
[ 1905.037644][   T10]      kthread+0x28a/0x350
[ 1905.037644][   T10]      ret_from_fork+0x31/0x70
[ 1905.037644][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1905.037644][   T10] 
[ 1905.039675][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.039675][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.039675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.039675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.039675][   T10]      ip6_route_add+0x1c/0x140
[ 1905.039675][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1905.039675][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1905.039675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.039675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.039675][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.039675][   T10]      netlink_unicast+0x449/0x710
[ 1905.039675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.039675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.039675][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.039675][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.039675][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.039675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.039675][   T10] 
[ 1905.041789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.041789][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.041789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.041789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.041789][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1905.041789][   T10]      ipv6_add_addr+0x411/0x2000
[ 1905.041789][   T10]      inet6_addr_add+0x30e/0xa40
[ 1905.041789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.041789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.041789][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.041789][   T10]      netlink_unicast+0x449/0x710
[ 1905.041789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.041789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.041789][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.041789][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.041789][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.041789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.041789][   T10] 
[ 1905.043912][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.043912][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.043912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.043912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.043912][   T10]      ip6_route_add+0x1c/0x140
[ 1905.043912][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1905.043912][   T10]      addrconf_add_dev+0xe2/0x170
[ 1905.043912][   T10]      inet6_addr_add+0x12f/0xa40
[ 1905.043912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.043912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.043912][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.043912][   T10]      netlink_unicast+0x449/0x710
[ 1905.043912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.043912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.043912][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.043912][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.043912][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.043912][   T10] 
[ 1905.046008][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.046008][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1905.046008][   T10]      ipv6_find_idev+0x102/0x170
[ 1905.046008][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1905.046008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.046008][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.046008][   T10]      netlink_unicast+0x449/0x710
[ 1905.046008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.046008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.046008][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.046008][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.046008][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.046008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.046008][   T10] 
[ 1905.047646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1905.047646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1905.047646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1905.047646][   T10]      ipv6_find_idev+0x102/0x170
[ 1905.047646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1905.047646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.047646][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.047646][   T10]      netlink_unicast+0x449/0x710
[ 1905.047646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.047646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.047646][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.047646][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.047646][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.047646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.047646][   T10] 
[ 1905.049451][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1905.049719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.049719][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1905.049719][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1905.049719][   T10]      fib6_nh_init+0xa22/0x1580
[ 1905.049719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.049719][   T10]      ip6_route_add+0x1c/0x140
[ 1905.049719][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1905.049719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.049719][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.049719][   T10]      netlink_unicast+0x449/0x710
[ 1905.049719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.049719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.049719][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.049719][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.049719][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.049719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.049719][   T10] 
[ 1905.051716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.051716][   T10]      dst_init+0x84/0x4a0
[ 1905.051716][   T10]      dst_alloc+0x97/0x150
[ 1905.051716][   T10]      ip6_dst_alloc+0x23/0x90
[ 1905.051716][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1905.051716][   T10]      ip6_pol_route+0x56f/0x840
[ 1905.051716][   T10]      fib6_rule_lookup+0x456/0x630
[ 1905.051716][   T10]      ip6_route_input+0x59c/0xa50
[ 1905.051716][   T10]      ipv6_rcv+0x397/0x810
[ 1905.051716][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1905.051716][   T10]      process_backlog+0x101/0x620
[ 1905.051716][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1905.051716][   T10]      net_rx_action+0x495/0xbe0
[ 1905.051716][   T10]      __do_softirq+0x1b5/0x7f6
[ 1905.051716][   T10] 
[ 1905.053444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.053444][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.053444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.053444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.053444][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1905.053444][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1905.053444][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1905.053444][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1905.053444][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1905.053444][   T10]      addrconf_dad_begin+0x310/0x670
[ 1905.053444][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1905.053444][   T10]      process_one_work+0x84d/0x18a0
[ 1905.053444][   T10]      worker_thread+0x587/0xd30
[ 1905.053444][   T10]      kthread+0x28a/0x350
[ 1905.053444][   T10]      ret_from_fork+0x31/0x70
[ 1905.053444][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1905.053444][   T10] 
[ 1905.055465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.055465][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.055465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.055465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.055465][   T10]      ip6_route_add+0x1c/0x140
[ 1905.055465][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1905.055465][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1905.055465][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.055465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.055465][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.055465][   T10]      netlink_unicast+0x449/0x710
[ 1905.055465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.055465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.055465][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.055465][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.055465][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.055465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.055465][   T10] 
[ 1905.057603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.057603][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.057603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.057603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.057603][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1905.057603][   T10]      ipv6_add_addr+0x411/0x2000
[ 1905.057603][   T10]      inet6_addr_add+0x30e/0xa40
[ 1905.057603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.057603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.057603][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.057603][   T10]      netlink_unicast+0x449/0x710
[ 1905.057603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.057603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.057603][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.057603][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.057603][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.057603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.057603][   T10] 
[ 1905.059729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.059729][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.059729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.059729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.059729][   T10]      ip6_route_add+0x1c/0x140
[ 1905.059729][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1905.059729][   T10]      addrconf_add_dev+0xe2/0x170
[ 1905.059729][   T10]      inet6_addr_add+0x12f/0xa40
[ 1905.059729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.059729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.059729][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.059729][   T10]      netlink_unicast+0x449/0x710
[ 1905.059729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.059729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.059729][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.059729][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.059729][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.059729][   T10] 
[ 1905.061988][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.061988][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1905.061988][   T10]      ipv6_find_idev+0x102/0x170
[ 1905.061988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1905.061988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.061988][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.061988][   T10]      netlink_unicast+0x449/0x710
[ 1905.061988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.061988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.061988][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.061988][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.061988][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.061988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.061988][   T10] 
[ 1905.063796][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1905.063796][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1905.063796][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1905.063796][   T10]      ipv6_find_idev+0x102/0x170
[ 1905.063796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1905.063796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.063796][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.063796][   T10]      netlink_unicast+0x449/0x710
[ 1905.063796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.063796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.063796][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.063796][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.063796][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.063796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.063796][   T10] 
[ 1905.065900][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1905.066163][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1905.066163][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.066163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.066163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.066163][   T10]      ip6_route_add+0x1c/0x140
[ 1905.066163][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1905.066163][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1905.066163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.066163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.066163][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.066163][   T10]      netlink_unicast+0x449/0x710
[ 1905.066163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.066163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.066163][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.066163][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.066163][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.066163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.066163][   T10] 
[ 1905.068526][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1905.068526][   T10]      netdev_get_by_index+0x5e/0x80
[ 1905.068526][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1905.068526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1905.068526][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1905.068526][   T10]      ipv6_add_addr+0x411/0x2000
[ 1905.068526][   T10]      inet6_addr_add+0x30e/0xa40
[ 1905.068526][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1905.068526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.068526][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.068526][   T10]      netlink_unicast+0x449/0x710
[ 1905.068526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.068526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.068526][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.068526][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.068526][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.068526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.068526][   T10] 
[ 1905.070871][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1905.070871][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1905.070871][   T10]      ipv6_find_idev+0x102/0x170
[ 1905.070871][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1905.070871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.070871][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.070871][   T10]      netlink_unicast+0x449/0x710
[ 1905.070871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.070871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.070871][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.070871][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.070871][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.070871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.070871][   T10] 
[ 1905.072703][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1905.072703][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1905.072703][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1905.072703][   T10]      ipv6_find_idev+0x102/0x170
[ 1905.072703][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1905.072703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1905.072703][   T10]      netlink_rcv_skb+0x130/0x360
[ 1905.072703][   T10]      netlink_unicast+0x449/0x710
[ 1905.072703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1905.072703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1905.072703][   T10]      ___sys_sendmsg+0xee/0x170
[ 1905.072703][   T10]      __sys_sendmsg+0xcd/0x170
[ 1905.072703][   T10]      do_syscall_64+0xc6/0x1e0
[ 1905.072703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1905.072703][   T10] 
[ 1915.248774][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1915.249322][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.249322][   T10]      dst_init+0x84/0x4a0
[ 1915.249322][   T10]      dst_alloc+0x97/0x150
[ 1915.249322][   T10]      ip6_dst_alloc+0x23/0x90
[ 1915.249322][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1915.249322][   T10]      ip6_pol_route+0x56f/0x840
[ 1915.249322][   T10]      fib6_rule_lookup+0x456/0x630
[ 1915.249322][   T10]      ip6_route_input+0x59c/0xa50
[ 1915.249322][   T10]      ipv6_rcv+0x397/0x810
[ 1915.249322][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1915.249322][   T10]      process_backlog+0x101/0x620
[ 1915.249322][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1915.249322][   T10]      net_rx_action+0x495/0xbe0
[ 1915.249322][   T10]      __do_softirq+0x1b5/0x7f6
[ 1915.249322][   T10] 
[ 1915.251176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.251176][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1915.251176][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1915.251176][   T10]      fib6_nh_init+0xa22/0x1580
[ 1915.251176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.251176][   T10]      ip6_route_add+0x1c/0x140
[ 1915.251176][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1915.251176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.251176][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.251176][   T10]      netlink_unicast+0x449/0x710
[ 1915.251176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.251176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.251176][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.251176][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.251176][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.251176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.251176][   T10] 
[ 1915.253089][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.253089][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.253089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.253089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.253089][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1915.253089][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1915.253089][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1915.253089][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1915.253089][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1915.253089][   T10]      addrconf_dad_begin+0x310/0x670
[ 1915.253089][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1915.253089][   T10]      process_one_work+0x84d/0x18a0
[ 1915.253089][   T10]      worker_thread+0x587/0xd30
[ 1915.253089][   T10]      kthread+0x28a/0x350
[ 1915.253089][   T10]      ret_from_fork+0x31/0x70
[ 1915.253089][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1915.253089][   T10] 
[ 1915.255027][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.255027][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.255027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.255027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.255027][   T10]      ip6_route_add+0x1c/0x140
[ 1915.255027][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1915.255027][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1915.255027][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.255027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.255027][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.255027][   T10]      netlink_unicast+0x449/0x710
[ 1915.255027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.255027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.255027][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.255027][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.255027][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.255027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.255027][   T10] 
[ 1915.257063][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.257063][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.257063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.257063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.257063][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1915.257063][   T10]      ipv6_add_addr+0x411/0x2000
[ 1915.257063][   T10]      inet6_addr_add+0x30e/0xa40
[ 1915.257063][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.257063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.257063][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.257063][   T10]      netlink_unicast+0x449/0x710
[ 1915.257063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.257063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.257063][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.257063][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.257063][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.257063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.257063][   T10] 
[ 1915.259082][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.259082][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.259082][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.259082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.259082][   T10]      ip6_route_add+0x1c/0x140
[ 1915.259082][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1915.259082][   T10]      addrconf_add_dev+0xe2/0x170
[ 1915.259082][   T10]      inet6_addr_add+0x12f/0xa40
[ 1915.259082][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.259082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.259082][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.259082][   T10]      netlink_unicast+0x449/0x710
[ 1915.259082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.259082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.259082][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.259082][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.259082][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.259082][   T10] 
[ 1915.261063][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.261063][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1915.261063][   T10]      ipv6_find_idev+0x102/0x170
[ 1915.261063][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1915.261063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.261063][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.261063][   T10]      netlink_unicast+0x449/0x710
[ 1915.261063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.261063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.261063][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.261063][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.261063][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.261063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.261063][   T10] 
[ 1915.262621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1915.262621][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1915.262621][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1915.262621][   T10]      ipv6_find_idev+0x102/0x170
[ 1915.262621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1915.262621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.262621][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.262621][   T10]      netlink_unicast+0x449/0x710
[ 1915.262621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.262621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.262621][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.262621][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.262621][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.262621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.262621][   T10] 
[ 1915.264348][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1915.264594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.264594][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1915.264594][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1915.264594][   T10]      fib6_nh_init+0xa22/0x1580
[ 1915.264594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.264594][   T10]      ip6_route_add+0x1c/0x140
[ 1915.264594][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1915.264594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.264594][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.264594][   T10]      netlink_unicast+0x449/0x710
[ 1915.264594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.264594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.264594][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.264594][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.264594][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.264594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.264594][   T10] 
[ 1915.266516][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.266516][   T10]      dst_init+0x84/0x4a0
[ 1915.266516][   T10]      dst_alloc+0x97/0x150
[ 1915.266516][   T10]      ip6_dst_alloc+0x23/0x90
[ 1915.266516][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1915.266516][   T10]      ip6_pol_route+0x56f/0x840
[ 1915.266516][   T10]      fib6_rule_lookup+0x456/0x630
[ 1915.266516][   T10]      ip6_route_input+0x59c/0xa50
[ 1915.266516][   T10]      ipv6_rcv+0x397/0x810
[ 1915.266516][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1915.266516][   T10]      process_backlog+0x101/0x620
[ 1915.266516][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1915.266516][   T10]      net_rx_action+0x495/0xbe0
[ 1915.266516][   T10]      __do_softirq+0x1b5/0x7f6
[ 1915.266516][   T10] 
[ 1915.268175][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.268175][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.268175][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.268175][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.268175][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1915.268175][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1915.268175][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1915.268175][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1915.268175][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1915.268175][   T10]      addrconf_dad_begin+0x310/0x670
[ 1915.268175][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1915.268175][   T10]      process_one_work+0x84d/0x18a0
[ 1915.268175][   T10]      worker_thread+0x587/0xd30
[ 1915.268175][   T10]      kthread+0x28a/0x350
[ 1915.268175][   T10]      ret_from_fork+0x31/0x70
[ 1915.268175][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1915.268175][   T10] 
[ 1915.270103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.270103][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.270103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.270103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.270103][   T10]      ip6_route_add+0x1c/0x140
[ 1915.270103][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1915.270103][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1915.270103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.270103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.270103][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.270103][   T10]      netlink_unicast+0x449/0x710
[ 1915.270103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.270103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.270103][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.270103][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.270103][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.270103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.270103][   T10] 
[ 1915.272138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.272138][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.272138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.272138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.272138][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1915.272138][   T10]      ipv6_add_addr+0x411/0x2000
[ 1915.272138][   T10]      inet6_addr_add+0x30e/0xa40
[ 1915.272138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.272138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.272138][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.272138][   T10]      netlink_unicast+0x449/0x710
[ 1915.272138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.272138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.272138][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.272138][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.272138][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.272138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.272138][   T10] 
[ 1915.274151][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.274151][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.274151][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.274151][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.274151][   T10]      ip6_route_add+0x1c/0x140
[ 1915.274151][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1915.274151][   T10]      addrconf_add_dev+0xe2/0x170
[ 1915.274151][   T10]      inet6_addr_add+0x12f/0xa40
[ 1915.274151][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.274151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.274151][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.274151][   T10]      netlink_unicast+0x449/0x710
[ 1915.274151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.274151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.274151][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.274151][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.274151][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.274151][   T10] 
[ 1915.276208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.276208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1915.276208][   T10]      ipv6_find_idev+0x102/0x170
[ 1915.276208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1915.276208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.276208][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.276208][   T10]      netlink_unicast+0x449/0x710
[ 1915.276208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.276208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.276208][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.276208][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.276208][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.276208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.276208][   T10] 
[ 1915.277833][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1915.277833][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1915.277833][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1915.277833][   T10]      ipv6_find_idev+0x102/0x170
[ 1915.277833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1915.277833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.277833][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.277833][   T10]      netlink_unicast+0x449/0x710
[ 1915.277833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.277833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.277833][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.277833][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.277833][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.277833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.277833][   T10] 
[ 1915.279613][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1915.279853][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1915.279853][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.279853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.279853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.279853][   T10]      ip6_route_add+0x1c/0x140
[ 1915.279853][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1915.279853][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1915.279853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.279853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.279853][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.279853][   T10]      netlink_unicast+0x449/0x710
[ 1915.279853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.279853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.279853][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.279853][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.279853][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.279853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.279853][   T10] 
[ 1915.282019][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1915.282019][   T10]      netdev_get_by_index+0x5e/0x80
[ 1915.282019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1915.282019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1915.282019][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1915.282019][   T10]      ipv6_add_addr+0x411/0x2000
[ 1915.282019][   T10]      inet6_addr_add+0x30e/0xa40
[ 1915.282019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1915.282019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.282019][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.282019][   T10]      netlink_unicast+0x449/0x710
[ 1915.282019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.282019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.282019][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.282019][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.282019][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.282019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.282019][   T10] 
[ 1915.284098][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1915.284098][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1915.284098][   T10]      ipv6_find_idev+0x102/0x170
[ 1915.284098][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1915.284098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.284098][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.284098][   T10]      netlink_unicast+0x449/0x710
[ 1915.284098][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.284098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.284098][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.284098][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.284098][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.284098][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.284098][   T10] 
[ 1915.285721][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1915.285721][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1915.285721][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1915.285721][   T10]      ipv6_find_idev+0x102/0x170
[ 1915.285721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1915.285721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1915.285721][   T10]      netlink_rcv_skb+0x130/0x360
[ 1915.285721][   T10]      netlink_unicast+0x449/0x710
[ 1915.285721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1915.285721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1915.285721][   T10]      ___sys_sendmsg+0xee/0x170
[ 1915.285721][   T10]      __sys_sendmsg+0xcd/0x170
[ 1915.285721][   T10]      do_syscall_64+0xc6/0x1e0
[ 1915.285721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1915.285721][   T10] 
[ 1925.528762][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1925.529315][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.529315][   T10]      dst_init+0x84/0x4a0
[ 1925.529315][   T10]      dst_alloc+0x97/0x150
[ 1925.529315][   T10]      ip6_dst_alloc+0x23/0x90
[ 1925.529315][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1925.529315][   T10]      ip6_pol_route+0x56f/0x840
[ 1925.529315][   T10]      fib6_rule_lookup+0x456/0x630
[ 1925.529315][   T10]      ip6_route_input+0x59c/0xa50
[ 1925.529315][   T10]      ipv6_rcv+0x397/0x810
[ 1925.529315][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1925.529315][   T10]      process_backlog+0x101/0x620
[ 1925.529315][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1925.529315][   T10]      net_rx_action+0x495/0xbe0
[ 1925.529315][   T10]      __do_softirq+0x1b5/0x7f6
[ 1925.529315][   T10] 
[ 1925.531031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.531031][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1925.531031][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1925.531031][   T10]      fib6_nh_init+0xa22/0x1580
[ 1925.531031][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.531031][   T10]      ip6_route_add+0x1c/0x140
[ 1925.531031][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1925.531031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.531031][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.531031][   T10]      netlink_unicast+0x449/0x710
[ 1925.531031][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.531031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.531031][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.531031][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.531031][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.531031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.531031][   T10] 
[ 1925.533005][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.533005][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.533005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.533005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.533005][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1925.533005][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1925.533005][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1925.533005][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1925.533005][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1925.533005][   T10]      addrconf_dad_begin+0x310/0x670
[ 1925.533005][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1925.533005][   T10]      process_one_work+0x84d/0x18a0
[ 1925.533005][   T10]      worker_thread+0x587/0xd30
[ 1925.533005][   T10]      kthread+0x28a/0x350
[ 1925.533005][   T10]      ret_from_fork+0x31/0x70
[ 1925.533005][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1925.533005][   T10] 
[ 1925.534945][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.534945][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.534945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.534945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.534945][   T10]      ip6_route_add+0x1c/0x140
[ 1925.534945][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1925.534945][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1925.534945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.534945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.534945][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.534945][   T10]      netlink_unicast+0x449/0x710
[ 1925.534945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.534945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.534945][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.534945][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.534945][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.534945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.534945][   T10] 
[ 1925.537540][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.537540][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.537540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.537540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.537540][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1925.537540][   T10]      ipv6_add_addr+0x411/0x2000
[ 1925.537540][   T10]      inet6_addr_add+0x30e/0xa40
[ 1925.537540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.537540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.537540][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.537540][   T10]      netlink_unicast+0x449/0x710
[ 1925.537540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.537540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.537540][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.537540][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.537540][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.537540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.537540][   T10] 
[ 1925.539947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.539947][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.539947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.539947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.539947][   T10]      ip6_route_add+0x1c/0x140
[ 1925.539947][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1925.539947][   T10]      addrconf_add_dev+0xe2/0x170
[ 1925.539947][   T10]      inet6_addr_add+0x12f/0xa40
[ 1925.539947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.539947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.539947][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.539947][   T10]      netlink_unicast+0x449/0x710
[ 1925.539947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.539947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.539947][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.539947][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.539947][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.539947][   T10] 
[ 1925.541933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.541933][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1925.541933][   T10]      ipv6_find_idev+0x102/0x170
[ 1925.541933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1925.541933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.541933][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.541933][   T10]      netlink_unicast+0x449/0x710
[ 1925.541933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.541933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.541933][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.541933][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.541933][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.541933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.541933][   T10] 
[ 1925.543487][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1925.543487][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1925.543487][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1925.543487][   T10]      ipv6_find_idev+0x102/0x170
[ 1925.543487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1925.543487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.543487][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.543487][   T10]      netlink_unicast+0x449/0x710
[ 1925.543487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.543487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.543487][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.543487][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.543487][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.543487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.543487][   T10] 
[ 1925.545207][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1925.545449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.545449][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1925.545449][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1925.545449][   T10]      fib6_nh_init+0xa22/0x1580
[ 1925.545449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.545449][   T10]      ip6_route_add+0x1c/0x140
[ 1925.545449][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1925.545449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.545449][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.545449][   T10]      netlink_unicast+0x449/0x710
[ 1925.545449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.545449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.545449][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.545449][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.545449][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.545449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.545449][   T10] 
[ 1925.547355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.547355][   T10]      dst_init+0x84/0x4a0
[ 1925.547355][   T10]      dst_alloc+0x97/0x150
[ 1925.547355][   T10]      ip6_dst_alloc+0x23/0x90
[ 1925.547355][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1925.547355][   T10]      ip6_pol_route+0x56f/0x840
[ 1925.547355][   T10]      fib6_rule_lookup+0x456/0x630
[ 1925.547355][   T10]      ip6_route_input+0x59c/0xa50
[ 1925.547355][   T10]      ipv6_rcv+0x397/0x810
[ 1925.547355][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1925.547355][   T10]      process_backlog+0x101/0x620
[ 1925.547355][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1925.547355][   T10]      net_rx_action+0x495/0xbe0
[ 1925.547355][   T10]      __do_softirq+0x1b5/0x7f6
[ 1925.547355][   T10] 
[ 1925.549023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.549023][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.549023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.549023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.549023][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1925.549023][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1925.549023][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1925.549023][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1925.549023][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1925.549023][   T10]      addrconf_dad_begin+0x310/0x670
[ 1925.549023][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1925.549023][   T10]      process_one_work+0x84d/0x18a0
[ 1925.549023][   T10]      worker_thread+0x587/0xd30
[ 1925.549023][   T10]      kthread+0x28a/0x350
[ 1925.549023][   T10]      ret_from_fork+0x31/0x70
[ 1925.549023][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1925.549023][   T10] 
[ 1925.550953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.550953][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.550953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.550953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.550953][   T10]      ip6_route_add+0x1c/0x140
[ 1925.550953][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1925.550953][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1925.550953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.550953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.550953][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.550953][   T10]      netlink_unicast+0x449/0x710
[ 1925.550953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.550953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.550953][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.550953][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.550953][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.550953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.550953][   T10] 
[ 1925.552967][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.552967][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.552967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.552967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.552967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1925.552967][   T10]      ipv6_add_addr+0x411/0x2000
[ 1925.552967][   T10]      inet6_addr_add+0x30e/0xa40
[ 1925.552967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.552967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.552967][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.552967][   T10]      netlink_unicast+0x449/0x710
[ 1925.552967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.552967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.552967][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.552967][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.552967][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.552967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.552967][   T10] 
[ 1925.554978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.554978][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.554978][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.554978][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.554978][   T10]      ip6_route_add+0x1c/0x140
[ 1925.554978][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1925.554978][   T10]      addrconf_add_dev+0xe2/0x170
[ 1925.554978][   T10]      inet6_addr_add+0x12f/0xa40
[ 1925.554978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.554978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.554978][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.554978][   T10]      netlink_unicast+0x449/0x710
[ 1925.554978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.554978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.554978][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.554978][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.554978][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.554978][   T10] 
[ 1925.557083][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.557083][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1925.557083][   T10]      ipv6_find_idev+0x102/0x170
[ 1925.557083][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1925.557083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.557083][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.557083][   T10]      netlink_unicast+0x449/0x710
[ 1925.557083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.557083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.557083][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.557083][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.557083][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.557083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.557083][   T10] 
[ 1925.558700][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1925.558700][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1925.558700][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1925.558700][   T10]      ipv6_find_idev+0x102/0x170
[ 1925.558700][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1925.558700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.558700][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.558700][   T10]      netlink_unicast+0x449/0x710
[ 1925.558700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.558700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.558700][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.558700][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.558700][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.558700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.558700][   T10] 
[ 1925.560531][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1925.560782][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1925.560782][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.560782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.560782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.560782][   T10]      ip6_route_add+0x1c/0x140
[ 1925.560782][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1925.560782][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1925.560782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.560782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.560782][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.560782][   T10]      netlink_unicast+0x449/0x710
[ 1925.560782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.560782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.560782][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.560782][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.560782][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.560782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.560782][   T10] 
[ 1925.562926][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1925.562926][   T10]      netdev_get_by_index+0x5e/0x80
[ 1925.562926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1925.562926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1925.562926][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1925.562926][   T10]      ipv6_add_addr+0x411/0x2000
[ 1925.562926][   T10]      inet6_addr_add+0x30e/0xa40
[ 1925.562926][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1925.562926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.562926][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.562926][   T10]      netlink_unicast+0x449/0x710
[ 1925.562926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.562926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.562926][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.562926][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.562926][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.562926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.562926][   T10] 
[ 1925.565066][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1925.565066][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1925.565066][   T10]      ipv6_find_idev+0x102/0x170
[ 1925.565066][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1925.565066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.565066][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.565066][   T10]      netlink_unicast+0x449/0x710
[ 1925.565066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.565066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.565066][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.565066][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.565066][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.565066][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.565066][   T10] 
[ 1925.566762][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1925.566762][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1925.566762][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1925.566762][   T10]      ipv6_find_idev+0x102/0x170
[ 1925.566762][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1925.566762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1925.566762][   T10]      netlink_rcv_skb+0x130/0x360
[ 1925.566762][   T10]      netlink_unicast+0x449/0x710
[ 1925.566762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1925.566762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1925.566762][   T10]      ___sys_sendmsg+0xee/0x170
[ 1925.566762][   T10]      __sys_sendmsg+0xcd/0x170
[ 1925.566762][   T10]      do_syscall_64+0xc6/0x1e0
[ 1925.566762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1925.566762][   T10] 
[ 1935.808714][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1935.809155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.809155][   T10]      dst_init+0x84/0x4a0
[ 1935.809155][   T10]      dst_alloc+0x97/0x150
[ 1935.809155][   T10]      ip6_dst_alloc+0x23/0x90
[ 1935.809155][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1935.809155][   T10]      ip6_pol_route+0x56f/0x840
[ 1935.809155][   T10]      fib6_rule_lookup+0x456/0x630
[ 1935.809155][   T10]      ip6_route_input+0x59c/0xa50
[ 1935.809155][   T10]      ipv6_rcv+0x397/0x810
[ 1935.809155][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1935.809155][   T10]      process_backlog+0x101/0x620
[ 1935.809155][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1935.809155][   T10]      net_rx_action+0x495/0xbe0
[ 1935.809155][   T10]      __do_softirq+0x1b5/0x7f6
[ 1935.809155][   T10] 
[ 1935.810832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.810832][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1935.810832][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1935.810832][   T10]      fib6_nh_init+0xa22/0x1580
[ 1935.810832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.810832][   T10]      ip6_route_add+0x1c/0x140
[ 1935.810832][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1935.810832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.810832][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.810832][   T10]      netlink_unicast+0x449/0x710
[ 1935.810832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.810832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.810832][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.810832][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.810832][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.810832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.810832][   T10] 
[ 1935.812732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.812732][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.812732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.812732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.812732][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1935.812732][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1935.812732][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1935.812732][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1935.812732][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1935.812732][   T10]      addrconf_dad_begin+0x310/0x670
[ 1935.812732][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1935.812732][   T10]      process_one_work+0x84d/0x18a0
[ 1935.812732][   T10]      worker_thread+0x587/0xd30
[ 1935.812732][   T10]      kthread+0x28a/0x350
[ 1935.812732][   T10]      ret_from_fork+0x31/0x70
[ 1935.812732][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1935.812732][   T10] 
[ 1935.814647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.814647][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.814647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.814647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.814647][   T10]      ip6_route_add+0x1c/0x140
[ 1935.814647][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1935.814647][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1935.814647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.814647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.814647][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.814647][   T10]      netlink_unicast+0x449/0x710
[ 1935.814647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.814647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.814647][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.814647][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.814647][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.814647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.814647][   T10] 
[ 1935.816666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.816666][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.816666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.816666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.816666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1935.816666][   T10]      ipv6_add_addr+0x411/0x2000
[ 1935.816666][   T10]      inet6_addr_add+0x30e/0xa40
[ 1935.816666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.816666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.816666][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.816666][   T10]      netlink_unicast+0x449/0x710
[ 1935.816666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.816666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.816666][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.816666][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.816666][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.816666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.816666][   T10] 
[ 1935.818665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.818665][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.818665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.818665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.818665][   T10]      ip6_route_add+0x1c/0x140
[ 1935.818665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1935.818665][   T10]      addrconf_add_dev+0xe2/0x170
[ 1935.818665][   T10]      inet6_addr_add+0x12f/0xa40
[ 1935.818665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.818665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.818665][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.818665][   T10]      netlink_unicast+0x449/0x710
[ 1935.818665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.818665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.818665][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.818665][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.818665][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.818665][   T10] 
[ 1935.820627][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.820627][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1935.820627][   T10]      ipv6_find_idev+0x102/0x170
[ 1935.820627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1935.820627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.820627][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.820627][   T10]      netlink_unicast+0x449/0x710
[ 1935.820627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.820627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.820627][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.820627][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.820627][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.820627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.820627][   T10] 
[ 1935.822167][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1935.822167][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1935.822167][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1935.822167][   T10]      ipv6_find_idev+0x102/0x170
[ 1935.822167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1935.822167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.822167][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.822167][   T10]      netlink_unicast+0x449/0x710
[ 1935.822167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.822167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.822167][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.822167][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.822167][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.822167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.822167][   T10] 
[ 1935.823863][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1935.824099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.824099][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1935.824099][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1935.824099][   T10]      fib6_nh_init+0xa22/0x1580
[ 1935.824099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.824099][   T10]      ip6_route_add+0x1c/0x140
[ 1935.824099][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1935.824099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.824099][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.824099][   T10]      netlink_unicast+0x449/0x710
[ 1935.824099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.824099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.824099][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.824099][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.824099][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.824099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.824099][   T10] 
[ 1935.825972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.825972][   T10]      dst_init+0x84/0x4a0
[ 1935.825972][   T10]      dst_alloc+0x97/0x150
[ 1935.825972][   T10]      ip6_dst_alloc+0x23/0x90
[ 1935.825972][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1935.825972][   T10]      ip6_pol_route+0x56f/0x840
[ 1935.825972][   T10]      fib6_rule_lookup+0x456/0x630
[ 1935.825972][   T10]      ip6_route_input+0x59c/0xa50
[ 1935.825972][   T10]      ipv6_rcv+0x397/0x810
[ 1935.825972][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1935.825972][   T10]      process_backlog+0x101/0x620
[ 1935.825972][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1935.825972][   T10]      net_rx_action+0x495/0xbe0
[ 1935.825972][   T10]      __do_softirq+0x1b5/0x7f6
[ 1935.825972][   T10] 
[ 1935.827617][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.827617][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.827617][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.827617][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.827617][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1935.827617][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1935.827617][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1935.827617][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1935.827617][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1935.827617][   T10]      addrconf_dad_begin+0x310/0x670
[ 1935.827617][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1935.827617][   T10]      process_one_work+0x84d/0x18a0
[ 1935.827617][   T10]      worker_thread+0x587/0xd30
[ 1935.827617][   T10]      kthread+0x28a/0x350
[ 1935.827617][   T10]      ret_from_fork+0x31/0x70
[ 1935.827617][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1935.827617][   T10] 
[ 1935.829524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.829524][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.829524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.829524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.829524][   T10]      ip6_route_add+0x1c/0x140
[ 1935.829524][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1935.829524][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1935.829524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.829524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.829524][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.829524][   T10]      netlink_unicast+0x449/0x710
[ 1935.829524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.829524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.829524][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.829524][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.829524][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.829524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.829524][   T10] 
[ 1935.831515][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.831515][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.831515][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.831515][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.831515][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1935.831515][   T10]      ipv6_add_addr+0x411/0x2000
[ 1935.831515][   T10]      inet6_addr_add+0x30e/0xa40
[ 1935.831515][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.831515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.831515][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.831515][   T10]      netlink_unicast+0x449/0x710
[ 1935.831515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.831515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.831515][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.831515][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.831515][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.831515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.831515][   T10] 
[ 1935.833518][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.833518][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.833518][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.833518][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.833518][   T10]      ip6_route_add+0x1c/0x140
[ 1935.833518][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1935.833518][   T10]      addrconf_add_dev+0xe2/0x170
[ 1935.833518][   T10]      inet6_addr_add+0x12f/0xa40
[ 1935.833518][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.833518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.833518][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.833518][   T10]      netlink_unicast+0x449/0x710
[ 1935.833518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.833518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.833518][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.833518][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.833518][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.833518][   T10] 
[ 1935.835619][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.835619][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1935.835619][   T10]      ipv6_find_idev+0x102/0x170
[ 1935.835619][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1935.835619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.835619][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.835619][   T10]      netlink_unicast+0x449/0x710
[ 1935.835619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.835619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.835619][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.835619][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.835619][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.835619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.835619][   T10] 
[ 1935.837537][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1935.837537][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1935.837537][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1935.837537][   T10]      ipv6_find_idev+0x102/0x170
[ 1935.837537][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1935.837537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.837537][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.837537][   T10]      netlink_unicast+0x449/0x710
[ 1935.837537][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.837537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.837537][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.837537][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.837537][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.837537][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.837537][   T10] 
[ 1935.839408][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1935.839739][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1935.839739][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.839739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.839739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.839739][   T10]      ip6_route_add+0x1c/0x140
[ 1935.839739][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1935.839739][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1935.839739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.839739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.839739][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.839739][   T10]      netlink_unicast+0x449/0x710
[ 1935.839739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.839739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.839739][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.839739][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.839739][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.839739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.839739][   T10] 
[ 1935.841921][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1935.841921][   T10]      netdev_get_by_index+0x5e/0x80
[ 1935.841921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1935.841921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1935.841921][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1935.841921][   T10]      ipv6_add_addr+0x411/0x2000
[ 1935.841921][   T10]      inet6_addr_add+0x30e/0xa40
[ 1935.841921][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1935.841921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.841921][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.841921][   T10]      netlink_unicast+0x449/0x710
[ 1935.841921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.841921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.841921][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.841921][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.841921][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.841921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.841921][   T10] 
[ 1935.844086][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1935.844086][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1935.844086][   T10]      ipv6_find_idev+0x102/0x170
[ 1935.844086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1935.844086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.844086][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.844086][   T10]      netlink_unicast+0x449/0x710
[ 1935.844086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.844086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.844086][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.844086][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.844086][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.844086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.844086][   T10] 
[ 1935.845808][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1935.845808][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1935.845808][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1935.845808][   T10]      ipv6_find_idev+0x102/0x170
[ 1935.845808][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1935.845808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1935.845808][   T10]      netlink_rcv_skb+0x130/0x360
[ 1935.845808][   T10]      netlink_unicast+0x449/0x710
[ 1935.845808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1935.845808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1935.845808][   T10]      ___sys_sendmsg+0xee/0x170
[ 1935.845808][   T10]      __sys_sendmsg+0xcd/0x170
[ 1935.845808][   T10]      do_syscall_64+0xc6/0x1e0
[ 1935.845808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1935.845808][   T10] 
[ 1945.872696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1945.873200][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.873200][   T10]      dst_init+0x84/0x4a0
[ 1945.873200][   T10]      dst_alloc+0x97/0x150
[ 1945.873200][   T10]      ip6_dst_alloc+0x23/0x90
[ 1945.873200][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1945.873200][   T10]      ip6_pol_route+0x56f/0x840
[ 1945.873200][   T10]      fib6_rule_lookup+0x456/0x630
[ 1945.873200][   T10]      ip6_route_input+0x59c/0xa50
[ 1945.873200][   T10]      ipv6_rcv+0x397/0x810
[ 1945.873200][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1945.873200][   T10]      process_backlog+0x101/0x620
[ 1945.873200][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1945.873200][   T10]      net_rx_action+0x495/0xbe0
[ 1945.873200][   T10]      __do_softirq+0x1b5/0x7f6
[ 1945.873200][   T10] 
[ 1945.875053][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.875053][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1945.875053][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1945.875053][   T10]      fib6_nh_init+0xa22/0x1580
[ 1945.875053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.875053][   T10]      ip6_route_add+0x1c/0x140
[ 1945.875053][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1945.875053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.875053][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.875053][   T10]      netlink_unicast+0x449/0x710
[ 1945.875053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.875053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.875053][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.875053][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.875053][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.875053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.875053][   T10] 
[ 1945.877198][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.877198][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.877198][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.877198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.877198][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1945.877198][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1945.877198][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1945.877198][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1945.877198][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1945.877198][   T10]      addrconf_dad_begin+0x310/0x670
[ 1945.877198][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1945.877198][   T10]      process_one_work+0x84d/0x18a0
[ 1945.877198][   T10]      worker_thread+0x587/0xd30
[ 1945.877198][   T10]      kthread+0x28a/0x350
[ 1945.877198][   T10]      ret_from_fork+0x31/0x70
[ 1945.877198][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1945.877198][   T10] 
[ 1945.879326][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.879326][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.879326][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.879326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.879326][   T10]      ip6_route_add+0x1c/0x140
[ 1945.879326][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1945.879326][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1945.879326][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.879326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.879326][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.879326][   T10]      netlink_unicast+0x449/0x710
[ 1945.879326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.879326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.879326][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.879326][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.879326][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.879326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.879326][   T10] 
[ 1945.881646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.881646][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.881646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.881646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.881646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1945.881646][   T10]      ipv6_add_addr+0x411/0x2000
[ 1945.881646][   T10]      inet6_addr_add+0x30e/0xa40
[ 1945.881646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.881646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.881646][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.881646][   T10]      netlink_unicast+0x449/0x710
[ 1945.881646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.881646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.881646][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.881646][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.881646][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.881646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.881646][   T10] 
[ 1945.883892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.883892][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.883892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.883892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.883892][   T10]      ip6_route_add+0x1c/0x140
[ 1945.883892][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1945.883892][   T10]      addrconf_add_dev+0xe2/0x170
[ 1945.883892][   T10]      inet6_addr_add+0x12f/0xa40
[ 1945.883892][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.883892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.883892][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.883892][   T10]      netlink_unicast+0x449/0x710
[ 1945.883892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.883892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.883892][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.883892][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.883892][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.883892][   T10] 
[ 1945.886086][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.886086][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1945.886086][   T10]      ipv6_find_idev+0x102/0x170
[ 1945.886086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1945.886086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.886086][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.886086][   T10]      netlink_unicast+0x449/0x710
[ 1945.886086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.886086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.886086][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.886086][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.886086][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.886086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.886086][   T10] 
[ 1945.887866][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1945.887866][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1945.887866][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1945.887866][   T10]      ipv6_find_idev+0x102/0x170
[ 1945.887866][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1945.887866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.887866][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.887866][   T10]      netlink_unicast+0x449/0x710
[ 1945.887866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.887866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.887866][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.887866][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.887866][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.887866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.887866][   T10] 
[ 1945.889729][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1945.889994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.889994][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1945.889994][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1945.889994][   T10]      fib6_nh_init+0xa22/0x1580
[ 1945.889994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.889994][   T10]      ip6_route_add+0x1c/0x140
[ 1945.889994][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1945.889994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.889994][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.889994][   T10]      netlink_unicast+0x449/0x710
[ 1945.889994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.889994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.889994][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.889994][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.889994][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.889994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.889994][   T10] 
[ 1945.892157][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.892157][   T10]      dst_init+0x84/0x4a0
[ 1945.892157][   T10]      dst_alloc+0x97/0x150
[ 1945.892157][   T10]      ip6_dst_alloc+0x23/0x90
[ 1945.892157][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1945.892157][   T10]      ip6_pol_route+0x56f/0x840
[ 1945.892157][   T10]      fib6_rule_lookup+0x456/0x630
[ 1945.892157][   T10]      ip6_route_input+0x59c/0xa50
[ 1945.892157][   T10]      ipv6_rcv+0x397/0x810
[ 1945.892157][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1945.892157][   T10]      process_backlog+0x101/0x620
[ 1945.892157][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1945.892157][   T10]      net_rx_action+0x495/0xbe0
[ 1945.892157][   T10]      __do_softirq+0x1b5/0x7f6
[ 1945.892157][   T10] 
[ 1945.893979][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.893979][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.893979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.893979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.893979][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1945.893979][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1945.893979][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1945.893979][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1945.893979][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1945.893979][   T10]      addrconf_dad_begin+0x310/0x670
[ 1945.893979][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1945.893979][   T10]      process_one_work+0x84d/0x18a0
[ 1945.893979][   T10]      worker_thread+0x587/0xd30
[ 1945.893979][   T10]      kthread+0x28a/0x350
[ 1945.893979][   T10]      ret_from_fork+0x31/0x70
[ 1945.893979][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1945.893979][   T10] 
[ 1945.896150][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.896150][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.896150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.896150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.896150][   T10]      ip6_route_add+0x1c/0x140
[ 1945.896150][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1945.896150][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1945.896150][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.896150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.896150][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.896150][   T10]      netlink_unicast+0x449/0x710
[ 1945.896150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.896150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.896150][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.896150][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.896150][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.896150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.896150][   T10] 
[ 1945.898446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.898446][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.898446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.898446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.898446][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1945.898446][   T10]      ipv6_add_addr+0x411/0x2000
[ 1945.898446][   T10]      inet6_addr_add+0x30e/0xa40
[ 1945.898446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.898446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.898446][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.898446][   T10]      netlink_unicast+0x449/0x710
[ 1945.898446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.898446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.898446][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.898446][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.898446][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.898446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.898446][   T10] 
[ 1945.900719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.900719][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.900719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.900719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.900719][   T10]      ip6_route_add+0x1c/0x140
[ 1945.900719][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1945.900719][   T10]      addrconf_add_dev+0xe2/0x170
[ 1945.900719][   T10]      inet6_addr_add+0x12f/0xa40
[ 1945.900719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.900719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.900719][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.900719][   T10]      netlink_unicast+0x449/0x710
[ 1945.900719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.900719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.900719][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.900719][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.900719][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.900719][   T10] 
[ 1945.903096][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.903096][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1945.903096][   T10]      ipv6_find_idev+0x102/0x170
[ 1945.903096][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1945.903096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.903096][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.903096][   T10]      netlink_unicast+0x449/0x710
[ 1945.903096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.903096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.903096][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.903096][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.903096][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.903096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.903096][   T10] 
[ 1945.905025][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1945.905025][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1945.905025][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1945.905025][   T10]      ipv6_find_idev+0x102/0x170
[ 1945.905025][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1945.905025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.905025][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.905025][   T10]      netlink_unicast+0x449/0x710
[ 1945.905025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.905025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.905025][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.905025][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.905025][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.905025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.905025][   T10] 
[ 1945.907176][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1945.907442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1945.907442][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.907442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.907442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.907442][   T10]      ip6_route_add+0x1c/0x140
[ 1945.907442][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1945.907442][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1945.907442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.907442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.907442][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.907442][   T10]      netlink_unicast+0x449/0x710
[ 1945.907442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.907442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.907442][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.907442][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.907442][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.907442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.907442][   T10] 
[ 1945.909958][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1945.909958][   T10]      netdev_get_by_index+0x5e/0x80
[ 1945.909958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1945.909958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1945.909958][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1945.909958][   T10]      ipv6_add_addr+0x411/0x2000
[ 1945.909958][   T10]      inet6_addr_add+0x30e/0xa40
[ 1945.909958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1945.909958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.909958][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.909958][   T10]      netlink_unicast+0x449/0x710
[ 1945.909958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.909958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.909958][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.909958][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.909958][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.909958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.909958][   T10] 
[ 1945.912442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1945.912442][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1945.912442][   T10]      ipv6_find_idev+0x102/0x170
[ 1945.912442][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1945.912442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.912442][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.912442][   T10]      netlink_unicast+0x449/0x710
[ 1945.912442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.912442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.912442][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.912442][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.912442][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.912442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.912442][   T10] 
[ 1945.914307][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1945.914307][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1945.914307][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1945.914307][   T10]      ipv6_find_idev+0x102/0x170
[ 1945.914307][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1945.914307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1945.914307][   T10]      netlink_rcv_skb+0x130/0x360
[ 1945.914307][   T10]      netlink_unicast+0x449/0x710
[ 1945.914307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1945.914307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1945.914307][   T10]      ___sys_sendmsg+0xee/0x170
[ 1945.914307][   T10]      __sys_sendmsg+0xcd/0x170
[ 1945.914307][   T10]      do_syscall_64+0xc6/0x1e0
[ 1945.914307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1945.914307][   T10] 
[ 1955.984725][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1955.985245][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.985245][   T10]      dst_init+0x84/0x4a0
[ 1955.985245][   T10]      dst_alloc+0x97/0x150
[ 1955.985245][   T10]      ip6_dst_alloc+0x23/0x90
[ 1955.985245][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1955.985245][   T10]      ip6_pol_route+0x56f/0x840
[ 1955.985245][   T10]      fib6_rule_lookup+0x456/0x630
[ 1955.985245][   T10]      ip6_route_input+0x59c/0xa50
[ 1955.985245][   T10]      ipv6_rcv+0x397/0x810
[ 1955.985245][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1955.985245][   T10]      process_backlog+0x101/0x620
[ 1955.985245][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1955.985245][   T10]      net_rx_action+0x495/0xbe0
[ 1955.985245][   T10]      __do_softirq+0x1b5/0x7f6
[ 1955.985245][   T10] 
[ 1955.986925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.986925][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1955.986925][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1955.986925][   T10]      fib6_nh_init+0xa22/0x1580
[ 1955.986925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1955.986925][   T10]      ip6_route_add+0x1c/0x140
[ 1955.986925][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1955.986925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1955.986925][   T10]      netlink_rcv_skb+0x130/0x360
[ 1955.986925][   T10]      netlink_unicast+0x449/0x710
[ 1955.986925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1955.986925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1955.986925][   T10]      ___sys_sendmsg+0xee/0x170
[ 1955.986925][   T10]      __sys_sendmsg+0xcd/0x170
[ 1955.986925][   T10]      do_syscall_64+0xc6/0x1e0
[ 1955.986925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1955.986925][   T10] 
[ 1955.988815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.988815][   T10]      netdev_get_by_index+0x5e/0x80
[ 1955.988815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1955.988815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1955.988815][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1955.988815][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1955.988815][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1955.988815][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1955.988815][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1955.988815][   T10]      addrconf_dad_begin+0x310/0x670
[ 1955.988815][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1955.988815][   T10]      process_one_work+0x84d/0x18a0
[ 1955.988815][   T10]      worker_thread+0x587/0xd30
[ 1955.988815][   T10]      kthread+0x28a/0x350
[ 1955.988815][   T10]      ret_from_fork+0x31/0x70
[ 1955.988815][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1955.988815][   T10] 
[ 1955.990732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.990732][   T10]      netdev_get_by_index+0x5e/0x80
[ 1955.990732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1955.990732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1955.990732][   T10]      ip6_route_add+0x1c/0x140
[ 1955.990732][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1955.990732][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1955.990732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1955.990732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1955.990732][   T10]      netlink_rcv_skb+0x130/0x360
[ 1955.990732][   T10]      netlink_unicast+0x449/0x710
[ 1955.990732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1955.990732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1955.990732][   T10]      ___sys_sendmsg+0xee/0x170
[ 1955.990732][   T10]      __sys_sendmsg+0xcd/0x170
[ 1955.990732][   T10]      do_syscall_64+0xc6/0x1e0
[ 1955.990732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1955.990732][   T10] 
[ 1955.992736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.992736][   T10]      netdev_get_by_index+0x5e/0x80
[ 1955.992736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1955.992736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1955.992736][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1955.992736][   T10]      ipv6_add_addr+0x411/0x2000
[ 1955.992736][   T10]      inet6_addr_add+0x30e/0xa40
[ 1955.992736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1955.992736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1955.992736][   T10]      netlink_rcv_skb+0x130/0x360
[ 1955.992736][   T10]      netlink_unicast+0x449/0x710
[ 1955.992736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1955.992736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1955.992736][   T10]      ___sys_sendmsg+0xee/0x170
[ 1955.992736][   T10]      __sys_sendmsg+0xcd/0x170
[ 1955.992736][   T10]      do_syscall_64+0xc6/0x1e0
[ 1955.992736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1955.992736][   T10] 
[ 1955.994738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.994738][   T10]      netdev_get_by_index+0x5e/0x80
[ 1955.994738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1955.994738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1955.994738][   T10]      ip6_route_add+0x1c/0x140
[ 1955.994738][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1955.994738][   T10]      addrconf_add_dev+0xe2/0x170
[ 1955.994738][   T10]      inet6_addr_add+0x12f/0xa40
[ 1955.994738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1955.994738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1955.994738][   T10]      netlink_rcv_skb+0x130/0x360
[ 1955.994738][   T10]      netlink_unicast+0x449/0x710
[ 1955.994738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1955.994738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1955.994738][   T10]      ___sys_sendmsg+0xee/0x170
[ 1955.994738][   T10]      __sys_sendmsg+0xcd/0x170
[ 1955.994738][   T10]      do_syscall_64+0xc6/0x1e0
[ 1955.994738][   T10] 
[ 1955.996712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.996712][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1955.996712][   T10]      ipv6_find_idev+0x102/0x170
[ 1955.996712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1955.996712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1955.996712][   T10]      netlink_rcv_skb+0x130/0x360
[ 1955.996712][   T10]      netlink_unicast+0x449/0x710
[ 1955.996712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1955.996712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1955.996712][   T10]      ___sys_sendmsg+0xee/0x170
[ 1955.996712][   T10]      __sys_sendmsg+0xcd/0x170
[ 1955.996712][   T10]      do_syscall_64+0xc6/0x1e0
[ 1955.996712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1955.996712][   T10] 
[ 1955.998528][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1955.998528][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1955.998528][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1955.998528][   T10]      ipv6_find_idev+0x102/0x170
[ 1955.998528][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1955.998528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1955.998528][   T10]      netlink_rcv_skb+0x130/0x360
[ 1955.998528][   T10]      netlink_unicast+0x449/0x710
[ 1955.998528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1955.998528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1955.998528][   T10]      ___sys_sendmsg+0xee/0x170
[ 1955.998528][   T10]      __sys_sendmsg+0xcd/0x170
[ 1955.998528][   T10]      do_syscall_64+0xc6/0x1e0
[ 1955.998528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1955.998528][   T10] 
[ 1956.000239][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1956.000481][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.000481][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1956.000481][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1956.000481][   T10]      fib6_nh_init+0xa22/0x1580
[ 1956.000481][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1956.000481][   T10]      ip6_route_add+0x1c/0x140
[ 1956.000481][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1956.000481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.000481][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.000481][   T10]      netlink_unicast+0x449/0x710
[ 1956.000481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.000481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.000481][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.000481][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.000481][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.000481][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.000481][   T10] 
[ 1956.002361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.002361][   T10]      dst_init+0x84/0x4a0
[ 1956.002361][   T10]      dst_alloc+0x97/0x150
[ 1956.002361][   T10]      ip6_dst_alloc+0x23/0x90
[ 1956.002361][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1956.002361][   T10]      ip6_pol_route+0x56f/0x840
[ 1956.002361][   T10]      fib6_rule_lookup+0x456/0x630
[ 1956.002361][   T10]      ip6_route_input+0x59c/0xa50
[ 1956.002361][   T10]      ipv6_rcv+0x397/0x810
[ 1956.002361][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1956.002361][   T10]      process_backlog+0x101/0x620
[ 1956.002361][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1956.002361][   T10]      net_rx_action+0x495/0xbe0
[ 1956.002361][   T10]      __do_softirq+0x1b5/0x7f6
[ 1956.002361][   T10] 
[ 1956.003994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.003994][   T10]      netdev_get_by_index+0x5e/0x80
[ 1956.003994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1956.003994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1956.003994][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1956.003994][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1956.003994][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1956.003994][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1956.003994][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1956.003994][   T10]      addrconf_dad_begin+0x310/0x670
[ 1956.003994][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1956.003994][   T10]      process_one_work+0x84d/0x18a0
[ 1956.003994][   T10]      worker_thread+0x587/0xd30
[ 1956.003994][   T10]      kthread+0x28a/0x350
[ 1956.003994][   T10]      ret_from_fork+0x31/0x70
[ 1956.003994][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1956.003994][   T10] 
[ 1956.005904][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.005904][   T10]      netdev_get_by_index+0x5e/0x80
[ 1956.005904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1956.005904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1956.005904][   T10]      ip6_route_add+0x1c/0x140
[ 1956.005904][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1956.005904][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1956.005904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1956.005904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.005904][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.005904][   T10]      netlink_unicast+0x449/0x710
[ 1956.005904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.005904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.005904][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.005904][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.005904][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.005904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.005904][   T10] 
[ 1956.007910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.007910][   T10]      netdev_get_by_index+0x5e/0x80
[ 1956.007910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1956.007910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1956.007910][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1956.007910][   T10]      ipv6_add_addr+0x411/0x2000
[ 1956.007910][   T10]      inet6_addr_add+0x30e/0xa40
[ 1956.007910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1956.007910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.007910][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.007910][   T10]      netlink_unicast+0x449/0x710
[ 1956.007910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.007910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.007910][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.007910][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.007910][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.007910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.007910][   T10] 
[ 1956.009910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.009910][   T10]      netdev_get_by_index+0x5e/0x80
[ 1956.009910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1956.009910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1956.009910][   T10]      ip6_route_add+0x1c/0x140
[ 1956.009910][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1956.009910][   T10]      addrconf_add_dev+0xe2/0x170
[ 1956.009910][   T10]      inet6_addr_add+0x12f/0xa40
[ 1956.009910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1956.009910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.009910][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.009910][   T10]      netlink_unicast+0x449/0x710
[ 1956.009910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.009910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.009910][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.009910][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.009910][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.009910][   T10] 
[ 1956.012053][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.012053][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1956.012053][   T10]      ipv6_find_idev+0x102/0x170
[ 1956.012053][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1956.012053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.012053][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.012053][   T10]      netlink_unicast+0x449/0x710
[ 1956.012053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.012053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.012053][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.012053][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.012053][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.012053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.012053][   T10] 
[ 1956.013773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1956.013773][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1956.013773][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1956.013773][   T10]      ipv6_find_idev+0x102/0x170
[ 1956.013773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1956.013773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.013773][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.013773][   T10]      netlink_unicast+0x449/0x710
[ 1956.013773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.013773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.013773][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.013773][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.013773][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.013773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.013773][   T10] 
[ 1956.015695][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1956.015993][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1956.015993][   T10]      netdev_get_by_index+0x5e/0x80
[ 1956.015993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1956.015993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1956.015993][   T10]      ip6_route_add+0x1c/0x140
[ 1956.015993][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1956.015993][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1956.015993][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1956.015993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.015993][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.015993][   T10]      netlink_unicast+0x449/0x710
[ 1956.015993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.015993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.015993][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.015993][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.015993][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.015993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.015993][   T10] 
[ 1956.018235][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1956.018235][   T10]      netdev_get_by_index+0x5e/0x80
[ 1956.018235][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1956.018235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1956.018235][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1956.018235][   T10]      ipv6_add_addr+0x411/0x2000
[ 1956.018235][   T10]      inet6_addr_add+0x30e/0xa40
[ 1956.018235][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1956.018235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.018235][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.018235][   T10]      netlink_unicast+0x449/0x710
[ 1956.018235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.018235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.018235][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.018235][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.018235][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.018235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.018235][   T10] 
[ 1956.020401][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1956.020401][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1956.020401][   T10]      ipv6_find_idev+0x102/0x170
[ 1956.020401][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1956.020401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.020401][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.020401][   T10]      netlink_unicast+0x449/0x710
[ 1956.020401][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.020401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.020401][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.020401][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.020401][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.020401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.020401][   T10] 
[ 1956.022118][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1956.022118][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1956.022118][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1956.022118][   T10]      ipv6_find_idev+0x102/0x170
[ 1956.022118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1956.022118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1956.022118][   T10]      netlink_rcv_skb+0x130/0x360
[ 1956.022118][   T10]      netlink_unicast+0x449/0x710
[ 1956.022118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1956.022118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1956.022118][   T10]      ___sys_sendmsg+0xee/0x170
[ 1956.022118][   T10]      __sys_sendmsg+0xcd/0x170
[ 1956.022118][   T10]      do_syscall_64+0xc6/0x1e0
[ 1956.022118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1956.022118][   T10] 
[ 1966.264723][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1966.265222][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.265222][   T10]      dst_init+0x84/0x4a0
[ 1966.265222][   T10]      dst_alloc+0x97/0x150
[ 1966.265222][   T10]      ip6_dst_alloc+0x23/0x90
[ 1966.265222][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1966.265222][   T10]      ip6_pol_route+0x56f/0x840
[ 1966.265222][   T10]      fib6_rule_lookup+0x456/0x630
[ 1966.265222][   T10]      ip6_route_input+0x59c/0xa50
[ 1966.265222][   T10]      ipv6_rcv+0x397/0x810
[ 1966.265222][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1966.265222][   T10]      process_backlog+0x101/0x620
[ 1966.265222][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1966.265222][   T10]      net_rx_action+0x495/0xbe0
[ 1966.265222][   T10]      __do_softirq+0x1b5/0x7f6
[ 1966.265222][   T10] 
[ 1966.266999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.266999][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1966.266999][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1966.266999][   T10]      fib6_nh_init+0xa22/0x1580
[ 1966.266999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.266999][   T10]      ip6_route_add+0x1c/0x140
[ 1966.266999][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1966.266999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.266999][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.266999][   T10]      netlink_unicast+0x449/0x710
[ 1966.266999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.266999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.266999][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.266999][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.266999][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.266999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.266999][   T10] 
[ 1966.269002][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.269002][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.269002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.269002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.269002][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1966.269002][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1966.269002][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1966.269002][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1966.269002][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1966.269002][   T10]      addrconf_dad_begin+0x310/0x670
[ 1966.269002][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1966.269002][   T10]      process_one_work+0x84d/0x18a0
[ 1966.269002][   T10]      worker_thread+0x587/0xd30
[ 1966.269002][   T10]      kthread+0x28a/0x350
[ 1966.269002][   T10]      ret_from_fork+0x31/0x70
[ 1966.269002][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1966.269002][   T10] 
[ 1966.271029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.271029][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.271029][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.271029][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.271029][   T10]      ip6_route_add+0x1c/0x140
[ 1966.271029][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1966.271029][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1966.271029][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.271029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.271029][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.271029][   T10]      netlink_unicast+0x449/0x710
[ 1966.271029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.271029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.271029][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.271029][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.271029][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.271029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.271029][   T10] 
[ 1966.273145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.273145][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.273145][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.273145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.273145][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1966.273145][   T10]      ipv6_add_addr+0x411/0x2000
[ 1966.273145][   T10]      inet6_addr_add+0x30e/0xa40
[ 1966.273145][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.273145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.273145][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.273145][   T10]      netlink_unicast+0x449/0x710
[ 1966.273145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.273145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.273145][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.273145][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.273145][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.273145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.273145][   T10] 
[ 1966.275279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.275279][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.275279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.275279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.275279][   T10]      ip6_route_add+0x1c/0x140
[ 1966.275279][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1966.275279][   T10]      addrconf_add_dev+0xe2/0x170
[ 1966.275279][   T10]      inet6_addr_add+0x12f/0xa40
[ 1966.275279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.275279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.275279][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.275279][   T10]      netlink_unicast+0x449/0x710
[ 1966.275279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.275279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.275279][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.275279][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.275279][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.275279][   T10] 
[ 1966.277370][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.277370][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1966.277370][   T10]      ipv6_find_idev+0x102/0x170
[ 1966.277370][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1966.277370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.277370][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.277370][   T10]      netlink_unicast+0x449/0x710
[ 1966.277370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.277370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.277370][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.277370][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.277370][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.277370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.277370][   T10] 
[ 1966.279000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1966.279000][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1966.279000][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1966.279000][   T10]      ipv6_find_idev+0x102/0x170
[ 1966.279000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1966.279000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.279000][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.279000][   T10]      netlink_unicast+0x449/0x710
[ 1966.279000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.279000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.279000][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.279000][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.279000][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.279000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.279000][   T10] 
[ 1966.280807][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1966.281072][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.281072][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1966.281072][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1966.281072][   T10]      fib6_nh_init+0xa22/0x1580
[ 1966.281072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.281072][   T10]      ip6_route_add+0x1c/0x140
[ 1966.281072][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1966.281072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.281072][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.281072][   T10]      netlink_unicast+0x449/0x710
[ 1966.281072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.281072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.281072][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.281072][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.281072][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.281072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.281072][   T10] 
[ 1966.283076][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.283076][   T10]      dst_init+0x84/0x4a0
[ 1966.283076][   T10]      dst_alloc+0x97/0x150
[ 1966.283076][   T10]      ip6_dst_alloc+0x23/0x90
[ 1966.283076][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1966.283076][   T10]      ip6_pol_route+0x56f/0x840
[ 1966.283076][   T10]      fib6_rule_lookup+0x456/0x630
[ 1966.283076][   T10]      ip6_route_input+0x59c/0xa50
[ 1966.283076][   T10]      ipv6_rcv+0x397/0x810
[ 1966.283076][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1966.283076][   T10]      process_backlog+0x101/0x620
[ 1966.283076][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1966.283076][   T10]      net_rx_action+0x495/0xbe0
[ 1966.283076][   T10]      __do_softirq+0x1b5/0x7f6
[ 1966.283076][   T10] 
[ 1966.284819][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.284819][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.284819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.284819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.284819][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1966.284819][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1966.284819][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1966.284819][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1966.284819][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1966.284819][   T10]      addrconf_dad_begin+0x310/0x670
[ 1966.284819][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1966.284819][   T10]      process_one_work+0x84d/0x18a0
[ 1966.284819][   T10]      worker_thread+0x587/0xd30
[ 1966.284819][   T10]      kthread+0x28a/0x350
[ 1966.284819][   T10]      ret_from_fork+0x31/0x70
[ 1966.284819][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1966.284819][   T10] 
[ 1966.286850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.286850][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.286850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.286850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.286850][   T10]      ip6_route_add+0x1c/0x140
[ 1966.286850][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1966.286850][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1966.286850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.286850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.286850][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.286850][   T10]      netlink_unicast+0x449/0x710
[ 1966.286850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.286850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.286850][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.286850][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.286850][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.286850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.286850][   T10] 
[ 1966.288966][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.288966][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.288966][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.288966][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.288966][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1966.288966][   T10]      ipv6_add_addr+0x411/0x2000
[ 1966.288966][   T10]      inet6_addr_add+0x30e/0xa40
[ 1966.288966][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.288966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.288966][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.288966][   T10]      netlink_unicast+0x449/0x710
[ 1966.288966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.288966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.288966][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.288966][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.288966][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.288966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.288966][   T10] 
[ 1966.291102][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.291102][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.291102][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.291102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.291102][   T10]      ip6_route_add+0x1c/0x140
[ 1966.291102][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1966.291102][   T10]      addrconf_add_dev+0xe2/0x170
[ 1966.291102][   T10]      inet6_addr_add+0x12f/0xa40
[ 1966.291102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.291102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.291102][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.291102][   T10]      netlink_unicast+0x449/0x710
[ 1966.291102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.291102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.291102][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.291102][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.291102][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.291102][   T10] 
[ 1966.293367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.293367][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1966.293367][   T10]      ipv6_find_idev+0x102/0x170
[ 1966.293367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1966.293367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.293367][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.293367][   T10]      netlink_unicast+0x449/0x710
[ 1966.293367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.293367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.293367][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.293367][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.293367][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.293367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.293367][   T10] 
[ 1966.295166][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1966.295166][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1966.295166][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1966.295166][   T10]      ipv6_find_idev+0x102/0x170
[ 1966.295166][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1966.295166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.295166][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.295166][   T10]      netlink_unicast+0x449/0x710
[ 1966.295166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.295166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.295166][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.295166][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.295166][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.295166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.295166][   T10] 
[ 1966.297158][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1966.297424][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1966.297424][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.297424][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.297424][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.297424][   T10]      ip6_route_add+0x1c/0x140
[ 1966.297424][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1966.297424][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1966.297424][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.297424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.297424][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.297424][   T10]      netlink_unicast+0x449/0x710
[ 1966.297424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.297424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.297424][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.297424][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.297424][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.297424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.297424][   T10] 
[ 1966.299837][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1966.299837][   T10]      netdev_get_by_index+0x5e/0x80
[ 1966.299837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1966.299837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1966.299837][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1966.299837][   T10]      ipv6_add_addr+0x411/0x2000
[ 1966.299837][   T10]      inet6_addr_add+0x30e/0xa40
[ 1966.299837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1966.299837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.299837][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.299837][   T10]      netlink_unicast+0x449/0x710
[ 1966.299837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.299837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.299837][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.299837][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.299837][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.299837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.299837][   T10] 
[ 1966.302183][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1966.302183][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1966.302183][   T10]      ipv6_find_idev+0x102/0x170
[ 1966.302183][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1966.302183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.302183][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.302183][   T10]      netlink_unicast+0x449/0x710
[ 1966.302183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.302183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.302183][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.302183][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.302183][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.302183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.302183][   T10] 
[ 1966.303986][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1966.303986][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1966.303986][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1966.303986][   T10]      ipv6_find_idev+0x102/0x170
[ 1966.303986][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1966.303986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1966.303986][   T10]      netlink_rcv_skb+0x130/0x360
[ 1966.303986][   T10]      netlink_unicast+0x449/0x710
[ 1966.303986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1966.303986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1966.303986][   T10]      ___sys_sendmsg+0xee/0x170
[ 1966.303986][   T10]      __sys_sendmsg+0xcd/0x170
[ 1966.303986][   T10]      do_syscall_64+0xc6/0x1e0
[ 1966.303986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1966.303986][   T10] 
[ 1967.400790][   T42] INFO: task modprobe:7622 blocked for more than 491 seconds.
[ 1967.401158][   T42]       Not tainted 6.8.0-virtme #1
[ 1967.401284][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1967.401494][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 1967.401796][   T42] Call Trace:
[ 1967.401895][   T42]  <TASK>
[ 1967.401968][   T42]  __schedule+0x705/0x1ac0
[ 1967.402126][   T42]  ? __pfx___schedule+0x10/0x10
[ 1967.402257][   T42]  ? schedule+0x1a5/0x210
[ 1967.402358][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1967.402495][   T42]  ? mark_lock+0x38/0x3e0
[ 1967.402608][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 1967.402749][   T42]  ? schedule+0x1a5/0x210
[ 1967.402867][   T42]  schedule+0xdf/0x210
[ 1967.402969][   T42]  schedule_preempt_disabled+0x15/0x30
[ 1967.403099][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 1967.403236][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 1967.403399][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 1967.403529][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1967.403683][   T42]  ? lock_acquire+0x1c1/0x220
[ 1967.403810][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 1967.403949][   T42]  down_write+0x1c9/0x200
[ 1967.404046][   T42]  ? __pfx_down_write+0x10/0x10
[ 1967.404190][   T42]  ? __pfx__printk+0x10/0x10
[ 1967.404326][   T42]  ? __pfx___lock_release+0x10/0x10
[ 1967.404461][   T42]  register_pernet_subsys+0x1a/0x50
[ 1967.404599][   T42]  tcf_register_action+0xa3/0x600
[ 1967.404741][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 1967.404903][   T42]  do_one_initcall+0xc8/0x3f0
[ 1967.405036][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 1967.405186][   T42]  ? __create_object+0x5e/0xb0
[ 1967.405320][   T42]  ? kasan_unpoison+0x27/0x60
[ 1967.405454][   T42]  do_init_module+0x233/0x740
[ 1967.405622][   T42]  load_module+0x16b5/0x2350
[ 1967.405772][   T42]  ? __pfx_load_module+0x10/0x10
[ 1967.405898][   T42]  ? kernel_read_file+0x3d2/0x520
[ 1967.406033][   T42]  ? kernel_read_file+0x300/0x520
[ 1967.406198][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 1967.406347][   T42]  ? init_module_from_file+0xd2/0x130
[ 1967.406484][   T42]  init_module_from_file+0xd2/0x130
[ 1967.406624][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 1967.406789][   T42]  ? __lock_release+0x103/0x460
[ 1967.406930][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1967.407083][   T42]  ? idempotent_init_module+0x32a/0x620
[ 1967.407212][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 1967.407350][   T42]  idempotent_init_module+0x342/0x620
[ 1967.407481][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 1967.407678][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 1967.407809][   T42]  do_syscall_64+0xc6/0x1e0
[ 1967.407939][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1967.408114][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 1967.408248][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 1967.408455][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 1967.408670][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 1967.408856][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 1967.409040][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 1967.409248][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 1967.409456][   T42]  </TASK>
[ 1967.409560][   T42] 
[ 1967.409560][   T42] Showing all locks held in the system:
[ 1967.409806][   T42] 3 locks held by kworker/u16:0/10:
[ 1967.409938][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1967.410213][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1967.410445][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 1967.410696][   T42] 2 locks held by kworker/u20:0/39:
[ 1967.410816][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 1967.411087][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 1967.411374][   T42] 1 lock held by khungtaskd/42:
[ 1967.411501][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 1967.411747][   T42] 1 lock held by modprobe/7622:
[ 1967.411871][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 1967.412130][   T42] 
[ 1967.412194][   T42] =============================================
[ 1967.412194][   T42] 
[ 1976.400773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1976.401868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.401868][   T10]      dst_init+0x84/0x4a0
[ 1976.401868][   T10]      dst_alloc+0x97/0x150
[ 1976.401868][   T10]      ip6_dst_alloc+0x23/0x90
[ 1976.401868][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1976.401868][   T10]      ip6_pol_route+0x56f/0x840
[ 1976.401868][   T10]      fib6_rule_lookup+0x456/0x630
[ 1976.401868][   T10]      ip6_route_input+0x59c/0xa50
[ 1976.401868][   T10]      ipv6_rcv+0x397/0x810
[ 1976.401868][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1976.401868][   T10]      process_backlog+0x101/0x620
[ 1976.401868][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1976.401868][   T10]      net_rx_action+0x495/0xbe0
[ 1976.401868][   T10]      __do_softirq+0x1b5/0x7f6
[ 1976.401868][   T10] 
[ 1976.403724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.403724][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1976.403724][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1976.403724][   T10]      fib6_nh_init+0xa22/0x1580
[ 1976.403724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.403724][   T10]      ip6_route_add+0x1c/0x140
[ 1976.403724][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1976.403724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.403724][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.403724][   T10]      netlink_unicast+0x449/0x710
[ 1976.403724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.403724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.403724][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.403724][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.403724][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.403724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.403724][   T10] 
[ 1976.405815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.405815][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.405815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.405815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.405815][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1976.405815][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1976.405815][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1976.405815][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1976.405815][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1976.405815][   T10]      addrconf_dad_begin+0x310/0x670
[ 1976.405815][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1976.405815][   T10]      process_one_work+0x84d/0x18a0
[ 1976.405815][   T10]      worker_thread+0x587/0xd30
[ 1976.405815][   T10]      kthread+0x28a/0x350
[ 1976.405815][   T10]      ret_from_fork+0x31/0x70
[ 1976.405815][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1976.405815][   T10] 
[ 1976.407870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.407870][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.407870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.407870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.407870][   T10]      ip6_route_add+0x1c/0x140
[ 1976.407870][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1976.407870][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1976.407870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.407870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.407870][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.407870][   T10]      netlink_unicast+0x449/0x710
[ 1976.407870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.407870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.407870][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.407870][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.407870][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.407870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.407870][   T10] 
[ 1976.409997][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.409997][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.409997][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.409997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.409997][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1976.409997][   T10]      ipv6_add_addr+0x411/0x2000
[ 1976.409997][   T10]      inet6_addr_add+0x30e/0xa40
[ 1976.409997][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.409997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.409997][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.409997][   T10]      netlink_unicast+0x449/0x710
[ 1976.409997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.409997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.409997][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.409997][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.409997][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.409997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.409997][   T10] 
[ 1976.412121][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.412121][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.412121][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.412121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.412121][   T10]      ip6_route_add+0x1c/0x140
[ 1976.412121][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1976.412121][   T10]      addrconf_add_dev+0xe2/0x170
[ 1976.412121][   T10]      inet6_addr_add+0x12f/0xa40
[ 1976.412121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.412121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.412121][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.412121][   T10]      netlink_unicast+0x449/0x710
[ 1976.412121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.412121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.412121][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.412121][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.412121][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.412121][   T10] 
[ 1976.414203][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.414203][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1976.414203][   T10]      ipv6_find_idev+0x102/0x170
[ 1976.414203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1976.414203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.414203][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.414203][   T10]      netlink_unicast+0x449/0x710
[ 1976.414203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.414203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.414203][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.414203][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.414203][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.414203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.414203][   T10] 
[ 1976.415855][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1976.415855][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1976.415855][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1976.415855][   T10]      ipv6_find_idev+0x102/0x170
[ 1976.415855][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1976.415855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.415855][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.415855][   T10]      netlink_unicast+0x449/0x710
[ 1976.415855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.415855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.415855][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.415855][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.415855][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.415855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.415855][   T10] 
[ 1976.417677][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1976.417944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.417944][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1976.417944][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1976.417944][   T10]      fib6_nh_init+0xa22/0x1580
[ 1976.417944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.417944][   T10]      ip6_route_add+0x1c/0x140
[ 1976.417944][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1976.417944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.417944][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.417944][   T10]      netlink_unicast+0x449/0x710
[ 1976.417944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.417944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.417944][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.417944][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.417944][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.417944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.417944][   T10] 
[ 1976.419931][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.419931][   T10]      dst_init+0x84/0x4a0
[ 1976.419931][   T10]      dst_alloc+0x97/0x150
[ 1976.419931][   T10]      ip6_dst_alloc+0x23/0x90
[ 1976.419931][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1976.419931][   T10]      ip6_pol_route+0x56f/0x840
[ 1976.419931][   T10]      fib6_rule_lookup+0x456/0x630
[ 1976.419931][   T10]      ip6_route_input+0x59c/0xa50
[ 1976.419931][   T10]      ipv6_rcv+0x397/0x810
[ 1976.419931][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1976.419931][   T10]      process_backlog+0x101/0x620
[ 1976.419931][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1976.419931][   T10]      net_rx_action+0x495/0xbe0
[ 1976.419931][   T10]      __do_softirq+0x1b5/0x7f6
[ 1976.419931][   T10] 
[ 1976.421674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.421674][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.421674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.421674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.421674][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1976.421674][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1976.421674][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1976.421674][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1976.421674][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1976.421674][   T10]      addrconf_dad_begin+0x310/0x670
[ 1976.421674][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1976.421674][   T10]      process_one_work+0x84d/0x18a0
[ 1976.421674][   T10]      worker_thread+0x587/0xd30
[ 1976.421674][   T10]      kthread+0x28a/0x350
[ 1976.421674][   T10]      ret_from_fork+0x31/0x70
[ 1976.421674][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1976.421674][   T10] 
[ 1976.423711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.423711][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.423711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.423711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.423711][   T10]      ip6_route_add+0x1c/0x140
[ 1976.423711][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1976.423711][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1976.423711][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.423711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.423711][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.423711][   T10]      netlink_unicast+0x449/0x710
[ 1976.423711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.423711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.423711][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.423711][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.423711][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.423711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.423711][   T10] 
[ 1976.425834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.425834][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.425834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.425834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.425834][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1976.425834][   T10]      ipv6_add_addr+0x411/0x2000
[ 1976.425834][   T10]      inet6_addr_add+0x30e/0xa40
[ 1976.425834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.425834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.425834][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.425834][   T10]      netlink_unicast+0x449/0x710
[ 1976.425834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.425834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.425834][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.425834][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.425834][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.425834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.425834][   T10] 
[ 1976.427952][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.427952][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.427952][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.427952][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.427952][   T10]      ip6_route_add+0x1c/0x140
[ 1976.427952][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1976.427952][   T10]      addrconf_add_dev+0xe2/0x170
[ 1976.427952][   T10]      inet6_addr_add+0x12f/0xa40
[ 1976.427952][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.427952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.427952][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.427952][   T10]      netlink_unicast+0x449/0x710
[ 1976.427952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.427952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.427952][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.427952][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.427952][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.427952][   T10] 
[ 1976.430215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.430215][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1976.430215][   T10]      ipv6_find_idev+0x102/0x170
[ 1976.430215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1976.430215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.430215][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.430215][   T10]      netlink_unicast+0x449/0x710
[ 1976.430215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.430215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.430215][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.430215][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.430215][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.430215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.430215][   T10] 
[ 1976.432080][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1976.432080][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1976.432080][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1976.432080][   T10]      ipv6_find_idev+0x102/0x170
[ 1976.432080][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1976.432080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.432080][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.432080][   T10]      netlink_unicast+0x449/0x710
[ 1976.432080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.432080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.432080][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.432080][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.432080][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.432080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.432080][   T10] 
[ 1976.434080][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1976.434333][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1976.434333][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.434333][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.434333][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.434333][   T10]      ip6_route_add+0x1c/0x140
[ 1976.434333][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1976.434333][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1976.434333][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.434333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.434333][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.434333][   T10]      netlink_unicast+0x449/0x710
[ 1976.434333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.434333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.434333][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.434333][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.434333][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.434333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.434333][   T10] 
[ 1976.437231][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1976.437231][   T10]      netdev_get_by_index+0x5e/0x80
[ 1976.437231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1976.437231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1976.437231][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1976.437231][   T10]      ipv6_add_addr+0x411/0x2000
[ 1976.437231][   T10]      inet6_addr_add+0x30e/0xa40
[ 1976.437231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1976.437231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.437231][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.437231][   T10]      netlink_unicast+0x449/0x710
[ 1976.437231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.437231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.437231][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.437231][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.437231][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.437231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.437231][   T10] 
[ 1976.439582][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1976.439582][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1976.439582][   T10]      ipv6_find_idev+0x102/0x170
[ 1976.439582][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1976.439582][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.439582][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.439582][   T10]      netlink_unicast+0x449/0x710
[ 1976.439582][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.439582][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.439582][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.439582][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.439582][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.439582][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.439582][   T10] 
[ 1976.441450][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1976.441450][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1976.441450][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1976.441450][   T10]      ipv6_find_idev+0x102/0x170
[ 1976.441450][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1976.441450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1976.441450][   T10]      netlink_rcv_skb+0x130/0x360
[ 1976.441450][   T10]      netlink_unicast+0x449/0x710
[ 1976.441450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1976.441450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1976.441450][   T10]      ___sys_sendmsg+0xee/0x170
[ 1976.441450][   T10]      __sys_sendmsg+0xcd/0x170
[ 1976.441450][   T10]      do_syscall_64+0xc6/0x1e0
[ 1976.441450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1976.441450][   T10] 
[ 1986.680768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1986.681343][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.681343][   T10]      dst_init+0x84/0x4a0
[ 1986.681343][   T10]      dst_alloc+0x97/0x150
[ 1986.681343][   T10]      ip6_dst_alloc+0x23/0x90
[ 1986.681343][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1986.681343][   T10]      ip6_pol_route+0x56f/0x840
[ 1986.681343][   T10]      fib6_rule_lookup+0x456/0x630
[ 1986.681343][   T10]      ip6_route_input+0x59c/0xa50
[ 1986.681343][   T10]      ipv6_rcv+0x397/0x810
[ 1986.681343][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1986.681343][   T10]      process_backlog+0x101/0x620
[ 1986.681343][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1986.681343][   T10]      net_rx_action+0x495/0xbe0
[ 1986.681343][   T10]      __do_softirq+0x1b5/0x7f6
[ 1986.681343][   T10] 
[ 1986.683120][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.683120][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1986.683120][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1986.683120][   T10]      fib6_nh_init+0xa22/0x1580
[ 1986.683120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.683120][   T10]      ip6_route_add+0x1c/0x140
[ 1986.683120][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1986.683120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.683120][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.683120][   T10]      netlink_unicast+0x449/0x710
[ 1986.683120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.683120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.683120][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.683120][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.683120][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.683120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.683120][   T10] 
[ 1986.685133][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.685133][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.685133][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.685133][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.685133][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1986.685133][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1986.685133][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1986.685133][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1986.685133][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1986.685133][   T10]      addrconf_dad_begin+0x310/0x670
[ 1986.685133][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1986.685133][   T10]      process_one_work+0x84d/0x18a0
[ 1986.685133][   T10]      worker_thread+0x587/0xd30
[ 1986.685133][   T10]      kthread+0x28a/0x350
[ 1986.685133][   T10]      ret_from_fork+0x31/0x70
[ 1986.685133][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1986.685133][   T10] 
[ 1986.687189][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.687189][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.687189][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.687189][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.687189][   T10]      ip6_route_add+0x1c/0x140
[ 1986.687189][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1986.687189][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1986.687189][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.687189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.687189][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.687189][   T10]      netlink_unicast+0x449/0x710
[ 1986.687189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.687189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.687189][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.687189][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.687189][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.687189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.687189][   T10] 
[ 1986.689306][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.689306][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.689306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.689306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.689306][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1986.689306][   T10]      ipv6_add_addr+0x411/0x2000
[ 1986.689306][   T10]      inet6_addr_add+0x30e/0xa40
[ 1986.689306][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.689306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.689306][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.689306][   T10]      netlink_unicast+0x449/0x710
[ 1986.689306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.689306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.689306][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.689306][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.689306][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.689306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.689306][   T10] 
[ 1986.691407][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.691407][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.691407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.691407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.691407][   T10]      ip6_route_add+0x1c/0x140
[ 1986.691407][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1986.691407][   T10]      addrconf_add_dev+0xe2/0x170
[ 1986.691407][   T10]      inet6_addr_add+0x12f/0xa40
[ 1986.691407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.691407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.691407][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.691407][   T10]      netlink_unicast+0x449/0x710
[ 1986.691407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.691407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.691407][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.691407][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.691407][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.691407][   T10] 
[ 1986.693740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.693740][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1986.693740][   T10]      ipv6_find_idev+0x102/0x170
[ 1986.693740][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1986.693740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.693740][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.693740][   T10]      netlink_unicast+0x449/0x710
[ 1986.693740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.693740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.693740][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.693740][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.693740][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.693740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.693740][   T10] 
[ 1986.695750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1986.695750][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1986.695750][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1986.695750][   T10]      ipv6_find_idev+0x102/0x170
[ 1986.695750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1986.695750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.695750][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.695750][   T10]      netlink_unicast+0x449/0x710
[ 1986.695750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.695750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.695750][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.695750][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.695750][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.695750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.695750][   T10] 
[ 1986.697896][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1986.698156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.698156][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1986.698156][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1986.698156][   T10]      fib6_nh_init+0xa22/0x1580
[ 1986.698156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.698156][   T10]      ip6_route_add+0x1c/0x140
[ 1986.698156][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1986.698156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.698156][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.698156][   T10]      netlink_unicast+0x449/0x710
[ 1986.698156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.698156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.698156][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.698156][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.698156][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.698156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.698156][   T10] 
[ 1986.700123][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.700123][   T10]      dst_init+0x84/0x4a0
[ 1986.700123][   T10]      dst_alloc+0x97/0x150
[ 1986.700123][   T10]      ip6_dst_alloc+0x23/0x90
[ 1986.700123][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1986.700123][   T10]      ip6_pol_route+0x56f/0x840
[ 1986.700123][   T10]      fib6_rule_lookup+0x456/0x630
[ 1986.700123][   T10]      ip6_route_input+0x59c/0xa50
[ 1986.700123][   T10]      ipv6_rcv+0x397/0x810
[ 1986.700123][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1986.700123][   T10]      process_backlog+0x101/0x620
[ 1986.700123][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1986.700123][   T10]      net_rx_action+0x495/0xbe0
[ 1986.700123][   T10]      __do_softirq+0x1b5/0x7f6
[ 1986.700123][   T10] 
[ 1986.701850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.701850][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.701850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.701850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.701850][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1986.701850][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1986.701850][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1986.701850][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1986.701850][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1986.701850][   T10]      addrconf_dad_begin+0x310/0x670
[ 1986.701850][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1986.701850][   T10]      process_one_work+0x84d/0x18a0
[ 1986.701850][   T10]      worker_thread+0x587/0xd30
[ 1986.701850][   T10]      kthread+0x28a/0x350
[ 1986.701850][   T10]      ret_from_fork+0x31/0x70
[ 1986.701850][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1986.701850][   T10] 
[ 1986.703848][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.703848][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.703848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.703848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.703848][   T10]      ip6_route_add+0x1c/0x140
[ 1986.703848][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1986.703848][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1986.703848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.703848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.703848][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.703848][   T10]      netlink_unicast+0x449/0x710
[ 1986.703848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.703848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.703848][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.703848][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.703848][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.703848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.703848][   T10] 
[ 1986.705940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.705940][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.705940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.705940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.705940][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1986.705940][   T10]      ipv6_add_addr+0x411/0x2000
[ 1986.705940][   T10]      inet6_addr_add+0x30e/0xa40
[ 1986.705940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.705940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.705940][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.705940][   T10]      netlink_unicast+0x449/0x710
[ 1986.705940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.705940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.705940][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.705940][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.705940][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.705940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.705940][   T10] 
[ 1986.708054][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.708054][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.708054][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.708054][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.708054][   T10]      ip6_route_add+0x1c/0x140
[ 1986.708054][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1986.708054][   T10]      addrconf_add_dev+0xe2/0x170
[ 1986.708054][   T10]      inet6_addr_add+0x12f/0xa40
[ 1986.708054][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.708054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.708054][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.708054][   T10]      netlink_unicast+0x449/0x710
[ 1986.708054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.708054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.708054][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.708054][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.708054][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.708054][   T10] 
[ 1986.710232][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.710232][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1986.710232][   T10]      ipv6_find_idev+0x102/0x170
[ 1986.710232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1986.710232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.710232][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.710232][   T10]      netlink_unicast+0x449/0x710
[ 1986.710232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.710232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.710232][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.710232][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.710232][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.710232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.710232][   T10] 
[ 1986.712019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1986.712019][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1986.712019][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1986.712019][   T10]      ipv6_find_idev+0x102/0x170
[ 1986.712019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1986.712019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.712019][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.712019][   T10]      netlink_unicast+0x449/0x710
[ 1986.712019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.712019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.712019][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.712019][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.712019][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.712019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.712019][   T10] 
[ 1986.714381][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1986.714718][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1986.714718][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.714718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.714718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.714718][   T10]      ip6_route_add+0x1c/0x140
[ 1986.714718][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1986.714718][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1986.714718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.714718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.714718][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.714718][   T10]      netlink_unicast+0x449/0x710
[ 1986.714718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.714718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.714718][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.714718][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.714718][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.714718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.714718][   T10] 
[ 1986.716993][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1986.716993][   T10]      netdev_get_by_index+0x5e/0x80
[ 1986.716993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1986.716993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1986.716993][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1986.716993][   T10]      ipv6_add_addr+0x411/0x2000
[ 1986.716993][   T10]      inet6_addr_add+0x30e/0xa40
[ 1986.716993][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1986.716993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.716993][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.716993][   T10]      netlink_unicast+0x449/0x710
[ 1986.716993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.716993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.716993][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.716993][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.716993][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.716993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.716993][   T10] 
[ 1986.719254][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1986.719254][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1986.719254][   T10]      ipv6_find_idev+0x102/0x170
[ 1986.719254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1986.719254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.719254][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.719254][   T10]      netlink_unicast+0x449/0x710
[ 1986.719254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.719254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.719254][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.719254][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.719254][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.719254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.719254][   T10] 
[ 1986.721040][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1986.721040][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1986.721040][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1986.721040][   T10]      ipv6_find_idev+0x102/0x170
[ 1986.721040][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1986.721040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1986.721040][   T10]      netlink_rcv_skb+0x130/0x360
[ 1986.721040][   T10]      netlink_unicast+0x449/0x710
[ 1986.721040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1986.721040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1986.721040][   T10]      ___sys_sendmsg+0xee/0x170
[ 1986.721040][   T10]      __sys_sendmsg+0xcd/0x170
[ 1986.721040][   T10]      do_syscall_64+0xc6/0x1e0
[ 1986.721040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1986.721040][   T10] 
[ 1996.960625][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1996.961100][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.961100][   T10]      dst_init+0x84/0x4a0
[ 1996.961100][   T10]      dst_alloc+0x97/0x150
[ 1996.961100][   T10]      ip6_dst_alloc+0x23/0x90
[ 1996.961100][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1996.961100][   T10]      ip6_pol_route+0x56f/0x840
[ 1996.961100][   T10]      fib6_rule_lookup+0x456/0x630
[ 1996.961100][   T10]      ip6_route_input+0x59c/0xa50
[ 1996.961100][   T10]      ipv6_rcv+0x397/0x810
[ 1996.961100][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1996.961100][   T10]      process_backlog+0x101/0x620
[ 1996.961100][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1996.961100][   T10]      net_rx_action+0x495/0xbe0
[ 1996.961100][   T10]      __do_softirq+0x1b5/0x7f6
[ 1996.961100][   T10] 
[ 1996.963030][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.963030][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1996.963030][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1996.963030][   T10]      fib6_nh_init+0xa22/0x1580
[ 1996.963030][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.963030][   T10]      ip6_route_add+0x1c/0x140
[ 1996.963030][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1996.963030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.963030][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.963030][   T10]      netlink_unicast+0x449/0x710
[ 1996.963030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.963030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.963030][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.963030][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.963030][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.963030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.963030][   T10] 
[ 1996.965289][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.965289][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.965289][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.965289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.965289][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1996.965289][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1996.965289][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1996.965289][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1996.965289][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1996.965289][   T10]      addrconf_dad_begin+0x310/0x670
[ 1996.965289][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1996.965289][   T10]      process_one_work+0x84d/0x18a0
[ 1996.965289][   T10]      worker_thread+0x587/0xd30
[ 1996.965289][   T10]      kthread+0x28a/0x350
[ 1996.965289][   T10]      ret_from_fork+0x31/0x70
[ 1996.965289][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1996.965289][   T10] 
[ 1996.967504][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.967504][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.967504][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.967504][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.967504][   T10]      ip6_route_add+0x1c/0x140
[ 1996.967504][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1996.967504][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1996.967504][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.967504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.967504][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.967504][   T10]      netlink_unicast+0x449/0x710
[ 1996.967504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.967504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.967504][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.967504][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.967504][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.967504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.967504][   T10] 
[ 1996.969811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.969811][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.969811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.969811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.969811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1996.969811][   T10]      ipv6_add_addr+0x411/0x2000
[ 1996.969811][   T10]      inet6_addr_add+0x30e/0xa40
[ 1996.969811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.969811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.969811][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.969811][   T10]      netlink_unicast+0x449/0x710
[ 1996.969811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.969811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.969811][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.969811][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.969811][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.969811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.969811][   T10] 
[ 1996.972115][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.972115][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.972115][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.972115][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.972115][   T10]      ip6_route_add+0x1c/0x140
[ 1996.972115][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1996.972115][   T10]      addrconf_add_dev+0xe2/0x170
[ 1996.972115][   T10]      inet6_addr_add+0x12f/0xa40
[ 1996.972115][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.972115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.972115][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.972115][   T10]      netlink_unicast+0x449/0x710
[ 1996.972115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.972115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.972115][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.972115][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.972115][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.972115][   T10] 
[ 1996.974413][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.974413][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1996.974413][   T10]      ipv6_find_idev+0x102/0x170
[ 1996.974413][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1996.974413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.974413][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.974413][   T10]      netlink_unicast+0x449/0x710
[ 1996.974413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.974413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.974413][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.974413][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.974413][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.974413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.974413][   T10] 
[ 1996.976198][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 1996.976198][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1996.976198][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1996.976198][   T10]      ipv6_find_idev+0x102/0x170
[ 1996.976198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1996.976198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.976198][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.976198][   T10]      netlink_unicast+0x449/0x710
[ 1996.976198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.976198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.976198][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.976198][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.976198][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.976198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.976198][   T10] 
[ 1996.978191][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 1996.978457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.978457][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 1996.978457][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 1996.978457][   T10]      fib6_nh_init+0xa22/0x1580
[ 1996.978457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.978457][   T10]      ip6_route_add+0x1c/0x140
[ 1996.978457][   T10]      inet6_rtm_newroute+0x104/0x110
[ 1996.978457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.978457][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.978457][   T10]      netlink_unicast+0x449/0x710
[ 1996.978457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.978457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.978457][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.978457][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.978457][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.978457][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.978457][   T10] 
[ 1996.980622][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.980622][   T10]      dst_init+0x84/0x4a0
[ 1996.980622][   T10]      dst_alloc+0x97/0x150
[ 1996.980622][   T10]      ip6_dst_alloc+0x23/0x90
[ 1996.980622][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 1996.980622][   T10]      ip6_pol_route+0x56f/0x840
[ 1996.980622][   T10]      fib6_rule_lookup+0x456/0x630
[ 1996.980622][   T10]      ip6_route_input+0x59c/0xa50
[ 1996.980622][   T10]      ipv6_rcv+0x397/0x810
[ 1996.980622][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 1996.980622][   T10]      process_backlog+0x101/0x620
[ 1996.980622][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 1996.980622][   T10]      net_rx_action+0x495/0xbe0
[ 1996.980622][   T10]      __do_softirq+0x1b5/0x7f6
[ 1996.980622][   T10] 
[ 1996.982514][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.982514][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.982514][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.982514][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.982514][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 1996.982514][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 1996.982514][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 1996.982514][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 1996.982514][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 1996.982514][   T10]      addrconf_dad_begin+0x310/0x670
[ 1996.982514][   T10]      addrconf_dad_work+0x10b/0xab0
[ 1996.982514][   T10]      process_one_work+0x84d/0x18a0
[ 1996.982514][   T10]      worker_thread+0x587/0xd30
[ 1996.982514][   T10]      kthread+0x28a/0x350
[ 1996.982514][   T10]      ret_from_fork+0x31/0x70
[ 1996.982514][   T10]      ret_from_fork_asm+0x1a/0x30
[ 1996.982514][   T10] 
[ 1996.984698][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.984698][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.984698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.984698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.984698][   T10]      ip6_route_add+0x1c/0x140
[ 1996.984698][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1996.984698][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1996.984698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.984698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.984698][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.984698][   T10]      netlink_unicast+0x449/0x710
[ 1996.984698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.984698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.984698][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.984698][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.984698][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.984698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.984698][   T10] 
[ 1996.987005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.987005][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.987005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.987005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.987005][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1996.987005][   T10]      ipv6_add_addr+0x411/0x2000
[ 1996.987005][   T10]      inet6_addr_add+0x30e/0xa40
[ 1996.987005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.987005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.987005][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.987005][   T10]      netlink_unicast+0x449/0x710
[ 1996.987005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.987005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.987005][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.987005][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.987005][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.987005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.987005][   T10] 
[ 1996.989287][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.989287][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.989287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.989287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.989287][   T10]      ip6_route_add+0x1c/0x140
[ 1996.989287][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 1996.989287][   T10]      addrconf_add_dev+0xe2/0x170
[ 1996.989287][   T10]      inet6_addr_add+0x12f/0xa40
[ 1996.989287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.989287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.989287][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.989287][   T10]      netlink_unicast+0x449/0x710
[ 1996.989287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.989287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.989287][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.989287][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.989287][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.989287][   T10] 
[ 1996.991616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.991616][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1996.991616][   T10]      ipv6_find_idev+0x102/0x170
[ 1996.991616][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1996.991616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.991616][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.991616][   T10]      netlink_unicast+0x449/0x710
[ 1996.991616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.991616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.991616][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.991616][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.991616][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.991616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.991616][   T10] 
[ 1996.993507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 1996.993507][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1996.993507][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1996.993507][   T10]      ipv6_find_idev+0x102/0x170
[ 1996.993507][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1996.993507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.993507][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.993507][   T10]      netlink_unicast+0x449/0x710
[ 1996.993507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.993507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.993507][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.993507][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.993507][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.993507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.993507][   T10] 
[ 1996.995562][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 1996.995842][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1996.995842][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.995842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.995842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.995842][   T10]      ip6_route_add+0x1c/0x140
[ 1996.995842][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 1996.995842][   T10]      inet6_addr_add+0x4f8/0xa40
[ 1996.995842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.995842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.995842][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.995842][   T10]      netlink_unicast+0x449/0x710
[ 1996.995842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.995842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.995842][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.995842][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.995842][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.995842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.995842][   T10] 
[ 1996.998263][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1996.998263][   T10]      netdev_get_by_index+0x5e/0x80
[ 1996.998263][   T10]      fib6_nh_init+0x3d8/0x1580
[ 1996.998263][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 1996.998263][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 1996.998263][   T10]      ipv6_add_addr+0x411/0x2000
[ 1996.998263][   T10]      inet6_addr_add+0x30e/0xa40
[ 1996.998263][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 1996.998263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1996.998263][   T10]      netlink_rcv_skb+0x130/0x360
[ 1996.998263][   T10]      netlink_unicast+0x449/0x710
[ 1996.998263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1996.998263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1996.998263][   T10]      ___sys_sendmsg+0xee/0x170
[ 1996.998263][   T10]      __sys_sendmsg+0xcd/0x170
[ 1996.998263][   T10]      do_syscall_64+0xc6/0x1e0
[ 1996.998263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1996.998263][   T10] 
[ 1997.000680][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1997.000680][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 1997.000680][   T10]      ipv6_find_idev+0x102/0x170
[ 1997.000680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1997.000680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1997.000680][   T10]      netlink_rcv_skb+0x130/0x360
[ 1997.000680][   T10]      netlink_unicast+0x449/0x710
[ 1997.000680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1997.000680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1997.000680][   T10]      ___sys_sendmsg+0xee/0x170
[ 1997.000680][   T10]      __sys_sendmsg+0xcd/0x170
[ 1997.000680][   T10]      do_syscall_64+0xc6/0x1e0
[ 1997.000680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1997.000680][   T10] 
[ 1997.002492][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 1997.002492][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 1997.002492][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 1997.002492][   T10]      ipv6_find_idev+0x102/0x170
[ 1997.002492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 1997.002492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 1997.002492][   T10]      netlink_rcv_skb+0x130/0x360
[ 1997.002492][   T10]      netlink_unicast+0x449/0x710
[ 1997.002492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 1997.002492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 1997.002492][   T10]      ___sys_sendmsg+0xee/0x170
[ 1997.002492][   T10]      __sys_sendmsg+0xcd/0x170
[ 1997.002492][   T10]      do_syscall_64+0xc6/0x1e0
[ 1997.002492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 1997.002492][   T10] 
[ 2007.192628][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2007.193125][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.193125][   T10]      dst_init+0x84/0x4a0
[ 2007.193125][   T10]      dst_alloc+0x97/0x150
[ 2007.193125][   T10]      ip6_dst_alloc+0x23/0x90
[ 2007.193125][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2007.193125][   T10]      ip6_pol_route+0x56f/0x840
[ 2007.193125][   T10]      fib6_rule_lookup+0x456/0x630
[ 2007.193125][   T10]      ip6_route_input+0x59c/0xa50
[ 2007.193125][   T10]      ipv6_rcv+0x397/0x810
[ 2007.193125][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2007.193125][   T10]      process_backlog+0x101/0x620
[ 2007.193125][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2007.193125][   T10]      net_rx_action+0x495/0xbe0
[ 2007.193125][   T10]      __do_softirq+0x1b5/0x7f6
[ 2007.193125][   T10] 
[ 2007.195034][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.195034][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2007.195034][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2007.195034][   T10]      fib6_nh_init+0xa22/0x1580
[ 2007.195034][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.195034][   T10]      ip6_route_add+0x1c/0x140
[ 2007.195034][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2007.195034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.195034][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.195034][   T10]      netlink_unicast+0x449/0x710
[ 2007.195034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.195034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.195034][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.195034][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.195034][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.195034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.195034][   T10] 
[ 2007.197179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.197179][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.197179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.197179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.197179][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2007.197179][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2007.197179][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2007.197179][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2007.197179][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2007.197179][   T10]      addrconf_dad_begin+0x310/0x670
[ 2007.197179][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2007.197179][   T10]      process_one_work+0x84d/0x18a0
[ 2007.197179][   T10]      worker_thread+0x587/0xd30
[ 2007.197179][   T10]      kthread+0x28a/0x350
[ 2007.197179][   T10]      ret_from_fork+0x31/0x70
[ 2007.197179][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2007.197179][   T10] 
[ 2007.199313][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.199313][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.199313][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.199313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.199313][   T10]      ip6_route_add+0x1c/0x140
[ 2007.199313][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2007.199313][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2007.199313][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.199313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.199313][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.199313][   T10]      netlink_unicast+0x449/0x710
[ 2007.199313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.199313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.199313][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.199313][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.199313][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.199313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.199313][   T10] 
[ 2007.201500][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.201500][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.201500][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.201500][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.201500][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2007.201500][   T10]      ipv6_add_addr+0x411/0x2000
[ 2007.201500][   T10]      inet6_addr_add+0x30e/0xa40
[ 2007.201500][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.201500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.201500][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.201500][   T10]      netlink_unicast+0x449/0x710
[ 2007.201500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.201500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.201500][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.201500][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.201500][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.201500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.201500][   T10] 
[ 2007.203695][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.203695][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.203695][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.203695][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.203695][   T10]      ip6_route_add+0x1c/0x140
[ 2007.203695][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2007.203695][   T10]      addrconf_add_dev+0xe2/0x170
[ 2007.203695][   T10]      inet6_addr_add+0x12f/0xa40
[ 2007.203695][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.203695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.203695][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.203695][   T10]      netlink_unicast+0x449/0x710
[ 2007.203695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.203695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.203695][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.203695][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.203695][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.203695][   T10] 
[ 2007.205877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.205877][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2007.205877][   T10]      ipv6_find_idev+0x102/0x170
[ 2007.205877][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2007.205877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.205877][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.205877][   T10]      netlink_unicast+0x449/0x710
[ 2007.205877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.205877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.205877][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.205877][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.205877][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.205877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.205877][   T10] 
[ 2007.207628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2007.207628][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2007.207628][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2007.207628][   T10]      ipv6_find_idev+0x102/0x170
[ 2007.207628][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2007.207628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.207628][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.207628][   T10]      netlink_unicast+0x449/0x710
[ 2007.207628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.207628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.207628][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.207628][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.207628][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.207628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.207628][   T10] 
[ 2007.209491][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2007.209764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.209764][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2007.209764][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2007.209764][   T10]      fib6_nh_init+0xa22/0x1580
[ 2007.209764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.209764][   T10]      ip6_route_add+0x1c/0x140
[ 2007.209764][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2007.209764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.209764][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.209764][   T10]      netlink_unicast+0x449/0x710
[ 2007.209764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.209764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.209764][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.209764][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.209764][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.209764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.209764][   T10] 
[ 2007.211860][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.211860][   T10]      dst_init+0x84/0x4a0
[ 2007.211860][   T10]      dst_alloc+0x97/0x150
[ 2007.211860][   T10]      ip6_dst_alloc+0x23/0x90
[ 2007.211860][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2007.211860][   T10]      ip6_pol_route+0x56f/0x840
[ 2007.211860][   T10]      fib6_rule_lookup+0x456/0x630
[ 2007.211860][   T10]      ip6_route_input+0x59c/0xa50
[ 2007.211860][   T10]      ipv6_rcv+0x397/0x810
[ 2007.211860][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2007.211860][   T10]      process_backlog+0x101/0x620
[ 2007.211860][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2007.211860][   T10]      net_rx_action+0x495/0xbe0
[ 2007.211860][   T10]      __do_softirq+0x1b5/0x7f6
[ 2007.211860][   T10] 
[ 2007.213689][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.213689][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.213689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.213689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.213689][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2007.213689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2007.213689][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2007.213689][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2007.213689][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2007.213689][   T10]      addrconf_dad_begin+0x310/0x670
[ 2007.213689][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2007.213689][   T10]      process_one_work+0x84d/0x18a0
[ 2007.213689][   T10]      worker_thread+0x587/0xd30
[ 2007.213689][   T10]      kthread+0x28a/0x350
[ 2007.213689][   T10]      ret_from_fork+0x31/0x70
[ 2007.213689][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2007.213689][   T10] 
[ 2007.215809][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.215809][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.215809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.215809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.215809][   T10]      ip6_route_add+0x1c/0x140
[ 2007.215809][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2007.215809][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2007.215809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.215809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.215809][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.215809][   T10]      netlink_unicast+0x449/0x710
[ 2007.215809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.215809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.215809][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.215809][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.215809][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.215809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.215809][   T10] 
[ 2007.218016][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.218016][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.218016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.218016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.218016][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2007.218016][   T10]      ipv6_add_addr+0x411/0x2000
[ 2007.218016][   T10]      inet6_addr_add+0x30e/0xa40
[ 2007.218016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.218016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.218016][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.218016][   T10]      netlink_unicast+0x449/0x710
[ 2007.218016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.218016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.218016][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.218016][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.218016][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.218016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.218016][   T10] 
[ 2007.220208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.220208][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.220208][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.220208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.220208][   T10]      ip6_route_add+0x1c/0x140
[ 2007.220208][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2007.220208][   T10]      addrconf_add_dev+0xe2/0x170
[ 2007.220208][   T10]      inet6_addr_add+0x12f/0xa40
[ 2007.220208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.220208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.220208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.220208][   T10]      netlink_unicast+0x449/0x710
[ 2007.220208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.220208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.220208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.220208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.220208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.220208][   T10] 
[ 2007.222441][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.222441][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2007.222441][   T10]      ipv6_find_idev+0x102/0x170
[ 2007.222441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2007.222441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.222441][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.222441][   T10]      netlink_unicast+0x449/0x710
[ 2007.222441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.222441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.222441][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.222441][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.222441][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.222441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.222441][   T10] 
[ 2007.224260][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2007.224260][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2007.224260][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2007.224260][   T10]      ipv6_find_idev+0x102/0x170
[ 2007.224260][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2007.224260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.224260][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.224260][   T10]      netlink_unicast+0x449/0x710
[ 2007.224260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.224260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.224260][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.224260][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.224260][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.224260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.224260][   T10] 
[ 2007.226283][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2007.226552][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2007.226552][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.226552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.226552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.226552][   T10]      ip6_route_add+0x1c/0x140
[ 2007.226552][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2007.226552][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2007.226552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.226552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.226552][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.226552][   T10]      netlink_unicast+0x449/0x710
[ 2007.226552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.226552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.226552][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.226552][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.226552][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.226552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.226552][   T10] 
[ 2007.228927][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2007.228927][   T10]      netdev_get_by_index+0x5e/0x80
[ 2007.228927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2007.228927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2007.228927][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2007.228927][   T10]      ipv6_add_addr+0x411/0x2000
[ 2007.228927][   T10]      inet6_addr_add+0x30e/0xa40
[ 2007.228927][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2007.228927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.228927][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.228927][   T10]      netlink_unicast+0x449/0x710
[ 2007.228927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.228927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.228927][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.228927][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.228927][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.228927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.228927][   T10] 
[ 2007.231421][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2007.231421][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2007.231421][   T10]      ipv6_find_idev+0x102/0x170
[ 2007.231421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2007.231421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.231421][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.231421][   T10]      netlink_unicast+0x449/0x710
[ 2007.231421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.231421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.231421][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.231421][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.231421][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.231421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.231421][   T10] 
[ 2007.233249][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2007.233249][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2007.233249][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2007.233249][   T10]      ipv6_find_idev+0x102/0x170
[ 2007.233249][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2007.233249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2007.233249][   T10]      netlink_rcv_skb+0x130/0x360
[ 2007.233249][   T10]      netlink_unicast+0x449/0x710
[ 2007.233249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2007.233249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2007.233249][   T10]      ___sys_sendmsg+0xee/0x170
[ 2007.233249][   T10]      __sys_sendmsg+0xcd/0x170
[ 2007.233249][   T10]      do_syscall_64+0xc6/0x1e0
[ 2007.233249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2007.233249][   T10] 
[ 2017.488614][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2017.489121][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.489121][   T10]      dst_init+0x84/0x4a0
[ 2017.489121][   T10]      dst_alloc+0x97/0x150
[ 2017.489121][   T10]      ip6_dst_alloc+0x23/0x90
[ 2017.489121][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2017.489121][   T10]      ip6_pol_route+0x56f/0x840
[ 2017.489121][   T10]      fib6_rule_lookup+0x456/0x630
[ 2017.489121][   T10]      ip6_route_input+0x59c/0xa50
[ 2017.489121][   T10]      ipv6_rcv+0x397/0x810
[ 2017.489121][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2017.489121][   T10]      process_backlog+0x101/0x620
[ 2017.489121][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2017.489121][   T10]      net_rx_action+0x495/0xbe0
[ 2017.489121][   T10]      __do_softirq+0x1b5/0x7f6
[ 2017.489121][   T10] 
[ 2017.491088][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.491088][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2017.491088][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2017.491088][   T10]      fib6_nh_init+0xa22/0x1580
[ 2017.491088][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.491088][   T10]      ip6_route_add+0x1c/0x140
[ 2017.491088][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2017.491088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.491088][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.491088][   T10]      netlink_unicast+0x449/0x710
[ 2017.491088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.491088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.491088][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.491088][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.491088][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.491088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.491088][   T10] 
[ 2017.493315][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.493315][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.493315][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.493315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.493315][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2017.493315][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2017.493315][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2017.493315][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2017.493315][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2017.493315][   T10]      addrconf_dad_begin+0x310/0x670
[ 2017.493315][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2017.493315][   T10]      process_one_work+0x84d/0x18a0
[ 2017.493315][   T10]      worker_thread+0x587/0xd30
[ 2017.493315][   T10]      kthread+0x28a/0x350
[ 2017.493315][   T10]      ret_from_fork+0x31/0x70
[ 2017.493315][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2017.493315][   T10] 
[ 2017.495527][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.495527][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.495527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.495527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.495527][   T10]      ip6_route_add+0x1c/0x140
[ 2017.495527][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2017.495527][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2017.495527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.495527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.495527][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.495527][   T10]      netlink_unicast+0x449/0x710
[ 2017.495527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.495527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.495527][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.495527][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.495527][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.495527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.495527][   T10] 
[ 2017.497860][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.497860][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.497860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.497860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.497860][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2017.497860][   T10]      ipv6_add_addr+0x411/0x2000
[ 2017.497860][   T10]      inet6_addr_add+0x30e/0xa40
[ 2017.497860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.497860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.497860][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.497860][   T10]      netlink_unicast+0x449/0x710
[ 2017.497860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.497860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.497860][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.497860][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.497860][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.497860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.497860][   T10] 
[ 2017.500193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.500193][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.500193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.500193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.500193][   T10]      ip6_route_add+0x1c/0x140
[ 2017.500193][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2017.500193][   T10]      addrconf_add_dev+0xe2/0x170
[ 2017.500193][   T10]      inet6_addr_add+0x12f/0xa40
[ 2017.500193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.500193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.500193][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.500193][   T10]      netlink_unicast+0x449/0x710
[ 2017.500193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.500193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.500193][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.500193][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.500193][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.500193][   T10] 
[ 2017.502473][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.502473][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2017.502473][   T10]      ipv6_find_idev+0x102/0x170
[ 2017.502473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2017.502473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.502473][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.502473][   T10]      netlink_unicast+0x449/0x710
[ 2017.502473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.502473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.502473][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.502473][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.502473][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.502473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.502473][   T10] 
[ 2017.504228][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2017.504228][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2017.504228][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2017.504228][   T10]      ipv6_find_idev+0x102/0x170
[ 2017.504228][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2017.504228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.504228][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.504228][   T10]      netlink_unicast+0x449/0x710
[ 2017.504228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.504228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.504228][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.504228][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.504228][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.504228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.504228][   T10] 
[ 2017.506159][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2017.506426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.506426][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2017.506426][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2017.506426][   T10]      fib6_nh_init+0xa22/0x1580
[ 2017.506426][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.506426][   T10]      ip6_route_add+0x1c/0x140
[ 2017.506426][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2017.506426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.506426][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.506426][   T10]      netlink_unicast+0x449/0x710
[ 2017.506426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.506426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.506426][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.506426][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.506426][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.506426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.506426][   T10] 
[ 2017.508583][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.508583][   T10]      dst_init+0x84/0x4a0
[ 2017.508583][   T10]      dst_alloc+0x97/0x150
[ 2017.508583][   T10]      ip6_dst_alloc+0x23/0x90
[ 2017.508583][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2017.508583][   T10]      ip6_pol_route+0x56f/0x840
[ 2017.508583][   T10]      fib6_rule_lookup+0x456/0x630
[ 2017.508583][   T10]      ip6_route_input+0x59c/0xa50
[ 2017.508583][   T10]      ipv6_rcv+0x397/0x810
[ 2017.508583][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2017.508583][   T10]      process_backlog+0x101/0x620
[ 2017.508583][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2017.508583][   T10]      net_rx_action+0x495/0xbe0
[ 2017.508583][   T10]      __do_softirq+0x1b5/0x7f6
[ 2017.508583][   T10] 
[ 2017.510482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.510482][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.510482][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.510482][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.510482][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2017.510482][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2017.510482][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2017.510482][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2017.510482][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2017.510482][   T10]      addrconf_dad_begin+0x310/0x670
[ 2017.510482][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2017.510482][   T10]      process_one_work+0x84d/0x18a0
[ 2017.510482][   T10]      worker_thread+0x587/0xd30
[ 2017.510482][   T10]      kthread+0x28a/0x350
[ 2017.510482][   T10]      ret_from_fork+0x31/0x70
[ 2017.510482][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2017.510482][   T10] 
[ 2017.512701][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.512701][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.512701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.512701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.512701][   T10]      ip6_route_add+0x1c/0x140
[ 2017.512701][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2017.512701][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2017.512701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.512701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.512701][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.512701][   T10]      netlink_unicast+0x449/0x710
[ 2017.512701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.512701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.512701][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.512701][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.512701][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.512701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.512701][   T10] 
[ 2017.514969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.514969][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.514969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.514969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.514969][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2017.514969][   T10]      ipv6_add_addr+0x411/0x2000
[ 2017.514969][   T10]      inet6_addr_add+0x30e/0xa40
[ 2017.514969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.514969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.514969][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.514969][   T10]      netlink_unicast+0x449/0x710
[ 2017.514969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.514969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.514969][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.514969][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.514969][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.514969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.514969][   T10] 
[ 2017.517294][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.517294][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.517294][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.517294][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.517294][   T10]      ip6_route_add+0x1c/0x140
[ 2017.517294][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2017.517294][   T10]      addrconf_add_dev+0xe2/0x170
[ 2017.517294][   T10]      inet6_addr_add+0x12f/0xa40
[ 2017.517294][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.517294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.517294][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.517294][   T10]      netlink_unicast+0x449/0x710
[ 2017.517294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.517294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.517294][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.517294][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.517294][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.517294][   T10] 
[ 2017.519649][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.519649][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2017.519649][   T10]      ipv6_find_idev+0x102/0x170
[ 2017.519649][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2017.519649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.519649][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.519649][   T10]      netlink_unicast+0x449/0x710
[ 2017.519649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.519649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.519649][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.519649][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.519649][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.519649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.519649][   T10] 
[ 2017.521592][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2017.521592][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2017.521592][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2017.521592][   T10]      ipv6_find_idev+0x102/0x170
[ 2017.521592][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2017.521592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.521592][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.521592][   T10]      netlink_unicast+0x449/0x710
[ 2017.521592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.521592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.521592][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.521592][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.521592][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.521592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.521592][   T10] 
[ 2017.523705][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2017.523971][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2017.523971][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.523971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.523971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.523971][   T10]      ip6_route_add+0x1c/0x140
[ 2017.523971][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2017.523971][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2017.523971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.523971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.523971][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.523971][   T10]      netlink_unicast+0x449/0x710
[ 2017.523971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.523971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.523971][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.523971][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.523971][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.523971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.523971][   T10] 
[ 2017.526404][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2017.526404][   T10]      netdev_get_by_index+0x5e/0x80
[ 2017.526404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2017.526404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2017.526404][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2017.526404][   T10]      ipv6_add_addr+0x411/0x2000
[ 2017.526404][   T10]      inet6_addr_add+0x30e/0xa40
[ 2017.526404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2017.526404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.526404][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.526404][   T10]      netlink_unicast+0x449/0x710
[ 2017.526404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.526404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.526404][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.526404][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.526404][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.526404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.526404][   T10] 
[ 2017.528870][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2017.528870][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2017.528870][   T10]      ipv6_find_idev+0x102/0x170
[ 2017.528870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2017.528870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.528870][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.528870][   T10]      netlink_unicast+0x449/0x710
[ 2017.528870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.528870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.528870][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.528870][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.528870][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.528870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.528870][   T10] 
[ 2017.530825][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2017.530825][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2017.530825][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2017.530825][   T10]      ipv6_find_idev+0x102/0x170
[ 2017.530825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2017.530825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2017.530825][   T10]      netlink_rcv_skb+0x130/0x360
[ 2017.530825][   T10]      netlink_unicast+0x449/0x710
[ 2017.530825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2017.530825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2017.530825][   T10]      ___sys_sendmsg+0xee/0x170
[ 2017.530825][   T10]      __sys_sendmsg+0xcd/0x170
[ 2017.530825][   T10]      do_syscall_64+0xc6/0x1e0
[ 2017.530825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2017.530825][   T10] 
[ 2027.784840][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2027.785884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.785884][   T10]      dst_init+0x84/0x4a0
[ 2027.785884][   T10]      dst_alloc+0x97/0x150
[ 2027.785884][   T10]      ip6_dst_alloc+0x23/0x90
[ 2027.785884][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2027.785884][   T10]      ip6_pol_route+0x56f/0x840
[ 2027.785884][   T10]      fib6_rule_lookup+0x456/0x630
[ 2027.785884][   T10]      ip6_route_input+0x59c/0xa50
[ 2027.785884][   T10]      ipv6_rcv+0x397/0x810
[ 2027.785884][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2027.785884][   T10]      process_backlog+0x101/0x620
[ 2027.785884][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2027.785884][   T10]      net_rx_action+0x495/0xbe0
[ 2027.785884][   T10]      __do_softirq+0x1b5/0x7f6
[ 2027.785884][   T10] 
[ 2027.787648][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.787648][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2027.787648][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2027.787648][   T10]      fib6_nh_init+0xa22/0x1580
[ 2027.787648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.787648][   T10]      ip6_route_add+0x1c/0x140
[ 2027.787648][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2027.787648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.787648][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.787648][   T10]      netlink_unicast+0x449/0x710
[ 2027.787648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.787648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.787648][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.787648][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.787648][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.787648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.787648][   T10] 
[ 2027.789681][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.789681][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.789681][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.789681][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.789681][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2027.789681][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2027.789681][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2027.789681][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2027.789681][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2027.789681][   T10]      addrconf_dad_begin+0x310/0x670
[ 2027.789681][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2027.789681][   T10]      process_one_work+0x84d/0x18a0
[ 2027.789681][   T10]      worker_thread+0x587/0xd30
[ 2027.789681][   T10]      kthread+0x28a/0x350
[ 2027.789681][   T10]      ret_from_fork+0x31/0x70
[ 2027.789681][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2027.789681][   T10] 
[ 2027.791638][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.791638][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.791638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.791638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.791638][   T10]      ip6_route_add+0x1c/0x140
[ 2027.791638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2027.791638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2027.791638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.791638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.791638][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.791638][   T10]      netlink_unicast+0x449/0x710
[ 2027.791638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.791638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.791638][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.791638][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.791638][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.791638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.791638][   T10] 
[ 2027.793654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.793654][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.793654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.793654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.793654][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2027.793654][   T10]      ipv6_add_addr+0x411/0x2000
[ 2027.793654][   T10]      inet6_addr_add+0x30e/0xa40
[ 2027.793654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.793654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.793654][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.793654][   T10]      netlink_unicast+0x449/0x710
[ 2027.793654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.793654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.793654][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.793654][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.793654][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.793654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.793654][   T10] 
[ 2027.795682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.795682][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.795682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.795682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.795682][   T10]      ip6_route_add+0x1c/0x140
[ 2027.795682][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2027.795682][   T10]      addrconf_add_dev+0xe2/0x170
[ 2027.795682][   T10]      inet6_addr_add+0x12f/0xa40
[ 2027.795682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.795682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.795682][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.795682][   T10]      netlink_unicast+0x449/0x710
[ 2027.795682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.795682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.795682][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.795682][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.795682][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.795682][   T10] 
[ 2027.797702][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.797702][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2027.797702][   T10]      ipv6_find_idev+0x102/0x170
[ 2027.797702][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2027.797702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.797702][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.797702][   T10]      netlink_unicast+0x449/0x710
[ 2027.797702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.797702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.797702][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.797702][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.797702][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.797702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.797702][   T10] 
[ 2027.799224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2027.799224][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2027.799224][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2027.799224][   T10]      ipv6_find_idev+0x102/0x170
[ 2027.799224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2027.799224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.799224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.799224][   T10]      netlink_unicast+0x449/0x710
[ 2027.799224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.799224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.799224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.799224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.799224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.799224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.799224][   T10] 
[ 2027.800995][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2027.801256][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.801256][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2027.801256][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2027.801256][   T10]      fib6_nh_init+0xa22/0x1580
[ 2027.801256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.801256][   T10]      ip6_route_add+0x1c/0x140
[ 2027.801256][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2027.801256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.801256][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.801256][   T10]      netlink_unicast+0x449/0x710
[ 2027.801256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.801256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.801256][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.801256][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.801256][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.801256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.801256][   T10] 
[ 2027.803221][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.803221][   T10]      dst_init+0x84/0x4a0
[ 2027.803221][   T10]      dst_alloc+0x97/0x150
[ 2027.803221][   T10]      ip6_dst_alloc+0x23/0x90
[ 2027.803221][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2027.803221][   T10]      ip6_pol_route+0x56f/0x840
[ 2027.803221][   T10]      fib6_rule_lookup+0x456/0x630
[ 2027.803221][   T10]      ip6_route_input+0x59c/0xa50
[ 2027.803221][   T10]      ipv6_rcv+0x397/0x810
[ 2027.803221][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2027.803221][   T10]      process_backlog+0x101/0x620
[ 2027.803221][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2027.803221][   T10]      net_rx_action+0x495/0xbe0
[ 2027.803221][   T10]      __do_softirq+0x1b5/0x7f6
[ 2027.803221][   T10] 
[ 2027.804877][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.804877][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.804877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.804877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.804877][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2027.804877][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2027.804877][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2027.804877][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2027.804877][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2027.804877][   T10]      addrconf_dad_begin+0x310/0x670
[ 2027.804877][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2027.804877][   T10]      process_one_work+0x84d/0x18a0
[ 2027.804877][   T10]      worker_thread+0x587/0xd30
[ 2027.804877][   T10]      kthread+0x28a/0x350
[ 2027.804877][   T10]      ret_from_fork+0x31/0x70
[ 2027.804877][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2027.804877][   T10] 
[ 2027.806909][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.806909][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.806909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.806909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.806909][   T10]      ip6_route_add+0x1c/0x140
[ 2027.806909][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2027.806909][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2027.806909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.806909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.806909][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.806909][   T10]      netlink_unicast+0x449/0x710
[ 2027.806909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.806909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.806909][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.806909][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.806909][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.806909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.806909][   T10] 
[ 2027.808995][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.808995][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.808995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.808995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.808995][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2027.808995][   T10]      ipv6_add_addr+0x411/0x2000
[ 2027.808995][   T10]      inet6_addr_add+0x30e/0xa40
[ 2027.808995][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.808995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.808995][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.808995][   T10]      netlink_unicast+0x449/0x710
[ 2027.808995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.808995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.808995][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.808995][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.808995][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.808995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.808995][   T10] 
[ 2027.811118][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.811118][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.811118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.811118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.811118][   T10]      ip6_route_add+0x1c/0x140
[ 2027.811118][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2027.811118][   T10]      addrconf_add_dev+0xe2/0x170
[ 2027.811118][   T10]      inet6_addr_add+0x12f/0xa40
[ 2027.811118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.811118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.811118][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.811118][   T10]      netlink_unicast+0x449/0x710
[ 2027.811118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.811118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.811118][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.811118][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.811118][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.811118][   T10] 
[ 2027.813301][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.813301][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2027.813301][   T10]      ipv6_find_idev+0x102/0x170
[ 2027.813301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2027.813301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.813301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.813301][   T10]      netlink_unicast+0x449/0x710
[ 2027.813301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.813301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.813301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.813301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.813301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.813301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.813301][   T10] 
[ 2027.815182][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2027.815182][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2027.815182][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2027.815182][   T10]      ipv6_find_idev+0x102/0x170
[ 2027.815182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2027.815182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.815182][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.815182][   T10]      netlink_unicast+0x449/0x710
[ 2027.815182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.815182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.815182][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.815182][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.815182][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.815182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.815182][   T10] 
[ 2027.817241][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2027.817508][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2027.817508][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.817508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.817508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.817508][   T10]      ip6_route_add+0x1c/0x140
[ 2027.817508][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2027.817508][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2027.817508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.817508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.817508][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.817508][   T10]      netlink_unicast+0x449/0x710
[ 2027.817508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.817508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.817508][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.817508][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.817508][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.817508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.817508][   T10] 
[ 2027.819892][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2027.819892][   T10]      netdev_get_by_index+0x5e/0x80
[ 2027.819892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2027.819892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2027.819892][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2027.819892][   T10]      ipv6_add_addr+0x411/0x2000
[ 2027.819892][   T10]      inet6_addr_add+0x30e/0xa40
[ 2027.819892][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2027.819892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.819892][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.819892][   T10]      netlink_unicast+0x449/0x710
[ 2027.819892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.819892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.819892][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.819892][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.819892][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.819892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.819892][   T10] 
[ 2027.822282][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2027.822282][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2027.822282][   T10]      ipv6_find_idev+0x102/0x170
[ 2027.822282][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2027.822282][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.822282][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.822282][   T10]      netlink_unicast+0x449/0x710
[ 2027.822282][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.822282][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.822282][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.822282][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.822282][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.822282][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.822282][   T10] 
[ 2027.824094][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2027.824094][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2027.824094][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2027.824094][   T10]      ipv6_find_idev+0x102/0x170
[ 2027.824094][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2027.824094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2027.824094][   T10]      netlink_rcv_skb+0x130/0x360
[ 2027.824094][   T10]      netlink_unicast+0x449/0x710
[ 2027.824094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2027.824094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2027.824094][   T10]      ___sys_sendmsg+0xee/0x170
[ 2027.824094][   T10]      __sys_sendmsg+0xcd/0x170
[ 2027.824094][   T10]      do_syscall_64+0xc6/0x1e0
[ 2027.824094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2027.824094][   T10] 
[ 2038.080785][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2038.081849][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.081849][   T10]      dst_init+0x84/0x4a0
[ 2038.081849][   T10]      dst_alloc+0x97/0x150
[ 2038.081849][   T10]      ip6_dst_alloc+0x23/0x90
[ 2038.081849][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2038.081849][   T10]      ip6_pol_route+0x56f/0x840
[ 2038.081849][   T10]      fib6_rule_lookup+0x456/0x630
[ 2038.081849][   T10]      ip6_route_input+0x59c/0xa50
[ 2038.081849][   T10]      ipv6_rcv+0x397/0x810
[ 2038.081849][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2038.081849][   T10]      process_backlog+0x101/0x620
[ 2038.081849][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2038.081849][   T10]      net_rx_action+0x495/0xbe0
[ 2038.081849][   T10]      __do_softirq+0x1b5/0x7f6
[ 2038.081849][   T10] 
[ 2038.083742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.083742][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2038.083742][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2038.083742][   T10]      fib6_nh_init+0xa22/0x1580
[ 2038.083742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.083742][   T10]      ip6_route_add+0x1c/0x140
[ 2038.083742][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2038.083742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.083742][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.083742][   T10]      netlink_unicast+0x449/0x710
[ 2038.083742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.083742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.083742][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.083742][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.083742][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.083742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.083742][   T10] 
[ 2038.085722][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.085722][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.085722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.085722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.085722][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2038.085722][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2038.085722][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2038.085722][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2038.085722][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2038.085722][   T10]      addrconf_dad_begin+0x310/0x670
[ 2038.085722][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2038.085722][   T10]      process_one_work+0x84d/0x18a0
[ 2038.085722][   T10]      worker_thread+0x587/0xd30
[ 2038.085722][   T10]      kthread+0x28a/0x350
[ 2038.085722][   T10]      ret_from_fork+0x31/0x70
[ 2038.085722][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2038.085722][   T10] 
[ 2038.087781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.087781][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.087781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.087781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.087781][   T10]      ip6_route_add+0x1c/0x140
[ 2038.087781][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2038.087781][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2038.087781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.087781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.087781][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.087781][   T10]      netlink_unicast+0x449/0x710
[ 2038.087781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.087781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.087781][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.087781][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.087781][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.087781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.087781][   T10] 
[ 2038.089918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.089918][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.089918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.089918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.089918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2038.089918][   T10]      ipv6_add_addr+0x411/0x2000
[ 2038.089918][   T10]      inet6_addr_add+0x30e/0xa40
[ 2038.089918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.089918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.089918][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.089918][   T10]      netlink_unicast+0x449/0x710
[ 2038.089918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.089918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.089918][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.089918][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.089918][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.089918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.089918][   T10] 
[ 2038.092003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.092003][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.092003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.092003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.092003][   T10]      ip6_route_add+0x1c/0x140
[ 2038.092003][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2038.092003][   T10]      addrconf_add_dev+0xe2/0x170
[ 2038.092003][   T10]      inet6_addr_add+0x12f/0xa40
[ 2038.092003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.092003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.092003][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.092003][   T10]      netlink_unicast+0x449/0x710
[ 2038.092003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.092003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.092003][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.092003][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.092003][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.092003][   T10] 
[ 2038.094088][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.094088][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2038.094088][   T10]      ipv6_find_idev+0x102/0x170
[ 2038.094088][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2038.094088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.094088][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.094088][   T10]      netlink_unicast+0x449/0x710
[ 2038.094088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.094088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.094088][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.094088][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.094088][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.094088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.094088][   T10] 
[ 2038.095688][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2038.095688][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2038.095688][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2038.095688][   T10]      ipv6_find_idev+0x102/0x170
[ 2038.095688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2038.095688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.095688][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.095688][   T10]      netlink_unicast+0x449/0x710
[ 2038.095688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.095688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.095688][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.095688][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.095688][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.095688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.095688][   T10] 
[ 2038.097531][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2038.097801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.097801][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2038.097801][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2038.097801][   T10]      fib6_nh_init+0xa22/0x1580
[ 2038.097801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.097801][   T10]      ip6_route_add+0x1c/0x140
[ 2038.097801][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2038.097801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.097801][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.097801][   T10]      netlink_unicast+0x449/0x710
[ 2038.097801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.097801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.097801][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.097801][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.097801][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.097801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.097801][   T10] 
[ 2038.099792][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.099792][   T10]      dst_init+0x84/0x4a0
[ 2038.099792][   T10]      dst_alloc+0x97/0x150
[ 2038.099792][   T10]      ip6_dst_alloc+0x23/0x90
[ 2038.099792][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2038.099792][   T10]      ip6_pol_route+0x56f/0x840
[ 2038.099792][   T10]      fib6_rule_lookup+0x456/0x630
[ 2038.099792][   T10]      ip6_route_input+0x59c/0xa50
[ 2038.099792][   T10]      ipv6_rcv+0x397/0x810
[ 2038.099792][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2038.099792][   T10]      process_backlog+0x101/0x620
[ 2038.099792][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2038.099792][   T10]      net_rx_action+0x495/0xbe0
[ 2038.099792][   T10]      __do_softirq+0x1b5/0x7f6
[ 2038.099792][   T10] 
[ 2038.101524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.101524][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.101524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.101524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.101524][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2038.101524][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2038.101524][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2038.101524][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2038.101524][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2038.101524][   T10]      addrconf_dad_begin+0x310/0x670
[ 2038.101524][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2038.101524][   T10]      process_one_work+0x84d/0x18a0
[ 2038.101524][   T10]      worker_thread+0x587/0xd30
[ 2038.101524][   T10]      kthread+0x28a/0x350
[ 2038.101524][   T10]      ret_from_fork+0x31/0x70
[ 2038.101524][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2038.101524][   T10] 
[ 2038.103570][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.103570][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.103570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.103570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.103570][   T10]      ip6_route_add+0x1c/0x140
[ 2038.103570][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2038.103570][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2038.103570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.103570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.103570][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.103570][   T10]      netlink_unicast+0x449/0x710
[ 2038.103570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.103570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.103570][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.103570][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.103570][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.103570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.103570][   T10] 
[ 2038.105683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.105683][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.105683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.105683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.105683][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2038.105683][   T10]      ipv6_add_addr+0x411/0x2000
[ 2038.105683][   T10]      inet6_addr_add+0x30e/0xa40
[ 2038.105683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.105683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.105683][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.105683][   T10]      netlink_unicast+0x449/0x710
[ 2038.105683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.105683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.105683][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.105683][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.105683][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.105683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.105683][   T10] 
[ 2038.107810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.107810][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.107810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.107810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.107810][   T10]      ip6_route_add+0x1c/0x140
[ 2038.107810][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2038.107810][   T10]      addrconf_add_dev+0xe2/0x170
[ 2038.107810][   T10]      inet6_addr_add+0x12f/0xa40
[ 2038.107810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.107810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.107810][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.107810][   T10]      netlink_unicast+0x449/0x710
[ 2038.107810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.107810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.107810][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.107810][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.107810][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.107810][   T10] 
[ 2038.110120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.110120][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2038.110120][   T10]      ipv6_find_idev+0x102/0x170
[ 2038.110120][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2038.110120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.110120][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.110120][   T10]      netlink_unicast+0x449/0x710
[ 2038.110120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.110120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.110120][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.110120][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.110120][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.110120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.110120][   T10] 
[ 2038.111991][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2038.111991][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2038.111991][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2038.111991][   T10]      ipv6_find_idev+0x102/0x170
[ 2038.111991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2038.111991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.111991][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.111991][   T10]      netlink_unicast+0x449/0x710
[ 2038.111991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.111991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.111991][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.111991][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.111991][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.111991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.111991][   T10] 
[ 2038.113991][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2038.114251][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2038.114251][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.114251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.114251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.114251][   T10]      ip6_route_add+0x1c/0x140
[ 2038.114251][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2038.114251][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2038.114251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.114251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.114251][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.114251][   T10]      netlink_unicast+0x449/0x710
[ 2038.114251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.114251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.114251][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.114251][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.114251][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.114251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.114251][   T10] 
[ 2038.116619][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2038.116619][   T10]      netdev_get_by_index+0x5e/0x80
[ 2038.116619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2038.116619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2038.116619][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2038.116619][   T10]      ipv6_add_addr+0x411/0x2000
[ 2038.116619][   T10]      inet6_addr_add+0x30e/0xa40
[ 2038.116619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2038.116619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.116619][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.116619][   T10]      netlink_unicast+0x449/0x710
[ 2038.116619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.116619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.116619][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.116619][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.116619][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.116619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.116619][   T10] 
[ 2038.118989][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2038.118989][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2038.118989][   T10]      ipv6_find_idev+0x102/0x170
[ 2038.118989][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2038.118989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.118989][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.118989][   T10]      netlink_unicast+0x449/0x710
[ 2038.118989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.118989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.118989][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.118989][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.118989][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.118989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.118989][   T10] 
[ 2038.120859][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2038.120859][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2038.120859][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2038.120859][   T10]      ipv6_find_idev+0x102/0x170
[ 2038.120859][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2038.120859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2038.120859][   T10]      netlink_rcv_skb+0x130/0x360
[ 2038.120859][   T10]      netlink_unicast+0x449/0x710
[ 2038.120859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2038.120859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2038.120859][   T10]      ___sys_sendmsg+0xee/0x170
[ 2038.120859][   T10]      __sys_sendmsg+0xcd/0x170
[ 2038.120859][   T10]      do_syscall_64+0xc6/0x1e0
[ 2038.120859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2038.120859][   T10] 
[ 2048.288776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2048.289335][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.289335][   T10]      dst_init+0x84/0x4a0
[ 2048.289335][   T10]      dst_alloc+0x97/0x150
[ 2048.289335][   T10]      ip6_dst_alloc+0x23/0x90
[ 2048.289335][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2048.289335][   T10]      ip6_pol_route+0x56f/0x840
[ 2048.289335][   T10]      fib6_rule_lookup+0x456/0x630
[ 2048.289335][   T10]      ip6_route_input+0x59c/0xa50
[ 2048.289335][   T10]      ipv6_rcv+0x397/0x810
[ 2048.289335][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2048.289335][   T10]      process_backlog+0x101/0x620
[ 2048.289335][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2048.289335][   T10]      net_rx_action+0x495/0xbe0
[ 2048.289335][   T10]      __do_softirq+0x1b5/0x7f6
[ 2048.289335][   T10] 
[ 2048.290977][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.290977][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2048.290977][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2048.290977][   T10]      fib6_nh_init+0xa22/0x1580
[ 2048.290977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.290977][   T10]      ip6_route_add+0x1c/0x140
[ 2048.290977][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2048.290977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.290977][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.290977][   T10]      netlink_unicast+0x449/0x710
[ 2048.290977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.290977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.290977][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.290977][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.290977][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.290977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.290977][   T10] 
[ 2048.292888][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.292888][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.292888][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.292888][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.292888][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2048.292888][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2048.292888][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2048.292888][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2048.292888][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2048.292888][   T10]      addrconf_dad_begin+0x310/0x670
[ 2048.292888][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2048.292888][   T10]      process_one_work+0x84d/0x18a0
[ 2048.292888][   T10]      worker_thread+0x587/0xd30
[ 2048.292888][   T10]      kthread+0x28a/0x350
[ 2048.292888][   T10]      ret_from_fork+0x31/0x70
[ 2048.292888][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2048.292888][   T10] 
[ 2048.294887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.294887][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.294887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.294887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.294887][   T10]      ip6_route_add+0x1c/0x140
[ 2048.294887][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2048.294887][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2048.294887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.294887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.294887][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.294887][   T10]      netlink_unicast+0x449/0x710
[ 2048.294887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.294887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.294887][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.294887][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.294887][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.294887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.294887][   T10] 
[ 2048.296950][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.296950][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.296950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.296950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.296950][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2048.296950][   T10]      ipv6_add_addr+0x411/0x2000
[ 2048.296950][   T10]      inet6_addr_add+0x30e/0xa40
[ 2048.296950][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.296950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.296950][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.296950][   T10]      netlink_unicast+0x449/0x710
[ 2048.296950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.296950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.296950][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.296950][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.296950][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.296950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.296950][   T10] 
[ 2048.298999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.298999][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.298999][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.298999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.298999][   T10]      ip6_route_add+0x1c/0x140
[ 2048.298999][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2048.298999][   T10]      addrconf_add_dev+0xe2/0x170
[ 2048.298999][   T10]      inet6_addr_add+0x12f/0xa40
[ 2048.298999][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.298999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.298999][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.298999][   T10]      netlink_unicast+0x449/0x710
[ 2048.298999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.298999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.298999][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.298999][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.298999][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.298999][   T10] 
[ 2048.301072][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.301072][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2048.301072][   T10]      ipv6_find_idev+0x102/0x170
[ 2048.301072][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2048.301072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.301072][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.301072][   T10]      netlink_unicast+0x449/0x710
[ 2048.301072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.301072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.301072][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.301072][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.301072][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.301072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.301072][   T10] 
[ 2048.302698][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2048.302698][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2048.302698][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2048.302698][   T10]      ipv6_find_idev+0x102/0x170
[ 2048.302698][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2048.302698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.302698][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.302698][   T10]      netlink_unicast+0x449/0x710
[ 2048.302698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.302698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.302698][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.302698][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.302698][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.302698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.302698][   T10] 
[ 2048.304469][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2048.304755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.304755][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2048.304755][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2048.304755][   T10]      fib6_nh_init+0xa22/0x1580
[ 2048.304755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.304755][   T10]      ip6_route_add+0x1c/0x140
[ 2048.304755][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2048.304755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.304755][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.304755][   T10]      netlink_unicast+0x449/0x710
[ 2048.304755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.304755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.304755][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.304755][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.304755][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.304755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.304755][   T10] 
[ 2048.306745][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.306745][   T10]      dst_init+0x84/0x4a0
[ 2048.306745][   T10]      dst_alloc+0x97/0x150
[ 2048.306745][   T10]      ip6_dst_alloc+0x23/0x90
[ 2048.306745][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2048.306745][   T10]      ip6_pol_route+0x56f/0x840
[ 2048.306745][   T10]      fib6_rule_lookup+0x456/0x630
[ 2048.306745][   T10]      ip6_route_input+0x59c/0xa50
[ 2048.306745][   T10]      ipv6_rcv+0x397/0x810
[ 2048.306745][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2048.306745][   T10]      process_backlog+0x101/0x620
[ 2048.306745][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2048.306745][   T10]      net_rx_action+0x495/0xbe0
[ 2048.306745][   T10]      __do_softirq+0x1b5/0x7f6
[ 2048.306745][   T10] 
[ 2048.308508][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.308508][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.308508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.308508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.308508][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2048.308508][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2048.308508][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2048.308508][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2048.308508][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2048.308508][   T10]      addrconf_dad_begin+0x310/0x670
[ 2048.308508][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2048.308508][   T10]      process_one_work+0x84d/0x18a0
[ 2048.308508][   T10]      worker_thread+0x587/0xd30
[ 2048.308508][   T10]      kthread+0x28a/0x350
[ 2048.308508][   T10]      ret_from_fork+0x31/0x70
[ 2048.308508][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2048.308508][   T10] 
[ 2048.310540][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.310540][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.310540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.310540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.310540][   T10]      ip6_route_add+0x1c/0x140
[ 2048.310540][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2048.310540][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2048.310540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.310540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.310540][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.310540][   T10]      netlink_unicast+0x449/0x710
[ 2048.310540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.310540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.310540][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.310540][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.310540][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.310540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.310540][   T10] 
[ 2048.312683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.312683][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.312683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.312683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.312683][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2048.312683][   T10]      ipv6_add_addr+0x411/0x2000
[ 2048.312683][   T10]      inet6_addr_add+0x30e/0xa40
[ 2048.312683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.312683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.312683][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.312683][   T10]      netlink_unicast+0x449/0x710
[ 2048.312683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.312683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.312683][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.312683][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.312683][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.312683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.312683][   T10] 
[ 2048.314821][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.314821][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.314821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.314821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.314821][   T10]      ip6_route_add+0x1c/0x140
[ 2048.314821][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2048.314821][   T10]      addrconf_add_dev+0xe2/0x170
[ 2048.314821][   T10]      inet6_addr_add+0x12f/0xa40
[ 2048.314821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.314821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.314821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.314821][   T10]      netlink_unicast+0x449/0x710
[ 2048.314821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.314821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.314821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.314821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.314821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.314821][   T10] 
[ 2048.317107][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.317107][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2048.317107][   T10]      ipv6_find_idev+0x102/0x170
[ 2048.317107][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2048.317107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.317107][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.317107][   T10]      netlink_unicast+0x449/0x710
[ 2048.317107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.317107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.317107][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.317107][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.317107][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.317107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.317107][   T10] 
[ 2048.318959][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2048.318959][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2048.318959][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2048.318959][   T10]      ipv6_find_idev+0x102/0x170
[ 2048.318959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2048.318959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.318959][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.318959][   T10]      netlink_unicast+0x449/0x710
[ 2048.318959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.318959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.318959][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.318959][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.318959][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.318959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.318959][   T10] 
[ 2048.321018][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2048.321271][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2048.321271][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.321271][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.321271][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.321271][   T10]      ip6_route_add+0x1c/0x140
[ 2048.321271][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2048.321271][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2048.321271][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.321271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.321271][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.321271][   T10]      netlink_unicast+0x449/0x710
[ 2048.321271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.321271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.321271][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.321271][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.321271][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.321271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.321271][   T10] 
[ 2048.323670][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2048.323670][   T10]      netdev_get_by_index+0x5e/0x80
[ 2048.323670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2048.323670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2048.323670][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2048.323670][   T10]      ipv6_add_addr+0x411/0x2000
[ 2048.323670][   T10]      inet6_addr_add+0x30e/0xa40
[ 2048.323670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2048.323670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.323670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.323670][   T10]      netlink_unicast+0x449/0x710
[ 2048.323670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.323670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.323670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.323670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.323670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.323670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.323670][   T10] 
[ 2048.326019][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2048.326019][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2048.326019][   T10]      ipv6_find_idev+0x102/0x170
[ 2048.326019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2048.326019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.326019][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.326019][   T10]      netlink_unicast+0x449/0x710
[ 2048.326019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.326019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.326019][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.326019][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.326019][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.326019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.326019][   T10] 
[ 2048.327846][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2048.327846][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2048.327846][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2048.327846][   T10]      ipv6_find_idev+0x102/0x170
[ 2048.327846][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2048.327846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2048.327846][   T10]      netlink_rcv_skb+0x130/0x360
[ 2048.327846][   T10]      netlink_unicast+0x449/0x710
[ 2048.327846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2048.327846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2048.327846][   T10]      ___sys_sendmsg+0xee/0x170
[ 2048.327846][   T10]      __sys_sendmsg+0xcd/0x170
[ 2048.327846][   T10]      do_syscall_64+0xc6/0x1e0
[ 2048.327846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2048.327846][   T10] 
[ 2058.400777][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2058.401291][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.401291][   T10]      dst_init+0x84/0x4a0
[ 2058.401291][   T10]      dst_alloc+0x97/0x150
[ 2058.401291][   T10]      ip6_dst_alloc+0x23/0x90
[ 2058.401291][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2058.401291][   T10]      ip6_pol_route+0x56f/0x840
[ 2058.401291][   T10]      fib6_rule_lookup+0x456/0x630
[ 2058.401291][   T10]      ip6_route_input+0x59c/0xa50
[ 2058.401291][   T10]      ipv6_rcv+0x397/0x810
[ 2058.401291][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2058.401291][   T10]      process_backlog+0x101/0x620
[ 2058.401291][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2058.401291][   T10]      net_rx_action+0x495/0xbe0
[ 2058.401291][   T10]      __do_softirq+0x1b5/0x7f6
[ 2058.401291][   T10] 
[ 2058.402998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.402998][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2058.402998][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2058.402998][   T10]      fib6_nh_init+0xa22/0x1580
[ 2058.402998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.402998][   T10]      ip6_route_add+0x1c/0x140
[ 2058.402998][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2058.402998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.402998][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.402998][   T10]      netlink_unicast+0x449/0x710
[ 2058.402998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.402998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.402998][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.402998][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.402998][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.402998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.402998][   T10] 
[ 2058.404906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.404906][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.404906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.404906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.404906][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2058.404906][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2058.404906][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2058.404906][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2058.404906][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2058.404906][   T10]      addrconf_dad_begin+0x310/0x670
[ 2058.404906][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2058.404906][   T10]      process_one_work+0x84d/0x18a0
[ 2058.404906][   T10]      worker_thread+0x587/0xd30
[ 2058.404906][   T10]      kthread+0x28a/0x350
[ 2058.404906][   T10]      ret_from_fork+0x31/0x70
[ 2058.404906][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2058.404906][   T10] 
[ 2058.406884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.406884][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.406884][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.406884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.406884][   T10]      ip6_route_add+0x1c/0x140
[ 2058.406884][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2058.406884][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2058.406884][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.406884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.406884][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.406884][   T10]      netlink_unicast+0x449/0x710
[ 2058.406884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.406884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.406884][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.406884][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.406884][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.406884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.406884][   T10] 
[ 2058.408966][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.408966][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.408966][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.408966][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.408966][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2058.408966][   T10]      ipv6_add_addr+0x411/0x2000
[ 2058.408966][   T10]      inet6_addr_add+0x30e/0xa40
[ 2058.408966][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.408966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.408966][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.408966][   T10]      netlink_unicast+0x449/0x710
[ 2058.408966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.408966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.408966][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.408966][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.408966][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.408966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.408966][   T10] 
[ 2058.410928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.410928][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.410928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.410928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.410928][   T10]      ip6_route_add+0x1c/0x140
[ 2058.410928][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2058.410928][   T10]      addrconf_add_dev+0xe2/0x170
[ 2058.410928][   T10]      inet6_addr_add+0x12f/0xa40
[ 2058.410928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.410928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.410928][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.410928][   T10]      netlink_unicast+0x449/0x710
[ 2058.410928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.410928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.410928][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.410928][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.410928][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.410928][   T10] 
[ 2058.412994][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.412994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2058.412994][   T10]      ipv6_find_idev+0x102/0x170
[ 2058.412994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2058.412994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.412994][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.412994][   T10]      netlink_unicast+0x449/0x710
[ 2058.412994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.412994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.412994][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.412994][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.412994][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.412994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.412994][   T10] 
[ 2058.414667][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2058.414667][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2058.414667][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2058.414667][   T10]      ipv6_find_idev+0x102/0x170
[ 2058.414667][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2058.414667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.414667][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.414667][   T10]      netlink_unicast+0x449/0x710
[ 2058.414667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.414667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.414667][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.414667][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.414667][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.414667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.414667][   T10] 
[ 2058.416459][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2058.416723][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.416723][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2058.416723][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2058.416723][   T10]      fib6_nh_init+0xa22/0x1580
[ 2058.416723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.416723][   T10]      ip6_route_add+0x1c/0x140
[ 2058.416723][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2058.416723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.416723][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.416723][   T10]      netlink_unicast+0x449/0x710
[ 2058.416723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.416723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.416723][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.416723][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.416723][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.416723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.416723][   T10] 
[ 2058.418772][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.418772][   T10]      dst_init+0x84/0x4a0
[ 2058.418772][   T10]      dst_alloc+0x97/0x150
[ 2058.418772][   T10]      ip6_dst_alloc+0x23/0x90
[ 2058.418772][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2058.418772][   T10]      ip6_pol_route+0x56f/0x840
[ 2058.418772][   T10]      fib6_rule_lookup+0x456/0x630
[ 2058.418772][   T10]      ip6_route_input+0x59c/0xa50
[ 2058.418772][   T10]      ipv6_rcv+0x397/0x810
[ 2058.418772][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2058.418772][   T10]      process_backlog+0x101/0x620
[ 2058.418772][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2058.418772][   T10]      net_rx_action+0x495/0xbe0
[ 2058.418772][   T10]      __do_softirq+0x1b5/0x7f6
[ 2058.418772][   T10] 
[ 2058.420497][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.420497][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.420497][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.420497][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.420497][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2058.420497][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2058.420497][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2058.420497][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2058.420497][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2058.420497][   T10]      addrconf_dad_begin+0x310/0x670
[ 2058.420497][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2058.420497][   T10]      process_one_work+0x84d/0x18a0
[ 2058.420497][   T10]      worker_thread+0x587/0xd30
[ 2058.420497][   T10]      kthread+0x28a/0x350
[ 2058.420497][   T10]      ret_from_fork+0x31/0x70
[ 2058.420497][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2058.420497][   T10] 
[ 2058.422541][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.422541][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.422541][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.422541][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.422541][   T10]      ip6_route_add+0x1c/0x140
[ 2058.422541][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2058.422541][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2058.422541][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.422541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.422541][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.422541][   T10]      netlink_unicast+0x449/0x710
[ 2058.422541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.422541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.422541][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.422541][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.422541][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.422541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.422541][   T10] 
[ 2058.424663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.424663][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.424663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.424663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.424663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2058.424663][   T10]      ipv6_add_addr+0x411/0x2000
[ 2058.424663][   T10]      inet6_addr_add+0x30e/0xa40
[ 2058.424663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.424663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.424663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.424663][   T10]      netlink_unicast+0x449/0x710
[ 2058.424663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.424663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.424663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.424663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.424663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.424663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.424663][   T10] 
[ 2058.426829][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.426829][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.426829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.426829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.426829][   T10]      ip6_route_add+0x1c/0x140
[ 2058.426829][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2058.426829][   T10]      addrconf_add_dev+0xe2/0x170
[ 2058.426829][   T10]      inet6_addr_add+0x12f/0xa40
[ 2058.426829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.426829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.426829][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.426829][   T10]      netlink_unicast+0x449/0x710
[ 2058.426829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.426829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.426829][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.426829][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.426829][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.426829][   T10] 
[ 2058.429112][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.429112][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2058.429112][   T10]      ipv6_find_idev+0x102/0x170
[ 2058.429112][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2058.429112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.429112][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.429112][   T10]      netlink_unicast+0x449/0x710
[ 2058.429112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.429112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.429112][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.429112][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.429112][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.429112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.429112][   T10] 
[ 2058.431005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2058.431005][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2058.431005][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2058.431005][   T10]      ipv6_find_idev+0x102/0x170
[ 2058.431005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2058.431005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.431005][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.431005][   T10]      netlink_unicast+0x449/0x710
[ 2058.431005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.431005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.431005][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.431005][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.431005][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.431005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.431005][   T10] 
[ 2058.433005][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2058.433255][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2058.433255][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.433255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.433255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.433255][   T10]      ip6_route_add+0x1c/0x140
[ 2058.433255][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2058.433255][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2058.433255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.433255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.433255][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.433255][   T10]      netlink_unicast+0x449/0x710
[ 2058.433255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.433255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.433255][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.433255][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.433255][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.433255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.433255][   T10] 
[ 2058.435637][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2058.435637][   T10]      netdev_get_by_index+0x5e/0x80
[ 2058.435637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2058.435637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2058.435637][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2058.435637][   T10]      ipv6_add_addr+0x411/0x2000
[ 2058.435637][   T10]      inet6_addr_add+0x30e/0xa40
[ 2058.435637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2058.435637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.435637][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.435637][   T10]      netlink_unicast+0x449/0x710
[ 2058.435637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.435637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.435637][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.435637][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.435637][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.435637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.435637][   T10] 
[ 2058.438019][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2058.438019][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2058.438019][   T10]      ipv6_find_idev+0x102/0x170
[ 2058.438019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2058.438019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.438019][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.438019][   T10]      netlink_unicast+0x449/0x710
[ 2058.438019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.438019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.438019][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.438019][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.438019][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.438019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.438019][   T10] 
[ 2058.439914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2058.439914][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2058.439914][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2058.439914][   T10]      ipv6_find_idev+0x102/0x170
[ 2058.439914][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2058.439914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2058.439914][   T10]      netlink_rcv_skb+0x130/0x360
[ 2058.439914][   T10]      netlink_unicast+0x449/0x710
[ 2058.439914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2058.439914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2058.439914][   T10]      ___sys_sendmsg+0xee/0x170
[ 2058.439914][   T10]      __sys_sendmsg+0xcd/0x170
[ 2058.439914][   T10]      do_syscall_64+0xc6/0x1e0
[ 2058.439914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2058.439914][   T10] 
[ 2068.680786][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2068.681316][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.681316][   T10]      dst_init+0x84/0x4a0
[ 2068.681316][   T10]      dst_alloc+0x97/0x150
[ 2068.681316][   T10]      ip6_dst_alloc+0x23/0x90
[ 2068.681316][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2068.681316][   T10]      ip6_pol_route+0x56f/0x840
[ 2068.681316][   T10]      fib6_rule_lookup+0x456/0x630
[ 2068.681316][   T10]      ip6_route_input+0x59c/0xa50
[ 2068.681316][   T10]      ipv6_rcv+0x397/0x810
[ 2068.681316][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2068.681316][   T10]      process_backlog+0x101/0x620
[ 2068.681316][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2068.681316][   T10]      net_rx_action+0x495/0xbe0
[ 2068.681316][   T10]      __do_softirq+0x1b5/0x7f6
[ 2068.681316][   T10] 
[ 2068.683048][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.683048][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2068.683048][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2068.683048][   T10]      fib6_nh_init+0xa22/0x1580
[ 2068.683048][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.683048][   T10]      ip6_route_add+0x1c/0x140
[ 2068.683048][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2068.683048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.683048][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.683048][   T10]      netlink_unicast+0x449/0x710
[ 2068.683048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.683048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.683048][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.683048][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.683048][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.683048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.683048][   T10] 
[ 2068.685008][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.685008][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.685008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.685008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.685008][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2068.685008][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2068.685008][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2068.685008][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2068.685008][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2068.685008][   T10]      addrconf_dad_begin+0x310/0x670
[ 2068.685008][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2068.685008][   T10]      process_one_work+0x84d/0x18a0
[ 2068.685008][   T10]      worker_thread+0x587/0xd30
[ 2068.685008][   T10]      kthread+0x28a/0x350
[ 2068.685008][   T10]      ret_from_fork+0x31/0x70
[ 2068.685008][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2068.685008][   T10] 
[ 2068.687006][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.687006][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.687006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.687006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.687006][   T10]      ip6_route_add+0x1c/0x140
[ 2068.687006][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2068.687006][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2068.687006][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.687006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.687006][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.687006][   T10]      netlink_unicast+0x449/0x710
[ 2068.687006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.687006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.687006][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.687006][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.687006][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.687006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.687006][   T10] 
[ 2068.689028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.689028][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.689028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.689028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.689028][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2068.689028][   T10]      ipv6_add_addr+0x411/0x2000
[ 2068.689028][   T10]      inet6_addr_add+0x30e/0xa40
[ 2068.689028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.689028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.689028][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.689028][   T10]      netlink_unicast+0x449/0x710
[ 2068.689028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.689028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.689028][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.689028][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.689028][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.689028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.689028][   T10] 
[ 2068.691127][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.691127][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.691127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.691127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.691127][   T10]      ip6_route_add+0x1c/0x140
[ 2068.691127][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2068.691127][   T10]      addrconf_add_dev+0xe2/0x170
[ 2068.691127][   T10]      inet6_addr_add+0x12f/0xa40
[ 2068.691127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.691127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.691127][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.691127][   T10]      netlink_unicast+0x449/0x710
[ 2068.691127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.691127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.691127][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.691127][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.691127][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.691127][   T10] 
[ 2068.693213][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.693213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2068.693213][   T10]      ipv6_find_idev+0x102/0x170
[ 2068.693213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2068.693213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.693213][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.693213][   T10]      netlink_unicast+0x449/0x710
[ 2068.693213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.693213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.693213][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.693213][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.693213][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.693213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.693213][   T10] 
[ 2068.694803][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2068.694803][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2068.694803][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2068.694803][   T10]      ipv6_find_idev+0x102/0x170
[ 2068.694803][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2068.694803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.694803][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.694803][   T10]      netlink_unicast+0x449/0x710
[ 2068.694803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.694803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.694803][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.694803][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.694803][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.694803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.694803][   T10] 
[ 2068.696625][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2068.696875][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.696875][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2068.696875][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2068.696875][   T10]      fib6_nh_init+0xa22/0x1580
[ 2068.696875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.696875][   T10]      ip6_route_add+0x1c/0x140
[ 2068.696875][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2068.696875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.696875][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.696875][   T10]      netlink_unicast+0x449/0x710
[ 2068.696875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.696875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.696875][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.696875][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.696875][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.696875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.696875][   T10] 
[ 2068.698866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.698866][   T10]      dst_init+0x84/0x4a0
[ 2068.698866][   T10]      dst_alloc+0x97/0x150
[ 2068.698866][   T10]      ip6_dst_alloc+0x23/0x90
[ 2068.698866][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2068.698866][   T10]      ip6_pol_route+0x56f/0x840
[ 2068.698866][   T10]      fib6_rule_lookup+0x456/0x630
[ 2068.698866][   T10]      ip6_route_input+0x59c/0xa50
[ 2068.698866][   T10]      ipv6_rcv+0x397/0x810
[ 2068.698866][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2068.698866][   T10]      process_backlog+0x101/0x620
[ 2068.698866][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2068.698866][   T10]      net_rx_action+0x495/0xbe0
[ 2068.698866][   T10]      __do_softirq+0x1b5/0x7f6
[ 2068.698866][   T10] 
[ 2068.700597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.700597][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.700597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.700597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.700597][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2068.700597][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2068.700597][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2068.700597][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2068.700597][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2068.700597][   T10]      addrconf_dad_begin+0x310/0x670
[ 2068.700597][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2068.700597][   T10]      process_one_work+0x84d/0x18a0
[ 2068.700597][   T10]      worker_thread+0x587/0xd30
[ 2068.700597][   T10]      kthread+0x28a/0x350
[ 2068.700597][   T10]      ret_from_fork+0x31/0x70
[ 2068.700597][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2068.700597][   T10] 
[ 2068.702562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.702562][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.702562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.702562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.702562][   T10]      ip6_route_add+0x1c/0x140
[ 2068.702562][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2068.702562][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2068.702562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.702562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.702562][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.702562][   T10]      netlink_unicast+0x449/0x710
[ 2068.702562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.702562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.702562][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.702562][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.702562][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.702562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.702562][   T10] 
[ 2068.704685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.704685][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.704685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.704685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.704685][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2068.704685][   T10]      ipv6_add_addr+0x411/0x2000
[ 2068.704685][   T10]      inet6_addr_add+0x30e/0xa40
[ 2068.704685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.704685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.704685][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.704685][   T10]      netlink_unicast+0x449/0x710
[ 2068.704685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.704685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.704685][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.704685][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.704685][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.704685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.704685][   T10] 
[ 2068.706804][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.706804][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.706804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.706804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.706804][   T10]      ip6_route_add+0x1c/0x140
[ 2068.706804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2068.706804][   T10]      addrconf_add_dev+0xe2/0x170
[ 2068.706804][   T10]      inet6_addr_add+0x12f/0xa40
[ 2068.706804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.706804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.706804][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.706804][   T10]      netlink_unicast+0x449/0x710
[ 2068.706804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.706804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.706804][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.706804][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.706804][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.706804][   T10] 
[ 2068.709004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.709004][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2068.709004][   T10]      ipv6_find_idev+0x102/0x170
[ 2068.709004][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2068.709004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.709004][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.709004][   T10]      netlink_unicast+0x449/0x710
[ 2068.709004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.709004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.709004][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.709004][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.709004][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.709004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.709004][   T10] 
[ 2068.710764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2068.710764][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2068.710764][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2068.710764][   T10]      ipv6_find_idev+0x102/0x170
[ 2068.710764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2068.710764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.710764][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.710764][   T10]      netlink_unicast+0x449/0x710
[ 2068.710764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.710764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.710764][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.710764][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.710764][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.710764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.710764][   T10] 
[ 2068.712783][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2068.713040][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2068.713040][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.713040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.713040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.713040][   T10]      ip6_route_add+0x1c/0x140
[ 2068.713040][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2068.713040][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2068.713040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.713040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.713040][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.713040][   T10]      netlink_unicast+0x449/0x710
[ 2068.713040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.713040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.713040][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.713040][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.713040][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.713040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.713040][   T10] 
[ 2068.715325][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2068.715325][   T10]      netdev_get_by_index+0x5e/0x80
[ 2068.715325][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2068.715325][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2068.715325][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2068.715325][   T10]      ipv6_add_addr+0x411/0x2000
[ 2068.715325][   T10]      inet6_addr_add+0x30e/0xa40
[ 2068.715325][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2068.715325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.715325][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.715325][   T10]      netlink_unicast+0x449/0x710
[ 2068.715325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.715325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.715325][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.715325][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.715325][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.715325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.715325][   T10] 
[ 2068.717635][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2068.717635][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2068.717635][   T10]      ipv6_find_idev+0x102/0x170
[ 2068.717635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2068.717635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.717635][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.717635][   T10]      netlink_unicast+0x449/0x710
[ 2068.717635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.717635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.717635][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.717635][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.717635][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.717635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.717635][   T10] 
[ 2068.719918][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2068.719918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2068.719918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2068.719918][   T10]      ipv6_find_idev+0x102/0x170
[ 2068.719918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2068.719918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2068.719918][   T10]      netlink_rcv_skb+0x130/0x360
[ 2068.719918][   T10]      netlink_unicast+0x449/0x710
[ 2068.719918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2068.719918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2068.719918][   T10]      ___sys_sendmsg+0xee/0x170
[ 2068.719918][   T10]      __sys_sendmsg+0xcd/0x170
[ 2068.719918][   T10]      do_syscall_64+0xc6/0x1e0
[ 2068.719918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2068.719918][   T10] 
[ 2078.960797][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2078.961864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.961864][   T10]      dst_init+0x84/0x4a0
[ 2078.961864][   T10]      dst_alloc+0x97/0x150
[ 2078.961864][   T10]      ip6_dst_alloc+0x23/0x90
[ 2078.961864][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2078.961864][   T10]      ip6_pol_route+0x56f/0x840
[ 2078.961864][   T10]      fib6_rule_lookup+0x456/0x630
[ 2078.961864][   T10]      ip6_route_input+0x59c/0xa50
[ 2078.961864][   T10]      ipv6_rcv+0x397/0x810
[ 2078.961864][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2078.961864][   T10]      process_backlog+0x101/0x620
[ 2078.961864][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2078.961864][   T10]      net_rx_action+0x495/0xbe0
[ 2078.961864][   T10]      __do_softirq+0x1b5/0x7f6
[ 2078.961864][   T10] 
[ 2078.963616][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.963616][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2078.963616][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2078.963616][   T10]      fib6_nh_init+0xa22/0x1580
[ 2078.963616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.963616][   T10]      ip6_route_add+0x1c/0x140
[ 2078.963616][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2078.963616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.963616][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.963616][   T10]      netlink_unicast+0x449/0x710
[ 2078.963616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.963616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.963616][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.963616][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.963616][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.963616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.963616][   T10] 
[ 2078.965551][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.965551][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.965551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.965551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.965551][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2078.965551][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2078.965551][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2078.965551][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2078.965551][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2078.965551][   T10]      addrconf_dad_begin+0x310/0x670
[ 2078.965551][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2078.965551][   T10]      process_one_work+0x84d/0x18a0
[ 2078.965551][   T10]      worker_thread+0x587/0xd30
[ 2078.965551][   T10]      kthread+0x28a/0x350
[ 2078.965551][   T10]      ret_from_fork+0x31/0x70
[ 2078.965551][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2078.965551][   T10] 
[ 2078.967594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.967594][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.967594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.967594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.967594][   T10]      ip6_route_add+0x1c/0x140
[ 2078.967594][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2078.967594][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2078.967594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.967594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.967594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.967594][   T10]      netlink_unicast+0x449/0x710
[ 2078.967594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.967594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.967594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.967594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.967594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.967594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.967594][   T10] 
[ 2078.969672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.969672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.969672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.969672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.969672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2078.969672][   T10]      ipv6_add_addr+0x411/0x2000
[ 2078.969672][   T10]      inet6_addr_add+0x30e/0xa40
[ 2078.969672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.969672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.969672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.969672][   T10]      netlink_unicast+0x449/0x710
[ 2078.969672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.969672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.969672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.969672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.969672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.969672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.969672][   T10] 
[ 2078.971793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.971793][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.971793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.971793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.971793][   T10]      ip6_route_add+0x1c/0x140
[ 2078.971793][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2078.971793][   T10]      addrconf_add_dev+0xe2/0x170
[ 2078.971793][   T10]      inet6_addr_add+0x12f/0xa40
[ 2078.971793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.971793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.971793][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.971793][   T10]      netlink_unicast+0x449/0x710
[ 2078.971793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.971793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.971793][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.971793][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.971793][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.971793][   T10] 
[ 2078.973890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.973890][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2078.973890][   T10]      ipv6_find_idev+0x102/0x170
[ 2078.973890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2078.973890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.973890][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.973890][   T10]      netlink_unicast+0x449/0x710
[ 2078.973890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.973890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.973890][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.973890][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.973890][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.973890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.973890][   T10] 
[ 2078.975509][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2078.975509][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2078.975509][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2078.975509][   T10]      ipv6_find_idev+0x102/0x170
[ 2078.975509][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2078.975509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.975509][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.975509][   T10]      netlink_unicast+0x449/0x710
[ 2078.975509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.975509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.975509][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.975509][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.975509][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.975509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.975509][   T10] 
[ 2078.977322][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2078.977601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.977601][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2078.977601][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2078.977601][   T10]      fib6_nh_init+0xa22/0x1580
[ 2078.977601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.977601][   T10]      ip6_route_add+0x1c/0x140
[ 2078.977601][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2078.977601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.977601][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.977601][   T10]      netlink_unicast+0x449/0x710
[ 2078.977601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.977601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.977601][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.977601][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.977601][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.977601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.977601][   T10] 
[ 2078.979574][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.979574][   T10]      dst_init+0x84/0x4a0
[ 2078.979574][   T10]      dst_alloc+0x97/0x150
[ 2078.979574][   T10]      ip6_dst_alloc+0x23/0x90
[ 2078.979574][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2078.979574][   T10]      ip6_pol_route+0x56f/0x840
[ 2078.979574][   T10]      fib6_rule_lookup+0x456/0x630
[ 2078.979574][   T10]      ip6_route_input+0x59c/0xa50
[ 2078.979574][   T10]      ipv6_rcv+0x397/0x810
[ 2078.979574][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2078.979574][   T10]      process_backlog+0x101/0x620
[ 2078.979574][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2078.979574][   T10]      net_rx_action+0x495/0xbe0
[ 2078.979574][   T10]      __do_softirq+0x1b5/0x7f6
[ 2078.979574][   T10] 
[ 2078.981311][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.981311][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.981311][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.981311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.981311][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2078.981311][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2078.981311][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2078.981311][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2078.981311][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2078.981311][   T10]      addrconf_dad_begin+0x310/0x670
[ 2078.981311][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2078.981311][   T10]      process_one_work+0x84d/0x18a0
[ 2078.981311][   T10]      worker_thread+0x587/0xd30
[ 2078.981311][   T10]      kthread+0x28a/0x350
[ 2078.981311][   T10]      ret_from_fork+0x31/0x70
[ 2078.981311][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2078.981311][   T10] 
[ 2078.983277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.983277][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.983277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.983277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.983277][   T10]      ip6_route_add+0x1c/0x140
[ 2078.983277][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2078.983277][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2078.983277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.983277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.983277][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.983277][   T10]      netlink_unicast+0x449/0x710
[ 2078.983277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.983277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.983277][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.983277][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.983277][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.983277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.983277][   T10] 
[ 2078.985392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.985392][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.985392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.985392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.985392][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2078.985392][   T10]      ipv6_add_addr+0x411/0x2000
[ 2078.985392][   T10]      inet6_addr_add+0x30e/0xa40
[ 2078.985392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.985392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.985392][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.985392][   T10]      netlink_unicast+0x449/0x710
[ 2078.985392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.985392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.985392][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.985392][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.985392][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.985392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.985392][   T10] 
[ 2078.987507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.987507][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.987507][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.987507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.987507][   T10]      ip6_route_add+0x1c/0x140
[ 2078.987507][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2078.987507][   T10]      addrconf_add_dev+0xe2/0x170
[ 2078.987507][   T10]      inet6_addr_add+0x12f/0xa40
[ 2078.987507][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.987507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.987507][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.987507][   T10]      netlink_unicast+0x449/0x710
[ 2078.987507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.987507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.987507][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.987507][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.987507][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.987507][   T10] 
[ 2078.989729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.989729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2078.989729][   T10]      ipv6_find_idev+0x102/0x170
[ 2078.989729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2078.989729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.989729][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.989729][   T10]      netlink_unicast+0x449/0x710
[ 2078.989729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.989729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.989729][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.989729][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.989729][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.989729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.989729][   T10] 
[ 2078.991605][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2078.991605][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2078.991605][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2078.991605][   T10]      ipv6_find_idev+0x102/0x170
[ 2078.991605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2078.991605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.991605][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.991605][   T10]      netlink_unicast+0x449/0x710
[ 2078.991605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.991605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.991605][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.991605][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.991605][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.991605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.991605][   T10] 
[ 2078.993538][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2078.993823][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2078.993823][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.993823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.993823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.993823][   T10]      ip6_route_add+0x1c/0x140
[ 2078.993823][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2078.993823][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2078.993823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.993823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.993823][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.993823][   T10]      netlink_unicast+0x449/0x710
[ 2078.993823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.993823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.993823][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.993823][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.993823][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.993823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.993823][   T10] 
[ 2078.996087][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2078.996087][   T10]      netdev_get_by_index+0x5e/0x80
[ 2078.996087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2078.996087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2078.996087][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2078.996087][   T10]      ipv6_add_addr+0x411/0x2000
[ 2078.996087][   T10]      inet6_addr_add+0x30e/0xa40
[ 2078.996087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2078.996087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.996087][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.996087][   T10]      netlink_unicast+0x449/0x710
[ 2078.996087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.996087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.996087][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.996087][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.996087][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.996087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.996087][   T10] 
[ 2078.998276][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2078.998276][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2078.998276][   T10]      ipv6_find_idev+0x102/0x170
[ 2078.998276][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2078.998276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2078.998276][   T10]      netlink_rcv_skb+0x130/0x360
[ 2078.998276][   T10]      netlink_unicast+0x449/0x710
[ 2078.998276][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2078.998276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2078.998276][   T10]      ___sys_sendmsg+0xee/0x170
[ 2078.998276][   T10]      __sys_sendmsg+0xcd/0x170
[ 2078.998276][   T10]      do_syscall_64+0xc6/0x1e0
[ 2078.998276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2078.998276][   T10] 
[ 2079.000004][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2079.000004][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2079.000004][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2079.000004][   T10]      ipv6_find_idev+0x102/0x170
[ 2079.000004][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2079.000004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2079.000004][   T10]      netlink_rcv_skb+0x130/0x360
[ 2079.000004][   T10]      netlink_unicast+0x449/0x710
[ 2079.000004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2079.000004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2079.000004][   T10]      ___sys_sendmsg+0xee/0x170
[ 2079.000004][   T10]      __sys_sendmsg+0xcd/0x170
[ 2079.000004][   T10]      do_syscall_64+0xc6/0x1e0
[ 2079.000004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2079.000004][   T10] 
[ 2089.240789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2089.241283][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.241283][   T10]      dst_init+0x84/0x4a0
[ 2089.241283][   T10]      dst_alloc+0x97/0x150
[ 2089.241283][   T10]      ip6_dst_alloc+0x23/0x90
[ 2089.241283][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2089.241283][   T10]      ip6_pol_route+0x56f/0x840
[ 2089.241283][   T10]      fib6_rule_lookup+0x456/0x630
[ 2089.241283][   T10]      ip6_route_input+0x59c/0xa50
[ 2089.241283][   T10]      ipv6_rcv+0x397/0x810
[ 2089.241283][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2089.241283][   T10]      process_backlog+0x101/0x620
[ 2089.241283][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2089.241283][   T10]      net_rx_action+0x495/0xbe0
[ 2089.241283][   T10]      __do_softirq+0x1b5/0x7f6
[ 2089.241283][   T10] 
[ 2089.242858][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.242858][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2089.242858][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2089.242858][   T10]      fib6_nh_init+0xa22/0x1580
[ 2089.242858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.242858][   T10]      ip6_route_add+0x1c/0x140
[ 2089.242858][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2089.242858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.242858][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.242858][   T10]      netlink_unicast+0x449/0x710
[ 2089.242858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.242858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.242858][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.242858][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.242858][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.242858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.242858][   T10] 
[ 2089.244657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.244657][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.244657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.244657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.244657][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2089.244657][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2089.244657][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2089.244657][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2089.244657][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2089.244657][   T10]      addrconf_dad_begin+0x310/0x670
[ 2089.244657][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2089.244657][   T10]      process_one_work+0x84d/0x18a0
[ 2089.244657][   T10]      worker_thread+0x587/0xd30
[ 2089.244657][   T10]      kthread+0x28a/0x350
[ 2089.244657][   T10]      ret_from_fork+0x31/0x70
[ 2089.244657][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2089.244657][   T10] 
[ 2089.246648][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.246648][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.246648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.246648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.246648][   T10]      ip6_route_add+0x1c/0x140
[ 2089.246648][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2089.246648][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2089.246648][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.246648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.246648][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.246648][   T10]      netlink_unicast+0x449/0x710
[ 2089.246648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.246648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.246648][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.246648][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.246648][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.246648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.246648][   T10] 
[ 2089.248689][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.248689][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.248689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.248689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.248689][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2089.248689][   T10]      ipv6_add_addr+0x411/0x2000
[ 2089.248689][   T10]      inet6_addr_add+0x30e/0xa40
[ 2089.248689][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.248689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.248689][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.248689][   T10]      netlink_unicast+0x449/0x710
[ 2089.248689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.248689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.248689][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.248689][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.248689][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.248689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.248689][   T10] 
[ 2089.250729][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.250729][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.250729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.250729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.250729][   T10]      ip6_route_add+0x1c/0x140
[ 2089.250729][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2089.250729][   T10]      addrconf_add_dev+0xe2/0x170
[ 2089.250729][   T10]      inet6_addr_add+0x12f/0xa40
[ 2089.250729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.250729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.250729][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.250729][   T10]      netlink_unicast+0x449/0x710
[ 2089.250729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.250729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.250729][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.250729][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.250729][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.250729][   T10] 
[ 2089.252751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.252751][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2089.252751][   T10]      ipv6_find_idev+0x102/0x170
[ 2089.252751][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2089.252751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.252751][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.252751][   T10]      netlink_unicast+0x449/0x710
[ 2089.252751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.252751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.252751][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.252751][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.252751][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.252751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.252751][   T10] 
[ 2089.254321][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2089.254321][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2089.254321][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2089.254321][   T10]      ipv6_find_idev+0x102/0x170
[ 2089.254321][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2089.254321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.254321][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.254321][   T10]      netlink_unicast+0x449/0x710
[ 2089.254321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.254321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.254321][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.254321][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.254321][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.254321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.254321][   T10] 
[ 2089.256096][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2089.256345][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.256345][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2089.256345][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2089.256345][   T10]      fib6_nh_init+0xa22/0x1580
[ 2089.256345][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.256345][   T10]      ip6_route_add+0x1c/0x140
[ 2089.256345][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2089.256345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.256345][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.256345][   T10]      netlink_unicast+0x449/0x710
[ 2089.256345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.256345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.256345][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.256345][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.256345][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.256345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.256345][   T10] 
[ 2089.258243][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.258243][   T10]      dst_init+0x84/0x4a0
[ 2089.258243][   T10]      dst_alloc+0x97/0x150
[ 2089.258243][   T10]      ip6_dst_alloc+0x23/0x90
[ 2089.258243][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2089.258243][   T10]      ip6_pol_route+0x56f/0x840
[ 2089.258243][   T10]      fib6_rule_lookup+0x456/0x630
[ 2089.258243][   T10]      ip6_route_input+0x59c/0xa50
[ 2089.258243][   T10]      ipv6_rcv+0x397/0x810
[ 2089.258243][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2089.258243][   T10]      process_backlog+0x101/0x620
[ 2089.258243][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2089.258243][   T10]      net_rx_action+0x495/0xbe0
[ 2089.258243][   T10]      __do_softirq+0x1b5/0x7f6
[ 2089.258243][   T10] 
[ 2089.259884][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.259884][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.259884][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.259884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.259884][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2089.259884][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2089.259884][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2089.259884][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2089.259884][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2089.259884][   T10]      addrconf_dad_begin+0x310/0x670
[ 2089.259884][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2089.259884][   T10]      process_one_work+0x84d/0x18a0
[ 2089.259884][   T10]      worker_thread+0x587/0xd30
[ 2089.259884][   T10]      kthread+0x28a/0x350
[ 2089.259884][   T10]      ret_from_fork+0x31/0x70
[ 2089.259884][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2089.259884][   T10] 
[ 2089.261815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.261815][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.261815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.261815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.261815][   T10]      ip6_route_add+0x1c/0x140
[ 2089.261815][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2089.261815][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2089.261815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.261815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.261815][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.261815][   T10]      netlink_unicast+0x449/0x710
[ 2089.261815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.261815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.261815][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.261815][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.261815][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.261815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.261815][   T10] 
[ 2089.263862][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.263862][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.263862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.263862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.263862][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2089.263862][   T10]      ipv6_add_addr+0x411/0x2000
[ 2089.263862][   T10]      inet6_addr_add+0x30e/0xa40
[ 2089.263862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.263862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.263862][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.263862][   T10]      netlink_unicast+0x449/0x710
[ 2089.263862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.263862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.263862][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.263862][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.263862][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.263862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.263862][   T10] 
[ 2089.265895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.265895][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.265895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.265895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.265895][   T10]      ip6_route_add+0x1c/0x140
[ 2089.265895][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2089.265895][   T10]      addrconf_add_dev+0xe2/0x170
[ 2089.265895][   T10]      inet6_addr_add+0x12f/0xa40
[ 2089.265895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.265895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.265895][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.265895][   T10]      netlink_unicast+0x449/0x710
[ 2089.265895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.265895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.265895][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.265895][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.265895][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.265895][   T10] 
[ 2089.268008][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.268008][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2089.268008][   T10]      ipv6_find_idev+0x102/0x170
[ 2089.268008][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2089.268008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.268008][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.268008][   T10]      netlink_unicast+0x449/0x710
[ 2089.268008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.268008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.268008][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.268008][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.268008][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.268008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.268008][   T10] 
[ 2089.269699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2089.269699][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2089.269699][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2089.269699][   T10]      ipv6_find_idev+0x102/0x170
[ 2089.269699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2089.269699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.269699][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.269699][   T10]      netlink_unicast+0x449/0x710
[ 2089.269699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.269699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.269699][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.269699][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.269699][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.269699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.269699][   T10] 
[ 2089.271634][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2089.271877][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2089.271877][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.271877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.271877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.271877][   T10]      ip6_route_add+0x1c/0x140
[ 2089.271877][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2089.271877][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2089.271877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.271877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.271877][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.271877][   T10]      netlink_unicast+0x449/0x710
[ 2089.271877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.271877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.271877][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.271877][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.271877][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.271877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.271877][   T10] 
[ 2089.274103][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2089.274103][   T10]      netdev_get_by_index+0x5e/0x80
[ 2089.274103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2089.274103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2089.274103][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2089.274103][   T10]      ipv6_add_addr+0x411/0x2000
[ 2089.274103][   T10]      inet6_addr_add+0x30e/0xa40
[ 2089.274103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2089.274103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.274103][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.274103][   T10]      netlink_unicast+0x449/0x710
[ 2089.274103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.274103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.274103][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.274103][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.274103][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.274103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.274103][   T10] 
[ 2089.276326][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2089.276326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2089.276326][   T10]      ipv6_find_idev+0x102/0x170
[ 2089.276326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2089.276326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.276326][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.276326][   T10]      netlink_unicast+0x449/0x710
[ 2089.276326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.276326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.276326][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.276326][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.276326][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.276326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.276326][   T10] 
[ 2089.278057][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2089.278057][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2089.278057][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2089.278057][   T10]      ipv6_find_idev+0x102/0x170
[ 2089.278057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2089.278057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2089.278057][   T10]      netlink_rcv_skb+0x130/0x360
[ 2089.278057][   T10]      netlink_unicast+0x449/0x710
[ 2089.278057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2089.278057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2089.278057][   T10]      ___sys_sendmsg+0xee/0x170
[ 2089.278057][   T10]      __sys_sendmsg+0xcd/0x170
[ 2089.278057][   T10]      do_syscall_64+0xc6/0x1e0
[ 2089.278057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2089.278057][   T10] 
[ 2090.280791][   T42] INFO: task modprobe:7622 blocked for more than 614 seconds.
[ 2090.281496][   T42]       Not tainted 6.8.0-virtme #1
[ 2090.281800][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2090.282011][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 2090.282527][   T42] Call Trace:
[ 2090.282636][   T42]  <TASK>
[ 2090.282706][   T42]  __schedule+0x705/0x1ac0
[ 2090.282839][   T42]  ? __pfx___schedule+0x10/0x10
[ 2090.282960][   T42]  ? schedule+0x1a5/0x210
[ 2090.283056][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2090.283182][   T42]  ? mark_lock+0x38/0x3e0
[ 2090.283274][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2090.283398][   T42]  ? schedule+0x1a5/0x210
[ 2090.283501][   T42]  schedule+0xdf/0x210
[ 2090.283601][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2090.283722][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2090.283851][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2090.283999][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 2090.284121][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2090.284250][   T42]  ? lock_acquire+0x1c1/0x220
[ 2090.284373][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2090.284501][   T42]  down_write+0x1c9/0x200
[ 2090.284601][   T42]  ? __pfx_down_write+0x10/0x10
[ 2090.284721][   T42]  ? __pfx__printk+0x10/0x10
[ 2090.284844][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2090.284968][   T42]  register_pernet_subsys+0x1a/0x50
[ 2090.285090][   T42]  tcf_register_action+0xa3/0x600
[ 2090.285212][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 2090.285370][   T42]  do_one_initcall+0xc8/0x3f0
[ 2090.285494][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2090.285636][   T42]  ? __create_object+0x5e/0xb0
[ 2090.285790][   T42]  ? kasan_unpoison+0x27/0x60
[ 2090.285924][   T42]  do_init_module+0x233/0x740
[ 2090.286062][   T42]  load_module+0x16b5/0x2350
[ 2090.286197][   T42]  ? __pfx_load_module+0x10/0x10
[ 2090.286319][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2090.286447][   T42]  ? kernel_read_file+0x300/0x520
[ 2090.286579][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2090.286726][   T42]  ? init_module_from_file+0xd2/0x130
[ 2090.286848][   T42]  init_module_from_file+0xd2/0x130
[ 2090.286981][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2090.287132][   T42]  ? __lock_release+0x103/0x460
[ 2090.287252][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2090.287382][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2090.287506][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2090.287641][   T42]  idempotent_init_module+0x342/0x620
[ 2090.287764][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2090.287932][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2090.288054][   T42]  do_syscall_64+0xc6/0x1e0
[ 2090.288179][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2090.288333][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 2090.288457][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2090.288670][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 2090.288854][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 2090.289039][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 2090.289219][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 2090.289402][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 2090.289623][   T42]  </TASK>
[ 2090.289718][   T42] 
[ 2090.289718][   T42] Showing all locks held in the system:
[ 2090.289900][   T42] 3 locks held by kworker/u16:0/10:
[ 2090.290028][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2090.290272][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2090.290488][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2090.290714][   T42] 2 locks held by kworker/u20:0/39:
[ 2090.290829][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2090.291071][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2090.291340][   T42] 1 lock held by khungtaskd/42:
[ 2090.291460][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2090.291688][   T42] 1 lock held by modprobe/7622:
[ 2090.291803][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2090.292042][   T42] 
[ 2090.292101][   T42] =============================================
[ 2090.292101][   T42] 
[ 2099.520798][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2099.521251][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.521251][   T10]      dst_init+0x84/0x4a0
[ 2099.521251][   T10]      dst_alloc+0x97/0x150
[ 2099.521251][   T10]      ip6_dst_alloc+0x23/0x90
[ 2099.521251][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2099.521251][   T10]      ip6_pol_route+0x56f/0x840
[ 2099.521251][   T10]      fib6_rule_lookup+0x456/0x630
[ 2099.521251][   T10]      ip6_route_input+0x59c/0xa50
[ 2099.521251][   T10]      ipv6_rcv+0x397/0x810
[ 2099.521251][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2099.521251][   T10]      process_backlog+0x101/0x620
[ 2099.521251][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2099.521251][   T10]      net_rx_action+0x495/0xbe0
[ 2099.521251][   T10]      __do_softirq+0x1b5/0x7f6
[ 2099.521251][   T10] 
[ 2099.522884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.522884][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2099.522884][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2099.522884][   T10]      fib6_nh_init+0xa22/0x1580
[ 2099.522884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.522884][   T10]      ip6_route_add+0x1c/0x140
[ 2099.522884][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2099.522884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.522884][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.522884][   T10]      netlink_unicast+0x449/0x710
[ 2099.522884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.522884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.522884][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.522884][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.522884][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.522884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.522884][   T10] 
[ 2099.524737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.524737][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.524737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.524737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.524737][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2099.524737][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2099.524737][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2099.524737][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2099.524737][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2099.524737][   T10]      addrconf_dad_begin+0x310/0x670
[ 2099.524737][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2099.524737][   T10]      process_one_work+0x84d/0x18a0
[ 2099.524737][   T10]      worker_thread+0x587/0xd30
[ 2099.524737][   T10]      kthread+0x28a/0x350
[ 2099.524737][   T10]      ret_from_fork+0x31/0x70
[ 2099.524737][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2099.524737][   T10] 
[ 2099.526634][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.526634][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.526634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.526634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.526634][   T10]      ip6_route_add+0x1c/0x140
[ 2099.526634][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2099.526634][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2099.526634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.526634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.526634][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.526634][   T10]      netlink_unicast+0x449/0x710
[ 2099.526634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.526634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.526634][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.526634][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.526634][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.526634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.526634][   T10] 
[ 2099.528669][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.528669][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.528669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.528669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.528669][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2099.528669][   T10]      ipv6_add_addr+0x411/0x2000
[ 2099.528669][   T10]      inet6_addr_add+0x30e/0xa40
[ 2099.528669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.528669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.528669][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.528669][   T10]      netlink_unicast+0x449/0x710
[ 2099.528669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.528669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.528669][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.528669][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.528669][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.528669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.528669][   T10] 
[ 2099.530672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.530672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.530672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.530672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.530672][   T10]      ip6_route_add+0x1c/0x140
[ 2099.530672][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2099.530672][   T10]      addrconf_add_dev+0xe2/0x170
[ 2099.530672][   T10]      inet6_addr_add+0x12f/0xa40
[ 2099.530672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.530672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.530672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.530672][   T10]      netlink_unicast+0x449/0x710
[ 2099.530672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.530672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.530672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.530672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.530672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.530672][   T10] 
[ 2099.532611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.532611][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2099.532611][   T10]      ipv6_find_idev+0x102/0x170
[ 2099.532611][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2099.532611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.532611][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.532611][   T10]      netlink_unicast+0x449/0x710
[ 2099.532611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.532611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.532611][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.532611][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.532611][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.532611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.532611][   T10] 
[ 2099.534193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2099.534193][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2099.534193][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2099.534193][   T10]      ipv6_find_idev+0x102/0x170
[ 2099.534193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2099.534193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.534193][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.534193][   T10]      netlink_unicast+0x449/0x710
[ 2099.534193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.534193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.534193][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.534193][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.534193][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.534193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.534193][   T10] 
[ 2099.535945][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2099.536190][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.536190][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2099.536190][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2099.536190][   T10]      fib6_nh_init+0xa22/0x1580
[ 2099.536190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.536190][   T10]      ip6_route_add+0x1c/0x140
[ 2099.536190][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2099.536190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.536190][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.536190][   T10]      netlink_unicast+0x449/0x710
[ 2099.536190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.536190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.536190][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.536190][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.536190][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.536190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.536190][   T10] 
[ 2099.538092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.538092][   T10]      dst_init+0x84/0x4a0
[ 2099.538092][   T10]      dst_alloc+0x97/0x150
[ 2099.538092][   T10]      ip6_dst_alloc+0x23/0x90
[ 2099.538092][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2099.538092][   T10]      ip6_pol_route+0x56f/0x840
[ 2099.538092][   T10]      fib6_rule_lookup+0x456/0x630
[ 2099.538092][   T10]      ip6_route_input+0x59c/0xa50
[ 2099.538092][   T10]      ipv6_rcv+0x397/0x810
[ 2099.538092][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2099.538092][   T10]      process_backlog+0x101/0x620
[ 2099.538092][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2099.538092][   T10]      net_rx_action+0x495/0xbe0
[ 2099.538092][   T10]      __do_softirq+0x1b5/0x7f6
[ 2099.538092][   T10] 
[ 2099.539778][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.539778][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.539778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.539778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.539778][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2099.539778][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2099.539778][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2099.539778][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2099.539778][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2099.539778][   T10]      addrconf_dad_begin+0x310/0x670
[ 2099.539778][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2099.539778][   T10]      process_one_work+0x84d/0x18a0
[ 2099.539778][   T10]      worker_thread+0x587/0xd30
[ 2099.539778][   T10]      kthread+0x28a/0x350
[ 2099.539778][   T10]      ret_from_fork+0x31/0x70
[ 2099.539778][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2099.539778][   T10] 
[ 2099.541751][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.541751][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.541751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.541751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.541751][   T10]      ip6_route_add+0x1c/0x140
[ 2099.541751][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2099.541751][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2099.541751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.541751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.541751][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.541751][   T10]      netlink_unicast+0x449/0x710
[ 2099.541751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.541751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.541751][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.541751][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.541751][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.541751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.541751][   T10] 
[ 2099.543827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.543827][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.543827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.543827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.543827][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2099.543827][   T10]      ipv6_add_addr+0x411/0x2000
[ 2099.543827][   T10]      inet6_addr_add+0x30e/0xa40
[ 2099.543827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.543827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.543827][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.543827][   T10]      netlink_unicast+0x449/0x710
[ 2099.543827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.543827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.543827][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.543827][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.543827][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.543827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.543827][   T10] 
[ 2099.545847][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.545847][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.545847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.545847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.545847][   T10]      ip6_route_add+0x1c/0x140
[ 2099.545847][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2099.545847][   T10]      addrconf_add_dev+0xe2/0x170
[ 2099.545847][   T10]      inet6_addr_add+0x12f/0xa40
[ 2099.545847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.545847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.545847][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.545847][   T10]      netlink_unicast+0x449/0x710
[ 2099.545847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.545847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.545847][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.545847][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.545847][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.545847][   T10] 
[ 2099.548039][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.548039][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2099.548039][   T10]      ipv6_find_idev+0x102/0x170
[ 2099.548039][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2099.548039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.548039][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.548039][   T10]      netlink_unicast+0x449/0x710
[ 2099.548039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.548039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.548039][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.548039][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.548039][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.548039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.548039][   T10] 
[ 2099.549831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2099.549831][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2099.549831][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2099.549831][   T10]      ipv6_find_idev+0x102/0x170
[ 2099.549831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2099.549831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.549831][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.549831][   T10]      netlink_unicast+0x449/0x710
[ 2099.549831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.549831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.549831][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.549831][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.549831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.549831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.549831][   T10] 
[ 2099.551738][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2099.551984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2099.551984][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.551984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.551984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.551984][   T10]      ip6_route_add+0x1c/0x140
[ 2099.551984][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2099.551984][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2099.551984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.551984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.551984][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.551984][   T10]      netlink_unicast+0x449/0x710
[ 2099.551984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.551984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.551984][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.551984][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.551984][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.551984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.551984][   T10] 
[ 2099.554241][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2099.554241][   T10]      netdev_get_by_index+0x5e/0x80
[ 2099.554241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2099.554241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2099.554241][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2099.554241][   T10]      ipv6_add_addr+0x411/0x2000
[ 2099.554241][   T10]      inet6_addr_add+0x30e/0xa40
[ 2099.554241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2099.554241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.554241][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.554241][   T10]      netlink_unicast+0x449/0x710
[ 2099.554241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.554241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.554241][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.554241][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.554241][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.554241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.554241][   T10] 
[ 2099.556499][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2099.556499][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2099.556499][   T10]      ipv6_find_idev+0x102/0x170
[ 2099.556499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2099.556499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.556499][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.556499][   T10]      netlink_unicast+0x449/0x710
[ 2099.556499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.556499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.556499][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.556499][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.556499][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.556499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.556499][   T10] 
[ 2099.558313][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2099.558313][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2099.558313][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2099.558313][   T10]      ipv6_find_idev+0x102/0x170
[ 2099.558313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2099.558313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2099.558313][   T10]      netlink_rcv_skb+0x130/0x360
[ 2099.558313][   T10]      netlink_unicast+0x449/0x710
[ 2099.558313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2099.558313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2099.558313][   T10]      ___sys_sendmsg+0xee/0x170
[ 2099.558313][   T10]      __sys_sendmsg+0xcd/0x170
[ 2099.558313][   T10]      do_syscall_64+0xc6/0x1e0
[ 2099.558313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2099.558313][   T10] 
[ 2109.800705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2109.801178][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.801178][   T10]      dst_init+0x84/0x4a0
[ 2109.801178][   T10]      dst_alloc+0x97/0x150
[ 2109.801178][   T10]      ip6_dst_alloc+0x23/0x90
[ 2109.801178][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2109.801178][   T10]      ip6_pol_route+0x56f/0x840
[ 2109.801178][   T10]      fib6_rule_lookup+0x456/0x630
[ 2109.801178][   T10]      ip6_route_input+0x59c/0xa50
[ 2109.801178][   T10]      ipv6_rcv+0x397/0x810
[ 2109.801178][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2109.801178][   T10]      process_backlog+0x101/0x620
[ 2109.801178][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2109.801178][   T10]      net_rx_action+0x495/0xbe0
[ 2109.801178][   T10]      __do_softirq+0x1b5/0x7f6
[ 2109.801178][   T10] 
[ 2109.802868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.802868][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2109.802868][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2109.802868][   T10]      fib6_nh_init+0xa22/0x1580
[ 2109.802868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.802868][   T10]      ip6_route_add+0x1c/0x140
[ 2109.802868][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2109.802868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.802868][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.802868][   T10]      netlink_unicast+0x449/0x710
[ 2109.802868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.802868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.802868][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.802868][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.802868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.802868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.802868][   T10] 
[ 2109.804707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.804707][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.804707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.804707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.804707][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2109.804707][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2109.804707][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2109.804707][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2109.804707][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2109.804707][   T10]      addrconf_dad_begin+0x310/0x670
[ 2109.804707][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2109.804707][   T10]      process_one_work+0x84d/0x18a0
[ 2109.804707][   T10]      worker_thread+0x587/0xd30
[ 2109.804707][   T10]      kthread+0x28a/0x350
[ 2109.804707][   T10]      ret_from_fork+0x31/0x70
[ 2109.804707][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2109.804707][   T10] 
[ 2109.806598][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.806598][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.806598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.806598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.806598][   T10]      ip6_route_add+0x1c/0x140
[ 2109.806598][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2109.806598][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2109.806598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.806598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.806598][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.806598][   T10]      netlink_unicast+0x449/0x710
[ 2109.806598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.806598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.806598][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.806598][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.806598][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.806598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.806598][   T10] 
[ 2109.808658][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.808658][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.808658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.808658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.808658][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2109.808658][   T10]      ipv6_add_addr+0x411/0x2000
[ 2109.808658][   T10]      inet6_addr_add+0x30e/0xa40
[ 2109.808658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.808658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.808658][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.808658][   T10]      netlink_unicast+0x449/0x710
[ 2109.808658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.808658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.808658][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.808658][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.808658][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.808658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.808658][   T10] 
[ 2109.810611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.810611][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.810611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.810611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.810611][   T10]      ip6_route_add+0x1c/0x140
[ 2109.810611][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2109.810611][   T10]      addrconf_add_dev+0xe2/0x170
[ 2109.810611][   T10]      inet6_addr_add+0x12f/0xa40
[ 2109.810611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.810611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.810611][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.810611][   T10]      netlink_unicast+0x449/0x710
[ 2109.810611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.810611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.810611][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.810611][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.810611][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.810611][   T10] 
[ 2109.812614][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.812614][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2109.812614][   T10]      ipv6_find_idev+0x102/0x170
[ 2109.812614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2109.812614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.812614][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.812614][   T10]      netlink_unicast+0x449/0x710
[ 2109.812614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.812614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.812614][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.812614][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.812614][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.812614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.812614][   T10] 
[ 2109.814163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2109.814163][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2109.814163][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2109.814163][   T10]      ipv6_find_idev+0x102/0x170
[ 2109.814163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2109.814163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.814163][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.814163][   T10]      netlink_unicast+0x449/0x710
[ 2109.814163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.814163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.814163][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.814163][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.814163][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.814163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.814163][   T10] 
[ 2109.815891][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2109.816138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.816138][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2109.816138][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2109.816138][   T10]      fib6_nh_init+0xa22/0x1580
[ 2109.816138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.816138][   T10]      ip6_route_add+0x1c/0x140
[ 2109.816138][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2109.816138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.816138][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.816138][   T10]      netlink_unicast+0x449/0x710
[ 2109.816138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.816138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.816138][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.816138][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.816138][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.816138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.816138][   T10] 
[ 2109.818026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.818026][   T10]      dst_init+0x84/0x4a0
[ 2109.818026][   T10]      dst_alloc+0x97/0x150
[ 2109.818026][   T10]      ip6_dst_alloc+0x23/0x90
[ 2109.818026][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2109.818026][   T10]      ip6_pol_route+0x56f/0x840
[ 2109.818026][   T10]      fib6_rule_lookup+0x456/0x630
[ 2109.818026][   T10]      ip6_route_input+0x59c/0xa50
[ 2109.818026][   T10]      ipv6_rcv+0x397/0x810
[ 2109.818026][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2109.818026][   T10]      process_backlog+0x101/0x620
[ 2109.818026][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2109.818026][   T10]      net_rx_action+0x495/0xbe0
[ 2109.818026][   T10]      __do_softirq+0x1b5/0x7f6
[ 2109.818026][   T10] 
[ 2109.819597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.819597][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.819597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.819597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.819597][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2109.819597][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2109.819597][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2109.819597][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2109.819597][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2109.819597][   T10]      addrconf_dad_begin+0x310/0x670
[ 2109.819597][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2109.819597][   T10]      process_one_work+0x84d/0x18a0
[ 2109.819597][   T10]      worker_thread+0x587/0xd30
[ 2109.819597][   T10]      kthread+0x28a/0x350
[ 2109.819597][   T10]      ret_from_fork+0x31/0x70
[ 2109.819597][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2109.819597][   T10] 
[ 2109.821535][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.821535][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.821535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.821535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.821535][   T10]      ip6_route_add+0x1c/0x140
[ 2109.821535][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2109.821535][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2109.821535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.821535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.821535][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.821535][   T10]      netlink_unicast+0x449/0x710
[ 2109.821535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.821535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.821535][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.821535][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.821535][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.821535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.821535][   T10] 
[ 2109.823404][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.823404][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.823404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.823404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.823404][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2109.823404][   T10]      ipv6_add_addr+0x411/0x2000
[ 2109.823404][   T10]      inet6_addr_add+0x30e/0xa40
[ 2109.823404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.823404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.823404][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.823404][   T10]      netlink_unicast+0x449/0x710
[ 2109.823404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.823404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.823404][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.823404][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.823404][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.823404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.823404][   T10] 
[ 2109.825404][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.825404][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.825404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.825404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.825404][   T10]      ip6_route_add+0x1c/0x140
[ 2109.825404][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2109.825404][   T10]      addrconf_add_dev+0xe2/0x170
[ 2109.825404][   T10]      inet6_addr_add+0x12f/0xa40
[ 2109.825404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.825404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.825404][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.825404][   T10]      netlink_unicast+0x449/0x710
[ 2109.825404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.825404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.825404][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.825404][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.825404][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.825404][   T10] 
[ 2109.827585][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.827585][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2109.827585][   T10]      ipv6_find_idev+0x102/0x170
[ 2109.827585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2109.827585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.827585][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.827585][   T10]      netlink_unicast+0x449/0x710
[ 2109.827585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.827585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.827585][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.827585][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.827585][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.827585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.827585][   T10] 
[ 2109.829355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2109.829355][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2109.829355][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2109.829355][   T10]      ipv6_find_idev+0x102/0x170
[ 2109.829355][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2109.829355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.829355][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.829355][   T10]      netlink_unicast+0x449/0x710
[ 2109.829355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.829355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.829355][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.829355][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.829355][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.829355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.829355][   T10] 
[ 2109.831311][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2109.831572][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2109.831572][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.831572][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.831572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.831572][   T10]      ip6_route_add+0x1c/0x140
[ 2109.831572][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2109.831572][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2109.831572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.831572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.831572][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.831572][   T10]      netlink_unicast+0x449/0x710
[ 2109.831572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.831572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.831572][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.831572][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.831572][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.831572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.831572][   T10] 
[ 2109.833827][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2109.833827][   T10]      netdev_get_by_index+0x5e/0x80
[ 2109.833827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2109.833827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2109.833827][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2109.833827][   T10]      ipv6_add_addr+0x411/0x2000
[ 2109.833827][   T10]      inet6_addr_add+0x30e/0xa40
[ 2109.833827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2109.833827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.833827][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.833827][   T10]      netlink_unicast+0x449/0x710
[ 2109.833827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.833827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.833827][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.833827][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.833827][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.833827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.833827][   T10] 
[ 2109.836058][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2109.836058][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2109.836058][   T10]      ipv6_find_idev+0x102/0x170
[ 2109.836058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2109.836058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.836058][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.836058][   T10]      netlink_unicast+0x449/0x710
[ 2109.836058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.836058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.836058][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.836058][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.836058][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.836058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.836058][   T10] 
[ 2109.837801][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2109.837801][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2109.837801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2109.837801][   T10]      ipv6_find_idev+0x102/0x170
[ 2109.837801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2109.837801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2109.837801][   T10]      netlink_rcv_skb+0x130/0x360
[ 2109.837801][   T10]      netlink_unicast+0x449/0x710
[ 2109.837801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2109.837801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2109.837801][   T10]      ___sys_sendmsg+0xee/0x170
[ 2109.837801][   T10]      __sys_sendmsg+0xcd/0x170
[ 2109.837801][   T10]      do_syscall_64+0xc6/0x1e0
[ 2109.837801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2109.837801][   T10] 
[ 2120.080726][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2120.081182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.081182][   T10]      dst_init+0x84/0x4a0
[ 2120.081182][   T10]      dst_alloc+0x97/0x150
[ 2120.081182][   T10]      ip6_dst_alloc+0x23/0x90
[ 2120.081182][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2120.081182][   T10]      ip6_pol_route+0x56f/0x840
[ 2120.081182][   T10]      fib6_rule_lookup+0x456/0x630
[ 2120.081182][   T10]      ip6_route_input+0x59c/0xa50
[ 2120.081182][   T10]      ipv6_rcv+0x397/0x810
[ 2120.081182][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2120.081182][   T10]      process_backlog+0x101/0x620
[ 2120.081182][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2120.081182][   T10]      net_rx_action+0x495/0xbe0
[ 2120.081182][   T10]      __do_softirq+0x1b5/0x7f6
[ 2120.081182][   T10] 
[ 2120.082864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.082864][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2120.082864][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2120.082864][   T10]      fib6_nh_init+0xa22/0x1580
[ 2120.082864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.082864][   T10]      ip6_route_add+0x1c/0x140
[ 2120.082864][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2120.082864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.082864][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.082864][   T10]      netlink_unicast+0x449/0x710
[ 2120.082864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.082864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.082864][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.082864][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.082864][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.082864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.082864][   T10] 
[ 2120.084779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.084779][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.084779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.084779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.084779][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2120.084779][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2120.084779][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2120.084779][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2120.084779][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2120.084779][   T10]      addrconf_dad_begin+0x310/0x670
[ 2120.084779][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2120.084779][   T10]      process_one_work+0x84d/0x18a0
[ 2120.084779][   T10]      worker_thread+0x587/0xd30
[ 2120.084779][   T10]      kthread+0x28a/0x350
[ 2120.084779][   T10]      ret_from_fork+0x31/0x70
[ 2120.084779][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2120.084779][   T10] 
[ 2120.086725][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.086725][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.086725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.086725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.086725][   T10]      ip6_route_add+0x1c/0x140
[ 2120.086725][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2120.086725][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2120.086725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.086725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.086725][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.086725][   T10]      netlink_unicast+0x449/0x710
[ 2120.086725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.086725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.086725][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.086725][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.086725][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.086725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.086725][   T10] 
[ 2120.088672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.088672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.088672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.088672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.088672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2120.088672][   T10]      ipv6_add_addr+0x411/0x2000
[ 2120.088672][   T10]      inet6_addr_add+0x30e/0xa40
[ 2120.088672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.088672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.088672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.088672][   T10]      netlink_unicast+0x449/0x710
[ 2120.088672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.088672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.088672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.088672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.088672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.088672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.088672][   T10] 
[ 2120.090585][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.090585][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.090585][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.090585][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.090585][   T10]      ip6_route_add+0x1c/0x140
[ 2120.090585][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2120.090585][   T10]      addrconf_add_dev+0xe2/0x170
[ 2120.090585][   T10]      inet6_addr_add+0x12f/0xa40
[ 2120.090585][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.090585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.090585][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.090585][   T10]      netlink_unicast+0x449/0x710
[ 2120.090585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.090585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.090585][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.090585][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.090585][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.090585][   T10] 
[ 2120.092471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.092471][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2120.092471][   T10]      ipv6_find_idev+0x102/0x170
[ 2120.092471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2120.092471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.092471][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.092471][   T10]      netlink_unicast+0x449/0x710
[ 2120.092471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.092471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.092471][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.092471][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.092471][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.092471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.092471][   T10] 
[ 2120.094000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2120.094000][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2120.094000][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2120.094000][   T10]      ipv6_find_idev+0x102/0x170
[ 2120.094000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2120.094000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.094000][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.094000][   T10]      netlink_unicast+0x449/0x710
[ 2120.094000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.094000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.094000][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.094000][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.094000][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.094000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.094000][   T10] 
[ 2120.095779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2120.096026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.096026][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2120.096026][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2120.096026][   T10]      fib6_nh_init+0xa22/0x1580
[ 2120.096026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.096026][   T10]      ip6_route_add+0x1c/0x140
[ 2120.096026][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2120.096026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.096026][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.096026][   T10]      netlink_unicast+0x449/0x710
[ 2120.096026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.096026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.096026][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.096026][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.096026][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.096026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.096026][   T10] 
[ 2120.098332][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.098332][   T10]      dst_init+0x84/0x4a0
[ 2120.098332][   T10]      dst_alloc+0x97/0x150
[ 2120.098332][   T10]      ip6_dst_alloc+0x23/0x90
[ 2120.098332][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2120.098332][   T10]      ip6_pol_route+0x56f/0x840
[ 2120.098332][   T10]      fib6_rule_lookup+0x456/0x630
[ 2120.098332][   T10]      ip6_route_input+0x59c/0xa50
[ 2120.098332][   T10]      ipv6_rcv+0x397/0x810
[ 2120.098332][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2120.098332][   T10]      process_backlog+0x101/0x620
[ 2120.098332][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2120.098332][   T10]      net_rx_action+0x495/0xbe0
[ 2120.098332][   T10]      __do_softirq+0x1b5/0x7f6
[ 2120.098332][   T10] 
[ 2120.100005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.100005][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.100005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.100005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.100005][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2120.100005][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2120.100005][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2120.100005][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2120.100005][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2120.100005][   T10]      addrconf_dad_begin+0x310/0x670
[ 2120.100005][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2120.100005][   T10]      process_one_work+0x84d/0x18a0
[ 2120.100005][   T10]      worker_thread+0x587/0xd30
[ 2120.100005][   T10]      kthread+0x28a/0x350
[ 2120.100005][   T10]      ret_from_fork+0x31/0x70
[ 2120.100005][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2120.100005][   T10] 
[ 2120.101948][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.101948][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.101948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.101948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.101948][   T10]      ip6_route_add+0x1c/0x140
[ 2120.101948][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2120.101948][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2120.101948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.101948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.101948][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.101948][   T10]      netlink_unicast+0x449/0x710
[ 2120.101948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.101948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.101948][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.101948][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.101948][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.101948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.101948][   T10] 
[ 2120.104001][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.104001][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.104001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.104001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.104001][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2120.104001][   T10]      ipv6_add_addr+0x411/0x2000
[ 2120.104001][   T10]      inet6_addr_add+0x30e/0xa40
[ 2120.104001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.104001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.104001][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.104001][   T10]      netlink_unicast+0x449/0x710
[ 2120.104001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.104001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.104001][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.104001][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.104001][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.104001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.104001][   T10] 
[ 2120.106019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.106019][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.106019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.106019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.106019][   T10]      ip6_route_add+0x1c/0x140
[ 2120.106019][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2120.106019][   T10]      addrconf_add_dev+0xe2/0x170
[ 2120.106019][   T10]      inet6_addr_add+0x12f/0xa40
[ 2120.106019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.106019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.106019][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.106019][   T10]      netlink_unicast+0x449/0x710
[ 2120.106019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.106019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.106019][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.106019][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.106019][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.106019][   T10] 
[ 2120.108211][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.108211][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2120.108211][   T10]      ipv6_find_idev+0x102/0x170
[ 2120.108211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2120.108211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.108211][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.108211][   T10]      netlink_unicast+0x449/0x710
[ 2120.108211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.108211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.108211][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.108211][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.108211][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.108211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.108211][   T10] 
[ 2120.110391][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2120.110391][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2120.110391][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2120.110391][   T10]      ipv6_find_idev+0x102/0x170
[ 2120.110391][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2120.110391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.110391][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.110391][   T10]      netlink_unicast+0x449/0x710
[ 2120.110391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.110391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.110391][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.110391][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.110391][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.110391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.110391][   T10] 
[ 2120.112288][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2120.112544][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2120.112544][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.112544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.112544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.112544][   T10]      ip6_route_add+0x1c/0x140
[ 2120.112544][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2120.112544][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2120.112544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.112544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.112544][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.112544][   T10]      netlink_unicast+0x449/0x710
[ 2120.112544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.112544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.112544][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.112544][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.112544][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.112544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.112544][   T10] 
[ 2120.114818][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2120.114818][   T10]      netdev_get_by_index+0x5e/0x80
[ 2120.114818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2120.114818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2120.114818][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2120.114818][   T10]      ipv6_add_addr+0x411/0x2000
[ 2120.114818][   T10]      inet6_addr_add+0x30e/0xa40
[ 2120.114818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2120.114818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.114818][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.114818][   T10]      netlink_unicast+0x449/0x710
[ 2120.114818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.114818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.114818][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.114818][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.114818][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.114818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.114818][   T10] 
[ 2120.117090][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2120.117090][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2120.117090][   T10]      ipv6_find_idev+0x102/0x170
[ 2120.117090][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2120.117090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.117090][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.117090][   T10]      netlink_unicast+0x449/0x710
[ 2120.117090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.117090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.117090][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.117090][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.117090][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.117090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.117090][   T10] 
[ 2120.118907][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2120.118907][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2120.118907][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2120.118907][   T10]      ipv6_find_idev+0x102/0x170
[ 2120.118907][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2120.118907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2120.118907][   T10]      netlink_rcv_skb+0x130/0x360
[ 2120.118907][   T10]      netlink_unicast+0x449/0x710
[ 2120.118907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2120.118907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2120.118907][   T10]      ___sys_sendmsg+0xee/0x170
[ 2120.118907][   T10]      __sys_sendmsg+0xcd/0x170
[ 2120.118907][   T10]      do_syscall_64+0xc6/0x1e0
[ 2120.118907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2120.118907][   T10] 
[ 2130.360765][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2130.361351][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.361351][   T10]      dst_init+0x84/0x4a0
[ 2130.361351][   T10]      dst_alloc+0x97/0x150
[ 2130.361351][   T10]      ip6_dst_alloc+0x23/0x90
[ 2130.361351][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2130.361351][   T10]      ip6_pol_route+0x56f/0x840
[ 2130.361351][   T10]      fib6_rule_lookup+0x456/0x630
[ 2130.361351][   T10]      ip6_route_input+0x59c/0xa50
[ 2130.361351][   T10]      ipv6_rcv+0x397/0x810
[ 2130.361351][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2130.361351][   T10]      process_backlog+0x101/0x620
[ 2130.361351][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2130.361351][   T10]      net_rx_action+0x495/0xbe0
[ 2130.361351][   T10]      __do_softirq+0x1b5/0x7f6
[ 2130.361351][   T10] 
[ 2130.362997][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.362997][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2130.362997][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2130.362997][   T10]      fib6_nh_init+0xa22/0x1580
[ 2130.362997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.362997][   T10]      ip6_route_add+0x1c/0x140
[ 2130.362997][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2130.362997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.362997][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.362997][   T10]      netlink_unicast+0x449/0x710
[ 2130.362997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.362997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.362997][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.362997][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.362997][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.362997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.362997][   T10] 
[ 2130.364843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.364843][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.364843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.364843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.364843][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2130.364843][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2130.364843][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2130.364843][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2130.364843][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2130.364843][   T10]      addrconf_dad_begin+0x310/0x670
[ 2130.364843][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2130.364843][   T10]      process_one_work+0x84d/0x18a0
[ 2130.364843][   T10]      worker_thread+0x587/0xd30
[ 2130.364843][   T10]      kthread+0x28a/0x350
[ 2130.364843][   T10]      ret_from_fork+0x31/0x70
[ 2130.364843][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2130.364843][   T10] 
[ 2130.366744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.366744][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.366744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.366744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.366744][   T10]      ip6_route_add+0x1c/0x140
[ 2130.366744][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2130.366744][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2130.366744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.366744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.366744][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.366744][   T10]      netlink_unicast+0x449/0x710
[ 2130.366744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.366744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.366744][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.366744][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.366744][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.366744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.366744][   T10] 
[ 2130.368687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.368687][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.368687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.368687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.368687][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2130.368687][   T10]      ipv6_add_addr+0x411/0x2000
[ 2130.368687][   T10]      inet6_addr_add+0x30e/0xa40
[ 2130.368687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.368687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.368687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.368687][   T10]      netlink_unicast+0x449/0x710
[ 2130.368687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.368687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.368687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.368687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.368687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.368687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.368687][   T10] 
[ 2130.371056][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.371056][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.371056][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.371056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.371056][   T10]      ip6_route_add+0x1c/0x140
[ 2130.371056][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2130.371056][   T10]      addrconf_add_dev+0xe2/0x170
[ 2130.371056][   T10]      inet6_addr_add+0x12f/0xa40
[ 2130.371056][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.371056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.371056][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.371056][   T10]      netlink_unicast+0x449/0x710
[ 2130.371056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.371056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.371056][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.371056][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.371056][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.371056][   T10] 
[ 2130.374261][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.374261][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2130.374261][   T10]      ipv6_find_idev+0x102/0x170
[ 2130.374261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2130.374261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.374261][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.374261][   T10]      netlink_unicast+0x449/0x710
[ 2130.374261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.374261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.374261][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.374261][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.374261][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.374261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.374261][   T10] 
[ 2130.376807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2130.376807][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2130.376807][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2130.376807][   T10]      ipv6_find_idev+0x102/0x170
[ 2130.376807][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2130.376807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.376807][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.376807][   T10]      netlink_unicast+0x449/0x710
[ 2130.376807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.376807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.376807][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.376807][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.376807][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.376807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.376807][   T10] 
[ 2130.379524][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2130.379977][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.379977][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2130.379977][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2130.379977][   T10]      fib6_nh_init+0xa22/0x1580
[ 2130.379977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.379977][   T10]      ip6_route_add+0x1c/0x140
[ 2130.379977][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2130.379977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.379977][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.379977][   T10]      netlink_unicast+0x449/0x710
[ 2130.379977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.379977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.379977][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.379977][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.379977][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.379977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.379977][   T10] 
[ 2130.383078][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.383078][   T10]      dst_init+0x84/0x4a0
[ 2130.383078][   T10]      dst_alloc+0x97/0x150
[ 2130.383078][   T10]      ip6_dst_alloc+0x23/0x90
[ 2130.383078][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2130.383078][   T10]      ip6_pol_route+0x56f/0x840
[ 2130.383078][   T10]      fib6_rule_lookup+0x456/0x630
[ 2130.383078][   T10]      ip6_route_input+0x59c/0xa50
[ 2130.383078][   T10]      ipv6_rcv+0x397/0x810
[ 2130.383078][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2130.383078][   T10]      process_backlog+0x101/0x620
[ 2130.383078][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2130.383078][   T10]      net_rx_action+0x495/0xbe0
[ 2130.383078][   T10]      __do_softirq+0x1b5/0x7f6
[ 2130.383078][   T10] 
[ 2130.385741][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.385741][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.385741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.385741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.385741][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2130.385741][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2130.385741][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2130.385741][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2130.385741][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2130.385741][   T10]      addrconf_dad_begin+0x310/0x670
[ 2130.385741][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2130.385741][   T10]      process_one_work+0x84d/0x18a0
[ 2130.385741][   T10]      worker_thread+0x587/0xd30
[ 2130.385741][   T10]      kthread+0x28a/0x350
[ 2130.385741][   T10]      ret_from_fork+0x31/0x70
[ 2130.385741][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2130.385741][   T10] 
[ 2130.388791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.388791][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.388791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.388791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.388791][   T10]      ip6_route_add+0x1c/0x140
[ 2130.388791][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2130.388791][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2130.388791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.388791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.388791][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.388791][   T10]      netlink_unicast+0x449/0x710
[ 2130.388791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.388791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.388791][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.388791][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.388791][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.388791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.388791][   T10] 
[ 2130.392084][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.392084][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.392084][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.392084][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.392084][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2130.392084][   T10]      ipv6_add_addr+0x411/0x2000
[ 2130.392084][   T10]      inet6_addr_add+0x30e/0xa40
[ 2130.392084][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.392084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.392084][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.392084][   T10]      netlink_unicast+0x449/0x710
[ 2130.392084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.392084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.392084][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.392084][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.392084][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.392084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.392084][   T10] 
[ 2130.395389][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.395389][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.395389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.395389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.395389][   T10]      ip6_route_add+0x1c/0x140
[ 2130.395389][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2130.395389][   T10]      addrconf_add_dev+0xe2/0x170
[ 2130.395389][   T10]      inet6_addr_add+0x12f/0xa40
[ 2130.395389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.395389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.395389][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.395389][   T10]      netlink_unicast+0x449/0x710
[ 2130.395389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.395389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.395389][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.395389][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.395389][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.395389][   T10] 
[ 2130.398899][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.398899][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2130.398899][   T10]      ipv6_find_idev+0x102/0x170
[ 2130.398899][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2130.398899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.398899][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.398899][   T10]      netlink_unicast+0x449/0x710
[ 2130.398899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.398899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.398899][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.398899][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.398899][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.398899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.398899][   T10] 
[ 2130.401806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2130.401806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2130.401806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2130.401806][   T10]      ipv6_find_idev+0x102/0x170
[ 2130.401806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2130.401806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.401806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.401806][   T10]      netlink_unicast+0x449/0x710
[ 2130.401806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.401806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.401806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.401806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.401806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.401806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.401806][   T10] 
[ 2130.404906][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2130.405375][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2130.405375][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.405375][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.405375][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.405375][   T10]      ip6_route_add+0x1c/0x140
[ 2130.405375][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2130.405375][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2130.405375][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.405375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.405375][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.405375][   T10]      netlink_unicast+0x449/0x710
[ 2130.405375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.405375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.405375][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.405375][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.405375][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.405375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.405375][   T10] 
[ 2130.408932][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2130.408932][   T10]      netdev_get_by_index+0x5e/0x80
[ 2130.408932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2130.408932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2130.408932][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2130.408932][   T10]      ipv6_add_addr+0x411/0x2000
[ 2130.408932][   T10]      inet6_addr_add+0x30e/0xa40
[ 2130.408932][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2130.408932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.408932][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.408932][   T10]      netlink_unicast+0x449/0x710
[ 2130.408932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.408932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.408932][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.408932][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.408932][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.408932][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.408932][   T10] 
[ 2130.412519][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2130.412519][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2130.412519][   T10]      ipv6_find_idev+0x102/0x170
[ 2130.412519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2130.412519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.412519][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.412519][   T10]      netlink_unicast+0x449/0x710
[ 2130.412519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.412519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.412519][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.412519][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.412519][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.412519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.412519][   T10] 
[ 2130.415252][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2130.415252][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2130.415252][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2130.415252][   T10]      ipv6_find_idev+0x102/0x170
[ 2130.415252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2130.415252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2130.415252][   T10]      netlink_rcv_skb+0x130/0x360
[ 2130.415252][   T10]      netlink_unicast+0x449/0x710
[ 2130.415252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2130.415252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2130.415252][   T10]      ___sys_sendmsg+0xee/0x170
[ 2130.415252][   T10]      __sys_sendmsg+0xcd/0x170
[ 2130.415252][   T10]      do_syscall_64+0xc6/0x1e0
[ 2130.415252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2130.415252][   T10] 
[ 2140.656744][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2140.657182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.657182][   T10]      dst_init+0x84/0x4a0
[ 2140.657182][   T10]      dst_alloc+0x97/0x150
[ 2140.657182][   T10]      ip6_dst_alloc+0x23/0x90
[ 2140.657182][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2140.657182][   T10]      ip6_pol_route+0x56f/0x840
[ 2140.657182][   T10]      fib6_rule_lookup+0x456/0x630
[ 2140.657182][   T10]      ip6_route_input+0x59c/0xa50
[ 2140.657182][   T10]      ipv6_rcv+0x397/0x810
[ 2140.657182][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2140.657182][   T10]      process_backlog+0x101/0x620
[ 2140.657182][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2140.657182][   T10]      net_rx_action+0x495/0xbe0
[ 2140.657182][   T10]      __do_softirq+0x1b5/0x7f6
[ 2140.657182][   T10] 
[ 2140.658825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.658825][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2140.658825][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2140.658825][   T10]      fib6_nh_init+0xa22/0x1580
[ 2140.658825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.658825][   T10]      ip6_route_add+0x1c/0x140
[ 2140.658825][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2140.658825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.658825][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.658825][   T10]      netlink_unicast+0x449/0x710
[ 2140.658825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.658825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.658825][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.658825][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.658825][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.658825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.658825][   T10] 
[ 2140.660705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.660705][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.660705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.660705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.660705][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2140.660705][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2140.660705][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2140.660705][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2140.660705][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2140.660705][   T10]      addrconf_dad_begin+0x310/0x670
[ 2140.660705][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2140.660705][   T10]      process_one_work+0x84d/0x18a0
[ 2140.660705][   T10]      worker_thread+0x587/0xd30
[ 2140.660705][   T10]      kthread+0x28a/0x350
[ 2140.660705][   T10]      ret_from_fork+0x31/0x70
[ 2140.660705][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2140.660705][   T10] 
[ 2140.662621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.662621][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.662621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.662621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.662621][   T10]      ip6_route_add+0x1c/0x140
[ 2140.662621][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2140.662621][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2140.662621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.662621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.662621][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.662621][   T10]      netlink_unicast+0x449/0x710
[ 2140.662621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.662621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.662621][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.662621][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.662621][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.662621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.662621][   T10] 
[ 2140.664680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.664680][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.664680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.664680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.664680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2140.664680][   T10]      ipv6_add_addr+0x411/0x2000
[ 2140.664680][   T10]      inet6_addr_add+0x30e/0xa40
[ 2140.664680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.664680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.664680][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.664680][   T10]      netlink_unicast+0x449/0x710
[ 2140.664680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.664680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.664680][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.664680][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.664680][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.664680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.664680][   T10] 
[ 2140.666704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.666704][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.666704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.666704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.666704][   T10]      ip6_route_add+0x1c/0x140
[ 2140.666704][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2140.666704][   T10]      addrconf_add_dev+0xe2/0x170
[ 2140.666704][   T10]      inet6_addr_add+0x12f/0xa40
[ 2140.666704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.666704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.666704][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.666704][   T10]      netlink_unicast+0x449/0x710
[ 2140.666704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.666704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.666704][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.666704][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.666704][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.666704][   T10] 
[ 2140.668719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.668719][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2140.668719][   T10]      ipv6_find_idev+0x102/0x170
[ 2140.668719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2140.668719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.668719][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.668719][   T10]      netlink_unicast+0x449/0x710
[ 2140.668719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.668719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.668719][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.668719][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.668719][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.668719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.668719][   T10] 
[ 2140.670262][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2140.670262][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2140.670262][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2140.670262][   T10]      ipv6_find_idev+0x102/0x170
[ 2140.670262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2140.670262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.670262][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.670262][   T10]      netlink_unicast+0x449/0x710
[ 2140.670262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.670262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.670262][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.670262][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.670262][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.670262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.670262][   T10] 
[ 2140.671972][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2140.672208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.672208][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2140.672208][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2140.672208][   T10]      fib6_nh_init+0xa22/0x1580
[ 2140.672208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.672208][   T10]      ip6_route_add+0x1c/0x140
[ 2140.672208][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2140.672208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.672208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.672208][   T10]      netlink_unicast+0x449/0x710
[ 2140.672208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.672208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.672208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.672208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.672208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.672208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.672208][   T10] 
[ 2140.674092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.674092][   T10]      dst_init+0x84/0x4a0
[ 2140.674092][   T10]      dst_alloc+0x97/0x150
[ 2140.674092][   T10]      ip6_dst_alloc+0x23/0x90
[ 2140.674092][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2140.674092][   T10]      ip6_pol_route+0x56f/0x840
[ 2140.674092][   T10]      fib6_rule_lookup+0x456/0x630
[ 2140.674092][   T10]      ip6_route_input+0x59c/0xa50
[ 2140.674092][   T10]      ipv6_rcv+0x397/0x810
[ 2140.674092][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2140.674092][   T10]      process_backlog+0x101/0x620
[ 2140.674092][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2140.674092][   T10]      net_rx_action+0x495/0xbe0
[ 2140.674092][   T10]      __do_softirq+0x1b5/0x7f6
[ 2140.674092][   T10] 
[ 2140.675737][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.675737][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.675737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.675737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.675737][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2140.675737][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2140.675737][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2140.675737][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2140.675737][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2140.675737][   T10]      addrconf_dad_begin+0x310/0x670
[ 2140.675737][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2140.675737][   T10]      process_one_work+0x84d/0x18a0
[ 2140.675737][   T10]      worker_thread+0x587/0xd30
[ 2140.675737][   T10]      kthread+0x28a/0x350
[ 2140.675737][   T10]      ret_from_fork+0x31/0x70
[ 2140.675737][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2140.675737][   T10] 
[ 2140.677671][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.677671][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.677671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.677671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.677671][   T10]      ip6_route_add+0x1c/0x140
[ 2140.677671][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2140.677671][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2140.677671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.677671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.677671][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.677671][   T10]      netlink_unicast+0x449/0x710
[ 2140.677671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.677671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.677671][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.677671][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.677671][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.677671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.677671][   T10] 
[ 2140.679688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.679688][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.679688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.679688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.679688][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2140.679688][   T10]      ipv6_add_addr+0x411/0x2000
[ 2140.679688][   T10]      inet6_addr_add+0x30e/0xa40
[ 2140.679688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.679688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.679688][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.679688][   T10]      netlink_unicast+0x449/0x710
[ 2140.679688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.679688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.679688][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.679688][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.679688][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.679688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.679688][   T10] 
[ 2140.681692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.681692][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.681692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.681692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.681692][   T10]      ip6_route_add+0x1c/0x140
[ 2140.681692][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2140.681692][   T10]      addrconf_add_dev+0xe2/0x170
[ 2140.681692][   T10]      inet6_addr_add+0x12f/0xa40
[ 2140.681692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.681692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.681692][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.681692][   T10]      netlink_unicast+0x449/0x710
[ 2140.681692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.681692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.681692][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.681692][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.681692][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.681692][   T10] 
[ 2140.683869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.683869][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2140.683869][   T10]      ipv6_find_idev+0x102/0x170
[ 2140.683869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2140.683869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.683869][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.683869][   T10]      netlink_unicast+0x449/0x710
[ 2140.683869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.683869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.683869][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.683869][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.683869][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.683869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.683869][   T10] 
[ 2140.685667][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2140.685667][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2140.685667][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2140.685667][   T10]      ipv6_find_idev+0x102/0x170
[ 2140.685667][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2140.685667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.685667][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.685667][   T10]      netlink_unicast+0x449/0x710
[ 2140.685667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.685667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.685667][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.685667][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.685667][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.685667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.685667][   T10] 
[ 2140.687529][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2140.687832][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2140.687832][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.687832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.687832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.687832][   T10]      ip6_route_add+0x1c/0x140
[ 2140.687832][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2140.687832][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2140.687832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.687832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.687832][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.687832][   T10]      netlink_unicast+0x449/0x710
[ 2140.687832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.687832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.687832][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.687832][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.687832][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.687832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.687832][   T10] 
[ 2140.690018][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2140.690018][   T10]      netdev_get_by_index+0x5e/0x80
[ 2140.690018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2140.690018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2140.690018][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2140.690018][   T10]      ipv6_add_addr+0x411/0x2000
[ 2140.690018][   T10]      inet6_addr_add+0x30e/0xa40
[ 2140.690018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2140.690018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.690018][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.690018][   T10]      netlink_unicast+0x449/0x710
[ 2140.690018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.690018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.690018][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.690018][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.690018][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.690018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.690018][   T10] 
[ 2140.692276][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2140.692276][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2140.692276][   T10]      ipv6_find_idev+0x102/0x170
[ 2140.692276][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2140.692276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.692276][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.692276][   T10]      netlink_unicast+0x449/0x710
[ 2140.692276][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.692276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.692276][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.692276][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.692276][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.692276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.692276][   T10] 
[ 2140.694096][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2140.694096][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2140.694096][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2140.694096][   T10]      ipv6_find_idev+0x102/0x170
[ 2140.694096][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2140.694096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2140.694096][   T10]      netlink_rcv_skb+0x130/0x360
[ 2140.694096][   T10]      netlink_unicast+0x449/0x710
[ 2140.694096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2140.694096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2140.694096][   T10]      ___sys_sendmsg+0xee/0x170
[ 2140.694096][   T10]      __sys_sendmsg+0xcd/0x170
[ 2140.694096][   T10]      do_syscall_64+0xc6/0x1e0
[ 2140.694096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2140.694096][   T10] 
[ 2150.936757][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2150.937456][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.937456][   T10]      dst_init+0x84/0x4a0
[ 2150.937456][   T10]      dst_alloc+0x97/0x150
[ 2150.937456][   T10]      ip6_dst_alloc+0x23/0x90
[ 2150.937456][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2150.937456][   T10]      ip6_pol_route+0x56f/0x840
[ 2150.937456][   T10]      fib6_rule_lookup+0x456/0x630
[ 2150.937456][   T10]      ip6_route_input+0x59c/0xa50
[ 2150.937456][   T10]      ipv6_rcv+0x397/0x810
[ 2150.937456][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2150.937456][   T10]      process_backlog+0x101/0x620
[ 2150.937456][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2150.937456][   T10]      net_rx_action+0x495/0xbe0
[ 2150.937456][   T10]      __do_softirq+0x1b5/0x7f6
[ 2150.937456][   T10] 
[ 2150.939096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.939096][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2150.939096][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2150.939096][   T10]      fib6_nh_init+0xa22/0x1580
[ 2150.939096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.939096][   T10]      ip6_route_add+0x1c/0x140
[ 2150.939096][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2150.939096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.939096][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.939096][   T10]      netlink_unicast+0x449/0x710
[ 2150.939096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.939096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.939096][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.939096][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.939096][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.939096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.939096][   T10] 
[ 2150.941119][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.941119][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.941119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.941119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.941119][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2150.941119][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2150.941119][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2150.941119][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2150.941119][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2150.941119][   T10]      addrconf_dad_begin+0x310/0x670
[ 2150.941119][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2150.941119][   T10]      process_one_work+0x84d/0x18a0
[ 2150.941119][   T10]      worker_thread+0x587/0xd30
[ 2150.941119][   T10]      kthread+0x28a/0x350
[ 2150.941119][   T10]      ret_from_fork+0x31/0x70
[ 2150.941119][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2150.941119][   T10] 
[ 2150.944272][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.944272][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.944272][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.944272][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.944272][   T10]      ip6_route_add+0x1c/0x140
[ 2150.944272][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2150.944272][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2150.944272][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.944272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.944272][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.944272][   T10]      netlink_unicast+0x449/0x710
[ 2150.944272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.944272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.944272][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.944272][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.944272][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.944272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.944272][   T10] 
[ 2150.947597][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.947597][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.947597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.947597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.947597][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2150.947597][   T10]      ipv6_add_addr+0x411/0x2000
[ 2150.947597][   T10]      inet6_addr_add+0x30e/0xa40
[ 2150.947597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.947597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.947597][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.947597][   T10]      netlink_unicast+0x449/0x710
[ 2150.947597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.947597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.947597][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.947597][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.947597][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.947597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.947597][   T10] 
[ 2150.950842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.950842][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.950842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.950842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.950842][   T10]      ip6_route_add+0x1c/0x140
[ 2150.950842][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2150.950842][   T10]      addrconf_add_dev+0xe2/0x170
[ 2150.950842][   T10]      inet6_addr_add+0x12f/0xa40
[ 2150.950842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.950842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.950842][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.950842][   T10]      netlink_unicast+0x449/0x710
[ 2150.950842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.950842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.950842][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.950842][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.950842][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.950842][   T10] 
[ 2150.953980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.953980][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2150.953980][   T10]      ipv6_find_idev+0x102/0x170
[ 2150.953980][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2150.953980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.953980][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.953980][   T10]      netlink_unicast+0x449/0x710
[ 2150.953980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.953980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.953980][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.953980][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.953980][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.953980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.953980][   T10] 
[ 2150.956558][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2150.956558][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2150.956558][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2150.956558][   T10]      ipv6_find_idev+0x102/0x170
[ 2150.956558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2150.956558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.956558][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.956558][   T10]      netlink_unicast+0x449/0x710
[ 2150.956558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.956558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.956558][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.956558][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.956558][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.956558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.956558][   T10] 
[ 2150.959288][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2150.959660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.959660][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2150.959660][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2150.959660][   T10]      fib6_nh_init+0xa22/0x1580
[ 2150.959660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.959660][   T10]      ip6_route_add+0x1c/0x140
[ 2150.959660][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2150.959660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.959660][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.959660][   T10]      netlink_unicast+0x449/0x710
[ 2150.959660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.959660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.959660][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.959660][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.959660][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.959660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.959660][   T10] 
[ 2150.962709][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.962709][   T10]      dst_init+0x84/0x4a0
[ 2150.962709][   T10]      dst_alloc+0x97/0x150
[ 2150.962709][   T10]      ip6_dst_alloc+0x23/0x90
[ 2150.962709][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2150.962709][   T10]      ip6_pol_route+0x56f/0x840
[ 2150.962709][   T10]      fib6_rule_lookup+0x456/0x630
[ 2150.962709][   T10]      ip6_route_input+0x59c/0xa50
[ 2150.962709][   T10]      ipv6_rcv+0x397/0x810
[ 2150.962709][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2150.962709][   T10]      process_backlog+0x101/0x620
[ 2150.962709][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2150.962709][   T10]      net_rx_action+0x495/0xbe0
[ 2150.962709][   T10]      __do_softirq+0x1b5/0x7f6
[ 2150.962709][   T10] 
[ 2150.965387][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.965387][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.965387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.965387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.965387][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2150.965387][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2150.965387][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2150.965387][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2150.965387][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2150.965387][   T10]      addrconf_dad_begin+0x310/0x670
[ 2150.965387][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2150.965387][   T10]      process_one_work+0x84d/0x18a0
[ 2150.965387][   T10]      worker_thread+0x587/0xd30
[ 2150.965387][   T10]      kthread+0x28a/0x350
[ 2150.965387][   T10]      ret_from_fork+0x31/0x70
[ 2150.965387][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2150.965387][   T10] 
[ 2150.968440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.968440][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.968440][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.968440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.968440][   T10]      ip6_route_add+0x1c/0x140
[ 2150.968440][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2150.968440][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2150.968440][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.968440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.968440][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.968440][   T10]      netlink_unicast+0x449/0x710
[ 2150.968440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.968440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.968440][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.968440][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.968440][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.968440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.968440][   T10] 
[ 2150.971629][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.971629][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.971629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.971629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.971629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2150.971629][   T10]      ipv6_add_addr+0x411/0x2000
[ 2150.971629][   T10]      inet6_addr_add+0x30e/0xa40
[ 2150.971629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.971629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.971629][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.971629][   T10]      netlink_unicast+0x449/0x710
[ 2150.971629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.971629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.971629][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.971629][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.971629][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.971629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.971629][   T10] 
[ 2150.974833][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.974833][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.974833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.974833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.974833][   T10]      ip6_route_add+0x1c/0x140
[ 2150.974833][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2150.974833][   T10]      addrconf_add_dev+0xe2/0x170
[ 2150.974833][   T10]      inet6_addr_add+0x12f/0xa40
[ 2150.974833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.974833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.974833][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.974833][   T10]      netlink_unicast+0x449/0x710
[ 2150.974833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.974833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.974833][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.974833][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.974833][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.974833][   T10] 
[ 2150.978318][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.978318][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2150.978318][   T10]      ipv6_find_idev+0x102/0x170
[ 2150.978318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2150.978318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.978318][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.978318][   T10]      netlink_unicast+0x449/0x710
[ 2150.978318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.978318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.978318][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.978318][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.978318][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.978318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.978318][   T10] 
[ 2150.981121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2150.981121][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2150.981121][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2150.981121][   T10]      ipv6_find_idev+0x102/0x170
[ 2150.981121][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2150.981121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.981121][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.981121][   T10]      netlink_unicast+0x449/0x710
[ 2150.981121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.981121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.981121][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.981121][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.981121][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.981121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.981121][   T10] 
[ 2150.984256][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2150.984796][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2150.984796][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.984796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.984796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.984796][   T10]      ip6_route_add+0x1c/0x140
[ 2150.984796][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2150.984796][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2150.984796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.984796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.984796][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.984796][   T10]      netlink_unicast+0x449/0x710
[ 2150.984796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.984796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.984796][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.984796][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.984796][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.984796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.984796][   T10] 
[ 2150.988273][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2150.988273][   T10]      netdev_get_by_index+0x5e/0x80
[ 2150.988273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2150.988273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2150.988273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2150.988273][   T10]      ipv6_add_addr+0x411/0x2000
[ 2150.988273][   T10]      inet6_addr_add+0x30e/0xa40
[ 2150.988273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2150.988273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.988273][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.988273][   T10]      netlink_unicast+0x449/0x710
[ 2150.988273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.988273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.988273][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.988273][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.988273][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.988273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.988273][   T10] 
[ 2150.991734][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2150.991734][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2150.991734][   T10]      ipv6_find_idev+0x102/0x170
[ 2150.991734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2150.991734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.991734][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.991734][   T10]      netlink_unicast+0x449/0x710
[ 2150.991734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.991734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.991734][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.991734][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.991734][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.991734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.991734][   T10] 
[ 2150.994465][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2150.994465][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2150.994465][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2150.994465][   T10]      ipv6_find_idev+0x102/0x170
[ 2150.994465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2150.994465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2150.994465][   T10]      netlink_rcv_skb+0x130/0x360
[ 2150.994465][   T10]      netlink_unicast+0x449/0x710
[ 2150.994465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2150.994465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2150.994465][   T10]      ___sys_sendmsg+0xee/0x170
[ 2150.994465][   T10]      __sys_sendmsg+0xcd/0x170
[ 2150.994465][   T10]      do_syscall_64+0xc6/0x1e0
[ 2150.994465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2150.994465][   T10] 
[ 2161.232789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2161.233296][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.233296][   T10]      dst_init+0x84/0x4a0
[ 2161.233296][   T10]      dst_alloc+0x97/0x150
[ 2161.233296][   T10]      ip6_dst_alloc+0x23/0x90
[ 2161.233296][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2161.233296][   T10]      ip6_pol_route+0x56f/0x840
[ 2161.233296][   T10]      fib6_rule_lookup+0x456/0x630
[ 2161.233296][   T10]      ip6_route_input+0x59c/0xa50
[ 2161.233296][   T10]      ipv6_rcv+0x397/0x810
[ 2161.233296][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2161.233296][   T10]      process_backlog+0x101/0x620
[ 2161.233296][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2161.233296][   T10]      net_rx_action+0x495/0xbe0
[ 2161.233296][   T10]      __do_softirq+0x1b5/0x7f6
[ 2161.233296][   T10] 
[ 2161.234999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.234999][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2161.234999][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2161.234999][   T10]      fib6_nh_init+0xa22/0x1580
[ 2161.234999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.234999][   T10]      ip6_route_add+0x1c/0x140
[ 2161.234999][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2161.234999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.234999][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.234999][   T10]      netlink_unicast+0x449/0x710
[ 2161.234999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.234999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.234999][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.234999][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.234999][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.234999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.234999][   T10] 
[ 2161.236925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.236925][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.236925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.236925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.236925][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2161.236925][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2161.236925][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2161.236925][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2161.236925][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2161.236925][   T10]      addrconf_dad_begin+0x310/0x670
[ 2161.236925][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2161.236925][   T10]      process_one_work+0x84d/0x18a0
[ 2161.236925][   T10]      worker_thread+0x587/0xd30
[ 2161.236925][   T10]      kthread+0x28a/0x350
[ 2161.236925][   T10]      ret_from_fork+0x31/0x70
[ 2161.236925][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2161.236925][   T10] 
[ 2161.238860][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.238860][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.238860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.238860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.238860][   T10]      ip6_route_add+0x1c/0x140
[ 2161.238860][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2161.238860][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2161.238860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.238860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.238860][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.238860][   T10]      netlink_unicast+0x449/0x710
[ 2161.238860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.238860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.238860][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.238860][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.238860][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.238860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.238860][   T10] 
[ 2161.240878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.240878][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.240878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.240878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.240878][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2161.240878][   T10]      ipv6_add_addr+0x411/0x2000
[ 2161.240878][   T10]      inet6_addr_add+0x30e/0xa40
[ 2161.240878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.240878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.240878][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.240878][   T10]      netlink_unicast+0x449/0x710
[ 2161.240878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.240878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.240878][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.240878][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.240878][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.240878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.240878][   T10] 
[ 2161.242859][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.242859][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.242859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.242859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.242859][   T10]      ip6_route_add+0x1c/0x140
[ 2161.242859][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2161.242859][   T10]      addrconf_add_dev+0xe2/0x170
[ 2161.242859][   T10]      inet6_addr_add+0x12f/0xa40
[ 2161.242859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.242859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.242859][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.242859][   T10]      netlink_unicast+0x449/0x710
[ 2161.242859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.242859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.242859][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.242859][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.242859][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.242859][   T10] 
[ 2161.244774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.244774][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2161.244774][   T10]      ipv6_find_idev+0x102/0x170
[ 2161.244774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2161.244774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.244774][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.244774][   T10]      netlink_unicast+0x449/0x710
[ 2161.244774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.244774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.244774][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.244774][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.244774][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.244774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.244774][   T10] 
[ 2161.246354][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2161.246354][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2161.246354][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2161.246354][   T10]      ipv6_find_idev+0x102/0x170
[ 2161.246354][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2161.246354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.246354][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.246354][   T10]      netlink_unicast+0x449/0x710
[ 2161.246354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.246354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.246354][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.246354][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.246354][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.246354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.246354][   T10] 
[ 2161.248044][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2161.248277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.248277][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2161.248277][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2161.248277][   T10]      fib6_nh_init+0xa22/0x1580
[ 2161.248277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.248277][   T10]      ip6_route_add+0x1c/0x140
[ 2161.248277][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2161.248277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.248277][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.248277][   T10]      netlink_unicast+0x449/0x710
[ 2161.248277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.248277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.248277][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.248277][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.248277][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.248277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.248277][   T10] 
[ 2161.250184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.250184][   T10]      dst_init+0x84/0x4a0
[ 2161.250184][   T10]      dst_alloc+0x97/0x150
[ 2161.250184][   T10]      ip6_dst_alloc+0x23/0x90
[ 2161.250184][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2161.250184][   T10]      ip6_pol_route+0x56f/0x840
[ 2161.250184][   T10]      fib6_rule_lookup+0x456/0x630
[ 2161.250184][   T10]      ip6_route_input+0x59c/0xa50
[ 2161.250184][   T10]      ipv6_rcv+0x397/0x810
[ 2161.250184][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2161.250184][   T10]      process_backlog+0x101/0x620
[ 2161.250184][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2161.250184][   T10]      net_rx_action+0x495/0xbe0
[ 2161.250184][   T10]      __do_softirq+0x1b5/0x7f6
[ 2161.250184][   T10] 
[ 2161.251835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.251835][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.251835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.251835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.251835][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2161.251835][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2161.251835][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2161.251835][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2161.251835][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2161.251835][   T10]      addrconf_dad_begin+0x310/0x670
[ 2161.251835][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2161.251835][   T10]      process_one_work+0x84d/0x18a0
[ 2161.251835][   T10]      worker_thread+0x587/0xd30
[ 2161.251835][   T10]      kthread+0x28a/0x350
[ 2161.251835][   T10]      ret_from_fork+0x31/0x70
[ 2161.251835][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2161.251835][   T10] 
[ 2161.253762][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.253762][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.253762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.253762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.253762][   T10]      ip6_route_add+0x1c/0x140
[ 2161.253762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2161.253762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2161.253762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.253762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.253762][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.253762][   T10]      netlink_unicast+0x449/0x710
[ 2161.253762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.253762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.253762][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.253762][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.253762][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.253762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.253762][   T10] 
[ 2161.255776][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.255776][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.255776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.255776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.255776][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2161.255776][   T10]      ipv6_add_addr+0x411/0x2000
[ 2161.255776][   T10]      inet6_addr_add+0x30e/0xa40
[ 2161.255776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.255776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.255776][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.255776][   T10]      netlink_unicast+0x449/0x710
[ 2161.255776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.255776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.255776][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.255776][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.255776][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.255776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.255776][   T10] 
[ 2161.257770][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.257770][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.257770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.257770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.257770][   T10]      ip6_route_add+0x1c/0x140
[ 2161.257770][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2161.257770][   T10]      addrconf_add_dev+0xe2/0x170
[ 2161.257770][   T10]      inet6_addr_add+0x12f/0xa40
[ 2161.257770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.257770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.257770][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.257770][   T10]      netlink_unicast+0x449/0x710
[ 2161.257770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.257770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.257770][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.257770][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.257770][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.257770][   T10] 
[ 2161.260124][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.260124][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2161.260124][   T10]      ipv6_find_idev+0x102/0x170
[ 2161.260124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2161.260124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.260124][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.260124][   T10]      netlink_unicast+0x449/0x710
[ 2161.260124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.260124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.260124][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.260124][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.260124][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.260124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.260124][   T10] 
[ 2161.261917][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2161.261917][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2161.261917][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2161.261917][   T10]      ipv6_find_idev+0x102/0x170
[ 2161.261917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2161.261917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.261917][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.261917][   T10]      netlink_unicast+0x449/0x710
[ 2161.261917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.261917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.261917][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.261917][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.261917][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.261917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.261917][   T10] 
[ 2161.263783][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2161.264082][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2161.264082][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.264082][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.264082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.264082][   T10]      ip6_route_add+0x1c/0x140
[ 2161.264082][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2161.264082][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2161.264082][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.264082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.264082][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.264082][   T10]      netlink_unicast+0x449/0x710
[ 2161.264082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.264082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.264082][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.264082][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.264082][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.264082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.264082][   T10] 
[ 2161.266338][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2161.266338][   T10]      netdev_get_by_index+0x5e/0x80
[ 2161.266338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2161.266338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2161.266338][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2161.266338][   T10]      ipv6_add_addr+0x411/0x2000
[ 2161.266338][   T10]      inet6_addr_add+0x30e/0xa40
[ 2161.266338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2161.266338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.266338][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.266338][   T10]      netlink_unicast+0x449/0x710
[ 2161.266338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.266338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.266338][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.266338][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.266338][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.266338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.266338][   T10] 
[ 2161.268514][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2161.268514][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2161.268514][   T10]      ipv6_find_idev+0x102/0x170
[ 2161.268514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2161.268514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.268514][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.268514][   T10]      netlink_unicast+0x449/0x710
[ 2161.268514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.268514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.268514][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.268514][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.268514][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.268514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.268514][   T10] 
[ 2161.270231][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2161.270231][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2161.270231][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2161.270231][   T10]      ipv6_find_idev+0x102/0x170
[ 2161.270231][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2161.270231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2161.270231][   T10]      netlink_rcv_skb+0x130/0x360
[ 2161.270231][   T10]      netlink_unicast+0x449/0x710
[ 2161.270231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2161.270231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2161.270231][   T10]      ___sys_sendmsg+0xee/0x170
[ 2161.270231][   T10]      __sys_sendmsg+0xcd/0x170
[ 2161.270231][   T10]      do_syscall_64+0xc6/0x1e0
[ 2161.270231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2161.270231][   T10] 
[ 2171.512786][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2171.513295][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.513295][   T10]      dst_init+0x84/0x4a0
[ 2171.513295][   T10]      dst_alloc+0x97/0x150
[ 2171.513295][   T10]      ip6_dst_alloc+0x23/0x90
[ 2171.513295][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2171.513295][   T10]      ip6_pol_route+0x56f/0x840
[ 2171.513295][   T10]      fib6_rule_lookup+0x456/0x630
[ 2171.513295][   T10]      ip6_route_input+0x59c/0xa50
[ 2171.513295][   T10]      ipv6_rcv+0x397/0x810
[ 2171.513295][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2171.513295][   T10]      process_backlog+0x101/0x620
[ 2171.513295][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2171.513295][   T10]      net_rx_action+0x495/0xbe0
[ 2171.513295][   T10]      __do_softirq+0x1b5/0x7f6
[ 2171.513295][   T10] 
[ 2171.514946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.514946][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2171.514946][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2171.514946][   T10]      fib6_nh_init+0xa22/0x1580
[ 2171.514946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.514946][   T10]      ip6_route_add+0x1c/0x140
[ 2171.514946][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2171.514946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.514946][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.514946][   T10]      netlink_unicast+0x449/0x710
[ 2171.514946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.514946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.514946][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.514946][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.514946][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.514946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.514946][   T10] 
[ 2171.516919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.516919][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.516919][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.516919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.516919][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2171.516919][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2171.516919][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2171.516919][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2171.516919][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2171.516919][   T10]      addrconf_dad_begin+0x310/0x670
[ 2171.516919][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2171.516919][   T10]      process_one_work+0x84d/0x18a0
[ 2171.516919][   T10]      worker_thread+0x587/0xd30
[ 2171.516919][   T10]      kthread+0x28a/0x350
[ 2171.516919][   T10]      ret_from_fork+0x31/0x70
[ 2171.516919][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2171.516919][   T10] 
[ 2171.518836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.518836][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.518836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.518836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.518836][   T10]      ip6_route_add+0x1c/0x140
[ 2171.518836][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2171.518836][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2171.518836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.518836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.518836][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.518836][   T10]      netlink_unicast+0x449/0x710
[ 2171.518836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.518836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.518836][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.518836][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.518836][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.518836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.518836][   T10] 
[ 2171.520831][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.520831][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.520831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.520831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.520831][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2171.520831][   T10]      ipv6_add_addr+0x411/0x2000
[ 2171.520831][   T10]      inet6_addr_add+0x30e/0xa40
[ 2171.520831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.520831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.520831][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.520831][   T10]      netlink_unicast+0x449/0x710
[ 2171.520831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.520831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.520831][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.520831][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.520831][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.520831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.520831][   T10] 
[ 2171.522844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.522844][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.522844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.522844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.522844][   T10]      ip6_route_add+0x1c/0x140
[ 2171.522844][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2171.522844][   T10]      addrconf_add_dev+0xe2/0x170
[ 2171.522844][   T10]      inet6_addr_add+0x12f/0xa40
[ 2171.522844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.522844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.522844][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.522844][   T10]      netlink_unicast+0x449/0x710
[ 2171.522844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.522844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.522844][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.522844][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.522844][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.522844][   T10] 
[ 2171.524790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.524790][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2171.524790][   T10]      ipv6_find_idev+0x102/0x170
[ 2171.524790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2171.524790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.524790][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.524790][   T10]      netlink_unicast+0x449/0x710
[ 2171.524790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.524790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.524790][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.524790][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.524790][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.524790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.524790][   T10] 
[ 2171.526339][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2171.526339][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2171.526339][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2171.526339][   T10]      ipv6_find_idev+0x102/0x170
[ 2171.526339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2171.526339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.526339][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.526339][   T10]      netlink_unicast+0x449/0x710
[ 2171.526339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.526339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.526339][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.526339][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.526339][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.526339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.526339][   T10] 
[ 2171.528035][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2171.528282][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.528282][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2171.528282][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2171.528282][   T10]      fib6_nh_init+0xa22/0x1580
[ 2171.528282][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.528282][   T10]      ip6_route_add+0x1c/0x140
[ 2171.528282][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2171.528282][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.528282][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.528282][   T10]      netlink_unicast+0x449/0x710
[ 2171.528282][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.528282][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.528282][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.528282][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.528282][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.528282][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.528282][   T10] 
[ 2171.530181][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.530181][   T10]      dst_init+0x84/0x4a0
[ 2171.530181][   T10]      dst_alloc+0x97/0x150
[ 2171.530181][   T10]      ip6_dst_alloc+0x23/0x90
[ 2171.530181][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2171.530181][   T10]      ip6_pol_route+0x56f/0x840
[ 2171.530181][   T10]      fib6_rule_lookup+0x456/0x630
[ 2171.530181][   T10]      ip6_route_input+0x59c/0xa50
[ 2171.530181][   T10]      ipv6_rcv+0x397/0x810
[ 2171.530181][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2171.530181][   T10]      process_backlog+0x101/0x620
[ 2171.530181][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2171.530181][   T10]      net_rx_action+0x495/0xbe0
[ 2171.530181][   T10]      __do_softirq+0x1b5/0x7f6
[ 2171.530181][   T10] 
[ 2171.531834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.531834][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.531834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.531834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.531834][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2171.531834][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2171.531834][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2171.531834][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2171.531834][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2171.531834][   T10]      addrconf_dad_begin+0x310/0x670
[ 2171.531834][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2171.531834][   T10]      process_one_work+0x84d/0x18a0
[ 2171.531834][   T10]      worker_thread+0x587/0xd30
[ 2171.531834][   T10]      kthread+0x28a/0x350
[ 2171.531834][   T10]      ret_from_fork+0x31/0x70
[ 2171.531834][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2171.531834][   T10] 
[ 2171.533781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.533781][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.533781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.533781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.533781][   T10]      ip6_route_add+0x1c/0x140
[ 2171.533781][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2171.533781][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2171.533781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.533781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.533781][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.533781][   T10]      netlink_unicast+0x449/0x710
[ 2171.533781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.533781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.533781][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.533781][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.533781][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.533781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.533781][   T10] 
[ 2171.535784][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.535784][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.535784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.535784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.535784][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2171.535784][   T10]      ipv6_add_addr+0x411/0x2000
[ 2171.535784][   T10]      inet6_addr_add+0x30e/0xa40
[ 2171.535784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.535784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.535784][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.535784][   T10]      netlink_unicast+0x449/0x710
[ 2171.535784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.535784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.535784][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.535784][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.535784][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.535784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.535784][   T10] 
[ 2171.537791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.537791][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.537791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.537791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.537791][   T10]      ip6_route_add+0x1c/0x140
[ 2171.537791][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2171.537791][   T10]      addrconf_add_dev+0xe2/0x170
[ 2171.537791][   T10]      inet6_addr_add+0x12f/0xa40
[ 2171.537791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.537791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.537791][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.537791][   T10]      netlink_unicast+0x449/0x710
[ 2171.537791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.537791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.537791][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.537791][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.537791][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.537791][   T10] 
[ 2171.539882][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.539882][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2171.539882][   T10]      ipv6_find_idev+0x102/0x170
[ 2171.539882][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2171.539882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.539882][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.539882][   T10]      netlink_unicast+0x449/0x710
[ 2171.539882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.539882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.539882][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.539882][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.539882][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.539882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.539882][   T10] 
[ 2171.541625][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2171.541625][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2171.541625][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2171.541625][   T10]      ipv6_find_idev+0x102/0x170
[ 2171.541625][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2171.541625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.541625][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.541625][   T10]      netlink_unicast+0x449/0x710
[ 2171.541625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.541625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.541625][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.541625][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.541625][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.541625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.541625][   T10] 
[ 2171.543551][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2171.543882][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2171.543882][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.543882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.543882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.543882][   T10]      ip6_route_add+0x1c/0x140
[ 2171.543882][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2171.543882][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2171.543882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.543882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.543882][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.543882][   T10]      netlink_unicast+0x449/0x710
[ 2171.543882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.543882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.543882][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.543882][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.543882][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.543882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.543882][   T10] 
[ 2171.546071][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2171.546071][   T10]      netdev_get_by_index+0x5e/0x80
[ 2171.546071][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2171.546071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2171.546071][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2171.546071][   T10]      ipv6_add_addr+0x411/0x2000
[ 2171.546071][   T10]      inet6_addr_add+0x30e/0xa40
[ 2171.546071][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2171.546071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.546071][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.546071][   T10]      netlink_unicast+0x449/0x710
[ 2171.546071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.546071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.546071][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.546071][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.546071][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.546071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.546071][   T10] 
[ 2171.548185][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2171.548185][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2171.548185][   T10]      ipv6_find_idev+0x102/0x170
[ 2171.548185][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2171.548185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.548185][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.548185][   T10]      netlink_unicast+0x449/0x710
[ 2171.548185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.548185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.548185][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.548185][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.548185][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.548185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.548185][   T10] 
[ 2171.549918][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2171.549918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2171.549918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2171.549918][   T10]      ipv6_find_idev+0x102/0x170
[ 2171.549918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2171.549918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2171.549918][   T10]      netlink_rcv_skb+0x130/0x360
[ 2171.549918][   T10]      netlink_unicast+0x449/0x710
[ 2171.549918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2171.549918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2171.549918][   T10]      ___sys_sendmsg+0xee/0x170
[ 2171.549918][   T10]      __sys_sendmsg+0xcd/0x170
[ 2171.549918][   T10]      do_syscall_64+0xc6/0x1e0
[ 2171.549918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2171.549918][   T10] 
[ 2181.688768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2181.689704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.689704][   T10]      dst_init+0x84/0x4a0
[ 2181.689704][   T10]      dst_alloc+0x97/0x150
[ 2181.689704][   T10]      ip6_dst_alloc+0x23/0x90
[ 2181.689704][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2181.689704][   T10]      ip6_pol_route+0x56f/0x840
[ 2181.689704][   T10]      fib6_rule_lookup+0x456/0x630
[ 2181.689704][   T10]      ip6_route_input+0x59c/0xa50
[ 2181.689704][   T10]      ipv6_rcv+0x397/0x810
[ 2181.689704][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2181.689704][   T10]      process_backlog+0x101/0x620
[ 2181.689704][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2181.689704][   T10]      net_rx_action+0x495/0xbe0
[ 2181.689704][   T10]      __do_softirq+0x1b5/0x7f6
[ 2181.689704][   T10] 
[ 2181.691509][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.691509][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2181.691509][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2181.691509][   T10]      fib6_nh_init+0xa22/0x1580
[ 2181.691509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.691509][   T10]      ip6_route_add+0x1c/0x140
[ 2181.691509][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2181.691509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.691509][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.691509][   T10]      netlink_unicast+0x449/0x710
[ 2181.691509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.691509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.691509][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.691509][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.691509][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.691509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.691509][   T10] 
[ 2181.693378][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.693378][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.693378][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.693378][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.693378][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2181.693378][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2181.693378][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2181.693378][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2181.693378][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2181.693378][   T10]      addrconf_dad_begin+0x310/0x670
[ 2181.693378][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2181.693378][   T10]      process_one_work+0x84d/0x18a0
[ 2181.693378][   T10]      worker_thread+0x587/0xd30
[ 2181.693378][   T10]      kthread+0x28a/0x350
[ 2181.693378][   T10]      ret_from_fork+0x31/0x70
[ 2181.693378][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2181.693378][   T10] 
[ 2181.695318][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.695318][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.695318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.695318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.695318][   T10]      ip6_route_add+0x1c/0x140
[ 2181.695318][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2181.695318][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2181.695318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.695318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.695318][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.695318][   T10]      netlink_unicast+0x449/0x710
[ 2181.695318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.695318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.695318][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.695318][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.695318][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.695318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.695318][   T10] 
[ 2181.697273][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.697273][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.697273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.697273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.697273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2181.697273][   T10]      ipv6_add_addr+0x411/0x2000
[ 2181.697273][   T10]      inet6_addr_add+0x30e/0xa40
[ 2181.697273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.697273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.697273][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.697273][   T10]      netlink_unicast+0x449/0x710
[ 2181.697273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.697273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.697273][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.697273][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.697273][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.697273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.697273][   T10] 
[ 2181.699279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.699279][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.699279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.699279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.699279][   T10]      ip6_route_add+0x1c/0x140
[ 2181.699279][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2181.699279][   T10]      addrconf_add_dev+0xe2/0x170
[ 2181.699279][   T10]      inet6_addr_add+0x12f/0xa40
[ 2181.699279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.699279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.699279][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.699279][   T10]      netlink_unicast+0x449/0x710
[ 2181.699279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.699279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.699279][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.699279][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.699279][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.699279][   T10] 
[ 2181.701249][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.701249][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2181.701249][   T10]      ipv6_find_idev+0x102/0x170
[ 2181.701249][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2181.701249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.701249][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.701249][   T10]      netlink_unicast+0x449/0x710
[ 2181.701249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.701249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.701249][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.701249][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.701249][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.701249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.701249][   T10] 
[ 2181.702780][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2181.702780][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2181.702780][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2181.702780][   T10]      ipv6_find_idev+0x102/0x170
[ 2181.702780][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2181.702780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.702780][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.702780][   T10]      netlink_unicast+0x449/0x710
[ 2181.702780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.702780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.702780][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.702780][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.702780][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.702780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.702780][   T10] 
[ 2181.704488][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2181.704743][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.704743][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2181.704743][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2181.704743][   T10]      fib6_nh_init+0xa22/0x1580
[ 2181.704743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.704743][   T10]      ip6_route_add+0x1c/0x140
[ 2181.704743][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2181.704743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.704743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.704743][   T10]      netlink_unicast+0x449/0x710
[ 2181.704743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.704743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.704743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.704743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.704743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.704743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.704743][   T10] 
[ 2181.706645][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.706645][   T10]      dst_init+0x84/0x4a0
[ 2181.706645][   T10]      dst_alloc+0x97/0x150
[ 2181.706645][   T10]      ip6_dst_alloc+0x23/0x90
[ 2181.706645][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2181.706645][   T10]      ip6_pol_route+0x56f/0x840
[ 2181.706645][   T10]      fib6_rule_lookup+0x456/0x630
[ 2181.706645][   T10]      ip6_route_input+0x59c/0xa50
[ 2181.706645][   T10]      ipv6_rcv+0x397/0x810
[ 2181.706645][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2181.706645][   T10]      process_backlog+0x101/0x620
[ 2181.706645][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2181.706645][   T10]      net_rx_action+0x495/0xbe0
[ 2181.706645][   T10]      __do_softirq+0x1b5/0x7f6
[ 2181.706645][   T10] 
[ 2181.708237][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.708237][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.708237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.708237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.708237][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2181.708237][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2181.708237][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2181.708237][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2181.708237][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2181.708237][   T10]      addrconf_dad_begin+0x310/0x670
[ 2181.708237][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2181.708237][   T10]      process_one_work+0x84d/0x18a0
[ 2181.708237][   T10]      worker_thread+0x587/0xd30
[ 2181.708237][   T10]      kthread+0x28a/0x350
[ 2181.708237][   T10]      ret_from_fork+0x31/0x70
[ 2181.708237][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2181.708237][   T10] 
[ 2181.710141][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.710141][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.710141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.710141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.710141][   T10]      ip6_route_add+0x1c/0x140
[ 2181.710141][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2181.710141][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2181.710141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.710141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.710141][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.710141][   T10]      netlink_unicast+0x449/0x710
[ 2181.710141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.710141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.710141][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.710141][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.710141][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.710141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.710141][   T10] 
[ 2181.712139][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.712139][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.712139][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.712139][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.712139][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2181.712139][   T10]      ipv6_add_addr+0x411/0x2000
[ 2181.712139][   T10]      inet6_addr_add+0x30e/0xa40
[ 2181.712139][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.712139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.712139][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.712139][   T10]      netlink_unicast+0x449/0x710
[ 2181.712139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.712139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.712139][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.712139][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.712139][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.712139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.712139][   T10] 
[ 2181.714138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.714138][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.714138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.714138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.714138][   T10]      ip6_route_add+0x1c/0x140
[ 2181.714138][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2181.714138][   T10]      addrconf_add_dev+0xe2/0x170
[ 2181.714138][   T10]      inet6_addr_add+0x12f/0xa40
[ 2181.714138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.714138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.714138][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.714138][   T10]      netlink_unicast+0x449/0x710
[ 2181.714138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.714138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.714138][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.714138][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.714138][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.714138][   T10] 
[ 2181.716248][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.716248][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2181.716248][   T10]      ipv6_find_idev+0x102/0x170
[ 2181.716248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2181.716248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.716248][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.716248][   T10]      netlink_unicast+0x449/0x710
[ 2181.716248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.716248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.716248][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.716248][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.716248][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.716248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.716248][   T10] 
[ 2181.718030][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2181.718030][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2181.718030][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2181.718030][   T10]      ipv6_find_idev+0x102/0x170
[ 2181.718030][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2181.718030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.718030][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.718030][   T10]      netlink_unicast+0x449/0x710
[ 2181.718030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.718030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.718030][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.718030][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.718030][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.718030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.718030][   T10] 
[ 2181.720468][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2181.720799][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2181.720799][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.720799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.720799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.720799][   T10]      ip6_route_add+0x1c/0x140
[ 2181.720799][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2181.720799][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2181.720799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.720799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.720799][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.720799][   T10]      netlink_unicast+0x449/0x710
[ 2181.720799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.720799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.720799][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.720799][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.720799][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.720799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.720799][   T10] 
[ 2181.722985][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2181.722985][   T10]      netdev_get_by_index+0x5e/0x80
[ 2181.722985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2181.722985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2181.722985][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2181.722985][   T10]      ipv6_add_addr+0x411/0x2000
[ 2181.722985][   T10]      inet6_addr_add+0x30e/0xa40
[ 2181.722985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2181.722985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.722985][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.722985][   T10]      netlink_unicast+0x449/0x710
[ 2181.722985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.722985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.722985][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.722985][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.722985][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.722985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.722985][   T10] 
[ 2181.725114][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2181.725114][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2181.725114][   T10]      ipv6_find_idev+0x102/0x170
[ 2181.725114][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2181.725114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.725114][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.725114][   T10]      netlink_unicast+0x449/0x710
[ 2181.725114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.725114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.725114][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.725114][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.725114][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.725114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.725114][   T10] 
[ 2181.727234][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2181.727234][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2181.727234][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2181.727234][   T10]      ipv6_find_idev+0x102/0x170
[ 2181.727234][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2181.727234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2181.727234][   T10]      netlink_rcv_skb+0x130/0x360
[ 2181.727234][   T10]      netlink_unicast+0x449/0x710
[ 2181.727234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2181.727234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2181.727234][   T10]      ___sys_sendmsg+0xee/0x170
[ 2181.727234][   T10]      __sys_sendmsg+0xcd/0x170
[ 2181.727234][   T10]      do_syscall_64+0xc6/0x1e0
[ 2181.727234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2181.727234][   T10] 
[ 2191.968757][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2191.969682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.969682][   T10]      dst_init+0x84/0x4a0
[ 2191.969682][   T10]      dst_alloc+0x97/0x150
[ 2191.969682][   T10]      ip6_dst_alloc+0x23/0x90
[ 2191.969682][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2191.969682][   T10]      ip6_pol_route+0x56f/0x840
[ 2191.969682][   T10]      fib6_rule_lookup+0x456/0x630
[ 2191.969682][   T10]      ip6_route_input+0x59c/0xa50
[ 2191.969682][   T10]      ipv6_rcv+0x397/0x810
[ 2191.969682][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2191.969682][   T10]      process_backlog+0x101/0x620
[ 2191.969682][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2191.969682][   T10]      net_rx_action+0x495/0xbe0
[ 2191.969682][   T10]      __do_softirq+0x1b5/0x7f6
[ 2191.969682][   T10] 
[ 2191.971463][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.971463][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2191.971463][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2191.971463][   T10]      fib6_nh_init+0xa22/0x1580
[ 2191.971463][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.971463][   T10]      ip6_route_add+0x1c/0x140
[ 2191.971463][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2191.971463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.971463][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.971463][   T10]      netlink_unicast+0x449/0x710
[ 2191.971463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.971463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.971463][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.971463][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.971463][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.971463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.971463][   T10] 
[ 2191.973311][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.973311][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.973311][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.973311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.973311][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2191.973311][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2191.973311][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2191.973311][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2191.973311][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2191.973311][   T10]      addrconf_dad_begin+0x310/0x670
[ 2191.973311][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2191.973311][   T10]      process_one_work+0x84d/0x18a0
[ 2191.973311][   T10]      worker_thread+0x587/0xd30
[ 2191.973311][   T10]      kthread+0x28a/0x350
[ 2191.973311][   T10]      ret_from_fork+0x31/0x70
[ 2191.973311][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2191.973311][   T10] 
[ 2191.975233][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.975233][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.975233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.975233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.975233][   T10]      ip6_route_add+0x1c/0x140
[ 2191.975233][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2191.975233][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2191.975233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2191.975233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.975233][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.975233][   T10]      netlink_unicast+0x449/0x710
[ 2191.975233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.975233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.975233][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.975233][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.975233][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.975233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.975233][   T10] 
[ 2191.977257][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.977257][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.977257][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.977257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.977257][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2191.977257][   T10]      ipv6_add_addr+0x411/0x2000
[ 2191.977257][   T10]      inet6_addr_add+0x30e/0xa40
[ 2191.977257][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2191.977257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.977257][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.977257][   T10]      netlink_unicast+0x449/0x710
[ 2191.977257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.977257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.977257][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.977257][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.977257][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.977257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.977257][   T10] 
[ 2191.979236][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.979236][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.979236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.979236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.979236][   T10]      ip6_route_add+0x1c/0x140
[ 2191.979236][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2191.979236][   T10]      addrconf_add_dev+0xe2/0x170
[ 2191.979236][   T10]      inet6_addr_add+0x12f/0xa40
[ 2191.979236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2191.979236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.979236][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.979236][   T10]      netlink_unicast+0x449/0x710
[ 2191.979236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.979236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.979236][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.979236][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.979236][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.979236][   T10] 
[ 2191.981231][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.981231][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2191.981231][   T10]      ipv6_find_idev+0x102/0x170
[ 2191.981231][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2191.981231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.981231][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.981231][   T10]      netlink_unicast+0x449/0x710
[ 2191.981231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.981231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.981231][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.981231][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.981231][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.981231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.981231][   T10] 
[ 2191.982760][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2191.982760][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2191.982760][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2191.982760][   T10]      ipv6_find_idev+0x102/0x170
[ 2191.982760][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2191.982760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.982760][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.982760][   T10]      netlink_unicast+0x449/0x710
[ 2191.982760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.982760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.982760][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.982760][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.982760][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.982760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.982760][   T10] 
[ 2191.984407][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2191.984655][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.984655][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2191.984655][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2191.984655][   T10]      fib6_nh_init+0xa22/0x1580
[ 2191.984655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.984655][   T10]      ip6_route_add+0x1c/0x140
[ 2191.984655][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2191.984655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.984655][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.984655][   T10]      netlink_unicast+0x449/0x710
[ 2191.984655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.984655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.984655][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.984655][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.984655][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.984655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.984655][   T10] 
[ 2191.986513][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.986513][   T10]      dst_init+0x84/0x4a0
[ 2191.986513][   T10]      dst_alloc+0x97/0x150
[ 2191.986513][   T10]      ip6_dst_alloc+0x23/0x90
[ 2191.986513][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2191.986513][   T10]      ip6_pol_route+0x56f/0x840
[ 2191.986513][   T10]      fib6_rule_lookup+0x456/0x630
[ 2191.986513][   T10]      ip6_route_input+0x59c/0xa50
[ 2191.986513][   T10]      ipv6_rcv+0x397/0x810
[ 2191.986513][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2191.986513][   T10]      process_backlog+0x101/0x620
[ 2191.986513][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2191.986513][   T10]      net_rx_action+0x495/0xbe0
[ 2191.986513][   T10]      __do_softirq+0x1b5/0x7f6
[ 2191.986513][   T10] 
[ 2191.988170][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.988170][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.988170][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.988170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.988170][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2191.988170][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2191.988170][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2191.988170][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2191.988170][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2191.988170][   T10]      addrconf_dad_begin+0x310/0x670
[ 2191.988170][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2191.988170][   T10]      process_one_work+0x84d/0x18a0
[ 2191.988170][   T10]      worker_thread+0x587/0xd30
[ 2191.988170][   T10]      kthread+0x28a/0x350
[ 2191.988170][   T10]      ret_from_fork+0x31/0x70
[ 2191.988170][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2191.988170][   T10] 
[ 2191.990122][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.990122][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.990122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.990122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.990122][   T10]      ip6_route_add+0x1c/0x140
[ 2191.990122][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2191.990122][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2191.990122][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2191.990122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.990122][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.990122][   T10]      netlink_unicast+0x449/0x710
[ 2191.990122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.990122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.990122][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.990122][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.990122][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.990122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.990122][   T10] 
[ 2191.992178][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.992178][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.992178][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.992178][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.992178][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2191.992178][   T10]      ipv6_add_addr+0x411/0x2000
[ 2191.992178][   T10]      inet6_addr_add+0x30e/0xa40
[ 2191.992178][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2191.992178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.992178][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.992178][   T10]      netlink_unicast+0x449/0x710
[ 2191.992178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.992178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.992178][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.992178][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.992178][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.992178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.992178][   T10] 
[ 2191.994180][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.994180][   T10]      netdev_get_by_index+0x5e/0x80
[ 2191.994180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2191.994180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2191.994180][   T10]      ip6_route_add+0x1c/0x140
[ 2191.994180][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2191.994180][   T10]      addrconf_add_dev+0xe2/0x170
[ 2191.994180][   T10]      inet6_addr_add+0x12f/0xa40
[ 2191.994180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2191.994180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.994180][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.994180][   T10]      netlink_unicast+0x449/0x710
[ 2191.994180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.994180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.994180][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.994180][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.994180][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.994180][   T10] 
[ 2191.996304][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.996304][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2191.996304][   T10]      ipv6_find_idev+0x102/0x170
[ 2191.996304][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2191.996304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.996304][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.996304][   T10]      netlink_unicast+0x449/0x710
[ 2191.996304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.996304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.996304][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.996304][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.996304][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.996304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.996304][   T10] 
[ 2191.998026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2191.998026][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2191.998026][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2191.998026][   T10]      ipv6_find_idev+0x102/0x170
[ 2191.998026][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2191.998026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2191.998026][   T10]      netlink_rcv_skb+0x130/0x360
[ 2191.998026][   T10]      netlink_unicast+0x449/0x710
[ 2191.998026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2191.998026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2191.998026][   T10]      ___sys_sendmsg+0xee/0x170
[ 2191.998026][   T10]      __sys_sendmsg+0xcd/0x170
[ 2191.998026][   T10]      do_syscall_64+0xc6/0x1e0
[ 2191.998026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2191.998026][   T10] 
[ 2191.999959][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2192.000272][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2192.000272][   T10]      netdev_get_by_index+0x5e/0x80
[ 2192.000272][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2192.000272][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2192.000272][   T10]      ip6_route_add+0x1c/0x140
[ 2192.000272][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2192.000272][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2192.000272][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2192.000272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2192.000272][   T10]      netlink_rcv_skb+0x130/0x360
[ 2192.000272][   T10]      netlink_unicast+0x449/0x710
[ 2192.000272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2192.000272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2192.000272][   T10]      ___sys_sendmsg+0xee/0x170
[ 2192.000272][   T10]      __sys_sendmsg+0xcd/0x170
[ 2192.000272][   T10]      do_syscall_64+0xc6/0x1e0
[ 2192.000272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2192.000272][   T10] 
[ 2192.002484][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2192.002484][   T10]      netdev_get_by_index+0x5e/0x80
[ 2192.002484][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2192.002484][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2192.002484][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2192.002484][   T10]      ipv6_add_addr+0x411/0x2000
[ 2192.002484][   T10]      inet6_addr_add+0x30e/0xa40
[ 2192.002484][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2192.002484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2192.002484][   T10]      netlink_rcv_skb+0x130/0x360
[ 2192.002484][   T10]      netlink_unicast+0x449/0x710
[ 2192.002484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2192.002484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2192.002484][   T10]      ___sys_sendmsg+0xee/0x170
[ 2192.002484][   T10]      __sys_sendmsg+0xcd/0x170
[ 2192.002484][   T10]      do_syscall_64+0xc6/0x1e0
[ 2192.002484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2192.002484][   T10] 
[ 2192.004609][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2192.004609][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2192.004609][   T10]      ipv6_find_idev+0x102/0x170
[ 2192.004609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2192.004609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2192.004609][   T10]      netlink_rcv_skb+0x130/0x360
[ 2192.004609][   T10]      netlink_unicast+0x449/0x710
[ 2192.004609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2192.004609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2192.004609][   T10]      ___sys_sendmsg+0xee/0x170
[ 2192.004609][   T10]      __sys_sendmsg+0xcd/0x170
[ 2192.004609][   T10]      do_syscall_64+0xc6/0x1e0
[ 2192.004609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2192.004609][   T10] 
[ 2192.006329][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2192.006329][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2192.006329][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2192.006329][   T10]      ipv6_find_idev+0x102/0x170
[ 2192.006329][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2192.006329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2192.006329][   T10]      netlink_rcv_skb+0x130/0x360
[ 2192.006329][   T10]      netlink_unicast+0x449/0x710
[ 2192.006329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2192.006329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2192.006329][   T10]      ___sys_sendmsg+0xee/0x170
[ 2192.006329][   T10]      __sys_sendmsg+0xcd/0x170
[ 2192.006329][   T10]      do_syscall_64+0xc6/0x1e0
[ 2192.006329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2192.006329][   T10] 
[ 2202.248799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2202.249309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.249309][   T10]      dst_init+0x84/0x4a0
[ 2202.249309][   T10]      dst_alloc+0x97/0x150
[ 2202.249309][   T10]      ip6_dst_alloc+0x23/0x90
[ 2202.249309][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2202.249309][   T10]      ip6_pol_route+0x56f/0x840
[ 2202.249309][   T10]      fib6_rule_lookup+0x456/0x630
[ 2202.249309][   T10]      ip6_route_input+0x59c/0xa50
[ 2202.249309][   T10]      ipv6_rcv+0x397/0x810
[ 2202.249309][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2202.249309][   T10]      process_backlog+0x101/0x620
[ 2202.249309][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2202.249309][   T10]      net_rx_action+0x495/0xbe0
[ 2202.249309][   T10]      __do_softirq+0x1b5/0x7f6
[ 2202.249309][   T10] 
[ 2202.250964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.250964][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2202.250964][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2202.250964][   T10]      fib6_nh_init+0xa22/0x1580
[ 2202.250964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.250964][   T10]      ip6_route_add+0x1c/0x140
[ 2202.250964][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2202.250964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.250964][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.250964][   T10]      netlink_unicast+0x449/0x710
[ 2202.250964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.250964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.250964][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.250964][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.250964][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.250964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.250964][   T10] 
[ 2202.252828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.252828][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.252828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.252828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.252828][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2202.252828][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2202.252828][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2202.252828][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2202.252828][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2202.252828][   T10]      addrconf_dad_begin+0x310/0x670
[ 2202.252828][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2202.252828][   T10]      process_one_work+0x84d/0x18a0
[ 2202.252828][   T10]      worker_thread+0x587/0xd30
[ 2202.252828][   T10]      kthread+0x28a/0x350
[ 2202.252828][   T10]      ret_from_fork+0x31/0x70
[ 2202.252828][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2202.252828][   T10] 
[ 2202.254739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.254739][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.254739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.254739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.254739][   T10]      ip6_route_add+0x1c/0x140
[ 2202.254739][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2202.254739][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2202.254739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.254739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.254739][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.254739][   T10]      netlink_unicast+0x449/0x710
[ 2202.254739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.254739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.254739][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.254739][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.254739][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.254739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.254739][   T10] 
[ 2202.256743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.256743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.256743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.256743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.256743][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2202.256743][   T10]      ipv6_add_addr+0x411/0x2000
[ 2202.256743][   T10]      inet6_addr_add+0x30e/0xa40
[ 2202.256743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.256743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.256743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.256743][   T10]      netlink_unicast+0x449/0x710
[ 2202.256743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.256743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.256743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.256743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.256743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.256743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.256743][   T10] 
[ 2202.258757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.258757][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.258757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.258757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.258757][   T10]      ip6_route_add+0x1c/0x140
[ 2202.258757][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2202.258757][   T10]      addrconf_add_dev+0xe2/0x170
[ 2202.258757][   T10]      inet6_addr_add+0x12f/0xa40
[ 2202.258757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.258757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.258757][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.258757][   T10]      netlink_unicast+0x449/0x710
[ 2202.258757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.258757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.258757][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.258757][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.258757][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.258757][   T10] 
[ 2202.260742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.260742][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2202.260742][   T10]      ipv6_find_idev+0x102/0x170
[ 2202.260742][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2202.260742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.260742][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.260742][   T10]      netlink_unicast+0x449/0x710
[ 2202.260742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.260742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.260742][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.260742][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.260742][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.260742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.260742][   T10] 
[ 2202.262278][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2202.262278][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2202.262278][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2202.262278][   T10]      ipv6_find_idev+0x102/0x170
[ 2202.262278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2202.262278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.262278][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.262278][   T10]      netlink_unicast+0x449/0x710
[ 2202.262278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.262278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.262278][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.262278][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.262278][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.262278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.262278][   T10] 
[ 2202.263989][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2202.264240][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.264240][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2202.264240][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2202.264240][   T10]      fib6_nh_init+0xa22/0x1580
[ 2202.264240][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.264240][   T10]      ip6_route_add+0x1c/0x140
[ 2202.264240][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2202.264240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.264240][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.264240][   T10]      netlink_unicast+0x449/0x710
[ 2202.264240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.264240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.264240][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.264240][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.264240][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.264240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.264240][   T10] 
[ 2202.266125][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.266125][   T10]      dst_init+0x84/0x4a0
[ 2202.266125][   T10]      dst_alloc+0x97/0x150
[ 2202.266125][   T10]      ip6_dst_alloc+0x23/0x90
[ 2202.266125][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2202.266125][   T10]      ip6_pol_route+0x56f/0x840
[ 2202.266125][   T10]      fib6_rule_lookup+0x456/0x630
[ 2202.266125][   T10]      ip6_route_input+0x59c/0xa50
[ 2202.266125][   T10]      ipv6_rcv+0x397/0x810
[ 2202.266125][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2202.266125][   T10]      process_backlog+0x101/0x620
[ 2202.266125][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2202.266125][   T10]      net_rx_action+0x495/0xbe0
[ 2202.266125][   T10]      __do_softirq+0x1b5/0x7f6
[ 2202.266125][   T10] 
[ 2202.267774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.267774][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.267774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.267774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.267774][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2202.267774][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2202.267774][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2202.267774][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2202.267774][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2202.267774][   T10]      addrconf_dad_begin+0x310/0x670
[ 2202.267774][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2202.267774][   T10]      process_one_work+0x84d/0x18a0
[ 2202.267774][   T10]      worker_thread+0x587/0xd30
[ 2202.267774][   T10]      kthread+0x28a/0x350
[ 2202.267774][   T10]      ret_from_fork+0x31/0x70
[ 2202.267774][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2202.267774][   T10] 
[ 2202.269694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.269694][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.269694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.269694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.269694][   T10]      ip6_route_add+0x1c/0x140
[ 2202.269694][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2202.269694][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2202.269694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.269694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.269694][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.269694][   T10]      netlink_unicast+0x449/0x710
[ 2202.269694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.269694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.269694][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.269694][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.269694][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.269694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.269694][   T10] 
[ 2202.271688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.271688][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.271688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.271688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.271688][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2202.271688][   T10]      ipv6_add_addr+0x411/0x2000
[ 2202.271688][   T10]      inet6_addr_add+0x30e/0xa40
[ 2202.271688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.271688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.271688][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.271688][   T10]      netlink_unicast+0x449/0x710
[ 2202.271688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.271688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.271688][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.271688][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.271688][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.271688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.271688][   T10] 
[ 2202.273687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.273687][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.273687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.273687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.273687][   T10]      ip6_route_add+0x1c/0x140
[ 2202.273687][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2202.273687][   T10]      addrconf_add_dev+0xe2/0x170
[ 2202.273687][   T10]      inet6_addr_add+0x12f/0xa40
[ 2202.273687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.273687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.273687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.273687][   T10]      netlink_unicast+0x449/0x710
[ 2202.273687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.273687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.273687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.273687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.273687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.273687][   T10] 
[ 2202.275849][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.275849][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2202.275849][   T10]      ipv6_find_idev+0x102/0x170
[ 2202.275849][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2202.275849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.275849][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.275849][   T10]      netlink_unicast+0x449/0x710
[ 2202.275849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.275849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.275849][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.275849][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.275849][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.275849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.275849][   T10] 
[ 2202.277618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2202.277618][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2202.277618][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2202.277618][   T10]      ipv6_find_idev+0x102/0x170
[ 2202.277618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2202.277618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.277618][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.277618][   T10]      netlink_unicast+0x449/0x710
[ 2202.277618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.277618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.277618][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.277618][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.277618][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.277618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.277618][   T10] 
[ 2202.279501][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2202.279814][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2202.279814][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.279814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.279814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.279814][   T10]      ip6_route_add+0x1c/0x140
[ 2202.279814][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2202.279814][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2202.279814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.279814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.279814][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.279814][   T10]      netlink_unicast+0x449/0x710
[ 2202.279814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.279814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.279814][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.279814][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.279814][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.279814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.279814][   T10] 
[ 2202.281984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2202.281984][   T10]      netdev_get_by_index+0x5e/0x80
[ 2202.281984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2202.281984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2202.281984][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2202.281984][   T10]      ipv6_add_addr+0x411/0x2000
[ 2202.281984][   T10]      inet6_addr_add+0x30e/0xa40
[ 2202.281984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2202.281984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.281984][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.281984][   T10]      netlink_unicast+0x449/0x710
[ 2202.281984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.281984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.281984][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.281984][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.281984][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.281984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.281984][   T10] 
[ 2202.284220][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2202.284220][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2202.284220][   T10]      ipv6_find_idev+0x102/0x170
[ 2202.284220][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2202.284220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.284220][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.284220][   T10]      netlink_unicast+0x449/0x710
[ 2202.284220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.284220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.284220][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.284220][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.284220][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.284220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.284220][   T10] 
[ 2202.285999][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2202.285999][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2202.285999][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2202.285999][   T10]      ipv6_find_idev+0x102/0x170
[ 2202.285999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2202.285999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2202.285999][   T10]      netlink_rcv_skb+0x130/0x360
[ 2202.285999][   T10]      netlink_unicast+0x449/0x710
[ 2202.285999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2202.285999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2202.285999][   T10]      ___sys_sendmsg+0xee/0x170
[ 2202.285999][   T10]      __sys_sendmsg+0xcd/0x170
[ 2202.285999][   T10]      do_syscall_64+0xc6/0x1e0
[ 2202.285999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2202.285999][   T10] 
[ 2212.528784][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2212.529846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.529846][   T10]      dst_init+0x84/0x4a0
[ 2212.529846][   T10]      dst_alloc+0x97/0x150
[ 2212.529846][   T10]      ip6_dst_alloc+0x23/0x90
[ 2212.529846][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2212.529846][   T10]      ip6_pol_route+0x56f/0x840
[ 2212.529846][   T10]      fib6_rule_lookup+0x456/0x630
[ 2212.529846][   T10]      ip6_route_input+0x59c/0xa50
[ 2212.529846][   T10]      ipv6_rcv+0x397/0x810
[ 2212.529846][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2212.529846][   T10]      process_backlog+0x101/0x620
[ 2212.529846][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2212.529846][   T10]      net_rx_action+0x495/0xbe0
[ 2212.529846][   T10]      __do_softirq+0x1b5/0x7f6
[ 2212.529846][   T10] 
[ 2212.531476][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.531476][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2212.531476][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2212.531476][   T10]      fib6_nh_init+0xa22/0x1580
[ 2212.531476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.531476][   T10]      ip6_route_add+0x1c/0x140
[ 2212.531476][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2212.531476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.531476][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.531476][   T10]      netlink_unicast+0x449/0x710
[ 2212.531476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.531476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.531476][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.531476][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.531476][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.531476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.531476][   T10] 
[ 2212.533321][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.533321][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.533321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.533321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.533321][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2212.533321][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2212.533321][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2212.533321][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2212.533321][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2212.533321][   T10]      addrconf_dad_begin+0x310/0x670
[ 2212.533321][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2212.533321][   T10]      process_one_work+0x84d/0x18a0
[ 2212.533321][   T10]      worker_thread+0x587/0xd30
[ 2212.533321][   T10]      kthread+0x28a/0x350
[ 2212.533321][   T10]      ret_from_fork+0x31/0x70
[ 2212.533321][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2212.533321][   T10] 
[ 2212.535224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.535224][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.535224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.535224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.535224][   T10]      ip6_route_add+0x1c/0x140
[ 2212.535224][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2212.535224][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2212.535224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.535224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.535224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.535224][   T10]      netlink_unicast+0x449/0x710
[ 2212.535224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.535224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.535224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.535224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.535224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.535224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.535224][   T10] 
[ 2212.537273][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.537273][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.537273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.537273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.537273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2212.537273][   T10]      ipv6_add_addr+0x411/0x2000
[ 2212.537273][   T10]      inet6_addr_add+0x30e/0xa40
[ 2212.537273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.537273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.537273][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.537273][   T10]      netlink_unicast+0x449/0x710
[ 2212.537273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.537273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.537273][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.537273][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.537273][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.537273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.537273][   T10] 
[ 2212.539249][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.539249][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.539249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.539249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.539249][   T10]      ip6_route_add+0x1c/0x140
[ 2212.539249][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2212.539249][   T10]      addrconf_add_dev+0xe2/0x170
[ 2212.539249][   T10]      inet6_addr_add+0x12f/0xa40
[ 2212.539249][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.539249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.539249][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.539249][   T10]      netlink_unicast+0x449/0x710
[ 2212.539249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.539249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.539249][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.539249][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.539249][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.539249][   T10] 
[ 2212.541224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.541224][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2212.541224][   T10]      ipv6_find_idev+0x102/0x170
[ 2212.541224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2212.541224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.541224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.541224][   T10]      netlink_unicast+0x449/0x710
[ 2212.541224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.541224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.541224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.541224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.541224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.541224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.541224][   T10] 
[ 2212.542772][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2212.542772][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2212.542772][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2212.542772][   T10]      ipv6_find_idev+0x102/0x170
[ 2212.542772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2212.542772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.542772][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.542772][   T10]      netlink_unicast+0x449/0x710
[ 2212.542772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.542772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.542772][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.542772][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.542772][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.542772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.542772][   T10] 
[ 2212.544470][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2212.544721][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.544721][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2212.544721][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2212.544721][   T10]      fib6_nh_init+0xa22/0x1580
[ 2212.544721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.544721][   T10]      ip6_route_add+0x1c/0x140
[ 2212.544721][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2212.544721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.544721][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.544721][   T10]      netlink_unicast+0x449/0x710
[ 2212.544721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.544721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.544721][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.544721][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.544721][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.544721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.544721][   T10] 
[ 2212.546641][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.546641][   T10]      dst_init+0x84/0x4a0
[ 2212.546641][   T10]      dst_alloc+0x97/0x150
[ 2212.546641][   T10]      ip6_dst_alloc+0x23/0x90
[ 2212.546641][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2212.546641][   T10]      ip6_pol_route+0x56f/0x840
[ 2212.546641][   T10]      fib6_rule_lookup+0x456/0x630
[ 2212.546641][   T10]      ip6_route_input+0x59c/0xa50
[ 2212.546641][   T10]      ipv6_rcv+0x397/0x810
[ 2212.546641][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2212.546641][   T10]      process_backlog+0x101/0x620
[ 2212.546641][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2212.546641][   T10]      net_rx_action+0x495/0xbe0
[ 2212.546641][   T10]      __do_softirq+0x1b5/0x7f6
[ 2212.546641][   T10] 
[ 2212.548295][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.548295][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.548295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.548295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.548295][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2212.548295][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2212.548295][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2212.548295][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2212.548295][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2212.548295][   T10]      addrconf_dad_begin+0x310/0x670
[ 2212.548295][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2212.548295][   T10]      process_one_work+0x84d/0x18a0
[ 2212.548295][   T10]      worker_thread+0x587/0xd30
[ 2212.548295][   T10]      kthread+0x28a/0x350
[ 2212.548295][   T10]      ret_from_fork+0x31/0x70
[ 2212.548295][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2212.548295][   T10] 
[ 2212.550206][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.550206][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.550206][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.550206][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.550206][   T10]      ip6_route_add+0x1c/0x140
[ 2212.550206][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2212.550206][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2212.550206][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.550206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.550206][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.550206][   T10]      netlink_unicast+0x449/0x710
[ 2212.550206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.550206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.550206][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.550206][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.550206][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.550206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.550206][   T10] 
[ 2212.552210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.552210][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.552210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.552210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.552210][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2212.552210][   T10]      ipv6_add_addr+0x411/0x2000
[ 2212.552210][   T10]      inet6_addr_add+0x30e/0xa40
[ 2212.552210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.552210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.552210][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.552210][   T10]      netlink_unicast+0x449/0x710
[ 2212.552210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.552210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.552210][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.552210][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.552210][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.552210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.552210][   T10] 
[ 2212.554186][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.554186][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.554186][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.554186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.554186][   T10]      ip6_route_add+0x1c/0x140
[ 2212.554186][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2212.554186][   T10]      addrconf_add_dev+0xe2/0x170
[ 2212.554186][   T10]      inet6_addr_add+0x12f/0xa40
[ 2212.554186][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.554186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.554186][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.554186][   T10]      netlink_unicast+0x449/0x710
[ 2212.554186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.554186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.554186][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.554186][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.554186][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.554186][   T10] 
[ 2212.556311][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.556311][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2212.556311][   T10]      ipv6_find_idev+0x102/0x170
[ 2212.556311][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2212.556311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.556311][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.556311][   T10]      netlink_unicast+0x449/0x710
[ 2212.556311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.556311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.556311][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.556311][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.556311][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.556311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.556311][   T10] 
[ 2212.558023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2212.558023][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2212.558023][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2212.558023][   T10]      ipv6_find_idev+0x102/0x170
[ 2212.558023][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2212.558023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.558023][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.558023][   T10]      netlink_unicast+0x449/0x710
[ 2212.558023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.558023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.558023][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.558023][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.558023][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.558023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.558023][   T10] 
[ 2212.559953][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2212.560291][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2212.560291][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.560291][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.560291][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.560291][   T10]      ip6_route_add+0x1c/0x140
[ 2212.560291][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2212.560291][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2212.560291][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.560291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.560291][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.560291][   T10]      netlink_unicast+0x449/0x710
[ 2212.560291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.560291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.560291][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.560291][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.560291][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.560291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.560291][   T10] 
[ 2212.562491][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2212.562491][   T10]      netdev_get_by_index+0x5e/0x80
[ 2212.562491][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2212.562491][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2212.562491][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2212.562491][   T10]      ipv6_add_addr+0x411/0x2000
[ 2212.562491][   T10]      inet6_addr_add+0x30e/0xa40
[ 2212.562491][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2212.562491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.562491][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.562491][   T10]      netlink_unicast+0x449/0x710
[ 2212.562491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.562491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.562491][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.562491][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.562491][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.562491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.562491][   T10] 
[ 2212.564607][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2212.564607][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2212.564607][   T10]      ipv6_find_idev+0x102/0x170
[ 2212.564607][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2212.564607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.564607][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.564607][   T10]      netlink_unicast+0x449/0x710
[ 2212.564607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.564607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.564607][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.564607][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.564607][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.564607][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.564607][   T10] 
[ 2212.566441][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2212.566441][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2212.566441][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2212.566441][   T10]      ipv6_find_idev+0x102/0x170
[ 2212.566441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2212.566441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2212.566441][   T10]      netlink_rcv_skb+0x130/0x360
[ 2212.566441][   T10]      netlink_unicast+0x449/0x710
[ 2212.566441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2212.566441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2212.566441][   T10]      ___sys_sendmsg+0xee/0x170
[ 2212.566441][   T10]      __sys_sendmsg+0xcd/0x170
[ 2212.566441][   T10]      do_syscall_64+0xc6/0x1e0
[ 2212.566441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2212.566441][   T10] 
[ 2213.160717][   T42] INFO: task modprobe:7622 blocked for more than 737 seconds.
[ 2213.161046][   T42]       Not tainted 6.8.0-virtme #1
[ 2213.161172][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2213.161374][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 2213.161645][   T42] Call Trace:
[ 2213.161741][   T42]  <TASK>
[ 2213.161813][   T42]  __schedule+0x705/0x1ac0
[ 2213.161949][   T42]  ? __pfx___schedule+0x10/0x10
[ 2213.162075][   T42]  ? schedule+0x1a5/0x210
[ 2213.162171][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2213.162300][   T42]  ? mark_lock+0x38/0x3e0
[ 2213.162394][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2213.162523][   T42]  ? schedule+0x1a5/0x210
[ 2213.162634][   T42]  schedule+0xdf/0x210
[ 2213.162730][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2213.162882][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2213.163015][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2213.163168][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 2213.163293][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2213.163427][   T42]  ? lock_acquire+0x1c1/0x220
[ 2213.163550][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2213.163695][   T42]  down_write+0x1c9/0x200
[ 2213.163791][   T42]  ? __pfx_down_write+0x10/0x10
[ 2213.163913][   T42]  ? __pfx__printk+0x10/0x10
[ 2213.164042][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2213.164178][   T42]  register_pernet_subsys+0x1a/0x50
[ 2213.164317][   T42]  tcf_register_action+0xa3/0x600
[ 2213.164446][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 2213.164619][   T42]  do_one_initcall+0xc8/0x3f0
[ 2213.164749][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2213.164877][   T42]  ? __create_object+0x5e/0xb0
[ 2213.165006][   T42]  ? kasan_unpoison+0x27/0x60
[ 2213.165142][   T42]  do_init_module+0x233/0x740
[ 2213.165289][   T42]  load_module+0x16b5/0x2350
[ 2213.165424][   T42]  ? __pfx_load_module+0x10/0x10
[ 2213.165547][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2213.165704][   T42]  ? kernel_read_file+0x300/0x520
[ 2213.165834][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2213.165965][   T42]  ? init_module_from_file+0xd2/0x130
[ 2213.166087][   T42]  init_module_from_file+0xd2/0x130
[ 2213.166213][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2213.166368][   T42]  ? __lock_release+0x103/0x460
[ 2213.166490][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2213.166643][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2213.166766][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2213.166892][   T42]  idempotent_init_module+0x342/0x620
[ 2213.167018][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2213.167185][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2213.167307][   T42]  do_syscall_64+0xc6/0x1e0
[ 2213.167436][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2213.167624][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 2213.167759][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2213.167944][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 2213.168139][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 2213.168315][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 2213.168491][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 2213.168688][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 2213.168880][   T42]  </TASK>
[ 2213.168972][   T42] 
[ 2213.168972][   T42] Showing all locks held in the system:
[ 2213.169146][   T42] 3 locks held by kworker/u16:0/10:
[ 2213.169263][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2213.169511][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2213.169750][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2213.169966][   T42] 2 locks held by kworker/u20:0/39:
[ 2213.170084][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2213.170325][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2213.170602][   T42] 1 lock held by khungtaskd/42:
[ 2213.170718][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2213.170942][   T42] 1 lock held by modprobe/7622:
[ 2213.171057][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2213.171296][   T42] 
[ 2213.171355][   T42] =============================================
[ 2213.171355][   T42] 
[ 2222.808768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2222.809267][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.809267][   T10]      dst_init+0x84/0x4a0
[ 2222.809267][   T10]      dst_alloc+0x97/0x150
[ 2222.809267][   T10]      ip6_dst_alloc+0x23/0x90
[ 2222.809267][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2222.809267][   T10]      ip6_pol_route+0x56f/0x840
[ 2222.809267][   T10]      fib6_rule_lookup+0x456/0x630
[ 2222.809267][   T10]      ip6_route_input+0x59c/0xa50
[ 2222.809267][   T10]      ipv6_rcv+0x397/0x810
[ 2222.809267][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2222.809267][   T10]      process_backlog+0x101/0x620
[ 2222.809267][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2222.809267][   T10]      net_rx_action+0x495/0xbe0
[ 2222.809267][   T10]      __do_softirq+0x1b5/0x7f6
[ 2222.809267][   T10] 
[ 2222.810897][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.810897][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2222.810897][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2222.810897][   T10]      fib6_nh_init+0xa22/0x1580
[ 2222.810897][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.810897][   T10]      ip6_route_add+0x1c/0x140
[ 2222.810897][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2222.810897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.810897][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.810897][   T10]      netlink_unicast+0x449/0x710
[ 2222.810897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.810897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.810897][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.810897][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.810897][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.810897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.810897][   T10] 
[ 2222.812751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.812751][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.812751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.812751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.812751][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2222.812751][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2222.812751][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2222.812751][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2222.812751][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2222.812751][   T10]      addrconf_dad_begin+0x310/0x670
[ 2222.812751][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2222.812751][   T10]      process_one_work+0x84d/0x18a0
[ 2222.812751][   T10]      worker_thread+0x587/0xd30
[ 2222.812751][   T10]      kthread+0x28a/0x350
[ 2222.812751][   T10]      ret_from_fork+0x31/0x70
[ 2222.812751][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2222.812751][   T10] 
[ 2222.814654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.814654][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.814654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.814654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.814654][   T10]      ip6_route_add+0x1c/0x140
[ 2222.814654][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2222.814654][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2222.814654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.814654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.814654][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.814654][   T10]      netlink_unicast+0x449/0x710
[ 2222.814654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.814654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.814654][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.814654][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.814654][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.814654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.814654][   T10] 
[ 2222.816769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.816769][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.816769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.816769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.816769][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2222.816769][   T10]      ipv6_add_addr+0x411/0x2000
[ 2222.816769][   T10]      inet6_addr_add+0x30e/0xa40
[ 2222.816769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.816769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.816769][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.816769][   T10]      netlink_unicast+0x449/0x710
[ 2222.816769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.816769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.816769][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.816769][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.816769][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.816769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.816769][   T10] 
[ 2222.818797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.818797][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.818797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.818797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.818797][   T10]      ip6_route_add+0x1c/0x140
[ 2222.818797][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2222.818797][   T10]      addrconf_add_dev+0xe2/0x170
[ 2222.818797][   T10]      inet6_addr_add+0x12f/0xa40
[ 2222.818797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.818797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.818797][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.818797][   T10]      netlink_unicast+0x449/0x710
[ 2222.818797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.818797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.818797][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.818797][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.818797][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.818797][   T10] 
[ 2222.820787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.820787][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2222.820787][   T10]      ipv6_find_idev+0x102/0x170
[ 2222.820787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2222.820787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.820787][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.820787][   T10]      netlink_unicast+0x449/0x710
[ 2222.820787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.820787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.820787][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.820787][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.820787][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.820787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.820787][   T10] 
[ 2222.822349][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2222.822349][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2222.822349][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2222.822349][   T10]      ipv6_find_idev+0x102/0x170
[ 2222.822349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2222.822349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.822349][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.822349][   T10]      netlink_unicast+0x449/0x710
[ 2222.822349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.822349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.822349][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.822349][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.822349][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.822349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.822349][   T10] 
[ 2222.824050][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2222.824287][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.824287][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2222.824287][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2222.824287][   T10]      fib6_nh_init+0xa22/0x1580
[ 2222.824287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.824287][   T10]      ip6_route_add+0x1c/0x140
[ 2222.824287][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2222.824287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.824287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.824287][   T10]      netlink_unicast+0x449/0x710
[ 2222.824287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.824287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.824287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.824287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.824287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.824287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.824287][   T10] 
[ 2222.826172][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.826172][   T10]      dst_init+0x84/0x4a0
[ 2222.826172][   T10]      dst_alloc+0x97/0x150
[ 2222.826172][   T10]      ip6_dst_alloc+0x23/0x90
[ 2222.826172][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2222.826172][   T10]      ip6_pol_route+0x56f/0x840
[ 2222.826172][   T10]      fib6_rule_lookup+0x456/0x630
[ 2222.826172][   T10]      ip6_route_input+0x59c/0xa50
[ 2222.826172][   T10]      ipv6_rcv+0x397/0x810
[ 2222.826172][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2222.826172][   T10]      process_backlog+0x101/0x620
[ 2222.826172][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2222.826172][   T10]      net_rx_action+0x495/0xbe0
[ 2222.826172][   T10]      __do_softirq+0x1b5/0x7f6
[ 2222.826172][   T10] 
[ 2222.827811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.827811][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.827811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.827811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.827811][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2222.827811][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2222.827811][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2222.827811][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2222.827811][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2222.827811][   T10]      addrconf_dad_begin+0x310/0x670
[ 2222.827811][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2222.827811][   T10]      process_one_work+0x84d/0x18a0
[ 2222.827811][   T10]      worker_thread+0x587/0xd30
[ 2222.827811][   T10]      kthread+0x28a/0x350
[ 2222.827811][   T10]      ret_from_fork+0x31/0x70
[ 2222.827811][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2222.827811][   T10] 
[ 2222.829725][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.829725][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.829725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.829725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.829725][   T10]      ip6_route_add+0x1c/0x140
[ 2222.829725][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2222.829725][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2222.829725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.829725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.829725][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.829725][   T10]      netlink_unicast+0x449/0x710
[ 2222.829725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.829725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.829725][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.829725][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.829725][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.829725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.829725][   T10] 
[ 2222.831729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.831729][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.831729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.831729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.831729][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2222.831729][   T10]      ipv6_add_addr+0x411/0x2000
[ 2222.831729][   T10]      inet6_addr_add+0x30e/0xa40
[ 2222.831729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.831729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.831729][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.831729][   T10]      netlink_unicast+0x449/0x710
[ 2222.831729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.831729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.831729][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.831729][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.831729][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.831729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.831729][   T10] 
[ 2222.833726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.833726][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.833726][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.833726][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.833726][   T10]      ip6_route_add+0x1c/0x140
[ 2222.833726][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2222.833726][   T10]      addrconf_add_dev+0xe2/0x170
[ 2222.833726][   T10]      inet6_addr_add+0x12f/0xa40
[ 2222.833726][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.833726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.833726][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.833726][   T10]      netlink_unicast+0x449/0x710
[ 2222.833726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.833726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.833726][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.833726][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.833726][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.833726][   T10] 
[ 2222.835827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.835827][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2222.835827][   T10]      ipv6_find_idev+0x102/0x170
[ 2222.835827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2222.835827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.835827][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.835827][   T10]      netlink_unicast+0x449/0x710
[ 2222.835827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.835827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.835827][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.835827][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.835827][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.835827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.835827][   T10] 
[ 2222.837618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2222.837618][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2222.837618][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2222.837618][   T10]      ipv6_find_idev+0x102/0x170
[ 2222.837618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2222.837618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.837618][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.837618][   T10]      netlink_unicast+0x449/0x710
[ 2222.837618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.837618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.837618][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.837618][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.837618][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.837618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.837618][   T10] 
[ 2222.839492][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2222.839851][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2222.839851][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.839851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.839851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.839851][   T10]      ip6_route_add+0x1c/0x140
[ 2222.839851][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2222.839851][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2222.839851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.839851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.839851][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.839851][   T10]      netlink_unicast+0x449/0x710
[ 2222.839851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.839851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.839851][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.839851][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.839851][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.839851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.839851][   T10] 
[ 2222.842040][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2222.842040][   T10]      netdev_get_by_index+0x5e/0x80
[ 2222.842040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2222.842040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2222.842040][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2222.842040][   T10]      ipv6_add_addr+0x411/0x2000
[ 2222.842040][   T10]      inet6_addr_add+0x30e/0xa40
[ 2222.842040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2222.842040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.842040][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.842040][   T10]      netlink_unicast+0x449/0x710
[ 2222.842040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.842040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.842040][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.842040][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.842040][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.842040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.842040][   T10] 
[ 2222.844191][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2222.844191][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2222.844191][   T10]      ipv6_find_idev+0x102/0x170
[ 2222.844191][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2222.844191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.844191][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.844191][   T10]      netlink_unicast+0x449/0x710
[ 2222.844191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.844191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.844191][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.844191][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.844191][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.844191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.844191][   T10] 
[ 2222.845931][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2222.845931][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2222.845931][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2222.845931][   T10]      ipv6_find_idev+0x102/0x170
[ 2222.845931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2222.845931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2222.845931][   T10]      netlink_rcv_skb+0x130/0x360
[ 2222.845931][   T10]      netlink_unicast+0x449/0x710
[ 2222.845931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2222.845931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2222.845931][   T10]      ___sys_sendmsg+0xee/0x170
[ 2222.845931][   T10]      __sys_sendmsg+0xcd/0x170
[ 2222.845931][   T10]      do_syscall_64+0xc6/0x1e0
[ 2222.845931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2222.845931][   T10] 
[ 2233.088712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2233.089147][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.089147][   T10]      dst_init+0x84/0x4a0
[ 2233.089147][   T10]      dst_alloc+0x97/0x150
[ 2233.089147][   T10]      ip6_dst_alloc+0x23/0x90
[ 2233.089147][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2233.089147][   T10]      ip6_pol_route+0x56f/0x840
[ 2233.089147][   T10]      fib6_rule_lookup+0x456/0x630
[ 2233.089147][   T10]      ip6_route_input+0x59c/0xa50
[ 2233.089147][   T10]      ipv6_rcv+0x397/0x810
[ 2233.089147][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2233.089147][   T10]      process_backlog+0x101/0x620
[ 2233.089147][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2233.089147][   T10]      net_rx_action+0x495/0xbe0
[ 2233.089147][   T10]      __do_softirq+0x1b5/0x7f6
[ 2233.089147][   T10] 
[ 2233.090775][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.090775][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2233.090775][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2233.090775][   T10]      fib6_nh_init+0xa22/0x1580
[ 2233.090775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.090775][   T10]      ip6_route_add+0x1c/0x140
[ 2233.090775][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2233.090775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.090775][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.090775][   T10]      netlink_unicast+0x449/0x710
[ 2233.090775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.090775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.090775][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.090775][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.090775][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.090775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.090775][   T10] 
[ 2233.092627][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.092627][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.092627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.092627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.092627][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2233.092627][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2233.092627][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2233.092627][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2233.092627][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2233.092627][   T10]      addrconf_dad_begin+0x310/0x670
[ 2233.092627][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2233.092627][   T10]      process_one_work+0x84d/0x18a0
[ 2233.092627][   T10]      worker_thread+0x587/0xd30
[ 2233.092627][   T10]      kthread+0x28a/0x350
[ 2233.092627][   T10]      ret_from_fork+0x31/0x70
[ 2233.092627][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2233.092627][   T10] 
[ 2233.094499][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.094499][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.094499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.094499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.094499][   T10]      ip6_route_add+0x1c/0x140
[ 2233.094499][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2233.094499][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2233.094499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.094499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.094499][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.094499][   T10]      netlink_unicast+0x449/0x710
[ 2233.094499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.094499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.094499][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.094499][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.094499][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.094499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.094499][   T10] 
[ 2233.096509][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.096509][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.096509][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.096509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.096509][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2233.096509][   T10]      ipv6_add_addr+0x411/0x2000
[ 2233.096509][   T10]      inet6_addr_add+0x30e/0xa40
[ 2233.096509][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.096509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.096509][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.096509][   T10]      netlink_unicast+0x449/0x710
[ 2233.096509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.096509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.096509][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.096509][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.096509][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.096509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.096509][   T10] 
[ 2233.098516][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.098516][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.098516][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.098516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.098516][   T10]      ip6_route_add+0x1c/0x140
[ 2233.098516][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2233.098516][   T10]      addrconf_add_dev+0xe2/0x170
[ 2233.098516][   T10]      inet6_addr_add+0x12f/0xa40
[ 2233.098516][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.098516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.098516][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.098516][   T10]      netlink_unicast+0x449/0x710
[ 2233.098516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.098516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.098516][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.098516][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.098516][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.098516][   T10] 
[ 2233.100482][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.100482][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2233.100482][   T10]      ipv6_find_idev+0x102/0x170
[ 2233.100482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2233.100482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.100482][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.100482][   T10]      netlink_unicast+0x449/0x710
[ 2233.100482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.100482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.100482][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.100482][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.100482][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.100482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.100482][   T10] 
[ 2233.102012][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2233.102012][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2233.102012][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2233.102012][   T10]      ipv6_find_idev+0x102/0x170
[ 2233.102012][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2233.102012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.102012][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.102012][   T10]      netlink_unicast+0x449/0x710
[ 2233.102012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.102012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.102012][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.102012][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.102012][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.102012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.102012][   T10] 
[ 2233.103664][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2233.103898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.103898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2233.103898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2233.103898][   T10]      fib6_nh_init+0xa22/0x1580
[ 2233.103898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.103898][   T10]      ip6_route_add+0x1c/0x140
[ 2233.103898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2233.103898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.103898][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.103898][   T10]      netlink_unicast+0x449/0x710
[ 2233.103898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.103898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.103898][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.103898][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.103898][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.103898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.103898][   T10] 
[ 2233.105802][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.105802][   T10]      dst_init+0x84/0x4a0
[ 2233.105802][   T10]      dst_alloc+0x97/0x150
[ 2233.105802][   T10]      ip6_dst_alloc+0x23/0x90
[ 2233.105802][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2233.105802][   T10]      ip6_pol_route+0x56f/0x840
[ 2233.105802][   T10]      fib6_rule_lookup+0x456/0x630
[ 2233.105802][   T10]      ip6_route_input+0x59c/0xa50
[ 2233.105802][   T10]      ipv6_rcv+0x397/0x810
[ 2233.105802][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2233.105802][   T10]      process_backlog+0x101/0x620
[ 2233.105802][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2233.105802][   T10]      net_rx_action+0x495/0xbe0
[ 2233.105802][   T10]      __do_softirq+0x1b5/0x7f6
[ 2233.105802][   T10] 
[ 2233.107451][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.107451][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.107451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.107451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.107451][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2233.107451][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2233.107451][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2233.107451][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2233.107451][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2233.107451][   T10]      addrconf_dad_begin+0x310/0x670
[ 2233.107451][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2233.107451][   T10]      process_one_work+0x84d/0x18a0
[ 2233.107451][   T10]      worker_thread+0x587/0xd30
[ 2233.107451][   T10]      kthread+0x28a/0x350
[ 2233.107451][   T10]      ret_from_fork+0x31/0x70
[ 2233.107451][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2233.107451][   T10] 
[ 2233.109355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.109355][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.109355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.109355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.109355][   T10]      ip6_route_add+0x1c/0x140
[ 2233.109355][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2233.109355][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2233.109355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.109355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.109355][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.109355][   T10]      netlink_unicast+0x449/0x710
[ 2233.109355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.109355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.109355][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.109355][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.109355][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.109355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.109355][   T10] 
[ 2233.111371][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.111371][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.111371][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.111371][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.111371][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2233.111371][   T10]      ipv6_add_addr+0x411/0x2000
[ 2233.111371][   T10]      inet6_addr_add+0x30e/0xa40
[ 2233.111371][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.111371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.111371][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.111371][   T10]      netlink_unicast+0x449/0x710
[ 2233.111371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.111371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.111371][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.111371][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.111371][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.111371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.111371][   T10] 
[ 2233.113330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.113330][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.113330][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.113330][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.113330][   T10]      ip6_route_add+0x1c/0x140
[ 2233.113330][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2233.113330][   T10]      addrconf_add_dev+0xe2/0x170
[ 2233.113330][   T10]      inet6_addr_add+0x12f/0xa40
[ 2233.113330][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.113330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.113330][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.113330][   T10]      netlink_unicast+0x449/0x710
[ 2233.113330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.113330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.113330][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.113330][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.113330][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.113330][   T10] 
[ 2233.115944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.115944][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2233.115944][   T10]      ipv6_find_idev+0x102/0x170
[ 2233.115944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2233.115944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.115944][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.115944][   T10]      netlink_unicast+0x449/0x710
[ 2233.115944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.115944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.115944][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.115944][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.115944][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.115944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.115944][   T10] 
[ 2233.117668][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2233.117668][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2233.117668][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2233.117668][   T10]      ipv6_find_idev+0x102/0x170
[ 2233.117668][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2233.117668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.117668][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.117668][   T10]      netlink_unicast+0x449/0x710
[ 2233.117668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.117668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.117668][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.117668][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.117668][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.117668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.117668][   T10] 
[ 2233.119612][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2233.119929][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2233.119929][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.119929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.119929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.119929][   T10]      ip6_route_add+0x1c/0x140
[ 2233.119929][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2233.119929][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2233.119929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.119929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.119929][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.119929][   T10]      netlink_unicast+0x449/0x710
[ 2233.119929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.119929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.119929][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.119929][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.119929][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.119929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.119929][   T10] 
[ 2233.122114][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2233.122114][   T10]      netdev_get_by_index+0x5e/0x80
[ 2233.122114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2233.122114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2233.122114][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2233.122114][   T10]      ipv6_add_addr+0x411/0x2000
[ 2233.122114][   T10]      inet6_addr_add+0x30e/0xa40
[ 2233.122114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2233.122114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.122114][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.122114][   T10]      netlink_unicast+0x449/0x710
[ 2233.122114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.122114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.122114][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.122114][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.122114][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.122114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.122114][   T10] 
[ 2233.124317][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2233.124317][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2233.124317][   T10]      ipv6_find_idev+0x102/0x170
[ 2233.124317][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2233.124317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.124317][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.124317][   T10]      netlink_unicast+0x449/0x710
[ 2233.124317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.124317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.124317][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.124317][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.124317][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.124317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.124317][   T10] 
[ 2233.126035][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2233.126035][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2233.126035][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2233.126035][   T10]      ipv6_find_idev+0x102/0x170
[ 2233.126035][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2233.126035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2233.126035][   T10]      netlink_rcv_skb+0x130/0x360
[ 2233.126035][   T10]      netlink_unicast+0x449/0x710
[ 2233.126035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2233.126035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2233.126035][   T10]      ___sys_sendmsg+0xee/0x170
[ 2233.126035][   T10]      __sys_sendmsg+0xcd/0x170
[ 2233.126035][   T10]      do_syscall_64+0xc6/0x1e0
[ 2233.126035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2233.126035][   T10] 
[ 2243.368701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2243.369244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.369244][   T10]      dst_init+0x84/0x4a0
[ 2243.369244][   T10]      dst_alloc+0x97/0x150
[ 2243.369244][   T10]      ip6_dst_alloc+0x23/0x90
[ 2243.369244][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2243.369244][   T10]      ip6_pol_route+0x56f/0x840
[ 2243.369244][   T10]      fib6_rule_lookup+0x456/0x630
[ 2243.369244][   T10]      ip6_route_input+0x59c/0xa50
[ 2243.369244][   T10]      ipv6_rcv+0x397/0x810
[ 2243.369244][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2243.369244][   T10]      process_backlog+0x101/0x620
[ 2243.369244][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2243.369244][   T10]      net_rx_action+0x495/0xbe0
[ 2243.369244][   T10]      __do_softirq+0x1b5/0x7f6
[ 2243.369244][   T10] 
[ 2243.371112][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.371112][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2243.371112][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2243.371112][   T10]      fib6_nh_init+0xa22/0x1580
[ 2243.371112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.371112][   T10]      ip6_route_add+0x1c/0x140
[ 2243.371112][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2243.371112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.371112][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.371112][   T10]      netlink_unicast+0x449/0x710
[ 2243.371112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.371112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.371112][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.371112][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.371112][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.371112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.371112][   T10] 
[ 2243.373269][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.373269][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.373269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.373269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.373269][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2243.373269][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2243.373269][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2243.373269][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2243.373269][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2243.373269][   T10]      addrconf_dad_begin+0x310/0x670
[ 2243.373269][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2243.373269][   T10]      process_one_work+0x84d/0x18a0
[ 2243.373269][   T10]      worker_thread+0x587/0xd30
[ 2243.373269][   T10]      kthread+0x28a/0x350
[ 2243.373269][   T10]      ret_from_fork+0x31/0x70
[ 2243.373269][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2243.373269][   T10] 
[ 2243.375446][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.375446][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.375446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.375446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.375446][   T10]      ip6_route_add+0x1c/0x140
[ 2243.375446][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2243.375446][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2243.375446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.375446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.375446][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.375446][   T10]      netlink_unicast+0x449/0x710
[ 2243.375446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.375446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.375446][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.375446][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.375446][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.375446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.375446][   T10] 
[ 2243.377705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.377705][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.377705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.377705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.377705][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2243.377705][   T10]      ipv6_add_addr+0x411/0x2000
[ 2243.377705][   T10]      inet6_addr_add+0x30e/0xa40
[ 2243.377705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.377705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.377705][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.377705][   T10]      netlink_unicast+0x449/0x710
[ 2243.377705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.377705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.377705][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.377705][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.377705][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.377705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.377705][   T10] 
[ 2243.379960][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.379960][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.379960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.379960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.379960][   T10]      ip6_route_add+0x1c/0x140
[ 2243.379960][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2243.379960][   T10]      addrconf_add_dev+0xe2/0x170
[ 2243.379960][   T10]      inet6_addr_add+0x12f/0xa40
[ 2243.379960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.379960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.379960][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.379960][   T10]      netlink_unicast+0x449/0x710
[ 2243.379960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.379960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.379960][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.379960][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.379960][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.379960][   T10] 
[ 2243.382197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.382197][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2243.382197][   T10]      ipv6_find_idev+0x102/0x170
[ 2243.382197][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2243.382197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.382197][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.382197][   T10]      netlink_unicast+0x449/0x710
[ 2243.382197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.382197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.382197][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.382197][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.382197][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.382197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.382197][   T10] 
[ 2243.383956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2243.383956][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2243.383956][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2243.383956][   T10]      ipv6_find_idev+0x102/0x170
[ 2243.383956][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2243.383956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.383956][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.383956][   T10]      netlink_unicast+0x449/0x710
[ 2243.383956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.383956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.383956][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.383956][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.383956][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.383956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.383956][   T10] 
[ 2243.385862][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2243.386124][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.386124][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2243.386124][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2243.386124][   T10]      fib6_nh_init+0xa22/0x1580
[ 2243.386124][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.386124][   T10]      ip6_route_add+0x1c/0x140
[ 2243.386124][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2243.386124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.386124][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.386124][   T10]      netlink_unicast+0x449/0x710
[ 2243.386124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.386124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.386124][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.386124][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.386124][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.386124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.386124][   T10] 
[ 2243.388226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.388226][   T10]      dst_init+0x84/0x4a0
[ 2243.388226][   T10]      dst_alloc+0x97/0x150
[ 2243.388226][   T10]      ip6_dst_alloc+0x23/0x90
[ 2243.388226][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2243.388226][   T10]      ip6_pol_route+0x56f/0x840
[ 2243.388226][   T10]      fib6_rule_lookup+0x456/0x630
[ 2243.388226][   T10]      ip6_route_input+0x59c/0xa50
[ 2243.388226][   T10]      ipv6_rcv+0x397/0x810
[ 2243.388226][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2243.388226][   T10]      process_backlog+0x101/0x620
[ 2243.388226][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2243.388226][   T10]      net_rx_action+0x495/0xbe0
[ 2243.388226][   T10]      __do_softirq+0x1b5/0x7f6
[ 2243.388226][   T10] 
[ 2243.390063][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.390063][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.390063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.390063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.390063][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2243.390063][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2243.390063][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2243.390063][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2243.390063][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2243.390063][   T10]      addrconf_dad_begin+0x310/0x670
[ 2243.390063][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2243.390063][   T10]      process_one_work+0x84d/0x18a0
[ 2243.390063][   T10]      worker_thread+0x587/0xd30
[ 2243.390063][   T10]      kthread+0x28a/0x350
[ 2243.390063][   T10]      ret_from_fork+0x31/0x70
[ 2243.390063][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2243.390063][   T10] 
[ 2243.392569][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.392569][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.392569][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.392569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.392569][   T10]      ip6_route_add+0x1c/0x140
[ 2243.392569][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2243.392569][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2243.392569][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.392569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.392569][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.392569][   T10]      netlink_unicast+0x449/0x710
[ 2243.392569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.392569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.392569][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.392569][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.392569][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.392569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.392569][   T10] 
[ 2243.394812][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.394812][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.394812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.394812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.394812][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2243.394812][   T10]      ipv6_add_addr+0x411/0x2000
[ 2243.394812][   T10]      inet6_addr_add+0x30e/0xa40
[ 2243.394812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.394812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.394812][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.394812][   T10]      netlink_unicast+0x449/0x710
[ 2243.394812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.394812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.394812][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.394812][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.394812][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.394812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.394812][   T10] 
[ 2243.397063][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.397063][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.397063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.397063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.397063][   T10]      ip6_route_add+0x1c/0x140
[ 2243.397063][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2243.397063][   T10]      addrconf_add_dev+0xe2/0x170
[ 2243.397063][   T10]      inet6_addr_add+0x12f/0xa40
[ 2243.397063][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.397063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.397063][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.397063][   T10]      netlink_unicast+0x449/0x710
[ 2243.397063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.397063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.397063][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.397063][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.397063][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.397063][   T10] 
[ 2243.399412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.399412][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2243.399412][   T10]      ipv6_find_idev+0x102/0x170
[ 2243.399412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2243.399412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.399412][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.399412][   T10]      netlink_unicast+0x449/0x710
[ 2243.399412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.399412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.399412][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.399412][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.399412][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.399412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.399412][   T10] 
[ 2243.401489][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2243.401489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2243.401489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2243.401489][   T10]      ipv6_find_idev+0x102/0x170
[ 2243.401489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2243.401489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.401489][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.401489][   T10]      netlink_unicast+0x449/0x710
[ 2243.401489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.401489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.401489][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.401489][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.401489][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.401489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.401489][   T10] 
[ 2243.403684][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2243.403983][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2243.403983][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.403983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.403983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.403983][   T10]      ip6_route_add+0x1c/0x140
[ 2243.403983][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2243.403983][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2243.403983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.403983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.403983][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.403983][   T10]      netlink_unicast+0x449/0x710
[ 2243.403983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.403983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.403983][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.403983][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.403983][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.403983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.403983][   T10] 
[ 2243.406459][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2243.406459][   T10]      netdev_get_by_index+0x5e/0x80
[ 2243.406459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2243.406459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2243.406459][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2243.406459][   T10]      ipv6_add_addr+0x411/0x2000
[ 2243.406459][   T10]      inet6_addr_add+0x30e/0xa40
[ 2243.406459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2243.406459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.406459][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.406459][   T10]      netlink_unicast+0x449/0x710
[ 2243.406459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.406459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.406459][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.406459][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.406459][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.406459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.406459][   T10] 
[ 2243.408850][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2243.408850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2243.408850][   T10]      ipv6_find_idev+0x102/0x170
[ 2243.408850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2243.408850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.408850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.408850][   T10]      netlink_unicast+0x449/0x710
[ 2243.408850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.408850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.408850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.408850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.408850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.408850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.408850][   T10] 
[ 2243.410747][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2243.410747][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2243.410747][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2243.410747][   T10]      ipv6_find_idev+0x102/0x170
[ 2243.410747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2243.410747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2243.410747][   T10]      netlink_rcv_skb+0x130/0x360
[ 2243.410747][   T10]      netlink_unicast+0x449/0x710
[ 2243.410747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2243.410747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2243.410747][   T10]      ___sys_sendmsg+0xee/0x170
[ 2243.410747][   T10]      __sys_sendmsg+0xcd/0x170
[ 2243.410747][   T10]      do_syscall_64+0xc6/0x1e0
[ 2243.410747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2243.410747][   T10] 
[ 2253.648766][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2253.649245][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.649245][   T10]      dst_init+0x84/0x4a0
[ 2253.649245][   T10]      dst_alloc+0x97/0x150
[ 2253.649245][   T10]      ip6_dst_alloc+0x23/0x90
[ 2253.649245][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2253.649245][   T10]      ip6_pol_route+0x56f/0x840
[ 2253.649245][   T10]      fib6_rule_lookup+0x456/0x630
[ 2253.649245][   T10]      ip6_route_input+0x59c/0xa50
[ 2253.649245][   T10]      ipv6_rcv+0x397/0x810
[ 2253.649245][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2253.649245][   T10]      process_backlog+0x101/0x620
[ 2253.649245][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2253.649245][   T10]      net_rx_action+0x495/0xbe0
[ 2253.649245][   T10]      __do_softirq+0x1b5/0x7f6
[ 2253.649245][   T10] 
[ 2253.650931][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.650931][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2253.650931][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2253.650931][   T10]      fib6_nh_init+0xa22/0x1580
[ 2253.650931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.650931][   T10]      ip6_route_add+0x1c/0x140
[ 2253.650931][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2253.650931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.650931][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.650931][   T10]      netlink_unicast+0x449/0x710
[ 2253.650931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.650931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.650931][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.650931][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.650931][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.650931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.650931][   T10] 
[ 2253.652825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.652825][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.652825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.652825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.652825][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2253.652825][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2253.652825][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2253.652825][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2253.652825][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2253.652825][   T10]      addrconf_dad_begin+0x310/0x670
[ 2253.652825][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2253.652825][   T10]      process_one_work+0x84d/0x18a0
[ 2253.652825][   T10]      worker_thread+0x587/0xd30
[ 2253.652825][   T10]      kthread+0x28a/0x350
[ 2253.652825][   T10]      ret_from_fork+0x31/0x70
[ 2253.652825][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2253.652825][   T10] 
[ 2253.654756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.654756][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.654756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.654756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.654756][   T10]      ip6_route_add+0x1c/0x140
[ 2253.654756][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2253.654756][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2253.654756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.654756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.654756][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.654756][   T10]      netlink_unicast+0x449/0x710
[ 2253.654756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.654756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.654756][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.654756][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.654756][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.654756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.654756][   T10] 
[ 2253.656766][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.656766][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.656766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.656766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.656766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2253.656766][   T10]      ipv6_add_addr+0x411/0x2000
[ 2253.656766][   T10]      inet6_addr_add+0x30e/0xa40
[ 2253.656766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.656766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.656766][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.656766][   T10]      netlink_unicast+0x449/0x710
[ 2253.656766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.656766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.656766][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.656766][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.656766][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.656766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.656766][   T10] 
[ 2253.658743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.658743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.658743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.658743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.658743][   T10]      ip6_route_add+0x1c/0x140
[ 2253.658743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2253.658743][   T10]      addrconf_add_dev+0xe2/0x170
[ 2253.658743][   T10]      inet6_addr_add+0x12f/0xa40
[ 2253.658743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.658743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.658743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.658743][   T10]      netlink_unicast+0x449/0x710
[ 2253.658743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.658743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.658743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.658743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.658743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.658743][   T10] 
[ 2253.660714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.660714][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2253.660714][   T10]      ipv6_find_idev+0x102/0x170
[ 2253.660714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2253.660714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.660714][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.660714][   T10]      netlink_unicast+0x449/0x710
[ 2253.660714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.660714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.660714][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.660714][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.660714][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.660714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.660714][   T10] 
[ 2253.662275][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2253.662275][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2253.662275][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2253.662275][   T10]      ipv6_find_idev+0x102/0x170
[ 2253.662275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2253.662275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.662275][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.662275][   T10]      netlink_unicast+0x449/0x710
[ 2253.662275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.662275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.662275][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.662275][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.662275][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.662275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.662275][   T10] 
[ 2253.663983][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2253.664225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.664225][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2253.664225][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2253.664225][   T10]      fib6_nh_init+0xa22/0x1580
[ 2253.664225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.664225][   T10]      ip6_route_add+0x1c/0x140
[ 2253.664225][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2253.664225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.664225][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.664225][   T10]      netlink_unicast+0x449/0x710
[ 2253.664225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.664225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.664225][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.664225][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.664225][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.664225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.664225][   T10] 
[ 2253.666092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.666092][   T10]      dst_init+0x84/0x4a0
[ 2253.666092][   T10]      dst_alloc+0x97/0x150
[ 2253.666092][   T10]      ip6_dst_alloc+0x23/0x90
[ 2253.666092][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2253.666092][   T10]      ip6_pol_route+0x56f/0x840
[ 2253.666092][   T10]      fib6_rule_lookup+0x456/0x630
[ 2253.666092][   T10]      ip6_route_input+0x59c/0xa50
[ 2253.666092][   T10]      ipv6_rcv+0x397/0x810
[ 2253.666092][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2253.666092][   T10]      process_backlog+0x101/0x620
[ 2253.666092][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2253.666092][   T10]      net_rx_action+0x495/0xbe0
[ 2253.666092][   T10]      __do_softirq+0x1b5/0x7f6
[ 2253.666092][   T10] 
[ 2253.667685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.667685][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.667685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.667685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.667685][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2253.667685][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2253.667685][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2253.667685][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2253.667685][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2253.667685][   T10]      addrconf_dad_begin+0x310/0x670
[ 2253.667685][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2253.667685][   T10]      process_one_work+0x84d/0x18a0
[ 2253.667685][   T10]      worker_thread+0x587/0xd30
[ 2253.667685][   T10]      kthread+0x28a/0x350
[ 2253.667685][   T10]      ret_from_fork+0x31/0x70
[ 2253.667685][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2253.667685][   T10] 
[ 2253.669550][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.669550][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.669550][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.669550][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.669550][   T10]      ip6_route_add+0x1c/0x140
[ 2253.669550][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2253.669550][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2253.669550][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.669550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.669550][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.669550][   T10]      netlink_unicast+0x449/0x710
[ 2253.669550][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.669550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.669550][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.669550][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.669550][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.669550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.669550][   T10] 
[ 2253.671491][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.671491][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.671491][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.671491][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.671491][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2253.671491][   T10]      ipv6_add_addr+0x411/0x2000
[ 2253.671491][   T10]      inet6_addr_add+0x30e/0xa40
[ 2253.671491][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.671491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.671491][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.671491][   T10]      netlink_unicast+0x449/0x710
[ 2253.671491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.671491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.671491][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.671491][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.671491][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.671491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.671491][   T10] 
[ 2253.673437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.673437][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.673437][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.673437][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.673437][   T10]      ip6_route_add+0x1c/0x140
[ 2253.673437][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2253.673437][   T10]      addrconf_add_dev+0xe2/0x170
[ 2253.673437][   T10]      inet6_addr_add+0x12f/0xa40
[ 2253.673437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.673437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.673437][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.673437][   T10]      netlink_unicast+0x449/0x710
[ 2253.673437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.673437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.673437][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.673437][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.673437][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.673437][   T10] 
[ 2253.675506][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.675506][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2253.675506][   T10]      ipv6_find_idev+0x102/0x170
[ 2253.675506][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2253.675506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.675506][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.675506][   T10]      netlink_unicast+0x449/0x710
[ 2253.675506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.675506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.675506][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.675506][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.675506][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.675506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.675506][   T10] 
[ 2253.677206][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2253.677206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2253.677206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2253.677206][   T10]      ipv6_find_idev+0x102/0x170
[ 2253.677206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2253.677206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.677206][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.677206][   T10]      netlink_unicast+0x449/0x710
[ 2253.677206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.677206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.677206][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.677206][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.677206][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.677206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.677206][   T10] 
[ 2253.679134][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2253.679430][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2253.679430][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.679430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.679430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.679430][   T10]      ip6_route_add+0x1c/0x140
[ 2253.679430][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2253.679430][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2253.679430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.679430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.679430][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.679430][   T10]      netlink_unicast+0x449/0x710
[ 2253.679430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.679430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.679430][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.679430][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.679430][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.679430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.679430][   T10] 
[ 2253.681738][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2253.681738][   T10]      netdev_get_by_index+0x5e/0x80
[ 2253.681738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2253.681738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2253.681738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2253.681738][   T10]      ipv6_add_addr+0x411/0x2000
[ 2253.681738][   T10]      inet6_addr_add+0x30e/0xa40
[ 2253.681738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2253.681738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.681738][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.681738][   T10]      netlink_unicast+0x449/0x710
[ 2253.681738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.681738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.681738][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.681738][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.681738][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.681738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.681738][   T10] 
[ 2253.683935][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2253.683935][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2253.683935][   T10]      ipv6_find_idev+0x102/0x170
[ 2253.683935][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2253.683935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.683935][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.683935][   T10]      netlink_unicast+0x449/0x710
[ 2253.683935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.683935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.683935][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.683935][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.683935][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.683935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.683935][   T10] 
[ 2253.685658][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2253.685658][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2253.685658][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2253.685658][   T10]      ipv6_find_idev+0x102/0x170
[ 2253.685658][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2253.685658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2253.685658][   T10]      netlink_rcv_skb+0x130/0x360
[ 2253.685658][   T10]      netlink_unicast+0x449/0x710
[ 2253.685658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2253.685658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2253.685658][   T10]      ___sys_sendmsg+0xee/0x170
[ 2253.685658][   T10]      __sys_sendmsg+0xcd/0x170
[ 2253.685658][   T10]      do_syscall_64+0xc6/0x1e0
[ 2253.685658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2253.685658][   T10] 
[ 2263.928767][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2263.929303][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.929303][   T10]      dst_init+0x84/0x4a0
[ 2263.929303][   T10]      dst_alloc+0x97/0x150
[ 2263.929303][   T10]      ip6_dst_alloc+0x23/0x90
[ 2263.929303][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2263.929303][   T10]      ip6_pol_route+0x56f/0x840
[ 2263.929303][   T10]      fib6_rule_lookup+0x456/0x630
[ 2263.929303][   T10]      ip6_route_input+0x59c/0xa50
[ 2263.929303][   T10]      ipv6_rcv+0x397/0x810
[ 2263.929303][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2263.929303][   T10]      process_backlog+0x101/0x620
[ 2263.929303][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2263.929303][   T10]      net_rx_action+0x495/0xbe0
[ 2263.929303][   T10]      __do_softirq+0x1b5/0x7f6
[ 2263.929303][   T10] 
[ 2263.930878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.930878][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2263.930878][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2263.930878][   T10]      fib6_nh_init+0xa22/0x1580
[ 2263.930878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.930878][   T10]      ip6_route_add+0x1c/0x140
[ 2263.930878][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2263.930878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.930878][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.930878][   T10]      netlink_unicast+0x449/0x710
[ 2263.930878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.930878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.930878][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.930878][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.930878][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.930878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.930878][   T10] 
[ 2263.932777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.932777][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.932777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.932777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.932777][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2263.932777][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2263.932777][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2263.932777][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2263.932777][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2263.932777][   T10]      addrconf_dad_begin+0x310/0x670
[ 2263.932777][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2263.932777][   T10]      process_one_work+0x84d/0x18a0
[ 2263.932777][   T10]      worker_thread+0x587/0xd30
[ 2263.932777][   T10]      kthread+0x28a/0x350
[ 2263.932777][   T10]      ret_from_fork+0x31/0x70
[ 2263.932777][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2263.932777][   T10] 
[ 2263.934719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.934719][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.934719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.934719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.934719][   T10]      ip6_route_add+0x1c/0x140
[ 2263.934719][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2263.934719][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2263.934719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.934719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.934719][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.934719][   T10]      netlink_unicast+0x449/0x710
[ 2263.934719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.934719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.934719][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.934719][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.934719][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.934719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.934719][   T10] 
[ 2263.936789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.936789][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.936789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.936789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.936789][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2263.936789][   T10]      ipv6_add_addr+0x411/0x2000
[ 2263.936789][   T10]      inet6_addr_add+0x30e/0xa40
[ 2263.936789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.936789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.936789][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.936789][   T10]      netlink_unicast+0x449/0x710
[ 2263.936789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.936789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.936789][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.936789][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.936789][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.936789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.936789][   T10] 
[ 2263.938852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.938852][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.938852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.938852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.938852][   T10]      ip6_route_add+0x1c/0x140
[ 2263.938852][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2263.938852][   T10]      addrconf_add_dev+0xe2/0x170
[ 2263.938852][   T10]      inet6_addr_add+0x12f/0xa40
[ 2263.938852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.938852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.938852][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.938852][   T10]      netlink_unicast+0x449/0x710
[ 2263.938852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.938852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.938852][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.938852][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.938852][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.938852][   T10] 
[ 2263.940703][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.940703][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2263.940703][   T10]      ipv6_find_idev+0x102/0x170
[ 2263.940703][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2263.940703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.940703][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.940703][   T10]      netlink_unicast+0x449/0x710
[ 2263.940703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.940703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.940703][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.940703][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.940703][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.940703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.940703][   T10] 
[ 2263.942157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2263.942157][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2263.942157][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2263.942157][   T10]      ipv6_find_idev+0x102/0x170
[ 2263.942157][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2263.942157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.942157][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.942157][   T10]      netlink_unicast+0x449/0x710
[ 2263.942157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.942157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.942157][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.942157][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.942157][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.942157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.942157][   T10] 
[ 2263.943895][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2263.944145][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.944145][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2263.944145][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2263.944145][   T10]      fib6_nh_init+0xa22/0x1580
[ 2263.944145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.944145][   T10]      ip6_route_add+0x1c/0x140
[ 2263.944145][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2263.944145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.944145][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.944145][   T10]      netlink_unicast+0x449/0x710
[ 2263.944145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.944145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.944145][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.944145][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.944145][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.944145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.944145][   T10] 
[ 2263.945997][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.945997][   T10]      dst_init+0x84/0x4a0
[ 2263.945997][   T10]      dst_alloc+0x97/0x150
[ 2263.945997][   T10]      ip6_dst_alloc+0x23/0x90
[ 2263.945997][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2263.945997][   T10]      ip6_pol_route+0x56f/0x840
[ 2263.945997][   T10]      fib6_rule_lookup+0x456/0x630
[ 2263.945997][   T10]      ip6_route_input+0x59c/0xa50
[ 2263.945997][   T10]      ipv6_rcv+0x397/0x810
[ 2263.945997][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2263.945997][   T10]      process_backlog+0x101/0x620
[ 2263.945997][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2263.945997][   T10]      net_rx_action+0x495/0xbe0
[ 2263.945997][   T10]      __do_softirq+0x1b5/0x7f6
[ 2263.945997][   T10] 
[ 2263.947621][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.947621][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.947621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.947621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.947621][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2263.947621][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2263.947621][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2263.947621][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2263.947621][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2263.947621][   T10]      addrconf_dad_begin+0x310/0x670
[ 2263.947621][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2263.947621][   T10]      process_one_work+0x84d/0x18a0
[ 2263.947621][   T10]      worker_thread+0x587/0xd30
[ 2263.947621][   T10]      kthread+0x28a/0x350
[ 2263.947621][   T10]      ret_from_fork+0x31/0x70
[ 2263.947621][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2263.947621][   T10] 
[ 2263.949542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.949542][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.949542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.949542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.949542][   T10]      ip6_route_add+0x1c/0x140
[ 2263.949542][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2263.949542][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2263.949542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.949542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.949542][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.949542][   T10]      netlink_unicast+0x449/0x710
[ 2263.949542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.949542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.949542][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.949542][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.949542][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.949542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.949542][   T10] 
[ 2263.951459][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.951459][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.951459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.951459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.951459][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2263.951459][   T10]      ipv6_add_addr+0x411/0x2000
[ 2263.951459][   T10]      inet6_addr_add+0x30e/0xa40
[ 2263.951459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.951459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.951459][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.951459][   T10]      netlink_unicast+0x449/0x710
[ 2263.951459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.951459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.951459][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.951459][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.951459][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.951459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.951459][   T10] 
[ 2263.953416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.953416][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.953416][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.953416][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.953416][   T10]      ip6_route_add+0x1c/0x140
[ 2263.953416][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2263.953416][   T10]      addrconf_add_dev+0xe2/0x170
[ 2263.953416][   T10]      inet6_addr_add+0x12f/0xa40
[ 2263.953416][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.953416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.953416][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.953416][   T10]      netlink_unicast+0x449/0x710
[ 2263.953416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.953416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.953416][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.953416][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.953416][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.953416][   T10] 
[ 2263.955535][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.955535][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2263.955535][   T10]      ipv6_find_idev+0x102/0x170
[ 2263.955535][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2263.955535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.955535][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.955535][   T10]      netlink_unicast+0x449/0x710
[ 2263.955535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.955535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.955535][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.955535][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.955535][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.955535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.955535][   T10] 
[ 2263.957343][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2263.957343][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2263.957343][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2263.957343][   T10]      ipv6_find_idev+0x102/0x170
[ 2263.957343][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2263.957343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.957343][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.957343][   T10]      netlink_unicast+0x449/0x710
[ 2263.957343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.957343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.957343][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.957343][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.957343][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.957343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.957343][   T10] 
[ 2263.959236][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2263.959477][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2263.959477][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.959477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.959477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.959477][   T10]      ip6_route_add+0x1c/0x140
[ 2263.959477][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2263.959477][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2263.959477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.959477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.959477][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.959477][   T10]      netlink_unicast+0x449/0x710
[ 2263.959477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.959477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.959477][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.959477][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.959477][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.959477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.959477][   T10] 
[ 2263.961721][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2263.961721][   T10]      netdev_get_by_index+0x5e/0x80
[ 2263.961721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2263.961721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2263.961721][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2263.961721][   T10]      ipv6_add_addr+0x411/0x2000
[ 2263.961721][   T10]      inet6_addr_add+0x30e/0xa40
[ 2263.961721][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2263.961721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.961721][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.961721][   T10]      netlink_unicast+0x449/0x710
[ 2263.961721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.961721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.961721][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.961721][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.961721][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.961721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.961721][   T10] 
[ 2263.963910][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2263.963910][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2263.963910][   T10]      ipv6_find_idev+0x102/0x170
[ 2263.963910][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2263.963910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.963910][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.963910][   T10]      netlink_unicast+0x449/0x710
[ 2263.963910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.963910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.963910][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.963910][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.963910][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.963910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.963910][   T10] 
[ 2263.965699][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2263.965699][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2263.965699][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2263.965699][   T10]      ipv6_find_idev+0x102/0x170
[ 2263.965699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2263.965699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2263.965699][   T10]      netlink_rcv_skb+0x130/0x360
[ 2263.965699][   T10]      netlink_unicast+0x449/0x710
[ 2263.965699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2263.965699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2263.965699][   T10]      ___sys_sendmsg+0xee/0x170
[ 2263.965699][   T10]      __sys_sendmsg+0xcd/0x170
[ 2263.965699][   T10]      do_syscall_64+0xc6/0x1e0
[ 2263.965699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2263.965699][   T10] 
[ 2274.208788][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2274.209244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.209244][   T10]      dst_init+0x84/0x4a0
[ 2274.209244][   T10]      dst_alloc+0x97/0x150
[ 2274.209244][   T10]      ip6_dst_alloc+0x23/0x90
[ 2274.209244][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2274.209244][   T10]      ip6_pol_route+0x56f/0x840
[ 2274.209244][   T10]      fib6_rule_lookup+0x456/0x630
[ 2274.209244][   T10]      ip6_route_input+0x59c/0xa50
[ 2274.209244][   T10]      ipv6_rcv+0x397/0x810
[ 2274.209244][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2274.209244][   T10]      process_backlog+0x101/0x620
[ 2274.209244][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2274.209244][   T10]      net_rx_action+0x495/0xbe0
[ 2274.209244][   T10]      __do_softirq+0x1b5/0x7f6
[ 2274.209244][   T10] 
[ 2274.210921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.210921][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2274.210921][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2274.210921][   T10]      fib6_nh_init+0xa22/0x1580
[ 2274.210921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.210921][   T10]      ip6_route_add+0x1c/0x140
[ 2274.210921][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2274.210921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.210921][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.210921][   T10]      netlink_unicast+0x449/0x710
[ 2274.210921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.210921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.210921][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.210921][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.210921][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.210921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.210921][   T10] 
[ 2274.212768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.212768][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.212768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.212768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.212768][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2274.212768][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2274.212768][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2274.212768][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2274.212768][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2274.212768][   T10]      addrconf_dad_begin+0x310/0x670
[ 2274.212768][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2274.212768][   T10]      process_one_work+0x84d/0x18a0
[ 2274.212768][   T10]      worker_thread+0x587/0xd30
[ 2274.212768][   T10]      kthread+0x28a/0x350
[ 2274.212768][   T10]      ret_from_fork+0x31/0x70
[ 2274.212768][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2274.212768][   T10] 
[ 2274.214641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.214641][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.214641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.214641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.214641][   T10]      ip6_route_add+0x1c/0x140
[ 2274.214641][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2274.214641][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2274.214641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.214641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.214641][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.214641][   T10]      netlink_unicast+0x449/0x710
[ 2274.214641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.214641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.214641][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.214641][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.214641][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.214641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.214641][   T10] 
[ 2274.216653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.216653][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.216653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.216653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.216653][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2274.216653][   T10]      ipv6_add_addr+0x411/0x2000
[ 2274.216653][   T10]      inet6_addr_add+0x30e/0xa40
[ 2274.216653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.216653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.216653][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.216653][   T10]      netlink_unicast+0x449/0x710
[ 2274.216653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.216653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.216653][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.216653][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.216653][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.216653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.216653][   T10] 
[ 2274.218633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.218633][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.218633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.218633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.218633][   T10]      ip6_route_add+0x1c/0x140
[ 2274.218633][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2274.218633][   T10]      addrconf_add_dev+0xe2/0x170
[ 2274.218633][   T10]      inet6_addr_add+0x12f/0xa40
[ 2274.218633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.218633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.218633][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.218633][   T10]      netlink_unicast+0x449/0x710
[ 2274.218633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.218633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.218633][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.218633][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.218633][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.218633][   T10] 
[ 2274.220602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.220602][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2274.220602][   T10]      ipv6_find_idev+0x102/0x170
[ 2274.220602][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2274.220602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.220602][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.220602][   T10]      netlink_unicast+0x449/0x710
[ 2274.220602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.220602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.220602][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.220602][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.220602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.220602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.220602][   T10] 
[ 2274.222106][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2274.222106][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2274.222106][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2274.222106][   T10]      ipv6_find_idev+0x102/0x170
[ 2274.222106][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2274.222106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.222106][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.222106][   T10]      netlink_unicast+0x449/0x710
[ 2274.222106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.222106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.222106][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.222106][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.222106][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.222106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.222106][   T10] 
[ 2274.223747][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2274.223976][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.223976][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2274.223976][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2274.223976][   T10]      fib6_nh_init+0xa22/0x1580
[ 2274.223976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.223976][   T10]      ip6_route_add+0x1c/0x140
[ 2274.223976][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2274.223976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.223976][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.223976][   T10]      netlink_unicast+0x449/0x710
[ 2274.223976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.223976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.223976][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.223976][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.223976][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.223976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.223976][   T10] 
[ 2274.226120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.226120][   T10]      dst_init+0x84/0x4a0
[ 2274.226120][   T10]      dst_alloc+0x97/0x150
[ 2274.226120][   T10]      ip6_dst_alloc+0x23/0x90
[ 2274.226120][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2274.226120][   T10]      ip6_pol_route+0x56f/0x840
[ 2274.226120][   T10]      fib6_rule_lookup+0x456/0x630
[ 2274.226120][   T10]      ip6_route_input+0x59c/0xa50
[ 2274.226120][   T10]      ipv6_rcv+0x397/0x810
[ 2274.226120][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2274.226120][   T10]      process_backlog+0x101/0x620
[ 2274.226120][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2274.226120][   T10]      net_rx_action+0x495/0xbe0
[ 2274.226120][   T10]      __do_softirq+0x1b5/0x7f6
[ 2274.226120][   T10] 
[ 2274.228142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.228142][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.228142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.228142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.228142][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2274.228142][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2274.228142][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2274.228142][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2274.228142][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2274.228142][   T10]      addrconf_dad_begin+0x310/0x670
[ 2274.228142][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2274.228142][   T10]      process_one_work+0x84d/0x18a0
[ 2274.228142][   T10]      worker_thread+0x587/0xd30
[ 2274.228142][   T10]      kthread+0x28a/0x350
[ 2274.228142][   T10]      ret_from_fork+0x31/0x70
[ 2274.228142][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2274.228142][   T10] 
[ 2274.230064][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.230064][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.230064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.230064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.230064][   T10]      ip6_route_add+0x1c/0x140
[ 2274.230064][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2274.230064][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2274.230064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.230064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.230064][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.230064][   T10]      netlink_unicast+0x449/0x710
[ 2274.230064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.230064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.230064][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.230064][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.230064][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.230064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.230064][   T10] 
[ 2274.232034][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.232034][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.232034][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.232034][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.232034][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2274.232034][   T10]      ipv6_add_addr+0x411/0x2000
[ 2274.232034][   T10]      inet6_addr_add+0x30e/0xa40
[ 2274.232034][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.232034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.232034][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.232034][   T10]      netlink_unicast+0x449/0x710
[ 2274.232034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.232034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.232034][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.232034][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.232034][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.232034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.232034][   T10] 
[ 2274.234046][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.234046][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.234046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.234046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.234046][   T10]      ip6_route_add+0x1c/0x140
[ 2274.234046][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2274.234046][   T10]      addrconf_add_dev+0xe2/0x170
[ 2274.234046][   T10]      inet6_addr_add+0x12f/0xa40
[ 2274.234046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.234046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.234046][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.234046][   T10]      netlink_unicast+0x449/0x710
[ 2274.234046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.234046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.234046][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.234046][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.234046][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.234046][   T10] 
[ 2274.236230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.236230][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2274.236230][   T10]      ipv6_find_idev+0x102/0x170
[ 2274.236230][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2274.236230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.236230][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.236230][   T10]      netlink_unicast+0x449/0x710
[ 2274.236230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.236230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.236230][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.236230][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.236230][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.236230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.236230][   T10] 
[ 2274.237959][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2274.237959][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2274.237959][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2274.237959][   T10]      ipv6_find_idev+0x102/0x170
[ 2274.237959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2274.237959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.237959][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.237959][   T10]      netlink_unicast+0x449/0x710
[ 2274.237959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.237959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.237959][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.237959][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.237959][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.237959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.237959][   T10] 
[ 2274.239888][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2274.240191][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2274.240191][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.240191][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.240191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.240191][   T10]      ip6_route_add+0x1c/0x140
[ 2274.240191][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2274.240191][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2274.240191][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.240191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.240191][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.240191][   T10]      netlink_unicast+0x449/0x710
[ 2274.240191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.240191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.240191][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.240191][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.240191][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.240191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.240191][   T10] 
[ 2274.242298][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2274.242298][   T10]      netdev_get_by_index+0x5e/0x80
[ 2274.242298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2274.242298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2274.242298][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2274.242298][   T10]      ipv6_add_addr+0x411/0x2000
[ 2274.242298][   T10]      inet6_addr_add+0x30e/0xa40
[ 2274.242298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2274.242298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.242298][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.242298][   T10]      netlink_unicast+0x449/0x710
[ 2274.242298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.242298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.242298][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.242298][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.242298][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.242298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.242298][   T10] 
[ 2274.244504][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2274.244504][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2274.244504][   T10]      ipv6_find_idev+0x102/0x170
[ 2274.244504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2274.244504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.244504][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.244504][   T10]      netlink_unicast+0x449/0x710
[ 2274.244504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.244504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.244504][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.244504][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.244504][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.244504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.244504][   T10] 
[ 2274.246216][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2274.246216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2274.246216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2274.246216][   T10]      ipv6_find_idev+0x102/0x170
[ 2274.246216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2274.246216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2274.246216][   T10]      netlink_rcv_skb+0x130/0x360
[ 2274.246216][   T10]      netlink_unicast+0x449/0x710
[ 2274.246216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2274.246216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2274.246216][   T10]      ___sys_sendmsg+0xee/0x170
[ 2274.246216][   T10]      __sys_sendmsg+0xcd/0x170
[ 2274.246216][   T10]      do_syscall_64+0xc6/0x1e0
[ 2274.246216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2274.246216][   T10] 
[ 2284.489893][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2284.490428][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.490428][   T10]      dst_init+0x84/0x4a0
[ 2284.490428][   T10]      dst_alloc+0x97/0x150
[ 2284.490428][   T10]      ip6_dst_alloc+0x23/0x90
[ 2284.490428][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2284.490428][   T10]      ip6_pol_route+0x56f/0x840
[ 2284.490428][   T10]      fib6_rule_lookup+0x456/0x630
[ 2284.490428][   T10]      ip6_route_input+0x59c/0xa50
[ 2284.490428][   T10]      ipv6_rcv+0x397/0x810
[ 2284.490428][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2284.490428][   T10]      process_backlog+0x101/0x620
[ 2284.490428][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2284.490428][   T10]      net_rx_action+0x495/0xbe0
[ 2284.490428][   T10]      __do_softirq+0x1b5/0x7f6
[ 2284.490428][   T10] 
[ 2284.492066][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.492066][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2284.492066][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2284.492066][   T10]      fib6_nh_init+0xa22/0x1580
[ 2284.492066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.492066][   T10]      ip6_route_add+0x1c/0x140
[ 2284.492066][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2284.492066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.492066][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.492066][   T10]      netlink_unicast+0x449/0x710
[ 2284.492066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.492066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.492066][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.492066][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.492066][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.492066][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.492066][   T10] 
[ 2284.493918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.493918][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.493918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.493918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.493918][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2284.493918][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2284.493918][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2284.493918][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2284.493918][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2284.493918][   T10]      addrconf_dad_begin+0x310/0x670
[ 2284.493918][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2284.493918][   T10]      process_one_work+0x84d/0x18a0
[ 2284.493918][   T10]      worker_thread+0x587/0xd30
[ 2284.493918][   T10]      kthread+0x28a/0x350
[ 2284.493918][   T10]      ret_from_fork+0x31/0x70
[ 2284.493918][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2284.493918][   T10] 
[ 2284.495844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.495844][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.495844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.495844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.495844][   T10]      ip6_route_add+0x1c/0x140
[ 2284.495844][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2284.495844][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2284.495844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.495844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.495844][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.495844][   T10]      netlink_unicast+0x449/0x710
[ 2284.495844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.495844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.495844][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.495844][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.495844][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.495844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.495844][   T10] 
[ 2284.497832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.497832][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.497832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.497832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.497832][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2284.497832][   T10]      ipv6_add_addr+0x411/0x2000
[ 2284.497832][   T10]      inet6_addr_add+0x30e/0xa40
[ 2284.497832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.497832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.497832][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.497832][   T10]      netlink_unicast+0x449/0x710
[ 2284.497832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.497832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.497832][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.497832][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.497832][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.497832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.497832][   T10] 
[ 2284.499860][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.499860][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.499860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.499860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.499860][   T10]      ip6_route_add+0x1c/0x140
[ 2284.499860][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2284.499860][   T10]      addrconf_add_dev+0xe2/0x170
[ 2284.499860][   T10]      inet6_addr_add+0x12f/0xa40
[ 2284.499860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.499860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.499860][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.499860][   T10]      netlink_unicast+0x449/0x710
[ 2284.499860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.499860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.499860][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.499860][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.499860][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.499860][   T10] 
[ 2284.501954][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.501954][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2284.501954][   T10]      ipv6_find_idev+0x102/0x170
[ 2284.501954][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2284.501954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.501954][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.501954][   T10]      netlink_unicast+0x449/0x710
[ 2284.501954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.501954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.501954][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.501954][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.501954][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.501954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.501954][   T10] 
[ 2284.503497][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2284.503497][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2284.503497][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2284.503497][   T10]      ipv6_find_idev+0x102/0x170
[ 2284.503497][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2284.503497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.503497][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.503497][   T10]      netlink_unicast+0x449/0x710
[ 2284.503497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.503497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.503497][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.503497][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.503497][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.503497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.503497][   T10] 
[ 2284.505215][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2284.505462][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.505462][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2284.505462][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2284.505462][   T10]      fib6_nh_init+0xa22/0x1580
[ 2284.505462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.505462][   T10]      ip6_route_add+0x1c/0x140
[ 2284.505462][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2284.505462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.505462][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.505462][   T10]      netlink_unicast+0x449/0x710
[ 2284.505462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.505462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.505462][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.505462][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.505462][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.505462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.505462][   T10] 
[ 2284.507349][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.507349][   T10]      dst_init+0x84/0x4a0
[ 2284.507349][   T10]      dst_alloc+0x97/0x150
[ 2284.507349][   T10]      ip6_dst_alloc+0x23/0x90
[ 2284.507349][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2284.507349][   T10]      ip6_pol_route+0x56f/0x840
[ 2284.507349][   T10]      fib6_rule_lookup+0x456/0x630
[ 2284.507349][   T10]      ip6_route_input+0x59c/0xa50
[ 2284.507349][   T10]      ipv6_rcv+0x397/0x810
[ 2284.507349][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2284.507349][   T10]      process_backlog+0x101/0x620
[ 2284.507349][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2284.507349][   T10]      net_rx_action+0x495/0xbe0
[ 2284.507349][   T10]      __do_softirq+0x1b5/0x7f6
[ 2284.507349][   T10] 
[ 2284.508983][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.508983][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.508983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.508983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.508983][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2284.508983][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2284.508983][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2284.508983][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2284.508983][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2284.508983][   T10]      addrconf_dad_begin+0x310/0x670
[ 2284.508983][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2284.508983][   T10]      process_one_work+0x84d/0x18a0
[ 2284.508983][   T10]      worker_thread+0x587/0xd30
[ 2284.508983][   T10]      kthread+0x28a/0x350
[ 2284.508983][   T10]      ret_from_fork+0x31/0x70
[ 2284.508983][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2284.508983][   T10] 
[ 2284.510889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.510889][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.510889][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.510889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.510889][   T10]      ip6_route_add+0x1c/0x140
[ 2284.510889][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2284.510889][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2284.510889][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.510889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.510889][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.510889][   T10]      netlink_unicast+0x449/0x710
[ 2284.510889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.510889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.510889][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.510889][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.510889][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.510889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.510889][   T10] 
[ 2284.512891][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.512891][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.512891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.512891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.512891][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2284.512891][   T10]      ipv6_add_addr+0x411/0x2000
[ 2284.512891][   T10]      inet6_addr_add+0x30e/0xa40
[ 2284.512891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.512891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.512891][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.512891][   T10]      netlink_unicast+0x449/0x710
[ 2284.512891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.512891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.512891][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.512891][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.512891][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.512891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.512891][   T10] 
[ 2284.514895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.514895][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.514895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.514895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.514895][   T10]      ip6_route_add+0x1c/0x140
[ 2284.514895][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2284.514895][   T10]      addrconf_add_dev+0xe2/0x170
[ 2284.514895][   T10]      inet6_addr_add+0x12f/0xa40
[ 2284.514895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.514895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.514895][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.514895][   T10]      netlink_unicast+0x449/0x710
[ 2284.514895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.514895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.514895][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.514895][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.514895][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.514895][   T10] 
[ 2284.517044][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.517044][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2284.517044][   T10]      ipv6_find_idev+0x102/0x170
[ 2284.517044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2284.517044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.517044][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.517044][   T10]      netlink_unicast+0x449/0x710
[ 2284.517044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.517044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.517044][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.517044][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.517044][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.517044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.517044][   T10] 
[ 2284.518818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2284.518818][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2284.518818][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2284.518818][   T10]      ipv6_find_idev+0x102/0x170
[ 2284.518818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2284.518818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.518818][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.518818][   T10]      netlink_unicast+0x449/0x710
[ 2284.518818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.518818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.518818][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.518818][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.518818][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.518818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.518818][   T10] 
[ 2284.520687][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2284.520994][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2284.520994][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.520994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.520994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.520994][   T10]      ip6_route_add+0x1c/0x140
[ 2284.520994][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2284.520994][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2284.520994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.520994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.520994][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.520994][   T10]      netlink_unicast+0x449/0x710
[ 2284.520994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.520994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.520994][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.520994][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.520994][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.520994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.520994][   T10] 
[ 2284.523170][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2284.523170][   T10]      netdev_get_by_index+0x5e/0x80
[ 2284.523170][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2284.523170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2284.523170][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2284.523170][   T10]      ipv6_add_addr+0x411/0x2000
[ 2284.523170][   T10]      inet6_addr_add+0x30e/0xa40
[ 2284.523170][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2284.523170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.523170][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.523170][   T10]      netlink_unicast+0x449/0x710
[ 2284.523170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.523170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.523170][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.523170][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.523170][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.523170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.523170][   T10] 
[ 2284.525402][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2284.525402][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2284.525402][   T10]      ipv6_find_idev+0x102/0x170
[ 2284.525402][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2284.525402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.525402][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.525402][   T10]      netlink_unicast+0x449/0x710
[ 2284.525402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.525402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.525402][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.525402][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.525402][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.525402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.525402][   T10] 
[ 2284.527196][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2284.527196][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2284.527196][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2284.527196][   T10]      ipv6_find_idev+0x102/0x170
[ 2284.527196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2284.527196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2284.527196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2284.527196][   T10]      netlink_unicast+0x449/0x710
[ 2284.527196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2284.527196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2284.527196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2284.527196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2284.527196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2284.527196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2284.527196][   T10] 
[ 2294.769239][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2294.769728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.769728][   T10]      dst_init+0x84/0x4a0
[ 2294.769728][   T10]      dst_alloc+0x97/0x150
[ 2294.769728][   T10]      ip6_dst_alloc+0x23/0x90
[ 2294.769728][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2294.769728][   T10]      ip6_pol_route+0x56f/0x840
[ 2294.769728][   T10]      fib6_rule_lookup+0x456/0x630
[ 2294.769728][   T10]      ip6_route_input+0x59c/0xa50
[ 2294.769728][   T10]      ipv6_rcv+0x397/0x810
[ 2294.769728][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2294.769728][   T10]      process_backlog+0x101/0x620
[ 2294.769728][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2294.769728][   T10]      net_rx_action+0x495/0xbe0
[ 2294.769728][   T10]      __do_softirq+0x1b5/0x7f6
[ 2294.769728][   T10] 
[ 2294.771414][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.771414][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2294.771414][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2294.771414][   T10]      fib6_nh_init+0xa22/0x1580
[ 2294.771414][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.771414][   T10]      ip6_route_add+0x1c/0x140
[ 2294.771414][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2294.771414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.771414][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.771414][   T10]      netlink_unicast+0x449/0x710
[ 2294.771414][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.771414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.771414][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.771414][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.771414][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.771414][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.771414][   T10] 
[ 2294.773371][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.773371][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.773371][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.773371][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.773371][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2294.773371][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2294.773371][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2294.773371][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2294.773371][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2294.773371][   T10]      addrconf_dad_begin+0x310/0x670
[ 2294.773371][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2294.773371][   T10]      process_one_work+0x84d/0x18a0
[ 2294.773371][   T10]      worker_thread+0x587/0xd30
[ 2294.773371][   T10]      kthread+0x28a/0x350
[ 2294.773371][   T10]      ret_from_fork+0x31/0x70
[ 2294.773371][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2294.773371][   T10] 
[ 2294.775292][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.775292][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.775292][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.775292][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.775292][   T10]      ip6_route_add+0x1c/0x140
[ 2294.775292][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2294.775292][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2294.775292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.775292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.775292][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.775292][   T10]      netlink_unicast+0x449/0x710
[ 2294.775292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.775292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.775292][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.775292][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.775292][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.775292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.775292][   T10] 
[ 2294.777301][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.777301][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.777301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.777301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.777301][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2294.777301][   T10]      ipv6_add_addr+0x411/0x2000
[ 2294.777301][   T10]      inet6_addr_add+0x30e/0xa40
[ 2294.777301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.777301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.777301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.777301][   T10]      netlink_unicast+0x449/0x710
[ 2294.777301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.777301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.777301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.777301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.777301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.777301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.777301][   T10] 
[ 2294.779329][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.779329][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.779329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.779329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.779329][   T10]      ip6_route_add+0x1c/0x140
[ 2294.779329][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2294.779329][   T10]      addrconf_add_dev+0xe2/0x170
[ 2294.779329][   T10]      inet6_addr_add+0x12f/0xa40
[ 2294.779329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.779329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.779329][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.779329][   T10]      netlink_unicast+0x449/0x710
[ 2294.779329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.779329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.779329][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.779329][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.779329][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.779329][   T10] 
[ 2294.781309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.781309][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2294.781309][   T10]      ipv6_find_idev+0x102/0x170
[ 2294.781309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2294.781309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.781309][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.781309][   T10]      netlink_unicast+0x449/0x710
[ 2294.781309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.781309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.781309][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.781309][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.781309][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.781309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.781309][   T10] 
[ 2294.782871][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2294.782871][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2294.782871][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2294.782871][   T10]      ipv6_find_idev+0x102/0x170
[ 2294.782871][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2294.782871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.782871][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.782871][   T10]      netlink_unicast+0x449/0x710
[ 2294.782871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.782871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.782871][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.782871][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.782871][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.782871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.782871][   T10] 
[ 2294.784562][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2294.784822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.784822][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2294.784822][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2294.784822][   T10]      fib6_nh_init+0xa22/0x1580
[ 2294.784822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.784822][   T10]      ip6_route_add+0x1c/0x140
[ 2294.784822][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2294.784822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.784822][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.784822][   T10]      netlink_unicast+0x449/0x710
[ 2294.784822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.784822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.784822][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.784822][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.784822][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.784822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.784822][   T10] 
[ 2294.786739][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.786739][   T10]      dst_init+0x84/0x4a0
[ 2294.786739][   T10]      dst_alloc+0x97/0x150
[ 2294.786739][   T10]      ip6_dst_alloc+0x23/0x90
[ 2294.786739][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2294.786739][   T10]      ip6_pol_route+0x56f/0x840
[ 2294.786739][   T10]      fib6_rule_lookup+0x456/0x630
[ 2294.786739][   T10]      ip6_route_input+0x59c/0xa50
[ 2294.786739][   T10]      ipv6_rcv+0x397/0x810
[ 2294.786739][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2294.786739][   T10]      process_backlog+0x101/0x620
[ 2294.786739][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2294.786739][   T10]      net_rx_action+0x495/0xbe0
[ 2294.786739][   T10]      __do_softirq+0x1b5/0x7f6
[ 2294.786739][   T10] 
[ 2294.788407][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.788407][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.788407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.788407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.788407][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2294.788407][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2294.788407][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2294.788407][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2294.788407][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2294.788407][   T10]      addrconf_dad_begin+0x310/0x670
[ 2294.788407][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2294.788407][   T10]      process_one_work+0x84d/0x18a0
[ 2294.788407][   T10]      worker_thread+0x587/0xd30
[ 2294.788407][   T10]      kthread+0x28a/0x350
[ 2294.788407][   T10]      ret_from_fork+0x31/0x70
[ 2294.788407][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2294.788407][   T10] 
[ 2294.790309][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.790309][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.790309][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.790309][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.790309][   T10]      ip6_route_add+0x1c/0x140
[ 2294.790309][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2294.790309][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2294.790309][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.790309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.790309][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.790309][   T10]      netlink_unicast+0x449/0x710
[ 2294.790309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.790309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.790309][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.790309][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.790309][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.790309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.790309][   T10] 
[ 2294.792306][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.792306][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.792306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.792306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.792306][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2294.792306][   T10]      ipv6_add_addr+0x411/0x2000
[ 2294.792306][   T10]      inet6_addr_add+0x30e/0xa40
[ 2294.792306][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.792306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.792306][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.792306][   T10]      netlink_unicast+0x449/0x710
[ 2294.792306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.792306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.792306][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.792306][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.792306][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.792306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.792306][   T10] 
[ 2294.794310][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.794310][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.794310][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.794310][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.794310][   T10]      ip6_route_add+0x1c/0x140
[ 2294.794310][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2294.794310][   T10]      addrconf_add_dev+0xe2/0x170
[ 2294.794310][   T10]      inet6_addr_add+0x12f/0xa40
[ 2294.794310][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.794310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.794310][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.794310][   T10]      netlink_unicast+0x449/0x710
[ 2294.794310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.794310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.794310][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.794310][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.794310][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.794310][   T10] 
[ 2294.796464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.796464][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2294.796464][   T10]      ipv6_find_idev+0x102/0x170
[ 2294.796464][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2294.796464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.796464][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.796464][   T10]      netlink_unicast+0x449/0x710
[ 2294.796464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.796464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.796464][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.796464][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.796464][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.796464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.796464][   T10] 
[ 2294.798202][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2294.798202][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2294.798202][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2294.798202][   T10]      ipv6_find_idev+0x102/0x170
[ 2294.798202][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2294.798202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.798202][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.798202][   T10]      netlink_unicast+0x449/0x710
[ 2294.798202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.798202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.798202][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.798202][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.798202][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.798202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.798202][   T10] 
[ 2294.800163][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2294.800459][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2294.800459][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.800459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.800459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.800459][   T10]      ip6_route_add+0x1c/0x140
[ 2294.800459][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2294.800459][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2294.800459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.800459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.800459][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.800459][   T10]      netlink_unicast+0x449/0x710
[ 2294.800459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.800459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.800459][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.800459][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.800459][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.800459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.800459][   T10] 
[ 2294.802634][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2294.802634][   T10]      netdev_get_by_index+0x5e/0x80
[ 2294.802634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2294.802634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2294.802634][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2294.802634][   T10]      ipv6_add_addr+0x411/0x2000
[ 2294.802634][   T10]      inet6_addr_add+0x30e/0xa40
[ 2294.802634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2294.802634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.802634][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.802634][   T10]      netlink_unicast+0x449/0x710
[ 2294.802634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.802634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.802634][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.802634][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.802634][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.802634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.802634][   T10] 
[ 2294.804889][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2294.804889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2294.804889][   T10]      ipv6_find_idev+0x102/0x170
[ 2294.804889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2294.804889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.804889][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.804889][   T10]      netlink_unicast+0x449/0x710
[ 2294.804889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.804889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.804889][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.804889][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.804889][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.804889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.804889][   T10] 
[ 2294.806613][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2294.806613][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2294.806613][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2294.806613][   T10]      ipv6_find_idev+0x102/0x170
[ 2294.806613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2294.806613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2294.806613][   T10]      netlink_rcv_skb+0x130/0x360
[ 2294.806613][   T10]      netlink_unicast+0x449/0x710
[ 2294.806613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2294.806613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2294.806613][   T10]      ___sys_sendmsg+0xee/0x170
[ 2294.806613][   T10]      __sys_sendmsg+0xcd/0x170
[ 2294.806613][   T10]      do_syscall_64+0xc6/0x1e0
[ 2294.806613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2294.806613][   T10] 
[ 2305.048719][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2305.049238][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.049238][   T10]      dst_init+0x84/0x4a0
[ 2305.049238][   T10]      dst_alloc+0x97/0x150
[ 2305.049238][   T10]      ip6_dst_alloc+0x23/0x90
[ 2305.049238][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2305.049238][   T10]      ip6_pol_route+0x56f/0x840
[ 2305.049238][   T10]      fib6_rule_lookup+0x456/0x630
[ 2305.049238][   T10]      ip6_route_input+0x59c/0xa50
[ 2305.049238][   T10]      ipv6_rcv+0x397/0x810
[ 2305.049238][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2305.049238][   T10]      process_backlog+0x101/0x620
[ 2305.049238][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2305.049238][   T10]      net_rx_action+0x495/0xbe0
[ 2305.049238][   T10]      __do_softirq+0x1b5/0x7f6
[ 2305.049238][   T10] 
[ 2305.050930][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.050930][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2305.050930][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2305.050930][   T10]      fib6_nh_init+0xa22/0x1580
[ 2305.050930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.050930][   T10]      ip6_route_add+0x1c/0x140
[ 2305.050930][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2305.050930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.050930][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.050930][   T10]      netlink_unicast+0x449/0x710
[ 2305.050930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.050930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.050930][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.050930][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.050930][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.050930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.050930][   T10] 
[ 2305.052845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.052845][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.052845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.052845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.052845][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2305.052845][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2305.052845][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2305.052845][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2305.052845][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2305.052845][   T10]      addrconf_dad_begin+0x310/0x670
[ 2305.052845][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2305.052845][   T10]      process_one_work+0x84d/0x18a0
[ 2305.052845][   T10]      worker_thread+0x587/0xd30
[ 2305.052845][   T10]      kthread+0x28a/0x350
[ 2305.052845][   T10]      ret_from_fork+0x31/0x70
[ 2305.052845][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2305.052845][   T10] 
[ 2305.054763][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.054763][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.054763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.054763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.054763][   T10]      ip6_route_add+0x1c/0x140
[ 2305.054763][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2305.054763][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2305.054763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.054763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.054763][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.054763][   T10]      netlink_unicast+0x449/0x710
[ 2305.054763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.054763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.054763][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.054763][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.054763][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.054763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.054763][   T10] 
[ 2305.056778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.056778][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.056778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.056778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.056778][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2305.056778][   T10]      ipv6_add_addr+0x411/0x2000
[ 2305.056778][   T10]      inet6_addr_add+0x30e/0xa40
[ 2305.056778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.056778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.056778][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.056778][   T10]      netlink_unicast+0x449/0x710
[ 2305.056778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.056778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.056778][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.056778][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.056778][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.056778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.056778][   T10] 
[ 2305.058782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.058782][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.058782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.058782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.058782][   T10]      ip6_route_add+0x1c/0x140
[ 2305.058782][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2305.058782][   T10]      addrconf_add_dev+0xe2/0x170
[ 2305.058782][   T10]      inet6_addr_add+0x12f/0xa40
[ 2305.058782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.058782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.058782][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.058782][   T10]      netlink_unicast+0x449/0x710
[ 2305.058782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.058782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.058782][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.058782][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.058782][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.058782][   T10] 
[ 2305.060744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.060744][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2305.060744][   T10]      ipv6_find_idev+0x102/0x170
[ 2305.060744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2305.060744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.060744][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.060744][   T10]      netlink_unicast+0x449/0x710
[ 2305.060744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.060744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.060744][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.060744][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.060744][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.060744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.060744][   T10] 
[ 2305.062285][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2305.062285][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2305.062285][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2305.062285][   T10]      ipv6_find_idev+0x102/0x170
[ 2305.062285][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2305.062285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.062285][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.062285][   T10]      netlink_unicast+0x449/0x710
[ 2305.062285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.062285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.062285][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.062285][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.062285][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.062285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.062285][   T10] 
[ 2305.063979][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2305.064218][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.064218][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2305.064218][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2305.064218][   T10]      fib6_nh_init+0xa22/0x1580
[ 2305.064218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.064218][   T10]      ip6_route_add+0x1c/0x140
[ 2305.064218][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2305.064218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.064218][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.064218][   T10]      netlink_unicast+0x449/0x710
[ 2305.064218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.064218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.064218][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.064218][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.064218][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.064218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.064218][   T10] 
[ 2305.066103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.066103][   T10]      dst_init+0x84/0x4a0
[ 2305.066103][   T10]      dst_alloc+0x97/0x150
[ 2305.066103][   T10]      ip6_dst_alloc+0x23/0x90
[ 2305.066103][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2305.066103][   T10]      ip6_pol_route+0x56f/0x840
[ 2305.066103][   T10]      fib6_rule_lookup+0x456/0x630
[ 2305.066103][   T10]      ip6_route_input+0x59c/0xa50
[ 2305.066103][   T10]      ipv6_rcv+0x397/0x810
[ 2305.066103][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2305.066103][   T10]      process_backlog+0x101/0x620
[ 2305.066103][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2305.066103][   T10]      net_rx_action+0x495/0xbe0
[ 2305.066103][   T10]      __do_softirq+0x1b5/0x7f6
[ 2305.066103][   T10] 
[ 2305.067736][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.067736][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.067736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.067736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.067736][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2305.067736][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2305.067736][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2305.067736][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2305.067736][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2305.067736][   T10]      addrconf_dad_begin+0x310/0x670
[ 2305.067736][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2305.067736][   T10]      process_one_work+0x84d/0x18a0
[ 2305.067736][   T10]      worker_thread+0x587/0xd30
[ 2305.067736][   T10]      kthread+0x28a/0x350
[ 2305.067736][   T10]      ret_from_fork+0x31/0x70
[ 2305.067736][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2305.067736][   T10] 
[ 2305.069651][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.069651][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.069651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.069651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.069651][   T10]      ip6_route_add+0x1c/0x140
[ 2305.069651][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2305.069651][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2305.069651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.069651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.069651][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.069651][   T10]      netlink_unicast+0x449/0x710
[ 2305.069651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.069651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.069651][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.069651][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.069651][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.069651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.069651][   T10] 
[ 2305.071674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.071674][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.071674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.071674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.071674][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2305.071674][   T10]      ipv6_add_addr+0x411/0x2000
[ 2305.071674][   T10]      inet6_addr_add+0x30e/0xa40
[ 2305.071674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.071674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.071674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.071674][   T10]      netlink_unicast+0x449/0x710
[ 2305.071674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.071674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.071674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.071674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.071674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.071674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.071674][   T10] 
[ 2305.073682][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.073682][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.073682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.073682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.073682][   T10]      ip6_route_add+0x1c/0x140
[ 2305.073682][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2305.073682][   T10]      addrconf_add_dev+0xe2/0x170
[ 2305.073682][   T10]      inet6_addr_add+0x12f/0xa40
[ 2305.073682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.073682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.073682][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.073682][   T10]      netlink_unicast+0x449/0x710
[ 2305.073682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.073682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.073682][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.073682][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.073682][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.073682][   T10] 
[ 2305.075835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.075835][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2305.075835][   T10]      ipv6_find_idev+0x102/0x170
[ 2305.075835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2305.075835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.075835][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.075835][   T10]      netlink_unicast+0x449/0x710
[ 2305.075835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.075835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.075835][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.075835][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.075835][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.075835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.075835][   T10] 
[ 2305.077650][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2305.077650][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2305.077650][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2305.077650][   T10]      ipv6_find_idev+0x102/0x170
[ 2305.077650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2305.077650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.077650][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.077650][   T10]      netlink_unicast+0x449/0x710
[ 2305.077650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.077650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.077650][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.077650][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.077650][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.077650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.077650][   T10] 
[ 2305.079541][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2305.079852][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2305.079852][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.079852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.079852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.079852][   T10]      ip6_route_add+0x1c/0x140
[ 2305.079852][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2305.079852][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2305.079852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.079852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.079852][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.079852][   T10]      netlink_unicast+0x449/0x710
[ 2305.079852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.079852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.079852][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.079852][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.079852][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.079852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.079852][   T10] 
[ 2305.082051][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2305.082051][   T10]      netdev_get_by_index+0x5e/0x80
[ 2305.082051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2305.082051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2305.082051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2305.082051][   T10]      ipv6_add_addr+0x411/0x2000
[ 2305.082051][   T10]      inet6_addr_add+0x30e/0xa40
[ 2305.082051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2305.082051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.082051][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.082051][   T10]      netlink_unicast+0x449/0x710
[ 2305.082051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.082051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.082051][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.082051][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.082051][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.082051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.082051][   T10] 
[ 2305.084301][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2305.084301][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2305.084301][   T10]      ipv6_find_idev+0x102/0x170
[ 2305.084301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2305.084301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.084301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.084301][   T10]      netlink_unicast+0x449/0x710
[ 2305.084301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.084301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.084301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.084301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.084301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.084301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.084301][   T10] 
[ 2305.086106][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2305.086106][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2305.086106][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2305.086106][   T10]      ipv6_find_idev+0x102/0x170
[ 2305.086106][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2305.086106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2305.086106][   T10]      netlink_rcv_skb+0x130/0x360
[ 2305.086106][   T10]      netlink_unicast+0x449/0x710
[ 2305.086106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2305.086106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2305.086106][   T10]      ___sys_sendmsg+0xee/0x170
[ 2305.086106][   T10]      __sys_sendmsg+0xcd/0x170
[ 2305.086106][   T10]      do_syscall_64+0xc6/0x1e0
[ 2305.086106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2305.086106][   T10] 
[ 2315.328696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2315.329158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.329158][   T10]      dst_init+0x84/0x4a0
[ 2315.329158][   T10]      dst_alloc+0x97/0x150
[ 2315.329158][   T10]      ip6_dst_alloc+0x23/0x90
[ 2315.329158][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2315.329158][   T10]      ip6_pol_route+0x56f/0x840
[ 2315.329158][   T10]      fib6_rule_lookup+0x456/0x630
[ 2315.329158][   T10]      ip6_route_input+0x59c/0xa50
[ 2315.329158][   T10]      ipv6_rcv+0x397/0x810
[ 2315.329158][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2315.329158][   T10]      process_backlog+0x101/0x620
[ 2315.329158][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2315.329158][   T10]      net_rx_action+0x495/0xbe0
[ 2315.329158][   T10]      __do_softirq+0x1b5/0x7f6
[ 2315.329158][   T10] 
[ 2315.330791][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.330791][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2315.330791][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2315.330791][   T10]      fib6_nh_init+0xa22/0x1580
[ 2315.330791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.330791][   T10]      ip6_route_add+0x1c/0x140
[ 2315.330791][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2315.330791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.330791][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.330791][   T10]      netlink_unicast+0x449/0x710
[ 2315.330791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.330791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.330791][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.330791][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.330791][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.330791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.330791][   T10] 
[ 2315.332640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.332640][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.332640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.332640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.332640][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2315.332640][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2315.332640][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2315.332640][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2315.332640][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2315.332640][   T10]      addrconf_dad_begin+0x310/0x670
[ 2315.332640][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2315.332640][   T10]      process_one_work+0x84d/0x18a0
[ 2315.332640][   T10]      worker_thread+0x587/0xd30
[ 2315.332640][   T10]      kthread+0x28a/0x350
[ 2315.332640][   T10]      ret_from_fork+0x31/0x70
[ 2315.332640][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2315.332640][   T10] 
[ 2315.334542][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.334542][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.334542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.334542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.334542][   T10]      ip6_route_add+0x1c/0x140
[ 2315.334542][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2315.334542][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2315.334542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.334542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.334542][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.334542][   T10]      netlink_unicast+0x449/0x710
[ 2315.334542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.334542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.334542][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.334542][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.334542][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.334542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.334542][   T10] 
[ 2315.336588][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.336588][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.336588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.336588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.336588][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2315.336588][   T10]      ipv6_add_addr+0x411/0x2000
[ 2315.336588][   T10]      inet6_addr_add+0x30e/0xa40
[ 2315.336588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.336588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.336588][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.336588][   T10]      netlink_unicast+0x449/0x710
[ 2315.336588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.336588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.336588][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.336588][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.336588][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.336588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.336588][   T10] 
[ 2315.338623][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.338623][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.338623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.338623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.338623][   T10]      ip6_route_add+0x1c/0x140
[ 2315.338623][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2315.338623][   T10]      addrconf_add_dev+0xe2/0x170
[ 2315.338623][   T10]      inet6_addr_add+0x12f/0xa40
[ 2315.338623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.338623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.338623][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.338623][   T10]      netlink_unicast+0x449/0x710
[ 2315.338623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.338623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.338623][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.338623][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.338623][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.338623][   T10] 
[ 2315.340613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.340613][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2315.340613][   T10]      ipv6_find_idev+0x102/0x170
[ 2315.340613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2315.340613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.340613][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.340613][   T10]      netlink_unicast+0x449/0x710
[ 2315.340613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.340613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.340613][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.340613][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.340613][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.340613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.340613][   T10] 
[ 2315.342150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2315.342150][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2315.342150][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2315.342150][   T10]      ipv6_find_idev+0x102/0x170
[ 2315.342150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2315.342150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.342150][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.342150][   T10]      netlink_unicast+0x449/0x710
[ 2315.342150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.342150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.342150][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.342150][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.342150][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.342150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.342150][   T10] 
[ 2315.343873][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2315.344111][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.344111][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2315.344111][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2315.344111][   T10]      fib6_nh_init+0xa22/0x1580
[ 2315.344111][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.344111][   T10]      ip6_route_add+0x1c/0x140
[ 2315.344111][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2315.344111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.344111][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.344111][   T10]      netlink_unicast+0x449/0x710
[ 2315.344111][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.344111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.344111][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.344111][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.344111][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.344111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.344111][   T10] 
[ 2315.345992][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.345992][   T10]      dst_init+0x84/0x4a0
[ 2315.345992][   T10]      dst_alloc+0x97/0x150
[ 2315.345992][   T10]      ip6_dst_alloc+0x23/0x90
[ 2315.345992][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2315.345992][   T10]      ip6_pol_route+0x56f/0x840
[ 2315.345992][   T10]      fib6_rule_lookup+0x456/0x630
[ 2315.345992][   T10]      ip6_route_input+0x59c/0xa50
[ 2315.345992][   T10]      ipv6_rcv+0x397/0x810
[ 2315.345992][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2315.345992][   T10]      process_backlog+0x101/0x620
[ 2315.345992][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2315.345992][   T10]      net_rx_action+0x495/0xbe0
[ 2315.345992][   T10]      __do_softirq+0x1b5/0x7f6
[ 2315.345992][   T10] 
[ 2315.347633][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.347633][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.347633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.347633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.347633][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2315.347633][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2315.347633][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2315.347633][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2315.347633][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2315.347633][   T10]      addrconf_dad_begin+0x310/0x670
[ 2315.347633][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2315.347633][   T10]      process_one_work+0x84d/0x18a0
[ 2315.347633][   T10]      worker_thread+0x587/0xd30
[ 2315.347633][   T10]      kthread+0x28a/0x350
[ 2315.347633][   T10]      ret_from_fork+0x31/0x70
[ 2315.347633][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2315.347633][   T10] 
[ 2315.349552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.349552][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.349552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.349552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.349552][   T10]      ip6_route_add+0x1c/0x140
[ 2315.349552][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2315.349552][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2315.349552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.349552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.349552][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.349552][   T10]      netlink_unicast+0x449/0x710
[ 2315.349552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.349552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.349552][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.349552][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.349552][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.349552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.349552][   T10] 
[ 2315.351546][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.351546][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.351546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.351546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.351546][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2315.351546][   T10]      ipv6_add_addr+0x411/0x2000
[ 2315.351546][   T10]      inet6_addr_add+0x30e/0xa40
[ 2315.351546][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.351546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.351546][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.351546][   T10]      netlink_unicast+0x449/0x710
[ 2315.351546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.351546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.351546][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.351546][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.351546][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.351546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.351546][   T10] 
[ 2315.353554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.353554][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.353554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.353554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.353554][   T10]      ip6_route_add+0x1c/0x140
[ 2315.353554][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2315.353554][   T10]      addrconf_add_dev+0xe2/0x170
[ 2315.353554][   T10]      inet6_addr_add+0x12f/0xa40
[ 2315.353554][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.353554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.353554][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.353554][   T10]      netlink_unicast+0x449/0x710
[ 2315.353554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.353554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.353554][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.353554][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.353554][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.353554][   T10] 
[ 2315.355708][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.355708][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2315.355708][   T10]      ipv6_find_idev+0x102/0x170
[ 2315.355708][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2315.355708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.355708][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.355708][   T10]      netlink_unicast+0x449/0x710
[ 2315.355708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.355708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.355708][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.355708][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.355708][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.355708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.355708][   T10] 
[ 2315.357426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2315.357426][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2315.357426][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2315.357426][   T10]      ipv6_find_idev+0x102/0x170
[ 2315.357426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2315.357426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.357426][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.357426][   T10]      netlink_unicast+0x449/0x710
[ 2315.357426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.357426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.357426][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.357426][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.357426][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.357426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.357426][   T10] 
[ 2315.359372][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2315.359687][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2315.359687][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.359687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.359687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.359687][   T10]      ip6_route_add+0x1c/0x140
[ 2315.359687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2315.359687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2315.359687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.359687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.359687][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.359687][   T10]      netlink_unicast+0x449/0x710
[ 2315.359687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.359687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.359687][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.359687][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.359687][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.359687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.359687][   T10] 
[ 2315.361888][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2315.361888][   T10]      netdev_get_by_index+0x5e/0x80
[ 2315.361888][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2315.361888][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2315.361888][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2315.361888][   T10]      ipv6_add_addr+0x411/0x2000
[ 2315.361888][   T10]      inet6_addr_add+0x30e/0xa40
[ 2315.361888][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2315.361888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.361888][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.361888][   T10]      netlink_unicast+0x449/0x710
[ 2315.361888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.361888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.361888][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.361888][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.361888][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.361888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.361888][   T10] 
[ 2315.364060][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2315.364060][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2315.364060][   T10]      ipv6_find_idev+0x102/0x170
[ 2315.364060][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2315.364060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.364060][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.364060][   T10]      netlink_unicast+0x449/0x710
[ 2315.364060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.364060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.364060][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.364060][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.364060][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.364060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.364060][   T10] 
[ 2315.365798][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2315.365798][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2315.365798][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2315.365798][   T10]      ipv6_find_idev+0x102/0x170
[ 2315.365798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2315.365798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2315.365798][   T10]      netlink_rcv_skb+0x130/0x360
[ 2315.365798][   T10]      netlink_unicast+0x449/0x710
[ 2315.365798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2315.365798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2315.365798][   T10]      ___sys_sendmsg+0xee/0x170
[ 2315.365798][   T10]      __sys_sendmsg+0xcd/0x170
[ 2315.365798][   T10]      do_syscall_64+0xc6/0x1e0
[ 2315.365798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2315.365798][   T10] 
[ 2325.400751][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2325.401359][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.401359][   T10]      dst_init+0x84/0x4a0
[ 2325.401359][   T10]      dst_alloc+0x97/0x150
[ 2325.401359][   T10]      ip6_dst_alloc+0x23/0x90
[ 2325.401359][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2325.401359][   T10]      ip6_pol_route+0x56f/0x840
[ 2325.401359][   T10]      fib6_rule_lookup+0x456/0x630
[ 2325.401359][   T10]      ip6_route_input+0x59c/0xa50
[ 2325.401359][   T10]      ipv6_rcv+0x397/0x810
[ 2325.401359][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2325.401359][   T10]      process_backlog+0x101/0x620
[ 2325.401359][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2325.401359][   T10]      net_rx_action+0x495/0xbe0
[ 2325.401359][   T10]      __do_softirq+0x1b5/0x7f6
[ 2325.401359][   T10] 
[ 2325.402935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.402935][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2325.402935][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2325.402935][   T10]      fib6_nh_init+0xa22/0x1580
[ 2325.402935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.402935][   T10]      ip6_route_add+0x1c/0x140
[ 2325.402935][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2325.402935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.402935][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.402935][   T10]      netlink_unicast+0x449/0x710
[ 2325.402935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.402935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.402935][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.402935][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.402935][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.402935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.402935][   T10] 
[ 2325.404793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.404793][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.404793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.404793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.404793][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2325.404793][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2325.404793][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2325.404793][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2325.404793][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2325.404793][   T10]      addrconf_dad_begin+0x310/0x670
[ 2325.404793][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2325.404793][   T10]      process_one_work+0x84d/0x18a0
[ 2325.404793][   T10]      worker_thread+0x587/0xd30
[ 2325.404793][   T10]      kthread+0x28a/0x350
[ 2325.404793][   T10]      ret_from_fork+0x31/0x70
[ 2325.404793][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2325.404793][   T10] 
[ 2325.406728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.406728][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.406728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.406728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.406728][   T10]      ip6_route_add+0x1c/0x140
[ 2325.406728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2325.406728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2325.406728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.406728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.406728][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.406728][   T10]      netlink_unicast+0x449/0x710
[ 2325.406728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.406728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.406728][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.406728][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.406728][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.406728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.406728][   T10] 
[ 2325.408759][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.408759][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.408759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.408759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.408759][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2325.408759][   T10]      ipv6_add_addr+0x411/0x2000
[ 2325.408759][   T10]      inet6_addr_add+0x30e/0xa40
[ 2325.408759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.408759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.408759][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.408759][   T10]      netlink_unicast+0x449/0x710
[ 2325.408759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.408759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.408759][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.408759][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.408759][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.408759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.408759][   T10] 
[ 2325.410795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.410795][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.410795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.410795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.410795][   T10]      ip6_route_add+0x1c/0x140
[ 2325.410795][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2325.410795][   T10]      addrconf_add_dev+0xe2/0x170
[ 2325.410795][   T10]      inet6_addr_add+0x12f/0xa40
[ 2325.410795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.410795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.410795][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.410795][   T10]      netlink_unicast+0x449/0x710
[ 2325.410795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.410795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.410795][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.410795][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.410795][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.410795][   T10] 
[ 2325.412816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.412816][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2325.412816][   T10]      ipv6_find_idev+0x102/0x170
[ 2325.412816][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2325.412816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.412816][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.412816][   T10]      netlink_unicast+0x449/0x710
[ 2325.412816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.412816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.412816][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.412816][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.412816][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.412816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.412816][   T10] 
[ 2325.414380][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2325.414380][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2325.414380][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2325.414380][   T10]      ipv6_find_idev+0x102/0x170
[ 2325.414380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2325.414380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.414380][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.414380][   T10]      netlink_unicast+0x449/0x710
[ 2325.414380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.414380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.414380][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.414380][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.414380][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.414380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.414380][   T10] 
[ 2325.416168][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2325.416415][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.416415][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2325.416415][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2325.416415][   T10]      fib6_nh_init+0xa22/0x1580
[ 2325.416415][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.416415][   T10]      ip6_route_add+0x1c/0x140
[ 2325.416415][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2325.416415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.416415][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.416415][   T10]      netlink_unicast+0x449/0x710
[ 2325.416415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.416415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.416415][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.416415][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.416415][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.416415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.416415][   T10] 
[ 2325.418328][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.418328][   T10]      dst_init+0x84/0x4a0
[ 2325.418328][   T10]      dst_alloc+0x97/0x150
[ 2325.418328][   T10]      ip6_dst_alloc+0x23/0x90
[ 2325.418328][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2325.418328][   T10]      ip6_pol_route+0x56f/0x840
[ 2325.418328][   T10]      fib6_rule_lookup+0x456/0x630
[ 2325.418328][   T10]      ip6_route_input+0x59c/0xa50
[ 2325.418328][   T10]      ipv6_rcv+0x397/0x810
[ 2325.418328][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2325.418328][   T10]      process_backlog+0x101/0x620
[ 2325.418328][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2325.418328][   T10]      net_rx_action+0x495/0xbe0
[ 2325.418328][   T10]      __do_softirq+0x1b5/0x7f6
[ 2325.418328][   T10] 
[ 2325.420027][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.420027][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.420027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.420027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.420027][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2325.420027][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2325.420027][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2325.420027][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2325.420027][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2325.420027][   T10]      addrconf_dad_begin+0x310/0x670
[ 2325.420027][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2325.420027][   T10]      process_one_work+0x84d/0x18a0
[ 2325.420027][   T10]      worker_thread+0x587/0xd30
[ 2325.420027][   T10]      kthread+0x28a/0x350
[ 2325.420027][   T10]      ret_from_fork+0x31/0x70
[ 2325.420027][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2325.420027][   T10] 
[ 2325.421987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.421987][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.421987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.421987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.421987][   T10]      ip6_route_add+0x1c/0x140
[ 2325.421987][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2325.421987][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2325.421987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.421987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.421987][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.421987][   T10]      netlink_unicast+0x449/0x710
[ 2325.421987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.421987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.421987][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.421987][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.421987][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.421987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.421987][   T10] 
[ 2325.424041][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.424041][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.424041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.424041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.424041][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2325.424041][   T10]      ipv6_add_addr+0x411/0x2000
[ 2325.424041][   T10]      inet6_addr_add+0x30e/0xa40
[ 2325.424041][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.424041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.424041][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.424041][   T10]      netlink_unicast+0x449/0x710
[ 2325.424041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.424041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.424041][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.424041][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.424041][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.424041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.424041][   T10] 
[ 2325.426078][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.426078][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.426078][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.426078][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.426078][   T10]      ip6_route_add+0x1c/0x140
[ 2325.426078][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2325.426078][   T10]      addrconf_add_dev+0xe2/0x170
[ 2325.426078][   T10]      inet6_addr_add+0x12f/0xa40
[ 2325.426078][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.426078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.426078][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.426078][   T10]      netlink_unicast+0x449/0x710
[ 2325.426078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.426078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.426078][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.426078][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.426078][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.426078][   T10] 
[ 2325.428309][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.428309][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2325.428309][   T10]      ipv6_find_idev+0x102/0x170
[ 2325.428309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2325.428309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.428309][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.428309][   T10]      netlink_unicast+0x449/0x710
[ 2325.428309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.428309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.428309][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.428309][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.428309][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.428309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.428309][   T10] 
[ 2325.430108][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2325.430108][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2325.430108][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2325.430108][   T10]      ipv6_find_idev+0x102/0x170
[ 2325.430108][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2325.430108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.430108][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.430108][   T10]      netlink_unicast+0x449/0x710
[ 2325.430108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.430108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.430108][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.430108][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.430108][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.430108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.430108][   T10] 
[ 2325.432018][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2325.432260][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2325.432260][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.432260][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.432260][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.432260][   T10]      ip6_route_add+0x1c/0x140
[ 2325.432260][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2325.432260][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2325.432260][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.432260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.432260][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.432260][   T10]      netlink_unicast+0x449/0x710
[ 2325.432260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.432260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.432260][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.432260][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.432260][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.432260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.432260][   T10] 
[ 2325.434558][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2325.434558][   T10]      netdev_get_by_index+0x5e/0x80
[ 2325.434558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2325.434558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2325.434558][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2325.434558][   T10]      ipv6_add_addr+0x411/0x2000
[ 2325.434558][   T10]      inet6_addr_add+0x30e/0xa40
[ 2325.434558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2325.434558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.434558][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.434558][   T10]      netlink_unicast+0x449/0x710
[ 2325.434558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.434558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.434558][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.434558][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.434558][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.434558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.434558][   T10] 
[ 2325.436828][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2325.436828][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2325.436828][   T10]      ipv6_find_idev+0x102/0x170
[ 2325.436828][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2325.436828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.436828][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.436828][   T10]      netlink_unicast+0x449/0x710
[ 2325.436828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.436828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.436828][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.436828][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.436828][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.436828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.436828][   T10] 
[ 2325.438665][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2325.438665][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2325.438665][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2325.438665][   T10]      ipv6_find_idev+0x102/0x170
[ 2325.438665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2325.438665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2325.438665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2325.438665][   T10]      netlink_unicast+0x449/0x710
[ 2325.438665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2325.438665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2325.438665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2325.438665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2325.438665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2325.438665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2325.438665][   T10] 
[ 2335.608776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2335.609336][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.609336][   T10]      dst_init+0x84/0x4a0
[ 2335.609336][   T10]      dst_alloc+0x97/0x150
[ 2335.609336][   T10]      ip6_dst_alloc+0x23/0x90
[ 2335.609336][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2335.609336][   T10]      ip6_pol_route+0x56f/0x840
[ 2335.609336][   T10]      fib6_rule_lookup+0x456/0x630
[ 2335.609336][   T10]      ip6_route_input+0x59c/0xa50
[ 2335.609336][   T10]      ipv6_rcv+0x397/0x810
[ 2335.609336][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2335.609336][   T10]      process_backlog+0x101/0x620
[ 2335.609336][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2335.609336][   T10]      net_rx_action+0x495/0xbe0
[ 2335.609336][   T10]      __do_softirq+0x1b5/0x7f6
[ 2335.609336][   T10] 
[ 2335.611029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.611029][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2335.611029][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2335.611029][   T10]      fib6_nh_init+0xa22/0x1580
[ 2335.611029][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.611029][   T10]      ip6_route_add+0x1c/0x140
[ 2335.611029][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2335.611029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.611029][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.611029][   T10]      netlink_unicast+0x449/0x710
[ 2335.611029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.611029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.611029][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.611029][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.611029][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.611029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.611029][   T10] 
[ 2335.612910][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.612910][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.612910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.612910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.612910][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2335.612910][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2335.612910][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2335.612910][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2335.612910][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2335.612910][   T10]      addrconf_dad_begin+0x310/0x670
[ 2335.612910][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2335.612910][   T10]      process_one_work+0x84d/0x18a0
[ 2335.612910][   T10]      worker_thread+0x587/0xd30
[ 2335.612910][   T10]      kthread+0x28a/0x350
[ 2335.612910][   T10]      ret_from_fork+0x31/0x70
[ 2335.612910][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2335.612910][   T10] 
[ 2335.614866][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.614866][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.614866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.614866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.614866][   T10]      ip6_route_add+0x1c/0x140
[ 2335.614866][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2335.614866][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2335.614866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.614866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.614866][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.614866][   T10]      netlink_unicast+0x449/0x710
[ 2335.614866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.614866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.614866][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.614866][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.614866][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.614866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.614866][   T10] 
[ 2335.616835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.616835][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.616835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.616835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.616835][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2335.616835][   T10]      ipv6_add_addr+0x411/0x2000
[ 2335.616835][   T10]      inet6_addr_add+0x30e/0xa40
[ 2335.616835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.616835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.616835][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.616835][   T10]      netlink_unicast+0x449/0x710
[ 2335.616835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.616835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.616835][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.616835][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.616835][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.616835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.616835][   T10] 
[ 2335.618829][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.618829][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.618829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.618829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.618829][   T10]      ip6_route_add+0x1c/0x140
[ 2335.618829][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2335.618829][   T10]      addrconf_add_dev+0xe2/0x170
[ 2335.618829][   T10]      inet6_addr_add+0x12f/0xa40
[ 2335.618829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.618829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.618829][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.618829][   T10]      netlink_unicast+0x449/0x710
[ 2335.618829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.618829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.618829][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.618829][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.618829][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.618829][   T10] 
[ 2335.620733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.620733][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2335.620733][   T10]      ipv6_find_idev+0x102/0x170
[ 2335.620733][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2335.620733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.620733][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.620733][   T10]      netlink_unicast+0x449/0x710
[ 2335.620733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.620733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.620733][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.620733][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.620733][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.620733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.620733][   T10] 
[ 2335.622246][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2335.622246][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2335.622246][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2335.622246][   T10]      ipv6_find_idev+0x102/0x170
[ 2335.622246][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2335.622246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.622246][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.622246][   T10]      netlink_unicast+0x449/0x710
[ 2335.622246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.622246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.622246][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.622246][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.622246][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.622246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.622246][   T10] 
[ 2335.623898][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2335.624134][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.624134][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2335.624134][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2335.624134][   T10]      fib6_nh_init+0xa22/0x1580
[ 2335.624134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.624134][   T10]      ip6_route_add+0x1c/0x140
[ 2335.624134][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2335.624134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.624134][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.624134][   T10]      netlink_unicast+0x449/0x710
[ 2335.624134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.624134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.624134][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.624134][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.624134][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.624134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.624134][   T10] 
[ 2335.626060][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.626060][   T10]      dst_init+0x84/0x4a0
[ 2335.626060][   T10]      dst_alloc+0x97/0x150
[ 2335.626060][   T10]      ip6_dst_alloc+0x23/0x90
[ 2335.626060][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2335.626060][   T10]      ip6_pol_route+0x56f/0x840
[ 2335.626060][   T10]      fib6_rule_lookup+0x456/0x630
[ 2335.626060][   T10]      ip6_route_input+0x59c/0xa50
[ 2335.626060][   T10]      ipv6_rcv+0x397/0x810
[ 2335.626060][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2335.626060][   T10]      process_backlog+0x101/0x620
[ 2335.626060][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2335.626060][   T10]      net_rx_action+0x495/0xbe0
[ 2335.626060][   T10]      __do_softirq+0x1b5/0x7f6
[ 2335.626060][   T10] 
[ 2335.627599][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.627599][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.627599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.627599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.627599][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2335.627599][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2335.627599][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2335.627599][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2335.627599][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2335.627599][   T10]      addrconf_dad_begin+0x310/0x670
[ 2335.627599][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2335.627599][   T10]      process_one_work+0x84d/0x18a0
[ 2335.627599][   T10]      worker_thread+0x587/0xd30
[ 2335.627599][   T10]      kthread+0x28a/0x350
[ 2335.627599][   T10]      ret_from_fork+0x31/0x70
[ 2335.627599][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2335.627599][   T10] 
[ 2335.629457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.629457][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.629457][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.629457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.629457][   T10]      ip6_route_add+0x1c/0x140
[ 2335.629457][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2335.629457][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2335.629457][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.629457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.629457][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.629457][   T10]      netlink_unicast+0x449/0x710
[ 2335.629457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.629457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.629457][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.629457][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.629457][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.629457][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.629457][   T10] 
[ 2335.631495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.631495][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.631495][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.631495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.631495][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2335.631495][   T10]      ipv6_add_addr+0x411/0x2000
[ 2335.631495][   T10]      inet6_addr_add+0x30e/0xa40
[ 2335.631495][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.631495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.631495][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.631495][   T10]      netlink_unicast+0x449/0x710
[ 2335.631495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.631495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.631495][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.631495][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.631495][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.631495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.631495][   T10] 
[ 2335.633506][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.633506][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.633506][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.633506][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.633506][   T10]      ip6_route_add+0x1c/0x140
[ 2335.633506][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2335.633506][   T10]      addrconf_add_dev+0xe2/0x170
[ 2335.633506][   T10]      inet6_addr_add+0x12f/0xa40
[ 2335.633506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.633506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.633506][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.633506][   T10]      netlink_unicast+0x449/0x710
[ 2335.633506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.633506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.633506][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.633506][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.633506][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.633506][   T10] 
[ 2335.635706][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.635706][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2335.635706][   T10]      ipv6_find_idev+0x102/0x170
[ 2335.635706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2335.635706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.635706][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.635706][   T10]      netlink_unicast+0x449/0x710
[ 2335.635706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.635706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.635706][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.635706][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.635706][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.635706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.635706][   T10] 
[ 2335.637465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2335.637465][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2335.637465][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2335.637465][   T10]      ipv6_find_idev+0x102/0x170
[ 2335.637465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2335.637465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.637465][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.637465][   T10]      netlink_unicast+0x449/0x710
[ 2335.637465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.637465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.637465][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.637465][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.637465][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.637465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.637465][   T10] 
[ 2335.639432][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2335.639698][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2335.639698][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.639698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.639698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.639698][   T10]      ip6_route_add+0x1c/0x140
[ 2335.639698][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2335.639698][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2335.639698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.639698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.639698][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.639698][   T10]      netlink_unicast+0x449/0x710
[ 2335.639698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.639698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.639698][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.639698][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.639698][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.639698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.639698][   T10] 
[ 2335.642016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2335.642016][   T10]      netdev_get_by_index+0x5e/0x80
[ 2335.642016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2335.642016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2335.642016][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2335.642016][   T10]      ipv6_add_addr+0x411/0x2000
[ 2335.642016][   T10]      inet6_addr_add+0x30e/0xa40
[ 2335.642016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2335.642016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.642016][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.642016][   T10]      netlink_unicast+0x449/0x710
[ 2335.642016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.642016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.642016][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.642016][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.642016][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.642016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.642016][   T10] 
[ 2335.644280][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2335.644280][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2335.644280][   T10]      ipv6_find_idev+0x102/0x170
[ 2335.644280][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2335.644280][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.644280][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.644280][   T10]      netlink_unicast+0x449/0x710
[ 2335.644280][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.644280][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.644280][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.644280][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.644280][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.644280][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.644280][   T10] 
[ 2335.646038][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2335.646038][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2335.646038][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2335.646038][   T10]      ipv6_find_idev+0x102/0x170
[ 2335.646038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2335.646038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2335.646038][   T10]      netlink_rcv_skb+0x130/0x360
[ 2335.646038][   T10]      netlink_unicast+0x449/0x710
[ 2335.646038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2335.646038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2335.646038][   T10]      ___sys_sendmsg+0xee/0x170
[ 2335.646038][   T10]      __sys_sendmsg+0xcd/0x170
[ 2335.646038][   T10]      do_syscall_64+0xc6/0x1e0
[ 2335.646038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2335.646038][   T10] 
[ 2336.040720][   T42] INFO: task modprobe:7622 blocked for more than 860 seconds.
[ 2336.041032][   T42]       Not tainted 6.8.0-virtme #1
[ 2336.041146][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2336.041349][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 2336.041610][   T42] Call Trace:
[ 2336.041703][   T42]  <TASK>
[ 2336.041771][   T42]  __schedule+0x705/0x1ac0
[ 2336.041901][   T42]  ? __pfx___schedule+0x10/0x10
[ 2336.042022][   T42]  ? schedule+0x1a5/0x210
[ 2336.042116][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2336.042245][   T42]  ? mark_lock+0x38/0x3e0
[ 2336.042340][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2336.042463][   T42]  ? schedule+0x1a5/0x210
[ 2336.042559][   T42]  schedule+0xdf/0x210
[ 2336.042663][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2336.042783][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2336.042913][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2336.043065][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 2336.043187][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2336.043315][   T42]  ? lock_acquire+0x1c1/0x220
[ 2336.043436][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2336.043580][   T42]  down_write+0x1c9/0x200
[ 2336.043685][   T42]  ? __pfx_down_write+0x10/0x10
[ 2336.043812][   T42]  ? __pfx__printk+0x10/0x10
[ 2336.043938][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2336.044074][   T42]  register_pernet_subsys+0x1a/0x50
[ 2336.044195][   T42]  tcf_register_action+0xa3/0x600
[ 2336.044320][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 2336.044476][   T42]  do_one_initcall+0xc8/0x3f0
[ 2336.044617][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2336.044741][   T42]  ? __create_object+0x5e/0xb0
[ 2336.044867][   T42]  ? kasan_unpoison+0x27/0x60
[ 2336.045014][   T42]  do_init_module+0x233/0x740
[ 2336.045158][   T42]  load_module+0x16b5/0x2350
[ 2336.045288][   T42]  ? __pfx_load_module+0x10/0x10
[ 2336.045433][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2336.045562][   T42]  ? kernel_read_file+0x300/0x520
[ 2336.045696][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2336.045827][   T42]  ? init_module_from_file+0xd2/0x130
[ 2336.045959][   T42]  init_module_from_file+0xd2/0x130
[ 2336.046079][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2336.046231][   T42]  ? __lock_release+0x103/0x460
[ 2336.046351][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2336.046488][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2336.046619][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2336.046745][   T42]  idempotent_init_module+0x342/0x620
[ 2336.046868][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2336.047045][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2336.047168][   T42]  do_syscall_64+0xc6/0x1e0
[ 2336.047293][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2336.047448][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 2336.047572][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2336.047761][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 2336.047943][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 2336.048120][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 2336.048298][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 2336.048478][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 2336.048681][   T42]  </TASK>
[ 2336.048773][   T42] 
[ 2336.048773][   T42] Showing all locks held in the system:
[ 2336.048944][   T42] 3 locks held by kworker/u16:0/10:
[ 2336.049061][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2336.049309][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2336.049521][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2336.049742][   T42] 2 locks held by kworker/u20:0/39:
[ 2336.049856][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2336.050099][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2336.050367][   T42] 1 lock held by khungtaskd/42:
[ 2336.050482][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2336.050708][   T42] 1 lock held by modprobe/7622:
[ 2336.050826][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2336.051065][   T42] 
[ 2336.051126][   T42] =============================================
[ 2336.051126][   T42] 
[ 2345.752771][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2345.753266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.753266][   T10]      dst_init+0x84/0x4a0
[ 2345.753266][   T10]      dst_alloc+0x97/0x150
[ 2345.753266][   T10]      ip6_dst_alloc+0x23/0x90
[ 2345.753266][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2345.753266][   T10]      ip6_pol_route+0x56f/0x840
[ 2345.753266][   T10]      fib6_rule_lookup+0x456/0x630
[ 2345.753266][   T10]      ip6_route_input+0x59c/0xa50
[ 2345.753266][   T10]      ipv6_rcv+0x397/0x810
[ 2345.753266][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2345.753266][   T10]      process_backlog+0x101/0x620
[ 2345.753266][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2345.753266][   T10]      net_rx_action+0x495/0xbe0
[ 2345.753266][   T10]      __do_softirq+0x1b5/0x7f6
[ 2345.753266][   T10] 
[ 2345.754998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.754998][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2345.754998][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2345.754998][   T10]      fib6_nh_init+0xa22/0x1580
[ 2345.754998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.754998][   T10]      ip6_route_add+0x1c/0x140
[ 2345.754998][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2345.754998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.754998][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.754998][   T10]      netlink_unicast+0x449/0x710
[ 2345.754998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.754998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.754998][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.754998][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.754998][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.754998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.754998][   T10] 
[ 2345.756858][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.756858][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.756858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.756858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.756858][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2345.756858][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2345.756858][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2345.756858][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2345.756858][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2345.756858][   T10]      addrconf_dad_begin+0x310/0x670
[ 2345.756858][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2345.756858][   T10]      process_one_work+0x84d/0x18a0
[ 2345.756858][   T10]      worker_thread+0x587/0xd30
[ 2345.756858][   T10]      kthread+0x28a/0x350
[ 2345.756858][   T10]      ret_from_fork+0x31/0x70
[ 2345.756858][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2345.756858][   T10] 
[ 2345.758762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.758762][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.758762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.758762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.758762][   T10]      ip6_route_add+0x1c/0x140
[ 2345.758762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2345.758762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2345.758762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.758762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.758762][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.758762][   T10]      netlink_unicast+0x449/0x710
[ 2345.758762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.758762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.758762][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.758762][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.758762][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.758762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.758762][   T10] 
[ 2345.760710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.760710][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.760710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.760710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.760710][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2345.760710][   T10]      ipv6_add_addr+0x411/0x2000
[ 2345.760710][   T10]      inet6_addr_add+0x30e/0xa40
[ 2345.760710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.760710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.760710][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.760710][   T10]      netlink_unicast+0x449/0x710
[ 2345.760710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.760710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.760710][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.760710][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.760710][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.760710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.760710][   T10] 
[ 2345.762712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.762712][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.762712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.762712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.762712][   T10]      ip6_route_add+0x1c/0x140
[ 2345.762712][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2345.762712][   T10]      addrconf_add_dev+0xe2/0x170
[ 2345.762712][   T10]      inet6_addr_add+0x12f/0xa40
[ 2345.762712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.762712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.762712][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.762712][   T10]      netlink_unicast+0x449/0x710
[ 2345.762712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.762712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.762712][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.762712][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.762712][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.762712][   T10] 
[ 2345.764703][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.764703][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2345.764703][   T10]      ipv6_find_idev+0x102/0x170
[ 2345.764703][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2345.764703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.764703][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.764703][   T10]      netlink_unicast+0x449/0x710
[ 2345.764703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.764703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.764703][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.764703][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.764703][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.764703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.764703][   T10] 
[ 2345.766208][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2345.766208][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2345.766208][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2345.766208][   T10]      ipv6_find_idev+0x102/0x170
[ 2345.766208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2345.766208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.766208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.766208][   T10]      netlink_unicast+0x449/0x710
[ 2345.766208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.766208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.766208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.766208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.766208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.766208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.766208][   T10] 
[ 2345.767868][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2345.768127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.768127][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2345.768127][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2345.768127][   T10]      fib6_nh_init+0xa22/0x1580
[ 2345.768127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.768127][   T10]      ip6_route_add+0x1c/0x140
[ 2345.768127][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2345.768127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.768127][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.768127][   T10]      netlink_unicast+0x449/0x710
[ 2345.768127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.768127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.768127][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.768127][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.768127][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.768127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.768127][   T10] 
[ 2345.770008][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.770008][   T10]      dst_init+0x84/0x4a0
[ 2345.770008][   T10]      dst_alloc+0x97/0x150
[ 2345.770008][   T10]      ip6_dst_alloc+0x23/0x90
[ 2345.770008][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2345.770008][   T10]      ip6_pol_route+0x56f/0x840
[ 2345.770008][   T10]      fib6_rule_lookup+0x456/0x630
[ 2345.770008][   T10]      ip6_route_input+0x59c/0xa50
[ 2345.770008][   T10]      ipv6_rcv+0x397/0x810
[ 2345.770008][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2345.770008][   T10]      process_backlog+0x101/0x620
[ 2345.770008][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2345.770008][   T10]      net_rx_action+0x495/0xbe0
[ 2345.770008][   T10]      __do_softirq+0x1b5/0x7f6
[ 2345.770008][   T10] 
[ 2345.771640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.771640][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.771640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.771640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.771640][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2345.771640][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2345.771640][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2345.771640][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2345.771640][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2345.771640][   T10]      addrconf_dad_begin+0x310/0x670
[ 2345.771640][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2345.771640][   T10]      process_one_work+0x84d/0x18a0
[ 2345.771640][   T10]      worker_thread+0x587/0xd30
[ 2345.771640][   T10]      kthread+0x28a/0x350
[ 2345.771640][   T10]      ret_from_fork+0x31/0x70
[ 2345.771640][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2345.771640][   T10] 
[ 2345.773513][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.773513][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.773513][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.773513][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.773513][   T10]      ip6_route_add+0x1c/0x140
[ 2345.773513][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2345.773513][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2345.773513][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.773513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.773513][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.773513][   T10]      netlink_unicast+0x449/0x710
[ 2345.773513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.773513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.773513][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.773513][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.773513][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.773513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.773513][   T10] 
[ 2345.775512][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.775512][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.775512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.775512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.775512][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2345.775512][   T10]      ipv6_add_addr+0x411/0x2000
[ 2345.775512][   T10]      inet6_addr_add+0x30e/0xa40
[ 2345.775512][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.775512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.775512][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.775512][   T10]      netlink_unicast+0x449/0x710
[ 2345.775512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.775512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.775512][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.775512][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.775512][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.775512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.775512][   T10] 
[ 2345.777537][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.777537][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.777537][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.777537][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.777537][   T10]      ip6_route_add+0x1c/0x140
[ 2345.777537][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2345.777537][   T10]      addrconf_add_dev+0xe2/0x170
[ 2345.777537][   T10]      inet6_addr_add+0x12f/0xa40
[ 2345.777537][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.777537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.777537][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.777537][   T10]      netlink_unicast+0x449/0x710
[ 2345.777537][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.777537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.777537][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.777537][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.777537][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.777537][   T10] 
[ 2345.779684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.779684][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2345.779684][   T10]      ipv6_find_idev+0x102/0x170
[ 2345.779684][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2345.779684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.779684][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.779684][   T10]      netlink_unicast+0x449/0x710
[ 2345.779684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.779684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.779684][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.779684][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.779684][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.779684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.779684][   T10] 
[ 2345.781465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2345.781465][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2345.781465][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2345.781465][   T10]      ipv6_find_idev+0x102/0x170
[ 2345.781465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2345.781465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.781465][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.781465][   T10]      netlink_unicast+0x449/0x710
[ 2345.781465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.781465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.781465][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.781465][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.781465][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.781465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.781465][   T10] 
[ 2345.783318][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2345.783616][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2345.783616][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.783616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.783616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.783616][   T10]      ip6_route_add+0x1c/0x140
[ 2345.783616][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2345.783616][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2345.783616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.783616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.783616][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.783616][   T10]      netlink_unicast+0x449/0x710
[ 2345.783616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.783616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.783616][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.783616][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.783616][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.783616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.783616][   T10] 
[ 2345.785795][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2345.785795][   T10]      netdev_get_by_index+0x5e/0x80
[ 2345.785795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2345.785795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2345.785795][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2345.785795][   T10]      ipv6_add_addr+0x411/0x2000
[ 2345.785795][   T10]      inet6_addr_add+0x30e/0xa40
[ 2345.785795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2345.785795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.785795][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.785795][   T10]      netlink_unicast+0x449/0x710
[ 2345.785795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.785795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.785795][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.785795][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.785795][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.785795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.785795][   T10] 
[ 2345.788044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2345.788044][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2345.788044][   T10]      ipv6_find_idev+0x102/0x170
[ 2345.788044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2345.788044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.788044][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.788044][   T10]      netlink_unicast+0x449/0x710
[ 2345.788044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.788044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.788044][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.788044][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.788044][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.788044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.788044][   T10] 
[ 2345.789787][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2345.789787][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2345.789787][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2345.789787][   T10]      ipv6_find_idev+0x102/0x170
[ 2345.789787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2345.789787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2345.789787][   T10]      netlink_rcv_skb+0x130/0x360
[ 2345.789787][   T10]      netlink_unicast+0x449/0x710
[ 2345.789787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2345.789787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2345.789787][   T10]      ___sys_sendmsg+0xee/0x170
[ 2345.789787][   T10]      __sys_sendmsg+0xcd/0x170
[ 2345.789787][   T10]      do_syscall_64+0xc6/0x1e0
[ 2345.789787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2345.789787][   T10] 
[ 2356.032761][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2356.033712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.033712][   T10]      dst_init+0x84/0x4a0
[ 2356.033712][   T10]      dst_alloc+0x97/0x150
[ 2356.033712][   T10]      ip6_dst_alloc+0x23/0x90
[ 2356.033712][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2356.033712][   T10]      ip6_pol_route+0x56f/0x840
[ 2356.033712][   T10]      fib6_rule_lookup+0x456/0x630
[ 2356.033712][   T10]      ip6_route_input+0x59c/0xa50
[ 2356.033712][   T10]      ipv6_rcv+0x397/0x810
[ 2356.033712][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2356.033712][   T10]      process_backlog+0x101/0x620
[ 2356.033712][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2356.033712][   T10]      net_rx_action+0x495/0xbe0
[ 2356.033712][   T10]      __do_softirq+0x1b5/0x7f6
[ 2356.033712][   T10] 
[ 2356.035503][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.035503][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2356.035503][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2356.035503][   T10]      fib6_nh_init+0xa22/0x1580
[ 2356.035503][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.035503][   T10]      ip6_route_add+0x1c/0x140
[ 2356.035503][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2356.035503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.035503][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.035503][   T10]      netlink_unicast+0x449/0x710
[ 2356.035503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.035503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.035503][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.035503][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.035503][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.035503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.035503][   T10] 
[ 2356.037381][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.037381][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.037381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.037381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.037381][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2356.037381][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2356.037381][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2356.037381][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2356.037381][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2356.037381][   T10]      addrconf_dad_begin+0x310/0x670
[ 2356.037381][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2356.037381][   T10]      process_one_work+0x84d/0x18a0
[ 2356.037381][   T10]      worker_thread+0x587/0xd30
[ 2356.037381][   T10]      kthread+0x28a/0x350
[ 2356.037381][   T10]      ret_from_fork+0x31/0x70
[ 2356.037381][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2356.037381][   T10] 
[ 2356.039304][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.039304][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.039304][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.039304][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.039304][   T10]      ip6_route_add+0x1c/0x140
[ 2356.039304][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2356.039304][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2356.039304][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.039304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.039304][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.039304][   T10]      netlink_unicast+0x449/0x710
[ 2356.039304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.039304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.039304][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.039304][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.039304][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.039304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.039304][   T10] 
[ 2356.041292][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.041292][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.041292][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.041292][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.041292][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2356.041292][   T10]      ipv6_add_addr+0x411/0x2000
[ 2356.041292][   T10]      inet6_addr_add+0x30e/0xa40
[ 2356.041292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.041292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.041292][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.041292][   T10]      netlink_unicast+0x449/0x710
[ 2356.041292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.041292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.041292][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.041292][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.041292][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.041292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.041292][   T10] 
[ 2356.043243][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.043243][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.043243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.043243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.043243][   T10]      ip6_route_add+0x1c/0x140
[ 2356.043243][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2356.043243][   T10]      addrconf_add_dev+0xe2/0x170
[ 2356.043243][   T10]      inet6_addr_add+0x12f/0xa40
[ 2356.043243][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.043243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.043243][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.043243][   T10]      netlink_unicast+0x449/0x710
[ 2356.043243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.043243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.043243][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.043243][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.043243][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.043243][   T10] 
[ 2356.045613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.045613][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2356.045613][   T10]      ipv6_find_idev+0x102/0x170
[ 2356.045613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2356.045613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.045613][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.045613][   T10]      netlink_unicast+0x449/0x710
[ 2356.045613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.045613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.045613][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.045613][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.045613][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.045613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.045613][   T10] 
[ 2356.047167][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2356.047167][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2356.047167][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2356.047167][   T10]      ipv6_find_idev+0x102/0x170
[ 2356.047167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2356.047167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.047167][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.047167][   T10]      netlink_unicast+0x449/0x710
[ 2356.047167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.047167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.047167][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.047167][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.047167][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.047167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.047167][   T10] 
[ 2356.048877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2356.049121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.049121][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2356.049121][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2356.049121][   T10]      fib6_nh_init+0xa22/0x1580
[ 2356.049121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.049121][   T10]      ip6_route_add+0x1c/0x140
[ 2356.049121][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2356.049121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.049121][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.049121][   T10]      netlink_unicast+0x449/0x710
[ 2356.049121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.049121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.049121][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.049121][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.049121][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.049121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.049121][   T10] 
[ 2356.051006][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.051006][   T10]      dst_init+0x84/0x4a0
[ 2356.051006][   T10]      dst_alloc+0x97/0x150
[ 2356.051006][   T10]      ip6_dst_alloc+0x23/0x90
[ 2356.051006][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2356.051006][   T10]      ip6_pol_route+0x56f/0x840
[ 2356.051006][   T10]      fib6_rule_lookup+0x456/0x630
[ 2356.051006][   T10]      ip6_route_input+0x59c/0xa50
[ 2356.051006][   T10]      ipv6_rcv+0x397/0x810
[ 2356.051006][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2356.051006][   T10]      process_backlog+0x101/0x620
[ 2356.051006][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2356.051006][   T10]      net_rx_action+0x495/0xbe0
[ 2356.051006][   T10]      __do_softirq+0x1b5/0x7f6
[ 2356.051006][   T10] 
[ 2356.052646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.052646][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.052646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.052646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.052646][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2356.052646][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2356.052646][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2356.052646][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2356.052646][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2356.052646][   T10]      addrconf_dad_begin+0x310/0x670
[ 2356.052646][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2356.052646][   T10]      process_one_work+0x84d/0x18a0
[ 2356.052646][   T10]      worker_thread+0x587/0xd30
[ 2356.052646][   T10]      kthread+0x28a/0x350
[ 2356.052646][   T10]      ret_from_fork+0x31/0x70
[ 2356.052646][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2356.052646][   T10] 
[ 2356.054584][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.054584][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.054584][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.054584][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.054584][   T10]      ip6_route_add+0x1c/0x140
[ 2356.054584][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2356.054584][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2356.054584][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.054584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.054584][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.054584][   T10]      netlink_unicast+0x449/0x710
[ 2356.054584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.054584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.054584][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.054584][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.054584][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.054584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.054584][   T10] 
[ 2356.056611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.056611][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.056611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.056611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.056611][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2356.056611][   T10]      ipv6_add_addr+0x411/0x2000
[ 2356.056611][   T10]      inet6_addr_add+0x30e/0xa40
[ 2356.056611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.056611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.056611][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.056611][   T10]      netlink_unicast+0x449/0x710
[ 2356.056611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.056611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.056611][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.056611][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.056611][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.056611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.056611][   T10] 
[ 2356.058606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.058606][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.058606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.058606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.058606][   T10]      ip6_route_add+0x1c/0x140
[ 2356.058606][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2356.058606][   T10]      addrconf_add_dev+0xe2/0x170
[ 2356.058606][   T10]      inet6_addr_add+0x12f/0xa40
[ 2356.058606][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.058606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.058606][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.058606][   T10]      netlink_unicast+0x449/0x710
[ 2356.058606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.058606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.058606][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.058606][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.058606][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.058606][   T10] 
[ 2356.060750][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.060750][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2356.060750][   T10]      ipv6_find_idev+0x102/0x170
[ 2356.060750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2356.060750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.060750][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.060750][   T10]      netlink_unicast+0x449/0x710
[ 2356.060750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.060750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.060750][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.060750][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.060750][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.060750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.060750][   T10] 
[ 2356.062466][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2356.062466][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2356.062466][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2356.062466][   T10]      ipv6_find_idev+0x102/0x170
[ 2356.062466][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2356.062466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.062466][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.062466][   T10]      netlink_unicast+0x449/0x710
[ 2356.062466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.062466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.062466][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.062466][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.062466][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.062466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.062466][   T10] 
[ 2356.064392][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2356.064715][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2356.064715][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.064715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.064715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.064715][   T10]      ip6_route_add+0x1c/0x140
[ 2356.064715][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2356.064715][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2356.064715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.064715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.064715][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.064715][   T10]      netlink_unicast+0x449/0x710
[ 2356.064715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.064715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.064715][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.064715][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.064715][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.064715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.064715][   T10] 
[ 2356.066827][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2356.066827][   T10]      netdev_get_by_index+0x5e/0x80
[ 2356.066827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2356.066827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2356.066827][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2356.066827][   T10]      ipv6_add_addr+0x411/0x2000
[ 2356.066827][   T10]      inet6_addr_add+0x30e/0xa40
[ 2356.066827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2356.066827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.066827][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.066827][   T10]      netlink_unicast+0x449/0x710
[ 2356.066827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.066827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.066827][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.066827][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.066827][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.066827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.066827][   T10] 
[ 2356.069058][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2356.069058][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2356.069058][   T10]      ipv6_find_idev+0x102/0x170
[ 2356.069058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2356.069058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.069058][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.069058][   T10]      netlink_unicast+0x449/0x710
[ 2356.069058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.069058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.069058][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.069058][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.069058][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.069058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.069058][   T10] 
[ 2356.070720][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2356.070720][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2356.070720][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2356.070720][   T10]      ipv6_find_idev+0x102/0x170
[ 2356.070720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2356.070720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2356.070720][   T10]      netlink_rcv_skb+0x130/0x360
[ 2356.070720][   T10]      netlink_unicast+0x449/0x710
[ 2356.070720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2356.070720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2356.070720][   T10]      ___sys_sendmsg+0xee/0x170
[ 2356.070720][   T10]      __sys_sendmsg+0xcd/0x170
[ 2356.070720][   T10]      do_syscall_64+0xc6/0x1e0
[ 2356.070720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2356.070720][   T10] 
[ 2366.312828][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2366.313346][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.313346][   T10]      dst_init+0x84/0x4a0
[ 2366.313346][   T10]      dst_alloc+0x97/0x150
[ 2366.313346][   T10]      ip6_dst_alloc+0x23/0x90
[ 2366.313346][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2366.313346][   T10]      ip6_pol_route+0x56f/0x840
[ 2366.313346][   T10]      fib6_rule_lookup+0x456/0x630
[ 2366.313346][   T10]      ip6_route_input+0x59c/0xa50
[ 2366.313346][   T10]      ipv6_rcv+0x397/0x810
[ 2366.313346][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2366.313346][   T10]      process_backlog+0x101/0x620
[ 2366.313346][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2366.313346][   T10]      net_rx_action+0x495/0xbe0
[ 2366.313346][   T10]      __do_softirq+0x1b5/0x7f6
[ 2366.313346][   T10] 
[ 2366.314995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.314995][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2366.314995][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2366.314995][   T10]      fib6_nh_init+0xa22/0x1580
[ 2366.314995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.314995][   T10]      ip6_route_add+0x1c/0x140
[ 2366.314995][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2366.314995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.314995][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.314995][   T10]      netlink_unicast+0x449/0x710
[ 2366.314995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.314995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.314995][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.314995][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.314995][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.314995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.314995][   T10] 
[ 2366.317717][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.317717][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.317717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.317717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.317717][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2366.317717][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2366.317717][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2366.317717][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2366.317717][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2366.317717][   T10]      addrconf_dad_begin+0x310/0x670
[ 2366.317717][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2366.317717][   T10]      process_one_work+0x84d/0x18a0
[ 2366.317717][   T10]      worker_thread+0x587/0xd30
[ 2366.317717][   T10]      kthread+0x28a/0x350
[ 2366.317717][   T10]      ret_from_fork+0x31/0x70
[ 2366.317717][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2366.317717][   T10] 
[ 2366.319583][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.319583][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.319583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.319583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.319583][   T10]      ip6_route_add+0x1c/0x140
[ 2366.319583][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2366.319583][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2366.319583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.319583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.319583][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.319583][   T10]      netlink_unicast+0x449/0x710
[ 2366.319583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.319583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.319583][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.319583][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.319583][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.319583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.319583][   T10] 
[ 2366.321666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.321666][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.321666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.321666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.321666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2366.321666][   T10]      ipv6_add_addr+0x411/0x2000
[ 2366.321666][   T10]      inet6_addr_add+0x30e/0xa40
[ 2366.321666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.321666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.321666][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.321666][   T10]      netlink_unicast+0x449/0x710
[ 2366.321666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.321666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.321666][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.321666][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.321666][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.321666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.321666][   T10] 
[ 2366.323637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.323637][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.323637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.323637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.323637][   T10]      ip6_route_add+0x1c/0x140
[ 2366.323637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2366.323637][   T10]      addrconf_add_dev+0xe2/0x170
[ 2366.323637][   T10]      inet6_addr_add+0x12f/0xa40
[ 2366.323637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.323637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.323637][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.323637][   T10]      netlink_unicast+0x449/0x710
[ 2366.323637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.323637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.323637][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.323637][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.323637][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.323637][   T10] 
[ 2366.326015][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.326015][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2366.326015][   T10]      ipv6_find_idev+0x102/0x170
[ 2366.326015][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2366.326015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.326015][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.326015][   T10]      netlink_unicast+0x449/0x710
[ 2366.326015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.326015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.326015][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.326015][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.326015][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.326015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.326015][   T10] 
[ 2366.327594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2366.327594][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2366.327594][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2366.327594][   T10]      ipv6_find_idev+0x102/0x170
[ 2366.327594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2366.327594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.327594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.327594][   T10]      netlink_unicast+0x449/0x710
[ 2366.327594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.327594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.327594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.327594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.327594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.327594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.327594][   T10] 
[ 2366.329335][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2366.329581][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.329581][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2366.329581][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2366.329581][   T10]      fib6_nh_init+0xa22/0x1580
[ 2366.329581][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.329581][   T10]      ip6_route_add+0x1c/0x140
[ 2366.329581][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2366.329581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.329581][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.329581][   T10]      netlink_unicast+0x449/0x710
[ 2366.329581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.329581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.329581][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.329581][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.329581][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.329581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.329581][   T10] 
[ 2366.331493][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.331493][   T10]      dst_init+0x84/0x4a0
[ 2366.331493][   T10]      dst_alloc+0x97/0x150
[ 2366.331493][   T10]      ip6_dst_alloc+0x23/0x90
[ 2366.331493][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2366.331493][   T10]      ip6_pol_route+0x56f/0x840
[ 2366.331493][   T10]      fib6_rule_lookup+0x456/0x630
[ 2366.331493][   T10]      ip6_route_input+0x59c/0xa50
[ 2366.331493][   T10]      ipv6_rcv+0x397/0x810
[ 2366.331493][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2366.331493][   T10]      process_backlog+0x101/0x620
[ 2366.331493][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2366.331493][   T10]      net_rx_action+0x495/0xbe0
[ 2366.331493][   T10]      __do_softirq+0x1b5/0x7f6
[ 2366.331493][   T10] 
[ 2366.333156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.333156][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.333156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.333156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.333156][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2366.333156][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2366.333156][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2366.333156][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2366.333156][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2366.333156][   T10]      addrconf_dad_begin+0x310/0x670
[ 2366.333156][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2366.333156][   T10]      process_one_work+0x84d/0x18a0
[ 2366.333156][   T10]      worker_thread+0x587/0xd30
[ 2366.333156][   T10]      kthread+0x28a/0x350
[ 2366.333156][   T10]      ret_from_fork+0x31/0x70
[ 2366.333156][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2366.333156][   T10] 
[ 2366.335105][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.335105][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.335105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.335105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.335105][   T10]      ip6_route_add+0x1c/0x140
[ 2366.335105][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2366.335105][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2366.335105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.335105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.335105][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.335105][   T10]      netlink_unicast+0x449/0x710
[ 2366.335105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.335105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.335105][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.335105][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.335105][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.335105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.335105][   T10] 
[ 2366.337156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.337156][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.337156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.337156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.337156][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2366.337156][   T10]      ipv6_add_addr+0x411/0x2000
[ 2366.337156][   T10]      inet6_addr_add+0x30e/0xa40
[ 2366.337156][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.337156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.337156][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.337156][   T10]      netlink_unicast+0x449/0x710
[ 2366.337156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.337156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.337156][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.337156][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.337156][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.337156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.337156][   T10] 
[ 2366.339151][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.339151][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.339151][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.339151][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.339151][   T10]      ip6_route_add+0x1c/0x140
[ 2366.339151][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2366.339151][   T10]      addrconf_add_dev+0xe2/0x170
[ 2366.339151][   T10]      inet6_addr_add+0x12f/0xa40
[ 2366.339151][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.339151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.339151][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.339151][   T10]      netlink_unicast+0x449/0x710
[ 2366.339151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.339151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.339151][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.339151][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.339151][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.339151][   T10] 
[ 2366.341338][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.341338][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2366.341338][   T10]      ipv6_find_idev+0x102/0x170
[ 2366.341338][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2366.341338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.341338][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.341338][   T10]      netlink_unicast+0x449/0x710
[ 2366.341338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.341338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.341338][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.341338][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.341338][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.341338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.341338][   T10] 
[ 2366.343138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2366.343138][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2366.343138][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2366.343138][   T10]      ipv6_find_idev+0x102/0x170
[ 2366.343138][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2366.343138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.343138][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.343138][   T10]      netlink_unicast+0x449/0x710
[ 2366.343138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.343138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.343138][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.343138][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.343138][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.343138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.343138][   T10] 
[ 2366.345060][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2366.345300][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2366.345300][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.345300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.345300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.345300][   T10]      ip6_route_add+0x1c/0x140
[ 2366.345300][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2366.345300][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2366.345300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.345300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.345300][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.345300][   T10]      netlink_unicast+0x449/0x710
[ 2366.345300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.345300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.345300][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.345300][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.345300][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.345300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.345300][   T10] 
[ 2366.347556][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2366.347556][   T10]      netdev_get_by_index+0x5e/0x80
[ 2366.347556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2366.347556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2366.347556][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2366.347556][   T10]      ipv6_add_addr+0x411/0x2000
[ 2366.347556][   T10]      inet6_addr_add+0x30e/0xa40
[ 2366.347556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2366.347556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.347556][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.347556][   T10]      netlink_unicast+0x449/0x710
[ 2366.347556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.347556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.347556][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.347556][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.347556][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.347556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.347556][   T10] 
[ 2366.349757][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2366.349757][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2366.349757][   T10]      ipv6_find_idev+0x102/0x170
[ 2366.349757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2366.349757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.349757][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.349757][   T10]      netlink_unicast+0x449/0x710
[ 2366.349757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.349757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.349757][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.349757][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.349757][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.349757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.349757][   T10] 
[ 2366.351545][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2366.351545][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2366.351545][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2366.351545][   T10]      ipv6_find_idev+0x102/0x170
[ 2366.351545][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2366.351545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2366.351545][   T10]      netlink_rcv_skb+0x130/0x360
[ 2366.351545][   T10]      netlink_unicast+0x449/0x710
[ 2366.351545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2366.351545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2366.351545][   T10]      ___sys_sendmsg+0xee/0x170
[ 2366.351545][   T10]      __sys_sendmsg+0xcd/0x170
[ 2366.351545][   T10]      do_syscall_64+0xc6/0x1e0
[ 2366.351545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2366.351545][   T10] 
[ 2376.592791][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2376.593311][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.593311][   T10]      dst_init+0x84/0x4a0
[ 2376.593311][   T10]      dst_alloc+0x97/0x150
[ 2376.593311][   T10]      ip6_dst_alloc+0x23/0x90
[ 2376.593311][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2376.593311][   T10]      ip6_pol_route+0x56f/0x840
[ 2376.593311][   T10]      fib6_rule_lookup+0x456/0x630
[ 2376.593311][   T10]      ip6_route_input+0x59c/0xa50
[ 2376.593311][   T10]      ipv6_rcv+0x397/0x810
[ 2376.593311][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2376.593311][   T10]      process_backlog+0x101/0x620
[ 2376.593311][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2376.593311][   T10]      net_rx_action+0x495/0xbe0
[ 2376.593311][   T10]      __do_softirq+0x1b5/0x7f6
[ 2376.593311][   T10] 
[ 2376.594942][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.594942][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2376.594942][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2376.594942][   T10]      fib6_nh_init+0xa22/0x1580
[ 2376.594942][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.594942][   T10]      ip6_route_add+0x1c/0x140
[ 2376.594942][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2376.594942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.594942][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.594942][   T10]      netlink_unicast+0x449/0x710
[ 2376.594942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.594942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.594942][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.594942][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.594942][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.594942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.594942][   T10] 
[ 2376.596760][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.596760][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.596760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.596760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.596760][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2376.596760][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2376.596760][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2376.596760][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2376.596760][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2376.596760][   T10]      addrconf_dad_begin+0x310/0x670
[ 2376.596760][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2376.596760][   T10]      process_one_work+0x84d/0x18a0
[ 2376.596760][   T10]      worker_thread+0x587/0xd30
[ 2376.596760][   T10]      kthread+0x28a/0x350
[ 2376.596760][   T10]      ret_from_fork+0x31/0x70
[ 2376.596760][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2376.596760][   T10] 
[ 2376.598628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.598628][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.598628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.598628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.598628][   T10]      ip6_route_add+0x1c/0x140
[ 2376.598628][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2376.598628][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2376.598628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.598628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.598628][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.598628][   T10]      netlink_unicast+0x449/0x710
[ 2376.598628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.598628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.598628][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.598628][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.598628][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.598628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.598628][   T10] 
[ 2376.600618][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.600618][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.600618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.600618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.600618][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2376.600618][   T10]      ipv6_add_addr+0x411/0x2000
[ 2376.600618][   T10]      inet6_addr_add+0x30e/0xa40
[ 2376.600618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.600618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.600618][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.600618][   T10]      netlink_unicast+0x449/0x710
[ 2376.600618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.600618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.600618][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.600618][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.600618][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.600618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.600618][   T10] 
[ 2376.602650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.602650][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.602650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.602650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.602650][   T10]      ip6_route_add+0x1c/0x140
[ 2376.602650][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2376.602650][   T10]      addrconf_add_dev+0xe2/0x170
[ 2376.602650][   T10]      inet6_addr_add+0x12f/0xa40
[ 2376.602650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.602650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.602650][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.602650][   T10]      netlink_unicast+0x449/0x710
[ 2376.602650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.602650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.602650][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.602650][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.602650][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.602650][   T10] 
[ 2376.604665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.604665][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2376.604665][   T10]      ipv6_find_idev+0x102/0x170
[ 2376.604665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2376.604665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.604665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.604665][   T10]      netlink_unicast+0x449/0x710
[ 2376.604665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.604665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.604665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.604665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.604665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.604665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.604665][   T10] 
[ 2376.606203][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2376.606203][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2376.606203][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2376.606203][   T10]      ipv6_find_idev+0x102/0x170
[ 2376.606203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2376.606203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.606203][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.606203][   T10]      netlink_unicast+0x449/0x710
[ 2376.606203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.606203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.606203][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.606203][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.606203][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.606203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.606203][   T10] 
[ 2376.607978][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2376.608220][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.608220][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2376.608220][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2376.608220][   T10]      fib6_nh_init+0xa22/0x1580
[ 2376.608220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.608220][   T10]      ip6_route_add+0x1c/0x140
[ 2376.608220][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2376.608220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.608220][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.608220][   T10]      netlink_unicast+0x449/0x710
[ 2376.608220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.608220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.608220][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.608220][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.608220][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.608220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.608220][   T10] 
[ 2376.610069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.610069][   T10]      dst_init+0x84/0x4a0
[ 2376.610069][   T10]      dst_alloc+0x97/0x150
[ 2376.610069][   T10]      ip6_dst_alloc+0x23/0x90
[ 2376.610069][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2376.610069][   T10]      ip6_pol_route+0x56f/0x840
[ 2376.610069][   T10]      fib6_rule_lookup+0x456/0x630
[ 2376.610069][   T10]      ip6_route_input+0x59c/0xa50
[ 2376.610069][   T10]      ipv6_rcv+0x397/0x810
[ 2376.610069][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2376.610069][   T10]      process_backlog+0x101/0x620
[ 2376.610069][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2376.610069][   T10]      net_rx_action+0x495/0xbe0
[ 2376.610069][   T10]      __do_softirq+0x1b5/0x7f6
[ 2376.610069][   T10] 
[ 2376.611753][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.611753][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.611753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.611753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.611753][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2376.611753][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2376.611753][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2376.611753][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2376.611753][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2376.611753][   T10]      addrconf_dad_begin+0x310/0x670
[ 2376.611753][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2376.611753][   T10]      process_one_work+0x84d/0x18a0
[ 2376.611753][   T10]      worker_thread+0x587/0xd30
[ 2376.611753][   T10]      kthread+0x28a/0x350
[ 2376.611753][   T10]      ret_from_fork+0x31/0x70
[ 2376.611753][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2376.611753][   T10] 
[ 2376.613568][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.613568][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.613568][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.613568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.613568][   T10]      ip6_route_add+0x1c/0x140
[ 2376.613568][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2376.613568][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2376.613568][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.613568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.613568][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.613568][   T10]      netlink_unicast+0x449/0x710
[ 2376.613568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.613568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.613568][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.613568][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.613568][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.613568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.613568][   T10] 
[ 2376.615605][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.615605][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.615605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.615605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.615605][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2376.615605][   T10]      ipv6_add_addr+0x411/0x2000
[ 2376.615605][   T10]      inet6_addr_add+0x30e/0xa40
[ 2376.615605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.615605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.615605][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.615605][   T10]      netlink_unicast+0x449/0x710
[ 2376.615605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.615605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.615605][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.615605][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.615605][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.615605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.615605][   T10] 
[ 2376.617615][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.617615][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.617615][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.617615][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.617615][   T10]      ip6_route_add+0x1c/0x140
[ 2376.617615][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2376.617615][   T10]      addrconf_add_dev+0xe2/0x170
[ 2376.617615][   T10]      inet6_addr_add+0x12f/0xa40
[ 2376.617615][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.617615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.617615][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.617615][   T10]      netlink_unicast+0x449/0x710
[ 2376.617615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.617615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.617615][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.617615][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.617615][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.617615][   T10] 
[ 2376.619799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.619799][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2376.619799][   T10]      ipv6_find_idev+0x102/0x170
[ 2376.619799][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2376.619799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.619799][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.619799][   T10]      netlink_unicast+0x449/0x710
[ 2376.619799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.619799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.619799][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.619799][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.619799][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.619799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.619799][   T10] 
[ 2376.621540][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2376.621540][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2376.621540][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2376.621540][   T10]      ipv6_find_idev+0x102/0x170
[ 2376.621540][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2376.621540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.621540][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.621540][   T10]      netlink_unicast+0x449/0x710
[ 2376.621540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.621540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.621540][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.621540][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.621540][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.621540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.621540][   T10] 
[ 2376.623502][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2376.623769][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2376.623769][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.623769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.623769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.623769][   T10]      ip6_route_add+0x1c/0x140
[ 2376.623769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2376.623769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2376.623769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.623769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.623769][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.623769][   T10]      netlink_unicast+0x449/0x710
[ 2376.623769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.623769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.623769][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.623769][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.623769][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.623769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.623769][   T10] 
[ 2376.626053][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2376.626053][   T10]      netdev_get_by_index+0x5e/0x80
[ 2376.626053][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2376.626053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2376.626053][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2376.626053][   T10]      ipv6_add_addr+0x411/0x2000
[ 2376.626053][   T10]      inet6_addr_add+0x30e/0xa40
[ 2376.626053][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2376.626053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.626053][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.626053][   T10]      netlink_unicast+0x449/0x710
[ 2376.626053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.626053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.626053][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.626053][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.626053][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.626053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.626053][   T10] 
[ 2376.628310][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2376.628310][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2376.628310][   T10]      ipv6_find_idev+0x102/0x170
[ 2376.628310][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2376.628310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.628310][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.628310][   T10]      netlink_unicast+0x449/0x710
[ 2376.628310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.628310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.628310][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.628310][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.628310][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.628310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.628310][   T10] 
[ 2376.630078][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2376.630078][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2376.630078][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2376.630078][   T10]      ipv6_find_idev+0x102/0x170
[ 2376.630078][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2376.630078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2376.630078][   T10]      netlink_rcv_skb+0x130/0x360
[ 2376.630078][   T10]      netlink_unicast+0x449/0x710
[ 2376.630078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2376.630078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2376.630078][   T10]      ___sys_sendmsg+0xee/0x170
[ 2376.630078][   T10]      __sys_sendmsg+0xcd/0x170
[ 2376.630078][   T10]      do_syscall_64+0xc6/0x1e0
[ 2376.630078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2376.630078][   T10] 
[ 2386.680717][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2386.681186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.681186][   T10]      dst_init+0x84/0x4a0
[ 2386.681186][   T10]      dst_alloc+0x97/0x150
[ 2386.681186][   T10]      ip6_dst_alloc+0x23/0x90
[ 2386.681186][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2386.681186][   T10]      ip6_pol_route+0x56f/0x840
[ 2386.681186][   T10]      fib6_rule_lookup+0x456/0x630
[ 2386.681186][   T10]      ip6_route_input+0x59c/0xa50
[ 2386.681186][   T10]      ipv6_rcv+0x397/0x810
[ 2386.681186][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2386.681186][   T10]      process_backlog+0x101/0x620
[ 2386.681186][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2386.681186][   T10]      net_rx_action+0x495/0xbe0
[ 2386.681186][   T10]      __do_softirq+0x1b5/0x7f6
[ 2386.681186][   T10] 
[ 2386.682922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.682922][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2386.682922][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2386.682922][   T10]      fib6_nh_init+0xa22/0x1580
[ 2386.682922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.682922][   T10]      ip6_route_add+0x1c/0x140
[ 2386.682922][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2386.682922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.682922][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.682922][   T10]      netlink_unicast+0x449/0x710
[ 2386.682922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.682922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.682922][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.682922][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.682922][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.682922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.682922][   T10] 
[ 2386.684870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.684870][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.684870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.684870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.684870][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2386.684870][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2386.684870][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2386.684870][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2386.684870][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2386.684870][   T10]      addrconf_dad_begin+0x310/0x670
[ 2386.684870][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2386.684870][   T10]      process_one_work+0x84d/0x18a0
[ 2386.684870][   T10]      worker_thread+0x587/0xd30
[ 2386.684870][   T10]      kthread+0x28a/0x350
[ 2386.684870][   T10]      ret_from_fork+0x31/0x70
[ 2386.684870][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2386.684870][   T10] 
[ 2386.686804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.686804][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.686804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.686804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.686804][   T10]      ip6_route_add+0x1c/0x140
[ 2386.686804][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2386.686804][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2386.686804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.686804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.686804][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.686804][   T10]      netlink_unicast+0x449/0x710
[ 2386.686804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.686804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.686804][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.686804][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.686804][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.686804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.686804][   T10] 
[ 2386.688842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.688842][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.688842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.688842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.688842][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2386.688842][   T10]      ipv6_add_addr+0x411/0x2000
[ 2386.688842][   T10]      inet6_addr_add+0x30e/0xa40
[ 2386.688842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.688842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.688842][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.688842][   T10]      netlink_unicast+0x449/0x710
[ 2386.688842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.688842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.688842][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.688842][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.688842][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.688842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.688842][   T10] 
[ 2386.690909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.690909][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.690909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.690909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.690909][   T10]      ip6_route_add+0x1c/0x140
[ 2386.690909][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2386.690909][   T10]      addrconf_add_dev+0xe2/0x170
[ 2386.690909][   T10]      inet6_addr_add+0x12f/0xa40
[ 2386.690909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.690909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.690909][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.690909][   T10]      netlink_unicast+0x449/0x710
[ 2386.690909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.690909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.690909][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.690909][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.690909][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.690909][   T10] 
[ 2386.692891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.692891][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2386.692891][   T10]      ipv6_find_idev+0x102/0x170
[ 2386.692891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2386.692891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.692891][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.692891][   T10]      netlink_unicast+0x449/0x710
[ 2386.692891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.692891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.692891][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.692891][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.692891][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.692891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.692891][   T10] 
[ 2386.694458][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2386.694458][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2386.694458][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2386.694458][   T10]      ipv6_find_idev+0x102/0x170
[ 2386.694458][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2386.694458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.694458][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.694458][   T10]      netlink_unicast+0x449/0x710
[ 2386.694458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.694458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.694458][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.694458][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.694458][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.694458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.694458][   T10] 
[ 2386.696195][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2386.696448][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.696448][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2386.696448][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2386.696448][   T10]      fib6_nh_init+0xa22/0x1580
[ 2386.696448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.696448][   T10]      ip6_route_add+0x1c/0x140
[ 2386.696448][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2386.696448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.696448][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.696448][   T10]      netlink_unicast+0x449/0x710
[ 2386.696448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.696448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.696448][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.696448][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.696448][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.696448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.696448][   T10] 
[ 2386.698362][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.698362][   T10]      dst_init+0x84/0x4a0
[ 2386.698362][   T10]      dst_alloc+0x97/0x150
[ 2386.698362][   T10]      ip6_dst_alloc+0x23/0x90
[ 2386.698362][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2386.698362][   T10]      ip6_pol_route+0x56f/0x840
[ 2386.698362][   T10]      fib6_rule_lookup+0x456/0x630
[ 2386.698362][   T10]      ip6_route_input+0x59c/0xa50
[ 2386.698362][   T10]      ipv6_rcv+0x397/0x810
[ 2386.698362][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2386.698362][   T10]      process_backlog+0x101/0x620
[ 2386.698362][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2386.698362][   T10]      net_rx_action+0x495/0xbe0
[ 2386.698362][   T10]      __do_softirq+0x1b5/0x7f6
[ 2386.698362][   T10] 
[ 2386.700022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.700022][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.700022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.700022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.700022][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2386.700022][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2386.700022][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2386.700022][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2386.700022][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2386.700022][   T10]      addrconf_dad_begin+0x310/0x670
[ 2386.700022][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2386.700022][   T10]      process_one_work+0x84d/0x18a0
[ 2386.700022][   T10]      worker_thread+0x587/0xd30
[ 2386.700022][   T10]      kthread+0x28a/0x350
[ 2386.700022][   T10]      ret_from_fork+0x31/0x70
[ 2386.700022][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2386.700022][   T10] 
[ 2386.701896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.701896][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.701896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.701896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.701896][   T10]      ip6_route_add+0x1c/0x140
[ 2386.701896][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2386.701896][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2386.701896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.701896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.701896][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.701896][   T10]      netlink_unicast+0x449/0x710
[ 2386.701896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.701896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.701896][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.701896][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.701896][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.701896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.701896][   T10] 
[ 2386.703907][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.703907][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.703907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.703907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.703907][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2386.703907][   T10]      ipv6_add_addr+0x411/0x2000
[ 2386.703907][   T10]      inet6_addr_add+0x30e/0xa40
[ 2386.703907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.703907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.703907][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.703907][   T10]      netlink_unicast+0x449/0x710
[ 2386.703907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.703907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.703907][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.703907][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.703907][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.703907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.703907][   T10] 
[ 2386.705923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.705923][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.705923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.705923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.705923][   T10]      ip6_route_add+0x1c/0x140
[ 2386.705923][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2386.705923][   T10]      addrconf_add_dev+0xe2/0x170
[ 2386.705923][   T10]      inet6_addr_add+0x12f/0xa40
[ 2386.705923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.705923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.705923][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.705923][   T10]      netlink_unicast+0x449/0x710
[ 2386.705923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.705923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.705923][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.705923][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.705923][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.705923][   T10] 
[ 2386.708048][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.708048][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2386.708048][   T10]      ipv6_find_idev+0x102/0x170
[ 2386.708048][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2386.708048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.708048][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.708048][   T10]      netlink_unicast+0x449/0x710
[ 2386.708048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.708048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.708048][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.708048][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.708048][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.708048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.708048][   T10] 
[ 2386.709870][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2386.709870][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2386.709870][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2386.709870][   T10]      ipv6_find_idev+0x102/0x170
[ 2386.709870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2386.709870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.709870][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.709870][   T10]      netlink_unicast+0x449/0x710
[ 2386.709870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.709870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.709870][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.709870][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.709870][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.709870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.709870][   T10] 
[ 2386.711774][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2386.712016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2386.712016][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.712016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.712016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.712016][   T10]      ip6_route_add+0x1c/0x140
[ 2386.712016][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2386.712016][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2386.712016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.712016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.712016][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.712016][   T10]      netlink_unicast+0x449/0x710
[ 2386.712016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.712016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.712016][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.712016][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.712016][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.712016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.712016][   T10] 
[ 2386.714286][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2386.714286][   T10]      netdev_get_by_index+0x5e/0x80
[ 2386.714286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2386.714286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2386.714286][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2386.714286][   T10]      ipv6_add_addr+0x411/0x2000
[ 2386.714286][   T10]      inet6_addr_add+0x30e/0xa40
[ 2386.714286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2386.714286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.714286][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.714286][   T10]      netlink_unicast+0x449/0x710
[ 2386.714286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.714286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.714286][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.714286][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.714286][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.714286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.714286][   T10] 
[ 2386.716590][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2386.716590][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2386.716590][   T10]      ipv6_find_idev+0x102/0x170
[ 2386.716590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2386.716590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.716590][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.716590][   T10]      netlink_unicast+0x449/0x710
[ 2386.716590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.716590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.716590][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.716590][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.716590][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.716590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.716590][   T10] 
[ 2386.718400][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2386.718400][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2386.718400][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2386.718400][   T10]      ipv6_find_idev+0x102/0x170
[ 2386.718400][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2386.718400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2386.718400][   T10]      netlink_rcv_skb+0x130/0x360
[ 2386.718400][   T10]      netlink_unicast+0x449/0x710
[ 2386.718400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2386.718400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2386.718400][   T10]      ___sys_sendmsg+0xee/0x170
[ 2386.718400][   T10]      __sys_sendmsg+0xcd/0x170
[ 2386.718400][   T10]      do_syscall_64+0xc6/0x1e0
[ 2386.718400][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2386.718400][   T10] 
[ 2396.960809][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2396.961317][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.961317][   T10]      dst_init+0x84/0x4a0
[ 2396.961317][   T10]      dst_alloc+0x97/0x150
[ 2396.961317][   T10]      ip6_dst_alloc+0x23/0x90
[ 2396.961317][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2396.961317][   T10]      ip6_pol_route+0x56f/0x840
[ 2396.961317][   T10]      fib6_rule_lookup+0x456/0x630
[ 2396.961317][   T10]      ip6_route_input+0x59c/0xa50
[ 2396.961317][   T10]      ipv6_rcv+0x397/0x810
[ 2396.961317][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2396.961317][   T10]      process_backlog+0x101/0x620
[ 2396.961317][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2396.961317][   T10]      net_rx_action+0x495/0xbe0
[ 2396.961317][   T10]      __do_softirq+0x1b5/0x7f6
[ 2396.961317][   T10] 
[ 2396.963023][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.963023][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2396.963023][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2396.963023][   T10]      fib6_nh_init+0xa22/0x1580
[ 2396.963023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.963023][   T10]      ip6_route_add+0x1c/0x140
[ 2396.963023][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2396.963023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.963023][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.963023][   T10]      netlink_unicast+0x449/0x710
[ 2396.963023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.963023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.963023][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.963023][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.963023][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.963023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.963023][   T10] 
[ 2396.964941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.964941][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.964941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.964941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.964941][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2396.964941][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2396.964941][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2396.964941][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2396.964941][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2396.964941][   T10]      addrconf_dad_begin+0x310/0x670
[ 2396.964941][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2396.964941][   T10]      process_one_work+0x84d/0x18a0
[ 2396.964941][   T10]      worker_thread+0x587/0xd30
[ 2396.964941][   T10]      kthread+0x28a/0x350
[ 2396.964941][   T10]      ret_from_fork+0x31/0x70
[ 2396.964941][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2396.964941][   T10] 
[ 2396.966856][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.966856][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.966856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.966856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.966856][   T10]      ip6_route_add+0x1c/0x140
[ 2396.966856][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2396.966856][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2396.966856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.966856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.966856][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.966856][   T10]      netlink_unicast+0x449/0x710
[ 2396.966856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.966856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.966856][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.966856][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.966856][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.966856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.966856][   T10] 
[ 2396.968914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.968914][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.968914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.968914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.968914][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2396.968914][   T10]      ipv6_add_addr+0x411/0x2000
[ 2396.968914][   T10]      inet6_addr_add+0x30e/0xa40
[ 2396.968914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.968914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.968914][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.968914][   T10]      netlink_unicast+0x449/0x710
[ 2396.968914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.968914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.968914][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.968914][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.968914][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.968914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.968914][   T10] 
[ 2396.970898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.970898][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.970898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.970898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.970898][   T10]      ip6_route_add+0x1c/0x140
[ 2396.970898][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2396.970898][   T10]      addrconf_add_dev+0xe2/0x170
[ 2396.970898][   T10]      inet6_addr_add+0x12f/0xa40
[ 2396.970898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.970898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.970898][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.970898][   T10]      netlink_unicast+0x449/0x710
[ 2396.970898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.970898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.970898][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.970898][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.970898][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.970898][   T10] 
[ 2396.972845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.972845][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2396.972845][   T10]      ipv6_find_idev+0x102/0x170
[ 2396.972845][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2396.972845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.972845][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.972845][   T10]      netlink_unicast+0x449/0x710
[ 2396.972845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.972845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.972845][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.972845][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.972845][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.972845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.972845][   T10] 
[ 2396.974415][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2396.974415][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2396.974415][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2396.974415][   T10]      ipv6_find_idev+0x102/0x170
[ 2396.974415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2396.974415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.974415][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.974415][   T10]      netlink_unicast+0x449/0x710
[ 2396.974415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.974415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.974415][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.974415][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.974415][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.974415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.974415][   T10] 
[ 2396.976180][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2396.976426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.976426][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2396.976426][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2396.976426][   T10]      fib6_nh_init+0xa22/0x1580
[ 2396.976426][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.976426][   T10]      ip6_route_add+0x1c/0x140
[ 2396.976426][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2396.976426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.976426][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.976426][   T10]      netlink_unicast+0x449/0x710
[ 2396.976426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.976426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.976426][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.976426][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.976426][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.976426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.976426][   T10] 
[ 2396.978325][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.978325][   T10]      dst_init+0x84/0x4a0
[ 2396.978325][   T10]      dst_alloc+0x97/0x150
[ 2396.978325][   T10]      ip6_dst_alloc+0x23/0x90
[ 2396.978325][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2396.978325][   T10]      ip6_pol_route+0x56f/0x840
[ 2396.978325][   T10]      fib6_rule_lookup+0x456/0x630
[ 2396.978325][   T10]      ip6_route_input+0x59c/0xa50
[ 2396.978325][   T10]      ipv6_rcv+0x397/0x810
[ 2396.978325][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2396.978325][   T10]      process_backlog+0x101/0x620
[ 2396.978325][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2396.978325][   T10]      net_rx_action+0x495/0xbe0
[ 2396.978325][   T10]      __do_softirq+0x1b5/0x7f6
[ 2396.978325][   T10] 
[ 2396.979947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.979947][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.979947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.979947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.979947][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2396.979947][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2396.979947][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2396.979947][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2396.979947][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2396.979947][   T10]      addrconf_dad_begin+0x310/0x670
[ 2396.979947][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2396.979947][   T10]      process_one_work+0x84d/0x18a0
[ 2396.979947][   T10]      worker_thread+0x587/0xd30
[ 2396.979947][   T10]      kthread+0x28a/0x350
[ 2396.979947][   T10]      ret_from_fork+0x31/0x70
[ 2396.979947][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2396.979947][   T10] 
[ 2396.981866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.981866][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.981866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.981866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.981866][   T10]      ip6_route_add+0x1c/0x140
[ 2396.981866][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2396.981866][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2396.981866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.981866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.981866][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.981866][   T10]      netlink_unicast+0x449/0x710
[ 2396.981866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.981866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.981866][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.981866][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.981866][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.981866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.981866][   T10] 
[ 2396.983883][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.983883][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.983883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.983883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.983883][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2396.983883][   T10]      ipv6_add_addr+0x411/0x2000
[ 2396.983883][   T10]      inet6_addr_add+0x30e/0xa40
[ 2396.983883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.983883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.983883][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.983883][   T10]      netlink_unicast+0x449/0x710
[ 2396.983883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.983883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.983883][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.983883][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.983883][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.983883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.983883][   T10] 
[ 2396.985906][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.985906][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.985906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.985906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.985906][   T10]      ip6_route_add+0x1c/0x140
[ 2396.985906][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2396.985906][   T10]      addrconf_add_dev+0xe2/0x170
[ 2396.985906][   T10]      inet6_addr_add+0x12f/0xa40
[ 2396.985906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.985906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.985906][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.985906][   T10]      netlink_unicast+0x449/0x710
[ 2396.985906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.985906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.985906][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.985906][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.985906][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.985906][   T10] 
[ 2396.988013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.988013][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2396.988013][   T10]      ipv6_find_idev+0x102/0x170
[ 2396.988013][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2396.988013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.988013][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.988013][   T10]      netlink_unicast+0x449/0x710
[ 2396.988013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.988013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.988013][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.988013][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.988013][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.988013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.988013][   T10] 
[ 2396.989631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2396.989631][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2396.989631][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2396.989631][   T10]      ipv6_find_idev+0x102/0x170
[ 2396.989631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2396.989631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.989631][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.989631][   T10]      netlink_unicast+0x449/0x710
[ 2396.989631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.989631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.989631][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.989631][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.989631][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.989631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.989631][   T10] 
[ 2396.991477][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2396.991730][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2396.991730][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.991730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.991730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.991730][   T10]      ip6_route_add+0x1c/0x140
[ 2396.991730][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2396.991730][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2396.991730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.991730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.991730][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.991730][   T10]      netlink_unicast+0x449/0x710
[ 2396.991730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.991730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.991730][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.991730][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.991730][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.991730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.991730][   T10] 
[ 2396.993893][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2396.993893][   T10]      netdev_get_by_index+0x5e/0x80
[ 2396.993893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2396.993893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2396.993893][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2396.993893][   T10]      ipv6_add_addr+0x411/0x2000
[ 2396.993893][   T10]      inet6_addr_add+0x30e/0xa40
[ 2396.993893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2396.993893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.993893][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.993893][   T10]      netlink_unicast+0x449/0x710
[ 2396.993893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.993893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.993893][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.993893][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.993893][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.993893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.993893][   T10] 
[ 2396.996073][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2396.996073][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2396.996073][   T10]      ipv6_find_idev+0x102/0x170
[ 2396.996073][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2396.996073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.996073][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.996073][   T10]      netlink_unicast+0x449/0x710
[ 2396.996073][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.996073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.996073][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.996073][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.996073][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.996073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.996073][   T10] 
[ 2396.997767][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2396.997767][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2396.997767][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2396.997767][   T10]      ipv6_find_idev+0x102/0x170
[ 2396.997767][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2396.997767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2396.997767][   T10]      netlink_rcv_skb+0x130/0x360
[ 2396.997767][   T10]      netlink_unicast+0x449/0x710
[ 2396.997767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2396.997767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2396.997767][   T10]      ___sys_sendmsg+0xee/0x170
[ 2396.997767][   T10]      __sys_sendmsg+0xcd/0x170
[ 2396.997767][   T10]      do_syscall_64+0xc6/0x1e0
[ 2396.997767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2396.997767][   T10] 
[ 2407.241779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2407.242231][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.242231][   T10]      dst_init+0x84/0x4a0
[ 2407.242231][   T10]      dst_alloc+0x97/0x150
[ 2407.242231][   T10]      ip6_dst_alloc+0x23/0x90
[ 2407.242231][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2407.242231][   T10]      ip6_pol_route+0x56f/0x840
[ 2407.242231][   T10]      fib6_rule_lookup+0x456/0x630
[ 2407.242231][   T10]      ip6_route_input+0x59c/0xa50
[ 2407.242231][   T10]      ipv6_rcv+0x397/0x810
[ 2407.242231][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2407.242231][   T10]      process_backlog+0x101/0x620
[ 2407.242231][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2407.242231][   T10]      net_rx_action+0x495/0xbe0
[ 2407.242231][   T10]      __do_softirq+0x1b5/0x7f6
[ 2407.242231][   T10] 
[ 2407.243907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.243907][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2407.243907][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2407.243907][   T10]      fib6_nh_init+0xa22/0x1580
[ 2407.243907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.243907][   T10]      ip6_route_add+0x1c/0x140
[ 2407.243907][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2407.243907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.243907][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.243907][   T10]      netlink_unicast+0x449/0x710
[ 2407.243907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.243907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.243907][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.243907][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.243907][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.243907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.243907][   T10] 
[ 2407.245837][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.245837][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.245837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.245837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.245837][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2407.245837][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2407.245837][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2407.245837][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2407.245837][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2407.245837][   T10]      addrconf_dad_begin+0x310/0x670
[ 2407.245837][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2407.245837][   T10]      process_one_work+0x84d/0x18a0
[ 2407.245837][   T10]      worker_thread+0x587/0xd30
[ 2407.245837][   T10]      kthread+0x28a/0x350
[ 2407.245837][   T10]      ret_from_fork+0x31/0x70
[ 2407.245837][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2407.245837][   T10] 
[ 2407.247726][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.247726][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.247726][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.247726][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.247726][   T10]      ip6_route_add+0x1c/0x140
[ 2407.247726][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2407.247726][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2407.247726][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.247726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.247726][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.247726][   T10]      netlink_unicast+0x449/0x710
[ 2407.247726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.247726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.247726][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.247726][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.247726][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.247726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.247726][   T10] 
[ 2407.249668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.249668][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.249668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.249668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.249668][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2407.249668][   T10]      ipv6_add_addr+0x411/0x2000
[ 2407.249668][   T10]      inet6_addr_add+0x30e/0xa40
[ 2407.249668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.249668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.249668][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.249668][   T10]      netlink_unicast+0x449/0x710
[ 2407.249668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.249668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.249668][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.249668][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.249668][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.249668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.249668][   T10] 
[ 2407.251633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.251633][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.251633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.251633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.251633][   T10]      ip6_route_add+0x1c/0x140
[ 2407.251633][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2407.251633][   T10]      addrconf_add_dev+0xe2/0x170
[ 2407.251633][   T10]      inet6_addr_add+0x12f/0xa40
[ 2407.251633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.251633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.251633][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.251633][   T10]      netlink_unicast+0x449/0x710
[ 2407.251633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.251633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.251633][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.251633][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.251633][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.251633][   T10] 
[ 2407.253470][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.253470][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2407.253470][   T10]      ipv6_find_idev+0x102/0x170
[ 2407.253470][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2407.253470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.253470][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.253470][   T10]      netlink_unicast+0x449/0x710
[ 2407.253470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.253470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.253470][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.253470][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.253470][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.253470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.253470][   T10] 
[ 2407.254978][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2407.254978][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2407.254978][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2407.254978][   T10]      ipv6_find_idev+0x102/0x170
[ 2407.254978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2407.254978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.254978][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.254978][   T10]      netlink_unicast+0x449/0x710
[ 2407.254978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.254978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.254978][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.254978][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.254978][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.254978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.254978][   T10] 
[ 2407.256708][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2407.256958][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.256958][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2407.256958][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2407.256958][   T10]      fib6_nh_init+0xa22/0x1580
[ 2407.256958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.256958][   T10]      ip6_route_add+0x1c/0x140
[ 2407.256958][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2407.256958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.256958][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.256958][   T10]      netlink_unicast+0x449/0x710
[ 2407.256958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.256958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.256958][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.256958][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.256958][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.256958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.256958][   T10] 
[ 2407.258839][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.258839][   T10]      dst_init+0x84/0x4a0
[ 2407.258839][   T10]      dst_alloc+0x97/0x150
[ 2407.258839][   T10]      ip6_dst_alloc+0x23/0x90
[ 2407.258839][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2407.258839][   T10]      ip6_pol_route+0x56f/0x840
[ 2407.258839][   T10]      fib6_rule_lookup+0x456/0x630
[ 2407.258839][   T10]      ip6_route_input+0x59c/0xa50
[ 2407.258839][   T10]      ipv6_rcv+0x397/0x810
[ 2407.258839][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2407.258839][   T10]      process_backlog+0x101/0x620
[ 2407.258839][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2407.258839][   T10]      net_rx_action+0x495/0xbe0
[ 2407.258839][   T10]      __do_softirq+0x1b5/0x7f6
[ 2407.258839][   T10] 
[ 2407.260459][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.260459][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.260459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.260459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.260459][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2407.260459][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2407.260459][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2407.260459][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2407.260459][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2407.260459][   T10]      addrconf_dad_begin+0x310/0x670
[ 2407.260459][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2407.260459][   T10]      process_one_work+0x84d/0x18a0
[ 2407.260459][   T10]      worker_thread+0x587/0xd30
[ 2407.260459][   T10]      kthread+0x28a/0x350
[ 2407.260459][   T10]      ret_from_fork+0x31/0x70
[ 2407.260459][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2407.260459][   T10] 
[ 2407.262338][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.262338][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.262338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.262338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.262338][   T10]      ip6_route_add+0x1c/0x140
[ 2407.262338][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2407.262338][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2407.262338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.262338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.262338][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.262338][   T10]      netlink_unicast+0x449/0x710
[ 2407.262338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.262338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.262338][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.262338][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.262338][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.262338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.262338][   T10] 
[ 2407.264386][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.264386][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.264386][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.264386][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.264386][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2407.264386][   T10]      ipv6_add_addr+0x411/0x2000
[ 2407.264386][   T10]      inet6_addr_add+0x30e/0xa40
[ 2407.264386][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.264386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.264386][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.264386][   T10]      netlink_unicast+0x449/0x710
[ 2407.264386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.264386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.264386][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.264386][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.264386][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.264386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.264386][   T10] 
[ 2407.266417][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.266417][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.266417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.266417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.266417][   T10]      ip6_route_add+0x1c/0x140
[ 2407.266417][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2407.266417][   T10]      addrconf_add_dev+0xe2/0x170
[ 2407.266417][   T10]      inet6_addr_add+0x12f/0xa40
[ 2407.266417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.266417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.266417][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.266417][   T10]      netlink_unicast+0x449/0x710
[ 2407.266417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.266417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.266417][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.266417][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.266417][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.266417][   T10] 
[ 2407.268569][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.268569][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2407.268569][   T10]      ipv6_find_idev+0x102/0x170
[ 2407.268569][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2407.268569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.268569][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.268569][   T10]      netlink_unicast+0x449/0x710
[ 2407.268569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.268569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.268569][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.268569][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.268569][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.268569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.268569][   T10] 
[ 2407.270384][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2407.270384][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2407.270384][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2407.270384][   T10]      ipv6_find_idev+0x102/0x170
[ 2407.270384][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2407.270384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.270384][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.270384][   T10]      netlink_unicast+0x449/0x710
[ 2407.270384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.270384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.270384][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.270384][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.270384][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.270384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.270384][   T10] 
[ 2407.272301][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2407.272601][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2407.272601][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.272601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.272601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.272601][   T10]      ip6_route_add+0x1c/0x140
[ 2407.272601][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2407.272601][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2407.272601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.272601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.272601][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.272601][   T10]      netlink_unicast+0x449/0x710
[ 2407.272601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.272601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.272601][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.272601][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.272601][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.272601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.272601][   T10] 
[ 2407.274887][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2407.274887][   T10]      netdev_get_by_index+0x5e/0x80
[ 2407.274887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2407.274887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2407.274887][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2407.274887][   T10]      ipv6_add_addr+0x411/0x2000
[ 2407.274887][   T10]      inet6_addr_add+0x30e/0xa40
[ 2407.274887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2407.274887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.274887][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.274887][   T10]      netlink_unicast+0x449/0x710
[ 2407.274887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.274887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.274887][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.274887][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.274887][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.274887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.274887][   T10] 
[ 2407.277163][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2407.277163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2407.277163][   T10]      ipv6_find_idev+0x102/0x170
[ 2407.277163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2407.277163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.277163][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.277163][   T10]      netlink_unicast+0x449/0x710
[ 2407.277163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.277163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.277163][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.277163][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.277163][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.277163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.277163][   T10] 
[ 2407.279018][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2407.279018][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2407.279018][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2407.279018][   T10]      ipv6_find_idev+0x102/0x170
[ 2407.279018][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2407.279018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2407.279018][   T10]      netlink_rcv_skb+0x130/0x360
[ 2407.279018][   T10]      netlink_unicast+0x449/0x710
[ 2407.279018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2407.279018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2407.279018][   T10]      ___sys_sendmsg+0xee/0x170
[ 2407.279018][   T10]      __sys_sendmsg+0xcd/0x170
[ 2407.279018][   T10]      do_syscall_64+0xc6/0x1e0
[ 2407.279018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2407.279018][   T10] 
[ 2417.521849][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2417.522282][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.522282][   T10]      dst_init+0x84/0x4a0
[ 2417.522282][   T10]      dst_alloc+0x97/0x150
[ 2417.522282][   T10]      ip6_dst_alloc+0x23/0x90
[ 2417.522282][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2417.522282][   T10]      ip6_pol_route+0x56f/0x840
[ 2417.522282][   T10]      fib6_rule_lookup+0x456/0x630
[ 2417.522282][   T10]      ip6_route_input+0x59c/0xa50
[ 2417.522282][   T10]      ipv6_rcv+0x397/0x810
[ 2417.522282][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2417.522282][   T10]      process_backlog+0x101/0x620
[ 2417.522282][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2417.522282][   T10]      net_rx_action+0x495/0xbe0
[ 2417.522282][   T10]      __do_softirq+0x1b5/0x7f6
[ 2417.522282][   T10] 
[ 2417.524449][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.524449][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2417.524449][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2417.524449][   T10]      fib6_nh_init+0xa22/0x1580
[ 2417.524449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.524449][   T10]      ip6_route_add+0x1c/0x140
[ 2417.524449][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2417.524449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.524449][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.524449][   T10]      netlink_unicast+0x449/0x710
[ 2417.524449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.524449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.524449][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.524449][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.524449][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.524449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.524449][   T10] 
[ 2417.526435][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.526435][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.526435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.526435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.526435][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2417.526435][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2417.526435][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2417.526435][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2417.526435][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2417.526435][   T10]      addrconf_dad_begin+0x310/0x670
[ 2417.526435][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2417.526435][   T10]      process_one_work+0x84d/0x18a0
[ 2417.526435][   T10]      worker_thread+0x587/0xd30
[ 2417.526435][   T10]      kthread+0x28a/0x350
[ 2417.526435][   T10]      ret_from_fork+0x31/0x70
[ 2417.526435][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2417.526435][   T10] 
[ 2417.528407][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.528407][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.528407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.528407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.528407][   T10]      ip6_route_add+0x1c/0x140
[ 2417.528407][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2417.528407][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2417.528407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.528407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.528407][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.528407][   T10]      netlink_unicast+0x449/0x710
[ 2417.528407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.528407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.528407][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.528407][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.528407][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.528407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.528407][   T10] 
[ 2417.530407][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.530407][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.530407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.530407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.530407][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2417.530407][   T10]      ipv6_add_addr+0x411/0x2000
[ 2417.530407][   T10]      inet6_addr_add+0x30e/0xa40
[ 2417.530407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.530407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.530407][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.530407][   T10]      netlink_unicast+0x449/0x710
[ 2417.530407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.530407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.530407][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.530407][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.530407][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.530407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.530407][   T10] 
[ 2417.532428][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.532428][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.532428][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.532428][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.532428][   T10]      ip6_route_add+0x1c/0x140
[ 2417.532428][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2417.532428][   T10]      addrconf_add_dev+0xe2/0x170
[ 2417.532428][   T10]      inet6_addr_add+0x12f/0xa40
[ 2417.532428][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.532428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.532428][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.532428][   T10]      netlink_unicast+0x449/0x710
[ 2417.532428][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.532428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.532428][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.532428][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.532428][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.532428][   T10] 
[ 2417.534435][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.534435][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2417.534435][   T10]      ipv6_find_idev+0x102/0x170
[ 2417.534435][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2417.534435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.534435][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.534435][   T10]      netlink_unicast+0x449/0x710
[ 2417.534435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.534435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.534435][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.534435][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.534435][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.534435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.534435][   T10] 
[ 2417.536020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2417.536020][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2417.536020][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2417.536020][   T10]      ipv6_find_idev+0x102/0x170
[ 2417.536020][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2417.536020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.536020][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.536020][   T10]      netlink_unicast+0x449/0x710
[ 2417.536020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.536020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.536020][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.536020][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.536020][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.536020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.536020][   T10] 
[ 2417.537709][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2417.537948][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.537948][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2417.537948][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2417.537948][   T10]      fib6_nh_init+0xa22/0x1580
[ 2417.537948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.537948][   T10]      ip6_route_add+0x1c/0x140
[ 2417.537948][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2417.537948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.537948][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.537948][   T10]      netlink_unicast+0x449/0x710
[ 2417.537948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.537948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.537948][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.537948][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.537948][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.537948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.537948][   T10] 
[ 2417.540244][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.540244][   T10]      dst_init+0x84/0x4a0
[ 2417.540244][   T10]      dst_alloc+0x97/0x150
[ 2417.540244][   T10]      ip6_dst_alloc+0x23/0x90
[ 2417.540244][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2417.540244][   T10]      ip6_pol_route+0x56f/0x840
[ 2417.540244][   T10]      fib6_rule_lookup+0x456/0x630
[ 2417.540244][   T10]      ip6_route_input+0x59c/0xa50
[ 2417.540244][   T10]      ipv6_rcv+0x397/0x810
[ 2417.540244][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2417.540244][   T10]      process_backlog+0x101/0x620
[ 2417.540244][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2417.540244][   T10]      net_rx_action+0x495/0xbe0
[ 2417.540244][   T10]      __do_softirq+0x1b5/0x7f6
[ 2417.540244][   T10] 
[ 2417.541895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.541895][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.541895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.541895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.541895][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2417.541895][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2417.541895][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2417.541895][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2417.541895][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2417.541895][   T10]      addrconf_dad_begin+0x310/0x670
[ 2417.541895][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2417.541895][   T10]      process_one_work+0x84d/0x18a0
[ 2417.541895][   T10]      worker_thread+0x587/0xd30
[ 2417.541895][   T10]      kthread+0x28a/0x350
[ 2417.541895][   T10]      ret_from_fork+0x31/0x70
[ 2417.541895][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2417.541895][   T10] 
[ 2417.543773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.543773][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.543773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.543773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.543773][   T10]      ip6_route_add+0x1c/0x140
[ 2417.543773][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2417.543773][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2417.543773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.543773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.543773][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.543773][   T10]      netlink_unicast+0x449/0x710
[ 2417.543773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.543773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.543773][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.543773][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.543773][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.543773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.543773][   T10] 
[ 2417.545750][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.545750][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.545750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.545750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.545750][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2417.545750][   T10]      ipv6_add_addr+0x411/0x2000
[ 2417.545750][   T10]      inet6_addr_add+0x30e/0xa40
[ 2417.545750][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.545750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.545750][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.545750][   T10]      netlink_unicast+0x449/0x710
[ 2417.545750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.545750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.545750][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.545750][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.545750][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.545750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.545750][   T10] 
[ 2417.547771][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.547771][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.547771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.547771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.547771][   T10]      ip6_route_add+0x1c/0x140
[ 2417.547771][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2417.547771][   T10]      addrconf_add_dev+0xe2/0x170
[ 2417.547771][   T10]      inet6_addr_add+0x12f/0xa40
[ 2417.547771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.547771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.547771][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.547771][   T10]      netlink_unicast+0x449/0x710
[ 2417.547771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.547771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.547771][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.547771][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.547771][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.547771][   T10] 
[ 2417.549947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.549947][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2417.549947][   T10]      ipv6_find_idev+0x102/0x170
[ 2417.549947][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2417.549947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.549947][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.549947][   T10]      netlink_unicast+0x449/0x710
[ 2417.549947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.549947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.549947][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.549947][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.549947][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.549947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.549947][   T10] 
[ 2417.551710][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2417.551710][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2417.551710][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2417.551710][   T10]      ipv6_find_idev+0x102/0x170
[ 2417.551710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2417.551710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.551710][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.551710][   T10]      netlink_unicast+0x449/0x710
[ 2417.551710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.551710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.551710][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.551710][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.551710][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.551710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.551710][   T10] 
[ 2417.553690][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2417.553940][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2417.553940][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.553940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.553940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.553940][   T10]      ip6_route_add+0x1c/0x140
[ 2417.553940][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2417.553940][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2417.553940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.553940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.553940][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.553940][   T10]      netlink_unicast+0x449/0x710
[ 2417.553940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.553940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.553940][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.553940][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.553940][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.553940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.553940][   T10] 
[ 2417.556229][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2417.556229][   T10]      netdev_get_by_index+0x5e/0x80
[ 2417.556229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2417.556229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2417.556229][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2417.556229][   T10]      ipv6_add_addr+0x411/0x2000
[ 2417.556229][   T10]      inet6_addr_add+0x30e/0xa40
[ 2417.556229][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2417.556229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.556229][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.556229][   T10]      netlink_unicast+0x449/0x710
[ 2417.556229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.556229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.556229][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.556229][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.556229][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.556229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.556229][   T10] 
[ 2417.558509][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2417.558509][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2417.558509][   T10]      ipv6_find_idev+0x102/0x170
[ 2417.558509][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2417.558509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.558509][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.558509][   T10]      netlink_unicast+0x449/0x710
[ 2417.558509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.558509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.558509][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.558509][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.558509][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.558509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.558509][   T10] 
[ 2417.560276][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2417.560276][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2417.560276][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2417.560276][   T10]      ipv6_find_idev+0x102/0x170
[ 2417.560276][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2417.560276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2417.560276][   T10]      netlink_rcv_skb+0x130/0x360
[ 2417.560276][   T10]      netlink_unicast+0x449/0x710
[ 2417.560276][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2417.560276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2417.560276][   T10]      ___sys_sendmsg+0xee/0x170
[ 2417.560276][   T10]      __sys_sendmsg+0xcd/0x170
[ 2417.560276][   T10]      do_syscall_64+0xc6/0x1e0
[ 2417.560276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2417.560276][   T10] 
[ 2427.656787][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2427.657295][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.657295][   T10]      dst_init+0x84/0x4a0
[ 2427.657295][   T10]      dst_alloc+0x97/0x150
[ 2427.657295][   T10]      ip6_dst_alloc+0x23/0x90
[ 2427.657295][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2427.657295][   T10]      ip6_pol_route+0x56f/0x840
[ 2427.657295][   T10]      fib6_rule_lookup+0x456/0x630
[ 2427.657295][   T10]      ip6_route_input+0x59c/0xa50
[ 2427.657295][   T10]      ipv6_rcv+0x397/0x810
[ 2427.657295][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2427.657295][   T10]      process_backlog+0x101/0x620
[ 2427.657295][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2427.657295][   T10]      net_rx_action+0x495/0xbe0
[ 2427.657295][   T10]      __do_softirq+0x1b5/0x7f6
[ 2427.657295][   T10] 
[ 2427.658999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.658999][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2427.658999][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2427.658999][   T10]      fib6_nh_init+0xa22/0x1580
[ 2427.658999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.658999][   T10]      ip6_route_add+0x1c/0x140
[ 2427.658999][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2427.658999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.658999][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.658999][   T10]      netlink_unicast+0x449/0x710
[ 2427.658999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.658999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.658999][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.658999][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.658999][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.658999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.658999][   T10] 
[ 2427.660927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.660927][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.660927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.660927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.660927][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2427.660927][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2427.660927][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2427.660927][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2427.660927][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2427.660927][   T10]      addrconf_dad_begin+0x310/0x670
[ 2427.660927][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2427.660927][   T10]      process_one_work+0x84d/0x18a0
[ 2427.660927][   T10]      worker_thread+0x587/0xd30
[ 2427.660927][   T10]      kthread+0x28a/0x350
[ 2427.660927][   T10]      ret_from_fork+0x31/0x70
[ 2427.660927][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2427.660927][   T10] 
[ 2427.662905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.662905][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.662905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.662905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.662905][   T10]      ip6_route_add+0x1c/0x140
[ 2427.662905][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2427.662905][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2427.662905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.662905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.662905][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.662905][   T10]      netlink_unicast+0x449/0x710
[ 2427.662905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.662905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.662905][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.662905][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.662905][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.662905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.662905][   T10] 
[ 2427.665376][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.665376][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.665376][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.665376][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.665376][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2427.665376][   T10]      ipv6_add_addr+0x411/0x2000
[ 2427.665376][   T10]      inet6_addr_add+0x30e/0xa40
[ 2427.665376][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.665376][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.665376][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.665376][   T10]      netlink_unicast+0x449/0x710
[ 2427.665376][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.665376][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.665376][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.665376][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.665376][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.665376][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.665376][   T10] 
[ 2427.667921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.667921][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.667921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.667921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.667921][   T10]      ip6_route_add+0x1c/0x140
[ 2427.667921][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2427.667921][   T10]      addrconf_add_dev+0xe2/0x170
[ 2427.667921][   T10]      inet6_addr_add+0x12f/0xa40
[ 2427.667921][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.667921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.667921][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.667921][   T10]      netlink_unicast+0x449/0x710
[ 2427.667921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.667921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.667921][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.667921][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.667921][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.667921][   T10] 
[ 2427.669916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.669916][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2427.669916][   T10]      ipv6_find_idev+0x102/0x170
[ 2427.669916][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2427.669916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.669916][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.669916][   T10]      netlink_unicast+0x449/0x710
[ 2427.669916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.669916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.669916][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.669916][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.669916][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.669916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.669916][   T10] 
[ 2427.671480][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2427.671480][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2427.671480][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2427.671480][   T10]      ipv6_find_idev+0x102/0x170
[ 2427.671480][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2427.671480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.671480][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.671480][   T10]      netlink_unicast+0x449/0x710
[ 2427.671480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.671480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.671480][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.671480][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.671480][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.671480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.671480][   T10] 
[ 2427.673263][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2427.673509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.673509][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2427.673509][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2427.673509][   T10]      fib6_nh_init+0xa22/0x1580
[ 2427.673509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.673509][   T10]      ip6_route_add+0x1c/0x140
[ 2427.673509][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2427.673509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.673509][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.673509][   T10]      netlink_unicast+0x449/0x710
[ 2427.673509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.673509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.673509][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.673509][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.673509][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.673509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.673509][   T10] 
[ 2427.675479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.675479][   T10]      dst_init+0x84/0x4a0
[ 2427.675479][   T10]      dst_alloc+0x97/0x150
[ 2427.675479][   T10]      ip6_dst_alloc+0x23/0x90
[ 2427.675479][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2427.675479][   T10]      ip6_pol_route+0x56f/0x840
[ 2427.675479][   T10]      fib6_rule_lookup+0x456/0x630
[ 2427.675479][   T10]      ip6_route_input+0x59c/0xa50
[ 2427.675479][   T10]      ipv6_rcv+0x397/0x810
[ 2427.675479][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2427.675479][   T10]      process_backlog+0x101/0x620
[ 2427.675479][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2427.675479][   T10]      net_rx_action+0x495/0xbe0
[ 2427.675479][   T10]      __do_softirq+0x1b5/0x7f6
[ 2427.675479][   T10] 
[ 2427.677209][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.677209][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.677209][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.677209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.677209][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2427.677209][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2427.677209][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2427.677209][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2427.677209][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2427.677209][   T10]      addrconf_dad_begin+0x310/0x670
[ 2427.677209][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2427.677209][   T10]      process_one_work+0x84d/0x18a0
[ 2427.677209][   T10]      worker_thread+0x587/0xd30
[ 2427.677209][   T10]      kthread+0x28a/0x350
[ 2427.677209][   T10]      ret_from_fork+0x31/0x70
[ 2427.677209][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2427.677209][   T10] 
[ 2427.679316][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.679316][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.679316][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.679316][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.679316][   T10]      ip6_route_add+0x1c/0x140
[ 2427.679316][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2427.679316][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2427.679316][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.679316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.679316][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.679316][   T10]      netlink_unicast+0x449/0x710
[ 2427.679316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.679316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.679316][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.679316][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.679316][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.679316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.679316][   T10] 
[ 2427.681315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.681315][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.681315][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.681315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.681315][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2427.681315][   T10]      ipv6_add_addr+0x411/0x2000
[ 2427.681315][   T10]      inet6_addr_add+0x30e/0xa40
[ 2427.681315][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.681315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.681315][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.681315][   T10]      netlink_unicast+0x449/0x710
[ 2427.681315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.681315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.681315][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.681315][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.681315][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.681315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.681315][   T10] 
[ 2427.683374][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.683374][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.683374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.683374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.683374][   T10]      ip6_route_add+0x1c/0x140
[ 2427.683374][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2427.683374][   T10]      addrconf_add_dev+0xe2/0x170
[ 2427.683374][   T10]      inet6_addr_add+0x12f/0xa40
[ 2427.683374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.683374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.683374][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.683374][   T10]      netlink_unicast+0x449/0x710
[ 2427.683374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.683374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.683374][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.683374][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.683374][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.683374][   T10] 
[ 2427.685554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.685554][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2427.685554][   T10]      ipv6_find_idev+0x102/0x170
[ 2427.685554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2427.685554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.685554][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.685554][   T10]      netlink_unicast+0x449/0x710
[ 2427.685554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.685554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.685554][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.685554][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.685554][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.685554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.685554][   T10] 
[ 2427.687399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2427.687399][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2427.687399][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2427.687399][   T10]      ipv6_find_idev+0x102/0x170
[ 2427.687399][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2427.687399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.687399][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.687399][   T10]      netlink_unicast+0x449/0x710
[ 2427.687399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.687399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.687399][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.687399][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.687399][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.687399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.687399][   T10] 
[ 2427.689432][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2427.690127][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2427.690127][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.690127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.690127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.690127][   T10]      ip6_route_add+0x1c/0x140
[ 2427.690127][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2427.690127][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2427.690127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.690127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.690127][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.690127][   T10]      netlink_unicast+0x449/0x710
[ 2427.690127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.690127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.690127][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.690127][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.690127][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.690127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.690127][   T10] 
[ 2427.692456][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2427.692456][   T10]      netdev_get_by_index+0x5e/0x80
[ 2427.692456][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2427.692456][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2427.692456][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2427.692456][   T10]      ipv6_add_addr+0x411/0x2000
[ 2427.692456][   T10]      inet6_addr_add+0x30e/0xa40
[ 2427.692456][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2427.692456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.692456][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.692456][   T10]      netlink_unicast+0x449/0x710
[ 2427.692456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.692456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.692456][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.692456][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.692456][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.692456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.692456][   T10] 
[ 2427.694722][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2427.694722][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2427.694722][   T10]      ipv6_find_idev+0x102/0x170
[ 2427.694722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2427.694722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.694722][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.694722][   T10]      netlink_unicast+0x449/0x710
[ 2427.694722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.694722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.694722][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.694722][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.694722][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.694722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.694722][   T10] 
[ 2427.696445][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2427.696445][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2427.696445][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2427.696445][   T10]      ipv6_find_idev+0x102/0x170
[ 2427.696445][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2427.696445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2427.696445][   T10]      netlink_rcv_skb+0x130/0x360
[ 2427.696445][   T10]      netlink_unicast+0x449/0x710
[ 2427.696445][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2427.696445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2427.696445][   T10]      ___sys_sendmsg+0xee/0x170
[ 2427.696445][   T10]      __sys_sendmsg+0xcd/0x170
[ 2427.696445][   T10]      do_syscall_64+0xc6/0x1e0
[ 2427.696445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2427.696445][   T10] 
[ 2438.337739][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2438.338182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.338182][   T10]      dst_init+0x84/0x4a0
[ 2438.338182][   T10]      dst_alloc+0x97/0x150
[ 2438.338182][   T10]      ip6_dst_alloc+0x23/0x90
[ 2438.338182][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2438.338182][   T10]      ip6_pol_route+0x56f/0x840
[ 2438.338182][   T10]      fib6_rule_lookup+0x456/0x630
[ 2438.338182][   T10]      ip6_route_input+0x59c/0xa50
[ 2438.338182][   T10]      ipv6_rcv+0x397/0x810
[ 2438.338182][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2438.338182][   T10]      process_backlog+0x101/0x620
[ 2438.338182][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2438.338182][   T10]      net_rx_action+0x495/0xbe0
[ 2438.338182][   T10]      __do_softirq+0x1b5/0x7f6
[ 2438.338182][   T10] 
[ 2438.339836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.339836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2438.339836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2438.339836][   T10]      fib6_nh_init+0xa22/0x1580
[ 2438.339836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.339836][   T10]      ip6_route_add+0x1c/0x140
[ 2438.339836][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2438.339836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.339836][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.339836][   T10]      netlink_unicast+0x449/0x710
[ 2438.339836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.339836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.339836][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.339836][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.339836][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.339836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.339836][   T10] 
[ 2438.341728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.341728][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.341728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.341728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.341728][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2438.341728][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2438.341728][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2438.341728][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2438.341728][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2438.341728][   T10]      addrconf_dad_begin+0x310/0x670
[ 2438.341728][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2438.341728][   T10]      process_one_work+0x84d/0x18a0
[ 2438.341728][   T10]      worker_thread+0x587/0xd30
[ 2438.341728][   T10]      kthread+0x28a/0x350
[ 2438.341728][   T10]      ret_from_fork+0x31/0x70
[ 2438.341728][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2438.341728][   T10] 
[ 2438.343637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.343637][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.343637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.343637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.343637][   T10]      ip6_route_add+0x1c/0x140
[ 2438.343637][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2438.343637][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2438.343637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.343637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.343637][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.343637][   T10]      netlink_unicast+0x449/0x710
[ 2438.343637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.343637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.343637][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.343637][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.343637][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.343637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.343637][   T10] 
[ 2438.345652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.345652][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.345652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.345652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.345652][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2438.345652][   T10]      ipv6_add_addr+0x411/0x2000
[ 2438.345652][   T10]      inet6_addr_add+0x30e/0xa40
[ 2438.345652][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.345652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.345652][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.345652][   T10]      netlink_unicast+0x449/0x710
[ 2438.345652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.345652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.345652][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.345652][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.345652][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.345652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.345652][   T10] 
[ 2438.347663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.347663][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.347663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.347663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.347663][   T10]      ip6_route_add+0x1c/0x140
[ 2438.347663][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2438.347663][   T10]      addrconf_add_dev+0xe2/0x170
[ 2438.347663][   T10]      inet6_addr_add+0x12f/0xa40
[ 2438.347663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.347663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.347663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.347663][   T10]      netlink_unicast+0x449/0x710
[ 2438.347663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.347663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.347663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.347663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.347663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.347663][   T10] 
[ 2438.349669][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.349669][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2438.349669][   T10]      ipv6_find_idev+0x102/0x170
[ 2438.349669][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2438.349669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.349669][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.349669][   T10]      netlink_unicast+0x449/0x710
[ 2438.349669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.349669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.349669][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.349669][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.349669][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.349669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.349669][   T10] 
[ 2438.351206][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2438.351206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2438.351206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2438.351206][   T10]      ipv6_find_idev+0x102/0x170
[ 2438.351206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2438.351206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.351206][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.351206][   T10]      netlink_unicast+0x449/0x710
[ 2438.351206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.351206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.351206][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.351206][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.351206][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.351206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.351206][   T10] 
[ 2438.352996][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2438.353238][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.353238][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2438.353238][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2438.353238][   T10]      fib6_nh_init+0xa22/0x1580
[ 2438.353238][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.353238][   T10]      ip6_route_add+0x1c/0x140
[ 2438.353238][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2438.353238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.353238][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.353238][   T10]      netlink_unicast+0x449/0x710
[ 2438.353238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.353238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.353238][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.353238][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.353238][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.353238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.353238][   T10] 
[ 2438.355131][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.355131][   T10]      dst_init+0x84/0x4a0
[ 2438.355131][   T10]      dst_alloc+0x97/0x150
[ 2438.355131][   T10]      ip6_dst_alloc+0x23/0x90
[ 2438.355131][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2438.355131][   T10]      ip6_pol_route+0x56f/0x840
[ 2438.355131][   T10]      fib6_rule_lookup+0x456/0x630
[ 2438.355131][   T10]      ip6_route_input+0x59c/0xa50
[ 2438.355131][   T10]      ipv6_rcv+0x397/0x810
[ 2438.355131][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2438.355131][   T10]      process_backlog+0x101/0x620
[ 2438.355131][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2438.355131][   T10]      net_rx_action+0x495/0xbe0
[ 2438.355131][   T10]      __do_softirq+0x1b5/0x7f6
[ 2438.355131][   T10] 
[ 2438.356759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.356759][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.356759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.356759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.356759][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2438.356759][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2438.356759][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2438.356759][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2438.356759][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2438.356759][   T10]      addrconf_dad_begin+0x310/0x670
[ 2438.356759][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2438.356759][   T10]      process_one_work+0x84d/0x18a0
[ 2438.356759][   T10]      worker_thread+0x587/0xd30
[ 2438.356759][   T10]      kthread+0x28a/0x350
[ 2438.356759][   T10]      ret_from_fork+0x31/0x70
[ 2438.356759][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2438.356759][   T10] 
[ 2438.358665][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.358665][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.358665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.358665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.358665][   T10]      ip6_route_add+0x1c/0x140
[ 2438.358665][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2438.358665][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2438.358665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.358665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.358665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.358665][   T10]      netlink_unicast+0x449/0x710
[ 2438.358665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.358665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.358665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.358665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.358665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.358665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.358665][   T10] 
[ 2438.360667][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.360667][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.360667][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.360667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.360667][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2438.360667][   T10]      ipv6_add_addr+0x411/0x2000
[ 2438.360667][   T10]      inet6_addr_add+0x30e/0xa40
[ 2438.360667][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.360667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.360667][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.360667][   T10]      netlink_unicast+0x449/0x710
[ 2438.360667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.360667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.360667][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.360667][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.360667][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.360667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.360667][   T10] 
[ 2438.362670][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.362670][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.362670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.362670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.362670][   T10]      ip6_route_add+0x1c/0x140
[ 2438.362670][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2438.362670][   T10]      addrconf_add_dev+0xe2/0x170
[ 2438.362670][   T10]      inet6_addr_add+0x12f/0xa40
[ 2438.362670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.362670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.362670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.362670][   T10]      netlink_unicast+0x449/0x710
[ 2438.362670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.362670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.362670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.362670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.362670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.362670][   T10] 
[ 2438.364753][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.364753][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2438.364753][   T10]      ipv6_find_idev+0x102/0x170
[ 2438.364753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2438.364753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.364753][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.364753][   T10]      netlink_unicast+0x449/0x710
[ 2438.364753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.364753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.364753][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.364753][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.364753][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.364753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.364753][   T10] 
[ 2438.366470][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2438.366470][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2438.366470][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2438.366470][   T10]      ipv6_find_idev+0x102/0x170
[ 2438.366470][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2438.366470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.366470][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.366470][   T10]      netlink_unicast+0x449/0x710
[ 2438.366470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.366470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.366470][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.366470][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.366470][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.366470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.366470][   T10] 
[ 2438.368395][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2438.368708][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2438.368708][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.368708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.368708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.368708][   T10]      ip6_route_add+0x1c/0x140
[ 2438.368708][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2438.368708][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2438.368708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.368708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.368708][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.368708][   T10]      netlink_unicast+0x449/0x710
[ 2438.368708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.368708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.368708][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.368708][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.368708][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.368708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.368708][   T10] 
[ 2438.370877][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2438.370877][   T10]      netdev_get_by_index+0x5e/0x80
[ 2438.370877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2438.370877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2438.370877][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2438.370877][   T10]      ipv6_add_addr+0x411/0x2000
[ 2438.370877][   T10]      inet6_addr_add+0x30e/0xa40
[ 2438.370877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2438.370877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.370877][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.370877][   T10]      netlink_unicast+0x449/0x710
[ 2438.370877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.370877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.370877][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.370877][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.370877][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.370877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.370877][   T10] 
[ 2438.373042][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2438.373042][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2438.373042][   T10]      ipv6_find_idev+0x102/0x170
[ 2438.373042][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2438.373042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.373042][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.373042][   T10]      netlink_unicast+0x449/0x710
[ 2438.373042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.373042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.373042][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.373042][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.373042][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.373042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.373042][   T10] 
[ 2438.374756][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2438.374756][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2438.374756][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2438.374756][   T10]      ipv6_find_idev+0x102/0x170
[ 2438.374756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2438.374756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2438.374756][   T10]      netlink_rcv_skb+0x130/0x360
[ 2438.374756][   T10]      netlink_unicast+0x449/0x710
[ 2438.374756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2438.374756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2438.374756][   T10]      ___sys_sendmsg+0xee/0x170
[ 2438.374756][   T10]      __sys_sendmsg+0xcd/0x170
[ 2438.374756][   T10]      do_syscall_64+0xc6/0x1e0
[ 2438.374756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2438.374756][   T10] 
[ 2448.624641][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2448.625081][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.625081][   T10]      dst_init+0x84/0x4a0
[ 2448.625081][   T10]      dst_alloc+0x97/0x150
[ 2448.625081][   T10]      ip6_dst_alloc+0x23/0x90
[ 2448.625081][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2448.625081][   T10]      ip6_pol_route+0x56f/0x840
[ 2448.625081][   T10]      fib6_rule_lookup+0x456/0x630
[ 2448.625081][   T10]      ip6_route_input+0x59c/0xa50
[ 2448.625081][   T10]      ipv6_rcv+0x397/0x810
[ 2448.625081][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2448.625081][   T10]      process_backlog+0x101/0x620
[ 2448.625081][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2448.625081][   T10]      net_rx_action+0x495/0xbe0
[ 2448.625081][   T10]      __do_softirq+0x1b5/0x7f6
[ 2448.625081][   T10] 
[ 2448.626960][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.626960][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2448.626960][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2448.626960][   T10]      fib6_nh_init+0xa22/0x1580
[ 2448.626960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.626960][   T10]      ip6_route_add+0x1c/0x140
[ 2448.626960][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2448.626960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.626960][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.626960][   T10]      netlink_unicast+0x449/0x710
[ 2448.626960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.626960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.626960][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.626960][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.626960][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.626960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.626960][   T10] 
[ 2448.629072][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.629072][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.629072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.629072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.629072][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2448.629072][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2448.629072][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2448.629072][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2448.629072][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2448.629072][   T10]      addrconf_dad_begin+0x310/0x670
[ 2448.629072][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2448.629072][   T10]      process_one_work+0x84d/0x18a0
[ 2448.629072][   T10]      worker_thread+0x587/0xd30
[ 2448.629072][   T10]      kthread+0x28a/0x350
[ 2448.629072][   T10]      ret_from_fork+0x31/0x70
[ 2448.629072][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2448.629072][   T10] 
[ 2448.631196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.631196][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.631196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.631196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.631196][   T10]      ip6_route_add+0x1c/0x140
[ 2448.631196][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2448.631196][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2448.631196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.631196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.631196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.631196][   T10]      netlink_unicast+0x449/0x710
[ 2448.631196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.631196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.631196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.631196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.631196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.631196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.631196][   T10] 
[ 2448.633558][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.633558][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.633558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.633558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.633558][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2448.633558][   T10]      ipv6_add_addr+0x411/0x2000
[ 2448.633558][   T10]      inet6_addr_add+0x30e/0xa40
[ 2448.633558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.633558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.633558][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.633558][   T10]      netlink_unicast+0x449/0x710
[ 2448.633558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.633558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.633558][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.633558][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.633558][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.633558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.633558][   T10] 
[ 2448.635820][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.635820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.635820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.635820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.635820][   T10]      ip6_route_add+0x1c/0x140
[ 2448.635820][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2448.635820][   T10]      addrconf_add_dev+0xe2/0x170
[ 2448.635820][   T10]      inet6_addr_add+0x12f/0xa40
[ 2448.635820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.635820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.635820][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.635820][   T10]      netlink_unicast+0x449/0x710
[ 2448.635820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.635820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.635820][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.635820][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.635820][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.635820][   T10] 
[ 2448.638049][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.638049][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2448.638049][   T10]      ipv6_find_idev+0x102/0x170
[ 2448.638049][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2448.638049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.638049][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.638049][   T10]      netlink_unicast+0x449/0x710
[ 2448.638049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.638049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.638049][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.638049][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.638049][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.638049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.638049][   T10] 
[ 2448.639785][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2448.639785][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2448.639785][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2448.639785][   T10]      ipv6_find_idev+0x102/0x170
[ 2448.639785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2448.639785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.639785][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.639785][   T10]      netlink_unicast+0x449/0x710
[ 2448.639785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.639785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.639785][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.639785][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.639785][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.639785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.639785][   T10] 
[ 2448.641713][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2448.641979][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.641979][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2448.641979][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2448.641979][   T10]      fib6_nh_init+0xa22/0x1580
[ 2448.641979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.641979][   T10]      ip6_route_add+0x1c/0x140
[ 2448.641979][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2448.641979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.641979][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.641979][   T10]      netlink_unicast+0x449/0x710
[ 2448.641979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.641979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.641979][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.641979][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.641979][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.641979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.641979][   T10] 
[ 2448.644109][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.644109][   T10]      dst_init+0x84/0x4a0
[ 2448.644109][   T10]      dst_alloc+0x97/0x150
[ 2448.644109][   T10]      ip6_dst_alloc+0x23/0x90
[ 2448.644109][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2448.644109][   T10]      ip6_pol_route+0x56f/0x840
[ 2448.644109][   T10]      fib6_rule_lookup+0x456/0x630
[ 2448.644109][   T10]      ip6_route_input+0x59c/0xa50
[ 2448.644109][   T10]      ipv6_rcv+0x397/0x810
[ 2448.644109][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2448.644109][   T10]      process_backlog+0x101/0x620
[ 2448.644109][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2448.644109][   T10]      net_rx_action+0x495/0xbe0
[ 2448.644109][   T10]      __do_softirq+0x1b5/0x7f6
[ 2448.644109][   T10] 
[ 2448.645932][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.645932][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.645932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.645932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.645932][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2448.645932][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2448.645932][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2448.645932][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2448.645932][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2448.645932][   T10]      addrconf_dad_begin+0x310/0x670
[ 2448.645932][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2448.645932][   T10]      process_one_work+0x84d/0x18a0
[ 2448.645932][   T10]      worker_thread+0x587/0xd30
[ 2448.645932][   T10]      kthread+0x28a/0x350
[ 2448.645932][   T10]      ret_from_fork+0x31/0x70
[ 2448.645932][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2448.645932][   T10] 
[ 2448.648076][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.648076][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.648076][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.648076][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.648076][   T10]      ip6_route_add+0x1c/0x140
[ 2448.648076][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2448.648076][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2448.648076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.648076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.648076][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.648076][   T10]      netlink_unicast+0x449/0x710
[ 2448.648076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.648076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.648076][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.648076][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.648076][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.648076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.648076][   T10] 
[ 2448.650335][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.650335][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.650335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.650335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.650335][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2448.650335][   T10]      ipv6_add_addr+0x411/0x2000
[ 2448.650335][   T10]      inet6_addr_add+0x30e/0xa40
[ 2448.650335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.650335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.650335][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.650335][   T10]      netlink_unicast+0x449/0x710
[ 2448.650335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.650335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.650335][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.650335][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.650335][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.650335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.650335][   T10] 
[ 2448.652597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.652597][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.652597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.652597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.652597][   T10]      ip6_route_add+0x1c/0x140
[ 2448.652597][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2448.652597][   T10]      addrconf_add_dev+0xe2/0x170
[ 2448.652597][   T10]      inet6_addr_add+0x12f/0xa40
[ 2448.652597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.652597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.652597][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.652597][   T10]      netlink_unicast+0x449/0x710
[ 2448.652597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.652597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.652597][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.652597][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.652597][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.652597][   T10] 
[ 2448.654946][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.654946][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2448.654946][   T10]      ipv6_find_idev+0x102/0x170
[ 2448.654946][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2448.654946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.654946][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.654946][   T10]      netlink_unicast+0x449/0x710
[ 2448.654946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.654946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.654946][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.654946][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.654946][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.654946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.654946][   T10] 
[ 2448.656921][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2448.656921][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2448.656921][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2448.656921][   T10]      ipv6_find_idev+0x102/0x170
[ 2448.656921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2448.656921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.656921][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.656921][   T10]      netlink_unicast+0x449/0x710
[ 2448.656921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.656921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.656921][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.656921][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.656921][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.656921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.656921][   T10] 
[ 2448.659061][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2448.659323][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2448.659323][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.659323][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.659323][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.659323][   T10]      ip6_route_add+0x1c/0x140
[ 2448.659323][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2448.659323][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2448.659323][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.659323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.659323][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.659323][   T10]      netlink_unicast+0x449/0x710
[ 2448.659323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.659323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.659323][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.659323][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.659323][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.659323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.659323][   T10] 
[ 2448.661807][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2448.661807][   T10]      netdev_get_by_index+0x5e/0x80
[ 2448.661807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2448.661807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2448.661807][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2448.661807][   T10]      ipv6_add_addr+0x411/0x2000
[ 2448.661807][   T10]      inet6_addr_add+0x30e/0xa40
[ 2448.661807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2448.661807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.661807][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.661807][   T10]      netlink_unicast+0x449/0x710
[ 2448.661807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.661807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.661807][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.661807][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.661807][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.661807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.661807][   T10] 
[ 2448.664211][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2448.664211][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2448.664211][   T10]      ipv6_find_idev+0x102/0x170
[ 2448.664211][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2448.664211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.664211][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.664211][   T10]      netlink_unicast+0x449/0x710
[ 2448.664211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.664211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.664211][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.664211][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.664211][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.664211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.664211][   T10] 
[ 2448.666124][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2448.666124][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2448.666124][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2448.666124][   T10]      ipv6_find_idev+0x102/0x170
[ 2448.666124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2448.666124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2448.666124][   T10]      netlink_rcv_skb+0x130/0x360
[ 2448.666124][   T10]      netlink_unicast+0x449/0x710
[ 2448.666124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2448.666124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2448.666124][   T10]      ___sys_sendmsg+0xee/0x170
[ 2448.666124][   T10]      __sys_sendmsg+0xcd/0x170
[ 2448.666124][   T10]      do_syscall_64+0xc6/0x1e0
[ 2448.666124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2448.666124][   T10] 
[ 2458.920716][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2458.920813][   T42] INFO: task modprobe:7622 blocked for more than 983 seconds.
[ 2458.921249][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.921249][   T10]      dst_init+0x84/0x4a0
[ 2458.921249][   T10]      dst_alloc+0x97/0x150
[ 2458.921249][   T10]      ip6_dst_alloc+0x23/0x90
[ 2458.921249][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2458.921249][   T10]      ip6_pol_route+0x56f/0x840
[ 2458.921249][   T10]      fib6_rule_lookup+0x456/0x630
[ 2458.921249][   T10]      ip6_route_input+0x59c/0xa50
[ 2458.921249][   T10]      ipv6_rcv+0x397/0x810
[ 2458.921249][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2458.921249][   T10]      process_backlog+0x101/0x620
[ 2458.921249][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2458.921249][   T10]      net_rx_action+0x495/0xbe0
[ 2458.921249][   T10]      __do_softirq+0x1b5/0x7f6
[ 2458.921249][   T10] 
[ 2458.921786][   T42]       Not tainted 6.8.0-virtme #1
[ 2458.923668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.923668][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2458.923668][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2458.923668][   T10]      fib6_nh_init+0xa22/0x1580
[ 2458.923668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.923668][   T10]      ip6_route_add+0x1c/0x140
[ 2458.923668][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2458.923668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.923668][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.923668][   T10]      netlink_unicast+0x449/0x710
[ 2458.923668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.923668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.923668][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.923668][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.923668][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.923668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.923668][   T10] 
[ 2458.923774][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2458.923778][   T42] task:modprobe        state:D
[ 2458.925927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.925927][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.925927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.925927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.925927][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2458.925927][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2458.925927][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2458.925927][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2458.925927][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2458.925927][   T10]      addrconf_dad_begin+0x310/0x670
[ 2458.925927][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2458.925927][   T10]      process_one_work+0x84d/0x18a0
[ 2458.925927][   T10]      worker_thread+0x587/0xd30
[ 2458.925927][   T10]      kthread+0x28a/0x350
[ 2458.925927][   T10]      ret_from_fork+0x31/0x70
[ 2458.925927][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2458.925927][   T10] 
[ 2458.926148][   T42]  stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 2458.926309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.926309][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.926309][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.926309][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.926309][   T10]      ip6_route_add+0x1c/0x140
[ 2458.926309][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2458.926309][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2458.926309][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.926309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.926309][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.926309][   T10]      netlink_unicast+0x449/0x710
[ 2458.926309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.926309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.926309][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.926309][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.926309][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.926309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.926309][   T10] 
[ 2458.928084][   T42] Call Trace:
[ 2458.928323][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.928323][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.928323][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.928323][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.928323][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2458.928323][   T10]      ipv6_add_addr+0x411/0x2000
[ 2458.928323][   T10]      inet6_addr_add+0x30e/0xa40
[ 2458.928323][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.928323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.928323][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.928323][   T10]      netlink_unicast+0x449/0x710
[ 2458.928323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.928323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.928323][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.928323][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.928323][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.928323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.928323][   T10] 
[ 2458.930255][   T42]  <TASK>
[ 2458.930385][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.930385][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.930385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.930385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.930385][   T10]      ip6_route_add+0x1c/0x140
[ 2458.930385][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2458.930385][   T10]      addrconf_add_dev+0xe2/0x170
[ 2458.930385][   T10]      inet6_addr_add+0x12f/0xa40
[ 2458.930385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.930385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.930385][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.930385][   T10]      netlink_unicast+0x449/0x710
[ 2458.930385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.930385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.930385][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.930385][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.930385][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.930385][   T10] 
[ 2458.932284][   T42]  __schedule+0x705/0x1ac0
[ 2458.932362][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.932362][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2458.932362][   T10]      ipv6_find_idev+0x102/0x170
[ 2458.932362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2458.932362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.932362][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.932362][   T10]      netlink_unicast+0x449/0x710
[ 2458.932362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.932362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.932362][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.932362][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.932362][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.932362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.932362][   T10] 
[ 2458.934258][   T42]  ? __pfx___schedule+0x10/0x10
[ 2458.934404][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2458.934404][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2458.934404][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2458.934404][   T10]      ipv6_find_idev+0x102/0x170
[ 2458.934404][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2458.934404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.934404][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.934404][   T10]      netlink_unicast+0x449/0x710
[ 2458.934404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.934404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.934404][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.934404][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.934404][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.934404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.934404][   T10] 
[ 2458.935875][   T42]  ? schedule+0x1a5/0x210
[ 2458.936065][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2458.937694][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2458.937862][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.937862][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2458.937862][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2458.937862][   T10]      fib6_nh_init+0xa22/0x1580
[ 2458.937862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.937862][   T10]      ip6_route_add+0x1c/0x140
[ 2458.937862][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2458.937862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.937862][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.937862][   T10]      netlink_unicast+0x449/0x710
[ 2458.937862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.937862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.937862][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.937862][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.937862][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.937862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.937862][   T10] 
[ 2458.937997][   T42]  ? mark_lock+0x38/0x3e0
[ 2458.938153][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.938153][   T10]      dst_init+0x84/0x4a0
[ 2458.938153][   T10]      dst_alloc+0x97/0x150
[ 2458.938153][   T10]      ip6_dst_alloc+0x23/0x90
[ 2458.938153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2458.938153][   T10]      ip6_pol_route+0x56f/0x840
[ 2458.938153][   T10]      fib6_rule_lookup+0x456/0x630
[ 2458.938153][   T10]      ip6_route_input+0x59c/0xa50
[ 2458.938153][   T10]      ipv6_rcv+0x397/0x810
[ 2458.938153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2458.938153][   T10]      process_backlog+0x101/0x620
[ 2458.938153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2458.938153][   T10]      net_rx_action+0x495/0xbe0
[ 2458.938153][   T10]      __do_softirq+0x1b5/0x7f6
[ 2458.938153][   T10] 
[ 2458.939924][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2458.940044][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.940044][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.940044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.940044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.940044][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2458.940044][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2458.940044][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2458.940044][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2458.940044][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2458.940044][   T10]      addrconf_dad_begin+0x310/0x670
[ 2458.940044][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2458.940044][   T10]      process_one_work+0x84d/0x18a0
[ 2458.940044][   T10]      worker_thread+0x587/0xd30
[ 2458.940044][   T10]      kthread+0x28a/0x350
[ 2458.940044][   T10]      ret_from_fork+0x31/0x70
[ 2458.940044][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2458.940044][   T10] 
[ 2458.941621][   T42]  ? schedule+0x1a5/0x210
[ 2458.941769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.941769][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.941769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.941769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.941769][   T10]      ip6_route_add+0x1c/0x140
[ 2458.941769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2458.941769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2458.941769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.941769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.941769][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.941769][   T10]      netlink_unicast+0x449/0x710
[ 2458.941769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.941769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.941769][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.941769][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.941769][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.941769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.941769][   T10] 
[ 2458.943571][   T42]  schedule+0xdf/0x210
[ 2458.943686][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.943686][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.943686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.943686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.943686][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2458.943686][   T10]      ipv6_add_addr+0x411/0x2000
[ 2458.943686][   T10]      inet6_addr_add+0x30e/0xa40
[ 2458.943686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.943686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.943686][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.943686][   T10]      netlink_unicast+0x449/0x710
[ 2458.943686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.943686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.943686][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.943686][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.943686][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.943686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.943686][   T10] 
[ 2458.945578][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2458.945702][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.945702][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.945702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.945702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.945702][   T10]      ip6_route_add+0x1c/0x140
[ 2458.945702][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2458.945702][   T10]      addrconf_add_dev+0xe2/0x170
[ 2458.945702][   T10]      inet6_addr_add+0x12f/0xa40
[ 2458.945702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.945702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.945702][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.945702][   T10]      netlink_unicast+0x449/0x710
[ 2458.945702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.945702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.945702][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.945702][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.945702][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.945702][   T10] 
[ 2458.947578][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2458.947727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.947727][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2458.947727][   T10]      ipv6_find_idev+0x102/0x170
[ 2458.947727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2458.947727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.947727][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.947727][   T10]      netlink_unicast+0x449/0x710
[ 2458.947727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.947727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.947727][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.947727][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.947727][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.947727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.947727][   T10] 
[ 2458.949801][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2458.949947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2458.949947][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2458.949947][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2458.949947][   T10]      ipv6_find_idev+0x102/0x170
[ 2458.949947][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2458.949947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.949947][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.949947][   T10]      netlink_unicast+0x449/0x710
[ 2458.949947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.949947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.949947][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.949947][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.949947][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.949947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.949947][   T10] 
[ 2458.951462][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 2458.951676][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2458.953338][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2458.953610][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2458.953610][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.953610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.953610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.953610][   T10]      ip6_route_add+0x1c/0x140
[ 2458.953610][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2458.953610][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2458.953610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.953610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.953610][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.953610][   T10]      netlink_unicast+0x449/0x710
[ 2458.953610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.953610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.953610][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.953610][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.953610][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.953610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.953610][   T10] 
[ 2458.953755][   T42]  ? lock_acquire+0x1c1/0x220
[ 2458.953902][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2458.953902][   T10]      netdev_get_by_index+0x5e/0x80
[ 2458.953902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2458.953902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2458.953902][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2458.953902][   T10]      ipv6_add_addr+0x411/0x2000
[ 2458.953902][   T10]      inet6_addr_add+0x30e/0xa40
[ 2458.953902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2458.953902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.953902][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.953902][   T10]      netlink_unicast+0x449/0x710
[ 2458.953902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.953902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.953902][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.953902][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.953902][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.953902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.953902][   T10] 
[ 2458.955936][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2458.956086][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2458.956086][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2458.956086][   T10]      ipv6_find_idev+0x102/0x170
[ 2458.956086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2458.956086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.956086][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.956086][   T10]      netlink_unicast+0x449/0x710
[ 2458.956086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.956086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.956086][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.956086][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.956086][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.956086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.956086][   T10] 
[ 2458.958109][   T42]  down_write+0x1c9/0x200
[ 2458.958252][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2458.958252][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2458.958252][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2458.958252][   T10]      ipv6_find_idev+0x102/0x170
[ 2458.958252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2458.958252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2458.958252][   T10]      netlink_rcv_skb+0x130/0x360
[ 2458.958252][   T10]      netlink_unicast+0x449/0x710
[ 2458.958252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2458.958252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2458.958252][   T10]      ___sys_sendmsg+0xee/0x170
[ 2458.958252][   T10]      __sys_sendmsg+0xcd/0x170
[ 2458.958252][   T10]      do_syscall_64+0xc6/0x1e0
[ 2458.958252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.958252][   T10] 
[ 2458.959758][   T42]  ? __pfx_down_write+0x10/0x10
[ 2458.961790][   T42]  ? __pfx__printk+0x10/0x10
[ 2458.961985][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2458.962112][   T42]  register_pernet_subsys+0x1a/0x50
[ 2458.962238][   T42]  tcf_register_action+0xa3/0x600
[ 2458.962363][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 2458.962522][   T42]  do_one_initcall+0xc8/0x3f0
[ 2458.962656][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2458.962786][   T42]  ? __create_object+0x5e/0xb0
[ 2458.962914][   T42]  ? kasan_unpoison+0x27/0x60
[ 2458.963103][   T42]  do_init_module+0x233/0x740
[ 2458.963241][   T42]  load_module+0x16b5/0x2350
[ 2458.963377][   T42]  ? __pfx_load_module+0x10/0x10
[ 2458.963500][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2458.963639][   T42]  ? kernel_read_file+0x300/0x520
[ 2458.963766][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2458.963896][   T42]  ? init_module_from_file+0xd2/0x130
[ 2458.964023][   T42]  init_module_from_file+0xd2/0x130
[ 2458.964146][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2458.964359][   T42]  ? __lock_release+0x103/0x460
[ 2458.964486][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2458.964652][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2458.964796][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2458.964925][   T42]  idempotent_init_module+0x342/0x620
[ 2458.965051][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2458.965221][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2458.965350][   T42]  do_syscall_64+0xc6/0x1e0
[ 2458.965542][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2458.965704][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 2458.965831][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2458.966024][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 2458.966208][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 2458.966389][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 2458.966648][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 2458.966830][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 2458.967024][   T42]  </TASK>
[ 2458.967121][   T42] 
[ 2458.967121][   T42] Showing all locks held in the system:
[ 2458.967295][   T42] 4 locks held by kworker/u16:0/10:
[ 2458.967414][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2458.967740][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2458.967962][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2458.968177][   T42]  #3: ffffffff98b6da00 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4e/0x6e0
[ 2458.968401][   T42] 2 locks held by kworker/u20:0/39:
[ 2458.968520][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2458.968777][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2458.969050][   T42] 1 lock held by khungtaskd/42:
[ 2458.969167][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2458.969465][   T42] 1 lock held by modprobe/7622:
[ 2458.969596][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2458.969841][   T42] 
[ 2458.969902][   T42] =============================================
[ 2458.969902][   T42] 
[ 2468.968770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2468.969703][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.969703][   T10]      dst_init+0x84/0x4a0
[ 2468.969703][   T10]      dst_alloc+0x97/0x150
[ 2468.969703][   T10]      ip6_dst_alloc+0x23/0x90
[ 2468.969703][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2468.969703][   T10]      ip6_pol_route+0x56f/0x840
[ 2468.969703][   T10]      fib6_rule_lookup+0x456/0x630
[ 2468.969703][   T10]      ip6_route_input+0x59c/0xa50
[ 2468.969703][   T10]      ipv6_rcv+0x397/0x810
[ 2468.969703][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2468.969703][   T10]      process_backlog+0x101/0x620
[ 2468.969703][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2468.969703][   T10]      net_rx_action+0x495/0xbe0
[ 2468.969703][   T10]      __do_softirq+0x1b5/0x7f6
[ 2468.969703][   T10] 
[ 2468.971491][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.971491][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2468.971491][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2468.971491][   T10]      fib6_nh_init+0xa22/0x1580
[ 2468.971491][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.971491][   T10]      ip6_route_add+0x1c/0x140
[ 2468.971491][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2468.971491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.971491][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.971491][   T10]      netlink_unicast+0x449/0x710
[ 2468.971491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.971491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.971491][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.971491][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.971491][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.971491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.971491][   T10] 
[ 2468.973342][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.973342][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.973342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.973342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.973342][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2468.973342][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2468.973342][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2468.973342][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2468.973342][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2468.973342][   T10]      addrconf_dad_begin+0x310/0x670
[ 2468.973342][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2468.973342][   T10]      process_one_work+0x84d/0x18a0
[ 2468.973342][   T10]      worker_thread+0x587/0xd30
[ 2468.973342][   T10]      kthread+0x28a/0x350
[ 2468.973342][   T10]      ret_from_fork+0x31/0x70
[ 2468.973342][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2468.973342][   T10] 
[ 2468.975219][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.975219][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.975219][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.975219][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.975219][   T10]      ip6_route_add+0x1c/0x140
[ 2468.975219][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2468.975219][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2468.975219][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2468.975219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.975219][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.975219][   T10]      netlink_unicast+0x449/0x710
[ 2468.975219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.975219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.975219][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.975219][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.975219][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.975219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.975219][   T10] 
[ 2468.977220][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.977220][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.977220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.977220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.977220][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2468.977220][   T10]      ipv6_add_addr+0x411/0x2000
[ 2468.977220][   T10]      inet6_addr_add+0x30e/0xa40
[ 2468.977220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2468.977220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.977220][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.977220][   T10]      netlink_unicast+0x449/0x710
[ 2468.977220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.977220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.977220][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.977220][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.977220][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.977220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.977220][   T10] 
[ 2468.979235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.979235][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.979235][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.979235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.979235][   T10]      ip6_route_add+0x1c/0x140
[ 2468.979235][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2468.979235][   T10]      addrconf_add_dev+0xe2/0x170
[ 2468.979235][   T10]      inet6_addr_add+0x12f/0xa40
[ 2468.979235][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2468.979235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.979235][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.979235][   T10]      netlink_unicast+0x449/0x710
[ 2468.979235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.979235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.979235][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.979235][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.979235][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.979235][   T10] 
[ 2468.981147][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.981147][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2468.981147][   T10]      ipv6_find_idev+0x102/0x170
[ 2468.981147][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2468.981147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.981147][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.981147][   T10]      netlink_unicast+0x449/0x710
[ 2468.981147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.981147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.981147][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.981147][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.981147][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.981147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.981147][   T10] 
[ 2468.982652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2468.982652][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2468.982652][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2468.982652][   T10]      ipv6_find_idev+0x102/0x170
[ 2468.982652][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2468.982652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.982652][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.982652][   T10]      netlink_unicast+0x449/0x710
[ 2468.982652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.982652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.982652][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.982652][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.982652][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.982652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.982652][   T10] 
[ 2468.984322][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2468.984576][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.984576][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2468.984576][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2468.984576][   T10]      fib6_nh_init+0xa22/0x1580
[ 2468.984576][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.984576][   T10]      ip6_route_add+0x1c/0x140
[ 2468.984576][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2468.984576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.984576][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.984576][   T10]      netlink_unicast+0x449/0x710
[ 2468.984576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.984576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.984576][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.984576][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.984576][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.984576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.984576][   T10] 
[ 2468.986469][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.986469][   T10]      dst_init+0x84/0x4a0
[ 2468.986469][   T10]      dst_alloc+0x97/0x150
[ 2468.986469][   T10]      ip6_dst_alloc+0x23/0x90
[ 2468.986469][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2468.986469][   T10]      ip6_pol_route+0x56f/0x840
[ 2468.986469][   T10]      fib6_rule_lookup+0x456/0x630
[ 2468.986469][   T10]      ip6_route_input+0x59c/0xa50
[ 2468.986469][   T10]      ipv6_rcv+0x397/0x810
[ 2468.986469][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2468.986469][   T10]      process_backlog+0x101/0x620
[ 2468.986469][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2468.986469][   T10]      net_rx_action+0x495/0xbe0
[ 2468.986469][   T10]      __do_softirq+0x1b5/0x7f6
[ 2468.986469][   T10] 
[ 2468.988606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.988606][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.988606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.988606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.988606][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2468.988606][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2468.988606][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2468.988606][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2468.988606][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2468.988606][   T10]      addrconf_dad_begin+0x310/0x670
[ 2468.988606][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2468.988606][   T10]      process_one_work+0x84d/0x18a0
[ 2468.988606][   T10]      worker_thread+0x587/0xd30
[ 2468.988606][   T10]      kthread+0x28a/0x350
[ 2468.988606][   T10]      ret_from_fork+0x31/0x70
[ 2468.988606][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2468.988606][   T10] 
[ 2468.990533][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.990533][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.990533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.990533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.990533][   T10]      ip6_route_add+0x1c/0x140
[ 2468.990533][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2468.990533][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2468.990533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2468.990533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.990533][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.990533][   T10]      netlink_unicast+0x449/0x710
[ 2468.990533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.990533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.990533][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.990533][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.990533][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.990533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.990533][   T10] 
[ 2468.992548][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.992548][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.992548][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.992548][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.992548][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2468.992548][   T10]      ipv6_add_addr+0x411/0x2000
[ 2468.992548][   T10]      inet6_addr_add+0x30e/0xa40
[ 2468.992548][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2468.992548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.992548][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.992548][   T10]      netlink_unicast+0x449/0x710
[ 2468.992548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.992548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.992548][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.992548][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.992548][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.992548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.992548][   T10] 
[ 2468.994553][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.994553][   T10]      netdev_get_by_index+0x5e/0x80
[ 2468.994553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2468.994553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2468.994553][   T10]      ip6_route_add+0x1c/0x140
[ 2468.994553][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2468.994553][   T10]      addrconf_add_dev+0xe2/0x170
[ 2468.994553][   T10]      inet6_addr_add+0x12f/0xa40
[ 2468.994553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2468.994553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.994553][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.994553][   T10]      netlink_unicast+0x449/0x710
[ 2468.994553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.994553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.994553][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.994553][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.994553][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.994553][   T10] 
[ 2468.996557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.996557][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2468.996557][   T10]      ipv6_find_idev+0x102/0x170
[ 2468.996557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2468.996557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.996557][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.996557][   T10]      netlink_unicast+0x449/0x710
[ 2468.996557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.996557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.996557][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.996557][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.996557][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.996557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.996557][   T10] 
[ 2468.998330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2468.998330][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2468.998330][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2468.998330][   T10]      ipv6_find_idev+0x102/0x170
[ 2468.998330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2468.998330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2468.998330][   T10]      netlink_rcv_skb+0x130/0x360
[ 2468.998330][   T10]      netlink_unicast+0x449/0x710
[ 2468.998330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2468.998330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2468.998330][   T10]      ___sys_sendmsg+0xee/0x170
[ 2468.998330][   T10]      __sys_sendmsg+0xcd/0x170
[ 2468.998330][   T10]      do_syscall_64+0xc6/0x1e0
[ 2468.998330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2468.998330][   T10] 
[ 2469.000170][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2469.000489][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2469.000489][   T10]      netdev_get_by_index+0x5e/0x80
[ 2469.000489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2469.000489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2469.000489][   T10]      ip6_route_add+0x1c/0x140
[ 2469.000489][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2469.000489][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2469.000489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2469.000489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2469.000489][   T10]      netlink_rcv_skb+0x130/0x360
[ 2469.000489][   T10]      netlink_unicast+0x449/0x710
[ 2469.000489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2469.000489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2469.000489][   T10]      ___sys_sendmsg+0xee/0x170
[ 2469.000489][   T10]      __sys_sendmsg+0xcd/0x170
[ 2469.000489][   T10]      do_syscall_64+0xc6/0x1e0
[ 2469.000489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2469.000489][   T10] 
[ 2469.002673][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2469.002673][   T10]      netdev_get_by_index+0x5e/0x80
[ 2469.002673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2469.002673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2469.002673][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2469.002673][   T10]      ipv6_add_addr+0x411/0x2000
[ 2469.002673][   T10]      inet6_addr_add+0x30e/0xa40
[ 2469.002673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2469.002673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2469.002673][   T10]      netlink_rcv_skb+0x130/0x360
[ 2469.002673][   T10]      netlink_unicast+0x449/0x710
[ 2469.002673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2469.002673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2469.002673][   T10]      ___sys_sendmsg+0xee/0x170
[ 2469.002673][   T10]      __sys_sendmsg+0xcd/0x170
[ 2469.002673][   T10]      do_syscall_64+0xc6/0x1e0
[ 2469.002673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2469.002673][   T10] 
[ 2469.005151][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2469.005151][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2469.005151][   T10]      ipv6_find_idev+0x102/0x170
[ 2469.005151][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2469.005151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2469.005151][   T10]      netlink_rcv_skb+0x130/0x360
[ 2469.005151][   T10]      netlink_unicast+0x449/0x710
[ 2469.005151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2469.005151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2469.005151][   T10]      ___sys_sendmsg+0xee/0x170
[ 2469.005151][   T10]      __sys_sendmsg+0xcd/0x170
[ 2469.005151][   T10]      do_syscall_64+0xc6/0x1e0
[ 2469.005151][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2469.005151][   T10] 
[ 2469.006893][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2469.006893][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2469.006893][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2469.006893][   T10]      ipv6_find_idev+0x102/0x170
[ 2469.006893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2469.006893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2469.006893][   T10]      netlink_rcv_skb+0x130/0x360
[ 2469.006893][   T10]      netlink_unicast+0x449/0x710
[ 2469.006893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2469.006893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2469.006893][   T10]      ___sys_sendmsg+0xee/0x170
[ 2469.006893][   T10]      __sys_sendmsg+0xcd/0x170
[ 2469.006893][   T10]      do_syscall_64+0xc6/0x1e0
[ 2469.006893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2469.006893][   T10] 
[ 2479.248782][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2479.249301][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.249301][   T10]      dst_init+0x84/0x4a0
[ 2479.249301][   T10]      dst_alloc+0x97/0x150
[ 2479.249301][   T10]      ip6_dst_alloc+0x23/0x90
[ 2479.249301][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2479.249301][   T10]      ip6_pol_route+0x56f/0x840
[ 2479.249301][   T10]      fib6_rule_lookup+0x456/0x630
[ 2479.249301][   T10]      ip6_route_input+0x59c/0xa50
[ 2479.249301][   T10]      ipv6_rcv+0x397/0x810
[ 2479.249301][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2479.249301][   T10]      process_backlog+0x101/0x620
[ 2479.249301][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2479.249301][   T10]      net_rx_action+0x495/0xbe0
[ 2479.249301][   T10]      __do_softirq+0x1b5/0x7f6
[ 2479.249301][   T10] 
[ 2479.250982][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.250982][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2479.250982][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2479.250982][   T10]      fib6_nh_init+0xa22/0x1580
[ 2479.250982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.250982][   T10]      ip6_route_add+0x1c/0x140
[ 2479.250982][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2479.250982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.250982][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.250982][   T10]      netlink_unicast+0x449/0x710
[ 2479.250982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.250982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.250982][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.250982][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.250982][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.250982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.250982][   T10] 
[ 2479.252823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.252823][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.252823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.252823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.252823][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2479.252823][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2479.252823][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2479.252823][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2479.252823][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2479.252823][   T10]      addrconf_dad_begin+0x310/0x670
[ 2479.252823][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2479.252823][   T10]      process_one_work+0x84d/0x18a0
[ 2479.252823][   T10]      worker_thread+0x587/0xd30
[ 2479.252823][   T10]      kthread+0x28a/0x350
[ 2479.252823][   T10]      ret_from_fork+0x31/0x70
[ 2479.252823][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2479.252823][   T10] 
[ 2479.254696][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.254696][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.254696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.254696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.254696][   T10]      ip6_route_add+0x1c/0x140
[ 2479.254696][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2479.254696][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2479.254696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.254696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.254696][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.254696][   T10]      netlink_unicast+0x449/0x710
[ 2479.254696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.254696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.254696][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.254696][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.254696][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.254696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.254696][   T10] 
[ 2479.256659][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.256659][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.256659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.256659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.256659][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2479.256659][   T10]      ipv6_add_addr+0x411/0x2000
[ 2479.256659][   T10]      inet6_addr_add+0x30e/0xa40
[ 2479.256659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.256659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.256659][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.256659][   T10]      netlink_unicast+0x449/0x710
[ 2479.256659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.256659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.256659][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.256659][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.256659][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.256659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.256659][   T10] 
[ 2479.258620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.258620][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.258620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.258620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.258620][   T10]      ip6_route_add+0x1c/0x140
[ 2479.258620][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2479.258620][   T10]      addrconf_add_dev+0xe2/0x170
[ 2479.258620][   T10]      inet6_addr_add+0x12f/0xa40
[ 2479.258620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.258620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.258620][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.258620][   T10]      netlink_unicast+0x449/0x710
[ 2479.258620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.258620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.258620][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.258620][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.258620][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.258620][   T10] 
[ 2479.260543][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.260543][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2479.260543][   T10]      ipv6_find_idev+0x102/0x170
[ 2479.260543][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2479.260543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.260543][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.260543][   T10]      netlink_unicast+0x449/0x710
[ 2479.260543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.260543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.260543][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.260543][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.260543][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.260543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.260543][   T10] 
[ 2479.262044][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2479.262044][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2479.262044][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2479.262044][   T10]      ipv6_find_idev+0x102/0x170
[ 2479.262044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2479.262044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.262044][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.262044][   T10]      netlink_unicast+0x449/0x710
[ 2479.262044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.262044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.262044][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.262044][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.262044][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.262044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.262044][   T10] 
[ 2479.263742][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2479.264001][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.264001][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2479.264001][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2479.264001][   T10]      fib6_nh_init+0xa22/0x1580
[ 2479.264001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.264001][   T10]      ip6_route_add+0x1c/0x140
[ 2479.264001][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2479.264001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.264001][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.264001][   T10]      netlink_unicast+0x449/0x710
[ 2479.264001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.264001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.264001][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.264001][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.264001][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.264001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.264001][   T10] 
[ 2479.265889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.265889][   T10]      dst_init+0x84/0x4a0
[ 2479.265889][   T10]      dst_alloc+0x97/0x150
[ 2479.265889][   T10]      ip6_dst_alloc+0x23/0x90
[ 2479.265889][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2479.265889][   T10]      ip6_pol_route+0x56f/0x840
[ 2479.265889][   T10]      fib6_rule_lookup+0x456/0x630
[ 2479.265889][   T10]      ip6_route_input+0x59c/0xa50
[ 2479.265889][   T10]      ipv6_rcv+0x397/0x810
[ 2479.265889][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2479.265889][   T10]      process_backlog+0x101/0x620
[ 2479.265889][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2479.265889][   T10]      net_rx_action+0x495/0xbe0
[ 2479.265889][   T10]      __do_softirq+0x1b5/0x7f6
[ 2479.265889][   T10] 
[ 2479.267509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.267509][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.267509][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.267509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.267509][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2479.267509][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2479.267509][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2479.267509][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2479.267509][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2479.267509][   T10]      addrconf_dad_begin+0x310/0x670
[ 2479.267509][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2479.267509][   T10]      process_one_work+0x84d/0x18a0
[ 2479.267509][   T10]      worker_thread+0x587/0xd30
[ 2479.267509][   T10]      kthread+0x28a/0x350
[ 2479.267509][   T10]      ret_from_fork+0x31/0x70
[ 2479.267509][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2479.267509][   T10] 
[ 2479.269433][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.269433][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.269433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.269433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.269433][   T10]      ip6_route_add+0x1c/0x140
[ 2479.269433][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2479.269433][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2479.269433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.269433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.269433][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.269433][   T10]      netlink_unicast+0x449/0x710
[ 2479.269433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.269433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.269433][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.269433][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.269433][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.269433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.269433][   T10] 
[ 2479.271401][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.271401][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.271401][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.271401][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.271401][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2479.271401][   T10]      ipv6_add_addr+0x411/0x2000
[ 2479.271401][   T10]      inet6_addr_add+0x30e/0xa40
[ 2479.271401][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.271401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.271401][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.271401][   T10]      netlink_unicast+0x449/0x710
[ 2479.271401][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.271401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.271401][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.271401][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.271401][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.271401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.271401][   T10] 
[ 2479.273389][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.273389][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.273389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.273389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.273389][   T10]      ip6_route_add+0x1c/0x140
[ 2479.273389][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2479.273389][   T10]      addrconf_add_dev+0xe2/0x170
[ 2479.273389][   T10]      inet6_addr_add+0x12f/0xa40
[ 2479.273389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.273389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.273389][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.273389][   T10]      netlink_unicast+0x449/0x710
[ 2479.273389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.273389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.273389][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.273389][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.273389][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.273389][   T10] 
[ 2479.275479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.275479][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2479.275479][   T10]      ipv6_find_idev+0x102/0x170
[ 2479.275479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2479.275479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.275479][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.275479][   T10]      netlink_unicast+0x449/0x710
[ 2479.275479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.275479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.275479][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.275479][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.275479][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.275479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.275479][   T10] 
[ 2479.277221][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2479.277221][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2479.277221][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2479.277221][   T10]      ipv6_find_idev+0x102/0x170
[ 2479.277221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2479.277221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.277221][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.277221][   T10]      netlink_unicast+0x449/0x710
[ 2479.277221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.277221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.277221][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.277221][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.277221][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.277221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.277221][   T10] 
[ 2479.279181][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2479.279483][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2479.279483][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.279483][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.279483][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.279483][   T10]      ip6_route_add+0x1c/0x140
[ 2479.279483][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2479.279483][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2479.279483][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.279483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.279483][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.279483][   T10]      netlink_unicast+0x449/0x710
[ 2479.279483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.279483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.279483][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.279483][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.279483][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.279483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.279483][   T10] 
[ 2479.281663][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2479.281663][   T10]      netdev_get_by_index+0x5e/0x80
[ 2479.281663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2479.281663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2479.281663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2479.281663][   T10]      ipv6_add_addr+0x411/0x2000
[ 2479.281663][   T10]      inet6_addr_add+0x30e/0xa40
[ 2479.281663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2479.281663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.281663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.281663][   T10]      netlink_unicast+0x449/0x710
[ 2479.281663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.281663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.281663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.281663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.281663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.281663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.281663][   T10] 
[ 2479.283873][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2479.283873][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2479.283873][   T10]      ipv6_find_idev+0x102/0x170
[ 2479.283873][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2479.283873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.283873][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.283873][   T10]      netlink_unicast+0x449/0x710
[ 2479.283873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.283873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.283873][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.283873][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.283873][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.283873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.283873][   T10] 
[ 2479.285609][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2479.285609][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2479.285609][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2479.285609][   T10]      ipv6_find_idev+0x102/0x170
[ 2479.285609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2479.285609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2479.285609][   T10]      netlink_rcv_skb+0x130/0x360
[ 2479.285609][   T10]      netlink_unicast+0x449/0x710
[ 2479.285609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2479.285609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2479.285609][   T10]      ___sys_sendmsg+0xee/0x170
[ 2479.285609][   T10]      __sys_sendmsg+0xcd/0x170
[ 2479.285609][   T10]      do_syscall_64+0xc6/0x1e0
[ 2479.285609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2479.285609][   T10] 
[ 2489.360790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2489.361714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.361714][   T10]      dst_init+0x84/0x4a0
[ 2489.361714][   T10]      dst_alloc+0x97/0x150
[ 2489.361714][   T10]      ip6_dst_alloc+0x23/0x90
[ 2489.361714][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2489.361714][   T10]      ip6_pol_route+0x56f/0x840
[ 2489.361714][   T10]      fib6_rule_lookup+0x456/0x630
[ 2489.361714][   T10]      ip6_route_input+0x59c/0xa50
[ 2489.361714][   T10]      ipv6_rcv+0x397/0x810
[ 2489.361714][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2489.361714][   T10]      process_backlog+0x101/0x620
[ 2489.361714][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2489.361714][   T10]      net_rx_action+0x495/0xbe0
[ 2489.361714][   T10]      __do_softirq+0x1b5/0x7f6
[ 2489.361714][   T10] 
[ 2489.363526][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.363526][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2489.363526][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2489.363526][   T10]      fib6_nh_init+0xa22/0x1580
[ 2489.363526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.363526][   T10]      ip6_route_add+0x1c/0x140
[ 2489.363526][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2489.363526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.363526][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.363526][   T10]      netlink_unicast+0x449/0x710
[ 2489.363526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.363526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.363526][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.363526][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.363526][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.363526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.363526][   T10] 
[ 2489.365383][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.365383][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.365383][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.365383][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.365383][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2489.365383][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2489.365383][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2489.365383][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2489.365383][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2489.365383][   T10]      addrconf_dad_begin+0x310/0x670
[ 2489.365383][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2489.365383][   T10]      process_one_work+0x84d/0x18a0
[ 2489.365383][   T10]      worker_thread+0x587/0xd30
[ 2489.365383][   T10]      kthread+0x28a/0x350
[ 2489.365383][   T10]      ret_from_fork+0x31/0x70
[ 2489.365383][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2489.365383][   T10] 
[ 2489.367297][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.367297][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.367297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.367297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.367297][   T10]      ip6_route_add+0x1c/0x140
[ 2489.367297][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2489.367297][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2489.367297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.367297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.367297][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.367297][   T10]      netlink_unicast+0x449/0x710
[ 2489.367297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.367297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.367297][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.367297][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.367297][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.367297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.367297][   T10] 
[ 2489.369350][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.369350][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.369350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.369350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.369350][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2489.369350][   T10]      ipv6_add_addr+0x411/0x2000
[ 2489.369350][   T10]      inet6_addr_add+0x30e/0xa40
[ 2489.369350][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.369350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.369350][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.369350][   T10]      netlink_unicast+0x449/0x710
[ 2489.369350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.369350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.369350][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.369350][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.369350][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.369350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.369350][   T10] 
[ 2489.371382][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.371382][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.371382][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.371382][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.371382][   T10]      ip6_route_add+0x1c/0x140
[ 2489.371382][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2489.371382][   T10]      addrconf_add_dev+0xe2/0x170
[ 2489.371382][   T10]      inet6_addr_add+0x12f/0xa40
[ 2489.371382][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.371382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.371382][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.371382][   T10]      netlink_unicast+0x449/0x710
[ 2489.371382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.371382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.371382][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.371382][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.371382][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.371382][   T10] 
[ 2489.373352][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.373352][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2489.373352][   T10]      ipv6_find_idev+0x102/0x170
[ 2489.373352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2489.373352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.373352][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.373352][   T10]      netlink_unicast+0x449/0x710
[ 2489.373352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.373352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.373352][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.373352][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.373352][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.373352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.373352][   T10] 
[ 2489.374915][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2489.374915][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2489.374915][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2489.374915][   T10]      ipv6_find_idev+0x102/0x170
[ 2489.374915][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2489.374915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.374915][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.374915][   T10]      netlink_unicast+0x449/0x710
[ 2489.374915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.374915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.374915][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.374915][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.374915][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.374915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.374915][   T10] 
[ 2489.376618][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2489.376864][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.376864][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2489.376864][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2489.376864][   T10]      fib6_nh_init+0xa22/0x1580
[ 2489.376864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.376864][   T10]      ip6_route_add+0x1c/0x140
[ 2489.376864][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2489.376864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.376864][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.376864][   T10]      netlink_unicast+0x449/0x710
[ 2489.376864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.376864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.376864][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.376864][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.376864][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.376864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.376864][   T10] 
[ 2489.378768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.378768][   T10]      dst_init+0x84/0x4a0
[ 2489.378768][   T10]      dst_alloc+0x97/0x150
[ 2489.378768][   T10]      ip6_dst_alloc+0x23/0x90
[ 2489.378768][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2489.378768][   T10]      ip6_pol_route+0x56f/0x840
[ 2489.378768][   T10]      fib6_rule_lookup+0x456/0x630
[ 2489.378768][   T10]      ip6_route_input+0x59c/0xa50
[ 2489.378768][   T10]      ipv6_rcv+0x397/0x810
[ 2489.378768][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2489.378768][   T10]      process_backlog+0x101/0x620
[ 2489.378768][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2489.378768][   T10]      net_rx_action+0x495/0xbe0
[ 2489.378768][   T10]      __do_softirq+0x1b5/0x7f6
[ 2489.378768][   T10] 
[ 2489.380424][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.380424][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.380424][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.380424][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.380424][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2489.380424][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2489.380424][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2489.380424][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2489.380424][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2489.380424][   T10]      addrconf_dad_begin+0x310/0x670
[ 2489.380424][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2489.380424][   T10]      process_one_work+0x84d/0x18a0
[ 2489.380424][   T10]      worker_thread+0x587/0xd30
[ 2489.380424][   T10]      kthread+0x28a/0x350
[ 2489.380424][   T10]      ret_from_fork+0x31/0x70
[ 2489.380424][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2489.380424][   T10] 
[ 2489.382351][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.382351][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.382351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.382351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.382351][   T10]      ip6_route_add+0x1c/0x140
[ 2489.382351][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2489.382351][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2489.382351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.382351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.382351][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.382351][   T10]      netlink_unicast+0x449/0x710
[ 2489.382351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.382351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.382351][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.382351][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.382351][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.382351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.382351][   T10] 
[ 2489.384372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.384372][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.384372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.384372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.384372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2489.384372][   T10]      ipv6_add_addr+0x411/0x2000
[ 2489.384372][   T10]      inet6_addr_add+0x30e/0xa40
[ 2489.384372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.384372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.384372][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.384372][   T10]      netlink_unicast+0x449/0x710
[ 2489.384372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.384372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.384372][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.384372][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.384372][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.384372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.384372][   T10] 
[ 2489.386367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.386367][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.386367][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.386367][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.386367][   T10]      ip6_route_add+0x1c/0x140
[ 2489.386367][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2489.386367][   T10]      addrconf_add_dev+0xe2/0x170
[ 2489.386367][   T10]      inet6_addr_add+0x12f/0xa40
[ 2489.386367][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.386367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.386367][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.386367][   T10]      netlink_unicast+0x449/0x710
[ 2489.386367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.386367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.386367][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.386367][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.386367][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.386367][   T10] 
[ 2489.388458][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.388458][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2489.388458][   T10]      ipv6_find_idev+0x102/0x170
[ 2489.388458][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2489.388458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.388458][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.388458][   T10]      netlink_unicast+0x449/0x710
[ 2489.388458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.388458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.388458][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.388458][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.388458][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.388458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.388458][   T10] 
[ 2489.390206][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2489.390206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2489.390206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2489.390206][   T10]      ipv6_find_idev+0x102/0x170
[ 2489.390206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2489.390206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.390206][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.390206][   T10]      netlink_unicast+0x449/0x710
[ 2489.390206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.390206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.390206][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.390206][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.390206][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.390206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.390206][   T10] 
[ 2489.392084][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2489.392396][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2489.392396][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.392396][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.392396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.392396][   T10]      ip6_route_add+0x1c/0x140
[ 2489.392396][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2489.392396][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2489.392396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.392396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.392396][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.392396][   T10]      netlink_unicast+0x449/0x710
[ 2489.392396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.392396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.392396][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.392396][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.392396][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.392396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.392396][   T10] 
[ 2489.394654][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2489.394654][   T10]      netdev_get_by_index+0x5e/0x80
[ 2489.394654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2489.394654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2489.394654][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2489.394654][   T10]      ipv6_add_addr+0x411/0x2000
[ 2489.394654][   T10]      inet6_addr_add+0x30e/0xa40
[ 2489.394654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2489.394654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.394654][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.394654][   T10]      netlink_unicast+0x449/0x710
[ 2489.394654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.394654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.394654][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.394654][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.394654][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.394654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.394654][   T10] 
[ 2489.396764][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2489.396764][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2489.396764][   T10]      ipv6_find_idev+0x102/0x170
[ 2489.396764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2489.396764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.396764][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.396764][   T10]      netlink_unicast+0x449/0x710
[ 2489.396764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.396764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.396764][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.396764][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.396764][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.396764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.396764][   T10] 
[ 2489.398511][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2489.398511][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2489.398511][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2489.398511][   T10]      ipv6_find_idev+0x102/0x170
[ 2489.398511][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2489.398511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2489.398511][   T10]      netlink_rcv_skb+0x130/0x360
[ 2489.398511][   T10]      netlink_unicast+0x449/0x710
[ 2489.398511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2489.398511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2489.398511][   T10]      ___sys_sendmsg+0xee/0x170
[ 2489.398511][   T10]      __sys_sendmsg+0xcd/0x170
[ 2489.398511][   T10]      do_syscall_64+0xc6/0x1e0
[ 2489.398511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2489.398511][   T10] 
[ 2499.640790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2499.641320][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.641320][   T10]      dst_init+0x84/0x4a0
[ 2499.641320][   T10]      dst_alloc+0x97/0x150
[ 2499.641320][   T10]      ip6_dst_alloc+0x23/0x90
[ 2499.641320][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2499.641320][   T10]      ip6_pol_route+0x56f/0x840
[ 2499.641320][   T10]      fib6_rule_lookup+0x456/0x630
[ 2499.641320][   T10]      ip6_route_input+0x59c/0xa50
[ 2499.641320][   T10]      ipv6_rcv+0x397/0x810
[ 2499.641320][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2499.641320][   T10]      process_backlog+0x101/0x620
[ 2499.641320][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2499.641320][   T10]      net_rx_action+0x495/0xbe0
[ 2499.641320][   T10]      __do_softirq+0x1b5/0x7f6
[ 2499.641320][   T10] 
[ 2499.643001][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.643001][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2499.643001][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2499.643001][   T10]      fib6_nh_init+0xa22/0x1580
[ 2499.643001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.643001][   T10]      ip6_route_add+0x1c/0x140
[ 2499.643001][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2499.643001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.643001][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.643001][   T10]      netlink_unicast+0x449/0x710
[ 2499.643001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.643001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.643001][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.643001][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.643001][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.643001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.643001][   T10] 
[ 2499.644920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.644920][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.644920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.644920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.644920][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2499.644920][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2499.644920][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2499.644920][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2499.644920][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2499.644920][   T10]      addrconf_dad_begin+0x310/0x670
[ 2499.644920][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2499.644920][   T10]      process_one_work+0x84d/0x18a0
[ 2499.644920][   T10]      worker_thread+0x587/0xd30
[ 2499.644920][   T10]      kthread+0x28a/0x350
[ 2499.644920][   T10]      ret_from_fork+0x31/0x70
[ 2499.644920][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2499.644920][   T10] 
[ 2499.646810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.646810][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.646810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.646810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.646810][   T10]      ip6_route_add+0x1c/0x140
[ 2499.646810][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2499.646810][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2499.646810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.646810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.646810][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.646810][   T10]      netlink_unicast+0x449/0x710
[ 2499.646810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.646810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.646810][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.646810][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.646810][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.646810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.646810][   T10] 
[ 2499.648834][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.648834][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.648834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.648834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.648834][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2499.648834][   T10]      ipv6_add_addr+0x411/0x2000
[ 2499.648834][   T10]      inet6_addr_add+0x30e/0xa40
[ 2499.648834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.648834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.648834][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.648834][   T10]      netlink_unicast+0x449/0x710
[ 2499.648834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.648834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.648834][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.648834][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.648834][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.648834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.648834][   T10] 
[ 2499.650852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.650852][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.650852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.650852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.650852][   T10]      ip6_route_add+0x1c/0x140
[ 2499.650852][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2499.650852][   T10]      addrconf_add_dev+0xe2/0x170
[ 2499.650852][   T10]      inet6_addr_add+0x12f/0xa40
[ 2499.650852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.650852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.650852][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.650852][   T10]      netlink_unicast+0x449/0x710
[ 2499.650852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.650852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.650852][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.650852][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.650852][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.650852][   T10] 
[ 2499.652832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.652832][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2499.652832][   T10]      ipv6_find_idev+0x102/0x170
[ 2499.652832][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2499.652832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.652832][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.652832][   T10]      netlink_unicast+0x449/0x710
[ 2499.652832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.652832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.652832][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.652832][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.652832][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.652832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.652832][   T10] 
[ 2499.654390][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2499.654390][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2499.654390][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2499.654390][   T10]      ipv6_find_idev+0x102/0x170
[ 2499.654390][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2499.654390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.654390][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.654390][   T10]      netlink_unicast+0x449/0x710
[ 2499.654390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.654390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.654390][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.654390][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.654390][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.654390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.654390][   T10] 
[ 2499.656111][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2499.656351][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.656351][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2499.656351][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2499.656351][   T10]      fib6_nh_init+0xa22/0x1580
[ 2499.656351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.656351][   T10]      ip6_route_add+0x1c/0x140
[ 2499.656351][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2499.656351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.656351][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.656351][   T10]      netlink_unicast+0x449/0x710
[ 2499.656351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.656351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.656351][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.656351][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.656351][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.656351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.656351][   T10] 
[ 2499.658774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.658774][   T10]      dst_init+0x84/0x4a0
[ 2499.658774][   T10]      dst_alloc+0x97/0x150
[ 2499.658774][   T10]      ip6_dst_alloc+0x23/0x90
[ 2499.658774][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2499.658774][   T10]      ip6_pol_route+0x56f/0x840
[ 2499.658774][   T10]      fib6_rule_lookup+0x456/0x630
[ 2499.658774][   T10]      ip6_route_input+0x59c/0xa50
[ 2499.658774][   T10]      ipv6_rcv+0x397/0x810
[ 2499.658774][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2499.658774][   T10]      process_backlog+0x101/0x620
[ 2499.658774][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2499.658774][   T10]      net_rx_action+0x495/0xbe0
[ 2499.658774][   T10]      __do_softirq+0x1b5/0x7f6
[ 2499.658774][   T10] 
[ 2499.660805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.660805][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.660805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.660805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.660805][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2499.660805][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2499.660805][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2499.660805][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2499.660805][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2499.660805][   T10]      addrconf_dad_begin+0x310/0x670
[ 2499.660805][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2499.660805][   T10]      process_one_work+0x84d/0x18a0
[ 2499.660805][   T10]      worker_thread+0x587/0xd30
[ 2499.660805][   T10]      kthread+0x28a/0x350
[ 2499.660805][   T10]      ret_from_fork+0x31/0x70
[ 2499.660805][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2499.660805][   T10] 
[ 2499.662732][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.662732][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.662732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.662732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.662732][   T10]      ip6_route_add+0x1c/0x140
[ 2499.662732][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2499.662732][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2499.662732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.662732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.662732][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.662732][   T10]      netlink_unicast+0x449/0x710
[ 2499.662732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.662732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.662732][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.662732][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.662732][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.662732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.662732][   T10] 
[ 2499.664742][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.664742][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.664742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.664742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.664742][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2499.664742][   T10]      ipv6_add_addr+0x411/0x2000
[ 2499.664742][   T10]      inet6_addr_add+0x30e/0xa40
[ 2499.664742][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.664742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.664742][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.664742][   T10]      netlink_unicast+0x449/0x710
[ 2499.664742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.664742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.664742][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.664742][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.664742][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.664742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.664742][   T10] 
[ 2499.666739][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.666739][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.666739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.666739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.666739][   T10]      ip6_route_add+0x1c/0x140
[ 2499.666739][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2499.666739][   T10]      addrconf_add_dev+0xe2/0x170
[ 2499.666739][   T10]      inet6_addr_add+0x12f/0xa40
[ 2499.666739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.666739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.666739][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.666739][   T10]      netlink_unicast+0x449/0x710
[ 2499.666739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.666739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.666739][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.666739][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.666739][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.666739][   T10] 
[ 2499.668818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.668818][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2499.668818][   T10]      ipv6_find_idev+0x102/0x170
[ 2499.668818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2499.668818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.668818][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.668818][   T10]      netlink_unicast+0x449/0x710
[ 2499.668818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.668818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.668818][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.668818][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.668818][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.668818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.668818][   T10] 
[ 2499.670601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2499.670601][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2499.670601][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2499.670601][   T10]      ipv6_find_idev+0x102/0x170
[ 2499.670601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2499.670601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.670601][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.670601][   T10]      netlink_unicast+0x449/0x710
[ 2499.670601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.670601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.670601][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.670601][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.670601][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.670601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.670601][   T10] 
[ 2499.672479][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2499.672803][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2499.672803][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.672803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.672803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.672803][   T10]      ip6_route_add+0x1c/0x140
[ 2499.672803][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2499.672803][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2499.672803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.672803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.672803][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.672803][   T10]      netlink_unicast+0x449/0x710
[ 2499.672803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.672803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.672803][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.672803][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.672803][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.672803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.672803][   T10] 
[ 2499.674929][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2499.674929][   T10]      netdev_get_by_index+0x5e/0x80
[ 2499.674929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2499.674929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2499.674929][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2499.674929][   T10]      ipv6_add_addr+0x411/0x2000
[ 2499.674929][   T10]      inet6_addr_add+0x30e/0xa40
[ 2499.674929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2499.674929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.674929][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.674929][   T10]      netlink_unicast+0x449/0x710
[ 2499.674929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.674929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.674929][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.674929][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.674929][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.674929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.674929][   T10] 
[ 2499.677105][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2499.677105][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2499.677105][   T10]      ipv6_find_idev+0x102/0x170
[ 2499.677105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2499.677105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.677105][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.677105][   T10]      netlink_unicast+0x449/0x710
[ 2499.677105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.677105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.677105][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.677105][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.677105][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.677105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.677105][   T10] 
[ 2499.678829][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2499.678829][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2499.678829][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2499.678829][   T10]      ipv6_find_idev+0x102/0x170
[ 2499.678829][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2499.678829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2499.678829][   T10]      netlink_rcv_skb+0x130/0x360
[ 2499.678829][   T10]      netlink_unicast+0x449/0x710
[ 2499.678829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2499.678829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2499.678829][   T10]      ___sys_sendmsg+0xee/0x170
[ 2499.678829][   T10]      __sys_sendmsg+0xcd/0x170
[ 2499.678829][   T10]      do_syscall_64+0xc6/0x1e0
[ 2499.678829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2499.678829][   T10] 
[ 2509.808778][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2509.809258][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.809258][   T10]      dst_init+0x84/0x4a0
[ 2509.809258][   T10]      dst_alloc+0x97/0x150
[ 2509.809258][   T10]      ip6_dst_alloc+0x23/0x90
[ 2509.809258][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2509.809258][   T10]      ip6_pol_route+0x56f/0x840
[ 2509.809258][   T10]      fib6_rule_lookup+0x456/0x630
[ 2509.809258][   T10]      ip6_route_input+0x59c/0xa50
[ 2509.809258][   T10]      ipv6_rcv+0x397/0x810
[ 2509.809258][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2509.809258][   T10]      process_backlog+0x101/0x620
[ 2509.809258][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2509.809258][   T10]      net_rx_action+0x495/0xbe0
[ 2509.809258][   T10]      __do_softirq+0x1b5/0x7f6
[ 2509.809258][   T10] 
[ 2509.810878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.810878][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2509.810878][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2509.810878][   T10]      fib6_nh_init+0xa22/0x1580
[ 2509.810878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.810878][   T10]      ip6_route_add+0x1c/0x140
[ 2509.810878][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2509.810878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.810878][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.810878][   T10]      netlink_unicast+0x449/0x710
[ 2509.810878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.810878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.810878][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.810878][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.810878][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.810878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.810878][   T10] 
[ 2509.812755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.812755][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.812755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.812755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.812755][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2509.812755][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2509.812755][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2509.812755][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2509.812755][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2509.812755][   T10]      addrconf_dad_begin+0x310/0x670
[ 2509.812755][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2509.812755][   T10]      process_one_work+0x84d/0x18a0
[ 2509.812755][   T10]      worker_thread+0x587/0xd30
[ 2509.812755][   T10]      kthread+0x28a/0x350
[ 2509.812755][   T10]      ret_from_fork+0x31/0x70
[ 2509.812755][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2509.812755][   T10] 
[ 2509.814640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.814640][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.814640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.814640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.814640][   T10]      ip6_route_add+0x1c/0x140
[ 2509.814640][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2509.814640][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2509.814640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.814640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.814640][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.814640][   T10]      netlink_unicast+0x449/0x710
[ 2509.814640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.814640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.814640][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.814640][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.814640][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.814640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.814640][   T10] 
[ 2509.816636][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.816636][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.816636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.816636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.816636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2509.816636][   T10]      ipv6_add_addr+0x411/0x2000
[ 2509.816636][   T10]      inet6_addr_add+0x30e/0xa40
[ 2509.816636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.816636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.816636][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.816636][   T10]      netlink_unicast+0x449/0x710
[ 2509.816636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.816636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.816636][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.816636][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.816636][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.816636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.816636][   T10] 
[ 2509.818631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.818631][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.818631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.818631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.818631][   T10]      ip6_route_add+0x1c/0x140
[ 2509.818631][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2509.818631][   T10]      addrconf_add_dev+0xe2/0x170
[ 2509.818631][   T10]      inet6_addr_add+0x12f/0xa40
[ 2509.818631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.818631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.818631][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.818631][   T10]      netlink_unicast+0x449/0x710
[ 2509.818631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.818631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.818631][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.818631][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.818631][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.818631][   T10] 
[ 2509.820657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.820657][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2509.820657][   T10]      ipv6_find_idev+0x102/0x170
[ 2509.820657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2509.820657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.820657][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.820657][   T10]      netlink_unicast+0x449/0x710
[ 2509.820657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.820657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.820657][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.820657][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.820657][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.820657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.820657][   T10] 
[ 2509.822216][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2509.822216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2509.822216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2509.822216][   T10]      ipv6_find_idev+0x102/0x170
[ 2509.822216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2509.822216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.822216][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.822216][   T10]      netlink_unicast+0x449/0x710
[ 2509.822216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.822216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.822216][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.822216][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.822216][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.822216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.822216][   T10] 
[ 2509.823959][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2509.824204][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.824204][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2509.824204][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2509.824204][   T10]      fib6_nh_init+0xa22/0x1580
[ 2509.824204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.824204][   T10]      ip6_route_add+0x1c/0x140
[ 2509.824204][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2509.824204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.824204][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.824204][   T10]      netlink_unicast+0x449/0x710
[ 2509.824204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.824204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.824204][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.824204][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.824204][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.824204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.824204][   T10] 
[ 2509.826119][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.826119][   T10]      dst_init+0x84/0x4a0
[ 2509.826119][   T10]      dst_alloc+0x97/0x150
[ 2509.826119][   T10]      ip6_dst_alloc+0x23/0x90
[ 2509.826119][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2509.826119][   T10]      ip6_pol_route+0x56f/0x840
[ 2509.826119][   T10]      fib6_rule_lookup+0x456/0x630
[ 2509.826119][   T10]      ip6_route_input+0x59c/0xa50
[ 2509.826119][   T10]      ipv6_rcv+0x397/0x810
[ 2509.826119][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2509.826119][   T10]      process_backlog+0x101/0x620
[ 2509.826119][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2509.826119][   T10]      net_rx_action+0x495/0xbe0
[ 2509.826119][   T10]      __do_softirq+0x1b5/0x7f6
[ 2509.826119][   T10] 
[ 2509.827782][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.827782][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.827782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.827782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.827782][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2509.827782][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2509.827782][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2509.827782][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2509.827782][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2509.827782][   T10]      addrconf_dad_begin+0x310/0x670
[ 2509.827782][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2509.827782][   T10]      process_one_work+0x84d/0x18a0
[ 2509.827782][   T10]      worker_thread+0x587/0xd30
[ 2509.827782][   T10]      kthread+0x28a/0x350
[ 2509.827782][   T10]      ret_from_fork+0x31/0x70
[ 2509.827782][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2509.827782][   T10] 
[ 2509.829738][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.829738][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.829738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.829738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.829738][   T10]      ip6_route_add+0x1c/0x140
[ 2509.829738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2509.829738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2509.829738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.829738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.829738][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.829738][   T10]      netlink_unicast+0x449/0x710
[ 2509.829738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.829738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.829738][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.829738][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.829738][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.829738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.829738][   T10] 
[ 2509.831760][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.831760][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.831760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.831760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.831760][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2509.831760][   T10]      ipv6_add_addr+0x411/0x2000
[ 2509.831760][   T10]      inet6_addr_add+0x30e/0xa40
[ 2509.831760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.831760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.831760][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.831760][   T10]      netlink_unicast+0x449/0x710
[ 2509.831760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.831760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.831760][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.831760][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.831760][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.831760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.831760][   T10] 
[ 2509.833823][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.833823][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.833823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.833823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.833823][   T10]      ip6_route_add+0x1c/0x140
[ 2509.833823][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2509.833823][   T10]      addrconf_add_dev+0xe2/0x170
[ 2509.833823][   T10]      inet6_addr_add+0x12f/0xa40
[ 2509.833823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.833823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.833823][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.833823][   T10]      netlink_unicast+0x449/0x710
[ 2509.833823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.833823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.833823][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.833823][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.833823][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.833823][   T10] 
[ 2509.835999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.835999][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2509.835999][   T10]      ipv6_find_idev+0x102/0x170
[ 2509.835999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2509.835999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.835999][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.835999][   T10]      netlink_unicast+0x449/0x710
[ 2509.835999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.835999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.835999][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.835999][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.835999][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.835999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.835999][   T10] 
[ 2509.837734][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2509.837734][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2509.837734][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2509.837734][   T10]      ipv6_find_idev+0x102/0x170
[ 2509.837734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2509.837734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.837734][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.837734][   T10]      netlink_unicast+0x449/0x710
[ 2509.837734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.837734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.837734][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.837734][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.837734][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.837734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.837734][   T10] 
[ 2509.839675][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2509.839941][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2509.839941][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.839941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.839941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.839941][   T10]      ip6_route_add+0x1c/0x140
[ 2509.839941][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2509.839941][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2509.839941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.839941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.839941][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.839941][   T10]      netlink_unicast+0x449/0x710
[ 2509.839941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.839941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.839941][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.839941][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.839941][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.839941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.839941][   T10] 
[ 2509.842220][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2509.842220][   T10]      netdev_get_by_index+0x5e/0x80
[ 2509.842220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2509.842220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2509.842220][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2509.842220][   T10]      ipv6_add_addr+0x411/0x2000
[ 2509.842220][   T10]      inet6_addr_add+0x30e/0xa40
[ 2509.842220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2509.842220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.842220][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.842220][   T10]      netlink_unicast+0x449/0x710
[ 2509.842220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.842220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.842220][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.842220][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.842220][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.842220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.842220][   T10] 
[ 2509.844501][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2509.844501][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2509.844501][   T10]      ipv6_find_idev+0x102/0x170
[ 2509.844501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2509.844501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.844501][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.844501][   T10]      netlink_unicast+0x449/0x710
[ 2509.844501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.844501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.844501][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.844501][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.844501][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.844501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.844501][   T10] 
[ 2509.846256][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2509.846256][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2509.846256][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2509.846256][   T10]      ipv6_find_idev+0x102/0x170
[ 2509.846256][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2509.846256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2509.846256][   T10]      netlink_rcv_skb+0x130/0x360
[ 2509.846256][   T10]      netlink_unicast+0x449/0x710
[ 2509.846256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2509.846256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2509.846256][   T10]      ___sys_sendmsg+0xee/0x170
[ 2509.846256][   T10]      __sys_sendmsg+0xcd/0x170
[ 2509.846256][   T10]      do_syscall_64+0xc6/0x1e0
[ 2509.846256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2509.846256][   T10] 
[ 2519.864768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2519.865267][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.865267][   T10]      dst_init+0x84/0x4a0
[ 2519.865267][   T10]      dst_alloc+0x97/0x150
[ 2519.865267][   T10]      ip6_dst_alloc+0x23/0x90
[ 2519.865267][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2519.865267][   T10]      ip6_pol_route+0x56f/0x840
[ 2519.865267][   T10]      fib6_rule_lookup+0x456/0x630
[ 2519.865267][   T10]      ip6_route_input+0x59c/0xa50
[ 2519.865267][   T10]      ipv6_rcv+0x397/0x810
[ 2519.865267][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2519.865267][   T10]      process_backlog+0x101/0x620
[ 2519.865267][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2519.865267][   T10]      net_rx_action+0x495/0xbe0
[ 2519.865267][   T10]      __do_softirq+0x1b5/0x7f6
[ 2519.865267][   T10] 
[ 2519.866902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.866902][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2519.866902][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2519.866902][   T10]      fib6_nh_init+0xa22/0x1580
[ 2519.866902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.866902][   T10]      ip6_route_add+0x1c/0x140
[ 2519.866902][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2519.866902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.866902][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.866902][   T10]      netlink_unicast+0x449/0x710
[ 2519.866902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.866902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.866902][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.866902][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.866902][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.866902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.866902][   T10] 
[ 2519.868793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.868793][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.868793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.868793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.868793][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2519.868793][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2519.868793][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2519.868793][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2519.868793][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2519.868793][   T10]      addrconf_dad_begin+0x310/0x670
[ 2519.868793][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2519.868793][   T10]      process_one_work+0x84d/0x18a0
[ 2519.868793][   T10]      worker_thread+0x587/0xd30
[ 2519.868793][   T10]      kthread+0x28a/0x350
[ 2519.868793][   T10]      ret_from_fork+0x31/0x70
[ 2519.868793][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2519.868793][   T10] 
[ 2519.870679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.870679][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.870679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.870679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.870679][   T10]      ip6_route_add+0x1c/0x140
[ 2519.870679][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2519.870679][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2519.870679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.870679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.870679][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.870679][   T10]      netlink_unicast+0x449/0x710
[ 2519.870679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.870679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.870679][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.870679][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.870679][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.870679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.870679][   T10] 
[ 2519.872703][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.872703][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.872703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.872703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.872703][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2519.872703][   T10]      ipv6_add_addr+0x411/0x2000
[ 2519.872703][   T10]      inet6_addr_add+0x30e/0xa40
[ 2519.872703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.872703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.872703][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.872703][   T10]      netlink_unicast+0x449/0x710
[ 2519.872703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.872703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.872703][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.872703][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.872703][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.872703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.872703][   T10] 
[ 2519.874734][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.874734][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.874734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.874734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.874734][   T10]      ip6_route_add+0x1c/0x140
[ 2519.874734][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2519.874734][   T10]      addrconf_add_dev+0xe2/0x170
[ 2519.874734][   T10]      inet6_addr_add+0x12f/0xa40
[ 2519.874734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.874734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.874734][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.874734][   T10]      netlink_unicast+0x449/0x710
[ 2519.874734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.874734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.874734][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.874734][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.874734][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.874734][   T10] 
[ 2519.876755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.876755][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2519.876755][   T10]      ipv6_find_idev+0x102/0x170
[ 2519.876755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2519.876755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.876755][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.876755][   T10]      netlink_unicast+0x449/0x710
[ 2519.876755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.876755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.876755][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.876755][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.876755][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.876755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.876755][   T10] 
[ 2519.878339][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2519.878339][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2519.878339][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2519.878339][   T10]      ipv6_find_idev+0x102/0x170
[ 2519.878339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2519.878339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.878339][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.878339][   T10]      netlink_unicast+0x449/0x710
[ 2519.878339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.878339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.878339][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.878339][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.878339][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.878339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.878339][   T10] 
[ 2519.880114][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2519.880355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.880355][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2519.880355][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2519.880355][   T10]      fib6_nh_init+0xa22/0x1580
[ 2519.880355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.880355][   T10]      ip6_route_add+0x1c/0x140
[ 2519.880355][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2519.880355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.880355][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.880355][   T10]      netlink_unicast+0x449/0x710
[ 2519.880355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.880355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.880355][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.880355][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.880355][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.880355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.880355][   T10] 
[ 2519.882262][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.882262][   T10]      dst_init+0x84/0x4a0
[ 2519.882262][   T10]      dst_alloc+0x97/0x150
[ 2519.882262][   T10]      ip6_dst_alloc+0x23/0x90
[ 2519.882262][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2519.882262][   T10]      ip6_pol_route+0x56f/0x840
[ 2519.882262][   T10]      fib6_rule_lookup+0x456/0x630
[ 2519.882262][   T10]      ip6_route_input+0x59c/0xa50
[ 2519.882262][   T10]      ipv6_rcv+0x397/0x810
[ 2519.882262][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2519.882262][   T10]      process_backlog+0x101/0x620
[ 2519.882262][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2519.882262][   T10]      net_rx_action+0x495/0xbe0
[ 2519.882262][   T10]      __do_softirq+0x1b5/0x7f6
[ 2519.882262][   T10] 
[ 2519.883926][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.883926][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.883926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.883926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.883926][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2519.883926][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2519.883926][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2519.883926][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2519.883926][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2519.883926][   T10]      addrconf_dad_begin+0x310/0x670
[ 2519.883926][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2519.883926][   T10]      process_one_work+0x84d/0x18a0
[ 2519.883926][   T10]      worker_thread+0x587/0xd30
[ 2519.883926][   T10]      kthread+0x28a/0x350
[ 2519.883926][   T10]      ret_from_fork+0x31/0x70
[ 2519.883926][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2519.883926][   T10] 
[ 2519.885851][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.885851][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.885851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.885851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.885851][   T10]      ip6_route_add+0x1c/0x140
[ 2519.885851][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2519.885851][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2519.885851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.885851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.885851][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.885851][   T10]      netlink_unicast+0x449/0x710
[ 2519.885851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.885851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.885851][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.885851][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.885851][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.885851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.885851][   T10] 
[ 2519.887908][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.887908][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.887908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.887908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.887908][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2519.887908][   T10]      ipv6_add_addr+0x411/0x2000
[ 2519.887908][   T10]      inet6_addr_add+0x30e/0xa40
[ 2519.887908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.887908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.887908][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.887908][   T10]      netlink_unicast+0x449/0x710
[ 2519.887908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.887908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.887908][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.887908][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.887908][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.887908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.887908][   T10] 
[ 2519.889930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.889930][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.889930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.889930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.889930][   T10]      ip6_route_add+0x1c/0x140
[ 2519.889930][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2519.889930][   T10]      addrconf_add_dev+0xe2/0x170
[ 2519.889930][   T10]      inet6_addr_add+0x12f/0xa40
[ 2519.889930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.889930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.889930][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.889930][   T10]      netlink_unicast+0x449/0x710
[ 2519.889930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.889930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.889930][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.889930][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.889930][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.889930][   T10] 
[ 2519.892115][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.892115][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2519.892115][   T10]      ipv6_find_idev+0x102/0x170
[ 2519.892115][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2519.892115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.892115][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.892115][   T10]      netlink_unicast+0x449/0x710
[ 2519.892115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.892115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.892115][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.892115][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.892115][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.892115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.892115][   T10] 
[ 2519.893917][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2519.893917][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2519.893917][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2519.893917][   T10]      ipv6_find_idev+0x102/0x170
[ 2519.893917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2519.893917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.893917][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.893917][   T10]      netlink_unicast+0x449/0x710
[ 2519.893917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.893917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.893917][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.893917][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.893917][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.893917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.893917][   T10] 
[ 2519.895808][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2519.896075][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2519.896075][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.896075][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.896075][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.896075][   T10]      ip6_route_add+0x1c/0x140
[ 2519.896075][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2519.896075][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2519.896075][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.896075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.896075][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.896075][   T10]      netlink_unicast+0x449/0x710
[ 2519.896075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.896075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.896075][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.896075][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.896075][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.896075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.896075][   T10] 
[ 2519.898329][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2519.898329][   T10]      netdev_get_by_index+0x5e/0x80
[ 2519.898329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2519.898329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2519.898329][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2519.898329][   T10]      ipv6_add_addr+0x411/0x2000
[ 2519.898329][   T10]      inet6_addr_add+0x30e/0xa40
[ 2519.898329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2519.898329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.898329][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.898329][   T10]      netlink_unicast+0x449/0x710
[ 2519.898329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.898329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.898329][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.898329][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.898329][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.898329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.898329][   T10] 
[ 2519.900600][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2519.900600][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2519.900600][   T10]      ipv6_find_idev+0x102/0x170
[ 2519.900600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2519.900600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.900600][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.900600][   T10]      netlink_unicast+0x449/0x710
[ 2519.900600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.900600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.900600][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.900600][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.900600][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.900600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.900600][   T10] 
[ 2519.902405][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2519.902405][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2519.902405][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2519.902405][   T10]      ipv6_find_idev+0x102/0x170
[ 2519.902405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2519.902405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2519.902405][   T10]      netlink_rcv_skb+0x130/0x360
[ 2519.902405][   T10]      netlink_unicast+0x449/0x710
[ 2519.902405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2519.902405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2519.902405][   T10]      ___sys_sendmsg+0xee/0x170
[ 2519.902405][   T10]      __sys_sendmsg+0xcd/0x170
[ 2519.902405][   T10]      do_syscall_64+0xc6/0x1e0
[ 2519.902405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2519.902405][   T10] 
[ 2529.912782][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2529.913310][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.913310][   T10]      dst_init+0x84/0x4a0
[ 2529.913310][   T10]      dst_alloc+0x97/0x150
[ 2529.913310][   T10]      ip6_dst_alloc+0x23/0x90
[ 2529.913310][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2529.913310][   T10]      ip6_pol_route+0x56f/0x840
[ 2529.913310][   T10]      fib6_rule_lookup+0x456/0x630
[ 2529.913310][   T10]      ip6_route_input+0x59c/0xa50
[ 2529.913310][   T10]      ipv6_rcv+0x397/0x810
[ 2529.913310][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2529.913310][   T10]      process_backlog+0x101/0x620
[ 2529.913310][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2529.913310][   T10]      net_rx_action+0x495/0xbe0
[ 2529.913310][   T10]      __do_softirq+0x1b5/0x7f6
[ 2529.913310][   T10] 
[ 2529.915000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.915000][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2529.915000][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2529.915000][   T10]      fib6_nh_init+0xa22/0x1580
[ 2529.915000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.915000][   T10]      ip6_route_add+0x1c/0x140
[ 2529.915000][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2529.915000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.915000][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.915000][   T10]      netlink_unicast+0x449/0x710
[ 2529.915000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.915000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.915000][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.915000][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.915000][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.915000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.915000][   T10] 
[ 2529.916891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.916891][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.916891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.916891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.916891][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2529.916891][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2529.916891][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2529.916891][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2529.916891][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2529.916891][   T10]      addrconf_dad_begin+0x310/0x670
[ 2529.916891][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2529.916891][   T10]      process_one_work+0x84d/0x18a0
[ 2529.916891][   T10]      worker_thread+0x587/0xd30
[ 2529.916891][   T10]      kthread+0x28a/0x350
[ 2529.916891][   T10]      ret_from_fork+0x31/0x70
[ 2529.916891][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2529.916891][   T10] 
[ 2529.918813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.918813][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.918813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.918813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.918813][   T10]      ip6_route_add+0x1c/0x140
[ 2529.918813][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2529.918813][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2529.918813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.918813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.918813][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.918813][   T10]      netlink_unicast+0x449/0x710
[ 2529.918813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.918813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.918813][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.918813][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.918813][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.918813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.918813][   T10] 
[ 2529.920816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.920816][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.920816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.920816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.920816][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2529.920816][   T10]      ipv6_add_addr+0x411/0x2000
[ 2529.920816][   T10]      inet6_addr_add+0x30e/0xa40
[ 2529.920816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.920816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.920816][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.920816][   T10]      netlink_unicast+0x449/0x710
[ 2529.920816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.920816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.920816][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.920816][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.920816][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.920816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.920816][   T10] 
[ 2529.922826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.922826][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.922826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.922826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.922826][   T10]      ip6_route_add+0x1c/0x140
[ 2529.922826][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2529.922826][   T10]      addrconf_add_dev+0xe2/0x170
[ 2529.922826][   T10]      inet6_addr_add+0x12f/0xa40
[ 2529.922826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.922826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.922826][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.922826][   T10]      netlink_unicast+0x449/0x710
[ 2529.922826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.922826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.922826][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.922826][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.922826][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.922826][   T10] 
[ 2529.924787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.924787][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2529.924787][   T10]      ipv6_find_idev+0x102/0x170
[ 2529.924787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2529.924787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.924787][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.924787][   T10]      netlink_unicast+0x449/0x710
[ 2529.924787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.924787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.924787][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.924787][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.924787][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.924787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.924787][   T10] 
[ 2529.926380][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2529.926380][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2529.926380][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2529.926380][   T10]      ipv6_find_idev+0x102/0x170
[ 2529.926380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2529.926380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.926380][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.926380][   T10]      netlink_unicast+0x449/0x710
[ 2529.926380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.926380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.926380][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.926380][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.926380][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.926380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.926380][   T10] 
[ 2529.928086][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2529.928322][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.928322][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2529.928322][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2529.928322][   T10]      fib6_nh_init+0xa22/0x1580
[ 2529.928322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.928322][   T10]      ip6_route_add+0x1c/0x140
[ 2529.928322][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2529.928322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.928322][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.928322][   T10]      netlink_unicast+0x449/0x710
[ 2529.928322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.928322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.928322][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.928322][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.928322][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.928322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.928322][   T10] 
[ 2529.930213][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.930213][   T10]      dst_init+0x84/0x4a0
[ 2529.930213][   T10]      dst_alloc+0x97/0x150
[ 2529.930213][   T10]      ip6_dst_alloc+0x23/0x90
[ 2529.930213][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2529.930213][   T10]      ip6_pol_route+0x56f/0x840
[ 2529.930213][   T10]      fib6_rule_lookup+0x456/0x630
[ 2529.930213][   T10]      ip6_route_input+0x59c/0xa50
[ 2529.930213][   T10]      ipv6_rcv+0x397/0x810
[ 2529.930213][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2529.930213][   T10]      process_backlog+0x101/0x620
[ 2529.930213][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2529.930213][   T10]      net_rx_action+0x495/0xbe0
[ 2529.930213][   T10]      __do_softirq+0x1b5/0x7f6
[ 2529.930213][   T10] 
[ 2529.931852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.931852][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.931852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.931852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.931852][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2529.931852][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2529.931852][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2529.931852][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2529.931852][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2529.931852][   T10]      addrconf_dad_begin+0x310/0x670
[ 2529.931852][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2529.931852][   T10]      process_one_work+0x84d/0x18a0
[ 2529.931852][   T10]      worker_thread+0x587/0xd30
[ 2529.931852][   T10]      kthread+0x28a/0x350
[ 2529.931852][   T10]      ret_from_fork+0x31/0x70
[ 2529.931852][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2529.931852][   T10] 
[ 2529.933792][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.933792][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.933792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.933792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.933792][   T10]      ip6_route_add+0x1c/0x140
[ 2529.933792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2529.933792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2529.933792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.933792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.933792][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.933792][   T10]      netlink_unicast+0x449/0x710
[ 2529.933792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.933792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.933792][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.933792][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.933792][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.933792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.933792][   T10] 
[ 2529.935807][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.935807][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.935807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.935807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.935807][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2529.935807][   T10]      ipv6_add_addr+0x411/0x2000
[ 2529.935807][   T10]      inet6_addr_add+0x30e/0xa40
[ 2529.935807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.935807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.935807][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.935807][   T10]      netlink_unicast+0x449/0x710
[ 2529.935807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.935807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.935807][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.935807][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.935807][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.935807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.935807][   T10] 
[ 2529.937798][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.937798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.937798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.937798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.937798][   T10]      ip6_route_add+0x1c/0x140
[ 2529.937798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2529.937798][   T10]      addrconf_add_dev+0xe2/0x170
[ 2529.937798][   T10]      inet6_addr_add+0x12f/0xa40
[ 2529.937798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.937798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.937798][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.937798][   T10]      netlink_unicast+0x449/0x710
[ 2529.937798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.937798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.937798][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.937798][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.937798][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.937798][   T10] 
[ 2529.939959][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.939959][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2529.939959][   T10]      ipv6_find_idev+0x102/0x170
[ 2529.939959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2529.939959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.939959][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.939959][   T10]      netlink_unicast+0x449/0x710
[ 2529.939959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.939959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.939959][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.939959][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.939959][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.939959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.939959][   T10] 
[ 2529.941674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2529.941674][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2529.941674][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2529.941674][   T10]      ipv6_find_idev+0x102/0x170
[ 2529.941674][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2529.941674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.941674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.941674][   T10]      netlink_unicast+0x449/0x710
[ 2529.941674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.941674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.941674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.941674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.941674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.941674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.941674][   T10] 
[ 2529.943612][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2529.943914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2529.943914][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.943914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.943914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.943914][   T10]      ip6_route_add+0x1c/0x140
[ 2529.943914][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2529.943914][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2529.943914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.943914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.943914][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.943914][   T10]      netlink_unicast+0x449/0x710
[ 2529.943914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.943914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.943914][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.943914][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.943914][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.943914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.943914][   T10] 
[ 2529.946028][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2529.946028][   T10]      netdev_get_by_index+0x5e/0x80
[ 2529.946028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2529.946028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2529.946028][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2529.946028][   T10]      ipv6_add_addr+0x411/0x2000
[ 2529.946028][   T10]      inet6_addr_add+0x30e/0xa40
[ 2529.946028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2529.946028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.946028][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.946028][   T10]      netlink_unicast+0x449/0x710
[ 2529.946028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.946028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.946028][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.946028][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.946028][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.946028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.946028][   T10] 
[ 2529.948262][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2529.948262][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2529.948262][   T10]      ipv6_find_idev+0x102/0x170
[ 2529.948262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2529.948262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.948262][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.948262][   T10]      netlink_unicast+0x449/0x710
[ 2529.948262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.948262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.948262][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.948262][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.948262][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.948262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.948262][   T10] 
[ 2529.950002][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2529.950002][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2529.950002][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2529.950002][   T10]      ipv6_find_idev+0x102/0x170
[ 2529.950002][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2529.950002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2529.950002][   T10]      netlink_rcv_skb+0x130/0x360
[ 2529.950002][   T10]      netlink_unicast+0x449/0x710
[ 2529.950002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2529.950002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2529.950002][   T10]      ___sys_sendmsg+0xee/0x170
[ 2529.950002][   T10]      __sys_sendmsg+0xcd/0x170
[ 2529.950002][   T10]      do_syscall_64+0xc6/0x1e0
[ 2529.950002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2529.950002][   T10] 
[ 2540.192788][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2540.193225][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.193225][   T10]      dst_init+0x84/0x4a0
[ 2540.193225][   T10]      dst_alloc+0x97/0x150
[ 2540.193225][   T10]      ip6_dst_alloc+0x23/0x90
[ 2540.193225][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2540.193225][   T10]      ip6_pol_route+0x56f/0x840
[ 2540.193225][   T10]      fib6_rule_lookup+0x456/0x630
[ 2540.193225][   T10]      ip6_route_input+0x59c/0xa50
[ 2540.193225][   T10]      ipv6_rcv+0x397/0x810
[ 2540.193225][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2540.193225][   T10]      process_backlog+0x101/0x620
[ 2540.193225][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2540.193225][   T10]      net_rx_action+0x495/0xbe0
[ 2540.193225][   T10]      __do_softirq+0x1b5/0x7f6
[ 2540.193225][   T10] 
[ 2540.194889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.194889][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2540.194889][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2540.194889][   T10]      fib6_nh_init+0xa22/0x1580
[ 2540.194889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.194889][   T10]      ip6_route_add+0x1c/0x140
[ 2540.194889][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2540.194889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.194889][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.194889][   T10]      netlink_unicast+0x449/0x710
[ 2540.194889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.194889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.194889][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.194889][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.194889][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.194889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.194889][   T10] 
[ 2540.196732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.196732][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.196732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.196732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.196732][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2540.196732][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2540.196732][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2540.196732][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2540.196732][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2540.196732][   T10]      addrconf_dad_begin+0x310/0x670
[ 2540.196732][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2540.196732][   T10]      process_one_work+0x84d/0x18a0
[ 2540.196732][   T10]      worker_thread+0x587/0xd30
[ 2540.196732][   T10]      kthread+0x28a/0x350
[ 2540.196732][   T10]      ret_from_fork+0x31/0x70
[ 2540.196732][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2540.196732][   T10] 
[ 2540.198622][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.198622][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.198622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.198622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.198622][   T10]      ip6_route_add+0x1c/0x140
[ 2540.198622][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2540.198622][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2540.198622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.198622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.198622][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.198622][   T10]      netlink_unicast+0x449/0x710
[ 2540.198622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.198622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.198622][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.198622][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.198622][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.198622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.198622][   T10] 
[ 2540.200628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.200628][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.200628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.200628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.200628][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2540.200628][   T10]      ipv6_add_addr+0x411/0x2000
[ 2540.200628][   T10]      inet6_addr_add+0x30e/0xa40
[ 2540.200628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.200628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.200628][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.200628][   T10]      netlink_unicast+0x449/0x710
[ 2540.200628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.200628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.200628][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.200628][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.200628][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.200628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.200628][   T10] 
[ 2540.202627][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.202627][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.202627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.202627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.202627][   T10]      ip6_route_add+0x1c/0x140
[ 2540.202627][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2540.202627][   T10]      addrconf_add_dev+0xe2/0x170
[ 2540.202627][   T10]      inet6_addr_add+0x12f/0xa40
[ 2540.202627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.202627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.202627][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.202627][   T10]      netlink_unicast+0x449/0x710
[ 2540.202627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.202627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.202627][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.202627][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.202627][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.202627][   T10] 
[ 2540.204595][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.204595][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2540.204595][   T10]      ipv6_find_idev+0x102/0x170
[ 2540.204595][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2540.204595][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.204595][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.204595][   T10]      netlink_unicast+0x449/0x710
[ 2540.204595][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.204595][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.204595][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.204595][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.204595][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.204595][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.204595][   T10] 
[ 2540.206133][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2540.206133][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2540.206133][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2540.206133][   T10]      ipv6_find_idev+0x102/0x170
[ 2540.206133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2540.206133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.206133][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.206133][   T10]      netlink_unicast+0x449/0x710
[ 2540.206133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.206133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.206133][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.206133][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.206133][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.206133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.206133][   T10] 
[ 2540.207824][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2540.208067][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.208067][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2540.208067][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2540.208067][   T10]      fib6_nh_init+0xa22/0x1580
[ 2540.208067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.208067][   T10]      ip6_route_add+0x1c/0x140
[ 2540.208067][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2540.208067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.208067][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.208067][   T10]      netlink_unicast+0x449/0x710
[ 2540.208067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.208067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.208067][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.208067][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.208067][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.208067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.208067][   T10] 
[ 2540.209950][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.209950][   T10]      dst_init+0x84/0x4a0
[ 2540.209950][   T10]      dst_alloc+0x97/0x150
[ 2540.209950][   T10]      ip6_dst_alloc+0x23/0x90
[ 2540.209950][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2540.209950][   T10]      ip6_pol_route+0x56f/0x840
[ 2540.209950][   T10]      fib6_rule_lookup+0x456/0x630
[ 2540.209950][   T10]      ip6_route_input+0x59c/0xa50
[ 2540.209950][   T10]      ipv6_rcv+0x397/0x810
[ 2540.209950][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2540.209950][   T10]      process_backlog+0x101/0x620
[ 2540.209950][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2540.209950][   T10]      net_rx_action+0x495/0xbe0
[ 2540.209950][   T10]      __do_softirq+0x1b5/0x7f6
[ 2540.209950][   T10] 
[ 2540.211693][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.211693][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.211693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.211693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.211693][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2540.211693][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2540.211693][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2540.211693][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2540.211693][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2540.211693][   T10]      addrconf_dad_begin+0x310/0x670
[ 2540.211693][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2540.211693][   T10]      process_one_work+0x84d/0x18a0
[ 2540.211693][   T10]      worker_thread+0x587/0xd30
[ 2540.211693][   T10]      kthread+0x28a/0x350
[ 2540.211693][   T10]      ret_from_fork+0x31/0x70
[ 2540.211693][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2540.211693][   T10] 
[ 2540.213601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.213601][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.213601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.213601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.213601][   T10]      ip6_route_add+0x1c/0x140
[ 2540.213601][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2540.213601][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2540.213601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.213601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.213601][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.213601][   T10]      netlink_unicast+0x449/0x710
[ 2540.213601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.213601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.213601][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.213601][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.213601][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.213601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.213601][   T10] 
[ 2540.215601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.215601][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.215601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.215601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.215601][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2540.215601][   T10]      ipv6_add_addr+0x411/0x2000
[ 2540.215601][   T10]      inet6_addr_add+0x30e/0xa40
[ 2540.215601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.215601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.215601][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.215601][   T10]      netlink_unicast+0x449/0x710
[ 2540.215601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.215601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.215601][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.215601][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.215601][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.215601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.215601][   T10] 
[ 2540.217591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.217591][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.217591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.217591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.217591][   T10]      ip6_route_add+0x1c/0x140
[ 2540.217591][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2540.217591][   T10]      addrconf_add_dev+0xe2/0x170
[ 2540.217591][   T10]      inet6_addr_add+0x12f/0xa40
[ 2540.217591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.217591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.217591][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.217591][   T10]      netlink_unicast+0x449/0x710
[ 2540.217591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.217591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.217591][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.217591][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.217591][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.217591][   T10] 
[ 2540.219756][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.219756][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2540.219756][   T10]      ipv6_find_idev+0x102/0x170
[ 2540.219756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2540.219756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.219756][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.219756][   T10]      netlink_unicast+0x449/0x710
[ 2540.219756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.219756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.219756][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.219756][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.219756][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.219756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.219756][   T10] 
[ 2540.221526][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2540.221526][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2540.221526][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2540.221526][   T10]      ipv6_find_idev+0x102/0x170
[ 2540.221526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2540.221526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.221526][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.221526][   T10]      netlink_unicast+0x449/0x710
[ 2540.221526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.221526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.221526][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.221526][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.221526][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.221526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.221526][   T10] 
[ 2540.223384][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2540.223702][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2540.223702][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.223702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.223702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.223702][   T10]      ip6_route_add+0x1c/0x140
[ 2540.223702][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2540.223702][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2540.223702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.223702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.223702][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.223702][   T10]      netlink_unicast+0x449/0x710
[ 2540.223702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.223702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.223702][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.223702][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.223702][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.223702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.223702][   T10] 
[ 2540.225889][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2540.225889][   T10]      netdev_get_by_index+0x5e/0x80
[ 2540.225889][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2540.225889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2540.225889][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2540.225889][   T10]      ipv6_add_addr+0x411/0x2000
[ 2540.225889][   T10]      inet6_addr_add+0x30e/0xa40
[ 2540.225889][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2540.225889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.225889][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.225889][   T10]      netlink_unicast+0x449/0x710
[ 2540.225889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.225889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.225889][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.225889][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.225889][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.225889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.225889][   T10] 
[ 2540.228050][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2540.228050][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2540.228050][   T10]      ipv6_find_idev+0x102/0x170
[ 2540.228050][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2540.228050][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.228050][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.228050][   T10]      netlink_unicast+0x449/0x710
[ 2540.228050][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.228050][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.228050][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.228050][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.228050][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.228050][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.228050][   T10] 
[ 2540.229821][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2540.229821][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2540.229821][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2540.229821][   T10]      ipv6_find_idev+0x102/0x170
[ 2540.229821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2540.229821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2540.229821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2540.229821][   T10]      netlink_unicast+0x449/0x710
[ 2540.229821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2540.229821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2540.229821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2540.229821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2540.229821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2540.229821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2540.229821][   T10] 
[ 2550.472713][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2550.473161][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.473161][   T10]      dst_init+0x84/0x4a0
[ 2550.473161][   T10]      dst_alloc+0x97/0x150
[ 2550.473161][   T10]      ip6_dst_alloc+0x23/0x90
[ 2550.473161][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2550.473161][   T10]      ip6_pol_route+0x56f/0x840
[ 2550.473161][   T10]      fib6_rule_lookup+0x456/0x630
[ 2550.473161][   T10]      ip6_route_input+0x59c/0xa50
[ 2550.473161][   T10]      ipv6_rcv+0x397/0x810
[ 2550.473161][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2550.473161][   T10]      process_backlog+0x101/0x620
[ 2550.473161][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2550.473161][   T10]      net_rx_action+0x495/0xbe0
[ 2550.473161][   T10]      __do_softirq+0x1b5/0x7f6
[ 2550.473161][   T10] 
[ 2550.474842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.474842][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2550.474842][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2550.474842][   T10]      fib6_nh_init+0xa22/0x1580
[ 2550.474842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.474842][   T10]      ip6_route_add+0x1c/0x140
[ 2550.474842][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2550.474842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.474842][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.474842][   T10]      netlink_unicast+0x449/0x710
[ 2550.474842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.474842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.474842][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.474842][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.474842][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.474842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.474842][   T10] 
[ 2550.476743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.476743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.476743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.476743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.476743][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2550.476743][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2550.476743][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2550.476743][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2550.476743][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2550.476743][   T10]      addrconf_dad_begin+0x310/0x670
[ 2550.476743][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2550.476743][   T10]      process_one_work+0x84d/0x18a0
[ 2550.476743][   T10]      worker_thread+0x587/0xd30
[ 2550.476743][   T10]      kthread+0x28a/0x350
[ 2550.476743][   T10]      ret_from_fork+0x31/0x70
[ 2550.476743][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2550.476743][   T10] 
[ 2550.478647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.478647][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.478647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.478647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.478647][   T10]      ip6_route_add+0x1c/0x140
[ 2550.478647][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2550.478647][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2550.478647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.478647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.478647][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.478647][   T10]      netlink_unicast+0x449/0x710
[ 2550.478647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.478647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.478647][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.478647][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.478647][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.478647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.478647][   T10] 
[ 2550.480642][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.480642][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.480642][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.480642][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.480642][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2550.480642][   T10]      ipv6_add_addr+0x411/0x2000
[ 2550.480642][   T10]      inet6_addr_add+0x30e/0xa40
[ 2550.480642][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.480642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.480642][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.480642][   T10]      netlink_unicast+0x449/0x710
[ 2550.480642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.480642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.480642][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.480642][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.480642][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.480642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.480642][   T10] 
[ 2550.482632][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.482632][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.482632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.482632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.482632][   T10]      ip6_route_add+0x1c/0x140
[ 2550.482632][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2550.482632][   T10]      addrconf_add_dev+0xe2/0x170
[ 2550.482632][   T10]      inet6_addr_add+0x12f/0xa40
[ 2550.482632][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.482632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.482632][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.482632][   T10]      netlink_unicast+0x449/0x710
[ 2550.482632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.482632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.482632][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.482632][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.482632][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.482632][   T10] 
[ 2550.484597][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.484597][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2550.484597][   T10]      ipv6_find_idev+0x102/0x170
[ 2550.484597][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2550.484597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.484597][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.484597][   T10]      netlink_unicast+0x449/0x710
[ 2550.484597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.484597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.484597][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.484597][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.484597][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.484597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.484597][   T10] 
[ 2550.486134][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2550.486134][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2550.486134][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2550.486134][   T10]      ipv6_find_idev+0x102/0x170
[ 2550.486134][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2550.486134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.486134][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.486134][   T10]      netlink_unicast+0x449/0x710
[ 2550.486134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.486134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.486134][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.486134][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.486134][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.486134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.486134][   T10] 
[ 2550.487824][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2550.488064][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.488064][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2550.488064][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2550.488064][   T10]      fib6_nh_init+0xa22/0x1580
[ 2550.488064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.488064][   T10]      ip6_route_add+0x1c/0x140
[ 2550.488064][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2550.488064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.488064][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.488064][   T10]      netlink_unicast+0x449/0x710
[ 2550.488064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.488064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.488064][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.488064][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.488064][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.488064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.488064][   T10] 
[ 2550.489947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.489947][   T10]      dst_init+0x84/0x4a0
[ 2550.489947][   T10]      dst_alloc+0x97/0x150
[ 2550.489947][   T10]      ip6_dst_alloc+0x23/0x90
[ 2550.489947][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2550.489947][   T10]      ip6_pol_route+0x56f/0x840
[ 2550.489947][   T10]      fib6_rule_lookup+0x456/0x630
[ 2550.489947][   T10]      ip6_route_input+0x59c/0xa50
[ 2550.489947][   T10]      ipv6_rcv+0x397/0x810
[ 2550.489947][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2550.489947][   T10]      process_backlog+0x101/0x620
[ 2550.489947][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2550.489947][   T10]      net_rx_action+0x495/0xbe0
[ 2550.489947][   T10]      __do_softirq+0x1b5/0x7f6
[ 2550.489947][   T10] 
[ 2550.491587][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.491587][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.491587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.491587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.491587][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2550.491587][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2550.491587][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2550.491587][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2550.491587][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2550.491587][   T10]      addrconf_dad_begin+0x310/0x670
[ 2550.491587][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2550.491587][   T10]      process_one_work+0x84d/0x18a0
[ 2550.491587][   T10]      worker_thread+0x587/0xd30
[ 2550.491587][   T10]      kthread+0x28a/0x350
[ 2550.491587][   T10]      ret_from_fork+0x31/0x70
[ 2550.491587][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2550.491587][   T10] 
[ 2550.493486][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.493486][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.493486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.493486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.493486][   T10]      ip6_route_add+0x1c/0x140
[ 2550.493486][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2550.493486][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2550.493486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.493486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.493486][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.493486][   T10]      netlink_unicast+0x449/0x710
[ 2550.493486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.493486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.493486][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.493486][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.493486][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.493486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.493486][   T10] 
[ 2550.495489][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.495489][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.495489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.495489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.495489][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2550.495489][   T10]      ipv6_add_addr+0x411/0x2000
[ 2550.495489][   T10]      inet6_addr_add+0x30e/0xa40
[ 2550.495489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.495489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.495489][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.495489][   T10]      netlink_unicast+0x449/0x710
[ 2550.495489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.495489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.495489][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.495489][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.495489][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.495489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.495489][   T10] 
[ 2550.497478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.497478][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.497478][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.497478][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.497478][   T10]      ip6_route_add+0x1c/0x140
[ 2550.497478][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2550.497478][   T10]      addrconf_add_dev+0xe2/0x170
[ 2550.497478][   T10]      inet6_addr_add+0x12f/0xa40
[ 2550.497478][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.497478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.497478][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.497478][   T10]      netlink_unicast+0x449/0x710
[ 2550.497478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.497478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.497478][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.497478][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.497478][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.497478][   T10] 
[ 2550.499621][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.499621][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2550.499621][   T10]      ipv6_find_idev+0x102/0x170
[ 2550.499621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2550.499621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.499621][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.499621][   T10]      netlink_unicast+0x449/0x710
[ 2550.499621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.499621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.499621][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.499621][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.499621][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.499621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.499621][   T10] 
[ 2550.501336][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2550.501336][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2550.501336][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2550.501336][   T10]      ipv6_find_idev+0x102/0x170
[ 2550.501336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2550.501336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.501336][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.501336][   T10]      netlink_unicast+0x449/0x710
[ 2550.501336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.501336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.501336][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.501336][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.501336][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.501336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.501336][   T10] 
[ 2550.503275][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2550.503583][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2550.503583][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.503583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.503583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.503583][   T10]      ip6_route_add+0x1c/0x140
[ 2550.503583][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2550.503583][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2550.503583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.503583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.503583][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.503583][   T10]      netlink_unicast+0x449/0x710
[ 2550.503583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.503583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.503583][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.503583][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.503583][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.503583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.503583][   T10] 
[ 2550.505753][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2550.505753][   T10]      netdev_get_by_index+0x5e/0x80
[ 2550.505753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2550.505753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2550.505753][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2550.505753][   T10]      ipv6_add_addr+0x411/0x2000
[ 2550.505753][   T10]      inet6_addr_add+0x30e/0xa40
[ 2550.505753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2550.505753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.505753][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.505753][   T10]      netlink_unicast+0x449/0x710
[ 2550.505753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.505753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.505753][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.505753][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.505753][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.505753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.505753][   T10] 
[ 2550.507981][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2550.507981][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2550.507981][   T10]      ipv6_find_idev+0x102/0x170
[ 2550.507981][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2550.507981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.507981][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.507981][   T10]      netlink_unicast+0x449/0x710
[ 2550.507981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.507981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.507981][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.507981][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.507981][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.507981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.507981][   T10] 
[ 2550.509699][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2550.509699][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2550.509699][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2550.509699][   T10]      ipv6_find_idev+0x102/0x170
[ 2550.509699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2550.509699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2550.509699][   T10]      netlink_rcv_skb+0x130/0x360
[ 2550.509699][   T10]      netlink_unicast+0x449/0x710
[ 2550.509699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2550.509699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2550.509699][   T10]      ___sys_sendmsg+0xee/0x170
[ 2550.509699][   T10]      __sys_sendmsg+0xcd/0x170
[ 2550.509699][   T10]      do_syscall_64+0xc6/0x1e0
[ 2550.509699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2550.509699][   T10] 
[ 2560.752792][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2560.753274][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.753274][   T10]      dst_init+0x84/0x4a0
[ 2560.753274][   T10]      dst_alloc+0x97/0x150
[ 2560.753274][   T10]      ip6_dst_alloc+0x23/0x90
[ 2560.753274][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2560.753274][   T10]      ip6_pol_route+0x56f/0x840
[ 2560.753274][   T10]      fib6_rule_lookup+0x456/0x630
[ 2560.753274][   T10]      ip6_route_input+0x59c/0xa50
[ 2560.753274][   T10]      ipv6_rcv+0x397/0x810
[ 2560.753274][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2560.753274][   T10]      process_backlog+0x101/0x620
[ 2560.753274][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2560.753274][   T10]      net_rx_action+0x495/0xbe0
[ 2560.753274][   T10]      __do_softirq+0x1b5/0x7f6
[ 2560.753274][   T10] 
[ 2560.754983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.754983][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2560.754983][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2560.754983][   T10]      fib6_nh_init+0xa22/0x1580
[ 2560.754983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.754983][   T10]      ip6_route_add+0x1c/0x140
[ 2560.754983][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2560.754983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.754983][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.754983][   T10]      netlink_unicast+0x449/0x710
[ 2560.754983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.754983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.754983][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.754983][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.754983][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.754983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.754983][   T10] 
[ 2560.756878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.756878][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.756878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.756878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.756878][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2560.756878][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2560.756878][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2560.756878][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2560.756878][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2560.756878][   T10]      addrconf_dad_begin+0x310/0x670
[ 2560.756878][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2560.756878][   T10]      process_one_work+0x84d/0x18a0
[ 2560.756878][   T10]      worker_thread+0x587/0xd30
[ 2560.756878][   T10]      kthread+0x28a/0x350
[ 2560.756878][   T10]      ret_from_fork+0x31/0x70
[ 2560.756878][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2560.756878][   T10] 
[ 2560.758795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.758795][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.758795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.758795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.758795][   T10]      ip6_route_add+0x1c/0x140
[ 2560.758795][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2560.758795][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2560.758795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.758795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.758795][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.758795][   T10]      netlink_unicast+0x449/0x710
[ 2560.758795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.758795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.758795][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.758795][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.758795][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.758795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.758795][   T10] 
[ 2560.760821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.760821][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.760821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.760821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.760821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2560.760821][   T10]      ipv6_add_addr+0x411/0x2000
[ 2560.760821][   T10]      inet6_addr_add+0x30e/0xa40
[ 2560.760821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.760821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.760821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.760821][   T10]      netlink_unicast+0x449/0x710
[ 2560.760821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.760821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.760821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.760821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.760821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.760821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.760821][   T10] 
[ 2560.762806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.762806][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.762806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.762806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.762806][   T10]      ip6_route_add+0x1c/0x140
[ 2560.762806][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2560.762806][   T10]      addrconf_add_dev+0xe2/0x170
[ 2560.762806][   T10]      inet6_addr_add+0x12f/0xa40
[ 2560.762806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.762806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.762806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.762806][   T10]      netlink_unicast+0x449/0x710
[ 2560.762806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.762806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.762806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.762806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.762806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.762806][   T10] 
[ 2560.764714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.764714][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2560.764714][   T10]      ipv6_find_idev+0x102/0x170
[ 2560.764714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2560.764714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.764714][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.764714][   T10]      netlink_unicast+0x449/0x710
[ 2560.764714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.764714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.764714][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.764714][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.764714][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.764714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.764714][   T10] 
[ 2560.766279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2560.766279][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2560.766279][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2560.766279][   T10]      ipv6_find_idev+0x102/0x170
[ 2560.766279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2560.766279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.766279][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.766279][   T10]      netlink_unicast+0x449/0x710
[ 2560.766279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.766279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.766279][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.766279][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.766279][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.766279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.766279][   T10] 
[ 2560.767961][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2560.768210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.768210][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2560.768210][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2560.768210][   T10]      fib6_nh_init+0xa22/0x1580
[ 2560.768210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.768210][   T10]      ip6_route_add+0x1c/0x140
[ 2560.768210][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2560.768210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.768210][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.768210][   T10]      netlink_unicast+0x449/0x710
[ 2560.768210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.768210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.768210][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.768210][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.768210][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.768210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.768210][   T10] 
[ 2560.770065][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.770065][   T10]      dst_init+0x84/0x4a0
[ 2560.770065][   T10]      dst_alloc+0x97/0x150
[ 2560.770065][   T10]      ip6_dst_alloc+0x23/0x90
[ 2560.770065][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2560.770065][   T10]      ip6_pol_route+0x56f/0x840
[ 2560.770065][   T10]      fib6_rule_lookup+0x456/0x630
[ 2560.770065][   T10]      ip6_route_input+0x59c/0xa50
[ 2560.770065][   T10]      ipv6_rcv+0x397/0x810
[ 2560.770065][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2560.770065][   T10]      process_backlog+0x101/0x620
[ 2560.770065][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2560.770065][   T10]      net_rx_action+0x495/0xbe0
[ 2560.770065][   T10]      __do_softirq+0x1b5/0x7f6
[ 2560.770065][   T10] 
[ 2560.771649][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.771649][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.771649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.771649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.771649][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2560.771649][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2560.771649][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2560.771649][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2560.771649][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2560.771649][   T10]      addrconf_dad_begin+0x310/0x670
[ 2560.771649][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2560.771649][   T10]      process_one_work+0x84d/0x18a0
[ 2560.771649][   T10]      worker_thread+0x587/0xd30
[ 2560.771649][   T10]      kthread+0x28a/0x350
[ 2560.771649][   T10]      ret_from_fork+0x31/0x70
[ 2560.771649][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2560.771649][   T10] 
[ 2560.773498][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.773498][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.773498][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.773498][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.773498][   T10]      ip6_route_add+0x1c/0x140
[ 2560.773498][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2560.773498][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2560.773498][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.773498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.773498][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.773498][   T10]      netlink_unicast+0x449/0x710
[ 2560.773498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.773498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.773498][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.773498][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.773498][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.773498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.773498][   T10] 
[ 2560.775436][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.775436][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.775436][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.775436][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.775436][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2560.775436][   T10]      ipv6_add_addr+0x411/0x2000
[ 2560.775436][   T10]      inet6_addr_add+0x30e/0xa40
[ 2560.775436][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.775436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.775436][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.775436][   T10]      netlink_unicast+0x449/0x710
[ 2560.775436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.775436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.775436][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.775436][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.775436][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.775436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.775436][   T10] 
[ 2560.777384][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.777384][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.777384][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.777384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.777384][   T10]      ip6_route_add+0x1c/0x140
[ 2560.777384][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2560.777384][   T10]      addrconf_add_dev+0xe2/0x170
[ 2560.777384][   T10]      inet6_addr_add+0x12f/0xa40
[ 2560.777384][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.777384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.777384][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.777384][   T10]      netlink_unicast+0x449/0x710
[ 2560.777384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.777384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.777384][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.777384][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.777384][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.777384][   T10] 
[ 2560.779511][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.779511][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2560.779511][   T10]      ipv6_find_idev+0x102/0x170
[ 2560.779511][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2560.779511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.779511][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.779511][   T10]      netlink_unicast+0x449/0x710
[ 2560.779511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.779511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.779511][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.779511][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.779511][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.779511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.779511][   T10] 
[ 2560.781284][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2560.781284][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2560.781284][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2560.781284][   T10]      ipv6_find_idev+0x102/0x170
[ 2560.781284][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2560.781284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.781284][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.781284][   T10]      netlink_unicast+0x449/0x710
[ 2560.781284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.781284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.781284][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.781284][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.781284][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.781284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.781284][   T10] 
[ 2560.783116][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2560.783431][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2560.783431][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.783431][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.783431][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.783431][   T10]      ip6_route_add+0x1c/0x140
[ 2560.783431][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2560.783431][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2560.783431][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.783431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.783431][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.783431][   T10]      netlink_unicast+0x449/0x710
[ 2560.783431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.783431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.783431][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.783431][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.783431][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.783431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.783431][   T10] 
[ 2560.785630][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2560.785630][   T10]      netdev_get_by_index+0x5e/0x80
[ 2560.785630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2560.785630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2560.785630][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2560.785630][   T10]      ipv6_add_addr+0x411/0x2000
[ 2560.785630][   T10]      inet6_addr_add+0x30e/0xa40
[ 2560.785630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2560.785630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.785630][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.785630][   T10]      netlink_unicast+0x449/0x710
[ 2560.785630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.785630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.785630][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.785630][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.785630][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.785630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.785630][   T10] 
[ 2560.787868][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2560.787868][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2560.787868][   T10]      ipv6_find_idev+0x102/0x170
[ 2560.787868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2560.787868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.787868][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.787868][   T10]      netlink_unicast+0x449/0x710
[ 2560.787868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.787868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.787868][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.787868][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.787868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.787868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.787868][   T10] 
[ 2560.789657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2560.789657][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2560.789657][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2560.789657][   T10]      ipv6_find_idev+0x102/0x170
[ 2560.789657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2560.789657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2560.789657][   T10]      netlink_rcv_skb+0x130/0x360
[ 2560.789657][   T10]      netlink_unicast+0x449/0x710
[ 2560.789657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2560.789657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2560.789657][   T10]      ___sys_sendmsg+0xee/0x170
[ 2560.789657][   T10]      __sys_sendmsg+0xcd/0x170
[ 2560.789657][   T10]      do_syscall_64+0xc6/0x1e0
[ 2560.789657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2560.789657][   T10] 
[ 2571.032769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2571.033274][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.033274][   T10]      dst_init+0x84/0x4a0
[ 2571.033274][   T10]      dst_alloc+0x97/0x150
[ 2571.033274][   T10]      ip6_dst_alloc+0x23/0x90
[ 2571.033274][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2571.033274][   T10]      ip6_pol_route+0x56f/0x840
[ 2571.033274][   T10]      fib6_rule_lookup+0x456/0x630
[ 2571.033274][   T10]      ip6_route_input+0x59c/0xa50
[ 2571.033274][   T10]      ipv6_rcv+0x397/0x810
[ 2571.033274][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2571.033274][   T10]      process_backlog+0x101/0x620
[ 2571.033274][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2571.033274][   T10]      net_rx_action+0x495/0xbe0
[ 2571.033274][   T10]      __do_softirq+0x1b5/0x7f6
[ 2571.033274][   T10] 
[ 2571.034956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.034956][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2571.034956][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2571.034956][   T10]      fib6_nh_init+0xa22/0x1580
[ 2571.034956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.034956][   T10]      ip6_route_add+0x1c/0x140
[ 2571.034956][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2571.034956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.034956][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.034956][   T10]      netlink_unicast+0x449/0x710
[ 2571.034956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.034956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.034956][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.034956][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.034956][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.034956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.034956][   T10] 
[ 2571.036860][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.036860][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.036860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.036860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.036860][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2571.036860][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2571.036860][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2571.036860][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2571.036860][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2571.036860][   T10]      addrconf_dad_begin+0x310/0x670
[ 2571.036860][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2571.036860][   T10]      process_one_work+0x84d/0x18a0
[ 2571.036860][   T10]      worker_thread+0x587/0xd30
[ 2571.036860][   T10]      kthread+0x28a/0x350
[ 2571.036860][   T10]      ret_from_fork+0x31/0x70
[ 2571.036860][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2571.036860][   T10] 
[ 2571.038761][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.038761][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.038761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.038761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.038761][   T10]      ip6_route_add+0x1c/0x140
[ 2571.038761][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2571.038761][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2571.038761][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.038761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.038761][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.038761][   T10]      netlink_unicast+0x449/0x710
[ 2571.038761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.038761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.038761][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.038761][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.038761][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.038761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.038761][   T10] 
[ 2571.040724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.040724][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.040724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.040724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.040724][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2571.040724][   T10]      ipv6_add_addr+0x411/0x2000
[ 2571.040724][   T10]      inet6_addr_add+0x30e/0xa40
[ 2571.040724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.040724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.040724][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.040724][   T10]      netlink_unicast+0x449/0x710
[ 2571.040724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.040724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.040724][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.040724][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.040724][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.040724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.040724][   T10] 
[ 2571.042672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.042672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.042672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.042672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.042672][   T10]      ip6_route_add+0x1c/0x140
[ 2571.042672][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2571.042672][   T10]      addrconf_add_dev+0xe2/0x170
[ 2571.042672][   T10]      inet6_addr_add+0x12f/0xa40
[ 2571.042672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.042672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.042672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.042672][   T10]      netlink_unicast+0x449/0x710
[ 2571.042672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.042672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.042672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.042672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.042672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.042672][   T10] 
[ 2571.044635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.044635][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2571.044635][   T10]      ipv6_find_idev+0x102/0x170
[ 2571.044635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2571.044635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.044635][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.044635][   T10]      netlink_unicast+0x449/0x710
[ 2571.044635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.044635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.044635][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.044635][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.044635][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.044635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.044635][   T10] 
[ 2571.046204][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2571.046204][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2571.046204][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2571.046204][   T10]      ipv6_find_idev+0x102/0x170
[ 2571.046204][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2571.046204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.046204][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.046204][   T10]      netlink_unicast+0x449/0x710
[ 2571.046204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.046204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.046204][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.046204][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.046204][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.046204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.046204][   T10] 
[ 2571.047890][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2571.048124][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.048124][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2571.048124][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2571.048124][   T10]      fib6_nh_init+0xa22/0x1580
[ 2571.048124][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.048124][   T10]      ip6_route_add+0x1c/0x140
[ 2571.048124][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2571.048124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.048124][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.048124][   T10]      netlink_unicast+0x449/0x710
[ 2571.048124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.048124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.048124][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.048124][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.048124][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.048124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.048124][   T10] 
[ 2571.049994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.049994][   T10]      dst_init+0x84/0x4a0
[ 2571.049994][   T10]      dst_alloc+0x97/0x150
[ 2571.049994][   T10]      ip6_dst_alloc+0x23/0x90
[ 2571.049994][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2571.049994][   T10]      ip6_pol_route+0x56f/0x840
[ 2571.049994][   T10]      fib6_rule_lookup+0x456/0x630
[ 2571.049994][   T10]      ip6_route_input+0x59c/0xa50
[ 2571.049994][   T10]      ipv6_rcv+0x397/0x810
[ 2571.049994][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2571.049994][   T10]      process_backlog+0x101/0x620
[ 2571.049994][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2571.049994][   T10]      net_rx_action+0x495/0xbe0
[ 2571.049994][   T10]      __do_softirq+0x1b5/0x7f6
[ 2571.049994][   T10] 
[ 2571.051579][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.051579][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.051579][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.051579][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.051579][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2571.051579][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2571.051579][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2571.051579][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2571.051579][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2571.051579][   T10]      addrconf_dad_begin+0x310/0x670
[ 2571.051579][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2571.051579][   T10]      process_one_work+0x84d/0x18a0
[ 2571.051579][   T10]      worker_thread+0x587/0xd30
[ 2571.051579][   T10]      kthread+0x28a/0x350
[ 2571.051579][   T10]      ret_from_fork+0x31/0x70
[ 2571.051579][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2571.051579][   T10] 
[ 2571.053431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.053431][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.053431][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.053431][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.053431][   T10]      ip6_route_add+0x1c/0x140
[ 2571.053431][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2571.053431][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2571.053431][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.053431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.053431][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.053431][   T10]      netlink_unicast+0x449/0x710
[ 2571.053431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.053431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.053431][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.053431][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.053431][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.053431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.053431][   T10] 
[ 2571.055377][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.055377][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.055377][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.055377][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.055377][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2571.055377][   T10]      ipv6_add_addr+0x411/0x2000
[ 2571.055377][   T10]      inet6_addr_add+0x30e/0xa40
[ 2571.055377][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.055377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.055377][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.055377][   T10]      netlink_unicast+0x449/0x710
[ 2571.055377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.055377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.055377][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.055377][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.055377][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.055377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.055377][   T10] 
[ 2571.057345][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.057345][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.057345][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.057345][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.057345][   T10]      ip6_route_add+0x1c/0x140
[ 2571.057345][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2571.057345][   T10]      addrconf_add_dev+0xe2/0x170
[ 2571.057345][   T10]      inet6_addr_add+0x12f/0xa40
[ 2571.057345][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.057345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.057345][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.057345][   T10]      netlink_unicast+0x449/0x710
[ 2571.057345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.057345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.057345][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.057345][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.057345][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.057345][   T10] 
[ 2571.059457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.059457][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2571.059457][   T10]      ipv6_find_idev+0x102/0x170
[ 2571.059457][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2571.059457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.059457][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.059457][   T10]      netlink_unicast+0x449/0x710
[ 2571.059457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.059457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.059457][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.059457][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.059457][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.059457][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.059457][   T10] 
[ 2571.061132][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2571.061132][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2571.061132][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2571.061132][   T10]      ipv6_find_idev+0x102/0x170
[ 2571.061132][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2571.061132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.061132][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.061132][   T10]      netlink_unicast+0x449/0x710
[ 2571.061132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.061132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.061132][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.061132][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.061132][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.061132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.061132][   T10] 
[ 2571.063072][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2571.063367][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2571.063367][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.063367][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.063367][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.063367][   T10]      ip6_route_add+0x1c/0x140
[ 2571.063367][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2571.063367][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2571.063367][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.063367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.063367][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.063367][   T10]      netlink_unicast+0x449/0x710
[ 2571.063367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.063367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.063367][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.063367][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.063367][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.063367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.063367][   T10] 
[ 2571.065560][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2571.065560][   T10]      netdev_get_by_index+0x5e/0x80
[ 2571.065560][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2571.065560][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2571.065560][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2571.065560][   T10]      ipv6_add_addr+0x411/0x2000
[ 2571.065560][   T10]      inet6_addr_add+0x30e/0xa40
[ 2571.065560][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2571.065560][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.065560][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.065560][   T10]      netlink_unicast+0x449/0x710
[ 2571.065560][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.065560][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.065560][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.065560][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.065560][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.065560][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.065560][   T10] 
[ 2571.067798][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2571.067798][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2571.067798][   T10]      ipv6_find_idev+0x102/0x170
[ 2571.067798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2571.067798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.067798][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.067798][   T10]      netlink_unicast+0x449/0x710
[ 2571.067798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.067798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.067798][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.067798][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.067798][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.067798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.067798][   T10] 
[ 2571.069513][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2571.069513][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2571.069513][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2571.069513][   T10]      ipv6_find_idev+0x102/0x170
[ 2571.069513][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2571.069513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2571.069513][   T10]      netlink_rcv_skb+0x130/0x360
[ 2571.069513][   T10]      netlink_unicast+0x449/0x710
[ 2571.069513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2571.069513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2571.069513][   T10]      ___sys_sendmsg+0xee/0x170
[ 2571.069513][   T10]      __sys_sendmsg+0xcd/0x170
[ 2571.069513][   T10]      do_syscall_64+0xc6/0x1e0
[ 2571.069513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2571.069513][   T10] 
[ 2581.312809][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2581.313341][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.313341][   T10]      dst_init+0x84/0x4a0
[ 2581.313341][   T10]      dst_alloc+0x97/0x150
[ 2581.313341][   T10]      ip6_dst_alloc+0x23/0x90
[ 2581.313341][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2581.313341][   T10]      ip6_pol_route+0x56f/0x840
[ 2581.313341][   T10]      fib6_rule_lookup+0x456/0x630
[ 2581.313341][   T10]      ip6_route_input+0x59c/0xa50
[ 2581.313341][   T10]      ipv6_rcv+0x397/0x810
[ 2581.313341][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2581.313341][   T10]      process_backlog+0x101/0x620
[ 2581.313341][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2581.313341][   T10]      net_rx_action+0x495/0xbe0
[ 2581.313341][   T10]      __do_softirq+0x1b5/0x7f6
[ 2581.313341][   T10] 
[ 2581.315022][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.315022][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2581.315022][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2581.315022][   T10]      fib6_nh_init+0xa22/0x1580
[ 2581.315022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.315022][   T10]      ip6_route_add+0x1c/0x140
[ 2581.315022][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2581.315022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.315022][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.315022][   T10]      netlink_unicast+0x449/0x710
[ 2581.315022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.315022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.315022][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.315022][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.315022][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.315022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.315022][   T10] 
[ 2581.316877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.316877][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.316877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.316877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.316877][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2581.316877][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2581.316877][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2581.316877][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2581.316877][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2581.316877][   T10]      addrconf_dad_begin+0x310/0x670
[ 2581.316877][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2581.316877][   T10]      process_one_work+0x84d/0x18a0
[ 2581.316877][   T10]      worker_thread+0x587/0xd30
[ 2581.316877][   T10]      kthread+0x28a/0x350
[ 2581.316877][   T10]      ret_from_fork+0x31/0x70
[ 2581.316877][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2581.316877][   T10] 
[ 2581.318809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.318809][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.318809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.318809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.318809][   T10]      ip6_route_add+0x1c/0x140
[ 2581.318809][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2581.318809][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2581.318809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.318809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.318809][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.318809][   T10]      netlink_unicast+0x449/0x710
[ 2581.318809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.318809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.318809][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.318809][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.318809][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.318809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.318809][   T10] 
[ 2581.320821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.320821][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.320821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.320821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.320821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2581.320821][   T10]      ipv6_add_addr+0x411/0x2000
[ 2581.320821][   T10]      inet6_addr_add+0x30e/0xa40
[ 2581.320821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.320821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.320821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.320821][   T10]      netlink_unicast+0x449/0x710
[ 2581.320821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.320821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.320821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.320821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.320821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.320821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.320821][   T10] 
[ 2581.322828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.322828][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.322828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.322828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.322828][   T10]      ip6_route_add+0x1c/0x140
[ 2581.322828][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2581.322828][   T10]      addrconf_add_dev+0xe2/0x170
[ 2581.322828][   T10]      inet6_addr_add+0x12f/0xa40
[ 2581.322828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.322828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.322828][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.322828][   T10]      netlink_unicast+0x449/0x710
[ 2581.322828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.322828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.322828][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.322828][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.322828][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.322828][   T10] 
[ 2581.324824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.324824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2581.324824][   T10]      ipv6_find_idev+0x102/0x170
[ 2581.324824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2581.324824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.324824][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.324824][   T10]      netlink_unicast+0x449/0x710
[ 2581.324824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.324824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.324824][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.324824][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.324824][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.324824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.324824][   T10] 
[ 2581.326368][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2581.326368][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2581.326368][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2581.326368][   T10]      ipv6_find_idev+0x102/0x170
[ 2581.326368][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2581.326368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.326368][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.326368][   T10]      netlink_unicast+0x449/0x710
[ 2581.326368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.326368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.326368][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.326368][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.326368][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.326368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.326368][   T10] 
[ 2581.328100][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2581.328338][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.328338][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2581.328338][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2581.328338][   T10]      fib6_nh_init+0xa22/0x1580
[ 2581.328338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.328338][   T10]      ip6_route_add+0x1c/0x140
[ 2581.328338][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2581.328338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.328338][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.328338][   T10]      netlink_unicast+0x449/0x710
[ 2581.328338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.328338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.328338][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.328338][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.328338][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.328338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.328338][   T10] 
[ 2581.330222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.330222][   T10]      dst_init+0x84/0x4a0
[ 2581.330222][   T10]      dst_alloc+0x97/0x150
[ 2581.330222][   T10]      ip6_dst_alloc+0x23/0x90
[ 2581.330222][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2581.330222][   T10]      ip6_pol_route+0x56f/0x840
[ 2581.330222][   T10]      fib6_rule_lookup+0x456/0x630
[ 2581.330222][   T10]      ip6_route_input+0x59c/0xa50
[ 2581.330222][   T10]      ipv6_rcv+0x397/0x810
[ 2581.330222][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2581.330222][   T10]      process_backlog+0x101/0x620
[ 2581.330222][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2581.330222][   T10]      net_rx_action+0x495/0xbe0
[ 2581.330222][   T10]      __do_softirq+0x1b5/0x7f6
[ 2581.330222][   T10] 
[ 2581.331857][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.331857][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.331857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.331857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.331857][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2581.331857][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2581.331857][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2581.331857][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2581.331857][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2581.331857][   T10]      addrconf_dad_begin+0x310/0x670
[ 2581.331857][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2581.331857][   T10]      process_one_work+0x84d/0x18a0
[ 2581.331857][   T10]      worker_thread+0x587/0xd30
[ 2581.331857][   T10]      kthread+0x28a/0x350
[ 2581.331857][   T10]      ret_from_fork+0x31/0x70
[ 2581.331857][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2581.331857][   T10] 
[ 2581.333805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.333805][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.333805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.333805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.333805][   T10]      ip6_route_add+0x1c/0x140
[ 2581.333805][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2581.333805][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2581.333805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.333805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.333805][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.333805][   T10]      netlink_unicast+0x449/0x710
[ 2581.333805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.333805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.333805][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.333805][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.333805][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.333805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.333805][   T10] 
[ 2581.335801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.335801][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.335801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.335801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.335801][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2581.335801][   T10]      ipv6_add_addr+0x411/0x2000
[ 2581.335801][   T10]      inet6_addr_add+0x30e/0xa40
[ 2581.335801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.335801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.335801][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.335801][   T10]      netlink_unicast+0x449/0x710
[ 2581.335801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.335801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.335801][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.335801][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.335801][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.335801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.335801][   T10] 
[ 2581.337799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.337799][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.337799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.337799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.337799][   T10]      ip6_route_add+0x1c/0x140
[ 2581.337799][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2581.337799][   T10]      addrconf_add_dev+0xe2/0x170
[ 2581.337799][   T10]      inet6_addr_add+0x12f/0xa40
[ 2581.337799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.337799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.337799][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.337799][   T10]      netlink_unicast+0x449/0x710
[ 2581.337799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.337799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.337799][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.337799][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.337799][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.337799][   T10] 
[ 2581.339969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.339969][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2581.339969][   T10]      ipv6_find_idev+0x102/0x170
[ 2581.339969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2581.339969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.339969][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.339969][   T10]      netlink_unicast+0x449/0x710
[ 2581.339969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.339969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.339969][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.339969][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.339969][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.339969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.339969][   T10] 
[ 2581.341748][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2581.341748][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2581.341748][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2581.341748][   T10]      ipv6_find_idev+0x102/0x170
[ 2581.341748][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2581.341748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.341748][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.341748][   T10]      netlink_unicast+0x449/0x710
[ 2581.341748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.341748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.341748][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.341748][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.341748][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.341748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.341748][   T10] 
[ 2581.343621][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2581.343921][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2581.343921][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.343921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.343921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.343921][   T10]      ip6_route_add+0x1c/0x140
[ 2581.343921][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2581.343921][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2581.343921][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.343921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.343921][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.343921][   T10]      netlink_unicast+0x449/0x710
[ 2581.343921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.343921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.343921][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.343921][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.343921][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.343921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.343921][   T10] 
[ 2581.346106][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2581.346106][   T10]      netdev_get_by_index+0x5e/0x80
[ 2581.346106][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2581.346106][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2581.346106][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2581.346106][   T10]      ipv6_add_addr+0x411/0x2000
[ 2581.346106][   T10]      inet6_addr_add+0x30e/0xa40
[ 2581.346106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2581.346106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.346106][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.346106][   T10]      netlink_unicast+0x449/0x710
[ 2581.346106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.346106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.346106][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.346106][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.346106][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.346106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.346106][   T10] 
[ 2581.348359][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2581.348359][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2581.348359][   T10]      ipv6_find_idev+0x102/0x170
[ 2581.348359][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2581.348359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.348359][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.348359][   T10]      netlink_unicast+0x449/0x710
[ 2581.348359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.348359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.348359][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.348359][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.348359][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.348359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.348359][   T10] 
[ 2581.350147][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2581.350147][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2581.350147][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2581.350147][   T10]      ipv6_find_idev+0x102/0x170
[ 2581.350147][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2581.350147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2581.350147][   T10]      netlink_rcv_skb+0x130/0x360
[ 2581.350147][   T10]      netlink_unicast+0x449/0x710
[ 2581.350147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2581.350147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2581.350147][   T10]      ___sys_sendmsg+0xee/0x170
[ 2581.350147][   T10]      __sys_sendmsg+0xcd/0x170
[ 2581.350147][   T10]      do_syscall_64+0xc6/0x1e0
[ 2581.350147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.350147][   T10] 
[ 2581.800879][   T42] INFO: task modprobe:7622 blocked for more than 1105 seconds.
[ 2581.801209][   T42]       Not tainted 6.8.0-virtme #1
[ 2581.801324][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2581.801518][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 2581.801792][   T42] Call Trace:
[ 2581.801887][   T42]  <TASK>
[ 2581.801959][   T42]  __schedule+0x705/0x1ac0
[ 2581.802090][   T42]  ? __pfx___schedule+0x10/0x10
[ 2581.802211][   T42]  ? schedule+0x1a5/0x210
[ 2581.802306][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2581.802433][   T42]  ? mark_lock+0x38/0x3e0
[ 2581.802529][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2581.802664][   T42]  ? schedule+0x1a5/0x210
[ 2581.802760][   T42]  schedule+0xdf/0x210
[ 2581.802861][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2581.802985][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2581.803111][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2581.803291][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 2581.803418][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2581.803560][   T42]  ? lock_acquire+0x1c1/0x220
[ 2581.803694][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2581.803826][   T42]  down_write+0x1c9/0x200
[ 2581.803922][   T42]  ? __pfx_down_write+0x10/0x10
[ 2581.804073][   T42]  ? __pfx__printk+0x10/0x10
[ 2581.804230][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2581.804358][   T42]  register_pernet_subsys+0x1a/0x50
[ 2581.804481][   T42]  tcf_register_action+0xa3/0x600
[ 2581.804626][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 2581.804782][   T42]  do_one_initcall+0xc8/0x3f0
[ 2581.804905][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2581.805032][   T42]  ? __create_object+0x5e/0xb0
[ 2581.805161][   T42]  ? kasan_unpoison+0x27/0x60
[ 2581.805286][   T42]  do_init_module+0x233/0x740
[ 2581.805419][   T42]  load_module+0x16b5/0x2350
[ 2581.805550][   T42]  ? __pfx_load_module+0x10/0x10
[ 2581.805679][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2581.805820][   T42]  ? kernel_read_file+0x300/0x520
[ 2581.805943][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2581.806070][   T42]  ? init_module_from_file+0xd2/0x130
[ 2581.806193][   T42]  init_module_from_file+0xd2/0x130
[ 2581.806313][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2581.806480][   T42]  ? __lock_release+0x103/0x460
[ 2581.806644][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2581.806780][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2581.806904][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2581.807032][   T42]  idempotent_init_module+0x342/0x620
[ 2581.807168][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2581.807340][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2581.807465][   T42]  do_syscall_64+0xc6/0x1e0
[ 2581.807602][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2581.807751][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 2581.807876][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2581.808057][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 2581.808241][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 2581.808437][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 2581.808629][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 2581.808812][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 2581.809006][   T42]  </TASK>
[ 2581.809103][   T42] 
[ 2581.809103][   T42] Showing all locks held in the system:
[ 2581.809285][   T42] 3 locks held by kworker/u16:0/10:
[ 2581.809414][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2581.809667][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2581.809883][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2581.810119][   T42] 2 locks held by kworker/u20:0/39:
[ 2581.810236][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2581.810482][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2581.810779][   T42] 1 lock held by khungtaskd/42:
[ 2581.810896][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2581.811118][   T42] 1 lock held by modprobe/7622:
[ 2581.811232][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2581.811495][   T42] 
[ 2581.811556][   T42] =============================================
[ 2581.811556][   T42] 
[ 2591.472761][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2591.473242][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.473242][   T10]      dst_init+0x84/0x4a0
[ 2591.473242][   T10]      dst_alloc+0x97/0x150
[ 2591.473242][   T10]      ip6_dst_alloc+0x23/0x90
[ 2591.473242][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2591.473242][   T10]      ip6_pol_route+0x56f/0x840
[ 2591.473242][   T10]      fib6_rule_lookup+0x456/0x630
[ 2591.473242][   T10]      ip6_route_input+0x59c/0xa50
[ 2591.473242][   T10]      ipv6_rcv+0x397/0x810
[ 2591.473242][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2591.473242][   T10]      process_backlog+0x101/0x620
[ 2591.473242][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2591.473242][   T10]      net_rx_action+0x495/0xbe0
[ 2591.473242][   T10]      __do_softirq+0x1b5/0x7f6
[ 2591.473242][   T10] 
[ 2591.474970][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.474970][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2591.474970][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2591.474970][   T10]      fib6_nh_init+0xa22/0x1580
[ 2591.474970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.474970][   T10]      ip6_route_add+0x1c/0x140
[ 2591.474970][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2591.474970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.474970][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.474970][   T10]      netlink_unicast+0x449/0x710
[ 2591.474970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.474970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.474970][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.474970][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.474970][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.474970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.474970][   T10] 
[ 2591.476826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.476826][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.476826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.476826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.476826][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2591.476826][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2591.476826][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2591.476826][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2591.476826][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2591.476826][   T10]      addrconf_dad_begin+0x310/0x670
[ 2591.476826][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2591.476826][   T10]      process_one_work+0x84d/0x18a0
[ 2591.476826][   T10]      worker_thread+0x587/0xd30
[ 2591.476826][   T10]      kthread+0x28a/0x350
[ 2591.476826][   T10]      ret_from_fork+0x31/0x70
[ 2591.476826][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2591.476826][   T10] 
[ 2591.478688][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.478688][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.478688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.478688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.478688][   T10]      ip6_route_add+0x1c/0x140
[ 2591.478688][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2591.478688][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2591.478688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.478688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.478688][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.478688][   T10]      netlink_unicast+0x449/0x710
[ 2591.478688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.478688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.478688][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.478688][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.478688][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.478688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.478688][   T10] 
[ 2591.480640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.480640][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.480640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.480640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.480640][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2591.480640][   T10]      ipv6_add_addr+0x411/0x2000
[ 2591.480640][   T10]      inet6_addr_add+0x30e/0xa40
[ 2591.480640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.480640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.480640][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.480640][   T10]      netlink_unicast+0x449/0x710
[ 2591.480640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.480640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.480640][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.480640][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.480640][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.480640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.480640][   T10] 
[ 2591.482593][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.482593][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.482593][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.482593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.482593][   T10]      ip6_route_add+0x1c/0x140
[ 2591.482593][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2591.482593][   T10]      addrconf_add_dev+0xe2/0x170
[ 2591.482593][   T10]      inet6_addr_add+0x12f/0xa40
[ 2591.482593][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.482593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.482593][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.482593][   T10]      netlink_unicast+0x449/0x710
[ 2591.482593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.482593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.482593][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.482593][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.482593][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.482593][   T10] 
[ 2591.484528][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.484528][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2591.484528][   T10]      ipv6_find_idev+0x102/0x170
[ 2591.484528][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2591.484528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.484528][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.484528][   T10]      netlink_unicast+0x449/0x710
[ 2591.484528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.484528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.484528][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.484528][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.484528][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.484528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.484528][   T10] 
[ 2591.486074][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2591.486074][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2591.486074][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2591.486074][   T10]      ipv6_find_idev+0x102/0x170
[ 2591.486074][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2591.486074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.486074][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.486074][   T10]      netlink_unicast+0x449/0x710
[ 2591.486074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.486074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.486074][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.486074][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.486074][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.486074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.486074][   T10] 
[ 2591.487718][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2591.488058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.488058][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2591.488058][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2591.488058][   T10]      fib6_nh_init+0xa22/0x1580
[ 2591.488058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.488058][   T10]      ip6_route_add+0x1c/0x140
[ 2591.488058][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2591.488058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.488058][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.488058][   T10]      netlink_unicast+0x449/0x710
[ 2591.488058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.488058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.488058][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.488058][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.488058][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.488058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.488058][   T10] 
[ 2591.489967][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.489967][   T10]      dst_init+0x84/0x4a0
[ 2591.489967][   T10]      dst_alloc+0x97/0x150
[ 2591.489967][   T10]      ip6_dst_alloc+0x23/0x90
[ 2591.489967][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2591.489967][   T10]      ip6_pol_route+0x56f/0x840
[ 2591.489967][   T10]      fib6_rule_lookup+0x456/0x630
[ 2591.489967][   T10]      ip6_route_input+0x59c/0xa50
[ 2591.489967][   T10]      ipv6_rcv+0x397/0x810
[ 2591.489967][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2591.489967][   T10]      process_backlog+0x101/0x620
[ 2591.489967][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2591.489967][   T10]      net_rx_action+0x495/0xbe0
[ 2591.489967][   T10]      __do_softirq+0x1b5/0x7f6
[ 2591.489967][   T10] 
[ 2591.491594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.491594][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.491594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.491594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.491594][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2591.491594][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2591.491594][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2591.491594][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2591.491594][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2591.491594][   T10]      addrconf_dad_begin+0x310/0x670
[ 2591.491594][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2591.491594][   T10]      process_one_work+0x84d/0x18a0
[ 2591.491594][   T10]      worker_thread+0x587/0xd30
[ 2591.491594][   T10]      kthread+0x28a/0x350
[ 2591.491594][   T10]      ret_from_fork+0x31/0x70
[ 2591.491594][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2591.491594][   T10] 
[ 2591.493527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.493527][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.493527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.493527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.493527][   T10]      ip6_route_add+0x1c/0x140
[ 2591.493527][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2591.493527][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2591.493527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.493527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.493527][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.493527][   T10]      netlink_unicast+0x449/0x710
[ 2591.493527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.493527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.493527][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.493527][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.493527][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.493527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.493527][   T10] 
[ 2591.495528][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.495528][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.495528][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.495528][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.495528][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2591.495528][   T10]      ipv6_add_addr+0x411/0x2000
[ 2591.495528][   T10]      inet6_addr_add+0x30e/0xa40
[ 2591.495528][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.495528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.495528][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.495528][   T10]      netlink_unicast+0x449/0x710
[ 2591.495528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.495528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.495528][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.495528][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.495528][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.495528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.495528][   T10] 
[ 2591.497524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.497524][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.497524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.497524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.497524][   T10]      ip6_route_add+0x1c/0x140
[ 2591.497524][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2591.497524][   T10]      addrconf_add_dev+0xe2/0x170
[ 2591.497524][   T10]      inet6_addr_add+0x12f/0xa40
[ 2591.497524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.497524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.497524][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.497524][   T10]      netlink_unicast+0x449/0x710
[ 2591.497524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.497524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.497524][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.497524][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.497524][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.497524][   T10] 
[ 2591.499663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.499663][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2591.499663][   T10]      ipv6_find_idev+0x102/0x170
[ 2591.499663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2591.499663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.499663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.499663][   T10]      netlink_unicast+0x449/0x710
[ 2591.499663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.499663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.499663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.499663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.499663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.499663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.499663][   T10] 
[ 2591.501380][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2591.501380][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2591.501380][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2591.501380][   T10]      ipv6_find_idev+0x102/0x170
[ 2591.501380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2591.501380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.501380][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.501380][   T10]      netlink_unicast+0x449/0x710
[ 2591.501380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.501380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.501380][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.501380][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.501380][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.501380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.501380][   T10] 
[ 2591.503307][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2591.503610][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2591.503610][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.503610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.503610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.503610][   T10]      ip6_route_add+0x1c/0x140
[ 2591.503610][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2591.503610][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2591.503610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.503610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.503610][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.503610][   T10]      netlink_unicast+0x449/0x710
[ 2591.503610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.503610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.503610][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.503610][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.503610][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.503610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.503610][   T10] 
[ 2591.505822][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2591.505822][   T10]      netdev_get_by_index+0x5e/0x80
[ 2591.505822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2591.505822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2591.505822][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2591.505822][   T10]      ipv6_add_addr+0x411/0x2000
[ 2591.505822][   T10]      inet6_addr_add+0x30e/0xa40
[ 2591.505822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2591.505822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.505822][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.505822][   T10]      netlink_unicast+0x449/0x710
[ 2591.505822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.505822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.505822][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.505822][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.505822][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.505822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.505822][   T10] 
[ 2591.508055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2591.508055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2591.508055][   T10]      ipv6_find_idev+0x102/0x170
[ 2591.508055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2591.508055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.508055][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.508055][   T10]      netlink_unicast+0x449/0x710
[ 2591.508055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.508055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.508055][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.508055][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.508055][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.508055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.508055][   T10] 
[ 2591.509770][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2591.509770][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2591.509770][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2591.509770][   T10]      ipv6_find_idev+0x102/0x170
[ 2591.509770][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2591.509770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2591.509770][   T10]      netlink_rcv_skb+0x130/0x360
[ 2591.509770][   T10]      netlink_unicast+0x449/0x710
[ 2591.509770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2591.509770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2591.509770][   T10]      ___sys_sendmsg+0xee/0x170
[ 2591.509770][   T10]      __sys_sendmsg+0xcd/0x170
[ 2591.509770][   T10]      do_syscall_64+0xc6/0x1e0
[ 2591.509770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2591.509770][   T10] 
[ 2601.752781][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2601.753384][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.753384][   T10]      dst_init+0x84/0x4a0
[ 2601.753384][   T10]      dst_alloc+0x97/0x150
[ 2601.753384][   T10]      ip6_dst_alloc+0x23/0x90
[ 2601.753384][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2601.753384][   T10]      ip6_pol_route+0x56f/0x840
[ 2601.753384][   T10]      fib6_rule_lookup+0x456/0x630
[ 2601.753384][   T10]      ip6_route_input+0x59c/0xa50
[ 2601.753384][   T10]      ipv6_rcv+0x397/0x810
[ 2601.753384][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2601.753384][   T10]      process_backlog+0x101/0x620
[ 2601.753384][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2601.753384][   T10]      net_rx_action+0x495/0xbe0
[ 2601.753384][   T10]      __do_softirq+0x1b5/0x7f6
[ 2601.753384][   T10] 
[ 2601.755074][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.755074][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2601.755074][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2601.755074][   T10]      fib6_nh_init+0xa22/0x1580
[ 2601.755074][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.755074][   T10]      ip6_route_add+0x1c/0x140
[ 2601.755074][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2601.755074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.755074][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.755074][   T10]      netlink_unicast+0x449/0x710
[ 2601.755074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.755074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.755074][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.755074][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.755074][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.755074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.755074][   T10] 
[ 2601.756923][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.756923][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.756923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.756923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.756923][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2601.756923][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2601.756923][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2601.756923][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2601.756923][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2601.756923][   T10]      addrconf_dad_begin+0x310/0x670
[ 2601.756923][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2601.756923][   T10]      process_one_work+0x84d/0x18a0
[ 2601.756923][   T10]      worker_thread+0x587/0xd30
[ 2601.756923][   T10]      kthread+0x28a/0x350
[ 2601.756923][   T10]      ret_from_fork+0x31/0x70
[ 2601.756923][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2601.756923][   T10] 
[ 2601.758826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.758826][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.758826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.758826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.758826][   T10]      ip6_route_add+0x1c/0x140
[ 2601.758826][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2601.758826][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2601.758826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.758826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.758826][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.758826][   T10]      netlink_unicast+0x449/0x710
[ 2601.758826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.758826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.758826][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.758826][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.758826][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.758826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.758826][   T10] 
[ 2601.760797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.760797][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.760797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.760797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.760797][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2601.760797][   T10]      ipv6_add_addr+0x411/0x2000
[ 2601.760797][   T10]      inet6_addr_add+0x30e/0xa40
[ 2601.760797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.760797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.760797][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.760797][   T10]      netlink_unicast+0x449/0x710
[ 2601.760797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.760797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.760797][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.760797][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.760797][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.760797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.760797][   T10] 
[ 2601.762756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.762756][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.762756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.762756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.762756][   T10]      ip6_route_add+0x1c/0x140
[ 2601.762756][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2601.762756][   T10]      addrconf_add_dev+0xe2/0x170
[ 2601.762756][   T10]      inet6_addr_add+0x12f/0xa40
[ 2601.762756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.762756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.762756][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.762756][   T10]      netlink_unicast+0x449/0x710
[ 2601.762756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.762756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.762756][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.762756][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.762756][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.762756][   T10] 
[ 2601.764731][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.764731][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2601.764731][   T10]      ipv6_find_idev+0x102/0x170
[ 2601.764731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2601.764731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.764731][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.764731][   T10]      netlink_unicast+0x449/0x710
[ 2601.764731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.764731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.764731][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.764731][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.764731][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.764731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.764731][   T10] 
[ 2601.766273][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2601.766273][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2601.766273][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2601.766273][   T10]      ipv6_find_idev+0x102/0x170
[ 2601.766273][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2601.766273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.766273][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.766273][   T10]      netlink_unicast+0x449/0x710
[ 2601.766273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.766273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.766273][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.766273][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.766273][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.766273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.766273][   T10] 
[ 2601.767989][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2601.768227][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.768227][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2601.768227][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2601.768227][   T10]      fib6_nh_init+0xa22/0x1580
[ 2601.768227][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.768227][   T10]      ip6_route_add+0x1c/0x140
[ 2601.768227][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2601.768227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.768227][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.768227][   T10]      netlink_unicast+0x449/0x710
[ 2601.768227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.768227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.768227][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.768227][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.768227][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.768227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.768227][   T10] 
[ 2601.770110][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.770110][   T10]      dst_init+0x84/0x4a0
[ 2601.770110][   T10]      dst_alloc+0x97/0x150
[ 2601.770110][   T10]      ip6_dst_alloc+0x23/0x90
[ 2601.770110][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2601.770110][   T10]      ip6_pol_route+0x56f/0x840
[ 2601.770110][   T10]      fib6_rule_lookup+0x456/0x630
[ 2601.770110][   T10]      ip6_route_input+0x59c/0xa50
[ 2601.770110][   T10]      ipv6_rcv+0x397/0x810
[ 2601.770110][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2601.770110][   T10]      process_backlog+0x101/0x620
[ 2601.770110][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2601.770110][   T10]      net_rx_action+0x495/0xbe0
[ 2601.770110][   T10]      __do_softirq+0x1b5/0x7f6
[ 2601.770110][   T10] 
[ 2601.771747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.771747][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.771747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.771747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.771747][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2601.771747][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2601.771747][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2601.771747][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2601.771747][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2601.771747][   T10]      addrconf_dad_begin+0x310/0x670
[ 2601.771747][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2601.771747][   T10]      process_one_work+0x84d/0x18a0
[ 2601.771747][   T10]      worker_thread+0x587/0xd30
[ 2601.771747][   T10]      kthread+0x28a/0x350
[ 2601.771747][   T10]      ret_from_fork+0x31/0x70
[ 2601.771747][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2601.771747][   T10] 
[ 2601.773634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.773634][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.773634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.773634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.773634][   T10]      ip6_route_add+0x1c/0x140
[ 2601.773634][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2601.773634][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2601.773634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.773634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.773634][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.773634][   T10]      netlink_unicast+0x449/0x710
[ 2601.773634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.773634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.773634][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.773634][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.773634][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.773634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.773634][   T10] 
[ 2601.775640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.775640][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.775640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.775640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.775640][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2601.775640][   T10]      ipv6_add_addr+0x411/0x2000
[ 2601.775640][   T10]      inet6_addr_add+0x30e/0xa40
[ 2601.775640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.775640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.775640][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.775640][   T10]      netlink_unicast+0x449/0x710
[ 2601.775640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.775640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.775640][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.775640][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.775640][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.775640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.775640][   T10] 
[ 2601.777611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.777611][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.777611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.777611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.777611][   T10]      ip6_route_add+0x1c/0x140
[ 2601.777611][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2601.777611][   T10]      addrconf_add_dev+0xe2/0x170
[ 2601.777611][   T10]      inet6_addr_add+0x12f/0xa40
[ 2601.777611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.777611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.777611][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.777611][   T10]      netlink_unicast+0x449/0x710
[ 2601.777611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.777611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.777611][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.777611][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.777611][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.777611][   T10] 
[ 2601.779734][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.779734][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2601.779734][   T10]      ipv6_find_idev+0x102/0x170
[ 2601.779734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2601.779734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.779734][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.779734][   T10]      netlink_unicast+0x449/0x710
[ 2601.779734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.779734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.779734][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.779734][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.779734][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.779734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.779734][   T10] 
[ 2601.781520][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2601.781520][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2601.781520][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2601.781520][   T10]      ipv6_find_idev+0x102/0x170
[ 2601.781520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2601.781520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.781520][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.781520][   T10]      netlink_unicast+0x449/0x710
[ 2601.781520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.781520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.781520][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.781520][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.781520][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.781520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.781520][   T10] 
[ 2601.783398][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2601.783716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2601.783716][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.783716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.783716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.783716][   T10]      ip6_route_add+0x1c/0x140
[ 2601.783716][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2601.783716][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2601.783716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.783716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.783716][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.783716][   T10]      netlink_unicast+0x449/0x710
[ 2601.783716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.783716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.783716][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.783716][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.783716][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.783716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.783716][   T10] 
[ 2601.785889][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2601.785889][   T10]      netdev_get_by_index+0x5e/0x80
[ 2601.785889][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2601.785889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2601.785889][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2601.785889][   T10]      ipv6_add_addr+0x411/0x2000
[ 2601.785889][   T10]      inet6_addr_add+0x30e/0xa40
[ 2601.785889][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2601.785889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.785889][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.785889][   T10]      netlink_unicast+0x449/0x710
[ 2601.785889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.785889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.785889][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.785889][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.785889][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.785889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.785889][   T10] 
[ 2601.788068][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2601.788068][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2601.788068][   T10]      ipv6_find_idev+0x102/0x170
[ 2601.788068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2601.788068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.788068][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.788068][   T10]      netlink_unicast+0x449/0x710
[ 2601.788068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.788068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.788068][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.788068][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.788068][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.788068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.788068][   T10] 
[ 2601.789850][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2601.789850][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2601.789850][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2601.789850][   T10]      ipv6_find_idev+0x102/0x170
[ 2601.789850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2601.789850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2601.789850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2601.789850][   T10]      netlink_unicast+0x449/0x710
[ 2601.789850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2601.789850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2601.789850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2601.789850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2601.789850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2601.789850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2601.789850][   T10] 
[ 2612.032765][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2612.033382][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.033382][   T10]      dst_init+0x84/0x4a0
[ 2612.033382][   T10]      dst_alloc+0x97/0x150
[ 2612.033382][   T10]      ip6_dst_alloc+0x23/0x90
[ 2612.033382][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2612.033382][   T10]      ip6_pol_route+0x56f/0x840
[ 2612.033382][   T10]      fib6_rule_lookup+0x456/0x630
[ 2612.033382][   T10]      ip6_route_input+0x59c/0xa50
[ 2612.033382][   T10]      ipv6_rcv+0x397/0x810
[ 2612.033382][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2612.033382][   T10]      process_backlog+0x101/0x620
[ 2612.033382][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2612.033382][   T10]      net_rx_action+0x495/0xbe0
[ 2612.033382][   T10]      __do_softirq+0x1b5/0x7f6
[ 2612.033382][   T10] 
[ 2612.035040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.035040][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2612.035040][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2612.035040][   T10]      fib6_nh_init+0xa22/0x1580
[ 2612.035040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.035040][   T10]      ip6_route_add+0x1c/0x140
[ 2612.035040][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2612.035040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.035040][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.035040][   T10]      netlink_unicast+0x449/0x710
[ 2612.035040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.035040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.035040][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.035040][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.035040][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.035040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.035040][   T10] 
[ 2612.036964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.036964][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.036964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.036964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.036964][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2612.036964][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2612.036964][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2612.036964][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2612.036964][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2612.036964][   T10]      addrconf_dad_begin+0x310/0x670
[ 2612.036964][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2612.036964][   T10]      process_one_work+0x84d/0x18a0
[ 2612.036964][   T10]      worker_thread+0x587/0xd30
[ 2612.036964][   T10]      kthread+0x28a/0x350
[ 2612.036964][   T10]      ret_from_fork+0x31/0x70
[ 2612.036964][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2612.036964][   T10] 
[ 2612.038893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.038893][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.038893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.038893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.038893][   T10]      ip6_route_add+0x1c/0x140
[ 2612.038893][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2612.038893][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2612.038893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.038893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.038893][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.038893][   T10]      netlink_unicast+0x449/0x710
[ 2612.038893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.038893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.038893][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.038893][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.038893][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.038893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.038893][   T10] 
[ 2612.040908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.040908][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.040908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.040908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.040908][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2612.040908][   T10]      ipv6_add_addr+0x411/0x2000
[ 2612.040908][   T10]      inet6_addr_add+0x30e/0xa40
[ 2612.040908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.040908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.040908][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.040908][   T10]      netlink_unicast+0x449/0x710
[ 2612.040908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.040908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.040908][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.040908][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.040908][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.040908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.040908][   T10] 
[ 2612.042911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.042911][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.042911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.042911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.042911][   T10]      ip6_route_add+0x1c/0x140
[ 2612.042911][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2612.042911][   T10]      addrconf_add_dev+0xe2/0x170
[ 2612.042911][   T10]      inet6_addr_add+0x12f/0xa40
[ 2612.042911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.042911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.042911][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.042911][   T10]      netlink_unicast+0x449/0x710
[ 2612.042911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.042911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.042911][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.042911][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.042911][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.042911][   T10] 
[ 2612.044918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.044918][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2612.044918][   T10]      ipv6_find_idev+0x102/0x170
[ 2612.044918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2612.044918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.044918][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.044918][   T10]      netlink_unicast+0x449/0x710
[ 2612.044918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.044918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.044918][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.044918][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.044918][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.044918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.044918][   T10] 
[ 2612.046462][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2612.046462][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2612.046462][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2612.046462][   T10]      ipv6_find_idev+0x102/0x170
[ 2612.046462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2612.046462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.046462][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.046462][   T10]      netlink_unicast+0x449/0x710
[ 2612.046462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.046462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.046462][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.046462][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.046462][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.046462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.046462][   T10] 
[ 2612.048163][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2612.048402][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.048402][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2612.048402][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2612.048402][   T10]      fib6_nh_init+0xa22/0x1580
[ 2612.048402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.048402][   T10]      ip6_route_add+0x1c/0x140
[ 2612.048402][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2612.048402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.048402][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.048402][   T10]      netlink_unicast+0x449/0x710
[ 2612.048402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.048402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.048402][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.048402][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.048402][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.048402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.048402][   T10] 
[ 2612.050293][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.050293][   T10]      dst_init+0x84/0x4a0
[ 2612.050293][   T10]      dst_alloc+0x97/0x150
[ 2612.050293][   T10]      ip6_dst_alloc+0x23/0x90
[ 2612.050293][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2612.050293][   T10]      ip6_pol_route+0x56f/0x840
[ 2612.050293][   T10]      fib6_rule_lookup+0x456/0x630
[ 2612.050293][   T10]      ip6_route_input+0x59c/0xa50
[ 2612.050293][   T10]      ipv6_rcv+0x397/0x810
[ 2612.050293][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2612.050293][   T10]      process_backlog+0x101/0x620
[ 2612.050293][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2612.050293][   T10]      net_rx_action+0x495/0xbe0
[ 2612.050293][   T10]      __do_softirq+0x1b5/0x7f6
[ 2612.050293][   T10] 
[ 2612.051937][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.051937][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.051937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.051937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.051937][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2612.051937][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2612.051937][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2612.051937][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2612.051937][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2612.051937][   T10]      addrconf_dad_begin+0x310/0x670
[ 2612.051937][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2612.051937][   T10]      process_one_work+0x84d/0x18a0
[ 2612.051937][   T10]      worker_thread+0x587/0xd30
[ 2612.051937][   T10]      kthread+0x28a/0x350
[ 2612.051937][   T10]      ret_from_fork+0x31/0x70
[ 2612.051937][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2612.051937][   T10] 
[ 2612.053848][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.053848][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.053848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.053848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.053848][   T10]      ip6_route_add+0x1c/0x140
[ 2612.053848][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2612.053848][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2612.053848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.053848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.053848][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.053848][   T10]      netlink_unicast+0x449/0x710
[ 2612.053848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.053848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.053848][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.053848][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.053848][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.053848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.053848][   T10] 
[ 2612.055847][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.055847][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.055847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.055847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.055847][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2612.055847][   T10]      ipv6_add_addr+0x411/0x2000
[ 2612.055847][   T10]      inet6_addr_add+0x30e/0xa40
[ 2612.055847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.055847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.055847][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.055847][   T10]      netlink_unicast+0x449/0x710
[ 2612.055847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.055847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.055847][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.055847][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.055847][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.055847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.055847][   T10] 
[ 2612.057848][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.057848][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.057848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.057848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.057848][   T10]      ip6_route_add+0x1c/0x140
[ 2612.057848][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2612.057848][   T10]      addrconf_add_dev+0xe2/0x170
[ 2612.057848][   T10]      inet6_addr_add+0x12f/0xa40
[ 2612.057848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.057848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.057848][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.057848][   T10]      netlink_unicast+0x449/0x710
[ 2612.057848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.057848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.057848][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.057848][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.057848][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.057848][   T10] 
[ 2612.059944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.059944][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2612.059944][   T10]      ipv6_find_idev+0x102/0x170
[ 2612.059944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2612.059944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.059944][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.059944][   T10]      netlink_unicast+0x449/0x710
[ 2612.059944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.059944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.059944][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.059944][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.059944][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.059944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.059944][   T10] 
[ 2612.061545][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2612.061545][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2612.061545][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2612.061545][   T10]      ipv6_find_idev+0x102/0x170
[ 2612.061545][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2612.061545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.061545][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.061545][   T10]      netlink_unicast+0x449/0x710
[ 2612.061545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.061545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.061545][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.061545][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.061545][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.061545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.061545][   T10] 
[ 2612.063366][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2612.063678][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2612.063678][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.063678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.063678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.063678][   T10]      ip6_route_add+0x1c/0x140
[ 2612.063678][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2612.063678][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2612.063678][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.063678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.063678][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.063678][   T10]      netlink_unicast+0x449/0x710
[ 2612.063678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.063678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.063678][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.063678][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.063678][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.063678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.063678][   T10] 
[ 2612.065850][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2612.065850][   T10]      netdev_get_by_index+0x5e/0x80
[ 2612.065850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2612.065850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2612.065850][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2612.065850][   T10]      ipv6_add_addr+0x411/0x2000
[ 2612.065850][   T10]      inet6_addr_add+0x30e/0xa40
[ 2612.065850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2612.065850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.065850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.065850][   T10]      netlink_unicast+0x449/0x710
[ 2612.065850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.065850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.065850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.065850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.065850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.065850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.065850][   T10] 
[ 2612.067964][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2612.067964][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2612.067964][   T10]      ipv6_find_idev+0x102/0x170
[ 2612.067964][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2612.067964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.067964][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.067964][   T10]      netlink_unicast+0x449/0x710
[ 2612.067964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.067964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.067964][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.067964][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.067964][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.067964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.067964][   T10] 
[ 2612.069628][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2612.069628][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2612.069628][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2612.069628][   T10]      ipv6_find_idev+0x102/0x170
[ 2612.069628][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2612.069628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2612.069628][   T10]      netlink_rcv_skb+0x130/0x360
[ 2612.069628][   T10]      netlink_unicast+0x449/0x710
[ 2612.069628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2612.069628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2612.069628][   T10]      ___sys_sendmsg+0xee/0x170
[ 2612.069628][   T10]      __sys_sendmsg+0xcd/0x170
[ 2612.069628][   T10]      do_syscall_64+0xc6/0x1e0
[ 2612.069628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2612.069628][   T10] 
[ 2622.312764][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2622.313396][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.313396][   T10]      dst_init+0x84/0x4a0
[ 2622.313396][   T10]      dst_alloc+0x97/0x150
[ 2622.313396][   T10]      ip6_dst_alloc+0x23/0x90
[ 2622.313396][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2622.313396][   T10]      ip6_pol_route+0x56f/0x840
[ 2622.313396][   T10]      fib6_rule_lookup+0x456/0x630
[ 2622.313396][   T10]      ip6_route_input+0x59c/0xa50
[ 2622.313396][   T10]      ipv6_rcv+0x397/0x810
[ 2622.313396][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2622.313396][   T10]      process_backlog+0x101/0x620
[ 2622.313396][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2622.313396][   T10]      net_rx_action+0x495/0xbe0
[ 2622.313396][   T10]      __do_softirq+0x1b5/0x7f6
[ 2622.313396][   T10] 
[ 2622.315051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.315051][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2622.315051][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2622.315051][   T10]      fib6_nh_init+0xa22/0x1580
[ 2622.315051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.315051][   T10]      ip6_route_add+0x1c/0x140
[ 2622.315051][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2622.315051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.315051][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.315051][   T10]      netlink_unicast+0x449/0x710
[ 2622.315051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.315051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.315051][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.315051][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.315051][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.315051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.315051][   T10] 
[ 2622.316890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.316890][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.316890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.316890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.316890][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2622.316890][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2622.316890][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2622.316890][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2622.316890][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2622.316890][   T10]      addrconf_dad_begin+0x310/0x670
[ 2622.316890][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2622.316890][   T10]      process_one_work+0x84d/0x18a0
[ 2622.316890][   T10]      worker_thread+0x587/0xd30
[ 2622.316890][   T10]      kthread+0x28a/0x350
[ 2622.316890][   T10]      ret_from_fork+0x31/0x70
[ 2622.316890][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2622.316890][   T10] 
[ 2622.318808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.318808][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.318808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.318808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.318808][   T10]      ip6_route_add+0x1c/0x140
[ 2622.318808][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2622.318808][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2622.318808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.318808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.318808][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.318808][   T10]      netlink_unicast+0x449/0x710
[ 2622.318808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.318808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.318808][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.318808][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.318808][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.318808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.318808][   T10] 
[ 2622.320818][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.320818][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.320818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.320818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.320818][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2622.320818][   T10]      ipv6_add_addr+0x411/0x2000
[ 2622.320818][   T10]      inet6_addr_add+0x30e/0xa40
[ 2622.320818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.320818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.320818][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.320818][   T10]      netlink_unicast+0x449/0x710
[ 2622.320818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.320818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.320818][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.320818][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.320818][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.320818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.320818][   T10] 
[ 2622.322772][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.322772][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.322772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.322772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.322772][   T10]      ip6_route_add+0x1c/0x140
[ 2622.322772][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2622.322772][   T10]      addrconf_add_dev+0xe2/0x170
[ 2622.322772][   T10]      inet6_addr_add+0x12f/0xa40
[ 2622.322772][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.322772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.322772][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.322772][   T10]      netlink_unicast+0x449/0x710
[ 2622.322772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.322772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.322772][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.322772][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.322772][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.322772][   T10] 
[ 2622.324723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.324723][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2622.324723][   T10]      ipv6_find_idev+0x102/0x170
[ 2622.324723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2622.324723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.324723][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.324723][   T10]      netlink_unicast+0x449/0x710
[ 2622.324723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.324723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.324723][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.324723][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.324723][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.324723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.324723][   T10] 
[ 2622.326287][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2622.326287][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2622.326287][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2622.326287][   T10]      ipv6_find_idev+0x102/0x170
[ 2622.326287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2622.326287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.326287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.326287][   T10]      netlink_unicast+0x449/0x710
[ 2622.326287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.326287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.326287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.326287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.326287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.326287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.326287][   T10] 
[ 2622.327950][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2622.328182][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.328182][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2622.328182][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2622.328182][   T10]      fib6_nh_init+0xa22/0x1580
[ 2622.328182][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.328182][   T10]      ip6_route_add+0x1c/0x140
[ 2622.328182][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2622.328182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.328182][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.328182][   T10]      netlink_unicast+0x449/0x710
[ 2622.328182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.328182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.328182][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.328182][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.328182][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.328182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.328182][   T10] 
[ 2622.330059][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.330059][   T10]      dst_init+0x84/0x4a0
[ 2622.330059][   T10]      dst_alloc+0x97/0x150
[ 2622.330059][   T10]      ip6_dst_alloc+0x23/0x90
[ 2622.330059][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2622.330059][   T10]      ip6_pol_route+0x56f/0x840
[ 2622.330059][   T10]      fib6_rule_lookup+0x456/0x630
[ 2622.330059][   T10]      ip6_route_input+0x59c/0xa50
[ 2622.330059][   T10]      ipv6_rcv+0x397/0x810
[ 2622.330059][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2622.330059][   T10]      process_backlog+0x101/0x620
[ 2622.330059][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2622.330059][   T10]      net_rx_action+0x495/0xbe0
[ 2622.330059][   T10]      __do_softirq+0x1b5/0x7f6
[ 2622.330059][   T10] 
[ 2622.331683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.331683][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.331683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.331683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.331683][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2622.331683][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2622.331683][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2622.331683][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2622.331683][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2622.331683][   T10]      addrconf_dad_begin+0x310/0x670
[ 2622.331683][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2622.331683][   T10]      process_one_work+0x84d/0x18a0
[ 2622.331683][   T10]      worker_thread+0x587/0xd30
[ 2622.331683][   T10]      kthread+0x28a/0x350
[ 2622.331683][   T10]      ret_from_fork+0x31/0x70
[ 2622.331683][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2622.331683][   T10] 
[ 2622.333628][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.333628][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.333628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.333628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.333628][   T10]      ip6_route_add+0x1c/0x140
[ 2622.333628][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2622.333628][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2622.333628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.333628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.333628][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.333628][   T10]      netlink_unicast+0x449/0x710
[ 2622.333628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.333628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.333628][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.333628][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.333628][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.333628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.333628][   T10] 
[ 2622.335635][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.335635][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.335635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.335635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.335635][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2622.335635][   T10]      ipv6_add_addr+0x411/0x2000
[ 2622.335635][   T10]      inet6_addr_add+0x30e/0xa40
[ 2622.335635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.335635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.335635][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.335635][   T10]      netlink_unicast+0x449/0x710
[ 2622.335635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.335635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.335635][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.335635][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.335635][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.335635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.335635][   T10] 
[ 2622.337570][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.337570][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.337570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.337570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.337570][   T10]      ip6_route_add+0x1c/0x140
[ 2622.337570][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2622.337570][   T10]      addrconf_add_dev+0xe2/0x170
[ 2622.337570][   T10]      inet6_addr_add+0x12f/0xa40
[ 2622.337570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.337570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.337570][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.337570][   T10]      netlink_unicast+0x449/0x710
[ 2622.337570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.337570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.337570][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.337570][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.337570][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.337570][   T10] 
[ 2622.339592][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.339592][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2622.339592][   T10]      ipv6_find_idev+0x102/0x170
[ 2622.339592][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2622.339592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.339592][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.339592][   T10]      netlink_unicast+0x449/0x710
[ 2622.339592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.339592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.339592][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.339592][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.339592][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.339592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.339592][   T10] 
[ 2622.341229][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2622.341229][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2622.341229][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2622.341229][   T10]      ipv6_find_idev+0x102/0x170
[ 2622.341229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2622.341229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.341229][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.341229][   T10]      netlink_unicast+0x449/0x710
[ 2622.341229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.341229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.341229][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.341229][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.341229][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.341229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.341229][   T10] 
[ 2622.342970][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2622.343284][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2622.343284][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.343284][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.343284][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.343284][   T10]      ip6_route_add+0x1c/0x140
[ 2622.343284][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2622.343284][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2622.343284][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.343284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.343284][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.343284][   T10]      netlink_unicast+0x449/0x710
[ 2622.343284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.343284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.343284][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.343284][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.343284][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.343284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.343284][   T10] 
[ 2622.345339][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2622.345339][   T10]      netdev_get_by_index+0x5e/0x80
[ 2622.345339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2622.345339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2622.345339][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2622.345339][   T10]      ipv6_add_addr+0x411/0x2000
[ 2622.345339][   T10]      inet6_addr_add+0x30e/0xa40
[ 2622.345339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2622.345339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.345339][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.345339][   T10]      netlink_unicast+0x449/0x710
[ 2622.345339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.345339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.345339][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.345339][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.345339][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.345339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.345339][   T10] 
[ 2622.347446][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2622.347446][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2622.347446][   T10]      ipv6_find_idev+0x102/0x170
[ 2622.347446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2622.347446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.347446][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.347446][   T10]      netlink_unicast+0x449/0x710
[ 2622.347446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.347446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.347446][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.347446][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.347446][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.347446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.347446][   T10] 
[ 2622.349103][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2622.349103][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2622.349103][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2622.349103][   T10]      ipv6_find_idev+0x102/0x170
[ 2622.349103][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2622.349103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2622.349103][   T10]      netlink_rcv_skb+0x130/0x360
[ 2622.349103][   T10]      netlink_unicast+0x449/0x710
[ 2622.349103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2622.349103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2622.349103][   T10]      ___sys_sendmsg+0xee/0x170
[ 2622.349103][   T10]      __sys_sendmsg+0xcd/0x170
[ 2622.349103][   T10]      do_syscall_64+0xc6/0x1e0
[ 2622.349103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2622.349103][   T10] 
[ 2632.592790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2632.593230][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.593230][   T10]      dst_init+0x84/0x4a0
[ 2632.593230][   T10]      dst_alloc+0x97/0x150
[ 2632.593230][   T10]      ip6_dst_alloc+0x23/0x90
[ 2632.593230][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2632.593230][   T10]      ip6_pol_route+0x56f/0x840
[ 2632.593230][   T10]      fib6_rule_lookup+0x456/0x630
[ 2632.593230][   T10]      ip6_route_input+0x59c/0xa50
[ 2632.593230][   T10]      ipv6_rcv+0x397/0x810
[ 2632.593230][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2632.593230][   T10]      process_backlog+0x101/0x620
[ 2632.593230][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2632.593230][   T10]      net_rx_action+0x495/0xbe0
[ 2632.593230][   T10]      __do_softirq+0x1b5/0x7f6
[ 2632.593230][   T10] 
[ 2632.594896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.594896][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2632.594896][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2632.594896][   T10]      fib6_nh_init+0xa22/0x1580
[ 2632.594896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.594896][   T10]      ip6_route_add+0x1c/0x140
[ 2632.594896][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2632.594896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.594896][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.594896][   T10]      netlink_unicast+0x449/0x710
[ 2632.594896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.594896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.594896][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.594896][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.594896][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.594896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.594896][   T10] 
[ 2632.596786][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.596786][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.596786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.596786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.596786][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2632.596786][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2632.596786][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2632.596786][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2632.596786][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2632.596786][   T10]      addrconf_dad_begin+0x310/0x670
[ 2632.596786][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2632.596786][   T10]      process_one_work+0x84d/0x18a0
[ 2632.596786][   T10]      worker_thread+0x587/0xd30
[ 2632.596786][   T10]      kthread+0x28a/0x350
[ 2632.596786][   T10]      ret_from_fork+0x31/0x70
[ 2632.596786][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2632.596786][   T10] 
[ 2632.598690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.598690][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.598690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.598690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.598690][   T10]      ip6_route_add+0x1c/0x140
[ 2632.598690][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2632.598690][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2632.598690][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.598690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.598690][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.598690][   T10]      netlink_unicast+0x449/0x710
[ 2632.598690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.598690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.598690][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.598690][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.598690][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.598690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.598690][   T10] 
[ 2632.600668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.600668][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.600668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.600668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.600668][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2632.600668][   T10]      ipv6_add_addr+0x411/0x2000
[ 2632.600668][   T10]      inet6_addr_add+0x30e/0xa40
[ 2632.600668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.600668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.600668][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.600668][   T10]      netlink_unicast+0x449/0x710
[ 2632.600668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.600668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.600668][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.600668][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.600668][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.600668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.600668][   T10] 
[ 2632.602676][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.602676][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.602676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.602676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.602676][   T10]      ip6_route_add+0x1c/0x140
[ 2632.602676][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2632.602676][   T10]      addrconf_add_dev+0xe2/0x170
[ 2632.602676][   T10]      inet6_addr_add+0x12f/0xa40
[ 2632.602676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.602676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.602676][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.602676][   T10]      netlink_unicast+0x449/0x710
[ 2632.602676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.602676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.602676][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.602676][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.602676][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.602676][   T10] 
[ 2632.604669][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.604669][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2632.604669][   T10]      ipv6_find_idev+0x102/0x170
[ 2632.604669][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2632.604669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.604669][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.604669][   T10]      netlink_unicast+0x449/0x710
[ 2632.604669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.604669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.604669][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.604669][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.604669][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.604669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.604669][   T10] 
[ 2632.606216][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2632.606216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2632.606216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2632.606216][   T10]      ipv6_find_idev+0x102/0x170
[ 2632.606216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2632.606216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.606216][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.606216][   T10]      netlink_unicast+0x449/0x710
[ 2632.606216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.606216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.606216][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.606216][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.606216][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.606216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.606216][   T10] 
[ 2632.608848][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2632.609100][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.609100][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2632.609100][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2632.609100][   T10]      fib6_nh_init+0xa22/0x1580
[ 2632.609100][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.609100][   T10]      ip6_route_add+0x1c/0x140
[ 2632.609100][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2632.609100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.609100][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.609100][   T10]      netlink_unicast+0x449/0x710
[ 2632.609100][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.609100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.609100][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.609100][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.609100][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.609100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.609100][   T10] 
[ 2632.610975][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.610975][   T10]      dst_init+0x84/0x4a0
[ 2632.610975][   T10]      dst_alloc+0x97/0x150
[ 2632.610975][   T10]      ip6_dst_alloc+0x23/0x90
[ 2632.610975][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2632.610975][   T10]      ip6_pol_route+0x56f/0x840
[ 2632.610975][   T10]      fib6_rule_lookup+0x456/0x630
[ 2632.610975][   T10]      ip6_route_input+0x59c/0xa50
[ 2632.610975][   T10]      ipv6_rcv+0x397/0x810
[ 2632.610975][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2632.610975][   T10]      process_backlog+0x101/0x620
[ 2632.610975][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2632.610975][   T10]      net_rx_action+0x495/0xbe0
[ 2632.610975][   T10]      __do_softirq+0x1b5/0x7f6
[ 2632.610975][   T10] 
[ 2632.612605][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.612605][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.612605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.612605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.612605][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2632.612605][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2632.612605][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2632.612605][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2632.612605][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2632.612605][   T10]      addrconf_dad_begin+0x310/0x670
[ 2632.612605][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2632.612605][   T10]      process_one_work+0x84d/0x18a0
[ 2632.612605][   T10]      worker_thread+0x587/0xd30
[ 2632.612605][   T10]      kthread+0x28a/0x350
[ 2632.612605][   T10]      ret_from_fork+0x31/0x70
[ 2632.612605][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2632.612605][   T10] 
[ 2632.614509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.614509][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.614509][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.614509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.614509][   T10]      ip6_route_add+0x1c/0x140
[ 2632.614509][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2632.614509][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2632.614509][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.614509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.614509][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.614509][   T10]      netlink_unicast+0x449/0x710
[ 2632.614509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.614509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.614509][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.614509][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.614509][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.614509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.614509][   T10] 
[ 2632.616497][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.616497][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.616497][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.616497][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.616497][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2632.616497][   T10]      ipv6_add_addr+0x411/0x2000
[ 2632.616497][   T10]      inet6_addr_add+0x30e/0xa40
[ 2632.616497][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.616497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.616497][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.616497][   T10]      netlink_unicast+0x449/0x710
[ 2632.616497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.616497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.616497][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.616497][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.616497][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.616497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.616497][   T10] 
[ 2632.618510][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.618510][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.618510][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.618510][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.618510][   T10]      ip6_route_add+0x1c/0x140
[ 2632.618510][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2632.618510][   T10]      addrconf_add_dev+0xe2/0x170
[ 2632.618510][   T10]      inet6_addr_add+0x12f/0xa40
[ 2632.618510][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.618510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.618510][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.618510][   T10]      netlink_unicast+0x449/0x710
[ 2632.618510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.618510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.618510][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.618510][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.618510][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.618510][   T10] 
[ 2632.620931][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.620931][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2632.620931][   T10]      ipv6_find_idev+0x102/0x170
[ 2632.620931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2632.620931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.620931][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.620931][   T10]      netlink_unicast+0x449/0x710
[ 2632.620931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.620931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.620931][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.620931][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.620931][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.620931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.620931][   T10] 
[ 2632.622670][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2632.622670][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2632.622670][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2632.622670][   T10]      ipv6_find_idev+0x102/0x170
[ 2632.622670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2632.622670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.622670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.622670][   T10]      netlink_unicast+0x449/0x710
[ 2632.622670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.622670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.622670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.622670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.622670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.622670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.622670][   T10] 
[ 2632.625150][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2632.625461][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2632.625461][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.625461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.625461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.625461][   T10]      ip6_route_add+0x1c/0x140
[ 2632.625461][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2632.625461][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2632.625461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.625461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.625461][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.625461][   T10]      netlink_unicast+0x449/0x710
[ 2632.625461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.625461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.625461][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.625461][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.625461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.625461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.625461][   T10] 
[ 2632.627583][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2632.627583][   T10]      netdev_get_by_index+0x5e/0x80
[ 2632.627583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2632.627583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2632.627583][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2632.627583][   T10]      ipv6_add_addr+0x411/0x2000
[ 2632.627583][   T10]      inet6_addr_add+0x30e/0xa40
[ 2632.627583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2632.627583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.627583][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.627583][   T10]      netlink_unicast+0x449/0x710
[ 2632.627583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.627583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.627583][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.627583][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.627583][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.627583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.627583][   T10] 
[ 2632.629658][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2632.629658][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2632.629658][   T10]      ipv6_find_idev+0x102/0x170
[ 2632.629658][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2632.629658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.629658][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.629658][   T10]      netlink_unicast+0x449/0x710
[ 2632.629658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.629658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.629658][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.629658][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.629658][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.629658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.629658][   T10] 
[ 2632.631334][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2632.631334][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2632.631334][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2632.631334][   T10]      ipv6_find_idev+0x102/0x170
[ 2632.631334][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2632.631334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2632.631334][   T10]      netlink_rcv_skb+0x130/0x360
[ 2632.631334][   T10]      netlink_unicast+0x449/0x710
[ 2632.631334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2632.631334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2632.631334][   T10]      ___sys_sendmsg+0xee/0x170
[ 2632.631334][   T10]      __sys_sendmsg+0xcd/0x170
[ 2632.631334][   T10]      do_syscall_64+0xc6/0x1e0
[ 2632.631334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2632.631334][   T10] 
[ 2642.792879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2642.793464][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.793464][   T10]      dst_init+0x84/0x4a0
[ 2642.793464][   T10]      dst_alloc+0x97/0x150
[ 2642.793464][   T10]      ip6_dst_alloc+0x23/0x90
[ 2642.793464][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2642.793464][   T10]      ip6_pol_route+0x56f/0x840
[ 2642.793464][   T10]      fib6_rule_lookup+0x456/0x630
[ 2642.793464][   T10]      ip6_route_input+0x59c/0xa50
[ 2642.793464][   T10]      ipv6_rcv+0x397/0x810
[ 2642.793464][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2642.793464][   T10]      process_backlog+0x101/0x620
[ 2642.793464][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2642.793464][   T10]      net_rx_action+0x495/0xbe0
[ 2642.793464][   T10]      __do_softirq+0x1b5/0x7f6
[ 2642.793464][   T10] 
[ 2642.795089][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.795089][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2642.795089][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2642.795089][   T10]      fib6_nh_init+0xa22/0x1580
[ 2642.795089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.795089][   T10]      ip6_route_add+0x1c/0x140
[ 2642.795089][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2642.795089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.795089][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.795089][   T10]      netlink_unicast+0x449/0x710
[ 2642.795089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.795089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.795089][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.795089][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.795089][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.795089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.795089][   T10] 
[ 2642.796964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.796964][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.796964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.796964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.796964][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2642.796964][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2642.796964][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2642.796964][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2642.796964][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2642.796964][   T10]      addrconf_dad_begin+0x310/0x670
[ 2642.796964][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2642.796964][   T10]      process_one_work+0x84d/0x18a0
[ 2642.796964][   T10]      worker_thread+0x587/0xd30
[ 2642.796964][   T10]      kthread+0x28a/0x350
[ 2642.796964][   T10]      ret_from_fork+0x31/0x70
[ 2642.796964][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2642.796964][   T10] 
[ 2642.798846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.798846][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.798846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.798846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.798846][   T10]      ip6_route_add+0x1c/0x140
[ 2642.798846][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2642.798846][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2642.798846][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.798846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.798846][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.798846][   T10]      netlink_unicast+0x449/0x710
[ 2642.798846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.798846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.798846][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.798846][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.798846][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.798846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.798846][   T10] 
[ 2642.800790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.800790][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.800790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.800790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.800790][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2642.800790][   T10]      ipv6_add_addr+0x411/0x2000
[ 2642.800790][   T10]      inet6_addr_add+0x30e/0xa40
[ 2642.800790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.800790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.800790][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.800790][   T10]      netlink_unicast+0x449/0x710
[ 2642.800790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.800790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.800790][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.800790][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.800790][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.800790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.800790][   T10] 
[ 2642.802739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.802739][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.802739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.802739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.802739][   T10]      ip6_route_add+0x1c/0x140
[ 2642.802739][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2642.802739][   T10]      addrconf_add_dev+0xe2/0x170
[ 2642.802739][   T10]      inet6_addr_add+0x12f/0xa40
[ 2642.802739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.802739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.802739][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.802739][   T10]      netlink_unicast+0x449/0x710
[ 2642.802739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.802739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.802739][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.802739][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.802739][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.802739][   T10] 
[ 2642.804653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.804653][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2642.804653][   T10]      ipv6_find_idev+0x102/0x170
[ 2642.804653][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2642.804653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.804653][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.804653][   T10]      netlink_unicast+0x449/0x710
[ 2642.804653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.804653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.804653][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.804653][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.804653][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.804653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.804653][   T10] 
[ 2642.806206][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2642.806206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2642.806206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2642.806206][   T10]      ipv6_find_idev+0x102/0x170
[ 2642.806206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2642.806206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.806206][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.806206][   T10]      netlink_unicast+0x449/0x710
[ 2642.806206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.806206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.806206][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.806206][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.806206][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.806206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.806206][   T10] 
[ 2642.808896][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2642.809156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.809156][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2642.809156][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2642.809156][   T10]      fib6_nh_init+0xa22/0x1580
[ 2642.809156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.809156][   T10]      ip6_route_add+0x1c/0x140
[ 2642.809156][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2642.809156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.809156][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.809156][   T10]      netlink_unicast+0x449/0x710
[ 2642.809156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.809156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.809156][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.809156][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.809156][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.809156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.809156][   T10] 
[ 2642.811066][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.811066][   T10]      dst_init+0x84/0x4a0
[ 2642.811066][   T10]      dst_alloc+0x97/0x150
[ 2642.811066][   T10]      ip6_dst_alloc+0x23/0x90
[ 2642.811066][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2642.811066][   T10]      ip6_pol_route+0x56f/0x840
[ 2642.811066][   T10]      fib6_rule_lookup+0x456/0x630
[ 2642.811066][   T10]      ip6_route_input+0x59c/0xa50
[ 2642.811066][   T10]      ipv6_rcv+0x397/0x810
[ 2642.811066][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2642.811066][   T10]      process_backlog+0x101/0x620
[ 2642.811066][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2642.811066][   T10]      net_rx_action+0x495/0xbe0
[ 2642.811066][   T10]      __do_softirq+0x1b5/0x7f6
[ 2642.811066][   T10] 
[ 2642.812703][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.812703][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.812703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.812703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.812703][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2642.812703][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2642.812703][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2642.812703][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2642.812703][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2642.812703][   T10]      addrconf_dad_begin+0x310/0x670
[ 2642.812703][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2642.812703][   T10]      process_one_work+0x84d/0x18a0
[ 2642.812703][   T10]      worker_thread+0x587/0xd30
[ 2642.812703][   T10]      kthread+0x28a/0x350
[ 2642.812703][   T10]      ret_from_fork+0x31/0x70
[ 2642.812703][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2642.812703][   T10] 
[ 2642.814627][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.814627][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.814627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.814627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.814627][   T10]      ip6_route_add+0x1c/0x140
[ 2642.814627][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2642.814627][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2642.814627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.814627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.814627][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.814627][   T10]      netlink_unicast+0x449/0x710
[ 2642.814627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.814627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.814627][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.814627][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.814627][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.814627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.814627][   T10] 
[ 2642.816646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.816646][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.816646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.816646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.816646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2642.816646][   T10]      ipv6_add_addr+0x411/0x2000
[ 2642.816646][   T10]      inet6_addr_add+0x30e/0xa40
[ 2642.816646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.816646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.816646][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.816646][   T10]      netlink_unicast+0x449/0x710
[ 2642.816646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.816646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.816646][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.816646][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.816646][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.816646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.816646][   T10] 
[ 2642.818602][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.818602][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.818602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.818602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.818602][   T10]      ip6_route_add+0x1c/0x140
[ 2642.818602][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2642.818602][   T10]      addrconf_add_dev+0xe2/0x170
[ 2642.818602][   T10]      inet6_addr_add+0x12f/0xa40
[ 2642.818602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.818602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.818602][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.818602][   T10]      netlink_unicast+0x449/0x710
[ 2642.818602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.818602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.818602][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.818602][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.818602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.818602][   T10] 
[ 2642.820694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.820694][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2642.820694][   T10]      ipv6_find_idev+0x102/0x170
[ 2642.820694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2642.820694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.820694][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.820694][   T10]      netlink_unicast+0x449/0x710
[ 2642.820694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.820694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.820694][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.820694][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.820694][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.820694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.820694][   T10] 
[ 2642.822469][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2642.822469][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2642.822469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2642.822469][   T10]      ipv6_find_idev+0x102/0x170
[ 2642.822469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2642.822469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.822469][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.822469][   T10]      netlink_unicast+0x449/0x710
[ 2642.822469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.822469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.822469][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.822469][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.822469][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.822469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.822469][   T10] 
[ 2642.824359][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2642.824682][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2642.824682][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.824682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.824682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.824682][   T10]      ip6_route_add+0x1c/0x140
[ 2642.824682][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2642.824682][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2642.824682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.824682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.824682][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.824682][   T10]      netlink_unicast+0x449/0x710
[ 2642.824682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.824682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.824682][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.824682][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.824682][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.824682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.824682][   T10] 
[ 2642.826871][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2642.826871][   T10]      netdev_get_by_index+0x5e/0x80
[ 2642.826871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2642.826871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2642.826871][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2642.826871][   T10]      ipv6_add_addr+0x411/0x2000
[ 2642.826871][   T10]      inet6_addr_add+0x30e/0xa40
[ 2642.826871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2642.826871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.826871][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.826871][   T10]      netlink_unicast+0x449/0x710
[ 2642.826871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.826871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.826871][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.826871][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.826871][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.826871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.826871][   T10] 
[ 2642.829029][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2642.829029][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2642.829029][   T10]      ipv6_find_idev+0x102/0x170
[ 2642.829029][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2642.829029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.829029][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.829029][   T10]      netlink_unicast+0x449/0x710
[ 2642.829029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.829029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.829029][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.829029][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.829029][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.829029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.829029][   T10] 
[ 2642.830753][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2642.830753][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2642.830753][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2642.830753][   T10]      ipv6_find_idev+0x102/0x170
[ 2642.830753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2642.830753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2642.830753][   T10]      netlink_rcv_skb+0x130/0x360
[ 2642.830753][   T10]      netlink_unicast+0x449/0x710
[ 2642.830753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2642.830753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2642.830753][   T10]      ___sys_sendmsg+0xee/0x170
[ 2642.830753][   T10]      __sys_sendmsg+0xcd/0x170
[ 2642.830753][   T10]      do_syscall_64+0xc6/0x1e0
[ 2642.830753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2642.830753][   T10] 
[ 2652.969598][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2652.970025][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.970025][   T10]      dst_init+0x84/0x4a0
[ 2652.970025][   T10]      dst_alloc+0x97/0x150
[ 2652.970025][   T10]      ip6_dst_alloc+0x23/0x90
[ 2652.970025][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2652.970025][   T10]      ip6_pol_route+0x56f/0x840
[ 2652.970025][   T10]      fib6_rule_lookup+0x456/0x630
[ 2652.970025][   T10]      ip6_route_input+0x59c/0xa50
[ 2652.970025][   T10]      ipv6_rcv+0x397/0x810
[ 2652.970025][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2652.970025][   T10]      process_backlog+0x101/0x620
[ 2652.970025][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2652.970025][   T10]      net_rx_action+0x495/0xbe0
[ 2652.970025][   T10]      __do_softirq+0x1b5/0x7f6
[ 2652.970025][   T10] 
[ 2652.971651][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.971651][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2652.971651][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2652.971651][   T10]      fib6_nh_init+0xa22/0x1580
[ 2652.971651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.971651][   T10]      ip6_route_add+0x1c/0x140
[ 2652.971651][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2652.971651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.971651][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.971651][   T10]      netlink_unicast+0x449/0x710
[ 2652.971651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.971651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.971651][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.971651][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.971651][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.971651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.971651][   T10] 
[ 2652.973503][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.973503][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.973503][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.973503][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.973503][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2652.973503][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2652.973503][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2652.973503][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2652.973503][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2652.973503][   T10]      addrconf_dad_begin+0x310/0x670
[ 2652.973503][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2652.973503][   T10]      process_one_work+0x84d/0x18a0
[ 2652.973503][   T10]      worker_thread+0x587/0xd30
[ 2652.973503][   T10]      kthread+0x28a/0x350
[ 2652.973503][   T10]      ret_from_fork+0x31/0x70
[ 2652.973503][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2652.973503][   T10] 
[ 2652.975365][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.975365][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.975365][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.975365][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.975365][   T10]      ip6_route_add+0x1c/0x140
[ 2652.975365][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2652.975365][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2652.975365][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2652.975365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.975365][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.975365][   T10]      netlink_unicast+0x449/0x710
[ 2652.975365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.975365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.975365][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.975365][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.975365][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.975365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.975365][   T10] 
[ 2652.977750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.977750][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.977750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.977750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.977750][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2652.977750][   T10]      ipv6_add_addr+0x411/0x2000
[ 2652.977750][   T10]      inet6_addr_add+0x30e/0xa40
[ 2652.977750][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2652.977750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.977750][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.977750][   T10]      netlink_unicast+0x449/0x710
[ 2652.977750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.977750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.977750][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.977750][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.977750][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.977750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.977750][   T10] 
[ 2652.979754][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.979754][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.979754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.979754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.979754][   T10]      ip6_route_add+0x1c/0x140
[ 2652.979754][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2652.979754][   T10]      addrconf_add_dev+0xe2/0x170
[ 2652.979754][   T10]      inet6_addr_add+0x12f/0xa40
[ 2652.979754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2652.979754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.979754][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.979754][   T10]      netlink_unicast+0x449/0x710
[ 2652.979754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.979754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.979754][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.979754][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.979754][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.979754][   T10] 
[ 2652.981738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.981738][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2652.981738][   T10]      ipv6_find_idev+0x102/0x170
[ 2652.981738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2652.981738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.981738][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.981738][   T10]      netlink_unicast+0x449/0x710
[ 2652.981738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.981738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.981738][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.981738][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.981738][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.981738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.981738][   T10] 
[ 2652.983265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2652.983265][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2652.983265][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2652.983265][   T10]      ipv6_find_idev+0x102/0x170
[ 2652.983265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2652.983265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.983265][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.983265][   T10]      netlink_unicast+0x449/0x710
[ 2652.983265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.983265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.983265][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.983265][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.983265][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.983265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.983265][   T10] 
[ 2652.984955][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2652.985196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.985196][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2652.985196][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2652.985196][   T10]      fib6_nh_init+0xa22/0x1580
[ 2652.985196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.985196][   T10]      ip6_route_add+0x1c/0x140
[ 2652.985196][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2652.985196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.985196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.985196][   T10]      netlink_unicast+0x449/0x710
[ 2652.985196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.985196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.985196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.985196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.985196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.985196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.985196][   T10] 
[ 2652.987113][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.987113][   T10]      dst_init+0x84/0x4a0
[ 2652.987113][   T10]      dst_alloc+0x97/0x150
[ 2652.987113][   T10]      ip6_dst_alloc+0x23/0x90
[ 2652.987113][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2652.987113][   T10]      ip6_pol_route+0x56f/0x840
[ 2652.987113][   T10]      fib6_rule_lookup+0x456/0x630
[ 2652.987113][   T10]      ip6_route_input+0x59c/0xa50
[ 2652.987113][   T10]      ipv6_rcv+0x397/0x810
[ 2652.987113][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2652.987113][   T10]      process_backlog+0x101/0x620
[ 2652.987113][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2652.987113][   T10]      net_rx_action+0x495/0xbe0
[ 2652.987113][   T10]      __do_softirq+0x1b5/0x7f6
[ 2652.987113][   T10] 
[ 2652.988751][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.988751][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.988751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.988751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.988751][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2652.988751][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2652.988751][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2652.988751][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2652.988751][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2652.988751][   T10]      addrconf_dad_begin+0x310/0x670
[ 2652.988751][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2652.988751][   T10]      process_one_work+0x84d/0x18a0
[ 2652.988751][   T10]      worker_thread+0x587/0xd30
[ 2652.988751][   T10]      kthread+0x28a/0x350
[ 2652.988751][   T10]      ret_from_fork+0x31/0x70
[ 2652.988751][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2652.988751][   T10] 
[ 2652.990661][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.990661][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.990661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.990661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.990661][   T10]      ip6_route_add+0x1c/0x140
[ 2652.990661][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2652.990661][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2652.990661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2652.990661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.990661][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.990661][   T10]      netlink_unicast+0x449/0x710
[ 2652.990661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.990661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.990661][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.990661][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.990661][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.990661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.990661][   T10] 
[ 2652.992664][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.992664][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.992664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.992664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.992664][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2652.992664][   T10]      ipv6_add_addr+0x411/0x2000
[ 2652.992664][   T10]      inet6_addr_add+0x30e/0xa40
[ 2652.992664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2652.992664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.992664][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.992664][   T10]      netlink_unicast+0x449/0x710
[ 2652.992664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.992664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.992664][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.992664][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.992664][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.992664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.992664][   T10] 
[ 2652.994665][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.994665][   T10]      netdev_get_by_index+0x5e/0x80
[ 2652.994665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2652.994665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2652.994665][   T10]      ip6_route_add+0x1c/0x140
[ 2652.994665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2652.994665][   T10]      addrconf_add_dev+0xe2/0x170
[ 2652.994665][   T10]      inet6_addr_add+0x12f/0xa40
[ 2652.994665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2652.994665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.994665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.994665][   T10]      netlink_unicast+0x449/0x710
[ 2652.994665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.994665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.994665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.994665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.994665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.994665][   T10] 
[ 2652.996747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.996747][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2652.996747][   T10]      ipv6_find_idev+0x102/0x170
[ 2652.996747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2652.996747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.996747][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.996747][   T10]      netlink_unicast+0x449/0x710
[ 2652.996747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.996747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.996747][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.996747][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.996747][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.996747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.996747][   T10] 
[ 2652.998565][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2652.998565][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2652.998565][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2652.998565][   T10]      ipv6_find_idev+0x102/0x170
[ 2652.998565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2652.998565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2652.998565][   T10]      netlink_rcv_skb+0x130/0x360
[ 2652.998565][   T10]      netlink_unicast+0x449/0x710
[ 2652.998565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2652.998565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2652.998565][   T10]      ___sys_sendmsg+0xee/0x170
[ 2652.998565][   T10]      __sys_sendmsg+0xcd/0x170
[ 2652.998565][   T10]      do_syscall_64+0xc6/0x1e0
[ 2652.998565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2652.998565][   T10] 
[ 2653.000496][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2653.000822][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2653.000822][   T10]      netdev_get_by_index+0x5e/0x80
[ 2653.000822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2653.000822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2653.000822][   T10]      ip6_route_add+0x1c/0x140
[ 2653.000822][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2653.000822][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2653.000822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2653.000822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2653.000822][   T10]      netlink_rcv_skb+0x130/0x360
[ 2653.000822][   T10]      netlink_unicast+0x449/0x710
[ 2653.000822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2653.000822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2653.000822][   T10]      ___sys_sendmsg+0xee/0x170
[ 2653.000822][   T10]      __sys_sendmsg+0xcd/0x170
[ 2653.000822][   T10]      do_syscall_64+0xc6/0x1e0
[ 2653.000822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2653.000822][   T10] 
[ 2653.003010][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2653.003010][   T10]      netdev_get_by_index+0x5e/0x80
[ 2653.003010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2653.003010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2653.003010][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2653.003010][   T10]      ipv6_add_addr+0x411/0x2000
[ 2653.003010][   T10]      inet6_addr_add+0x30e/0xa40
[ 2653.003010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2653.003010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2653.003010][   T10]      netlink_rcv_skb+0x130/0x360
[ 2653.003010][   T10]      netlink_unicast+0x449/0x710
[ 2653.003010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2653.003010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2653.003010][   T10]      ___sys_sendmsg+0xee/0x170
[ 2653.003010][   T10]      __sys_sendmsg+0xcd/0x170
[ 2653.003010][   T10]      do_syscall_64+0xc6/0x1e0
[ 2653.003010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2653.003010][   T10] 
[ 2653.005195][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2653.005195][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2653.005195][   T10]      ipv6_find_idev+0x102/0x170
[ 2653.005195][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2653.005195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2653.005195][   T10]      netlink_rcv_skb+0x130/0x360
[ 2653.005195][   T10]      netlink_unicast+0x449/0x710
[ 2653.005195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2653.005195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2653.005195][   T10]      ___sys_sendmsg+0xee/0x170
[ 2653.005195][   T10]      __sys_sendmsg+0xcd/0x170
[ 2653.005195][   T10]      do_syscall_64+0xc6/0x1e0
[ 2653.005195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2653.005195][   T10] 
[ 2653.006910][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2653.006910][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2653.006910][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2653.006910][   T10]      ipv6_find_idev+0x102/0x170
[ 2653.006910][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2653.006910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2653.006910][   T10]      netlink_rcv_skb+0x130/0x360
[ 2653.006910][   T10]      netlink_unicast+0x449/0x710
[ 2653.006910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2653.006910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2653.006910][   T10]      ___sys_sendmsg+0xee/0x170
[ 2653.006910][   T10]      __sys_sendmsg+0xcd/0x170
[ 2653.006910][   T10]      do_syscall_64+0xc6/0x1e0
[ 2653.006910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2653.006910][   T10] 
[ 2663.249922][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2663.250383][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.250383][   T10]      dst_init+0x84/0x4a0
[ 2663.250383][   T10]      dst_alloc+0x97/0x150
[ 2663.250383][   T10]      ip6_dst_alloc+0x23/0x90
[ 2663.250383][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2663.250383][   T10]      ip6_pol_route+0x56f/0x840
[ 2663.250383][   T10]      fib6_rule_lookup+0x456/0x630
[ 2663.250383][   T10]      ip6_route_input+0x59c/0xa50
[ 2663.250383][   T10]      ipv6_rcv+0x397/0x810
[ 2663.250383][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2663.250383][   T10]      process_backlog+0x101/0x620
[ 2663.250383][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2663.250383][   T10]      net_rx_action+0x495/0xbe0
[ 2663.250383][   T10]      __do_softirq+0x1b5/0x7f6
[ 2663.250383][   T10] 
[ 2663.252589][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.252589][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2663.252589][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2663.252589][   T10]      fib6_nh_init+0xa22/0x1580
[ 2663.252589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.252589][   T10]      ip6_route_add+0x1c/0x140
[ 2663.252589][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2663.252589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.252589][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.252589][   T10]      netlink_unicast+0x449/0x710
[ 2663.252589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.252589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.252589][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.252589][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.252589][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.252589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.252589][   T10] 
[ 2663.254890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.254890][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.254890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.254890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.254890][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2663.254890][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2663.254890][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2663.254890][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2663.254890][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2663.254890][   T10]      addrconf_dad_begin+0x310/0x670
[ 2663.254890][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2663.254890][   T10]      process_one_work+0x84d/0x18a0
[ 2663.254890][   T10]      worker_thread+0x587/0xd30
[ 2663.254890][   T10]      kthread+0x28a/0x350
[ 2663.254890][   T10]      ret_from_fork+0x31/0x70
[ 2663.254890][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2663.254890][   T10] 
[ 2663.256771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.256771][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.256771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.256771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.256771][   T10]      ip6_route_add+0x1c/0x140
[ 2663.256771][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2663.256771][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2663.256771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.256771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.256771][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.256771][   T10]      netlink_unicast+0x449/0x710
[ 2663.256771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.256771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.256771][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.256771][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.256771][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.256771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.256771][   T10] 
[ 2663.258776][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.258776][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.258776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.258776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.258776][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2663.258776][   T10]      ipv6_add_addr+0x411/0x2000
[ 2663.258776][   T10]      inet6_addr_add+0x30e/0xa40
[ 2663.258776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.258776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.258776][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.258776][   T10]      netlink_unicast+0x449/0x710
[ 2663.258776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.258776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.258776][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.258776][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.258776][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.258776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.258776][   T10] 
[ 2663.260739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.260739][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.260739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.260739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.260739][   T10]      ip6_route_add+0x1c/0x140
[ 2663.260739][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2663.260739][   T10]      addrconf_add_dev+0xe2/0x170
[ 2663.260739][   T10]      inet6_addr_add+0x12f/0xa40
[ 2663.260739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.260739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.260739][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.260739][   T10]      netlink_unicast+0x449/0x710
[ 2663.260739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.260739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.260739][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.260739][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.260739][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.260739][   T10] 
[ 2663.262665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.262665][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2663.262665][   T10]      ipv6_find_idev+0x102/0x170
[ 2663.262665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2663.262665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.262665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.262665][   T10]      netlink_unicast+0x449/0x710
[ 2663.262665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.262665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.262665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.262665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.262665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.262665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.262665][   T10] 
[ 2663.264183][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2663.264183][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2663.264183][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2663.264183][   T10]      ipv6_find_idev+0x102/0x170
[ 2663.264183][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2663.264183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.264183][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.264183][   T10]      netlink_unicast+0x449/0x710
[ 2663.264183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.264183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.264183][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.264183][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.264183][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.264183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.264183][   T10] 
[ 2663.265851][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2663.266108][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.266108][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2663.266108][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2663.266108][   T10]      fib6_nh_init+0xa22/0x1580
[ 2663.266108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.266108][   T10]      ip6_route_add+0x1c/0x140
[ 2663.266108][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2663.266108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.266108][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.266108][   T10]      netlink_unicast+0x449/0x710
[ 2663.266108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.266108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.266108][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.266108][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.266108][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.266108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.266108][   T10] 
[ 2663.268010][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.268010][   T10]      dst_init+0x84/0x4a0
[ 2663.268010][   T10]      dst_alloc+0x97/0x150
[ 2663.268010][   T10]      ip6_dst_alloc+0x23/0x90
[ 2663.268010][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2663.268010][   T10]      ip6_pol_route+0x56f/0x840
[ 2663.268010][   T10]      fib6_rule_lookup+0x456/0x630
[ 2663.268010][   T10]      ip6_route_input+0x59c/0xa50
[ 2663.268010][   T10]      ipv6_rcv+0x397/0x810
[ 2663.268010][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2663.268010][   T10]      process_backlog+0x101/0x620
[ 2663.268010][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2663.268010][   T10]      net_rx_action+0x495/0xbe0
[ 2663.268010][   T10]      __do_softirq+0x1b5/0x7f6
[ 2663.268010][   T10] 
[ 2663.269646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.269646][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.269646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.269646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.269646][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2663.269646][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2663.269646][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2663.269646][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2663.269646][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2663.269646][   T10]      addrconf_dad_begin+0x310/0x670
[ 2663.269646][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2663.269646][   T10]      process_one_work+0x84d/0x18a0
[ 2663.269646][   T10]      worker_thread+0x587/0xd30
[ 2663.269646][   T10]      kthread+0x28a/0x350
[ 2663.269646][   T10]      ret_from_fork+0x31/0x70
[ 2663.269646][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2663.269646][   T10] 
[ 2663.271509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.271509][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.271509][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.271509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.271509][   T10]      ip6_route_add+0x1c/0x140
[ 2663.271509][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2663.271509][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2663.271509][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.271509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.271509][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.271509][   T10]      netlink_unicast+0x449/0x710
[ 2663.271509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.271509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.271509][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.271509][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.271509][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.271509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.271509][   T10] 
[ 2663.273539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.273539][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.273539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.273539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.273539][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2663.273539][   T10]      ipv6_add_addr+0x411/0x2000
[ 2663.273539][   T10]      inet6_addr_add+0x30e/0xa40
[ 2663.273539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.273539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.273539][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.273539][   T10]      netlink_unicast+0x449/0x710
[ 2663.273539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.273539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.273539][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.273539][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.273539][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.273539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.273539][   T10] 
[ 2663.275511][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.275511][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.275511][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.275511][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.275511][   T10]      ip6_route_add+0x1c/0x140
[ 2663.275511][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2663.275511][   T10]      addrconf_add_dev+0xe2/0x170
[ 2663.275511][   T10]      inet6_addr_add+0x12f/0xa40
[ 2663.275511][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.275511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.275511][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.275511][   T10]      netlink_unicast+0x449/0x710
[ 2663.275511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.275511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.275511][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.275511][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.275511][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.275511][   T10] 
[ 2663.277557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.277557][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2663.277557][   T10]      ipv6_find_idev+0x102/0x170
[ 2663.277557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2663.277557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.277557][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.277557][   T10]      netlink_unicast+0x449/0x710
[ 2663.277557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.277557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.277557][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.277557][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.277557][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.277557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.277557][   T10] 
[ 2663.279330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2663.279330][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2663.279330][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2663.279330][   T10]      ipv6_find_idev+0x102/0x170
[ 2663.279330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2663.279330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.279330][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.279330][   T10]      netlink_unicast+0x449/0x710
[ 2663.279330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.279330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.279330][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.279330][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.279330][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.279330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.279330][   T10] 
[ 2663.281193][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2663.281500][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2663.281500][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.281500][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.281500][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.281500][   T10]      ip6_route_add+0x1c/0x140
[ 2663.281500][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2663.281500][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2663.281500][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.281500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.281500][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.281500][   T10]      netlink_unicast+0x449/0x710
[ 2663.281500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.281500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.281500][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.281500][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.281500][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.281500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.281500][   T10] 
[ 2663.283712][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2663.283712][   T10]      netdev_get_by_index+0x5e/0x80
[ 2663.283712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2663.283712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2663.283712][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2663.283712][   T10]      ipv6_add_addr+0x411/0x2000
[ 2663.283712][   T10]      inet6_addr_add+0x30e/0xa40
[ 2663.283712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2663.283712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.283712][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.283712][   T10]      netlink_unicast+0x449/0x710
[ 2663.283712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.283712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.283712][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.283712][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.283712][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.283712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.283712][   T10] 
[ 2663.285896][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2663.285896][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2663.285896][   T10]      ipv6_find_idev+0x102/0x170
[ 2663.285896][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2663.285896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.285896][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.285896][   T10]      netlink_unicast+0x449/0x710
[ 2663.285896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.285896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.285896][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.285896][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.285896][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.285896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.285896][   T10] 
[ 2663.287605][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2663.287605][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2663.287605][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2663.287605][   T10]      ipv6_find_idev+0x102/0x170
[ 2663.287605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2663.287605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2663.287605][   T10]      netlink_rcv_skb+0x130/0x360
[ 2663.287605][   T10]      netlink_unicast+0x449/0x710
[ 2663.287605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2663.287605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2663.287605][   T10]      ___sys_sendmsg+0xee/0x170
[ 2663.287605][   T10]      __sys_sendmsg+0xcd/0x170
[ 2663.287605][   T10]      do_syscall_64+0xc6/0x1e0
[ 2663.287605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2663.287605][   T10] 
[ 2673.528763][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2673.529210][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.529210][   T10]      dst_init+0x84/0x4a0
[ 2673.529210][   T10]      dst_alloc+0x97/0x150
[ 2673.529210][   T10]      ip6_dst_alloc+0x23/0x90
[ 2673.529210][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2673.529210][   T10]      ip6_pol_route+0x56f/0x840
[ 2673.529210][   T10]      fib6_rule_lookup+0x456/0x630
[ 2673.529210][   T10]      ip6_route_input+0x59c/0xa50
[ 2673.529210][   T10]      ipv6_rcv+0x397/0x810
[ 2673.529210][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2673.529210][   T10]      process_backlog+0x101/0x620
[ 2673.529210][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2673.529210][   T10]      net_rx_action+0x495/0xbe0
[ 2673.529210][   T10]      __do_softirq+0x1b5/0x7f6
[ 2673.529210][   T10] 
[ 2673.530845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.530845][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2673.530845][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2673.530845][   T10]      fib6_nh_init+0xa22/0x1580
[ 2673.530845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.530845][   T10]      ip6_route_add+0x1c/0x140
[ 2673.530845][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2673.530845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.530845][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.530845][   T10]      netlink_unicast+0x449/0x710
[ 2673.530845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.530845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.530845][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.530845][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.530845][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.530845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.530845][   T10] 
[ 2673.532695][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.532695][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.532695][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.532695][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.532695][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2673.532695][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2673.532695][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2673.532695][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2673.532695][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2673.532695][   T10]      addrconf_dad_begin+0x310/0x670
[ 2673.532695][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2673.532695][   T10]      process_one_work+0x84d/0x18a0
[ 2673.532695][   T10]      worker_thread+0x587/0xd30
[ 2673.532695][   T10]      kthread+0x28a/0x350
[ 2673.532695][   T10]      ret_from_fork+0x31/0x70
[ 2673.532695][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2673.532695][   T10] 
[ 2673.534602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.534602][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.534602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.534602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.534602][   T10]      ip6_route_add+0x1c/0x140
[ 2673.534602][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2673.534602][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2673.534602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.534602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.534602][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.534602][   T10]      netlink_unicast+0x449/0x710
[ 2673.534602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.534602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.534602][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.534602][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.534602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.534602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.534602][   T10] 
[ 2673.537144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.537144][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.537144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.537144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.537144][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2673.537144][   T10]      ipv6_add_addr+0x411/0x2000
[ 2673.537144][   T10]      inet6_addr_add+0x30e/0xa40
[ 2673.537144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.537144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.537144][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.537144][   T10]      netlink_unicast+0x449/0x710
[ 2673.537144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.537144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.537144][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.537144][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.537144][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.537144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.537144][   T10] 
[ 2673.539705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.539705][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.539705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.539705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.539705][   T10]      ip6_route_add+0x1c/0x140
[ 2673.539705][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2673.539705][   T10]      addrconf_add_dev+0xe2/0x170
[ 2673.539705][   T10]      inet6_addr_add+0x12f/0xa40
[ 2673.539705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.539705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.539705][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.539705][   T10]      netlink_unicast+0x449/0x710
[ 2673.539705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.539705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.539705][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.539705][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.539705][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.539705][   T10] 
[ 2673.541625][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.541625][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2673.541625][   T10]      ipv6_find_idev+0x102/0x170
[ 2673.541625][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2673.541625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.541625][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.541625][   T10]      netlink_unicast+0x449/0x710
[ 2673.541625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.541625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.541625][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.541625][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.541625][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.541625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.541625][   T10] 
[ 2673.543185][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2673.543185][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2673.543185][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2673.543185][   T10]      ipv6_find_idev+0x102/0x170
[ 2673.543185][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2673.543185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.543185][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.543185][   T10]      netlink_unicast+0x449/0x710
[ 2673.543185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.543185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.543185][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.543185][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.543185][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.543185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.543185][   T10] 
[ 2673.544874][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2673.545109][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.545109][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2673.545109][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2673.545109][   T10]      fib6_nh_init+0xa22/0x1580
[ 2673.545109][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.545109][   T10]      ip6_route_add+0x1c/0x140
[ 2673.545109][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2673.545109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.545109][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.545109][   T10]      netlink_unicast+0x449/0x710
[ 2673.545109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.545109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.545109][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.545109][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.545109][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.545109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.545109][   T10] 
[ 2673.547017][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.547017][   T10]      dst_init+0x84/0x4a0
[ 2673.547017][   T10]      dst_alloc+0x97/0x150
[ 2673.547017][   T10]      ip6_dst_alloc+0x23/0x90
[ 2673.547017][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2673.547017][   T10]      ip6_pol_route+0x56f/0x840
[ 2673.547017][   T10]      fib6_rule_lookup+0x456/0x630
[ 2673.547017][   T10]      ip6_route_input+0x59c/0xa50
[ 2673.547017][   T10]      ipv6_rcv+0x397/0x810
[ 2673.547017][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2673.547017][   T10]      process_backlog+0x101/0x620
[ 2673.547017][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2673.547017][   T10]      net_rx_action+0x495/0xbe0
[ 2673.547017][   T10]      __do_softirq+0x1b5/0x7f6
[ 2673.547017][   T10] 
[ 2673.548659][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.548659][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.548659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.548659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.548659][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2673.548659][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2673.548659][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2673.548659][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2673.548659][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2673.548659][   T10]      addrconf_dad_begin+0x310/0x670
[ 2673.548659][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2673.548659][   T10]      process_one_work+0x84d/0x18a0
[ 2673.548659][   T10]      worker_thread+0x587/0xd30
[ 2673.548659][   T10]      kthread+0x28a/0x350
[ 2673.548659][   T10]      ret_from_fork+0x31/0x70
[ 2673.548659][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2673.548659][   T10] 
[ 2673.550576][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.550576][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.550576][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.550576][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.550576][   T10]      ip6_route_add+0x1c/0x140
[ 2673.550576][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2673.550576][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2673.550576][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.550576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.550576][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.550576][   T10]      netlink_unicast+0x449/0x710
[ 2673.550576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.550576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.550576][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.550576][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.550576][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.550576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.550576][   T10] 
[ 2673.552573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.552573][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.552573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.552573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.552573][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2673.552573][   T10]      ipv6_add_addr+0x411/0x2000
[ 2673.552573][   T10]      inet6_addr_add+0x30e/0xa40
[ 2673.552573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.552573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.552573][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.552573][   T10]      netlink_unicast+0x449/0x710
[ 2673.552573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.552573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.552573][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.552573][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.552573][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.552573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.552573][   T10] 
[ 2673.554598][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.554598][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.554598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.554598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.554598][   T10]      ip6_route_add+0x1c/0x140
[ 2673.554598][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2673.554598][   T10]      addrconf_add_dev+0xe2/0x170
[ 2673.554598][   T10]      inet6_addr_add+0x12f/0xa40
[ 2673.554598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.554598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.554598][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.554598][   T10]      netlink_unicast+0x449/0x710
[ 2673.554598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.554598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.554598][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.554598][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.554598][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.554598][   T10] 
[ 2673.556766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.556766][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2673.556766][   T10]      ipv6_find_idev+0x102/0x170
[ 2673.556766][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2673.556766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.556766][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.556766][   T10]      netlink_unicast+0x449/0x710
[ 2673.556766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.556766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.556766][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.556766][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.556766][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.556766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.556766][   T10] 
[ 2673.558482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2673.558482][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2673.558482][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2673.558482][   T10]      ipv6_find_idev+0x102/0x170
[ 2673.558482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2673.558482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.558482][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.558482][   T10]      netlink_unicast+0x449/0x710
[ 2673.558482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.558482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.558482][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.558482][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.558482][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.558482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.558482][   T10] 
[ 2673.560411][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2673.560745][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2673.560745][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.560745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.560745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.560745][   T10]      ip6_route_add+0x1c/0x140
[ 2673.560745][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2673.560745][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2673.560745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.560745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.560745][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.560745][   T10]      netlink_unicast+0x449/0x710
[ 2673.560745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.560745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.560745][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.560745][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.560745][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.560745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.560745][   T10] 
[ 2673.563319][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2673.563319][   T10]      netdev_get_by_index+0x5e/0x80
[ 2673.563319][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2673.563319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2673.563319][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2673.563319][   T10]      ipv6_add_addr+0x411/0x2000
[ 2673.563319][   T10]      inet6_addr_add+0x30e/0xa40
[ 2673.563319][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2673.563319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.563319][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.563319][   T10]      netlink_unicast+0x449/0x710
[ 2673.563319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.563319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.563319][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.563319][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.563319][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.563319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.563319][   T10] 
[ 2673.565519][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2673.565519][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2673.565519][   T10]      ipv6_find_idev+0x102/0x170
[ 2673.565519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2673.565519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.565519][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.565519][   T10]      netlink_unicast+0x449/0x710
[ 2673.565519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.565519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.565519][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.565519][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.565519][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.565519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.565519][   T10] 
[ 2673.567229][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2673.567229][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2673.567229][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2673.567229][   T10]      ipv6_find_idev+0x102/0x170
[ 2673.567229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2673.567229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2673.567229][   T10]      netlink_rcv_skb+0x130/0x360
[ 2673.567229][   T10]      netlink_unicast+0x449/0x710
[ 2673.567229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2673.567229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2673.567229][   T10]      ___sys_sendmsg+0xee/0x170
[ 2673.567229][   T10]      __sys_sendmsg+0xcd/0x170
[ 2673.567229][   T10]      do_syscall_64+0xc6/0x1e0
[ 2673.567229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2673.567229][   T10] 
[ 2683.704694][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2683.705137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.705137][   T10]      dst_init+0x84/0x4a0
[ 2683.705137][   T10]      dst_alloc+0x97/0x150
[ 2683.705137][   T10]      ip6_dst_alloc+0x23/0x90
[ 2683.705137][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2683.705137][   T10]      ip6_pol_route+0x56f/0x840
[ 2683.705137][   T10]      fib6_rule_lookup+0x456/0x630
[ 2683.705137][   T10]      ip6_route_input+0x59c/0xa50
[ 2683.705137][   T10]      ipv6_rcv+0x397/0x810
[ 2683.705137][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2683.705137][   T10]      process_backlog+0x101/0x620
[ 2683.705137][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2683.705137][   T10]      net_rx_action+0x495/0xbe0
[ 2683.705137][   T10]      __do_softirq+0x1b5/0x7f6
[ 2683.705137][   T10] 
[ 2683.706813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.706813][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2683.706813][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2683.706813][   T10]      fib6_nh_init+0xa22/0x1580
[ 2683.706813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.706813][   T10]      ip6_route_add+0x1c/0x140
[ 2683.706813][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2683.706813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.706813][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.706813][   T10]      netlink_unicast+0x449/0x710
[ 2683.706813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.706813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.706813][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.706813][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.706813][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.706813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.706813][   T10] 
[ 2683.708661][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.708661][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.708661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.708661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.708661][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2683.708661][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2683.708661][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2683.708661][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2683.708661][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2683.708661][   T10]      addrconf_dad_begin+0x310/0x670
[ 2683.708661][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2683.708661][   T10]      process_one_work+0x84d/0x18a0
[ 2683.708661][   T10]      worker_thread+0x587/0xd30
[ 2683.708661][   T10]      kthread+0x28a/0x350
[ 2683.708661][   T10]      ret_from_fork+0x31/0x70
[ 2683.708661][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2683.708661][   T10] 
[ 2683.710553][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.710553][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.710553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.710553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.710553][   T10]      ip6_route_add+0x1c/0x140
[ 2683.710553][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2683.710553][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2683.710553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.710553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.710553][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.710553][   T10]      netlink_unicast+0x449/0x710
[ 2683.710553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.710553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.710553][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.710553][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.710553][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.710553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.710553][   T10] 
[ 2683.712543][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.712543][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.712543][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.712543][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.712543][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2683.712543][   T10]      ipv6_add_addr+0x411/0x2000
[ 2683.712543][   T10]      inet6_addr_add+0x30e/0xa40
[ 2683.712543][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.712543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.712543][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.712543][   T10]      netlink_unicast+0x449/0x710
[ 2683.712543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.712543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.712543][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.712543][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.712543][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.712543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.712543][   T10] 
[ 2683.714613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.714613][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.714613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.714613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.714613][   T10]      ip6_route_add+0x1c/0x140
[ 2683.714613][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2683.714613][   T10]      addrconf_add_dev+0xe2/0x170
[ 2683.714613][   T10]      inet6_addr_add+0x12f/0xa40
[ 2683.714613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.714613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.714613][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.714613][   T10]      netlink_unicast+0x449/0x710
[ 2683.714613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.714613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.714613][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.714613][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.714613][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.714613][   T10] 
[ 2683.716596][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.716596][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2683.716596][   T10]      ipv6_find_idev+0x102/0x170
[ 2683.716596][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2683.716596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.716596][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.716596][   T10]      netlink_unicast+0x449/0x710
[ 2683.716596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.716596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.716596][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.716596][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.716596][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.716596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.716596][   T10] 
[ 2683.718148][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2683.718148][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2683.718148][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2683.718148][   T10]      ipv6_find_idev+0x102/0x170
[ 2683.718148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2683.718148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.718148][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.718148][   T10]      netlink_unicast+0x449/0x710
[ 2683.718148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.718148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.718148][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.718148][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.718148][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.718148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.718148][   T10] 
[ 2683.719845][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2683.720084][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.720084][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2683.720084][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2683.720084][   T10]      fib6_nh_init+0xa22/0x1580
[ 2683.720084][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.720084][   T10]      ip6_route_add+0x1c/0x140
[ 2683.720084][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2683.720084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.720084][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.720084][   T10]      netlink_unicast+0x449/0x710
[ 2683.720084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.720084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.720084][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.720084][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.720084][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.720084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.720084][   T10] 
[ 2683.721964][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.721964][   T10]      dst_init+0x84/0x4a0
[ 2683.721964][   T10]      dst_alloc+0x97/0x150
[ 2683.721964][   T10]      ip6_dst_alloc+0x23/0x90
[ 2683.721964][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2683.721964][   T10]      ip6_pol_route+0x56f/0x840
[ 2683.721964][   T10]      fib6_rule_lookup+0x456/0x630
[ 2683.721964][   T10]      ip6_route_input+0x59c/0xa50
[ 2683.721964][   T10]      ipv6_rcv+0x397/0x810
[ 2683.721964][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2683.721964][   T10]      process_backlog+0x101/0x620
[ 2683.721964][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2683.721964][   T10]      net_rx_action+0x495/0xbe0
[ 2683.721964][   T10]      __do_softirq+0x1b5/0x7f6
[ 2683.721964][   T10] 
[ 2683.723616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.723616][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.723616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.723616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.723616][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2683.723616][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2683.723616][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2683.723616][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2683.723616][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2683.723616][   T10]      addrconf_dad_begin+0x310/0x670
[ 2683.723616][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2683.723616][   T10]      process_one_work+0x84d/0x18a0
[ 2683.723616][   T10]      worker_thread+0x587/0xd30
[ 2683.723616][   T10]      kthread+0x28a/0x350
[ 2683.723616][   T10]      ret_from_fork+0x31/0x70
[ 2683.723616][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2683.723616][   T10] 
[ 2683.725524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.725524][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.725524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.725524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.725524][   T10]      ip6_route_add+0x1c/0x140
[ 2683.725524][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2683.725524][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2683.725524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.725524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.725524][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.725524][   T10]      netlink_unicast+0x449/0x710
[ 2683.725524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.725524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.725524][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.725524][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.725524][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.725524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.725524][   T10] 
[ 2683.727524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.727524][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.727524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.727524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.727524][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2683.727524][   T10]      ipv6_add_addr+0x411/0x2000
[ 2683.727524][   T10]      inet6_addr_add+0x30e/0xa40
[ 2683.727524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.727524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.727524][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.727524][   T10]      netlink_unicast+0x449/0x710
[ 2683.727524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.727524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.727524][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.727524][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.727524][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.727524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.727524][   T10] 
[ 2683.729523][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.729523][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.729523][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.729523][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.729523][   T10]      ip6_route_add+0x1c/0x140
[ 2683.729523][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2683.729523][   T10]      addrconf_add_dev+0xe2/0x170
[ 2683.729523][   T10]      inet6_addr_add+0x12f/0xa40
[ 2683.729523][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.729523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.729523][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.729523][   T10]      netlink_unicast+0x449/0x710
[ 2683.729523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.729523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.729523][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.729523][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.729523][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.729523][   T10] 
[ 2683.731660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.731660][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2683.731660][   T10]      ipv6_find_idev+0x102/0x170
[ 2683.731660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2683.731660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.731660][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.731660][   T10]      netlink_unicast+0x449/0x710
[ 2683.731660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.731660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.731660][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.731660][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.731660][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.731660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.731660][   T10] 
[ 2683.733805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2683.733805][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2683.733805][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2683.733805][   T10]      ipv6_find_idev+0x102/0x170
[ 2683.733805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2683.733805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.733805][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.733805][   T10]      netlink_unicast+0x449/0x710
[ 2683.733805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.733805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.733805][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.733805][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.733805][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.733805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.733805][   T10] 
[ 2683.735718][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2683.736026][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2683.736026][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.736026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.736026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.736026][   T10]      ip6_route_add+0x1c/0x140
[ 2683.736026][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2683.736026][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2683.736026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.736026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.736026][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.736026][   T10]      netlink_unicast+0x449/0x710
[ 2683.736026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.736026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.736026][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.736026][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.736026][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.736026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.736026][   T10] 
[ 2683.738187][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2683.738187][   T10]      netdev_get_by_index+0x5e/0x80
[ 2683.738187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2683.738187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2683.738187][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2683.738187][   T10]      ipv6_add_addr+0x411/0x2000
[ 2683.738187][   T10]      inet6_addr_add+0x30e/0xa40
[ 2683.738187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2683.738187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.738187][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.738187][   T10]      netlink_unicast+0x449/0x710
[ 2683.738187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.738187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.738187][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.738187][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.738187][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.738187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.738187][   T10] 
[ 2683.740453][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2683.740453][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2683.740453][   T10]      ipv6_find_idev+0x102/0x170
[ 2683.740453][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2683.740453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.740453][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.740453][   T10]      netlink_unicast+0x449/0x710
[ 2683.740453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.740453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.740453][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.740453][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.740453][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.740453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.740453][   T10] 
[ 2683.742244][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2683.742244][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2683.742244][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2683.742244][   T10]      ipv6_find_idev+0x102/0x170
[ 2683.742244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2683.742244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2683.742244][   T10]      netlink_rcv_skb+0x130/0x360
[ 2683.742244][   T10]      netlink_unicast+0x449/0x710
[ 2683.742244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2683.742244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2683.742244][   T10]      ___sys_sendmsg+0xee/0x170
[ 2683.742244][   T10]      __sys_sendmsg+0xcd/0x170
[ 2683.742244][   T10]      do_syscall_64+0xc6/0x1e0
[ 2683.742244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2683.742244][   T10] 
[ 2693.984764][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2693.985333][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.985333][   T10]      dst_init+0x84/0x4a0
[ 2693.985333][   T10]      dst_alloc+0x97/0x150
[ 2693.985333][   T10]      ip6_dst_alloc+0x23/0x90
[ 2693.985333][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2693.985333][   T10]      ip6_pol_route+0x56f/0x840
[ 2693.985333][   T10]      fib6_rule_lookup+0x456/0x630
[ 2693.985333][   T10]      ip6_route_input+0x59c/0xa50
[ 2693.985333][   T10]      ipv6_rcv+0x397/0x810
[ 2693.985333][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2693.985333][   T10]      process_backlog+0x101/0x620
[ 2693.985333][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2693.985333][   T10]      net_rx_action+0x495/0xbe0
[ 2693.985333][   T10]      __do_softirq+0x1b5/0x7f6
[ 2693.985333][   T10] 
[ 2693.986969][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.986969][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2693.986969][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2693.986969][   T10]      fib6_nh_init+0xa22/0x1580
[ 2693.986969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2693.986969][   T10]      ip6_route_add+0x1c/0x140
[ 2693.986969][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2693.986969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2693.986969][   T10]      netlink_rcv_skb+0x130/0x360
[ 2693.986969][   T10]      netlink_unicast+0x449/0x710
[ 2693.986969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2693.986969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2693.986969][   T10]      ___sys_sendmsg+0xee/0x170
[ 2693.986969][   T10]      __sys_sendmsg+0xcd/0x170
[ 2693.986969][   T10]      do_syscall_64+0xc6/0x1e0
[ 2693.986969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2693.986969][   T10] 
[ 2693.988822][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.988822][   T10]      netdev_get_by_index+0x5e/0x80
[ 2693.988822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2693.988822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2693.988822][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2693.988822][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2693.988822][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2693.988822][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2693.988822][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2693.988822][   T10]      addrconf_dad_begin+0x310/0x670
[ 2693.988822][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2693.988822][   T10]      process_one_work+0x84d/0x18a0
[ 2693.988822][   T10]      worker_thread+0x587/0xd30
[ 2693.988822][   T10]      kthread+0x28a/0x350
[ 2693.988822][   T10]      ret_from_fork+0x31/0x70
[ 2693.988822][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2693.988822][   T10] 
[ 2693.990774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.990774][   T10]      netdev_get_by_index+0x5e/0x80
[ 2693.990774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2693.990774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2693.990774][   T10]      ip6_route_add+0x1c/0x140
[ 2693.990774][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2693.990774][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2693.990774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2693.990774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2693.990774][   T10]      netlink_rcv_skb+0x130/0x360
[ 2693.990774][   T10]      netlink_unicast+0x449/0x710
[ 2693.990774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2693.990774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2693.990774][   T10]      ___sys_sendmsg+0xee/0x170
[ 2693.990774][   T10]      __sys_sendmsg+0xcd/0x170
[ 2693.990774][   T10]      do_syscall_64+0xc6/0x1e0
[ 2693.990774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2693.990774][   T10] 
[ 2693.992800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.992800][   T10]      netdev_get_by_index+0x5e/0x80
[ 2693.992800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2693.992800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2693.992800][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2693.992800][   T10]      ipv6_add_addr+0x411/0x2000
[ 2693.992800][   T10]      inet6_addr_add+0x30e/0xa40
[ 2693.992800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2693.992800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2693.992800][   T10]      netlink_rcv_skb+0x130/0x360
[ 2693.992800][   T10]      netlink_unicast+0x449/0x710
[ 2693.992800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2693.992800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2693.992800][   T10]      ___sys_sendmsg+0xee/0x170
[ 2693.992800][   T10]      __sys_sendmsg+0xcd/0x170
[ 2693.992800][   T10]      do_syscall_64+0xc6/0x1e0
[ 2693.992800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2693.992800][   T10] 
[ 2693.994823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.994823][   T10]      netdev_get_by_index+0x5e/0x80
[ 2693.994823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2693.994823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2693.994823][   T10]      ip6_route_add+0x1c/0x140
[ 2693.994823][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2693.994823][   T10]      addrconf_add_dev+0xe2/0x170
[ 2693.994823][   T10]      inet6_addr_add+0x12f/0xa40
[ 2693.994823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2693.994823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2693.994823][   T10]      netlink_rcv_skb+0x130/0x360
[ 2693.994823][   T10]      netlink_unicast+0x449/0x710
[ 2693.994823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2693.994823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2693.994823][   T10]      ___sys_sendmsg+0xee/0x170
[ 2693.994823][   T10]      __sys_sendmsg+0xcd/0x170
[ 2693.994823][   T10]      do_syscall_64+0xc6/0x1e0
[ 2693.994823][   T10] 
[ 2693.996795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.996795][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2693.996795][   T10]      ipv6_find_idev+0x102/0x170
[ 2693.996795][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2693.996795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2693.996795][   T10]      netlink_rcv_skb+0x130/0x360
[ 2693.996795][   T10]      netlink_unicast+0x449/0x710
[ 2693.996795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2693.996795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2693.996795][   T10]      ___sys_sendmsg+0xee/0x170
[ 2693.996795][   T10]      __sys_sendmsg+0xcd/0x170
[ 2693.996795][   T10]      do_syscall_64+0xc6/0x1e0
[ 2693.996795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2693.996795][   T10] 
[ 2693.998345][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2693.998345][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2693.998345][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2693.998345][   T10]      ipv6_find_idev+0x102/0x170
[ 2693.998345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2693.998345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2693.998345][   T10]      netlink_rcv_skb+0x130/0x360
[ 2693.998345][   T10]      netlink_unicast+0x449/0x710
[ 2693.998345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2693.998345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2693.998345][   T10]      ___sys_sendmsg+0xee/0x170
[ 2693.998345][   T10]      __sys_sendmsg+0xcd/0x170
[ 2693.998345][   T10]      do_syscall_64+0xc6/0x1e0
[ 2693.998345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2693.998345][   T10] 
[ 2694.000061][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2694.000315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.000315][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2694.000315][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2694.000315][   T10]      fib6_nh_init+0xa22/0x1580
[ 2694.000315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2694.000315][   T10]      ip6_route_add+0x1c/0x140
[ 2694.000315][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2694.000315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.000315][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.000315][   T10]      netlink_unicast+0x449/0x710
[ 2694.000315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.000315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.000315][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.000315][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.000315][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.000315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.000315][   T10] 
[ 2694.002237][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.002237][   T10]      dst_init+0x84/0x4a0
[ 2694.002237][   T10]      dst_alloc+0x97/0x150
[ 2694.002237][   T10]      ip6_dst_alloc+0x23/0x90
[ 2694.002237][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2694.002237][   T10]      ip6_pol_route+0x56f/0x840
[ 2694.002237][   T10]      fib6_rule_lookup+0x456/0x630
[ 2694.002237][   T10]      ip6_route_input+0x59c/0xa50
[ 2694.002237][   T10]      ipv6_rcv+0x397/0x810
[ 2694.002237][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2694.002237][   T10]      process_backlog+0x101/0x620
[ 2694.002237][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2694.002237][   T10]      net_rx_action+0x495/0xbe0
[ 2694.002237][   T10]      __do_softirq+0x1b5/0x7f6
[ 2694.002237][   T10] 
[ 2694.003896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.003896][   T10]      netdev_get_by_index+0x5e/0x80
[ 2694.003896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2694.003896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2694.003896][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2694.003896][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2694.003896][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2694.003896][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2694.003896][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2694.003896][   T10]      addrconf_dad_begin+0x310/0x670
[ 2694.003896][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2694.003896][   T10]      process_one_work+0x84d/0x18a0
[ 2694.003896][   T10]      worker_thread+0x587/0xd30
[ 2694.003896][   T10]      kthread+0x28a/0x350
[ 2694.003896][   T10]      ret_from_fork+0x31/0x70
[ 2694.003896][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2694.003896][   T10] 
[ 2694.005827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.005827][   T10]      netdev_get_by_index+0x5e/0x80
[ 2694.005827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2694.005827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2694.005827][   T10]      ip6_route_add+0x1c/0x140
[ 2694.005827][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2694.005827][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2694.005827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2694.005827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.005827][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.005827][   T10]      netlink_unicast+0x449/0x710
[ 2694.005827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.005827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.005827][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.005827][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.005827][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.005827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.005827][   T10] 
[ 2694.007787][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.007787][   T10]      netdev_get_by_index+0x5e/0x80
[ 2694.007787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2694.007787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2694.007787][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2694.007787][   T10]      ipv6_add_addr+0x411/0x2000
[ 2694.007787][   T10]      inet6_addr_add+0x30e/0xa40
[ 2694.007787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2694.007787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.007787][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.007787][   T10]      netlink_unicast+0x449/0x710
[ 2694.007787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.007787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.007787][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.007787][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.007787][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.007787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.007787][   T10] 
[ 2694.009834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.009834][   T10]      netdev_get_by_index+0x5e/0x80
[ 2694.009834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2694.009834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2694.009834][   T10]      ip6_route_add+0x1c/0x140
[ 2694.009834][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2694.009834][   T10]      addrconf_add_dev+0xe2/0x170
[ 2694.009834][   T10]      inet6_addr_add+0x12f/0xa40
[ 2694.009834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2694.009834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.009834][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.009834][   T10]      netlink_unicast+0x449/0x710
[ 2694.009834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.009834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.009834][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.009834][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.009834][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.009834][   T10] 
[ 2694.011940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.011940][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2694.011940][   T10]      ipv6_find_idev+0x102/0x170
[ 2694.011940][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2694.011940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.011940][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.011940][   T10]      netlink_unicast+0x449/0x710
[ 2694.011940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.011940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.011940][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.011940][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.011940][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.011940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.011940][   T10] 
[ 2694.013544][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2694.013544][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2694.013544][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2694.013544][   T10]      ipv6_find_idev+0x102/0x170
[ 2694.013544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2694.013544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.013544][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.013544][   T10]      netlink_unicast+0x449/0x710
[ 2694.013544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.013544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.013544][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.013544][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.013544][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.013544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.013544][   T10] 
[ 2694.015362][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2694.015672][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2694.015672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2694.015672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2694.015672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2694.015672][   T10]      ip6_route_add+0x1c/0x140
[ 2694.015672][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2694.015672][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2694.015672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2694.015672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.015672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.015672][   T10]      netlink_unicast+0x449/0x710
[ 2694.015672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.015672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.015672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.015672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.015672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.015672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.015672][   T10] 
[ 2694.017670][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2694.017670][   T10]      netdev_get_by_index+0x5e/0x80
[ 2694.017670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2694.017670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2694.017670][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2694.017670][   T10]      ipv6_add_addr+0x411/0x2000
[ 2694.017670][   T10]      inet6_addr_add+0x30e/0xa40
[ 2694.017670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2694.017670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.017670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.017670][   T10]      netlink_unicast+0x449/0x710
[ 2694.017670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.017670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.017670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.017670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.017670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.017670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.017670][   T10] 
[ 2694.019759][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2694.019759][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2694.019759][   T10]      ipv6_find_idev+0x102/0x170
[ 2694.019759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2694.019759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.019759][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.019759][   T10]      netlink_unicast+0x449/0x710
[ 2694.019759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.019759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.019759][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.019759][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.019759][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.019759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.019759][   T10] 
[ 2694.021440][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2694.021440][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2694.021440][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2694.021440][   T10]      ipv6_find_idev+0x102/0x170
[ 2694.021440][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2694.021440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2694.021440][   T10]      netlink_rcv_skb+0x130/0x360
[ 2694.021440][   T10]      netlink_unicast+0x449/0x710
[ 2694.021440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2694.021440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2694.021440][   T10]      ___sys_sendmsg+0xee/0x170
[ 2694.021440][   T10]      __sys_sendmsg+0xcd/0x170
[ 2694.021440][   T10]      do_syscall_64+0xc6/0x1e0
[ 2694.021440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2694.021440][   T10] 
[ 2704.264793][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2704.265316][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.265316][   T10]      dst_init+0x84/0x4a0
[ 2704.265316][   T10]      dst_alloc+0x97/0x150
[ 2704.265316][   T10]      ip6_dst_alloc+0x23/0x90
[ 2704.265316][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2704.265316][   T10]      ip6_pol_route+0x56f/0x840
[ 2704.265316][   T10]      fib6_rule_lookup+0x456/0x630
[ 2704.265316][   T10]      ip6_route_input+0x59c/0xa50
[ 2704.265316][   T10]      ipv6_rcv+0x397/0x810
[ 2704.265316][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2704.265316][   T10]      process_backlog+0x101/0x620
[ 2704.265316][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2704.265316][   T10]      net_rx_action+0x495/0xbe0
[ 2704.265316][   T10]      __do_softirq+0x1b5/0x7f6
[ 2704.265316][   T10] 
[ 2704.266949][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.266949][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2704.266949][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2704.266949][   T10]      fib6_nh_init+0xa22/0x1580
[ 2704.266949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.266949][   T10]      ip6_route_add+0x1c/0x140
[ 2704.266949][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2704.266949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.266949][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.266949][   T10]      netlink_unicast+0x449/0x710
[ 2704.266949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.266949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.266949][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.266949][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.266949][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.266949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.266949][   T10] 
[ 2704.268835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.268835][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.268835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.268835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.268835][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2704.268835][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2704.268835][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2704.268835][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2704.268835][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2704.268835][   T10]      addrconf_dad_begin+0x310/0x670
[ 2704.268835][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2704.268835][   T10]      process_one_work+0x84d/0x18a0
[ 2704.268835][   T10]      worker_thread+0x587/0xd30
[ 2704.268835][   T10]      kthread+0x28a/0x350
[ 2704.268835][   T10]      ret_from_fork+0x31/0x70
[ 2704.268835][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2704.268835][   T10] 
[ 2704.270737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.270737][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.270737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.270737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.270737][   T10]      ip6_route_add+0x1c/0x140
[ 2704.270737][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2704.270737][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2704.270737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.270737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.270737][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.270737][   T10]      netlink_unicast+0x449/0x710
[ 2704.270737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.270737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.270737][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.270737][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.270737][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.270737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.270737][   T10] 
[ 2704.272821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.272821][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.272821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.272821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.272821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2704.272821][   T10]      ipv6_add_addr+0x411/0x2000
[ 2704.272821][   T10]      inet6_addr_add+0x30e/0xa40
[ 2704.272821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.272821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.272821][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.272821][   T10]      netlink_unicast+0x449/0x710
[ 2704.272821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.272821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.272821][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.272821][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.272821][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.272821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.272821][   T10] 
[ 2704.274874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.274874][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.274874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.274874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.274874][   T10]      ip6_route_add+0x1c/0x140
[ 2704.274874][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2704.274874][   T10]      addrconf_add_dev+0xe2/0x170
[ 2704.274874][   T10]      inet6_addr_add+0x12f/0xa40
[ 2704.274874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.274874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.274874][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.274874][   T10]      netlink_unicast+0x449/0x710
[ 2704.274874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.274874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.274874][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.274874][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.274874][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.274874][   T10] 
[ 2704.276848][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.276848][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2704.276848][   T10]      ipv6_find_idev+0x102/0x170
[ 2704.276848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2704.276848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.276848][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.276848][   T10]      netlink_unicast+0x449/0x710
[ 2704.276848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.276848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.276848][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.276848][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.276848][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.276848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.276848][   T10] 
[ 2704.278384][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2704.278384][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2704.278384][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2704.278384][   T10]      ipv6_find_idev+0x102/0x170
[ 2704.278384][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2704.278384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.278384][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.278384][   T10]      netlink_unicast+0x449/0x710
[ 2704.278384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.278384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.278384][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.278384][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.278384][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.278384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.278384][   T10] 
[ 2704.280080][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2704.280340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.280340][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2704.280340][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2704.280340][   T10]      fib6_nh_init+0xa22/0x1580
[ 2704.280340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.280340][   T10]      ip6_route_add+0x1c/0x140
[ 2704.280340][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2704.280340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.280340][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.280340][   T10]      netlink_unicast+0x449/0x710
[ 2704.280340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.280340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.280340][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.280340][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.280340][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.280340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.280340][   T10] 
[ 2704.282226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.282226][   T10]      dst_init+0x84/0x4a0
[ 2704.282226][   T10]      dst_alloc+0x97/0x150
[ 2704.282226][   T10]      ip6_dst_alloc+0x23/0x90
[ 2704.282226][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2704.282226][   T10]      ip6_pol_route+0x56f/0x840
[ 2704.282226][   T10]      fib6_rule_lookup+0x456/0x630
[ 2704.282226][   T10]      ip6_route_input+0x59c/0xa50
[ 2704.282226][   T10]      ipv6_rcv+0x397/0x810
[ 2704.282226][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2704.282226][   T10]      process_backlog+0x101/0x620
[ 2704.282226][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2704.282226][   T10]      net_rx_action+0x495/0xbe0
[ 2704.282226][   T10]      __do_softirq+0x1b5/0x7f6
[ 2704.282226][   T10] 
[ 2704.283889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.283889][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.283889][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.283889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.283889][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2704.283889][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2704.283889][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2704.283889][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2704.283889][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2704.283889][   T10]      addrconf_dad_begin+0x310/0x670
[ 2704.283889][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2704.283889][   T10]      process_one_work+0x84d/0x18a0
[ 2704.283889][   T10]      worker_thread+0x587/0xd30
[ 2704.283889][   T10]      kthread+0x28a/0x350
[ 2704.283889][   T10]      ret_from_fork+0x31/0x70
[ 2704.283889][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2704.283889][   T10] 
[ 2704.285824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.285824][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.285824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.285824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.285824][   T10]      ip6_route_add+0x1c/0x140
[ 2704.285824][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2704.285824][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2704.285824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.285824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.285824][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.285824][   T10]      netlink_unicast+0x449/0x710
[ 2704.285824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.285824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.285824][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.285824][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.285824][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.285824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.285824][   T10] 
[ 2704.287824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.287824][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.287824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.287824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.287824][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2704.287824][   T10]      ipv6_add_addr+0x411/0x2000
[ 2704.287824][   T10]      inet6_addr_add+0x30e/0xa40
[ 2704.287824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.287824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.287824][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.287824][   T10]      netlink_unicast+0x449/0x710
[ 2704.287824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.287824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.287824][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.287824][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.287824][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.287824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.287824][   T10] 
[ 2704.289826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.289826][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.289826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.289826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.289826][   T10]      ip6_route_add+0x1c/0x140
[ 2704.289826][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2704.289826][   T10]      addrconf_add_dev+0xe2/0x170
[ 2704.289826][   T10]      inet6_addr_add+0x12f/0xa40
[ 2704.289826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.289826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.289826][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.289826][   T10]      netlink_unicast+0x449/0x710
[ 2704.289826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.289826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.289826][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.289826][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.289826][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.289826][   T10] 
[ 2704.291927][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.291927][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2704.291927][   T10]      ipv6_find_idev+0x102/0x170
[ 2704.291927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2704.291927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.291927][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.291927][   T10]      netlink_unicast+0x449/0x710
[ 2704.291927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.291927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.291927][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.291927][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.291927][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.291927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.291927][   T10] 
[ 2704.293597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2704.293597][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2704.293597][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2704.293597][   T10]      ipv6_find_idev+0x102/0x170
[ 2704.293597][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2704.293597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.293597][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.293597][   T10]      netlink_unicast+0x449/0x710
[ 2704.293597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.293597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.293597][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.293597][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.293597][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.293597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.293597][   T10] 
[ 2704.295356][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2704.295665][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2704.295665][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.295665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.295665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.295665][   T10]      ip6_route_add+0x1c/0x140
[ 2704.295665][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2704.295665][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2704.295665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.295665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.295665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.295665][   T10]      netlink_unicast+0x449/0x710
[ 2704.295665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.295665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.295665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.295665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.295665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.295665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.295665][   T10] 
[ 2704.297740][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2704.297740][   T10]      netdev_get_by_index+0x5e/0x80
[ 2704.297740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2704.297740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2704.297740][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2704.297740][   T10]      ipv6_add_addr+0x411/0x2000
[ 2704.297740][   T10]      inet6_addr_add+0x30e/0xa40
[ 2704.297740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2704.297740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.297740][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.297740][   T10]      netlink_unicast+0x449/0x710
[ 2704.297740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.297740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.297740][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.297740][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.297740][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.297740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.297740][   T10] 
[ 2704.299848][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2704.299848][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2704.299848][   T10]      ipv6_find_idev+0x102/0x170
[ 2704.299848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2704.299848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.299848][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.299848][   T10]      netlink_unicast+0x449/0x710
[ 2704.299848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.299848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.299848][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.299848][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.299848][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.299848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.299848][   T10] 
[ 2704.301525][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2704.301525][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2704.301525][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2704.301525][   T10]      ipv6_find_idev+0x102/0x170
[ 2704.301525][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2704.301525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2704.301525][   T10]      netlink_rcv_skb+0x130/0x360
[ 2704.301525][   T10]      netlink_unicast+0x449/0x710
[ 2704.301525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2704.301525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2704.301525][   T10]      ___sys_sendmsg+0xee/0x170
[ 2704.301525][   T10]      __sys_sendmsg+0xcd/0x170
[ 2704.301525][   T10]      do_syscall_64+0xc6/0x1e0
[ 2704.301525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.301525][   T10] 
[ 2704.680777][   T42] INFO: task modprobe:7622 blocked for more than 1228 seconds.
[ 2704.681062][   T42]       Not tainted 6.8.0-virtme #1
[ 2704.681178][   T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 2704.681372][   T42] task:modprobe        state:D stack:25856 pid:7622  tgid:7622  ppid:39     flags:0x00004002
[ 2704.681634][   T42] Call Trace:
[ 2704.681732][   T42]  <TASK>
[ 2704.681804][   T42]  __schedule+0x705/0x1ac0
[ 2704.681935][   T42]  ? __pfx___schedule+0x10/0x10
[ 2704.682055][   T42]  ? schedule+0x1a5/0x210
[ 2704.682165][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2704.682296][   T42]  ? mark_lock+0x38/0x3e0
[ 2704.682390][   T42]  ? do_raw_spin_lock+0x131/0x270
[ 2704.682517][   T42]  ? schedule+0x1a5/0x210
[ 2704.682629][   T42]  schedule+0xdf/0x210
[ 2704.682738][   T42]  schedule_preempt_disabled+0x15/0x30
[ 2704.682858][   T42]  rwsem_down_write_slowpath+0x3af/0xab0
[ 2704.682993][   T42]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 2704.683144][   T42]  ? __pfx_console_unlock+0x10/0x10
[ 2704.683266][   T42]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 2704.683397][   T42]  ? lock_acquire+0x1c1/0x220
[ 2704.683517][   T42]  ? register_pernet_subsys+0x1a/0x50
[ 2704.683654][   T42]  down_write+0x1c9/0x200
[ 2704.683750][   T42]  ? __pfx_down_write+0x10/0x10
[ 2704.683872][   T42]  ? __pfx__printk+0x10/0x10
[ 2704.683996][   T42]  ? __pfx___lock_release+0x10/0x10
[ 2704.684120][   T42]  register_pernet_subsys+0x1a/0x50
[ 2704.684246][   T42]  tcf_register_action+0xa3/0x600
[ 2704.684368][   T42]  ? __pfx_gact_init_module+0x10/0x10 [act_gact]
[ 2704.684566][   T42]  do_one_initcall+0xc8/0x3f0
[ 2704.684697][   T42]  ? __pfx_do_one_initcall+0x10/0x10
[ 2704.684823][   T42]  ? __create_object+0x5e/0xb0
[ 2704.684949][   T42]  ? kasan_unpoison+0x27/0x60
[ 2704.685078][   T42]  do_init_module+0x233/0x740
[ 2704.685209][   T42]  load_module+0x16b5/0x2350
[ 2704.685340][   T42]  ? __pfx_load_module+0x10/0x10
[ 2704.685460][   T42]  ? kernel_read_file+0x3d2/0x520
[ 2704.685610][   T42]  ? kernel_read_file+0x300/0x520
[ 2704.685737][   T42]  ? __pfx_kernel_read_file+0x10/0x10
[ 2704.685867][   T42]  ? init_module_from_file+0xd2/0x130
[ 2704.685989][   T42]  init_module_from_file+0xd2/0x130
[ 2704.686111][   T42]  ? __pfx_init_module_from_file+0x10/0x10
[ 2704.686261][   T42]  ? __lock_release+0x103/0x460
[ 2704.686380][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2704.686511][   T42]  ? idempotent_init_module+0x32a/0x620
[ 2704.686644][   T42]  ? do_raw_spin_unlock+0x58/0x220
[ 2704.686769][   T42]  idempotent_init_module+0x342/0x620
[ 2704.686895][   T42]  ? __pfx_idempotent_init_module+0x10/0x10
[ 2704.687062][   T42]  __x64_sys_finit_module+0xbe/0x130
[ 2704.687185][   T42]  do_syscall_64+0xc6/0x1e0
[ 2704.687311][   T42]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2704.687463][   T42] RIP: 0033:0x7fbaeb1c8e5d
[ 2704.687597][   T42] RSP: 002b:00007fff75695cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2704.687783][   T42] RAX: ffffffffffffffda RBX: 000055e0f0f9ac80 RCX: 00007fbaeb1c8e5d
[ 2704.687970][   T42] RDX: 0000000000000000 RSI: 000055e0c0fd6a2a RDI: 0000000000000000
[ 2704.688147][   T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 00007fff75695e30
[ 2704.688326][   T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e0c0fd6a2a
[ 2704.688522][   T42] R13: 000055e0f0f9aac0 R14: 000055e0f0f9b0b0 R15: 000055e0f0f9acf1
[ 2704.688728][   T42]  </TASK>
[ 2704.688822][   T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
[ 2704.689028][   T42] 
[ 2704.689028][   T42] Showing all locks held in the system:
[ 2704.689210][   T42] 3 locks held by kworker/u16:0/10:
[ 2704.689326][   T42]  #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2704.689569][   T42]  #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2704.689810][   T42]  #2: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60
[ 2704.690026][   T42] 2 locks held by kworker/u20:0/39:
[ 2704.690140][   T42]  #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0
[ 2704.690377][   T42]  #1: ffffc900002c7da0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0
[ 2704.690656][   T42] 1 lock held by khungtaskd/42:
[ 2704.690771][   T42]  #0: ffffffff98b591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350
[ 2704.690993][   T42] 1 lock held by modprobe/7622:
[ 2704.691107][   T42]  #0: ffffffff9936a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50
[ 2704.691349][   T42] 
[ 2704.691408][   T42] =============================================
[ 2704.691408][   T42] 
[ 2714.544769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2714.545297][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.545297][   T10]      dst_init+0x84/0x4a0
[ 2714.545297][   T10]      dst_alloc+0x97/0x150
[ 2714.545297][   T10]      ip6_dst_alloc+0x23/0x90
[ 2714.545297][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2714.545297][   T10]      ip6_pol_route+0x56f/0x840
[ 2714.545297][   T10]      fib6_rule_lookup+0x456/0x630
[ 2714.545297][   T10]      ip6_route_input+0x59c/0xa50
[ 2714.545297][   T10]      ipv6_rcv+0x397/0x810
[ 2714.545297][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2714.545297][   T10]      process_backlog+0x101/0x620
[ 2714.545297][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2714.545297][   T10]      net_rx_action+0x495/0xbe0
[ 2714.545297][   T10]      __do_softirq+0x1b5/0x7f6
[ 2714.545297][   T10] 
[ 2714.546939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.546939][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2714.546939][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2714.546939][   T10]      fib6_nh_init+0xa22/0x1580
[ 2714.546939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.546939][   T10]      ip6_route_add+0x1c/0x140
[ 2714.546939][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2714.546939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.546939][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.546939][   T10]      netlink_unicast+0x449/0x710
[ 2714.546939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.546939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.546939][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.546939][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.546939][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.546939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.546939][   T10] 
[ 2714.548874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.548874][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.548874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.548874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.548874][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2714.548874][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2714.548874][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2714.548874][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2714.548874][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2714.548874][   T10]      addrconf_dad_begin+0x310/0x670
[ 2714.548874][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2714.548874][   T10]      process_one_work+0x84d/0x18a0
[ 2714.548874][   T10]      worker_thread+0x587/0xd30
[ 2714.548874][   T10]      kthread+0x28a/0x350
[ 2714.548874][   T10]      ret_from_fork+0x31/0x70
[ 2714.548874][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2714.548874][   T10] 
[ 2714.550781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.550781][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.550781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.550781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.550781][   T10]      ip6_route_add+0x1c/0x140
[ 2714.550781][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2714.550781][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2714.550781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.550781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.550781][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.550781][   T10]      netlink_unicast+0x449/0x710
[ 2714.550781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.550781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.550781][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.550781][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.550781][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.550781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.550781][   T10] 
[ 2714.552761][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.552761][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.552761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.552761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.552761][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2714.552761][   T10]      ipv6_add_addr+0x411/0x2000
[ 2714.552761][   T10]      inet6_addr_add+0x30e/0xa40
[ 2714.552761][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.552761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.552761][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.552761][   T10]      netlink_unicast+0x449/0x710
[ 2714.552761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.552761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.552761][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.552761][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.552761][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.552761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.552761][   T10] 
[ 2714.554758][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.554758][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.554758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.554758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.554758][   T10]      ip6_route_add+0x1c/0x140
[ 2714.554758][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2714.554758][   T10]      addrconf_add_dev+0xe2/0x170
[ 2714.554758][   T10]      inet6_addr_add+0x12f/0xa40
[ 2714.554758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.554758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.554758][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.554758][   T10]      netlink_unicast+0x449/0x710
[ 2714.554758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.554758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.554758][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.554758][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.554758][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.554758][   T10] 
[ 2714.556668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.556668][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2714.556668][   T10]      ipv6_find_idev+0x102/0x170
[ 2714.556668][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2714.556668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.556668][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.556668][   T10]      netlink_unicast+0x449/0x710
[ 2714.556668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.556668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.556668][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.556668][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.556668][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.556668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.556668][   T10] 
[ 2714.558177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2714.558177][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2714.558177][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2714.558177][   T10]      ipv6_find_idev+0x102/0x170
[ 2714.558177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2714.558177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.558177][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.558177][   T10]      netlink_unicast+0x449/0x710
[ 2714.558177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.558177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.558177][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.558177][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.558177][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.558177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.558177][   T10] 
[ 2714.559821][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2714.560055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.560055][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2714.560055][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2714.560055][   T10]      fib6_nh_init+0xa22/0x1580
[ 2714.560055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.560055][   T10]      ip6_route_add+0x1c/0x140
[ 2714.560055][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2714.560055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.560055][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.560055][   T10]      netlink_unicast+0x449/0x710
[ 2714.560055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.560055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.560055][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.560055][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.560055][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.560055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.560055][   T10] 
[ 2714.561884][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.561884][   T10]      dst_init+0x84/0x4a0
[ 2714.561884][   T10]      dst_alloc+0x97/0x150
[ 2714.561884][   T10]      ip6_dst_alloc+0x23/0x90
[ 2714.561884][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2714.561884][   T10]      ip6_pol_route+0x56f/0x840
[ 2714.561884][   T10]      fib6_rule_lookup+0x456/0x630
[ 2714.561884][   T10]      ip6_route_input+0x59c/0xa50
[ 2714.561884][   T10]      ipv6_rcv+0x397/0x810
[ 2714.561884][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2714.561884][   T10]      process_backlog+0x101/0x620
[ 2714.561884][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2714.561884][   T10]      net_rx_action+0x495/0xbe0
[ 2714.561884][   T10]      __do_softirq+0x1b5/0x7f6
[ 2714.561884][   T10] 
[ 2714.563494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.563494][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.563494][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.563494][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.563494][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2714.563494][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2714.563494][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2714.563494][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2714.563494][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2714.563494][   T10]      addrconf_dad_begin+0x310/0x670
[ 2714.563494][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2714.563494][   T10]      process_one_work+0x84d/0x18a0
[ 2714.563494][   T10]      worker_thread+0x587/0xd30
[ 2714.563494][   T10]      kthread+0x28a/0x350
[ 2714.563494][   T10]      ret_from_fork+0x31/0x70
[ 2714.563494][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2714.563494][   T10] 
[ 2714.565387][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.565387][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.565387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.565387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.565387][   T10]      ip6_route_add+0x1c/0x140
[ 2714.565387][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2714.565387][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2714.565387][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.565387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.565387][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.565387][   T10]      netlink_unicast+0x449/0x710
[ 2714.565387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.565387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.565387][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.565387][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.565387][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.565387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.565387][   T10] 
[ 2714.567328][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.567328][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.567328][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.567328][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.567328][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2714.567328][   T10]      ipv6_add_addr+0x411/0x2000
[ 2714.567328][   T10]      inet6_addr_add+0x30e/0xa40
[ 2714.567328][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.567328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.567328][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.567328][   T10]      netlink_unicast+0x449/0x710
[ 2714.567328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.567328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.567328][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.567328][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.567328][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.567328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.567328][   T10] 
[ 2714.569292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.569292][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.569292][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.569292][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.569292][   T10]      ip6_route_add+0x1c/0x140
[ 2714.569292][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2714.569292][   T10]      addrconf_add_dev+0xe2/0x170
[ 2714.569292][   T10]      inet6_addr_add+0x12f/0xa40
[ 2714.569292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.569292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.569292][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.569292][   T10]      netlink_unicast+0x449/0x710
[ 2714.569292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.569292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.569292][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.569292][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.569292][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.569292][   T10] 
[ 2714.571406][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.571406][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2714.571406][   T10]      ipv6_find_idev+0x102/0x170
[ 2714.571406][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2714.571406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.571406][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.571406][   T10]      netlink_unicast+0x449/0x710
[ 2714.571406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.571406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.571406][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.571406][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.571406][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.571406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.571406][   T10] 
[ 2714.573145][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2714.573145][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2714.573145][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2714.573145][   T10]      ipv6_find_idev+0x102/0x170
[ 2714.573145][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2714.573145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.573145][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.573145][   T10]      netlink_unicast+0x449/0x710
[ 2714.573145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.573145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.573145][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.573145][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.573145][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.573145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.573145][   T10] 
[ 2714.575081][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2714.575381][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2714.575381][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.575381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.575381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.575381][   T10]      ip6_route_add+0x1c/0x140
[ 2714.575381][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2714.575381][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2714.575381][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.575381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.575381][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.575381][   T10]      netlink_unicast+0x449/0x710
[ 2714.575381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.575381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.575381][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.575381][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.575381][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.575381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.575381][   T10] 
[ 2714.577562][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2714.577562][   T10]      netdev_get_by_index+0x5e/0x80
[ 2714.577562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2714.577562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2714.577562][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2714.577562][   T10]      ipv6_add_addr+0x411/0x2000
[ 2714.577562][   T10]      inet6_addr_add+0x30e/0xa40
[ 2714.577562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2714.577562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.577562][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.577562][   T10]      netlink_unicast+0x449/0x710
[ 2714.577562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.577562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.577562][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.577562][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.577562][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.577562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.577562][   T10] 
[ 2714.579810][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2714.579810][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2714.579810][   T10]      ipv6_find_idev+0x102/0x170
[ 2714.579810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2714.579810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.579810][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.579810][   T10]      netlink_unicast+0x449/0x710
[ 2714.579810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.579810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.579810][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.579810][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.579810][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.579810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.579810][   T10] 
[ 2714.581544][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2714.581544][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2714.581544][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2714.581544][   T10]      ipv6_find_idev+0x102/0x170
[ 2714.581544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2714.581544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2714.581544][   T10]      netlink_rcv_skb+0x130/0x360
[ 2714.581544][   T10]      netlink_unicast+0x449/0x710
[ 2714.581544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2714.581544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2714.581544][   T10]      ___sys_sendmsg+0xee/0x170
[ 2714.581544][   T10]      __sys_sendmsg+0xcd/0x170
[ 2714.581544][   T10]      do_syscall_64+0xc6/0x1e0
[ 2714.581544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2714.581544][   T10] 
[ 2724.824801][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2724.825335][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.825335][   T10]      dst_init+0x84/0x4a0
[ 2724.825335][   T10]      dst_alloc+0x97/0x150
[ 2724.825335][   T10]      ip6_dst_alloc+0x23/0x90
[ 2724.825335][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2724.825335][   T10]      ip6_pol_route+0x56f/0x840
[ 2724.825335][   T10]      fib6_rule_lookup+0x456/0x630
[ 2724.825335][   T10]      ip6_route_input+0x59c/0xa50
[ 2724.825335][   T10]      ipv6_rcv+0x397/0x810
[ 2724.825335][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2724.825335][   T10]      process_backlog+0x101/0x620
[ 2724.825335][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2724.825335][   T10]      net_rx_action+0x495/0xbe0
[ 2724.825335][   T10]      __do_softirq+0x1b5/0x7f6
[ 2724.825335][   T10] 
[ 2724.826947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.826947][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2724.826947][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2724.826947][   T10]      fib6_nh_init+0xa22/0x1580
[ 2724.826947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.826947][   T10]      ip6_route_add+0x1c/0x140
[ 2724.826947][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2724.826947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.826947][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.826947][   T10]      netlink_unicast+0x449/0x710
[ 2724.826947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.826947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.826947][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.826947][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.826947][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.826947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.826947][   T10] 
[ 2724.828734][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.828734][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.828734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.828734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.828734][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2724.828734][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2724.828734][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2724.828734][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2724.828734][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2724.828734][   T10]      addrconf_dad_begin+0x310/0x670
[ 2724.828734][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2724.828734][   T10]      process_one_work+0x84d/0x18a0
[ 2724.828734][   T10]      worker_thread+0x587/0xd30
[ 2724.828734][   T10]      kthread+0x28a/0x350
[ 2724.828734][   T10]      ret_from_fork+0x31/0x70
[ 2724.828734][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2724.828734][   T10] 
[ 2724.830594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.830594][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.830594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.830594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.830594][   T10]      ip6_route_add+0x1c/0x140
[ 2724.830594][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2724.830594][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2724.830594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.830594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.830594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.830594][   T10]      netlink_unicast+0x449/0x710
[ 2724.830594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.830594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.830594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.830594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.830594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.830594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.830594][   T10] 
[ 2724.832639][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.832639][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.832639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.832639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.832639][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2724.832639][   T10]      ipv6_add_addr+0x411/0x2000
[ 2724.832639][   T10]      inet6_addr_add+0x30e/0xa40
[ 2724.832639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.832639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.832639][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.832639][   T10]      netlink_unicast+0x449/0x710
[ 2724.832639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.832639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.832639][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.832639][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.832639][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.832639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.832639][   T10] 
[ 2724.834657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.834657][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.834657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.834657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.834657][   T10]      ip6_route_add+0x1c/0x140
[ 2724.834657][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2724.834657][   T10]      addrconf_add_dev+0xe2/0x170
[ 2724.834657][   T10]      inet6_addr_add+0x12f/0xa40
[ 2724.834657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.834657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.834657][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.834657][   T10]      netlink_unicast+0x449/0x710
[ 2724.834657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.834657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.834657][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.834657][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.834657][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.834657][   T10] 
[ 2724.836581][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.836581][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2724.836581][   T10]      ipv6_find_idev+0x102/0x170
[ 2724.836581][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2724.836581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.836581][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.836581][   T10]      netlink_unicast+0x449/0x710
[ 2724.836581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.836581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.836581][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.836581][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.836581][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.836581][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.836581][   T10] 
[ 2724.838126][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2724.838126][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2724.838126][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2724.838126][   T10]      ipv6_find_idev+0x102/0x170
[ 2724.838126][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2724.838126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.838126][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.838126][   T10]      netlink_unicast+0x449/0x710
[ 2724.838126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.838126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.838126][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.838126][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.838126][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.838126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.838126][   T10] 
[ 2724.839779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2724.840026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.840026][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2724.840026][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2724.840026][   T10]      fib6_nh_init+0xa22/0x1580
[ 2724.840026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.840026][   T10]      ip6_route_add+0x1c/0x140
[ 2724.840026][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2724.840026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.840026][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.840026][   T10]      netlink_unicast+0x449/0x710
[ 2724.840026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.840026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.840026][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.840026][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.840026][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.840026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.840026][   T10] 
[ 2724.842377][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.842377][   T10]      dst_init+0x84/0x4a0
[ 2724.842377][   T10]      dst_alloc+0x97/0x150
[ 2724.842377][   T10]      ip6_dst_alloc+0x23/0x90
[ 2724.842377][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2724.842377][   T10]      ip6_pol_route+0x56f/0x840
[ 2724.842377][   T10]      fib6_rule_lookup+0x456/0x630
[ 2724.842377][   T10]      ip6_route_input+0x59c/0xa50
[ 2724.842377][   T10]      ipv6_rcv+0x397/0x810
[ 2724.842377][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2724.842377][   T10]      process_backlog+0x101/0x620
[ 2724.842377][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2724.842377][   T10]      net_rx_action+0x495/0xbe0
[ 2724.842377][   T10]      __do_softirq+0x1b5/0x7f6
[ 2724.842377][   T10] 
[ 2724.845048][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.845048][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.845048][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.845048][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.845048][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2724.845048][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2724.845048][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2724.845048][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2724.845048][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2724.845048][   T10]      addrconf_dad_begin+0x310/0x670
[ 2724.845048][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2724.845048][   T10]      process_one_work+0x84d/0x18a0
[ 2724.845048][   T10]      worker_thread+0x587/0xd30
[ 2724.845048][   T10]      kthread+0x28a/0x350
[ 2724.845048][   T10]      ret_from_fork+0x31/0x70
[ 2724.845048][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2724.845048][   T10] 
[ 2724.848129][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.848129][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.848129][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.848129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.848129][   T10]      ip6_route_add+0x1c/0x140
[ 2724.848129][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2724.848129][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2724.848129][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.848129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.848129][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.848129][   T10]      netlink_unicast+0x449/0x710
[ 2724.848129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.848129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.848129][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.848129][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.848129][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.848129][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.848129][   T10] 
[ 2724.851369][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.851369][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.851369][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.851369][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.851369][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2724.851369][   T10]      ipv6_add_addr+0x411/0x2000
[ 2724.851369][   T10]      inet6_addr_add+0x30e/0xa40
[ 2724.851369][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.851369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.851369][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.851369][   T10]      netlink_unicast+0x449/0x710
[ 2724.851369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.851369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.851369][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.851369][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.851369][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.851369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.851369][   T10] 
[ 2724.854692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.854692][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.854692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.854692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.854692][   T10]      ip6_route_add+0x1c/0x140
[ 2724.854692][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2724.854692][   T10]      addrconf_add_dev+0xe2/0x170
[ 2724.854692][   T10]      inet6_addr_add+0x12f/0xa40
[ 2724.854692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.854692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.854692][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.854692][   T10]      netlink_unicast+0x449/0x710
[ 2724.854692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.854692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.854692][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.854692][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.854692][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.854692][   T10] 
[ 2724.858141][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.858141][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2724.858141][   T10]      ipv6_find_idev+0x102/0x170
[ 2724.858141][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2724.858141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.858141][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.858141][   T10]      netlink_unicast+0x449/0x710
[ 2724.858141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.858141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.858141][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.858141][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.858141][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.858141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.858141][   T10] 
[ 2724.861045][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2724.861045][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2724.861045][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2724.861045][   T10]      ipv6_find_idev+0x102/0x170
[ 2724.861045][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2724.861045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.861045][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.861045][   T10]      netlink_unicast+0x449/0x710
[ 2724.861045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.861045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.861045][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.861045][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.861045][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.861045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.861045][   T10] 
[ 2724.864202][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2724.864646][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2724.864646][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.864646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.864646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.864646][   T10]      ip6_route_add+0x1c/0x140
[ 2724.864646][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2724.864646][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2724.864646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.864646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.864646][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.864646][   T10]      netlink_unicast+0x449/0x710
[ 2724.864646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.864646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.864646][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.864646][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.864646][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.864646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.864646][   T10] 
[ 2724.868413][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2724.868413][   T10]      netdev_get_by_index+0x5e/0x80
[ 2724.868413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2724.868413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2724.868413][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2724.868413][   T10]      ipv6_add_addr+0x411/0x2000
[ 2724.868413][   T10]      inet6_addr_add+0x30e/0xa40
[ 2724.868413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2724.868413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.868413][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.868413][   T10]      netlink_unicast+0x449/0x710
[ 2724.868413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.868413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.868413][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.868413][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.868413][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.868413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.868413][   T10] 
[ 2724.872148][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2724.872148][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2724.872148][   T10]      ipv6_find_idev+0x102/0x170
[ 2724.872148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2724.872148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.872148][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.872148][   T10]      netlink_unicast+0x449/0x710
[ 2724.872148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.872148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.872148][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.872148][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.872148][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.872148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.872148][   T10] 
[ 2724.875124][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2724.875124][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2724.875124][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2724.875124][   T10]      ipv6_find_idev+0x102/0x170
[ 2724.875124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2724.875124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2724.875124][   T10]      netlink_rcv_skb+0x130/0x360
[ 2724.875124][   T10]      netlink_unicast+0x449/0x710
[ 2724.875124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2724.875124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2724.875124][   T10]      ___sys_sendmsg+0xee/0x170
[ 2724.875124][   T10]      __sys_sendmsg+0xcd/0x170
[ 2724.875124][   T10]      do_syscall_64+0xc6/0x1e0
[ 2724.875124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2724.875124][   T10] 
[ 2735.032799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2735.033281][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.033281][   T10]      dst_init+0x84/0x4a0
[ 2735.033281][   T10]      dst_alloc+0x97/0x150
[ 2735.033281][   T10]      ip6_dst_alloc+0x23/0x90
[ 2735.033281][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2735.033281][   T10]      ip6_pol_route+0x56f/0x840
[ 2735.033281][   T10]      fib6_rule_lookup+0x456/0x630
[ 2735.033281][   T10]      ip6_route_input+0x59c/0xa50
[ 2735.033281][   T10]      ipv6_rcv+0x397/0x810
[ 2735.033281][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2735.033281][   T10]      process_backlog+0x101/0x620
[ 2735.033281][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2735.033281][   T10]      net_rx_action+0x495/0xbe0
[ 2735.033281][   T10]      __do_softirq+0x1b5/0x7f6
[ 2735.033281][   T10] 
[ 2735.034857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.034857][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2735.034857][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2735.034857][   T10]      fib6_nh_init+0xa22/0x1580
[ 2735.034857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.034857][   T10]      ip6_route_add+0x1c/0x140
[ 2735.034857][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2735.034857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.034857][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.034857][   T10]      netlink_unicast+0x449/0x710
[ 2735.034857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.034857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.034857][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.034857][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.034857][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.034857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.034857][   T10] 
[ 2735.036628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.036628][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.036628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.036628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.036628][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2735.036628][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2735.036628][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2735.036628][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2735.036628][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2735.036628][   T10]      addrconf_dad_begin+0x310/0x670
[ 2735.036628][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2735.036628][   T10]      process_one_work+0x84d/0x18a0
[ 2735.036628][   T10]      worker_thread+0x587/0xd30
[ 2735.036628][   T10]      kthread+0x28a/0x350
[ 2735.036628][   T10]      ret_from_fork+0x31/0x70
[ 2735.036628][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2735.036628][   T10] 
[ 2735.038513][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.038513][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.038513][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.038513][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.038513][   T10]      ip6_route_add+0x1c/0x140
[ 2735.038513][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2735.038513][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2735.038513][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.038513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.038513][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.038513][   T10]      netlink_unicast+0x449/0x710
[ 2735.038513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.038513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.038513][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.038513][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.038513][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.038513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.038513][   T10] 
[ 2735.040476][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.040476][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.040476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.040476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.040476][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2735.040476][   T10]      ipv6_add_addr+0x411/0x2000
[ 2735.040476][   T10]      inet6_addr_add+0x30e/0xa40
[ 2735.040476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.040476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.040476][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.040476][   T10]      netlink_unicast+0x449/0x710
[ 2735.040476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.040476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.040476][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.040476][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.040476][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.040476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.040476][   T10] 
[ 2735.042516][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.042516][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.042516][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.042516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.042516][   T10]      ip6_route_add+0x1c/0x140
[ 2735.042516][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2735.042516][   T10]      addrconf_add_dev+0xe2/0x170
[ 2735.042516][   T10]      inet6_addr_add+0x12f/0xa40
[ 2735.042516][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.042516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.042516][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.042516][   T10]      netlink_unicast+0x449/0x710
[ 2735.042516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.042516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.042516][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.042516][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.042516][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.042516][   T10] 
[ 2735.044472][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.044472][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2735.044472][   T10]      ipv6_find_idev+0x102/0x170
[ 2735.044472][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.044472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.044472][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.044472][   T10]      netlink_unicast+0x449/0x710
[ 2735.044472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.044472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.044472][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.044472][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.044472][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.044472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.044472][   T10] 
[ 2735.046062][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2735.046062][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2735.046062][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2735.046062][   T10]      ipv6_find_idev+0x102/0x170
[ 2735.046062][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.046062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.046062][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.046062][   T10]      netlink_unicast+0x449/0x710
[ 2735.046062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.046062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.046062][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.046062][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.046062][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.046062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.046062][   T10] 
[ 2735.048230][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2735.048457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.048457][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2735.048457][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2735.048457][   T10]      fib6_nh_init+0xa22/0x1580
[ 2735.048457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.048457][   T10]      ip6_route_add+0x1c/0x140
[ 2735.048457][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2735.048457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.048457][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.048457][   T10]      netlink_unicast+0x449/0x710
[ 2735.048457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.048457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.048457][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.048457][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.048457][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.048457][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.048457][   T10] 
[ 2735.051199][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.051199][   T10]      dst_init+0x84/0x4a0
[ 2735.051199][   T10]      dst_alloc+0x97/0x150
[ 2735.051199][   T10]      ip6_dst_alloc+0x23/0x90
[ 2735.051199][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2735.051199][   T10]      ip6_pol_route+0x56f/0x840
[ 2735.051199][   T10]      fib6_rule_lookup+0x456/0x630
[ 2735.051199][   T10]      ip6_route_input+0x59c/0xa50
[ 2735.051199][   T10]      ipv6_rcv+0x397/0x810
[ 2735.051199][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2735.051199][   T10]      process_backlog+0x101/0x620
[ 2735.051199][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2735.051199][   T10]      net_rx_action+0x495/0xbe0
[ 2735.051199][   T10]      __do_softirq+0x1b5/0x7f6
[ 2735.051199][   T10] 
[ 2735.053916][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.053916][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.053916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.053916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.053916][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2735.053916][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2735.053916][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2735.053916][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2735.053916][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2735.053916][   T10]      addrconf_dad_begin+0x310/0x670
[ 2735.053916][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2735.053916][   T10]      process_one_work+0x84d/0x18a0
[ 2735.053916][   T10]      worker_thread+0x587/0xd30
[ 2735.053916][   T10]      kthread+0x28a/0x350
[ 2735.053916][   T10]      ret_from_fork+0x31/0x70
[ 2735.053916][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2735.053916][   T10] 
[ 2735.057008][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.057008][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.057008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.057008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.057008][   T10]      ip6_route_add+0x1c/0x140
[ 2735.057008][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2735.057008][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2735.057008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.057008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.057008][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.057008][   T10]      netlink_unicast+0x449/0x710
[ 2735.057008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.057008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.057008][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.057008][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.057008][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.057008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.057008][   T10] 
[ 2735.060287][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.060287][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.060287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.060287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.060287][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2735.060287][   T10]      ipv6_add_addr+0x411/0x2000
[ 2735.060287][   T10]      inet6_addr_add+0x30e/0xa40
[ 2735.060287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.060287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.060287][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.060287][   T10]      netlink_unicast+0x449/0x710
[ 2735.060287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.060287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.060287][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.060287][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.060287][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.060287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.060287][   T10] 
[ 2735.063587][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.063587][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.063587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.063587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.063587][   T10]      ip6_route_add+0x1c/0x140
[ 2735.063587][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2735.063587][   T10]      addrconf_add_dev+0xe2/0x170
[ 2735.063587][   T10]      inet6_addr_add+0x12f/0xa40
[ 2735.063587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.063587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.063587][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.063587][   T10]      netlink_unicast+0x449/0x710
[ 2735.063587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.063587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.063587][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.063587][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.063587][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.063587][   T10] 
[ 2735.067042][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.067042][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2735.067042][   T10]      ipv6_find_idev+0x102/0x170
[ 2735.067042][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.067042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.067042][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.067042][   T10]      netlink_unicast+0x449/0x710
[ 2735.067042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.067042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.067042][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.067042][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.067042][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.067042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.067042][   T10] 
[ 2735.069806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2735.069806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2735.069806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2735.069806][   T10]      ipv6_find_idev+0x102/0x170
[ 2735.069806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.069806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.069806][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.069806][   T10]      netlink_unicast+0x449/0x710
[ 2735.069806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.069806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.069806][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.069806][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.069806][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.069806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.069806][   T10] 
[ 2735.073007][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2735.073398][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2735.073398][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.073398][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.073398][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.073398][   T10]      ip6_route_add+0x1c/0x140
[ 2735.073398][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2735.073398][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2735.073398][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.073398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.073398][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.073398][   T10]      netlink_unicast+0x449/0x710
[ 2735.073398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.073398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.073398][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.073398][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.073398][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.073398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.073398][   T10] 
[ 2735.077049][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2735.077049][   T10]      netdev_get_by_index+0x5e/0x80
[ 2735.077049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2735.077049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2735.077049][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2735.077049][   T10]      ipv6_add_addr+0x411/0x2000
[ 2735.077049][   T10]      inet6_addr_add+0x30e/0xa40
[ 2735.077049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2735.077049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.077049][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.077049][   T10]      netlink_unicast+0x449/0x710
[ 2735.077049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.077049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.077049][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.077049][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.077049][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.077049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.077049][   T10] 
[ 2735.080674][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2735.080674][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2735.080674][   T10]      ipv6_find_idev+0x102/0x170
[ 2735.080674][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.080674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.080674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.080674][   T10]      netlink_unicast+0x449/0x710
[ 2735.080674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.080674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.080674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.080674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.080674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.080674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.080674][   T10] 
[ 2735.083454][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2735.083454][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2735.083454][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2735.083454][   T10]      ipv6_find_idev+0x102/0x170
[ 2735.083454][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2735.083454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2735.083454][   T10]      netlink_rcv_skb+0x130/0x360
[ 2735.083454][   T10]      netlink_unicast+0x449/0x710
[ 2735.083454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2735.083454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2735.083454][   T10]      ___sys_sendmsg+0xee/0x170
[ 2735.083454][   T10]      __sys_sendmsg+0xcd/0x170
[ 2735.083454][   T10]      do_syscall_64+0xc6/0x1e0
[ 2735.083454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2735.083454][   T10] 
[ 2745.336752][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2745.337315][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.337315][   T10]      dst_init+0x84/0x4a0
[ 2745.337315][   T10]      dst_alloc+0x97/0x150
[ 2745.337315][   T10]      ip6_dst_alloc+0x23/0x90
[ 2745.337315][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2745.337315][   T10]      ip6_pol_route+0x56f/0x840
[ 2745.337315][   T10]      fib6_rule_lookup+0x456/0x630
[ 2745.337315][   T10]      ip6_route_input+0x59c/0xa50
[ 2745.337315][   T10]      ipv6_rcv+0x397/0x810
[ 2745.337315][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2745.337315][   T10]      process_backlog+0x101/0x620
[ 2745.337315][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2745.337315][   T10]      net_rx_action+0x495/0xbe0
[ 2745.337315][   T10]      __do_softirq+0x1b5/0x7f6
[ 2745.337315][   T10] 
[ 2745.338956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.338956][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2745.338956][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2745.338956][   T10]      fib6_nh_init+0xa22/0x1580
[ 2745.338956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.338956][   T10]      ip6_route_add+0x1c/0x140
[ 2745.338956][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2745.338956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.338956][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.338956][   T10]      netlink_unicast+0x449/0x710
[ 2745.338956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.338956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.338956][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.338956][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.338956][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.338956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.338956][   T10] 
[ 2745.340798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.340798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.340798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.340798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.340798][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2745.340798][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2745.340798][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2745.340798][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2745.340798][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2745.340798][   T10]      addrconf_dad_begin+0x310/0x670
[ 2745.340798][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2745.340798][   T10]      process_one_work+0x84d/0x18a0
[ 2745.340798][   T10]      worker_thread+0x587/0xd30
[ 2745.340798][   T10]      kthread+0x28a/0x350
[ 2745.340798][   T10]      ret_from_fork+0x31/0x70
[ 2745.340798][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2745.340798][   T10] 
[ 2745.342737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.342737][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.342737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.342737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.342737][   T10]      ip6_route_add+0x1c/0x140
[ 2745.342737][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2745.342737][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2745.342737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.342737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.342737][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.342737][   T10]      netlink_unicast+0x449/0x710
[ 2745.342737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.342737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.342737][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.342737][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.342737][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.342737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.342737][   T10] 
[ 2745.344693][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.344693][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.344693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.344693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.344693][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2745.344693][   T10]      ipv6_add_addr+0x411/0x2000
[ 2745.344693][   T10]      inet6_addr_add+0x30e/0xa40
[ 2745.344693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.344693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.344693][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.344693][   T10]      netlink_unicast+0x449/0x710
[ 2745.344693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.344693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.344693][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.344693][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.344693][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.344693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.344693][   T10] 
[ 2745.346672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.346672][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.346672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.346672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.346672][   T10]      ip6_route_add+0x1c/0x140
[ 2745.346672][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2745.346672][   T10]      addrconf_add_dev+0xe2/0x170
[ 2745.346672][   T10]      inet6_addr_add+0x12f/0xa40
[ 2745.346672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.346672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.346672][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.346672][   T10]      netlink_unicast+0x449/0x710
[ 2745.346672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.346672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.346672][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.346672][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.346672][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.346672][   T10] 
[ 2745.348609][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.348609][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2745.348609][   T10]      ipv6_find_idev+0x102/0x170
[ 2745.348609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.348609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.348609][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.348609][   T10]      netlink_unicast+0x449/0x710
[ 2745.348609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.348609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.348609][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.348609][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.348609][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.348609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.348609][   T10] 
[ 2745.350142][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2745.350142][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2745.350142][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2745.350142][   T10]      ipv6_find_idev+0x102/0x170
[ 2745.350142][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.350142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.350142][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.350142][   T10]      netlink_unicast+0x449/0x710
[ 2745.350142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.350142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.350142][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.350142][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.350142][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.350142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.350142][   T10] 
[ 2745.351860][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2745.352103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.352103][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2745.352103][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2745.352103][   T10]      fib6_nh_init+0xa22/0x1580
[ 2745.352103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.352103][   T10]      ip6_route_add+0x1c/0x140
[ 2745.352103][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2745.352103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.352103][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.352103][   T10]      netlink_unicast+0x449/0x710
[ 2745.352103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.352103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.352103][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.352103][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.352103][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.352103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.352103][   T10] 
[ 2745.354033][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.354033][   T10]      dst_init+0x84/0x4a0
[ 2745.354033][   T10]      dst_alloc+0x97/0x150
[ 2745.354033][   T10]      ip6_dst_alloc+0x23/0x90
[ 2745.354033][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2745.354033][   T10]      ip6_pol_route+0x56f/0x840
[ 2745.354033][   T10]      fib6_rule_lookup+0x456/0x630
[ 2745.354033][   T10]      ip6_route_input+0x59c/0xa50
[ 2745.354033][   T10]      ipv6_rcv+0x397/0x810
[ 2745.354033][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2745.354033][   T10]      process_backlog+0x101/0x620
[ 2745.354033][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2745.354033][   T10]      net_rx_action+0x495/0xbe0
[ 2745.354033][   T10]      __do_softirq+0x1b5/0x7f6
[ 2745.354033][   T10] 
[ 2745.355698][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.355698][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.355698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.355698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.355698][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2745.355698][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2745.355698][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2745.355698][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2745.355698][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2745.355698][   T10]      addrconf_dad_begin+0x310/0x670
[ 2745.355698][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2745.355698][   T10]      process_one_work+0x84d/0x18a0
[ 2745.355698][   T10]      worker_thread+0x587/0xd30
[ 2745.355698][   T10]      kthread+0x28a/0x350
[ 2745.355698][   T10]      ret_from_fork+0x31/0x70
[ 2745.355698][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2745.355698][   T10] 
[ 2745.357640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.357640][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.357640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.357640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.357640][   T10]      ip6_route_add+0x1c/0x140
[ 2745.357640][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2745.357640][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2745.357640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.357640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.357640][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.357640][   T10]      netlink_unicast+0x449/0x710
[ 2745.357640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.357640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.357640][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.357640][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.357640][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.357640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.357640][   T10] 
[ 2745.359648][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.359648][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.359648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.359648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.359648][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2745.359648][   T10]      ipv6_add_addr+0x411/0x2000
[ 2745.359648][   T10]      inet6_addr_add+0x30e/0xa40
[ 2745.359648][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.359648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.359648][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.359648][   T10]      netlink_unicast+0x449/0x710
[ 2745.359648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.359648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.359648][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.359648][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.359648][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.359648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.359648][   T10] 
[ 2745.361663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.361663][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.361663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.361663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.361663][   T10]      ip6_route_add+0x1c/0x140
[ 2745.361663][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2745.361663][   T10]      addrconf_add_dev+0xe2/0x170
[ 2745.361663][   T10]      inet6_addr_add+0x12f/0xa40
[ 2745.361663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.361663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.361663][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.361663][   T10]      netlink_unicast+0x449/0x710
[ 2745.361663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.361663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.361663][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.361663][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.361663][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.361663][   T10] 
[ 2745.363829][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.363829][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2745.363829][   T10]      ipv6_find_idev+0x102/0x170
[ 2745.363829][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.363829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.363829][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.363829][   T10]      netlink_unicast+0x449/0x710
[ 2745.363829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.363829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.363829][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.363829][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.363829][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.363829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.363829][   T10] 
[ 2745.365616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2745.365616][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2745.365616][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2745.365616][   T10]      ipv6_find_idev+0x102/0x170
[ 2745.365616][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.365616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.365616][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.365616][   T10]      netlink_unicast+0x449/0x710
[ 2745.365616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.365616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.365616][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.365616][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.365616][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.365616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.365616][   T10] 
[ 2745.367489][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2745.367804][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2745.367804][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.367804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.367804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.367804][   T10]      ip6_route_add+0x1c/0x140
[ 2745.367804][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2745.367804][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2745.367804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.367804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.367804][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.367804][   T10]      netlink_unicast+0x449/0x710
[ 2745.367804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.367804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.367804][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.367804][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.367804][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.367804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.367804][   T10] 
[ 2745.370001][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2745.370001][   T10]      netdev_get_by_index+0x5e/0x80
[ 2745.370001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2745.370001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2745.370001][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2745.370001][   T10]      ipv6_add_addr+0x411/0x2000
[ 2745.370001][   T10]      inet6_addr_add+0x30e/0xa40
[ 2745.370001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2745.370001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.370001][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.370001][   T10]      netlink_unicast+0x449/0x710
[ 2745.370001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.370001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.370001][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.370001][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.370001][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.370001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.370001][   T10] 
[ 2745.372229][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2745.372229][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2745.372229][   T10]      ipv6_find_idev+0x102/0x170
[ 2745.372229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.372229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.372229][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.372229][   T10]      netlink_unicast+0x449/0x710
[ 2745.372229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.372229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.372229][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.372229][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.372229][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.372229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.372229][   T10] 
[ 2745.374036][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2745.374036][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2745.374036][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2745.374036][   T10]      ipv6_find_idev+0x102/0x170
[ 2745.374036][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2745.374036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2745.374036][   T10]      netlink_rcv_skb+0x130/0x360
[ 2745.374036][   T10]      netlink_unicast+0x449/0x710
[ 2745.374036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2745.374036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2745.374036][   T10]      ___sys_sendmsg+0xee/0x170
[ 2745.374036][   T10]      __sys_sendmsg+0xcd/0x170
[ 2745.374036][   T10]      do_syscall_64+0xc6/0x1e0
[ 2745.374036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2745.374036][   T10] 
[ 2755.624771][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2755.625356][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.625356][   T10]      dst_init+0x84/0x4a0
[ 2755.625356][   T10]      dst_alloc+0x97/0x150
[ 2755.625356][   T10]      ip6_dst_alloc+0x23/0x90
[ 2755.625356][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2755.625356][   T10]      ip6_pol_route+0x56f/0x840
[ 2755.625356][   T10]      fib6_rule_lookup+0x456/0x630
[ 2755.625356][   T10]      ip6_route_input+0x59c/0xa50
[ 2755.625356][   T10]      ipv6_rcv+0x397/0x810
[ 2755.625356][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2755.625356][   T10]      process_backlog+0x101/0x620
[ 2755.625356][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2755.625356][   T10]      net_rx_action+0x495/0xbe0
[ 2755.625356][   T10]      __do_softirq+0x1b5/0x7f6
[ 2755.625356][   T10] 
[ 2755.627011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.627011][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2755.627011][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2755.627011][   T10]      fib6_nh_init+0xa22/0x1580
[ 2755.627011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.627011][   T10]      ip6_route_add+0x1c/0x140
[ 2755.627011][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2755.627011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.627011][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.627011][   T10]      netlink_unicast+0x449/0x710
[ 2755.627011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.627011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.627011][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.627011][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.627011][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.627011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.627011][   T10] 
[ 2755.628862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.628862][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.628862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.628862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.628862][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2755.628862][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2755.628862][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2755.628862][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2755.628862][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2755.628862][   T10]      addrconf_dad_begin+0x310/0x670
[ 2755.628862][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2755.628862][   T10]      process_one_work+0x84d/0x18a0
[ 2755.628862][   T10]      worker_thread+0x587/0xd30
[ 2755.628862][   T10]      kthread+0x28a/0x350
[ 2755.628862][   T10]      ret_from_fork+0x31/0x70
[ 2755.628862][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2755.628862][   T10] 
[ 2755.630774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.630774][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.630774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.630774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.630774][   T10]      ip6_route_add+0x1c/0x140
[ 2755.630774][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2755.630774][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2755.630774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.630774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.630774][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.630774][   T10]      netlink_unicast+0x449/0x710
[ 2755.630774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.630774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.630774][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.630774][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.630774][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.630774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.630774][   T10] 
[ 2755.632793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.632793][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.632793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.632793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.632793][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2755.632793][   T10]      ipv6_add_addr+0x411/0x2000
[ 2755.632793][   T10]      inet6_addr_add+0x30e/0xa40
[ 2755.632793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.632793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.632793][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.632793][   T10]      netlink_unicast+0x449/0x710
[ 2755.632793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.632793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.632793][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.632793][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.632793][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.632793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.632793][   T10] 
[ 2755.634743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.634743][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.634743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.634743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.634743][   T10]      ip6_route_add+0x1c/0x140
[ 2755.634743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2755.634743][   T10]      addrconf_add_dev+0xe2/0x170
[ 2755.634743][   T10]      inet6_addr_add+0x12f/0xa40
[ 2755.634743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.634743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.634743][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.634743][   T10]      netlink_unicast+0x449/0x710
[ 2755.634743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.634743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.634743][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.634743][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.634743][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.634743][   T10] 
[ 2755.636685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.636685][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2755.636685][   T10]      ipv6_find_idev+0x102/0x170
[ 2755.636685][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2755.636685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.636685][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.636685][   T10]      netlink_unicast+0x449/0x710
[ 2755.636685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.636685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.636685][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.636685][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.636685][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.636685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.636685][   T10] 
[ 2755.638248][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2755.638248][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2755.638248][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2755.638248][   T10]      ipv6_find_idev+0x102/0x170
[ 2755.638248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2755.638248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.638248][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.638248][   T10]      netlink_unicast+0x449/0x710
[ 2755.638248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.638248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.638248][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.638248][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.638248][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.638248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.638248][   T10] 
[ 2755.639920][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2755.640151][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.640151][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2755.640151][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2755.640151][   T10]      fib6_nh_init+0xa22/0x1580
[ 2755.640151][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.640151][   T10]      ip6_route_add+0x1c/0x140
[ 2755.640151][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2755.640151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.640151][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.640151][   T10]      netlink_unicast+0x449/0x710
[ 2755.640151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.640151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.640151][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.640151][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.640151][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.640151][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.640151][   T10] 
[ 2755.642049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.642049][   T10]      dst_init+0x84/0x4a0
[ 2755.642049][   T10]      dst_alloc+0x97/0x150
[ 2755.642049][   T10]      ip6_dst_alloc+0x23/0x90
[ 2755.642049][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2755.642049][   T10]      ip6_pol_route+0x56f/0x840
[ 2755.642049][   T10]      fib6_rule_lookup+0x456/0x630
[ 2755.642049][   T10]      ip6_route_input+0x59c/0xa50
[ 2755.642049][   T10]      ipv6_rcv+0x397/0x810
[ 2755.642049][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2755.642049][   T10]      process_backlog+0x101/0x620
[ 2755.642049][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2755.642049][   T10]      net_rx_action+0x495/0xbe0
[ 2755.642049][   T10]      __do_softirq+0x1b5/0x7f6
[ 2755.642049][   T10] 
[ 2755.643689][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.643689][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.643689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.643689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.643689][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2755.643689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2755.643689][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2755.643689][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2755.643689][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2755.643689][   T10]      addrconf_dad_begin+0x310/0x670
[ 2755.643689][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2755.643689][   T10]      process_one_work+0x84d/0x18a0
[ 2755.643689][   T10]      worker_thread+0x587/0xd30
[ 2755.643689][   T10]      kthread+0x28a/0x350
[ 2755.643689][   T10]      ret_from_fork+0x31/0x70
[ 2755.643689][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2755.643689][   T10] 
[ 2755.645588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.645588][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.645588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.645588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.645588][   T10]      ip6_route_add+0x1c/0x140
[ 2755.645588][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2755.645588][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2755.645588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.645588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.645588][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.645588][   T10]      netlink_unicast+0x449/0x710
[ 2755.645588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.645588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.645588][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.645588][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.645588][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.645588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.645588][   T10] 
[ 2755.647594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.647594][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.647594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.647594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.647594][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2755.647594][   T10]      ipv6_add_addr+0x411/0x2000
[ 2755.647594][   T10]      inet6_addr_add+0x30e/0xa40
[ 2755.647594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.647594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.647594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.647594][   T10]      netlink_unicast+0x449/0x710
[ 2755.647594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.647594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.647594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.647594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.647594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.647594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.647594][   T10] 
[ 2755.649596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.649596][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.649596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.649596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.649596][   T10]      ip6_route_add+0x1c/0x140
[ 2755.649596][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2755.649596][   T10]      addrconf_add_dev+0xe2/0x170
[ 2755.649596][   T10]      inet6_addr_add+0x12f/0xa40
[ 2755.649596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.649596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.649596][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.649596][   T10]      netlink_unicast+0x449/0x710
[ 2755.649596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.649596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.649596][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.649596][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.649596][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.649596][   T10] 
[ 2755.651744][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.651744][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2755.651744][   T10]      ipv6_find_idev+0x102/0x170
[ 2755.651744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2755.651744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.651744][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.651744][   T10]      netlink_unicast+0x449/0x710
[ 2755.651744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.651744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.651744][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.651744][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.651744][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.651744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.651744][   T10] 
[ 2755.653466][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2755.653466][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2755.653466][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2755.653466][   T10]      ipv6_find_idev+0x102/0x170
[ 2755.653466][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2755.653466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.653466][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.653466][   T10]      netlink_unicast+0x449/0x710
[ 2755.653466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.653466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.653466][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.653466][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.653466][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.653466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.653466][   T10] 
[ 2755.655389][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2755.655730][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2755.655730][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.655730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.655730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.655730][   T10]      ip6_route_add+0x1c/0x140
[ 2755.655730][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2755.655730][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2755.655730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.655730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.655730][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.655730][   T10]      netlink_unicast+0x449/0x710
[ 2755.655730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.655730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.655730][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.655730][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.655730][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.655730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.655730][   T10] 
[ 2755.657916][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2755.657916][   T10]      netdev_get_by_index+0x5e/0x80
[ 2755.657916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2755.657916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2755.657916][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2755.657916][   T10]      ipv6_add_addr+0x411/0x2000
[ 2755.657916][   T10]      inet6_addr_add+0x30e/0xa40
[ 2755.657916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2755.657916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.657916][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.657916][   T10]      netlink_unicast+0x449/0x710
[ 2755.657916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.657916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.657916][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.657916][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.657916][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.657916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.657916][   T10] 
[ 2755.660673][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2755.660673][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2755.660673][   T10]      ipv6_find_idev+0x102/0x170
[ 2755.660673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2755.660673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.660673][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.660673][   T10]      netlink_unicast+0x449/0x710
[ 2755.660673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.660673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.660673][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.660673][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.660673][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.660673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.660673][   T10] 
[ 2755.662388][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2755.662388][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2755.662388][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2755.662388][   T10]      ipv6_find_idev+0x102/0x170
[ 2755.662388][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2755.662388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2755.662388][   T10]      netlink_rcv_skb+0x130/0x360
[ 2755.662388][   T10]      netlink_unicast+0x449/0x710
[ 2755.662388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2755.662388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2755.662388][   T10]      ___sys_sendmsg+0xee/0x170
[ 2755.662388][   T10]      __sys_sendmsg+0xcd/0x170
[ 2755.662388][   T10]      do_syscall_64+0xc6/0x1e0
[ 2755.662388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2755.662388][   T10] 
[ 2765.912772][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2765.913389][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.913389][   T10]      dst_init+0x84/0x4a0
[ 2765.913389][   T10]      dst_alloc+0x97/0x150
[ 2765.913389][   T10]      ip6_dst_alloc+0x23/0x90
[ 2765.913389][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2765.913389][   T10]      ip6_pol_route+0x56f/0x840
[ 2765.913389][   T10]      fib6_rule_lookup+0x456/0x630
[ 2765.913389][   T10]      ip6_route_input+0x59c/0xa50
[ 2765.913389][   T10]      ipv6_rcv+0x397/0x810
[ 2765.913389][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2765.913389][   T10]      process_backlog+0x101/0x620
[ 2765.913389][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2765.913389][   T10]      net_rx_action+0x495/0xbe0
[ 2765.913389][   T10]      __do_softirq+0x1b5/0x7f6
[ 2765.913389][   T10] 
[ 2765.915020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.915020][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2765.915020][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2765.915020][   T10]      fib6_nh_init+0xa22/0x1580
[ 2765.915020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.915020][   T10]      ip6_route_add+0x1c/0x140
[ 2765.915020][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2765.915020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.915020][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.915020][   T10]      netlink_unicast+0x449/0x710
[ 2765.915020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.915020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.915020][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.915020][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.915020][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.915020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.915020][   T10] 
[ 2765.916901][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.916901][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.916901][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.916901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.916901][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2765.916901][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2765.916901][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2765.916901][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2765.916901][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2765.916901][   T10]      addrconf_dad_begin+0x310/0x670
[ 2765.916901][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2765.916901][   T10]      process_one_work+0x84d/0x18a0
[ 2765.916901][   T10]      worker_thread+0x587/0xd30
[ 2765.916901][   T10]      kthread+0x28a/0x350
[ 2765.916901][   T10]      ret_from_fork+0x31/0x70
[ 2765.916901][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2765.916901][   T10] 
[ 2765.918852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.918852][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.918852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.918852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.918852][   T10]      ip6_route_add+0x1c/0x140
[ 2765.918852][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2765.918852][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2765.918852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.918852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.918852][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.918852][   T10]      netlink_unicast+0x449/0x710
[ 2765.918852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.918852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.918852][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.918852][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.918852][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.918852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.918852][   T10] 
[ 2765.920857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.920857][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.920857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.920857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.920857][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2765.920857][   T10]      ipv6_add_addr+0x411/0x2000
[ 2765.920857][   T10]      inet6_addr_add+0x30e/0xa40
[ 2765.920857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.920857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.920857][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.920857][   T10]      netlink_unicast+0x449/0x710
[ 2765.920857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.920857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.920857][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.920857][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.920857][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.920857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.920857][   T10] 
[ 2765.923011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.923011][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.923011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.923011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.923011][   T10]      ip6_route_add+0x1c/0x140
[ 2765.923011][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2765.923011][   T10]      addrconf_add_dev+0xe2/0x170
[ 2765.923011][   T10]      inet6_addr_add+0x12f/0xa40
[ 2765.923011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.923011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.923011][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.923011][   T10]      netlink_unicast+0x449/0x710
[ 2765.923011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.923011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.923011][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.923011][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.923011][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.923011][   T10] 
[ 2765.925095][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.925095][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2765.925095][   T10]      ipv6_find_idev+0x102/0x170
[ 2765.925095][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2765.925095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.925095][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.925095][   T10]      netlink_unicast+0x449/0x710
[ 2765.925095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.925095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.925095][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.925095][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.925095][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.925095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.925095][   T10] 
[ 2765.926719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2765.926719][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2765.926719][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2765.926719][   T10]      ipv6_find_idev+0x102/0x170
[ 2765.926719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2765.926719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.926719][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.926719][   T10]      netlink_unicast+0x449/0x710
[ 2765.926719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.926719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.926719][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.926719][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.926719][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.926719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.926719][   T10] 
[ 2765.928494][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2765.928753][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.928753][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2765.928753][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2765.928753][   T10]      fib6_nh_init+0xa22/0x1580
[ 2765.928753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.928753][   T10]      ip6_route_add+0x1c/0x140
[ 2765.928753][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2765.928753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.928753][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.928753][   T10]      netlink_unicast+0x449/0x710
[ 2765.928753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.928753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.928753][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.928753][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.928753][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.928753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.928753][   T10] 
[ 2765.930738][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.930738][   T10]      dst_init+0x84/0x4a0
[ 2765.930738][   T10]      dst_alloc+0x97/0x150
[ 2765.930738][   T10]      ip6_dst_alloc+0x23/0x90
[ 2765.930738][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2765.930738][   T10]      ip6_pol_route+0x56f/0x840
[ 2765.930738][   T10]      fib6_rule_lookup+0x456/0x630
[ 2765.930738][   T10]      ip6_route_input+0x59c/0xa50
[ 2765.930738][   T10]      ipv6_rcv+0x397/0x810
[ 2765.930738][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2765.930738][   T10]      process_backlog+0x101/0x620
[ 2765.930738][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2765.930738][   T10]      net_rx_action+0x495/0xbe0
[ 2765.930738][   T10]      __do_softirq+0x1b5/0x7f6
[ 2765.930738][   T10] 
[ 2765.932446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.932446][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.932446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.932446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.932446][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2765.932446][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2765.932446][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2765.932446][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2765.932446][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2765.932446][   T10]      addrconf_dad_begin+0x310/0x670
[ 2765.932446][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2765.932446][   T10]      process_one_work+0x84d/0x18a0
[ 2765.932446][   T10]      worker_thread+0x587/0xd30
[ 2765.932446][   T10]      kthread+0x28a/0x350
[ 2765.932446][   T10]      ret_from_fork+0x31/0x70
[ 2765.932446][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2765.932446][   T10] 
[ 2765.934461][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.934461][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.934461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.934461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.934461][   T10]      ip6_route_add+0x1c/0x140
[ 2765.934461][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2765.934461][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2765.934461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.934461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.934461][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.934461][   T10]      netlink_unicast+0x449/0x710
[ 2765.934461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.934461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.934461][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.934461][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.934461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.934461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.934461][   T10] 
[ 2765.936573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.936573][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.936573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.936573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.936573][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2765.936573][   T10]      ipv6_add_addr+0x411/0x2000
[ 2765.936573][   T10]      inet6_addr_add+0x30e/0xa40
[ 2765.936573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.936573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.936573][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.936573][   T10]      netlink_unicast+0x449/0x710
[ 2765.936573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.936573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.936573][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.936573][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.936573][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.936573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.936573][   T10] 
[ 2765.938674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.938674][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.938674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.938674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.938674][   T10]      ip6_route_add+0x1c/0x140
[ 2765.938674][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2765.938674][   T10]      addrconf_add_dev+0xe2/0x170
[ 2765.938674][   T10]      inet6_addr_add+0x12f/0xa40
[ 2765.938674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.938674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.938674][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.938674][   T10]      netlink_unicast+0x449/0x710
[ 2765.938674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.938674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.938674][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.938674][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.938674][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.938674][   T10] 
[ 2765.940917][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.940917][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2765.940917][   T10]      ipv6_find_idev+0x102/0x170
[ 2765.940917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2765.940917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.940917][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.940917][   T10]      netlink_unicast+0x449/0x710
[ 2765.940917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.940917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.940917][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.940917][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.940917][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.940917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.940917][   T10] 
[ 2765.942791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2765.942791][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2765.942791][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2765.942791][   T10]      ipv6_find_idev+0x102/0x170
[ 2765.942791][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2765.942791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.942791][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.942791][   T10]      netlink_unicast+0x449/0x710
[ 2765.942791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.942791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.942791][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.942791][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.942791][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.942791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.942791][   T10] 
[ 2765.944749][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2765.945054][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2765.945054][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.945054][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.945054][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.945054][   T10]      ip6_route_add+0x1c/0x140
[ 2765.945054][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2765.945054][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2765.945054][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.945054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.945054][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.945054][   T10]      netlink_unicast+0x449/0x710
[ 2765.945054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.945054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.945054][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.945054][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.945054][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.945054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.945054][   T10] 
[ 2765.947355][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2765.947355][   T10]      netdev_get_by_index+0x5e/0x80
[ 2765.947355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2765.947355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2765.947355][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2765.947355][   T10]      ipv6_add_addr+0x411/0x2000
[ 2765.947355][   T10]      inet6_addr_add+0x30e/0xa40
[ 2765.947355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2765.947355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.947355][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.947355][   T10]      netlink_unicast+0x449/0x710
[ 2765.947355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.947355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.947355][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.947355][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.947355][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.947355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.947355][   T10] 
[ 2765.949720][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2765.949720][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2765.949720][   T10]      ipv6_find_idev+0x102/0x170
[ 2765.949720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2765.949720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.949720][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.949720][   T10]      netlink_unicast+0x449/0x710
[ 2765.949720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.949720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.949720][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.949720][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.949720][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.949720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.949720][   T10] 
[ 2765.951599][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2765.951599][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2765.951599][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2765.951599][   T10]      ipv6_find_idev+0x102/0x170
[ 2765.951599][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2765.951599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2765.951599][   T10]      netlink_rcv_skb+0x130/0x360
[ 2765.951599][   T10]      netlink_unicast+0x449/0x710
[ 2765.951599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2765.951599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2765.951599][   T10]      ___sys_sendmsg+0xee/0x170
[ 2765.951599][   T10]      __sys_sendmsg+0xcd/0x170
[ 2765.951599][   T10]      do_syscall_64+0xc6/0x1e0
[ 2765.951599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2765.951599][   T10] 
[ 2776.208775][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2776.209244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.209244][   T10]      dst_init+0x84/0x4a0
[ 2776.209244][   T10]      dst_alloc+0x97/0x150
[ 2776.209244][   T10]      ip6_dst_alloc+0x23/0x90
[ 2776.209244][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2776.209244][   T10]      ip6_pol_route+0x56f/0x840
[ 2776.209244][   T10]      fib6_rule_lookup+0x456/0x630
[ 2776.209244][   T10]      ip6_route_input+0x59c/0xa50
[ 2776.209244][   T10]      ipv6_rcv+0x397/0x810
[ 2776.209244][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2776.209244][   T10]      process_backlog+0x101/0x620
[ 2776.209244][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2776.209244][   T10]      net_rx_action+0x495/0xbe0
[ 2776.209244][   T10]      __do_softirq+0x1b5/0x7f6
[ 2776.209244][   T10] 
[ 2776.210961][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.210961][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2776.210961][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2776.210961][   T10]      fib6_nh_init+0xa22/0x1580
[ 2776.210961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.210961][   T10]      ip6_route_add+0x1c/0x140
[ 2776.210961][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2776.210961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.210961][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.210961][   T10]      netlink_unicast+0x449/0x710
[ 2776.210961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.210961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.210961][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.210961][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.210961][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.210961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.210961][   T10] 
[ 2776.212950][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.212950][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.212950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.212950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.212950][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2776.212950][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2776.212950][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2776.212950][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2776.212950][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2776.212950][   T10]      addrconf_dad_begin+0x310/0x670
[ 2776.212950][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2776.212950][   T10]      process_one_work+0x84d/0x18a0
[ 2776.212950][   T10]      worker_thread+0x587/0xd30
[ 2776.212950][   T10]      kthread+0x28a/0x350
[ 2776.212950][   T10]      ret_from_fork+0x31/0x70
[ 2776.212950][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2776.212950][   T10] 
[ 2776.214914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.214914][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.214914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.214914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.214914][   T10]      ip6_route_add+0x1c/0x140
[ 2776.214914][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2776.214914][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2776.214914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.214914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.214914][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.214914][   T10]      netlink_unicast+0x449/0x710
[ 2776.214914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.214914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.214914][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.214914][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.214914][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.214914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.214914][   T10] 
[ 2776.217020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.217020][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.217020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.217020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.217020][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2776.217020][   T10]      ipv6_add_addr+0x411/0x2000
[ 2776.217020][   T10]      inet6_addr_add+0x30e/0xa40
[ 2776.217020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.217020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.217020][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.217020][   T10]      netlink_unicast+0x449/0x710
[ 2776.217020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.217020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.217020][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.217020][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.217020][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.217020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.217020][   T10] 
[ 2776.219117][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.219117][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.219117][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.219117][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.219117][   T10]      ip6_route_add+0x1c/0x140
[ 2776.219117][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2776.219117][   T10]      addrconf_add_dev+0xe2/0x170
[ 2776.219117][   T10]      inet6_addr_add+0x12f/0xa40
[ 2776.219117][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.219117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.219117][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.219117][   T10]      netlink_unicast+0x449/0x710
[ 2776.219117][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.219117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.219117][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.219117][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.219117][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.219117][   T10] 
[ 2776.221199][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.221199][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2776.221199][   T10]      ipv6_find_idev+0x102/0x170
[ 2776.221199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.221199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.221199][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.221199][   T10]      netlink_unicast+0x449/0x710
[ 2776.221199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.221199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.221199][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.221199][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.221199][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.221199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.221199][   T10] 
[ 2776.222834][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2776.222834][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2776.222834][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2776.222834][   T10]      ipv6_find_idev+0x102/0x170
[ 2776.222834][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.222834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.222834][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.222834][   T10]      netlink_unicast+0x449/0x710
[ 2776.222834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.222834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.222834][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.222834][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.222834][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.222834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.222834][   T10] 
[ 2776.224643][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2776.224894][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.224894][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2776.224894][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2776.224894][   T10]      fib6_nh_init+0xa22/0x1580
[ 2776.224894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.224894][   T10]      ip6_route_add+0x1c/0x140
[ 2776.224894][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2776.224894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.224894][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.224894][   T10]      netlink_unicast+0x449/0x710
[ 2776.224894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.224894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.224894][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.224894][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.224894][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.224894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.224894][   T10] 
[ 2776.226866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.226866][   T10]      dst_init+0x84/0x4a0
[ 2776.226866][   T10]      dst_alloc+0x97/0x150
[ 2776.226866][   T10]      ip6_dst_alloc+0x23/0x90
[ 2776.226866][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2776.226866][   T10]      ip6_pol_route+0x56f/0x840
[ 2776.226866][   T10]      fib6_rule_lookup+0x456/0x630
[ 2776.226866][   T10]      ip6_route_input+0x59c/0xa50
[ 2776.226866][   T10]      ipv6_rcv+0x397/0x810
[ 2776.226866][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2776.226866][   T10]      process_backlog+0x101/0x620
[ 2776.226866][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2776.226866][   T10]      net_rx_action+0x495/0xbe0
[ 2776.226866][   T10]      __do_softirq+0x1b5/0x7f6
[ 2776.226866][   T10] 
[ 2776.228582][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.228582][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.228582][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.228582][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.228582][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2776.228582][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2776.228582][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2776.228582][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2776.228582][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2776.228582][   T10]      addrconf_dad_begin+0x310/0x670
[ 2776.228582][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2776.228582][   T10]      process_one_work+0x84d/0x18a0
[ 2776.228582][   T10]      worker_thread+0x587/0xd30
[ 2776.228582][   T10]      kthread+0x28a/0x350
[ 2776.228582][   T10]      ret_from_fork+0x31/0x70
[ 2776.228582][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2776.228582][   T10] 
[ 2776.230608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.230608][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.230608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.230608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.230608][   T10]      ip6_route_add+0x1c/0x140
[ 2776.230608][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2776.230608][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2776.230608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.230608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.230608][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.230608][   T10]      netlink_unicast+0x449/0x710
[ 2776.230608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.230608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.230608][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.230608][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.230608][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.230608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.230608][   T10] 
[ 2776.232722][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.232722][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.232722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.232722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.232722][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2776.232722][   T10]      ipv6_add_addr+0x411/0x2000
[ 2776.232722][   T10]      inet6_addr_add+0x30e/0xa40
[ 2776.232722][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.232722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.232722][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.232722][   T10]      netlink_unicast+0x449/0x710
[ 2776.232722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.232722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.232722][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.232722][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.232722][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.232722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.232722][   T10] 
[ 2776.234816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.234816][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.234816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.234816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.234816][   T10]      ip6_route_add+0x1c/0x140
[ 2776.234816][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2776.234816][   T10]      addrconf_add_dev+0xe2/0x170
[ 2776.234816][   T10]      inet6_addr_add+0x12f/0xa40
[ 2776.234816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.234816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.234816][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.234816][   T10]      netlink_unicast+0x449/0x710
[ 2776.234816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.234816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.234816][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.234816][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.234816][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.234816][   T10] 
[ 2776.237077][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.237077][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2776.237077][   T10]      ipv6_find_idev+0x102/0x170
[ 2776.237077][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.237077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.237077][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.237077][   T10]      netlink_unicast+0x449/0x710
[ 2776.237077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.237077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.237077][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.237077][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.237077][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.237077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.237077][   T10] 
[ 2776.238868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2776.238868][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2776.238868][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2776.238868][   T10]      ipv6_find_idev+0x102/0x170
[ 2776.238868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.238868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.238868][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.238868][   T10]      netlink_unicast+0x449/0x710
[ 2776.238868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.238868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.238868][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.238868][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.238868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.238868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.238868][   T10] 
[ 2776.240900][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2776.241212][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2776.241212][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.241212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.241212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.241212][   T10]      ip6_route_add+0x1c/0x140
[ 2776.241212][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2776.241212][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2776.241212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.241212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.241212][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.241212][   T10]      netlink_unicast+0x449/0x710
[ 2776.241212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.241212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.241212][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.241212][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.241212][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.241212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.241212][   T10] 
[ 2776.243494][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2776.243494][   T10]      netdev_get_by_index+0x5e/0x80
[ 2776.243494][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2776.243494][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2776.243494][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2776.243494][   T10]      ipv6_add_addr+0x411/0x2000
[ 2776.243494][   T10]      inet6_addr_add+0x30e/0xa40
[ 2776.243494][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2776.243494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.243494][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.243494][   T10]      netlink_unicast+0x449/0x710
[ 2776.243494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.243494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.243494][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.243494][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.243494][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.243494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.243494][   T10] 
[ 2776.245854][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2776.245854][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2776.245854][   T10]      ipv6_find_idev+0x102/0x170
[ 2776.245854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.245854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.245854][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.245854][   T10]      netlink_unicast+0x449/0x710
[ 2776.245854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.245854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.245854][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.245854][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.245854][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.245854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.245854][   T10] 
[ 2776.247647][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2776.247647][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2776.247647][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2776.247647][   T10]      ipv6_find_idev+0x102/0x170
[ 2776.247647][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2776.247647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2776.247647][   T10]      netlink_rcv_skb+0x130/0x360
[ 2776.247647][   T10]      netlink_unicast+0x449/0x710
[ 2776.247647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2776.247647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2776.247647][   T10]      ___sys_sendmsg+0xee/0x170
[ 2776.247647][   T10]      __sys_sendmsg+0xcd/0x170
[ 2776.247647][   T10]      do_syscall_64+0xc6/0x1e0
[ 2776.247647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2776.247647][   T10] 
[ 2786.504754][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2786.505424][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.505424][   T10]      dst_init+0x84/0x4a0
[ 2786.505424][   T10]      dst_alloc+0x97/0x150
[ 2786.505424][   T10]      ip6_dst_alloc+0x23/0x90
[ 2786.505424][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2786.505424][   T10]      ip6_pol_route+0x56f/0x840
[ 2786.505424][   T10]      fib6_rule_lookup+0x456/0x630
[ 2786.505424][   T10]      ip6_route_input+0x59c/0xa50
[ 2786.505424][   T10]      ipv6_rcv+0x397/0x810
[ 2786.505424][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2786.505424][   T10]      process_backlog+0x101/0x620
[ 2786.505424][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2786.505424][   T10]      net_rx_action+0x495/0xbe0
[ 2786.505424][   T10]      __do_softirq+0x1b5/0x7f6
[ 2786.505424][   T10] 
[ 2786.507150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.507150][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2786.507150][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2786.507150][   T10]      fib6_nh_init+0xa22/0x1580
[ 2786.507150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.507150][   T10]      ip6_route_add+0x1c/0x140
[ 2786.507150][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2786.507150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.507150][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.507150][   T10]      netlink_unicast+0x449/0x710
[ 2786.507150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.507150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.507150][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.507150][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.507150][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.507150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.507150][   T10] 
[ 2786.509107][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.509107][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.509107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.509107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.509107][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2786.509107][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2786.509107][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2786.509107][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2786.509107][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2786.509107][   T10]      addrconf_dad_begin+0x310/0x670
[ 2786.509107][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2786.509107][   T10]      process_one_work+0x84d/0x18a0
[ 2786.509107][   T10]      worker_thread+0x587/0xd30
[ 2786.509107][   T10]      kthread+0x28a/0x350
[ 2786.509107][   T10]      ret_from_fork+0x31/0x70
[ 2786.509107][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2786.509107][   T10] 
[ 2786.511122][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.511122][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.511122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.511122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.511122][   T10]      ip6_route_add+0x1c/0x140
[ 2786.511122][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2786.511122][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2786.511122][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.511122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.511122][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.511122][   T10]      netlink_unicast+0x449/0x710
[ 2786.511122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.511122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.511122][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.511122][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.511122][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.511122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.511122][   T10] 
[ 2786.513254][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.513254][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.513254][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.513254][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.513254][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2786.513254][   T10]      ipv6_add_addr+0x411/0x2000
[ 2786.513254][   T10]      inet6_addr_add+0x30e/0xa40
[ 2786.513254][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.513254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.513254][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.513254][   T10]      netlink_unicast+0x449/0x710
[ 2786.513254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.513254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.513254][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.513254][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.513254][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.513254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.513254][   T10] 
[ 2786.515378][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.515378][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.515378][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.515378][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.515378][   T10]      ip6_route_add+0x1c/0x140
[ 2786.515378][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2786.515378][   T10]      addrconf_add_dev+0xe2/0x170
[ 2786.515378][   T10]      inet6_addr_add+0x12f/0xa40
[ 2786.515378][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.515378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.515378][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.515378][   T10]      netlink_unicast+0x449/0x710
[ 2786.515378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.515378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.515378][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.515378][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.515378][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.515378][   T10] 
[ 2786.517467][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.517467][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2786.517467][   T10]      ipv6_find_idev+0x102/0x170
[ 2786.517467][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.517467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.517467][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.517467][   T10]      netlink_unicast+0x449/0x710
[ 2786.517467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.517467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.517467][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.517467][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.517467][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.517467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.517467][   T10] 
[ 2786.519084][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2786.519084][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2786.519084][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2786.519084][   T10]      ipv6_find_idev+0x102/0x170
[ 2786.519084][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.519084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.519084][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.519084][   T10]      netlink_unicast+0x449/0x710
[ 2786.519084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.519084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.519084][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.519084][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.519084][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.519084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.519084][   T10] 
[ 2786.520877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2786.521127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.521127][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2786.521127][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2786.521127][   T10]      fib6_nh_init+0xa22/0x1580
[ 2786.521127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.521127][   T10]      ip6_route_add+0x1c/0x140
[ 2786.521127][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2786.521127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.521127][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.521127][   T10]      netlink_unicast+0x449/0x710
[ 2786.521127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.521127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.521127][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.521127][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.521127][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.521127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.521127][   T10] 
[ 2786.523121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.523121][   T10]      dst_init+0x84/0x4a0
[ 2786.523121][   T10]      dst_alloc+0x97/0x150
[ 2786.523121][   T10]      ip6_dst_alloc+0x23/0x90
[ 2786.523121][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2786.523121][   T10]      ip6_pol_route+0x56f/0x840
[ 2786.523121][   T10]      fib6_rule_lookup+0x456/0x630
[ 2786.523121][   T10]      ip6_route_input+0x59c/0xa50
[ 2786.523121][   T10]      ipv6_rcv+0x397/0x810
[ 2786.523121][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2786.523121][   T10]      process_backlog+0x101/0x620
[ 2786.523121][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2786.523121][   T10]      net_rx_action+0x495/0xbe0
[ 2786.523121][   T10]      __do_softirq+0x1b5/0x7f6
[ 2786.523121][   T10] 
[ 2786.524836][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.524836][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.524836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.524836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.524836][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2786.524836][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2786.524836][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2786.524836][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2786.524836][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2786.524836][   T10]      addrconf_dad_begin+0x310/0x670
[ 2786.524836][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2786.524836][   T10]      process_one_work+0x84d/0x18a0
[ 2786.524836][   T10]      worker_thread+0x587/0xd30
[ 2786.524836][   T10]      kthread+0x28a/0x350
[ 2786.524836][   T10]      ret_from_fork+0x31/0x70
[ 2786.524836][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2786.524836][   T10] 
[ 2786.526850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.526850][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.526850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.526850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.526850][   T10]      ip6_route_add+0x1c/0x140
[ 2786.526850][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2786.526850][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2786.526850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.526850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.526850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.526850][   T10]      netlink_unicast+0x449/0x710
[ 2786.526850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.526850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.526850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.526850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.526850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.526850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.526850][   T10] 
[ 2786.528944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.528944][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.528944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.528944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.528944][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2786.528944][   T10]      ipv6_add_addr+0x411/0x2000
[ 2786.528944][   T10]      inet6_addr_add+0x30e/0xa40
[ 2786.528944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.528944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.528944][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.528944][   T10]      netlink_unicast+0x449/0x710
[ 2786.528944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.528944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.528944][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.528944][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.528944][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.528944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.528944][   T10] 
[ 2786.531037][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.531037][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.531037][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.531037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.531037][   T10]      ip6_route_add+0x1c/0x140
[ 2786.531037][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2786.531037][   T10]      addrconf_add_dev+0xe2/0x170
[ 2786.531037][   T10]      inet6_addr_add+0x12f/0xa40
[ 2786.531037][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.531037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.531037][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.531037][   T10]      netlink_unicast+0x449/0x710
[ 2786.531037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.531037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.531037][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.531037][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.531037][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.531037][   T10] 
[ 2786.533171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.533171][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2786.533171][   T10]      ipv6_find_idev+0x102/0x170
[ 2786.533171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.533171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.533171][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.533171][   T10]      netlink_unicast+0x449/0x710
[ 2786.533171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.533171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.533171][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.533171][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.533171][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.533171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.533171][   T10] 
[ 2786.534849][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2786.534849][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2786.534849][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2786.534849][   T10]      ipv6_find_idev+0x102/0x170
[ 2786.534849][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.534849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.534849][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.534849][   T10]      netlink_unicast+0x449/0x710
[ 2786.534849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.534849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.534849][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.534849][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.534849][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.534849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.534849][   T10] 
[ 2786.536687][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2786.537002][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2786.537002][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.537002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.537002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.537002][   T10]      ip6_route_add+0x1c/0x140
[ 2786.537002][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2786.537002][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2786.537002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.537002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.537002][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.537002][   T10]      netlink_unicast+0x449/0x710
[ 2786.537002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.537002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.537002][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.537002][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.537002][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.537002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.537002][   T10] 
[ 2786.539158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2786.539158][   T10]      netdev_get_by_index+0x5e/0x80
[ 2786.539158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2786.539158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2786.539158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2786.539158][   T10]      ipv6_add_addr+0x411/0x2000
[ 2786.539158][   T10]      inet6_addr_add+0x30e/0xa40
[ 2786.539158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2786.539158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.539158][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.539158][   T10]      netlink_unicast+0x449/0x710
[ 2786.539158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.539158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.539158][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.539158][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.539158][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.539158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.539158][   T10] 
[ 2786.541324][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2786.541324][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2786.541324][   T10]      ipv6_find_idev+0x102/0x170
[ 2786.541324][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.541324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.541324][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.541324][   T10]      netlink_unicast+0x449/0x710
[ 2786.541324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.541324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.541324][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.541324][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.541324][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.541324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.541324][   T10] 
[ 2786.543004][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2786.543004][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2786.543004][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2786.543004][   T10]      ipv6_find_idev+0x102/0x170
[ 2786.543004][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2786.543004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2786.543004][   T10]      netlink_rcv_skb+0x130/0x360
[ 2786.543004][   T10]      netlink_unicast+0x449/0x710
[ 2786.543004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2786.543004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2786.543004][   T10]      ___sys_sendmsg+0xee/0x170
[ 2786.543004][   T10]      __sys_sendmsg+0xcd/0x170
[ 2786.543004][   T10]      do_syscall_64+0xc6/0x1e0
[ 2786.543004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2786.543004][   T10] 
[ 2796.800775][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2796.801333][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.801333][   T10]      dst_init+0x84/0x4a0
[ 2796.801333][   T10]      dst_alloc+0x97/0x150
[ 2796.801333][   T10]      ip6_dst_alloc+0x23/0x90
[ 2796.801333][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2796.801333][   T10]      ip6_pol_route+0x56f/0x840
[ 2796.801333][   T10]      fib6_rule_lookup+0x456/0x630
[ 2796.801333][   T10]      ip6_route_input+0x59c/0xa50
[ 2796.801333][   T10]      ipv6_rcv+0x397/0x810
[ 2796.801333][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2796.801333][   T10]      process_backlog+0x101/0x620
[ 2796.801333][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2796.801333][   T10]      net_rx_action+0x495/0xbe0
[ 2796.801333][   T10]      __do_softirq+0x1b5/0x7f6
[ 2796.801333][   T10] 
[ 2796.803034][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.803034][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2796.803034][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2796.803034][   T10]      fib6_nh_init+0xa22/0x1580
[ 2796.803034][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.803034][   T10]      ip6_route_add+0x1c/0x140
[ 2796.803034][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2796.803034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.803034][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.803034][   T10]      netlink_unicast+0x449/0x710
[ 2796.803034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.803034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.803034][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.803034][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.803034][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.803034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.803034][   T10] 
[ 2796.804943][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.804943][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.804943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.804943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.804943][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2796.804943][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2796.804943][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2796.804943][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2796.804943][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2796.804943][   T10]      addrconf_dad_begin+0x310/0x670
[ 2796.804943][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2796.804943][   T10]      process_one_work+0x84d/0x18a0
[ 2796.804943][   T10]      worker_thread+0x587/0xd30
[ 2796.804943][   T10]      kthread+0x28a/0x350
[ 2796.804943][   T10]      ret_from_fork+0x31/0x70
[ 2796.804943][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2796.804943][   T10] 
[ 2796.806880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.806880][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.806880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.806880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.806880][   T10]      ip6_route_add+0x1c/0x140
[ 2796.806880][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2796.806880][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2796.806880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.806880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.806880][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.806880][   T10]      netlink_unicast+0x449/0x710
[ 2796.806880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.806880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.806880][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.806880][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.806880][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.806880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.806880][   T10] 
[ 2796.808994][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.808994][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.808994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.808994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.808994][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2796.808994][   T10]      ipv6_add_addr+0x411/0x2000
[ 2796.808994][   T10]      inet6_addr_add+0x30e/0xa40
[ 2796.808994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.808994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.808994][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.808994][   T10]      netlink_unicast+0x449/0x710
[ 2796.808994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.808994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.808994][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.808994][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.808994][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.808994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.808994][   T10] 
[ 2796.811154][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.811154][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.811154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.811154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.811154][   T10]      ip6_route_add+0x1c/0x140
[ 2796.811154][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2796.811154][   T10]      addrconf_add_dev+0xe2/0x170
[ 2796.811154][   T10]      inet6_addr_add+0x12f/0xa40
[ 2796.811154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.811154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.811154][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.811154][   T10]      netlink_unicast+0x449/0x710
[ 2796.811154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.811154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.811154][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.811154][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.811154][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.811154][   T10] 
[ 2796.813250][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.813250][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2796.813250][   T10]      ipv6_find_idev+0x102/0x170
[ 2796.813250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2796.813250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.813250][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.813250][   T10]      netlink_unicast+0x449/0x710
[ 2796.813250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.813250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.813250][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.813250][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.813250][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.813250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.813250][   T10] 
[ 2796.814897][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2796.814897][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2796.814897][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2796.814897][   T10]      ipv6_find_idev+0x102/0x170
[ 2796.814897][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2796.814897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.814897][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.814897][   T10]      netlink_unicast+0x449/0x710
[ 2796.814897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.814897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.814897][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.814897][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.814897][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.814897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.814897][   T10] 
[ 2796.816724][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2796.817004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.817004][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2796.817004][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2796.817004][   T10]      fib6_nh_init+0xa22/0x1580
[ 2796.817004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.817004][   T10]      ip6_route_add+0x1c/0x140
[ 2796.817004][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2796.817004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.817004][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.817004][   T10]      netlink_unicast+0x449/0x710
[ 2796.817004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.817004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.817004][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.817004][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.817004][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.817004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.817004][   T10] 
[ 2796.819000][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.819000][   T10]      dst_init+0x84/0x4a0
[ 2796.819000][   T10]      dst_alloc+0x97/0x150
[ 2796.819000][   T10]      ip6_dst_alloc+0x23/0x90
[ 2796.819000][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2796.819000][   T10]      ip6_pol_route+0x56f/0x840
[ 2796.819000][   T10]      fib6_rule_lookup+0x456/0x630
[ 2796.819000][   T10]      ip6_route_input+0x59c/0xa50
[ 2796.819000][   T10]      ipv6_rcv+0x397/0x810
[ 2796.819000][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2796.819000][   T10]      process_backlog+0x101/0x620
[ 2796.819000][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2796.819000][   T10]      net_rx_action+0x495/0xbe0
[ 2796.819000][   T10]      __do_softirq+0x1b5/0x7f6
[ 2796.819000][   T10] 
[ 2796.820737][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.820737][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.820737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.820737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.820737][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2796.820737][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2796.820737][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2796.820737][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2796.820737][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2796.820737][   T10]      addrconf_dad_begin+0x310/0x670
[ 2796.820737][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2796.820737][   T10]      process_one_work+0x84d/0x18a0
[ 2796.820737][   T10]      worker_thread+0x587/0xd30
[ 2796.820737][   T10]      kthread+0x28a/0x350
[ 2796.820737][   T10]      ret_from_fork+0x31/0x70
[ 2796.820737][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2796.820737][   T10] 
[ 2796.822766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.822766][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.822766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.822766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.822766][   T10]      ip6_route_add+0x1c/0x140
[ 2796.822766][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2796.822766][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2796.822766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.822766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.822766][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.822766][   T10]      netlink_unicast+0x449/0x710
[ 2796.822766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.822766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.822766][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.822766][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.822766][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.822766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.822766][   T10] 
[ 2796.824904][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.824904][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.824904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.824904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.824904][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2796.824904][   T10]      ipv6_add_addr+0x411/0x2000
[ 2796.824904][   T10]      inet6_addr_add+0x30e/0xa40
[ 2796.824904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.824904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.824904][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.824904][   T10]      netlink_unicast+0x449/0x710
[ 2796.824904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.824904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.824904][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.824904][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.824904][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.824904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.824904][   T10] 
[ 2796.827020][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.827020][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.827020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.827020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.827020][   T10]      ip6_route_add+0x1c/0x140
[ 2796.827020][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2796.827020][   T10]      addrconf_add_dev+0xe2/0x170
[ 2796.827020][   T10]      inet6_addr_add+0x12f/0xa40
[ 2796.827020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.827020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.827020][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.827020][   T10]      netlink_unicast+0x449/0x710
[ 2796.827020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.827020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.827020][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.827020][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.827020][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.827020][   T10] 
[ 2796.829288][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.829288][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2796.829288][   T10]      ipv6_find_idev+0x102/0x170
[ 2796.829288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2796.829288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.829288][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.829288][   T10]      netlink_unicast+0x449/0x710
[ 2796.829288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.829288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.829288][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.829288][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.829288][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.829288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.829288][   T10] 
[ 2796.831124][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2796.831124][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2796.831124][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2796.831124][   T10]      ipv6_find_idev+0x102/0x170
[ 2796.831124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2796.831124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.831124][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.831124][   T10]      netlink_unicast+0x449/0x710
[ 2796.831124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.831124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.831124][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.831124][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.831124][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.831124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.831124][   T10] 
[ 2796.833167][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2796.833416][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2796.833416][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.833416][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.833416][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.833416][   T10]      ip6_route_add+0x1c/0x140
[ 2796.833416][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2796.833416][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2796.833416][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.833416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.833416][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.833416][   T10]      netlink_unicast+0x449/0x710
[ 2796.833416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.833416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.833416][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.833416][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.833416][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.833416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.833416][   T10] 
[ 2796.835787][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2796.835787][   T10]      netdev_get_by_index+0x5e/0x80
[ 2796.835787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2796.835787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2796.835787][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2796.835787][   T10]      ipv6_add_addr+0x411/0x2000
[ 2796.835787][   T10]      inet6_addr_add+0x30e/0xa40
[ 2796.835787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2796.835787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.835787][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.835787][   T10]      netlink_unicast+0x449/0x710
[ 2796.835787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.835787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.835787][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.835787][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.835787][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.835787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.835787][   T10] 
[ 2796.838169][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2796.838169][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2796.838169][   T10]      ipv6_find_idev+0x102/0x170
[ 2796.838169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2796.838169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.838169][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.838169][   T10]      netlink_unicast+0x449/0x710
[ 2796.838169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.838169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.838169][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.838169][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.838169][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.838169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.838169][   T10] 
[ 2796.839974][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2796.839974][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2796.839974][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2796.839974][   T10]      ipv6_find_idev+0x102/0x170
[ 2796.839974][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2796.839974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2796.839974][   T10]      netlink_rcv_skb+0x130/0x360
[ 2796.839974][   T10]      netlink_unicast+0x449/0x710
[ 2796.839974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2796.839974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2796.839974][   T10]      ___sys_sendmsg+0xee/0x170
[ 2796.839974][   T10]      __sys_sendmsg+0xcd/0x170
[ 2796.839974][   T10]      do_syscall_64+0xc6/0x1e0
[ 2796.839974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2796.839974][   T10] 
[ 2807.098241][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2807.098756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.098756][   T10]      dst_init+0x84/0x4a0
[ 2807.098756][   T10]      dst_alloc+0x97/0x150
[ 2807.098756][   T10]      ip6_dst_alloc+0x23/0x90
[ 2807.098756][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2807.098756][   T10]      ip6_pol_route+0x56f/0x840
[ 2807.098756][   T10]      fib6_rule_lookup+0x456/0x630
[ 2807.098756][   T10]      ip6_route_input+0x59c/0xa50
[ 2807.098756][   T10]      ipv6_rcv+0x397/0x810
[ 2807.098756][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2807.098756][   T10]      process_backlog+0x101/0x620
[ 2807.098756][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2807.098756][   T10]      net_rx_action+0x495/0xbe0
[ 2807.098756][   T10]      __do_softirq+0x1b5/0x7f6
[ 2807.098756][   T10] 
[ 2807.100518][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.100518][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2807.100518][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2807.100518][   T10]      fib6_nh_init+0xa22/0x1580
[ 2807.100518][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.100518][   T10]      ip6_route_add+0x1c/0x140
[ 2807.100518][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2807.100518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.100518][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.100518][   T10]      netlink_unicast+0x449/0x710
[ 2807.100518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.100518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.100518][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.100518][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.100518][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.100518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.100518][   T10] 
[ 2807.102522][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.102522][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.102522][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.102522][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.102522][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2807.102522][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2807.102522][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2807.102522][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2807.102522][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2807.102522][   T10]      addrconf_dad_begin+0x310/0x670
[ 2807.102522][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2807.102522][   T10]      process_one_work+0x84d/0x18a0
[ 2807.102522][   T10]      worker_thread+0x587/0xd30
[ 2807.102522][   T10]      kthread+0x28a/0x350
[ 2807.102522][   T10]      ret_from_fork+0x31/0x70
[ 2807.102522][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2807.102522][   T10] 
[ 2807.104427][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.104427][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.104427][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.104427][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.104427][   T10]      ip6_route_add+0x1c/0x140
[ 2807.104427][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2807.104427][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2807.104427][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.104427][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.104427][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.104427][   T10]      netlink_unicast+0x449/0x710
[ 2807.104427][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.104427][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.104427][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.104427][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.104427][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.104427][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.104427][   T10] 
[ 2807.106396][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.106396][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.106396][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.106396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.106396][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2807.106396][   T10]      ipv6_add_addr+0x411/0x2000
[ 2807.106396][   T10]      inet6_addr_add+0x30e/0xa40
[ 2807.106396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.106396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.106396][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.106396][   T10]      netlink_unicast+0x449/0x710
[ 2807.106396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.106396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.106396][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.106396][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.106396][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.106396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.106396][   T10] 
[ 2807.108460][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.108460][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.108460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.108460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.108460][   T10]      ip6_route_add+0x1c/0x140
[ 2807.108460][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2807.108460][   T10]      addrconf_add_dev+0xe2/0x170
[ 2807.108460][   T10]      inet6_addr_add+0x12f/0xa40
[ 2807.108460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.108460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.108460][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.108460][   T10]      netlink_unicast+0x449/0x710
[ 2807.108460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.108460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.108460][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.108460][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.108460][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.108460][   T10] 
[ 2807.110568][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.110568][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2807.110568][   T10]      ipv6_find_idev+0x102/0x170
[ 2807.110568][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.110568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.110568][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.110568][   T10]      netlink_unicast+0x449/0x710
[ 2807.110568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.110568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.110568][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.110568][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.110568][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.110568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.110568][   T10] 
[ 2807.112210][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2807.112210][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2807.112210][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2807.112210][   T10]      ipv6_find_idev+0x102/0x170
[ 2807.112210][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.112210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.112210][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.112210][   T10]      netlink_unicast+0x449/0x710
[ 2807.112210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.112210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.112210][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.112210][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.112210][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.112210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.112210][   T10] 
[ 2807.114035][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2807.114288][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.114288][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2807.114288][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2807.114288][   T10]      fib6_nh_init+0xa22/0x1580
[ 2807.114288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.114288][   T10]      ip6_route_add+0x1c/0x140
[ 2807.114288][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2807.114288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.114288][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.114288][   T10]      netlink_unicast+0x449/0x710
[ 2807.114288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.114288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.114288][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.114288][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.114288][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.114288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.114288][   T10] 
[ 2807.116270][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.116270][   T10]      dst_init+0x84/0x4a0
[ 2807.116270][   T10]      dst_alloc+0x97/0x150
[ 2807.116270][   T10]      ip6_dst_alloc+0x23/0x90
[ 2807.116270][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2807.116270][   T10]      ip6_pol_route+0x56f/0x840
[ 2807.116270][   T10]      fib6_rule_lookup+0x456/0x630
[ 2807.116270][   T10]      ip6_route_input+0x59c/0xa50
[ 2807.116270][   T10]      ipv6_rcv+0x397/0x810
[ 2807.116270][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2807.116270][   T10]      process_backlog+0x101/0x620
[ 2807.116270][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2807.116270][   T10]      net_rx_action+0x495/0xbe0
[ 2807.116270][   T10]      __do_softirq+0x1b5/0x7f6
[ 2807.116270][   T10] 
[ 2807.118033][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.118033][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.118033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.118033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.118033][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2807.118033][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2807.118033][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2807.118033][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2807.118033][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2807.118033][   T10]      addrconf_dad_begin+0x310/0x670
[ 2807.118033][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2807.118033][   T10]      process_one_work+0x84d/0x18a0
[ 2807.118033][   T10]      worker_thread+0x587/0xd30
[ 2807.118033][   T10]      kthread+0x28a/0x350
[ 2807.118033][   T10]      ret_from_fork+0x31/0x70
[ 2807.118033][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2807.118033][   T10] 
[ 2807.120061][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.120061][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.120061][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.120061][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.120061][   T10]      ip6_route_add+0x1c/0x140
[ 2807.120061][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2807.120061][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2807.120061][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.120061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.120061][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.120061][   T10]      netlink_unicast+0x449/0x710
[ 2807.120061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.120061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.120061][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.120061][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.120061][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.120061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.120061][   T10] 
[ 2807.122193][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.122193][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.122193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.122193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.122193][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2807.122193][   T10]      ipv6_add_addr+0x411/0x2000
[ 2807.122193][   T10]      inet6_addr_add+0x30e/0xa40
[ 2807.122193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.122193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.122193][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.122193][   T10]      netlink_unicast+0x449/0x710
[ 2807.122193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.122193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.122193][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.122193][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.122193][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.122193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.122193][   T10] 
[ 2807.124341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.124341][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.124341][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.124341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.124341][   T10]      ip6_route_add+0x1c/0x140
[ 2807.124341][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2807.124341][   T10]      addrconf_add_dev+0xe2/0x170
[ 2807.124341][   T10]      inet6_addr_add+0x12f/0xa40
[ 2807.124341][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.124341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.124341][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.124341][   T10]      netlink_unicast+0x449/0x710
[ 2807.124341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.124341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.124341][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.124341][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.124341][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.124341][   T10] 
[ 2807.126608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.126608][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2807.126608][   T10]      ipv6_find_idev+0x102/0x170
[ 2807.126608][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.126608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.126608][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.126608][   T10]      netlink_unicast+0x449/0x710
[ 2807.126608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.126608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.126608][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.126608][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.126608][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.126608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.126608][   T10] 
[ 2807.128426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2807.128426][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2807.128426][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2807.128426][   T10]      ipv6_find_idev+0x102/0x170
[ 2807.128426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.128426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.128426][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.128426][   T10]      netlink_unicast+0x449/0x710
[ 2807.128426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.128426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.128426][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.128426][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.128426][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.128426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.128426][   T10] 
[ 2807.130423][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2807.130716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2807.130716][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.130716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.130716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.130716][   T10]      ip6_route_add+0x1c/0x140
[ 2807.130716][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2807.130716][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2807.130716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.130716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.130716][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.130716][   T10]      netlink_unicast+0x449/0x710
[ 2807.130716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.130716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.130716][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.130716][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.130716][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.130716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.130716][   T10] 
[ 2807.133158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2807.133158][   T10]      netdev_get_by_index+0x5e/0x80
[ 2807.133158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2807.133158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2807.133158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2807.133158][   T10]      ipv6_add_addr+0x411/0x2000
[ 2807.133158][   T10]      inet6_addr_add+0x30e/0xa40
[ 2807.133158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2807.133158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.133158][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.133158][   T10]      netlink_unicast+0x449/0x710
[ 2807.133158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.133158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.133158][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.133158][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.133158][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.133158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.133158][   T10] 
[ 2807.135468][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2807.135468][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2807.135468][   T10]      ipv6_find_idev+0x102/0x170
[ 2807.135468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.135468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.135468][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.135468][   T10]      netlink_unicast+0x449/0x710
[ 2807.135468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.135468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.135468][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.135468][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.135468][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.135468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.135468][   T10] 
[ 2807.137298][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2807.137298][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2807.137298][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2807.137298][   T10]      ipv6_find_idev+0x102/0x170
[ 2807.137298][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2807.137298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2807.137298][   T10]      netlink_rcv_skb+0x130/0x360
[ 2807.137298][   T10]      netlink_unicast+0x449/0x710
[ 2807.137298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2807.137298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2807.137298][   T10]      ___sys_sendmsg+0xee/0x170
[ 2807.137298][   T10]      __sys_sendmsg+0xcd/0x170
[ 2807.137298][   T10]      do_syscall_64+0xc6/0x1e0
[ 2807.137298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2807.137298][   T10] 
[ 2817.394285][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2817.394782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.394782][   T10]      dst_init+0x84/0x4a0
[ 2817.394782][   T10]      dst_alloc+0x97/0x150
[ 2817.394782][   T10]      ip6_dst_alloc+0x23/0x90
[ 2817.394782][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2817.394782][   T10]      ip6_pol_route+0x56f/0x840
[ 2817.394782][   T10]      fib6_rule_lookup+0x456/0x630
[ 2817.394782][   T10]      ip6_route_input+0x59c/0xa50
[ 2817.394782][   T10]      ipv6_rcv+0x397/0x810
[ 2817.394782][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2817.394782][   T10]      process_backlog+0x101/0x620
[ 2817.394782][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2817.394782][   T10]      net_rx_action+0x495/0xbe0
[ 2817.394782][   T10]      __do_softirq+0x1b5/0x7f6
[ 2817.394782][   T10] 
[ 2817.396590][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.396590][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2817.396590][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2817.396590][   T10]      fib6_nh_init+0xa22/0x1580
[ 2817.396590][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.396590][   T10]      ip6_route_add+0x1c/0x140
[ 2817.396590][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2817.396590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.396590][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.396590][   T10]      netlink_unicast+0x449/0x710
[ 2817.396590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.396590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.396590][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.396590][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.396590][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.396590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.396590][   T10] 
[ 2817.398452][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.398452][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.398452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.398452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.398452][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2817.398452][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2817.398452][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2817.398452][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2817.398452][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2817.398452][   T10]      addrconf_dad_begin+0x310/0x670
[ 2817.398452][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2817.398452][   T10]      process_one_work+0x84d/0x18a0
[ 2817.398452][   T10]      worker_thread+0x587/0xd30
[ 2817.398452][   T10]      kthread+0x28a/0x350
[ 2817.398452][   T10]      ret_from_fork+0x31/0x70
[ 2817.398452][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2817.398452][   T10] 
[ 2817.400329][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.400329][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.400329][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.400329][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.400329][   T10]      ip6_route_add+0x1c/0x140
[ 2817.400329][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2817.400329][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2817.400329][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.400329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.400329][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.400329][   T10]      netlink_unicast+0x449/0x710
[ 2817.400329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.400329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.400329][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.400329][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.400329][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.400329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.400329][   T10] 
[ 2817.402295][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.402295][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.402295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.402295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.402295][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2817.402295][   T10]      ipv6_add_addr+0x411/0x2000
[ 2817.402295][   T10]      inet6_addr_add+0x30e/0xa40
[ 2817.402295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.402295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.402295][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.402295][   T10]      netlink_unicast+0x449/0x710
[ 2817.402295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.402295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.402295][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.402295][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.402295][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.402295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.402295][   T10] 
[ 2817.404420][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.404420][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.404420][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.404420][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.404420][   T10]      ip6_route_add+0x1c/0x140
[ 2817.404420][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2817.404420][   T10]      addrconf_add_dev+0xe2/0x170
[ 2817.404420][   T10]      inet6_addr_add+0x12f/0xa40
[ 2817.404420][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.404420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.404420][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.404420][   T10]      netlink_unicast+0x449/0x710
[ 2817.404420][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.404420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.404420][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.404420][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.404420][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.404420][   T10] 
[ 2817.406473][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.406473][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2817.406473][   T10]      ipv6_find_idev+0x102/0x170
[ 2817.406473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.406473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.406473][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.406473][   T10]      netlink_unicast+0x449/0x710
[ 2817.406473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.406473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.406473][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.406473][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.406473][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.406473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.406473][   T10] 
[ 2817.408158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2817.408158][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2817.408158][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2817.408158][   T10]      ipv6_find_idev+0x102/0x170
[ 2817.408158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.408158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.408158][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.408158][   T10]      netlink_unicast+0x449/0x710
[ 2817.408158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.408158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.408158][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.408158][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.408158][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.408158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.408158][   T10] 
[ 2817.409912][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2817.410155][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.410155][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2817.410155][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2817.410155][   T10]      fib6_nh_init+0xa22/0x1580
[ 2817.410155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.410155][   T10]      ip6_route_add+0x1c/0x140
[ 2817.410155][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2817.410155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.410155][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.410155][   T10]      netlink_unicast+0x449/0x710
[ 2817.410155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.410155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.410155][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.410155][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.410155][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.410155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.410155][   T10] 
[ 2817.412125][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.412125][   T10]      dst_init+0x84/0x4a0
[ 2817.412125][   T10]      dst_alloc+0x97/0x150
[ 2817.412125][   T10]      ip6_dst_alloc+0x23/0x90
[ 2817.412125][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2817.412125][   T10]      ip6_pol_route+0x56f/0x840
[ 2817.412125][   T10]      fib6_rule_lookup+0x456/0x630
[ 2817.412125][   T10]      ip6_route_input+0x59c/0xa50
[ 2817.412125][   T10]      ipv6_rcv+0x397/0x810
[ 2817.412125][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2817.412125][   T10]      process_backlog+0x101/0x620
[ 2817.412125][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2817.412125][   T10]      net_rx_action+0x495/0xbe0
[ 2817.412125][   T10]      __do_softirq+0x1b5/0x7f6
[ 2817.412125][   T10] 
[ 2817.413875][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.413875][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.413875][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.413875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.413875][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2817.413875][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2817.413875][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2817.413875][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2817.413875][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2817.413875][   T10]      addrconf_dad_begin+0x310/0x670
[ 2817.413875][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2817.413875][   T10]      process_one_work+0x84d/0x18a0
[ 2817.413875][   T10]      worker_thread+0x587/0xd30
[ 2817.413875][   T10]      kthread+0x28a/0x350
[ 2817.413875][   T10]      ret_from_fork+0x31/0x70
[ 2817.413875][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2817.413875][   T10] 
[ 2817.415796][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.415796][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.415796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.415796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.415796][   T10]      ip6_route_add+0x1c/0x140
[ 2817.415796][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2817.415796][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2817.415796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.415796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.415796][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.415796][   T10]      netlink_unicast+0x449/0x710
[ 2817.415796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.415796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.415796][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.415796][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.415796][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.415796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.415796][   T10] 
[ 2817.417836][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.417836][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.417836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.417836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.417836][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2817.417836][   T10]      ipv6_add_addr+0x411/0x2000
[ 2817.417836][   T10]      inet6_addr_add+0x30e/0xa40
[ 2817.417836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.417836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.417836][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.417836][   T10]      netlink_unicast+0x449/0x710
[ 2817.417836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.417836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.417836][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.417836][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.417836][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.417836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.417836][   T10] 
[ 2817.419820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.419820][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.419820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.419820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.419820][   T10]      ip6_route_add+0x1c/0x140
[ 2817.419820][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2817.419820][   T10]      addrconf_add_dev+0xe2/0x170
[ 2817.419820][   T10]      inet6_addr_add+0x12f/0xa40
[ 2817.419820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.419820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.419820][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.419820][   T10]      netlink_unicast+0x449/0x710
[ 2817.419820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.419820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.419820][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.419820][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.419820][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.419820][   T10] 
[ 2817.421992][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.421992][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2817.421992][   T10]      ipv6_find_idev+0x102/0x170
[ 2817.421992][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.421992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.421992][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.421992][   T10]      netlink_unicast+0x449/0x710
[ 2817.421992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.421992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.421992][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.421992][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.421992][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.421992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.421992][   T10] 
[ 2817.423852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2817.423852][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2817.423852][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2817.423852][   T10]      ipv6_find_idev+0x102/0x170
[ 2817.423852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.423852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.423852][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.423852][   T10]      netlink_unicast+0x449/0x710
[ 2817.423852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.423852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.423852][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.423852][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.423852][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.423852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.423852][   T10] 
[ 2817.425879][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2817.426140][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2817.426140][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.426140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.426140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.426140][   T10]      ip6_route_add+0x1c/0x140
[ 2817.426140][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2817.426140][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2817.426140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.426140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.426140][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.426140][   T10]      netlink_unicast+0x449/0x710
[ 2817.426140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.426140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.426140][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.426140][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.426140][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.426140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.426140][   T10] 
[ 2817.428477][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2817.428477][   T10]      netdev_get_by_index+0x5e/0x80
[ 2817.428477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2817.428477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2817.428477][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2817.428477][   T10]      ipv6_add_addr+0x411/0x2000
[ 2817.428477][   T10]      inet6_addr_add+0x30e/0xa40
[ 2817.428477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2817.428477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.428477][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.428477][   T10]      netlink_unicast+0x449/0x710
[ 2817.428477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.428477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.428477][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.428477][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.428477][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.428477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.428477][   T10] 
[ 2817.430850][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2817.430850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2817.430850][   T10]      ipv6_find_idev+0x102/0x170
[ 2817.430850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.430850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.430850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.430850][   T10]      netlink_unicast+0x449/0x710
[ 2817.430850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.430850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.430850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.430850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.430850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.430850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.430850][   T10] 
[ 2817.433248][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2817.433248][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2817.433248][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2817.433248][   T10]      ipv6_find_idev+0x102/0x170
[ 2817.433248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2817.433248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2817.433248][   T10]      netlink_rcv_skb+0x130/0x360
[ 2817.433248][   T10]      netlink_unicast+0x449/0x710
[ 2817.433248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2817.433248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2817.433248][   T10]      ___sys_sendmsg+0xee/0x170
[ 2817.433248][   T10]      __sys_sendmsg+0xcd/0x170
[ 2817.433248][   T10]      do_syscall_64+0xc6/0x1e0
[ 2817.433248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2817.433248][   T10] 
[ 2827.688699][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2827.689277][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.689277][   T10]      dst_init+0x84/0x4a0
[ 2827.689277][   T10]      dst_alloc+0x97/0x150
[ 2827.689277][   T10]      ip6_dst_alloc+0x23/0x90
[ 2827.689277][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2827.689277][   T10]      ip6_pol_route+0x56f/0x840
[ 2827.689277][   T10]      fib6_rule_lookup+0x456/0x630
[ 2827.689277][   T10]      ip6_route_input+0x59c/0xa50
[ 2827.689277][   T10]      ipv6_rcv+0x397/0x810
[ 2827.689277][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2827.689277][   T10]      process_backlog+0x101/0x620
[ 2827.689277][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2827.689277][   T10]      net_rx_action+0x495/0xbe0
[ 2827.689277][   T10]      __do_softirq+0x1b5/0x7f6
[ 2827.689277][   T10] 
[ 2827.691710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.691710][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2827.691710][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2827.691710][   T10]      fib6_nh_init+0xa22/0x1580
[ 2827.691710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.691710][   T10]      ip6_route_add+0x1c/0x140
[ 2827.691710][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2827.691710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.691710][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.691710][   T10]      netlink_unicast+0x449/0x710
[ 2827.691710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.691710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.691710][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.691710][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.691710][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.691710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.691710][   T10] 
[ 2827.693913][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.693913][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.693913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.693913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.693913][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2827.693913][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2827.693913][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2827.693913][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2827.693913][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2827.693913][   T10]      addrconf_dad_begin+0x310/0x670
[ 2827.693913][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2827.693913][   T10]      process_one_work+0x84d/0x18a0
[ 2827.693913][   T10]      worker_thread+0x587/0xd30
[ 2827.693913][   T10]      kthread+0x28a/0x350
[ 2827.693913][   T10]      ret_from_fork+0x31/0x70
[ 2827.693913][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2827.693913][   T10] 
[ 2827.696139][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.696139][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.696139][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.696139][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.696139][   T10]      ip6_route_add+0x1c/0x140
[ 2827.696139][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2827.696139][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2827.696139][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.696139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.696139][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.696139][   T10]      netlink_unicast+0x449/0x710
[ 2827.696139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.696139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.696139][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.696139][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.696139][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.696139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.696139][   T10] 
[ 2827.698421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.698421][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.698421][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.698421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.698421][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2827.698421][   T10]      ipv6_add_addr+0x411/0x2000
[ 2827.698421][   T10]      inet6_addr_add+0x30e/0xa40
[ 2827.698421][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.698421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.698421][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.698421][   T10]      netlink_unicast+0x449/0x710
[ 2827.698421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.698421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.698421][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.698421][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.698421][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.698421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.698421][   T10] 
[ 2827.700707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.700707][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.700707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.700707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.700707][   T10]      ip6_route_add+0x1c/0x140
[ 2827.700707][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2827.700707][   T10]      addrconf_add_dev+0xe2/0x170
[ 2827.700707][   T10]      inet6_addr_add+0x12f/0xa40
[ 2827.700707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.700707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.700707][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.700707][   T10]      netlink_unicast+0x449/0x710
[ 2827.700707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.700707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.700707][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.700707][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.700707][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.700707][   T10] 
[ 2827.703029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.703029][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2827.703029][   T10]      ipv6_find_idev+0x102/0x170
[ 2827.703029][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.703029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.703029][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.703029][   T10]      netlink_unicast+0x449/0x710
[ 2827.703029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.703029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.703029][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.703029][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.703029][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.703029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.703029][   T10] 
[ 2827.704864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2827.704864][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2827.704864][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2827.704864][   T10]      ipv6_find_idev+0x102/0x170
[ 2827.704864][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.704864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.704864][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.704864][   T10]      netlink_unicast+0x449/0x710
[ 2827.704864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.704864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.704864][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.704864][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.704864][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.704864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.704864][   T10] 
[ 2827.706816][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2827.707087][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.707087][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2827.707087][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2827.707087][   T10]      fib6_nh_init+0xa22/0x1580
[ 2827.707087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.707087][   T10]      ip6_route_add+0x1c/0x140
[ 2827.707087][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2827.707087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.707087][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.707087][   T10]      netlink_unicast+0x449/0x710
[ 2827.707087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.707087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.707087][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.707087][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.707087][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.707087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.707087][   T10] 
[ 2827.709289][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.709289][   T10]      dst_init+0x84/0x4a0
[ 2827.709289][   T10]      dst_alloc+0x97/0x150
[ 2827.709289][   T10]      ip6_dst_alloc+0x23/0x90
[ 2827.709289][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2827.709289][   T10]      ip6_pol_route+0x56f/0x840
[ 2827.709289][   T10]      fib6_rule_lookup+0x456/0x630
[ 2827.709289][   T10]      ip6_route_input+0x59c/0xa50
[ 2827.709289][   T10]      ipv6_rcv+0x397/0x810
[ 2827.709289][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2827.709289][   T10]      process_backlog+0x101/0x620
[ 2827.709289][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2827.709289][   T10]      net_rx_action+0x495/0xbe0
[ 2827.709289][   T10]      __do_softirq+0x1b5/0x7f6
[ 2827.709289][   T10] 
[ 2827.711196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.711196][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.711196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.711196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.711196][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2827.711196][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2827.711196][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2827.711196][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2827.711196][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2827.711196][   T10]      addrconf_dad_begin+0x310/0x670
[ 2827.711196][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2827.711196][   T10]      process_one_work+0x84d/0x18a0
[ 2827.711196][   T10]      worker_thread+0x587/0xd30
[ 2827.711196][   T10]      kthread+0x28a/0x350
[ 2827.711196][   T10]      ret_from_fork+0x31/0x70
[ 2827.711196][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2827.711196][   T10] 
[ 2827.713433][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.713433][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.713433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.713433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.713433][   T10]      ip6_route_add+0x1c/0x140
[ 2827.713433][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2827.713433][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2827.713433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.713433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.713433][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.713433][   T10]      netlink_unicast+0x449/0x710
[ 2827.713433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.713433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.713433][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.713433][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.713433][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.713433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.713433][   T10] 
[ 2827.715764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.715764][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.715764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.715764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.715764][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2827.715764][   T10]      ipv6_add_addr+0x411/0x2000
[ 2827.715764][   T10]      inet6_addr_add+0x30e/0xa40
[ 2827.715764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.715764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.715764][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.715764][   T10]      netlink_unicast+0x449/0x710
[ 2827.715764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.715764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.715764][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.715764][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.715764][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.715764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.715764][   T10] 
[ 2827.718096][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.718096][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.718096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.718096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.718096][   T10]      ip6_route_add+0x1c/0x140
[ 2827.718096][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2827.718096][   T10]      addrconf_add_dev+0xe2/0x170
[ 2827.718096][   T10]      inet6_addr_add+0x12f/0xa40
[ 2827.718096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.718096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.718096][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.718096][   T10]      netlink_unicast+0x449/0x710
[ 2827.718096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.718096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.718096][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.718096][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.718096][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.718096][   T10] 
[ 2827.720526][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.720526][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2827.720526][   T10]      ipv6_find_idev+0x102/0x170
[ 2827.720526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.720526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.720526][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.720526][   T10]      netlink_unicast+0x449/0x710
[ 2827.720526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.720526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.720526][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.720526][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.720526][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.720526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.720526][   T10] 
[ 2827.722539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2827.722539][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2827.722539][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2827.722539][   T10]      ipv6_find_idev+0x102/0x170
[ 2827.722539][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.722539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.722539][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.722539][   T10]      netlink_unicast+0x449/0x710
[ 2827.722539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.722539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.722539][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.722539][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.722539][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.722539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.722539][   T10] 
[ 2827.724814][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2827.725104][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2827.725104][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.725104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.725104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.725104][   T10]      ip6_route_add+0x1c/0x140
[ 2827.725104][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2827.725104][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2827.725104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.725104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.725104][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.725104][   T10]      netlink_unicast+0x449/0x710
[ 2827.725104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.725104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.725104][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.725104][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.725104][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.725104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.725104][   T10] 
[ 2827.727709][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2827.727709][   T10]      netdev_get_by_index+0x5e/0x80
[ 2827.727709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2827.727709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2827.727709][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2827.727709][   T10]      ipv6_add_addr+0x411/0x2000
[ 2827.727709][   T10]      inet6_addr_add+0x30e/0xa40
[ 2827.727709][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2827.727709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.727709][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.727709][   T10]      netlink_unicast+0x449/0x710
[ 2827.727709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.727709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.727709][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.727709][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.727709][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.727709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.727709][   T10] 
[ 2827.730197][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2827.730197][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2827.730197][   T10]      ipv6_find_idev+0x102/0x170
[ 2827.730197][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.730197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.730197][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.730197][   T10]      netlink_unicast+0x449/0x710
[ 2827.730197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.730197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.730197][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.730197][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.730197][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.730197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.730197][   T10] 
[ 2827.732154][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2827.732154][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2827.732154][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2827.732154][   T10]      ipv6_find_idev+0x102/0x170
[ 2827.732154][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2827.732154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2827.732154][   T10]      netlink_rcv_skb+0x130/0x360
[ 2827.732154][   T10]      netlink_unicast+0x449/0x710
[ 2827.732154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2827.732154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2827.732154][   T10]      ___sys_sendmsg+0xee/0x170
[ 2827.732154][   T10]      __sys_sendmsg+0xcd/0x170
[ 2827.732154][   T10]      do_syscall_64+0xc6/0x1e0
[ 2827.732154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2827.732154][   T10] 
[ 2837.986294][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2837.986776][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2837.986776][   T10]      dst_init+0x84/0x4a0
[ 2837.986776][   T10]      dst_alloc+0x97/0x150
[ 2837.986776][   T10]      ip6_dst_alloc+0x23/0x90
[ 2837.986776][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2837.986776][   T10]      ip6_pol_route+0x56f/0x840
[ 2837.986776][   T10]      fib6_rule_lookup+0x456/0x630
[ 2837.986776][   T10]      ip6_route_input+0x59c/0xa50
[ 2837.986776][   T10]      ipv6_rcv+0x397/0x810
[ 2837.986776][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2837.986776][   T10]      process_backlog+0x101/0x620
[ 2837.986776][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2837.986776][   T10]      net_rx_action+0x495/0xbe0
[ 2837.986776][   T10]      __do_softirq+0x1b5/0x7f6
[ 2837.986776][   T10] 
[ 2837.988723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2837.988723][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2837.988723][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2837.988723][   T10]      fib6_nh_init+0xa22/0x1580
[ 2837.988723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2837.988723][   T10]      ip6_route_add+0x1c/0x140
[ 2837.988723][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2837.988723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2837.988723][   T10]      netlink_rcv_skb+0x130/0x360
[ 2837.988723][   T10]      netlink_unicast+0x449/0x710
[ 2837.988723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2837.988723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2837.988723][   T10]      ___sys_sendmsg+0xee/0x170
[ 2837.988723][   T10]      __sys_sendmsg+0xcd/0x170
[ 2837.988723][   T10]      do_syscall_64+0xc6/0x1e0
[ 2837.988723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2837.988723][   T10] 
[ 2837.990927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2837.990927][   T10]      netdev_get_by_index+0x5e/0x80
[ 2837.990927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2837.990927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2837.990927][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2837.990927][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2837.990927][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2837.990927][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2837.990927][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2837.990927][   T10]      addrconf_dad_begin+0x310/0x670
[ 2837.990927][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2837.990927][   T10]      process_one_work+0x84d/0x18a0
[ 2837.990927][   T10]      worker_thread+0x587/0xd30
[ 2837.990927][   T10]      kthread+0x28a/0x350
[ 2837.990927][   T10]      ret_from_fork+0x31/0x70
[ 2837.990927][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2837.990927][   T10] 
[ 2837.993172][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2837.993172][   T10]      netdev_get_by_index+0x5e/0x80
[ 2837.993172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2837.993172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2837.993172][   T10]      ip6_route_add+0x1c/0x140
[ 2837.993172][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2837.993172][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2837.993172][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2837.993172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2837.993172][   T10]      netlink_rcv_skb+0x130/0x360
[ 2837.993172][   T10]      netlink_unicast+0x449/0x710
[ 2837.993172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2837.993172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2837.993172][   T10]      ___sys_sendmsg+0xee/0x170
[ 2837.993172][   T10]      __sys_sendmsg+0xcd/0x170
[ 2837.993172][   T10]      do_syscall_64+0xc6/0x1e0
[ 2837.993172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2837.993172][   T10] 
[ 2837.995523][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2837.995523][   T10]      netdev_get_by_index+0x5e/0x80
[ 2837.995523][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2837.995523][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2837.995523][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2837.995523][   T10]      ipv6_add_addr+0x411/0x2000
[ 2837.995523][   T10]      inet6_addr_add+0x30e/0xa40
[ 2837.995523][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2837.995523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2837.995523][   T10]      netlink_rcv_skb+0x130/0x360
[ 2837.995523][   T10]      netlink_unicast+0x449/0x710
[ 2837.995523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2837.995523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2837.995523][   T10]      ___sys_sendmsg+0xee/0x170
[ 2837.995523][   T10]      __sys_sendmsg+0xcd/0x170
[ 2837.995523][   T10]      do_syscall_64+0xc6/0x1e0
[ 2837.995523][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2837.995523][   T10] 
[ 2837.997871][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2837.997871][   T10]      netdev_get_by_index+0x5e/0x80
[ 2837.997871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2837.997871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2837.997871][   T10]      ip6_route_add+0x1c/0x140
[ 2837.997871][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2837.997871][   T10]      addrconf_add_dev+0xe2/0x170
[ 2837.997871][   T10]      inet6_addr_add+0x12f/0xa40
[ 2837.997871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2837.997871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2837.997871][   T10]      netlink_rcv_skb+0x130/0x360
[ 2837.997871][   T10]      netlink_unicast+0x449/0x710
[ 2837.997871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2837.997871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2837.997871][   T10]      ___sys_sendmsg+0xee/0x170
[ 2837.997871][   T10]      __sys_sendmsg+0xcd/0x170
[ 2837.997871][   T10]      do_syscall_64+0xc6/0x1e0
[ 2837.997871][   T10] 
[ 2838.000163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2838.000163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.000163][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.000163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.000163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.000163][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.000163][   T10]      netlink_unicast+0x449/0x710
[ 2838.000163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.000163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.000163][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.000163][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.000163][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.000163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.000163][   T10] 
[ 2838.001939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2838.001939][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2838.001939][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.001939][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.001939][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.001939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.001939][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.001939][   T10]      netlink_unicast+0x449/0x710
[ 2838.001939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.001939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.001939][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.001939][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.001939][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.001939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.001939][   T10] 
[ 2838.003897][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2838.004175][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.004175][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2838.004175][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2838.004175][   T10]      fib6_nh_init+0xa22/0x1580
[ 2838.004175][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.004175][   T10]      ip6_route_add+0x1c/0x140
[ 2838.004175][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2838.004175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.004175][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.004175][   T10]      netlink_unicast+0x449/0x710
[ 2838.004175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.004175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.004175][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.004175][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.004175][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.004175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.004175][   T10] 
[ 2838.006333][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.006333][   T10]      dst_init+0x84/0x4a0
[ 2838.006333][   T10]      dst_alloc+0x97/0x150
[ 2838.006333][   T10]      ip6_dst_alloc+0x23/0x90
[ 2838.006333][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2838.006333][   T10]      ip6_pol_route+0x56f/0x840
[ 2838.006333][   T10]      fib6_rule_lookup+0x456/0x630
[ 2838.006333][   T10]      ip6_route_input+0x59c/0xa50
[ 2838.006333][   T10]      ipv6_rcv+0x397/0x810
[ 2838.006333][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2838.006333][   T10]      process_backlog+0x101/0x620
[ 2838.006333][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2838.006333][   T10]      net_rx_action+0x495/0xbe0
[ 2838.006333][   T10]      __do_softirq+0x1b5/0x7f6
[ 2838.006333][   T10] 
[ 2838.008236][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.008236][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.008236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.008236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.008236][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2838.008236][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2838.008236][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2838.008236][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2838.008236][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2838.008236][   T10]      addrconf_dad_begin+0x310/0x670
[ 2838.008236][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2838.008236][   T10]      process_one_work+0x84d/0x18a0
[ 2838.008236][   T10]      worker_thread+0x587/0xd30
[ 2838.008236][   T10]      kthread+0x28a/0x350
[ 2838.008236][   T10]      ret_from_fork+0x31/0x70
[ 2838.008236][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2838.008236][   T10] 
[ 2838.010461][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.010461][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.010461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.010461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.010461][   T10]      ip6_route_add+0x1c/0x140
[ 2838.010461][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2838.010461][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2838.010461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.010461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.010461][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.010461][   T10]      netlink_unicast+0x449/0x710
[ 2838.010461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.010461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.010461][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.010461][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.010461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.010461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.010461][   T10] 
[ 2838.012811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.012811][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.012811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.012811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.012811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2838.012811][   T10]      ipv6_add_addr+0x411/0x2000
[ 2838.012811][   T10]      inet6_addr_add+0x30e/0xa40
[ 2838.012811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.012811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.012811][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.012811][   T10]      netlink_unicast+0x449/0x710
[ 2838.012811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.012811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.012811][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.012811][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.012811][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.012811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.012811][   T10] 
[ 2838.015126][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.015126][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.015126][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.015126][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.015126][   T10]      ip6_route_add+0x1c/0x140
[ 2838.015126][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2838.015126][   T10]      addrconf_add_dev+0xe2/0x170
[ 2838.015126][   T10]      inet6_addr_add+0x12f/0xa40
[ 2838.015126][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.015126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.015126][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.015126][   T10]      netlink_unicast+0x449/0x710
[ 2838.015126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.015126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.015126][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.015126][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.015126][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.015126][   T10] 
[ 2838.017530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.017530][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.017530][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.017530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.017530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.017530][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.017530][   T10]      netlink_unicast+0x449/0x710
[ 2838.017530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.017530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.017530][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.017530][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.017530][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.017530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.017530][   T10] 
[ 2838.019557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2838.019557][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2838.019557][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.019557][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.019557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.019557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.019557][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.019557][   T10]      netlink_unicast+0x449/0x710
[ 2838.019557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.019557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.019557][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.019557][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.019557][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.019557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.019557][   T10] 
[ 2838.021761][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2838.022029][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2838.022029][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.022029][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.022029][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.022029][   T10]      ip6_route_add+0x1c/0x140
[ 2838.022029][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2838.022029][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2838.022029][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.022029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.022029][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.022029][   T10]      netlink_unicast+0x449/0x710
[ 2838.022029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.022029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.022029][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.022029][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.022029][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.022029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.022029][   T10] 
[ 2838.024631][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2838.024631][   T10]      netdev_get_by_index+0x5e/0x80
[ 2838.024631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2838.024631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2838.024631][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2838.024631][   T10]      ipv6_add_addr+0x411/0x2000
[ 2838.024631][   T10]      inet6_addr_add+0x30e/0xa40
[ 2838.024631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2838.024631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.024631][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.024631][   T10]      netlink_unicast+0x449/0x710
[ 2838.024631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.024631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.024631][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.024631][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.024631][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.024631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.024631][   T10] 
[ 2838.027219][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2838.027219][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2838.027219][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.027219][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.027219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.027219][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.027219][   T10]      netlink_unicast+0x449/0x710
[ 2838.027219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.027219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.027219][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.027219][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.027219][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.027219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.027219][   T10] 
[ 2838.029177][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2838.029177][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2838.029177][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2838.029177][   T10]      ipv6_find_idev+0x102/0x170
[ 2838.029177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2838.029177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2838.029177][   T10]      netlink_rcv_skb+0x130/0x360
[ 2838.029177][   T10]      netlink_unicast+0x449/0x710
[ 2838.029177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2838.029177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2838.029177][   T10]      ___sys_sendmsg+0xee/0x170
[ 2838.029177][   T10]      __sys_sendmsg+0xcd/0x170
[ 2838.029177][   T10]      do_syscall_64+0xc6/0x1e0
[ 2838.029177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2838.029177][   T10] 
[ 2848.282315][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2848.282912][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.282912][   T10]      dst_init+0x84/0x4a0
[ 2848.282912][   T10]      dst_alloc+0x97/0x150
[ 2848.282912][   T10]      ip6_dst_alloc+0x23/0x90
[ 2848.282912][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2848.282912][   T10]      ip6_pol_route+0x56f/0x840
[ 2848.282912][   T10]      fib6_rule_lookup+0x456/0x630
[ 2848.282912][   T10]      ip6_route_input+0x59c/0xa50
[ 2848.282912][   T10]      ipv6_rcv+0x397/0x810
[ 2848.282912][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2848.282912][   T10]      process_backlog+0x101/0x620
[ 2848.282912][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2848.282912][   T10]      net_rx_action+0x495/0xbe0
[ 2848.282912][   T10]      __do_softirq+0x1b5/0x7f6
[ 2848.282912][   T10] 
[ 2848.284947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.284947][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2848.284947][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2848.284947][   T10]      fib6_nh_init+0xa22/0x1580
[ 2848.284947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.284947][   T10]      ip6_route_add+0x1c/0x140
[ 2848.284947][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2848.284947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.284947][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.284947][   T10]      netlink_unicast+0x449/0x710
[ 2848.284947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.284947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.284947][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.284947][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.284947][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.284947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.284947][   T10] 
[ 2848.287109][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.287109][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.287109][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.287109][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.287109][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2848.287109][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2848.287109][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2848.287109][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2848.287109][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2848.287109][   T10]      addrconf_dad_begin+0x310/0x670
[ 2848.287109][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2848.287109][   T10]      process_one_work+0x84d/0x18a0
[ 2848.287109][   T10]      worker_thread+0x587/0xd30
[ 2848.287109][   T10]      kthread+0x28a/0x350
[ 2848.287109][   T10]      ret_from_fork+0x31/0x70
[ 2848.287109][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2848.287109][   T10] 
[ 2848.289295][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.289295][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.289295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.289295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.289295][   T10]      ip6_route_add+0x1c/0x140
[ 2848.289295][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2848.289295][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2848.289295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.289295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.289295][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.289295][   T10]      netlink_unicast+0x449/0x710
[ 2848.289295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.289295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.289295][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.289295][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.289295][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.289295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.289295][   T10] 
[ 2848.291590][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.291590][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.291590][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.291590][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.291590][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2848.291590][   T10]      ipv6_add_addr+0x411/0x2000
[ 2848.291590][   T10]      inet6_addr_add+0x30e/0xa40
[ 2848.291590][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.291590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.291590][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.291590][   T10]      netlink_unicast+0x449/0x710
[ 2848.291590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.291590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.291590][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.291590][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.291590][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.291590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.291590][   T10] 
[ 2848.293946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.293946][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.293946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.293946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.293946][   T10]      ip6_route_add+0x1c/0x140
[ 2848.293946][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2848.293946][   T10]      addrconf_add_dev+0xe2/0x170
[ 2848.293946][   T10]      inet6_addr_add+0x12f/0xa40
[ 2848.293946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.293946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.293946][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.293946][   T10]      netlink_unicast+0x449/0x710
[ 2848.293946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.293946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.293946][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.293946][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.293946][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.293946][   T10] 
[ 2848.296235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.296235][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2848.296235][   T10]      ipv6_find_idev+0x102/0x170
[ 2848.296235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.296235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.296235][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.296235][   T10]      netlink_unicast+0x449/0x710
[ 2848.296235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.296235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.296235][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.296235][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.296235][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.296235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.296235][   T10] 
[ 2848.298023][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2848.298023][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2848.298023][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2848.298023][   T10]      ipv6_find_idev+0x102/0x170
[ 2848.298023][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.298023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.298023][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.298023][   T10]      netlink_unicast+0x449/0x710
[ 2848.298023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.298023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.298023][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.298023][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.298023][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.298023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.298023][   T10] 
[ 2848.300013][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2848.300300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.300300][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2848.300300][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2848.300300][   T10]      fib6_nh_init+0xa22/0x1580
[ 2848.300300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.300300][   T10]      ip6_route_add+0x1c/0x140
[ 2848.300300][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2848.300300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.300300][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.300300][   T10]      netlink_unicast+0x449/0x710
[ 2848.300300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.300300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.300300][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.300300][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.300300][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.300300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.300300][   T10] 
[ 2848.302524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.302524][   T10]      dst_init+0x84/0x4a0
[ 2848.302524][   T10]      dst_alloc+0x97/0x150
[ 2848.302524][   T10]      ip6_dst_alloc+0x23/0x90
[ 2848.302524][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2848.302524][   T10]      ip6_pol_route+0x56f/0x840
[ 2848.302524][   T10]      fib6_rule_lookup+0x456/0x630
[ 2848.302524][   T10]      ip6_route_input+0x59c/0xa50
[ 2848.302524][   T10]      ipv6_rcv+0x397/0x810
[ 2848.302524][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2848.302524][   T10]      process_backlog+0x101/0x620
[ 2848.302524][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2848.302524][   T10]      net_rx_action+0x495/0xbe0
[ 2848.302524][   T10]      __do_softirq+0x1b5/0x7f6
[ 2848.302524][   T10] 
[ 2848.304424][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.304424][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.304424][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.304424][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.304424][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2848.304424][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2848.304424][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2848.304424][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2848.304424][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2848.304424][   T10]      addrconf_dad_begin+0x310/0x670
[ 2848.304424][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2848.304424][   T10]      process_one_work+0x84d/0x18a0
[ 2848.304424][   T10]      worker_thread+0x587/0xd30
[ 2848.304424][   T10]      kthread+0x28a/0x350
[ 2848.304424][   T10]      ret_from_fork+0x31/0x70
[ 2848.304424][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2848.304424][   T10] 
[ 2848.306698][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.306698][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.306698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.306698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.306698][   T10]      ip6_route_add+0x1c/0x140
[ 2848.306698][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2848.306698][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2848.306698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.306698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.306698][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.306698][   T10]      netlink_unicast+0x449/0x710
[ 2848.306698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.306698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.306698][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.306698][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.306698][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.306698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.306698][   T10] 
[ 2848.309309][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.309309][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.309309][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.309309][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.309309][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2848.309309][   T10]      ipv6_add_addr+0x411/0x2000
[ 2848.309309][   T10]      inet6_addr_add+0x30e/0xa40
[ 2848.309309][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.309309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.309309][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.309309][   T10]      netlink_unicast+0x449/0x710
[ 2848.309309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.309309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.309309][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.309309][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.309309][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.309309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.309309][   T10] 
[ 2848.311632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.311632][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.311632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.311632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.311632][   T10]      ip6_route_add+0x1c/0x140
[ 2848.311632][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2848.311632][   T10]      addrconf_add_dev+0xe2/0x170
[ 2848.311632][   T10]      inet6_addr_add+0x12f/0xa40
[ 2848.311632][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.311632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.311632][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.311632][   T10]      netlink_unicast+0x449/0x710
[ 2848.311632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.311632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.311632][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.311632][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.311632][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.311632][   T10] 
[ 2848.314102][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.314102][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2848.314102][   T10]      ipv6_find_idev+0x102/0x170
[ 2848.314102][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.314102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.314102][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.314102][   T10]      netlink_unicast+0x449/0x710
[ 2848.314102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.314102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.314102][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.314102][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.314102][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.314102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.314102][   T10] 
[ 2848.316065][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2848.316065][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2848.316065][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2848.316065][   T10]      ipv6_find_idev+0x102/0x170
[ 2848.316065][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.316065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.316065][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.316065][   T10]      netlink_unicast+0x449/0x710
[ 2848.316065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.316065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.316065][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.316065][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.316065][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.316065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.316065][   T10] 
[ 2848.318319][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2848.318602][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2848.318602][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.318602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.318602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.318602][   T10]      ip6_route_add+0x1c/0x140
[ 2848.318602][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2848.318602][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2848.318602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.318602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.318602][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.318602][   T10]      netlink_unicast+0x449/0x710
[ 2848.318602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.318602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.318602][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.318602][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.318602][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.318602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.318602][   T10] 
[ 2848.321195][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2848.321195][   T10]      netdev_get_by_index+0x5e/0x80
[ 2848.321195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2848.321195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2848.321195][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2848.321195][   T10]      ipv6_add_addr+0x411/0x2000
[ 2848.321195][   T10]      inet6_addr_add+0x30e/0xa40
[ 2848.321195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2848.321195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.321195][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.321195][   T10]      netlink_unicast+0x449/0x710
[ 2848.321195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.321195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.321195][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.321195][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.321195][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.321195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.321195][   T10] 
[ 2848.323709][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2848.323709][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2848.323709][   T10]      ipv6_find_idev+0x102/0x170
[ 2848.323709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.323709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.323709][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.323709][   T10]      netlink_unicast+0x449/0x710
[ 2848.323709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.323709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.323709][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.323709][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.323709][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.323709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.323709][   T10] 
[ 2848.325675][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2848.325675][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2848.325675][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2848.325675][   T10]      ipv6_find_idev+0x102/0x170
[ 2848.325675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2848.325675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2848.325675][   T10]      netlink_rcv_skb+0x130/0x360
[ 2848.325675][   T10]      netlink_unicast+0x449/0x710
[ 2848.325675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2848.325675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2848.325675][   T10]      ___sys_sendmsg+0xee/0x170
[ 2848.325675][   T10]      __sys_sendmsg+0xcd/0x170
[ 2848.325675][   T10]      do_syscall_64+0xc6/0x1e0
[ 2848.325675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2848.325675][   T10] 
[ 2858.576757][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2858.577666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.577666][   T10]      dst_init+0x84/0x4a0
[ 2858.577666][   T10]      dst_alloc+0x97/0x150
[ 2858.577666][   T10]      ip6_dst_alloc+0x23/0x90
[ 2858.577666][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2858.577666][   T10]      ip6_pol_route+0x56f/0x840
[ 2858.577666][   T10]      fib6_rule_lookup+0x456/0x630
[ 2858.577666][   T10]      ip6_route_input+0x59c/0xa50
[ 2858.577666][   T10]      ipv6_rcv+0x397/0x810
[ 2858.577666][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2858.577666][   T10]      process_backlog+0x101/0x620
[ 2858.577666][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2858.577666][   T10]      net_rx_action+0x495/0xbe0
[ 2858.577666][   T10]      __do_softirq+0x1b5/0x7f6
[ 2858.577666][   T10] 
[ 2858.580405][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.580405][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2858.580405][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2858.580405][   T10]      fib6_nh_init+0xa22/0x1580
[ 2858.580405][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.580405][   T10]      ip6_route_add+0x1c/0x140
[ 2858.580405][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2858.580405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.580405][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.580405][   T10]      netlink_unicast+0x449/0x710
[ 2858.580405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.580405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.580405][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.580405][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.580405][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.580405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.580405][   T10] 
[ 2858.583641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.583641][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.583641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.583641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.583641][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2858.583641][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2858.583641][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2858.583641][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2858.583641][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2858.583641][   T10]      addrconf_dad_begin+0x310/0x670
[ 2858.583641][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2858.583641][   T10]      process_one_work+0x84d/0x18a0
[ 2858.583641][   T10]      worker_thread+0x587/0xd30
[ 2858.583641][   T10]      kthread+0x28a/0x350
[ 2858.583641][   T10]      ret_from_fork+0x31/0x70
[ 2858.583641][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2858.583641][   T10] 
[ 2858.586916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.586916][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.586916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.586916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.586916][   T10]      ip6_route_add+0x1c/0x140
[ 2858.586916][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2858.586916][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2858.586916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.586916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.586916][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.586916][   T10]      netlink_unicast+0x449/0x710
[ 2858.586916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.586916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.586916][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.586916][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.586916][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.586916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.586916][   T10] 
[ 2858.590225][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.590225][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.590225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.590225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.590225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2858.590225][   T10]      ipv6_add_addr+0x411/0x2000
[ 2858.590225][   T10]      inet6_addr_add+0x30e/0xa40
[ 2858.590225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.590225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.590225][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.590225][   T10]      netlink_unicast+0x449/0x710
[ 2858.590225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.590225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.590225][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.590225][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.590225][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.590225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.590225][   T10] 
[ 2858.593461][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.593461][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.593461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.593461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.593461][   T10]      ip6_route_add+0x1c/0x140
[ 2858.593461][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2858.593461][   T10]      addrconf_add_dev+0xe2/0x170
[ 2858.593461][   T10]      inet6_addr_add+0x12f/0xa40
[ 2858.593461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.593461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.593461][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.593461][   T10]      netlink_unicast+0x449/0x710
[ 2858.593461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.593461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.593461][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.593461][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.593461][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.593461][   T10] 
[ 2858.596670][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.596670][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2858.596670][   T10]      ipv6_find_idev+0x102/0x170
[ 2858.596670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.596670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.596670][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.596670][   T10]      netlink_unicast+0x449/0x710
[ 2858.596670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.596670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.596670][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.596670][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.596670][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.596670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.596670][   T10] 
[ 2858.599163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2858.599163][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2858.599163][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2858.599163][   T10]      ipv6_find_idev+0x102/0x170
[ 2858.599163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.599163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.599163][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.599163][   T10]      netlink_unicast+0x449/0x710
[ 2858.599163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.599163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.599163][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.599163][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.599163][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.599163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.599163][   T10] 
[ 2858.602137][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2858.602570][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.602570][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2858.602570][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2858.602570][   T10]      fib6_nh_init+0xa22/0x1580
[ 2858.602570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.602570][   T10]      ip6_route_add+0x1c/0x140
[ 2858.602570][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2858.602570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.602570][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.602570][   T10]      netlink_unicast+0x449/0x710
[ 2858.602570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.602570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.602570][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.602570][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.602570][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.602570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.602570][   T10] 
[ 2858.605783][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.605783][   T10]      dst_init+0x84/0x4a0
[ 2858.605783][   T10]      dst_alloc+0x97/0x150
[ 2858.605783][   T10]      ip6_dst_alloc+0x23/0x90
[ 2858.605783][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2858.605783][   T10]      ip6_pol_route+0x56f/0x840
[ 2858.605783][   T10]      fib6_rule_lookup+0x456/0x630
[ 2858.605783][   T10]      ip6_route_input+0x59c/0xa50
[ 2858.605783][   T10]      ipv6_rcv+0x397/0x810
[ 2858.605783][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2858.605783][   T10]      process_backlog+0x101/0x620
[ 2858.605783][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2858.605783][   T10]      net_rx_action+0x495/0xbe0
[ 2858.605783][   T10]      __do_softirq+0x1b5/0x7f6
[ 2858.605783][   T10] 
[ 2858.608587][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.608587][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.608587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.608587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.608587][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2858.608587][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2858.608587][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2858.608587][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2858.608587][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2858.608587][   T10]      addrconf_dad_begin+0x310/0x670
[ 2858.608587][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2858.608587][   T10]      process_one_work+0x84d/0x18a0
[ 2858.608587][   T10]      worker_thread+0x587/0xd30
[ 2858.608587][   T10]      kthread+0x28a/0x350
[ 2858.608587][   T10]      ret_from_fork+0x31/0x70
[ 2858.608587][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2858.608587][   T10] 
[ 2858.611719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.611719][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.611719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.611719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.611719][   T10]      ip6_route_add+0x1c/0x140
[ 2858.611719][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2858.611719][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2858.611719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.611719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.611719][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.611719][   T10]      netlink_unicast+0x449/0x710
[ 2858.611719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.611719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.611719][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.611719][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.611719][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.611719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.611719][   T10] 
[ 2858.615022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.615022][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.615022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.615022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.615022][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2858.615022][   T10]      ipv6_add_addr+0x411/0x2000
[ 2858.615022][   T10]      inet6_addr_add+0x30e/0xa40
[ 2858.615022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.615022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.615022][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.615022][   T10]      netlink_unicast+0x449/0x710
[ 2858.615022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.615022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.615022][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.615022][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.615022][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.615022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.615022][   T10] 
[ 2858.618362][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.618362][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.618362][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.618362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.618362][   T10]      ip6_route_add+0x1c/0x140
[ 2858.618362][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2858.618362][   T10]      addrconf_add_dev+0xe2/0x170
[ 2858.618362][   T10]      inet6_addr_add+0x12f/0xa40
[ 2858.618362][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.618362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.618362][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.618362][   T10]      netlink_unicast+0x449/0x710
[ 2858.618362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.618362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.618362][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.618362][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.618362][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.618362][   T10] 
[ 2858.621988][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.621988][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2858.621988][   T10]      ipv6_find_idev+0x102/0x170
[ 2858.621988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.621988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.621988][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.621988][   T10]      netlink_unicast+0x449/0x710
[ 2858.621988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.621988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.621988][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.621988][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.621988][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.621988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.621988][   T10] 
[ 2858.625014][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2858.625014][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2858.625014][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2858.625014][   T10]      ipv6_find_idev+0x102/0x170
[ 2858.625014][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.625014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.625014][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.625014][   T10]      netlink_unicast+0x449/0x710
[ 2858.625014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.625014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.625014][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.625014][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.625014][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.625014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.625014][   T10] 
[ 2858.628168][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2858.628599][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2858.628599][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.628599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.628599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.628599][   T10]      ip6_route_add+0x1c/0x140
[ 2858.628599][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2858.628599][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2858.628599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.628599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.628599][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.628599][   T10]      netlink_unicast+0x449/0x710
[ 2858.628599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.628599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.628599][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.628599][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.628599][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.628599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.628599][   T10] 
[ 2858.632434][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2858.632434][   T10]      netdev_get_by_index+0x5e/0x80
[ 2858.632434][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2858.632434][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2858.632434][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2858.632434][   T10]      ipv6_add_addr+0x411/0x2000
[ 2858.632434][   T10]      inet6_addr_add+0x30e/0xa40
[ 2858.632434][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2858.632434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.632434][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.632434][   T10]      netlink_unicast+0x449/0x710
[ 2858.632434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.632434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.632434][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.632434][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.632434][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.632434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.632434][   T10] 
[ 2858.636123][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2858.636123][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2858.636123][   T10]      ipv6_find_idev+0x102/0x170
[ 2858.636123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.636123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.636123][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.636123][   T10]      netlink_unicast+0x449/0x710
[ 2858.636123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.636123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.636123][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.636123][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.636123][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.636123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.636123][   T10] 
[ 2858.639180][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2858.639180][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2858.639180][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2858.639180][   T10]      ipv6_find_idev+0x102/0x170
[ 2858.639180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2858.639180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2858.639180][   T10]      netlink_rcv_skb+0x130/0x360
[ 2858.639180][   T10]      netlink_unicast+0x449/0x710
[ 2858.639180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2858.639180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2858.639180][   T10]      ___sys_sendmsg+0xee/0x170
[ 2858.639180][   T10]      __sys_sendmsg+0xcd/0x170
[ 2858.639180][   T10]      do_syscall_64+0xc6/0x1e0
[ 2858.639180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2858.639180][   T10] 
[ 2868.688819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2868.689340][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.689340][   T10]      dst_init+0x84/0x4a0
[ 2868.689340][   T10]      dst_alloc+0x97/0x150
[ 2868.689340][   T10]      ip6_dst_alloc+0x23/0x90
[ 2868.689340][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2868.689340][   T10]      ip6_pol_route+0x56f/0x840
[ 2868.689340][   T10]      fib6_rule_lookup+0x456/0x630
[ 2868.689340][   T10]      ip6_route_input+0x59c/0xa50
[ 2868.689340][   T10]      ipv6_rcv+0x397/0x810
[ 2868.689340][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2868.689340][   T10]      process_backlog+0x101/0x620
[ 2868.689340][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2868.689340][   T10]      net_rx_action+0x495/0xbe0
[ 2868.689340][   T10]      __do_softirq+0x1b5/0x7f6
[ 2868.689340][   T10] 
[ 2868.691061][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.691061][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2868.691061][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2868.691061][   T10]      fib6_nh_init+0xa22/0x1580
[ 2868.691061][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.691061][   T10]      ip6_route_add+0x1c/0x140
[ 2868.691061][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2868.691061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.691061][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.691061][   T10]      netlink_unicast+0x449/0x710
[ 2868.691061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.691061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.691061][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.691061][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.691061][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.691061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.691061][   T10] 
[ 2868.693043][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.693043][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.693043][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.693043][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.693043][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2868.693043][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2868.693043][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2868.693043][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2868.693043][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2868.693043][   T10]      addrconf_dad_begin+0x310/0x670
[ 2868.693043][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2868.693043][   T10]      process_one_work+0x84d/0x18a0
[ 2868.693043][   T10]      worker_thread+0x587/0xd30
[ 2868.693043][   T10]      kthread+0x28a/0x350
[ 2868.693043][   T10]      ret_from_fork+0x31/0x70
[ 2868.693043][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2868.693043][   T10] 
[ 2868.695004][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.695004][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.695004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.695004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.695004][   T10]      ip6_route_add+0x1c/0x140
[ 2868.695004][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2868.695004][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2868.695004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.695004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.695004][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.695004][   T10]      netlink_unicast+0x449/0x710
[ 2868.695004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.695004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.695004][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.695004][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.695004][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.695004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.695004][   T10] 
[ 2868.697049][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.697049][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.697049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.697049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.697049][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2868.697049][   T10]      ipv6_add_addr+0x411/0x2000
[ 2868.697049][   T10]      inet6_addr_add+0x30e/0xa40
[ 2868.697049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.697049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.697049][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.697049][   T10]      netlink_unicast+0x449/0x710
[ 2868.697049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.697049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.697049][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.697049][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.697049][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.697049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.697049][   T10] 
[ 2868.699091][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.699091][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.699091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.699091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.699091][   T10]      ip6_route_add+0x1c/0x140
[ 2868.699091][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2868.699091][   T10]      addrconf_add_dev+0xe2/0x170
[ 2868.699091][   T10]      inet6_addr_add+0x12f/0xa40
[ 2868.699091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.699091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.699091][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.699091][   T10]      netlink_unicast+0x449/0x710
[ 2868.699091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.699091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.699091][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.699091][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.699091][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.699091][   T10] 
[ 2868.701146][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.701146][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2868.701146][   T10]      ipv6_find_idev+0x102/0x170
[ 2868.701146][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2868.701146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.701146][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.701146][   T10]      netlink_unicast+0x449/0x710
[ 2868.701146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.701146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.701146][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.701146][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.701146][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.701146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.701146][   T10] 
[ 2868.702768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2868.702768][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2868.702768][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2868.702768][   T10]      ipv6_find_idev+0x102/0x170
[ 2868.702768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2868.702768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.702768][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.702768][   T10]      netlink_unicast+0x449/0x710
[ 2868.702768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.702768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.702768][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.702768][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.702768][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.702768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.702768][   T10] 
[ 2868.704663][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2868.704915][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.704915][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2868.704915][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2868.704915][   T10]      fib6_nh_init+0xa22/0x1580
[ 2868.704915][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.704915][   T10]      ip6_route_add+0x1c/0x140
[ 2868.704915][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2868.704915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.704915][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.704915][   T10]      netlink_unicast+0x449/0x710
[ 2868.704915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.704915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.704915][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.704915][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.704915][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.704915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.704915][   T10] 
[ 2868.706888][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.706888][   T10]      dst_init+0x84/0x4a0
[ 2868.706888][   T10]      dst_alloc+0x97/0x150
[ 2868.706888][   T10]      ip6_dst_alloc+0x23/0x90
[ 2868.706888][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2868.706888][   T10]      ip6_pol_route+0x56f/0x840
[ 2868.706888][   T10]      fib6_rule_lookup+0x456/0x630
[ 2868.706888][   T10]      ip6_route_input+0x59c/0xa50
[ 2868.706888][   T10]      ipv6_rcv+0x397/0x810
[ 2868.706888][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2868.706888][   T10]      process_backlog+0x101/0x620
[ 2868.706888][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2868.706888][   T10]      net_rx_action+0x495/0xbe0
[ 2868.706888][   T10]      __do_softirq+0x1b5/0x7f6
[ 2868.706888][   T10] 
[ 2868.708596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.708596][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.708596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.708596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.708596][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2868.708596][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2868.708596][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2868.708596][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2868.708596][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2868.708596][   T10]      addrconf_dad_begin+0x310/0x670
[ 2868.708596][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2868.708596][   T10]      process_one_work+0x84d/0x18a0
[ 2868.708596][   T10]      worker_thread+0x587/0xd30
[ 2868.708596][   T10]      kthread+0x28a/0x350
[ 2868.708596][   T10]      ret_from_fork+0x31/0x70
[ 2868.708596][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2868.708596][   T10] 
[ 2868.710591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.710591][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.710591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.710591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.710591][   T10]      ip6_route_add+0x1c/0x140
[ 2868.710591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2868.710591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2868.710591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.710591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.710591][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.710591][   T10]      netlink_unicast+0x449/0x710
[ 2868.710591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.710591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.710591][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.710591][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.710591][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.710591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.710591][   T10] 
[ 2868.712685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.712685][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.712685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.712685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.712685][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2868.712685][   T10]      ipv6_add_addr+0x411/0x2000
[ 2868.712685][   T10]      inet6_addr_add+0x30e/0xa40
[ 2868.712685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.712685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.712685][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.712685][   T10]      netlink_unicast+0x449/0x710
[ 2868.712685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.712685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.712685][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.712685][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.712685][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.712685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.712685][   T10] 
[ 2868.714774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.714774][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.714774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.714774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.714774][   T10]      ip6_route_add+0x1c/0x140
[ 2868.714774][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2868.714774][   T10]      addrconf_add_dev+0xe2/0x170
[ 2868.714774][   T10]      inet6_addr_add+0x12f/0xa40
[ 2868.714774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.714774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.714774][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.714774][   T10]      netlink_unicast+0x449/0x710
[ 2868.714774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.714774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.714774][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.714774][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.714774][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.714774][   T10] 
[ 2868.716958][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.716958][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2868.716958][   T10]      ipv6_find_idev+0x102/0x170
[ 2868.716958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2868.716958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.716958][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.716958][   T10]      netlink_unicast+0x449/0x710
[ 2868.716958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.716958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.716958][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.716958][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.716958][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.716958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.716958][   T10] 
[ 2868.718752][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2868.718752][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2868.718752][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2868.718752][   T10]      ipv6_find_idev+0x102/0x170
[ 2868.718752][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2868.718752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.718752][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.718752][   T10]      netlink_unicast+0x449/0x710
[ 2868.718752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.718752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.718752][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.718752][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.718752][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.718752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.718752][   T10] 
[ 2868.720762][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2868.721076][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2868.721076][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.721076][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.721076][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.721076][   T10]      ip6_route_add+0x1c/0x140
[ 2868.721076][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2868.721076][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2868.721076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.721076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.721076][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.721076][   T10]      netlink_unicast+0x449/0x710
[ 2868.721076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.721076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.721076][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.721076][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.721076][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.721076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.721076][   T10] 
[ 2868.723362][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2868.723362][   T10]      netdev_get_by_index+0x5e/0x80
[ 2868.723362][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2868.723362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2868.723362][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2868.723362][   T10]      ipv6_add_addr+0x411/0x2000
[ 2868.723362][   T10]      inet6_addr_add+0x30e/0xa40
[ 2868.723362][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2868.723362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.723362][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.723362][   T10]      netlink_unicast+0x449/0x710
[ 2868.723362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.723362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.723362][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.723362][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.723362][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.723362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.723362][   T10] 
[ 2868.725666][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2868.725666][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2868.725666][   T10]      ipv6_find_idev+0x102/0x170
[ 2868.725666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2868.725666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.725666][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.725666][   T10]      netlink_unicast+0x449/0x710
[ 2868.725666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.725666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.725666][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.725666][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.725666][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.725666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.725666][   T10] 
[ 2868.728008][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2868.728008][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2868.728008][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2868.728008][   T10]      ipv6_find_idev+0x102/0x170
[ 2868.728008][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2868.728008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2868.728008][   T10]      netlink_rcv_skb+0x130/0x360
[ 2868.728008][   T10]      netlink_unicast+0x449/0x710
[ 2868.728008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2868.728008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2868.728008][   T10]      ___sys_sendmsg+0xee/0x170
[ 2868.728008][   T10]      __sys_sendmsg+0xcd/0x170
[ 2868.728008][   T10]      do_syscall_64+0xc6/0x1e0
[ 2868.728008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2868.728008][   T10] 
[ 2878.984873][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2878.985342][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.985342][   T10]      dst_init+0x84/0x4a0
[ 2878.985342][   T10]      dst_alloc+0x97/0x150
[ 2878.985342][   T10]      ip6_dst_alloc+0x23/0x90
[ 2878.985342][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2878.985342][   T10]      ip6_pol_route+0x56f/0x840
[ 2878.985342][   T10]      fib6_rule_lookup+0x456/0x630
[ 2878.985342][   T10]      ip6_route_input+0x59c/0xa50
[ 2878.985342][   T10]      ipv6_rcv+0x397/0x810
[ 2878.985342][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2878.985342][   T10]      process_backlog+0x101/0x620
[ 2878.985342][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2878.985342][   T10]      net_rx_action+0x495/0xbe0
[ 2878.985342][   T10]      __do_softirq+0x1b5/0x7f6
[ 2878.985342][   T10] 
[ 2878.987051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.987051][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2878.987051][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2878.987051][   T10]      fib6_nh_init+0xa22/0x1580
[ 2878.987051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2878.987051][   T10]      ip6_route_add+0x1c/0x140
[ 2878.987051][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2878.987051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2878.987051][   T10]      netlink_rcv_skb+0x130/0x360
[ 2878.987051][   T10]      netlink_unicast+0x449/0x710
[ 2878.987051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2878.987051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2878.987051][   T10]      ___sys_sendmsg+0xee/0x170
[ 2878.987051][   T10]      __sys_sendmsg+0xcd/0x170
[ 2878.987051][   T10]      do_syscall_64+0xc6/0x1e0
[ 2878.987051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2878.987051][   T10] 
[ 2878.989003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.989003][   T10]      netdev_get_by_index+0x5e/0x80
[ 2878.989003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2878.989003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2878.989003][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2878.989003][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2878.989003][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2878.989003][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2878.989003][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2878.989003][   T10]      addrconf_dad_begin+0x310/0x670
[ 2878.989003][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2878.989003][   T10]      process_one_work+0x84d/0x18a0
[ 2878.989003][   T10]      worker_thread+0x587/0xd30
[ 2878.989003][   T10]      kthread+0x28a/0x350
[ 2878.989003][   T10]      ret_from_fork+0x31/0x70
[ 2878.989003][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2878.989003][   T10] 
[ 2878.990997][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.990997][   T10]      netdev_get_by_index+0x5e/0x80
[ 2878.990997][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2878.990997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2878.990997][   T10]      ip6_route_add+0x1c/0x140
[ 2878.990997][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2878.990997][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2878.990997][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2878.990997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2878.990997][   T10]      netlink_rcv_skb+0x130/0x360
[ 2878.990997][   T10]      netlink_unicast+0x449/0x710
[ 2878.990997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2878.990997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2878.990997][   T10]      ___sys_sendmsg+0xee/0x170
[ 2878.990997][   T10]      __sys_sendmsg+0xcd/0x170
[ 2878.990997][   T10]      do_syscall_64+0xc6/0x1e0
[ 2878.990997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2878.990997][   T10] 
[ 2878.993104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.993104][   T10]      netdev_get_by_index+0x5e/0x80
[ 2878.993104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2878.993104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2878.993104][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2878.993104][   T10]      ipv6_add_addr+0x411/0x2000
[ 2878.993104][   T10]      inet6_addr_add+0x30e/0xa40
[ 2878.993104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2878.993104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2878.993104][   T10]      netlink_rcv_skb+0x130/0x360
[ 2878.993104][   T10]      netlink_unicast+0x449/0x710
[ 2878.993104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2878.993104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2878.993104][   T10]      ___sys_sendmsg+0xee/0x170
[ 2878.993104][   T10]      __sys_sendmsg+0xcd/0x170
[ 2878.993104][   T10]      do_syscall_64+0xc6/0x1e0
[ 2878.993104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2878.993104][   T10] 
[ 2878.995148][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.995148][   T10]      netdev_get_by_index+0x5e/0x80
[ 2878.995148][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2878.995148][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2878.995148][   T10]      ip6_route_add+0x1c/0x140
[ 2878.995148][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2878.995148][   T10]      addrconf_add_dev+0xe2/0x170
[ 2878.995148][   T10]      inet6_addr_add+0x12f/0xa40
[ 2878.995148][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2878.995148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2878.995148][   T10]      netlink_rcv_skb+0x130/0x360
[ 2878.995148][   T10]      netlink_unicast+0x449/0x710
[ 2878.995148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2878.995148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2878.995148][   T10]      ___sys_sendmsg+0xee/0x170
[ 2878.995148][   T10]      __sys_sendmsg+0xcd/0x170
[ 2878.995148][   T10]      do_syscall_64+0xc6/0x1e0
[ 2878.995148][   T10] 
[ 2878.997147][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.997147][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2878.997147][   T10]      ipv6_find_idev+0x102/0x170
[ 2878.997147][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2878.997147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2878.997147][   T10]      netlink_rcv_skb+0x130/0x360
[ 2878.997147][   T10]      netlink_unicast+0x449/0x710
[ 2878.997147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2878.997147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2878.997147][   T10]      ___sys_sendmsg+0xee/0x170
[ 2878.997147][   T10]      __sys_sendmsg+0xcd/0x170
[ 2878.997147][   T10]      do_syscall_64+0xc6/0x1e0
[ 2878.997147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2878.997147][   T10] 
[ 2878.999152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2878.999152][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2878.999152][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2878.999152][   T10]      ipv6_find_idev+0x102/0x170
[ 2878.999152][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2878.999152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2878.999152][   T10]      netlink_rcv_skb+0x130/0x360
[ 2878.999152][   T10]      netlink_unicast+0x449/0x710
[ 2878.999152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2878.999152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2878.999152][   T10]      ___sys_sendmsg+0xee/0x170
[ 2878.999152][   T10]      __sys_sendmsg+0xcd/0x170
[ 2878.999152][   T10]      do_syscall_64+0xc6/0x1e0
[ 2878.999152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2878.999152][   T10] 
[ 2879.000877][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2879.001120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.001120][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2879.001120][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2879.001120][   T10]      fib6_nh_init+0xa22/0x1580
[ 2879.001120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2879.001120][   T10]      ip6_route_add+0x1c/0x140
[ 2879.001120][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2879.001120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.001120][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.001120][   T10]      netlink_unicast+0x449/0x710
[ 2879.001120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.001120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.001120][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.001120][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.001120][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.001120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.001120][   T10] 
[ 2879.003048][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.003048][   T10]      dst_init+0x84/0x4a0
[ 2879.003048][   T10]      dst_alloc+0x97/0x150
[ 2879.003048][   T10]      ip6_dst_alloc+0x23/0x90
[ 2879.003048][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2879.003048][   T10]      ip6_pol_route+0x56f/0x840
[ 2879.003048][   T10]      fib6_rule_lookup+0x456/0x630
[ 2879.003048][   T10]      ip6_route_input+0x59c/0xa50
[ 2879.003048][   T10]      ipv6_rcv+0x397/0x810
[ 2879.003048][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2879.003048][   T10]      process_backlog+0x101/0x620
[ 2879.003048][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2879.003048][   T10]      net_rx_action+0x495/0xbe0
[ 2879.003048][   T10]      __do_softirq+0x1b5/0x7f6
[ 2879.003048][   T10] 
[ 2879.004750][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.004750][   T10]      netdev_get_by_index+0x5e/0x80
[ 2879.004750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2879.004750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2879.004750][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2879.004750][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2879.004750][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2879.004750][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2879.004750][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2879.004750][   T10]      addrconf_dad_begin+0x310/0x670
[ 2879.004750][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2879.004750][   T10]      process_one_work+0x84d/0x18a0
[ 2879.004750][   T10]      worker_thread+0x587/0xd30
[ 2879.004750][   T10]      kthread+0x28a/0x350
[ 2879.004750][   T10]      ret_from_fork+0x31/0x70
[ 2879.004750][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2879.004750][   T10] 
[ 2879.006778][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.006778][   T10]      netdev_get_by_index+0x5e/0x80
[ 2879.006778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2879.006778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2879.006778][   T10]      ip6_route_add+0x1c/0x140
[ 2879.006778][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2879.006778][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2879.006778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.006778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.006778][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.006778][   T10]      netlink_unicast+0x449/0x710
[ 2879.006778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.006778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.006778][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.006778][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.006778][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.006778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.006778][   T10] 
[ 2879.008867][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.008867][   T10]      netdev_get_by_index+0x5e/0x80
[ 2879.008867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2879.008867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2879.008867][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2879.008867][   T10]      ipv6_add_addr+0x411/0x2000
[ 2879.008867][   T10]      inet6_addr_add+0x30e/0xa40
[ 2879.008867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.008867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.008867][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.008867][   T10]      netlink_unicast+0x449/0x710
[ 2879.008867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.008867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.008867][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.008867][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.008867][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.008867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.008867][   T10] 
[ 2879.010958][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.010958][   T10]      netdev_get_by_index+0x5e/0x80
[ 2879.010958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2879.010958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2879.010958][   T10]      ip6_route_add+0x1c/0x140
[ 2879.010958][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2879.010958][   T10]      addrconf_add_dev+0xe2/0x170
[ 2879.010958][   T10]      inet6_addr_add+0x12f/0xa40
[ 2879.010958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.010958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.010958][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.010958][   T10]      netlink_unicast+0x449/0x710
[ 2879.010958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.010958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.010958][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.010958][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.010958][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.010958][   T10] 
[ 2879.013141][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.013141][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2879.013141][   T10]      ipv6_find_idev+0x102/0x170
[ 2879.013141][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.013141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.013141][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.013141][   T10]      netlink_unicast+0x449/0x710
[ 2879.013141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.013141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.013141][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.013141][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.013141][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.013141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.013141][   T10] 
[ 2879.014997][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2879.014997][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2879.014997][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2879.014997][   T10]      ipv6_find_idev+0x102/0x170
[ 2879.014997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.014997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.014997][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.014997][   T10]      netlink_unicast+0x449/0x710
[ 2879.014997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.014997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.014997][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.014997][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.014997][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.014997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.014997][   T10] 
[ 2879.016970][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2879.017301][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2879.017301][   T10]      netdev_get_by_index+0x5e/0x80
[ 2879.017301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2879.017301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2879.017301][   T10]      ip6_route_add+0x1c/0x140
[ 2879.017301][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2879.017301][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2879.017301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.017301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.017301][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.017301][   T10]      netlink_unicast+0x449/0x710
[ 2879.017301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.017301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.017301][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.017301][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.017301][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.017301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.017301][   T10] 
[ 2879.019587][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2879.019587][   T10]      netdev_get_by_index+0x5e/0x80
[ 2879.019587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2879.019587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2879.019587][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2879.019587][   T10]      ipv6_add_addr+0x411/0x2000
[ 2879.019587][   T10]      inet6_addr_add+0x30e/0xa40
[ 2879.019587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2879.019587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.019587][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.019587][   T10]      netlink_unicast+0x449/0x710
[ 2879.019587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.019587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.019587][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.019587][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.019587][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.019587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.019587][   T10] 
[ 2879.021868][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2879.021868][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2879.021868][   T10]      ipv6_find_idev+0x102/0x170
[ 2879.021868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.021868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.021868][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.021868][   T10]      netlink_unicast+0x449/0x710
[ 2879.021868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.021868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.021868][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.021868][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.021868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.021868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.021868][   T10] 
[ 2879.023665][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2879.023665][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2879.023665][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2879.023665][   T10]      ipv6_find_idev+0x102/0x170
[ 2879.023665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2879.023665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2879.023665][   T10]      netlink_rcv_skb+0x130/0x360
[ 2879.023665][   T10]      netlink_unicast+0x449/0x710
[ 2879.023665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2879.023665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2879.023665][   T10]      ___sys_sendmsg+0xee/0x170
[ 2879.023665][   T10]      __sys_sendmsg+0xcd/0x170
[ 2879.023665][   T10]      do_syscall_64+0xc6/0x1e0
[ 2879.023665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2879.023665][   T10] 
[ 2889.264845][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2889.265341][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.265341][   T10]      dst_init+0x84/0x4a0
[ 2889.265341][   T10]      dst_alloc+0x97/0x150
[ 2889.265341][   T10]      ip6_dst_alloc+0x23/0x90
[ 2889.265341][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2889.265341][   T10]      ip6_pol_route+0x56f/0x840
[ 2889.265341][   T10]      fib6_rule_lookup+0x456/0x630
[ 2889.265341][   T10]      ip6_route_input+0x59c/0xa50
[ 2889.265341][   T10]      ipv6_rcv+0x397/0x810
[ 2889.265341][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2889.265341][   T10]      process_backlog+0x101/0x620
[ 2889.265341][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2889.265341][   T10]      net_rx_action+0x495/0xbe0
[ 2889.265341][   T10]      __do_softirq+0x1b5/0x7f6
[ 2889.265341][   T10] 
[ 2889.266938][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.266938][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2889.266938][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2889.266938][   T10]      fib6_nh_init+0xa22/0x1580
[ 2889.266938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.266938][   T10]      ip6_route_add+0x1c/0x140
[ 2889.266938][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2889.266938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.266938][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.266938][   T10]      netlink_unicast+0x449/0x710
[ 2889.266938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.266938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.266938][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.266938][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.266938][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.266938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.266938][   T10] 
[ 2889.268797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.268797][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.268797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.268797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.268797][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2889.268797][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2889.268797][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2889.268797][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2889.268797][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2889.268797][   T10]      addrconf_dad_begin+0x310/0x670
[ 2889.268797][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2889.268797][   T10]      process_one_work+0x84d/0x18a0
[ 2889.268797][   T10]      worker_thread+0x587/0xd30
[ 2889.268797][   T10]      kthread+0x28a/0x350
[ 2889.268797][   T10]      ret_from_fork+0x31/0x70
[ 2889.268797][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2889.268797][   T10] 
[ 2889.270701][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.270701][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.270701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.270701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.270701][   T10]      ip6_route_add+0x1c/0x140
[ 2889.270701][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2889.270701][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2889.270701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.270701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.270701][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.270701][   T10]      netlink_unicast+0x449/0x710
[ 2889.270701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.270701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.270701][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.270701][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.270701][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.270701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.270701][   T10] 
[ 2889.272754][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.272754][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.272754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.272754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.272754][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2889.272754][   T10]      ipv6_add_addr+0x411/0x2000
[ 2889.272754][   T10]      inet6_addr_add+0x30e/0xa40
[ 2889.272754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.272754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.272754][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.272754][   T10]      netlink_unicast+0x449/0x710
[ 2889.272754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.272754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.272754][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.272754][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.272754][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.272754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.272754][   T10] 
[ 2889.274746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.274746][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.274746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.274746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.274746][   T10]      ip6_route_add+0x1c/0x140
[ 2889.274746][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2889.274746][   T10]      addrconf_add_dev+0xe2/0x170
[ 2889.274746][   T10]      inet6_addr_add+0x12f/0xa40
[ 2889.274746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.274746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.274746][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.274746][   T10]      netlink_unicast+0x449/0x710
[ 2889.274746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.274746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.274746][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.274746][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.274746][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.274746][   T10] 
[ 2889.276667][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.276667][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2889.276667][   T10]      ipv6_find_idev+0x102/0x170
[ 2889.276667][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.276667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.276667][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.276667][   T10]      netlink_unicast+0x449/0x710
[ 2889.276667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.276667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.276667][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.276667][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.276667][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.276667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.276667][   T10] 
[ 2889.278196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2889.278196][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2889.278196][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2889.278196][   T10]      ipv6_find_idev+0x102/0x170
[ 2889.278196][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.278196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.278196][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.278196][   T10]      netlink_unicast+0x449/0x710
[ 2889.278196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.278196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.278196][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.278196][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.278196][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.278196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.278196][   T10] 
[ 2889.279834][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2889.280082][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.280082][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2889.280082][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2889.280082][   T10]      fib6_nh_init+0xa22/0x1580
[ 2889.280082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.280082][   T10]      ip6_route_add+0x1c/0x140
[ 2889.280082][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2889.280082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.280082][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.280082][   T10]      netlink_unicast+0x449/0x710
[ 2889.280082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.280082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.280082][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.280082][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.280082][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.280082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.280082][   T10] 
[ 2889.281917][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.281917][   T10]      dst_init+0x84/0x4a0
[ 2889.281917][   T10]      dst_alloc+0x97/0x150
[ 2889.281917][   T10]      ip6_dst_alloc+0x23/0x90
[ 2889.281917][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2889.281917][   T10]      ip6_pol_route+0x56f/0x840
[ 2889.281917][   T10]      fib6_rule_lookup+0x456/0x630
[ 2889.281917][   T10]      ip6_route_input+0x59c/0xa50
[ 2889.281917][   T10]      ipv6_rcv+0x397/0x810
[ 2889.281917][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2889.281917][   T10]      process_backlog+0x101/0x620
[ 2889.281917][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2889.281917][   T10]      net_rx_action+0x495/0xbe0
[ 2889.281917][   T10]      __do_softirq+0x1b5/0x7f6
[ 2889.281917][   T10] 
[ 2889.284016][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.284016][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.284016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.284016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.284016][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2889.284016][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2889.284016][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2889.284016][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2889.284016][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2889.284016][   T10]      addrconf_dad_begin+0x310/0x670
[ 2889.284016][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2889.284016][   T10]      process_one_work+0x84d/0x18a0
[ 2889.284016][   T10]      worker_thread+0x587/0xd30
[ 2889.284016][   T10]      kthread+0x28a/0x350
[ 2889.284016][   T10]      ret_from_fork+0x31/0x70
[ 2889.284016][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2889.284016][   T10] 
[ 2889.285843][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.285843][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.285843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.285843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.285843][   T10]      ip6_route_add+0x1c/0x140
[ 2889.285843][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2889.285843][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2889.285843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.285843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.285843][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.285843][   T10]      netlink_unicast+0x449/0x710
[ 2889.285843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.285843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.285843][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.285843][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.285843][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.285843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.285843][   T10] 
[ 2889.287827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.287827][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.287827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.287827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.287827][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2889.287827][   T10]      ipv6_add_addr+0x411/0x2000
[ 2889.287827][   T10]      inet6_addr_add+0x30e/0xa40
[ 2889.287827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.287827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.287827][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.287827][   T10]      netlink_unicast+0x449/0x710
[ 2889.287827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.287827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.287827][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.287827][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.287827][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.287827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.287827][   T10] 
[ 2889.289868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.289868][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.289868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.289868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.289868][   T10]      ip6_route_add+0x1c/0x140
[ 2889.289868][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2889.289868][   T10]      addrconf_add_dev+0xe2/0x170
[ 2889.289868][   T10]      inet6_addr_add+0x12f/0xa40
[ 2889.289868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.289868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.289868][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.289868][   T10]      netlink_unicast+0x449/0x710
[ 2889.289868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.289868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.289868][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.289868][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.289868][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.289868][   T10] 
[ 2889.292060][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.292060][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2889.292060][   T10]      ipv6_find_idev+0x102/0x170
[ 2889.292060][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.292060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.292060][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.292060][   T10]      netlink_unicast+0x449/0x710
[ 2889.292060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.292060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.292060][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.292060][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.292060][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.292060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.292060][   T10] 
[ 2889.293838][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2889.293838][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2889.293838][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2889.293838][   T10]      ipv6_find_idev+0x102/0x170
[ 2889.293838][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.293838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.293838][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.293838][   T10]      netlink_unicast+0x449/0x710
[ 2889.293838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.293838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.293838][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.293838][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.293838][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.293838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.293838][   T10] 
[ 2889.295823][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2889.296065][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2889.296065][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.296065][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.296065][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.296065][   T10]      ip6_route_add+0x1c/0x140
[ 2889.296065][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2889.296065][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2889.296065][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.296065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.296065][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.296065][   T10]      netlink_unicast+0x449/0x710
[ 2889.296065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.296065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.296065][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.296065][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.296065][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.296065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.296065][   T10] 
[ 2889.298340][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2889.298340][   T10]      netdev_get_by_index+0x5e/0x80
[ 2889.298340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2889.298340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2889.298340][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2889.298340][   T10]      ipv6_add_addr+0x411/0x2000
[ 2889.298340][   T10]      inet6_addr_add+0x30e/0xa40
[ 2889.298340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2889.298340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.298340][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.298340][   T10]      netlink_unicast+0x449/0x710
[ 2889.298340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.298340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.298340][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.298340][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.298340][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.298340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.298340][   T10] 
[ 2889.300609][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2889.300609][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2889.300609][   T10]      ipv6_find_idev+0x102/0x170
[ 2889.300609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.300609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.300609][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.300609][   T10]      netlink_unicast+0x449/0x710
[ 2889.300609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.300609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.300609][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.300609][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.300609][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.300609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.300609][   T10] 
[ 2889.302365][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2889.302365][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2889.302365][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2889.302365][   T10]      ipv6_find_idev+0x102/0x170
[ 2889.302365][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2889.302365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2889.302365][   T10]      netlink_rcv_skb+0x130/0x360
[ 2889.302365][   T10]      netlink_unicast+0x449/0x710
[ 2889.302365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2889.302365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2889.302365][   T10]      ___sys_sendmsg+0xee/0x170
[ 2889.302365][   T10]      __sys_sendmsg+0xcd/0x170
[ 2889.302365][   T10]      do_syscall_64+0xc6/0x1e0
[ 2889.302365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2889.302365][   T10] 
[ 2899.368757][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2899.369347][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.369347][   T10]      dst_init+0x84/0x4a0
[ 2899.369347][   T10]      dst_alloc+0x97/0x150
[ 2899.369347][   T10]      ip6_dst_alloc+0x23/0x90
[ 2899.369347][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2899.369347][   T10]      ip6_pol_route+0x56f/0x840
[ 2899.369347][   T10]      fib6_rule_lookup+0x456/0x630
[ 2899.369347][   T10]      ip6_route_input+0x59c/0xa50
[ 2899.369347][   T10]      ipv6_rcv+0x397/0x810
[ 2899.369347][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2899.369347][   T10]      process_backlog+0x101/0x620
[ 2899.369347][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2899.369347][   T10]      net_rx_action+0x495/0xbe0
[ 2899.369347][   T10]      __do_softirq+0x1b5/0x7f6
[ 2899.369347][   T10] 
[ 2899.370991][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.370991][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2899.370991][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2899.370991][   T10]      fib6_nh_init+0xa22/0x1580
[ 2899.370991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.370991][   T10]      ip6_route_add+0x1c/0x140
[ 2899.370991][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2899.370991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.370991][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.370991][   T10]      netlink_unicast+0x449/0x710
[ 2899.370991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.370991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.370991][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.370991][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.370991][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.370991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.370991][   T10] 
[ 2899.372874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.372874][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.372874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.372874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.372874][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2899.372874][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2899.372874][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2899.372874][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2899.372874][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2899.372874][   T10]      addrconf_dad_begin+0x310/0x670
[ 2899.372874][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2899.372874][   T10]      process_one_work+0x84d/0x18a0
[ 2899.372874][   T10]      worker_thread+0x587/0xd30
[ 2899.372874][   T10]      kthread+0x28a/0x350
[ 2899.372874][   T10]      ret_from_fork+0x31/0x70
[ 2899.372874][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2899.372874][   T10] 
[ 2899.374735][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.374735][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.374735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.374735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.374735][   T10]      ip6_route_add+0x1c/0x140
[ 2899.374735][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2899.374735][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2899.374735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.374735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.374735][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.374735][   T10]      netlink_unicast+0x449/0x710
[ 2899.374735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.374735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.374735][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.374735][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.374735][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.374735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.374735][   T10] 
[ 2899.376740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.376740][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.376740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.376740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.376740][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2899.376740][   T10]      ipv6_add_addr+0x411/0x2000
[ 2899.376740][   T10]      inet6_addr_add+0x30e/0xa40
[ 2899.376740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.376740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.376740][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.376740][   T10]      netlink_unicast+0x449/0x710
[ 2899.376740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.376740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.376740][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.376740][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.376740][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.376740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.376740][   T10] 
[ 2899.378733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.378733][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.378733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.378733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.378733][   T10]      ip6_route_add+0x1c/0x140
[ 2899.378733][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2899.378733][   T10]      addrconf_add_dev+0xe2/0x170
[ 2899.378733][   T10]      inet6_addr_add+0x12f/0xa40
[ 2899.378733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.378733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.378733][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.378733][   T10]      netlink_unicast+0x449/0x710
[ 2899.378733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.378733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.378733][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.378733][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.378733][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.378733][   T10] 
[ 2899.380647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.380647][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2899.380647][   T10]      ipv6_find_idev+0x102/0x170
[ 2899.380647][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.380647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.380647][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.380647][   T10]      netlink_unicast+0x449/0x710
[ 2899.380647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.380647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.380647][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.380647][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.380647][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.380647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.380647][   T10] 
[ 2899.382155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2899.382155][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2899.382155][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2899.382155][   T10]      ipv6_find_idev+0x102/0x170
[ 2899.382155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.382155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.382155][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.382155][   T10]      netlink_unicast+0x449/0x710
[ 2899.382155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.382155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.382155][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.382155][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.382155][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.382155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.382155][   T10] 
[ 2899.383806][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2899.384047][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.384047][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2899.384047][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2899.384047][   T10]      fib6_nh_init+0xa22/0x1580
[ 2899.384047][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.384047][   T10]      ip6_route_add+0x1c/0x140
[ 2899.384047][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2899.384047][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.384047][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.384047][   T10]      netlink_unicast+0x449/0x710
[ 2899.384047][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.384047][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.384047][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.384047][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.384047][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.384047][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.384047][   T10] 
[ 2899.385887][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.385887][   T10]      dst_init+0x84/0x4a0
[ 2899.385887][   T10]      dst_alloc+0x97/0x150
[ 2899.385887][   T10]      ip6_dst_alloc+0x23/0x90
[ 2899.385887][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2899.385887][   T10]      ip6_pol_route+0x56f/0x840
[ 2899.385887][   T10]      fib6_rule_lookup+0x456/0x630
[ 2899.385887][   T10]      ip6_route_input+0x59c/0xa50
[ 2899.385887][   T10]      ipv6_rcv+0x397/0x810
[ 2899.385887][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2899.385887][   T10]      process_backlog+0x101/0x620
[ 2899.385887][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2899.385887][   T10]      net_rx_action+0x495/0xbe0
[ 2899.385887][   T10]      __do_softirq+0x1b5/0x7f6
[ 2899.385887][   T10] 
[ 2899.387541][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.387541][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.387541][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.387541][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.387541][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2899.387541][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2899.387541][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2899.387541][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2899.387541][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2899.387541][   T10]      addrconf_dad_begin+0x310/0x670
[ 2899.387541][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2899.387541][   T10]      process_one_work+0x84d/0x18a0
[ 2899.387541][   T10]      worker_thread+0x587/0xd30
[ 2899.387541][   T10]      kthread+0x28a/0x350
[ 2899.387541][   T10]      ret_from_fork+0x31/0x70
[ 2899.387541][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2899.387541][   T10] 
[ 2899.389399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.389399][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.389399][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.389399][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.389399][   T10]      ip6_route_add+0x1c/0x140
[ 2899.389399][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2899.389399][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2899.389399][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.389399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.389399][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.389399][   T10]      netlink_unicast+0x449/0x710
[ 2899.389399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.389399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.389399][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.389399][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.389399][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.389399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.389399][   T10] 
[ 2899.391339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.391339][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.391339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.391339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.391339][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2899.391339][   T10]      ipv6_add_addr+0x411/0x2000
[ 2899.391339][   T10]      inet6_addr_add+0x30e/0xa40
[ 2899.391339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.391339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.391339][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.391339][   T10]      netlink_unicast+0x449/0x710
[ 2899.391339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.391339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.391339][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.391339][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.391339][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.391339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.391339][   T10] 
[ 2899.393344][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.393344][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.393344][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.393344][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.393344][   T10]      ip6_route_add+0x1c/0x140
[ 2899.393344][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2899.393344][   T10]      addrconf_add_dev+0xe2/0x170
[ 2899.393344][   T10]      inet6_addr_add+0x12f/0xa40
[ 2899.393344][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.393344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.393344][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.393344][   T10]      netlink_unicast+0x449/0x710
[ 2899.393344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.393344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.393344][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.393344][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.393344][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.393344][   T10] 
[ 2899.395481][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.395481][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2899.395481][   T10]      ipv6_find_idev+0x102/0x170
[ 2899.395481][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.395481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.395481][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.395481][   T10]      netlink_unicast+0x449/0x710
[ 2899.395481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.395481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.395481][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.395481][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.395481][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.395481][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.395481][   T10] 
[ 2899.397278][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2899.397278][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2899.397278][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2899.397278][   T10]      ipv6_find_idev+0x102/0x170
[ 2899.397278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.397278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.397278][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.397278][   T10]      netlink_unicast+0x449/0x710
[ 2899.397278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.397278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.397278][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.397278][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.397278][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.397278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.397278][   T10] 
[ 2899.399138][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2899.399442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2899.399442][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.399442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.399442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.399442][   T10]      ip6_route_add+0x1c/0x140
[ 2899.399442][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2899.399442][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2899.399442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.399442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.399442][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.399442][   T10]      netlink_unicast+0x449/0x710
[ 2899.399442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.399442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.399442][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.399442][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.399442][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.399442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.399442][   T10] 
[ 2899.401623][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2899.401623][   T10]      netdev_get_by_index+0x5e/0x80
[ 2899.401623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2899.401623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2899.401623][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2899.401623][   T10]      ipv6_add_addr+0x411/0x2000
[ 2899.401623][   T10]      inet6_addr_add+0x30e/0xa40
[ 2899.401623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2899.401623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.401623][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.401623][   T10]      netlink_unicast+0x449/0x710
[ 2899.401623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.401623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.401623][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.401623][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.401623][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.401623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.401623][   T10] 
[ 2899.403884][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2899.403884][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2899.403884][   T10]      ipv6_find_idev+0x102/0x170
[ 2899.403884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.403884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.403884][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.403884][   T10]      netlink_unicast+0x449/0x710
[ 2899.403884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.403884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.403884][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.403884][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.403884][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.403884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.403884][   T10] 
[ 2899.405681][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2899.405681][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2899.405681][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2899.405681][   T10]      ipv6_find_idev+0x102/0x170
[ 2899.405681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2899.405681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2899.405681][   T10]      netlink_rcv_skb+0x130/0x360
[ 2899.405681][   T10]      netlink_unicast+0x449/0x710
[ 2899.405681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2899.405681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2899.405681][   T10]      ___sys_sendmsg+0xee/0x170
[ 2899.405681][   T10]      __sys_sendmsg+0xcd/0x170
[ 2899.405681][   T10]      do_syscall_64+0xc6/0x1e0
[ 2899.405681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2899.405681][   T10] 
[ 2909.481147][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2909.481594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.481594][   T10]      dst_init+0x84/0x4a0
[ 2909.481594][   T10]      dst_alloc+0x97/0x150
[ 2909.481594][   T10]      ip6_dst_alloc+0x23/0x90
[ 2909.481594][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2909.481594][   T10]      ip6_pol_route+0x56f/0x840
[ 2909.481594][   T10]      fib6_rule_lookup+0x456/0x630
[ 2909.481594][   T10]      ip6_route_input+0x59c/0xa50
[ 2909.481594][   T10]      ipv6_rcv+0x397/0x810
[ 2909.481594][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2909.481594][   T10]      process_backlog+0x101/0x620
[ 2909.481594][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2909.481594][   T10]      net_rx_action+0x495/0xbe0
[ 2909.481594][   T10]      __do_softirq+0x1b5/0x7f6
[ 2909.481594][   T10] 
[ 2909.483279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.483279][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2909.483279][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2909.483279][   T10]      fib6_nh_init+0xa22/0x1580
[ 2909.483279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.483279][   T10]      ip6_route_add+0x1c/0x140
[ 2909.483279][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2909.483279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.483279][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.483279][   T10]      netlink_unicast+0x449/0x710
[ 2909.483279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.483279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.483279][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.483279][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.483279][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.483279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.483279][   T10] 
[ 2909.485120][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.485120][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.485120][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.485120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.485120][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2909.485120][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2909.485120][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2909.485120][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2909.485120][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2909.485120][   T10]      addrconf_dad_begin+0x310/0x670
[ 2909.485120][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2909.485120][   T10]      process_one_work+0x84d/0x18a0
[ 2909.485120][   T10]      worker_thread+0x587/0xd30
[ 2909.485120][   T10]      kthread+0x28a/0x350
[ 2909.485120][   T10]      ret_from_fork+0x31/0x70
[ 2909.485120][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2909.485120][   T10] 
[ 2909.487009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.487009][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.487009][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.487009][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.487009][   T10]      ip6_route_add+0x1c/0x140
[ 2909.487009][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2909.487009][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2909.487009][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.487009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.487009][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.487009][   T10]      netlink_unicast+0x449/0x710
[ 2909.487009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.487009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.487009][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.487009][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.487009][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.487009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.487009][   T10] 
[ 2909.489041][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.489041][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.489041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.489041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.489041][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2909.489041][   T10]      ipv6_add_addr+0x411/0x2000
[ 2909.489041][   T10]      inet6_addr_add+0x30e/0xa40
[ 2909.489041][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.489041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.489041][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.489041][   T10]      netlink_unicast+0x449/0x710
[ 2909.489041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.489041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.489041][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.489041][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.489041][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.489041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.489041][   T10] 
[ 2909.491049][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.491049][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.491049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.491049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.491049][   T10]      ip6_route_add+0x1c/0x140
[ 2909.491049][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2909.491049][   T10]      addrconf_add_dev+0xe2/0x170
[ 2909.491049][   T10]      inet6_addr_add+0x12f/0xa40
[ 2909.491049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.491049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.491049][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.491049][   T10]      netlink_unicast+0x449/0x710
[ 2909.491049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.491049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.491049][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.491049][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.491049][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.491049][   T10] 
[ 2909.492994][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.492994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2909.492994][   T10]      ipv6_find_idev+0x102/0x170
[ 2909.492994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.492994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.492994][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.492994][   T10]      netlink_unicast+0x449/0x710
[ 2909.492994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.492994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.492994][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.492994][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.492994][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.492994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.492994][   T10] 
[ 2909.494489][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2909.494489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2909.494489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2909.494489][   T10]      ipv6_find_idev+0x102/0x170
[ 2909.494489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.494489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.494489][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.494489][   T10]      netlink_unicast+0x449/0x710
[ 2909.494489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.494489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.494489][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.494489][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.494489][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.494489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.494489][   T10] 
[ 2909.496171][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2909.496410][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.496410][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2909.496410][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2909.496410][   T10]      fib6_nh_init+0xa22/0x1580
[ 2909.496410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.496410][   T10]      ip6_route_add+0x1c/0x140
[ 2909.496410][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2909.496410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.496410][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.496410][   T10]      netlink_unicast+0x449/0x710
[ 2909.496410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.496410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.496410][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.496410][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.496410][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.496410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.496410][   T10] 
[ 2909.498273][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.498273][   T10]      dst_init+0x84/0x4a0
[ 2909.498273][   T10]      dst_alloc+0x97/0x150
[ 2909.498273][   T10]      ip6_dst_alloc+0x23/0x90
[ 2909.498273][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2909.498273][   T10]      ip6_pol_route+0x56f/0x840
[ 2909.498273][   T10]      fib6_rule_lookup+0x456/0x630
[ 2909.498273][   T10]      ip6_route_input+0x59c/0xa50
[ 2909.498273][   T10]      ipv6_rcv+0x397/0x810
[ 2909.498273][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2909.498273][   T10]      process_backlog+0x101/0x620
[ 2909.498273][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2909.498273][   T10]      net_rx_action+0x495/0xbe0
[ 2909.498273][   T10]      __do_softirq+0x1b5/0x7f6
[ 2909.498273][   T10] 
[ 2909.499905][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.499905][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.499905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.499905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.499905][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2909.499905][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2909.499905][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2909.499905][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2909.499905][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2909.499905][   T10]      addrconf_dad_begin+0x310/0x670
[ 2909.499905][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2909.499905][   T10]      process_one_work+0x84d/0x18a0
[ 2909.499905][   T10]      worker_thread+0x587/0xd30
[ 2909.499905][   T10]      kthread+0x28a/0x350
[ 2909.499905][   T10]      ret_from_fork+0x31/0x70
[ 2909.499905][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2909.499905][   T10] 
[ 2909.501813][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.501813][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.501813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.501813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.501813][   T10]      ip6_route_add+0x1c/0x140
[ 2909.501813][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2909.501813][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2909.501813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.501813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.501813][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.501813][   T10]      netlink_unicast+0x449/0x710
[ 2909.501813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.501813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.501813][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.501813][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.501813][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.501813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.501813][   T10] 
[ 2909.503819][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.503819][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.503819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.503819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.503819][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2909.503819][   T10]      ipv6_add_addr+0x411/0x2000
[ 2909.503819][   T10]      inet6_addr_add+0x30e/0xa40
[ 2909.503819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.503819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.503819][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.503819][   T10]      netlink_unicast+0x449/0x710
[ 2909.503819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.503819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.503819][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.503819][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.503819][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.503819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.503819][   T10] 
[ 2909.505808][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.505808][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.505808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.505808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.505808][   T10]      ip6_route_add+0x1c/0x140
[ 2909.505808][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2909.505808][   T10]      addrconf_add_dev+0xe2/0x170
[ 2909.505808][   T10]      inet6_addr_add+0x12f/0xa40
[ 2909.505808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.505808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.505808][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.505808][   T10]      netlink_unicast+0x449/0x710
[ 2909.505808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.505808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.505808][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.505808][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.505808][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.505808][   T10] 
[ 2909.507943][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.507943][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2909.507943][   T10]      ipv6_find_idev+0x102/0x170
[ 2909.507943][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.507943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.507943][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.507943][   T10]      netlink_unicast+0x449/0x710
[ 2909.507943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.507943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.507943][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.507943][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.507943][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.507943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.507943][   T10] 
[ 2909.509660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2909.509660][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2909.509660][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2909.509660][   T10]      ipv6_find_idev+0x102/0x170
[ 2909.509660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.509660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.509660][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.509660][   T10]      netlink_unicast+0x449/0x710
[ 2909.509660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.509660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.509660][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.509660][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.509660][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.509660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.509660][   T10] 
[ 2909.511608][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2909.512826][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2909.512826][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.512826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.512826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.512826][   T10]      ip6_route_add+0x1c/0x140
[ 2909.512826][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2909.512826][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2909.512826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.512826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.512826][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.512826][   T10]      netlink_unicast+0x449/0x710
[ 2909.512826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.512826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.512826][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.512826][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.512826][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.512826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.512826][   T10] 
[ 2909.515029][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2909.515029][   T10]      netdev_get_by_index+0x5e/0x80
[ 2909.515029][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2909.515029][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2909.515029][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2909.515029][   T10]      ipv6_add_addr+0x411/0x2000
[ 2909.515029][   T10]      inet6_addr_add+0x30e/0xa40
[ 2909.515029][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2909.515029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.515029][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.515029][   T10]      netlink_unicast+0x449/0x710
[ 2909.515029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.515029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.515029][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.515029][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.515029][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.515029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.515029][   T10] 
[ 2909.517261][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2909.517261][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2909.517261][   T10]      ipv6_find_idev+0x102/0x170
[ 2909.517261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.517261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.517261][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.517261][   T10]      netlink_unicast+0x449/0x710
[ 2909.517261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.517261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.517261][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.517261][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.517261][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.517261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.517261][   T10] 
[ 2909.518985][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2909.518985][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2909.518985][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2909.518985][   T10]      ipv6_find_idev+0x102/0x170
[ 2909.518985][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2909.518985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2909.518985][   T10]      netlink_rcv_skb+0x130/0x360
[ 2909.518985][   T10]      netlink_unicast+0x449/0x710
[ 2909.518985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2909.518985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2909.518985][   T10]      ___sys_sendmsg+0xee/0x170
[ 2909.518985][   T10]      __sys_sendmsg+0xcd/0x170
[ 2909.518985][   T10]      do_syscall_64+0xc6/0x1e0
[ 2909.518985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2909.518985][   T10] 
[ 2919.761157][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2919.761613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.761613][   T10]      dst_init+0x84/0x4a0
[ 2919.761613][   T10]      dst_alloc+0x97/0x150
[ 2919.761613][   T10]      ip6_dst_alloc+0x23/0x90
[ 2919.761613][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2919.761613][   T10]      ip6_pol_route+0x56f/0x840
[ 2919.761613][   T10]      fib6_rule_lookup+0x456/0x630
[ 2919.761613][   T10]      ip6_route_input+0x59c/0xa50
[ 2919.761613][   T10]      ipv6_rcv+0x397/0x810
[ 2919.761613][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2919.761613][   T10]      process_backlog+0x101/0x620
[ 2919.761613][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2919.761613][   T10]      net_rx_action+0x495/0xbe0
[ 2919.761613][   T10]      __do_softirq+0x1b5/0x7f6
[ 2919.761613][   T10] 
[ 2919.763289][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.763289][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2919.763289][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2919.763289][   T10]      fib6_nh_init+0xa22/0x1580
[ 2919.763289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.763289][   T10]      ip6_route_add+0x1c/0x140
[ 2919.763289][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2919.763289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.763289][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.763289][   T10]      netlink_unicast+0x449/0x710
[ 2919.763289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.763289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.763289][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.763289][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.763289][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.763289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.763289][   T10] 
[ 2919.765141][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.765141][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.765141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.765141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.765141][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2919.765141][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2919.765141][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2919.765141][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2919.765141][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2919.765141][   T10]      addrconf_dad_begin+0x310/0x670
[ 2919.765141][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2919.765141][   T10]      process_one_work+0x84d/0x18a0
[ 2919.765141][   T10]      worker_thread+0x587/0xd30
[ 2919.765141][   T10]      kthread+0x28a/0x350
[ 2919.765141][   T10]      ret_from_fork+0x31/0x70
[ 2919.765141][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2919.765141][   T10] 
[ 2919.767000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.767000][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.767000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.767000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.767000][   T10]      ip6_route_add+0x1c/0x140
[ 2919.767000][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2919.767000][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2919.767000][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.767000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.767000][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.767000][   T10]      netlink_unicast+0x449/0x710
[ 2919.767000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.767000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.767000][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.767000][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.767000][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.767000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.767000][   T10] 
[ 2919.768956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.768956][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.768956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.768956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.768956][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2919.768956][   T10]      ipv6_add_addr+0x411/0x2000
[ 2919.768956][   T10]      inet6_addr_add+0x30e/0xa40
[ 2919.768956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.768956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.768956][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.768956][   T10]      netlink_unicast+0x449/0x710
[ 2919.768956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.768956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.768956][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.768956][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.768956][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.768956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.768956][   T10] 
[ 2919.770904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.770904][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.770904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.770904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.770904][   T10]      ip6_route_add+0x1c/0x140
[ 2919.770904][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2919.770904][   T10]      addrconf_add_dev+0xe2/0x170
[ 2919.770904][   T10]      inet6_addr_add+0x12f/0xa40
[ 2919.770904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.770904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.770904][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.770904][   T10]      netlink_unicast+0x449/0x710
[ 2919.770904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.770904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.770904][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.770904][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.770904][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.770904][   T10] 
[ 2919.772863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.772863][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2919.772863][   T10]      ipv6_find_idev+0x102/0x170
[ 2919.772863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.772863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.772863][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.772863][   T10]      netlink_unicast+0x449/0x710
[ 2919.772863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.772863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.772863][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.772863][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.772863][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.772863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.772863][   T10] 
[ 2919.774416][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2919.774416][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2919.774416][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2919.774416][   T10]      ipv6_find_idev+0x102/0x170
[ 2919.774416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.774416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.774416][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.774416][   T10]      netlink_unicast+0x449/0x710
[ 2919.774416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.774416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.774416][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.774416][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.774416][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.774416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.774416][   T10] 
[ 2919.776120][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2919.776376][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.776376][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2919.776376][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2919.776376][   T10]      fib6_nh_init+0xa22/0x1580
[ 2919.776376][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.776376][   T10]      ip6_route_add+0x1c/0x140
[ 2919.776376][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2919.776376][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.776376][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.776376][   T10]      netlink_unicast+0x449/0x710
[ 2919.776376][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.776376][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.776376][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.776376][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.776376][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.776376][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.776376][   T10] 
[ 2919.778216][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.778216][   T10]      dst_init+0x84/0x4a0
[ 2919.778216][   T10]      dst_alloc+0x97/0x150
[ 2919.778216][   T10]      ip6_dst_alloc+0x23/0x90
[ 2919.778216][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2919.778216][   T10]      ip6_pol_route+0x56f/0x840
[ 2919.778216][   T10]      fib6_rule_lookup+0x456/0x630
[ 2919.778216][   T10]      ip6_route_input+0x59c/0xa50
[ 2919.778216][   T10]      ipv6_rcv+0x397/0x810
[ 2919.778216][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2919.778216][   T10]      process_backlog+0x101/0x620
[ 2919.778216][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2919.778216][   T10]      net_rx_action+0x495/0xbe0
[ 2919.778216][   T10]      __do_softirq+0x1b5/0x7f6
[ 2919.778216][   T10] 
[ 2919.779808][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.779808][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.779808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.779808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.779808][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2919.779808][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2919.779808][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2919.779808][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2919.779808][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2919.779808][   T10]      addrconf_dad_begin+0x310/0x670
[ 2919.779808][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2919.779808][   T10]      process_one_work+0x84d/0x18a0
[ 2919.779808][   T10]      worker_thread+0x587/0xd30
[ 2919.779808][   T10]      kthread+0x28a/0x350
[ 2919.779808][   T10]      ret_from_fork+0x31/0x70
[ 2919.779808][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2919.779808][   T10] 
[ 2919.781686][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.781686][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.781686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.781686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.781686][   T10]      ip6_route_add+0x1c/0x140
[ 2919.781686][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2919.781686][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2919.781686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.781686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.781686][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.781686][   T10]      netlink_unicast+0x449/0x710
[ 2919.781686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.781686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.781686][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.781686][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.781686][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.781686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.781686][   T10] 
[ 2919.783691][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.783691][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.783691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.783691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.783691][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2919.783691][   T10]      ipv6_add_addr+0x411/0x2000
[ 2919.783691][   T10]      inet6_addr_add+0x30e/0xa40
[ 2919.783691][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.783691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.783691][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.783691][   T10]      netlink_unicast+0x449/0x710
[ 2919.783691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.783691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.783691][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.783691][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.783691][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.783691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.783691][   T10] 
[ 2919.785694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.785694][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.785694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.785694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.785694][   T10]      ip6_route_add+0x1c/0x140
[ 2919.785694][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2919.785694][   T10]      addrconf_add_dev+0xe2/0x170
[ 2919.785694][   T10]      inet6_addr_add+0x12f/0xa40
[ 2919.785694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.785694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.785694][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.785694][   T10]      netlink_unicast+0x449/0x710
[ 2919.785694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.785694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.785694][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.785694][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.785694][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.785694][   T10] 
[ 2919.787858][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.787858][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2919.787858][   T10]      ipv6_find_idev+0x102/0x170
[ 2919.787858][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.787858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.787858][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.787858][   T10]      netlink_unicast+0x449/0x710
[ 2919.787858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.787858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.787858][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.787858][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.787858][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.787858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.787858][   T10] 
[ 2919.789661][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2919.789661][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2919.789661][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2919.789661][   T10]      ipv6_find_idev+0x102/0x170
[ 2919.789661][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.789661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.789661][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.789661][   T10]      netlink_unicast+0x449/0x710
[ 2919.789661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.789661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.789661][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.789661][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.789661][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.789661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.789661][   T10] 
[ 2919.791557][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2919.791865][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2919.791865][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.791865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.791865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.791865][   T10]      ip6_route_add+0x1c/0x140
[ 2919.791865][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2919.791865][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2919.791865][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.791865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.791865][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.791865][   T10]      netlink_unicast+0x449/0x710
[ 2919.791865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.791865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.791865][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.791865][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.791865][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.791865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.791865][   T10] 
[ 2919.794051][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2919.794051][   T10]      netdev_get_by_index+0x5e/0x80
[ 2919.794051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2919.794051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2919.794051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2919.794051][   T10]      ipv6_add_addr+0x411/0x2000
[ 2919.794051][   T10]      inet6_addr_add+0x30e/0xa40
[ 2919.794051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2919.794051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.794051][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.794051][   T10]      netlink_unicast+0x449/0x710
[ 2919.794051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.794051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.794051][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.794051][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.794051][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.794051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.794051][   T10] 
[ 2919.796292][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2919.796292][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2919.796292][   T10]      ipv6_find_idev+0x102/0x170
[ 2919.796292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.796292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.796292][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.796292][   T10]      netlink_unicast+0x449/0x710
[ 2919.796292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.796292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.796292][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.796292][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.796292][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.796292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.796292][   T10] 
[ 2919.798071][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2919.798071][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2919.798071][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2919.798071][   T10]      ipv6_find_idev+0x102/0x170
[ 2919.798071][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2919.798071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2919.798071][   T10]      netlink_rcv_skb+0x130/0x360
[ 2919.798071][   T10]      netlink_unicast+0x449/0x710
[ 2919.798071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2919.798071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2919.798071][   T10]      ___sys_sendmsg+0xee/0x170
[ 2919.798071][   T10]      __sys_sendmsg+0xcd/0x170
[ 2919.798071][   T10]      do_syscall_64+0xc6/0x1e0
[ 2919.798071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2919.798071][   T10] 
[ 2930.040786][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2930.041282][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.041282][   T10]      dst_init+0x84/0x4a0
[ 2930.041282][   T10]      dst_alloc+0x97/0x150
[ 2930.041282][   T10]      ip6_dst_alloc+0x23/0x90
[ 2930.041282][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2930.041282][   T10]      ip6_pol_route+0x56f/0x840
[ 2930.041282][   T10]      fib6_rule_lookup+0x456/0x630
[ 2930.041282][   T10]      ip6_route_input+0x59c/0xa50
[ 2930.041282][   T10]      ipv6_rcv+0x397/0x810
[ 2930.041282][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2930.041282][   T10]      process_backlog+0x101/0x620
[ 2930.041282][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2930.041282][   T10]      net_rx_action+0x495/0xbe0
[ 2930.041282][   T10]      __do_softirq+0x1b5/0x7f6
[ 2930.041282][   T10] 
[ 2930.042936][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.042936][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2930.042936][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2930.042936][   T10]      fib6_nh_init+0xa22/0x1580
[ 2930.042936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.042936][   T10]      ip6_route_add+0x1c/0x140
[ 2930.042936][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2930.042936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.042936][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.042936][   T10]      netlink_unicast+0x449/0x710
[ 2930.042936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.042936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.042936][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.042936][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.042936][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.042936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.042936][   T10] 
[ 2930.044798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.044798][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.044798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.044798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.044798][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2930.044798][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2930.044798][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2930.044798][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2930.044798][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2930.044798][   T10]      addrconf_dad_begin+0x310/0x670
[ 2930.044798][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2930.044798][   T10]      process_one_work+0x84d/0x18a0
[ 2930.044798][   T10]      worker_thread+0x587/0xd30
[ 2930.044798][   T10]      kthread+0x28a/0x350
[ 2930.044798][   T10]      ret_from_fork+0x31/0x70
[ 2930.044798][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2930.044798][   T10] 
[ 2930.046710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.046710][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.046710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.046710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.046710][   T10]      ip6_route_add+0x1c/0x140
[ 2930.046710][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2930.046710][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2930.046710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.046710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.046710][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.046710][   T10]      netlink_unicast+0x449/0x710
[ 2930.046710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.046710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.046710][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.046710][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.046710][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.046710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.046710][   T10] 
[ 2930.048697][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.048697][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.048697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.048697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.048697][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2930.048697][   T10]      ipv6_add_addr+0x411/0x2000
[ 2930.048697][   T10]      inet6_addr_add+0x30e/0xa40
[ 2930.048697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.048697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.048697][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.048697][   T10]      netlink_unicast+0x449/0x710
[ 2930.048697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.048697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.048697][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.048697][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.048697][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.048697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.048697][   T10] 
[ 2930.050716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.050716][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.050716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.050716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.050716][   T10]      ip6_route_add+0x1c/0x140
[ 2930.050716][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2930.050716][   T10]      addrconf_add_dev+0xe2/0x170
[ 2930.050716][   T10]      inet6_addr_add+0x12f/0xa40
[ 2930.050716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.050716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.050716][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.050716][   T10]      netlink_unicast+0x449/0x710
[ 2930.050716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.050716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.050716][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.050716][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.050716][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.050716][   T10] 
[ 2930.052675][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.052675][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2930.052675][   T10]      ipv6_find_idev+0x102/0x170
[ 2930.052675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2930.052675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.052675][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.052675][   T10]      netlink_unicast+0x449/0x710
[ 2930.052675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.052675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.052675][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.052675][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.052675][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.052675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.052675][   T10] 
[ 2930.054193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2930.054193][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2930.054193][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2930.054193][   T10]      ipv6_find_idev+0x102/0x170
[ 2930.054193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2930.054193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.054193][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.054193][   T10]      netlink_unicast+0x449/0x710
[ 2930.054193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.054193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.054193][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.054193][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.054193][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.054193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.054193][   T10] 
[ 2930.055836][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2930.056071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.056071][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2930.056071][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2930.056071][   T10]      fib6_nh_init+0xa22/0x1580
[ 2930.056071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.056071][   T10]      ip6_route_add+0x1c/0x140
[ 2930.056071][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2930.056071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.056071][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.056071][   T10]      netlink_unicast+0x449/0x710
[ 2930.056071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.056071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.056071][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.056071][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.056071][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.056071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.056071][   T10] 
[ 2930.057898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.057898][   T10]      dst_init+0x84/0x4a0
[ 2930.057898][   T10]      dst_alloc+0x97/0x150
[ 2930.057898][   T10]      ip6_dst_alloc+0x23/0x90
[ 2930.057898][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2930.057898][   T10]      ip6_pol_route+0x56f/0x840
[ 2930.057898][   T10]      fib6_rule_lookup+0x456/0x630
[ 2930.057898][   T10]      ip6_route_input+0x59c/0xa50
[ 2930.057898][   T10]      ipv6_rcv+0x397/0x810
[ 2930.057898][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2930.057898][   T10]      process_backlog+0x101/0x620
[ 2930.057898][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2930.057898][   T10]      net_rx_action+0x495/0xbe0
[ 2930.057898][   T10]      __do_softirq+0x1b5/0x7f6
[ 2930.057898][   T10] 
[ 2930.059479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.059479][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.059479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.059479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.059479][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2930.059479][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2930.059479][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2930.059479][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2930.059479][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2930.059479][   T10]      addrconf_dad_begin+0x310/0x670
[ 2930.059479][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2930.059479][   T10]      process_one_work+0x84d/0x18a0
[ 2930.059479][   T10]      worker_thread+0x587/0xd30
[ 2930.059479][   T10]      kthread+0x28a/0x350
[ 2930.059479][   T10]      ret_from_fork+0x31/0x70
[ 2930.059479][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2930.059479][   T10] 
[ 2930.061386][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.061386][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.061386][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.061386][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.061386][   T10]      ip6_route_add+0x1c/0x140
[ 2930.061386][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2930.061386][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2930.061386][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.061386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.061386][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.061386][   T10]      netlink_unicast+0x449/0x710
[ 2930.061386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.061386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.061386][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.061386][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.061386][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.061386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.061386][   T10] 
[ 2930.063384][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.063384][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.063384][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.063384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.063384][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2930.063384][   T10]      ipv6_add_addr+0x411/0x2000
[ 2930.063384][   T10]      inet6_addr_add+0x30e/0xa40
[ 2930.063384][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.063384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.063384][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.063384][   T10]      netlink_unicast+0x449/0x710
[ 2930.063384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.063384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.063384][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.063384][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.063384][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.063384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.063384][   T10] 
[ 2930.065346][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.065346][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.065346][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.065346][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.065346][   T10]      ip6_route_add+0x1c/0x140
[ 2930.065346][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2930.065346][   T10]      addrconf_add_dev+0xe2/0x170
[ 2930.065346][   T10]      inet6_addr_add+0x12f/0xa40
[ 2930.065346][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.065346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.065346][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.065346][   T10]      netlink_unicast+0x449/0x710
[ 2930.065346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.065346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.065346][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.065346][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.065346][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.065346][   T10] 
[ 2930.067483][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.067483][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2930.067483][   T10]      ipv6_find_idev+0x102/0x170
[ 2930.067483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2930.067483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.067483][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.067483][   T10]      netlink_unicast+0x449/0x710
[ 2930.067483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.067483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.067483][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.067483][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.067483][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.067483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.067483][   T10] 
[ 2930.069212][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2930.069212][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2930.069212][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2930.069212][   T10]      ipv6_find_idev+0x102/0x170
[ 2930.069212][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2930.069212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.069212][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.069212][   T10]      netlink_unicast+0x449/0x710
[ 2930.069212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.069212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.069212][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.069212][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.069212][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.069212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.069212][   T10] 
[ 2930.071142][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2930.071442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2930.071442][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.071442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.071442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.071442][   T10]      ip6_route_add+0x1c/0x140
[ 2930.071442][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2930.071442][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2930.071442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.071442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.071442][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.071442][   T10]      netlink_unicast+0x449/0x710
[ 2930.071442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.071442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.071442][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.071442][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.071442][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.071442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.071442][   T10] 
[ 2930.073598][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2930.073598][   T10]      netdev_get_by_index+0x5e/0x80
[ 2930.073598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2930.073598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2930.073598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2930.073598][   T10]      ipv6_add_addr+0x411/0x2000
[ 2930.073598][   T10]      inet6_addr_add+0x30e/0xa40
[ 2930.073598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2930.073598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.073598][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.073598][   T10]      netlink_unicast+0x449/0x710
[ 2930.073598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.073598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.073598][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.073598][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.073598][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.073598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.073598][   T10] 
[ 2930.075850][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2930.075850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2930.075850][   T10]      ipv6_find_idev+0x102/0x170
[ 2930.075850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2930.075850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.075850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.075850][   T10]      netlink_unicast+0x449/0x710
[ 2930.075850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.075850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.075850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.075850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.075850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.075850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.075850][   T10] 
[ 2930.077542][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2930.077542][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2930.077542][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2930.077542][   T10]      ipv6_find_idev+0x102/0x170
[ 2930.077542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2930.077542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2930.077542][   T10]      netlink_rcv_skb+0x130/0x360
[ 2930.077542][   T10]      netlink_unicast+0x449/0x710
[ 2930.077542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2930.077542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2930.077542][   T10]      ___sys_sendmsg+0xee/0x170
[ 2930.077542][   T10]      __sys_sendmsg+0xcd/0x170
[ 2930.077542][   T10]      do_syscall_64+0xc6/0x1e0
[ 2930.077542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2930.077542][   T10] 
[ 2940.321277][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2940.321786][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.321786][   T10]      dst_init+0x84/0x4a0
[ 2940.321786][   T10]      dst_alloc+0x97/0x150
[ 2940.321786][   T10]      ip6_dst_alloc+0x23/0x90
[ 2940.321786][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2940.321786][   T10]      ip6_pol_route+0x56f/0x840
[ 2940.321786][   T10]      fib6_rule_lookup+0x456/0x630
[ 2940.321786][   T10]      ip6_route_input+0x59c/0xa50
[ 2940.321786][   T10]      ipv6_rcv+0x397/0x810
[ 2940.321786][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2940.321786][   T10]      process_backlog+0x101/0x620
[ 2940.321786][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2940.321786][   T10]      net_rx_action+0x495/0xbe0
[ 2940.321786][   T10]      __do_softirq+0x1b5/0x7f6
[ 2940.321786][   T10] 
[ 2940.323477][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.323477][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2940.323477][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2940.323477][   T10]      fib6_nh_init+0xa22/0x1580
[ 2940.323477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.323477][   T10]      ip6_route_add+0x1c/0x140
[ 2940.323477][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2940.323477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.323477][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.323477][   T10]      netlink_unicast+0x449/0x710
[ 2940.323477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.323477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.323477][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.323477][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.323477][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.323477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.323477][   T10] 
[ 2940.325314][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.325314][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.325314][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.325314][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.325314][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2940.325314][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2940.325314][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2940.325314][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2940.325314][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2940.325314][   T10]      addrconf_dad_begin+0x310/0x670
[ 2940.325314][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2940.325314][   T10]      process_one_work+0x84d/0x18a0
[ 2940.325314][   T10]      worker_thread+0x587/0xd30
[ 2940.325314][   T10]      kthread+0x28a/0x350
[ 2940.325314][   T10]      ret_from_fork+0x31/0x70
[ 2940.325314][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2940.325314][   T10] 
[ 2940.327224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.327224][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.327224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.327224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.327224][   T10]      ip6_route_add+0x1c/0x140
[ 2940.327224][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2940.327224][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2940.327224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.327224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.327224][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.327224][   T10]      netlink_unicast+0x449/0x710
[ 2940.327224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.327224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.327224][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.327224][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.327224][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.327224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.327224][   T10] 
[ 2940.329247][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.329247][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.329247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.329247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.329247][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2940.329247][   T10]      ipv6_add_addr+0x411/0x2000
[ 2940.329247][   T10]      inet6_addr_add+0x30e/0xa40
[ 2940.329247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.329247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.329247][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.329247][   T10]      netlink_unicast+0x449/0x710
[ 2940.329247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.329247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.329247][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.329247][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.329247][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.329247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.329247][   T10] 
[ 2940.331257][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.331257][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.331257][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.331257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.331257][   T10]      ip6_route_add+0x1c/0x140
[ 2940.331257][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2940.331257][   T10]      addrconf_add_dev+0xe2/0x170
[ 2940.331257][   T10]      inet6_addr_add+0x12f/0xa40
[ 2940.331257][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.331257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.331257][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.331257][   T10]      netlink_unicast+0x449/0x710
[ 2940.331257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.331257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.331257][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.331257][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.331257][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.331257][   T10] 
[ 2940.333226][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.333226][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2940.333226][   T10]      ipv6_find_idev+0x102/0x170
[ 2940.333226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.333226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.333226][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.333226][   T10]      netlink_unicast+0x449/0x710
[ 2940.333226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.333226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.333226][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.333226][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.333226][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.333226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.333226][   T10] 
[ 2940.334777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2940.334777][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2940.334777][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2940.334777][   T10]      ipv6_find_idev+0x102/0x170
[ 2940.334777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.334777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.334777][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.334777][   T10]      netlink_unicast+0x449/0x710
[ 2940.334777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.334777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.334777][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.334777][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.334777][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.334777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.334777][   T10] 
[ 2940.336493][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2940.336756][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.336756][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2940.336756][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2940.336756][   T10]      fib6_nh_init+0xa22/0x1580
[ 2940.336756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.336756][   T10]      ip6_route_add+0x1c/0x140
[ 2940.336756][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2940.336756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.336756][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.336756][   T10]      netlink_unicast+0x449/0x710
[ 2940.336756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.336756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.336756][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.336756][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.336756][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.336756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.336756][   T10] 
[ 2940.338660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.338660][   T10]      dst_init+0x84/0x4a0
[ 2940.338660][   T10]      dst_alloc+0x97/0x150
[ 2940.338660][   T10]      ip6_dst_alloc+0x23/0x90
[ 2940.338660][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2940.338660][   T10]      ip6_pol_route+0x56f/0x840
[ 2940.338660][   T10]      fib6_rule_lookup+0x456/0x630
[ 2940.338660][   T10]      ip6_route_input+0x59c/0xa50
[ 2940.338660][   T10]      ipv6_rcv+0x397/0x810
[ 2940.338660][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2940.338660][   T10]      process_backlog+0x101/0x620
[ 2940.338660][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2940.338660][   T10]      net_rx_action+0x495/0xbe0
[ 2940.338660][   T10]      __do_softirq+0x1b5/0x7f6
[ 2940.338660][   T10] 
[ 2940.340298][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.340298][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.340298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.340298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.340298][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2940.340298][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2940.340298][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2940.340298][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2940.340298][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2940.340298][   T10]      addrconf_dad_begin+0x310/0x670
[ 2940.340298][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2940.340298][   T10]      process_one_work+0x84d/0x18a0
[ 2940.340298][   T10]      worker_thread+0x587/0xd30
[ 2940.340298][   T10]      kthread+0x28a/0x350
[ 2940.340298][   T10]      ret_from_fork+0x31/0x70
[ 2940.340298][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2940.340298][   T10] 
[ 2940.342248][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.342248][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.342248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.342248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.342248][   T10]      ip6_route_add+0x1c/0x140
[ 2940.342248][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2940.342248][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2940.342248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.342248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.342248][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.342248][   T10]      netlink_unicast+0x449/0x710
[ 2940.342248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.342248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.342248][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.342248][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.342248][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.342248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.342248][   T10] 
[ 2940.344254][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.344254][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.344254][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.344254][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.344254][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2940.344254][   T10]      ipv6_add_addr+0x411/0x2000
[ 2940.344254][   T10]      inet6_addr_add+0x30e/0xa40
[ 2940.344254][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.344254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.344254][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.344254][   T10]      netlink_unicast+0x449/0x710
[ 2940.344254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.344254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.344254][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.344254][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.344254][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.344254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.344254][   T10] 
[ 2940.346247][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.346247][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.346247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.346247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.346247][   T10]      ip6_route_add+0x1c/0x140
[ 2940.346247][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2940.346247][   T10]      addrconf_add_dev+0xe2/0x170
[ 2940.346247][   T10]      inet6_addr_add+0x12f/0xa40
[ 2940.346247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.346247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.346247][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.346247][   T10]      netlink_unicast+0x449/0x710
[ 2940.346247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.346247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.346247][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.346247][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.346247][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.346247][   T10] 
[ 2940.348391][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.348391][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2940.348391][   T10]      ipv6_find_idev+0x102/0x170
[ 2940.348391][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.348391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.348391][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.348391][   T10]      netlink_unicast+0x449/0x710
[ 2940.348391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.348391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.348391][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.348391][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.348391][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.348391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.348391][   T10] 
[ 2940.350171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2940.350171][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2940.350171][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2940.350171][   T10]      ipv6_find_idev+0x102/0x170
[ 2940.350171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.350171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.350171][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.350171][   T10]      netlink_unicast+0x449/0x710
[ 2940.350171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.350171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.350171][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.350171][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.350171][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.350171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.350171][   T10] 
[ 2940.352053][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2940.352348][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2940.352348][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.352348][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.352348][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.352348][   T10]      ip6_route_add+0x1c/0x140
[ 2940.352348][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2940.352348][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2940.352348][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.352348][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.352348][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.352348][   T10]      netlink_unicast+0x449/0x710
[ 2940.352348][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.352348][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.352348][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.352348][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.352348][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.352348][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.352348][   T10] 
[ 2940.354529][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2940.354529][   T10]      netdev_get_by_index+0x5e/0x80
[ 2940.354529][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2940.354529][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2940.354529][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2940.354529][   T10]      ipv6_add_addr+0x411/0x2000
[ 2940.354529][   T10]      inet6_addr_add+0x30e/0xa40
[ 2940.354529][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2940.354529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.354529][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.354529][   T10]      netlink_unicast+0x449/0x710
[ 2940.354529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.354529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.354529][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.354529][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.354529][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.354529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.354529][   T10] 
[ 2940.356779][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2940.356779][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2940.356779][   T10]      ipv6_find_idev+0x102/0x170
[ 2940.356779][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.356779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.356779][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.356779][   T10]      netlink_unicast+0x449/0x710
[ 2940.356779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.356779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.356779][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.356779][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.356779][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.356779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.356779][   T10] 
[ 2940.358590][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2940.358590][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2940.358590][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2940.358590][   T10]      ipv6_find_idev+0x102/0x170
[ 2940.358590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2940.358590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2940.358590][   T10]      netlink_rcv_skb+0x130/0x360
[ 2940.358590][   T10]      netlink_unicast+0x449/0x710
[ 2940.358590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2940.358590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2940.358590][   T10]      ___sys_sendmsg+0xee/0x170
[ 2940.358590][   T10]      __sys_sendmsg+0xcd/0x170
[ 2940.358590][   T10]      do_syscall_64+0xc6/0x1e0
[ 2940.358590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2940.358590][   T10] 
[ 2950.360755][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2950.361416][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.361416][   T10]      dst_init+0x84/0x4a0
[ 2950.361416][   T10]      dst_alloc+0x97/0x150
[ 2950.361416][   T10]      ip6_dst_alloc+0x23/0x90
[ 2950.361416][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2950.361416][   T10]      ip6_pol_route+0x56f/0x840
[ 2950.361416][   T10]      fib6_rule_lookup+0x456/0x630
[ 2950.361416][   T10]      ip6_route_input+0x59c/0xa50
[ 2950.361416][   T10]      ipv6_rcv+0x397/0x810
[ 2950.361416][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2950.361416][   T10]      process_backlog+0x101/0x620
[ 2950.361416][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2950.361416][   T10]      net_rx_action+0x495/0xbe0
[ 2950.361416][   T10]      __do_softirq+0x1b5/0x7f6
[ 2950.361416][   T10] 
[ 2950.363138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.363138][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2950.363138][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2950.363138][   T10]      fib6_nh_init+0xa22/0x1580
[ 2950.363138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.363138][   T10]      ip6_route_add+0x1c/0x140
[ 2950.363138][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2950.363138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.363138][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.363138][   T10]      netlink_unicast+0x449/0x710
[ 2950.363138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.363138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.363138][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.363138][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.363138][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.363138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.363138][   T10] 
[ 2950.365035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.365035][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.365035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.365035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.365035][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2950.365035][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2950.365035][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2950.365035][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2950.365035][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2950.365035][   T10]      addrconf_dad_begin+0x310/0x670
[ 2950.365035][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2950.365035][   T10]      process_one_work+0x84d/0x18a0
[ 2950.365035][   T10]      worker_thread+0x587/0xd30
[ 2950.365035][   T10]      kthread+0x28a/0x350
[ 2950.365035][   T10]      ret_from_fork+0x31/0x70
[ 2950.365035][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2950.365035][   T10] 
[ 2950.366987][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.366987][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.366987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.366987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.366987][   T10]      ip6_route_add+0x1c/0x140
[ 2950.366987][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2950.366987][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2950.366987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.366987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.366987][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.366987][   T10]      netlink_unicast+0x449/0x710
[ 2950.366987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.366987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.366987][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.366987][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.366987][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.366987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.366987][   T10] 
[ 2950.368975][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.368975][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.368975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.368975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.368975][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2950.368975][   T10]      ipv6_add_addr+0x411/0x2000
[ 2950.368975][   T10]      inet6_addr_add+0x30e/0xa40
[ 2950.368975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.368975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.368975][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.368975][   T10]      netlink_unicast+0x449/0x710
[ 2950.368975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.368975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.368975][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.368975][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.368975][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.368975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.368975][   T10] 
[ 2950.370922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.370922][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.370922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.370922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.370922][   T10]      ip6_route_add+0x1c/0x140
[ 2950.370922][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2950.370922][   T10]      addrconf_add_dev+0xe2/0x170
[ 2950.370922][   T10]      inet6_addr_add+0x12f/0xa40
[ 2950.370922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.370922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.370922][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.370922][   T10]      netlink_unicast+0x449/0x710
[ 2950.370922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.370922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.370922][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.370922][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.370922][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.370922][   T10] 
[ 2950.372846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.372846][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2950.372846][   T10]      ipv6_find_idev+0x102/0x170
[ 2950.372846][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.372846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.372846][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.372846][   T10]      netlink_unicast+0x449/0x710
[ 2950.372846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.372846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.372846][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.372846][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.372846][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.372846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.372846][   T10] 
[ 2950.374348][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2950.374348][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2950.374348][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2950.374348][   T10]      ipv6_find_idev+0x102/0x170
[ 2950.374348][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.374348][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.374348][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.374348][   T10]      netlink_unicast+0x449/0x710
[ 2950.374348][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.374348][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.374348][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.374348][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.374348][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.374348][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.374348][   T10] 
[ 2950.376003][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2950.376241][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.376241][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2950.376241][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2950.376241][   T10]      fib6_nh_init+0xa22/0x1580
[ 2950.376241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.376241][   T10]      ip6_route_add+0x1c/0x140
[ 2950.376241][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2950.376241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.376241][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.376241][   T10]      netlink_unicast+0x449/0x710
[ 2950.376241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.376241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.376241][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.376241][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.376241][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.376241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.376241][   T10] 
[ 2950.378118][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.378118][   T10]      dst_init+0x84/0x4a0
[ 2950.378118][   T10]      dst_alloc+0x97/0x150
[ 2950.378118][   T10]      ip6_dst_alloc+0x23/0x90
[ 2950.378118][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2950.378118][   T10]      ip6_pol_route+0x56f/0x840
[ 2950.378118][   T10]      fib6_rule_lookup+0x456/0x630
[ 2950.378118][   T10]      ip6_route_input+0x59c/0xa50
[ 2950.378118][   T10]      ipv6_rcv+0x397/0x810
[ 2950.378118][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2950.378118][   T10]      process_backlog+0x101/0x620
[ 2950.378118][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2950.378118][   T10]      net_rx_action+0x495/0xbe0
[ 2950.378118][   T10]      __do_softirq+0x1b5/0x7f6
[ 2950.378118][   T10] 
[ 2950.379751][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.379751][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.379751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.379751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.379751][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2950.379751][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2950.379751][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2950.379751][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2950.379751][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2950.379751][   T10]      addrconf_dad_begin+0x310/0x670
[ 2950.379751][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2950.379751][   T10]      process_one_work+0x84d/0x18a0
[ 2950.379751][   T10]      worker_thread+0x587/0xd30
[ 2950.379751][   T10]      kthread+0x28a/0x350
[ 2950.379751][   T10]      ret_from_fork+0x31/0x70
[ 2950.379751][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2950.379751][   T10] 
[ 2950.381648][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.381648][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.381648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.381648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.381648][   T10]      ip6_route_add+0x1c/0x140
[ 2950.381648][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2950.381648][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2950.381648][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.381648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.381648][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.381648][   T10]      netlink_unicast+0x449/0x710
[ 2950.381648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.381648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.381648][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.381648][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.381648][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.381648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.381648][   T10] 
[ 2950.383686][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.383686][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.383686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.383686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.383686][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2950.383686][   T10]      ipv6_add_addr+0x411/0x2000
[ 2950.383686][   T10]      inet6_addr_add+0x30e/0xa40
[ 2950.383686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.383686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.383686][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.383686][   T10]      netlink_unicast+0x449/0x710
[ 2950.383686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.383686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.383686][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.383686][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.383686][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.383686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.383686][   T10] 
[ 2950.385684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.385684][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.385684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.385684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.385684][   T10]      ip6_route_add+0x1c/0x140
[ 2950.385684][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2950.385684][   T10]      addrconf_add_dev+0xe2/0x170
[ 2950.385684][   T10]      inet6_addr_add+0x12f/0xa40
[ 2950.385684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.385684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.385684][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.385684][   T10]      netlink_unicast+0x449/0x710
[ 2950.385684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.385684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.385684][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.385684][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.385684][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.385684][   T10] 
[ 2950.387855][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.387855][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2950.387855][   T10]      ipv6_find_idev+0x102/0x170
[ 2950.387855][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.387855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.387855][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.387855][   T10]      netlink_unicast+0x449/0x710
[ 2950.387855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.387855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.387855][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.387855][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.387855][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.387855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.387855][   T10] 
[ 2950.389542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2950.389542][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2950.389542][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2950.389542][   T10]      ipv6_find_idev+0x102/0x170
[ 2950.389542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.389542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.389542][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.389542][   T10]      netlink_unicast+0x449/0x710
[ 2950.389542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.389542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.389542][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.389542][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.389542][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.389542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.389542][   T10] 
[ 2950.391428][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2950.391731][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2950.391731][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.391731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.391731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.391731][   T10]      ip6_route_add+0x1c/0x140
[ 2950.391731][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2950.391731][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2950.391731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.391731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.391731][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.391731][   T10]      netlink_unicast+0x449/0x710
[ 2950.391731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.391731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.391731][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.391731][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.391731][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.391731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.391731][   T10] 
[ 2950.393918][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2950.393918][   T10]      netdev_get_by_index+0x5e/0x80
[ 2950.393918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2950.393918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2950.393918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2950.393918][   T10]      ipv6_add_addr+0x411/0x2000
[ 2950.393918][   T10]      inet6_addr_add+0x30e/0xa40
[ 2950.393918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2950.393918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.393918][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.393918][   T10]      netlink_unicast+0x449/0x710
[ 2950.393918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.393918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.393918][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.393918][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.393918][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.393918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.393918][   T10] 
[ 2950.396101][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2950.396101][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2950.396101][   T10]      ipv6_find_idev+0x102/0x170
[ 2950.396101][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.396101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.396101][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.396101][   T10]      netlink_unicast+0x449/0x710
[ 2950.396101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.396101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.396101][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.396101][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.396101][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.396101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.396101][   T10] 
[ 2950.397819][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2950.397819][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2950.397819][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2950.397819][   T10]      ipv6_find_idev+0x102/0x170
[ 2950.397819][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2950.397819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2950.397819][   T10]      netlink_rcv_skb+0x130/0x360
[ 2950.397819][   T10]      netlink_unicast+0x449/0x710
[ 2950.397819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2950.397819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2950.397819][   T10]      ___sys_sendmsg+0xee/0x170
[ 2950.397819][   T10]      __sys_sendmsg+0xcd/0x170
[ 2950.397819][   T10]      do_syscall_64+0xc6/0x1e0
[ 2950.397819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2950.397819][   T10] 
[ 2960.648769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2960.649423][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.649423][   T10]      dst_init+0x84/0x4a0
[ 2960.649423][   T10]      dst_alloc+0x97/0x150
[ 2960.649423][   T10]      ip6_dst_alloc+0x23/0x90
[ 2960.649423][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2960.649423][   T10]      ip6_pol_route+0x56f/0x840
[ 2960.649423][   T10]      fib6_rule_lookup+0x456/0x630
[ 2960.649423][   T10]      ip6_route_input+0x59c/0xa50
[ 2960.649423][   T10]      ipv6_rcv+0x397/0x810
[ 2960.649423][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2960.649423][   T10]      process_backlog+0x101/0x620
[ 2960.649423][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2960.649423][   T10]      net_rx_action+0x495/0xbe0
[ 2960.649423][   T10]      __do_softirq+0x1b5/0x7f6
[ 2960.649423][   T10] 
[ 2960.651062][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.651062][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2960.651062][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2960.651062][   T10]      fib6_nh_init+0xa22/0x1580
[ 2960.651062][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.651062][   T10]      ip6_route_add+0x1c/0x140
[ 2960.651062][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2960.651062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.651062][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.651062][   T10]      netlink_unicast+0x449/0x710
[ 2960.651062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.651062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.651062][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.651062][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.651062][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.651062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.651062][   T10] 
[ 2960.653004][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.653004][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.653004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.653004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.653004][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2960.653004][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2960.653004][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2960.653004][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2960.653004][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2960.653004][   T10]      addrconf_dad_begin+0x310/0x670
[ 2960.653004][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2960.653004][   T10]      process_one_work+0x84d/0x18a0
[ 2960.653004][   T10]      worker_thread+0x587/0xd30
[ 2960.653004][   T10]      kthread+0x28a/0x350
[ 2960.653004][   T10]      ret_from_fork+0x31/0x70
[ 2960.653004][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2960.653004][   T10] 
[ 2960.654911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.654911][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.654911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.654911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.654911][   T10]      ip6_route_add+0x1c/0x140
[ 2960.654911][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2960.654911][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2960.654911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.654911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.654911][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.654911][   T10]      netlink_unicast+0x449/0x710
[ 2960.654911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.654911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.654911][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.654911][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.654911][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.654911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.654911][   T10] 
[ 2960.656917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.656917][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.656917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.656917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.656917][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2960.656917][   T10]      ipv6_add_addr+0x411/0x2000
[ 2960.656917][   T10]      inet6_addr_add+0x30e/0xa40
[ 2960.656917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.656917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.656917][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.656917][   T10]      netlink_unicast+0x449/0x710
[ 2960.656917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.656917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.656917][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.656917][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.656917][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.656917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.656917][   T10] 
[ 2960.658883][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.658883][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.658883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.658883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.658883][   T10]      ip6_route_add+0x1c/0x140
[ 2960.658883][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2960.658883][   T10]      addrconf_add_dev+0xe2/0x170
[ 2960.658883][   T10]      inet6_addr_add+0x12f/0xa40
[ 2960.658883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.658883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.658883][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.658883][   T10]      netlink_unicast+0x449/0x710
[ 2960.658883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.658883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.658883][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.658883][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.658883][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.658883][   T10] 
[ 2960.660850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.660850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2960.660850][   T10]      ipv6_find_idev+0x102/0x170
[ 2960.660850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2960.660850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.660850][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.660850][   T10]      netlink_unicast+0x449/0x710
[ 2960.660850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.660850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.660850][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.660850][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.660850][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.660850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.660850][   T10] 
[ 2960.662379][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2960.662379][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2960.662379][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2960.662379][   T10]      ipv6_find_idev+0x102/0x170
[ 2960.662379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2960.662379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.662379][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.662379][   T10]      netlink_unicast+0x449/0x710
[ 2960.662379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.662379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.662379][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.662379][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.662379][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.662379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.662379][   T10] 
[ 2960.664068][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2960.664303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.664303][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2960.664303][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2960.664303][   T10]      fib6_nh_init+0xa22/0x1580
[ 2960.664303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.664303][   T10]      ip6_route_add+0x1c/0x140
[ 2960.664303][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2960.664303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.664303][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.664303][   T10]      netlink_unicast+0x449/0x710
[ 2960.664303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.664303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.664303][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.664303][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.664303][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.664303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.664303][   T10] 
[ 2960.666142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.666142][   T10]      dst_init+0x84/0x4a0
[ 2960.666142][   T10]      dst_alloc+0x97/0x150
[ 2960.666142][   T10]      ip6_dst_alloc+0x23/0x90
[ 2960.666142][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2960.666142][   T10]      ip6_pol_route+0x56f/0x840
[ 2960.666142][   T10]      fib6_rule_lookup+0x456/0x630
[ 2960.666142][   T10]      ip6_route_input+0x59c/0xa50
[ 2960.666142][   T10]      ipv6_rcv+0x397/0x810
[ 2960.666142][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2960.666142][   T10]      process_backlog+0x101/0x620
[ 2960.666142][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2960.666142][   T10]      net_rx_action+0x495/0xbe0
[ 2960.666142][   T10]      __do_softirq+0x1b5/0x7f6
[ 2960.666142][   T10] 
[ 2960.667748][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.667748][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.667748][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.667748][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.667748][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2960.667748][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2960.667748][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2960.667748][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2960.667748][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2960.667748][   T10]      addrconf_dad_begin+0x310/0x670
[ 2960.667748][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2960.667748][   T10]      process_one_work+0x84d/0x18a0
[ 2960.667748][   T10]      worker_thread+0x587/0xd30
[ 2960.667748][   T10]      kthread+0x28a/0x350
[ 2960.667748][   T10]      ret_from_fork+0x31/0x70
[ 2960.667748][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2960.667748][   T10] 
[ 2960.669635][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.669635][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.669635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.669635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.669635][   T10]      ip6_route_add+0x1c/0x140
[ 2960.669635][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2960.669635][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2960.669635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.669635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.669635][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.669635][   T10]      netlink_unicast+0x449/0x710
[ 2960.669635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.669635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.669635][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.669635][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.669635][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.669635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.669635][   T10] 
[ 2960.671622][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.671622][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.671622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.671622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.671622][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2960.671622][   T10]      ipv6_add_addr+0x411/0x2000
[ 2960.671622][   T10]      inet6_addr_add+0x30e/0xa40
[ 2960.671622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.671622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.671622][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.671622][   T10]      netlink_unicast+0x449/0x710
[ 2960.671622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.671622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.671622][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.671622][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.671622][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.671622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.671622][   T10] 
[ 2960.673635][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.673635][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.673635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.673635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.673635][   T10]      ip6_route_add+0x1c/0x140
[ 2960.673635][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2960.673635][   T10]      addrconf_add_dev+0xe2/0x170
[ 2960.673635][   T10]      inet6_addr_add+0x12f/0xa40
[ 2960.673635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.673635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.673635][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.673635][   T10]      netlink_unicast+0x449/0x710
[ 2960.673635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.673635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.673635][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.673635][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.673635][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.673635][   T10] 
[ 2960.675707][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.675707][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2960.675707][   T10]      ipv6_find_idev+0x102/0x170
[ 2960.675707][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2960.675707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.675707][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.675707][   T10]      netlink_unicast+0x449/0x710
[ 2960.675707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.675707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.675707][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.675707][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.675707][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.675707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.675707][   T10] 
[ 2960.677405][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2960.677405][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2960.677405][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2960.677405][   T10]      ipv6_find_idev+0x102/0x170
[ 2960.677405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2960.677405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.677405][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.677405][   T10]      netlink_unicast+0x449/0x710
[ 2960.677405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.677405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.677405][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.677405][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.677405][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.677405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.677405][   T10] 
[ 2960.679185][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2960.679501][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2960.679501][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.679501][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.679501][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.679501][   T10]      ip6_route_add+0x1c/0x140
[ 2960.679501][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2960.679501][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2960.679501][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.679501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.679501][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.679501][   T10]      netlink_unicast+0x449/0x710
[ 2960.679501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.679501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.679501][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.679501][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.679501][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.679501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.679501][   T10] 
[ 2960.681553][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2960.681553][   T10]      netdev_get_by_index+0x5e/0x80
[ 2960.681553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2960.681553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2960.681553][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2960.681553][   T10]      ipv6_add_addr+0x411/0x2000
[ 2960.681553][   T10]      inet6_addr_add+0x30e/0xa40
[ 2960.681553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2960.681553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.681553][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.681553][   T10]      netlink_unicast+0x449/0x710
[ 2960.681553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.681553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.681553][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.681553][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.681553][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.681553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.681553][   T10] 
[ 2960.683716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2960.683716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2960.683716][   T10]      ipv6_find_idev+0x102/0x170
[ 2960.683716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2960.683716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.683716][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.683716][   T10]      netlink_unicast+0x449/0x710
[ 2960.683716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.683716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.683716][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.683716][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.683716][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.683716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.683716][   T10] 
[ 2960.685416][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2960.685416][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2960.685416][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2960.685416][   T10]      ipv6_find_idev+0x102/0x170
[ 2960.685416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2960.685416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2960.685416][   T10]      netlink_rcv_skb+0x130/0x360
[ 2960.685416][   T10]      netlink_unicast+0x449/0x710
[ 2960.685416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2960.685416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2960.685416][   T10]      ___sys_sendmsg+0xee/0x170
[ 2960.685416][   T10]      __sys_sendmsg+0xcd/0x170
[ 2960.685416][   T10]      do_syscall_64+0xc6/0x1e0
[ 2960.685416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2960.685416][   T10] 
[ 2970.937481][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2970.937955][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.937955][   T10]      dst_init+0x84/0x4a0
[ 2970.937955][   T10]      dst_alloc+0x97/0x150
[ 2970.937955][   T10]      ip6_dst_alloc+0x23/0x90
[ 2970.937955][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2970.937955][   T10]      ip6_pol_route+0x56f/0x840
[ 2970.937955][   T10]      fib6_rule_lookup+0x456/0x630
[ 2970.937955][   T10]      ip6_route_input+0x59c/0xa50
[ 2970.937955][   T10]      ipv6_rcv+0x397/0x810
[ 2970.937955][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2970.937955][   T10]      process_backlog+0x101/0x620
[ 2970.937955][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2970.937955][   T10]      net_rx_action+0x495/0xbe0
[ 2970.937955][   T10]      __do_softirq+0x1b5/0x7f6
[ 2970.937955][   T10] 
[ 2970.939594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.939594][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2970.939594][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2970.939594][   T10]      fib6_nh_init+0xa22/0x1580
[ 2970.939594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.939594][   T10]      ip6_route_add+0x1c/0x140
[ 2970.939594][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2970.939594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.939594][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.939594][   T10]      netlink_unicast+0x449/0x710
[ 2970.939594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.939594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.939594][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.939594][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.939594][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.939594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.939594][   T10] 
[ 2970.941445][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.941445][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.941445][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.941445][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.941445][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2970.941445][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2970.941445][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2970.941445][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2970.941445][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2970.941445][   T10]      addrconf_dad_begin+0x310/0x670
[ 2970.941445][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2970.941445][   T10]      process_one_work+0x84d/0x18a0
[ 2970.941445][   T10]      worker_thread+0x587/0xd30
[ 2970.941445][   T10]      kthread+0x28a/0x350
[ 2970.941445][   T10]      ret_from_fork+0x31/0x70
[ 2970.941445][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2970.941445][   T10] 
[ 2970.943388][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.943388][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.943388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.943388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.943388][   T10]      ip6_route_add+0x1c/0x140
[ 2970.943388][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2970.943388][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2970.943388][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.943388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.943388][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.943388][   T10]      netlink_unicast+0x449/0x710
[ 2970.943388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.943388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.943388][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.943388][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.943388][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.943388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.943388][   T10] 
[ 2970.945407][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.945407][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.945407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.945407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.945407][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2970.945407][   T10]      ipv6_add_addr+0x411/0x2000
[ 2970.945407][   T10]      inet6_addr_add+0x30e/0xa40
[ 2970.945407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.945407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.945407][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.945407][   T10]      netlink_unicast+0x449/0x710
[ 2970.945407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.945407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.945407][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.945407][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.945407][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.945407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.945407][   T10] 
[ 2970.947430][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.947430][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.947430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.947430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.947430][   T10]      ip6_route_add+0x1c/0x140
[ 2970.947430][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2970.947430][   T10]      addrconf_add_dev+0xe2/0x170
[ 2970.947430][   T10]      inet6_addr_add+0x12f/0xa40
[ 2970.947430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.947430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.947430][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.947430][   T10]      netlink_unicast+0x449/0x710
[ 2970.947430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.947430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.947430][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.947430][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.947430][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.947430][   T10] 
[ 2970.949397][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.949397][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2970.949397][   T10]      ipv6_find_idev+0x102/0x170
[ 2970.949397][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2970.949397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.949397][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.949397][   T10]      netlink_unicast+0x449/0x710
[ 2970.949397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.949397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.949397][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.949397][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.949397][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.949397][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.949397][   T10] 
[ 2970.950962][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2970.950962][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2970.950962][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2970.950962][   T10]      ipv6_find_idev+0x102/0x170
[ 2970.950962][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2970.950962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.950962][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.950962][   T10]      netlink_unicast+0x449/0x710
[ 2970.950962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.950962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.950962][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.950962][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.950962][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.950962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.950962][   T10] 
[ 2970.952667][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2970.952907][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.952907][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2970.952907][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2970.952907][   T10]      fib6_nh_init+0xa22/0x1580
[ 2970.952907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.952907][   T10]      ip6_route_add+0x1c/0x140
[ 2970.952907][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2970.952907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.952907][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.952907][   T10]      netlink_unicast+0x449/0x710
[ 2970.952907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.952907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.952907][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.952907][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.952907][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.952907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.952907][   T10] 
[ 2970.954789][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.954789][   T10]      dst_init+0x84/0x4a0
[ 2970.954789][   T10]      dst_alloc+0x97/0x150
[ 2970.954789][   T10]      ip6_dst_alloc+0x23/0x90
[ 2970.954789][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2970.954789][   T10]      ip6_pol_route+0x56f/0x840
[ 2970.954789][   T10]      fib6_rule_lookup+0x456/0x630
[ 2970.954789][   T10]      ip6_route_input+0x59c/0xa50
[ 2970.954789][   T10]      ipv6_rcv+0x397/0x810
[ 2970.954789][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2970.954789][   T10]      process_backlog+0x101/0x620
[ 2970.954789][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2970.954789][   T10]      net_rx_action+0x495/0xbe0
[ 2970.954789][   T10]      __do_softirq+0x1b5/0x7f6
[ 2970.954789][   T10] 
[ 2970.956420][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.956420][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.956420][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.956420][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.956420][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2970.956420][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2970.956420][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2970.956420][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2970.956420][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2970.956420][   T10]      addrconf_dad_begin+0x310/0x670
[ 2970.956420][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2970.956420][   T10]      process_one_work+0x84d/0x18a0
[ 2970.956420][   T10]      worker_thread+0x587/0xd30
[ 2970.956420][   T10]      kthread+0x28a/0x350
[ 2970.956420][   T10]      ret_from_fork+0x31/0x70
[ 2970.956420][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2970.956420][   T10] 
[ 2970.958334][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.958334][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.958334][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.958334][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.958334][   T10]      ip6_route_add+0x1c/0x140
[ 2970.958334][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2970.958334][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2970.958334][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.958334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.958334][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.958334][   T10]      netlink_unicast+0x449/0x710
[ 2970.958334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.958334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.958334][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.958334][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.958334][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.958334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.958334][   T10] 
[ 2970.960363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.960363][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.960363][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.960363][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.960363][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2970.960363][   T10]      ipv6_add_addr+0x411/0x2000
[ 2970.960363][   T10]      inet6_addr_add+0x30e/0xa40
[ 2970.960363][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.960363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.960363][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.960363][   T10]      netlink_unicast+0x449/0x710
[ 2970.960363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.960363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.960363][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.960363][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.960363][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.960363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.960363][   T10] 
[ 2970.962368][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.962368][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.962368][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.962368][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.962368][   T10]      ip6_route_add+0x1c/0x140
[ 2970.962368][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2970.962368][   T10]      addrconf_add_dev+0xe2/0x170
[ 2970.962368][   T10]      inet6_addr_add+0x12f/0xa40
[ 2970.962368][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.962368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.962368][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.962368][   T10]      netlink_unicast+0x449/0x710
[ 2970.962368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.962368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.962368][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.962368][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.962368][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.962368][   T10] 
[ 2970.964466][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.964466][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2970.964466][   T10]      ipv6_find_idev+0x102/0x170
[ 2970.964466][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2970.964466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.964466][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.964466][   T10]      netlink_unicast+0x449/0x710
[ 2970.964466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.964466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.964466][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.964466][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.964466][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.964466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.964466][   T10] 
[ 2970.966082][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2970.966082][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2970.966082][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2970.966082][   T10]      ipv6_find_idev+0x102/0x170
[ 2970.966082][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2970.966082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.966082][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.966082][   T10]      netlink_unicast+0x449/0x710
[ 2970.966082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.966082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.966082][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.966082][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.966082][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.966082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.966082][   T10] 
[ 2970.967911][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2970.968208][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2970.968208][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.968208][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.968208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.968208][   T10]      ip6_route_add+0x1c/0x140
[ 2970.968208][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2970.968208][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2970.968208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.968208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.968208][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.968208][   T10]      netlink_unicast+0x449/0x710
[ 2970.968208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.968208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.968208][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.968208][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.968208][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.968208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.968208][   T10] 
[ 2970.970269][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2970.970269][   T10]      netdev_get_by_index+0x5e/0x80
[ 2970.970269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2970.970269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2970.970269][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2970.970269][   T10]      ipv6_add_addr+0x411/0x2000
[ 2970.970269][   T10]      inet6_addr_add+0x30e/0xa40
[ 2970.970269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2970.970269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.970269][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.970269][   T10]      netlink_unicast+0x449/0x710
[ 2970.970269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.970269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.970269][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.970269][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.970269][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.970269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.970269][   T10] 
[ 2970.972391][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2970.972391][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2970.972391][   T10]      ipv6_find_idev+0x102/0x170
[ 2970.972391][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2970.972391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.972391][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.972391][   T10]      netlink_unicast+0x449/0x710
[ 2970.972391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.972391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.972391][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.972391][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.972391][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.972391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.972391][   T10] 
[ 2970.974065][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2970.974065][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2970.974065][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2970.974065][   T10]      ipv6_find_idev+0x102/0x170
[ 2970.974065][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2970.974065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2970.974065][   T10]      netlink_rcv_skb+0x130/0x360
[ 2970.974065][   T10]      netlink_unicast+0x449/0x710
[ 2970.974065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2970.974065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2970.974065][   T10]      ___sys_sendmsg+0xee/0x170
[ 2970.974065][   T10]      __sys_sendmsg+0xcd/0x170
[ 2970.974065][   T10]      do_syscall_64+0xc6/0x1e0
[ 2970.974065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2970.974065][   T10] 
[ 2980.976755][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2980.977412][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.977412][   T10]      dst_init+0x84/0x4a0
[ 2980.977412][   T10]      dst_alloc+0x97/0x150
[ 2980.977412][   T10]      ip6_dst_alloc+0x23/0x90
[ 2980.977412][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2980.977412][   T10]      ip6_pol_route+0x56f/0x840
[ 2980.977412][   T10]      fib6_rule_lookup+0x456/0x630
[ 2980.977412][   T10]      ip6_route_input+0x59c/0xa50
[ 2980.977412][   T10]      ipv6_rcv+0x397/0x810
[ 2980.977412][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2980.977412][   T10]      process_backlog+0x101/0x620
[ 2980.977412][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2980.977412][   T10]      net_rx_action+0x495/0xbe0
[ 2980.977412][   T10]      __do_softirq+0x1b5/0x7f6
[ 2980.977412][   T10] 
[ 2980.979057][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.979057][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2980.979057][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2980.979057][   T10]      fib6_nh_init+0xa22/0x1580
[ 2980.979057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.979057][   T10]      ip6_route_add+0x1c/0x140
[ 2980.979057][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2980.979057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.979057][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.979057][   T10]      netlink_unicast+0x449/0x710
[ 2980.979057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.979057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.979057][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.979057][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.979057][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.979057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.979057][   T10] 
[ 2980.980907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.980907][   T10]      netdev_get_by_index+0x5e/0x80
[ 2980.980907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2980.980907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.980907][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2980.980907][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2980.980907][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2980.980907][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2980.980907][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2980.980907][   T10]      addrconf_dad_begin+0x310/0x670
[ 2980.980907][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2980.980907][   T10]      process_one_work+0x84d/0x18a0
[ 2980.980907][   T10]      worker_thread+0x587/0xd30
[ 2980.980907][   T10]      kthread+0x28a/0x350
[ 2980.980907][   T10]      ret_from_fork+0x31/0x70
[ 2980.980907][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2980.980907][   T10] 
[ 2980.982823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.982823][   T10]      netdev_get_by_index+0x5e/0x80
[ 2980.982823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2980.982823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.982823][   T10]      ip6_route_add+0x1c/0x140
[ 2980.982823][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2980.982823][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2980.982823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2980.982823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.982823][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.982823][   T10]      netlink_unicast+0x449/0x710
[ 2980.982823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.982823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.982823][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.982823][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.982823][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.982823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.982823][   T10] 
[ 2980.984808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.984808][   T10]      netdev_get_by_index+0x5e/0x80
[ 2980.984808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2980.984808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.984808][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2980.984808][   T10]      ipv6_add_addr+0x411/0x2000
[ 2980.984808][   T10]      inet6_addr_add+0x30e/0xa40
[ 2980.984808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2980.984808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.984808][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.984808][   T10]      netlink_unicast+0x449/0x710
[ 2980.984808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.984808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.984808][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.984808][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.984808][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.984808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.984808][   T10] 
[ 2980.987151][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.987151][   T10]      netdev_get_by_index+0x5e/0x80
[ 2980.987151][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2980.987151][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.987151][   T10]      ip6_route_add+0x1c/0x140
[ 2980.987151][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2980.987151][   T10]      addrconf_add_dev+0xe2/0x170
[ 2980.987151][   T10]      inet6_addr_add+0x12f/0xa40
[ 2980.987151][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2980.987151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.987151][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.987151][   T10]      netlink_unicast+0x449/0x710
[ 2980.987151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.987151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.987151][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.987151][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.987151][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.987151][   T10] 
[ 2980.989066][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.989066][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2980.989066][   T10]      ipv6_find_idev+0x102/0x170
[ 2980.989066][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2980.989066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.989066][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.989066][   T10]      netlink_unicast+0x449/0x710
[ 2980.989066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.989066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.989066][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.989066][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.989066][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.989066][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.989066][   T10] 
[ 2980.990570][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2980.990570][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2980.990570][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2980.990570][   T10]      ipv6_find_idev+0x102/0x170
[ 2980.990570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2980.990570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.990570][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.990570][   T10]      netlink_unicast+0x449/0x710
[ 2980.990570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.990570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.990570][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.990570][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.990570][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.990570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.990570][   T10] 
[ 2980.992261][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2980.992501][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2980.992501][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2980.992501][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2980.992501][   T10]      fib6_nh_init+0xa22/0x1580
[ 2980.992501][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.992501][   T10]      ip6_route_add+0x1c/0x140
[ 2980.992501][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2980.992501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.992501][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.992501][   T10]      netlink_unicast+0x449/0x710
[ 2980.992501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.992501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.992501][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.992501][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.992501][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.992501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.992501][   T10] 
[ 2980.994361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2980.994361][   T10]      dst_init+0x84/0x4a0
[ 2980.994361][   T10]      dst_alloc+0x97/0x150
[ 2980.994361][   T10]      ip6_dst_alloc+0x23/0x90
[ 2980.994361][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2980.994361][   T10]      ip6_pol_route+0x56f/0x840
[ 2980.994361][   T10]      fib6_rule_lookup+0x456/0x630
[ 2980.994361][   T10]      ip6_route_input+0x59c/0xa50
[ 2980.994361][   T10]      ipv6_rcv+0x397/0x810
[ 2980.994361][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2980.994361][   T10]      process_backlog+0x101/0x620
[ 2980.994361][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2980.994361][   T10]      net_rx_action+0x495/0xbe0
[ 2980.994361][   T10]      __do_softirq+0x1b5/0x7f6
[ 2980.994361][   T10] 
[ 2980.995955][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2980.995955][   T10]      netdev_get_by_index+0x5e/0x80
[ 2980.995955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2980.995955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.995955][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2980.995955][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2980.995955][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2980.995955][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2980.995955][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2980.995955][   T10]      addrconf_dad_begin+0x310/0x670
[ 2980.995955][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2980.995955][   T10]      process_one_work+0x84d/0x18a0
[ 2980.995955][   T10]      worker_thread+0x587/0xd30
[ 2980.995955][   T10]      kthread+0x28a/0x350
[ 2980.995955][   T10]      ret_from_fork+0x31/0x70
[ 2980.995955][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2980.995955][   T10] 
[ 2980.997812][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2980.997812][   T10]      netdev_get_by_index+0x5e/0x80
[ 2980.997812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2980.997812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.997812][   T10]      ip6_route_add+0x1c/0x140
[ 2980.997812][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2980.997812][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2980.997812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2980.997812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.997812][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.997812][   T10]      netlink_unicast+0x449/0x710
[ 2980.997812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.997812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.997812][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.997812][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.997812][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.997812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.997812][   T10] 
[ 2980.999760][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2980.999760][   T10]      netdev_get_by_index+0x5e/0x80
[ 2980.999760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2980.999760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2980.999760][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2980.999760][   T10]      ipv6_add_addr+0x411/0x2000
[ 2980.999760][   T10]      inet6_addr_add+0x30e/0xa40
[ 2980.999760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2980.999760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2980.999760][   T10]      netlink_rcv_skb+0x130/0x360
[ 2980.999760][   T10]      netlink_unicast+0x449/0x710
[ 2980.999760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2980.999760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2980.999760][   T10]      ___sys_sendmsg+0xee/0x170
[ 2980.999760][   T10]      __sys_sendmsg+0xcd/0x170
[ 2980.999760][   T10]      do_syscall_64+0xc6/0x1e0
[ 2980.999760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2980.999760][   T10] 
[ 2981.001768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2981.001768][   T10]      netdev_get_by_index+0x5e/0x80
[ 2981.001768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2981.001768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2981.001768][   T10]      ip6_route_add+0x1c/0x140
[ 2981.001768][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2981.001768][   T10]      addrconf_add_dev+0xe2/0x170
[ 2981.001768][   T10]      inet6_addr_add+0x12f/0xa40
[ 2981.001768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2981.001768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2981.001768][   T10]      netlink_rcv_skb+0x130/0x360
[ 2981.001768][   T10]      netlink_unicast+0x449/0x710
[ 2981.001768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2981.001768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2981.001768][   T10]      ___sys_sendmsg+0xee/0x170
[ 2981.001768][   T10]      __sys_sendmsg+0xcd/0x170
[ 2981.001768][   T10]      do_syscall_64+0xc6/0x1e0
[ 2981.001768][   T10] 
[ 2981.004246][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2981.004246][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2981.004246][   T10]      ipv6_find_idev+0x102/0x170
[ 2981.004246][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2981.004246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2981.004246][   T10]      netlink_rcv_skb+0x130/0x360
[ 2981.004246][   T10]      netlink_unicast+0x449/0x710
[ 2981.004246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2981.004246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2981.004246][   T10]      ___sys_sendmsg+0xee/0x170
[ 2981.004246][   T10]      __sys_sendmsg+0xcd/0x170
[ 2981.004246][   T10]      do_syscall_64+0xc6/0x1e0
[ 2981.004246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2981.004246][   T10] 
[ 2981.005898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2981.005898][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2981.005898][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2981.005898][   T10]      ipv6_find_idev+0x102/0x170
[ 2981.005898][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2981.005898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2981.005898][   T10]      netlink_rcv_skb+0x130/0x360
[ 2981.005898][   T10]      netlink_unicast+0x449/0x710
[ 2981.005898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2981.005898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2981.005898][   T10]      ___sys_sendmsg+0xee/0x170
[ 2981.005898][   T10]      __sys_sendmsg+0xcd/0x170
[ 2981.005898][   T10]      do_syscall_64+0xc6/0x1e0
[ 2981.005898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2981.005898][   T10] 
[ 2981.007653][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2981.007959][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2981.007959][   T10]      netdev_get_by_index+0x5e/0x80
[ 2981.007959][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2981.007959][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2981.007959][   T10]      ip6_route_add+0x1c/0x140
[ 2981.007959][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2981.007959][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2981.007959][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2981.007959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2981.007959][   T10]      netlink_rcv_skb+0x130/0x360
[ 2981.007959][   T10]      netlink_unicast+0x449/0x710
[ 2981.007959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2981.007959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2981.007959][   T10]      ___sys_sendmsg+0xee/0x170
[ 2981.007959][   T10]      __sys_sendmsg+0xcd/0x170
[ 2981.007959][   T10]      do_syscall_64+0xc6/0x1e0
[ 2981.007959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2981.007959][   T10] 
[ 2981.010003][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2981.010003][   T10]      netdev_get_by_index+0x5e/0x80
[ 2981.010003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2981.010003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2981.010003][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2981.010003][   T10]      ipv6_add_addr+0x411/0x2000
[ 2981.010003][   T10]      inet6_addr_add+0x30e/0xa40
[ 2981.010003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2981.010003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2981.010003][   T10]      netlink_rcv_skb+0x130/0x360
[ 2981.010003][   T10]      netlink_unicast+0x449/0x710
[ 2981.010003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2981.010003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2981.010003][   T10]      ___sys_sendmsg+0xee/0x170
[ 2981.010003][   T10]      __sys_sendmsg+0xcd/0x170
[ 2981.010003][   T10]      do_syscall_64+0xc6/0x1e0
[ 2981.010003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2981.010003][   T10] 
[ 2981.012484][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2981.012484][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2981.012484][   T10]      ipv6_find_idev+0x102/0x170
[ 2981.012484][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2981.012484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2981.012484][   T10]      netlink_rcv_skb+0x130/0x360
[ 2981.012484][   T10]      netlink_unicast+0x449/0x710
[ 2981.012484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2981.012484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2981.012484][   T10]      ___sys_sendmsg+0xee/0x170
[ 2981.012484][   T10]      __sys_sendmsg+0xcd/0x170
[ 2981.012484][   T10]      do_syscall_64+0xc6/0x1e0
[ 2981.012484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2981.012484][   T10] 
[ 2981.014133][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2981.014133][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2981.014133][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2981.014133][   T10]      ipv6_find_idev+0x102/0x170
[ 2981.014133][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2981.014133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2981.014133][   T10]      netlink_rcv_skb+0x130/0x360
[ 2981.014133][   T10]      netlink_unicast+0x449/0x710
[ 2981.014133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2981.014133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2981.014133][   T10]      ___sys_sendmsg+0xee/0x170
[ 2981.014133][   T10]      __sys_sendmsg+0xcd/0x170
[ 2981.014133][   T10]      do_syscall_64+0xc6/0x1e0
[ 2981.014133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2981.014133][   T10] 
[ 2991.256802][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2991.257499][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.257499][   T10]      dst_init+0x84/0x4a0
[ 2991.257499][   T10]      dst_alloc+0x97/0x150
[ 2991.257499][   T10]      ip6_dst_alloc+0x23/0x90
[ 2991.257499][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2991.257499][   T10]      ip6_pol_route+0x56f/0x840
[ 2991.257499][   T10]      fib6_rule_lookup+0x456/0x630
[ 2991.257499][   T10]      ip6_route_input+0x59c/0xa50
[ 2991.257499][   T10]      ipv6_rcv+0x397/0x810
[ 2991.257499][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2991.257499][   T10]      process_backlog+0x101/0x620
[ 2991.257499][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2991.257499][   T10]      net_rx_action+0x495/0xbe0
[ 2991.257499][   T10]      __do_softirq+0x1b5/0x7f6
[ 2991.257499][   T10] 
[ 2991.259195][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.259195][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2991.259195][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2991.259195][   T10]      fib6_nh_init+0xa22/0x1580
[ 2991.259195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.259195][   T10]      ip6_route_add+0x1c/0x140
[ 2991.259195][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2991.259195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.259195][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.259195][   T10]      netlink_unicast+0x449/0x710
[ 2991.259195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.259195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.259195][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.259195][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.259195][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.259195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.259195][   T10] 
[ 2991.261052][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.261052][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.261052][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.261052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.261052][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2991.261052][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2991.261052][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2991.261052][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2991.261052][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2991.261052][   T10]      addrconf_dad_begin+0x310/0x670
[ 2991.261052][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2991.261052][   T10]      process_one_work+0x84d/0x18a0
[ 2991.261052][   T10]      worker_thread+0x587/0xd30
[ 2991.261052][   T10]      kthread+0x28a/0x350
[ 2991.261052][   T10]      ret_from_fork+0x31/0x70
[ 2991.261052][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2991.261052][   T10] 
[ 2991.262962][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.262962][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.262962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.262962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.262962][   T10]      ip6_route_add+0x1c/0x140
[ 2991.262962][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2991.262962][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2991.262962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.262962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.262962][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.262962][   T10]      netlink_unicast+0x449/0x710
[ 2991.262962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.262962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.262962][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.262962][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.262962][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.262962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.262962][   T10] 
[ 2991.264911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.264911][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.264911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.264911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.264911][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2991.264911][   T10]      ipv6_add_addr+0x411/0x2000
[ 2991.264911][   T10]      inet6_addr_add+0x30e/0xa40
[ 2991.264911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.264911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.264911][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.264911][   T10]      netlink_unicast+0x449/0x710
[ 2991.264911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.264911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.264911][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.264911][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.264911][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.264911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.264911][   T10] 
[ 2991.266862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.266862][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.266862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.266862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.266862][   T10]      ip6_route_add+0x1c/0x140
[ 2991.266862][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2991.266862][   T10]      addrconf_add_dev+0xe2/0x170
[ 2991.266862][   T10]      inet6_addr_add+0x12f/0xa40
[ 2991.266862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.266862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.266862][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.266862][   T10]      netlink_unicast+0x449/0x710
[ 2991.266862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.266862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.266862][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.266862][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.266862][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.266862][   T10] 
[ 2991.268840][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.268840][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2991.268840][   T10]      ipv6_find_idev+0x102/0x170
[ 2991.268840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2991.268840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.268840][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.268840][   T10]      netlink_unicast+0x449/0x710
[ 2991.268840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.268840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.268840][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.268840][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.268840][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.268840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.268840][   T10] 
[ 2991.270386][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 2991.270386][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2991.270386][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2991.270386][   T10]      ipv6_find_idev+0x102/0x170
[ 2991.270386][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2991.270386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.270386][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.270386][   T10]      netlink_unicast+0x449/0x710
[ 2991.270386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.270386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.270386][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.270386][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.270386][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.270386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.270386][   T10] 
[ 2991.272104][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 2991.272343][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.272343][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 2991.272343][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 2991.272343][   T10]      fib6_nh_init+0xa22/0x1580
[ 2991.272343][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.272343][   T10]      ip6_route_add+0x1c/0x140
[ 2991.272343][   T10]      inet6_rtm_newroute+0x104/0x110
[ 2991.272343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.272343][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.272343][   T10]      netlink_unicast+0x449/0x710
[ 2991.272343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.272343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.272343][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.272343][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.272343][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.272343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.272343][   T10] 
[ 2991.274225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.274225][   T10]      dst_init+0x84/0x4a0
[ 2991.274225][   T10]      dst_alloc+0x97/0x150
[ 2991.274225][   T10]      ip6_dst_alloc+0x23/0x90
[ 2991.274225][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 2991.274225][   T10]      ip6_pol_route+0x56f/0x840
[ 2991.274225][   T10]      fib6_rule_lookup+0x456/0x630
[ 2991.274225][   T10]      ip6_route_input+0x59c/0xa50
[ 2991.274225][   T10]      ipv6_rcv+0x397/0x810
[ 2991.274225][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 2991.274225][   T10]      process_backlog+0x101/0x620
[ 2991.274225][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 2991.274225][   T10]      net_rx_action+0x495/0xbe0
[ 2991.274225][   T10]      __do_softirq+0x1b5/0x7f6
[ 2991.274225][   T10] 
[ 2991.275880][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.275880][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.275880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.275880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.275880][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 2991.275880][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 2991.275880][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 2991.275880][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 2991.275880][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 2991.275880][   T10]      addrconf_dad_begin+0x310/0x670
[ 2991.275880][   T10]      addrconf_dad_work+0x10b/0xab0
[ 2991.275880][   T10]      process_one_work+0x84d/0x18a0
[ 2991.275880][   T10]      worker_thread+0x587/0xd30
[ 2991.275880][   T10]      kthread+0x28a/0x350
[ 2991.275880][   T10]      ret_from_fork+0x31/0x70
[ 2991.275880][   T10]      ret_from_fork_asm+0x1a/0x30
[ 2991.275880][   T10] 
[ 2991.277792][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.277792][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.277792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.277792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.277792][   T10]      ip6_route_add+0x1c/0x140
[ 2991.277792][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2991.277792][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2991.277792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.277792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.277792][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.277792][   T10]      netlink_unicast+0x449/0x710
[ 2991.277792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.277792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.277792][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.277792][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.277792][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.277792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.277792][   T10] 
[ 2991.280173][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.280173][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.280173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.280173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.280173][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2991.280173][   T10]      ipv6_add_addr+0x411/0x2000
[ 2991.280173][   T10]      inet6_addr_add+0x30e/0xa40
[ 2991.280173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.280173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.280173][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.280173][   T10]      netlink_unicast+0x449/0x710
[ 2991.280173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.280173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.280173][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.280173][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.280173][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.280173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.280173][   T10] 
[ 2991.282179][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.282179][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.282179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.282179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.282179][   T10]      ip6_route_add+0x1c/0x140
[ 2991.282179][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 2991.282179][   T10]      addrconf_add_dev+0xe2/0x170
[ 2991.282179][   T10]      inet6_addr_add+0x12f/0xa40
[ 2991.282179][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.282179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.282179][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.282179][   T10]      netlink_unicast+0x449/0x710
[ 2991.282179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.282179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.282179][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.282179][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.282179][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.282179][   T10] 
[ 2991.284330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.284330][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2991.284330][   T10]      ipv6_find_idev+0x102/0x170
[ 2991.284330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2991.284330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.284330][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.284330][   T10]      netlink_unicast+0x449/0x710
[ 2991.284330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.284330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.284330][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.284330][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.284330][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.284330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.284330][   T10] 
[ 2991.286038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 2991.286038][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2991.286038][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2991.286038][   T10]      ipv6_find_idev+0x102/0x170
[ 2991.286038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2991.286038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.286038][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.286038][   T10]      netlink_unicast+0x449/0x710
[ 2991.286038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.286038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.286038][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.286038][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.286038][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.286038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.286038][   T10] 
[ 2991.287971][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 2991.288276][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2991.288276][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.288276][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.288276][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.288276][   T10]      ip6_route_add+0x1c/0x140
[ 2991.288276][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 2991.288276][   T10]      inet6_addr_add+0x4f8/0xa40
[ 2991.288276][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.288276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.288276][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.288276][   T10]      netlink_unicast+0x449/0x710
[ 2991.288276][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.288276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.288276][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.288276][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.288276][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.288276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.288276][   T10] 
[ 2991.290453][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2991.290453][   T10]      netdev_get_by_index+0x5e/0x80
[ 2991.290453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 2991.290453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 2991.290453][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 2991.290453][   T10]      ipv6_add_addr+0x411/0x2000
[ 2991.290453][   T10]      inet6_addr_add+0x30e/0xa40
[ 2991.290453][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 2991.290453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.290453][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.290453][   T10]      netlink_unicast+0x449/0x710
[ 2991.290453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.290453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.290453][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.290453][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.290453][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.290453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.290453][   T10] 
[ 2991.292685][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2991.292685][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 2991.292685][   T10]      ipv6_find_idev+0x102/0x170
[ 2991.292685][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2991.292685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.292685][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.292685][   T10]      netlink_unicast+0x449/0x710
[ 2991.292685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.292685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.292685][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.292685][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.292685][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.292685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.292685][   T10] 
[ 2991.294398][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 2991.294398][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 2991.294398][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 2991.294398][   T10]      ipv6_find_idev+0x102/0x170
[ 2991.294398][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 2991.294398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 2991.294398][   T10]      netlink_rcv_skb+0x130/0x360
[ 2991.294398][   T10]      netlink_unicast+0x449/0x710
[ 2991.294398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 2991.294398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 2991.294398][   T10]      ___sys_sendmsg+0xee/0x170
[ 2991.294398][   T10]      __sys_sendmsg+0xcd/0x170
[ 2991.294398][   T10]      do_syscall_64+0xc6/0x1e0
[ 2991.294398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 2991.294398][   T10] 
[ 3001.536777][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3001.537206][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.537206][   T10]      dst_init+0x84/0x4a0
[ 3001.537206][   T10]      dst_alloc+0x97/0x150
[ 3001.537206][   T10]      ip6_dst_alloc+0x23/0x90
[ 3001.537206][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3001.537206][   T10]      ip6_pol_route+0x56f/0x840
[ 3001.537206][   T10]      fib6_rule_lookup+0x456/0x630
[ 3001.537206][   T10]      ip6_route_input+0x59c/0xa50
[ 3001.537206][   T10]      ipv6_rcv+0x397/0x810
[ 3001.537206][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3001.537206][   T10]      process_backlog+0x101/0x620
[ 3001.537206][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3001.537206][   T10]      net_rx_action+0x495/0xbe0
[ 3001.537206][   T10]      __do_softirq+0x1b5/0x7f6
[ 3001.537206][   T10] 
[ 3001.538890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.538890][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3001.538890][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3001.538890][   T10]      fib6_nh_init+0xa22/0x1580
[ 3001.538890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.538890][   T10]      ip6_route_add+0x1c/0x140
[ 3001.538890][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3001.538890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.538890][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.538890][   T10]      netlink_unicast+0x449/0x710
[ 3001.538890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.538890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.538890][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.538890][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.538890][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.538890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.538890][   T10] 
[ 3001.540779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.540779][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.540779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.540779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.540779][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3001.540779][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3001.540779][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3001.540779][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3001.540779][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3001.540779][   T10]      addrconf_dad_begin+0x310/0x670
[ 3001.540779][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3001.540779][   T10]      process_one_work+0x84d/0x18a0
[ 3001.540779][   T10]      worker_thread+0x587/0xd30
[ 3001.540779][   T10]      kthread+0x28a/0x350
[ 3001.540779][   T10]      ret_from_fork+0x31/0x70
[ 3001.540779][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3001.540779][   T10] 
[ 3001.542704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.542704][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.542704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.542704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.542704][   T10]      ip6_route_add+0x1c/0x140
[ 3001.542704][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3001.542704][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3001.542704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.542704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.542704][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.542704][   T10]      netlink_unicast+0x449/0x710
[ 3001.542704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.542704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.542704][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.542704][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.542704][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.542704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.542704][   T10] 
[ 3001.544686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.544686][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.544686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.544686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.544686][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3001.544686][   T10]      ipv6_add_addr+0x411/0x2000
[ 3001.544686][   T10]      inet6_addr_add+0x30e/0xa40
[ 3001.544686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.544686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.544686][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.544686][   T10]      netlink_unicast+0x449/0x710
[ 3001.544686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.544686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.544686][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.544686][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.544686][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.544686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.544686][   T10] 
[ 3001.546675][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.546675][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.546675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.546675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.546675][   T10]      ip6_route_add+0x1c/0x140
[ 3001.546675][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3001.546675][   T10]      addrconf_add_dev+0xe2/0x170
[ 3001.546675][   T10]      inet6_addr_add+0x12f/0xa40
[ 3001.546675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.546675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.546675][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.546675][   T10]      netlink_unicast+0x449/0x710
[ 3001.546675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.546675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.546675][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.546675][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.546675][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.546675][   T10] 
[ 3001.548613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.548613][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3001.548613][   T10]      ipv6_find_idev+0x102/0x170
[ 3001.548613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3001.548613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.548613][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.548613][   T10]      netlink_unicast+0x449/0x710
[ 3001.548613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.548613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.548613][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.548613][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.548613][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.548613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.548613][   T10] 
[ 3001.550159][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3001.550159][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3001.550159][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3001.550159][   T10]      ipv6_find_idev+0x102/0x170
[ 3001.550159][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3001.550159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.550159][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.550159][   T10]      netlink_unicast+0x449/0x710
[ 3001.550159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.550159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.550159][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.550159][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.550159][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.550159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.550159][   T10] 
[ 3001.551850][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3001.552091][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.552091][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3001.552091][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3001.552091][   T10]      fib6_nh_init+0xa22/0x1580
[ 3001.552091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.552091][   T10]      ip6_route_add+0x1c/0x140
[ 3001.552091][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3001.552091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.552091][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.552091][   T10]      netlink_unicast+0x449/0x710
[ 3001.552091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.552091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.552091][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.552091][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.552091][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.552091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.552091][   T10] 
[ 3001.553918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.553918][   T10]      dst_init+0x84/0x4a0
[ 3001.553918][   T10]      dst_alloc+0x97/0x150
[ 3001.553918][   T10]      ip6_dst_alloc+0x23/0x90
[ 3001.553918][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3001.553918][   T10]      ip6_pol_route+0x56f/0x840
[ 3001.553918][   T10]      fib6_rule_lookup+0x456/0x630
[ 3001.553918][   T10]      ip6_route_input+0x59c/0xa50
[ 3001.553918][   T10]      ipv6_rcv+0x397/0x810
[ 3001.553918][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3001.553918][   T10]      process_backlog+0x101/0x620
[ 3001.553918][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3001.553918][   T10]      net_rx_action+0x495/0xbe0
[ 3001.553918][   T10]      __do_softirq+0x1b5/0x7f6
[ 3001.553918][   T10] 
[ 3001.555507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.555507][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.555507][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.555507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.555507][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3001.555507][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3001.555507][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3001.555507][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3001.555507][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3001.555507][   T10]      addrconf_dad_begin+0x310/0x670
[ 3001.555507][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3001.555507][   T10]      process_one_work+0x84d/0x18a0
[ 3001.555507][   T10]      worker_thread+0x587/0xd30
[ 3001.555507][   T10]      kthread+0x28a/0x350
[ 3001.555507][   T10]      ret_from_fork+0x31/0x70
[ 3001.555507][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3001.555507][   T10] 
[ 3001.557385][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.557385][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.557385][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.557385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.557385][   T10]      ip6_route_add+0x1c/0x140
[ 3001.557385][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3001.557385][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3001.557385][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.557385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.557385][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.557385][   T10]      netlink_unicast+0x449/0x710
[ 3001.557385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.557385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.557385][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.557385][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.557385][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.557385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.557385][   T10] 
[ 3001.559355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.559355][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.559355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.559355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.559355][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3001.559355][   T10]      ipv6_add_addr+0x411/0x2000
[ 3001.559355][   T10]      inet6_addr_add+0x30e/0xa40
[ 3001.559355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.559355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.559355][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.559355][   T10]      netlink_unicast+0x449/0x710
[ 3001.559355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.559355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.559355][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.559355][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.559355][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.559355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.559355][   T10] 
[ 3001.561292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.561292][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.561292][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.561292][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.561292][   T10]      ip6_route_add+0x1c/0x140
[ 3001.561292][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3001.561292][   T10]      addrconf_add_dev+0xe2/0x170
[ 3001.561292][   T10]      inet6_addr_add+0x12f/0xa40
[ 3001.561292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.561292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.561292][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.561292][   T10]      netlink_unicast+0x449/0x710
[ 3001.561292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.561292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.561292][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.561292][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.561292][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.561292][   T10] 
[ 3001.563439][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.563439][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3001.563439][   T10]      ipv6_find_idev+0x102/0x170
[ 3001.563439][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3001.563439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.563439][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.563439][   T10]      netlink_unicast+0x449/0x710
[ 3001.563439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.563439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.563439][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.563439][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.563439][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.563439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.563439][   T10] 
[ 3001.565232][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3001.565232][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3001.565232][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3001.565232][   T10]      ipv6_find_idev+0x102/0x170
[ 3001.565232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3001.565232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.565232][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.565232][   T10]      netlink_unicast+0x449/0x710
[ 3001.565232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.565232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.565232][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.565232][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.565232][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.565232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.565232][   T10] 
[ 3001.567092][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3001.567415][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3001.567415][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.567415][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.567415][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.567415][   T10]      ip6_route_add+0x1c/0x140
[ 3001.567415][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3001.567415][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3001.567415][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.567415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.567415][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.567415][   T10]      netlink_unicast+0x449/0x710
[ 3001.567415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.567415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.567415][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.567415][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.567415][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.567415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.567415][   T10] 
[ 3001.569621][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3001.569621][   T10]      netdev_get_by_index+0x5e/0x80
[ 3001.569621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3001.569621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3001.569621][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3001.569621][   T10]      ipv6_add_addr+0x411/0x2000
[ 3001.569621][   T10]      inet6_addr_add+0x30e/0xa40
[ 3001.569621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3001.569621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.569621][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.569621][   T10]      netlink_unicast+0x449/0x710
[ 3001.569621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.569621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.569621][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.569621][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.569621][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.569621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.569621][   T10] 
[ 3001.571869][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3001.571869][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3001.571869][   T10]      ipv6_find_idev+0x102/0x170
[ 3001.571869][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3001.571869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.571869][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.571869][   T10]      netlink_unicast+0x449/0x710
[ 3001.571869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.571869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.571869][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.571869][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.571869][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.571869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.571869][   T10] 
[ 3001.573648][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3001.573648][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3001.573648][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3001.573648][   T10]      ipv6_find_idev+0x102/0x170
[ 3001.573648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3001.573648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3001.573648][   T10]      netlink_rcv_skb+0x130/0x360
[ 3001.573648][   T10]      netlink_unicast+0x449/0x710
[ 3001.573648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3001.573648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3001.573648][   T10]      ___sys_sendmsg+0xee/0x170
[ 3001.573648][   T10]      __sys_sendmsg+0xcd/0x170
[ 3001.573648][   T10]      do_syscall_64+0xc6/0x1e0
[ 3001.573648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3001.573648][   T10] 
[ 3011.816783][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3011.817247][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.817247][   T10]      dst_init+0x84/0x4a0
[ 3011.817247][   T10]      dst_alloc+0x97/0x150
[ 3011.817247][   T10]      ip6_dst_alloc+0x23/0x90
[ 3011.817247][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3011.817247][   T10]      ip6_pol_route+0x56f/0x840
[ 3011.817247][   T10]      fib6_rule_lookup+0x456/0x630
[ 3011.817247][   T10]      ip6_route_input+0x59c/0xa50
[ 3011.817247][   T10]      ipv6_rcv+0x397/0x810
[ 3011.817247][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3011.817247][   T10]      process_backlog+0x101/0x620
[ 3011.817247][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3011.817247][   T10]      net_rx_action+0x495/0xbe0
[ 3011.817247][   T10]      __do_softirq+0x1b5/0x7f6
[ 3011.817247][   T10] 
[ 3011.818874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.818874][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3011.818874][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3011.818874][   T10]      fib6_nh_init+0xa22/0x1580
[ 3011.818874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.818874][   T10]      ip6_route_add+0x1c/0x140
[ 3011.818874][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3011.818874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.818874][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.818874][   T10]      netlink_unicast+0x449/0x710
[ 3011.818874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.818874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.818874][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.818874][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.818874][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.818874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.818874][   T10] 
[ 3011.820727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.820727][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.820727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.820727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.820727][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3011.820727][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3011.820727][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3011.820727][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3011.820727][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3011.820727][   T10]      addrconf_dad_begin+0x310/0x670
[ 3011.820727][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3011.820727][   T10]      process_one_work+0x84d/0x18a0
[ 3011.820727][   T10]      worker_thread+0x587/0xd30
[ 3011.820727][   T10]      kthread+0x28a/0x350
[ 3011.820727][   T10]      ret_from_fork+0x31/0x70
[ 3011.820727][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3011.820727][   T10] 
[ 3011.822672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.822672][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.822672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.822672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.822672][   T10]      ip6_route_add+0x1c/0x140
[ 3011.822672][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3011.822672][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3011.822672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.822672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.822672][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.822672][   T10]      netlink_unicast+0x449/0x710
[ 3011.822672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.822672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.822672][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.822672][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.822672][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.822672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.822672][   T10] 
[ 3011.824622][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.824622][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.824622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.824622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.824622][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3011.824622][   T10]      ipv6_add_addr+0x411/0x2000
[ 3011.824622][   T10]      inet6_addr_add+0x30e/0xa40
[ 3011.824622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.824622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.824622][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.824622][   T10]      netlink_unicast+0x449/0x710
[ 3011.824622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.824622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.824622][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.824622][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.824622][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.824622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.824622][   T10] 
[ 3011.826628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.826628][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.826628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.826628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.826628][   T10]      ip6_route_add+0x1c/0x140
[ 3011.826628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3011.826628][   T10]      addrconf_add_dev+0xe2/0x170
[ 3011.826628][   T10]      inet6_addr_add+0x12f/0xa40
[ 3011.826628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.826628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.826628][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.826628][   T10]      netlink_unicast+0x449/0x710
[ 3011.826628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.826628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.826628][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.826628][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.826628][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.826628][   T10] 
[ 3011.828565][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.828565][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3011.828565][   T10]      ipv6_find_idev+0x102/0x170
[ 3011.828565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3011.828565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.828565][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.828565][   T10]      netlink_unicast+0x449/0x710
[ 3011.828565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.828565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.828565][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.828565][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.828565][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.828565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.828565][   T10] 
[ 3011.830081][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3011.830081][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3011.830081][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3011.830081][   T10]      ipv6_find_idev+0x102/0x170
[ 3011.830081][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3011.830081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.830081][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.830081][   T10]      netlink_unicast+0x449/0x710
[ 3011.830081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.830081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.830081][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.830081][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.830081][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.830081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.830081][   T10] 
[ 3011.831812][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3011.832049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.832049][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3011.832049][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3011.832049][   T10]      fib6_nh_init+0xa22/0x1580
[ 3011.832049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.832049][   T10]      ip6_route_add+0x1c/0x140
[ 3011.832049][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3011.832049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.832049][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.832049][   T10]      netlink_unicast+0x449/0x710
[ 3011.832049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.832049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.832049][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.832049][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.832049][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.832049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.832049][   T10] 
[ 3011.833947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.833947][   T10]      dst_init+0x84/0x4a0
[ 3011.833947][   T10]      dst_alloc+0x97/0x150
[ 3011.833947][   T10]      ip6_dst_alloc+0x23/0x90
[ 3011.833947][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3011.833947][   T10]      ip6_pol_route+0x56f/0x840
[ 3011.833947][   T10]      fib6_rule_lookup+0x456/0x630
[ 3011.833947][   T10]      ip6_route_input+0x59c/0xa50
[ 3011.833947][   T10]      ipv6_rcv+0x397/0x810
[ 3011.833947][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3011.833947][   T10]      process_backlog+0x101/0x620
[ 3011.833947][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3011.833947][   T10]      net_rx_action+0x495/0xbe0
[ 3011.833947][   T10]      __do_softirq+0x1b5/0x7f6
[ 3011.833947][   T10] 
[ 3011.835594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.835594][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.835594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.835594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.835594][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3011.835594][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3011.835594][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3011.835594][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3011.835594][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3011.835594][   T10]      addrconf_dad_begin+0x310/0x670
[ 3011.835594][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3011.835594][   T10]      process_one_work+0x84d/0x18a0
[ 3011.835594][   T10]      worker_thread+0x587/0xd30
[ 3011.835594][   T10]      kthread+0x28a/0x350
[ 3011.835594][   T10]      ret_from_fork+0x31/0x70
[ 3011.835594][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3011.835594][   T10] 
[ 3011.837471][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.837471][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.837471][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.837471][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.837471][   T10]      ip6_route_add+0x1c/0x140
[ 3011.837471][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3011.837471][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3011.837471][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.837471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.837471][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.837471][   T10]      netlink_unicast+0x449/0x710
[ 3011.837471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.837471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.837471][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.837471][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.837471][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.837471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.837471][   T10] 
[ 3011.839530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.839530][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.839530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.839530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.839530][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3011.839530][   T10]      ipv6_add_addr+0x411/0x2000
[ 3011.839530][   T10]      inet6_addr_add+0x30e/0xa40
[ 3011.839530][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.839530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.839530][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.839530][   T10]      netlink_unicast+0x449/0x710
[ 3011.839530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.839530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.839530][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.839530][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.839530][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.839530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.839530][   T10] 
[ 3011.841525][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.841525][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.841525][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.841525][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.841525][   T10]      ip6_route_add+0x1c/0x140
[ 3011.841525][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3011.841525][   T10]      addrconf_add_dev+0xe2/0x170
[ 3011.841525][   T10]      inet6_addr_add+0x12f/0xa40
[ 3011.841525][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.841525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.841525][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.841525][   T10]      netlink_unicast+0x449/0x710
[ 3011.841525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.841525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.841525][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.841525][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.841525][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.841525][   T10] 
[ 3011.843665][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.843665][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3011.843665][   T10]      ipv6_find_idev+0x102/0x170
[ 3011.843665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3011.843665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.843665][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.843665][   T10]      netlink_unicast+0x449/0x710
[ 3011.843665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.843665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.843665][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.843665][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.843665][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.843665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.843665][   T10] 
[ 3011.845392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3011.845392][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3011.845392][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3011.845392][   T10]      ipv6_find_idev+0x102/0x170
[ 3011.845392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3011.845392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.845392][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.845392][   T10]      netlink_unicast+0x449/0x710
[ 3011.845392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.845392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.845392][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.845392][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.845392][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.845392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.845392][   T10] 
[ 3011.847326][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3011.847619][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3011.847619][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.847619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.847619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.847619][   T10]      ip6_route_add+0x1c/0x140
[ 3011.847619][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3011.847619][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3011.847619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.847619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.847619][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.847619][   T10]      netlink_unicast+0x449/0x710
[ 3011.847619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.847619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.847619][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.847619][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.847619][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.847619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.847619][   T10] 
[ 3011.849808][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3011.849808][   T10]      netdev_get_by_index+0x5e/0x80
[ 3011.849808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3011.849808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3011.849808][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3011.849808][   T10]      ipv6_add_addr+0x411/0x2000
[ 3011.849808][   T10]      inet6_addr_add+0x30e/0xa40
[ 3011.849808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3011.849808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.849808][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.849808][   T10]      netlink_unicast+0x449/0x710
[ 3011.849808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.849808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.849808][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.849808][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.849808][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.849808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.849808][   T10] 
[ 3011.852067][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3011.852067][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3011.852067][   T10]      ipv6_find_idev+0x102/0x170
[ 3011.852067][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3011.852067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.852067][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.852067][   T10]      netlink_unicast+0x449/0x710
[ 3011.852067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.852067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.852067][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.852067][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.852067][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.852067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.852067][   T10] 
[ 3011.853804][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3011.853804][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3011.853804][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3011.853804][   T10]      ipv6_find_idev+0x102/0x170
[ 3011.853804][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3011.853804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3011.853804][   T10]      netlink_rcv_skb+0x130/0x360
[ 3011.853804][   T10]      netlink_unicast+0x449/0x710
[ 3011.853804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3011.853804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3011.853804][   T10]      ___sys_sendmsg+0xee/0x170
[ 3011.853804][   T10]      __sys_sendmsg+0xcd/0x170
[ 3011.853804][   T10]      do_syscall_64+0xc6/0x1e0
[ 3011.853804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3011.853804][   T10] 
[ 3022.096803][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3022.097290][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.097290][   T10]      dst_init+0x84/0x4a0
[ 3022.097290][   T10]      dst_alloc+0x97/0x150
[ 3022.097290][   T10]      ip6_dst_alloc+0x23/0x90
[ 3022.097290][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3022.097290][   T10]      ip6_pol_route+0x56f/0x840
[ 3022.097290][   T10]      fib6_rule_lookup+0x456/0x630
[ 3022.097290][   T10]      ip6_route_input+0x59c/0xa50
[ 3022.097290][   T10]      ipv6_rcv+0x397/0x810
[ 3022.097290][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3022.097290][   T10]      process_backlog+0x101/0x620
[ 3022.097290][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3022.097290][   T10]      net_rx_action+0x495/0xbe0
[ 3022.097290][   T10]      __do_softirq+0x1b5/0x7f6
[ 3022.097290][   T10] 
[ 3022.098947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.098947][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3022.098947][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3022.098947][   T10]      fib6_nh_init+0xa22/0x1580
[ 3022.098947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.098947][   T10]      ip6_route_add+0x1c/0x140
[ 3022.098947][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3022.098947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.098947][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.098947][   T10]      netlink_unicast+0x449/0x710
[ 3022.098947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.098947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.098947][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.098947][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.098947][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.098947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.098947][   T10] 
[ 3022.100865][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.100865][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.100865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.100865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.100865][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3022.100865][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3022.100865][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3022.100865][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3022.100865][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3022.100865][   T10]      addrconf_dad_begin+0x310/0x670
[ 3022.100865][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3022.100865][   T10]      process_one_work+0x84d/0x18a0
[ 3022.100865][   T10]      worker_thread+0x587/0xd30
[ 3022.100865][   T10]      kthread+0x28a/0x350
[ 3022.100865][   T10]      ret_from_fork+0x31/0x70
[ 3022.100865][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3022.100865][   T10] 
[ 3022.102783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.102783][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.102783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.102783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.102783][   T10]      ip6_route_add+0x1c/0x140
[ 3022.102783][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3022.102783][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3022.102783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.102783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.102783][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.102783][   T10]      netlink_unicast+0x449/0x710
[ 3022.102783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.102783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.102783][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.102783][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.102783][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.102783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.102783][   T10] 
[ 3022.104800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.104800][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.104800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.104800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.104800][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3022.104800][   T10]      ipv6_add_addr+0x411/0x2000
[ 3022.104800][   T10]      inet6_addr_add+0x30e/0xa40
[ 3022.104800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.104800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.104800][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.104800][   T10]      netlink_unicast+0x449/0x710
[ 3022.104800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.104800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.104800][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.104800][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.104800][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.104800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.104800][   T10] 
[ 3022.106748][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.106748][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.106748][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.106748][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.106748][   T10]      ip6_route_add+0x1c/0x140
[ 3022.106748][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3022.106748][   T10]      addrconf_add_dev+0xe2/0x170
[ 3022.106748][   T10]      inet6_addr_add+0x12f/0xa40
[ 3022.106748][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.106748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.106748][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.106748][   T10]      netlink_unicast+0x449/0x710
[ 3022.106748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.106748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.106748][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.106748][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.106748][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.106748][   T10] 
[ 3022.108656][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.108656][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3022.108656][   T10]      ipv6_find_idev+0x102/0x170
[ 3022.108656][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3022.108656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.108656][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.108656][   T10]      netlink_unicast+0x449/0x710
[ 3022.108656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.108656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.108656][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.108656][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.108656][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.108656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.108656][   T10] 
[ 3022.110166][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3022.110166][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3022.110166][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3022.110166][   T10]      ipv6_find_idev+0x102/0x170
[ 3022.110166][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3022.110166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.110166][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.110166][   T10]      netlink_unicast+0x449/0x710
[ 3022.110166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.110166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.110166][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.110166][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.110166][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.110166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.110166][   T10] 
[ 3022.111811][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3022.112066][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.112066][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3022.112066][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3022.112066][   T10]      fib6_nh_init+0xa22/0x1580
[ 3022.112066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.112066][   T10]      ip6_route_add+0x1c/0x140
[ 3022.112066][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3022.112066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.112066][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.112066][   T10]      netlink_unicast+0x449/0x710
[ 3022.112066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.112066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.112066][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.112066][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.112066][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.112066][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.112066][   T10] 
[ 3022.113929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.113929][   T10]      dst_init+0x84/0x4a0
[ 3022.113929][   T10]      dst_alloc+0x97/0x150
[ 3022.113929][   T10]      ip6_dst_alloc+0x23/0x90
[ 3022.113929][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3022.113929][   T10]      ip6_pol_route+0x56f/0x840
[ 3022.113929][   T10]      fib6_rule_lookup+0x456/0x630
[ 3022.113929][   T10]      ip6_route_input+0x59c/0xa50
[ 3022.113929][   T10]      ipv6_rcv+0x397/0x810
[ 3022.113929][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3022.113929][   T10]      process_backlog+0x101/0x620
[ 3022.113929][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3022.113929][   T10]      net_rx_action+0x495/0xbe0
[ 3022.113929][   T10]      __do_softirq+0x1b5/0x7f6
[ 3022.113929][   T10] 
[ 3022.115519][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.115519][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.115519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.115519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.115519][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3022.115519][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3022.115519][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3022.115519][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3022.115519][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3022.115519][   T10]      addrconf_dad_begin+0x310/0x670
[ 3022.115519][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3022.115519][   T10]      process_one_work+0x84d/0x18a0
[ 3022.115519][   T10]      worker_thread+0x587/0xd30
[ 3022.115519][   T10]      kthread+0x28a/0x350
[ 3022.115519][   T10]      ret_from_fork+0x31/0x70
[ 3022.115519][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3022.115519][   T10] 
[ 3022.117374][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.117374][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.117374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.117374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.117374][   T10]      ip6_route_add+0x1c/0x140
[ 3022.117374][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3022.117374][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3022.117374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.117374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.117374][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.117374][   T10]      netlink_unicast+0x449/0x710
[ 3022.117374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.117374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.117374][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.117374][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.117374][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.117374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.117374][   T10] 
[ 3022.119372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.119372][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.119372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.119372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.119372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3022.119372][   T10]      ipv6_add_addr+0x411/0x2000
[ 3022.119372][   T10]      inet6_addr_add+0x30e/0xa40
[ 3022.119372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.119372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.119372][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.119372][   T10]      netlink_unicast+0x449/0x710
[ 3022.119372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.119372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.119372][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.119372][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.119372][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.119372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.119372][   T10] 
[ 3022.121407][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.121407][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.121407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.121407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.121407][   T10]      ip6_route_add+0x1c/0x140
[ 3022.121407][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3022.121407][   T10]      addrconf_add_dev+0xe2/0x170
[ 3022.121407][   T10]      inet6_addr_add+0x12f/0xa40
[ 3022.121407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.121407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.121407][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.121407][   T10]      netlink_unicast+0x449/0x710
[ 3022.121407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.121407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.121407][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.121407][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.121407][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.121407][   T10] 
[ 3022.123552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.123552][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3022.123552][   T10]      ipv6_find_idev+0x102/0x170
[ 3022.123552][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3022.123552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.123552][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.123552][   T10]      netlink_unicast+0x449/0x710
[ 3022.123552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.123552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.123552][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.123552][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.123552][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.123552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.123552][   T10] 
[ 3022.125350][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3022.125350][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3022.125350][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3022.125350][   T10]      ipv6_find_idev+0x102/0x170
[ 3022.125350][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3022.125350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.125350][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.125350][   T10]      netlink_unicast+0x449/0x710
[ 3022.125350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.125350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.125350][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.125350][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.125350][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.125350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.125350][   T10] 
[ 3022.127620][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3022.127917][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3022.127917][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.127917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.127917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.127917][   T10]      ip6_route_add+0x1c/0x140
[ 3022.127917][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3022.127917][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3022.127917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.127917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.127917][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.127917][   T10]      netlink_unicast+0x449/0x710
[ 3022.127917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.127917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.127917][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.127917][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.127917][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.127917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.127917][   T10] 
[ 3022.130096][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3022.130096][   T10]      netdev_get_by_index+0x5e/0x80
[ 3022.130096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3022.130096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3022.130096][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3022.130096][   T10]      ipv6_add_addr+0x411/0x2000
[ 3022.130096][   T10]      inet6_addr_add+0x30e/0xa40
[ 3022.130096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3022.130096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.130096][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.130096][   T10]      netlink_unicast+0x449/0x710
[ 3022.130096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.130096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.130096][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.130096][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.130096][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.130096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.130096][   T10] 
[ 3022.132337][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3022.132337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3022.132337][   T10]      ipv6_find_idev+0x102/0x170
[ 3022.132337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3022.132337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.132337][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.132337][   T10]      netlink_unicast+0x449/0x710
[ 3022.132337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.132337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.132337][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.132337][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.132337][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.132337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.132337][   T10] 
[ 3022.134119][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3022.134119][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3022.134119][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3022.134119][   T10]      ipv6_find_idev+0x102/0x170
[ 3022.134119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3022.134119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3022.134119][   T10]      netlink_rcv_skb+0x130/0x360
[ 3022.134119][   T10]      netlink_unicast+0x449/0x710
[ 3022.134119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3022.134119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3022.134119][   T10]      ___sys_sendmsg+0xee/0x170
[ 3022.134119][   T10]      __sys_sendmsg+0xcd/0x170
[ 3022.134119][   T10]      do_syscall_64+0xc6/0x1e0
[ 3022.134119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3022.134119][   T10] 
[ 3032.377417][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3032.377896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.377896][   T10]      dst_init+0x84/0x4a0
[ 3032.377896][   T10]      dst_alloc+0x97/0x150
[ 3032.377896][   T10]      ip6_dst_alloc+0x23/0x90
[ 3032.377896][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3032.377896][   T10]      ip6_pol_route+0x56f/0x840
[ 3032.377896][   T10]      fib6_rule_lookup+0x456/0x630
[ 3032.377896][   T10]      ip6_route_input+0x59c/0xa50
[ 3032.377896][   T10]      ipv6_rcv+0x397/0x810
[ 3032.377896][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3032.377896][   T10]      process_backlog+0x101/0x620
[ 3032.377896][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3032.377896][   T10]      net_rx_action+0x495/0xbe0
[ 3032.377896][   T10]      __do_softirq+0x1b5/0x7f6
[ 3032.377896][   T10] 
[ 3032.379529][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.379529][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3032.379529][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3032.379529][   T10]      fib6_nh_init+0xa22/0x1580
[ 3032.379529][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.379529][   T10]      ip6_route_add+0x1c/0x140
[ 3032.379529][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3032.379529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.379529][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.379529][   T10]      netlink_unicast+0x449/0x710
[ 3032.379529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.379529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.379529][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.379529][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.379529][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.379529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.379529][   T10] 
[ 3032.381376][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.381376][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.381376][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.381376][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.381376][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3032.381376][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3032.381376][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3032.381376][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3032.381376][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3032.381376][   T10]      addrconf_dad_begin+0x310/0x670
[ 3032.381376][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3032.381376][   T10]      process_one_work+0x84d/0x18a0
[ 3032.381376][   T10]      worker_thread+0x587/0xd30
[ 3032.381376][   T10]      kthread+0x28a/0x350
[ 3032.381376][   T10]      ret_from_fork+0x31/0x70
[ 3032.381376][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3032.381376][   T10] 
[ 3032.383251][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.383251][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.383251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.383251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.383251][   T10]      ip6_route_add+0x1c/0x140
[ 3032.383251][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3032.383251][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3032.383251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.383251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.383251][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.383251][   T10]      netlink_unicast+0x449/0x710
[ 3032.383251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.383251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.383251][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.383251][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.383251][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.383251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.383251][   T10] 
[ 3032.385196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.385196][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.385196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.385196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.385196][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3032.385196][   T10]      ipv6_add_addr+0x411/0x2000
[ 3032.385196][   T10]      inet6_addr_add+0x30e/0xa40
[ 3032.385196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.385196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.385196][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.385196][   T10]      netlink_unicast+0x449/0x710
[ 3032.385196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.385196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.385196][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.385196][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.385196][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.385196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.385196][   T10] 
[ 3032.387187][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.387187][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.387187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.387187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.387187][   T10]      ip6_route_add+0x1c/0x140
[ 3032.387187][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3032.387187][   T10]      addrconf_add_dev+0xe2/0x170
[ 3032.387187][   T10]      inet6_addr_add+0x12f/0xa40
[ 3032.387187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.387187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.387187][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.387187][   T10]      netlink_unicast+0x449/0x710
[ 3032.387187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.387187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.387187][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.387187][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.387187][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.387187][   T10] 
[ 3032.389128][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.389128][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3032.389128][   T10]      ipv6_find_idev+0x102/0x170
[ 3032.389128][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3032.389128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.389128][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.389128][   T10]      netlink_unicast+0x449/0x710
[ 3032.389128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.389128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.389128][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.389128][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.389128][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.389128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.389128][   T10] 
[ 3032.390627][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3032.390627][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3032.390627][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3032.390627][   T10]      ipv6_find_idev+0x102/0x170
[ 3032.390627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3032.390627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.390627][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.390627][   T10]      netlink_unicast+0x449/0x710
[ 3032.390627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.390627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.390627][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.390627][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.390627][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.390627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.390627][   T10] 
[ 3032.392310][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3032.392568][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.392568][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3032.392568][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3032.392568][   T10]      fib6_nh_init+0xa22/0x1580
[ 3032.392568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.392568][   T10]      ip6_route_add+0x1c/0x140
[ 3032.392568][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3032.392568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.392568][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.392568][   T10]      netlink_unicast+0x449/0x710
[ 3032.392568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.392568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.392568][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.392568][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.392568][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.392568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.392568][   T10] 
[ 3032.394460][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.394460][   T10]      dst_init+0x84/0x4a0
[ 3032.394460][   T10]      dst_alloc+0x97/0x150
[ 3032.394460][   T10]      ip6_dst_alloc+0x23/0x90
[ 3032.394460][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3032.394460][   T10]      ip6_pol_route+0x56f/0x840
[ 3032.394460][   T10]      fib6_rule_lookup+0x456/0x630
[ 3032.394460][   T10]      ip6_route_input+0x59c/0xa50
[ 3032.394460][   T10]      ipv6_rcv+0x397/0x810
[ 3032.394460][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3032.394460][   T10]      process_backlog+0x101/0x620
[ 3032.394460][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3032.394460][   T10]      net_rx_action+0x495/0xbe0
[ 3032.394460][   T10]      __do_softirq+0x1b5/0x7f6
[ 3032.394460][   T10] 
[ 3032.396114][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.396114][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.396114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.396114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.396114][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3032.396114][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3032.396114][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3032.396114][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3032.396114][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3032.396114][   T10]      addrconf_dad_begin+0x310/0x670
[ 3032.396114][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3032.396114][   T10]      process_one_work+0x84d/0x18a0
[ 3032.396114][   T10]      worker_thread+0x587/0xd30
[ 3032.396114][   T10]      kthread+0x28a/0x350
[ 3032.396114][   T10]      ret_from_fork+0x31/0x70
[ 3032.396114][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3032.396114][   T10] 
[ 3032.398037][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.398037][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.398037][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.398037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.398037][   T10]      ip6_route_add+0x1c/0x140
[ 3032.398037][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3032.398037][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3032.398037][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.398037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.398037][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.398037][   T10]      netlink_unicast+0x449/0x710
[ 3032.398037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.398037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.398037][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.398037][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.398037][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.398037][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.398037][   T10] 
[ 3032.400049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.400049][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.400049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.400049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.400049][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3032.400049][   T10]      ipv6_add_addr+0x411/0x2000
[ 3032.400049][   T10]      inet6_addr_add+0x30e/0xa40
[ 3032.400049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.400049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.400049][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.400049][   T10]      netlink_unicast+0x449/0x710
[ 3032.400049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.400049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.400049][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.400049][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.400049][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.400049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.400049][   T10] 
[ 3032.402064][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.402064][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.402064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.402064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.402064][   T10]      ip6_route_add+0x1c/0x140
[ 3032.402064][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3032.402064][   T10]      addrconf_add_dev+0xe2/0x170
[ 3032.402064][   T10]      inet6_addr_add+0x12f/0xa40
[ 3032.402064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.402064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.402064][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.402064][   T10]      netlink_unicast+0x449/0x710
[ 3032.402064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.402064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.402064][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.402064][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.402064][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.402064][   T10] 
[ 3032.404221][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.404221][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3032.404221][   T10]      ipv6_find_idev+0x102/0x170
[ 3032.404221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3032.404221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.404221][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.404221][   T10]      netlink_unicast+0x449/0x710
[ 3032.404221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.404221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.404221][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.404221][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.404221][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.404221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.404221][   T10] 
[ 3032.405938][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3032.405938][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3032.405938][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3032.405938][   T10]      ipv6_find_idev+0x102/0x170
[ 3032.405938][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3032.405938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.405938][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.405938][   T10]      netlink_unicast+0x449/0x710
[ 3032.405938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.405938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.405938][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.405938][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.405938][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.405938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.405938][   T10] 
[ 3032.407877][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3032.408180][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3032.408180][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.408180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.408180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.408180][   T10]      ip6_route_add+0x1c/0x140
[ 3032.408180][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3032.408180][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3032.408180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.408180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.408180][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.408180][   T10]      netlink_unicast+0x449/0x710
[ 3032.408180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.408180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.408180][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.408180][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.408180][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.408180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.408180][   T10] 
[ 3032.410358][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3032.410358][   T10]      netdev_get_by_index+0x5e/0x80
[ 3032.410358][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3032.410358][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3032.410358][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3032.410358][   T10]      ipv6_add_addr+0x411/0x2000
[ 3032.410358][   T10]      inet6_addr_add+0x30e/0xa40
[ 3032.410358][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3032.410358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.410358][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.410358][   T10]      netlink_unicast+0x449/0x710
[ 3032.410358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.410358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.410358][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.410358][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.410358][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.410358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.410358][   T10] 
[ 3032.412531][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3032.412531][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3032.412531][   T10]      ipv6_find_idev+0x102/0x170
[ 3032.412531][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3032.412531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.412531][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.412531][   T10]      netlink_unicast+0x449/0x710
[ 3032.412531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.412531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.412531][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.412531][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.412531][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.412531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.412531][   T10] 
[ 3032.414261][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3032.414261][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3032.414261][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3032.414261][   T10]      ipv6_find_idev+0x102/0x170
[ 3032.414261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3032.414261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3032.414261][   T10]      netlink_rcv_skb+0x130/0x360
[ 3032.414261][   T10]      netlink_unicast+0x449/0x710
[ 3032.414261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3032.414261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3032.414261][   T10]      ___sys_sendmsg+0xee/0x170
[ 3032.414261][   T10]      __sys_sendmsg+0xcd/0x170
[ 3032.414261][   T10]      do_syscall_64+0xc6/0x1e0
[ 3032.414261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3032.414261][   T10] 
[ 3042.657399][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3042.657880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.657880][   T10]      dst_init+0x84/0x4a0
[ 3042.657880][   T10]      dst_alloc+0x97/0x150
[ 3042.657880][   T10]      ip6_dst_alloc+0x23/0x90
[ 3042.657880][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3042.657880][   T10]      ip6_pol_route+0x56f/0x840
[ 3042.657880][   T10]      fib6_rule_lookup+0x456/0x630
[ 3042.657880][   T10]      ip6_route_input+0x59c/0xa50
[ 3042.657880][   T10]      ipv6_rcv+0x397/0x810
[ 3042.657880][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3042.657880][   T10]      process_backlog+0x101/0x620
[ 3042.657880][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3042.657880][   T10]      net_rx_action+0x495/0xbe0
[ 3042.657880][   T10]      __do_softirq+0x1b5/0x7f6
[ 3042.657880][   T10] 
[ 3042.659532][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.659532][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3042.659532][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3042.659532][   T10]      fib6_nh_init+0xa22/0x1580
[ 3042.659532][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.659532][   T10]      ip6_route_add+0x1c/0x140
[ 3042.659532][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3042.659532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.659532][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.659532][   T10]      netlink_unicast+0x449/0x710
[ 3042.659532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.659532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.659532][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.659532][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.659532][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.659532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.659532][   T10] 
[ 3042.661384][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.661384][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.661384][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.661384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.661384][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3042.661384][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3042.661384][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3042.661384][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3042.661384][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3042.661384][   T10]      addrconf_dad_begin+0x310/0x670
[ 3042.661384][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3042.661384][   T10]      process_one_work+0x84d/0x18a0
[ 3042.661384][   T10]      worker_thread+0x587/0xd30
[ 3042.661384][   T10]      kthread+0x28a/0x350
[ 3042.661384][   T10]      ret_from_fork+0x31/0x70
[ 3042.661384][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3042.661384][   T10] 
[ 3042.663283][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.663283][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.663283][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.663283][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.663283][   T10]      ip6_route_add+0x1c/0x140
[ 3042.663283][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3042.663283][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3042.663283][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.663283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.663283][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.663283][   T10]      netlink_unicast+0x449/0x710
[ 3042.663283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.663283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.663283][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.663283][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.663283][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.663283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.663283][   T10] 
[ 3042.665255][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.665255][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.665255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.665255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.665255][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3042.665255][   T10]      ipv6_add_addr+0x411/0x2000
[ 3042.665255][   T10]      inet6_addr_add+0x30e/0xa40
[ 3042.665255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.665255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.665255][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.665255][   T10]      netlink_unicast+0x449/0x710
[ 3042.665255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.665255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.665255][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.665255][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.665255][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.665255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.665255][   T10] 
[ 3042.667248][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.667248][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.667248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.667248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.667248][   T10]      ip6_route_add+0x1c/0x140
[ 3042.667248][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3042.667248][   T10]      addrconf_add_dev+0xe2/0x170
[ 3042.667248][   T10]      inet6_addr_add+0x12f/0xa40
[ 3042.667248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.667248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.667248][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.667248][   T10]      netlink_unicast+0x449/0x710
[ 3042.667248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.667248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.667248][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.667248][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.667248][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.667248][   T10] 
[ 3042.669244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.669244][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3042.669244][   T10]      ipv6_find_idev+0x102/0x170
[ 3042.669244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3042.669244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.669244][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.669244][   T10]      netlink_unicast+0x449/0x710
[ 3042.669244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.669244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.669244][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.669244][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.669244][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.669244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.669244][   T10] 
[ 3042.670776][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3042.670776][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3042.670776][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3042.670776][   T10]      ipv6_find_idev+0x102/0x170
[ 3042.670776][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3042.670776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.670776][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.670776][   T10]      netlink_unicast+0x449/0x710
[ 3042.670776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.670776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.670776][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.670776][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.670776][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.670776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.670776][   T10] 
[ 3042.672435][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3042.672679][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.672679][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3042.672679][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3042.672679][   T10]      fib6_nh_init+0xa22/0x1580
[ 3042.672679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.672679][   T10]      ip6_route_add+0x1c/0x140
[ 3042.672679][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3042.672679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.672679][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.672679][   T10]      netlink_unicast+0x449/0x710
[ 3042.672679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.672679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.672679][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.672679][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.672679][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.672679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.672679][   T10] 
[ 3042.674522][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.674522][   T10]      dst_init+0x84/0x4a0
[ 3042.674522][   T10]      dst_alloc+0x97/0x150
[ 3042.674522][   T10]      ip6_dst_alloc+0x23/0x90
[ 3042.674522][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3042.674522][   T10]      ip6_pol_route+0x56f/0x840
[ 3042.674522][   T10]      fib6_rule_lookup+0x456/0x630
[ 3042.674522][   T10]      ip6_route_input+0x59c/0xa50
[ 3042.674522][   T10]      ipv6_rcv+0x397/0x810
[ 3042.674522][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3042.674522][   T10]      process_backlog+0x101/0x620
[ 3042.674522][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3042.674522][   T10]      net_rx_action+0x495/0xbe0
[ 3042.674522][   T10]      __do_softirq+0x1b5/0x7f6
[ 3042.674522][   T10] 
[ 3042.676164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.676164][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.676164][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.676164][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.676164][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3042.676164][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3042.676164][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3042.676164][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3042.676164][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3042.676164][   T10]      addrconf_dad_begin+0x310/0x670
[ 3042.676164][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3042.676164][   T10]      process_one_work+0x84d/0x18a0
[ 3042.676164][   T10]      worker_thread+0x587/0xd30
[ 3042.676164][   T10]      kthread+0x28a/0x350
[ 3042.676164][   T10]      ret_from_fork+0x31/0x70
[ 3042.676164][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3042.676164][   T10] 
[ 3042.678624][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.678624][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.678624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.678624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.678624][   T10]      ip6_route_add+0x1c/0x140
[ 3042.678624][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3042.678624][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3042.678624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.678624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.678624][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.678624][   T10]      netlink_unicast+0x449/0x710
[ 3042.678624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.678624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.678624][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.678624][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.678624][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.678624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.678624][   T10] 
[ 3042.680617][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.680617][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.680617][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.680617][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.680617][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3042.680617][   T10]      ipv6_add_addr+0x411/0x2000
[ 3042.680617][   T10]      inet6_addr_add+0x30e/0xa40
[ 3042.680617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.680617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.680617][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.680617][   T10]      netlink_unicast+0x449/0x710
[ 3042.680617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.680617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.680617][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.680617][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.680617][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.680617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.680617][   T10] 
[ 3042.682623][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.682623][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.682623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.682623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.682623][   T10]      ip6_route_add+0x1c/0x140
[ 3042.682623][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3042.682623][   T10]      addrconf_add_dev+0xe2/0x170
[ 3042.682623][   T10]      inet6_addr_add+0x12f/0xa40
[ 3042.682623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.682623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.682623][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.682623][   T10]      netlink_unicast+0x449/0x710
[ 3042.682623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.682623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.682623][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.682623][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.682623][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.682623][   T10] 
[ 3042.685191][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.685191][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3042.685191][   T10]      ipv6_find_idev+0x102/0x170
[ 3042.685191][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3042.685191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.685191][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.685191][   T10]      netlink_unicast+0x449/0x710
[ 3042.685191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.685191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.685191][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.685191][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.685191][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.685191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.685191][   T10] 
[ 3042.686972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3042.686972][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3042.686972][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3042.686972][   T10]      ipv6_find_idev+0x102/0x170
[ 3042.686972][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3042.686972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.686972][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.686972][   T10]      netlink_unicast+0x449/0x710
[ 3042.686972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.686972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.686972][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.686972][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.686972][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.686972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.686972][   T10] 
[ 3042.688845][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3042.689142][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3042.689142][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.689142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.689142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.689142][   T10]      ip6_route_add+0x1c/0x140
[ 3042.689142][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3042.689142][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3042.689142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.689142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.689142][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.689142][   T10]      netlink_unicast+0x449/0x710
[ 3042.689142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.689142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.689142][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.689142][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.689142][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.689142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.689142][   T10] 
[ 3042.691308][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3042.691308][   T10]      netdev_get_by_index+0x5e/0x80
[ 3042.691308][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3042.691308][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3042.691308][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3042.691308][   T10]      ipv6_add_addr+0x411/0x2000
[ 3042.691308][   T10]      inet6_addr_add+0x30e/0xa40
[ 3042.691308][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3042.691308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.691308][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.691308][   T10]      netlink_unicast+0x449/0x710
[ 3042.691308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.691308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.691308][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.691308][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.691308][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.691308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.691308][   T10] 
[ 3042.693525][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3042.693525][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3042.693525][   T10]      ipv6_find_idev+0x102/0x170
[ 3042.693525][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3042.693525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.693525][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.693525][   T10]      netlink_unicast+0x449/0x710
[ 3042.693525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.693525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.693525][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.693525][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.693525][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.693525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.693525][   T10] 
[ 3042.695321][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3042.695321][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3042.695321][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3042.695321][   T10]      ipv6_find_idev+0x102/0x170
[ 3042.695321][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3042.695321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3042.695321][   T10]      netlink_rcv_skb+0x130/0x360
[ 3042.695321][   T10]      netlink_unicast+0x449/0x710
[ 3042.695321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3042.695321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3042.695321][   T10]      ___sys_sendmsg+0xee/0x170
[ 3042.695321][   T10]      __sys_sendmsg+0xcd/0x170
[ 3042.695321][   T10]      do_syscall_64+0xc6/0x1e0
[ 3042.695321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3042.695321][   T10] 
[ 3052.936795][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3052.937421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.937421][   T10]      dst_init+0x84/0x4a0
[ 3052.937421][   T10]      dst_alloc+0x97/0x150
[ 3052.937421][   T10]      ip6_dst_alloc+0x23/0x90
[ 3052.937421][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3052.937421][   T10]      ip6_pol_route+0x56f/0x840
[ 3052.937421][   T10]      fib6_rule_lookup+0x456/0x630
[ 3052.937421][   T10]      ip6_route_input+0x59c/0xa50
[ 3052.937421][   T10]      ipv6_rcv+0x397/0x810
[ 3052.937421][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3052.937421][   T10]      process_backlog+0x101/0x620
[ 3052.937421][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3052.937421][   T10]      net_rx_action+0x495/0xbe0
[ 3052.937421][   T10]      __do_softirq+0x1b5/0x7f6
[ 3052.937421][   T10] 
[ 3052.939048][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.939048][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3052.939048][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3052.939048][   T10]      fib6_nh_init+0xa22/0x1580
[ 3052.939048][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.939048][   T10]      ip6_route_add+0x1c/0x140
[ 3052.939048][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3052.939048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.939048][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.939048][   T10]      netlink_unicast+0x449/0x710
[ 3052.939048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.939048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.939048][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.939048][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.939048][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.939048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.939048][   T10] 
[ 3052.940894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.940894][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.940894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.940894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.940894][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3052.940894][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3052.940894][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3052.940894][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3052.940894][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3052.940894][   T10]      addrconf_dad_begin+0x310/0x670
[ 3052.940894][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3052.940894][   T10]      process_one_work+0x84d/0x18a0
[ 3052.940894][   T10]      worker_thread+0x587/0xd30
[ 3052.940894][   T10]      kthread+0x28a/0x350
[ 3052.940894][   T10]      ret_from_fork+0x31/0x70
[ 3052.940894][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3052.940894][   T10] 
[ 3052.942813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.942813][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.942813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.942813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.942813][   T10]      ip6_route_add+0x1c/0x140
[ 3052.942813][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3052.942813][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3052.942813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.942813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.942813][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.942813][   T10]      netlink_unicast+0x449/0x710
[ 3052.942813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.942813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.942813][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.942813][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.942813][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.942813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.942813][   T10] 
[ 3052.944801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.944801][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.944801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.944801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.944801][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3052.944801][   T10]      ipv6_add_addr+0x411/0x2000
[ 3052.944801][   T10]      inet6_addr_add+0x30e/0xa40
[ 3052.944801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.944801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.944801][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.944801][   T10]      netlink_unicast+0x449/0x710
[ 3052.944801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.944801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.944801][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.944801][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.944801][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.944801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.944801][   T10] 
[ 3052.946800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.946800][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.946800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.946800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.946800][   T10]      ip6_route_add+0x1c/0x140
[ 3052.946800][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3052.946800][   T10]      addrconf_add_dev+0xe2/0x170
[ 3052.946800][   T10]      inet6_addr_add+0x12f/0xa40
[ 3052.946800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.946800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.946800][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.946800][   T10]      netlink_unicast+0x449/0x710
[ 3052.946800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.946800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.946800][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.946800][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.946800][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.946800][   T10] 
[ 3052.948792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.948792][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3052.948792][   T10]      ipv6_find_idev+0x102/0x170
[ 3052.948792][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3052.948792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.948792][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.948792][   T10]      netlink_unicast+0x449/0x710
[ 3052.948792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.948792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.948792][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.948792][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.948792][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.948792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.948792][   T10] 
[ 3052.950349][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3052.950349][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3052.950349][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3052.950349][   T10]      ipv6_find_idev+0x102/0x170
[ 3052.950349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3052.950349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.950349][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.950349][   T10]      netlink_unicast+0x449/0x710
[ 3052.950349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.950349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.950349][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.950349][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.950349][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.950349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.950349][   T10] 
[ 3052.952059][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3052.952300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.952300][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3052.952300][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3052.952300][   T10]      fib6_nh_init+0xa22/0x1580
[ 3052.952300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.952300][   T10]      ip6_route_add+0x1c/0x140
[ 3052.952300][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3052.952300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.952300][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.952300][   T10]      netlink_unicast+0x449/0x710
[ 3052.952300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.952300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.952300][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.952300][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.952300][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.952300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.952300][   T10] 
[ 3052.954204][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.954204][   T10]      dst_init+0x84/0x4a0
[ 3052.954204][   T10]      dst_alloc+0x97/0x150
[ 3052.954204][   T10]      ip6_dst_alloc+0x23/0x90
[ 3052.954204][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3052.954204][   T10]      ip6_pol_route+0x56f/0x840
[ 3052.954204][   T10]      fib6_rule_lookup+0x456/0x630
[ 3052.954204][   T10]      ip6_route_input+0x59c/0xa50
[ 3052.954204][   T10]      ipv6_rcv+0x397/0x810
[ 3052.954204][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3052.954204][   T10]      process_backlog+0x101/0x620
[ 3052.954204][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3052.954204][   T10]      net_rx_action+0x495/0xbe0
[ 3052.954204][   T10]      __do_softirq+0x1b5/0x7f6
[ 3052.954204][   T10] 
[ 3052.955826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.955826][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.955826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.955826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.955826][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3052.955826][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3052.955826][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3052.955826][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3052.955826][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3052.955826][   T10]      addrconf_dad_begin+0x310/0x670
[ 3052.955826][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3052.955826][   T10]      process_one_work+0x84d/0x18a0
[ 3052.955826][   T10]      worker_thread+0x587/0xd30
[ 3052.955826][   T10]      kthread+0x28a/0x350
[ 3052.955826][   T10]      ret_from_fork+0x31/0x70
[ 3052.955826][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3052.955826][   T10] 
[ 3052.957781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.957781][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.957781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.957781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.957781][   T10]      ip6_route_add+0x1c/0x140
[ 3052.957781][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3052.957781][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3052.957781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.957781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.957781][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.957781][   T10]      netlink_unicast+0x449/0x710
[ 3052.957781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.957781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.957781][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.957781][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.957781][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.957781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.957781][   T10] 
[ 3052.959797][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.959797][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.959797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.959797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.959797][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3052.959797][   T10]      ipv6_add_addr+0x411/0x2000
[ 3052.959797][   T10]      inet6_addr_add+0x30e/0xa40
[ 3052.959797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.959797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.959797][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.959797][   T10]      netlink_unicast+0x449/0x710
[ 3052.959797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.959797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.959797][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.959797][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.959797][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.959797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.959797][   T10] 
[ 3052.961807][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.961807][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.961807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.961807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.961807][   T10]      ip6_route_add+0x1c/0x140
[ 3052.961807][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3052.961807][   T10]      addrconf_add_dev+0xe2/0x170
[ 3052.961807][   T10]      inet6_addr_add+0x12f/0xa40
[ 3052.961807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.961807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.961807][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.961807][   T10]      netlink_unicast+0x449/0x710
[ 3052.961807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.961807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.961807][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.961807][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.961807][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.961807][   T10] 
[ 3052.963912][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.963912][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3052.963912][   T10]      ipv6_find_idev+0x102/0x170
[ 3052.963912][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3052.963912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.963912][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.963912][   T10]      netlink_unicast+0x449/0x710
[ 3052.963912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.963912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.963912][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.963912][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.963912][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.963912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.963912][   T10] 
[ 3052.965636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3052.965636][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3052.965636][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3052.965636][   T10]      ipv6_find_idev+0x102/0x170
[ 3052.965636][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3052.965636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.965636][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.965636][   T10]      netlink_unicast+0x449/0x710
[ 3052.965636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.965636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.965636][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.965636][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.965636][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.965636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.965636][   T10] 
[ 3052.967570][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3052.967903][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3052.967903][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.967903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.967903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.967903][   T10]      ip6_route_add+0x1c/0x140
[ 3052.967903][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3052.967903][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3052.967903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.967903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.967903][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.967903][   T10]      netlink_unicast+0x449/0x710
[ 3052.967903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.967903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.967903][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.967903][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.967903][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.967903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.967903][   T10] 
[ 3052.970088][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3052.970088][   T10]      netdev_get_by_index+0x5e/0x80
[ 3052.970088][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3052.970088][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3052.970088][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3052.970088][   T10]      ipv6_add_addr+0x411/0x2000
[ 3052.970088][   T10]      inet6_addr_add+0x30e/0xa40
[ 3052.970088][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3052.970088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.970088][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.970088][   T10]      netlink_unicast+0x449/0x710
[ 3052.970088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.970088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.970088][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.970088][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.970088][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.970088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.970088][   T10] 
[ 3052.972225][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3052.972225][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3052.972225][   T10]      ipv6_find_idev+0x102/0x170
[ 3052.972225][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3052.972225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.972225][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.972225][   T10]      netlink_unicast+0x449/0x710
[ 3052.972225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.972225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.972225][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.972225][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.972225][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.972225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.972225][   T10] 
[ 3052.973944][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3052.973944][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3052.973944][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3052.973944][   T10]      ipv6_find_idev+0x102/0x170
[ 3052.973944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3052.973944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3052.973944][   T10]      netlink_rcv_skb+0x130/0x360
[ 3052.973944][   T10]      netlink_unicast+0x449/0x710
[ 3052.973944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3052.973944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3052.973944][   T10]      ___sys_sendmsg+0xee/0x170
[ 3052.973944][   T10]      __sys_sendmsg+0xcd/0x170
[ 3052.973944][   T10]      do_syscall_64+0xc6/0x1e0
[ 3052.973944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3052.973944][   T10] 
[ 3063.192648][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3063.193097][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.193097][   T10]      dst_init+0x84/0x4a0
[ 3063.193097][   T10]      dst_alloc+0x97/0x150
[ 3063.193097][   T10]      ip6_dst_alloc+0x23/0x90
[ 3063.193097][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3063.193097][   T10]      ip6_pol_route+0x56f/0x840
[ 3063.193097][   T10]      fib6_rule_lookup+0x456/0x630
[ 3063.193097][   T10]      ip6_route_input+0x59c/0xa50
[ 3063.193097][   T10]      ipv6_rcv+0x397/0x810
[ 3063.193097][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3063.193097][   T10]      process_backlog+0x101/0x620
[ 3063.193097][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3063.193097][   T10]      net_rx_action+0x495/0xbe0
[ 3063.193097][   T10]      __do_softirq+0x1b5/0x7f6
[ 3063.193097][   T10] 
[ 3063.194936][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.194936][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3063.194936][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3063.194936][   T10]      fib6_nh_init+0xa22/0x1580
[ 3063.194936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.194936][   T10]      ip6_route_add+0x1c/0x140
[ 3063.194936][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3063.194936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.194936][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.194936][   T10]      netlink_unicast+0x449/0x710
[ 3063.194936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.194936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.194936][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.194936][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.194936][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.194936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.194936][   T10] 
[ 3063.197060][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.197060][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.197060][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.197060][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.197060][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3063.197060][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3063.197060][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3063.197060][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3063.197060][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3063.197060][   T10]      addrconf_dad_begin+0x310/0x670
[ 3063.197060][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3063.197060][   T10]      process_one_work+0x84d/0x18a0
[ 3063.197060][   T10]      worker_thread+0x587/0xd30
[ 3063.197060][   T10]      kthread+0x28a/0x350
[ 3063.197060][   T10]      ret_from_fork+0x31/0x70
[ 3063.197060][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3063.197060][   T10] 
[ 3063.199174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.199174][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.199174][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.199174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.199174][   T10]      ip6_route_add+0x1c/0x140
[ 3063.199174][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3063.199174][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3063.199174][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.199174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.199174][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.199174][   T10]      netlink_unicast+0x449/0x710
[ 3063.199174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.199174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.199174][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.199174][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.199174][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.199174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.199174][   T10] 
[ 3063.201408][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.201408][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.201408][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.201408][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.201408][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3063.201408][   T10]      ipv6_add_addr+0x411/0x2000
[ 3063.201408][   T10]      inet6_addr_add+0x30e/0xa40
[ 3063.201408][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.201408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.201408][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.201408][   T10]      netlink_unicast+0x449/0x710
[ 3063.201408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.201408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.201408][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.201408][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.201408][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.201408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.201408][   T10] 
[ 3063.203631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.203631][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.203631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.203631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.203631][   T10]      ip6_route_add+0x1c/0x140
[ 3063.203631][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3063.203631][   T10]      addrconf_add_dev+0xe2/0x170
[ 3063.203631][   T10]      inet6_addr_add+0x12f/0xa40
[ 3063.203631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.203631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.203631][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.203631][   T10]      netlink_unicast+0x449/0x710
[ 3063.203631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.203631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.203631][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.203631][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.203631][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.203631][   T10] 
[ 3063.205804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.205804][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3063.205804][   T10]      ipv6_find_idev+0x102/0x170
[ 3063.205804][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3063.205804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.205804][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.205804][   T10]      netlink_unicast+0x449/0x710
[ 3063.205804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.205804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.205804][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.205804][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.205804][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.205804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.205804][   T10] 
[ 3063.207501][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3063.207501][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3063.207501][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3063.207501][   T10]      ipv6_find_idev+0x102/0x170
[ 3063.207501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3063.207501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.207501][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.207501][   T10]      netlink_unicast+0x449/0x710
[ 3063.207501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.207501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.207501][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.207501][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.207501][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.207501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.207501][   T10] 
[ 3063.209371][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3063.209629][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.209629][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3063.209629][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3063.209629][   T10]      fib6_nh_init+0xa22/0x1580
[ 3063.209629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.209629][   T10]      ip6_route_add+0x1c/0x140
[ 3063.209629][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3063.209629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.209629][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.209629][   T10]      netlink_unicast+0x449/0x710
[ 3063.209629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.209629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.209629][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.209629][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.209629][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.209629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.209629][   T10] 
[ 3063.211747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.211747][   T10]      dst_init+0x84/0x4a0
[ 3063.211747][   T10]      dst_alloc+0x97/0x150
[ 3063.211747][   T10]      ip6_dst_alloc+0x23/0x90
[ 3063.211747][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3063.211747][   T10]      ip6_pol_route+0x56f/0x840
[ 3063.211747][   T10]      fib6_rule_lookup+0x456/0x630
[ 3063.211747][   T10]      ip6_route_input+0x59c/0xa50
[ 3063.211747][   T10]      ipv6_rcv+0x397/0x810
[ 3063.211747][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3063.211747][   T10]      process_backlog+0x101/0x620
[ 3063.211747][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3063.211747][   T10]      net_rx_action+0x495/0xbe0
[ 3063.211747][   T10]      __do_softirq+0x1b5/0x7f6
[ 3063.211747][   T10] 
[ 3063.213583][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.213583][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.213583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.213583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.213583][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3063.213583][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3063.213583][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3063.213583][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3063.213583][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3063.213583][   T10]      addrconf_dad_begin+0x310/0x670
[ 3063.213583][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3063.213583][   T10]      process_one_work+0x84d/0x18a0
[ 3063.213583][   T10]      worker_thread+0x587/0xd30
[ 3063.213583][   T10]      kthread+0x28a/0x350
[ 3063.213583][   T10]      ret_from_fork+0x31/0x70
[ 3063.213583][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3063.213583][   T10] 
[ 3063.215708][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.215708][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.215708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.215708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.215708][   T10]      ip6_route_add+0x1c/0x140
[ 3063.215708][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3063.215708][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3063.215708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.215708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.215708][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.215708][   T10]      netlink_unicast+0x449/0x710
[ 3063.215708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.215708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.215708][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.215708][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.215708][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.215708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.215708][   T10] 
[ 3063.217937][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.217937][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.217937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.217937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.217937][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3063.217937][   T10]      ipv6_add_addr+0x411/0x2000
[ 3063.217937][   T10]      inet6_addr_add+0x30e/0xa40
[ 3063.217937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.217937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.217937][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.217937][   T10]      netlink_unicast+0x449/0x710
[ 3063.217937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.217937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.217937][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.217937][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.217937][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.217937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.217937][   T10] 
[ 3063.220171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.220171][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.220171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.220171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.220171][   T10]      ip6_route_add+0x1c/0x140
[ 3063.220171][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3063.220171][   T10]      addrconf_add_dev+0xe2/0x170
[ 3063.220171][   T10]      inet6_addr_add+0x12f/0xa40
[ 3063.220171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.220171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.220171][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.220171][   T10]      netlink_unicast+0x449/0x710
[ 3063.220171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.220171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.220171][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.220171][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.220171][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.220171][   T10] 
[ 3063.222480][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.222480][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3063.222480][   T10]      ipv6_find_idev+0x102/0x170
[ 3063.222480][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3063.222480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.222480][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.222480][   T10]      netlink_unicast+0x449/0x710
[ 3063.222480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.222480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.222480][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.222480][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.222480][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.222480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.222480][   T10] 
[ 3063.224426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3063.224426][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3063.224426][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3063.224426][   T10]      ipv6_find_idev+0x102/0x170
[ 3063.224426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3063.224426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.224426][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.224426][   T10]      netlink_unicast+0x449/0x710
[ 3063.224426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.224426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.224426][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.224426][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.224426][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.224426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.224426][   T10] 
[ 3063.226469][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3063.226811][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3063.226811][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.226811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.226811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.226811][   T10]      ip6_route_add+0x1c/0x140
[ 3063.226811][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3063.226811][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3063.226811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.226811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.226811][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.226811][   T10]      netlink_unicast+0x449/0x710
[ 3063.226811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.226811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.226811][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.226811][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.226811][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.226811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.226811][   T10] 
[ 3063.229279][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3063.229279][   T10]      netdev_get_by_index+0x5e/0x80
[ 3063.229279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3063.229279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3063.229279][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3063.229279][   T10]      ipv6_add_addr+0x411/0x2000
[ 3063.229279][   T10]      inet6_addr_add+0x30e/0xa40
[ 3063.229279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3063.229279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.229279][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.229279][   T10]      netlink_unicast+0x449/0x710
[ 3063.229279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.229279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.229279][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.229279][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.229279][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.229279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.229279][   T10] 
[ 3063.231681][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3063.231681][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3063.231681][   T10]      ipv6_find_idev+0x102/0x170
[ 3063.231681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3063.231681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.231681][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.231681][   T10]      netlink_unicast+0x449/0x710
[ 3063.231681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.231681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.231681][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.231681][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.231681][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.231681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.231681][   T10] 
[ 3063.233571][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3063.233571][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3063.233571][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3063.233571][   T10]      ipv6_find_idev+0x102/0x170
[ 3063.233571][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3063.233571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3063.233571][   T10]      netlink_rcv_skb+0x130/0x360
[ 3063.233571][   T10]      netlink_unicast+0x449/0x710
[ 3063.233571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3063.233571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3063.233571][   T10]      ___sys_sendmsg+0xee/0x170
[ 3063.233571][   T10]      __sys_sendmsg+0xcd/0x170
[ 3063.233571][   T10]      do_syscall_64+0xc6/0x1e0
[ 3063.233571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3063.233571][   T10] 
[ 3073.472755][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3073.473431][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.473431][   T10]      dst_init+0x84/0x4a0
[ 3073.473431][   T10]      dst_alloc+0x97/0x150
[ 3073.473431][   T10]      ip6_dst_alloc+0x23/0x90
[ 3073.473431][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3073.473431][   T10]      ip6_pol_route+0x56f/0x840
[ 3073.473431][   T10]      fib6_rule_lookup+0x456/0x630
[ 3073.473431][   T10]      ip6_route_input+0x59c/0xa50
[ 3073.473431][   T10]      ipv6_rcv+0x397/0x810
[ 3073.473431][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3073.473431][   T10]      process_backlog+0x101/0x620
[ 3073.473431][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3073.473431][   T10]      net_rx_action+0x495/0xbe0
[ 3073.473431][   T10]      __do_softirq+0x1b5/0x7f6
[ 3073.473431][   T10] 
[ 3073.475093][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.475093][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3073.475093][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3073.475093][   T10]      fib6_nh_init+0xa22/0x1580
[ 3073.475093][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.475093][   T10]      ip6_route_add+0x1c/0x140
[ 3073.475093][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3073.475093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.475093][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.475093][   T10]      netlink_unicast+0x449/0x710
[ 3073.475093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.475093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.475093][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.475093][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.475093][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.475093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.475093][   T10] 
[ 3073.476975][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.476975][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.476975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.476975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.476975][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3073.476975][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3073.476975][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3073.476975][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3073.476975][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3073.476975][   T10]      addrconf_dad_begin+0x310/0x670
[ 3073.476975][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3073.476975][   T10]      process_one_work+0x84d/0x18a0
[ 3073.476975][   T10]      worker_thread+0x587/0xd30
[ 3073.476975][   T10]      kthread+0x28a/0x350
[ 3073.476975][   T10]      ret_from_fork+0x31/0x70
[ 3073.476975][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3073.476975][   T10] 
[ 3073.478881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.478881][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.478881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.478881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.478881][   T10]      ip6_route_add+0x1c/0x140
[ 3073.478881][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3073.478881][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3073.478881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.478881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.478881][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.478881][   T10]      netlink_unicast+0x449/0x710
[ 3073.478881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.478881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.478881][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.478881][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.478881][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.478881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.478881][   T10] 
[ 3073.480884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.480884][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.480884][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.480884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.480884][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3073.480884][   T10]      ipv6_add_addr+0x411/0x2000
[ 3073.480884][   T10]      inet6_addr_add+0x30e/0xa40
[ 3073.480884][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.480884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.480884][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.480884][   T10]      netlink_unicast+0x449/0x710
[ 3073.480884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.480884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.480884][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.480884][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.480884][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.480884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.480884][   T10] 
[ 3073.482891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.482891][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.482891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.482891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.482891][   T10]      ip6_route_add+0x1c/0x140
[ 3073.482891][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3073.482891][   T10]      addrconf_add_dev+0xe2/0x170
[ 3073.482891][   T10]      inet6_addr_add+0x12f/0xa40
[ 3073.482891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.482891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.482891][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.482891][   T10]      netlink_unicast+0x449/0x710
[ 3073.482891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.482891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.482891][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.482891][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.482891][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.482891][   T10] 
[ 3073.484862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.484862][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3073.484862][   T10]      ipv6_find_idev+0x102/0x170
[ 3073.484862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3073.484862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.484862][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.484862][   T10]      netlink_unicast+0x449/0x710
[ 3073.484862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.484862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.484862][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.484862][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.484862][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.484862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.484862][   T10] 
[ 3073.486406][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3073.486406][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3073.486406][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3073.486406][   T10]      ipv6_find_idev+0x102/0x170
[ 3073.486406][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3073.486406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.486406][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.486406][   T10]      netlink_unicast+0x449/0x710
[ 3073.486406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.486406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.486406][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.486406][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.486406][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.486406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.486406][   T10] 
[ 3073.488120][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3073.488362][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.488362][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3073.488362][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3073.488362][   T10]      fib6_nh_init+0xa22/0x1580
[ 3073.488362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.488362][   T10]      ip6_route_add+0x1c/0x140
[ 3073.488362][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3073.488362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.488362][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.488362][   T10]      netlink_unicast+0x449/0x710
[ 3073.488362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.488362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.488362][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.488362][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.488362][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.488362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.488362][   T10] 
[ 3073.490241][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.490241][   T10]      dst_init+0x84/0x4a0
[ 3073.490241][   T10]      dst_alloc+0x97/0x150
[ 3073.490241][   T10]      ip6_dst_alloc+0x23/0x90
[ 3073.490241][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3073.490241][   T10]      ip6_pol_route+0x56f/0x840
[ 3073.490241][   T10]      fib6_rule_lookup+0x456/0x630
[ 3073.490241][   T10]      ip6_route_input+0x59c/0xa50
[ 3073.490241][   T10]      ipv6_rcv+0x397/0x810
[ 3073.490241][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3073.490241][   T10]      process_backlog+0x101/0x620
[ 3073.490241][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3073.490241][   T10]      net_rx_action+0x495/0xbe0
[ 3073.490241][   T10]      __do_softirq+0x1b5/0x7f6
[ 3073.490241][   T10] 
[ 3073.491880][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.491880][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.491880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.491880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.491880][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3073.491880][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3073.491880][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3073.491880][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3073.491880][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3073.491880][   T10]      addrconf_dad_begin+0x310/0x670
[ 3073.491880][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3073.491880][   T10]      process_one_work+0x84d/0x18a0
[ 3073.491880][   T10]      worker_thread+0x587/0xd30
[ 3073.491880][   T10]      kthread+0x28a/0x350
[ 3073.491880][   T10]      ret_from_fork+0x31/0x70
[ 3073.491880][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3073.491880][   T10] 
[ 3073.493898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.493898][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.493898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.493898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.493898][   T10]      ip6_route_add+0x1c/0x140
[ 3073.493898][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3073.493898][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3073.493898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.493898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.493898][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.493898][   T10]      netlink_unicast+0x449/0x710
[ 3073.493898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.493898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.493898][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.493898][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.493898][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.493898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.493898][   T10] 
[ 3073.495902][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.495902][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.495902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.495902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.495902][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3073.495902][   T10]      ipv6_add_addr+0x411/0x2000
[ 3073.495902][   T10]      inet6_addr_add+0x30e/0xa40
[ 3073.495902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.495902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.495902][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.495902][   T10]      netlink_unicast+0x449/0x710
[ 3073.495902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.495902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.495902][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.495902][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.495902][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.495902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.495902][   T10] 
[ 3073.497891][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.497891][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.497891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.497891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.497891][   T10]      ip6_route_add+0x1c/0x140
[ 3073.497891][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3073.497891][   T10]      addrconf_add_dev+0xe2/0x170
[ 3073.497891][   T10]      inet6_addr_add+0x12f/0xa40
[ 3073.497891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.497891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.497891][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.497891][   T10]      netlink_unicast+0x449/0x710
[ 3073.497891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.497891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.497891][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.497891][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.497891][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.497891][   T10] 
[ 3073.500029][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.500029][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3073.500029][   T10]      ipv6_find_idev+0x102/0x170
[ 3073.500029][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3073.500029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.500029][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.500029][   T10]      netlink_unicast+0x449/0x710
[ 3073.500029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.500029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.500029][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.500029][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.500029][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.500029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.500029][   T10] 
[ 3073.501744][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3073.501744][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3073.501744][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3073.501744][   T10]      ipv6_find_idev+0x102/0x170
[ 3073.501744][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3073.501744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.501744][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.501744][   T10]      netlink_unicast+0x449/0x710
[ 3073.501744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.501744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.501744][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.501744][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.501744][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.501744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.501744][   T10] 
[ 3073.503668][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3073.503971][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3073.503971][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.503971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.503971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.503971][   T10]      ip6_route_add+0x1c/0x140
[ 3073.503971][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3073.503971][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3073.503971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.503971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.503971][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.503971][   T10]      netlink_unicast+0x449/0x710
[ 3073.503971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.503971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.503971][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.503971][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.503971][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.503971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.503971][   T10] 
[ 3073.506137][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3073.506137][   T10]      netdev_get_by_index+0x5e/0x80
[ 3073.506137][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3073.506137][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3073.506137][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3073.506137][   T10]      ipv6_add_addr+0x411/0x2000
[ 3073.506137][   T10]      inet6_addr_add+0x30e/0xa40
[ 3073.506137][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3073.506137][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.506137][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.506137][   T10]      netlink_unicast+0x449/0x710
[ 3073.506137][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.506137][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.506137][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.506137][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.506137][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.506137][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.506137][   T10] 
[ 3073.508374][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3073.508374][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3073.508374][   T10]      ipv6_find_idev+0x102/0x170
[ 3073.508374][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3073.508374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.508374][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.508374][   T10]      netlink_unicast+0x449/0x710
[ 3073.508374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.508374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.508374][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.508374][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.508374][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.508374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.508374][   T10] 
[ 3073.510103][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3073.510103][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3073.510103][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3073.510103][   T10]      ipv6_find_idev+0x102/0x170
[ 3073.510103][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3073.510103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3073.510103][   T10]      netlink_rcv_skb+0x130/0x360
[ 3073.510103][   T10]      netlink_unicast+0x449/0x710
[ 3073.510103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3073.510103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3073.510103][   T10]      ___sys_sendmsg+0xee/0x170
[ 3073.510103][   T10]      __sys_sendmsg+0xcd/0x170
[ 3073.510103][   T10]      do_syscall_64+0xc6/0x1e0
[ 3073.510103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3073.510103][   T10] 
[ 3083.752814][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3083.753543][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.753543][   T10]      dst_init+0x84/0x4a0
[ 3083.753543][   T10]      dst_alloc+0x97/0x150
[ 3083.753543][   T10]      ip6_dst_alloc+0x23/0x90
[ 3083.753543][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3083.753543][   T10]      ip6_pol_route+0x56f/0x840
[ 3083.753543][   T10]      fib6_rule_lookup+0x456/0x630
[ 3083.753543][   T10]      ip6_route_input+0x59c/0xa50
[ 3083.753543][   T10]      ipv6_rcv+0x397/0x810
[ 3083.753543][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3083.753543][   T10]      process_backlog+0x101/0x620
[ 3083.753543][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3083.753543][   T10]      net_rx_action+0x495/0xbe0
[ 3083.753543][   T10]      __do_softirq+0x1b5/0x7f6
[ 3083.753543][   T10] 
[ 3083.755178][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.755178][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3083.755178][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3083.755178][   T10]      fib6_nh_init+0xa22/0x1580
[ 3083.755178][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.755178][   T10]      ip6_route_add+0x1c/0x140
[ 3083.755178][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3083.755178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.755178][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.755178][   T10]      netlink_unicast+0x449/0x710
[ 3083.755178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.755178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.755178][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.755178][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.755178][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.755178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.755178][   T10] 
[ 3083.757059][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.757059][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.757059][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.757059][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.757059][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3083.757059][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3083.757059][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3083.757059][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3083.757059][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3083.757059][   T10]      addrconf_dad_begin+0x310/0x670
[ 3083.757059][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3083.757059][   T10]      process_one_work+0x84d/0x18a0
[ 3083.757059][   T10]      worker_thread+0x587/0xd30
[ 3083.757059][   T10]      kthread+0x28a/0x350
[ 3083.757059][   T10]      ret_from_fork+0x31/0x70
[ 3083.757059][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3083.757059][   T10] 
[ 3083.758926][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.758926][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.758926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.758926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.758926][   T10]      ip6_route_add+0x1c/0x140
[ 3083.758926][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3083.758926][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3083.758926][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.758926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.758926][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.758926][   T10]      netlink_unicast+0x449/0x710
[ 3083.758926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.758926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.758926][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.758926][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.758926][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.758926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.758926][   T10] 
[ 3083.760918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.760918][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.760918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.760918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.760918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3083.760918][   T10]      ipv6_add_addr+0x411/0x2000
[ 3083.760918][   T10]      inet6_addr_add+0x30e/0xa40
[ 3083.760918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.760918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.760918][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.760918][   T10]      netlink_unicast+0x449/0x710
[ 3083.760918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.760918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.760918][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.760918][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.760918][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.760918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.760918][   T10] 
[ 3083.762885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.762885][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.762885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.762885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.762885][   T10]      ip6_route_add+0x1c/0x140
[ 3083.762885][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3083.762885][   T10]      addrconf_add_dev+0xe2/0x170
[ 3083.762885][   T10]      inet6_addr_add+0x12f/0xa40
[ 3083.762885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.762885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.762885][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.762885][   T10]      netlink_unicast+0x449/0x710
[ 3083.762885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.762885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.762885][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.762885][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.762885][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.762885][   T10] 
[ 3083.764874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.764874][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3083.764874][   T10]      ipv6_find_idev+0x102/0x170
[ 3083.764874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3083.764874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.764874][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.764874][   T10]      netlink_unicast+0x449/0x710
[ 3083.764874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.764874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.764874][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.764874][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.764874][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.764874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.764874][   T10] 
[ 3083.766426][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3083.766426][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3083.766426][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3083.766426][   T10]      ipv6_find_idev+0x102/0x170
[ 3083.766426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3083.766426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.766426][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.766426][   T10]      netlink_unicast+0x449/0x710
[ 3083.766426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.766426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.766426][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.766426][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.766426][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.766426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.766426][   T10] 
[ 3083.768079][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3083.768312][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.768312][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3083.768312][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3083.768312][   T10]      fib6_nh_init+0xa22/0x1580
[ 3083.768312][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.768312][   T10]      ip6_route_add+0x1c/0x140
[ 3083.768312][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3083.768312][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.768312][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.768312][   T10]      netlink_unicast+0x449/0x710
[ 3083.768312][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.768312][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.768312][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.768312][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.768312][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.768312][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.768312][   T10] 
[ 3083.770199][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.770199][   T10]      dst_init+0x84/0x4a0
[ 3083.770199][   T10]      dst_alloc+0x97/0x150
[ 3083.770199][   T10]      ip6_dst_alloc+0x23/0x90
[ 3083.770199][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3083.770199][   T10]      ip6_pol_route+0x56f/0x840
[ 3083.770199][   T10]      fib6_rule_lookup+0x456/0x630
[ 3083.770199][   T10]      ip6_route_input+0x59c/0xa50
[ 3083.770199][   T10]      ipv6_rcv+0x397/0x810
[ 3083.770199][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3083.770199][   T10]      process_backlog+0x101/0x620
[ 3083.770199][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3083.770199][   T10]      net_rx_action+0x495/0xbe0
[ 3083.770199][   T10]      __do_softirq+0x1b5/0x7f6
[ 3083.770199][   T10] 
[ 3083.771964][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.771964][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.771964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.771964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.771964][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3083.771964][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3083.771964][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3083.771964][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3083.771964][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3083.771964][   T10]      addrconf_dad_begin+0x310/0x670
[ 3083.771964][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3083.771964][   T10]      process_one_work+0x84d/0x18a0
[ 3083.771964][   T10]      worker_thread+0x587/0xd30
[ 3083.771964][   T10]      kthread+0x28a/0x350
[ 3083.771964][   T10]      ret_from_fork+0x31/0x70
[ 3083.771964][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3083.771964][   T10] 
[ 3083.773896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.773896][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.773896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.773896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.773896][   T10]      ip6_route_add+0x1c/0x140
[ 3083.773896][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3083.773896][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3083.773896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.773896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.773896][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.773896][   T10]      netlink_unicast+0x449/0x710
[ 3083.773896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.773896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.773896][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.773896][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.773896][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.773896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.773896][   T10] 
[ 3083.775874][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.775874][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.775874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.775874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.775874][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3083.775874][   T10]      ipv6_add_addr+0x411/0x2000
[ 3083.775874][   T10]      inet6_addr_add+0x30e/0xa40
[ 3083.775874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.775874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.775874][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.775874][   T10]      netlink_unicast+0x449/0x710
[ 3083.775874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.775874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.775874][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.775874][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.775874][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.775874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.775874][   T10] 
[ 3083.777879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.777879][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.777879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.777879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.777879][   T10]      ip6_route_add+0x1c/0x140
[ 3083.777879][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3083.777879][   T10]      addrconf_add_dev+0xe2/0x170
[ 3083.777879][   T10]      inet6_addr_add+0x12f/0xa40
[ 3083.777879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.777879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.777879][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.777879][   T10]      netlink_unicast+0x449/0x710
[ 3083.777879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.777879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.777879][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.777879][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.777879][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.777879][   T10] 
[ 3083.780011][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.780011][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3083.780011][   T10]      ipv6_find_idev+0x102/0x170
[ 3083.780011][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3083.780011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.780011][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.780011][   T10]      netlink_unicast+0x449/0x710
[ 3083.780011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.780011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.780011][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.780011][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.780011][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.780011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.780011][   T10] 
[ 3083.781793][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3083.781793][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3083.781793][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3083.781793][   T10]      ipv6_find_idev+0x102/0x170
[ 3083.781793][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3083.781793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.781793][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.781793][   T10]      netlink_unicast+0x449/0x710
[ 3083.781793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.781793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.781793][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.781793][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.781793][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.781793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.781793][   T10] 
[ 3083.783660][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3083.783958][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3083.783958][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.783958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.783958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.783958][   T10]      ip6_route_add+0x1c/0x140
[ 3083.783958][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3083.783958][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3083.783958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.783958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.783958][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.783958][   T10]      netlink_unicast+0x449/0x710
[ 3083.783958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.783958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.783958][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.783958][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.783958][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.783958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.783958][   T10] 
[ 3083.786140][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3083.786140][   T10]      netdev_get_by_index+0x5e/0x80
[ 3083.786140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3083.786140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3083.786140][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3083.786140][   T10]      ipv6_add_addr+0x411/0x2000
[ 3083.786140][   T10]      inet6_addr_add+0x30e/0xa40
[ 3083.786140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3083.786140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.786140][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.786140][   T10]      netlink_unicast+0x449/0x710
[ 3083.786140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.786140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.786140][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.786140][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.786140][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.786140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.786140][   T10] 
[ 3083.788309][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3083.788309][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3083.788309][   T10]      ipv6_find_idev+0x102/0x170
[ 3083.788309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3083.788309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.788309][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.788309][   T10]      netlink_unicast+0x449/0x710
[ 3083.788309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.788309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.788309][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.788309][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.788309][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.788309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.788309][   T10] 
[ 3083.790086][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3083.790086][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3083.790086][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3083.790086][   T10]      ipv6_find_idev+0x102/0x170
[ 3083.790086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3083.790086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3083.790086][   T10]      netlink_rcv_skb+0x130/0x360
[ 3083.790086][   T10]      netlink_unicast+0x449/0x710
[ 3083.790086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3083.790086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3083.790086][   T10]      ___sys_sendmsg+0xee/0x170
[ 3083.790086][   T10]      __sys_sendmsg+0xcd/0x170
[ 3083.790086][   T10]      do_syscall_64+0xc6/0x1e0
[ 3083.790086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3083.790086][   T10] 
[ 3094.032793][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3094.033268][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.033268][   T10]      dst_init+0x84/0x4a0
[ 3094.033268][   T10]      dst_alloc+0x97/0x150
[ 3094.033268][   T10]      ip6_dst_alloc+0x23/0x90
[ 3094.033268][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3094.033268][   T10]      ip6_pol_route+0x56f/0x840
[ 3094.033268][   T10]      fib6_rule_lookup+0x456/0x630
[ 3094.033268][   T10]      ip6_route_input+0x59c/0xa50
[ 3094.033268][   T10]      ipv6_rcv+0x397/0x810
[ 3094.033268][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3094.033268][   T10]      process_backlog+0x101/0x620
[ 3094.033268][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3094.033268][   T10]      net_rx_action+0x495/0xbe0
[ 3094.033268][   T10]      __do_softirq+0x1b5/0x7f6
[ 3094.033268][   T10] 
[ 3094.034894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.034894][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3094.034894][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3094.034894][   T10]      fib6_nh_init+0xa22/0x1580
[ 3094.034894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.034894][   T10]      ip6_route_add+0x1c/0x140
[ 3094.034894][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3094.034894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.034894][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.034894][   T10]      netlink_unicast+0x449/0x710
[ 3094.034894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.034894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.034894][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.034894][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.034894][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.034894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.034894][   T10] 
[ 3094.036738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.036738][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.036738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.036738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.036738][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3094.036738][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3094.036738][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3094.036738][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3094.036738][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3094.036738][   T10]      addrconf_dad_begin+0x310/0x670
[ 3094.036738][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3094.036738][   T10]      process_one_work+0x84d/0x18a0
[ 3094.036738][   T10]      worker_thread+0x587/0xd30
[ 3094.036738][   T10]      kthread+0x28a/0x350
[ 3094.036738][   T10]      ret_from_fork+0x31/0x70
[ 3094.036738][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3094.036738][   T10] 
[ 3094.038639][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.038639][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.038639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.038639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.038639][   T10]      ip6_route_add+0x1c/0x140
[ 3094.038639][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3094.038639][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3094.038639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.038639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.038639][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.038639][   T10]      netlink_unicast+0x449/0x710
[ 3094.038639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.038639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.038639][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.038639][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.038639][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.038639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.038639][   T10] 
[ 3094.040605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.040605][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.040605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.040605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.040605][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3094.040605][   T10]      ipv6_add_addr+0x411/0x2000
[ 3094.040605][   T10]      inet6_addr_add+0x30e/0xa40
[ 3094.040605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.040605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.040605][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.040605][   T10]      netlink_unicast+0x449/0x710
[ 3094.040605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.040605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.040605][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.040605][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.040605][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.040605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.040605][   T10] 
[ 3094.042657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.042657][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.042657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.042657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.042657][   T10]      ip6_route_add+0x1c/0x140
[ 3094.042657][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3094.042657][   T10]      addrconf_add_dev+0xe2/0x170
[ 3094.042657][   T10]      inet6_addr_add+0x12f/0xa40
[ 3094.042657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.042657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.042657][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.042657][   T10]      netlink_unicast+0x449/0x710
[ 3094.042657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.042657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.042657][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.042657][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.042657][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.042657][   T10] 
[ 3094.044566][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.044566][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3094.044566][   T10]      ipv6_find_idev+0x102/0x170
[ 3094.044566][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.044566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.044566][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.044566][   T10]      netlink_unicast+0x449/0x710
[ 3094.044566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.044566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.044566][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.044566][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.044566][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.044566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.044566][   T10] 
[ 3094.046099][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3094.046099][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3094.046099][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3094.046099][   T10]      ipv6_find_idev+0x102/0x170
[ 3094.046099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.046099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.046099][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.046099][   T10]      netlink_unicast+0x449/0x710
[ 3094.046099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.046099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.046099][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.046099][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.046099][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.046099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.046099][   T10] 
[ 3094.047781][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3094.048013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.048013][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3094.048013][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3094.048013][   T10]      fib6_nh_init+0xa22/0x1580
[ 3094.048013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.048013][   T10]      ip6_route_add+0x1c/0x140
[ 3094.048013][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3094.048013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.048013][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.048013][   T10]      netlink_unicast+0x449/0x710
[ 3094.048013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.048013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.048013][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.048013][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.048013][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.048013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.048013][   T10] 
[ 3094.049895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.049895][   T10]      dst_init+0x84/0x4a0
[ 3094.049895][   T10]      dst_alloc+0x97/0x150
[ 3094.049895][   T10]      ip6_dst_alloc+0x23/0x90
[ 3094.049895][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3094.049895][   T10]      ip6_pol_route+0x56f/0x840
[ 3094.049895][   T10]      fib6_rule_lookup+0x456/0x630
[ 3094.049895][   T10]      ip6_route_input+0x59c/0xa50
[ 3094.049895][   T10]      ipv6_rcv+0x397/0x810
[ 3094.049895][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3094.049895][   T10]      process_backlog+0x101/0x620
[ 3094.049895][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3094.049895][   T10]      net_rx_action+0x495/0xbe0
[ 3094.049895][   T10]      __do_softirq+0x1b5/0x7f6
[ 3094.049895][   T10] 
[ 3094.051536][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.051536][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.051536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.051536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.051536][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3094.051536][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3094.051536][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3094.051536][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3094.051536][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3094.051536][   T10]      addrconf_dad_begin+0x310/0x670
[ 3094.051536][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3094.051536][   T10]      process_one_work+0x84d/0x18a0
[ 3094.051536][   T10]      worker_thread+0x587/0xd30
[ 3094.051536][   T10]      kthread+0x28a/0x350
[ 3094.051536][   T10]      ret_from_fork+0x31/0x70
[ 3094.051536][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3094.051536][   T10] 
[ 3094.053422][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.053422][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.053422][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.053422][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.053422][   T10]      ip6_route_add+0x1c/0x140
[ 3094.053422][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3094.053422][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3094.053422][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.053422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.053422][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.053422][   T10]      netlink_unicast+0x449/0x710
[ 3094.053422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.053422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.053422][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.053422][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.053422][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.053422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.053422][   T10] 
[ 3094.055374][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.055374][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.055374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.055374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.055374][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3094.055374][   T10]      ipv6_add_addr+0x411/0x2000
[ 3094.055374][   T10]      inet6_addr_add+0x30e/0xa40
[ 3094.055374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.055374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.055374][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.055374][   T10]      netlink_unicast+0x449/0x710
[ 3094.055374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.055374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.055374][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.055374][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.055374][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.055374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.055374][   T10] 
[ 3094.057342][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.057342][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.057342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.057342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.057342][   T10]      ip6_route_add+0x1c/0x140
[ 3094.057342][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3094.057342][   T10]      addrconf_add_dev+0xe2/0x170
[ 3094.057342][   T10]      inet6_addr_add+0x12f/0xa40
[ 3094.057342][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.057342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.057342][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.057342][   T10]      netlink_unicast+0x449/0x710
[ 3094.057342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.057342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.057342][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.057342][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.057342][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.057342][   T10] 
[ 3094.059517][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.059517][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3094.059517][   T10]      ipv6_find_idev+0x102/0x170
[ 3094.059517][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.059517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.059517][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.059517][   T10]      netlink_unicast+0x449/0x710
[ 3094.059517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.059517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.059517][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.059517][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.059517][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.059517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.059517][   T10] 
[ 3094.061263][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3094.061263][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3094.061263][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3094.061263][   T10]      ipv6_find_idev+0x102/0x170
[ 3094.061263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.061263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.061263][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.061263][   T10]      netlink_unicast+0x449/0x710
[ 3094.061263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.061263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.061263][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.061263][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.061263][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.061263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.061263][   T10] 
[ 3094.063196][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3094.063509][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3094.063509][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.063509][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.063509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.063509][   T10]      ip6_route_add+0x1c/0x140
[ 3094.063509][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3094.063509][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3094.063509][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.063509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.063509][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.063509][   T10]      netlink_unicast+0x449/0x710
[ 3094.063509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.063509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.063509][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.063509][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.063509][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.063509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.063509][   T10] 
[ 3094.065703][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3094.065703][   T10]      netdev_get_by_index+0x5e/0x80
[ 3094.065703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3094.065703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3094.065703][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3094.065703][   T10]      ipv6_add_addr+0x411/0x2000
[ 3094.065703][   T10]      inet6_addr_add+0x30e/0xa40
[ 3094.065703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3094.065703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.065703][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.065703][   T10]      netlink_unicast+0x449/0x710
[ 3094.065703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.065703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.065703][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.065703][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.065703][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.065703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.065703][   T10] 
[ 3094.067943][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3094.067943][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3094.067943][   T10]      ipv6_find_idev+0x102/0x170
[ 3094.067943][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.067943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.067943][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.067943][   T10]      netlink_unicast+0x449/0x710
[ 3094.067943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.067943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.067943][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.067943][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.067943][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.067943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.067943][   T10] 
[ 3094.069662][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3094.069662][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3094.069662][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3094.069662][   T10]      ipv6_find_idev+0x102/0x170
[ 3094.069662][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3094.069662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3094.069662][   T10]      netlink_rcv_skb+0x130/0x360
[ 3094.069662][   T10]      netlink_unicast+0x449/0x710
[ 3094.069662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3094.069662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3094.069662][   T10]      ___sys_sendmsg+0xee/0x170
[ 3094.069662][   T10]      __sys_sendmsg+0xcd/0x170
[ 3094.069662][   T10]      do_syscall_64+0xc6/0x1e0
[ 3094.069662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3094.069662][   T10] 
[ 3104.312869][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3104.313530][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.313530][   T10]      dst_init+0x84/0x4a0
[ 3104.313530][   T10]      dst_alloc+0x97/0x150
[ 3104.313530][   T10]      ip6_dst_alloc+0x23/0x90
[ 3104.313530][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3104.313530][   T10]      ip6_pol_route+0x56f/0x840
[ 3104.313530][   T10]      fib6_rule_lookup+0x456/0x630
[ 3104.313530][   T10]      ip6_route_input+0x59c/0xa50
[ 3104.313530][   T10]      ipv6_rcv+0x397/0x810
[ 3104.313530][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3104.313530][   T10]      process_backlog+0x101/0x620
[ 3104.313530][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3104.313530][   T10]      net_rx_action+0x495/0xbe0
[ 3104.313530][   T10]      __do_softirq+0x1b5/0x7f6
[ 3104.313530][   T10] 
[ 3104.315170][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.315170][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3104.315170][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3104.315170][   T10]      fib6_nh_init+0xa22/0x1580
[ 3104.315170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.315170][   T10]      ip6_route_add+0x1c/0x140
[ 3104.315170][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3104.315170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.315170][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.315170][   T10]      netlink_unicast+0x449/0x710
[ 3104.315170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.315170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.315170][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.315170][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.315170][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.315170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.315170][   T10] 
[ 3104.317024][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.317024][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.317024][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.317024][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.317024][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3104.317024][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3104.317024][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3104.317024][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3104.317024][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3104.317024][   T10]      addrconf_dad_begin+0x310/0x670
[ 3104.317024][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3104.317024][   T10]      process_one_work+0x84d/0x18a0
[ 3104.317024][   T10]      worker_thread+0x587/0xd30
[ 3104.317024][   T10]      kthread+0x28a/0x350
[ 3104.317024][   T10]      ret_from_fork+0x31/0x70
[ 3104.317024][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3104.317024][   T10] 
[ 3104.318935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.318935][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.318935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.318935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.318935][   T10]      ip6_route_add+0x1c/0x140
[ 3104.318935][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3104.318935][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3104.318935][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.318935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.318935][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.318935][   T10]      netlink_unicast+0x449/0x710
[ 3104.318935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.318935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.318935][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.318935][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.318935][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.318935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.318935][   T10] 
[ 3104.320940][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.320940][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.320940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.320940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.320940][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3104.320940][   T10]      ipv6_add_addr+0x411/0x2000
[ 3104.320940][   T10]      inet6_addr_add+0x30e/0xa40
[ 3104.320940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.320940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.320940][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.320940][   T10]      netlink_unicast+0x449/0x710
[ 3104.320940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.320940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.320940][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.320940][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.320940][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.320940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.320940][   T10] 
[ 3104.322906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.322906][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.322906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.322906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.322906][   T10]      ip6_route_add+0x1c/0x140
[ 3104.322906][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3104.322906][   T10]      addrconf_add_dev+0xe2/0x170
[ 3104.322906][   T10]      inet6_addr_add+0x12f/0xa40
[ 3104.322906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.322906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.322906][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.322906][   T10]      netlink_unicast+0x449/0x710
[ 3104.322906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.322906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.322906][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.322906][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.322906][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.322906][   T10] 
[ 3104.324890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.324890][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3104.324890][   T10]      ipv6_find_idev+0x102/0x170
[ 3104.324890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3104.324890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.324890][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.324890][   T10]      netlink_unicast+0x449/0x710
[ 3104.324890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.324890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.324890][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.324890][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.324890][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.324890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.324890][   T10] 
[ 3104.326429][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3104.326429][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3104.326429][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3104.326429][   T10]      ipv6_find_idev+0x102/0x170
[ 3104.326429][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3104.326429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.326429][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.326429][   T10]      netlink_unicast+0x449/0x710
[ 3104.326429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.326429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.326429][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.326429][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.326429][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.326429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.326429][   T10] 
[ 3104.328080][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3104.328321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.328321][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3104.328321][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3104.328321][   T10]      fib6_nh_init+0xa22/0x1580
[ 3104.328321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.328321][   T10]      ip6_route_add+0x1c/0x140
[ 3104.328321][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3104.328321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.328321][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.328321][   T10]      netlink_unicast+0x449/0x710
[ 3104.328321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.328321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.328321][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.328321][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.328321][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.328321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.328321][   T10] 
[ 3104.330197][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.330197][   T10]      dst_init+0x84/0x4a0
[ 3104.330197][   T10]      dst_alloc+0x97/0x150
[ 3104.330197][   T10]      ip6_dst_alloc+0x23/0x90
[ 3104.330197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3104.330197][   T10]      ip6_pol_route+0x56f/0x840
[ 3104.330197][   T10]      fib6_rule_lookup+0x456/0x630
[ 3104.330197][   T10]      ip6_route_input+0x59c/0xa50
[ 3104.330197][   T10]      ipv6_rcv+0x397/0x810
[ 3104.330197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3104.330197][   T10]      process_backlog+0x101/0x620
[ 3104.330197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3104.330197][   T10]      net_rx_action+0x495/0xbe0
[ 3104.330197][   T10]      __do_softirq+0x1b5/0x7f6
[ 3104.330197][   T10] 
[ 3104.331832][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.331832][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.331832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.331832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.331832][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3104.331832][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3104.331832][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3104.331832][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3104.331832][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3104.331832][   T10]      addrconf_dad_begin+0x310/0x670
[ 3104.331832][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3104.331832][   T10]      process_one_work+0x84d/0x18a0
[ 3104.331832][   T10]      worker_thread+0x587/0xd30
[ 3104.331832][   T10]      kthread+0x28a/0x350
[ 3104.331832][   T10]      ret_from_fork+0x31/0x70
[ 3104.331832][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3104.331832][   T10] 
[ 3104.333769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.333769][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.333769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.333769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.333769][   T10]      ip6_route_add+0x1c/0x140
[ 3104.333769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3104.333769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3104.333769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.333769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.333769][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.333769][   T10]      netlink_unicast+0x449/0x710
[ 3104.333769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.333769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.333769][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.333769][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.333769][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.333769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.333769][   T10] 
[ 3104.335790][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.335790][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.335790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.335790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.335790][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3104.335790][   T10]      ipv6_add_addr+0x411/0x2000
[ 3104.335790][   T10]      inet6_addr_add+0x30e/0xa40
[ 3104.335790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.335790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.335790][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.335790][   T10]      netlink_unicast+0x449/0x710
[ 3104.335790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.335790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.335790][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.335790][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.335790][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.335790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.335790][   T10] 
[ 3104.337783][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.337783][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.337783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.337783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.337783][   T10]      ip6_route_add+0x1c/0x140
[ 3104.337783][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3104.337783][   T10]      addrconf_add_dev+0xe2/0x170
[ 3104.337783][   T10]      inet6_addr_add+0x12f/0xa40
[ 3104.337783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.337783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.337783][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.337783][   T10]      netlink_unicast+0x449/0x710
[ 3104.337783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.337783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.337783][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.337783][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.337783][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.337783][   T10] 
[ 3104.339949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.339949][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3104.339949][   T10]      ipv6_find_idev+0x102/0x170
[ 3104.339949][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3104.339949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.339949][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.339949][   T10]      netlink_unicast+0x449/0x710
[ 3104.339949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.339949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.339949][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.339949][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.339949][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.339949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.339949][   T10] 
[ 3104.341742][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3104.341742][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3104.341742][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3104.341742][   T10]      ipv6_find_idev+0x102/0x170
[ 3104.341742][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3104.341742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.341742][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.341742][   T10]      netlink_unicast+0x449/0x710
[ 3104.341742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.341742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.341742][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.341742][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.341742][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.341742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.341742][   T10] 
[ 3104.343622][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3104.343936][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3104.343936][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.343936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.343936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.343936][   T10]      ip6_route_add+0x1c/0x140
[ 3104.343936][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3104.343936][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3104.343936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.343936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.343936][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.343936][   T10]      netlink_unicast+0x449/0x710
[ 3104.343936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.343936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.343936][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.343936][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.343936][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.343936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.343936][   T10] 
[ 3104.346136][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3104.346136][   T10]      netdev_get_by_index+0x5e/0x80
[ 3104.346136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3104.346136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3104.346136][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3104.346136][   T10]      ipv6_add_addr+0x411/0x2000
[ 3104.346136][   T10]      inet6_addr_add+0x30e/0xa40
[ 3104.346136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3104.346136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.346136][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.346136][   T10]      netlink_unicast+0x449/0x710
[ 3104.346136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.346136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.346136][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.346136][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.346136][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.346136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.346136][   T10] 
[ 3104.348913][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3104.348913][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3104.348913][   T10]      ipv6_find_idev+0x102/0x170
[ 3104.348913][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3104.348913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.348913][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.348913][   T10]      netlink_unicast+0x449/0x710
[ 3104.348913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.348913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.348913][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.348913][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.348913][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.348913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.348913][   T10] 
[ 3104.350716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3104.350716][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3104.350716][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3104.350716][   T10]      ipv6_find_idev+0x102/0x170
[ 3104.350716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3104.350716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3104.350716][   T10]      netlink_rcv_skb+0x130/0x360
[ 3104.350716][   T10]      netlink_unicast+0x449/0x710
[ 3104.350716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3104.350716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3104.350716][   T10]      ___sys_sendmsg+0xee/0x170
[ 3104.350716][   T10]      __sys_sendmsg+0xcd/0x170
[ 3104.350716][   T10]      do_syscall_64+0xc6/0x1e0
[ 3104.350716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3104.350716][   T10] 
[ 3114.592776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3114.593438][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.593438][   T10]      dst_init+0x84/0x4a0
[ 3114.593438][   T10]      dst_alloc+0x97/0x150
[ 3114.593438][   T10]      ip6_dst_alloc+0x23/0x90
[ 3114.593438][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3114.593438][   T10]      ip6_pol_route+0x56f/0x840
[ 3114.593438][   T10]      fib6_rule_lookup+0x456/0x630
[ 3114.593438][   T10]      ip6_route_input+0x59c/0xa50
[ 3114.593438][   T10]      ipv6_rcv+0x397/0x810
[ 3114.593438][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3114.593438][   T10]      process_backlog+0x101/0x620
[ 3114.593438][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3114.593438][   T10]      net_rx_action+0x495/0xbe0
[ 3114.593438][   T10]      __do_softirq+0x1b5/0x7f6
[ 3114.593438][   T10] 
[ 3114.595275][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.595275][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3114.595275][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3114.595275][   T10]      fib6_nh_init+0xa22/0x1580
[ 3114.595275][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.595275][   T10]      ip6_route_add+0x1c/0x140
[ 3114.595275][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3114.595275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.595275][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.595275][   T10]      netlink_unicast+0x449/0x710
[ 3114.595275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.595275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.595275][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.595275][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.595275][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.595275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.595275][   T10] 
[ 3114.597250][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.597250][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.597250][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.597250][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.597250][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3114.597250][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3114.597250][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3114.597250][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3114.597250][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3114.597250][   T10]      addrconf_dad_begin+0x310/0x670
[ 3114.597250][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3114.597250][   T10]      process_one_work+0x84d/0x18a0
[ 3114.597250][   T10]      worker_thread+0x587/0xd30
[ 3114.597250][   T10]      kthread+0x28a/0x350
[ 3114.597250][   T10]      ret_from_fork+0x31/0x70
[ 3114.597250][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3114.597250][   T10] 
[ 3114.599231][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.599231][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.599231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.599231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.599231][   T10]      ip6_route_add+0x1c/0x140
[ 3114.599231][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3114.599231][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3114.599231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.599231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.599231][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.599231][   T10]      netlink_unicast+0x449/0x710
[ 3114.599231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.599231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.599231][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.599231][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.599231][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.599231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.599231][   T10] 
[ 3114.601308][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.601308][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.601308][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.601308][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.601308][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3114.601308][   T10]      ipv6_add_addr+0x411/0x2000
[ 3114.601308][   T10]      inet6_addr_add+0x30e/0xa40
[ 3114.601308][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.601308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.601308][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.601308][   T10]      netlink_unicast+0x449/0x710
[ 3114.601308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.601308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.601308][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.601308][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.601308][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.601308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.601308][   T10] 
[ 3114.603404][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.603404][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.603404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.603404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.603404][   T10]      ip6_route_add+0x1c/0x140
[ 3114.603404][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3114.603404][   T10]      addrconf_add_dev+0xe2/0x170
[ 3114.603404][   T10]      inet6_addr_add+0x12f/0xa40
[ 3114.603404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.603404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.603404][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.603404][   T10]      netlink_unicast+0x449/0x710
[ 3114.603404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.603404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.603404][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.603404][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.603404][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.603404][   T10] 
[ 3114.605460][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.605460][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3114.605460][   T10]      ipv6_find_idev+0x102/0x170
[ 3114.605460][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3114.605460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.605460][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.605460][   T10]      netlink_unicast+0x449/0x710
[ 3114.605460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.605460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.605460][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.605460][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.605460][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.605460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.605460][   T10] 
[ 3114.607075][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3114.607075][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3114.607075][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3114.607075][   T10]      ipv6_find_idev+0x102/0x170
[ 3114.607075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3114.607075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.607075][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.607075][   T10]      netlink_unicast+0x449/0x710
[ 3114.607075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.607075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.607075][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.607075][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.607075][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.607075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.607075][   T10] 
[ 3114.608831][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3114.609080][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.609080][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3114.609080][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3114.609080][   T10]      fib6_nh_init+0xa22/0x1580
[ 3114.609080][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.609080][   T10]      ip6_route_add+0x1c/0x140
[ 3114.609080][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3114.609080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.609080][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.609080][   T10]      netlink_unicast+0x449/0x710
[ 3114.609080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.609080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.609080][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.609080][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.609080][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.609080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.609080][   T10] 
[ 3114.611064][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.611064][   T10]      dst_init+0x84/0x4a0
[ 3114.611064][   T10]      dst_alloc+0x97/0x150
[ 3114.611064][   T10]      ip6_dst_alloc+0x23/0x90
[ 3114.611064][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3114.611064][   T10]      ip6_pol_route+0x56f/0x840
[ 3114.611064][   T10]      fib6_rule_lookup+0x456/0x630
[ 3114.611064][   T10]      ip6_route_input+0x59c/0xa50
[ 3114.611064][   T10]      ipv6_rcv+0x397/0x810
[ 3114.611064][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3114.611064][   T10]      process_backlog+0x101/0x620
[ 3114.611064][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3114.611064][   T10]      net_rx_action+0x495/0xbe0
[ 3114.611064][   T10]      __do_softirq+0x1b5/0x7f6
[ 3114.611064][   T10] 
[ 3114.612764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.612764][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.612764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.612764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.612764][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3114.612764][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3114.612764][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3114.612764][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3114.612764][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3114.612764][   T10]      addrconf_dad_begin+0x310/0x670
[ 3114.612764][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3114.612764][   T10]      process_one_work+0x84d/0x18a0
[ 3114.612764][   T10]      worker_thread+0x587/0xd30
[ 3114.612764][   T10]      kthread+0x28a/0x350
[ 3114.612764][   T10]      ret_from_fork+0x31/0x70
[ 3114.612764][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3114.612764][   T10] 
[ 3114.614767][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.614767][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.614767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.614767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.614767][   T10]      ip6_route_add+0x1c/0x140
[ 3114.614767][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3114.614767][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3114.614767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.614767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.614767][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.614767][   T10]      netlink_unicast+0x449/0x710
[ 3114.614767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.614767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.614767][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.614767][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.614767][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.614767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.614767][   T10] 
[ 3114.616858][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.616858][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.616858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.616858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.616858][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3114.616858][   T10]      ipv6_add_addr+0x411/0x2000
[ 3114.616858][   T10]      inet6_addr_add+0x30e/0xa40
[ 3114.616858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.616858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.616858][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.616858][   T10]      netlink_unicast+0x449/0x710
[ 3114.616858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.616858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.616858][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.616858][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.616858][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.616858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.616858][   T10] 
[ 3114.618955][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.618955][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.618955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.618955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.618955][   T10]      ip6_route_add+0x1c/0x140
[ 3114.618955][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3114.618955][   T10]      addrconf_add_dev+0xe2/0x170
[ 3114.618955][   T10]      inet6_addr_add+0x12f/0xa40
[ 3114.618955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.618955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.618955][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.618955][   T10]      netlink_unicast+0x449/0x710
[ 3114.618955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.618955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.618955][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.618955][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.618955][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.618955][   T10] 
[ 3114.621187][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.621187][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3114.621187][   T10]      ipv6_find_idev+0x102/0x170
[ 3114.621187][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3114.621187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.621187][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.621187][   T10]      netlink_unicast+0x449/0x710
[ 3114.621187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.621187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.621187][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.621187][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.621187][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.621187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.621187][   T10] 
[ 3114.622969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3114.622969][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3114.622969][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3114.622969][   T10]      ipv6_find_idev+0x102/0x170
[ 3114.622969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3114.622969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.622969][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.622969][   T10]      netlink_unicast+0x449/0x710
[ 3114.622969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.622969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.622969][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.622969][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.622969][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.622969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.622969][   T10] 
[ 3114.624973][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3114.625287][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3114.625287][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.625287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.625287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.625287][   T10]      ip6_route_add+0x1c/0x140
[ 3114.625287][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3114.625287][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3114.625287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.625287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.625287][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.625287][   T10]      netlink_unicast+0x449/0x710
[ 3114.625287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.625287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.625287][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.625287][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.625287][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.625287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.625287][   T10] 
[ 3114.627550][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3114.627550][   T10]      netdev_get_by_index+0x5e/0x80
[ 3114.627550][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3114.627550][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3114.627550][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3114.627550][   T10]      ipv6_add_addr+0x411/0x2000
[ 3114.627550][   T10]      inet6_addr_add+0x30e/0xa40
[ 3114.627550][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3114.627550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.627550][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.627550][   T10]      netlink_unicast+0x449/0x710
[ 3114.627550][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.627550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.627550][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.627550][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.627550][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.627550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.627550][   T10] 
[ 3114.629880][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3114.629880][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3114.629880][   T10]      ipv6_find_idev+0x102/0x170
[ 3114.629880][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3114.629880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.629880][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.629880][   T10]      netlink_unicast+0x449/0x710
[ 3114.629880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.629880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.629880][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.629880][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.629880][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.629880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.629880][   T10] 
[ 3114.631674][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3114.631674][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3114.631674][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3114.631674][   T10]      ipv6_find_idev+0x102/0x170
[ 3114.631674][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3114.631674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3114.631674][   T10]      netlink_rcv_skb+0x130/0x360
[ 3114.631674][   T10]      netlink_unicast+0x449/0x710
[ 3114.631674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3114.631674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3114.631674][   T10]      ___sys_sendmsg+0xee/0x170
[ 3114.631674][   T10]      __sys_sendmsg+0xcd/0x170
[ 3114.631674][   T10]      do_syscall_64+0xc6/0x1e0
[ 3114.631674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3114.631674][   T10] 
[ 3124.872777][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3124.873178][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.873178][   T10]      dst_init+0x84/0x4a0
[ 3124.873178][   T10]      dst_alloc+0x97/0x150
[ 3124.873178][   T10]      ip6_dst_alloc+0x23/0x90
[ 3124.873178][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3124.873178][   T10]      ip6_pol_route+0x56f/0x840
[ 3124.873178][   T10]      fib6_rule_lookup+0x456/0x630
[ 3124.873178][   T10]      ip6_route_input+0x59c/0xa50
[ 3124.873178][   T10]      ipv6_rcv+0x397/0x810
[ 3124.873178][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3124.873178][   T10]      process_backlog+0x101/0x620
[ 3124.873178][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3124.873178][   T10]      net_rx_action+0x495/0xbe0
[ 3124.873178][   T10]      __do_softirq+0x1b5/0x7f6
[ 3124.873178][   T10] 
[ 3124.874841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.874841][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3124.874841][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3124.874841][   T10]      fib6_nh_init+0xa22/0x1580
[ 3124.874841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.874841][   T10]      ip6_route_add+0x1c/0x140
[ 3124.874841][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3124.874841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.874841][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.874841][   T10]      netlink_unicast+0x449/0x710
[ 3124.874841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.874841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.874841][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.874841][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.874841][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.874841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.874841][   T10] 
[ 3124.876709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.876709][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.876709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.876709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.876709][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3124.876709][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3124.876709][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3124.876709][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3124.876709][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3124.876709][   T10]      addrconf_dad_begin+0x310/0x670
[ 3124.876709][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3124.876709][   T10]      process_one_work+0x84d/0x18a0
[ 3124.876709][   T10]      worker_thread+0x587/0xd30
[ 3124.876709][   T10]      kthread+0x28a/0x350
[ 3124.876709][   T10]      ret_from_fork+0x31/0x70
[ 3124.876709][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3124.876709][   T10] 
[ 3124.878618][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.878618][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.878618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.878618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.878618][   T10]      ip6_route_add+0x1c/0x140
[ 3124.878618][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3124.878618][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3124.878618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.878618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.878618][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.878618][   T10]      netlink_unicast+0x449/0x710
[ 3124.878618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.878618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.878618][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.878618][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.878618][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.878618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.878618][   T10] 
[ 3124.880590][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.880590][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.880590][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.880590][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.880590][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3124.880590][   T10]      ipv6_add_addr+0x411/0x2000
[ 3124.880590][   T10]      inet6_addr_add+0x30e/0xa40
[ 3124.880590][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.880590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.880590][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.880590][   T10]      netlink_unicast+0x449/0x710
[ 3124.880590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.880590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.880590][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.880590][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.880590][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.880590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.880590][   T10] 
[ 3124.882605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.882605][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.882605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.882605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.882605][   T10]      ip6_route_add+0x1c/0x140
[ 3124.882605][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3124.882605][   T10]      addrconf_add_dev+0xe2/0x170
[ 3124.882605][   T10]      inet6_addr_add+0x12f/0xa40
[ 3124.882605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.882605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.882605][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.882605][   T10]      netlink_unicast+0x449/0x710
[ 3124.882605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.882605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.882605][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.882605][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.882605][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.882605][   T10] 
[ 3124.884516][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.884516][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3124.884516][   T10]      ipv6_find_idev+0x102/0x170
[ 3124.884516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3124.884516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.884516][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.884516][   T10]      netlink_unicast+0x449/0x710
[ 3124.884516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.884516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.884516][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.884516][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.884516][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.884516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.884516][   T10] 
[ 3124.886044][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3124.886044][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3124.886044][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3124.886044][   T10]      ipv6_find_idev+0x102/0x170
[ 3124.886044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3124.886044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.886044][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.886044][   T10]      netlink_unicast+0x449/0x710
[ 3124.886044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.886044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.886044][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.886044][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.886044][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.886044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.886044][   T10] 
[ 3124.887752][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3124.888097][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.888097][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3124.888097][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3124.888097][   T10]      fib6_nh_init+0xa22/0x1580
[ 3124.888097][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.888097][   T10]      ip6_route_add+0x1c/0x140
[ 3124.888097][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3124.888097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.888097][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.888097][   T10]      netlink_unicast+0x449/0x710
[ 3124.888097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.888097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.888097][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.888097][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.888097][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.888097][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.888097][   T10] 
[ 3124.890077][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.890077][   T10]      dst_init+0x84/0x4a0
[ 3124.890077][   T10]      dst_alloc+0x97/0x150
[ 3124.890077][   T10]      ip6_dst_alloc+0x23/0x90
[ 3124.890077][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3124.890077][   T10]      ip6_pol_route+0x56f/0x840
[ 3124.890077][   T10]      fib6_rule_lookup+0x456/0x630
[ 3124.890077][   T10]      ip6_route_input+0x59c/0xa50
[ 3124.890077][   T10]      ipv6_rcv+0x397/0x810
[ 3124.890077][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3124.890077][   T10]      process_backlog+0x101/0x620
[ 3124.890077][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3124.890077][   T10]      net_rx_action+0x495/0xbe0
[ 3124.890077][   T10]      __do_softirq+0x1b5/0x7f6
[ 3124.890077][   T10] 
[ 3124.891783][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.891783][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.891783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.891783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.891783][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3124.891783][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3124.891783][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3124.891783][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3124.891783][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3124.891783][   T10]      addrconf_dad_begin+0x310/0x670
[ 3124.891783][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3124.891783][   T10]      process_one_work+0x84d/0x18a0
[ 3124.891783][   T10]      worker_thread+0x587/0xd30
[ 3124.891783][   T10]      kthread+0x28a/0x350
[ 3124.891783][   T10]      ret_from_fork+0x31/0x70
[ 3124.891783][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3124.891783][   T10] 
[ 3124.893775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.893775][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.893775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.893775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.893775][   T10]      ip6_route_add+0x1c/0x140
[ 3124.893775][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3124.893775][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3124.893775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.893775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.893775][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.893775][   T10]      netlink_unicast+0x449/0x710
[ 3124.893775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.893775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.893775][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.893775][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.893775][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.893775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.893775][   T10] 
[ 3124.895861][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.895861][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.895861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.895861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.895861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3124.895861][   T10]      ipv6_add_addr+0x411/0x2000
[ 3124.895861][   T10]      inet6_addr_add+0x30e/0xa40
[ 3124.895861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.895861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.895861][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.895861][   T10]      netlink_unicast+0x449/0x710
[ 3124.895861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.895861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.895861][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.895861][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.895861][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.895861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.895861][   T10] 
[ 3124.897943][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.897943][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.897943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.897943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.897943][   T10]      ip6_route_add+0x1c/0x140
[ 3124.897943][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3124.897943][   T10]      addrconf_add_dev+0xe2/0x170
[ 3124.897943][   T10]      inet6_addr_add+0x12f/0xa40
[ 3124.897943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.897943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.897943][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.897943][   T10]      netlink_unicast+0x449/0x710
[ 3124.897943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.897943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.897943][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.897943][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.897943][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.897943][   T10] 
[ 3124.900171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.900171][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3124.900171][   T10]      ipv6_find_idev+0x102/0x170
[ 3124.900171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3124.900171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.900171][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.900171][   T10]      netlink_unicast+0x449/0x710
[ 3124.900171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.900171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.900171][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.900171][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.900171][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.900171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.900171][   T10] 
[ 3124.902022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3124.902022][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3124.902022][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3124.902022][   T10]      ipv6_find_idev+0x102/0x170
[ 3124.902022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3124.902022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.902022][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.902022][   T10]      netlink_unicast+0x449/0x710
[ 3124.902022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.902022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.902022][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.902022][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.902022][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.902022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.902022][   T10] 
[ 3124.903964][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3124.904266][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3124.904266][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.904266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.904266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.904266][   T10]      ip6_route_add+0x1c/0x140
[ 3124.904266][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3124.904266][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3124.904266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.904266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.904266][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.904266][   T10]      netlink_unicast+0x449/0x710
[ 3124.904266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.904266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.904266][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.904266][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.904266][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.904266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.904266][   T10] 
[ 3124.906545][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3124.906545][   T10]      netdev_get_by_index+0x5e/0x80
[ 3124.906545][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3124.906545][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3124.906545][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3124.906545][   T10]      ipv6_add_addr+0x411/0x2000
[ 3124.906545][   T10]      inet6_addr_add+0x30e/0xa40
[ 3124.906545][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3124.906545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.906545][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.906545][   T10]      netlink_unicast+0x449/0x710
[ 3124.906545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.906545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.906545][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.906545][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.906545][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.906545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.906545][   T10] 
[ 3124.908871][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3124.908871][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3124.908871][   T10]      ipv6_find_idev+0x102/0x170
[ 3124.908871][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3124.908871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.908871][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.908871][   T10]      netlink_unicast+0x449/0x710
[ 3124.908871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.908871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.908871][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.908871][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.908871][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.908871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.908871][   T10] 
[ 3124.910732][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3124.910732][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3124.910732][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3124.910732][   T10]      ipv6_find_idev+0x102/0x170
[ 3124.910732][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3124.910732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3124.910732][   T10]      netlink_rcv_skb+0x130/0x360
[ 3124.910732][   T10]      netlink_unicast+0x449/0x710
[ 3124.910732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3124.910732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3124.910732][   T10]      ___sys_sendmsg+0xee/0x170
[ 3124.910732][   T10]      __sys_sendmsg+0xcd/0x170
[ 3124.910732][   T10]      do_syscall_64+0xc6/0x1e0
[ 3124.910732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3124.910732][   T10] 
[ 3135.152763][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3135.154066][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.154066][   T10]      dst_init+0x84/0x4a0
[ 3135.154066][   T10]      dst_alloc+0x97/0x150
[ 3135.154066][   T10]      ip6_dst_alloc+0x23/0x90
[ 3135.154066][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3135.154066][   T10]      ip6_pol_route+0x56f/0x840
[ 3135.154066][   T10]      fib6_rule_lookup+0x456/0x630
[ 3135.154066][   T10]      ip6_route_input+0x59c/0xa50
[ 3135.154066][   T10]      ipv6_rcv+0x397/0x810
[ 3135.154066][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3135.154066][   T10]      process_backlog+0x101/0x620
[ 3135.154066][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3135.154066][   T10]      net_rx_action+0x495/0xbe0
[ 3135.154066][   T10]      __do_softirq+0x1b5/0x7f6
[ 3135.154066][   T10] 
[ 3135.155774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.155774][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3135.155774][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3135.155774][   T10]      fib6_nh_init+0xa22/0x1580
[ 3135.155774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.155774][   T10]      ip6_route_add+0x1c/0x140
[ 3135.155774][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3135.155774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.155774][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.155774][   T10]      netlink_unicast+0x449/0x710
[ 3135.155774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.155774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.155774][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.155774][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.155774][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.155774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.155774][   T10] 
[ 3135.157714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.157714][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.157714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.157714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.157714][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3135.157714][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3135.157714][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3135.157714][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3135.157714][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3135.157714][   T10]      addrconf_dad_begin+0x310/0x670
[ 3135.157714][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3135.157714][   T10]      process_one_work+0x84d/0x18a0
[ 3135.157714][   T10]      worker_thread+0x587/0xd30
[ 3135.157714][   T10]      kthread+0x28a/0x350
[ 3135.157714][   T10]      ret_from_fork+0x31/0x70
[ 3135.157714][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3135.157714][   T10] 
[ 3135.159679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.159679][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.159679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.159679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.159679][   T10]      ip6_route_add+0x1c/0x140
[ 3135.159679][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3135.159679][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3135.159679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.159679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.159679][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.159679][   T10]      netlink_unicast+0x449/0x710
[ 3135.159679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.159679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.159679][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.159679][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.159679][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.159679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.159679][   T10] 
[ 3135.161727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.161727][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.161727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.161727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.161727][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3135.161727][   T10]      ipv6_add_addr+0x411/0x2000
[ 3135.161727][   T10]      inet6_addr_add+0x30e/0xa40
[ 3135.161727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.161727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.161727][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.161727][   T10]      netlink_unicast+0x449/0x710
[ 3135.161727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.161727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.161727][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.161727][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.161727][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.161727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.161727][   T10] 
[ 3135.163774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.163774][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.163774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.163774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.163774][   T10]      ip6_route_add+0x1c/0x140
[ 3135.163774][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3135.163774][   T10]      addrconf_add_dev+0xe2/0x170
[ 3135.163774][   T10]      inet6_addr_add+0x12f/0xa40
[ 3135.163774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.163774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.163774][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.163774][   T10]      netlink_unicast+0x449/0x710
[ 3135.163774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.163774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.163774][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.163774][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.163774][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.163774][   T10] 
[ 3135.166226][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.166226][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3135.166226][   T10]      ipv6_find_idev+0x102/0x170
[ 3135.166226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.166226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.166226][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.166226][   T10]      netlink_unicast+0x449/0x710
[ 3135.166226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.166226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.166226][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.166226][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.166226][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.166226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.166226][   T10] 
[ 3135.167854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3135.167854][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3135.167854][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3135.167854][   T10]      ipv6_find_idev+0x102/0x170
[ 3135.167854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.167854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.167854][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.167854][   T10]      netlink_unicast+0x449/0x710
[ 3135.167854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.167854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.167854][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.167854][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.167854][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.167854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.167854][   T10] 
[ 3135.169712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3135.169968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.169968][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3135.169968][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3135.169968][   T10]      fib6_nh_init+0xa22/0x1580
[ 3135.169968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.169968][   T10]      ip6_route_add+0x1c/0x140
[ 3135.169968][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3135.169968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.169968][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.169968][   T10]      netlink_unicast+0x449/0x710
[ 3135.169968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.169968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.169968][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.169968][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.169968][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.169968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.169968][   T10] 
[ 3135.171867][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.171867][   T10]      dst_init+0x84/0x4a0
[ 3135.171867][   T10]      dst_alloc+0x97/0x150
[ 3135.171867][   T10]      ip6_dst_alloc+0x23/0x90
[ 3135.171867][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3135.171867][   T10]      ip6_pol_route+0x56f/0x840
[ 3135.171867][   T10]      fib6_rule_lookup+0x456/0x630
[ 3135.171867][   T10]      ip6_route_input+0x59c/0xa50
[ 3135.171867][   T10]      ipv6_rcv+0x397/0x810
[ 3135.171867][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3135.171867][   T10]      process_backlog+0x101/0x620
[ 3135.171867][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3135.171867][   T10]      net_rx_action+0x495/0xbe0
[ 3135.171867][   T10]      __do_softirq+0x1b5/0x7f6
[ 3135.171867][   T10] 
[ 3135.173496][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.173496][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.173496][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.173496][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.173496][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3135.173496][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3135.173496][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3135.173496][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3135.173496][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3135.173496][   T10]      addrconf_dad_begin+0x310/0x670
[ 3135.173496][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3135.173496][   T10]      process_one_work+0x84d/0x18a0
[ 3135.173496][   T10]      worker_thread+0x587/0xd30
[ 3135.173496][   T10]      kthread+0x28a/0x350
[ 3135.173496][   T10]      ret_from_fork+0x31/0x70
[ 3135.173496][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3135.173496][   T10] 
[ 3135.175411][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.175411][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.175411][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.175411][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.175411][   T10]      ip6_route_add+0x1c/0x140
[ 3135.175411][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3135.175411][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3135.175411][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.175411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.175411][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.175411][   T10]      netlink_unicast+0x449/0x710
[ 3135.175411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.175411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.175411][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.175411][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.175411][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.175411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.175411][   T10] 
[ 3135.177425][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.177425][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.177425][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.177425][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.177425][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3135.177425][   T10]      ipv6_add_addr+0x411/0x2000
[ 3135.177425][   T10]      inet6_addr_add+0x30e/0xa40
[ 3135.177425][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.177425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.177425][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.177425][   T10]      netlink_unicast+0x449/0x710
[ 3135.177425][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.177425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.177425][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.177425][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.177425][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.177425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.177425][   T10] 
[ 3135.179428][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.179428][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.179428][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.179428][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.179428][   T10]      ip6_route_add+0x1c/0x140
[ 3135.179428][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3135.179428][   T10]      addrconf_add_dev+0xe2/0x170
[ 3135.179428][   T10]      inet6_addr_add+0x12f/0xa40
[ 3135.179428][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.179428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.179428][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.179428][   T10]      netlink_unicast+0x449/0x710
[ 3135.179428][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.179428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.179428][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.179428][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.179428][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.179428][   T10] 
[ 3135.181524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.181524][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3135.181524][   T10]      ipv6_find_idev+0x102/0x170
[ 3135.181524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.181524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.181524][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.181524][   T10]      netlink_unicast+0x449/0x710
[ 3135.181524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.181524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.181524][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.181524][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.181524][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.181524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.181524][   T10] 
[ 3135.183275][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3135.183275][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3135.183275][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3135.183275][   T10]      ipv6_find_idev+0x102/0x170
[ 3135.183275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.183275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.183275][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.183275][   T10]      netlink_unicast+0x449/0x710
[ 3135.183275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.183275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.183275][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.183275][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.183275][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.183275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.183275][   T10] 
[ 3135.185227][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3135.185550][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3135.185550][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.185550][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.185550][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.185550][   T10]      ip6_route_add+0x1c/0x140
[ 3135.185550][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3135.185550][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3135.185550][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.185550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.185550][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.185550][   T10]      netlink_unicast+0x449/0x710
[ 3135.185550][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.185550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.185550][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.185550][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.185550][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.185550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.185550][   T10] 
[ 3135.187743][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3135.187743][   T10]      netdev_get_by_index+0x5e/0x80
[ 3135.187743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3135.187743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3135.187743][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3135.187743][   T10]      ipv6_add_addr+0x411/0x2000
[ 3135.187743][   T10]      inet6_addr_add+0x30e/0xa40
[ 3135.187743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3135.187743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.187743][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.187743][   T10]      netlink_unicast+0x449/0x710
[ 3135.187743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.187743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.187743][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.187743][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.187743][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.187743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.187743][   T10] 
[ 3135.189916][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3135.189916][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3135.189916][   T10]      ipv6_find_idev+0x102/0x170
[ 3135.189916][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.189916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.189916][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.189916][   T10]      netlink_unicast+0x449/0x710
[ 3135.189916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.189916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.189916][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.189916][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.189916][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.189916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.189916][   T10] 
[ 3135.191657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3135.191657][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3135.191657][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3135.191657][   T10]      ipv6_find_idev+0x102/0x170
[ 3135.191657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3135.191657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3135.191657][   T10]      netlink_rcv_skb+0x130/0x360
[ 3135.191657][   T10]      netlink_unicast+0x449/0x710
[ 3135.191657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3135.191657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3135.191657][   T10]      ___sys_sendmsg+0xee/0x170
[ 3135.191657][   T10]      __sys_sendmsg+0xcd/0x170
[ 3135.191657][   T10]      do_syscall_64+0xc6/0x1e0
[ 3135.191657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3135.191657][   T10] 
[ 3145.312773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3145.313523][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.313523][   T10]      dst_init+0x84/0x4a0
[ 3145.313523][   T10]      dst_alloc+0x97/0x150
[ 3145.313523][   T10]      ip6_dst_alloc+0x23/0x90
[ 3145.313523][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3145.313523][   T10]      ip6_pol_route+0x56f/0x840
[ 3145.313523][   T10]      fib6_rule_lookup+0x456/0x630
[ 3145.313523][   T10]      ip6_route_input+0x59c/0xa50
[ 3145.313523][   T10]      ipv6_rcv+0x397/0x810
[ 3145.313523][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3145.313523][   T10]      process_backlog+0x101/0x620
[ 3145.313523][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3145.313523][   T10]      net_rx_action+0x495/0xbe0
[ 3145.313523][   T10]      __do_softirq+0x1b5/0x7f6
[ 3145.313523][   T10] 
[ 3145.315186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.315186][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3145.315186][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3145.315186][   T10]      fib6_nh_init+0xa22/0x1580
[ 3145.315186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.315186][   T10]      ip6_route_add+0x1c/0x140
[ 3145.315186][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3145.315186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.315186][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.315186][   T10]      netlink_unicast+0x449/0x710
[ 3145.315186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.315186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.315186][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.315186][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.315186][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.315186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.315186][   T10] 
[ 3145.317409][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.317409][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.317409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.317409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.317409][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3145.317409][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3145.317409][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3145.317409][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3145.317409][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3145.317409][   T10]      addrconf_dad_begin+0x310/0x670
[ 3145.317409][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3145.317409][   T10]      process_one_work+0x84d/0x18a0
[ 3145.317409][   T10]      worker_thread+0x587/0xd30
[ 3145.317409][   T10]      kthread+0x28a/0x350
[ 3145.317409][   T10]      ret_from_fork+0x31/0x70
[ 3145.317409][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3145.317409][   T10] 
[ 3145.319266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.319266][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.319266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.319266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.319266][   T10]      ip6_route_add+0x1c/0x140
[ 3145.319266][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3145.319266][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3145.319266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.319266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.319266][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.319266][   T10]      netlink_unicast+0x449/0x710
[ 3145.319266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.319266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.319266][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.319266][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.319266][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.319266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.319266][   T10] 
[ 3145.321336][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.321336][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.321336][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.321336][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.321336][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3145.321336][   T10]      ipv6_add_addr+0x411/0x2000
[ 3145.321336][   T10]      inet6_addr_add+0x30e/0xa40
[ 3145.321336][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.321336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.321336][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.321336][   T10]      netlink_unicast+0x449/0x710
[ 3145.321336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.321336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.321336][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.321336][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.321336][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.321336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.321336][   T10] 
[ 3145.323418][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.323418][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.323418][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.323418][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.323418][   T10]      ip6_route_add+0x1c/0x140
[ 3145.323418][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3145.323418][   T10]      addrconf_add_dev+0xe2/0x170
[ 3145.323418][   T10]      inet6_addr_add+0x12f/0xa40
[ 3145.323418][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.323418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.323418][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.323418][   T10]      netlink_unicast+0x449/0x710
[ 3145.323418][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.323418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.323418][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.323418][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.323418][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.323418][   T10] 
[ 3145.325426][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.325426][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3145.325426][   T10]      ipv6_find_idev+0x102/0x170
[ 3145.325426][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3145.325426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.325426][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.325426][   T10]      netlink_unicast+0x449/0x710
[ 3145.325426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.325426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.325426][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.325426][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.325426][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.325426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.325426][   T10] 
[ 3145.326986][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3145.326986][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3145.326986][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3145.326986][   T10]      ipv6_find_idev+0x102/0x170
[ 3145.326986][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3145.326986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.326986][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.326986][   T10]      netlink_unicast+0x449/0x710
[ 3145.326986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.326986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.326986][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.326986][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.326986][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.326986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.326986][   T10] 
[ 3145.328729][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3145.328973][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.328973][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3145.328973][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3145.328973][   T10]      fib6_nh_init+0xa22/0x1580
[ 3145.328973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.328973][   T10]      ip6_route_add+0x1c/0x140
[ 3145.328973][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3145.328973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.328973][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.328973][   T10]      netlink_unicast+0x449/0x710
[ 3145.328973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.328973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.328973][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.328973][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.328973][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.328973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.328973][   T10] 
[ 3145.330898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.330898][   T10]      dst_init+0x84/0x4a0
[ 3145.330898][   T10]      dst_alloc+0x97/0x150
[ 3145.330898][   T10]      ip6_dst_alloc+0x23/0x90
[ 3145.330898][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3145.330898][   T10]      ip6_pol_route+0x56f/0x840
[ 3145.330898][   T10]      fib6_rule_lookup+0x456/0x630
[ 3145.330898][   T10]      ip6_route_input+0x59c/0xa50
[ 3145.330898][   T10]      ipv6_rcv+0x397/0x810
[ 3145.330898][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3145.330898][   T10]      process_backlog+0x101/0x620
[ 3145.330898][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3145.330898][   T10]      net_rx_action+0x495/0xbe0
[ 3145.330898][   T10]      __do_softirq+0x1b5/0x7f6
[ 3145.330898][   T10] 
[ 3145.333113][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.333113][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.333113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.333113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.333113][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3145.333113][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3145.333113][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3145.333113][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3145.333113][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3145.333113][   T10]      addrconf_dad_begin+0x310/0x670
[ 3145.333113][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3145.333113][   T10]      process_one_work+0x84d/0x18a0
[ 3145.333113][   T10]      worker_thread+0x587/0xd30
[ 3145.333113][   T10]      kthread+0x28a/0x350
[ 3145.333113][   T10]      ret_from_fork+0x31/0x70
[ 3145.333113][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3145.333113][   T10] 
[ 3145.335155][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.335155][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.335155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.335155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.335155][   T10]      ip6_route_add+0x1c/0x140
[ 3145.335155][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3145.335155][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3145.335155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.335155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.335155][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.335155][   T10]      netlink_unicast+0x449/0x710
[ 3145.335155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.335155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.335155][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.335155][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.335155][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.335155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.335155][   T10] 
[ 3145.337185][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.337185][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.337185][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.337185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.337185][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3145.337185][   T10]      ipv6_add_addr+0x411/0x2000
[ 3145.337185][   T10]      inet6_addr_add+0x30e/0xa40
[ 3145.337185][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.337185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.337185][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.337185][   T10]      netlink_unicast+0x449/0x710
[ 3145.337185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.337185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.337185][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.337185][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.337185][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.337185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.337185][   T10] 
[ 3145.339184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.339184][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.339184][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.339184][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.339184][   T10]      ip6_route_add+0x1c/0x140
[ 3145.339184][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3145.339184][   T10]      addrconf_add_dev+0xe2/0x170
[ 3145.339184][   T10]      inet6_addr_add+0x12f/0xa40
[ 3145.339184][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.339184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.339184][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.339184][   T10]      netlink_unicast+0x449/0x710
[ 3145.339184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.339184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.339184][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.339184][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.339184][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.339184][   T10] 
[ 3145.341379][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.341379][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3145.341379][   T10]      ipv6_find_idev+0x102/0x170
[ 3145.341379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3145.341379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.341379][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.341379][   T10]      netlink_unicast+0x449/0x710
[ 3145.341379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.341379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.341379][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.341379][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.341379][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.341379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.341379][   T10] 
[ 3145.343544][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3145.343544][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3145.343544][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3145.343544][   T10]      ipv6_find_idev+0x102/0x170
[ 3145.343544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3145.343544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.343544][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.343544][   T10]      netlink_unicast+0x449/0x710
[ 3145.343544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.343544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.343544][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.343544][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.343544][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.343544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.343544][   T10] 
[ 3145.345445][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3145.345704][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3145.345704][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.345704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.345704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.345704][   T10]      ip6_route_add+0x1c/0x140
[ 3145.345704][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3145.345704][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3145.345704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.345704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.345704][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.345704][   T10]      netlink_unicast+0x449/0x710
[ 3145.345704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.345704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.345704][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.345704][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.345704][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.345704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.345704][   T10] 
[ 3145.348067][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3145.348067][   T10]      netdev_get_by_index+0x5e/0x80
[ 3145.348067][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3145.348067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3145.348067][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3145.348067][   T10]      ipv6_add_addr+0x411/0x2000
[ 3145.348067][   T10]      inet6_addr_add+0x30e/0xa40
[ 3145.348067][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3145.348067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.348067][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.348067][   T10]      netlink_unicast+0x449/0x710
[ 3145.348067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.348067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.348067][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.348067][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.348067][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.348067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.348067][   T10] 
[ 3145.350318][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3145.350318][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3145.350318][   T10]      ipv6_find_idev+0x102/0x170
[ 3145.350318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3145.350318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.350318][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.350318][   T10]      netlink_unicast+0x449/0x710
[ 3145.350318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.350318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.350318][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.350318][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.350318][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.350318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.350318][   T10] 
[ 3145.352113][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3145.352113][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3145.352113][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3145.352113][   T10]      ipv6_find_idev+0x102/0x170
[ 3145.352113][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3145.352113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3145.352113][   T10]      netlink_rcv_skb+0x130/0x360
[ 3145.352113][   T10]      netlink_unicast+0x449/0x710
[ 3145.352113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3145.352113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3145.352113][   T10]      ___sys_sendmsg+0xee/0x170
[ 3145.352113][   T10]      __sys_sendmsg+0xcd/0x170
[ 3145.352113][   T10]      do_syscall_64+0xc6/0x1e0
[ 3145.352113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3145.352113][   T10] 
[ 3155.592778][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3155.593489][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.593489][   T10]      dst_init+0x84/0x4a0
[ 3155.593489][   T10]      dst_alloc+0x97/0x150
[ 3155.593489][   T10]      ip6_dst_alloc+0x23/0x90
[ 3155.593489][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3155.593489][   T10]      ip6_pol_route+0x56f/0x840
[ 3155.593489][   T10]      fib6_rule_lookup+0x456/0x630
[ 3155.593489][   T10]      ip6_route_input+0x59c/0xa50
[ 3155.593489][   T10]      ipv6_rcv+0x397/0x810
[ 3155.593489][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3155.593489][   T10]      process_backlog+0x101/0x620
[ 3155.593489][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3155.593489][   T10]      net_rx_action+0x495/0xbe0
[ 3155.593489][   T10]      __do_softirq+0x1b5/0x7f6
[ 3155.593489][   T10] 
[ 3155.595137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.595137][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3155.595137][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3155.595137][   T10]      fib6_nh_init+0xa22/0x1580
[ 3155.595137][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.595137][   T10]      ip6_route_add+0x1c/0x140
[ 3155.595137][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3155.595137][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.595137][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.595137][   T10]      netlink_unicast+0x449/0x710
[ 3155.595137][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.595137][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.595137][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.595137][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.595137][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.595137][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.595137][   T10] 
[ 3155.596907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.596907][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.596907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.596907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.596907][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3155.596907][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3155.596907][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3155.596907][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3155.596907][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3155.596907][   T10]      addrconf_dad_begin+0x310/0x670
[ 3155.596907][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3155.596907][   T10]      process_one_work+0x84d/0x18a0
[ 3155.596907][   T10]      worker_thread+0x587/0xd30
[ 3155.596907][   T10]      kthread+0x28a/0x350
[ 3155.596907][   T10]      ret_from_fork+0x31/0x70
[ 3155.596907][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3155.596907][   T10] 
[ 3155.598718][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.598718][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.598718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.598718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.598718][   T10]      ip6_route_add+0x1c/0x140
[ 3155.598718][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3155.598718][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3155.598718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.598718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.598718][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.598718][   T10]      netlink_unicast+0x449/0x710
[ 3155.598718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.598718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.598718][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.598718][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.598718][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.598718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.598718][   T10] 
[ 3155.600751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.600751][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.600751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.600751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.600751][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3155.600751][   T10]      ipv6_add_addr+0x411/0x2000
[ 3155.600751][   T10]      inet6_addr_add+0x30e/0xa40
[ 3155.600751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.600751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.600751][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.600751][   T10]      netlink_unicast+0x449/0x710
[ 3155.600751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.600751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.600751][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.600751][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.600751][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.600751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.600751][   T10] 
[ 3155.602799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.602799][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.602799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.602799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.602799][   T10]      ip6_route_add+0x1c/0x140
[ 3155.602799][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3155.602799][   T10]      addrconf_add_dev+0xe2/0x170
[ 3155.602799][   T10]      inet6_addr_add+0x12f/0xa40
[ 3155.602799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.602799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.602799][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.602799][   T10]      netlink_unicast+0x449/0x710
[ 3155.602799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.602799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.602799][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.602799][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.602799][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.602799][   T10] 
[ 3155.604808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.604808][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3155.604808][   T10]      ipv6_find_idev+0x102/0x170
[ 3155.604808][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3155.604808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.604808][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.604808][   T10]      netlink_unicast+0x449/0x710
[ 3155.604808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.604808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.604808][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.604808][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.604808][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.604808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.604808][   T10] 
[ 3155.606382][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3155.606382][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3155.606382][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3155.606382][   T10]      ipv6_find_idev+0x102/0x170
[ 3155.606382][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3155.606382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.606382][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.606382][   T10]      netlink_unicast+0x449/0x710
[ 3155.606382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.606382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.606382][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.606382][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.606382][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.606382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.606382][   T10] 
[ 3155.608163][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3155.608413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.608413][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3155.608413][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3155.608413][   T10]      fib6_nh_init+0xa22/0x1580
[ 3155.608413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.608413][   T10]      ip6_route_add+0x1c/0x140
[ 3155.608413][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3155.608413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.608413][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.608413][   T10]      netlink_unicast+0x449/0x710
[ 3155.608413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.608413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.608413][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.608413][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.608413][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.608413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.608413][   T10] 
[ 3155.610725][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.610725][   T10]      dst_init+0x84/0x4a0
[ 3155.610725][   T10]      dst_alloc+0x97/0x150
[ 3155.610725][   T10]      ip6_dst_alloc+0x23/0x90
[ 3155.610725][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3155.610725][   T10]      ip6_pol_route+0x56f/0x840
[ 3155.610725][   T10]      fib6_rule_lookup+0x456/0x630
[ 3155.610725][   T10]      ip6_route_input+0x59c/0xa50
[ 3155.610725][   T10]      ipv6_rcv+0x397/0x810
[ 3155.610725][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3155.610725][   T10]      process_backlog+0x101/0x620
[ 3155.610725][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3155.610725][   T10]      net_rx_action+0x495/0xbe0
[ 3155.610725][   T10]      __do_softirq+0x1b5/0x7f6
[ 3155.610725][   T10] 
[ 3155.612422][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.612422][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.612422][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.612422][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.612422][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3155.612422][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3155.612422][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3155.612422][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3155.612422][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3155.612422][   T10]      addrconf_dad_begin+0x310/0x670
[ 3155.612422][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3155.612422][   T10]      process_one_work+0x84d/0x18a0
[ 3155.612422][   T10]      worker_thread+0x587/0xd30
[ 3155.612422][   T10]      kthread+0x28a/0x350
[ 3155.612422][   T10]      ret_from_fork+0x31/0x70
[ 3155.612422][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3155.612422][   T10] 
[ 3155.614361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.614361][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.614361][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.614361][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.614361][   T10]      ip6_route_add+0x1c/0x140
[ 3155.614361][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3155.614361][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3155.614361][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.614361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.614361][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.614361][   T10]      netlink_unicast+0x449/0x710
[ 3155.614361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.614361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.614361][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.614361][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.614361][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.614361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.614361][   T10] 
[ 3155.616386][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.616386][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.616386][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.616386][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.616386][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3155.616386][   T10]      ipv6_add_addr+0x411/0x2000
[ 3155.616386][   T10]      inet6_addr_add+0x30e/0xa40
[ 3155.616386][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.616386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.616386][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.616386][   T10]      netlink_unicast+0x449/0x710
[ 3155.616386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.616386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.616386][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.616386][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.616386][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.616386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.616386][   T10] 
[ 3155.618379][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.618379][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.618379][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.618379][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.618379][   T10]      ip6_route_add+0x1c/0x140
[ 3155.618379][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3155.618379][   T10]      addrconf_add_dev+0xe2/0x170
[ 3155.618379][   T10]      inet6_addr_add+0x12f/0xa40
[ 3155.618379][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.618379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.618379][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.618379][   T10]      netlink_unicast+0x449/0x710
[ 3155.618379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.618379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.618379][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.618379][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.618379][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.618379][   T10] 
[ 3155.620529][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.620529][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3155.620529][   T10]      ipv6_find_idev+0x102/0x170
[ 3155.620529][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3155.620529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.620529][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.620529][   T10]      netlink_unicast+0x449/0x710
[ 3155.620529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.620529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.620529][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.620529][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.620529][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.620529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.620529][   T10] 
[ 3155.622352][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3155.622352][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3155.622352][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3155.622352][   T10]      ipv6_find_idev+0x102/0x170
[ 3155.622352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3155.622352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.622352][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.622352][   T10]      netlink_unicast+0x449/0x710
[ 3155.622352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.622352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.622352][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.622352][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.622352][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.622352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.622352][   T10] 
[ 3155.624293][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3155.624536][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3155.624536][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.624536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.624536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.624536][   T10]      ip6_route_add+0x1c/0x140
[ 3155.624536][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3155.624536][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3155.624536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.624536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.624536][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.624536][   T10]      netlink_unicast+0x449/0x710
[ 3155.624536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.624536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.624536][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.624536][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.624536][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.624536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.624536][   T10] 
[ 3155.626770][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3155.626770][   T10]      netdev_get_by_index+0x5e/0x80
[ 3155.626770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3155.626770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3155.626770][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3155.626770][   T10]      ipv6_add_addr+0x411/0x2000
[ 3155.626770][   T10]      inet6_addr_add+0x30e/0xa40
[ 3155.626770][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3155.626770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.626770][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.626770][   T10]      netlink_unicast+0x449/0x710
[ 3155.626770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.626770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.626770][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.626770][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.626770][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.626770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.626770][   T10] 
[ 3155.628980][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3155.628980][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3155.628980][   T10]      ipv6_find_idev+0x102/0x170
[ 3155.628980][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3155.628980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.628980][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.628980][   T10]      netlink_unicast+0x449/0x710
[ 3155.628980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.628980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.628980][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.628980][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.628980][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.628980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.628980][   T10] 
[ 3155.630738][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3155.630738][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3155.630738][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3155.630738][   T10]      ipv6_find_idev+0x102/0x170
[ 3155.630738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3155.630738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3155.630738][   T10]      netlink_rcv_skb+0x130/0x360
[ 3155.630738][   T10]      netlink_unicast+0x449/0x710
[ 3155.630738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3155.630738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3155.630738][   T10]      ___sys_sendmsg+0xee/0x170
[ 3155.630738][   T10]      __sys_sendmsg+0xcd/0x170
[ 3155.630738][   T10]      do_syscall_64+0xc6/0x1e0
[ 3155.630738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3155.630738][   T10] 
[ 3165.872791][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3165.873277][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.873277][   T10]      dst_init+0x84/0x4a0
[ 3165.873277][   T10]      dst_alloc+0x97/0x150
[ 3165.873277][   T10]      ip6_dst_alloc+0x23/0x90
[ 3165.873277][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3165.873277][   T10]      ip6_pol_route+0x56f/0x840
[ 3165.873277][   T10]      fib6_rule_lookup+0x456/0x630
[ 3165.873277][   T10]      ip6_route_input+0x59c/0xa50
[ 3165.873277][   T10]      ipv6_rcv+0x397/0x810
[ 3165.873277][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3165.873277][   T10]      process_backlog+0x101/0x620
[ 3165.873277][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3165.873277][   T10]      net_rx_action+0x495/0xbe0
[ 3165.873277][   T10]      __do_softirq+0x1b5/0x7f6
[ 3165.873277][   T10] 
[ 3165.874863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.874863][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3165.874863][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3165.874863][   T10]      fib6_nh_init+0xa22/0x1580
[ 3165.874863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.874863][   T10]      ip6_route_add+0x1c/0x140
[ 3165.874863][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3165.874863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.874863][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.874863][   T10]      netlink_unicast+0x449/0x710
[ 3165.874863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.874863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.874863][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.874863][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.874863][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.874863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.874863][   T10] 
[ 3165.876690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.876690][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.876690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.876690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.876690][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3165.876690][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3165.876690][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3165.876690][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3165.876690][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3165.876690][   T10]      addrconf_dad_begin+0x310/0x670
[ 3165.876690][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3165.876690][   T10]      process_one_work+0x84d/0x18a0
[ 3165.876690][   T10]      worker_thread+0x587/0xd30
[ 3165.876690][   T10]      kthread+0x28a/0x350
[ 3165.876690][   T10]      ret_from_fork+0x31/0x70
[ 3165.876690][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3165.876690][   T10] 
[ 3165.878619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.878619][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.878619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.878619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.878619][   T10]      ip6_route_add+0x1c/0x140
[ 3165.878619][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3165.878619][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3165.878619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.878619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.878619][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.878619][   T10]      netlink_unicast+0x449/0x710
[ 3165.878619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.878619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.878619][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.878619][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.878619][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.878619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.878619][   T10] 
[ 3165.880609][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.880609][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.880609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.880609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.880609][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3165.880609][   T10]      ipv6_add_addr+0x411/0x2000
[ 3165.880609][   T10]      inet6_addr_add+0x30e/0xa40
[ 3165.880609][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.880609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.880609][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.880609][   T10]      netlink_unicast+0x449/0x710
[ 3165.880609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.880609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.880609][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.880609][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.880609][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.880609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.880609][   T10] 
[ 3165.882626][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.882626][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.882626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.882626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.882626][   T10]      ip6_route_add+0x1c/0x140
[ 3165.882626][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3165.882626][   T10]      addrconf_add_dev+0xe2/0x170
[ 3165.882626][   T10]      inet6_addr_add+0x12f/0xa40
[ 3165.882626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.882626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.882626][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.882626][   T10]      netlink_unicast+0x449/0x710
[ 3165.882626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.882626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.882626][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.882626][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.882626][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.882626][   T10] 
[ 3165.884568][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.884568][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3165.884568][   T10]      ipv6_find_idev+0x102/0x170
[ 3165.884568][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3165.884568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.884568][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.884568][   T10]      netlink_unicast+0x449/0x710
[ 3165.884568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.884568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.884568][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.884568][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.884568][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.884568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.884568][   T10] 
[ 3165.886119][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3165.886119][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3165.886119][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3165.886119][   T10]      ipv6_find_idev+0x102/0x170
[ 3165.886119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3165.886119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.886119][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.886119][   T10]      netlink_unicast+0x449/0x710
[ 3165.886119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.886119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.886119][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.886119][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.886119][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.886119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.886119][   T10] 
[ 3165.887822][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3165.888069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.888069][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3165.888069][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3165.888069][   T10]      fib6_nh_init+0xa22/0x1580
[ 3165.888069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.888069][   T10]      ip6_route_add+0x1c/0x140
[ 3165.888069][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3165.888069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.888069][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.888069][   T10]      netlink_unicast+0x449/0x710
[ 3165.888069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.888069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.888069][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.888069][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.888069][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.888069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.888069][   T10] 
[ 3165.890008][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.890008][   T10]      dst_init+0x84/0x4a0
[ 3165.890008][   T10]      dst_alloc+0x97/0x150
[ 3165.890008][   T10]      ip6_dst_alloc+0x23/0x90
[ 3165.890008][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3165.890008][   T10]      ip6_pol_route+0x56f/0x840
[ 3165.890008][   T10]      fib6_rule_lookup+0x456/0x630
[ 3165.890008][   T10]      ip6_route_input+0x59c/0xa50
[ 3165.890008][   T10]      ipv6_rcv+0x397/0x810
[ 3165.890008][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3165.890008][   T10]      process_backlog+0x101/0x620
[ 3165.890008][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3165.890008][   T10]      net_rx_action+0x495/0xbe0
[ 3165.890008][   T10]      __do_softirq+0x1b5/0x7f6
[ 3165.890008][   T10] 
[ 3165.891634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.891634][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.891634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.891634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.891634][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3165.891634][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3165.891634][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3165.891634][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3165.891634][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3165.891634][   T10]      addrconf_dad_begin+0x310/0x670
[ 3165.891634][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3165.891634][   T10]      process_one_work+0x84d/0x18a0
[ 3165.891634][   T10]      worker_thread+0x587/0xd30
[ 3165.891634][   T10]      kthread+0x28a/0x350
[ 3165.891634][   T10]      ret_from_fork+0x31/0x70
[ 3165.891634][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3165.891634][   T10] 
[ 3165.893515][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.893515][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.893515][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.893515][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.893515][   T10]      ip6_route_add+0x1c/0x140
[ 3165.893515][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3165.893515][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3165.893515][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.893515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.893515][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.893515][   T10]      netlink_unicast+0x449/0x710
[ 3165.893515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.893515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.893515][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.893515][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.893515][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.893515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.893515][   T10] 
[ 3165.895483][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.895483][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.895483][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.895483][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.895483][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3165.895483][   T10]      ipv6_add_addr+0x411/0x2000
[ 3165.895483][   T10]      inet6_addr_add+0x30e/0xa40
[ 3165.895483][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.895483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.895483][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.895483][   T10]      netlink_unicast+0x449/0x710
[ 3165.895483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.895483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.895483][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.895483][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.895483][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.895483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.895483][   T10] 
[ 3165.897467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.897467][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.897467][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.897467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.897467][   T10]      ip6_route_add+0x1c/0x140
[ 3165.897467][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3165.897467][   T10]      addrconf_add_dev+0xe2/0x170
[ 3165.897467][   T10]      inet6_addr_add+0x12f/0xa40
[ 3165.897467][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.897467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.897467][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.897467][   T10]      netlink_unicast+0x449/0x710
[ 3165.897467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.897467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.897467][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.897467][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.897467][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.897467][   T10] 
[ 3165.899567][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.899567][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3165.899567][   T10]      ipv6_find_idev+0x102/0x170
[ 3165.899567][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3165.899567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.899567][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.899567][   T10]      netlink_unicast+0x449/0x710
[ 3165.899567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.899567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.899567][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.899567][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.899567][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.899567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.899567][   T10] 
[ 3165.901358][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3165.901358][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3165.901358][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3165.901358][   T10]      ipv6_find_idev+0x102/0x170
[ 3165.901358][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3165.901358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.901358][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.901358][   T10]      netlink_unicast+0x449/0x710
[ 3165.901358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.901358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.901358][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.901358][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.901358][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.901358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.901358][   T10] 
[ 3165.903220][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3165.903470][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3165.903470][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.903470][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.903470][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.903470][   T10]      ip6_route_add+0x1c/0x140
[ 3165.903470][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3165.903470][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3165.903470][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.903470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.903470][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.903470][   T10]      netlink_unicast+0x449/0x710
[ 3165.903470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.903470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.903470][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.903470][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.903470][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.903470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.903470][   T10] 
[ 3165.905670][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3165.905670][   T10]      netdev_get_by_index+0x5e/0x80
[ 3165.905670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3165.905670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3165.905670][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3165.905670][   T10]      ipv6_add_addr+0x411/0x2000
[ 3165.905670][   T10]      inet6_addr_add+0x30e/0xa40
[ 3165.905670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3165.905670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.905670][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.905670][   T10]      netlink_unicast+0x449/0x710
[ 3165.905670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.905670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.905670][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.905670][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.905670][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.905670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.905670][   T10] 
[ 3165.907897][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3165.907897][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3165.907897][   T10]      ipv6_find_idev+0x102/0x170
[ 3165.907897][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3165.907897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.907897][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.907897][   T10]      netlink_unicast+0x449/0x710
[ 3165.907897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.907897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.907897][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.907897][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.907897][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.907897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.907897][   T10] 
[ 3165.909686][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3165.909686][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3165.909686][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3165.909686][   T10]      ipv6_find_idev+0x102/0x170
[ 3165.909686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3165.909686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3165.909686][   T10]      netlink_rcv_skb+0x130/0x360
[ 3165.909686][   T10]      netlink_unicast+0x449/0x710
[ 3165.909686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3165.909686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3165.909686][   T10]      ___sys_sendmsg+0xee/0x170
[ 3165.909686][   T10]      __sys_sendmsg+0xcd/0x170
[ 3165.909686][   T10]      do_syscall_64+0xc6/0x1e0
[ 3165.909686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3165.909686][   T10] 
[ 3176.152774][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3176.153449][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.153449][   T10]      dst_init+0x84/0x4a0
[ 3176.153449][   T10]      dst_alloc+0x97/0x150
[ 3176.153449][   T10]      ip6_dst_alloc+0x23/0x90
[ 3176.153449][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3176.153449][   T10]      ip6_pol_route+0x56f/0x840
[ 3176.153449][   T10]      fib6_rule_lookup+0x456/0x630
[ 3176.153449][   T10]      ip6_route_input+0x59c/0xa50
[ 3176.153449][   T10]      ipv6_rcv+0x397/0x810
[ 3176.153449][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3176.153449][   T10]      process_backlog+0x101/0x620
[ 3176.153449][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3176.153449][   T10]      net_rx_action+0x495/0xbe0
[ 3176.153449][   T10]      __do_softirq+0x1b5/0x7f6
[ 3176.153449][   T10] 
[ 3176.155096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.155096][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3176.155096][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3176.155096][   T10]      fib6_nh_init+0xa22/0x1580
[ 3176.155096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.155096][   T10]      ip6_route_add+0x1c/0x140
[ 3176.155096][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3176.155096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.155096][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.155096][   T10]      netlink_unicast+0x449/0x710
[ 3176.155096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.155096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.155096][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.155096][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.155096][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.155096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.155096][   T10] 
[ 3176.157075][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.157075][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.157075][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.157075][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.157075][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3176.157075][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3176.157075][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3176.157075][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3176.157075][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3176.157075][   T10]      addrconf_dad_begin+0x310/0x670
[ 3176.157075][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3176.157075][   T10]      process_one_work+0x84d/0x18a0
[ 3176.157075][   T10]      worker_thread+0x587/0xd30
[ 3176.157075][   T10]      kthread+0x28a/0x350
[ 3176.157075][   T10]      ret_from_fork+0x31/0x70
[ 3176.157075][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3176.157075][   T10] 
[ 3176.159052][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.159052][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.159052][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.159052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.159052][   T10]      ip6_route_add+0x1c/0x140
[ 3176.159052][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3176.159052][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3176.159052][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.159052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.159052][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.159052][   T10]      netlink_unicast+0x449/0x710
[ 3176.159052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.159052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.159052][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.159052][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.159052][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.159052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.159052][   T10] 
[ 3176.161098][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.161098][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.161098][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.161098][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.161098][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3176.161098][   T10]      ipv6_add_addr+0x411/0x2000
[ 3176.161098][   T10]      inet6_addr_add+0x30e/0xa40
[ 3176.161098][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.161098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.161098][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.161098][   T10]      netlink_unicast+0x449/0x710
[ 3176.161098][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.161098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.161098][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.161098][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.161098][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.161098][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.161098][   T10] 
[ 3176.163138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.163138][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.163138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.163138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.163138][   T10]      ip6_route_add+0x1c/0x140
[ 3176.163138][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3176.163138][   T10]      addrconf_add_dev+0xe2/0x170
[ 3176.163138][   T10]      inet6_addr_add+0x12f/0xa40
[ 3176.163138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.163138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.163138][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.163138][   T10]      netlink_unicast+0x449/0x710
[ 3176.163138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.163138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.163138][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.163138][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.163138][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.163138][   T10] 
[ 3176.165149][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.165149][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3176.165149][   T10]      ipv6_find_idev+0x102/0x170
[ 3176.165149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.165149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.165149][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.165149][   T10]      netlink_unicast+0x449/0x710
[ 3176.165149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.165149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.165149][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.165149][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.165149][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.165149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.165149][   T10] 
[ 3176.166737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3176.166737][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3176.166737][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3176.166737][   T10]      ipv6_find_idev+0x102/0x170
[ 3176.166737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.166737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.166737][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.166737][   T10]      netlink_unicast+0x449/0x710
[ 3176.166737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.166737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.166737][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.166737][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.166737][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.166737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.166737][   T10] 
[ 3176.168514][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3176.168783][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.168783][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3176.168783][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3176.168783][   T10]      fib6_nh_init+0xa22/0x1580
[ 3176.168783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.168783][   T10]      ip6_route_add+0x1c/0x140
[ 3176.168783][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3176.168783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.168783][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.168783][   T10]      netlink_unicast+0x449/0x710
[ 3176.168783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.168783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.168783][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.168783][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.168783][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.168783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.168783][   T10] 
[ 3176.170688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.170688][   T10]      dst_init+0x84/0x4a0
[ 3176.170688][   T10]      dst_alloc+0x97/0x150
[ 3176.170688][   T10]      ip6_dst_alloc+0x23/0x90
[ 3176.170688][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3176.170688][   T10]      ip6_pol_route+0x56f/0x840
[ 3176.170688][   T10]      fib6_rule_lookup+0x456/0x630
[ 3176.170688][   T10]      ip6_route_input+0x59c/0xa50
[ 3176.170688][   T10]      ipv6_rcv+0x397/0x810
[ 3176.170688][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3176.170688][   T10]      process_backlog+0x101/0x620
[ 3176.170688][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3176.170688][   T10]      net_rx_action+0x495/0xbe0
[ 3176.170688][   T10]      __do_softirq+0x1b5/0x7f6
[ 3176.170688][   T10] 
[ 3176.172412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.172412][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.172412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.172412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.172412][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3176.172412][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3176.172412][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3176.172412][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3176.172412][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3176.172412][   T10]      addrconf_dad_begin+0x310/0x670
[ 3176.172412][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3176.172412][   T10]      process_one_work+0x84d/0x18a0
[ 3176.172412][   T10]      worker_thread+0x587/0xd30
[ 3176.172412][   T10]      kthread+0x28a/0x350
[ 3176.172412][   T10]      ret_from_fork+0x31/0x70
[ 3176.172412][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3176.172412][   T10] 
[ 3176.174356][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.174356][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.174356][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.174356][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.174356][   T10]      ip6_route_add+0x1c/0x140
[ 3176.174356][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3176.174356][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3176.174356][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.174356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.174356][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.174356][   T10]      netlink_unicast+0x449/0x710
[ 3176.174356][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.174356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.174356][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.174356][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.174356][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.174356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.174356][   T10] 
[ 3176.176388][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.176388][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.176388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.176388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.176388][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3176.176388][   T10]      ipv6_add_addr+0x411/0x2000
[ 3176.176388][   T10]      inet6_addr_add+0x30e/0xa40
[ 3176.176388][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.176388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.176388][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.176388][   T10]      netlink_unicast+0x449/0x710
[ 3176.176388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.176388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.176388][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.176388][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.176388][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.176388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.176388][   T10] 
[ 3176.178437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.178437][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.178437][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.178437][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.178437][   T10]      ip6_route_add+0x1c/0x140
[ 3176.178437][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3176.178437][   T10]      addrconf_add_dev+0xe2/0x170
[ 3176.178437][   T10]      inet6_addr_add+0x12f/0xa40
[ 3176.178437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.178437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.178437][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.178437][   T10]      netlink_unicast+0x449/0x710
[ 3176.178437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.178437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.178437][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.178437][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.178437][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.178437][   T10] 
[ 3176.180614][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.180614][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3176.180614][   T10]      ipv6_find_idev+0x102/0x170
[ 3176.180614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.180614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.180614][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.180614][   T10]      netlink_unicast+0x449/0x710
[ 3176.180614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.180614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.180614][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.180614][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.180614][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.180614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.180614][   T10] 
[ 3176.182352][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3176.182352][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3176.182352][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3176.182352][   T10]      ipv6_find_idev+0x102/0x170
[ 3176.182352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.182352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.182352][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.182352][   T10]      netlink_unicast+0x449/0x710
[ 3176.182352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.182352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.182352][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.182352][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.182352][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.182352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.182352][   T10] 
[ 3176.184337][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3176.184584][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3176.184584][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.184584][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.184584][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.184584][   T10]      ip6_route_add+0x1c/0x140
[ 3176.184584][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3176.184584][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3176.184584][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.184584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.184584][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.184584][   T10]      netlink_unicast+0x449/0x710
[ 3176.184584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.184584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.184584][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.184584][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.184584][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.184584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.184584][   T10] 
[ 3176.186865][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3176.186865][   T10]      netdev_get_by_index+0x5e/0x80
[ 3176.186865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3176.186865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3176.186865][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3176.186865][   T10]      ipv6_add_addr+0x411/0x2000
[ 3176.186865][   T10]      inet6_addr_add+0x30e/0xa40
[ 3176.186865][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3176.186865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.186865][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.186865][   T10]      netlink_unicast+0x449/0x710
[ 3176.186865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.186865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.186865][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.186865][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.186865][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.186865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.186865][   T10] 
[ 3176.189141][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3176.189141][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3176.189141][   T10]      ipv6_find_idev+0x102/0x170
[ 3176.189141][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.189141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.189141][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.189141][   T10]      netlink_unicast+0x449/0x710
[ 3176.189141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.189141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.189141][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.189141][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.189141][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.189141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.189141][   T10] 
[ 3176.190907][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3176.190907][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3176.190907][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3176.190907][   T10]      ipv6_find_idev+0x102/0x170
[ 3176.190907][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3176.190907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3176.190907][   T10]      netlink_rcv_skb+0x130/0x360
[ 3176.190907][   T10]      netlink_unicast+0x449/0x710
[ 3176.190907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3176.190907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3176.190907][   T10]      ___sys_sendmsg+0xee/0x170
[ 3176.190907][   T10]      __sys_sendmsg+0xcd/0x170
[ 3176.190907][   T10]      do_syscall_64+0xc6/0x1e0
[ 3176.190907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3176.190907][   T10] 
[ 3186.432767][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3186.433181][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.433181][   T10]      dst_init+0x84/0x4a0
[ 3186.433181][   T10]      dst_alloc+0x97/0x150
[ 3186.433181][   T10]      ip6_dst_alloc+0x23/0x90
[ 3186.433181][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3186.433181][   T10]      ip6_pol_route+0x56f/0x840
[ 3186.433181][   T10]      fib6_rule_lookup+0x456/0x630
[ 3186.433181][   T10]      ip6_route_input+0x59c/0xa50
[ 3186.433181][   T10]      ipv6_rcv+0x397/0x810
[ 3186.433181][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3186.433181][   T10]      process_backlog+0x101/0x620
[ 3186.433181][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3186.433181][   T10]      net_rx_action+0x495/0xbe0
[ 3186.433181][   T10]      __do_softirq+0x1b5/0x7f6
[ 3186.433181][   T10] 
[ 3186.434977][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.434977][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3186.434977][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3186.434977][   T10]      fib6_nh_init+0xa22/0x1580
[ 3186.434977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.434977][   T10]      ip6_route_add+0x1c/0x140
[ 3186.434977][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3186.434977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.434977][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.434977][   T10]      netlink_unicast+0x449/0x710
[ 3186.434977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.434977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.434977][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.434977][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.434977][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.434977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.434977][   T10] 
[ 3186.437030][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.437030][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.437030][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.437030][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.437030][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3186.437030][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3186.437030][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3186.437030][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3186.437030][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3186.437030][   T10]      addrconf_dad_begin+0x310/0x670
[ 3186.437030][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3186.437030][   T10]      process_one_work+0x84d/0x18a0
[ 3186.437030][   T10]      worker_thread+0x587/0xd30
[ 3186.437030][   T10]      kthread+0x28a/0x350
[ 3186.437030][   T10]      ret_from_fork+0x31/0x70
[ 3186.437030][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3186.437030][   T10] 
[ 3186.439105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.439105][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.439105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.439105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.439105][   T10]      ip6_route_add+0x1c/0x140
[ 3186.439105][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3186.439105][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3186.439105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.439105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.439105][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.439105][   T10]      netlink_unicast+0x449/0x710
[ 3186.439105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.439105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.439105][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.439105][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.439105][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.439105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.439105][   T10] 
[ 3186.441325][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.441325][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.441325][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.441325][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.441325][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3186.441325][   T10]      ipv6_add_addr+0x411/0x2000
[ 3186.441325][   T10]      inet6_addr_add+0x30e/0xa40
[ 3186.441325][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.441325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.441325][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.441325][   T10]      netlink_unicast+0x449/0x710
[ 3186.441325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.441325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.441325][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.441325][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.441325][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.441325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.441325][   T10] 
[ 3186.443635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.443635][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.443635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.443635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.443635][   T10]      ip6_route_add+0x1c/0x140
[ 3186.443635][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3186.443635][   T10]      addrconf_add_dev+0xe2/0x170
[ 3186.443635][   T10]      inet6_addr_add+0x12f/0xa40
[ 3186.443635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.443635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.443635][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.443635][   T10]      netlink_unicast+0x449/0x710
[ 3186.443635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.443635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.443635][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.443635][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.443635][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.443635][   T10] 
[ 3186.445757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.445757][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3186.445757][   T10]      ipv6_find_idev+0x102/0x170
[ 3186.445757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.445757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.445757][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.445757][   T10]      netlink_unicast+0x449/0x710
[ 3186.445757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.445757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.445757][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.445757][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.445757][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.445757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.445757][   T10] 
[ 3186.447421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3186.447421][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3186.447421][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3186.447421][   T10]      ipv6_find_idev+0x102/0x170
[ 3186.447421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.447421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.447421][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.447421][   T10]      netlink_unicast+0x449/0x710
[ 3186.447421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.447421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.447421][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.447421][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.447421][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.447421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.447421][   T10] 
[ 3186.449311][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3186.449569][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.449569][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3186.449569][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3186.449569][   T10]      fib6_nh_init+0xa22/0x1580
[ 3186.449569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.449569][   T10]      ip6_route_add+0x1c/0x140
[ 3186.449569][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3186.449569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.449569][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.449569][   T10]      netlink_unicast+0x449/0x710
[ 3186.449569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.449569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.449569][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.449569][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.449569][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.449569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.449569][   T10] 
[ 3186.451606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.451606][   T10]      dst_init+0x84/0x4a0
[ 3186.451606][   T10]      dst_alloc+0x97/0x150
[ 3186.451606][   T10]      ip6_dst_alloc+0x23/0x90
[ 3186.451606][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3186.451606][   T10]      ip6_pol_route+0x56f/0x840
[ 3186.451606][   T10]      fib6_rule_lookup+0x456/0x630
[ 3186.451606][   T10]      ip6_route_input+0x59c/0xa50
[ 3186.451606][   T10]      ipv6_rcv+0x397/0x810
[ 3186.451606][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3186.451606][   T10]      process_backlog+0x101/0x620
[ 3186.451606][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3186.451606][   T10]      net_rx_action+0x495/0xbe0
[ 3186.451606][   T10]      __do_softirq+0x1b5/0x7f6
[ 3186.451606][   T10] 
[ 3186.453341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.453341][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.453341][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.453341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.453341][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3186.453341][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3186.453341][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3186.453341][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3186.453341][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3186.453341][   T10]      addrconf_dad_begin+0x310/0x670
[ 3186.453341][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3186.453341][   T10]      process_one_work+0x84d/0x18a0
[ 3186.453341][   T10]      worker_thread+0x587/0xd30
[ 3186.453341][   T10]      kthread+0x28a/0x350
[ 3186.453341][   T10]      ret_from_fork+0x31/0x70
[ 3186.453341][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3186.453341][   T10] 
[ 3186.455390][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.455390][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.455390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.455390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.455390][   T10]      ip6_route_add+0x1c/0x140
[ 3186.455390][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3186.455390][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3186.455390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.455390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.455390][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.455390][   T10]      netlink_unicast+0x449/0x710
[ 3186.455390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.455390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.455390][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.455390][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.455390][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.455390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.455390][   T10] 
[ 3186.457589][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.457589][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.457589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.457589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.457589][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3186.457589][   T10]      ipv6_add_addr+0x411/0x2000
[ 3186.457589][   T10]      inet6_addr_add+0x30e/0xa40
[ 3186.457589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.457589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.457589][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.457589][   T10]      netlink_unicast+0x449/0x710
[ 3186.457589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.457589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.457589][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.457589][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.457589][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.457589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.457589][   T10] 
[ 3186.459765][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.459765][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.459765][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.459765][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.459765][   T10]      ip6_route_add+0x1c/0x140
[ 3186.459765][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3186.459765][   T10]      addrconf_add_dev+0xe2/0x170
[ 3186.459765][   T10]      inet6_addr_add+0x12f/0xa40
[ 3186.459765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.459765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.459765][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.459765][   T10]      netlink_unicast+0x449/0x710
[ 3186.459765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.459765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.459765][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.459765][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.459765][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.459765][   T10] 
[ 3186.462004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.462004][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3186.462004][   T10]      ipv6_find_idev+0x102/0x170
[ 3186.462004][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.462004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.462004][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.462004][   T10]      netlink_unicast+0x449/0x710
[ 3186.462004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.462004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.462004][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.462004][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.462004][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.462004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.462004][   T10] 
[ 3186.463915][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3186.463915][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3186.463915][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3186.463915][   T10]      ipv6_find_idev+0x102/0x170
[ 3186.463915][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.463915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.463915][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.463915][   T10]      netlink_unicast+0x449/0x710
[ 3186.463915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.463915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.463915][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.463915][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.463915][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.463915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.463915][   T10] 
[ 3186.465919][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3186.466166][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3186.466166][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.466166][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.466166][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.466166][   T10]      ip6_route_add+0x1c/0x140
[ 3186.466166][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3186.466166][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3186.466166][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.466166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.466166][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.466166][   T10]      netlink_unicast+0x449/0x710
[ 3186.466166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.466166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.466166][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.466166][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.466166][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.466166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.466166][   T10] 
[ 3186.468530][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3186.468530][   T10]      netdev_get_by_index+0x5e/0x80
[ 3186.468530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3186.468530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3186.468530][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3186.468530][   T10]      ipv6_add_addr+0x411/0x2000
[ 3186.468530][   T10]      inet6_addr_add+0x30e/0xa40
[ 3186.468530][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3186.468530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.468530][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.468530][   T10]      netlink_unicast+0x449/0x710
[ 3186.468530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.468530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.468530][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.468530][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.468530][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.468530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.468530][   T10] 
[ 3186.470978][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3186.470978][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3186.470978][   T10]      ipv6_find_idev+0x102/0x170
[ 3186.470978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.470978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.470978][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.470978][   T10]      netlink_unicast+0x449/0x710
[ 3186.470978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.470978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.470978][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.470978][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.470978][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.470978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.470978][   T10] 
[ 3186.472839][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3186.472839][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3186.472839][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3186.472839][   T10]      ipv6_find_idev+0x102/0x170
[ 3186.472839][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3186.472839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3186.472839][   T10]      netlink_rcv_skb+0x130/0x360
[ 3186.472839][   T10]      netlink_unicast+0x449/0x710
[ 3186.472839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3186.472839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3186.472839][   T10]      ___sys_sendmsg+0xee/0x170
[ 3186.472839][   T10]      __sys_sendmsg+0xcd/0x170
[ 3186.472839][   T10]      do_syscall_64+0xc6/0x1e0
[ 3186.472839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3186.472839][   T10] 
[ 3196.608778][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3196.609236][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.609236][   T10]      dst_init+0x84/0x4a0
[ 3196.609236][   T10]      dst_alloc+0x97/0x150
[ 3196.609236][   T10]      ip6_dst_alloc+0x23/0x90
[ 3196.609236][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3196.609236][   T10]      ip6_pol_route+0x56f/0x840
[ 3196.609236][   T10]      fib6_rule_lookup+0x456/0x630
[ 3196.609236][   T10]      ip6_route_input+0x59c/0xa50
[ 3196.609236][   T10]      ipv6_rcv+0x397/0x810
[ 3196.609236][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3196.609236][   T10]      process_backlog+0x101/0x620
[ 3196.609236][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3196.609236][   T10]      net_rx_action+0x495/0xbe0
[ 3196.609236][   T10]      __do_softirq+0x1b5/0x7f6
[ 3196.609236][   T10] 
[ 3196.610910][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.610910][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3196.610910][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3196.610910][   T10]      fib6_nh_init+0xa22/0x1580
[ 3196.610910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.610910][   T10]      ip6_route_add+0x1c/0x140
[ 3196.610910][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3196.610910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.610910][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.610910][   T10]      netlink_unicast+0x449/0x710
[ 3196.610910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.610910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.610910][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.610910][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.610910][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.610910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.610910][   T10] 
[ 3196.612806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.612806][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.612806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.612806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.612806][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3196.612806][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3196.612806][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3196.612806][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3196.612806][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3196.612806][   T10]      addrconf_dad_begin+0x310/0x670
[ 3196.612806][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3196.612806][   T10]      process_one_work+0x84d/0x18a0
[ 3196.612806][   T10]      worker_thread+0x587/0xd30
[ 3196.612806][   T10]      kthread+0x28a/0x350
[ 3196.612806][   T10]      ret_from_fork+0x31/0x70
[ 3196.612806][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3196.612806][   T10] 
[ 3196.615248][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.615248][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.615248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.615248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.615248][   T10]      ip6_route_add+0x1c/0x140
[ 3196.615248][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3196.615248][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3196.615248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.615248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.615248][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.615248][   T10]      netlink_unicast+0x449/0x710
[ 3196.615248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.615248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.615248][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.615248][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.615248][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.615248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.615248][   T10] 
[ 3196.617178][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.617178][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.617178][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.617178][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.617178][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3196.617178][   T10]      ipv6_add_addr+0x411/0x2000
[ 3196.617178][   T10]      inet6_addr_add+0x30e/0xa40
[ 3196.617178][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.617178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.617178][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.617178][   T10]      netlink_unicast+0x449/0x710
[ 3196.617178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.617178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.617178][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.617178][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.617178][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.617178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.617178][   T10] 
[ 3196.619460][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.619460][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.619460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.619460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.619460][   T10]      ip6_route_add+0x1c/0x140
[ 3196.619460][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3196.619460][   T10]      addrconf_add_dev+0xe2/0x170
[ 3196.619460][   T10]      inet6_addr_add+0x12f/0xa40
[ 3196.619460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.619460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.619460][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.619460][   T10]      netlink_unicast+0x449/0x710
[ 3196.619460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.619460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.619460][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.619460][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.619460][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.619460][   T10] 
[ 3196.621519][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.621519][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3196.621519][   T10]      ipv6_find_idev+0x102/0x170
[ 3196.621519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3196.621519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.621519][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.621519][   T10]      netlink_unicast+0x449/0x710
[ 3196.621519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.621519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.621519][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.621519][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.621519][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.621519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.621519][   T10] 
[ 3196.623061][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3196.623061][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3196.623061][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3196.623061][   T10]      ipv6_find_idev+0x102/0x170
[ 3196.623061][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3196.623061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.623061][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.623061][   T10]      netlink_unicast+0x449/0x710
[ 3196.623061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.623061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.623061][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.623061][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.623061][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.623061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.623061][   T10] 
[ 3196.624799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3196.625043][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.625043][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3196.625043][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3196.625043][   T10]      fib6_nh_init+0xa22/0x1580
[ 3196.625043][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.625043][   T10]      ip6_route_add+0x1c/0x140
[ 3196.625043][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3196.625043][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.625043][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.625043][   T10]      netlink_unicast+0x449/0x710
[ 3196.625043][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.625043][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.625043][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.625043][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.625043][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.625043][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.625043][   T10] 
[ 3196.626978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.626978][   T10]      dst_init+0x84/0x4a0
[ 3196.626978][   T10]      dst_alloc+0x97/0x150
[ 3196.626978][   T10]      ip6_dst_alloc+0x23/0x90
[ 3196.626978][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3196.626978][   T10]      ip6_pol_route+0x56f/0x840
[ 3196.626978][   T10]      fib6_rule_lookup+0x456/0x630
[ 3196.626978][   T10]      ip6_route_input+0x59c/0xa50
[ 3196.626978][   T10]      ipv6_rcv+0x397/0x810
[ 3196.626978][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3196.626978][   T10]      process_backlog+0x101/0x620
[ 3196.626978][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3196.626978][   T10]      net_rx_action+0x495/0xbe0
[ 3196.626978][   T10]      __do_softirq+0x1b5/0x7f6
[ 3196.626978][   T10] 
[ 3196.628638][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.628638][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.628638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.628638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.628638][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3196.628638][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3196.628638][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3196.628638][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3196.628638][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3196.628638][   T10]      addrconf_dad_begin+0x310/0x670
[ 3196.628638][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3196.628638][   T10]      process_one_work+0x84d/0x18a0
[ 3196.628638][   T10]      worker_thread+0x587/0xd30
[ 3196.628638][   T10]      kthread+0x28a/0x350
[ 3196.628638][   T10]      ret_from_fork+0x31/0x70
[ 3196.628638][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3196.628638][   T10] 
[ 3196.630591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.630591][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.630591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.630591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.630591][   T10]      ip6_route_add+0x1c/0x140
[ 3196.630591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3196.630591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3196.630591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.630591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.630591][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.630591][   T10]      netlink_unicast+0x449/0x710
[ 3196.630591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.630591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.630591][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.630591][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.630591][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.630591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.630591][   T10] 
[ 3196.632634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.632634][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.632634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.632634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.632634][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3196.632634][   T10]      ipv6_add_addr+0x411/0x2000
[ 3196.632634][   T10]      inet6_addr_add+0x30e/0xa40
[ 3196.632634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.632634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.632634][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.632634][   T10]      netlink_unicast+0x449/0x710
[ 3196.632634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.632634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.632634][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.632634][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.632634][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.632634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.632634][   T10] 
[ 3196.634661][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.634661][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.634661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.634661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.634661][   T10]      ip6_route_add+0x1c/0x140
[ 3196.634661][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3196.634661][   T10]      addrconf_add_dev+0xe2/0x170
[ 3196.634661][   T10]      inet6_addr_add+0x12f/0xa40
[ 3196.634661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.634661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.634661][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.634661][   T10]      netlink_unicast+0x449/0x710
[ 3196.634661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.634661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.634661][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.634661][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.634661][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.634661][   T10] 
[ 3196.636863][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.636863][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3196.636863][   T10]      ipv6_find_idev+0x102/0x170
[ 3196.636863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3196.636863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.636863][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.636863][   T10]      netlink_unicast+0x449/0x710
[ 3196.636863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.636863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.636863][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.636863][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.636863][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.636863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.636863][   T10] 
[ 3196.638604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3196.638604][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3196.638604][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3196.638604][   T10]      ipv6_find_idev+0x102/0x170
[ 3196.638604][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3196.638604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.638604][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.638604][   T10]      netlink_unicast+0x449/0x710
[ 3196.638604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.638604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.638604][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.638604][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.638604][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.638604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.638604][   T10] 
[ 3196.640611][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3196.640860][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3196.640860][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.640860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.640860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.640860][   T10]      ip6_route_add+0x1c/0x140
[ 3196.640860][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3196.640860][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3196.640860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.640860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.640860][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.640860][   T10]      netlink_unicast+0x449/0x710
[ 3196.640860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.640860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.640860][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.640860][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.640860][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.640860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.640860][   T10] 
[ 3196.643249][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3196.643249][   T10]      netdev_get_by_index+0x5e/0x80
[ 3196.643249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3196.643249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3196.643249][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3196.643249][   T10]      ipv6_add_addr+0x411/0x2000
[ 3196.643249][   T10]      inet6_addr_add+0x30e/0xa40
[ 3196.643249][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3196.643249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.643249][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.643249][   T10]      netlink_unicast+0x449/0x710
[ 3196.643249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.643249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.643249][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.643249][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.643249][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.643249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.643249][   T10] 
[ 3196.645519][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3196.645519][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3196.645519][   T10]      ipv6_find_idev+0x102/0x170
[ 3196.645519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3196.645519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.645519][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.645519][   T10]      netlink_unicast+0x449/0x710
[ 3196.645519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.645519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.645519][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.645519][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.645519][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.645519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.645519][   T10] 
[ 3196.647257][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3196.647257][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3196.647257][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3196.647257][   T10]      ipv6_find_idev+0x102/0x170
[ 3196.647257][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3196.647257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3196.647257][   T10]      netlink_rcv_skb+0x130/0x360
[ 3196.647257][   T10]      netlink_unicast+0x449/0x710
[ 3196.647257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3196.647257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3196.647257][   T10]      ___sys_sendmsg+0xee/0x170
[ 3196.647257][   T10]      __sys_sendmsg+0xcd/0x170
[ 3196.647257][   T10]      do_syscall_64+0xc6/0x1e0
[ 3196.647257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3196.647257][   T10] 
[ 3206.896771][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3206.897328][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.897328][   T10]      dst_init+0x84/0x4a0
[ 3206.897328][   T10]      dst_alloc+0x97/0x150
[ 3206.897328][   T10]      ip6_dst_alloc+0x23/0x90
[ 3206.897328][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3206.897328][   T10]      ip6_pol_route+0x56f/0x840
[ 3206.897328][   T10]      fib6_rule_lookup+0x456/0x630
[ 3206.897328][   T10]      ip6_route_input+0x59c/0xa50
[ 3206.897328][   T10]      ipv6_rcv+0x397/0x810
[ 3206.897328][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3206.897328][   T10]      process_backlog+0x101/0x620
[ 3206.897328][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3206.897328][   T10]      net_rx_action+0x495/0xbe0
[ 3206.897328][   T10]      __do_softirq+0x1b5/0x7f6
[ 3206.897328][   T10] 
[ 3206.898902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.898902][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3206.898902][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3206.898902][   T10]      fib6_nh_init+0xa22/0x1580
[ 3206.898902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.898902][   T10]      ip6_route_add+0x1c/0x140
[ 3206.898902][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3206.898902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.898902][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.898902][   T10]      netlink_unicast+0x449/0x710
[ 3206.898902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.898902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.898902][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.898902][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.898902][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.898902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.898902][   T10] 
[ 3206.900704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.900704][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.900704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.900704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.900704][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3206.900704][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3206.900704][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3206.900704][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3206.900704][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3206.900704][   T10]      addrconf_dad_begin+0x310/0x670
[ 3206.900704][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3206.900704][   T10]      process_one_work+0x84d/0x18a0
[ 3206.900704][   T10]      worker_thread+0x587/0xd30
[ 3206.900704][   T10]      kthread+0x28a/0x350
[ 3206.900704][   T10]      ret_from_fork+0x31/0x70
[ 3206.900704][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3206.900704][   T10] 
[ 3206.902628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.902628][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.902628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.902628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.902628][   T10]      ip6_route_add+0x1c/0x140
[ 3206.902628][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3206.902628][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3206.902628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.902628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.902628][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.902628][   T10]      netlink_unicast+0x449/0x710
[ 3206.902628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.902628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.902628][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.902628][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.902628][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.902628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.902628][   T10] 
[ 3206.904651][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.904651][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.904651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.904651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.904651][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3206.904651][   T10]      ipv6_add_addr+0x411/0x2000
[ 3206.904651][   T10]      inet6_addr_add+0x30e/0xa40
[ 3206.904651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.904651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.904651][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.904651][   T10]      netlink_unicast+0x449/0x710
[ 3206.904651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.904651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.904651][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.904651][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.904651][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.904651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.904651][   T10] 
[ 3206.906693][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.906693][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.906693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.906693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.906693][   T10]      ip6_route_add+0x1c/0x140
[ 3206.906693][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3206.906693][   T10]      addrconf_add_dev+0xe2/0x170
[ 3206.906693][   T10]      inet6_addr_add+0x12f/0xa40
[ 3206.906693][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.906693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.906693][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.906693][   T10]      netlink_unicast+0x449/0x710
[ 3206.906693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.906693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.906693][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.906693][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.906693][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.906693][   T10] 
[ 3206.908699][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.908699][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3206.908699][   T10]      ipv6_find_idev+0x102/0x170
[ 3206.908699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3206.908699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.908699][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.908699][   T10]      netlink_unicast+0x449/0x710
[ 3206.908699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.908699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.908699][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.908699][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.908699][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.908699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.908699][   T10] 
[ 3206.910261][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3206.910261][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3206.910261][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3206.910261][   T10]      ipv6_find_idev+0x102/0x170
[ 3206.910261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3206.910261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.910261][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.910261][   T10]      netlink_unicast+0x449/0x710
[ 3206.910261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.910261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.910261][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.910261][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.910261][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.910261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.910261][   T10] 
[ 3206.912037][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3206.912282][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.912282][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3206.912282][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3206.912282][   T10]      fib6_nh_init+0xa22/0x1580
[ 3206.912282][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.912282][   T10]      ip6_route_add+0x1c/0x140
[ 3206.912282][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3206.912282][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.912282][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.912282][   T10]      netlink_unicast+0x449/0x710
[ 3206.912282][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.912282][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.912282][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.912282][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.912282][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.912282][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.912282][   T10] 
[ 3206.914195][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.914195][   T10]      dst_init+0x84/0x4a0
[ 3206.914195][   T10]      dst_alloc+0x97/0x150
[ 3206.914195][   T10]      ip6_dst_alloc+0x23/0x90
[ 3206.914195][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3206.914195][   T10]      ip6_pol_route+0x56f/0x840
[ 3206.914195][   T10]      fib6_rule_lookup+0x456/0x630
[ 3206.914195][   T10]      ip6_route_input+0x59c/0xa50
[ 3206.914195][   T10]      ipv6_rcv+0x397/0x810
[ 3206.914195][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3206.914195][   T10]      process_backlog+0x101/0x620
[ 3206.914195][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3206.914195][   T10]      net_rx_action+0x495/0xbe0
[ 3206.914195][   T10]      __do_softirq+0x1b5/0x7f6
[ 3206.914195][   T10] 
[ 3206.915850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.915850][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.915850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.915850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.915850][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3206.915850][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3206.915850][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3206.915850][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3206.915850][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3206.915850][   T10]      addrconf_dad_begin+0x310/0x670
[ 3206.915850][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3206.915850][   T10]      process_one_work+0x84d/0x18a0
[ 3206.915850][   T10]      worker_thread+0x587/0xd30
[ 3206.915850][   T10]      kthread+0x28a/0x350
[ 3206.915850][   T10]      ret_from_fork+0x31/0x70
[ 3206.915850][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3206.915850][   T10] 
[ 3206.917812][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.917812][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.917812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.917812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.917812][   T10]      ip6_route_add+0x1c/0x140
[ 3206.917812][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3206.917812][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3206.917812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.917812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.917812][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.917812][   T10]      netlink_unicast+0x449/0x710
[ 3206.917812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.917812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.917812][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.917812][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.917812][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.917812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.917812][   T10] 
[ 3206.919869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.919869][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.919869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.919869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.919869][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3206.919869][   T10]      ipv6_add_addr+0x411/0x2000
[ 3206.919869][   T10]      inet6_addr_add+0x30e/0xa40
[ 3206.919869][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.919869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.919869][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.919869][   T10]      netlink_unicast+0x449/0x710
[ 3206.919869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.919869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.919869][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.919869][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.919869][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.919869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.919869][   T10] 
[ 3206.922000][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.922000][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.922000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.922000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.922000][   T10]      ip6_route_add+0x1c/0x140
[ 3206.922000][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3206.922000][   T10]      addrconf_add_dev+0xe2/0x170
[ 3206.922000][   T10]      inet6_addr_add+0x12f/0xa40
[ 3206.922000][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.922000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.922000][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.922000][   T10]      netlink_unicast+0x449/0x710
[ 3206.922000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.922000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.922000][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.922000][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.922000][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.922000][   T10] 
[ 3206.924209][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.924209][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3206.924209][   T10]      ipv6_find_idev+0x102/0x170
[ 3206.924209][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3206.924209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.924209][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.924209][   T10]      netlink_unicast+0x449/0x710
[ 3206.924209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.924209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.924209][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.924209][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.924209][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.924209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.924209][   T10] 
[ 3206.926023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3206.926023][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3206.926023][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3206.926023][   T10]      ipv6_find_idev+0x102/0x170
[ 3206.926023][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3206.926023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.926023][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.926023][   T10]      netlink_unicast+0x449/0x710
[ 3206.926023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.926023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.926023][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.926023][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.926023][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.926023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.926023][   T10] 
[ 3206.927911][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3206.928154][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3206.928154][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.928154][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.928154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.928154][   T10]      ip6_route_add+0x1c/0x140
[ 3206.928154][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3206.928154][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3206.928154][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.928154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.928154][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.928154][   T10]      netlink_unicast+0x449/0x710
[ 3206.928154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.928154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.928154][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.928154][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.928154][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.928154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.928154][   T10] 
[ 3206.930434][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3206.930434][   T10]      netdev_get_by_index+0x5e/0x80
[ 3206.930434][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3206.930434][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3206.930434][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3206.930434][   T10]      ipv6_add_addr+0x411/0x2000
[ 3206.930434][   T10]      inet6_addr_add+0x30e/0xa40
[ 3206.930434][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3206.930434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.930434][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.930434][   T10]      netlink_unicast+0x449/0x710
[ 3206.930434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.930434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.930434][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.930434][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.930434][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.930434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.930434][   T10] 
[ 3206.932732][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3206.932732][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3206.932732][   T10]      ipv6_find_idev+0x102/0x170
[ 3206.932732][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3206.932732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.932732][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.932732][   T10]      netlink_unicast+0x449/0x710
[ 3206.932732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.932732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.932732][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.932732][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.932732][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.932732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.932732][   T10] 
[ 3206.934526][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3206.934526][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3206.934526][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3206.934526][   T10]      ipv6_find_idev+0x102/0x170
[ 3206.934526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3206.934526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3206.934526][   T10]      netlink_rcv_skb+0x130/0x360
[ 3206.934526][   T10]      netlink_unicast+0x449/0x710
[ 3206.934526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3206.934526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3206.934526][   T10]      ___sys_sendmsg+0xee/0x170
[ 3206.934526][   T10]      __sys_sendmsg+0xcd/0x170
[ 3206.934526][   T10]      do_syscall_64+0xc6/0x1e0
[ 3206.934526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3206.934526][   T10] 
[ 3217.184769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3217.185402][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.185402][   T10]      dst_init+0x84/0x4a0
[ 3217.185402][   T10]      dst_alloc+0x97/0x150
[ 3217.185402][   T10]      ip6_dst_alloc+0x23/0x90
[ 3217.185402][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3217.185402][   T10]      ip6_pol_route+0x56f/0x840
[ 3217.185402][   T10]      fib6_rule_lookup+0x456/0x630
[ 3217.185402][   T10]      ip6_route_input+0x59c/0xa50
[ 3217.185402][   T10]      ipv6_rcv+0x397/0x810
[ 3217.185402][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3217.185402][   T10]      process_backlog+0x101/0x620
[ 3217.185402][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3217.185402][   T10]      net_rx_action+0x495/0xbe0
[ 3217.185402][   T10]      __do_softirq+0x1b5/0x7f6
[ 3217.185402][   T10] 
[ 3217.186982][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.186982][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3217.186982][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3217.186982][   T10]      fib6_nh_init+0xa22/0x1580
[ 3217.186982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.186982][   T10]      ip6_route_add+0x1c/0x140
[ 3217.186982][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3217.186982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.186982][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.186982][   T10]      netlink_unicast+0x449/0x710
[ 3217.186982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.186982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.186982][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.186982][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.186982][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.186982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.186982][   T10] 
[ 3217.188918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.188918][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.188918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.188918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.188918][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3217.188918][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3217.188918][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3217.188918][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3217.188918][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3217.188918][   T10]      addrconf_dad_begin+0x310/0x670
[ 3217.188918][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3217.188918][   T10]      process_one_work+0x84d/0x18a0
[ 3217.188918][   T10]      worker_thread+0x587/0xd30
[ 3217.188918][   T10]      kthread+0x28a/0x350
[ 3217.188918][   T10]      ret_from_fork+0x31/0x70
[ 3217.188918][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3217.188918][   T10] 
[ 3217.190756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.190756][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.190756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.190756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.190756][   T10]      ip6_route_add+0x1c/0x140
[ 3217.190756][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3217.190756][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3217.190756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.190756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.190756][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.190756][   T10]      netlink_unicast+0x449/0x710
[ 3217.190756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.190756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.190756][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.190756][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.190756][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.190756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.190756][   T10] 
[ 3217.192730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.192730][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.192730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.192730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.192730][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3217.192730][   T10]      ipv6_add_addr+0x411/0x2000
[ 3217.192730][   T10]      inet6_addr_add+0x30e/0xa40
[ 3217.192730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.192730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.192730][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.192730][   T10]      netlink_unicast+0x449/0x710
[ 3217.192730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.192730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.192730][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.192730][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.192730][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.192730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.192730][   T10] 
[ 3217.194679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.194679][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.194679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.194679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.194679][   T10]      ip6_route_add+0x1c/0x140
[ 3217.194679][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3217.194679][   T10]      addrconf_add_dev+0xe2/0x170
[ 3217.194679][   T10]      inet6_addr_add+0x12f/0xa40
[ 3217.194679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.194679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.194679][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.194679][   T10]      netlink_unicast+0x449/0x710
[ 3217.194679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.194679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.194679][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.194679][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.194679][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.194679][   T10] 
[ 3217.196601][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.196601][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3217.196601][   T10]      ipv6_find_idev+0x102/0x170
[ 3217.196601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.196601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.196601][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.196601][   T10]      netlink_unicast+0x449/0x710
[ 3217.196601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.196601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.196601][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.196601][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.196601][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.196601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.196601][   T10] 
[ 3217.198101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3217.198101][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3217.198101][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3217.198101][   T10]      ipv6_find_idev+0x102/0x170
[ 3217.198101][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.198101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.198101][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.198101][   T10]      netlink_unicast+0x449/0x710
[ 3217.198101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.198101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.198101][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.198101][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.198101][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.198101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.198101][   T10] 
[ 3217.200986][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3217.201232][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.201232][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3217.201232][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3217.201232][   T10]      fib6_nh_init+0xa22/0x1580
[ 3217.201232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.201232][   T10]      ip6_route_add+0x1c/0x140
[ 3217.201232][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3217.201232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.201232][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.201232][   T10]      netlink_unicast+0x449/0x710
[ 3217.201232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.201232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.201232][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.201232][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.201232][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.201232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.201232][   T10] 
[ 3217.203019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.203019][   T10]      dst_init+0x84/0x4a0
[ 3217.203019][   T10]      dst_alloc+0x97/0x150
[ 3217.203019][   T10]      ip6_dst_alloc+0x23/0x90
[ 3217.203019][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3217.203019][   T10]      ip6_pol_route+0x56f/0x840
[ 3217.203019][   T10]      fib6_rule_lookup+0x456/0x630
[ 3217.203019][   T10]      ip6_route_input+0x59c/0xa50
[ 3217.203019][   T10]      ipv6_rcv+0x397/0x810
[ 3217.203019][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3217.203019][   T10]      process_backlog+0x101/0x620
[ 3217.203019][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3217.203019][   T10]      net_rx_action+0x495/0xbe0
[ 3217.203019][   T10]      __do_softirq+0x1b5/0x7f6
[ 3217.203019][   T10] 
[ 3217.204671][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.204671][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.204671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.204671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.204671][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3217.204671][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3217.204671][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3217.204671][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3217.204671][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3217.204671][   T10]      addrconf_dad_begin+0x310/0x670
[ 3217.204671][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3217.204671][   T10]      process_one_work+0x84d/0x18a0
[ 3217.204671][   T10]      worker_thread+0x587/0xd30
[ 3217.204671][   T10]      kthread+0x28a/0x350
[ 3217.204671][   T10]      ret_from_fork+0x31/0x70
[ 3217.204671][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3217.204671][   T10] 
[ 3217.206558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.206558][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.206558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.206558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.206558][   T10]      ip6_route_add+0x1c/0x140
[ 3217.206558][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3217.206558][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3217.206558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.206558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.206558][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.206558][   T10]      netlink_unicast+0x449/0x710
[ 3217.206558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.206558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.206558][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.206558][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.206558][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.206558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.206558][   T10] 
[ 3217.208589][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.208589][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.208589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.208589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.208589][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3217.208589][   T10]      ipv6_add_addr+0x411/0x2000
[ 3217.208589][   T10]      inet6_addr_add+0x30e/0xa40
[ 3217.208589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.208589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.208589][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.208589][   T10]      netlink_unicast+0x449/0x710
[ 3217.208589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.208589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.208589][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.208589][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.208589][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.208589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.208589][   T10] 
[ 3217.210637][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.210637][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.210637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.210637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.210637][   T10]      ip6_route_add+0x1c/0x140
[ 3217.210637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3217.210637][   T10]      addrconf_add_dev+0xe2/0x170
[ 3217.210637][   T10]      inet6_addr_add+0x12f/0xa40
[ 3217.210637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.210637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.210637][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.210637][   T10]      netlink_unicast+0x449/0x710
[ 3217.210637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.210637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.210637][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.210637][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.210637][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.210637][   T10] 
[ 3217.212818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.212818][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3217.212818][   T10]      ipv6_find_idev+0x102/0x170
[ 3217.212818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.212818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.212818][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.212818][   T10]      netlink_unicast+0x449/0x710
[ 3217.212818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.212818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.212818][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.212818][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.212818][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.212818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.212818][   T10] 
[ 3217.214555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3217.214555][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3217.214555][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3217.214555][   T10]      ipv6_find_idev+0x102/0x170
[ 3217.214555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.214555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.214555][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.214555][   T10]      netlink_unicast+0x449/0x710
[ 3217.214555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.214555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.214555][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.214555][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.214555][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.214555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.214555][   T10] 
[ 3217.216515][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3217.216786][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3217.216786][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.216786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.216786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.216786][   T10]      ip6_route_add+0x1c/0x140
[ 3217.216786][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3217.216786][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3217.216786][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.216786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.216786][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.216786][   T10]      netlink_unicast+0x449/0x710
[ 3217.216786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.216786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.216786][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.216786][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.216786][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.216786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.216786][   T10] 
[ 3217.219051][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3217.219051][   T10]      netdev_get_by_index+0x5e/0x80
[ 3217.219051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3217.219051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3217.219051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3217.219051][   T10]      ipv6_add_addr+0x411/0x2000
[ 3217.219051][   T10]      inet6_addr_add+0x30e/0xa40
[ 3217.219051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3217.219051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.219051][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.219051][   T10]      netlink_unicast+0x449/0x710
[ 3217.219051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.219051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.219051][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.219051][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.219051][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.219051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.219051][   T10] 
[ 3217.221377][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3217.221377][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3217.221377][   T10]      ipv6_find_idev+0x102/0x170
[ 3217.221377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.221377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.221377][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.221377][   T10]      netlink_unicast+0x449/0x710
[ 3217.221377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.221377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.221377][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.221377][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.221377][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.221377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.221377][   T10] 
[ 3217.223135][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3217.223135][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3217.223135][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3217.223135][   T10]      ipv6_find_idev+0x102/0x170
[ 3217.223135][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3217.223135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3217.223135][   T10]      netlink_rcv_skb+0x130/0x360
[ 3217.223135][   T10]      netlink_unicast+0x449/0x710
[ 3217.223135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3217.223135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3217.223135][   T10]      ___sys_sendmsg+0xee/0x170
[ 3217.223135][   T10]      __sys_sendmsg+0xcd/0x170
[ 3217.223135][   T10]      do_syscall_64+0xc6/0x1e0
[ 3217.223135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3217.223135][   T10] 
[ 3227.472872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3227.473515][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.473515][   T10]      dst_init+0x84/0x4a0
[ 3227.473515][   T10]      dst_alloc+0x97/0x150
[ 3227.473515][   T10]      ip6_dst_alloc+0x23/0x90
[ 3227.473515][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3227.473515][   T10]      ip6_pol_route+0x56f/0x840
[ 3227.473515][   T10]      fib6_rule_lookup+0x456/0x630
[ 3227.473515][   T10]      ip6_route_input+0x59c/0xa50
[ 3227.473515][   T10]      ipv6_rcv+0x397/0x810
[ 3227.473515][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3227.473515][   T10]      process_backlog+0x101/0x620
[ 3227.473515][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3227.473515][   T10]      net_rx_action+0x495/0xbe0
[ 3227.473515][   T10]      __do_softirq+0x1b5/0x7f6
[ 3227.473515][   T10] 
[ 3227.475193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.475193][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3227.475193][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3227.475193][   T10]      fib6_nh_init+0xa22/0x1580
[ 3227.475193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.475193][   T10]      ip6_route_add+0x1c/0x140
[ 3227.475193][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3227.475193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.475193][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.475193][   T10]      netlink_unicast+0x449/0x710
[ 3227.475193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.475193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.475193][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.475193][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.475193][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.475193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.475193][   T10] 
[ 3227.477028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.477028][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.477028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.477028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.477028][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3227.477028][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3227.477028][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3227.477028][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3227.477028][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3227.477028][   T10]      addrconf_dad_begin+0x310/0x670
[ 3227.477028][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3227.477028][   T10]      process_one_work+0x84d/0x18a0
[ 3227.477028][   T10]      worker_thread+0x587/0xd30
[ 3227.477028][   T10]      kthread+0x28a/0x350
[ 3227.477028][   T10]      ret_from_fork+0x31/0x70
[ 3227.477028][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3227.477028][   T10] 
[ 3227.478908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.478908][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.478908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.478908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.478908][   T10]      ip6_route_add+0x1c/0x140
[ 3227.478908][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3227.478908][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3227.478908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.478908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.478908][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.478908][   T10]      netlink_unicast+0x449/0x710
[ 3227.478908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.478908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.478908][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.478908][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.478908][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.478908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.478908][   T10] 
[ 3227.480934][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.480934][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.480934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.480934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.480934][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3227.480934][   T10]      ipv6_add_addr+0x411/0x2000
[ 3227.480934][   T10]      inet6_addr_add+0x30e/0xa40
[ 3227.480934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.480934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.480934][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.480934][   T10]      netlink_unicast+0x449/0x710
[ 3227.480934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.480934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.480934][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.480934][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.480934][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.480934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.480934][   T10] 
[ 3227.482845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.482845][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.482845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.482845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.482845][   T10]      ip6_route_add+0x1c/0x140
[ 3227.482845][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3227.482845][   T10]      addrconf_add_dev+0xe2/0x170
[ 3227.482845][   T10]      inet6_addr_add+0x12f/0xa40
[ 3227.482845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.482845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.482845][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.482845][   T10]      netlink_unicast+0x449/0x710
[ 3227.482845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.482845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.482845][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.482845][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.482845][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.482845][   T10] 
[ 3227.484716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.484716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3227.484716][   T10]      ipv6_find_idev+0x102/0x170
[ 3227.484716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.484716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.484716][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.484716][   T10]      netlink_unicast+0x449/0x710
[ 3227.484716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.484716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.484716][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.484716][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.484716][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.484716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.484716][   T10] 
[ 3227.486232][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3227.486232][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3227.486232][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3227.486232][   T10]      ipv6_find_idev+0x102/0x170
[ 3227.486232][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.486232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.486232][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.486232][   T10]      netlink_unicast+0x449/0x710
[ 3227.486232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.486232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.486232][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.486232][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.486232][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.486232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.486232][   T10] 
[ 3227.489070][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3227.489324][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.489324][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3227.489324][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3227.489324][   T10]      fib6_nh_init+0xa22/0x1580
[ 3227.489324][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.489324][   T10]      ip6_route_add+0x1c/0x140
[ 3227.489324][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3227.489324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.489324][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.489324][   T10]      netlink_unicast+0x449/0x710
[ 3227.489324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.489324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.489324][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.489324][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.489324][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.489324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.489324][   T10] 
[ 3227.491182][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.491182][   T10]      dst_init+0x84/0x4a0
[ 3227.491182][   T10]      dst_alloc+0x97/0x150
[ 3227.491182][   T10]      ip6_dst_alloc+0x23/0x90
[ 3227.491182][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3227.491182][   T10]      ip6_pol_route+0x56f/0x840
[ 3227.491182][   T10]      fib6_rule_lookup+0x456/0x630
[ 3227.491182][   T10]      ip6_route_input+0x59c/0xa50
[ 3227.491182][   T10]      ipv6_rcv+0x397/0x810
[ 3227.491182][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3227.491182][   T10]      process_backlog+0x101/0x620
[ 3227.491182][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3227.491182][   T10]      net_rx_action+0x495/0xbe0
[ 3227.491182][   T10]      __do_softirq+0x1b5/0x7f6
[ 3227.491182][   T10] 
[ 3227.492845][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.492845][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.492845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.492845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.492845][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3227.492845][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3227.492845][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3227.492845][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3227.492845][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3227.492845][   T10]      addrconf_dad_begin+0x310/0x670
[ 3227.492845][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3227.492845][   T10]      process_one_work+0x84d/0x18a0
[ 3227.492845][   T10]      worker_thread+0x587/0xd30
[ 3227.492845][   T10]      kthread+0x28a/0x350
[ 3227.492845][   T10]      ret_from_fork+0x31/0x70
[ 3227.492845][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3227.492845][   T10] 
[ 3227.494795][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.494795][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.494795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.494795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.494795][   T10]      ip6_route_add+0x1c/0x140
[ 3227.494795][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3227.494795][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3227.494795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.494795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.494795][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.494795][   T10]      netlink_unicast+0x449/0x710
[ 3227.494795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.494795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.494795][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.494795][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.494795][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.494795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.494795][   T10] 
[ 3227.496817][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.496817][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.496817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.496817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.496817][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3227.496817][   T10]      ipv6_add_addr+0x411/0x2000
[ 3227.496817][   T10]      inet6_addr_add+0x30e/0xa40
[ 3227.496817][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.496817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.496817][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.496817][   T10]      netlink_unicast+0x449/0x710
[ 3227.496817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.496817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.496817][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.496817][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.496817][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.496817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.496817][   T10] 
[ 3227.498815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.498815][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.498815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.498815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.498815][   T10]      ip6_route_add+0x1c/0x140
[ 3227.498815][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3227.498815][   T10]      addrconf_add_dev+0xe2/0x170
[ 3227.498815][   T10]      inet6_addr_add+0x12f/0xa40
[ 3227.498815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.498815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.498815][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.498815][   T10]      netlink_unicast+0x449/0x710
[ 3227.498815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.498815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.498815][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.498815][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.498815][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.498815][   T10] 
[ 3227.500942][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.500942][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3227.500942][   T10]      ipv6_find_idev+0x102/0x170
[ 3227.500942][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.500942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.500942][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.500942][   T10]      netlink_unicast+0x449/0x710
[ 3227.500942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.500942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.500942][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.500942][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.500942][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.500942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.500942][   T10] 
[ 3227.502749][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3227.502749][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3227.502749][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3227.502749][   T10]      ipv6_find_idev+0x102/0x170
[ 3227.502749][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.502749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.502749][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.502749][   T10]      netlink_unicast+0x449/0x710
[ 3227.502749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.502749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.502749][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.502749][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.502749][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.502749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.502749][   T10] 
[ 3227.504613][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3227.504857][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3227.504857][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.504857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.504857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.504857][   T10]      ip6_route_add+0x1c/0x140
[ 3227.504857][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3227.504857][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3227.504857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.504857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.504857][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.504857][   T10]      netlink_unicast+0x449/0x710
[ 3227.504857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.504857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.504857][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.504857][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.504857][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.504857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.504857][   T10] 
[ 3227.507063][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3227.507063][   T10]      netdev_get_by_index+0x5e/0x80
[ 3227.507063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3227.507063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3227.507063][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3227.507063][   T10]      ipv6_add_addr+0x411/0x2000
[ 3227.507063][   T10]      inet6_addr_add+0x30e/0xa40
[ 3227.507063][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3227.507063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.507063][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.507063][   T10]      netlink_unicast+0x449/0x710
[ 3227.507063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.507063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.507063][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.507063][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.507063][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.507063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.507063][   T10] 
[ 3227.509300][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3227.509300][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3227.509300][   T10]      ipv6_find_idev+0x102/0x170
[ 3227.509300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.509300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.509300][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.509300][   T10]      netlink_unicast+0x449/0x710
[ 3227.509300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.509300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.509300][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.509300][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.509300][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.509300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.509300][   T10] 
[ 3227.511077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3227.511077][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3227.511077][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3227.511077][   T10]      ipv6_find_idev+0x102/0x170
[ 3227.511077][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3227.511077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3227.511077][   T10]      netlink_rcv_skb+0x130/0x360
[ 3227.511077][   T10]      netlink_unicast+0x449/0x710
[ 3227.511077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3227.511077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3227.511077][   T10]      ___sys_sendmsg+0xee/0x170
[ 3227.511077][   T10]      __sys_sendmsg+0xcd/0x170
[ 3227.511077][   T10]      do_syscall_64+0xc6/0x1e0
[ 3227.511077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3227.511077][   T10] 
[ 3237.760754][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3237.761367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.761367][   T10]      dst_init+0x84/0x4a0
[ 3237.761367][   T10]      dst_alloc+0x97/0x150
[ 3237.761367][   T10]      ip6_dst_alloc+0x23/0x90
[ 3237.761367][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3237.761367][   T10]      ip6_pol_route+0x56f/0x840
[ 3237.761367][   T10]      fib6_rule_lookup+0x456/0x630
[ 3237.761367][   T10]      ip6_route_input+0x59c/0xa50
[ 3237.761367][   T10]      ipv6_rcv+0x397/0x810
[ 3237.761367][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3237.761367][   T10]      process_backlog+0x101/0x620
[ 3237.761367][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3237.761367][   T10]      net_rx_action+0x495/0xbe0
[ 3237.761367][   T10]      __do_softirq+0x1b5/0x7f6
[ 3237.761367][   T10] 
[ 3237.763044][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.763044][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3237.763044][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3237.763044][   T10]      fib6_nh_init+0xa22/0x1580
[ 3237.763044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.763044][   T10]      ip6_route_add+0x1c/0x140
[ 3237.763044][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3237.763044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.763044][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.763044][   T10]      netlink_unicast+0x449/0x710
[ 3237.763044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.763044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.763044][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.763044][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.763044][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.763044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.763044][   T10] 
[ 3237.764957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.764957][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.764957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.764957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.764957][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3237.764957][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3237.764957][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3237.764957][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3237.764957][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3237.764957][   T10]      addrconf_dad_begin+0x310/0x670
[ 3237.764957][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3237.764957][   T10]      process_one_work+0x84d/0x18a0
[ 3237.764957][   T10]      worker_thread+0x587/0xd30
[ 3237.764957][   T10]      kthread+0x28a/0x350
[ 3237.764957][   T10]      ret_from_fork+0x31/0x70
[ 3237.764957][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3237.764957][   T10] 
[ 3237.766916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.766916][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.766916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.766916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.766916][   T10]      ip6_route_add+0x1c/0x140
[ 3237.766916][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3237.766916][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3237.766916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.766916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.766916][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.766916][   T10]      netlink_unicast+0x449/0x710
[ 3237.766916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.766916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.766916][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.766916][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.766916][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.766916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.766916][   T10] 
[ 3237.768951][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.768951][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.768951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.768951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.768951][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3237.768951][   T10]      ipv6_add_addr+0x411/0x2000
[ 3237.768951][   T10]      inet6_addr_add+0x30e/0xa40
[ 3237.768951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.768951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.768951][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.768951][   T10]      netlink_unicast+0x449/0x710
[ 3237.768951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.768951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.768951][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.768951][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.768951][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.768951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.768951][   T10] 
[ 3237.771021][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.771021][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.771021][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.771021][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.771021][   T10]      ip6_route_add+0x1c/0x140
[ 3237.771021][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3237.771021][   T10]      addrconf_add_dev+0xe2/0x170
[ 3237.771021][   T10]      inet6_addr_add+0x12f/0xa40
[ 3237.771021][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.771021][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.771021][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.771021][   T10]      netlink_unicast+0x449/0x710
[ 3237.771021][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.771021][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.771021][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.771021][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.771021][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.771021][   T10] 
[ 3237.773024][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.773024][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3237.773024][   T10]      ipv6_find_idev+0x102/0x170
[ 3237.773024][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.773024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.773024][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.773024][   T10]      netlink_unicast+0x449/0x710
[ 3237.773024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.773024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.773024][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.773024][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.773024][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.773024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.773024][   T10] 
[ 3237.774611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3237.774611][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3237.774611][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3237.774611][   T10]      ipv6_find_idev+0x102/0x170
[ 3237.774611][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.774611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.774611][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.774611][   T10]      netlink_unicast+0x449/0x710
[ 3237.774611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.774611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.774611][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.774611][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.774611][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.774611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.774611][   T10] 
[ 3237.777646][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3237.777926][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.777926][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3237.777926][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3237.777926][   T10]      fib6_nh_init+0xa22/0x1580
[ 3237.777926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.777926][   T10]      ip6_route_add+0x1c/0x140
[ 3237.777926][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3237.777926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.777926][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.777926][   T10]      netlink_unicast+0x449/0x710
[ 3237.777926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.777926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.777926][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.777926][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.777926][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.777926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.777926][   T10] 
[ 3237.779863][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.779863][   T10]      dst_init+0x84/0x4a0
[ 3237.779863][   T10]      dst_alloc+0x97/0x150
[ 3237.779863][   T10]      ip6_dst_alloc+0x23/0x90
[ 3237.779863][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3237.779863][   T10]      ip6_pol_route+0x56f/0x840
[ 3237.779863][   T10]      fib6_rule_lookup+0x456/0x630
[ 3237.779863][   T10]      ip6_route_input+0x59c/0xa50
[ 3237.779863][   T10]      ipv6_rcv+0x397/0x810
[ 3237.779863][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3237.779863][   T10]      process_backlog+0x101/0x620
[ 3237.779863][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3237.779863][   T10]      net_rx_action+0x495/0xbe0
[ 3237.779863][   T10]      __do_softirq+0x1b5/0x7f6
[ 3237.779863][   T10] 
[ 3237.781527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.781527][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.781527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.781527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.781527][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3237.781527][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3237.781527][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3237.781527][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3237.781527][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3237.781527][   T10]      addrconf_dad_begin+0x310/0x670
[ 3237.781527][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3237.781527][   T10]      process_one_work+0x84d/0x18a0
[ 3237.781527][   T10]      worker_thread+0x587/0xd30
[ 3237.781527][   T10]      kthread+0x28a/0x350
[ 3237.781527][   T10]      ret_from_fork+0x31/0x70
[ 3237.781527][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3237.781527][   T10] 
[ 3237.783477][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.783477][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.783477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.783477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.783477][   T10]      ip6_route_add+0x1c/0x140
[ 3237.783477][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3237.783477][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3237.783477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.783477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.783477][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.783477][   T10]      netlink_unicast+0x449/0x710
[ 3237.783477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.783477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.783477][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.783477][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.783477][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.783477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.783477][   T10] 
[ 3237.785500][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.785500][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.785500][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.785500][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.785500][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3237.785500][   T10]      ipv6_add_addr+0x411/0x2000
[ 3237.785500][   T10]      inet6_addr_add+0x30e/0xa40
[ 3237.785500][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.785500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.785500][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.785500][   T10]      netlink_unicast+0x449/0x710
[ 3237.785500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.785500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.785500][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.785500][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.785500][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.785500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.785500][   T10] 
[ 3237.787535][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.787535][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.787535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.787535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.787535][   T10]      ip6_route_add+0x1c/0x140
[ 3237.787535][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3237.787535][   T10]      addrconf_add_dev+0xe2/0x170
[ 3237.787535][   T10]      inet6_addr_add+0x12f/0xa40
[ 3237.787535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.787535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.787535][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.787535][   T10]      netlink_unicast+0x449/0x710
[ 3237.787535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.787535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.787535][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.787535][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.787535][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.787535][   T10] 
[ 3237.789736][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.789736][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3237.789736][   T10]      ipv6_find_idev+0x102/0x170
[ 3237.789736][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.789736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.789736][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.789736][   T10]      netlink_unicast+0x449/0x710
[ 3237.789736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.789736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.789736][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.789736][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.789736][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.789736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.789736][   T10] 
[ 3237.791498][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3237.791498][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3237.791498][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3237.791498][   T10]      ipv6_find_idev+0x102/0x170
[ 3237.791498][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.791498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.791498][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.791498][   T10]      netlink_unicast+0x449/0x710
[ 3237.791498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.791498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.791498][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.791498][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.791498][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.791498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.791498][   T10] 
[ 3237.793458][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3237.793714][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3237.793714][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.793714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.793714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.793714][   T10]      ip6_route_add+0x1c/0x140
[ 3237.793714][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3237.793714][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3237.793714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.793714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.793714][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.793714][   T10]      netlink_unicast+0x449/0x710
[ 3237.793714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.793714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.793714][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.793714][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.793714][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.793714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.793714][   T10] 
[ 3237.796000][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3237.796000][   T10]      netdev_get_by_index+0x5e/0x80
[ 3237.796000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3237.796000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3237.796000][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3237.796000][   T10]      ipv6_add_addr+0x411/0x2000
[ 3237.796000][   T10]      inet6_addr_add+0x30e/0xa40
[ 3237.796000][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3237.796000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.796000][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.796000][   T10]      netlink_unicast+0x449/0x710
[ 3237.796000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.796000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.796000][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.796000][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.796000][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.796000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.796000][   T10] 
[ 3237.798265][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3237.798265][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3237.798265][   T10]      ipv6_find_idev+0x102/0x170
[ 3237.798265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.798265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.798265][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.798265][   T10]      netlink_unicast+0x449/0x710
[ 3237.798265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.798265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.798265][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.798265][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.798265][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.798265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.798265][   T10] 
[ 3237.799997][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3237.799997][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3237.799997][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3237.799997][   T10]      ipv6_find_idev+0x102/0x170
[ 3237.799997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3237.799997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3237.799997][   T10]      netlink_rcv_skb+0x130/0x360
[ 3237.799997][   T10]      netlink_unicast+0x449/0x710
[ 3237.799997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3237.799997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3237.799997][   T10]      ___sys_sendmsg+0xee/0x170
[ 3237.799997][   T10]      __sys_sendmsg+0xcd/0x170
[ 3237.799997][   T10]      do_syscall_64+0xc6/0x1e0
[ 3237.799997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3237.799997][   T10] 
[ 3247.832697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3247.833197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.833197][   T10]      dst_init+0x84/0x4a0
[ 3247.833197][   T10]      dst_alloc+0x97/0x150
[ 3247.833197][   T10]      ip6_dst_alloc+0x23/0x90
[ 3247.833197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3247.833197][   T10]      ip6_pol_route+0x56f/0x840
[ 3247.833197][   T10]      fib6_rule_lookup+0x456/0x630
[ 3247.833197][   T10]      ip6_route_input+0x59c/0xa50
[ 3247.833197][   T10]      ipv6_rcv+0x397/0x810
[ 3247.833197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3247.833197][   T10]      process_backlog+0x101/0x620
[ 3247.833197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3247.833197][   T10]      net_rx_action+0x495/0xbe0
[ 3247.833197][   T10]      __do_softirq+0x1b5/0x7f6
[ 3247.833197][   T10] 
[ 3247.835349][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.835349][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3247.835349][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3247.835349][   T10]      fib6_nh_init+0xa22/0x1580
[ 3247.835349][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.835349][   T10]      ip6_route_add+0x1c/0x140
[ 3247.835349][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3247.835349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.835349][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.835349][   T10]      netlink_unicast+0x449/0x710
[ 3247.835349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.835349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.835349][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.835349][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.835349][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.835349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.835349][   T10] 
[ 3247.837742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.837742][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.837742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.837742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.837742][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3247.837742][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3247.837742][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3247.837742][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3247.837742][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3247.837742][   T10]      addrconf_dad_begin+0x310/0x670
[ 3247.837742][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3247.837742][   T10]      process_one_work+0x84d/0x18a0
[ 3247.837742][   T10]      worker_thread+0x587/0xd30
[ 3247.837742][   T10]      kthread+0x28a/0x350
[ 3247.837742][   T10]      ret_from_fork+0x31/0x70
[ 3247.837742][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3247.837742][   T10] 
[ 3247.840196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.840196][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.840196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.840196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.840196][   T10]      ip6_route_add+0x1c/0x140
[ 3247.840196][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3247.840196][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3247.840196][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.840196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.840196][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.840196][   T10]      netlink_unicast+0x449/0x710
[ 3247.840196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.840196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.840196][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.840196][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.840196][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.840196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.840196][   T10] 
[ 3247.842230][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.842230][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.842230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.842230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.842230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3247.842230][   T10]      ipv6_add_addr+0x411/0x2000
[ 3247.842230][   T10]      inet6_addr_add+0x30e/0xa40
[ 3247.842230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.842230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.842230][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.842230][   T10]      netlink_unicast+0x449/0x710
[ 3247.842230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.842230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.842230][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.842230][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.842230][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.842230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.842230][   T10] 
[ 3247.844205][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.844205][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.844205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.844205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.844205][   T10]      ip6_route_add+0x1c/0x140
[ 3247.844205][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3247.844205][   T10]      addrconf_add_dev+0xe2/0x170
[ 3247.844205][   T10]      inet6_addr_add+0x12f/0xa40
[ 3247.844205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.844205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.844205][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.844205][   T10]      netlink_unicast+0x449/0x710
[ 3247.844205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.844205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.844205][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.844205][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.844205][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.844205][   T10] 
[ 3247.846198][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.846198][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3247.846198][   T10]      ipv6_find_idev+0x102/0x170
[ 3247.846198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3247.846198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.846198][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.846198][   T10]      netlink_unicast+0x449/0x710
[ 3247.846198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.846198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.846198][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.846198][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.846198][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.846198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.846198][   T10] 
[ 3247.847750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3247.847750][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3247.847750][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3247.847750][   T10]      ipv6_find_idev+0x102/0x170
[ 3247.847750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3247.847750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.847750][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.847750][   T10]      netlink_unicast+0x449/0x710
[ 3247.847750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.847750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.847750][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.847750][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.847750][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.847750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.847750][   T10] 
[ 3247.849980][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3247.850229][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.850229][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3247.850229][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3247.850229][   T10]      fib6_nh_init+0xa22/0x1580
[ 3247.850229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.850229][   T10]      ip6_route_add+0x1c/0x140
[ 3247.850229][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3247.850229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.850229][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.850229][   T10]      netlink_unicast+0x449/0x710
[ 3247.850229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.850229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.850229][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.850229][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.850229][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.850229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.850229][   T10] 
[ 3247.852139][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.852139][   T10]      dst_init+0x84/0x4a0
[ 3247.852139][   T10]      dst_alloc+0x97/0x150
[ 3247.852139][   T10]      ip6_dst_alloc+0x23/0x90
[ 3247.852139][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3247.852139][   T10]      ip6_pol_route+0x56f/0x840
[ 3247.852139][   T10]      fib6_rule_lookup+0x456/0x630
[ 3247.852139][   T10]      ip6_route_input+0x59c/0xa50
[ 3247.852139][   T10]      ipv6_rcv+0x397/0x810
[ 3247.852139][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3247.852139][   T10]      process_backlog+0x101/0x620
[ 3247.852139][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3247.852139][   T10]      net_rx_action+0x495/0xbe0
[ 3247.852139][   T10]      __do_softirq+0x1b5/0x7f6
[ 3247.852139][   T10] 
[ 3247.853788][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.853788][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.853788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.853788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.853788][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3247.853788][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3247.853788][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3247.853788][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3247.853788][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3247.853788][   T10]      addrconf_dad_begin+0x310/0x670
[ 3247.853788][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3247.853788][   T10]      process_one_work+0x84d/0x18a0
[ 3247.853788][   T10]      worker_thread+0x587/0xd30
[ 3247.853788][   T10]      kthread+0x28a/0x350
[ 3247.853788][   T10]      ret_from_fork+0x31/0x70
[ 3247.853788][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3247.853788][   T10] 
[ 3247.855706][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.855706][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.855706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.855706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.855706][   T10]      ip6_route_add+0x1c/0x140
[ 3247.855706][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3247.855706][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3247.855706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.855706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.855706][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.855706][   T10]      netlink_unicast+0x449/0x710
[ 3247.855706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.855706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.855706][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.855706][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.855706][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.855706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.855706][   T10] 
[ 3247.857722][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.857722][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.857722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.857722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.857722][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3247.857722][   T10]      ipv6_add_addr+0x411/0x2000
[ 3247.857722][   T10]      inet6_addr_add+0x30e/0xa40
[ 3247.857722][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.857722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.857722][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.857722][   T10]      netlink_unicast+0x449/0x710
[ 3247.857722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.857722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.857722][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.857722][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.857722][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.857722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.857722][   T10] 
[ 3247.859735][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.859735][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.859735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.859735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.859735][   T10]      ip6_route_add+0x1c/0x140
[ 3247.859735][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3247.859735][   T10]      addrconf_add_dev+0xe2/0x170
[ 3247.859735][   T10]      inet6_addr_add+0x12f/0xa40
[ 3247.859735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.859735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.859735][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.859735][   T10]      netlink_unicast+0x449/0x710
[ 3247.859735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.859735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.859735][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.859735][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.859735][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.859735][   T10] 
[ 3247.862022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.862022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3247.862022][   T10]      ipv6_find_idev+0x102/0x170
[ 3247.862022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3247.862022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.862022][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.862022][   T10]      netlink_unicast+0x449/0x710
[ 3247.862022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.862022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.862022][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.862022][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.862022][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.862022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.862022][   T10] 
[ 3247.863827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3247.863827][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3247.863827][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3247.863827][   T10]      ipv6_find_idev+0x102/0x170
[ 3247.863827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3247.863827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.863827][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.863827][   T10]      netlink_unicast+0x449/0x710
[ 3247.863827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.863827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.863827][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.863827][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.863827][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.863827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.863827][   T10] 
[ 3247.865730][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3247.865967][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3247.865967][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.865967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.865967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.865967][   T10]      ip6_route_add+0x1c/0x140
[ 3247.865967][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3247.865967][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3247.865967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.865967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.865967][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.865967][   T10]      netlink_unicast+0x449/0x710
[ 3247.865967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.865967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.865967][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.865967][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.865967][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.865967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.865967][   T10] 
[ 3247.868249][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3247.868249][   T10]      netdev_get_by_index+0x5e/0x80
[ 3247.868249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3247.868249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3247.868249][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3247.868249][   T10]      ipv6_add_addr+0x411/0x2000
[ 3247.868249][   T10]      inet6_addr_add+0x30e/0xa40
[ 3247.868249][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3247.868249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.868249][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.868249][   T10]      netlink_unicast+0x449/0x710
[ 3247.868249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.868249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.868249][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.868249][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.868249][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.868249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.868249][   T10] 
[ 3247.870542][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3247.870542][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3247.870542][   T10]      ipv6_find_idev+0x102/0x170
[ 3247.870542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3247.870542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.870542][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.870542][   T10]      netlink_unicast+0x449/0x710
[ 3247.870542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.870542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.870542][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.870542][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.870542][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.870542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.870542][   T10] 
[ 3247.872347][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3247.872347][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3247.872347][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3247.872347][   T10]      ipv6_find_idev+0x102/0x170
[ 3247.872347][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3247.872347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3247.872347][   T10]      netlink_rcv_skb+0x130/0x360
[ 3247.872347][   T10]      netlink_unicast+0x449/0x710
[ 3247.872347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3247.872347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3247.872347][   T10]      ___sys_sendmsg+0xee/0x170
[ 3247.872347][   T10]      __sys_sendmsg+0xcd/0x170
[ 3247.872347][   T10]      do_syscall_64+0xc6/0x1e0
[ 3247.872347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3247.872347][   T10] 
[ 3258.112719][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3258.113144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.113144][   T10]      dst_init+0x84/0x4a0
[ 3258.113144][   T10]      dst_alloc+0x97/0x150
[ 3258.113144][   T10]      ip6_dst_alloc+0x23/0x90
[ 3258.113144][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3258.113144][   T10]      ip6_pol_route+0x56f/0x840
[ 3258.113144][   T10]      fib6_rule_lookup+0x456/0x630
[ 3258.113144][   T10]      ip6_route_input+0x59c/0xa50
[ 3258.113144][   T10]      ipv6_rcv+0x397/0x810
[ 3258.113144][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3258.113144][   T10]      process_backlog+0x101/0x620
[ 3258.113144][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3258.113144][   T10]      net_rx_action+0x495/0xbe0
[ 3258.113144][   T10]      __do_softirq+0x1b5/0x7f6
[ 3258.113144][   T10] 
[ 3258.114798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.114798][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3258.114798][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3258.114798][   T10]      fib6_nh_init+0xa22/0x1580
[ 3258.114798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.114798][   T10]      ip6_route_add+0x1c/0x140
[ 3258.114798][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3258.114798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.114798][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.114798][   T10]      netlink_unicast+0x449/0x710
[ 3258.114798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.114798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.114798][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.114798][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.114798][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.114798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.114798][   T10] 
[ 3258.116729][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.116729][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.116729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.116729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.116729][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3258.116729][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3258.116729][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3258.116729][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3258.116729][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3258.116729][   T10]      addrconf_dad_begin+0x310/0x670
[ 3258.116729][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3258.116729][   T10]      process_one_work+0x84d/0x18a0
[ 3258.116729][   T10]      worker_thread+0x587/0xd30
[ 3258.116729][   T10]      kthread+0x28a/0x350
[ 3258.116729][   T10]      ret_from_fork+0x31/0x70
[ 3258.116729][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3258.116729][   T10] 
[ 3258.118595][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.118595][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.118595][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.118595][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.118595][   T10]      ip6_route_add+0x1c/0x140
[ 3258.118595][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3258.118595][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3258.118595][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.118595][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.118595][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.118595][   T10]      netlink_unicast+0x449/0x710
[ 3258.118595][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.118595][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.118595][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.118595][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.118595][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.118595][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.118595][   T10] 
[ 3258.120646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.120646][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.120646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.120646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.120646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3258.120646][   T10]      ipv6_add_addr+0x411/0x2000
[ 3258.120646][   T10]      inet6_addr_add+0x30e/0xa40
[ 3258.120646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.120646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.120646][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.120646][   T10]      netlink_unicast+0x449/0x710
[ 3258.120646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.120646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.120646][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.120646][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.120646][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.120646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.120646][   T10] 
[ 3258.122671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.122671][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.122671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.122671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.122671][   T10]      ip6_route_add+0x1c/0x140
[ 3258.122671][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3258.122671][   T10]      addrconf_add_dev+0xe2/0x170
[ 3258.122671][   T10]      inet6_addr_add+0x12f/0xa40
[ 3258.122671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.122671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.122671][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.122671][   T10]      netlink_unicast+0x449/0x710
[ 3258.122671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.122671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.122671][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.122671][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.122671][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.122671][   T10] 
[ 3258.124640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.124640][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3258.124640][   T10]      ipv6_find_idev+0x102/0x170
[ 3258.124640][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.124640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.124640][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.124640][   T10]      netlink_unicast+0x449/0x710
[ 3258.124640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.124640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.124640][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.124640][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.124640][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.124640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.124640][   T10] 
[ 3258.126180][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3258.126180][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3258.126180][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3258.126180][   T10]      ipv6_find_idev+0x102/0x170
[ 3258.126180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.126180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.126180][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.126180][   T10]      netlink_unicast+0x449/0x710
[ 3258.126180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.126180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.126180][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.126180][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.126180][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.126180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.126180][   T10] 
[ 3258.127872][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3258.128111][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.128111][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3258.128111][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3258.128111][   T10]      fib6_nh_init+0xa22/0x1580
[ 3258.128111][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.128111][   T10]      ip6_route_add+0x1c/0x140
[ 3258.128111][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3258.128111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.128111][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.128111][   T10]      netlink_unicast+0x449/0x710
[ 3258.128111][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.128111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.128111][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.128111][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.128111][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.128111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.128111][   T10] 
[ 3258.129990][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.129990][   T10]      dst_init+0x84/0x4a0
[ 3258.129990][   T10]      dst_alloc+0x97/0x150
[ 3258.129990][   T10]      ip6_dst_alloc+0x23/0x90
[ 3258.129990][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3258.129990][   T10]      ip6_pol_route+0x56f/0x840
[ 3258.129990][   T10]      fib6_rule_lookup+0x456/0x630
[ 3258.129990][   T10]      ip6_route_input+0x59c/0xa50
[ 3258.129990][   T10]      ipv6_rcv+0x397/0x810
[ 3258.129990][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3258.129990][   T10]      process_backlog+0x101/0x620
[ 3258.129990][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3258.129990][   T10]      net_rx_action+0x495/0xbe0
[ 3258.129990][   T10]      __do_softirq+0x1b5/0x7f6
[ 3258.129990][   T10] 
[ 3258.131627][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.131627][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.131627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.131627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.131627][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3258.131627][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3258.131627][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3258.131627][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3258.131627][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3258.131627][   T10]      addrconf_dad_begin+0x310/0x670
[ 3258.131627][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3258.131627][   T10]      process_one_work+0x84d/0x18a0
[ 3258.131627][   T10]      worker_thread+0x587/0xd30
[ 3258.131627][   T10]      kthread+0x28a/0x350
[ 3258.131627][   T10]      ret_from_fork+0x31/0x70
[ 3258.131627][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3258.131627][   T10] 
[ 3258.133530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.133530][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.133530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.133530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.133530][   T10]      ip6_route_add+0x1c/0x140
[ 3258.133530][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3258.133530][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3258.133530][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.133530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.133530][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.133530][   T10]      netlink_unicast+0x449/0x710
[ 3258.133530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.133530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.133530][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.133530][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.133530][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.133530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.133530][   T10] 
[ 3258.135546][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.135546][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.135546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.135546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.135546][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3258.135546][   T10]      ipv6_add_addr+0x411/0x2000
[ 3258.135546][   T10]      inet6_addr_add+0x30e/0xa40
[ 3258.135546][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.135546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.135546][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.135546][   T10]      netlink_unicast+0x449/0x710
[ 3258.135546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.135546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.135546][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.135546][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.135546][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.135546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.135546][   T10] 
[ 3258.137567][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.137567][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.137567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.137567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.137567][   T10]      ip6_route_add+0x1c/0x140
[ 3258.137567][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3258.137567][   T10]      addrconf_add_dev+0xe2/0x170
[ 3258.137567][   T10]      inet6_addr_add+0x12f/0xa40
[ 3258.137567][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.137567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.137567][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.137567][   T10]      netlink_unicast+0x449/0x710
[ 3258.137567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.137567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.137567][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.137567][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.137567][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.137567][   T10] 
[ 3258.139715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.139715][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3258.139715][   T10]      ipv6_find_idev+0x102/0x170
[ 3258.139715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.139715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.139715][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.139715][   T10]      netlink_unicast+0x449/0x710
[ 3258.139715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.139715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.139715][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.139715][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.139715][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.139715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.139715][   T10] 
[ 3258.141533][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3258.141533][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3258.141533][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3258.141533][   T10]      ipv6_find_idev+0x102/0x170
[ 3258.141533][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.141533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.141533][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.141533][   T10]      netlink_unicast+0x449/0x710
[ 3258.141533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.141533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.141533][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.141533][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.141533][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.141533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.141533][   T10] 
[ 3258.143467][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3258.143795][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3258.143795][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.143795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.143795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.143795][   T10]      ip6_route_add+0x1c/0x140
[ 3258.143795][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3258.143795][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3258.143795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.143795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.143795][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.143795][   T10]      netlink_unicast+0x449/0x710
[ 3258.143795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.143795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.143795][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.143795][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.143795][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.143795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.143795][   T10] 
[ 3258.145977][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3258.145977][   T10]      netdev_get_by_index+0x5e/0x80
[ 3258.145977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3258.145977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3258.145977][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3258.145977][   T10]      ipv6_add_addr+0x411/0x2000
[ 3258.145977][   T10]      inet6_addr_add+0x30e/0xa40
[ 3258.145977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3258.145977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.145977][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.145977][   T10]      netlink_unicast+0x449/0x710
[ 3258.145977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.145977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.145977][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.145977][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.145977][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.145977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.145977][   T10] 
[ 3258.148146][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3258.148146][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3258.148146][   T10]      ipv6_find_idev+0x102/0x170
[ 3258.148146][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.148146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.148146][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.148146][   T10]      netlink_unicast+0x449/0x710
[ 3258.148146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.148146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.148146][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.148146][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.148146][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.148146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.148146][   T10] 
[ 3258.149863][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3258.149863][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3258.149863][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3258.149863][   T10]      ipv6_find_idev+0x102/0x170
[ 3258.149863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3258.149863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3258.149863][   T10]      netlink_rcv_skb+0x130/0x360
[ 3258.149863][   T10]      netlink_unicast+0x449/0x710
[ 3258.149863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3258.149863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3258.149863][   T10]      ___sys_sendmsg+0xee/0x170
[ 3258.149863][   T10]      __sys_sendmsg+0xcd/0x170
[ 3258.149863][   T10]      do_syscall_64+0xc6/0x1e0
[ 3258.149863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3258.149863][   T10] 
[ 3268.272780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3268.273270][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.273270][   T10]      dst_init+0x84/0x4a0
[ 3268.273270][   T10]      dst_alloc+0x97/0x150
[ 3268.273270][   T10]      ip6_dst_alloc+0x23/0x90
[ 3268.273270][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3268.273270][   T10]      ip6_pol_route+0x56f/0x840
[ 3268.273270][   T10]      fib6_rule_lookup+0x456/0x630
[ 3268.273270][   T10]      ip6_route_input+0x59c/0xa50
[ 3268.273270][   T10]      ipv6_rcv+0x397/0x810
[ 3268.273270][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3268.273270][   T10]      process_backlog+0x101/0x620
[ 3268.273270][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3268.273270][   T10]      net_rx_action+0x495/0xbe0
[ 3268.273270][   T10]      __do_softirq+0x1b5/0x7f6
[ 3268.273270][   T10] 
[ 3268.274895][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.274895][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3268.274895][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3268.274895][   T10]      fib6_nh_init+0xa22/0x1580
[ 3268.274895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.274895][   T10]      ip6_route_add+0x1c/0x140
[ 3268.274895][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3268.274895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.274895][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.274895][   T10]      netlink_unicast+0x449/0x710
[ 3268.274895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.274895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.274895][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.274895][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.274895][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.274895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.274895][   T10] 
[ 3268.276753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.276753][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.276753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.276753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.276753][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3268.276753][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3268.276753][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3268.276753][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3268.276753][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3268.276753][   T10]      addrconf_dad_begin+0x310/0x670
[ 3268.276753][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3268.276753][   T10]      process_one_work+0x84d/0x18a0
[ 3268.276753][   T10]      worker_thread+0x587/0xd30
[ 3268.276753][   T10]      kthread+0x28a/0x350
[ 3268.276753][   T10]      ret_from_fork+0x31/0x70
[ 3268.276753][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3268.276753][   T10] 
[ 3268.278654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.278654][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.278654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.278654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.278654][   T10]      ip6_route_add+0x1c/0x140
[ 3268.278654][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3268.278654][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3268.278654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.278654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.278654][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.278654][   T10]      netlink_unicast+0x449/0x710
[ 3268.278654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.278654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.278654][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.278654][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.278654][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.278654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.278654][   T10] 
[ 3268.281153][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.281153][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.281153][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.281153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.281153][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3268.281153][   T10]      ipv6_add_addr+0x411/0x2000
[ 3268.281153][   T10]      inet6_addr_add+0x30e/0xa40
[ 3268.281153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.281153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.281153][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.281153][   T10]      netlink_unicast+0x449/0x710
[ 3268.281153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.281153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.281153][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.281153][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.281153][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.281153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.281153][   T10] 
[ 3268.283493][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.283493][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.283493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.283493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.283493][   T10]      ip6_route_add+0x1c/0x140
[ 3268.283493][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3268.283493][   T10]      addrconf_add_dev+0xe2/0x170
[ 3268.283493][   T10]      inet6_addr_add+0x12f/0xa40
[ 3268.283493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.283493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.283493][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.283493][   T10]      netlink_unicast+0x449/0x710
[ 3268.283493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.283493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.283493][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.283493][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.283493][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.283493][   T10] 
[ 3268.285452][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.285452][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3268.285452][   T10]      ipv6_find_idev+0x102/0x170
[ 3268.285452][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.285452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.285452][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.285452][   T10]      netlink_unicast+0x449/0x710
[ 3268.285452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.285452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.285452][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.285452][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.285452][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.285452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.285452][   T10] 
[ 3268.287010][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3268.287010][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3268.287010][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3268.287010][   T10]      ipv6_find_idev+0x102/0x170
[ 3268.287010][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.287010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.287010][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.287010][   T10]      netlink_unicast+0x449/0x710
[ 3268.287010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.287010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.287010][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.287010][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.287010][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.287010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.287010][   T10] 
[ 3268.288730][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3268.288968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.288968][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3268.288968][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3268.288968][   T10]      fib6_nh_init+0xa22/0x1580
[ 3268.288968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.288968][   T10]      ip6_route_add+0x1c/0x140
[ 3268.288968][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3268.288968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.288968][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.288968][   T10]      netlink_unicast+0x449/0x710
[ 3268.288968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.288968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.288968][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.288968][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.288968][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.288968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.288968][   T10] 
[ 3268.290858][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.290858][   T10]      dst_init+0x84/0x4a0
[ 3268.290858][   T10]      dst_alloc+0x97/0x150
[ 3268.290858][   T10]      ip6_dst_alloc+0x23/0x90
[ 3268.290858][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3268.290858][   T10]      ip6_pol_route+0x56f/0x840
[ 3268.290858][   T10]      fib6_rule_lookup+0x456/0x630
[ 3268.290858][   T10]      ip6_route_input+0x59c/0xa50
[ 3268.290858][   T10]      ipv6_rcv+0x397/0x810
[ 3268.290858][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3268.290858][   T10]      process_backlog+0x101/0x620
[ 3268.290858][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3268.290858][   T10]      net_rx_action+0x495/0xbe0
[ 3268.290858][   T10]      __do_softirq+0x1b5/0x7f6
[ 3268.290858][   T10] 
[ 3268.292512][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.292512][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.292512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.292512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.292512][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3268.292512][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3268.292512][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3268.292512][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3268.292512][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3268.292512][   T10]      addrconf_dad_begin+0x310/0x670
[ 3268.292512][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3268.292512][   T10]      process_one_work+0x84d/0x18a0
[ 3268.292512][   T10]      worker_thread+0x587/0xd30
[ 3268.292512][   T10]      kthread+0x28a/0x350
[ 3268.292512][   T10]      ret_from_fork+0x31/0x70
[ 3268.292512][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3268.292512][   T10] 
[ 3268.294410][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.294410][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.294410][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.294410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.294410][   T10]      ip6_route_add+0x1c/0x140
[ 3268.294410][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3268.294410][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3268.294410][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.294410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.294410][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.294410][   T10]      netlink_unicast+0x449/0x710
[ 3268.294410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.294410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.294410][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.294410][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.294410][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.294410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.294410][   T10] 
[ 3268.296453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.296453][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.296453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.296453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.296453][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3268.296453][   T10]      ipv6_add_addr+0x411/0x2000
[ 3268.296453][   T10]      inet6_addr_add+0x30e/0xa40
[ 3268.296453][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.296453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.296453][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.296453][   T10]      netlink_unicast+0x449/0x710
[ 3268.296453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.296453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.296453][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.296453][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.296453][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.296453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.296453][   T10] 
[ 3268.298449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.298449][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.298449][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.298449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.298449][   T10]      ip6_route_add+0x1c/0x140
[ 3268.298449][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3268.298449][   T10]      addrconf_add_dev+0xe2/0x170
[ 3268.298449][   T10]      inet6_addr_add+0x12f/0xa40
[ 3268.298449][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.298449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.298449][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.298449][   T10]      netlink_unicast+0x449/0x710
[ 3268.298449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.298449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.298449][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.298449][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.298449][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.298449][   T10] 
[ 3268.300548][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.300548][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3268.300548][   T10]      ipv6_find_idev+0x102/0x170
[ 3268.300548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.300548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.300548][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.300548][   T10]      netlink_unicast+0x449/0x710
[ 3268.300548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.300548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.300548][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.300548][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.300548][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.300548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.300548][   T10] 
[ 3268.302295][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3268.302295][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3268.302295][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3268.302295][   T10]      ipv6_find_idev+0x102/0x170
[ 3268.302295][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.302295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.302295][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.302295][   T10]      netlink_unicast+0x449/0x710
[ 3268.302295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.302295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.302295][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.302295][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.302295][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.302295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.302295][   T10] 
[ 3268.304157][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3268.304469][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3268.304469][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.304469][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.304469][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.304469][   T10]      ip6_route_add+0x1c/0x140
[ 3268.304469][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3268.304469][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3268.304469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.304469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.304469][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.304469][   T10]      netlink_unicast+0x449/0x710
[ 3268.304469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.304469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.304469][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.304469][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.304469][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.304469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.304469][   T10] 
[ 3268.306714][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3268.306714][   T10]      netdev_get_by_index+0x5e/0x80
[ 3268.306714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3268.306714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3268.306714][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3268.306714][   T10]      ipv6_add_addr+0x411/0x2000
[ 3268.306714][   T10]      inet6_addr_add+0x30e/0xa40
[ 3268.306714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3268.306714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.306714][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.306714][   T10]      netlink_unicast+0x449/0x710
[ 3268.306714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.306714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.306714][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.306714][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.306714][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.306714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.306714][   T10] 
[ 3268.308928][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3268.308928][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3268.308928][   T10]      ipv6_find_idev+0x102/0x170
[ 3268.308928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.308928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.308928][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.308928][   T10]      netlink_unicast+0x449/0x710
[ 3268.308928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.308928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.308928][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.308928][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.308928][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.308928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.308928][   T10] 
[ 3268.310699][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3268.310699][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3268.310699][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3268.310699][   T10]      ipv6_find_idev+0x102/0x170
[ 3268.310699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3268.310699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3268.310699][   T10]      netlink_rcv_skb+0x130/0x360
[ 3268.310699][   T10]      netlink_unicast+0x449/0x710
[ 3268.310699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3268.310699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3268.310699][   T10]      ___sys_sendmsg+0xee/0x170
[ 3268.310699][   T10]      __sys_sendmsg+0xcd/0x170
[ 3268.310699][   T10]      do_syscall_64+0xc6/0x1e0
[ 3268.310699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3268.310699][   T10] 
[ 3278.432790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3278.433456][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.433456][   T10]      dst_init+0x84/0x4a0
[ 3278.433456][   T10]      dst_alloc+0x97/0x150
[ 3278.433456][   T10]      ip6_dst_alloc+0x23/0x90
[ 3278.433456][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3278.433456][   T10]      ip6_pol_route+0x56f/0x840
[ 3278.433456][   T10]      fib6_rule_lookup+0x456/0x630
[ 3278.433456][   T10]      ip6_route_input+0x59c/0xa50
[ 3278.433456][   T10]      ipv6_rcv+0x397/0x810
[ 3278.433456][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3278.433456][   T10]      process_backlog+0x101/0x620
[ 3278.433456][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3278.433456][   T10]      net_rx_action+0x495/0xbe0
[ 3278.433456][   T10]      __do_softirq+0x1b5/0x7f6
[ 3278.433456][   T10] 
[ 3278.435073][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.435073][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3278.435073][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3278.435073][   T10]      fib6_nh_init+0xa22/0x1580
[ 3278.435073][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.435073][   T10]      ip6_route_add+0x1c/0x140
[ 3278.435073][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3278.435073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.435073][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.435073][   T10]      netlink_unicast+0x449/0x710
[ 3278.435073][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.435073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.435073][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.435073][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.435073][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.435073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.435073][   T10] 
[ 3278.436942][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.436942][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.436942][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.436942][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.436942][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3278.436942][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3278.436942][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3278.436942][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3278.436942][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3278.436942][   T10]      addrconf_dad_begin+0x310/0x670
[ 3278.436942][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3278.436942][   T10]      process_one_work+0x84d/0x18a0
[ 3278.436942][   T10]      worker_thread+0x587/0xd30
[ 3278.436942][   T10]      kthread+0x28a/0x350
[ 3278.436942][   T10]      ret_from_fork+0x31/0x70
[ 3278.436942][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3278.436942][   T10] 
[ 3278.438870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.438870][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.438870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.438870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.438870][   T10]      ip6_route_add+0x1c/0x140
[ 3278.438870][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3278.438870][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3278.438870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.438870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.438870][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.438870][   T10]      netlink_unicast+0x449/0x710
[ 3278.438870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.438870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.438870][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.438870][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.438870][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.438870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.438870][   T10] 
[ 3278.440882][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.440882][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.440882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.440882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.440882][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3278.440882][   T10]      ipv6_add_addr+0x411/0x2000
[ 3278.440882][   T10]      inet6_addr_add+0x30e/0xa40
[ 3278.440882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.440882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.440882][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.440882][   T10]      netlink_unicast+0x449/0x710
[ 3278.440882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.440882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.440882][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.440882][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.440882][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.440882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.440882][   T10] 
[ 3278.442884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.442884][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.442884][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.442884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.442884][   T10]      ip6_route_add+0x1c/0x140
[ 3278.442884][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3278.442884][   T10]      addrconf_add_dev+0xe2/0x170
[ 3278.442884][   T10]      inet6_addr_add+0x12f/0xa40
[ 3278.442884][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.442884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.442884][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.442884][   T10]      netlink_unicast+0x449/0x710
[ 3278.442884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.442884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.442884][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.442884][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.442884][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.442884][   T10] 
[ 3278.444827][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.444827][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3278.444827][   T10]      ipv6_find_idev+0x102/0x170
[ 3278.444827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.444827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.444827][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.444827][   T10]      netlink_unicast+0x449/0x710
[ 3278.444827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.444827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.444827][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.444827][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.444827][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.444827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.444827][   T10] 
[ 3278.446369][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3278.446369][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3278.446369][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3278.446369][   T10]      ipv6_find_idev+0x102/0x170
[ 3278.446369][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.446369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.446369][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.446369][   T10]      netlink_unicast+0x449/0x710
[ 3278.446369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.446369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.446369][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.446369][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.446369][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.446369][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.446369][   T10] 
[ 3278.448018][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3278.448277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.448277][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3278.448277][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3278.448277][   T10]      fib6_nh_init+0xa22/0x1580
[ 3278.448277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.448277][   T10]      ip6_route_add+0x1c/0x140
[ 3278.448277][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3278.448277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.448277][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.448277][   T10]      netlink_unicast+0x449/0x710
[ 3278.448277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.448277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.448277][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.448277][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.448277][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.448277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.448277][   T10] 
[ 3278.450156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.450156][   T10]      dst_init+0x84/0x4a0
[ 3278.450156][   T10]      dst_alloc+0x97/0x150
[ 3278.450156][   T10]      ip6_dst_alloc+0x23/0x90
[ 3278.450156][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3278.450156][   T10]      ip6_pol_route+0x56f/0x840
[ 3278.450156][   T10]      fib6_rule_lookup+0x456/0x630
[ 3278.450156][   T10]      ip6_route_input+0x59c/0xa50
[ 3278.450156][   T10]      ipv6_rcv+0x397/0x810
[ 3278.450156][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3278.450156][   T10]      process_backlog+0x101/0x620
[ 3278.450156][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3278.450156][   T10]      net_rx_action+0x495/0xbe0
[ 3278.450156][   T10]      __do_softirq+0x1b5/0x7f6
[ 3278.450156][   T10] 
[ 3278.451834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.451834][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.451834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.451834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.451834][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3278.451834][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3278.451834][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3278.451834][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3278.451834][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3278.451834][   T10]      addrconf_dad_begin+0x310/0x670
[ 3278.451834][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3278.451834][   T10]      process_one_work+0x84d/0x18a0
[ 3278.451834][   T10]      worker_thread+0x587/0xd30
[ 3278.451834][   T10]      kthread+0x28a/0x350
[ 3278.451834][   T10]      ret_from_fork+0x31/0x70
[ 3278.451834][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3278.451834][   T10] 
[ 3278.453756][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.453756][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.453756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.453756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.453756][   T10]      ip6_route_add+0x1c/0x140
[ 3278.453756][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3278.453756][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3278.453756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.453756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.453756][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.453756][   T10]      netlink_unicast+0x449/0x710
[ 3278.453756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.453756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.453756][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.453756][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.453756][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.453756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.453756][   T10] 
[ 3278.455768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.455768][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.455768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.455768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.455768][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3278.455768][   T10]      ipv6_add_addr+0x411/0x2000
[ 3278.455768][   T10]      inet6_addr_add+0x30e/0xa40
[ 3278.455768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.455768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.455768][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.455768][   T10]      netlink_unicast+0x449/0x710
[ 3278.455768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.455768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.455768][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.455768][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.455768][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.455768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.455768][   T10] 
[ 3278.457782][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.457782][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.457782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.457782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.457782][   T10]      ip6_route_add+0x1c/0x140
[ 3278.457782][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3278.457782][   T10]      addrconf_add_dev+0xe2/0x170
[ 3278.457782][   T10]      inet6_addr_add+0x12f/0xa40
[ 3278.457782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.457782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.457782][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.457782][   T10]      netlink_unicast+0x449/0x710
[ 3278.457782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.457782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.457782][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.457782][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.457782][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.457782][   T10] 
[ 3278.459878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.459878][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3278.459878][   T10]      ipv6_find_idev+0x102/0x170
[ 3278.459878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.459878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.459878][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.459878][   T10]      netlink_unicast+0x449/0x710
[ 3278.459878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.459878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.459878][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.459878][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.459878][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.459878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.459878][   T10] 
[ 3278.461673][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3278.461673][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3278.461673][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3278.461673][   T10]      ipv6_find_idev+0x102/0x170
[ 3278.461673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.461673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.461673][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.461673][   T10]      netlink_unicast+0x449/0x710
[ 3278.461673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.461673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.461673][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.461673][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.461673][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.461673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.461673][   T10] 
[ 3278.463552][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3278.463867][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3278.463867][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.463867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.463867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.463867][   T10]      ip6_route_add+0x1c/0x140
[ 3278.463867][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3278.463867][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3278.463867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.463867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.463867][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.463867][   T10]      netlink_unicast+0x449/0x710
[ 3278.463867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.463867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.463867][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.463867][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.463867][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.463867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.463867][   T10] 
[ 3278.466055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3278.466055][   T10]      netdev_get_by_index+0x5e/0x80
[ 3278.466055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3278.466055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3278.466055][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3278.466055][   T10]      ipv6_add_addr+0x411/0x2000
[ 3278.466055][   T10]      inet6_addr_add+0x30e/0xa40
[ 3278.466055][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3278.466055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.466055][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.466055][   T10]      netlink_unicast+0x449/0x710
[ 3278.466055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.466055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.466055][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.466055][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.466055][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.466055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.466055][   T10] 
[ 3278.468194][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3278.468194][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3278.468194][   T10]      ipv6_find_idev+0x102/0x170
[ 3278.468194][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.468194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.468194][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.468194][   T10]      netlink_unicast+0x449/0x710
[ 3278.468194][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.468194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.468194][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.468194][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.468194][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.468194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.468194][   T10] 
[ 3278.469966][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3278.469966][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3278.469966][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3278.469966][   T10]      ipv6_find_idev+0x102/0x170
[ 3278.469966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3278.469966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3278.469966][   T10]      netlink_rcv_skb+0x130/0x360
[ 3278.469966][   T10]      netlink_unicast+0x449/0x710
[ 3278.469966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3278.469966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3278.469966][   T10]      ___sys_sendmsg+0xee/0x170
[ 3278.469966][   T10]      __sys_sendmsg+0xcd/0x170
[ 3278.469966][   T10]      do_syscall_64+0xc6/0x1e0
[ 3278.469966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3278.469966][   T10] 
[ 3288.520782][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3288.521220][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.521220][   T10]      dst_init+0x84/0x4a0
[ 3288.521220][   T10]      dst_alloc+0x97/0x150
[ 3288.521220][   T10]      ip6_dst_alloc+0x23/0x90
[ 3288.521220][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3288.521220][   T10]      ip6_pol_route+0x56f/0x840
[ 3288.521220][   T10]      fib6_rule_lookup+0x456/0x630
[ 3288.521220][   T10]      ip6_route_input+0x59c/0xa50
[ 3288.521220][   T10]      ipv6_rcv+0x397/0x810
[ 3288.521220][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3288.521220][   T10]      process_backlog+0x101/0x620
[ 3288.521220][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3288.521220][   T10]      net_rx_action+0x495/0xbe0
[ 3288.521220][   T10]      __do_softirq+0x1b5/0x7f6
[ 3288.521220][   T10] 
[ 3288.522884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.522884][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3288.522884][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3288.522884][   T10]      fib6_nh_init+0xa22/0x1580
[ 3288.522884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.522884][   T10]      ip6_route_add+0x1c/0x140
[ 3288.522884][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3288.522884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.522884][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.522884][   T10]      netlink_unicast+0x449/0x710
[ 3288.522884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.522884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.522884][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.522884][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.522884][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.522884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.522884][   T10] 
[ 3288.524723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.524723][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.524723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.524723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.524723][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3288.524723][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3288.524723][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3288.524723][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3288.524723][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3288.524723][   T10]      addrconf_dad_begin+0x310/0x670
[ 3288.524723][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3288.524723][   T10]      process_one_work+0x84d/0x18a0
[ 3288.524723][   T10]      worker_thread+0x587/0xd30
[ 3288.524723][   T10]      kthread+0x28a/0x350
[ 3288.524723][   T10]      ret_from_fork+0x31/0x70
[ 3288.524723][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3288.524723][   T10] 
[ 3288.526598][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.526598][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.526598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.526598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.526598][   T10]      ip6_route_add+0x1c/0x140
[ 3288.526598][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3288.526598][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3288.526598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.526598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.526598][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.526598][   T10]      netlink_unicast+0x449/0x710
[ 3288.526598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.526598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.526598][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.526598][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.526598][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.526598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.526598][   T10] 
[ 3288.528548][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.528548][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.528548][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.528548][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.528548][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3288.528548][   T10]      ipv6_add_addr+0x411/0x2000
[ 3288.528548][   T10]      inet6_addr_add+0x30e/0xa40
[ 3288.528548][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.528548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.528548][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.528548][   T10]      netlink_unicast+0x449/0x710
[ 3288.528548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.528548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.528548][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.528548][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.528548][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.528548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.528548][   T10] 
[ 3288.530570][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.530570][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.530570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.530570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.530570][   T10]      ip6_route_add+0x1c/0x140
[ 3288.530570][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3288.530570][   T10]      addrconf_add_dev+0xe2/0x170
[ 3288.530570][   T10]      inet6_addr_add+0x12f/0xa40
[ 3288.530570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.530570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.530570][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.530570][   T10]      netlink_unicast+0x449/0x710
[ 3288.530570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.530570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.530570][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.530570][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.530570][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.530570][   T10] 
[ 3288.532543][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.532543][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3288.532543][   T10]      ipv6_find_idev+0x102/0x170
[ 3288.532543][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3288.532543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.532543][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.532543][   T10]      netlink_unicast+0x449/0x710
[ 3288.532543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.532543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.532543][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.532543][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.532543][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.532543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.532543][   T10] 
[ 3288.534104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3288.534104][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3288.534104][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3288.534104][   T10]      ipv6_find_idev+0x102/0x170
[ 3288.534104][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3288.534104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.534104][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.534104][   T10]      netlink_unicast+0x449/0x710
[ 3288.534104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.534104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.534104][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.534104][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.534104][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.534104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.534104][   T10] 
[ 3288.535822][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3288.536063][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.536063][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3288.536063][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3288.536063][   T10]      fib6_nh_init+0xa22/0x1580
[ 3288.536063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.536063][   T10]      ip6_route_add+0x1c/0x140
[ 3288.536063][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3288.536063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.536063][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.536063][   T10]      netlink_unicast+0x449/0x710
[ 3288.536063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.536063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.536063][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.536063][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.536063][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.536063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.536063][   T10] 
[ 3288.537936][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.537936][   T10]      dst_init+0x84/0x4a0
[ 3288.537936][   T10]      dst_alloc+0x97/0x150
[ 3288.537936][   T10]      ip6_dst_alloc+0x23/0x90
[ 3288.537936][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3288.537936][   T10]      ip6_pol_route+0x56f/0x840
[ 3288.537936][   T10]      fib6_rule_lookup+0x456/0x630
[ 3288.537936][   T10]      ip6_route_input+0x59c/0xa50
[ 3288.537936][   T10]      ipv6_rcv+0x397/0x810
[ 3288.537936][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3288.537936][   T10]      process_backlog+0x101/0x620
[ 3288.537936][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3288.537936][   T10]      net_rx_action+0x495/0xbe0
[ 3288.537936][   T10]      __do_softirq+0x1b5/0x7f6
[ 3288.537936][   T10] 
[ 3288.539589][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.539589][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.539589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.539589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.539589][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3288.539589][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3288.539589][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3288.539589][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3288.539589][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3288.539589][   T10]      addrconf_dad_begin+0x310/0x670
[ 3288.539589][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3288.539589][   T10]      process_one_work+0x84d/0x18a0
[ 3288.539589][   T10]      worker_thread+0x587/0xd30
[ 3288.539589][   T10]      kthread+0x28a/0x350
[ 3288.539589][   T10]      ret_from_fork+0x31/0x70
[ 3288.539589][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3288.539589][   T10] 
[ 3288.541509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.541509][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.541509][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.541509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.541509][   T10]      ip6_route_add+0x1c/0x140
[ 3288.541509][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3288.541509][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3288.541509][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.541509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.541509][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.541509][   T10]      netlink_unicast+0x449/0x710
[ 3288.541509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.541509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.541509][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.541509][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.541509][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.541509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.541509][   T10] 
[ 3288.543508][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.543508][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.543508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.543508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.543508][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3288.543508][   T10]      ipv6_add_addr+0x411/0x2000
[ 3288.543508][   T10]      inet6_addr_add+0x30e/0xa40
[ 3288.543508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.543508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.543508][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.543508][   T10]      netlink_unicast+0x449/0x710
[ 3288.543508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.543508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.543508][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.543508][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.543508][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.543508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.543508][   T10] 
[ 3288.545507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.545507][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.545507][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.545507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.545507][   T10]      ip6_route_add+0x1c/0x140
[ 3288.545507][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3288.545507][   T10]      addrconf_add_dev+0xe2/0x170
[ 3288.545507][   T10]      inet6_addr_add+0x12f/0xa40
[ 3288.545507][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.545507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.545507][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.545507][   T10]      netlink_unicast+0x449/0x710
[ 3288.545507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.545507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.545507][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.545507][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.545507][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.545507][   T10] 
[ 3288.547594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.547594][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3288.547594][   T10]      ipv6_find_idev+0x102/0x170
[ 3288.547594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3288.547594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.547594][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.547594][   T10]      netlink_unicast+0x449/0x710
[ 3288.547594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.547594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.547594][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.547594][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.547594][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.547594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.547594][   T10] 
[ 3288.549311][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3288.549311][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3288.549311][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3288.549311][   T10]      ipv6_find_idev+0x102/0x170
[ 3288.549311][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3288.549311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.549311][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.549311][   T10]      netlink_unicast+0x449/0x710
[ 3288.549311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.549311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.549311][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.549311][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.549311][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.549311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.549311][   T10] 
[ 3288.551251][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3288.551567][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3288.551567][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.551567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.551567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.551567][   T10]      ip6_route_add+0x1c/0x140
[ 3288.551567][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3288.551567][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3288.551567][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.551567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.551567][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.551567][   T10]      netlink_unicast+0x449/0x710
[ 3288.551567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.551567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.551567][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.551567][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.551567][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.551567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.551567][   T10] 
[ 3288.553746][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3288.553746][   T10]      netdev_get_by_index+0x5e/0x80
[ 3288.553746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3288.553746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3288.553746][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3288.553746][   T10]      ipv6_add_addr+0x411/0x2000
[ 3288.553746][   T10]      inet6_addr_add+0x30e/0xa40
[ 3288.553746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3288.553746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.553746][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.553746][   T10]      netlink_unicast+0x449/0x710
[ 3288.553746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.553746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.553746][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.553746][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.553746][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.553746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.553746][   T10] 
[ 3288.555915][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3288.555915][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3288.555915][   T10]      ipv6_find_idev+0x102/0x170
[ 3288.555915][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3288.555915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.555915][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.555915][   T10]      netlink_unicast+0x449/0x710
[ 3288.555915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.555915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.555915][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.555915][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.555915][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.555915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.555915][   T10] 
[ 3288.557642][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3288.557642][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3288.557642][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3288.557642][   T10]      ipv6_find_idev+0x102/0x170
[ 3288.557642][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3288.557642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3288.557642][   T10]      netlink_rcv_skb+0x130/0x360
[ 3288.557642][   T10]      netlink_unicast+0x449/0x710
[ 3288.557642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3288.557642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3288.557642][   T10]      ___sys_sendmsg+0xee/0x170
[ 3288.557642][   T10]      __sys_sendmsg+0xcd/0x170
[ 3288.557642][   T10]      do_syscall_64+0xc6/0x1e0
[ 3288.557642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3288.557642][   T10] 
[ 3298.808775][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3298.809446][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.809446][   T10]      dst_init+0x84/0x4a0
[ 3298.809446][   T10]      dst_alloc+0x97/0x150
[ 3298.809446][   T10]      ip6_dst_alloc+0x23/0x90
[ 3298.809446][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3298.809446][   T10]      ip6_pol_route+0x56f/0x840
[ 3298.809446][   T10]      fib6_rule_lookup+0x456/0x630
[ 3298.809446][   T10]      ip6_route_input+0x59c/0xa50
[ 3298.809446][   T10]      ipv6_rcv+0x397/0x810
[ 3298.809446][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3298.809446][   T10]      process_backlog+0x101/0x620
[ 3298.809446][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3298.809446][   T10]      net_rx_action+0x495/0xbe0
[ 3298.809446][   T10]      __do_softirq+0x1b5/0x7f6
[ 3298.809446][   T10] 
[ 3298.811133][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.811133][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3298.811133][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3298.811133][   T10]      fib6_nh_init+0xa22/0x1580
[ 3298.811133][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.811133][   T10]      ip6_route_add+0x1c/0x140
[ 3298.811133][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3298.811133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.811133][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.811133][   T10]      netlink_unicast+0x449/0x710
[ 3298.811133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.811133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.811133][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.811133][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.811133][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.811133][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.811133][   T10] 
[ 3298.812976][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.812976][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.812976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.812976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.812976][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3298.812976][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3298.812976][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3298.812976][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3298.812976][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3298.812976][   T10]      addrconf_dad_begin+0x310/0x670
[ 3298.812976][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3298.812976][   T10]      process_one_work+0x84d/0x18a0
[ 3298.812976][   T10]      worker_thread+0x587/0xd30
[ 3298.812976][   T10]      kthread+0x28a/0x350
[ 3298.812976][   T10]      ret_from_fork+0x31/0x70
[ 3298.812976][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3298.812976][   T10] 
[ 3298.814836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.814836][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.814836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.814836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.814836][   T10]      ip6_route_add+0x1c/0x140
[ 3298.814836][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3298.814836][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3298.814836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.814836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.814836][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.814836][   T10]      netlink_unicast+0x449/0x710
[ 3298.814836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.814836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.814836][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.814836][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.814836][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.814836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.814836][   T10] 
[ 3298.816900][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.816900][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.816900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.816900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.816900][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3298.816900][   T10]      ipv6_add_addr+0x411/0x2000
[ 3298.816900][   T10]      inet6_addr_add+0x30e/0xa40
[ 3298.816900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.816900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.816900][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.816900][   T10]      netlink_unicast+0x449/0x710
[ 3298.816900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.816900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.816900][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.816900][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.816900][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.816900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.816900][   T10] 
[ 3298.818893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.818893][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.818893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.818893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.818893][   T10]      ip6_route_add+0x1c/0x140
[ 3298.818893][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3298.818893][   T10]      addrconf_add_dev+0xe2/0x170
[ 3298.818893][   T10]      inet6_addr_add+0x12f/0xa40
[ 3298.818893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.818893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.818893][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.818893][   T10]      netlink_unicast+0x449/0x710
[ 3298.818893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.818893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.818893][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.818893][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.818893][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.818893][   T10] 
[ 3298.820803][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.820803][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3298.820803][   T10]      ipv6_find_idev+0x102/0x170
[ 3298.820803][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3298.820803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.820803][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.820803][   T10]      netlink_unicast+0x449/0x710
[ 3298.820803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.820803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.820803][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.820803][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.820803][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.820803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.820803][   T10] 
[ 3298.822325][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3298.822325][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3298.822325][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3298.822325][   T10]      ipv6_find_idev+0x102/0x170
[ 3298.822325][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3298.822325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.822325][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.822325][   T10]      netlink_unicast+0x449/0x710
[ 3298.822325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.822325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.822325][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.822325][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.822325][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.822325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.822325][   T10] 
[ 3298.824019][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3298.824277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.824277][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3298.824277][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3298.824277][   T10]      fib6_nh_init+0xa22/0x1580
[ 3298.824277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.824277][   T10]      ip6_route_add+0x1c/0x140
[ 3298.824277][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3298.824277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.824277][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.824277][   T10]      netlink_unicast+0x449/0x710
[ 3298.824277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.824277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.824277][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.824277][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.824277][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.824277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.824277][   T10] 
[ 3298.826164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.826164][   T10]      dst_init+0x84/0x4a0
[ 3298.826164][   T10]      dst_alloc+0x97/0x150
[ 3298.826164][   T10]      ip6_dst_alloc+0x23/0x90
[ 3298.826164][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3298.826164][   T10]      ip6_pol_route+0x56f/0x840
[ 3298.826164][   T10]      fib6_rule_lookup+0x456/0x630
[ 3298.826164][   T10]      ip6_route_input+0x59c/0xa50
[ 3298.826164][   T10]      ipv6_rcv+0x397/0x810
[ 3298.826164][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3298.826164][   T10]      process_backlog+0x101/0x620
[ 3298.826164][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3298.826164][   T10]      net_rx_action+0x495/0xbe0
[ 3298.826164][   T10]      __do_softirq+0x1b5/0x7f6
[ 3298.826164][   T10] 
[ 3298.827806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.827806][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.827806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.827806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.827806][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3298.827806][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3298.827806][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3298.827806][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3298.827806][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3298.827806][   T10]      addrconf_dad_begin+0x310/0x670
[ 3298.827806][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3298.827806][   T10]      process_one_work+0x84d/0x18a0
[ 3298.827806][   T10]      worker_thread+0x587/0xd30
[ 3298.827806][   T10]      kthread+0x28a/0x350
[ 3298.827806][   T10]      ret_from_fork+0x31/0x70
[ 3298.827806][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3298.827806][   T10] 
[ 3298.829658][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.829658][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.829658][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.829658][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.829658][   T10]      ip6_route_add+0x1c/0x140
[ 3298.829658][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3298.829658][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3298.829658][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.829658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.829658][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.829658][   T10]      netlink_unicast+0x449/0x710
[ 3298.829658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.829658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.829658][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.829658][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.829658][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.829658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.829658][   T10] 
[ 3298.831663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.831663][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.831663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.831663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.831663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3298.831663][   T10]      ipv6_add_addr+0x411/0x2000
[ 3298.831663][   T10]      inet6_addr_add+0x30e/0xa40
[ 3298.831663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.831663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.831663][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.831663][   T10]      netlink_unicast+0x449/0x710
[ 3298.831663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.831663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.831663][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.831663][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.831663][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.831663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.831663][   T10] 
[ 3298.833612][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.833612][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.833612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.833612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.833612][   T10]      ip6_route_add+0x1c/0x140
[ 3298.833612][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3298.833612][   T10]      addrconf_add_dev+0xe2/0x170
[ 3298.833612][   T10]      inet6_addr_add+0x12f/0xa40
[ 3298.833612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.833612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.833612][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.833612][   T10]      netlink_unicast+0x449/0x710
[ 3298.833612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.833612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.833612][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.833612][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.833612][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.833612][   T10] 
[ 3298.835690][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.835690][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3298.835690][   T10]      ipv6_find_idev+0x102/0x170
[ 3298.835690][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3298.835690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.835690][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.835690][   T10]      netlink_unicast+0x449/0x710
[ 3298.835690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.835690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.835690][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.835690][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.835690][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.835690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.835690][   T10] 
[ 3298.837462][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3298.837462][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3298.837462][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3298.837462][   T10]      ipv6_find_idev+0x102/0x170
[ 3298.837462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3298.837462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.837462][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.837462][   T10]      netlink_unicast+0x449/0x710
[ 3298.837462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.837462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.837462][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.837462][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.837462][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.837462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.837462][   T10] 
[ 3298.839326][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3298.839655][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3298.839655][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.839655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.839655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.839655][   T10]      ip6_route_add+0x1c/0x140
[ 3298.839655][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3298.839655][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3298.839655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.839655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.839655][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.839655][   T10]      netlink_unicast+0x449/0x710
[ 3298.839655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.839655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.839655][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.839655][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.839655][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.839655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.839655][   T10] 
[ 3298.841774][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3298.841774][   T10]      netdev_get_by_index+0x5e/0x80
[ 3298.841774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3298.841774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3298.841774][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3298.841774][   T10]      ipv6_add_addr+0x411/0x2000
[ 3298.841774][   T10]      inet6_addr_add+0x30e/0xa40
[ 3298.841774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3298.841774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.841774][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.841774][   T10]      netlink_unicast+0x449/0x710
[ 3298.841774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.841774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.841774][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.841774][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.841774][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.841774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.841774][   T10] 
[ 3298.843951][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3298.843951][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3298.843951][   T10]      ipv6_find_idev+0x102/0x170
[ 3298.843951][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3298.843951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.843951][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.843951][   T10]      netlink_unicast+0x449/0x710
[ 3298.843951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.843951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.843951][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.843951][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.843951][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.843951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.843951][   T10] 
[ 3298.845676][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3298.845676][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3298.845676][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3298.845676][   T10]      ipv6_find_idev+0x102/0x170
[ 3298.845676][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3298.845676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3298.845676][   T10]      netlink_rcv_skb+0x130/0x360
[ 3298.845676][   T10]      netlink_unicast+0x449/0x710
[ 3298.845676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3298.845676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3298.845676][   T10]      ___sys_sendmsg+0xee/0x170
[ 3298.845676][   T10]      __sys_sendmsg+0xcd/0x170
[ 3298.845676][   T10]      do_syscall_64+0xc6/0x1e0
[ 3298.845676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3298.845676][   T10] 
[ 3309.096775][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3309.097288][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.097288][   T10]      dst_init+0x84/0x4a0
[ 3309.097288][   T10]      dst_alloc+0x97/0x150
[ 3309.097288][   T10]      ip6_dst_alloc+0x23/0x90
[ 3309.097288][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3309.097288][   T10]      ip6_pol_route+0x56f/0x840
[ 3309.097288][   T10]      fib6_rule_lookup+0x456/0x630
[ 3309.097288][   T10]      ip6_route_input+0x59c/0xa50
[ 3309.097288][   T10]      ipv6_rcv+0x397/0x810
[ 3309.097288][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3309.097288][   T10]      process_backlog+0x101/0x620
[ 3309.097288][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3309.097288][   T10]      net_rx_action+0x495/0xbe0
[ 3309.097288][   T10]      __do_softirq+0x1b5/0x7f6
[ 3309.097288][   T10] 
[ 3309.098955][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.098955][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3309.098955][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3309.098955][   T10]      fib6_nh_init+0xa22/0x1580
[ 3309.098955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.098955][   T10]      ip6_route_add+0x1c/0x140
[ 3309.098955][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3309.098955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.098955][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.098955][   T10]      netlink_unicast+0x449/0x710
[ 3309.098955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.098955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.098955][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.098955][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.098955][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.098955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.098955][   T10] 
[ 3309.100885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.100885][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.100885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.100885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.100885][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3309.100885][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3309.100885][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3309.100885][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3309.100885][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3309.100885][   T10]      addrconf_dad_begin+0x310/0x670
[ 3309.100885][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3309.100885][   T10]      process_one_work+0x84d/0x18a0
[ 3309.100885][   T10]      worker_thread+0x587/0xd30
[ 3309.100885][   T10]      kthread+0x28a/0x350
[ 3309.100885][   T10]      ret_from_fork+0x31/0x70
[ 3309.100885][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3309.100885][   T10] 
[ 3309.102752][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.102752][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.102752][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.102752][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.102752][   T10]      ip6_route_add+0x1c/0x140
[ 3309.102752][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3309.102752][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3309.102752][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.102752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.102752][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.102752][   T10]      netlink_unicast+0x449/0x710
[ 3309.102752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.102752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.102752][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.102752][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.102752][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.102752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.102752][   T10] 
[ 3309.104710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.104710][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.104710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.104710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.104710][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3309.104710][   T10]      ipv6_add_addr+0x411/0x2000
[ 3309.104710][   T10]      inet6_addr_add+0x30e/0xa40
[ 3309.104710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.104710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.104710][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.104710][   T10]      netlink_unicast+0x449/0x710
[ 3309.104710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.104710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.104710][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.104710][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.104710][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.104710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.104710][   T10] 
[ 3309.107183][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.107183][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.107183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.107183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.107183][   T10]      ip6_route_add+0x1c/0x140
[ 3309.107183][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3309.107183][   T10]      addrconf_add_dev+0xe2/0x170
[ 3309.107183][   T10]      inet6_addr_add+0x12f/0xa40
[ 3309.107183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.107183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.107183][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.107183][   T10]      netlink_unicast+0x449/0x710
[ 3309.107183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.107183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.107183][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.107183][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.107183][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.107183][   T10] 
[ 3309.109099][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.109099][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3309.109099][   T10]      ipv6_find_idev+0x102/0x170
[ 3309.109099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3309.109099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.109099][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.109099][   T10]      netlink_unicast+0x449/0x710
[ 3309.109099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.109099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.109099][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.109099][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.109099][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.109099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.109099][   T10] 
[ 3309.110600][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3309.110600][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3309.110600][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3309.110600][   T10]      ipv6_find_idev+0x102/0x170
[ 3309.110600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3309.110600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.110600][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.110600][   T10]      netlink_unicast+0x449/0x710
[ 3309.110600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.110600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.110600][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.110600][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.110600][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.110600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.110600][   T10] 
[ 3309.112363][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3309.112614][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.112614][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3309.112614][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3309.112614][   T10]      fib6_nh_init+0xa22/0x1580
[ 3309.112614][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.112614][   T10]      ip6_route_add+0x1c/0x140
[ 3309.112614][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3309.112614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.112614][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.112614][   T10]      netlink_unicast+0x449/0x710
[ 3309.112614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.112614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.112614][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.112614][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.112614][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.112614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.112614][   T10] 
[ 3309.114512][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.114512][   T10]      dst_init+0x84/0x4a0
[ 3309.114512][   T10]      dst_alloc+0x97/0x150
[ 3309.114512][   T10]      ip6_dst_alloc+0x23/0x90
[ 3309.114512][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3309.114512][   T10]      ip6_pol_route+0x56f/0x840
[ 3309.114512][   T10]      fib6_rule_lookup+0x456/0x630
[ 3309.114512][   T10]      ip6_route_input+0x59c/0xa50
[ 3309.114512][   T10]      ipv6_rcv+0x397/0x810
[ 3309.114512][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3309.114512][   T10]      process_backlog+0x101/0x620
[ 3309.114512][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3309.114512][   T10]      net_rx_action+0x495/0xbe0
[ 3309.114512][   T10]      __do_softirq+0x1b5/0x7f6
[ 3309.114512][   T10] 
[ 3309.116134][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.116134][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.116134][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.116134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.116134][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3309.116134][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3309.116134][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3309.116134][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3309.116134][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3309.116134][   T10]      addrconf_dad_begin+0x310/0x670
[ 3309.116134][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3309.116134][   T10]      process_one_work+0x84d/0x18a0
[ 3309.116134][   T10]      worker_thread+0x587/0xd30
[ 3309.116134][   T10]      kthread+0x28a/0x350
[ 3309.116134][   T10]      ret_from_fork+0x31/0x70
[ 3309.116134][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3309.116134][   T10] 
[ 3309.118023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.118023][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.118023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.118023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.118023][   T10]      ip6_route_add+0x1c/0x140
[ 3309.118023][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3309.118023][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3309.118023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.118023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.118023][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.118023][   T10]      netlink_unicast+0x449/0x710
[ 3309.118023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.118023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.118023][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.118023][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.118023][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.118023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.118023][   T10] 
[ 3309.120018][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.120018][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.120018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.120018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.120018][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3309.120018][   T10]      ipv6_add_addr+0x411/0x2000
[ 3309.120018][   T10]      inet6_addr_add+0x30e/0xa40
[ 3309.120018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.120018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.120018][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.120018][   T10]      netlink_unicast+0x449/0x710
[ 3309.120018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.120018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.120018][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.120018][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.120018][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.120018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.120018][   T10] 
[ 3309.122018][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.122018][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.122018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.122018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.122018][   T10]      ip6_route_add+0x1c/0x140
[ 3309.122018][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3309.122018][   T10]      addrconf_add_dev+0xe2/0x170
[ 3309.122018][   T10]      inet6_addr_add+0x12f/0xa40
[ 3309.122018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.122018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.122018][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.122018][   T10]      netlink_unicast+0x449/0x710
[ 3309.122018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.122018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.122018][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.122018][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.122018][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.122018][   T10] 
[ 3309.124102][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.124102][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3309.124102][   T10]      ipv6_find_idev+0x102/0x170
[ 3309.124102][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3309.124102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.124102][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.124102][   T10]      netlink_unicast+0x449/0x710
[ 3309.124102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.124102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.124102][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.124102][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.124102][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.124102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.124102][   T10] 
[ 3309.126206][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3309.126206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3309.126206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3309.126206][   T10]      ipv6_find_idev+0x102/0x170
[ 3309.126206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3309.126206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.126206][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.126206][   T10]      netlink_unicast+0x449/0x710
[ 3309.126206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.126206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.126206][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.126206][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.126206][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.126206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.126206][   T10] 
[ 3309.128136][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3309.128451][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3309.128451][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.128451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.128451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.128451][   T10]      ip6_route_add+0x1c/0x140
[ 3309.128451][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3309.128451][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3309.128451][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.128451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.128451][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.128451][   T10]      netlink_unicast+0x449/0x710
[ 3309.128451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.128451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.128451][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.128451][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.128451][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.128451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.128451][   T10] 
[ 3309.130654][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3309.130654][   T10]      netdev_get_by_index+0x5e/0x80
[ 3309.130654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3309.130654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3309.130654][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3309.130654][   T10]      ipv6_add_addr+0x411/0x2000
[ 3309.130654][   T10]      inet6_addr_add+0x30e/0xa40
[ 3309.130654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3309.130654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.130654][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.130654][   T10]      netlink_unicast+0x449/0x710
[ 3309.130654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.130654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.130654][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.130654][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.130654][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.130654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.130654][   T10] 
[ 3309.132825][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3309.132825][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3309.132825][   T10]      ipv6_find_idev+0x102/0x170
[ 3309.132825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3309.132825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.132825][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.132825][   T10]      netlink_unicast+0x449/0x710
[ 3309.132825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.132825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.132825][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.132825][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.132825][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.132825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.132825][   T10] 
[ 3309.134552][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3309.134552][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3309.134552][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3309.134552][   T10]      ipv6_find_idev+0x102/0x170
[ 3309.134552][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3309.134552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3309.134552][   T10]      netlink_rcv_skb+0x130/0x360
[ 3309.134552][   T10]      netlink_unicast+0x449/0x710
[ 3309.134552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3309.134552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3309.134552][   T10]      ___sys_sendmsg+0xee/0x170
[ 3309.134552][   T10]      __sys_sendmsg+0xcd/0x170
[ 3309.134552][   T10]      do_syscall_64+0xc6/0x1e0
[ 3309.134552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3309.134552][   T10] 
[ 3319.384785][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3319.385283][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.385283][   T10]      dst_init+0x84/0x4a0
[ 3319.385283][   T10]      dst_alloc+0x97/0x150
[ 3319.385283][   T10]      ip6_dst_alloc+0x23/0x90
[ 3319.385283][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3319.385283][   T10]      ip6_pol_route+0x56f/0x840
[ 3319.385283][   T10]      fib6_rule_lookup+0x456/0x630
[ 3319.385283][   T10]      ip6_route_input+0x59c/0xa50
[ 3319.385283][   T10]      ipv6_rcv+0x397/0x810
[ 3319.385283][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3319.385283][   T10]      process_backlog+0x101/0x620
[ 3319.385283][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3319.385283][   T10]      net_rx_action+0x495/0xbe0
[ 3319.385283][   T10]      __do_softirq+0x1b5/0x7f6
[ 3319.385283][   T10] 
[ 3319.386956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.386956][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3319.386956][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3319.386956][   T10]      fib6_nh_init+0xa22/0x1580
[ 3319.386956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.386956][   T10]      ip6_route_add+0x1c/0x140
[ 3319.386956][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3319.386956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.386956][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.386956][   T10]      netlink_unicast+0x449/0x710
[ 3319.386956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.386956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.386956][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.386956][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.386956][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.386956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.386956][   T10] 
[ 3319.388867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.388867][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.388867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.388867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.388867][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3319.388867][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3319.388867][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3319.388867][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3319.388867][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3319.388867][   T10]      addrconf_dad_begin+0x310/0x670
[ 3319.388867][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3319.388867][   T10]      process_one_work+0x84d/0x18a0
[ 3319.388867][   T10]      worker_thread+0x587/0xd30
[ 3319.388867][   T10]      kthread+0x28a/0x350
[ 3319.388867][   T10]      ret_from_fork+0x31/0x70
[ 3319.388867][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3319.388867][   T10] 
[ 3319.390741][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.390741][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.390741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.390741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.390741][   T10]      ip6_route_add+0x1c/0x140
[ 3319.390741][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3319.390741][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3319.390741][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.390741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.390741][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.390741][   T10]      netlink_unicast+0x449/0x710
[ 3319.390741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.390741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.390741][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.390741][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.390741][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.390741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.390741][   T10] 
[ 3319.392888][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.392888][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.392888][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.392888][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.392888][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3319.392888][   T10]      ipv6_add_addr+0x411/0x2000
[ 3319.392888][   T10]      inet6_addr_add+0x30e/0xa40
[ 3319.392888][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.392888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.392888][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.392888][   T10]      netlink_unicast+0x449/0x710
[ 3319.392888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.392888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.392888][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.392888][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.392888][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.392888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.392888][   T10] 
[ 3319.394894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.394894][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.394894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.394894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.394894][   T10]      ip6_route_add+0x1c/0x140
[ 3319.394894][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3319.394894][   T10]      addrconf_add_dev+0xe2/0x170
[ 3319.394894][   T10]      inet6_addr_add+0x12f/0xa40
[ 3319.394894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.394894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.394894][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.394894][   T10]      netlink_unicast+0x449/0x710
[ 3319.394894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.394894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.394894][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.394894][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.394894][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.394894][   T10] 
[ 3319.396872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.396872][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3319.396872][   T10]      ipv6_find_idev+0x102/0x170
[ 3319.396872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3319.396872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.396872][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.396872][   T10]      netlink_unicast+0x449/0x710
[ 3319.396872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.396872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.396872][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.396872][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.396872][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.396872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.396872][   T10] 
[ 3319.398372][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3319.398372][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3319.398372][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3319.398372][   T10]      ipv6_find_idev+0x102/0x170
[ 3319.398372][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3319.398372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.398372][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.398372][   T10]      netlink_unicast+0x449/0x710
[ 3319.398372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.398372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.398372][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.398372][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.398372][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.398372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.398372][   T10] 
[ 3319.400094][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3319.400357][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.400357][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3319.400357][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3319.400357][   T10]      fib6_nh_init+0xa22/0x1580
[ 3319.400357][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.400357][   T10]      ip6_route_add+0x1c/0x140
[ 3319.400357][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3319.400357][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.400357][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.400357][   T10]      netlink_unicast+0x449/0x710
[ 3319.400357][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.400357][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.400357][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.400357][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.400357][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.400357][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.400357][   T10] 
[ 3319.402267][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.402267][   T10]      dst_init+0x84/0x4a0
[ 3319.402267][   T10]      dst_alloc+0x97/0x150
[ 3319.402267][   T10]      ip6_dst_alloc+0x23/0x90
[ 3319.402267][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3319.402267][   T10]      ip6_pol_route+0x56f/0x840
[ 3319.402267][   T10]      fib6_rule_lookup+0x456/0x630
[ 3319.402267][   T10]      ip6_route_input+0x59c/0xa50
[ 3319.402267][   T10]      ipv6_rcv+0x397/0x810
[ 3319.402267][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3319.402267][   T10]      process_backlog+0x101/0x620
[ 3319.402267][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3319.402267][   T10]      net_rx_action+0x495/0xbe0
[ 3319.402267][   T10]      __do_softirq+0x1b5/0x7f6
[ 3319.402267][   T10] 
[ 3319.403900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.403900][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.403900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.403900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.403900][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3319.403900][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3319.403900][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3319.403900][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3319.403900][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3319.403900][   T10]      addrconf_dad_begin+0x310/0x670
[ 3319.403900][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3319.403900][   T10]      process_one_work+0x84d/0x18a0
[ 3319.403900][   T10]      worker_thread+0x587/0xd30
[ 3319.403900][   T10]      kthread+0x28a/0x350
[ 3319.403900][   T10]      ret_from_fork+0x31/0x70
[ 3319.403900][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3319.403900][   T10] 
[ 3319.405813][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.405813][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.405813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.405813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.405813][   T10]      ip6_route_add+0x1c/0x140
[ 3319.405813][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3319.405813][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3319.405813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.405813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.405813][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.405813][   T10]      netlink_unicast+0x449/0x710
[ 3319.405813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.405813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.405813][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.405813][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.405813][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.405813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.405813][   T10] 
[ 3319.407819][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.407819][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.407819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.407819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.407819][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3319.407819][   T10]      ipv6_add_addr+0x411/0x2000
[ 3319.407819][   T10]      inet6_addr_add+0x30e/0xa40
[ 3319.407819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.407819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.407819][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.407819][   T10]      netlink_unicast+0x449/0x710
[ 3319.407819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.407819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.407819][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.407819][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.407819][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.407819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.407819][   T10] 
[ 3319.409820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.409820][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.409820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.409820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.409820][   T10]      ip6_route_add+0x1c/0x140
[ 3319.409820][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3319.409820][   T10]      addrconf_add_dev+0xe2/0x170
[ 3319.409820][   T10]      inet6_addr_add+0x12f/0xa40
[ 3319.409820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.409820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.409820][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.409820][   T10]      netlink_unicast+0x449/0x710
[ 3319.409820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.409820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.409820][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.409820][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.409820][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.409820][   T10] 
[ 3319.411959][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.411959][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3319.411959][   T10]      ipv6_find_idev+0x102/0x170
[ 3319.411959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3319.411959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.411959][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.411959][   T10]      netlink_unicast+0x449/0x710
[ 3319.411959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.411959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.411959][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.411959][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.411959][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.411959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.411959][   T10] 
[ 3319.413748][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3319.413748][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3319.413748][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3319.413748][   T10]      ipv6_find_idev+0x102/0x170
[ 3319.413748][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3319.413748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.413748][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.413748][   T10]      netlink_unicast+0x449/0x710
[ 3319.413748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.413748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.413748][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.413748][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.413748][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.413748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.413748][   T10] 
[ 3319.415632][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3319.415954][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3319.415954][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.415954][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.415954][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.415954][   T10]      ip6_route_add+0x1c/0x140
[ 3319.415954][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3319.415954][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3319.415954][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.415954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.415954][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.415954][   T10]      netlink_unicast+0x449/0x710
[ 3319.415954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.415954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.415954][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.415954][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.415954][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.415954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.415954][   T10] 
[ 3319.418127][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3319.418127][   T10]      netdev_get_by_index+0x5e/0x80
[ 3319.418127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3319.418127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3319.418127][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3319.418127][   T10]      ipv6_add_addr+0x411/0x2000
[ 3319.418127][   T10]      inet6_addr_add+0x30e/0xa40
[ 3319.418127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3319.418127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.418127][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.418127][   T10]      netlink_unicast+0x449/0x710
[ 3319.418127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.418127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.418127][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.418127][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.418127][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.418127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.418127][   T10] 
[ 3319.420340][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3319.420340][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3319.420340][   T10]      ipv6_find_idev+0x102/0x170
[ 3319.420340][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3319.420340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.420340][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.420340][   T10]      netlink_unicast+0x449/0x710
[ 3319.420340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.420340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.420340][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.420340][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.420340][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.420340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.420340][   T10] 
[ 3319.422066][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3319.422066][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3319.422066][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3319.422066][   T10]      ipv6_find_idev+0x102/0x170
[ 3319.422066][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3319.422066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3319.422066][   T10]      netlink_rcv_skb+0x130/0x360
[ 3319.422066][   T10]      netlink_unicast+0x449/0x710
[ 3319.422066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3319.422066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3319.422066][   T10]      ___sys_sendmsg+0xee/0x170
[ 3319.422066][   T10]      __sys_sendmsg+0xcd/0x170
[ 3319.422066][   T10]      do_syscall_64+0xc6/0x1e0
[ 3319.422066][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3319.422066][   T10] 
[ 3329.672767][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3329.673459][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.673459][   T10]      dst_init+0x84/0x4a0
[ 3329.673459][   T10]      dst_alloc+0x97/0x150
[ 3329.673459][   T10]      ip6_dst_alloc+0x23/0x90
[ 3329.673459][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3329.673459][   T10]      ip6_pol_route+0x56f/0x840
[ 3329.673459][   T10]      fib6_rule_lookup+0x456/0x630
[ 3329.673459][   T10]      ip6_route_input+0x59c/0xa50
[ 3329.673459][   T10]      ipv6_rcv+0x397/0x810
[ 3329.673459][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3329.673459][   T10]      process_backlog+0x101/0x620
[ 3329.673459][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3329.673459][   T10]      net_rx_action+0x495/0xbe0
[ 3329.673459][   T10]      __do_softirq+0x1b5/0x7f6
[ 3329.673459][   T10] 
[ 3329.675105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.675105][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3329.675105][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3329.675105][   T10]      fib6_nh_init+0xa22/0x1580
[ 3329.675105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.675105][   T10]      ip6_route_add+0x1c/0x140
[ 3329.675105][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3329.675105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.675105][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.675105][   T10]      netlink_unicast+0x449/0x710
[ 3329.675105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.675105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.675105][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.675105][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.675105][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.675105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.675105][   T10] 
[ 3329.676965][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.676965][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.676965][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.676965][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.676965][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3329.676965][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3329.676965][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3329.676965][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3329.676965][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3329.676965][   T10]      addrconf_dad_begin+0x310/0x670
[ 3329.676965][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3329.676965][   T10]      process_one_work+0x84d/0x18a0
[ 3329.676965][   T10]      worker_thread+0x587/0xd30
[ 3329.676965][   T10]      kthread+0x28a/0x350
[ 3329.676965][   T10]      ret_from_fork+0x31/0x70
[ 3329.676965][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3329.676965][   T10] 
[ 3329.678827][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.678827][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.678827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.678827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.678827][   T10]      ip6_route_add+0x1c/0x140
[ 3329.678827][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3329.678827][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3329.678827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.678827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.678827][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.678827][   T10]      netlink_unicast+0x449/0x710
[ 3329.678827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.678827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.678827][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.678827][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.678827][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.678827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.678827][   T10] 
[ 3329.680842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.680842][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.680842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.680842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.680842][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3329.680842][   T10]      ipv6_add_addr+0x411/0x2000
[ 3329.680842][   T10]      inet6_addr_add+0x30e/0xa40
[ 3329.680842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.680842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.680842][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.680842][   T10]      netlink_unicast+0x449/0x710
[ 3329.680842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.680842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.680842][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.680842][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.680842][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.680842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.680842][   T10] 
[ 3329.682804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.682804][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.682804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.682804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.682804][   T10]      ip6_route_add+0x1c/0x140
[ 3329.682804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3329.682804][   T10]      addrconf_add_dev+0xe2/0x170
[ 3329.682804][   T10]      inet6_addr_add+0x12f/0xa40
[ 3329.682804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.682804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.682804][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.682804][   T10]      netlink_unicast+0x449/0x710
[ 3329.682804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.682804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.682804][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.682804][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.682804][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.682804][   T10] 
[ 3329.684781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.684781][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3329.684781][   T10]      ipv6_find_idev+0x102/0x170
[ 3329.684781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3329.684781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.684781][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.684781][   T10]      netlink_unicast+0x449/0x710
[ 3329.684781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.684781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.684781][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.684781][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.684781][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.684781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.684781][   T10] 
[ 3329.686295][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3329.686295][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3329.686295][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3329.686295][   T10]      ipv6_find_idev+0x102/0x170
[ 3329.686295][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3329.686295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.686295][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.686295][   T10]      netlink_unicast+0x449/0x710
[ 3329.686295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.686295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.686295][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.686295][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.686295][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.686295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.686295][   T10] 
[ 3329.687950][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3329.688185][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.688185][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3329.688185][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3329.688185][   T10]      fib6_nh_init+0xa22/0x1580
[ 3329.688185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.688185][   T10]      ip6_route_add+0x1c/0x140
[ 3329.688185][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3329.688185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.688185][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.688185][   T10]      netlink_unicast+0x449/0x710
[ 3329.688185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.688185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.688185][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.688185][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.688185][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.688185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.688185][   T10] 
[ 3329.690023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.690023][   T10]      dst_init+0x84/0x4a0
[ 3329.690023][   T10]      dst_alloc+0x97/0x150
[ 3329.690023][   T10]      ip6_dst_alloc+0x23/0x90
[ 3329.690023][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3329.690023][   T10]      ip6_pol_route+0x56f/0x840
[ 3329.690023][   T10]      fib6_rule_lookup+0x456/0x630
[ 3329.690023][   T10]      ip6_route_input+0x59c/0xa50
[ 3329.690023][   T10]      ipv6_rcv+0x397/0x810
[ 3329.690023][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3329.690023][   T10]      process_backlog+0x101/0x620
[ 3329.690023][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3329.690023][   T10]      net_rx_action+0x495/0xbe0
[ 3329.690023][   T10]      __do_softirq+0x1b5/0x7f6
[ 3329.690023][   T10] 
[ 3329.691636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.691636][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.691636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.691636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.691636][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3329.691636][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3329.691636][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3329.691636][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3329.691636][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3329.691636][   T10]      addrconf_dad_begin+0x310/0x670
[ 3329.691636][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3329.691636][   T10]      process_one_work+0x84d/0x18a0
[ 3329.691636][   T10]      worker_thread+0x587/0xd30
[ 3329.691636][   T10]      kthread+0x28a/0x350
[ 3329.691636][   T10]      ret_from_fork+0x31/0x70
[ 3329.691636][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3329.691636][   T10] 
[ 3329.693566][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.693566][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.693566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.693566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.693566][   T10]      ip6_route_add+0x1c/0x140
[ 3329.693566][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3329.693566][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3329.693566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.693566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.693566][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.693566][   T10]      netlink_unicast+0x449/0x710
[ 3329.693566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.693566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.693566][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.693566][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.693566][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.693566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.693566][   T10] 
[ 3329.695580][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.695580][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.695580][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.695580][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.695580][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3329.695580][   T10]      ipv6_add_addr+0x411/0x2000
[ 3329.695580][   T10]      inet6_addr_add+0x30e/0xa40
[ 3329.695580][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.695580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.695580][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.695580][   T10]      netlink_unicast+0x449/0x710
[ 3329.695580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.695580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.695580][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.695580][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.695580][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.695580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.695580][   T10] 
[ 3329.697586][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.697586][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.697586][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.697586][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.697586][   T10]      ip6_route_add+0x1c/0x140
[ 3329.697586][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3329.697586][   T10]      addrconf_add_dev+0xe2/0x170
[ 3329.697586][   T10]      inet6_addr_add+0x12f/0xa40
[ 3329.697586][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.697586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.697586][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.697586][   T10]      netlink_unicast+0x449/0x710
[ 3329.697586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.697586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.697586][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.697586][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.697586][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.697586][   T10] 
[ 3329.699673][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.699673][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3329.699673][   T10]      ipv6_find_idev+0x102/0x170
[ 3329.699673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3329.699673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.699673][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.699673][   T10]      netlink_unicast+0x449/0x710
[ 3329.699673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.699673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.699673][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.699673][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.699673][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.699673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.699673][   T10] 
[ 3329.701403][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3329.701403][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3329.701403][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3329.701403][   T10]      ipv6_find_idev+0x102/0x170
[ 3329.701403][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3329.701403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.701403][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.701403][   T10]      netlink_unicast+0x449/0x710
[ 3329.701403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.701403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.701403][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.701403][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.701403][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.701403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.701403][   T10] 
[ 3329.703364][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3329.703684][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3329.703684][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.703684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.703684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.703684][   T10]      ip6_route_add+0x1c/0x140
[ 3329.703684][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3329.703684][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3329.703684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.703684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.703684][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.703684][   T10]      netlink_unicast+0x449/0x710
[ 3329.703684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.703684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.703684][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.703684][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.703684][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.703684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.703684][   T10] 
[ 3329.705872][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3329.705872][   T10]      netdev_get_by_index+0x5e/0x80
[ 3329.705872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3329.705872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3329.705872][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3329.705872][   T10]      ipv6_add_addr+0x411/0x2000
[ 3329.705872][   T10]      inet6_addr_add+0x30e/0xa40
[ 3329.705872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3329.705872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.705872][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.705872][   T10]      netlink_unicast+0x449/0x710
[ 3329.705872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.705872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.705872][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.705872][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.705872][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.705872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.705872][   T10] 
[ 3329.708039][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3329.708039][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3329.708039][   T10]      ipv6_find_idev+0x102/0x170
[ 3329.708039][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3329.708039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.708039][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.708039][   T10]      netlink_unicast+0x449/0x710
[ 3329.708039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.708039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.708039][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.708039][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.708039][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.708039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.708039][   T10] 
[ 3329.709732][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3329.709732][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3329.709732][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3329.709732][   T10]      ipv6_find_idev+0x102/0x170
[ 3329.709732][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3329.709732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3329.709732][   T10]      netlink_rcv_skb+0x130/0x360
[ 3329.709732][   T10]      netlink_unicast+0x449/0x710
[ 3329.709732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3329.709732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3329.709732][   T10]      ___sys_sendmsg+0xee/0x170
[ 3329.709732][   T10]      __sys_sendmsg+0xcd/0x170
[ 3329.709732][   T10]      do_syscall_64+0xc6/0x1e0
[ 3329.709732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3329.709732][   T10] 
[ 3339.824782][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3339.825346][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.825346][   T10]      dst_init+0x84/0x4a0
[ 3339.825346][   T10]      dst_alloc+0x97/0x150
[ 3339.825346][   T10]      ip6_dst_alloc+0x23/0x90
[ 3339.825346][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3339.825346][   T10]      ip6_pol_route+0x56f/0x840
[ 3339.825346][   T10]      fib6_rule_lookup+0x456/0x630
[ 3339.825346][   T10]      ip6_route_input+0x59c/0xa50
[ 3339.825346][   T10]      ipv6_rcv+0x397/0x810
[ 3339.825346][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3339.825346][   T10]      process_backlog+0x101/0x620
[ 3339.825346][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3339.825346][   T10]      net_rx_action+0x495/0xbe0
[ 3339.825346][   T10]      __do_softirq+0x1b5/0x7f6
[ 3339.825346][   T10] 
[ 3339.826992][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.826992][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3339.826992][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3339.826992][   T10]      fib6_nh_init+0xa22/0x1580
[ 3339.826992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.826992][   T10]      ip6_route_add+0x1c/0x140
[ 3339.826992][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3339.826992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.826992][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.826992][   T10]      netlink_unicast+0x449/0x710
[ 3339.826992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.826992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.826992][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.826992][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.826992][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.826992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.826992][   T10] 
[ 3339.828849][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.828849][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.828849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.828849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.828849][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3339.828849][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3339.828849][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3339.828849][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3339.828849][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3339.828849][   T10]      addrconf_dad_begin+0x310/0x670
[ 3339.828849][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3339.828849][   T10]      process_one_work+0x84d/0x18a0
[ 3339.828849][   T10]      worker_thread+0x587/0xd30
[ 3339.828849][   T10]      kthread+0x28a/0x350
[ 3339.828849][   T10]      ret_from_fork+0x31/0x70
[ 3339.828849][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3339.828849][   T10] 
[ 3339.830761][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.830761][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.830761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.830761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.830761][   T10]      ip6_route_add+0x1c/0x140
[ 3339.830761][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3339.830761][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3339.830761][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.830761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.830761][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.830761][   T10]      netlink_unicast+0x449/0x710
[ 3339.830761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.830761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.830761][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.830761][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.830761][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.830761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.830761][   T10] 
[ 3339.832794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.832794][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.832794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.832794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.832794][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3339.832794][   T10]      ipv6_add_addr+0x411/0x2000
[ 3339.832794][   T10]      inet6_addr_add+0x30e/0xa40
[ 3339.832794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.832794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.832794][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.832794][   T10]      netlink_unicast+0x449/0x710
[ 3339.832794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.832794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.832794][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.832794][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.832794][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.832794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.832794][   T10] 
[ 3339.834809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.834809][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.834809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.834809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.834809][   T10]      ip6_route_add+0x1c/0x140
[ 3339.834809][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3339.834809][   T10]      addrconf_add_dev+0xe2/0x170
[ 3339.834809][   T10]      inet6_addr_add+0x12f/0xa40
[ 3339.834809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.834809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.834809][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.834809][   T10]      netlink_unicast+0x449/0x710
[ 3339.834809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.834809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.834809][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.834809][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.834809][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.834809][   T10] 
[ 3339.836765][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.836765][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3339.836765][   T10]      ipv6_find_idev+0x102/0x170
[ 3339.836765][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3339.836765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.836765][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.836765][   T10]      netlink_unicast+0x449/0x710
[ 3339.836765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.836765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.836765][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.836765][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.836765][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.836765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.836765][   T10] 
[ 3339.838309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3339.838309][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3339.838309][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3339.838309][   T10]      ipv6_find_idev+0x102/0x170
[ 3339.838309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3339.838309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.838309][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.838309][   T10]      netlink_unicast+0x449/0x710
[ 3339.838309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.838309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.838309][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.838309][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.838309][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.838309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.838309][   T10] 
[ 3339.840005][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3339.840303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.840303][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3339.840303][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3339.840303][   T10]      fib6_nh_init+0xa22/0x1580
[ 3339.840303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.840303][   T10]      ip6_route_add+0x1c/0x140
[ 3339.840303][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3339.840303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.840303][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.840303][   T10]      netlink_unicast+0x449/0x710
[ 3339.840303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.840303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.840303][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.840303][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.840303][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.840303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.840303][   T10] 
[ 3339.842183][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.842183][   T10]      dst_init+0x84/0x4a0
[ 3339.842183][   T10]      dst_alloc+0x97/0x150
[ 3339.842183][   T10]      ip6_dst_alloc+0x23/0x90
[ 3339.842183][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3339.842183][   T10]      ip6_pol_route+0x56f/0x840
[ 3339.842183][   T10]      fib6_rule_lookup+0x456/0x630
[ 3339.842183][   T10]      ip6_route_input+0x59c/0xa50
[ 3339.842183][   T10]      ipv6_rcv+0x397/0x810
[ 3339.842183][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3339.842183][   T10]      process_backlog+0x101/0x620
[ 3339.842183][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3339.842183][   T10]      net_rx_action+0x495/0xbe0
[ 3339.842183][   T10]      __do_softirq+0x1b5/0x7f6
[ 3339.842183][   T10] 
[ 3339.843823][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.843823][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.843823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.843823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.843823][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3339.843823][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3339.843823][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3339.843823][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3339.843823][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3339.843823][   T10]      addrconf_dad_begin+0x310/0x670
[ 3339.843823][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3339.843823][   T10]      process_one_work+0x84d/0x18a0
[ 3339.843823][   T10]      worker_thread+0x587/0xd30
[ 3339.843823][   T10]      kthread+0x28a/0x350
[ 3339.843823][   T10]      ret_from_fork+0x31/0x70
[ 3339.843823][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3339.843823][   T10] 
[ 3339.845742][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.845742][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.845742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.845742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.845742][   T10]      ip6_route_add+0x1c/0x140
[ 3339.845742][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3339.845742][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3339.845742][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.845742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.845742][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.845742][   T10]      netlink_unicast+0x449/0x710
[ 3339.845742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.845742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.845742][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.845742][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.845742][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.845742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.845742][   T10] 
[ 3339.847715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.847715][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.847715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.847715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.847715][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3339.847715][   T10]      ipv6_add_addr+0x411/0x2000
[ 3339.847715][   T10]      inet6_addr_add+0x30e/0xa40
[ 3339.847715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.847715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.847715][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.847715][   T10]      netlink_unicast+0x449/0x710
[ 3339.847715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.847715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.847715][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.847715][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.847715][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.847715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.847715][   T10] 
[ 3339.849682][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.849682][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.849682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.849682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.849682][   T10]      ip6_route_add+0x1c/0x140
[ 3339.849682][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3339.849682][   T10]      addrconf_add_dev+0xe2/0x170
[ 3339.849682][   T10]      inet6_addr_add+0x12f/0xa40
[ 3339.849682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.849682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.849682][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.849682][   T10]      netlink_unicast+0x449/0x710
[ 3339.849682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.849682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.849682][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.849682][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.849682][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.849682][   T10] 
[ 3339.851745][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.851745][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3339.851745][   T10]      ipv6_find_idev+0x102/0x170
[ 3339.851745][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3339.851745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.851745][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.851745][   T10]      netlink_unicast+0x449/0x710
[ 3339.851745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.851745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.851745][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.851745][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.851745][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.851745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.851745][   T10] 
[ 3339.853483][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3339.853483][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3339.853483][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3339.853483][   T10]      ipv6_find_idev+0x102/0x170
[ 3339.853483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3339.853483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.853483][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.853483][   T10]      netlink_unicast+0x449/0x710
[ 3339.853483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.853483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.853483][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.853483][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.853483][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.853483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.853483][   T10] 
[ 3339.855377][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3339.855712][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3339.855712][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.855712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.855712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.855712][   T10]      ip6_route_add+0x1c/0x140
[ 3339.855712][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3339.855712][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3339.855712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.855712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.855712][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.855712][   T10]      netlink_unicast+0x449/0x710
[ 3339.855712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.855712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.855712][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.855712][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.855712][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.855712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.855712][   T10] 
[ 3339.857894][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3339.857894][   T10]      netdev_get_by_index+0x5e/0x80
[ 3339.857894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3339.857894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3339.857894][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3339.857894][   T10]      ipv6_add_addr+0x411/0x2000
[ 3339.857894][   T10]      inet6_addr_add+0x30e/0xa40
[ 3339.857894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3339.857894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.857894][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.857894][   T10]      netlink_unicast+0x449/0x710
[ 3339.857894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.857894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.857894][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.857894][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.857894][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.857894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.857894][   T10] 
[ 3339.860043][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3339.860043][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3339.860043][   T10]      ipv6_find_idev+0x102/0x170
[ 3339.860043][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3339.860043][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.860043][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.860043][   T10]      netlink_unicast+0x449/0x710
[ 3339.860043][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.860043][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.860043][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.860043][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.860043][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.860043][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.860043][   T10] 
[ 3339.861761][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3339.861761][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3339.861761][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3339.861761][   T10]      ipv6_find_idev+0x102/0x170
[ 3339.861761][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3339.861761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3339.861761][   T10]      netlink_rcv_skb+0x130/0x360
[ 3339.861761][   T10]      netlink_unicast+0x449/0x710
[ 3339.861761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3339.861761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3339.861761][   T10]      ___sys_sendmsg+0xee/0x170
[ 3339.861761][   T10]      __sys_sendmsg+0xcd/0x170
[ 3339.861761][   T10]      do_syscall_64+0xc6/0x1e0
[ 3339.861761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3339.861761][   T10] 
[ 3349.968774][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3349.969362][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.969362][   T10]      dst_init+0x84/0x4a0
[ 3349.969362][   T10]      dst_alloc+0x97/0x150
[ 3349.969362][   T10]      ip6_dst_alloc+0x23/0x90
[ 3349.969362][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3349.969362][   T10]      ip6_pol_route+0x56f/0x840
[ 3349.969362][   T10]      fib6_rule_lookup+0x456/0x630
[ 3349.969362][   T10]      ip6_route_input+0x59c/0xa50
[ 3349.969362][   T10]      ipv6_rcv+0x397/0x810
[ 3349.969362][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3349.969362][   T10]      process_backlog+0x101/0x620
[ 3349.969362][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3349.969362][   T10]      net_rx_action+0x495/0xbe0
[ 3349.969362][   T10]      __do_softirq+0x1b5/0x7f6
[ 3349.969362][   T10] 
[ 3349.971154][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.971154][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3349.971154][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3349.971154][   T10]      fib6_nh_init+0xa22/0x1580
[ 3349.971154][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.971154][   T10]      ip6_route_add+0x1c/0x140
[ 3349.971154][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3349.971154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.971154][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.971154][   T10]      netlink_unicast+0x449/0x710
[ 3349.971154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.971154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.971154][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.971154][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.971154][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.971154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.971154][   T10] 
[ 3349.973071][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.973071][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.973071][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.973071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.973071][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3349.973071][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3349.973071][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3349.973071][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3349.973071][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3349.973071][   T10]      addrconf_dad_begin+0x310/0x670
[ 3349.973071][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3349.973071][   T10]      process_one_work+0x84d/0x18a0
[ 3349.973071][   T10]      worker_thread+0x587/0xd30
[ 3349.973071][   T10]      kthread+0x28a/0x350
[ 3349.973071][   T10]      ret_from_fork+0x31/0x70
[ 3349.973071][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3349.973071][   T10] 
[ 3349.974996][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.974996][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.974996][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.974996][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.974996][   T10]      ip6_route_add+0x1c/0x140
[ 3349.974996][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3349.974996][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3349.974996][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3349.974996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.974996][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.974996][   T10]      netlink_unicast+0x449/0x710
[ 3349.974996][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.974996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.974996][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.974996][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.974996][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.974996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.974996][   T10] 
[ 3349.976979][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.976979][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.976979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.976979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.976979][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3349.976979][   T10]      ipv6_add_addr+0x411/0x2000
[ 3349.976979][   T10]      inet6_addr_add+0x30e/0xa40
[ 3349.976979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3349.976979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.976979][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.976979][   T10]      netlink_unicast+0x449/0x710
[ 3349.976979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.976979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.976979][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.976979][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.976979][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.976979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.976979][   T10] 
[ 3349.978949][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.978949][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.978949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.978949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.978949][   T10]      ip6_route_add+0x1c/0x140
[ 3349.978949][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3349.978949][   T10]      addrconf_add_dev+0xe2/0x170
[ 3349.978949][   T10]      inet6_addr_add+0x12f/0xa40
[ 3349.978949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3349.978949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.978949][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.978949][   T10]      netlink_unicast+0x449/0x710
[ 3349.978949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.978949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.978949][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.978949][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.978949][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.978949][   T10] 
[ 3349.980931][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.980931][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3349.980931][   T10]      ipv6_find_idev+0x102/0x170
[ 3349.980931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3349.980931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.980931][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.980931][   T10]      netlink_unicast+0x449/0x710
[ 3349.980931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.980931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.980931][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.980931][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.980931][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.980931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.980931][   T10] 
[ 3349.982475][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3349.982475][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3349.982475][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3349.982475][   T10]      ipv6_find_idev+0x102/0x170
[ 3349.982475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3349.982475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.982475][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.982475][   T10]      netlink_unicast+0x449/0x710
[ 3349.982475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.982475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.982475][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.982475][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.982475][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.982475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.982475][   T10] 
[ 3349.984177][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3349.984415][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.984415][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3349.984415][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3349.984415][   T10]      fib6_nh_init+0xa22/0x1580
[ 3349.984415][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.984415][   T10]      ip6_route_add+0x1c/0x140
[ 3349.984415][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3349.984415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.984415][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.984415][   T10]      netlink_unicast+0x449/0x710
[ 3349.984415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.984415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.984415][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.984415][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.984415][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.984415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.984415][   T10] 
[ 3349.986286][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.986286][   T10]      dst_init+0x84/0x4a0
[ 3349.986286][   T10]      dst_alloc+0x97/0x150
[ 3349.986286][   T10]      ip6_dst_alloc+0x23/0x90
[ 3349.986286][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3349.986286][   T10]      ip6_pol_route+0x56f/0x840
[ 3349.986286][   T10]      fib6_rule_lookup+0x456/0x630
[ 3349.986286][   T10]      ip6_route_input+0x59c/0xa50
[ 3349.986286][   T10]      ipv6_rcv+0x397/0x810
[ 3349.986286][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3349.986286][   T10]      process_backlog+0x101/0x620
[ 3349.986286][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3349.986286][   T10]      net_rx_action+0x495/0xbe0
[ 3349.986286][   T10]      __do_softirq+0x1b5/0x7f6
[ 3349.986286][   T10] 
[ 3349.987913][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.987913][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.987913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.987913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.987913][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3349.987913][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3349.987913][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3349.987913][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3349.987913][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3349.987913][   T10]      addrconf_dad_begin+0x310/0x670
[ 3349.987913][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3349.987913][   T10]      process_one_work+0x84d/0x18a0
[ 3349.987913][   T10]      worker_thread+0x587/0xd30
[ 3349.987913][   T10]      kthread+0x28a/0x350
[ 3349.987913][   T10]      ret_from_fork+0x31/0x70
[ 3349.987913][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3349.987913][   T10] 
[ 3349.989831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.989831][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.989831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.989831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.989831][   T10]      ip6_route_add+0x1c/0x140
[ 3349.989831][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3349.989831][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3349.989831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3349.989831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.989831][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.989831][   T10]      netlink_unicast+0x449/0x710
[ 3349.989831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.989831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.989831][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.989831][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.989831][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.989831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.989831][   T10] 
[ 3349.991866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.991866][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.991866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.991866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.991866][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3349.991866][   T10]      ipv6_add_addr+0x411/0x2000
[ 3349.991866][   T10]      inet6_addr_add+0x30e/0xa40
[ 3349.991866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3349.991866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.991866][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.991866][   T10]      netlink_unicast+0x449/0x710
[ 3349.991866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.991866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.991866][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.991866][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.991866][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.991866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.991866][   T10] 
[ 3349.993868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.993868][   T10]      netdev_get_by_index+0x5e/0x80
[ 3349.993868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3349.993868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3349.993868][   T10]      ip6_route_add+0x1c/0x140
[ 3349.993868][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3349.993868][   T10]      addrconf_add_dev+0xe2/0x170
[ 3349.993868][   T10]      inet6_addr_add+0x12f/0xa40
[ 3349.993868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3349.993868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.993868][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.993868][   T10]      netlink_unicast+0x449/0x710
[ 3349.993868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.993868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.993868][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.993868][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.993868][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.993868][   T10] 
[ 3349.996485][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.996485][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3349.996485][   T10]      ipv6_find_idev+0x102/0x170
[ 3349.996485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3349.996485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.996485][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.996485][   T10]      netlink_unicast+0x449/0x710
[ 3349.996485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.996485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.996485][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.996485][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.996485][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.996485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.996485][   T10] 
[ 3349.998198][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3349.998198][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3349.998198][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3349.998198][   T10]      ipv6_find_idev+0x102/0x170
[ 3349.998198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3349.998198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3349.998198][   T10]      netlink_rcv_skb+0x130/0x360
[ 3349.998198][   T10]      netlink_unicast+0x449/0x710
[ 3349.998198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3349.998198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3349.998198][   T10]      ___sys_sendmsg+0xee/0x170
[ 3349.998198][   T10]      __sys_sendmsg+0xcd/0x170
[ 3349.998198][   T10]      do_syscall_64+0xc6/0x1e0
[ 3349.998198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3349.998198][   T10] 
[ 3350.000132][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3350.000427][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3350.000427][   T10]      netdev_get_by_index+0x5e/0x80
[ 3350.000427][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3350.000427][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3350.000427][   T10]      ip6_route_add+0x1c/0x140
[ 3350.000427][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3350.000427][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3350.000427][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3350.000427][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3350.000427][   T10]      netlink_rcv_skb+0x130/0x360
[ 3350.000427][   T10]      netlink_unicast+0x449/0x710
[ 3350.000427][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3350.000427][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3350.000427][   T10]      ___sys_sendmsg+0xee/0x170
[ 3350.000427][   T10]      __sys_sendmsg+0xcd/0x170
[ 3350.000427][   T10]      do_syscall_64+0xc6/0x1e0
[ 3350.000427][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3350.000427][   T10] 
[ 3350.002657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3350.002657][   T10]      netdev_get_by_index+0x5e/0x80
[ 3350.002657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3350.002657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3350.002657][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3350.002657][   T10]      ipv6_add_addr+0x411/0x2000
[ 3350.002657][   T10]      inet6_addr_add+0x30e/0xa40
[ 3350.002657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3350.002657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3350.002657][   T10]      netlink_rcv_skb+0x130/0x360
[ 3350.002657][   T10]      netlink_unicast+0x449/0x710
[ 3350.002657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3350.002657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3350.002657][   T10]      ___sys_sendmsg+0xee/0x170
[ 3350.002657][   T10]      __sys_sendmsg+0xcd/0x170
[ 3350.002657][   T10]      do_syscall_64+0xc6/0x1e0
[ 3350.002657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3350.002657][   T10] 
[ 3350.004829][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3350.004829][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3350.004829][   T10]      ipv6_find_idev+0x102/0x170
[ 3350.004829][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3350.004829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3350.004829][   T10]      netlink_rcv_skb+0x130/0x360
[ 3350.004829][   T10]      netlink_unicast+0x449/0x710
[ 3350.004829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3350.004829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3350.004829][   T10]      ___sys_sendmsg+0xee/0x170
[ 3350.004829][   T10]      __sys_sendmsg+0xcd/0x170
[ 3350.004829][   T10]      do_syscall_64+0xc6/0x1e0
[ 3350.004829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3350.004829][   T10] 
[ 3350.006554][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3350.006554][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3350.006554][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3350.006554][   T10]      ipv6_find_idev+0x102/0x170
[ 3350.006554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3350.006554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3350.006554][   T10]      netlink_rcv_skb+0x130/0x360
[ 3350.006554][   T10]      netlink_unicast+0x449/0x710
[ 3350.006554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3350.006554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3350.006554][   T10]      ___sys_sendmsg+0xee/0x170
[ 3350.006554][   T10]      __sys_sendmsg+0xcd/0x170
[ 3350.006554][   T10]      do_syscall_64+0xc6/0x1e0
[ 3350.006554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3350.006554][   T10] 
[ 3360.248799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3360.249313][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.249313][   T10]      dst_init+0x84/0x4a0
[ 3360.249313][   T10]      dst_alloc+0x97/0x150
[ 3360.249313][   T10]      ip6_dst_alloc+0x23/0x90
[ 3360.249313][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3360.249313][   T10]      ip6_pol_route+0x56f/0x840
[ 3360.249313][   T10]      fib6_rule_lookup+0x456/0x630
[ 3360.249313][   T10]      ip6_route_input+0x59c/0xa50
[ 3360.249313][   T10]      ipv6_rcv+0x397/0x810
[ 3360.249313][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3360.249313][   T10]      process_backlog+0x101/0x620
[ 3360.249313][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3360.249313][   T10]      net_rx_action+0x495/0xbe0
[ 3360.249313][   T10]      __do_softirq+0x1b5/0x7f6
[ 3360.249313][   T10] 
[ 3360.250994][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.250994][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3360.250994][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3360.250994][   T10]      fib6_nh_init+0xa22/0x1580
[ 3360.250994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.250994][   T10]      ip6_route_add+0x1c/0x140
[ 3360.250994][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3360.250994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.250994][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.250994][   T10]      netlink_unicast+0x449/0x710
[ 3360.250994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.250994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.250994][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.250994][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.250994][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.250994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.250994][   T10] 
[ 3360.252863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.252863][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.252863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.252863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.252863][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3360.252863][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3360.252863][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3360.252863][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3360.252863][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3360.252863][   T10]      addrconf_dad_begin+0x310/0x670
[ 3360.252863][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3360.252863][   T10]      process_one_work+0x84d/0x18a0
[ 3360.252863][   T10]      worker_thread+0x587/0xd30
[ 3360.252863][   T10]      kthread+0x28a/0x350
[ 3360.252863][   T10]      ret_from_fork+0x31/0x70
[ 3360.252863][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3360.252863][   T10] 
[ 3360.254810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.254810][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.254810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.254810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.254810][   T10]      ip6_route_add+0x1c/0x140
[ 3360.254810][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3360.254810][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3360.254810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.254810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.254810][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.254810][   T10]      netlink_unicast+0x449/0x710
[ 3360.254810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.254810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.254810][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.254810][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.254810][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.254810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.254810][   T10] 
[ 3360.256836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.256836][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.256836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.256836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.256836][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3360.256836][   T10]      ipv6_add_addr+0x411/0x2000
[ 3360.256836][   T10]      inet6_addr_add+0x30e/0xa40
[ 3360.256836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.256836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.256836][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.256836][   T10]      netlink_unicast+0x449/0x710
[ 3360.256836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.256836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.256836][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.256836][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.256836][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.256836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.256836][   T10] 
[ 3360.258853][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.258853][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.258853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.258853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.258853][   T10]      ip6_route_add+0x1c/0x140
[ 3360.258853][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3360.258853][   T10]      addrconf_add_dev+0xe2/0x170
[ 3360.258853][   T10]      inet6_addr_add+0x12f/0xa40
[ 3360.258853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.258853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.258853][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.258853][   T10]      netlink_unicast+0x449/0x710
[ 3360.258853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.258853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.258853][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.258853][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.258853][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.258853][   T10] 
[ 3360.260806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.260806][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3360.260806][   T10]      ipv6_find_idev+0x102/0x170
[ 3360.260806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.260806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.260806][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.260806][   T10]      netlink_unicast+0x449/0x710
[ 3360.260806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.260806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.260806][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.260806][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.260806][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.260806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.260806][   T10] 
[ 3360.262342][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3360.262342][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3360.262342][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3360.262342][   T10]      ipv6_find_idev+0x102/0x170
[ 3360.262342][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.262342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.262342][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.262342][   T10]      netlink_unicast+0x449/0x710
[ 3360.262342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.262342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.262342][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.262342][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.262342][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.262342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.262342][   T10] 
[ 3360.264060][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3360.264306][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.264306][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3360.264306][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3360.264306][   T10]      fib6_nh_init+0xa22/0x1580
[ 3360.264306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.264306][   T10]      ip6_route_add+0x1c/0x140
[ 3360.264306][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3360.264306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.264306][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.264306][   T10]      netlink_unicast+0x449/0x710
[ 3360.264306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.264306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.264306][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.264306][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.264306][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.264306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.264306][   T10] 
[ 3360.266167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.266167][   T10]      dst_init+0x84/0x4a0
[ 3360.266167][   T10]      dst_alloc+0x97/0x150
[ 3360.266167][   T10]      ip6_dst_alloc+0x23/0x90
[ 3360.266167][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3360.266167][   T10]      ip6_pol_route+0x56f/0x840
[ 3360.266167][   T10]      fib6_rule_lookup+0x456/0x630
[ 3360.266167][   T10]      ip6_route_input+0x59c/0xa50
[ 3360.266167][   T10]      ipv6_rcv+0x397/0x810
[ 3360.266167][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3360.266167][   T10]      process_backlog+0x101/0x620
[ 3360.266167][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3360.266167][   T10]      net_rx_action+0x495/0xbe0
[ 3360.266167][   T10]      __do_softirq+0x1b5/0x7f6
[ 3360.266167][   T10] 
[ 3360.267749][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.267749][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.267749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.267749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.267749][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3360.267749][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3360.267749][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3360.267749][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3360.267749][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3360.267749][   T10]      addrconf_dad_begin+0x310/0x670
[ 3360.267749][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3360.267749][   T10]      process_one_work+0x84d/0x18a0
[ 3360.267749][   T10]      worker_thread+0x587/0xd30
[ 3360.267749][   T10]      kthread+0x28a/0x350
[ 3360.267749][   T10]      ret_from_fork+0x31/0x70
[ 3360.267749][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3360.267749][   T10] 
[ 3360.269603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.269603][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.269603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.269603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.269603][   T10]      ip6_route_add+0x1c/0x140
[ 3360.269603][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3360.269603][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3360.269603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.269603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.269603][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.269603][   T10]      netlink_unicast+0x449/0x710
[ 3360.269603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.269603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.269603][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.269603][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.269603][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.269603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.269603][   T10] 
[ 3360.271625][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.271625][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.271625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.271625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.271625][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3360.271625][   T10]      ipv6_add_addr+0x411/0x2000
[ 3360.271625][   T10]      inet6_addr_add+0x30e/0xa40
[ 3360.271625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.271625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.271625][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.271625][   T10]      netlink_unicast+0x449/0x710
[ 3360.271625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.271625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.271625][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.271625][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.271625][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.271625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.271625][   T10] 
[ 3360.273628][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.273628][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.273628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.273628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.273628][   T10]      ip6_route_add+0x1c/0x140
[ 3360.273628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3360.273628][   T10]      addrconf_add_dev+0xe2/0x170
[ 3360.273628][   T10]      inet6_addr_add+0x12f/0xa40
[ 3360.273628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.273628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.273628][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.273628][   T10]      netlink_unicast+0x449/0x710
[ 3360.273628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.273628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.273628][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.273628][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.273628][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.273628][   T10] 
[ 3360.275692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.275692][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3360.275692][   T10]      ipv6_find_idev+0x102/0x170
[ 3360.275692][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.275692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.275692][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.275692][   T10]      netlink_unicast+0x449/0x710
[ 3360.275692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.275692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.275692][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.275692][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.275692][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.275692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.275692][   T10] 
[ 3360.277467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3360.277467][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3360.277467][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3360.277467][   T10]      ipv6_find_idev+0x102/0x170
[ 3360.277467][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.277467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.277467][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.277467][   T10]      netlink_unicast+0x449/0x710
[ 3360.277467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.277467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.277467][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.277467][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.277467][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.277467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.277467][   T10] 
[ 3360.279328][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3360.279657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3360.279657][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.279657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.279657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.279657][   T10]      ip6_route_add+0x1c/0x140
[ 3360.279657][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3360.279657][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3360.279657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.279657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.279657][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.279657][   T10]      netlink_unicast+0x449/0x710
[ 3360.279657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.279657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.279657][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.279657][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.279657][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.279657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.279657][   T10] 
[ 3360.281847][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3360.281847][   T10]      netdev_get_by_index+0x5e/0x80
[ 3360.281847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3360.281847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3360.281847][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3360.281847][   T10]      ipv6_add_addr+0x411/0x2000
[ 3360.281847][   T10]      inet6_addr_add+0x30e/0xa40
[ 3360.281847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3360.281847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.281847][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.281847][   T10]      netlink_unicast+0x449/0x710
[ 3360.281847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.281847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.281847][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.281847][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.281847][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.281847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.281847][   T10] 
[ 3360.284039][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3360.284039][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3360.284039][   T10]      ipv6_find_idev+0x102/0x170
[ 3360.284039][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.284039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.284039][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.284039][   T10]      netlink_unicast+0x449/0x710
[ 3360.284039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.284039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.284039][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.284039][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.284039][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.284039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.284039][   T10] 
[ 3360.285785][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3360.285785][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3360.285785][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3360.285785][   T10]      ipv6_find_idev+0x102/0x170
[ 3360.285785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3360.285785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3360.285785][   T10]      netlink_rcv_skb+0x130/0x360
[ 3360.285785][   T10]      netlink_unicast+0x449/0x710
[ 3360.285785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3360.285785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3360.285785][   T10]      ___sys_sendmsg+0xee/0x170
[ 3360.285785][   T10]      __sys_sendmsg+0xcd/0x170
[ 3360.285785][   T10]      do_syscall_64+0xc6/0x1e0
[ 3360.285785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3360.285785][   T10] 
[ 3370.424774][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3370.425380][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.425380][   T10]      dst_init+0x84/0x4a0
[ 3370.425380][   T10]      dst_alloc+0x97/0x150
[ 3370.425380][   T10]      ip6_dst_alloc+0x23/0x90
[ 3370.425380][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3370.425380][   T10]      ip6_pol_route+0x56f/0x840
[ 3370.425380][   T10]      fib6_rule_lookup+0x456/0x630
[ 3370.425380][   T10]      ip6_route_input+0x59c/0xa50
[ 3370.425380][   T10]      ipv6_rcv+0x397/0x810
[ 3370.425380][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3370.425380][   T10]      process_backlog+0x101/0x620
[ 3370.425380][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3370.425380][   T10]      net_rx_action+0x495/0xbe0
[ 3370.425380][   T10]      __do_softirq+0x1b5/0x7f6
[ 3370.425380][   T10] 
[ 3370.426991][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.426991][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3370.426991][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3370.426991][   T10]      fib6_nh_init+0xa22/0x1580
[ 3370.426991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.426991][   T10]      ip6_route_add+0x1c/0x140
[ 3370.426991][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3370.426991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.426991][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.426991][   T10]      netlink_unicast+0x449/0x710
[ 3370.426991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.426991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.426991][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.426991][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.426991][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.426991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.426991][   T10] 
[ 3370.428908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.428908][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.428908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.428908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.428908][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3370.428908][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3370.428908][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3370.428908][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3370.428908][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3370.428908][   T10]      addrconf_dad_begin+0x310/0x670
[ 3370.428908][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3370.428908][   T10]      process_one_work+0x84d/0x18a0
[ 3370.428908][   T10]      worker_thread+0x587/0xd30
[ 3370.428908][   T10]      kthread+0x28a/0x350
[ 3370.428908][   T10]      ret_from_fork+0x31/0x70
[ 3370.428908][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3370.428908][   T10] 
[ 3370.430850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.430850][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.430850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.430850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.430850][   T10]      ip6_route_add+0x1c/0x140
[ 3370.430850][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3370.430850][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3370.430850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.430850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.430850][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.430850][   T10]      netlink_unicast+0x449/0x710
[ 3370.430850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.430850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.430850][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.430850][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.430850][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.430850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.430850][   T10] 
[ 3370.432874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.432874][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.432874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.432874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.432874][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3370.432874][   T10]      ipv6_add_addr+0x411/0x2000
[ 3370.432874][   T10]      inet6_addr_add+0x30e/0xa40
[ 3370.432874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.432874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.432874][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.432874][   T10]      netlink_unicast+0x449/0x710
[ 3370.432874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.432874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.432874][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.432874][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.432874][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.432874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.432874][   T10] 
[ 3370.434896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.434896][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.434896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.434896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.434896][   T10]      ip6_route_add+0x1c/0x140
[ 3370.434896][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3370.434896][   T10]      addrconf_add_dev+0xe2/0x170
[ 3370.434896][   T10]      inet6_addr_add+0x12f/0xa40
[ 3370.434896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.434896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.434896][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.434896][   T10]      netlink_unicast+0x449/0x710
[ 3370.434896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.434896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.434896][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.434896][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.434896][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.434896][   T10] 
[ 3370.436881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.436881][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3370.436881][   T10]      ipv6_find_idev+0x102/0x170
[ 3370.436881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3370.436881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.436881][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.436881][   T10]      netlink_unicast+0x449/0x710
[ 3370.436881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.436881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.436881][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.436881][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.436881][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.436881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.436881][   T10] 
[ 3370.438443][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3370.438443][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3370.438443][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3370.438443][   T10]      ipv6_find_idev+0x102/0x170
[ 3370.438443][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3370.438443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.438443][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.438443][   T10]      netlink_unicast+0x449/0x710
[ 3370.438443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.438443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.438443][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.438443][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.438443][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.438443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.438443][   T10] 
[ 3370.440199][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3370.440444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.440444][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3370.440444][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3370.440444][   T10]      fib6_nh_init+0xa22/0x1580
[ 3370.440444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.440444][   T10]      ip6_route_add+0x1c/0x140
[ 3370.440444][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3370.440444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.440444][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.440444][   T10]      netlink_unicast+0x449/0x710
[ 3370.440444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.440444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.440444][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.440444][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.440444][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.440444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.440444][   T10] 
[ 3370.442376][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.442376][   T10]      dst_init+0x84/0x4a0
[ 3370.442376][   T10]      dst_alloc+0x97/0x150
[ 3370.442376][   T10]      ip6_dst_alloc+0x23/0x90
[ 3370.442376][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3370.442376][   T10]      ip6_pol_route+0x56f/0x840
[ 3370.442376][   T10]      fib6_rule_lookup+0x456/0x630
[ 3370.442376][   T10]      ip6_route_input+0x59c/0xa50
[ 3370.442376][   T10]      ipv6_rcv+0x397/0x810
[ 3370.442376][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3370.442376][   T10]      process_backlog+0x101/0x620
[ 3370.442376][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3370.442376][   T10]      net_rx_action+0x495/0xbe0
[ 3370.442376][   T10]      __do_softirq+0x1b5/0x7f6
[ 3370.442376][   T10] 
[ 3370.444033][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.444033][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.444033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.444033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.444033][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3370.444033][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3370.444033][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3370.444033][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3370.444033][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3370.444033][   T10]      addrconf_dad_begin+0x310/0x670
[ 3370.444033][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3370.444033][   T10]      process_one_work+0x84d/0x18a0
[ 3370.444033][   T10]      worker_thread+0x587/0xd30
[ 3370.444033][   T10]      kthread+0x28a/0x350
[ 3370.444033][   T10]      ret_from_fork+0x31/0x70
[ 3370.444033][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3370.444033][   T10] 
[ 3370.445959][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.445959][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.445959][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.445959][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.445959][   T10]      ip6_route_add+0x1c/0x140
[ 3370.445959][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3370.445959][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3370.445959][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.445959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.445959][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.445959][   T10]      netlink_unicast+0x449/0x710
[ 3370.445959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.445959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.445959][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.445959][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.445959][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.445959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.445959][   T10] 
[ 3370.447980][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.447980][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.447980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.447980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.447980][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3370.447980][   T10]      ipv6_add_addr+0x411/0x2000
[ 3370.447980][   T10]      inet6_addr_add+0x30e/0xa40
[ 3370.447980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.447980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.447980][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.447980][   T10]      netlink_unicast+0x449/0x710
[ 3370.447980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.447980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.447980][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.447980][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.447980][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.447980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.447980][   T10] 
[ 3370.450018][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.450018][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.450018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.450018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.450018][   T10]      ip6_route_add+0x1c/0x140
[ 3370.450018][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3370.450018][   T10]      addrconf_add_dev+0xe2/0x170
[ 3370.450018][   T10]      inet6_addr_add+0x12f/0xa40
[ 3370.450018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.450018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.450018][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.450018][   T10]      netlink_unicast+0x449/0x710
[ 3370.450018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.450018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.450018][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.450018][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.450018][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.450018][   T10] 
[ 3370.452182][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.452182][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3370.452182][   T10]      ipv6_find_idev+0x102/0x170
[ 3370.452182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3370.452182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.452182][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.452182][   T10]      netlink_unicast+0x449/0x710
[ 3370.452182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.452182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.452182][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.452182][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.452182][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.452182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.452182][   T10] 
[ 3370.453903][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3370.453903][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3370.453903][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3370.453903][   T10]      ipv6_find_idev+0x102/0x170
[ 3370.453903][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3370.453903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.453903][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.453903][   T10]      netlink_unicast+0x449/0x710
[ 3370.453903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.453903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.453903][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.453903][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.453903][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.453903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.453903][   T10] 
[ 3370.455865][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3370.456105][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3370.456105][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.456105][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.456105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.456105][   T10]      ip6_route_add+0x1c/0x140
[ 3370.456105][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3370.456105][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3370.456105][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.456105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.456105][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.456105][   T10]      netlink_unicast+0x449/0x710
[ 3370.456105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.456105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.456105][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.456105][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.456105][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.456105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.456105][   T10] 
[ 3370.458386][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3370.458386][   T10]      netdev_get_by_index+0x5e/0x80
[ 3370.458386][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3370.458386][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3370.458386][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3370.458386][   T10]      ipv6_add_addr+0x411/0x2000
[ 3370.458386][   T10]      inet6_addr_add+0x30e/0xa40
[ 3370.458386][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3370.458386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.458386][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.458386][   T10]      netlink_unicast+0x449/0x710
[ 3370.458386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.458386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.458386][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.458386][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.458386][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.458386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.458386][   T10] 
[ 3370.460671][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3370.460671][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3370.460671][   T10]      ipv6_find_idev+0x102/0x170
[ 3370.460671][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3370.460671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.460671][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.460671][   T10]      netlink_unicast+0x449/0x710
[ 3370.460671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.460671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.460671][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.460671][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.460671][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.460671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.460671][   T10] 
[ 3370.462379][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3370.462379][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3370.462379][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3370.462379][   T10]      ipv6_find_idev+0x102/0x170
[ 3370.462379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3370.462379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3370.462379][   T10]      netlink_rcv_skb+0x130/0x360
[ 3370.462379][   T10]      netlink_unicast+0x449/0x710
[ 3370.462379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3370.462379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3370.462379][   T10]      ___sys_sendmsg+0xee/0x170
[ 3370.462379][   T10]      __sys_sendmsg+0xcd/0x170
[ 3370.462379][   T10]      do_syscall_64+0xc6/0x1e0
[ 3370.462379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3370.462379][   T10] 
[ 3380.712756][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3380.713552][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.713552][   T10]      dst_init+0x84/0x4a0
[ 3380.713552][   T10]      dst_alloc+0x97/0x150
[ 3380.713552][   T10]      ip6_dst_alloc+0x23/0x90
[ 3380.713552][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3380.713552][   T10]      ip6_pol_route+0x56f/0x840
[ 3380.713552][   T10]      fib6_rule_lookup+0x456/0x630
[ 3380.713552][   T10]      ip6_route_input+0x59c/0xa50
[ 3380.713552][   T10]      ipv6_rcv+0x397/0x810
[ 3380.713552][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3380.713552][   T10]      process_backlog+0x101/0x620
[ 3380.713552][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3380.713552][   T10]      net_rx_action+0x495/0xbe0
[ 3380.713552][   T10]      __do_softirq+0x1b5/0x7f6
[ 3380.713552][   T10] 
[ 3380.715209][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.715209][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3380.715209][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3380.715209][   T10]      fib6_nh_init+0xa22/0x1580
[ 3380.715209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.715209][   T10]      ip6_route_add+0x1c/0x140
[ 3380.715209][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3380.715209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.715209][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.715209][   T10]      netlink_unicast+0x449/0x710
[ 3380.715209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.715209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.715209][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.715209][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.715209][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.715209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.715209][   T10] 
[ 3380.717061][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.717061][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.717061][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.717061][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.717061][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3380.717061][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3380.717061][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3380.717061][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3380.717061][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3380.717061][   T10]      addrconf_dad_begin+0x310/0x670
[ 3380.717061][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3380.717061][   T10]      process_one_work+0x84d/0x18a0
[ 3380.717061][   T10]      worker_thread+0x587/0xd30
[ 3380.717061][   T10]      kthread+0x28a/0x350
[ 3380.717061][   T10]      ret_from_fork+0x31/0x70
[ 3380.717061][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3380.717061][   T10] 
[ 3380.719025][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.719025][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.719025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.719025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.719025][   T10]      ip6_route_add+0x1c/0x140
[ 3380.719025][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3380.719025][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3380.719025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.719025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.719025][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.719025][   T10]      netlink_unicast+0x449/0x710
[ 3380.719025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.719025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.719025][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.719025][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.719025][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.719025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.719025][   T10] 
[ 3380.721108][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.721108][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.721108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.721108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.721108][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3380.721108][   T10]      ipv6_add_addr+0x411/0x2000
[ 3380.721108][   T10]      inet6_addr_add+0x30e/0xa40
[ 3380.721108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.721108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.721108][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.721108][   T10]      netlink_unicast+0x449/0x710
[ 3380.721108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.721108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.721108][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.721108][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.721108][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.721108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.721108][   T10] 
[ 3380.723153][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.723153][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.723153][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.723153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.723153][   T10]      ip6_route_add+0x1c/0x140
[ 3380.723153][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3380.723153][   T10]      addrconf_add_dev+0xe2/0x170
[ 3380.723153][   T10]      inet6_addr_add+0x12f/0xa40
[ 3380.723153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.723153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.723153][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.723153][   T10]      netlink_unicast+0x449/0x710
[ 3380.723153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.723153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.723153][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.723153][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.723153][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.723153][   T10] 
[ 3380.725177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.725177][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3380.725177][   T10]      ipv6_find_idev+0x102/0x170
[ 3380.725177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3380.725177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.725177][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.725177][   T10]      netlink_unicast+0x449/0x710
[ 3380.725177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.725177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.725177][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.725177][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.725177][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.725177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.725177][   T10] 
[ 3380.726736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3380.726736][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3380.726736][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3380.726736][   T10]      ipv6_find_idev+0x102/0x170
[ 3380.726736][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3380.726736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.726736][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.726736][   T10]      netlink_unicast+0x449/0x710
[ 3380.726736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.726736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.726736][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.726736][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.726736][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.726736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.726736][   T10] 
[ 3380.728494][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3380.728769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.728769][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3380.728769][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3380.728769][   T10]      fib6_nh_init+0xa22/0x1580
[ 3380.728769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.728769][   T10]      ip6_route_add+0x1c/0x140
[ 3380.728769][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3380.728769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.728769][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.728769][   T10]      netlink_unicast+0x449/0x710
[ 3380.728769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.728769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.728769][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.728769][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.728769][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.728769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.728769][   T10] 
[ 3380.730671][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.730671][   T10]      dst_init+0x84/0x4a0
[ 3380.730671][   T10]      dst_alloc+0x97/0x150
[ 3380.730671][   T10]      ip6_dst_alloc+0x23/0x90
[ 3380.730671][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3380.730671][   T10]      ip6_pol_route+0x56f/0x840
[ 3380.730671][   T10]      fib6_rule_lookup+0x456/0x630
[ 3380.730671][   T10]      ip6_route_input+0x59c/0xa50
[ 3380.730671][   T10]      ipv6_rcv+0x397/0x810
[ 3380.730671][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3380.730671][   T10]      process_backlog+0x101/0x620
[ 3380.730671][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3380.730671][   T10]      net_rx_action+0x495/0xbe0
[ 3380.730671][   T10]      __do_softirq+0x1b5/0x7f6
[ 3380.730671][   T10] 
[ 3380.732347][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.732347][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.732347][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.732347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.732347][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3380.732347][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3380.732347][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3380.732347][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3380.732347][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3380.732347][   T10]      addrconf_dad_begin+0x310/0x670
[ 3380.732347][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3380.732347][   T10]      process_one_work+0x84d/0x18a0
[ 3380.732347][   T10]      worker_thread+0x587/0xd30
[ 3380.732347][   T10]      kthread+0x28a/0x350
[ 3380.732347][   T10]      ret_from_fork+0x31/0x70
[ 3380.732347][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3380.732347][   T10] 
[ 3380.734279][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.734279][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.734279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.734279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.734279][   T10]      ip6_route_add+0x1c/0x140
[ 3380.734279][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3380.734279][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3380.734279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.734279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.734279][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.734279][   T10]      netlink_unicast+0x449/0x710
[ 3380.734279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.734279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.734279][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.734279][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.734279][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.734279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.734279][   T10] 
[ 3380.736310][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.736310][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.736310][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.736310][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.736310][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3380.736310][   T10]      ipv6_add_addr+0x411/0x2000
[ 3380.736310][   T10]      inet6_addr_add+0x30e/0xa40
[ 3380.736310][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.736310][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.736310][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.736310][   T10]      netlink_unicast+0x449/0x710
[ 3380.736310][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.736310][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.736310][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.736310][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.736310][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.736310][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.736310][   T10] 
[ 3380.738327][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.738327][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.738327][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.738327][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.738327][   T10]      ip6_route_add+0x1c/0x140
[ 3380.738327][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3380.738327][   T10]      addrconf_add_dev+0xe2/0x170
[ 3380.738327][   T10]      inet6_addr_add+0x12f/0xa40
[ 3380.738327][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.738327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.738327][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.738327][   T10]      netlink_unicast+0x449/0x710
[ 3380.738327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.738327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.738327][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.738327][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.738327][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.738327][   T10] 
[ 3380.740511][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.740511][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3380.740511][   T10]      ipv6_find_idev+0x102/0x170
[ 3380.740511][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3380.740511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.740511][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.740511][   T10]      netlink_unicast+0x449/0x710
[ 3380.740511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.740511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.740511][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.740511][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.740511][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.740511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.740511][   T10] 
[ 3380.742315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3380.742315][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3380.742315][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3380.742315][   T10]      ipv6_find_idev+0x102/0x170
[ 3380.742315][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3380.742315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.742315][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.742315][   T10]      netlink_unicast+0x449/0x710
[ 3380.742315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.742315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.742315][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.742315][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.742315][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.742315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.742315][   T10] 
[ 3380.744240][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3380.744480][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3380.744480][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.744480][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.744480][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.744480][   T10]      ip6_route_add+0x1c/0x140
[ 3380.744480][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3380.744480][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3380.744480][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.744480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.744480][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.744480][   T10]      netlink_unicast+0x449/0x710
[ 3380.744480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.744480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.744480][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.744480][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.744480][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.744480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.744480][   T10] 
[ 3380.746741][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3380.746741][   T10]      netdev_get_by_index+0x5e/0x80
[ 3380.746741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3380.746741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3380.746741][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3380.746741][   T10]      ipv6_add_addr+0x411/0x2000
[ 3380.746741][   T10]      inet6_addr_add+0x30e/0xa40
[ 3380.746741][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3380.746741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.746741][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.746741][   T10]      netlink_unicast+0x449/0x710
[ 3380.746741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.746741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.746741][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.746741][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.746741][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.746741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.746741][   T10] 
[ 3380.748995][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3380.748995][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3380.748995][   T10]      ipv6_find_idev+0x102/0x170
[ 3380.748995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3380.748995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.748995][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.748995][   T10]      netlink_unicast+0x449/0x710
[ 3380.748995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.748995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.748995][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.748995][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.748995][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.748995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.748995][   T10] 
[ 3380.750813][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3380.750813][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3380.750813][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3380.750813][   T10]      ipv6_find_idev+0x102/0x170
[ 3380.750813][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3380.750813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3380.750813][   T10]      netlink_rcv_skb+0x130/0x360
[ 3380.750813][   T10]      netlink_unicast+0x449/0x710
[ 3380.750813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3380.750813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3380.750813][   T10]      ___sys_sendmsg+0xee/0x170
[ 3380.750813][   T10]      __sys_sendmsg+0xcd/0x170
[ 3380.750813][   T10]      do_syscall_64+0xc6/0x1e0
[ 3380.750813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3380.750813][   T10] 
[ 3391.008790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3391.009309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.009309][   T10]      dst_init+0x84/0x4a0
[ 3391.009309][   T10]      dst_alloc+0x97/0x150
[ 3391.009309][   T10]      ip6_dst_alloc+0x23/0x90
[ 3391.009309][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3391.009309][   T10]      ip6_pol_route+0x56f/0x840
[ 3391.009309][   T10]      fib6_rule_lookup+0x456/0x630
[ 3391.009309][   T10]      ip6_route_input+0x59c/0xa50
[ 3391.009309][   T10]      ipv6_rcv+0x397/0x810
[ 3391.009309][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3391.009309][   T10]      process_backlog+0x101/0x620
[ 3391.009309][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3391.009309][   T10]      net_rx_action+0x495/0xbe0
[ 3391.009309][   T10]      __do_softirq+0x1b5/0x7f6
[ 3391.009309][   T10] 
[ 3391.010976][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.010976][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3391.010976][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3391.010976][   T10]      fib6_nh_init+0xa22/0x1580
[ 3391.010976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.010976][   T10]      ip6_route_add+0x1c/0x140
[ 3391.010976][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3391.010976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.010976][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.010976][   T10]      netlink_unicast+0x449/0x710
[ 3391.010976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.010976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.010976][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.010976][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.010976][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.010976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.010976][   T10] 
[ 3391.012777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.012777][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.012777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.012777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.012777][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3391.012777][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3391.012777][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3391.012777][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3391.012777][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3391.012777][   T10]      addrconf_dad_begin+0x310/0x670
[ 3391.012777][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3391.012777][   T10]      process_one_work+0x84d/0x18a0
[ 3391.012777][   T10]      worker_thread+0x587/0xd30
[ 3391.012777][   T10]      kthread+0x28a/0x350
[ 3391.012777][   T10]      ret_from_fork+0x31/0x70
[ 3391.012777][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3391.012777][   T10] 
[ 3391.014670][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.014670][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.014670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.014670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.014670][   T10]      ip6_route_add+0x1c/0x140
[ 3391.014670][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3391.014670][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3391.014670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.014670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.014670][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.014670][   T10]      netlink_unicast+0x449/0x710
[ 3391.014670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.014670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.014670][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.014670][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.014670][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.014670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.014670][   T10] 
[ 3391.016571][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.016571][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.016571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.016571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.016571][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3391.016571][   T10]      ipv6_add_addr+0x411/0x2000
[ 3391.016571][   T10]      inet6_addr_add+0x30e/0xa40
[ 3391.016571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.016571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.016571][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.016571][   T10]      netlink_unicast+0x449/0x710
[ 3391.016571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.016571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.016571][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.016571][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.016571][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.016571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.016571][   T10] 
[ 3391.018539][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.018539][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.018539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.018539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.018539][   T10]      ip6_route_add+0x1c/0x140
[ 3391.018539][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3391.018539][   T10]      addrconf_add_dev+0xe2/0x170
[ 3391.018539][   T10]      inet6_addr_add+0x12f/0xa40
[ 3391.018539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.018539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.018539][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.018539][   T10]      netlink_unicast+0x449/0x710
[ 3391.018539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.018539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.018539][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.018539][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.018539][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.018539][   T10] 
[ 3391.020490][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.020490][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3391.020490][   T10]      ipv6_find_idev+0x102/0x170
[ 3391.020490][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.020490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.020490][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.020490][   T10]      netlink_unicast+0x449/0x710
[ 3391.020490][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.020490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.020490][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.020490][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.020490][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.020490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.020490][   T10] 
[ 3391.022012][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3391.022012][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3391.022012][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3391.022012][   T10]      ipv6_find_idev+0x102/0x170
[ 3391.022012][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.022012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.022012][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.022012][   T10]      netlink_unicast+0x449/0x710
[ 3391.022012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.022012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.022012][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.022012][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.022012][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.022012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.022012][   T10] 
[ 3391.023702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3391.023947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.023947][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3391.023947][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3391.023947][   T10]      fib6_nh_init+0xa22/0x1580
[ 3391.023947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.023947][   T10]      ip6_route_add+0x1c/0x140
[ 3391.023947][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3391.023947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.023947][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.023947][   T10]      netlink_unicast+0x449/0x710
[ 3391.023947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.023947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.023947][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.023947][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.023947][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.023947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.023947][   T10] 
[ 3391.025842][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.025842][   T10]      dst_init+0x84/0x4a0
[ 3391.025842][   T10]      dst_alloc+0x97/0x150
[ 3391.025842][   T10]      ip6_dst_alloc+0x23/0x90
[ 3391.025842][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3391.025842][   T10]      ip6_pol_route+0x56f/0x840
[ 3391.025842][   T10]      fib6_rule_lookup+0x456/0x630
[ 3391.025842][   T10]      ip6_route_input+0x59c/0xa50
[ 3391.025842][   T10]      ipv6_rcv+0x397/0x810
[ 3391.025842][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3391.025842][   T10]      process_backlog+0x101/0x620
[ 3391.025842][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3391.025842][   T10]      net_rx_action+0x495/0xbe0
[ 3391.025842][   T10]      __do_softirq+0x1b5/0x7f6
[ 3391.025842][   T10] 
[ 3391.027465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.027465][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.027465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.027465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.027465][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3391.027465][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3391.027465][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3391.027465][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3391.027465][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3391.027465][   T10]      addrconf_dad_begin+0x310/0x670
[ 3391.027465][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3391.027465][   T10]      process_one_work+0x84d/0x18a0
[ 3391.027465][   T10]      worker_thread+0x587/0xd30
[ 3391.027465][   T10]      kthread+0x28a/0x350
[ 3391.027465][   T10]      ret_from_fork+0x31/0x70
[ 3391.027465][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3391.027465][   T10] 
[ 3391.029372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.029372][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.029372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.029372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.029372][   T10]      ip6_route_add+0x1c/0x140
[ 3391.029372][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3391.029372][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3391.029372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.029372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.029372][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.029372][   T10]      netlink_unicast+0x449/0x710
[ 3391.029372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.029372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.029372][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.029372][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.029372][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.029372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.029372][   T10] 
[ 3391.031418][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.031418][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.031418][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.031418][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.031418][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3391.031418][   T10]      ipv6_add_addr+0x411/0x2000
[ 3391.031418][   T10]      inet6_addr_add+0x30e/0xa40
[ 3391.031418][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.031418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.031418][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.031418][   T10]      netlink_unicast+0x449/0x710
[ 3391.031418][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.031418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.031418][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.031418][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.031418][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.031418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.031418][   T10] 
[ 3391.033443][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.033443][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.033443][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.033443][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.033443][   T10]      ip6_route_add+0x1c/0x140
[ 3391.033443][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3391.033443][   T10]      addrconf_add_dev+0xe2/0x170
[ 3391.033443][   T10]      inet6_addr_add+0x12f/0xa40
[ 3391.033443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.033443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.033443][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.033443][   T10]      netlink_unicast+0x449/0x710
[ 3391.033443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.033443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.033443][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.033443][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.033443][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.033443][   T10] 
[ 3391.035609][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.035609][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3391.035609][   T10]      ipv6_find_idev+0x102/0x170
[ 3391.035609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.035609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.035609][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.035609][   T10]      netlink_unicast+0x449/0x710
[ 3391.035609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.035609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.035609][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.035609][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.035609][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.035609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.035609][   T10] 
[ 3391.037292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3391.037292][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3391.037292][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3391.037292][   T10]      ipv6_find_idev+0x102/0x170
[ 3391.037292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.037292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.037292][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.037292][   T10]      netlink_unicast+0x449/0x710
[ 3391.037292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.037292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.037292][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.037292][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.037292][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.037292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.037292][   T10] 
[ 3391.039223][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3391.039460][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3391.039460][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.039460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.039460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.039460][   T10]      ip6_route_add+0x1c/0x140
[ 3391.039460][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3391.039460][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3391.039460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.039460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.039460][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.039460][   T10]      netlink_unicast+0x449/0x710
[ 3391.039460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.039460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.039460][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.039460][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.039460][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.039460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.039460][   T10] 
[ 3391.041732][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3391.041732][   T10]      netdev_get_by_index+0x5e/0x80
[ 3391.041732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3391.041732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3391.041732][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3391.041732][   T10]      ipv6_add_addr+0x411/0x2000
[ 3391.041732][   T10]      inet6_addr_add+0x30e/0xa40
[ 3391.041732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3391.041732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.041732][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.041732][   T10]      netlink_unicast+0x449/0x710
[ 3391.041732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.041732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.041732][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.041732][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.041732][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.041732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.041732][   T10] 
[ 3391.043988][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3391.043988][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3391.043988][   T10]      ipv6_find_idev+0x102/0x170
[ 3391.043988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.043988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.043988][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.043988][   T10]      netlink_unicast+0x449/0x710
[ 3391.043988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.043988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.043988][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.043988][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.043988][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.043988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.043988][   T10] 
[ 3391.045721][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3391.045721][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3391.045721][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3391.045721][   T10]      ipv6_find_idev+0x102/0x170
[ 3391.045721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3391.045721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3391.045721][   T10]      netlink_rcv_skb+0x130/0x360
[ 3391.045721][   T10]      netlink_unicast+0x449/0x710
[ 3391.045721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3391.045721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3391.045721][   T10]      ___sys_sendmsg+0xee/0x170
[ 3391.045721][   T10]      __sys_sendmsg+0xcd/0x170
[ 3391.045721][   T10]      do_syscall_64+0xc6/0x1e0
[ 3391.045721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3391.045721][   T10] 
[ 3401.296855][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3401.297471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.297471][   T10]      dst_init+0x84/0x4a0
[ 3401.297471][   T10]      dst_alloc+0x97/0x150
[ 3401.297471][   T10]      ip6_dst_alloc+0x23/0x90
[ 3401.297471][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3401.297471][   T10]      ip6_pol_route+0x56f/0x840
[ 3401.297471][   T10]      fib6_rule_lookup+0x456/0x630
[ 3401.297471][   T10]      ip6_route_input+0x59c/0xa50
[ 3401.297471][   T10]      ipv6_rcv+0x397/0x810
[ 3401.297471][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3401.297471][   T10]      process_backlog+0x101/0x620
[ 3401.297471][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3401.297471][   T10]      net_rx_action+0x495/0xbe0
[ 3401.297471][   T10]      __do_softirq+0x1b5/0x7f6
[ 3401.297471][   T10] 
[ 3401.299125][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.299125][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3401.299125][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3401.299125][   T10]      fib6_nh_init+0xa22/0x1580
[ 3401.299125][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.299125][   T10]      ip6_route_add+0x1c/0x140
[ 3401.299125][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3401.299125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.299125][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.299125][   T10]      netlink_unicast+0x449/0x710
[ 3401.299125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.299125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.299125][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.299125][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.299125][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.299125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.299125][   T10] 
[ 3401.301028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.301028][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.301028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.301028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.301028][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3401.301028][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3401.301028][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3401.301028][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3401.301028][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3401.301028][   T10]      addrconf_dad_begin+0x310/0x670
[ 3401.301028][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3401.301028][   T10]      process_one_work+0x84d/0x18a0
[ 3401.301028][   T10]      worker_thread+0x587/0xd30
[ 3401.301028][   T10]      kthread+0x28a/0x350
[ 3401.301028][   T10]      ret_from_fork+0x31/0x70
[ 3401.301028][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3401.301028][   T10] 
[ 3401.302828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.302828][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.302828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.302828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.302828][   T10]      ip6_route_add+0x1c/0x140
[ 3401.302828][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3401.302828][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3401.302828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.302828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.302828][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.302828][   T10]      netlink_unicast+0x449/0x710
[ 3401.302828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.302828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.302828][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.302828][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.302828][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.302828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.302828][   T10] 
[ 3401.304749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.304749][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.304749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.304749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.304749][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3401.304749][   T10]      ipv6_add_addr+0x411/0x2000
[ 3401.304749][   T10]      inet6_addr_add+0x30e/0xa40
[ 3401.304749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.304749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.304749][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.304749][   T10]      netlink_unicast+0x449/0x710
[ 3401.304749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.304749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.304749][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.304749][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.304749][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.304749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.304749][   T10] 
[ 3401.306773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.306773][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.306773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.306773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.306773][   T10]      ip6_route_add+0x1c/0x140
[ 3401.306773][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3401.306773][   T10]      addrconf_add_dev+0xe2/0x170
[ 3401.306773][   T10]      inet6_addr_add+0x12f/0xa40
[ 3401.306773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.306773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.306773][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.306773][   T10]      netlink_unicast+0x449/0x710
[ 3401.306773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.306773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.306773][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.306773][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.306773][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.306773][   T10] 
[ 3401.308724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.308724][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3401.308724][   T10]      ipv6_find_idev+0x102/0x170
[ 3401.308724][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.308724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.308724][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.308724][   T10]      netlink_unicast+0x449/0x710
[ 3401.308724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.308724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.308724][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.308724][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.308724][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.308724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.308724][   T10] 
[ 3401.310216][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3401.310216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3401.310216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3401.310216][   T10]      ipv6_find_idev+0x102/0x170
[ 3401.310216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.310216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.310216][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.310216][   T10]      netlink_unicast+0x449/0x710
[ 3401.310216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.310216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.310216][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.310216][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.310216][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.310216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.310216][   T10] 
[ 3401.311907][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3401.312144][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.312144][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3401.312144][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3401.312144][   T10]      fib6_nh_init+0xa22/0x1580
[ 3401.312144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.312144][   T10]      ip6_route_add+0x1c/0x140
[ 3401.312144][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3401.312144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.312144][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.312144][   T10]      netlink_unicast+0x449/0x710
[ 3401.312144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.312144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.312144][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.312144][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.312144][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.312144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.312144][   T10] 
[ 3401.313968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.313968][   T10]      dst_init+0x84/0x4a0
[ 3401.313968][   T10]      dst_alloc+0x97/0x150
[ 3401.313968][   T10]      ip6_dst_alloc+0x23/0x90
[ 3401.313968][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3401.313968][   T10]      ip6_pol_route+0x56f/0x840
[ 3401.313968][   T10]      fib6_rule_lookup+0x456/0x630
[ 3401.313968][   T10]      ip6_route_input+0x59c/0xa50
[ 3401.313968][   T10]      ipv6_rcv+0x397/0x810
[ 3401.313968][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3401.313968][   T10]      process_backlog+0x101/0x620
[ 3401.313968][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3401.313968][   T10]      net_rx_action+0x495/0xbe0
[ 3401.313968][   T10]      __do_softirq+0x1b5/0x7f6
[ 3401.313968][   T10] 
[ 3401.315612][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.315612][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.315612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.315612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.315612][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3401.315612][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3401.315612][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3401.315612][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3401.315612][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3401.315612][   T10]      addrconf_dad_begin+0x310/0x670
[ 3401.315612][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3401.315612][   T10]      process_one_work+0x84d/0x18a0
[ 3401.315612][   T10]      worker_thread+0x587/0xd30
[ 3401.315612][   T10]      kthread+0x28a/0x350
[ 3401.315612][   T10]      ret_from_fork+0x31/0x70
[ 3401.315612][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3401.315612][   T10] 
[ 3401.317399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.317399][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.317399][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.317399][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.317399][   T10]      ip6_route_add+0x1c/0x140
[ 3401.317399][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3401.317399][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3401.317399][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.317399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.317399][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.317399][   T10]      netlink_unicast+0x449/0x710
[ 3401.317399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.317399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.317399][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.317399][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.317399][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.317399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.317399][   T10] 
[ 3401.319358][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.319358][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.319358][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.319358][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.319358][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3401.319358][   T10]      ipv6_add_addr+0x411/0x2000
[ 3401.319358][   T10]      inet6_addr_add+0x30e/0xa40
[ 3401.319358][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.319358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.319358][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.319358][   T10]      netlink_unicast+0x449/0x710
[ 3401.319358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.319358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.319358][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.319358][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.319358][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.319358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.319358][   T10] 
[ 3401.321807][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.321807][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.321807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.321807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.321807][   T10]      ip6_route_add+0x1c/0x140
[ 3401.321807][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3401.321807][   T10]      addrconf_add_dev+0xe2/0x170
[ 3401.321807][   T10]      inet6_addr_add+0x12f/0xa40
[ 3401.321807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.321807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.321807][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.321807][   T10]      netlink_unicast+0x449/0x710
[ 3401.321807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.321807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.321807][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.321807][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.321807][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.321807][   T10] 
[ 3401.323956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.323956][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3401.323956][   T10]      ipv6_find_idev+0x102/0x170
[ 3401.323956][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.323956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.323956][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.323956][   T10]      netlink_unicast+0x449/0x710
[ 3401.323956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.323956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.323956][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.323956][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.323956][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.323956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.323956][   T10] 
[ 3401.325753][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3401.325753][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3401.325753][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3401.325753][   T10]      ipv6_find_idev+0x102/0x170
[ 3401.325753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.325753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.325753][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.325753][   T10]      netlink_unicast+0x449/0x710
[ 3401.325753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.325753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.325753][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.325753][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.325753][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.325753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.325753][   T10] 
[ 3401.327652][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3401.327893][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3401.327893][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.327893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.327893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.327893][   T10]      ip6_route_add+0x1c/0x140
[ 3401.327893][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3401.327893][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3401.327893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.327893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.327893][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.327893][   T10]      netlink_unicast+0x449/0x710
[ 3401.327893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.327893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.327893][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.327893][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.327893][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.327893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.327893][   T10] 
[ 3401.330165][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3401.330165][   T10]      netdev_get_by_index+0x5e/0x80
[ 3401.330165][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3401.330165][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3401.330165][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3401.330165][   T10]      ipv6_add_addr+0x411/0x2000
[ 3401.330165][   T10]      inet6_addr_add+0x30e/0xa40
[ 3401.330165][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3401.330165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.330165][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.330165][   T10]      netlink_unicast+0x449/0x710
[ 3401.330165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.330165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.330165][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.330165][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.330165][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.330165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.330165][   T10] 
[ 3401.332751][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3401.332751][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3401.332751][   T10]      ipv6_find_idev+0x102/0x170
[ 3401.332751][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.332751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.332751][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.332751][   T10]      netlink_unicast+0x449/0x710
[ 3401.332751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.332751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.332751][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.332751][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.332751][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.332751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.332751][   T10] 
[ 3401.334551][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3401.334551][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3401.334551][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3401.334551][   T10]      ipv6_find_idev+0x102/0x170
[ 3401.334551][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3401.334551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3401.334551][   T10]      netlink_rcv_skb+0x130/0x360
[ 3401.334551][   T10]      netlink_unicast+0x449/0x710
[ 3401.334551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3401.334551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3401.334551][   T10]      ___sys_sendmsg+0xee/0x170
[ 3401.334551][   T10]      __sys_sendmsg+0xcd/0x170
[ 3401.334551][   T10]      do_syscall_64+0xc6/0x1e0
[ 3401.334551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3401.334551][   T10] 
[ 3411.584790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3411.585308][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.585308][   T10]      dst_init+0x84/0x4a0
[ 3411.585308][   T10]      dst_alloc+0x97/0x150
[ 3411.585308][   T10]      ip6_dst_alloc+0x23/0x90
[ 3411.585308][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3411.585308][   T10]      ip6_pol_route+0x56f/0x840
[ 3411.585308][   T10]      fib6_rule_lookup+0x456/0x630
[ 3411.585308][   T10]      ip6_route_input+0x59c/0xa50
[ 3411.585308][   T10]      ipv6_rcv+0x397/0x810
[ 3411.585308][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3411.585308][   T10]      process_backlog+0x101/0x620
[ 3411.585308][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3411.585308][   T10]      net_rx_action+0x495/0xbe0
[ 3411.585308][   T10]      __do_softirq+0x1b5/0x7f6
[ 3411.585308][   T10] 
[ 3411.586933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.586933][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3411.586933][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3411.586933][   T10]      fib6_nh_init+0xa22/0x1580
[ 3411.586933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.586933][   T10]      ip6_route_add+0x1c/0x140
[ 3411.586933][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3411.586933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.586933][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.586933][   T10]      netlink_unicast+0x449/0x710
[ 3411.586933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.586933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.586933][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.586933][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.586933][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.586933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.586933][   T10] 
[ 3411.588809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.588809][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.588809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.588809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.588809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3411.588809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3411.588809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3411.588809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3411.588809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3411.588809][   T10]      addrconf_dad_begin+0x310/0x670
[ 3411.588809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3411.588809][   T10]      process_one_work+0x84d/0x18a0
[ 3411.588809][   T10]      worker_thread+0x587/0xd30
[ 3411.588809][   T10]      kthread+0x28a/0x350
[ 3411.588809][   T10]      ret_from_fork+0x31/0x70
[ 3411.588809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3411.588809][   T10] 
[ 3411.590774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.590774][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.590774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.590774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.590774][   T10]      ip6_route_add+0x1c/0x140
[ 3411.590774][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3411.590774][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3411.590774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.590774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.590774][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.590774][   T10]      netlink_unicast+0x449/0x710
[ 3411.590774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.590774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.590774][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.590774][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.590774][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.590774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.590774][   T10] 
[ 3411.592753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.592753][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.592753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.592753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.592753][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3411.592753][   T10]      ipv6_add_addr+0x411/0x2000
[ 3411.592753][   T10]      inet6_addr_add+0x30e/0xa40
[ 3411.592753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.592753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.592753][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.592753][   T10]      netlink_unicast+0x449/0x710
[ 3411.592753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.592753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.592753][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.592753][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.592753][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.592753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.592753][   T10] 
[ 3411.594783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.594783][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.594783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.594783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.594783][   T10]      ip6_route_add+0x1c/0x140
[ 3411.594783][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3411.594783][   T10]      addrconf_add_dev+0xe2/0x170
[ 3411.594783][   T10]      inet6_addr_add+0x12f/0xa40
[ 3411.594783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.594783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.594783][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.594783][   T10]      netlink_unicast+0x449/0x710
[ 3411.594783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.594783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.594783][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.594783][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.594783][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.594783][   T10] 
[ 3411.596626][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.596626][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3411.596626][   T10]      ipv6_find_idev+0x102/0x170
[ 3411.596626][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3411.596626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.596626][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.596626][   T10]      netlink_unicast+0x449/0x710
[ 3411.596626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.596626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.596626][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.596626][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.596626][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.596626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.596626][   T10] 
[ 3411.598182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3411.598182][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3411.598182][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3411.598182][   T10]      ipv6_find_idev+0x102/0x170
[ 3411.598182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3411.598182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.598182][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.598182][   T10]      netlink_unicast+0x449/0x710
[ 3411.598182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.598182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.598182][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.598182][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.598182][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.598182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.598182][   T10] 
[ 3411.599895][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3411.600143][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.600143][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3411.600143][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3411.600143][   T10]      fib6_nh_init+0xa22/0x1580
[ 3411.600143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.600143][   T10]      ip6_route_add+0x1c/0x140
[ 3411.600143][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3411.600143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.600143][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.600143][   T10]      netlink_unicast+0x449/0x710
[ 3411.600143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.600143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.600143][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.600143][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.600143][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.600143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.600143][   T10] 
[ 3411.602037][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.602037][   T10]      dst_init+0x84/0x4a0
[ 3411.602037][   T10]      dst_alloc+0x97/0x150
[ 3411.602037][   T10]      ip6_dst_alloc+0x23/0x90
[ 3411.602037][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3411.602037][   T10]      ip6_pol_route+0x56f/0x840
[ 3411.602037][   T10]      fib6_rule_lookup+0x456/0x630
[ 3411.602037][   T10]      ip6_route_input+0x59c/0xa50
[ 3411.602037][   T10]      ipv6_rcv+0x397/0x810
[ 3411.602037][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3411.602037][   T10]      process_backlog+0x101/0x620
[ 3411.602037][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3411.602037][   T10]      net_rx_action+0x495/0xbe0
[ 3411.602037][   T10]      __do_softirq+0x1b5/0x7f6
[ 3411.602037][   T10] 
[ 3411.603674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.603674][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.603674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.603674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.603674][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3411.603674][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3411.603674][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3411.603674][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3411.603674][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3411.603674][   T10]      addrconf_dad_begin+0x310/0x670
[ 3411.603674][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3411.603674][   T10]      process_one_work+0x84d/0x18a0
[ 3411.603674][   T10]      worker_thread+0x587/0xd30
[ 3411.603674][   T10]      kthread+0x28a/0x350
[ 3411.603674][   T10]      ret_from_fork+0x31/0x70
[ 3411.603674][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3411.603674][   T10] 
[ 3411.606044][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.606044][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.606044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.606044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.606044][   T10]      ip6_route_add+0x1c/0x140
[ 3411.606044][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3411.606044][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3411.606044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.606044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.606044][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.606044][   T10]      netlink_unicast+0x449/0x710
[ 3411.606044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.606044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.606044][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.606044][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.606044][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.606044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.606044][   T10] 
[ 3411.608061][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.608061][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.608061][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.608061][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.608061][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3411.608061][   T10]      ipv6_add_addr+0x411/0x2000
[ 3411.608061][   T10]      inet6_addr_add+0x30e/0xa40
[ 3411.608061][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.608061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.608061][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.608061][   T10]      netlink_unicast+0x449/0x710
[ 3411.608061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.608061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.608061][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.608061][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.608061][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.608061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.608061][   T10] 
[ 3411.610103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.610103][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.610103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.610103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.610103][   T10]      ip6_route_add+0x1c/0x140
[ 3411.610103][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3411.610103][   T10]      addrconf_add_dev+0xe2/0x170
[ 3411.610103][   T10]      inet6_addr_add+0x12f/0xa40
[ 3411.610103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.610103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.610103][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.610103][   T10]      netlink_unicast+0x449/0x710
[ 3411.610103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.610103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.610103][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.610103][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.610103][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.610103][   T10] 
[ 3411.612276][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.612276][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3411.612276][   T10]      ipv6_find_idev+0x102/0x170
[ 3411.612276][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3411.612276][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.612276][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.612276][   T10]      netlink_unicast+0x449/0x710
[ 3411.612276][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.612276][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.612276][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.612276][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.612276][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.612276][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.612276][   T10] 
[ 3411.614023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3411.614023][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3411.614023][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3411.614023][   T10]      ipv6_find_idev+0x102/0x170
[ 3411.614023][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3411.614023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.614023][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.614023][   T10]      netlink_unicast+0x449/0x710
[ 3411.614023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.614023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.614023][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.614023][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.614023][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.614023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.614023][   T10] 
[ 3411.615980][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3411.616223][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3411.616223][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.616223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.616223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.616223][   T10]      ip6_route_add+0x1c/0x140
[ 3411.616223][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3411.616223][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3411.616223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.616223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.616223][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.616223][   T10]      netlink_unicast+0x449/0x710
[ 3411.616223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.616223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.616223][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.616223][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.616223][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.616223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.616223][   T10] 
[ 3411.618486][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3411.618486][   T10]      netdev_get_by_index+0x5e/0x80
[ 3411.618486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3411.618486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3411.618486][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3411.618486][   T10]      ipv6_add_addr+0x411/0x2000
[ 3411.618486][   T10]      inet6_addr_add+0x30e/0xa40
[ 3411.618486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3411.618486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.618486][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.618486][   T10]      netlink_unicast+0x449/0x710
[ 3411.618486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.618486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.618486][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.618486][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.618486][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.618486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.618486][   T10] 
[ 3411.620756][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3411.620756][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3411.620756][   T10]      ipv6_find_idev+0x102/0x170
[ 3411.620756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3411.620756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.620756][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.620756][   T10]      netlink_unicast+0x449/0x710
[ 3411.620756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.620756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.620756][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.620756][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.620756][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.620756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.620756][   T10] 
[ 3411.622483][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3411.622483][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3411.622483][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3411.622483][   T10]      ipv6_find_idev+0x102/0x170
[ 3411.622483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3411.622483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3411.622483][   T10]      netlink_rcv_skb+0x130/0x360
[ 3411.622483][   T10]      netlink_unicast+0x449/0x710
[ 3411.622483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3411.622483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3411.622483][   T10]      ___sys_sendmsg+0xee/0x170
[ 3411.622483][   T10]      __sys_sendmsg+0xcd/0x170
[ 3411.622483][   T10]      do_syscall_64+0xc6/0x1e0
[ 3411.622483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3411.622483][   T10] 
[ 3421.632774][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3421.633602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.633602][   T10]      dst_init+0x84/0x4a0
[ 3421.633602][   T10]      dst_alloc+0x97/0x150
[ 3421.633602][   T10]      ip6_dst_alloc+0x23/0x90
[ 3421.633602][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3421.633602][   T10]      ip6_pol_route+0x56f/0x840
[ 3421.633602][   T10]      fib6_rule_lookup+0x456/0x630
[ 3421.633602][   T10]      ip6_route_input+0x59c/0xa50
[ 3421.633602][   T10]      ipv6_rcv+0x397/0x810
[ 3421.633602][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3421.633602][   T10]      process_backlog+0x101/0x620
[ 3421.633602][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3421.633602][   T10]      net_rx_action+0x495/0xbe0
[ 3421.633602][   T10]      __do_softirq+0x1b5/0x7f6
[ 3421.633602][   T10] 
[ 3421.635278][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.635278][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3421.635278][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3421.635278][   T10]      fib6_nh_init+0xa22/0x1580
[ 3421.635278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.635278][   T10]      ip6_route_add+0x1c/0x140
[ 3421.635278][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3421.635278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.635278][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.635278][   T10]      netlink_unicast+0x449/0x710
[ 3421.635278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.635278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.635278][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.635278][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.635278][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.635278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.635278][   T10] 
[ 3421.637196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.637196][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.637196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.637196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.637196][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3421.637196][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3421.637196][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3421.637196][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3421.637196][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3421.637196][   T10]      addrconf_dad_begin+0x310/0x670
[ 3421.637196][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3421.637196][   T10]      process_one_work+0x84d/0x18a0
[ 3421.637196][   T10]      worker_thread+0x587/0xd30
[ 3421.637196][   T10]      kthread+0x28a/0x350
[ 3421.637196][   T10]      ret_from_fork+0x31/0x70
[ 3421.637196][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3421.637196][   T10] 
[ 3421.639169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.639169][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.639169][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.639169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.639169][   T10]      ip6_route_add+0x1c/0x140
[ 3421.639169][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3421.639169][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3421.639169][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.639169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.639169][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.639169][   T10]      netlink_unicast+0x449/0x710
[ 3421.639169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.639169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.639169][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.639169][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.639169][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.639169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.639169][   T10] 
[ 3421.641260][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.641260][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.641260][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.641260][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.641260][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3421.641260][   T10]      ipv6_add_addr+0x411/0x2000
[ 3421.641260][   T10]      inet6_addr_add+0x30e/0xa40
[ 3421.641260][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.641260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.641260][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.641260][   T10]      netlink_unicast+0x449/0x710
[ 3421.641260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.641260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.641260][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.641260][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.641260][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.641260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.641260][   T10] 
[ 3421.643285][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.643285][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.643285][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.643285][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.643285][   T10]      ip6_route_add+0x1c/0x140
[ 3421.643285][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3421.643285][   T10]      addrconf_add_dev+0xe2/0x170
[ 3421.643285][   T10]      inet6_addr_add+0x12f/0xa40
[ 3421.643285][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.643285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.643285][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.643285][   T10]      netlink_unicast+0x449/0x710
[ 3421.643285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.643285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.643285][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.643285][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.643285][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.643285][   T10] 
[ 3421.645258][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.645258][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3421.645258][   T10]      ipv6_find_idev+0x102/0x170
[ 3421.645258][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3421.645258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.645258][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.645258][   T10]      netlink_unicast+0x449/0x710
[ 3421.645258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.645258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.645258][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.645258][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.645258][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.645258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.645258][   T10] 
[ 3421.646827][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3421.646827][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3421.646827][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3421.646827][   T10]      ipv6_find_idev+0x102/0x170
[ 3421.646827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3421.646827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.646827][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.646827][   T10]      netlink_unicast+0x449/0x710
[ 3421.646827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.646827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.646827][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.646827][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.646827][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.646827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.646827][   T10] 
[ 3421.648566][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3421.648824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.648824][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3421.648824][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3421.648824][   T10]      fib6_nh_init+0xa22/0x1580
[ 3421.648824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.648824][   T10]      ip6_route_add+0x1c/0x140
[ 3421.648824][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3421.648824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.648824][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.648824][   T10]      netlink_unicast+0x449/0x710
[ 3421.648824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.648824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.648824][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.648824][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.648824][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.648824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.648824][   T10] 
[ 3421.650751][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.650751][   T10]      dst_init+0x84/0x4a0
[ 3421.650751][   T10]      dst_alloc+0x97/0x150
[ 3421.650751][   T10]      ip6_dst_alloc+0x23/0x90
[ 3421.650751][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3421.650751][   T10]      ip6_pol_route+0x56f/0x840
[ 3421.650751][   T10]      fib6_rule_lookup+0x456/0x630
[ 3421.650751][   T10]      ip6_route_input+0x59c/0xa50
[ 3421.650751][   T10]      ipv6_rcv+0x397/0x810
[ 3421.650751][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3421.650751][   T10]      process_backlog+0x101/0x620
[ 3421.650751][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3421.650751][   T10]      net_rx_action+0x495/0xbe0
[ 3421.650751][   T10]      __do_softirq+0x1b5/0x7f6
[ 3421.650751][   T10] 
[ 3421.652409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.652409][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.652409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.652409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.652409][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3421.652409][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3421.652409][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3421.652409][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3421.652409][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3421.652409][   T10]      addrconf_dad_begin+0x310/0x670
[ 3421.652409][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3421.652409][   T10]      process_one_work+0x84d/0x18a0
[ 3421.652409][   T10]      worker_thread+0x587/0xd30
[ 3421.652409][   T10]      kthread+0x28a/0x350
[ 3421.652409][   T10]      ret_from_fork+0x31/0x70
[ 3421.652409][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3421.652409][   T10] 
[ 3421.654341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.654341][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.654341][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.654341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.654341][   T10]      ip6_route_add+0x1c/0x140
[ 3421.654341][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3421.654341][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3421.654341][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.654341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.654341][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.654341][   T10]      netlink_unicast+0x449/0x710
[ 3421.654341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.654341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.654341][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.654341][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.654341][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.654341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.654341][   T10] 
[ 3421.656384][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.656384][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.656384][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.656384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.656384][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3421.656384][   T10]      ipv6_add_addr+0x411/0x2000
[ 3421.656384][   T10]      inet6_addr_add+0x30e/0xa40
[ 3421.656384][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.656384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.656384][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.656384][   T10]      netlink_unicast+0x449/0x710
[ 3421.656384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.656384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.656384][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.656384][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.656384][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.656384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.656384][   T10] 
[ 3421.658404][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.658404][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.658404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.658404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.658404][   T10]      ip6_route_add+0x1c/0x140
[ 3421.658404][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3421.658404][   T10]      addrconf_add_dev+0xe2/0x170
[ 3421.658404][   T10]      inet6_addr_add+0x12f/0xa40
[ 3421.658404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.658404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.658404][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.658404][   T10]      netlink_unicast+0x449/0x710
[ 3421.658404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.658404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.658404][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.658404][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.658404][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.658404][   T10] 
[ 3421.660573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.660573][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3421.660573][   T10]      ipv6_find_idev+0x102/0x170
[ 3421.660573][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3421.660573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.660573][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.660573][   T10]      netlink_unicast+0x449/0x710
[ 3421.660573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.660573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.660573][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.660573][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.660573][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.660573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.660573][   T10] 
[ 3421.662378][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3421.662378][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3421.662378][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3421.662378][   T10]      ipv6_find_idev+0x102/0x170
[ 3421.662378][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3421.662378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.662378][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.662378][   T10]      netlink_unicast+0x449/0x710
[ 3421.662378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.662378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.662378][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.662378][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.662378][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.662378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.662378][   T10] 
[ 3421.664297][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3421.664553][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3421.664553][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.664553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.664553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.664553][   T10]      ip6_route_add+0x1c/0x140
[ 3421.664553][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3421.664553][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3421.664553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.664553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.664553][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.664553][   T10]      netlink_unicast+0x449/0x710
[ 3421.664553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.664553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.664553][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.664553][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.664553][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.664553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.664553][   T10] 
[ 3421.666822][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3421.666822][   T10]      netdev_get_by_index+0x5e/0x80
[ 3421.666822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3421.666822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3421.666822][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3421.666822][   T10]      ipv6_add_addr+0x411/0x2000
[ 3421.666822][   T10]      inet6_addr_add+0x30e/0xa40
[ 3421.666822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3421.666822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.666822][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.666822][   T10]      netlink_unicast+0x449/0x710
[ 3421.666822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.666822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.666822][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.666822][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.666822][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.666822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.666822][   T10] 
[ 3421.669075][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3421.669075][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3421.669075][   T10]      ipv6_find_idev+0x102/0x170
[ 3421.669075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3421.669075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.669075][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.669075][   T10]      netlink_unicast+0x449/0x710
[ 3421.669075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.669075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.669075][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.669075][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.669075][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.669075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.669075][   T10] 
[ 3421.670886][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3421.670886][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3421.670886][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3421.670886][   T10]      ipv6_find_idev+0x102/0x170
[ 3421.670886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3421.670886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3421.670886][   T10]      netlink_rcv_skb+0x130/0x360
[ 3421.670886][   T10]      netlink_unicast+0x449/0x710
[ 3421.670886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3421.670886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3421.670886][   T10]      ___sys_sendmsg+0xee/0x170
[ 3421.670886][   T10]      __sys_sendmsg+0xcd/0x170
[ 3421.670886][   T10]      do_syscall_64+0xc6/0x1e0
[ 3421.670886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3421.670886][   T10] 
[ 3431.912634][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3431.913102][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.913102][   T10]      dst_init+0x84/0x4a0
[ 3431.913102][   T10]      dst_alloc+0x97/0x150
[ 3431.913102][   T10]      ip6_dst_alloc+0x23/0x90
[ 3431.913102][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3431.913102][   T10]      ip6_pol_route+0x56f/0x840
[ 3431.913102][   T10]      fib6_rule_lookup+0x456/0x630
[ 3431.913102][   T10]      ip6_route_input+0x59c/0xa50
[ 3431.913102][   T10]      ipv6_rcv+0x397/0x810
[ 3431.913102][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3431.913102][   T10]      process_backlog+0x101/0x620
[ 3431.913102][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3431.913102][   T10]      net_rx_action+0x495/0xbe0
[ 3431.913102][   T10]      __do_softirq+0x1b5/0x7f6
[ 3431.913102][   T10] 
[ 3431.914751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.914751][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3431.914751][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3431.914751][   T10]      fib6_nh_init+0xa22/0x1580
[ 3431.914751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.914751][   T10]      ip6_route_add+0x1c/0x140
[ 3431.914751][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3431.914751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.914751][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.914751][   T10]      netlink_unicast+0x449/0x710
[ 3431.914751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.914751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.914751][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.914751][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.914751][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.914751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.914751][   T10] 
[ 3431.916647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.916647][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.916647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.916647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.916647][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3431.916647][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3431.916647][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3431.916647][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3431.916647][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3431.916647][   T10]      addrconf_dad_begin+0x310/0x670
[ 3431.916647][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3431.916647][   T10]      process_one_work+0x84d/0x18a0
[ 3431.916647][   T10]      worker_thread+0x587/0xd30
[ 3431.916647][   T10]      kthread+0x28a/0x350
[ 3431.916647][   T10]      ret_from_fork+0x31/0x70
[ 3431.916647][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3431.916647][   T10] 
[ 3431.918594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.918594][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.918594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.918594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.918594][   T10]      ip6_route_add+0x1c/0x140
[ 3431.918594][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3431.918594][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3431.918594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.918594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.918594][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.918594][   T10]      netlink_unicast+0x449/0x710
[ 3431.918594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.918594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.918594][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.918594][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.918594][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.918594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.918594][   T10] 
[ 3431.920636][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.920636][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.920636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.920636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.920636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3431.920636][   T10]      ipv6_add_addr+0x411/0x2000
[ 3431.920636][   T10]      inet6_addr_add+0x30e/0xa40
[ 3431.920636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.920636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.920636][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.920636][   T10]      netlink_unicast+0x449/0x710
[ 3431.920636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.920636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.920636][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.920636][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.920636][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.920636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.920636][   T10] 
[ 3431.922685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.922685][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.922685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.922685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.922685][   T10]      ip6_route_add+0x1c/0x140
[ 3431.922685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3431.922685][   T10]      addrconf_add_dev+0xe2/0x170
[ 3431.922685][   T10]      inet6_addr_add+0x12f/0xa40
[ 3431.922685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.922685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.922685][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.922685][   T10]      netlink_unicast+0x449/0x710
[ 3431.922685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.922685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.922685][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.922685][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.922685][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.922685][   T10] 
[ 3431.924687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.924687][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3431.924687][   T10]      ipv6_find_idev+0x102/0x170
[ 3431.924687][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3431.924687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.924687][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.924687][   T10]      netlink_unicast+0x449/0x710
[ 3431.924687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.924687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.924687][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.924687][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.924687][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.924687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.924687][   T10] 
[ 3431.926313][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3431.926313][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3431.926313][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3431.926313][   T10]      ipv6_find_idev+0x102/0x170
[ 3431.926313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3431.926313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.926313][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.926313][   T10]      netlink_unicast+0x449/0x710
[ 3431.926313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.926313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.926313][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.926313][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.926313][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.926313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.926313][   T10] 
[ 3431.928061][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3431.928316][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.928316][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3431.928316][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3431.928316][   T10]      fib6_nh_init+0xa22/0x1580
[ 3431.928316][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.928316][   T10]      ip6_route_add+0x1c/0x140
[ 3431.928316][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3431.928316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.928316][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.928316][   T10]      netlink_unicast+0x449/0x710
[ 3431.928316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.928316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.928316][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.928316][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.928316][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.928316][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.928316][   T10] 
[ 3431.930254][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.930254][   T10]      dst_init+0x84/0x4a0
[ 3431.930254][   T10]      dst_alloc+0x97/0x150
[ 3431.930254][   T10]      ip6_dst_alloc+0x23/0x90
[ 3431.930254][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3431.930254][   T10]      ip6_pol_route+0x56f/0x840
[ 3431.930254][   T10]      fib6_rule_lookup+0x456/0x630
[ 3431.930254][   T10]      ip6_route_input+0x59c/0xa50
[ 3431.930254][   T10]      ipv6_rcv+0x397/0x810
[ 3431.930254][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3431.930254][   T10]      process_backlog+0x101/0x620
[ 3431.930254][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3431.930254][   T10]      net_rx_action+0x495/0xbe0
[ 3431.930254][   T10]      __do_softirq+0x1b5/0x7f6
[ 3431.930254][   T10] 
[ 3431.931901][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.931901][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.931901][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.931901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.931901][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3431.931901][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3431.931901][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3431.931901][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3431.931901][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3431.931901][   T10]      addrconf_dad_begin+0x310/0x670
[ 3431.931901][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3431.931901][   T10]      process_one_work+0x84d/0x18a0
[ 3431.931901][   T10]      worker_thread+0x587/0xd30
[ 3431.931901][   T10]      kthread+0x28a/0x350
[ 3431.931901][   T10]      ret_from_fork+0x31/0x70
[ 3431.931901][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3431.931901][   T10] 
[ 3431.933834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.933834][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.933834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.933834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.933834][   T10]      ip6_route_add+0x1c/0x140
[ 3431.933834][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3431.933834][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3431.933834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.933834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.933834][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.933834][   T10]      netlink_unicast+0x449/0x710
[ 3431.933834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.933834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.933834][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.933834][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.933834][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.933834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.933834][   T10] 
[ 3431.935849][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.935849][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.935849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.935849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.935849][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3431.935849][   T10]      ipv6_add_addr+0x411/0x2000
[ 3431.935849][   T10]      inet6_addr_add+0x30e/0xa40
[ 3431.935849][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.935849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.935849][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.935849][   T10]      netlink_unicast+0x449/0x710
[ 3431.935849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.935849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.935849][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.935849][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.935849][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.935849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.935849][   T10] 
[ 3431.937870][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.937870][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.937870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.937870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.937870][   T10]      ip6_route_add+0x1c/0x140
[ 3431.937870][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3431.937870][   T10]      addrconf_add_dev+0xe2/0x170
[ 3431.937870][   T10]      inet6_addr_add+0x12f/0xa40
[ 3431.937870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.937870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.937870][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.937870][   T10]      netlink_unicast+0x449/0x710
[ 3431.937870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.937870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.937870][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.937870][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.937870][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.937870][   T10] 
[ 3431.940058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.940058][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3431.940058][   T10]      ipv6_find_idev+0x102/0x170
[ 3431.940058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3431.940058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.940058][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.940058][   T10]      netlink_unicast+0x449/0x710
[ 3431.940058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.940058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.940058][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.940058][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.940058][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.940058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.940058][   T10] 
[ 3431.941800][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3431.941800][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3431.941800][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3431.941800][   T10]      ipv6_find_idev+0x102/0x170
[ 3431.941800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3431.941800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.941800][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.941800][   T10]      netlink_unicast+0x449/0x710
[ 3431.941800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.941800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.941800][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.941800][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.941800][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.941800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.941800][   T10] 
[ 3431.943773][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3431.944018][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3431.944018][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.944018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.944018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.944018][   T10]      ip6_route_add+0x1c/0x140
[ 3431.944018][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3431.944018][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3431.944018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.944018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.944018][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.944018][   T10]      netlink_unicast+0x449/0x710
[ 3431.944018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.944018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.944018][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.944018][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.944018][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.944018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.944018][   T10] 
[ 3431.946268][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3431.946268][   T10]      netdev_get_by_index+0x5e/0x80
[ 3431.946268][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3431.946268][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3431.946268][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3431.946268][   T10]      ipv6_add_addr+0x411/0x2000
[ 3431.946268][   T10]      inet6_addr_add+0x30e/0xa40
[ 3431.946268][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3431.946268][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.946268][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.946268][   T10]      netlink_unicast+0x449/0x710
[ 3431.946268][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.946268][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.946268][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.946268][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.946268][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.946268][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.946268][   T10] 
[ 3431.948553][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3431.948553][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3431.948553][   T10]      ipv6_find_idev+0x102/0x170
[ 3431.948553][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3431.948553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.948553][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.948553][   T10]      netlink_unicast+0x449/0x710
[ 3431.948553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.948553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.948553][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.948553][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.948553][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.948553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.948553][   T10] 
[ 3431.950311][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3431.950311][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3431.950311][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3431.950311][   T10]      ipv6_find_idev+0x102/0x170
[ 3431.950311][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3431.950311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3431.950311][   T10]      netlink_rcv_skb+0x130/0x360
[ 3431.950311][   T10]      netlink_unicast+0x449/0x710
[ 3431.950311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3431.950311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3431.950311][   T10]      ___sys_sendmsg+0xee/0x170
[ 3431.950311][   T10]      __sys_sendmsg+0xcd/0x170
[ 3431.950311][   T10]      do_syscall_64+0xc6/0x1e0
[ 3431.950311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3431.950311][   T10] 
[ 3442.192756][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3442.193515][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.193515][   T10]      dst_init+0x84/0x4a0
[ 3442.193515][   T10]      dst_alloc+0x97/0x150
[ 3442.193515][   T10]      ip6_dst_alloc+0x23/0x90
[ 3442.193515][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3442.193515][   T10]      ip6_pol_route+0x56f/0x840
[ 3442.193515][   T10]      fib6_rule_lookup+0x456/0x630
[ 3442.193515][   T10]      ip6_route_input+0x59c/0xa50
[ 3442.193515][   T10]      ipv6_rcv+0x397/0x810
[ 3442.193515][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3442.193515][   T10]      process_backlog+0x101/0x620
[ 3442.193515][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3442.193515][   T10]      net_rx_action+0x495/0xbe0
[ 3442.193515][   T10]      __do_softirq+0x1b5/0x7f6
[ 3442.193515][   T10] 
[ 3442.195193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.195193][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3442.195193][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3442.195193][   T10]      fib6_nh_init+0xa22/0x1580
[ 3442.195193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.195193][   T10]      ip6_route_add+0x1c/0x140
[ 3442.195193][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3442.195193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.195193][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.195193][   T10]      netlink_unicast+0x449/0x710
[ 3442.195193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.195193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.195193][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.195193][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.195193][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.195193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.195193][   T10] 
[ 3442.197072][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.197072][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.197072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.197072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.197072][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3442.197072][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3442.197072][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3442.197072][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3442.197072][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3442.197072][   T10]      addrconf_dad_begin+0x310/0x670
[ 3442.197072][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3442.197072][   T10]      process_one_work+0x84d/0x18a0
[ 3442.197072][   T10]      worker_thread+0x587/0xd30
[ 3442.197072][   T10]      kthread+0x28a/0x350
[ 3442.197072][   T10]      ret_from_fork+0x31/0x70
[ 3442.197072][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3442.197072][   T10] 
[ 3442.198982][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.198982][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.198982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.198982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.198982][   T10]      ip6_route_add+0x1c/0x140
[ 3442.198982][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3442.198982][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3442.198982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.198982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.198982][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.198982][   T10]      netlink_unicast+0x449/0x710
[ 3442.198982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.198982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.198982][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.198982][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.198982][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.198982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.198982][   T10] 
[ 3442.201011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.201011][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.201011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.201011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.201011][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3442.201011][   T10]      ipv6_add_addr+0x411/0x2000
[ 3442.201011][   T10]      inet6_addr_add+0x30e/0xa40
[ 3442.201011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.201011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.201011][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.201011][   T10]      netlink_unicast+0x449/0x710
[ 3442.201011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.201011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.201011][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.201011][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.201011][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.201011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.201011][   T10] 
[ 3442.203023][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.203023][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.203023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.203023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.203023][   T10]      ip6_route_add+0x1c/0x140
[ 3442.203023][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3442.203023][   T10]      addrconf_add_dev+0xe2/0x170
[ 3442.203023][   T10]      inet6_addr_add+0x12f/0xa40
[ 3442.203023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.203023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.203023][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.203023][   T10]      netlink_unicast+0x449/0x710
[ 3442.203023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.203023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.203023][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.203023][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.203023][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.203023][   T10] 
[ 3442.205027][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.205027][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3442.205027][   T10]      ipv6_find_idev+0x102/0x170
[ 3442.205027][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.205027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.205027][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.205027][   T10]      netlink_unicast+0x449/0x710
[ 3442.205027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.205027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.205027][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.205027][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.205027][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.205027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.205027][   T10] 
[ 3442.206632][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3442.206632][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3442.206632][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3442.206632][   T10]      ipv6_find_idev+0x102/0x170
[ 3442.206632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.206632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.206632][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.206632][   T10]      netlink_unicast+0x449/0x710
[ 3442.206632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.206632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.206632][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.206632][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.206632][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.206632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.206632][   T10] 
[ 3442.208383][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3442.208634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.208634][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3442.208634][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3442.208634][   T10]      fib6_nh_init+0xa22/0x1580
[ 3442.208634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.208634][   T10]      ip6_route_add+0x1c/0x140
[ 3442.208634][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3442.208634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.208634][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.208634][   T10]      netlink_unicast+0x449/0x710
[ 3442.208634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.208634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.208634][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.208634][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.208634][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.208634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.208634][   T10] 
[ 3442.210684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.210684][   T10]      dst_init+0x84/0x4a0
[ 3442.210684][   T10]      dst_alloc+0x97/0x150
[ 3442.210684][   T10]      ip6_dst_alloc+0x23/0x90
[ 3442.210684][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3442.210684][   T10]      ip6_pol_route+0x56f/0x840
[ 3442.210684][   T10]      fib6_rule_lookup+0x456/0x630
[ 3442.210684][   T10]      ip6_route_input+0x59c/0xa50
[ 3442.210684][   T10]      ipv6_rcv+0x397/0x810
[ 3442.210684][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3442.210684][   T10]      process_backlog+0x101/0x620
[ 3442.210684][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3442.210684][   T10]      net_rx_action+0x495/0xbe0
[ 3442.210684][   T10]      __do_softirq+0x1b5/0x7f6
[ 3442.210684][   T10] 
[ 3442.212389][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.212389][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.212389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.212389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.212389][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3442.212389][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3442.212389][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3442.212389][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3442.212389][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3442.212389][   T10]      addrconf_dad_begin+0x310/0x670
[ 3442.212389][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3442.212389][   T10]      process_one_work+0x84d/0x18a0
[ 3442.212389][   T10]      worker_thread+0x587/0xd30
[ 3442.212389][   T10]      kthread+0x28a/0x350
[ 3442.212389][   T10]      ret_from_fork+0x31/0x70
[ 3442.212389][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3442.212389][   T10] 
[ 3442.214328][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.214328][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.214328][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.214328][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.214328][   T10]      ip6_route_add+0x1c/0x140
[ 3442.214328][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3442.214328][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3442.214328][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.214328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.214328][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.214328][   T10]      netlink_unicast+0x449/0x710
[ 3442.214328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.214328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.214328][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.214328][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.214328][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.214328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.214328][   T10] 
[ 3442.216372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.216372][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.216372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.216372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.216372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3442.216372][   T10]      ipv6_add_addr+0x411/0x2000
[ 3442.216372][   T10]      inet6_addr_add+0x30e/0xa40
[ 3442.216372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.216372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.216372][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.216372][   T10]      netlink_unicast+0x449/0x710
[ 3442.216372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.216372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.216372][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.216372][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.216372][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.216372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.216372][   T10] 
[ 3442.218411][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.218411][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.218411][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.218411][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.218411][   T10]      ip6_route_add+0x1c/0x140
[ 3442.218411][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3442.218411][   T10]      addrconf_add_dev+0xe2/0x170
[ 3442.218411][   T10]      inet6_addr_add+0x12f/0xa40
[ 3442.218411][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.218411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.218411][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.218411][   T10]      netlink_unicast+0x449/0x710
[ 3442.218411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.218411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.218411][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.218411][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.218411][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.218411][   T10] 
[ 3442.220600][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.220600][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3442.220600][   T10]      ipv6_find_idev+0x102/0x170
[ 3442.220600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.220600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.220600][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.220600][   T10]      netlink_unicast+0x449/0x710
[ 3442.220600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.220600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.220600][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.220600][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.220600][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.220600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.220600][   T10] 
[ 3442.222440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3442.222440][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3442.222440][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3442.222440][   T10]      ipv6_find_idev+0x102/0x170
[ 3442.222440][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.222440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.222440][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.222440][   T10]      netlink_unicast+0x449/0x710
[ 3442.222440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.222440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.222440][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.222440][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.222440][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.222440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.222440][   T10] 
[ 3442.224342][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3442.224592][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3442.224592][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.224592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.224592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.224592][   T10]      ip6_route_add+0x1c/0x140
[ 3442.224592][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3442.224592][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3442.224592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.224592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.224592][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.224592][   T10]      netlink_unicast+0x449/0x710
[ 3442.224592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.224592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.224592][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.224592][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.224592][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.224592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.224592][   T10] 
[ 3442.226856][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3442.226856][   T10]      netdev_get_by_index+0x5e/0x80
[ 3442.226856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3442.226856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3442.226856][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3442.226856][   T10]      ipv6_add_addr+0x411/0x2000
[ 3442.226856][   T10]      inet6_addr_add+0x30e/0xa40
[ 3442.226856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3442.226856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.226856][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.226856][   T10]      netlink_unicast+0x449/0x710
[ 3442.226856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.226856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.226856][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.226856][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.226856][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.226856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.226856][   T10] 
[ 3442.229109][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3442.229109][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3442.229109][   T10]      ipv6_find_idev+0x102/0x170
[ 3442.229109][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.229109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.229109][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.229109][   T10]      netlink_unicast+0x449/0x710
[ 3442.229109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.229109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.229109][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.229109][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.229109][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.229109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.229109][   T10] 
[ 3442.230913][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3442.230913][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3442.230913][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3442.230913][   T10]      ipv6_find_idev+0x102/0x170
[ 3442.230913][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3442.230913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3442.230913][   T10]      netlink_rcv_skb+0x130/0x360
[ 3442.230913][   T10]      netlink_unicast+0x449/0x710
[ 3442.230913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3442.230913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3442.230913][   T10]      ___sys_sendmsg+0xee/0x170
[ 3442.230913][   T10]      __sys_sendmsg+0xcd/0x170
[ 3442.230913][   T10]      do_syscall_64+0xc6/0x1e0
[ 3442.230913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3442.230913][   T10] 
[ 3452.472787][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3452.473342][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.473342][   T10]      dst_init+0x84/0x4a0
[ 3452.473342][   T10]      dst_alloc+0x97/0x150
[ 3452.473342][   T10]      ip6_dst_alloc+0x23/0x90
[ 3452.473342][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3452.473342][   T10]      ip6_pol_route+0x56f/0x840
[ 3452.473342][   T10]      fib6_rule_lookup+0x456/0x630
[ 3452.473342][   T10]      ip6_route_input+0x59c/0xa50
[ 3452.473342][   T10]      ipv6_rcv+0x397/0x810
[ 3452.473342][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3452.473342][   T10]      process_backlog+0x101/0x620
[ 3452.473342][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3452.473342][   T10]      net_rx_action+0x495/0xbe0
[ 3452.473342][   T10]      __do_softirq+0x1b5/0x7f6
[ 3452.473342][   T10] 
[ 3452.475008][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.475008][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3452.475008][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3452.475008][   T10]      fib6_nh_init+0xa22/0x1580
[ 3452.475008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.475008][   T10]      ip6_route_add+0x1c/0x140
[ 3452.475008][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3452.475008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.475008][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.475008][   T10]      netlink_unicast+0x449/0x710
[ 3452.475008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.475008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.475008][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.475008][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.475008][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.475008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.475008][   T10] 
[ 3452.476911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.476911][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.476911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.476911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.476911][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3452.476911][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3452.476911][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3452.476911][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3452.476911][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3452.476911][   T10]      addrconf_dad_begin+0x310/0x670
[ 3452.476911][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3452.476911][   T10]      process_one_work+0x84d/0x18a0
[ 3452.476911][   T10]      worker_thread+0x587/0xd30
[ 3452.476911][   T10]      kthread+0x28a/0x350
[ 3452.476911][   T10]      ret_from_fork+0x31/0x70
[ 3452.476911][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3452.476911][   T10] 
[ 3452.478814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.478814][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.478814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.478814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.478814][   T10]      ip6_route_add+0x1c/0x140
[ 3452.478814][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3452.478814][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3452.478814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.478814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.478814][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.478814][   T10]      netlink_unicast+0x449/0x710
[ 3452.478814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.478814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.478814][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.478814][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.478814][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.478814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.478814][   T10] 
[ 3452.480813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.480813][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.480813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.480813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.480813][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3452.480813][   T10]      ipv6_add_addr+0x411/0x2000
[ 3452.480813][   T10]      inet6_addr_add+0x30e/0xa40
[ 3452.480813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.480813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.480813][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.480813][   T10]      netlink_unicast+0x449/0x710
[ 3452.480813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.480813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.480813][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.480813][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.480813][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.480813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.480813][   T10] 
[ 3452.482739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.482739][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.482739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.482739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.482739][   T10]      ip6_route_add+0x1c/0x140
[ 3452.482739][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3452.482739][   T10]      addrconf_add_dev+0xe2/0x170
[ 3452.482739][   T10]      inet6_addr_add+0x12f/0xa40
[ 3452.482739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.482739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.482739][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.482739][   T10]      netlink_unicast+0x449/0x710
[ 3452.482739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.482739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.482739][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.482739][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.482739][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.482739][   T10] 
[ 3452.484648][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.484648][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3452.484648][   T10]      ipv6_find_idev+0x102/0x170
[ 3452.484648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3452.484648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.484648][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.484648][   T10]      netlink_unicast+0x449/0x710
[ 3452.484648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.484648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.484648][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.484648][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.484648][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.484648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.484648][   T10] 
[ 3452.486213][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3452.486213][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3452.486213][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3452.486213][   T10]      ipv6_find_idev+0x102/0x170
[ 3452.486213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3452.486213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.486213][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.486213][   T10]      netlink_unicast+0x449/0x710
[ 3452.486213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.486213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.486213][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.486213][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.486213][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.486213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.486213][   T10] 
[ 3452.487990][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3452.488228][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.488228][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3452.488228][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3452.488228][   T10]      fib6_nh_init+0xa22/0x1580
[ 3452.488228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.488228][   T10]      ip6_route_add+0x1c/0x140
[ 3452.488228][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3452.488228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.488228][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.488228][   T10]      netlink_unicast+0x449/0x710
[ 3452.488228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.488228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.488228][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.488228][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.488228][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.488228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.488228][   T10] 
[ 3452.490121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.490121][   T10]      dst_init+0x84/0x4a0
[ 3452.490121][   T10]      dst_alloc+0x97/0x150
[ 3452.490121][   T10]      ip6_dst_alloc+0x23/0x90
[ 3452.490121][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3452.490121][   T10]      ip6_pol_route+0x56f/0x840
[ 3452.490121][   T10]      fib6_rule_lookup+0x456/0x630
[ 3452.490121][   T10]      ip6_route_input+0x59c/0xa50
[ 3452.490121][   T10]      ipv6_rcv+0x397/0x810
[ 3452.490121][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3452.490121][   T10]      process_backlog+0x101/0x620
[ 3452.490121][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3452.490121][   T10]      net_rx_action+0x495/0xbe0
[ 3452.490121][   T10]      __do_softirq+0x1b5/0x7f6
[ 3452.490121][   T10] 
[ 3452.491781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.491781][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.491781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.491781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.491781][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3452.491781][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3452.491781][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3452.491781][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3452.491781][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3452.491781][   T10]      addrconf_dad_begin+0x310/0x670
[ 3452.491781][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3452.491781][   T10]      process_one_work+0x84d/0x18a0
[ 3452.491781][   T10]      worker_thread+0x587/0xd30
[ 3452.491781][   T10]      kthread+0x28a/0x350
[ 3452.491781][   T10]      ret_from_fork+0x31/0x70
[ 3452.491781][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3452.491781][   T10] 
[ 3452.493739][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.493739][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.493739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.493739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.493739][   T10]      ip6_route_add+0x1c/0x140
[ 3452.493739][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3452.493739][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3452.493739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.493739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.493739][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.493739][   T10]      netlink_unicast+0x449/0x710
[ 3452.493739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.493739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.493739][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.493739][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.493739][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.493739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.493739][   T10] 
[ 3452.495745][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.495745][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.495745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.495745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.495745][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3452.495745][   T10]      ipv6_add_addr+0x411/0x2000
[ 3452.495745][   T10]      inet6_addr_add+0x30e/0xa40
[ 3452.495745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.495745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.495745][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.495745][   T10]      netlink_unicast+0x449/0x710
[ 3452.495745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.495745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.495745][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.495745][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.495745][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.495745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.495745][   T10] 
[ 3452.497781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.497781][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.497781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.497781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.497781][   T10]      ip6_route_add+0x1c/0x140
[ 3452.497781][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3452.497781][   T10]      addrconf_add_dev+0xe2/0x170
[ 3452.497781][   T10]      inet6_addr_add+0x12f/0xa40
[ 3452.497781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.497781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.497781][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.497781][   T10]      netlink_unicast+0x449/0x710
[ 3452.497781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.497781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.497781][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.497781][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.497781][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.497781][   T10] 
[ 3452.500492][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.500492][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3452.500492][   T10]      ipv6_find_idev+0x102/0x170
[ 3452.500492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3452.500492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.500492][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.500492][   T10]      netlink_unicast+0x449/0x710
[ 3452.500492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.500492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.500492][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.500492][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.500492][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.500492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.500492][   T10] 
[ 3452.502252][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3452.502252][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3452.502252][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3452.502252][   T10]      ipv6_find_idev+0x102/0x170
[ 3452.502252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3452.502252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.502252][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.502252][   T10]      netlink_unicast+0x449/0x710
[ 3452.502252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.502252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.502252][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.502252][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.502252][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.502252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.502252][   T10] 
[ 3452.504241][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3452.504476][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3452.504476][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.504476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.504476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.504476][   T10]      ip6_route_add+0x1c/0x140
[ 3452.504476][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3452.504476][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3452.504476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.504476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.504476][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.504476][   T10]      netlink_unicast+0x449/0x710
[ 3452.504476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.504476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.504476][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.504476][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.504476][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.504476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.504476][   T10] 
[ 3452.506741][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3452.506741][   T10]      netdev_get_by_index+0x5e/0x80
[ 3452.506741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3452.506741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3452.506741][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3452.506741][   T10]      ipv6_add_addr+0x411/0x2000
[ 3452.506741][   T10]      inet6_addr_add+0x30e/0xa40
[ 3452.506741][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3452.506741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.506741][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.506741][   T10]      netlink_unicast+0x449/0x710
[ 3452.506741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.506741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.506741][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.506741][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.506741][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.506741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.506741][   T10] 
[ 3452.508985][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3452.508985][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3452.508985][   T10]      ipv6_find_idev+0x102/0x170
[ 3452.508985][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3452.508985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.508985][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.508985][   T10]      netlink_unicast+0x449/0x710
[ 3452.508985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.508985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.508985][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.508985][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.508985][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.508985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.508985][   T10] 
[ 3452.510731][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3452.510731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3452.510731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3452.510731][   T10]      ipv6_find_idev+0x102/0x170
[ 3452.510731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3452.510731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3452.510731][   T10]      netlink_rcv_skb+0x130/0x360
[ 3452.510731][   T10]      netlink_unicast+0x449/0x710
[ 3452.510731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3452.510731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3452.510731][   T10]      ___sys_sendmsg+0xee/0x170
[ 3452.510731][   T10]      __sys_sendmsg+0xcd/0x170
[ 3452.510731][   T10]      do_syscall_64+0xc6/0x1e0
[ 3452.510731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3452.510731][   T10] 
[ 3462.840895][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3462.841511][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.841511][   T10]      dst_init+0x84/0x4a0
[ 3462.841511][   T10]      dst_alloc+0x97/0x150
[ 3462.841511][   T10]      ip6_dst_alloc+0x23/0x90
[ 3462.841511][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3462.841511][   T10]      ip6_pol_route+0x56f/0x840
[ 3462.841511][   T10]      fib6_rule_lookup+0x456/0x630
[ 3462.841511][   T10]      ip6_route_input+0x59c/0xa50
[ 3462.841511][   T10]      ipv6_rcv+0x397/0x810
[ 3462.841511][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3462.841511][   T10]      process_backlog+0x101/0x620
[ 3462.841511][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3462.841511][   T10]      net_rx_action+0x495/0xbe0
[ 3462.841511][   T10]      __do_softirq+0x1b5/0x7f6
[ 3462.841511][   T10] 
[ 3462.843163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.843163][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3462.843163][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3462.843163][   T10]      fib6_nh_init+0xa22/0x1580
[ 3462.843163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.843163][   T10]      ip6_route_add+0x1c/0x140
[ 3462.843163][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3462.843163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.843163][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.843163][   T10]      netlink_unicast+0x449/0x710
[ 3462.843163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.843163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.843163][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.843163][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.843163][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.843163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.843163][   T10] 
[ 3462.845030][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.845030][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.845030][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.845030][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.845030][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3462.845030][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3462.845030][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3462.845030][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3462.845030][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3462.845030][   T10]      addrconf_dad_begin+0x310/0x670
[ 3462.845030][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3462.845030][   T10]      process_one_work+0x84d/0x18a0
[ 3462.845030][   T10]      worker_thread+0x587/0xd30
[ 3462.845030][   T10]      kthread+0x28a/0x350
[ 3462.845030][   T10]      ret_from_fork+0x31/0x70
[ 3462.845030][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3462.845030][   T10] 
[ 3462.846897][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.846897][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.846897][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.846897][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.846897][   T10]      ip6_route_add+0x1c/0x140
[ 3462.846897][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3462.846897][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3462.846897][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.846897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.846897][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.846897][   T10]      netlink_unicast+0x449/0x710
[ 3462.846897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.846897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.846897][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.846897][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.846897][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.846897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.846897][   T10] 
[ 3462.849311][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.849311][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.849311][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.849311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.849311][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3462.849311][   T10]      ipv6_add_addr+0x411/0x2000
[ 3462.849311][   T10]      inet6_addr_add+0x30e/0xa40
[ 3462.849311][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.849311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.849311][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.849311][   T10]      netlink_unicast+0x449/0x710
[ 3462.849311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.849311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.849311][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.849311][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.849311][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.849311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.849311][   T10] 
[ 3462.851359][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.851359][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.851359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.851359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.851359][   T10]      ip6_route_add+0x1c/0x140
[ 3462.851359][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3462.851359][   T10]      addrconf_add_dev+0xe2/0x170
[ 3462.851359][   T10]      inet6_addr_add+0x12f/0xa40
[ 3462.851359][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.851359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.851359][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.851359][   T10]      netlink_unicast+0x449/0x710
[ 3462.851359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.851359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.851359][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.851359][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.851359][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.851359][   T10] 
[ 3462.853299][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.853299][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3462.853299][   T10]      ipv6_find_idev+0x102/0x170
[ 3462.853299][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3462.853299][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.853299][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.853299][   T10]      netlink_unicast+0x449/0x710
[ 3462.853299][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.853299][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.853299][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.853299][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.853299][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.853299][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.853299][   T10] 
[ 3462.854852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3462.854852][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3462.854852][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3462.854852][   T10]      ipv6_find_idev+0x102/0x170
[ 3462.854852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3462.854852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.854852][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.854852][   T10]      netlink_unicast+0x449/0x710
[ 3462.854852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.854852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.854852][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.854852][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.854852][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.854852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.854852][   T10] 
[ 3462.856553][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3462.856816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.856816][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3462.856816][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3462.856816][   T10]      fib6_nh_init+0xa22/0x1580
[ 3462.856816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.856816][   T10]      ip6_route_add+0x1c/0x140
[ 3462.856816][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3462.856816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.856816][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.856816][   T10]      netlink_unicast+0x449/0x710
[ 3462.856816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.856816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.856816][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.856816][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.856816][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.856816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.856816][   T10] 
[ 3462.858673][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.858673][   T10]      dst_init+0x84/0x4a0
[ 3462.858673][   T10]      dst_alloc+0x97/0x150
[ 3462.858673][   T10]      ip6_dst_alloc+0x23/0x90
[ 3462.858673][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3462.858673][   T10]      ip6_pol_route+0x56f/0x840
[ 3462.858673][   T10]      fib6_rule_lookup+0x456/0x630
[ 3462.858673][   T10]      ip6_route_input+0x59c/0xa50
[ 3462.858673][   T10]      ipv6_rcv+0x397/0x810
[ 3462.858673][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3462.858673][   T10]      process_backlog+0x101/0x620
[ 3462.858673][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3462.858673][   T10]      net_rx_action+0x495/0xbe0
[ 3462.858673][   T10]      __do_softirq+0x1b5/0x7f6
[ 3462.858673][   T10] 
[ 3462.860271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.860271][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.860271][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.860271][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.860271][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3462.860271][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3462.860271][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3462.860271][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3462.860271][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3462.860271][   T10]      addrconf_dad_begin+0x310/0x670
[ 3462.860271][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3462.860271][   T10]      process_one_work+0x84d/0x18a0
[ 3462.860271][   T10]      worker_thread+0x587/0xd30
[ 3462.860271][   T10]      kthread+0x28a/0x350
[ 3462.860271][   T10]      ret_from_fork+0x31/0x70
[ 3462.860271][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3462.860271][   T10] 
[ 3462.862260][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.862260][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.862260][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.862260][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.862260][   T10]      ip6_route_add+0x1c/0x140
[ 3462.862260][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3462.862260][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3462.862260][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.862260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.862260][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.862260][   T10]      netlink_unicast+0x449/0x710
[ 3462.862260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.862260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.862260][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.862260][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.862260][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.862260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.862260][   T10] 
[ 3462.864307][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.864307][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.864307][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.864307][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.864307][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3462.864307][   T10]      ipv6_add_addr+0x411/0x2000
[ 3462.864307][   T10]      inet6_addr_add+0x30e/0xa40
[ 3462.864307][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.864307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.864307][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.864307][   T10]      netlink_unicast+0x449/0x710
[ 3462.864307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.864307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.864307][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.864307][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.864307][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.864307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.864307][   T10] 
[ 3462.866297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.866297][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.866297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.866297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.866297][   T10]      ip6_route_add+0x1c/0x140
[ 3462.866297][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3462.866297][   T10]      addrconf_add_dev+0xe2/0x170
[ 3462.866297][   T10]      inet6_addr_add+0x12f/0xa40
[ 3462.866297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.866297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.866297][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.866297][   T10]      netlink_unicast+0x449/0x710
[ 3462.866297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.866297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.866297][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.866297][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.866297][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.866297][   T10] 
[ 3462.868486][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.868486][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3462.868486][   T10]      ipv6_find_idev+0x102/0x170
[ 3462.868486][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3462.868486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.868486][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.868486][   T10]      netlink_unicast+0x449/0x710
[ 3462.868486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.868486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.868486][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.868486][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.868486][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.868486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.868486][   T10] 
[ 3462.870277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3462.870277][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3462.870277][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3462.870277][   T10]      ipv6_find_idev+0x102/0x170
[ 3462.870277][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3462.870277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.870277][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.870277][   T10]      netlink_unicast+0x449/0x710
[ 3462.870277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.870277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.870277][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.870277][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.870277][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.870277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.870277][   T10] 
[ 3462.872168][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3462.872423][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3462.872423][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.872423][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.872423][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.872423][   T10]      ip6_route_add+0x1c/0x140
[ 3462.872423][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3462.872423][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3462.872423][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.872423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.872423][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.872423][   T10]      netlink_unicast+0x449/0x710
[ 3462.872423][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.872423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.872423][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.872423][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.872423][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.872423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.872423][   T10] 
[ 3462.874695][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3462.874695][   T10]      netdev_get_by_index+0x5e/0x80
[ 3462.874695][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3462.874695][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3462.874695][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3462.874695][   T10]      ipv6_add_addr+0x411/0x2000
[ 3462.874695][   T10]      inet6_addr_add+0x30e/0xa40
[ 3462.874695][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3462.874695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.874695][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.874695][   T10]      netlink_unicast+0x449/0x710
[ 3462.874695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.874695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.874695][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.874695][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.874695][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.874695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.874695][   T10] 
[ 3462.876966][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3462.876966][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3462.876966][   T10]      ipv6_find_idev+0x102/0x170
[ 3462.876966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3462.876966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.876966][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.876966][   T10]      netlink_unicast+0x449/0x710
[ 3462.876966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.876966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.876966][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.876966][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.876966][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.876966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.876966][   T10] 
[ 3462.878798][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3462.878798][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3462.878798][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3462.878798][   T10]      ipv6_find_idev+0x102/0x170
[ 3462.878798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3462.878798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3462.878798][   T10]      netlink_rcv_skb+0x130/0x360
[ 3462.878798][   T10]      netlink_unicast+0x449/0x710
[ 3462.878798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3462.878798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3462.878798][   T10]      ___sys_sendmsg+0xee/0x170
[ 3462.878798][   T10]      __sys_sendmsg+0xcd/0x170
[ 3462.878798][   T10]      do_syscall_64+0xc6/0x1e0
[ 3462.878798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3462.878798][   T10] 
[ 3473.120788][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3473.121302][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.121302][   T10]      dst_init+0x84/0x4a0
[ 3473.121302][   T10]      dst_alloc+0x97/0x150
[ 3473.121302][   T10]      ip6_dst_alloc+0x23/0x90
[ 3473.121302][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3473.121302][   T10]      ip6_pol_route+0x56f/0x840
[ 3473.121302][   T10]      fib6_rule_lookup+0x456/0x630
[ 3473.121302][   T10]      ip6_route_input+0x59c/0xa50
[ 3473.121302][   T10]      ipv6_rcv+0x397/0x810
[ 3473.121302][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3473.121302][   T10]      process_backlog+0x101/0x620
[ 3473.121302][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3473.121302][   T10]      net_rx_action+0x495/0xbe0
[ 3473.121302][   T10]      __do_softirq+0x1b5/0x7f6
[ 3473.121302][   T10] 
[ 3473.122892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.122892][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3473.122892][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3473.122892][   T10]      fib6_nh_init+0xa22/0x1580
[ 3473.122892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.122892][   T10]      ip6_route_add+0x1c/0x140
[ 3473.122892][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3473.122892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.122892][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.122892][   T10]      netlink_unicast+0x449/0x710
[ 3473.122892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.122892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.122892][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.122892][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.122892][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.122892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.122892][   T10] 
[ 3473.124770][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.124770][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.124770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.124770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.124770][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3473.124770][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3473.124770][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3473.124770][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3473.124770][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3473.124770][   T10]      addrconf_dad_begin+0x310/0x670
[ 3473.124770][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3473.124770][   T10]      process_one_work+0x84d/0x18a0
[ 3473.124770][   T10]      worker_thread+0x587/0xd30
[ 3473.124770][   T10]      kthread+0x28a/0x350
[ 3473.124770][   T10]      ret_from_fork+0x31/0x70
[ 3473.124770][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3473.124770][   T10] 
[ 3473.126644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.126644][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.126644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.126644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.126644][   T10]      ip6_route_add+0x1c/0x140
[ 3473.126644][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3473.126644][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3473.126644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.126644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.126644][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.126644][   T10]      netlink_unicast+0x449/0x710
[ 3473.126644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.126644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.126644][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.126644][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.126644][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.126644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.126644][   T10] 
[ 3473.128645][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.128645][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.128645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.128645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.128645][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3473.128645][   T10]      ipv6_add_addr+0x411/0x2000
[ 3473.128645][   T10]      inet6_addr_add+0x30e/0xa40
[ 3473.128645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.128645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.128645][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.128645][   T10]      netlink_unicast+0x449/0x710
[ 3473.128645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.128645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.128645][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.128645][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.128645][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.128645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.128645][   T10] 
[ 3473.130730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.130730][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.130730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.130730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.130730][   T10]      ip6_route_add+0x1c/0x140
[ 3473.130730][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3473.130730][   T10]      addrconf_add_dev+0xe2/0x170
[ 3473.130730][   T10]      inet6_addr_add+0x12f/0xa40
[ 3473.130730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.130730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.130730][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.130730][   T10]      netlink_unicast+0x449/0x710
[ 3473.130730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.130730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.130730][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.130730][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.130730][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.130730][   T10] 
[ 3473.132746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.132746][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3473.132746][   T10]      ipv6_find_idev+0x102/0x170
[ 3473.132746][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.132746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.132746][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.132746][   T10]      netlink_unicast+0x449/0x710
[ 3473.132746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.132746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.132746][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.132746][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.132746][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.132746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.132746][   T10] 
[ 3473.134317][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3473.134317][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3473.134317][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3473.134317][   T10]      ipv6_find_idev+0x102/0x170
[ 3473.134317][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.134317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.134317][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.134317][   T10]      netlink_unicast+0x449/0x710
[ 3473.134317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.134317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.134317][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.134317][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.134317][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.134317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.134317][   T10] 
[ 3473.136020][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3473.136257][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.136257][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3473.136257][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3473.136257][   T10]      fib6_nh_init+0xa22/0x1580
[ 3473.136257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.136257][   T10]      ip6_route_add+0x1c/0x140
[ 3473.136257][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3473.136257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.136257][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.136257][   T10]      netlink_unicast+0x449/0x710
[ 3473.136257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.136257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.136257][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.136257][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.136257][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.136257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.136257][   T10] 
[ 3473.138171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.138171][   T10]      dst_init+0x84/0x4a0
[ 3473.138171][   T10]      dst_alloc+0x97/0x150
[ 3473.138171][   T10]      ip6_dst_alloc+0x23/0x90
[ 3473.138171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3473.138171][   T10]      ip6_pol_route+0x56f/0x840
[ 3473.138171][   T10]      fib6_rule_lookup+0x456/0x630
[ 3473.138171][   T10]      ip6_route_input+0x59c/0xa50
[ 3473.138171][   T10]      ipv6_rcv+0x397/0x810
[ 3473.138171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3473.138171][   T10]      process_backlog+0x101/0x620
[ 3473.138171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3473.138171][   T10]      net_rx_action+0x495/0xbe0
[ 3473.138171][   T10]      __do_softirq+0x1b5/0x7f6
[ 3473.138171][   T10] 
[ 3473.139836][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.139836][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.139836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.139836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.139836][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3473.139836][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3473.139836][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3473.139836][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3473.139836][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3473.139836][   T10]      addrconf_dad_begin+0x310/0x670
[ 3473.139836][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3473.139836][   T10]      process_one_work+0x84d/0x18a0
[ 3473.139836][   T10]      worker_thread+0x587/0xd30
[ 3473.139836][   T10]      kthread+0x28a/0x350
[ 3473.139836][   T10]      ret_from_fork+0x31/0x70
[ 3473.139836][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3473.139836][   T10] 
[ 3473.141781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.141781][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.141781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.141781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.141781][   T10]      ip6_route_add+0x1c/0x140
[ 3473.141781][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3473.141781][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3473.141781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.141781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.141781][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.141781][   T10]      netlink_unicast+0x449/0x710
[ 3473.141781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.141781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.141781][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.141781][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.141781][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.141781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.141781][   T10] 
[ 3473.143797][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.143797][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.143797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.143797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.143797][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3473.143797][   T10]      ipv6_add_addr+0x411/0x2000
[ 3473.143797][   T10]      inet6_addr_add+0x30e/0xa40
[ 3473.143797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.143797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.143797][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.143797][   T10]      netlink_unicast+0x449/0x710
[ 3473.143797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.143797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.143797][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.143797][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.143797][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.143797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.143797][   T10] 
[ 3473.145820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.145820][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.145820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.145820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.145820][   T10]      ip6_route_add+0x1c/0x140
[ 3473.145820][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3473.145820][   T10]      addrconf_add_dev+0xe2/0x170
[ 3473.145820][   T10]      inet6_addr_add+0x12f/0xa40
[ 3473.145820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.145820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.145820][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.145820][   T10]      netlink_unicast+0x449/0x710
[ 3473.145820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.145820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.145820][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.145820][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.145820][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.145820][   T10] 
[ 3473.147973][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.147973][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3473.147973][   T10]      ipv6_find_idev+0x102/0x170
[ 3473.147973][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.147973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.147973][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.147973][   T10]      netlink_unicast+0x449/0x710
[ 3473.147973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.147973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.147973][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.147973][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.147973][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.147973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.147973][   T10] 
[ 3473.149710][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3473.149710][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3473.149710][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3473.149710][   T10]      ipv6_find_idev+0x102/0x170
[ 3473.149710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.149710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.149710][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.149710][   T10]      netlink_unicast+0x449/0x710
[ 3473.149710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.149710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.149710][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.149710][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.149710][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.149710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.149710][   T10] 
[ 3473.151668][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3473.151914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3473.151914][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.151914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.151914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.151914][   T10]      ip6_route_add+0x1c/0x140
[ 3473.151914][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3473.151914][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3473.151914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.151914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.151914][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.151914][   T10]      netlink_unicast+0x449/0x710
[ 3473.151914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.151914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.151914][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.151914][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.151914][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.151914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.151914][   T10] 
[ 3473.154173][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3473.154173][   T10]      netdev_get_by_index+0x5e/0x80
[ 3473.154173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3473.154173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3473.154173][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3473.154173][   T10]      ipv6_add_addr+0x411/0x2000
[ 3473.154173][   T10]      inet6_addr_add+0x30e/0xa40
[ 3473.154173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3473.154173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.154173][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.154173][   T10]      netlink_unicast+0x449/0x710
[ 3473.154173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.154173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.154173][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.154173][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.154173][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.154173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.154173][   T10] 
[ 3473.156389][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3473.156389][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3473.156389][   T10]      ipv6_find_idev+0x102/0x170
[ 3473.156389][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.156389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.156389][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.156389][   T10]      netlink_unicast+0x449/0x710
[ 3473.156389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.156389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.156389][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.156389][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.156389][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.156389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.156389][   T10] 
[ 3473.158084][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3473.158084][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3473.158084][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3473.158084][   T10]      ipv6_find_idev+0x102/0x170
[ 3473.158084][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3473.158084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3473.158084][   T10]      netlink_rcv_skb+0x130/0x360
[ 3473.158084][   T10]      netlink_unicast+0x449/0x710
[ 3473.158084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3473.158084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3473.158084][   T10]      ___sys_sendmsg+0xee/0x170
[ 3473.158084][   T10]      __sys_sendmsg+0xcd/0x170
[ 3473.158084][   T10]      do_syscall_64+0xc6/0x1e0
[ 3473.158084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3473.158084][   T10] 
[ 3483.288773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3483.289328][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.289328][   T10]      dst_init+0x84/0x4a0
[ 3483.289328][   T10]      dst_alloc+0x97/0x150
[ 3483.289328][   T10]      ip6_dst_alloc+0x23/0x90
[ 3483.289328][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3483.289328][   T10]      ip6_pol_route+0x56f/0x840
[ 3483.289328][   T10]      fib6_rule_lookup+0x456/0x630
[ 3483.289328][   T10]      ip6_route_input+0x59c/0xa50
[ 3483.289328][   T10]      ipv6_rcv+0x397/0x810
[ 3483.289328][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3483.289328][   T10]      process_backlog+0x101/0x620
[ 3483.289328][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3483.289328][   T10]      net_rx_action+0x495/0xbe0
[ 3483.289328][   T10]      __do_softirq+0x1b5/0x7f6
[ 3483.289328][   T10] 
[ 3483.290960][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.290960][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3483.290960][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3483.290960][   T10]      fib6_nh_init+0xa22/0x1580
[ 3483.290960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.290960][   T10]      ip6_route_add+0x1c/0x140
[ 3483.290960][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3483.290960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.290960][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.290960][   T10]      netlink_unicast+0x449/0x710
[ 3483.290960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.290960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.290960][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.290960][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.290960][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.290960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.290960][   T10] 
[ 3483.292816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.292816][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.292816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.292816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.292816][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3483.292816][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3483.292816][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3483.292816][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3483.292816][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3483.292816][   T10]      addrconf_dad_begin+0x310/0x670
[ 3483.292816][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3483.292816][   T10]      process_one_work+0x84d/0x18a0
[ 3483.292816][   T10]      worker_thread+0x587/0xd30
[ 3483.292816][   T10]      kthread+0x28a/0x350
[ 3483.292816][   T10]      ret_from_fork+0x31/0x70
[ 3483.292816][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3483.292816][   T10] 
[ 3483.294677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.294677][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.294677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.294677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.294677][   T10]      ip6_route_add+0x1c/0x140
[ 3483.294677][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3483.294677][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3483.294677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.294677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.294677][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.294677][   T10]      netlink_unicast+0x449/0x710
[ 3483.294677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.294677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.294677][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.294677][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.294677][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.294677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.294677][   T10] 
[ 3483.296574][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.296574][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.296574][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.296574][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.296574][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3483.296574][   T10]      ipv6_add_addr+0x411/0x2000
[ 3483.296574][   T10]      inet6_addr_add+0x30e/0xa40
[ 3483.296574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.296574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.296574][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.296574][   T10]      netlink_unicast+0x449/0x710
[ 3483.296574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.296574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.296574][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.296574][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.296574][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.296574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.296574][   T10] 
[ 3483.298450][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.298450][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.298450][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.298450][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.298450][   T10]      ip6_route_add+0x1c/0x140
[ 3483.298450][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3483.298450][   T10]      addrconf_add_dev+0xe2/0x170
[ 3483.298450][   T10]      inet6_addr_add+0x12f/0xa40
[ 3483.298450][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.298450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.298450][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.298450][   T10]      netlink_unicast+0x449/0x710
[ 3483.298450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.298450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.298450][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.298450][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.298450][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.298450][   T10] 
[ 3483.300449][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.300449][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3483.300449][   T10]      ipv6_find_idev+0x102/0x170
[ 3483.300449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.300449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.300449][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.300449][   T10]      netlink_unicast+0x449/0x710
[ 3483.300449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.300449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.300449][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.300449][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.300449][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.300449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.300449][   T10] 
[ 3483.302029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3483.302029][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3483.302029][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3483.302029][   T10]      ipv6_find_idev+0x102/0x170
[ 3483.302029][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.302029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.302029][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.302029][   T10]      netlink_unicast+0x449/0x710
[ 3483.302029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.302029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.302029][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.302029][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.302029][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.302029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.302029][   T10] 
[ 3483.303743][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3483.304005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.304005][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3483.304005][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3483.304005][   T10]      fib6_nh_init+0xa22/0x1580
[ 3483.304005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.304005][   T10]      ip6_route_add+0x1c/0x140
[ 3483.304005][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3483.304005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.304005][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.304005][   T10]      netlink_unicast+0x449/0x710
[ 3483.304005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.304005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.304005][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.304005][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.304005][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.304005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.304005][   T10] 
[ 3483.305954][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.305954][   T10]      dst_init+0x84/0x4a0
[ 3483.305954][   T10]      dst_alloc+0x97/0x150
[ 3483.305954][   T10]      ip6_dst_alloc+0x23/0x90
[ 3483.305954][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3483.305954][   T10]      ip6_pol_route+0x56f/0x840
[ 3483.305954][   T10]      fib6_rule_lookup+0x456/0x630
[ 3483.305954][   T10]      ip6_route_input+0x59c/0xa50
[ 3483.305954][   T10]      ipv6_rcv+0x397/0x810
[ 3483.305954][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3483.305954][   T10]      process_backlog+0x101/0x620
[ 3483.305954][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3483.305954][   T10]      net_rx_action+0x495/0xbe0
[ 3483.305954][   T10]      __do_softirq+0x1b5/0x7f6
[ 3483.305954][   T10] 
[ 3483.307618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.307618][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.307618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.307618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.307618][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3483.307618][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3483.307618][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3483.307618][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3483.307618][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3483.307618][   T10]      addrconf_dad_begin+0x310/0x670
[ 3483.307618][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3483.307618][   T10]      process_one_work+0x84d/0x18a0
[ 3483.307618][   T10]      worker_thread+0x587/0xd30
[ 3483.307618][   T10]      kthread+0x28a/0x350
[ 3483.307618][   T10]      ret_from_fork+0x31/0x70
[ 3483.307618][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3483.307618][   T10] 
[ 3483.309543][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.309543][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.309543][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.309543][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.309543][   T10]      ip6_route_add+0x1c/0x140
[ 3483.309543][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3483.309543][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3483.309543][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.309543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.309543][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.309543][   T10]      netlink_unicast+0x449/0x710
[ 3483.309543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.309543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.309543][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.309543][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.309543][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.309543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.309543][   T10] 
[ 3483.311592][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.311592][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.311592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.311592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.311592][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3483.311592][   T10]      ipv6_add_addr+0x411/0x2000
[ 3483.311592][   T10]      inet6_addr_add+0x30e/0xa40
[ 3483.311592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.311592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.311592][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.311592][   T10]      netlink_unicast+0x449/0x710
[ 3483.311592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.311592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.311592][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.311592][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.311592][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.311592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.311592][   T10] 
[ 3483.313621][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.313621][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.313621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.313621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.313621][   T10]      ip6_route_add+0x1c/0x140
[ 3483.313621][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3483.313621][   T10]      addrconf_add_dev+0xe2/0x170
[ 3483.313621][   T10]      inet6_addr_add+0x12f/0xa40
[ 3483.313621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.313621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.313621][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.313621][   T10]      netlink_unicast+0x449/0x710
[ 3483.313621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.313621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.313621][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.313621][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.313621][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.313621][   T10] 
[ 3483.315772][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.315772][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3483.315772][   T10]      ipv6_find_idev+0x102/0x170
[ 3483.315772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.315772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.315772][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.315772][   T10]      netlink_unicast+0x449/0x710
[ 3483.315772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.315772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.315772][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.315772][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.315772][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.315772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.315772][   T10] 
[ 3483.317555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3483.317555][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3483.317555][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3483.317555][   T10]      ipv6_find_idev+0x102/0x170
[ 3483.317555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.317555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.317555][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.317555][   T10]      netlink_unicast+0x449/0x710
[ 3483.317555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.317555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.317555][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.317555][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.317555][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.317555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.317555][   T10] 
[ 3483.319494][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3483.319747][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3483.319747][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.319747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.319747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.319747][   T10]      ip6_route_add+0x1c/0x140
[ 3483.319747][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3483.319747][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3483.319747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.319747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.319747][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.319747][   T10]      netlink_unicast+0x449/0x710
[ 3483.319747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.319747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.319747][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.319747][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.319747][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.319747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.319747][   T10] 
[ 3483.322032][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3483.322032][   T10]      netdev_get_by_index+0x5e/0x80
[ 3483.322032][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3483.322032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3483.322032][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3483.322032][   T10]      ipv6_add_addr+0x411/0x2000
[ 3483.322032][   T10]      inet6_addr_add+0x30e/0xa40
[ 3483.322032][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3483.322032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.322032][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.322032][   T10]      netlink_unicast+0x449/0x710
[ 3483.322032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.322032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.322032][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.322032][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.322032][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.322032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.322032][   T10] 
[ 3483.324285][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3483.324285][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3483.324285][   T10]      ipv6_find_idev+0x102/0x170
[ 3483.324285][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.324285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.324285][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.324285][   T10]      netlink_unicast+0x449/0x710
[ 3483.324285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.324285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.324285][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.324285][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.324285][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.324285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.324285][   T10] 
[ 3483.326084][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3483.326084][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3483.326084][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3483.326084][   T10]      ipv6_find_idev+0x102/0x170
[ 3483.326084][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3483.326084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3483.326084][   T10]      netlink_rcv_skb+0x130/0x360
[ 3483.326084][   T10]      netlink_unicast+0x449/0x710
[ 3483.326084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3483.326084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3483.326084][   T10]      ___sys_sendmsg+0xee/0x170
[ 3483.326084][   T10]      __sys_sendmsg+0xcd/0x170
[ 3483.326084][   T10]      do_syscall_64+0xc6/0x1e0
[ 3483.326084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3483.326084][   T10] 
[ 3493.568794][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3493.569567][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.569567][   T10]      dst_init+0x84/0x4a0
[ 3493.569567][   T10]      dst_alloc+0x97/0x150
[ 3493.569567][   T10]      ip6_dst_alloc+0x23/0x90
[ 3493.569567][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3493.569567][   T10]      ip6_pol_route+0x56f/0x840
[ 3493.569567][   T10]      fib6_rule_lookup+0x456/0x630
[ 3493.569567][   T10]      ip6_route_input+0x59c/0xa50
[ 3493.569567][   T10]      ipv6_rcv+0x397/0x810
[ 3493.569567][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3493.569567][   T10]      process_backlog+0x101/0x620
[ 3493.569567][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3493.569567][   T10]      net_rx_action+0x495/0xbe0
[ 3493.569567][   T10]      __do_softirq+0x1b5/0x7f6
[ 3493.569567][   T10] 
[ 3493.571143][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.571143][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3493.571143][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3493.571143][   T10]      fib6_nh_init+0xa22/0x1580
[ 3493.571143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.571143][   T10]      ip6_route_add+0x1c/0x140
[ 3493.571143][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3493.571143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.571143][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.571143][   T10]      netlink_unicast+0x449/0x710
[ 3493.571143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.571143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.571143][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.571143][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.571143][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.571143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.571143][   T10] 
[ 3493.572923][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.572923][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.572923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.572923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.572923][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3493.572923][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3493.572923][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3493.572923][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3493.572923][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3493.572923][   T10]      addrconf_dad_begin+0x310/0x670
[ 3493.572923][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3493.572923][   T10]      process_one_work+0x84d/0x18a0
[ 3493.572923][   T10]      worker_thread+0x587/0xd30
[ 3493.572923][   T10]      kthread+0x28a/0x350
[ 3493.572923][   T10]      ret_from_fork+0x31/0x70
[ 3493.572923][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3493.572923][   T10] 
[ 3493.574749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.574749][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.574749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.574749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.574749][   T10]      ip6_route_add+0x1c/0x140
[ 3493.574749][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3493.574749][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3493.574749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.574749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.574749][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.574749][   T10]      netlink_unicast+0x449/0x710
[ 3493.574749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.574749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.574749][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.574749][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.574749][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.574749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.574749][   T10] 
[ 3493.576706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.576706][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.576706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.576706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.576706][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3493.576706][   T10]      ipv6_add_addr+0x411/0x2000
[ 3493.576706][   T10]      inet6_addr_add+0x30e/0xa40
[ 3493.576706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.576706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.576706][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.576706][   T10]      netlink_unicast+0x449/0x710
[ 3493.576706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.576706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.576706][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.576706][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.576706][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.576706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.576706][   T10] 
[ 3493.578739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.578739][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.578739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.578739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.578739][   T10]      ip6_route_add+0x1c/0x140
[ 3493.578739][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3493.578739][   T10]      addrconf_add_dev+0xe2/0x170
[ 3493.578739][   T10]      inet6_addr_add+0x12f/0xa40
[ 3493.578739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.578739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.578739][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.578739][   T10]      netlink_unicast+0x449/0x710
[ 3493.578739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.578739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.578739][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.578739][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.578739][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.578739][   T10] 
[ 3493.580737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.580737][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3493.580737][   T10]      ipv6_find_idev+0x102/0x170
[ 3493.580737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3493.580737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.580737][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.580737][   T10]      netlink_unicast+0x449/0x710
[ 3493.580737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.580737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.580737][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.580737][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.580737][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.580737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.580737][   T10] 
[ 3493.582252][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3493.582252][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3493.582252][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3493.582252][   T10]      ipv6_find_idev+0x102/0x170
[ 3493.582252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3493.582252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.582252][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.582252][   T10]      netlink_unicast+0x449/0x710
[ 3493.582252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.582252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.582252][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.582252][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.582252][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.582252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.582252][   T10] 
[ 3493.583945][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3493.584213][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.584213][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3493.584213][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3493.584213][   T10]      fib6_nh_init+0xa22/0x1580
[ 3493.584213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.584213][   T10]      ip6_route_add+0x1c/0x140
[ 3493.584213][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3493.584213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.584213][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.584213][   T10]      netlink_unicast+0x449/0x710
[ 3493.584213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.584213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.584213][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.584213][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.584213][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.584213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.584213][   T10] 
[ 3493.586126][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.586126][   T10]      dst_init+0x84/0x4a0
[ 3493.586126][   T10]      dst_alloc+0x97/0x150
[ 3493.586126][   T10]      ip6_dst_alloc+0x23/0x90
[ 3493.586126][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3493.586126][   T10]      ip6_pol_route+0x56f/0x840
[ 3493.586126][   T10]      fib6_rule_lookup+0x456/0x630
[ 3493.586126][   T10]      ip6_route_input+0x59c/0xa50
[ 3493.586126][   T10]      ipv6_rcv+0x397/0x810
[ 3493.586126][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3493.586126][   T10]      process_backlog+0x101/0x620
[ 3493.586126][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3493.586126][   T10]      net_rx_action+0x495/0xbe0
[ 3493.586126][   T10]      __do_softirq+0x1b5/0x7f6
[ 3493.586126][   T10] 
[ 3493.587788][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.587788][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.587788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.587788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.587788][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3493.587788][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3493.587788][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3493.587788][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3493.587788][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3493.587788][   T10]      addrconf_dad_begin+0x310/0x670
[ 3493.587788][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3493.587788][   T10]      process_one_work+0x84d/0x18a0
[ 3493.587788][   T10]      worker_thread+0x587/0xd30
[ 3493.587788][   T10]      kthread+0x28a/0x350
[ 3493.587788][   T10]      ret_from_fork+0x31/0x70
[ 3493.587788][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3493.587788][   T10] 
[ 3493.589752][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.589752][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.589752][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.589752][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.589752][   T10]      ip6_route_add+0x1c/0x140
[ 3493.589752][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3493.589752][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3493.589752][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.589752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.589752][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.589752][   T10]      netlink_unicast+0x449/0x710
[ 3493.589752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.589752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.589752][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.589752][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.589752][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.589752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.589752][   T10] 
[ 3493.591768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.591768][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.591768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.591768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.591768][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3493.591768][   T10]      ipv6_add_addr+0x411/0x2000
[ 3493.591768][   T10]      inet6_addr_add+0x30e/0xa40
[ 3493.591768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.591768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.591768][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.591768][   T10]      netlink_unicast+0x449/0x710
[ 3493.591768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.591768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.591768][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.591768][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.591768][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.591768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.591768][   T10] 
[ 3493.593726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.593726][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.593726][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.593726][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.593726][   T10]      ip6_route_add+0x1c/0x140
[ 3493.593726][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3493.593726][   T10]      addrconf_add_dev+0xe2/0x170
[ 3493.593726][   T10]      inet6_addr_add+0x12f/0xa40
[ 3493.593726][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.593726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.593726][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.593726][   T10]      netlink_unicast+0x449/0x710
[ 3493.593726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.593726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.593726][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.593726][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.593726][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.593726][   T10] 
[ 3493.595789][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.595789][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3493.595789][   T10]      ipv6_find_idev+0x102/0x170
[ 3493.595789][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3493.595789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.595789][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.595789][   T10]      netlink_unicast+0x449/0x710
[ 3493.595789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.595789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.595789][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.595789][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.595789][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.595789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.595789][   T10] 
[ 3493.597389][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3493.597389][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3493.597389][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3493.597389][   T10]      ipv6_find_idev+0x102/0x170
[ 3493.597389][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3493.597389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.597389][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.597389][   T10]      netlink_unicast+0x449/0x710
[ 3493.597389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.597389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.597389][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.597389][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.597389][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.597389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.597389][   T10] 
[ 3493.599217][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3493.599463][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3493.599463][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.599463][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.599463][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.599463][   T10]      ip6_route_add+0x1c/0x140
[ 3493.599463][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3493.599463][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3493.599463][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.599463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.599463][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.599463][   T10]      netlink_unicast+0x449/0x710
[ 3493.599463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.599463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.599463][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.599463][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.599463][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.599463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.599463][   T10] 
[ 3493.601653][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3493.601653][   T10]      netdev_get_by_index+0x5e/0x80
[ 3493.601653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3493.601653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3493.601653][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3493.601653][   T10]      ipv6_add_addr+0x411/0x2000
[ 3493.601653][   T10]      inet6_addr_add+0x30e/0xa40
[ 3493.601653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3493.601653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.601653][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.601653][   T10]      netlink_unicast+0x449/0x710
[ 3493.601653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.601653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.601653][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.601653][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.601653][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.601653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.601653][   T10] 
[ 3493.603820][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3493.603820][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3493.603820][   T10]      ipv6_find_idev+0x102/0x170
[ 3493.603820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3493.603820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.603820][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.603820][   T10]      netlink_unicast+0x449/0x710
[ 3493.603820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.603820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.603820][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.603820][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.603820][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.603820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.603820][   T10] 
[ 3493.605536][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3493.605536][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3493.605536][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3493.605536][   T10]      ipv6_find_idev+0x102/0x170
[ 3493.605536][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3493.605536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3493.605536][   T10]      netlink_rcv_skb+0x130/0x360
[ 3493.605536][   T10]      netlink_unicast+0x449/0x710
[ 3493.605536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3493.605536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3493.605536][   T10]      ___sys_sendmsg+0xee/0x170
[ 3493.605536][   T10]      __sys_sendmsg+0xcd/0x170
[ 3493.605536][   T10]      do_syscall_64+0xc6/0x1e0
[ 3493.605536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3493.605536][   T10] 
[ 3503.848780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3503.849479][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.849479][   T10]      dst_init+0x84/0x4a0
[ 3503.849479][   T10]      dst_alloc+0x97/0x150
[ 3503.849479][   T10]      ip6_dst_alloc+0x23/0x90
[ 3503.849479][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3503.849479][   T10]      ip6_pol_route+0x56f/0x840
[ 3503.849479][   T10]      fib6_rule_lookup+0x456/0x630
[ 3503.849479][   T10]      ip6_route_input+0x59c/0xa50
[ 3503.849479][   T10]      ipv6_rcv+0x397/0x810
[ 3503.849479][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3503.849479][   T10]      process_backlog+0x101/0x620
[ 3503.849479][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3503.849479][   T10]      net_rx_action+0x495/0xbe0
[ 3503.849479][   T10]      __do_softirq+0x1b5/0x7f6
[ 3503.849479][   T10] 
[ 3503.851107][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.851107][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3503.851107][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3503.851107][   T10]      fib6_nh_init+0xa22/0x1580
[ 3503.851107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.851107][   T10]      ip6_route_add+0x1c/0x140
[ 3503.851107][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3503.851107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.851107][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.851107][   T10]      netlink_unicast+0x449/0x710
[ 3503.851107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.851107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.851107][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.851107][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.851107][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.851107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.851107][   T10] 
[ 3503.852969][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.852969][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.852969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.852969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.852969][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3503.852969][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3503.852969][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3503.852969][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3503.852969][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3503.852969][   T10]      addrconf_dad_begin+0x310/0x670
[ 3503.852969][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3503.852969][   T10]      process_one_work+0x84d/0x18a0
[ 3503.852969][   T10]      worker_thread+0x587/0xd30
[ 3503.852969][   T10]      kthread+0x28a/0x350
[ 3503.852969][   T10]      ret_from_fork+0x31/0x70
[ 3503.852969][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3503.852969][   T10] 
[ 3503.854795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.854795][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.854795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.854795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.854795][   T10]      ip6_route_add+0x1c/0x140
[ 3503.854795][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3503.854795][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3503.854795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.854795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.854795][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.854795][   T10]      netlink_unicast+0x449/0x710
[ 3503.854795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.854795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.854795][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.854795][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.854795][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.854795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.854795][   T10] 
[ 3503.856668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.856668][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.856668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.856668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.856668][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3503.856668][   T10]      ipv6_add_addr+0x411/0x2000
[ 3503.856668][   T10]      inet6_addr_add+0x30e/0xa40
[ 3503.856668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.856668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.856668][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.856668][   T10]      netlink_unicast+0x449/0x710
[ 3503.856668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.856668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.856668][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.856668][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.856668][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.856668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.856668][   T10] 
[ 3503.858608][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.858608][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.858608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.858608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.858608][   T10]      ip6_route_add+0x1c/0x140
[ 3503.858608][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3503.858608][   T10]      addrconf_add_dev+0xe2/0x170
[ 3503.858608][   T10]      inet6_addr_add+0x12f/0xa40
[ 3503.858608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.858608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.858608][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.858608][   T10]      netlink_unicast+0x449/0x710
[ 3503.858608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.858608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.858608][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.858608][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.858608][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.858608][   T10] 
[ 3503.860622][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.860622][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3503.860622][   T10]      ipv6_find_idev+0x102/0x170
[ 3503.860622][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3503.860622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.860622][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.860622][   T10]      netlink_unicast+0x449/0x710
[ 3503.860622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.860622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.860622][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.860622][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.860622][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.860622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.860622][   T10] 
[ 3503.862219][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3503.862219][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3503.862219][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3503.862219][   T10]      ipv6_find_idev+0x102/0x170
[ 3503.862219][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3503.862219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.862219][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.862219][   T10]      netlink_unicast+0x449/0x710
[ 3503.862219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.862219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.862219][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.862219][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.862219][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.862219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.862219][   T10] 
[ 3503.864027][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3503.864271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.864271][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3503.864271][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3503.864271][   T10]      fib6_nh_init+0xa22/0x1580
[ 3503.864271][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.864271][   T10]      ip6_route_add+0x1c/0x140
[ 3503.864271][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3503.864271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.864271][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.864271][   T10]      netlink_unicast+0x449/0x710
[ 3503.864271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.864271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.864271][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.864271][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.864271][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.864271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.864271][   T10] 
[ 3503.866153][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.866153][   T10]      dst_init+0x84/0x4a0
[ 3503.866153][   T10]      dst_alloc+0x97/0x150
[ 3503.866153][   T10]      ip6_dst_alloc+0x23/0x90
[ 3503.866153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3503.866153][   T10]      ip6_pol_route+0x56f/0x840
[ 3503.866153][   T10]      fib6_rule_lookup+0x456/0x630
[ 3503.866153][   T10]      ip6_route_input+0x59c/0xa50
[ 3503.866153][   T10]      ipv6_rcv+0x397/0x810
[ 3503.866153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3503.866153][   T10]      process_backlog+0x101/0x620
[ 3503.866153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3503.866153][   T10]      net_rx_action+0x495/0xbe0
[ 3503.866153][   T10]      __do_softirq+0x1b5/0x7f6
[ 3503.866153][   T10] 
[ 3503.867791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.867791][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.867791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.867791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.867791][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3503.867791][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3503.867791][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3503.867791][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3503.867791][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3503.867791][   T10]      addrconf_dad_begin+0x310/0x670
[ 3503.867791][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3503.867791][   T10]      process_one_work+0x84d/0x18a0
[ 3503.867791][   T10]      worker_thread+0x587/0xd30
[ 3503.867791][   T10]      kthread+0x28a/0x350
[ 3503.867791][   T10]      ret_from_fork+0x31/0x70
[ 3503.867791][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3503.867791][   T10] 
[ 3503.869754][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.869754][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.869754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.869754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.869754][   T10]      ip6_route_add+0x1c/0x140
[ 3503.869754][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3503.869754][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3503.869754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.869754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.869754][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.869754][   T10]      netlink_unicast+0x449/0x710
[ 3503.869754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.869754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.869754][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.869754][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.869754][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.869754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.869754][   T10] 
[ 3503.871784][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.871784][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.871784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.871784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.871784][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3503.871784][   T10]      ipv6_add_addr+0x411/0x2000
[ 3503.871784][   T10]      inet6_addr_add+0x30e/0xa40
[ 3503.871784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.871784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.871784][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.871784][   T10]      netlink_unicast+0x449/0x710
[ 3503.871784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.871784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.871784][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.871784][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.871784][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.871784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.871784][   T10] 
[ 3503.873810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.873810][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.873810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.873810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.873810][   T10]      ip6_route_add+0x1c/0x140
[ 3503.873810][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3503.873810][   T10]      addrconf_add_dev+0xe2/0x170
[ 3503.873810][   T10]      inet6_addr_add+0x12f/0xa40
[ 3503.873810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.873810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.873810][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.873810][   T10]      netlink_unicast+0x449/0x710
[ 3503.873810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.873810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.873810][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.873810][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.873810][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.873810][   T10] 
[ 3503.876514][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.876514][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3503.876514][   T10]      ipv6_find_idev+0x102/0x170
[ 3503.876514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3503.876514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.876514][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.876514][   T10]      netlink_unicast+0x449/0x710
[ 3503.876514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.876514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.876514][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.876514][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.876514][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.876514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.876514][   T10] 
[ 3503.878333][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3503.878333][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3503.878333][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3503.878333][   T10]      ipv6_find_idev+0x102/0x170
[ 3503.878333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3503.878333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.878333][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.878333][   T10]      netlink_unicast+0x449/0x710
[ 3503.878333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.878333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.878333][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.878333][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.878333][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.878333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.878333][   T10] 
[ 3503.880278][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3503.880524][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3503.880524][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.880524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.880524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.880524][   T10]      ip6_route_add+0x1c/0x140
[ 3503.880524][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3503.880524][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3503.880524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.880524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.880524][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.880524][   T10]      netlink_unicast+0x449/0x710
[ 3503.880524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.880524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.880524][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.880524][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.880524][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.880524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.880524][   T10] 
[ 3503.882793][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3503.882793][   T10]      netdev_get_by_index+0x5e/0x80
[ 3503.882793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3503.882793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3503.882793][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3503.882793][   T10]      ipv6_add_addr+0x411/0x2000
[ 3503.882793][   T10]      inet6_addr_add+0x30e/0xa40
[ 3503.882793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3503.882793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.882793][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.882793][   T10]      netlink_unicast+0x449/0x710
[ 3503.882793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.882793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.882793][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.882793][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.882793][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.882793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.882793][   T10] 
[ 3503.885060][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3503.885060][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3503.885060][   T10]      ipv6_find_idev+0x102/0x170
[ 3503.885060][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3503.885060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.885060][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.885060][   T10]      netlink_unicast+0x449/0x710
[ 3503.885060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.885060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.885060][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.885060][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.885060][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.885060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.885060][   T10] 
[ 3503.886862][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3503.886862][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3503.886862][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3503.886862][   T10]      ipv6_find_idev+0x102/0x170
[ 3503.886862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3503.886862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3503.886862][   T10]      netlink_rcv_skb+0x130/0x360
[ 3503.886862][   T10]      netlink_unicast+0x449/0x710
[ 3503.886862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3503.886862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3503.886862][   T10]      ___sys_sendmsg+0xee/0x170
[ 3503.886862][   T10]      __sys_sendmsg+0xcd/0x170
[ 3503.886862][   T10]      do_syscall_64+0xc6/0x1e0
[ 3503.886862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3503.886862][   T10] 
[ 3514.128845][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3514.129605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.129605][   T10]      dst_init+0x84/0x4a0
[ 3514.129605][   T10]      dst_alloc+0x97/0x150
[ 3514.129605][   T10]      ip6_dst_alloc+0x23/0x90
[ 3514.129605][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3514.129605][   T10]      ip6_pol_route+0x56f/0x840
[ 3514.129605][   T10]      fib6_rule_lookup+0x456/0x630
[ 3514.129605][   T10]      ip6_route_input+0x59c/0xa50
[ 3514.129605][   T10]      ipv6_rcv+0x397/0x810
[ 3514.129605][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3514.129605][   T10]      process_backlog+0x101/0x620
[ 3514.129605][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3514.129605][   T10]      net_rx_action+0x495/0xbe0
[ 3514.129605][   T10]      __do_softirq+0x1b5/0x7f6
[ 3514.129605][   T10] 
[ 3514.131293][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.131293][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3514.131293][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3514.131293][   T10]      fib6_nh_init+0xa22/0x1580
[ 3514.131293][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.131293][   T10]      ip6_route_add+0x1c/0x140
[ 3514.131293][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3514.131293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.131293][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.131293][   T10]      netlink_unicast+0x449/0x710
[ 3514.131293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.131293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.131293][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.131293][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.131293][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.131293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.131293][   T10] 
[ 3514.133184][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.133184][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.133184][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.133184][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.133184][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3514.133184][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3514.133184][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3514.133184][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3514.133184][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3514.133184][   T10]      addrconf_dad_begin+0x310/0x670
[ 3514.133184][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3514.133184][   T10]      process_one_work+0x84d/0x18a0
[ 3514.133184][   T10]      worker_thread+0x587/0xd30
[ 3514.133184][   T10]      kthread+0x28a/0x350
[ 3514.133184][   T10]      ret_from_fork+0x31/0x70
[ 3514.133184][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3514.133184][   T10] 
[ 3514.135060][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.135060][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.135060][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.135060][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.135060][   T10]      ip6_route_add+0x1c/0x140
[ 3514.135060][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3514.135060][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3514.135060][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.135060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.135060][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.135060][   T10]      netlink_unicast+0x449/0x710
[ 3514.135060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.135060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.135060][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.135060][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.135060][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.135060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.135060][   T10] 
[ 3514.137455][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.137455][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.137455][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.137455][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.137455][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3514.137455][   T10]      ipv6_add_addr+0x411/0x2000
[ 3514.137455][   T10]      inet6_addr_add+0x30e/0xa40
[ 3514.137455][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.137455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.137455][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.137455][   T10]      netlink_unicast+0x449/0x710
[ 3514.137455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.137455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.137455][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.137455][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.137455][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.137455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.137455][   T10] 
[ 3514.139452][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.139452][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.139452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.139452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.139452][   T10]      ip6_route_add+0x1c/0x140
[ 3514.139452][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3514.139452][   T10]      addrconf_add_dev+0xe2/0x170
[ 3514.139452][   T10]      inet6_addr_add+0x12f/0xa40
[ 3514.139452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.139452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.139452][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.139452][   T10]      netlink_unicast+0x449/0x710
[ 3514.139452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.139452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.139452][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.139452][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.139452][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.139452][   T10] 
[ 3514.141441][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.141441][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3514.141441][   T10]      ipv6_find_idev+0x102/0x170
[ 3514.141441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.141441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.141441][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.141441][   T10]      netlink_unicast+0x449/0x710
[ 3514.141441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.141441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.141441][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.141441][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.141441][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.141441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.141441][   T10] 
[ 3514.143015][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3514.143015][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3514.143015][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3514.143015][   T10]      ipv6_find_idev+0x102/0x170
[ 3514.143015][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.143015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.143015][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.143015][   T10]      netlink_unicast+0x449/0x710
[ 3514.143015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.143015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.143015][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.143015][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.143015][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.143015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.143015][   T10] 
[ 3514.144708][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3514.144965][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.144965][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3514.144965][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3514.144965][   T10]      fib6_nh_init+0xa22/0x1580
[ 3514.144965][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.144965][   T10]      ip6_route_add+0x1c/0x140
[ 3514.144965][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3514.144965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.144965][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.144965][   T10]      netlink_unicast+0x449/0x710
[ 3514.144965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.144965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.144965][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.144965][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.144965][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.144965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.144965][   T10] 
[ 3514.146869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.146869][   T10]      dst_init+0x84/0x4a0
[ 3514.146869][   T10]      dst_alloc+0x97/0x150
[ 3514.146869][   T10]      ip6_dst_alloc+0x23/0x90
[ 3514.146869][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3514.146869][   T10]      ip6_pol_route+0x56f/0x840
[ 3514.146869][   T10]      fib6_rule_lookup+0x456/0x630
[ 3514.146869][   T10]      ip6_route_input+0x59c/0xa50
[ 3514.146869][   T10]      ipv6_rcv+0x397/0x810
[ 3514.146869][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3514.146869][   T10]      process_backlog+0x101/0x620
[ 3514.146869][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3514.146869][   T10]      net_rx_action+0x495/0xbe0
[ 3514.146869][   T10]      __do_softirq+0x1b5/0x7f6
[ 3514.146869][   T10] 
[ 3514.148462][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.148462][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.148462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.148462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.148462][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3514.148462][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3514.148462][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3514.148462][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3514.148462][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3514.148462][   T10]      addrconf_dad_begin+0x310/0x670
[ 3514.148462][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3514.148462][   T10]      process_one_work+0x84d/0x18a0
[ 3514.148462][   T10]      worker_thread+0x587/0xd30
[ 3514.148462][   T10]      kthread+0x28a/0x350
[ 3514.148462][   T10]      ret_from_fork+0x31/0x70
[ 3514.148462][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3514.148462][   T10] 
[ 3514.150429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.150429][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.150429][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.150429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.150429][   T10]      ip6_route_add+0x1c/0x140
[ 3514.150429][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3514.150429][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3514.150429][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.150429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.150429][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.150429][   T10]      netlink_unicast+0x449/0x710
[ 3514.150429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.150429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.150429][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.150429][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.150429][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.150429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.150429][   T10] 
[ 3514.152459][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.152459][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.152459][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.152459][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.152459][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3514.152459][   T10]      ipv6_add_addr+0x411/0x2000
[ 3514.152459][   T10]      inet6_addr_add+0x30e/0xa40
[ 3514.152459][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.152459][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.152459][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.152459][   T10]      netlink_unicast+0x449/0x710
[ 3514.152459][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.152459][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.152459][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.152459][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.152459][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.152459][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.152459][   T10] 
[ 3514.154435][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.154435][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.154435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.154435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.154435][   T10]      ip6_route_add+0x1c/0x140
[ 3514.154435][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3514.154435][   T10]      addrconf_add_dev+0xe2/0x170
[ 3514.154435][   T10]      inet6_addr_add+0x12f/0xa40
[ 3514.154435][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.154435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.154435][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.154435][   T10]      netlink_unicast+0x449/0x710
[ 3514.154435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.154435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.154435][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.154435][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.154435][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.154435][   T10] 
[ 3514.156623][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.156623][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3514.156623][   T10]      ipv6_find_idev+0x102/0x170
[ 3514.156623][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.156623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.156623][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.156623][   T10]      netlink_unicast+0x449/0x710
[ 3514.156623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.156623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.156623][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.156623][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.156623][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.156623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.156623][   T10] 
[ 3514.158318][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3514.158318][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3514.158318][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3514.158318][   T10]      ipv6_find_idev+0x102/0x170
[ 3514.158318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.158318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.158318][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.158318][   T10]      netlink_unicast+0x449/0x710
[ 3514.158318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.158318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.158318][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.158318][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.158318][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.158318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.158318][   T10] 
[ 3514.160274][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3514.160524][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3514.160524][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.160524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.160524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.160524][   T10]      ip6_route_add+0x1c/0x140
[ 3514.160524][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3514.160524][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3514.160524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.160524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.160524][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.160524][   T10]      netlink_unicast+0x449/0x710
[ 3514.160524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.160524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.160524][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.160524][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.160524][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.160524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.160524][   T10] 
[ 3514.162812][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3514.162812][   T10]      netdev_get_by_index+0x5e/0x80
[ 3514.162812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3514.162812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3514.162812][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3514.162812][   T10]      ipv6_add_addr+0x411/0x2000
[ 3514.162812][   T10]      inet6_addr_add+0x30e/0xa40
[ 3514.162812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3514.162812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.162812][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.162812][   T10]      netlink_unicast+0x449/0x710
[ 3514.162812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.162812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.162812][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.162812][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.162812][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.162812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.162812][   T10] 
[ 3514.165067][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3514.165067][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3514.165067][   T10]      ipv6_find_idev+0x102/0x170
[ 3514.165067][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.165067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.165067][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.165067][   T10]      netlink_unicast+0x449/0x710
[ 3514.165067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.165067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.165067][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.165067][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.165067][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.165067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.165067][   T10] 
[ 3514.166802][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3514.166802][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3514.166802][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3514.166802][   T10]      ipv6_find_idev+0x102/0x170
[ 3514.166802][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3514.166802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3514.166802][   T10]      netlink_rcv_skb+0x130/0x360
[ 3514.166802][   T10]      netlink_unicast+0x449/0x710
[ 3514.166802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3514.166802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3514.166802][   T10]      ___sys_sendmsg+0xee/0x170
[ 3514.166802][   T10]      __sys_sendmsg+0xcd/0x170
[ 3514.166802][   T10]      do_syscall_64+0xc6/0x1e0
[ 3514.166802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3514.166802][   T10] 
[ 3524.352769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3524.353408][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.353408][   T10]      dst_init+0x84/0x4a0
[ 3524.353408][   T10]      dst_alloc+0x97/0x150
[ 3524.353408][   T10]      ip6_dst_alloc+0x23/0x90
[ 3524.353408][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3524.353408][   T10]      ip6_pol_route+0x56f/0x840
[ 3524.353408][   T10]      fib6_rule_lookup+0x456/0x630
[ 3524.353408][   T10]      ip6_route_input+0x59c/0xa50
[ 3524.353408][   T10]      ipv6_rcv+0x397/0x810
[ 3524.353408][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3524.353408][   T10]      process_backlog+0x101/0x620
[ 3524.353408][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3524.353408][   T10]      net_rx_action+0x495/0xbe0
[ 3524.353408][   T10]      __do_softirq+0x1b5/0x7f6
[ 3524.353408][   T10] 
[ 3524.355038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.355038][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3524.355038][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3524.355038][   T10]      fib6_nh_init+0xa22/0x1580
[ 3524.355038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.355038][   T10]      ip6_route_add+0x1c/0x140
[ 3524.355038][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3524.355038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.355038][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.355038][   T10]      netlink_unicast+0x449/0x710
[ 3524.355038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.355038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.355038][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.355038][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.355038][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.355038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.355038][   T10] 
[ 3524.356963][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.356963][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.356963][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.356963][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.356963][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3524.356963][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3524.356963][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3524.356963][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3524.356963][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3524.356963][   T10]      addrconf_dad_begin+0x310/0x670
[ 3524.356963][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3524.356963][   T10]      process_one_work+0x84d/0x18a0
[ 3524.356963][   T10]      worker_thread+0x587/0xd30
[ 3524.356963][   T10]      kthread+0x28a/0x350
[ 3524.356963][   T10]      ret_from_fork+0x31/0x70
[ 3524.356963][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3524.356963][   T10] 
[ 3524.358878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.358878][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.358878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.358878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.358878][   T10]      ip6_route_add+0x1c/0x140
[ 3524.358878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3524.358878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3524.358878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.358878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.358878][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.358878][   T10]      netlink_unicast+0x449/0x710
[ 3524.358878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.358878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.358878][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.358878][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.358878][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.358878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.358878][   T10] 
[ 3524.360911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.360911][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.360911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.360911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.360911][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3524.360911][   T10]      ipv6_add_addr+0x411/0x2000
[ 3524.360911][   T10]      inet6_addr_add+0x30e/0xa40
[ 3524.360911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.360911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.360911][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.360911][   T10]      netlink_unicast+0x449/0x710
[ 3524.360911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.360911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.360911][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.360911][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.360911][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.360911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.360911][   T10] 
[ 3524.362873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.362873][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.362873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.362873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.362873][   T10]      ip6_route_add+0x1c/0x140
[ 3524.362873][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3524.362873][   T10]      addrconf_add_dev+0xe2/0x170
[ 3524.362873][   T10]      inet6_addr_add+0x12f/0xa40
[ 3524.362873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.362873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.362873][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.362873][   T10]      netlink_unicast+0x449/0x710
[ 3524.362873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.362873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.362873][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.362873][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.362873][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.362873][   T10] 
[ 3524.364862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.364862][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3524.364862][   T10]      ipv6_find_idev+0x102/0x170
[ 3524.364862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.364862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.364862][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.364862][   T10]      netlink_unicast+0x449/0x710
[ 3524.364862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.364862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.364862][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.364862][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.364862][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.364862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.364862][   T10] 
[ 3524.366388][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3524.366388][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3524.366388][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3524.366388][   T10]      ipv6_find_idev+0x102/0x170
[ 3524.366388][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.366388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.366388][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.366388][   T10]      netlink_unicast+0x449/0x710
[ 3524.366388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.366388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.366388][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.366388][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.366388][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.366388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.366388][   T10] 
[ 3524.368056][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3524.368315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.368315][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3524.368315][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3524.368315][   T10]      fib6_nh_init+0xa22/0x1580
[ 3524.368315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.368315][   T10]      ip6_route_add+0x1c/0x140
[ 3524.368315][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3524.368315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.368315][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.368315][   T10]      netlink_unicast+0x449/0x710
[ 3524.368315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.368315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.368315][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.368315][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.368315][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.368315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.368315][   T10] 
[ 3524.370225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.370225][   T10]      dst_init+0x84/0x4a0
[ 3524.370225][   T10]      dst_alloc+0x97/0x150
[ 3524.370225][   T10]      ip6_dst_alloc+0x23/0x90
[ 3524.370225][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3524.370225][   T10]      ip6_pol_route+0x56f/0x840
[ 3524.370225][   T10]      fib6_rule_lookup+0x456/0x630
[ 3524.370225][   T10]      ip6_route_input+0x59c/0xa50
[ 3524.370225][   T10]      ipv6_rcv+0x397/0x810
[ 3524.370225][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3524.370225][   T10]      process_backlog+0x101/0x620
[ 3524.370225][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3524.370225][   T10]      net_rx_action+0x495/0xbe0
[ 3524.370225][   T10]      __do_softirq+0x1b5/0x7f6
[ 3524.370225][   T10] 
[ 3524.371809][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.371809][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.371809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.371809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.371809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3524.371809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3524.371809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3524.371809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3524.371809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3524.371809][   T10]      addrconf_dad_begin+0x310/0x670
[ 3524.371809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3524.371809][   T10]      process_one_work+0x84d/0x18a0
[ 3524.371809][   T10]      worker_thread+0x587/0xd30
[ 3524.371809][   T10]      kthread+0x28a/0x350
[ 3524.371809][   T10]      ret_from_fork+0x31/0x70
[ 3524.371809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3524.371809][   T10] 
[ 3524.373674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.373674][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.373674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.373674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.373674][   T10]      ip6_route_add+0x1c/0x140
[ 3524.373674][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3524.373674][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3524.373674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.373674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.373674][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.373674][   T10]      netlink_unicast+0x449/0x710
[ 3524.373674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.373674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.373674][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.373674][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.373674][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.373674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.373674][   T10] 
[ 3524.375626][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.375626][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.375626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.375626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.375626][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3524.375626][   T10]      ipv6_add_addr+0x411/0x2000
[ 3524.375626][   T10]      inet6_addr_add+0x30e/0xa40
[ 3524.375626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.375626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.375626][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.375626][   T10]      netlink_unicast+0x449/0x710
[ 3524.375626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.375626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.375626][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.375626][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.375626][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.375626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.375626][   T10] 
[ 3524.377599][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.377599][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.377599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.377599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.377599][   T10]      ip6_route_add+0x1c/0x140
[ 3524.377599][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3524.377599][   T10]      addrconf_add_dev+0xe2/0x170
[ 3524.377599][   T10]      inet6_addr_add+0x12f/0xa40
[ 3524.377599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.377599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.377599][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.377599][   T10]      netlink_unicast+0x449/0x710
[ 3524.377599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.377599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.377599][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.377599][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.377599][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.377599][   T10] 
[ 3524.379717][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.379717][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3524.379717][   T10]      ipv6_find_idev+0x102/0x170
[ 3524.379717][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.379717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.379717][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.379717][   T10]      netlink_unicast+0x449/0x710
[ 3524.379717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.379717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.379717][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.379717][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.379717][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.379717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.379717][   T10] 
[ 3524.381500][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3524.381500][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3524.381500][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3524.381500][   T10]      ipv6_find_idev+0x102/0x170
[ 3524.381500][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.381500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.381500][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.381500][   T10]      netlink_unicast+0x449/0x710
[ 3524.381500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.381500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.381500][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.381500][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.381500][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.381500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.381500][   T10] 
[ 3524.383347][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3524.383691][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3524.383691][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.383691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.383691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.383691][   T10]      ip6_route_add+0x1c/0x140
[ 3524.383691][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3524.383691][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3524.383691][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.383691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.383691][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.383691][   T10]      netlink_unicast+0x449/0x710
[ 3524.383691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.383691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.383691][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.383691][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.383691][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.383691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.383691][   T10] 
[ 3524.385863][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3524.385863][   T10]      netdev_get_by_index+0x5e/0x80
[ 3524.385863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3524.385863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3524.385863][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3524.385863][   T10]      ipv6_add_addr+0x411/0x2000
[ 3524.385863][   T10]      inet6_addr_add+0x30e/0xa40
[ 3524.385863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3524.385863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.385863][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.385863][   T10]      netlink_unicast+0x449/0x710
[ 3524.385863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.385863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.385863][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.385863][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.385863][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.385863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.385863][   T10] 
[ 3524.388030][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3524.388030][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3524.388030][   T10]      ipv6_find_idev+0x102/0x170
[ 3524.388030][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.388030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.388030][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.388030][   T10]      netlink_unicast+0x449/0x710
[ 3524.388030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.388030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.388030][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.388030][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.388030][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.388030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.388030][   T10] 
[ 3524.389750][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3524.389750][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3524.389750][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3524.389750][   T10]      ipv6_find_idev+0x102/0x170
[ 3524.389750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3524.389750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3524.389750][   T10]      netlink_rcv_skb+0x130/0x360
[ 3524.389750][   T10]      netlink_unicast+0x449/0x710
[ 3524.389750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3524.389750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3524.389750][   T10]      ___sys_sendmsg+0xee/0x170
[ 3524.389750][   T10]      __sys_sendmsg+0xcd/0x170
[ 3524.389750][   T10]      do_syscall_64+0xc6/0x1e0
[ 3524.389750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3524.389750][   T10] 
[ 3534.640785][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3534.641417][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.641417][   T10]      dst_init+0x84/0x4a0
[ 3534.641417][   T10]      dst_alloc+0x97/0x150
[ 3534.641417][   T10]      ip6_dst_alloc+0x23/0x90
[ 3534.641417][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3534.641417][   T10]      ip6_pol_route+0x56f/0x840
[ 3534.641417][   T10]      fib6_rule_lookup+0x456/0x630
[ 3534.641417][   T10]      ip6_route_input+0x59c/0xa50
[ 3534.641417][   T10]      ipv6_rcv+0x397/0x810
[ 3534.641417][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3534.641417][   T10]      process_backlog+0x101/0x620
[ 3534.641417][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3534.641417][   T10]      net_rx_action+0x495/0xbe0
[ 3534.641417][   T10]      __do_softirq+0x1b5/0x7f6
[ 3534.641417][   T10] 
[ 3534.643127][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.643127][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3534.643127][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3534.643127][   T10]      fib6_nh_init+0xa22/0x1580
[ 3534.643127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.643127][   T10]      ip6_route_add+0x1c/0x140
[ 3534.643127][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3534.643127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.643127][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.643127][   T10]      netlink_unicast+0x449/0x710
[ 3534.643127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.643127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.643127][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.643127][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.643127][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.643127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.643127][   T10] 
[ 3534.644995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.644995][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.644995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.644995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.644995][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3534.644995][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3534.644995][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3534.644995][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3534.644995][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3534.644995][   T10]      addrconf_dad_begin+0x310/0x670
[ 3534.644995][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3534.644995][   T10]      process_one_work+0x84d/0x18a0
[ 3534.644995][   T10]      worker_thread+0x587/0xd30
[ 3534.644995][   T10]      kthread+0x28a/0x350
[ 3534.644995][   T10]      ret_from_fork+0x31/0x70
[ 3534.644995][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3534.644995][   T10] 
[ 3534.646925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.646925][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.646925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.646925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.646925][   T10]      ip6_route_add+0x1c/0x140
[ 3534.646925][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3534.646925][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3534.646925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.646925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.646925][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.646925][   T10]      netlink_unicast+0x449/0x710
[ 3534.646925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.646925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.646925][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.646925][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.646925][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.646925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.646925][   T10] 
[ 3534.648956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.648956][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.648956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.648956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.648956][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3534.648956][   T10]      ipv6_add_addr+0x411/0x2000
[ 3534.648956][   T10]      inet6_addr_add+0x30e/0xa40
[ 3534.648956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.648956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.648956][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.648956][   T10]      netlink_unicast+0x449/0x710
[ 3534.648956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.648956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.648956][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.648956][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.648956][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.648956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.648956][   T10] 
[ 3534.650994][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.650994][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.650994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.650994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.650994][   T10]      ip6_route_add+0x1c/0x140
[ 3534.650994][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3534.650994][   T10]      addrconf_add_dev+0xe2/0x170
[ 3534.650994][   T10]      inet6_addr_add+0x12f/0xa40
[ 3534.650994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.650994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.650994][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.650994][   T10]      netlink_unicast+0x449/0x710
[ 3534.650994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.650994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.650994][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.650994][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.650994][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.650994][   T10] 
[ 3534.652991][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.652991][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3534.652991][   T10]      ipv6_find_idev+0x102/0x170
[ 3534.652991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3534.652991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.652991][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.652991][   T10]      netlink_unicast+0x449/0x710
[ 3534.652991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.652991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.652991][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.652991][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.652991][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.652991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.652991][   T10] 
[ 3534.654546][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3534.654546][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3534.654546][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3534.654546][   T10]      ipv6_find_idev+0x102/0x170
[ 3534.654546][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3534.654546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.654546][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.654546][   T10]      netlink_unicast+0x449/0x710
[ 3534.654546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.654546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.654546][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.654546][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.654546][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.654546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.654546][   T10] 
[ 3534.656243][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3534.656482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.656482][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3534.656482][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3534.656482][   T10]      fib6_nh_init+0xa22/0x1580
[ 3534.656482][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.656482][   T10]      ip6_route_add+0x1c/0x140
[ 3534.656482][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3534.656482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.656482][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.656482][   T10]      netlink_unicast+0x449/0x710
[ 3534.656482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.656482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.656482][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.656482][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.656482][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.656482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.656482][   T10] 
[ 3534.658333][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.658333][   T10]      dst_init+0x84/0x4a0
[ 3534.658333][   T10]      dst_alloc+0x97/0x150
[ 3534.658333][   T10]      ip6_dst_alloc+0x23/0x90
[ 3534.658333][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3534.658333][   T10]      ip6_pol_route+0x56f/0x840
[ 3534.658333][   T10]      fib6_rule_lookup+0x456/0x630
[ 3534.658333][   T10]      ip6_route_input+0x59c/0xa50
[ 3534.658333][   T10]      ipv6_rcv+0x397/0x810
[ 3534.658333][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3534.658333][   T10]      process_backlog+0x101/0x620
[ 3534.658333][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3534.658333][   T10]      net_rx_action+0x495/0xbe0
[ 3534.658333][   T10]      __do_softirq+0x1b5/0x7f6
[ 3534.658333][   T10] 
[ 3534.659946][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.659946][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.659946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.659946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.659946][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3534.659946][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3534.659946][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3534.659946][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3534.659946][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3534.659946][   T10]      addrconf_dad_begin+0x310/0x670
[ 3534.659946][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3534.659946][   T10]      process_one_work+0x84d/0x18a0
[ 3534.659946][   T10]      worker_thread+0x587/0xd30
[ 3534.659946][   T10]      kthread+0x28a/0x350
[ 3534.659946][   T10]      ret_from_fork+0x31/0x70
[ 3534.659946][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3534.659946][   T10] 
[ 3534.661871][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.661871][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.661871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.661871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.661871][   T10]      ip6_route_add+0x1c/0x140
[ 3534.661871][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3534.661871][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3534.661871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.661871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.661871][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.661871][   T10]      netlink_unicast+0x449/0x710
[ 3534.661871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.661871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.661871][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.661871][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.661871][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.661871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.661871][   T10] 
[ 3534.663858][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.663858][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.663858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.663858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.663858][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3534.663858][   T10]      ipv6_add_addr+0x411/0x2000
[ 3534.663858][   T10]      inet6_addr_add+0x30e/0xa40
[ 3534.663858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.663858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.663858][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.663858][   T10]      netlink_unicast+0x449/0x710
[ 3534.663858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.663858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.663858][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.663858][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.663858][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.663858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.663858][   T10] 
[ 3534.665842][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.665842][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.665842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.665842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.665842][   T10]      ip6_route_add+0x1c/0x140
[ 3534.665842][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3534.665842][   T10]      addrconf_add_dev+0xe2/0x170
[ 3534.665842][   T10]      inet6_addr_add+0x12f/0xa40
[ 3534.665842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.665842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.665842][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.665842][   T10]      netlink_unicast+0x449/0x710
[ 3534.665842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.665842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.665842][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.665842][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.665842][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.665842][   T10] 
[ 3534.667953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.667953][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3534.667953][   T10]      ipv6_find_idev+0x102/0x170
[ 3534.667953][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3534.667953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.667953][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.667953][   T10]      netlink_unicast+0x449/0x710
[ 3534.667953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.667953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.667953][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.667953][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.667953][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.667953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.667953][   T10] 
[ 3534.669747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3534.669747][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3534.669747][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3534.669747][   T10]      ipv6_find_idev+0x102/0x170
[ 3534.669747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3534.669747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.669747][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.669747][   T10]      netlink_unicast+0x449/0x710
[ 3534.669747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.669747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.669747][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.669747][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.669747][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.669747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.669747][   T10] 
[ 3534.671722][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3534.672044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3534.672044][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.672044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.672044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.672044][   T10]      ip6_route_add+0x1c/0x140
[ 3534.672044][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3534.672044][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3534.672044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.672044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.672044][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.672044][   T10]      netlink_unicast+0x449/0x710
[ 3534.672044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.672044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.672044][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.672044][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.672044][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.672044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.672044][   T10] 
[ 3534.674247][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3534.674247][   T10]      netdev_get_by_index+0x5e/0x80
[ 3534.674247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3534.674247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3534.674247][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3534.674247][   T10]      ipv6_add_addr+0x411/0x2000
[ 3534.674247][   T10]      inet6_addr_add+0x30e/0xa40
[ 3534.674247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3534.674247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.674247][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.674247][   T10]      netlink_unicast+0x449/0x710
[ 3534.674247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.674247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.674247][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.674247][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.674247][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.674247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.674247][   T10] 
[ 3534.676997][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3534.676997][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3534.676997][   T10]      ipv6_find_idev+0x102/0x170
[ 3534.676997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3534.676997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.676997][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.676997][   T10]      netlink_unicast+0x449/0x710
[ 3534.676997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.676997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.676997][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.676997][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.676997][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.676997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.676997][   T10] 
[ 3534.678718][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3534.678718][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3534.678718][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3534.678718][   T10]      ipv6_find_idev+0x102/0x170
[ 3534.678718][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3534.678718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3534.678718][   T10]      netlink_rcv_skb+0x130/0x360
[ 3534.678718][   T10]      netlink_unicast+0x449/0x710
[ 3534.678718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3534.678718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3534.678718][   T10]      ___sys_sendmsg+0xee/0x170
[ 3534.678718][   T10]      __sys_sendmsg+0xcd/0x170
[ 3534.678718][   T10]      do_syscall_64+0xc6/0x1e0
[ 3534.678718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3534.678718][   T10] 
[ 3544.928755][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3544.929566][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.929566][   T10]      dst_init+0x84/0x4a0
[ 3544.929566][   T10]      dst_alloc+0x97/0x150
[ 3544.929566][   T10]      ip6_dst_alloc+0x23/0x90
[ 3544.929566][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3544.929566][   T10]      ip6_pol_route+0x56f/0x840
[ 3544.929566][   T10]      fib6_rule_lookup+0x456/0x630
[ 3544.929566][   T10]      ip6_route_input+0x59c/0xa50
[ 3544.929566][   T10]      ipv6_rcv+0x397/0x810
[ 3544.929566][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3544.929566][   T10]      process_backlog+0x101/0x620
[ 3544.929566][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3544.929566][   T10]      net_rx_action+0x495/0xbe0
[ 3544.929566][   T10]      __do_softirq+0x1b5/0x7f6
[ 3544.929566][   T10] 
[ 3544.931264][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.931264][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3544.931264][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3544.931264][   T10]      fib6_nh_init+0xa22/0x1580
[ 3544.931264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.931264][   T10]      ip6_route_add+0x1c/0x140
[ 3544.931264][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3544.931264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.931264][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.931264][   T10]      netlink_unicast+0x449/0x710
[ 3544.931264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.931264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.931264][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.931264][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.931264][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.931264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.931264][   T10] 
[ 3544.933187][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.933187][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.933187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.933187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.933187][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3544.933187][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3544.933187][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3544.933187][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3544.933187][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3544.933187][   T10]      addrconf_dad_begin+0x310/0x670
[ 3544.933187][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3544.933187][   T10]      process_one_work+0x84d/0x18a0
[ 3544.933187][   T10]      worker_thread+0x587/0xd30
[ 3544.933187][   T10]      kthread+0x28a/0x350
[ 3544.933187][   T10]      ret_from_fork+0x31/0x70
[ 3544.933187][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3544.933187][   T10] 
[ 3544.935082][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.935082][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.935082][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.935082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.935082][   T10]      ip6_route_add+0x1c/0x140
[ 3544.935082][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3544.935082][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3544.935082][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.935082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.935082][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.935082][   T10]      netlink_unicast+0x449/0x710
[ 3544.935082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.935082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.935082][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.935082][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.935082][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.935082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.935082][   T10] 
[ 3544.937134][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.937134][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.937134][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.937134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.937134][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3544.937134][   T10]      ipv6_add_addr+0x411/0x2000
[ 3544.937134][   T10]      inet6_addr_add+0x30e/0xa40
[ 3544.937134][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.937134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.937134][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.937134][   T10]      netlink_unicast+0x449/0x710
[ 3544.937134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.937134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.937134][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.937134][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.937134][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.937134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.937134][   T10] 
[ 3544.939169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.939169][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.939169][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.939169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.939169][   T10]      ip6_route_add+0x1c/0x140
[ 3544.939169][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3544.939169][   T10]      addrconf_add_dev+0xe2/0x170
[ 3544.939169][   T10]      inet6_addr_add+0x12f/0xa40
[ 3544.939169][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.939169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.939169][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.939169][   T10]      netlink_unicast+0x449/0x710
[ 3544.939169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.939169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.939169][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.939169][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.939169][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.939169][   T10] 
[ 3544.941105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.941105][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3544.941105][   T10]      ipv6_find_idev+0x102/0x170
[ 3544.941105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3544.941105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.941105][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.941105][   T10]      netlink_unicast+0x449/0x710
[ 3544.941105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.941105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.941105][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.941105][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.941105][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.941105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.941105][   T10] 
[ 3544.942650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3544.942650][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3544.942650][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3544.942650][   T10]      ipv6_find_idev+0x102/0x170
[ 3544.942650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3544.942650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.942650][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.942650][   T10]      netlink_unicast+0x449/0x710
[ 3544.942650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.942650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.942650][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.942650][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.942650][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.942650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.942650][   T10] 
[ 3544.944350][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3544.944604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.944604][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3544.944604][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3544.944604][   T10]      fib6_nh_init+0xa22/0x1580
[ 3544.944604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.944604][   T10]      ip6_route_add+0x1c/0x140
[ 3544.944604][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3544.944604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.944604][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.944604][   T10]      netlink_unicast+0x449/0x710
[ 3544.944604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.944604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.944604][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.944604][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.944604][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.944604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.944604][   T10] 
[ 3544.946861][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.946861][   T10]      dst_init+0x84/0x4a0
[ 3544.946861][   T10]      dst_alloc+0x97/0x150
[ 3544.946861][   T10]      ip6_dst_alloc+0x23/0x90
[ 3544.946861][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3544.946861][   T10]      ip6_pol_route+0x56f/0x840
[ 3544.946861][   T10]      fib6_rule_lookup+0x456/0x630
[ 3544.946861][   T10]      ip6_route_input+0x59c/0xa50
[ 3544.946861][   T10]      ipv6_rcv+0x397/0x810
[ 3544.946861][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3544.946861][   T10]      process_backlog+0x101/0x620
[ 3544.946861][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3544.946861][   T10]      net_rx_action+0x495/0xbe0
[ 3544.946861][   T10]      __do_softirq+0x1b5/0x7f6
[ 3544.946861][   T10] 
[ 3544.948527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.948527][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.948527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.948527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.948527][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3544.948527][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3544.948527][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3544.948527][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3544.948527][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3544.948527][   T10]      addrconf_dad_begin+0x310/0x670
[ 3544.948527][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3544.948527][   T10]      process_one_work+0x84d/0x18a0
[ 3544.948527][   T10]      worker_thread+0x587/0xd30
[ 3544.948527][   T10]      kthread+0x28a/0x350
[ 3544.948527][   T10]      ret_from_fork+0x31/0x70
[ 3544.948527][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3544.948527][   T10] 
[ 3544.950452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.950452][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.950452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.950452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.950452][   T10]      ip6_route_add+0x1c/0x140
[ 3544.950452][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3544.950452][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3544.950452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.950452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.950452][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.950452][   T10]      netlink_unicast+0x449/0x710
[ 3544.950452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.950452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.950452][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.950452][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.950452][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.950452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.950452][   T10] 
[ 3544.952499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.952499][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.952499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.952499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.952499][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3544.952499][   T10]      ipv6_add_addr+0x411/0x2000
[ 3544.952499][   T10]      inet6_addr_add+0x30e/0xa40
[ 3544.952499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.952499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.952499][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.952499][   T10]      netlink_unicast+0x449/0x710
[ 3544.952499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.952499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.952499][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.952499][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.952499][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.952499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.952499][   T10] 
[ 3544.954515][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.954515][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.954515][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.954515][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.954515][   T10]      ip6_route_add+0x1c/0x140
[ 3544.954515][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3544.954515][   T10]      addrconf_add_dev+0xe2/0x170
[ 3544.954515][   T10]      inet6_addr_add+0x12f/0xa40
[ 3544.954515][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.954515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.954515][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.954515][   T10]      netlink_unicast+0x449/0x710
[ 3544.954515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.954515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.954515][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.954515][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.954515][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.954515][   T10] 
[ 3544.956596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.956596][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3544.956596][   T10]      ipv6_find_idev+0x102/0x170
[ 3544.956596][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3544.956596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.956596][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.956596][   T10]      netlink_unicast+0x449/0x710
[ 3544.956596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.956596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.956596][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.956596][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.956596][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.956596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.956596][   T10] 
[ 3544.958750][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3544.958750][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3544.958750][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3544.958750][   T10]      ipv6_find_idev+0x102/0x170
[ 3544.958750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3544.958750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.958750][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.958750][   T10]      netlink_unicast+0x449/0x710
[ 3544.958750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.958750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.958750][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.958750][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.958750][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.958750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.958750][   T10] 
[ 3544.960659][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3544.960984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3544.960984][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.960984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.960984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.960984][   T10]      ip6_route_add+0x1c/0x140
[ 3544.960984][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3544.960984][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3544.960984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.960984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.960984][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.960984][   T10]      netlink_unicast+0x449/0x710
[ 3544.960984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.960984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.960984][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.960984][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.960984][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.960984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.960984][   T10] 
[ 3544.963164][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3544.963164][   T10]      netdev_get_by_index+0x5e/0x80
[ 3544.963164][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3544.963164][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3544.963164][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3544.963164][   T10]      ipv6_add_addr+0x411/0x2000
[ 3544.963164][   T10]      inet6_addr_add+0x30e/0xa40
[ 3544.963164][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3544.963164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.963164][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.963164][   T10]      netlink_unicast+0x449/0x710
[ 3544.963164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.963164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.963164][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.963164][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.963164][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.963164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.963164][   T10] 
[ 3544.965274][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3544.965274][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3544.965274][   T10]      ipv6_find_idev+0x102/0x170
[ 3544.965274][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3544.965274][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.965274][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.965274][   T10]      netlink_unicast+0x449/0x710
[ 3544.965274][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.965274][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.965274][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.965274][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.965274][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.965274][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.965274][   T10] 
[ 3544.967001][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3544.967001][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3544.967001][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3544.967001][   T10]      ipv6_find_idev+0x102/0x170
[ 3544.967001][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3544.967001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3544.967001][   T10]      netlink_rcv_skb+0x130/0x360
[ 3544.967001][   T10]      netlink_unicast+0x449/0x710
[ 3544.967001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3544.967001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3544.967001][   T10]      ___sys_sendmsg+0xee/0x170
[ 3544.967001][   T10]      __sys_sendmsg+0xcd/0x170
[ 3544.967001][   T10]      do_syscall_64+0xc6/0x1e0
[ 3544.967001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3544.967001][   T10] 
[ 3555.200803][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3555.201522][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.201522][   T10]      dst_init+0x84/0x4a0
[ 3555.201522][   T10]      dst_alloc+0x97/0x150
[ 3555.201522][   T10]      ip6_dst_alloc+0x23/0x90
[ 3555.201522][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3555.201522][   T10]      ip6_pol_route+0x56f/0x840
[ 3555.201522][   T10]      fib6_rule_lookup+0x456/0x630
[ 3555.201522][   T10]      ip6_route_input+0x59c/0xa50
[ 3555.201522][   T10]      ipv6_rcv+0x397/0x810
[ 3555.201522][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3555.201522][   T10]      process_backlog+0x101/0x620
[ 3555.201522][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3555.201522][   T10]      net_rx_action+0x495/0xbe0
[ 3555.201522][   T10]      __do_softirq+0x1b5/0x7f6
[ 3555.201522][   T10] 
[ 3555.203152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.203152][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3555.203152][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3555.203152][   T10]      fib6_nh_init+0xa22/0x1580
[ 3555.203152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.203152][   T10]      ip6_route_add+0x1c/0x140
[ 3555.203152][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3555.203152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.203152][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.203152][   T10]      netlink_unicast+0x449/0x710
[ 3555.203152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.203152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.203152][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.203152][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.203152][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.203152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.203152][   T10] 
[ 3555.205010][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.205010][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.205010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.205010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.205010][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3555.205010][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3555.205010][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3555.205010][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3555.205010][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3555.205010][   T10]      addrconf_dad_begin+0x310/0x670
[ 3555.205010][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3555.205010][   T10]      process_one_work+0x84d/0x18a0
[ 3555.205010][   T10]      worker_thread+0x587/0xd30
[ 3555.205010][   T10]      kthread+0x28a/0x350
[ 3555.205010][   T10]      ret_from_fork+0x31/0x70
[ 3555.205010][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3555.205010][   T10] 
[ 3555.206916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.206916][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.206916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.206916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.206916][   T10]      ip6_route_add+0x1c/0x140
[ 3555.206916][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3555.206916][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3555.206916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.206916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.206916][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.206916][   T10]      netlink_unicast+0x449/0x710
[ 3555.206916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.206916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.206916][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.206916][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.206916][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.206916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.206916][   T10] 
[ 3555.208920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.208920][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.208920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.208920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.208920][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3555.208920][   T10]      ipv6_add_addr+0x411/0x2000
[ 3555.208920][   T10]      inet6_addr_add+0x30e/0xa40
[ 3555.208920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.208920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.208920][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.208920][   T10]      netlink_unicast+0x449/0x710
[ 3555.208920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.208920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.208920][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.208920][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.208920][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.208920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.208920][   T10] 
[ 3555.210930][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.210930][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.210930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.210930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.210930][   T10]      ip6_route_add+0x1c/0x140
[ 3555.210930][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3555.210930][   T10]      addrconf_add_dev+0xe2/0x170
[ 3555.210930][   T10]      inet6_addr_add+0x12f/0xa40
[ 3555.210930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.210930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.210930][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.210930][   T10]      netlink_unicast+0x449/0x710
[ 3555.210930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.210930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.210930][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.210930][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.210930][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.210930][   T10] 
[ 3555.212885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.212885][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3555.212885][   T10]      ipv6_find_idev+0x102/0x170
[ 3555.212885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.212885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.212885][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.212885][   T10]      netlink_unicast+0x449/0x710
[ 3555.212885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.212885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.212885][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.212885][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.212885][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.212885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.212885][   T10] 
[ 3555.214399][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3555.214399][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3555.214399][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3555.214399][   T10]      ipv6_find_idev+0x102/0x170
[ 3555.214399][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.214399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.214399][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.214399][   T10]      netlink_unicast+0x449/0x710
[ 3555.214399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.214399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.214399][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.214399][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.214399][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.214399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.214399][   T10] 
[ 3555.216107][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3555.216340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.216340][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3555.216340][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3555.216340][   T10]      fib6_nh_init+0xa22/0x1580
[ 3555.216340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.216340][   T10]      ip6_route_add+0x1c/0x140
[ 3555.216340][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3555.216340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.216340][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.216340][   T10]      netlink_unicast+0x449/0x710
[ 3555.216340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.216340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.216340][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.216340][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.216340][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.216340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.216340][   T10] 
[ 3555.218187][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.218187][   T10]      dst_init+0x84/0x4a0
[ 3555.218187][   T10]      dst_alloc+0x97/0x150
[ 3555.218187][   T10]      ip6_dst_alloc+0x23/0x90
[ 3555.218187][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3555.218187][   T10]      ip6_pol_route+0x56f/0x840
[ 3555.218187][   T10]      fib6_rule_lookup+0x456/0x630
[ 3555.218187][   T10]      ip6_route_input+0x59c/0xa50
[ 3555.218187][   T10]      ipv6_rcv+0x397/0x810
[ 3555.218187][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3555.218187][   T10]      process_backlog+0x101/0x620
[ 3555.218187][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3555.218187][   T10]      net_rx_action+0x495/0xbe0
[ 3555.218187][   T10]      __do_softirq+0x1b5/0x7f6
[ 3555.218187][   T10] 
[ 3555.219833][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.219833][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.219833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.219833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.219833][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3555.219833][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3555.219833][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3555.219833][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3555.219833][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3555.219833][   T10]      addrconf_dad_begin+0x310/0x670
[ 3555.219833][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3555.219833][   T10]      process_one_work+0x84d/0x18a0
[ 3555.219833][   T10]      worker_thread+0x587/0xd30
[ 3555.219833][   T10]      kthread+0x28a/0x350
[ 3555.219833][   T10]      ret_from_fork+0x31/0x70
[ 3555.219833][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3555.219833][   T10] 
[ 3555.221692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.221692][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.221692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.221692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.221692][   T10]      ip6_route_add+0x1c/0x140
[ 3555.221692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3555.221692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3555.221692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.221692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.221692][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.221692][   T10]      netlink_unicast+0x449/0x710
[ 3555.221692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.221692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.221692][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.221692][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.221692][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.221692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.221692][   T10] 
[ 3555.223684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.223684][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.223684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.223684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.223684][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3555.223684][   T10]      ipv6_add_addr+0x411/0x2000
[ 3555.223684][   T10]      inet6_addr_add+0x30e/0xa40
[ 3555.223684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.223684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.223684][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.223684][   T10]      netlink_unicast+0x449/0x710
[ 3555.223684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.223684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.223684][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.223684][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.223684][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.223684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.223684][   T10] 
[ 3555.225679][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.225679][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.225679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.225679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.225679][   T10]      ip6_route_add+0x1c/0x140
[ 3555.225679][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3555.225679][   T10]      addrconf_add_dev+0xe2/0x170
[ 3555.225679][   T10]      inet6_addr_add+0x12f/0xa40
[ 3555.225679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.225679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.225679][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.225679][   T10]      netlink_unicast+0x449/0x710
[ 3555.225679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.225679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.225679][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.225679][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.225679][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.225679][   T10] 
[ 3555.227826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.227826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3555.227826][   T10]      ipv6_find_idev+0x102/0x170
[ 3555.227826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.227826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.227826][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.227826][   T10]      netlink_unicast+0x449/0x710
[ 3555.227826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.227826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.227826][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.227826][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.227826][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.227826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.227826][   T10] 
[ 3555.229559][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3555.229559][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3555.229559][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3555.229559][   T10]      ipv6_find_idev+0x102/0x170
[ 3555.229559][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.229559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.229559][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.229559][   T10]      netlink_unicast+0x449/0x710
[ 3555.229559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.229559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.229559][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.229559][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.229559][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.229559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.229559][   T10] 
[ 3555.231497][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3555.231809][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3555.231809][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.231809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.231809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.231809][   T10]      ip6_route_add+0x1c/0x140
[ 3555.231809][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3555.231809][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3555.231809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.231809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.231809][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.231809][   T10]      netlink_unicast+0x449/0x710
[ 3555.231809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.231809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.231809][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.231809][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.231809][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.231809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.231809][   T10] 
[ 3555.234007][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3555.234007][   T10]      netdev_get_by_index+0x5e/0x80
[ 3555.234007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3555.234007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3555.234007][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3555.234007][   T10]      ipv6_add_addr+0x411/0x2000
[ 3555.234007][   T10]      inet6_addr_add+0x30e/0xa40
[ 3555.234007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3555.234007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.234007][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.234007][   T10]      netlink_unicast+0x449/0x710
[ 3555.234007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.234007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.234007][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.234007][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.234007][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.234007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.234007][   T10] 
[ 3555.236259][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3555.236259][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3555.236259][   T10]      ipv6_find_idev+0x102/0x170
[ 3555.236259][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.236259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.236259][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.236259][   T10]      netlink_unicast+0x449/0x710
[ 3555.236259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.236259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.236259][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.236259][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.236259][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.236259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.236259][   T10] 
[ 3555.237974][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3555.237974][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3555.237974][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3555.237974][   T10]      ipv6_find_idev+0x102/0x170
[ 3555.237974][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3555.237974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3555.237974][   T10]      netlink_rcv_skb+0x130/0x360
[ 3555.237974][   T10]      netlink_unicast+0x449/0x710
[ 3555.237974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3555.237974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3555.237974][   T10]      ___sys_sendmsg+0xee/0x170
[ 3555.237974][   T10]      __sys_sendmsg+0xcd/0x170
[ 3555.237974][   T10]      do_syscall_64+0xc6/0x1e0
[ 3555.237974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3555.237974][   T10] 
[ 3565.480806][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3565.481505][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.481505][   T10]      dst_init+0x84/0x4a0
[ 3565.481505][   T10]      dst_alloc+0x97/0x150
[ 3565.481505][   T10]      ip6_dst_alloc+0x23/0x90
[ 3565.481505][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3565.481505][   T10]      ip6_pol_route+0x56f/0x840
[ 3565.481505][   T10]      fib6_rule_lookup+0x456/0x630
[ 3565.481505][   T10]      ip6_route_input+0x59c/0xa50
[ 3565.481505][   T10]      ipv6_rcv+0x397/0x810
[ 3565.481505][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3565.481505][   T10]      process_backlog+0x101/0x620
[ 3565.481505][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3565.481505][   T10]      net_rx_action+0x495/0xbe0
[ 3565.481505][   T10]      __do_softirq+0x1b5/0x7f6
[ 3565.481505][   T10] 
[ 3565.483134][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.483134][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3565.483134][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3565.483134][   T10]      fib6_nh_init+0xa22/0x1580
[ 3565.483134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.483134][   T10]      ip6_route_add+0x1c/0x140
[ 3565.483134][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3565.483134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.483134][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.483134][   T10]      netlink_unicast+0x449/0x710
[ 3565.483134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.483134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.483134][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.483134][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.483134][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.483134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.483134][   T10] 
[ 3565.485020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.485020][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.485020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.485020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.485020][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3565.485020][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3565.485020][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3565.485020][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3565.485020][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3565.485020][   T10]      addrconf_dad_begin+0x310/0x670
[ 3565.485020][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3565.485020][   T10]      process_one_work+0x84d/0x18a0
[ 3565.485020][   T10]      worker_thread+0x587/0xd30
[ 3565.485020][   T10]      kthread+0x28a/0x350
[ 3565.485020][   T10]      ret_from_fork+0x31/0x70
[ 3565.485020][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3565.485020][   T10] 
[ 3565.486925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.486925][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.486925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.486925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.486925][   T10]      ip6_route_add+0x1c/0x140
[ 3565.486925][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3565.486925][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3565.486925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.486925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.486925][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.486925][   T10]      netlink_unicast+0x449/0x710
[ 3565.486925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.486925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.486925][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.486925][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.486925][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.486925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.486925][   T10] 
[ 3565.488923][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.488923][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.488923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.488923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.488923][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3565.488923][   T10]      ipv6_add_addr+0x411/0x2000
[ 3565.488923][   T10]      inet6_addr_add+0x30e/0xa40
[ 3565.488923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.488923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.488923][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.488923][   T10]      netlink_unicast+0x449/0x710
[ 3565.488923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.488923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.488923][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.488923][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.488923][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.488923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.488923][   T10] 
[ 3565.490977][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.490977][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.490977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.490977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.490977][   T10]      ip6_route_add+0x1c/0x140
[ 3565.490977][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3565.490977][   T10]      addrconf_add_dev+0xe2/0x170
[ 3565.490977][   T10]      inet6_addr_add+0x12f/0xa40
[ 3565.490977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.490977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.490977][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.490977][   T10]      netlink_unicast+0x449/0x710
[ 3565.490977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.490977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.490977][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.490977][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.490977][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.490977][   T10] 
[ 3565.492961][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.492961][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3565.492961][   T10]      ipv6_find_idev+0x102/0x170
[ 3565.492961][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.492961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.492961][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.492961][   T10]      netlink_unicast+0x449/0x710
[ 3565.492961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.492961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.492961][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.492961][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.492961][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.492961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.492961][   T10] 
[ 3565.494514][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3565.494514][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3565.494514][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3565.494514][   T10]      ipv6_find_idev+0x102/0x170
[ 3565.494514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.494514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.494514][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.494514][   T10]      netlink_unicast+0x449/0x710
[ 3565.494514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.494514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.494514][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.494514][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.494514][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.494514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.494514][   T10] 
[ 3565.496233][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3565.496467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.496467][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3565.496467][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3565.496467][   T10]      fib6_nh_init+0xa22/0x1580
[ 3565.496467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.496467][   T10]      ip6_route_add+0x1c/0x140
[ 3565.496467][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3565.496467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.496467][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.496467][   T10]      netlink_unicast+0x449/0x710
[ 3565.496467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.496467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.496467][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.496467][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.496467][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.496467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.496467][   T10] 
[ 3565.498392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.498392][   T10]      dst_init+0x84/0x4a0
[ 3565.498392][   T10]      dst_alloc+0x97/0x150
[ 3565.498392][   T10]      ip6_dst_alloc+0x23/0x90
[ 3565.498392][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3565.498392][   T10]      ip6_pol_route+0x56f/0x840
[ 3565.498392][   T10]      fib6_rule_lookup+0x456/0x630
[ 3565.498392][   T10]      ip6_route_input+0x59c/0xa50
[ 3565.498392][   T10]      ipv6_rcv+0x397/0x810
[ 3565.498392][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3565.498392][   T10]      process_backlog+0x101/0x620
[ 3565.498392][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3565.498392][   T10]      net_rx_action+0x495/0xbe0
[ 3565.498392][   T10]      __do_softirq+0x1b5/0x7f6
[ 3565.498392][   T10] 
[ 3565.500055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.500055][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.500055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.500055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.500055][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3565.500055][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3565.500055][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3565.500055][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3565.500055][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3565.500055][   T10]      addrconf_dad_begin+0x310/0x670
[ 3565.500055][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3565.500055][   T10]      process_one_work+0x84d/0x18a0
[ 3565.500055][   T10]      worker_thread+0x587/0xd30
[ 3565.500055][   T10]      kthread+0x28a/0x350
[ 3565.500055][   T10]      ret_from_fork+0x31/0x70
[ 3565.500055][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3565.500055][   T10] 
[ 3565.501998][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.501998][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.501998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.501998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.501998][   T10]      ip6_route_add+0x1c/0x140
[ 3565.501998][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3565.501998][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3565.501998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.501998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.501998][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.501998][   T10]      netlink_unicast+0x449/0x710
[ 3565.501998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.501998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.501998][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.501998][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.501998][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.501998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.501998][   T10] 
[ 3565.504003][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.504003][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.504003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.504003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.504003][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3565.504003][   T10]      ipv6_add_addr+0x411/0x2000
[ 3565.504003][   T10]      inet6_addr_add+0x30e/0xa40
[ 3565.504003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.504003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.504003][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.504003][   T10]      netlink_unicast+0x449/0x710
[ 3565.504003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.504003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.504003][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.504003][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.504003][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.504003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.504003][   T10] 
[ 3565.506017][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.506017][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.506017][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.506017][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.506017][   T10]      ip6_route_add+0x1c/0x140
[ 3565.506017][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3565.506017][   T10]      addrconf_add_dev+0xe2/0x170
[ 3565.506017][   T10]      inet6_addr_add+0x12f/0xa40
[ 3565.506017][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.506017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.506017][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.506017][   T10]      netlink_unicast+0x449/0x710
[ 3565.506017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.506017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.506017][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.506017][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.506017][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.506017][   T10] 
[ 3565.508171][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.508171][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3565.508171][   T10]      ipv6_find_idev+0x102/0x170
[ 3565.508171][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.508171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.508171][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.508171][   T10]      netlink_unicast+0x449/0x710
[ 3565.508171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.508171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.508171][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.508171][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.508171][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.508171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.508171][   T10] 
[ 3565.509969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3565.509969][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3565.509969][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3565.509969][   T10]      ipv6_find_idev+0x102/0x170
[ 3565.509969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.509969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.509969][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.509969][   T10]      netlink_unicast+0x449/0x710
[ 3565.509969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.509969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.509969][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.509969][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.509969][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.509969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.509969][   T10] 
[ 3565.511825][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3565.512113][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3565.512113][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.512113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.512113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.512113][   T10]      ip6_route_add+0x1c/0x140
[ 3565.512113][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3565.512113][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3565.512113][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.512113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.512113][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.512113][   T10]      netlink_unicast+0x449/0x710
[ 3565.512113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.512113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.512113][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.512113][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.512113][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.512113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.512113][   T10] 
[ 3565.514299][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3565.514299][   T10]      netdev_get_by_index+0x5e/0x80
[ 3565.514299][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3565.514299][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3565.514299][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3565.514299][   T10]      ipv6_add_addr+0x411/0x2000
[ 3565.514299][   T10]      inet6_addr_add+0x30e/0xa40
[ 3565.514299][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3565.514299][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.514299][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.514299][   T10]      netlink_unicast+0x449/0x710
[ 3565.514299][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.514299][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.514299][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.514299][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.514299][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.514299][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.514299][   T10] 
[ 3565.516533][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3565.516533][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3565.516533][   T10]      ipv6_find_idev+0x102/0x170
[ 3565.516533][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.516533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.516533][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.516533][   T10]      netlink_unicast+0x449/0x710
[ 3565.516533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.516533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.516533][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.516533][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.516533][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.516533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.516533][   T10] 
[ 3565.518313][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3565.518313][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3565.518313][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3565.518313][   T10]      ipv6_find_idev+0x102/0x170
[ 3565.518313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3565.518313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3565.518313][   T10]      netlink_rcv_skb+0x130/0x360
[ 3565.518313][   T10]      netlink_unicast+0x449/0x710
[ 3565.518313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3565.518313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3565.518313][   T10]      ___sys_sendmsg+0xee/0x170
[ 3565.518313][   T10]      __sys_sendmsg+0xcd/0x170
[ 3565.518313][   T10]      do_syscall_64+0xc6/0x1e0
[ 3565.518313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3565.518313][   T10] 
[ 3575.760812][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3575.761533][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.761533][   T10]      dst_init+0x84/0x4a0
[ 3575.761533][   T10]      dst_alloc+0x97/0x150
[ 3575.761533][   T10]      ip6_dst_alloc+0x23/0x90
[ 3575.761533][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3575.761533][   T10]      ip6_pol_route+0x56f/0x840
[ 3575.761533][   T10]      fib6_rule_lookup+0x456/0x630
[ 3575.761533][   T10]      ip6_route_input+0x59c/0xa50
[ 3575.761533][   T10]      ipv6_rcv+0x397/0x810
[ 3575.761533][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3575.761533][   T10]      process_backlog+0x101/0x620
[ 3575.761533][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3575.761533][   T10]      net_rx_action+0x495/0xbe0
[ 3575.761533][   T10]      __do_softirq+0x1b5/0x7f6
[ 3575.761533][   T10] 
[ 3575.763190][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.763190][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3575.763190][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3575.763190][   T10]      fib6_nh_init+0xa22/0x1580
[ 3575.763190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.763190][   T10]      ip6_route_add+0x1c/0x140
[ 3575.763190][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3575.763190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.763190][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.763190][   T10]      netlink_unicast+0x449/0x710
[ 3575.763190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.763190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.763190][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.763190][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.763190][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.763190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.763190][   T10] 
[ 3575.765047][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.765047][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.765047][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.765047][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.765047][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3575.765047][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3575.765047][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3575.765047][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3575.765047][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3575.765047][   T10]      addrconf_dad_begin+0x310/0x670
[ 3575.765047][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3575.765047][   T10]      process_one_work+0x84d/0x18a0
[ 3575.765047][   T10]      worker_thread+0x587/0xd30
[ 3575.765047][   T10]      kthread+0x28a/0x350
[ 3575.765047][   T10]      ret_from_fork+0x31/0x70
[ 3575.765047][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3575.765047][   T10] 
[ 3575.766917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.766917][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.766917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.766917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.766917][   T10]      ip6_route_add+0x1c/0x140
[ 3575.766917][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3575.766917][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3575.766917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.766917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.766917][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.766917][   T10]      netlink_unicast+0x449/0x710
[ 3575.766917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.766917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.766917][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.766917][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.766917][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.766917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.766917][   T10] 
[ 3575.768877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.768877][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.768877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.768877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.768877][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3575.768877][   T10]      ipv6_add_addr+0x411/0x2000
[ 3575.768877][   T10]      inet6_addr_add+0x30e/0xa40
[ 3575.768877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.768877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.768877][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.768877][   T10]      netlink_unicast+0x449/0x710
[ 3575.768877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.768877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.768877][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.768877][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.768877][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.768877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.768877][   T10] 
[ 3575.770911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.770911][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.770911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.770911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.770911][   T10]      ip6_route_add+0x1c/0x140
[ 3575.770911][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3575.770911][   T10]      addrconf_add_dev+0xe2/0x170
[ 3575.770911][   T10]      inet6_addr_add+0x12f/0xa40
[ 3575.770911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.770911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.770911][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.770911][   T10]      netlink_unicast+0x449/0x710
[ 3575.770911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.770911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.770911][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.770911][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.770911][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.770911][   T10] 
[ 3575.772917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.772917][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3575.772917][   T10]      ipv6_find_idev+0x102/0x170
[ 3575.772917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3575.772917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.772917][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.772917][   T10]      netlink_unicast+0x449/0x710
[ 3575.772917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.772917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.772917][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.772917][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.772917][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.772917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.772917][   T10] 
[ 3575.774460][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3575.774460][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3575.774460][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3575.774460][   T10]      ipv6_find_idev+0x102/0x170
[ 3575.774460][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3575.774460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.774460][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.774460][   T10]      netlink_unicast+0x449/0x710
[ 3575.774460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.774460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.774460][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.774460][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.774460][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.774460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.774460][   T10] 
[ 3575.776203][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3575.776435][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.776435][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3575.776435][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3575.776435][   T10]      fib6_nh_init+0xa22/0x1580
[ 3575.776435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.776435][   T10]      ip6_route_add+0x1c/0x140
[ 3575.776435][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3575.776435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.776435][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.776435][   T10]      netlink_unicast+0x449/0x710
[ 3575.776435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.776435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.776435][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.776435][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.776435][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.776435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.776435][   T10] 
[ 3575.778271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.778271][   T10]      dst_init+0x84/0x4a0
[ 3575.778271][   T10]      dst_alloc+0x97/0x150
[ 3575.778271][   T10]      ip6_dst_alloc+0x23/0x90
[ 3575.778271][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3575.778271][   T10]      ip6_pol_route+0x56f/0x840
[ 3575.778271][   T10]      fib6_rule_lookup+0x456/0x630
[ 3575.778271][   T10]      ip6_route_input+0x59c/0xa50
[ 3575.778271][   T10]      ipv6_rcv+0x397/0x810
[ 3575.778271][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3575.778271][   T10]      process_backlog+0x101/0x620
[ 3575.778271][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3575.778271][   T10]      net_rx_action+0x495/0xbe0
[ 3575.778271][   T10]      __do_softirq+0x1b5/0x7f6
[ 3575.778271][   T10] 
[ 3575.779923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.779923][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.779923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.779923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.779923][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3575.779923][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3575.779923][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3575.779923][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3575.779923][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3575.779923][   T10]      addrconf_dad_begin+0x310/0x670
[ 3575.779923][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3575.779923][   T10]      process_one_work+0x84d/0x18a0
[ 3575.779923][   T10]      worker_thread+0x587/0xd30
[ 3575.779923][   T10]      kthread+0x28a/0x350
[ 3575.779923][   T10]      ret_from_fork+0x31/0x70
[ 3575.779923][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3575.779923][   T10] 
[ 3575.781795][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.781795][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.781795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.781795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.781795][   T10]      ip6_route_add+0x1c/0x140
[ 3575.781795][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3575.781795][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3575.781795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.781795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.781795][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.781795][   T10]      netlink_unicast+0x449/0x710
[ 3575.781795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.781795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.781795][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.781795][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.781795][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.781795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.781795][   T10] 
[ 3575.783739][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.783739][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.783739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.783739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.783739][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3575.783739][   T10]      ipv6_add_addr+0x411/0x2000
[ 3575.783739][   T10]      inet6_addr_add+0x30e/0xa40
[ 3575.783739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.783739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.783739][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.783739][   T10]      netlink_unicast+0x449/0x710
[ 3575.783739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.783739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.783739][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.783739][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.783739][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.783739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.783739][   T10] 
[ 3575.785744][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.785744][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.785744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.785744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.785744][   T10]      ip6_route_add+0x1c/0x140
[ 3575.785744][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3575.785744][   T10]      addrconf_add_dev+0xe2/0x170
[ 3575.785744][   T10]      inet6_addr_add+0x12f/0xa40
[ 3575.785744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.785744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.785744][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.785744][   T10]      netlink_unicast+0x449/0x710
[ 3575.785744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.785744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.785744][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.785744][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.785744][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.785744][   T10] 
[ 3575.787794][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.787794][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3575.787794][   T10]      ipv6_find_idev+0x102/0x170
[ 3575.787794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3575.787794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.787794][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.787794][   T10]      netlink_unicast+0x449/0x710
[ 3575.787794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.787794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.787794][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.787794][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.787794][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.787794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.787794][   T10] 
[ 3575.789362][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3575.789362][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3575.789362][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3575.789362][   T10]      ipv6_find_idev+0x102/0x170
[ 3575.789362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3575.789362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.789362][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.789362][   T10]      netlink_unicast+0x449/0x710
[ 3575.789362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.789362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.789362][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.789362][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.789362][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.789362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.789362][   T10] 
[ 3575.791132][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3575.791440][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3575.791440][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.791440][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.791440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.791440][   T10]      ip6_route_add+0x1c/0x140
[ 3575.791440][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3575.791440][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3575.791440][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.791440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.791440][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.791440][   T10]      netlink_unicast+0x449/0x710
[ 3575.791440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.791440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.791440][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.791440][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.791440][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.791440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.791440][   T10] 
[ 3575.793449][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3575.793449][   T10]      netdev_get_by_index+0x5e/0x80
[ 3575.793449][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3575.793449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3575.793449][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3575.793449][   T10]      ipv6_add_addr+0x411/0x2000
[ 3575.793449][   T10]      inet6_addr_add+0x30e/0xa40
[ 3575.793449][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3575.793449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.793449][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.793449][   T10]      netlink_unicast+0x449/0x710
[ 3575.793449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.793449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.793449][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.793449][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.793449][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.793449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.793449][   T10] 
[ 3575.795569][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3575.795569][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3575.795569][   T10]      ipv6_find_idev+0x102/0x170
[ 3575.795569][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3575.795569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.795569][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.795569][   T10]      netlink_unicast+0x449/0x710
[ 3575.795569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.795569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.795569][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.795569][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.795569][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.795569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.795569][   T10] 
[ 3575.797709][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3575.797709][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3575.797709][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3575.797709][   T10]      ipv6_find_idev+0x102/0x170
[ 3575.797709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3575.797709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3575.797709][   T10]      netlink_rcv_skb+0x130/0x360
[ 3575.797709][   T10]      netlink_unicast+0x449/0x710
[ 3575.797709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3575.797709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3575.797709][   T10]      ___sys_sendmsg+0xee/0x170
[ 3575.797709][   T10]      __sys_sendmsg+0xcd/0x170
[ 3575.797709][   T10]      do_syscall_64+0xc6/0x1e0
[ 3575.797709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3575.797709][   T10] 
[ 3586.041968][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3586.042427][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.042427][   T10]      dst_init+0x84/0x4a0
[ 3586.042427][   T10]      dst_alloc+0x97/0x150
[ 3586.042427][   T10]      ip6_dst_alloc+0x23/0x90
[ 3586.042427][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3586.042427][   T10]      ip6_pol_route+0x56f/0x840
[ 3586.042427][   T10]      fib6_rule_lookup+0x456/0x630
[ 3586.042427][   T10]      ip6_route_input+0x59c/0xa50
[ 3586.042427][   T10]      ipv6_rcv+0x397/0x810
[ 3586.042427][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3586.042427][   T10]      process_backlog+0x101/0x620
[ 3586.042427][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3586.042427][   T10]      net_rx_action+0x495/0xbe0
[ 3586.042427][   T10]      __do_softirq+0x1b5/0x7f6
[ 3586.042427][   T10] 
[ 3586.044010][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.044010][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3586.044010][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3586.044010][   T10]      fib6_nh_init+0xa22/0x1580
[ 3586.044010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.044010][   T10]      ip6_route_add+0x1c/0x140
[ 3586.044010][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3586.044010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.044010][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.044010][   T10]      netlink_unicast+0x449/0x710
[ 3586.044010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.044010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.044010][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.044010][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.044010][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.044010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.044010][   T10] 
[ 3586.045854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.045854][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.045854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.045854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.045854][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3586.045854][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3586.045854][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3586.045854][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3586.045854][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3586.045854][   T10]      addrconf_dad_begin+0x310/0x670
[ 3586.045854][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3586.045854][   T10]      process_one_work+0x84d/0x18a0
[ 3586.045854][   T10]      worker_thread+0x587/0xd30
[ 3586.045854][   T10]      kthread+0x28a/0x350
[ 3586.045854][   T10]      ret_from_fork+0x31/0x70
[ 3586.045854][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3586.045854][   T10] 
[ 3586.047754][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.047754][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.047754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.047754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.047754][   T10]      ip6_route_add+0x1c/0x140
[ 3586.047754][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3586.047754][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3586.047754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.047754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.047754][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.047754][   T10]      netlink_unicast+0x449/0x710
[ 3586.047754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.047754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.047754][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.047754][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.047754][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.047754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.047754][   T10] 
[ 3586.049704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.049704][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.049704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.049704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.049704][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3586.049704][   T10]      ipv6_add_addr+0x411/0x2000
[ 3586.049704][   T10]      inet6_addr_add+0x30e/0xa40
[ 3586.049704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.049704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.049704][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.049704][   T10]      netlink_unicast+0x449/0x710
[ 3586.049704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.049704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.049704][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.049704][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.049704][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.049704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.049704][   T10] 
[ 3586.051715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.051715][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.051715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.051715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.051715][   T10]      ip6_route_add+0x1c/0x140
[ 3586.051715][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3586.051715][   T10]      addrconf_add_dev+0xe2/0x170
[ 3586.051715][   T10]      inet6_addr_add+0x12f/0xa40
[ 3586.051715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.051715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.051715][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.051715][   T10]      netlink_unicast+0x449/0x710
[ 3586.051715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.051715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.051715][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.051715][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.051715][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.051715][   T10] 
[ 3586.053579][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.053579][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3586.053579][   T10]      ipv6_find_idev+0x102/0x170
[ 3586.053579][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.053579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.053579][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.053579][   T10]      netlink_unicast+0x449/0x710
[ 3586.053579][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.053579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.053579][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.053579][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.053579][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.053579][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.053579][   T10] 
[ 3586.055132][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3586.055132][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3586.055132][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3586.055132][   T10]      ipv6_find_idev+0x102/0x170
[ 3586.055132][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.055132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.055132][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.055132][   T10]      netlink_unicast+0x449/0x710
[ 3586.055132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.055132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.055132][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.055132][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.055132][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.055132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.055132][   T10] 
[ 3586.056776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3586.057017][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.057017][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3586.057017][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3586.057017][   T10]      fib6_nh_init+0xa22/0x1580
[ 3586.057017][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.057017][   T10]      ip6_route_add+0x1c/0x140
[ 3586.057017][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3586.057017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.057017][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.057017][   T10]      netlink_unicast+0x449/0x710
[ 3586.057017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.057017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.057017][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.057017][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.057017][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.057017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.057017][   T10] 
[ 3586.059331][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.059331][   T10]      dst_init+0x84/0x4a0
[ 3586.059331][   T10]      dst_alloc+0x97/0x150
[ 3586.059331][   T10]      ip6_dst_alloc+0x23/0x90
[ 3586.059331][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3586.059331][   T10]      ip6_pol_route+0x56f/0x840
[ 3586.059331][   T10]      fib6_rule_lookup+0x456/0x630
[ 3586.059331][   T10]      ip6_route_input+0x59c/0xa50
[ 3586.059331][   T10]      ipv6_rcv+0x397/0x810
[ 3586.059331][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3586.059331][   T10]      process_backlog+0x101/0x620
[ 3586.059331][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3586.059331][   T10]      net_rx_action+0x495/0xbe0
[ 3586.059331][   T10]      __do_softirq+0x1b5/0x7f6
[ 3586.059331][   T10] 
[ 3586.060940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.060940][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.060940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.060940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.060940][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3586.060940][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3586.060940][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3586.060940][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3586.060940][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3586.060940][   T10]      addrconf_dad_begin+0x310/0x670
[ 3586.060940][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3586.060940][   T10]      process_one_work+0x84d/0x18a0
[ 3586.060940][   T10]      worker_thread+0x587/0xd30
[ 3586.060940][   T10]      kthread+0x28a/0x350
[ 3586.060940][   T10]      ret_from_fork+0x31/0x70
[ 3586.060940][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3586.060940][   T10] 
[ 3586.062738][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.062738][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.062738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.062738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.062738][   T10]      ip6_route_add+0x1c/0x140
[ 3586.062738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3586.062738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3586.062738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.062738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.062738][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.062738][   T10]      netlink_unicast+0x449/0x710
[ 3586.062738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.062738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.062738][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.062738][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.062738][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.062738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.062738][   T10] 
[ 3586.064766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.064766][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.064766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.064766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.064766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3586.064766][   T10]      ipv6_add_addr+0x411/0x2000
[ 3586.064766][   T10]      inet6_addr_add+0x30e/0xa40
[ 3586.064766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.064766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.064766][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.064766][   T10]      netlink_unicast+0x449/0x710
[ 3586.064766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.064766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.064766][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.064766][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.064766][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.064766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.064766][   T10] 
[ 3586.066645][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.066645][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.066645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.066645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.066645][   T10]      ip6_route_add+0x1c/0x140
[ 3586.066645][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3586.066645][   T10]      addrconf_add_dev+0xe2/0x170
[ 3586.066645][   T10]      inet6_addr_add+0x12f/0xa40
[ 3586.066645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.066645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.066645][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.066645][   T10]      netlink_unicast+0x449/0x710
[ 3586.066645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.066645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.066645][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.066645][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.066645][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.066645][   T10] 
[ 3586.068670][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.068670][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3586.068670][   T10]      ipv6_find_idev+0x102/0x170
[ 3586.068670][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.068670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.068670][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.068670][   T10]      netlink_unicast+0x449/0x710
[ 3586.068670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.068670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.068670][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.068670][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.068670][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.068670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.068670][   T10] 
[ 3586.070463][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3586.070463][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3586.070463][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3586.070463][   T10]      ipv6_find_idev+0x102/0x170
[ 3586.070463][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.070463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.070463][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.070463][   T10]      netlink_unicast+0x449/0x710
[ 3586.070463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.070463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.070463][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.070463][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.070463][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.070463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.070463][   T10] 
[ 3586.072314][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3586.072549][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3586.072549][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.072549][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.072549][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.072549][   T10]      ip6_route_add+0x1c/0x140
[ 3586.072549][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3586.072549][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3586.072549][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.072549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.072549][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.072549][   T10]      netlink_unicast+0x449/0x710
[ 3586.072549][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.072549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.072549][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.072549][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.072549][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.072549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.072549][   T10] 
[ 3586.074747][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3586.074747][   T10]      netdev_get_by_index+0x5e/0x80
[ 3586.074747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3586.074747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3586.074747][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3586.074747][   T10]      ipv6_add_addr+0x411/0x2000
[ 3586.074747][   T10]      inet6_addr_add+0x30e/0xa40
[ 3586.074747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3586.074747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.074747][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.074747][   T10]      netlink_unicast+0x449/0x710
[ 3586.074747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.074747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.074747][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.074747][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.074747][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.074747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.074747][   T10] 
[ 3586.076983][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3586.076983][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3586.076983][   T10]      ipv6_find_idev+0x102/0x170
[ 3586.076983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.076983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.076983][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.076983][   T10]      netlink_unicast+0x449/0x710
[ 3586.076983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.076983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.076983][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.076983][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.076983][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.076983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.076983][   T10] 
[ 3586.078784][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3586.078784][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3586.078784][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3586.078784][   T10]      ipv6_find_idev+0x102/0x170
[ 3586.078784][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3586.078784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3586.078784][   T10]      netlink_rcv_skb+0x130/0x360
[ 3586.078784][   T10]      netlink_unicast+0x449/0x710
[ 3586.078784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3586.078784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3586.078784][   T10]      ___sys_sendmsg+0xee/0x170
[ 3586.078784][   T10]      __sys_sendmsg+0xcd/0x170
[ 3586.078784][   T10]      do_syscall_64+0xc6/0x1e0
[ 3586.078784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3586.078784][   T10] 
[ 3596.169851][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3596.170291][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.170291][   T10]      dst_init+0x84/0x4a0
[ 3596.170291][   T10]      dst_alloc+0x97/0x150
[ 3596.170291][   T10]      ip6_dst_alloc+0x23/0x90
[ 3596.170291][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3596.170291][   T10]      ip6_pol_route+0x56f/0x840
[ 3596.170291][   T10]      fib6_rule_lookup+0x456/0x630
[ 3596.170291][   T10]      ip6_route_input+0x59c/0xa50
[ 3596.170291][   T10]      ipv6_rcv+0x397/0x810
[ 3596.170291][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3596.170291][   T10]      process_backlog+0x101/0x620
[ 3596.170291][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3596.170291][   T10]      net_rx_action+0x495/0xbe0
[ 3596.170291][   T10]      __do_softirq+0x1b5/0x7f6
[ 3596.170291][   T10] 
[ 3596.171870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.171870][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3596.171870][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3596.171870][   T10]      fib6_nh_init+0xa22/0x1580
[ 3596.171870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.171870][   T10]      ip6_route_add+0x1c/0x140
[ 3596.171870][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3596.171870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.171870][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.171870][   T10]      netlink_unicast+0x449/0x710
[ 3596.171870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.171870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.171870][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.171870][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.171870][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.171870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.171870][   T10] 
[ 3596.173724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.173724][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.173724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.173724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.173724][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3596.173724][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3596.173724][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3596.173724][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3596.173724][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3596.173724][   T10]      addrconf_dad_begin+0x310/0x670
[ 3596.173724][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3596.173724][   T10]      process_one_work+0x84d/0x18a0
[ 3596.173724][   T10]      worker_thread+0x587/0xd30
[ 3596.173724][   T10]      kthread+0x28a/0x350
[ 3596.173724][   T10]      ret_from_fork+0x31/0x70
[ 3596.173724][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3596.173724][   T10] 
[ 3596.175655][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.175655][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.175655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.175655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.175655][   T10]      ip6_route_add+0x1c/0x140
[ 3596.175655][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3596.175655][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3596.175655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.175655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.175655][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.175655][   T10]      netlink_unicast+0x449/0x710
[ 3596.175655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.175655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.175655][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.175655][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.175655][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.175655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.175655][   T10] 
[ 3596.177665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.177665][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.177665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.177665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.177665][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3596.177665][   T10]      ipv6_add_addr+0x411/0x2000
[ 3596.177665][   T10]      inet6_addr_add+0x30e/0xa40
[ 3596.177665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.177665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.177665][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.177665][   T10]      netlink_unicast+0x449/0x710
[ 3596.177665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.177665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.177665][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.177665][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.177665][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.177665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.177665][   T10] 
[ 3596.179619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.179619][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.179619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.179619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.179619][   T10]      ip6_route_add+0x1c/0x140
[ 3596.179619][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3596.179619][   T10]      addrconf_add_dev+0xe2/0x170
[ 3596.179619][   T10]      inet6_addr_add+0x12f/0xa40
[ 3596.179619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.179619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.179619][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.179619][   T10]      netlink_unicast+0x449/0x710
[ 3596.179619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.179619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.179619][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.179619][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.179619][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.179619][   T10] 
[ 3596.181614][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.181614][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3596.181614][   T10]      ipv6_find_idev+0x102/0x170
[ 3596.181614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.181614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.181614][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.181614][   T10]      netlink_unicast+0x449/0x710
[ 3596.181614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.181614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.181614][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.181614][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.181614][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.181614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.181614][   T10] 
[ 3596.183158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3596.183158][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3596.183158][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3596.183158][   T10]      ipv6_find_idev+0x102/0x170
[ 3596.183158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.183158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.183158][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.183158][   T10]      netlink_unicast+0x449/0x710
[ 3596.183158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.183158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.183158][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.183158][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.183158][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.183158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.183158][   T10] 
[ 3596.184925][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3596.185167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.185167][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3596.185167][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3596.185167][   T10]      fib6_nh_init+0xa22/0x1580
[ 3596.185167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.185167][   T10]      ip6_route_add+0x1c/0x140
[ 3596.185167][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3596.185167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.185167][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.185167][   T10]      netlink_unicast+0x449/0x710
[ 3596.185167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.185167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.185167][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.185167][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.185167][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.185167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.185167][   T10] 
[ 3596.187051][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.187051][   T10]      dst_init+0x84/0x4a0
[ 3596.187051][   T10]      dst_alloc+0x97/0x150
[ 3596.187051][   T10]      ip6_dst_alloc+0x23/0x90
[ 3596.187051][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3596.187051][   T10]      ip6_pol_route+0x56f/0x840
[ 3596.187051][   T10]      fib6_rule_lookup+0x456/0x630
[ 3596.187051][   T10]      ip6_route_input+0x59c/0xa50
[ 3596.187051][   T10]      ipv6_rcv+0x397/0x810
[ 3596.187051][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3596.187051][   T10]      process_backlog+0x101/0x620
[ 3596.187051][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3596.187051][   T10]      net_rx_action+0x495/0xbe0
[ 3596.187051][   T10]      __do_softirq+0x1b5/0x7f6
[ 3596.187051][   T10] 
[ 3596.188666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.188666][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.188666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.188666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.188666][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3596.188666][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3596.188666][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3596.188666][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3596.188666][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3596.188666][   T10]      addrconf_dad_begin+0x310/0x670
[ 3596.188666][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3596.188666][   T10]      process_one_work+0x84d/0x18a0
[ 3596.188666][   T10]      worker_thread+0x587/0xd30
[ 3596.188666][   T10]      kthread+0x28a/0x350
[ 3596.188666][   T10]      ret_from_fork+0x31/0x70
[ 3596.188666][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3596.188666][   T10] 
[ 3596.190631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.190631][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.190631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.190631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.190631][   T10]      ip6_route_add+0x1c/0x140
[ 3596.190631][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3596.190631][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3596.190631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.190631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.190631][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.190631][   T10]      netlink_unicast+0x449/0x710
[ 3596.190631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.190631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.190631][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.190631][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.190631][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.190631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.190631][   T10] 
[ 3596.192659][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.192659][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.192659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.192659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.192659][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3596.192659][   T10]      ipv6_add_addr+0x411/0x2000
[ 3596.192659][   T10]      inet6_addr_add+0x30e/0xa40
[ 3596.192659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.192659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.192659][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.192659][   T10]      netlink_unicast+0x449/0x710
[ 3596.192659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.192659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.192659][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.192659][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.192659][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.192659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.192659][   T10] 
[ 3596.194621][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.194621][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.194621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.194621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.194621][   T10]      ip6_route_add+0x1c/0x140
[ 3596.194621][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3596.194621][   T10]      addrconf_add_dev+0xe2/0x170
[ 3596.194621][   T10]      inet6_addr_add+0x12f/0xa40
[ 3596.194621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.194621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.194621][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.194621][   T10]      netlink_unicast+0x449/0x710
[ 3596.194621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.194621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.194621][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.194621][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.194621][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.194621][   T10] 
[ 3596.196781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.196781][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3596.196781][   T10]      ipv6_find_idev+0x102/0x170
[ 3596.196781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.196781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.196781][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.196781][   T10]      netlink_unicast+0x449/0x710
[ 3596.196781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.196781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.196781][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.196781][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.196781][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.196781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.196781][   T10] 
[ 3596.198520][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3596.198520][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3596.198520][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3596.198520][   T10]      ipv6_find_idev+0x102/0x170
[ 3596.198520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.198520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.198520][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.198520][   T10]      netlink_unicast+0x449/0x710
[ 3596.198520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.198520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.198520][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.198520][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.198520][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.198520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.198520][   T10] 
[ 3596.200509][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3596.200776][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3596.200776][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.200776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.200776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.200776][   T10]      ip6_route_add+0x1c/0x140
[ 3596.200776][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3596.200776][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3596.200776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.200776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.200776][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.200776][   T10]      netlink_unicast+0x449/0x710
[ 3596.200776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.200776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.200776][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.200776][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.200776][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.200776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.200776][   T10] 
[ 3596.203026][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3596.203026][   T10]      netdev_get_by_index+0x5e/0x80
[ 3596.203026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3596.203026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3596.203026][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3596.203026][   T10]      ipv6_add_addr+0x411/0x2000
[ 3596.203026][   T10]      inet6_addr_add+0x30e/0xa40
[ 3596.203026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3596.203026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.203026][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.203026][   T10]      netlink_unicast+0x449/0x710
[ 3596.203026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.203026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.203026][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.203026][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.203026][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.203026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.203026][   T10] 
[ 3596.205304][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3596.205304][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3596.205304][   T10]      ipv6_find_idev+0x102/0x170
[ 3596.205304][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.205304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.205304][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.205304][   T10]      netlink_unicast+0x449/0x710
[ 3596.205304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.205304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.205304][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.205304][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.205304][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.205304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.205304][   T10] 
[ 3596.207025][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3596.207025][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3596.207025][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3596.207025][   T10]      ipv6_find_idev+0x102/0x170
[ 3596.207025][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3596.207025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3596.207025][   T10]      netlink_rcv_skb+0x130/0x360
[ 3596.207025][   T10]      netlink_unicast+0x449/0x710
[ 3596.207025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3596.207025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3596.207025][   T10]      ___sys_sendmsg+0xee/0x170
[ 3596.207025][   T10]      __sys_sendmsg+0xcd/0x170
[ 3596.207025][   T10]      do_syscall_64+0xc6/0x1e0
[ 3596.207025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3596.207025][   T10] 
[ 3606.448776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3606.449644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.449644][   T10]      dst_init+0x84/0x4a0
[ 3606.449644][   T10]      dst_alloc+0x97/0x150
[ 3606.449644][   T10]      ip6_dst_alloc+0x23/0x90
[ 3606.449644][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3606.449644][   T10]      ip6_pol_route+0x56f/0x840
[ 3606.449644][   T10]      fib6_rule_lookup+0x456/0x630
[ 3606.449644][   T10]      ip6_route_input+0x59c/0xa50
[ 3606.449644][   T10]      ipv6_rcv+0x397/0x810
[ 3606.449644][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3606.449644][   T10]      process_backlog+0x101/0x620
[ 3606.449644][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3606.449644][   T10]      net_rx_action+0x495/0xbe0
[ 3606.449644][   T10]      __do_softirq+0x1b5/0x7f6
[ 3606.449644][   T10] 
[ 3606.451301][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.451301][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3606.451301][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3606.451301][   T10]      fib6_nh_init+0xa22/0x1580
[ 3606.451301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.451301][   T10]      ip6_route_add+0x1c/0x140
[ 3606.451301][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3606.451301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.451301][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.451301][   T10]      netlink_unicast+0x449/0x710
[ 3606.451301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.451301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.451301][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.451301][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.451301][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.451301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.451301][   T10] 
[ 3606.453080][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.453080][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.453080][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.453080][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.453080][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3606.453080][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3606.453080][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3606.453080][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3606.453080][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3606.453080][   T10]      addrconf_dad_begin+0x310/0x670
[ 3606.453080][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3606.453080][   T10]      process_one_work+0x84d/0x18a0
[ 3606.453080][   T10]      worker_thread+0x587/0xd30
[ 3606.453080][   T10]      kthread+0x28a/0x350
[ 3606.453080][   T10]      ret_from_fork+0x31/0x70
[ 3606.453080][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3606.453080][   T10] 
[ 3606.454883][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.454883][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.454883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.454883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.454883][   T10]      ip6_route_add+0x1c/0x140
[ 3606.454883][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3606.454883][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3606.454883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.454883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.454883][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.454883][   T10]      netlink_unicast+0x449/0x710
[ 3606.454883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.454883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.454883][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.454883][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.454883][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.454883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.454883][   T10] 
[ 3606.456845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.456845][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.456845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.456845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.456845][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3606.456845][   T10]      ipv6_add_addr+0x411/0x2000
[ 3606.456845][   T10]      inet6_addr_add+0x30e/0xa40
[ 3606.456845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.456845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.456845][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.456845][   T10]      netlink_unicast+0x449/0x710
[ 3606.456845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.456845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.456845][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.456845][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.456845][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.456845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.456845][   T10] 
[ 3606.458886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.458886][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.458886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.458886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.458886][   T10]      ip6_route_add+0x1c/0x140
[ 3606.458886][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3606.458886][   T10]      addrconf_add_dev+0xe2/0x170
[ 3606.458886][   T10]      inet6_addr_add+0x12f/0xa40
[ 3606.458886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.458886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.458886][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.458886][   T10]      netlink_unicast+0x449/0x710
[ 3606.458886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.458886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.458886][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.458886][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.458886][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.458886][   T10] 
[ 3606.460875][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.460875][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3606.460875][   T10]      ipv6_find_idev+0x102/0x170
[ 3606.460875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.460875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.460875][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.460875][   T10]      netlink_unicast+0x449/0x710
[ 3606.460875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.460875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.460875][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.460875][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.460875][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.460875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.460875][   T10] 
[ 3606.462447][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3606.462447][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3606.462447][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3606.462447][   T10]      ipv6_find_idev+0x102/0x170
[ 3606.462447][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.462447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.462447][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.462447][   T10]      netlink_unicast+0x449/0x710
[ 3606.462447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.462447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.462447][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.462447][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.462447][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.462447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.462447][   T10] 
[ 3606.464182][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3606.464999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.464999][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3606.464999][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3606.464999][   T10]      fib6_nh_init+0xa22/0x1580
[ 3606.464999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.464999][   T10]      ip6_route_add+0x1c/0x140
[ 3606.464999][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3606.464999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.464999][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.464999][   T10]      netlink_unicast+0x449/0x710
[ 3606.464999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.464999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.464999][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.464999][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.464999][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.464999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.464999][   T10] 
[ 3606.466897][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.466897][   T10]      dst_init+0x84/0x4a0
[ 3606.466897][   T10]      dst_alloc+0x97/0x150
[ 3606.466897][   T10]      ip6_dst_alloc+0x23/0x90
[ 3606.466897][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3606.466897][   T10]      ip6_pol_route+0x56f/0x840
[ 3606.466897][   T10]      fib6_rule_lookup+0x456/0x630
[ 3606.466897][   T10]      ip6_route_input+0x59c/0xa50
[ 3606.466897][   T10]      ipv6_rcv+0x397/0x810
[ 3606.466897][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3606.466897][   T10]      process_backlog+0x101/0x620
[ 3606.466897][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3606.466897][   T10]      net_rx_action+0x495/0xbe0
[ 3606.466897][   T10]      __do_softirq+0x1b5/0x7f6
[ 3606.466897][   T10] 
[ 3606.468561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.468561][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.468561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.468561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.468561][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3606.468561][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3606.468561][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3606.468561][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3606.468561][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3606.468561][   T10]      addrconf_dad_begin+0x310/0x670
[ 3606.468561][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3606.468561][   T10]      process_one_work+0x84d/0x18a0
[ 3606.468561][   T10]      worker_thread+0x587/0xd30
[ 3606.468561][   T10]      kthread+0x28a/0x350
[ 3606.468561][   T10]      ret_from_fork+0x31/0x70
[ 3606.468561][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3606.468561][   T10] 
[ 3606.470505][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.470505][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.470505][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.470505][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.470505][   T10]      ip6_route_add+0x1c/0x140
[ 3606.470505][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3606.470505][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3606.470505][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.470505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.470505][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.470505][   T10]      netlink_unicast+0x449/0x710
[ 3606.470505][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.470505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.470505][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.470505][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.470505][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.470505][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.470505][   T10] 
[ 3606.472539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.472539][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.472539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.472539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.472539][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3606.472539][   T10]      ipv6_add_addr+0x411/0x2000
[ 3606.472539][   T10]      inet6_addr_add+0x30e/0xa40
[ 3606.472539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.472539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.472539][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.472539][   T10]      netlink_unicast+0x449/0x710
[ 3606.472539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.472539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.472539][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.472539][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.472539][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.472539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.472539][   T10] 
[ 3606.474553][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.474553][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.474553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.474553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.474553][   T10]      ip6_route_add+0x1c/0x140
[ 3606.474553][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3606.474553][   T10]      addrconf_add_dev+0xe2/0x170
[ 3606.474553][   T10]      inet6_addr_add+0x12f/0xa40
[ 3606.474553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.474553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.474553][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.474553][   T10]      netlink_unicast+0x449/0x710
[ 3606.474553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.474553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.474553][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.474553][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.474553][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.474553][   T10] 
[ 3606.476736][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.476736][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3606.476736][   T10]      ipv6_find_idev+0x102/0x170
[ 3606.476736][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.476736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.476736][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.476736][   T10]      netlink_unicast+0x449/0x710
[ 3606.476736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.476736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.476736][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.476736][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.476736][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.476736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.476736][   T10] 
[ 3606.478594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3606.478594][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3606.478594][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3606.478594][   T10]      ipv6_find_idev+0x102/0x170
[ 3606.478594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.478594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.478594][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.478594][   T10]      netlink_unicast+0x449/0x710
[ 3606.478594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.478594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.478594][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.478594][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.478594][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.478594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.478594][   T10] 
[ 3606.480495][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3606.480810][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3606.480810][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.480810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.480810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.480810][   T10]      ip6_route_add+0x1c/0x140
[ 3606.480810][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3606.480810][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3606.480810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.480810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.480810][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.480810][   T10]      netlink_unicast+0x449/0x710
[ 3606.480810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.480810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.480810][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.480810][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.480810][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.480810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.480810][   T10] 
[ 3606.483007][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3606.483007][   T10]      netdev_get_by_index+0x5e/0x80
[ 3606.483007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3606.483007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3606.483007][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3606.483007][   T10]      ipv6_add_addr+0x411/0x2000
[ 3606.483007][   T10]      inet6_addr_add+0x30e/0xa40
[ 3606.483007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3606.483007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.483007][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.483007][   T10]      netlink_unicast+0x449/0x710
[ 3606.483007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.483007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.483007][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.483007][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.483007][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.483007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.483007][   T10] 
[ 3606.485260][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3606.485260][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3606.485260][   T10]      ipv6_find_idev+0x102/0x170
[ 3606.485260][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.485260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.485260][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.485260][   T10]      netlink_unicast+0x449/0x710
[ 3606.485260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.485260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.485260][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.485260][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.485260][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.485260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.485260][   T10] 
[ 3606.487061][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3606.487061][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3606.487061][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3606.487061][   T10]      ipv6_find_idev+0x102/0x170
[ 3606.487061][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3606.487061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3606.487061][   T10]      netlink_rcv_skb+0x130/0x360
[ 3606.487061][   T10]      netlink_unicast+0x449/0x710
[ 3606.487061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3606.487061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3606.487061][   T10]      ___sys_sendmsg+0xee/0x170
[ 3606.487061][   T10]      __sys_sendmsg+0xcd/0x170
[ 3606.487061][   T10]      do_syscall_64+0xc6/0x1e0
[ 3606.487061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3606.487061][   T10] 
[ 3616.730143][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3616.730605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.730605][   T10]      dst_init+0x84/0x4a0
[ 3616.730605][   T10]      dst_alloc+0x97/0x150
[ 3616.730605][   T10]      ip6_dst_alloc+0x23/0x90
[ 3616.730605][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3616.730605][   T10]      ip6_pol_route+0x56f/0x840
[ 3616.730605][   T10]      fib6_rule_lookup+0x456/0x630
[ 3616.730605][   T10]      ip6_route_input+0x59c/0xa50
[ 3616.730605][   T10]      ipv6_rcv+0x397/0x810
[ 3616.730605][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3616.730605][   T10]      process_backlog+0x101/0x620
[ 3616.730605][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3616.730605][   T10]      net_rx_action+0x495/0xbe0
[ 3616.730605][   T10]      __do_softirq+0x1b5/0x7f6
[ 3616.730605][   T10] 
[ 3616.732264][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.732264][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3616.732264][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3616.732264][   T10]      fib6_nh_init+0xa22/0x1580
[ 3616.732264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.732264][   T10]      ip6_route_add+0x1c/0x140
[ 3616.732264][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3616.732264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.732264][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.732264][   T10]      netlink_unicast+0x449/0x710
[ 3616.732264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.732264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.732264][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.732264][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.732264][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.732264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.732264][   T10] 
[ 3616.734128][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.734128][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.734128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.734128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.734128][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3616.734128][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3616.734128][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3616.734128][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3616.734128][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3616.734128][   T10]      addrconf_dad_begin+0x310/0x670
[ 3616.734128][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3616.734128][   T10]      process_one_work+0x84d/0x18a0
[ 3616.734128][   T10]      worker_thread+0x587/0xd30
[ 3616.734128][   T10]      kthread+0x28a/0x350
[ 3616.734128][   T10]      ret_from_fork+0x31/0x70
[ 3616.734128][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3616.734128][   T10] 
[ 3616.736015][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.736015][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.736015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.736015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.736015][   T10]      ip6_route_add+0x1c/0x140
[ 3616.736015][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3616.736015][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3616.736015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.736015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.736015][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.736015][   T10]      netlink_unicast+0x449/0x710
[ 3616.736015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.736015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.736015][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.736015][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.736015][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.736015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.736015][   T10] 
[ 3616.737990][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.737990][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.737990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.737990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.737990][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3616.737990][   T10]      ipv6_add_addr+0x411/0x2000
[ 3616.737990][   T10]      inet6_addr_add+0x30e/0xa40
[ 3616.737990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.737990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.737990][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.737990][   T10]      netlink_unicast+0x449/0x710
[ 3616.737990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.737990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.737990][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.737990][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.737990][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.737990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.737990][   T10] 
[ 3616.740040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.740040][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.740040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.740040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.740040][   T10]      ip6_route_add+0x1c/0x140
[ 3616.740040][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3616.740040][   T10]      addrconf_add_dev+0xe2/0x170
[ 3616.740040][   T10]      inet6_addr_add+0x12f/0xa40
[ 3616.740040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.740040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.740040][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.740040][   T10]      netlink_unicast+0x449/0x710
[ 3616.740040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.740040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.740040][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.740040][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.740040][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.740040][   T10] 
[ 3616.742001][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.742001][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3616.742001][   T10]      ipv6_find_idev+0x102/0x170
[ 3616.742001][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3616.742001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.742001][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.742001][   T10]      netlink_unicast+0x449/0x710
[ 3616.742001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.742001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.742001][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.742001][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.742001][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.742001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.742001][   T10] 
[ 3616.743568][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3616.743568][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3616.743568][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3616.743568][   T10]      ipv6_find_idev+0x102/0x170
[ 3616.743568][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3616.743568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.743568][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.743568][   T10]      netlink_unicast+0x449/0x710
[ 3616.743568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.743568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.743568][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.743568][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.743568][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.743568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.743568][   T10] 
[ 3616.745295][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3616.745559][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.745559][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3616.745559][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3616.745559][   T10]      fib6_nh_init+0xa22/0x1580
[ 3616.745559][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.745559][   T10]      ip6_route_add+0x1c/0x140
[ 3616.745559][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3616.745559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.745559][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.745559][   T10]      netlink_unicast+0x449/0x710
[ 3616.745559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.745559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.745559][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.745559][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.745559][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.745559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.745559][   T10] 
[ 3616.747414][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.747414][   T10]      dst_init+0x84/0x4a0
[ 3616.747414][   T10]      dst_alloc+0x97/0x150
[ 3616.747414][   T10]      ip6_dst_alloc+0x23/0x90
[ 3616.747414][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3616.747414][   T10]      ip6_pol_route+0x56f/0x840
[ 3616.747414][   T10]      fib6_rule_lookup+0x456/0x630
[ 3616.747414][   T10]      ip6_route_input+0x59c/0xa50
[ 3616.747414][   T10]      ipv6_rcv+0x397/0x810
[ 3616.747414][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3616.747414][   T10]      process_backlog+0x101/0x620
[ 3616.747414][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3616.747414][   T10]      net_rx_action+0x495/0xbe0
[ 3616.747414][   T10]      __do_softirq+0x1b5/0x7f6
[ 3616.747414][   T10] 
[ 3616.749051][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.749051][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.749051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.749051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.749051][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3616.749051][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3616.749051][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3616.749051][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3616.749051][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3616.749051][   T10]      addrconf_dad_begin+0x310/0x670
[ 3616.749051][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3616.749051][   T10]      process_one_work+0x84d/0x18a0
[ 3616.749051][   T10]      worker_thread+0x587/0xd30
[ 3616.749051][   T10]      kthread+0x28a/0x350
[ 3616.749051][   T10]      ret_from_fork+0x31/0x70
[ 3616.749051][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3616.749051][   T10] 
[ 3616.750957][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.750957][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.750957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.750957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.750957][   T10]      ip6_route_add+0x1c/0x140
[ 3616.750957][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3616.750957][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3616.750957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.750957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.750957][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.750957][   T10]      netlink_unicast+0x449/0x710
[ 3616.750957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.750957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.750957][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.750957][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.750957][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.750957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.750957][   T10] 
[ 3616.752953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.752953][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.752953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.752953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.752953][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3616.752953][   T10]      ipv6_add_addr+0x411/0x2000
[ 3616.752953][   T10]      inet6_addr_add+0x30e/0xa40
[ 3616.752953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.752953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.752953][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.752953][   T10]      netlink_unicast+0x449/0x710
[ 3616.752953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.752953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.752953][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.752953][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.752953][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.752953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.752953][   T10] 
[ 3616.754953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.754953][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.754953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.754953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.754953][   T10]      ip6_route_add+0x1c/0x140
[ 3616.754953][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3616.754953][   T10]      addrconf_add_dev+0xe2/0x170
[ 3616.754953][   T10]      inet6_addr_add+0x12f/0xa40
[ 3616.754953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.754953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.754953][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.754953][   T10]      netlink_unicast+0x449/0x710
[ 3616.754953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.754953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.754953][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.754953][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.754953][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.754953][   T10] 
[ 3616.757128][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.757128][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3616.757128][   T10]      ipv6_find_idev+0x102/0x170
[ 3616.757128][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3616.757128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.757128][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.757128][   T10]      netlink_unicast+0x449/0x710
[ 3616.757128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.757128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.757128][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.757128][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.757128][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.757128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.757128][   T10] 
[ 3616.758874][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3616.758874][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3616.758874][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3616.758874][   T10]      ipv6_find_idev+0x102/0x170
[ 3616.758874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3616.758874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.758874][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.758874][   T10]      netlink_unicast+0x449/0x710
[ 3616.758874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.758874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.758874][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.758874][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.758874][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.758874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.758874][   T10] 
[ 3616.760830][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3616.761072][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3616.761072][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.761072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.761072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.761072][   T10]      ip6_route_add+0x1c/0x140
[ 3616.761072][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3616.761072][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3616.761072][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.761072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.761072][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.761072][   T10]      netlink_unicast+0x449/0x710
[ 3616.761072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.761072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.761072][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.761072][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.761072][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.761072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.761072][   T10] 
[ 3616.763364][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3616.763364][   T10]      netdev_get_by_index+0x5e/0x80
[ 3616.763364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3616.763364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3616.763364][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3616.763364][   T10]      ipv6_add_addr+0x411/0x2000
[ 3616.763364][   T10]      inet6_addr_add+0x30e/0xa40
[ 3616.763364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3616.763364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.763364][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.763364][   T10]      netlink_unicast+0x449/0x710
[ 3616.763364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.763364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.763364][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.763364][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.763364][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.763364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.763364][   T10] 
[ 3616.765643][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3616.765643][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3616.765643][   T10]      ipv6_find_idev+0x102/0x170
[ 3616.765643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3616.765643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.765643][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.765643][   T10]      netlink_unicast+0x449/0x710
[ 3616.765643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.765643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.765643][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.765643][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.765643][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.765643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.765643][   T10] 
[ 3616.767497][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3616.767497][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3616.767497][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3616.767497][   T10]      ipv6_find_idev+0x102/0x170
[ 3616.767497][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3616.767497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3616.767497][   T10]      netlink_rcv_skb+0x130/0x360
[ 3616.767497][   T10]      netlink_unicast+0x449/0x710
[ 3616.767497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3616.767497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3616.767497][   T10]      ___sys_sendmsg+0xee/0x170
[ 3616.767497][   T10]      __sys_sendmsg+0xcd/0x170
[ 3616.767497][   T10]      do_syscall_64+0xc6/0x1e0
[ 3616.767497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3616.767497][   T10] 
[ 3627.009640][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3627.010062][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.010062][   T10]      dst_init+0x84/0x4a0
[ 3627.010062][   T10]      dst_alloc+0x97/0x150
[ 3627.010062][   T10]      ip6_dst_alloc+0x23/0x90
[ 3627.010062][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3627.010062][   T10]      ip6_pol_route+0x56f/0x840
[ 3627.010062][   T10]      fib6_rule_lookup+0x456/0x630
[ 3627.010062][   T10]      ip6_route_input+0x59c/0xa50
[ 3627.010062][   T10]      ipv6_rcv+0x397/0x810
[ 3627.010062][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3627.010062][   T10]      process_backlog+0x101/0x620
[ 3627.010062][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3627.010062][   T10]      net_rx_action+0x495/0xbe0
[ 3627.010062][   T10]      __do_softirq+0x1b5/0x7f6
[ 3627.010062][   T10] 
[ 3627.011769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.011769][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3627.011769][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3627.011769][   T10]      fib6_nh_init+0xa22/0x1580
[ 3627.011769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.011769][   T10]      ip6_route_add+0x1c/0x140
[ 3627.011769][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3627.011769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.011769][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.011769][   T10]      netlink_unicast+0x449/0x710
[ 3627.011769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.011769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.011769][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.011769][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.011769][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.011769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.011769][   T10] 
[ 3627.013691][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.013691][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.013691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.013691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.013691][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3627.013691][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3627.013691][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3627.013691][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3627.013691][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3627.013691][   T10]      addrconf_dad_begin+0x310/0x670
[ 3627.013691][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3627.013691][   T10]      process_one_work+0x84d/0x18a0
[ 3627.013691][   T10]      worker_thread+0x587/0xd30
[ 3627.013691][   T10]      kthread+0x28a/0x350
[ 3627.013691][   T10]      ret_from_fork+0x31/0x70
[ 3627.013691][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3627.013691][   T10] 
[ 3627.015619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.015619][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.015619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.015619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.015619][   T10]      ip6_route_add+0x1c/0x140
[ 3627.015619][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3627.015619][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3627.015619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.015619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.015619][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.015619][   T10]      netlink_unicast+0x449/0x710
[ 3627.015619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.015619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.015619][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.015619][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.015619][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.015619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.015619][   T10] 
[ 3627.017646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.017646][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.017646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.017646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.017646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3627.017646][   T10]      ipv6_add_addr+0x411/0x2000
[ 3627.017646][   T10]      inet6_addr_add+0x30e/0xa40
[ 3627.017646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.017646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.017646][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.017646][   T10]      netlink_unicast+0x449/0x710
[ 3627.017646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.017646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.017646][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.017646][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.017646][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.017646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.017646][   T10] 
[ 3627.019686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.019686][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.019686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.019686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.019686][   T10]      ip6_route_add+0x1c/0x140
[ 3627.019686][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3627.019686][   T10]      addrconf_add_dev+0xe2/0x170
[ 3627.019686][   T10]      inet6_addr_add+0x12f/0xa40
[ 3627.019686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.019686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.019686][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.019686][   T10]      netlink_unicast+0x449/0x710
[ 3627.019686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.019686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.019686][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.019686][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.019686][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.019686][   T10] 
[ 3627.021686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.021686][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3627.021686][   T10]      ipv6_find_idev+0x102/0x170
[ 3627.021686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.021686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.021686][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.021686][   T10]      netlink_unicast+0x449/0x710
[ 3627.021686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.021686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.021686][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.021686][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.021686][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.021686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.021686][   T10] 
[ 3627.023242][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3627.023242][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3627.023242][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3627.023242][   T10]      ipv6_find_idev+0x102/0x170
[ 3627.023242][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.023242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.023242][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.023242][   T10]      netlink_unicast+0x449/0x710
[ 3627.023242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.023242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.023242][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.023242][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.023242][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.023242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.023242][   T10] 
[ 3627.024975][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3627.025219][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.025219][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3627.025219][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3627.025219][   T10]      fib6_nh_init+0xa22/0x1580
[ 3627.025219][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.025219][   T10]      ip6_route_add+0x1c/0x140
[ 3627.025219][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3627.025219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.025219][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.025219][   T10]      netlink_unicast+0x449/0x710
[ 3627.025219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.025219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.025219][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.025219][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.025219][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.025219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.025219][   T10] 
[ 3627.027120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.027120][   T10]      dst_init+0x84/0x4a0
[ 3627.027120][   T10]      dst_alloc+0x97/0x150
[ 3627.027120][   T10]      ip6_dst_alloc+0x23/0x90
[ 3627.027120][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3627.027120][   T10]      ip6_pol_route+0x56f/0x840
[ 3627.027120][   T10]      fib6_rule_lookup+0x456/0x630
[ 3627.027120][   T10]      ip6_route_input+0x59c/0xa50
[ 3627.027120][   T10]      ipv6_rcv+0x397/0x810
[ 3627.027120][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3627.027120][   T10]      process_backlog+0x101/0x620
[ 3627.027120][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3627.027120][   T10]      net_rx_action+0x495/0xbe0
[ 3627.027120][   T10]      __do_softirq+0x1b5/0x7f6
[ 3627.027120][   T10] 
[ 3627.028784][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.028784][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.028784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.028784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.028784][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3627.028784][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3627.028784][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3627.028784][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3627.028784][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3627.028784][   T10]      addrconf_dad_begin+0x310/0x670
[ 3627.028784][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3627.028784][   T10]      process_one_work+0x84d/0x18a0
[ 3627.028784][   T10]      worker_thread+0x587/0xd30
[ 3627.028784][   T10]      kthread+0x28a/0x350
[ 3627.028784][   T10]      ret_from_fork+0x31/0x70
[ 3627.028784][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3627.028784][   T10] 
[ 3627.030706][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.030706][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.030706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.030706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.030706][   T10]      ip6_route_add+0x1c/0x140
[ 3627.030706][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3627.030706][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3627.030706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.030706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.030706][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.030706][   T10]      netlink_unicast+0x449/0x710
[ 3627.030706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.030706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.030706][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.030706][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.030706][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.030706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.030706][   T10] 
[ 3627.032730][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.032730][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.032730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.032730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.032730][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3627.032730][   T10]      ipv6_add_addr+0x411/0x2000
[ 3627.032730][   T10]      inet6_addr_add+0x30e/0xa40
[ 3627.032730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.032730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.032730][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.032730][   T10]      netlink_unicast+0x449/0x710
[ 3627.032730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.032730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.032730][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.032730][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.032730][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.032730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.032730][   T10] 
[ 3627.034749][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.034749][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.034749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.034749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.034749][   T10]      ip6_route_add+0x1c/0x140
[ 3627.034749][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3627.034749][   T10]      addrconf_add_dev+0xe2/0x170
[ 3627.034749][   T10]      inet6_addr_add+0x12f/0xa40
[ 3627.034749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.034749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.034749][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.034749][   T10]      netlink_unicast+0x449/0x710
[ 3627.034749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.034749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.034749][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.034749][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.034749][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.034749][   T10] 
[ 3627.036918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.036918][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3627.036918][   T10]      ipv6_find_idev+0x102/0x170
[ 3627.036918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.036918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.036918][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.036918][   T10]      netlink_unicast+0x449/0x710
[ 3627.036918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.036918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.036918][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.036918][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.036918][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.036918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.036918][   T10] 
[ 3627.038719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3627.038719][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3627.038719][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3627.038719][   T10]      ipv6_find_idev+0x102/0x170
[ 3627.038719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.038719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.038719][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.038719][   T10]      netlink_unicast+0x449/0x710
[ 3627.038719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.038719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.038719][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.038719][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.038719][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.038719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.038719][   T10] 
[ 3627.040616][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3627.040860][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3627.040860][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.040860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.040860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.040860][   T10]      ip6_route_add+0x1c/0x140
[ 3627.040860][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3627.040860][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3627.040860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.040860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.040860][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.040860][   T10]      netlink_unicast+0x449/0x710
[ 3627.040860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.040860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.040860][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.040860][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.040860][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.040860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.040860][   T10] 
[ 3627.043118][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3627.043118][   T10]      netdev_get_by_index+0x5e/0x80
[ 3627.043118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3627.043118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3627.043118][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3627.043118][   T10]      ipv6_add_addr+0x411/0x2000
[ 3627.043118][   T10]      inet6_addr_add+0x30e/0xa40
[ 3627.043118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3627.043118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.043118][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.043118][   T10]      netlink_unicast+0x449/0x710
[ 3627.043118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.043118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.043118][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.043118][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.043118][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.043118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.043118][   T10] 
[ 3627.045402][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3627.045402][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3627.045402][   T10]      ipv6_find_idev+0x102/0x170
[ 3627.045402][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.045402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.045402][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.045402][   T10]      netlink_unicast+0x449/0x710
[ 3627.045402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.045402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.045402][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.045402][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.045402][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.045402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.045402][   T10] 
[ 3627.047206][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3627.047206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3627.047206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3627.047206][   T10]      ipv6_find_idev+0x102/0x170
[ 3627.047206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3627.047206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3627.047206][   T10]      netlink_rcv_skb+0x130/0x360
[ 3627.047206][   T10]      netlink_unicast+0x449/0x710
[ 3627.047206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3627.047206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3627.047206][   T10]      ___sys_sendmsg+0xee/0x170
[ 3627.047206][   T10]      __sys_sendmsg+0xcd/0x170
[ 3627.047206][   T10]      do_syscall_64+0xc6/0x1e0
[ 3627.047206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3627.047206][   T10] 
[ 3637.288726][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3637.289197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.289197][   T10]      dst_init+0x84/0x4a0
[ 3637.289197][   T10]      dst_alloc+0x97/0x150
[ 3637.289197][   T10]      ip6_dst_alloc+0x23/0x90
[ 3637.289197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3637.289197][   T10]      ip6_pol_route+0x56f/0x840
[ 3637.289197][   T10]      fib6_rule_lookup+0x456/0x630
[ 3637.289197][   T10]      ip6_route_input+0x59c/0xa50
[ 3637.289197][   T10]      ipv6_rcv+0x397/0x810
[ 3637.289197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3637.289197][   T10]      process_backlog+0x101/0x620
[ 3637.289197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3637.289197][   T10]      net_rx_action+0x495/0xbe0
[ 3637.289197][   T10]      __do_softirq+0x1b5/0x7f6
[ 3637.289197][   T10] 
[ 3637.290890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.290890][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3637.290890][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3637.290890][   T10]      fib6_nh_init+0xa22/0x1580
[ 3637.290890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.290890][   T10]      ip6_route_add+0x1c/0x140
[ 3637.290890][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3637.290890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.290890][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.290890][   T10]      netlink_unicast+0x449/0x710
[ 3637.290890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.290890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.290890][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.290890][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.290890][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.290890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.290890][   T10] 
[ 3637.292800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.292800][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.292800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.292800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.292800][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3637.292800][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3637.292800][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3637.292800][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3637.292800][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3637.292800][   T10]      addrconf_dad_begin+0x310/0x670
[ 3637.292800][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3637.292800][   T10]      process_one_work+0x84d/0x18a0
[ 3637.292800][   T10]      worker_thread+0x587/0xd30
[ 3637.292800][   T10]      kthread+0x28a/0x350
[ 3637.292800][   T10]      ret_from_fork+0x31/0x70
[ 3637.292800][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3637.292800][   T10] 
[ 3637.294733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.294733][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.294733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.294733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.294733][   T10]      ip6_route_add+0x1c/0x140
[ 3637.294733][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3637.294733][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3637.294733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.294733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.294733][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.294733][   T10]      netlink_unicast+0x449/0x710
[ 3637.294733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.294733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.294733][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.294733][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.294733][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.294733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.294733][   T10] 
[ 3637.296761][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.296761][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.296761][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.296761][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.296761][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3637.296761][   T10]      ipv6_add_addr+0x411/0x2000
[ 3637.296761][   T10]      inet6_addr_add+0x30e/0xa40
[ 3637.296761][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.296761][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.296761][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.296761][   T10]      netlink_unicast+0x449/0x710
[ 3637.296761][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.296761][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.296761][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.296761][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.296761][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.296761][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.296761][   T10] 
[ 3637.298802][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.298802][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.298802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.298802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.298802][   T10]      ip6_route_add+0x1c/0x140
[ 3637.298802][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3637.298802][   T10]      addrconf_add_dev+0xe2/0x170
[ 3637.298802][   T10]      inet6_addr_add+0x12f/0xa40
[ 3637.298802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.298802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.298802][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.298802][   T10]      netlink_unicast+0x449/0x710
[ 3637.298802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.298802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.298802][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.298802][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.298802][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.298802][   T10] 
[ 3637.300788][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.300788][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3637.300788][   T10]      ipv6_find_idev+0x102/0x170
[ 3637.300788][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.300788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.300788][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.300788][   T10]      netlink_unicast+0x449/0x710
[ 3637.300788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.300788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.300788][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.300788][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.300788][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.300788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.300788][   T10] 
[ 3637.302365][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3637.302365][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3637.302365][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3637.302365][   T10]      ipv6_find_idev+0x102/0x170
[ 3637.302365][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.302365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.302365][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.302365][   T10]      netlink_unicast+0x449/0x710
[ 3637.302365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.302365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.302365][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.302365][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.302365][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.302365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.302365][   T10] 
[ 3637.304100][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3637.304346][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.304346][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3637.304346][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3637.304346][   T10]      fib6_nh_init+0xa22/0x1580
[ 3637.304346][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.304346][   T10]      ip6_route_add+0x1c/0x140
[ 3637.304346][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3637.304346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.304346][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.304346][   T10]      netlink_unicast+0x449/0x710
[ 3637.304346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.304346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.304346][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.304346][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.304346][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.304346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.304346][   T10] 
[ 3637.306276][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.306276][   T10]      dst_init+0x84/0x4a0
[ 3637.306276][   T10]      dst_alloc+0x97/0x150
[ 3637.306276][   T10]      ip6_dst_alloc+0x23/0x90
[ 3637.306276][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3637.306276][   T10]      ip6_pol_route+0x56f/0x840
[ 3637.306276][   T10]      fib6_rule_lookup+0x456/0x630
[ 3637.306276][   T10]      ip6_route_input+0x59c/0xa50
[ 3637.306276][   T10]      ipv6_rcv+0x397/0x810
[ 3637.306276][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3637.306276][   T10]      process_backlog+0x101/0x620
[ 3637.306276][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3637.306276][   T10]      net_rx_action+0x495/0xbe0
[ 3637.306276][   T10]      __do_softirq+0x1b5/0x7f6
[ 3637.306276][   T10] 
[ 3637.307923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.307923][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.307923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.307923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.307923][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3637.307923][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3637.307923][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3637.307923][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3637.307923][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3637.307923][   T10]      addrconf_dad_begin+0x310/0x670
[ 3637.307923][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3637.307923][   T10]      process_one_work+0x84d/0x18a0
[ 3637.307923][   T10]      worker_thread+0x587/0xd30
[ 3637.307923][   T10]      kthread+0x28a/0x350
[ 3637.307923][   T10]      ret_from_fork+0x31/0x70
[ 3637.307923][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3637.307923][   T10] 
[ 3637.309879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.309879][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.309879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.309879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.309879][   T10]      ip6_route_add+0x1c/0x140
[ 3637.309879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3637.309879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3637.309879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.309879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.309879][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.309879][   T10]      netlink_unicast+0x449/0x710
[ 3637.309879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.309879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.309879][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.309879][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.309879][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.309879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.309879][   T10] 
[ 3637.311911][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.311911][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.311911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.311911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.311911][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3637.311911][   T10]      ipv6_add_addr+0x411/0x2000
[ 3637.311911][   T10]      inet6_addr_add+0x30e/0xa40
[ 3637.311911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.311911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.311911][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.311911][   T10]      netlink_unicast+0x449/0x710
[ 3637.311911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.311911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.311911][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.311911][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.311911][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.311911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.311911][   T10] 
[ 3637.313929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.313929][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.313929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.313929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.313929][   T10]      ip6_route_add+0x1c/0x140
[ 3637.313929][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3637.313929][   T10]      addrconf_add_dev+0xe2/0x170
[ 3637.313929][   T10]      inet6_addr_add+0x12f/0xa40
[ 3637.313929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.313929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.313929][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.313929][   T10]      netlink_unicast+0x449/0x710
[ 3637.313929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.313929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.313929][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.313929][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.313929][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.313929][   T10] 
[ 3637.316121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.316121][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3637.316121][   T10]      ipv6_find_idev+0x102/0x170
[ 3637.316121][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.316121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.316121][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.316121][   T10]      netlink_unicast+0x449/0x710
[ 3637.316121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.316121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.316121][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.316121][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.316121][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.316121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.316121][   T10] 
[ 3637.317876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3637.317876][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3637.317876][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3637.317876][   T10]      ipv6_find_idev+0x102/0x170
[ 3637.317876][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.317876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.317876][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.317876][   T10]      netlink_unicast+0x449/0x710
[ 3637.317876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.317876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.317876][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.317876][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.317876][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.317876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.317876][   T10] 
[ 3637.319854][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3637.320103][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3637.320103][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.320103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.320103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.320103][   T10]      ip6_route_add+0x1c/0x140
[ 3637.320103][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3637.320103][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3637.320103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.320103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.320103][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.320103][   T10]      netlink_unicast+0x449/0x710
[ 3637.320103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.320103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.320103][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.320103][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.320103][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.320103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.320103][   T10] 
[ 3637.322379][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3637.322379][   T10]      netdev_get_by_index+0x5e/0x80
[ 3637.322379][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3637.322379][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3637.322379][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3637.322379][   T10]      ipv6_add_addr+0x411/0x2000
[ 3637.322379][   T10]      inet6_addr_add+0x30e/0xa40
[ 3637.322379][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3637.322379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.322379][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.322379][   T10]      netlink_unicast+0x449/0x710
[ 3637.322379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.322379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.322379][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.322379][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.322379][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.322379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.322379][   T10] 
[ 3637.324637][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3637.324637][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3637.324637][   T10]      ipv6_find_idev+0x102/0x170
[ 3637.324637][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.324637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.324637][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.324637][   T10]      netlink_unicast+0x449/0x710
[ 3637.324637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.324637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.324637][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.324637][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.324637][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.324637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.324637][   T10] 
[ 3637.326372][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3637.326372][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3637.326372][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3637.326372][   T10]      ipv6_find_idev+0x102/0x170
[ 3637.326372][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3637.326372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3637.326372][   T10]      netlink_rcv_skb+0x130/0x360
[ 3637.326372][   T10]      netlink_unicast+0x449/0x710
[ 3637.326372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3637.326372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3637.326372][   T10]      ___sys_sendmsg+0xee/0x170
[ 3637.326372][   T10]      __sys_sendmsg+0xcd/0x170
[ 3637.326372][   T10]      do_syscall_64+0xc6/0x1e0
[ 3637.326372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3637.326372][   T10] 
[ 3647.568735][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3647.569200][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.569200][   T10]      dst_init+0x84/0x4a0
[ 3647.569200][   T10]      dst_alloc+0x97/0x150
[ 3647.569200][   T10]      ip6_dst_alloc+0x23/0x90
[ 3647.569200][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3647.569200][   T10]      ip6_pol_route+0x56f/0x840
[ 3647.569200][   T10]      fib6_rule_lookup+0x456/0x630
[ 3647.569200][   T10]      ip6_route_input+0x59c/0xa50
[ 3647.569200][   T10]      ipv6_rcv+0x397/0x810
[ 3647.569200][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3647.569200][   T10]      process_backlog+0x101/0x620
[ 3647.569200][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3647.569200][   T10]      net_rx_action+0x495/0xbe0
[ 3647.569200][   T10]      __do_softirq+0x1b5/0x7f6
[ 3647.569200][   T10] 
[ 3647.570894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.570894][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3647.570894][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3647.570894][   T10]      fib6_nh_init+0xa22/0x1580
[ 3647.570894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.570894][   T10]      ip6_route_add+0x1c/0x140
[ 3647.570894][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3647.570894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.570894][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.570894][   T10]      netlink_unicast+0x449/0x710
[ 3647.570894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.570894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.570894][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.570894][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.570894][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.570894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.570894][   T10] 
[ 3647.572796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.572796][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.572796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.572796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.572796][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3647.572796][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3647.572796][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3647.572796][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3647.572796][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3647.572796][   T10]      addrconf_dad_begin+0x310/0x670
[ 3647.572796][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3647.572796][   T10]      process_one_work+0x84d/0x18a0
[ 3647.572796][   T10]      worker_thread+0x587/0xd30
[ 3647.572796][   T10]      kthread+0x28a/0x350
[ 3647.572796][   T10]      ret_from_fork+0x31/0x70
[ 3647.572796][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3647.572796][   T10] 
[ 3647.574727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.574727][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.574727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.574727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.574727][   T10]      ip6_route_add+0x1c/0x140
[ 3647.574727][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3647.574727][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3647.574727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.574727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.574727][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.574727][   T10]      netlink_unicast+0x449/0x710
[ 3647.574727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.574727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.574727][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.574727][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.574727][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.574727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.574727][   T10] 
[ 3647.576793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.576793][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.576793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.576793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.576793][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3647.576793][   T10]      ipv6_add_addr+0x411/0x2000
[ 3647.576793][   T10]      inet6_addr_add+0x30e/0xa40
[ 3647.576793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.576793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.576793][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.576793][   T10]      netlink_unicast+0x449/0x710
[ 3647.576793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.576793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.576793][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.576793][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.576793][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.576793][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.576793][   T10] 
[ 3647.578842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.578842][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.578842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.578842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.578842][   T10]      ip6_route_add+0x1c/0x140
[ 3647.578842][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3647.578842][   T10]      addrconf_add_dev+0xe2/0x170
[ 3647.578842][   T10]      inet6_addr_add+0x12f/0xa40
[ 3647.578842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.578842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.578842][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.578842][   T10]      netlink_unicast+0x449/0x710
[ 3647.578842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.578842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.578842][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.578842][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.578842][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.578842][   T10] 
[ 3647.580828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.580828][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3647.580828][   T10]      ipv6_find_idev+0x102/0x170
[ 3647.580828][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.580828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.580828][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.580828][   T10]      netlink_unicast+0x449/0x710
[ 3647.580828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.580828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.580828][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.580828][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.580828][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.580828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.580828][   T10] 
[ 3647.582393][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3647.582393][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3647.582393][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3647.582393][   T10]      ipv6_find_idev+0x102/0x170
[ 3647.582393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.582393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.582393][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.582393][   T10]      netlink_unicast+0x449/0x710
[ 3647.582393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.582393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.582393][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.582393][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.582393][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.582393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.582393][   T10] 
[ 3647.584136][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3647.584384][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.584384][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3647.584384][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3647.584384][   T10]      fib6_nh_init+0xa22/0x1580
[ 3647.584384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.584384][   T10]      ip6_route_add+0x1c/0x140
[ 3647.584384][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3647.584384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.584384][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.584384][   T10]      netlink_unicast+0x449/0x710
[ 3647.584384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.584384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.584384][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.584384][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.584384][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.584384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.584384][   T10] 
[ 3647.586288][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.586288][   T10]      dst_init+0x84/0x4a0
[ 3647.586288][   T10]      dst_alloc+0x97/0x150
[ 3647.586288][   T10]      ip6_dst_alloc+0x23/0x90
[ 3647.586288][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3647.586288][   T10]      ip6_pol_route+0x56f/0x840
[ 3647.586288][   T10]      fib6_rule_lookup+0x456/0x630
[ 3647.586288][   T10]      ip6_route_input+0x59c/0xa50
[ 3647.586288][   T10]      ipv6_rcv+0x397/0x810
[ 3647.586288][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3647.586288][   T10]      process_backlog+0x101/0x620
[ 3647.586288][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3647.586288][   T10]      net_rx_action+0x495/0xbe0
[ 3647.586288][   T10]      __do_softirq+0x1b5/0x7f6
[ 3647.586288][   T10] 
[ 3647.587945][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.587945][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.587945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.587945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.587945][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3647.587945][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3647.587945][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3647.587945][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3647.587945][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3647.587945][   T10]      addrconf_dad_begin+0x310/0x670
[ 3647.587945][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3647.587945][   T10]      process_one_work+0x84d/0x18a0
[ 3647.587945][   T10]      worker_thread+0x587/0xd30
[ 3647.587945][   T10]      kthread+0x28a/0x350
[ 3647.587945][   T10]      ret_from_fork+0x31/0x70
[ 3647.587945][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3647.587945][   T10] 
[ 3647.589886][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.589886][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.589886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.589886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.589886][   T10]      ip6_route_add+0x1c/0x140
[ 3647.589886][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3647.589886][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3647.589886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.589886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.589886][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.589886][   T10]      netlink_unicast+0x449/0x710
[ 3647.589886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.589886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.589886][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.589886][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.589886][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.589886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.589886][   T10] 
[ 3647.591910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.591910][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.591910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.591910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.591910][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3647.591910][   T10]      ipv6_add_addr+0x411/0x2000
[ 3647.591910][   T10]      inet6_addr_add+0x30e/0xa40
[ 3647.591910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.591910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.591910][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.591910][   T10]      netlink_unicast+0x449/0x710
[ 3647.591910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.591910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.591910][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.591910][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.591910][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.591910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.591910][   T10] 
[ 3647.593937][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.593937][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.593937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.593937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.593937][   T10]      ip6_route_add+0x1c/0x140
[ 3647.593937][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3647.593937][   T10]      addrconf_add_dev+0xe2/0x170
[ 3647.593937][   T10]      inet6_addr_add+0x12f/0xa40
[ 3647.593937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.593937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.593937][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.593937][   T10]      netlink_unicast+0x449/0x710
[ 3647.593937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.593937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.593937][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.593937][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.593937][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.593937][   T10] 
[ 3647.596115][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.596115][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3647.596115][   T10]      ipv6_find_idev+0x102/0x170
[ 3647.596115][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.596115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.596115][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.596115][   T10]      netlink_unicast+0x449/0x710
[ 3647.596115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.596115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.596115][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.596115][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.596115][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.596115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.596115][   T10] 
[ 3647.597922][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3647.597922][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3647.597922][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3647.597922][   T10]      ipv6_find_idev+0x102/0x170
[ 3647.597922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.597922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.597922][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.597922][   T10]      netlink_unicast+0x449/0x710
[ 3647.597922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.597922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.597922][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.597922][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.597922][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.597922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.597922][   T10] 
[ 3647.599856][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3647.600111][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3647.600111][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.600111][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.600111][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.600111][   T10]      ip6_route_add+0x1c/0x140
[ 3647.600111][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3647.600111][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3647.600111][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.600111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.600111][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.600111][   T10]      netlink_unicast+0x449/0x710
[ 3647.600111][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.600111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.600111][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.600111][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.600111][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.600111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.600111][   T10] 
[ 3647.602377][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3647.602377][   T10]      netdev_get_by_index+0x5e/0x80
[ 3647.602377][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3647.602377][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3647.602377][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3647.602377][   T10]      ipv6_add_addr+0x411/0x2000
[ 3647.602377][   T10]      inet6_addr_add+0x30e/0xa40
[ 3647.602377][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3647.602377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.602377][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.602377][   T10]      netlink_unicast+0x449/0x710
[ 3647.602377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.602377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.602377][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.602377][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.602377][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.602377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.602377][   T10] 
[ 3647.604681][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3647.604681][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3647.604681][   T10]      ipv6_find_idev+0x102/0x170
[ 3647.604681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.604681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.604681][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.604681][   T10]      netlink_unicast+0x449/0x710
[ 3647.604681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.604681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.604681][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.604681][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.604681][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.604681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.604681][   T10] 
[ 3647.606482][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3647.606482][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3647.606482][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3647.606482][   T10]      ipv6_find_idev+0x102/0x170
[ 3647.606482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3647.606482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3647.606482][   T10]      netlink_rcv_skb+0x130/0x360
[ 3647.606482][   T10]      netlink_unicast+0x449/0x710
[ 3647.606482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3647.606482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3647.606482][   T10]      ___sys_sendmsg+0xee/0x170
[ 3647.606482][   T10]      __sys_sendmsg+0xcd/0x170
[ 3647.606482][   T10]      do_syscall_64+0xc6/0x1e0
[ 3647.606482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3647.606482][   T10] 
[ 3657.848719][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3657.849155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.849155][   T10]      dst_init+0x84/0x4a0
[ 3657.849155][   T10]      dst_alloc+0x97/0x150
[ 3657.849155][   T10]      ip6_dst_alloc+0x23/0x90
[ 3657.849155][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3657.849155][   T10]      ip6_pol_route+0x56f/0x840
[ 3657.849155][   T10]      fib6_rule_lookup+0x456/0x630
[ 3657.849155][   T10]      ip6_route_input+0x59c/0xa50
[ 3657.849155][   T10]      ipv6_rcv+0x397/0x810
[ 3657.849155][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3657.849155][   T10]      process_backlog+0x101/0x620
[ 3657.849155][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3657.849155][   T10]      net_rx_action+0x495/0xbe0
[ 3657.849155][   T10]      __do_softirq+0x1b5/0x7f6
[ 3657.849155][   T10] 
[ 3657.851038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.851038][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3657.851038][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3657.851038][   T10]      fib6_nh_init+0xa22/0x1580
[ 3657.851038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.851038][   T10]      ip6_route_add+0x1c/0x140
[ 3657.851038][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3657.851038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.851038][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.851038][   T10]      netlink_unicast+0x449/0x710
[ 3657.851038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.851038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.851038][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.851038][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.851038][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.851038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.851038][   T10] 
[ 3657.853158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.853158][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.853158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.853158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.853158][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3657.853158][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3657.853158][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3657.853158][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3657.853158][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3657.853158][   T10]      addrconf_dad_begin+0x310/0x670
[ 3657.853158][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3657.853158][   T10]      process_one_work+0x84d/0x18a0
[ 3657.853158][   T10]      worker_thread+0x587/0xd30
[ 3657.853158][   T10]      kthread+0x28a/0x350
[ 3657.853158][   T10]      ret_from_fork+0x31/0x70
[ 3657.853158][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3657.853158][   T10] 
[ 3657.855295][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.855295][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.855295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.855295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.855295][   T10]      ip6_route_add+0x1c/0x140
[ 3657.855295][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3657.855295][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3657.855295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.855295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.855295][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.855295][   T10]      netlink_unicast+0x449/0x710
[ 3657.855295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.855295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.855295][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.855295][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.855295][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.855295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.855295][   T10] 
[ 3657.857530][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.857530][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.857530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.857530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.857530][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3657.857530][   T10]      ipv6_add_addr+0x411/0x2000
[ 3657.857530][   T10]      inet6_addr_add+0x30e/0xa40
[ 3657.857530][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.857530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.857530][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.857530][   T10]      netlink_unicast+0x449/0x710
[ 3657.857530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.857530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.857530][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.857530][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.857530][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.857530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.857530][   T10] 
[ 3657.859806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.859806][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.859806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.859806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.859806][   T10]      ip6_route_add+0x1c/0x140
[ 3657.859806][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3657.859806][   T10]      addrconf_add_dev+0xe2/0x170
[ 3657.859806][   T10]      inet6_addr_add+0x12f/0xa40
[ 3657.859806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.859806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.859806][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.859806][   T10]      netlink_unicast+0x449/0x710
[ 3657.859806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.859806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.859806][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.859806][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.859806][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.859806][   T10] 
[ 3657.862006][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.862006][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3657.862006][   T10]      ipv6_find_idev+0x102/0x170
[ 3657.862006][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.862006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.862006][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.862006][   T10]      netlink_unicast+0x449/0x710
[ 3657.862006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.862006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.862006][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.862006][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.862006][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.862006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.862006][   T10] 
[ 3657.864101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3657.864101][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3657.864101][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3657.864101][   T10]      ipv6_find_idev+0x102/0x170
[ 3657.864101][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.864101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.864101][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.864101][   T10]      netlink_unicast+0x449/0x710
[ 3657.864101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.864101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.864101][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.864101][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.864101][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.864101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.864101][   T10] 
[ 3657.866521][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3657.866794][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.866794][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3657.866794][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3657.866794][   T10]      fib6_nh_init+0xa22/0x1580
[ 3657.866794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.866794][   T10]      ip6_route_add+0x1c/0x140
[ 3657.866794][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3657.866794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.866794][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.866794][   T10]      netlink_unicast+0x449/0x710
[ 3657.866794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.866794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.866794][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.866794][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.866794][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.866794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.866794][   T10] 
[ 3657.868906][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.868906][   T10]      dst_init+0x84/0x4a0
[ 3657.868906][   T10]      dst_alloc+0x97/0x150
[ 3657.868906][   T10]      ip6_dst_alloc+0x23/0x90
[ 3657.868906][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3657.868906][   T10]      ip6_pol_route+0x56f/0x840
[ 3657.868906][   T10]      fib6_rule_lookup+0x456/0x630
[ 3657.868906][   T10]      ip6_route_input+0x59c/0xa50
[ 3657.868906][   T10]      ipv6_rcv+0x397/0x810
[ 3657.868906][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3657.868906][   T10]      process_backlog+0x101/0x620
[ 3657.868906][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3657.868906][   T10]      net_rx_action+0x495/0xbe0
[ 3657.868906][   T10]      __do_softirq+0x1b5/0x7f6
[ 3657.868906][   T10] 
[ 3657.870752][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.870752][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.870752][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.870752][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.870752][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3657.870752][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3657.870752][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3657.870752][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3657.870752][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3657.870752][   T10]      addrconf_dad_begin+0x310/0x670
[ 3657.870752][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3657.870752][   T10]      process_one_work+0x84d/0x18a0
[ 3657.870752][   T10]      worker_thread+0x587/0xd30
[ 3657.870752][   T10]      kthread+0x28a/0x350
[ 3657.870752][   T10]      ret_from_fork+0x31/0x70
[ 3657.870752][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3657.870752][   T10] 
[ 3657.872887][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.872887][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.872887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.872887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.872887][   T10]      ip6_route_add+0x1c/0x140
[ 3657.872887][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3657.872887][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3657.872887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.872887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.872887][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.872887][   T10]      netlink_unicast+0x449/0x710
[ 3657.872887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.872887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.872887][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.872887][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.872887][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.872887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.872887][   T10] 
[ 3657.875120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.875120][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.875120][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.875120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.875120][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3657.875120][   T10]      ipv6_add_addr+0x411/0x2000
[ 3657.875120][   T10]      inet6_addr_add+0x30e/0xa40
[ 3657.875120][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.875120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.875120][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.875120][   T10]      netlink_unicast+0x449/0x710
[ 3657.875120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.875120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.875120][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.875120][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.875120][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.875120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.875120][   T10] 
[ 3657.877355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.877355][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.877355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.877355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.877355][   T10]      ip6_route_add+0x1c/0x140
[ 3657.877355][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3657.877355][   T10]      addrconf_add_dev+0xe2/0x170
[ 3657.877355][   T10]      inet6_addr_add+0x12f/0xa40
[ 3657.877355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.877355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.877355][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.877355][   T10]      netlink_unicast+0x449/0x710
[ 3657.877355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.877355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.877355][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.877355][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.877355][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.877355][   T10] 
[ 3657.879680][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.879680][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3657.879680][   T10]      ipv6_find_idev+0x102/0x170
[ 3657.879680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.879680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.879680][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.879680][   T10]      netlink_unicast+0x449/0x710
[ 3657.879680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.879680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.879680][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.879680][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.879680][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.879680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.879680][   T10] 
[ 3657.881562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3657.881562][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3657.881562][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3657.881562][   T10]      ipv6_find_idev+0x102/0x170
[ 3657.881562][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.881562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.881562][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.881562][   T10]      netlink_unicast+0x449/0x710
[ 3657.881562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.881562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.881562][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.881562][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.881562][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.881562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.881562][   T10] 
[ 3657.883676][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3657.884008][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3657.884008][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.884008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.884008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.884008][   T10]      ip6_route_add+0x1c/0x140
[ 3657.884008][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3657.884008][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3657.884008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.884008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.884008][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.884008][   T10]      netlink_unicast+0x449/0x710
[ 3657.884008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.884008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.884008][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.884008][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.884008][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.884008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.884008][   T10] 
[ 3657.886420][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3657.886420][   T10]      netdev_get_by_index+0x5e/0x80
[ 3657.886420][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3657.886420][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3657.886420][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3657.886420][   T10]      ipv6_add_addr+0x411/0x2000
[ 3657.886420][   T10]      inet6_addr_add+0x30e/0xa40
[ 3657.886420][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3657.886420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.886420][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.886420][   T10]      netlink_unicast+0x449/0x710
[ 3657.886420][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.886420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.886420][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.886420][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.886420][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.886420][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.886420][   T10] 
[ 3657.888802][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3657.888802][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3657.888802][   T10]      ipv6_find_idev+0x102/0x170
[ 3657.888802][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.888802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.888802][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.888802][   T10]      netlink_unicast+0x449/0x710
[ 3657.888802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.888802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.888802][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.888802][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.888802][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.888802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.888802][   T10] 
[ 3657.890688][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3657.890688][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3657.890688][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3657.890688][   T10]      ipv6_find_idev+0x102/0x170
[ 3657.890688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3657.890688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3657.890688][   T10]      netlink_rcv_skb+0x130/0x360
[ 3657.890688][   T10]      netlink_unicast+0x449/0x710
[ 3657.890688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3657.890688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3657.890688][   T10]      ___sys_sendmsg+0xee/0x170
[ 3657.890688][   T10]      __sys_sendmsg+0xcd/0x170
[ 3657.890688][   T10]      do_syscall_64+0xc6/0x1e0
[ 3657.890688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3657.890688][   T10] 
[ 3668.128789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3668.129358][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.129358][   T10]      dst_init+0x84/0x4a0
[ 3668.129358][   T10]      dst_alloc+0x97/0x150
[ 3668.129358][   T10]      ip6_dst_alloc+0x23/0x90
[ 3668.129358][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3668.129358][   T10]      ip6_pol_route+0x56f/0x840
[ 3668.129358][   T10]      fib6_rule_lookup+0x456/0x630
[ 3668.129358][   T10]      ip6_route_input+0x59c/0xa50
[ 3668.129358][   T10]      ipv6_rcv+0x397/0x810
[ 3668.129358][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3668.129358][   T10]      process_backlog+0x101/0x620
[ 3668.129358][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3668.129358][   T10]      net_rx_action+0x495/0xbe0
[ 3668.129358][   T10]      __do_softirq+0x1b5/0x7f6
[ 3668.129358][   T10] 
[ 3668.131011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.131011][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3668.131011][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3668.131011][   T10]      fib6_nh_init+0xa22/0x1580
[ 3668.131011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.131011][   T10]      ip6_route_add+0x1c/0x140
[ 3668.131011][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3668.131011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.131011][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.131011][   T10]      netlink_unicast+0x449/0x710
[ 3668.131011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.131011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.131011][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.131011][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.131011][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.131011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.131011][   T10] 
[ 3668.132920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.132920][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.132920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.132920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.132920][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3668.132920][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3668.132920][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3668.132920][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3668.132920][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3668.132920][   T10]      addrconf_dad_begin+0x310/0x670
[ 3668.132920][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3668.132920][   T10]      process_one_work+0x84d/0x18a0
[ 3668.132920][   T10]      worker_thread+0x587/0xd30
[ 3668.132920][   T10]      kthread+0x28a/0x350
[ 3668.132920][   T10]      ret_from_fork+0x31/0x70
[ 3668.132920][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3668.132920][   T10] 
[ 3668.134857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.134857][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.134857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.134857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.134857][   T10]      ip6_route_add+0x1c/0x140
[ 3668.134857][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3668.134857][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3668.134857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.134857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.134857][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.134857][   T10]      netlink_unicast+0x449/0x710
[ 3668.134857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.134857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.134857][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.134857][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.134857][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.134857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.134857][   T10] 
[ 3668.136873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.136873][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.136873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.136873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.136873][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3668.136873][   T10]      ipv6_add_addr+0x411/0x2000
[ 3668.136873][   T10]      inet6_addr_add+0x30e/0xa40
[ 3668.136873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.136873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.136873][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.136873][   T10]      netlink_unicast+0x449/0x710
[ 3668.136873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.136873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.136873][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.136873][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.136873][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.136873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.136873][   T10] 
[ 3668.138902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.138902][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.138902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.138902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.138902][   T10]      ip6_route_add+0x1c/0x140
[ 3668.138902][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3668.138902][   T10]      addrconf_add_dev+0xe2/0x170
[ 3668.138902][   T10]      inet6_addr_add+0x12f/0xa40
[ 3668.138902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.138902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.138902][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.138902][   T10]      netlink_unicast+0x449/0x710
[ 3668.138902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.138902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.138902][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.138902][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.138902][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.138902][   T10] 
[ 3668.140909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.140909][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3668.140909][   T10]      ipv6_find_idev+0x102/0x170
[ 3668.140909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.140909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.140909][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.140909][   T10]      netlink_unicast+0x449/0x710
[ 3668.140909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.140909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.140909][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.140909][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.140909][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.140909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.140909][   T10] 
[ 3668.142825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3668.142825][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3668.142825][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3668.142825][   T10]      ipv6_find_idev+0x102/0x170
[ 3668.142825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.142825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.142825][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.142825][   T10]      netlink_unicast+0x449/0x710
[ 3668.142825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.142825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.142825][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.142825][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.142825][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.142825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.142825][   T10] 
[ 3668.144548][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3668.144818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.144818][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3668.144818][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3668.144818][   T10]      fib6_nh_init+0xa22/0x1580
[ 3668.144818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.144818][   T10]      ip6_route_add+0x1c/0x140
[ 3668.144818][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3668.144818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.144818][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.144818][   T10]      netlink_unicast+0x449/0x710
[ 3668.144818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.144818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.144818][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.144818][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.144818][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.144818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.144818][   T10] 
[ 3668.147048][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.147048][   T10]      dst_init+0x84/0x4a0
[ 3668.147048][   T10]      dst_alloc+0x97/0x150
[ 3668.147048][   T10]      ip6_dst_alloc+0x23/0x90
[ 3668.147048][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3668.147048][   T10]      ip6_pol_route+0x56f/0x840
[ 3668.147048][   T10]      fib6_rule_lookup+0x456/0x630
[ 3668.147048][   T10]      ip6_route_input+0x59c/0xa50
[ 3668.147048][   T10]      ipv6_rcv+0x397/0x810
[ 3668.147048][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3668.147048][   T10]      process_backlog+0x101/0x620
[ 3668.147048][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3668.147048][   T10]      net_rx_action+0x495/0xbe0
[ 3668.147048][   T10]      __do_softirq+0x1b5/0x7f6
[ 3668.147048][   T10] 
[ 3668.148705][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.148705][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.148705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.148705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.148705][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3668.148705][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3668.148705][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3668.148705][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3668.148705][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3668.148705][   T10]      addrconf_dad_begin+0x310/0x670
[ 3668.148705][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3668.148705][   T10]      process_one_work+0x84d/0x18a0
[ 3668.148705][   T10]      worker_thread+0x587/0xd30
[ 3668.148705][   T10]      kthread+0x28a/0x350
[ 3668.148705][   T10]      ret_from_fork+0x31/0x70
[ 3668.148705][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3668.148705][   T10] 
[ 3668.150616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.150616][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.150616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.150616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.150616][   T10]      ip6_route_add+0x1c/0x140
[ 3668.150616][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3668.150616][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3668.150616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.150616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.150616][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.150616][   T10]      netlink_unicast+0x449/0x710
[ 3668.150616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.150616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.150616][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.150616][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.150616][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.150616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.150616][   T10] 
[ 3668.152636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.152636][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.152636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.152636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.152636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3668.152636][   T10]      ipv6_add_addr+0x411/0x2000
[ 3668.152636][   T10]      inet6_addr_add+0x30e/0xa40
[ 3668.152636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.152636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.152636][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.152636][   T10]      netlink_unicast+0x449/0x710
[ 3668.152636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.152636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.152636][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.152636][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.152636][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.152636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.152636][   T10] 
[ 3668.154649][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.154649][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.154649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.154649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.154649][   T10]      ip6_route_add+0x1c/0x140
[ 3668.154649][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3668.154649][   T10]      addrconf_add_dev+0xe2/0x170
[ 3668.154649][   T10]      inet6_addr_add+0x12f/0xa40
[ 3668.154649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.154649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.154649][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.154649][   T10]      netlink_unicast+0x449/0x710
[ 3668.154649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.154649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.154649][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.154649][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.154649][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.154649][   T10] 
[ 3668.156816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.156816][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3668.156816][   T10]      ipv6_find_idev+0x102/0x170
[ 3668.156816][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.156816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.156816][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.156816][   T10]      netlink_unicast+0x449/0x710
[ 3668.156816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.156816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.156816][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.156816][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.156816][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.156816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.156816][   T10] 
[ 3668.158609][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3668.158609][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3668.158609][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3668.158609][   T10]      ipv6_find_idev+0x102/0x170
[ 3668.158609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.158609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.158609][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.158609][   T10]      netlink_unicast+0x449/0x710
[ 3668.158609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.158609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.158609][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.158609][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.158609][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.158609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.158609][   T10] 
[ 3668.160475][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3668.161216][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3668.161216][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.161216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.161216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.161216][   T10]      ip6_route_add+0x1c/0x140
[ 3668.161216][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3668.161216][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3668.161216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.161216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.161216][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.161216][   T10]      netlink_unicast+0x449/0x710
[ 3668.161216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.161216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.161216][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.161216][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.161216][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.161216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.161216][   T10] 
[ 3668.163207][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3668.163207][   T10]      netdev_get_by_index+0x5e/0x80
[ 3668.163207][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3668.163207][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3668.163207][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3668.163207][   T10]      ipv6_add_addr+0x411/0x2000
[ 3668.163207][   T10]      inet6_addr_add+0x30e/0xa40
[ 3668.163207][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3668.163207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.163207][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.163207][   T10]      netlink_unicast+0x449/0x710
[ 3668.163207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.163207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.163207][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.163207][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.163207][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.163207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.163207][   T10] 
[ 3668.165289][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3668.165289][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3668.165289][   T10]      ipv6_find_idev+0x102/0x170
[ 3668.165289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.165289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.165289][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.165289][   T10]      netlink_unicast+0x449/0x710
[ 3668.165289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.165289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.165289][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.165289][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.165289][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.165289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.165289][   T10] 
[ 3668.167023][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3668.167023][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3668.167023][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3668.167023][   T10]      ipv6_find_idev+0x102/0x170
[ 3668.167023][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3668.167023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3668.167023][   T10]      netlink_rcv_skb+0x130/0x360
[ 3668.167023][   T10]      netlink_unicast+0x449/0x710
[ 3668.167023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3668.167023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3668.167023][   T10]      ___sys_sendmsg+0xee/0x170
[ 3668.167023][   T10]      __sys_sendmsg+0xcd/0x170
[ 3668.167023][   T10]      do_syscall_64+0xc6/0x1e0
[ 3668.167023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3668.167023][   T10] 
[ 3678.408801][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3678.409337][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.409337][   T10]      dst_init+0x84/0x4a0
[ 3678.409337][   T10]      dst_alloc+0x97/0x150
[ 3678.409337][   T10]      ip6_dst_alloc+0x23/0x90
[ 3678.409337][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3678.409337][   T10]      ip6_pol_route+0x56f/0x840
[ 3678.409337][   T10]      fib6_rule_lookup+0x456/0x630
[ 3678.409337][   T10]      ip6_route_input+0x59c/0xa50
[ 3678.409337][   T10]      ipv6_rcv+0x397/0x810
[ 3678.409337][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3678.409337][   T10]      process_backlog+0x101/0x620
[ 3678.409337][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3678.409337][   T10]      net_rx_action+0x495/0xbe0
[ 3678.409337][   T10]      __do_softirq+0x1b5/0x7f6
[ 3678.409337][   T10] 
[ 3678.410972][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.410972][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3678.410972][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3678.410972][   T10]      fib6_nh_init+0xa22/0x1580
[ 3678.410972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.410972][   T10]      ip6_route_add+0x1c/0x140
[ 3678.410972][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3678.410972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.410972][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.410972][   T10]      netlink_unicast+0x449/0x710
[ 3678.410972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.410972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.410972][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.410972][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.410972][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.410972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.410972][   T10] 
[ 3678.412849][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.412849][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.412849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.412849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.412849][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3678.412849][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3678.412849][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3678.412849][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3678.412849][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3678.412849][   T10]      addrconf_dad_begin+0x310/0x670
[ 3678.412849][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3678.412849][   T10]      process_one_work+0x84d/0x18a0
[ 3678.412849][   T10]      worker_thread+0x587/0xd30
[ 3678.412849][   T10]      kthread+0x28a/0x350
[ 3678.412849][   T10]      ret_from_fork+0x31/0x70
[ 3678.412849][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3678.412849][   T10] 
[ 3678.414773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.414773][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.414773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.414773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.414773][   T10]      ip6_route_add+0x1c/0x140
[ 3678.414773][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3678.414773][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3678.414773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.414773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.414773][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.414773][   T10]      netlink_unicast+0x449/0x710
[ 3678.414773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.414773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.414773][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.414773][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.414773][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.414773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.414773][   T10] 
[ 3678.416787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.416787][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.416787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.416787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.416787][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3678.416787][   T10]      ipv6_add_addr+0x411/0x2000
[ 3678.416787][   T10]      inet6_addr_add+0x30e/0xa40
[ 3678.416787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.416787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.416787][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.416787][   T10]      netlink_unicast+0x449/0x710
[ 3678.416787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.416787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.416787][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.416787][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.416787][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.416787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.416787][   T10] 
[ 3678.418842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.418842][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.418842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.418842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.418842][   T10]      ip6_route_add+0x1c/0x140
[ 3678.418842][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3678.418842][   T10]      addrconf_add_dev+0xe2/0x170
[ 3678.418842][   T10]      inet6_addr_add+0x12f/0xa40
[ 3678.418842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.418842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.418842][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.418842][   T10]      netlink_unicast+0x449/0x710
[ 3678.418842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.418842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.418842][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.418842][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.418842][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.418842][   T10] 
[ 3678.420870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.420870][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3678.420870][   T10]      ipv6_find_idev+0x102/0x170
[ 3678.420870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.420870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.420870][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.420870][   T10]      netlink_unicast+0x449/0x710
[ 3678.420870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.420870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.420870][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.420870][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.420870][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.420870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.420870][   T10] 
[ 3678.422421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3678.422421][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3678.422421][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3678.422421][   T10]      ipv6_find_idev+0x102/0x170
[ 3678.422421][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.422421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.422421][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.422421][   T10]      netlink_unicast+0x449/0x710
[ 3678.422421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.422421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.422421][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.422421][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.422421][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.422421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.422421][   T10] 
[ 3678.424141][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3678.424399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.424399][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3678.424399][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3678.424399][   T10]      fib6_nh_init+0xa22/0x1580
[ 3678.424399][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.424399][   T10]      ip6_route_add+0x1c/0x140
[ 3678.424399][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3678.424399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.424399][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.424399][   T10]      netlink_unicast+0x449/0x710
[ 3678.424399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.424399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.424399][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.424399][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.424399][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.424399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.424399][   T10] 
[ 3678.426292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.426292][   T10]      dst_init+0x84/0x4a0
[ 3678.426292][   T10]      dst_alloc+0x97/0x150
[ 3678.426292][   T10]      ip6_dst_alloc+0x23/0x90
[ 3678.426292][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3678.426292][   T10]      ip6_pol_route+0x56f/0x840
[ 3678.426292][   T10]      fib6_rule_lookup+0x456/0x630
[ 3678.426292][   T10]      ip6_route_input+0x59c/0xa50
[ 3678.426292][   T10]      ipv6_rcv+0x397/0x810
[ 3678.426292][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3678.426292][   T10]      process_backlog+0x101/0x620
[ 3678.426292][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3678.426292][   T10]      net_rx_action+0x495/0xbe0
[ 3678.426292][   T10]      __do_softirq+0x1b5/0x7f6
[ 3678.426292][   T10] 
[ 3678.427899][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.427899][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.427899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.427899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.427899][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3678.427899][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3678.427899][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3678.427899][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3678.427899][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3678.427899][   T10]      addrconf_dad_begin+0x310/0x670
[ 3678.427899][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3678.427899][   T10]      process_one_work+0x84d/0x18a0
[ 3678.427899][   T10]      worker_thread+0x587/0xd30
[ 3678.427899][   T10]      kthread+0x28a/0x350
[ 3678.427899][   T10]      ret_from_fork+0x31/0x70
[ 3678.427899][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3678.427899][   T10] 
[ 3678.429820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.429820][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.429820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.429820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.429820][   T10]      ip6_route_add+0x1c/0x140
[ 3678.429820][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3678.429820][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3678.429820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.429820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.429820][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.429820][   T10]      netlink_unicast+0x449/0x710
[ 3678.429820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.429820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.429820][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.429820][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.429820][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.429820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.429820][   T10] 
[ 3678.431792][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.431792][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.431792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.431792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.431792][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3678.431792][   T10]      ipv6_add_addr+0x411/0x2000
[ 3678.431792][   T10]      inet6_addr_add+0x30e/0xa40
[ 3678.431792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.431792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.431792][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.431792][   T10]      netlink_unicast+0x449/0x710
[ 3678.431792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.431792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.431792][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.431792][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.431792][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.431792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.431792][   T10] 
[ 3678.433809][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.433809][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.433809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.433809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.433809][   T10]      ip6_route_add+0x1c/0x140
[ 3678.433809][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3678.433809][   T10]      addrconf_add_dev+0xe2/0x170
[ 3678.433809][   T10]      inet6_addr_add+0x12f/0xa40
[ 3678.433809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.433809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.433809][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.433809][   T10]      netlink_unicast+0x449/0x710
[ 3678.433809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.433809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.433809][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.433809][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.433809][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.433809][   T10] 
[ 3678.435881][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.435881][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3678.435881][   T10]      ipv6_find_idev+0x102/0x170
[ 3678.435881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.435881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.435881][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.435881][   T10]      netlink_unicast+0x449/0x710
[ 3678.435881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.435881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.435881][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.435881][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.435881][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.435881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.435881][   T10] 
[ 3678.437611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3678.437611][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3678.437611][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3678.437611][   T10]      ipv6_find_idev+0x102/0x170
[ 3678.437611][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.437611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.437611][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.437611][   T10]      netlink_unicast+0x449/0x710
[ 3678.437611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.437611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.437611][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.437611][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.437611][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.437611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.437611][   T10] 
[ 3678.439475][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3678.439807][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3678.439807][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.439807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.439807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.439807][   T10]      ip6_route_add+0x1c/0x140
[ 3678.439807][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3678.439807][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3678.439807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.439807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.439807][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.439807][   T10]      netlink_unicast+0x449/0x710
[ 3678.439807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.439807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.439807][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.439807][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.439807][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.439807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.439807][   T10] 
[ 3678.442072][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3678.442072][   T10]      netdev_get_by_index+0x5e/0x80
[ 3678.442072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3678.442072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3678.442072][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3678.442072][   T10]      ipv6_add_addr+0x411/0x2000
[ 3678.442072][   T10]      inet6_addr_add+0x30e/0xa40
[ 3678.442072][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3678.442072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.442072][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.442072][   T10]      netlink_unicast+0x449/0x710
[ 3678.442072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.442072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.442072][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.442072][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.442072][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.442072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.442072][   T10] 
[ 3678.444192][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3678.444192][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3678.444192][   T10]      ipv6_find_idev+0x102/0x170
[ 3678.444192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.444192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.444192][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.444192][   T10]      netlink_unicast+0x449/0x710
[ 3678.444192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.444192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.444192][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.444192][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.444192][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.444192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.444192][   T10] 
[ 3678.445909][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3678.445909][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3678.445909][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3678.445909][   T10]      ipv6_find_idev+0x102/0x170
[ 3678.445909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3678.445909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3678.445909][   T10]      netlink_rcv_skb+0x130/0x360
[ 3678.445909][   T10]      netlink_unicast+0x449/0x710
[ 3678.445909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3678.445909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3678.445909][   T10]      ___sys_sendmsg+0xee/0x170
[ 3678.445909][   T10]      __sys_sendmsg+0xcd/0x170
[ 3678.445909][   T10]      do_syscall_64+0xc6/0x1e0
[ 3678.445909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3678.445909][   T10] 
[ 3688.520767][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3688.521607][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.521607][   T10]      dst_init+0x84/0x4a0
[ 3688.521607][   T10]      dst_alloc+0x97/0x150
[ 3688.521607][   T10]      ip6_dst_alloc+0x23/0x90
[ 3688.521607][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3688.521607][   T10]      ip6_pol_route+0x56f/0x840
[ 3688.521607][   T10]      fib6_rule_lookup+0x456/0x630
[ 3688.521607][   T10]      ip6_route_input+0x59c/0xa50
[ 3688.521607][   T10]      ipv6_rcv+0x397/0x810
[ 3688.521607][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3688.521607][   T10]      process_backlog+0x101/0x620
[ 3688.521607][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3688.521607][   T10]      net_rx_action+0x495/0xbe0
[ 3688.521607][   T10]      __do_softirq+0x1b5/0x7f6
[ 3688.521607][   T10] 
[ 3688.523238][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.523238][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3688.523238][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3688.523238][   T10]      fib6_nh_init+0xa22/0x1580
[ 3688.523238][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.523238][   T10]      ip6_route_add+0x1c/0x140
[ 3688.523238][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3688.523238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.523238][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.523238][   T10]      netlink_unicast+0x449/0x710
[ 3688.523238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.523238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.523238][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.523238][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.523238][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.523238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.523238][   T10] 
[ 3688.525086][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.525086][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.525086][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.525086][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.525086][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3688.525086][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3688.525086][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3688.525086][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3688.525086][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3688.525086][   T10]      addrconf_dad_begin+0x310/0x670
[ 3688.525086][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3688.525086][   T10]      process_one_work+0x84d/0x18a0
[ 3688.525086][   T10]      worker_thread+0x587/0xd30
[ 3688.525086][   T10]      kthread+0x28a/0x350
[ 3688.525086][   T10]      ret_from_fork+0x31/0x70
[ 3688.525086][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3688.525086][   T10] 
[ 3688.526977][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.526977][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.526977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.526977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.526977][   T10]      ip6_route_add+0x1c/0x140
[ 3688.526977][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3688.526977][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3688.526977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.526977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.526977][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.526977][   T10]      netlink_unicast+0x449/0x710
[ 3688.526977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.526977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.526977][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.526977][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.526977][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.526977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.526977][   T10] 
[ 3688.528967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.528967][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.528967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.528967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.528967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3688.528967][   T10]      ipv6_add_addr+0x411/0x2000
[ 3688.528967][   T10]      inet6_addr_add+0x30e/0xa40
[ 3688.528967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.528967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.528967][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.528967][   T10]      netlink_unicast+0x449/0x710
[ 3688.528967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.528967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.528967][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.528967][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.528967][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.528967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.528967][   T10] 
[ 3688.530928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.530928][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.530928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.530928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.530928][   T10]      ip6_route_add+0x1c/0x140
[ 3688.530928][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3688.530928][   T10]      addrconf_add_dev+0xe2/0x170
[ 3688.530928][   T10]      inet6_addr_add+0x12f/0xa40
[ 3688.530928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.530928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.530928][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.530928][   T10]      netlink_unicast+0x449/0x710
[ 3688.530928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.530928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.530928][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.530928][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.530928][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.530928][   T10] 
[ 3688.532889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.532889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3688.532889][   T10]      ipv6_find_idev+0x102/0x170
[ 3688.532889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.532889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.532889][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.532889][   T10]      netlink_unicast+0x449/0x710
[ 3688.532889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.532889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.532889][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.532889][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.532889][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.532889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.532889][   T10] 
[ 3688.534391][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3688.534391][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3688.534391][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3688.534391][   T10]      ipv6_find_idev+0x102/0x170
[ 3688.534391][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.534391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.534391][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.534391][   T10]      netlink_unicast+0x449/0x710
[ 3688.534391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.534391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.534391][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.534391][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.534391][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.534391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.534391][   T10] 
[ 3688.536104][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3688.536340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.536340][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3688.536340][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3688.536340][   T10]      fib6_nh_init+0xa22/0x1580
[ 3688.536340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.536340][   T10]      ip6_route_add+0x1c/0x140
[ 3688.536340][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3688.536340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.536340][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.536340][   T10]      netlink_unicast+0x449/0x710
[ 3688.536340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.536340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.536340][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.536340][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.536340][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.536340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.536340][   T10] 
[ 3688.538193][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.538193][   T10]      dst_init+0x84/0x4a0
[ 3688.538193][   T10]      dst_alloc+0x97/0x150
[ 3688.538193][   T10]      ip6_dst_alloc+0x23/0x90
[ 3688.538193][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3688.538193][   T10]      ip6_pol_route+0x56f/0x840
[ 3688.538193][   T10]      fib6_rule_lookup+0x456/0x630
[ 3688.538193][   T10]      ip6_route_input+0x59c/0xa50
[ 3688.538193][   T10]      ipv6_rcv+0x397/0x810
[ 3688.538193][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3688.538193][   T10]      process_backlog+0x101/0x620
[ 3688.538193][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3688.538193][   T10]      net_rx_action+0x495/0xbe0
[ 3688.538193][   T10]      __do_softirq+0x1b5/0x7f6
[ 3688.538193][   T10] 
[ 3688.539782][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.539782][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.539782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.539782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.539782][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3688.539782][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3688.539782][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3688.539782][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3688.539782][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3688.539782][   T10]      addrconf_dad_begin+0x310/0x670
[ 3688.539782][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3688.539782][   T10]      process_one_work+0x84d/0x18a0
[ 3688.539782][   T10]      worker_thread+0x587/0xd30
[ 3688.539782][   T10]      kthread+0x28a/0x350
[ 3688.539782][   T10]      ret_from_fork+0x31/0x70
[ 3688.539782][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3688.539782][   T10] 
[ 3688.541688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.541688][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.541688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.541688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.541688][   T10]      ip6_route_add+0x1c/0x140
[ 3688.541688][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3688.541688][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3688.541688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.541688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.541688][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.541688][   T10]      netlink_unicast+0x449/0x710
[ 3688.541688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.541688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.541688][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.541688][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.541688][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.541688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.541688][   T10] 
[ 3688.543684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.543684][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.543684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.543684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.543684][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3688.543684][   T10]      ipv6_add_addr+0x411/0x2000
[ 3688.543684][   T10]      inet6_addr_add+0x30e/0xa40
[ 3688.543684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.543684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.543684][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.543684][   T10]      netlink_unicast+0x449/0x710
[ 3688.543684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.543684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.543684][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.543684][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.543684][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.543684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.543684][   T10] 
[ 3688.545626][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.545626][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.545626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.545626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.545626][   T10]      ip6_route_add+0x1c/0x140
[ 3688.545626][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3688.545626][   T10]      addrconf_add_dev+0xe2/0x170
[ 3688.545626][   T10]      inet6_addr_add+0x12f/0xa40
[ 3688.545626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.545626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.545626][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.545626][   T10]      netlink_unicast+0x449/0x710
[ 3688.545626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.545626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.545626][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.545626][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.545626][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.545626][   T10] 
[ 3688.547764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.547764][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3688.547764][   T10]      ipv6_find_idev+0x102/0x170
[ 3688.547764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.547764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.547764][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.547764][   T10]      netlink_unicast+0x449/0x710
[ 3688.547764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.547764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.547764][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.547764][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.547764][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.547764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.547764][   T10] 
[ 3688.549562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3688.549562][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3688.549562][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3688.549562][   T10]      ipv6_find_idev+0x102/0x170
[ 3688.549562][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.549562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.549562][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.549562][   T10]      netlink_unicast+0x449/0x710
[ 3688.549562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.549562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.549562][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.549562][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.549562][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.549562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.549562][   T10] 
[ 3688.551432][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3688.551738][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3688.551738][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.551738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.551738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.551738][   T10]      ip6_route_add+0x1c/0x140
[ 3688.551738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3688.551738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3688.551738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.551738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.551738][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.551738][   T10]      netlink_unicast+0x449/0x710
[ 3688.551738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.551738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.551738][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.551738][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.551738][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.551738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.551738][   T10] 
[ 3688.553930][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3688.553930][   T10]      netdev_get_by_index+0x5e/0x80
[ 3688.553930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3688.553930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3688.553930][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3688.553930][   T10]      ipv6_add_addr+0x411/0x2000
[ 3688.553930][   T10]      inet6_addr_add+0x30e/0xa40
[ 3688.553930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3688.553930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.553930][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.553930][   T10]      netlink_unicast+0x449/0x710
[ 3688.553930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.553930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.553930][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.553930][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.553930][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.553930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.553930][   T10] 
[ 3688.556095][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3688.556095][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3688.556095][   T10]      ipv6_find_idev+0x102/0x170
[ 3688.556095][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.556095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.556095][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.556095][   T10]      netlink_unicast+0x449/0x710
[ 3688.556095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.556095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.556095][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.556095][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.556095][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.556095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.556095][   T10] 
[ 3688.557888][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3688.557888][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3688.557888][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3688.557888][   T10]      ipv6_find_idev+0x102/0x170
[ 3688.557888][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3688.557888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3688.557888][   T10]      netlink_rcv_skb+0x130/0x360
[ 3688.557888][   T10]      netlink_unicast+0x449/0x710
[ 3688.557888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3688.557888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3688.557888][   T10]      ___sys_sendmsg+0xee/0x170
[ 3688.557888][   T10]      __sys_sendmsg+0xcd/0x170
[ 3688.557888][   T10]      do_syscall_64+0xc6/0x1e0
[ 3688.557888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3688.557888][   T10] 
[ 3698.800773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3698.801601][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.801601][   T10]      dst_init+0x84/0x4a0
[ 3698.801601][   T10]      dst_alloc+0x97/0x150
[ 3698.801601][   T10]      ip6_dst_alloc+0x23/0x90
[ 3698.801601][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3698.801601][   T10]      ip6_pol_route+0x56f/0x840
[ 3698.801601][   T10]      fib6_rule_lookup+0x456/0x630
[ 3698.801601][   T10]      ip6_route_input+0x59c/0xa50
[ 3698.801601][   T10]      ipv6_rcv+0x397/0x810
[ 3698.801601][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3698.801601][   T10]      process_backlog+0x101/0x620
[ 3698.801601][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3698.801601][   T10]      net_rx_action+0x495/0xbe0
[ 3698.801601][   T10]      __do_softirq+0x1b5/0x7f6
[ 3698.801601][   T10] 
[ 3698.803236][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.803236][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3698.803236][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3698.803236][   T10]      fib6_nh_init+0xa22/0x1580
[ 3698.803236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.803236][   T10]      ip6_route_add+0x1c/0x140
[ 3698.803236][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3698.803236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.803236][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.803236][   T10]      netlink_unicast+0x449/0x710
[ 3698.803236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.803236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.803236][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.803236][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.803236][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.803236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.803236][   T10] 
[ 3698.805082][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.805082][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.805082][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.805082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.805082][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3698.805082][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3698.805082][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3698.805082][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3698.805082][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3698.805082][   T10]      addrconf_dad_begin+0x310/0x670
[ 3698.805082][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3698.805082][   T10]      process_one_work+0x84d/0x18a0
[ 3698.805082][   T10]      worker_thread+0x587/0xd30
[ 3698.805082][   T10]      kthread+0x28a/0x350
[ 3698.805082][   T10]      ret_from_fork+0x31/0x70
[ 3698.805082][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3698.805082][   T10] 
[ 3698.806946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.806946][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.806946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.806946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.806946][   T10]      ip6_route_add+0x1c/0x140
[ 3698.806946][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3698.806946][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3698.806946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.806946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.806946][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.806946][   T10]      netlink_unicast+0x449/0x710
[ 3698.806946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.806946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.806946][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.806946][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.806946][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.806946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.806946][   T10] 
[ 3698.808922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.808922][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.808922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.808922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.808922][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3698.808922][   T10]      ipv6_add_addr+0x411/0x2000
[ 3698.808922][   T10]      inet6_addr_add+0x30e/0xa40
[ 3698.808922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.808922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.808922][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.808922][   T10]      netlink_unicast+0x449/0x710
[ 3698.808922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.808922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.808922][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.808922][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.808922][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.808922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.808922][   T10] 
[ 3698.810917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.810917][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.810917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.810917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.810917][   T10]      ip6_route_add+0x1c/0x140
[ 3698.810917][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3698.810917][   T10]      addrconf_add_dev+0xe2/0x170
[ 3698.810917][   T10]      inet6_addr_add+0x12f/0xa40
[ 3698.810917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.810917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.810917][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.810917][   T10]      netlink_unicast+0x449/0x710
[ 3698.810917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.810917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.810917][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.810917][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.810917][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.810917][   T10] 
[ 3698.812863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.812863][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3698.812863][   T10]      ipv6_find_idev+0x102/0x170
[ 3698.812863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.812863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.812863][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.812863][   T10]      netlink_unicast+0x449/0x710
[ 3698.812863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.812863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.812863][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.812863][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.812863][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.812863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.812863][   T10] 
[ 3698.814388][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3698.814388][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3698.814388][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3698.814388][   T10]      ipv6_find_idev+0x102/0x170
[ 3698.814388][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.814388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.814388][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.814388][   T10]      netlink_unicast+0x449/0x710
[ 3698.814388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.814388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.814388][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.814388][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.814388][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.814388][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.814388][   T10] 
[ 3698.816057][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3698.816297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.816297][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3698.816297][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3698.816297][   T10]      fib6_nh_init+0xa22/0x1580
[ 3698.816297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.816297][   T10]      ip6_route_add+0x1c/0x140
[ 3698.816297][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3698.816297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.816297][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.816297][   T10]      netlink_unicast+0x449/0x710
[ 3698.816297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.816297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.816297][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.816297][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.816297][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.816297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.816297][   T10] 
[ 3698.818213][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.818213][   T10]      dst_init+0x84/0x4a0
[ 3698.818213][   T10]      dst_alloc+0x97/0x150
[ 3698.818213][   T10]      ip6_dst_alloc+0x23/0x90
[ 3698.818213][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3698.818213][   T10]      ip6_pol_route+0x56f/0x840
[ 3698.818213][   T10]      fib6_rule_lookup+0x456/0x630
[ 3698.818213][   T10]      ip6_route_input+0x59c/0xa50
[ 3698.818213][   T10]      ipv6_rcv+0x397/0x810
[ 3698.818213][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3698.818213][   T10]      process_backlog+0x101/0x620
[ 3698.818213][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3698.818213][   T10]      net_rx_action+0x495/0xbe0
[ 3698.818213][   T10]      __do_softirq+0x1b5/0x7f6
[ 3698.818213][   T10] 
[ 3698.819876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.819876][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.819876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.819876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.819876][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3698.819876][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3698.819876][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3698.819876][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3698.819876][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3698.819876][   T10]      addrconf_dad_begin+0x310/0x670
[ 3698.819876][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3698.819876][   T10]      process_one_work+0x84d/0x18a0
[ 3698.819876][   T10]      worker_thread+0x587/0xd30
[ 3698.819876][   T10]      kthread+0x28a/0x350
[ 3698.819876][   T10]      ret_from_fork+0x31/0x70
[ 3698.819876][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3698.819876][   T10] 
[ 3698.821811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.821811][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.821811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.821811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.821811][   T10]      ip6_route_add+0x1c/0x140
[ 3698.821811][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3698.821811][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3698.821811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.821811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.821811][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.821811][   T10]      netlink_unicast+0x449/0x710
[ 3698.821811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.821811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.821811][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.821811][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.821811][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.821811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.821811][   T10] 
[ 3698.823822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.823822][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.823822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.823822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.823822][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3698.823822][   T10]      ipv6_add_addr+0x411/0x2000
[ 3698.823822][   T10]      inet6_addr_add+0x30e/0xa40
[ 3698.823822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.823822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.823822][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.823822][   T10]      netlink_unicast+0x449/0x710
[ 3698.823822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.823822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.823822][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.823822][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.823822][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.823822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.823822][   T10] 
[ 3698.825836][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.825836][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.825836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.825836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.825836][   T10]      ip6_route_add+0x1c/0x140
[ 3698.825836][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3698.825836][   T10]      addrconf_add_dev+0xe2/0x170
[ 3698.825836][   T10]      inet6_addr_add+0x12f/0xa40
[ 3698.825836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.825836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.825836][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.825836][   T10]      netlink_unicast+0x449/0x710
[ 3698.825836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.825836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.825836][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.825836][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.825836][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.825836][   T10] 
[ 3698.827928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.827928][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3698.827928][   T10]      ipv6_find_idev+0x102/0x170
[ 3698.827928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.827928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.827928][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.827928][   T10]      netlink_unicast+0x449/0x710
[ 3698.827928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.827928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.827928][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.827928][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.827928][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.827928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.827928][   T10] 
[ 3698.830218][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3698.830218][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3698.830218][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3698.830218][   T10]      ipv6_find_idev+0x102/0x170
[ 3698.830218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.830218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.830218][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.830218][   T10]      netlink_unicast+0x449/0x710
[ 3698.830218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.830218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.830218][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.830218][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.830218][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.830218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.830218][   T10] 
[ 3698.832168][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3698.832489][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3698.832489][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.832489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.832489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.832489][   T10]      ip6_route_add+0x1c/0x140
[ 3698.832489][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3698.832489][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3698.832489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.832489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.832489][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.832489][   T10]      netlink_unicast+0x449/0x710
[ 3698.832489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.832489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.832489][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.832489][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.832489][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.832489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.832489][   T10] 
[ 3698.834660][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3698.834660][   T10]      netdev_get_by_index+0x5e/0x80
[ 3698.834660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3698.834660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3698.834660][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3698.834660][   T10]      ipv6_add_addr+0x411/0x2000
[ 3698.834660][   T10]      inet6_addr_add+0x30e/0xa40
[ 3698.834660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3698.834660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.834660][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.834660][   T10]      netlink_unicast+0x449/0x710
[ 3698.834660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.834660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.834660][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.834660][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.834660][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.834660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.834660][   T10] 
[ 3698.836811][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3698.836811][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3698.836811][   T10]      ipv6_find_idev+0x102/0x170
[ 3698.836811][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.836811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.836811][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.836811][   T10]      netlink_unicast+0x449/0x710
[ 3698.836811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.836811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.836811][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.836811][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.836811][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.836811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.836811][   T10] 
[ 3698.838538][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3698.838538][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3698.838538][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3698.838538][   T10]      ipv6_find_idev+0x102/0x170
[ 3698.838538][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3698.838538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3698.838538][   T10]      netlink_rcv_skb+0x130/0x360
[ 3698.838538][   T10]      netlink_unicast+0x449/0x710
[ 3698.838538][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3698.838538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3698.838538][   T10]      ___sys_sendmsg+0xee/0x170
[ 3698.838538][   T10]      __sys_sendmsg+0xcd/0x170
[ 3698.838538][   T10]      do_syscall_64+0xc6/0x1e0
[ 3698.838538][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3698.838538][   T10] 
[ 3709.080763][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3709.081557][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.081557][   T10]      dst_init+0x84/0x4a0
[ 3709.081557][   T10]      dst_alloc+0x97/0x150
[ 3709.081557][   T10]      ip6_dst_alloc+0x23/0x90
[ 3709.081557][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3709.081557][   T10]      ip6_pol_route+0x56f/0x840
[ 3709.081557][   T10]      fib6_rule_lookup+0x456/0x630
[ 3709.081557][   T10]      ip6_route_input+0x59c/0xa50
[ 3709.081557][   T10]      ipv6_rcv+0x397/0x810
[ 3709.081557][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3709.081557][   T10]      process_backlog+0x101/0x620
[ 3709.081557][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3709.081557][   T10]      net_rx_action+0x495/0xbe0
[ 3709.081557][   T10]      __do_softirq+0x1b5/0x7f6
[ 3709.081557][   T10] 
[ 3709.083296][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.083296][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3709.083296][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3709.083296][   T10]      fib6_nh_init+0xa22/0x1580
[ 3709.083296][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.083296][   T10]      ip6_route_add+0x1c/0x140
[ 3709.083296][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3709.083296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.083296][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.083296][   T10]      netlink_unicast+0x449/0x710
[ 3709.083296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.083296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.083296][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.083296][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.083296][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.083296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.083296][   T10] 
[ 3709.085195][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.085195][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.085195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.085195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.085195][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3709.085195][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3709.085195][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3709.085195][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3709.085195][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3709.085195][   T10]      addrconf_dad_begin+0x310/0x670
[ 3709.085195][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3709.085195][   T10]      process_one_work+0x84d/0x18a0
[ 3709.085195][   T10]      worker_thread+0x587/0xd30
[ 3709.085195][   T10]      kthread+0x28a/0x350
[ 3709.085195][   T10]      ret_from_fork+0x31/0x70
[ 3709.085195][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3709.085195][   T10] 
[ 3709.087002][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.087002][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.087002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.087002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.087002][   T10]      ip6_route_add+0x1c/0x140
[ 3709.087002][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3709.087002][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3709.087002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.087002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.087002][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.087002][   T10]      netlink_unicast+0x449/0x710
[ 3709.087002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.087002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.087002][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.087002][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.087002][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.087002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.087002][   T10] 
[ 3709.088894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.088894][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.088894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.088894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.088894][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3709.088894][   T10]      ipv6_add_addr+0x411/0x2000
[ 3709.088894][   T10]      inet6_addr_add+0x30e/0xa40
[ 3709.088894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.088894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.088894][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.088894][   T10]      netlink_unicast+0x449/0x710
[ 3709.088894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.088894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.088894][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.088894][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.088894][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.088894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.088894][   T10] 
[ 3709.090777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.090777][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.090777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.090777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.090777][   T10]      ip6_route_add+0x1c/0x140
[ 3709.090777][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3709.090777][   T10]      addrconf_add_dev+0xe2/0x170
[ 3709.090777][   T10]      inet6_addr_add+0x12f/0xa40
[ 3709.090777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.090777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.090777][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.090777][   T10]      netlink_unicast+0x449/0x710
[ 3709.090777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.090777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.090777][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.090777][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.090777][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.090777][   T10] 
[ 3709.092625][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.092625][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3709.092625][   T10]      ipv6_find_idev+0x102/0x170
[ 3709.092625][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3709.092625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.092625][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.092625][   T10]      netlink_unicast+0x449/0x710
[ 3709.092625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.092625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.092625][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.092625][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.092625][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.092625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.092625][   T10] 
[ 3709.094213][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3709.094213][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3709.094213][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3709.094213][   T10]      ipv6_find_idev+0x102/0x170
[ 3709.094213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3709.094213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.094213][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.094213][   T10]      netlink_unicast+0x449/0x710
[ 3709.094213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.094213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.094213][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.094213][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.094213][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.094213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.094213][   T10] 
[ 3709.095932][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3709.096176][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.096176][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3709.096176][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3709.096176][   T10]      fib6_nh_init+0xa22/0x1580
[ 3709.096176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.096176][   T10]      ip6_route_add+0x1c/0x140
[ 3709.096176][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3709.096176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.096176][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.096176][   T10]      netlink_unicast+0x449/0x710
[ 3709.096176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.096176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.096176][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.096176][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.096176][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.096176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.096176][   T10] 
[ 3709.098068][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.098068][   T10]      dst_init+0x84/0x4a0
[ 3709.098068][   T10]      dst_alloc+0x97/0x150
[ 3709.098068][   T10]      ip6_dst_alloc+0x23/0x90
[ 3709.098068][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3709.098068][   T10]      ip6_pol_route+0x56f/0x840
[ 3709.098068][   T10]      fib6_rule_lookup+0x456/0x630
[ 3709.098068][   T10]      ip6_route_input+0x59c/0xa50
[ 3709.098068][   T10]      ipv6_rcv+0x397/0x810
[ 3709.098068][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3709.098068][   T10]      process_backlog+0x101/0x620
[ 3709.098068][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3709.098068][   T10]      net_rx_action+0x495/0xbe0
[ 3709.098068][   T10]      __do_softirq+0x1b5/0x7f6
[ 3709.098068][   T10] 
[ 3709.099744][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.099744][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.099744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.099744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.099744][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3709.099744][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3709.099744][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3709.099744][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3709.099744][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3709.099744][   T10]      addrconf_dad_begin+0x310/0x670
[ 3709.099744][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3709.099744][   T10]      process_one_work+0x84d/0x18a0
[ 3709.099744][   T10]      worker_thread+0x587/0xd30
[ 3709.099744][   T10]      kthread+0x28a/0x350
[ 3709.099744][   T10]      ret_from_fork+0x31/0x70
[ 3709.099744][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3709.099744][   T10] 
[ 3709.101664][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.101664][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.101664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.101664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.101664][   T10]      ip6_route_add+0x1c/0x140
[ 3709.101664][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3709.101664][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3709.101664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.101664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.101664][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.101664][   T10]      netlink_unicast+0x449/0x710
[ 3709.101664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.101664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.101664][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.101664][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.101664][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.101664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.101664][   T10] 
[ 3709.103684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.103684][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.103684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.103684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.103684][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3709.103684][   T10]      ipv6_add_addr+0x411/0x2000
[ 3709.103684][   T10]      inet6_addr_add+0x30e/0xa40
[ 3709.103684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.103684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.103684][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.103684][   T10]      netlink_unicast+0x449/0x710
[ 3709.103684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.103684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.103684][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.103684][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.103684][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.103684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.103684][   T10] 
[ 3709.106053][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.106053][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.106053][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.106053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.106053][   T10]      ip6_route_add+0x1c/0x140
[ 3709.106053][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3709.106053][   T10]      addrconf_add_dev+0xe2/0x170
[ 3709.106053][   T10]      inet6_addr_add+0x12f/0xa40
[ 3709.106053][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.106053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.106053][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.106053][   T10]      netlink_unicast+0x449/0x710
[ 3709.106053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.106053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.106053][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.106053][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.106053][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.106053][   T10] 
[ 3709.108225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.108225][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3709.108225][   T10]      ipv6_find_idev+0x102/0x170
[ 3709.108225][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3709.108225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.108225][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.108225][   T10]      netlink_unicast+0x449/0x710
[ 3709.108225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.108225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.108225][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.108225][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.108225][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.108225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.108225][   T10] 
[ 3709.110039][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3709.110039][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3709.110039][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3709.110039][   T10]      ipv6_find_idev+0x102/0x170
[ 3709.110039][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3709.110039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.110039][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.110039][   T10]      netlink_unicast+0x449/0x710
[ 3709.110039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.110039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.110039][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.110039][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.110039][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.110039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.110039][   T10] 
[ 3709.111946][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3709.112188][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3709.112188][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.112188][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.112188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.112188][   T10]      ip6_route_add+0x1c/0x140
[ 3709.112188][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3709.112188][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3709.112188][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.112188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.112188][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.112188][   T10]      netlink_unicast+0x449/0x710
[ 3709.112188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.112188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.112188][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.112188][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.112188][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.112188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.112188][   T10] 
[ 3709.114511][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3709.114511][   T10]      netdev_get_by_index+0x5e/0x80
[ 3709.114511][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3709.114511][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3709.114511][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3709.114511][   T10]      ipv6_add_addr+0x411/0x2000
[ 3709.114511][   T10]      inet6_addr_add+0x30e/0xa40
[ 3709.114511][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3709.114511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.114511][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.114511][   T10]      netlink_unicast+0x449/0x710
[ 3709.114511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.114511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.114511][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.114511][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.114511][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.114511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.114511][   T10] 
[ 3709.116729][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3709.116729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3709.116729][   T10]      ipv6_find_idev+0x102/0x170
[ 3709.116729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3709.116729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.116729][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.116729][   T10]      netlink_unicast+0x449/0x710
[ 3709.116729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.116729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.116729][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.116729][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.116729][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.116729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.116729][   T10] 
[ 3709.118504][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3709.118504][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3709.118504][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3709.118504][   T10]      ipv6_find_idev+0x102/0x170
[ 3709.118504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3709.118504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3709.118504][   T10]      netlink_rcv_skb+0x130/0x360
[ 3709.118504][   T10]      netlink_unicast+0x449/0x710
[ 3709.118504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3709.118504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3709.118504][   T10]      ___sys_sendmsg+0xee/0x170
[ 3709.118504][   T10]      __sys_sendmsg+0xcd/0x170
[ 3709.118504][   T10]      do_syscall_64+0xc6/0x1e0
[ 3709.118504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3709.118504][   T10] 
[ 3719.152762][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3719.153532][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.153532][   T10]      dst_init+0x84/0x4a0
[ 3719.153532][   T10]      dst_alloc+0x97/0x150
[ 3719.153532][   T10]      ip6_dst_alloc+0x23/0x90
[ 3719.153532][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3719.153532][   T10]      ip6_pol_route+0x56f/0x840
[ 3719.153532][   T10]      fib6_rule_lookup+0x456/0x630
[ 3719.153532][   T10]      ip6_route_input+0x59c/0xa50
[ 3719.153532][   T10]      ipv6_rcv+0x397/0x810
[ 3719.153532][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3719.153532][   T10]      process_backlog+0x101/0x620
[ 3719.153532][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3719.153532][   T10]      net_rx_action+0x495/0xbe0
[ 3719.153532][   T10]      __do_softirq+0x1b5/0x7f6
[ 3719.153532][   T10] 
[ 3719.155174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.155174][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3719.155174][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3719.155174][   T10]      fib6_nh_init+0xa22/0x1580
[ 3719.155174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.155174][   T10]      ip6_route_add+0x1c/0x140
[ 3719.155174][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3719.155174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.155174][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.155174][   T10]      netlink_unicast+0x449/0x710
[ 3719.155174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.155174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.155174][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.155174][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.155174][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.155174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.155174][   T10] 
[ 3719.156945][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.156945][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.156945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.156945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.156945][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3719.156945][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3719.156945][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3719.156945][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3719.156945][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3719.156945][   T10]      addrconf_dad_begin+0x310/0x670
[ 3719.156945][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3719.156945][   T10]      process_one_work+0x84d/0x18a0
[ 3719.156945][   T10]      worker_thread+0x587/0xd30
[ 3719.156945][   T10]      kthread+0x28a/0x350
[ 3719.156945][   T10]      ret_from_fork+0x31/0x70
[ 3719.156945][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3719.156945][   T10] 
[ 3719.158784][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.158784][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.158784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.158784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.158784][   T10]      ip6_route_add+0x1c/0x140
[ 3719.158784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3719.158784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3719.158784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.158784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.158784][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.158784][   T10]      netlink_unicast+0x449/0x710
[ 3719.158784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.158784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.158784][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.158784][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.158784][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.158784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.158784][   T10] 
[ 3719.160705][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.160705][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.160705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.160705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.160705][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3719.160705][   T10]      ipv6_add_addr+0x411/0x2000
[ 3719.160705][   T10]      inet6_addr_add+0x30e/0xa40
[ 3719.160705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.160705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.160705][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.160705][   T10]      netlink_unicast+0x449/0x710
[ 3719.160705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.160705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.160705][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.160705][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.160705][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.160705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.160705][   T10] 
[ 3719.162597][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.162597][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.162597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.162597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.162597][   T10]      ip6_route_add+0x1c/0x140
[ 3719.162597][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3719.162597][   T10]      addrconf_add_dev+0xe2/0x170
[ 3719.162597][   T10]      inet6_addr_add+0x12f/0xa40
[ 3719.162597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.162597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.162597][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.162597][   T10]      netlink_unicast+0x449/0x710
[ 3719.162597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.162597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.162597][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.162597][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.162597][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.162597][   T10] 
[ 3719.164493][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.164493][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3719.164493][   T10]      ipv6_find_idev+0x102/0x170
[ 3719.164493][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.164493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.164493][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.164493][   T10]      netlink_unicast+0x449/0x710
[ 3719.164493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.164493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.164493][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.164493][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.164493][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.164493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.164493][   T10] 
[ 3719.166040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3719.166040][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3719.166040][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3719.166040][   T10]      ipv6_find_idev+0x102/0x170
[ 3719.166040][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.166040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.166040][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.166040][   T10]      netlink_unicast+0x449/0x710
[ 3719.166040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.166040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.166040][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.166040][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.166040][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.166040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.166040][   T10] 
[ 3719.167796][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3719.168052][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.168052][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3719.168052][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3719.168052][   T10]      fib6_nh_init+0xa22/0x1580
[ 3719.168052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.168052][   T10]      ip6_route_add+0x1c/0x140
[ 3719.168052][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3719.168052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.168052][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.168052][   T10]      netlink_unicast+0x449/0x710
[ 3719.168052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.168052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.168052][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.168052][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.168052][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.168052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.168052][   T10] 
[ 3719.169965][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.169965][   T10]      dst_init+0x84/0x4a0
[ 3719.169965][   T10]      dst_alloc+0x97/0x150
[ 3719.169965][   T10]      ip6_dst_alloc+0x23/0x90
[ 3719.169965][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3719.169965][   T10]      ip6_pol_route+0x56f/0x840
[ 3719.169965][   T10]      fib6_rule_lookup+0x456/0x630
[ 3719.169965][   T10]      ip6_route_input+0x59c/0xa50
[ 3719.169965][   T10]      ipv6_rcv+0x397/0x810
[ 3719.169965][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3719.169965][   T10]      process_backlog+0x101/0x620
[ 3719.169965][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3719.169965][   T10]      net_rx_action+0x495/0xbe0
[ 3719.169965][   T10]      __do_softirq+0x1b5/0x7f6
[ 3719.169965][   T10] 
[ 3719.171574][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.171574][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.171574][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.171574][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.171574][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3719.171574][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3719.171574][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3719.171574][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3719.171574][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3719.171574][   T10]      addrconf_dad_begin+0x310/0x670
[ 3719.171574][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3719.171574][   T10]      process_one_work+0x84d/0x18a0
[ 3719.171574][   T10]      worker_thread+0x587/0xd30
[ 3719.171574][   T10]      kthread+0x28a/0x350
[ 3719.171574][   T10]      ret_from_fork+0x31/0x70
[ 3719.171574][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3719.171574][   T10] 
[ 3719.173455][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.173455][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.173455][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.173455][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.173455][   T10]      ip6_route_add+0x1c/0x140
[ 3719.173455][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3719.173455][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3719.173455][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.173455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.173455][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.173455][   T10]      netlink_unicast+0x449/0x710
[ 3719.173455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.173455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.173455][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.173455][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.173455][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.173455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.173455][   T10] 
[ 3719.175473][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.175473][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.175473][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.175473][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.175473][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3719.175473][   T10]      ipv6_add_addr+0x411/0x2000
[ 3719.175473][   T10]      inet6_addr_add+0x30e/0xa40
[ 3719.175473][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.175473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.175473][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.175473][   T10]      netlink_unicast+0x449/0x710
[ 3719.175473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.175473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.175473][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.175473][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.175473][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.175473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.175473][   T10] 
[ 3719.177509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.177509][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.177509][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.177509][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.177509][   T10]      ip6_route_add+0x1c/0x140
[ 3719.177509][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3719.177509][   T10]      addrconf_add_dev+0xe2/0x170
[ 3719.177509][   T10]      inet6_addr_add+0x12f/0xa40
[ 3719.177509][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.177509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.177509][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.177509][   T10]      netlink_unicast+0x449/0x710
[ 3719.177509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.177509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.177509][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.177509][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.177509][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.177509][   T10] 
[ 3719.179711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.179711][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3719.179711][   T10]      ipv6_find_idev+0x102/0x170
[ 3719.179711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.179711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.179711][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.179711][   T10]      netlink_unicast+0x449/0x710
[ 3719.179711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.179711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.179711][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.179711][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.179711][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.179711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.179711][   T10] 
[ 3719.181453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3719.181453][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3719.181453][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3719.181453][   T10]      ipv6_find_idev+0x102/0x170
[ 3719.181453][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.181453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.181453][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.181453][   T10]      netlink_unicast+0x449/0x710
[ 3719.181453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.181453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.181453][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.181453][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.181453][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.181453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.181453][   T10] 
[ 3719.183414][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3719.183687][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3719.183687][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.183687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.183687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.183687][   T10]      ip6_route_add+0x1c/0x140
[ 3719.183687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3719.183687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3719.183687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.183687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.183687][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.183687][   T10]      netlink_unicast+0x449/0x710
[ 3719.183687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.183687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.183687][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.183687][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.183687][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.183687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.183687][   T10] 
[ 3719.185992][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3719.185992][   T10]      netdev_get_by_index+0x5e/0x80
[ 3719.185992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3719.185992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3719.185992][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3719.185992][   T10]      ipv6_add_addr+0x411/0x2000
[ 3719.185992][   T10]      inet6_addr_add+0x30e/0xa40
[ 3719.185992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3719.185992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.185992][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.185992][   T10]      netlink_unicast+0x449/0x710
[ 3719.185992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.185992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.185992][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.185992][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.185992][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.185992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.185992][   T10] 
[ 3719.188291][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3719.188291][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3719.188291][   T10]      ipv6_find_idev+0x102/0x170
[ 3719.188291][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.188291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.188291][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.188291][   T10]      netlink_unicast+0x449/0x710
[ 3719.188291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.188291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.188291][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.188291][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.188291][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.188291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.188291][   T10] 
[ 3719.190041][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3719.190041][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3719.190041][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3719.190041][   T10]      ipv6_find_idev+0x102/0x170
[ 3719.190041][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3719.190041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3719.190041][   T10]      netlink_rcv_skb+0x130/0x360
[ 3719.190041][   T10]      netlink_unicast+0x449/0x710
[ 3719.190041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3719.190041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3719.190041][   T10]      ___sys_sendmsg+0xee/0x170
[ 3719.190041][   T10]      __sys_sendmsg+0xcd/0x170
[ 3719.190041][   T10]      do_syscall_64+0xc6/0x1e0
[ 3719.190041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3719.190041][   T10] 
[ 3729.440775][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3729.441528][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.441528][   T10]      dst_init+0x84/0x4a0
[ 3729.441528][   T10]      dst_alloc+0x97/0x150
[ 3729.441528][   T10]      ip6_dst_alloc+0x23/0x90
[ 3729.441528][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3729.441528][   T10]      ip6_pol_route+0x56f/0x840
[ 3729.441528][   T10]      fib6_rule_lookup+0x456/0x630
[ 3729.441528][   T10]      ip6_route_input+0x59c/0xa50
[ 3729.441528][   T10]      ipv6_rcv+0x397/0x810
[ 3729.441528][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3729.441528][   T10]      process_backlog+0x101/0x620
[ 3729.441528][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3729.441528][   T10]      net_rx_action+0x495/0xbe0
[ 3729.441528][   T10]      __do_softirq+0x1b5/0x7f6
[ 3729.441528][   T10] 
[ 3729.443102][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.443102][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3729.443102][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3729.443102][   T10]      fib6_nh_init+0xa22/0x1580
[ 3729.443102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.443102][   T10]      ip6_route_add+0x1c/0x140
[ 3729.443102][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3729.443102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.443102][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.443102][   T10]      netlink_unicast+0x449/0x710
[ 3729.443102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.443102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.443102][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.443102][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.443102][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.443102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.443102][   T10] 
[ 3729.444949][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.444949][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.444949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.444949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.444949][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3729.444949][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3729.444949][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3729.444949][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3729.444949][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3729.444949][   T10]      addrconf_dad_begin+0x310/0x670
[ 3729.444949][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3729.444949][   T10]      process_one_work+0x84d/0x18a0
[ 3729.444949][   T10]      worker_thread+0x587/0xd30
[ 3729.444949][   T10]      kthread+0x28a/0x350
[ 3729.444949][   T10]      ret_from_fork+0x31/0x70
[ 3729.444949][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3729.444949][   T10] 
[ 3729.446762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.446762][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.446762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.446762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.446762][   T10]      ip6_route_add+0x1c/0x140
[ 3729.446762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3729.446762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3729.446762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.446762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.446762][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.446762][   T10]      netlink_unicast+0x449/0x710
[ 3729.446762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.446762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.446762][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.446762][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.446762][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.446762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.446762][   T10] 
[ 3729.448736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.448736][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.448736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.448736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.448736][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3729.448736][   T10]      ipv6_add_addr+0x411/0x2000
[ 3729.448736][   T10]      inet6_addr_add+0x30e/0xa40
[ 3729.448736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.448736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.448736][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.448736][   T10]      netlink_unicast+0x449/0x710
[ 3729.448736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.448736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.448736][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.448736][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.448736][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.448736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.448736][   T10] 
[ 3729.450618][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.450618][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.450618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.450618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.450618][   T10]      ip6_route_add+0x1c/0x140
[ 3729.450618][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3729.450618][   T10]      addrconf_add_dev+0xe2/0x170
[ 3729.450618][   T10]      inet6_addr_add+0x12f/0xa40
[ 3729.450618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.450618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.450618][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.450618][   T10]      netlink_unicast+0x449/0x710
[ 3729.450618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.450618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.450618][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.450618][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.450618][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.450618][   T10] 
[ 3729.452548][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.452548][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3729.452548][   T10]      ipv6_find_idev+0x102/0x170
[ 3729.452548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.452548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.452548][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.452548][   T10]      netlink_unicast+0x449/0x710
[ 3729.452548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.452548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.452548][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.452548][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.452548][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.452548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.452548][   T10] 
[ 3729.453998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3729.453998][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3729.453998][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3729.453998][   T10]      ipv6_find_idev+0x102/0x170
[ 3729.453998][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.453998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.453998][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.453998][   T10]      netlink_unicast+0x449/0x710
[ 3729.453998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.453998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.453998][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.453998][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.453998][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.453998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.453998][   T10] 
[ 3729.455619][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3729.455843][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.455843][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3729.455843][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3729.455843][   T10]      fib6_nh_init+0xa22/0x1580
[ 3729.455843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.455843][   T10]      ip6_route_add+0x1c/0x140
[ 3729.455843][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3729.455843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.455843][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.455843][   T10]      netlink_unicast+0x449/0x710
[ 3729.455843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.455843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.455843][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.455843][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.455843][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.455843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.455843][   T10] 
[ 3729.457672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.457672][   T10]      dst_init+0x84/0x4a0
[ 3729.457672][   T10]      dst_alloc+0x97/0x150
[ 3729.457672][   T10]      ip6_dst_alloc+0x23/0x90
[ 3729.457672][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3729.457672][   T10]      ip6_pol_route+0x56f/0x840
[ 3729.457672][   T10]      fib6_rule_lookup+0x456/0x630
[ 3729.457672][   T10]      ip6_route_input+0x59c/0xa50
[ 3729.457672][   T10]      ipv6_rcv+0x397/0x810
[ 3729.457672][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3729.457672][   T10]      process_backlog+0x101/0x620
[ 3729.457672][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3729.457672][   T10]      net_rx_action+0x495/0xbe0
[ 3729.457672][   T10]      __do_softirq+0x1b5/0x7f6
[ 3729.457672][   T10] 
[ 3729.459328][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.459328][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.459328][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.459328][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.459328][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3729.459328][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3729.459328][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3729.459328][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3729.459328][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3729.459328][   T10]      addrconf_dad_begin+0x310/0x670
[ 3729.459328][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3729.459328][   T10]      process_one_work+0x84d/0x18a0
[ 3729.459328][   T10]      worker_thread+0x587/0xd30
[ 3729.459328][   T10]      kthread+0x28a/0x350
[ 3729.459328][   T10]      ret_from_fork+0x31/0x70
[ 3729.459328][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3729.459328][   T10] 
[ 3729.461226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.461226][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.461226][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.461226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.461226][   T10]      ip6_route_add+0x1c/0x140
[ 3729.461226][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3729.461226][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3729.461226][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.461226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.461226][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.461226][   T10]      netlink_unicast+0x449/0x710
[ 3729.461226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.461226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.461226][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.461226][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.461226][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.461226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.461226][   T10] 
[ 3729.463252][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.463252][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.463252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.463252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.463252][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3729.463252][   T10]      ipv6_add_addr+0x411/0x2000
[ 3729.463252][   T10]      inet6_addr_add+0x30e/0xa40
[ 3729.463252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.463252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.463252][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.463252][   T10]      netlink_unicast+0x449/0x710
[ 3729.463252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.463252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.463252][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.463252][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.463252][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.463252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.463252][   T10] 
[ 3729.465197][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.465197][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.465197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.465197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.465197][   T10]      ip6_route_add+0x1c/0x140
[ 3729.465197][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3729.465197][   T10]      addrconf_add_dev+0xe2/0x170
[ 3729.465197][   T10]      inet6_addr_add+0x12f/0xa40
[ 3729.465197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.465197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.465197][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.465197][   T10]      netlink_unicast+0x449/0x710
[ 3729.465197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.465197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.465197][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.465197][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.465197][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.465197][   T10] 
[ 3729.467323][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.467323][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3729.467323][   T10]      ipv6_find_idev+0x102/0x170
[ 3729.467323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.467323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.467323][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.467323][   T10]      netlink_unicast+0x449/0x710
[ 3729.467323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.467323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.467323][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.467323][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.467323][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.467323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.467323][   T10] 
[ 3729.469165][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3729.469165][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3729.469165][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3729.469165][   T10]      ipv6_find_idev+0x102/0x170
[ 3729.469165][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.469165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.469165][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.469165][   T10]      netlink_unicast+0x449/0x710
[ 3729.469165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.469165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.469165][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.469165][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.469165][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.469165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.469165][   T10] 
[ 3729.471551][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3729.471802][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3729.471802][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.471802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.471802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.471802][   T10]      ip6_route_add+0x1c/0x140
[ 3729.471802][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3729.471802][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3729.471802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.471802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.471802][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.471802][   T10]      netlink_unicast+0x449/0x710
[ 3729.471802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.471802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.471802][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.471802][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.471802][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.471802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.471802][   T10] 
[ 3729.474005][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3729.474005][   T10]      netdev_get_by_index+0x5e/0x80
[ 3729.474005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3729.474005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3729.474005][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3729.474005][   T10]      ipv6_add_addr+0x411/0x2000
[ 3729.474005][   T10]      inet6_addr_add+0x30e/0xa40
[ 3729.474005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3729.474005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.474005][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.474005][   T10]      netlink_unicast+0x449/0x710
[ 3729.474005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.474005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.474005][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.474005][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.474005][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.474005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.474005][   T10] 
[ 3729.476208][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3729.476208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3729.476208][   T10]      ipv6_find_idev+0x102/0x170
[ 3729.476208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.476208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.476208][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.476208][   T10]      netlink_unicast+0x449/0x710
[ 3729.476208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.476208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.476208][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.476208][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.476208][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.476208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.476208][   T10] 
[ 3729.477991][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3729.477991][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3729.477991][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3729.477991][   T10]      ipv6_find_idev+0x102/0x170
[ 3729.477991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3729.477991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3729.477991][   T10]      netlink_rcv_skb+0x130/0x360
[ 3729.477991][   T10]      netlink_unicast+0x449/0x710
[ 3729.477991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3729.477991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3729.477991][   T10]      ___sys_sendmsg+0xee/0x170
[ 3729.477991][   T10]      __sys_sendmsg+0xcd/0x170
[ 3729.477991][   T10]      do_syscall_64+0xc6/0x1e0
[ 3729.477991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3729.477991][   T10] 
[ 3739.728776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3739.729608][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.729608][   T10]      dst_init+0x84/0x4a0
[ 3739.729608][   T10]      dst_alloc+0x97/0x150
[ 3739.729608][   T10]      ip6_dst_alloc+0x23/0x90
[ 3739.729608][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3739.729608][   T10]      ip6_pol_route+0x56f/0x840
[ 3739.729608][   T10]      fib6_rule_lookup+0x456/0x630
[ 3739.729608][   T10]      ip6_route_input+0x59c/0xa50
[ 3739.729608][   T10]      ipv6_rcv+0x397/0x810
[ 3739.729608][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3739.729608][   T10]      process_backlog+0x101/0x620
[ 3739.729608][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3739.729608][   T10]      net_rx_action+0x495/0xbe0
[ 3739.729608][   T10]      __do_softirq+0x1b5/0x7f6
[ 3739.729608][   T10] 
[ 3739.731221][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.731221][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3739.731221][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3739.731221][   T10]      fib6_nh_init+0xa22/0x1580
[ 3739.731221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.731221][   T10]      ip6_route_add+0x1c/0x140
[ 3739.731221][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3739.731221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.731221][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.731221][   T10]      netlink_unicast+0x449/0x710
[ 3739.731221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.731221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.731221][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.731221][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.731221][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.731221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.731221][   T10] 
[ 3739.733014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.733014][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.733014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.733014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.733014][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3739.733014][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3739.733014][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3739.733014][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3739.733014][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3739.733014][   T10]      addrconf_dad_begin+0x310/0x670
[ 3739.733014][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3739.733014][   T10]      process_one_work+0x84d/0x18a0
[ 3739.733014][   T10]      worker_thread+0x587/0xd30
[ 3739.733014][   T10]      kthread+0x28a/0x350
[ 3739.733014][   T10]      ret_from_fork+0x31/0x70
[ 3739.733014][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3739.733014][   T10] 
[ 3739.734807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.734807][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.734807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.734807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.734807][   T10]      ip6_route_add+0x1c/0x140
[ 3739.734807][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3739.734807][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3739.734807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.734807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.734807][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.734807][   T10]      netlink_unicast+0x449/0x710
[ 3739.734807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.734807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.734807][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.734807][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.734807][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.734807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.734807][   T10] 
[ 3739.736823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.736823][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.736823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.736823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.736823][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3739.736823][   T10]      ipv6_add_addr+0x411/0x2000
[ 3739.736823][   T10]      inet6_addr_add+0x30e/0xa40
[ 3739.736823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.736823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.736823][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.736823][   T10]      netlink_unicast+0x449/0x710
[ 3739.736823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.736823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.736823][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.736823][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.736823][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.736823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.736823][   T10] 
[ 3739.738841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.738841][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.738841][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.738841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.738841][   T10]      ip6_route_add+0x1c/0x140
[ 3739.738841][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3739.738841][   T10]      addrconf_add_dev+0xe2/0x170
[ 3739.738841][   T10]      inet6_addr_add+0x12f/0xa40
[ 3739.738841][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.738841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.738841][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.738841][   T10]      netlink_unicast+0x449/0x710
[ 3739.738841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.738841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.738841][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.738841][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.738841][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.738841][   T10] 
[ 3739.740899][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.740899][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3739.740899][   T10]      ipv6_find_idev+0x102/0x170
[ 3739.740899][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.740899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.740899][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.740899][   T10]      netlink_unicast+0x449/0x710
[ 3739.740899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.740899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.740899][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.740899][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.740899][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.740899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.740899][   T10] 
[ 3739.742468][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3739.742468][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3739.742468][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3739.742468][   T10]      ipv6_find_idev+0x102/0x170
[ 3739.742468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.742468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.742468][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.742468][   T10]      netlink_unicast+0x449/0x710
[ 3739.742468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.742468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.742468][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.742468][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.742468][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.742468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.742468][   T10] 
[ 3739.744171][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3739.744415][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.744415][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3739.744415][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3739.744415][   T10]      fib6_nh_init+0xa22/0x1580
[ 3739.744415][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.744415][   T10]      ip6_route_add+0x1c/0x140
[ 3739.744415][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3739.744415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.744415][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.744415][   T10]      netlink_unicast+0x449/0x710
[ 3739.744415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.744415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.744415][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.744415][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.744415][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.744415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.744415][   T10] 
[ 3739.746310][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.746310][   T10]      dst_init+0x84/0x4a0
[ 3739.746310][   T10]      dst_alloc+0x97/0x150
[ 3739.746310][   T10]      ip6_dst_alloc+0x23/0x90
[ 3739.746310][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3739.746310][   T10]      ip6_pol_route+0x56f/0x840
[ 3739.746310][   T10]      fib6_rule_lookup+0x456/0x630
[ 3739.746310][   T10]      ip6_route_input+0x59c/0xa50
[ 3739.746310][   T10]      ipv6_rcv+0x397/0x810
[ 3739.746310][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3739.746310][   T10]      process_backlog+0x101/0x620
[ 3739.746310][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3739.746310][   T10]      net_rx_action+0x495/0xbe0
[ 3739.746310][   T10]      __do_softirq+0x1b5/0x7f6
[ 3739.746310][   T10] 
[ 3739.747932][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.747932][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.747932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.747932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.747932][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3739.747932][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3739.747932][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3739.747932][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3739.747932][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3739.747932][   T10]      addrconf_dad_begin+0x310/0x670
[ 3739.747932][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3739.747932][   T10]      process_one_work+0x84d/0x18a0
[ 3739.747932][   T10]      worker_thread+0x587/0xd30
[ 3739.747932][   T10]      kthread+0x28a/0x350
[ 3739.747932][   T10]      ret_from_fork+0x31/0x70
[ 3739.747932][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3739.747932][   T10] 
[ 3739.749879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.749879][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.749879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.749879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.749879][   T10]      ip6_route_add+0x1c/0x140
[ 3739.749879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3739.749879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3739.749879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.749879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.749879][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.749879][   T10]      netlink_unicast+0x449/0x710
[ 3739.749879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.749879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.749879][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.749879][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.749879][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.749879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.749879][   T10] 
[ 3739.751896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.751896][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.751896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.751896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.751896][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3739.751896][   T10]      ipv6_add_addr+0x411/0x2000
[ 3739.751896][   T10]      inet6_addr_add+0x30e/0xa40
[ 3739.751896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.751896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.751896][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.751896][   T10]      netlink_unicast+0x449/0x710
[ 3739.751896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.751896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.751896][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.751896][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.751896][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.751896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.751896][   T10] 
[ 3739.753856][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.753856][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.753856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.753856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.753856][   T10]      ip6_route_add+0x1c/0x140
[ 3739.753856][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3739.753856][   T10]      addrconf_add_dev+0xe2/0x170
[ 3739.753856][   T10]      inet6_addr_add+0x12f/0xa40
[ 3739.753856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.753856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.753856][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.753856][   T10]      netlink_unicast+0x449/0x710
[ 3739.753856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.753856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.753856][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.753856][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.753856][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.753856][   T10] 
[ 3739.756023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.756023][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3739.756023][   T10]      ipv6_find_idev+0x102/0x170
[ 3739.756023][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.756023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.756023][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.756023][   T10]      netlink_unicast+0x449/0x710
[ 3739.756023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.756023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.756023][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.756023][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.756023][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.756023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.756023][   T10] 
[ 3739.757775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3739.757775][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3739.757775][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3739.757775][   T10]      ipv6_find_idev+0x102/0x170
[ 3739.757775][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.757775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.757775][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.757775][   T10]      netlink_unicast+0x449/0x710
[ 3739.757775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.757775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.757775][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.757775][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.757775][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.757775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.757775][   T10] 
[ 3739.759732][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3739.759972][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3739.759972][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.759972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.759972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.759972][   T10]      ip6_route_add+0x1c/0x140
[ 3739.759972][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3739.759972][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3739.759972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.759972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.759972][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.759972][   T10]      netlink_unicast+0x449/0x710
[ 3739.759972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.759972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.759972][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.759972][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.759972][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.759972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.759972][   T10] 
[ 3739.762253][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3739.762253][   T10]      netdev_get_by_index+0x5e/0x80
[ 3739.762253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3739.762253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3739.762253][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3739.762253][   T10]      ipv6_add_addr+0x411/0x2000
[ 3739.762253][   T10]      inet6_addr_add+0x30e/0xa40
[ 3739.762253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3739.762253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.762253][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.762253][   T10]      netlink_unicast+0x449/0x710
[ 3739.762253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.762253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.762253][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.762253][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.762253][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.762253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.762253][   T10] 
[ 3739.764487][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3739.764487][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3739.764487][   T10]      ipv6_find_idev+0x102/0x170
[ 3739.764487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.764487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.764487][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.764487][   T10]      netlink_unicast+0x449/0x710
[ 3739.764487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.764487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.764487][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.764487][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.764487][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.764487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.764487][   T10] 
[ 3739.766221][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3739.766221][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3739.766221][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3739.766221][   T10]      ipv6_find_idev+0x102/0x170
[ 3739.766221][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3739.766221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3739.766221][   T10]      netlink_rcv_skb+0x130/0x360
[ 3739.766221][   T10]      netlink_unicast+0x449/0x710
[ 3739.766221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3739.766221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3739.766221][   T10]      ___sys_sendmsg+0xee/0x170
[ 3739.766221][   T10]      __sys_sendmsg+0xcd/0x170
[ 3739.766221][   T10]      do_syscall_64+0xc6/0x1e0
[ 3739.766221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3739.766221][   T10] 
[ 3750.016795][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3750.017416][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.017416][   T10]      dst_init+0x84/0x4a0
[ 3750.017416][   T10]      dst_alloc+0x97/0x150
[ 3750.017416][   T10]      ip6_dst_alloc+0x23/0x90
[ 3750.017416][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3750.017416][   T10]      ip6_pol_route+0x56f/0x840
[ 3750.017416][   T10]      fib6_rule_lookup+0x456/0x630
[ 3750.017416][   T10]      ip6_route_input+0x59c/0xa50
[ 3750.017416][   T10]      ipv6_rcv+0x397/0x810
[ 3750.017416][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3750.017416][   T10]      process_backlog+0x101/0x620
[ 3750.017416][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3750.017416][   T10]      net_rx_action+0x495/0xbe0
[ 3750.017416][   T10]      __do_softirq+0x1b5/0x7f6
[ 3750.017416][   T10] 
[ 3750.019099][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.019099][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3750.019099][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3750.019099][   T10]      fib6_nh_init+0xa22/0x1580
[ 3750.019099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.019099][   T10]      ip6_route_add+0x1c/0x140
[ 3750.019099][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3750.019099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.019099][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.019099][   T10]      netlink_unicast+0x449/0x710
[ 3750.019099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.019099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.019099][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.019099][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.019099][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.019099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.019099][   T10] 
[ 3750.020927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.020927][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.020927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.020927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.020927][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3750.020927][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3750.020927][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3750.020927][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3750.020927][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3750.020927][   T10]      addrconf_dad_begin+0x310/0x670
[ 3750.020927][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3750.020927][   T10]      process_one_work+0x84d/0x18a0
[ 3750.020927][   T10]      worker_thread+0x587/0xd30
[ 3750.020927][   T10]      kthread+0x28a/0x350
[ 3750.020927][   T10]      ret_from_fork+0x31/0x70
[ 3750.020927][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3750.020927][   T10] 
[ 3750.022769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.022769][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.022769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.022769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.022769][   T10]      ip6_route_add+0x1c/0x140
[ 3750.022769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3750.022769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3750.022769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.022769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.022769][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.022769][   T10]      netlink_unicast+0x449/0x710
[ 3750.022769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.022769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.022769][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.022769][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.022769][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.022769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.022769][   T10] 
[ 3750.024801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.024801][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.024801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.024801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.024801][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3750.024801][   T10]      ipv6_add_addr+0x411/0x2000
[ 3750.024801][   T10]      inet6_addr_add+0x30e/0xa40
[ 3750.024801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.024801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.024801][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.024801][   T10]      netlink_unicast+0x449/0x710
[ 3750.024801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.024801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.024801][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.024801][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.024801][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.024801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.024801][   T10] 
[ 3750.026798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.026798][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.026798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.026798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.026798][   T10]      ip6_route_add+0x1c/0x140
[ 3750.026798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3750.026798][   T10]      addrconf_add_dev+0xe2/0x170
[ 3750.026798][   T10]      inet6_addr_add+0x12f/0xa40
[ 3750.026798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.026798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.026798][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.026798][   T10]      netlink_unicast+0x449/0x710
[ 3750.026798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.026798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.026798][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.026798][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.026798][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.026798][   T10] 
[ 3750.028768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.028768][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3750.028768][   T10]      ipv6_find_idev+0x102/0x170
[ 3750.028768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3750.028768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.028768][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.028768][   T10]      netlink_unicast+0x449/0x710
[ 3750.028768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.028768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.028768][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.028768][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.028768][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.028768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.028768][   T10] 
[ 3750.030356][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3750.030356][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3750.030356][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3750.030356][   T10]      ipv6_find_idev+0x102/0x170
[ 3750.030356][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3750.030356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.030356][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.030356][   T10]      netlink_unicast+0x449/0x710
[ 3750.030356][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.030356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.030356][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.030356][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.030356][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.030356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.030356][   T10] 
[ 3750.032126][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3750.032374][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.032374][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3750.032374][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3750.032374][   T10]      fib6_nh_init+0xa22/0x1580
[ 3750.032374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.032374][   T10]      ip6_route_add+0x1c/0x140
[ 3750.032374][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3750.032374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.032374][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.032374][   T10]      netlink_unicast+0x449/0x710
[ 3750.032374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.032374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.032374][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.032374][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.032374][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.032374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.032374][   T10] 
[ 3750.034297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.034297][   T10]      dst_init+0x84/0x4a0
[ 3750.034297][   T10]      dst_alloc+0x97/0x150
[ 3750.034297][   T10]      ip6_dst_alloc+0x23/0x90
[ 3750.034297][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3750.034297][   T10]      ip6_pol_route+0x56f/0x840
[ 3750.034297][   T10]      fib6_rule_lookup+0x456/0x630
[ 3750.034297][   T10]      ip6_route_input+0x59c/0xa50
[ 3750.034297][   T10]      ipv6_rcv+0x397/0x810
[ 3750.034297][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3750.034297][   T10]      process_backlog+0x101/0x620
[ 3750.034297][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3750.034297][   T10]      net_rx_action+0x495/0xbe0
[ 3750.034297][   T10]      __do_softirq+0x1b5/0x7f6
[ 3750.034297][   T10] 
[ 3750.035969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.035969][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.035969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.035969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.035969][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3750.035969][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3750.035969][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3750.035969][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3750.035969][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3750.035969][   T10]      addrconf_dad_begin+0x310/0x670
[ 3750.035969][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3750.035969][   T10]      process_one_work+0x84d/0x18a0
[ 3750.035969][   T10]      worker_thread+0x587/0xd30
[ 3750.035969][   T10]      kthread+0x28a/0x350
[ 3750.035969][   T10]      ret_from_fork+0x31/0x70
[ 3750.035969][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3750.035969][   T10] 
[ 3750.037876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.037876][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.037876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.037876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.037876][   T10]      ip6_route_add+0x1c/0x140
[ 3750.037876][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3750.037876][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3750.037876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.037876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.037876][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.037876][   T10]      netlink_unicast+0x449/0x710
[ 3750.037876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.037876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.037876][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.037876][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.037876][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.037876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.037876][   T10] 
[ 3750.039922][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.039922][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.039922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.039922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.039922][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3750.039922][   T10]      ipv6_add_addr+0x411/0x2000
[ 3750.039922][   T10]      inet6_addr_add+0x30e/0xa40
[ 3750.039922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.039922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.039922][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.039922][   T10]      netlink_unicast+0x449/0x710
[ 3750.039922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.039922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.039922][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.039922][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.039922][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.039922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.039922][   T10] 
[ 3750.041944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.041944][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.041944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.041944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.041944][   T10]      ip6_route_add+0x1c/0x140
[ 3750.041944][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3750.041944][   T10]      addrconf_add_dev+0xe2/0x170
[ 3750.041944][   T10]      inet6_addr_add+0x12f/0xa40
[ 3750.041944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.041944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.041944][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.041944][   T10]      netlink_unicast+0x449/0x710
[ 3750.041944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.041944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.041944][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.041944][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.041944][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.041944][   T10] 
[ 3750.044115][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.044115][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3750.044115][   T10]      ipv6_find_idev+0x102/0x170
[ 3750.044115][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3750.044115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.044115][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.044115][   T10]      netlink_unicast+0x449/0x710
[ 3750.044115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.044115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.044115][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.044115][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.044115][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.044115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.044115][   T10] 
[ 3750.045891][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3750.045891][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3750.045891][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3750.045891][   T10]      ipv6_find_idev+0x102/0x170
[ 3750.045891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3750.045891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.045891][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.045891][   T10]      netlink_unicast+0x449/0x710
[ 3750.045891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.045891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.045891][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.045891][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.045891][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.045891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.045891][   T10] 
[ 3750.047762][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3750.048119][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3750.048119][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.048119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.048119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.048119][   T10]      ip6_route_add+0x1c/0x140
[ 3750.048119][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3750.048119][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3750.048119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.048119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.048119][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.048119][   T10]      netlink_unicast+0x449/0x710
[ 3750.048119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.048119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.048119][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.048119][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.048119][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.048119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.048119][   T10] 
[ 3750.050407][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3750.050407][   T10]      netdev_get_by_index+0x5e/0x80
[ 3750.050407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3750.050407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3750.050407][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3750.050407][   T10]      ipv6_add_addr+0x411/0x2000
[ 3750.050407][   T10]      inet6_addr_add+0x30e/0xa40
[ 3750.050407][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3750.050407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.050407][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.050407][   T10]      netlink_unicast+0x449/0x710
[ 3750.050407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.050407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.050407][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.050407][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.050407][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.050407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.050407][   T10] 
[ 3750.052645][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3750.052645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3750.052645][   T10]      ipv6_find_idev+0x102/0x170
[ 3750.052645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3750.052645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.052645][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.052645][   T10]      netlink_unicast+0x449/0x710
[ 3750.052645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.052645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.052645][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.052645][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.052645][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.052645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.052645][   T10] 
[ 3750.054494][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3750.054494][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3750.054494][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3750.054494][   T10]      ipv6_find_idev+0x102/0x170
[ 3750.054494][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3750.054494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3750.054494][   T10]      netlink_rcv_skb+0x130/0x360
[ 3750.054494][   T10]      netlink_unicast+0x449/0x710
[ 3750.054494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3750.054494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3750.054494][   T10]      ___sys_sendmsg+0xee/0x170
[ 3750.054494][   T10]      __sys_sendmsg+0xcd/0x170
[ 3750.054494][   T10]      do_syscall_64+0xc6/0x1e0
[ 3750.054494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3750.054494][   T10] 
[ 3760.256776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3760.257354][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.257354][   T10]      dst_init+0x84/0x4a0
[ 3760.257354][   T10]      dst_alloc+0x97/0x150
[ 3760.257354][   T10]      ip6_dst_alloc+0x23/0x90
[ 3760.257354][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3760.257354][   T10]      ip6_pol_route+0x56f/0x840
[ 3760.257354][   T10]      fib6_rule_lookup+0x456/0x630
[ 3760.257354][   T10]      ip6_route_input+0x59c/0xa50
[ 3760.257354][   T10]      ipv6_rcv+0x397/0x810
[ 3760.257354][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3760.257354][   T10]      process_backlog+0x101/0x620
[ 3760.257354][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3760.257354][   T10]      net_rx_action+0x495/0xbe0
[ 3760.257354][   T10]      __do_softirq+0x1b5/0x7f6
[ 3760.257354][   T10] 
[ 3760.259075][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.259075][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3760.259075][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3760.259075][   T10]      fib6_nh_init+0xa22/0x1580
[ 3760.259075][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.259075][   T10]      ip6_route_add+0x1c/0x140
[ 3760.259075][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3760.259075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.259075][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.259075][   T10]      netlink_unicast+0x449/0x710
[ 3760.259075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.259075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.259075][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.259075][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.259075][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.259075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.259075][   T10] 
[ 3760.260933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.260933][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.260933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.260933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.260933][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3760.260933][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3760.260933][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3760.260933][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3760.260933][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3760.260933][   T10]      addrconf_dad_begin+0x310/0x670
[ 3760.260933][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3760.260933][   T10]      process_one_work+0x84d/0x18a0
[ 3760.260933][   T10]      worker_thread+0x587/0xd30
[ 3760.260933][   T10]      kthread+0x28a/0x350
[ 3760.260933][   T10]      ret_from_fork+0x31/0x70
[ 3760.260933][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3760.260933][   T10] 
[ 3760.262853][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.262853][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.262853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.262853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.262853][   T10]      ip6_route_add+0x1c/0x140
[ 3760.262853][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3760.262853][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3760.262853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.262853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.262853][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.262853][   T10]      netlink_unicast+0x449/0x710
[ 3760.262853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.262853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.262853][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.262853][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.262853][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.262853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.262853][   T10] 
[ 3760.264880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.264880][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.264880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.264880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.264880][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3760.264880][   T10]      ipv6_add_addr+0x411/0x2000
[ 3760.264880][   T10]      inet6_addr_add+0x30e/0xa40
[ 3760.264880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.264880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.264880][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.264880][   T10]      netlink_unicast+0x449/0x710
[ 3760.264880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.264880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.264880][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.264880][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.264880][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.264880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.264880][   T10] 
[ 3760.266929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.266929][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.266929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.266929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.266929][   T10]      ip6_route_add+0x1c/0x140
[ 3760.266929][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3760.266929][   T10]      addrconf_add_dev+0xe2/0x170
[ 3760.266929][   T10]      inet6_addr_add+0x12f/0xa40
[ 3760.266929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.266929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.266929][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.266929][   T10]      netlink_unicast+0x449/0x710
[ 3760.266929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.266929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.266929][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.266929][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.266929][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.266929][   T10] 
[ 3760.268900][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.268900][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3760.268900][   T10]      ipv6_find_idev+0x102/0x170
[ 3760.268900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3760.268900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.268900][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.268900][   T10]      netlink_unicast+0x449/0x710
[ 3760.268900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.268900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.268900][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.268900][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.268900][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.268900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.268900][   T10] 
[ 3760.270500][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3760.270500][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3760.270500][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3760.270500][   T10]      ipv6_find_idev+0x102/0x170
[ 3760.270500][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3760.270500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.270500][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.270500][   T10]      netlink_unicast+0x449/0x710
[ 3760.270500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.270500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.270500][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.270500][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.270500][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.270500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.270500][   T10] 
[ 3760.272212][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3760.272458][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.272458][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3760.272458][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3760.272458][   T10]      fib6_nh_init+0xa22/0x1580
[ 3760.272458][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.272458][   T10]      ip6_route_add+0x1c/0x140
[ 3760.272458][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3760.272458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.272458][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.272458][   T10]      netlink_unicast+0x449/0x710
[ 3760.272458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.272458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.272458][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.272458][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.272458][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.272458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.272458][   T10] 
[ 3760.274345][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.274345][   T10]      dst_init+0x84/0x4a0
[ 3760.274345][   T10]      dst_alloc+0x97/0x150
[ 3760.274345][   T10]      ip6_dst_alloc+0x23/0x90
[ 3760.274345][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3760.274345][   T10]      ip6_pol_route+0x56f/0x840
[ 3760.274345][   T10]      fib6_rule_lookup+0x456/0x630
[ 3760.274345][   T10]      ip6_route_input+0x59c/0xa50
[ 3760.274345][   T10]      ipv6_rcv+0x397/0x810
[ 3760.274345][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3760.274345][   T10]      process_backlog+0x101/0x620
[ 3760.274345][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3760.274345][   T10]      net_rx_action+0x495/0xbe0
[ 3760.274345][   T10]      __do_softirq+0x1b5/0x7f6
[ 3760.274345][   T10] 
[ 3760.276012][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.276012][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.276012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.276012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.276012][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3760.276012][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3760.276012][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3760.276012][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3760.276012][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3760.276012][   T10]      addrconf_dad_begin+0x310/0x670
[ 3760.276012][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3760.276012][   T10]      process_one_work+0x84d/0x18a0
[ 3760.276012][   T10]      worker_thread+0x587/0xd30
[ 3760.276012][   T10]      kthread+0x28a/0x350
[ 3760.276012][   T10]      ret_from_fork+0x31/0x70
[ 3760.276012][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3760.276012][   T10] 
[ 3760.277930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.277930][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.277930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.277930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.277930][   T10]      ip6_route_add+0x1c/0x140
[ 3760.277930][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3760.277930][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3760.277930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.277930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.277930][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.277930][   T10]      netlink_unicast+0x449/0x710
[ 3760.277930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.277930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.277930][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.277930][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.277930][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.277930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.277930][   T10] 
[ 3760.280019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.280019][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.280019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.280019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.280019][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3760.280019][   T10]      ipv6_add_addr+0x411/0x2000
[ 3760.280019][   T10]      inet6_addr_add+0x30e/0xa40
[ 3760.280019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.280019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.280019][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.280019][   T10]      netlink_unicast+0x449/0x710
[ 3760.280019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.280019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.280019][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.280019][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.280019][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.280019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.280019][   T10] 
[ 3760.281985][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.281985][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.281985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.281985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.281985][   T10]      ip6_route_add+0x1c/0x140
[ 3760.281985][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3760.281985][   T10]      addrconf_add_dev+0xe2/0x170
[ 3760.281985][   T10]      inet6_addr_add+0x12f/0xa40
[ 3760.281985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.281985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.281985][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.281985][   T10]      netlink_unicast+0x449/0x710
[ 3760.281985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.281985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.281985][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.281985][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.281985][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.281985][   T10] 
[ 3760.284155][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.284155][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3760.284155][   T10]      ipv6_find_idev+0x102/0x170
[ 3760.284155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3760.284155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.284155][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.284155][   T10]      netlink_unicast+0x449/0x710
[ 3760.284155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.284155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.284155][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.284155][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.284155][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.284155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.284155][   T10] 
[ 3760.285918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3760.285918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3760.285918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3760.285918][   T10]      ipv6_find_idev+0x102/0x170
[ 3760.285918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3760.285918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.285918][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.285918][   T10]      netlink_unicast+0x449/0x710
[ 3760.285918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.285918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.285918][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.285918][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.285918][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.285918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.285918][   T10] 
[ 3760.287872][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3760.288121][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3760.288121][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.288121][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.288121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.288121][   T10]      ip6_route_add+0x1c/0x140
[ 3760.288121][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3760.288121][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3760.288121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.288121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.288121][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.288121][   T10]      netlink_unicast+0x449/0x710
[ 3760.288121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.288121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.288121][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.288121][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.288121][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.288121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.288121][   T10] 
[ 3760.290417][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3760.290417][   T10]      netdev_get_by_index+0x5e/0x80
[ 3760.290417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3760.290417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3760.290417][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3760.290417][   T10]      ipv6_add_addr+0x411/0x2000
[ 3760.290417][   T10]      inet6_addr_add+0x30e/0xa40
[ 3760.290417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3760.290417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.290417][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.290417][   T10]      netlink_unicast+0x449/0x710
[ 3760.290417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.290417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.290417][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.290417][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.290417][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.290417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.290417][   T10] 
[ 3760.292712][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3760.292712][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3760.292712][   T10]      ipv6_find_idev+0x102/0x170
[ 3760.292712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3760.292712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.292712][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.292712][   T10]      netlink_unicast+0x449/0x710
[ 3760.292712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.292712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.292712][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.292712][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.292712][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.292712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.292712][   T10] 
[ 3760.294448][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3760.294448][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3760.294448][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3760.294448][   T10]      ipv6_find_idev+0x102/0x170
[ 3760.294448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3760.294448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3760.294448][   T10]      netlink_rcv_skb+0x130/0x360
[ 3760.294448][   T10]      netlink_unicast+0x449/0x710
[ 3760.294448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3760.294448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3760.294448][   T10]      ___sys_sendmsg+0xee/0x170
[ 3760.294448][   T10]      __sys_sendmsg+0xcd/0x170
[ 3760.294448][   T10]      do_syscall_64+0xc6/0x1e0
[ 3760.294448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3760.294448][   T10] 
[ 3770.840879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3770.841485][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.841485][   T10]      dst_init+0x84/0x4a0
[ 3770.841485][   T10]      dst_alloc+0x97/0x150
[ 3770.841485][   T10]      ip6_dst_alloc+0x23/0x90
[ 3770.841485][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3770.841485][   T10]      ip6_pol_route+0x56f/0x840
[ 3770.841485][   T10]      fib6_rule_lookup+0x456/0x630
[ 3770.841485][   T10]      ip6_route_input+0x59c/0xa50
[ 3770.841485][   T10]      ipv6_rcv+0x397/0x810
[ 3770.841485][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3770.841485][   T10]      process_backlog+0x101/0x620
[ 3770.841485][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3770.841485][   T10]      net_rx_action+0x495/0xbe0
[ 3770.841485][   T10]      __do_softirq+0x1b5/0x7f6
[ 3770.841485][   T10] 
[ 3770.843069][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.843069][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3770.843069][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3770.843069][   T10]      fib6_nh_init+0xa22/0x1580
[ 3770.843069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.843069][   T10]      ip6_route_add+0x1c/0x140
[ 3770.843069][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3770.843069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.843069][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.843069][   T10]      netlink_unicast+0x449/0x710
[ 3770.843069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.843069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.843069][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.843069][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.843069][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.843069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.843069][   T10] 
[ 3770.844851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.844851][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.844851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.844851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.844851][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3770.844851][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3770.844851][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3770.844851][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3770.844851][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3770.844851][   T10]      addrconf_dad_begin+0x310/0x670
[ 3770.844851][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3770.844851][   T10]      process_one_work+0x84d/0x18a0
[ 3770.844851][   T10]      worker_thread+0x587/0xd30
[ 3770.844851][   T10]      kthread+0x28a/0x350
[ 3770.844851][   T10]      ret_from_fork+0x31/0x70
[ 3770.844851][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3770.844851][   T10] 
[ 3770.846687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.846687][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.846687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.846687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.846687][   T10]      ip6_route_add+0x1c/0x140
[ 3770.846687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3770.846687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3770.846687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.846687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.846687][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.846687][   T10]      netlink_unicast+0x449/0x710
[ 3770.846687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.846687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.846687][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.846687][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.846687][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.846687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.846687][   T10] 
[ 3770.848744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.848744][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.848744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.848744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.848744][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3770.848744][   T10]      ipv6_add_addr+0x411/0x2000
[ 3770.848744][   T10]      inet6_addr_add+0x30e/0xa40
[ 3770.848744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.848744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.848744][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.848744][   T10]      netlink_unicast+0x449/0x710
[ 3770.848744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.848744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.848744][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.848744][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.848744][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.848744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.848744][   T10] 
[ 3770.850663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.850663][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.850663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.850663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.850663][   T10]      ip6_route_add+0x1c/0x140
[ 3770.850663][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3770.850663][   T10]      addrconf_add_dev+0xe2/0x170
[ 3770.850663][   T10]      inet6_addr_add+0x12f/0xa40
[ 3770.850663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.850663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.850663][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.850663][   T10]      netlink_unicast+0x449/0x710
[ 3770.850663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.850663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.850663][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.850663][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.850663][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.850663][   T10] 
[ 3770.852620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.852620][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3770.852620][   T10]      ipv6_find_idev+0x102/0x170
[ 3770.852620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.852620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.852620][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.852620][   T10]      netlink_unicast+0x449/0x710
[ 3770.852620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.852620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.852620][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.852620][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.852620][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.852620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.852620][   T10] 
[ 3770.854195][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3770.854195][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3770.854195][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3770.854195][   T10]      ipv6_find_idev+0x102/0x170
[ 3770.854195][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.854195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.854195][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.854195][   T10]      netlink_unicast+0x449/0x710
[ 3770.854195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.854195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.854195][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.854195][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.854195][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.854195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.854195][   T10] 
[ 3770.855926][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3770.856172][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.856172][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3770.856172][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3770.856172][   T10]      fib6_nh_init+0xa22/0x1580
[ 3770.856172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.856172][   T10]      ip6_route_add+0x1c/0x140
[ 3770.856172][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3770.856172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.856172][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.856172][   T10]      netlink_unicast+0x449/0x710
[ 3770.856172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.856172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.856172][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.856172][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.856172][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.856172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.856172][   T10] 
[ 3770.858066][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.858066][   T10]      dst_init+0x84/0x4a0
[ 3770.858066][   T10]      dst_alloc+0x97/0x150
[ 3770.858066][   T10]      ip6_dst_alloc+0x23/0x90
[ 3770.858066][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3770.858066][   T10]      ip6_pol_route+0x56f/0x840
[ 3770.858066][   T10]      fib6_rule_lookup+0x456/0x630
[ 3770.858066][   T10]      ip6_route_input+0x59c/0xa50
[ 3770.858066][   T10]      ipv6_rcv+0x397/0x810
[ 3770.858066][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3770.858066][   T10]      process_backlog+0x101/0x620
[ 3770.858066][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3770.858066][   T10]      net_rx_action+0x495/0xbe0
[ 3770.858066][   T10]      __do_softirq+0x1b5/0x7f6
[ 3770.858066][   T10] 
[ 3770.859703][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.859703][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.859703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.859703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.859703][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3770.859703][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3770.859703][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3770.859703][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3770.859703][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3770.859703][   T10]      addrconf_dad_begin+0x310/0x670
[ 3770.859703][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3770.859703][   T10]      process_one_work+0x84d/0x18a0
[ 3770.859703][   T10]      worker_thread+0x587/0xd30
[ 3770.859703][   T10]      kthread+0x28a/0x350
[ 3770.859703][   T10]      ret_from_fork+0x31/0x70
[ 3770.859703][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3770.859703][   T10] 
[ 3770.861654][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.861654][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.861654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.861654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.861654][   T10]      ip6_route_add+0x1c/0x140
[ 3770.861654][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3770.861654][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3770.861654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.861654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.861654][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.861654][   T10]      netlink_unicast+0x449/0x710
[ 3770.861654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.861654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.861654][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.861654][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.861654][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.861654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.861654][   T10] 
[ 3770.863692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.863692][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.863692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.863692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.863692][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3770.863692][   T10]      ipv6_add_addr+0x411/0x2000
[ 3770.863692][   T10]      inet6_addr_add+0x30e/0xa40
[ 3770.863692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.863692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.863692][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.863692][   T10]      netlink_unicast+0x449/0x710
[ 3770.863692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.863692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.863692][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.863692][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.863692][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.863692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.863692][   T10] 
[ 3770.865682][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.865682][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.865682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.865682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.865682][   T10]      ip6_route_add+0x1c/0x140
[ 3770.865682][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3770.865682][   T10]      addrconf_add_dev+0xe2/0x170
[ 3770.865682][   T10]      inet6_addr_add+0x12f/0xa40
[ 3770.865682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.865682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.865682][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.865682][   T10]      netlink_unicast+0x449/0x710
[ 3770.865682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.865682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.865682][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.865682][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.865682][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.865682][   T10] 
[ 3770.867852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.867852][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3770.867852][   T10]      ipv6_find_idev+0x102/0x170
[ 3770.867852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.867852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.867852][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.867852][   T10]      netlink_unicast+0x449/0x710
[ 3770.867852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.867852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.867852][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.867852][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.867852][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.867852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.867852][   T10] 
[ 3770.869683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3770.869683][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3770.869683][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3770.869683][   T10]      ipv6_find_idev+0x102/0x170
[ 3770.869683][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.869683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.869683][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.869683][   T10]      netlink_unicast+0x449/0x710
[ 3770.869683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.869683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.869683][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.869683][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.869683][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.869683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.869683][   T10] 
[ 3770.871614][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3770.871856][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3770.871856][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.871856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.871856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.871856][   T10]      ip6_route_add+0x1c/0x140
[ 3770.871856][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3770.871856][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3770.871856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.871856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.871856][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.871856][   T10]      netlink_unicast+0x449/0x710
[ 3770.871856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.871856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.871856][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.871856][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.871856][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.871856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.871856][   T10] 
[ 3770.874191][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3770.874191][   T10]      netdev_get_by_index+0x5e/0x80
[ 3770.874191][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3770.874191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3770.874191][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3770.874191][   T10]      ipv6_add_addr+0x411/0x2000
[ 3770.874191][   T10]      inet6_addr_add+0x30e/0xa40
[ 3770.874191][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3770.874191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.874191][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.874191][   T10]      netlink_unicast+0x449/0x710
[ 3770.874191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.874191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.874191][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.874191][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.874191][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.874191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.874191][   T10] 
[ 3770.876441][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3770.876441][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3770.876441][   T10]      ipv6_find_idev+0x102/0x170
[ 3770.876441][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.876441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.876441][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.876441][   T10]      netlink_unicast+0x449/0x710
[ 3770.876441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.876441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.876441][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.876441][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.876441][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.876441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.876441][   T10] 
[ 3770.878264][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3770.878264][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3770.878264][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3770.878264][   T10]      ipv6_find_idev+0x102/0x170
[ 3770.878264][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3770.878264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3770.878264][   T10]      netlink_rcv_skb+0x130/0x360
[ 3770.878264][   T10]      netlink_unicast+0x449/0x710
[ 3770.878264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3770.878264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3770.878264][   T10]      ___sys_sendmsg+0xee/0x170
[ 3770.878264][   T10]      __sys_sendmsg+0xcd/0x170
[ 3770.878264][   T10]      do_syscall_64+0xc6/0x1e0
[ 3770.878264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3770.878264][   T10] 
[ 3781.120789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3781.121420][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.121420][   T10]      dst_init+0x84/0x4a0
[ 3781.121420][   T10]      dst_alloc+0x97/0x150
[ 3781.121420][   T10]      ip6_dst_alloc+0x23/0x90
[ 3781.121420][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3781.121420][   T10]      ip6_pol_route+0x56f/0x840
[ 3781.121420][   T10]      fib6_rule_lookup+0x456/0x630
[ 3781.121420][   T10]      ip6_route_input+0x59c/0xa50
[ 3781.121420][   T10]      ipv6_rcv+0x397/0x810
[ 3781.121420][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3781.121420][   T10]      process_backlog+0x101/0x620
[ 3781.121420][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3781.121420][   T10]      net_rx_action+0x495/0xbe0
[ 3781.121420][   T10]      __do_softirq+0x1b5/0x7f6
[ 3781.121420][   T10] 
[ 3781.123095][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.123095][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3781.123095][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3781.123095][   T10]      fib6_nh_init+0xa22/0x1580
[ 3781.123095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.123095][   T10]      ip6_route_add+0x1c/0x140
[ 3781.123095][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3781.123095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.123095][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.123095][   T10]      netlink_unicast+0x449/0x710
[ 3781.123095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.123095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.123095][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.123095][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.123095][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.123095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.123095][   T10] 
[ 3781.125042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.125042][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.125042][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.125042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.125042][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3781.125042][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3781.125042][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3781.125042][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3781.125042][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3781.125042][   T10]      addrconf_dad_begin+0x310/0x670
[ 3781.125042][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3781.125042][   T10]      process_one_work+0x84d/0x18a0
[ 3781.125042][   T10]      worker_thread+0x587/0xd30
[ 3781.125042][   T10]      kthread+0x28a/0x350
[ 3781.125042][   T10]      ret_from_fork+0x31/0x70
[ 3781.125042][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3781.125042][   T10] 
[ 3781.126867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.126867][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.126867][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.126867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.126867][   T10]      ip6_route_add+0x1c/0x140
[ 3781.126867][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3781.126867][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3781.126867][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.126867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.126867][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.126867][   T10]      netlink_unicast+0x449/0x710
[ 3781.126867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.126867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.126867][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.126867][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.126867][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.126867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.126867][   T10] 
[ 3781.129262][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.129262][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.129262][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.129262][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.129262][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3781.129262][   T10]      ipv6_add_addr+0x411/0x2000
[ 3781.129262][   T10]      inet6_addr_add+0x30e/0xa40
[ 3781.129262][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.129262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.129262][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.129262][   T10]      netlink_unicast+0x449/0x710
[ 3781.129262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.129262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.129262][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.129262][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.129262][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.129262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.129262][   T10] 
[ 3781.131144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.131144][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.131144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.131144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.131144][   T10]      ip6_route_add+0x1c/0x140
[ 3781.131144][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3781.131144][   T10]      addrconf_add_dev+0xe2/0x170
[ 3781.131144][   T10]      inet6_addr_add+0x12f/0xa40
[ 3781.131144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.131144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.131144][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.131144][   T10]      netlink_unicast+0x449/0x710
[ 3781.131144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.131144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.131144][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.131144][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.131144][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.131144][   T10] 
[ 3781.133081][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.133081][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3781.133081][   T10]      ipv6_find_idev+0x102/0x170
[ 3781.133081][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3781.133081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.133081][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.133081][   T10]      netlink_unicast+0x449/0x710
[ 3781.133081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.133081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.133081][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.133081][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.133081][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.133081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.133081][   T10] 
[ 3781.134663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3781.134663][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3781.134663][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3781.134663][   T10]      ipv6_find_idev+0x102/0x170
[ 3781.134663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3781.134663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.134663][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.134663][   T10]      netlink_unicast+0x449/0x710
[ 3781.134663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.134663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.134663][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.134663][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.134663][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.134663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.134663][   T10] 
[ 3781.136387][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3781.136660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.136660][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3781.136660][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3781.136660][   T10]      fib6_nh_init+0xa22/0x1580
[ 3781.136660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.136660][   T10]      ip6_route_add+0x1c/0x140
[ 3781.136660][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3781.136660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.136660][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.136660][   T10]      netlink_unicast+0x449/0x710
[ 3781.136660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.136660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.136660][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.136660][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.136660][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.136660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.136660][   T10] 
[ 3781.138562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.138562][   T10]      dst_init+0x84/0x4a0
[ 3781.138562][   T10]      dst_alloc+0x97/0x150
[ 3781.138562][   T10]      ip6_dst_alloc+0x23/0x90
[ 3781.138562][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3781.138562][   T10]      ip6_pol_route+0x56f/0x840
[ 3781.138562][   T10]      fib6_rule_lookup+0x456/0x630
[ 3781.138562][   T10]      ip6_route_input+0x59c/0xa50
[ 3781.138562][   T10]      ipv6_rcv+0x397/0x810
[ 3781.138562][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3781.138562][   T10]      process_backlog+0x101/0x620
[ 3781.138562][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3781.138562][   T10]      net_rx_action+0x495/0xbe0
[ 3781.138562][   T10]      __do_softirq+0x1b5/0x7f6
[ 3781.138562][   T10] 
[ 3781.140204][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.140204][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.140204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.140204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.140204][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3781.140204][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3781.140204][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3781.140204][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3781.140204][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3781.140204][   T10]      addrconf_dad_begin+0x310/0x670
[ 3781.140204][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3781.140204][   T10]      process_one_work+0x84d/0x18a0
[ 3781.140204][   T10]      worker_thread+0x587/0xd30
[ 3781.140204][   T10]      kthread+0x28a/0x350
[ 3781.140204][   T10]      ret_from_fork+0x31/0x70
[ 3781.140204][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3781.140204][   T10] 
[ 3781.142147][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.142147][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.142147][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.142147][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.142147][   T10]      ip6_route_add+0x1c/0x140
[ 3781.142147][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3781.142147][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3781.142147][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.142147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.142147][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.142147][   T10]      netlink_unicast+0x449/0x710
[ 3781.142147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.142147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.142147][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.142147][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.142147][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.142147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.142147][   T10] 
[ 3781.144573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.144573][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.144573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.144573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.144573][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3781.144573][   T10]      ipv6_add_addr+0x411/0x2000
[ 3781.144573][   T10]      inet6_addr_add+0x30e/0xa40
[ 3781.144573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.144573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.144573][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.144573][   T10]      netlink_unicast+0x449/0x710
[ 3781.144573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.144573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.144573][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.144573][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.144573][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.144573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.144573][   T10] 
[ 3781.146923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.146923][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.146923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.146923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.146923][   T10]      ip6_route_add+0x1c/0x140
[ 3781.146923][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3781.146923][   T10]      addrconf_add_dev+0xe2/0x170
[ 3781.146923][   T10]      inet6_addr_add+0x12f/0xa40
[ 3781.146923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.146923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.146923][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.146923][   T10]      netlink_unicast+0x449/0x710
[ 3781.146923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.146923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.146923][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.146923][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.146923][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.146923][   T10] 
[ 3781.149019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.149019][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3781.149019][   T10]      ipv6_find_idev+0x102/0x170
[ 3781.149019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3781.149019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.149019][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.149019][   T10]      netlink_unicast+0x449/0x710
[ 3781.149019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.149019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.149019][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.149019][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.149019][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.149019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.149019][   T10] 
[ 3781.150768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3781.150768][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3781.150768][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3781.150768][   T10]      ipv6_find_idev+0x102/0x170
[ 3781.150768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3781.150768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.150768][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.150768][   T10]      netlink_unicast+0x449/0x710
[ 3781.150768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.150768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.150768][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.150768][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.150768][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.150768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.150768][   T10] 
[ 3781.152741][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3781.153011][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3781.153011][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.153011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.153011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.153011][   T10]      ip6_route_add+0x1c/0x140
[ 3781.153011][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3781.153011][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3781.153011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.153011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.153011][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.153011][   T10]      netlink_unicast+0x449/0x710
[ 3781.153011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.153011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.153011][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.153011][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.153011][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.153011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.153011][   T10] 
[ 3781.155273][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3781.155273][   T10]      netdev_get_by_index+0x5e/0x80
[ 3781.155273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3781.155273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3781.155273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3781.155273][   T10]      ipv6_add_addr+0x411/0x2000
[ 3781.155273][   T10]      inet6_addr_add+0x30e/0xa40
[ 3781.155273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3781.155273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.155273][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.155273][   T10]      netlink_unicast+0x449/0x710
[ 3781.155273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.155273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.155273][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.155273][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.155273][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.155273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.155273][   T10] 
[ 3781.157516][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3781.157516][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3781.157516][   T10]      ipv6_find_idev+0x102/0x170
[ 3781.157516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3781.157516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.157516][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.157516][   T10]      netlink_unicast+0x449/0x710
[ 3781.157516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.157516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.157516][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.157516][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.157516][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.157516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.157516][   T10] 
[ 3781.159254][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3781.159254][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3781.159254][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3781.159254][   T10]      ipv6_find_idev+0x102/0x170
[ 3781.159254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3781.159254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3781.159254][   T10]      netlink_rcv_skb+0x130/0x360
[ 3781.159254][   T10]      netlink_unicast+0x449/0x710
[ 3781.159254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3781.159254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3781.159254][   T10]      ___sys_sendmsg+0xee/0x170
[ 3781.159254][   T10]      __sys_sendmsg+0xcd/0x170
[ 3781.159254][   T10]      do_syscall_64+0xc6/0x1e0
[ 3781.159254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3781.159254][   T10] 
[ 3791.192729][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3791.193312][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.193312][   T10]      dst_init+0x84/0x4a0
[ 3791.193312][   T10]      dst_alloc+0x97/0x150
[ 3791.193312][   T10]      ip6_dst_alloc+0x23/0x90
[ 3791.193312][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3791.193312][   T10]      ip6_pol_route+0x56f/0x840
[ 3791.193312][   T10]      fib6_rule_lookup+0x456/0x630
[ 3791.193312][   T10]      ip6_route_input+0x59c/0xa50
[ 3791.193312][   T10]      ipv6_rcv+0x397/0x810
[ 3791.193312][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3791.193312][   T10]      process_backlog+0x101/0x620
[ 3791.193312][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3791.193312][   T10]      net_rx_action+0x495/0xbe0
[ 3791.193312][   T10]      __do_softirq+0x1b5/0x7f6
[ 3791.193312][   T10] 
[ 3791.195773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.195773][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3791.195773][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3791.195773][   T10]      fib6_nh_init+0xa22/0x1580
[ 3791.195773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.195773][   T10]      ip6_route_add+0x1c/0x140
[ 3791.195773][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3791.195773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.195773][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.195773][   T10]      netlink_unicast+0x449/0x710
[ 3791.195773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.195773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.195773][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.195773][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.195773][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.195773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.195773][   T10] 
[ 3791.197921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.197921][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.197921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.197921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.197921][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3791.197921][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3791.197921][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3791.197921][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3791.197921][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3791.197921][   T10]      addrconf_dad_begin+0x310/0x670
[ 3791.197921][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3791.197921][   T10]      process_one_work+0x84d/0x18a0
[ 3791.197921][   T10]      worker_thread+0x587/0xd30
[ 3791.197921][   T10]      kthread+0x28a/0x350
[ 3791.197921][   T10]      ret_from_fork+0x31/0x70
[ 3791.197921][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3791.197921][   T10] 
[ 3791.200046][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.200046][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.200046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.200046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.200046][   T10]      ip6_route_add+0x1c/0x140
[ 3791.200046][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3791.200046][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3791.200046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.200046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.200046][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.200046][   T10]      netlink_unicast+0x449/0x710
[ 3791.200046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.200046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.200046][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.200046][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.200046][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.200046][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.200046][   T10] 
[ 3791.202256][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.202256][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.202256][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.202256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.202256][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3791.202256][   T10]      ipv6_add_addr+0x411/0x2000
[ 3791.202256][   T10]      inet6_addr_add+0x30e/0xa40
[ 3791.202256][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.202256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.202256][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.202256][   T10]      netlink_unicast+0x449/0x710
[ 3791.202256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.202256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.202256][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.202256][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.202256][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.202256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.202256][   T10] 
[ 3791.204464][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.204464][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.204464][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.204464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.204464][   T10]      ip6_route_add+0x1c/0x140
[ 3791.204464][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3791.204464][   T10]      addrconf_add_dev+0xe2/0x170
[ 3791.204464][   T10]      inet6_addr_add+0x12f/0xa40
[ 3791.204464][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.204464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.204464][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.204464][   T10]      netlink_unicast+0x449/0x710
[ 3791.204464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.204464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.204464][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.204464][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.204464][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.204464][   T10] 
[ 3791.206680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.206680][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3791.206680][   T10]      ipv6_find_idev+0x102/0x170
[ 3791.206680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3791.206680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.206680][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.206680][   T10]      netlink_unicast+0x449/0x710
[ 3791.206680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.206680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.206680][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.206680][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.206680][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.206680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.206680][   T10] 
[ 3791.208424][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3791.208424][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3791.208424][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3791.208424][   T10]      ipv6_find_idev+0x102/0x170
[ 3791.208424][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3791.208424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.208424][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.208424][   T10]      netlink_unicast+0x449/0x710
[ 3791.208424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.208424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.208424][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.208424][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.208424][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.208424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.208424][   T10] 
[ 3791.210322][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3791.210593][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.210593][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3791.210593][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3791.210593][   T10]      fib6_nh_init+0xa22/0x1580
[ 3791.210593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.210593][   T10]      ip6_route_add+0x1c/0x140
[ 3791.210593][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3791.210593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.210593][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.210593][   T10]      netlink_unicast+0x449/0x710
[ 3791.210593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.210593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.210593][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.210593][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.210593][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.210593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.210593][   T10] 
[ 3791.212706][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.212706][   T10]      dst_init+0x84/0x4a0
[ 3791.212706][   T10]      dst_alloc+0x97/0x150
[ 3791.212706][   T10]      ip6_dst_alloc+0x23/0x90
[ 3791.212706][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3791.212706][   T10]      ip6_pol_route+0x56f/0x840
[ 3791.212706][   T10]      fib6_rule_lookup+0x456/0x630
[ 3791.212706][   T10]      ip6_route_input+0x59c/0xa50
[ 3791.212706][   T10]      ipv6_rcv+0x397/0x810
[ 3791.212706][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3791.212706][   T10]      process_backlog+0x101/0x620
[ 3791.212706][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3791.212706][   T10]      net_rx_action+0x495/0xbe0
[ 3791.212706][   T10]      __do_softirq+0x1b5/0x7f6
[ 3791.212706][   T10] 
[ 3791.214561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.214561][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.214561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.214561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.214561][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3791.214561][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3791.214561][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3791.214561][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3791.214561][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3791.214561][   T10]      addrconf_dad_begin+0x310/0x670
[ 3791.214561][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3791.214561][   T10]      process_one_work+0x84d/0x18a0
[ 3791.214561][   T10]      worker_thread+0x587/0xd30
[ 3791.214561][   T10]      kthread+0x28a/0x350
[ 3791.214561][   T10]      ret_from_fork+0x31/0x70
[ 3791.214561][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3791.214561][   T10] 
[ 3791.216699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.216699][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.216699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.216699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.216699][   T10]      ip6_route_add+0x1c/0x140
[ 3791.216699][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3791.216699][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3791.216699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.216699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.216699][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.216699][   T10]      netlink_unicast+0x449/0x710
[ 3791.216699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.216699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.216699][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.216699][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.216699][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.216699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.216699][   T10] 
[ 3791.218923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.218923][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.218923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.218923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.218923][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3791.218923][   T10]      ipv6_add_addr+0x411/0x2000
[ 3791.218923][   T10]      inet6_addr_add+0x30e/0xa40
[ 3791.218923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.218923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.218923][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.218923][   T10]      netlink_unicast+0x449/0x710
[ 3791.218923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.218923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.218923][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.218923][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.218923][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.218923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.218923][   T10] 
[ 3791.221538][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.221538][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.221538][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.221538][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.221538][   T10]      ip6_route_add+0x1c/0x140
[ 3791.221538][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3791.221538][   T10]      addrconf_add_dev+0xe2/0x170
[ 3791.221538][   T10]      inet6_addr_add+0x12f/0xa40
[ 3791.221538][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.221538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.221538][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.221538][   T10]      netlink_unicast+0x449/0x710
[ 3791.221538][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.221538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.221538][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.221538][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.221538][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.221538][   T10] 
[ 3791.223846][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.223846][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3791.223846][   T10]      ipv6_find_idev+0x102/0x170
[ 3791.223846][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3791.223846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.223846][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.223846][   T10]      netlink_unicast+0x449/0x710
[ 3791.223846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.223846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.223846][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.223846][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.223846][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.223846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.223846][   T10] 
[ 3791.225805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3791.225805][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3791.225805][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3791.225805][   T10]      ipv6_find_idev+0x102/0x170
[ 3791.225805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3791.225805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.225805][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.225805][   T10]      netlink_unicast+0x449/0x710
[ 3791.225805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.225805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.225805][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.225805][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.225805][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.225805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.225805][   T10] 
[ 3791.227855][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3791.228187][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3791.228187][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.228187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.228187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.228187][   T10]      ip6_route_add+0x1c/0x140
[ 3791.228187][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3791.228187][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3791.228187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.228187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.228187][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.228187][   T10]      netlink_unicast+0x449/0x710
[ 3791.228187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.228187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.228187][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.228187][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.228187][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.228187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.228187][   T10] 
[ 3791.230622][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3791.230622][   T10]      netdev_get_by_index+0x5e/0x80
[ 3791.230622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3791.230622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3791.230622][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3791.230622][   T10]      ipv6_add_addr+0x411/0x2000
[ 3791.230622][   T10]      inet6_addr_add+0x30e/0xa40
[ 3791.230622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3791.230622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.230622][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.230622][   T10]      netlink_unicast+0x449/0x710
[ 3791.230622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.230622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.230622][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.230622][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.230622][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.230622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.230622][   T10] 
[ 3791.233019][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3791.233019][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3791.233019][   T10]      ipv6_find_idev+0x102/0x170
[ 3791.233019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3791.233019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.233019][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.233019][   T10]      netlink_unicast+0x449/0x710
[ 3791.233019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.233019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.233019][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.233019][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.233019][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.233019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.233019][   T10] 
[ 3791.234914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3791.234914][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3791.234914][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3791.234914][   T10]      ipv6_find_idev+0x102/0x170
[ 3791.234914][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3791.234914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3791.234914][   T10]      netlink_rcv_skb+0x130/0x360
[ 3791.234914][   T10]      netlink_unicast+0x449/0x710
[ 3791.234914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3791.234914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3791.234914][   T10]      ___sys_sendmsg+0xee/0x170
[ 3791.234914][   T10]      __sys_sendmsg+0xcd/0x170
[ 3791.234914][   T10]      do_syscall_64+0xc6/0x1e0
[ 3791.234914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3791.234914][   T10] 
[ 3801.360702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3801.361227][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.361227][   T10]      dst_init+0x84/0x4a0
[ 3801.361227][   T10]      dst_alloc+0x97/0x150
[ 3801.361227][   T10]      ip6_dst_alloc+0x23/0x90
[ 3801.361227][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3801.361227][   T10]      ip6_pol_route+0x56f/0x840
[ 3801.361227][   T10]      fib6_rule_lookup+0x456/0x630
[ 3801.361227][   T10]      ip6_route_input+0x59c/0xa50
[ 3801.361227][   T10]      ipv6_rcv+0x397/0x810
[ 3801.361227][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3801.361227][   T10]      process_backlog+0x101/0x620
[ 3801.361227][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3801.361227][   T10]      net_rx_action+0x495/0xbe0
[ 3801.361227][   T10]      __do_softirq+0x1b5/0x7f6
[ 3801.361227][   T10] 
[ 3801.363068][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.363068][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3801.363068][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3801.363068][   T10]      fib6_nh_init+0xa22/0x1580
[ 3801.363068][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.363068][   T10]      ip6_route_add+0x1c/0x140
[ 3801.363068][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3801.363068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.363068][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.363068][   T10]      netlink_unicast+0x449/0x710
[ 3801.363068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.363068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.363068][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.363068][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.363068][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.363068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.363068][   T10] 
[ 3801.365128][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.365128][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.365128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.365128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.365128][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3801.365128][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3801.365128][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3801.365128][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3801.365128][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3801.365128][   T10]      addrconf_dad_begin+0x310/0x670
[ 3801.365128][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3801.365128][   T10]      process_one_work+0x84d/0x18a0
[ 3801.365128][   T10]      worker_thread+0x587/0xd30
[ 3801.365128][   T10]      kthread+0x28a/0x350
[ 3801.365128][   T10]      ret_from_fork+0x31/0x70
[ 3801.365128][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3801.365128][   T10] 
[ 3801.367245][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.367245][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.367245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.367245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.367245][   T10]      ip6_route_add+0x1c/0x140
[ 3801.367245][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3801.367245][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3801.367245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.367245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.367245][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.367245][   T10]      netlink_unicast+0x449/0x710
[ 3801.367245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.367245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.367245][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.367245][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.367245][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.367245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.367245][   T10] 
[ 3801.369522][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.369522][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.369522][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.369522][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.369522][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3801.369522][   T10]      ipv6_add_addr+0x411/0x2000
[ 3801.369522][   T10]      inet6_addr_add+0x30e/0xa40
[ 3801.369522][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.369522][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.369522][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.369522][   T10]      netlink_unicast+0x449/0x710
[ 3801.369522][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.369522][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.369522][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.369522][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.369522][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.369522][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.369522][   T10] 
[ 3801.371773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.371773][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.371773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.371773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.371773][   T10]      ip6_route_add+0x1c/0x140
[ 3801.371773][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3801.371773][   T10]      addrconf_add_dev+0xe2/0x170
[ 3801.371773][   T10]      inet6_addr_add+0x12f/0xa40
[ 3801.371773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.371773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.371773][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.371773][   T10]      netlink_unicast+0x449/0x710
[ 3801.371773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.371773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.371773][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.371773][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.371773][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.371773][   T10] 
[ 3801.373941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.373941][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3801.373941][   T10]      ipv6_find_idev+0x102/0x170
[ 3801.373941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3801.373941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.373941][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.373941][   T10]      netlink_unicast+0x449/0x710
[ 3801.373941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.373941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.373941][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.373941][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.373941][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.373941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.373941][   T10] 
[ 3801.375726][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3801.375726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3801.375726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3801.375726][   T10]      ipv6_find_idev+0x102/0x170
[ 3801.375726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3801.375726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.375726][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.375726][   T10]      netlink_unicast+0x449/0x710
[ 3801.375726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.375726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.375726][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.375726][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.375726][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.375726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.375726][   T10] 
[ 3801.377626][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3801.377889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.377889][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3801.377889][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3801.377889][   T10]      fib6_nh_init+0xa22/0x1580
[ 3801.377889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.377889][   T10]      ip6_route_add+0x1c/0x140
[ 3801.377889][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3801.377889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.377889][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.377889][   T10]      netlink_unicast+0x449/0x710
[ 3801.377889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.377889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.377889][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.377889][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.377889][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.377889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.377889][   T10] 
[ 3801.379993][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.379993][   T10]      dst_init+0x84/0x4a0
[ 3801.379993][   T10]      dst_alloc+0x97/0x150
[ 3801.379993][   T10]      ip6_dst_alloc+0x23/0x90
[ 3801.379993][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3801.379993][   T10]      ip6_pol_route+0x56f/0x840
[ 3801.379993][   T10]      fib6_rule_lookup+0x456/0x630
[ 3801.379993][   T10]      ip6_route_input+0x59c/0xa50
[ 3801.379993][   T10]      ipv6_rcv+0x397/0x810
[ 3801.379993][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3801.379993][   T10]      process_backlog+0x101/0x620
[ 3801.379993][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3801.379993][   T10]      net_rx_action+0x495/0xbe0
[ 3801.379993][   T10]      __do_softirq+0x1b5/0x7f6
[ 3801.379993][   T10] 
[ 3801.381810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.381810][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.381810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.381810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.381810][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3801.381810][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3801.381810][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3801.381810][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3801.381810][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3801.381810][   T10]      addrconf_dad_begin+0x310/0x670
[ 3801.381810][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3801.381810][   T10]      process_one_work+0x84d/0x18a0
[ 3801.381810][   T10]      worker_thread+0x587/0xd30
[ 3801.381810][   T10]      kthread+0x28a/0x350
[ 3801.381810][   T10]      ret_from_fork+0x31/0x70
[ 3801.381810][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3801.381810][   T10] 
[ 3801.383941][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.383941][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.383941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.383941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.383941][   T10]      ip6_route_add+0x1c/0x140
[ 3801.383941][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3801.383941][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3801.383941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.383941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.383941][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.383941][   T10]      netlink_unicast+0x449/0x710
[ 3801.383941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.383941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.383941][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.383941][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.383941][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.383941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.383941][   T10] 
[ 3801.386197][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.386197][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.386197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.386197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.386197][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3801.386197][   T10]      ipv6_add_addr+0x411/0x2000
[ 3801.386197][   T10]      inet6_addr_add+0x30e/0xa40
[ 3801.386197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.386197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.386197][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.386197][   T10]      netlink_unicast+0x449/0x710
[ 3801.386197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.386197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.386197][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.386197][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.386197][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.386197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.386197][   T10] 
[ 3801.388437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.388437][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.388437][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.388437][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.388437][   T10]      ip6_route_add+0x1c/0x140
[ 3801.388437][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3801.388437][   T10]      addrconf_add_dev+0xe2/0x170
[ 3801.388437][   T10]      inet6_addr_add+0x12f/0xa40
[ 3801.388437][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.388437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.388437][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.388437][   T10]      netlink_unicast+0x449/0x710
[ 3801.388437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.388437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.388437][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.388437][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.388437][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.388437][   T10] 
[ 3801.390746][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.390746][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3801.390746][   T10]      ipv6_find_idev+0x102/0x170
[ 3801.390746][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3801.390746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.390746][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.390746][   T10]      netlink_unicast+0x449/0x710
[ 3801.390746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.390746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.390746][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.390746][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.390746][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.390746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.390746][   T10] 
[ 3801.392641][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3801.392641][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3801.392641][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3801.392641][   T10]      ipv6_find_idev+0x102/0x170
[ 3801.392641][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3801.392641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.392641][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.392641][   T10]      netlink_unicast+0x449/0x710
[ 3801.392641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.392641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.392641][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.392641][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.392641][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.392641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.392641][   T10] 
[ 3801.394787][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3801.395122][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3801.395122][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.395122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.395122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.395122][   T10]      ip6_route_add+0x1c/0x140
[ 3801.395122][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3801.395122][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3801.395122][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.395122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.395122][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.395122][   T10]      netlink_unicast+0x449/0x710
[ 3801.395122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.395122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.395122][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.395122][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.395122][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.395122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.395122][   T10] 
[ 3801.397551][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3801.397551][   T10]      netdev_get_by_index+0x5e/0x80
[ 3801.397551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3801.397551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3801.397551][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3801.397551][   T10]      ipv6_add_addr+0x411/0x2000
[ 3801.397551][   T10]      inet6_addr_add+0x30e/0xa40
[ 3801.397551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3801.397551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.397551][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.397551][   T10]      netlink_unicast+0x449/0x710
[ 3801.397551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.397551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.397551][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.397551][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.397551][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.397551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.397551][   T10] 
[ 3801.400056][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3801.400056][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3801.400056][   T10]      ipv6_find_idev+0x102/0x170
[ 3801.400056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3801.400056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.400056][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.400056][   T10]      netlink_unicast+0x449/0x710
[ 3801.400056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.400056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.400056][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.400056][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.400056][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.400056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.400056][   T10] 
[ 3801.401959][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3801.401959][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3801.401959][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3801.401959][   T10]      ipv6_find_idev+0x102/0x170
[ 3801.401959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3801.401959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3801.401959][   T10]      netlink_rcv_skb+0x130/0x360
[ 3801.401959][   T10]      netlink_unicast+0x449/0x710
[ 3801.401959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3801.401959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3801.401959][   T10]      ___sys_sendmsg+0xee/0x170
[ 3801.401959][   T10]      __sys_sendmsg+0xcd/0x170
[ 3801.401959][   T10]      do_syscall_64+0xc6/0x1e0
[ 3801.401959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3801.401959][   T10] 
[ 3811.640704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3811.641253][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.641253][   T10]      dst_init+0x84/0x4a0
[ 3811.641253][   T10]      dst_alloc+0x97/0x150
[ 3811.641253][   T10]      ip6_dst_alloc+0x23/0x90
[ 3811.641253][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3811.641253][   T10]      ip6_pol_route+0x56f/0x840
[ 3811.641253][   T10]      fib6_rule_lookup+0x456/0x630
[ 3811.641253][   T10]      ip6_route_input+0x59c/0xa50
[ 3811.641253][   T10]      ipv6_rcv+0x397/0x810
[ 3811.641253][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3811.641253][   T10]      process_backlog+0x101/0x620
[ 3811.641253][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3811.641253][   T10]      net_rx_action+0x495/0xbe0
[ 3811.641253][   T10]      __do_softirq+0x1b5/0x7f6
[ 3811.641253][   T10] 
[ 3811.643232][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.643232][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3811.643232][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3811.643232][   T10]      fib6_nh_init+0xa22/0x1580
[ 3811.643232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.643232][   T10]      ip6_route_add+0x1c/0x140
[ 3811.643232][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3811.643232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.643232][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.643232][   T10]      netlink_unicast+0x449/0x710
[ 3811.643232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.643232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.643232][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.643232][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.643232][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.643232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.643232][   T10] 
[ 3811.645335][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.645335][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.645335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.645335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.645335][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3811.645335][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3811.645335][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3811.645335][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3811.645335][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3811.645335][   T10]      addrconf_dad_begin+0x310/0x670
[ 3811.645335][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3811.645335][   T10]      process_one_work+0x84d/0x18a0
[ 3811.645335][   T10]      worker_thread+0x587/0xd30
[ 3811.645335][   T10]      kthread+0x28a/0x350
[ 3811.645335][   T10]      ret_from_fork+0x31/0x70
[ 3811.645335][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3811.645335][   T10] 
[ 3811.647508][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.647508][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.647508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.647508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.647508][   T10]      ip6_route_add+0x1c/0x140
[ 3811.647508][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3811.647508][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3811.647508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.647508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.647508][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.647508][   T10]      netlink_unicast+0x449/0x710
[ 3811.647508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.647508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.647508][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.647508][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.647508][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.647508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.647508][   T10] 
[ 3811.649756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.649756][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.649756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.649756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.649756][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3811.649756][   T10]      ipv6_add_addr+0x411/0x2000
[ 3811.649756][   T10]      inet6_addr_add+0x30e/0xa40
[ 3811.649756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.649756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.649756][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.649756][   T10]      netlink_unicast+0x449/0x710
[ 3811.649756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.649756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.649756][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.649756][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.649756][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.649756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.649756][   T10] 
[ 3811.651981][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.651981][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.651981][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.651981][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.651981][   T10]      ip6_route_add+0x1c/0x140
[ 3811.651981][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3811.651981][   T10]      addrconf_add_dev+0xe2/0x170
[ 3811.651981][   T10]      inet6_addr_add+0x12f/0xa40
[ 3811.651981][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.651981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.651981][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.651981][   T10]      netlink_unicast+0x449/0x710
[ 3811.651981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.651981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.651981][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.651981][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.651981][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.651981][   T10] 
[ 3811.654210][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.654210][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3811.654210][   T10]      ipv6_find_idev+0x102/0x170
[ 3811.654210][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3811.654210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.654210][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.654210][   T10]      netlink_unicast+0x449/0x710
[ 3811.654210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.654210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.654210][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.654210][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.654210][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.654210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.654210][   T10] 
[ 3811.656479][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3811.656479][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3811.656479][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3811.656479][   T10]      ipv6_find_idev+0x102/0x170
[ 3811.656479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3811.656479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.656479][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.656479][   T10]      netlink_unicast+0x449/0x710
[ 3811.656479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.656479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.656479][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.656479][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.656479][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.656479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.656479][   T10] 
[ 3811.658403][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3811.658676][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.658676][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3811.658676][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3811.658676][   T10]      fib6_nh_init+0xa22/0x1580
[ 3811.658676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.658676][   T10]      ip6_route_add+0x1c/0x140
[ 3811.658676][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3811.658676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.658676][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.658676][   T10]      netlink_unicast+0x449/0x710
[ 3811.658676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.658676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.658676][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.658676][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.658676][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.658676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.658676][   T10] 
[ 3811.660786][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.660786][   T10]      dst_init+0x84/0x4a0
[ 3811.660786][   T10]      dst_alloc+0x97/0x150
[ 3811.660786][   T10]      ip6_dst_alloc+0x23/0x90
[ 3811.660786][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3811.660786][   T10]      ip6_pol_route+0x56f/0x840
[ 3811.660786][   T10]      fib6_rule_lookup+0x456/0x630
[ 3811.660786][   T10]      ip6_route_input+0x59c/0xa50
[ 3811.660786][   T10]      ipv6_rcv+0x397/0x810
[ 3811.660786][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3811.660786][   T10]      process_backlog+0x101/0x620
[ 3811.660786][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3811.660786][   T10]      net_rx_action+0x495/0xbe0
[ 3811.660786][   T10]      __do_softirq+0x1b5/0x7f6
[ 3811.660786][   T10] 
[ 3811.662603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.662603][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.662603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.662603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.662603][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3811.662603][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3811.662603][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3811.662603][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3811.662603][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3811.662603][   T10]      addrconf_dad_begin+0x310/0x670
[ 3811.662603][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3811.662603][   T10]      process_one_work+0x84d/0x18a0
[ 3811.662603][   T10]      worker_thread+0x587/0xd30
[ 3811.662603][   T10]      kthread+0x28a/0x350
[ 3811.662603][   T10]      ret_from_fork+0x31/0x70
[ 3811.662603][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3811.662603][   T10] 
[ 3811.664741][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.664741][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.664741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.664741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.664741][   T10]      ip6_route_add+0x1c/0x140
[ 3811.664741][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3811.664741][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3811.664741][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.664741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.664741][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.664741][   T10]      netlink_unicast+0x449/0x710
[ 3811.664741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.664741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.664741][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.664741][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.664741][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.664741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.664741][   T10] 
[ 3811.666980][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.666980][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.666980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.666980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.666980][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3811.666980][   T10]      ipv6_add_addr+0x411/0x2000
[ 3811.666980][   T10]      inet6_addr_add+0x30e/0xa40
[ 3811.666980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.666980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.666980][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.666980][   T10]      netlink_unicast+0x449/0x710
[ 3811.666980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.666980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.666980][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.666980][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.666980][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.666980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.666980][   T10] 
[ 3811.669212][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.669212][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.669212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.669212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.669212][   T10]      ip6_route_add+0x1c/0x140
[ 3811.669212][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3811.669212][   T10]      addrconf_add_dev+0xe2/0x170
[ 3811.669212][   T10]      inet6_addr_add+0x12f/0xa40
[ 3811.669212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.669212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.669212][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.669212][   T10]      netlink_unicast+0x449/0x710
[ 3811.669212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.669212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.669212][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.669212][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.669212][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.669212][   T10] 
[ 3811.671487][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.671487][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3811.671487][   T10]      ipv6_find_idev+0x102/0x170
[ 3811.671487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3811.671487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.671487][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.671487][   T10]      netlink_unicast+0x449/0x710
[ 3811.671487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.671487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.671487][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.671487][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.671487][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.671487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.671487][   T10] 
[ 3811.673392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3811.673392][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3811.673392][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3811.673392][   T10]      ipv6_find_idev+0x102/0x170
[ 3811.673392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3811.673392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.673392][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.673392][   T10]      netlink_unicast+0x449/0x710
[ 3811.673392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.673392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.673392][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.673392][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.673392][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.673392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.673392][   T10] 
[ 3811.675461][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3811.675739][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3811.675739][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.675739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.675739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.675739][   T10]      ip6_route_add+0x1c/0x140
[ 3811.675739][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3811.675739][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3811.675739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.675739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.675739][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.675739][   T10]      netlink_unicast+0x449/0x710
[ 3811.675739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.675739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.675739][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.675739][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.675739][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.675739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.675739][   T10] 
[ 3811.678159][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3811.678159][   T10]      netdev_get_by_index+0x5e/0x80
[ 3811.678159][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3811.678159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3811.678159][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3811.678159][   T10]      ipv6_add_addr+0x411/0x2000
[ 3811.678159][   T10]      inet6_addr_add+0x30e/0xa40
[ 3811.678159][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3811.678159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.678159][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.678159][   T10]      netlink_unicast+0x449/0x710
[ 3811.678159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.678159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.678159][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.678159][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.678159][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.678159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.678159][   T10] 
[ 3811.680587][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3811.680587][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3811.680587][   T10]      ipv6_find_idev+0x102/0x170
[ 3811.680587][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3811.680587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.680587][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.680587][   T10]      netlink_unicast+0x449/0x710
[ 3811.680587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.680587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.680587][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.680587][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.680587][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.680587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.680587][   T10] 
[ 3811.682408][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3811.682408][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3811.682408][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3811.682408][   T10]      ipv6_find_idev+0x102/0x170
[ 3811.682408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3811.682408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3811.682408][   T10]      netlink_rcv_skb+0x130/0x360
[ 3811.682408][   T10]      netlink_unicast+0x449/0x710
[ 3811.682408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3811.682408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3811.682408][   T10]      ___sys_sendmsg+0xee/0x170
[ 3811.682408][   T10]      __sys_sendmsg+0xcd/0x170
[ 3811.682408][   T10]      do_syscall_64+0xc6/0x1e0
[ 3811.682408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3811.682408][   T10] 
[ 3821.920702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3821.921239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.921239][   T10]      dst_init+0x84/0x4a0
[ 3821.921239][   T10]      dst_alloc+0x97/0x150
[ 3821.921239][   T10]      ip6_dst_alloc+0x23/0x90
[ 3821.921239][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3821.921239][   T10]      ip6_pol_route+0x56f/0x840
[ 3821.921239][   T10]      fib6_rule_lookup+0x456/0x630
[ 3821.921239][   T10]      ip6_route_input+0x59c/0xa50
[ 3821.921239][   T10]      ipv6_rcv+0x397/0x810
[ 3821.921239][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3821.921239][   T10]      process_backlog+0x101/0x620
[ 3821.921239][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3821.921239][   T10]      net_rx_action+0x495/0xbe0
[ 3821.921239][   T10]      __do_softirq+0x1b5/0x7f6
[ 3821.921239][   T10] 
[ 3821.923095][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.923095][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3821.923095][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3821.923095][   T10]      fib6_nh_init+0xa22/0x1580
[ 3821.923095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.923095][   T10]      ip6_route_add+0x1c/0x140
[ 3821.923095][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3821.923095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.923095][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.923095][   T10]      netlink_unicast+0x449/0x710
[ 3821.923095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.923095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.923095][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.923095][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.923095][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.923095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.923095][   T10] 
[ 3821.925182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.925182][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.925182][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.925182][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.925182][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3821.925182][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3821.925182][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3821.925182][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3821.925182][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3821.925182][   T10]      addrconf_dad_begin+0x310/0x670
[ 3821.925182][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3821.925182][   T10]      process_one_work+0x84d/0x18a0
[ 3821.925182][   T10]      worker_thread+0x587/0xd30
[ 3821.925182][   T10]      kthread+0x28a/0x350
[ 3821.925182][   T10]      ret_from_fork+0x31/0x70
[ 3821.925182][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3821.925182][   T10] 
[ 3821.927304][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.927304][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.927304][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.927304][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.927304][   T10]      ip6_route_add+0x1c/0x140
[ 3821.927304][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3821.927304][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3821.927304][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.927304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.927304][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.927304][   T10]      netlink_unicast+0x449/0x710
[ 3821.927304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.927304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.927304][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.927304][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.927304][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.927304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.927304][   T10] 
[ 3821.929558][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.929558][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.929558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.929558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.929558][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3821.929558][   T10]      ipv6_add_addr+0x411/0x2000
[ 3821.929558][   T10]      inet6_addr_add+0x30e/0xa40
[ 3821.929558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.929558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.929558][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.929558][   T10]      netlink_unicast+0x449/0x710
[ 3821.929558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.929558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.929558][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.929558][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.929558][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.929558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.929558][   T10] 
[ 3821.931800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.931800][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.931800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.931800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.931800][   T10]      ip6_route_add+0x1c/0x140
[ 3821.931800][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3821.931800][   T10]      addrconf_add_dev+0xe2/0x170
[ 3821.931800][   T10]      inet6_addr_add+0x12f/0xa40
[ 3821.931800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.931800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.931800][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.931800][   T10]      netlink_unicast+0x449/0x710
[ 3821.931800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.931800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.931800][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.931800][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.931800][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.931800][   T10] 
[ 3821.934017][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.934017][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3821.934017][   T10]      ipv6_find_idev+0x102/0x170
[ 3821.934017][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.934017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.934017][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.934017][   T10]      netlink_unicast+0x449/0x710
[ 3821.934017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.934017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.934017][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.934017][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.934017][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.934017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.934017][   T10] 
[ 3821.935745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3821.935745][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3821.935745][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3821.935745][   T10]      ipv6_find_idev+0x102/0x170
[ 3821.935745][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.935745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.935745][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.935745][   T10]      netlink_unicast+0x449/0x710
[ 3821.935745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.935745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.935745][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.935745][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.935745][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.935745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.935745][   T10] 
[ 3821.937652][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3821.937929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.937929][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3821.937929][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3821.937929][   T10]      fib6_nh_init+0xa22/0x1580
[ 3821.937929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.937929][   T10]      ip6_route_add+0x1c/0x140
[ 3821.937929][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3821.937929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.937929][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.937929][   T10]      netlink_unicast+0x449/0x710
[ 3821.937929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.937929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.937929][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.937929][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.937929][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.937929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.937929][   T10] 
[ 3821.940034][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.940034][   T10]      dst_init+0x84/0x4a0
[ 3821.940034][   T10]      dst_alloc+0x97/0x150
[ 3821.940034][   T10]      ip6_dst_alloc+0x23/0x90
[ 3821.940034][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3821.940034][   T10]      ip6_pol_route+0x56f/0x840
[ 3821.940034][   T10]      fib6_rule_lookup+0x456/0x630
[ 3821.940034][   T10]      ip6_route_input+0x59c/0xa50
[ 3821.940034][   T10]      ipv6_rcv+0x397/0x810
[ 3821.940034][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3821.940034][   T10]      process_backlog+0x101/0x620
[ 3821.940034][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3821.940034][   T10]      net_rx_action+0x495/0xbe0
[ 3821.940034][   T10]      __do_softirq+0x1b5/0x7f6
[ 3821.940034][   T10] 
[ 3821.941864][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.941864][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.941864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.941864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.941864][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3821.941864][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3821.941864][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3821.941864][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3821.941864][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3821.941864][   T10]      addrconf_dad_begin+0x310/0x670
[ 3821.941864][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3821.941864][   T10]      process_one_work+0x84d/0x18a0
[ 3821.941864][   T10]      worker_thread+0x587/0xd30
[ 3821.941864][   T10]      kthread+0x28a/0x350
[ 3821.941864][   T10]      ret_from_fork+0x31/0x70
[ 3821.941864][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3821.941864][   T10] 
[ 3821.944008][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.944008][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.944008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.944008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.944008][   T10]      ip6_route_add+0x1c/0x140
[ 3821.944008][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3821.944008][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3821.944008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.944008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.944008][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.944008][   T10]      netlink_unicast+0x449/0x710
[ 3821.944008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.944008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.944008][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.944008][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.944008][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.944008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.944008][   T10] 
[ 3821.946253][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.946253][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.946253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.946253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.946253][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3821.946253][   T10]      ipv6_add_addr+0x411/0x2000
[ 3821.946253][   T10]      inet6_addr_add+0x30e/0xa40
[ 3821.946253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.946253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.946253][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.946253][   T10]      netlink_unicast+0x449/0x710
[ 3821.946253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.946253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.946253][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.946253][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.946253][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.946253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.946253][   T10] 
[ 3821.948514][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.948514][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.948514][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.948514][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.948514][   T10]      ip6_route_add+0x1c/0x140
[ 3821.948514][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3821.948514][   T10]      addrconf_add_dev+0xe2/0x170
[ 3821.948514][   T10]      inet6_addr_add+0x12f/0xa40
[ 3821.948514][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.948514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.948514][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.948514][   T10]      netlink_unicast+0x449/0x710
[ 3821.948514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.948514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.948514][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.948514][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.948514][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.948514][   T10] 
[ 3821.950840][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.950840][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3821.950840][   T10]      ipv6_find_idev+0x102/0x170
[ 3821.950840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.950840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.950840][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.950840][   T10]      netlink_unicast+0x449/0x710
[ 3821.950840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.950840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.950840][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.950840][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.950840][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.950840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.950840][   T10] 
[ 3821.952737][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3821.952737][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3821.952737][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3821.952737][   T10]      ipv6_find_idev+0x102/0x170
[ 3821.952737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.952737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.952737][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.952737][   T10]      netlink_unicast+0x449/0x710
[ 3821.952737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.952737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.952737][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.952737][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.952737][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.952737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.952737][   T10] 
[ 3821.954899][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3821.955248][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3821.955248][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.955248][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.955248][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.955248][   T10]      ip6_route_add+0x1c/0x140
[ 3821.955248][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3821.955248][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3821.955248][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.955248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.955248][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.955248][   T10]      netlink_unicast+0x449/0x710
[ 3821.955248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.955248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.955248][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.955248][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.955248][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.955248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.955248][   T10] 
[ 3821.957657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3821.957657][   T10]      netdev_get_by_index+0x5e/0x80
[ 3821.957657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3821.957657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3821.957657][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3821.957657][   T10]      ipv6_add_addr+0x411/0x2000
[ 3821.957657][   T10]      inet6_addr_add+0x30e/0xa40
[ 3821.957657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3821.957657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.957657][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.957657][   T10]      netlink_unicast+0x449/0x710
[ 3821.957657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.957657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.957657][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.957657][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.957657][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.957657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.957657][   T10] 
[ 3821.960044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3821.960044][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3821.960044][   T10]      ipv6_find_idev+0x102/0x170
[ 3821.960044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.960044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.960044][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.960044][   T10]      netlink_unicast+0x449/0x710
[ 3821.960044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.960044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.960044][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.960044][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.960044][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.960044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.960044][   T10] 
[ 3821.961946][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3821.961946][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3821.961946][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3821.961946][   T10]      ipv6_find_idev+0x102/0x170
[ 3821.961946][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3821.961946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3821.961946][   T10]      netlink_rcv_skb+0x130/0x360
[ 3821.961946][   T10]      netlink_unicast+0x449/0x710
[ 3821.961946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3821.961946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3821.961946][   T10]      ___sys_sendmsg+0xee/0x170
[ 3821.961946][   T10]      __sys_sendmsg+0xcd/0x170
[ 3821.961946][   T10]      do_syscall_64+0xc6/0x1e0
[ 3821.961946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3821.961946][   T10] 
[ 3832.200816][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3832.201345][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.201345][   T10]      dst_init+0x84/0x4a0
[ 3832.201345][   T10]      dst_alloc+0x97/0x150
[ 3832.201345][   T10]      ip6_dst_alloc+0x23/0x90
[ 3832.201345][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3832.201345][   T10]      ip6_pol_route+0x56f/0x840
[ 3832.201345][   T10]      fib6_rule_lookup+0x456/0x630
[ 3832.201345][   T10]      ip6_route_input+0x59c/0xa50
[ 3832.201345][   T10]      ipv6_rcv+0x397/0x810
[ 3832.201345][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3832.201345][   T10]      process_backlog+0x101/0x620
[ 3832.201345][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3832.201345][   T10]      net_rx_action+0x495/0xbe0
[ 3832.201345][   T10]      __do_softirq+0x1b5/0x7f6
[ 3832.201345][   T10] 
[ 3832.203261][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.203261][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3832.203261][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3832.203261][   T10]      fib6_nh_init+0xa22/0x1580
[ 3832.203261][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.203261][   T10]      ip6_route_add+0x1c/0x140
[ 3832.203261][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3832.203261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.203261][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.203261][   T10]      netlink_unicast+0x449/0x710
[ 3832.203261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.203261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.203261][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.203261][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.203261][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.203261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.203261][   T10] 
[ 3832.205324][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.205324][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.205324][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.205324][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.205324][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3832.205324][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3832.205324][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3832.205324][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3832.205324][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3832.205324][   T10]      addrconf_dad_begin+0x310/0x670
[ 3832.205324][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3832.205324][   T10]      process_one_work+0x84d/0x18a0
[ 3832.205324][   T10]      worker_thread+0x587/0xd30
[ 3832.205324][   T10]      kthread+0x28a/0x350
[ 3832.205324][   T10]      ret_from_fork+0x31/0x70
[ 3832.205324][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3832.205324][   T10] 
[ 3832.207431][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.207431][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.207431][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.207431][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.207431][   T10]      ip6_route_add+0x1c/0x140
[ 3832.207431][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3832.207431][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3832.207431][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.207431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.207431][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.207431][   T10]      netlink_unicast+0x449/0x710
[ 3832.207431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.207431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.207431][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.207431][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.207431][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.207431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.207431][   T10] 
[ 3832.209680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.209680][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.209680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.209680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.209680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3832.209680][   T10]      ipv6_add_addr+0x411/0x2000
[ 3832.209680][   T10]      inet6_addr_add+0x30e/0xa40
[ 3832.209680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.209680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.209680][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.209680][   T10]      netlink_unicast+0x449/0x710
[ 3832.209680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.209680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.209680][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.209680][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.209680][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.209680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.209680][   T10] 
[ 3832.211922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.211922][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.211922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.211922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.211922][   T10]      ip6_route_add+0x1c/0x140
[ 3832.211922][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3832.211922][   T10]      addrconf_add_dev+0xe2/0x170
[ 3832.211922][   T10]      inet6_addr_add+0x12f/0xa40
[ 3832.211922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.211922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.211922][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.211922][   T10]      netlink_unicast+0x449/0x710
[ 3832.211922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.211922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.211922][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.211922][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.211922][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.211922][   T10] 
[ 3832.214123][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.214123][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3832.214123][   T10]      ipv6_find_idev+0x102/0x170
[ 3832.214123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3832.214123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.214123][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.214123][   T10]      netlink_unicast+0x449/0x710
[ 3832.214123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.214123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.214123][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.214123][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.214123][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.214123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.214123][   T10] 
[ 3832.215835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3832.215835][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3832.215835][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3832.215835][   T10]      ipv6_find_idev+0x102/0x170
[ 3832.215835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3832.215835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.215835][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.215835][   T10]      netlink_unicast+0x449/0x710
[ 3832.215835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.215835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.215835][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.215835][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.215835][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.215835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.215835][   T10] 
[ 3832.217757][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3832.218038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.218038][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3832.218038][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3832.218038][   T10]      fib6_nh_init+0xa22/0x1580
[ 3832.218038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.218038][   T10]      ip6_route_add+0x1c/0x140
[ 3832.218038][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3832.218038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.218038][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.218038][   T10]      netlink_unicast+0x449/0x710
[ 3832.218038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.218038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.218038][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.218038][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.218038][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.218038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.218038][   T10] 
[ 3832.220145][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.220145][   T10]      dst_init+0x84/0x4a0
[ 3832.220145][   T10]      dst_alloc+0x97/0x150
[ 3832.220145][   T10]      ip6_dst_alloc+0x23/0x90
[ 3832.220145][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3832.220145][   T10]      ip6_pol_route+0x56f/0x840
[ 3832.220145][   T10]      fib6_rule_lookup+0x456/0x630
[ 3832.220145][   T10]      ip6_route_input+0x59c/0xa50
[ 3832.220145][   T10]      ipv6_rcv+0x397/0x810
[ 3832.220145][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3832.220145][   T10]      process_backlog+0x101/0x620
[ 3832.220145][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3832.220145][   T10]      net_rx_action+0x495/0xbe0
[ 3832.220145][   T10]      __do_softirq+0x1b5/0x7f6
[ 3832.220145][   T10] 
[ 3832.221989][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.221989][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.221989][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.221989][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.221989][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3832.221989][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3832.221989][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3832.221989][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3832.221989][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3832.221989][   T10]      addrconf_dad_begin+0x310/0x670
[ 3832.221989][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3832.221989][   T10]      process_one_work+0x84d/0x18a0
[ 3832.221989][   T10]      worker_thread+0x587/0xd30
[ 3832.221989][   T10]      kthread+0x28a/0x350
[ 3832.221989][   T10]      ret_from_fork+0x31/0x70
[ 3832.221989][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3832.221989][   T10] 
[ 3832.224104][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.224104][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.224104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.224104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.224104][   T10]      ip6_route_add+0x1c/0x140
[ 3832.224104][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3832.224104][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3832.224104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.224104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.224104][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.224104][   T10]      netlink_unicast+0x449/0x710
[ 3832.224104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.224104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.224104][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.224104][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.224104][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.224104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.224104][   T10] 
[ 3832.226312][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.226312][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.226312][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.226312][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.226312][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3832.226312][   T10]      ipv6_add_addr+0x411/0x2000
[ 3832.226312][   T10]      inet6_addr_add+0x30e/0xa40
[ 3832.226312][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.226312][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.226312][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.226312][   T10]      netlink_unicast+0x449/0x710
[ 3832.226312][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.226312][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.226312][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.226312][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.226312][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.226312][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.226312][   T10] 
[ 3832.228535][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.228535][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.228535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.228535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.228535][   T10]      ip6_route_add+0x1c/0x140
[ 3832.228535][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3832.228535][   T10]      addrconf_add_dev+0xe2/0x170
[ 3832.228535][   T10]      inet6_addr_add+0x12f/0xa40
[ 3832.228535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.228535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.228535][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.228535][   T10]      netlink_unicast+0x449/0x710
[ 3832.228535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.228535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.228535][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.228535][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.228535][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.228535][   T10] 
[ 3832.230850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.230850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3832.230850][   T10]      ipv6_find_idev+0x102/0x170
[ 3832.230850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3832.230850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.230850][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.230850][   T10]      netlink_unicast+0x449/0x710
[ 3832.230850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.230850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.230850][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.230850][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.230850][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.230850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.230850][   T10] 
[ 3832.232835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3832.232835][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3832.232835][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3832.232835][   T10]      ipv6_find_idev+0x102/0x170
[ 3832.232835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3832.232835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.232835][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.232835][   T10]      netlink_unicast+0x449/0x710
[ 3832.232835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.232835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.232835][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.232835][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.232835][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.232835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.232835][   T10] 
[ 3832.234915][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3832.235264][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3832.235264][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.235264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.235264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.235264][   T10]      ip6_route_add+0x1c/0x140
[ 3832.235264][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3832.235264][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3832.235264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.235264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.235264][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.235264][   T10]      netlink_unicast+0x449/0x710
[ 3832.235264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.235264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.235264][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.235264][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.235264][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.235264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.235264][   T10] 
[ 3832.238225][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3832.238225][   T10]      netdev_get_by_index+0x5e/0x80
[ 3832.238225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3832.238225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3832.238225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3832.238225][   T10]      ipv6_add_addr+0x411/0x2000
[ 3832.238225][   T10]      inet6_addr_add+0x30e/0xa40
[ 3832.238225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3832.238225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.238225][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.238225][   T10]      netlink_unicast+0x449/0x710
[ 3832.238225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.238225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.238225][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.238225][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.238225][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.238225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.238225][   T10] 
[ 3832.240648][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3832.240648][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3832.240648][   T10]      ipv6_find_idev+0x102/0x170
[ 3832.240648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3832.240648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.240648][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.240648][   T10]      netlink_unicast+0x449/0x710
[ 3832.240648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.240648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.240648][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.240648][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.240648][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.240648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.240648][   T10] 
[ 3832.242556][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3832.242556][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3832.242556][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3832.242556][   T10]      ipv6_find_idev+0x102/0x170
[ 3832.242556][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3832.242556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3832.242556][   T10]      netlink_rcv_skb+0x130/0x360
[ 3832.242556][   T10]      netlink_unicast+0x449/0x710
[ 3832.242556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3832.242556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3832.242556][   T10]      ___sys_sendmsg+0xee/0x170
[ 3832.242556][   T10]      __sys_sendmsg+0xcd/0x170
[ 3832.242556][   T10]      do_syscall_64+0xc6/0x1e0
[ 3832.242556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3832.242556][   T10] 
[ 3842.488653][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3842.489036][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.489036][   T10]      dst_init+0x84/0x4a0
[ 3842.489036][   T10]      dst_alloc+0x97/0x150
[ 3842.489036][   T10]      ip6_dst_alloc+0x23/0x90
[ 3842.489036][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3842.489036][   T10]      ip6_pol_route+0x56f/0x840
[ 3842.489036][   T10]      fib6_rule_lookup+0x456/0x630
[ 3842.489036][   T10]      ip6_route_input+0x59c/0xa50
[ 3842.489036][   T10]      ipv6_rcv+0x397/0x810
[ 3842.489036][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3842.489036][   T10]      process_backlog+0x101/0x620
[ 3842.489036][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3842.489036][   T10]      net_rx_action+0x495/0xbe0
[ 3842.489036][   T10]      __do_softirq+0x1b5/0x7f6
[ 3842.489036][   T10] 
[ 3842.490719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.490719][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3842.490719][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3842.490719][   T10]      fib6_nh_init+0xa22/0x1580
[ 3842.490719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.490719][   T10]      ip6_route_add+0x1c/0x140
[ 3842.490719][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3842.490719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.490719][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.490719][   T10]      netlink_unicast+0x449/0x710
[ 3842.490719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.490719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.490719][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.490719][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.490719][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.490719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.490719][   T10] 
[ 3842.492624][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.492624][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.492624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.492624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.492624][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3842.492624][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3842.492624][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3842.492624][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3842.492624][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3842.492624][   T10]      addrconf_dad_begin+0x310/0x670
[ 3842.492624][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3842.492624][   T10]      process_one_work+0x84d/0x18a0
[ 3842.492624][   T10]      worker_thread+0x587/0xd30
[ 3842.492624][   T10]      kthread+0x28a/0x350
[ 3842.492624][   T10]      ret_from_fork+0x31/0x70
[ 3842.492624][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3842.492624][   T10] 
[ 3842.494520][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.494520][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.494520][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.494520][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.494520][   T10]      ip6_route_add+0x1c/0x140
[ 3842.494520][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3842.494520][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3842.494520][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.494520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.494520][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.494520][   T10]      netlink_unicast+0x449/0x710
[ 3842.494520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.494520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.494520][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.494520][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.494520][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.494520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.494520][   T10] 
[ 3842.496489][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.496489][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.496489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.496489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.496489][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3842.496489][   T10]      ipv6_add_addr+0x411/0x2000
[ 3842.496489][   T10]      inet6_addr_add+0x30e/0xa40
[ 3842.496489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.496489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.496489][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.496489][   T10]      netlink_unicast+0x449/0x710
[ 3842.496489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.496489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.496489][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.496489][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.496489][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.496489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.496489][   T10] 
[ 3842.498496][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.498496][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.498496][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.498496][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.498496][   T10]      ip6_route_add+0x1c/0x140
[ 3842.498496][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3842.498496][   T10]      addrconf_add_dev+0xe2/0x170
[ 3842.498496][   T10]      inet6_addr_add+0x12f/0xa40
[ 3842.498496][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.498496][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.498496][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.498496][   T10]      netlink_unicast+0x449/0x710
[ 3842.498496][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.498496][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.498496][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.498496][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.498496][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.498496][   T10] 
[ 3842.500469][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.500469][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3842.500469][   T10]      ipv6_find_idev+0x102/0x170
[ 3842.500469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3842.500469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.500469][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.500469][   T10]      netlink_unicast+0x449/0x710
[ 3842.500469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.500469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.500469][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.500469][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.500469][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.500469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.500469][   T10] 
[ 3842.501989][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3842.501989][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3842.501989][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3842.501989][   T10]      ipv6_find_idev+0x102/0x170
[ 3842.501989][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3842.501989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.501989][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.501989][   T10]      netlink_unicast+0x449/0x710
[ 3842.501989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.501989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.501989][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.501989][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.501989][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.501989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.501989][   T10] 
[ 3842.503661][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3842.503902][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.503902][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3842.503902][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3842.503902][   T10]      fib6_nh_init+0xa22/0x1580
[ 3842.503902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.503902][   T10]      ip6_route_add+0x1c/0x140
[ 3842.503902][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3842.503902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.503902][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.503902][   T10]      netlink_unicast+0x449/0x710
[ 3842.503902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.503902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.503902][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.503902][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.503902][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.503902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.503902][   T10] 
[ 3842.505787][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.505787][   T10]      dst_init+0x84/0x4a0
[ 3842.505787][   T10]      dst_alloc+0x97/0x150
[ 3842.505787][   T10]      ip6_dst_alloc+0x23/0x90
[ 3842.505787][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3842.505787][   T10]      ip6_pol_route+0x56f/0x840
[ 3842.505787][   T10]      fib6_rule_lookup+0x456/0x630
[ 3842.505787][   T10]      ip6_route_input+0x59c/0xa50
[ 3842.505787][   T10]      ipv6_rcv+0x397/0x810
[ 3842.505787][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3842.505787][   T10]      process_backlog+0x101/0x620
[ 3842.505787][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3842.505787][   T10]      net_rx_action+0x495/0xbe0
[ 3842.505787][   T10]      __do_softirq+0x1b5/0x7f6
[ 3842.505787][   T10] 
[ 3842.507423][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.507423][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.507423][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.507423][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.507423][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3842.507423][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3842.507423][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3842.507423][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3842.507423][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3842.507423][   T10]      addrconf_dad_begin+0x310/0x670
[ 3842.507423][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3842.507423][   T10]      process_one_work+0x84d/0x18a0
[ 3842.507423][   T10]      worker_thread+0x587/0xd30
[ 3842.507423][   T10]      kthread+0x28a/0x350
[ 3842.507423][   T10]      ret_from_fork+0x31/0x70
[ 3842.507423][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3842.507423][   T10] 
[ 3842.509340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.509340][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.509340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.509340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.509340][   T10]      ip6_route_add+0x1c/0x140
[ 3842.509340][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3842.509340][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3842.509340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.509340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.509340][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.509340][   T10]      netlink_unicast+0x449/0x710
[ 3842.509340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.509340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.509340][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.509340][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.509340][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.509340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.509340][   T10] 
[ 3842.511338][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.511338][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.511338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.511338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.511338][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3842.511338][   T10]      ipv6_add_addr+0x411/0x2000
[ 3842.511338][   T10]      inet6_addr_add+0x30e/0xa40
[ 3842.511338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.511338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.511338][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.511338][   T10]      netlink_unicast+0x449/0x710
[ 3842.511338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.511338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.511338][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.511338][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.511338][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.511338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.511338][   T10] 
[ 3842.513339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.513339][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.513339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.513339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.513339][   T10]      ip6_route_add+0x1c/0x140
[ 3842.513339][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3842.513339][   T10]      addrconf_add_dev+0xe2/0x170
[ 3842.513339][   T10]      inet6_addr_add+0x12f/0xa40
[ 3842.513339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.513339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.513339][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.513339][   T10]      netlink_unicast+0x449/0x710
[ 3842.513339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.513339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.513339][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.513339][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.513339][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.513339][   T10] 
[ 3842.515437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.515437][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3842.515437][   T10]      ipv6_find_idev+0x102/0x170
[ 3842.515437][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3842.515437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.515437][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.515437][   T10]      netlink_unicast+0x449/0x710
[ 3842.515437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.515437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.515437][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.515437][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.515437][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.515437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.515437][   T10] 
[ 3842.517159][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3842.517159][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3842.517159][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3842.517159][   T10]      ipv6_find_idev+0x102/0x170
[ 3842.517159][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3842.517159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.517159][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.517159][   T10]      netlink_unicast+0x449/0x710
[ 3842.517159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.517159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.517159][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.517159][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.517159][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.517159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.517159][   T10] 
[ 3842.519086][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3842.519379][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3842.519379][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.519379][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.519379][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.519379][   T10]      ip6_route_add+0x1c/0x140
[ 3842.519379][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3842.519379][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3842.519379][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.519379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.519379][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.519379][   T10]      netlink_unicast+0x449/0x710
[ 3842.519379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.519379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.519379][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.519379][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.519379][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.519379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.519379][   T10] 
[ 3842.521613][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3842.521613][   T10]      netdev_get_by_index+0x5e/0x80
[ 3842.521613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3842.521613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3842.521613][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3842.521613][   T10]      ipv6_add_addr+0x411/0x2000
[ 3842.521613][   T10]      inet6_addr_add+0x30e/0xa40
[ 3842.521613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3842.521613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.521613][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.521613][   T10]      netlink_unicast+0x449/0x710
[ 3842.521613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.521613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.521613][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.521613][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.521613][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.521613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.521613][   T10] 
[ 3842.523798][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3842.523798][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3842.523798][   T10]      ipv6_find_idev+0x102/0x170
[ 3842.523798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3842.523798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.523798][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.523798][   T10]      netlink_unicast+0x449/0x710
[ 3842.523798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.523798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.523798][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.523798][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.523798][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.523798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.523798][   T10] 
[ 3842.525517][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3842.525517][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3842.525517][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3842.525517][   T10]      ipv6_find_idev+0x102/0x170
[ 3842.525517][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3842.525517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3842.525517][   T10]      netlink_rcv_skb+0x130/0x360
[ 3842.525517][   T10]      netlink_unicast+0x449/0x710
[ 3842.525517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3842.525517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3842.525517][   T10]      ___sys_sendmsg+0xee/0x170
[ 3842.525517][   T10]      __sys_sendmsg+0xcd/0x170
[ 3842.525517][   T10]      do_syscall_64+0xc6/0x1e0
[ 3842.525517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3842.525517][   T10] 
[ 3852.600785][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3852.601397][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.601397][   T10]      dst_init+0x84/0x4a0
[ 3852.601397][   T10]      dst_alloc+0x97/0x150
[ 3852.601397][   T10]      ip6_dst_alloc+0x23/0x90
[ 3852.601397][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3852.601397][   T10]      ip6_pol_route+0x56f/0x840
[ 3852.601397][   T10]      fib6_rule_lookup+0x456/0x630
[ 3852.601397][   T10]      ip6_route_input+0x59c/0xa50
[ 3852.601397][   T10]      ipv6_rcv+0x397/0x810
[ 3852.601397][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3852.601397][   T10]      process_backlog+0x101/0x620
[ 3852.601397][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3852.601397][   T10]      net_rx_action+0x495/0xbe0
[ 3852.601397][   T10]      __do_softirq+0x1b5/0x7f6
[ 3852.601397][   T10] 
[ 3852.603062][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.603062][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3852.603062][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3852.603062][   T10]      fib6_nh_init+0xa22/0x1580
[ 3852.603062][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.603062][   T10]      ip6_route_add+0x1c/0x140
[ 3852.603062][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3852.603062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.603062][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.603062][   T10]      netlink_unicast+0x449/0x710
[ 3852.603062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.603062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.603062][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.603062][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.603062][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.603062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.603062][   T10] 
[ 3852.604983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.604983][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.604983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.604983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.604983][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3852.604983][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3852.604983][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3852.604983][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3852.604983][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3852.604983][   T10]      addrconf_dad_begin+0x310/0x670
[ 3852.604983][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3852.604983][   T10]      process_one_work+0x84d/0x18a0
[ 3852.604983][   T10]      worker_thread+0x587/0xd30
[ 3852.604983][   T10]      kthread+0x28a/0x350
[ 3852.604983][   T10]      ret_from_fork+0x31/0x70
[ 3852.604983][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3852.604983][   T10] 
[ 3852.606894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.606894][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.606894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.606894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.606894][   T10]      ip6_route_add+0x1c/0x140
[ 3852.606894][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3852.606894][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3852.606894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.606894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.606894][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.606894][   T10]      netlink_unicast+0x449/0x710
[ 3852.606894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.606894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.606894][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.606894][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.606894][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.606894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.606894][   T10] 
[ 3852.608924][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.608924][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.608924][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.608924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.608924][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3852.608924][   T10]      ipv6_add_addr+0x411/0x2000
[ 3852.608924][   T10]      inet6_addr_add+0x30e/0xa40
[ 3852.608924][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.608924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.608924][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.608924][   T10]      netlink_unicast+0x449/0x710
[ 3852.608924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.608924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.608924][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.608924][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.608924][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.608924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.608924][   T10] 
[ 3852.610895][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.610895][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.610895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.610895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.610895][   T10]      ip6_route_add+0x1c/0x140
[ 3852.610895][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3852.610895][   T10]      addrconf_add_dev+0xe2/0x170
[ 3852.610895][   T10]      inet6_addr_add+0x12f/0xa40
[ 3852.610895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.610895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.610895][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.610895][   T10]      netlink_unicast+0x449/0x710
[ 3852.610895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.610895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.610895][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.610895][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.610895][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.610895][   T10] 
[ 3852.612810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.612810][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3852.612810][   T10]      ipv6_find_idev+0x102/0x170
[ 3852.612810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3852.612810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.612810][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.612810][   T10]      netlink_unicast+0x449/0x710
[ 3852.612810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.612810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.612810][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.612810][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.612810][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.612810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.612810][   T10] 
[ 3852.614321][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3852.614321][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3852.614321][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3852.614321][   T10]      ipv6_find_idev+0x102/0x170
[ 3852.614321][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3852.614321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.614321][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.614321][   T10]      netlink_unicast+0x449/0x710
[ 3852.614321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.614321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.614321][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.614321][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.614321][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.614321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.614321][   T10] 
[ 3852.615968][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3852.616201][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.616201][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3852.616201][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3852.616201][   T10]      fib6_nh_init+0xa22/0x1580
[ 3852.616201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.616201][   T10]      ip6_route_add+0x1c/0x140
[ 3852.616201][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3852.616201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.616201][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.616201][   T10]      netlink_unicast+0x449/0x710
[ 3852.616201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.616201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.616201][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.616201][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.616201][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.616201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.616201][   T10] 
[ 3852.618107][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.618107][   T10]      dst_init+0x84/0x4a0
[ 3852.618107][   T10]      dst_alloc+0x97/0x150
[ 3852.618107][   T10]      ip6_dst_alloc+0x23/0x90
[ 3852.618107][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3852.618107][   T10]      ip6_pol_route+0x56f/0x840
[ 3852.618107][   T10]      fib6_rule_lookup+0x456/0x630
[ 3852.618107][   T10]      ip6_route_input+0x59c/0xa50
[ 3852.618107][   T10]      ipv6_rcv+0x397/0x810
[ 3852.618107][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3852.618107][   T10]      process_backlog+0x101/0x620
[ 3852.618107][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3852.618107][   T10]      net_rx_action+0x495/0xbe0
[ 3852.618107][   T10]      __do_softirq+0x1b5/0x7f6
[ 3852.618107][   T10] 
[ 3852.619735][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.619735][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.619735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.619735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.619735][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3852.619735][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3852.619735][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3852.619735][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3852.619735][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3852.619735][   T10]      addrconf_dad_begin+0x310/0x670
[ 3852.619735][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3852.619735][   T10]      process_one_work+0x84d/0x18a0
[ 3852.619735][   T10]      worker_thread+0x587/0xd30
[ 3852.619735][   T10]      kthread+0x28a/0x350
[ 3852.619735][   T10]      ret_from_fork+0x31/0x70
[ 3852.619735][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3852.619735][   T10] 
[ 3852.621636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.621636][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.621636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.621636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.621636][   T10]      ip6_route_add+0x1c/0x140
[ 3852.621636][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3852.621636][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3852.621636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.621636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.621636][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.621636][   T10]      netlink_unicast+0x449/0x710
[ 3852.621636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.621636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.621636][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.621636][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.621636][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.621636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.621636][   T10] 
[ 3852.623625][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.623625][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.623625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.623625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.623625][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3852.623625][   T10]      ipv6_add_addr+0x411/0x2000
[ 3852.623625][   T10]      inet6_addr_add+0x30e/0xa40
[ 3852.623625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.623625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.623625][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.623625][   T10]      netlink_unicast+0x449/0x710
[ 3852.623625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.623625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.623625][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.623625][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.623625][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.623625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.623625][   T10] 
[ 3852.625600][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.625600][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.625600][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.625600][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.625600][   T10]      ip6_route_add+0x1c/0x140
[ 3852.625600][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3852.625600][   T10]      addrconf_add_dev+0xe2/0x170
[ 3852.625600][   T10]      inet6_addr_add+0x12f/0xa40
[ 3852.625600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.625600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.625600][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.625600][   T10]      netlink_unicast+0x449/0x710
[ 3852.625600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.625600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.625600][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.625600][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.625600][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.625600][   T10] 
[ 3852.627695][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.627695][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3852.627695][   T10]      ipv6_find_idev+0x102/0x170
[ 3852.627695][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3852.627695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.627695][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.627695][   T10]      netlink_unicast+0x449/0x710
[ 3852.627695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.627695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.627695][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.627695][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.627695][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.627695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.627695][   T10] 
[ 3852.629482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3852.629482][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3852.629482][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3852.629482][   T10]      ipv6_find_idev+0x102/0x170
[ 3852.629482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3852.629482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.629482][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.629482][   T10]      netlink_unicast+0x449/0x710
[ 3852.629482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.629482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.629482][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.629482][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.629482][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.629482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.629482][   T10] 
[ 3852.631874][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3852.632173][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3852.632173][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.632173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.632173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.632173][   T10]      ip6_route_add+0x1c/0x140
[ 3852.632173][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3852.632173][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3852.632173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.632173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.632173][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.632173][   T10]      netlink_unicast+0x449/0x710
[ 3852.632173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.632173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.632173][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.632173][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.632173][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.632173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.632173][   T10] 
[ 3852.634433][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3852.634433][   T10]      netdev_get_by_index+0x5e/0x80
[ 3852.634433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3852.634433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3852.634433][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3852.634433][   T10]      ipv6_add_addr+0x411/0x2000
[ 3852.634433][   T10]      inet6_addr_add+0x30e/0xa40
[ 3852.634433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3852.634433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.634433][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.634433][   T10]      netlink_unicast+0x449/0x710
[ 3852.634433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.634433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.634433][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.634433][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.634433][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.634433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.634433][   T10] 
[ 3852.636546][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3852.636546][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3852.636546][   T10]      ipv6_find_idev+0x102/0x170
[ 3852.636546][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3852.636546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.636546][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.636546][   T10]      netlink_unicast+0x449/0x710
[ 3852.636546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.636546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.636546][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.636546][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.636546][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.636546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.636546][   T10] 
[ 3852.638262][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3852.638262][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3852.638262][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3852.638262][   T10]      ipv6_find_idev+0x102/0x170
[ 3852.638262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3852.638262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3852.638262][   T10]      netlink_rcv_skb+0x130/0x360
[ 3852.638262][   T10]      netlink_unicast+0x449/0x710
[ 3852.638262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3852.638262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3852.638262][   T10]      ___sys_sendmsg+0xee/0x170
[ 3852.638262][   T10]      __sys_sendmsg+0xcd/0x170
[ 3852.638262][   T10]      do_syscall_64+0xc6/0x1e0
[ 3852.638262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3852.638262][   T10] 
[ 3862.880762][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3862.881570][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.881570][   T10]      dst_init+0x84/0x4a0
[ 3862.881570][   T10]      dst_alloc+0x97/0x150
[ 3862.881570][   T10]      ip6_dst_alloc+0x23/0x90
[ 3862.881570][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3862.881570][   T10]      ip6_pol_route+0x56f/0x840
[ 3862.881570][   T10]      fib6_rule_lookup+0x456/0x630
[ 3862.881570][   T10]      ip6_route_input+0x59c/0xa50
[ 3862.881570][   T10]      ipv6_rcv+0x397/0x810
[ 3862.881570][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3862.881570][   T10]      process_backlog+0x101/0x620
[ 3862.881570][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3862.881570][   T10]      net_rx_action+0x495/0xbe0
[ 3862.881570][   T10]      __do_softirq+0x1b5/0x7f6
[ 3862.881570][   T10] 
[ 3862.883198][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.883198][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3862.883198][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3862.883198][   T10]      fib6_nh_init+0xa22/0x1580
[ 3862.883198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.883198][   T10]      ip6_route_add+0x1c/0x140
[ 3862.883198][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3862.883198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.883198][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.883198][   T10]      netlink_unicast+0x449/0x710
[ 3862.883198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.883198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.883198][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.883198][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.883198][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.883198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.883198][   T10] 
[ 3862.885041][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.885041][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.885041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.885041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.885041][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3862.885041][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3862.885041][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3862.885041][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3862.885041][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3862.885041][   T10]      addrconf_dad_begin+0x310/0x670
[ 3862.885041][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3862.885041][   T10]      process_one_work+0x84d/0x18a0
[ 3862.885041][   T10]      worker_thread+0x587/0xd30
[ 3862.885041][   T10]      kthread+0x28a/0x350
[ 3862.885041][   T10]      ret_from_fork+0x31/0x70
[ 3862.885041][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3862.885041][   T10] 
[ 3862.886982][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.886982][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.886982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.886982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.886982][   T10]      ip6_route_add+0x1c/0x140
[ 3862.886982][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3862.886982][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3862.886982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.886982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.886982][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.886982][   T10]      netlink_unicast+0x449/0x710
[ 3862.886982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.886982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.886982][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.886982][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.886982][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.886982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.886982][   T10] 
[ 3862.889042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.889042][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.889042][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.889042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.889042][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3862.889042][   T10]      ipv6_add_addr+0x411/0x2000
[ 3862.889042][   T10]      inet6_addr_add+0x30e/0xa40
[ 3862.889042][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.889042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.889042][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.889042][   T10]      netlink_unicast+0x449/0x710
[ 3862.889042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.889042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.889042][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.889042][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.889042][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.889042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.889042][   T10] 
[ 3862.891020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.891020][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.891020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.891020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.891020][   T10]      ip6_route_add+0x1c/0x140
[ 3862.891020][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3862.891020][   T10]      addrconf_add_dev+0xe2/0x170
[ 3862.891020][   T10]      inet6_addr_add+0x12f/0xa40
[ 3862.891020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.891020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.891020][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.891020][   T10]      netlink_unicast+0x449/0x710
[ 3862.891020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.891020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.891020][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.891020][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.891020][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.891020][   T10] 
[ 3862.893012][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.893012][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3862.893012][   T10]      ipv6_find_idev+0x102/0x170
[ 3862.893012][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.893012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.893012][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.893012][   T10]      netlink_unicast+0x449/0x710
[ 3862.893012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.893012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.893012][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.893012][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.893012][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.893012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.893012][   T10] 
[ 3862.894546][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3862.894546][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3862.894546][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3862.894546][   T10]      ipv6_find_idev+0x102/0x170
[ 3862.894546][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.894546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.894546][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.894546][   T10]      netlink_unicast+0x449/0x710
[ 3862.894546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.894546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.894546][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.894546][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.894546][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.894546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.894546][   T10] 
[ 3862.896253][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3862.896496][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.896496][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3862.896496][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3862.896496][   T10]      fib6_nh_init+0xa22/0x1580
[ 3862.896496][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.896496][   T10]      ip6_route_add+0x1c/0x140
[ 3862.896496][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3862.896496][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.896496][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.896496][   T10]      netlink_unicast+0x449/0x710
[ 3862.896496][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.896496][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.896496][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.896496][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.896496][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.896496][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.896496][   T10] 
[ 3862.898392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.898392][   T10]      dst_init+0x84/0x4a0
[ 3862.898392][   T10]      dst_alloc+0x97/0x150
[ 3862.898392][   T10]      ip6_dst_alloc+0x23/0x90
[ 3862.898392][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3862.898392][   T10]      ip6_pol_route+0x56f/0x840
[ 3862.898392][   T10]      fib6_rule_lookup+0x456/0x630
[ 3862.898392][   T10]      ip6_route_input+0x59c/0xa50
[ 3862.898392][   T10]      ipv6_rcv+0x397/0x810
[ 3862.898392][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3862.898392][   T10]      process_backlog+0x101/0x620
[ 3862.898392][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3862.898392][   T10]      net_rx_action+0x495/0xbe0
[ 3862.898392][   T10]      __do_softirq+0x1b5/0x7f6
[ 3862.898392][   T10] 
[ 3862.900067][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.900067][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.900067][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.900067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.900067][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3862.900067][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3862.900067][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3862.900067][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3862.900067][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3862.900067][   T10]      addrconf_dad_begin+0x310/0x670
[ 3862.900067][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3862.900067][   T10]      process_one_work+0x84d/0x18a0
[ 3862.900067][   T10]      worker_thread+0x587/0xd30
[ 3862.900067][   T10]      kthread+0x28a/0x350
[ 3862.900067][   T10]      ret_from_fork+0x31/0x70
[ 3862.900067][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3862.900067][   T10] 
[ 3862.902016][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.902016][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.902016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.902016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.902016][   T10]      ip6_route_add+0x1c/0x140
[ 3862.902016][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3862.902016][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3862.902016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.902016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.902016][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.902016][   T10]      netlink_unicast+0x449/0x710
[ 3862.902016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.902016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.902016][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.902016][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.902016][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.902016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.902016][   T10] 
[ 3862.904047][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.904047][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.904047][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.904047][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.904047][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3862.904047][   T10]      ipv6_add_addr+0x411/0x2000
[ 3862.904047][   T10]      inet6_addr_add+0x30e/0xa40
[ 3862.904047][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.904047][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.904047][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.904047][   T10]      netlink_unicast+0x449/0x710
[ 3862.904047][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.904047][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.904047][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.904047][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.904047][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.904047][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.904047][   T10] 
[ 3862.906055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.906055][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.906055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.906055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.906055][   T10]      ip6_route_add+0x1c/0x140
[ 3862.906055][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3862.906055][   T10]      addrconf_add_dev+0xe2/0x170
[ 3862.906055][   T10]      inet6_addr_add+0x12f/0xa40
[ 3862.906055][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.906055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.906055][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.906055][   T10]      netlink_unicast+0x449/0x710
[ 3862.906055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.906055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.906055][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.906055][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.906055][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.906055][   T10] 
[ 3862.908163][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.908163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3862.908163][   T10]      ipv6_find_idev+0x102/0x170
[ 3862.908163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.908163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.908163][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.908163][   T10]      netlink_unicast+0x449/0x710
[ 3862.908163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.908163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.908163][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.908163][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.908163][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.908163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.908163][   T10] 
[ 3862.909896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3862.909896][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3862.909896][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3862.909896][   T10]      ipv6_find_idev+0x102/0x170
[ 3862.909896][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.909896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.909896][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.909896][   T10]      netlink_unicast+0x449/0x710
[ 3862.909896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.909896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.909896][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.909896][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.909896][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.909896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.909896][   T10] 
[ 3862.911796][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3862.912085][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3862.912085][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.912085][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.912085][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.912085][   T10]      ip6_route_add+0x1c/0x140
[ 3862.912085][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3862.912085][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3862.912085][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.912085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.912085][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.912085][   T10]      netlink_unicast+0x449/0x710
[ 3862.912085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.912085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.912085][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.912085][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.912085][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.912085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.912085][   T10] 
[ 3862.914347][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3862.914347][   T10]      netdev_get_by_index+0x5e/0x80
[ 3862.914347][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3862.914347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3862.914347][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3862.914347][   T10]      ipv6_add_addr+0x411/0x2000
[ 3862.914347][   T10]      inet6_addr_add+0x30e/0xa40
[ 3862.914347][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3862.914347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.914347][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.914347][   T10]      netlink_unicast+0x449/0x710
[ 3862.914347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.914347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.914347][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.914347][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.914347][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.914347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.914347][   T10] 
[ 3862.916449][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3862.916449][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3862.916449][   T10]      ipv6_find_idev+0x102/0x170
[ 3862.916449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.916449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.916449][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.916449][   T10]      netlink_unicast+0x449/0x710
[ 3862.916449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.916449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.916449][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.916449][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.916449][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.916449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.916449][   T10] 
[ 3862.918177][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3862.918177][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3862.918177][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3862.918177][   T10]      ipv6_find_idev+0x102/0x170
[ 3862.918177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3862.918177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3862.918177][   T10]      netlink_rcv_skb+0x130/0x360
[ 3862.918177][   T10]      netlink_unicast+0x449/0x710
[ 3862.918177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3862.918177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3862.918177][   T10]      ___sys_sendmsg+0xee/0x170
[ 3862.918177][   T10]      __sys_sendmsg+0xcd/0x170
[ 3862.918177][   T10]      do_syscall_64+0xc6/0x1e0
[ 3862.918177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3862.918177][   T10] 
[ 3873.162141][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3873.162585][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.162585][   T10]      dst_init+0x84/0x4a0
[ 3873.162585][   T10]      dst_alloc+0x97/0x150
[ 3873.162585][   T10]      ip6_dst_alloc+0x23/0x90
[ 3873.162585][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3873.162585][   T10]      ip6_pol_route+0x56f/0x840
[ 3873.162585][   T10]      fib6_rule_lookup+0x456/0x630
[ 3873.162585][   T10]      ip6_route_input+0x59c/0xa50
[ 3873.162585][   T10]      ipv6_rcv+0x397/0x810
[ 3873.162585][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3873.162585][   T10]      process_backlog+0x101/0x620
[ 3873.162585][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3873.162585][   T10]      net_rx_action+0x495/0xbe0
[ 3873.162585][   T10]      __do_softirq+0x1b5/0x7f6
[ 3873.162585][   T10] 
[ 3873.164159][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.164159][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3873.164159][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3873.164159][   T10]      fib6_nh_init+0xa22/0x1580
[ 3873.164159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.164159][   T10]      ip6_route_add+0x1c/0x140
[ 3873.164159][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3873.164159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.164159][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.164159][   T10]      netlink_unicast+0x449/0x710
[ 3873.164159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.164159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.164159][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.164159][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.164159][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.164159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.164159][   T10] 
[ 3873.165952][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.165952][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.165952][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.165952][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.165952][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3873.165952][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3873.165952][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3873.165952][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3873.165952][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3873.165952][   T10]      addrconf_dad_begin+0x310/0x670
[ 3873.165952][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3873.165952][   T10]      process_one_work+0x84d/0x18a0
[ 3873.165952][   T10]      worker_thread+0x587/0xd30
[ 3873.165952][   T10]      kthread+0x28a/0x350
[ 3873.165952][   T10]      ret_from_fork+0x31/0x70
[ 3873.165952][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3873.165952][   T10] 
[ 3873.167837][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.167837][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.167837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.167837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.167837][   T10]      ip6_route_add+0x1c/0x140
[ 3873.167837][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3873.167837][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3873.167837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.167837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.167837][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.167837][   T10]      netlink_unicast+0x449/0x710
[ 3873.167837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.167837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.167837][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.167837][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.167837][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.167837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.167837][   T10] 
[ 3873.169904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.169904][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.169904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.169904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.169904][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3873.169904][   T10]      ipv6_add_addr+0x411/0x2000
[ 3873.169904][   T10]      inet6_addr_add+0x30e/0xa40
[ 3873.169904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.169904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.169904][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.169904][   T10]      netlink_unicast+0x449/0x710
[ 3873.169904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.169904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.169904][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.169904][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.169904][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.169904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.169904][   T10] 
[ 3873.171855][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.171855][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.171855][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.171855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.171855][   T10]      ip6_route_add+0x1c/0x140
[ 3873.171855][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3873.171855][   T10]      addrconf_add_dev+0xe2/0x170
[ 3873.171855][   T10]      inet6_addr_add+0x12f/0xa40
[ 3873.171855][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.171855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.171855][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.171855][   T10]      netlink_unicast+0x449/0x710
[ 3873.171855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.171855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.171855][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.171855][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.171855][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.171855][   T10] 
[ 3873.173794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.173794][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3873.173794][   T10]      ipv6_find_idev+0x102/0x170
[ 3873.173794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3873.173794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.173794][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.173794][   T10]      netlink_unicast+0x449/0x710
[ 3873.173794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.173794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.173794][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.173794][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.173794][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.173794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.173794][   T10] 
[ 3873.175364][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3873.175364][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3873.175364][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3873.175364][   T10]      ipv6_find_idev+0x102/0x170
[ 3873.175364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3873.175364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.175364][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.175364][   T10]      netlink_unicast+0x449/0x710
[ 3873.175364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.175364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.175364][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.175364][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.175364][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.175364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.175364][   T10] 
[ 3873.177078][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3873.177319][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.177319][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3873.177319][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3873.177319][   T10]      fib6_nh_init+0xa22/0x1580
[ 3873.177319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.177319][   T10]      ip6_route_add+0x1c/0x140
[ 3873.177319][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3873.177319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.177319][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.177319][   T10]      netlink_unicast+0x449/0x710
[ 3873.177319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.177319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.177319][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.177319][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.177319][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.177319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.177319][   T10] 
[ 3873.179240][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.179240][   T10]      dst_init+0x84/0x4a0
[ 3873.179240][   T10]      dst_alloc+0x97/0x150
[ 3873.179240][   T10]      ip6_dst_alloc+0x23/0x90
[ 3873.179240][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3873.179240][   T10]      ip6_pol_route+0x56f/0x840
[ 3873.179240][   T10]      fib6_rule_lookup+0x456/0x630
[ 3873.179240][   T10]      ip6_route_input+0x59c/0xa50
[ 3873.179240][   T10]      ipv6_rcv+0x397/0x810
[ 3873.179240][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3873.179240][   T10]      process_backlog+0x101/0x620
[ 3873.179240][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3873.179240][   T10]      net_rx_action+0x495/0xbe0
[ 3873.179240][   T10]      __do_softirq+0x1b5/0x7f6
[ 3873.179240][   T10] 
[ 3873.180852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.180852][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.180852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.180852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.180852][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3873.180852][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3873.180852][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3873.180852][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3873.180852][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3873.180852][   T10]      addrconf_dad_begin+0x310/0x670
[ 3873.180852][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3873.180852][   T10]      process_one_work+0x84d/0x18a0
[ 3873.180852][   T10]      worker_thread+0x587/0xd30
[ 3873.180852][   T10]      kthread+0x28a/0x350
[ 3873.180852][   T10]      ret_from_fork+0x31/0x70
[ 3873.180852][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3873.180852][   T10] 
[ 3873.182734][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.182734][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.182734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.182734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.182734][   T10]      ip6_route_add+0x1c/0x140
[ 3873.182734][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3873.182734][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3873.182734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.182734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.182734][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.182734][   T10]      netlink_unicast+0x449/0x710
[ 3873.182734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.182734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.182734][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.182734][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.182734][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.182734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.182734][   T10] 
[ 3873.184784][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.184784][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.184784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.184784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.184784][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3873.184784][   T10]      ipv6_add_addr+0x411/0x2000
[ 3873.184784][   T10]      inet6_addr_add+0x30e/0xa40
[ 3873.184784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.184784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.184784][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.184784][   T10]      netlink_unicast+0x449/0x710
[ 3873.184784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.184784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.184784][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.184784][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.184784][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.184784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.184784][   T10] 
[ 3873.186775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.186775][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.186775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.186775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.186775][   T10]      ip6_route_add+0x1c/0x140
[ 3873.186775][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3873.186775][   T10]      addrconf_add_dev+0xe2/0x170
[ 3873.186775][   T10]      inet6_addr_add+0x12f/0xa40
[ 3873.186775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.186775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.186775][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.186775][   T10]      netlink_unicast+0x449/0x710
[ 3873.186775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.186775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.186775][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.186775][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.186775][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.186775][   T10] 
[ 3873.188930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.188930][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3873.188930][   T10]      ipv6_find_idev+0x102/0x170
[ 3873.188930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3873.188930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.188930][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.188930][   T10]      netlink_unicast+0x449/0x710
[ 3873.188930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.188930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.188930][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.188930][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.188930][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.188930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.188930][   T10] 
[ 3873.190741][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3873.190741][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3873.190741][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3873.190741][   T10]      ipv6_find_idev+0x102/0x170
[ 3873.190741][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3873.190741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.190741][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.190741][   T10]      netlink_unicast+0x449/0x710
[ 3873.190741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.190741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.190741][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.190741][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.190741][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.190741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.190741][   T10] 
[ 3873.192605][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3873.192858][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3873.192858][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.192858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.192858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.192858][   T10]      ip6_route_add+0x1c/0x140
[ 3873.192858][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3873.192858][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3873.192858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.192858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.192858][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.192858][   T10]      netlink_unicast+0x449/0x710
[ 3873.192858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.192858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.192858][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.192858][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.192858][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.192858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.192858][   T10] 
[ 3873.195103][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3873.195103][   T10]      netdev_get_by_index+0x5e/0x80
[ 3873.195103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3873.195103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3873.195103][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3873.195103][   T10]      ipv6_add_addr+0x411/0x2000
[ 3873.195103][   T10]      inet6_addr_add+0x30e/0xa40
[ 3873.195103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3873.195103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.195103][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.195103][   T10]      netlink_unicast+0x449/0x710
[ 3873.195103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.195103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.195103][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.195103][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.195103][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.195103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.195103][   T10] 
[ 3873.197379][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3873.197379][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3873.197379][   T10]      ipv6_find_idev+0x102/0x170
[ 3873.197379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3873.197379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.197379][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.197379][   T10]      netlink_unicast+0x449/0x710
[ 3873.197379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.197379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.197379][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.197379][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.197379][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.197379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.197379][   T10] 
[ 3873.199188][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3873.199188][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3873.199188][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3873.199188][   T10]      ipv6_find_idev+0x102/0x170
[ 3873.199188][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3873.199188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3873.199188][   T10]      netlink_rcv_skb+0x130/0x360
[ 3873.199188][   T10]      netlink_unicast+0x449/0x710
[ 3873.199188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3873.199188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3873.199188][   T10]      ___sys_sendmsg+0xee/0x170
[ 3873.199188][   T10]      __sys_sendmsg+0xcd/0x170
[ 3873.199188][   T10]      do_syscall_64+0xc6/0x1e0
[ 3873.199188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3873.199188][   T10] 
[ 3883.442429][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3883.442927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.442927][   T10]      dst_init+0x84/0x4a0
[ 3883.442927][   T10]      dst_alloc+0x97/0x150
[ 3883.442927][   T10]      ip6_dst_alloc+0x23/0x90
[ 3883.442927][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3883.442927][   T10]      ip6_pol_route+0x56f/0x840
[ 3883.442927][   T10]      fib6_rule_lookup+0x456/0x630
[ 3883.442927][   T10]      ip6_route_input+0x59c/0xa50
[ 3883.442927][   T10]      ipv6_rcv+0x397/0x810
[ 3883.442927][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3883.442927][   T10]      process_backlog+0x101/0x620
[ 3883.442927][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3883.442927][   T10]      net_rx_action+0x495/0xbe0
[ 3883.442927][   T10]      __do_softirq+0x1b5/0x7f6
[ 3883.442927][   T10] 
[ 3883.444583][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.444583][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3883.444583][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3883.444583][   T10]      fib6_nh_init+0xa22/0x1580
[ 3883.444583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.444583][   T10]      ip6_route_add+0x1c/0x140
[ 3883.444583][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3883.444583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.444583][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.444583][   T10]      netlink_unicast+0x449/0x710
[ 3883.444583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.444583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.444583][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.444583][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.444583][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.444583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.444583][   T10] 
[ 3883.446457][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.446457][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.446457][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.446457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.446457][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3883.446457][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3883.446457][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3883.446457][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3883.446457][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3883.446457][   T10]      addrconf_dad_begin+0x310/0x670
[ 3883.446457][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3883.446457][   T10]      process_one_work+0x84d/0x18a0
[ 3883.446457][   T10]      worker_thread+0x587/0xd30
[ 3883.446457][   T10]      kthread+0x28a/0x350
[ 3883.446457][   T10]      ret_from_fork+0x31/0x70
[ 3883.446457][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3883.446457][   T10] 
[ 3883.448472][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.448472][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.448472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.448472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.448472][   T10]      ip6_route_add+0x1c/0x140
[ 3883.448472][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3883.448472][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3883.448472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.448472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.448472][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.448472][   T10]      netlink_unicast+0x449/0x710
[ 3883.448472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.448472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.448472][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.448472][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.448472][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.448472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.448472][   T10] 
[ 3883.450476][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.450476][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.450476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.450476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.450476][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3883.450476][   T10]      ipv6_add_addr+0x411/0x2000
[ 3883.450476][   T10]      inet6_addr_add+0x30e/0xa40
[ 3883.450476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.450476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.450476][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.450476][   T10]      netlink_unicast+0x449/0x710
[ 3883.450476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.450476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.450476][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.450476][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.450476][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.450476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.450476][   T10] 
[ 3883.452539][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.452539][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.452539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.452539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.452539][   T10]      ip6_route_add+0x1c/0x140
[ 3883.452539][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3883.452539][   T10]      addrconf_add_dev+0xe2/0x170
[ 3883.452539][   T10]      inet6_addr_add+0x12f/0xa40
[ 3883.452539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.452539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.452539][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.452539][   T10]      netlink_unicast+0x449/0x710
[ 3883.452539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.452539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.452539][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.452539][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.452539][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.452539][   T10] 
[ 3883.454511][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.454511][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3883.454511][   T10]      ipv6_find_idev+0x102/0x170
[ 3883.454511][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3883.454511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.454511][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.454511][   T10]      netlink_unicast+0x449/0x710
[ 3883.454511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.454511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.454511][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.454511][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.454511][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.454511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.454511][   T10] 
[ 3883.456086][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3883.456086][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3883.456086][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3883.456086][   T10]      ipv6_find_idev+0x102/0x170
[ 3883.456086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3883.456086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.456086][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.456086][   T10]      netlink_unicast+0x449/0x710
[ 3883.456086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.456086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.456086][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.456086][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.456086][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.456086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.456086][   T10] 
[ 3883.457866][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3883.458112][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.458112][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3883.458112][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3883.458112][   T10]      fib6_nh_init+0xa22/0x1580
[ 3883.458112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.458112][   T10]      ip6_route_add+0x1c/0x140
[ 3883.458112][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3883.458112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.458112][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.458112][   T10]      netlink_unicast+0x449/0x710
[ 3883.458112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.458112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.458112][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.458112][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.458112][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.458112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.458112][   T10] 
[ 3883.459994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.459994][   T10]      dst_init+0x84/0x4a0
[ 3883.459994][   T10]      dst_alloc+0x97/0x150
[ 3883.459994][   T10]      ip6_dst_alloc+0x23/0x90
[ 3883.459994][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3883.459994][   T10]      ip6_pol_route+0x56f/0x840
[ 3883.459994][   T10]      fib6_rule_lookup+0x456/0x630
[ 3883.459994][   T10]      ip6_route_input+0x59c/0xa50
[ 3883.459994][   T10]      ipv6_rcv+0x397/0x810
[ 3883.459994][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3883.459994][   T10]      process_backlog+0x101/0x620
[ 3883.459994][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3883.459994][   T10]      net_rx_action+0x495/0xbe0
[ 3883.459994][   T10]      __do_softirq+0x1b5/0x7f6
[ 3883.459994][   T10] 
[ 3883.461657][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.461657][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.461657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.461657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.461657][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3883.461657][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3883.461657][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3883.461657][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3883.461657][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3883.461657][   T10]      addrconf_dad_begin+0x310/0x670
[ 3883.461657][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3883.461657][   T10]      process_one_work+0x84d/0x18a0
[ 3883.461657][   T10]      worker_thread+0x587/0xd30
[ 3883.461657][   T10]      kthread+0x28a/0x350
[ 3883.461657][   T10]      ret_from_fork+0x31/0x70
[ 3883.461657][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3883.461657][   T10] 
[ 3883.463597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.463597][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.463597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.463597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.463597][   T10]      ip6_route_add+0x1c/0x140
[ 3883.463597][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3883.463597][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3883.463597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.463597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.463597][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.463597][   T10]      netlink_unicast+0x449/0x710
[ 3883.463597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.463597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.463597][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.463597][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.463597][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.463597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.463597][   T10] 
[ 3883.465619][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.465619][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.465619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.465619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.465619][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3883.465619][   T10]      ipv6_add_addr+0x411/0x2000
[ 3883.465619][   T10]      inet6_addr_add+0x30e/0xa40
[ 3883.465619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.465619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.465619][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.465619][   T10]      netlink_unicast+0x449/0x710
[ 3883.465619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.465619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.465619][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.465619][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.465619][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.465619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.465619][   T10] 
[ 3883.467664][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.467664][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.467664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.467664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.467664][   T10]      ip6_route_add+0x1c/0x140
[ 3883.467664][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3883.467664][   T10]      addrconf_add_dev+0xe2/0x170
[ 3883.467664][   T10]      inet6_addr_add+0x12f/0xa40
[ 3883.467664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.467664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.467664][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.467664][   T10]      netlink_unicast+0x449/0x710
[ 3883.467664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.467664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.467664][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.467664][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.467664][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.467664][   T10] 
[ 3883.469831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.469831][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3883.469831][   T10]      ipv6_find_idev+0x102/0x170
[ 3883.469831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3883.469831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.469831][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.469831][   T10]      netlink_unicast+0x449/0x710
[ 3883.469831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.469831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.469831][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.469831][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.469831][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.469831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.469831][   T10] 
[ 3883.471565][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3883.471565][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3883.471565][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3883.471565][   T10]      ipv6_find_idev+0x102/0x170
[ 3883.471565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3883.471565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.471565][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.471565][   T10]      netlink_unicast+0x449/0x710
[ 3883.471565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.471565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.471565][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.471565][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.471565][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.471565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.471565][   T10] 
[ 3883.473515][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3883.473806][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3883.473806][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.473806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.473806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.473806][   T10]      ip6_route_add+0x1c/0x140
[ 3883.473806][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3883.473806][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3883.473806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.473806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.473806][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.473806][   T10]      netlink_unicast+0x449/0x710
[ 3883.473806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.473806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.473806][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.473806][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.473806][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.473806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.473806][   T10] 
[ 3883.476071][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3883.476071][   T10]      netdev_get_by_index+0x5e/0x80
[ 3883.476071][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3883.476071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3883.476071][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3883.476071][   T10]      ipv6_add_addr+0x411/0x2000
[ 3883.476071][   T10]      inet6_addr_add+0x30e/0xa40
[ 3883.476071][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3883.476071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.476071][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.476071][   T10]      netlink_unicast+0x449/0x710
[ 3883.476071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.476071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.476071][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.476071][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.476071][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.476071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.476071][   T10] 
[ 3883.478343][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3883.478343][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3883.478343][   T10]      ipv6_find_idev+0x102/0x170
[ 3883.478343][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3883.478343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.478343][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.478343][   T10]      netlink_unicast+0x449/0x710
[ 3883.478343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.478343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.478343][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.478343][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.478343][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.478343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.478343][   T10] 
[ 3883.480016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3883.480016][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3883.480016][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3883.480016][   T10]      ipv6_find_idev+0x102/0x170
[ 3883.480016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3883.480016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3883.480016][   T10]      netlink_rcv_skb+0x130/0x360
[ 3883.480016][   T10]      netlink_unicast+0x449/0x710
[ 3883.480016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3883.480016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3883.480016][   T10]      ___sys_sendmsg+0xee/0x170
[ 3883.480016][   T10]      __sys_sendmsg+0xcd/0x170
[ 3883.480016][   T10]      do_syscall_64+0xc6/0x1e0
[ 3883.480016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3883.480016][   T10] 
[ 3893.720762][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3893.721578][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.721578][   T10]      dst_init+0x84/0x4a0
[ 3893.721578][   T10]      dst_alloc+0x97/0x150
[ 3893.721578][   T10]      ip6_dst_alloc+0x23/0x90
[ 3893.721578][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3893.721578][   T10]      ip6_pol_route+0x56f/0x840
[ 3893.721578][   T10]      fib6_rule_lookup+0x456/0x630
[ 3893.721578][   T10]      ip6_route_input+0x59c/0xa50
[ 3893.721578][   T10]      ipv6_rcv+0x397/0x810
[ 3893.721578][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3893.721578][   T10]      process_backlog+0x101/0x620
[ 3893.721578][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3893.721578][   T10]      net_rx_action+0x495/0xbe0
[ 3893.721578][   T10]      __do_softirq+0x1b5/0x7f6
[ 3893.721578][   T10] 
[ 3893.723204][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.723204][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3893.723204][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3893.723204][   T10]      fib6_nh_init+0xa22/0x1580
[ 3893.723204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.723204][   T10]      ip6_route_add+0x1c/0x140
[ 3893.723204][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3893.723204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.723204][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.723204][   T10]      netlink_unicast+0x449/0x710
[ 3893.723204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.723204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.723204][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.723204][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.723204][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.723204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.723204][   T10] 
[ 3893.725093][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.725093][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.725093][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.725093][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.725093][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3893.725093][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3893.725093][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3893.725093][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3893.725093][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3893.725093][   T10]      addrconf_dad_begin+0x310/0x670
[ 3893.725093][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3893.725093][   T10]      process_one_work+0x84d/0x18a0
[ 3893.725093][   T10]      worker_thread+0x587/0xd30
[ 3893.725093][   T10]      kthread+0x28a/0x350
[ 3893.725093][   T10]      ret_from_fork+0x31/0x70
[ 3893.725093][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3893.725093][   T10] 
[ 3893.727003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.727003][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.727003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.727003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.727003][   T10]      ip6_route_add+0x1c/0x140
[ 3893.727003][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3893.727003][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3893.727003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.727003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.727003][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.727003][   T10]      netlink_unicast+0x449/0x710
[ 3893.727003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.727003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.727003][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.727003][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.727003][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.727003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.727003][   T10] 
[ 3893.729012][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.729012][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.729012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.729012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.729012][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3893.729012][   T10]      ipv6_add_addr+0x411/0x2000
[ 3893.729012][   T10]      inet6_addr_add+0x30e/0xa40
[ 3893.729012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.729012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.729012][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.729012][   T10]      netlink_unicast+0x449/0x710
[ 3893.729012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.729012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.729012][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.729012][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.729012][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.729012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.729012][   T10] 
[ 3893.730971][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.730971][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.730971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.730971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.730971][   T10]      ip6_route_add+0x1c/0x140
[ 3893.730971][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3893.730971][   T10]      addrconf_add_dev+0xe2/0x170
[ 3893.730971][   T10]      inet6_addr_add+0x12f/0xa40
[ 3893.730971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.730971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.730971][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.730971][   T10]      netlink_unicast+0x449/0x710
[ 3893.730971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.730971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.730971][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.730971][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.730971][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.730971][   T10] 
[ 3893.733031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.733031][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3893.733031][   T10]      ipv6_find_idev+0x102/0x170
[ 3893.733031][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3893.733031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.733031][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.733031][   T10]      netlink_unicast+0x449/0x710
[ 3893.733031][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.733031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.733031][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.733031][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.733031][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.733031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.733031][   T10] 
[ 3893.734585][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3893.734585][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3893.734585][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3893.734585][   T10]      ipv6_find_idev+0x102/0x170
[ 3893.734585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3893.734585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.734585][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.734585][   T10]      netlink_unicast+0x449/0x710
[ 3893.734585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.734585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.734585][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.734585][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.734585][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.734585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.734585][   T10] 
[ 3893.736292][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3893.736542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.736542][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3893.736542][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3893.736542][   T10]      fib6_nh_init+0xa22/0x1580
[ 3893.736542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.736542][   T10]      ip6_route_add+0x1c/0x140
[ 3893.736542][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3893.736542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.736542][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.736542][   T10]      netlink_unicast+0x449/0x710
[ 3893.736542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.736542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.736542][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.736542][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.736542][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.736542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.736542][   T10] 
[ 3893.738424][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.738424][   T10]      dst_init+0x84/0x4a0
[ 3893.738424][   T10]      dst_alloc+0x97/0x150
[ 3893.738424][   T10]      ip6_dst_alloc+0x23/0x90
[ 3893.738424][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3893.738424][   T10]      ip6_pol_route+0x56f/0x840
[ 3893.738424][   T10]      fib6_rule_lookup+0x456/0x630
[ 3893.738424][   T10]      ip6_route_input+0x59c/0xa50
[ 3893.738424][   T10]      ipv6_rcv+0x397/0x810
[ 3893.738424][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3893.738424][   T10]      process_backlog+0x101/0x620
[ 3893.738424][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3893.738424][   T10]      net_rx_action+0x495/0xbe0
[ 3893.738424][   T10]      __do_softirq+0x1b5/0x7f6
[ 3893.738424][   T10] 
[ 3893.740063][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.740063][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.740063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.740063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.740063][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3893.740063][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3893.740063][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3893.740063][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3893.740063][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3893.740063][   T10]      addrconf_dad_begin+0x310/0x670
[ 3893.740063][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3893.740063][   T10]      process_one_work+0x84d/0x18a0
[ 3893.740063][   T10]      worker_thread+0x587/0xd30
[ 3893.740063][   T10]      kthread+0x28a/0x350
[ 3893.740063][   T10]      ret_from_fork+0x31/0x70
[ 3893.740063][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3893.740063][   T10] 
[ 3893.741965][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.741965][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.741965][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.741965][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.741965][   T10]      ip6_route_add+0x1c/0x140
[ 3893.741965][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3893.741965][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3893.741965][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.741965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.741965][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.741965][   T10]      netlink_unicast+0x449/0x710
[ 3893.741965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.741965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.741965][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.741965][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.741965][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.741965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.741965][   T10] 
[ 3893.743948][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.743948][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.743948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.743948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.743948][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3893.743948][   T10]      ipv6_add_addr+0x411/0x2000
[ 3893.743948][   T10]      inet6_addr_add+0x30e/0xa40
[ 3893.743948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.743948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.743948][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.743948][   T10]      netlink_unicast+0x449/0x710
[ 3893.743948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.743948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.743948][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.743948][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.743948][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.743948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.743948][   T10] 
[ 3893.745937][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.745937][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.745937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.745937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.745937][   T10]      ip6_route_add+0x1c/0x140
[ 3893.745937][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3893.745937][   T10]      addrconf_add_dev+0xe2/0x170
[ 3893.745937][   T10]      inet6_addr_add+0x12f/0xa40
[ 3893.745937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.745937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.745937][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.745937][   T10]      netlink_unicast+0x449/0x710
[ 3893.745937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.745937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.745937][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.745937][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.745937][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.745937][   T10] 
[ 3893.748080][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.748080][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3893.748080][   T10]      ipv6_find_idev+0x102/0x170
[ 3893.748080][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3893.748080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.748080][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.748080][   T10]      netlink_unicast+0x449/0x710
[ 3893.748080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.748080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.748080][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.748080][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.748080][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.748080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.748080][   T10] 
[ 3893.749856][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3893.749856][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3893.749856][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3893.749856][   T10]      ipv6_find_idev+0x102/0x170
[ 3893.749856][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3893.749856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.749856][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.749856][   T10]      netlink_unicast+0x449/0x710
[ 3893.749856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.749856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.749856][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.749856][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.749856][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.749856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.749856][   T10] 
[ 3893.751725][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3893.752025][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3893.752025][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.752025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.752025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.752025][   T10]      ip6_route_add+0x1c/0x140
[ 3893.752025][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3893.752025][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3893.752025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.752025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.752025][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.752025][   T10]      netlink_unicast+0x449/0x710
[ 3893.752025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.752025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.752025][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.752025][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.752025][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.752025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.752025][   T10] 
[ 3893.754195][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3893.754195][   T10]      netdev_get_by_index+0x5e/0x80
[ 3893.754195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3893.754195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3893.754195][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3893.754195][   T10]      ipv6_add_addr+0x411/0x2000
[ 3893.754195][   T10]      inet6_addr_add+0x30e/0xa40
[ 3893.754195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3893.754195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.754195][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.754195][   T10]      netlink_unicast+0x449/0x710
[ 3893.754195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.754195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.754195][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.754195][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.754195][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.754195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.754195][   T10] 
[ 3893.756429][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3893.756429][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3893.756429][   T10]      ipv6_find_idev+0x102/0x170
[ 3893.756429][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3893.756429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.756429][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.756429][   T10]      netlink_unicast+0x449/0x710
[ 3893.756429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.756429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.756429][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.756429][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.756429][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.756429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.756429][   T10] 
[ 3893.758216][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3893.758216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3893.758216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3893.758216][   T10]      ipv6_find_idev+0x102/0x170
[ 3893.758216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3893.758216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3893.758216][   T10]      netlink_rcv_skb+0x130/0x360
[ 3893.758216][   T10]      netlink_unicast+0x449/0x710
[ 3893.758216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3893.758216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3893.758216][   T10]      ___sys_sendmsg+0xee/0x170
[ 3893.758216][   T10]      __sys_sendmsg+0xcd/0x170
[ 3893.758216][   T10]      do_syscall_64+0xc6/0x1e0
[ 3893.758216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3893.758216][   T10] 
[ 3904.000763][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3904.001538][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.001538][   T10]      dst_init+0x84/0x4a0
[ 3904.001538][   T10]      dst_alloc+0x97/0x150
[ 3904.001538][   T10]      ip6_dst_alloc+0x23/0x90
[ 3904.001538][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3904.001538][   T10]      ip6_pol_route+0x56f/0x840
[ 3904.001538][   T10]      fib6_rule_lookup+0x456/0x630
[ 3904.001538][   T10]      ip6_route_input+0x59c/0xa50
[ 3904.001538][   T10]      ipv6_rcv+0x397/0x810
[ 3904.001538][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3904.001538][   T10]      process_backlog+0x101/0x620
[ 3904.001538][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3904.001538][   T10]      net_rx_action+0x495/0xbe0
[ 3904.001538][   T10]      __do_softirq+0x1b5/0x7f6
[ 3904.001538][   T10] 
[ 3904.003169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.003169][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3904.003169][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3904.003169][   T10]      fib6_nh_init+0xa22/0x1580
[ 3904.003169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.003169][   T10]      ip6_route_add+0x1c/0x140
[ 3904.003169][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3904.003169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.003169][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.003169][   T10]      netlink_unicast+0x449/0x710
[ 3904.003169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.003169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.003169][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.003169][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.003169][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.003169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.003169][   T10] 
[ 3904.005055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.005055][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.005055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.005055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.005055][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3904.005055][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3904.005055][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3904.005055][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3904.005055][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3904.005055][   T10]      addrconf_dad_begin+0x310/0x670
[ 3904.005055][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3904.005055][   T10]      process_one_work+0x84d/0x18a0
[ 3904.005055][   T10]      worker_thread+0x587/0xd30
[ 3904.005055][   T10]      kthread+0x28a/0x350
[ 3904.005055][   T10]      ret_from_fork+0x31/0x70
[ 3904.005055][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3904.005055][   T10] 
[ 3904.006907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.006907][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.006907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.006907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.006907][   T10]      ip6_route_add+0x1c/0x140
[ 3904.006907][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3904.006907][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3904.006907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.006907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.006907][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.006907][   T10]      netlink_unicast+0x449/0x710
[ 3904.006907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.006907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.006907][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.006907][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.006907][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.006907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.006907][   T10] 
[ 3904.008855][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.008855][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.008855][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.008855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.008855][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3904.008855][   T10]      ipv6_add_addr+0x411/0x2000
[ 3904.008855][   T10]      inet6_addr_add+0x30e/0xa40
[ 3904.008855][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.008855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.008855][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.008855][   T10]      netlink_unicast+0x449/0x710
[ 3904.008855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.008855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.008855][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.008855][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.008855][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.008855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.008855][   T10] 
[ 3904.010807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.010807][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.010807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.010807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.010807][   T10]      ip6_route_add+0x1c/0x140
[ 3904.010807][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3904.010807][   T10]      addrconf_add_dev+0xe2/0x170
[ 3904.010807][   T10]      inet6_addr_add+0x12f/0xa40
[ 3904.010807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.010807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.010807][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.010807][   T10]      netlink_unicast+0x449/0x710
[ 3904.010807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.010807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.010807][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.010807][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.010807][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.010807][   T10] 
[ 3904.012714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.012714][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3904.012714][   T10]      ipv6_find_idev+0x102/0x170
[ 3904.012714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3904.012714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.012714][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.012714][   T10]      netlink_unicast+0x449/0x710
[ 3904.012714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.012714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.012714][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.012714][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.012714][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.012714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.012714][   T10] 
[ 3904.014215][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3904.014215][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3904.014215][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3904.014215][   T10]      ipv6_find_idev+0x102/0x170
[ 3904.014215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3904.014215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.014215][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.014215][   T10]      netlink_unicast+0x449/0x710
[ 3904.014215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.014215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.014215][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.014215][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.014215][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.014215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.014215][   T10] 
[ 3904.015871][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3904.016118][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.016118][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3904.016118][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3904.016118][   T10]      fib6_nh_init+0xa22/0x1580
[ 3904.016118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.016118][   T10]      ip6_route_add+0x1c/0x140
[ 3904.016118][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3904.016118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.016118][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.016118][   T10]      netlink_unicast+0x449/0x710
[ 3904.016118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.016118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.016118][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.016118][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.016118][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.016118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.016118][   T10] 
[ 3904.018120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.018120][   T10]      dst_init+0x84/0x4a0
[ 3904.018120][   T10]      dst_alloc+0x97/0x150
[ 3904.018120][   T10]      ip6_dst_alloc+0x23/0x90
[ 3904.018120][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3904.018120][   T10]      ip6_pol_route+0x56f/0x840
[ 3904.018120][   T10]      fib6_rule_lookup+0x456/0x630
[ 3904.018120][   T10]      ip6_route_input+0x59c/0xa50
[ 3904.018120][   T10]      ipv6_rcv+0x397/0x810
[ 3904.018120][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3904.018120][   T10]      process_backlog+0x101/0x620
[ 3904.018120][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3904.018120][   T10]      net_rx_action+0x495/0xbe0
[ 3904.018120][   T10]      __do_softirq+0x1b5/0x7f6
[ 3904.018120][   T10] 
[ 3904.019771][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.019771][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.019771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.019771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.019771][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3904.019771][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3904.019771][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3904.019771][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3904.019771][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3904.019771][   T10]      addrconf_dad_begin+0x310/0x670
[ 3904.019771][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3904.019771][   T10]      process_one_work+0x84d/0x18a0
[ 3904.019771][   T10]      worker_thread+0x587/0xd30
[ 3904.019771][   T10]      kthread+0x28a/0x350
[ 3904.019771][   T10]      ret_from_fork+0x31/0x70
[ 3904.019771][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3904.019771][   T10] 
[ 3904.021698][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.021698][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.021698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.021698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.021698][   T10]      ip6_route_add+0x1c/0x140
[ 3904.021698][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3904.021698][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3904.021698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.021698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.021698][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.021698][   T10]      netlink_unicast+0x449/0x710
[ 3904.021698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.021698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.021698][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.021698][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.021698][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.021698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.021698][   T10] 
[ 3904.023698][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.023698][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.023698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.023698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.023698][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3904.023698][   T10]      ipv6_add_addr+0x411/0x2000
[ 3904.023698][   T10]      inet6_addr_add+0x30e/0xa40
[ 3904.023698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.023698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.023698][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.023698][   T10]      netlink_unicast+0x449/0x710
[ 3904.023698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.023698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.023698][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.023698][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.023698][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.023698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.023698][   T10] 
[ 3904.025696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.025696][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.025696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.025696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.025696][   T10]      ip6_route_add+0x1c/0x140
[ 3904.025696][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3904.025696][   T10]      addrconf_add_dev+0xe2/0x170
[ 3904.025696][   T10]      inet6_addr_add+0x12f/0xa40
[ 3904.025696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.025696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.025696][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.025696][   T10]      netlink_unicast+0x449/0x710
[ 3904.025696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.025696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.025696][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.025696][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.025696][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.025696][   T10] 
[ 3904.027806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.027806][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3904.027806][   T10]      ipv6_find_idev+0x102/0x170
[ 3904.027806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3904.027806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.027806][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.027806][   T10]      netlink_unicast+0x449/0x710
[ 3904.027806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.027806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.027806][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.027806][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.027806][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.027806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.027806][   T10] 
[ 3904.029409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3904.029409][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3904.029409][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3904.029409][   T10]      ipv6_find_idev+0x102/0x170
[ 3904.029409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3904.029409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.029409][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.029409][   T10]      netlink_unicast+0x449/0x710
[ 3904.029409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.029409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.029409][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.029409][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.029409][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.029409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.029409][   T10] 
[ 3904.031226][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3904.031533][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3904.031533][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.031533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.031533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.031533][   T10]      ip6_route_add+0x1c/0x140
[ 3904.031533][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3904.031533][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3904.031533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.031533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.031533][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.031533][   T10]      netlink_unicast+0x449/0x710
[ 3904.031533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.031533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.031533][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.031533][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.031533][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.031533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.031533][   T10] 
[ 3904.033626][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3904.033626][   T10]      netdev_get_by_index+0x5e/0x80
[ 3904.033626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3904.033626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3904.033626][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3904.033626][   T10]      ipv6_add_addr+0x411/0x2000
[ 3904.033626][   T10]      inet6_addr_add+0x30e/0xa40
[ 3904.033626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3904.033626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.033626][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.033626][   T10]      netlink_unicast+0x449/0x710
[ 3904.033626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.033626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.033626][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.033626][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.033626][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.033626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.033626][   T10] 
[ 3904.035820][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3904.035820][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3904.035820][   T10]      ipv6_find_idev+0x102/0x170
[ 3904.035820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3904.035820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.035820][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.035820][   T10]      netlink_unicast+0x449/0x710
[ 3904.035820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.035820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.035820][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.035820][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.035820][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.035820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.035820][   T10] 
[ 3904.037471][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3904.037471][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3904.037471][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3904.037471][   T10]      ipv6_find_idev+0x102/0x170
[ 3904.037471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3904.037471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3904.037471][   T10]      netlink_rcv_skb+0x130/0x360
[ 3904.037471][   T10]      netlink_unicast+0x449/0x710
[ 3904.037471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3904.037471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3904.037471][   T10]      ___sys_sendmsg+0xee/0x170
[ 3904.037471][   T10]      __sys_sendmsg+0xcd/0x170
[ 3904.037471][   T10]      do_syscall_64+0xc6/0x1e0
[ 3904.037471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3904.037471][   T10] 
[ 3914.280702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3914.281245][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.281245][   T10]      dst_init+0x84/0x4a0
[ 3914.281245][   T10]      dst_alloc+0x97/0x150
[ 3914.281245][   T10]      ip6_dst_alloc+0x23/0x90
[ 3914.281245][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3914.281245][   T10]      ip6_pol_route+0x56f/0x840
[ 3914.281245][   T10]      fib6_rule_lookup+0x456/0x630
[ 3914.281245][   T10]      ip6_route_input+0x59c/0xa50
[ 3914.281245][   T10]      ipv6_rcv+0x397/0x810
[ 3914.281245][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3914.281245][   T10]      process_backlog+0x101/0x620
[ 3914.281245][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3914.281245][   T10]      net_rx_action+0x495/0xbe0
[ 3914.281245][   T10]      __do_softirq+0x1b5/0x7f6
[ 3914.281245][   T10] 
[ 3914.283191][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.283191][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3914.283191][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3914.283191][   T10]      fib6_nh_init+0xa22/0x1580
[ 3914.283191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.283191][   T10]      ip6_route_add+0x1c/0x140
[ 3914.283191][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3914.283191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.283191][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.283191][   T10]      netlink_unicast+0x449/0x710
[ 3914.283191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.283191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.283191][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.283191][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.283191][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.283191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.283191][   T10] 
[ 3914.285302][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.285302][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.285302][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.285302][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.285302][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3914.285302][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3914.285302][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3914.285302][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3914.285302][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3914.285302][   T10]      addrconf_dad_begin+0x310/0x670
[ 3914.285302][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3914.285302][   T10]      process_one_work+0x84d/0x18a0
[ 3914.285302][   T10]      worker_thread+0x587/0xd30
[ 3914.285302][   T10]      kthread+0x28a/0x350
[ 3914.285302][   T10]      ret_from_fork+0x31/0x70
[ 3914.285302][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3914.285302][   T10] 
[ 3914.287438][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.287438][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.287438][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.287438][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.287438][   T10]      ip6_route_add+0x1c/0x140
[ 3914.287438][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3914.287438][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3914.287438][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.287438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.287438][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.287438][   T10]      netlink_unicast+0x449/0x710
[ 3914.287438][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.287438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.287438][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.287438][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.287438][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.287438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.287438][   T10] 
[ 3914.289745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.289745][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.289745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.289745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.289745][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3914.289745][   T10]      ipv6_add_addr+0x411/0x2000
[ 3914.289745][   T10]      inet6_addr_add+0x30e/0xa40
[ 3914.289745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.289745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.289745][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.289745][   T10]      netlink_unicast+0x449/0x710
[ 3914.289745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.289745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.289745][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.289745][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.289745][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.289745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.289745][   T10] 
[ 3914.292010][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.292010][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.292010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.292010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.292010][   T10]      ip6_route_add+0x1c/0x140
[ 3914.292010][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3914.292010][   T10]      addrconf_add_dev+0xe2/0x170
[ 3914.292010][   T10]      inet6_addr_add+0x12f/0xa40
[ 3914.292010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.292010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.292010][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.292010][   T10]      netlink_unicast+0x449/0x710
[ 3914.292010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.292010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.292010][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.292010][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.292010][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.292010][   T10] 
[ 3914.294192][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.294192][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3914.294192][   T10]      ipv6_find_idev+0x102/0x170
[ 3914.294192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3914.294192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.294192][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.294192][   T10]      netlink_unicast+0x449/0x710
[ 3914.294192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.294192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.294192][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.294192][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.294192][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.294192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.294192][   T10] 
[ 3914.295922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3914.295922][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3914.295922][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3914.295922][   T10]      ipv6_find_idev+0x102/0x170
[ 3914.295922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3914.295922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.295922][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.295922][   T10]      netlink_unicast+0x449/0x710
[ 3914.295922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.295922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.295922][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.295922][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.295922][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.295922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.295922][   T10] 
[ 3914.297835][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3914.298093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.298093][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3914.298093][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3914.298093][   T10]      fib6_nh_init+0xa22/0x1580
[ 3914.298093][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.298093][   T10]      ip6_route_add+0x1c/0x140
[ 3914.298093][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3914.298093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.298093][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.298093][   T10]      netlink_unicast+0x449/0x710
[ 3914.298093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.298093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.298093][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.298093][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.298093][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.298093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.298093][   T10] 
[ 3914.300209][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.300209][   T10]      dst_init+0x84/0x4a0
[ 3914.300209][   T10]      dst_alloc+0x97/0x150
[ 3914.300209][   T10]      ip6_dst_alloc+0x23/0x90
[ 3914.300209][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3914.300209][   T10]      ip6_pol_route+0x56f/0x840
[ 3914.300209][   T10]      fib6_rule_lookup+0x456/0x630
[ 3914.300209][   T10]      ip6_route_input+0x59c/0xa50
[ 3914.300209][   T10]      ipv6_rcv+0x397/0x810
[ 3914.300209][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3914.300209][   T10]      process_backlog+0x101/0x620
[ 3914.300209][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3914.300209][   T10]      net_rx_action+0x495/0xbe0
[ 3914.300209][   T10]      __do_softirq+0x1b5/0x7f6
[ 3914.300209][   T10] 
[ 3914.302019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.302019][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.302019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.302019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.302019][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3914.302019][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3914.302019][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3914.302019][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3914.302019][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3914.302019][   T10]      addrconf_dad_begin+0x310/0x670
[ 3914.302019][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3914.302019][   T10]      process_one_work+0x84d/0x18a0
[ 3914.302019][   T10]      worker_thread+0x587/0xd30
[ 3914.302019][   T10]      kthread+0x28a/0x350
[ 3914.302019][   T10]      ret_from_fork+0x31/0x70
[ 3914.302019][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3914.302019][   T10] 
[ 3914.304156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.304156][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.304156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.304156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.304156][   T10]      ip6_route_add+0x1c/0x140
[ 3914.304156][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3914.304156][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3914.304156][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.304156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.304156][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.304156][   T10]      netlink_unicast+0x449/0x710
[ 3914.304156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.304156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.304156][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.304156][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.304156][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.304156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.304156][   T10] 
[ 3914.306412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.306412][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.306412][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.306412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.306412][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3914.306412][   T10]      ipv6_add_addr+0x411/0x2000
[ 3914.306412][   T10]      inet6_addr_add+0x30e/0xa40
[ 3914.306412][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.306412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.306412][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.306412][   T10]      netlink_unicast+0x449/0x710
[ 3914.306412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.306412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.306412][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.306412][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.306412][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.306412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.306412][   T10] 
[ 3914.308649][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.308649][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.308649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.308649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.308649][   T10]      ip6_route_add+0x1c/0x140
[ 3914.308649][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3914.308649][   T10]      addrconf_add_dev+0xe2/0x170
[ 3914.308649][   T10]      inet6_addr_add+0x12f/0xa40
[ 3914.308649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.308649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.308649][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.308649][   T10]      netlink_unicast+0x449/0x710
[ 3914.308649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.308649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.308649][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.308649][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.308649][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.308649][   T10] 
[ 3914.310966][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.310966][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3914.310966][   T10]      ipv6_find_idev+0x102/0x170
[ 3914.310966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3914.310966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.310966][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.310966][   T10]      netlink_unicast+0x449/0x710
[ 3914.310966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.310966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.310966][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.310966][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.310966][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.310966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.310966][   T10] 
[ 3914.312950][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3914.312950][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3914.312950][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3914.312950][   T10]      ipv6_find_idev+0x102/0x170
[ 3914.312950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3914.312950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.312950][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.312950][   T10]      netlink_unicast+0x449/0x710
[ 3914.312950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.312950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.312950][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.312950][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.312950][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.312950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.312950][   T10] 
[ 3914.314999][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3914.315350][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3914.315350][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.315350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.315350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.315350][   T10]      ip6_route_add+0x1c/0x140
[ 3914.315350][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3914.315350][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3914.315350][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.315350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.315350][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.315350][   T10]      netlink_unicast+0x449/0x710
[ 3914.315350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.315350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.315350][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.315350][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.315350][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.315350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.315350][   T10] 
[ 3914.317763][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3914.317763][   T10]      netdev_get_by_index+0x5e/0x80
[ 3914.317763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3914.317763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3914.317763][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3914.317763][   T10]      ipv6_add_addr+0x411/0x2000
[ 3914.317763][   T10]      inet6_addr_add+0x30e/0xa40
[ 3914.317763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3914.317763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.317763][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.317763][   T10]      netlink_unicast+0x449/0x710
[ 3914.317763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.317763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.317763][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.317763][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.317763][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.317763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.317763][   T10] 
[ 3914.320176][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3914.320176][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3914.320176][   T10]      ipv6_find_idev+0x102/0x170
[ 3914.320176][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3914.320176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.320176][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.320176][   T10]      netlink_unicast+0x449/0x710
[ 3914.320176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.320176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.320176][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.320176][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.320176][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.320176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.320176][   T10] 
[ 3914.322082][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3914.322082][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3914.322082][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3914.322082][   T10]      ipv6_find_idev+0x102/0x170
[ 3914.322082][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3914.322082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3914.322082][   T10]      netlink_rcv_skb+0x130/0x360
[ 3914.322082][   T10]      netlink_unicast+0x449/0x710
[ 3914.322082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3914.322082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3914.322082][   T10]      ___sys_sendmsg+0xee/0x170
[ 3914.322082][   T10]      __sys_sendmsg+0xcd/0x170
[ 3914.322082][   T10]      do_syscall_64+0xc6/0x1e0
[ 3914.322082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3914.322082][   T10] 
[ 3924.560706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3924.561217][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.561217][   T10]      dst_init+0x84/0x4a0
[ 3924.561217][   T10]      dst_alloc+0x97/0x150
[ 3924.561217][   T10]      ip6_dst_alloc+0x23/0x90
[ 3924.561217][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3924.561217][   T10]      ip6_pol_route+0x56f/0x840
[ 3924.561217][   T10]      fib6_rule_lookup+0x456/0x630
[ 3924.561217][   T10]      ip6_route_input+0x59c/0xa50
[ 3924.561217][   T10]      ipv6_rcv+0x397/0x810
[ 3924.561217][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3924.561217][   T10]      process_backlog+0x101/0x620
[ 3924.561217][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3924.561217][   T10]      net_rx_action+0x495/0xbe0
[ 3924.561217][   T10]      __do_softirq+0x1b5/0x7f6
[ 3924.561217][   T10] 
[ 3924.563063][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.563063][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3924.563063][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3924.563063][   T10]      fib6_nh_init+0xa22/0x1580
[ 3924.563063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.563063][   T10]      ip6_route_add+0x1c/0x140
[ 3924.563063][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3924.563063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.563063][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.563063][   T10]      netlink_unicast+0x449/0x710
[ 3924.563063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.563063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.563063][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.563063][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.563063][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.563063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.563063][   T10] 
[ 3924.565185][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.565185][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.565185][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.565185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.565185][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3924.565185][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3924.565185][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3924.565185][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3924.565185][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3924.565185][   T10]      addrconf_dad_begin+0x310/0x670
[ 3924.565185][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3924.565185][   T10]      process_one_work+0x84d/0x18a0
[ 3924.565185][   T10]      worker_thread+0x587/0xd30
[ 3924.565185][   T10]      kthread+0x28a/0x350
[ 3924.565185][   T10]      ret_from_fork+0x31/0x70
[ 3924.565185][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3924.565185][   T10] 
[ 3924.567313][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.567313][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.567313][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.567313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.567313][   T10]      ip6_route_add+0x1c/0x140
[ 3924.567313][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3924.567313][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3924.567313][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.567313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.567313][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.567313][   T10]      netlink_unicast+0x449/0x710
[ 3924.567313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.567313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.567313][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.567313][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.567313][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.567313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.567313][   T10] 
[ 3924.569561][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.569561][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.569561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.569561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.569561][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3924.569561][   T10]      ipv6_add_addr+0x411/0x2000
[ 3924.569561][   T10]      inet6_addr_add+0x30e/0xa40
[ 3924.569561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.569561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.569561][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.569561][   T10]      netlink_unicast+0x449/0x710
[ 3924.569561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.569561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.569561][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.569561][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.569561][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.569561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.569561][   T10] 
[ 3924.571778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.571778][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.571778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.571778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.571778][   T10]      ip6_route_add+0x1c/0x140
[ 3924.571778][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3924.571778][   T10]      addrconf_add_dev+0xe2/0x170
[ 3924.571778][   T10]      inet6_addr_add+0x12f/0xa40
[ 3924.571778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.571778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.571778][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.571778][   T10]      netlink_unicast+0x449/0x710
[ 3924.571778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.571778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.571778][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.571778][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.571778][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.571778][   T10] 
[ 3924.574015][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.574015][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3924.574015][   T10]      ipv6_find_idev+0x102/0x170
[ 3924.574015][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3924.574015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.574015][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.574015][   T10]      netlink_unicast+0x449/0x710
[ 3924.574015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.574015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.574015][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.574015][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.574015][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.574015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.574015][   T10] 
[ 3924.575731][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3924.575731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3924.575731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3924.575731][   T10]      ipv6_find_idev+0x102/0x170
[ 3924.575731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3924.575731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.575731][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.575731][   T10]      netlink_unicast+0x449/0x710
[ 3924.575731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.575731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.575731][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.575731][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.575731][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.575731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.575731][   T10] 
[ 3924.578543][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3924.578827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.578827][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3924.578827][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3924.578827][   T10]      fib6_nh_init+0xa22/0x1580
[ 3924.578827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.578827][   T10]      ip6_route_add+0x1c/0x140
[ 3924.578827][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3924.578827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.578827][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.578827][   T10]      netlink_unicast+0x449/0x710
[ 3924.578827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.578827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.578827][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.578827][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.578827][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.578827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.578827][   T10] 
[ 3924.580963][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.580963][   T10]      dst_init+0x84/0x4a0
[ 3924.580963][   T10]      dst_alloc+0x97/0x150
[ 3924.580963][   T10]      ip6_dst_alloc+0x23/0x90
[ 3924.580963][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3924.580963][   T10]      ip6_pol_route+0x56f/0x840
[ 3924.580963][   T10]      fib6_rule_lookup+0x456/0x630
[ 3924.580963][   T10]      ip6_route_input+0x59c/0xa50
[ 3924.580963][   T10]      ipv6_rcv+0x397/0x810
[ 3924.580963][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3924.580963][   T10]      process_backlog+0x101/0x620
[ 3924.580963][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3924.580963][   T10]      net_rx_action+0x495/0xbe0
[ 3924.580963][   T10]      __do_softirq+0x1b5/0x7f6
[ 3924.580963][   T10] 
[ 3924.582789][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.582789][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.582789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.582789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.582789][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3924.582789][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3924.582789][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3924.582789][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3924.582789][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3924.582789][   T10]      addrconf_dad_begin+0x310/0x670
[ 3924.582789][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3924.582789][   T10]      process_one_work+0x84d/0x18a0
[ 3924.582789][   T10]      worker_thread+0x587/0xd30
[ 3924.582789][   T10]      kthread+0x28a/0x350
[ 3924.582789][   T10]      ret_from_fork+0x31/0x70
[ 3924.582789][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3924.582789][   T10] 
[ 3924.584955][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.584955][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.584955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.584955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.584955][   T10]      ip6_route_add+0x1c/0x140
[ 3924.584955][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3924.584955][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3924.584955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.584955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.584955][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.584955][   T10]      netlink_unicast+0x449/0x710
[ 3924.584955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.584955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.584955][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.584955][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.584955][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.584955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.584955][   T10] 
[ 3924.587175][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.587175][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.587175][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.587175][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.587175][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3924.587175][   T10]      ipv6_add_addr+0x411/0x2000
[ 3924.587175][   T10]      inet6_addr_add+0x30e/0xa40
[ 3924.587175][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.587175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.587175][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.587175][   T10]      netlink_unicast+0x449/0x710
[ 3924.587175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.587175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.587175][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.587175][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.587175][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.587175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.587175][   T10] 
[ 3924.589413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.589413][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.589413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.589413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.589413][   T10]      ip6_route_add+0x1c/0x140
[ 3924.589413][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3924.589413][   T10]      addrconf_add_dev+0xe2/0x170
[ 3924.589413][   T10]      inet6_addr_add+0x12f/0xa40
[ 3924.589413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.589413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.589413][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.589413][   T10]      netlink_unicast+0x449/0x710
[ 3924.589413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.589413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.589413][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.589413][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.589413][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.589413][   T10] 
[ 3924.591680][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.591680][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3924.591680][   T10]      ipv6_find_idev+0x102/0x170
[ 3924.591680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3924.591680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.591680][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.591680][   T10]      netlink_unicast+0x449/0x710
[ 3924.591680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.591680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.591680][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.591680][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.591680][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.591680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.591680][   T10] 
[ 3924.593522][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3924.593522][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3924.593522][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3924.593522][   T10]      ipv6_find_idev+0x102/0x170
[ 3924.593522][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3924.593522][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.593522][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.593522][   T10]      netlink_unicast+0x449/0x710
[ 3924.593522][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.593522][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.593522][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.593522][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.593522][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.593522][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.593522][   T10] 
[ 3924.595533][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3924.595803][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3924.595803][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.595803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.595803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.595803][   T10]      ip6_route_add+0x1c/0x140
[ 3924.595803][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3924.595803][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3924.595803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.595803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.595803][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.595803][   T10]      netlink_unicast+0x449/0x710
[ 3924.595803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.595803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.595803][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.595803][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.595803][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.595803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.595803][   T10] 
[ 3924.598174][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3924.598174][   T10]      netdev_get_by_index+0x5e/0x80
[ 3924.598174][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3924.598174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3924.598174][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3924.598174][   T10]      ipv6_add_addr+0x411/0x2000
[ 3924.598174][   T10]      inet6_addr_add+0x30e/0xa40
[ 3924.598174][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3924.598174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.598174][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.598174][   T10]      netlink_unicast+0x449/0x710
[ 3924.598174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.598174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.598174][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.598174][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.598174][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.598174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.598174][   T10] 
[ 3924.600533][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3924.600533][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3924.600533][   T10]      ipv6_find_idev+0x102/0x170
[ 3924.600533][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3924.600533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.600533][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.600533][   T10]      netlink_unicast+0x449/0x710
[ 3924.600533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.600533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.600533][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.600533][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.600533][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.600533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.600533][   T10] 
[ 3924.602303][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3924.602303][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3924.602303][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3924.602303][   T10]      ipv6_find_idev+0x102/0x170
[ 3924.602303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3924.602303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3924.602303][   T10]      netlink_rcv_skb+0x130/0x360
[ 3924.602303][   T10]      netlink_unicast+0x449/0x710
[ 3924.602303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3924.602303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3924.602303][   T10]      ___sys_sendmsg+0xee/0x170
[ 3924.602303][   T10]      __sys_sendmsg+0xcd/0x170
[ 3924.602303][   T10]      do_syscall_64+0xc6/0x1e0
[ 3924.602303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3924.602303][   T10] 
[ 3934.840705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3934.841285][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.841285][   T10]      dst_init+0x84/0x4a0
[ 3934.841285][   T10]      dst_alloc+0x97/0x150
[ 3934.841285][   T10]      ip6_dst_alloc+0x23/0x90
[ 3934.841285][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3934.841285][   T10]      ip6_pol_route+0x56f/0x840
[ 3934.841285][   T10]      fib6_rule_lookup+0x456/0x630
[ 3934.841285][   T10]      ip6_route_input+0x59c/0xa50
[ 3934.841285][   T10]      ipv6_rcv+0x397/0x810
[ 3934.841285][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3934.841285][   T10]      process_backlog+0x101/0x620
[ 3934.841285][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3934.841285][   T10]      net_rx_action+0x495/0xbe0
[ 3934.841285][   T10]      __do_softirq+0x1b5/0x7f6
[ 3934.841285][   T10] 
[ 3934.843264][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.843264][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3934.843264][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3934.843264][   T10]      fib6_nh_init+0xa22/0x1580
[ 3934.843264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.843264][   T10]      ip6_route_add+0x1c/0x140
[ 3934.843264][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3934.843264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.843264][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.843264][   T10]      netlink_unicast+0x449/0x710
[ 3934.843264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.843264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.843264][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.843264][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.843264][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.843264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.843264][   T10] 
[ 3934.845366][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.845366][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.845366][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.845366][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.845366][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3934.845366][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3934.845366][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3934.845366][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3934.845366][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3934.845366][   T10]      addrconf_dad_begin+0x310/0x670
[ 3934.845366][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3934.845366][   T10]      process_one_work+0x84d/0x18a0
[ 3934.845366][   T10]      worker_thread+0x587/0xd30
[ 3934.845366][   T10]      kthread+0x28a/0x350
[ 3934.845366][   T10]      ret_from_fork+0x31/0x70
[ 3934.845366][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3934.845366][   T10] 
[ 3934.847503][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.847503][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.847503][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.847503][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.847503][   T10]      ip6_route_add+0x1c/0x140
[ 3934.847503][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3934.847503][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3934.847503][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.847503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.847503][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.847503][   T10]      netlink_unicast+0x449/0x710
[ 3934.847503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.847503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.847503][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.847503][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.847503][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.847503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.847503][   T10] 
[ 3934.849803][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.849803][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.849803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.849803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.849803][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3934.849803][   T10]      ipv6_add_addr+0x411/0x2000
[ 3934.849803][   T10]      inet6_addr_add+0x30e/0xa40
[ 3934.849803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.849803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.849803][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.849803][   T10]      netlink_unicast+0x449/0x710
[ 3934.849803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.849803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.849803][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.849803][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.849803][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.849803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.849803][   T10] 
[ 3934.852055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.852055][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.852055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.852055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.852055][   T10]      ip6_route_add+0x1c/0x140
[ 3934.852055][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3934.852055][   T10]      addrconf_add_dev+0xe2/0x170
[ 3934.852055][   T10]      inet6_addr_add+0x12f/0xa40
[ 3934.852055][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.852055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.852055][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.852055][   T10]      netlink_unicast+0x449/0x710
[ 3934.852055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.852055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.852055][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.852055][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.852055][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.852055][   T10] 
[ 3934.854256][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.854256][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3934.854256][   T10]      ipv6_find_idev+0x102/0x170
[ 3934.854256][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3934.854256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.854256][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.854256][   T10]      netlink_unicast+0x449/0x710
[ 3934.854256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.854256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.854256][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.854256][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.854256][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.854256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.854256][   T10] 
[ 3934.855968][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3934.855968][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3934.855968][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3934.855968][   T10]      ipv6_find_idev+0x102/0x170
[ 3934.855968][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3934.855968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.855968][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.855968][   T10]      netlink_unicast+0x449/0x710
[ 3934.855968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.855968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.855968][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.855968][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.855968][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.855968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.855968][   T10] 
[ 3934.857884][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3934.858146][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.858146][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3934.858146][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3934.858146][   T10]      fib6_nh_init+0xa22/0x1580
[ 3934.858146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.858146][   T10]      ip6_route_add+0x1c/0x140
[ 3934.858146][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3934.858146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.858146][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.858146][   T10]      netlink_unicast+0x449/0x710
[ 3934.858146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.858146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.858146][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.858146][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.858146][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.858146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.858146][   T10] 
[ 3934.860248][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.860248][   T10]      dst_init+0x84/0x4a0
[ 3934.860248][   T10]      dst_alloc+0x97/0x150
[ 3934.860248][   T10]      ip6_dst_alloc+0x23/0x90
[ 3934.860248][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3934.860248][   T10]      ip6_pol_route+0x56f/0x840
[ 3934.860248][   T10]      fib6_rule_lookup+0x456/0x630
[ 3934.860248][   T10]      ip6_route_input+0x59c/0xa50
[ 3934.860248][   T10]      ipv6_rcv+0x397/0x810
[ 3934.860248][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3934.860248][   T10]      process_backlog+0x101/0x620
[ 3934.860248][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3934.860248][   T10]      net_rx_action+0x495/0xbe0
[ 3934.860248][   T10]      __do_softirq+0x1b5/0x7f6
[ 3934.860248][   T10] 
[ 3934.862069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.862069][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.862069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.862069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.862069][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3934.862069][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3934.862069][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3934.862069][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3934.862069][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3934.862069][   T10]      addrconf_dad_begin+0x310/0x670
[ 3934.862069][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3934.862069][   T10]      process_one_work+0x84d/0x18a0
[ 3934.862069][   T10]      worker_thread+0x587/0xd30
[ 3934.862069][   T10]      kthread+0x28a/0x350
[ 3934.862069][   T10]      ret_from_fork+0x31/0x70
[ 3934.862069][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3934.862069][   T10] 
[ 3934.864192][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.864192][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.864192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.864192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.864192][   T10]      ip6_route_add+0x1c/0x140
[ 3934.864192][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3934.864192][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3934.864192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.864192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.864192][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.864192][   T10]      netlink_unicast+0x449/0x710
[ 3934.864192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.864192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.864192][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.864192][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.864192][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.864192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.864192][   T10] 
[ 3934.866406][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.866406][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.866406][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.866406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.866406][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3934.866406][   T10]      ipv6_add_addr+0x411/0x2000
[ 3934.866406][   T10]      inet6_addr_add+0x30e/0xa40
[ 3934.866406][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.866406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.866406][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.866406][   T10]      netlink_unicast+0x449/0x710
[ 3934.866406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.866406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.866406][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.866406][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.866406][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.866406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.866406][   T10] 
[ 3934.868631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.868631][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.868631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.868631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.868631][   T10]      ip6_route_add+0x1c/0x140
[ 3934.868631][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3934.868631][   T10]      addrconf_add_dev+0xe2/0x170
[ 3934.868631][   T10]      inet6_addr_add+0x12f/0xa40
[ 3934.868631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.868631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.868631][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.868631][   T10]      netlink_unicast+0x449/0x710
[ 3934.868631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.868631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.868631][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.868631][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.868631][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.868631][   T10] 
[ 3934.870941][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.870941][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3934.870941][   T10]      ipv6_find_idev+0x102/0x170
[ 3934.870941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3934.870941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.870941][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.870941][   T10]      netlink_unicast+0x449/0x710
[ 3934.870941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.870941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.870941][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.870941][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.870941][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.870941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.870941][   T10] 
[ 3934.872790][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3934.872790][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3934.872790][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3934.872790][   T10]      ipv6_find_idev+0x102/0x170
[ 3934.872790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3934.872790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.872790][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.872790][   T10]      netlink_unicast+0x449/0x710
[ 3934.872790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.872790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.872790][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.872790][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.872790][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.872790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.872790][   T10] 
[ 3934.874788][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3934.875056][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3934.875056][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.875056][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.875056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.875056][   T10]      ip6_route_add+0x1c/0x140
[ 3934.875056][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3934.875056][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3934.875056][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.875056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.875056][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.875056][   T10]      netlink_unicast+0x449/0x710
[ 3934.875056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.875056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.875056][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.875056][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.875056][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.875056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.875056][   T10] 
[ 3934.877432][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3934.877432][   T10]      netdev_get_by_index+0x5e/0x80
[ 3934.877432][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3934.877432][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3934.877432][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3934.877432][   T10]      ipv6_add_addr+0x411/0x2000
[ 3934.877432][   T10]      inet6_addr_add+0x30e/0xa40
[ 3934.877432][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3934.877432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.877432][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.877432][   T10]      netlink_unicast+0x449/0x710
[ 3934.877432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.877432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.877432][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.877432][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.877432][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.877432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.877432][   T10] 
[ 3934.879799][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3934.879799][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3934.879799][   T10]      ipv6_find_idev+0x102/0x170
[ 3934.879799][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3934.879799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.879799][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.879799][   T10]      netlink_unicast+0x449/0x710
[ 3934.879799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.879799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.879799][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.879799][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.879799][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.879799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.879799][   T10] 
[ 3934.881651][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3934.881651][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3934.881651][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3934.881651][   T10]      ipv6_find_idev+0x102/0x170
[ 3934.881651][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3934.881651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3934.881651][   T10]      netlink_rcv_skb+0x130/0x360
[ 3934.881651][   T10]      netlink_unicast+0x449/0x710
[ 3934.881651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3934.881651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3934.881651][   T10]      ___sys_sendmsg+0xee/0x170
[ 3934.881651][   T10]      __sys_sendmsg+0xcd/0x170
[ 3934.881651][   T10]      do_syscall_64+0xc6/0x1e0
[ 3934.881651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3934.881651][   T10] 
[ 3945.120716][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3945.121267][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.121267][   T10]      dst_init+0x84/0x4a0
[ 3945.121267][   T10]      dst_alloc+0x97/0x150
[ 3945.121267][   T10]      ip6_dst_alloc+0x23/0x90
[ 3945.121267][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3945.121267][   T10]      ip6_pol_route+0x56f/0x840
[ 3945.121267][   T10]      fib6_rule_lookup+0x456/0x630
[ 3945.121267][   T10]      ip6_route_input+0x59c/0xa50
[ 3945.121267][   T10]      ipv6_rcv+0x397/0x810
[ 3945.121267][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3945.121267][   T10]      process_backlog+0x101/0x620
[ 3945.121267][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3945.121267][   T10]      net_rx_action+0x495/0xbe0
[ 3945.121267][   T10]      __do_softirq+0x1b5/0x7f6
[ 3945.121267][   T10] 
[ 3945.123238][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.123238][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3945.123238][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3945.123238][   T10]      fib6_nh_init+0xa22/0x1580
[ 3945.123238][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.123238][   T10]      ip6_route_add+0x1c/0x140
[ 3945.123238][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3945.123238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.123238][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.123238][   T10]      netlink_unicast+0x449/0x710
[ 3945.123238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.123238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.123238][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.123238][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.123238][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.123238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.123238][   T10] 
[ 3945.125379][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.125379][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.125379][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.125379][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.125379][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3945.125379][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3945.125379][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3945.125379][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3945.125379][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3945.125379][   T10]      addrconf_dad_begin+0x310/0x670
[ 3945.125379][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3945.125379][   T10]      process_one_work+0x84d/0x18a0
[ 3945.125379][   T10]      worker_thread+0x587/0xd30
[ 3945.125379][   T10]      kthread+0x28a/0x350
[ 3945.125379][   T10]      ret_from_fork+0x31/0x70
[ 3945.125379][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3945.125379][   T10] 
[ 3945.127544][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.127544][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.127544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.127544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.127544][   T10]      ip6_route_add+0x1c/0x140
[ 3945.127544][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3945.127544][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3945.127544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.127544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.127544][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.127544][   T10]      netlink_unicast+0x449/0x710
[ 3945.127544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.127544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.127544][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.127544][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.127544][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.127544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.127544][   T10] 
[ 3945.129781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.129781][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.129781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.129781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.129781][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3945.129781][   T10]      ipv6_add_addr+0x411/0x2000
[ 3945.129781][   T10]      inet6_addr_add+0x30e/0xa40
[ 3945.129781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.129781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.129781][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.129781][   T10]      netlink_unicast+0x449/0x710
[ 3945.129781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.129781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.129781][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.129781][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.129781][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.129781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.129781][   T10] 
[ 3945.132006][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.132006][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.132006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.132006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.132006][   T10]      ip6_route_add+0x1c/0x140
[ 3945.132006][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3945.132006][   T10]      addrconf_add_dev+0xe2/0x170
[ 3945.132006][   T10]      inet6_addr_add+0x12f/0xa40
[ 3945.132006][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.132006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.132006][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.132006][   T10]      netlink_unicast+0x449/0x710
[ 3945.132006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.132006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.132006][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.132006][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.132006][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.132006][   T10] 
[ 3945.134223][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.134223][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3945.134223][   T10]      ipv6_find_idev+0x102/0x170
[ 3945.134223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3945.134223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.134223][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.134223][   T10]      netlink_unicast+0x449/0x710
[ 3945.134223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.134223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.134223][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.134223][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.134223][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.134223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.134223][   T10] 
[ 3945.135966][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3945.135966][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3945.135966][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3945.135966][   T10]      ipv6_find_idev+0x102/0x170
[ 3945.135966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3945.135966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.135966][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.135966][   T10]      netlink_unicast+0x449/0x710
[ 3945.135966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.135966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.135966][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.135966][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.135966][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.135966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.135966][   T10] 
[ 3945.137888][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3945.138155][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.138155][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3945.138155][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3945.138155][   T10]      fib6_nh_init+0xa22/0x1580
[ 3945.138155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.138155][   T10]      ip6_route_add+0x1c/0x140
[ 3945.138155][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3945.138155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.138155][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.138155][   T10]      netlink_unicast+0x449/0x710
[ 3945.138155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.138155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.138155][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.138155][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.138155][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.138155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.138155][   T10] 
[ 3945.140273][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.140273][   T10]      dst_init+0x84/0x4a0
[ 3945.140273][   T10]      dst_alloc+0x97/0x150
[ 3945.140273][   T10]      ip6_dst_alloc+0x23/0x90
[ 3945.140273][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3945.140273][   T10]      ip6_pol_route+0x56f/0x840
[ 3945.140273][   T10]      fib6_rule_lookup+0x456/0x630
[ 3945.140273][   T10]      ip6_route_input+0x59c/0xa50
[ 3945.140273][   T10]      ipv6_rcv+0x397/0x810
[ 3945.140273][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3945.140273][   T10]      process_backlog+0x101/0x620
[ 3945.140273][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3945.140273][   T10]      net_rx_action+0x495/0xbe0
[ 3945.140273][   T10]      __do_softirq+0x1b5/0x7f6
[ 3945.140273][   T10] 
[ 3945.142108][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.142108][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.142108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.142108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.142108][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3945.142108][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3945.142108][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3945.142108][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3945.142108][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3945.142108][   T10]      addrconf_dad_begin+0x310/0x670
[ 3945.142108][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3945.142108][   T10]      process_one_work+0x84d/0x18a0
[ 3945.142108][   T10]      worker_thread+0x587/0xd30
[ 3945.142108][   T10]      kthread+0x28a/0x350
[ 3945.142108][   T10]      ret_from_fork+0x31/0x70
[ 3945.142108][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3945.142108][   T10] 
[ 3945.144230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.144230][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.144230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.144230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.144230][   T10]      ip6_route_add+0x1c/0x140
[ 3945.144230][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3945.144230][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3945.144230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.144230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.144230][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.144230][   T10]      netlink_unicast+0x449/0x710
[ 3945.144230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.144230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.144230][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.144230][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.144230][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.144230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.144230][   T10] 
[ 3945.146477][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.146477][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.146477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.146477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.146477][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3945.146477][   T10]      ipv6_add_addr+0x411/0x2000
[ 3945.146477][   T10]      inet6_addr_add+0x30e/0xa40
[ 3945.146477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.146477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.146477][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.146477][   T10]      netlink_unicast+0x449/0x710
[ 3945.146477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.146477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.146477][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.146477][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.146477][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.146477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.146477][   T10] 
[ 3945.148732][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.148732][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.148732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.148732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.148732][   T10]      ip6_route_add+0x1c/0x140
[ 3945.148732][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3945.148732][   T10]      addrconf_add_dev+0xe2/0x170
[ 3945.148732][   T10]      inet6_addr_add+0x12f/0xa40
[ 3945.148732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.148732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.148732][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.148732][   T10]      netlink_unicast+0x449/0x710
[ 3945.148732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.148732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.148732][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.148732][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.148732][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.148732][   T10] 
[ 3945.150994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.150994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3945.150994][   T10]      ipv6_find_idev+0x102/0x170
[ 3945.150994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3945.150994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.150994][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.150994][   T10]      netlink_unicast+0x449/0x710
[ 3945.150994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.150994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.150994][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.150994][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.150994][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.150994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.150994][   T10] 
[ 3945.152846][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3945.152846][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3945.152846][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3945.152846][   T10]      ipv6_find_idev+0x102/0x170
[ 3945.152846][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3945.152846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.152846][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.152846][   T10]      netlink_unicast+0x449/0x710
[ 3945.152846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.152846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.152846][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.152846][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.152846][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.152846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.152846][   T10] 
[ 3945.154907][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3945.155170][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3945.155170][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.155170][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.155170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.155170][   T10]      ip6_route_add+0x1c/0x140
[ 3945.155170][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3945.155170][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3945.155170][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.155170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.155170][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.155170][   T10]      netlink_unicast+0x449/0x710
[ 3945.155170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.155170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.155170][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.155170][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.155170][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.155170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.155170][   T10] 
[ 3945.157566][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3945.157566][   T10]      netdev_get_by_index+0x5e/0x80
[ 3945.157566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3945.157566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3945.157566][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3945.157566][   T10]      ipv6_add_addr+0x411/0x2000
[ 3945.157566][   T10]      inet6_addr_add+0x30e/0xa40
[ 3945.157566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3945.157566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.157566][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.157566][   T10]      netlink_unicast+0x449/0x710
[ 3945.157566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.157566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.157566][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.157566][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.157566][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.157566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.157566][   T10] 
[ 3945.159948][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3945.159948][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3945.159948][   T10]      ipv6_find_idev+0x102/0x170
[ 3945.159948][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3945.159948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.159948][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.159948][   T10]      netlink_unicast+0x449/0x710
[ 3945.159948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.159948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.159948][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.159948][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.159948][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.159948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.159948][   T10] 
[ 3945.161801][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3945.161801][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3945.161801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3945.161801][   T10]      ipv6_find_idev+0x102/0x170
[ 3945.161801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3945.161801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3945.161801][   T10]      netlink_rcv_skb+0x130/0x360
[ 3945.161801][   T10]      netlink_unicast+0x449/0x710
[ 3945.161801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3945.161801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3945.161801][   T10]      ___sys_sendmsg+0xee/0x170
[ 3945.161801][   T10]      __sys_sendmsg+0xcd/0x170
[ 3945.161801][   T10]      do_syscall_64+0xc6/0x1e0
[ 3945.161801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3945.161801][   T10] 
[ 3955.400697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3955.401222][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.401222][   T10]      dst_init+0x84/0x4a0
[ 3955.401222][   T10]      dst_alloc+0x97/0x150
[ 3955.401222][   T10]      ip6_dst_alloc+0x23/0x90
[ 3955.401222][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3955.401222][   T10]      ip6_pol_route+0x56f/0x840
[ 3955.401222][   T10]      fib6_rule_lookup+0x456/0x630
[ 3955.401222][   T10]      ip6_route_input+0x59c/0xa50
[ 3955.401222][   T10]      ipv6_rcv+0x397/0x810
[ 3955.401222][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3955.401222][   T10]      process_backlog+0x101/0x620
[ 3955.401222][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3955.401222][   T10]      net_rx_action+0x495/0xbe0
[ 3955.401222][   T10]      __do_softirq+0x1b5/0x7f6
[ 3955.401222][   T10] 
[ 3955.403142][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.403142][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3955.403142][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3955.403142][   T10]      fib6_nh_init+0xa22/0x1580
[ 3955.403142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.403142][   T10]      ip6_route_add+0x1c/0x140
[ 3955.403142][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3955.403142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.403142][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.403142][   T10]      netlink_unicast+0x449/0x710
[ 3955.403142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.403142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.403142][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.403142][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.403142][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.403142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.403142][   T10] 
[ 3955.405233][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.405233][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.405233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.405233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.405233][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3955.405233][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3955.405233][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3955.405233][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3955.405233][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3955.405233][   T10]      addrconf_dad_begin+0x310/0x670
[ 3955.405233][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3955.405233][   T10]      process_one_work+0x84d/0x18a0
[ 3955.405233][   T10]      worker_thread+0x587/0xd30
[ 3955.405233][   T10]      kthread+0x28a/0x350
[ 3955.405233][   T10]      ret_from_fork+0x31/0x70
[ 3955.405233][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3955.405233][   T10] 
[ 3955.407371][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.407371][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.407371][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.407371][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.407371][   T10]      ip6_route_add+0x1c/0x140
[ 3955.407371][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3955.407371][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3955.407371][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.407371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.407371][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.407371][   T10]      netlink_unicast+0x449/0x710
[ 3955.407371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.407371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.407371][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.407371][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.407371][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.407371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.407371][   T10] 
[ 3955.409621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.409621][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.409621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.409621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.409621][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3955.409621][   T10]      ipv6_add_addr+0x411/0x2000
[ 3955.409621][   T10]      inet6_addr_add+0x30e/0xa40
[ 3955.409621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.409621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.409621][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.409621][   T10]      netlink_unicast+0x449/0x710
[ 3955.409621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.409621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.409621][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.409621][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.409621][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.409621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.409621][   T10] 
[ 3955.411863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.411863][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.411863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.411863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.411863][   T10]      ip6_route_add+0x1c/0x140
[ 3955.411863][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3955.411863][   T10]      addrconf_add_dev+0xe2/0x170
[ 3955.411863][   T10]      inet6_addr_add+0x12f/0xa40
[ 3955.411863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.411863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.411863][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.411863][   T10]      netlink_unicast+0x449/0x710
[ 3955.411863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.411863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.411863][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.411863][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.411863][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.411863][   T10] 
[ 3955.414038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.414038][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3955.414038][   T10]      ipv6_find_idev+0x102/0x170
[ 3955.414038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3955.414038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.414038][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.414038][   T10]      netlink_unicast+0x449/0x710
[ 3955.414038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.414038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.414038][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.414038][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.414038][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.414038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.414038][   T10] 
[ 3955.415769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3955.415769][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3955.415769][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3955.415769][   T10]      ipv6_find_idev+0x102/0x170
[ 3955.415769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3955.415769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.415769][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.415769][   T10]      netlink_unicast+0x449/0x710
[ 3955.415769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.415769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.415769][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.415769][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.415769][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.415769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.415769][   T10] 
[ 3955.417673][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3955.417942][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.417942][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3955.417942][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3955.417942][   T10]      fib6_nh_init+0xa22/0x1580
[ 3955.417942][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.417942][   T10]      ip6_route_add+0x1c/0x140
[ 3955.417942][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3955.417942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.417942][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.417942][   T10]      netlink_unicast+0x449/0x710
[ 3955.417942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.417942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.417942][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.417942][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.417942][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.417942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.417942][   T10] 
[ 3955.420046][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.420046][   T10]      dst_init+0x84/0x4a0
[ 3955.420046][   T10]      dst_alloc+0x97/0x150
[ 3955.420046][   T10]      ip6_dst_alloc+0x23/0x90
[ 3955.420046][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3955.420046][   T10]      ip6_pol_route+0x56f/0x840
[ 3955.420046][   T10]      fib6_rule_lookup+0x456/0x630
[ 3955.420046][   T10]      ip6_route_input+0x59c/0xa50
[ 3955.420046][   T10]      ipv6_rcv+0x397/0x810
[ 3955.420046][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3955.420046][   T10]      process_backlog+0x101/0x620
[ 3955.420046][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3955.420046][   T10]      net_rx_action+0x495/0xbe0
[ 3955.420046][   T10]      __do_softirq+0x1b5/0x7f6
[ 3955.420046][   T10] 
[ 3955.421900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.421900][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.421900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.421900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.421900][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3955.421900][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3955.421900][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3955.421900][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3955.421900][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3955.421900][   T10]      addrconf_dad_begin+0x310/0x670
[ 3955.421900][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3955.421900][   T10]      process_one_work+0x84d/0x18a0
[ 3955.421900][   T10]      worker_thread+0x587/0xd30
[ 3955.421900][   T10]      kthread+0x28a/0x350
[ 3955.421900][   T10]      ret_from_fork+0x31/0x70
[ 3955.421900][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3955.421900][   T10] 
[ 3955.424037][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.424037][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.424037][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.424037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.424037][   T10]      ip6_route_add+0x1c/0x140
[ 3955.424037][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3955.424037][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3955.424037][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.424037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.424037][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.424037][   T10]      netlink_unicast+0x449/0x710
[ 3955.424037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.424037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.424037][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.424037][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.424037][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.424037][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.424037][   T10] 
[ 3955.426810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.426810][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.426810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.426810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.426810][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3955.426810][   T10]      ipv6_add_addr+0x411/0x2000
[ 3955.426810][   T10]      inet6_addr_add+0x30e/0xa40
[ 3955.426810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.426810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.426810][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.426810][   T10]      netlink_unicast+0x449/0x710
[ 3955.426810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.426810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.426810][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.426810][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.426810][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.426810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.426810][   T10] 
[ 3955.429558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.429558][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.429558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.429558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.429558][   T10]      ip6_route_add+0x1c/0x140
[ 3955.429558][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3955.429558][   T10]      addrconf_add_dev+0xe2/0x170
[ 3955.429558][   T10]      inet6_addr_add+0x12f/0xa40
[ 3955.429558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.429558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.429558][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.429558][   T10]      netlink_unicast+0x449/0x710
[ 3955.429558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.429558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.429558][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.429558][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.429558][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.429558][   T10] 
[ 3955.431903][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.431903][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3955.431903][   T10]      ipv6_find_idev+0x102/0x170
[ 3955.431903][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3955.431903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.431903][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.431903][   T10]      netlink_unicast+0x449/0x710
[ 3955.431903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.431903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.431903][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.431903][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.431903][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.431903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.431903][   T10] 
[ 3955.433811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3955.433811][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3955.433811][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3955.433811][   T10]      ipv6_find_idev+0x102/0x170
[ 3955.433811][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3955.433811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.433811][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.433811][   T10]      netlink_unicast+0x449/0x710
[ 3955.433811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.433811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.433811][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.433811][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.433811][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.433811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.433811][   T10] 
[ 3955.435867][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3955.436223][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3955.436223][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.436223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.436223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.436223][   T10]      ip6_route_add+0x1c/0x140
[ 3955.436223][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3955.436223][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3955.436223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.436223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.436223][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.436223][   T10]      netlink_unicast+0x449/0x710
[ 3955.436223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.436223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.436223][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.436223][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.436223][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.436223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.436223][   T10] 
[ 3955.438721][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3955.438721][   T10]      netdev_get_by_index+0x5e/0x80
[ 3955.438721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3955.438721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3955.438721][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3955.438721][   T10]      ipv6_add_addr+0x411/0x2000
[ 3955.438721][   T10]      inet6_addr_add+0x30e/0xa40
[ 3955.438721][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3955.438721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.438721][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.438721][   T10]      netlink_unicast+0x449/0x710
[ 3955.438721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.438721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.438721][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.438721][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.438721][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.438721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.438721][   T10] 
[ 3955.441154][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3955.441154][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3955.441154][   T10]      ipv6_find_idev+0x102/0x170
[ 3955.441154][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3955.441154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.441154][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.441154][   T10]      netlink_unicast+0x449/0x710
[ 3955.441154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.441154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.441154][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.441154][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.441154][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.441154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.441154][   T10] 
[ 3955.443057][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3955.443057][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3955.443057][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3955.443057][   T10]      ipv6_find_idev+0x102/0x170
[ 3955.443057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3955.443057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3955.443057][   T10]      netlink_rcv_skb+0x130/0x360
[ 3955.443057][   T10]      netlink_unicast+0x449/0x710
[ 3955.443057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3955.443057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3955.443057][   T10]      ___sys_sendmsg+0xee/0x170
[ 3955.443057][   T10]      __sys_sendmsg+0xcd/0x170
[ 3955.443057][   T10]      do_syscall_64+0xc6/0x1e0
[ 3955.443057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3955.443057][   T10] 
[ 3965.680702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3965.681239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.681239][   T10]      dst_init+0x84/0x4a0
[ 3965.681239][   T10]      dst_alloc+0x97/0x150
[ 3965.681239][   T10]      ip6_dst_alloc+0x23/0x90
[ 3965.681239][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3965.681239][   T10]      ip6_pol_route+0x56f/0x840
[ 3965.681239][   T10]      fib6_rule_lookup+0x456/0x630
[ 3965.681239][   T10]      ip6_route_input+0x59c/0xa50
[ 3965.681239][   T10]      ipv6_rcv+0x397/0x810
[ 3965.681239][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3965.681239][   T10]      process_backlog+0x101/0x620
[ 3965.681239][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3965.681239][   T10]      net_rx_action+0x495/0xbe0
[ 3965.681239][   T10]      __do_softirq+0x1b5/0x7f6
[ 3965.681239][   T10] 
[ 3965.683148][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.683148][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3965.683148][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3965.683148][   T10]      fib6_nh_init+0xa22/0x1580
[ 3965.683148][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.683148][   T10]      ip6_route_add+0x1c/0x140
[ 3965.683148][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3965.683148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.683148][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.683148][   T10]      netlink_unicast+0x449/0x710
[ 3965.683148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.683148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.683148][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.683148][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.683148][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.683148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.683148][   T10] 
[ 3965.685265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.685265][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.685265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.685265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.685265][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3965.685265][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3965.685265][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3965.685265][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3965.685265][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3965.685265][   T10]      addrconf_dad_begin+0x310/0x670
[ 3965.685265][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3965.685265][   T10]      process_one_work+0x84d/0x18a0
[ 3965.685265][   T10]      worker_thread+0x587/0xd30
[ 3965.685265][   T10]      kthread+0x28a/0x350
[ 3965.685265][   T10]      ret_from_fork+0x31/0x70
[ 3965.685265][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3965.685265][   T10] 
[ 3965.687440][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.687440][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.687440][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.687440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.687440][   T10]      ip6_route_add+0x1c/0x140
[ 3965.687440][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3965.687440][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3965.687440][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.687440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.687440][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.687440][   T10]      netlink_unicast+0x449/0x710
[ 3965.687440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.687440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.687440][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.687440][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.687440][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.687440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.687440][   T10] 
[ 3965.689690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.689690][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.689690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.689690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.689690][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3965.689690][   T10]      ipv6_add_addr+0x411/0x2000
[ 3965.689690][   T10]      inet6_addr_add+0x30e/0xa40
[ 3965.689690][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.689690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.689690][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.689690][   T10]      netlink_unicast+0x449/0x710
[ 3965.689690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.689690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.689690][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.689690][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.689690][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.689690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.689690][   T10] 
[ 3965.692444][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.692444][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.692444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.692444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.692444][   T10]      ip6_route_add+0x1c/0x140
[ 3965.692444][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3965.692444][   T10]      addrconf_add_dev+0xe2/0x170
[ 3965.692444][   T10]      inet6_addr_add+0x12f/0xa40
[ 3965.692444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.692444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.692444][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.692444][   T10]      netlink_unicast+0x449/0x710
[ 3965.692444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.692444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.692444][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.692444][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.692444][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.692444][   T10] 
[ 3965.694618][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.694618][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3965.694618][   T10]      ipv6_find_idev+0x102/0x170
[ 3965.694618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3965.694618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.694618][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.694618][   T10]      netlink_unicast+0x449/0x710
[ 3965.694618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.694618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.694618][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.694618][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.694618][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.694618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.694618][   T10] 
[ 3965.696320][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3965.696320][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3965.696320][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3965.696320][   T10]      ipv6_find_idev+0x102/0x170
[ 3965.696320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3965.696320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.696320][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.696320][   T10]      netlink_unicast+0x449/0x710
[ 3965.696320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.696320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.696320][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.696320][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.696320][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.696320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.696320][   T10] 
[ 3965.698235][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3965.698499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.698499][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3965.698499][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3965.698499][   T10]      fib6_nh_init+0xa22/0x1580
[ 3965.698499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.698499][   T10]      ip6_route_add+0x1c/0x140
[ 3965.698499][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3965.698499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.698499][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.698499][   T10]      netlink_unicast+0x449/0x710
[ 3965.698499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.698499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.698499][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.698499][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.698499][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.698499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.698499][   T10] 
[ 3965.700640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.700640][   T10]      dst_init+0x84/0x4a0
[ 3965.700640][   T10]      dst_alloc+0x97/0x150
[ 3965.700640][   T10]      ip6_dst_alloc+0x23/0x90
[ 3965.700640][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3965.700640][   T10]      ip6_pol_route+0x56f/0x840
[ 3965.700640][   T10]      fib6_rule_lookup+0x456/0x630
[ 3965.700640][   T10]      ip6_route_input+0x59c/0xa50
[ 3965.700640][   T10]      ipv6_rcv+0x397/0x810
[ 3965.700640][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3965.700640][   T10]      process_backlog+0x101/0x620
[ 3965.700640][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3965.700640][   T10]      net_rx_action+0x495/0xbe0
[ 3965.700640][   T10]      __do_softirq+0x1b5/0x7f6
[ 3965.700640][   T10] 
[ 3965.702495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.702495][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.702495][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.702495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.702495][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3965.702495][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3965.702495][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3965.702495][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3965.702495][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3965.702495][   T10]      addrconf_dad_begin+0x310/0x670
[ 3965.702495][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3965.702495][   T10]      process_one_work+0x84d/0x18a0
[ 3965.702495][   T10]      worker_thread+0x587/0xd30
[ 3965.702495][   T10]      kthread+0x28a/0x350
[ 3965.702495][   T10]      ret_from_fork+0x31/0x70
[ 3965.702495][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3965.702495][   T10] 
[ 3965.704613][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.704613][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.704613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.704613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.704613][   T10]      ip6_route_add+0x1c/0x140
[ 3965.704613][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3965.704613][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3965.704613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.704613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.704613][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.704613][   T10]      netlink_unicast+0x449/0x710
[ 3965.704613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.704613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.704613][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.704613][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.704613][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.704613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.704613][   T10] 
[ 3965.706864][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.706864][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.706864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.706864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.706864][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3965.706864][   T10]      ipv6_add_addr+0x411/0x2000
[ 3965.706864][   T10]      inet6_addr_add+0x30e/0xa40
[ 3965.706864][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.706864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.706864][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.706864][   T10]      netlink_unicast+0x449/0x710
[ 3965.706864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.706864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.706864][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.706864][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.706864][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.706864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.706864][   T10] 
[ 3965.709118][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.709118][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.709118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.709118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.709118][   T10]      ip6_route_add+0x1c/0x140
[ 3965.709118][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3965.709118][   T10]      addrconf_add_dev+0xe2/0x170
[ 3965.709118][   T10]      inet6_addr_add+0x12f/0xa40
[ 3965.709118][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.709118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.709118][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.709118][   T10]      netlink_unicast+0x449/0x710
[ 3965.709118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.709118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.709118][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.709118][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.709118][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.709118][   T10] 
[ 3965.711495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.711495][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3965.711495][   T10]      ipv6_find_idev+0x102/0x170
[ 3965.711495][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3965.711495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.711495][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.711495][   T10]      netlink_unicast+0x449/0x710
[ 3965.711495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.711495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.711495][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.711495][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.711495][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.711495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.711495][   T10] 
[ 3965.713452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3965.713452][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3965.713452][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3965.713452][   T10]      ipv6_find_idev+0x102/0x170
[ 3965.713452][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3965.713452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.713452][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.713452][   T10]      netlink_unicast+0x449/0x710
[ 3965.713452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.713452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.713452][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.713452][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.713452][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.713452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.713452][   T10] 
[ 3965.715507][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3965.715845][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3965.715845][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.715845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.715845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.715845][   T10]      ip6_route_add+0x1c/0x140
[ 3965.715845][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3965.715845][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3965.715845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.715845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.715845][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.715845][   T10]      netlink_unicast+0x449/0x710
[ 3965.715845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.715845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.715845][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.715845][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.715845][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.715845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.715845][   T10] 
[ 3965.718688][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3965.718688][   T10]      netdev_get_by_index+0x5e/0x80
[ 3965.718688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3965.718688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3965.718688][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3965.718688][   T10]      ipv6_add_addr+0x411/0x2000
[ 3965.718688][   T10]      inet6_addr_add+0x30e/0xa40
[ 3965.718688][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3965.718688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.718688][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.718688][   T10]      netlink_unicast+0x449/0x710
[ 3965.718688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.718688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.718688][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.718688][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.718688][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.718688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.718688][   T10] 
[ 3965.721174][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3965.721174][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3965.721174][   T10]      ipv6_find_idev+0x102/0x170
[ 3965.721174][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3965.721174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.721174][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.721174][   T10]      netlink_unicast+0x449/0x710
[ 3965.721174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.721174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.721174][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.721174][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.721174][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.721174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.721174][   T10] 
[ 3965.723151][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3965.723151][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3965.723151][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3965.723151][   T10]      ipv6_find_idev+0x102/0x170
[ 3965.723151][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3965.723151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3965.723151][   T10]      netlink_rcv_skb+0x130/0x360
[ 3965.723151][   T10]      netlink_unicast+0x449/0x710
[ 3965.723151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3965.723151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3965.723151][   T10]      ___sys_sendmsg+0xee/0x170
[ 3965.723151][   T10]      __sys_sendmsg+0xcd/0x170
[ 3965.723151][   T10]      do_syscall_64+0xc6/0x1e0
[ 3965.723151][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3965.723151][   T10] 
[ 3975.960704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3975.961133][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.961133][   T10]      dst_init+0x84/0x4a0
[ 3975.961133][   T10]      dst_alloc+0x97/0x150
[ 3975.961133][   T10]      ip6_dst_alloc+0x23/0x90
[ 3975.961133][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3975.961133][   T10]      ip6_pol_route+0x56f/0x840
[ 3975.961133][   T10]      fib6_rule_lookup+0x456/0x630
[ 3975.961133][   T10]      ip6_route_input+0x59c/0xa50
[ 3975.961133][   T10]      ipv6_rcv+0x397/0x810
[ 3975.961133][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3975.961133][   T10]      process_backlog+0x101/0x620
[ 3975.961133][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3975.961133][   T10]      net_rx_action+0x495/0xbe0
[ 3975.961133][   T10]      __do_softirq+0x1b5/0x7f6
[ 3975.961133][   T10] 
[ 3975.962997][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.962997][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3975.962997][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3975.962997][   T10]      fib6_nh_init+0xa22/0x1580
[ 3975.962997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.962997][   T10]      ip6_route_add+0x1c/0x140
[ 3975.962997][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3975.962997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.962997][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.962997][   T10]      netlink_unicast+0x449/0x710
[ 3975.962997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.962997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.962997][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.962997][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.962997][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.962997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.962997][   T10] 
[ 3975.965116][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.965116][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.965116][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.965116][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.965116][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3975.965116][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3975.965116][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3975.965116][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3975.965116][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3975.965116][   T10]      addrconf_dad_begin+0x310/0x670
[ 3975.965116][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3975.965116][   T10]      process_one_work+0x84d/0x18a0
[ 3975.965116][   T10]      worker_thread+0x587/0xd30
[ 3975.965116][   T10]      kthread+0x28a/0x350
[ 3975.965116][   T10]      ret_from_fork+0x31/0x70
[ 3975.965116][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3975.965116][   T10] 
[ 3975.967270][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.967270][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.967270][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.967270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.967270][   T10]      ip6_route_add+0x1c/0x140
[ 3975.967270][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3975.967270][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3975.967270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.967270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.967270][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.967270][   T10]      netlink_unicast+0x449/0x710
[ 3975.967270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.967270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.967270][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.967270][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.967270][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.967270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.967270][   T10] 
[ 3975.969503][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.969503][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.969503][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.969503][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.969503][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3975.969503][   T10]      ipv6_add_addr+0x411/0x2000
[ 3975.969503][   T10]      inet6_addr_add+0x30e/0xa40
[ 3975.969503][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.969503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.969503][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.969503][   T10]      netlink_unicast+0x449/0x710
[ 3975.969503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.969503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.969503][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.969503][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.969503][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.969503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.969503][   T10] 
[ 3975.971737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.971737][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.971737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.971737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.971737][   T10]      ip6_route_add+0x1c/0x140
[ 3975.971737][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3975.971737][   T10]      addrconf_add_dev+0xe2/0x170
[ 3975.971737][   T10]      inet6_addr_add+0x12f/0xa40
[ 3975.971737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.971737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.971737][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.971737][   T10]      netlink_unicast+0x449/0x710
[ 3975.971737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.971737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.971737][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.971737][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.971737][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.971737][   T10] 
[ 3975.973967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.973967][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3975.973967][   T10]      ipv6_find_idev+0x102/0x170
[ 3975.973967][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3975.973967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.973967][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.973967][   T10]      netlink_unicast+0x449/0x710
[ 3975.973967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.973967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.973967][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.973967][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.973967][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.973967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.973967][   T10] 
[ 3975.975686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3975.975686][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3975.975686][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3975.975686][   T10]      ipv6_find_idev+0x102/0x170
[ 3975.975686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3975.975686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.975686][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.975686][   T10]      netlink_unicast+0x449/0x710
[ 3975.975686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.975686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.975686][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.975686][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.975686][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.975686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.975686][   T10] 
[ 3975.977565][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3975.977838][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.977838][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3975.977838][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3975.977838][   T10]      fib6_nh_init+0xa22/0x1580
[ 3975.977838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.977838][   T10]      ip6_route_add+0x1c/0x140
[ 3975.977838][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3975.977838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.977838][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.977838][   T10]      netlink_unicast+0x449/0x710
[ 3975.977838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.977838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.977838][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.977838][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.977838][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.977838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.977838][   T10] 
[ 3975.979974][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.979974][   T10]      dst_init+0x84/0x4a0
[ 3975.979974][   T10]      dst_alloc+0x97/0x150
[ 3975.979974][   T10]      ip6_dst_alloc+0x23/0x90
[ 3975.979974][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3975.979974][   T10]      ip6_pol_route+0x56f/0x840
[ 3975.979974][   T10]      fib6_rule_lookup+0x456/0x630
[ 3975.979974][   T10]      ip6_route_input+0x59c/0xa50
[ 3975.979974][   T10]      ipv6_rcv+0x397/0x810
[ 3975.979974][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3975.979974][   T10]      process_backlog+0x101/0x620
[ 3975.979974][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3975.979974][   T10]      net_rx_action+0x495/0xbe0
[ 3975.979974][   T10]      __do_softirq+0x1b5/0x7f6
[ 3975.979974][   T10] 
[ 3975.981817][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.981817][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.981817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.981817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.981817][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3975.981817][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3975.981817][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3975.981817][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3975.981817][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3975.981817][   T10]      addrconf_dad_begin+0x310/0x670
[ 3975.981817][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3975.981817][   T10]      process_one_work+0x84d/0x18a0
[ 3975.981817][   T10]      worker_thread+0x587/0xd30
[ 3975.981817][   T10]      kthread+0x28a/0x350
[ 3975.981817][   T10]      ret_from_fork+0x31/0x70
[ 3975.981817][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3975.981817][   T10] 
[ 3975.983922][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.983922][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.983922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.983922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.983922][   T10]      ip6_route_add+0x1c/0x140
[ 3975.983922][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3975.983922][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3975.983922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.983922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.983922][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.983922][   T10]      netlink_unicast+0x449/0x710
[ 3975.983922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.983922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.983922][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.983922][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.983922][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.983922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.983922][   T10] 
[ 3975.986143][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.986143][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.986143][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.986143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.986143][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3975.986143][   T10]      ipv6_add_addr+0x411/0x2000
[ 3975.986143][   T10]      inet6_addr_add+0x30e/0xa40
[ 3975.986143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.986143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.986143][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.986143][   T10]      netlink_unicast+0x449/0x710
[ 3975.986143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.986143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.986143][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.986143][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.986143][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.986143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.986143][   T10] 
[ 3975.988392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.988392][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.988392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.988392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.988392][   T10]      ip6_route_add+0x1c/0x140
[ 3975.988392][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3975.988392][   T10]      addrconf_add_dev+0xe2/0x170
[ 3975.988392][   T10]      inet6_addr_add+0x12f/0xa40
[ 3975.988392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.988392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.988392][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.988392][   T10]      netlink_unicast+0x449/0x710
[ 3975.988392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.988392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.988392][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.988392][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.988392][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.988392][   T10] 
[ 3975.990777][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.990777][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3975.990777][   T10]      ipv6_find_idev+0x102/0x170
[ 3975.990777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3975.990777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.990777][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.990777][   T10]      netlink_unicast+0x449/0x710
[ 3975.990777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.990777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.990777][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.990777][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.990777][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.990777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.990777][   T10] 
[ 3975.992667][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3975.992667][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3975.992667][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3975.992667][   T10]      ipv6_find_idev+0x102/0x170
[ 3975.992667][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3975.992667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.992667][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.992667][   T10]      netlink_unicast+0x449/0x710
[ 3975.992667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.992667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.992667][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.992667][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.992667][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.992667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.992667][   T10] 
[ 3975.994790][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3975.995116][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3975.995116][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.995116][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.995116][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.995116][   T10]      ip6_route_add+0x1c/0x140
[ 3975.995116][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3975.995116][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3975.995116][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.995116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.995116][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.995116][   T10]      netlink_unicast+0x449/0x710
[ 3975.995116][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.995116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.995116][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.995116][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.995116][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.995116][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.995116][   T10] 
[ 3975.997533][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3975.997533][   T10]      netdev_get_by_index+0x5e/0x80
[ 3975.997533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3975.997533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3975.997533][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3975.997533][   T10]      ipv6_add_addr+0x411/0x2000
[ 3975.997533][   T10]      inet6_addr_add+0x30e/0xa40
[ 3975.997533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3975.997533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.997533][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.997533][   T10]      netlink_unicast+0x449/0x710
[ 3975.997533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.997533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.997533][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.997533][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.997533][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.997533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.997533][   T10] 
[ 3975.999950][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3975.999950][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3975.999950][   T10]      ipv6_find_idev+0x102/0x170
[ 3975.999950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3975.999950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3975.999950][   T10]      netlink_rcv_skb+0x130/0x360
[ 3975.999950][   T10]      netlink_unicast+0x449/0x710
[ 3975.999950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3975.999950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3975.999950][   T10]      ___sys_sendmsg+0xee/0x170
[ 3975.999950][   T10]      __sys_sendmsg+0xcd/0x170
[ 3975.999950][   T10]      do_syscall_64+0xc6/0x1e0
[ 3975.999950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3975.999950][   T10] 
[ 3976.001875][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3976.001875][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3976.001875][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3976.001875][   T10]      ipv6_find_idev+0x102/0x170
[ 3976.001875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3976.001875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3976.001875][   T10]      netlink_rcv_skb+0x130/0x360
[ 3976.001875][   T10]      netlink_unicast+0x449/0x710
[ 3976.001875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3976.001875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3976.001875][   T10]      ___sys_sendmsg+0xee/0x170
[ 3976.001875][   T10]      __sys_sendmsg+0xcd/0x170
[ 3976.001875][   T10]      do_syscall_64+0xc6/0x1e0
[ 3976.001875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3976.001875][   T10] 
[ 3986.242754][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3986.243187][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.243187][   T10]      dst_init+0x84/0x4a0
[ 3986.243187][   T10]      dst_alloc+0x97/0x150
[ 3986.243187][   T10]      ip6_dst_alloc+0x23/0x90
[ 3986.243187][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3986.243187][   T10]      ip6_pol_route+0x56f/0x840
[ 3986.243187][   T10]      fib6_rule_lookup+0x456/0x630
[ 3986.243187][   T10]      ip6_route_input+0x59c/0xa50
[ 3986.243187][   T10]      ipv6_rcv+0x397/0x810
[ 3986.243187][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3986.243187][   T10]      process_backlog+0x101/0x620
[ 3986.243187][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3986.243187][   T10]      net_rx_action+0x495/0xbe0
[ 3986.243187][   T10]      __do_softirq+0x1b5/0x7f6
[ 3986.243187][   T10] 
[ 3986.245040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.245040][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3986.245040][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3986.245040][   T10]      fib6_nh_init+0xa22/0x1580
[ 3986.245040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.245040][   T10]      ip6_route_add+0x1c/0x140
[ 3986.245040][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3986.245040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.245040][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.245040][   T10]      netlink_unicast+0x449/0x710
[ 3986.245040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.245040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.245040][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.245040][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.245040][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.245040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.245040][   T10] 
[ 3986.247148][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.247148][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.247148][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.247148][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.247148][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3986.247148][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3986.247148][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3986.247148][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3986.247148][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3986.247148][   T10]      addrconf_dad_begin+0x310/0x670
[ 3986.247148][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3986.247148][   T10]      process_one_work+0x84d/0x18a0
[ 3986.247148][   T10]      worker_thread+0x587/0xd30
[ 3986.247148][   T10]      kthread+0x28a/0x350
[ 3986.247148][   T10]      ret_from_fork+0x31/0x70
[ 3986.247148][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3986.247148][   T10] 
[ 3986.249293][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.249293][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.249293][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.249293][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.249293][   T10]      ip6_route_add+0x1c/0x140
[ 3986.249293][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3986.249293][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3986.249293][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.249293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.249293][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.249293][   T10]      netlink_unicast+0x449/0x710
[ 3986.249293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.249293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.249293][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.249293][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.249293][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.249293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.249293][   T10] 
[ 3986.251525][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.251525][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.251525][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.251525][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.251525][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3986.251525][   T10]      ipv6_add_addr+0x411/0x2000
[ 3986.251525][   T10]      inet6_addr_add+0x30e/0xa40
[ 3986.251525][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.251525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.251525][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.251525][   T10]      netlink_unicast+0x449/0x710
[ 3986.251525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.251525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.251525][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.251525][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.251525][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.251525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.251525][   T10] 
[ 3986.253739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.253739][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.253739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.253739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.253739][   T10]      ip6_route_add+0x1c/0x140
[ 3986.253739][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3986.253739][   T10]      addrconf_add_dev+0xe2/0x170
[ 3986.253739][   T10]      inet6_addr_add+0x12f/0xa40
[ 3986.253739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.253739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.253739][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.253739][   T10]      netlink_unicast+0x449/0x710
[ 3986.253739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.253739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.253739][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.253739][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.253739][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.253739][   T10] 
[ 3986.255931][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.255931][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3986.255931][   T10]      ipv6_find_idev+0x102/0x170
[ 3986.255931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3986.255931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.255931][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.255931][   T10]      netlink_unicast+0x449/0x710
[ 3986.255931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.255931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.255931][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.255931][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.255931][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.255931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.255931][   T10] 
[ 3986.257665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3986.257665][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3986.257665][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3986.257665][   T10]      ipv6_find_idev+0x102/0x170
[ 3986.257665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3986.257665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.257665][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.257665][   T10]      netlink_unicast+0x449/0x710
[ 3986.257665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.257665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.257665][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.257665][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.257665][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.257665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.257665][   T10] 
[ 3986.259594][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3986.259854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.259854][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3986.259854][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3986.259854][   T10]      fib6_nh_init+0xa22/0x1580
[ 3986.259854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.259854][   T10]      ip6_route_add+0x1c/0x140
[ 3986.259854][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3986.259854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.259854][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.259854][   T10]      netlink_unicast+0x449/0x710
[ 3986.259854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.259854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.259854][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.259854][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.259854][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.259854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.259854][   T10] 
[ 3986.261949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.261949][   T10]      dst_init+0x84/0x4a0
[ 3986.261949][   T10]      dst_alloc+0x97/0x150
[ 3986.261949][   T10]      ip6_dst_alloc+0x23/0x90
[ 3986.261949][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3986.261949][   T10]      ip6_pol_route+0x56f/0x840
[ 3986.261949][   T10]      fib6_rule_lookup+0x456/0x630
[ 3986.261949][   T10]      ip6_route_input+0x59c/0xa50
[ 3986.261949][   T10]      ipv6_rcv+0x397/0x810
[ 3986.261949][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3986.261949][   T10]      process_backlog+0x101/0x620
[ 3986.261949][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3986.261949][   T10]      net_rx_action+0x495/0xbe0
[ 3986.261949][   T10]      __do_softirq+0x1b5/0x7f6
[ 3986.261949][   T10] 
[ 3986.263787][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.263787][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.263787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.263787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.263787][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3986.263787][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3986.263787][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3986.263787][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3986.263787][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3986.263787][   T10]      addrconf_dad_begin+0x310/0x670
[ 3986.263787][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3986.263787][   T10]      process_one_work+0x84d/0x18a0
[ 3986.263787][   T10]      worker_thread+0x587/0xd30
[ 3986.263787][   T10]      kthread+0x28a/0x350
[ 3986.263787][   T10]      ret_from_fork+0x31/0x70
[ 3986.263787][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3986.263787][   T10] 
[ 3986.265928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.265928][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.265928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.265928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.265928][   T10]      ip6_route_add+0x1c/0x140
[ 3986.265928][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3986.265928][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3986.265928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.265928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.265928][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.265928][   T10]      netlink_unicast+0x449/0x710
[ 3986.265928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.265928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.265928][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.265928][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.265928][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.265928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.265928][   T10] 
[ 3986.268159][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.268159][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.268159][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.268159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.268159][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3986.268159][   T10]      ipv6_add_addr+0x411/0x2000
[ 3986.268159][   T10]      inet6_addr_add+0x30e/0xa40
[ 3986.268159][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.268159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.268159][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.268159][   T10]      netlink_unicast+0x449/0x710
[ 3986.268159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.268159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.268159][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.268159][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.268159][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.268159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.268159][   T10] 
[ 3986.270374][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.270374][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.270374][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.270374][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.270374][   T10]      ip6_route_add+0x1c/0x140
[ 3986.270374][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3986.270374][   T10]      addrconf_add_dev+0xe2/0x170
[ 3986.270374][   T10]      inet6_addr_add+0x12f/0xa40
[ 3986.270374][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.270374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.270374][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.270374][   T10]      netlink_unicast+0x449/0x710
[ 3986.270374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.270374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.270374][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.270374][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.270374][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.270374][   T10] 
[ 3986.272745][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.272745][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3986.272745][   T10]      ipv6_find_idev+0x102/0x170
[ 3986.272745][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3986.272745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.272745][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.272745][   T10]      netlink_unicast+0x449/0x710
[ 3986.272745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.272745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.272745][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.272745][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.272745][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.272745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.272745][   T10] 
[ 3986.274727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3986.274727][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3986.274727][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3986.274727][   T10]      ipv6_find_idev+0x102/0x170
[ 3986.274727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3986.274727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.274727][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.274727][   T10]      netlink_unicast+0x449/0x710
[ 3986.274727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.274727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.274727][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.274727][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.274727][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.274727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.274727][   T10] 
[ 3986.276784][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3986.277127][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3986.277127][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.277127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.277127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.277127][   T10]      ip6_route_add+0x1c/0x140
[ 3986.277127][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3986.277127][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3986.277127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.277127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.277127][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.277127][   T10]      netlink_unicast+0x449/0x710
[ 3986.277127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.277127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.277127][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.277127][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.277127][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.277127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.277127][   T10] 
[ 3986.279568][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3986.279568][   T10]      netdev_get_by_index+0x5e/0x80
[ 3986.279568][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3986.279568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3986.279568][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3986.279568][   T10]      ipv6_add_addr+0x411/0x2000
[ 3986.279568][   T10]      inet6_addr_add+0x30e/0xa40
[ 3986.279568][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3986.279568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.279568][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.279568][   T10]      netlink_unicast+0x449/0x710
[ 3986.279568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.279568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.279568][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.279568][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.279568][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.279568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.279568][   T10] 
[ 3986.282034][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3986.282034][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3986.282034][   T10]      ipv6_find_idev+0x102/0x170
[ 3986.282034][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3986.282034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.282034][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.282034][   T10]      netlink_unicast+0x449/0x710
[ 3986.282034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.282034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.282034][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.282034][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.282034][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.282034][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.282034][   T10] 
[ 3986.284003][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3986.284003][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3986.284003][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3986.284003][   T10]      ipv6_find_idev+0x102/0x170
[ 3986.284003][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3986.284003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3986.284003][   T10]      netlink_rcv_skb+0x130/0x360
[ 3986.284003][   T10]      netlink_unicast+0x449/0x710
[ 3986.284003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3986.284003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3986.284003][   T10]      ___sys_sendmsg+0xee/0x170
[ 3986.284003][   T10]      __sys_sendmsg+0xcd/0x170
[ 3986.284003][   T10]      do_syscall_64+0xc6/0x1e0
[ 3986.284003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3986.284003][   T10] 
[ 3996.528726][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3996.529179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.529179][   T10]      dst_init+0x84/0x4a0
[ 3996.529179][   T10]      dst_alloc+0x97/0x150
[ 3996.529179][   T10]      ip6_dst_alloc+0x23/0x90
[ 3996.529179][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3996.529179][   T10]      ip6_pol_route+0x56f/0x840
[ 3996.529179][   T10]      fib6_rule_lookup+0x456/0x630
[ 3996.529179][   T10]      ip6_route_input+0x59c/0xa50
[ 3996.529179][   T10]      ipv6_rcv+0x397/0x810
[ 3996.529179][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3996.529179][   T10]      process_backlog+0x101/0x620
[ 3996.529179][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3996.529179][   T10]      net_rx_action+0x495/0xbe0
[ 3996.529179][   T10]      __do_softirq+0x1b5/0x7f6
[ 3996.529179][   T10] 
[ 3996.531037][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.531037][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3996.531037][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3996.531037][   T10]      fib6_nh_init+0xa22/0x1580
[ 3996.531037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.531037][   T10]      ip6_route_add+0x1c/0x140
[ 3996.531037][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3996.531037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.531037][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.531037][   T10]      netlink_unicast+0x449/0x710
[ 3996.531037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.531037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.531037][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.531037][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.531037][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.531037][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.531037][   T10] 
[ 3996.533145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.533145][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.533145][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.533145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.533145][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3996.533145][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3996.533145][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3996.533145][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3996.533145][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3996.533145][   T10]      addrconf_dad_begin+0x310/0x670
[ 3996.533145][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3996.533145][   T10]      process_one_work+0x84d/0x18a0
[ 3996.533145][   T10]      worker_thread+0x587/0xd30
[ 3996.533145][   T10]      kthread+0x28a/0x350
[ 3996.533145][   T10]      ret_from_fork+0x31/0x70
[ 3996.533145][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3996.533145][   T10] 
[ 3996.535259][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.535259][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.535259][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.535259][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.535259][   T10]      ip6_route_add+0x1c/0x140
[ 3996.535259][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3996.535259][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3996.535259][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.535259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.535259][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.535259][   T10]      netlink_unicast+0x449/0x710
[ 3996.535259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.535259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.535259][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.535259][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.535259][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.535259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.535259][   T10] 
[ 3996.537502][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.537502][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.537502][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.537502][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.537502][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3996.537502][   T10]      ipv6_add_addr+0x411/0x2000
[ 3996.537502][   T10]      inet6_addr_add+0x30e/0xa40
[ 3996.537502][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.537502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.537502][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.537502][   T10]      netlink_unicast+0x449/0x710
[ 3996.537502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.537502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.537502][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.537502][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.537502][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.537502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.537502][   T10] 
[ 3996.539763][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.539763][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.539763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.539763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.539763][   T10]      ip6_route_add+0x1c/0x140
[ 3996.539763][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3996.539763][   T10]      addrconf_add_dev+0xe2/0x170
[ 3996.539763][   T10]      inet6_addr_add+0x12f/0xa40
[ 3996.539763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.539763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.539763][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.539763][   T10]      netlink_unicast+0x449/0x710
[ 3996.539763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.539763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.539763][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.539763][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.539763][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.539763][   T10] 
[ 3996.542003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.542003][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3996.542003][   T10]      ipv6_find_idev+0x102/0x170
[ 3996.542003][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3996.542003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.542003][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.542003][   T10]      netlink_unicast+0x449/0x710
[ 3996.542003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.542003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.542003][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.542003][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.542003][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.542003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.542003][   T10] 
[ 3996.543721][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 3996.543721][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3996.543721][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3996.543721][   T10]      ipv6_find_idev+0x102/0x170
[ 3996.543721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3996.543721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.543721][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.543721][   T10]      netlink_unicast+0x449/0x710
[ 3996.543721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.543721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.543721][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.543721][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.543721][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.543721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.543721][   T10] 
[ 3996.545617][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 3996.545878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.545878][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 3996.545878][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 3996.545878][   T10]      fib6_nh_init+0xa22/0x1580
[ 3996.545878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.545878][   T10]      ip6_route_add+0x1c/0x140
[ 3996.545878][   T10]      inet6_rtm_newroute+0x104/0x110
[ 3996.545878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.545878][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.545878][   T10]      netlink_unicast+0x449/0x710
[ 3996.545878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.545878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.545878][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.545878][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.545878][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.545878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.545878][   T10] 
[ 3996.548004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.548004][   T10]      dst_init+0x84/0x4a0
[ 3996.548004][   T10]      dst_alloc+0x97/0x150
[ 3996.548004][   T10]      ip6_dst_alloc+0x23/0x90
[ 3996.548004][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 3996.548004][   T10]      ip6_pol_route+0x56f/0x840
[ 3996.548004][   T10]      fib6_rule_lookup+0x456/0x630
[ 3996.548004][   T10]      ip6_route_input+0x59c/0xa50
[ 3996.548004][   T10]      ipv6_rcv+0x397/0x810
[ 3996.548004][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 3996.548004][   T10]      process_backlog+0x101/0x620
[ 3996.548004][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 3996.548004][   T10]      net_rx_action+0x495/0xbe0
[ 3996.548004][   T10]      __do_softirq+0x1b5/0x7f6
[ 3996.548004][   T10] 
[ 3996.549850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.549850][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.549850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.549850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.549850][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 3996.549850][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 3996.549850][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 3996.549850][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 3996.549850][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 3996.549850][   T10]      addrconf_dad_begin+0x310/0x670
[ 3996.549850][   T10]      addrconf_dad_work+0x10b/0xab0
[ 3996.549850][   T10]      process_one_work+0x84d/0x18a0
[ 3996.549850][   T10]      worker_thread+0x587/0xd30
[ 3996.549850][   T10]      kthread+0x28a/0x350
[ 3996.549850][   T10]      ret_from_fork+0x31/0x70
[ 3996.549850][   T10]      ret_from_fork_asm+0x1a/0x30
[ 3996.549850][   T10] 
[ 3996.551999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.551999][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.551999][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.551999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.551999][   T10]      ip6_route_add+0x1c/0x140
[ 3996.551999][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3996.551999][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3996.551999][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.551999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.551999][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.551999][   T10]      netlink_unicast+0x449/0x710
[ 3996.551999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.551999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.551999][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.551999][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.551999][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.551999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.551999][   T10] 
[ 3996.554228][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.554228][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.554228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.554228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.554228][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3996.554228][   T10]      ipv6_add_addr+0x411/0x2000
[ 3996.554228][   T10]      inet6_addr_add+0x30e/0xa40
[ 3996.554228][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.554228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.554228][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.554228][   T10]      netlink_unicast+0x449/0x710
[ 3996.554228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.554228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.554228][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.554228][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.554228][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.554228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.554228][   T10] 
[ 3996.556451][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.556451][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.556451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.556451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.556451][   T10]      ip6_route_add+0x1c/0x140
[ 3996.556451][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 3996.556451][   T10]      addrconf_add_dev+0xe2/0x170
[ 3996.556451][   T10]      inet6_addr_add+0x12f/0xa40
[ 3996.556451][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.556451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.556451][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.556451][   T10]      netlink_unicast+0x449/0x710
[ 3996.556451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.556451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.556451][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.556451][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.556451][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.556451][   T10] 
[ 3996.558768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.558768][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3996.558768][   T10]      ipv6_find_idev+0x102/0x170
[ 3996.558768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3996.558768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.558768][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.558768][   T10]      netlink_unicast+0x449/0x710
[ 3996.558768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.558768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.558768][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.558768][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.558768][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.558768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.558768][   T10] 
[ 3996.560664][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 3996.560664][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3996.560664][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3996.560664][   T10]      ipv6_find_idev+0x102/0x170
[ 3996.560664][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3996.560664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.560664][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.560664][   T10]      netlink_unicast+0x449/0x710
[ 3996.560664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.560664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.560664][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.560664][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.560664][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.560664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.560664][   T10] 
[ 3996.562804][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 3996.563135][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3996.563135][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.563135][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.563135][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.563135][   T10]      ip6_route_add+0x1c/0x140
[ 3996.563135][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 3996.563135][   T10]      inet6_addr_add+0x4f8/0xa40
[ 3996.563135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.563135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.563135][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.563135][   T10]      netlink_unicast+0x449/0x710
[ 3996.563135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.563135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.563135][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.563135][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.563135][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.563135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.563135][   T10] 
[ 3996.565548][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3996.565548][   T10]      netdev_get_by_index+0x5e/0x80
[ 3996.565548][   T10]      fib6_nh_init+0x3d8/0x1580
[ 3996.565548][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 3996.565548][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 3996.565548][   T10]      ipv6_add_addr+0x411/0x2000
[ 3996.565548][   T10]      inet6_addr_add+0x30e/0xa40
[ 3996.565548][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 3996.565548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.565548][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.565548][   T10]      netlink_unicast+0x449/0x710
[ 3996.565548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.565548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.565548][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.565548][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.565548][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.565548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.565548][   T10] 
[ 3996.567988][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3996.567988][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 3996.567988][   T10]      ipv6_find_idev+0x102/0x170
[ 3996.567988][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3996.567988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.567988][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.567988][   T10]      netlink_unicast+0x449/0x710
[ 3996.567988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.567988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.567988][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.567988][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.567988][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.567988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.567988][   T10] 
[ 3996.569897][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 3996.569897][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 3996.569897][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 3996.569897][   T10]      ipv6_find_idev+0x102/0x170
[ 3996.569897][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 3996.569897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 3996.569897][   T10]      netlink_rcv_skb+0x130/0x360
[ 3996.569897][   T10]      netlink_unicast+0x449/0x710
[ 3996.569897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 3996.569897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 3996.569897][   T10]      ___sys_sendmsg+0xee/0x170
[ 3996.569897][   T10]      __sys_sendmsg+0xcd/0x170
[ 3996.569897][   T10]      do_syscall_64+0xc6/0x1e0
[ 3996.569897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 3996.569897][   T10] 
[ 4006.810756][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4006.811177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.811177][   T10]      dst_init+0x84/0x4a0
[ 4006.811177][   T10]      dst_alloc+0x97/0x150
[ 4006.811177][   T10]      ip6_dst_alloc+0x23/0x90
[ 4006.811177][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4006.811177][   T10]      ip6_pol_route+0x56f/0x840
[ 4006.811177][   T10]      fib6_rule_lookup+0x456/0x630
[ 4006.811177][   T10]      ip6_route_input+0x59c/0xa50
[ 4006.811177][   T10]      ipv6_rcv+0x397/0x810
[ 4006.811177][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4006.811177][   T10]      process_backlog+0x101/0x620
[ 4006.811177][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4006.811177][   T10]      net_rx_action+0x495/0xbe0
[ 4006.811177][   T10]      __do_softirq+0x1b5/0x7f6
[ 4006.811177][   T10] 
[ 4006.813063][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.813063][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4006.813063][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4006.813063][   T10]      fib6_nh_init+0xa22/0x1580
[ 4006.813063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.813063][   T10]      ip6_route_add+0x1c/0x140
[ 4006.813063][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4006.813063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.813063][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.813063][   T10]      netlink_unicast+0x449/0x710
[ 4006.813063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.813063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.813063][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.813063][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.813063][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.813063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.813063][   T10] 
[ 4006.815163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.815163][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.815163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.815163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.815163][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4006.815163][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4006.815163][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4006.815163][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4006.815163][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4006.815163][   T10]      addrconf_dad_begin+0x310/0x670
[ 4006.815163][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4006.815163][   T10]      process_one_work+0x84d/0x18a0
[ 4006.815163][   T10]      worker_thread+0x587/0xd30
[ 4006.815163][   T10]      kthread+0x28a/0x350
[ 4006.815163][   T10]      ret_from_fork+0x31/0x70
[ 4006.815163][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4006.815163][   T10] 
[ 4006.817336][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.817336][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.817336][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.817336][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.817336][   T10]      ip6_route_add+0x1c/0x140
[ 4006.817336][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4006.817336][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4006.817336][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.817336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.817336][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.817336][   T10]      netlink_unicast+0x449/0x710
[ 4006.817336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.817336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.817336][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.817336][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.817336][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.817336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.817336][   T10] 
[ 4006.819582][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.819582][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.819582][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.819582][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.819582][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4006.819582][   T10]      ipv6_add_addr+0x411/0x2000
[ 4006.819582][   T10]      inet6_addr_add+0x30e/0xa40
[ 4006.819582][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.819582][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.819582][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.819582][   T10]      netlink_unicast+0x449/0x710
[ 4006.819582][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.819582][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.819582][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.819582][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.819582][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.819582][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.819582][   T10] 
[ 4006.821815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.821815][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.821815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.821815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.821815][   T10]      ip6_route_add+0x1c/0x140
[ 4006.821815][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4006.821815][   T10]      addrconf_add_dev+0xe2/0x170
[ 4006.821815][   T10]      inet6_addr_add+0x12f/0xa40
[ 4006.821815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.821815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.821815][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.821815][   T10]      netlink_unicast+0x449/0x710
[ 4006.821815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.821815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.821815][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.821815][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.821815][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.821815][   T10] 
[ 4006.824009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.824009][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4006.824009][   T10]      ipv6_find_idev+0x102/0x170
[ 4006.824009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4006.824009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.824009][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.824009][   T10]      netlink_unicast+0x449/0x710
[ 4006.824009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.824009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.824009][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.824009][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.824009][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.824009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.824009][   T10] 
[ 4006.825755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4006.825755][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4006.825755][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4006.825755][   T10]      ipv6_find_idev+0x102/0x170
[ 4006.825755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4006.825755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.825755][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.825755][   T10]      netlink_unicast+0x449/0x710
[ 4006.825755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.825755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.825755][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.825755][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.825755][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.825755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.825755][   T10] 
[ 4006.827705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4006.827974][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.827974][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4006.827974][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4006.827974][   T10]      fib6_nh_init+0xa22/0x1580
[ 4006.827974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.827974][   T10]      ip6_route_add+0x1c/0x140
[ 4006.827974][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4006.827974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.827974][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.827974][   T10]      netlink_unicast+0x449/0x710
[ 4006.827974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.827974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.827974][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.827974][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.827974][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.827974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.827974][   T10] 
[ 4006.830075][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.830075][   T10]      dst_init+0x84/0x4a0
[ 4006.830075][   T10]      dst_alloc+0x97/0x150
[ 4006.830075][   T10]      ip6_dst_alloc+0x23/0x90
[ 4006.830075][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4006.830075][   T10]      ip6_pol_route+0x56f/0x840
[ 4006.830075][   T10]      fib6_rule_lookup+0x456/0x630
[ 4006.830075][   T10]      ip6_route_input+0x59c/0xa50
[ 4006.830075][   T10]      ipv6_rcv+0x397/0x810
[ 4006.830075][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4006.830075][   T10]      process_backlog+0x101/0x620
[ 4006.830075][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4006.830075][   T10]      net_rx_action+0x495/0xbe0
[ 4006.830075][   T10]      __do_softirq+0x1b5/0x7f6
[ 4006.830075][   T10] 
[ 4006.831899][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.831899][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.831899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.831899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.831899][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4006.831899][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4006.831899][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4006.831899][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4006.831899][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4006.831899][   T10]      addrconf_dad_begin+0x310/0x670
[ 4006.831899][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4006.831899][   T10]      process_one_work+0x84d/0x18a0
[ 4006.831899][   T10]      worker_thread+0x587/0xd30
[ 4006.831899][   T10]      kthread+0x28a/0x350
[ 4006.831899][   T10]      ret_from_fork+0x31/0x70
[ 4006.831899][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4006.831899][   T10] 
[ 4006.834015][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.834015][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.834015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.834015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.834015][   T10]      ip6_route_add+0x1c/0x140
[ 4006.834015][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4006.834015][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4006.834015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.834015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.834015][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.834015][   T10]      netlink_unicast+0x449/0x710
[ 4006.834015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.834015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.834015][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.834015][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.834015][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.834015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.834015][   T10] 
[ 4006.836220][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.836220][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.836220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.836220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.836220][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4006.836220][   T10]      ipv6_add_addr+0x411/0x2000
[ 4006.836220][   T10]      inet6_addr_add+0x30e/0xa40
[ 4006.836220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.836220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.836220][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.836220][   T10]      netlink_unicast+0x449/0x710
[ 4006.836220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.836220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.836220][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.836220][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.836220][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.836220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.836220][   T10] 
[ 4006.838444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.838444][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.838444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.838444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.838444][   T10]      ip6_route_add+0x1c/0x140
[ 4006.838444][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4006.838444][   T10]      addrconf_add_dev+0xe2/0x170
[ 4006.838444][   T10]      inet6_addr_add+0x12f/0xa40
[ 4006.838444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.838444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.838444][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.838444][   T10]      netlink_unicast+0x449/0x710
[ 4006.838444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.838444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.838444][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.838444][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.838444][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.838444][   T10] 
[ 4006.840798][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.840798][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4006.840798][   T10]      ipv6_find_idev+0x102/0x170
[ 4006.840798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4006.840798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.840798][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.840798][   T10]      netlink_unicast+0x449/0x710
[ 4006.840798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.840798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.840798][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.840798][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.840798][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.840798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.840798][   T10] 
[ 4006.842768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4006.842768][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4006.842768][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4006.842768][   T10]      ipv6_find_idev+0x102/0x170
[ 4006.842768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4006.842768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.842768][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.842768][   T10]      netlink_unicast+0x449/0x710
[ 4006.842768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.842768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.842768][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.842768][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.842768][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.842768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.842768][   T10] 
[ 4006.844827][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4006.845161][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4006.845161][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.845161][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.845161][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.845161][   T10]      ip6_route_add+0x1c/0x140
[ 4006.845161][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4006.845161][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4006.845161][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.845161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.845161][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.845161][   T10]      netlink_unicast+0x449/0x710
[ 4006.845161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.845161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.845161][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.845161][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.845161][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.845161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.845161][   T10] 
[ 4006.847569][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4006.847569][   T10]      netdev_get_by_index+0x5e/0x80
[ 4006.847569][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4006.847569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4006.847569][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4006.847569][   T10]      ipv6_add_addr+0x411/0x2000
[ 4006.847569][   T10]      inet6_addr_add+0x30e/0xa40
[ 4006.847569][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4006.847569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.847569][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.847569][   T10]      netlink_unicast+0x449/0x710
[ 4006.847569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.847569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.847569][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.847569][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.847569][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.847569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.847569][   T10] 
[ 4006.850030][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4006.850030][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4006.850030][   T10]      ipv6_find_idev+0x102/0x170
[ 4006.850030][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4006.850030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.850030][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.850030][   T10]      netlink_unicast+0x449/0x710
[ 4006.850030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.850030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.850030][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.850030][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.850030][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.850030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.850030][   T10] 
[ 4006.851970][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4006.851970][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4006.851970][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4006.851970][   T10]      ipv6_find_idev+0x102/0x170
[ 4006.851970][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4006.851970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4006.851970][   T10]      netlink_rcv_skb+0x130/0x360
[ 4006.851970][   T10]      netlink_unicast+0x449/0x710
[ 4006.851970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4006.851970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4006.851970][   T10]      ___sys_sendmsg+0xee/0x170
[ 4006.851970][   T10]      __sys_sendmsg+0xcd/0x170
[ 4006.851970][   T10]      do_syscall_64+0xc6/0x1e0
[ 4006.851970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4006.851970][   T10] 
[ 4017.096707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4017.097086][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.097086][   T10]      dst_init+0x84/0x4a0
[ 4017.097086][   T10]      dst_alloc+0x97/0x150
[ 4017.097086][   T10]      ip6_dst_alloc+0x23/0x90
[ 4017.097086][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4017.097086][   T10]      ip6_pol_route+0x56f/0x840
[ 4017.097086][   T10]      fib6_rule_lookup+0x456/0x630
[ 4017.097086][   T10]      ip6_route_input+0x59c/0xa50
[ 4017.097086][   T10]      ipv6_rcv+0x397/0x810
[ 4017.097086][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4017.097086][   T10]      process_backlog+0x101/0x620
[ 4017.097086][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4017.097086][   T10]      net_rx_action+0x495/0xbe0
[ 4017.097086][   T10]      __do_softirq+0x1b5/0x7f6
[ 4017.097086][   T10] 
[ 4017.099446][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.099446][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4017.099446][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4017.099446][   T10]      fib6_nh_init+0xa22/0x1580
[ 4017.099446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.099446][   T10]      ip6_route_add+0x1c/0x140
[ 4017.099446][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4017.099446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.099446][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.099446][   T10]      netlink_unicast+0x449/0x710
[ 4017.099446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.099446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.099446][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.099446][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.099446][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.099446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.099446][   T10] 
[ 4017.101538][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.101538][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.101538][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.101538][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.101538][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4017.101538][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4017.101538][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4017.101538][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4017.101538][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4017.101538][   T10]      addrconf_dad_begin+0x310/0x670
[ 4017.101538][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4017.101538][   T10]      process_one_work+0x84d/0x18a0
[ 4017.101538][   T10]      worker_thread+0x587/0xd30
[ 4017.101538][   T10]      kthread+0x28a/0x350
[ 4017.101538][   T10]      ret_from_fork+0x31/0x70
[ 4017.101538][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4017.101538][   T10] 
[ 4017.103668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.103668][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.103668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.103668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.103668][   T10]      ip6_route_add+0x1c/0x140
[ 4017.103668][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4017.103668][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4017.103668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.103668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.103668][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.103668][   T10]      netlink_unicast+0x449/0x710
[ 4017.103668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.103668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.103668][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.103668][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.103668][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.103668][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.103668][   T10] 
[ 4017.105896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.105896][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.105896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.105896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.105896][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4017.105896][   T10]      ipv6_add_addr+0x411/0x2000
[ 4017.105896][   T10]      inet6_addr_add+0x30e/0xa40
[ 4017.105896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.105896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.105896][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.105896][   T10]      netlink_unicast+0x449/0x710
[ 4017.105896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.105896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.105896][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.105896][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.105896][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.105896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.105896][   T10] 
[ 4017.108136][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.108136][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.108136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.108136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.108136][   T10]      ip6_route_add+0x1c/0x140
[ 4017.108136][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4017.108136][   T10]      addrconf_add_dev+0xe2/0x170
[ 4017.108136][   T10]      inet6_addr_add+0x12f/0xa40
[ 4017.108136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.108136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.108136][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.108136][   T10]      netlink_unicast+0x449/0x710
[ 4017.108136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.108136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.108136][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.108136][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.108136][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.108136][   T10] 
[ 4017.110343][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.110343][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4017.110343][   T10]      ipv6_find_idev+0x102/0x170
[ 4017.110343][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4017.110343][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.110343][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.110343][   T10]      netlink_unicast+0x449/0x710
[ 4017.110343][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.110343][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.110343][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.110343][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.110343][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.110343][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.110343][   T10] 
[ 4017.112057][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4017.112057][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4017.112057][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4017.112057][   T10]      ipv6_find_idev+0x102/0x170
[ 4017.112057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4017.112057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.112057][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.112057][   T10]      netlink_unicast+0x449/0x710
[ 4017.112057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.112057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.112057][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.112057][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.112057][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.112057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.112057][   T10] 
[ 4017.113945][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4017.114203][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.114203][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4017.114203][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4017.114203][   T10]      fib6_nh_init+0xa22/0x1580
[ 4017.114203][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.114203][   T10]      ip6_route_add+0x1c/0x140
[ 4017.114203][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4017.114203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.114203][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.114203][   T10]      netlink_unicast+0x449/0x710
[ 4017.114203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.114203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.114203][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.114203][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.114203][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.114203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.114203][   T10] 
[ 4017.116301][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.116301][   T10]      dst_init+0x84/0x4a0
[ 4017.116301][   T10]      dst_alloc+0x97/0x150
[ 4017.116301][   T10]      ip6_dst_alloc+0x23/0x90
[ 4017.116301][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4017.116301][   T10]      ip6_pol_route+0x56f/0x840
[ 4017.116301][   T10]      fib6_rule_lookup+0x456/0x630
[ 4017.116301][   T10]      ip6_route_input+0x59c/0xa50
[ 4017.116301][   T10]      ipv6_rcv+0x397/0x810
[ 4017.116301][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4017.116301][   T10]      process_backlog+0x101/0x620
[ 4017.116301][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4017.116301][   T10]      net_rx_action+0x495/0xbe0
[ 4017.116301][   T10]      __do_softirq+0x1b5/0x7f6
[ 4017.116301][   T10] 
[ 4017.118134][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.118134][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.118134][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.118134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.118134][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4017.118134][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4017.118134][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4017.118134][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4017.118134][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4017.118134][   T10]      addrconf_dad_begin+0x310/0x670
[ 4017.118134][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4017.118134][   T10]      process_one_work+0x84d/0x18a0
[ 4017.118134][   T10]      worker_thread+0x587/0xd30
[ 4017.118134][   T10]      kthread+0x28a/0x350
[ 4017.118134][   T10]      ret_from_fork+0x31/0x70
[ 4017.118134][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4017.118134][   T10] 
[ 4017.120660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.120660][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.120660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.120660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.120660][   T10]      ip6_route_add+0x1c/0x140
[ 4017.120660][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4017.120660][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4017.120660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.120660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.120660][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.120660][   T10]      netlink_unicast+0x449/0x710
[ 4017.120660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.120660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.120660][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.120660][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.120660][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.120660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.120660][   T10] 
[ 4017.122883][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.122883][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.122883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.122883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.122883][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4017.122883][   T10]      ipv6_add_addr+0x411/0x2000
[ 4017.122883][   T10]      inet6_addr_add+0x30e/0xa40
[ 4017.122883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.122883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.122883][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.122883][   T10]      netlink_unicast+0x449/0x710
[ 4017.122883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.122883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.122883][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.122883][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.122883][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.122883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.122883][   T10] 
[ 4017.125107][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.125107][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.125107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.125107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.125107][   T10]      ip6_route_add+0x1c/0x140
[ 4017.125107][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4017.125107][   T10]      addrconf_add_dev+0xe2/0x170
[ 4017.125107][   T10]      inet6_addr_add+0x12f/0xa40
[ 4017.125107][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.125107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.125107][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.125107][   T10]      netlink_unicast+0x449/0x710
[ 4017.125107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.125107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.125107][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.125107][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.125107][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.125107][   T10] 
[ 4017.127431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.127431][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4017.127431][   T10]      ipv6_find_idev+0x102/0x170
[ 4017.127431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4017.127431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.127431][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.127431][   T10]      netlink_unicast+0x449/0x710
[ 4017.127431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.127431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.127431][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.127431][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.127431][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.127431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.127431][   T10] 
[ 4017.129328][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4017.129328][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4017.129328][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4017.129328][   T10]      ipv6_find_idev+0x102/0x170
[ 4017.129328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4017.129328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.129328][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.129328][   T10]      netlink_unicast+0x449/0x710
[ 4017.129328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.129328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.129328][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.129328][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.129328][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.129328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.129328][   T10] 
[ 4017.131441][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4017.131781][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4017.131781][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.131781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.131781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.131781][   T10]      ip6_route_add+0x1c/0x140
[ 4017.131781][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4017.131781][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4017.131781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.131781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.131781][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.131781][   T10]      netlink_unicast+0x449/0x710
[ 4017.131781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.131781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.131781][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.131781][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.131781][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.131781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.131781][   T10] 
[ 4017.134182][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4017.134182][   T10]      netdev_get_by_index+0x5e/0x80
[ 4017.134182][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4017.134182][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4017.134182][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4017.134182][   T10]      ipv6_add_addr+0x411/0x2000
[ 4017.134182][   T10]      inet6_addr_add+0x30e/0xa40
[ 4017.134182][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4017.134182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.134182][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.134182][   T10]      netlink_unicast+0x449/0x710
[ 4017.134182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.134182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.134182][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.134182][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.134182][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.134182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.134182][   T10] 
[ 4017.136573][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4017.136573][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4017.136573][   T10]      ipv6_find_idev+0x102/0x170
[ 4017.136573][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4017.136573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.136573][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.136573][   T10]      netlink_unicast+0x449/0x710
[ 4017.136573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.136573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.136573][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.136573][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.136573][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.136573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.136573][   T10] 
[ 4017.138467][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4017.138467][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4017.138467][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4017.138467][   T10]      ipv6_find_idev+0x102/0x170
[ 4017.138467][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4017.138467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4017.138467][   T10]      netlink_rcv_skb+0x130/0x360
[ 4017.138467][   T10]      netlink_unicast+0x449/0x710
[ 4017.138467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4017.138467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4017.138467][   T10]      ___sys_sendmsg+0xee/0x170
[ 4017.138467][   T10]      __sys_sendmsg+0xcd/0x170
[ 4017.138467][   T10]      do_syscall_64+0xc6/0x1e0
[ 4017.138467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4017.138467][   T10] 
[ 4027.376706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4027.377164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.377164][   T10]      dst_init+0x84/0x4a0
[ 4027.377164][   T10]      dst_alloc+0x97/0x150
[ 4027.377164][   T10]      ip6_dst_alloc+0x23/0x90
[ 4027.377164][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4027.377164][   T10]      ip6_pol_route+0x56f/0x840
[ 4027.377164][   T10]      fib6_rule_lookup+0x456/0x630
[ 4027.377164][   T10]      ip6_route_input+0x59c/0xa50
[ 4027.377164][   T10]      ipv6_rcv+0x397/0x810
[ 4027.377164][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4027.377164][   T10]      process_backlog+0x101/0x620
[ 4027.377164][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4027.377164][   T10]      net_rx_action+0x495/0xbe0
[ 4027.377164][   T10]      __do_softirq+0x1b5/0x7f6
[ 4027.377164][   T10] 
[ 4027.379016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.379016][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4027.379016][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4027.379016][   T10]      fib6_nh_init+0xa22/0x1580
[ 4027.379016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.379016][   T10]      ip6_route_add+0x1c/0x140
[ 4027.379016][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4027.379016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.379016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.379016][   T10]      netlink_unicast+0x449/0x710
[ 4027.379016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.379016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.379016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.379016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.379016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.379016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.379016][   T10] 
[ 4027.381102][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.381102][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.381102][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.381102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.381102][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4027.381102][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4027.381102][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4027.381102][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4027.381102][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4027.381102][   T10]      addrconf_dad_begin+0x310/0x670
[ 4027.381102][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4027.381102][   T10]      process_one_work+0x84d/0x18a0
[ 4027.381102][   T10]      worker_thread+0x587/0xd30
[ 4027.381102][   T10]      kthread+0x28a/0x350
[ 4027.381102][   T10]      ret_from_fork+0x31/0x70
[ 4027.381102][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4027.381102][   T10] 
[ 4027.383236][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.383236][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.383236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.383236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.383236][   T10]      ip6_route_add+0x1c/0x140
[ 4027.383236][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4027.383236][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4027.383236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.383236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.383236][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.383236][   T10]      netlink_unicast+0x449/0x710
[ 4027.383236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.383236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.383236][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.383236][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.383236][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.383236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.383236][   T10] 
[ 4027.385475][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.385475][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.385475][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.385475][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.385475][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4027.385475][   T10]      ipv6_add_addr+0x411/0x2000
[ 4027.385475][   T10]      inet6_addr_add+0x30e/0xa40
[ 4027.385475][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.385475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.385475][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.385475][   T10]      netlink_unicast+0x449/0x710
[ 4027.385475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.385475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.385475][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.385475][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.385475][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.385475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.385475][   T10] 
[ 4027.387712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.387712][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.387712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.387712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.387712][   T10]      ip6_route_add+0x1c/0x140
[ 4027.387712][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4027.387712][   T10]      addrconf_add_dev+0xe2/0x170
[ 4027.387712][   T10]      inet6_addr_add+0x12f/0xa40
[ 4027.387712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.387712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.387712][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.387712][   T10]      netlink_unicast+0x449/0x710
[ 4027.387712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.387712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.387712][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.387712][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.387712][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.387712][   T10] 
[ 4027.389920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.389920][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4027.389920][   T10]      ipv6_find_idev+0x102/0x170
[ 4027.389920][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4027.389920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.389920][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.389920][   T10]      netlink_unicast+0x449/0x710
[ 4027.389920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.389920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.389920][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.389920][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.389920][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.389920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.389920][   T10] 
[ 4027.391633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4027.391633][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4027.391633][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4027.391633][   T10]      ipv6_find_idev+0x102/0x170
[ 4027.391633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4027.391633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.391633][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.391633][   T10]      netlink_unicast+0x449/0x710
[ 4027.391633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.391633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.391633][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.391633][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.391633][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.391633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.391633][   T10] 
[ 4027.393522][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4027.393799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.393799][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4027.393799][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4027.393799][   T10]      fib6_nh_init+0xa22/0x1580
[ 4027.393799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.393799][   T10]      ip6_route_add+0x1c/0x140
[ 4027.393799][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4027.393799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.393799][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.393799][   T10]      netlink_unicast+0x449/0x710
[ 4027.393799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.393799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.393799][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.393799][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.393799][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.393799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.393799][   T10] 
[ 4027.395903][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.395903][   T10]      dst_init+0x84/0x4a0
[ 4027.395903][   T10]      dst_alloc+0x97/0x150
[ 4027.395903][   T10]      ip6_dst_alloc+0x23/0x90
[ 4027.395903][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4027.395903][   T10]      ip6_pol_route+0x56f/0x840
[ 4027.395903][   T10]      fib6_rule_lookup+0x456/0x630
[ 4027.395903][   T10]      ip6_route_input+0x59c/0xa50
[ 4027.395903][   T10]      ipv6_rcv+0x397/0x810
[ 4027.395903][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4027.395903][   T10]      process_backlog+0x101/0x620
[ 4027.395903][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4027.395903][   T10]      net_rx_action+0x495/0xbe0
[ 4027.395903][   T10]      __do_softirq+0x1b5/0x7f6
[ 4027.395903][   T10] 
[ 4027.397745][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.397745][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.397745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.397745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.397745][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4027.397745][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4027.397745][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4027.397745][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4027.397745][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4027.397745][   T10]      addrconf_dad_begin+0x310/0x670
[ 4027.397745][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4027.397745][   T10]      process_one_work+0x84d/0x18a0
[ 4027.397745][   T10]      worker_thread+0x587/0xd30
[ 4027.397745][   T10]      kthread+0x28a/0x350
[ 4027.397745][   T10]      ret_from_fork+0x31/0x70
[ 4027.397745][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4027.397745][   T10] 
[ 4027.399866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.399866][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.399866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.399866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.399866][   T10]      ip6_route_add+0x1c/0x140
[ 4027.399866][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4027.399866][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4027.399866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.399866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.399866][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.399866][   T10]      netlink_unicast+0x449/0x710
[ 4027.399866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.399866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.399866][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.399866][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.399866][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.399866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.399866][   T10] 
[ 4027.402088][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.402088][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.402088][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.402088][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.402088][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4027.402088][   T10]      ipv6_add_addr+0x411/0x2000
[ 4027.402088][   T10]      inet6_addr_add+0x30e/0xa40
[ 4027.402088][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.402088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.402088][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.402088][   T10]      netlink_unicast+0x449/0x710
[ 4027.402088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.402088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.402088][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.402088][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.402088][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.402088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.402088][   T10] 
[ 4027.404286][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.404286][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.404286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.404286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.404286][   T10]      ip6_route_add+0x1c/0x140
[ 4027.404286][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4027.404286][   T10]      addrconf_add_dev+0xe2/0x170
[ 4027.404286][   T10]      inet6_addr_add+0x12f/0xa40
[ 4027.404286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.404286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.404286][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.404286][   T10]      netlink_unicast+0x449/0x710
[ 4027.404286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.404286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.404286][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.404286][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.404286][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.404286][   T10] 
[ 4027.406580][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.406580][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4027.406580][   T10]      ipv6_find_idev+0x102/0x170
[ 4027.406580][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4027.406580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.406580][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.406580][   T10]      netlink_unicast+0x449/0x710
[ 4027.406580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.406580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.406580][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.406580][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.406580][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.406580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.406580][   T10] 
[ 4027.408555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4027.408555][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4027.408555][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4027.408555][   T10]      ipv6_find_idev+0x102/0x170
[ 4027.408555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4027.408555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.408555][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.408555][   T10]      netlink_unicast+0x449/0x710
[ 4027.408555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.408555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.408555][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.408555][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.408555][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.408555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.408555][   T10] 
[ 4027.410633][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4027.410968][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4027.410968][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.410968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.410968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.410968][   T10]      ip6_route_add+0x1c/0x140
[ 4027.410968][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4027.410968][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4027.410968][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.410968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.410968][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.410968][   T10]      netlink_unicast+0x449/0x710
[ 4027.410968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.410968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.410968][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.410968][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.410968][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.410968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.410968][   T10] 
[ 4027.413395][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4027.413395][   T10]      netdev_get_by_index+0x5e/0x80
[ 4027.413395][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4027.413395][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4027.413395][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4027.413395][   T10]      ipv6_add_addr+0x411/0x2000
[ 4027.413395][   T10]      inet6_addr_add+0x30e/0xa40
[ 4027.413395][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4027.413395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.413395][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.413395][   T10]      netlink_unicast+0x449/0x710
[ 4027.413395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.413395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.413395][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.413395][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.413395][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.413395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.413395][   T10] 
[ 4027.415730][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4027.415730][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4027.415730][   T10]      ipv6_find_idev+0x102/0x170
[ 4027.415730][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4027.415730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.415730][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.415730][   T10]      netlink_unicast+0x449/0x710
[ 4027.415730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.415730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.415730][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.415730][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.415730][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.415730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.415730][   T10] 
[ 4027.417631][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4027.417631][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4027.417631][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4027.417631][   T10]      ipv6_find_idev+0x102/0x170
[ 4027.417631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4027.417631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4027.417631][   T10]      netlink_rcv_skb+0x130/0x360
[ 4027.417631][   T10]      netlink_unicast+0x449/0x710
[ 4027.417631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4027.417631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4027.417631][   T10]      ___sys_sendmsg+0xee/0x170
[ 4027.417631][   T10]      __sys_sendmsg+0xcd/0x170
[ 4027.417631][   T10]      do_syscall_64+0xc6/0x1e0
[ 4027.417631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4027.417631][   T10] 
[ 4037.504743][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4037.505213][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.505213][   T10]      dst_init+0x84/0x4a0
[ 4037.505213][   T10]      dst_alloc+0x97/0x150
[ 4037.505213][   T10]      ip6_dst_alloc+0x23/0x90
[ 4037.505213][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4037.505213][   T10]      ip6_pol_route+0x56f/0x840
[ 4037.505213][   T10]      fib6_rule_lookup+0x456/0x630
[ 4037.505213][   T10]      ip6_route_input+0x59c/0xa50
[ 4037.505213][   T10]      ipv6_rcv+0x397/0x810
[ 4037.505213][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4037.505213][   T10]      process_backlog+0x101/0x620
[ 4037.505213][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4037.505213][   T10]      net_rx_action+0x495/0xbe0
[ 4037.505213][   T10]      __do_softirq+0x1b5/0x7f6
[ 4037.505213][   T10] 
[ 4037.506910][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.506910][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4037.506910][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4037.506910][   T10]      fib6_nh_init+0xa22/0x1580
[ 4037.506910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.506910][   T10]      ip6_route_add+0x1c/0x140
[ 4037.506910][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4037.506910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.506910][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.506910][   T10]      netlink_unicast+0x449/0x710
[ 4037.506910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.506910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.506910][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.506910][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.506910][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.506910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.506910][   T10] 
[ 4037.508835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.508835][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.508835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.508835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.508835][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4037.508835][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4037.508835][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4037.508835][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4037.508835][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4037.508835][   T10]      addrconf_dad_begin+0x310/0x670
[ 4037.508835][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4037.508835][   T10]      process_one_work+0x84d/0x18a0
[ 4037.508835][   T10]      worker_thread+0x587/0xd30
[ 4037.508835][   T10]      kthread+0x28a/0x350
[ 4037.508835][   T10]      ret_from_fork+0x31/0x70
[ 4037.508835][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4037.508835][   T10] 
[ 4037.510771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.510771][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.510771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.510771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.510771][   T10]      ip6_route_add+0x1c/0x140
[ 4037.510771][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4037.510771][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4037.510771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.510771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.510771][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.510771][   T10]      netlink_unicast+0x449/0x710
[ 4037.510771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.510771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.510771][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.510771][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.510771][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.510771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.510771][   T10] 
[ 4037.512811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.512811][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.512811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.512811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.512811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4037.512811][   T10]      ipv6_add_addr+0x411/0x2000
[ 4037.512811][   T10]      inet6_addr_add+0x30e/0xa40
[ 4037.512811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.512811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.512811][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.512811][   T10]      netlink_unicast+0x449/0x710
[ 4037.512811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.512811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.512811][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.512811][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.512811][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.512811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.512811][   T10] 
[ 4037.514857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.514857][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.514857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.514857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.514857][   T10]      ip6_route_add+0x1c/0x140
[ 4037.514857][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4037.514857][   T10]      addrconf_add_dev+0xe2/0x170
[ 4037.514857][   T10]      inet6_addr_add+0x12f/0xa40
[ 4037.514857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.514857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.514857][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.514857][   T10]      netlink_unicast+0x449/0x710
[ 4037.514857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.514857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.514857][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.514857][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.514857][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.514857][   T10] 
[ 4037.516852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.516852][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4037.516852][   T10]      ipv6_find_idev+0x102/0x170
[ 4037.516852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4037.516852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.516852][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.516852][   T10]      netlink_unicast+0x449/0x710
[ 4037.516852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.516852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.516852][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.516852][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.516852][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.516852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.516852][   T10] 
[ 4037.518415][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4037.518415][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4037.518415][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4037.518415][   T10]      ipv6_find_idev+0x102/0x170
[ 4037.518415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4037.518415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.518415][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.518415][   T10]      netlink_unicast+0x449/0x710
[ 4037.518415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.518415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.518415][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.518415][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.518415][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.518415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.518415][   T10] 
[ 4037.520249][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4037.520495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.520495][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4037.520495][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4037.520495][   T10]      fib6_nh_init+0xa22/0x1580
[ 4037.520495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.520495][   T10]      ip6_route_add+0x1c/0x140
[ 4037.520495][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4037.520495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.520495][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.520495][   T10]      netlink_unicast+0x449/0x710
[ 4037.520495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.520495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.520495][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.520495][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.520495][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.520495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.520495][   T10] 
[ 4037.522410][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.522410][   T10]      dst_init+0x84/0x4a0
[ 4037.522410][   T10]      dst_alloc+0x97/0x150
[ 4037.522410][   T10]      ip6_dst_alloc+0x23/0x90
[ 4037.522410][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4037.522410][   T10]      ip6_pol_route+0x56f/0x840
[ 4037.522410][   T10]      fib6_rule_lookup+0x456/0x630
[ 4037.522410][   T10]      ip6_route_input+0x59c/0xa50
[ 4037.522410][   T10]      ipv6_rcv+0x397/0x810
[ 4037.522410][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4037.522410][   T10]      process_backlog+0x101/0x620
[ 4037.522410][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4037.522410][   T10]      net_rx_action+0x495/0xbe0
[ 4037.522410][   T10]      __do_softirq+0x1b5/0x7f6
[ 4037.522410][   T10] 
[ 4037.524063][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.524063][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.524063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.524063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.524063][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4037.524063][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4037.524063][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4037.524063][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4037.524063][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4037.524063][   T10]      addrconf_dad_begin+0x310/0x670
[ 4037.524063][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4037.524063][   T10]      process_one_work+0x84d/0x18a0
[ 4037.524063][   T10]      worker_thread+0x587/0xd30
[ 4037.524063][   T10]      kthread+0x28a/0x350
[ 4037.524063][   T10]      ret_from_fork+0x31/0x70
[ 4037.524063][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4037.524063][   T10] 
[ 4037.525998][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.525998][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.525998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.525998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.525998][   T10]      ip6_route_add+0x1c/0x140
[ 4037.525998][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4037.525998][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4037.525998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.525998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.525998][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.525998][   T10]      netlink_unicast+0x449/0x710
[ 4037.525998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.525998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.525998][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.525998][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.525998][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.525998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.525998][   T10] 
[ 4037.528035][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.528035][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.528035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.528035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.528035][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4037.528035][   T10]      ipv6_add_addr+0x411/0x2000
[ 4037.528035][   T10]      inet6_addr_add+0x30e/0xa40
[ 4037.528035][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.528035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.528035][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.528035][   T10]      netlink_unicast+0x449/0x710
[ 4037.528035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.528035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.528035][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.528035][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.528035][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.528035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.528035][   T10] 
[ 4037.530059][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.530059][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.530059][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.530059][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.530059][   T10]      ip6_route_add+0x1c/0x140
[ 4037.530059][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4037.530059][   T10]      addrconf_add_dev+0xe2/0x170
[ 4037.530059][   T10]      inet6_addr_add+0x12f/0xa40
[ 4037.530059][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.530059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.530059][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.530059][   T10]      netlink_unicast+0x449/0x710
[ 4037.530059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.530059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.530059][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.530059][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.530059][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.530059][   T10] 
[ 4037.532174][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.532174][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4037.532174][   T10]      ipv6_find_idev+0x102/0x170
[ 4037.532174][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4037.532174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.532174][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.532174][   T10]      netlink_unicast+0x449/0x710
[ 4037.532174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.532174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.532174][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.532174][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.532174][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.532174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.532174][   T10] 
[ 4037.533912][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4037.533912][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4037.533912][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4037.533912][   T10]      ipv6_find_idev+0x102/0x170
[ 4037.533912][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4037.533912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.533912][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.533912][   T10]      netlink_unicast+0x449/0x710
[ 4037.533912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.533912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.533912][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.533912][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.533912][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.533912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.533912][   T10] 
[ 4037.535856][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4037.536163][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4037.536163][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.536163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.536163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.536163][   T10]      ip6_route_add+0x1c/0x140
[ 4037.536163][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4037.536163][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4037.536163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.536163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.536163][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.536163][   T10]      netlink_unicast+0x449/0x710
[ 4037.536163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.536163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.536163][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.536163][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.536163][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.536163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.536163][   T10] 
[ 4037.538432][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4037.538432][   T10]      netdev_get_by_index+0x5e/0x80
[ 4037.538432][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4037.538432][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4037.538432][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4037.538432][   T10]      ipv6_add_addr+0x411/0x2000
[ 4037.538432][   T10]      inet6_addr_add+0x30e/0xa40
[ 4037.538432][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4037.538432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.538432][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.538432][   T10]      netlink_unicast+0x449/0x710
[ 4037.538432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.538432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.538432][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.538432][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.538432][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.538432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.538432][   T10] 
[ 4037.540584][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4037.540584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4037.540584][   T10]      ipv6_find_idev+0x102/0x170
[ 4037.540584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4037.540584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.540584][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.540584][   T10]      netlink_unicast+0x449/0x710
[ 4037.540584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.540584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.540584][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.540584][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.540584][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.540584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.540584][   T10] 
[ 4037.542328][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4037.542328][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4037.542328][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4037.542328][   T10]      ipv6_find_idev+0x102/0x170
[ 4037.542328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4037.542328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4037.542328][   T10]      netlink_rcv_skb+0x130/0x360
[ 4037.542328][   T10]      netlink_unicast+0x449/0x710
[ 4037.542328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4037.542328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4037.542328][   T10]      ___sys_sendmsg+0xee/0x170
[ 4037.542328][   T10]      __sys_sendmsg+0xcd/0x170
[ 4037.542328][   T10]      do_syscall_64+0xc6/0x1e0
[ 4037.542328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4037.542328][   T10] 
[ 4047.784751][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4047.785205][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.785205][   T10]      dst_init+0x84/0x4a0
[ 4047.785205][   T10]      dst_alloc+0x97/0x150
[ 4047.785205][   T10]      ip6_dst_alloc+0x23/0x90
[ 4047.785205][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4047.785205][   T10]      ip6_pol_route+0x56f/0x840
[ 4047.785205][   T10]      fib6_rule_lookup+0x456/0x630
[ 4047.785205][   T10]      ip6_route_input+0x59c/0xa50
[ 4047.785205][   T10]      ipv6_rcv+0x397/0x810
[ 4047.785205][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4047.785205][   T10]      process_backlog+0x101/0x620
[ 4047.785205][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4047.785205][   T10]      net_rx_action+0x495/0xbe0
[ 4047.785205][   T10]      __do_softirq+0x1b5/0x7f6
[ 4047.785205][   T10] 
[ 4047.786906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.786906][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4047.786906][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4047.786906][   T10]      fib6_nh_init+0xa22/0x1580
[ 4047.786906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.786906][   T10]      ip6_route_add+0x1c/0x140
[ 4047.786906][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4047.786906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.786906][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.786906][   T10]      netlink_unicast+0x449/0x710
[ 4047.786906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.786906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.786906][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.786906][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.786906][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.786906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.786906][   T10] 
[ 4047.788828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.788828][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.788828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.788828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.788828][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4047.788828][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4047.788828][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4047.788828][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4047.788828][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4047.788828][   T10]      addrconf_dad_begin+0x310/0x670
[ 4047.788828][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4047.788828][   T10]      process_one_work+0x84d/0x18a0
[ 4047.788828][   T10]      worker_thread+0x587/0xd30
[ 4047.788828][   T10]      kthread+0x28a/0x350
[ 4047.788828][   T10]      ret_from_fork+0x31/0x70
[ 4047.788828][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4047.788828][   T10] 
[ 4047.790762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.790762][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.790762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.790762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.790762][   T10]      ip6_route_add+0x1c/0x140
[ 4047.790762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4047.790762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4047.790762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.790762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.790762][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.790762][   T10]      netlink_unicast+0x449/0x710
[ 4047.790762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.790762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.790762][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.790762][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.790762][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.790762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.790762][   T10] 
[ 4047.792788][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.792788][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.792788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.792788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.792788][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4047.792788][   T10]      ipv6_add_addr+0x411/0x2000
[ 4047.792788][   T10]      inet6_addr_add+0x30e/0xa40
[ 4047.792788][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.792788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.792788][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.792788][   T10]      netlink_unicast+0x449/0x710
[ 4047.792788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.792788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.792788][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.792788][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.792788][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.792788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.792788][   T10] 
[ 4047.794816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.794816][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.794816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.794816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.794816][   T10]      ip6_route_add+0x1c/0x140
[ 4047.794816][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4047.794816][   T10]      addrconf_add_dev+0xe2/0x170
[ 4047.794816][   T10]      inet6_addr_add+0x12f/0xa40
[ 4047.794816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.794816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.794816][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.794816][   T10]      netlink_unicast+0x449/0x710
[ 4047.794816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.794816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.794816][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.794816][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.794816][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.794816][   T10] 
[ 4047.796805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.796805][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4047.796805][   T10]      ipv6_find_idev+0x102/0x170
[ 4047.796805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4047.796805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.796805][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.796805][   T10]      netlink_unicast+0x449/0x710
[ 4047.796805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.796805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.796805][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.796805][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.796805][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.796805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.796805][   T10] 
[ 4047.798418][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4047.798418][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4047.798418][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4047.798418][   T10]      ipv6_find_idev+0x102/0x170
[ 4047.798418][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4047.798418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.798418][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.798418][   T10]      netlink_unicast+0x449/0x710
[ 4047.798418][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.798418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.798418][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.798418][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.798418][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.798418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.798418][   T10] 
[ 4047.800145][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4047.800392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.800392][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4047.800392][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4047.800392][   T10]      fib6_nh_init+0xa22/0x1580
[ 4047.800392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.800392][   T10]      ip6_route_add+0x1c/0x140
[ 4047.800392][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4047.800392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.800392][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.800392][   T10]      netlink_unicast+0x449/0x710
[ 4047.800392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.800392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.800392][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.800392][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.800392][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.800392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.800392][   T10] 
[ 4047.802301][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.802301][   T10]      dst_init+0x84/0x4a0
[ 4047.802301][   T10]      dst_alloc+0x97/0x150
[ 4047.802301][   T10]      ip6_dst_alloc+0x23/0x90
[ 4047.802301][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4047.802301][   T10]      ip6_pol_route+0x56f/0x840
[ 4047.802301][   T10]      fib6_rule_lookup+0x456/0x630
[ 4047.802301][   T10]      ip6_route_input+0x59c/0xa50
[ 4047.802301][   T10]      ipv6_rcv+0x397/0x810
[ 4047.802301][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4047.802301][   T10]      process_backlog+0x101/0x620
[ 4047.802301][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4047.802301][   T10]      net_rx_action+0x495/0xbe0
[ 4047.802301][   T10]      __do_softirq+0x1b5/0x7f6
[ 4047.802301][   T10] 
[ 4047.803972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.803972][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.803972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.803972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.803972][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4047.803972][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4047.803972][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4047.803972][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4047.803972][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4047.803972][   T10]      addrconf_dad_begin+0x310/0x670
[ 4047.803972][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4047.803972][   T10]      process_one_work+0x84d/0x18a0
[ 4047.803972][   T10]      worker_thread+0x587/0xd30
[ 4047.803972][   T10]      kthread+0x28a/0x350
[ 4047.803972][   T10]      ret_from_fork+0x31/0x70
[ 4047.803972][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4047.803972][   T10] 
[ 4047.806465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.806465][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.806465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.806465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.806465][   T10]      ip6_route_add+0x1c/0x140
[ 4047.806465][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4047.806465][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4047.806465][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.806465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.806465][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.806465][   T10]      netlink_unicast+0x449/0x710
[ 4047.806465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.806465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.806465][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.806465][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.806465][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.806465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.806465][   T10] 
[ 4047.808513][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.808513][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.808513][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.808513][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.808513][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4047.808513][   T10]      ipv6_add_addr+0x411/0x2000
[ 4047.808513][   T10]      inet6_addr_add+0x30e/0xa40
[ 4047.808513][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.808513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.808513][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.808513][   T10]      netlink_unicast+0x449/0x710
[ 4047.808513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.808513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.808513][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.808513][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.808513][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.808513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.808513][   T10] 
[ 4047.810542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.810542][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.810542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.810542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.810542][   T10]      ip6_route_add+0x1c/0x140
[ 4047.810542][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4047.810542][   T10]      addrconf_add_dev+0xe2/0x170
[ 4047.810542][   T10]      inet6_addr_add+0x12f/0xa40
[ 4047.810542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.810542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.810542][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.810542][   T10]      netlink_unicast+0x449/0x710
[ 4047.810542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.810542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.810542][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.810542][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.810542][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.810542][   T10] 
[ 4047.812662][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.812662][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4047.812662][   T10]      ipv6_find_idev+0x102/0x170
[ 4047.812662][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4047.812662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.812662][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.812662][   T10]      netlink_unicast+0x449/0x710
[ 4047.812662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.812662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.812662][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.812662][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.812662][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.812662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.812662][   T10] 
[ 4047.814463][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4047.814463][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4047.814463][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4047.814463][   T10]      ipv6_find_idev+0x102/0x170
[ 4047.814463][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4047.814463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.814463][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.814463][   T10]      netlink_unicast+0x449/0x710
[ 4047.814463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.814463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.814463][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.814463][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.814463][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.814463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.814463][   T10] 
[ 4047.816365][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4047.816699][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4047.816699][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.816699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.816699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.816699][   T10]      ip6_route_add+0x1c/0x140
[ 4047.816699][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4047.816699][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4047.816699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.816699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.816699][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.816699][   T10]      netlink_unicast+0x449/0x710
[ 4047.816699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.816699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.816699][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.816699][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.816699][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.816699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.816699][   T10] 
[ 4047.818919][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4047.818919][   T10]      netdev_get_by_index+0x5e/0x80
[ 4047.818919][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4047.818919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4047.818919][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4047.818919][   T10]      ipv6_add_addr+0x411/0x2000
[ 4047.818919][   T10]      inet6_addr_add+0x30e/0xa40
[ 4047.818919][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4047.818919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.818919][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.818919][   T10]      netlink_unicast+0x449/0x710
[ 4047.818919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.818919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.818919][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.818919][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.818919][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.818919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.818919][   T10] 
[ 4047.821139][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4047.821139][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4047.821139][   T10]      ipv6_find_idev+0x102/0x170
[ 4047.821139][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4047.821139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.821139][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.821139][   T10]      netlink_unicast+0x449/0x710
[ 4047.821139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.821139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.821139][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.821139][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.821139][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.821139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.821139][   T10] 
[ 4047.822885][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4047.822885][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4047.822885][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4047.822885][   T10]      ipv6_find_idev+0x102/0x170
[ 4047.822885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4047.822885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4047.822885][   T10]      netlink_rcv_skb+0x130/0x360
[ 4047.822885][   T10]      netlink_unicast+0x449/0x710
[ 4047.822885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4047.822885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4047.822885][   T10]      ___sys_sendmsg+0xee/0x170
[ 4047.822885][   T10]      __sys_sendmsg+0xcd/0x170
[ 4047.822885][   T10]      do_syscall_64+0xc6/0x1e0
[ 4047.822885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4047.822885][   T10] 
[ 4058.064738][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4058.065139][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.065139][   T10]      dst_init+0x84/0x4a0
[ 4058.065139][   T10]      dst_alloc+0x97/0x150
[ 4058.065139][   T10]      ip6_dst_alloc+0x23/0x90
[ 4058.065139][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4058.065139][   T10]      ip6_pol_route+0x56f/0x840
[ 4058.065139][   T10]      fib6_rule_lookup+0x456/0x630
[ 4058.065139][   T10]      ip6_route_input+0x59c/0xa50
[ 4058.065139][   T10]      ipv6_rcv+0x397/0x810
[ 4058.065139][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4058.065139][   T10]      process_backlog+0x101/0x620
[ 4058.065139][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4058.065139][   T10]      net_rx_action+0x495/0xbe0
[ 4058.065139][   T10]      __do_softirq+0x1b5/0x7f6
[ 4058.065139][   T10] 
[ 4058.066836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.066836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4058.066836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4058.066836][   T10]      fib6_nh_init+0xa22/0x1580
[ 4058.066836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.066836][   T10]      ip6_route_add+0x1c/0x140
[ 4058.066836][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4058.066836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.066836][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.066836][   T10]      netlink_unicast+0x449/0x710
[ 4058.066836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.066836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.066836][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.066836][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.066836][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.066836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.066836][   T10] 
[ 4058.068756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.068756][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.068756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.068756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.068756][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4058.068756][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4058.068756][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4058.068756][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4058.068756][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4058.068756][   T10]      addrconf_dad_begin+0x310/0x670
[ 4058.068756][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4058.068756][   T10]      process_one_work+0x84d/0x18a0
[ 4058.068756][   T10]      worker_thread+0x587/0xd30
[ 4058.068756][   T10]      kthread+0x28a/0x350
[ 4058.068756][   T10]      ret_from_fork+0x31/0x70
[ 4058.068756][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4058.068756][   T10] 
[ 4058.070701][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.070701][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.070701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.070701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.070701][   T10]      ip6_route_add+0x1c/0x140
[ 4058.070701][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4058.070701][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4058.070701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.070701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.070701][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.070701][   T10]      netlink_unicast+0x449/0x710
[ 4058.070701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.070701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.070701][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.070701][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.070701][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.070701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.070701][   T10] 
[ 4058.072751][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.072751][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.072751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.072751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.072751][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4058.072751][   T10]      ipv6_add_addr+0x411/0x2000
[ 4058.072751][   T10]      inet6_addr_add+0x30e/0xa40
[ 4058.072751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.072751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.072751][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.072751][   T10]      netlink_unicast+0x449/0x710
[ 4058.072751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.072751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.072751][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.072751][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.072751][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.072751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.072751][   T10] 
[ 4058.074778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.074778][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.074778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.074778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.074778][   T10]      ip6_route_add+0x1c/0x140
[ 4058.074778][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4058.074778][   T10]      addrconf_add_dev+0xe2/0x170
[ 4058.074778][   T10]      inet6_addr_add+0x12f/0xa40
[ 4058.074778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.074778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.074778][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.074778][   T10]      netlink_unicast+0x449/0x710
[ 4058.074778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.074778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.074778][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.074778][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.074778][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.074778][   T10] 
[ 4058.076762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.076762][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4058.076762][   T10]      ipv6_find_idev+0x102/0x170
[ 4058.076762][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4058.076762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.076762][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.076762][   T10]      netlink_unicast+0x449/0x710
[ 4058.076762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.076762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.076762][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.076762][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.076762][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.076762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.076762][   T10] 
[ 4058.078327][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4058.078327][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4058.078327][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4058.078327][   T10]      ipv6_find_idev+0x102/0x170
[ 4058.078327][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4058.078327][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.078327][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.078327][   T10]      netlink_unicast+0x449/0x710
[ 4058.078327][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.078327][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.078327][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.078327][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.078327][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.078327][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.078327][   T10] 
[ 4058.080057][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4058.080303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.080303][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4058.080303][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4058.080303][   T10]      fib6_nh_init+0xa22/0x1580
[ 4058.080303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.080303][   T10]      ip6_route_add+0x1c/0x140
[ 4058.080303][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4058.080303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.080303][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.080303][   T10]      netlink_unicast+0x449/0x710
[ 4058.080303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.080303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.080303][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.080303][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.080303][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.080303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.080303][   T10] 
[ 4058.082206][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.082206][   T10]      dst_init+0x84/0x4a0
[ 4058.082206][   T10]      dst_alloc+0x97/0x150
[ 4058.082206][   T10]      ip6_dst_alloc+0x23/0x90
[ 4058.082206][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4058.082206][   T10]      ip6_pol_route+0x56f/0x840
[ 4058.082206][   T10]      fib6_rule_lookup+0x456/0x630
[ 4058.082206][   T10]      ip6_route_input+0x59c/0xa50
[ 4058.082206][   T10]      ipv6_rcv+0x397/0x810
[ 4058.082206][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4058.082206][   T10]      process_backlog+0x101/0x620
[ 4058.082206][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4058.082206][   T10]      net_rx_action+0x495/0xbe0
[ 4058.082206][   T10]      __do_softirq+0x1b5/0x7f6
[ 4058.082206][   T10] 
[ 4058.083858][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.083858][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.083858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.083858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.083858][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4058.083858][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4058.083858][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4058.083858][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4058.083858][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4058.083858][   T10]      addrconf_dad_begin+0x310/0x670
[ 4058.083858][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4058.083858][   T10]      process_one_work+0x84d/0x18a0
[ 4058.083858][   T10]      worker_thread+0x587/0xd30
[ 4058.083858][   T10]      kthread+0x28a/0x350
[ 4058.083858][   T10]      ret_from_fork+0x31/0x70
[ 4058.083858][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4058.083858][   T10] 
[ 4058.085786][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.085786][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.085786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.085786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.085786][   T10]      ip6_route_add+0x1c/0x140
[ 4058.085786][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4058.085786][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4058.085786][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.085786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.085786][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.085786][   T10]      netlink_unicast+0x449/0x710
[ 4058.085786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.085786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.085786][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.085786][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.085786][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.085786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.085786][   T10] 
[ 4058.087812][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.087812][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.087812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.087812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.087812][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4058.087812][   T10]      ipv6_add_addr+0x411/0x2000
[ 4058.087812][   T10]      inet6_addr_add+0x30e/0xa40
[ 4058.087812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.087812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.087812][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.087812][   T10]      netlink_unicast+0x449/0x710
[ 4058.087812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.087812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.087812][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.087812][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.087812][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.087812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.087812][   T10] 
[ 4058.089825][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.089825][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.089825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.089825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.089825][   T10]      ip6_route_add+0x1c/0x140
[ 4058.089825][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4058.089825][   T10]      addrconf_add_dev+0xe2/0x170
[ 4058.089825][   T10]      inet6_addr_add+0x12f/0xa40
[ 4058.089825][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.089825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.089825][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.089825][   T10]      netlink_unicast+0x449/0x710
[ 4058.089825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.089825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.089825][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.089825][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.089825][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.089825][   T10] 
[ 4058.091927][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.091927][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4058.091927][   T10]      ipv6_find_idev+0x102/0x170
[ 4058.091927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4058.091927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.091927][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.091927][   T10]      netlink_unicast+0x449/0x710
[ 4058.091927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.091927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.091927][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.091927][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.091927][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.091927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.091927][   T10] 
[ 4058.093664][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4058.093664][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4058.093664][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4058.093664][   T10]      ipv6_find_idev+0x102/0x170
[ 4058.093664][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4058.093664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.093664][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.093664][   T10]      netlink_unicast+0x449/0x710
[ 4058.093664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.093664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.093664][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.093664][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.093664][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.093664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.093664][   T10] 
[ 4058.095628][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4058.095933][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4058.095933][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.095933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.095933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.095933][   T10]      ip6_route_add+0x1c/0x140
[ 4058.095933][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4058.095933][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4058.095933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.095933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.095933][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.095933][   T10]      netlink_unicast+0x449/0x710
[ 4058.095933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.095933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.095933][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.095933][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.095933][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.095933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.095933][   T10] 
[ 4058.098213][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4058.098213][   T10]      netdev_get_by_index+0x5e/0x80
[ 4058.098213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4058.098213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4058.098213][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4058.098213][   T10]      ipv6_add_addr+0x411/0x2000
[ 4058.098213][   T10]      inet6_addr_add+0x30e/0xa40
[ 4058.098213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4058.098213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.098213][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.098213][   T10]      netlink_unicast+0x449/0x710
[ 4058.098213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.098213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.098213][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.098213][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.098213][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.098213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.098213][   T10] 
[ 4058.100410][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4058.100410][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4058.100410][   T10]      ipv6_find_idev+0x102/0x170
[ 4058.100410][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4058.100410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.100410][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.100410][   T10]      netlink_unicast+0x449/0x710
[ 4058.100410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.100410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.100410][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.100410][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.100410][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.100410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.100410][   T10] 
[ 4058.102144][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4058.102144][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4058.102144][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4058.102144][   T10]      ipv6_find_idev+0x102/0x170
[ 4058.102144][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4058.102144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4058.102144][   T10]      netlink_rcv_skb+0x130/0x360
[ 4058.102144][   T10]      netlink_unicast+0x449/0x710
[ 4058.102144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4058.102144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4058.102144][   T10]      ___sys_sendmsg+0xee/0x170
[ 4058.102144][   T10]      __sys_sendmsg+0xcd/0x170
[ 4058.102144][   T10]      do_syscall_64+0xc6/0x1e0
[ 4058.102144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4058.102144][   T10] 
[ 4068.344737][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4068.345199][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.345199][   T10]      dst_init+0x84/0x4a0
[ 4068.345199][   T10]      dst_alloc+0x97/0x150
[ 4068.345199][   T10]      ip6_dst_alloc+0x23/0x90
[ 4068.345199][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4068.345199][   T10]      ip6_pol_route+0x56f/0x840
[ 4068.345199][   T10]      fib6_rule_lookup+0x456/0x630
[ 4068.345199][   T10]      ip6_route_input+0x59c/0xa50
[ 4068.345199][   T10]      ipv6_rcv+0x397/0x810
[ 4068.345199][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4068.345199][   T10]      process_backlog+0x101/0x620
[ 4068.345199][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4068.345199][   T10]      net_rx_action+0x495/0xbe0
[ 4068.345199][   T10]      __do_softirq+0x1b5/0x7f6
[ 4068.345199][   T10] 
[ 4068.346892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.346892][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4068.346892][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4068.346892][   T10]      fib6_nh_init+0xa22/0x1580
[ 4068.346892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.346892][   T10]      ip6_route_add+0x1c/0x140
[ 4068.346892][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4068.346892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.346892][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.346892][   T10]      netlink_unicast+0x449/0x710
[ 4068.346892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.346892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.346892][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.346892][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.346892][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.346892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.346892][   T10] 
[ 4068.348809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.348809][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.348809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.348809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.348809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4068.348809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4068.348809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4068.348809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4068.348809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4068.348809][   T10]      addrconf_dad_begin+0x310/0x670
[ 4068.348809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4068.348809][   T10]      process_one_work+0x84d/0x18a0
[ 4068.348809][   T10]      worker_thread+0x587/0xd30
[ 4068.348809][   T10]      kthread+0x28a/0x350
[ 4068.348809][   T10]      ret_from_fork+0x31/0x70
[ 4068.348809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4068.348809][   T10] 
[ 4068.350746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.350746][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.350746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.350746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.350746][   T10]      ip6_route_add+0x1c/0x140
[ 4068.350746][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4068.350746][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4068.350746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.350746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.350746][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.350746][   T10]      netlink_unicast+0x449/0x710
[ 4068.350746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.350746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.350746][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.350746][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.350746][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.350746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.350746][   T10] 
[ 4068.352773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.352773][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.352773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.352773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.352773][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4068.352773][   T10]      ipv6_add_addr+0x411/0x2000
[ 4068.352773][   T10]      inet6_addr_add+0x30e/0xa40
[ 4068.352773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.352773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.352773][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.352773][   T10]      netlink_unicast+0x449/0x710
[ 4068.352773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.352773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.352773][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.352773][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.352773][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.352773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.352773][   T10] 
[ 4068.354800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.354800][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.354800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.354800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.354800][   T10]      ip6_route_add+0x1c/0x140
[ 4068.354800][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4068.354800][   T10]      addrconf_add_dev+0xe2/0x170
[ 4068.354800][   T10]      inet6_addr_add+0x12f/0xa40
[ 4068.354800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.354800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.354800][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.354800][   T10]      netlink_unicast+0x449/0x710
[ 4068.354800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.354800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.354800][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.354800][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.354800][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.354800][   T10] 
[ 4068.356799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.356799][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4068.356799][   T10]      ipv6_find_idev+0x102/0x170
[ 4068.356799][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4068.356799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.356799][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.356799][   T10]      netlink_unicast+0x449/0x710
[ 4068.356799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.356799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.356799][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.356799][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.356799][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.356799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.356799][   T10] 
[ 4068.358367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4068.358367][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4068.358367][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4068.358367][   T10]      ipv6_find_idev+0x102/0x170
[ 4068.358367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4068.358367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.358367][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.358367][   T10]      netlink_unicast+0x449/0x710
[ 4068.358367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.358367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.358367][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.358367][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.358367][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.358367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.358367][   T10] 
[ 4068.360097][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4068.360340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.360340][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4068.360340][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4068.360340][   T10]      fib6_nh_init+0xa22/0x1580
[ 4068.360340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.360340][   T10]      ip6_route_add+0x1c/0x140
[ 4068.360340][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4068.360340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.360340][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.360340][   T10]      netlink_unicast+0x449/0x710
[ 4068.360340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.360340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.360340][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.360340][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.360340][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.360340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.360340][   T10] 
[ 4068.362247][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.362247][   T10]      dst_init+0x84/0x4a0
[ 4068.362247][   T10]      dst_alloc+0x97/0x150
[ 4068.362247][   T10]      ip6_dst_alloc+0x23/0x90
[ 4068.362247][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4068.362247][   T10]      ip6_pol_route+0x56f/0x840
[ 4068.362247][   T10]      fib6_rule_lookup+0x456/0x630
[ 4068.362247][   T10]      ip6_route_input+0x59c/0xa50
[ 4068.362247][   T10]      ipv6_rcv+0x397/0x810
[ 4068.362247][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4068.362247][   T10]      process_backlog+0x101/0x620
[ 4068.362247][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4068.362247][   T10]      net_rx_action+0x495/0xbe0
[ 4068.362247][   T10]      __do_softirq+0x1b5/0x7f6
[ 4068.362247][   T10] 
[ 4068.363914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.363914][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.363914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.363914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.363914][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4068.363914][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4068.363914][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4068.363914][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4068.363914][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4068.363914][   T10]      addrconf_dad_begin+0x310/0x670
[ 4068.363914][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4068.363914][   T10]      process_one_work+0x84d/0x18a0
[ 4068.363914][   T10]      worker_thread+0x587/0xd30
[ 4068.363914][   T10]      kthread+0x28a/0x350
[ 4068.363914][   T10]      ret_from_fork+0x31/0x70
[ 4068.363914][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4068.363914][   T10] 
[ 4068.365848][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.365848][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.365848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.365848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.365848][   T10]      ip6_route_add+0x1c/0x140
[ 4068.365848][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4068.365848][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4068.365848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.365848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.365848][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.365848][   T10]      netlink_unicast+0x449/0x710
[ 4068.365848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.365848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.365848][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.365848][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.365848][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.365848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.365848][   T10] 
[ 4068.367885][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.367885][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.367885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.367885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.367885][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4068.367885][   T10]      ipv6_add_addr+0x411/0x2000
[ 4068.367885][   T10]      inet6_addr_add+0x30e/0xa40
[ 4068.367885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.367885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.367885][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.367885][   T10]      netlink_unicast+0x449/0x710
[ 4068.367885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.367885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.367885][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.367885][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.367885][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.367885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.367885][   T10] 
[ 4068.369903][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.369903][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.369903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.369903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.369903][   T10]      ip6_route_add+0x1c/0x140
[ 4068.369903][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4068.369903][   T10]      addrconf_add_dev+0xe2/0x170
[ 4068.369903][   T10]      inet6_addr_add+0x12f/0xa40
[ 4068.369903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.369903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.369903][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.369903][   T10]      netlink_unicast+0x449/0x710
[ 4068.369903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.369903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.369903][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.369903][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.369903][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.369903][   T10] 
[ 4068.372015][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.372015][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4068.372015][   T10]      ipv6_find_idev+0x102/0x170
[ 4068.372015][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4068.372015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.372015][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.372015][   T10]      netlink_unicast+0x449/0x710
[ 4068.372015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.372015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.372015][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.372015][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.372015][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.372015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.372015][   T10] 
[ 4068.373816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4068.373816][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4068.373816][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4068.373816][   T10]      ipv6_find_idev+0x102/0x170
[ 4068.373816][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4068.373816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.373816][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.373816][   T10]      netlink_unicast+0x449/0x710
[ 4068.373816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.373816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.373816][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.373816][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.373816][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.373816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.373816][   T10] 
[ 4068.375711][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4068.376010][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4068.376010][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.376010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.376010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.376010][   T10]      ip6_route_add+0x1c/0x140
[ 4068.376010][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4068.376010][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4068.376010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.376010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.376010][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.376010][   T10]      netlink_unicast+0x449/0x710
[ 4068.376010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.376010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.376010][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.376010][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.376010][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.376010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.376010][   T10] 
[ 4068.378284][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4068.378284][   T10]      netdev_get_by_index+0x5e/0x80
[ 4068.378284][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4068.378284][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4068.378284][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4068.378284][   T10]      ipv6_add_addr+0x411/0x2000
[ 4068.378284][   T10]      inet6_addr_add+0x30e/0xa40
[ 4068.378284][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4068.378284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.378284][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.378284][   T10]      netlink_unicast+0x449/0x710
[ 4068.378284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.378284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.378284][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.378284][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.378284][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.378284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.378284][   T10] 
[ 4068.380476][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4068.380476][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4068.380476][   T10]      ipv6_find_idev+0x102/0x170
[ 4068.380476][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4068.380476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.380476][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.380476][   T10]      netlink_unicast+0x449/0x710
[ 4068.380476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.380476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.380476][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.380476][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.380476][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.380476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.380476][   T10] 
[ 4068.382215][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4068.382215][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4068.382215][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4068.382215][   T10]      ipv6_find_idev+0x102/0x170
[ 4068.382215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4068.382215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4068.382215][   T10]      netlink_rcv_skb+0x130/0x360
[ 4068.382215][   T10]      netlink_unicast+0x449/0x710
[ 4068.382215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4068.382215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4068.382215][   T10]      ___sys_sendmsg+0xee/0x170
[ 4068.382215][   T10]      __sys_sendmsg+0xcd/0x170
[ 4068.382215][   T10]      do_syscall_64+0xc6/0x1e0
[ 4068.382215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4068.382215][   T10] 
[ 4078.624697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4078.625138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.625138][   T10]      dst_init+0x84/0x4a0
[ 4078.625138][   T10]      dst_alloc+0x97/0x150
[ 4078.625138][   T10]      ip6_dst_alloc+0x23/0x90
[ 4078.625138][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4078.625138][   T10]      ip6_pol_route+0x56f/0x840
[ 4078.625138][   T10]      fib6_rule_lookup+0x456/0x630
[ 4078.625138][   T10]      ip6_route_input+0x59c/0xa50
[ 4078.625138][   T10]      ipv6_rcv+0x397/0x810
[ 4078.625138][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4078.625138][   T10]      process_backlog+0x101/0x620
[ 4078.625138][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4078.625138][   T10]      net_rx_action+0x495/0xbe0
[ 4078.625138][   T10]      __do_softirq+0x1b5/0x7f6
[ 4078.625138][   T10] 
[ 4078.626999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.626999][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4078.626999][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4078.626999][   T10]      fib6_nh_init+0xa22/0x1580
[ 4078.626999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.626999][   T10]      ip6_route_add+0x1c/0x140
[ 4078.626999][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4078.626999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.626999][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.626999][   T10]      netlink_unicast+0x449/0x710
[ 4078.626999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.626999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.626999][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.626999][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.626999][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.626999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.626999][   T10] 
[ 4078.629125][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.629125][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.629125][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.629125][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.629125][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4078.629125][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4078.629125][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4078.629125][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4078.629125][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4078.629125][   T10]      addrconf_dad_begin+0x310/0x670
[ 4078.629125][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4078.629125][   T10]      process_one_work+0x84d/0x18a0
[ 4078.629125][   T10]      worker_thread+0x587/0xd30
[ 4078.629125][   T10]      kthread+0x28a/0x350
[ 4078.629125][   T10]      ret_from_fork+0x31/0x70
[ 4078.629125][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4078.629125][   T10] 
[ 4078.631256][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.631256][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.631256][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.631256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.631256][   T10]      ip6_route_add+0x1c/0x140
[ 4078.631256][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4078.631256][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4078.631256][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.631256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.631256][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.631256][   T10]      netlink_unicast+0x449/0x710
[ 4078.631256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.631256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.631256][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.631256][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.631256][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.631256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.631256][   T10] 
[ 4078.633486][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.633486][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.633486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.633486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.633486][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4078.633486][   T10]      ipv6_add_addr+0x411/0x2000
[ 4078.633486][   T10]      inet6_addr_add+0x30e/0xa40
[ 4078.633486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.633486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.633486][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.633486][   T10]      netlink_unicast+0x449/0x710
[ 4078.633486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.633486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.633486][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.633486][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.633486][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.633486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.633486][   T10] 
[ 4078.635730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.635730][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.635730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.635730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.635730][   T10]      ip6_route_add+0x1c/0x140
[ 4078.635730][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4078.635730][   T10]      addrconf_add_dev+0xe2/0x170
[ 4078.635730][   T10]      inet6_addr_add+0x12f/0xa40
[ 4078.635730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.635730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.635730][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.635730][   T10]      netlink_unicast+0x449/0x710
[ 4078.635730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.635730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.635730][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.635730][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.635730][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.635730][   T10] 
[ 4078.637928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.637928][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4078.637928][   T10]      ipv6_find_idev+0x102/0x170
[ 4078.637928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4078.637928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.637928][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.637928][   T10]      netlink_unicast+0x449/0x710
[ 4078.637928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.637928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.637928][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.637928][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.637928][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.637928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.637928][   T10] 
[ 4078.639655][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4078.639655][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4078.639655][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4078.639655][   T10]      ipv6_find_idev+0x102/0x170
[ 4078.639655][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4078.639655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.639655][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.639655][   T10]      netlink_unicast+0x449/0x710
[ 4078.639655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.639655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.639655][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.639655][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.639655][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.639655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.639655][   T10] 
[ 4078.642089][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4078.642351][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.642351][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4078.642351][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4078.642351][   T10]      fib6_nh_init+0xa22/0x1580
[ 4078.642351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.642351][   T10]      ip6_route_add+0x1c/0x140
[ 4078.642351][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4078.642351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.642351][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.642351][   T10]      netlink_unicast+0x449/0x710
[ 4078.642351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.642351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.642351][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.642351][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.642351][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.642351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.642351][   T10] 
[ 4078.644482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.644482][   T10]      dst_init+0x84/0x4a0
[ 4078.644482][   T10]      dst_alloc+0x97/0x150
[ 4078.644482][   T10]      ip6_dst_alloc+0x23/0x90
[ 4078.644482][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4078.644482][   T10]      ip6_pol_route+0x56f/0x840
[ 4078.644482][   T10]      fib6_rule_lookup+0x456/0x630
[ 4078.644482][   T10]      ip6_route_input+0x59c/0xa50
[ 4078.644482][   T10]      ipv6_rcv+0x397/0x810
[ 4078.644482][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4078.644482][   T10]      process_backlog+0x101/0x620
[ 4078.644482][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4078.644482][   T10]      net_rx_action+0x495/0xbe0
[ 4078.644482][   T10]      __do_softirq+0x1b5/0x7f6
[ 4078.644482][   T10] 
[ 4078.646718][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.646718][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.646718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.646718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.646718][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4078.646718][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4078.646718][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4078.646718][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4078.646718][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4078.646718][   T10]      addrconf_dad_begin+0x310/0x670
[ 4078.646718][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4078.646718][   T10]      process_one_work+0x84d/0x18a0
[ 4078.646718][   T10]      worker_thread+0x587/0xd30
[ 4078.646718][   T10]      kthread+0x28a/0x350
[ 4078.646718][   T10]      ret_from_fork+0x31/0x70
[ 4078.646718][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4078.646718][   T10] 
[ 4078.648852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.648852][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.648852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.648852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.648852][   T10]      ip6_route_add+0x1c/0x140
[ 4078.648852][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4078.648852][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4078.648852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.648852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.648852][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.648852][   T10]      netlink_unicast+0x449/0x710
[ 4078.648852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.648852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.648852][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.648852][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.648852][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.648852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.648852][   T10] 
[ 4078.651092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.651092][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.651092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.651092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.651092][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4078.651092][   T10]      ipv6_add_addr+0x411/0x2000
[ 4078.651092][   T10]      inet6_addr_add+0x30e/0xa40
[ 4078.651092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.651092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.651092][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.651092][   T10]      netlink_unicast+0x449/0x710
[ 4078.651092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.651092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.651092][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.651092][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.651092][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.651092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.651092][   T10] 
[ 4078.653316][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.653316][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.653316][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.653316][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.653316][   T10]      ip6_route_add+0x1c/0x140
[ 4078.653316][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4078.653316][   T10]      addrconf_add_dev+0xe2/0x170
[ 4078.653316][   T10]      inet6_addr_add+0x12f/0xa40
[ 4078.653316][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.653316][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.653316][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.653316][   T10]      netlink_unicast+0x449/0x710
[ 4078.653316][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.653316][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.653316][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.653316][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.653316][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.653316][   T10] 
[ 4078.655637][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.655637][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4078.655637][   T10]      ipv6_find_idev+0x102/0x170
[ 4078.655637][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4078.655637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.655637][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.655637][   T10]      netlink_unicast+0x449/0x710
[ 4078.655637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.655637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.655637][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.655637][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.655637][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.655637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.655637][   T10] 
[ 4078.657549][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4078.657549][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4078.657549][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4078.657549][   T10]      ipv6_find_idev+0x102/0x170
[ 4078.657549][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4078.657549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.657549][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.657549][   T10]      netlink_unicast+0x449/0x710
[ 4078.657549][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.657549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.657549][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.657549][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.657549][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.657549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.657549][   T10] 
[ 4078.659659][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4078.659980][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4078.659980][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.659980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.659980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.659980][   T10]      ip6_route_add+0x1c/0x140
[ 4078.659980][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4078.659980][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4078.659980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.659980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.659980][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.659980][   T10]      netlink_unicast+0x449/0x710
[ 4078.659980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.659980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.659980][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.659980][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.659980][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.659980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.659980][   T10] 
[ 4078.662441][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4078.662441][   T10]      netdev_get_by_index+0x5e/0x80
[ 4078.662441][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4078.662441][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4078.662441][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4078.662441][   T10]      ipv6_add_addr+0x411/0x2000
[ 4078.662441][   T10]      inet6_addr_add+0x30e/0xa40
[ 4078.662441][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4078.662441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.662441][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.662441][   T10]      netlink_unicast+0x449/0x710
[ 4078.662441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.662441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.662441][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.662441][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.662441][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.662441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.662441][   T10] 
[ 4078.664806][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4078.664806][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4078.664806][   T10]      ipv6_find_idev+0x102/0x170
[ 4078.664806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4078.664806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.664806][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.664806][   T10]      netlink_unicast+0x449/0x710
[ 4078.664806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.664806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.664806][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.664806][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.664806][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.664806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.664806][   T10] 
[ 4078.666708][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4078.666708][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4078.666708][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4078.666708][   T10]      ipv6_find_idev+0x102/0x170
[ 4078.666708][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4078.666708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4078.666708][   T10]      netlink_rcv_skb+0x130/0x360
[ 4078.666708][   T10]      netlink_unicast+0x449/0x710
[ 4078.666708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4078.666708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4078.666708][   T10]      ___sys_sendmsg+0xee/0x170
[ 4078.666708][   T10]      __sys_sendmsg+0xcd/0x170
[ 4078.666708][   T10]      do_syscall_64+0xc6/0x1e0
[ 4078.666708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4078.666708][   T10] 
[ 4088.920724][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4088.921175][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.921175][   T10]      dst_init+0x84/0x4a0
[ 4088.921175][   T10]      dst_alloc+0x97/0x150
[ 4088.921175][   T10]      ip6_dst_alloc+0x23/0x90
[ 4088.921175][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4088.921175][   T10]      ip6_pol_route+0x56f/0x840
[ 4088.921175][   T10]      fib6_rule_lookup+0x456/0x630
[ 4088.921175][   T10]      ip6_route_input+0x59c/0xa50
[ 4088.921175][   T10]      ipv6_rcv+0x397/0x810
[ 4088.921175][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4088.921175][   T10]      process_backlog+0x101/0x620
[ 4088.921175][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4088.921175][   T10]      net_rx_action+0x495/0xbe0
[ 4088.921175][   T10]      __do_softirq+0x1b5/0x7f6
[ 4088.921175][   T10] 
[ 4088.922862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.922862][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4088.922862][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4088.922862][   T10]      fib6_nh_init+0xa22/0x1580
[ 4088.922862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.922862][   T10]      ip6_route_add+0x1c/0x140
[ 4088.922862][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4088.922862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.922862][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.922862][   T10]      netlink_unicast+0x449/0x710
[ 4088.922862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.922862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.922862][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.922862][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.922862][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.922862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.922862][   T10] 
[ 4088.924791][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.924791][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.924791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.924791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.924791][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4088.924791][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4088.924791][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4088.924791][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4088.924791][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4088.924791][   T10]      addrconf_dad_begin+0x310/0x670
[ 4088.924791][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4088.924791][   T10]      process_one_work+0x84d/0x18a0
[ 4088.924791][   T10]      worker_thread+0x587/0xd30
[ 4088.924791][   T10]      kthread+0x28a/0x350
[ 4088.924791][   T10]      ret_from_fork+0x31/0x70
[ 4088.924791][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4088.924791][   T10] 
[ 4088.926738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.926738][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.926738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.926738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.926738][   T10]      ip6_route_add+0x1c/0x140
[ 4088.926738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4088.926738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4088.926738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.926738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.926738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.926738][   T10]      netlink_unicast+0x449/0x710
[ 4088.926738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.926738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.926738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.926738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.926738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.926738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.926738][   T10] 
[ 4088.928772][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.928772][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.928772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.928772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.928772][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4088.928772][   T10]      ipv6_add_addr+0x411/0x2000
[ 4088.928772][   T10]      inet6_addr_add+0x30e/0xa40
[ 4088.928772][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.928772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.928772][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.928772][   T10]      netlink_unicast+0x449/0x710
[ 4088.928772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.928772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.928772][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.928772][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.928772][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.928772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.928772][   T10] 
[ 4088.930793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.930793][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.930793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.930793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.930793][   T10]      ip6_route_add+0x1c/0x140
[ 4088.930793][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4088.930793][   T10]      addrconf_add_dev+0xe2/0x170
[ 4088.930793][   T10]      inet6_addr_add+0x12f/0xa40
[ 4088.930793][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.930793][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.930793][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.930793][   T10]      netlink_unicast+0x449/0x710
[ 4088.930793][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.930793][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.930793][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.930793][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.930793][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.930793][   T10] 
[ 4088.932782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.932782][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4088.932782][   T10]      ipv6_find_idev+0x102/0x170
[ 4088.932782][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4088.932782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.932782][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.932782][   T10]      netlink_unicast+0x449/0x710
[ 4088.932782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.932782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.932782][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.932782][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.932782][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.932782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.932782][   T10] 
[ 4088.934344][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4088.934344][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4088.934344][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4088.934344][   T10]      ipv6_find_idev+0x102/0x170
[ 4088.934344][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4088.934344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.934344][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.934344][   T10]      netlink_unicast+0x449/0x710
[ 4088.934344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.934344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.934344][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.934344][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.934344][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.934344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.934344][   T10] 
[ 4088.936075][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4088.936317][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.936317][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4088.936317][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4088.936317][   T10]      fib6_nh_init+0xa22/0x1580
[ 4088.936317][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.936317][   T10]      ip6_route_add+0x1c/0x140
[ 4088.936317][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4088.936317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.936317][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.936317][   T10]      netlink_unicast+0x449/0x710
[ 4088.936317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.936317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.936317][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.936317][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.936317][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.936317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.936317][   T10] 
[ 4088.938234][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.938234][   T10]      dst_init+0x84/0x4a0
[ 4088.938234][   T10]      dst_alloc+0x97/0x150
[ 4088.938234][   T10]      ip6_dst_alloc+0x23/0x90
[ 4088.938234][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4088.938234][   T10]      ip6_pol_route+0x56f/0x840
[ 4088.938234][   T10]      fib6_rule_lookup+0x456/0x630
[ 4088.938234][   T10]      ip6_route_input+0x59c/0xa50
[ 4088.938234][   T10]      ipv6_rcv+0x397/0x810
[ 4088.938234][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4088.938234][   T10]      process_backlog+0x101/0x620
[ 4088.938234][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4088.938234][   T10]      net_rx_action+0x495/0xbe0
[ 4088.938234][   T10]      __do_softirq+0x1b5/0x7f6
[ 4088.938234][   T10] 
[ 4088.939900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.939900][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.939900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.939900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.939900][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4088.939900][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4088.939900][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4088.939900][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4088.939900][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4088.939900][   T10]      addrconf_dad_begin+0x310/0x670
[ 4088.939900][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4088.939900][   T10]      process_one_work+0x84d/0x18a0
[ 4088.939900][   T10]      worker_thread+0x587/0xd30
[ 4088.939900][   T10]      kthread+0x28a/0x350
[ 4088.939900][   T10]      ret_from_fork+0x31/0x70
[ 4088.939900][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4088.939900][   T10] 
[ 4088.941829][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.941829][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.941829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.941829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.941829][   T10]      ip6_route_add+0x1c/0x140
[ 4088.941829][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4088.941829][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4088.941829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.941829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.941829][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.941829][   T10]      netlink_unicast+0x449/0x710
[ 4088.941829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.941829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.941829][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.941829][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.941829][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.941829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.941829][   T10] 
[ 4088.943852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.943852][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.943852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.943852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.943852][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4088.943852][   T10]      ipv6_add_addr+0x411/0x2000
[ 4088.943852][   T10]      inet6_addr_add+0x30e/0xa40
[ 4088.943852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.943852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.943852][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.943852][   T10]      netlink_unicast+0x449/0x710
[ 4088.943852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.943852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.943852][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.943852][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.943852][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.943852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.943852][   T10] 
[ 4088.945871][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.945871][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.945871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.945871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.945871][   T10]      ip6_route_add+0x1c/0x140
[ 4088.945871][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4088.945871][   T10]      addrconf_add_dev+0xe2/0x170
[ 4088.945871][   T10]      inet6_addr_add+0x12f/0xa40
[ 4088.945871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.945871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.945871][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.945871][   T10]      netlink_unicast+0x449/0x710
[ 4088.945871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.945871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.945871][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.945871][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.945871][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.945871][   T10] 
[ 4088.947991][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.947991][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4088.947991][   T10]      ipv6_find_idev+0x102/0x170
[ 4088.947991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4088.947991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.947991][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.947991][   T10]      netlink_unicast+0x449/0x710
[ 4088.947991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.947991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.947991][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.947991][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.947991][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.947991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.947991][   T10] 
[ 4088.949804][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4088.949804][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4088.949804][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4088.949804][   T10]      ipv6_find_idev+0x102/0x170
[ 4088.949804][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4088.949804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.949804][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.949804][   T10]      netlink_unicast+0x449/0x710
[ 4088.949804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.949804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.949804][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.949804][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.949804][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.949804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.949804][   T10] 
[ 4088.952215][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4088.952519][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4088.952519][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.952519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.952519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.952519][   T10]      ip6_route_add+0x1c/0x140
[ 4088.952519][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4088.952519][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4088.952519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.952519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.952519][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.952519][   T10]      netlink_unicast+0x449/0x710
[ 4088.952519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.952519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.952519][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.952519][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.952519][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.952519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.952519][   T10] 
[ 4088.954779][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4088.954779][   T10]      netdev_get_by_index+0x5e/0x80
[ 4088.954779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4088.954779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4088.954779][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4088.954779][   T10]      ipv6_add_addr+0x411/0x2000
[ 4088.954779][   T10]      inet6_addr_add+0x30e/0xa40
[ 4088.954779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4088.954779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.954779][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.954779][   T10]      netlink_unicast+0x449/0x710
[ 4088.954779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.954779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.954779][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.954779][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.954779][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.954779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.954779][   T10] 
[ 4088.956982][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4088.956982][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4088.956982][   T10]      ipv6_find_idev+0x102/0x170
[ 4088.956982][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4088.956982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.956982][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.956982][   T10]      netlink_unicast+0x449/0x710
[ 4088.956982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.956982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.956982][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.956982][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.956982][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.956982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.956982][   T10] 
[ 4088.958716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4088.958716][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4088.958716][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4088.958716][   T10]      ipv6_find_idev+0x102/0x170
[ 4088.958716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4088.958716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4088.958716][   T10]      netlink_rcv_skb+0x130/0x360
[ 4088.958716][   T10]      netlink_unicast+0x449/0x710
[ 4088.958716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4088.958716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4088.958716][   T10]      ___sys_sendmsg+0xee/0x170
[ 4088.958716][   T10]      __sys_sendmsg+0xcd/0x170
[ 4088.958716][   T10]      do_syscall_64+0xc6/0x1e0
[ 4088.958716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4088.958716][   T10] 
[ 4099.200748][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4099.201206][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.201206][   T10]      dst_init+0x84/0x4a0
[ 4099.201206][   T10]      dst_alloc+0x97/0x150
[ 4099.201206][   T10]      ip6_dst_alloc+0x23/0x90
[ 4099.201206][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4099.201206][   T10]      ip6_pol_route+0x56f/0x840
[ 4099.201206][   T10]      fib6_rule_lookup+0x456/0x630
[ 4099.201206][   T10]      ip6_route_input+0x59c/0xa50
[ 4099.201206][   T10]      ipv6_rcv+0x397/0x810
[ 4099.201206][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4099.201206][   T10]      process_backlog+0x101/0x620
[ 4099.201206][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4099.201206][   T10]      net_rx_action+0x495/0xbe0
[ 4099.201206][   T10]      __do_softirq+0x1b5/0x7f6
[ 4099.201206][   T10] 
[ 4099.202898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.202898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4099.202898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4099.202898][   T10]      fib6_nh_init+0xa22/0x1580
[ 4099.202898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.202898][   T10]      ip6_route_add+0x1c/0x140
[ 4099.202898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4099.202898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.202898][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.202898][   T10]      netlink_unicast+0x449/0x710
[ 4099.202898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.202898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.202898][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.202898][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.202898][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.202898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.202898][   T10] 
[ 4099.204816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.204816][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.204816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.204816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.204816][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4099.204816][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4099.204816][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4099.204816][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4099.204816][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4099.204816][   T10]      addrconf_dad_begin+0x310/0x670
[ 4099.204816][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4099.204816][   T10]      process_one_work+0x84d/0x18a0
[ 4099.204816][   T10]      worker_thread+0x587/0xd30
[ 4099.204816][   T10]      kthread+0x28a/0x350
[ 4099.204816][   T10]      ret_from_fork+0x31/0x70
[ 4099.204816][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4099.204816][   T10] 
[ 4099.206777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.206777][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.206777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.206777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.206777][   T10]      ip6_route_add+0x1c/0x140
[ 4099.206777][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4099.206777][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4099.206777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.206777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.206777][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.206777][   T10]      netlink_unicast+0x449/0x710
[ 4099.206777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.206777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.206777][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.206777][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.206777][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.206777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.206777][   T10] 
[ 4099.208807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.208807][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.208807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.208807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.208807][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4099.208807][   T10]      ipv6_add_addr+0x411/0x2000
[ 4099.208807][   T10]      inet6_addr_add+0x30e/0xa40
[ 4099.208807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.208807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.208807][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.208807][   T10]      netlink_unicast+0x449/0x710
[ 4099.208807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.208807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.208807][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.208807][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.208807][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.208807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.208807][   T10] 
[ 4099.210841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.210841][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.210841][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.210841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.210841][   T10]      ip6_route_add+0x1c/0x140
[ 4099.210841][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4099.210841][   T10]      addrconf_add_dev+0xe2/0x170
[ 4099.210841][   T10]      inet6_addr_add+0x12f/0xa40
[ 4099.210841][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.210841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.210841][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.210841][   T10]      netlink_unicast+0x449/0x710
[ 4099.210841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.210841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.210841][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.210841][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.210841][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.210841][   T10] 
[ 4099.212833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.212833][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4099.212833][   T10]      ipv6_find_idev+0x102/0x170
[ 4099.212833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4099.212833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.212833][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.212833][   T10]      netlink_unicast+0x449/0x710
[ 4099.212833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.212833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.212833][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.212833][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.212833][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.212833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.212833][   T10] 
[ 4099.214398][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4099.214398][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4099.214398][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4099.214398][   T10]      ipv6_find_idev+0x102/0x170
[ 4099.214398][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4099.214398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.214398][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.214398][   T10]      netlink_unicast+0x449/0x710
[ 4099.214398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.214398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.214398][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.214398][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.214398][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.214398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.214398][   T10] 
[ 4099.216151][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4099.216399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.216399][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4099.216399][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4099.216399][   T10]      fib6_nh_init+0xa22/0x1580
[ 4099.216399][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.216399][   T10]      ip6_route_add+0x1c/0x140
[ 4099.216399][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4099.216399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.216399][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.216399][   T10]      netlink_unicast+0x449/0x710
[ 4099.216399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.216399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.216399][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.216399][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.216399][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.216399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.216399][   T10] 
[ 4099.218314][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.218314][   T10]      dst_init+0x84/0x4a0
[ 4099.218314][   T10]      dst_alloc+0x97/0x150
[ 4099.218314][   T10]      ip6_dst_alloc+0x23/0x90
[ 4099.218314][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4099.218314][   T10]      ip6_pol_route+0x56f/0x840
[ 4099.218314][   T10]      fib6_rule_lookup+0x456/0x630
[ 4099.218314][   T10]      ip6_route_input+0x59c/0xa50
[ 4099.218314][   T10]      ipv6_rcv+0x397/0x810
[ 4099.218314][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4099.218314][   T10]      process_backlog+0x101/0x620
[ 4099.218314][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4099.218314][   T10]      net_rx_action+0x495/0xbe0
[ 4099.218314][   T10]      __do_softirq+0x1b5/0x7f6
[ 4099.218314][   T10] 
[ 4099.219973][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.219973][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.219973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.219973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.219973][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4099.219973][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4099.219973][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4099.219973][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4099.219973][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4099.219973][   T10]      addrconf_dad_begin+0x310/0x670
[ 4099.219973][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4099.219973][   T10]      process_one_work+0x84d/0x18a0
[ 4099.219973][   T10]      worker_thread+0x587/0xd30
[ 4099.219973][   T10]      kthread+0x28a/0x350
[ 4099.219973][   T10]      ret_from_fork+0x31/0x70
[ 4099.219973][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4099.219973][   T10] 
[ 4099.221908][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.221908][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.221908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.221908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.221908][   T10]      ip6_route_add+0x1c/0x140
[ 4099.221908][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4099.221908][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4099.221908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.221908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.221908][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.221908][   T10]      netlink_unicast+0x449/0x710
[ 4099.221908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.221908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.221908][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.221908][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.221908][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.221908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.221908][   T10] 
[ 4099.223938][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.223938][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.223938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.223938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.223938][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4099.223938][   T10]      ipv6_add_addr+0x411/0x2000
[ 4099.223938][   T10]      inet6_addr_add+0x30e/0xa40
[ 4099.223938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.223938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.223938][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.223938][   T10]      netlink_unicast+0x449/0x710
[ 4099.223938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.223938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.223938][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.223938][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.223938][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.223938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.223938][   T10] 
[ 4099.225969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.225969][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.225969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.225969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.225969][   T10]      ip6_route_add+0x1c/0x140
[ 4099.225969][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4099.225969][   T10]      addrconf_add_dev+0xe2/0x170
[ 4099.225969][   T10]      inet6_addr_add+0x12f/0xa40
[ 4099.225969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.225969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.225969][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.225969][   T10]      netlink_unicast+0x449/0x710
[ 4099.225969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.225969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.225969][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.225969][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.225969][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.225969][   T10] 
[ 4099.228028][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.228028][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4099.228028][   T10]      ipv6_find_idev+0x102/0x170
[ 4099.228028][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4099.228028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.228028][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.228028][   T10]      netlink_unicast+0x449/0x710
[ 4099.228028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.228028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.228028][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.228028][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.228028][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.228028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.228028][   T10] 
[ 4099.229720][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4099.229720][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4099.229720][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4099.229720][   T10]      ipv6_find_idev+0x102/0x170
[ 4099.229720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4099.229720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.229720][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.229720][   T10]      netlink_unicast+0x449/0x710
[ 4099.229720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.229720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.229720][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.229720][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.229720][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.229720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.229720][   T10] 
[ 4099.231575][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4099.231833][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4099.231833][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.231833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.231833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.231833][   T10]      ip6_route_add+0x1c/0x140
[ 4099.231833][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4099.231833][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4099.231833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.231833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.231833][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.231833][   T10]      netlink_unicast+0x449/0x710
[ 4099.231833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.231833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.231833][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.231833][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.231833][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.231833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.231833][   T10] 
[ 4099.234101][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4099.234101][   T10]      netdev_get_by_index+0x5e/0x80
[ 4099.234101][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4099.234101][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4099.234101][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4099.234101][   T10]      ipv6_add_addr+0x411/0x2000
[ 4099.234101][   T10]      inet6_addr_add+0x30e/0xa40
[ 4099.234101][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4099.234101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.234101][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.234101][   T10]      netlink_unicast+0x449/0x710
[ 4099.234101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.234101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.234101][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.234101][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.234101][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.234101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.234101][   T10] 
[ 4099.236359][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4099.236359][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4099.236359][   T10]      ipv6_find_idev+0x102/0x170
[ 4099.236359][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4099.236359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.236359][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.236359][   T10]      netlink_unicast+0x449/0x710
[ 4099.236359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.236359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.236359][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.236359][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.236359][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.236359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.236359][   T10] 
[ 4099.238110][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4099.238110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4099.238110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4099.238110][   T10]      ipv6_find_idev+0x102/0x170
[ 4099.238110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4099.238110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4099.238110][   T10]      netlink_rcv_skb+0x130/0x360
[ 4099.238110][   T10]      netlink_unicast+0x449/0x710
[ 4099.238110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4099.238110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4099.238110][   T10]      ___sys_sendmsg+0xee/0x170
[ 4099.238110][   T10]      __sys_sendmsg+0xcd/0x170
[ 4099.238110][   T10]      do_syscall_64+0xc6/0x1e0
[ 4099.238110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4099.238110][   T10] 
[ 4109.336731][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4109.337171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.337171][   T10]      dst_init+0x84/0x4a0
[ 4109.337171][   T10]      dst_alloc+0x97/0x150
[ 4109.337171][   T10]      ip6_dst_alloc+0x23/0x90
[ 4109.337171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4109.337171][   T10]      ip6_pol_route+0x56f/0x840
[ 4109.337171][   T10]      fib6_rule_lookup+0x456/0x630
[ 4109.337171][   T10]      ip6_route_input+0x59c/0xa50
[ 4109.337171][   T10]      ipv6_rcv+0x397/0x810
[ 4109.337171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4109.337171][   T10]      process_backlog+0x101/0x620
[ 4109.337171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4109.337171][   T10]      net_rx_action+0x495/0xbe0
[ 4109.337171][   T10]      __do_softirq+0x1b5/0x7f6
[ 4109.337171][   T10] 
[ 4109.339056][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.339056][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4109.339056][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4109.339056][   T10]      fib6_nh_init+0xa22/0x1580
[ 4109.339056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.339056][   T10]      ip6_route_add+0x1c/0x140
[ 4109.339056][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4109.339056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.339056][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.339056][   T10]      netlink_unicast+0x449/0x710
[ 4109.339056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.339056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.339056][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.339056][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.339056][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.339056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.339056][   T10] 
[ 4109.341152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.341152][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.341152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.341152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.341152][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4109.341152][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4109.341152][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4109.341152][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4109.341152][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4109.341152][   T10]      addrconf_dad_begin+0x310/0x670
[ 4109.341152][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4109.341152][   T10]      process_one_work+0x84d/0x18a0
[ 4109.341152][   T10]      worker_thread+0x587/0xd30
[ 4109.341152][   T10]      kthread+0x28a/0x350
[ 4109.341152][   T10]      ret_from_fork+0x31/0x70
[ 4109.341152][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4109.341152][   T10] 
[ 4109.343300][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.343300][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.343300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.343300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.343300][   T10]      ip6_route_add+0x1c/0x140
[ 4109.343300][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4109.343300][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4109.343300][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.343300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.343300][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.343300][   T10]      netlink_unicast+0x449/0x710
[ 4109.343300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.343300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.343300][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.343300][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.343300][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.343300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.343300][   T10] 
[ 4109.345546][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.345546][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.345546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.345546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.345546][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4109.345546][   T10]      ipv6_add_addr+0x411/0x2000
[ 4109.345546][   T10]      inet6_addr_add+0x30e/0xa40
[ 4109.345546][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.345546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.345546][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.345546][   T10]      netlink_unicast+0x449/0x710
[ 4109.345546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.345546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.345546][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.345546][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.345546][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.345546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.345546][   T10] 
[ 4109.347792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.347792][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.347792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.347792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.347792][   T10]      ip6_route_add+0x1c/0x140
[ 4109.347792][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4109.347792][   T10]      addrconf_add_dev+0xe2/0x170
[ 4109.347792][   T10]      inet6_addr_add+0x12f/0xa40
[ 4109.347792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.347792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.347792][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.347792][   T10]      netlink_unicast+0x449/0x710
[ 4109.347792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.347792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.347792][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.347792][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.347792][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.347792][   T10] 
[ 4109.349978][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.349978][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4109.349978][   T10]      ipv6_find_idev+0x102/0x170
[ 4109.349978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4109.349978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.349978][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.349978][   T10]      netlink_unicast+0x449/0x710
[ 4109.349978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.349978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.349978][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.349978][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.349978][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.349978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.349978][   T10] 
[ 4109.351686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4109.351686][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4109.351686][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4109.351686][   T10]      ipv6_find_idev+0x102/0x170
[ 4109.351686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4109.351686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.351686][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.351686][   T10]      netlink_unicast+0x449/0x710
[ 4109.351686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.351686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.351686][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.351686][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.351686][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.351686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.351686][   T10] 
[ 4109.353564][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4109.353843][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.353843][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4109.353843][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4109.353843][   T10]      fib6_nh_init+0xa22/0x1580
[ 4109.353843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.353843][   T10]      ip6_route_add+0x1c/0x140
[ 4109.353843][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4109.353843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.353843][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.353843][   T10]      netlink_unicast+0x449/0x710
[ 4109.353843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.353843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.353843][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.353843][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.353843][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.353843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.353843][   T10] 
[ 4109.355930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.355930][   T10]      dst_init+0x84/0x4a0
[ 4109.355930][   T10]      dst_alloc+0x97/0x150
[ 4109.355930][   T10]      ip6_dst_alloc+0x23/0x90
[ 4109.355930][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4109.355930][   T10]      ip6_pol_route+0x56f/0x840
[ 4109.355930][   T10]      fib6_rule_lookup+0x456/0x630
[ 4109.355930][   T10]      ip6_route_input+0x59c/0xa50
[ 4109.355930][   T10]      ipv6_rcv+0x397/0x810
[ 4109.355930][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4109.355930][   T10]      process_backlog+0x101/0x620
[ 4109.355930][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4109.355930][   T10]      net_rx_action+0x495/0xbe0
[ 4109.355930][   T10]      __do_softirq+0x1b5/0x7f6
[ 4109.355930][   T10] 
[ 4109.357774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.357774][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.357774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.357774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.357774][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4109.357774][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4109.357774][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4109.357774][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4109.357774][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4109.357774][   T10]      addrconf_dad_begin+0x310/0x670
[ 4109.357774][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4109.357774][   T10]      process_one_work+0x84d/0x18a0
[ 4109.357774][   T10]      worker_thread+0x587/0xd30
[ 4109.357774][   T10]      kthread+0x28a/0x350
[ 4109.357774][   T10]      ret_from_fork+0x31/0x70
[ 4109.357774][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4109.357774][   T10] 
[ 4109.359891][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.359891][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.359891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.359891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.359891][   T10]      ip6_route_add+0x1c/0x140
[ 4109.359891][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4109.359891][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4109.359891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.359891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.359891][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.359891][   T10]      netlink_unicast+0x449/0x710
[ 4109.359891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.359891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.359891][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.359891][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.359891][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.359891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.359891][   T10] 
[ 4109.362096][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.362096][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.362096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.362096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.362096][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4109.362096][   T10]      ipv6_add_addr+0x411/0x2000
[ 4109.362096][   T10]      inet6_addr_add+0x30e/0xa40
[ 4109.362096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.362096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.362096][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.362096][   T10]      netlink_unicast+0x449/0x710
[ 4109.362096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.362096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.362096][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.362096][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.362096][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.362096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.362096][   T10] 
[ 4109.364330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.364330][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.364330][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.364330][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.364330][   T10]      ip6_route_add+0x1c/0x140
[ 4109.364330][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4109.364330][   T10]      addrconf_add_dev+0xe2/0x170
[ 4109.364330][   T10]      inet6_addr_add+0x12f/0xa40
[ 4109.364330][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.364330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.364330][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.364330][   T10]      netlink_unicast+0x449/0x710
[ 4109.364330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.364330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.364330][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.364330][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.364330][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.364330][   T10] 
[ 4109.366663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.366663][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4109.366663][   T10]      ipv6_find_idev+0x102/0x170
[ 4109.366663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4109.366663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.366663][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.366663][   T10]      netlink_unicast+0x449/0x710
[ 4109.366663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.366663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.366663][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.366663][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.366663][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.366663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.366663][   T10] 
[ 4109.368615][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4109.368615][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4109.368615][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4109.368615][   T10]      ipv6_find_idev+0x102/0x170
[ 4109.368615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4109.368615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.368615][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.368615][   T10]      netlink_unicast+0x449/0x710
[ 4109.368615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.368615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.368615][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.368615][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.368615][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.368615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.368615][   T10] 
[ 4109.370672][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4109.371014][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4109.371014][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.371014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.371014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.371014][   T10]      ip6_route_add+0x1c/0x140
[ 4109.371014][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4109.371014][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4109.371014][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.371014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.371014][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.371014][   T10]      netlink_unicast+0x449/0x710
[ 4109.371014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.371014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.371014][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.371014][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.371014][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.371014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.371014][   T10] 
[ 4109.373408][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4109.373408][   T10]      netdev_get_by_index+0x5e/0x80
[ 4109.373408][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4109.373408][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4109.373408][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4109.373408][   T10]      ipv6_add_addr+0x411/0x2000
[ 4109.373408][   T10]      inet6_addr_add+0x30e/0xa40
[ 4109.373408][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4109.373408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.373408][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.373408][   T10]      netlink_unicast+0x449/0x710
[ 4109.373408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.373408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.373408][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.373408][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.373408][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.373408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.373408][   T10] 
[ 4109.375757][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4109.375757][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4109.375757][   T10]      ipv6_find_idev+0x102/0x170
[ 4109.375757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4109.375757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.375757][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.375757][   T10]      netlink_unicast+0x449/0x710
[ 4109.375757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.375757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.375757][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.375757][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.375757][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.375757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.375757][   T10] 
[ 4109.377653][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4109.377653][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4109.377653][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4109.377653][   T10]      ipv6_find_idev+0x102/0x170
[ 4109.377653][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4109.377653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4109.377653][   T10]      netlink_rcv_skb+0x130/0x360
[ 4109.377653][   T10]      netlink_unicast+0x449/0x710
[ 4109.377653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4109.377653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4109.377653][   T10]      ___sys_sendmsg+0xee/0x170
[ 4109.377653][   T10]      __sys_sendmsg+0xcd/0x170
[ 4109.377653][   T10]      do_syscall_64+0xc6/0x1e0
[ 4109.377653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4109.377653][   T10] 
[ 4119.448811][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4119.449760][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.449760][   T10]      dst_init+0x84/0x4a0
[ 4119.449760][   T10]      dst_alloc+0x97/0x150
[ 4119.449760][   T10]      ip6_dst_alloc+0x23/0x90
[ 4119.449760][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4119.449760][   T10]      ip6_pol_route+0x56f/0x840
[ 4119.449760][   T10]      fib6_rule_lookup+0x456/0x630
[ 4119.449760][   T10]      ip6_route_input+0x59c/0xa50
[ 4119.449760][   T10]      ipv6_rcv+0x397/0x810
[ 4119.449760][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4119.449760][   T10]      process_backlog+0x101/0x620
[ 4119.449760][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4119.449760][   T10]      net_rx_action+0x495/0xbe0
[ 4119.449760][   T10]      __do_softirq+0x1b5/0x7f6
[ 4119.449760][   T10] 
[ 4119.451612][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.451612][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4119.451612][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4119.451612][   T10]      fib6_nh_init+0xa22/0x1580
[ 4119.451612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.451612][   T10]      ip6_route_add+0x1c/0x140
[ 4119.451612][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4119.451612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.451612][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.451612][   T10]      netlink_unicast+0x449/0x710
[ 4119.451612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.451612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.451612][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.451612][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.451612][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.451612][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.451612][   T10] 
[ 4119.453709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.453709][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.453709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.453709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.453709][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4119.453709][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4119.453709][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4119.453709][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4119.453709][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4119.453709][   T10]      addrconf_dad_begin+0x310/0x670
[ 4119.453709][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4119.453709][   T10]      process_one_work+0x84d/0x18a0
[ 4119.453709][   T10]      worker_thread+0x587/0xd30
[ 4119.453709][   T10]      kthread+0x28a/0x350
[ 4119.453709][   T10]      ret_from_fork+0x31/0x70
[ 4119.453709][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4119.453709][   T10] 
[ 4119.455844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.455844][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.455844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.455844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.455844][   T10]      ip6_route_add+0x1c/0x140
[ 4119.455844][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4119.455844][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4119.455844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.455844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.455844][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.455844][   T10]      netlink_unicast+0x449/0x710
[ 4119.455844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.455844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.455844][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.455844][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.455844][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.455844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.455844][   T10] 
[ 4119.458090][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.458090][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.458090][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.458090][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.458090][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4119.458090][   T10]      ipv6_add_addr+0x411/0x2000
[ 4119.458090][   T10]      inet6_addr_add+0x30e/0xa40
[ 4119.458090][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.458090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.458090][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.458090][   T10]      netlink_unicast+0x449/0x710
[ 4119.458090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.458090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.458090][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.458090][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.458090][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.458090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.458090][   T10] 
[ 4119.460315][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.460315][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.460315][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.460315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.460315][   T10]      ip6_route_add+0x1c/0x140
[ 4119.460315][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4119.460315][   T10]      addrconf_add_dev+0xe2/0x170
[ 4119.460315][   T10]      inet6_addr_add+0x12f/0xa40
[ 4119.460315][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.460315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.460315][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.460315][   T10]      netlink_unicast+0x449/0x710
[ 4119.460315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.460315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.460315][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.460315][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.460315][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.460315][   T10] 
[ 4119.462508][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.462508][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4119.462508][   T10]      ipv6_find_idev+0x102/0x170
[ 4119.462508][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4119.462508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.462508][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.462508][   T10]      netlink_unicast+0x449/0x710
[ 4119.462508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.462508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.462508][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.462508][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.462508][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.462508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.462508][   T10] 
[ 4119.464219][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4119.464219][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4119.464219][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4119.464219][   T10]      ipv6_find_idev+0x102/0x170
[ 4119.464219][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4119.464219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.464219][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.464219][   T10]      netlink_unicast+0x449/0x710
[ 4119.464219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.464219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.464219][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.464219][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.464219][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.464219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.464219][   T10] 
[ 4119.466484][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4119.466782][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.466782][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4119.466782][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4119.466782][   T10]      fib6_nh_init+0xa22/0x1580
[ 4119.466782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.466782][   T10]      ip6_route_add+0x1c/0x140
[ 4119.466782][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4119.466782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.466782][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.466782][   T10]      netlink_unicast+0x449/0x710
[ 4119.466782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.466782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.466782][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.466782][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.466782][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.466782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.466782][   T10] 
[ 4119.468882][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.468882][   T10]      dst_init+0x84/0x4a0
[ 4119.468882][   T10]      dst_alloc+0x97/0x150
[ 4119.468882][   T10]      ip6_dst_alloc+0x23/0x90
[ 4119.468882][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4119.468882][   T10]      ip6_pol_route+0x56f/0x840
[ 4119.468882][   T10]      fib6_rule_lookup+0x456/0x630
[ 4119.468882][   T10]      ip6_route_input+0x59c/0xa50
[ 4119.468882][   T10]      ipv6_rcv+0x397/0x810
[ 4119.468882][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4119.468882][   T10]      process_backlog+0x101/0x620
[ 4119.468882][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4119.468882][   T10]      net_rx_action+0x495/0xbe0
[ 4119.468882][   T10]      __do_softirq+0x1b5/0x7f6
[ 4119.468882][   T10] 
[ 4119.470714][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.470714][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.470714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.470714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.470714][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4119.470714][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4119.470714][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4119.470714][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4119.470714][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4119.470714][   T10]      addrconf_dad_begin+0x310/0x670
[ 4119.470714][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4119.470714][   T10]      process_one_work+0x84d/0x18a0
[ 4119.470714][   T10]      worker_thread+0x587/0xd30
[ 4119.470714][   T10]      kthread+0x28a/0x350
[ 4119.470714][   T10]      ret_from_fork+0x31/0x70
[ 4119.470714][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4119.470714][   T10] 
[ 4119.472836][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.472836][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.472836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.472836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.472836][   T10]      ip6_route_add+0x1c/0x140
[ 4119.472836][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4119.472836][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4119.472836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.472836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.472836][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.472836][   T10]      netlink_unicast+0x449/0x710
[ 4119.472836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.472836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.472836][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.472836][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.472836][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.472836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.472836][   T10] 
[ 4119.475064][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.475064][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.475064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.475064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.475064][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4119.475064][   T10]      ipv6_add_addr+0x411/0x2000
[ 4119.475064][   T10]      inet6_addr_add+0x30e/0xa40
[ 4119.475064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.475064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.475064][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.475064][   T10]      netlink_unicast+0x449/0x710
[ 4119.475064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.475064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.475064][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.475064][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.475064][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.475064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.475064][   T10] 
[ 4119.477303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.477303][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.477303][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.477303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.477303][   T10]      ip6_route_add+0x1c/0x140
[ 4119.477303][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4119.477303][   T10]      addrconf_add_dev+0xe2/0x170
[ 4119.477303][   T10]      inet6_addr_add+0x12f/0xa40
[ 4119.477303][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.477303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.477303][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.477303][   T10]      netlink_unicast+0x449/0x710
[ 4119.477303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.477303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.477303][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.477303][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.477303][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.477303][   T10] 
[ 4119.479615][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.479615][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4119.479615][   T10]      ipv6_find_idev+0x102/0x170
[ 4119.479615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4119.479615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.479615][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.479615][   T10]      netlink_unicast+0x449/0x710
[ 4119.479615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.479615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.479615][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.479615][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.479615][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.479615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.479615][   T10] 
[ 4119.481509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4119.481509][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4119.481509][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4119.481509][   T10]      ipv6_find_idev+0x102/0x170
[ 4119.481509][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4119.481509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.481509][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.481509][   T10]      netlink_unicast+0x449/0x710
[ 4119.481509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.481509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.481509][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.481509][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.481509][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.481509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.481509][   T10] 
[ 4119.483627][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4119.483959][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4119.483959][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.483959][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.483959][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.483959][   T10]      ip6_route_add+0x1c/0x140
[ 4119.483959][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4119.483959][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4119.483959][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.483959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.483959][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.483959][   T10]      netlink_unicast+0x449/0x710
[ 4119.483959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.483959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.483959][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.483959][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.483959][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.483959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.483959][   T10] 
[ 4119.486397][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4119.486397][   T10]      netdev_get_by_index+0x5e/0x80
[ 4119.486397][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4119.486397][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4119.486397][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4119.486397][   T10]      ipv6_add_addr+0x411/0x2000
[ 4119.486397][   T10]      inet6_addr_add+0x30e/0xa40
[ 4119.486397][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4119.486397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.486397][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.486397][   T10]      netlink_unicast+0x449/0x710
[ 4119.486397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.486397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.486397][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.486397][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.486397][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.486397][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.486397][   T10] 
[ 4119.488752][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4119.488752][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4119.488752][   T10]      ipv6_find_idev+0x102/0x170
[ 4119.488752][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4119.488752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.488752][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.488752][   T10]      netlink_unicast+0x449/0x710
[ 4119.488752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.488752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.488752][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.488752][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.488752][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.488752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.488752][   T10] 
[ 4119.490666][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4119.490666][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4119.490666][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4119.490666][   T10]      ipv6_find_idev+0x102/0x170
[ 4119.490666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4119.490666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4119.490666][   T10]      netlink_rcv_skb+0x130/0x360
[ 4119.490666][   T10]      netlink_unicast+0x449/0x710
[ 4119.490666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4119.490666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4119.490666][   T10]      ___sys_sendmsg+0xee/0x170
[ 4119.490666][   T10]      __sys_sendmsg+0xcd/0x170
[ 4119.490666][   T10]      do_syscall_64+0xc6/0x1e0
[ 4119.490666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4119.490666][   T10] 
[ 4129.698860][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4129.699317][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.699317][   T10]      dst_init+0x84/0x4a0
[ 4129.699317][   T10]      dst_alloc+0x97/0x150
[ 4129.699317][   T10]      ip6_dst_alloc+0x23/0x90
[ 4129.699317][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4129.699317][   T10]      ip6_pol_route+0x56f/0x840
[ 4129.699317][   T10]      fib6_rule_lookup+0x456/0x630
[ 4129.699317][   T10]      ip6_route_input+0x59c/0xa50
[ 4129.699317][   T10]      ipv6_rcv+0x397/0x810
[ 4129.699317][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4129.699317][   T10]      process_backlog+0x101/0x620
[ 4129.699317][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4129.699317][   T10]      net_rx_action+0x495/0xbe0
[ 4129.699317][   T10]      __do_softirq+0x1b5/0x7f6
[ 4129.699317][   T10] 
[ 4129.700982][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.700982][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4129.700982][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4129.700982][   T10]      fib6_nh_init+0xa22/0x1580
[ 4129.700982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.700982][   T10]      ip6_route_add+0x1c/0x140
[ 4129.700982][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4129.700982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.700982][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.700982][   T10]      netlink_unicast+0x449/0x710
[ 4129.700982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.700982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.700982][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.700982][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.700982][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.700982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.700982][   T10] 
[ 4129.702892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.702892][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.702892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.702892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.702892][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4129.702892][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4129.702892][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4129.702892][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4129.702892][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4129.702892][   T10]      addrconf_dad_begin+0x310/0x670
[ 4129.702892][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4129.702892][   T10]      process_one_work+0x84d/0x18a0
[ 4129.702892][   T10]      worker_thread+0x587/0xd30
[ 4129.702892][   T10]      kthread+0x28a/0x350
[ 4129.702892][   T10]      ret_from_fork+0x31/0x70
[ 4129.702892][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4129.702892][   T10] 
[ 4129.704825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.704825][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.704825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.704825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.704825][   T10]      ip6_route_add+0x1c/0x140
[ 4129.704825][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4129.704825][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4129.704825][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.704825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.704825][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.704825][   T10]      netlink_unicast+0x449/0x710
[ 4129.704825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.704825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.704825][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.704825][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.704825][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.704825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.704825][   T10] 
[ 4129.706881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.706881][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.706881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.706881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.706881][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4129.706881][   T10]      ipv6_add_addr+0x411/0x2000
[ 4129.706881][   T10]      inet6_addr_add+0x30e/0xa40
[ 4129.706881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.706881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.706881][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.706881][   T10]      netlink_unicast+0x449/0x710
[ 4129.706881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.706881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.706881][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.706881][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.706881][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.706881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.706881][   T10] 
[ 4129.708907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.708907][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.708907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.708907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.708907][   T10]      ip6_route_add+0x1c/0x140
[ 4129.708907][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4129.708907][   T10]      addrconf_add_dev+0xe2/0x170
[ 4129.708907][   T10]      inet6_addr_add+0x12f/0xa40
[ 4129.708907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.708907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.708907][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.708907][   T10]      netlink_unicast+0x449/0x710
[ 4129.708907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.708907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.708907][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.708907][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.708907][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.708907][   T10] 
[ 4129.710892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.710892][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4129.710892][   T10]      ipv6_find_idev+0x102/0x170
[ 4129.710892][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4129.710892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.710892][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.710892][   T10]      netlink_unicast+0x449/0x710
[ 4129.710892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.710892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.710892][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.710892][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.710892][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.710892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.710892][   T10] 
[ 4129.712458][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4129.712458][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4129.712458][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4129.712458][   T10]      ipv6_find_idev+0x102/0x170
[ 4129.712458][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4129.712458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.712458][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.712458][   T10]      netlink_unicast+0x449/0x710
[ 4129.712458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.712458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.712458][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.712458][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.712458][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.712458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.712458][   T10] 
[ 4129.714204][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4129.714460][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.714460][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4129.714460][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4129.714460][   T10]      fib6_nh_init+0xa22/0x1580
[ 4129.714460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.714460][   T10]      ip6_route_add+0x1c/0x140
[ 4129.714460][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4129.714460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.714460][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.714460][   T10]      netlink_unicast+0x449/0x710
[ 4129.714460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.714460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.714460][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.714460][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.714460][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.714460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.714460][   T10] 
[ 4129.716366][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.716366][   T10]      dst_init+0x84/0x4a0
[ 4129.716366][   T10]      dst_alloc+0x97/0x150
[ 4129.716366][   T10]      ip6_dst_alloc+0x23/0x90
[ 4129.716366][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4129.716366][   T10]      ip6_pol_route+0x56f/0x840
[ 4129.716366][   T10]      fib6_rule_lookup+0x456/0x630
[ 4129.716366][   T10]      ip6_route_input+0x59c/0xa50
[ 4129.716366][   T10]      ipv6_rcv+0x397/0x810
[ 4129.716366][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4129.716366][   T10]      process_backlog+0x101/0x620
[ 4129.716366][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4129.716366][   T10]      net_rx_action+0x495/0xbe0
[ 4129.716366][   T10]      __do_softirq+0x1b5/0x7f6
[ 4129.716366][   T10] 
[ 4129.718040][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.718040][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.718040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.718040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.718040][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4129.718040][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4129.718040][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4129.718040][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4129.718040][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4129.718040][   T10]      addrconf_dad_begin+0x310/0x670
[ 4129.718040][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4129.718040][   T10]      process_one_work+0x84d/0x18a0
[ 4129.718040][   T10]      worker_thread+0x587/0xd30
[ 4129.718040][   T10]      kthread+0x28a/0x350
[ 4129.718040][   T10]      ret_from_fork+0x31/0x70
[ 4129.718040][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4129.718040][   T10] 
[ 4129.719986][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.719986][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.719986][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.719986][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.719986][   T10]      ip6_route_add+0x1c/0x140
[ 4129.719986][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4129.719986][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4129.719986][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.719986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.719986][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.719986][   T10]      netlink_unicast+0x449/0x710
[ 4129.719986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.719986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.719986][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.719986][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.719986][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.719986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.719986][   T10] 
[ 4129.722029][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.722029][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.722029][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.722029][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.722029][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4129.722029][   T10]      ipv6_add_addr+0x411/0x2000
[ 4129.722029][   T10]      inet6_addr_add+0x30e/0xa40
[ 4129.722029][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.722029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.722029][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.722029][   T10]      netlink_unicast+0x449/0x710
[ 4129.722029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.722029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.722029][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.722029][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.722029][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.722029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.722029][   T10] 
[ 4129.724049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.724049][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.724049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.724049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.724049][   T10]      ip6_route_add+0x1c/0x140
[ 4129.724049][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4129.724049][   T10]      addrconf_add_dev+0xe2/0x170
[ 4129.724049][   T10]      inet6_addr_add+0x12f/0xa40
[ 4129.724049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.724049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.724049][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.724049][   T10]      netlink_unicast+0x449/0x710
[ 4129.724049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.724049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.724049][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.724049][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.724049][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.724049][   T10] 
[ 4129.726223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.726223][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4129.726223][   T10]      ipv6_find_idev+0x102/0x170
[ 4129.726223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4129.726223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.726223][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.726223][   T10]      netlink_unicast+0x449/0x710
[ 4129.726223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.726223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.726223][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.726223][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.726223][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.726223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.726223][   T10] 
[ 4129.728044][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4129.728044][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4129.728044][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4129.728044][   T10]      ipv6_find_idev+0x102/0x170
[ 4129.728044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4129.728044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.728044][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.728044][   T10]      netlink_unicast+0x449/0x710
[ 4129.728044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.728044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.728044][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.728044][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.728044][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.728044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.728044][   T10] 
[ 4129.729954][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4129.730197][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4129.730197][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.730197][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.730197][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.730197][   T10]      ip6_route_add+0x1c/0x140
[ 4129.730197][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4129.730197][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4129.730197][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.730197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.730197][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.730197][   T10]      netlink_unicast+0x449/0x710
[ 4129.730197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.730197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.730197][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.730197][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.730197][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.730197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.730197][   T10] 
[ 4129.732501][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4129.732501][   T10]      netdev_get_by_index+0x5e/0x80
[ 4129.732501][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4129.732501][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4129.732501][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4129.732501][   T10]      ipv6_add_addr+0x411/0x2000
[ 4129.732501][   T10]      inet6_addr_add+0x30e/0xa40
[ 4129.732501][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4129.732501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.732501][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.732501][   T10]      netlink_unicast+0x449/0x710
[ 4129.732501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.732501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.732501][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.732501][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.732501][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.732501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.732501][   T10] 
[ 4129.734759][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4129.734759][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4129.734759][   T10]      ipv6_find_idev+0x102/0x170
[ 4129.734759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4129.734759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.734759][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.734759][   T10]      netlink_unicast+0x449/0x710
[ 4129.734759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.734759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.734759][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.734759][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.734759][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.734759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.734759][   T10] 
[ 4129.736564][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4129.736564][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4129.736564][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4129.736564][   T10]      ipv6_find_idev+0x102/0x170
[ 4129.736564][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4129.736564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4129.736564][   T10]      netlink_rcv_skb+0x130/0x360
[ 4129.736564][   T10]      netlink_unicast+0x449/0x710
[ 4129.736564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4129.736564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4129.736564][   T10]      ___sys_sendmsg+0xee/0x170
[ 4129.736564][   T10]      __sys_sendmsg+0xcd/0x170
[ 4129.736564][   T10]      do_syscall_64+0xc6/0x1e0
[ 4129.736564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4129.736564][   T10] 
[ 4139.976691][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4139.977171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.977171][   T10]      dst_init+0x84/0x4a0
[ 4139.977171][   T10]      dst_alloc+0x97/0x150
[ 4139.977171][   T10]      ip6_dst_alloc+0x23/0x90
[ 4139.977171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4139.977171][   T10]      ip6_pol_route+0x56f/0x840
[ 4139.977171][   T10]      fib6_rule_lookup+0x456/0x630
[ 4139.977171][   T10]      ip6_route_input+0x59c/0xa50
[ 4139.977171][   T10]      ipv6_rcv+0x397/0x810
[ 4139.977171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4139.977171][   T10]      process_backlog+0x101/0x620
[ 4139.977171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4139.977171][   T10]      net_rx_action+0x495/0xbe0
[ 4139.977171][   T10]      __do_softirq+0x1b5/0x7f6
[ 4139.977171][   T10] 
[ 4139.978879][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.978879][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4139.978879][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4139.978879][   T10]      fib6_nh_init+0xa22/0x1580
[ 4139.978879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.978879][   T10]      ip6_route_add+0x1c/0x140
[ 4139.978879][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4139.978879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.978879][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.978879][   T10]      netlink_unicast+0x449/0x710
[ 4139.978879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.978879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.978879][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.978879][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.978879][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.978879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4139.978879][   T10] 
[ 4139.980772][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.980772][   T10]      netdev_get_by_index+0x5e/0x80
[ 4139.980772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4139.980772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.980772][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4139.980772][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4139.980772][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4139.980772][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4139.980772][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4139.980772][   T10]      addrconf_dad_begin+0x310/0x670
[ 4139.980772][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4139.980772][   T10]      process_one_work+0x84d/0x18a0
[ 4139.980772][   T10]      worker_thread+0x587/0xd30
[ 4139.980772][   T10]      kthread+0x28a/0x350
[ 4139.980772][   T10]      ret_from_fork+0x31/0x70
[ 4139.980772][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4139.980772][   T10] 
[ 4139.983252][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.983252][   T10]      netdev_get_by_index+0x5e/0x80
[ 4139.983252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4139.983252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.983252][   T10]      ip6_route_add+0x1c/0x140
[ 4139.983252][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4139.983252][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4139.983252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4139.983252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.983252][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.983252][   T10]      netlink_unicast+0x449/0x710
[ 4139.983252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.983252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.983252][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.983252][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.983252][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.983252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4139.983252][   T10] 
[ 4139.985281][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.985281][   T10]      netdev_get_by_index+0x5e/0x80
[ 4139.985281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4139.985281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.985281][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4139.985281][   T10]      ipv6_add_addr+0x411/0x2000
[ 4139.985281][   T10]      inet6_addr_add+0x30e/0xa40
[ 4139.985281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4139.985281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.985281][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.985281][   T10]      netlink_unicast+0x449/0x710
[ 4139.985281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.985281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.985281][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.985281][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.985281][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.985281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4139.985281][   T10] 
[ 4139.987336][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.987336][   T10]      netdev_get_by_index+0x5e/0x80
[ 4139.987336][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4139.987336][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.987336][   T10]      ip6_route_add+0x1c/0x140
[ 4139.987336][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4139.987336][   T10]      addrconf_add_dev+0xe2/0x170
[ 4139.987336][   T10]      inet6_addr_add+0x12f/0xa40
[ 4139.987336][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4139.987336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.987336][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.987336][   T10]      netlink_unicast+0x449/0x710
[ 4139.987336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.987336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.987336][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.987336][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.987336][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.987336][   T10] 
[ 4139.989355][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.989355][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4139.989355][   T10]      ipv6_find_idev+0x102/0x170
[ 4139.989355][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4139.989355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.989355][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.989355][   T10]      netlink_unicast+0x449/0x710
[ 4139.989355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.989355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.989355][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.989355][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.989355][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.989355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4139.989355][   T10] 
[ 4139.990919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4139.990919][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4139.990919][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4139.990919][   T10]      ipv6_find_idev+0x102/0x170
[ 4139.990919][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4139.990919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.990919][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.990919][   T10]      netlink_unicast+0x449/0x710
[ 4139.990919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.990919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.990919][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.990919][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.990919][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.990919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4139.990919][   T10] 
[ 4139.992654][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4139.992898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4139.992898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4139.992898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4139.992898][   T10]      fib6_nh_init+0xa22/0x1580
[ 4139.992898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.992898][   T10]      ip6_route_add+0x1c/0x140
[ 4139.992898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4139.992898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.992898][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.992898][   T10]      netlink_unicast+0x449/0x710
[ 4139.992898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.992898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.992898][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.992898][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.992898][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.992898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4139.992898][   T10] 
[ 4139.994811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4139.994811][   T10]      dst_init+0x84/0x4a0
[ 4139.994811][   T10]      dst_alloc+0x97/0x150
[ 4139.994811][   T10]      ip6_dst_alloc+0x23/0x90
[ 4139.994811][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4139.994811][   T10]      ip6_pol_route+0x56f/0x840
[ 4139.994811][   T10]      fib6_rule_lookup+0x456/0x630
[ 4139.994811][   T10]      ip6_route_input+0x59c/0xa50
[ 4139.994811][   T10]      ipv6_rcv+0x397/0x810
[ 4139.994811][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4139.994811][   T10]      process_backlog+0x101/0x620
[ 4139.994811][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4139.994811][   T10]      net_rx_action+0x495/0xbe0
[ 4139.994811][   T10]      __do_softirq+0x1b5/0x7f6
[ 4139.994811][   T10] 
[ 4139.996956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4139.996956][   T10]      netdev_get_by_index+0x5e/0x80
[ 4139.996956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4139.996956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.996956][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4139.996956][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4139.996956][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4139.996956][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4139.996956][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4139.996956][   T10]      addrconf_dad_begin+0x310/0x670
[ 4139.996956][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4139.996956][   T10]      process_one_work+0x84d/0x18a0
[ 4139.996956][   T10]      worker_thread+0x587/0xd30
[ 4139.996956][   T10]      kthread+0x28a/0x350
[ 4139.996956][   T10]      ret_from_fork+0x31/0x70
[ 4139.996956][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4139.996956][   T10] 
[ 4139.998893][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4139.998893][   T10]      netdev_get_by_index+0x5e/0x80
[ 4139.998893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4139.998893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4139.998893][   T10]      ip6_route_add+0x1c/0x140
[ 4139.998893][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4139.998893][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4139.998893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4139.998893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4139.998893][   T10]      netlink_rcv_skb+0x130/0x360
[ 4139.998893][   T10]      netlink_unicast+0x449/0x710
[ 4139.998893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4139.998893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4139.998893][   T10]      ___sys_sendmsg+0xee/0x170
[ 4139.998893][   T10]      __sys_sendmsg+0xcd/0x170
[ 4139.998893][   T10]      do_syscall_64+0xc6/0x1e0
[ 4139.998893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4139.998893][   T10] 
[ 4140.000919][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4140.000919][   T10]      netdev_get_by_index+0x5e/0x80
[ 4140.000919][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4140.000919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4140.000919][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4140.000919][   T10]      ipv6_add_addr+0x411/0x2000
[ 4140.000919][   T10]      inet6_addr_add+0x30e/0xa40
[ 4140.000919][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4140.000919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.000919][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.000919][   T10]      netlink_unicast+0x449/0x710
[ 4140.000919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.000919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.000919][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.000919][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.000919][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.000919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4140.000919][   T10] 
[ 4140.002946][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4140.002946][   T10]      netdev_get_by_index+0x5e/0x80
[ 4140.002946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4140.002946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4140.002946][   T10]      ip6_route_add+0x1c/0x140
[ 4140.002946][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4140.002946][   T10]      addrconf_add_dev+0xe2/0x170
[ 4140.002946][   T10]      inet6_addr_add+0x12f/0xa40
[ 4140.002946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4140.002946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.002946][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.002946][   T10]      netlink_unicast+0x449/0x710
[ 4140.002946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.002946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.002946][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.002946][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.002946][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.002946][   T10] 
[ 4140.005081][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4140.005081][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4140.005081][   T10]      ipv6_find_idev+0x102/0x170
[ 4140.005081][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4140.005081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.005081][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.005081][   T10]      netlink_unicast+0x449/0x710
[ 4140.005081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.005081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.005081][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.005081][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.005081][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.005081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4140.005081][   T10] 
[ 4140.006715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4140.006715][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4140.006715][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4140.006715][   T10]      ipv6_find_idev+0x102/0x170
[ 4140.006715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4140.006715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.006715][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.006715][   T10]      netlink_unicast+0x449/0x710
[ 4140.006715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.006715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.006715][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.006715][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.006715][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.006715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4140.006715][   T10] 
[ 4140.008571][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4140.008836][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4140.008836][   T10]      netdev_get_by_index+0x5e/0x80
[ 4140.008836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4140.008836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4140.008836][   T10]      ip6_route_add+0x1c/0x140
[ 4140.008836][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4140.008836][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4140.008836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4140.008836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.008836][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.008836][   T10]      netlink_unicast+0x449/0x710
[ 4140.008836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.008836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.008836][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.008836][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.008836][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.008836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4140.008836][   T10] 
[ 4140.011008][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4140.011008][   T10]      netdev_get_by_index+0x5e/0x80
[ 4140.011008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4140.011008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4140.011008][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4140.011008][   T10]      ipv6_add_addr+0x411/0x2000
[ 4140.011008][   T10]      inet6_addr_add+0x30e/0xa40
[ 4140.011008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4140.011008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.011008][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.011008][   T10]      netlink_unicast+0x449/0x710
[ 4140.011008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.011008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.011008][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.011008][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.011008][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.011008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4140.011008][   T10] 
[ 4140.013175][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4140.013175][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4140.013175][   T10]      ipv6_find_idev+0x102/0x170
[ 4140.013175][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4140.013175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.013175][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.013175][   T10]      netlink_unicast+0x449/0x710
[ 4140.013175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.013175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.013175][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.013175][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.013175][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.013175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4140.013175][   T10] 
[ 4140.014895][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4140.014895][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4140.014895][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4140.014895][   T10]      ipv6_find_idev+0x102/0x170
[ 4140.014895][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4140.014895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4140.014895][   T10]      netlink_rcv_skb+0x130/0x360
[ 4140.014895][   T10]      netlink_unicast+0x449/0x710
[ 4140.014895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4140.014895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4140.014895][   T10]      ___sys_sendmsg+0xee/0x170
[ 4140.014895][   T10]      __sys_sendmsg+0xcd/0x170
[ 4140.014895][   T10]      do_syscall_64+0xc6/0x1e0
[ 4140.014895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4140.014895][   T10] 
[ 4150.258901][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4150.259357][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.259357][   T10]      dst_init+0x84/0x4a0
[ 4150.259357][   T10]      dst_alloc+0x97/0x150
[ 4150.259357][   T10]      ip6_dst_alloc+0x23/0x90
[ 4150.259357][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4150.259357][   T10]      ip6_pol_route+0x56f/0x840
[ 4150.259357][   T10]      fib6_rule_lookup+0x456/0x630
[ 4150.259357][   T10]      ip6_route_input+0x59c/0xa50
[ 4150.259357][   T10]      ipv6_rcv+0x397/0x810
[ 4150.259357][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4150.259357][   T10]      process_backlog+0x101/0x620
[ 4150.259357][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4150.259357][   T10]      net_rx_action+0x495/0xbe0
[ 4150.259357][   T10]      __do_softirq+0x1b5/0x7f6
[ 4150.259357][   T10] 
[ 4150.261061][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.261061][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4150.261061][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4150.261061][   T10]      fib6_nh_init+0xa22/0x1580
[ 4150.261061][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.261061][   T10]      ip6_route_add+0x1c/0x140
[ 4150.261061][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4150.261061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.261061][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.261061][   T10]      netlink_unicast+0x449/0x710
[ 4150.261061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.261061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.261061][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.261061][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.261061][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.261061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.261061][   T10] 
[ 4150.262974][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.262974][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.262974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.262974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.262974][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4150.262974][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4150.262974][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4150.262974][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4150.262974][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4150.262974][   T10]      addrconf_dad_begin+0x310/0x670
[ 4150.262974][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4150.262974][   T10]      process_one_work+0x84d/0x18a0
[ 4150.262974][   T10]      worker_thread+0x587/0xd30
[ 4150.262974][   T10]      kthread+0x28a/0x350
[ 4150.262974][   T10]      ret_from_fork+0x31/0x70
[ 4150.262974][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4150.262974][   T10] 
[ 4150.264925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.264925][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.264925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.264925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.264925][   T10]      ip6_route_add+0x1c/0x140
[ 4150.264925][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4150.264925][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4150.264925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.264925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.264925][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.264925][   T10]      netlink_unicast+0x449/0x710
[ 4150.264925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.264925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.264925][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.264925][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.264925][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.264925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.264925][   T10] 
[ 4150.266964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.266964][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.266964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.266964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.266964][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4150.266964][   T10]      ipv6_add_addr+0x411/0x2000
[ 4150.266964][   T10]      inet6_addr_add+0x30e/0xa40
[ 4150.266964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.266964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.266964][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.266964][   T10]      netlink_unicast+0x449/0x710
[ 4150.266964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.266964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.266964][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.266964][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.266964][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.266964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.266964][   T10] 
[ 4150.268998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.268998][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.268998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.268998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.268998][   T10]      ip6_route_add+0x1c/0x140
[ 4150.268998][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4150.268998][   T10]      addrconf_add_dev+0xe2/0x170
[ 4150.268998][   T10]      inet6_addr_add+0x12f/0xa40
[ 4150.268998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.268998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.268998][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.268998][   T10]      netlink_unicast+0x449/0x710
[ 4150.268998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.268998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.268998][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.268998][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.268998][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.268998][   T10] 
[ 4150.271001][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.271001][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4150.271001][   T10]      ipv6_find_idev+0x102/0x170
[ 4150.271001][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4150.271001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.271001][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.271001][   T10]      netlink_unicast+0x449/0x710
[ 4150.271001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.271001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.271001][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.271001][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.271001][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.271001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.271001][   T10] 
[ 4150.272563][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4150.272563][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4150.272563][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4150.272563][   T10]      ipv6_find_idev+0x102/0x170
[ 4150.272563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4150.272563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.272563][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.272563][   T10]      netlink_unicast+0x449/0x710
[ 4150.272563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.272563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.272563][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.272563][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.272563][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.272563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.272563][   T10] 
[ 4150.274308][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4150.274557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.274557][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4150.274557][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4150.274557][   T10]      fib6_nh_init+0xa22/0x1580
[ 4150.274557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.274557][   T10]      ip6_route_add+0x1c/0x140
[ 4150.274557][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4150.274557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.274557][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.274557][   T10]      netlink_unicast+0x449/0x710
[ 4150.274557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.274557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.274557][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.274557][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.274557][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.274557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.274557][   T10] 
[ 4150.276472][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.276472][   T10]      dst_init+0x84/0x4a0
[ 4150.276472][   T10]      dst_alloc+0x97/0x150
[ 4150.276472][   T10]      ip6_dst_alloc+0x23/0x90
[ 4150.276472][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4150.276472][   T10]      ip6_pol_route+0x56f/0x840
[ 4150.276472][   T10]      fib6_rule_lookup+0x456/0x630
[ 4150.276472][   T10]      ip6_route_input+0x59c/0xa50
[ 4150.276472][   T10]      ipv6_rcv+0x397/0x810
[ 4150.276472][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4150.276472][   T10]      process_backlog+0x101/0x620
[ 4150.276472][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4150.276472][   T10]      net_rx_action+0x495/0xbe0
[ 4150.276472][   T10]      __do_softirq+0x1b5/0x7f6
[ 4150.276472][   T10] 
[ 4150.278130][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.278130][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.278130][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.278130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.278130][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4150.278130][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4150.278130][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4150.278130][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4150.278130][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4150.278130][   T10]      addrconf_dad_begin+0x310/0x670
[ 4150.278130][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4150.278130][   T10]      process_one_work+0x84d/0x18a0
[ 4150.278130][   T10]      worker_thread+0x587/0xd30
[ 4150.278130][   T10]      kthread+0x28a/0x350
[ 4150.278130][   T10]      ret_from_fork+0x31/0x70
[ 4150.278130][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4150.278130][   T10] 
[ 4150.280071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.280071][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.280071][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.280071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.280071][   T10]      ip6_route_add+0x1c/0x140
[ 4150.280071][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4150.280071][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4150.280071][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.280071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.280071][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.280071][   T10]      netlink_unicast+0x449/0x710
[ 4150.280071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.280071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.280071][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.280071][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.280071][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.280071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.280071][   T10] 
[ 4150.282093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.282093][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.282093][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.282093][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.282093][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4150.282093][   T10]      ipv6_add_addr+0x411/0x2000
[ 4150.282093][   T10]      inet6_addr_add+0x30e/0xa40
[ 4150.282093][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.282093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.282093][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.282093][   T10]      netlink_unicast+0x449/0x710
[ 4150.282093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.282093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.282093][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.282093][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.282093][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.282093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.282093][   T10] 
[ 4150.284119][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.284119][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.284119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.284119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.284119][   T10]      ip6_route_add+0x1c/0x140
[ 4150.284119][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4150.284119][   T10]      addrconf_add_dev+0xe2/0x170
[ 4150.284119][   T10]      inet6_addr_add+0x12f/0xa40
[ 4150.284119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.284119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.284119][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.284119][   T10]      netlink_unicast+0x449/0x710
[ 4150.284119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.284119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.284119][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.284119][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.284119][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.284119][   T10] 
[ 4150.286291][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.286291][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4150.286291][   T10]      ipv6_find_idev+0x102/0x170
[ 4150.286291][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4150.286291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.286291][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.286291][   T10]      netlink_unicast+0x449/0x710
[ 4150.286291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.286291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.286291][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.286291][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.286291][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.286291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.286291][   T10] 
[ 4150.288104][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4150.288104][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4150.288104][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4150.288104][   T10]      ipv6_find_idev+0x102/0x170
[ 4150.288104][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4150.288104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.288104][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.288104][   T10]      netlink_unicast+0x449/0x710
[ 4150.288104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.288104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.288104][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.288104][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.288104][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.288104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.288104][   T10] 
[ 4150.290008][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4150.290252][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4150.290252][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.290252][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.290252][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.290252][   T10]      ip6_route_add+0x1c/0x140
[ 4150.290252][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4150.290252][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4150.290252][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.290252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.290252][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.290252][   T10]      netlink_unicast+0x449/0x710
[ 4150.290252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.290252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.290252][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.290252][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.290252][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.290252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.290252][   T10] 
[ 4150.292521][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4150.292521][   T10]      netdev_get_by_index+0x5e/0x80
[ 4150.292521][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4150.292521][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4150.292521][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4150.292521][   T10]      ipv6_add_addr+0x411/0x2000
[ 4150.292521][   T10]      inet6_addr_add+0x30e/0xa40
[ 4150.292521][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4150.292521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.292521][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.292521][   T10]      netlink_unicast+0x449/0x710
[ 4150.292521][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.292521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.292521][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.292521][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.292521][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.292521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.292521][   T10] 
[ 4150.294777][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4150.294777][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4150.294777][   T10]      ipv6_find_idev+0x102/0x170
[ 4150.294777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4150.294777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.294777][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.294777][   T10]      netlink_unicast+0x449/0x710
[ 4150.294777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.294777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.294777][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.294777][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.294777][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.294777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.294777][   T10] 
[ 4150.296585][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4150.296585][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4150.296585][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4150.296585][   T10]      ipv6_find_idev+0x102/0x170
[ 4150.296585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4150.296585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4150.296585][   T10]      netlink_rcv_skb+0x130/0x360
[ 4150.296585][   T10]      netlink_unicast+0x449/0x710
[ 4150.296585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4150.296585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4150.296585][   T10]      ___sys_sendmsg+0xee/0x170
[ 4150.296585][   T10]      __sys_sendmsg+0xcd/0x170
[ 4150.296585][   T10]      do_syscall_64+0xc6/0x1e0
[ 4150.296585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4150.296585][   T10] 
[ 4160.376715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4160.377177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.377177][   T10]      dst_init+0x84/0x4a0
[ 4160.377177][   T10]      dst_alloc+0x97/0x150
[ 4160.377177][   T10]      ip6_dst_alloc+0x23/0x90
[ 4160.377177][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4160.377177][   T10]      ip6_pol_route+0x56f/0x840
[ 4160.377177][   T10]      fib6_rule_lookup+0x456/0x630
[ 4160.377177][   T10]      ip6_route_input+0x59c/0xa50
[ 4160.377177][   T10]      ipv6_rcv+0x397/0x810
[ 4160.377177][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4160.377177][   T10]      process_backlog+0x101/0x620
[ 4160.377177][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4160.377177][   T10]      net_rx_action+0x495/0xbe0
[ 4160.377177][   T10]      __do_softirq+0x1b5/0x7f6
[ 4160.377177][   T10] 
[ 4160.378876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.378876][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4160.378876][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4160.378876][   T10]      fib6_nh_init+0xa22/0x1580
[ 4160.378876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.378876][   T10]      ip6_route_add+0x1c/0x140
[ 4160.378876][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4160.378876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.378876][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.378876][   T10]      netlink_unicast+0x449/0x710
[ 4160.378876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.378876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.378876][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.378876][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.378876][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.378876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.378876][   T10] 
[ 4160.380805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.380805][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.380805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.380805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.380805][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4160.380805][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4160.380805][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4160.380805][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4160.380805][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4160.380805][   T10]      addrconf_dad_begin+0x310/0x670
[ 4160.380805][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4160.380805][   T10]      process_one_work+0x84d/0x18a0
[ 4160.380805][   T10]      worker_thread+0x587/0xd30
[ 4160.380805][   T10]      kthread+0x28a/0x350
[ 4160.380805][   T10]      ret_from_fork+0x31/0x70
[ 4160.380805][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4160.380805][   T10] 
[ 4160.382742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.382742][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.382742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.382742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.382742][   T10]      ip6_route_add+0x1c/0x140
[ 4160.382742][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4160.382742][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4160.382742][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.382742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.382742][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.382742][   T10]      netlink_unicast+0x449/0x710
[ 4160.382742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.382742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.382742][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.382742][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.382742][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.382742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.382742][   T10] 
[ 4160.384768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.384768][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.384768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.384768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.384768][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4160.384768][   T10]      ipv6_add_addr+0x411/0x2000
[ 4160.384768][   T10]      inet6_addr_add+0x30e/0xa40
[ 4160.384768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.384768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.384768][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.384768][   T10]      netlink_unicast+0x449/0x710
[ 4160.384768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.384768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.384768][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.384768][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.384768][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.384768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.384768][   T10] 
[ 4160.386809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.386809][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.386809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.386809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.386809][   T10]      ip6_route_add+0x1c/0x140
[ 4160.386809][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4160.386809][   T10]      addrconf_add_dev+0xe2/0x170
[ 4160.386809][   T10]      inet6_addr_add+0x12f/0xa40
[ 4160.386809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.386809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.386809][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.386809][   T10]      netlink_unicast+0x449/0x710
[ 4160.386809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.386809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.386809][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.386809][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.386809][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.386809][   T10] 
[ 4160.388813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.388813][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4160.388813][   T10]      ipv6_find_idev+0x102/0x170
[ 4160.388813][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4160.388813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.388813][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.388813][   T10]      netlink_unicast+0x449/0x710
[ 4160.388813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.388813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.388813][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.388813][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.388813][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.388813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.388813][   T10] 
[ 4160.390371][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4160.390371][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4160.390371][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4160.390371][   T10]      ipv6_find_idev+0x102/0x170
[ 4160.390371][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4160.390371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.390371][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.390371][   T10]      netlink_unicast+0x449/0x710
[ 4160.390371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.390371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.390371][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.390371][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.390371][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.390371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.390371][   T10] 
[ 4160.392111][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4160.392376][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.392376][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4160.392376][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4160.392376][   T10]      fib6_nh_init+0xa22/0x1580
[ 4160.392376][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.392376][   T10]      ip6_route_add+0x1c/0x140
[ 4160.392376][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4160.392376][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.392376][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.392376][   T10]      netlink_unicast+0x449/0x710
[ 4160.392376][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.392376][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.392376][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.392376][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.392376][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.392376][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.392376][   T10] 
[ 4160.394284][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.394284][   T10]      dst_init+0x84/0x4a0
[ 4160.394284][   T10]      dst_alloc+0x97/0x150
[ 4160.394284][   T10]      ip6_dst_alloc+0x23/0x90
[ 4160.394284][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4160.394284][   T10]      ip6_pol_route+0x56f/0x840
[ 4160.394284][   T10]      fib6_rule_lookup+0x456/0x630
[ 4160.394284][   T10]      ip6_route_input+0x59c/0xa50
[ 4160.394284][   T10]      ipv6_rcv+0x397/0x810
[ 4160.394284][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4160.394284][   T10]      process_backlog+0x101/0x620
[ 4160.394284][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4160.394284][   T10]      net_rx_action+0x495/0xbe0
[ 4160.394284][   T10]      __do_softirq+0x1b5/0x7f6
[ 4160.394284][   T10] 
[ 4160.395935][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.395935][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.395935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.395935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.395935][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4160.395935][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4160.395935][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4160.395935][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4160.395935][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4160.395935][   T10]      addrconf_dad_begin+0x310/0x670
[ 4160.395935][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4160.395935][   T10]      process_one_work+0x84d/0x18a0
[ 4160.395935][   T10]      worker_thread+0x587/0xd30
[ 4160.395935][   T10]      kthread+0x28a/0x350
[ 4160.395935][   T10]      ret_from_fork+0x31/0x70
[ 4160.395935][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4160.395935][   T10] 
[ 4160.397872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.397872][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.397872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.397872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.397872][   T10]      ip6_route_add+0x1c/0x140
[ 4160.397872][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4160.397872][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4160.397872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.397872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.397872][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.397872][   T10]      netlink_unicast+0x449/0x710
[ 4160.397872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.397872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.397872][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.397872][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.397872][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.397872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.397872][   T10] 
[ 4160.399918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.399918][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.399918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.399918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.399918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4160.399918][   T10]      ipv6_add_addr+0x411/0x2000
[ 4160.399918][   T10]      inet6_addr_add+0x30e/0xa40
[ 4160.399918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.399918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.399918][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.399918][   T10]      netlink_unicast+0x449/0x710
[ 4160.399918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.399918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.399918][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.399918][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.399918][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.399918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.399918][   T10] 
[ 4160.401933][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.401933][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.401933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.401933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.401933][   T10]      ip6_route_add+0x1c/0x140
[ 4160.401933][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4160.401933][   T10]      addrconf_add_dev+0xe2/0x170
[ 4160.401933][   T10]      inet6_addr_add+0x12f/0xa40
[ 4160.401933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.401933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.401933][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.401933][   T10]      netlink_unicast+0x449/0x710
[ 4160.401933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.401933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.401933][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.401933][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.401933][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.401933][   T10] 
[ 4160.404106][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.404106][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4160.404106][   T10]      ipv6_find_idev+0x102/0x170
[ 4160.404106][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4160.404106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.404106][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.404106][   T10]      netlink_unicast+0x449/0x710
[ 4160.404106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.404106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.404106][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.404106][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.404106][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.404106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.404106][   T10] 
[ 4160.405838][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4160.405838][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4160.405838][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4160.405838][   T10]      ipv6_find_idev+0x102/0x170
[ 4160.405838][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4160.405838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.405838][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.405838][   T10]      netlink_unicast+0x449/0x710
[ 4160.405838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.405838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.405838][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.405838][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.405838][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.405838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.405838][   T10] 
[ 4160.407796][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4160.408044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4160.408044][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.408044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.408044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.408044][   T10]      ip6_route_add+0x1c/0x140
[ 4160.408044][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4160.408044][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4160.408044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.408044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.408044][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.408044][   T10]      netlink_unicast+0x449/0x710
[ 4160.408044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.408044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.408044][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.408044][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.408044][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.408044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.408044][   T10] 
[ 4160.410311][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4160.410311][   T10]      netdev_get_by_index+0x5e/0x80
[ 4160.410311][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4160.410311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4160.410311][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4160.410311][   T10]      ipv6_add_addr+0x411/0x2000
[ 4160.410311][   T10]      inet6_addr_add+0x30e/0xa40
[ 4160.410311][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4160.410311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.410311][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.410311][   T10]      netlink_unicast+0x449/0x710
[ 4160.410311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.410311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.410311][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.410311][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.410311][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.410311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.410311][   T10] 
[ 4160.412561][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4160.412561][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4160.412561][   T10]      ipv6_find_idev+0x102/0x170
[ 4160.412561][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4160.412561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.412561][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.412561][   T10]      netlink_unicast+0x449/0x710
[ 4160.412561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.412561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.412561][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.412561][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.412561][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.412561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.412561][   T10] 
[ 4160.414292][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4160.414292][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4160.414292][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4160.414292][   T10]      ipv6_find_idev+0x102/0x170
[ 4160.414292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4160.414292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4160.414292][   T10]      netlink_rcv_skb+0x130/0x360
[ 4160.414292][   T10]      netlink_unicast+0x449/0x710
[ 4160.414292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4160.414292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4160.414292][   T10]      ___sys_sendmsg+0xee/0x170
[ 4160.414292][   T10]      __sys_sendmsg+0xcd/0x170
[ 4160.414292][   T10]      do_syscall_64+0xc6/0x1e0
[ 4160.414292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4160.414292][   T10] 
[ 4170.664818][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4170.665298][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.665298][   T10]      dst_init+0x84/0x4a0
[ 4170.665298][   T10]      dst_alloc+0x97/0x150
[ 4170.665298][   T10]      ip6_dst_alloc+0x23/0x90
[ 4170.665298][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4170.665298][   T10]      ip6_pol_route+0x56f/0x840
[ 4170.665298][   T10]      fib6_rule_lookup+0x456/0x630
[ 4170.665298][   T10]      ip6_route_input+0x59c/0xa50
[ 4170.665298][   T10]      ipv6_rcv+0x397/0x810
[ 4170.665298][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4170.665298][   T10]      process_backlog+0x101/0x620
[ 4170.665298][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4170.665298][   T10]      net_rx_action+0x495/0xbe0
[ 4170.665298][   T10]      __do_softirq+0x1b5/0x7f6
[ 4170.665298][   T10] 
[ 4170.667012][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.667012][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4170.667012][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4170.667012][   T10]      fib6_nh_init+0xa22/0x1580
[ 4170.667012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.667012][   T10]      ip6_route_add+0x1c/0x140
[ 4170.667012][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4170.667012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.667012][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.667012][   T10]      netlink_unicast+0x449/0x710
[ 4170.667012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.667012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.667012][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.667012][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.667012][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.667012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.667012][   T10] 
[ 4170.668921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.668921][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.668921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.668921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.668921][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4170.668921][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4170.668921][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4170.668921][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4170.668921][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4170.668921][   T10]      addrconf_dad_begin+0x310/0x670
[ 4170.668921][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4170.668921][   T10]      process_one_work+0x84d/0x18a0
[ 4170.668921][   T10]      worker_thread+0x587/0xd30
[ 4170.668921][   T10]      kthread+0x28a/0x350
[ 4170.668921][   T10]      ret_from_fork+0x31/0x70
[ 4170.668921][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4170.668921][   T10] 
[ 4170.670983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.670983][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.670983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.670983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.670983][   T10]      ip6_route_add+0x1c/0x140
[ 4170.670983][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4170.670983][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4170.670983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.670983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.670983][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.670983][   T10]      netlink_unicast+0x449/0x710
[ 4170.670983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.670983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.670983][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.670983][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.670983][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.670983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.670983][   T10] 
[ 4170.673021][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.673021][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.673021][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.673021][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.673021][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4170.673021][   T10]      ipv6_add_addr+0x411/0x2000
[ 4170.673021][   T10]      inet6_addr_add+0x30e/0xa40
[ 4170.673021][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.673021][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.673021][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.673021][   T10]      netlink_unicast+0x449/0x710
[ 4170.673021][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.673021][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.673021][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.673021][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.673021][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.673021][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.673021][   T10] 
[ 4170.675072][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.675072][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.675072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.675072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.675072][   T10]      ip6_route_add+0x1c/0x140
[ 4170.675072][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4170.675072][   T10]      addrconf_add_dev+0xe2/0x170
[ 4170.675072][   T10]      inet6_addr_add+0x12f/0xa40
[ 4170.675072][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.675072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.675072][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.675072][   T10]      netlink_unicast+0x449/0x710
[ 4170.675072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.675072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.675072][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.675072][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.675072][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.675072][   T10] 
[ 4170.677068][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.677068][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4170.677068][   T10]      ipv6_find_idev+0x102/0x170
[ 4170.677068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4170.677068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.677068][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.677068][   T10]      netlink_unicast+0x449/0x710
[ 4170.677068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.677068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.677068][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.677068][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.677068][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.677068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.677068][   T10] 
[ 4170.678633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4170.678633][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4170.678633][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4170.678633][   T10]      ipv6_find_idev+0x102/0x170
[ 4170.678633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4170.678633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.678633][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.678633][   T10]      netlink_unicast+0x449/0x710
[ 4170.678633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.678633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.678633][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.678633][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.678633][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.678633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.678633][   T10] 
[ 4170.682543][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4170.682823][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.682823][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4170.682823][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4170.682823][   T10]      fib6_nh_init+0xa22/0x1580
[ 4170.682823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.682823][   T10]      ip6_route_add+0x1c/0x140
[ 4170.682823][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4170.682823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.682823][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.682823][   T10]      netlink_unicast+0x449/0x710
[ 4170.682823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.682823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.682823][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.682823][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.682823][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.682823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.682823][   T10] 
[ 4170.684734][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.684734][   T10]      dst_init+0x84/0x4a0
[ 4170.684734][   T10]      dst_alloc+0x97/0x150
[ 4170.684734][   T10]      ip6_dst_alloc+0x23/0x90
[ 4170.684734][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4170.684734][   T10]      ip6_pol_route+0x56f/0x840
[ 4170.684734][   T10]      fib6_rule_lookup+0x456/0x630
[ 4170.684734][   T10]      ip6_route_input+0x59c/0xa50
[ 4170.684734][   T10]      ipv6_rcv+0x397/0x810
[ 4170.684734][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4170.684734][   T10]      process_backlog+0x101/0x620
[ 4170.684734][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4170.684734][   T10]      net_rx_action+0x495/0xbe0
[ 4170.684734][   T10]      __do_softirq+0x1b5/0x7f6
[ 4170.684734][   T10] 
[ 4170.686398][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.686398][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.686398][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.686398][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.686398][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4170.686398][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4170.686398][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4170.686398][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4170.686398][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4170.686398][   T10]      addrconf_dad_begin+0x310/0x670
[ 4170.686398][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4170.686398][   T10]      process_one_work+0x84d/0x18a0
[ 4170.686398][   T10]      worker_thread+0x587/0xd30
[ 4170.686398][   T10]      kthread+0x28a/0x350
[ 4170.686398][   T10]      ret_from_fork+0x31/0x70
[ 4170.686398][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4170.686398][   T10] 
[ 4170.688331][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.688331][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.688331][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.688331][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.688331][   T10]      ip6_route_add+0x1c/0x140
[ 4170.688331][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4170.688331][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4170.688331][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.688331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.688331][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.688331][   T10]      netlink_unicast+0x449/0x710
[ 4170.688331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.688331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.688331][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.688331][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.688331][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.688331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.688331][   T10] 
[ 4170.690354][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.690354][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.690354][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.690354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.690354][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4170.690354][   T10]      ipv6_add_addr+0x411/0x2000
[ 4170.690354][   T10]      inet6_addr_add+0x30e/0xa40
[ 4170.690354][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.690354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.690354][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.690354][   T10]      netlink_unicast+0x449/0x710
[ 4170.690354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.690354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.690354][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.690354][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.690354][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.690354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.690354][   T10] 
[ 4170.692373][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.692373][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.692373][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.692373][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.692373][   T10]      ip6_route_add+0x1c/0x140
[ 4170.692373][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4170.692373][   T10]      addrconf_add_dev+0xe2/0x170
[ 4170.692373][   T10]      inet6_addr_add+0x12f/0xa40
[ 4170.692373][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.692373][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.692373][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.692373][   T10]      netlink_unicast+0x449/0x710
[ 4170.692373][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.692373][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.692373][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.692373][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.692373][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.692373][   T10] 
[ 4170.694557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.694557][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4170.694557][   T10]      ipv6_find_idev+0x102/0x170
[ 4170.694557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4170.694557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.694557][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.694557][   T10]      netlink_unicast+0x449/0x710
[ 4170.694557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.694557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.694557][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.694557][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.694557][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.694557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.694557][   T10] 
[ 4170.696363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4170.696363][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4170.696363][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4170.696363][   T10]      ipv6_find_idev+0x102/0x170
[ 4170.696363][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4170.696363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.696363][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.696363][   T10]      netlink_unicast+0x449/0x710
[ 4170.696363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.696363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.696363][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.696363][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.696363][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.696363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.696363][   T10] 
[ 4170.698270][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4170.698512][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4170.698512][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.698512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.698512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.698512][   T10]      ip6_route_add+0x1c/0x140
[ 4170.698512][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4170.698512][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4170.698512][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.698512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.698512][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.698512][   T10]      netlink_unicast+0x449/0x710
[ 4170.698512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.698512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.698512][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.698512][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.698512][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.698512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.698512][   T10] 
[ 4170.700782][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4170.700782][   T10]      netdev_get_by_index+0x5e/0x80
[ 4170.700782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4170.700782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4170.700782][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4170.700782][   T10]      ipv6_add_addr+0x411/0x2000
[ 4170.700782][   T10]      inet6_addr_add+0x30e/0xa40
[ 4170.700782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4170.700782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.700782][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.700782][   T10]      netlink_unicast+0x449/0x710
[ 4170.700782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.700782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.700782][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.700782][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.700782][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.700782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.700782][   T10] 
[ 4170.703169][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4170.703169][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4170.703169][   T10]      ipv6_find_idev+0x102/0x170
[ 4170.703169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4170.703169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.703169][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.703169][   T10]      netlink_unicast+0x449/0x710
[ 4170.703169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.703169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.703169][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.703169][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.703169][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.703169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.703169][   T10] 
[ 4170.704974][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4170.704974][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4170.704974][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4170.704974][   T10]      ipv6_find_idev+0x102/0x170
[ 4170.704974][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4170.704974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4170.704974][   T10]      netlink_rcv_skb+0x130/0x360
[ 4170.704974][   T10]      netlink_unicast+0x449/0x710
[ 4170.704974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4170.704974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4170.704974][   T10]      ___sys_sendmsg+0xee/0x170
[ 4170.704974][   T10]      __sys_sendmsg+0xcd/0x170
[ 4170.704974][   T10]      do_syscall_64+0xc6/0x1e0
[ 4170.704974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4170.704974][   T10] 
[ 4180.728736][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4180.729209][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.729209][   T10]      dst_init+0x84/0x4a0
[ 4180.729209][   T10]      dst_alloc+0x97/0x150
[ 4180.729209][   T10]      ip6_dst_alloc+0x23/0x90
[ 4180.729209][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4180.729209][   T10]      ip6_pol_route+0x56f/0x840
[ 4180.729209][   T10]      fib6_rule_lookup+0x456/0x630
[ 4180.729209][   T10]      ip6_route_input+0x59c/0xa50
[ 4180.729209][   T10]      ipv6_rcv+0x397/0x810
[ 4180.729209][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4180.729209][   T10]      process_backlog+0x101/0x620
[ 4180.729209][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4180.729209][   T10]      net_rx_action+0x495/0xbe0
[ 4180.729209][   T10]      __do_softirq+0x1b5/0x7f6
[ 4180.729209][   T10] 
[ 4180.730890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.730890][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4180.730890][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4180.730890][   T10]      fib6_nh_init+0xa22/0x1580
[ 4180.730890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.730890][   T10]      ip6_route_add+0x1c/0x140
[ 4180.730890][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4180.730890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.730890][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.730890][   T10]      netlink_unicast+0x449/0x710
[ 4180.730890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.730890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.730890][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.730890][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.730890][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.730890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.730890][   T10] 
[ 4180.732793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.732793][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.732793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.732793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.732793][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4180.732793][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4180.732793][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4180.732793][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4180.732793][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4180.732793][   T10]      addrconf_dad_begin+0x310/0x670
[ 4180.732793][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4180.732793][   T10]      process_one_work+0x84d/0x18a0
[ 4180.732793][   T10]      worker_thread+0x587/0xd30
[ 4180.732793][   T10]      kthread+0x28a/0x350
[ 4180.732793][   T10]      ret_from_fork+0x31/0x70
[ 4180.732793][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4180.732793][   T10] 
[ 4180.734709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.734709][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.734709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.734709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.734709][   T10]      ip6_route_add+0x1c/0x140
[ 4180.734709][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4180.734709][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4180.734709][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.734709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.734709][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.734709][   T10]      netlink_unicast+0x449/0x710
[ 4180.734709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.734709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.734709][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.734709][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.734709][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.734709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.734709][   T10] 
[ 4180.736730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.736730][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.736730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.736730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.736730][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4180.736730][   T10]      ipv6_add_addr+0x411/0x2000
[ 4180.736730][   T10]      inet6_addr_add+0x30e/0xa40
[ 4180.736730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.736730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.736730][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.736730][   T10]      netlink_unicast+0x449/0x710
[ 4180.736730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.736730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.736730][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.736730][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.736730][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.736730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.736730][   T10] 
[ 4180.738740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.738740][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.738740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.738740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.738740][   T10]      ip6_route_add+0x1c/0x140
[ 4180.738740][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4180.738740][   T10]      addrconf_add_dev+0xe2/0x170
[ 4180.738740][   T10]      inet6_addr_add+0x12f/0xa40
[ 4180.738740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.738740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.738740][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.738740][   T10]      netlink_unicast+0x449/0x710
[ 4180.738740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.738740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.738740][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.738740][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.738740][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.738740][   T10] 
[ 4180.740712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.740712][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4180.740712][   T10]      ipv6_find_idev+0x102/0x170
[ 4180.740712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4180.740712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.740712][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.740712][   T10]      netlink_unicast+0x449/0x710
[ 4180.740712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.740712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.740712][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.740712][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.740712][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.740712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.740712][   T10] 
[ 4180.742246][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4180.742246][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4180.742246][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4180.742246][   T10]      ipv6_find_idev+0x102/0x170
[ 4180.742246][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4180.742246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.742246][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.742246][   T10]      netlink_unicast+0x449/0x710
[ 4180.742246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.742246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.742246][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.742246][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.742246][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.742246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.742246][   T10] 
[ 4180.743945][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4180.744204][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.744204][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4180.744204][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4180.744204][   T10]      fib6_nh_init+0xa22/0x1580
[ 4180.744204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.744204][   T10]      ip6_route_add+0x1c/0x140
[ 4180.744204][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4180.744204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.744204][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.744204][   T10]      netlink_unicast+0x449/0x710
[ 4180.744204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.744204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.744204][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.744204][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.744204][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.744204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.744204][   T10] 
[ 4180.746090][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.746090][   T10]      dst_init+0x84/0x4a0
[ 4180.746090][   T10]      dst_alloc+0x97/0x150
[ 4180.746090][   T10]      ip6_dst_alloc+0x23/0x90
[ 4180.746090][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4180.746090][   T10]      ip6_pol_route+0x56f/0x840
[ 4180.746090][   T10]      fib6_rule_lookup+0x456/0x630
[ 4180.746090][   T10]      ip6_route_input+0x59c/0xa50
[ 4180.746090][   T10]      ipv6_rcv+0x397/0x810
[ 4180.746090][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4180.746090][   T10]      process_backlog+0x101/0x620
[ 4180.746090][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4180.746090][   T10]      net_rx_action+0x495/0xbe0
[ 4180.746090][   T10]      __do_softirq+0x1b5/0x7f6
[ 4180.746090][   T10] 
[ 4180.747733][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.747733][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.747733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.747733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.747733][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4180.747733][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4180.747733][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4180.747733][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4180.747733][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4180.747733][   T10]      addrconf_dad_begin+0x310/0x670
[ 4180.747733][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4180.747733][   T10]      process_one_work+0x84d/0x18a0
[ 4180.747733][   T10]      worker_thread+0x587/0xd30
[ 4180.747733][   T10]      kthread+0x28a/0x350
[ 4180.747733][   T10]      ret_from_fork+0x31/0x70
[ 4180.747733][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4180.747733][   T10] 
[ 4180.749651][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.749651][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.749651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.749651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.749651][   T10]      ip6_route_add+0x1c/0x140
[ 4180.749651][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4180.749651][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4180.749651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.749651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.749651][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.749651][   T10]      netlink_unicast+0x449/0x710
[ 4180.749651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.749651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.749651][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.749651][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.749651][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.749651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.749651][   T10] 
[ 4180.751651][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.751651][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.751651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.751651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.751651][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4180.751651][   T10]      ipv6_add_addr+0x411/0x2000
[ 4180.751651][   T10]      inet6_addr_add+0x30e/0xa40
[ 4180.751651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.751651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.751651][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.751651][   T10]      netlink_unicast+0x449/0x710
[ 4180.751651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.751651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.751651][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.751651][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.751651][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.751651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.751651][   T10] 
[ 4180.753652][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.753652][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.753652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.753652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.753652][   T10]      ip6_route_add+0x1c/0x140
[ 4180.753652][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4180.753652][   T10]      addrconf_add_dev+0xe2/0x170
[ 4180.753652][   T10]      inet6_addr_add+0x12f/0xa40
[ 4180.753652][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.753652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.753652][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.753652][   T10]      netlink_unicast+0x449/0x710
[ 4180.753652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.753652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.753652][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.753652][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.753652][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.753652][   T10] 
[ 4180.755814][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.755814][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4180.755814][   T10]      ipv6_find_idev+0x102/0x170
[ 4180.755814][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4180.755814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.755814][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.755814][   T10]      netlink_unicast+0x449/0x710
[ 4180.755814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.755814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.755814][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.755814][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.755814][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.755814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.755814][   T10] 
[ 4180.757533][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4180.757533][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4180.757533][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4180.757533][   T10]      ipv6_find_idev+0x102/0x170
[ 4180.757533][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4180.757533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.757533][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.757533][   T10]      netlink_unicast+0x449/0x710
[ 4180.757533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.757533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.757533][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.757533][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.757533][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.757533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.757533][   T10] 
[ 4180.759471][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4180.759780][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4180.759780][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.759780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.759780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.759780][   T10]      ip6_route_add+0x1c/0x140
[ 4180.759780][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4180.759780][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4180.759780][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.759780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.759780][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.759780][   T10]      netlink_unicast+0x449/0x710
[ 4180.759780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.759780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.759780][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.759780][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.759780][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.759780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.759780][   T10] 
[ 4180.761957][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4180.761957][   T10]      netdev_get_by_index+0x5e/0x80
[ 4180.761957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4180.761957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4180.761957][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4180.761957][   T10]      ipv6_add_addr+0x411/0x2000
[ 4180.761957][   T10]      inet6_addr_add+0x30e/0xa40
[ 4180.761957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4180.761957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.761957][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.761957][   T10]      netlink_unicast+0x449/0x710
[ 4180.761957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.761957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.761957][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.761957][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.761957][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.761957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.761957][   T10] 
[ 4180.764138][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4180.764138][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4180.764138][   T10]      ipv6_find_idev+0x102/0x170
[ 4180.764138][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4180.764138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.764138][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.764138][   T10]      netlink_unicast+0x449/0x710
[ 4180.764138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.764138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.764138][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.764138][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.764138][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.764138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.764138][   T10] 
[ 4180.765859][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4180.765859][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4180.765859][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4180.765859][   T10]      ipv6_find_idev+0x102/0x170
[ 4180.765859][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4180.765859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4180.765859][   T10]      netlink_rcv_skb+0x130/0x360
[ 4180.765859][   T10]      netlink_unicast+0x449/0x710
[ 4180.765859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4180.765859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4180.765859][   T10]      ___sys_sendmsg+0xee/0x170
[ 4180.765859][   T10]      __sys_sendmsg+0xcd/0x170
[ 4180.765859][   T10]      do_syscall_64+0xc6/0x1e0
[ 4180.765859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4180.765859][   T10] 
[ 4191.008703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4191.009137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.009137][   T10]      dst_init+0x84/0x4a0
[ 4191.009137][   T10]      dst_alloc+0x97/0x150
[ 4191.009137][   T10]      ip6_dst_alloc+0x23/0x90
[ 4191.009137][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4191.009137][   T10]      ip6_pol_route+0x56f/0x840
[ 4191.009137][   T10]      fib6_rule_lookup+0x456/0x630
[ 4191.009137][   T10]      ip6_route_input+0x59c/0xa50
[ 4191.009137][   T10]      ipv6_rcv+0x397/0x810
[ 4191.009137][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4191.009137][   T10]      process_backlog+0x101/0x620
[ 4191.009137][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4191.009137][   T10]      net_rx_action+0x495/0xbe0
[ 4191.009137][   T10]      __do_softirq+0x1b5/0x7f6
[ 4191.009137][   T10] 
[ 4191.010817][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.010817][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4191.010817][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4191.010817][   T10]      fib6_nh_init+0xa22/0x1580
[ 4191.010817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.010817][   T10]      ip6_route_add+0x1c/0x140
[ 4191.010817][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4191.010817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.010817][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.010817][   T10]      netlink_unicast+0x449/0x710
[ 4191.010817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.010817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.010817][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.010817][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.010817][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.010817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.010817][   T10] 
[ 4191.012718][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.012718][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.012718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.012718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.012718][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4191.012718][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4191.012718][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4191.012718][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4191.012718][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4191.012718][   T10]      addrconf_dad_begin+0x310/0x670
[ 4191.012718][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4191.012718][   T10]      process_one_work+0x84d/0x18a0
[ 4191.012718][   T10]      worker_thread+0x587/0xd30
[ 4191.012718][   T10]      kthread+0x28a/0x350
[ 4191.012718][   T10]      ret_from_fork+0x31/0x70
[ 4191.012718][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4191.012718][   T10] 
[ 4191.014630][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.014630][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.014630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.014630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.014630][   T10]      ip6_route_add+0x1c/0x140
[ 4191.014630][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4191.014630][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4191.014630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.014630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.014630][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.014630][   T10]      netlink_unicast+0x449/0x710
[ 4191.014630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.014630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.014630][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.014630][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.014630][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.014630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.014630][   T10] 
[ 4191.016637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.016637][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.016637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.016637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.016637][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4191.016637][   T10]      ipv6_add_addr+0x411/0x2000
[ 4191.016637][   T10]      inet6_addr_add+0x30e/0xa40
[ 4191.016637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.016637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.016637][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.016637][   T10]      netlink_unicast+0x449/0x710
[ 4191.016637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.016637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.016637][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.016637][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.016637][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.016637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.016637][   T10] 
[ 4191.018628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.018628][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.018628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.018628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.018628][   T10]      ip6_route_add+0x1c/0x140
[ 4191.018628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4191.018628][   T10]      addrconf_add_dev+0xe2/0x170
[ 4191.018628][   T10]      inet6_addr_add+0x12f/0xa40
[ 4191.018628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.018628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.018628][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.018628][   T10]      netlink_unicast+0x449/0x710
[ 4191.018628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.018628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.018628][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.018628][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.018628][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.018628][   T10] 
[ 4191.020603][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.020603][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4191.020603][   T10]      ipv6_find_idev+0x102/0x170
[ 4191.020603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4191.020603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.020603][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.020603][   T10]      netlink_unicast+0x449/0x710
[ 4191.020603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.020603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.020603][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.020603][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.020603][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.020603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.020603][   T10] 
[ 4191.022193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4191.022193][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4191.022193][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4191.022193][   T10]      ipv6_find_idev+0x102/0x170
[ 4191.022193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4191.022193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.022193][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.022193][   T10]      netlink_unicast+0x449/0x710
[ 4191.022193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.022193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.022193][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.022193][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.022193][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.022193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.022193][   T10] 
[ 4191.023903][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4191.024146][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.024146][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4191.024146][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4191.024146][   T10]      fib6_nh_init+0xa22/0x1580
[ 4191.024146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.024146][   T10]      ip6_route_add+0x1c/0x140
[ 4191.024146][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4191.024146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.024146][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.024146][   T10]      netlink_unicast+0x449/0x710
[ 4191.024146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.024146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.024146][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.024146][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.024146][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.024146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.024146][   T10] 
[ 4191.026026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.026026][   T10]      dst_init+0x84/0x4a0
[ 4191.026026][   T10]      dst_alloc+0x97/0x150
[ 4191.026026][   T10]      ip6_dst_alloc+0x23/0x90
[ 4191.026026][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4191.026026][   T10]      ip6_pol_route+0x56f/0x840
[ 4191.026026][   T10]      fib6_rule_lookup+0x456/0x630
[ 4191.026026][   T10]      ip6_route_input+0x59c/0xa50
[ 4191.026026][   T10]      ipv6_rcv+0x397/0x810
[ 4191.026026][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4191.026026][   T10]      process_backlog+0x101/0x620
[ 4191.026026][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4191.026026][   T10]      net_rx_action+0x495/0xbe0
[ 4191.026026][   T10]      __do_softirq+0x1b5/0x7f6
[ 4191.026026][   T10] 
[ 4191.027675][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.027675][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.027675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.027675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.027675][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4191.027675][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4191.027675][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4191.027675][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4191.027675][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4191.027675][   T10]      addrconf_dad_begin+0x310/0x670
[ 4191.027675][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4191.027675][   T10]      process_one_work+0x84d/0x18a0
[ 4191.027675][   T10]      worker_thread+0x587/0xd30
[ 4191.027675][   T10]      kthread+0x28a/0x350
[ 4191.027675][   T10]      ret_from_fork+0x31/0x70
[ 4191.027675][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4191.027675][   T10] 
[ 4191.029533][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.029533][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.029533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.029533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.029533][   T10]      ip6_route_add+0x1c/0x140
[ 4191.029533][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4191.029533][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4191.029533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.029533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.029533][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.029533][   T10]      netlink_unicast+0x449/0x710
[ 4191.029533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.029533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.029533][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.029533][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.029533][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.029533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.029533][   T10] 
[ 4191.031508][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.031508][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.031508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.031508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.031508][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4191.031508][   T10]      ipv6_add_addr+0x411/0x2000
[ 4191.031508][   T10]      inet6_addr_add+0x30e/0xa40
[ 4191.031508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.031508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.031508][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.031508][   T10]      netlink_unicast+0x449/0x710
[ 4191.031508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.031508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.031508][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.031508][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.031508][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.031508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.031508][   T10] 
[ 4191.033482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.033482][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.033482][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.033482][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.033482][   T10]      ip6_route_add+0x1c/0x140
[ 4191.033482][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4191.033482][   T10]      addrconf_add_dev+0xe2/0x170
[ 4191.033482][   T10]      inet6_addr_add+0x12f/0xa40
[ 4191.033482][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.033482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.033482][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.033482][   T10]      netlink_unicast+0x449/0x710
[ 4191.033482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.033482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.033482][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.033482][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.033482][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.033482][   T10] 
[ 4191.035585][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.035585][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4191.035585][   T10]      ipv6_find_idev+0x102/0x170
[ 4191.035585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4191.035585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.035585][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.035585][   T10]      netlink_unicast+0x449/0x710
[ 4191.035585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.035585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.035585][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.035585][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.035585][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.035585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.035585][   T10] 
[ 4191.037375][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4191.037375][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4191.037375][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4191.037375][   T10]      ipv6_find_idev+0x102/0x170
[ 4191.037375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4191.037375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.037375][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.037375][   T10]      netlink_unicast+0x449/0x710
[ 4191.037375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.037375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.037375][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.037375][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.037375][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.037375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.037375][   T10] 
[ 4191.039266][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4191.039564][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4191.039564][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.039564][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.039564][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.039564][   T10]      ip6_route_add+0x1c/0x140
[ 4191.039564][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4191.039564][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4191.039564][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.039564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.039564][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.039564][   T10]      netlink_unicast+0x449/0x710
[ 4191.039564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.039564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.039564][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.039564][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.039564][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.039564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.039564][   T10] 
[ 4191.041725][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4191.041725][   T10]      netdev_get_by_index+0x5e/0x80
[ 4191.041725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4191.041725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4191.041725][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4191.041725][   T10]      ipv6_add_addr+0x411/0x2000
[ 4191.041725][   T10]      inet6_addr_add+0x30e/0xa40
[ 4191.041725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4191.041725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.041725][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.041725][   T10]      netlink_unicast+0x449/0x710
[ 4191.041725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.041725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.041725][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.041725][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.041725][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.041725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.041725][   T10] 
[ 4191.043960][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4191.043960][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4191.043960][   T10]      ipv6_find_idev+0x102/0x170
[ 4191.043960][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4191.043960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.043960][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.043960][   T10]      netlink_unicast+0x449/0x710
[ 4191.043960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.043960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.043960][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.043960][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.043960][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.043960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.043960][   T10] 
[ 4191.045749][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4191.045749][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4191.045749][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4191.045749][   T10]      ipv6_find_idev+0x102/0x170
[ 4191.045749][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4191.045749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4191.045749][   T10]      netlink_rcv_skb+0x130/0x360
[ 4191.045749][   T10]      netlink_unicast+0x449/0x710
[ 4191.045749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4191.045749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4191.045749][   T10]      ___sys_sendmsg+0xee/0x170
[ 4191.045749][   T10]      __sys_sendmsg+0xcd/0x170
[ 4191.045749][   T10]      do_syscall_64+0xc6/0x1e0
[ 4191.045749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4191.045749][   T10] 
[ 4201.288781][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4201.289602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.289602][   T10]      dst_init+0x84/0x4a0
[ 4201.289602][   T10]      dst_alloc+0x97/0x150
[ 4201.289602][   T10]      ip6_dst_alloc+0x23/0x90
[ 4201.289602][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4201.289602][   T10]      ip6_pol_route+0x56f/0x840
[ 4201.289602][   T10]      fib6_rule_lookup+0x456/0x630
[ 4201.289602][   T10]      ip6_route_input+0x59c/0xa50
[ 4201.289602][   T10]      ipv6_rcv+0x397/0x810
[ 4201.289602][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4201.289602][   T10]      process_backlog+0x101/0x620
[ 4201.289602][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4201.289602][   T10]      net_rx_action+0x495/0xbe0
[ 4201.289602][   T10]      __do_softirq+0x1b5/0x7f6
[ 4201.289602][   T10] 
[ 4201.291236][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.291236][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4201.291236][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4201.291236][   T10]      fib6_nh_init+0xa22/0x1580
[ 4201.291236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.291236][   T10]      ip6_route_add+0x1c/0x140
[ 4201.291236][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4201.291236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.291236][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.291236][   T10]      netlink_unicast+0x449/0x710
[ 4201.291236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.291236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.291236][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.291236][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.291236][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.291236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.291236][   T10] 
[ 4201.293091][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.293091][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.293091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.293091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.293091][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4201.293091][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4201.293091][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4201.293091][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4201.293091][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4201.293091][   T10]      addrconf_dad_begin+0x310/0x670
[ 4201.293091][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4201.293091][   T10]      process_one_work+0x84d/0x18a0
[ 4201.293091][   T10]      worker_thread+0x587/0xd30
[ 4201.293091][   T10]      kthread+0x28a/0x350
[ 4201.293091][   T10]      ret_from_fork+0x31/0x70
[ 4201.293091][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4201.293091][   T10] 
[ 4201.295003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.295003][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.295003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.295003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.295003][   T10]      ip6_route_add+0x1c/0x140
[ 4201.295003][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4201.295003][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4201.295003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.295003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.295003][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.295003][   T10]      netlink_unicast+0x449/0x710
[ 4201.295003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.295003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.295003][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.295003][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.295003][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.295003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.295003][   T10] 
[ 4201.297008][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.297008][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.297008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.297008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.297008][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4201.297008][   T10]      ipv6_add_addr+0x411/0x2000
[ 4201.297008][   T10]      inet6_addr_add+0x30e/0xa40
[ 4201.297008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.297008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.297008][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.297008][   T10]      netlink_unicast+0x449/0x710
[ 4201.297008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.297008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.297008][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.297008][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.297008][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.297008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.297008][   T10] 
[ 4201.298973][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.298973][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.298973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.298973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.298973][   T10]      ip6_route_add+0x1c/0x140
[ 4201.298973][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4201.298973][   T10]      addrconf_add_dev+0xe2/0x170
[ 4201.298973][   T10]      inet6_addr_add+0x12f/0xa40
[ 4201.298973][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.298973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.298973][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.298973][   T10]      netlink_unicast+0x449/0x710
[ 4201.298973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.298973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.298973][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.298973][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.298973][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.298973][   T10] 
[ 4201.300889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.300889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4201.300889][   T10]      ipv6_find_idev+0x102/0x170
[ 4201.300889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4201.300889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.300889][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.300889][   T10]      netlink_unicast+0x449/0x710
[ 4201.300889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.300889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.300889][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.300889][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.300889][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.300889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.300889][   T10] 
[ 4201.302448][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4201.302448][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4201.302448][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4201.302448][   T10]      ipv6_find_idev+0x102/0x170
[ 4201.302448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4201.302448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.302448][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.302448][   T10]      netlink_unicast+0x449/0x710
[ 4201.302448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.302448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.302448][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.302448][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.302448][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.302448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.302448][   T10] 
[ 4201.304172][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4201.304412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.304412][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4201.304412][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4201.304412][   T10]      fib6_nh_init+0xa22/0x1580
[ 4201.304412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.304412][   T10]      ip6_route_add+0x1c/0x140
[ 4201.304412][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4201.304412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.304412][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.304412][   T10]      netlink_unicast+0x449/0x710
[ 4201.304412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.304412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.304412][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.304412][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.304412][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.304412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.304412][   T10] 
[ 4201.306298][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.306298][   T10]      dst_init+0x84/0x4a0
[ 4201.306298][   T10]      dst_alloc+0x97/0x150
[ 4201.306298][   T10]      ip6_dst_alloc+0x23/0x90
[ 4201.306298][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4201.306298][   T10]      ip6_pol_route+0x56f/0x840
[ 4201.306298][   T10]      fib6_rule_lookup+0x456/0x630
[ 4201.306298][   T10]      ip6_route_input+0x59c/0xa50
[ 4201.306298][   T10]      ipv6_rcv+0x397/0x810
[ 4201.306298][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4201.306298][   T10]      process_backlog+0x101/0x620
[ 4201.306298][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4201.306298][   T10]      net_rx_action+0x495/0xbe0
[ 4201.306298][   T10]      __do_softirq+0x1b5/0x7f6
[ 4201.306298][   T10] 
[ 4201.307937][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.307937][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.307937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.307937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.307937][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4201.307937][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4201.307937][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4201.307937][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4201.307937][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4201.307937][   T10]      addrconf_dad_begin+0x310/0x670
[ 4201.307937][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4201.307937][   T10]      process_one_work+0x84d/0x18a0
[ 4201.307937][   T10]      worker_thread+0x587/0xd30
[ 4201.307937][   T10]      kthread+0x28a/0x350
[ 4201.307937][   T10]      ret_from_fork+0x31/0x70
[ 4201.307937][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4201.307937][   T10] 
[ 4201.309847][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.309847][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.309847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.309847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.309847][   T10]      ip6_route_add+0x1c/0x140
[ 4201.309847][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4201.309847][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4201.309847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.309847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.309847][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.309847][   T10]      netlink_unicast+0x449/0x710
[ 4201.309847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.309847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.309847][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.309847][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.309847][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.309847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.309847][   T10] 
[ 4201.311837][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.311837][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.311837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.311837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.311837][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4201.311837][   T10]      ipv6_add_addr+0x411/0x2000
[ 4201.311837][   T10]      inet6_addr_add+0x30e/0xa40
[ 4201.311837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.311837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.311837][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.311837][   T10]      netlink_unicast+0x449/0x710
[ 4201.311837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.311837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.311837][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.311837][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.311837][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.311837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.311837][   T10] 
[ 4201.313868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.313868][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.313868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.313868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.313868][   T10]      ip6_route_add+0x1c/0x140
[ 4201.313868][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4201.313868][   T10]      addrconf_add_dev+0xe2/0x170
[ 4201.313868][   T10]      inet6_addr_add+0x12f/0xa40
[ 4201.313868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.313868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.313868][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.313868][   T10]      netlink_unicast+0x449/0x710
[ 4201.313868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.313868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.313868][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.313868][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.313868][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.313868][   T10] 
[ 4201.316103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.316103][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4201.316103][   T10]      ipv6_find_idev+0x102/0x170
[ 4201.316103][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4201.316103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.316103][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.316103][   T10]      netlink_unicast+0x449/0x710
[ 4201.316103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.316103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.316103][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.316103][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.316103][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.316103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.316103][   T10] 
[ 4201.317831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4201.317831][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4201.317831][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4201.317831][   T10]      ipv6_find_idev+0x102/0x170
[ 4201.317831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4201.317831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.317831][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.317831][   T10]      netlink_unicast+0x449/0x710
[ 4201.317831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.317831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.317831][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.317831][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.317831][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.317831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.317831][   T10] 
[ 4201.319770][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4201.320067][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4201.320067][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.320067][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.320067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.320067][   T10]      ip6_route_add+0x1c/0x140
[ 4201.320067][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4201.320067][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4201.320067][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.320067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.320067][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.320067][   T10]      netlink_unicast+0x449/0x710
[ 4201.320067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.320067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.320067][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.320067][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.320067][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.320067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.320067][   T10] 
[ 4201.322236][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4201.322236][   T10]      netdev_get_by_index+0x5e/0x80
[ 4201.322236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4201.322236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4201.322236][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4201.322236][   T10]      ipv6_add_addr+0x411/0x2000
[ 4201.322236][   T10]      inet6_addr_add+0x30e/0xa40
[ 4201.322236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4201.322236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.322236][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.322236][   T10]      netlink_unicast+0x449/0x710
[ 4201.322236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.322236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.322236][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.322236][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.322236][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.322236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.322236][   T10] 
[ 4201.325016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4201.325016][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4201.325016][   T10]      ipv6_find_idev+0x102/0x170
[ 4201.325016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4201.325016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.325016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.325016][   T10]      netlink_unicast+0x449/0x710
[ 4201.325016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.325016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.325016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.325016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.325016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.325016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.325016][   T10] 
[ 4201.326738][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4201.326738][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4201.326738][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4201.326738][   T10]      ipv6_find_idev+0x102/0x170
[ 4201.326738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4201.326738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4201.326738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4201.326738][   T10]      netlink_unicast+0x449/0x710
[ 4201.326738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4201.326738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4201.326738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4201.326738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4201.326738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4201.326738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4201.326738][   T10] 
[ 4211.568751][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4211.569194][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.569194][   T10]      dst_init+0x84/0x4a0
[ 4211.569194][   T10]      dst_alloc+0x97/0x150
[ 4211.569194][   T10]      ip6_dst_alloc+0x23/0x90
[ 4211.569194][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4211.569194][   T10]      ip6_pol_route+0x56f/0x840
[ 4211.569194][   T10]      fib6_rule_lookup+0x456/0x630
[ 4211.569194][   T10]      ip6_route_input+0x59c/0xa50
[ 4211.569194][   T10]      ipv6_rcv+0x397/0x810
[ 4211.569194][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4211.569194][   T10]      process_backlog+0x101/0x620
[ 4211.569194][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4211.569194][   T10]      net_rx_action+0x495/0xbe0
[ 4211.569194][   T10]      __do_softirq+0x1b5/0x7f6
[ 4211.569194][   T10] 
[ 4211.571425][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.571425][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4211.571425][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4211.571425][   T10]      fib6_nh_init+0xa22/0x1580
[ 4211.571425][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.571425][   T10]      ip6_route_add+0x1c/0x140
[ 4211.571425][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4211.571425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.571425][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.571425][   T10]      netlink_unicast+0x449/0x710
[ 4211.571425][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.571425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.571425][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.571425][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.571425][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.571425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.571425][   T10] 
[ 4211.573522][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.573522][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.573522][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.573522][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.573522][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4211.573522][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4211.573522][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4211.573522][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4211.573522][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4211.573522][   T10]      addrconf_dad_begin+0x310/0x670
[ 4211.573522][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4211.573522][   T10]      process_one_work+0x84d/0x18a0
[ 4211.573522][   T10]      worker_thread+0x587/0xd30
[ 4211.573522][   T10]      kthread+0x28a/0x350
[ 4211.573522][   T10]      ret_from_fork+0x31/0x70
[ 4211.573522][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4211.573522][   T10] 
[ 4211.575650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.575650][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.575650][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.575650][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.575650][   T10]      ip6_route_add+0x1c/0x140
[ 4211.575650][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4211.575650][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4211.575650][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.575650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.575650][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.575650][   T10]      netlink_unicast+0x449/0x710
[ 4211.575650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.575650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.575650][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.575650][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.575650][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.575650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.575650][   T10] 
[ 4211.577886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.577886][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.577886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.577886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.577886][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4211.577886][   T10]      ipv6_add_addr+0x411/0x2000
[ 4211.577886][   T10]      inet6_addr_add+0x30e/0xa40
[ 4211.577886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.577886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.577886][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.577886][   T10]      netlink_unicast+0x449/0x710
[ 4211.577886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.577886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.577886][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.577886][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.577886][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.577886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.577886][   T10] 
[ 4211.580102][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.580102][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.580102][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.580102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.580102][   T10]      ip6_route_add+0x1c/0x140
[ 4211.580102][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4211.580102][   T10]      addrconf_add_dev+0xe2/0x170
[ 4211.580102][   T10]      inet6_addr_add+0x12f/0xa40
[ 4211.580102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.580102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.580102][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.580102][   T10]      netlink_unicast+0x449/0x710
[ 4211.580102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.580102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.580102][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.580102][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.580102][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.580102][   T10] 
[ 4211.582281][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.582281][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4211.582281][   T10]      ipv6_find_idev+0x102/0x170
[ 4211.582281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4211.582281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.582281][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.582281][   T10]      netlink_unicast+0x449/0x710
[ 4211.582281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.582281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.582281][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.582281][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.582281][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.582281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.582281][   T10] 
[ 4211.584005][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4211.584005][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4211.584005][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4211.584005][   T10]      ipv6_find_idev+0x102/0x170
[ 4211.584005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4211.584005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.584005][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.584005][   T10]      netlink_unicast+0x449/0x710
[ 4211.584005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.584005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.584005][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.584005][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.584005][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.584005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.584005][   T10] 
[ 4211.585896][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4211.586164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.586164][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4211.586164][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4211.586164][   T10]      fib6_nh_init+0xa22/0x1580
[ 4211.586164][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.586164][   T10]      ip6_route_add+0x1c/0x140
[ 4211.586164][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4211.586164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.586164][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.586164][   T10]      netlink_unicast+0x449/0x710
[ 4211.586164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.586164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.586164][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.586164][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.586164][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.586164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.586164][   T10] 
[ 4211.588284][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.588284][   T10]      dst_init+0x84/0x4a0
[ 4211.588284][   T10]      dst_alloc+0x97/0x150
[ 4211.588284][   T10]      ip6_dst_alloc+0x23/0x90
[ 4211.588284][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4211.588284][   T10]      ip6_pol_route+0x56f/0x840
[ 4211.588284][   T10]      fib6_rule_lookup+0x456/0x630
[ 4211.588284][   T10]      ip6_route_input+0x59c/0xa50
[ 4211.588284][   T10]      ipv6_rcv+0x397/0x810
[ 4211.588284][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4211.588284][   T10]      process_backlog+0x101/0x620
[ 4211.588284][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4211.588284][   T10]      net_rx_action+0x495/0xbe0
[ 4211.588284][   T10]      __do_softirq+0x1b5/0x7f6
[ 4211.588284][   T10] 
[ 4211.590110][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.590110][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.590110][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.590110][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.590110][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4211.590110][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4211.590110][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4211.590110][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4211.590110][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4211.590110][   T10]      addrconf_dad_begin+0x310/0x670
[ 4211.590110][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4211.590110][   T10]      process_one_work+0x84d/0x18a0
[ 4211.590110][   T10]      worker_thread+0x587/0xd30
[ 4211.590110][   T10]      kthread+0x28a/0x350
[ 4211.590110][   T10]      ret_from_fork+0x31/0x70
[ 4211.590110][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4211.590110][   T10] 
[ 4211.592230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.592230][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.592230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.592230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.592230][   T10]      ip6_route_add+0x1c/0x140
[ 4211.592230][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4211.592230][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4211.592230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.592230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.592230][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.592230][   T10]      netlink_unicast+0x449/0x710
[ 4211.592230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.592230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.592230][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.592230][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.592230][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.592230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.592230][   T10] 
[ 4211.594455][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.594455][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.594455][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.594455][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.594455][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4211.594455][   T10]      ipv6_add_addr+0x411/0x2000
[ 4211.594455][   T10]      inet6_addr_add+0x30e/0xa40
[ 4211.594455][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.594455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.594455][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.594455][   T10]      netlink_unicast+0x449/0x710
[ 4211.594455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.594455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.594455][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.594455][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.594455][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.594455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.594455][   T10] 
[ 4211.596684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.596684][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.596684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.596684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.596684][   T10]      ip6_route_add+0x1c/0x140
[ 4211.596684][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4211.596684][   T10]      addrconf_add_dev+0xe2/0x170
[ 4211.596684][   T10]      inet6_addr_add+0x12f/0xa40
[ 4211.596684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.596684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.596684][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.596684][   T10]      netlink_unicast+0x449/0x710
[ 4211.596684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.596684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.596684][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.596684][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.596684][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.596684][   T10] 
[ 4211.599009][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.599009][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4211.599009][   T10]      ipv6_find_idev+0x102/0x170
[ 4211.599009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4211.599009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.599009][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.599009][   T10]      netlink_unicast+0x449/0x710
[ 4211.599009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.599009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.599009][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.599009][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.599009][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.599009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.599009][   T10] 
[ 4211.600956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4211.600956][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4211.600956][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4211.600956][   T10]      ipv6_find_idev+0x102/0x170
[ 4211.600956][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4211.600956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.600956][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.600956][   T10]      netlink_unicast+0x449/0x710
[ 4211.600956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.600956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.600956][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.600956][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.600956][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.600956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.600956][   T10] 
[ 4211.603009][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4211.603338][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4211.603338][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.603338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.603338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.603338][   T10]      ip6_route_add+0x1c/0x140
[ 4211.603338][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4211.603338][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4211.603338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.603338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.603338][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.603338][   T10]      netlink_unicast+0x449/0x710
[ 4211.603338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.603338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.603338][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.603338][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.603338][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.603338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.603338][   T10] 
[ 4211.605740][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4211.605740][   T10]      netdev_get_by_index+0x5e/0x80
[ 4211.605740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4211.605740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4211.605740][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4211.605740][   T10]      ipv6_add_addr+0x411/0x2000
[ 4211.605740][   T10]      inet6_addr_add+0x30e/0xa40
[ 4211.605740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4211.605740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.605740][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.605740][   T10]      netlink_unicast+0x449/0x710
[ 4211.605740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.605740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.605740][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.605740][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.605740][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.605740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.605740][   T10] 
[ 4211.608158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4211.608158][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4211.608158][   T10]      ipv6_find_idev+0x102/0x170
[ 4211.608158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4211.608158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.608158][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.608158][   T10]      netlink_unicast+0x449/0x710
[ 4211.608158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.608158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.608158][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.608158][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.608158][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.608158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.608158][   T10] 
[ 4211.610040][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4211.610040][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4211.610040][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4211.610040][   T10]      ipv6_find_idev+0x102/0x170
[ 4211.610040][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4211.610040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4211.610040][   T10]      netlink_rcv_skb+0x130/0x360
[ 4211.610040][   T10]      netlink_unicast+0x449/0x710
[ 4211.610040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4211.610040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4211.610040][   T10]      ___sys_sendmsg+0xee/0x170
[ 4211.610040][   T10]      __sys_sendmsg+0xcd/0x170
[ 4211.610040][   T10]      do_syscall_64+0xc6/0x1e0
[ 4211.610040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4211.610040][   T10] 
[ 4221.848739][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4221.849172][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.849172][   T10]      dst_init+0x84/0x4a0
[ 4221.849172][   T10]      dst_alloc+0x97/0x150
[ 4221.849172][   T10]      ip6_dst_alloc+0x23/0x90
[ 4221.849172][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4221.849172][   T10]      ip6_pol_route+0x56f/0x840
[ 4221.849172][   T10]      fib6_rule_lookup+0x456/0x630
[ 4221.849172][   T10]      ip6_route_input+0x59c/0xa50
[ 4221.849172][   T10]      ipv6_rcv+0x397/0x810
[ 4221.849172][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4221.849172][   T10]      process_backlog+0x101/0x620
[ 4221.849172][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4221.849172][   T10]      net_rx_action+0x495/0xbe0
[ 4221.849172][   T10]      __do_softirq+0x1b5/0x7f6
[ 4221.849172][   T10] 
[ 4221.851016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.851016][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4221.851016][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4221.851016][   T10]      fib6_nh_init+0xa22/0x1580
[ 4221.851016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.851016][   T10]      ip6_route_add+0x1c/0x140
[ 4221.851016][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4221.851016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.851016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.851016][   T10]      netlink_unicast+0x449/0x710
[ 4221.851016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.851016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.851016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.851016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.851016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.851016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.851016][   T10] 
[ 4221.853110][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.853110][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.853110][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.853110][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.853110][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4221.853110][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4221.853110][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4221.853110][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4221.853110][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4221.853110][   T10]      addrconf_dad_begin+0x310/0x670
[ 4221.853110][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4221.853110][   T10]      process_one_work+0x84d/0x18a0
[ 4221.853110][   T10]      worker_thread+0x587/0xd30
[ 4221.853110][   T10]      kthread+0x28a/0x350
[ 4221.853110][   T10]      ret_from_fork+0x31/0x70
[ 4221.853110][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4221.853110][   T10] 
[ 4221.855890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.855890][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.855890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.855890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.855890][   T10]      ip6_route_add+0x1c/0x140
[ 4221.855890][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4221.855890][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4221.855890][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.855890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.855890][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.855890][   T10]      netlink_unicast+0x449/0x710
[ 4221.855890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.855890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.855890][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.855890][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.855890][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.855890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.855890][   T10] 
[ 4221.858163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.858163][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.858163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.858163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.858163][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4221.858163][   T10]      ipv6_add_addr+0x411/0x2000
[ 4221.858163][   T10]      inet6_addr_add+0x30e/0xa40
[ 4221.858163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.858163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.858163][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.858163][   T10]      netlink_unicast+0x449/0x710
[ 4221.858163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.858163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.858163][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.858163][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.858163][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.858163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.858163][   T10] 
[ 4221.860392][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.860392][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.860392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.860392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.860392][   T10]      ip6_route_add+0x1c/0x140
[ 4221.860392][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4221.860392][   T10]      addrconf_add_dev+0xe2/0x170
[ 4221.860392][   T10]      inet6_addr_add+0x12f/0xa40
[ 4221.860392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.860392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.860392][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.860392][   T10]      netlink_unicast+0x449/0x710
[ 4221.860392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.860392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.860392][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.860392][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.860392][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.860392][   T10] 
[ 4221.862763][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.862763][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4221.862763][   T10]      ipv6_find_idev+0x102/0x170
[ 4221.862763][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4221.862763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.862763][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.862763][   T10]      netlink_unicast+0x449/0x710
[ 4221.862763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.862763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.862763][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.862763][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.862763][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.862763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.862763][   T10] 
[ 4221.864656][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4221.864656][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4221.864656][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4221.864656][   T10]      ipv6_find_idev+0x102/0x170
[ 4221.864656][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4221.864656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.864656][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.864656][   T10]      netlink_unicast+0x449/0x710
[ 4221.864656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.864656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.864656][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.864656][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.864656][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.864656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.864656][   T10] 
[ 4221.866792][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4221.867049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.867049][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4221.867049][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4221.867049][   T10]      fib6_nh_init+0xa22/0x1580
[ 4221.867049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.867049][   T10]      ip6_route_add+0x1c/0x140
[ 4221.867049][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4221.867049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.867049][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.867049][   T10]      netlink_unicast+0x449/0x710
[ 4221.867049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.867049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.867049][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.867049][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.867049][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.867049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.867049][   T10] 
[ 4221.869379][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.869379][   T10]      dst_init+0x84/0x4a0
[ 4221.869379][   T10]      dst_alloc+0x97/0x150
[ 4221.869379][   T10]      ip6_dst_alloc+0x23/0x90
[ 4221.869379][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4221.869379][   T10]      ip6_pol_route+0x56f/0x840
[ 4221.869379][   T10]      fib6_rule_lookup+0x456/0x630
[ 4221.869379][   T10]      ip6_route_input+0x59c/0xa50
[ 4221.869379][   T10]      ipv6_rcv+0x397/0x810
[ 4221.869379][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4221.869379][   T10]      process_backlog+0x101/0x620
[ 4221.869379][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4221.869379][   T10]      net_rx_action+0x495/0xbe0
[ 4221.869379][   T10]      __do_softirq+0x1b5/0x7f6
[ 4221.869379][   T10] 
[ 4221.871395][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.871395][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.871395][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.871395][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.871395][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4221.871395][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4221.871395][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4221.871395][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4221.871395][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4221.871395][   T10]      addrconf_dad_begin+0x310/0x670
[ 4221.871395][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4221.871395][   T10]      process_one_work+0x84d/0x18a0
[ 4221.871395][   T10]      worker_thread+0x587/0xd30
[ 4221.871395][   T10]      kthread+0x28a/0x350
[ 4221.871395][   T10]      ret_from_fork+0x31/0x70
[ 4221.871395][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4221.871395][   T10] 
[ 4221.873751][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.873751][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.873751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.873751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.873751][   T10]      ip6_route_add+0x1c/0x140
[ 4221.873751][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4221.873751][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4221.873751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.873751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.873751][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.873751][   T10]      netlink_unicast+0x449/0x710
[ 4221.873751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.873751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.873751][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.873751][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.873751][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.873751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.873751][   T10] 
[ 4221.876239][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.876239][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.876239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.876239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.876239][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4221.876239][   T10]      ipv6_add_addr+0x411/0x2000
[ 4221.876239][   T10]      inet6_addr_add+0x30e/0xa40
[ 4221.876239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.876239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.876239][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.876239][   T10]      netlink_unicast+0x449/0x710
[ 4221.876239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.876239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.876239][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.876239][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.876239][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.876239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.876239][   T10] 
[ 4221.878634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.878634][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.878634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.878634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.878634][   T10]      ip6_route_add+0x1c/0x140
[ 4221.878634][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4221.878634][   T10]      addrconf_add_dev+0xe2/0x170
[ 4221.878634][   T10]      inet6_addr_add+0x12f/0xa40
[ 4221.878634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.878634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.878634][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.878634][   T10]      netlink_unicast+0x449/0x710
[ 4221.878634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.878634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.878634][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.878634][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.878634][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.878634][   T10] 
[ 4221.881072][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.881072][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4221.881072][   T10]      ipv6_find_idev+0x102/0x170
[ 4221.881072][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4221.881072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.881072][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.881072][   T10]      netlink_unicast+0x449/0x710
[ 4221.881072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.881072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.881072][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.881072][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.881072][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.881072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.881072][   T10] 
[ 4221.882854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4221.882854][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4221.882854][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4221.882854][   T10]      ipv6_find_idev+0x102/0x170
[ 4221.882854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4221.882854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.882854][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.882854][   T10]      netlink_unicast+0x449/0x710
[ 4221.882854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.882854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.882854][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.882854][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.882854][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.882854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.882854][   T10] 
[ 4221.884885][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4221.885148][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4221.885148][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.885148][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.885148][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.885148][   T10]      ip6_route_add+0x1c/0x140
[ 4221.885148][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4221.885148][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4221.885148][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.885148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.885148][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.885148][   T10]      netlink_unicast+0x449/0x710
[ 4221.885148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.885148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.885148][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.885148][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.885148][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.885148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.885148][   T10] 
[ 4221.887656][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4221.887656][   T10]      netdev_get_by_index+0x5e/0x80
[ 4221.887656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4221.887656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4221.887656][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4221.887656][   T10]      ipv6_add_addr+0x411/0x2000
[ 4221.887656][   T10]      inet6_addr_add+0x30e/0xa40
[ 4221.887656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4221.887656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.887656][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.887656][   T10]      netlink_unicast+0x449/0x710
[ 4221.887656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.887656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.887656][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.887656][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.887656][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.887656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.887656][   T10] 
[ 4221.890016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4221.890016][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4221.890016][   T10]      ipv6_find_idev+0x102/0x170
[ 4221.890016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4221.890016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.890016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.890016][   T10]      netlink_unicast+0x449/0x710
[ 4221.890016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.890016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.890016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.890016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.890016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.890016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.890016][   T10] 
[ 4221.891896][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4221.891896][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4221.891896][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4221.891896][   T10]      ipv6_find_idev+0x102/0x170
[ 4221.891896][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4221.891896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4221.891896][   T10]      netlink_rcv_skb+0x130/0x360
[ 4221.891896][   T10]      netlink_unicast+0x449/0x710
[ 4221.891896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4221.891896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4221.891896][   T10]      ___sys_sendmsg+0xee/0x170
[ 4221.891896][   T10]      __sys_sendmsg+0xcd/0x170
[ 4221.891896][   T10]      do_syscall_64+0xc6/0x1e0
[ 4221.891896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4221.891896][   T10] 
[ 4232.120809][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4232.121619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.121619][   T10]      dst_init+0x84/0x4a0
[ 4232.121619][   T10]      dst_alloc+0x97/0x150
[ 4232.121619][   T10]      ip6_dst_alloc+0x23/0x90
[ 4232.121619][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4232.121619][   T10]      ip6_pol_route+0x56f/0x840
[ 4232.121619][   T10]      fib6_rule_lookup+0x456/0x630
[ 4232.121619][   T10]      ip6_route_input+0x59c/0xa50
[ 4232.121619][   T10]      ipv6_rcv+0x397/0x810
[ 4232.121619][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4232.121619][   T10]      process_backlog+0x101/0x620
[ 4232.121619][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4232.121619][   T10]      net_rx_action+0x495/0xbe0
[ 4232.121619][   T10]      __do_softirq+0x1b5/0x7f6
[ 4232.121619][   T10] 
[ 4232.123708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.123708][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4232.123708][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4232.123708][   T10]      fib6_nh_init+0xa22/0x1580
[ 4232.123708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.123708][   T10]      ip6_route_add+0x1c/0x140
[ 4232.123708][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4232.123708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.123708][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.123708][   T10]      netlink_unicast+0x449/0x710
[ 4232.123708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.123708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.123708][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.123708][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.123708][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.123708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.123708][   T10] 
[ 4232.125568][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.125568][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.125568][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.125568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.125568][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4232.125568][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4232.125568][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4232.125568][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4232.125568][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4232.125568][   T10]      addrconf_dad_begin+0x310/0x670
[ 4232.125568][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4232.125568][   T10]      process_one_work+0x84d/0x18a0
[ 4232.125568][   T10]      worker_thread+0x587/0xd30
[ 4232.125568][   T10]      kthread+0x28a/0x350
[ 4232.125568][   T10]      ret_from_fork+0x31/0x70
[ 4232.125568][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4232.125568][   T10] 
[ 4232.127534][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.127534][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.127534][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.127534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.127534][   T10]      ip6_route_add+0x1c/0x140
[ 4232.127534][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4232.127534][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4232.127534][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.127534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.127534][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.127534][   T10]      netlink_unicast+0x449/0x710
[ 4232.127534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.127534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.127534][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.127534][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.127534][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.127534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.127534][   T10] 
[ 4232.129663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.129663][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.129663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.129663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.129663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4232.129663][   T10]      ipv6_add_addr+0x411/0x2000
[ 4232.129663][   T10]      inet6_addr_add+0x30e/0xa40
[ 4232.129663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.129663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.129663][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.129663][   T10]      netlink_unicast+0x449/0x710
[ 4232.129663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.129663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.129663][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.129663][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.129663][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.129663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.129663][   T10] 
[ 4232.131685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.131685][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.131685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.131685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.131685][   T10]      ip6_route_add+0x1c/0x140
[ 4232.131685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4232.131685][   T10]      addrconf_add_dev+0xe2/0x170
[ 4232.131685][   T10]      inet6_addr_add+0x12f/0xa40
[ 4232.131685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.131685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.131685][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.131685][   T10]      netlink_unicast+0x449/0x710
[ 4232.131685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.131685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.131685][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.131685][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.131685][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.131685][   T10] 
[ 4232.133679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.133679][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4232.133679][   T10]      ipv6_find_idev+0x102/0x170
[ 4232.133679][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4232.133679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.133679][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.133679][   T10]      netlink_unicast+0x449/0x710
[ 4232.133679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.133679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.133679][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.133679][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.133679][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.133679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.133679][   T10] 
[ 4232.135284][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4232.135284][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4232.135284][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4232.135284][   T10]      ipv6_find_idev+0x102/0x170
[ 4232.135284][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4232.135284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.135284][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.135284][   T10]      netlink_unicast+0x449/0x710
[ 4232.135284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.135284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.135284][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.135284][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.135284][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.135284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.135284][   T10] 
[ 4232.137030][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4232.137281][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.137281][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4232.137281][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4232.137281][   T10]      fib6_nh_init+0xa22/0x1580
[ 4232.137281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.137281][   T10]      ip6_route_add+0x1c/0x140
[ 4232.137281][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4232.137281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.137281][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.137281][   T10]      netlink_unicast+0x449/0x710
[ 4232.137281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.137281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.137281][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.137281][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.137281][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.137281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.137281][   T10] 
[ 4232.139197][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.139197][   T10]      dst_init+0x84/0x4a0
[ 4232.139197][   T10]      dst_alloc+0x97/0x150
[ 4232.139197][   T10]      ip6_dst_alloc+0x23/0x90
[ 4232.139197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4232.139197][   T10]      ip6_pol_route+0x56f/0x840
[ 4232.139197][   T10]      fib6_rule_lookup+0x456/0x630
[ 4232.139197][   T10]      ip6_route_input+0x59c/0xa50
[ 4232.139197][   T10]      ipv6_rcv+0x397/0x810
[ 4232.139197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4232.139197][   T10]      process_backlog+0x101/0x620
[ 4232.139197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4232.139197][   T10]      net_rx_action+0x495/0xbe0
[ 4232.139197][   T10]      __do_softirq+0x1b5/0x7f6
[ 4232.139197][   T10] 
[ 4232.140856][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.140856][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.140856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.140856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.140856][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4232.140856][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4232.140856][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4232.140856][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4232.140856][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4232.140856][   T10]      addrconf_dad_begin+0x310/0x670
[ 4232.140856][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4232.140856][   T10]      process_one_work+0x84d/0x18a0
[ 4232.140856][   T10]      worker_thread+0x587/0xd30
[ 4232.140856][   T10]      kthread+0x28a/0x350
[ 4232.140856][   T10]      ret_from_fork+0x31/0x70
[ 4232.140856][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4232.140856][   T10] 
[ 4232.142804][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.142804][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.142804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.142804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.142804][   T10]      ip6_route_add+0x1c/0x140
[ 4232.142804][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4232.142804][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4232.142804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.142804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.142804][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.142804][   T10]      netlink_unicast+0x449/0x710
[ 4232.142804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.142804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.142804][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.142804][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.142804][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.142804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.142804][   T10] 
[ 4232.144840][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.144840][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.144840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.144840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.144840][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4232.144840][   T10]      ipv6_add_addr+0x411/0x2000
[ 4232.144840][   T10]      inet6_addr_add+0x30e/0xa40
[ 4232.144840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.144840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.144840][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.144840][   T10]      netlink_unicast+0x449/0x710
[ 4232.144840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.144840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.144840][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.144840][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.144840][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.144840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.144840][   T10] 
[ 4232.146895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.146895][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.146895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.146895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.146895][   T10]      ip6_route_add+0x1c/0x140
[ 4232.146895][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4232.146895][   T10]      addrconf_add_dev+0xe2/0x170
[ 4232.146895][   T10]      inet6_addr_add+0x12f/0xa40
[ 4232.146895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.146895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.146895][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.146895][   T10]      netlink_unicast+0x449/0x710
[ 4232.146895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.146895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.146895][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.146895][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.146895][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.146895][   T10] 
[ 4232.149033][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.149033][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4232.149033][   T10]      ipv6_find_idev+0x102/0x170
[ 4232.149033][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4232.149033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.149033][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.149033][   T10]      netlink_unicast+0x449/0x710
[ 4232.149033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.149033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.149033][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.149033][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.149033][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.149033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.149033][   T10] 
[ 4232.150799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4232.150799][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4232.150799][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4232.150799][   T10]      ipv6_find_idev+0x102/0x170
[ 4232.150799][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4232.150799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.150799][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.150799][   T10]      netlink_unicast+0x449/0x710
[ 4232.150799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.150799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.150799][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.150799][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.150799][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.150799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.150799][   T10] 
[ 4232.152707][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4232.153008][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4232.153008][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.153008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.153008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.153008][   T10]      ip6_route_add+0x1c/0x140
[ 4232.153008][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4232.153008][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4232.153008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.153008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.153008][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.153008][   T10]      netlink_unicast+0x449/0x710
[ 4232.153008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.153008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.153008][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.153008][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.153008][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.153008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.153008][   T10] 
[ 4232.155345][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4232.155345][   T10]      netdev_get_by_index+0x5e/0x80
[ 4232.155345][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4232.155345][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4232.155345][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4232.155345][   T10]      ipv6_add_addr+0x411/0x2000
[ 4232.155345][   T10]      inet6_addr_add+0x30e/0xa40
[ 4232.155345][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4232.155345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.155345][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.155345][   T10]      netlink_unicast+0x449/0x710
[ 4232.155345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.155345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.155345][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.155345][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.155345][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.155345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.155345][   T10] 
[ 4232.157917][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4232.157917][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4232.157917][   T10]      ipv6_find_idev+0x102/0x170
[ 4232.157917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4232.157917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.157917][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.157917][   T10]      netlink_unicast+0x449/0x710
[ 4232.157917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.157917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.157917][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.157917][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.157917][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.157917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.157917][   T10] 
[ 4232.159657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4232.159657][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4232.159657][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4232.159657][   T10]      ipv6_find_idev+0x102/0x170
[ 4232.159657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4232.159657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4232.159657][   T10]      netlink_rcv_skb+0x130/0x360
[ 4232.159657][   T10]      netlink_unicast+0x449/0x710
[ 4232.159657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4232.159657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4232.159657][   T10]      ___sys_sendmsg+0xee/0x170
[ 4232.159657][   T10]      __sys_sendmsg+0xcd/0x170
[ 4232.159657][   T10]      do_syscall_64+0xc6/0x1e0
[ 4232.159657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4232.159657][   T10] 
[ 4242.192781][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4242.193677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.193677][   T10]      dst_init+0x84/0x4a0
[ 4242.193677][   T10]      dst_alloc+0x97/0x150
[ 4242.193677][   T10]      ip6_dst_alloc+0x23/0x90
[ 4242.193677][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4242.193677][   T10]      ip6_pol_route+0x56f/0x840
[ 4242.193677][   T10]      fib6_rule_lookup+0x456/0x630
[ 4242.193677][   T10]      ip6_route_input+0x59c/0xa50
[ 4242.193677][   T10]      ipv6_rcv+0x397/0x810
[ 4242.193677][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4242.193677][   T10]      process_backlog+0x101/0x620
[ 4242.193677][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4242.193677][   T10]      net_rx_action+0x495/0xbe0
[ 4242.193677][   T10]      __do_softirq+0x1b5/0x7f6
[ 4242.193677][   T10] 
[ 4242.195372][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.195372][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4242.195372][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4242.195372][   T10]      fib6_nh_init+0xa22/0x1580
[ 4242.195372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.195372][   T10]      ip6_route_add+0x1c/0x140
[ 4242.195372][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4242.195372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.195372][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.195372][   T10]      netlink_unicast+0x449/0x710
[ 4242.195372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.195372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.195372][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.195372][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.195372][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.195372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.195372][   T10] 
[ 4242.197306][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.197306][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.197306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.197306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.197306][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4242.197306][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4242.197306][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4242.197306][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4242.197306][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4242.197306][   T10]      addrconf_dad_begin+0x310/0x670
[ 4242.197306][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4242.197306][   T10]      process_one_work+0x84d/0x18a0
[ 4242.197306][   T10]      worker_thread+0x587/0xd30
[ 4242.197306][   T10]      kthread+0x28a/0x350
[ 4242.197306][   T10]      ret_from_fork+0x31/0x70
[ 4242.197306][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4242.197306][   T10] 
[ 4242.199229][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.199229][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.199229][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.199229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.199229][   T10]      ip6_route_add+0x1c/0x140
[ 4242.199229][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4242.199229][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4242.199229][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.199229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.199229][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.199229][   T10]      netlink_unicast+0x449/0x710
[ 4242.199229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.199229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.199229][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.199229][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.199229][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.199229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.199229][   T10] 
[ 4242.201287][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.201287][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.201287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.201287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.201287][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4242.201287][   T10]      ipv6_add_addr+0x411/0x2000
[ 4242.201287][   T10]      inet6_addr_add+0x30e/0xa40
[ 4242.201287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.201287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.201287][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.201287][   T10]      netlink_unicast+0x449/0x710
[ 4242.201287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.201287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.201287][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.201287][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.201287][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.201287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.201287][   T10] 
[ 4242.203338][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.203338][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.203338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.203338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.203338][   T10]      ip6_route_add+0x1c/0x140
[ 4242.203338][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4242.203338][   T10]      addrconf_add_dev+0xe2/0x170
[ 4242.203338][   T10]      inet6_addr_add+0x12f/0xa40
[ 4242.203338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.203338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.203338][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.203338][   T10]      netlink_unicast+0x449/0x710
[ 4242.203338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.203338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.203338][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.203338][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.203338][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.203338][   T10] 
[ 4242.205339][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.205339][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4242.205339][   T10]      ipv6_find_idev+0x102/0x170
[ 4242.205339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4242.205339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.205339][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.205339][   T10]      netlink_unicast+0x449/0x710
[ 4242.205339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.205339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.205339][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.205339][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.205339][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.205339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.205339][   T10] 
[ 4242.206909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4242.206909][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4242.206909][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4242.206909][   T10]      ipv6_find_idev+0x102/0x170
[ 4242.206909][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4242.206909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.206909][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.206909][   T10]      netlink_unicast+0x449/0x710
[ 4242.206909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.206909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.206909][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.206909][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.206909][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.206909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.206909][   T10] 
[ 4242.208630][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4242.208872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.208872][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4242.208872][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4242.208872][   T10]      fib6_nh_init+0xa22/0x1580
[ 4242.208872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.208872][   T10]      ip6_route_add+0x1c/0x140
[ 4242.208872][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4242.208872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.208872][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.208872][   T10]      netlink_unicast+0x449/0x710
[ 4242.208872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.208872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.208872][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.208872][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.208872][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.208872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.208872][   T10] 
[ 4242.210779][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.210779][   T10]      dst_init+0x84/0x4a0
[ 4242.210779][   T10]      dst_alloc+0x97/0x150
[ 4242.210779][   T10]      ip6_dst_alloc+0x23/0x90
[ 4242.210779][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4242.210779][   T10]      ip6_pol_route+0x56f/0x840
[ 4242.210779][   T10]      fib6_rule_lookup+0x456/0x630
[ 4242.210779][   T10]      ip6_route_input+0x59c/0xa50
[ 4242.210779][   T10]      ipv6_rcv+0x397/0x810
[ 4242.210779][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4242.210779][   T10]      process_backlog+0x101/0x620
[ 4242.210779][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4242.210779][   T10]      net_rx_action+0x495/0xbe0
[ 4242.210779][   T10]      __do_softirq+0x1b5/0x7f6
[ 4242.210779][   T10] 
[ 4242.212440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.212440][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.212440][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.212440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.212440][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4242.212440][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4242.212440][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4242.212440][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4242.212440][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4242.212440][   T10]      addrconf_dad_begin+0x310/0x670
[ 4242.212440][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4242.212440][   T10]      process_one_work+0x84d/0x18a0
[ 4242.212440][   T10]      worker_thread+0x587/0xd30
[ 4242.212440][   T10]      kthread+0x28a/0x350
[ 4242.212440][   T10]      ret_from_fork+0x31/0x70
[ 4242.212440][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4242.212440][   T10] 
[ 4242.214370][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.214370][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.214370][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.214370][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.214370][   T10]      ip6_route_add+0x1c/0x140
[ 4242.214370][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4242.214370][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4242.214370][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.214370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.214370][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.214370][   T10]      netlink_unicast+0x449/0x710
[ 4242.214370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.214370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.214370][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.214370][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.214370][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.214370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.214370][   T10] 
[ 4242.216417][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.216417][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.216417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.216417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.216417][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4242.216417][   T10]      ipv6_add_addr+0x411/0x2000
[ 4242.216417][   T10]      inet6_addr_add+0x30e/0xa40
[ 4242.216417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.216417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.216417][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.216417][   T10]      netlink_unicast+0x449/0x710
[ 4242.216417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.216417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.216417][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.216417][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.216417][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.216417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.216417][   T10] 
[ 4242.218443][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.218443][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.218443][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.218443][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.218443][   T10]      ip6_route_add+0x1c/0x140
[ 4242.218443][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4242.218443][   T10]      addrconf_add_dev+0xe2/0x170
[ 4242.218443][   T10]      inet6_addr_add+0x12f/0xa40
[ 4242.218443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.218443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.218443][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.218443][   T10]      netlink_unicast+0x449/0x710
[ 4242.218443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.218443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.218443][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.218443][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.218443][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.218443][   T10] 
[ 4242.220548][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.220548][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4242.220548][   T10]      ipv6_find_idev+0x102/0x170
[ 4242.220548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4242.220548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.220548][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.220548][   T10]      netlink_unicast+0x449/0x710
[ 4242.220548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.220548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.220548][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.220548][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.220548][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.220548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.220548][   T10] 
[ 4242.222469][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4242.222469][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4242.222469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4242.222469][   T10]      ipv6_find_idev+0x102/0x170
[ 4242.222469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4242.222469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.222469][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.222469][   T10]      netlink_unicast+0x449/0x710
[ 4242.222469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.222469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.222469][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.222469][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.222469][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.222469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.222469][   T10] 
[ 4242.224372][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4242.224686][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4242.224686][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.224686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.224686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.224686][   T10]      ip6_route_add+0x1c/0x140
[ 4242.224686][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4242.224686][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4242.224686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.224686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.224686][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.224686][   T10]      netlink_unicast+0x449/0x710
[ 4242.224686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.224686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.224686][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.224686][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.224686][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.224686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.224686][   T10] 
[ 4242.226973][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4242.226973][   T10]      netdev_get_by_index+0x5e/0x80
[ 4242.226973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4242.226973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4242.226973][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4242.226973][   T10]      ipv6_add_addr+0x411/0x2000
[ 4242.226973][   T10]      inet6_addr_add+0x30e/0xa40
[ 4242.226973][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4242.226973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.226973][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.226973][   T10]      netlink_unicast+0x449/0x710
[ 4242.226973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.226973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.226973][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.226973][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.226973][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.226973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.226973][   T10] 
[ 4242.229112][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4242.229112][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4242.229112][   T10]      ipv6_find_idev+0x102/0x170
[ 4242.229112][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4242.229112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.229112][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.229112][   T10]      netlink_unicast+0x449/0x710
[ 4242.229112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.229112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.229112][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.229112][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.229112][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.229112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.229112][   T10] 
[ 4242.230865][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4242.230865][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4242.230865][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4242.230865][   T10]      ipv6_find_idev+0x102/0x170
[ 4242.230865][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4242.230865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4242.230865][   T10]      netlink_rcv_skb+0x130/0x360
[ 4242.230865][   T10]      netlink_unicast+0x449/0x710
[ 4242.230865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4242.230865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4242.230865][   T10]      ___sys_sendmsg+0xee/0x170
[ 4242.230865][   T10]      __sys_sendmsg+0xcd/0x170
[ 4242.230865][   T10]      do_syscall_64+0xc6/0x1e0
[ 4242.230865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4242.230865][   T10] 
[ 4252.480746][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4252.481197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.481197][   T10]      dst_init+0x84/0x4a0
[ 4252.481197][   T10]      dst_alloc+0x97/0x150
[ 4252.481197][   T10]      ip6_dst_alloc+0x23/0x90
[ 4252.481197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4252.481197][   T10]      ip6_pol_route+0x56f/0x840
[ 4252.481197][   T10]      fib6_rule_lookup+0x456/0x630
[ 4252.481197][   T10]      ip6_route_input+0x59c/0xa50
[ 4252.481197][   T10]      ipv6_rcv+0x397/0x810
[ 4252.481197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4252.481197][   T10]      process_backlog+0x101/0x620
[ 4252.481197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4252.481197][   T10]      net_rx_action+0x495/0xbe0
[ 4252.481197][   T10]      __do_softirq+0x1b5/0x7f6
[ 4252.481197][   T10] 
[ 4252.482853][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.482853][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4252.482853][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4252.482853][   T10]      fib6_nh_init+0xa22/0x1580
[ 4252.482853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.482853][   T10]      ip6_route_add+0x1c/0x140
[ 4252.482853][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4252.482853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.482853][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.482853][   T10]      netlink_unicast+0x449/0x710
[ 4252.482853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.482853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.482853][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.482853][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.482853][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.482853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.482853][   T10] 
[ 4252.484689][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.484689][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.484689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.484689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.484689][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4252.484689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4252.484689][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4252.484689][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4252.484689][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4252.484689][   T10]      addrconf_dad_begin+0x310/0x670
[ 4252.484689][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4252.484689][   T10]      process_one_work+0x84d/0x18a0
[ 4252.484689][   T10]      worker_thread+0x587/0xd30
[ 4252.484689][   T10]      kthread+0x28a/0x350
[ 4252.484689][   T10]      ret_from_fork+0x31/0x70
[ 4252.484689][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4252.484689][   T10] 
[ 4252.486611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.486611][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.486611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.486611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.486611][   T10]      ip6_route_add+0x1c/0x140
[ 4252.486611][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4252.486611][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4252.486611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.486611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.486611][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.486611][   T10]      netlink_unicast+0x449/0x710
[ 4252.486611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.486611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.486611][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.486611][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.486611][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.486611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.486611][   T10] 
[ 4252.488596][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.488596][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.488596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.488596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.488596][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4252.488596][   T10]      ipv6_add_addr+0x411/0x2000
[ 4252.488596][   T10]      inet6_addr_add+0x30e/0xa40
[ 4252.488596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.488596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.488596][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.488596][   T10]      netlink_unicast+0x449/0x710
[ 4252.488596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.488596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.488596][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.488596][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.488596][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.488596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.488596][   T10] 
[ 4252.490628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.490628][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.490628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.490628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.490628][   T10]      ip6_route_add+0x1c/0x140
[ 4252.490628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4252.490628][   T10]      addrconf_add_dev+0xe2/0x170
[ 4252.490628][   T10]      inet6_addr_add+0x12f/0xa40
[ 4252.490628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.490628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.490628][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.490628][   T10]      netlink_unicast+0x449/0x710
[ 4252.490628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.490628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.490628][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.490628][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.490628][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.490628][   T10] 
[ 4252.492585][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.492585][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4252.492585][   T10]      ipv6_find_idev+0x102/0x170
[ 4252.492585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4252.492585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.492585][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.492585][   T10]      netlink_unicast+0x449/0x710
[ 4252.492585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.492585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.492585][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.492585][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.492585][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.492585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.492585][   T10] 
[ 4252.494118][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4252.494118][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4252.494118][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4252.494118][   T10]      ipv6_find_idev+0x102/0x170
[ 4252.494118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4252.494118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.494118][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.494118][   T10]      netlink_unicast+0x449/0x710
[ 4252.494118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.494118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.494118][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.494118][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.494118][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.494118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.494118][   T10] 
[ 4252.495801][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4252.496049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.496049][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4252.496049][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4252.496049][   T10]      fib6_nh_init+0xa22/0x1580
[ 4252.496049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.496049][   T10]      ip6_route_add+0x1c/0x140
[ 4252.496049][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4252.496049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.496049][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.496049][   T10]      netlink_unicast+0x449/0x710
[ 4252.496049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.496049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.496049][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.496049][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.496049][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.496049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.496049][   T10] 
[ 4252.497922][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.497922][   T10]      dst_init+0x84/0x4a0
[ 4252.497922][   T10]      dst_alloc+0x97/0x150
[ 4252.497922][   T10]      ip6_dst_alloc+0x23/0x90
[ 4252.497922][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4252.497922][   T10]      ip6_pol_route+0x56f/0x840
[ 4252.497922][   T10]      fib6_rule_lookup+0x456/0x630
[ 4252.497922][   T10]      ip6_route_input+0x59c/0xa50
[ 4252.497922][   T10]      ipv6_rcv+0x397/0x810
[ 4252.497922][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4252.497922][   T10]      process_backlog+0x101/0x620
[ 4252.497922][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4252.497922][   T10]      net_rx_action+0x495/0xbe0
[ 4252.497922][   T10]      __do_softirq+0x1b5/0x7f6
[ 4252.497922][   T10] 
[ 4252.499558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.499558][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.499558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.499558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.499558][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4252.499558][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4252.499558][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4252.499558][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4252.499558][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4252.499558][   T10]      addrconf_dad_begin+0x310/0x670
[ 4252.499558][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4252.499558][   T10]      process_one_work+0x84d/0x18a0
[ 4252.499558][   T10]      worker_thread+0x587/0xd30
[ 4252.499558][   T10]      kthread+0x28a/0x350
[ 4252.499558][   T10]      ret_from_fork+0x31/0x70
[ 4252.499558][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4252.499558][   T10] 
[ 4252.501470][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.501470][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.501470][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.501470][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.501470][   T10]      ip6_route_add+0x1c/0x140
[ 4252.501470][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4252.501470][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4252.501470][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.501470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.501470][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.501470][   T10]      netlink_unicast+0x449/0x710
[ 4252.501470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.501470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.501470][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.501470][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.501470][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.501470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.501470][   T10] 
[ 4252.503466][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.503466][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.503466][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.503466][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.503466][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4252.503466][   T10]      ipv6_add_addr+0x411/0x2000
[ 4252.503466][   T10]      inet6_addr_add+0x30e/0xa40
[ 4252.503466][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.503466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.503466][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.503466][   T10]      netlink_unicast+0x449/0x710
[ 4252.503466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.503466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.503466][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.503466][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.503466][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.503466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.503466][   T10] 
[ 4252.505468][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.505468][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.505468][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.505468][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.505468][   T10]      ip6_route_add+0x1c/0x140
[ 4252.505468][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4252.505468][   T10]      addrconf_add_dev+0xe2/0x170
[ 4252.505468][   T10]      inet6_addr_add+0x12f/0xa40
[ 4252.505468][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.505468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.505468][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.505468][   T10]      netlink_unicast+0x449/0x710
[ 4252.505468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.505468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.505468][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.505468][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.505468][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.505468][   T10] 
[ 4252.507617][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.507617][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4252.507617][   T10]      ipv6_find_idev+0x102/0x170
[ 4252.507617][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4252.507617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.507617][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.507617][   T10]      netlink_unicast+0x449/0x710
[ 4252.507617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.507617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.507617][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.507617][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.507617][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.507617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.507617][   T10] 
[ 4252.509340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4252.509340][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4252.509340][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4252.509340][   T10]      ipv6_find_idev+0x102/0x170
[ 4252.509340][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4252.509340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.509340][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.509340][   T10]      netlink_unicast+0x449/0x710
[ 4252.509340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.509340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.509340][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.509340][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.509340][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.509340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.509340][   T10] 
[ 4252.511273][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4252.511571][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4252.511571][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.511571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.511571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.511571][   T10]      ip6_route_add+0x1c/0x140
[ 4252.511571][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4252.511571][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4252.511571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.511571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.511571][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.511571][   T10]      netlink_unicast+0x449/0x710
[ 4252.511571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.511571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.511571][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.511571][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.511571][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.511571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.511571][   T10] 
[ 4252.513746][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4252.513746][   T10]      netdev_get_by_index+0x5e/0x80
[ 4252.513746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4252.513746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4252.513746][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4252.513746][   T10]      ipv6_add_addr+0x411/0x2000
[ 4252.513746][   T10]      inet6_addr_add+0x30e/0xa40
[ 4252.513746][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4252.513746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.513746][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.513746][   T10]      netlink_unicast+0x449/0x710
[ 4252.513746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.513746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.513746][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.513746][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.513746][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.513746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.513746][   T10] 
[ 4252.516005][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4252.516005][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4252.516005][   T10]      ipv6_find_idev+0x102/0x170
[ 4252.516005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4252.516005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.516005][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.516005][   T10]      netlink_unicast+0x449/0x710
[ 4252.516005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.516005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.516005][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.516005][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.516005][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.516005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.516005][   T10] 
[ 4252.517728][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4252.517728][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4252.517728][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4252.517728][   T10]      ipv6_find_idev+0x102/0x170
[ 4252.517728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4252.517728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4252.517728][   T10]      netlink_rcv_skb+0x130/0x360
[ 4252.517728][   T10]      netlink_unicast+0x449/0x710
[ 4252.517728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4252.517728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4252.517728][   T10]      ___sys_sendmsg+0xee/0x170
[ 4252.517728][   T10]      __sys_sendmsg+0xcd/0x170
[ 4252.517728][   T10]      do_syscall_64+0xc6/0x1e0
[ 4252.517728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4252.517728][   T10] 
[ 4262.592772][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4262.593632][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.593632][   T10]      dst_init+0x84/0x4a0
[ 4262.593632][   T10]      dst_alloc+0x97/0x150
[ 4262.593632][   T10]      ip6_dst_alloc+0x23/0x90
[ 4262.593632][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4262.593632][   T10]      ip6_pol_route+0x56f/0x840
[ 4262.593632][   T10]      fib6_rule_lookup+0x456/0x630
[ 4262.593632][   T10]      ip6_route_input+0x59c/0xa50
[ 4262.593632][   T10]      ipv6_rcv+0x397/0x810
[ 4262.593632][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4262.593632][   T10]      process_backlog+0x101/0x620
[ 4262.593632][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4262.593632][   T10]      net_rx_action+0x495/0xbe0
[ 4262.593632][   T10]      __do_softirq+0x1b5/0x7f6
[ 4262.593632][   T10] 
[ 4262.595288][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.595288][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4262.595288][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4262.595288][   T10]      fib6_nh_init+0xa22/0x1580
[ 4262.595288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.595288][   T10]      ip6_route_add+0x1c/0x140
[ 4262.595288][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4262.595288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.595288][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.595288][   T10]      netlink_unicast+0x449/0x710
[ 4262.595288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.595288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.595288][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.595288][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.595288][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.595288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.595288][   T10] 
[ 4262.597172][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.597172][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.597172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.597172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.597172][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4262.597172][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4262.597172][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4262.597172][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4262.597172][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4262.597172][   T10]      addrconf_dad_begin+0x310/0x670
[ 4262.597172][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4262.597172][   T10]      process_one_work+0x84d/0x18a0
[ 4262.597172][   T10]      worker_thread+0x587/0xd30
[ 4262.597172][   T10]      kthread+0x28a/0x350
[ 4262.597172][   T10]      ret_from_fork+0x31/0x70
[ 4262.597172][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4262.597172][   T10] 
[ 4262.599108][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.599108][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.599108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.599108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.599108][   T10]      ip6_route_add+0x1c/0x140
[ 4262.599108][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4262.599108][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4262.599108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.599108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.599108][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.599108][   T10]      netlink_unicast+0x449/0x710
[ 4262.599108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.599108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.599108][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.599108][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.599108][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.599108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.599108][   T10] 
[ 4262.601089][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.601089][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.601089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.601089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.601089][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4262.601089][   T10]      ipv6_add_addr+0x411/0x2000
[ 4262.601089][   T10]      inet6_addr_add+0x30e/0xa40
[ 4262.601089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.601089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.601089][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.601089][   T10]      netlink_unicast+0x449/0x710
[ 4262.601089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.601089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.601089][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.601089][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.601089][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.601089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.601089][   T10] 
[ 4262.603108][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.603108][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.603108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.603108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.603108][   T10]      ip6_route_add+0x1c/0x140
[ 4262.603108][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4262.603108][   T10]      addrconf_add_dev+0xe2/0x170
[ 4262.603108][   T10]      inet6_addr_add+0x12f/0xa40
[ 4262.603108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.603108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.603108][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.603108][   T10]      netlink_unicast+0x449/0x710
[ 4262.603108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.603108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.603108][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.603108][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.603108][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.603108][   T10] 
[ 4262.605074][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.605074][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4262.605074][   T10]      ipv6_find_idev+0x102/0x170
[ 4262.605074][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4262.605074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.605074][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.605074][   T10]      netlink_unicast+0x449/0x710
[ 4262.605074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.605074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.605074][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.605074][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.605074][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.605074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.605074][   T10] 
[ 4262.606633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4262.606633][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4262.606633][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4262.606633][   T10]      ipv6_find_idev+0x102/0x170
[ 4262.606633][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4262.606633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.606633][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.606633][   T10]      netlink_unicast+0x449/0x710
[ 4262.606633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.606633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.606633][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.606633][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.606633][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.606633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.606633][   T10] 
[ 4262.608320][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4262.608555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.608555][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4262.608555][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4262.608555][   T10]      fib6_nh_init+0xa22/0x1580
[ 4262.608555][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.608555][   T10]      ip6_route_add+0x1c/0x140
[ 4262.608555][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4262.608555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.608555][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.608555][   T10]      netlink_unicast+0x449/0x710
[ 4262.608555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.608555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.608555][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.608555][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.608555][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.608555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.608555][   T10] 
[ 4262.610414][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.610414][   T10]      dst_init+0x84/0x4a0
[ 4262.610414][   T10]      dst_alloc+0x97/0x150
[ 4262.610414][   T10]      ip6_dst_alloc+0x23/0x90
[ 4262.610414][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4262.610414][   T10]      ip6_pol_route+0x56f/0x840
[ 4262.610414][   T10]      fib6_rule_lookup+0x456/0x630
[ 4262.610414][   T10]      ip6_route_input+0x59c/0xa50
[ 4262.610414][   T10]      ipv6_rcv+0x397/0x810
[ 4262.610414][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4262.610414][   T10]      process_backlog+0x101/0x620
[ 4262.610414][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4262.610414][   T10]      net_rx_action+0x495/0xbe0
[ 4262.610414][   T10]      __do_softirq+0x1b5/0x7f6
[ 4262.610414][   T10] 
[ 4262.612030][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.612030][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.612030][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.612030][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.612030][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4262.612030][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4262.612030][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4262.612030][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4262.612030][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4262.612030][   T10]      addrconf_dad_begin+0x310/0x670
[ 4262.612030][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4262.612030][   T10]      process_one_work+0x84d/0x18a0
[ 4262.612030][   T10]      worker_thread+0x587/0xd30
[ 4262.612030][   T10]      kthread+0x28a/0x350
[ 4262.612030][   T10]      ret_from_fork+0x31/0x70
[ 4262.612030][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4262.612030][   T10] 
[ 4262.613918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.613918][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.613918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.613918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.613918][   T10]      ip6_route_add+0x1c/0x140
[ 4262.613918][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4262.613918][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4262.613918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.613918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.613918][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.613918][   T10]      netlink_unicast+0x449/0x710
[ 4262.613918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.613918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.613918][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.613918][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.613918][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.613918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.613918][   T10] 
[ 4262.615945][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.615945][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.615945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.615945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.615945][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4262.615945][   T10]      ipv6_add_addr+0x411/0x2000
[ 4262.615945][   T10]      inet6_addr_add+0x30e/0xa40
[ 4262.615945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.615945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.615945][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.615945][   T10]      netlink_unicast+0x449/0x710
[ 4262.615945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.615945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.615945][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.615945][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.615945][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.615945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.615945][   T10] 
[ 4262.617941][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.617941][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.617941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.617941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.617941][   T10]      ip6_route_add+0x1c/0x140
[ 4262.617941][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4262.617941][   T10]      addrconf_add_dev+0xe2/0x170
[ 4262.617941][   T10]      inet6_addr_add+0x12f/0xa40
[ 4262.617941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.617941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.617941][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.617941][   T10]      netlink_unicast+0x449/0x710
[ 4262.617941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.617941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.617941][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.617941][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.617941][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.617941][   T10] 
[ 4262.620093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.620093][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4262.620093][   T10]      ipv6_find_idev+0x102/0x170
[ 4262.620093][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4262.620093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.620093][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.620093][   T10]      netlink_unicast+0x449/0x710
[ 4262.620093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.620093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.620093][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.620093][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.620093][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.620093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.620093][   T10] 
[ 4262.621870][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4262.621870][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4262.621870][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4262.621870][   T10]      ipv6_find_idev+0x102/0x170
[ 4262.621870][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4262.621870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.621870][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.621870][   T10]      netlink_unicast+0x449/0x710
[ 4262.621870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.621870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.621870][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.621870][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.621870][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.621870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.621870][   T10] 
[ 4262.623739][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4262.624052][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4262.624052][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.624052][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.624052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.624052][   T10]      ip6_route_add+0x1c/0x140
[ 4262.624052][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4262.624052][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4262.624052][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.624052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.624052][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.624052][   T10]      netlink_unicast+0x449/0x710
[ 4262.624052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.624052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.624052][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.624052][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.624052][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.624052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.624052][   T10] 
[ 4262.626243][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4262.626243][   T10]      netdev_get_by_index+0x5e/0x80
[ 4262.626243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4262.626243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4262.626243][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4262.626243][   T10]      ipv6_add_addr+0x411/0x2000
[ 4262.626243][   T10]      inet6_addr_add+0x30e/0xa40
[ 4262.626243][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4262.626243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.626243][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.626243][   T10]      netlink_unicast+0x449/0x710
[ 4262.626243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.626243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.626243][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.626243][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.626243][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.626243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.626243][   T10] 
[ 4262.628470][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4262.628470][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4262.628470][   T10]      ipv6_find_idev+0x102/0x170
[ 4262.628470][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4262.628470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.628470][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.628470][   T10]      netlink_unicast+0x449/0x710
[ 4262.628470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.628470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.628470][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.628470][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.628470][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.628470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.628470][   T10] 
[ 4262.630255][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4262.630255][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4262.630255][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4262.630255][   T10]      ipv6_find_idev+0x102/0x170
[ 4262.630255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4262.630255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4262.630255][   T10]      netlink_rcv_skb+0x130/0x360
[ 4262.630255][   T10]      netlink_unicast+0x449/0x710
[ 4262.630255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4262.630255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4262.630255][   T10]      ___sys_sendmsg+0xee/0x170
[ 4262.630255][   T10]      __sys_sendmsg+0xcd/0x170
[ 4262.630255][   T10]      do_syscall_64+0xc6/0x1e0
[ 4262.630255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4262.630255][   T10] 
[ 4272.872716][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4272.873162][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.873162][   T10]      dst_init+0x84/0x4a0
[ 4272.873162][   T10]      dst_alloc+0x97/0x150
[ 4272.873162][   T10]      ip6_dst_alloc+0x23/0x90
[ 4272.873162][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4272.873162][   T10]      ip6_pol_route+0x56f/0x840
[ 4272.873162][   T10]      fib6_rule_lookup+0x456/0x630
[ 4272.873162][   T10]      ip6_route_input+0x59c/0xa50
[ 4272.873162][   T10]      ipv6_rcv+0x397/0x810
[ 4272.873162][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4272.873162][   T10]      process_backlog+0x101/0x620
[ 4272.873162][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4272.873162][   T10]      net_rx_action+0x495/0xbe0
[ 4272.873162][   T10]      __do_softirq+0x1b5/0x7f6
[ 4272.873162][   T10] 
[ 4272.874836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.874836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4272.874836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4272.874836][   T10]      fib6_nh_init+0xa22/0x1580
[ 4272.874836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.874836][   T10]      ip6_route_add+0x1c/0x140
[ 4272.874836][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4272.874836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.874836][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.874836][   T10]      netlink_unicast+0x449/0x710
[ 4272.874836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.874836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.874836][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.874836][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.874836][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.874836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.874836][   T10] 
[ 4272.876733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.876733][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.876733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.876733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.876733][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4272.876733][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4272.876733][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4272.876733][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4272.876733][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4272.876733][   T10]      addrconf_dad_begin+0x310/0x670
[ 4272.876733][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4272.876733][   T10]      process_one_work+0x84d/0x18a0
[ 4272.876733][   T10]      worker_thread+0x587/0xd30
[ 4272.876733][   T10]      kthread+0x28a/0x350
[ 4272.876733][   T10]      ret_from_fork+0x31/0x70
[ 4272.876733][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4272.876733][   T10] 
[ 4272.878643][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.878643][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.878643][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.878643][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.878643][   T10]      ip6_route_add+0x1c/0x140
[ 4272.878643][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4272.878643][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4272.878643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.878643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.878643][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.878643][   T10]      netlink_unicast+0x449/0x710
[ 4272.878643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.878643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.878643][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.878643][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.878643][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.878643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.878643][   T10] 
[ 4272.880647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.880647][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.880647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.880647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.880647][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4272.880647][   T10]      ipv6_add_addr+0x411/0x2000
[ 4272.880647][   T10]      inet6_addr_add+0x30e/0xa40
[ 4272.880647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.880647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.880647][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.880647][   T10]      netlink_unicast+0x449/0x710
[ 4272.880647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.880647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.880647][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.880647][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.880647][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.880647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.880647][   T10] 
[ 4272.882637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.882637][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.882637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.882637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.882637][   T10]      ip6_route_add+0x1c/0x140
[ 4272.882637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4272.882637][   T10]      addrconf_add_dev+0xe2/0x170
[ 4272.882637][   T10]      inet6_addr_add+0x12f/0xa40
[ 4272.882637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.882637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.882637][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.882637][   T10]      netlink_unicast+0x449/0x710
[ 4272.882637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.882637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.882637][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.882637][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.882637][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.882637][   T10] 
[ 4272.884583][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.884583][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4272.884583][   T10]      ipv6_find_idev+0x102/0x170
[ 4272.884583][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4272.884583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.884583][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.884583][   T10]      netlink_unicast+0x449/0x710
[ 4272.884583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.884583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.884583][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.884583][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.884583][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.884583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.884583][   T10] 
[ 4272.886110][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4272.886110][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4272.886110][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4272.886110][   T10]      ipv6_find_idev+0x102/0x170
[ 4272.886110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4272.886110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.886110][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.886110][   T10]      netlink_unicast+0x449/0x710
[ 4272.886110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.886110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.886110][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.886110][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.886110][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.886110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.886110][   T10] 
[ 4272.887804][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4272.888050][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.888050][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4272.888050][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4272.888050][   T10]      fib6_nh_init+0xa22/0x1580
[ 4272.888050][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.888050][   T10]      ip6_route_add+0x1c/0x140
[ 4272.888050][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4272.888050][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.888050][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.888050][   T10]      netlink_unicast+0x449/0x710
[ 4272.888050][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.888050][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.888050][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.888050][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.888050][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.888050][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.888050][   T10] 
[ 4272.889920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.889920][   T10]      dst_init+0x84/0x4a0
[ 4272.889920][   T10]      dst_alloc+0x97/0x150
[ 4272.889920][   T10]      ip6_dst_alloc+0x23/0x90
[ 4272.889920][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4272.889920][   T10]      ip6_pol_route+0x56f/0x840
[ 4272.889920][   T10]      fib6_rule_lookup+0x456/0x630
[ 4272.889920][   T10]      ip6_route_input+0x59c/0xa50
[ 4272.889920][   T10]      ipv6_rcv+0x397/0x810
[ 4272.889920][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4272.889920][   T10]      process_backlog+0x101/0x620
[ 4272.889920][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4272.889920][   T10]      net_rx_action+0x495/0xbe0
[ 4272.889920][   T10]      __do_softirq+0x1b5/0x7f6
[ 4272.889920][   T10] 
[ 4272.891560][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.891560][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.891560][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.891560][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.891560][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4272.891560][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4272.891560][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4272.891560][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4272.891560][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4272.891560][   T10]      addrconf_dad_begin+0x310/0x670
[ 4272.891560][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4272.891560][   T10]      process_one_work+0x84d/0x18a0
[ 4272.891560][   T10]      worker_thread+0x587/0xd30
[ 4272.891560][   T10]      kthread+0x28a/0x350
[ 4272.891560][   T10]      ret_from_fork+0x31/0x70
[ 4272.891560][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4272.891560][   T10] 
[ 4272.893470][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.893470][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.893470][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.893470][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.893470][   T10]      ip6_route_add+0x1c/0x140
[ 4272.893470][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4272.893470][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4272.893470][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.893470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.893470][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.893470][   T10]      netlink_unicast+0x449/0x710
[ 4272.893470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.893470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.893470][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.893470][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.893470][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.893470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.893470][   T10] 
[ 4272.895480][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.895480][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.895480][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.895480][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.895480][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4272.895480][   T10]      ipv6_add_addr+0x411/0x2000
[ 4272.895480][   T10]      inet6_addr_add+0x30e/0xa40
[ 4272.895480][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.895480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.895480][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.895480][   T10]      netlink_unicast+0x449/0x710
[ 4272.895480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.895480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.895480][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.895480][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.895480][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.895480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.895480][   T10] 
[ 4272.897483][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.897483][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.897483][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.897483][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.897483][   T10]      ip6_route_add+0x1c/0x140
[ 4272.897483][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4272.897483][   T10]      addrconf_add_dev+0xe2/0x170
[ 4272.897483][   T10]      inet6_addr_add+0x12f/0xa40
[ 4272.897483][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.897483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.897483][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.897483][   T10]      netlink_unicast+0x449/0x710
[ 4272.897483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.897483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.897483][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.897483][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.897483][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.897483][   T10] 
[ 4272.899632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.899632][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4272.899632][   T10]      ipv6_find_idev+0x102/0x170
[ 4272.899632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4272.899632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.899632][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.899632][   T10]      netlink_unicast+0x449/0x710
[ 4272.899632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.899632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.899632][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.899632][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.899632][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.899632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.899632][   T10] 
[ 4272.901364][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4272.901364][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4272.901364][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4272.901364][   T10]      ipv6_find_idev+0x102/0x170
[ 4272.901364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4272.901364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.901364][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.901364][   T10]      netlink_unicast+0x449/0x710
[ 4272.901364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.901364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.901364][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.901364][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.901364][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.901364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.901364][   T10] 
[ 4272.903284][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4272.903578][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4272.903578][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.903578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.903578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.903578][   T10]      ip6_route_add+0x1c/0x140
[ 4272.903578][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4272.903578][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4272.903578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.903578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.903578][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.903578][   T10]      netlink_unicast+0x449/0x710
[ 4272.903578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.903578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.903578][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.903578][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.903578][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.903578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.903578][   T10] 
[ 4272.905776][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4272.905776][   T10]      netdev_get_by_index+0x5e/0x80
[ 4272.905776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4272.905776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4272.905776][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4272.905776][   T10]      ipv6_add_addr+0x411/0x2000
[ 4272.905776][   T10]      inet6_addr_add+0x30e/0xa40
[ 4272.905776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4272.905776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.905776][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.905776][   T10]      netlink_unicast+0x449/0x710
[ 4272.905776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.905776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.905776][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.905776][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.905776][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.905776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.905776][   T10] 
[ 4272.908016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4272.908016][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4272.908016][   T10]      ipv6_find_idev+0x102/0x170
[ 4272.908016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4272.908016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.908016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.908016][   T10]      netlink_unicast+0x449/0x710
[ 4272.908016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.908016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.908016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.908016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.908016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.908016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.908016][   T10] 
[ 4272.909731][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4272.909731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4272.909731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4272.909731][   T10]      ipv6_find_idev+0x102/0x170
[ 4272.909731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4272.909731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4272.909731][   T10]      netlink_rcv_skb+0x130/0x360
[ 4272.909731][   T10]      netlink_unicast+0x449/0x710
[ 4272.909731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4272.909731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4272.909731][   T10]      ___sys_sendmsg+0xee/0x170
[ 4272.909731][   T10]      __sys_sendmsg+0xcd/0x170
[ 4272.909731][   T10]      do_syscall_64+0xc6/0x1e0
[ 4272.909731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4272.909731][   T10] 
[ 4283.104756][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4283.105154][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.105154][   T10]      dst_init+0x84/0x4a0
[ 4283.105154][   T10]      dst_alloc+0x97/0x150
[ 4283.105154][   T10]      ip6_dst_alloc+0x23/0x90
[ 4283.105154][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4283.105154][   T10]      ip6_pol_route+0x56f/0x840
[ 4283.105154][   T10]      fib6_rule_lookup+0x456/0x630
[ 4283.105154][   T10]      ip6_route_input+0x59c/0xa50
[ 4283.105154][   T10]      ipv6_rcv+0x397/0x810
[ 4283.105154][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4283.105154][   T10]      process_backlog+0x101/0x620
[ 4283.105154][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4283.105154][   T10]      net_rx_action+0x495/0xbe0
[ 4283.105154][   T10]      __do_softirq+0x1b5/0x7f6
[ 4283.105154][   T10] 
[ 4283.106821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.106821][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4283.106821][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4283.106821][   T10]      fib6_nh_init+0xa22/0x1580
[ 4283.106821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.106821][   T10]      ip6_route_add+0x1c/0x140
[ 4283.106821][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4283.106821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.106821][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.106821][   T10]      netlink_unicast+0x449/0x710
[ 4283.106821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.106821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.106821][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.106821][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.106821][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.106821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.106821][   T10] 
[ 4283.108717][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.108717][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.108717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.108717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.108717][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4283.108717][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4283.108717][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4283.108717][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4283.108717][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4283.108717][   T10]      addrconf_dad_begin+0x310/0x670
[ 4283.108717][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4283.108717][   T10]      process_one_work+0x84d/0x18a0
[ 4283.108717][   T10]      worker_thread+0x587/0xd30
[ 4283.108717][   T10]      kthread+0x28a/0x350
[ 4283.108717][   T10]      ret_from_fork+0x31/0x70
[ 4283.108717][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4283.108717][   T10] 
[ 4283.110630][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.110630][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.110630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.110630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.110630][   T10]      ip6_route_add+0x1c/0x140
[ 4283.110630][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4283.110630][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4283.110630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.110630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.110630][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.110630][   T10]      netlink_unicast+0x449/0x710
[ 4283.110630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.110630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.110630][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.110630][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.110630][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.110630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.110630][   T10] 
[ 4283.112636][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.112636][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.112636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.112636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.112636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4283.112636][   T10]      ipv6_add_addr+0x411/0x2000
[ 4283.112636][   T10]      inet6_addr_add+0x30e/0xa40
[ 4283.112636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.112636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.112636][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.112636][   T10]      netlink_unicast+0x449/0x710
[ 4283.112636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.112636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.112636][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.112636][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.112636][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.112636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.112636][   T10] 
[ 4283.114652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.114652][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.114652][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.114652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.114652][   T10]      ip6_route_add+0x1c/0x140
[ 4283.114652][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4283.114652][   T10]      addrconf_add_dev+0xe2/0x170
[ 4283.114652][   T10]      inet6_addr_add+0x12f/0xa40
[ 4283.114652][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.114652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.114652][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.114652][   T10]      netlink_unicast+0x449/0x710
[ 4283.114652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.114652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.114652][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.114652][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.114652][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.114652][   T10] 
[ 4283.116631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.116631][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4283.116631][   T10]      ipv6_find_idev+0x102/0x170
[ 4283.116631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4283.116631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.116631][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.116631][   T10]      netlink_unicast+0x449/0x710
[ 4283.116631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.116631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.116631][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.116631][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.116631][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.116631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.116631][   T10] 
[ 4283.118174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4283.118174][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4283.118174][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4283.118174][   T10]      ipv6_find_idev+0x102/0x170
[ 4283.118174][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4283.118174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.118174][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.118174][   T10]      netlink_unicast+0x449/0x710
[ 4283.118174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.118174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.118174][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.118174][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.118174][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.118174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.118174][   T10] 
[ 4283.119871][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4283.120110][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.120110][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4283.120110][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4283.120110][   T10]      fib6_nh_init+0xa22/0x1580
[ 4283.120110][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.120110][   T10]      ip6_route_add+0x1c/0x140
[ 4283.120110][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4283.120110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.120110][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.120110][   T10]      netlink_unicast+0x449/0x710
[ 4283.120110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.120110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.120110][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.120110][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.120110][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.120110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.120110][   T10] 
[ 4283.122000][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.122000][   T10]      dst_init+0x84/0x4a0
[ 4283.122000][   T10]      dst_alloc+0x97/0x150
[ 4283.122000][   T10]      ip6_dst_alloc+0x23/0x90
[ 4283.122000][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4283.122000][   T10]      ip6_pol_route+0x56f/0x840
[ 4283.122000][   T10]      fib6_rule_lookup+0x456/0x630
[ 4283.122000][   T10]      ip6_route_input+0x59c/0xa50
[ 4283.122000][   T10]      ipv6_rcv+0x397/0x810
[ 4283.122000][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4283.122000][   T10]      process_backlog+0x101/0x620
[ 4283.122000][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4283.122000][   T10]      net_rx_action+0x495/0xbe0
[ 4283.122000][   T10]      __do_softirq+0x1b5/0x7f6
[ 4283.122000][   T10] 
[ 4283.123640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.123640][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.123640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.123640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.123640][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4283.123640][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4283.123640][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4283.123640][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4283.123640][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4283.123640][   T10]      addrconf_dad_begin+0x310/0x670
[ 4283.123640][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4283.123640][   T10]      process_one_work+0x84d/0x18a0
[ 4283.123640][   T10]      worker_thread+0x587/0xd30
[ 4283.123640][   T10]      kthread+0x28a/0x350
[ 4283.123640][   T10]      ret_from_fork+0x31/0x70
[ 4283.123640][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4283.123640][   T10] 
[ 4283.125547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.125547][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.125547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.125547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.125547][   T10]      ip6_route_add+0x1c/0x140
[ 4283.125547][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4283.125547][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4283.125547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.125547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.125547][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.125547][   T10]      netlink_unicast+0x449/0x710
[ 4283.125547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.125547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.125547][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.125547][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.125547][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.125547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.125547][   T10] 
[ 4283.127569][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.127569][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.127569][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.127569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.127569][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4283.127569][   T10]      ipv6_add_addr+0x411/0x2000
[ 4283.127569][   T10]      inet6_addr_add+0x30e/0xa40
[ 4283.127569][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.127569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.127569][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.127569][   T10]      netlink_unicast+0x449/0x710
[ 4283.127569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.127569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.127569][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.127569][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.127569][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.127569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.127569][   T10] 
[ 4283.129561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.129561][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.129561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.129561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.129561][   T10]      ip6_route_add+0x1c/0x140
[ 4283.129561][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4283.129561][   T10]      addrconf_add_dev+0xe2/0x170
[ 4283.129561][   T10]      inet6_addr_add+0x12f/0xa40
[ 4283.129561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.129561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.129561][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.129561][   T10]      netlink_unicast+0x449/0x710
[ 4283.129561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.129561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.129561][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.129561][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.129561][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.129561][   T10] 
[ 4283.131710][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.131710][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4283.131710][   T10]      ipv6_find_idev+0x102/0x170
[ 4283.131710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4283.131710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.131710][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.131710][   T10]      netlink_unicast+0x449/0x710
[ 4283.131710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.131710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.131710][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.131710][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.131710][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.131710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.131710][   T10] 
[ 4283.133485][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4283.133485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4283.133485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4283.133485][   T10]      ipv6_find_idev+0x102/0x170
[ 4283.133485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4283.133485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.133485][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.133485][   T10]      netlink_unicast+0x449/0x710
[ 4283.133485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.133485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.133485][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.133485][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.133485][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.133485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.133485][   T10] 
[ 4283.135349][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4283.135665][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4283.135665][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.135665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.135665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.135665][   T10]      ip6_route_add+0x1c/0x140
[ 4283.135665][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4283.135665][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4283.135665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.135665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.135665][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.135665][   T10]      netlink_unicast+0x449/0x710
[ 4283.135665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.135665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.135665][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.135665][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.135665][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.135665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.135665][   T10] 
[ 4283.137852][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4283.137852][   T10]      netdev_get_by_index+0x5e/0x80
[ 4283.137852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4283.137852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4283.137852][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4283.137852][   T10]      ipv6_add_addr+0x411/0x2000
[ 4283.137852][   T10]      inet6_addr_add+0x30e/0xa40
[ 4283.137852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4283.137852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.137852][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.137852][   T10]      netlink_unicast+0x449/0x710
[ 4283.137852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.137852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.137852][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.137852][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.137852][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.137852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.137852][   T10] 
[ 4283.140080][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4283.140080][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4283.140080][   T10]      ipv6_find_idev+0x102/0x170
[ 4283.140080][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4283.140080][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.140080][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.140080][   T10]      netlink_unicast+0x449/0x710
[ 4283.140080][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.140080][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.140080][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.140080][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.140080][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.140080][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.140080][   T10] 
[ 4283.141887][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4283.141887][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4283.141887][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4283.141887][   T10]      ipv6_find_idev+0x102/0x170
[ 4283.141887][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4283.141887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4283.141887][   T10]      netlink_rcv_skb+0x130/0x360
[ 4283.141887][   T10]      netlink_unicast+0x449/0x710
[ 4283.141887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4283.141887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4283.141887][   T10]      ___sys_sendmsg+0xee/0x170
[ 4283.141887][   T10]      __sys_sendmsg+0xcd/0x170
[ 4283.141887][   T10]      do_syscall_64+0xc6/0x1e0
[ 4283.141887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4283.141887][   T10] 
[ 4293.376722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4293.377115][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.377115][   T10]      dst_init+0x84/0x4a0
[ 4293.377115][   T10]      dst_alloc+0x97/0x150
[ 4293.377115][   T10]      ip6_dst_alloc+0x23/0x90
[ 4293.377115][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4293.377115][   T10]      ip6_pol_route+0x56f/0x840
[ 4293.377115][   T10]      fib6_rule_lookup+0x456/0x630
[ 4293.377115][   T10]      ip6_route_input+0x59c/0xa50
[ 4293.377115][   T10]      ipv6_rcv+0x397/0x810
[ 4293.377115][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4293.377115][   T10]      process_backlog+0x101/0x620
[ 4293.377115][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4293.377115][   T10]      net_rx_action+0x495/0xbe0
[ 4293.377115][   T10]      __do_softirq+0x1b5/0x7f6
[ 4293.377115][   T10] 
[ 4293.378789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.378789][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4293.378789][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4293.378789][   T10]      fib6_nh_init+0xa22/0x1580
[ 4293.378789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.378789][   T10]      ip6_route_add+0x1c/0x140
[ 4293.378789][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4293.378789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.378789][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.378789][   T10]      netlink_unicast+0x449/0x710
[ 4293.378789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.378789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.378789][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.378789][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.378789][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.378789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.378789][   T10] 
[ 4293.380672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.380672][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.380672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.380672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.380672][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4293.380672][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4293.380672][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4293.380672][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4293.380672][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4293.380672][   T10]      addrconf_dad_begin+0x310/0x670
[ 4293.380672][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4293.380672][   T10]      process_one_work+0x84d/0x18a0
[ 4293.380672][   T10]      worker_thread+0x587/0xd30
[ 4293.380672][   T10]      kthread+0x28a/0x350
[ 4293.380672][   T10]      ret_from_fork+0x31/0x70
[ 4293.380672][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4293.380672][   T10] 
[ 4293.382590][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.382590][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.382590][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.382590][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.382590][   T10]      ip6_route_add+0x1c/0x140
[ 4293.382590][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4293.382590][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4293.382590][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.382590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.382590][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.382590][   T10]      netlink_unicast+0x449/0x710
[ 4293.382590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.382590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.382590][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.382590][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.382590][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.382590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.382590][   T10] 
[ 4293.384589][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.384589][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.384589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.384589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.384589][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4293.384589][   T10]      ipv6_add_addr+0x411/0x2000
[ 4293.384589][   T10]      inet6_addr_add+0x30e/0xa40
[ 4293.384589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.384589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.384589][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.384589][   T10]      netlink_unicast+0x449/0x710
[ 4293.384589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.384589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.384589][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.384589][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.384589][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.384589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.384589][   T10] 
[ 4293.386596][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.386596][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.386596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.386596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.386596][   T10]      ip6_route_add+0x1c/0x140
[ 4293.386596][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4293.386596][   T10]      addrconf_add_dev+0xe2/0x170
[ 4293.386596][   T10]      inet6_addr_add+0x12f/0xa40
[ 4293.386596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.386596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.386596][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.386596][   T10]      netlink_unicast+0x449/0x710
[ 4293.386596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.386596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.386596][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.386596][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.386596][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.386596][   T10] 
[ 4293.388553][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.388553][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4293.388553][   T10]      ipv6_find_idev+0x102/0x170
[ 4293.388553][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4293.388553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.388553][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.388553][   T10]      netlink_unicast+0x449/0x710
[ 4293.388553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.388553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.388553][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.388553][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.388553][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.388553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.388553][   T10] 
[ 4293.390087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4293.390087][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4293.390087][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4293.390087][   T10]      ipv6_find_idev+0x102/0x170
[ 4293.390087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4293.390087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.390087][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.390087][   T10]      netlink_unicast+0x449/0x710
[ 4293.390087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.390087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.390087][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.390087][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.390087][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.390087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.390087][   T10] 
[ 4293.391773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4293.392010][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.392010][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4293.392010][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4293.392010][   T10]      fib6_nh_init+0xa22/0x1580
[ 4293.392010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.392010][   T10]      ip6_route_add+0x1c/0x140
[ 4293.392010][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4293.392010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.392010][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.392010][   T10]      netlink_unicast+0x449/0x710
[ 4293.392010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.392010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.392010][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.392010][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.392010][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.392010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.392010][   T10] 
[ 4293.393885][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.393885][   T10]      dst_init+0x84/0x4a0
[ 4293.393885][   T10]      dst_alloc+0x97/0x150
[ 4293.393885][   T10]      ip6_dst_alloc+0x23/0x90
[ 4293.393885][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4293.393885][   T10]      ip6_pol_route+0x56f/0x840
[ 4293.393885][   T10]      fib6_rule_lookup+0x456/0x630
[ 4293.393885][   T10]      ip6_route_input+0x59c/0xa50
[ 4293.393885][   T10]      ipv6_rcv+0x397/0x810
[ 4293.393885][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4293.393885][   T10]      process_backlog+0x101/0x620
[ 4293.393885][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4293.393885][   T10]      net_rx_action+0x495/0xbe0
[ 4293.393885][   T10]      __do_softirq+0x1b5/0x7f6
[ 4293.393885][   T10] 
[ 4293.395521][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.395521][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.395521][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.395521][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.395521][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4293.395521][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4293.395521][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4293.395521][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4293.395521][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4293.395521][   T10]      addrconf_dad_begin+0x310/0x670
[ 4293.395521][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4293.395521][   T10]      process_one_work+0x84d/0x18a0
[ 4293.395521][   T10]      worker_thread+0x587/0xd30
[ 4293.395521][   T10]      kthread+0x28a/0x350
[ 4293.395521][   T10]      ret_from_fork+0x31/0x70
[ 4293.395521][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4293.395521][   T10] 
[ 4293.397446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.397446][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.397446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.397446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.397446][   T10]      ip6_route_add+0x1c/0x140
[ 4293.397446][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4293.397446][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4293.397446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.397446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.397446][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.397446][   T10]      netlink_unicast+0x449/0x710
[ 4293.397446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.397446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.397446][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.397446][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.397446][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.397446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.397446][   T10] 
[ 4293.399441][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.399441][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.399441][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.399441][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.399441][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4293.399441][   T10]      ipv6_add_addr+0x411/0x2000
[ 4293.399441][   T10]      inet6_addr_add+0x30e/0xa40
[ 4293.399441][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.399441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.399441][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.399441][   T10]      netlink_unicast+0x449/0x710
[ 4293.399441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.399441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.399441][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.399441][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.399441][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.399441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.399441][   T10] 
[ 4293.401443][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.401443][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.401443][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.401443][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.401443][   T10]      ip6_route_add+0x1c/0x140
[ 4293.401443][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4293.401443][   T10]      addrconf_add_dev+0xe2/0x170
[ 4293.401443][   T10]      inet6_addr_add+0x12f/0xa40
[ 4293.401443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.401443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.401443][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.401443][   T10]      netlink_unicast+0x449/0x710
[ 4293.401443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.401443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.401443][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.401443][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.401443][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.401443][   T10] 
[ 4293.403601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.403601][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4293.403601][   T10]      ipv6_find_idev+0x102/0x170
[ 4293.403601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4293.403601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.403601][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.403601][   T10]      netlink_unicast+0x449/0x710
[ 4293.403601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.403601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.403601][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.403601][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.403601][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.403601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.403601][   T10] 
[ 4293.405323][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4293.405323][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4293.405323][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4293.405323][   T10]      ipv6_find_idev+0x102/0x170
[ 4293.405323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4293.405323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.405323][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.405323][   T10]      netlink_unicast+0x449/0x710
[ 4293.405323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.405323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.405323][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.405323][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.405323][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.405323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.405323][   T10] 
[ 4293.407809][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4293.408113][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4293.408113][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.408113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.408113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.408113][   T10]      ip6_route_add+0x1c/0x140
[ 4293.408113][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4293.408113][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4293.408113][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.408113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.408113][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.408113][   T10]      netlink_unicast+0x449/0x710
[ 4293.408113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.408113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.408113][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.408113][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.408113][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.408113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.408113][   T10] 
[ 4293.410234][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4293.410234][   T10]      netdev_get_by_index+0x5e/0x80
[ 4293.410234][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4293.410234][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4293.410234][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4293.410234][   T10]      ipv6_add_addr+0x411/0x2000
[ 4293.410234][   T10]      inet6_addr_add+0x30e/0xa40
[ 4293.410234][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4293.410234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.410234][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.410234][   T10]      netlink_unicast+0x449/0x710
[ 4293.410234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.410234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.410234][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.410234][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.410234][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.410234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.410234][   T10] 
[ 4293.412407][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4293.412407][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4293.412407][   T10]      ipv6_find_idev+0x102/0x170
[ 4293.412407][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4293.412407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.412407][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.412407][   T10]      netlink_unicast+0x449/0x710
[ 4293.412407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.412407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.412407][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.412407][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.412407][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.412407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.412407][   T10] 
[ 4293.414017][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4293.414017][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4293.414017][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4293.414017][   T10]      ipv6_find_idev+0x102/0x170
[ 4293.414017][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4293.414017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4293.414017][   T10]      netlink_rcv_skb+0x130/0x360
[ 4293.414017][   T10]      netlink_unicast+0x449/0x710
[ 4293.414017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4293.414017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4293.414017][   T10]      ___sys_sendmsg+0xee/0x170
[ 4293.414017][   T10]      __sys_sendmsg+0xcd/0x170
[ 4293.414017][   T10]      do_syscall_64+0xc6/0x1e0
[ 4293.414017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4293.414017][   T10] 
[ 4303.656707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4303.657176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.657176][   T10]      dst_init+0x84/0x4a0
[ 4303.657176][   T10]      dst_alloc+0x97/0x150
[ 4303.657176][   T10]      ip6_dst_alloc+0x23/0x90
[ 4303.657176][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4303.657176][   T10]      ip6_pol_route+0x56f/0x840
[ 4303.657176][   T10]      fib6_rule_lookup+0x456/0x630
[ 4303.657176][   T10]      ip6_route_input+0x59c/0xa50
[ 4303.657176][   T10]      ipv6_rcv+0x397/0x810
[ 4303.657176][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4303.657176][   T10]      process_backlog+0x101/0x620
[ 4303.657176][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4303.657176][   T10]      net_rx_action+0x495/0xbe0
[ 4303.657176][   T10]      __do_softirq+0x1b5/0x7f6
[ 4303.657176][   T10] 
[ 4303.658812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.658812][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4303.658812][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4303.658812][   T10]      fib6_nh_init+0xa22/0x1580
[ 4303.658812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.658812][   T10]      ip6_route_add+0x1c/0x140
[ 4303.658812][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4303.658812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.658812][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.658812][   T10]      netlink_unicast+0x449/0x710
[ 4303.658812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.658812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.658812][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.658812][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.658812][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.658812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.658812][   T10] 
[ 4303.660704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.660704][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.660704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.660704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.660704][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4303.660704][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4303.660704][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4303.660704][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4303.660704][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4303.660704][   T10]      addrconf_dad_begin+0x310/0x670
[ 4303.660704][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4303.660704][   T10]      process_one_work+0x84d/0x18a0
[ 4303.660704][   T10]      worker_thread+0x587/0xd30
[ 4303.660704][   T10]      kthread+0x28a/0x350
[ 4303.660704][   T10]      ret_from_fork+0x31/0x70
[ 4303.660704][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4303.660704][   T10] 
[ 4303.662617][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.662617][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.662617][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.662617][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.662617][   T10]      ip6_route_add+0x1c/0x140
[ 4303.662617][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4303.662617][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4303.662617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.662617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.662617][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.662617][   T10]      netlink_unicast+0x449/0x710
[ 4303.662617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.662617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.662617][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.662617][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.662617][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.662617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.662617][   T10] 
[ 4303.664736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.664736][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.664736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.664736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.664736][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4303.664736][   T10]      ipv6_add_addr+0x411/0x2000
[ 4303.664736][   T10]      inet6_addr_add+0x30e/0xa40
[ 4303.664736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.664736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.664736][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.664736][   T10]      netlink_unicast+0x449/0x710
[ 4303.664736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.664736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.664736][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.664736][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.664736][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.664736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.664736][   T10] 
[ 4303.666738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.666738][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.666738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.666738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.666738][   T10]      ip6_route_add+0x1c/0x140
[ 4303.666738][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4303.666738][   T10]      addrconf_add_dev+0xe2/0x170
[ 4303.666738][   T10]      inet6_addr_add+0x12f/0xa40
[ 4303.666738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.666738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.666738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.666738][   T10]      netlink_unicast+0x449/0x710
[ 4303.666738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.666738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.666738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.666738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.666738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.666738][   T10] 
[ 4303.668715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.668715][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4303.668715][   T10]      ipv6_find_idev+0x102/0x170
[ 4303.668715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4303.668715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.668715][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.668715][   T10]      netlink_unicast+0x449/0x710
[ 4303.668715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.668715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.668715][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.668715][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.668715][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.668715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.668715][   T10] 
[ 4303.670281][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4303.670281][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4303.670281][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4303.670281][   T10]      ipv6_find_idev+0x102/0x170
[ 4303.670281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4303.670281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.670281][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.670281][   T10]      netlink_unicast+0x449/0x710
[ 4303.670281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.670281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.670281][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.670281][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.670281][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.670281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.670281][   T10] 
[ 4303.671960][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4303.672227][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.672227][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4303.672227][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4303.672227][   T10]      fib6_nh_init+0xa22/0x1580
[ 4303.672227][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.672227][   T10]      ip6_route_add+0x1c/0x140
[ 4303.672227][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4303.672227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.672227][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.672227][   T10]      netlink_unicast+0x449/0x710
[ 4303.672227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.672227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.672227][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.672227][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.672227][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.672227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.672227][   T10] 
[ 4303.674046][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.674046][   T10]      dst_init+0x84/0x4a0
[ 4303.674046][   T10]      dst_alloc+0x97/0x150
[ 4303.674046][   T10]      ip6_dst_alloc+0x23/0x90
[ 4303.674046][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4303.674046][   T10]      ip6_pol_route+0x56f/0x840
[ 4303.674046][   T10]      fib6_rule_lookup+0x456/0x630
[ 4303.674046][   T10]      ip6_route_input+0x59c/0xa50
[ 4303.674046][   T10]      ipv6_rcv+0x397/0x810
[ 4303.674046][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4303.674046][   T10]      process_backlog+0x101/0x620
[ 4303.674046][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4303.674046][   T10]      net_rx_action+0x495/0xbe0
[ 4303.674046][   T10]      __do_softirq+0x1b5/0x7f6
[ 4303.674046][   T10] 
[ 4303.675673][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.675673][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.675673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.675673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.675673][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4303.675673][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4303.675673][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4303.675673][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4303.675673][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4303.675673][   T10]      addrconf_dad_begin+0x310/0x670
[ 4303.675673][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4303.675673][   T10]      process_one_work+0x84d/0x18a0
[ 4303.675673][   T10]      worker_thread+0x587/0xd30
[ 4303.675673][   T10]      kthread+0x28a/0x350
[ 4303.675673][   T10]      ret_from_fork+0x31/0x70
[ 4303.675673][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4303.675673][   T10] 
[ 4303.677567][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.677567][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.677567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.677567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.677567][   T10]      ip6_route_add+0x1c/0x140
[ 4303.677567][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4303.677567][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4303.677567][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.677567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.677567][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.677567][   T10]      netlink_unicast+0x449/0x710
[ 4303.677567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.677567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.677567][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.677567][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.677567][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.677567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.677567][   T10] 
[ 4303.679571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.679571][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.679571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.679571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.679571][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4303.679571][   T10]      ipv6_add_addr+0x411/0x2000
[ 4303.679571][   T10]      inet6_addr_add+0x30e/0xa40
[ 4303.679571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.679571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.679571][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.679571][   T10]      netlink_unicast+0x449/0x710
[ 4303.679571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.679571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.679571][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.679571][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.679571][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.679571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.679571][   T10] 
[ 4303.681598][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.681598][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.681598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.681598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.681598][   T10]      ip6_route_add+0x1c/0x140
[ 4303.681598][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4303.681598][   T10]      addrconf_add_dev+0xe2/0x170
[ 4303.681598][   T10]      inet6_addr_add+0x12f/0xa40
[ 4303.681598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.681598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.681598][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.681598][   T10]      netlink_unicast+0x449/0x710
[ 4303.681598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.681598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.681598][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.681598][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.681598][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.681598][   T10] 
[ 4303.683728][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.683728][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4303.683728][   T10]      ipv6_find_idev+0x102/0x170
[ 4303.683728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4303.683728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.683728][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.683728][   T10]      netlink_unicast+0x449/0x710
[ 4303.683728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.683728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.683728][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.683728][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.683728][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.683728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.683728][   T10] 
[ 4303.685444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4303.685444][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4303.685444][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4303.685444][   T10]      ipv6_find_idev+0x102/0x170
[ 4303.685444][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4303.685444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.685444][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.685444][   T10]      netlink_unicast+0x449/0x710
[ 4303.685444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.685444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.685444][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.685444][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.685444][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.685444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.685444][   T10] 
[ 4303.687319][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4303.687618][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4303.687618][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.687618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.687618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.687618][   T10]      ip6_route_add+0x1c/0x140
[ 4303.687618][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4303.687618][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4303.687618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.687618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.687618][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.687618][   T10]      netlink_unicast+0x449/0x710
[ 4303.687618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.687618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.687618][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.687618][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.687618][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.687618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.687618][   T10] 
[ 4303.689845][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4303.689845][   T10]      netdev_get_by_index+0x5e/0x80
[ 4303.689845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4303.689845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4303.689845][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4303.689845][   T10]      ipv6_add_addr+0x411/0x2000
[ 4303.689845][   T10]      inet6_addr_add+0x30e/0xa40
[ 4303.689845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4303.689845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.689845][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.689845][   T10]      netlink_unicast+0x449/0x710
[ 4303.689845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.689845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.689845][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.689845][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.689845][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.689845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.689845][   T10] 
[ 4303.692085][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4303.692085][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4303.692085][   T10]      ipv6_find_idev+0x102/0x170
[ 4303.692085][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4303.692085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.692085][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.692085][   T10]      netlink_unicast+0x449/0x710
[ 4303.692085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.692085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.692085][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.692085][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.692085][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.692085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.692085][   T10] 
[ 4303.693797][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4303.693797][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4303.693797][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4303.693797][   T10]      ipv6_find_idev+0x102/0x170
[ 4303.693797][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4303.693797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4303.693797][   T10]      netlink_rcv_skb+0x130/0x360
[ 4303.693797][   T10]      netlink_unicast+0x449/0x710
[ 4303.693797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4303.693797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4303.693797][   T10]      ___sys_sendmsg+0xee/0x170
[ 4303.693797][   T10]      __sys_sendmsg+0xcd/0x170
[ 4303.693797][   T10]      do_syscall_64+0xc6/0x1e0
[ 4303.693797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4303.693797][   T10] 
[ 4313.912788][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4313.913720][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.913720][   T10]      dst_init+0x84/0x4a0
[ 4313.913720][   T10]      dst_alloc+0x97/0x150
[ 4313.913720][   T10]      ip6_dst_alloc+0x23/0x90
[ 4313.913720][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4313.913720][   T10]      ip6_pol_route+0x56f/0x840
[ 4313.913720][   T10]      fib6_rule_lookup+0x456/0x630
[ 4313.913720][   T10]      ip6_route_input+0x59c/0xa50
[ 4313.913720][   T10]      ipv6_rcv+0x397/0x810
[ 4313.913720][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4313.913720][   T10]      process_backlog+0x101/0x620
[ 4313.913720][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4313.913720][   T10]      net_rx_action+0x495/0xbe0
[ 4313.913720][   T10]      __do_softirq+0x1b5/0x7f6
[ 4313.913720][   T10] 
[ 4313.915380][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.915380][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4313.915380][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4313.915380][   T10]      fib6_nh_init+0xa22/0x1580
[ 4313.915380][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.915380][   T10]      ip6_route_add+0x1c/0x140
[ 4313.915380][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4313.915380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.915380][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.915380][   T10]      netlink_unicast+0x449/0x710
[ 4313.915380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.915380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.915380][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.915380][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.915380][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.915380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.915380][   T10] 
[ 4313.917265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.917265][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.917265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.917265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.917265][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4313.917265][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4313.917265][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4313.917265][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4313.917265][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4313.917265][   T10]      addrconf_dad_begin+0x310/0x670
[ 4313.917265][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4313.917265][   T10]      process_one_work+0x84d/0x18a0
[ 4313.917265][   T10]      worker_thread+0x587/0xd30
[ 4313.917265][   T10]      kthread+0x28a/0x350
[ 4313.917265][   T10]      ret_from_fork+0x31/0x70
[ 4313.917265][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4313.917265][   T10] 
[ 4313.919163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.919163][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.919163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.919163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.919163][   T10]      ip6_route_add+0x1c/0x140
[ 4313.919163][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4313.919163][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4313.919163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.919163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.919163][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.919163][   T10]      netlink_unicast+0x449/0x710
[ 4313.919163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.919163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.919163][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.919163][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.919163][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.919163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.919163][   T10] 
[ 4313.921171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.921171][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.921171][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.921171][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.921171][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4313.921171][   T10]      ipv6_add_addr+0x411/0x2000
[ 4313.921171][   T10]      inet6_addr_add+0x30e/0xa40
[ 4313.921171][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.921171][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.921171][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.921171][   T10]      netlink_unicast+0x449/0x710
[ 4313.921171][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.921171][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.921171][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.921171][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.921171][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.921171][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.921171][   T10] 
[ 4313.923175][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.923175][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.923175][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.923175][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.923175][   T10]      ip6_route_add+0x1c/0x140
[ 4313.923175][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4313.923175][   T10]      addrconf_add_dev+0xe2/0x170
[ 4313.923175][   T10]      inet6_addr_add+0x12f/0xa40
[ 4313.923175][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.923175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.923175][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.923175][   T10]      netlink_unicast+0x449/0x710
[ 4313.923175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.923175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.923175][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.923175][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.923175][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.923175][   T10] 
[ 4313.925120][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.925120][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4313.925120][   T10]      ipv6_find_idev+0x102/0x170
[ 4313.925120][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4313.925120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.925120][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.925120][   T10]      netlink_unicast+0x449/0x710
[ 4313.925120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.925120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.925120][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.925120][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.925120][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.925120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.925120][   T10] 
[ 4313.926693][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4313.926693][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4313.926693][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4313.926693][   T10]      ipv6_find_idev+0x102/0x170
[ 4313.926693][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4313.926693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.926693][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.926693][   T10]      netlink_unicast+0x449/0x710
[ 4313.926693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.926693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.926693][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.926693][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.926693][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.926693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.926693][   T10] 
[ 4313.928410][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4313.928671][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.928671][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4313.928671][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4313.928671][   T10]      fib6_nh_init+0xa22/0x1580
[ 4313.928671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.928671][   T10]      ip6_route_add+0x1c/0x140
[ 4313.928671][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4313.928671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.928671][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.928671][   T10]      netlink_unicast+0x449/0x710
[ 4313.928671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.928671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.928671][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.928671][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.928671][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.928671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.928671][   T10] 
[ 4313.930579][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.930579][   T10]      dst_init+0x84/0x4a0
[ 4313.930579][   T10]      dst_alloc+0x97/0x150
[ 4313.930579][   T10]      ip6_dst_alloc+0x23/0x90
[ 4313.930579][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4313.930579][   T10]      ip6_pol_route+0x56f/0x840
[ 4313.930579][   T10]      fib6_rule_lookup+0x456/0x630
[ 4313.930579][   T10]      ip6_route_input+0x59c/0xa50
[ 4313.930579][   T10]      ipv6_rcv+0x397/0x810
[ 4313.930579][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4313.930579][   T10]      process_backlog+0x101/0x620
[ 4313.930579][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4313.930579][   T10]      net_rx_action+0x495/0xbe0
[ 4313.930579][   T10]      __do_softirq+0x1b5/0x7f6
[ 4313.930579][   T10] 
[ 4313.932336][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.932336][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.932336][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.932336][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.932336][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4313.932336][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4313.932336][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4313.932336][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4313.932336][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4313.932336][   T10]      addrconf_dad_begin+0x310/0x670
[ 4313.932336][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4313.932336][   T10]      process_one_work+0x84d/0x18a0
[ 4313.932336][   T10]      worker_thread+0x587/0xd30
[ 4313.932336][   T10]      kthread+0x28a/0x350
[ 4313.932336][   T10]      ret_from_fork+0x31/0x70
[ 4313.932336][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4313.932336][   T10] 
[ 4313.934321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.934321][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.934321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.934321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.934321][   T10]      ip6_route_add+0x1c/0x140
[ 4313.934321][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4313.934321][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4313.934321][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.934321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.934321][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.934321][   T10]      netlink_unicast+0x449/0x710
[ 4313.934321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.934321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.934321][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.934321][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.934321][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.934321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.934321][   T10] 
[ 4313.936381][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.936381][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.936381][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.936381][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.936381][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4313.936381][   T10]      ipv6_add_addr+0x411/0x2000
[ 4313.936381][   T10]      inet6_addr_add+0x30e/0xa40
[ 4313.936381][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.936381][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.936381][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.936381][   T10]      netlink_unicast+0x449/0x710
[ 4313.936381][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.936381][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.936381][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.936381][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.936381][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.936381][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.936381][   T10] 
[ 4313.938399][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.938399][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.938399][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.938399][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.938399][   T10]      ip6_route_add+0x1c/0x140
[ 4313.938399][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4313.938399][   T10]      addrconf_add_dev+0xe2/0x170
[ 4313.938399][   T10]      inet6_addr_add+0x12f/0xa40
[ 4313.938399][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.938399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.938399][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.938399][   T10]      netlink_unicast+0x449/0x710
[ 4313.938399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.938399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.938399][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.938399][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.938399][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.938399][   T10] 
[ 4313.940519][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.940519][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4313.940519][   T10]      ipv6_find_idev+0x102/0x170
[ 4313.940519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4313.940519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.940519][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.940519][   T10]      netlink_unicast+0x449/0x710
[ 4313.940519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.940519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.940519][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.940519][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.940519][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.940519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.940519][   T10] 
[ 4313.942328][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4313.942328][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4313.942328][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4313.942328][   T10]      ipv6_find_idev+0x102/0x170
[ 4313.942328][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4313.942328][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.942328][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.942328][   T10]      netlink_unicast+0x449/0x710
[ 4313.942328][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.942328][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.942328][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.942328][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.942328][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.942328][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.942328][   T10] 
[ 4313.944234][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4313.944567][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4313.944567][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.944567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.944567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.944567][   T10]      ip6_route_add+0x1c/0x140
[ 4313.944567][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4313.944567][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4313.944567][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.944567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.944567][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.944567][   T10]      netlink_unicast+0x449/0x710
[ 4313.944567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.944567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.944567][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.944567][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.944567][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.944567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.944567][   T10] 
[ 4313.946792][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4313.946792][   T10]      netdev_get_by_index+0x5e/0x80
[ 4313.946792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4313.946792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4313.946792][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4313.946792][   T10]      ipv6_add_addr+0x411/0x2000
[ 4313.946792][   T10]      inet6_addr_add+0x30e/0xa40
[ 4313.946792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4313.946792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.946792][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.946792][   T10]      netlink_unicast+0x449/0x710
[ 4313.946792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.946792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.946792][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.946792][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.946792][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.946792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.946792][   T10] 
[ 4313.948933][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4313.948933][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4313.948933][   T10]      ipv6_find_idev+0x102/0x170
[ 4313.948933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4313.948933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.948933][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.948933][   T10]      netlink_unicast+0x449/0x710
[ 4313.948933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.948933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.948933][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.948933][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.948933][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.948933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.948933][   T10] 
[ 4313.950679][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4313.950679][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4313.950679][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4313.950679][   T10]      ipv6_find_idev+0x102/0x170
[ 4313.950679][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4313.950679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4313.950679][   T10]      netlink_rcv_skb+0x130/0x360
[ 4313.950679][   T10]      netlink_unicast+0x449/0x710
[ 4313.950679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4313.950679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4313.950679][   T10]      ___sys_sendmsg+0xee/0x170
[ 4313.950679][   T10]      __sys_sendmsg+0xcd/0x170
[ 4313.950679][   T10]      do_syscall_64+0xc6/0x1e0
[ 4313.950679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4313.950679][   T10] 
[ 4324.096789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4324.097639][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.097639][   T10]      dst_init+0x84/0x4a0
[ 4324.097639][   T10]      dst_alloc+0x97/0x150
[ 4324.097639][   T10]      ip6_dst_alloc+0x23/0x90
[ 4324.097639][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4324.097639][   T10]      ip6_pol_route+0x56f/0x840
[ 4324.097639][   T10]      fib6_rule_lookup+0x456/0x630
[ 4324.097639][   T10]      ip6_route_input+0x59c/0xa50
[ 4324.097639][   T10]      ipv6_rcv+0x397/0x810
[ 4324.097639][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4324.097639][   T10]      process_backlog+0x101/0x620
[ 4324.097639][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4324.097639][   T10]      net_rx_action+0x495/0xbe0
[ 4324.097639][   T10]      __do_softirq+0x1b5/0x7f6
[ 4324.097639][   T10] 
[ 4324.099256][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.099256][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4324.099256][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4324.099256][   T10]      fib6_nh_init+0xa22/0x1580
[ 4324.099256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.099256][   T10]      ip6_route_add+0x1c/0x140
[ 4324.099256][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4324.099256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.099256][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.099256][   T10]      netlink_unicast+0x449/0x710
[ 4324.099256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.099256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.099256][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.099256][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.099256][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.099256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.099256][   T10] 
[ 4324.101128][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.101128][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.101128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.101128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.101128][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4324.101128][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4324.101128][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4324.101128][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4324.101128][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4324.101128][   T10]      addrconf_dad_begin+0x310/0x670
[ 4324.101128][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4324.101128][   T10]      process_one_work+0x84d/0x18a0
[ 4324.101128][   T10]      worker_thread+0x587/0xd30
[ 4324.101128][   T10]      kthread+0x28a/0x350
[ 4324.101128][   T10]      ret_from_fork+0x31/0x70
[ 4324.101128][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4324.101128][   T10] 
[ 4324.102928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.102928][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.102928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.102928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.102928][   T10]      ip6_route_add+0x1c/0x140
[ 4324.102928][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4324.102928][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4324.102928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.102928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.102928][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.102928][   T10]      netlink_unicast+0x449/0x710
[ 4324.102928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.102928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.102928][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.102928][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.102928][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.102928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.102928][   T10] 
[ 4324.104908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.104908][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.104908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.104908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.104908][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4324.104908][   T10]      ipv6_add_addr+0x411/0x2000
[ 4324.104908][   T10]      inet6_addr_add+0x30e/0xa40
[ 4324.104908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.104908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.104908][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.104908][   T10]      netlink_unicast+0x449/0x710
[ 4324.104908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.104908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.104908][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.104908][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.104908][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.104908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.104908][   T10] 
[ 4324.107366][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.107366][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.107366][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.107366][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.107366][   T10]      ip6_route_add+0x1c/0x140
[ 4324.107366][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4324.107366][   T10]      addrconf_add_dev+0xe2/0x170
[ 4324.107366][   T10]      inet6_addr_add+0x12f/0xa40
[ 4324.107366][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.107366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.107366][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.107366][   T10]      netlink_unicast+0x449/0x710
[ 4324.107366][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.107366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.107366][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.107366][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.107366][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.107366][   T10] 
[ 4324.109293][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.109293][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4324.109293][   T10]      ipv6_find_idev+0x102/0x170
[ 4324.109293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4324.109293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.109293][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.109293][   T10]      netlink_unicast+0x449/0x710
[ 4324.109293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.109293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.109293][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.109293][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.109293][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.109293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.109293][   T10] 
[ 4324.110808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4324.110808][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4324.110808][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4324.110808][   T10]      ipv6_find_idev+0x102/0x170
[ 4324.110808][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4324.110808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.110808][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.110808][   T10]      netlink_unicast+0x449/0x710
[ 4324.110808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.110808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.110808][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.110808][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.110808][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.110808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.110808][   T10] 
[ 4324.112535][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4324.112795][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.112795][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4324.112795][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4324.112795][   T10]      fib6_nh_init+0xa22/0x1580
[ 4324.112795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.112795][   T10]      ip6_route_add+0x1c/0x140
[ 4324.112795][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4324.112795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.112795][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.112795][   T10]      netlink_unicast+0x449/0x710
[ 4324.112795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.112795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.112795][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.112795][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.112795][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.112795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.112795][   T10] 
[ 4324.114710][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.114710][   T10]      dst_init+0x84/0x4a0
[ 4324.114710][   T10]      dst_alloc+0x97/0x150
[ 4324.114710][   T10]      ip6_dst_alloc+0x23/0x90
[ 4324.114710][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4324.114710][   T10]      ip6_pol_route+0x56f/0x840
[ 4324.114710][   T10]      fib6_rule_lookup+0x456/0x630
[ 4324.114710][   T10]      ip6_route_input+0x59c/0xa50
[ 4324.114710][   T10]      ipv6_rcv+0x397/0x810
[ 4324.114710][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4324.114710][   T10]      process_backlog+0x101/0x620
[ 4324.114710][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4324.114710][   T10]      net_rx_action+0x495/0xbe0
[ 4324.114710][   T10]      __do_softirq+0x1b5/0x7f6
[ 4324.114710][   T10] 
[ 4324.116397][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.116397][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.116397][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.116397][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.116397][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4324.116397][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4324.116397][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4324.116397][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4324.116397][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4324.116397][   T10]      addrconf_dad_begin+0x310/0x670
[ 4324.116397][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4324.116397][   T10]      process_one_work+0x84d/0x18a0
[ 4324.116397][   T10]      worker_thread+0x587/0xd30
[ 4324.116397][   T10]      kthread+0x28a/0x350
[ 4324.116397][   T10]      ret_from_fork+0x31/0x70
[ 4324.116397][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4324.116397][   T10] 
[ 4324.118323][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.118323][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.118323][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.118323][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.118323][   T10]      ip6_route_add+0x1c/0x140
[ 4324.118323][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4324.118323][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4324.118323][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.118323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.118323][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.118323][   T10]      netlink_unicast+0x449/0x710
[ 4324.118323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.118323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.118323][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.118323][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.118323][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.118323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.118323][   T10] 
[ 4324.120318][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.120318][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.120318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.120318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.120318][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4324.120318][   T10]      ipv6_add_addr+0x411/0x2000
[ 4324.120318][   T10]      inet6_addr_add+0x30e/0xa40
[ 4324.120318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.120318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.120318][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.120318][   T10]      netlink_unicast+0x449/0x710
[ 4324.120318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.120318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.120318][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.120318][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.120318][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.120318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.120318][   T10] 
[ 4324.122346][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.122346][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.122346][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.122346][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.122346][   T10]      ip6_route_add+0x1c/0x140
[ 4324.122346][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4324.122346][   T10]      addrconf_add_dev+0xe2/0x170
[ 4324.122346][   T10]      inet6_addr_add+0x12f/0xa40
[ 4324.122346][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.122346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.122346][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.122346][   T10]      netlink_unicast+0x449/0x710
[ 4324.122346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.122346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.122346][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.122346][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.122346][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.122346][   T10] 
[ 4324.124513][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.124513][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4324.124513][   T10]      ipv6_find_idev+0x102/0x170
[ 4324.124513][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4324.124513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.124513][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.124513][   T10]      netlink_unicast+0x449/0x710
[ 4324.124513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.124513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.124513][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.124513][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.124513][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.124513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.124513][   T10] 
[ 4324.126233][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4324.126233][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4324.126233][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4324.126233][   T10]      ipv6_find_idev+0x102/0x170
[ 4324.126233][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4324.126233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.126233][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.126233][   T10]      netlink_unicast+0x449/0x710
[ 4324.126233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.126233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.126233][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.126233][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.126233][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.126233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.126233][   T10] 
[ 4324.128167][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4324.128425][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4324.128425][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.128425][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.128425][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.128425][   T10]      ip6_route_add+0x1c/0x140
[ 4324.128425][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4324.128425][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4324.128425][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.128425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.128425][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.128425][   T10]      netlink_unicast+0x449/0x710
[ 4324.128425][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.128425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.128425][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.128425][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.128425][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.128425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.128425][   T10] 
[ 4324.130685][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4324.130685][   T10]      netdev_get_by_index+0x5e/0x80
[ 4324.130685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4324.130685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4324.130685][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4324.130685][   T10]      ipv6_add_addr+0x411/0x2000
[ 4324.130685][   T10]      inet6_addr_add+0x30e/0xa40
[ 4324.130685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4324.130685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.130685][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.130685][   T10]      netlink_unicast+0x449/0x710
[ 4324.130685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.130685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.130685][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.130685][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.130685][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.130685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.130685][   T10] 
[ 4324.132915][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4324.132915][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4324.132915][   T10]      ipv6_find_idev+0x102/0x170
[ 4324.132915][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4324.132915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.132915][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.132915][   T10]      netlink_unicast+0x449/0x710
[ 4324.132915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.132915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.132915][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.132915][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.132915][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.132915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.132915][   T10] 
[ 4324.134672][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4324.134672][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4324.134672][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4324.134672][   T10]      ipv6_find_idev+0x102/0x170
[ 4324.134672][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4324.134672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4324.134672][   T10]      netlink_rcv_skb+0x130/0x360
[ 4324.134672][   T10]      netlink_unicast+0x449/0x710
[ 4324.134672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4324.134672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4324.134672][   T10]      ___sys_sendmsg+0xee/0x170
[ 4324.134672][   T10]      __sys_sendmsg+0xcd/0x170
[ 4324.134672][   T10]      do_syscall_64+0xc6/0x1e0
[ 4324.134672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4324.134672][   T10] 
[ 4334.336923][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4334.337628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.337628][   T10]      dst_init+0x84/0x4a0
[ 4334.337628][   T10]      dst_alloc+0x97/0x150
[ 4334.337628][   T10]      ip6_dst_alloc+0x23/0x90
[ 4334.337628][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4334.337628][   T10]      ip6_pol_route+0x56f/0x840
[ 4334.337628][   T10]      fib6_rule_lookup+0x456/0x630
[ 4334.337628][   T10]      ip6_route_input+0x59c/0xa50
[ 4334.337628][   T10]      ipv6_rcv+0x397/0x810
[ 4334.337628][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4334.337628][   T10]      process_backlog+0x101/0x620
[ 4334.337628][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4334.337628][   T10]      net_rx_action+0x495/0xbe0
[ 4334.337628][   T10]      __do_softirq+0x1b5/0x7f6
[ 4334.337628][   T10] 
[ 4334.339365][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.339365][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4334.339365][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4334.339365][   T10]      fib6_nh_init+0xa22/0x1580
[ 4334.339365][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.339365][   T10]      ip6_route_add+0x1c/0x140
[ 4334.339365][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4334.339365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.339365][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.339365][   T10]      netlink_unicast+0x449/0x710
[ 4334.339365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.339365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.339365][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.339365][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.339365][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.339365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.339365][   T10] 
[ 4334.341230][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.341230][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.341230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.341230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.341230][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4334.341230][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4334.341230][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4334.341230][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4334.341230][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4334.341230][   T10]      addrconf_dad_begin+0x310/0x670
[ 4334.341230][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4334.341230][   T10]      process_one_work+0x84d/0x18a0
[ 4334.341230][   T10]      worker_thread+0x587/0xd30
[ 4334.341230][   T10]      kthread+0x28a/0x350
[ 4334.341230][   T10]      ret_from_fork+0x31/0x70
[ 4334.341230][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4334.341230][   T10] 
[ 4334.343173][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.343173][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.343173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.343173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.343173][   T10]      ip6_route_add+0x1c/0x140
[ 4334.343173][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4334.343173][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4334.343173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.343173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.343173][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.343173][   T10]      netlink_unicast+0x449/0x710
[ 4334.343173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.343173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.343173][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.343173][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.343173][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.343173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.343173][   T10] 
[ 4334.345202][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.345202][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.345202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.345202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.345202][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4334.345202][   T10]      ipv6_add_addr+0x411/0x2000
[ 4334.345202][   T10]      inet6_addr_add+0x30e/0xa40
[ 4334.345202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.345202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.345202][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.345202][   T10]      netlink_unicast+0x449/0x710
[ 4334.345202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.345202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.345202][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.345202][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.345202][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.345202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.345202][   T10] 
[ 4334.347279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.347279][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.347279][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.347279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.347279][   T10]      ip6_route_add+0x1c/0x140
[ 4334.347279][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4334.347279][   T10]      addrconf_add_dev+0xe2/0x170
[ 4334.347279][   T10]      inet6_addr_add+0x12f/0xa40
[ 4334.347279][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.347279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.347279][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.347279][   T10]      netlink_unicast+0x449/0x710
[ 4334.347279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.347279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.347279][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.347279][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.347279][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.347279][   T10] 
[ 4334.349294][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.349294][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4334.349294][   T10]      ipv6_find_idev+0x102/0x170
[ 4334.349294][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4334.349294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.349294][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.349294][   T10]      netlink_unicast+0x449/0x710
[ 4334.349294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.349294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.349294][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.349294][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.349294][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.349294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.349294][   T10] 
[ 4334.350857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4334.350857][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4334.350857][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4334.350857][   T10]      ipv6_find_idev+0x102/0x170
[ 4334.350857][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4334.350857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.350857][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.350857][   T10]      netlink_unicast+0x449/0x710
[ 4334.350857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.350857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.350857][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.350857][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.350857][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.350857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.350857][   T10] 
[ 4334.352575][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4334.352860][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.352860][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4334.352860][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4334.352860][   T10]      fib6_nh_init+0xa22/0x1580
[ 4334.352860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.352860][   T10]      ip6_route_add+0x1c/0x140
[ 4334.352860][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4334.352860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.352860][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.352860][   T10]      netlink_unicast+0x449/0x710
[ 4334.352860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.352860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.352860][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.352860][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.352860][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.352860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.352860][   T10] 
[ 4334.354769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.354769][   T10]      dst_init+0x84/0x4a0
[ 4334.354769][   T10]      dst_alloc+0x97/0x150
[ 4334.354769][   T10]      ip6_dst_alloc+0x23/0x90
[ 4334.354769][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4334.354769][   T10]      ip6_pol_route+0x56f/0x840
[ 4334.354769][   T10]      fib6_rule_lookup+0x456/0x630
[ 4334.354769][   T10]      ip6_route_input+0x59c/0xa50
[ 4334.354769][   T10]      ipv6_rcv+0x397/0x810
[ 4334.354769][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4334.354769][   T10]      process_backlog+0x101/0x620
[ 4334.354769][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4334.354769][   T10]      net_rx_action+0x495/0xbe0
[ 4334.354769][   T10]      __do_softirq+0x1b5/0x7f6
[ 4334.354769][   T10] 
[ 4334.356453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.356453][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.356453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.356453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.356453][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4334.356453][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4334.356453][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4334.356453][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4334.356453][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4334.356453][   T10]      addrconf_dad_begin+0x310/0x670
[ 4334.356453][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4334.356453][   T10]      process_one_work+0x84d/0x18a0
[ 4334.356453][   T10]      worker_thread+0x587/0xd30
[ 4334.356453][   T10]      kthread+0x28a/0x350
[ 4334.356453][   T10]      ret_from_fork+0x31/0x70
[ 4334.356453][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4334.356453][   T10] 
[ 4334.358401][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.358401][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.358401][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.358401][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.358401][   T10]      ip6_route_add+0x1c/0x140
[ 4334.358401][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4334.358401][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4334.358401][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.358401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.358401][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.358401][   T10]      netlink_unicast+0x449/0x710
[ 4334.358401][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.358401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.358401][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.358401][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.358401][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.358401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.358401][   T10] 
[ 4334.360405][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.360405][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.360405][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.360405][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.360405][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4334.360405][   T10]      ipv6_add_addr+0x411/0x2000
[ 4334.360405][   T10]      inet6_addr_add+0x30e/0xa40
[ 4334.360405][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.360405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.360405][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.360405][   T10]      netlink_unicast+0x449/0x710
[ 4334.360405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.360405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.360405][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.360405][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.360405][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.360405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.360405][   T10] 
[ 4334.362398][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.362398][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.362398][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.362398][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.362398][   T10]      ip6_route_add+0x1c/0x140
[ 4334.362398][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4334.362398][   T10]      addrconf_add_dev+0xe2/0x170
[ 4334.362398][   T10]      inet6_addr_add+0x12f/0xa40
[ 4334.362398][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.362398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.362398][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.362398][   T10]      netlink_unicast+0x449/0x710
[ 4334.362398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.362398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.362398][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.362398][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.362398][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.362398][   T10] 
[ 4334.364507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.364507][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4334.364507][   T10]      ipv6_find_idev+0x102/0x170
[ 4334.364507][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4334.364507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.364507][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.364507][   T10]      netlink_unicast+0x449/0x710
[ 4334.364507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.364507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.364507][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.364507][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.364507][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.364507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.364507][   T10] 
[ 4334.366282][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4334.366282][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4334.366282][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4334.366282][   T10]      ipv6_find_idev+0x102/0x170
[ 4334.366282][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4334.366282][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.366282][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.366282][   T10]      netlink_unicast+0x449/0x710
[ 4334.366282][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.366282][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.366282][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.366282][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.366282][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.366282][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.366282][   T10] 
[ 4334.368179][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4334.368495][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4334.368495][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.368495][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.368495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.368495][   T10]      ip6_route_add+0x1c/0x140
[ 4334.368495][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4334.368495][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4334.368495][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.368495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.368495][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.368495][   T10]      netlink_unicast+0x449/0x710
[ 4334.368495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.368495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.368495][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.368495][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.368495][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.368495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.368495][   T10] 
[ 4334.370697][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4334.370697][   T10]      netdev_get_by_index+0x5e/0x80
[ 4334.370697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4334.370697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4334.370697][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4334.370697][   T10]      ipv6_add_addr+0x411/0x2000
[ 4334.370697][   T10]      inet6_addr_add+0x30e/0xa40
[ 4334.370697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4334.370697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.370697][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.370697][   T10]      netlink_unicast+0x449/0x710
[ 4334.370697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.370697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.370697][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.370697][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.370697][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.370697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.370697][   T10] 
[ 4334.372830][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4334.372830][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4334.372830][   T10]      ipv6_find_idev+0x102/0x170
[ 4334.372830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4334.372830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.372830][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.372830][   T10]      netlink_unicast+0x449/0x710
[ 4334.372830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.372830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.372830][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.372830][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.372830][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.372830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.372830][   T10] 
[ 4334.374567][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4334.374567][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4334.374567][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4334.374567][   T10]      ipv6_find_idev+0x102/0x170
[ 4334.374567][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4334.374567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4334.374567][   T10]      netlink_rcv_skb+0x130/0x360
[ 4334.374567][   T10]      netlink_unicast+0x449/0x710
[ 4334.374567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4334.374567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4334.374567][   T10]      ___sys_sendmsg+0xee/0x170
[ 4334.374567][   T10]      __sys_sendmsg+0xcd/0x170
[ 4334.374567][   T10]      do_syscall_64+0xc6/0x1e0
[ 4334.374567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4334.374567][   T10] 
[ 4344.496779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4344.497728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.497728][   T10]      dst_init+0x84/0x4a0
[ 4344.497728][   T10]      dst_alloc+0x97/0x150
[ 4344.497728][   T10]      ip6_dst_alloc+0x23/0x90
[ 4344.497728][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4344.497728][   T10]      ip6_pol_route+0x56f/0x840
[ 4344.497728][   T10]      fib6_rule_lookup+0x456/0x630
[ 4344.497728][   T10]      ip6_route_input+0x59c/0xa50
[ 4344.497728][   T10]      ipv6_rcv+0x397/0x810
[ 4344.497728][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4344.497728][   T10]      process_backlog+0x101/0x620
[ 4344.497728][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4344.497728][   T10]      net_rx_action+0x495/0xbe0
[ 4344.497728][   T10]      __do_softirq+0x1b5/0x7f6
[ 4344.497728][   T10] 
[ 4344.499362][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.499362][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4344.499362][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4344.499362][   T10]      fib6_nh_init+0xa22/0x1580
[ 4344.499362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.499362][   T10]      ip6_route_add+0x1c/0x140
[ 4344.499362][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4344.499362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.499362][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.499362][   T10]      netlink_unicast+0x449/0x710
[ 4344.499362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.499362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.499362][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.499362][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.499362][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.499362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.499362][   T10] 
[ 4344.501302][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.501302][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.501302][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.501302][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.501302][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4344.501302][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4344.501302][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4344.501302][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4344.501302][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4344.501302][   T10]      addrconf_dad_begin+0x310/0x670
[ 4344.501302][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4344.501302][   T10]      process_one_work+0x84d/0x18a0
[ 4344.501302][   T10]      worker_thread+0x587/0xd30
[ 4344.501302][   T10]      kthread+0x28a/0x350
[ 4344.501302][   T10]      ret_from_fork+0x31/0x70
[ 4344.501302][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4344.501302][   T10] 
[ 4344.503170][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.503170][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.503170][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.503170][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.503170][   T10]      ip6_route_add+0x1c/0x140
[ 4344.503170][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4344.503170][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4344.503170][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.503170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.503170][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.503170][   T10]      netlink_unicast+0x449/0x710
[ 4344.503170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.503170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.503170][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.503170][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.503170][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.503170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.503170][   T10] 
[ 4344.505143][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.505143][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.505143][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.505143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.505143][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4344.505143][   T10]      ipv6_add_addr+0x411/0x2000
[ 4344.505143][   T10]      inet6_addr_add+0x30e/0xa40
[ 4344.505143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.505143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.505143][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.505143][   T10]      netlink_unicast+0x449/0x710
[ 4344.505143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.505143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.505143][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.505143][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.505143][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.505143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.505143][   T10] 
[ 4344.507096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.507096][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.507096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.507096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.507096][   T10]      ip6_route_add+0x1c/0x140
[ 4344.507096][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4344.507096][   T10]      addrconf_add_dev+0xe2/0x170
[ 4344.507096][   T10]      inet6_addr_add+0x12f/0xa40
[ 4344.507096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.507096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.507096][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.507096][   T10]      netlink_unicast+0x449/0x710
[ 4344.507096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.507096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.507096][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.507096][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.507096][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.507096][   T10] 
[ 4344.508997][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.508997][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4344.508997][   T10]      ipv6_find_idev+0x102/0x170
[ 4344.508997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4344.508997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.508997][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.508997][   T10]      netlink_unicast+0x449/0x710
[ 4344.508997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.508997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.508997][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.508997][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.508997][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.508997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.508997][   T10] 
[ 4344.510468][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4344.510468][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4344.510468][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4344.510468][   T10]      ipv6_find_idev+0x102/0x170
[ 4344.510468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4344.510468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.510468][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.510468][   T10]      netlink_unicast+0x449/0x710
[ 4344.510468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.510468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.510468][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.510468][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.510468][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.510468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.510468][   T10] 
[ 4344.512191][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4344.512429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.512429][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4344.512429][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4344.512429][   T10]      fib6_nh_init+0xa22/0x1580
[ 4344.512429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.512429][   T10]      ip6_route_add+0x1c/0x140
[ 4344.512429][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4344.512429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.512429][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.512429][   T10]      netlink_unicast+0x449/0x710
[ 4344.512429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.512429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.512429][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.512429][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.512429][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.512429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.512429][   T10] 
[ 4344.514260][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.514260][   T10]      dst_init+0x84/0x4a0
[ 4344.514260][   T10]      dst_alloc+0x97/0x150
[ 4344.514260][   T10]      ip6_dst_alloc+0x23/0x90
[ 4344.514260][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4344.514260][   T10]      ip6_pol_route+0x56f/0x840
[ 4344.514260][   T10]      fib6_rule_lookup+0x456/0x630
[ 4344.514260][   T10]      ip6_route_input+0x59c/0xa50
[ 4344.514260][   T10]      ipv6_rcv+0x397/0x810
[ 4344.514260][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4344.514260][   T10]      process_backlog+0x101/0x620
[ 4344.514260][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4344.514260][   T10]      net_rx_action+0x495/0xbe0
[ 4344.514260][   T10]      __do_softirq+0x1b5/0x7f6
[ 4344.514260][   T10] 
[ 4344.515824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.515824][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.515824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.515824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.515824][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4344.515824][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4344.515824][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4344.515824][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4344.515824][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4344.515824][   T10]      addrconf_dad_begin+0x310/0x670
[ 4344.515824][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4344.515824][   T10]      process_one_work+0x84d/0x18a0
[ 4344.515824][   T10]      worker_thread+0x587/0xd30
[ 4344.515824][   T10]      kthread+0x28a/0x350
[ 4344.515824][   T10]      ret_from_fork+0x31/0x70
[ 4344.515824][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4344.515824][   T10] 
[ 4344.517707][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.517707][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.517707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.517707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.517707][   T10]      ip6_route_add+0x1c/0x140
[ 4344.517707][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4344.517707][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4344.517707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.517707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.517707][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.517707][   T10]      netlink_unicast+0x449/0x710
[ 4344.517707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.517707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.517707][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.517707][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.517707][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.517707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.517707][   T10] 
[ 4344.519716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.519716][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.519716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.519716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.519716][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4344.519716][   T10]      ipv6_add_addr+0x411/0x2000
[ 4344.519716][   T10]      inet6_addr_add+0x30e/0xa40
[ 4344.519716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.519716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.519716][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.519716][   T10]      netlink_unicast+0x449/0x710
[ 4344.519716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.519716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.519716][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.519716][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.519716][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.519716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.519716][   T10] 
[ 4344.521748][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.521748][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.521748][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.521748][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.521748][   T10]      ip6_route_add+0x1c/0x140
[ 4344.521748][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4344.521748][   T10]      addrconf_add_dev+0xe2/0x170
[ 4344.521748][   T10]      inet6_addr_add+0x12f/0xa40
[ 4344.521748][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.521748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.521748][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.521748][   T10]      netlink_unicast+0x449/0x710
[ 4344.521748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.521748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.521748][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.521748][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.521748][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.521748][   T10] 
[ 4344.523927][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.523927][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4344.523927][   T10]      ipv6_find_idev+0x102/0x170
[ 4344.523927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4344.523927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.523927][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.523927][   T10]      netlink_unicast+0x449/0x710
[ 4344.523927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.523927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.523927][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.523927][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.523927][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.523927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.523927][   T10] 
[ 4344.525658][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4344.525658][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4344.525658][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4344.525658][   T10]      ipv6_find_idev+0x102/0x170
[ 4344.525658][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4344.525658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.525658][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.525658][   T10]      netlink_unicast+0x449/0x710
[ 4344.525658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.525658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.525658][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.525658][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.525658][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.525658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.525658][   T10] 
[ 4344.527614][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4344.527859][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4344.527859][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.527859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.527859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.527859][   T10]      ip6_route_add+0x1c/0x140
[ 4344.527859][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4344.527859][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4344.527859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.527859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.527859][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.527859][   T10]      netlink_unicast+0x449/0x710
[ 4344.527859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.527859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.527859][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.527859][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.527859][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.527859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.527859][   T10] 
[ 4344.530131][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4344.530131][   T10]      netdev_get_by_index+0x5e/0x80
[ 4344.530131][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4344.530131][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4344.530131][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4344.530131][   T10]      ipv6_add_addr+0x411/0x2000
[ 4344.530131][   T10]      inet6_addr_add+0x30e/0xa40
[ 4344.530131][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4344.530131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.530131][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.530131][   T10]      netlink_unicast+0x449/0x710
[ 4344.530131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.530131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.530131][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.530131][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.530131][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.530131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.530131][   T10] 
[ 4344.532386][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4344.532386][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4344.532386][   T10]      ipv6_find_idev+0x102/0x170
[ 4344.532386][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4344.532386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.532386][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.532386][   T10]      netlink_unicast+0x449/0x710
[ 4344.532386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.532386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.532386][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.532386][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.532386][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.532386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.532386][   T10] 
[ 4344.534111][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4344.534111][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4344.534111][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4344.534111][   T10]      ipv6_find_idev+0x102/0x170
[ 4344.534111][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4344.534111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4344.534111][   T10]      netlink_rcv_skb+0x130/0x360
[ 4344.534111][   T10]      netlink_unicast+0x449/0x710
[ 4344.534111][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4344.534111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4344.534111][   T10]      ___sys_sendmsg+0xee/0x170
[ 4344.534111][   T10]      __sys_sendmsg+0xcd/0x170
[ 4344.534111][   T10]      do_syscall_64+0xc6/0x1e0
[ 4344.534111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4344.534111][   T10] 
[ 4354.776676][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4354.777152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.777152][   T10]      dst_init+0x84/0x4a0
[ 4354.777152][   T10]      dst_alloc+0x97/0x150
[ 4354.777152][   T10]      ip6_dst_alloc+0x23/0x90
[ 4354.777152][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4354.777152][   T10]      ip6_pol_route+0x56f/0x840
[ 4354.777152][   T10]      fib6_rule_lookup+0x456/0x630
[ 4354.777152][   T10]      ip6_route_input+0x59c/0xa50
[ 4354.777152][   T10]      ipv6_rcv+0x397/0x810
[ 4354.777152][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4354.777152][   T10]      process_backlog+0x101/0x620
[ 4354.777152][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4354.777152][   T10]      net_rx_action+0x495/0xbe0
[ 4354.777152][   T10]      __do_softirq+0x1b5/0x7f6
[ 4354.777152][   T10] 
[ 4354.778891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.778891][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4354.778891][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4354.778891][   T10]      fib6_nh_init+0xa22/0x1580
[ 4354.778891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.778891][   T10]      ip6_route_add+0x1c/0x140
[ 4354.778891][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4354.778891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.778891][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.778891][   T10]      netlink_unicast+0x449/0x710
[ 4354.778891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.778891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.778891][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.778891][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.778891][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.778891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.778891][   T10] 
[ 4354.780838][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.780838][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.780838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.780838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.780838][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4354.780838][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4354.780838][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4354.780838][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4354.780838][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4354.780838][   T10]      addrconf_dad_begin+0x310/0x670
[ 4354.780838][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4354.780838][   T10]      process_one_work+0x84d/0x18a0
[ 4354.780838][   T10]      worker_thread+0x587/0xd30
[ 4354.780838][   T10]      kthread+0x28a/0x350
[ 4354.780838][   T10]      ret_from_fork+0x31/0x70
[ 4354.780838][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4354.780838][   T10] 
[ 4354.782828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.782828][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.782828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.782828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.782828][   T10]      ip6_route_add+0x1c/0x140
[ 4354.782828][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4354.782828][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4354.782828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.782828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.782828][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.782828][   T10]      netlink_unicast+0x449/0x710
[ 4354.782828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.782828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.782828][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.782828][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.782828][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.782828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.782828][   T10] 
[ 4354.784812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.784812][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.784812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.784812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.784812][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4354.784812][   T10]      ipv6_add_addr+0x411/0x2000
[ 4354.784812][   T10]      inet6_addr_add+0x30e/0xa40
[ 4354.784812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.784812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.784812][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.784812][   T10]      netlink_unicast+0x449/0x710
[ 4354.784812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.784812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.784812][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.784812][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.784812][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.784812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.784812][   T10] 
[ 4354.786870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.786870][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.786870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.786870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.786870][   T10]      ip6_route_add+0x1c/0x140
[ 4354.786870][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4354.786870][   T10]      addrconf_add_dev+0xe2/0x170
[ 4354.786870][   T10]      inet6_addr_add+0x12f/0xa40
[ 4354.786870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.786870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.786870][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.786870][   T10]      netlink_unicast+0x449/0x710
[ 4354.786870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.786870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.786870][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.786870][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.786870][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.786870][   T10] 
[ 4354.788821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.788821][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4354.788821][   T10]      ipv6_find_idev+0x102/0x170
[ 4354.788821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4354.788821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.788821][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.788821][   T10]      netlink_unicast+0x449/0x710
[ 4354.788821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.788821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.788821][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.788821][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.788821][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.788821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.788821][   T10] 
[ 4354.790392][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4354.790392][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4354.790392][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4354.790392][   T10]      ipv6_find_idev+0x102/0x170
[ 4354.790392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4354.790392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.790392][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.790392][   T10]      netlink_unicast+0x449/0x710
[ 4354.790392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.790392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.790392][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.790392][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.790392][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.790392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.790392][   T10] 
[ 4354.792158][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4354.792407][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.792407][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4354.792407][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4354.792407][   T10]      fib6_nh_init+0xa22/0x1580
[ 4354.792407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.792407][   T10]      ip6_route_add+0x1c/0x140
[ 4354.792407][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4354.792407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.792407][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.792407][   T10]      netlink_unicast+0x449/0x710
[ 4354.792407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.792407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.792407][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.792407][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.792407][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.792407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.792407][   T10] 
[ 4354.794322][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.794322][   T10]      dst_init+0x84/0x4a0
[ 4354.794322][   T10]      dst_alloc+0x97/0x150
[ 4354.794322][   T10]      ip6_dst_alloc+0x23/0x90
[ 4354.794322][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4354.794322][   T10]      ip6_pol_route+0x56f/0x840
[ 4354.794322][   T10]      fib6_rule_lookup+0x456/0x630
[ 4354.794322][   T10]      ip6_route_input+0x59c/0xa50
[ 4354.794322][   T10]      ipv6_rcv+0x397/0x810
[ 4354.794322][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4354.794322][   T10]      process_backlog+0x101/0x620
[ 4354.794322][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4354.794322][   T10]      net_rx_action+0x495/0xbe0
[ 4354.794322][   T10]      __do_softirq+0x1b5/0x7f6
[ 4354.794322][   T10] 
[ 4354.796006][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.796006][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.796006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.796006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.796006][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4354.796006][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4354.796006][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4354.796006][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4354.796006][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4354.796006][   T10]      addrconf_dad_begin+0x310/0x670
[ 4354.796006][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4354.796006][   T10]      process_one_work+0x84d/0x18a0
[ 4354.796006][   T10]      worker_thread+0x587/0xd30
[ 4354.796006][   T10]      kthread+0x28a/0x350
[ 4354.796006][   T10]      ret_from_fork+0x31/0x70
[ 4354.796006][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4354.796006][   T10] 
[ 4354.797947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.797947][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.797947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.797947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.797947][   T10]      ip6_route_add+0x1c/0x140
[ 4354.797947][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4354.797947][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4354.797947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.797947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.797947][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.797947][   T10]      netlink_unicast+0x449/0x710
[ 4354.797947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.797947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.797947][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.797947][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.797947][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.797947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.797947][   T10] 
[ 4354.799995][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.799995][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.799995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.799995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.799995][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4354.799995][   T10]      ipv6_add_addr+0x411/0x2000
[ 4354.799995][   T10]      inet6_addr_add+0x30e/0xa40
[ 4354.799995][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.799995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.799995][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.799995][   T10]      netlink_unicast+0x449/0x710
[ 4354.799995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.799995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.799995][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.799995][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.799995][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.799995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.799995][   T10] 
[ 4354.802016][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.802016][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.802016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.802016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.802016][   T10]      ip6_route_add+0x1c/0x140
[ 4354.802016][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4354.802016][   T10]      addrconf_add_dev+0xe2/0x170
[ 4354.802016][   T10]      inet6_addr_add+0x12f/0xa40
[ 4354.802016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.802016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.802016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.802016][   T10]      netlink_unicast+0x449/0x710
[ 4354.802016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.802016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.802016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.802016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.802016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.802016][   T10] 
[ 4354.804208][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.804208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4354.804208][   T10]      ipv6_find_idev+0x102/0x170
[ 4354.804208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4354.804208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.804208][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.804208][   T10]      netlink_unicast+0x449/0x710
[ 4354.804208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.804208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.804208][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.804208][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.804208][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.804208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.804208][   T10] 
[ 4354.806011][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4354.806011][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4354.806011][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4354.806011][   T10]      ipv6_find_idev+0x102/0x170
[ 4354.806011][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4354.806011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.806011][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.806011][   T10]      netlink_unicast+0x449/0x710
[ 4354.806011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.806011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.806011][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.806011][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.806011][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.806011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.806011][   T10] 
[ 4354.807941][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4354.808192][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4354.808192][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.808192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.808192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.808192][   T10]      ip6_route_add+0x1c/0x140
[ 4354.808192][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4354.808192][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4354.808192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.808192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.808192][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.808192][   T10]      netlink_unicast+0x449/0x710
[ 4354.808192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.808192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.808192][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.808192][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.808192][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.808192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.808192][   T10] 
[ 4354.810468][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4354.810468][   T10]      netdev_get_by_index+0x5e/0x80
[ 4354.810468][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4354.810468][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4354.810468][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4354.810468][   T10]      ipv6_add_addr+0x411/0x2000
[ 4354.810468][   T10]      inet6_addr_add+0x30e/0xa40
[ 4354.810468][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4354.810468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.810468][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.810468][   T10]      netlink_unicast+0x449/0x710
[ 4354.810468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.810468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.810468][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.810468][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.810468][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.810468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.810468][   T10] 
[ 4354.812759][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4354.812759][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4354.812759][   T10]      ipv6_find_idev+0x102/0x170
[ 4354.812759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4354.812759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.812759][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.812759][   T10]      netlink_unicast+0x449/0x710
[ 4354.812759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.812759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.812759][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.812759][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.812759][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.812759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.812759][   T10] 
[ 4354.814558][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4354.814558][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4354.814558][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4354.814558][   T10]      ipv6_find_idev+0x102/0x170
[ 4354.814558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4354.814558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4354.814558][   T10]      netlink_rcv_skb+0x130/0x360
[ 4354.814558][   T10]      netlink_unicast+0x449/0x710
[ 4354.814558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4354.814558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4354.814558][   T10]      ___sys_sendmsg+0xee/0x170
[ 4354.814558][   T10]      __sys_sendmsg+0xcd/0x170
[ 4354.814558][   T10]      do_syscall_64+0xc6/0x1e0
[ 4354.814558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4354.814558][   T10] 
[ 4365.056828][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4365.057778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.057778][   T10]      dst_init+0x84/0x4a0
[ 4365.057778][   T10]      dst_alloc+0x97/0x150
[ 4365.057778][   T10]      ip6_dst_alloc+0x23/0x90
[ 4365.057778][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4365.057778][   T10]      ip6_pol_route+0x56f/0x840
[ 4365.057778][   T10]      fib6_rule_lookup+0x456/0x630
[ 4365.057778][   T10]      ip6_route_input+0x59c/0xa50
[ 4365.057778][   T10]      ipv6_rcv+0x397/0x810
[ 4365.057778][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4365.057778][   T10]      process_backlog+0x101/0x620
[ 4365.057778][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4365.057778][   T10]      net_rx_action+0x495/0xbe0
[ 4365.057778][   T10]      __do_softirq+0x1b5/0x7f6
[ 4365.057778][   T10] 
[ 4365.059421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.059421][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4365.059421][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4365.059421][   T10]      fib6_nh_init+0xa22/0x1580
[ 4365.059421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.059421][   T10]      ip6_route_add+0x1c/0x140
[ 4365.059421][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4365.059421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.059421][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.059421][   T10]      netlink_unicast+0x449/0x710
[ 4365.059421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.059421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.059421][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.059421][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.059421][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.059421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.059421][   T10] 
[ 4365.061247][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.061247][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.061247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.061247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.061247][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4365.061247][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4365.061247][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4365.061247][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4365.061247][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4365.061247][   T10]      addrconf_dad_begin+0x310/0x670
[ 4365.061247][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4365.061247][   T10]      process_one_work+0x84d/0x18a0
[ 4365.061247][   T10]      worker_thread+0x587/0xd30
[ 4365.061247][   T10]      kthread+0x28a/0x350
[ 4365.061247][   T10]      ret_from_fork+0x31/0x70
[ 4365.061247][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4365.061247][   T10] 
[ 4365.063173][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.063173][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.063173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.063173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.063173][   T10]      ip6_route_add+0x1c/0x140
[ 4365.063173][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4365.063173][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4365.063173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.063173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.063173][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.063173][   T10]      netlink_unicast+0x449/0x710
[ 4365.063173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.063173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.063173][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.063173][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.063173][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.063173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.063173][   T10] 
[ 4365.065184][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.065184][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.065184][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.065184][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.065184][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4365.065184][   T10]      ipv6_add_addr+0x411/0x2000
[ 4365.065184][   T10]      inet6_addr_add+0x30e/0xa40
[ 4365.065184][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.065184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.065184][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.065184][   T10]      netlink_unicast+0x449/0x710
[ 4365.065184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.065184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.065184][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.065184][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.065184][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.065184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.065184][   T10] 
[ 4365.067220][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.067220][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.067220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.067220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.067220][   T10]      ip6_route_add+0x1c/0x140
[ 4365.067220][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4365.067220][   T10]      addrconf_add_dev+0xe2/0x170
[ 4365.067220][   T10]      inet6_addr_add+0x12f/0xa40
[ 4365.067220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.067220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.067220][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.067220][   T10]      netlink_unicast+0x449/0x710
[ 4365.067220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.067220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.067220][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.067220][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.067220][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.067220][   T10] 
[ 4365.069145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.069145][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4365.069145][   T10]      ipv6_find_idev+0x102/0x170
[ 4365.069145][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4365.069145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.069145][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.069145][   T10]      netlink_unicast+0x449/0x710
[ 4365.069145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.069145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.069145][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.069145][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.069145][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.069145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.069145][   T10] 
[ 4365.070664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4365.070664][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4365.070664][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4365.070664][   T10]      ipv6_find_idev+0x102/0x170
[ 4365.070664][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4365.070664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.070664][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.070664][   T10]      netlink_unicast+0x449/0x710
[ 4365.070664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.070664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.070664][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.070664][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.070664][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.070664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.070664][   T10] 
[ 4365.072387][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4365.072652][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.072652][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4365.072652][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4365.072652][   T10]      fib6_nh_init+0xa22/0x1580
[ 4365.072652][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.072652][   T10]      ip6_route_add+0x1c/0x140
[ 4365.072652][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4365.072652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.072652][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.072652][   T10]      netlink_unicast+0x449/0x710
[ 4365.072652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.072652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.072652][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.072652][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.072652][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.072652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.072652][   T10] 
[ 4365.074526][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.074526][   T10]      dst_init+0x84/0x4a0
[ 4365.074526][   T10]      dst_alloc+0x97/0x150
[ 4365.074526][   T10]      ip6_dst_alloc+0x23/0x90
[ 4365.074526][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4365.074526][   T10]      ip6_pol_route+0x56f/0x840
[ 4365.074526][   T10]      fib6_rule_lookup+0x456/0x630
[ 4365.074526][   T10]      ip6_route_input+0x59c/0xa50
[ 4365.074526][   T10]      ipv6_rcv+0x397/0x810
[ 4365.074526][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4365.074526][   T10]      process_backlog+0x101/0x620
[ 4365.074526][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4365.074526][   T10]      net_rx_action+0x495/0xbe0
[ 4365.074526][   T10]      __do_softirq+0x1b5/0x7f6
[ 4365.074526][   T10] 
[ 4365.076185][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.076185][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.076185][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.076185][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.076185][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4365.076185][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4365.076185][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4365.076185][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4365.076185][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4365.076185][   T10]      addrconf_dad_begin+0x310/0x670
[ 4365.076185][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4365.076185][   T10]      process_one_work+0x84d/0x18a0
[ 4365.076185][   T10]      worker_thread+0x587/0xd30
[ 4365.076185][   T10]      kthread+0x28a/0x350
[ 4365.076185][   T10]      ret_from_fork+0x31/0x70
[ 4365.076185][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4365.076185][   T10] 
[ 4365.078121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.078121][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.078121][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.078121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.078121][   T10]      ip6_route_add+0x1c/0x140
[ 4365.078121][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4365.078121][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4365.078121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.078121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.078121][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.078121][   T10]      netlink_unicast+0x449/0x710
[ 4365.078121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.078121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.078121][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.078121][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.078121][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.078121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.078121][   T10] 
[ 4365.080128][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.080128][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.080128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.080128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.080128][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4365.080128][   T10]      ipv6_add_addr+0x411/0x2000
[ 4365.080128][   T10]      inet6_addr_add+0x30e/0xa40
[ 4365.080128][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.080128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.080128][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.080128][   T10]      netlink_unicast+0x449/0x710
[ 4365.080128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.080128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.080128][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.080128][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.080128][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.080128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.080128][   T10] 
[ 4365.082180][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.082180][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.082180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.082180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.082180][   T10]      ip6_route_add+0x1c/0x140
[ 4365.082180][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4365.082180][   T10]      addrconf_add_dev+0xe2/0x170
[ 4365.082180][   T10]      inet6_addr_add+0x12f/0xa40
[ 4365.082180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.082180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.082180][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.082180][   T10]      netlink_unicast+0x449/0x710
[ 4365.082180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.082180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.082180][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.082180][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.082180][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.082180][   T10] 
[ 4365.084773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.084773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4365.084773][   T10]      ipv6_find_idev+0x102/0x170
[ 4365.084773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4365.084773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.084773][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.084773][   T10]      netlink_unicast+0x449/0x710
[ 4365.084773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.084773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.084773][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.084773][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.084773][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.084773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.084773][   T10] 
[ 4365.086456][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4365.086456][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4365.086456][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4365.086456][   T10]      ipv6_find_idev+0x102/0x170
[ 4365.086456][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4365.086456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.086456][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.086456][   T10]      netlink_unicast+0x449/0x710
[ 4365.086456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.086456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.086456][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.086456][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.086456][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.086456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.086456][   T10] 
[ 4365.088264][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4365.088508][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4365.088508][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.088508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.088508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.088508][   T10]      ip6_route_add+0x1c/0x140
[ 4365.088508][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4365.088508][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4365.088508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.088508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.088508][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.088508][   T10]      netlink_unicast+0x449/0x710
[ 4365.088508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.088508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.088508][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.088508][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.088508][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.088508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.088508][   T10] 
[ 4365.090730][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4365.090730][   T10]      netdev_get_by_index+0x5e/0x80
[ 4365.090730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4365.090730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4365.090730][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4365.090730][   T10]      ipv6_add_addr+0x411/0x2000
[ 4365.090730][   T10]      inet6_addr_add+0x30e/0xa40
[ 4365.090730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4365.090730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.090730][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.090730][   T10]      netlink_unicast+0x449/0x710
[ 4365.090730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.090730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.090730][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.090730][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.090730][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.090730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.090730][   T10] 
[ 4365.092984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4365.092984][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4365.092984][   T10]      ipv6_find_idev+0x102/0x170
[ 4365.092984][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4365.092984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.092984][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.092984][   T10]      netlink_unicast+0x449/0x710
[ 4365.092984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.092984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.092984][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.092984][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.092984][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.092984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.092984][   T10] 
[ 4365.094731][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4365.094731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4365.094731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4365.094731][   T10]      ipv6_find_idev+0x102/0x170
[ 4365.094731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4365.094731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4365.094731][   T10]      netlink_rcv_skb+0x130/0x360
[ 4365.094731][   T10]      netlink_unicast+0x449/0x710
[ 4365.094731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4365.094731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4365.094731][   T10]      ___sys_sendmsg+0xee/0x170
[ 4365.094731][   T10]      __sys_sendmsg+0xcd/0x170
[ 4365.094731][   T10]      do_syscall_64+0xc6/0x1e0
[ 4365.094731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4365.094731][   T10] 
[ 4375.336827][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4375.337627][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.337627][   T10]      dst_init+0x84/0x4a0
[ 4375.337627][   T10]      dst_alloc+0x97/0x150
[ 4375.337627][   T10]      ip6_dst_alloc+0x23/0x90
[ 4375.337627][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4375.337627][   T10]      ip6_pol_route+0x56f/0x840
[ 4375.337627][   T10]      fib6_rule_lookup+0x456/0x630
[ 4375.337627][   T10]      ip6_route_input+0x59c/0xa50
[ 4375.337627][   T10]      ipv6_rcv+0x397/0x810
[ 4375.337627][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4375.337627][   T10]      process_backlog+0x101/0x620
[ 4375.337627][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4375.337627][   T10]      net_rx_action+0x495/0xbe0
[ 4375.337627][   T10]      __do_softirq+0x1b5/0x7f6
[ 4375.337627][   T10] 
[ 4375.339285][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.339285][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4375.339285][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4375.339285][   T10]      fib6_nh_init+0xa22/0x1580
[ 4375.339285][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.339285][   T10]      ip6_route_add+0x1c/0x140
[ 4375.339285][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4375.339285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.339285][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.339285][   T10]      netlink_unicast+0x449/0x710
[ 4375.339285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.339285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.339285][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.339285][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.339285][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.339285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.339285][   T10] 
[ 4375.341104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.341104][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.341104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.341104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.341104][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4375.341104][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4375.341104][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4375.341104][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4375.341104][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4375.341104][   T10]      addrconf_dad_begin+0x310/0x670
[ 4375.341104][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4375.341104][   T10]      process_one_work+0x84d/0x18a0
[ 4375.341104][   T10]      worker_thread+0x587/0xd30
[ 4375.341104][   T10]      kthread+0x28a/0x350
[ 4375.341104][   T10]      ret_from_fork+0x31/0x70
[ 4375.341104][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4375.341104][   T10] 
[ 4375.342935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.342935][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.342935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.342935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.342935][   T10]      ip6_route_add+0x1c/0x140
[ 4375.342935][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4375.342935][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4375.342935][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.342935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.342935][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.342935][   T10]      netlink_unicast+0x449/0x710
[ 4375.342935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.342935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.342935][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.342935][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.342935][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.342935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.342935][   T10] 
[ 4375.344948][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.344948][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.344948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.344948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.344948][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4375.344948][   T10]      ipv6_add_addr+0x411/0x2000
[ 4375.344948][   T10]      inet6_addr_add+0x30e/0xa40
[ 4375.344948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.344948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.344948][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.344948][   T10]      netlink_unicast+0x449/0x710
[ 4375.344948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.344948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.344948][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.344948][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.344948][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.344948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.344948][   T10] 
[ 4375.346963][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.346963][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.346963][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.346963][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.346963][   T10]      ip6_route_add+0x1c/0x140
[ 4375.346963][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4375.346963][   T10]      addrconf_add_dev+0xe2/0x170
[ 4375.346963][   T10]      inet6_addr_add+0x12f/0xa40
[ 4375.346963][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.346963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.346963][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.346963][   T10]      netlink_unicast+0x449/0x710
[ 4375.346963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.346963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.346963][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.346963][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.346963][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.346963][   T10] 
[ 4375.348806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.348806][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4375.348806][   T10]      ipv6_find_idev+0x102/0x170
[ 4375.348806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4375.348806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.348806][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.348806][   T10]      netlink_unicast+0x449/0x710
[ 4375.348806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.348806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.348806][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.348806][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.348806][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.348806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.348806][   T10] 
[ 4375.350263][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4375.350263][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4375.350263][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4375.350263][   T10]      ipv6_find_idev+0x102/0x170
[ 4375.350263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4375.350263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.350263][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.350263][   T10]      netlink_unicast+0x449/0x710
[ 4375.350263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.350263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.350263][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.350263][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.350263][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.350263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.350263][   T10] 
[ 4375.351882][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4375.352129][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.352129][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4375.352129][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4375.352129][   T10]      fib6_nh_init+0xa22/0x1580
[ 4375.352129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.352129][   T10]      ip6_route_add+0x1c/0x140
[ 4375.352129][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4375.352129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.352129][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.352129][   T10]      netlink_unicast+0x449/0x710
[ 4375.352129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.352129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.352129][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.352129][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.352129][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.352129][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.352129][   T10] 
[ 4375.353949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.353949][   T10]      dst_init+0x84/0x4a0
[ 4375.353949][   T10]      dst_alloc+0x97/0x150
[ 4375.353949][   T10]      ip6_dst_alloc+0x23/0x90
[ 4375.353949][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4375.353949][   T10]      ip6_pol_route+0x56f/0x840
[ 4375.353949][   T10]      fib6_rule_lookup+0x456/0x630
[ 4375.353949][   T10]      ip6_route_input+0x59c/0xa50
[ 4375.353949][   T10]      ipv6_rcv+0x397/0x810
[ 4375.353949][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4375.353949][   T10]      process_backlog+0x101/0x620
[ 4375.353949][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4375.353949][   T10]      net_rx_action+0x495/0xbe0
[ 4375.353949][   T10]      __do_softirq+0x1b5/0x7f6
[ 4375.353949][   T10] 
[ 4375.355550][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.355550][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.355550][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.355550][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.355550][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4375.355550][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4375.355550][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4375.355550][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4375.355550][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4375.355550][   T10]      addrconf_dad_begin+0x310/0x670
[ 4375.355550][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4375.355550][   T10]      process_one_work+0x84d/0x18a0
[ 4375.355550][   T10]      worker_thread+0x587/0xd30
[ 4375.355550][   T10]      kthread+0x28a/0x350
[ 4375.355550][   T10]      ret_from_fork+0x31/0x70
[ 4375.355550][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4375.355550][   T10] 
[ 4375.357476][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.357476][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.357476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.357476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.357476][   T10]      ip6_route_add+0x1c/0x140
[ 4375.357476][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4375.357476][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4375.357476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.357476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.357476][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.357476][   T10]      netlink_unicast+0x449/0x710
[ 4375.357476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.357476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.357476][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.357476][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.357476][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.357476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.357476][   T10] 
[ 4375.359446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.359446][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.359446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.359446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.359446][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4375.359446][   T10]      ipv6_add_addr+0x411/0x2000
[ 4375.359446][   T10]      inet6_addr_add+0x30e/0xa40
[ 4375.359446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.359446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.359446][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.359446][   T10]      netlink_unicast+0x449/0x710
[ 4375.359446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.359446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.359446][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.359446][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.359446][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.359446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.359446][   T10] 
[ 4375.361460][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.361460][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.361460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.361460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.361460][   T10]      ip6_route_add+0x1c/0x140
[ 4375.361460][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4375.361460][   T10]      addrconf_add_dev+0xe2/0x170
[ 4375.361460][   T10]      inet6_addr_add+0x12f/0xa40
[ 4375.361460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.361460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.361460][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.361460][   T10]      netlink_unicast+0x449/0x710
[ 4375.361460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.361460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.361460][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.361460][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.361460][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.361460][   T10] 
[ 4375.363584][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.363584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4375.363584][   T10]      ipv6_find_idev+0x102/0x170
[ 4375.363584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4375.363584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.363584][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.363584][   T10]      netlink_unicast+0x449/0x710
[ 4375.363584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.363584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.363584][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.363584][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.363584][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.363584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.363584][   T10] 
[ 4375.365359][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4375.365359][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4375.365359][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4375.365359][   T10]      ipv6_find_idev+0x102/0x170
[ 4375.365359][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4375.365359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.365359][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.365359][   T10]      netlink_unicast+0x449/0x710
[ 4375.365359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.365359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.365359][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.365359][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.365359][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.365359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.365359][   T10] 
[ 4375.367250][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4375.367486][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4375.367486][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.367486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.367486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.367486][   T10]      ip6_route_add+0x1c/0x140
[ 4375.367486][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4375.367486][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4375.367486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.367486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.367486][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.367486][   T10]      netlink_unicast+0x449/0x710
[ 4375.367486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.367486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.367486][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.367486][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.367486][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.367486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.367486][   T10] 
[ 4375.369729][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4375.369729][   T10]      netdev_get_by_index+0x5e/0x80
[ 4375.369729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4375.369729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4375.369729][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4375.369729][   T10]      ipv6_add_addr+0x411/0x2000
[ 4375.369729][   T10]      inet6_addr_add+0x30e/0xa40
[ 4375.369729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4375.369729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.369729][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.369729][   T10]      netlink_unicast+0x449/0x710
[ 4375.369729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.369729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.369729][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.369729][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.369729][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.369729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.369729][   T10] 
[ 4375.371938][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4375.371938][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4375.371938][   T10]      ipv6_find_idev+0x102/0x170
[ 4375.371938][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4375.371938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.371938][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.371938][   T10]      netlink_unicast+0x449/0x710
[ 4375.371938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.371938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.371938][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.371938][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.371938][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.371938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.371938][   T10] 
[ 4375.373677][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4375.373677][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4375.373677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4375.373677][   T10]      ipv6_find_idev+0x102/0x170
[ 4375.373677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4375.373677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4375.373677][   T10]      netlink_rcv_skb+0x130/0x360
[ 4375.373677][   T10]      netlink_unicast+0x449/0x710
[ 4375.373677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4375.373677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4375.373677][   T10]      ___sys_sendmsg+0xee/0x170
[ 4375.373677][   T10]      __sys_sendmsg+0xcd/0x170
[ 4375.373677][   T10]      do_syscall_64+0xc6/0x1e0
[ 4375.373677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4375.373677][   T10] 
[ 4385.400682][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4385.401217][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.401217][   T10]      dst_init+0x84/0x4a0
[ 4385.401217][   T10]      dst_alloc+0x97/0x150
[ 4385.401217][   T10]      ip6_dst_alloc+0x23/0x90
[ 4385.401217][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4385.401217][   T10]      ip6_pol_route+0x56f/0x840
[ 4385.401217][   T10]      fib6_rule_lookup+0x456/0x630
[ 4385.401217][   T10]      ip6_route_input+0x59c/0xa50
[ 4385.401217][   T10]      ipv6_rcv+0x397/0x810
[ 4385.401217][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4385.401217][   T10]      process_backlog+0x101/0x620
[ 4385.401217][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4385.401217][   T10]      net_rx_action+0x495/0xbe0
[ 4385.401217][   T10]      __do_softirq+0x1b5/0x7f6
[ 4385.401217][   T10] 
[ 4385.403681][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.403681][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4385.403681][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4385.403681][   T10]      fib6_nh_init+0xa22/0x1580
[ 4385.403681][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.403681][   T10]      ip6_route_add+0x1c/0x140
[ 4385.403681][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4385.403681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.403681][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.403681][   T10]      netlink_unicast+0x449/0x710
[ 4385.403681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.403681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.403681][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.403681][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.403681][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.403681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.403681][   T10] 
[ 4385.406577][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.406577][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.406577][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.406577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.406577][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4385.406577][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4385.406577][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4385.406577][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4385.406577][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4385.406577][   T10]      addrconf_dad_begin+0x310/0x670
[ 4385.406577][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4385.406577][   T10]      process_one_work+0x84d/0x18a0
[ 4385.406577][   T10]      worker_thread+0x587/0xd30
[ 4385.406577][   T10]      kthread+0x28a/0x350
[ 4385.406577][   T10]      ret_from_fork+0x31/0x70
[ 4385.406577][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4385.406577][   T10] 
[ 4385.409572][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.409572][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.409572][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.409572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.409572][   T10]      ip6_route_add+0x1c/0x140
[ 4385.409572][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4385.409572][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4385.409572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.409572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.409572][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.409572][   T10]      netlink_unicast+0x449/0x710
[ 4385.409572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.409572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.409572][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.409572][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.409572][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.409572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.409572][   T10] 
[ 4385.412493][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.412493][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.412493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.412493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.412493][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4385.412493][   T10]      ipv6_add_addr+0x411/0x2000
[ 4385.412493][   T10]      inet6_addr_add+0x30e/0xa40
[ 4385.412493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.412493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.412493][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.412493][   T10]      netlink_unicast+0x449/0x710
[ 4385.412493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.412493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.412493][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.412493][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.412493][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.412493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.412493][   T10] 
[ 4385.415495][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.415495][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.415495][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.415495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.415495][   T10]      ip6_route_add+0x1c/0x140
[ 4385.415495][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4385.415495][   T10]      addrconf_add_dev+0xe2/0x170
[ 4385.415495][   T10]      inet6_addr_add+0x12f/0xa40
[ 4385.415495][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.415495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.415495][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.415495][   T10]      netlink_unicast+0x449/0x710
[ 4385.415495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.415495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.415495][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.415495][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.415495][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.415495][   T10] 
[ 4385.418483][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.418483][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4385.418483][   T10]      ipv6_find_idev+0x102/0x170
[ 4385.418483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4385.418483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.418483][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.418483][   T10]      netlink_unicast+0x449/0x710
[ 4385.418483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.418483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.418483][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.418483][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.418483][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.418483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.418483][   T10] 
[ 4385.420763][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4385.420763][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4385.420763][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4385.420763][   T10]      ipv6_find_idev+0x102/0x170
[ 4385.420763][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4385.420763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.420763][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.420763][   T10]      netlink_unicast+0x449/0x710
[ 4385.420763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.420763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.420763][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.420763][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.420763][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.420763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.420763][   T10] 
[ 4385.423387][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4385.423763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.423763][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4385.423763][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4385.423763][   T10]      fib6_nh_init+0xa22/0x1580
[ 4385.423763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.423763][   T10]      ip6_route_add+0x1c/0x140
[ 4385.423763][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4385.423763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.423763][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.423763][   T10]      netlink_unicast+0x449/0x710
[ 4385.423763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.423763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.423763][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.423763][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.423763][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.423763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.423763][   T10] 
[ 4385.426573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.426573][   T10]      dst_init+0x84/0x4a0
[ 4385.426573][   T10]      dst_alloc+0x97/0x150
[ 4385.426573][   T10]      ip6_dst_alloc+0x23/0x90
[ 4385.426573][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4385.426573][   T10]      ip6_pol_route+0x56f/0x840
[ 4385.426573][   T10]      fib6_rule_lookup+0x456/0x630
[ 4385.426573][   T10]      ip6_route_input+0x59c/0xa50
[ 4385.426573][   T10]      ipv6_rcv+0x397/0x810
[ 4385.426573][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4385.426573][   T10]      process_backlog+0x101/0x620
[ 4385.426573][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4385.426573][   T10]      net_rx_action+0x495/0xbe0
[ 4385.426573][   T10]      __do_softirq+0x1b5/0x7f6
[ 4385.426573][   T10] 
[ 4385.429081][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.429081][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.429081][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.429081][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.429081][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4385.429081][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4385.429081][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4385.429081][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4385.429081][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4385.429081][   T10]      addrconf_dad_begin+0x310/0x670
[ 4385.429081][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4385.429081][   T10]      process_one_work+0x84d/0x18a0
[ 4385.429081][   T10]      worker_thread+0x587/0xd30
[ 4385.429081][   T10]      kthread+0x28a/0x350
[ 4385.429081][   T10]      ret_from_fork+0x31/0x70
[ 4385.429081][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4385.429081][   T10] 
[ 4385.431894][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.431894][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.431894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.431894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.431894][   T10]      ip6_route_add+0x1c/0x140
[ 4385.431894][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4385.431894][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4385.431894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.431894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.431894][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.431894][   T10]      netlink_unicast+0x449/0x710
[ 4385.431894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.431894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.431894][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.431894][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.431894][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.431894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.431894][   T10] 
[ 4385.434827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.434827][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.434827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.434827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.434827][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4385.434827][   T10]      ipv6_add_addr+0x411/0x2000
[ 4385.434827][   T10]      inet6_addr_add+0x30e/0xa40
[ 4385.434827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.434827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.434827][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.434827][   T10]      netlink_unicast+0x449/0x710
[ 4385.434827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.434827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.434827][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.434827][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.434827][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.434827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.434827][   T10] 
[ 4385.437823][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.437823][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.437823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.437823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.437823][   T10]      ip6_route_add+0x1c/0x140
[ 4385.437823][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4385.437823][   T10]      addrconf_add_dev+0xe2/0x170
[ 4385.437823][   T10]      inet6_addr_add+0x12f/0xa40
[ 4385.437823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.437823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.437823][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.437823][   T10]      netlink_unicast+0x449/0x710
[ 4385.437823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.437823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.437823][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.437823][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.437823][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.437823][   T10] 
[ 4385.441159][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.441159][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4385.441159][   T10]      ipv6_find_idev+0x102/0x170
[ 4385.441159][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4385.441159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.441159][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.441159][   T10]      netlink_unicast+0x449/0x710
[ 4385.441159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.441159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.441159][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.441159][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.441159][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.441159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.441159][   T10] 
[ 4385.443844][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4385.443844][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4385.443844][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4385.443844][   T10]      ipv6_find_idev+0x102/0x170
[ 4385.443844][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4385.443844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.443844][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.443844][   T10]      netlink_unicast+0x449/0x710
[ 4385.443844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.443844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.443844][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.443844][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.443844][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.443844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.443844][   T10] 
[ 4385.446986][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4385.447359][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4385.447359][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.447359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.447359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.447359][   T10]      ip6_route_add+0x1c/0x140
[ 4385.447359][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4385.447359][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4385.447359][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.447359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.447359][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.447359][   T10]      netlink_unicast+0x449/0x710
[ 4385.447359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.447359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.447359][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.447359][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.447359][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.447359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.447359][   T10] 
[ 4385.450903][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4385.450903][   T10]      netdev_get_by_index+0x5e/0x80
[ 4385.450903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4385.450903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4385.450903][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4385.450903][   T10]      ipv6_add_addr+0x411/0x2000
[ 4385.450903][   T10]      inet6_addr_add+0x30e/0xa40
[ 4385.450903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4385.450903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.450903][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.450903][   T10]      netlink_unicast+0x449/0x710
[ 4385.450903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.450903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.450903][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.450903][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.450903][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.450903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.450903][   T10] 
[ 4385.454405][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4385.454405][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4385.454405][   T10]      ipv6_find_idev+0x102/0x170
[ 4385.454405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4385.454405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.454405][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.454405][   T10]      netlink_unicast+0x449/0x710
[ 4385.454405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.454405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.454405][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.454405][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.454405][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.454405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.454405][   T10] 
[ 4385.457055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4385.457055][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4385.457055][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4385.457055][   T10]      ipv6_find_idev+0x102/0x170
[ 4385.457055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4385.457055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4385.457055][   T10]      netlink_rcv_skb+0x130/0x360
[ 4385.457055][   T10]      netlink_unicast+0x449/0x710
[ 4385.457055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4385.457055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4385.457055][   T10]      ___sys_sendmsg+0xee/0x170
[ 4385.457055][   T10]      __sys_sendmsg+0xcd/0x170
[ 4385.457055][   T10]      do_syscall_64+0xc6/0x1e0
[ 4385.457055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4385.457055][   T10] 
[ 4395.464673][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4395.465132][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.465132][   T10]      dst_init+0x84/0x4a0
[ 4395.465132][   T10]      dst_alloc+0x97/0x150
[ 4395.465132][   T10]      ip6_dst_alloc+0x23/0x90
[ 4395.465132][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4395.465132][   T10]      ip6_pol_route+0x56f/0x840
[ 4395.465132][   T10]      fib6_rule_lookup+0x456/0x630
[ 4395.465132][   T10]      ip6_route_input+0x59c/0xa50
[ 4395.465132][   T10]      ipv6_rcv+0x397/0x810
[ 4395.465132][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4395.465132][   T10]      process_backlog+0x101/0x620
[ 4395.465132][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4395.465132][   T10]      net_rx_action+0x495/0xbe0
[ 4395.465132][   T10]      __do_softirq+0x1b5/0x7f6
[ 4395.465132][   T10] 
[ 4395.466807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.466807][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4395.466807][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4395.466807][   T10]      fib6_nh_init+0xa22/0x1580
[ 4395.466807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.466807][   T10]      ip6_route_add+0x1c/0x140
[ 4395.466807][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4395.466807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.466807][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.466807][   T10]      netlink_unicast+0x449/0x710
[ 4395.466807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.466807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.466807][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.466807][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.466807][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.466807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.466807][   T10] 
[ 4395.468688][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.468688][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.468688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.468688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.468688][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4395.468688][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4395.468688][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4395.468688][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4395.468688][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4395.468688][   T10]      addrconf_dad_begin+0x310/0x670
[ 4395.468688][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4395.468688][   T10]      process_one_work+0x84d/0x18a0
[ 4395.468688][   T10]      worker_thread+0x587/0xd30
[ 4395.468688][   T10]      kthread+0x28a/0x350
[ 4395.468688][   T10]      ret_from_fork+0x31/0x70
[ 4395.468688][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4395.468688][   T10] 
[ 4395.470592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.470592][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.470592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.470592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.470592][   T10]      ip6_route_add+0x1c/0x140
[ 4395.470592][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4395.470592][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4395.470592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.470592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.470592][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.470592][   T10]      netlink_unicast+0x449/0x710
[ 4395.470592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.470592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.470592][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.470592][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.470592][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.470592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.470592][   T10] 
[ 4395.472540][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.472540][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.472540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.472540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.472540][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4395.472540][   T10]      ipv6_add_addr+0x411/0x2000
[ 4395.472540][   T10]      inet6_addr_add+0x30e/0xa40
[ 4395.472540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.472540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.472540][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.472540][   T10]      netlink_unicast+0x449/0x710
[ 4395.472540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.472540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.472540][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.472540][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.472540][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.472540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.472540][   T10] 
[ 4395.474530][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.474530][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.474530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.474530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.474530][   T10]      ip6_route_add+0x1c/0x140
[ 4395.474530][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4395.474530][   T10]      addrconf_add_dev+0xe2/0x170
[ 4395.474530][   T10]      inet6_addr_add+0x12f/0xa40
[ 4395.474530][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.474530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.474530][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.474530][   T10]      netlink_unicast+0x449/0x710
[ 4395.474530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.474530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.474530][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.474530][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.474530][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.474530][   T10] 
[ 4395.476504][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.476504][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4395.476504][   T10]      ipv6_find_idev+0x102/0x170
[ 4395.476504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4395.476504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.476504][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.476504][   T10]      netlink_unicast+0x449/0x710
[ 4395.476504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.476504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.476504][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.476504][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.476504][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.476504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.476504][   T10] 
[ 4395.478057][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4395.478057][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4395.478057][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4395.478057][   T10]      ipv6_find_idev+0x102/0x170
[ 4395.478057][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4395.478057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.478057][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.478057][   T10]      netlink_unicast+0x449/0x710
[ 4395.478057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.478057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.478057][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.478057][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.478057][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.478057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.478057][   T10] 
[ 4395.479761][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4395.480004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.480004][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4395.480004][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4395.480004][   T10]      fib6_nh_init+0xa22/0x1580
[ 4395.480004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.480004][   T10]      ip6_route_add+0x1c/0x140
[ 4395.480004][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4395.480004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.480004][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.480004][   T10]      netlink_unicast+0x449/0x710
[ 4395.480004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.480004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.480004][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.480004][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.480004][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.480004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.480004][   T10] 
[ 4395.481878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.481878][   T10]      dst_init+0x84/0x4a0
[ 4395.481878][   T10]      dst_alloc+0x97/0x150
[ 4395.481878][   T10]      ip6_dst_alloc+0x23/0x90
[ 4395.481878][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4395.481878][   T10]      ip6_pol_route+0x56f/0x840
[ 4395.481878][   T10]      fib6_rule_lookup+0x456/0x630
[ 4395.481878][   T10]      ip6_route_input+0x59c/0xa50
[ 4395.481878][   T10]      ipv6_rcv+0x397/0x810
[ 4395.481878][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4395.481878][   T10]      process_backlog+0x101/0x620
[ 4395.481878][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4395.481878][   T10]      net_rx_action+0x495/0xbe0
[ 4395.481878][   T10]      __do_softirq+0x1b5/0x7f6
[ 4395.481878][   T10] 
[ 4395.483507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.483507][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.483507][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.483507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.483507][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4395.483507][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4395.483507][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4395.483507][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4395.483507][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4395.483507][   T10]      addrconf_dad_begin+0x310/0x670
[ 4395.483507][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4395.483507][   T10]      process_one_work+0x84d/0x18a0
[ 4395.483507][   T10]      worker_thread+0x587/0xd30
[ 4395.483507][   T10]      kthread+0x28a/0x350
[ 4395.483507][   T10]      ret_from_fork+0x31/0x70
[ 4395.483507][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4395.483507][   T10] 
[ 4395.485448][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.485448][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.485448][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.485448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.485448][   T10]      ip6_route_add+0x1c/0x140
[ 4395.485448][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4395.485448][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4395.485448][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.485448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.485448][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.485448][   T10]      netlink_unicast+0x449/0x710
[ 4395.485448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.485448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.485448][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.485448][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.485448][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.485448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.485448][   T10] 
[ 4395.487449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.487449][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.487449][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.487449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.487449][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4395.487449][   T10]      ipv6_add_addr+0x411/0x2000
[ 4395.487449][   T10]      inet6_addr_add+0x30e/0xa40
[ 4395.487449][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.487449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.487449][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.487449][   T10]      netlink_unicast+0x449/0x710
[ 4395.487449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.487449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.487449][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.487449][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.487449][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.487449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.487449][   T10] 
[ 4395.489452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.489452][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.489452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.489452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.489452][   T10]      ip6_route_add+0x1c/0x140
[ 4395.489452][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4395.489452][   T10]      addrconf_add_dev+0xe2/0x170
[ 4395.489452][   T10]      inet6_addr_add+0x12f/0xa40
[ 4395.489452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.489452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.489452][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.489452][   T10]      netlink_unicast+0x449/0x710
[ 4395.489452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.489452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.489452][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.489452][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.489452][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.489452][   T10] 
[ 4395.491535][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.491535][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4395.491535][   T10]      ipv6_find_idev+0x102/0x170
[ 4395.491535][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4395.491535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.491535][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.491535][   T10]      netlink_unicast+0x449/0x710
[ 4395.491535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.491535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.491535][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.491535][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.491535][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.491535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.491535][   T10] 
[ 4395.493312][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4395.493312][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4395.493312][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4395.493312][   T10]      ipv6_find_idev+0x102/0x170
[ 4395.493312][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4395.493312][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.493312][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.493312][   T10]      netlink_unicast+0x449/0x710
[ 4395.493312][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.493312][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.493312][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.493312][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.493312][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.493312][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.493312][   T10] 
[ 4395.495178][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4395.495501][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4395.495501][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.495501][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.495501][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.495501][   T10]      ip6_route_add+0x1c/0x140
[ 4395.495501][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4395.495501][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4395.495501][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.495501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.495501][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.495501][   T10]      netlink_unicast+0x449/0x710
[ 4395.495501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.495501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.495501][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.495501][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.495501][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.495501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.495501][   T10] 
[ 4395.497677][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4395.497677][   T10]      netdev_get_by_index+0x5e/0x80
[ 4395.497677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4395.497677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4395.497677][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4395.497677][   T10]      ipv6_add_addr+0x411/0x2000
[ 4395.497677][   T10]      inet6_addr_add+0x30e/0xa40
[ 4395.497677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4395.497677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.497677][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.497677][   T10]      netlink_unicast+0x449/0x710
[ 4395.497677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.497677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.497677][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.497677][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.497677][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.497677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.497677][   T10] 
[ 4395.499847][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4395.499847][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4395.499847][   T10]      ipv6_find_idev+0x102/0x170
[ 4395.499847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4395.499847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.499847][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.499847][   T10]      netlink_unicast+0x449/0x710
[ 4395.499847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.499847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.499847][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.499847][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.499847][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.499847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.499847][   T10] 
[ 4395.501565][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4395.501565][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4395.501565][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4395.501565][   T10]      ipv6_find_idev+0x102/0x170
[ 4395.501565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4395.501565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4395.501565][   T10]      netlink_rcv_skb+0x130/0x360
[ 4395.501565][   T10]      netlink_unicast+0x449/0x710
[ 4395.501565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4395.501565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4395.501565][   T10]      ___sys_sendmsg+0xee/0x170
[ 4395.501565][   T10]      __sys_sendmsg+0xcd/0x170
[ 4395.501565][   T10]      do_syscall_64+0xc6/0x1e0
[ 4395.501565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4395.501565][   T10] 
[ 4405.744786][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4405.745305][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.745305][   T10]      dst_init+0x84/0x4a0
[ 4405.745305][   T10]      dst_alloc+0x97/0x150
[ 4405.745305][   T10]      ip6_dst_alloc+0x23/0x90
[ 4405.745305][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4405.745305][   T10]      ip6_pol_route+0x56f/0x840
[ 4405.745305][   T10]      fib6_rule_lookup+0x456/0x630
[ 4405.745305][   T10]      ip6_route_input+0x59c/0xa50
[ 4405.745305][   T10]      ipv6_rcv+0x397/0x810
[ 4405.745305][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4405.745305][   T10]      process_backlog+0x101/0x620
[ 4405.745305][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4405.745305][   T10]      net_rx_action+0x495/0xbe0
[ 4405.745305][   T10]      __do_softirq+0x1b5/0x7f6
[ 4405.745305][   T10] 
[ 4405.747005][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.747005][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4405.747005][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4405.747005][   T10]      fib6_nh_init+0xa22/0x1580
[ 4405.747005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.747005][   T10]      ip6_route_add+0x1c/0x140
[ 4405.747005][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4405.747005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.747005][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.747005][   T10]      netlink_unicast+0x449/0x710
[ 4405.747005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.747005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.747005][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.747005][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.747005][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.747005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.747005][   T10] 
[ 4405.748907][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.748907][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.748907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.748907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.748907][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4405.748907][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4405.748907][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4405.748907][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4405.748907][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4405.748907][   T10]      addrconf_dad_begin+0x310/0x670
[ 4405.748907][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4405.748907][   T10]      process_one_work+0x84d/0x18a0
[ 4405.748907][   T10]      worker_thread+0x587/0xd30
[ 4405.748907][   T10]      kthread+0x28a/0x350
[ 4405.748907][   T10]      ret_from_fork+0x31/0x70
[ 4405.748907][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4405.748907][   T10] 
[ 4405.750820][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.750820][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.750820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.750820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.750820][   T10]      ip6_route_add+0x1c/0x140
[ 4405.750820][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4405.750820][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4405.750820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.750820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.750820][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.750820][   T10]      netlink_unicast+0x449/0x710
[ 4405.750820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.750820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.750820][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.750820][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.750820][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.750820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.750820][   T10] 
[ 4405.752852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.752852][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.752852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.752852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.752852][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4405.752852][   T10]      ipv6_add_addr+0x411/0x2000
[ 4405.752852][   T10]      inet6_addr_add+0x30e/0xa40
[ 4405.752852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.752852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.752852][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.752852][   T10]      netlink_unicast+0x449/0x710
[ 4405.752852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.752852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.752852][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.752852][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.752852][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.752852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.752852][   T10] 
[ 4405.754856][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.754856][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.754856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.754856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.754856][   T10]      ip6_route_add+0x1c/0x140
[ 4405.754856][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4405.754856][   T10]      addrconf_add_dev+0xe2/0x170
[ 4405.754856][   T10]      inet6_addr_add+0x12f/0xa40
[ 4405.754856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.754856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.754856][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.754856][   T10]      netlink_unicast+0x449/0x710
[ 4405.754856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.754856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.754856][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.754856][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.754856][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.754856][   T10] 
[ 4405.756842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.756842][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4405.756842][   T10]      ipv6_find_idev+0x102/0x170
[ 4405.756842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4405.756842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.756842][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.756842][   T10]      netlink_unicast+0x449/0x710
[ 4405.756842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.756842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.756842][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.756842][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.756842][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.756842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.756842][   T10] 
[ 4405.758385][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4405.758385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4405.758385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4405.758385][   T10]      ipv6_find_idev+0x102/0x170
[ 4405.758385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4405.758385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.758385][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.758385][   T10]      netlink_unicast+0x449/0x710
[ 4405.758385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.758385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.758385][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.758385][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.758385][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.758385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.758385][   T10] 
[ 4405.760087][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4405.760330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.760330][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4405.760330][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4405.760330][   T10]      fib6_nh_init+0xa22/0x1580
[ 4405.760330][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.760330][   T10]      ip6_route_add+0x1c/0x140
[ 4405.760330][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4405.760330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.760330][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.760330][   T10]      netlink_unicast+0x449/0x710
[ 4405.760330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.760330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.760330][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.760330][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.760330][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.760330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.760330][   T10] 
[ 4405.762215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.762215][   T10]      dst_init+0x84/0x4a0
[ 4405.762215][   T10]      dst_alloc+0x97/0x150
[ 4405.762215][   T10]      ip6_dst_alloc+0x23/0x90
[ 4405.762215][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4405.762215][   T10]      ip6_pol_route+0x56f/0x840
[ 4405.762215][   T10]      fib6_rule_lookup+0x456/0x630
[ 4405.762215][   T10]      ip6_route_input+0x59c/0xa50
[ 4405.762215][   T10]      ipv6_rcv+0x397/0x810
[ 4405.762215][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4405.762215][   T10]      process_backlog+0x101/0x620
[ 4405.762215][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4405.762215][   T10]      net_rx_action+0x495/0xbe0
[ 4405.762215][   T10]      __do_softirq+0x1b5/0x7f6
[ 4405.762215][   T10] 
[ 4405.763853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.763853][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.763853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.763853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.763853][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4405.763853][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4405.763853][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4405.763853][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4405.763853][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4405.763853][   T10]      addrconf_dad_begin+0x310/0x670
[ 4405.763853][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4405.763853][   T10]      process_one_work+0x84d/0x18a0
[ 4405.763853][   T10]      worker_thread+0x587/0xd30
[ 4405.763853][   T10]      kthread+0x28a/0x350
[ 4405.763853][   T10]      ret_from_fork+0x31/0x70
[ 4405.763853][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4405.763853][   T10] 
[ 4405.765775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.765775][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.765775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.765775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.765775][   T10]      ip6_route_add+0x1c/0x140
[ 4405.765775][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4405.765775][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4405.765775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.765775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.765775][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.765775][   T10]      netlink_unicast+0x449/0x710
[ 4405.765775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.765775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.765775][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.765775][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.765775][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.765775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.765775][   T10] 
[ 4405.767772][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.767772][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.767772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.767772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.767772][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4405.767772][   T10]      ipv6_add_addr+0x411/0x2000
[ 4405.767772][   T10]      inet6_addr_add+0x30e/0xa40
[ 4405.767772][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.767772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.767772][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.767772][   T10]      netlink_unicast+0x449/0x710
[ 4405.767772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.767772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.767772][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.767772][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.767772][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.767772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.767772][   T10] 
[ 4405.769781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.769781][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.769781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.769781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.769781][   T10]      ip6_route_add+0x1c/0x140
[ 4405.769781][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4405.769781][   T10]      addrconf_add_dev+0xe2/0x170
[ 4405.769781][   T10]      inet6_addr_add+0x12f/0xa40
[ 4405.769781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.769781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.769781][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.769781][   T10]      netlink_unicast+0x449/0x710
[ 4405.769781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.769781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.769781][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.769781][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.769781][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.769781][   T10] 
[ 4405.771868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.771868][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4405.771868][   T10]      ipv6_find_idev+0x102/0x170
[ 4405.771868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4405.771868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.771868][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.771868][   T10]      netlink_unicast+0x449/0x710
[ 4405.771868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.771868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.771868][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.771868][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.771868][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.771868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.771868][   T10] 
[ 4405.773586][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4405.773586][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4405.773586][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4405.773586][   T10]      ipv6_find_idev+0x102/0x170
[ 4405.773586][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4405.773586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.773586][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.773586][   T10]      netlink_unicast+0x449/0x710
[ 4405.773586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.773586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.773586][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.773586][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.773586][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.773586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.773586][   T10] 
[ 4405.775556][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4405.775882][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4405.775882][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.775882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.775882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.775882][   T10]      ip6_route_add+0x1c/0x140
[ 4405.775882][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4405.775882][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4405.775882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.775882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.775882][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.775882][   T10]      netlink_unicast+0x449/0x710
[ 4405.775882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.775882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.775882][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.775882][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.775882][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.775882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.775882][   T10] 
[ 4405.778077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4405.778077][   T10]      netdev_get_by_index+0x5e/0x80
[ 4405.778077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4405.778077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4405.778077][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4405.778077][   T10]      ipv6_add_addr+0x411/0x2000
[ 4405.778077][   T10]      inet6_addr_add+0x30e/0xa40
[ 4405.778077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4405.778077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.778077][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.778077][   T10]      netlink_unicast+0x449/0x710
[ 4405.778077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.778077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.778077][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.778077][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.778077][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.778077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.778077][   T10] 
[ 4405.780198][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4405.780198][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4405.780198][   T10]      ipv6_find_idev+0x102/0x170
[ 4405.780198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4405.780198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.780198][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.780198][   T10]      netlink_unicast+0x449/0x710
[ 4405.780198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.780198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.780198][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.780198][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.780198][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.780198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.780198][   T10] 
[ 4405.781921][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4405.781921][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4405.781921][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4405.781921][   T10]      ipv6_find_idev+0x102/0x170
[ 4405.781921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4405.781921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4405.781921][   T10]      netlink_rcv_skb+0x130/0x360
[ 4405.781921][   T10]      netlink_unicast+0x449/0x710
[ 4405.781921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4405.781921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4405.781921][   T10]      ___sys_sendmsg+0xee/0x170
[ 4405.781921][   T10]      __sys_sendmsg+0xcd/0x170
[ 4405.781921][   T10]      do_syscall_64+0xc6/0x1e0
[ 4405.781921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4405.781921][   T10] 
[ 4415.968722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4415.969194][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.969194][   T10]      dst_init+0x84/0x4a0
[ 4415.969194][   T10]      dst_alloc+0x97/0x150
[ 4415.969194][   T10]      ip6_dst_alloc+0x23/0x90
[ 4415.969194][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4415.969194][   T10]      ip6_pol_route+0x56f/0x840
[ 4415.969194][   T10]      fib6_rule_lookup+0x456/0x630
[ 4415.969194][   T10]      ip6_route_input+0x59c/0xa50
[ 4415.969194][   T10]      ipv6_rcv+0x397/0x810
[ 4415.969194][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4415.969194][   T10]      process_backlog+0x101/0x620
[ 4415.969194][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4415.969194][   T10]      net_rx_action+0x495/0xbe0
[ 4415.969194][   T10]      __do_softirq+0x1b5/0x7f6
[ 4415.969194][   T10] 
[ 4415.970887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.970887][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4415.970887][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4415.970887][   T10]      fib6_nh_init+0xa22/0x1580
[ 4415.970887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.970887][   T10]      ip6_route_add+0x1c/0x140
[ 4415.970887][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4415.970887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.970887][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.970887][   T10]      netlink_unicast+0x449/0x710
[ 4415.970887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.970887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.970887][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.970887][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.970887][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.970887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.970887][   T10] 
[ 4415.972812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.972812][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.972812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.972812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.972812][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4415.972812][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4415.972812][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4415.972812][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4415.972812][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4415.972812][   T10]      addrconf_dad_begin+0x310/0x670
[ 4415.972812][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4415.972812][   T10]      process_one_work+0x84d/0x18a0
[ 4415.972812][   T10]      worker_thread+0x587/0xd30
[ 4415.972812][   T10]      kthread+0x28a/0x350
[ 4415.972812][   T10]      ret_from_fork+0x31/0x70
[ 4415.972812][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4415.972812][   T10] 
[ 4415.974747][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.974747][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.974747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.974747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.974747][   T10]      ip6_route_add+0x1c/0x140
[ 4415.974747][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4415.974747][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4415.974747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4415.974747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.974747][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.974747][   T10]      netlink_unicast+0x449/0x710
[ 4415.974747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.974747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.974747][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.974747][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.974747][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.974747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.974747][   T10] 
[ 4415.976792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.976792][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.976792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.976792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.976792][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4415.976792][   T10]      ipv6_add_addr+0x411/0x2000
[ 4415.976792][   T10]      inet6_addr_add+0x30e/0xa40
[ 4415.976792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4415.976792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.976792][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.976792][   T10]      netlink_unicast+0x449/0x710
[ 4415.976792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.976792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.976792][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.976792][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.976792][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.976792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.976792][   T10] 
[ 4415.978808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.978808][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.978808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.978808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.978808][   T10]      ip6_route_add+0x1c/0x140
[ 4415.978808][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4415.978808][   T10]      addrconf_add_dev+0xe2/0x170
[ 4415.978808][   T10]      inet6_addr_add+0x12f/0xa40
[ 4415.978808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4415.978808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.978808][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.978808][   T10]      netlink_unicast+0x449/0x710
[ 4415.978808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.978808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.978808][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.978808][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.978808][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.978808][   T10] 
[ 4415.980734][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.980734][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4415.980734][   T10]      ipv6_find_idev+0x102/0x170
[ 4415.980734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4415.980734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.980734][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.980734][   T10]      netlink_unicast+0x449/0x710
[ 4415.980734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.980734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.980734][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.980734][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.980734][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.980734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.980734][   T10] 
[ 4415.982318][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4415.982318][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4415.982318][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4415.982318][   T10]      ipv6_find_idev+0x102/0x170
[ 4415.982318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4415.982318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.982318][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.982318][   T10]      netlink_unicast+0x449/0x710
[ 4415.982318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.982318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.982318][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.982318][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.982318][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.982318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.982318][   T10] 
[ 4415.984033][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4415.984296][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.984296][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4415.984296][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4415.984296][   T10]      fib6_nh_init+0xa22/0x1580
[ 4415.984296][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.984296][   T10]      ip6_route_add+0x1c/0x140
[ 4415.984296][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4415.984296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.984296][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.984296][   T10]      netlink_unicast+0x449/0x710
[ 4415.984296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.984296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.984296][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.984296][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.984296][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.984296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.984296][   T10] 
[ 4415.986215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.986215][   T10]      dst_init+0x84/0x4a0
[ 4415.986215][   T10]      dst_alloc+0x97/0x150
[ 4415.986215][   T10]      ip6_dst_alloc+0x23/0x90
[ 4415.986215][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4415.986215][   T10]      ip6_pol_route+0x56f/0x840
[ 4415.986215][   T10]      fib6_rule_lookup+0x456/0x630
[ 4415.986215][   T10]      ip6_route_input+0x59c/0xa50
[ 4415.986215][   T10]      ipv6_rcv+0x397/0x810
[ 4415.986215][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4415.986215][   T10]      process_backlog+0x101/0x620
[ 4415.986215][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4415.986215][   T10]      net_rx_action+0x495/0xbe0
[ 4415.986215][   T10]      __do_softirq+0x1b5/0x7f6
[ 4415.986215][   T10] 
[ 4415.987880][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.987880][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.987880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.987880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.987880][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4415.987880][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4415.987880][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4415.987880][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4415.987880][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4415.987880][   T10]      addrconf_dad_begin+0x310/0x670
[ 4415.987880][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4415.987880][   T10]      process_one_work+0x84d/0x18a0
[ 4415.987880][   T10]      worker_thread+0x587/0xd30
[ 4415.987880][   T10]      kthread+0x28a/0x350
[ 4415.987880][   T10]      ret_from_fork+0x31/0x70
[ 4415.987880][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4415.987880][   T10] 
[ 4415.989835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.989835][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.989835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.989835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.989835][   T10]      ip6_route_add+0x1c/0x140
[ 4415.989835][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4415.989835][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4415.989835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4415.989835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.989835][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.989835][   T10]      netlink_unicast+0x449/0x710
[ 4415.989835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.989835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.989835][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.989835][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.989835][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.989835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.989835][   T10] 
[ 4415.991868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.991868][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.991868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.991868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.991868][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4415.991868][   T10]      ipv6_add_addr+0x411/0x2000
[ 4415.991868][   T10]      inet6_addr_add+0x30e/0xa40
[ 4415.991868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4415.991868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.991868][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.991868][   T10]      netlink_unicast+0x449/0x710
[ 4415.991868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.991868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.991868][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.991868][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.991868][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.991868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.991868][   T10] 
[ 4415.993921][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.993921][   T10]      netdev_get_by_index+0x5e/0x80
[ 4415.993921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4415.993921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4415.993921][   T10]      ip6_route_add+0x1c/0x140
[ 4415.993921][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4415.993921][   T10]      addrconf_add_dev+0xe2/0x170
[ 4415.993921][   T10]      inet6_addr_add+0x12f/0xa40
[ 4415.993921][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4415.993921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.993921][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.993921][   T10]      netlink_unicast+0x449/0x710
[ 4415.993921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.993921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.993921][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.993921][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.993921][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.993921][   T10] 
[ 4415.996036][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.996036][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4415.996036][   T10]      ipv6_find_idev+0x102/0x170
[ 4415.996036][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4415.996036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.996036][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.996036][   T10]      netlink_unicast+0x449/0x710
[ 4415.996036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.996036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.996036][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.996036][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.996036][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.996036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.996036][   T10] 
[ 4415.997841][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4415.997841][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4415.997841][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4415.997841][   T10]      ipv6_find_idev+0x102/0x170
[ 4415.997841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4415.997841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4415.997841][   T10]      netlink_rcv_skb+0x130/0x360
[ 4415.997841][   T10]      netlink_unicast+0x449/0x710
[ 4415.997841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4415.997841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4415.997841][   T10]      ___sys_sendmsg+0xee/0x170
[ 4415.997841][   T10]      __sys_sendmsg+0xcd/0x170
[ 4415.997841][   T10]      do_syscall_64+0xc6/0x1e0
[ 4415.997841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4415.997841][   T10] 
[ 4415.999732][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4416.000070][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4416.000070][   T10]      netdev_get_by_index+0x5e/0x80
[ 4416.000070][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4416.000070][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4416.000070][   T10]      ip6_route_add+0x1c/0x140
[ 4416.000070][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4416.000070][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4416.000070][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4416.000070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4416.000070][   T10]      netlink_rcv_skb+0x130/0x360
[ 4416.000070][   T10]      netlink_unicast+0x449/0x710
[ 4416.000070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4416.000070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4416.000070][   T10]      ___sys_sendmsg+0xee/0x170
[ 4416.000070][   T10]      __sys_sendmsg+0xcd/0x170
[ 4416.000070][   T10]      do_syscall_64+0xc6/0x1e0
[ 4416.000070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4416.000070][   T10] 
[ 4416.002281][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4416.002281][   T10]      netdev_get_by_index+0x5e/0x80
[ 4416.002281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4416.002281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4416.002281][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4416.002281][   T10]      ipv6_add_addr+0x411/0x2000
[ 4416.002281][   T10]      inet6_addr_add+0x30e/0xa40
[ 4416.002281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4416.002281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4416.002281][   T10]      netlink_rcv_skb+0x130/0x360
[ 4416.002281][   T10]      netlink_unicast+0x449/0x710
[ 4416.002281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4416.002281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4416.002281][   T10]      ___sys_sendmsg+0xee/0x170
[ 4416.002281][   T10]      __sys_sendmsg+0xcd/0x170
[ 4416.002281][   T10]      do_syscall_64+0xc6/0x1e0
[ 4416.002281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4416.002281][   T10] 
[ 4416.004484][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4416.004484][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4416.004484][   T10]      ipv6_find_idev+0x102/0x170
[ 4416.004484][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4416.004484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4416.004484][   T10]      netlink_rcv_skb+0x130/0x360
[ 4416.004484][   T10]      netlink_unicast+0x449/0x710
[ 4416.004484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4416.004484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4416.004484][   T10]      ___sys_sendmsg+0xee/0x170
[ 4416.004484][   T10]      __sys_sendmsg+0xcd/0x170
[ 4416.004484][   T10]      do_syscall_64+0xc6/0x1e0
[ 4416.004484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4416.004484][   T10] 
[ 4416.006233][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4416.006233][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4416.006233][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4416.006233][   T10]      ipv6_find_idev+0x102/0x170
[ 4416.006233][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4416.006233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4416.006233][   T10]      netlink_rcv_skb+0x130/0x360
[ 4416.006233][   T10]      netlink_unicast+0x449/0x710
[ 4416.006233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4416.006233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4416.006233][   T10]      ___sys_sendmsg+0xee/0x170
[ 4416.006233][   T10]      __sys_sendmsg+0xcd/0x170
[ 4416.006233][   T10]      do_syscall_64+0xc6/0x1e0
[ 4416.006233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4416.006233][   T10] 
[ 4426.120790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4426.121803][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.121803][   T10]      dst_init+0x84/0x4a0
[ 4426.121803][   T10]      dst_alloc+0x97/0x150
[ 4426.121803][   T10]      ip6_dst_alloc+0x23/0x90
[ 4426.121803][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4426.121803][   T10]      ip6_pol_route+0x56f/0x840
[ 4426.121803][   T10]      fib6_rule_lookup+0x456/0x630
[ 4426.121803][   T10]      ip6_route_input+0x59c/0xa50
[ 4426.121803][   T10]      ipv6_rcv+0x397/0x810
[ 4426.121803][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4426.121803][   T10]      process_backlog+0x101/0x620
[ 4426.121803][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4426.121803][   T10]      net_rx_action+0x495/0xbe0
[ 4426.121803][   T10]      __do_softirq+0x1b5/0x7f6
[ 4426.121803][   T10] 
[ 4426.123470][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.123470][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4426.123470][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4426.123470][   T10]      fib6_nh_init+0xa22/0x1580
[ 4426.123470][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.123470][   T10]      ip6_route_add+0x1c/0x140
[ 4426.123470][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4426.123470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.123470][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.123470][   T10]      netlink_unicast+0x449/0x710
[ 4426.123470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.123470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.123470][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.123470][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.123470][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.123470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.123470][   T10] 
[ 4426.125433][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.125433][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.125433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.125433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.125433][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4426.125433][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4426.125433][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4426.125433][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4426.125433][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4426.125433][   T10]      addrconf_dad_begin+0x310/0x670
[ 4426.125433][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4426.125433][   T10]      process_one_work+0x84d/0x18a0
[ 4426.125433][   T10]      worker_thread+0x587/0xd30
[ 4426.125433][   T10]      kthread+0x28a/0x350
[ 4426.125433][   T10]      ret_from_fork+0x31/0x70
[ 4426.125433][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4426.125433][   T10] 
[ 4426.127419][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.127419][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.127419][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.127419][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.127419][   T10]      ip6_route_add+0x1c/0x140
[ 4426.127419][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4426.127419][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4426.127419][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.127419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.127419][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.127419][   T10]      netlink_unicast+0x449/0x710
[ 4426.127419][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.127419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.127419][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.127419][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.127419][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.127419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.127419][   T10] 
[ 4426.129477][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.129477][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.129477][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.129477][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.129477][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4426.129477][   T10]      ipv6_add_addr+0x411/0x2000
[ 4426.129477][   T10]      inet6_addr_add+0x30e/0xa40
[ 4426.129477][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.129477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.129477][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.129477][   T10]      netlink_unicast+0x449/0x710
[ 4426.129477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.129477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.129477][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.129477][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.129477][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.129477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.129477][   T10] 
[ 4426.131495][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.131495][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.131495][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.131495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.131495][   T10]      ip6_route_add+0x1c/0x140
[ 4426.131495][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4426.131495][   T10]      addrconf_add_dev+0xe2/0x170
[ 4426.131495][   T10]      inet6_addr_add+0x12f/0xa40
[ 4426.131495][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.131495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.131495][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.131495][   T10]      netlink_unicast+0x449/0x710
[ 4426.131495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.131495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.131495][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.131495][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.131495][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.131495][   T10] 
[ 4426.133483][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.133483][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4426.133483][   T10]      ipv6_find_idev+0x102/0x170
[ 4426.133483][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4426.133483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.133483][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.133483][   T10]      netlink_unicast+0x449/0x710
[ 4426.133483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.133483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.133483][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.133483][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.133483][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.133483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.133483][   T10] 
[ 4426.135042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4426.135042][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4426.135042][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4426.135042][   T10]      ipv6_find_idev+0x102/0x170
[ 4426.135042][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4426.135042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.135042][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.135042][   T10]      netlink_unicast+0x449/0x710
[ 4426.135042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.135042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.135042][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.135042][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.135042][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.135042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.135042][   T10] 
[ 4426.136913][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4426.137157][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.137157][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4426.137157][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4426.137157][   T10]      fib6_nh_init+0xa22/0x1580
[ 4426.137157][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.137157][   T10]      ip6_route_add+0x1c/0x140
[ 4426.137157][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4426.137157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.137157][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.137157][   T10]      netlink_unicast+0x449/0x710
[ 4426.137157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.137157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.137157][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.137157][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.137157][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.137157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.137157][   T10] 
[ 4426.139079][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.139079][   T10]      dst_init+0x84/0x4a0
[ 4426.139079][   T10]      dst_alloc+0x97/0x150
[ 4426.139079][   T10]      ip6_dst_alloc+0x23/0x90
[ 4426.139079][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4426.139079][   T10]      ip6_pol_route+0x56f/0x840
[ 4426.139079][   T10]      fib6_rule_lookup+0x456/0x630
[ 4426.139079][   T10]      ip6_route_input+0x59c/0xa50
[ 4426.139079][   T10]      ipv6_rcv+0x397/0x810
[ 4426.139079][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4426.139079][   T10]      process_backlog+0x101/0x620
[ 4426.139079][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4426.139079][   T10]      net_rx_action+0x495/0xbe0
[ 4426.139079][   T10]      __do_softirq+0x1b5/0x7f6
[ 4426.139079][   T10] 
[ 4426.140746][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.140746][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.140746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.140746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.140746][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4426.140746][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4426.140746][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4426.140746][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4426.140746][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4426.140746][   T10]      addrconf_dad_begin+0x310/0x670
[ 4426.140746][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4426.140746][   T10]      process_one_work+0x84d/0x18a0
[ 4426.140746][   T10]      worker_thread+0x587/0xd30
[ 4426.140746][   T10]      kthread+0x28a/0x350
[ 4426.140746][   T10]      ret_from_fork+0x31/0x70
[ 4426.140746][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4426.140746][   T10] 
[ 4426.142681][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.142681][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.142681][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.142681][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.142681][   T10]      ip6_route_add+0x1c/0x140
[ 4426.142681][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4426.142681][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4426.142681][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.142681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.142681][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.142681][   T10]      netlink_unicast+0x449/0x710
[ 4426.142681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.142681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.142681][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.142681][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.142681][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.142681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.142681][   T10] 
[ 4426.144711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.144711][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.144711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.144711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.144711][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4426.144711][   T10]      ipv6_add_addr+0x411/0x2000
[ 4426.144711][   T10]      inet6_addr_add+0x30e/0xa40
[ 4426.144711][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.144711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.144711][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.144711][   T10]      netlink_unicast+0x449/0x710
[ 4426.144711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.144711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.144711][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.144711][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.144711][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.144711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.144711][   T10] 
[ 4426.146743][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.146743][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.146743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.146743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.146743][   T10]      ip6_route_add+0x1c/0x140
[ 4426.146743][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4426.146743][   T10]      addrconf_add_dev+0xe2/0x170
[ 4426.146743][   T10]      inet6_addr_add+0x12f/0xa40
[ 4426.146743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.146743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.146743][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.146743][   T10]      netlink_unicast+0x449/0x710
[ 4426.146743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.146743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.146743][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.146743][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.146743][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.146743][   T10] 
[ 4426.148863][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.148863][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4426.148863][   T10]      ipv6_find_idev+0x102/0x170
[ 4426.148863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4426.148863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.148863][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.148863][   T10]      netlink_unicast+0x449/0x710
[ 4426.148863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.148863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.148863][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.148863][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.148863][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.148863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.148863][   T10] 
[ 4426.150625][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4426.150625][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4426.150625][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4426.150625][   T10]      ipv6_find_idev+0x102/0x170
[ 4426.150625][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4426.150625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.150625][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.150625][   T10]      netlink_unicast+0x449/0x710
[ 4426.150625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.150625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.150625][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.150625][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.150625][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.150625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.150625][   T10] 
[ 4426.152601][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4426.152916][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4426.152916][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.152916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.152916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.152916][   T10]      ip6_route_add+0x1c/0x140
[ 4426.152916][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4426.152916][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4426.152916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.152916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.152916][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.152916][   T10]      netlink_unicast+0x449/0x710
[ 4426.152916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.152916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.152916][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.152916][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.152916][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.152916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.152916][   T10] 
[ 4426.155160][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4426.155160][   T10]      netdev_get_by_index+0x5e/0x80
[ 4426.155160][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4426.155160][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4426.155160][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4426.155160][   T10]      ipv6_add_addr+0x411/0x2000
[ 4426.155160][   T10]      inet6_addr_add+0x30e/0xa40
[ 4426.155160][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4426.155160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.155160][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.155160][   T10]      netlink_unicast+0x449/0x710
[ 4426.155160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.155160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.155160][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.155160][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.155160][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.155160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.155160][   T10] 
[ 4426.157297][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4426.157297][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4426.157297][   T10]      ipv6_find_idev+0x102/0x170
[ 4426.157297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4426.157297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.157297][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.157297][   T10]      netlink_unicast+0x449/0x710
[ 4426.157297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.157297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.157297][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.157297][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.157297][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.157297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.157297][   T10] 
[ 4426.159054][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4426.159054][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4426.159054][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4426.159054][   T10]      ipv6_find_idev+0x102/0x170
[ 4426.159054][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4426.159054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4426.159054][   T10]      netlink_rcv_skb+0x130/0x360
[ 4426.159054][   T10]      netlink_unicast+0x449/0x710
[ 4426.159054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4426.159054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4426.159054][   T10]      ___sys_sendmsg+0xee/0x170
[ 4426.159054][   T10]      __sys_sendmsg+0xcd/0x170
[ 4426.159054][   T10]      do_syscall_64+0xc6/0x1e0
[ 4426.159054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4426.159054][   T10] 
[ 4436.400713][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4436.401192][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.401192][   T10]      dst_init+0x84/0x4a0
[ 4436.401192][   T10]      dst_alloc+0x97/0x150
[ 4436.401192][   T10]      ip6_dst_alloc+0x23/0x90
[ 4436.401192][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4436.401192][   T10]      ip6_pol_route+0x56f/0x840
[ 4436.401192][   T10]      fib6_rule_lookup+0x456/0x630
[ 4436.401192][   T10]      ip6_route_input+0x59c/0xa50
[ 4436.401192][   T10]      ipv6_rcv+0x397/0x810
[ 4436.401192][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4436.401192][   T10]      process_backlog+0x101/0x620
[ 4436.401192][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4436.401192][   T10]      net_rx_action+0x495/0xbe0
[ 4436.401192][   T10]      __do_softirq+0x1b5/0x7f6
[ 4436.401192][   T10] 
[ 4436.402891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.402891][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4436.402891][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4436.402891][   T10]      fib6_nh_init+0xa22/0x1580
[ 4436.402891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.402891][   T10]      ip6_route_add+0x1c/0x140
[ 4436.402891][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4436.402891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.402891][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.402891][   T10]      netlink_unicast+0x449/0x710
[ 4436.402891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.402891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.402891][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.402891][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.402891][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.402891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.402891][   T10] 
[ 4436.404807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.404807][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.404807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.404807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.404807][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4436.404807][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4436.404807][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4436.404807][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4436.404807][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4436.404807][   T10]      addrconf_dad_begin+0x310/0x670
[ 4436.404807][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4436.404807][   T10]      process_one_work+0x84d/0x18a0
[ 4436.404807][   T10]      worker_thread+0x587/0xd30
[ 4436.404807][   T10]      kthread+0x28a/0x350
[ 4436.404807][   T10]      ret_from_fork+0x31/0x70
[ 4436.404807][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4436.404807][   T10] 
[ 4436.406759][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.406759][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.406759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.406759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.406759][   T10]      ip6_route_add+0x1c/0x140
[ 4436.406759][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4436.406759][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4436.406759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.406759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.406759][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.406759][   T10]      netlink_unicast+0x449/0x710
[ 4436.406759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.406759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.406759][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.406759][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.406759][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.406759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.406759][   T10] 
[ 4436.408780][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.408780][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.408780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.408780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.408780][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4436.408780][   T10]      ipv6_add_addr+0x411/0x2000
[ 4436.408780][   T10]      inet6_addr_add+0x30e/0xa40
[ 4436.408780][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.408780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.408780][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.408780][   T10]      netlink_unicast+0x449/0x710
[ 4436.408780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.408780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.408780][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.408780][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.408780][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.408780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.408780][   T10] 
[ 4436.410815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.410815][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.410815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.410815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.410815][   T10]      ip6_route_add+0x1c/0x140
[ 4436.410815][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4436.410815][   T10]      addrconf_add_dev+0xe2/0x170
[ 4436.410815][   T10]      inet6_addr_add+0x12f/0xa40
[ 4436.410815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.410815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.410815][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.410815][   T10]      netlink_unicast+0x449/0x710
[ 4436.410815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.410815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.410815][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.410815][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.410815][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.410815][   T10] 
[ 4436.412798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.412798][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4436.412798][   T10]      ipv6_find_idev+0x102/0x170
[ 4436.412798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4436.412798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.412798][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.412798][   T10]      netlink_unicast+0x449/0x710
[ 4436.412798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.412798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.412798][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.412798][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.412798][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.412798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.412798][   T10] 
[ 4436.414352][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4436.414352][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4436.414352][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4436.414352][   T10]      ipv6_find_idev+0x102/0x170
[ 4436.414352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4436.414352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.414352][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.414352][   T10]      netlink_unicast+0x449/0x710
[ 4436.414352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.414352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.414352][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.414352][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.414352][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.414352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.414352][   T10] 
[ 4436.416093][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4436.416344][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.416344][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4436.416344][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4436.416344][   T10]      fib6_nh_init+0xa22/0x1580
[ 4436.416344][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.416344][   T10]      ip6_route_add+0x1c/0x140
[ 4436.416344][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4436.416344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.416344][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.416344][   T10]      netlink_unicast+0x449/0x710
[ 4436.416344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.416344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.416344][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.416344][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.416344][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.416344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.416344][   T10] 
[ 4436.418273][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.418273][   T10]      dst_init+0x84/0x4a0
[ 4436.418273][   T10]      dst_alloc+0x97/0x150
[ 4436.418273][   T10]      ip6_dst_alloc+0x23/0x90
[ 4436.418273][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4436.418273][   T10]      ip6_pol_route+0x56f/0x840
[ 4436.418273][   T10]      fib6_rule_lookup+0x456/0x630
[ 4436.418273][   T10]      ip6_route_input+0x59c/0xa50
[ 4436.418273][   T10]      ipv6_rcv+0x397/0x810
[ 4436.418273][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4436.418273][   T10]      process_backlog+0x101/0x620
[ 4436.418273][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4436.418273][   T10]      net_rx_action+0x495/0xbe0
[ 4436.418273][   T10]      __do_softirq+0x1b5/0x7f6
[ 4436.418273][   T10] 
[ 4436.419933][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.419933][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.419933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.419933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.419933][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4436.419933][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4436.419933][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4436.419933][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4436.419933][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4436.419933][   T10]      addrconf_dad_begin+0x310/0x670
[ 4436.419933][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4436.419933][   T10]      process_one_work+0x84d/0x18a0
[ 4436.419933][   T10]      worker_thread+0x587/0xd30
[ 4436.419933][   T10]      kthread+0x28a/0x350
[ 4436.419933][   T10]      ret_from_fork+0x31/0x70
[ 4436.419933][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4436.419933][   T10] 
[ 4436.421877][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.421877][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.421877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.421877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.421877][   T10]      ip6_route_add+0x1c/0x140
[ 4436.421877][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4436.421877][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4436.421877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.421877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.421877][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.421877][   T10]      netlink_unicast+0x449/0x710
[ 4436.421877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.421877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.421877][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.421877][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.421877][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.421877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.421877][   T10] 
[ 4436.423914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.423914][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.423914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.423914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.423914][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4436.423914][   T10]      ipv6_add_addr+0x411/0x2000
[ 4436.423914][   T10]      inet6_addr_add+0x30e/0xa40
[ 4436.423914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.423914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.423914][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.423914][   T10]      netlink_unicast+0x449/0x710
[ 4436.423914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.423914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.423914][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.423914][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.423914][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.423914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.423914][   T10] 
[ 4436.425953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.425953][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.425953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.425953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.425953][   T10]      ip6_route_add+0x1c/0x140
[ 4436.425953][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4436.425953][   T10]      addrconf_add_dev+0xe2/0x170
[ 4436.425953][   T10]      inet6_addr_add+0x12f/0xa40
[ 4436.425953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.425953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.425953][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.425953][   T10]      netlink_unicast+0x449/0x710
[ 4436.425953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.425953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.425953][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.425953][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.425953][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.425953][   T10] 
[ 4436.428075][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.428075][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4436.428075][   T10]      ipv6_find_idev+0x102/0x170
[ 4436.428075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4436.428075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.428075][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.428075][   T10]      netlink_unicast+0x449/0x710
[ 4436.428075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.428075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.428075][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.428075][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.428075][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.428075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.428075][   T10] 
[ 4436.429880][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4436.429880][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4436.429880][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4436.429880][   T10]      ipv6_find_idev+0x102/0x170
[ 4436.429880][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4436.429880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.429880][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.429880][   T10]      netlink_unicast+0x449/0x710
[ 4436.429880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.429880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.429880][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.429880][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.429880][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.429880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.429880][   T10] 
[ 4436.431791][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4436.432096][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4436.432096][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.432096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.432096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.432096][   T10]      ip6_route_add+0x1c/0x140
[ 4436.432096][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4436.432096][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4436.432096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.432096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.432096][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.432096][   T10]      netlink_unicast+0x449/0x710
[ 4436.432096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.432096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.432096][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.432096][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.432096][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.432096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.432096][   T10] 
[ 4436.434378][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4436.434378][   T10]      netdev_get_by_index+0x5e/0x80
[ 4436.434378][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4436.434378][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4436.434378][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4436.434378][   T10]      ipv6_add_addr+0x411/0x2000
[ 4436.434378][   T10]      inet6_addr_add+0x30e/0xa40
[ 4436.434378][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4436.434378][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.434378][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.434378][   T10]      netlink_unicast+0x449/0x710
[ 4436.434378][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.434378][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.434378][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.434378][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.434378][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.434378][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.434378][   T10] 
[ 4436.436592][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4436.436592][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4436.436592][   T10]      ipv6_find_idev+0x102/0x170
[ 4436.436592][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4436.436592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.436592][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.436592][   T10]      netlink_unicast+0x449/0x710
[ 4436.436592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.436592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.436592][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.436592][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.436592][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.436592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.436592][   T10] 
[ 4436.438340][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4436.438340][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4436.438340][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4436.438340][   T10]      ipv6_find_idev+0x102/0x170
[ 4436.438340][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4436.438340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4436.438340][   T10]      netlink_rcv_skb+0x130/0x360
[ 4436.438340][   T10]      netlink_unicast+0x449/0x710
[ 4436.438340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4436.438340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4436.438340][   T10]      ___sys_sendmsg+0xee/0x170
[ 4436.438340][   T10]      __sys_sendmsg+0xcd/0x170
[ 4436.438340][   T10]      do_syscall_64+0xc6/0x1e0
[ 4436.438340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4436.438340][   T10] 
[ 4446.680715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4446.681190][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.681190][   T10]      dst_init+0x84/0x4a0
[ 4446.681190][   T10]      dst_alloc+0x97/0x150
[ 4446.681190][   T10]      ip6_dst_alloc+0x23/0x90
[ 4446.681190][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4446.681190][   T10]      ip6_pol_route+0x56f/0x840
[ 4446.681190][   T10]      fib6_rule_lookup+0x456/0x630
[ 4446.681190][   T10]      ip6_route_input+0x59c/0xa50
[ 4446.681190][   T10]      ipv6_rcv+0x397/0x810
[ 4446.681190][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4446.681190][   T10]      process_backlog+0x101/0x620
[ 4446.681190][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4446.681190][   T10]      net_rx_action+0x495/0xbe0
[ 4446.681190][   T10]      __do_softirq+0x1b5/0x7f6
[ 4446.681190][   T10] 
[ 4446.682922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.682922][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4446.682922][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4446.682922][   T10]      fib6_nh_init+0xa22/0x1580
[ 4446.682922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.682922][   T10]      ip6_route_add+0x1c/0x140
[ 4446.682922][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4446.682922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.682922][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.682922][   T10]      netlink_unicast+0x449/0x710
[ 4446.682922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.682922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.682922][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.682922][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.682922][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.682922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.682922][   T10] 
[ 4446.684893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.684893][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.684893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.684893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.684893][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4446.684893][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4446.684893][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4446.684893][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4446.684893][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4446.684893][   T10]      addrconf_dad_begin+0x310/0x670
[ 4446.684893][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4446.684893][   T10]      process_one_work+0x84d/0x18a0
[ 4446.684893][   T10]      worker_thread+0x587/0xd30
[ 4446.684893][   T10]      kthread+0x28a/0x350
[ 4446.684893][   T10]      ret_from_fork+0x31/0x70
[ 4446.684893][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4446.684893][   T10] 
[ 4446.686850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.686850][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.686850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.686850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.686850][   T10]      ip6_route_add+0x1c/0x140
[ 4446.686850][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4446.686850][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4446.686850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.686850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.686850][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.686850][   T10]      netlink_unicast+0x449/0x710
[ 4446.686850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.686850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.686850][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.686850][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.686850][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.686850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.686850][   T10] 
[ 4446.688910][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.688910][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.688910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.688910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.688910][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4446.688910][   T10]      ipv6_add_addr+0x411/0x2000
[ 4446.688910][   T10]      inet6_addr_add+0x30e/0xa40
[ 4446.688910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.688910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.688910][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.688910][   T10]      netlink_unicast+0x449/0x710
[ 4446.688910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.688910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.688910][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.688910][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.688910][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.688910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.688910][   T10] 
[ 4446.690935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.690935][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.690935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.690935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.690935][   T10]      ip6_route_add+0x1c/0x140
[ 4446.690935][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4446.690935][   T10]      addrconf_add_dev+0xe2/0x170
[ 4446.690935][   T10]      inet6_addr_add+0x12f/0xa40
[ 4446.690935][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.690935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.690935][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.690935][   T10]      netlink_unicast+0x449/0x710
[ 4446.690935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.690935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.690935][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.690935][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.690935][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.690935][   T10] 
[ 4446.692994][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.692994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4446.692994][   T10]      ipv6_find_idev+0x102/0x170
[ 4446.692994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4446.692994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.692994][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.692994][   T10]      netlink_unicast+0x449/0x710
[ 4446.692994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.692994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.692994][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.692994][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.692994][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.692994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.692994][   T10] 
[ 4446.694557][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4446.694557][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4446.694557][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4446.694557][   T10]      ipv6_find_idev+0x102/0x170
[ 4446.694557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4446.694557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.694557][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.694557][   T10]      netlink_unicast+0x449/0x710
[ 4446.694557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.694557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.694557][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.694557][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.694557][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.694557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.694557][   T10] 
[ 4446.696314][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4446.696557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.696557][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4446.696557][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4446.696557][   T10]      fib6_nh_init+0xa22/0x1580
[ 4446.696557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.696557][   T10]      ip6_route_add+0x1c/0x140
[ 4446.696557][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4446.696557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.696557][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.696557][   T10]      netlink_unicast+0x449/0x710
[ 4446.696557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.696557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.696557][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.696557][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.696557][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.696557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.696557][   T10] 
[ 4446.698476][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.698476][   T10]      dst_init+0x84/0x4a0
[ 4446.698476][   T10]      dst_alloc+0x97/0x150
[ 4446.698476][   T10]      ip6_dst_alloc+0x23/0x90
[ 4446.698476][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4446.698476][   T10]      ip6_pol_route+0x56f/0x840
[ 4446.698476][   T10]      fib6_rule_lookup+0x456/0x630
[ 4446.698476][   T10]      ip6_route_input+0x59c/0xa50
[ 4446.698476][   T10]      ipv6_rcv+0x397/0x810
[ 4446.698476][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4446.698476][   T10]      process_backlog+0x101/0x620
[ 4446.698476][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4446.698476][   T10]      net_rx_action+0x495/0xbe0
[ 4446.698476][   T10]      __do_softirq+0x1b5/0x7f6
[ 4446.698476][   T10] 
[ 4446.700132][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.700132][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.700132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.700132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.700132][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4446.700132][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4446.700132][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4446.700132][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4446.700132][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4446.700132][   T10]      addrconf_dad_begin+0x310/0x670
[ 4446.700132][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4446.700132][   T10]      process_one_work+0x84d/0x18a0
[ 4446.700132][   T10]      worker_thread+0x587/0xd30
[ 4446.700132][   T10]      kthread+0x28a/0x350
[ 4446.700132][   T10]      ret_from_fork+0x31/0x70
[ 4446.700132][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4446.700132][   T10] 
[ 4446.702069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.702069][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.702069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.702069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.702069][   T10]      ip6_route_add+0x1c/0x140
[ 4446.702069][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4446.702069][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4446.702069][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.702069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.702069][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.702069][   T10]      netlink_unicast+0x449/0x710
[ 4446.702069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.702069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.702069][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.702069][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.702069][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.702069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.702069][   T10] 
[ 4446.704099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.704099][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.704099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.704099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.704099][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4446.704099][   T10]      ipv6_add_addr+0x411/0x2000
[ 4446.704099][   T10]      inet6_addr_add+0x30e/0xa40
[ 4446.704099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.704099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.704099][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.704099][   T10]      netlink_unicast+0x449/0x710
[ 4446.704099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.704099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.704099][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.704099][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.704099][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.704099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.704099][   T10] 
[ 4446.706142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.706142][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.706142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.706142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.706142][   T10]      ip6_route_add+0x1c/0x140
[ 4446.706142][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4446.706142][   T10]      addrconf_add_dev+0xe2/0x170
[ 4446.706142][   T10]      inet6_addr_add+0x12f/0xa40
[ 4446.706142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.706142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.706142][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.706142][   T10]      netlink_unicast+0x449/0x710
[ 4446.706142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.706142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.706142][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.706142][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.706142][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.706142][   T10] 
[ 4446.708278][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.708278][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4446.708278][   T10]      ipv6_find_idev+0x102/0x170
[ 4446.708278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4446.708278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.708278][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.708278][   T10]      netlink_unicast+0x449/0x710
[ 4446.708278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.708278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.708278][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.708278][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.708278][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.708278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.708278][   T10] 
[ 4446.710020][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4446.710020][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4446.710020][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4446.710020][   T10]      ipv6_find_idev+0x102/0x170
[ 4446.710020][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4446.710020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.710020][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.710020][   T10]      netlink_unicast+0x449/0x710
[ 4446.710020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.710020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.710020][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.710020][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.710020][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.710020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.710020][   T10] 
[ 4446.711990][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4446.712331][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4446.712331][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.712331][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.712331][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.712331][   T10]      ip6_route_add+0x1c/0x140
[ 4446.712331][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4446.712331][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4446.712331][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.712331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.712331][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.712331][   T10]      netlink_unicast+0x449/0x710
[ 4446.712331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.712331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.712331][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.712331][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.712331][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.712331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.712331][   T10] 
[ 4446.714551][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4446.714551][   T10]      netdev_get_by_index+0x5e/0x80
[ 4446.714551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4446.714551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4446.714551][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4446.714551][   T10]      ipv6_add_addr+0x411/0x2000
[ 4446.714551][   T10]      inet6_addr_add+0x30e/0xa40
[ 4446.714551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4446.714551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.714551][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.714551][   T10]      netlink_unicast+0x449/0x710
[ 4446.714551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.714551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.714551][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.714551][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.714551][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.714551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.714551][   T10] 
[ 4446.716771][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4446.716771][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4446.716771][   T10]      ipv6_find_idev+0x102/0x170
[ 4446.716771][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4446.716771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.716771][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.716771][   T10]      netlink_unicast+0x449/0x710
[ 4446.716771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.716771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.716771][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.716771][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.716771][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.716771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.716771][   T10] 
[ 4446.718511][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4446.718511][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4446.718511][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4446.718511][   T10]      ipv6_find_idev+0x102/0x170
[ 4446.718511][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4446.718511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4446.718511][   T10]      netlink_rcv_skb+0x130/0x360
[ 4446.718511][   T10]      netlink_unicast+0x449/0x710
[ 4446.718511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4446.718511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4446.718511][   T10]      ___sys_sendmsg+0xee/0x170
[ 4446.718511][   T10]      __sys_sendmsg+0xcd/0x170
[ 4446.718511][   T10]      do_syscall_64+0xc6/0x1e0
[ 4446.718511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4446.718511][   T10] 
[ 4456.960726][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4456.961125][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.961125][   T10]      dst_init+0x84/0x4a0
[ 4456.961125][   T10]      dst_alloc+0x97/0x150
[ 4456.961125][   T10]      ip6_dst_alloc+0x23/0x90
[ 4456.961125][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4456.961125][   T10]      ip6_pol_route+0x56f/0x840
[ 4456.961125][   T10]      fib6_rule_lookup+0x456/0x630
[ 4456.961125][   T10]      ip6_route_input+0x59c/0xa50
[ 4456.961125][   T10]      ipv6_rcv+0x397/0x810
[ 4456.961125][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4456.961125][   T10]      process_backlog+0x101/0x620
[ 4456.961125][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4456.961125][   T10]      net_rx_action+0x495/0xbe0
[ 4456.961125][   T10]      __do_softirq+0x1b5/0x7f6
[ 4456.961125][   T10] 
[ 4456.962824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.962824][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4456.962824][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4456.962824][   T10]      fib6_nh_init+0xa22/0x1580
[ 4456.962824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.962824][   T10]      ip6_route_add+0x1c/0x140
[ 4456.962824][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4456.962824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.962824][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.962824][   T10]      netlink_unicast+0x449/0x710
[ 4456.962824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.962824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.962824][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.962824][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.962824][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.962824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.962824][   T10] 
[ 4456.964734][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.964734][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.964734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.964734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.964734][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4456.964734][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4456.964734][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4456.964734][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4456.964734][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4456.964734][   T10]      addrconf_dad_begin+0x310/0x670
[ 4456.964734][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4456.964734][   T10]      process_one_work+0x84d/0x18a0
[ 4456.964734][   T10]      worker_thread+0x587/0xd30
[ 4456.964734][   T10]      kthread+0x28a/0x350
[ 4456.964734][   T10]      ret_from_fork+0x31/0x70
[ 4456.964734][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4456.964734][   T10] 
[ 4456.966692][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.966692][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.966692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.966692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.966692][   T10]      ip6_route_add+0x1c/0x140
[ 4456.966692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4456.966692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4456.966692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.966692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.966692][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.966692][   T10]      netlink_unicast+0x449/0x710
[ 4456.966692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.966692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.966692][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.966692][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.966692][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.966692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.966692][   T10] 
[ 4456.968719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.968719][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.968719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.968719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.968719][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4456.968719][   T10]      ipv6_add_addr+0x411/0x2000
[ 4456.968719][   T10]      inet6_addr_add+0x30e/0xa40
[ 4456.968719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.968719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.968719][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.968719][   T10]      netlink_unicast+0x449/0x710
[ 4456.968719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.968719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.968719][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.968719][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.968719][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.968719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.968719][   T10] 
[ 4456.970740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.970740][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.970740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.970740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.970740][   T10]      ip6_route_add+0x1c/0x140
[ 4456.970740][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4456.970740][   T10]      addrconf_add_dev+0xe2/0x170
[ 4456.970740][   T10]      inet6_addr_add+0x12f/0xa40
[ 4456.970740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.970740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.970740][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.970740][   T10]      netlink_unicast+0x449/0x710
[ 4456.970740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.970740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.970740][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.970740][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.970740][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.970740][   T10] 
[ 4456.972759][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.972759][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4456.972759][   T10]      ipv6_find_idev+0x102/0x170
[ 4456.972759][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4456.972759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.972759][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.972759][   T10]      netlink_unicast+0x449/0x710
[ 4456.972759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.972759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.972759][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.972759][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.972759][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.972759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.972759][   T10] 
[ 4456.974333][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4456.974333][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4456.974333][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4456.974333][   T10]      ipv6_find_idev+0x102/0x170
[ 4456.974333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4456.974333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.974333][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.974333][   T10]      netlink_unicast+0x449/0x710
[ 4456.974333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.974333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.974333][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.974333][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.974333][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.974333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.974333][   T10] 
[ 4456.976063][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4456.976309][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.976309][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4456.976309][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4456.976309][   T10]      fib6_nh_init+0xa22/0x1580
[ 4456.976309][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.976309][   T10]      ip6_route_add+0x1c/0x140
[ 4456.976309][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4456.976309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.976309][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.976309][   T10]      netlink_unicast+0x449/0x710
[ 4456.976309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.976309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.976309][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.976309][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.976309][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.976309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.976309][   T10] 
[ 4456.978214][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.978214][   T10]      dst_init+0x84/0x4a0
[ 4456.978214][   T10]      dst_alloc+0x97/0x150
[ 4456.978214][   T10]      ip6_dst_alloc+0x23/0x90
[ 4456.978214][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4456.978214][   T10]      ip6_pol_route+0x56f/0x840
[ 4456.978214][   T10]      fib6_rule_lookup+0x456/0x630
[ 4456.978214][   T10]      ip6_route_input+0x59c/0xa50
[ 4456.978214][   T10]      ipv6_rcv+0x397/0x810
[ 4456.978214][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4456.978214][   T10]      process_backlog+0x101/0x620
[ 4456.978214][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4456.978214][   T10]      net_rx_action+0x495/0xbe0
[ 4456.978214][   T10]      __do_softirq+0x1b5/0x7f6
[ 4456.978214][   T10] 
[ 4456.979871][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.979871][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.979871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.979871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.979871][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4456.979871][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4456.979871][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4456.979871][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4456.979871][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4456.979871][   T10]      addrconf_dad_begin+0x310/0x670
[ 4456.979871][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4456.979871][   T10]      process_one_work+0x84d/0x18a0
[ 4456.979871][   T10]      worker_thread+0x587/0xd30
[ 4456.979871][   T10]      kthread+0x28a/0x350
[ 4456.979871][   T10]      ret_from_fork+0x31/0x70
[ 4456.979871][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4456.979871][   T10] 
[ 4456.981849][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.981849][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.981849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.981849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.981849][   T10]      ip6_route_add+0x1c/0x140
[ 4456.981849][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4456.981849][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4456.981849][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.981849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.981849][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.981849][   T10]      netlink_unicast+0x449/0x710
[ 4456.981849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.981849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.981849][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.981849][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.981849][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.981849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.981849][   T10] 
[ 4456.983880][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.983880][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.983880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.983880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.983880][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4456.983880][   T10]      ipv6_add_addr+0x411/0x2000
[ 4456.983880][   T10]      inet6_addr_add+0x30e/0xa40
[ 4456.983880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.983880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.983880][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.983880][   T10]      netlink_unicast+0x449/0x710
[ 4456.983880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.983880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.983880][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.983880][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.983880][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.983880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.983880][   T10] 
[ 4456.985930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.985930][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.985930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.985930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.985930][   T10]      ip6_route_add+0x1c/0x140
[ 4456.985930][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4456.985930][   T10]      addrconf_add_dev+0xe2/0x170
[ 4456.985930][   T10]      inet6_addr_add+0x12f/0xa40
[ 4456.985930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.985930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.985930][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.985930][   T10]      netlink_unicast+0x449/0x710
[ 4456.985930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.985930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.985930][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.985930][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.985930][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.985930][   T10] 
[ 4456.988059][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.988059][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4456.988059][   T10]      ipv6_find_idev+0x102/0x170
[ 4456.988059][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4456.988059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.988059][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.988059][   T10]      netlink_unicast+0x449/0x710
[ 4456.988059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.988059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.988059][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.988059][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.988059][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.988059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.988059][   T10] 
[ 4456.989862][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4456.989862][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4456.989862][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4456.989862][   T10]      ipv6_find_idev+0x102/0x170
[ 4456.989862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4456.989862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.989862][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.989862][   T10]      netlink_unicast+0x449/0x710
[ 4456.989862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.989862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.989862][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.989862][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.989862][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.989862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.989862][   T10] 
[ 4456.991766][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4456.992142][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4456.992142][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.992142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.992142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.992142][   T10]      ip6_route_add+0x1c/0x140
[ 4456.992142][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4456.992142][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4456.992142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.992142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.992142][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.992142][   T10]      netlink_unicast+0x449/0x710
[ 4456.992142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.992142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.992142][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.992142][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.992142][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.992142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.992142][   T10] 
[ 4456.994422][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4456.994422][   T10]      netdev_get_by_index+0x5e/0x80
[ 4456.994422][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4456.994422][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4456.994422][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4456.994422][   T10]      ipv6_add_addr+0x411/0x2000
[ 4456.994422][   T10]      inet6_addr_add+0x30e/0xa40
[ 4456.994422][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4456.994422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.994422][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.994422][   T10]      netlink_unicast+0x449/0x710
[ 4456.994422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.994422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.994422][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.994422][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.994422][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.994422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.994422][   T10] 
[ 4456.996613][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4456.996613][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4456.996613][   T10]      ipv6_find_idev+0x102/0x170
[ 4456.996613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4456.996613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.996613][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.996613][   T10]      netlink_unicast+0x449/0x710
[ 4456.996613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.996613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.996613][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.996613][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.996613][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.996613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.996613][   T10] 
[ 4456.998362][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4456.998362][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4456.998362][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4456.998362][   T10]      ipv6_find_idev+0x102/0x170
[ 4456.998362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4456.998362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4456.998362][   T10]      netlink_rcv_skb+0x130/0x360
[ 4456.998362][   T10]      netlink_unicast+0x449/0x710
[ 4456.998362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4456.998362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4456.998362][   T10]      ___sys_sendmsg+0xee/0x170
[ 4456.998362][   T10]      __sys_sendmsg+0xcd/0x170
[ 4456.998362][   T10]      do_syscall_64+0xc6/0x1e0
[ 4456.998362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4456.998362][   T10] 
[ 4467.240787][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4467.241279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.241279][   T10]      dst_init+0x84/0x4a0
[ 4467.241279][   T10]      dst_alloc+0x97/0x150
[ 4467.241279][   T10]      ip6_dst_alloc+0x23/0x90
[ 4467.241279][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4467.241279][   T10]      ip6_pol_route+0x56f/0x840
[ 4467.241279][   T10]      fib6_rule_lookup+0x456/0x630
[ 4467.241279][   T10]      ip6_route_input+0x59c/0xa50
[ 4467.241279][   T10]      ipv6_rcv+0x397/0x810
[ 4467.241279][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4467.241279][   T10]      process_backlog+0x101/0x620
[ 4467.241279][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4467.241279][   T10]      net_rx_action+0x495/0xbe0
[ 4467.241279][   T10]      __do_softirq+0x1b5/0x7f6
[ 4467.241279][   T10] 
[ 4467.242951][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.242951][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4467.242951][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4467.242951][   T10]      fib6_nh_init+0xa22/0x1580
[ 4467.242951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.242951][   T10]      ip6_route_add+0x1c/0x140
[ 4467.242951][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4467.242951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.242951][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.242951][   T10]      netlink_unicast+0x449/0x710
[ 4467.242951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.242951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.242951][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.242951][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.242951][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.242951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.242951][   T10] 
[ 4467.244880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.244880][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.244880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.244880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.244880][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4467.244880][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4467.244880][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4467.244880][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4467.244880][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4467.244880][   T10]      addrconf_dad_begin+0x310/0x670
[ 4467.244880][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4467.244880][   T10]      process_one_work+0x84d/0x18a0
[ 4467.244880][   T10]      worker_thread+0x587/0xd30
[ 4467.244880][   T10]      kthread+0x28a/0x350
[ 4467.244880][   T10]      ret_from_fork+0x31/0x70
[ 4467.244880][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4467.244880][   T10] 
[ 4467.246854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.246854][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.246854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.246854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.246854][   T10]      ip6_route_add+0x1c/0x140
[ 4467.246854][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4467.246854][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4467.246854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.246854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.246854][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.246854][   T10]      netlink_unicast+0x449/0x710
[ 4467.246854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.246854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.246854][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.246854][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.246854][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.246854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.246854][   T10] 
[ 4467.248934][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.248934][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.248934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.248934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.248934][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4467.248934][   T10]      ipv6_add_addr+0x411/0x2000
[ 4467.248934][   T10]      inet6_addr_add+0x30e/0xa40
[ 4467.248934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.248934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.248934][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.248934][   T10]      netlink_unicast+0x449/0x710
[ 4467.248934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.248934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.248934][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.248934][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.248934][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.248934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.248934][   T10] 
[ 4467.250949][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.250949][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.250949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.250949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.250949][   T10]      ip6_route_add+0x1c/0x140
[ 4467.250949][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4467.250949][   T10]      addrconf_add_dev+0xe2/0x170
[ 4467.250949][   T10]      inet6_addr_add+0x12f/0xa40
[ 4467.250949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.250949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.250949][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.250949][   T10]      netlink_unicast+0x449/0x710
[ 4467.250949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.250949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.250949][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.250949][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.250949][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.250949][   T10] 
[ 4467.252925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.252925][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4467.252925][   T10]      ipv6_find_idev+0x102/0x170
[ 4467.252925][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4467.252925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.252925][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.252925][   T10]      netlink_unicast+0x449/0x710
[ 4467.252925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.252925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.252925][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.252925][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.252925][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.252925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.252925][   T10] 
[ 4467.254490][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4467.254490][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4467.254490][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4467.254490][   T10]      ipv6_find_idev+0x102/0x170
[ 4467.254490][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4467.254490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.254490][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.254490][   T10]      netlink_unicast+0x449/0x710
[ 4467.254490][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.254490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.254490][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.254490][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.254490][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.254490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.254490][   T10] 
[ 4467.256238][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4467.256502][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.256502][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4467.256502][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4467.256502][   T10]      fib6_nh_init+0xa22/0x1580
[ 4467.256502][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.256502][   T10]      ip6_route_add+0x1c/0x140
[ 4467.256502][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4467.256502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.256502][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.256502][   T10]      netlink_unicast+0x449/0x710
[ 4467.256502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.256502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.256502][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.256502][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.256502][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.256502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.256502][   T10] 
[ 4467.258409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.258409][   T10]      dst_init+0x84/0x4a0
[ 4467.258409][   T10]      dst_alloc+0x97/0x150
[ 4467.258409][   T10]      ip6_dst_alloc+0x23/0x90
[ 4467.258409][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4467.258409][   T10]      ip6_pol_route+0x56f/0x840
[ 4467.258409][   T10]      fib6_rule_lookup+0x456/0x630
[ 4467.258409][   T10]      ip6_route_input+0x59c/0xa50
[ 4467.258409][   T10]      ipv6_rcv+0x397/0x810
[ 4467.258409][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4467.258409][   T10]      process_backlog+0x101/0x620
[ 4467.258409][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4467.258409][   T10]      net_rx_action+0x495/0xbe0
[ 4467.258409][   T10]      __do_softirq+0x1b5/0x7f6
[ 4467.258409][   T10] 
[ 4467.260057][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.260057][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.260057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.260057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.260057][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4467.260057][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4467.260057][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4467.260057][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4467.260057][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4467.260057][   T10]      addrconf_dad_begin+0x310/0x670
[ 4467.260057][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4467.260057][   T10]      process_one_work+0x84d/0x18a0
[ 4467.260057][   T10]      worker_thread+0x587/0xd30
[ 4467.260057][   T10]      kthread+0x28a/0x350
[ 4467.260057][   T10]      ret_from_fork+0x31/0x70
[ 4467.260057][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4467.260057][   T10] 
[ 4467.261983][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.261983][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.261983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.261983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.261983][   T10]      ip6_route_add+0x1c/0x140
[ 4467.261983][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4467.261983][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4467.261983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.261983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.261983][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.261983][   T10]      netlink_unicast+0x449/0x710
[ 4467.261983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.261983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.261983][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.261983][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.261983][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.261983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.261983][   T10] 
[ 4467.264007][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.264007][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.264007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.264007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.264007][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4467.264007][   T10]      ipv6_add_addr+0x411/0x2000
[ 4467.264007][   T10]      inet6_addr_add+0x30e/0xa40
[ 4467.264007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.264007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.264007][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.264007][   T10]      netlink_unicast+0x449/0x710
[ 4467.264007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.264007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.264007][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.264007][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.264007][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.264007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.264007][   T10] 
[ 4467.266043][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.266043][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.266043][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.266043][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.266043][   T10]      ip6_route_add+0x1c/0x140
[ 4467.266043][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4467.266043][   T10]      addrconf_add_dev+0xe2/0x170
[ 4467.266043][   T10]      inet6_addr_add+0x12f/0xa40
[ 4467.266043][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.266043][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.266043][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.266043][   T10]      netlink_unicast+0x449/0x710
[ 4467.266043][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.266043][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.266043][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.266043][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.266043][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.266043][   T10] 
[ 4467.268227][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.268227][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4467.268227][   T10]      ipv6_find_idev+0x102/0x170
[ 4467.268227][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4467.268227][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.268227][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.268227][   T10]      netlink_unicast+0x449/0x710
[ 4467.268227][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.268227][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.268227][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.268227][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.268227][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.268227][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.268227][   T10] 
[ 4467.269961][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4467.269961][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4467.269961][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4467.269961][   T10]      ipv6_find_idev+0x102/0x170
[ 4467.269961][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4467.269961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.269961][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.269961][   T10]      netlink_unicast+0x449/0x710
[ 4467.269961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.269961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.269961][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.269961][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.269961][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.269961][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.269961][   T10] 
[ 4467.271935][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4467.272190][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4467.272190][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.272190][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.272190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.272190][   T10]      ip6_route_add+0x1c/0x140
[ 4467.272190][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4467.272190][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4467.272190][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.272190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.272190][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.272190][   T10]      netlink_unicast+0x449/0x710
[ 4467.272190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.272190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.272190][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.272190][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.272190][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.272190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.272190][   T10] 
[ 4467.274469][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4467.274469][   T10]      netdev_get_by_index+0x5e/0x80
[ 4467.274469][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4467.274469][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4467.274469][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4467.274469][   T10]      ipv6_add_addr+0x411/0x2000
[ 4467.274469][   T10]      inet6_addr_add+0x30e/0xa40
[ 4467.274469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4467.274469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.274469][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.274469][   T10]      netlink_unicast+0x449/0x710
[ 4467.274469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.274469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.274469][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.274469][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.274469][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.274469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.274469][   T10] 
[ 4467.276742][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4467.276742][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4467.276742][   T10]      ipv6_find_idev+0x102/0x170
[ 4467.276742][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4467.276742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.276742][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.276742][   T10]      netlink_unicast+0x449/0x710
[ 4467.276742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.276742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.276742][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.276742][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.276742][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.276742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.276742][   T10] 
[ 4467.278479][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4467.278479][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4467.278479][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4467.278479][   T10]      ipv6_find_idev+0x102/0x170
[ 4467.278479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4467.278479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4467.278479][   T10]      netlink_rcv_skb+0x130/0x360
[ 4467.278479][   T10]      netlink_unicast+0x449/0x710
[ 4467.278479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4467.278479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4467.278479][   T10]      ___sys_sendmsg+0xee/0x170
[ 4467.278479][   T10]      __sys_sendmsg+0xcd/0x170
[ 4467.278479][   T10]      do_syscall_64+0xc6/0x1e0
[ 4467.278479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4467.278479][   T10] 
[ 4477.520711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4477.521124][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.521124][   T10]      dst_init+0x84/0x4a0
[ 4477.521124][   T10]      dst_alloc+0x97/0x150
[ 4477.521124][   T10]      ip6_dst_alloc+0x23/0x90
[ 4477.521124][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4477.521124][   T10]      ip6_pol_route+0x56f/0x840
[ 4477.521124][   T10]      fib6_rule_lookup+0x456/0x630
[ 4477.521124][   T10]      ip6_route_input+0x59c/0xa50
[ 4477.521124][   T10]      ipv6_rcv+0x397/0x810
[ 4477.521124][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4477.521124][   T10]      process_backlog+0x101/0x620
[ 4477.521124][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4477.521124][   T10]      net_rx_action+0x495/0xbe0
[ 4477.521124][   T10]      __do_softirq+0x1b5/0x7f6
[ 4477.521124][   T10] 
[ 4477.522829][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.522829][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4477.522829][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4477.522829][   T10]      fib6_nh_init+0xa22/0x1580
[ 4477.522829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.522829][   T10]      ip6_route_add+0x1c/0x140
[ 4477.522829][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4477.522829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.522829][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.522829][   T10]      netlink_unicast+0x449/0x710
[ 4477.522829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.522829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.522829][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.522829][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.522829][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.522829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.522829][   T10] 
[ 4477.524748][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.524748][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.524748][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.524748][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.524748][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4477.524748][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4477.524748][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4477.524748][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4477.524748][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4477.524748][   T10]      addrconf_dad_begin+0x310/0x670
[ 4477.524748][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4477.524748][   T10]      process_one_work+0x84d/0x18a0
[ 4477.524748][   T10]      worker_thread+0x587/0xd30
[ 4477.524748][   T10]      kthread+0x28a/0x350
[ 4477.524748][   T10]      ret_from_fork+0x31/0x70
[ 4477.524748][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4477.524748][   T10] 
[ 4477.526696][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.526696][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.526696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.526696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.526696][   T10]      ip6_route_add+0x1c/0x140
[ 4477.526696][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4477.526696][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4477.526696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.526696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.526696][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.526696][   T10]      netlink_unicast+0x449/0x710
[ 4477.526696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.526696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.526696][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.526696][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.526696][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.526696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.526696][   T10] 
[ 4477.528716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.528716][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.528716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.528716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.528716][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4477.528716][   T10]      ipv6_add_addr+0x411/0x2000
[ 4477.528716][   T10]      inet6_addr_add+0x30e/0xa40
[ 4477.528716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.528716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.528716][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.528716][   T10]      netlink_unicast+0x449/0x710
[ 4477.528716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.528716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.528716][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.528716][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.528716][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.528716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.528716][   T10] 
[ 4477.530731][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.530731][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.530731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.530731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.530731][   T10]      ip6_route_add+0x1c/0x140
[ 4477.530731][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4477.530731][   T10]      addrconf_add_dev+0xe2/0x170
[ 4477.530731][   T10]      inet6_addr_add+0x12f/0xa40
[ 4477.530731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.530731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.530731][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.530731][   T10]      netlink_unicast+0x449/0x710
[ 4477.530731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.530731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.530731][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.530731][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.530731][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.530731][   T10] 
[ 4477.532712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.532712][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4477.532712][   T10]      ipv6_find_idev+0x102/0x170
[ 4477.532712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4477.532712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.532712][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.532712][   T10]      netlink_unicast+0x449/0x710
[ 4477.532712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.532712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.532712][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.532712][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.532712][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.532712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.532712][   T10] 
[ 4477.534271][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4477.534271][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4477.534271][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4477.534271][   T10]      ipv6_find_idev+0x102/0x170
[ 4477.534271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4477.534271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.534271][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.534271][   T10]      netlink_unicast+0x449/0x710
[ 4477.534271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.534271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.534271][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.534271][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.534271][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.534271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.534271][   T10] 
[ 4477.536139][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4477.536389][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.536389][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4477.536389][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4477.536389][   T10]      fib6_nh_init+0xa22/0x1580
[ 4477.536389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.536389][   T10]      ip6_route_add+0x1c/0x140
[ 4477.536389][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4477.536389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.536389][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.536389][   T10]      netlink_unicast+0x449/0x710
[ 4477.536389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.536389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.536389][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.536389][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.536389][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.536389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.536389][   T10] 
[ 4477.538328][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.538328][   T10]      dst_init+0x84/0x4a0
[ 4477.538328][   T10]      dst_alloc+0x97/0x150
[ 4477.538328][   T10]      ip6_dst_alloc+0x23/0x90
[ 4477.538328][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4477.538328][   T10]      ip6_pol_route+0x56f/0x840
[ 4477.538328][   T10]      fib6_rule_lookup+0x456/0x630
[ 4477.538328][   T10]      ip6_route_input+0x59c/0xa50
[ 4477.538328][   T10]      ipv6_rcv+0x397/0x810
[ 4477.538328][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4477.538328][   T10]      process_backlog+0x101/0x620
[ 4477.538328][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4477.538328][   T10]      net_rx_action+0x495/0xbe0
[ 4477.538328][   T10]      __do_softirq+0x1b5/0x7f6
[ 4477.538328][   T10] 
[ 4477.540020][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.540020][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.540020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.540020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.540020][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4477.540020][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4477.540020][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4477.540020][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4477.540020][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4477.540020][   T10]      addrconf_dad_begin+0x310/0x670
[ 4477.540020][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4477.540020][   T10]      process_one_work+0x84d/0x18a0
[ 4477.540020][   T10]      worker_thread+0x587/0xd30
[ 4477.540020][   T10]      kthread+0x28a/0x350
[ 4477.540020][   T10]      ret_from_fork+0x31/0x70
[ 4477.540020][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4477.540020][   T10] 
[ 4477.541984][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.541984][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.541984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.541984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.541984][   T10]      ip6_route_add+0x1c/0x140
[ 4477.541984][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4477.541984][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4477.541984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.541984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.541984][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.541984][   T10]      netlink_unicast+0x449/0x710
[ 4477.541984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.541984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.541984][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.541984][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.541984][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.541984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.541984][   T10] 
[ 4477.544045][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.544045][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.544045][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.544045][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.544045][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4477.544045][   T10]      ipv6_add_addr+0x411/0x2000
[ 4477.544045][   T10]      inet6_addr_add+0x30e/0xa40
[ 4477.544045][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.544045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.544045][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.544045][   T10]      netlink_unicast+0x449/0x710
[ 4477.544045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.544045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.544045][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.544045][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.544045][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.544045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.544045][   T10] 
[ 4477.546122][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.546122][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.546122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.546122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.546122][   T10]      ip6_route_add+0x1c/0x140
[ 4477.546122][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4477.546122][   T10]      addrconf_add_dev+0xe2/0x170
[ 4477.546122][   T10]      inet6_addr_add+0x12f/0xa40
[ 4477.546122][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.546122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.546122][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.546122][   T10]      netlink_unicast+0x449/0x710
[ 4477.546122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.546122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.546122][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.546122][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.546122][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.546122][   T10] 
[ 4477.548360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.548360][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4477.548360][   T10]      ipv6_find_idev+0x102/0x170
[ 4477.548360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4477.548360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.548360][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.548360][   T10]      netlink_unicast+0x449/0x710
[ 4477.548360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.548360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.548360][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.548360][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.548360][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.548360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.548360][   T10] 
[ 4477.550189][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4477.550189][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4477.550189][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4477.550189][   T10]      ipv6_find_idev+0x102/0x170
[ 4477.550189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4477.550189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.550189][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.550189][   T10]      netlink_unicast+0x449/0x710
[ 4477.550189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.550189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.550189][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.550189][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.550189][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.550189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.550189][   T10] 
[ 4477.552132][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4477.552375][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4477.552375][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.552375][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.552375][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.552375][   T10]      ip6_route_add+0x1c/0x140
[ 4477.552375][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4477.552375][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4477.552375][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.552375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.552375][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.552375][   T10]      netlink_unicast+0x449/0x710
[ 4477.552375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.552375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.552375][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.552375][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.552375][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.552375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.552375][   T10] 
[ 4477.554645][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4477.554645][   T10]      netdev_get_by_index+0x5e/0x80
[ 4477.554645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4477.554645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4477.554645][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4477.554645][   T10]      ipv6_add_addr+0x411/0x2000
[ 4477.554645][   T10]      inet6_addr_add+0x30e/0xa40
[ 4477.554645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4477.554645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.554645][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.554645][   T10]      netlink_unicast+0x449/0x710
[ 4477.554645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.554645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.554645][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.554645][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.554645][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.554645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.554645][   T10] 
[ 4477.556925][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4477.556925][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4477.556925][   T10]      ipv6_find_idev+0x102/0x170
[ 4477.556925][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4477.556925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.556925][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.556925][   T10]      netlink_unicast+0x449/0x710
[ 4477.556925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.556925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.556925][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.556925][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.556925][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.556925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.556925][   T10] 
[ 4477.559087][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4477.559087][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4477.559087][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4477.559087][   T10]      ipv6_find_idev+0x102/0x170
[ 4477.559087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4477.559087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4477.559087][   T10]      netlink_rcv_skb+0x130/0x360
[ 4477.559087][   T10]      netlink_unicast+0x449/0x710
[ 4477.559087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4477.559087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4477.559087][   T10]      ___sys_sendmsg+0xee/0x170
[ 4477.559087][   T10]      __sys_sendmsg+0xcd/0x170
[ 4477.559087][   T10]      do_syscall_64+0xc6/0x1e0
[ 4477.559087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4477.559087][   T10] 
[ 4487.800743][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4487.801212][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.801212][   T10]      dst_init+0x84/0x4a0
[ 4487.801212][   T10]      dst_alloc+0x97/0x150
[ 4487.801212][   T10]      ip6_dst_alloc+0x23/0x90
[ 4487.801212][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4487.801212][   T10]      ip6_pol_route+0x56f/0x840
[ 4487.801212][   T10]      fib6_rule_lookup+0x456/0x630
[ 4487.801212][   T10]      ip6_route_input+0x59c/0xa50
[ 4487.801212][   T10]      ipv6_rcv+0x397/0x810
[ 4487.801212][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4487.801212][   T10]      process_backlog+0x101/0x620
[ 4487.801212][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4487.801212][   T10]      net_rx_action+0x495/0xbe0
[ 4487.801212][   T10]      __do_softirq+0x1b5/0x7f6
[ 4487.801212][   T10] 
[ 4487.802913][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.802913][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4487.802913][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4487.802913][   T10]      fib6_nh_init+0xa22/0x1580
[ 4487.802913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.802913][   T10]      ip6_route_add+0x1c/0x140
[ 4487.802913][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4487.802913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.802913][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.802913][   T10]      netlink_unicast+0x449/0x710
[ 4487.802913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.802913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.802913][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.802913][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.802913][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.802913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.802913][   T10] 
[ 4487.804819][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.804819][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.804819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.804819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.804819][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4487.804819][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4487.804819][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4487.804819][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4487.804819][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4487.804819][   T10]      addrconf_dad_begin+0x310/0x670
[ 4487.804819][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4487.804819][   T10]      process_one_work+0x84d/0x18a0
[ 4487.804819][   T10]      worker_thread+0x587/0xd30
[ 4487.804819][   T10]      kthread+0x28a/0x350
[ 4487.804819][   T10]      ret_from_fork+0x31/0x70
[ 4487.804819][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4487.804819][   T10] 
[ 4487.806783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.806783][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.806783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.806783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.806783][   T10]      ip6_route_add+0x1c/0x140
[ 4487.806783][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4487.806783][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4487.806783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.806783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.806783][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.806783][   T10]      netlink_unicast+0x449/0x710
[ 4487.806783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.806783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.806783][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.806783][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.806783][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.806783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.806783][   T10] 
[ 4487.808811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.808811][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.808811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.808811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.808811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4487.808811][   T10]      ipv6_add_addr+0x411/0x2000
[ 4487.808811][   T10]      inet6_addr_add+0x30e/0xa40
[ 4487.808811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.808811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.808811][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.808811][   T10]      netlink_unicast+0x449/0x710
[ 4487.808811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.808811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.808811][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.808811][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.808811][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.808811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.808811][   T10] 
[ 4487.810826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.810826][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.810826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.810826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.810826][   T10]      ip6_route_add+0x1c/0x140
[ 4487.810826][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4487.810826][   T10]      addrconf_add_dev+0xe2/0x170
[ 4487.810826][   T10]      inet6_addr_add+0x12f/0xa40
[ 4487.810826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.810826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.810826][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.810826][   T10]      netlink_unicast+0x449/0x710
[ 4487.810826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.810826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.810826][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.810826][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.810826][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.810826][   T10] 
[ 4487.812797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.812797][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4487.812797][   T10]      ipv6_find_idev+0x102/0x170
[ 4487.812797][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4487.812797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.812797][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.812797][   T10]      netlink_unicast+0x449/0x710
[ 4487.812797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.812797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.812797][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.812797][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.812797][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.812797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.812797][   T10] 
[ 4487.814364][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4487.814364][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4487.814364][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4487.814364][   T10]      ipv6_find_idev+0x102/0x170
[ 4487.814364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4487.814364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.814364][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.814364][   T10]      netlink_unicast+0x449/0x710
[ 4487.814364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.814364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.814364][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.814364][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.814364][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.814364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.814364][   T10] 
[ 4487.816114][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4487.816360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.816360][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4487.816360][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4487.816360][   T10]      fib6_nh_init+0xa22/0x1580
[ 4487.816360][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.816360][   T10]      ip6_route_add+0x1c/0x140
[ 4487.816360][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4487.816360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.816360][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.816360][   T10]      netlink_unicast+0x449/0x710
[ 4487.816360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.816360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.816360][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.816360][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.816360][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.816360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.816360][   T10] 
[ 4487.818280][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.818280][   T10]      dst_init+0x84/0x4a0
[ 4487.818280][   T10]      dst_alloc+0x97/0x150
[ 4487.818280][   T10]      ip6_dst_alloc+0x23/0x90
[ 4487.818280][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4487.818280][   T10]      ip6_pol_route+0x56f/0x840
[ 4487.818280][   T10]      fib6_rule_lookup+0x456/0x630
[ 4487.818280][   T10]      ip6_route_input+0x59c/0xa50
[ 4487.818280][   T10]      ipv6_rcv+0x397/0x810
[ 4487.818280][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4487.818280][   T10]      process_backlog+0x101/0x620
[ 4487.818280][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4487.818280][   T10]      net_rx_action+0x495/0xbe0
[ 4487.818280][   T10]      __do_softirq+0x1b5/0x7f6
[ 4487.818280][   T10] 
[ 4487.819949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.819949][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.819949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.819949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.819949][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4487.819949][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4487.819949][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4487.819949][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4487.819949][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4487.819949][   T10]      addrconf_dad_begin+0x310/0x670
[ 4487.819949][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4487.819949][   T10]      process_one_work+0x84d/0x18a0
[ 4487.819949][   T10]      worker_thread+0x587/0xd30
[ 4487.819949][   T10]      kthread+0x28a/0x350
[ 4487.819949][   T10]      ret_from_fork+0x31/0x70
[ 4487.819949][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4487.819949][   T10] 
[ 4487.821878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.821878][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.821878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.821878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.821878][   T10]      ip6_route_add+0x1c/0x140
[ 4487.821878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4487.821878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4487.821878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.821878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.821878][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.821878][   T10]      netlink_unicast+0x449/0x710
[ 4487.821878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.821878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.821878][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.821878][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.821878][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.821878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.821878][   T10] 
[ 4487.823910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.823910][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.823910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.823910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.823910][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4487.823910][   T10]      ipv6_add_addr+0x411/0x2000
[ 4487.823910][   T10]      inet6_addr_add+0x30e/0xa40
[ 4487.823910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.823910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.823910][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.823910][   T10]      netlink_unicast+0x449/0x710
[ 4487.823910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.823910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.823910][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.823910][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.823910][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.823910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.823910][   T10] 
[ 4487.825935][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.825935][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.825935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.825935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.825935][   T10]      ip6_route_add+0x1c/0x140
[ 4487.825935][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4487.825935][   T10]      addrconf_add_dev+0xe2/0x170
[ 4487.825935][   T10]      inet6_addr_add+0x12f/0xa40
[ 4487.825935][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.825935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.825935][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.825935][   T10]      netlink_unicast+0x449/0x710
[ 4487.825935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.825935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.825935][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.825935][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.825935][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.825935][   T10] 
[ 4487.828102][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.828102][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4487.828102][   T10]      ipv6_find_idev+0x102/0x170
[ 4487.828102][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4487.828102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.828102][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.828102][   T10]      netlink_unicast+0x449/0x710
[ 4487.828102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.828102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.828102][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.828102][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.828102][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.828102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.828102][   T10] 
[ 4487.829843][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4487.829843][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4487.829843][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4487.829843][   T10]      ipv6_find_idev+0x102/0x170
[ 4487.829843][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4487.829843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.829843][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.829843][   T10]      netlink_unicast+0x449/0x710
[ 4487.829843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.829843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.829843][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.829843][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.829843][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.829843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.829843][   T10] 
[ 4487.831804][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4487.832050][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4487.832050][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.832050][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.832050][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.832050][   T10]      ip6_route_add+0x1c/0x140
[ 4487.832050][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4487.832050][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4487.832050][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.832050][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.832050][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.832050][   T10]      netlink_unicast+0x449/0x710
[ 4487.832050][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.832050][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.832050][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.832050][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.832050][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.832050][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.832050][   T10] 
[ 4487.834323][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4487.834323][   T10]      netdev_get_by_index+0x5e/0x80
[ 4487.834323][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4487.834323][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4487.834323][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4487.834323][   T10]      ipv6_add_addr+0x411/0x2000
[ 4487.834323][   T10]      inet6_addr_add+0x30e/0xa40
[ 4487.834323][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4487.834323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.834323][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.834323][   T10]      netlink_unicast+0x449/0x710
[ 4487.834323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.834323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.834323][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.834323][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.834323][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.834323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.834323][   T10] 
[ 4487.836605][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4487.836605][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4487.836605][   T10]      ipv6_find_idev+0x102/0x170
[ 4487.836605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4487.836605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.836605][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.836605][   T10]      netlink_unicast+0x449/0x710
[ 4487.836605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.836605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.836605][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.836605][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.836605][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.836605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.836605][   T10] 
[ 4487.838346][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4487.838346][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4487.838346][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4487.838346][   T10]      ipv6_find_idev+0x102/0x170
[ 4487.838346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4487.838346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4487.838346][   T10]      netlink_rcv_skb+0x130/0x360
[ 4487.838346][   T10]      netlink_unicast+0x449/0x710
[ 4487.838346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4487.838346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4487.838346][   T10]      ___sys_sendmsg+0xee/0x170
[ 4487.838346][   T10]      __sys_sendmsg+0xcd/0x170
[ 4487.838346][   T10]      do_syscall_64+0xc6/0x1e0
[ 4487.838346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4487.838346][   T10] 
[ 4498.080732][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4498.081199][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.081199][   T10]      dst_init+0x84/0x4a0
[ 4498.081199][   T10]      dst_alloc+0x97/0x150
[ 4498.081199][   T10]      ip6_dst_alloc+0x23/0x90
[ 4498.081199][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4498.081199][   T10]      ip6_pol_route+0x56f/0x840
[ 4498.081199][   T10]      fib6_rule_lookup+0x456/0x630
[ 4498.081199][   T10]      ip6_route_input+0x59c/0xa50
[ 4498.081199][   T10]      ipv6_rcv+0x397/0x810
[ 4498.081199][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4498.081199][   T10]      process_backlog+0x101/0x620
[ 4498.081199][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4498.081199][   T10]      net_rx_action+0x495/0xbe0
[ 4498.081199][   T10]      __do_softirq+0x1b5/0x7f6
[ 4498.081199][   T10] 
[ 4498.082889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.082889][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4498.082889][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4498.082889][   T10]      fib6_nh_init+0xa22/0x1580
[ 4498.082889][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.082889][   T10]      ip6_route_add+0x1c/0x140
[ 4498.082889][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4498.082889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.082889][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.082889][   T10]      netlink_unicast+0x449/0x710
[ 4498.082889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.082889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.082889][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.082889][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.082889][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.082889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.082889][   T10] 
[ 4498.084800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.084800][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.084800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.084800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.084800][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4498.084800][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4498.084800][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4498.084800][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4498.084800][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4498.084800][   T10]      addrconf_dad_begin+0x310/0x670
[ 4498.084800][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4498.084800][   T10]      process_one_work+0x84d/0x18a0
[ 4498.084800][   T10]      worker_thread+0x587/0xd30
[ 4498.084800][   T10]      kthread+0x28a/0x350
[ 4498.084800][   T10]      ret_from_fork+0x31/0x70
[ 4498.084800][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4498.084800][   T10] 
[ 4498.086745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.086745][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.086745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.086745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.086745][   T10]      ip6_route_add+0x1c/0x140
[ 4498.086745][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4498.086745][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4498.086745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.086745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.086745][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.086745][   T10]      netlink_unicast+0x449/0x710
[ 4498.086745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.086745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.086745][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.086745][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.086745][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.086745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.086745][   T10] 
[ 4498.088769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.088769][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.088769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.088769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.088769][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4498.088769][   T10]      ipv6_add_addr+0x411/0x2000
[ 4498.088769][   T10]      inet6_addr_add+0x30e/0xa40
[ 4498.088769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.088769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.088769][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.088769][   T10]      netlink_unicast+0x449/0x710
[ 4498.088769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.088769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.088769][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.088769][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.088769][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.088769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.088769][   T10] 
[ 4498.090789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.090789][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.090789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.090789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.090789][   T10]      ip6_route_add+0x1c/0x140
[ 4498.090789][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4498.090789][   T10]      addrconf_add_dev+0xe2/0x170
[ 4498.090789][   T10]      inet6_addr_add+0x12f/0xa40
[ 4498.090789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.090789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.090789][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.090789][   T10]      netlink_unicast+0x449/0x710
[ 4498.090789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.090789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.090789][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.090789][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.090789][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.090789][   T10] 
[ 4498.092775][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.092775][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4498.092775][   T10]      ipv6_find_idev+0x102/0x170
[ 4498.092775][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4498.092775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.092775][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.092775][   T10]      netlink_unicast+0x449/0x710
[ 4498.092775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.092775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.092775][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.092775][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.092775][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.092775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.092775][   T10] 
[ 4498.094324][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4498.094324][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4498.094324][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4498.094324][   T10]      ipv6_find_idev+0x102/0x170
[ 4498.094324][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4498.094324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.094324][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.094324][   T10]      netlink_unicast+0x449/0x710
[ 4498.094324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.094324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.094324][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.094324][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.094324][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.094324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.094324][   T10] 
[ 4498.096064][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4498.096311][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.096311][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4498.096311][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4498.096311][   T10]      fib6_nh_init+0xa22/0x1580
[ 4498.096311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.096311][   T10]      ip6_route_add+0x1c/0x140
[ 4498.096311][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4498.096311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.096311][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.096311][   T10]      netlink_unicast+0x449/0x710
[ 4498.096311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.096311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.096311][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.096311][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.096311][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.096311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.096311][   T10] 
[ 4498.098218][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.098218][   T10]      dst_init+0x84/0x4a0
[ 4498.098218][   T10]      dst_alloc+0x97/0x150
[ 4498.098218][   T10]      ip6_dst_alloc+0x23/0x90
[ 4498.098218][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4498.098218][   T10]      ip6_pol_route+0x56f/0x840
[ 4498.098218][   T10]      fib6_rule_lookup+0x456/0x630
[ 4498.098218][   T10]      ip6_route_input+0x59c/0xa50
[ 4498.098218][   T10]      ipv6_rcv+0x397/0x810
[ 4498.098218][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4498.098218][   T10]      process_backlog+0x101/0x620
[ 4498.098218][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4498.098218][   T10]      net_rx_action+0x495/0xbe0
[ 4498.098218][   T10]      __do_softirq+0x1b5/0x7f6
[ 4498.098218][   T10] 
[ 4498.099869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.099869][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.099869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.099869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.099869][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4498.099869][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4498.099869][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4498.099869][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4498.099869][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4498.099869][   T10]      addrconf_dad_begin+0x310/0x670
[ 4498.099869][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4498.099869][   T10]      process_one_work+0x84d/0x18a0
[ 4498.099869][   T10]      worker_thread+0x587/0xd30
[ 4498.099869][   T10]      kthread+0x28a/0x350
[ 4498.099869][   T10]      ret_from_fork+0x31/0x70
[ 4498.099869][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4498.099869][   T10] 
[ 4498.101799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.101799][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.101799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.101799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.101799][   T10]      ip6_route_add+0x1c/0x140
[ 4498.101799][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4498.101799][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4498.101799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.101799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.101799][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.101799][   T10]      netlink_unicast+0x449/0x710
[ 4498.101799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.101799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.101799][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.101799][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.101799][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.101799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.101799][   T10] 
[ 4498.103844][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.103844][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.103844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.103844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.103844][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4498.103844][   T10]      ipv6_add_addr+0x411/0x2000
[ 4498.103844][   T10]      inet6_addr_add+0x30e/0xa40
[ 4498.103844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.103844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.103844][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.103844][   T10]      netlink_unicast+0x449/0x710
[ 4498.103844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.103844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.103844][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.103844][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.103844][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.103844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.103844][   T10] 
[ 4498.105903][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.105903][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.105903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.105903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.105903][   T10]      ip6_route_add+0x1c/0x140
[ 4498.105903][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4498.105903][   T10]      addrconf_add_dev+0xe2/0x170
[ 4498.105903][   T10]      inet6_addr_add+0x12f/0xa40
[ 4498.105903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.105903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.105903][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.105903][   T10]      netlink_unicast+0x449/0x710
[ 4498.105903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.105903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.105903][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.105903][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.105903][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.105903][   T10] 
[ 4498.108070][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.108070][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4498.108070][   T10]      ipv6_find_idev+0x102/0x170
[ 4498.108070][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4498.108070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.108070][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.108070][   T10]      netlink_unicast+0x449/0x710
[ 4498.108070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.108070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.108070][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.108070][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.108070][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.108070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.108070][   T10] 
[ 4498.109874][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4498.109874][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4498.109874][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4498.109874][   T10]      ipv6_find_idev+0x102/0x170
[ 4498.109874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4498.109874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.109874][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.109874][   T10]      netlink_unicast+0x449/0x710
[ 4498.109874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.109874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.109874][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.109874][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.109874][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.109874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.109874][   T10] 
[ 4498.111774][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4498.112019][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4498.112019][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.112019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.112019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.112019][   T10]      ip6_route_add+0x1c/0x140
[ 4498.112019][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4498.112019][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4498.112019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.112019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.112019][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.112019][   T10]      netlink_unicast+0x449/0x710
[ 4498.112019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.112019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.112019][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.112019][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.112019][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.112019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.112019][   T10] 
[ 4498.114282][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4498.114282][   T10]      netdev_get_by_index+0x5e/0x80
[ 4498.114282][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4498.114282][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4498.114282][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4498.114282][   T10]      ipv6_add_addr+0x411/0x2000
[ 4498.114282][   T10]      inet6_addr_add+0x30e/0xa40
[ 4498.114282][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4498.114282][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.114282][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.114282][   T10]      netlink_unicast+0x449/0x710
[ 4498.114282][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.114282][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.114282][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.114282][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.114282][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.114282][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.114282][   T10] 
[ 4498.116541][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4498.116541][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4498.116541][   T10]      ipv6_find_idev+0x102/0x170
[ 4498.116541][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4498.116541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.116541][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.116541][   T10]      netlink_unicast+0x449/0x710
[ 4498.116541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.116541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.116541][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.116541][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.116541][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.116541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.116541][   T10] 
[ 4498.118352][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4498.118352][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4498.118352][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4498.118352][   T10]      ipv6_find_idev+0x102/0x170
[ 4498.118352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4498.118352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4498.118352][   T10]      netlink_rcv_skb+0x130/0x360
[ 4498.118352][   T10]      netlink_unicast+0x449/0x710
[ 4498.118352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4498.118352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4498.118352][   T10]      ___sys_sendmsg+0xee/0x170
[ 4498.118352][   T10]      __sys_sendmsg+0xcd/0x170
[ 4498.118352][   T10]      do_syscall_64+0xc6/0x1e0
[ 4498.118352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4498.118352][   T10] 
[ 4508.360722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4508.361197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.361197][   T10]      dst_init+0x84/0x4a0
[ 4508.361197][   T10]      dst_alloc+0x97/0x150
[ 4508.361197][   T10]      ip6_dst_alloc+0x23/0x90
[ 4508.361197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4508.361197][   T10]      ip6_pol_route+0x56f/0x840
[ 4508.361197][   T10]      fib6_rule_lookup+0x456/0x630
[ 4508.361197][   T10]      ip6_route_input+0x59c/0xa50
[ 4508.361197][   T10]      ipv6_rcv+0x397/0x810
[ 4508.361197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4508.361197][   T10]      process_backlog+0x101/0x620
[ 4508.361197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4508.361197][   T10]      net_rx_action+0x495/0xbe0
[ 4508.361197][   T10]      __do_softirq+0x1b5/0x7f6
[ 4508.361197][   T10] 
[ 4508.362903][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.362903][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4508.362903][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4508.362903][   T10]      fib6_nh_init+0xa22/0x1580
[ 4508.362903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.362903][   T10]      ip6_route_add+0x1c/0x140
[ 4508.362903][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4508.362903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.362903][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.362903][   T10]      netlink_unicast+0x449/0x710
[ 4508.362903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.362903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.362903][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.362903][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.362903][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.362903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.362903][   T10] 
[ 4508.364827][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.364827][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.364827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.364827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.364827][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4508.364827][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4508.364827][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4508.364827][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4508.364827][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4508.364827][   T10]      addrconf_dad_begin+0x310/0x670
[ 4508.364827][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4508.364827][   T10]      process_one_work+0x84d/0x18a0
[ 4508.364827][   T10]      worker_thread+0x587/0xd30
[ 4508.364827][   T10]      kthread+0x28a/0x350
[ 4508.364827][   T10]      ret_from_fork+0x31/0x70
[ 4508.364827][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4508.364827][   T10] 
[ 4508.366760][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.366760][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.366760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.366760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.366760][   T10]      ip6_route_add+0x1c/0x140
[ 4508.366760][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4508.366760][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4508.366760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.366760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.366760][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.366760][   T10]      netlink_unicast+0x449/0x710
[ 4508.366760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.366760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.366760][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.366760][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.366760][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.366760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.366760][   T10] 
[ 4508.368790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.368790][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.368790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.368790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.368790][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4508.368790][   T10]      ipv6_add_addr+0x411/0x2000
[ 4508.368790][   T10]      inet6_addr_add+0x30e/0xa40
[ 4508.368790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.368790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.368790][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.368790][   T10]      netlink_unicast+0x449/0x710
[ 4508.368790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.368790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.368790][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.368790][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.368790][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.368790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.368790][   T10] 
[ 4508.370825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.370825][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.370825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.370825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.370825][   T10]      ip6_route_add+0x1c/0x140
[ 4508.370825][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4508.370825][   T10]      addrconf_add_dev+0xe2/0x170
[ 4508.370825][   T10]      inet6_addr_add+0x12f/0xa40
[ 4508.370825][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.370825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.370825][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.370825][   T10]      netlink_unicast+0x449/0x710
[ 4508.370825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.370825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.370825][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.370825][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.370825][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.370825][   T10] 
[ 4508.372807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.372807][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4508.372807][   T10]      ipv6_find_idev+0x102/0x170
[ 4508.372807][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4508.372807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.372807][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.372807][   T10]      netlink_unicast+0x449/0x710
[ 4508.372807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.372807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.372807][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.372807][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.372807][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.372807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.372807][   T10] 
[ 4508.374367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4508.374367][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4508.374367][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4508.374367][   T10]      ipv6_find_idev+0x102/0x170
[ 4508.374367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4508.374367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.374367][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.374367][   T10]      netlink_unicast+0x449/0x710
[ 4508.374367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.374367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.374367][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.374367][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.374367][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.374367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.374367][   T10] 
[ 4508.376094][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4508.376341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.376341][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4508.376341][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4508.376341][   T10]      fib6_nh_init+0xa22/0x1580
[ 4508.376341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.376341][   T10]      ip6_route_add+0x1c/0x140
[ 4508.376341][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4508.376341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.376341][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.376341][   T10]      netlink_unicast+0x449/0x710
[ 4508.376341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.376341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.376341][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.376341][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.376341][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.376341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.376341][   T10] 
[ 4508.378222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.378222][   T10]      dst_init+0x84/0x4a0
[ 4508.378222][   T10]      dst_alloc+0x97/0x150
[ 4508.378222][   T10]      ip6_dst_alloc+0x23/0x90
[ 4508.378222][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4508.378222][   T10]      ip6_pol_route+0x56f/0x840
[ 4508.378222][   T10]      fib6_rule_lookup+0x456/0x630
[ 4508.378222][   T10]      ip6_route_input+0x59c/0xa50
[ 4508.378222][   T10]      ipv6_rcv+0x397/0x810
[ 4508.378222][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4508.378222][   T10]      process_backlog+0x101/0x620
[ 4508.378222][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4508.378222][   T10]      net_rx_action+0x495/0xbe0
[ 4508.378222][   T10]      __do_softirq+0x1b5/0x7f6
[ 4508.378222][   T10] 
[ 4508.379872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.379872][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.379872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.379872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.379872][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4508.379872][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4508.379872][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4508.379872][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4508.379872][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4508.379872][   T10]      addrconf_dad_begin+0x310/0x670
[ 4508.379872][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4508.379872][   T10]      process_one_work+0x84d/0x18a0
[ 4508.379872][   T10]      worker_thread+0x587/0xd30
[ 4508.379872][   T10]      kthread+0x28a/0x350
[ 4508.379872][   T10]      ret_from_fork+0x31/0x70
[ 4508.379872][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4508.379872][   T10] 
[ 4508.381791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.381791][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.381791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.381791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.381791][   T10]      ip6_route_add+0x1c/0x140
[ 4508.381791][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4508.381791][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4508.381791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.381791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.381791][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.381791][   T10]      netlink_unicast+0x449/0x710
[ 4508.381791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.381791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.381791][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.381791][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.381791][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.381791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.381791][   T10] 
[ 4508.383798][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.383798][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.383798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.383798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.383798][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4508.383798][   T10]      ipv6_add_addr+0x411/0x2000
[ 4508.383798][   T10]      inet6_addr_add+0x30e/0xa40
[ 4508.383798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.383798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.383798][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.383798][   T10]      netlink_unicast+0x449/0x710
[ 4508.383798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.383798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.383798][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.383798][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.383798][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.383798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.383798][   T10] 
[ 4508.385831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.385831][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.385831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.385831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.385831][   T10]      ip6_route_add+0x1c/0x140
[ 4508.385831][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4508.385831][   T10]      addrconf_add_dev+0xe2/0x170
[ 4508.385831][   T10]      inet6_addr_add+0x12f/0xa40
[ 4508.385831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.385831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.385831][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.385831][   T10]      netlink_unicast+0x449/0x710
[ 4508.385831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.385831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.385831][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.385831][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.385831][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.385831][   T10] 
[ 4508.388002][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.388002][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4508.388002][   T10]      ipv6_find_idev+0x102/0x170
[ 4508.388002][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4508.388002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.388002][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.388002][   T10]      netlink_unicast+0x449/0x710
[ 4508.388002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.388002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.388002][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.388002][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.388002][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.388002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.388002][   T10] 
[ 4508.389729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4508.389729][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4508.389729][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4508.389729][   T10]      ipv6_find_idev+0x102/0x170
[ 4508.389729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4508.389729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.389729][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.389729][   T10]      netlink_unicast+0x449/0x710
[ 4508.389729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.389729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.389729][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.389729][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.389729][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.389729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.389729][   T10] 
[ 4508.391702][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4508.391952][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4508.391952][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.391952][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.391952][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.391952][   T10]      ip6_route_add+0x1c/0x140
[ 4508.391952][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4508.391952][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4508.391952][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.391952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.391952][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.391952][   T10]      netlink_unicast+0x449/0x710
[ 4508.391952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.391952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.391952][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.391952][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.391952][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.391952][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.391952][   T10] 
[ 4508.394208][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4508.394208][   T10]      netdev_get_by_index+0x5e/0x80
[ 4508.394208][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4508.394208][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4508.394208][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4508.394208][   T10]      ipv6_add_addr+0x411/0x2000
[ 4508.394208][   T10]      inet6_addr_add+0x30e/0xa40
[ 4508.394208][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4508.394208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.394208][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.394208][   T10]      netlink_unicast+0x449/0x710
[ 4508.394208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.394208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.394208][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.394208][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.394208][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.394208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.394208][   T10] 
[ 4508.396463][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4508.396463][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4508.396463][   T10]      ipv6_find_idev+0x102/0x170
[ 4508.396463][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4508.396463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.396463][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.396463][   T10]      netlink_unicast+0x449/0x710
[ 4508.396463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.396463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.396463][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.396463][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.396463][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.396463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.396463][   T10] 
[ 4508.398192][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4508.398192][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4508.398192][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4508.398192][   T10]      ipv6_find_idev+0x102/0x170
[ 4508.398192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4508.398192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4508.398192][   T10]      netlink_rcv_skb+0x130/0x360
[ 4508.398192][   T10]      netlink_unicast+0x449/0x710
[ 4508.398192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4508.398192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4508.398192][   T10]      ___sys_sendmsg+0xee/0x170
[ 4508.398192][   T10]      __sys_sendmsg+0xcd/0x170
[ 4508.398192][   T10]      do_syscall_64+0xc6/0x1e0
[ 4508.398192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4508.398192][   T10] 
[ 4518.640779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4518.641245][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.641245][   T10]      dst_init+0x84/0x4a0
[ 4518.641245][   T10]      dst_alloc+0x97/0x150
[ 4518.641245][   T10]      ip6_dst_alloc+0x23/0x90
[ 4518.641245][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4518.641245][   T10]      ip6_pol_route+0x56f/0x840
[ 4518.641245][   T10]      fib6_rule_lookup+0x456/0x630
[ 4518.641245][   T10]      ip6_route_input+0x59c/0xa50
[ 4518.641245][   T10]      ipv6_rcv+0x397/0x810
[ 4518.641245][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4518.641245][   T10]      process_backlog+0x101/0x620
[ 4518.641245][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4518.641245][   T10]      net_rx_action+0x495/0xbe0
[ 4518.641245][   T10]      __do_softirq+0x1b5/0x7f6
[ 4518.641245][   T10] 
[ 4518.642951][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.642951][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4518.642951][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4518.642951][   T10]      fib6_nh_init+0xa22/0x1580
[ 4518.642951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.642951][   T10]      ip6_route_add+0x1c/0x140
[ 4518.642951][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4518.642951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.642951][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.642951][   T10]      netlink_unicast+0x449/0x710
[ 4518.642951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.642951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.642951][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.642951][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.642951][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.642951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.642951][   T10] 
[ 4518.644864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.644864][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.644864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.644864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.644864][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4518.644864][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4518.644864][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4518.644864][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4518.644864][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4518.644864][   T10]      addrconf_dad_begin+0x310/0x670
[ 4518.644864][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4518.644864][   T10]      process_one_work+0x84d/0x18a0
[ 4518.644864][   T10]      worker_thread+0x587/0xd30
[ 4518.644864][   T10]      kthread+0x28a/0x350
[ 4518.644864][   T10]      ret_from_fork+0x31/0x70
[ 4518.644864][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4518.644864][   T10] 
[ 4518.646789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.646789][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.646789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.646789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.646789][   T10]      ip6_route_add+0x1c/0x140
[ 4518.646789][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4518.646789][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4518.646789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.646789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.646789][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.646789][   T10]      netlink_unicast+0x449/0x710
[ 4518.646789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.646789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.646789][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.646789][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.646789][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.646789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.646789][   T10] 
[ 4518.648802][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.648802][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.648802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.648802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.648802][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4518.648802][   T10]      ipv6_add_addr+0x411/0x2000
[ 4518.648802][   T10]      inet6_addr_add+0x30e/0xa40
[ 4518.648802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.648802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.648802][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.648802][   T10]      netlink_unicast+0x449/0x710
[ 4518.648802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.648802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.648802][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.648802][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.648802][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.648802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.648802][   T10] 
[ 4518.650822][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.650822][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.650822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.650822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.650822][   T10]      ip6_route_add+0x1c/0x140
[ 4518.650822][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4518.650822][   T10]      addrconf_add_dev+0xe2/0x170
[ 4518.650822][   T10]      inet6_addr_add+0x12f/0xa40
[ 4518.650822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.650822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.650822][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.650822][   T10]      netlink_unicast+0x449/0x710
[ 4518.650822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.650822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.650822][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.650822][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.650822][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.650822][   T10] 
[ 4518.652787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.652787][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4518.652787][   T10]      ipv6_find_idev+0x102/0x170
[ 4518.652787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4518.652787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.652787][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.652787][   T10]      netlink_unicast+0x449/0x710
[ 4518.652787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.652787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.652787][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.652787][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.652787][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.652787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.652787][   T10] 
[ 4518.654340][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4518.654340][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4518.654340][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4518.654340][   T10]      ipv6_find_idev+0x102/0x170
[ 4518.654340][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4518.654340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.654340][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.654340][   T10]      netlink_unicast+0x449/0x710
[ 4518.654340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.654340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.654340][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.654340][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.654340][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.654340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.654340][   T10] 
[ 4518.656076][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4518.656333][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.656333][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4518.656333][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4518.656333][   T10]      fib6_nh_init+0xa22/0x1580
[ 4518.656333][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.656333][   T10]      ip6_route_add+0x1c/0x140
[ 4518.656333][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4518.656333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.656333][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.656333][   T10]      netlink_unicast+0x449/0x710
[ 4518.656333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.656333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.656333][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.656333][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.656333][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.656333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.656333][   T10] 
[ 4518.658215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.658215][   T10]      dst_init+0x84/0x4a0
[ 4518.658215][   T10]      dst_alloc+0x97/0x150
[ 4518.658215][   T10]      ip6_dst_alloc+0x23/0x90
[ 4518.658215][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4518.658215][   T10]      ip6_pol_route+0x56f/0x840
[ 4518.658215][   T10]      fib6_rule_lookup+0x456/0x630
[ 4518.658215][   T10]      ip6_route_input+0x59c/0xa50
[ 4518.658215][   T10]      ipv6_rcv+0x397/0x810
[ 4518.658215][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4518.658215][   T10]      process_backlog+0x101/0x620
[ 4518.658215][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4518.658215][   T10]      net_rx_action+0x495/0xbe0
[ 4518.658215][   T10]      __do_softirq+0x1b5/0x7f6
[ 4518.658215][   T10] 
[ 4518.659853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.659853][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.659853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.659853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.659853][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4518.659853][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4518.659853][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4518.659853][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4518.659853][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4518.659853][   T10]      addrconf_dad_begin+0x310/0x670
[ 4518.659853][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4518.659853][   T10]      process_one_work+0x84d/0x18a0
[ 4518.659853][   T10]      worker_thread+0x587/0xd30
[ 4518.659853][   T10]      kthread+0x28a/0x350
[ 4518.659853][   T10]      ret_from_fork+0x31/0x70
[ 4518.659853][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4518.659853][   T10] 
[ 4518.661774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.661774][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.661774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.661774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.661774][   T10]      ip6_route_add+0x1c/0x140
[ 4518.661774][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4518.661774][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4518.661774][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.661774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.661774][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.661774][   T10]      netlink_unicast+0x449/0x710
[ 4518.661774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.661774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.661774][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.661774][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.661774][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.661774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.661774][   T10] 
[ 4518.663788][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.663788][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.663788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.663788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.663788][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4518.663788][   T10]      ipv6_add_addr+0x411/0x2000
[ 4518.663788][   T10]      inet6_addr_add+0x30e/0xa40
[ 4518.663788][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.663788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.663788][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.663788][   T10]      netlink_unicast+0x449/0x710
[ 4518.663788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.663788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.663788][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.663788][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.663788][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.663788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.663788][   T10] 
[ 4518.665815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.665815][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.665815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.665815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.665815][   T10]      ip6_route_add+0x1c/0x140
[ 4518.665815][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4518.665815][   T10]      addrconf_add_dev+0xe2/0x170
[ 4518.665815][   T10]      inet6_addr_add+0x12f/0xa40
[ 4518.665815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.665815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.665815][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.665815][   T10]      netlink_unicast+0x449/0x710
[ 4518.665815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.665815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.665815][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.665815][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.665815][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.665815][   T10] 
[ 4518.667980][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.667980][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4518.667980][   T10]      ipv6_find_idev+0x102/0x170
[ 4518.667980][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4518.667980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.667980][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.667980][   T10]      netlink_unicast+0x449/0x710
[ 4518.667980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.667980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.667980][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.667980][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.667980][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.667980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.667980][   T10] 
[ 4518.669772][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4518.669772][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4518.669772][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4518.669772][   T10]      ipv6_find_idev+0x102/0x170
[ 4518.669772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4518.669772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.669772][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.669772][   T10]      netlink_unicast+0x449/0x710
[ 4518.669772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.669772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.669772][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.669772][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.669772][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.669772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.669772][   T10] 
[ 4518.671659][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4518.671900][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4518.671900][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.671900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.671900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.671900][   T10]      ip6_route_add+0x1c/0x140
[ 4518.671900][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4518.671900][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4518.671900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.671900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.671900][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.671900][   T10]      netlink_unicast+0x449/0x710
[ 4518.671900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.671900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.671900][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.671900][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.671900][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.671900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.671900][   T10] 
[ 4518.674158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4518.674158][   T10]      netdev_get_by_index+0x5e/0x80
[ 4518.674158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4518.674158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4518.674158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4518.674158][   T10]      ipv6_add_addr+0x411/0x2000
[ 4518.674158][   T10]      inet6_addr_add+0x30e/0xa40
[ 4518.674158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4518.674158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.674158][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.674158][   T10]      netlink_unicast+0x449/0x710
[ 4518.674158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.674158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.674158][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.674158][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.674158][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.674158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.674158][   T10] 
[ 4518.676410][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4518.676410][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4518.676410][   T10]      ipv6_find_idev+0x102/0x170
[ 4518.676410][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4518.676410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.676410][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.676410][   T10]      netlink_unicast+0x449/0x710
[ 4518.676410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.676410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.676410][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.676410][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.676410][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.676410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.676410][   T10] 
[ 4518.678199][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4518.678199][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4518.678199][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4518.678199][   T10]      ipv6_find_idev+0x102/0x170
[ 4518.678199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4518.678199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4518.678199][   T10]      netlink_rcv_skb+0x130/0x360
[ 4518.678199][   T10]      netlink_unicast+0x449/0x710
[ 4518.678199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4518.678199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4518.678199][   T10]      ___sys_sendmsg+0xee/0x170
[ 4518.678199][   T10]      __sys_sendmsg+0xcd/0x170
[ 4518.678199][   T10]      do_syscall_64+0xc6/0x1e0
[ 4518.678199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4518.678199][   T10] 
[ 4528.920707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4528.921189][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.921189][   T10]      dst_init+0x84/0x4a0
[ 4528.921189][   T10]      dst_alloc+0x97/0x150
[ 4528.921189][   T10]      ip6_dst_alloc+0x23/0x90
[ 4528.921189][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4528.921189][   T10]      ip6_pol_route+0x56f/0x840
[ 4528.921189][   T10]      fib6_rule_lookup+0x456/0x630
[ 4528.921189][   T10]      ip6_route_input+0x59c/0xa50
[ 4528.921189][   T10]      ipv6_rcv+0x397/0x810
[ 4528.921189][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4528.921189][   T10]      process_backlog+0x101/0x620
[ 4528.921189][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4528.921189][   T10]      net_rx_action+0x495/0xbe0
[ 4528.921189][   T10]      __do_softirq+0x1b5/0x7f6
[ 4528.921189][   T10] 
[ 4528.922877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.922877][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4528.922877][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4528.922877][   T10]      fib6_nh_init+0xa22/0x1580
[ 4528.922877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.922877][   T10]      ip6_route_add+0x1c/0x140
[ 4528.922877][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4528.922877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.922877][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.922877][   T10]      netlink_unicast+0x449/0x710
[ 4528.922877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.922877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.922877][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.922877][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.922877][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.922877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.922877][   T10] 
[ 4528.924795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.924795][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.924795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.924795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.924795][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4528.924795][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4528.924795][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4528.924795][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4528.924795][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4528.924795][   T10]      addrconf_dad_begin+0x310/0x670
[ 4528.924795][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4528.924795][   T10]      process_one_work+0x84d/0x18a0
[ 4528.924795][   T10]      worker_thread+0x587/0xd30
[ 4528.924795][   T10]      kthread+0x28a/0x350
[ 4528.924795][   T10]      ret_from_fork+0x31/0x70
[ 4528.924795][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4528.924795][   T10] 
[ 4528.926728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.926728][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.926728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.926728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.926728][   T10]      ip6_route_add+0x1c/0x140
[ 4528.926728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4528.926728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4528.926728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.926728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.926728][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.926728][   T10]      netlink_unicast+0x449/0x710
[ 4528.926728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.926728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.926728][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.926728][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.926728][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.926728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.926728][   T10] 
[ 4528.928728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.928728][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.928728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.928728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.928728][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4528.928728][   T10]      ipv6_add_addr+0x411/0x2000
[ 4528.928728][   T10]      inet6_addr_add+0x30e/0xa40
[ 4528.928728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.928728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.928728][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.928728][   T10]      netlink_unicast+0x449/0x710
[ 4528.928728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.928728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.928728][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.928728][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.928728][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.928728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.928728][   T10] 
[ 4528.930733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.930733][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.930733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.930733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.930733][   T10]      ip6_route_add+0x1c/0x140
[ 4528.930733][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4528.930733][   T10]      addrconf_add_dev+0xe2/0x170
[ 4528.930733][   T10]      inet6_addr_add+0x12f/0xa40
[ 4528.930733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.930733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.930733][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.930733][   T10]      netlink_unicast+0x449/0x710
[ 4528.930733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.930733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.930733][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.930733][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.930733][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.930733][   T10] 
[ 4528.932729][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.932729][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4528.932729][   T10]      ipv6_find_idev+0x102/0x170
[ 4528.932729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4528.932729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.932729][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.932729][   T10]      netlink_unicast+0x449/0x710
[ 4528.932729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.932729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.932729][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.932729][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.932729][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.932729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.932729][   T10] 
[ 4528.934271][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4528.934271][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4528.934271][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4528.934271][   T10]      ipv6_find_idev+0x102/0x170
[ 4528.934271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4528.934271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.934271][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.934271][   T10]      netlink_unicast+0x449/0x710
[ 4528.934271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.934271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.934271][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.934271][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.934271][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.934271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.934271][   T10] 
[ 4528.935996][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4528.936238][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.936238][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4528.936238][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4528.936238][   T10]      fib6_nh_init+0xa22/0x1580
[ 4528.936238][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.936238][   T10]      ip6_route_add+0x1c/0x140
[ 4528.936238][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4528.936238][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.936238][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.936238][   T10]      netlink_unicast+0x449/0x710
[ 4528.936238][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.936238][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.936238][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.936238][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.936238][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.936238][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.936238][   T10] 
[ 4528.938140][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.938140][   T10]      dst_init+0x84/0x4a0
[ 4528.938140][   T10]      dst_alloc+0x97/0x150
[ 4528.938140][   T10]      ip6_dst_alloc+0x23/0x90
[ 4528.938140][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4528.938140][   T10]      ip6_pol_route+0x56f/0x840
[ 4528.938140][   T10]      fib6_rule_lookup+0x456/0x630
[ 4528.938140][   T10]      ip6_route_input+0x59c/0xa50
[ 4528.938140][   T10]      ipv6_rcv+0x397/0x810
[ 4528.938140][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4528.938140][   T10]      process_backlog+0x101/0x620
[ 4528.938140][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4528.938140][   T10]      net_rx_action+0x495/0xbe0
[ 4528.938140][   T10]      __do_softirq+0x1b5/0x7f6
[ 4528.938140][   T10] 
[ 4528.939781][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.939781][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.939781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.939781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.939781][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4528.939781][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4528.939781][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4528.939781][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4528.939781][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4528.939781][   T10]      addrconf_dad_begin+0x310/0x670
[ 4528.939781][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4528.939781][   T10]      process_one_work+0x84d/0x18a0
[ 4528.939781][   T10]      worker_thread+0x587/0xd30
[ 4528.939781][   T10]      kthread+0x28a/0x350
[ 4528.939781][   T10]      ret_from_fork+0x31/0x70
[ 4528.939781][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4528.939781][   T10] 
[ 4528.941696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.941696][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.941696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.941696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.941696][   T10]      ip6_route_add+0x1c/0x140
[ 4528.941696][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4528.941696][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4528.941696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.941696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.941696][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.941696][   T10]      netlink_unicast+0x449/0x710
[ 4528.941696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.941696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.941696][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.941696][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.941696][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.941696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.941696][   T10] 
[ 4528.943702][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.943702][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.943702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.943702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.943702][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4528.943702][   T10]      ipv6_add_addr+0x411/0x2000
[ 4528.943702][   T10]      inet6_addr_add+0x30e/0xa40
[ 4528.943702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.943702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.943702][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.943702][   T10]      netlink_unicast+0x449/0x710
[ 4528.943702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.943702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.943702][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.943702][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.943702][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.943702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.943702][   T10] 
[ 4528.945725][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.945725][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.945725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.945725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.945725][   T10]      ip6_route_add+0x1c/0x140
[ 4528.945725][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4528.945725][   T10]      addrconf_add_dev+0xe2/0x170
[ 4528.945725][   T10]      inet6_addr_add+0x12f/0xa40
[ 4528.945725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.945725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.945725][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.945725][   T10]      netlink_unicast+0x449/0x710
[ 4528.945725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.945725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.945725][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.945725][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.945725][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.945725][   T10] 
[ 4528.947886][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.947886][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4528.947886][   T10]      ipv6_find_idev+0x102/0x170
[ 4528.947886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4528.947886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.947886][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.947886][   T10]      netlink_unicast+0x449/0x710
[ 4528.947886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.947886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.947886][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.947886][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.947886][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.947886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.947886][   T10] 
[ 4528.949616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4528.949616][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4528.949616][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4528.949616][   T10]      ipv6_find_idev+0x102/0x170
[ 4528.949616][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4528.949616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.949616][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.949616][   T10]      netlink_unicast+0x449/0x710
[ 4528.949616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.949616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.949616][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.949616][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.949616][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.949616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.949616][   T10] 
[ 4528.951559][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4528.951807][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4528.951807][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.951807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.951807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.951807][   T10]      ip6_route_add+0x1c/0x140
[ 4528.951807][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4528.951807][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4528.951807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.951807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.951807][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.951807][   T10]      netlink_unicast+0x449/0x710
[ 4528.951807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.951807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.951807][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.951807][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.951807][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.951807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.951807][   T10] 
[ 4528.954070][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4528.954070][   T10]      netdev_get_by_index+0x5e/0x80
[ 4528.954070][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4528.954070][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4528.954070][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4528.954070][   T10]      ipv6_add_addr+0x411/0x2000
[ 4528.954070][   T10]      inet6_addr_add+0x30e/0xa40
[ 4528.954070][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4528.954070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.954070][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.954070][   T10]      netlink_unicast+0x449/0x710
[ 4528.954070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.954070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.954070][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.954070][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.954070][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.954070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.954070][   T10] 
[ 4528.956325][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4528.956325][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4528.956325][   T10]      ipv6_find_idev+0x102/0x170
[ 4528.956325][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4528.956325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.956325][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.956325][   T10]      netlink_unicast+0x449/0x710
[ 4528.956325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.956325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.956325][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.956325][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.956325][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.956325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.956325][   T10] 
[ 4528.958049][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4528.958049][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4528.958049][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4528.958049][   T10]      ipv6_find_idev+0x102/0x170
[ 4528.958049][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4528.958049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4528.958049][   T10]      netlink_rcv_skb+0x130/0x360
[ 4528.958049][   T10]      netlink_unicast+0x449/0x710
[ 4528.958049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4528.958049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4528.958049][   T10]      ___sys_sendmsg+0xee/0x170
[ 4528.958049][   T10]      __sys_sendmsg+0xcd/0x170
[ 4528.958049][   T10]      do_syscall_64+0xc6/0x1e0
[ 4528.958049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4528.958049][   T10] 
[ 4539.203760][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4539.204245][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.204245][   T10]      dst_init+0x84/0x4a0
[ 4539.204245][   T10]      dst_alloc+0x97/0x150
[ 4539.204245][   T10]      ip6_dst_alloc+0x23/0x90
[ 4539.204245][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4539.204245][   T10]      ip6_pol_route+0x56f/0x840
[ 4539.204245][   T10]      fib6_rule_lookup+0x456/0x630
[ 4539.204245][   T10]      ip6_route_input+0x59c/0xa50
[ 4539.204245][   T10]      ipv6_rcv+0x397/0x810
[ 4539.204245][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4539.204245][   T10]      process_backlog+0x101/0x620
[ 4539.204245][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4539.204245][   T10]      net_rx_action+0x495/0xbe0
[ 4539.204245][   T10]      __do_softirq+0x1b5/0x7f6
[ 4539.204245][   T10] 
[ 4539.205991][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.205991][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4539.205991][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4539.205991][   T10]      fib6_nh_init+0xa22/0x1580
[ 4539.205991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.205991][   T10]      ip6_route_add+0x1c/0x140
[ 4539.205991][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4539.205991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.205991][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.205991][   T10]      netlink_unicast+0x449/0x710
[ 4539.205991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.205991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.205991][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.205991][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.205991][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.205991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.205991][   T10] 
[ 4539.207936][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.207936][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.207936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.207936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.207936][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4539.207936][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4539.207936][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4539.207936][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4539.207936][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4539.207936][   T10]      addrconf_dad_begin+0x310/0x670
[ 4539.207936][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4539.207936][   T10]      process_one_work+0x84d/0x18a0
[ 4539.207936][   T10]      worker_thread+0x587/0xd30
[ 4539.207936][   T10]      kthread+0x28a/0x350
[ 4539.207936][   T10]      ret_from_fork+0x31/0x70
[ 4539.207936][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4539.207936][   T10] 
[ 4539.209902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.209902][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.209902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.209902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.209902][   T10]      ip6_route_add+0x1c/0x140
[ 4539.209902][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4539.209902][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4539.209902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.209902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.209902][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.209902][   T10]      netlink_unicast+0x449/0x710
[ 4539.209902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.209902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.209902][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.209902][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.209902][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.209902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.209902][   T10] 
[ 4539.211973][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.211973][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.211973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.211973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.211973][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4539.211973][   T10]      ipv6_add_addr+0x411/0x2000
[ 4539.211973][   T10]      inet6_addr_add+0x30e/0xa40
[ 4539.211973][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.211973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.211973][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.211973][   T10]      netlink_unicast+0x449/0x710
[ 4539.211973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.211973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.211973][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.211973][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.211973][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.211973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.211973][   T10] 
[ 4539.214020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.214020][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.214020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.214020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.214020][   T10]      ip6_route_add+0x1c/0x140
[ 4539.214020][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4539.214020][   T10]      addrconf_add_dev+0xe2/0x170
[ 4539.214020][   T10]      inet6_addr_add+0x12f/0xa40
[ 4539.214020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.214020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.214020][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.214020][   T10]      netlink_unicast+0x449/0x710
[ 4539.214020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.214020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.214020][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.214020][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.214020][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.214020][   T10] 
[ 4539.216049][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.216049][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4539.216049][   T10]      ipv6_find_idev+0x102/0x170
[ 4539.216049][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4539.216049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.216049][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.216049][   T10]      netlink_unicast+0x449/0x710
[ 4539.216049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.216049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.216049][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.216049][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.216049][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.216049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.216049][   T10] 
[ 4539.217635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4539.217635][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4539.217635][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4539.217635][   T10]      ipv6_find_idev+0x102/0x170
[ 4539.217635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4539.217635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.217635][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.217635][   T10]      netlink_unicast+0x449/0x710
[ 4539.217635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.217635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.217635][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.217635][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.217635][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.217635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.217635][   T10] 
[ 4539.219391][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4539.219664][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.219664][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4539.219664][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4539.219664][   T10]      fib6_nh_init+0xa22/0x1580
[ 4539.219664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.219664][   T10]      ip6_route_add+0x1c/0x140
[ 4539.219664][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4539.219664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.219664][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.219664][   T10]      netlink_unicast+0x449/0x710
[ 4539.219664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.219664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.219664][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.219664][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.219664][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.219664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.219664][   T10] 
[ 4539.221592][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.221592][   T10]      dst_init+0x84/0x4a0
[ 4539.221592][   T10]      dst_alloc+0x97/0x150
[ 4539.221592][   T10]      ip6_dst_alloc+0x23/0x90
[ 4539.221592][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4539.221592][   T10]      ip6_pol_route+0x56f/0x840
[ 4539.221592][   T10]      fib6_rule_lookup+0x456/0x630
[ 4539.221592][   T10]      ip6_route_input+0x59c/0xa50
[ 4539.221592][   T10]      ipv6_rcv+0x397/0x810
[ 4539.221592][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4539.221592][   T10]      process_backlog+0x101/0x620
[ 4539.221592][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4539.221592][   T10]      net_rx_action+0x495/0xbe0
[ 4539.221592][   T10]      __do_softirq+0x1b5/0x7f6
[ 4539.221592][   T10] 
[ 4539.223265][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.223265][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.223265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.223265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.223265][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4539.223265][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4539.223265][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4539.223265][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4539.223265][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4539.223265][   T10]      addrconf_dad_begin+0x310/0x670
[ 4539.223265][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4539.223265][   T10]      process_one_work+0x84d/0x18a0
[ 4539.223265][   T10]      worker_thread+0x587/0xd30
[ 4539.223265][   T10]      kthread+0x28a/0x350
[ 4539.223265][   T10]      ret_from_fork+0x31/0x70
[ 4539.223265][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4539.223265][   T10] 
[ 4539.225230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.225230][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.225230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.225230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.225230][   T10]      ip6_route_add+0x1c/0x140
[ 4539.225230][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4539.225230][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4539.225230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.225230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.225230][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.225230][   T10]      netlink_unicast+0x449/0x710
[ 4539.225230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.225230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.225230][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.225230][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.225230][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.225230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.225230][   T10] 
[ 4539.227293][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.227293][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.227293][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.227293][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.227293][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4539.227293][   T10]      ipv6_add_addr+0x411/0x2000
[ 4539.227293][   T10]      inet6_addr_add+0x30e/0xa40
[ 4539.227293][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.227293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.227293][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.227293][   T10]      netlink_unicast+0x449/0x710
[ 4539.227293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.227293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.227293][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.227293][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.227293][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.227293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.227293][   T10] 
[ 4539.229350][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.229350][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.229350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.229350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.229350][   T10]      ip6_route_add+0x1c/0x140
[ 4539.229350][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4539.229350][   T10]      addrconf_add_dev+0xe2/0x170
[ 4539.229350][   T10]      inet6_addr_add+0x12f/0xa40
[ 4539.229350][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.229350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.229350][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.229350][   T10]      netlink_unicast+0x449/0x710
[ 4539.229350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.229350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.229350][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.229350][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.229350][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.229350][   T10] 
[ 4539.231572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.231572][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4539.231572][   T10]      ipv6_find_idev+0x102/0x170
[ 4539.231572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4539.231572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.231572][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.231572][   T10]      netlink_unicast+0x449/0x710
[ 4539.231572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.231572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.231572][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.231572][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.231572][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.231572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.231572][   T10] 
[ 4539.233396][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4539.233396][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4539.233396][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4539.233396][   T10]      ipv6_find_idev+0x102/0x170
[ 4539.233396][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4539.233396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.233396][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.233396][   T10]      netlink_unicast+0x449/0x710
[ 4539.233396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.233396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.233396][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.233396][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.233396][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.233396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.233396][   T10] 
[ 4539.235330][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4539.235578][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4539.235578][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.235578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.235578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.235578][   T10]      ip6_route_add+0x1c/0x140
[ 4539.235578][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4539.235578][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4539.235578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.235578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.235578][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.235578][   T10]      netlink_unicast+0x449/0x710
[ 4539.235578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.235578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.235578][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.235578][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.235578][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.235578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.235578][   T10] 
[ 4539.237882][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4539.237882][   T10]      netdev_get_by_index+0x5e/0x80
[ 4539.237882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4539.237882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4539.237882][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4539.237882][   T10]      ipv6_add_addr+0x411/0x2000
[ 4539.237882][   T10]      inet6_addr_add+0x30e/0xa40
[ 4539.237882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4539.237882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.237882][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.237882][   T10]      netlink_unicast+0x449/0x710
[ 4539.237882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.237882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.237882][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.237882][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.237882][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.237882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.237882][   T10] 
[ 4539.240165][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4539.240165][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4539.240165][   T10]      ipv6_find_idev+0x102/0x170
[ 4539.240165][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4539.240165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.240165][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.240165][   T10]      netlink_unicast+0x449/0x710
[ 4539.240165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.240165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.240165][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.240165][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.240165][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.240165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.240165][   T10] 
[ 4539.241983][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4539.241983][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4539.241983][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4539.241983][   T10]      ipv6_find_idev+0x102/0x170
[ 4539.241983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4539.241983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4539.241983][   T10]      netlink_rcv_skb+0x130/0x360
[ 4539.241983][   T10]      netlink_unicast+0x449/0x710
[ 4539.241983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4539.241983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4539.241983][   T10]      ___sys_sendmsg+0xee/0x170
[ 4539.241983][   T10]      __sys_sendmsg+0xcd/0x170
[ 4539.241983][   T10]      do_syscall_64+0xc6/0x1e0
[ 4539.241983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4539.241983][   T10] 
[ 4549.482874][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4549.483341][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.483341][   T10]      dst_init+0x84/0x4a0
[ 4549.483341][   T10]      dst_alloc+0x97/0x150
[ 4549.483341][   T10]      ip6_dst_alloc+0x23/0x90
[ 4549.483341][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4549.483341][   T10]      ip6_pol_route+0x56f/0x840
[ 4549.483341][   T10]      fib6_rule_lookup+0x456/0x630
[ 4549.483341][   T10]      ip6_route_input+0x59c/0xa50
[ 4549.483341][   T10]      ipv6_rcv+0x397/0x810
[ 4549.483341][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4549.483341][   T10]      process_backlog+0x101/0x620
[ 4549.483341][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4549.483341][   T10]      net_rx_action+0x495/0xbe0
[ 4549.483341][   T10]      __do_softirq+0x1b5/0x7f6
[ 4549.483341][   T10] 
[ 4549.485079][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.485079][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4549.485079][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4549.485079][   T10]      fib6_nh_init+0xa22/0x1580
[ 4549.485079][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.485079][   T10]      ip6_route_add+0x1c/0x140
[ 4549.485079][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4549.485079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.485079][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.485079][   T10]      netlink_unicast+0x449/0x710
[ 4549.485079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.485079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.485079][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.485079][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.485079][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.485079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.485079][   T10] 
[ 4549.487052][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.487052][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.487052][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.487052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.487052][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4549.487052][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4549.487052][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4549.487052][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4549.487052][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4549.487052][   T10]      addrconf_dad_begin+0x310/0x670
[ 4549.487052][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4549.487052][   T10]      process_one_work+0x84d/0x18a0
[ 4549.487052][   T10]      worker_thread+0x587/0xd30
[ 4549.487052][   T10]      kthread+0x28a/0x350
[ 4549.487052][   T10]      ret_from_fork+0x31/0x70
[ 4549.487052][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4549.487052][   T10] 
[ 4549.489033][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.489033][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.489033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.489033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.489033][   T10]      ip6_route_add+0x1c/0x140
[ 4549.489033][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4549.489033][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4549.489033][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.489033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.489033][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.489033][   T10]      netlink_unicast+0x449/0x710
[ 4549.489033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.489033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.489033][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.489033][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.489033][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.489033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.489033][   T10] 
[ 4549.491085][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.491085][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.491085][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.491085][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.491085][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4549.491085][   T10]      ipv6_add_addr+0x411/0x2000
[ 4549.491085][   T10]      inet6_addr_add+0x30e/0xa40
[ 4549.491085][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.491085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.491085][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.491085][   T10]      netlink_unicast+0x449/0x710
[ 4549.491085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.491085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.491085][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.491085][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.491085][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.491085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.491085][   T10] 
[ 4549.493133][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.493133][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.493133][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.493133][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.493133][   T10]      ip6_route_add+0x1c/0x140
[ 4549.493133][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4549.493133][   T10]      addrconf_add_dev+0xe2/0x170
[ 4549.493133][   T10]      inet6_addr_add+0x12f/0xa40
[ 4549.493133][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.493133][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.493133][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.493133][   T10]      netlink_unicast+0x449/0x710
[ 4549.493133][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.493133][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.493133][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.493133][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.493133][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.493133][   T10] 
[ 4549.495155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.495155][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4549.495155][   T10]      ipv6_find_idev+0x102/0x170
[ 4549.495155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4549.495155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.495155][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.495155][   T10]      netlink_unicast+0x449/0x710
[ 4549.495155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.495155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.495155][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.495155][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.495155][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.495155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.495155][   T10] 
[ 4549.496743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4549.496743][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4549.496743][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4549.496743][   T10]      ipv6_find_idev+0x102/0x170
[ 4549.496743][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4549.496743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.496743][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.496743][   T10]      netlink_unicast+0x449/0x710
[ 4549.496743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.496743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.496743][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.496743][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.496743][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.496743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.496743][   T10] 
[ 4549.498497][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4549.498760][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.498760][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4549.498760][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4549.498760][   T10]      fib6_nh_init+0xa22/0x1580
[ 4549.498760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.498760][   T10]      ip6_route_add+0x1c/0x140
[ 4549.498760][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4549.498760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.498760][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.498760][   T10]      netlink_unicast+0x449/0x710
[ 4549.498760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.498760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.498760][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.498760][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.498760][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.498760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.498760][   T10] 
[ 4549.500698][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.500698][   T10]      dst_init+0x84/0x4a0
[ 4549.500698][   T10]      dst_alloc+0x97/0x150
[ 4549.500698][   T10]      ip6_dst_alloc+0x23/0x90
[ 4549.500698][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4549.500698][   T10]      ip6_pol_route+0x56f/0x840
[ 4549.500698][   T10]      fib6_rule_lookup+0x456/0x630
[ 4549.500698][   T10]      ip6_route_input+0x59c/0xa50
[ 4549.500698][   T10]      ipv6_rcv+0x397/0x810
[ 4549.500698][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4549.500698][   T10]      process_backlog+0x101/0x620
[ 4549.500698][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4549.500698][   T10]      net_rx_action+0x495/0xbe0
[ 4549.500698][   T10]      __do_softirq+0x1b5/0x7f6
[ 4549.500698][   T10] 
[ 4549.502377][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.502377][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.502377][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.502377][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.502377][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4549.502377][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4549.502377][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4549.502377][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4549.502377][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4549.502377][   T10]      addrconf_dad_begin+0x310/0x670
[ 4549.502377][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4549.502377][   T10]      process_one_work+0x84d/0x18a0
[ 4549.502377][   T10]      worker_thread+0x587/0xd30
[ 4549.502377][   T10]      kthread+0x28a/0x350
[ 4549.502377][   T10]      ret_from_fork+0x31/0x70
[ 4549.502377][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4549.502377][   T10] 
[ 4549.504337][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.504337][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.504337][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.504337][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.504337][   T10]      ip6_route_add+0x1c/0x140
[ 4549.504337][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4549.504337][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4549.504337][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.504337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.504337][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.504337][   T10]      netlink_unicast+0x449/0x710
[ 4549.504337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.504337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.504337][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.504337][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.504337][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.504337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.504337][   T10] 
[ 4549.506396][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.506396][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.506396][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.506396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.506396][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4549.506396][   T10]      ipv6_add_addr+0x411/0x2000
[ 4549.506396][   T10]      inet6_addr_add+0x30e/0xa40
[ 4549.506396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.506396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.506396][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.506396][   T10]      netlink_unicast+0x449/0x710
[ 4549.506396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.506396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.506396][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.506396][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.506396][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.506396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.506396][   T10] 
[ 4549.508453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.508453][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.508453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.508453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.508453][   T10]      ip6_route_add+0x1c/0x140
[ 4549.508453][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4549.508453][   T10]      addrconf_add_dev+0xe2/0x170
[ 4549.508453][   T10]      inet6_addr_add+0x12f/0xa40
[ 4549.508453][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.508453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.508453][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.508453][   T10]      netlink_unicast+0x449/0x710
[ 4549.508453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.508453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.508453][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.508453][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.508453][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.508453][   T10] 
[ 4549.510659][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.510659][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4549.510659][   T10]      ipv6_find_idev+0x102/0x170
[ 4549.510659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4549.510659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.510659][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.510659][   T10]      netlink_unicast+0x449/0x710
[ 4549.510659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.510659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.510659][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.510659][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.510659][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.510659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.510659][   T10] 
[ 4549.512415][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4549.512415][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4549.512415][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4549.512415][   T10]      ipv6_find_idev+0x102/0x170
[ 4549.512415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4549.512415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.512415][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.512415][   T10]      netlink_unicast+0x449/0x710
[ 4549.512415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.512415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.512415][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.512415][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.512415][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.512415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.512415][   T10] 
[ 4549.514411][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4549.514680][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4549.514680][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.514680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.514680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.514680][   T10]      ip6_route_add+0x1c/0x140
[ 4549.514680][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4549.514680][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4549.514680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.514680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.514680][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.514680][   T10]      netlink_unicast+0x449/0x710
[ 4549.514680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.514680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.514680][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.514680][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.514680][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.514680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.514680][   T10] 
[ 4549.516972][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4549.516972][   T10]      netdev_get_by_index+0x5e/0x80
[ 4549.516972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4549.516972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4549.516972][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4549.516972][   T10]      ipv6_add_addr+0x411/0x2000
[ 4549.516972][   T10]      inet6_addr_add+0x30e/0xa40
[ 4549.516972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4549.516972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.516972][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.516972][   T10]      netlink_unicast+0x449/0x710
[ 4549.516972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.516972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.516972][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.516972][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.516972][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.516972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.516972][   T10] 
[ 4549.519241][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4549.519241][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4549.519241][   T10]      ipv6_find_idev+0x102/0x170
[ 4549.519241][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4549.519241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.519241][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.519241][   T10]      netlink_unicast+0x449/0x710
[ 4549.519241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.519241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.519241][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.519241][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.519241][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.519241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.519241][   T10] 
[ 4549.520995][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4549.520995][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4549.520995][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4549.520995][   T10]      ipv6_find_idev+0x102/0x170
[ 4549.520995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4549.520995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4549.520995][   T10]      netlink_rcv_skb+0x130/0x360
[ 4549.520995][   T10]      netlink_unicast+0x449/0x710
[ 4549.520995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4549.520995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4549.520995][   T10]      ___sys_sendmsg+0xee/0x170
[ 4549.520995][   T10]      __sys_sendmsg+0xcd/0x170
[ 4549.520995][   T10]      do_syscall_64+0xc6/0x1e0
[ 4549.520995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4549.520995][   T10] 
[ 4559.762818][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4559.763298][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.763298][   T10]      dst_init+0x84/0x4a0
[ 4559.763298][   T10]      dst_alloc+0x97/0x150
[ 4559.763298][   T10]      ip6_dst_alloc+0x23/0x90
[ 4559.763298][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4559.763298][   T10]      ip6_pol_route+0x56f/0x840
[ 4559.763298][   T10]      fib6_rule_lookup+0x456/0x630
[ 4559.763298][   T10]      ip6_route_input+0x59c/0xa50
[ 4559.763298][   T10]      ipv6_rcv+0x397/0x810
[ 4559.763298][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4559.763298][   T10]      process_backlog+0x101/0x620
[ 4559.763298][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4559.763298][   T10]      net_rx_action+0x495/0xbe0
[ 4559.763298][   T10]      __do_softirq+0x1b5/0x7f6
[ 4559.763298][   T10] 
[ 4559.765040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.765040][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4559.765040][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4559.765040][   T10]      fib6_nh_init+0xa22/0x1580
[ 4559.765040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.765040][   T10]      ip6_route_add+0x1c/0x140
[ 4559.765040][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4559.765040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.765040][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.765040][   T10]      netlink_unicast+0x449/0x710
[ 4559.765040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.765040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.765040][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.765040][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.765040][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.765040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.765040][   T10] 
[ 4559.767000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.767000][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.767000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.767000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.767000][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4559.767000][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4559.767000][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4559.767000][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4559.767000][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4559.767000][   T10]      addrconf_dad_begin+0x310/0x670
[ 4559.767000][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4559.767000][   T10]      process_one_work+0x84d/0x18a0
[ 4559.767000][   T10]      worker_thread+0x587/0xd30
[ 4559.767000][   T10]      kthread+0x28a/0x350
[ 4559.767000][   T10]      ret_from_fork+0x31/0x70
[ 4559.767000][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4559.767000][   T10] 
[ 4559.768967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.768967][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.768967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.768967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.768967][   T10]      ip6_route_add+0x1c/0x140
[ 4559.768967][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4559.768967][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4559.768967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.768967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.768967][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.768967][   T10]      netlink_unicast+0x449/0x710
[ 4559.768967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.768967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.768967][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.768967][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.768967][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.768967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.768967][   T10] 
[ 4559.771009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.771009][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.771009][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.771009][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.771009][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4559.771009][   T10]      ipv6_add_addr+0x411/0x2000
[ 4559.771009][   T10]      inet6_addr_add+0x30e/0xa40
[ 4559.771009][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.771009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.771009][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.771009][   T10]      netlink_unicast+0x449/0x710
[ 4559.771009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.771009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.771009][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.771009][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.771009][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.771009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.771009][   T10] 
[ 4559.773066][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.773066][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.773066][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.773066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.773066][   T10]      ip6_route_add+0x1c/0x140
[ 4559.773066][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4559.773066][   T10]      addrconf_add_dev+0xe2/0x170
[ 4559.773066][   T10]      inet6_addr_add+0x12f/0xa40
[ 4559.773066][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.773066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.773066][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.773066][   T10]      netlink_unicast+0x449/0x710
[ 4559.773066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.773066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.773066][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.773066][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.773066][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.773066][   T10] 
[ 4559.775087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.775087][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4559.775087][   T10]      ipv6_find_idev+0x102/0x170
[ 4559.775087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4559.775087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.775087][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.775087][   T10]      netlink_unicast+0x449/0x710
[ 4559.775087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.775087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.775087][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.775087][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.775087][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.775087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.775087][   T10] 
[ 4559.776671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4559.776671][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4559.776671][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4559.776671][   T10]      ipv6_find_idev+0x102/0x170
[ 4559.776671][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4559.776671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.776671][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.776671][   T10]      netlink_unicast+0x449/0x710
[ 4559.776671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.776671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.776671][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.776671][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.776671][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.776671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.776671][   T10] 
[ 4559.778396][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4559.778755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.778755][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4559.778755][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4559.778755][   T10]      fib6_nh_init+0xa22/0x1580
[ 4559.778755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.778755][   T10]      ip6_route_add+0x1c/0x140
[ 4559.778755][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4559.778755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.778755][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.778755][   T10]      netlink_unicast+0x449/0x710
[ 4559.778755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.778755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.778755][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.778755][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.778755][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.778755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.778755][   T10] 
[ 4559.780663][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.780663][   T10]      dst_init+0x84/0x4a0
[ 4559.780663][   T10]      dst_alloc+0x97/0x150
[ 4559.780663][   T10]      ip6_dst_alloc+0x23/0x90
[ 4559.780663][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4559.780663][   T10]      ip6_pol_route+0x56f/0x840
[ 4559.780663][   T10]      fib6_rule_lookup+0x456/0x630
[ 4559.780663][   T10]      ip6_route_input+0x59c/0xa50
[ 4559.780663][   T10]      ipv6_rcv+0x397/0x810
[ 4559.780663][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4559.780663][   T10]      process_backlog+0x101/0x620
[ 4559.780663][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4559.780663][   T10]      net_rx_action+0x495/0xbe0
[ 4559.780663][   T10]      __do_softirq+0x1b5/0x7f6
[ 4559.780663][   T10] 
[ 4559.782300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.782300][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.782300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.782300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.782300][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4559.782300][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4559.782300][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4559.782300][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4559.782300][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4559.782300][   T10]      addrconf_dad_begin+0x310/0x670
[ 4559.782300][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4559.782300][   T10]      process_one_work+0x84d/0x18a0
[ 4559.782300][   T10]      worker_thread+0x587/0xd30
[ 4559.782300][   T10]      kthread+0x28a/0x350
[ 4559.782300][   T10]      ret_from_fork+0x31/0x70
[ 4559.782300][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4559.782300][   T10] 
[ 4559.784213][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.784213][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.784213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.784213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.784213][   T10]      ip6_route_add+0x1c/0x140
[ 4559.784213][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4559.784213][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4559.784213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.784213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.784213][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.784213][   T10]      netlink_unicast+0x449/0x710
[ 4559.784213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.784213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.784213][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.784213][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.784213][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.784213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.784213][   T10] 
[ 4559.786230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.786230][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.786230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.786230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.786230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4559.786230][   T10]      ipv6_add_addr+0x411/0x2000
[ 4559.786230][   T10]      inet6_addr_add+0x30e/0xa40
[ 4559.786230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.786230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.786230][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.786230][   T10]      netlink_unicast+0x449/0x710
[ 4559.786230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.786230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.786230][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.786230][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.786230][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.786230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.786230][   T10] 
[ 4559.788254][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.788254][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.788254][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.788254][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.788254][   T10]      ip6_route_add+0x1c/0x140
[ 4559.788254][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4559.788254][   T10]      addrconf_add_dev+0xe2/0x170
[ 4559.788254][   T10]      inet6_addr_add+0x12f/0xa40
[ 4559.788254][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.788254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.788254][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.788254][   T10]      netlink_unicast+0x449/0x710
[ 4559.788254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.788254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.788254][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.788254][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.788254][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.788254][   T10] 
[ 4559.790406][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.790406][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4559.790406][   T10]      ipv6_find_idev+0x102/0x170
[ 4559.790406][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4559.790406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.790406][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.790406][   T10]      netlink_unicast+0x449/0x710
[ 4559.790406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.790406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.790406][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.790406][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.790406][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.790406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.790406][   T10] 
[ 4559.792193][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4559.792193][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4559.792193][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4559.792193][   T10]      ipv6_find_idev+0x102/0x170
[ 4559.792193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4559.792193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.792193][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.792193][   T10]      netlink_unicast+0x449/0x710
[ 4559.792193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.792193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.792193][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.792193][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.792193][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.792193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.792193][   T10] 
[ 4559.794080][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4559.794320][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4559.794320][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.794320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.794320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.794320][   T10]      ip6_route_add+0x1c/0x140
[ 4559.794320][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4559.794320][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4559.794320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.794320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.794320][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.794320][   T10]      netlink_unicast+0x449/0x710
[ 4559.794320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.794320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.794320][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.794320][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.794320][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.794320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.794320][   T10] 
[ 4559.796604][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4559.796604][   T10]      netdev_get_by_index+0x5e/0x80
[ 4559.796604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4559.796604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4559.796604][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4559.796604][   T10]      ipv6_add_addr+0x411/0x2000
[ 4559.796604][   T10]      inet6_addr_add+0x30e/0xa40
[ 4559.796604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4559.796604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.796604][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.796604][   T10]      netlink_unicast+0x449/0x710
[ 4559.796604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.796604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.796604][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.796604][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.796604][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.796604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.796604][   T10] 
[ 4559.798858][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4559.798858][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4559.798858][   T10]      ipv6_find_idev+0x102/0x170
[ 4559.798858][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4559.798858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.798858][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.798858][   T10]      netlink_unicast+0x449/0x710
[ 4559.798858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.798858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.798858][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.798858][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.798858][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.798858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.798858][   T10] 
[ 4559.800651][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4559.800651][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4559.800651][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4559.800651][   T10]      ipv6_find_idev+0x102/0x170
[ 4559.800651][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4559.800651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4559.800651][   T10]      netlink_rcv_skb+0x130/0x360
[ 4559.800651][   T10]      netlink_unicast+0x449/0x710
[ 4559.800651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4559.800651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4559.800651][   T10]      ___sys_sendmsg+0xee/0x170
[ 4559.800651][   T10]      __sys_sendmsg+0xcd/0x170
[ 4559.800651][   T10]      do_syscall_64+0xc6/0x1e0
[ 4559.800651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4559.800651][   T10] 
[ 4570.058843][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4570.059318][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.059318][   T10]      dst_init+0x84/0x4a0
[ 4570.059318][   T10]      dst_alloc+0x97/0x150
[ 4570.059318][   T10]      ip6_dst_alloc+0x23/0x90
[ 4570.059318][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4570.059318][   T10]      ip6_pol_route+0x56f/0x840
[ 4570.059318][   T10]      fib6_rule_lookup+0x456/0x630
[ 4570.059318][   T10]      ip6_route_input+0x59c/0xa50
[ 4570.059318][   T10]      ipv6_rcv+0x397/0x810
[ 4570.059318][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4570.059318][   T10]      process_backlog+0x101/0x620
[ 4570.059318][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4570.059318][   T10]      net_rx_action+0x495/0xbe0
[ 4570.059318][   T10]      __do_softirq+0x1b5/0x7f6
[ 4570.059318][   T10] 
[ 4570.061042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.061042][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4570.061042][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4570.061042][   T10]      fib6_nh_init+0xa22/0x1580
[ 4570.061042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.061042][   T10]      ip6_route_add+0x1c/0x140
[ 4570.061042][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4570.061042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.061042][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.061042][   T10]      netlink_unicast+0x449/0x710
[ 4570.061042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.061042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.061042][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.061042][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.061042][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.061042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.061042][   T10] 
[ 4570.063009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.063009][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.063009][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.063009][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.063009][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4570.063009][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4570.063009][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4570.063009][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4570.063009][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4570.063009][   T10]      addrconf_dad_begin+0x310/0x670
[ 4570.063009][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4570.063009][   T10]      process_one_work+0x84d/0x18a0
[ 4570.063009][   T10]      worker_thread+0x587/0xd30
[ 4570.063009][   T10]      kthread+0x28a/0x350
[ 4570.063009][   T10]      ret_from_fork+0x31/0x70
[ 4570.063009][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4570.063009][   T10] 
[ 4570.064988][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.064988][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.064988][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.064988][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.064988][   T10]      ip6_route_add+0x1c/0x140
[ 4570.064988][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4570.064988][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4570.064988][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.064988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.064988][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.064988][   T10]      netlink_unicast+0x449/0x710
[ 4570.064988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.064988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.064988][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.064988][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.064988][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.064988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.064988][   T10] 
[ 4570.067057][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.067057][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.067057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.067057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.067057][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4570.067057][   T10]      ipv6_add_addr+0x411/0x2000
[ 4570.067057][   T10]      inet6_addr_add+0x30e/0xa40
[ 4570.067057][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.067057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.067057][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.067057][   T10]      netlink_unicast+0x449/0x710
[ 4570.067057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.067057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.067057][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.067057][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.067057][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.067057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.067057][   T10] 
[ 4570.069106][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.069106][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.069106][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.069106][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.069106][   T10]      ip6_route_add+0x1c/0x140
[ 4570.069106][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4570.069106][   T10]      addrconf_add_dev+0xe2/0x170
[ 4570.069106][   T10]      inet6_addr_add+0x12f/0xa40
[ 4570.069106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.069106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.069106][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.069106][   T10]      netlink_unicast+0x449/0x710
[ 4570.069106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.069106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.069106][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.069106][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.069106][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.069106][   T10] 
[ 4570.071122][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.071122][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4570.071122][   T10]      ipv6_find_idev+0x102/0x170
[ 4570.071122][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4570.071122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.071122][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.071122][   T10]      netlink_unicast+0x449/0x710
[ 4570.071122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.071122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.071122][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.071122][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.071122][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.071122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.071122][   T10] 
[ 4570.072698][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4570.072698][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4570.072698][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4570.072698][   T10]      ipv6_find_idev+0x102/0x170
[ 4570.072698][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4570.072698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.072698][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.072698][   T10]      netlink_unicast+0x449/0x710
[ 4570.072698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.072698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.072698][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.072698][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.072698][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.072698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.072698][   T10] 
[ 4570.074449][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4570.074727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.074727][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4570.074727][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4570.074727][   T10]      fib6_nh_init+0xa22/0x1580
[ 4570.074727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.074727][   T10]      ip6_route_add+0x1c/0x140
[ 4570.074727][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4570.074727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.074727][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.074727][   T10]      netlink_unicast+0x449/0x710
[ 4570.074727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.074727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.074727][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.074727][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.074727][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.074727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.074727][   T10] 
[ 4570.076662][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.076662][   T10]      dst_init+0x84/0x4a0
[ 4570.076662][   T10]      dst_alloc+0x97/0x150
[ 4570.076662][   T10]      ip6_dst_alloc+0x23/0x90
[ 4570.076662][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4570.076662][   T10]      ip6_pol_route+0x56f/0x840
[ 4570.076662][   T10]      fib6_rule_lookup+0x456/0x630
[ 4570.076662][   T10]      ip6_route_input+0x59c/0xa50
[ 4570.076662][   T10]      ipv6_rcv+0x397/0x810
[ 4570.076662][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4570.076662][   T10]      process_backlog+0x101/0x620
[ 4570.076662][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4570.076662][   T10]      net_rx_action+0x495/0xbe0
[ 4570.076662][   T10]      __do_softirq+0x1b5/0x7f6
[ 4570.076662][   T10] 
[ 4570.078300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.078300][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.078300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.078300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.078300][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4570.078300][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4570.078300][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4570.078300][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4570.078300][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4570.078300][   T10]      addrconf_dad_begin+0x310/0x670
[ 4570.078300][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4570.078300][   T10]      process_one_work+0x84d/0x18a0
[ 4570.078300][   T10]      worker_thread+0x587/0xd30
[ 4570.078300][   T10]      kthread+0x28a/0x350
[ 4570.078300][   T10]      ret_from_fork+0x31/0x70
[ 4570.078300][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4570.078300][   T10] 
[ 4570.080216][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.080216][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.080216][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.080216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.080216][   T10]      ip6_route_add+0x1c/0x140
[ 4570.080216][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4570.080216][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4570.080216][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.080216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.080216][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.080216][   T10]      netlink_unicast+0x449/0x710
[ 4570.080216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.080216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.080216][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.080216][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.080216][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.080216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.080216][   T10] 
[ 4570.082225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.082225][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.082225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.082225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.082225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4570.082225][   T10]      ipv6_add_addr+0x411/0x2000
[ 4570.082225][   T10]      inet6_addr_add+0x30e/0xa40
[ 4570.082225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.082225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.082225][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.082225][   T10]      netlink_unicast+0x449/0x710
[ 4570.082225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.082225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.082225][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.082225][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.082225][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.082225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.082225][   T10] 
[ 4570.084233][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.084233][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.084233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.084233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.084233][   T10]      ip6_route_add+0x1c/0x140
[ 4570.084233][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4570.084233][   T10]      addrconf_add_dev+0xe2/0x170
[ 4570.084233][   T10]      inet6_addr_add+0x12f/0xa40
[ 4570.084233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.084233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.084233][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.084233][   T10]      netlink_unicast+0x449/0x710
[ 4570.084233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.084233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.084233][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.084233][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.084233][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.084233][   T10] 
[ 4570.086410][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.086410][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4570.086410][   T10]      ipv6_find_idev+0x102/0x170
[ 4570.086410][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4570.086410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.086410][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.086410][   T10]      netlink_unicast+0x449/0x710
[ 4570.086410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.086410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.086410][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.086410][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.086410][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.086410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.086410][   T10] 
[ 4570.088135][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4570.088135][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4570.088135][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4570.088135][   T10]      ipv6_find_idev+0x102/0x170
[ 4570.088135][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4570.088135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.088135][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.088135][   T10]      netlink_unicast+0x449/0x710
[ 4570.088135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.088135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.088135][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.088135][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.088135][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.088135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.088135][   T10] 
[ 4570.090075][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4570.090323][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4570.090323][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.090323][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.090323][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.090323][   T10]      ip6_route_add+0x1c/0x140
[ 4570.090323][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4570.090323][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4570.090323][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.090323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.090323][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.090323][   T10]      netlink_unicast+0x449/0x710
[ 4570.090323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.090323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.090323][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.090323][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.090323][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.090323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.090323][   T10] 
[ 4570.092579][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4570.092579][   T10]      netdev_get_by_index+0x5e/0x80
[ 4570.092579][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4570.092579][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4570.092579][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4570.092579][   T10]      ipv6_add_addr+0x411/0x2000
[ 4570.092579][   T10]      inet6_addr_add+0x30e/0xa40
[ 4570.092579][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4570.092579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.092579][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.092579][   T10]      netlink_unicast+0x449/0x710
[ 4570.092579][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.092579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.092579][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.092579][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.092579][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.092579][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.092579][   T10] 
[ 4570.094823][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4570.094823][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4570.094823][   T10]      ipv6_find_idev+0x102/0x170
[ 4570.094823][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4570.094823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.094823][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.094823][   T10]      netlink_unicast+0x449/0x710
[ 4570.094823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.094823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.094823][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.094823][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.094823][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.094823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.094823][   T10] 
[ 4570.096549][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4570.096549][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4570.096549][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4570.096549][   T10]      ipv6_find_idev+0x102/0x170
[ 4570.096549][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4570.096549][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4570.096549][   T10]      netlink_rcv_skb+0x130/0x360
[ 4570.096549][   T10]      netlink_unicast+0x449/0x710
[ 4570.096549][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4570.096549][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4570.096549][   T10]      ___sys_sendmsg+0xee/0x170
[ 4570.096549][   T10]      __sys_sendmsg+0xcd/0x170
[ 4570.096549][   T10]      do_syscall_64+0xc6/0x1e0
[ 4570.096549][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4570.096549][   T10] 
[ 4580.168755][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4580.169160][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.169160][   T10]      dst_init+0x84/0x4a0
[ 4580.169160][   T10]      dst_alloc+0x97/0x150
[ 4580.169160][   T10]      ip6_dst_alloc+0x23/0x90
[ 4580.169160][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4580.169160][   T10]      ip6_pol_route+0x56f/0x840
[ 4580.169160][   T10]      fib6_rule_lookup+0x456/0x630
[ 4580.169160][   T10]      ip6_route_input+0x59c/0xa50
[ 4580.169160][   T10]      ipv6_rcv+0x397/0x810
[ 4580.169160][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4580.169160][   T10]      process_backlog+0x101/0x620
[ 4580.169160][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4580.169160][   T10]      net_rx_action+0x495/0xbe0
[ 4580.169160][   T10]      __do_softirq+0x1b5/0x7f6
[ 4580.169160][   T10] 
[ 4580.170894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.170894][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4580.170894][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4580.170894][   T10]      fib6_nh_init+0xa22/0x1580
[ 4580.170894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.170894][   T10]      ip6_route_add+0x1c/0x140
[ 4580.170894][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4580.170894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.170894][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.170894][   T10]      netlink_unicast+0x449/0x710
[ 4580.170894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.170894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.170894][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.170894][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.170894][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.170894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.170894][   T10] 
[ 4580.172854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.172854][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.172854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.172854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.172854][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4580.172854][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4580.172854][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4580.172854][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4580.172854][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4580.172854][   T10]      addrconf_dad_begin+0x310/0x670
[ 4580.172854][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4580.172854][   T10]      process_one_work+0x84d/0x18a0
[ 4580.172854][   T10]      worker_thread+0x587/0xd30
[ 4580.172854][   T10]      kthread+0x28a/0x350
[ 4580.172854][   T10]      ret_from_fork+0x31/0x70
[ 4580.172854][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4580.172854][   T10] 
[ 4580.174838][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.174838][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.174838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.174838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.174838][   T10]      ip6_route_add+0x1c/0x140
[ 4580.174838][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4580.174838][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4580.174838][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.174838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.174838][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.174838][   T10]      netlink_unicast+0x449/0x710
[ 4580.174838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.174838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.174838][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.174838][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.174838][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.174838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.174838][   T10] 
[ 4580.176899][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.176899][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.176899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.176899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.176899][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4580.176899][   T10]      ipv6_add_addr+0x411/0x2000
[ 4580.176899][   T10]      inet6_addr_add+0x30e/0xa40
[ 4580.176899][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.176899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.176899][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.176899][   T10]      netlink_unicast+0x449/0x710
[ 4580.176899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.176899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.176899][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.176899][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.176899][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.176899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.176899][   T10] 
[ 4580.178916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.178916][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.178916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.178916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.178916][   T10]      ip6_route_add+0x1c/0x140
[ 4580.178916][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4580.178916][   T10]      addrconf_add_dev+0xe2/0x170
[ 4580.178916][   T10]      inet6_addr_add+0x12f/0xa40
[ 4580.178916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.178916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.178916][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.178916][   T10]      netlink_unicast+0x449/0x710
[ 4580.178916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.178916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.178916][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.178916][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.178916][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.178916][   T10] 
[ 4580.180886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.180886][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4580.180886][   T10]      ipv6_find_idev+0x102/0x170
[ 4580.180886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4580.180886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.180886][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.180886][   T10]      netlink_unicast+0x449/0x710
[ 4580.180886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.180886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.180886][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.180886][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.180886][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.180886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.180886][   T10] 
[ 4580.182439][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4580.182439][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4580.182439][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4580.182439][   T10]      ipv6_find_idev+0x102/0x170
[ 4580.182439][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4580.182439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.182439][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.182439][   T10]      netlink_unicast+0x449/0x710
[ 4580.182439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.182439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.182439][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.182439][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.182439][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.182439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.182439][   T10] 
[ 4580.184179][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4580.184429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.184429][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4580.184429][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4580.184429][   T10]      fib6_nh_init+0xa22/0x1580
[ 4580.184429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.184429][   T10]      ip6_route_add+0x1c/0x140
[ 4580.184429][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4580.184429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.184429][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.184429][   T10]      netlink_unicast+0x449/0x710
[ 4580.184429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.184429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.184429][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.184429][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.184429][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.184429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.184429][   T10] 
[ 4580.186376][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.186376][   T10]      dst_init+0x84/0x4a0
[ 4580.186376][   T10]      dst_alloc+0x97/0x150
[ 4580.186376][   T10]      ip6_dst_alloc+0x23/0x90
[ 4580.186376][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4580.186376][   T10]      ip6_pol_route+0x56f/0x840
[ 4580.186376][   T10]      fib6_rule_lookup+0x456/0x630
[ 4580.186376][   T10]      ip6_route_input+0x59c/0xa50
[ 4580.186376][   T10]      ipv6_rcv+0x397/0x810
[ 4580.186376][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4580.186376][   T10]      process_backlog+0x101/0x620
[ 4580.186376][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4580.186376][   T10]      net_rx_action+0x495/0xbe0
[ 4580.186376][   T10]      __do_softirq+0x1b5/0x7f6
[ 4580.186376][   T10] 
[ 4580.188062][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.188062][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.188062][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.188062][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.188062][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4580.188062][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4580.188062][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4580.188062][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4580.188062][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4580.188062][   T10]      addrconf_dad_begin+0x310/0x670
[ 4580.188062][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4580.188062][   T10]      process_one_work+0x84d/0x18a0
[ 4580.188062][   T10]      worker_thread+0x587/0xd30
[ 4580.188062][   T10]      kthread+0x28a/0x350
[ 4580.188062][   T10]      ret_from_fork+0x31/0x70
[ 4580.188062][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4580.188062][   T10] 
[ 4580.190025][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.190025][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.190025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.190025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.190025][   T10]      ip6_route_add+0x1c/0x140
[ 4580.190025][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4580.190025][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4580.190025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.190025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.190025][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.190025][   T10]      netlink_unicast+0x449/0x710
[ 4580.190025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.190025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.190025][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.190025][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.190025][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.190025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.190025][   T10] 
[ 4580.192068][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.192068][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.192068][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.192068][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.192068][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4580.192068][   T10]      ipv6_add_addr+0x411/0x2000
[ 4580.192068][   T10]      inet6_addr_add+0x30e/0xa40
[ 4580.192068][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.192068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.192068][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.192068][   T10]      netlink_unicast+0x449/0x710
[ 4580.192068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.192068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.192068][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.192068][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.192068][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.192068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.192068][   T10] 
[ 4580.194134][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.194134][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.194134][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.194134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.194134][   T10]      ip6_route_add+0x1c/0x140
[ 4580.194134][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4580.194134][   T10]      addrconf_add_dev+0xe2/0x170
[ 4580.194134][   T10]      inet6_addr_add+0x12f/0xa40
[ 4580.194134][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.194134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.194134][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.194134][   T10]      netlink_unicast+0x449/0x710
[ 4580.194134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.194134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.194134][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.194134][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.194134][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.194134][   T10] 
[ 4580.196315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.196315][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4580.196315][   T10]      ipv6_find_idev+0x102/0x170
[ 4580.196315][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4580.196315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.196315][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.196315][   T10]      netlink_unicast+0x449/0x710
[ 4580.196315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.196315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.196315][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.196315][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.196315][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.196315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.196315][   T10] 
[ 4580.198139][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4580.198139][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4580.198139][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4580.198139][   T10]      ipv6_find_idev+0x102/0x170
[ 4580.198139][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4580.198139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.198139][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.198139][   T10]      netlink_unicast+0x449/0x710
[ 4580.198139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.198139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.198139][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.198139][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.198139][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.198139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.198139][   T10] 
[ 4580.200060][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4580.200389][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4580.200389][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.200389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.200389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.200389][   T10]      ip6_route_add+0x1c/0x140
[ 4580.200389][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4580.200389][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4580.200389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.200389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.200389][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.200389][   T10]      netlink_unicast+0x449/0x710
[ 4580.200389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.200389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.200389][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.200389][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.200389][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.200389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.200389][   T10] 
[ 4580.202620][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4580.202620][   T10]      netdev_get_by_index+0x5e/0x80
[ 4580.202620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4580.202620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4580.202620][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4580.202620][   T10]      ipv6_add_addr+0x411/0x2000
[ 4580.202620][   T10]      inet6_addr_add+0x30e/0xa40
[ 4580.202620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4580.202620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.202620][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.202620][   T10]      netlink_unicast+0x449/0x710
[ 4580.202620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.202620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.202620][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.202620][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.202620][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.202620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.202620][   T10] 
[ 4580.204831][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4580.204831][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4580.204831][   T10]      ipv6_find_idev+0x102/0x170
[ 4580.204831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4580.204831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.204831][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.204831][   T10]      netlink_unicast+0x449/0x710
[ 4580.204831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.204831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.204831][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.204831][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.204831][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.204831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.204831][   T10] 
[ 4580.206562][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4580.206562][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4580.206562][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4580.206562][   T10]      ipv6_find_idev+0x102/0x170
[ 4580.206562][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4580.206562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4580.206562][   T10]      netlink_rcv_skb+0x130/0x360
[ 4580.206562][   T10]      netlink_unicast+0x449/0x710
[ 4580.206562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4580.206562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4580.206562][   T10]      ___sys_sendmsg+0xee/0x170
[ 4580.206562][   T10]      __sys_sendmsg+0xcd/0x170
[ 4580.206562][   T10]      do_syscall_64+0xc6/0x1e0
[ 4580.206562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4580.206562][   T10] 
[ 4590.408798][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4590.409544][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.409544][   T10]      dst_init+0x84/0x4a0
[ 4590.409544][   T10]      dst_alloc+0x97/0x150
[ 4590.409544][   T10]      ip6_dst_alloc+0x23/0x90
[ 4590.409544][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4590.409544][   T10]      ip6_pol_route+0x56f/0x840
[ 4590.409544][   T10]      fib6_rule_lookup+0x456/0x630
[ 4590.409544][   T10]      ip6_route_input+0x59c/0xa50
[ 4590.409544][   T10]      ipv6_rcv+0x397/0x810
[ 4590.409544][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4590.409544][   T10]      process_backlog+0x101/0x620
[ 4590.409544][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4590.409544][   T10]      net_rx_action+0x495/0xbe0
[ 4590.409544][   T10]      __do_softirq+0x1b5/0x7f6
[ 4590.409544][   T10] 
[ 4590.411266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.411266][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4590.411266][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4590.411266][   T10]      fib6_nh_init+0xa22/0x1580
[ 4590.411266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.411266][   T10]      ip6_route_add+0x1c/0x140
[ 4590.411266][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4590.411266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.411266][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.411266][   T10]      netlink_unicast+0x449/0x710
[ 4590.411266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.411266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.411266][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.411266][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.411266][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.411266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.411266][   T10] 
[ 4590.413224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.413224][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.413224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.413224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.413224][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4590.413224][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4590.413224][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4590.413224][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4590.413224][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4590.413224][   T10]      addrconf_dad_begin+0x310/0x670
[ 4590.413224][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4590.413224][   T10]      process_one_work+0x84d/0x18a0
[ 4590.413224][   T10]      worker_thread+0x587/0xd30
[ 4590.413224][   T10]      kthread+0x28a/0x350
[ 4590.413224][   T10]      ret_from_fork+0x31/0x70
[ 4590.413224][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4590.413224][   T10] 
[ 4590.415162][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.415162][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.415162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.415162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.415162][   T10]      ip6_route_add+0x1c/0x140
[ 4590.415162][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4590.415162][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4590.415162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.415162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.415162][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.415162][   T10]      netlink_unicast+0x449/0x710
[ 4590.415162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.415162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.415162][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.415162][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.415162][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.415162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.415162][   T10] 
[ 4590.417183][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.417183][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.417183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.417183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.417183][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4590.417183][   T10]      ipv6_add_addr+0x411/0x2000
[ 4590.417183][   T10]      inet6_addr_add+0x30e/0xa40
[ 4590.417183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.417183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.417183][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.417183][   T10]      netlink_unicast+0x449/0x710
[ 4590.417183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.417183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.417183][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.417183][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.417183][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.417183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.417183][   T10] 
[ 4590.419176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.419176][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.419176][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.419176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.419176][   T10]      ip6_route_add+0x1c/0x140
[ 4590.419176][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4590.419176][   T10]      addrconf_add_dev+0xe2/0x170
[ 4590.419176][   T10]      inet6_addr_add+0x12f/0xa40
[ 4590.419176][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.419176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.419176][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.419176][   T10]      netlink_unicast+0x449/0x710
[ 4590.419176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.419176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.419176][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.419176][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.419176][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.419176][   T10] 
[ 4590.421423][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.421423][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4590.421423][   T10]      ipv6_find_idev+0x102/0x170
[ 4590.421423][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4590.421423][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.421423][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.421423][   T10]      netlink_unicast+0x449/0x710
[ 4590.421423][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.421423][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.421423][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.421423][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.421423][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.421423][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.421423][   T10] 
[ 4590.423385][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4590.423385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4590.423385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4590.423385][   T10]      ipv6_find_idev+0x102/0x170
[ 4590.423385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4590.423385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.423385][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.423385][   T10]      netlink_unicast+0x449/0x710
[ 4590.423385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.423385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.423385][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.423385][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.423385][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.423385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.423385][   T10] 
[ 4590.425560][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4590.425873][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.425873][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4590.425873][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4590.425873][   T10]      fib6_nh_init+0xa22/0x1580
[ 4590.425873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.425873][   T10]      ip6_route_add+0x1c/0x140
[ 4590.425873][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4590.425873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.425873][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.425873][   T10]      netlink_unicast+0x449/0x710
[ 4590.425873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.425873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.425873][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.425873][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.425873][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.425873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.425873][   T10] 
[ 4590.428265][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.428265][   T10]      dst_init+0x84/0x4a0
[ 4590.428265][   T10]      dst_alloc+0x97/0x150
[ 4590.428265][   T10]      ip6_dst_alloc+0x23/0x90
[ 4590.428265][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4590.428265][   T10]      ip6_pol_route+0x56f/0x840
[ 4590.428265][   T10]      fib6_rule_lookup+0x456/0x630
[ 4590.428265][   T10]      ip6_route_input+0x59c/0xa50
[ 4590.428265][   T10]      ipv6_rcv+0x397/0x810
[ 4590.428265][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4590.428265][   T10]      process_backlog+0x101/0x620
[ 4590.428265][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4590.428265][   T10]      net_rx_action+0x495/0xbe0
[ 4590.428265][   T10]      __do_softirq+0x1b5/0x7f6
[ 4590.428265][   T10] 
[ 4590.430359][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.430359][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.430359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.430359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.430359][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4590.430359][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4590.430359][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4590.430359][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4590.430359][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4590.430359][   T10]      addrconf_dad_begin+0x310/0x670
[ 4590.430359][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4590.430359][   T10]      process_one_work+0x84d/0x18a0
[ 4590.430359][   T10]      worker_thread+0x587/0xd30
[ 4590.430359][   T10]      kthread+0x28a/0x350
[ 4590.430359][   T10]      ret_from_fork+0x31/0x70
[ 4590.430359][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4590.430359][   T10] 
[ 4590.432794][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.432794][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.432794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.432794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.432794][   T10]      ip6_route_add+0x1c/0x140
[ 4590.432794][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4590.432794][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4590.432794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.432794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.432794][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.432794][   T10]      netlink_unicast+0x449/0x710
[ 4590.432794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.432794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.432794][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.432794][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.432794][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.432794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.432794][   T10] 
[ 4590.435413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.435413][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.435413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.435413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.435413][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4590.435413][   T10]      ipv6_add_addr+0x411/0x2000
[ 4590.435413][   T10]      inet6_addr_add+0x30e/0xa40
[ 4590.435413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.435413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.435413][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.435413][   T10]      netlink_unicast+0x449/0x710
[ 4590.435413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.435413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.435413][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.435413][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.435413][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.435413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.435413][   T10] 
[ 4590.437962][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.437962][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.437962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.437962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.437962][   T10]      ip6_route_add+0x1c/0x140
[ 4590.437962][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4590.437962][   T10]      addrconf_add_dev+0xe2/0x170
[ 4590.437962][   T10]      inet6_addr_add+0x12f/0xa40
[ 4590.437962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.437962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.437962][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.437962][   T10]      netlink_unicast+0x449/0x710
[ 4590.437962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.437962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.437962][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.437962][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.437962][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.437962][   T10] 
[ 4590.440530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.440530][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4590.440530][   T10]      ipv6_find_idev+0x102/0x170
[ 4590.440530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4590.440530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.440530][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.440530][   T10]      netlink_unicast+0x449/0x710
[ 4590.440530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.440530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.440530][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.440530][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.440530][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.440530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.440530][   T10] 
[ 4590.442679][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4590.442679][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4590.442679][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4590.442679][   T10]      ipv6_find_idev+0x102/0x170
[ 4590.442679][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4590.442679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.442679][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.442679][   T10]      netlink_unicast+0x449/0x710
[ 4590.442679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.442679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.442679][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.442679][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.442679][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.442679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.442679][   T10] 
[ 4590.445096][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4590.445461][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4590.445461][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.445461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.445461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.445461][   T10]      ip6_route_add+0x1c/0x140
[ 4590.445461][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4590.445461][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4590.445461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.445461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.445461][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.445461][   T10]      netlink_unicast+0x449/0x710
[ 4590.445461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.445461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.445461][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.445461][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.445461][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.445461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.445461][   T10] 
[ 4590.448204][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4590.448204][   T10]      netdev_get_by_index+0x5e/0x80
[ 4590.448204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4590.448204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4590.448204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4590.448204][   T10]      ipv6_add_addr+0x411/0x2000
[ 4590.448204][   T10]      inet6_addr_add+0x30e/0xa40
[ 4590.448204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4590.448204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.448204][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.448204][   T10]      netlink_unicast+0x449/0x710
[ 4590.448204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.448204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.448204][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.448204][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.448204][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.448204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.448204][   T10] 
[ 4590.450950][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4590.450950][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4590.450950][   T10]      ipv6_find_idev+0x102/0x170
[ 4590.450950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4590.450950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.450950][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.450950][   T10]      netlink_unicast+0x449/0x710
[ 4590.450950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.450950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.450950][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.450950][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.450950][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.450950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.450950][   T10] 
[ 4590.453090][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4590.453090][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4590.453090][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4590.453090][   T10]      ipv6_find_idev+0x102/0x170
[ 4590.453090][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4590.453090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4590.453090][   T10]      netlink_rcv_skb+0x130/0x360
[ 4590.453090][   T10]      netlink_unicast+0x449/0x710
[ 4590.453090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4590.453090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4590.453090][   T10]      ___sys_sendmsg+0xee/0x170
[ 4590.453090][   T10]      __sys_sendmsg+0xcd/0x170
[ 4590.453090][   T10]      do_syscall_64+0xc6/0x1e0
[ 4590.453090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4590.453090][   T10] 
[ 4600.520697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4600.521072][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.521072][   T10]      dst_init+0x84/0x4a0
[ 4600.521072][   T10]      dst_alloc+0x97/0x150
[ 4600.521072][   T10]      ip6_dst_alloc+0x23/0x90
[ 4600.521072][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4600.521072][   T10]      ip6_pol_route+0x56f/0x840
[ 4600.521072][   T10]      fib6_rule_lookup+0x456/0x630
[ 4600.521072][   T10]      ip6_route_input+0x59c/0xa50
[ 4600.521072][   T10]      ipv6_rcv+0x397/0x810
[ 4600.521072][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4600.521072][   T10]      process_backlog+0x101/0x620
[ 4600.521072][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4600.521072][   T10]      net_rx_action+0x495/0xbe0
[ 4600.521072][   T10]      __do_softirq+0x1b5/0x7f6
[ 4600.521072][   T10] 
[ 4600.522982][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.522982][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4600.522982][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4600.522982][   T10]      fib6_nh_init+0xa22/0x1580
[ 4600.522982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.522982][   T10]      ip6_route_add+0x1c/0x140
[ 4600.522982][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4600.522982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.522982][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.522982][   T10]      netlink_unicast+0x449/0x710
[ 4600.522982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.522982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.522982][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.522982][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.522982][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.522982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.522982][   T10] 
[ 4600.525150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.525150][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.525150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.525150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.525150][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4600.525150][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4600.525150][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4600.525150][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4600.525150][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4600.525150][   T10]      addrconf_dad_begin+0x310/0x670
[ 4600.525150][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4600.525150][   T10]      process_one_work+0x84d/0x18a0
[ 4600.525150][   T10]      worker_thread+0x587/0xd30
[ 4600.525150][   T10]      kthread+0x28a/0x350
[ 4600.525150][   T10]      ret_from_fork+0x31/0x70
[ 4600.525150][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4600.525150][   T10] 
[ 4600.527339][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.527339][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.527339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.527339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.527339][   T10]      ip6_route_add+0x1c/0x140
[ 4600.527339][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4600.527339][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4600.527339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.527339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.527339][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.527339][   T10]      netlink_unicast+0x449/0x710
[ 4600.527339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.527339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.527339][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.527339][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.527339][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.527339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.527339][   T10] 
[ 4600.529740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.529740][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.529740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.529740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.529740][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4600.529740][   T10]      ipv6_add_addr+0x411/0x2000
[ 4600.529740][   T10]      inet6_addr_add+0x30e/0xa40
[ 4600.529740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.529740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.529740][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.529740][   T10]      netlink_unicast+0x449/0x710
[ 4600.529740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.529740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.529740][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.529740][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.529740][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.529740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.529740][   T10] 
[ 4600.532245][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.532245][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.532245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.532245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.532245][   T10]      ip6_route_add+0x1c/0x140
[ 4600.532245][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4600.532245][   T10]      addrconf_add_dev+0xe2/0x170
[ 4600.532245][   T10]      inet6_addr_add+0x12f/0xa40
[ 4600.532245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.532245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.532245][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.532245][   T10]      netlink_unicast+0x449/0x710
[ 4600.532245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.532245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.532245][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.532245][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.532245][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.532245][   T10] 
[ 4600.534727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.534727][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4600.534727][   T10]      ipv6_find_idev+0x102/0x170
[ 4600.534727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4600.534727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.534727][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.534727][   T10]      netlink_unicast+0x449/0x710
[ 4600.534727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.534727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.534727][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.534727][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.534727][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.534727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.534727][   T10] 
[ 4600.536641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4600.536641][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4600.536641][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4600.536641][   T10]      ipv6_find_idev+0x102/0x170
[ 4600.536641][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4600.536641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.536641][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.536641][   T10]      netlink_unicast+0x449/0x710
[ 4600.536641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.536641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.536641][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.536641][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.536641][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.536641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.536641][   T10] 
[ 4600.538773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4600.539057][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.539057][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4600.539057][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4600.539057][   T10]      fib6_nh_init+0xa22/0x1580
[ 4600.539057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.539057][   T10]      ip6_route_add+0x1c/0x140
[ 4600.539057][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4600.539057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.539057][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.539057][   T10]      netlink_unicast+0x449/0x710
[ 4600.539057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.539057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.539057][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.539057][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.539057][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.539057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.539057][   T10] 
[ 4600.541408][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.541408][   T10]      dst_init+0x84/0x4a0
[ 4600.541408][   T10]      dst_alloc+0x97/0x150
[ 4600.541408][   T10]      ip6_dst_alloc+0x23/0x90
[ 4600.541408][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4600.541408][   T10]      ip6_pol_route+0x56f/0x840
[ 4600.541408][   T10]      fib6_rule_lookup+0x456/0x630
[ 4600.541408][   T10]      ip6_route_input+0x59c/0xa50
[ 4600.541408][   T10]      ipv6_rcv+0x397/0x810
[ 4600.541408][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4600.541408][   T10]      process_backlog+0x101/0x620
[ 4600.541408][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4600.541408][   T10]      net_rx_action+0x495/0xbe0
[ 4600.541408][   T10]      __do_softirq+0x1b5/0x7f6
[ 4600.541408][   T10] 
[ 4600.543442][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.543442][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.543442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.543442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.543442][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4600.543442][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4600.543442][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4600.543442][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4600.543442][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4600.543442][   T10]      addrconf_dad_begin+0x310/0x670
[ 4600.543442][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4600.543442][   T10]      process_one_work+0x84d/0x18a0
[ 4600.543442][   T10]      worker_thread+0x587/0xd30
[ 4600.543442][   T10]      kthread+0x28a/0x350
[ 4600.543442][   T10]      ret_from_fork+0x31/0x70
[ 4600.543442][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4600.543442][   T10] 
[ 4600.545737][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.545737][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.545737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.545737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.545737][   T10]      ip6_route_add+0x1c/0x140
[ 4600.545737][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4600.545737][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4600.545737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.545737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.545737][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.545737][   T10]      netlink_unicast+0x449/0x710
[ 4600.545737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.545737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.545737][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.545737][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.545737][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.545737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.545737][   T10] 
[ 4600.548022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.548022][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.548022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.548022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.548022][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4600.548022][   T10]      ipv6_add_addr+0x411/0x2000
[ 4600.548022][   T10]      inet6_addr_add+0x30e/0xa40
[ 4600.548022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.548022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.548022][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.548022][   T10]      netlink_unicast+0x449/0x710
[ 4600.548022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.548022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.548022][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.548022][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.548022][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.548022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.548022][   T10] 
[ 4600.550325][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.550325][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.550325][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.550325][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.550325][   T10]      ip6_route_add+0x1c/0x140
[ 4600.550325][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4600.550325][   T10]      addrconf_add_dev+0xe2/0x170
[ 4600.550325][   T10]      inet6_addr_add+0x12f/0xa40
[ 4600.550325][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.550325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.550325][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.550325][   T10]      netlink_unicast+0x449/0x710
[ 4600.550325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.550325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.550325][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.550325][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.550325][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.550325][   T10] 
[ 4600.552687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.552687][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4600.552687][   T10]      ipv6_find_idev+0x102/0x170
[ 4600.552687][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4600.552687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.552687][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.552687][   T10]      netlink_unicast+0x449/0x710
[ 4600.552687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.552687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.552687][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.552687][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.552687][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.552687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.552687][   T10] 
[ 4600.554687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4600.554687][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4600.554687][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4600.554687][   T10]      ipv6_find_idev+0x102/0x170
[ 4600.554687][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4600.554687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.554687][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.554687][   T10]      netlink_unicast+0x449/0x710
[ 4600.554687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.554687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.554687][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.554687][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.554687][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.554687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.554687][   T10] 
[ 4600.556802][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4600.557158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4600.557158][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.557158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.557158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.557158][   T10]      ip6_route_add+0x1c/0x140
[ 4600.557158][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4600.557158][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4600.557158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.557158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.557158][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.557158][   T10]      netlink_unicast+0x449/0x710
[ 4600.557158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.557158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.557158][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.557158][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.557158][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.557158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.557158][   T10] 
[ 4600.559636][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4600.559636][   T10]      netdev_get_by_index+0x5e/0x80
[ 4600.559636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4600.559636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4600.559636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4600.559636][   T10]      ipv6_add_addr+0x411/0x2000
[ 4600.559636][   T10]      inet6_addr_add+0x30e/0xa40
[ 4600.559636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4600.559636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.559636][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.559636][   T10]      netlink_unicast+0x449/0x710
[ 4600.559636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.559636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.559636][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.559636][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.559636][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.559636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.559636][   T10] 
[ 4600.562095][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4600.562095][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4600.562095][   T10]      ipv6_find_idev+0x102/0x170
[ 4600.562095][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4600.562095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.562095][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.562095][   T10]      netlink_unicast+0x449/0x710
[ 4600.562095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.562095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.562095][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.562095][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.562095][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.562095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.562095][   T10] 
[ 4600.564029][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4600.564029][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4600.564029][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4600.564029][   T10]      ipv6_find_idev+0x102/0x170
[ 4600.564029][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4600.564029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4600.564029][   T10]      netlink_rcv_skb+0x130/0x360
[ 4600.564029][   T10]      netlink_unicast+0x449/0x710
[ 4600.564029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4600.564029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4600.564029][   T10]      ___sys_sendmsg+0xee/0x170
[ 4600.564029][   T10]      __sys_sendmsg+0xcd/0x170
[ 4600.564029][   T10]      do_syscall_64+0xc6/0x1e0
[ 4600.564029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4600.564029][   T10] 
[ 4610.592772][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4610.593268][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.593268][   T10]      dst_init+0x84/0x4a0
[ 4610.593268][   T10]      dst_alloc+0x97/0x150
[ 4610.593268][   T10]      ip6_dst_alloc+0x23/0x90
[ 4610.593268][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4610.593268][   T10]      ip6_pol_route+0x56f/0x840
[ 4610.593268][   T10]      fib6_rule_lookup+0x456/0x630
[ 4610.593268][   T10]      ip6_route_input+0x59c/0xa50
[ 4610.593268][   T10]      ipv6_rcv+0x397/0x810
[ 4610.593268][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4610.593268][   T10]      process_backlog+0x101/0x620
[ 4610.593268][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4610.593268][   T10]      net_rx_action+0x495/0xbe0
[ 4610.593268][   T10]      __do_softirq+0x1b5/0x7f6
[ 4610.593268][   T10] 
[ 4610.594984][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.594984][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4610.594984][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4610.594984][   T10]      fib6_nh_init+0xa22/0x1580
[ 4610.594984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.594984][   T10]      ip6_route_add+0x1c/0x140
[ 4610.594984][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4610.594984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.594984][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.594984][   T10]      netlink_unicast+0x449/0x710
[ 4610.594984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.594984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.594984][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.594984][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.594984][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.594984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.594984][   T10] 
[ 4610.596920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.596920][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.596920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.596920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.596920][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4610.596920][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4610.596920][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4610.596920][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4610.596920][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4610.596920][   T10]      addrconf_dad_begin+0x310/0x670
[ 4610.596920][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4610.596920][   T10]      process_one_work+0x84d/0x18a0
[ 4610.596920][   T10]      worker_thread+0x587/0xd30
[ 4610.596920][   T10]      kthread+0x28a/0x350
[ 4610.596920][   T10]      ret_from_fork+0x31/0x70
[ 4610.596920][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4610.596920][   T10] 
[ 4610.598882][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.598882][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.598882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.598882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.598882][   T10]      ip6_route_add+0x1c/0x140
[ 4610.598882][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4610.598882][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4610.598882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.598882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.598882][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.598882][   T10]      netlink_unicast+0x449/0x710
[ 4610.598882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.598882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.598882][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.598882][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.598882][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.598882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.598882][   T10] 
[ 4610.600919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.600919][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.600919][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.600919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.600919][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4610.600919][   T10]      ipv6_add_addr+0x411/0x2000
[ 4610.600919][   T10]      inet6_addr_add+0x30e/0xa40
[ 4610.600919][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.600919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.600919][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.600919][   T10]      netlink_unicast+0x449/0x710
[ 4610.600919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.600919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.600919][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.600919][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.600919][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.600919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.600919][   T10] 
[ 4610.602985][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.602985][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.602985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.602985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.602985][   T10]      ip6_route_add+0x1c/0x140
[ 4610.602985][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4610.602985][   T10]      addrconf_add_dev+0xe2/0x170
[ 4610.602985][   T10]      inet6_addr_add+0x12f/0xa40
[ 4610.602985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.602985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.602985][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.602985][   T10]      netlink_unicast+0x449/0x710
[ 4610.602985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.602985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.602985][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.602985][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.602985][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.602985][   T10] 
[ 4610.605006][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.605006][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4610.605006][   T10]      ipv6_find_idev+0x102/0x170
[ 4610.605006][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4610.605006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.605006][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.605006][   T10]      netlink_unicast+0x449/0x710
[ 4610.605006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.605006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.605006][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.605006][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.605006][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.605006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.605006][   T10] 
[ 4610.606577][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4610.606577][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4610.606577][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4610.606577][   T10]      ipv6_find_idev+0x102/0x170
[ 4610.606577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4610.606577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.606577][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.606577][   T10]      netlink_unicast+0x449/0x710
[ 4610.606577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.606577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.606577][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.606577][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.606577][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.606577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.606577][   T10] 
[ 4610.608312][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4610.608562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.608562][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4610.608562][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4610.608562][   T10]      fib6_nh_init+0xa22/0x1580
[ 4610.608562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.608562][   T10]      ip6_route_add+0x1c/0x140
[ 4610.608562][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4610.608562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.608562][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.608562][   T10]      netlink_unicast+0x449/0x710
[ 4610.608562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.608562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.608562][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.608562][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.608562][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.608562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.608562][   T10] 
[ 4610.610475][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.610475][   T10]      dst_init+0x84/0x4a0
[ 4610.610475][   T10]      dst_alloc+0x97/0x150
[ 4610.610475][   T10]      ip6_dst_alloc+0x23/0x90
[ 4610.610475][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4610.610475][   T10]      ip6_pol_route+0x56f/0x840
[ 4610.610475][   T10]      fib6_rule_lookup+0x456/0x630
[ 4610.610475][   T10]      ip6_route_input+0x59c/0xa50
[ 4610.610475][   T10]      ipv6_rcv+0x397/0x810
[ 4610.610475][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4610.610475][   T10]      process_backlog+0x101/0x620
[ 4610.610475][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4610.610475][   T10]      net_rx_action+0x495/0xbe0
[ 4610.610475][   T10]      __do_softirq+0x1b5/0x7f6
[ 4610.610475][   T10] 
[ 4610.612142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.612142][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.612142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.612142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.612142][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4610.612142][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4610.612142][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4610.612142][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4610.612142][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4610.612142][   T10]      addrconf_dad_begin+0x310/0x670
[ 4610.612142][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4610.612142][   T10]      process_one_work+0x84d/0x18a0
[ 4610.612142][   T10]      worker_thread+0x587/0xd30
[ 4610.612142][   T10]      kthread+0x28a/0x350
[ 4610.612142][   T10]      ret_from_fork+0x31/0x70
[ 4610.612142][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4610.612142][   T10] 
[ 4610.614094][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.614094][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.614094][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.614094][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.614094][   T10]      ip6_route_add+0x1c/0x140
[ 4610.614094][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4610.614094][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4610.614094][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.614094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.614094][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.614094][   T10]      netlink_unicast+0x449/0x710
[ 4610.614094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.614094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.614094][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.614094][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.614094][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.614094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.614094][   T10] 
[ 4610.616140][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.616140][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.616140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.616140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.616140][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4610.616140][   T10]      ipv6_add_addr+0x411/0x2000
[ 4610.616140][   T10]      inet6_addr_add+0x30e/0xa40
[ 4610.616140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.616140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.616140][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.616140][   T10]      netlink_unicast+0x449/0x710
[ 4610.616140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.616140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.616140][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.616140][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.616140][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.616140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.616140][   T10] 
[ 4610.618179][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.618179][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.618179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.618179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.618179][   T10]      ip6_route_add+0x1c/0x140
[ 4610.618179][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4610.618179][   T10]      addrconf_add_dev+0xe2/0x170
[ 4610.618179][   T10]      inet6_addr_add+0x12f/0xa40
[ 4610.618179][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.618179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.618179][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.618179][   T10]      netlink_unicast+0x449/0x710
[ 4610.618179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.618179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.618179][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.618179][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.618179][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.618179][   T10] 
[ 4610.620305][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.620305][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4610.620305][   T10]      ipv6_find_idev+0x102/0x170
[ 4610.620305][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4610.620305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.620305][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.620305][   T10]      netlink_unicast+0x449/0x710
[ 4610.620305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.620305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.620305][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.620305][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.620305][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.620305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.620305][   T10] 
[ 4610.622054][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4610.622054][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4610.622054][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4610.622054][   T10]      ipv6_find_idev+0x102/0x170
[ 4610.622054][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4610.622054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.622054][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.622054][   T10]      netlink_unicast+0x449/0x710
[ 4610.622054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.622054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.622054][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.622054][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.622054][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.622054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.622054][   T10] 
[ 4610.624024][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4610.624348][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4610.624348][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.624348][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.624348][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.624348][   T10]      ip6_route_add+0x1c/0x140
[ 4610.624348][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4610.624348][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4610.624348][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.624348][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.624348][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.624348][   T10]      netlink_unicast+0x449/0x710
[ 4610.624348][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.624348][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.624348][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.624348][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.624348][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.624348][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.624348][   T10] 
[ 4610.626598][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4610.626598][   T10]      netdev_get_by_index+0x5e/0x80
[ 4610.626598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4610.626598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4610.626598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4610.626598][   T10]      ipv6_add_addr+0x411/0x2000
[ 4610.626598][   T10]      inet6_addr_add+0x30e/0xa40
[ 4610.626598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4610.626598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.626598][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.626598][   T10]      netlink_unicast+0x449/0x710
[ 4610.626598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.626598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.626598][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.626598][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.626598][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.626598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.626598][   T10] 
[ 4610.628814][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4610.628814][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4610.628814][   T10]      ipv6_find_idev+0x102/0x170
[ 4610.628814][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4610.628814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.628814][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.628814][   T10]      netlink_unicast+0x449/0x710
[ 4610.628814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.628814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.628814][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.628814][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.628814][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.628814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.628814][   T10] 
[ 4610.630574][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4610.630574][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4610.630574][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4610.630574][   T10]      ipv6_find_idev+0x102/0x170
[ 4610.630574][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4610.630574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4610.630574][   T10]      netlink_rcv_skb+0x130/0x360
[ 4610.630574][   T10]      netlink_unicast+0x449/0x710
[ 4610.630574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4610.630574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4610.630574][   T10]      ___sys_sendmsg+0xee/0x170
[ 4610.630574][   T10]      __sys_sendmsg+0xcd/0x170
[ 4610.630574][   T10]      do_syscall_64+0xc6/0x1e0
[ 4610.630574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4610.630574][   T10] 
[ 4620.880685][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4620.881157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.881157][   T10]      dst_init+0x84/0x4a0
[ 4620.881157][   T10]      dst_alloc+0x97/0x150
[ 4620.881157][   T10]      ip6_dst_alloc+0x23/0x90
[ 4620.881157][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4620.881157][   T10]      ip6_pol_route+0x56f/0x840
[ 4620.881157][   T10]      fib6_rule_lookup+0x456/0x630
[ 4620.881157][   T10]      ip6_route_input+0x59c/0xa50
[ 4620.881157][   T10]      ipv6_rcv+0x397/0x810
[ 4620.881157][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4620.881157][   T10]      process_backlog+0x101/0x620
[ 4620.881157][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4620.881157][   T10]      net_rx_action+0x495/0xbe0
[ 4620.881157][   T10]      __do_softirq+0x1b5/0x7f6
[ 4620.881157][   T10] 
[ 4620.883063][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.883063][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4620.883063][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4620.883063][   T10]      fib6_nh_init+0xa22/0x1580
[ 4620.883063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.883063][   T10]      ip6_route_add+0x1c/0x140
[ 4620.883063][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4620.883063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.883063][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.883063][   T10]      netlink_unicast+0x449/0x710
[ 4620.883063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.883063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.883063][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.883063][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.883063][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.883063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.883063][   T10] 
[ 4620.884946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.884946][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.884946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.884946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.884946][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4620.884946][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4620.884946][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4620.884946][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4620.884946][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4620.884946][   T10]      addrconf_dad_begin+0x310/0x670
[ 4620.884946][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4620.884946][   T10]      process_one_work+0x84d/0x18a0
[ 4620.884946][   T10]      worker_thread+0x587/0xd30
[ 4620.884946][   T10]      kthread+0x28a/0x350
[ 4620.884946][   T10]      ret_from_fork+0x31/0x70
[ 4620.884946][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4620.884946][   T10] 
[ 4620.886854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.886854][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.886854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.886854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.886854][   T10]      ip6_route_add+0x1c/0x140
[ 4620.886854][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4620.886854][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4620.886854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.886854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.886854][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.886854][   T10]      netlink_unicast+0x449/0x710
[ 4620.886854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.886854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.886854][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.886854][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.886854][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.886854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.886854][   T10] 
[ 4620.888924][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.888924][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.888924][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.888924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.888924][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4620.888924][   T10]      ipv6_add_addr+0x411/0x2000
[ 4620.888924][   T10]      inet6_addr_add+0x30e/0xa40
[ 4620.888924][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.888924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.888924][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.888924][   T10]      netlink_unicast+0x449/0x710
[ 4620.888924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.888924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.888924][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.888924][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.888924][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.888924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.888924][   T10] 
[ 4620.891114][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.891114][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.891114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.891114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.891114][   T10]      ip6_route_add+0x1c/0x140
[ 4620.891114][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4620.891114][   T10]      addrconf_add_dev+0xe2/0x170
[ 4620.891114][   T10]      inet6_addr_add+0x12f/0xa40
[ 4620.891114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.891114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.891114][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.891114][   T10]      netlink_unicast+0x449/0x710
[ 4620.891114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.891114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.891114][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.891114][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.891114][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.891114][   T10] 
[ 4620.893161][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.893161][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4620.893161][   T10]      ipv6_find_idev+0x102/0x170
[ 4620.893161][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4620.893161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.893161][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.893161][   T10]      netlink_unicast+0x449/0x710
[ 4620.893161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.893161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.893161][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.893161][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.893161][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.893161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.893161][   T10] 
[ 4620.894883][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4620.894883][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4620.894883][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4620.894883][   T10]      ipv6_find_idev+0x102/0x170
[ 4620.894883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4620.894883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.894883][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.894883][   T10]      netlink_unicast+0x449/0x710
[ 4620.894883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.894883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.894883][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.894883][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.894883][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.894883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.894883][   T10] 
[ 4620.896697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4620.896956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.896956][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4620.896956][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4620.896956][   T10]      fib6_nh_init+0xa22/0x1580
[ 4620.896956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.896956][   T10]      ip6_route_add+0x1c/0x140
[ 4620.896956][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4620.896956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.896956][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.896956][   T10]      netlink_unicast+0x449/0x710
[ 4620.896956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.896956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.896956][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.896956][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.896956][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.896956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.896956][   T10] 
[ 4620.898979][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.898979][   T10]      dst_init+0x84/0x4a0
[ 4620.898979][   T10]      dst_alloc+0x97/0x150
[ 4620.898979][   T10]      ip6_dst_alloc+0x23/0x90
[ 4620.898979][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4620.898979][   T10]      ip6_pol_route+0x56f/0x840
[ 4620.898979][   T10]      fib6_rule_lookup+0x456/0x630
[ 4620.898979][   T10]      ip6_route_input+0x59c/0xa50
[ 4620.898979][   T10]      ipv6_rcv+0x397/0x810
[ 4620.898979][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4620.898979][   T10]      process_backlog+0x101/0x620
[ 4620.898979][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4620.898979][   T10]      net_rx_action+0x495/0xbe0
[ 4620.898979][   T10]      __do_softirq+0x1b5/0x7f6
[ 4620.898979][   T10] 
[ 4620.900790][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.900790][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.900790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.900790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.900790][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4620.900790][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4620.900790][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4620.900790][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4620.900790][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4620.900790][   T10]      addrconf_dad_begin+0x310/0x670
[ 4620.900790][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4620.900790][   T10]      process_one_work+0x84d/0x18a0
[ 4620.900790][   T10]      worker_thread+0x587/0xd30
[ 4620.900790][   T10]      kthread+0x28a/0x350
[ 4620.900790][   T10]      ret_from_fork+0x31/0x70
[ 4620.900790][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4620.900790][   T10] 
[ 4620.902861][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.902861][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.902861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.902861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.902861][   T10]      ip6_route_add+0x1c/0x140
[ 4620.902861][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4620.902861][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4620.902861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.902861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.902861][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.902861][   T10]      netlink_unicast+0x449/0x710
[ 4620.902861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.902861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.902861][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.902861][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.902861][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.902861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.902861][   T10] 
[ 4620.905065][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.905065][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.905065][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.905065][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.905065][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4620.905065][   T10]      ipv6_add_addr+0x411/0x2000
[ 4620.905065][   T10]      inet6_addr_add+0x30e/0xa40
[ 4620.905065][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.905065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.905065][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.905065][   T10]      netlink_unicast+0x449/0x710
[ 4620.905065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.905065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.905065][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.905065][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.905065][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.905065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.905065][   T10] 
[ 4620.907210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.907210][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.907210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.907210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.907210][   T10]      ip6_route_add+0x1c/0x140
[ 4620.907210][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4620.907210][   T10]      addrconf_add_dev+0xe2/0x170
[ 4620.907210][   T10]      inet6_addr_add+0x12f/0xa40
[ 4620.907210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.907210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.907210][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.907210][   T10]      netlink_unicast+0x449/0x710
[ 4620.907210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.907210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.907210][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.907210][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.907210][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.907210][   T10] 
[ 4620.909385][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.909385][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4620.909385][   T10]      ipv6_find_idev+0x102/0x170
[ 4620.909385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4620.909385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.909385][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.909385][   T10]      netlink_unicast+0x449/0x710
[ 4620.909385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.909385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.909385][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.909385][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.909385][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.909385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.909385][   T10] 
[ 4620.911161][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4620.911161][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4620.911161][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4620.911161][   T10]      ipv6_find_idev+0x102/0x170
[ 4620.911161][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4620.911161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.911161][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.911161][   T10]      netlink_unicast+0x449/0x710
[ 4620.911161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.911161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.911161][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.911161][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.911161][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.911161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.911161][   T10] 
[ 4620.913048][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4620.913364][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4620.913364][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.913364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.913364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.913364][   T10]      ip6_route_add+0x1c/0x140
[ 4620.913364][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4620.913364][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4620.913364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.913364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.913364][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.913364][   T10]      netlink_unicast+0x449/0x710
[ 4620.913364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.913364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.913364][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.913364][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.913364][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.913364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.913364][   T10] 
[ 4620.915738][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4620.915738][   T10]      netdev_get_by_index+0x5e/0x80
[ 4620.915738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4620.915738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4620.915738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4620.915738][   T10]      ipv6_add_addr+0x411/0x2000
[ 4620.915738][   T10]      inet6_addr_add+0x30e/0xa40
[ 4620.915738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4620.915738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.915738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.915738][   T10]      netlink_unicast+0x449/0x710
[ 4620.915738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.915738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.915738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.915738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.915738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.915738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.915738][   T10] 
[ 4620.918284][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4620.918284][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4620.918284][   T10]      ipv6_find_idev+0x102/0x170
[ 4620.918284][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4620.918284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.918284][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.918284][   T10]      netlink_unicast+0x449/0x710
[ 4620.918284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.918284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.918284][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.918284][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.918284][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.918284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.918284][   T10] 
[ 4620.920206][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4620.920206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4620.920206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4620.920206][   T10]      ipv6_find_idev+0x102/0x170
[ 4620.920206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4620.920206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4620.920206][   T10]      netlink_rcv_skb+0x130/0x360
[ 4620.920206][   T10]      netlink_unicast+0x449/0x710
[ 4620.920206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4620.920206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4620.920206][   T10]      ___sys_sendmsg+0xee/0x170
[ 4620.920206][   T10]      __sys_sendmsg+0xcd/0x170
[ 4620.920206][   T10]      do_syscall_64+0xc6/0x1e0
[ 4620.920206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4620.920206][   T10] 
[ 4631.176718][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4631.177170][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.177170][   T10]      dst_init+0x84/0x4a0
[ 4631.177170][   T10]      dst_alloc+0x97/0x150
[ 4631.177170][   T10]      ip6_dst_alloc+0x23/0x90
[ 4631.177170][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4631.177170][   T10]      ip6_pol_route+0x56f/0x840
[ 4631.177170][   T10]      fib6_rule_lookup+0x456/0x630
[ 4631.177170][   T10]      ip6_route_input+0x59c/0xa50
[ 4631.177170][   T10]      ipv6_rcv+0x397/0x810
[ 4631.177170][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4631.177170][   T10]      process_backlog+0x101/0x620
[ 4631.177170][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4631.177170][   T10]      net_rx_action+0x495/0xbe0
[ 4631.177170][   T10]      __do_softirq+0x1b5/0x7f6
[ 4631.177170][   T10] 
[ 4631.179055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.179055][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4631.179055][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4631.179055][   T10]      fib6_nh_init+0xa22/0x1580
[ 4631.179055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.179055][   T10]      ip6_route_add+0x1c/0x140
[ 4631.179055][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4631.179055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.179055][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.179055][   T10]      netlink_unicast+0x449/0x710
[ 4631.179055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.179055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.179055][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.179055][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.179055][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.179055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.179055][   T10] 
[ 4631.181236][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.181236][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.181236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.181236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.181236][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4631.181236][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4631.181236][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4631.181236][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4631.181236][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4631.181236][   T10]      addrconf_dad_begin+0x310/0x670
[ 4631.181236][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4631.181236][   T10]      process_one_work+0x84d/0x18a0
[ 4631.181236][   T10]      worker_thread+0x587/0xd30
[ 4631.181236][   T10]      kthread+0x28a/0x350
[ 4631.181236][   T10]      ret_from_fork+0x31/0x70
[ 4631.181236][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4631.181236][   T10] 
[ 4631.183419][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.183419][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.183419][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.183419][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.183419][   T10]      ip6_route_add+0x1c/0x140
[ 4631.183419][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4631.183419][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4631.183419][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.183419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.183419][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.183419][   T10]      netlink_unicast+0x449/0x710
[ 4631.183419][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.183419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.183419][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.183419][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.183419][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.183419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.183419][   T10] 
[ 4631.185738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.185738][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.185738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.185738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.185738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4631.185738][   T10]      ipv6_add_addr+0x411/0x2000
[ 4631.185738][   T10]      inet6_addr_add+0x30e/0xa40
[ 4631.185738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.185738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.185738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.185738][   T10]      netlink_unicast+0x449/0x710
[ 4631.185738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.185738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.185738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.185738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.185738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.185738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.185738][   T10] 
[ 4631.188037][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.188037][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.188037][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.188037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.188037][   T10]      ip6_route_add+0x1c/0x140
[ 4631.188037][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4631.188037][   T10]      addrconf_add_dev+0xe2/0x170
[ 4631.188037][   T10]      inet6_addr_add+0x12f/0xa40
[ 4631.188037][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.188037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.188037][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.188037][   T10]      netlink_unicast+0x449/0x710
[ 4631.188037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.188037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.188037][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.188037][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.188037][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.188037][   T10] 
[ 4631.190264][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.190264][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4631.190264][   T10]      ipv6_find_idev+0x102/0x170
[ 4631.190264][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4631.190264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.190264][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.190264][   T10]      netlink_unicast+0x449/0x710
[ 4631.190264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.190264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.190264][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.190264][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.190264][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.190264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.190264][   T10] 
[ 4631.192016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4631.192016][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4631.192016][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4631.192016][   T10]      ipv6_find_idev+0x102/0x170
[ 4631.192016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4631.192016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.192016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.192016][   T10]      netlink_unicast+0x449/0x710
[ 4631.192016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.192016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.192016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.192016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.192016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.192016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.192016][   T10] 
[ 4631.193954][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4631.194225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.194225][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4631.194225][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4631.194225][   T10]      fib6_nh_init+0xa22/0x1580
[ 4631.194225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.194225][   T10]      ip6_route_add+0x1c/0x140
[ 4631.194225][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4631.194225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.194225][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.194225][   T10]      netlink_unicast+0x449/0x710
[ 4631.194225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.194225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.194225][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.194225][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.194225][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.194225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.194225][   T10] 
[ 4631.196381][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.196381][   T10]      dst_init+0x84/0x4a0
[ 4631.196381][   T10]      dst_alloc+0x97/0x150
[ 4631.196381][   T10]      ip6_dst_alloc+0x23/0x90
[ 4631.196381][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4631.196381][   T10]      ip6_pol_route+0x56f/0x840
[ 4631.196381][   T10]      fib6_rule_lookup+0x456/0x630
[ 4631.196381][   T10]      ip6_route_input+0x59c/0xa50
[ 4631.196381][   T10]      ipv6_rcv+0x397/0x810
[ 4631.196381][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4631.196381][   T10]      process_backlog+0x101/0x620
[ 4631.196381][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4631.196381][   T10]      net_rx_action+0x495/0xbe0
[ 4631.196381][   T10]      __do_softirq+0x1b5/0x7f6
[ 4631.196381][   T10] 
[ 4631.198274][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.198274][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.198274][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.198274][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.198274][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4631.198274][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4631.198274][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4631.198274][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4631.198274][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4631.198274][   T10]      addrconf_dad_begin+0x310/0x670
[ 4631.198274][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4631.198274][   T10]      process_one_work+0x84d/0x18a0
[ 4631.198274][   T10]      worker_thread+0x587/0xd30
[ 4631.198274][   T10]      kthread+0x28a/0x350
[ 4631.198274][   T10]      ret_from_fork+0x31/0x70
[ 4631.198274][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4631.198274][   T10] 
[ 4631.200444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.200444][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.200444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.200444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.200444][   T10]      ip6_route_add+0x1c/0x140
[ 4631.200444][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4631.200444][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4631.200444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.200444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.200444][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.200444][   T10]      netlink_unicast+0x449/0x710
[ 4631.200444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.200444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.200444][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.200444][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.200444][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.200444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.200444][   T10] 
[ 4631.202727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.202727][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.202727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.202727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.202727][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4631.202727][   T10]      ipv6_add_addr+0x411/0x2000
[ 4631.202727][   T10]      inet6_addr_add+0x30e/0xa40
[ 4631.202727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.202727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.202727][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.202727][   T10]      netlink_unicast+0x449/0x710
[ 4631.202727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.202727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.202727][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.202727][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.202727][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.202727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.202727][   T10] 
[ 4631.205007][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.205007][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.205007][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.205007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.205007][   T10]      ip6_route_add+0x1c/0x140
[ 4631.205007][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4631.205007][   T10]      addrconf_add_dev+0xe2/0x170
[ 4631.205007][   T10]      inet6_addr_add+0x12f/0xa40
[ 4631.205007][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.205007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.205007][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.205007][   T10]      netlink_unicast+0x449/0x710
[ 4631.205007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.205007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.205007][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.205007][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.205007][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.205007][   T10] 
[ 4631.207404][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.207404][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4631.207404][   T10]      ipv6_find_idev+0x102/0x170
[ 4631.207404][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4631.207404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.207404][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.207404][   T10]      netlink_unicast+0x449/0x710
[ 4631.207404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.207404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.207404][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.207404][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.207404][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.207404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.207404][   T10] 
[ 4631.209356][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4631.209356][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4631.209356][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4631.209356][   T10]      ipv6_find_idev+0x102/0x170
[ 4631.209356][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4631.209356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.209356][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.209356][   T10]      netlink_unicast+0x449/0x710
[ 4631.209356][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.209356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.209356][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.209356][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.209356][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.209356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.209356][   T10] 
[ 4631.211519][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4631.211878][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4631.211878][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.211878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.211878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.211878][   T10]      ip6_route_add+0x1c/0x140
[ 4631.211878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4631.211878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4631.211878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.211878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.211878][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.211878][   T10]      netlink_unicast+0x449/0x710
[ 4631.211878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.211878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.211878][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.211878][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.211878][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.211878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.211878][   T10] 
[ 4631.214342][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4631.214342][   T10]      netdev_get_by_index+0x5e/0x80
[ 4631.214342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4631.214342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4631.214342][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4631.214342][   T10]      ipv6_add_addr+0x411/0x2000
[ 4631.214342][   T10]      inet6_addr_add+0x30e/0xa40
[ 4631.214342][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4631.214342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.214342][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.214342][   T10]      netlink_unicast+0x449/0x710
[ 4631.214342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.214342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.214342][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.214342][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.214342][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.214342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.214342][   T10] 
[ 4631.216803][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4631.216803][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4631.216803][   T10]      ipv6_find_idev+0x102/0x170
[ 4631.216803][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4631.216803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.216803][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.216803][   T10]      netlink_unicast+0x449/0x710
[ 4631.216803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.216803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.216803][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.216803][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.216803][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.216803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.216803][   T10] 
[ 4631.218746][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4631.218746][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4631.218746][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4631.218746][   T10]      ipv6_find_idev+0x102/0x170
[ 4631.218746][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4631.218746][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4631.218746][   T10]      netlink_rcv_skb+0x130/0x360
[ 4631.218746][   T10]      netlink_unicast+0x449/0x710
[ 4631.218746][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4631.218746][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4631.218746][   T10]      ___sys_sendmsg+0xee/0x170
[ 4631.218746][   T10]      __sys_sendmsg+0xcd/0x170
[ 4631.218746][   T10]      do_syscall_64+0xc6/0x1e0
[ 4631.218746][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4631.218746][   T10] 
[ 4641.376785][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4641.377249][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.377249][   T10]      dst_init+0x84/0x4a0
[ 4641.377249][   T10]      dst_alloc+0x97/0x150
[ 4641.377249][   T10]      ip6_dst_alloc+0x23/0x90
[ 4641.377249][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4641.377249][   T10]      ip6_pol_route+0x56f/0x840
[ 4641.377249][   T10]      fib6_rule_lookup+0x456/0x630
[ 4641.377249][   T10]      ip6_route_input+0x59c/0xa50
[ 4641.377249][   T10]      ipv6_rcv+0x397/0x810
[ 4641.377249][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4641.377249][   T10]      process_backlog+0x101/0x620
[ 4641.377249][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4641.377249][   T10]      net_rx_action+0x495/0xbe0
[ 4641.377249][   T10]      __do_softirq+0x1b5/0x7f6
[ 4641.377249][   T10] 
[ 4641.378958][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.378958][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4641.378958][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4641.378958][   T10]      fib6_nh_init+0xa22/0x1580
[ 4641.378958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.378958][   T10]      ip6_route_add+0x1c/0x140
[ 4641.378958][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4641.378958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.378958][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.378958][   T10]      netlink_unicast+0x449/0x710
[ 4641.378958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.378958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.378958][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.378958][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.378958][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.378958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.378958][   T10] 
[ 4641.380892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.380892][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.380892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.380892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.380892][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4641.380892][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4641.380892][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4641.380892][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4641.380892][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4641.380892][   T10]      addrconf_dad_begin+0x310/0x670
[ 4641.380892][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4641.380892][   T10]      process_one_work+0x84d/0x18a0
[ 4641.380892][   T10]      worker_thread+0x587/0xd30
[ 4641.380892][   T10]      kthread+0x28a/0x350
[ 4641.380892][   T10]      ret_from_fork+0x31/0x70
[ 4641.380892][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4641.380892][   T10] 
[ 4641.382847][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.382847][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.382847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.382847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.382847][   T10]      ip6_route_add+0x1c/0x140
[ 4641.382847][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4641.382847][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4641.382847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.382847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.382847][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.382847][   T10]      netlink_unicast+0x449/0x710
[ 4641.382847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.382847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.382847][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.382847][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.382847][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.382847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.382847][   T10] 
[ 4641.384905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.384905][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.384905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.384905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.384905][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4641.384905][   T10]      ipv6_add_addr+0x411/0x2000
[ 4641.384905][   T10]      inet6_addr_add+0x30e/0xa40
[ 4641.384905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.384905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.384905][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.384905][   T10]      netlink_unicast+0x449/0x710
[ 4641.384905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.384905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.384905][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.384905][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.384905][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.384905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.384905][   T10] 
[ 4641.386957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.386957][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.386957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.386957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.386957][   T10]      ip6_route_add+0x1c/0x140
[ 4641.386957][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4641.386957][   T10]      addrconf_add_dev+0xe2/0x170
[ 4641.386957][   T10]      inet6_addr_add+0x12f/0xa40
[ 4641.386957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.386957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.386957][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.386957][   T10]      netlink_unicast+0x449/0x710
[ 4641.386957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.386957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.386957][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.386957][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.386957][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.386957][   T10] 
[ 4641.388966][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.388966][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4641.388966][   T10]      ipv6_find_idev+0x102/0x170
[ 4641.388966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4641.388966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.388966][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.388966][   T10]      netlink_unicast+0x449/0x710
[ 4641.388966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.388966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.388966][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.388966][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.388966][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.388966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.388966][   T10] 
[ 4641.390535][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4641.390535][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4641.390535][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4641.390535][   T10]      ipv6_find_idev+0x102/0x170
[ 4641.390535][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4641.390535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.390535][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.390535][   T10]      netlink_unicast+0x449/0x710
[ 4641.390535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.390535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.390535][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.390535][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.390535][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.390535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.390535][   T10] 
[ 4641.392274][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4641.392525][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.392525][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4641.392525][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4641.392525][   T10]      fib6_nh_init+0xa22/0x1580
[ 4641.392525][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.392525][   T10]      ip6_route_add+0x1c/0x140
[ 4641.392525][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4641.392525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.392525][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.392525][   T10]      netlink_unicast+0x449/0x710
[ 4641.392525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.392525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.392525][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.392525][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.392525][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.392525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.392525][   T10] 
[ 4641.394451][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.394451][   T10]      dst_init+0x84/0x4a0
[ 4641.394451][   T10]      dst_alloc+0x97/0x150
[ 4641.394451][   T10]      ip6_dst_alloc+0x23/0x90
[ 4641.394451][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4641.394451][   T10]      ip6_pol_route+0x56f/0x840
[ 4641.394451][   T10]      fib6_rule_lookup+0x456/0x630
[ 4641.394451][   T10]      ip6_route_input+0x59c/0xa50
[ 4641.394451][   T10]      ipv6_rcv+0x397/0x810
[ 4641.394451][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4641.394451][   T10]      process_backlog+0x101/0x620
[ 4641.394451][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4641.394451][   T10]      net_rx_action+0x495/0xbe0
[ 4641.394451][   T10]      __do_softirq+0x1b5/0x7f6
[ 4641.394451][   T10] 
[ 4641.396118][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.396118][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.396118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.396118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.396118][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4641.396118][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4641.396118][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4641.396118][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4641.396118][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4641.396118][   T10]      addrconf_dad_begin+0x310/0x670
[ 4641.396118][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4641.396118][   T10]      process_one_work+0x84d/0x18a0
[ 4641.396118][   T10]      worker_thread+0x587/0xd30
[ 4641.396118][   T10]      kthread+0x28a/0x350
[ 4641.396118][   T10]      ret_from_fork+0x31/0x70
[ 4641.396118][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4641.396118][   T10] 
[ 4641.398068][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.398068][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.398068][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.398068][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.398068][   T10]      ip6_route_add+0x1c/0x140
[ 4641.398068][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4641.398068][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4641.398068][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.398068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.398068][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.398068][   T10]      netlink_unicast+0x449/0x710
[ 4641.398068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.398068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.398068][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.398068][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.398068][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.398068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.398068][   T10] 
[ 4641.400119][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.400119][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.400119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.400119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.400119][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4641.400119][   T10]      ipv6_add_addr+0x411/0x2000
[ 4641.400119][   T10]      inet6_addr_add+0x30e/0xa40
[ 4641.400119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.400119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.400119][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.400119][   T10]      netlink_unicast+0x449/0x710
[ 4641.400119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.400119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.400119][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.400119][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.400119][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.400119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.400119][   T10] 
[ 4641.402156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.402156][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.402156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.402156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.402156][   T10]      ip6_route_add+0x1c/0x140
[ 4641.402156][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4641.402156][   T10]      addrconf_add_dev+0xe2/0x170
[ 4641.402156][   T10]      inet6_addr_add+0x12f/0xa40
[ 4641.402156][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.402156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.402156][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.402156][   T10]      netlink_unicast+0x449/0x710
[ 4641.402156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.402156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.402156][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.402156][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.402156][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.402156][   T10] 
[ 4641.404294][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.404294][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4641.404294][   T10]      ipv6_find_idev+0x102/0x170
[ 4641.404294][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4641.404294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.404294][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.404294][   T10]      netlink_unicast+0x449/0x710
[ 4641.404294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.404294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.404294][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.404294][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.404294][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.404294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.404294][   T10] 
[ 4641.406111][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4641.406111][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4641.406111][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4641.406111][   T10]      ipv6_find_idev+0x102/0x170
[ 4641.406111][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4641.406111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.406111][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.406111][   T10]      netlink_unicast+0x449/0x710
[ 4641.406111][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.406111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.406111][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.406111][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.406111][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.406111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.406111][   T10] 
[ 4641.408004][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4641.408305][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4641.408305][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.408305][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.408305][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.408305][   T10]      ip6_route_add+0x1c/0x140
[ 4641.408305][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4641.408305][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4641.408305][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.408305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.408305][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.408305][   T10]      netlink_unicast+0x449/0x710
[ 4641.408305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.408305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.408305][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.408305][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.408305][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.408305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.408305][   T10] 
[ 4641.410593][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4641.410593][   T10]      netdev_get_by_index+0x5e/0x80
[ 4641.410593][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4641.410593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4641.410593][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4641.410593][   T10]      ipv6_add_addr+0x411/0x2000
[ 4641.410593][   T10]      inet6_addr_add+0x30e/0xa40
[ 4641.410593][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4641.410593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.410593][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.410593][   T10]      netlink_unicast+0x449/0x710
[ 4641.410593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.410593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.410593][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.410593][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.410593][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.410593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.410593][   T10] 
[ 4641.412818][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4641.412818][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4641.412818][   T10]      ipv6_find_idev+0x102/0x170
[ 4641.412818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4641.412818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.412818][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.412818][   T10]      netlink_unicast+0x449/0x710
[ 4641.412818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.412818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.412818][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.412818][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.412818][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.412818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.412818][   T10] 
[ 4641.414576][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4641.414576][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4641.414576][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4641.414576][   T10]      ipv6_find_idev+0x102/0x170
[ 4641.414576][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4641.414576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4641.414576][   T10]      netlink_rcv_skb+0x130/0x360
[ 4641.414576][   T10]      netlink_unicast+0x449/0x710
[ 4641.414576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4641.414576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4641.414576][   T10]      ___sys_sendmsg+0xee/0x170
[ 4641.414576][   T10]      __sys_sendmsg+0xcd/0x170
[ 4641.414576][   T10]      do_syscall_64+0xc6/0x1e0
[ 4641.414576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4641.414576][   T10] 
[ 4651.528784][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4651.529208][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.529208][   T10]      dst_init+0x84/0x4a0
[ 4651.529208][   T10]      dst_alloc+0x97/0x150
[ 4651.529208][   T10]      ip6_dst_alloc+0x23/0x90
[ 4651.529208][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4651.529208][   T10]      ip6_pol_route+0x56f/0x840
[ 4651.529208][   T10]      fib6_rule_lookup+0x456/0x630
[ 4651.529208][   T10]      ip6_route_input+0x59c/0xa50
[ 4651.529208][   T10]      ipv6_rcv+0x397/0x810
[ 4651.529208][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4651.529208][   T10]      process_backlog+0x101/0x620
[ 4651.529208][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4651.529208][   T10]      net_rx_action+0x495/0xbe0
[ 4651.529208][   T10]      __do_softirq+0x1b5/0x7f6
[ 4651.529208][   T10] 
[ 4651.531052][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.531052][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4651.531052][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4651.531052][   T10]      fib6_nh_init+0xa22/0x1580
[ 4651.531052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.531052][   T10]      ip6_route_add+0x1c/0x140
[ 4651.531052][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4651.531052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.531052][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.531052][   T10]      netlink_unicast+0x449/0x710
[ 4651.531052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.531052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.531052][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.531052][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.531052][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.531052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.531052][   T10] 
[ 4651.533155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.533155][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.533155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.533155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.533155][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4651.533155][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4651.533155][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4651.533155][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4651.533155][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4651.533155][   T10]      addrconf_dad_begin+0x310/0x670
[ 4651.533155][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4651.533155][   T10]      process_one_work+0x84d/0x18a0
[ 4651.533155][   T10]      worker_thread+0x587/0xd30
[ 4651.533155][   T10]      kthread+0x28a/0x350
[ 4651.533155][   T10]      ret_from_fork+0x31/0x70
[ 4651.533155][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4651.533155][   T10] 
[ 4651.535290][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.535290][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.535290][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.535290][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.535290][   T10]      ip6_route_add+0x1c/0x140
[ 4651.535290][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4651.535290][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4651.535290][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.535290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.535290][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.535290][   T10]      netlink_unicast+0x449/0x710
[ 4651.535290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.535290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.535290][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.535290][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.535290][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.535290][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.535290][   T10] 
[ 4651.537521][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.537521][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.537521][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.537521][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.537521][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4651.537521][   T10]      ipv6_add_addr+0x411/0x2000
[ 4651.537521][   T10]      inet6_addr_add+0x30e/0xa40
[ 4651.537521][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.537521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.537521][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.537521][   T10]      netlink_unicast+0x449/0x710
[ 4651.537521][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.537521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.537521][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.537521][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.537521][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.537521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.537521][   T10] 
[ 4651.539737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.539737][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.539737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.539737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.539737][   T10]      ip6_route_add+0x1c/0x140
[ 4651.539737][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4651.539737][   T10]      addrconf_add_dev+0xe2/0x170
[ 4651.539737][   T10]      inet6_addr_add+0x12f/0xa40
[ 4651.539737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.539737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.539737][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.539737][   T10]      netlink_unicast+0x449/0x710
[ 4651.539737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.539737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.539737][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.539737][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.539737][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.539737][   T10] 
[ 4651.541899][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.541899][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4651.541899][   T10]      ipv6_find_idev+0x102/0x170
[ 4651.541899][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4651.541899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.541899][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.541899][   T10]      netlink_unicast+0x449/0x710
[ 4651.541899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.541899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.541899][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.541899][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.541899][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.541899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.541899][   T10] 
[ 4651.543601][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4651.543601][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4651.543601][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4651.543601][   T10]      ipv6_find_idev+0x102/0x170
[ 4651.543601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4651.543601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.543601][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.543601][   T10]      netlink_unicast+0x449/0x710
[ 4651.543601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.543601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.543601][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.543601][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.543601][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.543601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.543601][   T10] 
[ 4651.545528][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4651.545803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.545803][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4651.545803][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4651.545803][   T10]      fib6_nh_init+0xa22/0x1580
[ 4651.545803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.545803][   T10]      ip6_route_add+0x1c/0x140
[ 4651.545803][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4651.545803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.545803][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.545803][   T10]      netlink_unicast+0x449/0x710
[ 4651.545803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.545803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.545803][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.545803][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.545803][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.545803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.545803][   T10] 
[ 4651.547881][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.547881][   T10]      dst_init+0x84/0x4a0
[ 4651.547881][   T10]      dst_alloc+0x97/0x150
[ 4651.547881][   T10]      ip6_dst_alloc+0x23/0x90
[ 4651.547881][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4651.547881][   T10]      ip6_pol_route+0x56f/0x840
[ 4651.547881][   T10]      fib6_rule_lookup+0x456/0x630
[ 4651.547881][   T10]      ip6_route_input+0x59c/0xa50
[ 4651.547881][   T10]      ipv6_rcv+0x397/0x810
[ 4651.547881][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4651.547881][   T10]      process_backlog+0x101/0x620
[ 4651.547881][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4651.547881][   T10]      net_rx_action+0x495/0xbe0
[ 4651.547881][   T10]      __do_softirq+0x1b5/0x7f6
[ 4651.547881][   T10] 
[ 4651.549687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.549687][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.549687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.549687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.549687][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4651.549687][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4651.549687][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4651.549687][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4651.549687][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4651.549687][   T10]      addrconf_dad_begin+0x310/0x670
[ 4651.549687][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4651.549687][   T10]      process_one_work+0x84d/0x18a0
[ 4651.549687][   T10]      worker_thread+0x587/0xd30
[ 4651.549687][   T10]      kthread+0x28a/0x350
[ 4651.549687][   T10]      ret_from_fork+0x31/0x70
[ 4651.549687][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4651.549687][   T10] 
[ 4651.551803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.551803][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.551803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.551803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.551803][   T10]      ip6_route_add+0x1c/0x140
[ 4651.551803][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4651.551803][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4651.551803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.551803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.551803][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.551803][   T10]      netlink_unicast+0x449/0x710
[ 4651.551803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.551803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.551803][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.551803][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.551803][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.551803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.551803][   T10] 
[ 4651.554026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.554026][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.554026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.554026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.554026][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4651.554026][   T10]      ipv6_add_addr+0x411/0x2000
[ 4651.554026][   T10]      inet6_addr_add+0x30e/0xa40
[ 4651.554026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.554026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.554026][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.554026][   T10]      netlink_unicast+0x449/0x710
[ 4651.554026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.554026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.554026][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.554026][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.554026][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.554026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.554026][   T10] 
[ 4651.556257][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.556257][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.556257][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.556257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.556257][   T10]      ip6_route_add+0x1c/0x140
[ 4651.556257][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4651.556257][   T10]      addrconf_add_dev+0xe2/0x170
[ 4651.556257][   T10]      inet6_addr_add+0x12f/0xa40
[ 4651.556257][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.556257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.556257][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.556257][   T10]      netlink_unicast+0x449/0x710
[ 4651.556257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.556257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.556257][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.556257][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.556257][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.556257][   T10] 
[ 4651.558547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.558547][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4651.558547][   T10]      ipv6_find_idev+0x102/0x170
[ 4651.558547][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4651.558547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.558547][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.558547][   T10]      netlink_unicast+0x449/0x710
[ 4651.558547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.558547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.558547][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.558547][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.558547][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.558547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.558547][   T10] 
[ 4651.560436][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4651.560436][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4651.560436][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4651.560436][   T10]      ipv6_find_idev+0x102/0x170
[ 4651.560436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4651.560436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.560436][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.560436][   T10]      netlink_unicast+0x449/0x710
[ 4651.560436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.560436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.560436][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.560436][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.560436][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.560436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.560436][   T10] 
[ 4651.562540][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4651.562902][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4651.562902][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.562902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.562902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.562902][   T10]      ip6_route_add+0x1c/0x140
[ 4651.562902][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4651.562902][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4651.562902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.562902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.562902][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.562902][   T10]      netlink_unicast+0x449/0x710
[ 4651.562902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.562902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.562902][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.562902][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.562902][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.562902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.562902][   T10] 
[ 4651.565298][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4651.565298][   T10]      netdev_get_by_index+0x5e/0x80
[ 4651.565298][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4651.565298][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4651.565298][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4651.565298][   T10]      ipv6_add_addr+0x411/0x2000
[ 4651.565298][   T10]      inet6_addr_add+0x30e/0xa40
[ 4651.565298][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4651.565298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.565298][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.565298][   T10]      netlink_unicast+0x449/0x710
[ 4651.565298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.565298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.565298][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.565298][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.565298][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.565298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.565298][   T10] 
[ 4651.567681][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4651.567681][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4651.567681][   T10]      ipv6_find_idev+0x102/0x170
[ 4651.567681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4651.567681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.567681][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.567681][   T10]      netlink_unicast+0x449/0x710
[ 4651.567681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.567681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.567681][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.567681][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.567681][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.567681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.567681][   T10] 
[ 4651.569589][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4651.569589][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4651.569589][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4651.569589][   T10]      ipv6_find_idev+0x102/0x170
[ 4651.569589][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4651.569589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4651.569589][   T10]      netlink_rcv_skb+0x130/0x360
[ 4651.569589][   T10]      netlink_unicast+0x449/0x710
[ 4651.569589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4651.569589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4651.569589][   T10]      ___sys_sendmsg+0xee/0x170
[ 4651.569589][   T10]      __sys_sendmsg+0xcd/0x170
[ 4651.569589][   T10]      do_syscall_64+0xc6/0x1e0
[ 4651.569589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4651.569589][   T10] 
[ 4661.808701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4661.809066][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.809066][   T10]      dst_init+0x84/0x4a0
[ 4661.809066][   T10]      dst_alloc+0x97/0x150
[ 4661.809066][   T10]      ip6_dst_alloc+0x23/0x90
[ 4661.809066][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4661.809066][   T10]      ip6_pol_route+0x56f/0x840
[ 4661.809066][   T10]      fib6_rule_lookup+0x456/0x630
[ 4661.809066][   T10]      ip6_route_input+0x59c/0xa50
[ 4661.809066][   T10]      ipv6_rcv+0x397/0x810
[ 4661.809066][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4661.809066][   T10]      process_backlog+0x101/0x620
[ 4661.809066][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4661.809066][   T10]      net_rx_action+0x495/0xbe0
[ 4661.809066][   T10]      __do_softirq+0x1b5/0x7f6
[ 4661.809066][   T10] 
[ 4661.810958][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.810958][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4661.810958][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4661.810958][   T10]      fib6_nh_init+0xa22/0x1580
[ 4661.810958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.810958][   T10]      ip6_route_add+0x1c/0x140
[ 4661.810958][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4661.810958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.810958][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.810958][   T10]      netlink_unicast+0x449/0x710
[ 4661.810958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.810958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.810958][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.810958][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.810958][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.810958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.810958][   T10] 
[ 4661.813092][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.813092][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.813092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.813092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.813092][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4661.813092][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4661.813092][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4661.813092][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4661.813092][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4661.813092][   T10]      addrconf_dad_begin+0x310/0x670
[ 4661.813092][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4661.813092][   T10]      process_one_work+0x84d/0x18a0
[ 4661.813092][   T10]      worker_thread+0x587/0xd30
[ 4661.813092][   T10]      kthread+0x28a/0x350
[ 4661.813092][   T10]      ret_from_fork+0x31/0x70
[ 4661.813092][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4661.813092][   T10] 
[ 4661.815265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.815265][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.815265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.815265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.815265][   T10]      ip6_route_add+0x1c/0x140
[ 4661.815265][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4661.815265][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4661.815265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.815265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.815265][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.815265][   T10]      netlink_unicast+0x449/0x710
[ 4661.815265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.815265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.815265][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.815265][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.815265][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.815265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.815265][   T10] 
[ 4661.817528][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.817528][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.817528][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.817528][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.817528][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4661.817528][   T10]      ipv6_add_addr+0x411/0x2000
[ 4661.817528][   T10]      inet6_addr_add+0x30e/0xa40
[ 4661.817528][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.817528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.817528][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.817528][   T10]      netlink_unicast+0x449/0x710
[ 4661.817528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.817528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.817528][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.817528][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.817528][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.817528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.817528][   T10] 
[ 4661.819780][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.819780][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.819780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.819780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.819780][   T10]      ip6_route_add+0x1c/0x140
[ 4661.819780][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4661.819780][   T10]      addrconf_add_dev+0xe2/0x170
[ 4661.819780][   T10]      inet6_addr_add+0x12f/0xa40
[ 4661.819780][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.819780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.819780][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.819780][   T10]      netlink_unicast+0x449/0x710
[ 4661.819780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.819780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.819780][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.819780][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.819780][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.819780][   T10] 
[ 4661.822004][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.822004][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4661.822004][   T10]      ipv6_find_idev+0x102/0x170
[ 4661.822004][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4661.822004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.822004][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.822004][   T10]      netlink_unicast+0x449/0x710
[ 4661.822004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.822004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.822004][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.822004][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.822004][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.822004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.822004][   T10] 
[ 4661.823735][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4661.823735][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4661.823735][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4661.823735][   T10]      ipv6_find_idev+0x102/0x170
[ 4661.823735][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4661.823735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.823735][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.823735][   T10]      netlink_unicast+0x449/0x710
[ 4661.823735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.823735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.823735][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.823735][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.823735][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.823735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.823735][   T10] 
[ 4661.825639][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4661.825906][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.825906][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4661.825906][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4661.825906][   T10]      fib6_nh_init+0xa22/0x1580
[ 4661.825906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.825906][   T10]      ip6_route_add+0x1c/0x140
[ 4661.825906][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4661.825906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.825906][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.825906][   T10]      netlink_unicast+0x449/0x710
[ 4661.825906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.825906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.825906][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.825906][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.825906][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.825906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.825906][   T10] 
[ 4661.828021][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.828021][   T10]      dst_init+0x84/0x4a0
[ 4661.828021][   T10]      dst_alloc+0x97/0x150
[ 4661.828021][   T10]      ip6_dst_alloc+0x23/0x90
[ 4661.828021][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4661.828021][   T10]      ip6_pol_route+0x56f/0x840
[ 4661.828021][   T10]      fib6_rule_lookup+0x456/0x630
[ 4661.828021][   T10]      ip6_route_input+0x59c/0xa50
[ 4661.828021][   T10]      ipv6_rcv+0x397/0x810
[ 4661.828021][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4661.828021][   T10]      process_backlog+0x101/0x620
[ 4661.828021][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4661.828021][   T10]      net_rx_action+0x495/0xbe0
[ 4661.828021][   T10]      __do_softirq+0x1b5/0x7f6
[ 4661.828021][   T10] 
[ 4661.829877][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.829877][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.829877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.829877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.829877][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4661.829877][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4661.829877][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4661.829877][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4661.829877][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4661.829877][   T10]      addrconf_dad_begin+0x310/0x670
[ 4661.829877][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4661.829877][   T10]      process_one_work+0x84d/0x18a0
[ 4661.829877][   T10]      worker_thread+0x587/0xd30
[ 4661.829877][   T10]      kthread+0x28a/0x350
[ 4661.829877][   T10]      ret_from_fork+0x31/0x70
[ 4661.829877][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4661.829877][   T10] 
[ 4661.832018][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.832018][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.832018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.832018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.832018][   T10]      ip6_route_add+0x1c/0x140
[ 4661.832018][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4661.832018][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4661.832018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.832018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.832018][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.832018][   T10]      netlink_unicast+0x449/0x710
[ 4661.832018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.832018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.832018][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.832018][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.832018][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.832018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.832018][   T10] 
[ 4661.834285][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.834285][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.834285][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.834285][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.834285][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4661.834285][   T10]      ipv6_add_addr+0x411/0x2000
[ 4661.834285][   T10]      inet6_addr_add+0x30e/0xa40
[ 4661.834285][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.834285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.834285][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.834285][   T10]      netlink_unicast+0x449/0x710
[ 4661.834285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.834285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.834285][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.834285][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.834285][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.834285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.834285][   T10] 
[ 4661.836530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.836530][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.836530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.836530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.836530][   T10]      ip6_route_add+0x1c/0x140
[ 4661.836530][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4661.836530][   T10]      addrconf_add_dev+0xe2/0x170
[ 4661.836530][   T10]      inet6_addr_add+0x12f/0xa40
[ 4661.836530][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.836530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.836530][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.836530][   T10]      netlink_unicast+0x449/0x710
[ 4661.836530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.836530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.836530][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.836530][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.836530][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.836530][   T10] 
[ 4661.838875][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.838875][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4661.838875][   T10]      ipv6_find_idev+0x102/0x170
[ 4661.838875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4661.838875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.838875][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.838875][   T10]      netlink_unicast+0x449/0x710
[ 4661.838875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.838875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.838875][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.838875][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.838875][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.838875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.838875][   T10] 
[ 4661.840860][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4661.840860][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4661.840860][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4661.840860][   T10]      ipv6_find_idev+0x102/0x170
[ 4661.840860][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4661.840860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.840860][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.840860][   T10]      netlink_unicast+0x449/0x710
[ 4661.840860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.840860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.840860][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.840860][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.840860][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.840860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.840860][   T10] 
[ 4661.842926][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4661.843251][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4661.843251][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.843251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.843251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.843251][   T10]      ip6_route_add+0x1c/0x140
[ 4661.843251][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4661.843251][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4661.843251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.843251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.843251][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.843251][   T10]      netlink_unicast+0x449/0x710
[ 4661.843251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.843251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.843251][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.843251][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.843251][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.843251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.843251][   T10] 
[ 4661.845738][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4661.845738][   T10]      netdev_get_by_index+0x5e/0x80
[ 4661.845738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4661.845738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4661.845738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4661.845738][   T10]      ipv6_add_addr+0x411/0x2000
[ 4661.845738][   T10]      inet6_addr_add+0x30e/0xa40
[ 4661.845738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4661.845738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.845738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.845738][   T10]      netlink_unicast+0x449/0x710
[ 4661.845738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.845738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.845738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.845738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.845738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.845738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.845738][   T10] 
[ 4661.848303][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4661.848303][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4661.848303][   T10]      ipv6_find_idev+0x102/0x170
[ 4661.848303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4661.848303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.848303][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.848303][   T10]      netlink_unicast+0x449/0x710
[ 4661.848303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.848303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.848303][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.848303][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.848303][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.848303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.848303][   T10] 
[ 4661.850253][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4661.850253][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4661.850253][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4661.850253][   T10]      ipv6_find_idev+0x102/0x170
[ 4661.850253][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4661.850253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4661.850253][   T10]      netlink_rcv_skb+0x130/0x360
[ 4661.850253][   T10]      netlink_unicast+0x449/0x710
[ 4661.850253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4661.850253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4661.850253][   T10]      ___sys_sendmsg+0xee/0x170
[ 4661.850253][   T10]      __sys_sendmsg+0xcd/0x170
[ 4661.850253][   T10]      do_syscall_64+0xc6/0x1e0
[ 4661.850253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4661.850253][   T10] 
[ 4672.032698][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4672.033226][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.033226][   T10]      dst_init+0x84/0x4a0
[ 4672.033226][   T10]      dst_alloc+0x97/0x150
[ 4672.033226][   T10]      ip6_dst_alloc+0x23/0x90
[ 4672.033226][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4672.033226][   T10]      ip6_pol_route+0x56f/0x840
[ 4672.033226][   T10]      fib6_rule_lookup+0x456/0x630
[ 4672.033226][   T10]      ip6_route_input+0x59c/0xa50
[ 4672.033226][   T10]      ipv6_rcv+0x397/0x810
[ 4672.033226][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4672.033226][   T10]      process_backlog+0x101/0x620
[ 4672.033226][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4672.033226][   T10]      net_rx_action+0x495/0xbe0
[ 4672.033226][   T10]      __do_softirq+0x1b5/0x7f6
[ 4672.033226][   T10] 
[ 4672.035849][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.035849][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4672.035849][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4672.035849][   T10]      fib6_nh_init+0xa22/0x1580
[ 4672.035849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.035849][   T10]      ip6_route_add+0x1c/0x140
[ 4672.035849][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4672.035849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.035849][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.035849][   T10]      netlink_unicast+0x449/0x710
[ 4672.035849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.035849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.035849][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.035849][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.035849][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.035849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.035849][   T10] 
[ 4672.038869][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.038869][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.038869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.038869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.038869][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4672.038869][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4672.038869][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4672.038869][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4672.038869][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4672.038869][   T10]      addrconf_dad_begin+0x310/0x670
[ 4672.038869][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4672.038869][   T10]      process_one_work+0x84d/0x18a0
[ 4672.038869][   T10]      worker_thread+0x587/0xd30
[ 4672.038869][   T10]      kthread+0x28a/0x350
[ 4672.038869][   T10]      ret_from_fork+0x31/0x70
[ 4672.038869][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4672.038869][   T10] 
[ 4672.041967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.041967][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.041967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.041967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.041967][   T10]      ip6_route_add+0x1c/0x140
[ 4672.041967][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4672.041967][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4672.041967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.041967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.041967][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.041967][   T10]      netlink_unicast+0x449/0x710
[ 4672.041967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.041967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.041967][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.041967][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.041967][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.041967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.041967][   T10] 
[ 4672.045156][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.045156][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.045156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.045156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.045156][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4672.045156][   T10]      ipv6_add_addr+0x411/0x2000
[ 4672.045156][   T10]      inet6_addr_add+0x30e/0xa40
[ 4672.045156][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.045156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.045156][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.045156][   T10]      netlink_unicast+0x449/0x710
[ 4672.045156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.045156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.045156][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.045156][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.045156][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.045156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.045156][   T10] 
[ 4672.048255][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.048255][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.048255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.048255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.048255][   T10]      ip6_route_add+0x1c/0x140
[ 4672.048255][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4672.048255][   T10]      addrconf_add_dev+0xe2/0x170
[ 4672.048255][   T10]      inet6_addr_add+0x12f/0xa40
[ 4672.048255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.048255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.048255][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.048255][   T10]      netlink_unicast+0x449/0x710
[ 4672.048255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.048255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.048255][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.048255][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.048255][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.048255][   T10] 
[ 4672.051188][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.051188][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4672.051188][   T10]      ipv6_find_idev+0x102/0x170
[ 4672.051188][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4672.051188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.051188][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.051188][   T10]      netlink_unicast+0x449/0x710
[ 4672.051188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.051188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.051188][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.051188][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.051188][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.051188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.051188][   T10] 
[ 4672.053613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4672.053613][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4672.053613][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4672.053613][   T10]      ipv6_find_idev+0x102/0x170
[ 4672.053613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4672.053613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.053613][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.053613][   T10]      netlink_unicast+0x449/0x710
[ 4672.053613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.053613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.053613][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.053613][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.053613][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.053613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.053613][   T10] 
[ 4672.056129][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4672.056479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.056479][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4672.056479][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4672.056479][   T10]      fib6_nh_init+0xa22/0x1580
[ 4672.056479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.056479][   T10]      ip6_route_add+0x1c/0x140
[ 4672.056479][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4672.056479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.056479][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.056479][   T10]      netlink_unicast+0x449/0x710
[ 4672.056479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.056479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.056479][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.056479][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.056479][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.056479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.056479][   T10] 
[ 4672.059200][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.059200][   T10]      dst_init+0x84/0x4a0
[ 4672.059200][   T10]      dst_alloc+0x97/0x150
[ 4672.059200][   T10]      ip6_dst_alloc+0x23/0x90
[ 4672.059200][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4672.059200][   T10]      ip6_pol_route+0x56f/0x840
[ 4672.059200][   T10]      fib6_rule_lookup+0x456/0x630
[ 4672.059200][   T10]      ip6_route_input+0x59c/0xa50
[ 4672.059200][   T10]      ipv6_rcv+0x397/0x810
[ 4672.059200][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4672.059200][   T10]      process_backlog+0x101/0x620
[ 4672.059200][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4672.059200][   T10]      net_rx_action+0x495/0xbe0
[ 4672.059200][   T10]      __do_softirq+0x1b5/0x7f6
[ 4672.059200][   T10] 
[ 4672.061793][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.061793][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.061793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.061793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.061793][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4672.061793][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4672.061793][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4672.061793][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4672.061793][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4672.061793][   T10]      addrconf_dad_begin+0x310/0x670
[ 4672.061793][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4672.061793][   T10]      process_one_work+0x84d/0x18a0
[ 4672.061793][   T10]      worker_thread+0x587/0xd30
[ 4672.061793][   T10]      kthread+0x28a/0x350
[ 4672.061793][   T10]      ret_from_fork+0x31/0x70
[ 4672.061793][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4672.061793][   T10] 
[ 4672.064372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.064372][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.064372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.064372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.064372][   T10]      ip6_route_add+0x1c/0x140
[ 4672.064372][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4672.064372][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4672.064372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.064372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.064372][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.064372][   T10]      netlink_unicast+0x449/0x710
[ 4672.064372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.064372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.064372][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.064372][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.064372][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.064372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.064372][   T10] 
[ 4672.067277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.067277][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.067277][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.067277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.067277][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4672.067277][   T10]      ipv6_add_addr+0x411/0x2000
[ 4672.067277][   T10]      inet6_addr_add+0x30e/0xa40
[ 4672.067277][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.067277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.067277][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.067277][   T10]      netlink_unicast+0x449/0x710
[ 4672.067277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.067277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.067277][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.067277][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.067277][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.067277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.067277][   T10] 
[ 4672.070267][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.070267][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.070267][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.070267][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.070267][   T10]      ip6_route_add+0x1c/0x140
[ 4672.070267][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4672.070267][   T10]      addrconf_add_dev+0xe2/0x170
[ 4672.070267][   T10]      inet6_addr_add+0x12f/0xa40
[ 4672.070267][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.070267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.070267][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.070267][   T10]      netlink_unicast+0x449/0x710
[ 4672.070267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.070267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.070267][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.070267][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.070267][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.070267][   T10] 
[ 4672.073242][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.073242][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4672.073242][   T10]      ipv6_find_idev+0x102/0x170
[ 4672.073242][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4672.073242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.073242][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.073242][   T10]      netlink_unicast+0x449/0x710
[ 4672.073242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.073242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.073242][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.073242][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.073242][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.073242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.073242][   T10] 
[ 4672.075887][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4672.075887][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4672.075887][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4672.075887][   T10]      ipv6_find_idev+0x102/0x170
[ 4672.075887][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4672.075887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.075887][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.075887][   T10]      netlink_unicast+0x449/0x710
[ 4672.075887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.075887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.075887][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.075887][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.075887][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.075887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.075887][   T10] 
[ 4672.078721][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4672.079144][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4672.079144][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.079144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.079144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.079144][   T10]      ip6_route_add+0x1c/0x140
[ 4672.079144][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4672.079144][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4672.079144][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.079144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.079144][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.079144][   T10]      netlink_unicast+0x449/0x710
[ 4672.079144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.079144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.079144][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.079144][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.079144][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.079144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.079144][   T10] 
[ 4672.082636][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4672.082636][   T10]      netdev_get_by_index+0x5e/0x80
[ 4672.082636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4672.082636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4672.082636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4672.082636][   T10]      ipv6_add_addr+0x411/0x2000
[ 4672.082636][   T10]      inet6_addr_add+0x30e/0xa40
[ 4672.082636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4672.082636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.082636][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.082636][   T10]      netlink_unicast+0x449/0x710
[ 4672.082636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.082636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.082636][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.082636][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.082636][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.082636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.082636][   T10] 
[ 4672.085907][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4672.085907][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4672.085907][   T10]      ipv6_find_idev+0x102/0x170
[ 4672.085907][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4672.085907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.085907][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.085907][   T10]      netlink_unicast+0x449/0x710
[ 4672.085907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.085907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.085907][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.085907][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.085907][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.085907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.085907][   T10] 
[ 4672.088615][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4672.088615][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4672.088615][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4672.088615][   T10]      ipv6_find_idev+0x102/0x170
[ 4672.088615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4672.088615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4672.088615][   T10]      netlink_rcv_skb+0x130/0x360
[ 4672.088615][   T10]      netlink_unicast+0x449/0x710
[ 4672.088615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4672.088615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4672.088615][   T10]      ___sys_sendmsg+0xee/0x170
[ 4672.088615][   T10]      __sys_sendmsg+0xcd/0x170
[ 4672.088615][   T10]      do_syscall_64+0xc6/0x1e0
[ 4672.088615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4672.088615][   T10] 
[ 4682.144672][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4682.145059][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.145059][   T10]      dst_init+0x84/0x4a0
[ 4682.145059][   T10]      dst_alloc+0x97/0x150
[ 4682.145059][   T10]      ip6_dst_alloc+0x23/0x90
[ 4682.145059][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4682.145059][   T10]      ip6_pol_route+0x56f/0x840
[ 4682.145059][   T10]      fib6_rule_lookup+0x456/0x630
[ 4682.145059][   T10]      ip6_route_input+0x59c/0xa50
[ 4682.145059][   T10]      ipv6_rcv+0x397/0x810
[ 4682.145059][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4682.145059][   T10]      process_backlog+0x101/0x620
[ 4682.145059][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4682.145059][   T10]      net_rx_action+0x495/0xbe0
[ 4682.145059][   T10]      __do_softirq+0x1b5/0x7f6
[ 4682.145059][   T10] 
[ 4682.146911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.146911][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4682.146911][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4682.146911][   T10]      fib6_nh_init+0xa22/0x1580
[ 4682.146911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.146911][   T10]      ip6_route_add+0x1c/0x140
[ 4682.146911][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4682.146911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.146911][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.146911][   T10]      netlink_unicast+0x449/0x710
[ 4682.146911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.146911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.146911][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.146911][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.146911][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.146911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.146911][   T10] 
[ 4682.149112][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.149112][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.149112][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.149112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.149112][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4682.149112][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4682.149112][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4682.149112][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4682.149112][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4682.149112][   T10]      addrconf_dad_begin+0x310/0x670
[ 4682.149112][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4682.149112][   T10]      process_one_work+0x84d/0x18a0
[ 4682.149112][   T10]      worker_thread+0x587/0xd30
[ 4682.149112][   T10]      kthread+0x28a/0x350
[ 4682.149112][   T10]      ret_from_fork+0x31/0x70
[ 4682.149112][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4682.149112][   T10] 
[ 4682.151303][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.151303][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.151303][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.151303][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.151303][   T10]      ip6_route_add+0x1c/0x140
[ 4682.151303][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4682.151303][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4682.151303][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.151303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.151303][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.151303][   T10]      netlink_unicast+0x449/0x710
[ 4682.151303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.151303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.151303][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.151303][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.151303][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.151303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.151303][   T10] 
[ 4682.153596][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.153596][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.153596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.153596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.153596][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4682.153596][   T10]      ipv6_add_addr+0x411/0x2000
[ 4682.153596][   T10]      inet6_addr_add+0x30e/0xa40
[ 4682.153596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.153596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.153596][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.153596][   T10]      netlink_unicast+0x449/0x710
[ 4682.153596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.153596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.153596][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.153596][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.153596][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.153596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.153596][   T10] 
[ 4682.155914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.155914][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.155914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.155914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.155914][   T10]      ip6_route_add+0x1c/0x140
[ 4682.155914][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4682.155914][   T10]      addrconf_add_dev+0xe2/0x170
[ 4682.155914][   T10]      inet6_addr_add+0x12f/0xa40
[ 4682.155914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.155914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.155914][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.155914][   T10]      netlink_unicast+0x449/0x710
[ 4682.155914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.155914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.155914][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.155914][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.155914][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.155914][   T10] 
[ 4682.158154][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.158154][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4682.158154][   T10]      ipv6_find_idev+0x102/0x170
[ 4682.158154][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4682.158154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.158154][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.158154][   T10]      netlink_unicast+0x449/0x710
[ 4682.158154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.158154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.158154][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.158154][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.158154][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.158154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.158154][   T10] 
[ 4682.159901][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4682.159901][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4682.159901][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4682.159901][   T10]      ipv6_find_idev+0x102/0x170
[ 4682.159901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4682.159901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.159901][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.159901][   T10]      netlink_unicast+0x449/0x710
[ 4682.159901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.159901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.159901][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.159901][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.159901][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.159901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.159901][   T10] 
[ 4682.161828][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4682.162093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.162093][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4682.162093][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4682.162093][   T10]      fib6_nh_init+0xa22/0x1580
[ 4682.162093][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.162093][   T10]      ip6_route_add+0x1c/0x140
[ 4682.162093][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4682.162093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.162093][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.162093][   T10]      netlink_unicast+0x449/0x710
[ 4682.162093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.162093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.162093][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.162093][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.162093][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.162093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.162093][   T10] 
[ 4682.164231][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.164231][   T10]      dst_init+0x84/0x4a0
[ 4682.164231][   T10]      dst_alloc+0x97/0x150
[ 4682.164231][   T10]      ip6_dst_alloc+0x23/0x90
[ 4682.164231][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4682.164231][   T10]      ip6_pol_route+0x56f/0x840
[ 4682.164231][   T10]      fib6_rule_lookup+0x456/0x630
[ 4682.164231][   T10]      ip6_route_input+0x59c/0xa50
[ 4682.164231][   T10]      ipv6_rcv+0x397/0x810
[ 4682.164231][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4682.164231][   T10]      process_backlog+0x101/0x620
[ 4682.164231][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4682.164231][   T10]      net_rx_action+0x495/0xbe0
[ 4682.164231][   T10]      __do_softirq+0x1b5/0x7f6
[ 4682.164231][   T10] 
[ 4682.166104][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.166104][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.166104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.166104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.166104][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4682.166104][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4682.166104][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4682.166104][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4682.166104][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4682.166104][   T10]      addrconf_dad_begin+0x310/0x670
[ 4682.166104][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4682.166104][   T10]      process_one_work+0x84d/0x18a0
[ 4682.166104][   T10]      worker_thread+0x587/0xd30
[ 4682.166104][   T10]      kthread+0x28a/0x350
[ 4682.166104][   T10]      ret_from_fork+0x31/0x70
[ 4682.166104][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4682.166104][   T10] 
[ 4682.168266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.168266][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.168266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.168266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.168266][   T10]      ip6_route_add+0x1c/0x140
[ 4682.168266][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4682.168266][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4682.168266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.168266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.168266][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.168266][   T10]      netlink_unicast+0x449/0x710
[ 4682.168266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.168266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.168266][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.168266][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.168266][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.168266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.168266][   T10] 
[ 4682.170539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.170539][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.170539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.170539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.170539][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4682.170539][   T10]      ipv6_add_addr+0x411/0x2000
[ 4682.170539][   T10]      inet6_addr_add+0x30e/0xa40
[ 4682.170539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.170539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.170539][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.170539][   T10]      netlink_unicast+0x449/0x710
[ 4682.170539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.170539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.170539][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.170539][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.170539][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.170539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.170539][   T10] 
[ 4682.172814][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.172814][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.172814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.172814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.172814][   T10]      ip6_route_add+0x1c/0x140
[ 4682.172814][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4682.172814][   T10]      addrconf_add_dev+0xe2/0x170
[ 4682.172814][   T10]      inet6_addr_add+0x12f/0xa40
[ 4682.172814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.172814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.172814][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.172814][   T10]      netlink_unicast+0x449/0x710
[ 4682.172814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.172814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.172814][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.172814][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.172814][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.172814][   T10] 
[ 4682.175215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.175215][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4682.175215][   T10]      ipv6_find_idev+0x102/0x170
[ 4682.175215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4682.175215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.175215][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.175215][   T10]      netlink_unicast+0x449/0x710
[ 4682.175215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.175215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.175215][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.175215][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.175215][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.175215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.175215][   T10] 
[ 4682.177239][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4682.177239][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4682.177239][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4682.177239][   T10]      ipv6_find_idev+0x102/0x170
[ 4682.177239][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4682.177239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.177239][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.177239][   T10]      netlink_unicast+0x449/0x710
[ 4682.177239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.177239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.177239][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.177239][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.177239][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.177239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.177239][   T10] 
[ 4682.179345][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4682.179700][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4682.179700][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.179700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.179700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.179700][   T10]      ip6_route_add+0x1c/0x140
[ 4682.179700][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4682.179700][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4682.179700][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.179700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.179700][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.179700][   T10]      netlink_unicast+0x449/0x710
[ 4682.179700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.179700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.179700][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.179700][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.179700][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.179700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.179700][   T10] 
[ 4682.182213][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4682.182213][   T10]      netdev_get_by_index+0x5e/0x80
[ 4682.182213][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4682.182213][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4682.182213][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4682.182213][   T10]      ipv6_add_addr+0x411/0x2000
[ 4682.182213][   T10]      inet6_addr_add+0x30e/0xa40
[ 4682.182213][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4682.182213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.182213][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.182213][   T10]      netlink_unicast+0x449/0x710
[ 4682.182213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.182213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.182213][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.182213][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.182213][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.182213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.182213][   T10] 
[ 4682.184635][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4682.184635][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4682.184635][   T10]      ipv6_find_idev+0x102/0x170
[ 4682.184635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4682.184635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.184635][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.184635][   T10]      netlink_unicast+0x449/0x710
[ 4682.184635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.184635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.184635][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.184635][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.184635][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.184635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.184635][   T10] 
[ 4682.186577][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4682.186577][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4682.186577][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4682.186577][   T10]      ipv6_find_idev+0x102/0x170
[ 4682.186577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4682.186577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4682.186577][   T10]      netlink_rcv_skb+0x130/0x360
[ 4682.186577][   T10]      netlink_unicast+0x449/0x710
[ 4682.186577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4682.186577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4682.186577][   T10]      ___sys_sendmsg+0xee/0x170
[ 4682.186577][   T10]      __sys_sendmsg+0xcd/0x170
[ 4682.186577][   T10]      do_syscall_64+0xc6/0x1e0
[ 4682.186577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4682.186577][   T10] 
[ 4692.376775][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4692.377181][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.377181][   T10]      dst_init+0x84/0x4a0
[ 4692.377181][   T10]      dst_alloc+0x97/0x150
[ 4692.377181][   T10]      ip6_dst_alloc+0x23/0x90
[ 4692.377181][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4692.377181][   T10]      ip6_pol_route+0x56f/0x840
[ 4692.377181][   T10]      fib6_rule_lookup+0x456/0x630
[ 4692.377181][   T10]      ip6_route_input+0x59c/0xa50
[ 4692.377181][   T10]      ipv6_rcv+0x397/0x810
[ 4692.377181][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4692.377181][   T10]      process_backlog+0x101/0x620
[ 4692.377181][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4692.377181][   T10]      net_rx_action+0x495/0xbe0
[ 4692.377181][   T10]      __do_softirq+0x1b5/0x7f6
[ 4692.377181][   T10] 
[ 4692.378921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.378921][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4692.378921][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4692.378921][   T10]      fib6_nh_init+0xa22/0x1580
[ 4692.378921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.378921][   T10]      ip6_route_add+0x1c/0x140
[ 4692.378921][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4692.378921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.378921][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.378921][   T10]      netlink_unicast+0x449/0x710
[ 4692.378921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.378921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.378921][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.378921][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.378921][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.378921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.378921][   T10] 
[ 4692.380874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.380874][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.380874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.380874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.380874][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4692.380874][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4692.380874][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4692.380874][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4692.380874][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4692.380874][   T10]      addrconf_dad_begin+0x310/0x670
[ 4692.380874][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4692.380874][   T10]      process_one_work+0x84d/0x18a0
[ 4692.380874][   T10]      worker_thread+0x587/0xd30
[ 4692.380874][   T10]      kthread+0x28a/0x350
[ 4692.380874][   T10]      ret_from_fork+0x31/0x70
[ 4692.380874][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4692.380874][   T10] 
[ 4692.382848][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.382848][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.382848][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.382848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.382848][   T10]      ip6_route_add+0x1c/0x140
[ 4692.382848][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4692.382848][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4692.382848][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.382848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.382848][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.382848][   T10]      netlink_unicast+0x449/0x710
[ 4692.382848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.382848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.382848][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.382848][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.382848][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.382848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.382848][   T10] 
[ 4692.384933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.384933][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.384933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.384933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.384933][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4692.384933][   T10]      ipv6_add_addr+0x411/0x2000
[ 4692.384933][   T10]      inet6_addr_add+0x30e/0xa40
[ 4692.384933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.384933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.384933][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.384933][   T10]      netlink_unicast+0x449/0x710
[ 4692.384933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.384933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.384933][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.384933][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.384933][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.384933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.384933][   T10] 
[ 4692.387000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.387000][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.387000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.387000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.387000][   T10]      ip6_route_add+0x1c/0x140
[ 4692.387000][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4692.387000][   T10]      addrconf_add_dev+0xe2/0x170
[ 4692.387000][   T10]      inet6_addr_add+0x12f/0xa40
[ 4692.387000][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.387000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.387000][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.387000][   T10]      netlink_unicast+0x449/0x710
[ 4692.387000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.387000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.387000][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.387000][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.387000][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.387000][   T10] 
[ 4692.389009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.389009][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4692.389009][   T10]      ipv6_find_idev+0x102/0x170
[ 4692.389009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4692.389009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.389009][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.389009][   T10]      netlink_unicast+0x449/0x710
[ 4692.389009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.389009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.389009][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.389009][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.389009][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.389009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.389009][   T10] 
[ 4692.390589][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4692.390589][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4692.390589][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4692.390589][   T10]      ipv6_find_idev+0x102/0x170
[ 4692.390589][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4692.390589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.390589][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.390589][   T10]      netlink_unicast+0x449/0x710
[ 4692.390589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.390589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.390589][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.390589][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.390589][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.390589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.390589][   T10] 
[ 4692.392395][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4692.392662][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.392662][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4692.392662][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4692.392662][   T10]      fib6_nh_init+0xa22/0x1580
[ 4692.392662][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.392662][   T10]      ip6_route_add+0x1c/0x140
[ 4692.392662][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4692.392662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.392662][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.392662][   T10]      netlink_unicast+0x449/0x710
[ 4692.392662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.392662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.392662][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.392662][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.392662][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.392662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.392662][   T10] 
[ 4692.394588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.394588][   T10]      dst_init+0x84/0x4a0
[ 4692.394588][   T10]      dst_alloc+0x97/0x150
[ 4692.394588][   T10]      ip6_dst_alloc+0x23/0x90
[ 4692.394588][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4692.394588][   T10]      ip6_pol_route+0x56f/0x840
[ 4692.394588][   T10]      fib6_rule_lookup+0x456/0x630
[ 4692.394588][   T10]      ip6_route_input+0x59c/0xa50
[ 4692.394588][   T10]      ipv6_rcv+0x397/0x810
[ 4692.394588][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4692.394588][   T10]      process_backlog+0x101/0x620
[ 4692.394588][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4692.394588][   T10]      net_rx_action+0x495/0xbe0
[ 4692.394588][   T10]      __do_softirq+0x1b5/0x7f6
[ 4692.394588][   T10] 
[ 4692.396251][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.396251][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.396251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.396251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.396251][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4692.396251][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4692.396251][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4692.396251][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4692.396251][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4692.396251][   T10]      addrconf_dad_begin+0x310/0x670
[ 4692.396251][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4692.396251][   T10]      process_one_work+0x84d/0x18a0
[ 4692.396251][   T10]      worker_thread+0x587/0xd30
[ 4692.396251][   T10]      kthread+0x28a/0x350
[ 4692.396251][   T10]      ret_from_fork+0x31/0x70
[ 4692.396251][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4692.396251][   T10] 
[ 4692.398189][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.398189][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.398189][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.398189][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.398189][   T10]      ip6_route_add+0x1c/0x140
[ 4692.398189][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4692.398189][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4692.398189][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.398189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.398189][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.398189][   T10]      netlink_unicast+0x449/0x710
[ 4692.398189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.398189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.398189][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.398189][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.398189][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.398189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.398189][   T10] 
[ 4692.400253][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.400253][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.400253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.400253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.400253][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4692.400253][   T10]      ipv6_add_addr+0x411/0x2000
[ 4692.400253][   T10]      inet6_addr_add+0x30e/0xa40
[ 4692.400253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.400253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.400253][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.400253][   T10]      netlink_unicast+0x449/0x710
[ 4692.400253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.400253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.400253][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.400253][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.400253][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.400253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.400253][   T10] 
[ 4692.402320][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.402320][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.402320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.402320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.402320][   T10]      ip6_route_add+0x1c/0x140
[ 4692.402320][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4692.402320][   T10]      addrconf_add_dev+0xe2/0x170
[ 4692.402320][   T10]      inet6_addr_add+0x12f/0xa40
[ 4692.402320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.402320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.402320][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.402320][   T10]      netlink_unicast+0x449/0x710
[ 4692.402320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.402320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.402320][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.402320][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.402320][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.402320][   T10] 
[ 4692.404529][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.404529][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4692.404529][   T10]      ipv6_find_idev+0x102/0x170
[ 4692.404529][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4692.404529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.404529][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.404529][   T10]      netlink_unicast+0x449/0x710
[ 4692.404529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.404529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.404529][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.404529][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.404529][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.404529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.404529][   T10] 
[ 4692.406308][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4692.406308][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4692.406308][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4692.406308][   T10]      ipv6_find_idev+0x102/0x170
[ 4692.406308][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4692.406308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.406308][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.406308][   T10]      netlink_unicast+0x449/0x710
[ 4692.406308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.406308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.406308][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.406308][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.406308][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.406308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.406308][   T10] 
[ 4692.408303][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4692.408547][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4692.408547][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.408547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.408547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.408547][   T10]      ip6_route_add+0x1c/0x140
[ 4692.408547][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4692.408547][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4692.408547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.408547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.408547][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.408547][   T10]      netlink_unicast+0x449/0x710
[ 4692.408547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.408547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.408547][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.408547][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.408547][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.408547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.408547][   T10] 
[ 4692.410846][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4692.410846][   T10]      netdev_get_by_index+0x5e/0x80
[ 4692.410846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4692.410846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4692.410846][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4692.410846][   T10]      ipv6_add_addr+0x411/0x2000
[ 4692.410846][   T10]      inet6_addr_add+0x30e/0xa40
[ 4692.410846][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4692.410846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.410846][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.410846][   T10]      netlink_unicast+0x449/0x710
[ 4692.410846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.410846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.410846][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.410846][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.410846][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.410846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.410846][   T10] 
[ 4692.413125][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4692.413125][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4692.413125][   T10]      ipv6_find_idev+0x102/0x170
[ 4692.413125][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4692.413125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.413125][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.413125][   T10]      netlink_unicast+0x449/0x710
[ 4692.413125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.413125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.413125][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.413125][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.413125][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.413125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.413125][   T10] 
[ 4692.414938][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4692.414938][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4692.414938][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4692.414938][   T10]      ipv6_find_idev+0x102/0x170
[ 4692.414938][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4692.414938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4692.414938][   T10]      netlink_rcv_skb+0x130/0x360
[ 4692.414938][   T10]      netlink_unicast+0x449/0x710
[ 4692.414938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4692.414938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4692.414938][   T10]      ___sys_sendmsg+0xee/0x170
[ 4692.414938][   T10]      __sys_sendmsg+0xcd/0x170
[ 4692.414938][   T10]      do_syscall_64+0xc6/0x1e0
[ 4692.414938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4692.414938][   T10] 
[ 4702.464707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4702.465088][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.465088][   T10]      dst_init+0x84/0x4a0
[ 4702.465088][   T10]      dst_alloc+0x97/0x150
[ 4702.465088][   T10]      ip6_dst_alloc+0x23/0x90
[ 4702.465088][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4702.465088][   T10]      ip6_pol_route+0x56f/0x840
[ 4702.465088][   T10]      fib6_rule_lookup+0x456/0x630
[ 4702.465088][   T10]      ip6_route_input+0x59c/0xa50
[ 4702.465088][   T10]      ipv6_rcv+0x397/0x810
[ 4702.465088][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4702.465088][   T10]      process_backlog+0x101/0x620
[ 4702.465088][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4702.465088][   T10]      net_rx_action+0x495/0xbe0
[ 4702.465088][   T10]      __do_softirq+0x1b5/0x7f6
[ 4702.465088][   T10] 
[ 4702.466790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.466790][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4702.466790][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4702.466790][   T10]      fib6_nh_init+0xa22/0x1580
[ 4702.466790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.466790][   T10]      ip6_route_add+0x1c/0x140
[ 4702.466790][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4702.466790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.466790][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.466790][   T10]      netlink_unicast+0x449/0x710
[ 4702.466790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.466790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.466790][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.466790][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.466790][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.466790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.466790][   T10] 
[ 4702.468676][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.468676][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.468676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.468676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.468676][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4702.468676][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4702.468676][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4702.468676][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4702.468676][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4702.468676][   T10]      addrconf_dad_begin+0x310/0x670
[ 4702.468676][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4702.468676][   T10]      process_one_work+0x84d/0x18a0
[ 4702.468676][   T10]      worker_thread+0x587/0xd30
[ 4702.468676][   T10]      kthread+0x28a/0x350
[ 4702.468676][   T10]      ret_from_fork+0x31/0x70
[ 4702.468676][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4702.468676][   T10] 
[ 4702.470577][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.470577][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.470577][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.470577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.470577][   T10]      ip6_route_add+0x1c/0x140
[ 4702.470577][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4702.470577][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4702.470577][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.470577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.470577][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.470577][   T10]      netlink_unicast+0x449/0x710
[ 4702.470577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.470577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.470577][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.470577][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.470577][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.470577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.470577][   T10] 
[ 4702.472583][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.472583][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.472583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.472583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.472583][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4702.472583][   T10]      ipv6_add_addr+0x411/0x2000
[ 4702.472583][   T10]      inet6_addr_add+0x30e/0xa40
[ 4702.472583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.472583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.472583][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.472583][   T10]      netlink_unicast+0x449/0x710
[ 4702.472583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.472583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.472583][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.472583][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.472583][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.472583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.472583][   T10] 
[ 4702.474619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.474619][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.474619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.474619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.474619][   T10]      ip6_route_add+0x1c/0x140
[ 4702.474619][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4702.474619][   T10]      addrconf_add_dev+0xe2/0x170
[ 4702.474619][   T10]      inet6_addr_add+0x12f/0xa40
[ 4702.474619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.474619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.474619][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.474619][   T10]      netlink_unicast+0x449/0x710
[ 4702.474619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.474619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.474619][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.474619][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.474619][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.474619][   T10] 
[ 4702.476598][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.476598][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4702.476598][   T10]      ipv6_find_idev+0x102/0x170
[ 4702.476598][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4702.476598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.476598][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.476598][   T10]      netlink_unicast+0x449/0x710
[ 4702.476598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.476598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.476598][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.476598][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.476598][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.476598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.476598][   T10] 
[ 4702.478169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4702.478169][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4702.478169][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4702.478169][   T10]      ipv6_find_idev+0x102/0x170
[ 4702.478169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4702.478169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.478169][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.478169][   T10]      netlink_unicast+0x449/0x710
[ 4702.478169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.478169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.478169][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.478169][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.478169][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.478169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.478169][   T10] 
[ 4702.479991][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4702.480242][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.480242][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4702.480242][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4702.480242][   T10]      fib6_nh_init+0xa22/0x1580
[ 4702.480242][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.480242][   T10]      ip6_route_add+0x1c/0x140
[ 4702.480242][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4702.480242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.480242][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.480242][   T10]      netlink_unicast+0x449/0x710
[ 4702.480242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.480242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.480242][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.480242][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.480242][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.480242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.480242][   T10] 
[ 4702.482174][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.482174][   T10]      dst_init+0x84/0x4a0
[ 4702.482174][   T10]      dst_alloc+0x97/0x150
[ 4702.482174][   T10]      ip6_dst_alloc+0x23/0x90
[ 4702.482174][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4702.482174][   T10]      ip6_pol_route+0x56f/0x840
[ 4702.482174][   T10]      fib6_rule_lookup+0x456/0x630
[ 4702.482174][   T10]      ip6_route_input+0x59c/0xa50
[ 4702.482174][   T10]      ipv6_rcv+0x397/0x810
[ 4702.482174][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4702.482174][   T10]      process_backlog+0x101/0x620
[ 4702.482174][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4702.482174][   T10]      net_rx_action+0x495/0xbe0
[ 4702.482174][   T10]      __do_softirq+0x1b5/0x7f6
[ 4702.482174][   T10] 
[ 4702.483841][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.483841][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.483841][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.483841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.483841][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4702.483841][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4702.483841][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4702.483841][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4702.483841][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4702.483841][   T10]      addrconf_dad_begin+0x310/0x670
[ 4702.483841][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4702.483841][   T10]      process_one_work+0x84d/0x18a0
[ 4702.483841][   T10]      worker_thread+0x587/0xd30
[ 4702.483841][   T10]      kthread+0x28a/0x350
[ 4702.483841][   T10]      ret_from_fork+0x31/0x70
[ 4702.483841][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4702.483841][   T10] 
[ 4702.485797][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.485797][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.485797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.485797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.485797][   T10]      ip6_route_add+0x1c/0x140
[ 4702.485797][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4702.485797][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4702.485797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.485797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.485797][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.485797][   T10]      netlink_unicast+0x449/0x710
[ 4702.485797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.485797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.485797][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.485797][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.485797][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.485797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.485797][   T10] 
[ 4702.487835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.487835][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.487835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.487835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.487835][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4702.487835][   T10]      ipv6_add_addr+0x411/0x2000
[ 4702.487835][   T10]      inet6_addr_add+0x30e/0xa40
[ 4702.487835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.487835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.487835][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.487835][   T10]      netlink_unicast+0x449/0x710
[ 4702.487835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.487835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.487835][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.487835][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.487835][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.487835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.487835][   T10] 
[ 4702.489895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.489895][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.489895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.489895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.489895][   T10]      ip6_route_add+0x1c/0x140
[ 4702.489895][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4702.489895][   T10]      addrconf_add_dev+0xe2/0x170
[ 4702.489895][   T10]      inet6_addr_add+0x12f/0xa40
[ 4702.489895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.489895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.489895][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.489895][   T10]      netlink_unicast+0x449/0x710
[ 4702.489895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.489895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.489895][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.489895][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.489895][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.489895][   T10] 
[ 4702.492071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.492071][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4702.492071][   T10]      ipv6_find_idev+0x102/0x170
[ 4702.492071][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4702.492071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.492071][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.492071][   T10]      netlink_unicast+0x449/0x710
[ 4702.492071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.492071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.492071][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.492071][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.492071][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.492071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.492071][   T10] 
[ 4702.493886][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4702.493886][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4702.493886][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4702.493886][   T10]      ipv6_find_idev+0x102/0x170
[ 4702.493886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4702.493886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.493886][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.493886][   T10]      netlink_unicast+0x449/0x710
[ 4702.493886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.493886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.493886][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.493886][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.493886][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.493886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.493886][   T10] 
[ 4702.495809][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4702.496117][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4702.496117][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.496117][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.496117][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.496117][   T10]      ip6_route_add+0x1c/0x140
[ 4702.496117][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4702.496117][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4702.496117][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.496117][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.496117][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.496117][   T10]      netlink_unicast+0x449/0x710
[ 4702.496117][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.496117][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.496117][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.496117][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.496117][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.496117][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.496117][   T10] 
[ 4702.498341][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4702.498341][   T10]      netdev_get_by_index+0x5e/0x80
[ 4702.498341][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4702.498341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4702.498341][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4702.498341][   T10]      ipv6_add_addr+0x411/0x2000
[ 4702.498341][   T10]      inet6_addr_add+0x30e/0xa40
[ 4702.498341][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4702.498341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.498341][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.498341][   T10]      netlink_unicast+0x449/0x710
[ 4702.498341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.498341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.498341][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.498341][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.498341][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.498341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.498341][   T10] 
[ 4702.500713][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4702.500713][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4702.500713][   T10]      ipv6_find_idev+0x102/0x170
[ 4702.500713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4702.500713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.500713][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.500713][   T10]      netlink_unicast+0x449/0x710
[ 4702.500713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.500713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.500713][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.500713][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.500713][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.500713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.500713][   T10] 
[ 4702.502556][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4702.502556][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4702.502556][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4702.502556][   T10]      ipv6_find_idev+0x102/0x170
[ 4702.502556][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4702.502556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4702.502556][   T10]      netlink_rcv_skb+0x130/0x360
[ 4702.502556][   T10]      netlink_unicast+0x449/0x710
[ 4702.502556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4702.502556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4702.502556][   T10]      ___sys_sendmsg+0xee/0x170
[ 4702.502556][   T10]      __sys_sendmsg+0xcd/0x170
[ 4702.502556][   T10]      do_syscall_64+0xc6/0x1e0
[ 4702.502556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4702.502556][   T10] 
[ 4712.744647][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4712.745084][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.745084][   T10]      dst_init+0x84/0x4a0
[ 4712.745084][   T10]      dst_alloc+0x97/0x150
[ 4712.745084][   T10]      ip6_dst_alloc+0x23/0x90
[ 4712.745084][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4712.745084][   T10]      ip6_pol_route+0x56f/0x840
[ 4712.745084][   T10]      fib6_rule_lookup+0x456/0x630
[ 4712.745084][   T10]      ip6_route_input+0x59c/0xa50
[ 4712.745084][   T10]      ipv6_rcv+0x397/0x810
[ 4712.745084][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4712.745084][   T10]      process_backlog+0x101/0x620
[ 4712.745084][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4712.745084][   T10]      net_rx_action+0x495/0xbe0
[ 4712.745084][   T10]      __do_softirq+0x1b5/0x7f6
[ 4712.745084][   T10] 
[ 4712.747172][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.747172][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4712.747172][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4712.747172][   T10]      fib6_nh_init+0xa22/0x1580
[ 4712.747172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.747172][   T10]      ip6_route_add+0x1c/0x140
[ 4712.747172][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4712.747172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.747172][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.747172][   T10]      netlink_unicast+0x449/0x710
[ 4712.747172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.747172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.747172][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.747172][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.747172][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.747172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.747172][   T10] 
[ 4712.749545][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.749545][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.749545][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.749545][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.749545][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4712.749545][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4712.749545][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4712.749545][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4712.749545][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4712.749545][   T10]      addrconf_dad_begin+0x310/0x670
[ 4712.749545][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4712.749545][   T10]      process_one_work+0x84d/0x18a0
[ 4712.749545][   T10]      worker_thread+0x587/0xd30
[ 4712.749545][   T10]      kthread+0x28a/0x350
[ 4712.749545][   T10]      ret_from_fork+0x31/0x70
[ 4712.749545][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4712.749545][   T10] 
[ 4712.751923][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.751923][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.751923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.751923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.751923][   T10]      ip6_route_add+0x1c/0x140
[ 4712.751923][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4712.751923][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4712.751923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.751923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.751923][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.751923][   T10]      netlink_unicast+0x449/0x710
[ 4712.751923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.751923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.751923][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.751923][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.751923][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.751923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.751923][   T10] 
[ 4712.754460][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.754460][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.754460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.754460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.754460][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4712.754460][   T10]      ipv6_add_addr+0x411/0x2000
[ 4712.754460][   T10]      inet6_addr_add+0x30e/0xa40
[ 4712.754460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.754460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.754460][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.754460][   T10]      netlink_unicast+0x449/0x710
[ 4712.754460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.754460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.754460][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.754460][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.754460][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.754460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.754460][   T10] 
[ 4712.757032][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.757032][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.757032][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.757032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.757032][   T10]      ip6_route_add+0x1c/0x140
[ 4712.757032][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4712.757032][   T10]      addrconf_add_dev+0xe2/0x170
[ 4712.757032][   T10]      inet6_addr_add+0x12f/0xa40
[ 4712.757032][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.757032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.757032][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.757032][   T10]      netlink_unicast+0x449/0x710
[ 4712.757032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.757032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.757032][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.757032][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.757032][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.757032][   T10] 
[ 4712.759355][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.759355][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4712.759355][   T10]      ipv6_find_idev+0x102/0x170
[ 4712.759355][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4712.759355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.759355][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.759355][   T10]      netlink_unicast+0x449/0x710
[ 4712.759355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.759355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.759355][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.759355][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.759355][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.759355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.759355][   T10] 
[ 4712.761086][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4712.761086][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4712.761086][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4712.761086][   T10]      ipv6_find_idev+0x102/0x170
[ 4712.761086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4712.761086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.761086][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.761086][   T10]      netlink_unicast+0x449/0x710
[ 4712.761086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.761086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.761086][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.761086][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.761086][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.761086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.761086][   T10] 
[ 4712.762984][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4712.763249][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.763249][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4712.763249][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4712.763249][   T10]      fib6_nh_init+0xa22/0x1580
[ 4712.763249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.763249][   T10]      ip6_route_add+0x1c/0x140
[ 4712.763249][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4712.763249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.763249][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.763249][   T10]      netlink_unicast+0x449/0x710
[ 4712.763249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.763249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.763249][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.763249][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.763249][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.763249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.763249][   T10] 
[ 4712.765336][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.765336][   T10]      dst_init+0x84/0x4a0
[ 4712.765336][   T10]      dst_alloc+0x97/0x150
[ 4712.765336][   T10]      ip6_dst_alloc+0x23/0x90
[ 4712.765336][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4712.765336][   T10]      ip6_pol_route+0x56f/0x840
[ 4712.765336][   T10]      fib6_rule_lookup+0x456/0x630
[ 4712.765336][   T10]      ip6_route_input+0x59c/0xa50
[ 4712.765336][   T10]      ipv6_rcv+0x397/0x810
[ 4712.765336][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4712.765336][   T10]      process_backlog+0x101/0x620
[ 4712.765336][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4712.765336][   T10]      net_rx_action+0x495/0xbe0
[ 4712.765336][   T10]      __do_softirq+0x1b5/0x7f6
[ 4712.765336][   T10] 
[ 4712.767175][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.767175][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.767175][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.767175][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.767175][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4712.767175][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4712.767175][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4712.767175][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4712.767175][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4712.767175][   T10]      addrconf_dad_begin+0x310/0x670
[ 4712.767175][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4712.767175][   T10]      process_one_work+0x84d/0x18a0
[ 4712.767175][   T10]      worker_thread+0x587/0xd30
[ 4712.767175][   T10]      kthread+0x28a/0x350
[ 4712.767175][   T10]      ret_from_fork+0x31/0x70
[ 4712.767175][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4712.767175][   T10] 
[ 4712.769544][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.769544][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.769544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.769544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.769544][   T10]      ip6_route_add+0x1c/0x140
[ 4712.769544][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4712.769544][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4712.769544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.769544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.769544][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.769544][   T10]      netlink_unicast+0x449/0x710
[ 4712.769544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.769544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.769544][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.769544][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.769544][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.769544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.769544][   T10] 
[ 4712.771997][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.771997][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.771997][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.771997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.771997][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4712.771997][   T10]      ipv6_add_addr+0x411/0x2000
[ 4712.771997][   T10]      inet6_addr_add+0x30e/0xa40
[ 4712.771997][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.771997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.771997][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.771997][   T10]      netlink_unicast+0x449/0x710
[ 4712.771997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.771997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.771997][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.771997][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.771997][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.771997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.771997][   T10] 
[ 4712.774295][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.774295][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.774295][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.774295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.774295][   T10]      ip6_route_add+0x1c/0x140
[ 4712.774295][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4712.774295][   T10]      addrconf_add_dev+0xe2/0x170
[ 4712.774295][   T10]      inet6_addr_add+0x12f/0xa40
[ 4712.774295][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.774295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.774295][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.774295][   T10]      netlink_unicast+0x449/0x710
[ 4712.774295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.774295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.774295][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.774295][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.774295][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.774295][   T10] 
[ 4712.776969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.776969][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4712.776969][   T10]      ipv6_find_idev+0x102/0x170
[ 4712.776969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4712.776969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.776969][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.776969][   T10]      netlink_unicast+0x449/0x710
[ 4712.776969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.776969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.776969][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.776969][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.776969][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.776969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.776969][   T10] 
[ 4712.778688][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4712.778688][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4712.778688][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4712.778688][   T10]      ipv6_find_idev+0x102/0x170
[ 4712.778688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4712.778688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.778688][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.778688][   T10]      netlink_unicast+0x449/0x710
[ 4712.778688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.778688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.778688][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.778688][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.778688][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.778688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.778688][   T10] 
[ 4712.780603][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4712.780866][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4712.780866][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.780866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.780866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.780866][   T10]      ip6_route_add+0x1c/0x140
[ 4712.780866][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4712.780866][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4712.780866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.780866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.780866][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.780866][   T10]      netlink_unicast+0x449/0x710
[ 4712.780866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.780866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.780866][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.780866][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.780866][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.780866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.780866][   T10] 
[ 4712.783194][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4712.783194][   T10]      netdev_get_by_index+0x5e/0x80
[ 4712.783194][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4712.783194][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4712.783194][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4712.783194][   T10]      ipv6_add_addr+0x411/0x2000
[ 4712.783194][   T10]      inet6_addr_add+0x30e/0xa40
[ 4712.783194][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4712.783194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.783194][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.783194][   T10]      netlink_unicast+0x449/0x710
[ 4712.783194][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.783194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.783194][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.783194][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.783194][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.783194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.783194][   T10] 
[ 4712.785110][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4712.785110][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4712.785110][   T10]      ipv6_find_idev+0x102/0x170
[ 4712.785110][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4712.785110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.785110][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.785110][   T10]      netlink_unicast+0x449/0x710
[ 4712.785110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.785110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.785110][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.785110][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.785110][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.785110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.785110][   T10] 
[ 4712.786555][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4712.786555][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4712.786555][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4712.786555][   T10]      ipv6_find_idev+0x102/0x170
[ 4712.786555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4712.786555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4712.786555][   T10]      netlink_rcv_skb+0x130/0x360
[ 4712.786555][   T10]      netlink_unicast+0x449/0x710
[ 4712.786555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4712.786555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4712.786555][   T10]      ___sys_sendmsg+0xee/0x170
[ 4712.786555][   T10]      __sys_sendmsg+0xcd/0x170
[ 4712.786555][   T10]      do_syscall_64+0xc6/0x1e0
[ 4712.786555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4712.786555][   T10] 
[ 4722.816837][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4722.817219][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.817219][   T10]      dst_init+0x84/0x4a0
[ 4722.817219][   T10]      dst_alloc+0x97/0x150
[ 4722.817219][   T10]      ip6_dst_alloc+0x23/0x90
[ 4722.817219][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4722.817219][   T10]      ip6_pol_route+0x56f/0x840
[ 4722.817219][   T10]      fib6_rule_lookup+0x456/0x630
[ 4722.817219][   T10]      ip6_route_input+0x59c/0xa50
[ 4722.817219][   T10]      ipv6_rcv+0x397/0x810
[ 4722.817219][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4722.817219][   T10]      process_backlog+0x101/0x620
[ 4722.817219][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4722.817219][   T10]      net_rx_action+0x495/0xbe0
[ 4722.817219][   T10]      __do_softirq+0x1b5/0x7f6
[ 4722.817219][   T10] 
[ 4722.819131][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.819131][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4722.819131][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4722.819131][   T10]      fib6_nh_init+0xa22/0x1580
[ 4722.819131][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.819131][   T10]      ip6_route_add+0x1c/0x140
[ 4722.819131][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4722.819131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.819131][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.819131][   T10]      netlink_unicast+0x449/0x710
[ 4722.819131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.819131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.819131][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.819131][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.819131][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.819131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.819131][   T10] 
[ 4722.821350][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.821350][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.821350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.821350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.821350][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4722.821350][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4722.821350][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4722.821350][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4722.821350][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4722.821350][   T10]      addrconf_dad_begin+0x310/0x670
[ 4722.821350][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4722.821350][   T10]      process_one_work+0x84d/0x18a0
[ 4722.821350][   T10]      worker_thread+0x587/0xd30
[ 4722.821350][   T10]      kthread+0x28a/0x350
[ 4722.821350][   T10]      ret_from_fork+0x31/0x70
[ 4722.821350][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4722.821350][   T10] 
[ 4722.823586][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.823586][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.823586][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.823586][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.823586][   T10]      ip6_route_add+0x1c/0x140
[ 4722.823586][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4722.823586][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4722.823586][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.823586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.823586][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.823586][   T10]      netlink_unicast+0x449/0x710
[ 4722.823586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.823586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.823586][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.823586][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.823586][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.823586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.823586][   T10] 
[ 4722.825962][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.825962][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.825962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.825962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.825962][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4722.825962][   T10]      ipv6_add_addr+0x411/0x2000
[ 4722.825962][   T10]      inet6_addr_add+0x30e/0xa40
[ 4722.825962][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.825962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.825962][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.825962][   T10]      netlink_unicast+0x449/0x710
[ 4722.825962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.825962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.825962][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.825962][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.825962][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.825962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.825962][   T10] 
[ 4722.828314][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.828314][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.828314][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.828314][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.828314][   T10]      ip6_route_add+0x1c/0x140
[ 4722.828314][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4722.828314][   T10]      addrconf_add_dev+0xe2/0x170
[ 4722.828314][   T10]      inet6_addr_add+0x12f/0xa40
[ 4722.828314][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.828314][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.828314][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.828314][   T10]      netlink_unicast+0x449/0x710
[ 4722.828314][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.828314][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.828314][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.828314][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.828314][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.828314][   T10] 
[ 4722.830580][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.830580][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4722.830580][   T10]      ipv6_find_idev+0x102/0x170
[ 4722.830580][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4722.830580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.830580][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.830580][   T10]      netlink_unicast+0x449/0x710
[ 4722.830580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.830580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.830580][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.830580][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.830580][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.830580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.830580][   T10] 
[ 4722.832375][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4722.832375][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4722.832375][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4722.832375][   T10]      ipv6_find_idev+0x102/0x170
[ 4722.832375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4722.832375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.832375][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.832375][   T10]      netlink_unicast+0x449/0x710
[ 4722.832375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.832375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.832375][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.832375][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.832375][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.832375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.832375][   T10] 
[ 4722.834325][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4722.834593][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.834593][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4722.834593][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4722.834593][   T10]      fib6_nh_init+0xa22/0x1580
[ 4722.834593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.834593][   T10]      ip6_route_add+0x1c/0x140
[ 4722.834593][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4722.834593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.834593][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.834593][   T10]      netlink_unicast+0x449/0x710
[ 4722.834593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.834593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.834593][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.834593][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.834593][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.834593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.834593][   T10] 
[ 4722.836726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.836726][   T10]      dst_init+0x84/0x4a0
[ 4722.836726][   T10]      dst_alloc+0x97/0x150
[ 4722.836726][   T10]      ip6_dst_alloc+0x23/0x90
[ 4722.836726][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4722.836726][   T10]      ip6_pol_route+0x56f/0x840
[ 4722.836726][   T10]      fib6_rule_lookup+0x456/0x630
[ 4722.836726][   T10]      ip6_route_input+0x59c/0xa50
[ 4722.836726][   T10]      ipv6_rcv+0x397/0x810
[ 4722.836726][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4722.836726][   T10]      process_backlog+0x101/0x620
[ 4722.836726][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4722.836726][   T10]      net_rx_action+0x495/0xbe0
[ 4722.836726][   T10]      __do_softirq+0x1b5/0x7f6
[ 4722.836726][   T10] 
[ 4722.838610][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.838610][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.838610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.838610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.838610][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4722.838610][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4722.838610][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4722.838610][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4722.838610][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4722.838610][   T10]      addrconf_dad_begin+0x310/0x670
[ 4722.838610][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4722.838610][   T10]      process_one_work+0x84d/0x18a0
[ 4722.838610][   T10]      worker_thread+0x587/0xd30
[ 4722.838610][   T10]      kthread+0x28a/0x350
[ 4722.838610][   T10]      ret_from_fork+0x31/0x70
[ 4722.838610][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4722.838610][   T10] 
[ 4722.840811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.840811][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.840811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.840811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.840811][   T10]      ip6_route_add+0x1c/0x140
[ 4722.840811][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4722.840811][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4722.840811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.840811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.840811][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.840811][   T10]      netlink_unicast+0x449/0x710
[ 4722.840811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.840811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.840811][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.840811][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.840811][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.840811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.840811][   T10] 
[ 4722.843111][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.843111][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.843111][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.843111][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.843111][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4722.843111][   T10]      ipv6_add_addr+0x411/0x2000
[ 4722.843111][   T10]      inet6_addr_add+0x30e/0xa40
[ 4722.843111][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.843111][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.843111][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.843111][   T10]      netlink_unicast+0x449/0x710
[ 4722.843111][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.843111][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.843111][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.843111][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.843111][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.843111][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.843111][   T10] 
[ 4722.845436][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.845436][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.845436][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.845436][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.845436][   T10]      ip6_route_add+0x1c/0x140
[ 4722.845436][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4722.845436][   T10]      addrconf_add_dev+0xe2/0x170
[ 4722.845436][   T10]      inet6_addr_add+0x12f/0xa40
[ 4722.845436][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.845436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.845436][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.845436][   T10]      netlink_unicast+0x449/0x710
[ 4722.845436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.845436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.845436][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.845436][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.845436][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.845436][   T10] 
[ 4722.847881][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.847881][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4722.847881][   T10]      ipv6_find_idev+0x102/0x170
[ 4722.847881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4722.847881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.847881][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.847881][   T10]      netlink_unicast+0x449/0x710
[ 4722.847881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.847881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.847881][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.847881][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.847881][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.847881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.847881][   T10] 
[ 4722.849916][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4722.849916][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4722.849916][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4722.849916][   T10]      ipv6_find_idev+0x102/0x170
[ 4722.849916][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4722.849916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.849916][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.849916][   T10]      netlink_unicast+0x449/0x710
[ 4722.849916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.849916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.849916][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.849916][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.849916][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.849916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.849916][   T10] 
[ 4722.852056][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4722.852324][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4722.852324][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.852324][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.852324][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.852324][   T10]      ip6_route_add+0x1c/0x140
[ 4722.852324][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4722.852324][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4722.852324][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.852324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.852324][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.852324][   T10]      netlink_unicast+0x449/0x710
[ 4722.852324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.852324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.852324][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.852324][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.852324][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.852324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.852324][   T10] 
[ 4722.854849][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4722.854849][   T10]      netdev_get_by_index+0x5e/0x80
[ 4722.854849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4722.854849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4722.854849][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4722.854849][   T10]      ipv6_add_addr+0x411/0x2000
[ 4722.854849][   T10]      inet6_addr_add+0x30e/0xa40
[ 4722.854849][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4722.854849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.854849][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.854849][   T10]      netlink_unicast+0x449/0x710
[ 4722.854849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.854849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.854849][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.854849][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.854849][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.854849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.854849][   T10] 
[ 4722.857360][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4722.857360][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4722.857360][   T10]      ipv6_find_idev+0x102/0x170
[ 4722.857360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4722.857360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.857360][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.857360][   T10]      netlink_unicast+0x449/0x710
[ 4722.857360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.857360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.857360][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.857360][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.857360][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.857360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.857360][   T10] 
[ 4722.859368][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4722.859368][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4722.859368][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4722.859368][   T10]      ipv6_find_idev+0x102/0x170
[ 4722.859368][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4722.859368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4722.859368][   T10]      netlink_rcv_skb+0x130/0x360
[ 4722.859368][   T10]      netlink_unicast+0x449/0x710
[ 4722.859368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4722.859368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4722.859368][   T10]      ___sys_sendmsg+0xee/0x170
[ 4722.859368][   T10]      __sys_sendmsg+0xcd/0x170
[ 4722.859368][   T10]      do_syscall_64+0xc6/0x1e0
[ 4722.859368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4722.859368][   T10] 
[ 4732.864669][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4732.865197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.865197][   T10]      dst_init+0x84/0x4a0
[ 4732.865197][   T10]      dst_alloc+0x97/0x150
[ 4732.865197][   T10]      ip6_dst_alloc+0x23/0x90
[ 4732.865197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4732.865197][   T10]      ip6_pol_route+0x56f/0x840
[ 4732.865197][   T10]      fib6_rule_lookup+0x456/0x630
[ 4732.865197][   T10]      ip6_route_input+0x59c/0xa50
[ 4732.865197][   T10]      ipv6_rcv+0x397/0x810
[ 4732.865197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4732.865197][   T10]      process_backlog+0x101/0x620
[ 4732.865197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4732.865197][   T10]      net_rx_action+0x495/0xbe0
[ 4732.865197][   T10]      __do_softirq+0x1b5/0x7f6
[ 4732.865197][   T10] 
[ 4732.867264][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.867264][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4732.867264][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4732.867264][   T10]      fib6_nh_init+0xa22/0x1580
[ 4732.867264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.867264][   T10]      ip6_route_add+0x1c/0x140
[ 4732.867264][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4732.867264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.867264][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.867264][   T10]      netlink_unicast+0x449/0x710
[ 4732.867264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.867264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.867264][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.867264][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.867264][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.867264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.867264][   T10] 
[ 4732.869404][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.869404][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.869404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.869404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.869404][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4732.869404][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4732.869404][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4732.869404][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4732.869404][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4732.869404][   T10]      addrconf_dad_begin+0x310/0x670
[ 4732.869404][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4732.869404][   T10]      process_one_work+0x84d/0x18a0
[ 4732.869404][   T10]      worker_thread+0x587/0xd30
[ 4732.869404][   T10]      kthread+0x28a/0x350
[ 4732.869404][   T10]      ret_from_fork+0x31/0x70
[ 4732.869404][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4732.869404][   T10] 
[ 4732.871573][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.871573][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.871573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.871573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.871573][   T10]      ip6_route_add+0x1c/0x140
[ 4732.871573][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4732.871573][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4732.871573][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.871573][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.871573][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.871573][   T10]      netlink_unicast+0x449/0x710
[ 4732.871573][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.871573][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.871573][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.871573][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.871573][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.871573][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.871573][   T10] 
[ 4732.873853][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.873853][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.873853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.873853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.873853][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4732.873853][   T10]      ipv6_add_addr+0x411/0x2000
[ 4732.873853][   T10]      inet6_addr_add+0x30e/0xa40
[ 4732.873853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.873853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.873853][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.873853][   T10]      netlink_unicast+0x449/0x710
[ 4732.873853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.873853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.873853][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.873853][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.873853][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.873853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.873853][   T10] 
[ 4732.876121][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.876121][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.876121][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.876121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.876121][   T10]      ip6_route_add+0x1c/0x140
[ 4732.876121][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4732.876121][   T10]      addrconf_add_dev+0xe2/0x170
[ 4732.876121][   T10]      inet6_addr_add+0x12f/0xa40
[ 4732.876121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.876121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.876121][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.876121][   T10]      netlink_unicast+0x449/0x710
[ 4732.876121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.876121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.876121][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.876121][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.876121][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.876121][   T10] 
[ 4732.878336][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.878336][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4732.878336][   T10]      ipv6_find_idev+0x102/0x170
[ 4732.878336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4732.878336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.878336][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.878336][   T10]      netlink_unicast+0x449/0x710
[ 4732.878336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.878336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.878336][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.878336][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.878336][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.878336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.878336][   T10] 
[ 4732.880075][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4732.880075][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4732.880075][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4732.880075][   T10]      ipv6_find_idev+0x102/0x170
[ 4732.880075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4732.880075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.880075][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.880075][   T10]      netlink_unicast+0x449/0x710
[ 4732.880075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.880075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.880075][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.880075][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.880075][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.880075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.880075][   T10] 
[ 4732.882009][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4732.882270][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.882270][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4732.882270][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4732.882270][   T10]      fib6_nh_init+0xa22/0x1580
[ 4732.882270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.882270][   T10]      ip6_route_add+0x1c/0x140
[ 4732.882270][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4732.882270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.882270][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.882270][   T10]      netlink_unicast+0x449/0x710
[ 4732.882270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.882270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.882270][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.882270][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.882270][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.882270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.882270][   T10] 
[ 4732.884411][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.884411][   T10]      dst_init+0x84/0x4a0
[ 4732.884411][   T10]      dst_alloc+0x97/0x150
[ 4732.884411][   T10]      ip6_dst_alloc+0x23/0x90
[ 4732.884411][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4732.884411][   T10]      ip6_pol_route+0x56f/0x840
[ 4732.884411][   T10]      fib6_rule_lookup+0x456/0x630
[ 4732.884411][   T10]      ip6_route_input+0x59c/0xa50
[ 4732.884411][   T10]      ipv6_rcv+0x397/0x810
[ 4732.884411][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4732.884411][   T10]      process_backlog+0x101/0x620
[ 4732.884411][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4732.884411][   T10]      net_rx_action+0x495/0xbe0
[ 4732.884411][   T10]      __do_softirq+0x1b5/0x7f6
[ 4732.884411][   T10] 
[ 4732.886257][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.886257][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.886257][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.886257][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.886257][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4732.886257][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4732.886257][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4732.886257][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4732.886257][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4732.886257][   T10]      addrconf_dad_begin+0x310/0x670
[ 4732.886257][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4732.886257][   T10]      process_one_work+0x84d/0x18a0
[ 4732.886257][   T10]      worker_thread+0x587/0xd30
[ 4732.886257][   T10]      kthread+0x28a/0x350
[ 4732.886257][   T10]      ret_from_fork+0x31/0x70
[ 4732.886257][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4732.886257][   T10] 
[ 4732.888463][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.888463][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.888463][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.888463][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.888463][   T10]      ip6_route_add+0x1c/0x140
[ 4732.888463][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4732.888463][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4732.888463][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.888463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.888463][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.888463][   T10]      netlink_unicast+0x449/0x710
[ 4732.888463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.888463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.888463][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.888463][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.888463][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.888463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.888463][   T10] 
[ 4732.890744][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.890744][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.890744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.890744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.890744][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4732.890744][   T10]      ipv6_add_addr+0x411/0x2000
[ 4732.890744][   T10]      inet6_addr_add+0x30e/0xa40
[ 4732.890744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.890744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.890744][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.890744][   T10]      netlink_unicast+0x449/0x710
[ 4732.890744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.890744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.890744][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.890744][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.890744][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.890744][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.890744][   T10] 
[ 4732.893057][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.893057][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.893057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.893057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.893057][   T10]      ip6_route_add+0x1c/0x140
[ 4732.893057][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4732.893057][   T10]      addrconf_add_dev+0xe2/0x170
[ 4732.893057][   T10]      inet6_addr_add+0x12f/0xa40
[ 4732.893057][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.893057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.893057][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.893057][   T10]      netlink_unicast+0x449/0x710
[ 4732.893057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.893057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.893057][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.893057][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.893057][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.893057][   T10] 
[ 4732.895482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.895482][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4732.895482][   T10]      ipv6_find_idev+0x102/0x170
[ 4732.895482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4732.895482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.895482][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.895482][   T10]      netlink_unicast+0x449/0x710
[ 4732.895482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.895482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.895482][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.895482][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.895482][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.895482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.895482][   T10] 
[ 4732.897420][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4732.897420][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4732.897420][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4732.897420][   T10]      ipv6_find_idev+0x102/0x170
[ 4732.897420][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4732.897420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.897420][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.897420][   T10]      netlink_unicast+0x449/0x710
[ 4732.897420][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.897420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.897420][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.897420][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.897420][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.897420][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.897420][   T10] 
[ 4732.899593][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4732.899874][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4732.899874][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.899874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.899874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.899874][   T10]      ip6_route_add+0x1c/0x140
[ 4732.899874][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4732.899874][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4732.899874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.899874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.899874][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.899874][   T10]      netlink_unicast+0x449/0x710
[ 4732.899874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.899874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.899874][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.899874][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.899874][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.899874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.899874][   T10] 
[ 4732.902413][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4732.902413][   T10]      netdev_get_by_index+0x5e/0x80
[ 4732.902413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4732.902413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4732.902413][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4732.902413][   T10]      ipv6_add_addr+0x411/0x2000
[ 4732.902413][   T10]      inet6_addr_add+0x30e/0xa40
[ 4732.902413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4732.902413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.902413][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.902413][   T10]      netlink_unicast+0x449/0x710
[ 4732.902413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.902413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.902413][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.902413][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.902413][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.902413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.902413][   T10] 
[ 4732.904921][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4732.904921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4732.904921][   T10]      ipv6_find_idev+0x102/0x170
[ 4732.904921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4732.904921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.904921][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.904921][   T10]      netlink_unicast+0x449/0x710
[ 4732.904921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.904921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.904921][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.904921][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.904921][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.904921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.904921][   T10] 
[ 4732.906848][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4732.906848][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4732.906848][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4732.906848][   T10]      ipv6_find_idev+0x102/0x170
[ 4732.906848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4732.906848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4732.906848][   T10]      netlink_rcv_skb+0x130/0x360
[ 4732.906848][   T10]      netlink_unicast+0x449/0x710
[ 4732.906848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4732.906848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4732.906848][   T10]      ___sys_sendmsg+0xee/0x170
[ 4732.906848][   T10]      __sys_sendmsg+0xcd/0x170
[ 4732.906848][   T10]      do_syscall_64+0xc6/0x1e0
[ 4732.906848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4732.906848][   T10] 
[ 4742.976711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4742.977132][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.977132][   T10]      dst_init+0x84/0x4a0
[ 4742.977132][   T10]      dst_alloc+0x97/0x150
[ 4742.977132][   T10]      ip6_dst_alloc+0x23/0x90
[ 4742.977132][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4742.977132][   T10]      ip6_pol_route+0x56f/0x840
[ 4742.977132][   T10]      fib6_rule_lookup+0x456/0x630
[ 4742.977132][   T10]      ip6_route_input+0x59c/0xa50
[ 4742.977132][   T10]      ipv6_rcv+0x397/0x810
[ 4742.977132][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4742.977132][   T10]      process_backlog+0x101/0x620
[ 4742.977132][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4742.977132][   T10]      net_rx_action+0x495/0xbe0
[ 4742.977132][   T10]      __do_softirq+0x1b5/0x7f6
[ 4742.977132][   T10] 
[ 4742.978868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.978868][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4742.978868][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4742.978868][   T10]      fib6_nh_init+0xa22/0x1580
[ 4742.978868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.978868][   T10]      ip6_route_add+0x1c/0x140
[ 4742.978868][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4742.978868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.978868][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.978868][   T10]      netlink_unicast+0x449/0x710
[ 4742.978868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.978868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.978868][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.978868][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.978868][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.978868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4742.978868][   T10] 
[ 4742.980845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.980845][   T10]      netdev_get_by_index+0x5e/0x80
[ 4742.980845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4742.980845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.980845][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4742.980845][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4742.980845][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4742.980845][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4742.980845][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4742.980845][   T10]      addrconf_dad_begin+0x310/0x670
[ 4742.980845][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4742.980845][   T10]      process_one_work+0x84d/0x18a0
[ 4742.980845][   T10]      worker_thread+0x587/0xd30
[ 4742.980845][   T10]      kthread+0x28a/0x350
[ 4742.980845][   T10]      ret_from_fork+0x31/0x70
[ 4742.980845][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4742.980845][   T10] 
[ 4742.982813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.982813][   T10]      netdev_get_by_index+0x5e/0x80
[ 4742.982813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4742.982813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.982813][   T10]      ip6_route_add+0x1c/0x140
[ 4742.982813][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4742.982813][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4742.982813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4742.982813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.982813][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.982813][   T10]      netlink_unicast+0x449/0x710
[ 4742.982813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.982813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.982813][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.982813][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.982813][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.982813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4742.982813][   T10] 
[ 4742.984927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.984927][   T10]      netdev_get_by_index+0x5e/0x80
[ 4742.984927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4742.984927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.984927][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4742.984927][   T10]      ipv6_add_addr+0x411/0x2000
[ 4742.984927][   T10]      inet6_addr_add+0x30e/0xa40
[ 4742.984927][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4742.984927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.984927][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.984927][   T10]      netlink_unicast+0x449/0x710
[ 4742.984927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.984927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.984927][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.984927][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.984927][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.984927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4742.984927][   T10] 
[ 4742.987049][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.987049][   T10]      netdev_get_by_index+0x5e/0x80
[ 4742.987049][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4742.987049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.987049][   T10]      ip6_route_add+0x1c/0x140
[ 4742.987049][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4742.987049][   T10]      addrconf_add_dev+0xe2/0x170
[ 4742.987049][   T10]      inet6_addr_add+0x12f/0xa40
[ 4742.987049][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4742.987049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.987049][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.987049][   T10]      netlink_unicast+0x449/0x710
[ 4742.987049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.987049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.987049][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.987049][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.987049][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.987049][   T10] 
[ 4742.989101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.989101][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4742.989101][   T10]      ipv6_find_idev+0x102/0x170
[ 4742.989101][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4742.989101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.989101][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.989101][   T10]      netlink_unicast+0x449/0x710
[ 4742.989101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.989101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.989101][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.989101][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.989101][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.989101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4742.989101][   T10] 
[ 4742.990713][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4742.990713][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4742.990713][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4742.990713][   T10]      ipv6_find_idev+0x102/0x170
[ 4742.990713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4742.990713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.990713][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.990713][   T10]      netlink_unicast+0x449/0x710
[ 4742.990713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.990713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.990713][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.990713][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.990713][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.990713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4742.990713][   T10] 
[ 4742.992497][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4742.992766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4742.992766][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4742.992766][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4742.992766][   T10]      fib6_nh_init+0xa22/0x1580
[ 4742.992766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.992766][   T10]      ip6_route_add+0x1c/0x140
[ 4742.992766][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4742.992766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.992766][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.992766][   T10]      netlink_unicast+0x449/0x710
[ 4742.992766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.992766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.992766][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.992766][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.992766][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.992766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4742.992766][   T10] 
[ 4742.994728][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4742.994728][   T10]      dst_init+0x84/0x4a0
[ 4742.994728][   T10]      dst_alloc+0x97/0x150
[ 4742.994728][   T10]      ip6_dst_alloc+0x23/0x90
[ 4742.994728][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4742.994728][   T10]      ip6_pol_route+0x56f/0x840
[ 4742.994728][   T10]      fib6_rule_lookup+0x456/0x630
[ 4742.994728][   T10]      ip6_route_input+0x59c/0xa50
[ 4742.994728][   T10]      ipv6_rcv+0x397/0x810
[ 4742.994728][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4742.994728][   T10]      process_backlog+0x101/0x620
[ 4742.994728][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4742.994728][   T10]      net_rx_action+0x495/0xbe0
[ 4742.994728][   T10]      __do_softirq+0x1b5/0x7f6
[ 4742.994728][   T10] 
[ 4742.996429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4742.996429][   T10]      netdev_get_by_index+0x5e/0x80
[ 4742.996429][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4742.996429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.996429][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4742.996429][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4742.996429][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4742.996429][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4742.996429][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4742.996429][   T10]      addrconf_dad_begin+0x310/0x670
[ 4742.996429][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4742.996429][   T10]      process_one_work+0x84d/0x18a0
[ 4742.996429][   T10]      worker_thread+0x587/0xd30
[ 4742.996429][   T10]      kthread+0x28a/0x350
[ 4742.996429][   T10]      ret_from_fork+0x31/0x70
[ 4742.996429][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4742.996429][   T10] 
[ 4742.998429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4742.998429][   T10]      netdev_get_by_index+0x5e/0x80
[ 4742.998429][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4742.998429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4742.998429][   T10]      ip6_route_add+0x1c/0x140
[ 4742.998429][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4742.998429][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4742.998429][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4742.998429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4742.998429][   T10]      netlink_rcv_skb+0x130/0x360
[ 4742.998429][   T10]      netlink_unicast+0x449/0x710
[ 4742.998429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4742.998429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4742.998429][   T10]      ___sys_sendmsg+0xee/0x170
[ 4742.998429][   T10]      __sys_sendmsg+0xcd/0x170
[ 4742.998429][   T10]      do_syscall_64+0xc6/0x1e0
[ 4742.998429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4742.998429][   T10] 
[ 4743.000527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4743.000527][   T10]      netdev_get_by_index+0x5e/0x80
[ 4743.000527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4743.000527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4743.000527][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4743.000527][   T10]      ipv6_add_addr+0x411/0x2000
[ 4743.000527][   T10]      inet6_addr_add+0x30e/0xa40
[ 4743.000527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4743.000527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.000527][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.000527][   T10]      netlink_unicast+0x449/0x710
[ 4743.000527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.000527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.000527][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.000527][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.000527][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.000527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4743.000527][   T10] 
[ 4743.002612][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4743.002612][   T10]      netdev_get_by_index+0x5e/0x80
[ 4743.002612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4743.002612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4743.002612][   T10]      ip6_route_add+0x1c/0x140
[ 4743.002612][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4743.002612][   T10]      addrconf_add_dev+0xe2/0x170
[ 4743.002612][   T10]      inet6_addr_add+0x12f/0xa40
[ 4743.002612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4743.002612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.002612][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.002612][   T10]      netlink_unicast+0x449/0x710
[ 4743.002612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.002612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.002612][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.002612][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.002612][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.002612][   T10] 
[ 4743.004878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4743.004878][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4743.004878][   T10]      ipv6_find_idev+0x102/0x170
[ 4743.004878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4743.004878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.004878][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.004878][   T10]      netlink_unicast+0x449/0x710
[ 4743.004878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.004878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.004878][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.004878][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.004878][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.004878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4743.004878][   T10] 
[ 4743.006734][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4743.006734][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4743.006734][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4743.006734][   T10]      ipv6_find_idev+0x102/0x170
[ 4743.006734][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4743.006734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.006734][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.006734][   T10]      netlink_unicast+0x449/0x710
[ 4743.006734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.006734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.006734][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.006734][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.006734][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.006734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4743.006734][   T10] 
[ 4743.008697][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4743.008947][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4743.008947][   T10]      netdev_get_by_index+0x5e/0x80
[ 4743.008947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4743.008947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4743.008947][   T10]      ip6_route_add+0x1c/0x140
[ 4743.008947][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4743.008947][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4743.008947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4743.008947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.008947][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.008947][   T10]      netlink_unicast+0x449/0x710
[ 4743.008947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.008947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.008947][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.008947][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.008947][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.008947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4743.008947][   T10] 
[ 4743.011299][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4743.011299][   T10]      netdev_get_by_index+0x5e/0x80
[ 4743.011299][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4743.011299][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4743.011299][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4743.011299][   T10]      ipv6_add_addr+0x411/0x2000
[ 4743.011299][   T10]      inet6_addr_add+0x30e/0xa40
[ 4743.011299][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4743.011299][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.011299][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.011299][   T10]      netlink_unicast+0x449/0x710
[ 4743.011299][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.011299][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.011299][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.011299][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.011299][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.011299][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4743.011299][   T10] 
[ 4743.013635][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4743.013635][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4743.013635][   T10]      ipv6_find_idev+0x102/0x170
[ 4743.013635][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4743.013635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.013635][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.013635][   T10]      netlink_unicast+0x449/0x710
[ 4743.013635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.013635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.013635][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.013635][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.013635][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.013635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4743.013635][   T10] 
[ 4743.015492][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4743.015492][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4743.015492][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4743.015492][   T10]      ipv6_find_idev+0x102/0x170
[ 4743.015492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4743.015492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4743.015492][   T10]      netlink_rcv_skb+0x130/0x360
[ 4743.015492][   T10]      netlink_unicast+0x449/0x710
[ 4743.015492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4743.015492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4743.015492][   T10]      ___sys_sendmsg+0xee/0x170
[ 4743.015492][   T10]      __sys_sendmsg+0xcd/0x170
[ 4743.015492][   T10]      do_syscall_64+0xc6/0x1e0
[ 4743.015492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4743.015492][   T10] 
[ 4753.272783][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4753.273244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.273244][   T10]      dst_init+0x84/0x4a0
[ 4753.273244][   T10]      dst_alloc+0x97/0x150
[ 4753.273244][   T10]      ip6_dst_alloc+0x23/0x90
[ 4753.273244][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4753.273244][   T10]      ip6_pol_route+0x56f/0x840
[ 4753.273244][   T10]      fib6_rule_lookup+0x456/0x630
[ 4753.273244][   T10]      ip6_route_input+0x59c/0xa50
[ 4753.273244][   T10]      ipv6_rcv+0x397/0x810
[ 4753.273244][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4753.273244][   T10]      process_backlog+0x101/0x620
[ 4753.273244][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4753.273244][   T10]      net_rx_action+0x495/0xbe0
[ 4753.273244][   T10]      __do_softirq+0x1b5/0x7f6
[ 4753.273244][   T10] 
[ 4753.275002][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.275002][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4753.275002][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4753.275002][   T10]      fib6_nh_init+0xa22/0x1580
[ 4753.275002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.275002][   T10]      ip6_route_add+0x1c/0x140
[ 4753.275002][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4753.275002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.275002][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.275002][   T10]      netlink_unicast+0x449/0x710
[ 4753.275002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.275002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.275002][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.275002][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.275002][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.275002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.275002][   T10] 
[ 4753.276957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.276957][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.276957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.276957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.276957][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4753.276957][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4753.276957][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4753.276957][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4753.276957][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4753.276957][   T10]      addrconf_dad_begin+0x310/0x670
[ 4753.276957][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4753.276957][   T10]      process_one_work+0x84d/0x18a0
[ 4753.276957][   T10]      worker_thread+0x587/0xd30
[ 4753.276957][   T10]      kthread+0x28a/0x350
[ 4753.276957][   T10]      ret_from_fork+0x31/0x70
[ 4753.276957][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4753.276957][   T10] 
[ 4753.278974][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.278974][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.278974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.278974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.278974][   T10]      ip6_route_add+0x1c/0x140
[ 4753.278974][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4753.278974][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4753.278974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.278974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.278974][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.278974][   T10]      netlink_unicast+0x449/0x710
[ 4753.278974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.278974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.278974][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.278974][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.278974][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.278974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.278974][   T10] 
[ 4753.281051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.281051][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.281051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.281051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.281051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4753.281051][   T10]      ipv6_add_addr+0x411/0x2000
[ 4753.281051][   T10]      inet6_addr_add+0x30e/0xa40
[ 4753.281051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.281051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.281051][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.281051][   T10]      netlink_unicast+0x449/0x710
[ 4753.281051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.281051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.281051][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.281051][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.281051][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.281051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.281051][   T10] 
[ 4753.283129][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.283129][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.283129][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.283129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.283129][   T10]      ip6_route_add+0x1c/0x140
[ 4753.283129][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4753.283129][   T10]      addrconf_add_dev+0xe2/0x170
[ 4753.283129][   T10]      inet6_addr_add+0x12f/0xa40
[ 4753.283129][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.283129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.283129][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.283129][   T10]      netlink_unicast+0x449/0x710
[ 4753.283129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.283129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.283129][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.283129][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.283129][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.283129][   T10] 
[ 4753.285182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.285182][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4753.285182][   T10]      ipv6_find_idev+0x102/0x170
[ 4753.285182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4753.285182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.285182][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.285182][   T10]      netlink_unicast+0x449/0x710
[ 4753.285182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.285182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.285182][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.285182][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.285182][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.285182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.285182][   T10] 
[ 4753.286783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4753.286783][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4753.286783][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4753.286783][   T10]      ipv6_find_idev+0x102/0x170
[ 4753.286783][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4753.286783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.286783][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.286783][   T10]      netlink_unicast+0x449/0x710
[ 4753.286783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.286783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.286783][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.286783][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.286783][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.286783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.286783][   T10] 
[ 4753.288539][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4753.288803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.288803][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4753.288803][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4753.288803][   T10]      fib6_nh_init+0xa22/0x1580
[ 4753.288803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.288803][   T10]      ip6_route_add+0x1c/0x140
[ 4753.288803][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4753.288803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.288803][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.288803][   T10]      netlink_unicast+0x449/0x710
[ 4753.288803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.288803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.288803][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.288803][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.288803][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.288803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.288803][   T10] 
[ 4753.290782][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.290782][   T10]      dst_init+0x84/0x4a0
[ 4753.290782][   T10]      dst_alloc+0x97/0x150
[ 4753.290782][   T10]      ip6_dst_alloc+0x23/0x90
[ 4753.290782][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4753.290782][   T10]      ip6_pol_route+0x56f/0x840
[ 4753.290782][   T10]      fib6_rule_lookup+0x456/0x630
[ 4753.290782][   T10]      ip6_route_input+0x59c/0xa50
[ 4753.290782][   T10]      ipv6_rcv+0x397/0x810
[ 4753.290782][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4753.290782][   T10]      process_backlog+0x101/0x620
[ 4753.290782][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4753.290782][   T10]      net_rx_action+0x495/0xbe0
[ 4753.290782][   T10]      __do_softirq+0x1b5/0x7f6
[ 4753.290782][   T10] 
[ 4753.292470][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.292470][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.292470][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.292470][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.292470][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4753.292470][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4753.292470][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4753.292470][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4753.292470][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4753.292470][   T10]      addrconf_dad_begin+0x310/0x670
[ 4753.292470][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4753.292470][   T10]      process_one_work+0x84d/0x18a0
[ 4753.292470][   T10]      worker_thread+0x587/0xd30
[ 4753.292470][   T10]      kthread+0x28a/0x350
[ 4753.292470][   T10]      ret_from_fork+0x31/0x70
[ 4753.292470][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4753.292470][   T10] 
[ 4753.294472][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.294472][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.294472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.294472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.294472][   T10]      ip6_route_add+0x1c/0x140
[ 4753.294472][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4753.294472][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4753.294472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.294472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.294472][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.294472][   T10]      netlink_unicast+0x449/0x710
[ 4753.294472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.294472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.294472][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.294472][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.294472][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.294472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.294472][   T10] 
[ 4753.296534][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.296534][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.296534][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.296534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.296534][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4753.296534][   T10]      ipv6_add_addr+0x411/0x2000
[ 4753.296534][   T10]      inet6_addr_add+0x30e/0xa40
[ 4753.296534][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.296534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.296534][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.296534][   T10]      netlink_unicast+0x449/0x710
[ 4753.296534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.296534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.296534][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.296534][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.296534][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.296534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.296534][   T10] 
[ 4753.298633][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.298633][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.298633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.298633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.298633][   T10]      ip6_route_add+0x1c/0x140
[ 4753.298633][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4753.298633][   T10]      addrconf_add_dev+0xe2/0x170
[ 4753.298633][   T10]      inet6_addr_add+0x12f/0xa40
[ 4753.298633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.298633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.298633][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.298633][   T10]      netlink_unicast+0x449/0x710
[ 4753.298633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.298633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.298633][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.298633][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.298633][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.298633][   T10] 
[ 4753.300881][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.300881][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4753.300881][   T10]      ipv6_find_idev+0x102/0x170
[ 4753.300881][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4753.300881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.300881][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.300881][   T10]      netlink_unicast+0x449/0x710
[ 4753.300881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.300881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.300881][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.300881][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.300881][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.300881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.300881][   T10] 
[ 4753.302666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4753.302666][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4753.302666][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4753.302666][   T10]      ipv6_find_idev+0x102/0x170
[ 4753.302666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4753.302666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.302666][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.302666][   T10]      netlink_unicast+0x449/0x710
[ 4753.302666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.302666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.302666][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.302666][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.302666][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.302666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.302666][   T10] 
[ 4753.304688][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4753.305001][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4753.305001][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.305001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.305001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.305001][   T10]      ip6_route_add+0x1c/0x140
[ 4753.305001][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4753.305001][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4753.305001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.305001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.305001][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.305001][   T10]      netlink_unicast+0x449/0x710
[ 4753.305001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.305001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.305001][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.305001][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.305001][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.305001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.305001][   T10] 
[ 4753.307266][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4753.307266][   T10]      netdev_get_by_index+0x5e/0x80
[ 4753.307266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4753.307266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4753.307266][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4753.307266][   T10]      ipv6_add_addr+0x411/0x2000
[ 4753.307266][   T10]      inet6_addr_add+0x30e/0xa40
[ 4753.307266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4753.307266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.307266][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.307266][   T10]      netlink_unicast+0x449/0x710
[ 4753.307266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.307266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.307266][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.307266][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.307266][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.307266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.307266][   T10] 
[ 4753.309587][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4753.309587][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4753.309587][   T10]      ipv6_find_idev+0x102/0x170
[ 4753.309587][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4753.309587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.309587][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.309587][   T10]      netlink_unicast+0x449/0x710
[ 4753.309587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.309587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.309587][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.309587][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.309587][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.309587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.309587][   T10] 
[ 4753.311368][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4753.311368][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4753.311368][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4753.311368][   T10]      ipv6_find_idev+0x102/0x170
[ 4753.311368][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4753.311368][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4753.311368][   T10]      netlink_rcv_skb+0x130/0x360
[ 4753.311368][   T10]      netlink_unicast+0x449/0x710
[ 4753.311368][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4753.311368][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4753.311368][   T10]      ___sys_sendmsg+0xee/0x170
[ 4753.311368][   T10]      __sys_sendmsg+0xcd/0x170
[ 4753.311368][   T10]      do_syscall_64+0xc6/0x1e0
[ 4753.311368][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4753.311368][   T10] 
[ 4763.568678][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4763.569115][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.569115][   T10]      dst_init+0x84/0x4a0
[ 4763.569115][   T10]      dst_alloc+0x97/0x150
[ 4763.569115][   T10]      ip6_dst_alloc+0x23/0x90
[ 4763.569115][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4763.569115][   T10]      ip6_pol_route+0x56f/0x840
[ 4763.569115][   T10]      fib6_rule_lookup+0x456/0x630
[ 4763.569115][   T10]      ip6_route_input+0x59c/0xa50
[ 4763.569115][   T10]      ipv6_rcv+0x397/0x810
[ 4763.569115][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4763.569115][   T10]      process_backlog+0x101/0x620
[ 4763.569115][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4763.569115][   T10]      net_rx_action+0x495/0xbe0
[ 4763.569115][   T10]      __do_softirq+0x1b5/0x7f6
[ 4763.569115][   T10] 
[ 4763.570871][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.570871][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4763.570871][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4763.570871][   T10]      fib6_nh_init+0xa22/0x1580
[ 4763.570871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.570871][   T10]      ip6_route_add+0x1c/0x140
[ 4763.570871][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4763.570871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.570871][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.570871][   T10]      netlink_unicast+0x449/0x710
[ 4763.570871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.570871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.570871][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.570871][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.570871][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.570871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.570871][   T10] 
[ 4763.572847][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.572847][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.572847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.572847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.572847][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4763.572847][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4763.572847][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4763.572847][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4763.572847][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4763.572847][   T10]      addrconf_dad_begin+0x310/0x670
[ 4763.572847][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4763.572847][   T10]      process_one_work+0x84d/0x18a0
[ 4763.572847][   T10]      worker_thread+0x587/0xd30
[ 4763.572847][   T10]      kthread+0x28a/0x350
[ 4763.572847][   T10]      ret_from_fork+0x31/0x70
[ 4763.572847][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4763.572847][   T10] 
[ 4763.574832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.574832][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.574832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.574832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.574832][   T10]      ip6_route_add+0x1c/0x140
[ 4763.574832][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4763.574832][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4763.574832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.574832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.574832][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.574832][   T10]      netlink_unicast+0x449/0x710
[ 4763.574832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.574832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.574832][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.574832][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.574832][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.574832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.574832][   T10] 
[ 4763.576938][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.576938][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.576938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.576938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.576938][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4763.576938][   T10]      ipv6_add_addr+0x411/0x2000
[ 4763.576938][   T10]      inet6_addr_add+0x30e/0xa40
[ 4763.576938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.576938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.576938][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.576938][   T10]      netlink_unicast+0x449/0x710
[ 4763.576938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.576938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.576938][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.576938][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.576938][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.576938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.576938][   T10] 
[ 4763.579114][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.579114][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.579114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.579114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.579114][   T10]      ip6_route_add+0x1c/0x140
[ 4763.579114][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4763.579114][   T10]      addrconf_add_dev+0xe2/0x170
[ 4763.579114][   T10]      inet6_addr_add+0x12f/0xa40
[ 4763.579114][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.579114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.579114][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.579114][   T10]      netlink_unicast+0x449/0x710
[ 4763.579114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.579114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.579114][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.579114][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.579114][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.579114][   T10] 
[ 4763.581345][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.581345][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4763.581345][   T10]      ipv6_find_idev+0x102/0x170
[ 4763.581345][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4763.581345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.581345][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.581345][   T10]      netlink_unicast+0x449/0x710
[ 4763.581345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.581345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.581345][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.581345][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.581345][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.581345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.581345][   T10] 
[ 4763.582992][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4763.582992][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4763.582992][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4763.582992][   T10]      ipv6_find_idev+0x102/0x170
[ 4763.582992][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4763.582992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.582992][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.582992][   T10]      netlink_unicast+0x449/0x710
[ 4763.582992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.582992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.582992][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.582992][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.582992][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.582992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.582992][   T10] 
[ 4763.584761][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4763.585015][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.585015][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4763.585015][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4763.585015][   T10]      fib6_nh_init+0xa22/0x1580
[ 4763.585015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.585015][   T10]      ip6_route_add+0x1c/0x140
[ 4763.585015][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4763.585015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.585015][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.585015][   T10]      netlink_unicast+0x449/0x710
[ 4763.585015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.585015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.585015][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.585015][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.585015][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.585015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.585015][   T10] 
[ 4763.587024][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.587024][   T10]      dst_init+0x84/0x4a0
[ 4763.587024][   T10]      dst_alloc+0x97/0x150
[ 4763.587024][   T10]      ip6_dst_alloc+0x23/0x90
[ 4763.587024][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4763.587024][   T10]      ip6_pol_route+0x56f/0x840
[ 4763.587024][   T10]      fib6_rule_lookup+0x456/0x630
[ 4763.587024][   T10]      ip6_route_input+0x59c/0xa50
[ 4763.587024][   T10]      ipv6_rcv+0x397/0x810
[ 4763.587024][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4763.587024][   T10]      process_backlog+0x101/0x620
[ 4763.587024][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4763.587024][   T10]      net_rx_action+0x495/0xbe0
[ 4763.587024][   T10]      __do_softirq+0x1b5/0x7f6
[ 4763.587024][   T10] 
[ 4763.588741][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.588741][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.588741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.588741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.588741][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4763.588741][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4763.588741][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4763.588741][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4763.588741][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4763.588741][   T10]      addrconf_dad_begin+0x310/0x670
[ 4763.588741][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4763.588741][   T10]      process_one_work+0x84d/0x18a0
[ 4763.588741][   T10]      worker_thread+0x587/0xd30
[ 4763.588741][   T10]      kthread+0x28a/0x350
[ 4763.588741][   T10]      ret_from_fork+0x31/0x70
[ 4763.588741][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4763.588741][   T10] 
[ 4763.590740][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.590740][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.590740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.590740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.590740][   T10]      ip6_route_add+0x1c/0x140
[ 4763.590740][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4763.590740][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4763.590740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.590740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.590740][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.590740][   T10]      netlink_unicast+0x449/0x710
[ 4763.590740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.590740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.590740][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.590740][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.590740][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.590740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.590740][   T10] 
[ 4763.592841][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.592841][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.592841][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.592841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.592841][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4763.592841][   T10]      ipv6_add_addr+0x411/0x2000
[ 4763.592841][   T10]      inet6_addr_add+0x30e/0xa40
[ 4763.592841][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.592841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.592841][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.592841][   T10]      netlink_unicast+0x449/0x710
[ 4763.592841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.592841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.592841][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.592841][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.592841][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.592841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.592841][   T10] 
[ 4763.594964][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.594964][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.594964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.594964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.594964][   T10]      ip6_route_add+0x1c/0x140
[ 4763.594964][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4763.594964][   T10]      addrconf_add_dev+0xe2/0x170
[ 4763.594964][   T10]      inet6_addr_add+0x12f/0xa40
[ 4763.594964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.594964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.594964][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.594964][   T10]      netlink_unicast+0x449/0x710
[ 4763.594964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.594964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.594964][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.594964][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.594964][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.594964][   T10] 
[ 4763.597132][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.597132][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4763.597132][   T10]      ipv6_find_idev+0x102/0x170
[ 4763.597132][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4763.597132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.597132][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.597132][   T10]      netlink_unicast+0x449/0x710
[ 4763.597132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.597132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.597132][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.597132][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.597132][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.597132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.597132][   T10] 
[ 4763.598919][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4763.598919][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4763.598919][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4763.598919][   T10]      ipv6_find_idev+0x102/0x170
[ 4763.598919][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4763.598919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.598919][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.598919][   T10]      netlink_unicast+0x449/0x710
[ 4763.598919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.598919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.598919][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.598919][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.598919][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.598919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.598919][   T10] 
[ 4763.600910][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4763.601291][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4763.601291][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.601291][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.601291][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.601291][   T10]      ip6_route_add+0x1c/0x140
[ 4763.601291][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4763.601291][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4763.601291][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.601291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.601291][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.601291][   T10]      netlink_unicast+0x449/0x710
[ 4763.601291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.601291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.601291][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.601291][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.601291][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.601291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.601291][   T10] 
[ 4763.603481][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4763.603481][   T10]      netdev_get_by_index+0x5e/0x80
[ 4763.603481][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4763.603481][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4763.603481][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4763.603481][   T10]      ipv6_add_addr+0x411/0x2000
[ 4763.603481][   T10]      inet6_addr_add+0x30e/0xa40
[ 4763.603481][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4763.603481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.603481][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.603481][   T10]      netlink_unicast+0x449/0x710
[ 4763.603481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.603481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.603481][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.603481][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.603481][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.603481][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.603481][   T10] 
[ 4763.605728][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4763.605728][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4763.605728][   T10]      ipv6_find_idev+0x102/0x170
[ 4763.605728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4763.605728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.605728][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.605728][   T10]      netlink_unicast+0x449/0x710
[ 4763.605728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.605728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.605728][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.605728][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.605728][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.605728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.605728][   T10] 
[ 4763.607475][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4763.607475][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4763.607475][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4763.607475][   T10]      ipv6_find_idev+0x102/0x170
[ 4763.607475][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4763.607475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4763.607475][   T10]      netlink_rcv_skb+0x130/0x360
[ 4763.607475][   T10]      netlink_unicast+0x449/0x710
[ 4763.607475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4763.607475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4763.607475][   T10]      ___sys_sendmsg+0xee/0x170
[ 4763.607475][   T10]      __sys_sendmsg+0xcd/0x170
[ 4763.607475][   T10]      do_syscall_64+0xc6/0x1e0
[ 4763.607475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4763.607475][   T10] 
[ 4773.864688][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4773.865087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.865087][   T10]      dst_init+0x84/0x4a0
[ 4773.865087][   T10]      dst_alloc+0x97/0x150
[ 4773.865087][   T10]      ip6_dst_alloc+0x23/0x90
[ 4773.865087][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4773.865087][   T10]      ip6_pol_route+0x56f/0x840
[ 4773.865087][   T10]      fib6_rule_lookup+0x456/0x630
[ 4773.865087][   T10]      ip6_route_input+0x59c/0xa50
[ 4773.865087][   T10]      ipv6_rcv+0x397/0x810
[ 4773.865087][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4773.865087][   T10]      process_backlog+0x101/0x620
[ 4773.865087][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4773.865087][   T10]      net_rx_action+0x495/0xbe0
[ 4773.865087][   T10]      __do_softirq+0x1b5/0x7f6
[ 4773.865087][   T10] 
[ 4773.867011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.867011][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4773.867011][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4773.867011][   T10]      fib6_nh_init+0xa22/0x1580
[ 4773.867011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.867011][   T10]      ip6_route_add+0x1c/0x140
[ 4773.867011][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4773.867011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.867011][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.867011][   T10]      netlink_unicast+0x449/0x710
[ 4773.867011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.867011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.867011][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.867011][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.867011][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.867011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.867011][   T10] 
[ 4773.869199][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.869199][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.869199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.869199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.869199][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4773.869199][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4773.869199][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4773.869199][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4773.869199][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4773.869199][   T10]      addrconf_dad_begin+0x310/0x670
[ 4773.869199][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4773.869199][   T10]      process_one_work+0x84d/0x18a0
[ 4773.869199][   T10]      worker_thread+0x587/0xd30
[ 4773.869199][   T10]      kthread+0x28a/0x350
[ 4773.869199][   T10]      ret_from_fork+0x31/0x70
[ 4773.869199][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4773.869199][   T10] 
[ 4773.871428][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.871428][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.871428][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.871428][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.871428][   T10]      ip6_route_add+0x1c/0x140
[ 4773.871428][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4773.871428][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4773.871428][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.871428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.871428][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.871428][   T10]      netlink_unicast+0x449/0x710
[ 4773.871428][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.871428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.871428][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.871428][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.871428][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.871428][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.871428][   T10] 
[ 4773.873750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.873750][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.873750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.873750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.873750][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4773.873750][   T10]      ipv6_add_addr+0x411/0x2000
[ 4773.873750][   T10]      inet6_addr_add+0x30e/0xa40
[ 4773.873750][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.873750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.873750][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.873750][   T10]      netlink_unicast+0x449/0x710
[ 4773.873750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.873750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.873750][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.873750][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.873750][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.873750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.873750][   T10] 
[ 4773.876053][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.876053][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.876053][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.876053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.876053][   T10]      ip6_route_add+0x1c/0x140
[ 4773.876053][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4773.876053][   T10]      addrconf_add_dev+0xe2/0x170
[ 4773.876053][   T10]      inet6_addr_add+0x12f/0xa40
[ 4773.876053][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.876053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.876053][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.876053][   T10]      netlink_unicast+0x449/0x710
[ 4773.876053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.876053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.876053][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.876053][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.876053][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.876053][   T10] 
[ 4773.878341][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.878341][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4773.878341][   T10]      ipv6_find_idev+0x102/0x170
[ 4773.878341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4773.878341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.878341][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.878341][   T10]      netlink_unicast+0x449/0x710
[ 4773.878341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.878341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.878341][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.878341][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.878341][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.878341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.878341][   T10] 
[ 4773.880156][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4773.880156][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4773.880156][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4773.880156][   T10]      ipv6_find_idev+0x102/0x170
[ 4773.880156][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4773.880156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.880156][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.880156][   T10]      netlink_unicast+0x449/0x710
[ 4773.880156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.880156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.880156][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.880156][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.880156][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.880156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.880156][   T10] 
[ 4773.882156][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4773.882433][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.882433][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4773.882433][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4773.882433][   T10]      fib6_nh_init+0xa22/0x1580
[ 4773.882433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.882433][   T10]      ip6_route_add+0x1c/0x140
[ 4773.882433][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4773.882433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.882433][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.882433][   T10]      netlink_unicast+0x449/0x710
[ 4773.882433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.882433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.882433][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.882433][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.882433][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.882433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.882433][   T10] 
[ 4773.884653][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.884653][   T10]      dst_init+0x84/0x4a0
[ 4773.884653][   T10]      dst_alloc+0x97/0x150
[ 4773.884653][   T10]      ip6_dst_alloc+0x23/0x90
[ 4773.884653][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4773.884653][   T10]      ip6_pol_route+0x56f/0x840
[ 4773.884653][   T10]      fib6_rule_lookup+0x456/0x630
[ 4773.884653][   T10]      ip6_route_input+0x59c/0xa50
[ 4773.884653][   T10]      ipv6_rcv+0x397/0x810
[ 4773.884653][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4773.884653][   T10]      process_backlog+0x101/0x620
[ 4773.884653][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4773.884653][   T10]      net_rx_action+0x495/0xbe0
[ 4773.884653][   T10]      __do_softirq+0x1b5/0x7f6
[ 4773.884653][   T10] 
[ 4773.886562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.886562][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.886562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.886562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.886562][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4773.886562][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4773.886562][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4773.886562][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4773.886562][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4773.886562][   T10]      addrconf_dad_begin+0x310/0x670
[ 4773.886562][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4773.886562][   T10]      process_one_work+0x84d/0x18a0
[ 4773.886562][   T10]      worker_thread+0x587/0xd30
[ 4773.886562][   T10]      kthread+0x28a/0x350
[ 4773.886562][   T10]      ret_from_fork+0x31/0x70
[ 4773.886562][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4773.886562][   T10] 
[ 4773.888782][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.888782][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.888782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.888782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.888782][   T10]      ip6_route_add+0x1c/0x140
[ 4773.888782][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4773.888782][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4773.888782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.888782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.888782][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.888782][   T10]      netlink_unicast+0x449/0x710
[ 4773.888782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.888782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.888782][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.888782][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.888782][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.888782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.888782][   T10] 
[ 4773.891123][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.891123][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.891123][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.891123][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.891123][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4773.891123][   T10]      ipv6_add_addr+0x411/0x2000
[ 4773.891123][   T10]      inet6_addr_add+0x30e/0xa40
[ 4773.891123][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.891123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.891123][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.891123][   T10]      netlink_unicast+0x449/0x710
[ 4773.891123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.891123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.891123][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.891123][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.891123][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.891123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.891123][   T10] 
[ 4773.893451][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.893451][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.893451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.893451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.893451][   T10]      ip6_route_add+0x1c/0x140
[ 4773.893451][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4773.893451][   T10]      addrconf_add_dev+0xe2/0x170
[ 4773.893451][   T10]      inet6_addr_add+0x12f/0xa40
[ 4773.893451][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.893451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.893451][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.893451][   T10]      netlink_unicast+0x449/0x710
[ 4773.893451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.893451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.893451][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.893451][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.893451][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.893451][   T10] 
[ 4773.895959][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.895959][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4773.895959][   T10]      ipv6_find_idev+0x102/0x170
[ 4773.895959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4773.895959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.895959][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.895959][   T10]      netlink_unicast+0x449/0x710
[ 4773.895959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.895959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.895959][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.895959][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.895959][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.895959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.895959][   T10] 
[ 4773.897952][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4773.897952][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4773.897952][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4773.897952][   T10]      ipv6_find_idev+0x102/0x170
[ 4773.897952][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4773.897952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.897952][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.897952][   T10]      netlink_unicast+0x449/0x710
[ 4773.897952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.897952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.897952][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.897952][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.897952][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.897952][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.897952][   T10] 
[ 4773.900182][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4773.900460][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4773.900460][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.900460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.900460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.900460][   T10]      ip6_route_add+0x1c/0x140
[ 4773.900460][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4773.900460][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4773.900460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.900460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.900460][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.900460][   T10]      netlink_unicast+0x449/0x710
[ 4773.900460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.900460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.900460][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.900460][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.900460][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.900460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.900460][   T10] 
[ 4773.903054][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4773.903054][   T10]      netdev_get_by_index+0x5e/0x80
[ 4773.903054][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4773.903054][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4773.903054][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4773.903054][   T10]      ipv6_add_addr+0x411/0x2000
[ 4773.903054][   T10]      inet6_addr_add+0x30e/0xa40
[ 4773.903054][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4773.903054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.903054][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.903054][   T10]      netlink_unicast+0x449/0x710
[ 4773.903054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.903054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.903054][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.903054][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.903054][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.903054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.903054][   T10] 
[ 4773.905640][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4773.905640][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4773.905640][   T10]      ipv6_find_idev+0x102/0x170
[ 4773.905640][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4773.905640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.905640][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.905640][   T10]      netlink_unicast+0x449/0x710
[ 4773.905640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.905640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.905640][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.905640][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.905640][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.905640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.905640][   T10] 
[ 4773.907625][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4773.907625][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4773.907625][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4773.907625][   T10]      ipv6_find_idev+0x102/0x170
[ 4773.907625][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4773.907625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4773.907625][   T10]      netlink_rcv_skb+0x130/0x360
[ 4773.907625][   T10]      netlink_unicast+0x449/0x710
[ 4773.907625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4773.907625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4773.907625][   T10]      ___sys_sendmsg+0xee/0x170
[ 4773.907625][   T10]      __sys_sendmsg+0xcd/0x170
[ 4773.907625][   T10]      do_syscall_64+0xc6/0x1e0
[ 4773.907625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4773.907625][   T10] 
[ 4784.160740][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4784.161242][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.161242][   T10]      dst_init+0x84/0x4a0
[ 4784.161242][   T10]      dst_alloc+0x97/0x150
[ 4784.161242][   T10]      ip6_dst_alloc+0x23/0x90
[ 4784.161242][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4784.161242][   T10]      ip6_pol_route+0x56f/0x840
[ 4784.161242][   T10]      fib6_rule_lookup+0x456/0x630
[ 4784.161242][   T10]      ip6_route_input+0x59c/0xa50
[ 4784.161242][   T10]      ipv6_rcv+0x397/0x810
[ 4784.161242][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4784.161242][   T10]      process_backlog+0x101/0x620
[ 4784.161242][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4784.161242][   T10]      net_rx_action+0x495/0xbe0
[ 4784.161242][   T10]      __do_softirq+0x1b5/0x7f6
[ 4784.161242][   T10] 
[ 4784.163196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.163196][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4784.163196][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4784.163196][   T10]      fib6_nh_init+0xa22/0x1580
[ 4784.163196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.163196][   T10]      ip6_route_add+0x1c/0x140
[ 4784.163196][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4784.163196][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.163196][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.163196][   T10]      netlink_unicast+0x449/0x710
[ 4784.163196][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.163196][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.163196][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.163196][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.163196][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.163196][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.163196][   T10] 
[ 4784.165451][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.165451][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.165451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.165451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.165451][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4784.165451][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4784.165451][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4784.165451][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4784.165451][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4784.165451][   T10]      addrconf_dad_begin+0x310/0x670
[ 4784.165451][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4784.165451][   T10]      process_one_work+0x84d/0x18a0
[ 4784.165451][   T10]      worker_thread+0x587/0xd30
[ 4784.165451][   T10]      kthread+0x28a/0x350
[ 4784.165451][   T10]      ret_from_fork+0x31/0x70
[ 4784.165451][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4784.165451][   T10] 
[ 4784.167702][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.167702][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.167702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.167702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.167702][   T10]      ip6_route_add+0x1c/0x140
[ 4784.167702][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4784.167702][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4784.167702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.167702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.167702][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.167702][   T10]      netlink_unicast+0x449/0x710
[ 4784.167702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.167702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.167702][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.167702][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.167702][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.167702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.167702][   T10] 
[ 4784.170079][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.170079][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.170079][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.170079][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.170079][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4784.170079][   T10]      ipv6_add_addr+0x411/0x2000
[ 4784.170079][   T10]      inet6_addr_add+0x30e/0xa40
[ 4784.170079][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.170079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.170079][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.170079][   T10]      netlink_unicast+0x449/0x710
[ 4784.170079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.170079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.170079][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.170079][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.170079][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.170079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.170079][   T10] 
[ 4784.172435][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.172435][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.172435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.172435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.172435][   T10]      ip6_route_add+0x1c/0x140
[ 4784.172435][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4784.172435][   T10]      addrconf_add_dev+0xe2/0x170
[ 4784.172435][   T10]      inet6_addr_add+0x12f/0xa40
[ 4784.172435][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.172435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.172435][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.172435][   T10]      netlink_unicast+0x449/0x710
[ 4784.172435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.172435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.172435][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.172435][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.172435][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.172435][   T10] 
[ 4784.174777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.174777][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4784.174777][   T10]      ipv6_find_idev+0x102/0x170
[ 4784.174777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4784.174777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.174777][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.174777][   T10]      netlink_unicast+0x449/0x710
[ 4784.174777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.174777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.174777][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.174777][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.174777][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.174777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.174777][   T10] 
[ 4784.176598][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4784.176598][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4784.176598][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4784.176598][   T10]      ipv6_find_idev+0x102/0x170
[ 4784.176598][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4784.176598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.176598][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.176598][   T10]      netlink_unicast+0x449/0x710
[ 4784.176598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.176598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.176598][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.176598][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.176598][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.176598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.176598][   T10] 
[ 4784.178602][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4784.178887][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.178887][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4784.178887][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4784.178887][   T10]      fib6_nh_init+0xa22/0x1580
[ 4784.178887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.178887][   T10]      ip6_route_add+0x1c/0x140
[ 4784.178887][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4784.178887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.178887][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.178887][   T10]      netlink_unicast+0x449/0x710
[ 4784.178887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.178887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.178887][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.178887][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.178887][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.178887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.178887][   T10] 
[ 4784.181092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.181092][   T10]      dst_init+0x84/0x4a0
[ 4784.181092][   T10]      dst_alloc+0x97/0x150
[ 4784.181092][   T10]      ip6_dst_alloc+0x23/0x90
[ 4784.181092][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4784.181092][   T10]      ip6_pol_route+0x56f/0x840
[ 4784.181092][   T10]      fib6_rule_lookup+0x456/0x630
[ 4784.181092][   T10]      ip6_route_input+0x59c/0xa50
[ 4784.181092][   T10]      ipv6_rcv+0x397/0x810
[ 4784.181092][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4784.181092][   T10]      process_backlog+0x101/0x620
[ 4784.181092][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4784.181092][   T10]      net_rx_action+0x495/0xbe0
[ 4784.181092][   T10]      __do_softirq+0x1b5/0x7f6
[ 4784.181092][   T10] 
[ 4784.182993][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.182993][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.182993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.182993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.182993][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4784.182993][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4784.182993][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4784.182993][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4784.182993][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4784.182993][   T10]      addrconf_dad_begin+0x310/0x670
[ 4784.182993][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4784.182993][   T10]      process_one_work+0x84d/0x18a0
[ 4784.182993][   T10]      worker_thread+0x587/0xd30
[ 4784.182993][   T10]      kthread+0x28a/0x350
[ 4784.182993][   T10]      ret_from_fork+0x31/0x70
[ 4784.182993][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4784.182993][   T10] 
[ 4784.185245][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.185245][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.185245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.185245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.185245][   T10]      ip6_route_add+0x1c/0x140
[ 4784.185245][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4784.185245][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4784.185245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.185245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.185245][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.185245][   T10]      netlink_unicast+0x449/0x710
[ 4784.185245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.185245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.185245][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.185245][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.185245][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.185245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.185245][   T10] 
[ 4784.187527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.187527][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.187527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.187527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.187527][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4784.187527][   T10]      ipv6_add_addr+0x411/0x2000
[ 4784.187527][   T10]      inet6_addr_add+0x30e/0xa40
[ 4784.187527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.187527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.187527][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.187527][   T10]      netlink_unicast+0x449/0x710
[ 4784.187527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.187527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.187527][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.187527][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.187527][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.187527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.187527][   T10] 
[ 4784.189846][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.189846][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.189846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.189846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.189846][   T10]      ip6_route_add+0x1c/0x140
[ 4784.189846][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4784.189846][   T10]      addrconf_add_dev+0xe2/0x170
[ 4784.189846][   T10]      inet6_addr_add+0x12f/0xa40
[ 4784.189846][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.189846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.189846][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.189846][   T10]      netlink_unicast+0x449/0x710
[ 4784.189846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.189846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.189846][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.189846][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.189846][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.189846][   T10] 
[ 4784.192377][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.192377][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4784.192377][   T10]      ipv6_find_idev+0x102/0x170
[ 4784.192377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4784.192377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.192377][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.192377][   T10]      netlink_unicast+0x449/0x710
[ 4784.192377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.192377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.192377][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.192377][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.192377][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.192377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.192377][   T10] 
[ 4784.194434][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4784.194434][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4784.194434][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4784.194434][   T10]      ipv6_find_idev+0x102/0x170
[ 4784.194434][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4784.194434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.194434][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.194434][   T10]      netlink_unicast+0x449/0x710
[ 4784.194434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.194434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.194434][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.194434][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.194434][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.194434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.194434][   T10] 
[ 4784.196630][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4784.196911][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4784.196911][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.196911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.196911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.196911][   T10]      ip6_route_add+0x1c/0x140
[ 4784.196911][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4784.196911][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4784.196911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.196911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.196911][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.196911][   T10]      netlink_unicast+0x449/0x710
[ 4784.196911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.196911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.196911][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.196911][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.196911][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.196911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.196911][   T10] 
[ 4784.199563][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4784.199563][   T10]      netdev_get_by_index+0x5e/0x80
[ 4784.199563][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4784.199563][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4784.199563][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4784.199563][   T10]      ipv6_add_addr+0x411/0x2000
[ 4784.199563][   T10]      inet6_addr_add+0x30e/0xa40
[ 4784.199563][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4784.199563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.199563][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.199563][   T10]      netlink_unicast+0x449/0x710
[ 4784.199563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.199563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.199563][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.199563][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.199563][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.199563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.199563][   T10] 
[ 4784.202193][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4784.202193][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4784.202193][   T10]      ipv6_find_idev+0x102/0x170
[ 4784.202193][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4784.202193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.202193][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.202193][   T10]      netlink_unicast+0x449/0x710
[ 4784.202193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.202193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.202193][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.202193][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.202193][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.202193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.202193][   T10] 
[ 4784.204266][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4784.204266][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4784.204266][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4784.204266][   T10]      ipv6_find_idev+0x102/0x170
[ 4784.204266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4784.204266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4784.204266][   T10]      netlink_rcv_skb+0x130/0x360
[ 4784.204266][   T10]      netlink_unicast+0x449/0x710
[ 4784.204266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4784.204266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4784.204266][   T10]      ___sys_sendmsg+0xee/0x170
[ 4784.204266][   T10]      __sys_sendmsg+0xcd/0x170
[ 4784.204266][   T10]      do_syscall_64+0xc6/0x1e0
[ 4784.204266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4784.204266][   T10] 
[ 4794.456710][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4794.457102][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.457102][   T10]      dst_init+0x84/0x4a0
[ 4794.457102][   T10]      dst_alloc+0x97/0x150
[ 4794.457102][   T10]      ip6_dst_alloc+0x23/0x90
[ 4794.457102][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4794.457102][   T10]      ip6_pol_route+0x56f/0x840
[ 4794.457102][   T10]      fib6_rule_lookup+0x456/0x630
[ 4794.457102][   T10]      ip6_route_input+0x59c/0xa50
[ 4794.457102][   T10]      ipv6_rcv+0x397/0x810
[ 4794.457102][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4794.457102][   T10]      process_backlog+0x101/0x620
[ 4794.457102][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4794.457102][   T10]      net_rx_action+0x495/0xbe0
[ 4794.457102][   T10]      __do_softirq+0x1b5/0x7f6
[ 4794.457102][   T10] 
[ 4794.459060][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.459060][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4794.459060][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4794.459060][   T10]      fib6_nh_init+0xa22/0x1580
[ 4794.459060][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.459060][   T10]      ip6_route_add+0x1c/0x140
[ 4794.459060][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4794.459060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.459060][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.459060][   T10]      netlink_unicast+0x449/0x710
[ 4794.459060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.459060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.459060][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.459060][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.459060][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.459060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.459060][   T10] 
[ 4794.461286][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.461286][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.461286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.461286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.461286][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4794.461286][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4794.461286][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4794.461286][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4794.461286][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4794.461286][   T10]      addrconf_dad_begin+0x310/0x670
[ 4794.461286][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4794.461286][   T10]      process_one_work+0x84d/0x18a0
[ 4794.461286][   T10]      worker_thread+0x587/0xd30
[ 4794.461286][   T10]      kthread+0x28a/0x350
[ 4794.461286][   T10]      ret_from_fork+0x31/0x70
[ 4794.461286][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4794.461286][   T10] 
[ 4794.463471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.463471][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.463471][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.463471][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.463471][   T10]      ip6_route_add+0x1c/0x140
[ 4794.463471][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4794.463471][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4794.463471][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.463471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.463471][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.463471][   T10]      netlink_unicast+0x449/0x710
[ 4794.463471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.463471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.463471][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.463471][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.463471][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.463471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.463471][   T10] 
[ 4794.465798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.465798][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.465798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.465798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.465798][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4794.465798][   T10]      ipv6_add_addr+0x411/0x2000
[ 4794.465798][   T10]      inet6_addr_add+0x30e/0xa40
[ 4794.465798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.465798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.465798][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.465798][   T10]      netlink_unicast+0x449/0x710
[ 4794.465798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.465798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.465798][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.465798][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.465798][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.465798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.465798][   T10] 
[ 4794.468094][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.468094][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.468094][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.468094][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.468094][   T10]      ip6_route_add+0x1c/0x140
[ 4794.468094][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4794.468094][   T10]      addrconf_add_dev+0xe2/0x170
[ 4794.468094][   T10]      inet6_addr_add+0x12f/0xa40
[ 4794.468094][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.468094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.468094][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.468094][   T10]      netlink_unicast+0x449/0x710
[ 4794.468094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.468094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.468094][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.468094][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.468094][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.468094][   T10] 
[ 4794.470354][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.470354][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4794.470354][   T10]      ipv6_find_idev+0x102/0x170
[ 4794.470354][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4794.470354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.470354][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.470354][   T10]      netlink_unicast+0x449/0x710
[ 4794.470354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.470354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.470354][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.470354][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.470354][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.470354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.470354][   T10] 
[ 4794.472114][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4794.472114][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4794.472114][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4794.472114][   T10]      ipv6_find_idev+0x102/0x170
[ 4794.472114][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4794.472114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.472114][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.472114][   T10]      netlink_unicast+0x449/0x710
[ 4794.472114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.472114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.472114][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.472114][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.472114][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.472114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.472114][   T10] 
[ 4794.474060][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4794.474326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.474326][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4794.474326][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4794.474326][   T10]      fib6_nh_init+0xa22/0x1580
[ 4794.474326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.474326][   T10]      ip6_route_add+0x1c/0x140
[ 4794.474326][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4794.474326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.474326][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.474326][   T10]      netlink_unicast+0x449/0x710
[ 4794.474326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.474326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.474326][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.474326][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.474326][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.474326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.474326][   T10] 
[ 4794.476480][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.476480][   T10]      dst_init+0x84/0x4a0
[ 4794.476480][   T10]      dst_alloc+0x97/0x150
[ 4794.476480][   T10]      ip6_dst_alloc+0x23/0x90
[ 4794.476480][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4794.476480][   T10]      ip6_pol_route+0x56f/0x840
[ 4794.476480][   T10]      fib6_rule_lookup+0x456/0x630
[ 4794.476480][   T10]      ip6_route_input+0x59c/0xa50
[ 4794.476480][   T10]      ipv6_rcv+0x397/0x810
[ 4794.476480][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4794.476480][   T10]      process_backlog+0x101/0x620
[ 4794.476480][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4794.476480][   T10]      net_rx_action+0x495/0xbe0
[ 4794.476480][   T10]      __do_softirq+0x1b5/0x7f6
[ 4794.476480][   T10] 
[ 4794.478356][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.478356][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.478356][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.478356][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.478356][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4794.478356][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4794.478356][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4794.478356][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4794.478356][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4794.478356][   T10]      addrconf_dad_begin+0x310/0x670
[ 4794.478356][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4794.478356][   T10]      process_one_work+0x84d/0x18a0
[ 4794.478356][   T10]      worker_thread+0x587/0xd30
[ 4794.478356][   T10]      kthread+0x28a/0x350
[ 4794.478356][   T10]      ret_from_fork+0x31/0x70
[ 4794.478356][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4794.478356][   T10] 
[ 4794.480529][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.480529][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.480529][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.480529][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.480529][   T10]      ip6_route_add+0x1c/0x140
[ 4794.480529][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4794.480529][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4794.480529][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.480529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.480529][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.480529][   T10]      netlink_unicast+0x449/0x710
[ 4794.480529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.480529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.480529][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.480529][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.480529][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.480529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.480529][   T10] 
[ 4794.482820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.482820][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.482820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.482820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.482820][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4794.482820][   T10]      ipv6_add_addr+0x411/0x2000
[ 4794.482820][   T10]      inet6_addr_add+0x30e/0xa40
[ 4794.482820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.482820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.482820][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.482820][   T10]      netlink_unicast+0x449/0x710
[ 4794.482820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.482820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.482820][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.482820][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.482820][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.482820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.482820][   T10] 
[ 4794.485123][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.485123][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.485123][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.485123][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.485123][   T10]      ip6_route_add+0x1c/0x140
[ 4794.485123][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4794.485123][   T10]      addrconf_add_dev+0xe2/0x170
[ 4794.485123][   T10]      inet6_addr_add+0x12f/0xa40
[ 4794.485123][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.485123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.485123][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.485123][   T10]      netlink_unicast+0x449/0x710
[ 4794.485123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.485123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.485123][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.485123][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.485123][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.485123][   T10] 
[ 4794.487548][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.487548][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4794.487548][   T10]      ipv6_find_idev+0x102/0x170
[ 4794.487548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4794.487548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.487548][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.487548][   T10]      netlink_unicast+0x449/0x710
[ 4794.487548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.487548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.487548][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.487548][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.487548][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.487548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.487548][   T10] 
[ 4794.489485][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4794.489485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4794.489485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4794.489485][   T10]      ipv6_find_idev+0x102/0x170
[ 4794.489485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4794.489485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.489485][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.489485][   T10]      netlink_unicast+0x449/0x710
[ 4794.489485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.489485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.489485][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.489485][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.489485][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.489485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.489485][   T10] 
[ 4794.491650][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4794.491918][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4794.491918][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.491918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.491918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.491918][   T10]      ip6_route_add+0x1c/0x140
[ 4794.491918][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4794.491918][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4794.491918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.491918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.491918][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.491918][   T10]      netlink_unicast+0x449/0x710
[ 4794.491918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.491918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.491918][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.491918][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.491918][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.491918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.491918][   T10] 
[ 4794.494449][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4794.494449][   T10]      netdev_get_by_index+0x5e/0x80
[ 4794.494449][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4794.494449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4794.494449][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4794.494449][   T10]      ipv6_add_addr+0x411/0x2000
[ 4794.494449][   T10]      inet6_addr_add+0x30e/0xa40
[ 4794.494449][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4794.494449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.494449][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.494449][   T10]      netlink_unicast+0x449/0x710
[ 4794.494449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.494449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.494449][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.494449][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.494449][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.494449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.494449][   T10] 
[ 4794.496953][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4794.496953][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4794.496953][   T10]      ipv6_find_idev+0x102/0x170
[ 4794.496953][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4794.496953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.496953][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.496953][   T10]      netlink_unicast+0x449/0x710
[ 4794.496953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.496953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.496953][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.496953][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.496953][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.496953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.496953][   T10] 
[ 4794.498891][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4794.498891][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4794.498891][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4794.498891][   T10]      ipv6_find_idev+0x102/0x170
[ 4794.498891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4794.498891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4794.498891][   T10]      netlink_rcv_skb+0x130/0x360
[ 4794.498891][   T10]      netlink_unicast+0x449/0x710
[ 4794.498891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4794.498891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4794.498891][   T10]      ___sys_sendmsg+0xee/0x170
[ 4794.498891][   T10]      __sys_sendmsg+0xcd/0x170
[ 4794.498891][   T10]      do_syscall_64+0xc6/0x1e0
[ 4794.498891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4794.498891][   T10] 
[ 4804.752695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4804.753142][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.753142][   T10]      dst_init+0x84/0x4a0
[ 4804.753142][   T10]      dst_alloc+0x97/0x150
[ 4804.753142][   T10]      ip6_dst_alloc+0x23/0x90
[ 4804.753142][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4804.753142][   T10]      ip6_pol_route+0x56f/0x840
[ 4804.753142][   T10]      fib6_rule_lookup+0x456/0x630
[ 4804.753142][   T10]      ip6_route_input+0x59c/0xa50
[ 4804.753142][   T10]      ipv6_rcv+0x397/0x810
[ 4804.753142][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4804.753142][   T10]      process_backlog+0x101/0x620
[ 4804.753142][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4804.753142][   T10]      net_rx_action+0x495/0xbe0
[ 4804.753142][   T10]      __do_softirq+0x1b5/0x7f6
[ 4804.753142][   T10] 
[ 4804.755049][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.755049][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4804.755049][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4804.755049][   T10]      fib6_nh_init+0xa22/0x1580
[ 4804.755049][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.755049][   T10]      ip6_route_add+0x1c/0x140
[ 4804.755049][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4804.755049][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.755049][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.755049][   T10]      netlink_unicast+0x449/0x710
[ 4804.755049][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.755049][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.755049][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.755049][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.755049][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.755049][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.755049][   T10] 
[ 4804.757196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.757196][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.757196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.757196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.757196][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4804.757196][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4804.757196][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4804.757196][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4804.757196][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4804.757196][   T10]      addrconf_dad_begin+0x310/0x670
[ 4804.757196][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4804.757196][   T10]      process_one_work+0x84d/0x18a0
[ 4804.757196][   T10]      worker_thread+0x587/0xd30
[ 4804.757196][   T10]      kthread+0x28a/0x350
[ 4804.757196][   T10]      ret_from_fork+0x31/0x70
[ 4804.757196][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4804.757196][   T10] 
[ 4804.759383][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.759383][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.759383][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.759383][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.759383][   T10]      ip6_route_add+0x1c/0x140
[ 4804.759383][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4804.759383][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4804.759383][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.759383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.759383][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.759383][   T10]      netlink_unicast+0x449/0x710
[ 4804.759383][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.759383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.759383][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.759383][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.759383][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.759383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.759383][   T10] 
[ 4804.761666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.761666][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.761666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.761666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.761666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4804.761666][   T10]      ipv6_add_addr+0x411/0x2000
[ 4804.761666][   T10]      inet6_addr_add+0x30e/0xa40
[ 4804.761666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.761666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.761666][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.761666][   T10]      netlink_unicast+0x449/0x710
[ 4804.761666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.761666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.761666][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.761666][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.761666][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.761666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.761666][   T10] 
[ 4804.763957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.763957][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.763957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.763957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.763957][   T10]      ip6_route_add+0x1c/0x140
[ 4804.763957][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4804.763957][   T10]      addrconf_add_dev+0xe2/0x170
[ 4804.763957][   T10]      inet6_addr_add+0x12f/0xa40
[ 4804.763957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.763957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.763957][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.763957][   T10]      netlink_unicast+0x449/0x710
[ 4804.763957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.763957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.763957][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.763957][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.763957][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.763957][   T10] 
[ 4804.766178][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.766178][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4804.766178][   T10]      ipv6_find_idev+0x102/0x170
[ 4804.766178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4804.766178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.766178][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.766178][   T10]      netlink_unicast+0x449/0x710
[ 4804.766178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.766178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.766178][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.766178][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.766178][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.766178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.766178][   T10] 
[ 4804.767928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4804.767928][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4804.767928][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4804.767928][   T10]      ipv6_find_idev+0x102/0x170
[ 4804.767928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4804.767928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.767928][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.767928][   T10]      netlink_unicast+0x449/0x710
[ 4804.767928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.767928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.767928][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.767928][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.767928][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.767928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.767928][   T10] 
[ 4804.769866][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4804.770136][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.770136][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4804.770136][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4804.770136][   T10]      fib6_nh_init+0xa22/0x1580
[ 4804.770136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.770136][   T10]      ip6_route_add+0x1c/0x140
[ 4804.770136][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4804.770136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.770136][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.770136][   T10]      netlink_unicast+0x449/0x710
[ 4804.770136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.770136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.770136][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.770136][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.770136][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.770136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.770136][   T10] 
[ 4804.772271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.772271][   T10]      dst_init+0x84/0x4a0
[ 4804.772271][   T10]      dst_alloc+0x97/0x150
[ 4804.772271][   T10]      ip6_dst_alloc+0x23/0x90
[ 4804.772271][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4804.772271][   T10]      ip6_pol_route+0x56f/0x840
[ 4804.772271][   T10]      fib6_rule_lookup+0x456/0x630
[ 4804.772271][   T10]      ip6_route_input+0x59c/0xa50
[ 4804.772271][   T10]      ipv6_rcv+0x397/0x810
[ 4804.772271][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4804.772271][   T10]      process_backlog+0x101/0x620
[ 4804.772271][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4804.772271][   T10]      net_rx_action+0x495/0xbe0
[ 4804.772271][   T10]      __do_softirq+0x1b5/0x7f6
[ 4804.772271][   T10] 
[ 4804.774114][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.774114][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.774114][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.774114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.774114][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4804.774114][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4804.774114][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4804.774114][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4804.774114][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4804.774114][   T10]      addrconf_dad_begin+0x310/0x670
[ 4804.774114][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4804.774114][   T10]      process_one_work+0x84d/0x18a0
[ 4804.774114][   T10]      worker_thread+0x587/0xd30
[ 4804.774114][   T10]      kthread+0x28a/0x350
[ 4804.774114][   T10]      ret_from_fork+0x31/0x70
[ 4804.774114][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4804.774114][   T10] 
[ 4804.776297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.776297][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.776297][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.776297][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.776297][   T10]      ip6_route_add+0x1c/0x140
[ 4804.776297][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4804.776297][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4804.776297][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.776297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.776297][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.776297][   T10]      netlink_unicast+0x449/0x710
[ 4804.776297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.776297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.776297][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.776297][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.776297][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.776297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.776297][   T10] 
[ 4804.778574][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.778574][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.778574][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.778574][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.778574][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4804.778574][   T10]      ipv6_add_addr+0x411/0x2000
[ 4804.778574][   T10]      inet6_addr_add+0x30e/0xa40
[ 4804.778574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.778574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.778574][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.778574][   T10]      netlink_unicast+0x449/0x710
[ 4804.778574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.778574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.778574][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.778574][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.778574][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.778574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.778574][   T10] 
[ 4804.780854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.780854][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.780854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.780854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.780854][   T10]      ip6_route_add+0x1c/0x140
[ 4804.780854][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4804.780854][   T10]      addrconf_add_dev+0xe2/0x170
[ 4804.780854][   T10]      inet6_addr_add+0x12f/0xa40
[ 4804.780854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.780854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.780854][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.780854][   T10]      netlink_unicast+0x449/0x710
[ 4804.780854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.780854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.780854][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.780854][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.780854][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.780854][   T10] 
[ 4804.783295][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.783295][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4804.783295][   T10]      ipv6_find_idev+0x102/0x170
[ 4804.783295][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4804.783295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.783295][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.783295][   T10]      netlink_unicast+0x449/0x710
[ 4804.783295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.783295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.783295][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.783295][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.783295][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.783295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.783295][   T10] 
[ 4804.785329][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4804.785329][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4804.785329][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4804.785329][   T10]      ipv6_find_idev+0x102/0x170
[ 4804.785329][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4804.785329][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.785329][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.785329][   T10]      netlink_unicast+0x449/0x710
[ 4804.785329][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.785329][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.785329][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.785329][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.785329][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.785329][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.785329][   T10] 
[ 4804.787462][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4804.787817][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4804.787817][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.787817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.787817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.787817][   T10]      ip6_route_add+0x1c/0x140
[ 4804.787817][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4804.787817][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4804.787817][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.787817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.787817][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.787817][   T10]      netlink_unicast+0x449/0x710
[ 4804.787817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.787817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.787817][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.787817][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.787817][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.787817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.787817][   T10] 
[ 4804.790306][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4804.790306][   T10]      netdev_get_by_index+0x5e/0x80
[ 4804.790306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4804.790306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4804.790306][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4804.790306][   T10]      ipv6_add_addr+0x411/0x2000
[ 4804.790306][   T10]      inet6_addr_add+0x30e/0xa40
[ 4804.790306][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4804.790306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.790306][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.790306][   T10]      netlink_unicast+0x449/0x710
[ 4804.790306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.790306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.790306][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.790306][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.790306][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.790306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.790306][   T10] 
[ 4804.792847][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4804.792847][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4804.792847][   T10]      ipv6_find_idev+0x102/0x170
[ 4804.792847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4804.792847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.792847][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.792847][   T10]      netlink_unicast+0x449/0x710
[ 4804.792847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.792847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.792847][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.792847][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.792847][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.792847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.792847][   T10] 
[ 4804.794867][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4804.794867][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4804.794867][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4804.794867][   T10]      ipv6_find_idev+0x102/0x170
[ 4804.794867][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4804.794867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4804.794867][   T10]      netlink_rcv_skb+0x130/0x360
[ 4804.794867][   T10]      netlink_unicast+0x449/0x710
[ 4804.794867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4804.794867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4804.794867][   T10]      ___sys_sendmsg+0xee/0x170
[ 4804.794867][   T10]      __sys_sendmsg+0xcd/0x170
[ 4804.794867][   T10]      do_syscall_64+0xc6/0x1e0
[ 4804.794867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4804.794867][   T10] 
[ 4814.976770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4814.977298][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.977298][   T10]      dst_init+0x84/0x4a0
[ 4814.977298][   T10]      dst_alloc+0x97/0x150
[ 4814.977298][   T10]      ip6_dst_alloc+0x23/0x90
[ 4814.977298][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4814.977298][   T10]      ip6_pol_route+0x56f/0x840
[ 4814.977298][   T10]      fib6_rule_lookup+0x456/0x630
[ 4814.977298][   T10]      ip6_route_input+0x59c/0xa50
[ 4814.977298][   T10]      ipv6_rcv+0x397/0x810
[ 4814.977298][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4814.977298][   T10]      process_backlog+0x101/0x620
[ 4814.977298][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4814.977298][   T10]      net_rx_action+0x495/0xbe0
[ 4814.977298][   T10]      __do_softirq+0x1b5/0x7f6
[ 4814.977298][   T10] 
[ 4814.979007][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.979007][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4814.979007][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4814.979007][   T10]      fib6_nh_init+0xa22/0x1580
[ 4814.979007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.979007][   T10]      ip6_route_add+0x1c/0x140
[ 4814.979007][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4814.979007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.979007][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.979007][   T10]      netlink_unicast+0x449/0x710
[ 4814.979007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.979007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.979007][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.979007][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.979007][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.979007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.979007][   T10] 
[ 4814.980954][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.980954][   T10]      netdev_get_by_index+0x5e/0x80
[ 4814.980954][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4814.980954][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.980954][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4814.980954][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4814.980954][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4814.980954][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4814.980954][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4814.980954][   T10]      addrconf_dad_begin+0x310/0x670
[ 4814.980954][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4814.980954][   T10]      process_one_work+0x84d/0x18a0
[ 4814.980954][   T10]      worker_thread+0x587/0xd30
[ 4814.980954][   T10]      kthread+0x28a/0x350
[ 4814.980954][   T10]      ret_from_fork+0x31/0x70
[ 4814.980954][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4814.980954][   T10] 
[ 4814.982915][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.982915][   T10]      netdev_get_by_index+0x5e/0x80
[ 4814.982915][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4814.982915][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.982915][   T10]      ip6_route_add+0x1c/0x140
[ 4814.982915][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4814.982915][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4814.982915][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4814.982915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.982915][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.982915][   T10]      netlink_unicast+0x449/0x710
[ 4814.982915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.982915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.982915][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.982915][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.982915][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.982915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.982915][   T10] 
[ 4814.984977][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.984977][   T10]      netdev_get_by_index+0x5e/0x80
[ 4814.984977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4814.984977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.984977][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4814.984977][   T10]      ipv6_add_addr+0x411/0x2000
[ 4814.984977][   T10]      inet6_addr_add+0x30e/0xa40
[ 4814.984977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4814.984977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.984977][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.984977][   T10]      netlink_unicast+0x449/0x710
[ 4814.984977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.984977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.984977][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.984977][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.984977][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.984977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.984977][   T10] 
[ 4814.987042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.987042][   T10]      netdev_get_by_index+0x5e/0x80
[ 4814.987042][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4814.987042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.987042][   T10]      ip6_route_add+0x1c/0x140
[ 4814.987042][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4814.987042][   T10]      addrconf_add_dev+0xe2/0x170
[ 4814.987042][   T10]      inet6_addr_add+0x12f/0xa40
[ 4814.987042][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4814.987042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.987042][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.987042][   T10]      netlink_unicast+0x449/0x710
[ 4814.987042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.987042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.987042][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.987042][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.987042][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.987042][   T10] 
[ 4814.989064][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.989064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4814.989064][   T10]      ipv6_find_idev+0x102/0x170
[ 4814.989064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4814.989064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.989064][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.989064][   T10]      netlink_unicast+0x449/0x710
[ 4814.989064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.989064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.989064][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.989064][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.989064][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.989064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.989064][   T10] 
[ 4814.990603][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4814.990603][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4814.990603][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4814.990603][   T10]      ipv6_find_idev+0x102/0x170
[ 4814.990603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4814.990603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.990603][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.990603][   T10]      netlink_unicast+0x449/0x710
[ 4814.990603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.990603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.990603][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.990603][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.990603][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.990603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.990603][   T10] 
[ 4814.992303][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4814.992572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4814.992572][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4814.992572][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4814.992572][   T10]      fib6_nh_init+0xa22/0x1580
[ 4814.992572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.992572][   T10]      ip6_route_add+0x1c/0x140
[ 4814.992572][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4814.992572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.992572][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.992572][   T10]      netlink_unicast+0x449/0x710
[ 4814.992572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.992572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.992572][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.992572][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.992572][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.992572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.992572][   T10] 
[ 4814.994481][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4814.994481][   T10]      dst_init+0x84/0x4a0
[ 4814.994481][   T10]      dst_alloc+0x97/0x150
[ 4814.994481][   T10]      ip6_dst_alloc+0x23/0x90
[ 4814.994481][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4814.994481][   T10]      ip6_pol_route+0x56f/0x840
[ 4814.994481][   T10]      fib6_rule_lookup+0x456/0x630
[ 4814.994481][   T10]      ip6_route_input+0x59c/0xa50
[ 4814.994481][   T10]      ipv6_rcv+0x397/0x810
[ 4814.994481][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4814.994481][   T10]      process_backlog+0x101/0x620
[ 4814.994481][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4814.994481][   T10]      net_rx_action+0x495/0xbe0
[ 4814.994481][   T10]      __do_softirq+0x1b5/0x7f6
[ 4814.994481][   T10] 
[ 4814.996087][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4814.996087][   T10]      netdev_get_by_index+0x5e/0x80
[ 4814.996087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4814.996087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.996087][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4814.996087][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4814.996087][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4814.996087][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4814.996087][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4814.996087][   T10]      addrconf_dad_begin+0x310/0x670
[ 4814.996087][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4814.996087][   T10]      process_one_work+0x84d/0x18a0
[ 4814.996087][   T10]      worker_thread+0x587/0xd30
[ 4814.996087][   T10]      kthread+0x28a/0x350
[ 4814.996087][   T10]      ret_from_fork+0x31/0x70
[ 4814.996087][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4814.996087][   T10] 
[ 4814.997963][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4814.997963][   T10]      netdev_get_by_index+0x5e/0x80
[ 4814.997963][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4814.997963][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.997963][   T10]      ip6_route_add+0x1c/0x140
[ 4814.997963][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4814.997963][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4814.997963][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4814.997963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.997963][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.997963][   T10]      netlink_unicast+0x449/0x710
[ 4814.997963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.997963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.997963][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.997963][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.997963][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.997963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.997963][   T10] 
[ 4814.999931][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4814.999931][   T10]      netdev_get_by_index+0x5e/0x80
[ 4814.999931][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4814.999931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4814.999931][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4814.999931][   T10]      ipv6_add_addr+0x411/0x2000
[ 4814.999931][   T10]      inet6_addr_add+0x30e/0xa40
[ 4814.999931][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4814.999931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4814.999931][   T10]      netlink_rcv_skb+0x130/0x360
[ 4814.999931][   T10]      netlink_unicast+0x449/0x710
[ 4814.999931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4814.999931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4814.999931][   T10]      ___sys_sendmsg+0xee/0x170
[ 4814.999931][   T10]      __sys_sendmsg+0xcd/0x170
[ 4814.999931][   T10]      do_syscall_64+0xc6/0x1e0
[ 4814.999931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4814.999931][   T10] 
[ 4815.001927][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4815.001927][   T10]      netdev_get_by_index+0x5e/0x80
[ 4815.001927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4815.001927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4815.001927][   T10]      ip6_route_add+0x1c/0x140
[ 4815.001927][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4815.001927][   T10]      addrconf_add_dev+0xe2/0x170
[ 4815.001927][   T10]      inet6_addr_add+0x12f/0xa40
[ 4815.001927][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4815.001927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4815.001927][   T10]      netlink_rcv_skb+0x130/0x360
[ 4815.001927][   T10]      netlink_unicast+0x449/0x710
[ 4815.001927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4815.001927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4815.001927][   T10]      ___sys_sendmsg+0xee/0x170
[ 4815.001927][   T10]      __sys_sendmsg+0xcd/0x170
[ 4815.001927][   T10]      do_syscall_64+0xc6/0x1e0
[ 4815.001927][   T10] 
[ 4815.004059][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4815.004059][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4815.004059][   T10]      ipv6_find_idev+0x102/0x170
[ 4815.004059][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4815.004059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4815.004059][   T10]      netlink_rcv_skb+0x130/0x360
[ 4815.004059][   T10]      netlink_unicast+0x449/0x710
[ 4815.004059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4815.004059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4815.004059][   T10]      ___sys_sendmsg+0xee/0x170
[ 4815.004059][   T10]      __sys_sendmsg+0xcd/0x170
[ 4815.004059][   T10]      do_syscall_64+0xc6/0x1e0
[ 4815.004059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4815.004059][   T10] 
[ 4815.005800][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4815.005800][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4815.005800][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4815.005800][   T10]      ipv6_find_idev+0x102/0x170
[ 4815.005800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4815.005800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4815.005800][   T10]      netlink_rcv_skb+0x130/0x360
[ 4815.005800][   T10]      netlink_unicast+0x449/0x710
[ 4815.005800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4815.005800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4815.005800][   T10]      ___sys_sendmsg+0xee/0x170
[ 4815.005800][   T10]      __sys_sendmsg+0xcd/0x170
[ 4815.005800][   T10]      do_syscall_64+0xc6/0x1e0
[ 4815.005800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4815.005800][   T10] 
[ 4815.007763][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4815.008091][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4815.008091][   T10]      netdev_get_by_index+0x5e/0x80
[ 4815.008091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4815.008091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4815.008091][   T10]      ip6_route_add+0x1c/0x140
[ 4815.008091][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4815.008091][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4815.008091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4815.008091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4815.008091][   T10]      netlink_rcv_skb+0x130/0x360
[ 4815.008091][   T10]      netlink_unicast+0x449/0x710
[ 4815.008091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4815.008091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4815.008091][   T10]      ___sys_sendmsg+0xee/0x170
[ 4815.008091][   T10]      __sys_sendmsg+0xcd/0x170
[ 4815.008091][   T10]      do_syscall_64+0xc6/0x1e0
[ 4815.008091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4815.008091][   T10] 
[ 4815.010321][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4815.010321][   T10]      netdev_get_by_index+0x5e/0x80
[ 4815.010321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4815.010321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4815.010321][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4815.010321][   T10]      ipv6_add_addr+0x411/0x2000
[ 4815.010321][   T10]      inet6_addr_add+0x30e/0xa40
[ 4815.010321][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4815.010321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4815.010321][   T10]      netlink_rcv_skb+0x130/0x360
[ 4815.010321][   T10]      netlink_unicast+0x449/0x710
[ 4815.010321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4815.010321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4815.010321][   T10]      ___sys_sendmsg+0xee/0x170
[ 4815.010321][   T10]      __sys_sendmsg+0xcd/0x170
[ 4815.010321][   T10]      do_syscall_64+0xc6/0x1e0
[ 4815.010321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4815.010321][   T10] 
[ 4815.012532][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4815.012532][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4815.012532][   T10]      ipv6_find_idev+0x102/0x170
[ 4815.012532][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4815.012532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4815.012532][   T10]      netlink_rcv_skb+0x130/0x360
[ 4815.012532][   T10]      netlink_unicast+0x449/0x710
[ 4815.012532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4815.012532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4815.012532][   T10]      ___sys_sendmsg+0xee/0x170
[ 4815.012532][   T10]      __sys_sendmsg+0xcd/0x170
[ 4815.012532][   T10]      do_syscall_64+0xc6/0x1e0
[ 4815.012532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4815.012532][   T10] 
[ 4815.014320][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4815.014320][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4815.014320][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4815.014320][   T10]      ipv6_find_idev+0x102/0x170
[ 4815.014320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4815.014320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4815.014320][   T10]      netlink_rcv_skb+0x130/0x360
[ 4815.014320][   T10]      netlink_unicast+0x449/0x710
[ 4815.014320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4815.014320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4815.014320][   T10]      ___sys_sendmsg+0xee/0x170
[ 4815.014320][   T10]      __sys_sendmsg+0xcd/0x170
[ 4815.014320][   T10]      do_syscall_64+0xc6/0x1e0
[ 4815.014320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4815.014320][   T10] 
[ 4825.256808][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4825.257280][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.257280][   T10]      dst_init+0x84/0x4a0
[ 4825.257280][   T10]      dst_alloc+0x97/0x150
[ 4825.257280][   T10]      ip6_dst_alloc+0x23/0x90
[ 4825.257280][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4825.257280][   T10]      ip6_pol_route+0x56f/0x840
[ 4825.257280][   T10]      fib6_rule_lookup+0x456/0x630
[ 4825.257280][   T10]      ip6_route_input+0x59c/0xa50
[ 4825.257280][   T10]      ipv6_rcv+0x397/0x810
[ 4825.257280][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4825.257280][   T10]      process_backlog+0x101/0x620
[ 4825.257280][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4825.257280][   T10]      net_rx_action+0x495/0xbe0
[ 4825.257280][   T10]      __do_softirq+0x1b5/0x7f6
[ 4825.257280][   T10] 
[ 4825.259027][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.259027][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4825.259027][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4825.259027][   T10]      fib6_nh_init+0xa22/0x1580
[ 4825.259027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.259027][   T10]      ip6_route_add+0x1c/0x140
[ 4825.259027][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4825.259027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.259027][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.259027][   T10]      netlink_unicast+0x449/0x710
[ 4825.259027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.259027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.259027][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.259027][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.259027][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.259027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.259027][   T10] 
[ 4825.260972][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.260972][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.260972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.260972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.260972][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4825.260972][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4825.260972][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4825.260972][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4825.260972][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4825.260972][   T10]      addrconf_dad_begin+0x310/0x670
[ 4825.260972][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4825.260972][   T10]      process_one_work+0x84d/0x18a0
[ 4825.260972][   T10]      worker_thread+0x587/0xd30
[ 4825.260972][   T10]      kthread+0x28a/0x350
[ 4825.260972][   T10]      ret_from_fork+0x31/0x70
[ 4825.260972][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4825.260972][   T10] 
[ 4825.262938][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.262938][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.262938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.262938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.262938][   T10]      ip6_route_add+0x1c/0x140
[ 4825.262938][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4825.262938][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4825.262938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.262938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.262938][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.262938][   T10]      netlink_unicast+0x449/0x710
[ 4825.262938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.262938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.262938][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.262938][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.262938][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.262938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.262938][   T10] 
[ 4825.265004][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.265004][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.265004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.265004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.265004][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4825.265004][   T10]      ipv6_add_addr+0x411/0x2000
[ 4825.265004][   T10]      inet6_addr_add+0x30e/0xa40
[ 4825.265004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.265004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.265004][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.265004][   T10]      netlink_unicast+0x449/0x710
[ 4825.265004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.265004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.265004][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.265004][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.265004][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.265004][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.265004][   T10] 
[ 4825.267031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.267031][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.267031][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.267031][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.267031][   T10]      ip6_route_add+0x1c/0x140
[ 4825.267031][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4825.267031][   T10]      addrconf_add_dev+0xe2/0x170
[ 4825.267031][   T10]      inet6_addr_add+0x12f/0xa40
[ 4825.267031][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.267031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.267031][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.267031][   T10]      netlink_unicast+0x449/0x710
[ 4825.267031][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.267031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.267031][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.267031][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.267031][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.267031][   T10] 
[ 4825.269027][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.269027][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4825.269027][   T10]      ipv6_find_idev+0x102/0x170
[ 4825.269027][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4825.269027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.269027][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.269027][   T10]      netlink_unicast+0x449/0x710
[ 4825.269027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.269027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.269027][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.269027][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.269027][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.269027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.269027][   T10] 
[ 4825.270593][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4825.270593][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4825.270593][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4825.270593][   T10]      ipv6_find_idev+0x102/0x170
[ 4825.270593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4825.270593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.270593][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.270593][   T10]      netlink_unicast+0x449/0x710
[ 4825.270593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.270593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.270593][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.270593][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.270593][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.270593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.270593][   T10] 
[ 4825.272330][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4825.272577][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.272577][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4825.272577][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4825.272577][   T10]      fib6_nh_init+0xa22/0x1580
[ 4825.272577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.272577][   T10]      ip6_route_add+0x1c/0x140
[ 4825.272577][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4825.272577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.272577][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.272577][   T10]      netlink_unicast+0x449/0x710
[ 4825.272577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.272577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.272577][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.272577][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.272577][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.272577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.272577][   T10] 
[ 4825.274528][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.274528][   T10]      dst_init+0x84/0x4a0
[ 4825.274528][   T10]      dst_alloc+0x97/0x150
[ 4825.274528][   T10]      ip6_dst_alloc+0x23/0x90
[ 4825.274528][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4825.274528][   T10]      ip6_pol_route+0x56f/0x840
[ 4825.274528][   T10]      fib6_rule_lookup+0x456/0x630
[ 4825.274528][   T10]      ip6_route_input+0x59c/0xa50
[ 4825.274528][   T10]      ipv6_rcv+0x397/0x810
[ 4825.274528][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4825.274528][   T10]      process_backlog+0x101/0x620
[ 4825.274528][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4825.274528][   T10]      net_rx_action+0x495/0xbe0
[ 4825.274528][   T10]      __do_softirq+0x1b5/0x7f6
[ 4825.274528][   T10] 
[ 4825.276199][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.276199][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.276199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.276199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.276199][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4825.276199][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4825.276199][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4825.276199][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4825.276199][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4825.276199][   T10]      addrconf_dad_begin+0x310/0x670
[ 4825.276199][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4825.276199][   T10]      process_one_work+0x84d/0x18a0
[ 4825.276199][   T10]      worker_thread+0x587/0xd30
[ 4825.276199][   T10]      kthread+0x28a/0x350
[ 4825.276199][   T10]      ret_from_fork+0x31/0x70
[ 4825.276199][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4825.276199][   T10] 
[ 4825.278110][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.278110][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.278110][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.278110][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.278110][   T10]      ip6_route_add+0x1c/0x140
[ 4825.278110][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4825.278110][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4825.278110][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.278110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.278110][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.278110][   T10]      netlink_unicast+0x449/0x710
[ 4825.278110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.278110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.278110][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.278110][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.278110][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.278110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.278110][   T10] 
[ 4825.280135][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.280135][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.280135][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.280135][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.280135][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4825.280135][   T10]      ipv6_add_addr+0x411/0x2000
[ 4825.280135][   T10]      inet6_addr_add+0x30e/0xa40
[ 4825.280135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.280135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.280135][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.280135][   T10]      netlink_unicast+0x449/0x710
[ 4825.280135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.280135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.280135][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.280135][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.280135][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.280135][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.280135][   T10] 
[ 4825.282204][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.282204][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.282204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.282204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.282204][   T10]      ip6_route_add+0x1c/0x140
[ 4825.282204][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4825.282204][   T10]      addrconf_add_dev+0xe2/0x170
[ 4825.282204][   T10]      inet6_addr_add+0x12f/0xa40
[ 4825.282204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.282204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.282204][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.282204][   T10]      netlink_unicast+0x449/0x710
[ 4825.282204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.282204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.282204][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.282204][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.282204][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.282204][   T10] 
[ 4825.284333][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.284333][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4825.284333][   T10]      ipv6_find_idev+0x102/0x170
[ 4825.284333][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4825.284333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.284333][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.284333][   T10]      netlink_unicast+0x449/0x710
[ 4825.284333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.284333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.284333][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.284333][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.284333][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.284333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.284333][   T10] 
[ 4825.286160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4825.286160][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4825.286160][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4825.286160][   T10]      ipv6_find_idev+0x102/0x170
[ 4825.286160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4825.286160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.286160][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.286160][   T10]      netlink_unicast+0x449/0x710
[ 4825.286160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.286160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.286160][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.286160][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.286160][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.286160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.286160][   T10] 
[ 4825.288064][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4825.288391][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4825.288391][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.288391][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.288391][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.288391][   T10]      ip6_route_add+0x1c/0x140
[ 4825.288391][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4825.288391][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4825.288391][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.288391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.288391][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.288391][   T10]      netlink_unicast+0x449/0x710
[ 4825.288391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.288391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.288391][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.288391][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.288391][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.288391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.288391][   T10] 
[ 4825.290612][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4825.290612][   T10]      netdev_get_by_index+0x5e/0x80
[ 4825.290612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4825.290612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4825.290612][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4825.290612][   T10]      ipv6_add_addr+0x411/0x2000
[ 4825.290612][   T10]      inet6_addr_add+0x30e/0xa40
[ 4825.290612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4825.290612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.290612][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.290612][   T10]      netlink_unicast+0x449/0x710
[ 4825.290612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.290612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.290612][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.290612][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.290612][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.290612][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.290612][   T10] 
[ 4825.292817][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4825.292817][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4825.292817][   T10]      ipv6_find_idev+0x102/0x170
[ 4825.292817][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4825.292817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.292817][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.292817][   T10]      netlink_unicast+0x449/0x710
[ 4825.292817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.292817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.292817][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.292817][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.292817][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.292817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.292817][   T10] 
[ 4825.294587][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4825.294587][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4825.294587][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4825.294587][   T10]      ipv6_find_idev+0x102/0x170
[ 4825.294587][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4825.294587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4825.294587][   T10]      netlink_rcv_skb+0x130/0x360
[ 4825.294587][   T10]      netlink_unicast+0x449/0x710
[ 4825.294587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4825.294587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4825.294587][   T10]      ___sys_sendmsg+0xee/0x170
[ 4825.294587][   T10]      __sys_sendmsg+0xcd/0x170
[ 4825.294587][   T10]      do_syscall_64+0xc6/0x1e0
[ 4825.294587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4825.294587][   T10] 
[ 4835.536756][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4835.537197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.537197][   T10]      dst_init+0x84/0x4a0
[ 4835.537197][   T10]      dst_alloc+0x97/0x150
[ 4835.537197][   T10]      ip6_dst_alloc+0x23/0x90
[ 4835.537197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4835.537197][   T10]      ip6_pol_route+0x56f/0x840
[ 4835.537197][   T10]      fib6_rule_lookup+0x456/0x630
[ 4835.537197][   T10]      ip6_route_input+0x59c/0xa50
[ 4835.537197][   T10]      ipv6_rcv+0x397/0x810
[ 4835.537197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4835.537197][   T10]      process_backlog+0x101/0x620
[ 4835.537197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4835.537197][   T10]      net_rx_action+0x495/0xbe0
[ 4835.537197][   T10]      __do_softirq+0x1b5/0x7f6
[ 4835.537197][   T10] 
[ 4835.539028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.539028][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4835.539028][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4835.539028][   T10]      fib6_nh_init+0xa22/0x1580
[ 4835.539028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.539028][   T10]      ip6_route_add+0x1c/0x140
[ 4835.539028][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4835.539028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.539028][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.539028][   T10]      netlink_unicast+0x449/0x710
[ 4835.539028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.539028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.539028][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.539028][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.539028][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.539028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.539028][   T10] 
[ 4835.540947][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.540947][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.540947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.540947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.540947][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4835.540947][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4835.540947][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4835.540947][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4835.540947][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4835.540947][   T10]      addrconf_dad_begin+0x310/0x670
[ 4835.540947][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4835.540947][   T10]      process_one_work+0x84d/0x18a0
[ 4835.540947][   T10]      worker_thread+0x587/0xd30
[ 4835.540947][   T10]      kthread+0x28a/0x350
[ 4835.540947][   T10]      ret_from_fork+0x31/0x70
[ 4835.540947][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4835.540947][   T10] 
[ 4835.542883][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.542883][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.542883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.542883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.542883][   T10]      ip6_route_add+0x1c/0x140
[ 4835.542883][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4835.542883][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4835.542883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.542883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.542883][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.542883][   T10]      netlink_unicast+0x449/0x710
[ 4835.542883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.542883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.542883][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.542883][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.542883][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.542883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.542883][   T10] 
[ 4835.544922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.544922][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.544922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.544922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.544922][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4835.544922][   T10]      ipv6_add_addr+0x411/0x2000
[ 4835.544922][   T10]      inet6_addr_add+0x30e/0xa40
[ 4835.544922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.544922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.544922][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.544922][   T10]      netlink_unicast+0x449/0x710
[ 4835.544922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.544922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.544922][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.544922][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.544922][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.544922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.544922][   T10] 
[ 4835.546948][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.546948][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.546948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.546948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.546948][   T10]      ip6_route_add+0x1c/0x140
[ 4835.546948][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4835.546948][   T10]      addrconf_add_dev+0xe2/0x170
[ 4835.546948][   T10]      inet6_addr_add+0x12f/0xa40
[ 4835.546948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.546948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.546948][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.546948][   T10]      netlink_unicast+0x449/0x710
[ 4835.546948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.546948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.546948][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.546948][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.546948][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.546948][   T10] 
[ 4835.548931][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.548931][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4835.548931][   T10]      ipv6_find_idev+0x102/0x170
[ 4835.548931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4835.548931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.548931][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.548931][   T10]      netlink_unicast+0x449/0x710
[ 4835.548931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.548931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.548931][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.548931][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.548931][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.548931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.548931][   T10] 
[ 4835.550496][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4835.550496][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4835.550496][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4835.550496][   T10]      ipv6_find_idev+0x102/0x170
[ 4835.550496][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4835.550496][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.550496][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.550496][   T10]      netlink_unicast+0x449/0x710
[ 4835.550496][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.550496][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.550496][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.550496][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.550496][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.550496][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.550496][   T10] 
[ 4835.552223][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4835.552466][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.552466][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4835.552466][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4835.552466][   T10]      fib6_nh_init+0xa22/0x1580
[ 4835.552466][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.552466][   T10]      ip6_route_add+0x1c/0x140
[ 4835.552466][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4835.552466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.552466][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.552466][   T10]      netlink_unicast+0x449/0x710
[ 4835.552466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.552466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.552466][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.552466][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.552466][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.552466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.552466][   T10] 
[ 4835.554363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.554363][   T10]      dst_init+0x84/0x4a0
[ 4835.554363][   T10]      dst_alloc+0x97/0x150
[ 4835.554363][   T10]      ip6_dst_alloc+0x23/0x90
[ 4835.554363][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4835.554363][   T10]      ip6_pol_route+0x56f/0x840
[ 4835.554363][   T10]      fib6_rule_lookup+0x456/0x630
[ 4835.554363][   T10]      ip6_route_input+0x59c/0xa50
[ 4835.554363][   T10]      ipv6_rcv+0x397/0x810
[ 4835.554363][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4835.554363][   T10]      process_backlog+0x101/0x620
[ 4835.554363][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4835.554363][   T10]      net_rx_action+0x495/0xbe0
[ 4835.554363][   T10]      __do_softirq+0x1b5/0x7f6
[ 4835.554363][   T10] 
[ 4835.556018][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.556018][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.556018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.556018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.556018][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4835.556018][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4835.556018][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4835.556018][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4835.556018][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4835.556018][   T10]      addrconf_dad_begin+0x310/0x670
[ 4835.556018][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4835.556018][   T10]      process_one_work+0x84d/0x18a0
[ 4835.556018][   T10]      worker_thread+0x587/0xd30
[ 4835.556018][   T10]      kthread+0x28a/0x350
[ 4835.556018][   T10]      ret_from_fork+0x31/0x70
[ 4835.556018][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4835.556018][   T10] 
[ 4835.557948][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.557948][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.557948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.557948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.557948][   T10]      ip6_route_add+0x1c/0x140
[ 4835.557948][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4835.557948][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4835.557948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.557948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.557948][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.557948][   T10]      netlink_unicast+0x449/0x710
[ 4835.557948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.557948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.557948][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.557948][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.557948][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.557948][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.557948][   T10] 
[ 4835.559991][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.559991][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.559991][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.559991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.559991][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4835.559991][   T10]      ipv6_add_addr+0x411/0x2000
[ 4835.559991][   T10]      inet6_addr_add+0x30e/0xa40
[ 4835.559991][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.559991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.559991][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.559991][   T10]      netlink_unicast+0x449/0x710
[ 4835.559991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.559991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.559991][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.559991][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.559991][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.559991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.559991][   T10] 
[ 4835.562010][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.562010][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.562010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.562010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.562010][   T10]      ip6_route_add+0x1c/0x140
[ 4835.562010][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4835.562010][   T10]      addrconf_add_dev+0xe2/0x170
[ 4835.562010][   T10]      inet6_addr_add+0x12f/0xa40
[ 4835.562010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.562010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.562010][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.562010][   T10]      netlink_unicast+0x449/0x710
[ 4835.562010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.562010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.562010][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.562010][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.562010][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.562010][   T10] 
[ 4835.564190][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.564190][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4835.564190][   T10]      ipv6_find_idev+0x102/0x170
[ 4835.564190][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4835.564190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.564190][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.564190][   T10]      netlink_unicast+0x449/0x710
[ 4835.564190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.564190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.564190][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.564190][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.564190][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.564190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.564190][   T10] 
[ 4835.565928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4835.565928][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4835.565928][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4835.565928][   T10]      ipv6_find_idev+0x102/0x170
[ 4835.565928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4835.565928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.565928][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.565928][   T10]      netlink_unicast+0x449/0x710
[ 4835.565928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.565928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.565928][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.565928][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.565928][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.565928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.565928][   T10] 
[ 4835.567868][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4835.568106][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4835.568106][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.568106][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.568106][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.568106][   T10]      ip6_route_add+0x1c/0x140
[ 4835.568106][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4835.568106][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4835.568106][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.568106][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.568106][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.568106][   T10]      netlink_unicast+0x449/0x710
[ 4835.568106][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.568106][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.568106][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.568106][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.568106][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.568106][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.568106][   T10] 
[ 4835.570372][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4835.570372][   T10]      netdev_get_by_index+0x5e/0x80
[ 4835.570372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4835.570372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4835.570372][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4835.570372][   T10]      ipv6_add_addr+0x411/0x2000
[ 4835.570372][   T10]      inet6_addr_add+0x30e/0xa40
[ 4835.570372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4835.570372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.570372][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.570372][   T10]      netlink_unicast+0x449/0x710
[ 4835.570372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.570372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.570372][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.570372][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.570372][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.570372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.570372][   T10] 
[ 4835.572640][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4835.572640][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4835.572640][   T10]      ipv6_find_idev+0x102/0x170
[ 4835.572640][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4835.572640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.572640][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.572640][   T10]      netlink_unicast+0x449/0x710
[ 4835.572640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.572640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.572640][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.572640][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.572640][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.572640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.572640][   T10] 
[ 4835.574374][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4835.574374][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4835.574374][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4835.574374][   T10]      ipv6_find_idev+0x102/0x170
[ 4835.574374][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4835.574374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4835.574374][   T10]      netlink_rcv_skb+0x130/0x360
[ 4835.574374][   T10]      netlink_unicast+0x449/0x710
[ 4835.574374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4835.574374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4835.574374][   T10]      ___sys_sendmsg+0xee/0x170
[ 4835.574374][   T10]      __sys_sendmsg+0xcd/0x170
[ 4835.574374][   T10]      do_syscall_64+0xc6/0x1e0
[ 4835.574374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4835.574374][   T10] 
[ 4845.816755][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4845.817214][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.817214][   T10]      dst_init+0x84/0x4a0
[ 4845.817214][   T10]      dst_alloc+0x97/0x150
[ 4845.817214][   T10]      ip6_dst_alloc+0x23/0x90
[ 4845.817214][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4845.817214][   T10]      ip6_pol_route+0x56f/0x840
[ 4845.817214][   T10]      fib6_rule_lookup+0x456/0x630
[ 4845.817214][   T10]      ip6_route_input+0x59c/0xa50
[ 4845.817214][   T10]      ipv6_rcv+0x397/0x810
[ 4845.817214][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4845.817214][   T10]      process_backlog+0x101/0x620
[ 4845.817214][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4845.817214][   T10]      net_rx_action+0x495/0xbe0
[ 4845.817214][   T10]      __do_softirq+0x1b5/0x7f6
[ 4845.817214][   T10] 
[ 4845.818906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.818906][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4845.818906][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4845.818906][   T10]      fib6_nh_init+0xa22/0x1580
[ 4845.818906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.818906][   T10]      ip6_route_add+0x1c/0x140
[ 4845.818906][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4845.818906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.818906][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.818906][   T10]      netlink_unicast+0x449/0x710
[ 4845.818906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.818906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.818906][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.818906][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.818906][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.818906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.818906][   T10] 
[ 4845.820823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.820823][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.820823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.820823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.820823][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4845.820823][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4845.820823][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4845.820823][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4845.820823][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4845.820823][   T10]      addrconf_dad_begin+0x310/0x670
[ 4845.820823][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4845.820823][   T10]      process_one_work+0x84d/0x18a0
[ 4845.820823][   T10]      worker_thread+0x587/0xd30
[ 4845.820823][   T10]      kthread+0x28a/0x350
[ 4845.820823][   T10]      ret_from_fork+0x31/0x70
[ 4845.820823][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4845.820823][   T10] 
[ 4845.822775][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.822775][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.822775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.822775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.822775][   T10]      ip6_route_add+0x1c/0x140
[ 4845.822775][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4845.822775][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4845.822775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.822775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.822775][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.822775][   T10]      netlink_unicast+0x449/0x710
[ 4845.822775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.822775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.822775][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.822775][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.822775][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.822775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.822775][   T10] 
[ 4845.824826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.824826][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.824826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.824826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.824826][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4845.824826][   T10]      ipv6_add_addr+0x411/0x2000
[ 4845.824826][   T10]      inet6_addr_add+0x30e/0xa40
[ 4845.824826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.824826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.824826][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.824826][   T10]      netlink_unicast+0x449/0x710
[ 4845.824826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.824826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.824826][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.824826][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.824826][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.824826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.824826][   T10] 
[ 4845.826859][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.826859][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.826859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.826859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.826859][   T10]      ip6_route_add+0x1c/0x140
[ 4845.826859][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4845.826859][   T10]      addrconf_add_dev+0xe2/0x170
[ 4845.826859][   T10]      inet6_addr_add+0x12f/0xa40
[ 4845.826859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.826859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.826859][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.826859][   T10]      netlink_unicast+0x449/0x710
[ 4845.826859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.826859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.826859][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.826859][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.826859][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.826859][   T10] 
[ 4845.828841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.828841][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4845.828841][   T10]      ipv6_find_idev+0x102/0x170
[ 4845.828841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4845.828841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.828841][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.828841][   T10]      netlink_unicast+0x449/0x710
[ 4845.828841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.828841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.828841][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.828841][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.828841][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.828841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.828841][   T10] 
[ 4845.830402][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4845.830402][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4845.830402][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4845.830402][   T10]      ipv6_find_idev+0x102/0x170
[ 4845.830402][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4845.830402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.830402][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.830402][   T10]      netlink_unicast+0x449/0x710
[ 4845.830402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.830402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.830402][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.830402][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.830402][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.830402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.830402][   T10] 
[ 4845.832128][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4845.832372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.832372][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4845.832372][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4845.832372][   T10]      fib6_nh_init+0xa22/0x1580
[ 4845.832372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.832372][   T10]      ip6_route_add+0x1c/0x140
[ 4845.832372][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4845.832372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.832372][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.832372][   T10]      netlink_unicast+0x449/0x710
[ 4845.832372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.832372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.832372][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.832372][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.832372][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.832372][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.832372][   T10] 
[ 4845.834278][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.834278][   T10]      dst_init+0x84/0x4a0
[ 4845.834278][   T10]      dst_alloc+0x97/0x150
[ 4845.834278][   T10]      ip6_dst_alloc+0x23/0x90
[ 4845.834278][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4845.834278][   T10]      ip6_pol_route+0x56f/0x840
[ 4845.834278][   T10]      fib6_rule_lookup+0x456/0x630
[ 4845.834278][   T10]      ip6_route_input+0x59c/0xa50
[ 4845.834278][   T10]      ipv6_rcv+0x397/0x810
[ 4845.834278][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4845.834278][   T10]      process_backlog+0x101/0x620
[ 4845.834278][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4845.834278][   T10]      net_rx_action+0x495/0xbe0
[ 4845.834278][   T10]      __do_softirq+0x1b5/0x7f6
[ 4845.834278][   T10] 
[ 4845.835940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.835940][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.835940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.835940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.835940][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4845.835940][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4845.835940][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4845.835940][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4845.835940][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4845.835940][   T10]      addrconf_dad_begin+0x310/0x670
[ 4845.835940][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4845.835940][   T10]      process_one_work+0x84d/0x18a0
[ 4845.835940][   T10]      worker_thread+0x587/0xd30
[ 4845.835940][   T10]      kthread+0x28a/0x350
[ 4845.835940][   T10]      ret_from_fork+0x31/0x70
[ 4845.835940][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4845.835940][   T10] 
[ 4845.837879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.837879][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.837879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.837879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.837879][   T10]      ip6_route_add+0x1c/0x140
[ 4845.837879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4845.837879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4845.837879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.837879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.837879][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.837879][   T10]      netlink_unicast+0x449/0x710
[ 4845.837879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.837879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.837879][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.837879][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.837879][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.837879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.837879][   T10] 
[ 4845.839907][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.839907][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.839907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.839907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.839907][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4845.839907][   T10]      ipv6_add_addr+0x411/0x2000
[ 4845.839907][   T10]      inet6_addr_add+0x30e/0xa40
[ 4845.839907][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.839907][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.839907][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.839907][   T10]      netlink_unicast+0x449/0x710
[ 4845.839907][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.839907][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.839907][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.839907][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.839907][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.839907][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.839907][   T10] 
[ 4845.841941][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.841941][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.841941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.841941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.841941][   T10]      ip6_route_add+0x1c/0x140
[ 4845.841941][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4845.841941][   T10]      addrconf_add_dev+0xe2/0x170
[ 4845.841941][   T10]      inet6_addr_add+0x12f/0xa40
[ 4845.841941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.841941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.841941][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.841941][   T10]      netlink_unicast+0x449/0x710
[ 4845.841941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.841941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.841941][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.841941][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.841941][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.841941][   T10] 
[ 4845.844248][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.844248][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4845.844248][   T10]      ipv6_find_idev+0x102/0x170
[ 4845.844248][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4845.844248][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.844248][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.844248][   T10]      netlink_unicast+0x449/0x710
[ 4845.844248][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.844248][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.844248][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.844248][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.844248][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.844248][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.844248][   T10] 
[ 4845.846048][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4845.846048][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4845.846048][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4845.846048][   T10]      ipv6_find_idev+0x102/0x170
[ 4845.846048][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4845.846048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.846048][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.846048][   T10]      netlink_unicast+0x449/0x710
[ 4845.846048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.846048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.846048][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.846048][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.846048][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.846048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.846048][   T10] 
[ 4845.847958][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4845.848198][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4845.848198][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.848198][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.848198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.848198][   T10]      ip6_route_add+0x1c/0x140
[ 4845.848198][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4845.848198][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4845.848198][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.848198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.848198][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.848198][   T10]      netlink_unicast+0x449/0x710
[ 4845.848198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.848198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.848198][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.848198][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.848198][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.848198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.848198][   T10] 
[ 4845.850471][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4845.850471][   T10]      netdev_get_by_index+0x5e/0x80
[ 4845.850471][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4845.850471][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4845.850471][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4845.850471][   T10]      ipv6_add_addr+0x411/0x2000
[ 4845.850471][   T10]      inet6_addr_add+0x30e/0xa40
[ 4845.850471][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4845.850471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.850471][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.850471][   T10]      netlink_unicast+0x449/0x710
[ 4845.850471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.850471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.850471][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.850471][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.850471][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.850471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.850471][   T10] 
[ 4845.852726][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4845.852726][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4845.852726][   T10]      ipv6_find_idev+0x102/0x170
[ 4845.852726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4845.852726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.852726][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.852726][   T10]      netlink_unicast+0x449/0x710
[ 4845.852726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.852726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.852726][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.852726][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.852726][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.852726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.852726][   T10] 
[ 4845.854540][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4845.854540][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4845.854540][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4845.854540][   T10]      ipv6_find_idev+0x102/0x170
[ 4845.854540][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4845.854540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4845.854540][   T10]      netlink_rcv_skb+0x130/0x360
[ 4845.854540][   T10]      netlink_unicast+0x449/0x710
[ 4845.854540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4845.854540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4845.854540][   T10]      ___sys_sendmsg+0xee/0x170
[ 4845.854540][   T10]      __sys_sendmsg+0xcd/0x170
[ 4845.854540][   T10]      do_syscall_64+0xc6/0x1e0
[ 4845.854540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4845.854540][   T10] 
[ 4856.096691][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4856.097064][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.097064][   T10]      dst_init+0x84/0x4a0
[ 4856.097064][   T10]      dst_alloc+0x97/0x150
[ 4856.097064][   T10]      ip6_dst_alloc+0x23/0x90
[ 4856.097064][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4856.097064][   T10]      ip6_pol_route+0x56f/0x840
[ 4856.097064][   T10]      fib6_rule_lookup+0x456/0x630
[ 4856.097064][   T10]      ip6_route_input+0x59c/0xa50
[ 4856.097064][   T10]      ipv6_rcv+0x397/0x810
[ 4856.097064][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4856.097064][   T10]      process_backlog+0x101/0x620
[ 4856.097064][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4856.097064][   T10]      net_rx_action+0x495/0xbe0
[ 4856.097064][   T10]      __do_softirq+0x1b5/0x7f6
[ 4856.097064][   T10] 
[ 4856.098867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.098867][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4856.098867][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4856.098867][   T10]      fib6_nh_init+0xa22/0x1580
[ 4856.098867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.098867][   T10]      ip6_route_add+0x1c/0x140
[ 4856.098867][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4856.098867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.098867][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.098867][   T10]      netlink_unicast+0x449/0x710
[ 4856.098867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.098867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.098867][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.098867][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.098867][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.098867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.098867][   T10] 
[ 4856.100820][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.100820][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.100820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.100820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.100820][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4856.100820][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4856.100820][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4856.100820][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4856.100820][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4856.100820][   T10]      addrconf_dad_begin+0x310/0x670
[ 4856.100820][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4856.100820][   T10]      process_one_work+0x84d/0x18a0
[ 4856.100820][   T10]      worker_thread+0x587/0xd30
[ 4856.100820][   T10]      kthread+0x28a/0x350
[ 4856.100820][   T10]      ret_from_fork+0x31/0x70
[ 4856.100820][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4856.100820][   T10] 
[ 4856.102766][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.102766][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.102766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.102766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.102766][   T10]      ip6_route_add+0x1c/0x140
[ 4856.102766][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4856.102766][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4856.102766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.102766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.102766][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.102766][   T10]      netlink_unicast+0x449/0x710
[ 4856.102766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.102766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.102766][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.102766][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.102766][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.102766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.102766][   T10] 
[ 4856.104821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.104821][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.104821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.104821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.104821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4856.104821][   T10]      ipv6_add_addr+0x411/0x2000
[ 4856.104821][   T10]      inet6_addr_add+0x30e/0xa40
[ 4856.104821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.104821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.104821][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.104821][   T10]      netlink_unicast+0x449/0x710
[ 4856.104821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.104821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.104821][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.104821][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.104821][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.104821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.104821][   T10] 
[ 4856.106851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.106851][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.106851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.106851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.106851][   T10]      ip6_route_add+0x1c/0x140
[ 4856.106851][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4856.106851][   T10]      addrconf_add_dev+0xe2/0x170
[ 4856.106851][   T10]      inet6_addr_add+0x12f/0xa40
[ 4856.106851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.106851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.106851][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.106851][   T10]      netlink_unicast+0x449/0x710
[ 4856.106851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.106851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.106851][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.106851][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.106851][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.106851][   T10] 
[ 4856.108874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.108874][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4856.108874][   T10]      ipv6_find_idev+0x102/0x170
[ 4856.108874][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4856.108874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.108874][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.108874][   T10]      netlink_unicast+0x449/0x710
[ 4856.108874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.108874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.108874][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.108874][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.108874][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.108874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.108874][   T10] 
[ 4856.110450][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4856.110450][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4856.110450][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4856.110450][   T10]      ipv6_find_idev+0x102/0x170
[ 4856.110450][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4856.110450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.110450][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.110450][   T10]      netlink_unicast+0x449/0x710
[ 4856.110450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.110450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.110450][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.110450][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.110450][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.110450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.110450][   T10] 
[ 4856.112215][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4856.112465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.112465][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4856.112465][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4856.112465][   T10]      fib6_nh_init+0xa22/0x1580
[ 4856.112465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.112465][   T10]      ip6_route_add+0x1c/0x140
[ 4856.112465][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4856.112465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.112465][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.112465][   T10]      netlink_unicast+0x449/0x710
[ 4856.112465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.112465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.112465][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.112465][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.112465][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.112465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.112465][   T10] 
[ 4856.114378][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.114378][   T10]      dst_init+0x84/0x4a0
[ 4856.114378][   T10]      dst_alloc+0x97/0x150
[ 4856.114378][   T10]      ip6_dst_alloc+0x23/0x90
[ 4856.114378][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4856.114378][   T10]      ip6_pol_route+0x56f/0x840
[ 4856.114378][   T10]      fib6_rule_lookup+0x456/0x630
[ 4856.114378][   T10]      ip6_route_input+0x59c/0xa50
[ 4856.114378][   T10]      ipv6_rcv+0x397/0x810
[ 4856.114378][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4856.114378][   T10]      process_backlog+0x101/0x620
[ 4856.114378][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4856.114378][   T10]      net_rx_action+0x495/0xbe0
[ 4856.114378][   T10]      __do_softirq+0x1b5/0x7f6
[ 4856.114378][   T10] 
[ 4856.116039][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.116039][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.116039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.116039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.116039][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4856.116039][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4856.116039][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4856.116039][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4856.116039][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4856.116039][   T10]      addrconf_dad_begin+0x310/0x670
[ 4856.116039][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4856.116039][   T10]      process_one_work+0x84d/0x18a0
[ 4856.116039][   T10]      worker_thread+0x587/0xd30
[ 4856.116039][   T10]      kthread+0x28a/0x350
[ 4856.116039][   T10]      ret_from_fork+0x31/0x70
[ 4856.116039][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4856.116039][   T10] 
[ 4856.117970][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.117970][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.117970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.117970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.117970][   T10]      ip6_route_add+0x1c/0x140
[ 4856.117970][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4856.117970][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4856.117970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.117970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.117970][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.117970][   T10]      netlink_unicast+0x449/0x710
[ 4856.117970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.117970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.117970][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.117970][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.117970][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.117970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.117970][   T10] 
[ 4856.119995][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.119995][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.119995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.119995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.119995][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4856.119995][   T10]      ipv6_add_addr+0x411/0x2000
[ 4856.119995][   T10]      inet6_addr_add+0x30e/0xa40
[ 4856.119995][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.119995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.119995][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.119995][   T10]      netlink_unicast+0x449/0x710
[ 4856.119995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.119995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.119995][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.119995][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.119995][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.119995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.119995][   T10] 
[ 4856.122022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.122022][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.122022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.122022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.122022][   T10]      ip6_route_add+0x1c/0x140
[ 4856.122022][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4856.122022][   T10]      addrconf_add_dev+0xe2/0x170
[ 4856.122022][   T10]      inet6_addr_add+0x12f/0xa40
[ 4856.122022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.122022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.122022][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.122022][   T10]      netlink_unicast+0x449/0x710
[ 4856.122022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.122022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.122022][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.122022][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.122022][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.122022][   T10] 
[ 4856.124216][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.124216][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4856.124216][   T10]      ipv6_find_idev+0x102/0x170
[ 4856.124216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4856.124216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.124216][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.124216][   T10]      netlink_unicast+0x449/0x710
[ 4856.124216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.124216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.124216][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.124216][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.124216][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.124216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.124216][   T10] 
[ 4856.125963][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4856.125963][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4856.125963][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4856.125963][   T10]      ipv6_find_idev+0x102/0x170
[ 4856.125963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4856.125963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.125963][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.125963][   T10]      netlink_unicast+0x449/0x710
[ 4856.125963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.125963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.125963][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.125963][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.125963][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.125963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.125963][   T10] 
[ 4856.127934][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4856.128187][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4856.128187][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.128187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.128187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.128187][   T10]      ip6_route_add+0x1c/0x140
[ 4856.128187][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4856.128187][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4856.128187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.128187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.128187][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.128187][   T10]      netlink_unicast+0x449/0x710
[ 4856.128187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.128187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.128187][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.128187][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.128187][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.128187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.128187][   T10] 
[ 4856.130451][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4856.130451][   T10]      netdev_get_by_index+0x5e/0x80
[ 4856.130451][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4856.130451][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4856.130451][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4856.130451][   T10]      ipv6_add_addr+0x411/0x2000
[ 4856.130451][   T10]      inet6_addr_add+0x30e/0xa40
[ 4856.130451][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4856.130451][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.130451][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.130451][   T10]      netlink_unicast+0x449/0x710
[ 4856.130451][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.130451][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.130451][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.130451][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.130451][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.130451][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.130451][   T10] 
[ 4856.132663][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4856.132663][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4856.132663][   T10]      ipv6_find_idev+0x102/0x170
[ 4856.132663][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4856.132663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.132663][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.132663][   T10]      netlink_unicast+0x449/0x710
[ 4856.132663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.132663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.132663][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.132663][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.132663][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.132663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.132663][   T10] 
[ 4856.134386][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4856.134386][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4856.134386][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4856.134386][   T10]      ipv6_find_idev+0x102/0x170
[ 4856.134386][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4856.134386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4856.134386][   T10]      netlink_rcv_skb+0x130/0x360
[ 4856.134386][   T10]      netlink_unicast+0x449/0x710
[ 4856.134386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4856.134386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4856.134386][   T10]      ___sys_sendmsg+0xee/0x170
[ 4856.134386][   T10]      __sys_sendmsg+0xcd/0x170
[ 4856.134386][   T10]      do_syscall_64+0xc6/0x1e0
[ 4856.134386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4856.134386][   T10] 
[ 4866.376677][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4866.377158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.377158][   T10]      dst_init+0x84/0x4a0
[ 4866.377158][   T10]      dst_alloc+0x97/0x150
[ 4866.377158][   T10]      ip6_dst_alloc+0x23/0x90
[ 4866.377158][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4866.377158][   T10]      ip6_pol_route+0x56f/0x840
[ 4866.377158][   T10]      fib6_rule_lookup+0x456/0x630
[ 4866.377158][   T10]      ip6_route_input+0x59c/0xa50
[ 4866.377158][   T10]      ipv6_rcv+0x397/0x810
[ 4866.377158][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4866.377158][   T10]      process_backlog+0x101/0x620
[ 4866.377158][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4866.377158][   T10]      net_rx_action+0x495/0xbe0
[ 4866.377158][   T10]      __do_softirq+0x1b5/0x7f6
[ 4866.377158][   T10] 
[ 4866.379033][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.379033][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4866.379033][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4866.379033][   T10]      fib6_nh_init+0xa22/0x1580
[ 4866.379033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.379033][   T10]      ip6_route_add+0x1c/0x140
[ 4866.379033][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4866.379033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.379033][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.379033][   T10]      netlink_unicast+0x449/0x710
[ 4866.379033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.379033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.379033][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.379033][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.379033][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.379033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.379033][   T10] 
[ 4866.381149][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.381149][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.381149][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.381149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.381149][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4866.381149][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4866.381149][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4866.381149][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4866.381149][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4866.381149][   T10]      addrconf_dad_begin+0x310/0x670
[ 4866.381149][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4866.381149][   T10]      process_one_work+0x84d/0x18a0
[ 4866.381149][   T10]      worker_thread+0x587/0xd30
[ 4866.381149][   T10]      kthread+0x28a/0x350
[ 4866.381149][   T10]      ret_from_fork+0x31/0x70
[ 4866.381149][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4866.381149][   T10] 
[ 4866.383305][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.383305][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.383305][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.383305][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.383305][   T10]      ip6_route_add+0x1c/0x140
[ 4866.383305][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4866.383305][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4866.383305][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.383305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.383305][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.383305][   T10]      netlink_unicast+0x449/0x710
[ 4866.383305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.383305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.383305][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.383305][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.383305][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.383305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.383305][   T10] 
[ 4866.385537][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.385537][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.385537][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.385537][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.385537][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4866.385537][   T10]      ipv6_add_addr+0x411/0x2000
[ 4866.385537][   T10]      inet6_addr_add+0x30e/0xa40
[ 4866.385537][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.385537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.385537][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.385537][   T10]      netlink_unicast+0x449/0x710
[ 4866.385537][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.385537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.385537][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.385537][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.385537][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.385537][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.385537][   T10] 
[ 4866.387802][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.387802][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.387802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.387802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.387802][   T10]      ip6_route_add+0x1c/0x140
[ 4866.387802][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4866.387802][   T10]      addrconf_add_dev+0xe2/0x170
[ 4866.387802][   T10]      inet6_addr_add+0x12f/0xa40
[ 4866.387802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.387802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.387802][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.387802][   T10]      netlink_unicast+0x449/0x710
[ 4866.387802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.387802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.387802][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.387802][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.387802][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.387802][   T10] 
[ 4866.390025][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.390025][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4866.390025][   T10]      ipv6_find_idev+0x102/0x170
[ 4866.390025][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4866.390025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.390025][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.390025][   T10]      netlink_unicast+0x449/0x710
[ 4866.390025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.390025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.390025][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.390025][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.390025][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.390025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.390025][   T10] 
[ 4866.391790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4866.391790][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4866.391790][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4866.391790][   T10]      ipv6_find_idev+0x102/0x170
[ 4866.391790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4866.391790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.391790][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.391790][   T10]      netlink_unicast+0x449/0x710
[ 4866.391790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.391790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.391790][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.391790][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.391790][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.391790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.391790][   T10] 
[ 4866.393718][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4866.393982][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.393982][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4866.393982][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4866.393982][   T10]      fib6_nh_init+0xa22/0x1580
[ 4866.393982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.393982][   T10]      ip6_route_add+0x1c/0x140
[ 4866.393982][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4866.393982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.393982][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.393982][   T10]      netlink_unicast+0x449/0x710
[ 4866.393982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.393982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.393982][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.393982][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.393982][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.393982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.393982][   T10] 
[ 4866.396101][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.396101][   T10]      dst_init+0x84/0x4a0
[ 4866.396101][   T10]      dst_alloc+0x97/0x150
[ 4866.396101][   T10]      ip6_dst_alloc+0x23/0x90
[ 4866.396101][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4866.396101][   T10]      ip6_pol_route+0x56f/0x840
[ 4866.396101][   T10]      fib6_rule_lookup+0x456/0x630
[ 4866.396101][   T10]      ip6_route_input+0x59c/0xa50
[ 4866.396101][   T10]      ipv6_rcv+0x397/0x810
[ 4866.396101][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4866.396101][   T10]      process_backlog+0x101/0x620
[ 4866.396101][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4866.396101][   T10]      net_rx_action+0x495/0xbe0
[ 4866.396101][   T10]      __do_softirq+0x1b5/0x7f6
[ 4866.396101][   T10] 
[ 4866.397932][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.397932][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.397932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.397932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.397932][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4866.397932][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4866.397932][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4866.397932][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4866.397932][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4866.397932][   T10]      addrconf_dad_begin+0x310/0x670
[ 4866.397932][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4866.397932][   T10]      process_one_work+0x84d/0x18a0
[ 4866.397932][   T10]      worker_thread+0x587/0xd30
[ 4866.397932][   T10]      kthread+0x28a/0x350
[ 4866.397932][   T10]      ret_from_fork+0x31/0x70
[ 4866.397932][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4866.397932][   T10] 
[ 4866.400083][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.400083][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.400083][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.400083][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.400083][   T10]      ip6_route_add+0x1c/0x140
[ 4866.400083][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4866.400083][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4866.400083][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.400083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.400083][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.400083][   T10]      netlink_unicast+0x449/0x710
[ 4866.400083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.400083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.400083][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.400083][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.400083][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.400083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.400083][   T10] 
[ 4866.402326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.402326][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.402326][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.402326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.402326][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4866.402326][   T10]      ipv6_add_addr+0x411/0x2000
[ 4866.402326][   T10]      inet6_addr_add+0x30e/0xa40
[ 4866.402326][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.402326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.402326][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.402326][   T10]      netlink_unicast+0x449/0x710
[ 4866.402326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.402326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.402326][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.402326][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.402326][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.402326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.402326][   T10] 
[ 4866.404591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.404591][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.404591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.404591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.404591][   T10]      ip6_route_add+0x1c/0x140
[ 4866.404591][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4866.404591][   T10]      addrconf_add_dev+0xe2/0x170
[ 4866.404591][   T10]      inet6_addr_add+0x12f/0xa40
[ 4866.404591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.404591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.404591][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.404591][   T10]      netlink_unicast+0x449/0x710
[ 4866.404591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.404591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.404591][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.404591][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.404591][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.404591][   T10] 
[ 4866.406915][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.406915][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4866.406915][   T10]      ipv6_find_idev+0x102/0x170
[ 4866.406915][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4866.406915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.406915][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.406915][   T10]      netlink_unicast+0x449/0x710
[ 4866.406915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.406915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.406915][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.406915][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.406915][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.406915][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.406915][   T10] 
[ 4866.408889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4866.408889][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4866.408889][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4866.408889][   T10]      ipv6_find_idev+0x102/0x170
[ 4866.408889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4866.408889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.408889][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.408889][   T10]      netlink_unicast+0x449/0x710
[ 4866.408889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.408889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.408889][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.408889][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.408889][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.408889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.408889][   T10] 
[ 4866.410948][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4866.411278][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4866.411278][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.411278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.411278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.411278][   T10]      ip6_route_add+0x1c/0x140
[ 4866.411278][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4866.411278][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4866.411278][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.411278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.411278][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.411278][   T10]      netlink_unicast+0x449/0x710
[ 4866.411278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.411278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.411278][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.411278][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.411278][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.411278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.411278][   T10] 
[ 4866.413764][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4866.413764][   T10]      netdev_get_by_index+0x5e/0x80
[ 4866.413764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4866.413764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4866.413764][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4866.413764][   T10]      ipv6_add_addr+0x411/0x2000
[ 4866.413764][   T10]      inet6_addr_add+0x30e/0xa40
[ 4866.413764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4866.413764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.413764][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.413764][   T10]      netlink_unicast+0x449/0x710
[ 4866.413764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.413764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.413764][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.413764][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.413764][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.413764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.413764][   T10] 
[ 4866.416192][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4866.416192][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4866.416192][   T10]      ipv6_find_idev+0x102/0x170
[ 4866.416192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4866.416192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.416192][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.416192][   T10]      netlink_unicast+0x449/0x710
[ 4866.416192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.416192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.416192][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.416192][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.416192][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.416192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.416192][   T10] 
[ 4866.418044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4866.418044][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4866.418044][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4866.418044][   T10]      ipv6_find_idev+0x102/0x170
[ 4866.418044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4866.418044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4866.418044][   T10]      netlink_rcv_skb+0x130/0x360
[ 4866.418044][   T10]      netlink_unicast+0x449/0x710
[ 4866.418044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4866.418044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4866.418044][   T10]      ___sys_sendmsg+0xee/0x170
[ 4866.418044][   T10]      __sys_sendmsg+0xcd/0x170
[ 4866.418044][   T10]      do_syscall_64+0xc6/0x1e0
[ 4866.418044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4866.418044][   T10] 
[ 4876.448823][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4876.449308][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.449308][   T10]      dst_init+0x84/0x4a0
[ 4876.449308][   T10]      dst_alloc+0x97/0x150
[ 4876.449308][   T10]      ip6_dst_alloc+0x23/0x90
[ 4876.449308][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4876.449308][   T10]      ip6_pol_route+0x56f/0x840
[ 4876.449308][   T10]      fib6_rule_lookup+0x456/0x630
[ 4876.449308][   T10]      ip6_route_input+0x59c/0xa50
[ 4876.449308][   T10]      ipv6_rcv+0x397/0x810
[ 4876.449308][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4876.449308][   T10]      process_backlog+0x101/0x620
[ 4876.449308][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4876.449308][   T10]      net_rx_action+0x495/0xbe0
[ 4876.449308][   T10]      __do_softirq+0x1b5/0x7f6
[ 4876.449308][   T10] 
[ 4876.451105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.451105][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4876.451105][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4876.451105][   T10]      fib6_nh_init+0xa22/0x1580
[ 4876.451105][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.451105][   T10]      ip6_route_add+0x1c/0x140
[ 4876.451105][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4876.451105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.451105][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.451105][   T10]      netlink_unicast+0x449/0x710
[ 4876.451105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.451105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.451105][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.451105][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.451105][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.451105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.451105][   T10] 
[ 4876.453127][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.453127][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.453127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.453127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.453127][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4876.453127][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4876.453127][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4876.453127][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4876.453127][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4876.453127][   T10]      addrconf_dad_begin+0x310/0x670
[ 4876.453127][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4876.453127][   T10]      process_one_work+0x84d/0x18a0
[ 4876.453127][   T10]      worker_thread+0x587/0xd30
[ 4876.453127][   T10]      kthread+0x28a/0x350
[ 4876.453127][   T10]      ret_from_fork+0x31/0x70
[ 4876.453127][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4876.453127][   T10] 
[ 4876.455256][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.455256][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.455256][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.455256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.455256][   T10]      ip6_route_add+0x1c/0x140
[ 4876.455256][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4876.455256][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4876.455256][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.455256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.455256][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.455256][   T10]      netlink_unicast+0x449/0x710
[ 4876.455256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.455256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.455256][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.455256][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.455256][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.455256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.455256][   T10] 
[ 4876.457410][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.457410][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.457410][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.457410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.457410][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4876.457410][   T10]      ipv6_add_addr+0x411/0x2000
[ 4876.457410][   T10]      inet6_addr_add+0x30e/0xa40
[ 4876.457410][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.457410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.457410][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.457410][   T10]      netlink_unicast+0x449/0x710
[ 4876.457410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.457410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.457410][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.457410][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.457410][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.457410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.457410][   T10] 
[ 4876.459519][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.459519][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.459519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.459519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.459519][   T10]      ip6_route_add+0x1c/0x140
[ 4876.459519][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4876.459519][   T10]      addrconf_add_dev+0xe2/0x170
[ 4876.459519][   T10]      inet6_addr_add+0x12f/0xa40
[ 4876.459519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.459519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.459519][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.459519][   T10]      netlink_unicast+0x449/0x710
[ 4876.459519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.459519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.459519][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.459519][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.459519][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.459519][   T10] 
[ 4876.461691][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.461691][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4876.461691][   T10]      ipv6_find_idev+0x102/0x170
[ 4876.461691][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4876.461691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.461691][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.461691][   T10]      netlink_unicast+0x449/0x710
[ 4876.461691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.461691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.461691][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.461691][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.461691][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.461691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.461691][   T10] 
[ 4876.463408][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4876.463408][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4876.463408][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4876.463408][   T10]      ipv6_find_idev+0x102/0x170
[ 4876.463408][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4876.463408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.463408][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.463408][   T10]      netlink_unicast+0x449/0x710
[ 4876.463408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.463408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.463408][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.463408][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.463408][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.463408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.463408][   T10] 
[ 4876.465178][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4876.465449][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.465449][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4876.465449][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4876.465449][   T10]      fib6_nh_init+0xa22/0x1580
[ 4876.465449][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.465449][   T10]      ip6_route_add+0x1c/0x140
[ 4876.465449][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4876.465449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.465449][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.465449][   T10]      netlink_unicast+0x449/0x710
[ 4876.465449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.465449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.465449][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.465449][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.465449][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.465449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.465449][   T10] 
[ 4876.467477][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.467477][   T10]      dst_init+0x84/0x4a0
[ 4876.467477][   T10]      dst_alloc+0x97/0x150
[ 4876.467477][   T10]      ip6_dst_alloc+0x23/0x90
[ 4876.467477][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4876.467477][   T10]      ip6_pol_route+0x56f/0x840
[ 4876.467477][   T10]      fib6_rule_lookup+0x456/0x630
[ 4876.467477][   T10]      ip6_route_input+0x59c/0xa50
[ 4876.467477][   T10]      ipv6_rcv+0x397/0x810
[ 4876.467477][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4876.467477][   T10]      process_backlog+0x101/0x620
[ 4876.467477][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4876.467477][   T10]      net_rx_action+0x495/0xbe0
[ 4876.467477][   T10]      __do_softirq+0x1b5/0x7f6
[ 4876.467477][   T10] 
[ 4876.469276][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.469276][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.469276][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.469276][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.469276][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4876.469276][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4876.469276][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4876.469276][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4876.469276][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4876.469276][   T10]      addrconf_dad_begin+0x310/0x670
[ 4876.469276][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4876.469276][   T10]      process_one_work+0x84d/0x18a0
[ 4876.469276][   T10]      worker_thread+0x587/0xd30
[ 4876.469276][   T10]      kthread+0x28a/0x350
[ 4876.469276][   T10]      ret_from_fork+0x31/0x70
[ 4876.469276][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4876.469276][   T10] 
[ 4876.471355][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.471355][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.471355][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.471355][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.471355][   T10]      ip6_route_add+0x1c/0x140
[ 4876.471355][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4876.471355][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4876.471355][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.471355][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.471355][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.471355][   T10]      netlink_unicast+0x449/0x710
[ 4876.471355][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.471355][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.471355][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.471355][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.471355][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.471355][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.471355][   T10] 
[ 4876.473462][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.473462][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.473462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.473462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.473462][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4876.473462][   T10]      ipv6_add_addr+0x411/0x2000
[ 4876.473462][   T10]      inet6_addr_add+0x30e/0xa40
[ 4876.473462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.473462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.473462][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.473462][   T10]      netlink_unicast+0x449/0x710
[ 4876.473462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.473462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.473462][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.473462][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.473462][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.473462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.473462][   T10] 
[ 4876.475554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.475554][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.475554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.475554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.475554][   T10]      ip6_route_add+0x1c/0x140
[ 4876.475554][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4876.475554][   T10]      addrconf_add_dev+0xe2/0x170
[ 4876.475554][   T10]      inet6_addr_add+0x12f/0xa40
[ 4876.475554][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.475554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.475554][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.475554][   T10]      netlink_unicast+0x449/0x710
[ 4876.475554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.475554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.475554][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.475554][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.475554][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.475554][   T10] 
[ 4876.477738][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.477738][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4876.477738][   T10]      ipv6_find_idev+0x102/0x170
[ 4876.477738][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4876.477738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.477738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.477738][   T10]      netlink_unicast+0x449/0x710
[ 4876.477738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.477738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.477738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.477738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.477738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.477738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.477738][   T10] 
[ 4876.479659][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4876.479659][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4876.479659][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4876.479659][   T10]      ipv6_find_idev+0x102/0x170
[ 4876.479659][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4876.479659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.479659][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.479659][   T10]      netlink_unicast+0x449/0x710
[ 4876.479659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.479659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.479659][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.479659][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.479659][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.479659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.479659][   T10] 
[ 4876.481701][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4876.482015][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4876.482015][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.482015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.482015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.482015][   T10]      ip6_route_add+0x1c/0x140
[ 4876.482015][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4876.482015][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4876.482015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.482015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.482015][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.482015][   T10]      netlink_unicast+0x449/0x710
[ 4876.482015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.482015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.482015][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.482015][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.482015][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.482015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.482015][   T10] 
[ 4876.484417][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4876.484417][   T10]      netdev_get_by_index+0x5e/0x80
[ 4876.484417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4876.484417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4876.484417][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4876.484417][   T10]      ipv6_add_addr+0x411/0x2000
[ 4876.484417][   T10]      inet6_addr_add+0x30e/0xa40
[ 4876.484417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4876.484417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.484417][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.484417][   T10]      netlink_unicast+0x449/0x710
[ 4876.484417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.484417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.484417][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.484417][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.484417][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.484417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.484417][   T10] 
[ 4876.486720][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4876.486720][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4876.486720][   T10]      ipv6_find_idev+0x102/0x170
[ 4876.486720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4876.486720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.486720][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.486720][   T10]      netlink_unicast+0x449/0x710
[ 4876.486720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.486720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.486720][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.486720][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.486720][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.486720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.486720][   T10] 
[ 4876.488577][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4876.488577][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4876.488577][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4876.488577][   T10]      ipv6_find_idev+0x102/0x170
[ 4876.488577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4876.488577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4876.488577][   T10]      netlink_rcv_skb+0x130/0x360
[ 4876.488577][   T10]      netlink_unicast+0x449/0x710
[ 4876.488577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4876.488577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4876.488577][   T10]      ___sys_sendmsg+0xee/0x170
[ 4876.488577][   T10]      __sys_sendmsg+0xcd/0x170
[ 4876.488577][   T10]      do_syscall_64+0xc6/0x1e0
[ 4876.488577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4876.488577][   T10] 
[ 4886.656754][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4886.657239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.657239][   T10]      dst_init+0x84/0x4a0
[ 4886.657239][   T10]      dst_alloc+0x97/0x150
[ 4886.657239][   T10]      ip6_dst_alloc+0x23/0x90
[ 4886.657239][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4886.657239][   T10]      ip6_pol_route+0x56f/0x840
[ 4886.657239][   T10]      fib6_rule_lookup+0x456/0x630
[ 4886.657239][   T10]      ip6_route_input+0x59c/0xa50
[ 4886.657239][   T10]      ipv6_rcv+0x397/0x810
[ 4886.657239][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4886.657239][   T10]      process_backlog+0x101/0x620
[ 4886.657239][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4886.657239][   T10]      net_rx_action+0x495/0xbe0
[ 4886.657239][   T10]      __do_softirq+0x1b5/0x7f6
[ 4886.657239][   T10] 
[ 4886.659082][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.659082][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4886.659082][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4886.659082][   T10]      fib6_nh_init+0xa22/0x1580
[ 4886.659082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.659082][   T10]      ip6_route_add+0x1c/0x140
[ 4886.659082][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4886.659082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.659082][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.659082][   T10]      netlink_unicast+0x449/0x710
[ 4886.659082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.659082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.659082][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.659082][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.659082][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.659082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.659082][   T10] 
[ 4886.661187][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.661187][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.661187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.661187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.661187][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4886.661187][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4886.661187][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4886.661187][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4886.661187][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4886.661187][   T10]      addrconf_dad_begin+0x310/0x670
[ 4886.661187][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4886.661187][   T10]      process_one_work+0x84d/0x18a0
[ 4886.661187][   T10]      worker_thread+0x587/0xd30
[ 4886.661187][   T10]      kthread+0x28a/0x350
[ 4886.661187][   T10]      ret_from_fork+0x31/0x70
[ 4886.661187][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4886.661187][   T10] 
[ 4886.663308][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.663308][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.663308][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.663308][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.663308][   T10]      ip6_route_add+0x1c/0x140
[ 4886.663308][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4886.663308][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4886.663308][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.663308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.663308][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.663308][   T10]      netlink_unicast+0x449/0x710
[ 4886.663308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.663308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.663308][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.663308][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.663308][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.663308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.663308][   T10] 
[ 4886.665524][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.665524][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.665524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.665524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.665524][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4886.665524][   T10]      ipv6_add_addr+0x411/0x2000
[ 4886.665524][   T10]      inet6_addr_add+0x30e/0xa40
[ 4886.665524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.665524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.665524][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.665524][   T10]      netlink_unicast+0x449/0x710
[ 4886.665524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.665524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.665524][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.665524][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.665524][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.665524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.665524][   T10] 
[ 4886.667753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.667753][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.667753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.667753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.667753][   T10]      ip6_route_add+0x1c/0x140
[ 4886.667753][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4886.667753][   T10]      addrconf_add_dev+0xe2/0x170
[ 4886.667753][   T10]      inet6_addr_add+0x12f/0xa40
[ 4886.667753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.667753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.667753][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.667753][   T10]      netlink_unicast+0x449/0x710
[ 4886.667753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.667753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.667753][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.667753][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.667753][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.667753][   T10] 
[ 4886.669927][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.669927][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4886.669927][   T10]      ipv6_find_idev+0x102/0x170
[ 4886.669927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4886.669927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.669927][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.669927][   T10]      netlink_unicast+0x449/0x710
[ 4886.669927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.669927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.669927][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.669927][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.669927][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.669927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.669927][   T10] 
[ 4886.671629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4886.671629][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4886.671629][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4886.671629][   T10]      ipv6_find_idev+0x102/0x170
[ 4886.671629][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4886.671629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.671629][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.671629][   T10]      netlink_unicast+0x449/0x710
[ 4886.671629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.671629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.671629][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.671629][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.671629][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.671629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.671629][   T10] 
[ 4886.673531][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4886.673806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.673806][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4886.673806][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4886.673806][   T10]      fib6_nh_init+0xa22/0x1580
[ 4886.673806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.673806][   T10]      ip6_route_add+0x1c/0x140
[ 4886.673806][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4886.673806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.673806][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.673806][   T10]      netlink_unicast+0x449/0x710
[ 4886.673806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.673806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.673806][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.673806][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.673806][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.673806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.673806][   T10] 
[ 4886.675882][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.675882][   T10]      dst_init+0x84/0x4a0
[ 4886.675882][   T10]      dst_alloc+0x97/0x150
[ 4886.675882][   T10]      ip6_dst_alloc+0x23/0x90
[ 4886.675882][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4886.675882][   T10]      ip6_pol_route+0x56f/0x840
[ 4886.675882][   T10]      fib6_rule_lookup+0x456/0x630
[ 4886.675882][   T10]      ip6_route_input+0x59c/0xa50
[ 4886.675882][   T10]      ipv6_rcv+0x397/0x810
[ 4886.675882][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4886.675882][   T10]      process_backlog+0x101/0x620
[ 4886.675882][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4886.675882][   T10]      net_rx_action+0x495/0xbe0
[ 4886.675882][   T10]      __do_softirq+0x1b5/0x7f6
[ 4886.675882][   T10] 
[ 4886.677683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.677683][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.677683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.677683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.677683][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4886.677683][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4886.677683][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4886.677683][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4886.677683][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4886.677683][   T10]      addrconf_dad_begin+0x310/0x670
[ 4886.677683][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4886.677683][   T10]      process_one_work+0x84d/0x18a0
[ 4886.677683][   T10]      worker_thread+0x587/0xd30
[ 4886.677683][   T10]      kthread+0x28a/0x350
[ 4886.677683][   T10]      ret_from_fork+0x31/0x70
[ 4886.677683][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4886.677683][   T10] 
[ 4886.679791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.679791][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.679791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.679791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.679791][   T10]      ip6_route_add+0x1c/0x140
[ 4886.679791][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4886.679791][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4886.679791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.679791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.679791][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.679791][   T10]      netlink_unicast+0x449/0x710
[ 4886.679791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.679791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.679791][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.679791][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.679791][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.679791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.679791][   T10] 
[ 4886.681998][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.681998][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.681998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.681998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.681998][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4886.681998][   T10]      ipv6_add_addr+0x411/0x2000
[ 4886.681998][   T10]      inet6_addr_add+0x30e/0xa40
[ 4886.681998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.681998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.681998][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.681998][   T10]      netlink_unicast+0x449/0x710
[ 4886.681998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.681998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.681998][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.681998][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.681998][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.681998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.681998][   T10] 
[ 4886.684232][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.684232][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.684232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.684232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.684232][   T10]      ip6_route_add+0x1c/0x140
[ 4886.684232][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4886.684232][   T10]      addrconf_add_dev+0xe2/0x170
[ 4886.684232][   T10]      inet6_addr_add+0x12f/0xa40
[ 4886.684232][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.684232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.684232][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.684232][   T10]      netlink_unicast+0x449/0x710
[ 4886.684232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.684232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.684232][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.684232][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.684232][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.684232][   T10] 
[ 4886.686570][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.686570][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4886.686570][   T10]      ipv6_find_idev+0x102/0x170
[ 4886.686570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4886.686570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.686570][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.686570][   T10]      netlink_unicast+0x449/0x710
[ 4886.686570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.686570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.686570][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.686570][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.686570][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.686570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.686570][   T10] 
[ 4886.688530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4886.688530][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4886.688530][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4886.688530][   T10]      ipv6_find_idev+0x102/0x170
[ 4886.688530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4886.688530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.688530][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.688530][   T10]      netlink_unicast+0x449/0x710
[ 4886.688530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.688530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.688530][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.688530][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.688530][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.688530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.688530][   T10] 
[ 4886.690623][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4886.690939][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4886.690939][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.690939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.690939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.690939][   T10]      ip6_route_add+0x1c/0x140
[ 4886.690939][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4886.690939][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4886.690939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.690939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.690939][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.690939][   T10]      netlink_unicast+0x449/0x710
[ 4886.690939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.690939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.690939][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.690939][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.690939][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.690939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.690939][   T10] 
[ 4886.693415][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4886.693415][   T10]      netdev_get_by_index+0x5e/0x80
[ 4886.693415][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4886.693415][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4886.693415][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4886.693415][   T10]      ipv6_add_addr+0x411/0x2000
[ 4886.693415][   T10]      inet6_addr_add+0x30e/0xa40
[ 4886.693415][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4886.693415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.693415][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.693415][   T10]      netlink_unicast+0x449/0x710
[ 4886.693415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.693415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.693415][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.693415][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.693415][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.693415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.693415][   T10] 
[ 4886.695742][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4886.695742][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4886.695742][   T10]      ipv6_find_idev+0x102/0x170
[ 4886.695742][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4886.695742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.695742][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.695742][   T10]      netlink_unicast+0x449/0x710
[ 4886.695742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.695742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.695742][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.695742][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.695742][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.695742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.695742][   T10] 
[ 4886.697631][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4886.697631][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4886.697631][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4886.697631][   T10]      ipv6_find_idev+0x102/0x170
[ 4886.697631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4886.697631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4886.697631][   T10]      netlink_rcv_skb+0x130/0x360
[ 4886.697631][   T10]      netlink_unicast+0x449/0x710
[ 4886.697631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4886.697631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4886.697631][   T10]      ___sys_sendmsg+0xee/0x170
[ 4886.697631][   T10]      __sys_sendmsg+0xcd/0x170
[ 4886.697631][   T10]      do_syscall_64+0xc6/0x1e0
[ 4886.697631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4886.697631][   T10] 
[ 4896.944704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4896.945177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.945177][   T10]      dst_init+0x84/0x4a0
[ 4896.945177][   T10]      dst_alloc+0x97/0x150
[ 4896.945177][   T10]      ip6_dst_alloc+0x23/0x90
[ 4896.945177][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4896.945177][   T10]      ip6_pol_route+0x56f/0x840
[ 4896.945177][   T10]      fib6_rule_lookup+0x456/0x630
[ 4896.945177][   T10]      ip6_route_input+0x59c/0xa50
[ 4896.945177][   T10]      ipv6_rcv+0x397/0x810
[ 4896.945177][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4896.945177][   T10]      process_backlog+0x101/0x620
[ 4896.945177][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4896.945177][   T10]      net_rx_action+0x495/0xbe0
[ 4896.945177][   T10]      __do_softirq+0x1b5/0x7f6
[ 4896.945177][   T10] 
[ 4896.947042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.947042][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4896.947042][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4896.947042][   T10]      fib6_nh_init+0xa22/0x1580
[ 4896.947042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.947042][   T10]      ip6_route_add+0x1c/0x140
[ 4896.947042][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4896.947042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.947042][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.947042][   T10]      netlink_unicast+0x449/0x710
[ 4896.947042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.947042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.947042][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.947042][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.947042][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.947042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.947042][   T10] 
[ 4896.949157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.949157][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.949157][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.949157][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.949157][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4896.949157][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4896.949157][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4896.949157][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4896.949157][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4896.949157][   T10]      addrconf_dad_begin+0x310/0x670
[ 4896.949157][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4896.949157][   T10]      process_one_work+0x84d/0x18a0
[ 4896.949157][   T10]      worker_thread+0x587/0xd30
[ 4896.949157][   T10]      kthread+0x28a/0x350
[ 4896.949157][   T10]      ret_from_fork+0x31/0x70
[ 4896.949157][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4896.949157][   T10] 
[ 4896.951288][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.951288][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.951288][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.951288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.951288][   T10]      ip6_route_add+0x1c/0x140
[ 4896.951288][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4896.951288][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4896.951288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.951288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.951288][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.951288][   T10]      netlink_unicast+0x449/0x710
[ 4896.951288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.951288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.951288][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.951288][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.951288][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.951288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.951288][   T10] 
[ 4896.953576][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.953576][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.953576][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.953576][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.953576][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4896.953576][   T10]      ipv6_add_addr+0x411/0x2000
[ 4896.953576][   T10]      inet6_addr_add+0x30e/0xa40
[ 4896.953576][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.953576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.953576][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.953576][   T10]      netlink_unicast+0x449/0x710
[ 4896.953576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.953576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.953576][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.953576][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.953576][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.953576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.953576][   T10] 
[ 4896.955813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.955813][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.955813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.955813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.955813][   T10]      ip6_route_add+0x1c/0x140
[ 4896.955813][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4896.955813][   T10]      addrconf_add_dev+0xe2/0x170
[ 4896.955813][   T10]      inet6_addr_add+0x12f/0xa40
[ 4896.955813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.955813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.955813][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.955813][   T10]      netlink_unicast+0x449/0x710
[ 4896.955813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.955813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.955813][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.955813][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.955813][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.955813][   T10] 
[ 4896.957999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.957999][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4896.957999][   T10]      ipv6_find_idev+0x102/0x170
[ 4896.957999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4896.957999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.957999][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.957999][   T10]      netlink_unicast+0x449/0x710
[ 4896.957999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.957999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.957999][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.957999][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.957999][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.957999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.957999][   T10] 
[ 4896.959723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4896.959723][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4896.959723][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4896.959723][   T10]      ipv6_find_idev+0x102/0x170
[ 4896.959723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4896.959723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.959723][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.959723][   T10]      netlink_unicast+0x449/0x710
[ 4896.959723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.959723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.959723][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.959723][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.959723][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.959723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.959723][   T10] 
[ 4896.961633][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4896.961896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.961896][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4896.961896][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4896.961896][   T10]      fib6_nh_init+0xa22/0x1580
[ 4896.961896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.961896][   T10]      ip6_route_add+0x1c/0x140
[ 4896.961896][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4896.961896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.961896][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.961896][   T10]      netlink_unicast+0x449/0x710
[ 4896.961896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.961896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.961896][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.961896][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.961896][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.961896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.961896][   T10] 
[ 4896.964007][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.964007][   T10]      dst_init+0x84/0x4a0
[ 4896.964007][   T10]      dst_alloc+0x97/0x150
[ 4896.964007][   T10]      ip6_dst_alloc+0x23/0x90
[ 4896.964007][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4896.964007][   T10]      ip6_pol_route+0x56f/0x840
[ 4896.964007][   T10]      fib6_rule_lookup+0x456/0x630
[ 4896.964007][   T10]      ip6_route_input+0x59c/0xa50
[ 4896.964007][   T10]      ipv6_rcv+0x397/0x810
[ 4896.964007][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4896.964007][   T10]      process_backlog+0x101/0x620
[ 4896.964007][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4896.964007][   T10]      net_rx_action+0x495/0xbe0
[ 4896.964007][   T10]      __do_softirq+0x1b5/0x7f6
[ 4896.964007][   T10] 
[ 4896.965822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.965822][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.965822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.965822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.965822][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4896.965822][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4896.965822][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4896.965822][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4896.965822][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4896.965822][   T10]      addrconf_dad_begin+0x310/0x670
[ 4896.965822][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4896.965822][   T10]      process_one_work+0x84d/0x18a0
[ 4896.965822][   T10]      worker_thread+0x587/0xd30
[ 4896.965822][   T10]      kthread+0x28a/0x350
[ 4896.965822][   T10]      ret_from_fork+0x31/0x70
[ 4896.965822][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4896.965822][   T10] 
[ 4896.967971][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.967971][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.967971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.967971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.967971][   T10]      ip6_route_add+0x1c/0x140
[ 4896.967971][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4896.967971][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4896.967971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.967971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.967971][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.967971][   T10]      netlink_unicast+0x449/0x710
[ 4896.967971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.967971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.967971][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.967971][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.967971][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.967971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.967971][   T10] 
[ 4896.970204][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.970204][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.970204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.970204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.970204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4896.970204][   T10]      ipv6_add_addr+0x411/0x2000
[ 4896.970204][   T10]      inet6_addr_add+0x30e/0xa40
[ 4896.970204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.970204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.970204][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.970204][   T10]      netlink_unicast+0x449/0x710
[ 4896.970204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.970204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.970204][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.970204][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.970204][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.970204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.970204][   T10] 
[ 4896.972431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.972431][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.972431][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.972431][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.972431][   T10]      ip6_route_add+0x1c/0x140
[ 4896.972431][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4896.972431][   T10]      addrconf_add_dev+0xe2/0x170
[ 4896.972431][   T10]      inet6_addr_add+0x12f/0xa40
[ 4896.972431][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.972431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.972431][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.972431][   T10]      netlink_unicast+0x449/0x710
[ 4896.972431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.972431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.972431][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.972431][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.972431][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.972431][   T10] 
[ 4896.974695][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.974695][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4896.974695][   T10]      ipv6_find_idev+0x102/0x170
[ 4896.974695][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4896.974695][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.974695][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.974695][   T10]      netlink_unicast+0x449/0x710
[ 4896.974695][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.974695][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.974695][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.974695][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.974695][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.974695][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.974695][   T10] 
[ 4896.976554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4896.976554][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4896.976554][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4896.976554][   T10]      ipv6_find_idev+0x102/0x170
[ 4896.976554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4896.976554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.976554][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.976554][   T10]      netlink_unicast+0x449/0x710
[ 4896.976554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.976554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.976554][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.976554][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.976554][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.976554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.976554][   T10] 
[ 4896.978557][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4896.978838][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4896.978838][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.978838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.978838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.978838][   T10]      ip6_route_add+0x1c/0x140
[ 4896.978838][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4896.978838][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4896.978838][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.978838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.978838][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.978838][   T10]      netlink_unicast+0x449/0x710
[ 4896.978838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.978838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.978838][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.978838][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.978838][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.978838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.978838][   T10] 
[ 4896.981220][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4896.981220][   T10]      netdev_get_by_index+0x5e/0x80
[ 4896.981220][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4896.981220][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4896.981220][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4896.981220][   T10]      ipv6_add_addr+0x411/0x2000
[ 4896.981220][   T10]      inet6_addr_add+0x30e/0xa40
[ 4896.981220][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4896.981220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.981220][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.981220][   T10]      netlink_unicast+0x449/0x710
[ 4896.981220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.981220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.981220][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.981220][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.981220][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.981220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.981220][   T10] 
[ 4896.983584][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4896.983584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4896.983584][   T10]      ipv6_find_idev+0x102/0x170
[ 4896.983584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4896.983584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.983584][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.983584][   T10]      netlink_unicast+0x449/0x710
[ 4896.983584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.983584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.983584][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.983584][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.983584][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.983584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.983584][   T10] 
[ 4896.985374][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4896.985374][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4896.985374][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4896.985374][   T10]      ipv6_find_idev+0x102/0x170
[ 4896.985374][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4896.985374][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4896.985374][   T10]      netlink_rcv_skb+0x130/0x360
[ 4896.985374][   T10]      netlink_unicast+0x449/0x710
[ 4896.985374][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4896.985374][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4896.985374][   T10]      ___sys_sendmsg+0xee/0x170
[ 4896.985374][   T10]      __sys_sendmsg+0xcd/0x170
[ 4896.985374][   T10]      do_syscall_64+0xc6/0x1e0
[ 4896.985374][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4896.985374][   T10] 
[ 4907.224744][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4907.225181][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.225181][   T10]      dst_init+0x84/0x4a0
[ 4907.225181][   T10]      dst_alloc+0x97/0x150
[ 4907.225181][   T10]      ip6_dst_alloc+0x23/0x90
[ 4907.225181][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4907.225181][   T10]      ip6_pol_route+0x56f/0x840
[ 4907.225181][   T10]      fib6_rule_lookup+0x456/0x630
[ 4907.225181][   T10]      ip6_route_input+0x59c/0xa50
[ 4907.225181][   T10]      ipv6_rcv+0x397/0x810
[ 4907.225181][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4907.225181][   T10]      process_backlog+0x101/0x620
[ 4907.225181][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4907.225181][   T10]      net_rx_action+0x495/0xbe0
[ 4907.225181][   T10]      __do_softirq+0x1b5/0x7f6
[ 4907.225181][   T10] 
[ 4907.226879][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.226879][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4907.226879][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4907.226879][   T10]      fib6_nh_init+0xa22/0x1580
[ 4907.226879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.226879][   T10]      ip6_route_add+0x1c/0x140
[ 4907.226879][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4907.226879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.226879][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.226879][   T10]      netlink_unicast+0x449/0x710
[ 4907.226879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.226879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.226879][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.226879][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.226879][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.226879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.226879][   T10] 
[ 4907.228809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.228809][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.228809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.228809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.228809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4907.228809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4907.228809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4907.228809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4907.228809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4907.228809][   T10]      addrconf_dad_begin+0x310/0x670
[ 4907.228809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4907.228809][   T10]      process_one_work+0x84d/0x18a0
[ 4907.228809][   T10]      worker_thread+0x587/0xd30
[ 4907.228809][   T10]      kthread+0x28a/0x350
[ 4907.228809][   T10]      ret_from_fork+0x31/0x70
[ 4907.228809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4907.228809][   T10] 
[ 4907.230756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.230756][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.230756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.230756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.230756][   T10]      ip6_route_add+0x1c/0x140
[ 4907.230756][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4907.230756][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4907.230756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.230756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.230756][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.230756][   T10]      netlink_unicast+0x449/0x710
[ 4907.230756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.230756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.230756][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.230756][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.230756][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.230756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.230756][   T10] 
[ 4907.232791][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.232791][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.232791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.232791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.232791][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4907.232791][   T10]      ipv6_add_addr+0x411/0x2000
[ 4907.232791][   T10]      inet6_addr_add+0x30e/0xa40
[ 4907.232791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.232791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.232791][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.232791][   T10]      netlink_unicast+0x449/0x710
[ 4907.232791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.232791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.232791][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.232791][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.232791][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.232791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.232791][   T10] 
[ 4907.234840][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.234840][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.234840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.234840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.234840][   T10]      ip6_route_add+0x1c/0x140
[ 4907.234840][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4907.234840][   T10]      addrconf_add_dev+0xe2/0x170
[ 4907.234840][   T10]      inet6_addr_add+0x12f/0xa40
[ 4907.234840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.234840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.234840][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.234840][   T10]      netlink_unicast+0x449/0x710
[ 4907.234840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.234840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.234840][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.234840][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.234840][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.234840][   T10] 
[ 4907.236839][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.236839][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4907.236839][   T10]      ipv6_find_idev+0x102/0x170
[ 4907.236839][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4907.236839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.236839][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.236839][   T10]      netlink_unicast+0x449/0x710
[ 4907.236839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.236839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.236839][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.236839][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.236839][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.236839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.236839][   T10] 
[ 4907.238403][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4907.238403][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4907.238403][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4907.238403][   T10]      ipv6_find_idev+0x102/0x170
[ 4907.238403][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4907.238403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.238403][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.238403][   T10]      netlink_unicast+0x449/0x710
[ 4907.238403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.238403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.238403][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.238403][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.238403][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.238403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.238403][   T10] 
[ 4907.240119][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4907.240359][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.240359][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4907.240359][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4907.240359][   T10]      fib6_nh_init+0xa22/0x1580
[ 4907.240359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.240359][   T10]      ip6_route_add+0x1c/0x140
[ 4907.240359][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4907.240359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.240359][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.240359][   T10]      netlink_unicast+0x449/0x710
[ 4907.240359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.240359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.240359][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.240359][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.240359][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.240359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.240359][   T10] 
[ 4907.242272][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.242272][   T10]      dst_init+0x84/0x4a0
[ 4907.242272][   T10]      dst_alloc+0x97/0x150
[ 4907.242272][   T10]      ip6_dst_alloc+0x23/0x90
[ 4907.242272][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4907.242272][   T10]      ip6_pol_route+0x56f/0x840
[ 4907.242272][   T10]      fib6_rule_lookup+0x456/0x630
[ 4907.242272][   T10]      ip6_route_input+0x59c/0xa50
[ 4907.242272][   T10]      ipv6_rcv+0x397/0x810
[ 4907.242272][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4907.242272][   T10]      process_backlog+0x101/0x620
[ 4907.242272][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4907.242272][   T10]      net_rx_action+0x495/0xbe0
[ 4907.242272][   T10]      __do_softirq+0x1b5/0x7f6
[ 4907.242272][   T10] 
[ 4907.243933][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.243933][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.243933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.243933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.243933][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4907.243933][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4907.243933][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4907.243933][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4907.243933][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4907.243933][   T10]      addrconf_dad_begin+0x310/0x670
[ 4907.243933][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4907.243933][   T10]      process_one_work+0x84d/0x18a0
[ 4907.243933][   T10]      worker_thread+0x587/0xd30
[ 4907.243933][   T10]      kthread+0x28a/0x350
[ 4907.243933][   T10]      ret_from_fork+0x31/0x70
[ 4907.243933][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4907.243933][   T10] 
[ 4907.245883][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.245883][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.245883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.245883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.245883][   T10]      ip6_route_add+0x1c/0x140
[ 4907.245883][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4907.245883][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4907.245883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.245883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.245883][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.245883][   T10]      netlink_unicast+0x449/0x710
[ 4907.245883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.245883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.245883][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.245883][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.245883][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.245883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.245883][   T10] 
[ 4907.247928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.247928][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.247928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.247928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.247928][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4907.247928][   T10]      ipv6_add_addr+0x411/0x2000
[ 4907.247928][   T10]      inet6_addr_add+0x30e/0xa40
[ 4907.247928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.247928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.247928][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.247928][   T10]      netlink_unicast+0x449/0x710
[ 4907.247928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.247928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.247928][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.247928][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.247928][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.247928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.247928][   T10] 
[ 4907.249952][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.249952][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.249952][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.249952][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.249952][   T10]      ip6_route_add+0x1c/0x140
[ 4907.249952][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4907.249952][   T10]      addrconf_add_dev+0xe2/0x170
[ 4907.249952][   T10]      inet6_addr_add+0x12f/0xa40
[ 4907.249952][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.249952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.249952][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.249952][   T10]      netlink_unicast+0x449/0x710
[ 4907.249952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.249952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.249952][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.249952][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.249952][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.249952][   T10] 
[ 4907.252130][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.252130][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4907.252130][   T10]      ipv6_find_idev+0x102/0x170
[ 4907.252130][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4907.252130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.252130][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.252130][   T10]      netlink_unicast+0x449/0x710
[ 4907.252130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.252130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.252130][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.252130][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.252130][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.252130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.252130][   T10] 
[ 4907.253950][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4907.253950][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4907.253950][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4907.253950][   T10]      ipv6_find_idev+0x102/0x170
[ 4907.253950][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4907.253950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.253950][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.253950][   T10]      netlink_unicast+0x449/0x710
[ 4907.253950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.253950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.253950][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.253950][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.253950][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.253950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.253950][   T10] 
[ 4907.255838][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4907.256077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4907.256077][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.256077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.256077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.256077][   T10]      ip6_route_add+0x1c/0x140
[ 4907.256077][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4907.256077][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4907.256077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.256077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.256077][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.256077][   T10]      netlink_unicast+0x449/0x710
[ 4907.256077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.256077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.256077][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.256077][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.256077][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.256077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.256077][   T10] 
[ 4907.258345][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4907.258345][   T10]      netdev_get_by_index+0x5e/0x80
[ 4907.258345][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4907.258345][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4907.258345][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4907.258345][   T10]      ipv6_add_addr+0x411/0x2000
[ 4907.258345][   T10]      inet6_addr_add+0x30e/0xa40
[ 4907.258345][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4907.258345][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.258345][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.258345][   T10]      netlink_unicast+0x449/0x710
[ 4907.258345][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.258345][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.258345][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.258345][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.258345][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.258345][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.258345][   T10] 
[ 4907.260574][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4907.260574][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4907.260574][   T10]      ipv6_find_idev+0x102/0x170
[ 4907.260574][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4907.260574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.260574][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.260574][   T10]      netlink_unicast+0x449/0x710
[ 4907.260574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.260574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.260574][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.260574][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.260574][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.260574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.260574][   T10] 
[ 4907.262377][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4907.262377][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4907.262377][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4907.262377][   T10]      ipv6_find_idev+0x102/0x170
[ 4907.262377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4907.262377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4907.262377][   T10]      netlink_rcv_skb+0x130/0x360
[ 4907.262377][   T10]      netlink_unicast+0x449/0x710
[ 4907.262377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4907.262377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4907.262377][   T10]      ___sys_sendmsg+0xee/0x170
[ 4907.262377][   T10]      __sys_sendmsg+0xcd/0x170
[ 4907.262377][   T10]      do_syscall_64+0xc6/0x1e0
[ 4907.262377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4907.262377][   T10] 
[ 4917.496741][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4917.497216][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.497216][   T10]      dst_init+0x84/0x4a0
[ 4917.497216][   T10]      dst_alloc+0x97/0x150
[ 4917.497216][   T10]      ip6_dst_alloc+0x23/0x90
[ 4917.497216][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4917.497216][   T10]      ip6_pol_route+0x56f/0x840
[ 4917.497216][   T10]      fib6_rule_lookup+0x456/0x630
[ 4917.497216][   T10]      ip6_route_input+0x59c/0xa50
[ 4917.497216][   T10]      ipv6_rcv+0x397/0x810
[ 4917.497216][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4917.497216][   T10]      process_backlog+0x101/0x620
[ 4917.497216][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4917.497216][   T10]      net_rx_action+0x495/0xbe0
[ 4917.497216][   T10]      __do_softirq+0x1b5/0x7f6
[ 4917.497216][   T10] 
[ 4917.499072][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.499072][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4917.499072][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4917.499072][   T10]      fib6_nh_init+0xa22/0x1580
[ 4917.499072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.499072][   T10]      ip6_route_add+0x1c/0x140
[ 4917.499072][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4917.499072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.499072][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.499072][   T10]      netlink_unicast+0x449/0x710
[ 4917.499072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.499072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.499072][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.499072][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.499072][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.499072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.499072][   T10] 
[ 4917.501152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.501152][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.501152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.501152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.501152][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4917.501152][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4917.501152][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4917.501152][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4917.501152][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4917.501152][   T10]      addrconf_dad_begin+0x310/0x670
[ 4917.501152][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4917.501152][   T10]      process_one_work+0x84d/0x18a0
[ 4917.501152][   T10]      worker_thread+0x587/0xd30
[ 4917.501152][   T10]      kthread+0x28a/0x350
[ 4917.501152][   T10]      ret_from_fork+0x31/0x70
[ 4917.501152][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4917.501152][   T10] 
[ 4917.503267][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.503267][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.503267][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.503267][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.503267][   T10]      ip6_route_add+0x1c/0x140
[ 4917.503267][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4917.503267][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4917.503267][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.503267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.503267][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.503267][   T10]      netlink_unicast+0x449/0x710
[ 4917.503267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.503267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.503267][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.503267][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.503267][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.503267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.503267][   T10] 
[ 4917.505467][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.505467][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.505467][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.505467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.505467][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4917.505467][   T10]      ipv6_add_addr+0x411/0x2000
[ 4917.505467][   T10]      inet6_addr_add+0x30e/0xa40
[ 4917.505467][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.505467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.505467][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.505467][   T10]      netlink_unicast+0x449/0x710
[ 4917.505467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.505467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.505467][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.505467][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.505467][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.505467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.505467][   T10] 
[ 4917.507665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.507665][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.507665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.507665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.507665][   T10]      ip6_route_add+0x1c/0x140
[ 4917.507665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4917.507665][   T10]      addrconf_add_dev+0xe2/0x170
[ 4917.507665][   T10]      inet6_addr_add+0x12f/0xa40
[ 4917.507665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.507665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.507665][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.507665][   T10]      netlink_unicast+0x449/0x710
[ 4917.507665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.507665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.507665][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.507665][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.507665][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.507665][   T10] 
[ 4917.509826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.509826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4917.509826][   T10]      ipv6_find_idev+0x102/0x170
[ 4917.509826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4917.509826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.509826][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.509826][   T10]      netlink_unicast+0x449/0x710
[ 4917.509826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.509826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.509826][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.509826][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.509826][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.509826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.509826][   T10] 
[ 4917.511524][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4917.511524][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4917.511524][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4917.511524][   T10]      ipv6_find_idev+0x102/0x170
[ 4917.511524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4917.511524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.511524][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.511524][   T10]      netlink_unicast+0x449/0x710
[ 4917.511524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.511524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.511524][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.511524][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.511524][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.511524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.511524][   T10] 
[ 4917.513380][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4917.513651][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.513651][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4917.513651][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4917.513651][   T10]      fib6_nh_init+0xa22/0x1580
[ 4917.513651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.513651][   T10]      ip6_route_add+0x1c/0x140
[ 4917.513651][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4917.513651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.513651][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.513651][   T10]      netlink_unicast+0x449/0x710
[ 4917.513651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.513651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.513651][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.513651][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.513651][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.513651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.513651][   T10] 
[ 4917.515722][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.515722][   T10]      dst_init+0x84/0x4a0
[ 4917.515722][   T10]      dst_alloc+0x97/0x150
[ 4917.515722][   T10]      ip6_dst_alloc+0x23/0x90
[ 4917.515722][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4917.515722][   T10]      ip6_pol_route+0x56f/0x840
[ 4917.515722][   T10]      fib6_rule_lookup+0x456/0x630
[ 4917.515722][   T10]      ip6_route_input+0x59c/0xa50
[ 4917.515722][   T10]      ipv6_rcv+0x397/0x810
[ 4917.515722][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4917.515722][   T10]      process_backlog+0x101/0x620
[ 4917.515722][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4917.515722][   T10]      net_rx_action+0x495/0xbe0
[ 4917.515722][   T10]      __do_softirq+0x1b5/0x7f6
[ 4917.515722][   T10] 
[ 4917.517526][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.517526][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.517526][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.517526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.517526][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4917.517526][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4917.517526][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4917.517526][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4917.517526][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4917.517526][   T10]      addrconf_dad_begin+0x310/0x670
[ 4917.517526][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4917.517526][   T10]      process_one_work+0x84d/0x18a0
[ 4917.517526][   T10]      worker_thread+0x587/0xd30
[ 4917.517526][   T10]      kthread+0x28a/0x350
[ 4917.517526][   T10]      ret_from_fork+0x31/0x70
[ 4917.517526][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4917.517526][   T10] 
[ 4917.519626][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.519626][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.519626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.519626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.519626][   T10]      ip6_route_add+0x1c/0x140
[ 4917.519626][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4917.519626][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4917.519626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.519626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.519626][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.519626][   T10]      netlink_unicast+0x449/0x710
[ 4917.519626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.519626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.519626][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.519626][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.519626][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.519626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.519626][   T10] 
[ 4917.521818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.521818][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.521818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.521818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.521818][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4917.521818][   T10]      ipv6_add_addr+0x411/0x2000
[ 4917.521818][   T10]      inet6_addr_add+0x30e/0xa40
[ 4917.521818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.521818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.521818][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.521818][   T10]      netlink_unicast+0x449/0x710
[ 4917.521818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.521818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.521818][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.521818][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.521818][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.521818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.521818][   T10] 
[ 4917.524025][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.524025][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.524025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.524025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.524025][   T10]      ip6_route_add+0x1c/0x140
[ 4917.524025][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4917.524025][   T10]      addrconf_add_dev+0xe2/0x170
[ 4917.524025][   T10]      inet6_addr_add+0x12f/0xa40
[ 4917.524025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.524025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.524025][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.524025][   T10]      netlink_unicast+0x449/0x710
[ 4917.524025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.524025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.524025][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.524025][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.524025][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.524025][   T10] 
[ 4917.526370][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.526370][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4917.526370][   T10]      ipv6_find_idev+0x102/0x170
[ 4917.526370][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4917.526370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.526370][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.526370][   T10]      netlink_unicast+0x449/0x710
[ 4917.526370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.526370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.526370][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.526370][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.526370][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.526370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.526370][   T10] 
[ 4917.528250][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4917.528250][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4917.528250][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4917.528250][   T10]      ipv6_find_idev+0x102/0x170
[ 4917.528250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4917.528250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.528250][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.528250][   T10]      netlink_unicast+0x449/0x710
[ 4917.528250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.528250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.528250][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.528250][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.528250][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.528250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.528250][   T10] 
[ 4917.530283][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4917.530603][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4917.530603][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.530603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.530603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.530603][   T10]      ip6_route_add+0x1c/0x140
[ 4917.530603][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4917.530603][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4917.530603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.530603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.530603][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.530603][   T10]      netlink_unicast+0x449/0x710
[ 4917.530603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.530603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.530603][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.530603][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.530603][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.530603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.530603][   T10] 
[ 4917.532981][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4917.532981][   T10]      netdev_get_by_index+0x5e/0x80
[ 4917.532981][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4917.532981][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4917.532981][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4917.532981][   T10]      ipv6_add_addr+0x411/0x2000
[ 4917.532981][   T10]      inet6_addr_add+0x30e/0xa40
[ 4917.532981][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4917.532981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.532981][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.532981][   T10]      netlink_unicast+0x449/0x710
[ 4917.532981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.532981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.532981][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.532981][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.532981][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.532981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.532981][   T10] 
[ 4917.535415][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4917.535415][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4917.535415][   T10]      ipv6_find_idev+0x102/0x170
[ 4917.535415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4917.535415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.535415][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.535415][   T10]      netlink_unicast+0x449/0x710
[ 4917.535415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.535415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.535415][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.535415][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.535415][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.535415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.535415][   T10] 
[ 4917.537277][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4917.537277][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4917.537277][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4917.537277][   T10]      ipv6_find_idev+0x102/0x170
[ 4917.537277][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4917.537277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4917.537277][   T10]      netlink_rcv_skb+0x130/0x360
[ 4917.537277][   T10]      netlink_unicast+0x449/0x710
[ 4917.537277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4917.537277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4917.537277][   T10]      ___sys_sendmsg+0xee/0x170
[ 4917.537277][   T10]      __sys_sendmsg+0xcd/0x170
[ 4917.537277][   T10]      do_syscall_64+0xc6/0x1e0
[ 4917.537277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4917.537277][   T10] 
[ 4927.584744][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4927.585196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.585196][   T10]      dst_init+0x84/0x4a0
[ 4927.585196][   T10]      dst_alloc+0x97/0x150
[ 4927.585196][   T10]      ip6_dst_alloc+0x23/0x90
[ 4927.585196][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4927.585196][   T10]      ip6_pol_route+0x56f/0x840
[ 4927.585196][   T10]      fib6_rule_lookup+0x456/0x630
[ 4927.585196][   T10]      ip6_route_input+0x59c/0xa50
[ 4927.585196][   T10]      ipv6_rcv+0x397/0x810
[ 4927.585196][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4927.585196][   T10]      process_backlog+0x101/0x620
[ 4927.585196][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4927.585196][   T10]      net_rx_action+0x495/0xbe0
[ 4927.585196][   T10]      __do_softirq+0x1b5/0x7f6
[ 4927.585196][   T10] 
[ 4927.586894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.586894][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4927.586894][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4927.586894][   T10]      fib6_nh_init+0xa22/0x1580
[ 4927.586894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.586894][   T10]      ip6_route_add+0x1c/0x140
[ 4927.586894][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4927.586894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.586894][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.586894][   T10]      netlink_unicast+0x449/0x710
[ 4927.586894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.586894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.586894][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.586894][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.586894][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.586894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.586894][   T10] 
[ 4927.588814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.588814][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.588814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.588814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.588814][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4927.588814][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4927.588814][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4927.588814][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4927.588814][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4927.588814][   T10]      addrconf_dad_begin+0x310/0x670
[ 4927.588814][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4927.588814][   T10]      process_one_work+0x84d/0x18a0
[ 4927.588814][   T10]      worker_thread+0x587/0xd30
[ 4927.588814][   T10]      kthread+0x28a/0x350
[ 4927.588814][   T10]      ret_from_fork+0x31/0x70
[ 4927.588814][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4927.588814][   T10] 
[ 4927.590756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.590756][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.590756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.590756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.590756][   T10]      ip6_route_add+0x1c/0x140
[ 4927.590756][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4927.590756][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4927.590756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.590756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.590756][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.590756][   T10]      netlink_unicast+0x449/0x710
[ 4927.590756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.590756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.590756][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.590756][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.590756][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.590756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.590756][   T10] 
[ 4927.592846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.592846][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.592846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.592846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.592846][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4927.592846][   T10]      ipv6_add_addr+0x411/0x2000
[ 4927.592846][   T10]      inet6_addr_add+0x30e/0xa40
[ 4927.592846][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.592846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.592846][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.592846][   T10]      netlink_unicast+0x449/0x710
[ 4927.592846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.592846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.592846][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.592846][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.592846][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.592846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.592846][   T10] 
[ 4927.594897][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.594897][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.594897][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.594897][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.594897][   T10]      ip6_route_add+0x1c/0x140
[ 4927.594897][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4927.594897][   T10]      addrconf_add_dev+0xe2/0x170
[ 4927.594897][   T10]      inet6_addr_add+0x12f/0xa40
[ 4927.594897][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.594897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.594897][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.594897][   T10]      netlink_unicast+0x449/0x710
[ 4927.594897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.594897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.594897][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.594897][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.594897][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.594897][   T10] 
[ 4927.596900][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.596900][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4927.596900][   T10]      ipv6_find_idev+0x102/0x170
[ 4927.596900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4927.596900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.596900][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.596900][   T10]      netlink_unicast+0x449/0x710
[ 4927.596900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.596900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.596900][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.596900][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.596900][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.596900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.596900][   T10] 
[ 4927.598464][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4927.598464][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4927.598464][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4927.598464][   T10]      ipv6_find_idev+0x102/0x170
[ 4927.598464][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4927.598464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.598464][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.598464][   T10]      netlink_unicast+0x449/0x710
[ 4927.598464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.598464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.598464][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.598464][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.598464][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.598464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.598464][   T10] 
[ 4927.600180][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4927.600431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.600431][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4927.600431][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4927.600431][   T10]      fib6_nh_init+0xa22/0x1580
[ 4927.600431][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.600431][   T10]      ip6_route_add+0x1c/0x140
[ 4927.600431][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4927.600431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.600431][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.600431][   T10]      netlink_unicast+0x449/0x710
[ 4927.600431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.600431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.600431][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.600431][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.600431][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.600431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.600431][   T10] 
[ 4927.602330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.602330][   T10]      dst_init+0x84/0x4a0
[ 4927.602330][   T10]      dst_alloc+0x97/0x150
[ 4927.602330][   T10]      ip6_dst_alloc+0x23/0x90
[ 4927.602330][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4927.602330][   T10]      ip6_pol_route+0x56f/0x840
[ 4927.602330][   T10]      fib6_rule_lookup+0x456/0x630
[ 4927.602330][   T10]      ip6_route_input+0x59c/0xa50
[ 4927.602330][   T10]      ipv6_rcv+0x397/0x810
[ 4927.602330][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4927.602330][   T10]      process_backlog+0x101/0x620
[ 4927.602330][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4927.602330][   T10]      net_rx_action+0x495/0xbe0
[ 4927.602330][   T10]      __do_softirq+0x1b5/0x7f6
[ 4927.602330][   T10] 
[ 4927.604005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.604005][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.604005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.604005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.604005][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4927.604005][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4927.604005][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4927.604005][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4927.604005][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4927.604005][   T10]      addrconf_dad_begin+0x310/0x670
[ 4927.604005][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4927.604005][   T10]      process_one_work+0x84d/0x18a0
[ 4927.604005][   T10]      worker_thread+0x587/0xd30
[ 4927.604005][   T10]      kthread+0x28a/0x350
[ 4927.604005][   T10]      ret_from_fork+0x31/0x70
[ 4927.604005][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4927.604005][   T10] 
[ 4927.605941][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.605941][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.605941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.605941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.605941][   T10]      ip6_route_add+0x1c/0x140
[ 4927.605941][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4927.605941][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4927.605941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.605941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.605941][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.605941][   T10]      netlink_unicast+0x449/0x710
[ 4927.605941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.605941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.605941][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.605941][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.605941][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.605941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.605941][   T10] 
[ 4927.607968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.607968][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.607968][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.607968][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.607968][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4927.607968][   T10]      ipv6_add_addr+0x411/0x2000
[ 4927.607968][   T10]      inet6_addr_add+0x30e/0xa40
[ 4927.607968][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.607968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.607968][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.607968][   T10]      netlink_unicast+0x449/0x710
[ 4927.607968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.607968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.607968][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.607968][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.607968][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.607968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.607968][   T10] 
[ 4927.610001][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.610001][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.610001][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.610001][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.610001][   T10]      ip6_route_add+0x1c/0x140
[ 4927.610001][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4927.610001][   T10]      addrconf_add_dev+0xe2/0x170
[ 4927.610001][   T10]      inet6_addr_add+0x12f/0xa40
[ 4927.610001][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.610001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.610001][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.610001][   T10]      netlink_unicast+0x449/0x710
[ 4927.610001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.610001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.610001][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.610001][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.610001][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.610001][   T10] 
[ 4927.612184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.612184][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4927.612184][   T10]      ipv6_find_idev+0x102/0x170
[ 4927.612184][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4927.612184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.612184][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.612184][   T10]      netlink_unicast+0x449/0x710
[ 4927.612184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.612184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.612184][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.612184][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.612184][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.612184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.612184][   T10] 
[ 4927.613996][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4927.613996][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4927.613996][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4927.613996][   T10]      ipv6_find_idev+0x102/0x170
[ 4927.613996][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4927.613996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.613996][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.613996][   T10]      netlink_unicast+0x449/0x710
[ 4927.613996][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.613996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.613996][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.613996][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.613996][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.613996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.613996][   T10] 
[ 4927.615880][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4927.616125][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4927.616125][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.616125][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.616125][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.616125][   T10]      ip6_route_add+0x1c/0x140
[ 4927.616125][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4927.616125][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4927.616125][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.616125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.616125][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.616125][   T10]      netlink_unicast+0x449/0x710
[ 4927.616125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.616125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.616125][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.616125][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.616125][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.616125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.616125][   T10] 
[ 4927.618390][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4927.618390][   T10]      netdev_get_by_index+0x5e/0x80
[ 4927.618390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4927.618390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4927.618390][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4927.618390][   T10]      ipv6_add_addr+0x411/0x2000
[ 4927.618390][   T10]      inet6_addr_add+0x30e/0xa40
[ 4927.618390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4927.618390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.618390][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.618390][   T10]      netlink_unicast+0x449/0x710
[ 4927.618390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.618390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.618390][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.618390][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.618390][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.618390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.618390][   T10] 
[ 4927.620660][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4927.620660][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4927.620660][   T10]      ipv6_find_idev+0x102/0x170
[ 4927.620660][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4927.620660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.620660][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.620660][   T10]      netlink_unicast+0x449/0x710
[ 4927.620660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.620660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.620660][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.620660][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.620660][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.620660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.620660][   T10] 
[ 4927.622469][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4927.622469][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4927.622469][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4927.622469][   T10]      ipv6_find_idev+0x102/0x170
[ 4927.622469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4927.622469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4927.622469][   T10]      netlink_rcv_skb+0x130/0x360
[ 4927.622469][   T10]      netlink_unicast+0x449/0x710
[ 4927.622469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4927.622469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4927.622469][   T10]      ___sys_sendmsg+0xee/0x170
[ 4927.622469][   T10]      __sys_sendmsg+0xcd/0x170
[ 4927.622469][   T10]      do_syscall_64+0xc6/0x1e0
[ 4927.622469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4927.622469][   T10] 
[ 4937.752695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4937.753207][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.753207][   T10]      dst_init+0x84/0x4a0
[ 4937.753207][   T10]      dst_alloc+0x97/0x150
[ 4937.753207][   T10]      ip6_dst_alloc+0x23/0x90
[ 4937.753207][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4937.753207][   T10]      ip6_pol_route+0x56f/0x840
[ 4937.753207][   T10]      fib6_rule_lookup+0x456/0x630
[ 4937.753207][   T10]      ip6_route_input+0x59c/0xa50
[ 4937.753207][   T10]      ipv6_rcv+0x397/0x810
[ 4937.753207][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4937.753207][   T10]      process_backlog+0x101/0x620
[ 4937.753207][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4937.753207][   T10]      net_rx_action+0x495/0xbe0
[ 4937.753207][   T10]      __do_softirq+0x1b5/0x7f6
[ 4937.753207][   T10] 
[ 4937.755103][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.755103][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4937.755103][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4937.755103][   T10]      fib6_nh_init+0xa22/0x1580
[ 4937.755103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.755103][   T10]      ip6_route_add+0x1c/0x140
[ 4937.755103][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4937.755103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.755103][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.755103][   T10]      netlink_unicast+0x449/0x710
[ 4937.755103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.755103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.755103][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.755103][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.755103][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.755103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.755103][   T10] 
[ 4937.757228][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.757228][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.757228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.757228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.757228][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4937.757228][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4937.757228][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4937.757228][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4937.757228][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4937.757228][   T10]      addrconf_dad_begin+0x310/0x670
[ 4937.757228][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4937.757228][   T10]      process_one_work+0x84d/0x18a0
[ 4937.757228][   T10]      worker_thread+0x587/0xd30
[ 4937.757228][   T10]      kthread+0x28a/0x350
[ 4937.757228][   T10]      ret_from_fork+0x31/0x70
[ 4937.757228][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4937.757228][   T10] 
[ 4937.759398][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.759398][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.759398][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.759398][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.759398][   T10]      ip6_route_add+0x1c/0x140
[ 4937.759398][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4937.759398][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4937.759398][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.759398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.759398][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.759398][   T10]      netlink_unicast+0x449/0x710
[ 4937.759398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.759398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.759398][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.759398][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.759398][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.759398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.759398][   T10] 
[ 4937.761653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.761653][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.761653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.761653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.761653][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4937.761653][   T10]      ipv6_add_addr+0x411/0x2000
[ 4937.761653][   T10]      inet6_addr_add+0x30e/0xa40
[ 4937.761653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.761653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.761653][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.761653][   T10]      netlink_unicast+0x449/0x710
[ 4937.761653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.761653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.761653][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.761653][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.761653][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.761653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.761653][   T10] 
[ 4937.763925][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.763925][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.763925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.763925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.763925][   T10]      ip6_route_add+0x1c/0x140
[ 4937.763925][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4937.763925][   T10]      addrconf_add_dev+0xe2/0x170
[ 4937.763925][   T10]      inet6_addr_add+0x12f/0xa40
[ 4937.763925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.763925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.763925][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.763925][   T10]      netlink_unicast+0x449/0x710
[ 4937.763925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.763925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.763925][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.763925][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.763925][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.763925][   T10] 
[ 4937.766136][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.766136][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4937.766136][   T10]      ipv6_find_idev+0x102/0x170
[ 4937.766136][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4937.766136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.766136][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.766136][   T10]      netlink_unicast+0x449/0x710
[ 4937.766136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.766136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.766136][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.766136][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.766136][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.766136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.766136][   T10] 
[ 4937.767872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4937.767872][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4937.767872][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4937.767872][   T10]      ipv6_find_idev+0x102/0x170
[ 4937.767872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4937.767872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.767872][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.767872][   T10]      netlink_unicast+0x449/0x710
[ 4937.767872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.767872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.767872][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.767872][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.767872][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.767872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.767872][   T10] 
[ 4937.769828][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4937.770103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.770103][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4937.770103][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4937.770103][   T10]      fib6_nh_init+0xa22/0x1580
[ 4937.770103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.770103][   T10]      ip6_route_add+0x1c/0x140
[ 4937.770103][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4937.770103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.770103][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.770103][   T10]      netlink_unicast+0x449/0x710
[ 4937.770103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.770103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.770103][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.770103][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.770103][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.770103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.770103][   T10] 
[ 4937.772262][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.772262][   T10]      dst_init+0x84/0x4a0
[ 4937.772262][   T10]      dst_alloc+0x97/0x150
[ 4937.772262][   T10]      ip6_dst_alloc+0x23/0x90
[ 4937.772262][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4937.772262][   T10]      ip6_pol_route+0x56f/0x840
[ 4937.772262][   T10]      fib6_rule_lookup+0x456/0x630
[ 4937.772262][   T10]      ip6_route_input+0x59c/0xa50
[ 4937.772262][   T10]      ipv6_rcv+0x397/0x810
[ 4937.772262][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4937.772262][   T10]      process_backlog+0x101/0x620
[ 4937.772262][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4937.772262][   T10]      net_rx_action+0x495/0xbe0
[ 4937.772262][   T10]      __do_softirq+0x1b5/0x7f6
[ 4937.772262][   T10] 
[ 4937.774199][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.774199][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.774199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.774199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.774199][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4937.774199][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4937.774199][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4937.774199][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4937.774199][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4937.774199][   T10]      addrconf_dad_begin+0x310/0x670
[ 4937.774199][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4937.774199][   T10]      process_one_work+0x84d/0x18a0
[ 4937.774199][   T10]      worker_thread+0x587/0xd30
[ 4937.774199][   T10]      kthread+0x28a/0x350
[ 4937.774199][   T10]      ret_from_fork+0x31/0x70
[ 4937.774199][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4937.774199][   T10] 
[ 4937.776365][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.776365][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.776365][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.776365][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.776365][   T10]      ip6_route_add+0x1c/0x140
[ 4937.776365][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4937.776365][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4937.776365][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.776365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.776365][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.776365][   T10]      netlink_unicast+0x449/0x710
[ 4937.776365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.776365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.776365][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.776365][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.776365][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.776365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.776365][   T10] 
[ 4937.778631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.778631][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.778631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.778631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.778631][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4937.778631][   T10]      ipv6_add_addr+0x411/0x2000
[ 4937.778631][   T10]      inet6_addr_add+0x30e/0xa40
[ 4937.778631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.778631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.778631][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.778631][   T10]      netlink_unicast+0x449/0x710
[ 4937.778631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.778631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.778631][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.778631][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.778631][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.778631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.778631][   T10] 
[ 4937.780924][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.780924][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.780924][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.780924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.780924][   T10]      ip6_route_add+0x1c/0x140
[ 4937.780924][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4937.780924][   T10]      addrconf_add_dev+0xe2/0x170
[ 4937.780924][   T10]      inet6_addr_add+0x12f/0xa40
[ 4937.780924][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.780924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.780924][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.780924][   T10]      netlink_unicast+0x449/0x710
[ 4937.780924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.780924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.780924][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.780924][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.780924][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.780924][   T10] 
[ 4937.783352][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.783352][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4937.783352][   T10]      ipv6_find_idev+0x102/0x170
[ 4937.783352][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4937.783352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.783352][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.783352][   T10]      netlink_unicast+0x449/0x710
[ 4937.783352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.783352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.783352][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.783352][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.783352][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.783352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.783352][   T10] 
[ 4937.785271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4937.785271][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4937.785271][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4937.785271][   T10]      ipv6_find_idev+0x102/0x170
[ 4937.785271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4937.785271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.785271][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.785271][   T10]      netlink_unicast+0x449/0x710
[ 4937.785271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.785271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.785271][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.785271][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.785271][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.785271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.785271][   T10] 
[ 4937.787445][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4937.787724][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4937.787724][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.787724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.787724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.787724][   T10]      ip6_route_add+0x1c/0x140
[ 4937.787724][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4937.787724][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4937.787724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.787724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.787724][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.787724][   T10]      netlink_unicast+0x449/0x710
[ 4937.787724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.787724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.787724][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.787724][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.787724][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.787724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.787724][   T10] 
[ 4937.790225][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4937.790225][   T10]      netdev_get_by_index+0x5e/0x80
[ 4937.790225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4937.790225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4937.790225][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4937.790225][   T10]      ipv6_add_addr+0x411/0x2000
[ 4937.790225][   T10]      inet6_addr_add+0x30e/0xa40
[ 4937.790225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4937.790225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.790225][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.790225][   T10]      netlink_unicast+0x449/0x710
[ 4937.790225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.790225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.790225][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.790225][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.790225][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.790225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.790225][   T10] 
[ 4937.792724][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4937.792724][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4937.792724][   T10]      ipv6_find_idev+0x102/0x170
[ 4937.792724][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4937.792724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.792724][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.792724][   T10]      netlink_unicast+0x449/0x710
[ 4937.792724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.792724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.792724][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.792724][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.792724][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.792724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.792724][   T10] 
[ 4937.794745][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4937.794745][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4937.794745][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4937.794745][   T10]      ipv6_find_idev+0x102/0x170
[ 4937.794745][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4937.794745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4937.794745][   T10]      netlink_rcv_skb+0x130/0x360
[ 4937.794745][   T10]      netlink_unicast+0x449/0x710
[ 4937.794745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4937.794745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4937.794745][   T10]      ___sys_sendmsg+0xee/0x170
[ 4937.794745][   T10]      __sys_sendmsg+0xcd/0x170
[ 4937.794745][   T10]      do_syscall_64+0xc6/0x1e0
[ 4937.794745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4937.794745][   T10] 
[ 4947.840719][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4947.841222][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.841222][   T10]      dst_init+0x84/0x4a0
[ 4947.841222][   T10]      dst_alloc+0x97/0x150
[ 4947.841222][   T10]      ip6_dst_alloc+0x23/0x90
[ 4947.841222][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4947.841222][   T10]      ip6_pol_route+0x56f/0x840
[ 4947.841222][   T10]      fib6_rule_lookup+0x456/0x630
[ 4947.841222][   T10]      ip6_route_input+0x59c/0xa50
[ 4947.841222][   T10]      ipv6_rcv+0x397/0x810
[ 4947.841222][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4947.841222][   T10]      process_backlog+0x101/0x620
[ 4947.841222][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4947.841222][   T10]      net_rx_action+0x495/0xbe0
[ 4947.841222][   T10]      __do_softirq+0x1b5/0x7f6
[ 4947.841222][   T10] 
[ 4947.843130][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.843130][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4947.843130][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4947.843130][   T10]      fib6_nh_init+0xa22/0x1580
[ 4947.843130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.843130][   T10]      ip6_route_add+0x1c/0x140
[ 4947.843130][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4947.843130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.843130][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.843130][   T10]      netlink_unicast+0x449/0x710
[ 4947.843130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.843130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.843130][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.843130][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.843130][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.843130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.843130][   T10] 
[ 4947.845265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.845265][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.845265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.845265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.845265][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4947.845265][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4947.845265][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4947.845265][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4947.845265][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4947.845265][   T10]      addrconf_dad_begin+0x310/0x670
[ 4947.845265][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4947.845265][   T10]      process_one_work+0x84d/0x18a0
[ 4947.845265][   T10]      worker_thread+0x587/0xd30
[ 4947.845265][   T10]      kthread+0x28a/0x350
[ 4947.845265][   T10]      ret_from_fork+0x31/0x70
[ 4947.845265][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4947.845265][   T10] 
[ 4947.847454][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.847454][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.847454][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.847454][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.847454][   T10]      ip6_route_add+0x1c/0x140
[ 4947.847454][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4947.847454][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4947.847454][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.847454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.847454][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.847454][   T10]      netlink_unicast+0x449/0x710
[ 4947.847454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.847454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.847454][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.847454][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.847454][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.847454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.847454][   T10] 
[ 4947.849730][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.849730][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.849730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.849730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.849730][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4947.849730][   T10]      ipv6_add_addr+0x411/0x2000
[ 4947.849730][   T10]      inet6_addr_add+0x30e/0xa40
[ 4947.849730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.849730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.849730][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.849730][   T10]      netlink_unicast+0x449/0x710
[ 4947.849730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.849730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.849730][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.849730][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.849730][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.849730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.849730][   T10] 
[ 4947.852004][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.852004][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.852004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.852004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.852004][   T10]      ip6_route_add+0x1c/0x140
[ 4947.852004][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4947.852004][   T10]      addrconf_add_dev+0xe2/0x170
[ 4947.852004][   T10]      inet6_addr_add+0x12f/0xa40
[ 4947.852004][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.852004][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.852004][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.852004][   T10]      netlink_unicast+0x449/0x710
[ 4947.852004][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.852004][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.852004][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.852004][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.852004][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.852004][   T10] 
[ 4947.854244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.854244][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4947.854244][   T10]      ipv6_find_idev+0x102/0x170
[ 4947.854244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4947.854244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.854244][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.854244][   T10]      netlink_unicast+0x449/0x710
[ 4947.854244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.854244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.854244][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.854244][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.854244][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.854244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.854244][   T10] 
[ 4947.856003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4947.856003][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4947.856003][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4947.856003][   T10]      ipv6_find_idev+0x102/0x170
[ 4947.856003][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4947.856003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.856003][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.856003][   T10]      netlink_unicast+0x449/0x710
[ 4947.856003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.856003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.856003][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.856003][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.856003][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.856003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.856003][   T10] 
[ 4947.857956][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4947.858223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.858223][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4947.858223][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4947.858223][   T10]      fib6_nh_init+0xa22/0x1580
[ 4947.858223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.858223][   T10]      ip6_route_add+0x1c/0x140
[ 4947.858223][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4947.858223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.858223][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.858223][   T10]      netlink_unicast+0x449/0x710
[ 4947.858223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.858223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.858223][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.858223][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.858223][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.858223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.858223][   T10] 
[ 4947.860360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.860360][   T10]      dst_init+0x84/0x4a0
[ 4947.860360][   T10]      dst_alloc+0x97/0x150
[ 4947.860360][   T10]      ip6_dst_alloc+0x23/0x90
[ 4947.860360][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4947.860360][   T10]      ip6_pol_route+0x56f/0x840
[ 4947.860360][   T10]      fib6_rule_lookup+0x456/0x630
[ 4947.860360][   T10]      ip6_route_input+0x59c/0xa50
[ 4947.860360][   T10]      ipv6_rcv+0x397/0x810
[ 4947.860360][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4947.860360][   T10]      process_backlog+0x101/0x620
[ 4947.860360][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4947.860360][   T10]      net_rx_action+0x495/0xbe0
[ 4947.860360][   T10]      __do_softirq+0x1b5/0x7f6
[ 4947.860360][   T10] 
[ 4947.862222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.862222][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.862222][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.862222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.862222][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4947.862222][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4947.862222][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4947.862222][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4947.862222][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4947.862222][   T10]      addrconf_dad_begin+0x310/0x670
[ 4947.862222][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4947.862222][   T10]      process_one_work+0x84d/0x18a0
[ 4947.862222][   T10]      worker_thread+0x587/0xd30
[ 4947.862222][   T10]      kthread+0x28a/0x350
[ 4947.862222][   T10]      ret_from_fork+0x31/0x70
[ 4947.862222][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4947.862222][   T10] 
[ 4947.864396][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.864396][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.864396][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.864396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.864396][   T10]      ip6_route_add+0x1c/0x140
[ 4947.864396][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4947.864396][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4947.864396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.864396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.864396][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.864396][   T10]      netlink_unicast+0x449/0x710
[ 4947.864396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.864396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.864396][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.864396][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.864396][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.864396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.864396][   T10] 
[ 4947.866667][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.866667][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.866667][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.866667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.866667][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4947.866667][   T10]      ipv6_add_addr+0x411/0x2000
[ 4947.866667][   T10]      inet6_addr_add+0x30e/0xa40
[ 4947.866667][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.866667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.866667][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.866667][   T10]      netlink_unicast+0x449/0x710
[ 4947.866667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.866667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.866667][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.866667][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.866667][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.866667][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.866667][   T10] 
[ 4947.868951][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.868951][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.868951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.868951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.868951][   T10]      ip6_route_add+0x1c/0x140
[ 4947.868951][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4947.868951][   T10]      addrconf_add_dev+0xe2/0x170
[ 4947.868951][   T10]      inet6_addr_add+0x12f/0xa40
[ 4947.868951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.868951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.868951][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.868951][   T10]      netlink_unicast+0x449/0x710
[ 4947.868951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.868951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.868951][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.868951][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.868951][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.868951][   T10] 
[ 4947.871361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.871361][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4947.871361][   T10]      ipv6_find_idev+0x102/0x170
[ 4947.871361][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4947.871361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.871361][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.871361][   T10]      netlink_unicast+0x449/0x710
[ 4947.871361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.871361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.871361][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.871361][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.871361][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.871361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.871361][   T10] 
[ 4947.873363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4947.873363][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4947.873363][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4947.873363][   T10]      ipv6_find_idev+0x102/0x170
[ 4947.873363][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4947.873363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.873363][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.873363][   T10]      netlink_unicast+0x449/0x710
[ 4947.873363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.873363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.873363][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.873363][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.873363][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.873363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.873363][   T10] 
[ 4947.875464][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4947.875745][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4947.875745][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.875745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.875745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.875745][   T10]      ip6_route_add+0x1c/0x140
[ 4947.875745][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4947.875745][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4947.875745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.875745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.875745][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.875745][   T10]      netlink_unicast+0x449/0x710
[ 4947.875745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.875745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.875745][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.875745][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.875745][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.875745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.875745][   T10] 
[ 4947.878251][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4947.878251][   T10]      netdev_get_by_index+0x5e/0x80
[ 4947.878251][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4947.878251][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4947.878251][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4947.878251][   T10]      ipv6_add_addr+0x411/0x2000
[ 4947.878251][   T10]      inet6_addr_add+0x30e/0xa40
[ 4947.878251][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4947.878251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.878251][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.878251][   T10]      netlink_unicast+0x449/0x710
[ 4947.878251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.878251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.878251][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.878251][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.878251][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.878251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.878251][   T10] 
[ 4947.880745][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4947.880745][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4947.880745][   T10]      ipv6_find_idev+0x102/0x170
[ 4947.880745][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4947.880745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.880745][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.880745][   T10]      netlink_unicast+0x449/0x710
[ 4947.880745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.880745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.880745][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.880745][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.880745][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.880745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.880745][   T10] 
[ 4947.882720][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4947.882720][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4947.882720][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4947.882720][   T10]      ipv6_find_idev+0x102/0x170
[ 4947.882720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4947.882720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4947.882720][   T10]      netlink_rcv_skb+0x130/0x360
[ 4947.882720][   T10]      netlink_unicast+0x449/0x710
[ 4947.882720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4947.882720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4947.882720][   T10]      ___sys_sendmsg+0xee/0x170
[ 4947.882720][   T10]      __sys_sendmsg+0xcd/0x170
[ 4947.882720][   T10]      do_syscall_64+0xc6/0x1e0
[ 4947.882720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4947.882720][   T10] 
[ 4958.120705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4958.121174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.121174][   T10]      dst_init+0x84/0x4a0
[ 4958.121174][   T10]      dst_alloc+0x97/0x150
[ 4958.121174][   T10]      ip6_dst_alloc+0x23/0x90
[ 4958.121174][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4958.121174][   T10]      ip6_pol_route+0x56f/0x840
[ 4958.121174][   T10]      fib6_rule_lookup+0x456/0x630
[ 4958.121174][   T10]      ip6_route_input+0x59c/0xa50
[ 4958.121174][   T10]      ipv6_rcv+0x397/0x810
[ 4958.121174][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4958.121174][   T10]      process_backlog+0x101/0x620
[ 4958.121174][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4958.121174][   T10]      net_rx_action+0x495/0xbe0
[ 4958.121174][   T10]      __do_softirq+0x1b5/0x7f6
[ 4958.121174][   T10] 
[ 4958.122875][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.122875][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4958.122875][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4958.122875][   T10]      fib6_nh_init+0xa22/0x1580
[ 4958.122875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.122875][   T10]      ip6_route_add+0x1c/0x140
[ 4958.122875][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4958.122875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.122875][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.122875][   T10]      netlink_unicast+0x449/0x710
[ 4958.122875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.122875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.122875][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.122875][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.122875][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.122875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.122875][   T10] 
[ 4958.124794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.124794][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.124794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.124794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.124794][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4958.124794][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4958.124794][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4958.124794][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4958.124794][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4958.124794][   T10]      addrconf_dad_begin+0x310/0x670
[ 4958.124794][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4958.124794][   T10]      process_one_work+0x84d/0x18a0
[ 4958.124794][   T10]      worker_thread+0x587/0xd30
[ 4958.124794][   T10]      kthread+0x28a/0x350
[ 4958.124794][   T10]      ret_from_fork+0x31/0x70
[ 4958.124794][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4958.124794][   T10] 
[ 4958.126727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.126727][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.126727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.126727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.126727][   T10]      ip6_route_add+0x1c/0x140
[ 4958.126727][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4958.126727][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4958.126727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.126727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.126727][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.126727][   T10]      netlink_unicast+0x449/0x710
[ 4958.126727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.126727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.126727][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.126727][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.126727][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.126727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.126727][   T10] 
[ 4958.128757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.128757][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.128757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.128757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.128757][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4958.128757][   T10]      ipv6_add_addr+0x411/0x2000
[ 4958.128757][   T10]      inet6_addr_add+0x30e/0xa40
[ 4958.128757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.128757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.128757][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.128757][   T10]      netlink_unicast+0x449/0x710
[ 4958.128757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.128757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.128757][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.128757][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.128757][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.128757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.128757][   T10] 
[ 4958.130792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.130792][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.130792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.130792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.130792][   T10]      ip6_route_add+0x1c/0x140
[ 4958.130792][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4958.130792][   T10]      addrconf_add_dev+0xe2/0x170
[ 4958.130792][   T10]      inet6_addr_add+0x12f/0xa40
[ 4958.130792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.130792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.130792][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.130792][   T10]      netlink_unicast+0x449/0x710
[ 4958.130792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.130792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.130792][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.130792][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.130792][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.130792][   T10] 
[ 4958.132904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.132904][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4958.132904][   T10]      ipv6_find_idev+0x102/0x170
[ 4958.132904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4958.132904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.132904][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.132904][   T10]      netlink_unicast+0x449/0x710
[ 4958.132904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.132904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.132904][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.132904][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.132904][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.132904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.132904][   T10] 
[ 4958.134462][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4958.134462][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4958.134462][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4958.134462][   T10]      ipv6_find_idev+0x102/0x170
[ 4958.134462][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4958.134462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.134462][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.134462][   T10]      netlink_unicast+0x449/0x710
[ 4958.134462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.134462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.134462][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.134462][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.134462][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.134462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.134462][   T10] 
[ 4958.136211][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4958.136456][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.136456][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4958.136456][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4958.136456][   T10]      fib6_nh_init+0xa22/0x1580
[ 4958.136456][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.136456][   T10]      ip6_route_add+0x1c/0x140
[ 4958.136456][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4958.136456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.136456][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.136456][   T10]      netlink_unicast+0x449/0x710
[ 4958.136456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.136456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.136456][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.136456][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.136456][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.136456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.136456][   T10] 
[ 4958.138367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.138367][   T10]      dst_init+0x84/0x4a0
[ 4958.138367][   T10]      dst_alloc+0x97/0x150
[ 4958.138367][   T10]      ip6_dst_alloc+0x23/0x90
[ 4958.138367][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4958.138367][   T10]      ip6_pol_route+0x56f/0x840
[ 4958.138367][   T10]      fib6_rule_lookup+0x456/0x630
[ 4958.138367][   T10]      ip6_route_input+0x59c/0xa50
[ 4958.138367][   T10]      ipv6_rcv+0x397/0x810
[ 4958.138367][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4958.138367][   T10]      process_backlog+0x101/0x620
[ 4958.138367][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4958.138367][   T10]      net_rx_action+0x495/0xbe0
[ 4958.138367][   T10]      __do_softirq+0x1b5/0x7f6
[ 4958.138367][   T10] 
[ 4958.140023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.140023][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.140023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.140023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.140023][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4958.140023][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4958.140023][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4958.140023][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4958.140023][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4958.140023][   T10]      addrconf_dad_begin+0x310/0x670
[ 4958.140023][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4958.140023][   T10]      process_one_work+0x84d/0x18a0
[ 4958.140023][   T10]      worker_thread+0x587/0xd30
[ 4958.140023][   T10]      kthread+0x28a/0x350
[ 4958.140023][   T10]      ret_from_fork+0x31/0x70
[ 4958.140023][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4958.140023][   T10] 
[ 4958.141957][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.141957][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.141957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.141957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.141957][   T10]      ip6_route_add+0x1c/0x140
[ 4958.141957][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4958.141957][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4958.141957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.141957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.141957][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.141957][   T10]      netlink_unicast+0x449/0x710
[ 4958.141957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.141957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.141957][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.141957][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.141957][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.141957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.141957][   T10] 
[ 4958.144012][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.144012][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.144012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.144012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.144012][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4958.144012][   T10]      ipv6_add_addr+0x411/0x2000
[ 4958.144012][   T10]      inet6_addr_add+0x30e/0xa40
[ 4958.144012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.144012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.144012][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.144012][   T10]      netlink_unicast+0x449/0x710
[ 4958.144012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.144012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.144012][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.144012][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.144012][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.144012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.144012][   T10] 
[ 4958.146040][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.146040][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.146040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.146040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.146040][   T10]      ip6_route_add+0x1c/0x140
[ 4958.146040][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4958.146040][   T10]      addrconf_add_dev+0xe2/0x170
[ 4958.146040][   T10]      inet6_addr_add+0x12f/0xa40
[ 4958.146040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.146040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.146040][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.146040][   T10]      netlink_unicast+0x449/0x710
[ 4958.146040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.146040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.146040][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.146040][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.146040][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.146040][   T10] 
[ 4958.148224][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.148224][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4958.148224][   T10]      ipv6_find_idev+0x102/0x170
[ 4958.148224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4958.148224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.148224][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.148224][   T10]      netlink_unicast+0x449/0x710
[ 4958.148224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.148224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.148224][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.148224][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.148224][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.148224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.148224][   T10] 
[ 4958.149962][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4958.149962][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4958.149962][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4958.149962][   T10]      ipv6_find_idev+0x102/0x170
[ 4958.149962][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4958.149962][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.149962][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.149962][   T10]      netlink_unicast+0x449/0x710
[ 4958.149962][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.149962][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.149962][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.149962][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.149962][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.149962][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.149962][   T10] 
[ 4958.151938][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4958.152180][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4958.152180][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.152180][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.152180][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.152180][   T10]      ip6_route_add+0x1c/0x140
[ 4958.152180][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4958.152180][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4958.152180][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.152180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.152180][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.152180][   T10]      netlink_unicast+0x449/0x710
[ 4958.152180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.152180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.152180][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.152180][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.152180][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.152180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.152180][   T10] 
[ 4958.154463][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4958.154463][   T10]      netdev_get_by_index+0x5e/0x80
[ 4958.154463][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4958.154463][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4958.154463][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4958.154463][   T10]      ipv6_add_addr+0x411/0x2000
[ 4958.154463][   T10]      inet6_addr_add+0x30e/0xa40
[ 4958.154463][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4958.154463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.154463][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.154463][   T10]      netlink_unicast+0x449/0x710
[ 4958.154463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.154463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.154463][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.154463][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.154463][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.154463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.154463][   T10] 
[ 4958.156722][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4958.156722][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4958.156722][   T10]      ipv6_find_idev+0x102/0x170
[ 4958.156722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4958.156722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.156722][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.156722][   T10]      netlink_unicast+0x449/0x710
[ 4958.156722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.156722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.156722][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.156722][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.156722][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.156722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.156722][   T10] 
[ 4958.158465][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4958.158465][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4958.158465][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4958.158465][   T10]      ipv6_find_idev+0x102/0x170
[ 4958.158465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4958.158465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4958.158465][   T10]      netlink_rcv_skb+0x130/0x360
[ 4958.158465][   T10]      netlink_unicast+0x449/0x710
[ 4958.158465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4958.158465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4958.158465][   T10]      ___sys_sendmsg+0xee/0x170
[ 4958.158465][   T10]      __sys_sendmsg+0xcd/0x170
[ 4958.158465][   T10]      do_syscall_64+0xc6/0x1e0
[ 4958.158465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4958.158465][   T10] 
[ 4968.400712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4968.401161][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.401161][   T10]      dst_init+0x84/0x4a0
[ 4968.401161][   T10]      dst_alloc+0x97/0x150
[ 4968.401161][   T10]      ip6_dst_alloc+0x23/0x90
[ 4968.401161][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4968.401161][   T10]      ip6_pol_route+0x56f/0x840
[ 4968.401161][   T10]      fib6_rule_lookup+0x456/0x630
[ 4968.401161][   T10]      ip6_route_input+0x59c/0xa50
[ 4968.401161][   T10]      ipv6_rcv+0x397/0x810
[ 4968.401161][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4968.401161][   T10]      process_backlog+0x101/0x620
[ 4968.401161][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4968.401161][   T10]      net_rx_action+0x495/0xbe0
[ 4968.401161][   T10]      __do_softirq+0x1b5/0x7f6
[ 4968.401161][   T10] 
[ 4968.402859][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.402859][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4968.402859][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4968.402859][   T10]      fib6_nh_init+0xa22/0x1580
[ 4968.402859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.402859][   T10]      ip6_route_add+0x1c/0x140
[ 4968.402859][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4968.402859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.402859][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.402859][   T10]      netlink_unicast+0x449/0x710
[ 4968.402859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.402859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.402859][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.402859][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.402859][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.402859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.402859][   T10] 
[ 4968.404749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.404749][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.404749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.404749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.404749][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4968.404749][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4968.404749][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4968.404749][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4968.404749][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4968.404749][   T10]      addrconf_dad_begin+0x310/0x670
[ 4968.404749][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4968.404749][   T10]      process_one_work+0x84d/0x18a0
[ 4968.404749][   T10]      worker_thread+0x587/0xd30
[ 4968.404749][   T10]      kthread+0x28a/0x350
[ 4968.404749][   T10]      ret_from_fork+0x31/0x70
[ 4968.404749][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4968.404749][   T10] 
[ 4968.406687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.406687][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.406687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.406687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.406687][   T10]      ip6_route_add+0x1c/0x140
[ 4968.406687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4968.406687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4968.406687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.406687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.406687][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.406687][   T10]      netlink_unicast+0x449/0x710
[ 4968.406687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.406687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.406687][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.406687][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.406687][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.406687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.406687][   T10] 
[ 4968.408703][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.408703][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.408703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.408703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.408703][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4968.408703][   T10]      ipv6_add_addr+0x411/0x2000
[ 4968.408703][   T10]      inet6_addr_add+0x30e/0xa40
[ 4968.408703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.408703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.408703][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.408703][   T10]      netlink_unicast+0x449/0x710
[ 4968.408703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.408703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.408703][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.408703][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.408703][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.408703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.408703][   T10] 
[ 4968.410735][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.410735][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.410735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.410735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.410735][   T10]      ip6_route_add+0x1c/0x140
[ 4968.410735][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4968.410735][   T10]      addrconf_add_dev+0xe2/0x170
[ 4968.410735][   T10]      inet6_addr_add+0x12f/0xa40
[ 4968.410735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.410735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.410735][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.410735][   T10]      netlink_unicast+0x449/0x710
[ 4968.410735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.410735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.410735][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.410735][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.410735][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.410735][   T10] 
[ 4968.412721][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.412721][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4968.412721][   T10]      ipv6_find_idev+0x102/0x170
[ 4968.412721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4968.412721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.412721][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.412721][   T10]      netlink_unicast+0x449/0x710
[ 4968.412721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.412721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.412721][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.412721][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.412721][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.412721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.412721][   T10] 
[ 4968.414281][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4968.414281][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4968.414281][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4968.414281][   T10]      ipv6_find_idev+0x102/0x170
[ 4968.414281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4968.414281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.414281][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.414281][   T10]      netlink_unicast+0x449/0x710
[ 4968.414281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.414281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.414281][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.414281][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.414281][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.414281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.414281][   T10] 
[ 4968.415996][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4968.416244][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.416244][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4968.416244][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4968.416244][   T10]      fib6_nh_init+0xa22/0x1580
[ 4968.416244][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.416244][   T10]      ip6_route_add+0x1c/0x140
[ 4968.416244][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4968.416244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.416244][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.416244][   T10]      netlink_unicast+0x449/0x710
[ 4968.416244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.416244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.416244][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.416244][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.416244][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.416244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.416244][   T10] 
[ 4968.418137][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.418137][   T10]      dst_init+0x84/0x4a0
[ 4968.418137][   T10]      dst_alloc+0x97/0x150
[ 4968.418137][   T10]      ip6_dst_alloc+0x23/0x90
[ 4968.418137][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4968.418137][   T10]      ip6_pol_route+0x56f/0x840
[ 4968.418137][   T10]      fib6_rule_lookup+0x456/0x630
[ 4968.418137][   T10]      ip6_route_input+0x59c/0xa50
[ 4968.418137][   T10]      ipv6_rcv+0x397/0x810
[ 4968.418137][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4968.418137][   T10]      process_backlog+0x101/0x620
[ 4968.418137][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4968.418137][   T10]      net_rx_action+0x495/0xbe0
[ 4968.418137][   T10]      __do_softirq+0x1b5/0x7f6
[ 4968.418137][   T10] 
[ 4968.419774][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.419774][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.419774][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.419774][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.419774][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4968.419774][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4968.419774][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4968.419774][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4968.419774][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4968.419774][   T10]      addrconf_dad_begin+0x310/0x670
[ 4968.419774][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4968.419774][   T10]      process_one_work+0x84d/0x18a0
[ 4968.419774][   T10]      worker_thread+0x587/0xd30
[ 4968.419774][   T10]      kthread+0x28a/0x350
[ 4968.419774][   T10]      ret_from_fork+0x31/0x70
[ 4968.419774][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4968.419774][   T10] 
[ 4968.421694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.421694][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.421694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.421694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.421694][   T10]      ip6_route_add+0x1c/0x140
[ 4968.421694][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4968.421694][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4968.421694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.421694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.421694][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.421694][   T10]      netlink_unicast+0x449/0x710
[ 4968.421694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.421694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.421694][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.421694][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.421694][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.421694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.421694][   T10] 
[ 4968.423706][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.423706][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.423706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.423706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.423706][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4968.423706][   T10]      ipv6_add_addr+0x411/0x2000
[ 4968.423706][   T10]      inet6_addr_add+0x30e/0xa40
[ 4968.423706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.423706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.423706][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.423706][   T10]      netlink_unicast+0x449/0x710
[ 4968.423706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.423706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.423706][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.423706][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.423706][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.423706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.423706][   T10] 
[ 4968.425716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.425716][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.425716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.425716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.425716][   T10]      ip6_route_add+0x1c/0x140
[ 4968.425716][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4968.425716][   T10]      addrconf_add_dev+0xe2/0x170
[ 4968.425716][   T10]      inet6_addr_add+0x12f/0xa40
[ 4968.425716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.425716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.425716][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.425716][   T10]      netlink_unicast+0x449/0x710
[ 4968.425716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.425716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.425716][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.425716][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.425716][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.425716][   T10] 
[ 4968.427830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.427830][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4968.427830][   T10]      ipv6_find_idev+0x102/0x170
[ 4968.427830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4968.427830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.427830][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.427830][   T10]      netlink_unicast+0x449/0x710
[ 4968.427830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.427830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.427830][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.427830][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.427830][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.427830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.427830][   T10] 
[ 4968.429437][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4968.429437][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4968.429437][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4968.429437][   T10]      ipv6_find_idev+0x102/0x170
[ 4968.429437][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4968.429437][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.429437][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.429437][   T10]      netlink_unicast+0x449/0x710
[ 4968.429437][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.429437][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.429437][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.429437][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.429437][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.429437][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.429437][   T10] 
[ 4968.431309][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4968.431629][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4968.431629][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.431629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.431629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.431629][   T10]      ip6_route_add+0x1c/0x140
[ 4968.431629][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4968.431629][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4968.431629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.431629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.431629][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.431629][   T10]      netlink_unicast+0x449/0x710
[ 4968.431629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.431629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.431629][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.431629][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.431629][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.431629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.431629][   T10] 
[ 4968.433824][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4968.433824][   T10]      netdev_get_by_index+0x5e/0x80
[ 4968.433824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4968.433824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4968.433824][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4968.433824][   T10]      ipv6_add_addr+0x411/0x2000
[ 4968.433824][   T10]      inet6_addr_add+0x30e/0xa40
[ 4968.433824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4968.433824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.433824][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.433824][   T10]      netlink_unicast+0x449/0x710
[ 4968.433824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.433824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.433824][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.433824][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.433824][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.433824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.433824][   T10] 
[ 4968.436075][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4968.436075][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4968.436075][   T10]      ipv6_find_idev+0x102/0x170
[ 4968.436075][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4968.436075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.436075][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.436075][   T10]      netlink_unicast+0x449/0x710
[ 4968.436075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.436075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.436075][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.436075][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.436075][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.436075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.436075][   T10] 
[ 4968.437858][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4968.437858][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4968.437858][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4968.437858][   T10]      ipv6_find_idev+0x102/0x170
[ 4968.437858][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4968.437858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4968.437858][   T10]      netlink_rcv_skb+0x130/0x360
[ 4968.437858][   T10]      netlink_unicast+0x449/0x710
[ 4968.437858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4968.437858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4968.437858][   T10]      ___sys_sendmsg+0xee/0x170
[ 4968.437858][   T10]      __sys_sendmsg+0xcd/0x170
[ 4968.437858][   T10]      do_syscall_64+0xc6/0x1e0
[ 4968.437858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4968.437858][   T10] 
[ 4978.840879][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4978.841379][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.841379][   T10]      dst_init+0x84/0x4a0
[ 4978.841379][   T10]      dst_alloc+0x97/0x150
[ 4978.841379][   T10]      ip6_dst_alloc+0x23/0x90
[ 4978.841379][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4978.841379][   T10]      ip6_pol_route+0x56f/0x840
[ 4978.841379][   T10]      fib6_rule_lookup+0x456/0x630
[ 4978.841379][   T10]      ip6_route_input+0x59c/0xa50
[ 4978.841379][   T10]      ipv6_rcv+0x397/0x810
[ 4978.841379][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4978.841379][   T10]      process_backlog+0x101/0x620
[ 4978.841379][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4978.841379][   T10]      net_rx_action+0x495/0xbe0
[ 4978.841379][   T10]      __do_softirq+0x1b5/0x7f6
[ 4978.841379][   T10] 
[ 4978.843013][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.843013][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4978.843013][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4978.843013][   T10]      fib6_nh_init+0xa22/0x1580
[ 4978.843013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.843013][   T10]      ip6_route_add+0x1c/0x140
[ 4978.843013][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4978.843013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.843013][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.843013][   T10]      netlink_unicast+0x449/0x710
[ 4978.843013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.843013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.843013][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.843013][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.843013][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.843013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.843013][   T10] 
[ 4978.844856][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.844856][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.844856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.844856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.844856][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4978.844856][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4978.844856][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4978.844856][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4978.844856][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4978.844856][   T10]      addrconf_dad_begin+0x310/0x670
[ 4978.844856][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4978.844856][   T10]      process_one_work+0x84d/0x18a0
[ 4978.844856][   T10]      worker_thread+0x587/0xd30
[ 4978.844856][   T10]      kthread+0x28a/0x350
[ 4978.844856][   T10]      ret_from_fork+0x31/0x70
[ 4978.844856][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4978.844856][   T10] 
[ 4978.846732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.846732][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.846732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.846732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.846732][   T10]      ip6_route_add+0x1c/0x140
[ 4978.846732][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4978.846732][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4978.846732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.846732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.846732][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.846732][   T10]      netlink_unicast+0x449/0x710
[ 4978.846732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.846732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.846732][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.846732][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.846732][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.846732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.846732][   T10] 
[ 4978.848738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.848738][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.848738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.848738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.848738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4978.848738][   T10]      ipv6_add_addr+0x411/0x2000
[ 4978.848738][   T10]      inet6_addr_add+0x30e/0xa40
[ 4978.848738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.848738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.848738][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.848738][   T10]      netlink_unicast+0x449/0x710
[ 4978.848738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.848738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.848738][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.848738][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.848738][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.848738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.848738][   T10] 
[ 4978.850665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.850665][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.850665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.850665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.850665][   T10]      ip6_route_add+0x1c/0x140
[ 4978.850665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4978.850665][   T10]      addrconf_add_dev+0xe2/0x170
[ 4978.850665][   T10]      inet6_addr_add+0x12f/0xa40
[ 4978.850665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.850665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.850665][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.850665][   T10]      netlink_unicast+0x449/0x710
[ 4978.850665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.850665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.850665][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.850665][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.850665][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.850665][   T10] 
[ 4978.852557][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.852557][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4978.852557][   T10]      ipv6_find_idev+0x102/0x170
[ 4978.852557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4978.852557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.852557][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.852557][   T10]      netlink_unicast+0x449/0x710
[ 4978.852557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.852557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.852557][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.852557][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.852557][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.852557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.852557][   T10] 
[ 4978.854016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4978.854016][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4978.854016][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4978.854016][   T10]      ipv6_find_idev+0x102/0x170
[ 4978.854016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4978.854016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.854016][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.854016][   T10]      netlink_unicast+0x449/0x710
[ 4978.854016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.854016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.854016][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.854016][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.854016][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.854016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.854016][   T10] 
[ 4978.855672][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4978.855931][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.855931][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4978.855931][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4978.855931][   T10]      fib6_nh_init+0xa22/0x1580
[ 4978.855931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.855931][   T10]      ip6_route_add+0x1c/0x140
[ 4978.855931][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4978.855931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.855931][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.855931][   T10]      netlink_unicast+0x449/0x710
[ 4978.855931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.855931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.855931][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.855931][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.855931][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.855931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.855931][   T10] 
[ 4978.857800][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.857800][   T10]      dst_init+0x84/0x4a0
[ 4978.857800][   T10]      dst_alloc+0x97/0x150
[ 4978.857800][   T10]      ip6_dst_alloc+0x23/0x90
[ 4978.857800][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4978.857800][   T10]      ip6_pol_route+0x56f/0x840
[ 4978.857800][   T10]      fib6_rule_lookup+0x456/0x630
[ 4978.857800][   T10]      ip6_route_input+0x59c/0xa50
[ 4978.857800][   T10]      ipv6_rcv+0x397/0x810
[ 4978.857800][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4978.857800][   T10]      process_backlog+0x101/0x620
[ 4978.857800][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4978.857800][   T10]      net_rx_action+0x495/0xbe0
[ 4978.857800][   T10]      __do_softirq+0x1b5/0x7f6
[ 4978.857800][   T10] 
[ 4978.859453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.859453][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.859453][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.859453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.859453][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4978.859453][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4978.859453][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4978.859453][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4978.859453][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4978.859453][   T10]      addrconf_dad_begin+0x310/0x670
[ 4978.859453][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4978.859453][   T10]      process_one_work+0x84d/0x18a0
[ 4978.859453][   T10]      worker_thread+0x587/0xd30
[ 4978.859453][   T10]      kthread+0x28a/0x350
[ 4978.859453][   T10]      ret_from_fork+0x31/0x70
[ 4978.859453][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4978.859453][   T10] 
[ 4978.861333][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.861333][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.861333][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.861333][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.861333][   T10]      ip6_route_add+0x1c/0x140
[ 4978.861333][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4978.861333][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4978.861333][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.861333][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.861333][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.861333][   T10]      netlink_unicast+0x449/0x710
[ 4978.861333][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.861333][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.861333][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.861333][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.861333][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.861333][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.861333][   T10] 
[ 4978.863370][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.863370][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.863370][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.863370][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.863370][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4978.863370][   T10]      ipv6_add_addr+0x411/0x2000
[ 4978.863370][   T10]      inet6_addr_add+0x30e/0xa40
[ 4978.863370][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.863370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.863370][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.863370][   T10]      netlink_unicast+0x449/0x710
[ 4978.863370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.863370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.863370][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.863370][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.863370][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.863370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.863370][   T10] 
[ 4978.865360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.865360][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.865360][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.865360][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.865360][   T10]      ip6_route_add+0x1c/0x140
[ 4978.865360][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4978.865360][   T10]      addrconf_add_dev+0xe2/0x170
[ 4978.865360][   T10]      inet6_addr_add+0x12f/0xa40
[ 4978.865360][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.865360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.865360][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.865360][   T10]      netlink_unicast+0x449/0x710
[ 4978.865360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.865360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.865360][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.865360][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.865360][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.865360][   T10] 
[ 4978.867484][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.867484][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4978.867484][   T10]      ipv6_find_idev+0x102/0x170
[ 4978.867484][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4978.867484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.867484][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.867484][   T10]      netlink_unicast+0x449/0x710
[ 4978.867484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.867484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.867484][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.867484][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.867484][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.867484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.867484][   T10] 
[ 4978.869186][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4978.869186][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4978.869186][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4978.869186][   T10]      ipv6_find_idev+0x102/0x170
[ 4978.869186][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4978.869186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.869186][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.869186][   T10]      netlink_unicast+0x449/0x710
[ 4978.869186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.869186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.869186][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.869186][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.869186][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.869186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.869186][   T10] 
[ 4978.871151][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4978.871393][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4978.871393][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.871393][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.871393][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.871393][   T10]      ip6_route_add+0x1c/0x140
[ 4978.871393][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4978.871393][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4978.871393][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.871393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.871393][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.871393][   T10]      netlink_unicast+0x449/0x710
[ 4978.871393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.871393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.871393][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.871393][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.871393][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.871393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.871393][   T10] 
[ 4978.873602][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4978.873602][   T10]      netdev_get_by_index+0x5e/0x80
[ 4978.873602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4978.873602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4978.873602][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4978.873602][   T10]      ipv6_add_addr+0x411/0x2000
[ 4978.873602][   T10]      inet6_addr_add+0x30e/0xa40
[ 4978.873602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4978.873602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.873602][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.873602][   T10]      netlink_unicast+0x449/0x710
[ 4978.873602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.873602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.873602][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.873602][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.873602][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.873602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.873602][   T10] 
[ 4978.875815][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4978.875815][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4978.875815][   T10]      ipv6_find_idev+0x102/0x170
[ 4978.875815][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4978.875815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.875815][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.875815][   T10]      netlink_unicast+0x449/0x710
[ 4978.875815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.875815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.875815][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.875815][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.875815][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.875815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.875815][   T10] 
[ 4978.877489][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4978.877489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4978.877489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4978.877489][   T10]      ipv6_find_idev+0x102/0x170
[ 4978.877489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4978.877489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4978.877489][   T10]      netlink_rcv_skb+0x130/0x360
[ 4978.877489][   T10]      netlink_unicast+0x449/0x710
[ 4978.877489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4978.877489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4978.877489][   T10]      ___sys_sendmsg+0xee/0x170
[ 4978.877489][   T10]      __sys_sendmsg+0xcd/0x170
[ 4978.877489][   T10]      do_syscall_64+0xc6/0x1e0
[ 4978.877489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4978.877489][   T10] 
[ 4989.128706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4989.129152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.129152][   T10]      dst_init+0x84/0x4a0
[ 4989.129152][   T10]      dst_alloc+0x97/0x150
[ 4989.129152][   T10]      ip6_dst_alloc+0x23/0x90
[ 4989.129152][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4989.129152][   T10]      ip6_pol_route+0x56f/0x840
[ 4989.129152][   T10]      fib6_rule_lookup+0x456/0x630
[ 4989.129152][   T10]      ip6_route_input+0x59c/0xa50
[ 4989.129152][   T10]      ipv6_rcv+0x397/0x810
[ 4989.129152][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4989.129152][   T10]      process_backlog+0x101/0x620
[ 4989.129152][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4989.129152][   T10]      net_rx_action+0x495/0xbe0
[ 4989.129152][   T10]      __do_softirq+0x1b5/0x7f6
[ 4989.129152][   T10] 
[ 4989.130823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.130823][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4989.130823][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4989.130823][   T10]      fib6_nh_init+0xa22/0x1580
[ 4989.130823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.130823][   T10]      ip6_route_add+0x1c/0x140
[ 4989.130823][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4989.130823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.130823][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.130823][   T10]      netlink_unicast+0x449/0x710
[ 4989.130823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.130823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.130823][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.130823][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.130823][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.130823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.130823][   T10] 
[ 4989.132710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.132710][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.132710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.132710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.132710][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4989.132710][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4989.132710][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4989.132710][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4989.132710][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4989.132710][   T10]      addrconf_dad_begin+0x310/0x670
[ 4989.132710][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4989.132710][   T10]      process_one_work+0x84d/0x18a0
[ 4989.132710][   T10]      worker_thread+0x587/0xd30
[ 4989.132710][   T10]      kthread+0x28a/0x350
[ 4989.132710][   T10]      ret_from_fork+0x31/0x70
[ 4989.132710][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4989.132710][   T10] 
[ 4989.134626][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.134626][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.134626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.134626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.134626][   T10]      ip6_route_add+0x1c/0x140
[ 4989.134626][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4989.134626][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4989.134626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.134626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.134626][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.134626][   T10]      netlink_unicast+0x449/0x710
[ 4989.134626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.134626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.134626][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.134626][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.134626][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.134626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.134626][   T10] 
[ 4989.136633][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.136633][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.136633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.136633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.136633][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4989.136633][   T10]      ipv6_add_addr+0x411/0x2000
[ 4989.136633][   T10]      inet6_addr_add+0x30e/0xa40
[ 4989.136633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.136633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.136633][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.136633][   T10]      netlink_unicast+0x449/0x710
[ 4989.136633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.136633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.136633][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.136633][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.136633][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.136633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.136633][   T10] 
[ 4989.138653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.138653][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.138653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.138653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.138653][   T10]      ip6_route_add+0x1c/0x140
[ 4989.138653][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4989.138653][   T10]      addrconf_add_dev+0xe2/0x170
[ 4989.138653][   T10]      inet6_addr_add+0x12f/0xa40
[ 4989.138653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.138653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.138653][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.138653][   T10]      netlink_unicast+0x449/0x710
[ 4989.138653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.138653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.138653][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.138653][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.138653][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.138653][   T10] 
[ 4989.140621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.140621][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4989.140621][   T10]      ipv6_find_idev+0x102/0x170
[ 4989.140621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4989.140621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.140621][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.140621][   T10]      netlink_unicast+0x449/0x710
[ 4989.140621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.140621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.140621][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.140621][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.140621][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.140621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.140621][   T10] 
[ 4989.142192][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4989.142192][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4989.142192][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4989.142192][   T10]      ipv6_find_idev+0x102/0x170
[ 4989.142192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4989.142192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.142192][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.142192][   T10]      netlink_unicast+0x449/0x710
[ 4989.142192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.142192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.142192][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.142192][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.142192][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.142192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.142192][   T10] 
[ 4989.143900][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4989.144141][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.144141][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4989.144141][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4989.144141][   T10]      fib6_nh_init+0xa22/0x1580
[ 4989.144141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.144141][   T10]      ip6_route_add+0x1c/0x140
[ 4989.144141][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4989.144141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.144141][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.144141][   T10]      netlink_unicast+0x449/0x710
[ 4989.144141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.144141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.144141][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.144141][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.144141][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.144141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.144141][   T10] 
[ 4989.146038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.146038][   T10]      dst_init+0x84/0x4a0
[ 4989.146038][   T10]      dst_alloc+0x97/0x150
[ 4989.146038][   T10]      ip6_dst_alloc+0x23/0x90
[ 4989.146038][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4989.146038][   T10]      ip6_pol_route+0x56f/0x840
[ 4989.146038][   T10]      fib6_rule_lookup+0x456/0x630
[ 4989.146038][   T10]      ip6_route_input+0x59c/0xa50
[ 4989.146038][   T10]      ipv6_rcv+0x397/0x810
[ 4989.146038][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4989.146038][   T10]      process_backlog+0x101/0x620
[ 4989.146038][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4989.146038][   T10]      net_rx_action+0x495/0xbe0
[ 4989.146038][   T10]      __do_softirq+0x1b5/0x7f6
[ 4989.146038][   T10] 
[ 4989.147678][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.147678][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.147678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.147678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.147678][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4989.147678][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4989.147678][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4989.147678][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4989.147678][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4989.147678][   T10]      addrconf_dad_begin+0x310/0x670
[ 4989.147678][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4989.147678][   T10]      process_one_work+0x84d/0x18a0
[ 4989.147678][   T10]      worker_thread+0x587/0xd30
[ 4989.147678][   T10]      kthread+0x28a/0x350
[ 4989.147678][   T10]      ret_from_fork+0x31/0x70
[ 4989.147678][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4989.147678][   T10] 
[ 4989.149591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.149591][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.149591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.149591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.149591][   T10]      ip6_route_add+0x1c/0x140
[ 4989.149591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4989.149591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4989.149591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.149591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.149591][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.149591][   T10]      netlink_unicast+0x449/0x710
[ 4989.149591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.149591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.149591][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.149591][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.149591][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.149591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.149591][   T10] 
[ 4989.151588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.151588][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.151588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.151588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.151588][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4989.151588][   T10]      ipv6_add_addr+0x411/0x2000
[ 4989.151588][   T10]      inet6_addr_add+0x30e/0xa40
[ 4989.151588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.151588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.151588][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.151588][   T10]      netlink_unicast+0x449/0x710
[ 4989.151588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.151588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.151588][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.151588][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.151588][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.151588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.151588][   T10] 
[ 4989.153601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.153601][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.153601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.153601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.153601][   T10]      ip6_route_add+0x1c/0x140
[ 4989.153601][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4989.153601][   T10]      addrconf_add_dev+0xe2/0x170
[ 4989.153601][   T10]      inet6_addr_add+0x12f/0xa40
[ 4989.153601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.153601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.153601][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.153601][   T10]      netlink_unicast+0x449/0x710
[ 4989.153601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.153601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.153601][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.153601][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.153601][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.153601][   T10] 
[ 4989.155757][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.155757][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4989.155757][   T10]      ipv6_find_idev+0x102/0x170
[ 4989.155757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4989.155757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.155757][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.155757][   T10]      netlink_unicast+0x449/0x710
[ 4989.155757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.155757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.155757][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.155757][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.155757][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.155757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.155757][   T10] 
[ 4989.157561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4989.157561][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4989.157561][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4989.157561][   T10]      ipv6_find_idev+0x102/0x170
[ 4989.157561][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4989.157561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.157561][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.157561][   T10]      netlink_unicast+0x449/0x710
[ 4989.157561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.157561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.157561][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.157561][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.157561][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.157561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.157561][   T10] 
[ 4989.159429][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4989.159751][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4989.159751][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.159751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.159751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.159751][   T10]      ip6_route_add+0x1c/0x140
[ 4989.159751][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4989.159751][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4989.159751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.159751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.159751][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.159751][   T10]      netlink_unicast+0x449/0x710
[ 4989.159751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.159751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.159751][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.159751][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.159751][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.159751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.159751][   T10] 
[ 4989.161935][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4989.161935][   T10]      netdev_get_by_index+0x5e/0x80
[ 4989.161935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4989.161935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4989.161935][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4989.161935][   T10]      ipv6_add_addr+0x411/0x2000
[ 4989.161935][   T10]      inet6_addr_add+0x30e/0xa40
[ 4989.161935][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4989.161935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.161935][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.161935][   T10]      netlink_unicast+0x449/0x710
[ 4989.161935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.161935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.161935][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.161935][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.161935][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.161935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.161935][   T10] 
[ 4989.164118][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4989.164118][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4989.164118][   T10]      ipv6_find_idev+0x102/0x170
[ 4989.164118][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4989.164118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.164118][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.164118][   T10]      netlink_unicast+0x449/0x710
[ 4989.164118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.164118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.164118][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.164118][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.164118][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.164118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.164118][   T10] 
[ 4989.165900][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4989.165900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4989.165900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4989.165900][   T10]      ipv6_find_idev+0x102/0x170
[ 4989.165900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4989.165900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4989.165900][   T10]      netlink_rcv_skb+0x130/0x360
[ 4989.165900][   T10]      netlink_unicast+0x449/0x710
[ 4989.165900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4989.165900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4989.165900][   T10]      ___sys_sendmsg+0xee/0x170
[ 4989.165900][   T10]      __sys_sendmsg+0xcd/0x170
[ 4989.165900][   T10]      do_syscall_64+0xc6/0x1e0
[ 4989.165900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4989.165900][   T10] 
[ 4999.320705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4999.321240][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.321240][   T10]      dst_init+0x84/0x4a0
[ 4999.321240][   T10]      dst_alloc+0x97/0x150
[ 4999.321240][   T10]      ip6_dst_alloc+0x23/0x90
[ 4999.321240][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4999.321240][   T10]      ip6_pol_route+0x56f/0x840
[ 4999.321240][   T10]      fib6_rule_lookup+0x456/0x630
[ 4999.321240][   T10]      ip6_route_input+0x59c/0xa50
[ 4999.321240][   T10]      ipv6_rcv+0x397/0x810
[ 4999.321240][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4999.321240][   T10]      process_backlog+0x101/0x620
[ 4999.321240][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4999.321240][   T10]      net_rx_action+0x495/0xbe0
[ 4999.321240][   T10]      __do_softirq+0x1b5/0x7f6
[ 4999.321240][   T10] 
[ 4999.322918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.322918][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4999.322918][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4999.322918][   T10]      fib6_nh_init+0xa22/0x1580
[ 4999.322918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.322918][   T10]      ip6_route_add+0x1c/0x140
[ 4999.322918][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4999.322918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.322918][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.322918][   T10]      netlink_unicast+0x449/0x710
[ 4999.322918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.322918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.322918][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.322918][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.322918][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.322918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.322918][   T10] 
[ 4999.324814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.324814][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.324814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.324814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.324814][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4999.324814][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4999.324814][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4999.324814][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4999.324814][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4999.324814][   T10]      addrconf_dad_begin+0x310/0x670
[ 4999.324814][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4999.324814][   T10]      process_one_work+0x84d/0x18a0
[ 4999.324814][   T10]      worker_thread+0x587/0xd30
[ 4999.324814][   T10]      kthread+0x28a/0x350
[ 4999.324814][   T10]      ret_from_fork+0x31/0x70
[ 4999.324814][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4999.324814][   T10] 
[ 4999.326692][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.326692][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.326692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.326692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.326692][   T10]      ip6_route_add+0x1c/0x140
[ 4999.326692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4999.326692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4999.326692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.326692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.326692][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.326692][   T10]      netlink_unicast+0x449/0x710
[ 4999.326692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.326692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.326692][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.326692][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.326692][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.326692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.326692][   T10] 
[ 4999.328711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.328711][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.328711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.328711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.328711][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4999.328711][   T10]      ipv6_add_addr+0x411/0x2000
[ 4999.328711][   T10]      inet6_addr_add+0x30e/0xa40
[ 4999.328711][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.328711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.328711][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.328711][   T10]      netlink_unicast+0x449/0x710
[ 4999.328711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.328711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.328711][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.328711][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.328711][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.328711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.328711][   T10] 
[ 4999.330856][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.330856][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.330856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.330856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.330856][   T10]      ip6_route_add+0x1c/0x140
[ 4999.330856][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4999.330856][   T10]      addrconf_add_dev+0xe2/0x170
[ 4999.330856][   T10]      inet6_addr_add+0x12f/0xa40
[ 4999.330856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.330856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.330856][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.330856][   T10]      netlink_unicast+0x449/0x710
[ 4999.330856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.330856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.330856][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.330856][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.330856][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.330856][   T10] 
[ 4999.332840][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.332840][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4999.332840][   T10]      ipv6_find_idev+0x102/0x170
[ 4999.332840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4999.332840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.332840][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.332840][   T10]      netlink_unicast+0x449/0x710
[ 4999.332840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.332840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.332840][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.332840][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.332840][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.332840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.332840][   T10] 
[ 4999.334392][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 4999.334392][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4999.334392][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4999.334392][   T10]      ipv6_find_idev+0x102/0x170
[ 4999.334392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4999.334392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.334392][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.334392][   T10]      netlink_unicast+0x449/0x710
[ 4999.334392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.334392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.334392][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.334392][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.334392][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.334392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.334392][   T10] 
[ 4999.336079][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 4999.336336][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.336336][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 4999.336336][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 4999.336336][   T10]      fib6_nh_init+0xa22/0x1580
[ 4999.336336][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.336336][   T10]      ip6_route_add+0x1c/0x140
[ 4999.336336][   T10]      inet6_rtm_newroute+0x104/0x110
[ 4999.336336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.336336][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.336336][   T10]      netlink_unicast+0x449/0x710
[ 4999.336336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.336336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.336336][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.336336][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.336336][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.336336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.336336][   T10] 
[ 4999.338201][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.338201][   T10]      dst_init+0x84/0x4a0
[ 4999.338201][   T10]      dst_alloc+0x97/0x150
[ 4999.338201][   T10]      ip6_dst_alloc+0x23/0x90
[ 4999.338201][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 4999.338201][   T10]      ip6_pol_route+0x56f/0x840
[ 4999.338201][   T10]      fib6_rule_lookup+0x456/0x630
[ 4999.338201][   T10]      ip6_route_input+0x59c/0xa50
[ 4999.338201][   T10]      ipv6_rcv+0x397/0x810
[ 4999.338201][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 4999.338201][   T10]      process_backlog+0x101/0x620
[ 4999.338201][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 4999.338201][   T10]      net_rx_action+0x495/0xbe0
[ 4999.338201][   T10]      __do_softirq+0x1b5/0x7f6
[ 4999.338201][   T10] 
[ 4999.339846][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.339846][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.339846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.339846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.339846][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 4999.339846][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 4999.339846][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 4999.339846][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 4999.339846][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 4999.339846][   T10]      addrconf_dad_begin+0x310/0x670
[ 4999.339846][   T10]      addrconf_dad_work+0x10b/0xab0
[ 4999.339846][   T10]      process_one_work+0x84d/0x18a0
[ 4999.339846][   T10]      worker_thread+0x587/0xd30
[ 4999.339846][   T10]      kthread+0x28a/0x350
[ 4999.339846][   T10]      ret_from_fork+0x31/0x70
[ 4999.339846][   T10]      ret_from_fork_asm+0x1a/0x30
[ 4999.339846][   T10] 
[ 4999.341767][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.341767][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.341767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.341767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.341767][   T10]      ip6_route_add+0x1c/0x140
[ 4999.341767][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4999.341767][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4999.341767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.341767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.341767][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.341767][   T10]      netlink_unicast+0x449/0x710
[ 4999.341767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.341767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.341767][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.341767][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.341767][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.341767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.341767][   T10] 
[ 4999.343767][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.343767][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.343767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.343767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.343767][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4999.343767][   T10]      ipv6_add_addr+0x411/0x2000
[ 4999.343767][   T10]      inet6_addr_add+0x30e/0xa40
[ 4999.343767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.343767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.343767][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.343767][   T10]      netlink_unicast+0x449/0x710
[ 4999.343767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.343767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.343767][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.343767][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.343767][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.343767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.343767][   T10] 
[ 4999.345768][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.345768][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.345768][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.345768][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.345768][   T10]      ip6_route_add+0x1c/0x140
[ 4999.345768][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 4999.345768][   T10]      addrconf_add_dev+0xe2/0x170
[ 4999.345768][   T10]      inet6_addr_add+0x12f/0xa40
[ 4999.345768][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.345768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.345768][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.345768][   T10]      netlink_unicast+0x449/0x710
[ 4999.345768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.345768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.345768][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.345768][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.345768][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.345768][   T10] 
[ 4999.347921][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.347921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4999.347921][   T10]      ipv6_find_idev+0x102/0x170
[ 4999.347921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4999.347921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.347921][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.347921][   T10]      netlink_unicast+0x449/0x710
[ 4999.347921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.347921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.347921][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.347921][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.347921][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.347921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.347921][   T10] 
[ 4999.349646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 4999.349646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4999.349646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4999.349646][   T10]      ipv6_find_idev+0x102/0x170
[ 4999.349646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4999.349646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.349646][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.349646][   T10]      netlink_unicast+0x449/0x710
[ 4999.349646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.349646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.349646][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.349646][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.349646][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.349646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.349646][   T10] 
[ 4999.351573][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 4999.351892][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4999.351892][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.351892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.351892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.351892][   T10]      ip6_route_add+0x1c/0x140
[ 4999.351892][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 4999.351892][   T10]      inet6_addr_add+0x4f8/0xa40
[ 4999.351892][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.351892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.351892][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.351892][   T10]      netlink_unicast+0x449/0x710
[ 4999.351892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.351892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.351892][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.351892][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.351892][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.351892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.351892][   T10] 
[ 4999.354082][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4999.354082][   T10]      netdev_get_by_index+0x5e/0x80
[ 4999.354082][   T10]      fib6_nh_init+0x3d8/0x1580
[ 4999.354082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 4999.354082][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 4999.354082][   T10]      ipv6_add_addr+0x411/0x2000
[ 4999.354082][   T10]      inet6_addr_add+0x30e/0xa40
[ 4999.354082][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 4999.354082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.354082][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.354082][   T10]      netlink_unicast+0x449/0x710
[ 4999.354082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.354082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.354082][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.354082][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.354082][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.354082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.354082][   T10] 
[ 4999.356321][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4999.356321][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 4999.356321][   T10]      ipv6_find_idev+0x102/0x170
[ 4999.356321][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4999.356321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.356321][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.356321][   T10]      netlink_unicast+0x449/0x710
[ 4999.356321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.356321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.356321][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.356321][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.356321][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.356321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.356321][   T10] 
[ 4999.358041][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 4999.358041][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 4999.358041][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 4999.358041][   T10]      ipv6_find_idev+0x102/0x170
[ 4999.358041][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 4999.358041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 4999.358041][   T10]      netlink_rcv_skb+0x130/0x360
[ 4999.358041][   T10]      netlink_unicast+0x449/0x710
[ 4999.358041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 4999.358041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 4999.358041][   T10]      ___sys_sendmsg+0xee/0x170
[ 4999.358041][   T10]      __sys_sendmsg+0xcd/0x170
[ 4999.358041][   T10]      do_syscall_64+0xc6/0x1e0
[ 4999.358041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 4999.358041][   T10] 
[ 5009.376690][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5009.377153][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.377153][   T10]      dst_init+0x84/0x4a0
[ 5009.377153][   T10]      dst_alloc+0x97/0x150
[ 5009.377153][   T10]      ip6_dst_alloc+0x23/0x90
[ 5009.377153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5009.377153][   T10]      ip6_pol_route+0x56f/0x840
[ 5009.377153][   T10]      fib6_rule_lookup+0x456/0x630
[ 5009.377153][   T10]      ip6_route_input+0x59c/0xa50
[ 5009.377153][   T10]      ipv6_rcv+0x397/0x810
[ 5009.377153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5009.377153][   T10]      process_backlog+0x101/0x620
[ 5009.377153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5009.377153][   T10]      net_rx_action+0x495/0xbe0
[ 5009.377153][   T10]      __do_softirq+0x1b5/0x7f6
[ 5009.377153][   T10] 
[ 5009.378816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.378816][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5009.378816][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5009.378816][   T10]      fib6_nh_init+0xa22/0x1580
[ 5009.378816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.378816][   T10]      ip6_route_add+0x1c/0x140
[ 5009.378816][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5009.378816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.378816][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.378816][   T10]      netlink_unicast+0x449/0x710
[ 5009.378816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.378816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.378816][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.378816][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.378816][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.378816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.378816][   T10] 
[ 5009.380707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.380707][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.380707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.380707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.380707][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5009.380707][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5009.380707][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5009.380707][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5009.380707][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5009.380707][   T10]      addrconf_dad_begin+0x310/0x670
[ 5009.380707][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5009.380707][   T10]      process_one_work+0x84d/0x18a0
[ 5009.380707][   T10]      worker_thread+0x587/0xd30
[ 5009.380707][   T10]      kthread+0x28a/0x350
[ 5009.380707][   T10]      ret_from_fork+0x31/0x70
[ 5009.380707][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5009.380707][   T10] 
[ 5009.382804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.382804][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.382804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.382804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.382804][   T10]      ip6_route_add+0x1c/0x140
[ 5009.382804][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5009.382804][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5009.382804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.382804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.382804][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.382804][   T10]      netlink_unicast+0x449/0x710
[ 5009.382804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.382804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.382804][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.382804][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.382804][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.382804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.382804][   T10] 
[ 5009.384813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.384813][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.384813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.384813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.384813][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5009.384813][   T10]      ipv6_add_addr+0x411/0x2000
[ 5009.384813][   T10]      inet6_addr_add+0x30e/0xa40
[ 5009.384813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.384813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.384813][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.384813][   T10]      netlink_unicast+0x449/0x710
[ 5009.384813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.384813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.384813][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.384813][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.384813][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.384813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.384813][   T10] 
[ 5009.386812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.386812][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.386812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.386812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.386812][   T10]      ip6_route_add+0x1c/0x140
[ 5009.386812][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5009.386812][   T10]      addrconf_add_dev+0xe2/0x170
[ 5009.386812][   T10]      inet6_addr_add+0x12f/0xa40
[ 5009.386812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.386812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.386812][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.386812][   T10]      netlink_unicast+0x449/0x710
[ 5009.386812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.386812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.386812][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.386812][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.386812][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.386812][   T10] 
[ 5009.388768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.388768][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5009.388768][   T10]      ipv6_find_idev+0x102/0x170
[ 5009.388768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5009.388768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.388768][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.388768][   T10]      netlink_unicast+0x449/0x710
[ 5009.388768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.388768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.388768][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.388768][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.388768][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.388768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.388768][   T10] 
[ 5009.390302][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5009.390302][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5009.390302][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5009.390302][   T10]      ipv6_find_idev+0x102/0x170
[ 5009.390302][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5009.390302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.390302][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.390302][   T10]      netlink_unicast+0x449/0x710
[ 5009.390302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.390302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.390302][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.390302][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.390302][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.390302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.390302][   T10] 
[ 5009.391984][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5009.392222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.392222][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5009.392222][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5009.392222][   T10]      fib6_nh_init+0xa22/0x1580
[ 5009.392222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.392222][   T10]      ip6_route_add+0x1c/0x140
[ 5009.392222][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5009.392222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.392222][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.392222][   T10]      netlink_unicast+0x449/0x710
[ 5009.392222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.392222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.392222][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.392222][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.392222][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.392222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.392222][   T10] 
[ 5009.394105][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.394105][   T10]      dst_init+0x84/0x4a0
[ 5009.394105][   T10]      dst_alloc+0x97/0x150
[ 5009.394105][   T10]      ip6_dst_alloc+0x23/0x90
[ 5009.394105][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5009.394105][   T10]      ip6_pol_route+0x56f/0x840
[ 5009.394105][   T10]      fib6_rule_lookup+0x456/0x630
[ 5009.394105][   T10]      ip6_route_input+0x59c/0xa50
[ 5009.394105][   T10]      ipv6_rcv+0x397/0x810
[ 5009.394105][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5009.394105][   T10]      process_backlog+0x101/0x620
[ 5009.394105][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5009.394105][   T10]      net_rx_action+0x495/0xbe0
[ 5009.394105][   T10]      __do_softirq+0x1b5/0x7f6
[ 5009.394105][   T10] 
[ 5009.395731][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.395731][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.395731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.395731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.395731][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5009.395731][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5009.395731][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5009.395731][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5009.395731][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5009.395731][   T10]      addrconf_dad_begin+0x310/0x670
[ 5009.395731][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5009.395731][   T10]      process_one_work+0x84d/0x18a0
[ 5009.395731][   T10]      worker_thread+0x587/0xd30
[ 5009.395731][   T10]      kthread+0x28a/0x350
[ 5009.395731][   T10]      ret_from_fork+0x31/0x70
[ 5009.395731][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5009.395731][   T10] 
[ 5009.397636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.397636][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.397636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.397636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.397636][   T10]      ip6_route_add+0x1c/0x140
[ 5009.397636][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5009.397636][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5009.397636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.397636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.397636][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.397636][   T10]      netlink_unicast+0x449/0x710
[ 5009.397636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.397636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.397636][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.397636][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.397636][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.397636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.397636][   T10] 
[ 5009.399631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.399631][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.399631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.399631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.399631][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5009.399631][   T10]      ipv6_add_addr+0x411/0x2000
[ 5009.399631][   T10]      inet6_addr_add+0x30e/0xa40
[ 5009.399631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.399631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.399631][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.399631][   T10]      netlink_unicast+0x449/0x710
[ 5009.399631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.399631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.399631][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.399631][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.399631][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.399631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.399631][   T10] 
[ 5009.401615][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.401615][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.401615][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.401615][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.401615][   T10]      ip6_route_add+0x1c/0x140
[ 5009.401615][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5009.401615][   T10]      addrconf_add_dev+0xe2/0x170
[ 5009.401615][   T10]      inet6_addr_add+0x12f/0xa40
[ 5009.401615][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.401615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.401615][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.401615][   T10]      netlink_unicast+0x449/0x710
[ 5009.401615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.401615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.401615][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.401615][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.401615][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.401615][   T10] 
[ 5009.403764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.403764][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5009.403764][   T10]      ipv6_find_idev+0x102/0x170
[ 5009.403764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5009.403764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.403764][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.403764][   T10]      netlink_unicast+0x449/0x710
[ 5009.403764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.403764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.403764][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.403764][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.403764][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.403764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.403764][   T10] 
[ 5009.405542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5009.405542][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5009.405542][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5009.405542][   T10]      ipv6_find_idev+0x102/0x170
[ 5009.405542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5009.405542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.405542][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.405542][   T10]      netlink_unicast+0x449/0x710
[ 5009.405542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.405542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.405542][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.405542][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.405542][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.405542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.405542][   T10] 
[ 5009.407414][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5009.407728][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5009.407728][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.407728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.407728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.407728][   T10]      ip6_route_add+0x1c/0x140
[ 5009.407728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5009.407728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5009.407728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.407728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.407728][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.407728][   T10]      netlink_unicast+0x449/0x710
[ 5009.407728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.407728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.407728][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.407728][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.407728][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.407728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.407728][   T10] 
[ 5009.409905][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5009.409905][   T10]      netdev_get_by_index+0x5e/0x80
[ 5009.409905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5009.409905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5009.409905][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5009.409905][   T10]      ipv6_add_addr+0x411/0x2000
[ 5009.409905][   T10]      inet6_addr_add+0x30e/0xa40
[ 5009.409905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5009.409905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.409905][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.409905][   T10]      netlink_unicast+0x449/0x710
[ 5009.409905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.409905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.409905][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.409905][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.409905][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.409905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.409905][   T10] 
[ 5009.412070][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5009.412070][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5009.412070][   T10]      ipv6_find_idev+0x102/0x170
[ 5009.412070][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5009.412070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.412070][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.412070][   T10]      netlink_unicast+0x449/0x710
[ 5009.412070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.412070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.412070][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.412070][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.412070][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.412070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.412070][   T10] 
[ 5009.413859][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5009.413859][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5009.413859][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5009.413859][   T10]      ipv6_find_idev+0x102/0x170
[ 5009.413859][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5009.413859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5009.413859][   T10]      netlink_rcv_skb+0x130/0x360
[ 5009.413859][   T10]      netlink_unicast+0x449/0x710
[ 5009.413859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5009.413859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5009.413859][   T10]      ___sys_sendmsg+0xee/0x170
[ 5009.413859][   T10]      __sys_sendmsg+0xcd/0x170
[ 5009.413859][   T10]      do_syscall_64+0xc6/0x1e0
[ 5009.413859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5009.413859][   T10] 
[ 5019.432683][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5019.433137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.433137][   T10]      dst_init+0x84/0x4a0
[ 5019.433137][   T10]      dst_alloc+0x97/0x150
[ 5019.433137][   T10]      ip6_dst_alloc+0x23/0x90
[ 5019.433137][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5019.433137][   T10]      ip6_pol_route+0x56f/0x840
[ 5019.433137][   T10]      fib6_rule_lookup+0x456/0x630
[ 5019.433137][   T10]      ip6_route_input+0x59c/0xa50
[ 5019.433137][   T10]      ipv6_rcv+0x397/0x810
[ 5019.433137][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5019.433137][   T10]      process_backlog+0x101/0x620
[ 5019.433137][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5019.433137][   T10]      net_rx_action+0x495/0xbe0
[ 5019.433137][   T10]      __do_softirq+0x1b5/0x7f6
[ 5019.433137][   T10] 
[ 5019.434811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.434811][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5019.434811][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5019.434811][   T10]      fib6_nh_init+0xa22/0x1580
[ 5019.434811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.434811][   T10]      ip6_route_add+0x1c/0x140
[ 5019.434811][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5019.434811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.434811][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.434811][   T10]      netlink_unicast+0x449/0x710
[ 5019.434811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.434811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.434811][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.434811][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.434811][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.434811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.434811][   T10] 
[ 5019.436739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.436739][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.436739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.436739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.436739][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5019.436739][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5019.436739][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5019.436739][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5019.436739][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5019.436739][   T10]      addrconf_dad_begin+0x310/0x670
[ 5019.436739][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5019.436739][   T10]      process_one_work+0x84d/0x18a0
[ 5019.436739][   T10]      worker_thread+0x587/0xd30
[ 5019.436739][   T10]      kthread+0x28a/0x350
[ 5019.436739][   T10]      ret_from_fork+0x31/0x70
[ 5019.436739][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5019.436739][   T10] 
[ 5019.438669][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.438669][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.438669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.438669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.438669][   T10]      ip6_route_add+0x1c/0x140
[ 5019.438669][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5019.438669][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5019.438669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.438669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.438669][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.438669][   T10]      netlink_unicast+0x449/0x710
[ 5019.438669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.438669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.438669][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.438669][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.438669][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.438669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.438669][   T10] 
[ 5019.440686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.440686][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.440686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.440686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.440686][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5019.440686][   T10]      ipv6_add_addr+0x411/0x2000
[ 5019.440686][   T10]      inet6_addr_add+0x30e/0xa40
[ 5019.440686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.440686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.440686][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.440686][   T10]      netlink_unicast+0x449/0x710
[ 5019.440686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.440686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.440686][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.440686][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.440686][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.440686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.440686][   T10] 
[ 5019.442710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.442710][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.442710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.442710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.442710][   T10]      ip6_route_add+0x1c/0x140
[ 5019.442710][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5019.442710][   T10]      addrconf_add_dev+0xe2/0x170
[ 5019.442710][   T10]      inet6_addr_add+0x12f/0xa40
[ 5019.442710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.442710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.442710][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.442710][   T10]      netlink_unicast+0x449/0x710
[ 5019.442710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.442710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.442710][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.442710][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.442710][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.442710][   T10] 
[ 5019.444712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.444712][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5019.444712][   T10]      ipv6_find_idev+0x102/0x170
[ 5019.444712][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5019.444712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.444712][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.444712][   T10]      netlink_unicast+0x449/0x710
[ 5019.444712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.444712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.444712][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.444712][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.444712][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.444712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.444712][   T10] 
[ 5019.446265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5019.446265][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5019.446265][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5019.446265][   T10]      ipv6_find_idev+0x102/0x170
[ 5019.446265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5019.446265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.446265][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.446265][   T10]      netlink_unicast+0x449/0x710
[ 5019.446265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.446265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.446265][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.446265][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.446265][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.446265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.446265][   T10] 
[ 5019.447991][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5019.448231][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.448231][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5019.448231][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5019.448231][   T10]      fib6_nh_init+0xa22/0x1580
[ 5019.448231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.448231][   T10]      ip6_route_add+0x1c/0x140
[ 5019.448231][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5019.448231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.448231][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.448231][   T10]      netlink_unicast+0x449/0x710
[ 5019.448231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.448231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.448231][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.448231][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.448231][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.448231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.448231][   T10] 
[ 5019.450129][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.450129][   T10]      dst_init+0x84/0x4a0
[ 5019.450129][   T10]      dst_alloc+0x97/0x150
[ 5019.450129][   T10]      ip6_dst_alloc+0x23/0x90
[ 5019.450129][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5019.450129][   T10]      ip6_pol_route+0x56f/0x840
[ 5019.450129][   T10]      fib6_rule_lookup+0x456/0x630
[ 5019.450129][   T10]      ip6_route_input+0x59c/0xa50
[ 5019.450129][   T10]      ipv6_rcv+0x397/0x810
[ 5019.450129][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5019.450129][   T10]      process_backlog+0x101/0x620
[ 5019.450129][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5019.450129][   T10]      net_rx_action+0x495/0xbe0
[ 5019.450129][   T10]      __do_softirq+0x1b5/0x7f6
[ 5019.450129][   T10] 
[ 5019.451773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.451773][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.451773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.451773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.451773][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5019.451773][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5019.451773][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5019.451773][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5019.451773][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5019.451773][   T10]      addrconf_dad_begin+0x310/0x670
[ 5019.451773][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5019.451773][   T10]      process_one_work+0x84d/0x18a0
[ 5019.451773][   T10]      worker_thread+0x587/0xd30
[ 5019.451773][   T10]      kthread+0x28a/0x350
[ 5019.451773][   T10]      ret_from_fork+0x31/0x70
[ 5019.451773][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5019.451773][   T10] 
[ 5019.453719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.453719][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.453719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.453719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.453719][   T10]      ip6_route_add+0x1c/0x140
[ 5019.453719][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5019.453719][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5019.453719][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.453719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.453719][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.453719][   T10]      netlink_unicast+0x449/0x710
[ 5019.453719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.453719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.453719][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.453719][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.453719][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.453719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.453719][   T10] 
[ 5019.455757][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.455757][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.455757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.455757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.455757][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5019.455757][   T10]      ipv6_add_addr+0x411/0x2000
[ 5019.455757][   T10]      inet6_addr_add+0x30e/0xa40
[ 5019.455757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.455757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.455757][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.455757][   T10]      netlink_unicast+0x449/0x710
[ 5019.455757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.455757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.455757][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.455757][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.455757][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.455757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.455757][   T10] 
[ 5019.457790][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.457790][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.457790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.457790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.457790][   T10]      ip6_route_add+0x1c/0x140
[ 5019.457790][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5019.457790][   T10]      addrconf_add_dev+0xe2/0x170
[ 5019.457790][   T10]      inet6_addr_add+0x12f/0xa40
[ 5019.457790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.457790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.457790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.457790][   T10]      netlink_unicast+0x449/0x710
[ 5019.457790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.457790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.457790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.457790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.457790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.457790][   T10] 
[ 5019.459968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.459968][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5019.459968][   T10]      ipv6_find_idev+0x102/0x170
[ 5019.459968][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5019.459968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.459968][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.459968][   T10]      netlink_unicast+0x449/0x710
[ 5019.459968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.459968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.459968][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.459968][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.459968][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.459968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.459968][   T10] 
[ 5019.461711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5019.461711][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5019.461711][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5019.461711][   T10]      ipv6_find_idev+0x102/0x170
[ 5019.461711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5019.461711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.461711][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.461711][   T10]      netlink_unicast+0x449/0x710
[ 5019.461711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.461711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.461711][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.461711][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.461711][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.461711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.461711][   T10] 
[ 5019.463797][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5019.464039][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5019.464039][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.464039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.464039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.464039][   T10]      ip6_route_add+0x1c/0x140
[ 5019.464039][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5019.464039][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5019.464039][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.464039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.464039][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.464039][   T10]      netlink_unicast+0x449/0x710
[ 5019.464039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.464039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.464039][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.464039][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.464039][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.464039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.464039][   T10] 
[ 5019.466281][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5019.466281][   T10]      netdev_get_by_index+0x5e/0x80
[ 5019.466281][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5019.466281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5019.466281][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5019.466281][   T10]      ipv6_add_addr+0x411/0x2000
[ 5019.466281][   T10]      inet6_addr_add+0x30e/0xa40
[ 5019.466281][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5019.466281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.466281][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.466281][   T10]      netlink_unicast+0x449/0x710
[ 5019.466281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.466281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.466281][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.466281][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.466281][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.466281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.466281][   T10] 
[ 5019.468471][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5019.468471][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5019.468471][   T10]      ipv6_find_idev+0x102/0x170
[ 5019.468471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5019.468471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.468471][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.468471][   T10]      netlink_unicast+0x449/0x710
[ 5019.468471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.468471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.468471][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.468471][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.468471][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.468471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.468471][   T10] 
[ 5019.470205][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5019.470205][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5019.470205][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5019.470205][   T10]      ipv6_find_idev+0x102/0x170
[ 5019.470205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5019.470205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5019.470205][   T10]      netlink_rcv_skb+0x130/0x360
[ 5019.470205][   T10]      netlink_unicast+0x449/0x710
[ 5019.470205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5019.470205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5019.470205][   T10]      ___sys_sendmsg+0xee/0x170
[ 5019.470205][   T10]      __sys_sendmsg+0xcd/0x170
[ 5019.470205][   T10]      do_syscall_64+0xc6/0x1e0
[ 5019.470205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5019.470205][   T10] 
[ 5029.576648][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5029.577081][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.577081][   T10]      dst_init+0x84/0x4a0
[ 5029.577081][   T10]      dst_alloc+0x97/0x150
[ 5029.577081][   T10]      ip6_dst_alloc+0x23/0x90
[ 5029.577081][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5029.577081][   T10]      ip6_pol_route+0x56f/0x840
[ 5029.577081][   T10]      fib6_rule_lookup+0x456/0x630
[ 5029.577081][   T10]      ip6_route_input+0x59c/0xa50
[ 5029.577081][   T10]      ipv6_rcv+0x397/0x810
[ 5029.577081][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5029.577081][   T10]      process_backlog+0x101/0x620
[ 5029.577081][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5029.577081][   T10]      net_rx_action+0x495/0xbe0
[ 5029.577081][   T10]      __do_softirq+0x1b5/0x7f6
[ 5029.577081][   T10] 
[ 5029.578845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.578845][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5029.578845][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5029.578845][   T10]      fib6_nh_init+0xa22/0x1580
[ 5029.578845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.578845][   T10]      ip6_route_add+0x1c/0x140
[ 5029.578845][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5029.578845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.578845][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.578845][   T10]      netlink_unicast+0x449/0x710
[ 5029.578845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.578845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.578845][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.578845][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.578845][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.578845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.578845][   T10] 
[ 5029.580866][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.580866][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.580866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.580866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.580866][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5029.580866][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5029.580866][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5029.580866][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5029.580866][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5029.580866][   T10]      addrconf_dad_begin+0x310/0x670
[ 5029.580866][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5029.580866][   T10]      process_one_work+0x84d/0x18a0
[ 5029.580866][   T10]      worker_thread+0x587/0xd30
[ 5029.580866][   T10]      kthread+0x28a/0x350
[ 5029.580866][   T10]      ret_from_fork+0x31/0x70
[ 5029.580866][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5029.580866][   T10] 
[ 5029.582882][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.582882][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.582882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.582882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.582882][   T10]      ip6_route_add+0x1c/0x140
[ 5029.582882][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5029.582882][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5029.582882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.582882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.582882][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.582882][   T10]      netlink_unicast+0x449/0x710
[ 5029.582882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.582882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.582882][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.582882][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.582882][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.582882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.582882][   T10] 
[ 5029.585016][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.585016][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.585016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.585016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.585016][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5029.585016][   T10]      ipv6_add_addr+0x411/0x2000
[ 5029.585016][   T10]      inet6_addr_add+0x30e/0xa40
[ 5029.585016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.585016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.585016][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.585016][   T10]      netlink_unicast+0x449/0x710
[ 5029.585016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.585016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.585016][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.585016][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.585016][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.585016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.585016][   T10] 
[ 5029.587034][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.587034][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.587034][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.587034][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.587034][   T10]      ip6_route_add+0x1c/0x140
[ 5029.587034][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5029.587034][   T10]      addrconf_add_dev+0xe2/0x170
[ 5029.587034][   T10]      inet6_addr_add+0x12f/0xa40
[ 5029.587034][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.587034][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.587034][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.587034][   T10]      netlink_unicast+0x449/0x710
[ 5029.587034][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.587034][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.587034][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.587034][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.587034][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.587034][   T10] 
[ 5029.589005][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.589005][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5029.589005][   T10]      ipv6_find_idev+0x102/0x170
[ 5029.589005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5029.589005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.589005][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.589005][   T10]      netlink_unicast+0x449/0x710
[ 5029.589005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.589005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.589005][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.589005][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.589005][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.589005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.589005][   T10] 
[ 5029.590550][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5029.590550][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5029.590550][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5029.590550][   T10]      ipv6_find_idev+0x102/0x170
[ 5029.590550][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5029.590550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.590550][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.590550][   T10]      netlink_unicast+0x449/0x710
[ 5029.590550][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.590550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.590550][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.590550][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.590550][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.590550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.590550][   T10] 
[ 5029.592272][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5029.592559][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.592559][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5029.592559][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5029.592559][   T10]      fib6_nh_init+0xa22/0x1580
[ 5029.592559][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.592559][   T10]      ip6_route_add+0x1c/0x140
[ 5029.592559][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5029.592559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.592559][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.592559][   T10]      netlink_unicast+0x449/0x710
[ 5029.592559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.592559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.592559][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.592559][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.592559][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.592559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.592559][   T10] 
[ 5029.594532][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.594532][   T10]      dst_init+0x84/0x4a0
[ 5029.594532][   T10]      dst_alloc+0x97/0x150
[ 5029.594532][   T10]      ip6_dst_alloc+0x23/0x90
[ 5029.594532][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5029.594532][   T10]      ip6_pol_route+0x56f/0x840
[ 5029.594532][   T10]      fib6_rule_lookup+0x456/0x630
[ 5029.594532][   T10]      ip6_route_input+0x59c/0xa50
[ 5029.594532][   T10]      ipv6_rcv+0x397/0x810
[ 5029.594532][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5029.594532][   T10]      process_backlog+0x101/0x620
[ 5029.594532][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5029.594532][   T10]      net_rx_action+0x495/0xbe0
[ 5029.594532][   T10]      __do_softirq+0x1b5/0x7f6
[ 5029.594532][   T10] 
[ 5029.596299][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.596299][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.596299][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.596299][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.596299][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5029.596299][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5029.596299][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5029.596299][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5029.596299][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5029.596299][   T10]      addrconf_dad_begin+0x310/0x670
[ 5029.596299][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5029.596299][   T10]      process_one_work+0x84d/0x18a0
[ 5029.596299][   T10]      worker_thread+0x587/0xd30
[ 5029.596299][   T10]      kthread+0x28a/0x350
[ 5029.596299][   T10]      ret_from_fork+0x31/0x70
[ 5029.596299][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5029.596299][   T10] 
[ 5029.598301][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.598301][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.598301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.598301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.598301][   T10]      ip6_route_add+0x1c/0x140
[ 5029.598301][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5029.598301][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5029.598301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.598301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.598301][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.598301][   T10]      netlink_unicast+0x449/0x710
[ 5029.598301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.598301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.598301][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.598301][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.598301][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.598301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.598301][   T10] 
[ 5029.600430][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.600430][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.600430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.600430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.600430][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5029.600430][   T10]      ipv6_add_addr+0x411/0x2000
[ 5029.600430][   T10]      inet6_addr_add+0x30e/0xa40
[ 5029.600430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.600430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.600430][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.600430][   T10]      netlink_unicast+0x449/0x710
[ 5029.600430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.600430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.600430][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.600430][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.600430][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.600430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.600430][   T10] 
[ 5029.602452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.602452][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.602452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.602452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.602452][   T10]      ip6_route_add+0x1c/0x140
[ 5029.602452][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5029.602452][   T10]      addrconf_add_dev+0xe2/0x170
[ 5029.602452][   T10]      inet6_addr_add+0x12f/0xa40
[ 5029.602452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.602452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.602452][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.602452][   T10]      netlink_unicast+0x449/0x710
[ 5029.602452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.602452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.602452][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.602452][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.602452][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.602452][   T10] 
[ 5029.604753][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.604753][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5029.604753][   T10]      ipv6_find_idev+0x102/0x170
[ 5029.604753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5029.604753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.604753][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.604753][   T10]      netlink_unicast+0x449/0x710
[ 5029.604753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.604753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.604753][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.604753][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.604753][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.604753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.604753][   T10] 
[ 5029.606605][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5029.606605][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5029.606605][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5029.606605][   T10]      ipv6_find_idev+0x102/0x170
[ 5029.606605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5029.606605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.606605][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.606605][   T10]      netlink_unicast+0x449/0x710
[ 5029.606605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.606605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.606605][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.606605][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.606605][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.606605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.606605][   T10] 
[ 5029.608619][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5029.608894][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5029.608894][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.608894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.608894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.608894][   T10]      ip6_route_add+0x1c/0x140
[ 5029.608894][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5029.608894][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5029.608894][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.608894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.608894][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.608894][   T10]      netlink_unicast+0x449/0x710
[ 5029.608894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.608894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.608894][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.608894][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.608894][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.608894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.608894][   T10] 
[ 5029.611198][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5029.611198][   T10]      netdev_get_by_index+0x5e/0x80
[ 5029.611198][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5029.611198][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5029.611198][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5029.611198][   T10]      ipv6_add_addr+0x411/0x2000
[ 5029.611198][   T10]      inet6_addr_add+0x30e/0xa40
[ 5029.611198][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5029.611198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.611198][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.611198][   T10]      netlink_unicast+0x449/0x710
[ 5029.611198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.611198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.611198][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.611198][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.611198][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.611198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.611198][   T10] 
[ 5029.613482][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5029.613482][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5029.613482][   T10]      ipv6_find_idev+0x102/0x170
[ 5029.613482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5029.613482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.613482][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.613482][   T10]      netlink_unicast+0x449/0x710
[ 5029.613482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.613482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.613482][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.613482][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.613482][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.613482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.613482][   T10] 
[ 5029.615264][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5029.615264][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5029.615264][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5029.615264][   T10]      ipv6_find_idev+0x102/0x170
[ 5029.615264][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5029.615264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5029.615264][   T10]      netlink_rcv_skb+0x130/0x360
[ 5029.615264][   T10]      netlink_unicast+0x449/0x710
[ 5029.615264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5029.615264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5029.615264][   T10]      ___sys_sendmsg+0xee/0x170
[ 5029.615264][   T10]      __sys_sendmsg+0xcd/0x170
[ 5029.615264][   T10]      do_syscall_64+0xc6/0x1e0
[ 5029.615264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5029.615264][   T10] 
[ 5039.688697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5039.689165][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.689165][   T10]      dst_init+0x84/0x4a0
[ 5039.689165][   T10]      dst_alloc+0x97/0x150
[ 5039.689165][   T10]      ip6_dst_alloc+0x23/0x90
[ 5039.689165][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5039.689165][   T10]      ip6_pol_route+0x56f/0x840
[ 5039.689165][   T10]      fib6_rule_lookup+0x456/0x630
[ 5039.689165][   T10]      ip6_route_input+0x59c/0xa50
[ 5039.689165][   T10]      ipv6_rcv+0x397/0x810
[ 5039.689165][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5039.689165][   T10]      process_backlog+0x101/0x620
[ 5039.689165][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5039.689165][   T10]      net_rx_action+0x495/0xbe0
[ 5039.689165][   T10]      __do_softirq+0x1b5/0x7f6
[ 5039.689165][   T10] 
[ 5039.690877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.690877][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5039.690877][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5039.690877][   T10]      fib6_nh_init+0xa22/0x1580
[ 5039.690877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.690877][   T10]      ip6_route_add+0x1c/0x140
[ 5039.690877][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5039.690877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.690877][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.690877][   T10]      netlink_unicast+0x449/0x710
[ 5039.690877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.690877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.690877][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.690877][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.690877][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.690877][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.690877][   T10] 
[ 5039.692808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.692808][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.692808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.692808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.692808][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5039.692808][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5039.692808][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5039.692808][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5039.692808][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5039.692808][   T10]      addrconf_dad_begin+0x310/0x670
[ 5039.692808][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5039.692808][   T10]      process_one_work+0x84d/0x18a0
[ 5039.692808][   T10]      worker_thread+0x587/0xd30
[ 5039.692808][   T10]      kthread+0x28a/0x350
[ 5039.692808][   T10]      ret_from_fork+0x31/0x70
[ 5039.692808][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5039.692808][   T10] 
[ 5039.694743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.694743][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.694743][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.694743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.694743][   T10]      ip6_route_add+0x1c/0x140
[ 5039.694743][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5039.694743][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5039.694743][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.694743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.694743][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.694743][   T10]      netlink_unicast+0x449/0x710
[ 5039.694743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.694743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.694743][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.694743][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.694743][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.694743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.694743][   T10] 
[ 5039.696769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.696769][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.696769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.696769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.696769][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5039.696769][   T10]      ipv6_add_addr+0x411/0x2000
[ 5039.696769][   T10]      inet6_addr_add+0x30e/0xa40
[ 5039.696769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.696769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.696769][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.696769][   T10]      netlink_unicast+0x449/0x710
[ 5039.696769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.696769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.696769][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.696769][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.696769][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.696769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.696769][   T10] 
[ 5039.698796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.698796][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.698796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.698796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.698796][   T10]      ip6_route_add+0x1c/0x140
[ 5039.698796][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5039.698796][   T10]      addrconf_add_dev+0xe2/0x170
[ 5039.698796][   T10]      inet6_addr_add+0x12f/0xa40
[ 5039.698796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.698796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.698796][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.698796][   T10]      netlink_unicast+0x449/0x710
[ 5039.698796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.698796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.698796][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.698796][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.698796][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.698796][   T10] 
[ 5039.700880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.700880][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5039.700880][   T10]      ipv6_find_idev+0x102/0x170
[ 5039.700880][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5039.700880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.700880][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.700880][   T10]      netlink_unicast+0x449/0x710
[ 5039.700880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.700880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.700880][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.700880][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.700880][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.700880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.700880][   T10] 
[ 5039.702471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5039.702471][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5039.702471][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5039.702471][   T10]      ipv6_find_idev+0x102/0x170
[ 5039.702471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5039.702471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.702471][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.702471][   T10]      netlink_unicast+0x449/0x710
[ 5039.702471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.702471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.702471][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.702471][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.702471][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.702471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.702471][   T10] 
[ 5039.704213][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5039.704460][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.704460][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5039.704460][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5039.704460][   T10]      fib6_nh_init+0xa22/0x1580
[ 5039.704460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.704460][   T10]      ip6_route_add+0x1c/0x140
[ 5039.704460][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5039.704460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.704460][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.704460][   T10]      netlink_unicast+0x449/0x710
[ 5039.704460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.704460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.704460][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.704460][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.704460][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.704460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.704460][   T10] 
[ 5039.706367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.706367][   T10]      dst_init+0x84/0x4a0
[ 5039.706367][   T10]      dst_alloc+0x97/0x150
[ 5039.706367][   T10]      ip6_dst_alloc+0x23/0x90
[ 5039.706367][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5039.706367][   T10]      ip6_pol_route+0x56f/0x840
[ 5039.706367][   T10]      fib6_rule_lookup+0x456/0x630
[ 5039.706367][   T10]      ip6_route_input+0x59c/0xa50
[ 5039.706367][   T10]      ipv6_rcv+0x397/0x810
[ 5039.706367][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5039.706367][   T10]      process_backlog+0x101/0x620
[ 5039.706367][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5039.706367][   T10]      net_rx_action+0x495/0xbe0
[ 5039.706367][   T10]      __do_softirq+0x1b5/0x7f6
[ 5039.706367][   T10] 
[ 5039.708083][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.708083][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.708083][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.708083][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.708083][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5039.708083][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5039.708083][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5039.708083][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5039.708083][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5039.708083][   T10]      addrconf_dad_begin+0x310/0x670
[ 5039.708083][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5039.708083][   T10]      process_one_work+0x84d/0x18a0
[ 5039.708083][   T10]      worker_thread+0x587/0xd30
[ 5039.708083][   T10]      kthread+0x28a/0x350
[ 5039.708083][   T10]      ret_from_fork+0x31/0x70
[ 5039.708083][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5039.708083][   T10] 
[ 5039.710031][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.710031][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.710031][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.710031][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.710031][   T10]      ip6_route_add+0x1c/0x140
[ 5039.710031][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5039.710031][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5039.710031][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.710031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.710031][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.710031][   T10]      netlink_unicast+0x449/0x710
[ 5039.710031][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.710031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.710031][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.710031][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.710031][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.710031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.710031][   T10] 
[ 5039.712060][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.712060][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.712060][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.712060][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.712060][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5039.712060][   T10]      ipv6_add_addr+0x411/0x2000
[ 5039.712060][   T10]      inet6_addr_add+0x30e/0xa40
[ 5039.712060][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.712060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.712060][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.712060][   T10]      netlink_unicast+0x449/0x710
[ 5039.712060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.712060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.712060][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.712060][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.712060][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.712060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.712060][   T10] 
[ 5039.714101][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.714101][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.714101][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.714101][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.714101][   T10]      ip6_route_add+0x1c/0x140
[ 5039.714101][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5039.714101][   T10]      addrconf_add_dev+0xe2/0x170
[ 5039.714101][   T10]      inet6_addr_add+0x12f/0xa40
[ 5039.714101][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.714101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.714101][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.714101][   T10]      netlink_unicast+0x449/0x710
[ 5039.714101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.714101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.714101][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.714101][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.714101][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.714101][   T10] 
[ 5039.716278][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.716278][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5039.716278][   T10]      ipv6_find_idev+0x102/0x170
[ 5039.716278][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5039.716278][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.716278][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.716278][   T10]      netlink_unicast+0x449/0x710
[ 5039.716278][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.716278][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.716278][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.716278][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.716278][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.716278][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.716278][   T10] 
[ 5039.718022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5039.718022][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5039.718022][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5039.718022][   T10]      ipv6_find_idev+0x102/0x170
[ 5039.718022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5039.718022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.718022][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.718022][   T10]      netlink_unicast+0x449/0x710
[ 5039.718022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.718022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.718022][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.718022][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.718022][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.718022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.718022][   T10] 
[ 5039.719988][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5039.720234][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5039.720234][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.720234][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.720234][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.720234][   T10]      ip6_route_add+0x1c/0x140
[ 5039.720234][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5039.720234][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5039.720234][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.720234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.720234][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.720234][   T10]      netlink_unicast+0x449/0x710
[ 5039.720234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.720234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.720234][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.720234][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.720234][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.720234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.720234][   T10] 
[ 5039.722529][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5039.722529][   T10]      netdev_get_by_index+0x5e/0x80
[ 5039.722529][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5039.722529][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5039.722529][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5039.722529][   T10]      ipv6_add_addr+0x411/0x2000
[ 5039.722529][   T10]      inet6_addr_add+0x30e/0xa40
[ 5039.722529][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5039.722529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.722529][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.722529][   T10]      netlink_unicast+0x449/0x710
[ 5039.722529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.722529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.722529][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.722529][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.722529][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.722529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.722529][   T10] 
[ 5039.724794][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5039.724794][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5039.724794][   T10]      ipv6_find_idev+0x102/0x170
[ 5039.724794][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5039.724794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.724794][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.724794][   T10]      netlink_unicast+0x449/0x710
[ 5039.724794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.724794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.724794][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.724794][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.724794][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.724794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.724794][   T10] 
[ 5039.726541][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5039.726541][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5039.726541][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5039.726541][   T10]      ipv6_find_idev+0x102/0x170
[ 5039.726541][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5039.726541][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5039.726541][   T10]      netlink_rcv_skb+0x130/0x360
[ 5039.726541][   T10]      netlink_unicast+0x449/0x710
[ 5039.726541][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5039.726541][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5039.726541][   T10]      ___sys_sendmsg+0xee/0x170
[ 5039.726541][   T10]      __sys_sendmsg+0xcd/0x170
[ 5039.726541][   T10]      do_syscall_64+0xc6/0x1e0
[ 5039.726541][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5039.726541][   T10] 
[ 5049.968649][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5049.969304][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.969304][   T10]      dst_init+0x84/0x4a0
[ 5049.969304][   T10]      dst_alloc+0x97/0x150
[ 5049.969304][   T10]      ip6_dst_alloc+0x23/0x90
[ 5049.969304][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5049.969304][   T10]      ip6_pol_route+0x56f/0x840
[ 5049.969304][   T10]      fib6_rule_lookup+0x456/0x630
[ 5049.969304][   T10]      ip6_route_input+0x59c/0xa50
[ 5049.969304][   T10]      ipv6_rcv+0x397/0x810
[ 5049.969304][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5049.969304][   T10]      process_backlog+0x101/0x620
[ 5049.969304][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5049.969304][   T10]      net_rx_action+0x495/0xbe0
[ 5049.969304][   T10]      __do_softirq+0x1b5/0x7f6
[ 5049.969304][   T10] 
[ 5049.972054][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.972054][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5049.972054][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5049.972054][   T10]      fib6_nh_init+0xa22/0x1580
[ 5049.972054][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5049.972054][   T10]      ip6_route_add+0x1c/0x140
[ 5049.972054][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5049.972054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5049.972054][   T10]      netlink_rcv_skb+0x130/0x360
[ 5049.972054][   T10]      netlink_unicast+0x449/0x710
[ 5049.972054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5049.972054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5049.972054][   T10]      ___sys_sendmsg+0xee/0x170
[ 5049.972054][   T10]      __sys_sendmsg+0xcd/0x170
[ 5049.972054][   T10]      do_syscall_64+0xc6/0x1e0
[ 5049.972054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5049.972054][   T10] 
[ 5049.975191][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.975191][   T10]      netdev_get_by_index+0x5e/0x80
[ 5049.975191][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5049.975191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5049.975191][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5049.975191][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5049.975191][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5049.975191][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5049.975191][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5049.975191][   T10]      addrconf_dad_begin+0x310/0x670
[ 5049.975191][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5049.975191][   T10]      process_one_work+0x84d/0x18a0
[ 5049.975191][   T10]      worker_thread+0x587/0xd30
[ 5049.975191][   T10]      kthread+0x28a/0x350
[ 5049.975191][   T10]      ret_from_fork+0x31/0x70
[ 5049.975191][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5049.975191][   T10] 
[ 5049.978366][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.978366][   T10]      netdev_get_by_index+0x5e/0x80
[ 5049.978366][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5049.978366][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5049.978366][   T10]      ip6_route_add+0x1c/0x140
[ 5049.978366][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5049.978366][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5049.978366][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5049.978366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5049.978366][   T10]      netlink_rcv_skb+0x130/0x360
[ 5049.978366][   T10]      netlink_unicast+0x449/0x710
[ 5049.978366][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5049.978366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5049.978366][   T10]      ___sys_sendmsg+0xee/0x170
[ 5049.978366][   T10]      __sys_sendmsg+0xcd/0x170
[ 5049.978366][   T10]      do_syscall_64+0xc6/0x1e0
[ 5049.978366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5049.978366][   T10] 
[ 5049.981684][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.981684][   T10]      netdev_get_by_index+0x5e/0x80
[ 5049.981684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5049.981684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5049.981684][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5049.981684][   T10]      ipv6_add_addr+0x411/0x2000
[ 5049.981684][   T10]      inet6_addr_add+0x30e/0xa40
[ 5049.981684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5049.981684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5049.981684][   T10]      netlink_rcv_skb+0x130/0x360
[ 5049.981684][   T10]      netlink_unicast+0x449/0x710
[ 5049.981684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5049.981684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5049.981684][   T10]      ___sys_sendmsg+0xee/0x170
[ 5049.981684][   T10]      __sys_sendmsg+0xcd/0x170
[ 5049.981684][   T10]      do_syscall_64+0xc6/0x1e0
[ 5049.981684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5049.981684][   T10] 
[ 5049.985015][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.985015][   T10]      netdev_get_by_index+0x5e/0x80
[ 5049.985015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5049.985015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5049.985015][   T10]      ip6_route_add+0x1c/0x140
[ 5049.985015][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5049.985015][   T10]      addrconf_add_dev+0xe2/0x170
[ 5049.985015][   T10]      inet6_addr_add+0x12f/0xa40
[ 5049.985015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5049.985015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5049.985015][   T10]      netlink_rcv_skb+0x130/0x360
[ 5049.985015][   T10]      netlink_unicast+0x449/0x710
[ 5049.985015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5049.985015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5049.985015][   T10]      ___sys_sendmsg+0xee/0x170
[ 5049.985015][   T10]      __sys_sendmsg+0xcd/0x170
[ 5049.985015][   T10]      do_syscall_64+0xc6/0x1e0
[ 5049.985015][   T10] 
[ 5049.988264][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.988264][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5049.988264][   T10]      ipv6_find_idev+0x102/0x170
[ 5049.988264][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5049.988264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5049.988264][   T10]      netlink_rcv_skb+0x130/0x360
[ 5049.988264][   T10]      netlink_unicast+0x449/0x710
[ 5049.988264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5049.988264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5049.988264][   T10]      ___sys_sendmsg+0xee/0x170
[ 5049.988264][   T10]      __sys_sendmsg+0xcd/0x170
[ 5049.988264][   T10]      do_syscall_64+0xc6/0x1e0
[ 5049.988264][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5049.988264][   T10] 
[ 5049.990824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5049.990824][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5049.990824][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5049.990824][   T10]      ipv6_find_idev+0x102/0x170
[ 5049.990824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5049.990824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5049.990824][   T10]      netlink_rcv_skb+0x130/0x360
[ 5049.990824][   T10]      netlink_unicast+0x449/0x710
[ 5049.990824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5049.990824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5049.990824][   T10]      ___sys_sendmsg+0xee/0x170
[ 5049.990824][   T10]      __sys_sendmsg+0xcd/0x170
[ 5049.990824][   T10]      do_syscall_64+0xc6/0x1e0
[ 5049.990824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5049.990824][   T10] 
[ 5049.993681][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5049.994079][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5049.994079][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5049.994079][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5049.994079][   T10]      fib6_nh_init+0xa22/0x1580
[ 5049.994079][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5049.994079][   T10]      ip6_route_add+0x1c/0x140
[ 5049.994079][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5049.994079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5049.994079][   T10]      netlink_rcv_skb+0x130/0x360
[ 5049.994079][   T10]      netlink_unicast+0x449/0x710
[ 5049.994079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5049.994079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5049.994079][   T10]      ___sys_sendmsg+0xee/0x170
[ 5049.994079][   T10]      __sys_sendmsg+0xcd/0x170
[ 5049.994079][   T10]      do_syscall_64+0xc6/0x1e0
[ 5049.994079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5049.994079][   T10] 
[ 5049.997191][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5049.997191][   T10]      dst_init+0x84/0x4a0
[ 5049.997191][   T10]      dst_alloc+0x97/0x150
[ 5049.997191][   T10]      ip6_dst_alloc+0x23/0x90
[ 5049.997191][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5049.997191][   T10]      ip6_pol_route+0x56f/0x840
[ 5049.997191][   T10]      fib6_rule_lookup+0x456/0x630
[ 5049.997191][   T10]      ip6_route_input+0x59c/0xa50
[ 5049.997191][   T10]      ipv6_rcv+0x397/0x810
[ 5049.997191][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5049.997191][   T10]      process_backlog+0x101/0x620
[ 5049.997191][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5049.997191][   T10]      net_rx_action+0x495/0xbe0
[ 5049.997191][   T10]      __do_softirq+0x1b5/0x7f6
[ 5049.997191][   T10] 
[ 5049.999916][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5049.999916][   T10]      netdev_get_by_index+0x5e/0x80
[ 5049.999916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5049.999916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5049.999916][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5049.999916][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5049.999916][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5049.999916][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5049.999916][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5049.999916][   T10]      addrconf_dad_begin+0x310/0x670
[ 5049.999916][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5049.999916][   T10]      process_one_work+0x84d/0x18a0
[ 5049.999916][   T10]      worker_thread+0x587/0xd30
[ 5049.999916][   T10]      kthread+0x28a/0x350
[ 5049.999916][   T10]      ret_from_fork+0x31/0x70
[ 5049.999916][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5049.999916][   T10] 
[ 5050.003085][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5050.003085][   T10]      netdev_get_by_index+0x5e/0x80
[ 5050.003085][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5050.003085][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5050.003085][   T10]      ip6_route_add+0x1c/0x140
[ 5050.003085][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5050.003085][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5050.003085][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5050.003085][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.003085][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.003085][   T10]      netlink_unicast+0x449/0x710
[ 5050.003085][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.003085][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.003085][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.003085][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.003085][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.003085][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.003085][   T10] 
[ 5050.006415][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5050.006415][   T10]      netdev_get_by_index+0x5e/0x80
[ 5050.006415][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5050.006415][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5050.006415][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5050.006415][   T10]      ipv6_add_addr+0x411/0x2000
[ 5050.006415][   T10]      inet6_addr_add+0x30e/0xa40
[ 5050.006415][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5050.006415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.006415][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.006415][   T10]      netlink_unicast+0x449/0x710
[ 5050.006415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.006415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.006415][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.006415][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.006415][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.006415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.006415][   T10] 
[ 5050.009727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5050.009727][   T10]      netdev_get_by_index+0x5e/0x80
[ 5050.009727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5050.009727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5050.009727][   T10]      ip6_route_add+0x1c/0x140
[ 5050.009727][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5050.009727][   T10]      addrconf_add_dev+0xe2/0x170
[ 5050.009727][   T10]      inet6_addr_add+0x12f/0xa40
[ 5050.009727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5050.009727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.009727][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.009727][   T10]      netlink_unicast+0x449/0x710
[ 5050.009727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.009727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.009727][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.009727][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.009727][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.009727][   T10] 
[ 5050.013240][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5050.013240][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5050.013240][   T10]      ipv6_find_idev+0x102/0x170
[ 5050.013240][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5050.013240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.013240][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.013240][   T10]      netlink_unicast+0x449/0x710
[ 5050.013240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.013240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.013240][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.013240][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.013240][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.013240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.013240][   T10] 
[ 5050.016036][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5050.016036][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5050.016036][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5050.016036][   T10]      ipv6_find_idev+0x102/0x170
[ 5050.016036][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5050.016036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.016036][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.016036][   T10]      netlink_unicast+0x449/0x710
[ 5050.016036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.016036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.016036][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.016036][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.016036][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.016036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.016036][   T10] 
[ 5050.018993][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5050.019391][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5050.019391][   T10]      netdev_get_by_index+0x5e/0x80
[ 5050.019391][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5050.019391][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5050.019391][   T10]      ip6_route_add+0x1c/0x140
[ 5050.019391][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5050.019391][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5050.019391][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5050.019391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.019391][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.019391][   T10]      netlink_unicast+0x449/0x710
[ 5050.019391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.019391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.019391][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.019391][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.019391][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.019391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.019391][   T10] 
[ 5050.022964][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5050.022964][   T10]      netdev_get_by_index+0x5e/0x80
[ 5050.022964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5050.022964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5050.022964][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5050.022964][   T10]      ipv6_add_addr+0x411/0x2000
[ 5050.022964][   T10]      inet6_addr_add+0x30e/0xa40
[ 5050.022964][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5050.022964][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.022964][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.022964][   T10]      netlink_unicast+0x449/0x710
[ 5050.022964][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.022964][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.022964][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.022964][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.022964][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.022964][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.022964][   T10] 
[ 5050.026510][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5050.026510][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5050.026510][   T10]      ipv6_find_idev+0x102/0x170
[ 5050.026510][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5050.026510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.026510][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.026510][   T10]      netlink_unicast+0x449/0x710
[ 5050.026510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.026510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.026510][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.026510][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.026510][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.026510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.026510][   T10] 
[ 5050.029305][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5050.029305][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5050.029305][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5050.029305][   T10]      ipv6_find_idev+0x102/0x170
[ 5050.029305][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5050.029305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5050.029305][   T10]      netlink_rcv_skb+0x130/0x360
[ 5050.029305][   T10]      netlink_unicast+0x449/0x710
[ 5050.029305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5050.029305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5050.029305][   T10]      ___sys_sendmsg+0xee/0x170
[ 5050.029305][   T10]      __sys_sendmsg+0xcd/0x170
[ 5050.029305][   T10]      do_syscall_64+0xc6/0x1e0
[ 5050.029305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5050.029305][   T10] 
[ 5060.272677][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5060.273157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.273157][   T10]      dst_init+0x84/0x4a0
[ 5060.273157][   T10]      dst_alloc+0x97/0x150
[ 5060.273157][   T10]      ip6_dst_alloc+0x23/0x90
[ 5060.273157][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5060.273157][   T10]      ip6_pol_route+0x56f/0x840
[ 5060.273157][   T10]      fib6_rule_lookup+0x456/0x630
[ 5060.273157][   T10]      ip6_route_input+0x59c/0xa50
[ 5060.273157][   T10]      ipv6_rcv+0x397/0x810
[ 5060.273157][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5060.273157][   T10]      process_backlog+0x101/0x620
[ 5060.273157][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5060.273157][   T10]      net_rx_action+0x495/0xbe0
[ 5060.273157][   T10]      __do_softirq+0x1b5/0x7f6
[ 5060.273157][   T10] 
[ 5060.274867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.274867][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5060.274867][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5060.274867][   T10]      fib6_nh_init+0xa22/0x1580
[ 5060.274867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.274867][   T10]      ip6_route_add+0x1c/0x140
[ 5060.274867][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5060.274867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.274867][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.274867][   T10]      netlink_unicast+0x449/0x710
[ 5060.274867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.274867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.274867][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.274867][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.274867][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.274867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.274867][   T10] 
[ 5060.276780][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.276780][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.276780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.276780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.276780][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5060.276780][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5060.276780][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5060.276780][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5060.276780][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5060.276780][   T10]      addrconf_dad_begin+0x310/0x670
[ 5060.276780][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5060.276780][   T10]      process_one_work+0x84d/0x18a0
[ 5060.276780][   T10]      worker_thread+0x587/0xd30
[ 5060.276780][   T10]      kthread+0x28a/0x350
[ 5060.276780][   T10]      ret_from_fork+0x31/0x70
[ 5060.276780][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5060.276780][   T10] 
[ 5060.278722][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.278722][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.278722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.278722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.278722][   T10]      ip6_route_add+0x1c/0x140
[ 5060.278722][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5060.278722][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5060.278722][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.278722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.278722][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.278722][   T10]      netlink_unicast+0x449/0x710
[ 5060.278722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.278722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.278722][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.278722][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.278722][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.278722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.278722][   T10] 
[ 5060.280755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.280755][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.280755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.280755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.280755][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5060.280755][   T10]      ipv6_add_addr+0x411/0x2000
[ 5060.280755][   T10]      inet6_addr_add+0x30e/0xa40
[ 5060.280755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.280755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.280755][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.280755][   T10]      netlink_unicast+0x449/0x710
[ 5060.280755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.280755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.280755][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.280755][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.280755][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.280755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.280755][   T10] 
[ 5060.282804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.282804][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.282804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.282804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.282804][   T10]      ip6_route_add+0x1c/0x140
[ 5060.282804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5060.282804][   T10]      addrconf_add_dev+0xe2/0x170
[ 5060.282804][   T10]      inet6_addr_add+0x12f/0xa40
[ 5060.282804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.282804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.282804][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.282804][   T10]      netlink_unicast+0x449/0x710
[ 5060.282804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.282804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.282804][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.282804][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.282804][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.282804][   T10] 
[ 5060.284790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.284790][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5060.284790][   T10]      ipv6_find_idev+0x102/0x170
[ 5060.284790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5060.284790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.284790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.284790][   T10]      netlink_unicast+0x449/0x710
[ 5060.284790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.284790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.284790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.284790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.284790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.284790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.284790][   T10] 
[ 5060.286353][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5060.286353][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5060.286353][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5060.286353][   T10]      ipv6_find_idev+0x102/0x170
[ 5060.286353][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5060.286353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.286353][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.286353][   T10]      netlink_unicast+0x449/0x710
[ 5060.286353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.286353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.286353][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.286353][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.286353][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.286353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.286353][   T10] 
[ 5060.288124][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5060.288380][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.288380][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5060.288380][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5060.288380][   T10]      fib6_nh_init+0xa22/0x1580
[ 5060.288380][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.288380][   T10]      ip6_route_add+0x1c/0x140
[ 5060.288380][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5060.288380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.288380][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.288380][   T10]      netlink_unicast+0x449/0x710
[ 5060.288380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.288380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.288380][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.288380][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.288380][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.288380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.288380][   T10] 
[ 5060.290297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.290297][   T10]      dst_init+0x84/0x4a0
[ 5060.290297][   T10]      dst_alloc+0x97/0x150
[ 5060.290297][   T10]      ip6_dst_alloc+0x23/0x90
[ 5060.290297][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5060.290297][   T10]      ip6_pol_route+0x56f/0x840
[ 5060.290297][   T10]      fib6_rule_lookup+0x456/0x630
[ 5060.290297][   T10]      ip6_route_input+0x59c/0xa50
[ 5060.290297][   T10]      ipv6_rcv+0x397/0x810
[ 5060.290297][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5060.290297][   T10]      process_backlog+0x101/0x620
[ 5060.290297][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5060.290297][   T10]      net_rx_action+0x495/0xbe0
[ 5060.290297][   T10]      __do_softirq+0x1b5/0x7f6
[ 5060.290297][   T10] 
[ 5060.291960][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.291960][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.291960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.291960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.291960][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5060.291960][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5060.291960][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5060.291960][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5060.291960][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5060.291960][   T10]      addrconf_dad_begin+0x310/0x670
[ 5060.291960][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5060.291960][   T10]      process_one_work+0x84d/0x18a0
[ 5060.291960][   T10]      worker_thread+0x587/0xd30
[ 5060.291960][   T10]      kthread+0x28a/0x350
[ 5060.291960][   T10]      ret_from_fork+0x31/0x70
[ 5060.291960][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5060.291960][   T10] 
[ 5060.293904][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.293904][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.293904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.293904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.293904][   T10]      ip6_route_add+0x1c/0x140
[ 5060.293904][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5060.293904][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5060.293904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.293904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.293904][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.293904][   T10]      netlink_unicast+0x449/0x710
[ 5060.293904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.293904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.293904][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.293904][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.293904][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.293904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.293904][   T10] 
[ 5060.295930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.295930][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.295930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.295930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.295930][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5060.295930][   T10]      ipv6_add_addr+0x411/0x2000
[ 5060.295930][   T10]      inet6_addr_add+0x30e/0xa40
[ 5060.295930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.295930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.295930][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.295930][   T10]      netlink_unicast+0x449/0x710
[ 5060.295930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.295930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.295930][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.295930][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.295930][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.295930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.295930][   T10] 
[ 5060.297974][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.297974][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.297974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.297974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.297974][   T10]      ip6_route_add+0x1c/0x140
[ 5060.297974][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5060.297974][   T10]      addrconf_add_dev+0xe2/0x170
[ 5060.297974][   T10]      inet6_addr_add+0x12f/0xa40
[ 5060.297974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.297974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.297974][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.297974][   T10]      netlink_unicast+0x449/0x710
[ 5060.297974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.297974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.297974][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.297974][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.297974][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.297974][   T10] 
[ 5060.300105][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.300105][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5060.300105][   T10]      ipv6_find_idev+0x102/0x170
[ 5060.300105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5060.300105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.300105][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.300105][   T10]      netlink_unicast+0x449/0x710
[ 5060.300105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.300105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.300105][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.300105][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.300105][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.300105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.300105][   T10] 
[ 5060.301727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5060.301727][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5060.301727][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5060.301727][   T10]      ipv6_find_idev+0x102/0x170
[ 5060.301727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5060.301727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.301727][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.301727][   T10]      netlink_unicast+0x449/0x710
[ 5060.301727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.301727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.301727][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.301727][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.301727][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.301727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.301727][   T10] 
[ 5060.303610][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5060.303860][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5060.303860][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.303860][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.303860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.303860][   T10]      ip6_route_add+0x1c/0x140
[ 5060.303860][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5060.303860][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5060.303860][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.303860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.303860][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.303860][   T10]      netlink_unicast+0x449/0x710
[ 5060.303860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.303860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.303860][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.303860][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.303860][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.303860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.303860][   T10] 
[ 5060.306020][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5060.306020][   T10]      netdev_get_by_index+0x5e/0x80
[ 5060.306020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5060.306020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5060.306020][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5060.306020][   T10]      ipv6_add_addr+0x411/0x2000
[ 5060.306020][   T10]      inet6_addr_add+0x30e/0xa40
[ 5060.306020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5060.306020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.306020][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.306020][   T10]      netlink_unicast+0x449/0x710
[ 5060.306020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.306020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.306020][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.306020][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.306020][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.306020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.306020][   T10] 
[ 5060.308166][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5060.308166][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5060.308166][   T10]      ipv6_find_idev+0x102/0x170
[ 5060.308166][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5060.308166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.308166][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.308166][   T10]      netlink_unicast+0x449/0x710
[ 5060.308166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.308166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.308166][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.308166][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.308166][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.308166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.308166][   T10] 
[ 5060.309861][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5060.309861][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5060.309861][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5060.309861][   T10]      ipv6_find_idev+0x102/0x170
[ 5060.309861][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5060.309861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5060.309861][   T10]      netlink_rcv_skb+0x130/0x360
[ 5060.309861][   T10]      netlink_unicast+0x449/0x710
[ 5060.309861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5060.309861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5060.309861][   T10]      ___sys_sendmsg+0xee/0x170
[ 5060.309861][   T10]      __sys_sendmsg+0xcd/0x170
[ 5060.309861][   T10]      do_syscall_64+0xc6/0x1e0
[ 5060.309861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5060.309861][   T10] 
[ 5070.552707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5070.553186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.553186][   T10]      dst_init+0x84/0x4a0
[ 5070.553186][   T10]      dst_alloc+0x97/0x150
[ 5070.553186][   T10]      ip6_dst_alloc+0x23/0x90
[ 5070.553186][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5070.553186][   T10]      ip6_pol_route+0x56f/0x840
[ 5070.553186][   T10]      fib6_rule_lookup+0x456/0x630
[ 5070.553186][   T10]      ip6_route_input+0x59c/0xa50
[ 5070.553186][   T10]      ipv6_rcv+0x397/0x810
[ 5070.553186][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5070.553186][   T10]      process_backlog+0x101/0x620
[ 5070.553186][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5070.553186][   T10]      net_rx_action+0x495/0xbe0
[ 5070.553186][   T10]      __do_softirq+0x1b5/0x7f6
[ 5070.553186][   T10] 
[ 5070.554884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.554884][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5070.554884][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5070.554884][   T10]      fib6_nh_init+0xa22/0x1580
[ 5070.554884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.554884][   T10]      ip6_route_add+0x1c/0x140
[ 5070.554884][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5070.554884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.554884][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.554884][   T10]      netlink_unicast+0x449/0x710
[ 5070.554884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.554884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.554884][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.554884][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.554884][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.554884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.554884][   T10] 
[ 5070.556809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.556809][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.556809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.556809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.556809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5070.556809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5070.556809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5070.556809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5070.556809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5070.556809][   T10]      addrconf_dad_begin+0x310/0x670
[ 5070.556809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5070.556809][   T10]      process_one_work+0x84d/0x18a0
[ 5070.556809][   T10]      worker_thread+0x587/0xd30
[ 5070.556809][   T10]      kthread+0x28a/0x350
[ 5070.556809][   T10]      ret_from_fork+0x31/0x70
[ 5070.556809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5070.556809][   T10] 
[ 5070.558914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.558914][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.558914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.558914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.558914][   T10]      ip6_route_add+0x1c/0x140
[ 5070.558914][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5070.558914][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5070.558914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.558914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.558914][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.558914][   T10]      netlink_unicast+0x449/0x710
[ 5070.558914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.558914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.558914][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.558914][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.558914][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.558914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.558914][   T10] 
[ 5070.560937][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.560937][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.560937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.560937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.560937][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5070.560937][   T10]      ipv6_add_addr+0x411/0x2000
[ 5070.560937][   T10]      inet6_addr_add+0x30e/0xa40
[ 5070.560937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.560937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.560937][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.560937][   T10]      netlink_unicast+0x449/0x710
[ 5070.560937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.560937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.560937][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.560937][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.560937][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.560937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.560937][   T10] 
[ 5070.562970][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.562970][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.562970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.562970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.562970][   T10]      ip6_route_add+0x1c/0x140
[ 5070.562970][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5070.562970][   T10]      addrconf_add_dev+0xe2/0x170
[ 5070.562970][   T10]      inet6_addr_add+0x12f/0xa40
[ 5070.562970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.562970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.562970][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.562970][   T10]      netlink_unicast+0x449/0x710
[ 5070.562970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.562970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.562970][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.562970][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.562970][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.562970][   T10] 
[ 5070.564960][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.564960][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5070.564960][   T10]      ipv6_find_idev+0x102/0x170
[ 5070.564960][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5070.564960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.564960][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.564960][   T10]      netlink_unicast+0x449/0x710
[ 5070.564960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.564960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.564960][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.564960][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.564960][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.564960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.564960][   T10] 
[ 5070.566638][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5070.566638][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5070.566638][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5070.566638][   T10]      ipv6_find_idev+0x102/0x170
[ 5070.566638][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5070.566638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.566638][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.566638][   T10]      netlink_unicast+0x449/0x710
[ 5070.566638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.566638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.566638][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.566638][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.566638][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.566638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.566638][   T10] 
[ 5070.568381][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5070.568635][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.568635][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5070.568635][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5070.568635][   T10]      fib6_nh_init+0xa22/0x1580
[ 5070.568635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.568635][   T10]      ip6_route_add+0x1c/0x140
[ 5070.568635][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5070.568635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.568635][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.568635][   T10]      netlink_unicast+0x449/0x710
[ 5070.568635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.568635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.568635][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.568635][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.568635][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.568635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.568635][   T10] 
[ 5070.570554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.570554][   T10]      dst_init+0x84/0x4a0
[ 5070.570554][   T10]      dst_alloc+0x97/0x150
[ 5070.570554][   T10]      ip6_dst_alloc+0x23/0x90
[ 5070.570554][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5070.570554][   T10]      ip6_pol_route+0x56f/0x840
[ 5070.570554][   T10]      fib6_rule_lookup+0x456/0x630
[ 5070.570554][   T10]      ip6_route_input+0x59c/0xa50
[ 5070.570554][   T10]      ipv6_rcv+0x397/0x810
[ 5070.570554][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5070.570554][   T10]      process_backlog+0x101/0x620
[ 5070.570554][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5070.570554][   T10]      net_rx_action+0x495/0xbe0
[ 5070.570554][   T10]      __do_softirq+0x1b5/0x7f6
[ 5070.570554][   T10] 
[ 5070.572215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.572215][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.572215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.572215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.572215][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5070.572215][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5070.572215][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5070.572215][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5070.572215][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5070.572215][   T10]      addrconf_dad_begin+0x310/0x670
[ 5070.572215][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5070.572215][   T10]      process_one_work+0x84d/0x18a0
[ 5070.572215][   T10]      worker_thread+0x587/0xd30
[ 5070.572215][   T10]      kthread+0x28a/0x350
[ 5070.572215][   T10]      ret_from_fork+0x31/0x70
[ 5070.572215][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5070.572215][   T10] 
[ 5070.574167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.574167][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.574167][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.574167][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.574167][   T10]      ip6_route_add+0x1c/0x140
[ 5070.574167][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5070.574167][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5070.574167][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.574167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.574167][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.574167][   T10]      netlink_unicast+0x449/0x710
[ 5070.574167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.574167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.574167][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.574167][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.574167][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.574167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.574167][   T10] 
[ 5070.576187][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.576187][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.576187][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.576187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.576187][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5070.576187][   T10]      ipv6_add_addr+0x411/0x2000
[ 5070.576187][   T10]      inet6_addr_add+0x30e/0xa40
[ 5070.576187][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.576187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.576187][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.576187][   T10]      netlink_unicast+0x449/0x710
[ 5070.576187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.576187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.576187][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.576187][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.576187][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.576187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.576187][   T10] 
[ 5070.578214][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.578214][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.578214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.578214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.578214][   T10]      ip6_route_add+0x1c/0x140
[ 5070.578214][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5070.578214][   T10]      addrconf_add_dev+0xe2/0x170
[ 5070.578214][   T10]      inet6_addr_add+0x12f/0xa40
[ 5070.578214][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.578214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.578214][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.578214][   T10]      netlink_unicast+0x449/0x710
[ 5070.578214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.578214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.578214][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.578214][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.578214][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.578214][   T10] 
[ 5070.580354][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.580354][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5070.580354][   T10]      ipv6_find_idev+0x102/0x170
[ 5070.580354][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5070.580354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.580354][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.580354][   T10]      netlink_unicast+0x449/0x710
[ 5070.580354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.580354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.580354][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.580354][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.580354][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.580354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.580354][   T10] 
[ 5070.582039][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5070.582039][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5070.582039][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5070.582039][   T10]      ipv6_find_idev+0x102/0x170
[ 5070.582039][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5070.582039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.582039][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.582039][   T10]      netlink_unicast+0x449/0x710
[ 5070.582039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.582039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.582039][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.582039][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.582039][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.582039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.582039][   T10] 
[ 5070.583821][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5070.584068][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5070.584068][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.584068][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.584068][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.584068][   T10]      ip6_route_add+0x1c/0x140
[ 5070.584068][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5070.584068][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5070.584068][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.584068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.584068][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.584068][   T10]      netlink_unicast+0x449/0x710
[ 5070.584068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.584068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.584068][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.584068][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.584068][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.584068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.584068][   T10] 
[ 5070.586233][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5070.586233][   T10]      netdev_get_by_index+0x5e/0x80
[ 5070.586233][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5070.586233][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5070.586233][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5070.586233][   T10]      ipv6_add_addr+0x411/0x2000
[ 5070.586233][   T10]      inet6_addr_add+0x30e/0xa40
[ 5070.586233][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5070.586233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.586233][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.586233][   T10]      netlink_unicast+0x449/0x710
[ 5070.586233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.586233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.586233][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.586233][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.586233][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.586233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.586233][   T10] 
[ 5070.588392][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5070.588392][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5070.588392][   T10]      ipv6_find_idev+0x102/0x170
[ 5070.588392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5070.588392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.588392][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.588392][   T10]      netlink_unicast+0x449/0x710
[ 5070.588392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.588392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.588392][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.588392][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.588392][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.588392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.588392][   T10] 
[ 5070.590149][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5070.590149][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5070.590149][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5070.590149][   T10]      ipv6_find_idev+0x102/0x170
[ 5070.590149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5070.590149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5070.590149][   T10]      netlink_rcv_skb+0x130/0x360
[ 5070.590149][   T10]      netlink_unicast+0x449/0x710
[ 5070.590149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5070.590149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5070.590149][   T10]      ___sys_sendmsg+0xee/0x170
[ 5070.590149][   T10]      __sys_sendmsg+0xcd/0x170
[ 5070.590149][   T10]      do_syscall_64+0xc6/0x1e0
[ 5070.590149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5070.590149][   T10] 
[ 5080.832764][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5080.833187][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.833187][   T10]      dst_init+0x84/0x4a0
[ 5080.833187][   T10]      dst_alloc+0x97/0x150
[ 5080.833187][   T10]      ip6_dst_alloc+0x23/0x90
[ 5080.833187][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5080.833187][   T10]      ip6_pol_route+0x56f/0x840
[ 5080.833187][   T10]      fib6_rule_lookup+0x456/0x630
[ 5080.833187][   T10]      ip6_route_input+0x59c/0xa50
[ 5080.833187][   T10]      ipv6_rcv+0x397/0x810
[ 5080.833187][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5080.833187][   T10]      process_backlog+0x101/0x620
[ 5080.833187][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5080.833187][   T10]      net_rx_action+0x495/0xbe0
[ 5080.833187][   T10]      __do_softirq+0x1b5/0x7f6
[ 5080.833187][   T10] 
[ 5080.834980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.834980][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5080.834980][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5080.834980][   T10]      fib6_nh_init+0xa22/0x1580
[ 5080.834980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.834980][   T10]      ip6_route_add+0x1c/0x140
[ 5080.834980][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5080.834980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.834980][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.834980][   T10]      netlink_unicast+0x449/0x710
[ 5080.834980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.834980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.834980][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.834980][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.834980][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.834980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.834980][   T10] 
[ 5080.836908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.836908][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.836908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.836908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.836908][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5080.836908][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5080.836908][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5080.836908][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5080.836908][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5080.836908][   T10]      addrconf_dad_begin+0x310/0x670
[ 5080.836908][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5080.836908][   T10]      process_one_work+0x84d/0x18a0
[ 5080.836908][   T10]      worker_thread+0x587/0xd30
[ 5080.836908][   T10]      kthread+0x28a/0x350
[ 5080.836908][   T10]      ret_from_fork+0x31/0x70
[ 5080.836908][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5080.836908][   T10] 
[ 5080.838840][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.838840][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.838840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.838840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.838840][   T10]      ip6_route_add+0x1c/0x140
[ 5080.838840][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5080.838840][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5080.838840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.838840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.838840][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.838840][   T10]      netlink_unicast+0x449/0x710
[ 5080.838840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.838840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.838840][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.838840][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.838840][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.838840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.838840][   T10] 
[ 5080.840878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.840878][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.840878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.840878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.840878][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5080.840878][   T10]      ipv6_add_addr+0x411/0x2000
[ 5080.840878][   T10]      inet6_addr_add+0x30e/0xa40
[ 5080.840878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.840878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.840878][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.840878][   T10]      netlink_unicast+0x449/0x710
[ 5080.840878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.840878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.840878][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.840878][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.840878][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.840878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.840878][   T10] 
[ 5080.842912][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.842912][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.842912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.842912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.842912][   T10]      ip6_route_add+0x1c/0x140
[ 5080.842912][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5080.842912][   T10]      addrconf_add_dev+0xe2/0x170
[ 5080.842912][   T10]      inet6_addr_add+0x12f/0xa40
[ 5080.842912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.842912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.842912][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.842912][   T10]      netlink_unicast+0x449/0x710
[ 5080.842912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.842912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.842912][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.842912][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.842912][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.842912][   T10] 
[ 5080.844902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.844902][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5080.844902][   T10]      ipv6_find_idev+0x102/0x170
[ 5080.844902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5080.844902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.844902][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.844902][   T10]      netlink_unicast+0x449/0x710
[ 5080.844902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.844902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.844902][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.844902][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.844902][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.844902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.844902][   T10] 
[ 5080.846473][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5080.846473][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5080.846473][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5080.846473][   T10]      ipv6_find_idev+0x102/0x170
[ 5080.846473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5080.846473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.846473][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.846473][   T10]      netlink_unicast+0x449/0x710
[ 5080.846473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.846473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.846473][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.846473][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.846473][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.846473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.846473][   T10] 
[ 5080.848211][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5080.848457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.848457][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5080.848457][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5080.848457][   T10]      fib6_nh_init+0xa22/0x1580
[ 5080.848457][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.848457][   T10]      ip6_route_add+0x1c/0x140
[ 5080.848457][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5080.848457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.848457][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.848457][   T10]      netlink_unicast+0x449/0x710
[ 5080.848457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.848457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.848457][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.848457][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.848457][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.848457][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.848457][   T10] 
[ 5080.850352][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.850352][   T10]      dst_init+0x84/0x4a0
[ 5080.850352][   T10]      dst_alloc+0x97/0x150
[ 5080.850352][   T10]      ip6_dst_alloc+0x23/0x90
[ 5080.850352][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5080.850352][   T10]      ip6_pol_route+0x56f/0x840
[ 5080.850352][   T10]      fib6_rule_lookup+0x456/0x630
[ 5080.850352][   T10]      ip6_route_input+0x59c/0xa50
[ 5080.850352][   T10]      ipv6_rcv+0x397/0x810
[ 5080.850352][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5080.850352][   T10]      process_backlog+0x101/0x620
[ 5080.850352][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5080.850352][   T10]      net_rx_action+0x495/0xbe0
[ 5080.850352][   T10]      __do_softirq+0x1b5/0x7f6
[ 5080.850352][   T10] 
[ 5080.852004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.852004][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.852004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.852004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.852004][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5080.852004][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5080.852004][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5080.852004][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5080.852004][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5080.852004][   T10]      addrconf_dad_begin+0x310/0x670
[ 5080.852004][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5080.852004][   T10]      process_one_work+0x84d/0x18a0
[ 5080.852004][   T10]      worker_thread+0x587/0xd30
[ 5080.852004][   T10]      kthread+0x28a/0x350
[ 5080.852004][   T10]      ret_from_fork+0x31/0x70
[ 5080.852004][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5080.852004][   T10] 
[ 5080.853944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.853944][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.853944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.853944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.853944][   T10]      ip6_route_add+0x1c/0x140
[ 5080.853944][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5080.853944][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5080.853944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.853944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.853944][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.853944][   T10]      netlink_unicast+0x449/0x710
[ 5080.853944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.853944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.853944][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.853944][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.853944][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.853944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.853944][   T10] 
[ 5080.855980][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.855980][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.855980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.855980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.855980][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5080.855980][   T10]      ipv6_add_addr+0x411/0x2000
[ 5080.855980][   T10]      inet6_addr_add+0x30e/0xa40
[ 5080.855980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.855980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.855980][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.855980][   T10]      netlink_unicast+0x449/0x710
[ 5080.855980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.855980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.855980][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.855980][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.855980][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.855980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.855980][   T10] 
[ 5080.858005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.858005][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.858005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.858005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.858005][   T10]      ip6_route_add+0x1c/0x140
[ 5080.858005][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5080.858005][   T10]      addrconf_add_dev+0xe2/0x170
[ 5080.858005][   T10]      inet6_addr_add+0x12f/0xa40
[ 5080.858005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.858005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.858005][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.858005][   T10]      netlink_unicast+0x449/0x710
[ 5080.858005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.858005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.858005][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.858005][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.858005][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.858005][   T10] 
[ 5080.860182][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.860182][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5080.860182][   T10]      ipv6_find_idev+0x102/0x170
[ 5080.860182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5080.860182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.860182][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.860182][   T10]      netlink_unicast+0x449/0x710
[ 5080.860182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.860182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.860182][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.860182][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.860182][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.860182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.860182][   T10] 
[ 5080.861933][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5080.861933][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5080.861933][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5080.861933][   T10]      ipv6_find_idev+0x102/0x170
[ 5080.861933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5080.861933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.861933][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.861933][   T10]      netlink_unicast+0x449/0x710
[ 5080.861933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.861933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.861933][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.861933][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.861933][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.861933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.861933][   T10] 
[ 5080.863921][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5080.864173][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5080.864173][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.864173][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.864173][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.864173][   T10]      ip6_route_add+0x1c/0x140
[ 5080.864173][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5080.864173][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5080.864173][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.864173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.864173][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.864173][   T10]      netlink_unicast+0x449/0x710
[ 5080.864173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.864173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.864173][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.864173][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.864173][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.864173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.864173][   T10] 
[ 5080.866442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5080.866442][   T10]      netdev_get_by_index+0x5e/0x80
[ 5080.866442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5080.866442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5080.866442][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5080.866442][   T10]      ipv6_add_addr+0x411/0x2000
[ 5080.866442][   T10]      inet6_addr_add+0x30e/0xa40
[ 5080.866442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5080.866442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.866442][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.866442][   T10]      netlink_unicast+0x449/0x710
[ 5080.866442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.866442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.866442][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.866442][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.866442][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.866442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.866442][   T10] 
[ 5080.868704][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5080.868704][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5080.868704][   T10]      ipv6_find_idev+0x102/0x170
[ 5080.868704][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5080.868704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.868704][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.868704][   T10]      netlink_unicast+0x449/0x710
[ 5080.868704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.868704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.868704][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.868704][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.868704][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.868704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.868704][   T10] 
[ 5080.870447][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5080.870447][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5080.870447][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5080.870447][   T10]      ipv6_find_idev+0x102/0x170
[ 5080.870447][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5080.870447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5080.870447][   T10]      netlink_rcv_skb+0x130/0x360
[ 5080.870447][   T10]      netlink_unicast+0x449/0x710
[ 5080.870447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5080.870447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5080.870447][   T10]      ___sys_sendmsg+0xee/0x170
[ 5080.870447][   T10]      __sys_sendmsg+0xcd/0x170
[ 5080.870447][   T10]      do_syscall_64+0xc6/0x1e0
[ 5080.870447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5080.870447][   T10] 
[ 5090.888712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5090.889202][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.889202][   T10]      dst_init+0x84/0x4a0
[ 5090.889202][   T10]      dst_alloc+0x97/0x150
[ 5090.889202][   T10]      ip6_dst_alloc+0x23/0x90
[ 5090.889202][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5090.889202][   T10]      ip6_pol_route+0x56f/0x840
[ 5090.889202][   T10]      fib6_rule_lookup+0x456/0x630
[ 5090.889202][   T10]      ip6_route_input+0x59c/0xa50
[ 5090.889202][   T10]      ipv6_rcv+0x397/0x810
[ 5090.889202][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5090.889202][   T10]      process_backlog+0x101/0x620
[ 5090.889202][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5090.889202][   T10]      net_rx_action+0x495/0xbe0
[ 5090.889202][   T10]      __do_softirq+0x1b5/0x7f6
[ 5090.889202][   T10] 
[ 5090.890929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.890929][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5090.890929][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5090.890929][   T10]      fib6_nh_init+0xa22/0x1580
[ 5090.890929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.890929][   T10]      ip6_route_add+0x1c/0x140
[ 5090.890929][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5090.890929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.890929][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.890929][   T10]      netlink_unicast+0x449/0x710
[ 5090.890929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.890929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.890929][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.890929][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.890929][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.890929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.890929][   T10] 
[ 5090.892809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.892809][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.892809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.892809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.892809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5090.892809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5090.892809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5090.892809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5090.892809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5090.892809][   T10]      addrconf_dad_begin+0x310/0x670
[ 5090.892809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5090.892809][   T10]      process_one_work+0x84d/0x18a0
[ 5090.892809][   T10]      worker_thread+0x587/0xd30
[ 5090.892809][   T10]      kthread+0x28a/0x350
[ 5090.892809][   T10]      ret_from_fork+0x31/0x70
[ 5090.892809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5090.892809][   T10] 
[ 5090.894672][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.894672][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.894672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.894672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.894672][   T10]      ip6_route_add+0x1c/0x140
[ 5090.894672][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5090.894672][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5090.894672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.894672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.894672][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.894672][   T10]      netlink_unicast+0x449/0x710
[ 5090.894672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.894672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.894672][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.894672][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.894672][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.894672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.894672][   T10] 
[ 5090.896635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.896635][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.896635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.896635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.896635][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5090.896635][   T10]      ipv6_add_addr+0x411/0x2000
[ 5090.896635][   T10]      inet6_addr_add+0x30e/0xa40
[ 5090.896635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.896635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.896635][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.896635][   T10]      netlink_unicast+0x449/0x710
[ 5090.896635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.896635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.896635][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.896635][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.896635][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.896635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.896635][   T10] 
[ 5090.898607][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.898607][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.898607][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.898607][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.898607][   T10]      ip6_route_add+0x1c/0x140
[ 5090.898607][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5090.898607][   T10]      addrconf_add_dev+0xe2/0x170
[ 5090.898607][   T10]      inet6_addr_add+0x12f/0xa40
[ 5090.898607][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.898607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.898607][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.898607][   T10]      netlink_unicast+0x449/0x710
[ 5090.898607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.898607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.898607][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.898607][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.898607][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.898607][   T10] 
[ 5090.900578][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.900578][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5090.900578][   T10]      ipv6_find_idev+0x102/0x170
[ 5090.900578][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5090.900578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.900578][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.900578][   T10]      netlink_unicast+0x449/0x710
[ 5090.900578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.900578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.900578][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.900578][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.900578][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.900578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.900578][   T10] 
[ 5090.902124][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5090.902124][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5090.902124][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5090.902124][   T10]      ipv6_find_idev+0x102/0x170
[ 5090.902124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5090.902124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.902124][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.902124][   T10]      netlink_unicast+0x449/0x710
[ 5090.902124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.902124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.902124][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.902124][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.902124][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.902124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.902124][   T10] 
[ 5090.903829][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5090.904071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.904071][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5090.904071][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5090.904071][   T10]      fib6_nh_init+0xa22/0x1580
[ 5090.904071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.904071][   T10]      ip6_route_add+0x1c/0x140
[ 5090.904071][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5090.904071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.904071][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.904071][   T10]      netlink_unicast+0x449/0x710
[ 5090.904071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.904071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.904071][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.904071][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.904071][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.904071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.904071][   T10] 
[ 5090.906058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.906058][   T10]      dst_init+0x84/0x4a0
[ 5090.906058][   T10]      dst_alloc+0x97/0x150
[ 5090.906058][   T10]      ip6_dst_alloc+0x23/0x90
[ 5090.906058][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5090.906058][   T10]      ip6_pol_route+0x56f/0x840
[ 5090.906058][   T10]      fib6_rule_lookup+0x456/0x630
[ 5090.906058][   T10]      ip6_route_input+0x59c/0xa50
[ 5090.906058][   T10]      ipv6_rcv+0x397/0x810
[ 5090.906058][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5090.906058][   T10]      process_backlog+0x101/0x620
[ 5090.906058][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5090.906058][   T10]      net_rx_action+0x495/0xbe0
[ 5090.906058][   T10]      __do_softirq+0x1b5/0x7f6
[ 5090.906058][   T10] 
[ 5090.907699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.907699][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.907699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.907699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.907699][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5090.907699][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5090.907699][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5090.907699][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5090.907699][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5090.907699][   T10]      addrconf_dad_begin+0x310/0x670
[ 5090.907699][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5090.907699][   T10]      process_one_work+0x84d/0x18a0
[ 5090.907699][   T10]      worker_thread+0x587/0xd30
[ 5090.907699][   T10]      kthread+0x28a/0x350
[ 5090.907699][   T10]      ret_from_fork+0x31/0x70
[ 5090.907699][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5090.907699][   T10] 
[ 5090.909610][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.909610][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.909610][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.909610][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.909610][   T10]      ip6_route_add+0x1c/0x140
[ 5090.909610][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5090.909610][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5090.909610][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.909610][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.909610][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.909610][   T10]      netlink_unicast+0x449/0x710
[ 5090.909610][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.909610][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.909610][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.909610][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.909610][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.909610][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.909610][   T10] 
[ 5090.911603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.911603][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.911603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.911603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.911603][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5090.911603][   T10]      ipv6_add_addr+0x411/0x2000
[ 5090.911603][   T10]      inet6_addr_add+0x30e/0xa40
[ 5090.911603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.911603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.911603][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.911603][   T10]      netlink_unicast+0x449/0x710
[ 5090.911603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.911603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.911603][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.911603][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.911603][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.911603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.911603][   T10] 
[ 5090.913618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.913618][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.913618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.913618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.913618][   T10]      ip6_route_add+0x1c/0x140
[ 5090.913618][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5090.913618][   T10]      addrconf_add_dev+0xe2/0x170
[ 5090.913618][   T10]      inet6_addr_add+0x12f/0xa40
[ 5090.913618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.913618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.913618][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.913618][   T10]      netlink_unicast+0x449/0x710
[ 5090.913618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.913618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.913618][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.913618][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.913618][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.913618][   T10] 
[ 5090.915716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.915716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5090.915716][   T10]      ipv6_find_idev+0x102/0x170
[ 5090.915716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5090.915716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.915716][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.915716][   T10]      netlink_unicast+0x449/0x710
[ 5090.915716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.915716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.915716][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.915716][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.915716][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.915716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.915716][   T10] 
[ 5090.917499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5090.917499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5090.917499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5090.917499][   T10]      ipv6_find_idev+0x102/0x170
[ 5090.917499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5090.917499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.917499][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.917499][   T10]      netlink_unicast+0x449/0x710
[ 5090.917499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.917499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.917499][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.917499][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.917499][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.917499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.917499][   T10] 
[ 5090.919360][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5090.919674][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5090.919674][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.919674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.919674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.919674][   T10]      ip6_route_add+0x1c/0x140
[ 5090.919674][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5090.919674][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5090.919674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.919674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.919674][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.919674][   T10]      netlink_unicast+0x449/0x710
[ 5090.919674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.919674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.919674][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.919674][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.919674][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.919674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.919674][   T10] 
[ 5090.921912][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5090.921912][   T10]      netdev_get_by_index+0x5e/0x80
[ 5090.921912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5090.921912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5090.921912][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5090.921912][   T10]      ipv6_add_addr+0x411/0x2000
[ 5090.921912][   T10]      inet6_addr_add+0x30e/0xa40
[ 5090.921912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5090.921912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.921912][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.921912][   T10]      netlink_unicast+0x449/0x710
[ 5090.921912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.921912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.921912][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.921912][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.921912][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.921912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.921912][   T10] 
[ 5090.924096][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5090.924096][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5090.924096][   T10]      ipv6_find_idev+0x102/0x170
[ 5090.924096][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5090.924096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.924096][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.924096][   T10]      netlink_unicast+0x449/0x710
[ 5090.924096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.924096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.924096][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.924096][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.924096][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.924096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.924096][   T10] 
[ 5090.925809][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5090.925809][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5090.925809][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5090.925809][   T10]      ipv6_find_idev+0x102/0x170
[ 5090.925809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5090.925809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5090.925809][   T10]      netlink_rcv_skb+0x130/0x360
[ 5090.925809][   T10]      netlink_unicast+0x449/0x710
[ 5090.925809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5090.925809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5090.925809][   T10]      ___sys_sendmsg+0xee/0x170
[ 5090.925809][   T10]      __sys_sendmsg+0xcd/0x170
[ 5090.925809][   T10]      do_syscall_64+0xc6/0x1e0
[ 5090.925809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5090.925809][   T10] 
[ 5101.040633][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5101.041095][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.041095][   T10]      dst_init+0x84/0x4a0
[ 5101.041095][   T10]      dst_alloc+0x97/0x150
[ 5101.041095][   T10]      ip6_dst_alloc+0x23/0x90
[ 5101.041095][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5101.041095][   T10]      ip6_pol_route+0x56f/0x840
[ 5101.041095][   T10]      fib6_rule_lookup+0x456/0x630
[ 5101.041095][   T10]      ip6_route_input+0x59c/0xa50
[ 5101.041095][   T10]      ipv6_rcv+0x397/0x810
[ 5101.041095][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5101.041095][   T10]      process_backlog+0x101/0x620
[ 5101.041095][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5101.041095][   T10]      net_rx_action+0x495/0xbe0
[ 5101.041095][   T10]      __do_softirq+0x1b5/0x7f6
[ 5101.041095][   T10] 
[ 5101.042779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.042779][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5101.042779][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5101.042779][   T10]      fib6_nh_init+0xa22/0x1580
[ 5101.042779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.042779][   T10]      ip6_route_add+0x1c/0x140
[ 5101.042779][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5101.042779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.042779][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.042779][   T10]      netlink_unicast+0x449/0x710
[ 5101.042779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.042779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.042779][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.042779][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.042779][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.042779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.042779][   T10] 
[ 5101.044685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.044685][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.044685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.044685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.044685][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5101.044685][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5101.044685][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5101.044685][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5101.044685][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5101.044685][   T10]      addrconf_dad_begin+0x310/0x670
[ 5101.044685][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5101.044685][   T10]      process_one_work+0x84d/0x18a0
[ 5101.044685][   T10]      worker_thread+0x587/0xd30
[ 5101.044685][   T10]      kthread+0x28a/0x350
[ 5101.044685][   T10]      ret_from_fork+0x31/0x70
[ 5101.044685][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5101.044685][   T10] 
[ 5101.046592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.046592][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.046592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.046592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.046592][   T10]      ip6_route_add+0x1c/0x140
[ 5101.046592][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5101.046592][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5101.046592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.046592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.046592][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.046592][   T10]      netlink_unicast+0x449/0x710
[ 5101.046592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.046592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.046592][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.046592][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.046592][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.046592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.046592][   T10] 
[ 5101.048592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.048592][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.048592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.048592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.048592][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5101.048592][   T10]      ipv6_add_addr+0x411/0x2000
[ 5101.048592][   T10]      inet6_addr_add+0x30e/0xa40
[ 5101.048592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.048592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.048592][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.048592][   T10]      netlink_unicast+0x449/0x710
[ 5101.048592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.048592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.048592][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.048592][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.048592][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.048592][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.048592][   T10] 
[ 5101.050591][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.050591][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.050591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.050591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.050591][   T10]      ip6_route_add+0x1c/0x140
[ 5101.050591][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5101.050591][   T10]      addrconf_add_dev+0xe2/0x170
[ 5101.050591][   T10]      inet6_addr_add+0x12f/0xa40
[ 5101.050591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.050591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.050591][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.050591][   T10]      netlink_unicast+0x449/0x710
[ 5101.050591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.050591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.050591][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.050591][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.050591][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.050591][   T10] 
[ 5101.052576][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.052576][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5101.052576][   T10]      ipv6_find_idev+0x102/0x170
[ 5101.052576][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5101.052576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.052576][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.052576][   T10]      netlink_unicast+0x449/0x710
[ 5101.052576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.052576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.052576][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.052576][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.052576][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.052576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.052576][   T10] 
[ 5101.054112][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5101.054112][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5101.054112][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5101.054112][   T10]      ipv6_find_idev+0x102/0x170
[ 5101.054112][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5101.054112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.054112][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.054112][   T10]      netlink_unicast+0x449/0x710
[ 5101.054112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.054112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.054112][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.054112][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.054112][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.054112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.054112][   T10] 
[ 5101.055819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5101.056058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.056058][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5101.056058][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5101.056058][   T10]      fib6_nh_init+0xa22/0x1580
[ 5101.056058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.056058][   T10]      ip6_route_add+0x1c/0x140
[ 5101.056058][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5101.056058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.056058][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.056058][   T10]      netlink_unicast+0x449/0x710
[ 5101.056058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.056058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.056058][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.056058][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.056058][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.056058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.056058][   T10] 
[ 5101.057940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.057940][   T10]      dst_init+0x84/0x4a0
[ 5101.057940][   T10]      dst_alloc+0x97/0x150
[ 5101.057940][   T10]      ip6_dst_alloc+0x23/0x90
[ 5101.057940][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5101.057940][   T10]      ip6_pol_route+0x56f/0x840
[ 5101.057940][   T10]      fib6_rule_lookup+0x456/0x630
[ 5101.057940][   T10]      ip6_route_input+0x59c/0xa50
[ 5101.057940][   T10]      ipv6_rcv+0x397/0x810
[ 5101.057940][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5101.057940][   T10]      process_backlog+0x101/0x620
[ 5101.057940][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5101.057940][   T10]      net_rx_action+0x495/0xbe0
[ 5101.057940][   T10]      __do_softirq+0x1b5/0x7f6
[ 5101.057940][   T10] 
[ 5101.059571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.059571][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.059571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.059571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.059571][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5101.059571][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5101.059571][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5101.059571][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5101.059571][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5101.059571][   T10]      addrconf_dad_begin+0x310/0x670
[ 5101.059571][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5101.059571][   T10]      process_one_work+0x84d/0x18a0
[ 5101.059571][   T10]      worker_thread+0x587/0xd30
[ 5101.059571][   T10]      kthread+0x28a/0x350
[ 5101.059571][   T10]      ret_from_fork+0x31/0x70
[ 5101.059571][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5101.059571][   T10] 
[ 5101.061479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.061479][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.061479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.061479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.061479][   T10]      ip6_route_add+0x1c/0x140
[ 5101.061479][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5101.061479][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5101.061479][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.061479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.061479][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.061479][   T10]      netlink_unicast+0x449/0x710
[ 5101.061479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.061479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.061479][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.061479][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.061479][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.061479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.061479][   T10] 
[ 5101.063481][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.063481][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.063481][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.063481][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.063481][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5101.063481][   T10]      ipv6_add_addr+0x411/0x2000
[ 5101.063481][   T10]      inet6_addr_add+0x30e/0xa40
[ 5101.063481][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.063481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.063481][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.063481][   T10]      netlink_unicast+0x449/0x710
[ 5101.063481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.063481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.063481][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.063481][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.063481][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.063481][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.063481][   T10] 
[ 5101.065472][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.065472][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.065472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.065472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.065472][   T10]      ip6_route_add+0x1c/0x140
[ 5101.065472][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5101.065472][   T10]      addrconf_add_dev+0xe2/0x170
[ 5101.065472][   T10]      inet6_addr_add+0x12f/0xa40
[ 5101.065472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.065472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.065472][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.065472][   T10]      netlink_unicast+0x449/0x710
[ 5101.065472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.065472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.065472][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.065472][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.065472][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.065472][   T10] 
[ 5101.067508][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.067508][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5101.067508][   T10]      ipv6_find_idev+0x102/0x170
[ 5101.067508][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5101.067508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.067508][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.067508][   T10]      netlink_unicast+0x449/0x710
[ 5101.067508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.067508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.067508][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.067508][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.067508][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.067508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.067508][   T10] 
[ 5101.069173][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5101.069173][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5101.069173][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5101.069173][   T10]      ipv6_find_idev+0x102/0x170
[ 5101.069173][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5101.069173][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.069173][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.069173][   T10]      netlink_unicast+0x449/0x710
[ 5101.069173][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.069173][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.069173][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.069173][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.069173][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.069173][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.069173][   T10] 
[ 5101.070995][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5101.071231][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5101.071231][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.071231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.071231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.071231][   T10]      ip6_route_add+0x1c/0x140
[ 5101.071231][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5101.071231][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5101.071231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.071231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.071231][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.071231][   T10]      netlink_unicast+0x449/0x710
[ 5101.071231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.071231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.071231][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.071231][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.071231][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.071231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.071231][   T10] 
[ 5101.073380][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5101.073380][   T10]      netdev_get_by_index+0x5e/0x80
[ 5101.073380][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5101.073380][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5101.073380][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5101.073380][   T10]      ipv6_add_addr+0x411/0x2000
[ 5101.073380][   T10]      inet6_addr_add+0x30e/0xa40
[ 5101.073380][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5101.073380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.073380][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.073380][   T10]      netlink_unicast+0x449/0x710
[ 5101.073380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.073380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.073380][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.073380][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.073380][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.073380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.073380][   T10] 
[ 5101.075449][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5101.075449][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5101.075449][   T10]      ipv6_find_idev+0x102/0x170
[ 5101.075449][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5101.075449][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.075449][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.075449][   T10]      netlink_unicast+0x449/0x710
[ 5101.075449][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.075449][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.075449][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.075449][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.075449][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.075449][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.075449][   T10] 
[ 5101.077129][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5101.077129][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5101.077129][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5101.077129][   T10]      ipv6_find_idev+0x102/0x170
[ 5101.077129][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5101.077129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5101.077129][   T10]      netlink_rcv_skb+0x130/0x360
[ 5101.077129][   T10]      netlink_unicast+0x449/0x710
[ 5101.077129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5101.077129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5101.077129][   T10]      ___sys_sendmsg+0xee/0x170
[ 5101.077129][   T10]      __sys_sendmsg+0xcd/0x170
[ 5101.077129][   T10]      do_syscall_64+0xc6/0x1e0
[ 5101.077129][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5101.077129][   T10] 
[ 5111.201627][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5111.202079][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.202079][   T10]      dst_init+0x84/0x4a0
[ 5111.202079][   T10]      dst_alloc+0x97/0x150
[ 5111.202079][   T10]      ip6_dst_alloc+0x23/0x90
[ 5111.202079][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5111.202079][   T10]      ip6_pol_route+0x56f/0x840
[ 5111.202079][   T10]      fib6_rule_lookup+0x456/0x630
[ 5111.202079][   T10]      ip6_route_input+0x59c/0xa50
[ 5111.202079][   T10]      ipv6_rcv+0x397/0x810
[ 5111.202079][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5111.202079][   T10]      process_backlog+0x101/0x620
[ 5111.202079][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5111.202079][   T10]      net_rx_action+0x495/0xbe0
[ 5111.202079][   T10]      __do_softirq+0x1b5/0x7f6
[ 5111.202079][   T10] 
[ 5111.203755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.203755][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5111.203755][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5111.203755][   T10]      fib6_nh_init+0xa22/0x1580
[ 5111.203755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.203755][   T10]      ip6_route_add+0x1c/0x140
[ 5111.203755][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5111.203755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.203755][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.203755][   T10]      netlink_unicast+0x449/0x710
[ 5111.203755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.203755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.203755][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.203755][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.203755][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.203755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.203755][   T10] 
[ 5111.205641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.205641][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.205641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.205641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.205641][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5111.205641][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5111.205641][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5111.205641][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5111.205641][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5111.205641][   T10]      addrconf_dad_begin+0x310/0x670
[ 5111.205641][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5111.205641][   T10]      process_one_work+0x84d/0x18a0
[ 5111.205641][   T10]      worker_thread+0x587/0xd30
[ 5111.205641][   T10]      kthread+0x28a/0x350
[ 5111.205641][   T10]      ret_from_fork+0x31/0x70
[ 5111.205641][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5111.205641][   T10] 
[ 5111.207547][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.207547][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.207547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.207547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.207547][   T10]      ip6_route_add+0x1c/0x140
[ 5111.207547][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5111.207547][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5111.207547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.207547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.207547][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.207547][   T10]      netlink_unicast+0x449/0x710
[ 5111.207547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.207547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.207547][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.207547][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.207547][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.207547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.207547][   T10] 
[ 5111.209550][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.209550][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.209550][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.209550][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.209550][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5111.209550][   T10]      ipv6_add_addr+0x411/0x2000
[ 5111.209550][   T10]      inet6_addr_add+0x30e/0xa40
[ 5111.209550][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.209550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.209550][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.209550][   T10]      netlink_unicast+0x449/0x710
[ 5111.209550][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.209550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.209550][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.209550][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.209550][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.209550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.209550][   T10] 
[ 5111.211554][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.211554][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.211554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.211554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.211554][   T10]      ip6_route_add+0x1c/0x140
[ 5111.211554][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5111.211554][   T10]      addrconf_add_dev+0xe2/0x170
[ 5111.211554][   T10]      inet6_addr_add+0x12f/0xa40
[ 5111.211554][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.211554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.211554][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.211554][   T10]      netlink_unicast+0x449/0x710
[ 5111.211554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.211554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.211554][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.211554][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.211554][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.211554][   T10] 
[ 5111.213563][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.213563][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5111.213563][   T10]      ipv6_find_idev+0x102/0x170
[ 5111.213563][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5111.213563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.213563][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.213563][   T10]      netlink_unicast+0x449/0x710
[ 5111.213563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.213563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.213563][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.213563][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.213563][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.213563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.213563][   T10] 
[ 5111.215112][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5111.215112][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5111.215112][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5111.215112][   T10]      ipv6_find_idev+0x102/0x170
[ 5111.215112][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5111.215112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.215112][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.215112][   T10]      netlink_unicast+0x449/0x710
[ 5111.215112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.215112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.215112][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.215112][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.215112][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.215112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.215112][   T10] 
[ 5111.216818][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5111.217057][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.217057][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5111.217057][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5111.217057][   T10]      fib6_nh_init+0xa22/0x1580
[ 5111.217057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.217057][   T10]      ip6_route_add+0x1c/0x140
[ 5111.217057][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5111.217057][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.217057][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.217057][   T10]      netlink_unicast+0x449/0x710
[ 5111.217057][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.217057][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.217057][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.217057][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.217057][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.217057][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.217057][   T10] 
[ 5111.218935][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.218935][   T10]      dst_init+0x84/0x4a0
[ 5111.218935][   T10]      dst_alloc+0x97/0x150
[ 5111.218935][   T10]      ip6_dst_alloc+0x23/0x90
[ 5111.218935][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5111.218935][   T10]      ip6_pol_route+0x56f/0x840
[ 5111.218935][   T10]      fib6_rule_lookup+0x456/0x630
[ 5111.218935][   T10]      ip6_route_input+0x59c/0xa50
[ 5111.218935][   T10]      ipv6_rcv+0x397/0x810
[ 5111.218935][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5111.218935][   T10]      process_backlog+0x101/0x620
[ 5111.218935][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5111.218935][   T10]      net_rx_action+0x495/0xbe0
[ 5111.218935][   T10]      __do_softirq+0x1b5/0x7f6
[ 5111.218935][   T10] 
[ 5111.220574][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.220574][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.220574][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.220574][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.220574][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5111.220574][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5111.220574][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5111.220574][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5111.220574][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5111.220574][   T10]      addrconf_dad_begin+0x310/0x670
[ 5111.220574][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5111.220574][   T10]      process_one_work+0x84d/0x18a0
[ 5111.220574][   T10]      worker_thread+0x587/0xd30
[ 5111.220574][   T10]      kthread+0x28a/0x350
[ 5111.220574][   T10]      ret_from_fork+0x31/0x70
[ 5111.220574][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5111.220574][   T10] 
[ 5111.222481][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.222481][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.222481][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.222481][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.222481][   T10]      ip6_route_add+0x1c/0x140
[ 5111.222481][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5111.222481][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5111.222481][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.222481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.222481][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.222481][   T10]      netlink_unicast+0x449/0x710
[ 5111.222481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.222481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.222481][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.222481][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.222481][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.222481][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.222481][   T10] 
[ 5111.224494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.224494][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.224494][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.224494][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.224494][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5111.224494][   T10]      ipv6_add_addr+0x411/0x2000
[ 5111.224494][   T10]      inet6_addr_add+0x30e/0xa40
[ 5111.224494][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.224494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.224494][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.224494][   T10]      netlink_unicast+0x449/0x710
[ 5111.224494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.224494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.224494][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.224494][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.224494][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.224494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.224494][   T10] 
[ 5111.226489][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.226489][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.226489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.226489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.226489][   T10]      ip6_route_add+0x1c/0x140
[ 5111.226489][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5111.226489][   T10]      addrconf_add_dev+0xe2/0x170
[ 5111.226489][   T10]      inet6_addr_add+0x12f/0xa40
[ 5111.226489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.226489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.226489][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.226489][   T10]      netlink_unicast+0x449/0x710
[ 5111.226489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.226489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.226489][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.226489][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.226489][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.226489][   T10] 
[ 5111.228574][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.228574][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5111.228574][   T10]      ipv6_find_idev+0x102/0x170
[ 5111.228574][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5111.228574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.228574][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.228574][   T10]      netlink_unicast+0x449/0x710
[ 5111.228574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.228574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.228574][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.228574][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.228574][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.228574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.228574][   T10] 
[ 5111.230291][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5111.230291][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5111.230291][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5111.230291][   T10]      ipv6_find_idev+0x102/0x170
[ 5111.230291][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5111.230291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.230291][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.230291][   T10]      netlink_unicast+0x449/0x710
[ 5111.230291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.230291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.230291][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.230291][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.230291][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.230291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.230291][   T10] 
[ 5111.232337][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5111.232655][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5111.232655][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.232655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.232655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.232655][   T10]      ip6_route_add+0x1c/0x140
[ 5111.232655][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5111.232655][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5111.232655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.232655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.232655][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.232655][   T10]      netlink_unicast+0x449/0x710
[ 5111.232655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.232655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.232655][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.232655][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.232655][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.232655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.232655][   T10] 
[ 5111.234906][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5111.234906][   T10]      netdev_get_by_index+0x5e/0x80
[ 5111.234906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5111.234906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5111.234906][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5111.234906][   T10]      ipv6_add_addr+0x411/0x2000
[ 5111.234906][   T10]      inet6_addr_add+0x30e/0xa40
[ 5111.234906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5111.234906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.234906][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.234906][   T10]      netlink_unicast+0x449/0x710
[ 5111.234906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.234906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.234906][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.234906][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.234906][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.234906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.234906][   T10] 
[ 5111.237077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5111.237077][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5111.237077][   T10]      ipv6_find_idev+0x102/0x170
[ 5111.237077][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5111.237077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.237077][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.237077][   T10]      netlink_unicast+0x449/0x710
[ 5111.237077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.237077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.237077][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.237077][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.237077][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.237077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.237077][   T10] 
[ 5111.238792][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5111.238792][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5111.238792][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5111.238792][   T10]      ipv6_find_idev+0x102/0x170
[ 5111.238792][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5111.238792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5111.238792][   T10]      netlink_rcv_skb+0x130/0x360
[ 5111.238792][   T10]      netlink_unicast+0x449/0x710
[ 5111.238792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5111.238792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5111.238792][   T10]      ___sys_sendmsg+0xee/0x170
[ 5111.238792][   T10]      __sys_sendmsg+0xcd/0x170
[ 5111.238792][   T10]      do_syscall_64+0xc6/0x1e0
[ 5111.238792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5111.238792][   T10] 
[ 5121.424702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5121.425177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.425177][   T10]      dst_init+0x84/0x4a0
[ 5121.425177][   T10]      dst_alloc+0x97/0x150
[ 5121.425177][   T10]      ip6_dst_alloc+0x23/0x90
[ 5121.425177][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5121.425177][   T10]      ip6_pol_route+0x56f/0x840
[ 5121.425177][   T10]      fib6_rule_lookup+0x456/0x630
[ 5121.425177][   T10]      ip6_route_input+0x59c/0xa50
[ 5121.425177][   T10]      ipv6_rcv+0x397/0x810
[ 5121.425177][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5121.425177][   T10]      process_backlog+0x101/0x620
[ 5121.425177][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5121.425177][   T10]      net_rx_action+0x495/0xbe0
[ 5121.425177][   T10]      __do_softirq+0x1b5/0x7f6
[ 5121.425177][   T10] 
[ 5121.426855][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.426855][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5121.426855][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5121.426855][   T10]      fib6_nh_init+0xa22/0x1580
[ 5121.426855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.426855][   T10]      ip6_route_add+0x1c/0x140
[ 5121.426855][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5121.426855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.426855][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.426855][   T10]      netlink_unicast+0x449/0x710
[ 5121.426855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.426855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.426855][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.426855][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.426855][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.426855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.426855][   T10] 
[ 5121.428788][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.428788][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.428788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.428788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.428788][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5121.428788][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5121.428788][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5121.428788][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5121.428788][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5121.428788][   T10]      addrconf_dad_begin+0x310/0x670
[ 5121.428788][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5121.428788][   T10]      process_one_work+0x84d/0x18a0
[ 5121.428788][   T10]      worker_thread+0x587/0xd30
[ 5121.428788][   T10]      kthread+0x28a/0x350
[ 5121.428788][   T10]      ret_from_fork+0x31/0x70
[ 5121.428788][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5121.428788][   T10] 
[ 5121.430707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.430707][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.430707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.430707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.430707][   T10]      ip6_route_add+0x1c/0x140
[ 5121.430707][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5121.430707][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5121.430707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.430707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.430707][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.430707][   T10]      netlink_unicast+0x449/0x710
[ 5121.430707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.430707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.430707][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.430707][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.430707][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.430707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.430707][   T10] 
[ 5121.432717][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.432717][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.432717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.432717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.432717][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5121.432717][   T10]      ipv6_add_addr+0x411/0x2000
[ 5121.432717][   T10]      inet6_addr_add+0x30e/0xa40
[ 5121.432717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.432717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.432717][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.432717][   T10]      netlink_unicast+0x449/0x710
[ 5121.432717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.432717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.432717][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.432717][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.432717][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.432717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.432717][   T10] 
[ 5121.434733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.434733][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.434733][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.434733][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.434733][   T10]      ip6_route_add+0x1c/0x140
[ 5121.434733][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5121.434733][   T10]      addrconf_add_dev+0xe2/0x170
[ 5121.434733][   T10]      inet6_addr_add+0x12f/0xa40
[ 5121.434733][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.434733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.434733][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.434733][   T10]      netlink_unicast+0x449/0x710
[ 5121.434733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.434733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.434733][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.434733][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.434733][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.434733][   T10] 
[ 5121.436808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.436808][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5121.436808][   T10]      ipv6_find_idev+0x102/0x170
[ 5121.436808][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5121.436808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.436808][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.436808][   T10]      netlink_unicast+0x449/0x710
[ 5121.436808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.436808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.436808][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.436808][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.436808][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.436808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.436808][   T10] 
[ 5121.438349][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5121.438349][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5121.438349][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5121.438349][   T10]      ipv6_find_idev+0x102/0x170
[ 5121.438349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5121.438349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.438349][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.438349][   T10]      netlink_unicast+0x449/0x710
[ 5121.438349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.438349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.438349][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.438349][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.438349][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.438349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.438349][   T10] 
[ 5121.440064][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5121.440305][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.440305][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5121.440305][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5121.440305][   T10]      fib6_nh_init+0xa22/0x1580
[ 5121.440305][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.440305][   T10]      ip6_route_add+0x1c/0x140
[ 5121.440305][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5121.440305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.440305][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.440305][   T10]      netlink_unicast+0x449/0x710
[ 5121.440305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.440305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.440305][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.440305][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.440305][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.440305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.440305][   T10] 
[ 5121.442187][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.442187][   T10]      dst_init+0x84/0x4a0
[ 5121.442187][   T10]      dst_alloc+0x97/0x150
[ 5121.442187][   T10]      ip6_dst_alloc+0x23/0x90
[ 5121.442187][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5121.442187][   T10]      ip6_pol_route+0x56f/0x840
[ 5121.442187][   T10]      fib6_rule_lookup+0x456/0x630
[ 5121.442187][   T10]      ip6_route_input+0x59c/0xa50
[ 5121.442187][   T10]      ipv6_rcv+0x397/0x810
[ 5121.442187][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5121.442187][   T10]      process_backlog+0x101/0x620
[ 5121.442187][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5121.442187][   T10]      net_rx_action+0x495/0xbe0
[ 5121.442187][   T10]      __do_softirq+0x1b5/0x7f6
[ 5121.442187][   T10] 
[ 5121.443814][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.443814][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.443814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.443814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.443814][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5121.443814][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5121.443814][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5121.443814][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5121.443814][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5121.443814][   T10]      addrconf_dad_begin+0x310/0x670
[ 5121.443814][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5121.443814][   T10]      process_one_work+0x84d/0x18a0
[ 5121.443814][   T10]      worker_thread+0x587/0xd30
[ 5121.443814][   T10]      kthread+0x28a/0x350
[ 5121.443814][   T10]      ret_from_fork+0x31/0x70
[ 5121.443814][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5121.443814][   T10] 
[ 5121.445712][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.445712][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.445712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.445712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.445712][   T10]      ip6_route_add+0x1c/0x140
[ 5121.445712][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5121.445712][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5121.445712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.445712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.445712][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.445712][   T10]      netlink_unicast+0x449/0x710
[ 5121.445712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.445712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.445712][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.445712][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.445712][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.445712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.445712][   T10] 
[ 5121.447708][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.447708][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.447708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.447708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.447708][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5121.447708][   T10]      ipv6_add_addr+0x411/0x2000
[ 5121.447708][   T10]      inet6_addr_add+0x30e/0xa40
[ 5121.447708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.447708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.447708][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.447708][   T10]      netlink_unicast+0x449/0x710
[ 5121.447708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.447708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.447708][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.447708][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.447708][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.447708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.447708][   T10] 
[ 5121.449699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.449699][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.449699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.449699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.449699][   T10]      ip6_route_add+0x1c/0x140
[ 5121.449699][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5121.449699][   T10]      addrconf_add_dev+0xe2/0x170
[ 5121.449699][   T10]      inet6_addr_add+0x12f/0xa40
[ 5121.449699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.449699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.449699][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.449699][   T10]      netlink_unicast+0x449/0x710
[ 5121.449699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.449699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.449699][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.449699][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.449699][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.449699][   T10] 
[ 5121.451786][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.451786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5121.451786][   T10]      ipv6_find_idev+0x102/0x170
[ 5121.451786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5121.451786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.451786][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.451786][   T10]      netlink_unicast+0x449/0x710
[ 5121.451786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.451786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.451786][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.451786][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.451786][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.451786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.451786][   T10] 
[ 5121.453580][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5121.453580][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5121.453580][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5121.453580][   T10]      ipv6_find_idev+0x102/0x170
[ 5121.453580][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5121.453580][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.453580][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.453580][   T10]      netlink_unicast+0x449/0x710
[ 5121.453580][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.453580][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.453580][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.453580][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.453580][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.453580][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.453580][   T10] 
[ 5121.455452][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5121.455775][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5121.455775][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.455775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.455775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.455775][   T10]      ip6_route_add+0x1c/0x140
[ 5121.455775][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5121.455775][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5121.455775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.455775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.455775][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.455775][   T10]      netlink_unicast+0x449/0x710
[ 5121.455775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.455775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.455775][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.455775][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.455775][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.455775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.455775][   T10] 
[ 5121.457955][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5121.457955][   T10]      netdev_get_by_index+0x5e/0x80
[ 5121.457955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5121.457955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5121.457955][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5121.457955][   T10]      ipv6_add_addr+0x411/0x2000
[ 5121.457955][   T10]      inet6_addr_add+0x30e/0xa40
[ 5121.457955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5121.457955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.457955][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.457955][   T10]      netlink_unicast+0x449/0x710
[ 5121.457955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.457955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.457955][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.457955][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.457955][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.457955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.457955][   T10] 
[ 5121.460139][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5121.460139][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5121.460139][   T10]      ipv6_find_idev+0x102/0x170
[ 5121.460139][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5121.460139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.460139][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.460139][   T10]      netlink_unicast+0x449/0x710
[ 5121.460139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.460139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.460139][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.460139][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.460139][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.460139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.460139][   T10] 
[ 5121.461862][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5121.461862][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5121.461862][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5121.461862][   T10]      ipv6_find_idev+0x102/0x170
[ 5121.461862][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5121.461862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5121.461862][   T10]      netlink_rcv_skb+0x130/0x360
[ 5121.461862][   T10]      netlink_unicast+0x449/0x710
[ 5121.461862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5121.461862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5121.461862][   T10]      ___sys_sendmsg+0xee/0x170
[ 5121.461862][   T10]      __sys_sendmsg+0xcd/0x170
[ 5121.461862][   T10]      do_syscall_64+0xc6/0x1e0
[ 5121.461862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5121.461862][   T10] 
[ 5131.704780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5131.705186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.705186][   T10]      dst_init+0x84/0x4a0
[ 5131.705186][   T10]      dst_alloc+0x97/0x150
[ 5131.705186][   T10]      ip6_dst_alloc+0x23/0x90
[ 5131.705186][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5131.705186][   T10]      ip6_pol_route+0x56f/0x840
[ 5131.705186][   T10]      fib6_rule_lookup+0x456/0x630
[ 5131.705186][   T10]      ip6_route_input+0x59c/0xa50
[ 5131.705186][   T10]      ipv6_rcv+0x397/0x810
[ 5131.705186][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5131.705186][   T10]      process_backlog+0x101/0x620
[ 5131.705186][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5131.705186][   T10]      net_rx_action+0x495/0xbe0
[ 5131.705186][   T10]      __do_softirq+0x1b5/0x7f6
[ 5131.705186][   T10] 
[ 5131.706980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.706980][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5131.706980][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5131.706980][   T10]      fib6_nh_init+0xa22/0x1580
[ 5131.706980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.706980][   T10]      ip6_route_add+0x1c/0x140
[ 5131.706980][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5131.706980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.706980][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.706980][   T10]      netlink_unicast+0x449/0x710
[ 5131.706980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.706980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.706980][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.706980][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.706980][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.706980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.706980][   T10] 
[ 5131.708885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.708885][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.708885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.708885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.708885][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5131.708885][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5131.708885][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5131.708885][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5131.708885][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5131.708885][   T10]      addrconf_dad_begin+0x310/0x670
[ 5131.708885][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5131.708885][   T10]      process_one_work+0x84d/0x18a0
[ 5131.708885][   T10]      worker_thread+0x587/0xd30
[ 5131.708885][   T10]      kthread+0x28a/0x350
[ 5131.708885][   T10]      ret_from_fork+0x31/0x70
[ 5131.708885][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5131.708885][   T10] 
[ 5131.710800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.710800][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.710800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.710800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.710800][   T10]      ip6_route_add+0x1c/0x140
[ 5131.710800][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5131.710800][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5131.710800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.710800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.710800][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.710800][   T10]      netlink_unicast+0x449/0x710
[ 5131.710800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.710800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.710800][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.710800][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.710800][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.710800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.710800][   T10] 
[ 5131.712819][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.712819][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.712819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.712819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.712819][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5131.712819][   T10]      ipv6_add_addr+0x411/0x2000
[ 5131.712819][   T10]      inet6_addr_add+0x30e/0xa40
[ 5131.712819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.712819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.712819][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.712819][   T10]      netlink_unicast+0x449/0x710
[ 5131.712819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.712819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.712819][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.712819][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.712819][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.712819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.712819][   T10] 
[ 5131.714828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.714828][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.714828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.714828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.714828][   T10]      ip6_route_add+0x1c/0x140
[ 5131.714828][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5131.714828][   T10]      addrconf_add_dev+0xe2/0x170
[ 5131.714828][   T10]      inet6_addr_add+0x12f/0xa40
[ 5131.714828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.714828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.714828][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.714828][   T10]      netlink_unicast+0x449/0x710
[ 5131.714828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.714828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.714828][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.714828][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.714828][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.714828][   T10] 
[ 5131.716802][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.716802][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5131.716802][   T10]      ipv6_find_idev+0x102/0x170
[ 5131.716802][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5131.716802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.716802][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.716802][   T10]      netlink_unicast+0x449/0x710
[ 5131.716802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.716802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.716802][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.716802][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.716802][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.716802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.716802][   T10] 
[ 5131.718350][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5131.718350][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5131.718350][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5131.718350][   T10]      ipv6_find_idev+0x102/0x170
[ 5131.718350][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5131.718350][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.718350][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.718350][   T10]      netlink_unicast+0x449/0x710
[ 5131.718350][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.718350][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.718350][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.718350][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.718350][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.718350][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.718350][   T10] 
[ 5131.720065][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5131.720315][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.720315][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5131.720315][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5131.720315][   T10]      fib6_nh_init+0xa22/0x1580
[ 5131.720315][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.720315][   T10]      ip6_route_add+0x1c/0x140
[ 5131.720315][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5131.720315][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.720315][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.720315][   T10]      netlink_unicast+0x449/0x710
[ 5131.720315][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.720315][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.720315][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.720315][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.720315][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.720315][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.720315][   T10] 
[ 5131.722222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.722222][   T10]      dst_init+0x84/0x4a0
[ 5131.722222][   T10]      dst_alloc+0x97/0x150
[ 5131.722222][   T10]      ip6_dst_alloc+0x23/0x90
[ 5131.722222][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5131.722222][   T10]      ip6_pol_route+0x56f/0x840
[ 5131.722222][   T10]      fib6_rule_lookup+0x456/0x630
[ 5131.722222][   T10]      ip6_route_input+0x59c/0xa50
[ 5131.722222][   T10]      ipv6_rcv+0x397/0x810
[ 5131.722222][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5131.722222][   T10]      process_backlog+0x101/0x620
[ 5131.722222][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5131.722222][   T10]      net_rx_action+0x495/0xbe0
[ 5131.722222][   T10]      __do_softirq+0x1b5/0x7f6
[ 5131.722222][   T10] 
[ 5131.723893][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.723893][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.723893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.723893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.723893][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5131.723893][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5131.723893][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5131.723893][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5131.723893][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5131.723893][   T10]      addrconf_dad_begin+0x310/0x670
[ 5131.723893][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5131.723893][   T10]      process_one_work+0x84d/0x18a0
[ 5131.723893][   T10]      worker_thread+0x587/0xd30
[ 5131.723893][   T10]      kthread+0x28a/0x350
[ 5131.723893][   T10]      ret_from_fork+0x31/0x70
[ 5131.723893][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5131.723893][   T10] 
[ 5131.725798][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.725798][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.725798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.725798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.725798][   T10]      ip6_route_add+0x1c/0x140
[ 5131.725798][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5131.725798][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5131.725798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.725798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.725798][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.725798][   T10]      netlink_unicast+0x449/0x710
[ 5131.725798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.725798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.725798][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.725798][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.725798][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.725798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.725798][   T10] 
[ 5131.727805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.727805][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.727805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.727805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.727805][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5131.727805][   T10]      ipv6_add_addr+0x411/0x2000
[ 5131.727805][   T10]      inet6_addr_add+0x30e/0xa40
[ 5131.727805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.727805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.727805][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.727805][   T10]      netlink_unicast+0x449/0x710
[ 5131.727805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.727805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.727805][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.727805][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.727805][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.727805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.727805][   T10] 
[ 5131.729802][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.729802][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.729802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.729802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.729802][   T10]      ip6_route_add+0x1c/0x140
[ 5131.729802][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5131.729802][   T10]      addrconf_add_dev+0xe2/0x170
[ 5131.729802][   T10]      inet6_addr_add+0x12f/0xa40
[ 5131.729802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.729802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.729802][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.729802][   T10]      netlink_unicast+0x449/0x710
[ 5131.729802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.729802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.729802][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.729802][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.729802][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.729802][   T10] 
[ 5131.731955][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.731955][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5131.731955][   T10]      ipv6_find_idev+0x102/0x170
[ 5131.731955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5131.731955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.731955][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.731955][   T10]      netlink_unicast+0x449/0x710
[ 5131.731955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.731955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.731955][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.731955][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.731955][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.731955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.731955][   T10] 
[ 5131.733707][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5131.733707][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5131.733707][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5131.733707][   T10]      ipv6_find_idev+0x102/0x170
[ 5131.733707][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5131.733707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.733707][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.733707][   T10]      netlink_unicast+0x449/0x710
[ 5131.733707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.733707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.733707][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.733707][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.733707][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.733707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.733707][   T10] 
[ 5131.735639][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5131.735879][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5131.735879][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.735879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.735879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.735879][   T10]      ip6_route_add+0x1c/0x140
[ 5131.735879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5131.735879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5131.735879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.735879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.735879][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.735879][   T10]      netlink_unicast+0x449/0x710
[ 5131.735879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.735879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.735879][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.735879][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.735879][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.735879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.735879][   T10] 
[ 5131.738120][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5131.738120][   T10]      netdev_get_by_index+0x5e/0x80
[ 5131.738120][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5131.738120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5131.738120][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5131.738120][   T10]      ipv6_add_addr+0x411/0x2000
[ 5131.738120][   T10]      inet6_addr_add+0x30e/0xa40
[ 5131.738120][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5131.738120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.738120][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.738120][   T10]      netlink_unicast+0x449/0x710
[ 5131.738120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.738120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.738120][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.738120][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.738120][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.738120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.738120][   T10] 
[ 5131.740364][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5131.740364][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5131.740364][   T10]      ipv6_find_idev+0x102/0x170
[ 5131.740364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5131.740364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.740364][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.740364][   T10]      netlink_unicast+0x449/0x710
[ 5131.740364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.740364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.740364][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.740364][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.740364][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.740364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.740364][   T10] 
[ 5131.742095][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5131.742095][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5131.742095][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5131.742095][   T10]      ipv6_find_idev+0x102/0x170
[ 5131.742095][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5131.742095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5131.742095][   T10]      netlink_rcv_skb+0x130/0x360
[ 5131.742095][   T10]      netlink_unicast+0x449/0x710
[ 5131.742095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5131.742095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5131.742095][   T10]      ___sys_sendmsg+0xee/0x170
[ 5131.742095][   T10]      __sys_sendmsg+0xcd/0x170
[ 5131.742095][   T10]      do_syscall_64+0xc6/0x1e0
[ 5131.742095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5131.742095][   T10] 
[ 5141.984702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5141.985153][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.985153][   T10]      dst_init+0x84/0x4a0
[ 5141.985153][   T10]      dst_alloc+0x97/0x150
[ 5141.985153][   T10]      ip6_dst_alloc+0x23/0x90
[ 5141.985153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5141.985153][   T10]      ip6_pol_route+0x56f/0x840
[ 5141.985153][   T10]      fib6_rule_lookup+0x456/0x630
[ 5141.985153][   T10]      ip6_route_input+0x59c/0xa50
[ 5141.985153][   T10]      ipv6_rcv+0x397/0x810
[ 5141.985153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5141.985153][   T10]      process_backlog+0x101/0x620
[ 5141.985153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5141.985153][   T10]      net_rx_action+0x495/0xbe0
[ 5141.985153][   T10]      __do_softirq+0x1b5/0x7f6
[ 5141.985153][   T10] 
[ 5141.986838][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.986838][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5141.986838][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5141.986838][   T10]      fib6_nh_init+0xa22/0x1580
[ 5141.986838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5141.986838][   T10]      ip6_route_add+0x1c/0x140
[ 5141.986838][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5141.986838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5141.986838][   T10]      netlink_rcv_skb+0x130/0x360
[ 5141.986838][   T10]      netlink_unicast+0x449/0x710
[ 5141.986838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5141.986838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5141.986838][   T10]      ___sys_sendmsg+0xee/0x170
[ 5141.986838][   T10]      __sys_sendmsg+0xcd/0x170
[ 5141.986838][   T10]      do_syscall_64+0xc6/0x1e0
[ 5141.986838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5141.986838][   T10] 
[ 5141.988746][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.988746][   T10]      netdev_get_by_index+0x5e/0x80
[ 5141.988746][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5141.988746][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5141.988746][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5141.988746][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5141.988746][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5141.988746][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5141.988746][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5141.988746][   T10]      addrconf_dad_begin+0x310/0x670
[ 5141.988746][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5141.988746][   T10]      process_one_work+0x84d/0x18a0
[ 5141.988746][   T10]      worker_thread+0x587/0xd30
[ 5141.988746][   T10]      kthread+0x28a/0x350
[ 5141.988746][   T10]      ret_from_fork+0x31/0x70
[ 5141.988746][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5141.988746][   T10] 
[ 5141.990665][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.990665][   T10]      netdev_get_by_index+0x5e/0x80
[ 5141.990665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5141.990665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5141.990665][   T10]      ip6_route_add+0x1c/0x140
[ 5141.990665][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5141.990665][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5141.990665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5141.990665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5141.990665][   T10]      netlink_rcv_skb+0x130/0x360
[ 5141.990665][   T10]      netlink_unicast+0x449/0x710
[ 5141.990665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5141.990665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5141.990665][   T10]      ___sys_sendmsg+0xee/0x170
[ 5141.990665][   T10]      __sys_sendmsg+0xcd/0x170
[ 5141.990665][   T10]      do_syscall_64+0xc6/0x1e0
[ 5141.990665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5141.990665][   T10] 
[ 5141.992674][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.992674][   T10]      netdev_get_by_index+0x5e/0x80
[ 5141.992674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5141.992674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5141.992674][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5141.992674][   T10]      ipv6_add_addr+0x411/0x2000
[ 5141.992674][   T10]      inet6_addr_add+0x30e/0xa40
[ 5141.992674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5141.992674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5141.992674][   T10]      netlink_rcv_skb+0x130/0x360
[ 5141.992674][   T10]      netlink_unicast+0x449/0x710
[ 5141.992674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5141.992674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5141.992674][   T10]      ___sys_sendmsg+0xee/0x170
[ 5141.992674][   T10]      __sys_sendmsg+0xcd/0x170
[ 5141.992674][   T10]      do_syscall_64+0xc6/0x1e0
[ 5141.992674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5141.992674][   T10] 
[ 5141.994687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.994687][   T10]      netdev_get_by_index+0x5e/0x80
[ 5141.994687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5141.994687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5141.994687][   T10]      ip6_route_add+0x1c/0x140
[ 5141.994687][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5141.994687][   T10]      addrconf_add_dev+0xe2/0x170
[ 5141.994687][   T10]      inet6_addr_add+0x12f/0xa40
[ 5141.994687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5141.994687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5141.994687][   T10]      netlink_rcv_skb+0x130/0x360
[ 5141.994687][   T10]      netlink_unicast+0x449/0x710
[ 5141.994687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5141.994687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5141.994687][   T10]      ___sys_sendmsg+0xee/0x170
[ 5141.994687][   T10]      __sys_sendmsg+0xcd/0x170
[ 5141.994687][   T10]      do_syscall_64+0xc6/0x1e0
[ 5141.994687][   T10] 
[ 5141.996740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.996740][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5141.996740][   T10]      ipv6_find_idev+0x102/0x170
[ 5141.996740][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5141.996740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5141.996740][   T10]      netlink_rcv_skb+0x130/0x360
[ 5141.996740][   T10]      netlink_unicast+0x449/0x710
[ 5141.996740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5141.996740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5141.996740][   T10]      ___sys_sendmsg+0xee/0x170
[ 5141.996740][   T10]      __sys_sendmsg+0xcd/0x170
[ 5141.996740][   T10]      do_syscall_64+0xc6/0x1e0
[ 5141.996740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5141.996740][   T10] 
[ 5141.998287][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5141.998287][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5141.998287][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5141.998287][   T10]      ipv6_find_idev+0x102/0x170
[ 5141.998287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5141.998287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5141.998287][   T10]      netlink_rcv_skb+0x130/0x360
[ 5141.998287][   T10]      netlink_unicast+0x449/0x710
[ 5141.998287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5141.998287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5141.998287][   T10]      ___sys_sendmsg+0xee/0x170
[ 5141.998287][   T10]      __sys_sendmsg+0xcd/0x170
[ 5141.998287][   T10]      do_syscall_64+0xc6/0x1e0
[ 5141.998287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5141.998287][   T10] 
[ 5141.999983][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5142.000229][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.000229][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5142.000229][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5142.000229][   T10]      fib6_nh_init+0xa22/0x1580
[ 5142.000229][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5142.000229][   T10]      ip6_route_add+0x1c/0x140
[ 5142.000229][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5142.000229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.000229][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.000229][   T10]      netlink_unicast+0x449/0x710
[ 5142.000229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.000229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.000229][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.000229][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.000229][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.000229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.000229][   T10] 
[ 5142.002129][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.002129][   T10]      dst_init+0x84/0x4a0
[ 5142.002129][   T10]      dst_alloc+0x97/0x150
[ 5142.002129][   T10]      ip6_dst_alloc+0x23/0x90
[ 5142.002129][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5142.002129][   T10]      ip6_pol_route+0x56f/0x840
[ 5142.002129][   T10]      fib6_rule_lookup+0x456/0x630
[ 5142.002129][   T10]      ip6_route_input+0x59c/0xa50
[ 5142.002129][   T10]      ipv6_rcv+0x397/0x810
[ 5142.002129][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5142.002129][   T10]      process_backlog+0x101/0x620
[ 5142.002129][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5142.002129][   T10]      net_rx_action+0x495/0xbe0
[ 5142.002129][   T10]      __do_softirq+0x1b5/0x7f6
[ 5142.002129][   T10] 
[ 5142.003759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.003759][   T10]      netdev_get_by_index+0x5e/0x80
[ 5142.003759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5142.003759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5142.003759][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5142.003759][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5142.003759][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5142.003759][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5142.003759][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5142.003759][   T10]      addrconf_dad_begin+0x310/0x670
[ 5142.003759][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5142.003759][   T10]      process_one_work+0x84d/0x18a0
[ 5142.003759][   T10]      worker_thread+0x587/0xd30
[ 5142.003759][   T10]      kthread+0x28a/0x350
[ 5142.003759][   T10]      ret_from_fork+0x31/0x70
[ 5142.003759][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5142.003759][   T10] 
[ 5142.005670][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.005670][   T10]      netdev_get_by_index+0x5e/0x80
[ 5142.005670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5142.005670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5142.005670][   T10]      ip6_route_add+0x1c/0x140
[ 5142.005670][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5142.005670][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5142.005670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5142.005670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.005670][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.005670][   T10]      netlink_unicast+0x449/0x710
[ 5142.005670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.005670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.005670][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.005670][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.005670][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.005670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.005670][   T10] 
[ 5142.007672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.007672][   T10]      netdev_get_by_index+0x5e/0x80
[ 5142.007672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5142.007672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5142.007672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5142.007672][   T10]      ipv6_add_addr+0x411/0x2000
[ 5142.007672][   T10]      inet6_addr_add+0x30e/0xa40
[ 5142.007672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5142.007672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.007672][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.007672][   T10]      netlink_unicast+0x449/0x710
[ 5142.007672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.007672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.007672][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.007672][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.007672][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.007672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.007672][   T10] 
[ 5142.009682][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.009682][   T10]      netdev_get_by_index+0x5e/0x80
[ 5142.009682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5142.009682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5142.009682][   T10]      ip6_route_add+0x1c/0x140
[ 5142.009682][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5142.009682][   T10]      addrconf_add_dev+0xe2/0x170
[ 5142.009682][   T10]      inet6_addr_add+0x12f/0xa40
[ 5142.009682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5142.009682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.009682][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.009682][   T10]      netlink_unicast+0x449/0x710
[ 5142.009682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.009682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.009682][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.009682][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.009682][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.009682][   T10] 
[ 5142.011838][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.011838][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5142.011838][   T10]      ipv6_find_idev+0x102/0x170
[ 5142.011838][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5142.011838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.011838][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.011838][   T10]      netlink_unicast+0x449/0x710
[ 5142.011838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.011838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.011838][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.011838][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.011838][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.011838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.011838][   T10] 
[ 5142.013623][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5142.013623][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5142.013623][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5142.013623][   T10]      ipv6_find_idev+0x102/0x170
[ 5142.013623][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5142.013623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.013623][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.013623][   T10]      netlink_unicast+0x449/0x710
[ 5142.013623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.013623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.013623][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.013623][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.013623][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.013623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.013623][   T10] 
[ 5142.015494][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5142.015814][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5142.015814][   T10]      netdev_get_by_index+0x5e/0x80
[ 5142.015814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5142.015814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5142.015814][   T10]      ip6_route_add+0x1c/0x140
[ 5142.015814][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5142.015814][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5142.015814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5142.015814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.015814][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.015814][   T10]      netlink_unicast+0x449/0x710
[ 5142.015814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.015814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.015814][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.015814][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.015814][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.015814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.015814][   T10] 
[ 5142.018036][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5142.018036][   T10]      netdev_get_by_index+0x5e/0x80
[ 5142.018036][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5142.018036][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5142.018036][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5142.018036][   T10]      ipv6_add_addr+0x411/0x2000
[ 5142.018036][   T10]      inet6_addr_add+0x30e/0xa40
[ 5142.018036][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5142.018036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.018036][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.018036][   T10]      netlink_unicast+0x449/0x710
[ 5142.018036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.018036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.018036][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.018036][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.018036][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.018036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.018036][   T10] 
[ 5142.020287][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5142.020287][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5142.020287][   T10]      ipv6_find_idev+0x102/0x170
[ 5142.020287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5142.020287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.020287][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.020287][   T10]      netlink_unicast+0x449/0x710
[ 5142.020287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.020287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.020287][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.020287][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.020287][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.020287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.020287][   T10] 
[ 5142.022079][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5142.022079][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5142.022079][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5142.022079][   T10]      ipv6_find_idev+0x102/0x170
[ 5142.022079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5142.022079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5142.022079][   T10]      netlink_rcv_skb+0x130/0x360
[ 5142.022079][   T10]      netlink_unicast+0x449/0x710
[ 5142.022079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5142.022079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5142.022079][   T10]      ___sys_sendmsg+0xee/0x170
[ 5142.022079][   T10]      __sys_sendmsg+0xcd/0x170
[ 5142.022079][   T10]      do_syscall_64+0xc6/0x1e0
[ 5142.022079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5142.022079][   T10] 
[ 5152.264735][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5152.265220][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.265220][   T10]      dst_init+0x84/0x4a0
[ 5152.265220][   T10]      dst_alloc+0x97/0x150
[ 5152.265220][   T10]      ip6_dst_alloc+0x23/0x90
[ 5152.265220][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5152.265220][   T10]      ip6_pol_route+0x56f/0x840
[ 5152.265220][   T10]      fib6_rule_lookup+0x456/0x630
[ 5152.265220][   T10]      ip6_route_input+0x59c/0xa50
[ 5152.265220][   T10]      ipv6_rcv+0x397/0x810
[ 5152.265220][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5152.265220][   T10]      process_backlog+0x101/0x620
[ 5152.265220][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5152.265220][   T10]      net_rx_action+0x495/0xbe0
[ 5152.265220][   T10]      __do_softirq+0x1b5/0x7f6
[ 5152.265220][   T10] 
[ 5152.266894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.266894][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5152.266894][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5152.266894][   T10]      fib6_nh_init+0xa22/0x1580
[ 5152.266894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.266894][   T10]      ip6_route_add+0x1c/0x140
[ 5152.266894][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5152.266894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.266894][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.266894][   T10]      netlink_unicast+0x449/0x710
[ 5152.266894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.266894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.266894][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.266894][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.266894][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.266894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.266894][   T10] 
[ 5152.268789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.268789][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.268789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.268789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.268789][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5152.268789][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5152.268789][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5152.268789][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5152.268789][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5152.268789][   T10]      addrconf_dad_begin+0x310/0x670
[ 5152.268789][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5152.268789][   T10]      process_one_work+0x84d/0x18a0
[ 5152.268789][   T10]      worker_thread+0x587/0xd30
[ 5152.268789][   T10]      kthread+0x28a/0x350
[ 5152.268789][   T10]      ret_from_fork+0x31/0x70
[ 5152.268789][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5152.268789][   T10] 
[ 5152.270701][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.270701][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.270701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.270701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.270701][   T10]      ip6_route_add+0x1c/0x140
[ 5152.270701][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5152.270701][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5152.270701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.270701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.270701][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.270701][   T10]      netlink_unicast+0x449/0x710
[ 5152.270701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.270701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.270701][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.270701][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.270701][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.270701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.270701][   T10] 
[ 5152.272708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.272708][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.272708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.272708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.272708][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5152.272708][   T10]      ipv6_add_addr+0x411/0x2000
[ 5152.272708][   T10]      inet6_addr_add+0x30e/0xa40
[ 5152.272708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.272708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.272708][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.272708][   T10]      netlink_unicast+0x449/0x710
[ 5152.272708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.272708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.272708][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.272708][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.272708][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.272708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.272708][   T10] 
[ 5152.275056][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.275056][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.275056][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.275056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.275056][   T10]      ip6_route_add+0x1c/0x140
[ 5152.275056][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5152.275056][   T10]      addrconf_add_dev+0xe2/0x170
[ 5152.275056][   T10]      inet6_addr_add+0x12f/0xa40
[ 5152.275056][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.275056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.275056][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.275056][   T10]      netlink_unicast+0x449/0x710
[ 5152.275056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.275056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.275056][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.275056][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.275056][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.275056][   T10] 
[ 5152.277027][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.277027][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5152.277027][   T10]      ipv6_find_idev+0x102/0x170
[ 5152.277027][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5152.277027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.277027][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.277027][   T10]      netlink_unicast+0x449/0x710
[ 5152.277027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.277027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.277027][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.277027][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.277027][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.277027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.277027][   T10] 
[ 5152.278565][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5152.278565][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5152.278565][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5152.278565][   T10]      ipv6_find_idev+0x102/0x170
[ 5152.278565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5152.278565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.278565][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.278565][   T10]      netlink_unicast+0x449/0x710
[ 5152.278565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.278565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.278565][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.278565][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.278565][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.278565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.278565][   T10] 
[ 5152.280263][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5152.280502][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.280502][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5152.280502][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5152.280502][   T10]      fib6_nh_init+0xa22/0x1580
[ 5152.280502][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.280502][   T10]      ip6_route_add+0x1c/0x140
[ 5152.280502][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5152.280502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.280502][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.280502][   T10]      netlink_unicast+0x449/0x710
[ 5152.280502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.280502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.280502][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.280502][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.280502][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.280502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.280502][   T10] 
[ 5152.282383][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.282383][   T10]      dst_init+0x84/0x4a0
[ 5152.282383][   T10]      dst_alloc+0x97/0x150
[ 5152.282383][   T10]      ip6_dst_alloc+0x23/0x90
[ 5152.282383][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5152.282383][   T10]      ip6_pol_route+0x56f/0x840
[ 5152.282383][   T10]      fib6_rule_lookup+0x456/0x630
[ 5152.282383][   T10]      ip6_route_input+0x59c/0xa50
[ 5152.282383][   T10]      ipv6_rcv+0x397/0x810
[ 5152.282383][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5152.282383][   T10]      process_backlog+0x101/0x620
[ 5152.282383][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5152.282383][   T10]      net_rx_action+0x495/0xbe0
[ 5152.282383][   T10]      __do_softirq+0x1b5/0x7f6
[ 5152.282383][   T10] 
[ 5152.284014][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.284014][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.284014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.284014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.284014][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5152.284014][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5152.284014][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5152.284014][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5152.284014][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5152.284014][   T10]      addrconf_dad_begin+0x310/0x670
[ 5152.284014][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5152.284014][   T10]      process_one_work+0x84d/0x18a0
[ 5152.284014][   T10]      worker_thread+0x587/0xd30
[ 5152.284014][   T10]      kthread+0x28a/0x350
[ 5152.284014][   T10]      ret_from_fork+0x31/0x70
[ 5152.284014][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5152.284014][   T10] 
[ 5152.285918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.285918][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.285918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.285918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.285918][   T10]      ip6_route_add+0x1c/0x140
[ 5152.285918][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5152.285918][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5152.285918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.285918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.285918][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.285918][   T10]      netlink_unicast+0x449/0x710
[ 5152.285918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.285918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.285918][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.285918][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.285918][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.285918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.285918][   T10] 
[ 5152.287918][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.287918][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.287918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.287918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.287918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5152.287918][   T10]      ipv6_add_addr+0x411/0x2000
[ 5152.287918][   T10]      inet6_addr_add+0x30e/0xa40
[ 5152.287918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.287918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.287918][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.287918][   T10]      netlink_unicast+0x449/0x710
[ 5152.287918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.287918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.287918][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.287918][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.287918][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.287918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.287918][   T10] 
[ 5152.289915][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.289915][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.289915][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.289915][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.289915][   T10]      ip6_route_add+0x1c/0x140
[ 5152.289915][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5152.289915][   T10]      addrconf_add_dev+0xe2/0x170
[ 5152.289915][   T10]      inet6_addr_add+0x12f/0xa40
[ 5152.289915][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.289915][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.289915][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.289915][   T10]      netlink_unicast+0x449/0x710
[ 5152.289915][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.289915][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.289915][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.289915][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.289915][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.289915][   T10] 
[ 5152.292069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.292069][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5152.292069][   T10]      ipv6_find_idev+0x102/0x170
[ 5152.292069][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5152.292069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.292069][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.292069][   T10]      netlink_unicast+0x449/0x710
[ 5152.292069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.292069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.292069][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.292069][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.292069][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.292069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.292069][   T10] 
[ 5152.293791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5152.293791][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5152.293791][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5152.293791][   T10]      ipv6_find_idev+0x102/0x170
[ 5152.293791][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5152.293791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.293791][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.293791][   T10]      netlink_unicast+0x449/0x710
[ 5152.293791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.293791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.293791][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.293791][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.293791][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.293791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.293791][   T10] 
[ 5152.295718][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5152.295956][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5152.295956][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.295956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.295956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.295956][   T10]      ip6_route_add+0x1c/0x140
[ 5152.295956][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5152.295956][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5152.295956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.295956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.295956][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.295956][   T10]      netlink_unicast+0x449/0x710
[ 5152.295956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.295956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.295956][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.295956][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.295956][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.295956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.295956][   T10] 
[ 5152.298204][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5152.298204][   T10]      netdev_get_by_index+0x5e/0x80
[ 5152.298204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5152.298204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5152.298204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5152.298204][   T10]      ipv6_add_addr+0x411/0x2000
[ 5152.298204][   T10]      inet6_addr_add+0x30e/0xa40
[ 5152.298204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5152.298204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.298204][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.298204][   T10]      netlink_unicast+0x449/0x710
[ 5152.298204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.298204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.298204][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.298204][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.298204][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.298204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.298204][   T10] 
[ 5152.300433][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5152.300433][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5152.300433][   T10]      ipv6_find_idev+0x102/0x170
[ 5152.300433][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5152.300433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.300433][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.300433][   T10]      netlink_unicast+0x449/0x710
[ 5152.300433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.300433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.300433][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.300433][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.300433][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.300433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.300433][   T10] 
[ 5152.302178][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5152.302178][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5152.302178][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5152.302178][   T10]      ipv6_find_idev+0x102/0x170
[ 5152.302178][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5152.302178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5152.302178][   T10]      netlink_rcv_skb+0x130/0x360
[ 5152.302178][   T10]      netlink_unicast+0x449/0x710
[ 5152.302178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5152.302178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5152.302178][   T10]      ___sys_sendmsg+0xee/0x170
[ 5152.302178][   T10]      __sys_sendmsg+0xcd/0x170
[ 5152.302178][   T10]      do_syscall_64+0xc6/0x1e0
[ 5152.302178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5152.302178][   T10] 
[ 5162.544744][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5162.545138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.545138][   T10]      dst_init+0x84/0x4a0
[ 5162.545138][   T10]      dst_alloc+0x97/0x150
[ 5162.545138][   T10]      ip6_dst_alloc+0x23/0x90
[ 5162.545138][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5162.545138][   T10]      ip6_pol_route+0x56f/0x840
[ 5162.545138][   T10]      fib6_rule_lookup+0x456/0x630
[ 5162.545138][   T10]      ip6_route_input+0x59c/0xa50
[ 5162.545138][   T10]      ipv6_rcv+0x397/0x810
[ 5162.545138][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5162.545138][   T10]      process_backlog+0x101/0x620
[ 5162.545138][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5162.545138][   T10]      net_rx_action+0x495/0xbe0
[ 5162.545138][   T10]      __do_softirq+0x1b5/0x7f6
[ 5162.545138][   T10] 
[ 5162.546898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.546898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5162.546898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5162.546898][   T10]      fib6_nh_init+0xa22/0x1580
[ 5162.546898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.546898][   T10]      ip6_route_add+0x1c/0x140
[ 5162.546898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5162.546898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.546898][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.546898][   T10]      netlink_unicast+0x449/0x710
[ 5162.546898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.546898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.546898][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.546898][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.546898][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.546898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.546898][   T10] 
[ 5162.548792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.548792][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.548792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.548792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.548792][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5162.548792][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5162.548792][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5162.548792][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5162.548792][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5162.548792][   T10]      addrconf_dad_begin+0x310/0x670
[ 5162.548792][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5162.548792][   T10]      process_one_work+0x84d/0x18a0
[ 5162.548792][   T10]      worker_thread+0x587/0xd30
[ 5162.548792][   T10]      kthread+0x28a/0x350
[ 5162.548792][   T10]      ret_from_fork+0x31/0x70
[ 5162.548792][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5162.548792][   T10] 
[ 5162.550707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.550707][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.550707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.550707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.550707][   T10]      ip6_route_add+0x1c/0x140
[ 5162.550707][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5162.550707][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5162.550707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.550707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.550707][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.550707][   T10]      netlink_unicast+0x449/0x710
[ 5162.550707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.550707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.550707][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.550707][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.550707][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.550707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.550707][   T10] 
[ 5162.552720][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.552720][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.552720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.552720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.552720][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5162.552720][   T10]      ipv6_add_addr+0x411/0x2000
[ 5162.552720][   T10]      inet6_addr_add+0x30e/0xa40
[ 5162.552720][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.552720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.552720][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.552720][   T10]      netlink_unicast+0x449/0x710
[ 5162.552720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.552720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.552720][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.552720][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.552720][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.552720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.552720][   T10] 
[ 5162.554724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.554724][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.554724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.554724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.554724][   T10]      ip6_route_add+0x1c/0x140
[ 5162.554724][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5162.554724][   T10]      addrconf_add_dev+0xe2/0x170
[ 5162.554724][   T10]      inet6_addr_add+0x12f/0xa40
[ 5162.554724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.554724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.554724][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.554724][   T10]      netlink_unicast+0x449/0x710
[ 5162.554724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.554724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.554724][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.554724][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.554724][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.554724][   T10] 
[ 5162.556684][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.556684][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5162.556684][   T10]      ipv6_find_idev+0x102/0x170
[ 5162.556684][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5162.556684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.556684][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.556684][   T10]      netlink_unicast+0x449/0x710
[ 5162.556684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.556684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.556684][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.556684][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.556684][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.556684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.556684][   T10] 
[ 5162.558216][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5162.558216][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5162.558216][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5162.558216][   T10]      ipv6_find_idev+0x102/0x170
[ 5162.558216][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5162.558216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.558216][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.558216][   T10]      netlink_unicast+0x449/0x710
[ 5162.558216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.558216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.558216][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.558216][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.558216][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.558216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.558216][   T10] 
[ 5162.559909][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5162.560161][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.560161][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5162.560161][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5162.560161][   T10]      fib6_nh_init+0xa22/0x1580
[ 5162.560161][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.560161][   T10]      ip6_route_add+0x1c/0x140
[ 5162.560161][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5162.560161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.560161][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.560161][   T10]      netlink_unicast+0x449/0x710
[ 5162.560161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.560161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.560161][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.560161][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.560161][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.560161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.560161][   T10] 
[ 5162.562045][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.562045][   T10]      dst_init+0x84/0x4a0
[ 5162.562045][   T10]      dst_alloc+0x97/0x150
[ 5162.562045][   T10]      ip6_dst_alloc+0x23/0x90
[ 5162.562045][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5162.562045][   T10]      ip6_pol_route+0x56f/0x840
[ 5162.562045][   T10]      fib6_rule_lookup+0x456/0x630
[ 5162.562045][   T10]      ip6_route_input+0x59c/0xa50
[ 5162.562045][   T10]      ipv6_rcv+0x397/0x810
[ 5162.562045][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5162.562045][   T10]      process_backlog+0x101/0x620
[ 5162.562045][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5162.562045][   T10]      net_rx_action+0x495/0xbe0
[ 5162.562045][   T10]      __do_softirq+0x1b5/0x7f6
[ 5162.562045][   T10] 
[ 5162.563679][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.563679][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.563679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.563679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.563679][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5162.563679][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5162.563679][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5162.563679][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5162.563679][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5162.563679][   T10]      addrconf_dad_begin+0x310/0x670
[ 5162.563679][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5162.563679][   T10]      process_one_work+0x84d/0x18a0
[ 5162.563679][   T10]      worker_thread+0x587/0xd30
[ 5162.563679][   T10]      kthread+0x28a/0x350
[ 5162.563679][   T10]      ret_from_fork+0x31/0x70
[ 5162.563679][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5162.563679][   T10] 
[ 5162.565590][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.565590][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.565590][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.565590][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.565590][   T10]      ip6_route_add+0x1c/0x140
[ 5162.565590][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5162.565590][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5162.565590][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.565590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.565590][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.565590][   T10]      netlink_unicast+0x449/0x710
[ 5162.565590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.565590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.565590][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.565590][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.565590][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.565590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.565590][   T10] 
[ 5162.567597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.567597][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.567597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.567597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.567597][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5162.567597][   T10]      ipv6_add_addr+0x411/0x2000
[ 5162.567597][   T10]      inet6_addr_add+0x30e/0xa40
[ 5162.567597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.567597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.567597][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.567597][   T10]      netlink_unicast+0x449/0x710
[ 5162.567597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.567597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.567597][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.567597][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.567597][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.567597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.567597][   T10] 
[ 5162.569591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.569591][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.569591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.569591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.569591][   T10]      ip6_route_add+0x1c/0x140
[ 5162.569591][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5162.569591][   T10]      addrconf_add_dev+0xe2/0x170
[ 5162.569591][   T10]      inet6_addr_add+0x12f/0xa40
[ 5162.569591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.569591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.569591][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.569591][   T10]      netlink_unicast+0x449/0x710
[ 5162.569591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.569591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.569591][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.569591][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.569591][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.569591][   T10] 
[ 5162.571733][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.571733][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5162.571733][   T10]      ipv6_find_idev+0x102/0x170
[ 5162.571733][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5162.571733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.571733][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.571733][   T10]      netlink_unicast+0x449/0x710
[ 5162.571733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.571733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.571733][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.571733][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.571733][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.571733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.571733][   T10] 
[ 5162.573517][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5162.573517][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5162.573517][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5162.573517][   T10]      ipv6_find_idev+0x102/0x170
[ 5162.573517][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5162.573517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.573517][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.573517][   T10]      netlink_unicast+0x449/0x710
[ 5162.573517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.573517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.573517][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.573517][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.573517][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.573517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.573517][   T10] 
[ 5162.575380][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5162.575618][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5162.575618][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.575618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.575618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.575618][   T10]      ip6_route_add+0x1c/0x140
[ 5162.575618][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5162.575618][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5162.575618][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.575618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.575618][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.575618][   T10]      netlink_unicast+0x449/0x710
[ 5162.575618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.575618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.575618][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.575618][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.575618][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.575618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.575618][   T10] 
[ 5162.577853][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5162.577853][   T10]      netdev_get_by_index+0x5e/0x80
[ 5162.577853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5162.577853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5162.577853][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5162.577853][   T10]      ipv6_add_addr+0x411/0x2000
[ 5162.577853][   T10]      inet6_addr_add+0x30e/0xa40
[ 5162.577853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5162.577853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.577853][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.577853][   T10]      netlink_unicast+0x449/0x710
[ 5162.577853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.577853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.577853][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.577853][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.577853][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.577853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.577853][   T10] 
[ 5162.580031][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5162.580031][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5162.580031][   T10]      ipv6_find_idev+0x102/0x170
[ 5162.580031][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5162.580031][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.580031][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.580031][   T10]      netlink_unicast+0x449/0x710
[ 5162.580031][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.580031][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.580031][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.580031][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.580031][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.580031][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.580031][   T10] 
[ 5162.581801][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5162.581801][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5162.581801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5162.581801][   T10]      ipv6_find_idev+0x102/0x170
[ 5162.581801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5162.581801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5162.581801][   T10]      netlink_rcv_skb+0x130/0x360
[ 5162.581801][   T10]      netlink_unicast+0x449/0x710
[ 5162.581801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5162.581801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5162.581801][   T10]      ___sys_sendmsg+0xee/0x170
[ 5162.581801][   T10]      __sys_sendmsg+0xcd/0x170
[ 5162.581801][   T10]      do_syscall_64+0xc6/0x1e0
[ 5162.581801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5162.581801][   T10] 
[ 5172.704696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5172.705145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.705145][   T10]      dst_init+0x84/0x4a0
[ 5172.705145][   T10]      dst_alloc+0x97/0x150
[ 5172.705145][   T10]      ip6_dst_alloc+0x23/0x90
[ 5172.705145][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5172.705145][   T10]      ip6_pol_route+0x56f/0x840
[ 5172.705145][   T10]      fib6_rule_lookup+0x456/0x630
[ 5172.705145][   T10]      ip6_route_input+0x59c/0xa50
[ 5172.705145][   T10]      ipv6_rcv+0x397/0x810
[ 5172.705145][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5172.705145][   T10]      process_backlog+0x101/0x620
[ 5172.705145][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5172.705145][   T10]      net_rx_action+0x495/0xbe0
[ 5172.705145][   T10]      __do_softirq+0x1b5/0x7f6
[ 5172.705145][   T10] 
[ 5172.706783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.706783][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5172.706783][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5172.706783][   T10]      fib6_nh_init+0xa22/0x1580
[ 5172.706783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.706783][   T10]      ip6_route_add+0x1c/0x140
[ 5172.706783][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5172.706783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.706783][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.706783][   T10]      netlink_unicast+0x449/0x710
[ 5172.706783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.706783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.706783][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.706783][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.706783][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.706783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.706783][   T10] 
[ 5172.708690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.708690][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.708690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.708690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.708690][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5172.708690][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5172.708690][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5172.708690][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5172.708690][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5172.708690][   T10]      addrconf_dad_begin+0x310/0x670
[ 5172.708690][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5172.708690][   T10]      process_one_work+0x84d/0x18a0
[ 5172.708690][   T10]      worker_thread+0x587/0xd30
[ 5172.708690][   T10]      kthread+0x28a/0x350
[ 5172.708690][   T10]      ret_from_fork+0x31/0x70
[ 5172.708690][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5172.708690][   T10] 
[ 5172.710593][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.710593][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.710593][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.710593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.710593][   T10]      ip6_route_add+0x1c/0x140
[ 5172.710593][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5172.710593][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5172.710593][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.710593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.710593][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.710593][   T10]      netlink_unicast+0x449/0x710
[ 5172.710593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.710593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.710593][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.710593][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.710593][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.710593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.710593][   T10] 
[ 5172.712625][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.712625][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.712625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.712625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.712625][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5172.712625][   T10]      ipv6_add_addr+0x411/0x2000
[ 5172.712625][   T10]      inet6_addr_add+0x30e/0xa40
[ 5172.712625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.712625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.712625][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.712625][   T10]      netlink_unicast+0x449/0x710
[ 5172.712625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.712625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.712625][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.712625][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.712625][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.712625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.712625][   T10] 
[ 5172.714630][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.714630][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.714630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.714630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.714630][   T10]      ip6_route_add+0x1c/0x140
[ 5172.714630][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5172.714630][   T10]      addrconf_add_dev+0xe2/0x170
[ 5172.714630][   T10]      inet6_addr_add+0x12f/0xa40
[ 5172.714630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.714630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.714630][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.714630][   T10]      netlink_unicast+0x449/0x710
[ 5172.714630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.714630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.714630][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.714630][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.714630][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.714630][   T10] 
[ 5172.716600][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.716600][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5172.716600][   T10]      ipv6_find_idev+0x102/0x170
[ 5172.716600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5172.716600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.716600][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.716600][   T10]      netlink_unicast+0x449/0x710
[ 5172.716600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.716600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.716600][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.716600][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.716600][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.716600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.716600][   T10] 
[ 5172.718100][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5172.718100][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5172.718100][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5172.718100][   T10]      ipv6_find_idev+0x102/0x170
[ 5172.718100][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5172.718100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.718100][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.718100][   T10]      netlink_unicast+0x449/0x710
[ 5172.718100][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.718100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.718100][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.718100][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.718100][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.718100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.718100][   T10] 
[ 5172.719790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5172.720035][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.720035][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5172.720035][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5172.720035][   T10]      fib6_nh_init+0xa22/0x1580
[ 5172.720035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.720035][   T10]      ip6_route_add+0x1c/0x140
[ 5172.720035][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5172.720035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.720035][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.720035][   T10]      netlink_unicast+0x449/0x710
[ 5172.720035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.720035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.720035][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.720035][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.720035][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.720035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.720035][   T10] 
[ 5172.721922][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.721922][   T10]      dst_init+0x84/0x4a0
[ 5172.721922][   T10]      dst_alloc+0x97/0x150
[ 5172.721922][   T10]      ip6_dst_alloc+0x23/0x90
[ 5172.721922][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5172.721922][   T10]      ip6_pol_route+0x56f/0x840
[ 5172.721922][   T10]      fib6_rule_lookup+0x456/0x630
[ 5172.721922][   T10]      ip6_route_input+0x59c/0xa50
[ 5172.721922][   T10]      ipv6_rcv+0x397/0x810
[ 5172.721922][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5172.721922][   T10]      process_backlog+0x101/0x620
[ 5172.721922][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5172.721922][   T10]      net_rx_action+0x495/0xbe0
[ 5172.721922][   T10]      __do_softirq+0x1b5/0x7f6
[ 5172.721922][   T10] 
[ 5172.723553][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.723553][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.723553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.723553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.723553][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5172.723553][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5172.723553][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5172.723553][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5172.723553][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5172.723553][   T10]      addrconf_dad_begin+0x310/0x670
[ 5172.723553][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5172.723553][   T10]      process_one_work+0x84d/0x18a0
[ 5172.723553][   T10]      worker_thread+0x587/0xd30
[ 5172.723553][   T10]      kthread+0x28a/0x350
[ 5172.723553][   T10]      ret_from_fork+0x31/0x70
[ 5172.723553][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5172.723553][   T10] 
[ 5172.725452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.725452][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.725452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.725452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.725452][   T10]      ip6_route_add+0x1c/0x140
[ 5172.725452][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5172.725452][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5172.725452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.725452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.725452][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.725452][   T10]      netlink_unicast+0x449/0x710
[ 5172.725452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.725452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.725452][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.725452][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.725452][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.725452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.725452][   T10] 
[ 5172.727469][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.727469][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.727469][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.727469][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.727469][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5172.727469][   T10]      ipv6_add_addr+0x411/0x2000
[ 5172.727469][   T10]      inet6_addr_add+0x30e/0xa40
[ 5172.727469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.727469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.727469][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.727469][   T10]      netlink_unicast+0x449/0x710
[ 5172.727469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.727469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.727469][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.727469][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.727469][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.727469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.727469][   T10] 
[ 5172.729479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.729479][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.729479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.729479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.729479][   T10]      ip6_route_add+0x1c/0x140
[ 5172.729479][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5172.729479][   T10]      addrconf_add_dev+0xe2/0x170
[ 5172.729479][   T10]      inet6_addr_add+0x12f/0xa40
[ 5172.729479][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.729479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.729479][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.729479][   T10]      netlink_unicast+0x449/0x710
[ 5172.729479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.729479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.729479][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.729479][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.729479][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.729479][   T10] 
[ 5172.731628][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.731628][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5172.731628][   T10]      ipv6_find_idev+0x102/0x170
[ 5172.731628][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5172.731628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.731628][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.731628][   T10]      netlink_unicast+0x449/0x710
[ 5172.731628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.731628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.731628][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.731628][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.731628][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.731628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.731628][   T10] 
[ 5172.733349][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5172.733349][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5172.733349][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5172.733349][   T10]      ipv6_find_idev+0x102/0x170
[ 5172.733349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5172.733349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.733349][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.733349][   T10]      netlink_unicast+0x449/0x710
[ 5172.733349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.733349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.733349][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.733349][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.733349][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.733349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.733349][   T10] 
[ 5172.735275][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5172.735514][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5172.735514][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.735514][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.735514][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.735514][   T10]      ip6_route_add+0x1c/0x140
[ 5172.735514][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5172.735514][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5172.735514][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.735514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.735514][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.735514][   T10]      netlink_unicast+0x449/0x710
[ 5172.735514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.735514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.735514][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.735514][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.735514][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.735514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.735514][   T10] 
[ 5172.737752][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5172.737752][   T10]      netdev_get_by_index+0x5e/0x80
[ 5172.737752][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5172.737752][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5172.737752][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5172.737752][   T10]      ipv6_add_addr+0x411/0x2000
[ 5172.737752][   T10]      inet6_addr_add+0x30e/0xa40
[ 5172.737752][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5172.737752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.737752][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.737752][   T10]      netlink_unicast+0x449/0x710
[ 5172.737752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.737752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.737752][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.737752][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.737752][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.737752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.737752][   T10] 
[ 5172.740000][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5172.740000][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5172.740000][   T10]      ipv6_find_idev+0x102/0x170
[ 5172.740000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5172.740000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.740000][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.740000][   T10]      netlink_unicast+0x449/0x710
[ 5172.740000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.740000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.740000][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.740000][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.740000][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.740000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.740000][   T10] 
[ 5172.741721][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5172.741721][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5172.741721][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5172.741721][   T10]      ipv6_find_idev+0x102/0x170
[ 5172.741721][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5172.741721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5172.741721][   T10]      netlink_rcv_skb+0x130/0x360
[ 5172.741721][   T10]      netlink_unicast+0x449/0x710
[ 5172.741721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5172.741721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5172.741721][   T10]      ___sys_sendmsg+0xee/0x170
[ 5172.741721][   T10]      __sys_sendmsg+0xcd/0x170
[ 5172.741721][   T10]      do_syscall_64+0xc6/0x1e0
[ 5172.741721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5172.741721][   T10] 
[ 5182.984698][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5182.985136][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.985136][   T10]      dst_init+0x84/0x4a0
[ 5182.985136][   T10]      dst_alloc+0x97/0x150
[ 5182.985136][   T10]      ip6_dst_alloc+0x23/0x90
[ 5182.985136][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5182.985136][   T10]      ip6_pol_route+0x56f/0x840
[ 5182.985136][   T10]      fib6_rule_lookup+0x456/0x630
[ 5182.985136][   T10]      ip6_route_input+0x59c/0xa50
[ 5182.985136][   T10]      ipv6_rcv+0x397/0x810
[ 5182.985136][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5182.985136][   T10]      process_backlog+0x101/0x620
[ 5182.985136][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5182.985136][   T10]      net_rx_action+0x495/0xbe0
[ 5182.985136][   T10]      __do_softirq+0x1b5/0x7f6
[ 5182.985136][   T10] 
[ 5182.986795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.986795][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5182.986795][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5182.986795][   T10]      fib6_nh_init+0xa22/0x1580
[ 5182.986795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5182.986795][   T10]      ip6_route_add+0x1c/0x140
[ 5182.986795][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5182.986795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5182.986795][   T10]      netlink_rcv_skb+0x130/0x360
[ 5182.986795][   T10]      netlink_unicast+0x449/0x710
[ 5182.986795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5182.986795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5182.986795][   T10]      ___sys_sendmsg+0xee/0x170
[ 5182.986795][   T10]      __sys_sendmsg+0xcd/0x170
[ 5182.986795][   T10]      do_syscall_64+0xc6/0x1e0
[ 5182.986795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5182.986795][   T10] 
[ 5182.988645][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.988645][   T10]      netdev_get_by_index+0x5e/0x80
[ 5182.988645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5182.988645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5182.988645][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5182.988645][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5182.988645][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5182.988645][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5182.988645][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5182.988645][   T10]      addrconf_dad_begin+0x310/0x670
[ 5182.988645][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5182.988645][   T10]      process_one_work+0x84d/0x18a0
[ 5182.988645][   T10]      worker_thread+0x587/0xd30
[ 5182.988645][   T10]      kthread+0x28a/0x350
[ 5182.988645][   T10]      ret_from_fork+0x31/0x70
[ 5182.988645][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5182.988645][   T10] 
[ 5182.990542][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.990542][   T10]      netdev_get_by_index+0x5e/0x80
[ 5182.990542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5182.990542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5182.990542][   T10]      ip6_route_add+0x1c/0x140
[ 5182.990542][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5182.990542][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5182.990542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5182.990542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5182.990542][   T10]      netlink_rcv_skb+0x130/0x360
[ 5182.990542][   T10]      netlink_unicast+0x449/0x710
[ 5182.990542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5182.990542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5182.990542][   T10]      ___sys_sendmsg+0xee/0x170
[ 5182.990542][   T10]      __sys_sendmsg+0xcd/0x170
[ 5182.990542][   T10]      do_syscall_64+0xc6/0x1e0
[ 5182.990542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5182.990542][   T10] 
[ 5182.992560][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.992560][   T10]      netdev_get_by_index+0x5e/0x80
[ 5182.992560][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5182.992560][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5182.992560][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5182.992560][   T10]      ipv6_add_addr+0x411/0x2000
[ 5182.992560][   T10]      inet6_addr_add+0x30e/0xa40
[ 5182.992560][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5182.992560][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5182.992560][   T10]      netlink_rcv_skb+0x130/0x360
[ 5182.992560][   T10]      netlink_unicast+0x449/0x710
[ 5182.992560][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5182.992560][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5182.992560][   T10]      ___sys_sendmsg+0xee/0x170
[ 5182.992560][   T10]      __sys_sendmsg+0xcd/0x170
[ 5182.992560][   T10]      do_syscall_64+0xc6/0x1e0
[ 5182.992560][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5182.992560][   T10] 
[ 5182.994521][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.994521][   T10]      netdev_get_by_index+0x5e/0x80
[ 5182.994521][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5182.994521][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5182.994521][   T10]      ip6_route_add+0x1c/0x140
[ 5182.994521][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5182.994521][   T10]      addrconf_add_dev+0xe2/0x170
[ 5182.994521][   T10]      inet6_addr_add+0x12f/0xa40
[ 5182.994521][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5182.994521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5182.994521][   T10]      netlink_rcv_skb+0x130/0x360
[ 5182.994521][   T10]      netlink_unicast+0x449/0x710
[ 5182.994521][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5182.994521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5182.994521][   T10]      ___sys_sendmsg+0xee/0x170
[ 5182.994521][   T10]      __sys_sendmsg+0xcd/0x170
[ 5182.994521][   T10]      do_syscall_64+0xc6/0x1e0
[ 5182.994521][   T10] 
[ 5182.996487][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.996487][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5182.996487][   T10]      ipv6_find_idev+0x102/0x170
[ 5182.996487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5182.996487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5182.996487][   T10]      netlink_rcv_skb+0x130/0x360
[ 5182.996487][   T10]      netlink_unicast+0x449/0x710
[ 5182.996487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5182.996487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5182.996487][   T10]      ___sys_sendmsg+0xee/0x170
[ 5182.996487][   T10]      __sys_sendmsg+0xcd/0x170
[ 5182.996487][   T10]      do_syscall_64+0xc6/0x1e0
[ 5182.996487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5182.996487][   T10] 
[ 5182.997983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5182.997983][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5182.997983][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5182.997983][   T10]      ipv6_find_idev+0x102/0x170
[ 5182.997983][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5182.997983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5182.997983][   T10]      netlink_rcv_skb+0x130/0x360
[ 5182.997983][   T10]      netlink_unicast+0x449/0x710
[ 5182.997983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5182.997983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5182.997983][   T10]      ___sys_sendmsg+0xee/0x170
[ 5182.997983][   T10]      __sys_sendmsg+0xcd/0x170
[ 5182.997983][   T10]      do_syscall_64+0xc6/0x1e0
[ 5182.997983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5182.997983][   T10] 
[ 5182.999649][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5182.999895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5182.999895][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5182.999895][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5182.999895][   T10]      fib6_nh_init+0xa22/0x1580
[ 5182.999895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5182.999895][   T10]      ip6_route_add+0x1c/0x140
[ 5182.999895][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5182.999895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5182.999895][   T10]      netlink_rcv_skb+0x130/0x360
[ 5182.999895][   T10]      netlink_unicast+0x449/0x710
[ 5182.999895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5182.999895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5182.999895][   T10]      ___sys_sendmsg+0xee/0x170
[ 5182.999895][   T10]      __sys_sendmsg+0xcd/0x170
[ 5182.999895][   T10]      do_syscall_64+0xc6/0x1e0
[ 5182.999895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5182.999895][   T10] 
[ 5183.001793][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5183.001793][   T10]      dst_init+0x84/0x4a0
[ 5183.001793][   T10]      dst_alloc+0x97/0x150
[ 5183.001793][   T10]      ip6_dst_alloc+0x23/0x90
[ 5183.001793][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5183.001793][   T10]      ip6_pol_route+0x56f/0x840
[ 5183.001793][   T10]      fib6_rule_lookup+0x456/0x630
[ 5183.001793][   T10]      ip6_route_input+0x59c/0xa50
[ 5183.001793][   T10]      ipv6_rcv+0x397/0x810
[ 5183.001793][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5183.001793][   T10]      process_backlog+0x101/0x620
[ 5183.001793][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5183.001793][   T10]      net_rx_action+0x495/0xbe0
[ 5183.001793][   T10]      __do_softirq+0x1b5/0x7f6
[ 5183.001793][   T10] 
[ 5183.003422][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5183.003422][   T10]      netdev_get_by_index+0x5e/0x80
[ 5183.003422][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5183.003422][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5183.003422][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5183.003422][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5183.003422][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5183.003422][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5183.003422][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5183.003422][   T10]      addrconf_dad_begin+0x310/0x670
[ 5183.003422][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5183.003422][   T10]      process_one_work+0x84d/0x18a0
[ 5183.003422][   T10]      worker_thread+0x587/0xd30
[ 5183.003422][   T10]      kthread+0x28a/0x350
[ 5183.003422][   T10]      ret_from_fork+0x31/0x70
[ 5183.003422][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5183.003422][   T10] 
[ 5183.005340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5183.005340][   T10]      netdev_get_by_index+0x5e/0x80
[ 5183.005340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5183.005340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5183.005340][   T10]      ip6_route_add+0x1c/0x140
[ 5183.005340][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5183.005340][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5183.005340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5183.005340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.005340][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.005340][   T10]      netlink_unicast+0x449/0x710
[ 5183.005340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.005340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.005340][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.005340][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.005340][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.005340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.005340][   T10] 
[ 5183.007338][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5183.007338][   T10]      netdev_get_by_index+0x5e/0x80
[ 5183.007338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5183.007338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5183.007338][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5183.007338][   T10]      ipv6_add_addr+0x411/0x2000
[ 5183.007338][   T10]      inet6_addr_add+0x30e/0xa40
[ 5183.007338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5183.007338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.007338][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.007338][   T10]      netlink_unicast+0x449/0x710
[ 5183.007338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.007338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.007338][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.007338][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.007338][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.007338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.007338][   T10] 
[ 5183.009340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5183.009340][   T10]      netdev_get_by_index+0x5e/0x80
[ 5183.009340][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5183.009340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5183.009340][   T10]      ip6_route_add+0x1c/0x140
[ 5183.009340][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5183.009340][   T10]      addrconf_add_dev+0xe2/0x170
[ 5183.009340][   T10]      inet6_addr_add+0x12f/0xa40
[ 5183.009340][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5183.009340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.009340][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.009340][   T10]      netlink_unicast+0x449/0x710
[ 5183.009340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.009340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.009340][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.009340][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.009340][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.009340][   T10] 
[ 5183.011425][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5183.011425][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5183.011425][   T10]      ipv6_find_idev+0x102/0x170
[ 5183.011425][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5183.011425][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.011425][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.011425][   T10]      netlink_unicast+0x449/0x710
[ 5183.011425][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.011425][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.011425][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.011425][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.011425][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.011425][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.011425][   T10] 
[ 5183.013214][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5183.013214][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5183.013214][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5183.013214][   T10]      ipv6_find_idev+0x102/0x170
[ 5183.013214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5183.013214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.013214][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.013214][   T10]      netlink_unicast+0x449/0x710
[ 5183.013214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.013214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.013214][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.013214][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.013214][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.013214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.013214][   T10] 
[ 5183.015066][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5183.015382][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5183.015382][   T10]      netdev_get_by_index+0x5e/0x80
[ 5183.015382][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5183.015382][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5183.015382][   T10]      ip6_route_add+0x1c/0x140
[ 5183.015382][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5183.015382][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5183.015382][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5183.015382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.015382][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.015382][   T10]      netlink_unicast+0x449/0x710
[ 5183.015382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.015382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.015382][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.015382][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.015382][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.015382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.015382][   T10] 
[ 5183.017556][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5183.017556][   T10]      netdev_get_by_index+0x5e/0x80
[ 5183.017556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5183.017556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5183.017556][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5183.017556][   T10]      ipv6_add_addr+0x411/0x2000
[ 5183.017556][   T10]      inet6_addr_add+0x30e/0xa40
[ 5183.017556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5183.017556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.017556][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.017556][   T10]      netlink_unicast+0x449/0x710
[ 5183.017556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.017556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.017556][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.017556][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.017556][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.017556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.017556][   T10] 
[ 5183.019719][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5183.019719][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5183.019719][   T10]      ipv6_find_idev+0x102/0x170
[ 5183.019719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5183.019719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.019719][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.019719][   T10]      netlink_unicast+0x449/0x710
[ 5183.019719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.019719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.019719][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.019719][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.019719][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.019719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.019719][   T10] 
[ 5183.021440][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5183.021440][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5183.021440][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5183.021440][   T10]      ipv6_find_idev+0x102/0x170
[ 5183.021440][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5183.021440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5183.021440][   T10]      netlink_rcv_skb+0x130/0x360
[ 5183.021440][   T10]      netlink_unicast+0x449/0x710
[ 5183.021440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5183.021440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5183.021440][   T10]      ___sys_sendmsg+0xee/0x170
[ 5183.021440][   T10]      __sys_sendmsg+0xcd/0x170
[ 5183.021440][   T10]      do_syscall_64+0xc6/0x1e0
[ 5183.021440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5183.021440][   T10] 
[ 5193.264735][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5193.265186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.265186][   T10]      dst_init+0x84/0x4a0
[ 5193.265186][   T10]      dst_alloc+0x97/0x150
[ 5193.265186][   T10]      ip6_dst_alloc+0x23/0x90
[ 5193.265186][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5193.265186][   T10]      ip6_pol_route+0x56f/0x840
[ 5193.265186][   T10]      fib6_rule_lookup+0x456/0x630
[ 5193.265186][   T10]      ip6_route_input+0x59c/0xa50
[ 5193.265186][   T10]      ipv6_rcv+0x397/0x810
[ 5193.265186][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5193.265186][   T10]      process_backlog+0x101/0x620
[ 5193.265186][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5193.265186][   T10]      net_rx_action+0x495/0xbe0
[ 5193.265186][   T10]      __do_softirq+0x1b5/0x7f6
[ 5193.265186][   T10] 
[ 5193.266865][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.266865][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5193.266865][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5193.266865][   T10]      fib6_nh_init+0xa22/0x1580
[ 5193.266865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.266865][   T10]      ip6_route_add+0x1c/0x140
[ 5193.266865][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5193.266865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.266865][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.266865][   T10]      netlink_unicast+0x449/0x710
[ 5193.266865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.266865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.266865][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.266865][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.266865][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.266865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.266865][   T10] 
[ 5193.268764][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.268764][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.268764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.268764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.268764][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5193.268764][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5193.268764][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5193.268764][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5193.268764][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5193.268764][   T10]      addrconf_dad_begin+0x310/0x670
[ 5193.268764][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5193.268764][   T10]      process_one_work+0x84d/0x18a0
[ 5193.268764][   T10]      worker_thread+0x587/0xd30
[ 5193.268764][   T10]      kthread+0x28a/0x350
[ 5193.268764][   T10]      ret_from_fork+0x31/0x70
[ 5193.268764][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5193.268764][   T10] 
[ 5193.270678][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.270678][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.270678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.270678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.270678][   T10]      ip6_route_add+0x1c/0x140
[ 5193.270678][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5193.270678][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5193.270678][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.270678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.270678][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.270678][   T10]      netlink_unicast+0x449/0x710
[ 5193.270678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.270678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.270678][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.270678][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.270678][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.270678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.270678][   T10] 
[ 5193.272738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.272738][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.272738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.272738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.272738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5193.272738][   T10]      ipv6_add_addr+0x411/0x2000
[ 5193.272738][   T10]      inet6_addr_add+0x30e/0xa40
[ 5193.272738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.272738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.272738][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.272738][   T10]      netlink_unicast+0x449/0x710
[ 5193.272738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.272738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.272738][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.272738][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.272738][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.272738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.272738][   T10] 
[ 5193.274744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.274744][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.274744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.274744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.274744][   T10]      ip6_route_add+0x1c/0x140
[ 5193.274744][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5193.274744][   T10]      addrconf_add_dev+0xe2/0x170
[ 5193.274744][   T10]      inet6_addr_add+0x12f/0xa40
[ 5193.274744][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.274744][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.274744][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.274744][   T10]      netlink_unicast+0x449/0x710
[ 5193.274744][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.274744][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.274744][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.274744][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.274744][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.274744][   T10] 
[ 5193.276709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.276709][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5193.276709][   T10]      ipv6_find_idev+0x102/0x170
[ 5193.276709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5193.276709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.276709][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.276709][   T10]      netlink_unicast+0x449/0x710
[ 5193.276709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.276709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.276709][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.276709][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.276709][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.276709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.276709][   T10] 
[ 5193.278249][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5193.278249][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5193.278249][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5193.278249][   T10]      ipv6_find_idev+0x102/0x170
[ 5193.278249][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5193.278249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.278249][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.278249][   T10]      netlink_unicast+0x449/0x710
[ 5193.278249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.278249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.278249][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.278249][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.278249][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.278249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.278249][   T10] 
[ 5193.279946][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5193.280203][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.280203][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5193.280203][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5193.280203][   T10]      fib6_nh_init+0xa22/0x1580
[ 5193.280203][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.280203][   T10]      ip6_route_add+0x1c/0x140
[ 5193.280203][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5193.280203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.280203][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.280203][   T10]      netlink_unicast+0x449/0x710
[ 5193.280203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.280203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.280203][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.280203][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.280203][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.280203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.280203][   T10] 
[ 5193.282086][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.282086][   T10]      dst_init+0x84/0x4a0
[ 5193.282086][   T10]      dst_alloc+0x97/0x150
[ 5193.282086][   T10]      ip6_dst_alloc+0x23/0x90
[ 5193.282086][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5193.282086][   T10]      ip6_pol_route+0x56f/0x840
[ 5193.282086][   T10]      fib6_rule_lookup+0x456/0x630
[ 5193.282086][   T10]      ip6_route_input+0x59c/0xa50
[ 5193.282086][   T10]      ipv6_rcv+0x397/0x810
[ 5193.282086][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5193.282086][   T10]      process_backlog+0x101/0x620
[ 5193.282086][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5193.282086][   T10]      net_rx_action+0x495/0xbe0
[ 5193.282086][   T10]      __do_softirq+0x1b5/0x7f6
[ 5193.282086][   T10] 
[ 5193.283740][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.283740][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.283740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.283740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.283740][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5193.283740][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5193.283740][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5193.283740][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5193.283740][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5193.283740][   T10]      addrconf_dad_begin+0x310/0x670
[ 5193.283740][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5193.283740][   T10]      process_one_work+0x84d/0x18a0
[ 5193.283740][   T10]      worker_thread+0x587/0xd30
[ 5193.283740][   T10]      kthread+0x28a/0x350
[ 5193.283740][   T10]      ret_from_fork+0x31/0x70
[ 5193.283740][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5193.283740][   T10] 
[ 5193.285644][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.285644][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.285644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.285644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.285644][   T10]      ip6_route_add+0x1c/0x140
[ 5193.285644][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5193.285644][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5193.285644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.285644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.285644][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.285644][   T10]      netlink_unicast+0x449/0x710
[ 5193.285644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.285644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.285644][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.285644][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.285644][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.285644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.285644][   T10] 
[ 5193.287635][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.287635][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.287635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.287635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.287635][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5193.287635][   T10]      ipv6_add_addr+0x411/0x2000
[ 5193.287635][   T10]      inet6_addr_add+0x30e/0xa40
[ 5193.287635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.287635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.287635][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.287635][   T10]      netlink_unicast+0x449/0x710
[ 5193.287635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.287635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.287635][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.287635][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.287635][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.287635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.287635][   T10] 
[ 5193.289631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.289631][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.289631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.289631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.289631][   T10]      ip6_route_add+0x1c/0x140
[ 5193.289631][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5193.289631][   T10]      addrconf_add_dev+0xe2/0x170
[ 5193.289631][   T10]      inet6_addr_add+0x12f/0xa40
[ 5193.289631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.289631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.289631][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.289631][   T10]      netlink_unicast+0x449/0x710
[ 5193.289631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.289631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.289631][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.289631][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.289631][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.289631][   T10] 
[ 5193.291716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.291716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5193.291716][   T10]      ipv6_find_idev+0x102/0x170
[ 5193.291716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5193.291716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.291716][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.291716][   T10]      netlink_unicast+0x449/0x710
[ 5193.291716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.291716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.291716][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.291716][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.291716][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.291716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.291716][   T10] 
[ 5193.293436][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5193.293436][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5193.293436][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5193.293436][   T10]      ipv6_find_idev+0x102/0x170
[ 5193.293436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5193.293436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.293436][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.293436][   T10]      netlink_unicast+0x449/0x710
[ 5193.293436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.293436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.293436][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.293436][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.293436][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.293436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.293436][   T10] 
[ 5193.295368][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5193.295691][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5193.295691][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.295691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.295691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.295691][   T10]      ip6_route_add+0x1c/0x140
[ 5193.295691][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5193.295691][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5193.295691][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.295691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.295691][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.295691][   T10]      netlink_unicast+0x449/0x710
[ 5193.295691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.295691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.295691][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.295691][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.295691][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.295691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.295691][   T10] 
[ 5193.297874][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5193.297874][   T10]      netdev_get_by_index+0x5e/0x80
[ 5193.297874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5193.297874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5193.297874][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5193.297874][   T10]      ipv6_add_addr+0x411/0x2000
[ 5193.297874][   T10]      inet6_addr_add+0x30e/0xa40
[ 5193.297874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5193.297874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.297874][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.297874][   T10]      netlink_unicast+0x449/0x710
[ 5193.297874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.297874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.297874][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.297874][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.297874][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.297874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.297874][   T10] 
[ 5193.300324][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5193.300324][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5193.300324][   T10]      ipv6_find_idev+0x102/0x170
[ 5193.300324][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5193.300324][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.300324][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.300324][   T10]      netlink_unicast+0x449/0x710
[ 5193.300324][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.300324][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.300324][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.300324][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.300324][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.300324][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.300324][   T10] 
[ 5193.302067][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5193.302067][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5193.302067][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5193.302067][   T10]      ipv6_find_idev+0x102/0x170
[ 5193.302067][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5193.302067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5193.302067][   T10]      netlink_rcv_skb+0x130/0x360
[ 5193.302067][   T10]      netlink_unicast+0x449/0x710
[ 5193.302067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5193.302067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5193.302067][   T10]      ___sys_sendmsg+0xee/0x170
[ 5193.302067][   T10]      __sys_sendmsg+0xcd/0x170
[ 5193.302067][   T10]      do_syscall_64+0xc6/0x1e0
[ 5193.302067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5193.302067][   T10] 
[ 5203.496703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5203.497090][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.497090][   T10]      dst_init+0x84/0x4a0
[ 5203.497090][   T10]      dst_alloc+0x97/0x150
[ 5203.497090][   T10]      ip6_dst_alloc+0x23/0x90
[ 5203.497090][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5203.497090][   T10]      ip6_pol_route+0x56f/0x840
[ 5203.497090][   T10]      fib6_rule_lookup+0x456/0x630
[ 5203.497090][   T10]      ip6_route_input+0x59c/0xa50
[ 5203.497090][   T10]      ipv6_rcv+0x397/0x810
[ 5203.497090][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5203.497090][   T10]      process_backlog+0x101/0x620
[ 5203.497090][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5203.497090][   T10]      net_rx_action+0x495/0xbe0
[ 5203.497090][   T10]      __do_softirq+0x1b5/0x7f6
[ 5203.497090][   T10] 
[ 5203.498892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.498892][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5203.498892][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5203.498892][   T10]      fib6_nh_init+0xa22/0x1580
[ 5203.498892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.498892][   T10]      ip6_route_add+0x1c/0x140
[ 5203.498892][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5203.498892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.498892][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.498892][   T10]      netlink_unicast+0x449/0x710
[ 5203.498892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.498892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.498892][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.498892][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.498892][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.498892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.498892][   T10] 
[ 5203.500807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.500807][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.500807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.500807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.500807][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5203.500807][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5203.500807][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5203.500807][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5203.500807][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5203.500807][   T10]      addrconf_dad_begin+0x310/0x670
[ 5203.500807][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5203.500807][   T10]      process_one_work+0x84d/0x18a0
[ 5203.500807][   T10]      worker_thread+0x587/0xd30
[ 5203.500807][   T10]      kthread+0x28a/0x350
[ 5203.500807][   T10]      ret_from_fork+0x31/0x70
[ 5203.500807][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5203.500807][   T10] 
[ 5203.502736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.502736][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.502736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.502736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.502736][   T10]      ip6_route_add+0x1c/0x140
[ 5203.502736][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5203.502736][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5203.502736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.502736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.502736][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.502736][   T10]      netlink_unicast+0x449/0x710
[ 5203.502736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.502736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.502736][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.502736][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.502736][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.502736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.502736][   T10] 
[ 5203.504738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.504738][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.504738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.504738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.504738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5203.504738][   T10]      ipv6_add_addr+0x411/0x2000
[ 5203.504738][   T10]      inet6_addr_add+0x30e/0xa40
[ 5203.504738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.504738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.504738][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.504738][   T10]      netlink_unicast+0x449/0x710
[ 5203.504738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.504738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.504738][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.504738][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.504738][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.504738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.504738][   T10] 
[ 5203.506738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.506738][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.506738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.506738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.506738][   T10]      ip6_route_add+0x1c/0x140
[ 5203.506738][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5203.506738][   T10]      addrconf_add_dev+0xe2/0x170
[ 5203.506738][   T10]      inet6_addr_add+0x12f/0xa40
[ 5203.506738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.506738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.506738][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.506738][   T10]      netlink_unicast+0x449/0x710
[ 5203.506738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.506738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.506738][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.506738][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.506738][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.506738][   T10] 
[ 5203.508700][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.508700][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5203.508700][   T10]      ipv6_find_idev+0x102/0x170
[ 5203.508700][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5203.508700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.508700][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.508700][   T10]      netlink_unicast+0x449/0x710
[ 5203.508700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.508700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.508700][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.508700][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.508700][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.508700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.508700][   T10] 
[ 5203.510267][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5203.510267][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5203.510267][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5203.510267][   T10]      ipv6_find_idev+0x102/0x170
[ 5203.510267][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5203.510267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.510267][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.510267][   T10]      netlink_unicast+0x449/0x710
[ 5203.510267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.510267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.510267][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.510267][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.510267][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.510267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.510267][   T10] 
[ 5203.511968][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5203.512214][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.512214][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5203.512214][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5203.512214][   T10]      fib6_nh_init+0xa22/0x1580
[ 5203.512214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.512214][   T10]      ip6_route_add+0x1c/0x140
[ 5203.512214][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5203.512214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.512214][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.512214][   T10]      netlink_unicast+0x449/0x710
[ 5203.512214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.512214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.512214][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.512214][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.512214][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.512214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.512214][   T10] 
[ 5203.514104][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.514104][   T10]      dst_init+0x84/0x4a0
[ 5203.514104][   T10]      dst_alloc+0x97/0x150
[ 5203.514104][   T10]      ip6_dst_alloc+0x23/0x90
[ 5203.514104][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5203.514104][   T10]      ip6_pol_route+0x56f/0x840
[ 5203.514104][   T10]      fib6_rule_lookup+0x456/0x630
[ 5203.514104][   T10]      ip6_route_input+0x59c/0xa50
[ 5203.514104][   T10]      ipv6_rcv+0x397/0x810
[ 5203.514104][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5203.514104][   T10]      process_backlog+0x101/0x620
[ 5203.514104][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5203.514104][   T10]      net_rx_action+0x495/0xbe0
[ 5203.514104][   T10]      __do_softirq+0x1b5/0x7f6
[ 5203.514104][   T10] 
[ 5203.515729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.515729][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.515729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.515729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.515729][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5203.515729][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5203.515729][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5203.515729][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5203.515729][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5203.515729][   T10]      addrconf_dad_begin+0x310/0x670
[ 5203.515729][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5203.515729][   T10]      process_one_work+0x84d/0x18a0
[ 5203.515729][   T10]      worker_thread+0x587/0xd30
[ 5203.515729][   T10]      kthread+0x28a/0x350
[ 5203.515729][   T10]      ret_from_fork+0x31/0x70
[ 5203.515729][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5203.515729][   T10] 
[ 5203.517638][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.517638][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.517638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.517638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.517638][   T10]      ip6_route_add+0x1c/0x140
[ 5203.517638][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5203.517638][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5203.517638][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.517638][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.517638][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.517638][   T10]      netlink_unicast+0x449/0x710
[ 5203.517638][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.517638][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.517638][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.517638][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.517638][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.517638][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.517638][   T10] 
[ 5203.519627][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.519627][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.519627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.519627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.519627][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5203.519627][   T10]      ipv6_add_addr+0x411/0x2000
[ 5203.519627][   T10]      inet6_addr_add+0x30e/0xa40
[ 5203.519627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.519627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.519627][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.519627][   T10]      netlink_unicast+0x449/0x710
[ 5203.519627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.519627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.519627][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.519627][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.519627][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.519627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.519627][   T10] 
[ 5203.521616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.521616][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.521616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.521616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.521616][   T10]      ip6_route_add+0x1c/0x140
[ 5203.521616][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5203.521616][   T10]      addrconf_add_dev+0xe2/0x170
[ 5203.521616][   T10]      inet6_addr_add+0x12f/0xa40
[ 5203.521616][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.521616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.521616][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.521616][   T10]      netlink_unicast+0x449/0x710
[ 5203.521616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.521616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.521616][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.521616][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.521616][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.521616][   T10] 
[ 5203.523702][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.523702][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5203.523702][   T10]      ipv6_find_idev+0x102/0x170
[ 5203.523702][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5203.523702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.523702][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.523702][   T10]      netlink_unicast+0x449/0x710
[ 5203.523702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.523702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.523702][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.523702][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.523702][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.523702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.523702][   T10] 
[ 5203.525479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5203.525479][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5203.525479][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5203.525479][   T10]      ipv6_find_idev+0x102/0x170
[ 5203.525479][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5203.525479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.525479][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.525479][   T10]      netlink_unicast+0x449/0x710
[ 5203.525479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.525479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.525479][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.525479][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.525479][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.525479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.525479][   T10] 
[ 5203.527336][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5203.527653][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5203.527653][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.527653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.527653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.527653][   T10]      ip6_route_add+0x1c/0x140
[ 5203.527653][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5203.527653][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5203.527653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.527653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.527653][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.527653][   T10]      netlink_unicast+0x449/0x710
[ 5203.527653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.527653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.527653][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.527653][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.527653][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.527653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.527653][   T10] 
[ 5203.529831][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5203.529831][   T10]      netdev_get_by_index+0x5e/0x80
[ 5203.529831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5203.529831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5203.529831][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5203.529831][   T10]      ipv6_add_addr+0x411/0x2000
[ 5203.529831][   T10]      inet6_addr_add+0x30e/0xa40
[ 5203.529831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5203.529831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.529831][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.529831][   T10]      netlink_unicast+0x449/0x710
[ 5203.529831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.529831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.529831][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.529831][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.529831][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.529831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.529831][   T10] 
[ 5203.532008][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5203.532008][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5203.532008][   T10]      ipv6_find_idev+0x102/0x170
[ 5203.532008][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5203.532008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.532008][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.532008][   T10]      netlink_unicast+0x449/0x710
[ 5203.532008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.532008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.532008][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.532008][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.532008][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.532008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.532008][   T10] 
[ 5203.533726][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5203.533726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5203.533726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5203.533726][   T10]      ipv6_find_idev+0x102/0x170
[ 5203.533726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5203.533726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5203.533726][   T10]      netlink_rcv_skb+0x130/0x360
[ 5203.533726][   T10]      netlink_unicast+0x449/0x710
[ 5203.533726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5203.533726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5203.533726][   T10]      ___sys_sendmsg+0xee/0x170
[ 5203.533726][   T10]      __sys_sendmsg+0xcd/0x170
[ 5203.533726][   T10]      do_syscall_64+0xc6/0x1e0
[ 5203.533726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5203.533726][   T10] 
[ 5213.784702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5213.785156][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.785156][   T10]      dst_init+0x84/0x4a0
[ 5213.785156][   T10]      dst_alloc+0x97/0x150
[ 5213.785156][   T10]      ip6_dst_alloc+0x23/0x90
[ 5213.785156][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5213.785156][   T10]      ip6_pol_route+0x56f/0x840
[ 5213.785156][   T10]      fib6_rule_lookup+0x456/0x630
[ 5213.785156][   T10]      ip6_route_input+0x59c/0xa50
[ 5213.785156][   T10]      ipv6_rcv+0x397/0x810
[ 5213.785156][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5213.785156][   T10]      process_backlog+0x101/0x620
[ 5213.785156][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5213.785156][   T10]      net_rx_action+0x495/0xbe0
[ 5213.785156][   T10]      __do_softirq+0x1b5/0x7f6
[ 5213.785156][   T10] 
[ 5213.786821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.786821][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5213.786821][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5213.786821][   T10]      fib6_nh_init+0xa22/0x1580
[ 5213.786821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.786821][   T10]      ip6_route_add+0x1c/0x140
[ 5213.786821][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5213.786821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.786821][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.786821][   T10]      netlink_unicast+0x449/0x710
[ 5213.786821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.786821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.786821][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.786821][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.786821][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.786821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.786821][   T10] 
[ 5213.788706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.788706][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.788706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.788706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.788706][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5213.788706][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5213.788706][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5213.788706][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5213.788706][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5213.788706][   T10]      addrconf_dad_begin+0x310/0x670
[ 5213.788706][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5213.788706][   T10]      process_one_work+0x84d/0x18a0
[ 5213.788706][   T10]      worker_thread+0x587/0xd30
[ 5213.788706][   T10]      kthread+0x28a/0x350
[ 5213.788706][   T10]      ret_from_fork+0x31/0x70
[ 5213.788706][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5213.788706][   T10] 
[ 5213.790605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.790605][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.790605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.790605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.790605][   T10]      ip6_route_add+0x1c/0x140
[ 5213.790605][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5213.790605][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5213.790605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.790605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.790605][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.790605][   T10]      netlink_unicast+0x449/0x710
[ 5213.790605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.790605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.790605][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.790605][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.790605][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.790605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.790605][   T10] 
[ 5213.792739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.792739][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.792739][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.792739][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.792739][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5213.792739][   T10]      ipv6_add_addr+0x411/0x2000
[ 5213.792739][   T10]      inet6_addr_add+0x30e/0xa40
[ 5213.792739][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.792739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.792739][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.792739][   T10]      netlink_unicast+0x449/0x710
[ 5213.792739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.792739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.792739][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.792739][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.792739][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.792739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.792739][   T10] 
[ 5213.794736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.794736][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.794736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.794736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.794736][   T10]      ip6_route_add+0x1c/0x140
[ 5213.794736][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5213.794736][   T10]      addrconf_add_dev+0xe2/0x170
[ 5213.794736][   T10]      inet6_addr_add+0x12f/0xa40
[ 5213.794736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.794736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.794736][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.794736][   T10]      netlink_unicast+0x449/0x710
[ 5213.794736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.794736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.794736][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.794736][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.794736][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.794736][   T10] 
[ 5213.796697][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.796697][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5213.796697][   T10]      ipv6_find_idev+0x102/0x170
[ 5213.796697][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5213.796697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.796697][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.796697][   T10]      netlink_unicast+0x449/0x710
[ 5213.796697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.796697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.796697][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.796697][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.796697][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.796697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.796697][   T10] 
[ 5213.798235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5213.798235][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5213.798235][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5213.798235][   T10]      ipv6_find_idev+0x102/0x170
[ 5213.798235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5213.798235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.798235][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.798235][   T10]      netlink_unicast+0x449/0x710
[ 5213.798235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.798235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.798235][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.798235][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.798235][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.798235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.798235][   T10] 
[ 5213.799923][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5213.800165][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.800165][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5213.800165][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5213.800165][   T10]      fib6_nh_init+0xa22/0x1580
[ 5213.800165][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.800165][   T10]      ip6_route_add+0x1c/0x140
[ 5213.800165][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5213.800165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.800165][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.800165][   T10]      netlink_unicast+0x449/0x710
[ 5213.800165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.800165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.800165][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.800165][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.800165][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.800165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.800165][   T10] 
[ 5213.802057][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.802057][   T10]      dst_init+0x84/0x4a0
[ 5213.802057][   T10]      dst_alloc+0x97/0x150
[ 5213.802057][   T10]      ip6_dst_alloc+0x23/0x90
[ 5213.802057][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5213.802057][   T10]      ip6_pol_route+0x56f/0x840
[ 5213.802057][   T10]      fib6_rule_lookup+0x456/0x630
[ 5213.802057][   T10]      ip6_route_input+0x59c/0xa50
[ 5213.802057][   T10]      ipv6_rcv+0x397/0x810
[ 5213.802057][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5213.802057][   T10]      process_backlog+0x101/0x620
[ 5213.802057][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5213.802057][   T10]      net_rx_action+0x495/0xbe0
[ 5213.802057][   T10]      __do_softirq+0x1b5/0x7f6
[ 5213.802057][   T10] 
[ 5213.803680][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.803680][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.803680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.803680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.803680][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5213.803680][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5213.803680][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5213.803680][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5213.803680][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5213.803680][   T10]      addrconf_dad_begin+0x310/0x670
[ 5213.803680][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5213.803680][   T10]      process_one_work+0x84d/0x18a0
[ 5213.803680][   T10]      worker_thread+0x587/0xd30
[ 5213.803680][   T10]      kthread+0x28a/0x350
[ 5213.803680][   T10]      ret_from_fork+0x31/0x70
[ 5213.803680][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5213.803680][   T10] 
[ 5213.805574][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.805574][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.805574][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.805574][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.805574][   T10]      ip6_route_add+0x1c/0x140
[ 5213.805574][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5213.805574][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5213.805574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.805574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.805574][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.805574][   T10]      netlink_unicast+0x449/0x710
[ 5213.805574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.805574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.805574][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.805574][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.805574][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.805574][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.805574][   T10] 
[ 5213.807558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.807558][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.807558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.807558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.807558][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5213.807558][   T10]      ipv6_add_addr+0x411/0x2000
[ 5213.807558][   T10]      inet6_addr_add+0x30e/0xa40
[ 5213.807558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.807558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.807558][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.807558][   T10]      netlink_unicast+0x449/0x710
[ 5213.807558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.807558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.807558][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.807558][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.807558][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.807558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.807558][   T10] 
[ 5213.809544][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.809544][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.809544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.809544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.809544][   T10]      ip6_route_add+0x1c/0x140
[ 5213.809544][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5213.809544][   T10]      addrconf_add_dev+0xe2/0x170
[ 5213.809544][   T10]      inet6_addr_add+0x12f/0xa40
[ 5213.809544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.809544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.809544][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.809544][   T10]      netlink_unicast+0x449/0x710
[ 5213.809544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.809544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.809544][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.809544][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.809544][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.809544][   T10] 
[ 5213.811706][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.811706][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5213.811706][   T10]      ipv6_find_idev+0x102/0x170
[ 5213.811706][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5213.811706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.811706][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.811706][   T10]      netlink_unicast+0x449/0x710
[ 5213.811706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.811706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.811706][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.811706][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.811706][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.811706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.811706][   T10] 
[ 5213.813445][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5213.813445][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5213.813445][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5213.813445][   T10]      ipv6_find_idev+0x102/0x170
[ 5213.813445][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5213.813445][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.813445][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.813445][   T10]      netlink_unicast+0x449/0x710
[ 5213.813445][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.813445][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.813445][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.813445][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.813445][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.813445][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.813445][   T10] 
[ 5213.815380][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5213.815699][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5213.815699][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.815699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.815699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.815699][   T10]      ip6_route_add+0x1c/0x140
[ 5213.815699][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5213.815699][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5213.815699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.815699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.815699][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.815699][   T10]      netlink_unicast+0x449/0x710
[ 5213.815699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.815699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.815699][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.815699][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.815699][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.815699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.815699][   T10] 
[ 5213.817882][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5213.817882][   T10]      netdev_get_by_index+0x5e/0x80
[ 5213.817882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5213.817882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5213.817882][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5213.817882][   T10]      ipv6_add_addr+0x411/0x2000
[ 5213.817882][   T10]      inet6_addr_add+0x30e/0xa40
[ 5213.817882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5213.817882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.817882][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.817882][   T10]      netlink_unicast+0x449/0x710
[ 5213.817882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.817882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.817882][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.817882][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.817882][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.817882][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.817882][   T10] 
[ 5213.820055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5213.820055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5213.820055][   T10]      ipv6_find_idev+0x102/0x170
[ 5213.820055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5213.820055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.820055][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.820055][   T10]      netlink_unicast+0x449/0x710
[ 5213.820055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.820055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.820055][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.820055][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.820055][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.820055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.820055][   T10] 
[ 5213.821776][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5213.821776][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5213.821776][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5213.821776][   T10]      ipv6_find_idev+0x102/0x170
[ 5213.821776][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5213.821776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5213.821776][   T10]      netlink_rcv_skb+0x130/0x360
[ 5213.821776][   T10]      netlink_unicast+0x449/0x710
[ 5213.821776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5213.821776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5213.821776][   T10]      ___sys_sendmsg+0xee/0x170
[ 5213.821776][   T10]      __sys_sendmsg+0xcd/0x170
[ 5213.821776][   T10]      do_syscall_64+0xc6/0x1e0
[ 5213.821776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5213.821776][   T10] 
[ 5223.904776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5223.905229][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.905229][   T10]      dst_init+0x84/0x4a0
[ 5223.905229][   T10]      dst_alloc+0x97/0x150
[ 5223.905229][   T10]      ip6_dst_alloc+0x23/0x90
[ 5223.905229][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5223.905229][   T10]      ip6_pol_route+0x56f/0x840
[ 5223.905229][   T10]      fib6_rule_lookup+0x456/0x630
[ 5223.905229][   T10]      ip6_route_input+0x59c/0xa50
[ 5223.905229][   T10]      ipv6_rcv+0x397/0x810
[ 5223.905229][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5223.905229][   T10]      process_backlog+0x101/0x620
[ 5223.905229][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5223.905229][   T10]      net_rx_action+0x495/0xbe0
[ 5223.905229][   T10]      __do_softirq+0x1b5/0x7f6
[ 5223.905229][   T10] 
[ 5223.906950][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.906950][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5223.906950][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5223.906950][   T10]      fib6_nh_init+0xa22/0x1580
[ 5223.906950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.906950][   T10]      ip6_route_add+0x1c/0x140
[ 5223.906950][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5223.906950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.906950][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.906950][   T10]      netlink_unicast+0x449/0x710
[ 5223.906950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.906950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.906950][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.906950][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.906950][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.906950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.906950][   T10] 
[ 5223.908824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.908824][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.908824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.908824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.908824][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5223.908824][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5223.908824][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5223.908824][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5223.908824][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5223.908824][   T10]      addrconf_dad_begin+0x310/0x670
[ 5223.908824][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5223.908824][   T10]      process_one_work+0x84d/0x18a0
[ 5223.908824][   T10]      worker_thread+0x587/0xd30
[ 5223.908824][   T10]      kthread+0x28a/0x350
[ 5223.908824][   T10]      ret_from_fork+0x31/0x70
[ 5223.908824][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5223.908824][   T10] 
[ 5223.910729][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.910729][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.910729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.910729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.910729][   T10]      ip6_route_add+0x1c/0x140
[ 5223.910729][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5223.910729][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5223.910729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.910729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.910729][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.910729][   T10]      netlink_unicast+0x449/0x710
[ 5223.910729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.910729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.910729][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.910729][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.910729][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.910729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.910729][   T10] 
[ 5223.912788][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.912788][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.912788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.912788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.912788][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5223.912788][   T10]      ipv6_add_addr+0x411/0x2000
[ 5223.912788][   T10]      inet6_addr_add+0x30e/0xa40
[ 5223.912788][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.912788][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.912788][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.912788][   T10]      netlink_unicast+0x449/0x710
[ 5223.912788][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.912788][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.912788][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.912788][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.912788][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.912788][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.912788][   T10] 
[ 5223.914813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.914813][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.914813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.914813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.914813][   T10]      ip6_route_add+0x1c/0x140
[ 5223.914813][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5223.914813][   T10]      addrconf_add_dev+0xe2/0x170
[ 5223.914813][   T10]      inet6_addr_add+0x12f/0xa40
[ 5223.914813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.914813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.914813][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.914813][   T10]      netlink_unicast+0x449/0x710
[ 5223.914813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.914813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.914813][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.914813][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.914813][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.914813][   T10] 
[ 5223.916747][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.916747][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5223.916747][   T10]      ipv6_find_idev+0x102/0x170
[ 5223.916747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5223.916747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.916747][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.916747][   T10]      netlink_unicast+0x449/0x710
[ 5223.916747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.916747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.916747][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.916747][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.916747][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.916747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.916747][   T10] 
[ 5223.918242][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5223.918242][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5223.918242][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5223.918242][   T10]      ipv6_find_idev+0x102/0x170
[ 5223.918242][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5223.918242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.918242][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.918242][   T10]      netlink_unicast+0x449/0x710
[ 5223.918242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.918242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.918242][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.918242][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.918242][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.918242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.918242][   T10] 
[ 5223.919921][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5223.920158][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.920158][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5223.920158][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5223.920158][   T10]      fib6_nh_init+0xa22/0x1580
[ 5223.920158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.920158][   T10]      ip6_route_add+0x1c/0x140
[ 5223.920158][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5223.920158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.920158][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.920158][   T10]      netlink_unicast+0x449/0x710
[ 5223.920158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.920158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.920158][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.920158][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.920158][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.920158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.920158][   T10] 
[ 5223.922038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.922038][   T10]      dst_init+0x84/0x4a0
[ 5223.922038][   T10]      dst_alloc+0x97/0x150
[ 5223.922038][   T10]      ip6_dst_alloc+0x23/0x90
[ 5223.922038][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5223.922038][   T10]      ip6_pol_route+0x56f/0x840
[ 5223.922038][   T10]      fib6_rule_lookup+0x456/0x630
[ 5223.922038][   T10]      ip6_route_input+0x59c/0xa50
[ 5223.922038][   T10]      ipv6_rcv+0x397/0x810
[ 5223.922038][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5223.922038][   T10]      process_backlog+0x101/0x620
[ 5223.922038][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5223.922038][   T10]      net_rx_action+0x495/0xbe0
[ 5223.922038][   T10]      __do_softirq+0x1b5/0x7f6
[ 5223.922038][   T10] 
[ 5223.923672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.923672][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.923672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.923672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.923672][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5223.923672][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5223.923672][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5223.923672][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5223.923672][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5223.923672][   T10]      addrconf_dad_begin+0x310/0x670
[ 5223.923672][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5223.923672][   T10]      process_one_work+0x84d/0x18a0
[ 5223.923672][   T10]      worker_thread+0x587/0xd30
[ 5223.923672][   T10]      kthread+0x28a/0x350
[ 5223.923672][   T10]      ret_from_fork+0x31/0x70
[ 5223.923672][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5223.923672][   T10] 
[ 5223.925591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.925591][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.925591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.925591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.925591][   T10]      ip6_route_add+0x1c/0x140
[ 5223.925591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5223.925591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5223.925591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.925591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.925591][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.925591][   T10]      netlink_unicast+0x449/0x710
[ 5223.925591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.925591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.925591][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.925591][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.925591][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.925591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.925591][   T10] 
[ 5223.927601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.927601][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.927601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.927601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.927601][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5223.927601][   T10]      ipv6_add_addr+0x411/0x2000
[ 5223.927601][   T10]      inet6_addr_add+0x30e/0xa40
[ 5223.927601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.927601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.927601][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.927601][   T10]      netlink_unicast+0x449/0x710
[ 5223.927601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.927601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.927601][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.927601][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.927601][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.927601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.927601][   T10] 
[ 5223.929593][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.929593][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.929593][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.929593][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.929593][   T10]      ip6_route_add+0x1c/0x140
[ 5223.929593][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5223.929593][   T10]      addrconf_add_dev+0xe2/0x170
[ 5223.929593][   T10]      inet6_addr_add+0x12f/0xa40
[ 5223.929593][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.929593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.929593][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.929593][   T10]      netlink_unicast+0x449/0x710
[ 5223.929593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.929593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.929593][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.929593][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.929593][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.929593][   T10] 
[ 5223.931732][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.931732][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5223.931732][   T10]      ipv6_find_idev+0x102/0x170
[ 5223.931732][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5223.931732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.931732][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.931732][   T10]      netlink_unicast+0x449/0x710
[ 5223.931732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.931732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.931732][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.931732][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.931732][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.931732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.931732][   T10] 
[ 5223.933515][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5223.933515][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5223.933515][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5223.933515][   T10]      ipv6_find_idev+0x102/0x170
[ 5223.933515][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5223.933515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.933515][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.933515][   T10]      netlink_unicast+0x449/0x710
[ 5223.933515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.933515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.933515][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.933515][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.933515][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.933515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.933515][   T10] 
[ 5223.935381][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5223.935701][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5223.935701][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.935701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.935701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.935701][   T10]      ip6_route_add+0x1c/0x140
[ 5223.935701][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5223.935701][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5223.935701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.935701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.935701][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.935701][   T10]      netlink_unicast+0x449/0x710
[ 5223.935701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.935701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.935701][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.935701][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.935701][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.935701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.935701][   T10] 
[ 5223.937863][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5223.937863][   T10]      netdev_get_by_index+0x5e/0x80
[ 5223.937863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5223.937863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5223.937863][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5223.937863][   T10]      ipv6_add_addr+0x411/0x2000
[ 5223.937863][   T10]      inet6_addr_add+0x30e/0xa40
[ 5223.937863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5223.937863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.937863][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.937863][   T10]      netlink_unicast+0x449/0x710
[ 5223.937863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.937863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.937863][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.937863][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.937863][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.937863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.937863][   T10] 
[ 5223.940084][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5223.940084][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5223.940084][   T10]      ipv6_find_idev+0x102/0x170
[ 5223.940084][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5223.940084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.940084][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.940084][   T10]      netlink_unicast+0x449/0x710
[ 5223.940084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.940084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.940084][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.940084][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.940084][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.940084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.940084][   T10] 
[ 5223.941854][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5223.941854][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5223.941854][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5223.941854][   T10]      ipv6_find_idev+0x102/0x170
[ 5223.941854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5223.941854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5223.941854][   T10]      netlink_rcv_skb+0x130/0x360
[ 5223.941854][   T10]      netlink_unicast+0x449/0x710
[ 5223.941854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5223.941854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5223.941854][   T10]      ___sys_sendmsg+0xee/0x170
[ 5223.941854][   T10]      __sys_sendmsg+0xcd/0x170
[ 5223.941854][   T10]      do_syscall_64+0xc6/0x1e0
[ 5223.941854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5223.941854][   T10] 
[ 5234.184741][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5234.185130][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.185130][   T10]      dst_init+0x84/0x4a0
[ 5234.185130][   T10]      dst_alloc+0x97/0x150
[ 5234.185130][   T10]      ip6_dst_alloc+0x23/0x90
[ 5234.185130][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5234.185130][   T10]      ip6_pol_route+0x56f/0x840
[ 5234.185130][   T10]      fib6_rule_lookup+0x456/0x630
[ 5234.185130][   T10]      ip6_route_input+0x59c/0xa50
[ 5234.185130][   T10]      ipv6_rcv+0x397/0x810
[ 5234.185130][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5234.185130][   T10]      process_backlog+0x101/0x620
[ 5234.185130][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5234.185130][   T10]      net_rx_action+0x495/0xbe0
[ 5234.185130][   T10]      __do_softirq+0x1b5/0x7f6
[ 5234.185130][   T10] 
[ 5234.186792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.186792][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5234.186792][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5234.186792][   T10]      fib6_nh_init+0xa22/0x1580
[ 5234.186792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.186792][   T10]      ip6_route_add+0x1c/0x140
[ 5234.186792][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5234.186792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.186792][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.186792][   T10]      netlink_unicast+0x449/0x710
[ 5234.186792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.186792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.186792][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.186792][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.186792][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.186792][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.186792][   T10] 
[ 5234.188686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.188686][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.188686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.188686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.188686][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5234.188686][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5234.188686][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5234.188686][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5234.188686][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5234.188686][   T10]      addrconf_dad_begin+0x310/0x670
[ 5234.188686][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5234.188686][   T10]      process_one_work+0x84d/0x18a0
[ 5234.188686][   T10]      worker_thread+0x587/0xd30
[ 5234.188686][   T10]      kthread+0x28a/0x350
[ 5234.188686][   T10]      ret_from_fork+0x31/0x70
[ 5234.188686][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5234.188686][   T10] 
[ 5234.190594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.190594][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.190594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.190594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.190594][   T10]      ip6_route_add+0x1c/0x140
[ 5234.190594][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5234.190594][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5234.190594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.190594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.190594][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.190594][   T10]      netlink_unicast+0x449/0x710
[ 5234.190594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.190594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.190594][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.190594][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.190594][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.190594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.190594][   T10] 
[ 5234.192602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.192602][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.192602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.192602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.192602][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5234.192602][   T10]      ipv6_add_addr+0x411/0x2000
[ 5234.192602][   T10]      inet6_addr_add+0x30e/0xa40
[ 5234.192602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.192602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.192602][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.192602][   T10]      netlink_unicast+0x449/0x710
[ 5234.192602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.192602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.192602][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.192602][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.192602][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.192602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.192602][   T10] 
[ 5234.194602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.194602][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.194602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.194602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.194602][   T10]      ip6_route_add+0x1c/0x140
[ 5234.194602][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5234.194602][   T10]      addrconf_add_dev+0xe2/0x170
[ 5234.194602][   T10]      inet6_addr_add+0x12f/0xa40
[ 5234.194602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.194602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.194602][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.194602][   T10]      netlink_unicast+0x449/0x710
[ 5234.194602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.194602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.194602][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.194602][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.194602][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.194602][   T10] 
[ 5234.196565][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.196565][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5234.196565][   T10]      ipv6_find_idev+0x102/0x170
[ 5234.196565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5234.196565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.196565][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.196565][   T10]      netlink_unicast+0x449/0x710
[ 5234.196565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.196565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.196565][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.196565][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.196565][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.196565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.196565][   T10] 
[ 5234.198105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5234.198105][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5234.198105][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5234.198105][   T10]      ipv6_find_idev+0x102/0x170
[ 5234.198105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5234.198105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.198105][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.198105][   T10]      netlink_unicast+0x449/0x710
[ 5234.198105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.198105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.198105][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.198105][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.198105][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.198105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.198105][   T10] 
[ 5234.199816][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5234.200065][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.200065][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5234.200065][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5234.200065][   T10]      fib6_nh_init+0xa22/0x1580
[ 5234.200065][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.200065][   T10]      ip6_route_add+0x1c/0x140
[ 5234.200065][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5234.200065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.200065][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.200065][   T10]      netlink_unicast+0x449/0x710
[ 5234.200065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.200065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.200065][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.200065][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.200065][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.200065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.200065][   T10] 
[ 5234.201947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.201947][   T10]      dst_init+0x84/0x4a0
[ 5234.201947][   T10]      dst_alloc+0x97/0x150
[ 5234.201947][   T10]      ip6_dst_alloc+0x23/0x90
[ 5234.201947][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5234.201947][   T10]      ip6_pol_route+0x56f/0x840
[ 5234.201947][   T10]      fib6_rule_lookup+0x456/0x630
[ 5234.201947][   T10]      ip6_route_input+0x59c/0xa50
[ 5234.201947][   T10]      ipv6_rcv+0x397/0x810
[ 5234.201947][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5234.201947][   T10]      process_backlog+0x101/0x620
[ 5234.201947][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5234.201947][   T10]      net_rx_action+0x495/0xbe0
[ 5234.201947][   T10]      __do_softirq+0x1b5/0x7f6
[ 5234.201947][   T10] 
[ 5234.203575][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.203575][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.203575][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.203575][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.203575][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5234.203575][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5234.203575][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5234.203575][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5234.203575][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5234.203575][   T10]      addrconf_dad_begin+0x310/0x670
[ 5234.203575][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5234.203575][   T10]      process_one_work+0x84d/0x18a0
[ 5234.203575][   T10]      worker_thread+0x587/0xd30
[ 5234.203575][   T10]      kthread+0x28a/0x350
[ 5234.203575][   T10]      ret_from_fork+0x31/0x70
[ 5234.203575][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5234.203575][   T10] 
[ 5234.205476][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.205476][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.205476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.205476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.205476][   T10]      ip6_route_add+0x1c/0x140
[ 5234.205476][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5234.205476][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5234.205476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.205476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.205476][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.205476][   T10]      netlink_unicast+0x449/0x710
[ 5234.205476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.205476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.205476][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.205476][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.205476][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.205476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.205476][   T10] 
[ 5234.207464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.207464][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.207464][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.207464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.207464][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5234.207464][   T10]      ipv6_add_addr+0x411/0x2000
[ 5234.207464][   T10]      inet6_addr_add+0x30e/0xa40
[ 5234.207464][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.207464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.207464][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.207464][   T10]      netlink_unicast+0x449/0x710
[ 5234.207464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.207464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.207464][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.207464][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.207464][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.207464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.207464][   T10] 
[ 5234.209463][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.209463][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.209463][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.209463][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.209463][   T10]      ip6_route_add+0x1c/0x140
[ 5234.209463][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5234.209463][   T10]      addrconf_add_dev+0xe2/0x170
[ 5234.209463][   T10]      inet6_addr_add+0x12f/0xa40
[ 5234.209463][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.209463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.209463][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.209463][   T10]      netlink_unicast+0x449/0x710
[ 5234.209463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.209463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.209463][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.209463][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.209463][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.209463][   T10] 
[ 5234.211613][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.211613][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5234.211613][   T10]      ipv6_find_idev+0x102/0x170
[ 5234.211613][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5234.211613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.211613][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.211613][   T10]      netlink_unicast+0x449/0x710
[ 5234.211613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.211613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.211613][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.211613][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.211613][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.211613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.211613][   T10] 
[ 5234.213330][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5234.213330][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5234.213330][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5234.213330][   T10]      ipv6_find_idev+0x102/0x170
[ 5234.213330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5234.213330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.213330][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.213330][   T10]      netlink_unicast+0x449/0x710
[ 5234.213330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.213330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.213330][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.213330][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.213330][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.213330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.213330][   T10] 
[ 5234.215255][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5234.215557][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5234.215557][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.215557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.215557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.215557][   T10]      ip6_route_add+0x1c/0x140
[ 5234.215557][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5234.215557][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5234.215557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.215557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.215557][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.215557][   T10]      netlink_unicast+0x449/0x710
[ 5234.215557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.215557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.215557][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.215557][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.215557][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.215557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.215557][   T10] 
[ 5234.217721][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5234.217721][   T10]      netdev_get_by_index+0x5e/0x80
[ 5234.217721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5234.217721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5234.217721][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5234.217721][   T10]      ipv6_add_addr+0x411/0x2000
[ 5234.217721][   T10]      inet6_addr_add+0x30e/0xa40
[ 5234.217721][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5234.217721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.217721][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.217721][   T10]      netlink_unicast+0x449/0x710
[ 5234.217721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.217721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.217721][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.217721][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.217721][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.217721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.217721][   T10] 
[ 5234.219960][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5234.219960][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5234.219960][   T10]      ipv6_find_idev+0x102/0x170
[ 5234.219960][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5234.219960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.219960][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.219960][   T10]      netlink_unicast+0x449/0x710
[ 5234.219960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.219960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.219960][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.219960][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.219960][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.219960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.219960][   T10] 
[ 5234.221679][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5234.221679][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5234.221679][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5234.221679][   T10]      ipv6_find_idev+0x102/0x170
[ 5234.221679][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5234.221679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5234.221679][   T10]      netlink_rcv_skb+0x130/0x360
[ 5234.221679][   T10]      netlink_unicast+0x449/0x710
[ 5234.221679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5234.221679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5234.221679][   T10]      ___sys_sendmsg+0xee/0x170
[ 5234.221679][   T10]      __sys_sendmsg+0xcd/0x170
[ 5234.221679][   T10]      do_syscall_64+0xc6/0x1e0
[ 5234.221679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5234.221679][   T10] 
[ 5244.464699][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5244.465096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.465096][   T10]      dst_init+0x84/0x4a0
[ 5244.465096][   T10]      dst_alloc+0x97/0x150
[ 5244.465096][   T10]      ip6_dst_alloc+0x23/0x90
[ 5244.465096][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5244.465096][   T10]      ip6_pol_route+0x56f/0x840
[ 5244.465096][   T10]      fib6_rule_lookup+0x456/0x630
[ 5244.465096][   T10]      ip6_route_input+0x59c/0xa50
[ 5244.465096][   T10]      ipv6_rcv+0x397/0x810
[ 5244.465096][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5244.465096][   T10]      process_backlog+0x101/0x620
[ 5244.465096][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5244.465096][   T10]      net_rx_action+0x495/0xbe0
[ 5244.465096][   T10]      __do_softirq+0x1b5/0x7f6
[ 5244.465096][   T10] 
[ 5244.466767][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.466767][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5244.466767][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5244.466767][   T10]      fib6_nh_init+0xa22/0x1580
[ 5244.466767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.466767][   T10]      ip6_route_add+0x1c/0x140
[ 5244.466767][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5244.466767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.466767][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.466767][   T10]      netlink_unicast+0x449/0x710
[ 5244.466767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.466767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.466767][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.466767][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.466767][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.466767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.466767][   T10] 
[ 5244.468659][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.468659][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.468659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.468659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.468659][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5244.468659][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5244.468659][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5244.468659][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5244.468659][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5244.468659][   T10]      addrconf_dad_begin+0x310/0x670
[ 5244.468659][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5244.468659][   T10]      process_one_work+0x84d/0x18a0
[ 5244.468659][   T10]      worker_thread+0x587/0xd30
[ 5244.468659][   T10]      kthread+0x28a/0x350
[ 5244.468659][   T10]      ret_from_fork+0x31/0x70
[ 5244.468659][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5244.468659][   T10] 
[ 5244.470570][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.470570][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.470570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.470570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.470570][   T10]      ip6_route_add+0x1c/0x140
[ 5244.470570][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5244.470570][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5244.470570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.470570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.470570][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.470570][   T10]      netlink_unicast+0x449/0x710
[ 5244.470570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.470570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.470570][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.470570][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.470570][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.470570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.470570][   T10] 
[ 5244.472578][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.472578][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.472578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.472578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.472578][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5244.472578][   T10]      ipv6_add_addr+0x411/0x2000
[ 5244.472578][   T10]      inet6_addr_add+0x30e/0xa40
[ 5244.472578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.472578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.472578][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.472578][   T10]      netlink_unicast+0x449/0x710
[ 5244.472578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.472578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.472578][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.472578][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.472578][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.472578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.472578][   T10] 
[ 5244.474575][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.474575][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.474575][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.474575][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.474575][   T10]      ip6_route_add+0x1c/0x140
[ 5244.474575][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5244.474575][   T10]      addrconf_add_dev+0xe2/0x170
[ 5244.474575][   T10]      inet6_addr_add+0x12f/0xa40
[ 5244.474575][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.474575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.474575][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.474575][   T10]      netlink_unicast+0x449/0x710
[ 5244.474575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.474575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.474575][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.474575][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.474575][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.474575][   T10] 
[ 5244.476544][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.476544][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5244.476544][   T10]      ipv6_find_idev+0x102/0x170
[ 5244.476544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5244.476544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.476544][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.476544][   T10]      netlink_unicast+0x449/0x710
[ 5244.476544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.476544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.476544][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.476544][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.476544][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.476544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.476544][   T10] 
[ 5244.478079][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5244.478079][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5244.478079][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5244.478079][   T10]      ipv6_find_idev+0x102/0x170
[ 5244.478079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5244.478079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.478079][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.478079][   T10]      netlink_unicast+0x449/0x710
[ 5244.478079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.478079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.478079][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.478079][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.478079][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.478079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.478079][   T10] 
[ 5244.479771][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5244.480013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.480013][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5244.480013][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5244.480013][   T10]      fib6_nh_init+0xa22/0x1580
[ 5244.480013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.480013][   T10]      ip6_route_add+0x1c/0x140
[ 5244.480013][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5244.480013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.480013][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.480013][   T10]      netlink_unicast+0x449/0x710
[ 5244.480013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.480013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.480013][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.480013][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.480013][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.480013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.480013][   T10] 
[ 5244.481890][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.481890][   T10]      dst_init+0x84/0x4a0
[ 5244.481890][   T10]      dst_alloc+0x97/0x150
[ 5244.481890][   T10]      ip6_dst_alloc+0x23/0x90
[ 5244.481890][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5244.481890][   T10]      ip6_pol_route+0x56f/0x840
[ 5244.481890][   T10]      fib6_rule_lookup+0x456/0x630
[ 5244.481890][   T10]      ip6_route_input+0x59c/0xa50
[ 5244.481890][   T10]      ipv6_rcv+0x397/0x810
[ 5244.481890][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5244.481890][   T10]      process_backlog+0x101/0x620
[ 5244.481890][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5244.481890][   T10]      net_rx_action+0x495/0xbe0
[ 5244.481890][   T10]      __do_softirq+0x1b5/0x7f6
[ 5244.481890][   T10] 
[ 5244.483519][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.483519][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.483519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.483519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.483519][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5244.483519][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5244.483519][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5244.483519][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5244.483519][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5244.483519][   T10]      addrconf_dad_begin+0x310/0x670
[ 5244.483519][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5244.483519][   T10]      process_one_work+0x84d/0x18a0
[ 5244.483519][   T10]      worker_thread+0x587/0xd30
[ 5244.483519][   T10]      kthread+0x28a/0x350
[ 5244.483519][   T10]      ret_from_fork+0x31/0x70
[ 5244.483519][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5244.483519][   T10] 
[ 5244.485447][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.485447][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.485447][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.485447][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.485447][   T10]      ip6_route_add+0x1c/0x140
[ 5244.485447][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5244.485447][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5244.485447][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.485447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.485447][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.485447][   T10]      netlink_unicast+0x449/0x710
[ 5244.485447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.485447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.485447][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.485447][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.485447][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.485447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.485447][   T10] 
[ 5244.487436][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.487436][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.487436][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.487436][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.487436][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5244.487436][   T10]      ipv6_add_addr+0x411/0x2000
[ 5244.487436][   T10]      inet6_addr_add+0x30e/0xa40
[ 5244.487436][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.487436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.487436][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.487436][   T10]      netlink_unicast+0x449/0x710
[ 5244.487436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.487436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.487436][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.487436][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.487436][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.487436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.487436][   T10] 
[ 5244.489432][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.489432][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.489432][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.489432][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.489432][   T10]      ip6_route_add+0x1c/0x140
[ 5244.489432][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5244.489432][   T10]      addrconf_add_dev+0xe2/0x170
[ 5244.489432][   T10]      inet6_addr_add+0x12f/0xa40
[ 5244.489432][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.489432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.489432][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.489432][   T10]      netlink_unicast+0x449/0x710
[ 5244.489432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.489432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.489432][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.489432][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.489432][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.489432][   T10] 
[ 5244.491590][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.491590][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5244.491590][   T10]      ipv6_find_idev+0x102/0x170
[ 5244.491590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5244.491590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.491590][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.491590][   T10]      netlink_unicast+0x449/0x710
[ 5244.491590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.491590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.491590][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.491590][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.491590][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.491590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.491590][   T10] 
[ 5244.493387][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5244.493387][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5244.493387][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5244.493387][   T10]      ipv6_find_idev+0x102/0x170
[ 5244.493387][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5244.493387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.493387][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.493387][   T10]      netlink_unicast+0x449/0x710
[ 5244.493387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.493387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.493387][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.493387][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.493387][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.493387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.493387][   T10] 
[ 5244.495246][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5244.495484][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5244.495484][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.495484][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.495484][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.495484][   T10]      ip6_route_add+0x1c/0x140
[ 5244.495484][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5244.495484][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5244.495484][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.495484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.495484][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.495484][   T10]      netlink_unicast+0x449/0x710
[ 5244.495484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.495484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.495484][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.495484][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.495484][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.495484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.495484][   T10] 
[ 5244.497669][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5244.497669][   T10]      netdev_get_by_index+0x5e/0x80
[ 5244.497669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5244.497669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5244.497669][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5244.497669][   T10]      ipv6_add_addr+0x411/0x2000
[ 5244.497669][   T10]      inet6_addr_add+0x30e/0xa40
[ 5244.497669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5244.497669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.497669][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.497669][   T10]      netlink_unicast+0x449/0x710
[ 5244.497669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.497669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.497669][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.497669][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.497669][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.497669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.497669][   T10] 
[ 5244.499897][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5244.499897][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5244.499897][   T10]      ipv6_find_idev+0x102/0x170
[ 5244.499897][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5244.499897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.499897][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.499897][   T10]      netlink_unicast+0x449/0x710
[ 5244.499897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.499897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.499897][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.499897][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.499897][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.499897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.499897][   T10] 
[ 5244.501677][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5244.501677][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5244.501677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5244.501677][   T10]      ipv6_find_idev+0x102/0x170
[ 5244.501677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5244.501677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5244.501677][   T10]      netlink_rcv_skb+0x130/0x360
[ 5244.501677][   T10]      netlink_unicast+0x449/0x710
[ 5244.501677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5244.501677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5244.501677][   T10]      ___sys_sendmsg+0xee/0x170
[ 5244.501677][   T10]      __sys_sendmsg+0xcd/0x170
[ 5244.501677][   T10]      do_syscall_64+0xc6/0x1e0
[ 5244.501677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5244.501677][   T10] 
[ 5254.744735][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5254.745218][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.745218][   T10]      dst_init+0x84/0x4a0
[ 5254.745218][   T10]      dst_alloc+0x97/0x150
[ 5254.745218][   T10]      ip6_dst_alloc+0x23/0x90
[ 5254.745218][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5254.745218][   T10]      ip6_pol_route+0x56f/0x840
[ 5254.745218][   T10]      fib6_rule_lookup+0x456/0x630
[ 5254.745218][   T10]      ip6_route_input+0x59c/0xa50
[ 5254.745218][   T10]      ipv6_rcv+0x397/0x810
[ 5254.745218][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5254.745218][   T10]      process_backlog+0x101/0x620
[ 5254.745218][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5254.745218][   T10]      net_rx_action+0x495/0xbe0
[ 5254.745218][   T10]      __do_softirq+0x1b5/0x7f6
[ 5254.745218][   T10] 
[ 5254.746928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.746928][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5254.746928][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5254.746928][   T10]      fib6_nh_init+0xa22/0x1580
[ 5254.746928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.746928][   T10]      ip6_route_add+0x1c/0x140
[ 5254.746928][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5254.746928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.746928][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.746928][   T10]      netlink_unicast+0x449/0x710
[ 5254.746928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.746928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.746928][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.746928][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.746928][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.746928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.746928][   T10] 
[ 5254.748929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.748929][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.748929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.748929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.748929][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5254.748929][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5254.748929][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5254.748929][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5254.748929][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5254.748929][   T10]      addrconf_dad_begin+0x310/0x670
[ 5254.748929][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5254.748929][   T10]      process_one_work+0x84d/0x18a0
[ 5254.748929][   T10]      worker_thread+0x587/0xd30
[ 5254.748929][   T10]      kthread+0x28a/0x350
[ 5254.748929][   T10]      ret_from_fork+0x31/0x70
[ 5254.748929][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5254.748929][   T10] 
[ 5254.750885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.750885][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.750885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.750885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.750885][   T10]      ip6_route_add+0x1c/0x140
[ 5254.750885][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5254.750885][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5254.750885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.750885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.750885][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.750885][   T10]      netlink_unicast+0x449/0x710
[ 5254.750885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.750885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.750885][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.750885][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.750885][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.750885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.750885][   T10] 
[ 5254.752918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.752918][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.752918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.752918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.752918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5254.752918][   T10]      ipv6_add_addr+0x411/0x2000
[ 5254.752918][   T10]      inet6_addr_add+0x30e/0xa40
[ 5254.752918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.752918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.752918][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.752918][   T10]      netlink_unicast+0x449/0x710
[ 5254.752918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.752918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.752918][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.752918][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.752918][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.752918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.752918][   T10] 
[ 5254.754955][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.754955][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.754955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.754955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.754955][   T10]      ip6_route_add+0x1c/0x140
[ 5254.754955][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5254.754955][   T10]      addrconf_add_dev+0xe2/0x170
[ 5254.754955][   T10]      inet6_addr_add+0x12f/0xa40
[ 5254.754955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.754955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.754955][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.754955][   T10]      netlink_unicast+0x449/0x710
[ 5254.754955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.754955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.754955][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.754955][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.754955][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.754955][   T10] 
[ 5254.756933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.756933][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5254.756933][   T10]      ipv6_find_idev+0x102/0x170
[ 5254.756933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5254.756933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.756933][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.756933][   T10]      netlink_unicast+0x449/0x710
[ 5254.756933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.756933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.756933][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.756933][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.756933][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.756933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.756933][   T10] 
[ 5254.758491][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5254.758491][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5254.758491][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5254.758491][   T10]      ipv6_find_idev+0x102/0x170
[ 5254.758491][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5254.758491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.758491][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.758491][   T10]      netlink_unicast+0x449/0x710
[ 5254.758491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.758491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.758491][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.758491][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.758491][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.758491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.758491][   T10] 
[ 5254.760229][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5254.760472][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.760472][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5254.760472][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5254.760472][   T10]      fib6_nh_init+0xa22/0x1580
[ 5254.760472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.760472][   T10]      ip6_route_add+0x1c/0x140
[ 5254.760472][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5254.760472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.760472][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.760472][   T10]      netlink_unicast+0x449/0x710
[ 5254.760472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.760472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.760472][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.760472][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.760472][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.760472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.760472][   T10] 
[ 5254.762388][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.762388][   T10]      dst_init+0x84/0x4a0
[ 5254.762388][   T10]      dst_alloc+0x97/0x150
[ 5254.762388][   T10]      ip6_dst_alloc+0x23/0x90
[ 5254.762388][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5254.762388][   T10]      ip6_pol_route+0x56f/0x840
[ 5254.762388][   T10]      fib6_rule_lookup+0x456/0x630
[ 5254.762388][   T10]      ip6_route_input+0x59c/0xa50
[ 5254.762388][   T10]      ipv6_rcv+0x397/0x810
[ 5254.762388][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5254.762388][   T10]      process_backlog+0x101/0x620
[ 5254.762388][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5254.762388][   T10]      net_rx_action+0x495/0xbe0
[ 5254.762388][   T10]      __do_softirq+0x1b5/0x7f6
[ 5254.762388][   T10] 
[ 5254.764046][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.764046][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.764046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.764046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.764046][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5254.764046][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5254.764046][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5254.764046][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5254.764046][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5254.764046][   T10]      addrconf_dad_begin+0x310/0x670
[ 5254.764046][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5254.764046][   T10]      process_one_work+0x84d/0x18a0
[ 5254.764046][   T10]      worker_thread+0x587/0xd30
[ 5254.764046][   T10]      kthread+0x28a/0x350
[ 5254.764046][   T10]      ret_from_fork+0x31/0x70
[ 5254.764046][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5254.764046][   T10] 
[ 5254.765977][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.765977][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.765977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.765977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.765977][   T10]      ip6_route_add+0x1c/0x140
[ 5254.765977][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5254.765977][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5254.765977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.765977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.765977][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.765977][   T10]      netlink_unicast+0x449/0x710
[ 5254.765977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.765977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.765977][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.765977][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.765977][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.765977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.765977][   T10] 
[ 5254.768005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.768005][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.768005][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.768005][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.768005][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5254.768005][   T10]      ipv6_add_addr+0x411/0x2000
[ 5254.768005][   T10]      inet6_addr_add+0x30e/0xa40
[ 5254.768005][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.768005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.768005][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.768005][   T10]      netlink_unicast+0x449/0x710
[ 5254.768005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.768005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.768005][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.768005][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.768005][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.768005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.768005][   T10] 
[ 5254.770047][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.770047][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.770047][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.770047][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.770047][   T10]      ip6_route_add+0x1c/0x140
[ 5254.770047][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5254.770047][   T10]      addrconf_add_dev+0xe2/0x170
[ 5254.770047][   T10]      inet6_addr_add+0x12f/0xa40
[ 5254.770047][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.770047][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.770047][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.770047][   T10]      netlink_unicast+0x449/0x710
[ 5254.770047][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.770047][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.770047][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.770047][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.770047][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.770047][   T10] 
[ 5254.772230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.772230][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5254.772230][   T10]      ipv6_find_idev+0x102/0x170
[ 5254.772230][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5254.772230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.772230][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.772230][   T10]      netlink_unicast+0x449/0x710
[ 5254.772230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.772230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.772230][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.772230][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.772230][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.772230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.772230][   T10] 
[ 5254.773984][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5254.773984][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5254.773984][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5254.773984][   T10]      ipv6_find_idev+0x102/0x170
[ 5254.773984][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5254.773984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.773984][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.773984][   T10]      netlink_unicast+0x449/0x710
[ 5254.773984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.773984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.773984][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.773984][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.773984][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.773984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.773984][   T10] 
[ 5254.775954][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5254.776202][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5254.776202][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.776202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.776202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.776202][   T10]      ip6_route_add+0x1c/0x140
[ 5254.776202][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5254.776202][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5254.776202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.776202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.776202][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.776202][   T10]      netlink_unicast+0x449/0x710
[ 5254.776202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.776202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.776202][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.776202][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.776202][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.776202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.776202][   T10] 
[ 5254.778480][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5254.778480][   T10]      netdev_get_by_index+0x5e/0x80
[ 5254.778480][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5254.778480][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5254.778480][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5254.778480][   T10]      ipv6_add_addr+0x411/0x2000
[ 5254.778480][   T10]      inet6_addr_add+0x30e/0xa40
[ 5254.778480][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5254.778480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.778480][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.778480][   T10]      netlink_unicast+0x449/0x710
[ 5254.778480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.778480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.778480][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.778480][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.778480][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.778480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.778480][   T10] 
[ 5254.780750][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5254.780750][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5254.780750][   T10]      ipv6_find_idev+0x102/0x170
[ 5254.780750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5254.780750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.780750][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.780750][   T10]      netlink_unicast+0x449/0x710
[ 5254.780750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.780750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.780750][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.780750][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.780750][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.780750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.780750][   T10] 
[ 5254.782498][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5254.782498][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5254.782498][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5254.782498][   T10]      ipv6_find_idev+0x102/0x170
[ 5254.782498][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5254.782498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5254.782498][   T10]      netlink_rcv_skb+0x130/0x360
[ 5254.782498][   T10]      netlink_unicast+0x449/0x710
[ 5254.782498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5254.782498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5254.782498][   T10]      ___sys_sendmsg+0xee/0x170
[ 5254.782498][   T10]      __sys_sendmsg+0xcd/0x170
[ 5254.782498][   T10]      do_syscall_64+0xc6/0x1e0
[ 5254.782498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5254.782498][   T10] 
[ 5265.024697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5265.025169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.025169][   T10]      dst_init+0x84/0x4a0
[ 5265.025169][   T10]      dst_alloc+0x97/0x150
[ 5265.025169][   T10]      ip6_dst_alloc+0x23/0x90
[ 5265.025169][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5265.025169][   T10]      ip6_pol_route+0x56f/0x840
[ 5265.025169][   T10]      fib6_rule_lookup+0x456/0x630
[ 5265.025169][   T10]      ip6_route_input+0x59c/0xa50
[ 5265.025169][   T10]      ipv6_rcv+0x397/0x810
[ 5265.025169][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5265.025169][   T10]      process_backlog+0x101/0x620
[ 5265.025169][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5265.025169][   T10]      net_rx_action+0x495/0xbe0
[ 5265.025169][   T10]      __do_softirq+0x1b5/0x7f6
[ 5265.025169][   T10] 
[ 5265.026863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.026863][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5265.026863][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5265.026863][   T10]      fib6_nh_init+0xa22/0x1580
[ 5265.026863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.026863][   T10]      ip6_route_add+0x1c/0x140
[ 5265.026863][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5265.026863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.026863][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.026863][   T10]      netlink_unicast+0x449/0x710
[ 5265.026863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.026863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.026863][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.026863][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.026863][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.026863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.026863][   T10] 
[ 5265.028737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.028737][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.028737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.028737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.028737][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5265.028737][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5265.028737][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5265.028737][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5265.028737][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5265.028737][   T10]      addrconf_dad_begin+0x310/0x670
[ 5265.028737][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5265.028737][   T10]      process_one_work+0x84d/0x18a0
[ 5265.028737][   T10]      worker_thread+0x587/0xd30
[ 5265.028737][   T10]      kthread+0x28a/0x350
[ 5265.028737][   T10]      ret_from_fork+0x31/0x70
[ 5265.028737][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5265.028737][   T10] 
[ 5265.030957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.030957][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.030957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.030957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.030957][   T10]      ip6_route_add+0x1c/0x140
[ 5265.030957][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5265.030957][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5265.030957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.030957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.030957][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.030957][   T10]      netlink_unicast+0x449/0x710
[ 5265.030957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.030957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.030957][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.030957][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.030957][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.030957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.030957][   T10] 
[ 5265.032980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.032980][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.032980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.032980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.032980][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5265.032980][   T10]      ipv6_add_addr+0x411/0x2000
[ 5265.032980][   T10]      inet6_addr_add+0x30e/0xa40
[ 5265.032980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.032980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.032980][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.032980][   T10]      netlink_unicast+0x449/0x710
[ 5265.032980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.032980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.032980][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.032980][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.032980][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.032980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.032980][   T10] 
[ 5265.034944][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.034944][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.034944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.034944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.034944][   T10]      ip6_route_add+0x1c/0x140
[ 5265.034944][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5265.034944][   T10]      addrconf_add_dev+0xe2/0x170
[ 5265.034944][   T10]      inet6_addr_add+0x12f/0xa40
[ 5265.034944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.034944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.034944][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.034944][   T10]      netlink_unicast+0x449/0x710
[ 5265.034944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.034944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.034944][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.034944][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.034944][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.034944][   T10] 
[ 5265.036894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.036894][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5265.036894][   T10]      ipv6_find_idev+0x102/0x170
[ 5265.036894][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5265.036894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.036894][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.036894][   T10]      netlink_unicast+0x449/0x710
[ 5265.036894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.036894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.036894][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.036894][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.036894][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.036894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.036894][   T10] 
[ 5265.038446][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5265.038446][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5265.038446][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5265.038446][   T10]      ipv6_find_idev+0x102/0x170
[ 5265.038446][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5265.038446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.038446][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.038446][   T10]      netlink_unicast+0x449/0x710
[ 5265.038446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.038446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.038446][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.038446][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.038446][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.038446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.038446][   T10] 
[ 5265.040157][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5265.040432][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.040432][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5265.040432][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5265.040432][   T10]      fib6_nh_init+0xa22/0x1580
[ 5265.040432][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.040432][   T10]      ip6_route_add+0x1c/0x140
[ 5265.040432][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5265.040432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.040432][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.040432][   T10]      netlink_unicast+0x449/0x710
[ 5265.040432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.040432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.040432][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.040432][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.040432][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.040432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.040432][   T10] 
[ 5265.042324][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.042324][   T10]      dst_init+0x84/0x4a0
[ 5265.042324][   T10]      dst_alloc+0x97/0x150
[ 5265.042324][   T10]      ip6_dst_alloc+0x23/0x90
[ 5265.042324][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5265.042324][   T10]      ip6_pol_route+0x56f/0x840
[ 5265.042324][   T10]      fib6_rule_lookup+0x456/0x630
[ 5265.042324][   T10]      ip6_route_input+0x59c/0xa50
[ 5265.042324][   T10]      ipv6_rcv+0x397/0x810
[ 5265.042324][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5265.042324][   T10]      process_backlog+0x101/0x620
[ 5265.042324][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5265.042324][   T10]      net_rx_action+0x495/0xbe0
[ 5265.042324][   T10]      __do_softirq+0x1b5/0x7f6
[ 5265.042324][   T10] 
[ 5265.043980][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.043980][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.043980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.043980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.043980][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5265.043980][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5265.043980][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5265.043980][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5265.043980][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5265.043980][   T10]      addrconf_dad_begin+0x310/0x670
[ 5265.043980][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5265.043980][   T10]      process_one_work+0x84d/0x18a0
[ 5265.043980][   T10]      worker_thread+0x587/0xd30
[ 5265.043980][   T10]      kthread+0x28a/0x350
[ 5265.043980][   T10]      ret_from_fork+0x31/0x70
[ 5265.043980][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5265.043980][   T10] 
[ 5265.045868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.045868][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.045868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.045868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.045868][   T10]      ip6_route_add+0x1c/0x140
[ 5265.045868][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5265.045868][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5265.045868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.045868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.045868][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.045868][   T10]      netlink_unicast+0x449/0x710
[ 5265.045868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.045868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.045868][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.045868][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.045868][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.045868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.045868][   T10] 
[ 5265.047999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.047999][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.047999][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.047999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.047999][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5265.047999][   T10]      ipv6_add_addr+0x411/0x2000
[ 5265.047999][   T10]      inet6_addr_add+0x30e/0xa40
[ 5265.047999][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.047999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.047999][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.047999][   T10]      netlink_unicast+0x449/0x710
[ 5265.047999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.047999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.047999][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.047999][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.047999][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.047999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.047999][   T10] 
[ 5265.050022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.050022][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.050022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.050022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.050022][   T10]      ip6_route_add+0x1c/0x140
[ 5265.050022][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5265.050022][   T10]      addrconf_add_dev+0xe2/0x170
[ 5265.050022][   T10]      inet6_addr_add+0x12f/0xa40
[ 5265.050022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.050022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.050022][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.050022][   T10]      netlink_unicast+0x449/0x710
[ 5265.050022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.050022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.050022][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.050022][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.050022][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.050022][   T10] 
[ 5265.052198][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.052198][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5265.052198][   T10]      ipv6_find_idev+0x102/0x170
[ 5265.052198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5265.052198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.052198][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.052198][   T10]      netlink_unicast+0x449/0x710
[ 5265.052198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.052198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.052198][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.052198][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.052198][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.052198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.052198][   T10] 
[ 5265.053996][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5265.053996][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5265.053996][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5265.053996][   T10]      ipv6_find_idev+0x102/0x170
[ 5265.053996][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5265.053996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.053996][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.053996][   T10]      netlink_unicast+0x449/0x710
[ 5265.053996][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.053996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.053996][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.053996][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.053996][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.053996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.053996][   T10] 
[ 5265.055888][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5265.056128][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5265.056128][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.056128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.056128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.056128][   T10]      ip6_route_add+0x1c/0x140
[ 5265.056128][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5265.056128][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5265.056128][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.056128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.056128][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.056128][   T10]      netlink_unicast+0x449/0x710
[ 5265.056128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.056128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.056128][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.056128][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.056128][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.056128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.056128][   T10] 
[ 5265.058396][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5265.058396][   T10]      netdev_get_by_index+0x5e/0x80
[ 5265.058396][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5265.058396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5265.058396][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5265.058396][   T10]      ipv6_add_addr+0x411/0x2000
[ 5265.058396][   T10]      inet6_addr_add+0x30e/0xa40
[ 5265.058396][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5265.058396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.058396][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.058396][   T10]      netlink_unicast+0x449/0x710
[ 5265.058396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.058396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.058396][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.058396][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.058396][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.058396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.058396][   T10] 
[ 5265.060671][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5265.060671][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5265.060671][   T10]      ipv6_find_idev+0x102/0x170
[ 5265.060671][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5265.060671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.060671][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.060671][   T10]      netlink_unicast+0x449/0x710
[ 5265.060671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.060671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.060671][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.060671][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.060671][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.060671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.060671][   T10] 
[ 5265.062477][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5265.062477][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5265.062477][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5265.062477][   T10]      ipv6_find_idev+0x102/0x170
[ 5265.062477][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5265.062477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5265.062477][   T10]      netlink_rcv_skb+0x130/0x360
[ 5265.062477][   T10]      netlink_unicast+0x449/0x710
[ 5265.062477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5265.062477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5265.062477][   T10]      ___sys_sendmsg+0xee/0x170
[ 5265.062477][   T10]      __sys_sendmsg+0xcd/0x170
[ 5265.062477][   T10]      do_syscall_64+0xc6/0x1e0
[ 5265.062477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5265.062477][   T10] 
[ 5275.304814][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5275.305250][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.305250][   T10]      dst_init+0x84/0x4a0
[ 5275.305250][   T10]      dst_alloc+0x97/0x150
[ 5275.305250][   T10]      ip6_dst_alloc+0x23/0x90
[ 5275.305250][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5275.305250][   T10]      ip6_pol_route+0x56f/0x840
[ 5275.305250][   T10]      fib6_rule_lookup+0x456/0x630
[ 5275.305250][   T10]      ip6_route_input+0x59c/0xa50
[ 5275.305250][   T10]      ipv6_rcv+0x397/0x810
[ 5275.305250][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5275.305250][   T10]      process_backlog+0x101/0x620
[ 5275.305250][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5275.305250][   T10]      net_rx_action+0x495/0xbe0
[ 5275.305250][   T10]      __do_softirq+0x1b5/0x7f6
[ 5275.305250][   T10] 
[ 5275.306952][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.306952][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5275.306952][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5275.306952][   T10]      fib6_nh_init+0xa22/0x1580
[ 5275.306952][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.306952][   T10]      ip6_route_add+0x1c/0x140
[ 5275.306952][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5275.306952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.306952][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.306952][   T10]      netlink_unicast+0x449/0x710
[ 5275.306952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.306952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.306952][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.306952][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.306952][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.306952][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.306952][   T10] 
[ 5275.308866][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.308866][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.308866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.308866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.308866][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5275.308866][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5275.308866][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5275.308866][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5275.308866][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5275.308866][   T10]      addrconf_dad_begin+0x310/0x670
[ 5275.308866][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5275.308866][   T10]      process_one_work+0x84d/0x18a0
[ 5275.308866][   T10]      worker_thread+0x587/0xd30
[ 5275.308866][   T10]      kthread+0x28a/0x350
[ 5275.308866][   T10]      ret_from_fork+0x31/0x70
[ 5275.308866][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5275.308866][   T10] 
[ 5275.310801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.310801][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.310801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.310801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.310801][   T10]      ip6_route_add+0x1c/0x140
[ 5275.310801][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5275.310801][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5275.310801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.310801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.310801][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.310801][   T10]      netlink_unicast+0x449/0x710
[ 5275.310801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.310801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.310801][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.310801][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.310801][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.310801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.310801][   T10] 
[ 5275.312832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.312832][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.312832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.312832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.312832][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5275.312832][   T10]      ipv6_add_addr+0x411/0x2000
[ 5275.312832][   T10]      inet6_addr_add+0x30e/0xa40
[ 5275.312832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.312832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.312832][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.312832][   T10]      netlink_unicast+0x449/0x710
[ 5275.312832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.312832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.312832][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.312832][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.312832][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.312832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.312832][   T10] 
[ 5275.314857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.314857][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.314857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.314857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.314857][   T10]      ip6_route_add+0x1c/0x140
[ 5275.314857][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5275.314857][   T10]      addrconf_add_dev+0xe2/0x170
[ 5275.314857][   T10]      inet6_addr_add+0x12f/0xa40
[ 5275.314857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.314857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.314857][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.314857][   T10]      netlink_unicast+0x449/0x710
[ 5275.314857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.314857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.314857][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.314857][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.314857][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.314857][   T10] 
[ 5275.316842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.316842][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5275.316842][   T10]      ipv6_find_idev+0x102/0x170
[ 5275.316842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5275.316842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.316842][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.316842][   T10]      netlink_unicast+0x449/0x710
[ 5275.316842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.316842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.316842][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.316842][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.316842][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.316842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.316842][   T10] 
[ 5275.318399][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5275.318399][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5275.318399][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5275.318399][   T10]      ipv6_find_idev+0x102/0x170
[ 5275.318399][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5275.318399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.318399][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.318399][   T10]      netlink_unicast+0x449/0x710
[ 5275.318399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.318399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.318399][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.318399][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.318399][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.318399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.318399][   T10] 
[ 5275.320138][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5275.320387][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.320387][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5275.320387][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5275.320387][   T10]      fib6_nh_init+0xa22/0x1580
[ 5275.320387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.320387][   T10]      ip6_route_add+0x1c/0x140
[ 5275.320387][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5275.320387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.320387][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.320387][   T10]      netlink_unicast+0x449/0x710
[ 5275.320387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.320387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.320387][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.320387][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.320387][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.320387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.320387][   T10] 
[ 5275.322292][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.322292][   T10]      dst_init+0x84/0x4a0
[ 5275.322292][   T10]      dst_alloc+0x97/0x150
[ 5275.322292][   T10]      ip6_dst_alloc+0x23/0x90
[ 5275.322292][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5275.322292][   T10]      ip6_pol_route+0x56f/0x840
[ 5275.322292][   T10]      fib6_rule_lookup+0x456/0x630
[ 5275.322292][   T10]      ip6_route_input+0x59c/0xa50
[ 5275.322292][   T10]      ipv6_rcv+0x397/0x810
[ 5275.322292][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5275.322292][   T10]      process_backlog+0x101/0x620
[ 5275.322292][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5275.322292][   T10]      net_rx_action+0x495/0xbe0
[ 5275.322292][   T10]      __do_softirq+0x1b5/0x7f6
[ 5275.322292][   T10] 
[ 5275.323930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.323930][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.323930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.323930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.323930][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5275.323930][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5275.323930][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5275.323930][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5275.323930][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5275.323930][   T10]      addrconf_dad_begin+0x310/0x670
[ 5275.323930][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5275.323930][   T10]      process_one_work+0x84d/0x18a0
[ 5275.323930][   T10]      worker_thread+0x587/0xd30
[ 5275.323930][   T10]      kthread+0x28a/0x350
[ 5275.323930][   T10]      ret_from_fork+0x31/0x70
[ 5275.323930][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5275.323930][   T10] 
[ 5275.325858][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.325858][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.325858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.325858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.325858][   T10]      ip6_route_add+0x1c/0x140
[ 5275.325858][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5275.325858][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5275.325858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.325858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.325858][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.325858][   T10]      netlink_unicast+0x449/0x710
[ 5275.325858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.325858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.325858][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.325858][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.325858][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.325858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.325858][   T10] 
[ 5275.327898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.327898][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.327898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.327898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.327898][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5275.327898][   T10]      ipv6_add_addr+0x411/0x2000
[ 5275.327898][   T10]      inet6_addr_add+0x30e/0xa40
[ 5275.327898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.327898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.327898][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.327898][   T10]      netlink_unicast+0x449/0x710
[ 5275.327898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.327898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.327898][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.327898][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.327898][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.327898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.327898][   T10] 
[ 5275.329920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.329920][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.329920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.329920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.329920][   T10]      ip6_route_add+0x1c/0x140
[ 5275.329920][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5275.329920][   T10]      addrconf_add_dev+0xe2/0x170
[ 5275.329920][   T10]      inet6_addr_add+0x12f/0xa40
[ 5275.329920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.329920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.329920][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.329920][   T10]      netlink_unicast+0x449/0x710
[ 5275.329920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.329920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.329920][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.329920][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.329920][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.329920][   T10] 
[ 5275.332099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.332099][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5275.332099][   T10]      ipv6_find_idev+0x102/0x170
[ 5275.332099][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5275.332099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.332099][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.332099][   T10]      netlink_unicast+0x449/0x710
[ 5275.332099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.332099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.332099][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.332099][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.332099][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.332099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.332099][   T10] 
[ 5275.333831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5275.333831][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5275.333831][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5275.333831][   T10]      ipv6_find_idev+0x102/0x170
[ 5275.333831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5275.333831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.333831][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.333831][   T10]      netlink_unicast+0x449/0x710
[ 5275.333831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.333831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.333831][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.333831][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.333831][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.333831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.333831][   T10] 
[ 5275.335781][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5275.336033][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5275.336033][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.336033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.336033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.336033][   T10]      ip6_route_add+0x1c/0x140
[ 5275.336033][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5275.336033][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5275.336033][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.336033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.336033][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.336033][   T10]      netlink_unicast+0x449/0x710
[ 5275.336033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.336033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.336033][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.336033][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.336033][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.336033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.336033][   T10] 
[ 5275.338292][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5275.338292][   T10]      netdev_get_by_index+0x5e/0x80
[ 5275.338292][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5275.338292][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5275.338292][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5275.338292][   T10]      ipv6_add_addr+0x411/0x2000
[ 5275.338292][   T10]      inet6_addr_add+0x30e/0xa40
[ 5275.338292][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5275.338292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.338292][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.338292][   T10]      netlink_unicast+0x449/0x710
[ 5275.338292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.338292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.338292][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.338292][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.338292][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.338292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.338292][   T10] 
[ 5275.340548][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5275.340548][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5275.340548][   T10]      ipv6_find_idev+0x102/0x170
[ 5275.340548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5275.340548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.340548][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.340548][   T10]      netlink_unicast+0x449/0x710
[ 5275.340548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.340548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.340548][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.340548][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.340548][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.340548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.340548][   T10] 
[ 5275.342295][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5275.342295][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5275.342295][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5275.342295][   T10]      ipv6_find_idev+0x102/0x170
[ 5275.342295][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5275.342295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5275.342295][   T10]      netlink_rcv_skb+0x130/0x360
[ 5275.342295][   T10]      netlink_unicast+0x449/0x710
[ 5275.342295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5275.342295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5275.342295][   T10]      ___sys_sendmsg+0xee/0x170
[ 5275.342295][   T10]      __sys_sendmsg+0xcd/0x170
[ 5275.342295][   T10]      do_syscall_64+0xc6/0x1e0
[ 5275.342295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5275.342295][   T10] 
[ 5285.376695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5285.377188][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.377188][   T10]      dst_init+0x84/0x4a0
[ 5285.377188][   T10]      dst_alloc+0x97/0x150
[ 5285.377188][   T10]      ip6_dst_alloc+0x23/0x90
[ 5285.377188][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5285.377188][   T10]      ip6_pol_route+0x56f/0x840
[ 5285.377188][   T10]      fib6_rule_lookup+0x456/0x630
[ 5285.377188][   T10]      ip6_route_input+0x59c/0xa50
[ 5285.377188][   T10]      ipv6_rcv+0x397/0x810
[ 5285.377188][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5285.377188][   T10]      process_backlog+0x101/0x620
[ 5285.377188][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5285.377188][   T10]      net_rx_action+0x495/0xbe0
[ 5285.377188][   T10]      __do_softirq+0x1b5/0x7f6
[ 5285.377188][   T10] 
[ 5285.378890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.378890][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5285.378890][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5285.378890][   T10]      fib6_nh_init+0xa22/0x1580
[ 5285.378890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.378890][   T10]      ip6_route_add+0x1c/0x140
[ 5285.378890][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5285.378890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.378890][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.378890][   T10]      netlink_unicast+0x449/0x710
[ 5285.378890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.378890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.378890][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.378890][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.378890][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.378890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.378890][   T10] 
[ 5285.380815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.380815][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.380815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.380815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.380815][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5285.380815][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5285.380815][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5285.380815][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5285.380815][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5285.380815][   T10]      addrconf_dad_begin+0x310/0x670
[ 5285.380815][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5285.380815][   T10]      process_one_work+0x84d/0x18a0
[ 5285.380815][   T10]      worker_thread+0x587/0xd30
[ 5285.380815][   T10]      kthread+0x28a/0x350
[ 5285.380815][   T10]      ret_from_fork+0x31/0x70
[ 5285.380815][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5285.380815][   T10] 
[ 5285.382754][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.382754][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.382754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.382754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.382754][   T10]      ip6_route_add+0x1c/0x140
[ 5285.382754][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5285.382754][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5285.382754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.382754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.382754][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.382754][   T10]      netlink_unicast+0x449/0x710
[ 5285.382754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.382754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.382754][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.382754][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.382754][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.382754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.382754][   T10] 
[ 5285.384790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.384790][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.384790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.384790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.384790][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5285.384790][   T10]      ipv6_add_addr+0x411/0x2000
[ 5285.384790][   T10]      inet6_addr_add+0x30e/0xa40
[ 5285.384790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.384790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.384790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.384790][   T10]      netlink_unicast+0x449/0x710
[ 5285.384790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.384790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.384790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.384790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.384790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.384790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.384790][   T10] 
[ 5285.386801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.386801][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.386801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.386801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.386801][   T10]      ip6_route_add+0x1c/0x140
[ 5285.386801][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5285.386801][   T10]      addrconf_add_dev+0xe2/0x170
[ 5285.386801][   T10]      inet6_addr_add+0x12f/0xa40
[ 5285.386801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.386801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.386801][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.386801][   T10]      netlink_unicast+0x449/0x710
[ 5285.386801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.386801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.386801][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.386801][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.386801][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.386801][   T10] 
[ 5285.388785][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.388785][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5285.388785][   T10]      ipv6_find_idev+0x102/0x170
[ 5285.388785][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5285.388785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.388785][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.388785][   T10]      netlink_unicast+0x449/0x710
[ 5285.388785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.388785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.388785][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.388785][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.388785][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.388785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.388785][   T10] 
[ 5285.390339][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5285.390339][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5285.390339][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5285.390339][   T10]      ipv6_find_idev+0x102/0x170
[ 5285.390339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5285.390339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.390339][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.390339][   T10]      netlink_unicast+0x449/0x710
[ 5285.390339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.390339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.390339][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.390339][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.390339][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.390339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.390339][   T10] 
[ 5285.392075][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5285.392326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.392326][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5285.392326][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5285.392326][   T10]      fib6_nh_init+0xa22/0x1580
[ 5285.392326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.392326][   T10]      ip6_route_add+0x1c/0x140
[ 5285.392326][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5285.392326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.392326][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.392326][   T10]      netlink_unicast+0x449/0x710
[ 5285.392326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.392326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.392326][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.392326][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.392326][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.392326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.392326][   T10] 
[ 5285.394226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.394226][   T10]      dst_init+0x84/0x4a0
[ 5285.394226][   T10]      dst_alloc+0x97/0x150
[ 5285.394226][   T10]      ip6_dst_alloc+0x23/0x90
[ 5285.394226][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5285.394226][   T10]      ip6_pol_route+0x56f/0x840
[ 5285.394226][   T10]      fib6_rule_lookup+0x456/0x630
[ 5285.394226][   T10]      ip6_route_input+0x59c/0xa50
[ 5285.394226][   T10]      ipv6_rcv+0x397/0x810
[ 5285.394226][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5285.394226][   T10]      process_backlog+0x101/0x620
[ 5285.394226][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5285.394226][   T10]      net_rx_action+0x495/0xbe0
[ 5285.394226][   T10]      __do_softirq+0x1b5/0x7f6
[ 5285.394226][   T10] 
[ 5285.395898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.395898][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.395898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.395898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.395898][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5285.395898][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5285.395898][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5285.395898][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5285.395898][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5285.395898][   T10]      addrconf_dad_begin+0x310/0x670
[ 5285.395898][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5285.395898][   T10]      process_one_work+0x84d/0x18a0
[ 5285.395898][   T10]      worker_thread+0x587/0xd30
[ 5285.395898][   T10]      kthread+0x28a/0x350
[ 5285.395898][   T10]      ret_from_fork+0x31/0x70
[ 5285.395898][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5285.395898][   T10] 
[ 5285.397794][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.397794][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.397794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.397794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.397794][   T10]      ip6_route_add+0x1c/0x140
[ 5285.397794][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5285.397794][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5285.397794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.397794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.397794][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.397794][   T10]      netlink_unicast+0x449/0x710
[ 5285.397794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.397794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.397794][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.397794][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.397794][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.397794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.397794][   T10] 
[ 5285.399801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.399801][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.399801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.399801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.399801][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5285.399801][   T10]      ipv6_add_addr+0x411/0x2000
[ 5285.399801][   T10]      inet6_addr_add+0x30e/0xa40
[ 5285.399801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.399801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.399801][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.399801][   T10]      netlink_unicast+0x449/0x710
[ 5285.399801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.399801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.399801][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.399801][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.399801][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.399801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.399801][   T10] 
[ 5285.401826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.401826][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.401826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.401826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.401826][   T10]      ip6_route_add+0x1c/0x140
[ 5285.401826][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5285.401826][   T10]      addrconf_add_dev+0xe2/0x170
[ 5285.401826][   T10]      inet6_addr_add+0x12f/0xa40
[ 5285.401826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.401826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.401826][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.401826][   T10]      netlink_unicast+0x449/0x710
[ 5285.401826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.401826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.401826][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.401826][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.401826][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.401826][   T10] 
[ 5285.404025][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.404025][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5285.404025][   T10]      ipv6_find_idev+0x102/0x170
[ 5285.404025][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5285.404025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.404025][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.404025][   T10]      netlink_unicast+0x449/0x710
[ 5285.404025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.404025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.404025][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.404025][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.404025][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.404025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.404025][   T10] 
[ 5285.405806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5285.405806][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5285.405806][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5285.405806][   T10]      ipv6_find_idev+0x102/0x170
[ 5285.405806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5285.405806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.405806][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.405806][   T10]      netlink_unicast+0x449/0x710
[ 5285.405806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.405806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.405806][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.405806][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.405806][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.405806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.405806][   T10] 
[ 5285.407708][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5285.407972][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5285.407972][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.407972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.407972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.407972][   T10]      ip6_route_add+0x1c/0x140
[ 5285.407972][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5285.407972][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5285.407972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.407972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.407972][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.407972][   T10]      netlink_unicast+0x449/0x710
[ 5285.407972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.407972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.407972][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.407972][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.407972][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.407972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.407972][   T10] 
[ 5285.410249][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5285.410249][   T10]      netdev_get_by_index+0x5e/0x80
[ 5285.410249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5285.410249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5285.410249][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5285.410249][   T10]      ipv6_add_addr+0x411/0x2000
[ 5285.410249][   T10]      inet6_addr_add+0x30e/0xa40
[ 5285.410249][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5285.410249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.410249][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.410249][   T10]      netlink_unicast+0x449/0x710
[ 5285.410249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.410249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.410249][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.410249][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.410249][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.410249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.410249][   T10] 
[ 5285.412529][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5285.412529][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5285.412529][   T10]      ipv6_find_idev+0x102/0x170
[ 5285.412529][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5285.412529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.412529][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.412529][   T10]      netlink_unicast+0x449/0x710
[ 5285.412529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.412529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.412529][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.412529][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.412529][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.412529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.412529][   T10] 
[ 5285.414326][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5285.414326][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5285.414326][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5285.414326][   T10]      ipv6_find_idev+0x102/0x170
[ 5285.414326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5285.414326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5285.414326][   T10]      netlink_rcv_skb+0x130/0x360
[ 5285.414326][   T10]      netlink_unicast+0x449/0x710
[ 5285.414326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5285.414326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5285.414326][   T10]      ___sys_sendmsg+0xee/0x170
[ 5285.414326][   T10]      __sys_sendmsg+0xcd/0x170
[ 5285.414326][   T10]      do_syscall_64+0xc6/0x1e0
[ 5285.414326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5285.414326][   T10] 
[ 5295.656747][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5295.657158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.657158][   T10]      dst_init+0x84/0x4a0
[ 5295.657158][   T10]      dst_alloc+0x97/0x150
[ 5295.657158][   T10]      ip6_dst_alloc+0x23/0x90
[ 5295.657158][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5295.657158][   T10]      ip6_pol_route+0x56f/0x840
[ 5295.657158][   T10]      fib6_rule_lookup+0x456/0x630
[ 5295.657158][   T10]      ip6_route_input+0x59c/0xa50
[ 5295.657158][   T10]      ipv6_rcv+0x397/0x810
[ 5295.657158][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5295.657158][   T10]      process_backlog+0x101/0x620
[ 5295.657158][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5295.657158][   T10]      net_rx_action+0x495/0xbe0
[ 5295.657158][   T10]      __do_softirq+0x1b5/0x7f6
[ 5295.657158][   T10] 
[ 5295.658881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.658881][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5295.658881][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5295.658881][   T10]      fib6_nh_init+0xa22/0x1580
[ 5295.658881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.658881][   T10]      ip6_route_add+0x1c/0x140
[ 5295.658881][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5295.658881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.658881][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.658881][   T10]      netlink_unicast+0x449/0x710
[ 5295.658881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.658881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.658881][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.658881][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.658881][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.658881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.658881][   T10] 
[ 5295.660813][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.660813][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.660813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.660813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.660813][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5295.660813][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5295.660813][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5295.660813][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5295.660813][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5295.660813][   T10]      addrconf_dad_begin+0x310/0x670
[ 5295.660813][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5295.660813][   T10]      process_one_work+0x84d/0x18a0
[ 5295.660813][   T10]      worker_thread+0x587/0xd30
[ 5295.660813][   T10]      kthread+0x28a/0x350
[ 5295.660813][   T10]      ret_from_fork+0x31/0x70
[ 5295.660813][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5295.660813][   T10] 
[ 5295.662790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.662790][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.662790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.662790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.662790][   T10]      ip6_route_add+0x1c/0x140
[ 5295.662790][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5295.662790][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5295.662790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.662790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.662790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.662790][   T10]      netlink_unicast+0x449/0x710
[ 5295.662790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.662790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.662790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.662790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.662790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.662790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.662790][   T10] 
[ 5295.664819][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.664819][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.664819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.664819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.664819][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5295.664819][   T10]      ipv6_add_addr+0x411/0x2000
[ 5295.664819][   T10]      inet6_addr_add+0x30e/0xa40
[ 5295.664819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.664819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.664819][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.664819][   T10]      netlink_unicast+0x449/0x710
[ 5295.664819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.664819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.664819][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.664819][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.664819][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.664819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.664819][   T10] 
[ 5295.666844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.666844][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.666844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.666844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.666844][   T10]      ip6_route_add+0x1c/0x140
[ 5295.666844][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5295.666844][   T10]      addrconf_add_dev+0xe2/0x170
[ 5295.666844][   T10]      inet6_addr_add+0x12f/0xa40
[ 5295.666844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.666844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.666844][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.666844][   T10]      netlink_unicast+0x449/0x710
[ 5295.666844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.666844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.666844][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.666844][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.666844][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.666844][   T10] 
[ 5295.668824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.668824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5295.668824][   T10]      ipv6_find_idev+0x102/0x170
[ 5295.668824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5295.668824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.668824][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.668824][   T10]      netlink_unicast+0x449/0x710
[ 5295.668824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.668824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.668824][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.668824][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.668824][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.668824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.668824][   T10] 
[ 5295.670375][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5295.670375][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5295.670375][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5295.670375][   T10]      ipv6_find_idev+0x102/0x170
[ 5295.670375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5295.670375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.670375][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.670375][   T10]      netlink_unicast+0x449/0x710
[ 5295.670375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.670375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.670375][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.670375][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.670375][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.670375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.670375][   T10] 
[ 5295.672137][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5295.672390][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.672390][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5295.672390][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5295.672390][   T10]      fib6_nh_init+0xa22/0x1580
[ 5295.672390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.672390][   T10]      ip6_route_add+0x1c/0x140
[ 5295.672390][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5295.672390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.672390][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.672390][   T10]      netlink_unicast+0x449/0x710
[ 5295.672390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.672390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.672390][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.672390][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.672390][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.672390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.672390][   T10] 
[ 5295.674290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.674290][   T10]      dst_init+0x84/0x4a0
[ 5295.674290][   T10]      dst_alloc+0x97/0x150
[ 5295.674290][   T10]      ip6_dst_alloc+0x23/0x90
[ 5295.674290][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5295.674290][   T10]      ip6_pol_route+0x56f/0x840
[ 5295.674290][   T10]      fib6_rule_lookup+0x456/0x630
[ 5295.674290][   T10]      ip6_route_input+0x59c/0xa50
[ 5295.674290][   T10]      ipv6_rcv+0x397/0x810
[ 5295.674290][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5295.674290][   T10]      process_backlog+0x101/0x620
[ 5295.674290][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5295.674290][   T10]      net_rx_action+0x495/0xbe0
[ 5295.674290][   T10]      __do_softirq+0x1b5/0x7f6
[ 5295.674290][   T10] 
[ 5295.675950][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.675950][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.675950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.675950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.675950][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5295.675950][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5295.675950][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5295.675950][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5295.675950][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5295.675950][   T10]      addrconf_dad_begin+0x310/0x670
[ 5295.675950][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5295.675950][   T10]      process_one_work+0x84d/0x18a0
[ 5295.675950][   T10]      worker_thread+0x587/0xd30
[ 5295.675950][   T10]      kthread+0x28a/0x350
[ 5295.675950][   T10]      ret_from_fork+0x31/0x70
[ 5295.675950][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5295.675950][   T10] 
[ 5295.677869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.677869][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.677869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.677869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.677869][   T10]      ip6_route_add+0x1c/0x140
[ 5295.677869][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5295.677869][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5295.677869][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.677869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.677869][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.677869][   T10]      netlink_unicast+0x449/0x710
[ 5295.677869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.677869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.677869][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.677869][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.677869][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.677869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.677869][   T10] 
[ 5295.679878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.679878][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.679878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.679878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.679878][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5295.679878][   T10]      ipv6_add_addr+0x411/0x2000
[ 5295.679878][   T10]      inet6_addr_add+0x30e/0xa40
[ 5295.679878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.679878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.679878][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.679878][   T10]      netlink_unicast+0x449/0x710
[ 5295.679878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.679878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.679878][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.679878][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.679878][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.679878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.679878][   T10] 
[ 5295.681900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.681900][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.681900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.681900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.681900][   T10]      ip6_route_add+0x1c/0x140
[ 5295.681900][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5295.681900][   T10]      addrconf_add_dev+0xe2/0x170
[ 5295.681900][   T10]      inet6_addr_add+0x12f/0xa40
[ 5295.681900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.681900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.681900][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.681900][   T10]      netlink_unicast+0x449/0x710
[ 5295.681900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.681900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.681900][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.681900][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.681900][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.681900][   T10] 
[ 5295.684082][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.684082][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5295.684082][   T10]      ipv6_find_idev+0x102/0x170
[ 5295.684082][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5295.684082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.684082][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.684082][   T10]      netlink_unicast+0x449/0x710
[ 5295.684082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.684082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.684082][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.684082][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.684082][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.684082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.684082][   T10] 
[ 5295.685818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5295.685818][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5295.685818][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5295.685818][   T10]      ipv6_find_idev+0x102/0x170
[ 5295.685818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5295.685818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.685818][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.685818][   T10]      netlink_unicast+0x449/0x710
[ 5295.685818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.685818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.685818][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.685818][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.685818][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.685818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.685818][   T10] 
[ 5295.687775][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5295.688024][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5295.688024][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.688024][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.688024][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.688024][   T10]      ip6_route_add+0x1c/0x140
[ 5295.688024][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5295.688024][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5295.688024][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.688024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.688024][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.688024][   T10]      netlink_unicast+0x449/0x710
[ 5295.688024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.688024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.688024][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.688024][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.688024][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.688024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.688024][   T10] 
[ 5295.690285][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5295.690285][   T10]      netdev_get_by_index+0x5e/0x80
[ 5295.690285][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5295.690285][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5295.690285][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5295.690285][   T10]      ipv6_add_addr+0x411/0x2000
[ 5295.690285][   T10]      inet6_addr_add+0x30e/0xa40
[ 5295.690285][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5295.690285][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.690285][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.690285][   T10]      netlink_unicast+0x449/0x710
[ 5295.690285][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.690285][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.690285][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.690285][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.690285][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.690285][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.690285][   T10] 
[ 5295.692561][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5295.692561][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5295.692561][   T10]      ipv6_find_idev+0x102/0x170
[ 5295.692561][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5295.692561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.692561][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.692561][   T10]      netlink_unicast+0x449/0x710
[ 5295.692561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.692561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.692561][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.692561][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.692561][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.692561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.692561][   T10] 
[ 5295.694292][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5295.694292][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5295.694292][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5295.694292][   T10]      ipv6_find_idev+0x102/0x170
[ 5295.694292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5295.694292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5295.694292][   T10]      netlink_rcv_skb+0x130/0x360
[ 5295.694292][   T10]      netlink_unicast+0x449/0x710
[ 5295.694292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5295.694292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5295.694292][   T10]      ___sys_sendmsg+0xee/0x170
[ 5295.694292][   T10]      __sys_sendmsg+0xcd/0x170
[ 5295.694292][   T10]      do_syscall_64+0xc6/0x1e0
[ 5295.694292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5295.694292][   T10] 
[ 5305.936702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5305.937171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.937171][   T10]      dst_init+0x84/0x4a0
[ 5305.937171][   T10]      dst_alloc+0x97/0x150
[ 5305.937171][   T10]      ip6_dst_alloc+0x23/0x90
[ 5305.937171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5305.937171][   T10]      ip6_pol_route+0x56f/0x840
[ 5305.937171][   T10]      fib6_rule_lookup+0x456/0x630
[ 5305.937171][   T10]      ip6_route_input+0x59c/0xa50
[ 5305.937171][   T10]      ipv6_rcv+0x397/0x810
[ 5305.937171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5305.937171][   T10]      process_backlog+0x101/0x620
[ 5305.937171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5305.937171][   T10]      net_rx_action+0x495/0xbe0
[ 5305.937171][   T10]      __do_softirq+0x1b5/0x7f6
[ 5305.937171][   T10] 
[ 5305.938844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.938844][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5305.938844][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5305.938844][   T10]      fib6_nh_init+0xa22/0x1580
[ 5305.938844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.938844][   T10]      ip6_route_add+0x1c/0x140
[ 5305.938844][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5305.938844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.938844][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.938844][   T10]      netlink_unicast+0x449/0x710
[ 5305.938844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.938844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.938844][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.938844][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.938844][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.938844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.938844][   T10] 
[ 5305.940764][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.940764][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.940764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.940764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.940764][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5305.940764][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5305.940764][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5305.940764][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5305.940764][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5305.940764][   T10]      addrconf_dad_begin+0x310/0x670
[ 5305.940764][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5305.940764][   T10]      process_one_work+0x84d/0x18a0
[ 5305.940764][   T10]      worker_thread+0x587/0xd30
[ 5305.940764][   T10]      kthread+0x28a/0x350
[ 5305.940764][   T10]      ret_from_fork+0x31/0x70
[ 5305.940764][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5305.940764][   T10] 
[ 5305.942706][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.942706][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.942706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.942706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.942706][   T10]      ip6_route_add+0x1c/0x140
[ 5305.942706][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5305.942706][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5305.942706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.942706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.942706][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.942706][   T10]      netlink_unicast+0x449/0x710
[ 5305.942706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.942706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.942706][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.942706][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.942706][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.942706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.942706][   T10] 
[ 5305.944709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.944709][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.944709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.944709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.944709][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5305.944709][   T10]      ipv6_add_addr+0x411/0x2000
[ 5305.944709][   T10]      inet6_addr_add+0x30e/0xa40
[ 5305.944709][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.944709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.944709][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.944709][   T10]      netlink_unicast+0x449/0x710
[ 5305.944709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.944709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.944709][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.944709][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.944709][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.944709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.944709][   T10] 
[ 5305.946712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.946712][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.946712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.946712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.946712][   T10]      ip6_route_add+0x1c/0x140
[ 5305.946712][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5305.946712][   T10]      addrconf_add_dev+0xe2/0x170
[ 5305.946712][   T10]      inet6_addr_add+0x12f/0xa40
[ 5305.946712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.946712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.946712][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.946712][   T10]      netlink_unicast+0x449/0x710
[ 5305.946712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.946712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.946712][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.946712][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.946712][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.946712][   T10] 
[ 5305.948710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.948710][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5305.948710][   T10]      ipv6_find_idev+0x102/0x170
[ 5305.948710][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5305.948710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.948710][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.948710][   T10]      netlink_unicast+0x449/0x710
[ 5305.948710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.948710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.948710][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.948710][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.948710][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.948710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.948710][   T10] 
[ 5305.950253][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5305.950253][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5305.950253][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5305.950253][   T10]      ipv6_find_idev+0x102/0x170
[ 5305.950253][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5305.950253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.950253][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.950253][   T10]      netlink_unicast+0x449/0x710
[ 5305.950253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.950253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.950253][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.950253][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.950253][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.950253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.950253][   T10] 
[ 5305.951974][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5305.952212][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.952212][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5305.952212][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5305.952212][   T10]      fib6_nh_init+0xa22/0x1580
[ 5305.952212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.952212][   T10]      ip6_route_add+0x1c/0x140
[ 5305.952212][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5305.952212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.952212][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.952212][   T10]      netlink_unicast+0x449/0x710
[ 5305.952212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.952212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.952212][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.952212][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.952212][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.952212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.952212][   T10] 
[ 5305.954130][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.954130][   T10]      dst_init+0x84/0x4a0
[ 5305.954130][   T10]      dst_alloc+0x97/0x150
[ 5305.954130][   T10]      ip6_dst_alloc+0x23/0x90
[ 5305.954130][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5305.954130][   T10]      ip6_pol_route+0x56f/0x840
[ 5305.954130][   T10]      fib6_rule_lookup+0x456/0x630
[ 5305.954130][   T10]      ip6_route_input+0x59c/0xa50
[ 5305.954130][   T10]      ipv6_rcv+0x397/0x810
[ 5305.954130][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5305.954130][   T10]      process_backlog+0x101/0x620
[ 5305.954130][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5305.954130][   T10]      net_rx_action+0x495/0xbe0
[ 5305.954130][   T10]      __do_softirq+0x1b5/0x7f6
[ 5305.954130][   T10] 
[ 5305.955775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.955775][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.955775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.955775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.955775][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5305.955775][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5305.955775][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5305.955775][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5305.955775][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5305.955775][   T10]      addrconf_dad_begin+0x310/0x670
[ 5305.955775][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5305.955775][   T10]      process_one_work+0x84d/0x18a0
[ 5305.955775][   T10]      worker_thread+0x587/0xd30
[ 5305.955775][   T10]      kthread+0x28a/0x350
[ 5305.955775][   T10]      ret_from_fork+0x31/0x70
[ 5305.955775][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5305.955775][   T10] 
[ 5305.957683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.957683][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.957683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.957683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.957683][   T10]      ip6_route_add+0x1c/0x140
[ 5305.957683][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5305.957683][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5305.957683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.957683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.957683][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.957683][   T10]      netlink_unicast+0x449/0x710
[ 5305.957683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.957683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.957683][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.957683][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.957683][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.957683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.957683][   T10] 
[ 5305.959701][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.959701][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.959701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.959701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.959701][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5305.959701][   T10]      ipv6_add_addr+0x411/0x2000
[ 5305.959701][   T10]      inet6_addr_add+0x30e/0xa40
[ 5305.959701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.959701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.959701][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.959701][   T10]      netlink_unicast+0x449/0x710
[ 5305.959701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.959701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.959701][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.959701][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.959701][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.959701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.959701][   T10] 
[ 5305.961724][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.961724][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.961724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.961724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.961724][   T10]      ip6_route_add+0x1c/0x140
[ 5305.961724][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5305.961724][   T10]      addrconf_add_dev+0xe2/0x170
[ 5305.961724][   T10]      inet6_addr_add+0x12f/0xa40
[ 5305.961724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.961724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.961724][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.961724][   T10]      netlink_unicast+0x449/0x710
[ 5305.961724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.961724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.961724][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.961724][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.961724][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.961724][   T10] 
[ 5305.963868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.963868][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5305.963868][   T10]      ipv6_find_idev+0x102/0x170
[ 5305.963868][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5305.963868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.963868][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.963868][   T10]      netlink_unicast+0x449/0x710
[ 5305.963868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.963868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.963868][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.963868][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.963868][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.963868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.963868][   T10] 
[ 5305.965648][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5305.965648][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5305.965648][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5305.965648][   T10]      ipv6_find_idev+0x102/0x170
[ 5305.965648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5305.965648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.965648][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.965648][   T10]      netlink_unicast+0x449/0x710
[ 5305.965648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.965648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.965648][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.965648][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.965648][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.965648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.965648][   T10] 
[ 5305.967565][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5305.967886][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5305.967886][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.967886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.967886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.967886][   T10]      ip6_route_add+0x1c/0x140
[ 5305.967886][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5305.967886][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5305.967886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.967886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.967886][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.967886][   T10]      netlink_unicast+0x449/0x710
[ 5305.967886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.967886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.967886][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.967886][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.967886][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.967886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.967886][   T10] 
[ 5305.970064][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5305.970064][   T10]      netdev_get_by_index+0x5e/0x80
[ 5305.970064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5305.970064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5305.970064][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5305.970064][   T10]      ipv6_add_addr+0x411/0x2000
[ 5305.970064][   T10]      inet6_addr_add+0x30e/0xa40
[ 5305.970064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5305.970064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.970064][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.970064][   T10]      netlink_unicast+0x449/0x710
[ 5305.970064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.970064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.970064][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.970064][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.970064][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.970064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.970064][   T10] 
[ 5305.972337][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5305.972337][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5305.972337][   T10]      ipv6_find_idev+0x102/0x170
[ 5305.972337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5305.972337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.972337][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.972337][   T10]      netlink_unicast+0x449/0x710
[ 5305.972337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.972337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.972337][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.972337][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.972337][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.972337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.972337][   T10] 
[ 5305.974107][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5305.974107][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5305.974107][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5305.974107][   T10]      ipv6_find_idev+0x102/0x170
[ 5305.974107][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5305.974107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5305.974107][   T10]      netlink_rcv_skb+0x130/0x360
[ 5305.974107][   T10]      netlink_unicast+0x449/0x710
[ 5305.974107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5305.974107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5305.974107][   T10]      ___sys_sendmsg+0xee/0x170
[ 5305.974107][   T10]      __sys_sendmsg+0xcd/0x170
[ 5305.974107][   T10]      do_syscall_64+0xc6/0x1e0
[ 5305.974107][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5305.974107][   T10] 
[ 5316.216675][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5316.217174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.217174][   T10]      dst_init+0x84/0x4a0
[ 5316.217174][   T10]      dst_alloc+0x97/0x150
[ 5316.217174][   T10]      ip6_dst_alloc+0x23/0x90
[ 5316.217174][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5316.217174][   T10]      ip6_pol_route+0x56f/0x840
[ 5316.217174][   T10]      fib6_rule_lookup+0x456/0x630
[ 5316.217174][   T10]      ip6_route_input+0x59c/0xa50
[ 5316.217174][   T10]      ipv6_rcv+0x397/0x810
[ 5316.217174][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5316.217174][   T10]      process_backlog+0x101/0x620
[ 5316.217174][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5316.217174][   T10]      net_rx_action+0x495/0xbe0
[ 5316.217174][   T10]      __do_softirq+0x1b5/0x7f6
[ 5316.217174][   T10] 
[ 5316.218857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.218857][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5316.218857][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5316.218857][   T10]      fib6_nh_init+0xa22/0x1580
[ 5316.218857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.218857][   T10]      ip6_route_add+0x1c/0x140
[ 5316.218857][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5316.218857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.218857][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.218857][   T10]      netlink_unicast+0x449/0x710
[ 5316.218857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.218857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.218857][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.218857][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.218857][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.218857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.218857][   T10] 
[ 5316.220780][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.220780][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.220780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.220780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.220780][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5316.220780][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5316.220780][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5316.220780][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5316.220780][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5316.220780][   T10]      addrconf_dad_begin+0x310/0x670
[ 5316.220780][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5316.220780][   T10]      process_one_work+0x84d/0x18a0
[ 5316.220780][   T10]      worker_thread+0x587/0xd30
[ 5316.220780][   T10]      kthread+0x28a/0x350
[ 5316.220780][   T10]      ret_from_fork+0x31/0x70
[ 5316.220780][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5316.220780][   T10] 
[ 5316.222714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.222714][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.222714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.222714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.222714][   T10]      ip6_route_add+0x1c/0x140
[ 5316.222714][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5316.222714][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5316.222714][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.222714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.222714][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.222714][   T10]      netlink_unicast+0x449/0x710
[ 5316.222714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.222714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.222714][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.222714][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.222714][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.222714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.222714][   T10] 
[ 5316.224712][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.224712][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.224712][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.224712][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.224712][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5316.224712][   T10]      ipv6_add_addr+0x411/0x2000
[ 5316.224712][   T10]      inet6_addr_add+0x30e/0xa40
[ 5316.224712][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.224712][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.224712][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.224712][   T10]      netlink_unicast+0x449/0x710
[ 5316.224712][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.224712][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.224712][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.224712][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.224712][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.224712][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.224712][   T10] 
[ 5316.226715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.226715][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.226715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.226715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.226715][   T10]      ip6_route_add+0x1c/0x140
[ 5316.226715][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5316.226715][   T10]      addrconf_add_dev+0xe2/0x170
[ 5316.226715][   T10]      inet6_addr_add+0x12f/0xa40
[ 5316.226715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.226715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.226715][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.226715][   T10]      netlink_unicast+0x449/0x710
[ 5316.226715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.226715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.226715][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.226715][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.226715][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.226715][   T10] 
[ 5316.228698][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.228698][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5316.228698][   T10]      ipv6_find_idev+0x102/0x170
[ 5316.228698][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5316.228698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.228698][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.228698][   T10]      netlink_unicast+0x449/0x710
[ 5316.228698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.228698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.228698][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.228698][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.228698][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.228698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.228698][   T10] 
[ 5316.230235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5316.230235][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5316.230235][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5316.230235][   T10]      ipv6_find_idev+0x102/0x170
[ 5316.230235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5316.230235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.230235][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.230235][   T10]      netlink_unicast+0x449/0x710
[ 5316.230235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.230235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.230235][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.230235][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.230235][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.230235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.230235][   T10] 
[ 5316.231948][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5316.232188][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.232188][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5316.232188][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5316.232188][   T10]      fib6_nh_init+0xa22/0x1580
[ 5316.232188][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.232188][   T10]      ip6_route_add+0x1c/0x140
[ 5316.232188][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5316.232188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.232188][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.232188][   T10]      netlink_unicast+0x449/0x710
[ 5316.232188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.232188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.232188][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.232188][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.232188][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.232188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.232188][   T10] 
[ 5316.234116][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.234116][   T10]      dst_init+0x84/0x4a0
[ 5316.234116][   T10]      dst_alloc+0x97/0x150
[ 5316.234116][   T10]      ip6_dst_alloc+0x23/0x90
[ 5316.234116][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5316.234116][   T10]      ip6_pol_route+0x56f/0x840
[ 5316.234116][   T10]      fib6_rule_lookup+0x456/0x630
[ 5316.234116][   T10]      ip6_route_input+0x59c/0xa50
[ 5316.234116][   T10]      ipv6_rcv+0x397/0x810
[ 5316.234116][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5316.234116][   T10]      process_backlog+0x101/0x620
[ 5316.234116][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5316.234116][   T10]      net_rx_action+0x495/0xbe0
[ 5316.234116][   T10]      __do_softirq+0x1b5/0x7f6
[ 5316.234116][   T10] 
[ 5316.235749][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.235749][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.235749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.235749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.235749][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5316.235749][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5316.235749][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5316.235749][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5316.235749][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5316.235749][   T10]      addrconf_dad_begin+0x310/0x670
[ 5316.235749][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5316.235749][   T10]      process_one_work+0x84d/0x18a0
[ 5316.235749][   T10]      worker_thread+0x587/0xd30
[ 5316.235749][   T10]      kthread+0x28a/0x350
[ 5316.235749][   T10]      ret_from_fork+0x31/0x70
[ 5316.235749][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5316.235749][   T10] 
[ 5316.237671][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.237671][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.237671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.237671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.237671][   T10]      ip6_route_add+0x1c/0x140
[ 5316.237671][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5316.237671][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5316.237671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.237671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.237671][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.237671][   T10]      netlink_unicast+0x449/0x710
[ 5316.237671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.237671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.237671][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.237671][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.237671][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.237671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.237671][   T10] 
[ 5316.239683][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.239683][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.239683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.239683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.239683][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5316.239683][   T10]      ipv6_add_addr+0x411/0x2000
[ 5316.239683][   T10]      inet6_addr_add+0x30e/0xa40
[ 5316.239683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.239683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.239683][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.239683][   T10]      netlink_unicast+0x449/0x710
[ 5316.239683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.239683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.239683][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.239683][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.239683][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.239683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.239683][   T10] 
[ 5316.241699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.241699][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.241699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.241699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.241699][   T10]      ip6_route_add+0x1c/0x140
[ 5316.241699][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5316.241699][   T10]      addrconf_add_dev+0xe2/0x170
[ 5316.241699][   T10]      inet6_addr_add+0x12f/0xa40
[ 5316.241699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.241699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.241699][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.241699][   T10]      netlink_unicast+0x449/0x710
[ 5316.241699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.241699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.241699][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.241699][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.241699][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.241699][   T10] 
[ 5316.243801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.243801][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5316.243801][   T10]      ipv6_find_idev+0x102/0x170
[ 5316.243801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5316.243801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.243801][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.243801][   T10]      netlink_unicast+0x449/0x710
[ 5316.243801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.243801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.243801][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.243801][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.243801][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.243801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.243801][   T10] 
[ 5316.245539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5316.245539][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5316.245539][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5316.245539][   T10]      ipv6_find_idev+0x102/0x170
[ 5316.245539][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5316.245539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.245539][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.245539][   T10]      netlink_unicast+0x449/0x710
[ 5316.245539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.245539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.245539][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.245539][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.245539][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.245539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.245539][   T10] 
[ 5316.247465][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5316.247779][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5316.247779][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.247779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.247779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.247779][   T10]      ip6_route_add+0x1c/0x140
[ 5316.247779][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5316.247779][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5316.247779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.247779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.247779][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.247779][   T10]      netlink_unicast+0x449/0x710
[ 5316.247779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.247779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.247779][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.247779][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.247779][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.247779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.247779][   T10] 
[ 5316.249972][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5316.249972][   T10]      netdev_get_by_index+0x5e/0x80
[ 5316.249972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5316.249972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5316.249972][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5316.249972][   T10]      ipv6_add_addr+0x411/0x2000
[ 5316.249972][   T10]      inet6_addr_add+0x30e/0xa40
[ 5316.249972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5316.249972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.249972][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.249972][   T10]      netlink_unicast+0x449/0x710
[ 5316.249972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.249972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.249972][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.249972][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.249972][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.249972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.249972][   T10] 
[ 5316.252157][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5316.252157][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5316.252157][   T10]      ipv6_find_idev+0x102/0x170
[ 5316.252157][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5316.252157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.252157][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.252157][   T10]      netlink_unicast+0x449/0x710
[ 5316.252157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.252157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.252157][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.252157][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.252157][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.252157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.252157][   T10] 
[ 5316.253872][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5316.253872][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5316.253872][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5316.253872][   T10]      ipv6_find_idev+0x102/0x170
[ 5316.253872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5316.253872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5316.253872][   T10]      netlink_rcv_skb+0x130/0x360
[ 5316.253872][   T10]      netlink_unicast+0x449/0x710
[ 5316.253872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5316.253872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5316.253872][   T10]      ___sys_sendmsg+0xee/0x170
[ 5316.253872][   T10]      __sys_sendmsg+0xcd/0x170
[ 5316.253872][   T10]      do_syscall_64+0xc6/0x1e0
[ 5316.253872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5316.253872][   T10] 
[ 5326.496709][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5326.497146][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.497146][   T10]      dst_init+0x84/0x4a0
[ 5326.497146][   T10]      dst_alloc+0x97/0x150
[ 5326.497146][   T10]      ip6_dst_alloc+0x23/0x90
[ 5326.497146][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5326.497146][   T10]      ip6_pol_route+0x56f/0x840
[ 5326.497146][   T10]      fib6_rule_lookup+0x456/0x630
[ 5326.497146][   T10]      ip6_route_input+0x59c/0xa50
[ 5326.497146][   T10]      ipv6_rcv+0x397/0x810
[ 5326.497146][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5326.497146][   T10]      process_backlog+0x101/0x620
[ 5326.497146][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5326.497146][   T10]      net_rx_action+0x495/0xbe0
[ 5326.497146][   T10]      __do_softirq+0x1b5/0x7f6
[ 5326.497146][   T10] 
[ 5326.498834][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.498834][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5326.498834][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5326.498834][   T10]      fib6_nh_init+0xa22/0x1580
[ 5326.498834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.498834][   T10]      ip6_route_add+0x1c/0x140
[ 5326.498834][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5326.498834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.498834][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.498834][   T10]      netlink_unicast+0x449/0x710
[ 5326.498834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.498834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.498834][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.498834][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.498834][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.498834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.498834][   T10] 
[ 5326.500724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.500724][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.500724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.500724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.500724][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5326.500724][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5326.500724][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5326.500724][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5326.500724][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5326.500724][   T10]      addrconf_dad_begin+0x310/0x670
[ 5326.500724][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5326.500724][   T10]      process_one_work+0x84d/0x18a0
[ 5326.500724][   T10]      worker_thread+0x587/0xd30
[ 5326.500724][   T10]      kthread+0x28a/0x350
[ 5326.500724][   T10]      ret_from_fork+0x31/0x70
[ 5326.500724][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5326.500724][   T10] 
[ 5326.502639][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.502639][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.502639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.502639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.502639][   T10]      ip6_route_add+0x1c/0x140
[ 5326.502639][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5326.502639][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5326.502639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.502639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.502639][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.502639][   T10]      netlink_unicast+0x449/0x710
[ 5326.502639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.502639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.502639][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.502639][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.502639][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.502639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.502639][   T10] 
[ 5326.504663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.504663][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.504663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.504663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.504663][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5326.504663][   T10]      ipv6_add_addr+0x411/0x2000
[ 5326.504663][   T10]      inet6_addr_add+0x30e/0xa40
[ 5326.504663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.504663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.504663][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.504663][   T10]      netlink_unicast+0x449/0x710
[ 5326.504663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.504663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.504663][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.504663][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.504663][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.504663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.504663][   T10] 
[ 5326.506663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.506663][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.506663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.506663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.506663][   T10]      ip6_route_add+0x1c/0x140
[ 5326.506663][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5326.506663][   T10]      addrconf_add_dev+0xe2/0x170
[ 5326.506663][   T10]      inet6_addr_add+0x12f/0xa40
[ 5326.506663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.506663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.506663][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.506663][   T10]      netlink_unicast+0x449/0x710
[ 5326.506663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.506663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.506663][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.506663][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.506663][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.506663][   T10] 
[ 5326.508627][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.508627][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5326.508627][   T10]      ipv6_find_idev+0x102/0x170
[ 5326.508627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5326.508627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.508627][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.508627][   T10]      netlink_unicast+0x449/0x710
[ 5326.508627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.508627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.508627][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.508627][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.508627][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.508627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.508627][   T10] 
[ 5326.510167][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5326.510167][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5326.510167][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5326.510167][   T10]      ipv6_find_idev+0x102/0x170
[ 5326.510167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5326.510167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.510167][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.510167][   T10]      netlink_unicast+0x449/0x710
[ 5326.510167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.510167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.510167][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.510167][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.510167][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.510167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.510167][   T10] 
[ 5326.511882][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5326.512120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.512120][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5326.512120][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5326.512120][   T10]      fib6_nh_init+0xa22/0x1580
[ 5326.512120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.512120][   T10]      ip6_route_add+0x1c/0x140
[ 5326.512120][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5326.512120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.512120][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.512120][   T10]      netlink_unicast+0x449/0x710
[ 5326.512120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.512120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.512120][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.512120][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.512120][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.512120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.512120][   T10] 
[ 5326.514005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.514005][   T10]      dst_init+0x84/0x4a0
[ 5326.514005][   T10]      dst_alloc+0x97/0x150
[ 5326.514005][   T10]      ip6_dst_alloc+0x23/0x90
[ 5326.514005][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5326.514005][   T10]      ip6_pol_route+0x56f/0x840
[ 5326.514005][   T10]      fib6_rule_lookup+0x456/0x630
[ 5326.514005][   T10]      ip6_route_input+0x59c/0xa50
[ 5326.514005][   T10]      ipv6_rcv+0x397/0x810
[ 5326.514005][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5326.514005][   T10]      process_backlog+0x101/0x620
[ 5326.514005][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5326.514005][   T10]      net_rx_action+0x495/0xbe0
[ 5326.514005][   T10]      __do_softirq+0x1b5/0x7f6
[ 5326.514005][   T10] 
[ 5326.515640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.515640][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.515640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.515640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.515640][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5326.515640][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5326.515640][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5326.515640][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5326.515640][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5326.515640][   T10]      addrconf_dad_begin+0x310/0x670
[ 5326.515640][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5326.515640][   T10]      process_one_work+0x84d/0x18a0
[ 5326.515640][   T10]      worker_thread+0x587/0xd30
[ 5326.515640][   T10]      kthread+0x28a/0x350
[ 5326.515640][   T10]      ret_from_fork+0x31/0x70
[ 5326.515640][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5326.515640][   T10] 
[ 5326.517543][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.517543][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.517543][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.517543][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.517543][   T10]      ip6_route_add+0x1c/0x140
[ 5326.517543][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5326.517543][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5326.517543][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.517543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.517543][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.517543][   T10]      netlink_unicast+0x449/0x710
[ 5326.517543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.517543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.517543][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.517543][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.517543][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.517543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.517543][   T10] 
[ 5326.520142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.520142][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.520142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.520142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.520142][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5326.520142][   T10]      ipv6_add_addr+0x411/0x2000
[ 5326.520142][   T10]      inet6_addr_add+0x30e/0xa40
[ 5326.520142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.520142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.520142][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.520142][   T10]      netlink_unicast+0x449/0x710
[ 5326.520142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.520142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.520142][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.520142][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.520142][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.520142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.520142][   T10] 
[ 5326.522142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.522142][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.522142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.522142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.522142][   T10]      ip6_route_add+0x1c/0x140
[ 5326.522142][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5326.522142][   T10]      addrconf_add_dev+0xe2/0x170
[ 5326.522142][   T10]      inet6_addr_add+0x12f/0xa40
[ 5326.522142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.522142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.522142][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.522142][   T10]      netlink_unicast+0x449/0x710
[ 5326.522142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.522142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.522142][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.522142][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.522142][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.522142][   T10] 
[ 5326.524218][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.524218][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5326.524218][   T10]      ipv6_find_idev+0x102/0x170
[ 5326.524218][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5326.524218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.524218][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.524218][   T10]      netlink_unicast+0x449/0x710
[ 5326.524218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.524218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.524218][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.524218][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.524218][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.524218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.524218][   T10] 
[ 5326.525996][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5326.525996][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5326.525996][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5326.525996][   T10]      ipv6_find_idev+0x102/0x170
[ 5326.525996][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5326.525996][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.525996][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.525996][   T10]      netlink_unicast+0x449/0x710
[ 5326.525996][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.525996][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.525996][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.525996][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.525996][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.525996][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.525996][   T10] 
[ 5326.527858][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5326.528166][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5326.528166][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.528166][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.528166][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.528166][   T10]      ip6_route_add+0x1c/0x140
[ 5326.528166][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5326.528166][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5326.528166][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.528166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.528166][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.528166][   T10]      netlink_unicast+0x449/0x710
[ 5326.528166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.528166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.528166][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.528166][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.528166][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.528166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.528166][   T10] 
[ 5326.530337][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5326.530337][   T10]      netdev_get_by_index+0x5e/0x80
[ 5326.530337][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5326.530337][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5326.530337][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5326.530337][   T10]      ipv6_add_addr+0x411/0x2000
[ 5326.530337][   T10]      inet6_addr_add+0x30e/0xa40
[ 5326.530337][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5326.530337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.530337][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.530337][   T10]      netlink_unicast+0x449/0x710
[ 5326.530337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.530337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.530337][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.530337][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.530337][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.530337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.530337][   T10] 
[ 5326.532514][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5326.532514][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5326.532514][   T10]      ipv6_find_idev+0x102/0x170
[ 5326.532514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5326.532514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.532514][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.532514][   T10]      netlink_unicast+0x449/0x710
[ 5326.532514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.532514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.532514][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.532514][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.532514][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.532514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.532514][   T10] 
[ 5326.534229][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5326.534229][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5326.534229][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5326.534229][   T10]      ipv6_find_idev+0x102/0x170
[ 5326.534229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5326.534229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5326.534229][   T10]      netlink_rcv_skb+0x130/0x360
[ 5326.534229][   T10]      netlink_unicast+0x449/0x710
[ 5326.534229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5326.534229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5326.534229][   T10]      ___sys_sendmsg+0xee/0x170
[ 5326.534229][   T10]      __sys_sendmsg+0xcd/0x170
[ 5326.534229][   T10]      do_syscall_64+0xc6/0x1e0
[ 5326.534229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5326.534229][   T10] 
[ 5336.728745][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5336.729234][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.729234][   T10]      dst_init+0x84/0x4a0
[ 5336.729234][   T10]      dst_alloc+0x97/0x150
[ 5336.729234][   T10]      ip6_dst_alloc+0x23/0x90
[ 5336.729234][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5336.729234][   T10]      ip6_pol_route+0x56f/0x840
[ 5336.729234][   T10]      fib6_rule_lookup+0x456/0x630
[ 5336.729234][   T10]      ip6_route_input+0x59c/0xa50
[ 5336.729234][   T10]      ipv6_rcv+0x397/0x810
[ 5336.729234][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5336.729234][   T10]      process_backlog+0x101/0x620
[ 5336.729234][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5336.729234][   T10]      net_rx_action+0x495/0xbe0
[ 5336.729234][   T10]      __do_softirq+0x1b5/0x7f6
[ 5336.729234][   T10] 
[ 5336.730934][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.730934][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5336.730934][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5336.730934][   T10]      fib6_nh_init+0xa22/0x1580
[ 5336.730934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.730934][   T10]      ip6_route_add+0x1c/0x140
[ 5336.730934][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5336.730934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.730934][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.730934][   T10]      netlink_unicast+0x449/0x710
[ 5336.730934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.730934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.730934][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.730934][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.730934][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.730934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.730934][   T10] 
[ 5336.732863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.732863][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.732863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.732863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.732863][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5336.732863][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5336.732863][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5336.732863][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5336.732863][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5336.732863][   T10]      addrconf_dad_begin+0x310/0x670
[ 5336.732863][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5336.732863][   T10]      process_one_work+0x84d/0x18a0
[ 5336.732863][   T10]      worker_thread+0x587/0xd30
[ 5336.732863][   T10]      kthread+0x28a/0x350
[ 5336.732863][   T10]      ret_from_fork+0x31/0x70
[ 5336.732863][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5336.732863][   T10] 
[ 5336.734806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.734806][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.734806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.734806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.734806][   T10]      ip6_route_add+0x1c/0x140
[ 5336.734806][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5336.734806][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5336.734806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.734806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.734806][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.734806][   T10]      netlink_unicast+0x449/0x710
[ 5336.734806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.734806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.734806][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.734806][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.734806][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.734806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.734806][   T10] 
[ 5336.736829][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.736829][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.736829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.736829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.736829][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5336.736829][   T10]      ipv6_add_addr+0x411/0x2000
[ 5336.736829][   T10]      inet6_addr_add+0x30e/0xa40
[ 5336.736829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.736829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.736829][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.736829][   T10]      netlink_unicast+0x449/0x710
[ 5336.736829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.736829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.736829][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.736829][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.736829][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.736829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.736829][   T10] 
[ 5336.738852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.738852][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.738852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.738852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.738852][   T10]      ip6_route_add+0x1c/0x140
[ 5336.738852][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5336.738852][   T10]      addrconf_add_dev+0xe2/0x170
[ 5336.738852][   T10]      inet6_addr_add+0x12f/0xa40
[ 5336.738852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.738852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.738852][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.738852][   T10]      netlink_unicast+0x449/0x710
[ 5336.738852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.738852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.738852][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.738852][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.738852][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.738852][   T10] 
[ 5336.740833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.740833][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5336.740833][   T10]      ipv6_find_idev+0x102/0x170
[ 5336.740833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5336.740833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.740833][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.740833][   T10]      netlink_unicast+0x449/0x710
[ 5336.740833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.740833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.740833][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.740833][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.740833][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.740833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.740833][   T10] 
[ 5336.742395][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5336.742395][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5336.742395][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5336.742395][   T10]      ipv6_find_idev+0x102/0x170
[ 5336.742395][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5336.742395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.742395][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.742395][   T10]      netlink_unicast+0x449/0x710
[ 5336.742395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.742395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.742395][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.742395][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.742395][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.742395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.742395][   T10] 
[ 5336.744131][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5336.744377][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.744377][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5336.744377][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5336.744377][   T10]      fib6_nh_init+0xa22/0x1580
[ 5336.744377][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.744377][   T10]      ip6_route_add+0x1c/0x140
[ 5336.744377][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5336.744377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.744377][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.744377][   T10]      netlink_unicast+0x449/0x710
[ 5336.744377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.744377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.744377][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.744377][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.744377][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.744377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.744377][   T10] 
[ 5336.746266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.746266][   T10]      dst_init+0x84/0x4a0
[ 5336.746266][   T10]      dst_alloc+0x97/0x150
[ 5336.746266][   T10]      ip6_dst_alloc+0x23/0x90
[ 5336.746266][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5336.746266][   T10]      ip6_pol_route+0x56f/0x840
[ 5336.746266][   T10]      fib6_rule_lookup+0x456/0x630
[ 5336.746266][   T10]      ip6_route_input+0x59c/0xa50
[ 5336.746266][   T10]      ipv6_rcv+0x397/0x810
[ 5336.746266][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5336.746266][   T10]      process_backlog+0x101/0x620
[ 5336.746266][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5336.746266][   T10]      net_rx_action+0x495/0xbe0
[ 5336.746266][   T10]      __do_softirq+0x1b5/0x7f6
[ 5336.746266][   T10] 
[ 5336.747912][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.747912][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.747912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.747912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.747912][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5336.747912][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5336.747912][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5336.747912][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5336.747912][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5336.747912][   T10]      addrconf_dad_begin+0x310/0x670
[ 5336.747912][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5336.747912][   T10]      process_one_work+0x84d/0x18a0
[ 5336.747912][   T10]      worker_thread+0x587/0xd30
[ 5336.747912][   T10]      kthread+0x28a/0x350
[ 5336.747912][   T10]      ret_from_fork+0x31/0x70
[ 5336.747912][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5336.747912][   T10] 
[ 5336.749836][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.749836][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.749836][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.749836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.749836][   T10]      ip6_route_add+0x1c/0x140
[ 5336.749836][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5336.749836][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5336.749836][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.749836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.749836][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.749836][   T10]      netlink_unicast+0x449/0x710
[ 5336.749836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.749836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.749836][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.749836][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.749836][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.749836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.749836][   T10] 
[ 5336.752431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.752431][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.752431][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.752431][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.752431][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5336.752431][   T10]      ipv6_add_addr+0x411/0x2000
[ 5336.752431][   T10]      inet6_addr_add+0x30e/0xa40
[ 5336.752431][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.752431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.752431][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.752431][   T10]      netlink_unicast+0x449/0x710
[ 5336.752431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.752431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.752431][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.752431][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.752431][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.752431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.752431][   T10] 
[ 5336.754442][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.754442][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.754442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.754442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.754442][   T10]      ip6_route_add+0x1c/0x140
[ 5336.754442][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5336.754442][   T10]      addrconf_add_dev+0xe2/0x170
[ 5336.754442][   T10]      inet6_addr_add+0x12f/0xa40
[ 5336.754442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.754442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.754442][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.754442][   T10]      netlink_unicast+0x449/0x710
[ 5336.754442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.754442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.754442][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.754442][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.754442][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.754442][   T10] 
[ 5336.756603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.756603][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5336.756603][   T10]      ipv6_find_idev+0x102/0x170
[ 5336.756603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5336.756603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.756603][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.756603][   T10]      netlink_unicast+0x449/0x710
[ 5336.756603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.756603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.756603][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.756603][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.756603][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.756603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.756603][   T10] 
[ 5336.758341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5336.758341][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5336.758341][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5336.758341][   T10]      ipv6_find_idev+0x102/0x170
[ 5336.758341][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5336.758341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.758341][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.758341][   T10]      netlink_unicast+0x449/0x710
[ 5336.758341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.758341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.758341][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.758341][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.758341][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.758341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.758341][   T10] 
[ 5336.760311][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5336.760561][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5336.760561][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.760561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.760561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.760561][   T10]      ip6_route_add+0x1c/0x140
[ 5336.760561][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5336.760561][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5336.760561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.760561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.760561][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.760561][   T10]      netlink_unicast+0x449/0x710
[ 5336.760561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.760561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.760561][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.760561][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.760561][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.760561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.760561][   T10] 
[ 5336.762853][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5336.762853][   T10]      netdev_get_by_index+0x5e/0x80
[ 5336.762853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5336.762853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5336.762853][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5336.762853][   T10]      ipv6_add_addr+0x411/0x2000
[ 5336.762853][   T10]      inet6_addr_add+0x30e/0xa40
[ 5336.762853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5336.762853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.762853][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.762853][   T10]      netlink_unicast+0x449/0x710
[ 5336.762853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.762853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.762853][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.762853][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.762853][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.762853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.762853][   T10] 
[ 5336.765119][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5336.765119][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5336.765119][   T10]      ipv6_find_idev+0x102/0x170
[ 5336.765119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5336.765119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.765119][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.765119][   T10]      netlink_unicast+0x449/0x710
[ 5336.765119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.765119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.765119][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.765119][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.765119][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.765119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.765119][   T10] 
[ 5336.766848][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5336.766848][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5336.766848][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5336.766848][   T10]      ipv6_find_idev+0x102/0x170
[ 5336.766848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5336.766848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5336.766848][   T10]      netlink_rcv_skb+0x130/0x360
[ 5336.766848][   T10]      netlink_unicast+0x449/0x710
[ 5336.766848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5336.766848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5336.766848][   T10]      ___sys_sendmsg+0xee/0x170
[ 5336.766848][   T10]      __sys_sendmsg+0xcd/0x170
[ 5336.766848][   T10]      do_syscall_64+0xc6/0x1e0
[ 5336.766848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5336.766848][   T10] 
[ 5346.976712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5346.977178][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.977178][   T10]      dst_init+0x84/0x4a0
[ 5346.977178][   T10]      dst_alloc+0x97/0x150
[ 5346.977178][   T10]      ip6_dst_alloc+0x23/0x90
[ 5346.977178][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5346.977178][   T10]      ip6_pol_route+0x56f/0x840
[ 5346.977178][   T10]      fib6_rule_lookup+0x456/0x630
[ 5346.977178][   T10]      ip6_route_input+0x59c/0xa50
[ 5346.977178][   T10]      ipv6_rcv+0x397/0x810
[ 5346.977178][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5346.977178][   T10]      process_backlog+0x101/0x620
[ 5346.977178][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5346.977178][   T10]      net_rx_action+0x495/0xbe0
[ 5346.977178][   T10]      __do_softirq+0x1b5/0x7f6
[ 5346.977178][   T10] 
[ 5346.978885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.978885][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5346.978885][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5346.978885][   T10]      fib6_nh_init+0xa22/0x1580
[ 5346.978885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.978885][   T10]      ip6_route_add+0x1c/0x140
[ 5346.978885][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5346.978885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.978885][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.978885][   T10]      netlink_unicast+0x449/0x710
[ 5346.978885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.978885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.978885][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.978885][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.978885][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.978885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.978885][   T10] 
[ 5346.980800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.980800][   T10]      netdev_get_by_index+0x5e/0x80
[ 5346.980800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5346.980800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.980800][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5346.980800][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5346.980800][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5346.980800][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5346.980800][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5346.980800][   T10]      addrconf_dad_begin+0x310/0x670
[ 5346.980800][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5346.980800][   T10]      process_one_work+0x84d/0x18a0
[ 5346.980800][   T10]      worker_thread+0x587/0xd30
[ 5346.980800][   T10]      kthread+0x28a/0x350
[ 5346.980800][   T10]      ret_from_fork+0x31/0x70
[ 5346.980800][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5346.980800][   T10] 
[ 5346.982757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.982757][   T10]      netdev_get_by_index+0x5e/0x80
[ 5346.982757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5346.982757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.982757][   T10]      ip6_route_add+0x1c/0x140
[ 5346.982757][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5346.982757][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5346.982757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5346.982757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.982757][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.982757][   T10]      netlink_unicast+0x449/0x710
[ 5346.982757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.982757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.982757][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.982757][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.982757][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.982757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.982757][   T10] 
[ 5346.984779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.984779][   T10]      netdev_get_by_index+0x5e/0x80
[ 5346.984779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5346.984779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.984779][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5346.984779][   T10]      ipv6_add_addr+0x411/0x2000
[ 5346.984779][   T10]      inet6_addr_add+0x30e/0xa40
[ 5346.984779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5346.984779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.984779][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.984779][   T10]      netlink_unicast+0x449/0x710
[ 5346.984779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.984779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.984779][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.984779][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.984779][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.984779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.984779][   T10] 
[ 5346.986804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.986804][   T10]      netdev_get_by_index+0x5e/0x80
[ 5346.986804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5346.986804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.986804][   T10]      ip6_route_add+0x1c/0x140
[ 5346.986804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5346.986804][   T10]      addrconf_add_dev+0xe2/0x170
[ 5346.986804][   T10]      inet6_addr_add+0x12f/0xa40
[ 5346.986804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5346.986804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.986804][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.986804][   T10]      netlink_unicast+0x449/0x710
[ 5346.986804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.986804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.986804][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.986804][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.986804][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.986804][   T10] 
[ 5346.988789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.988789][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5346.988789][   T10]      ipv6_find_idev+0x102/0x170
[ 5346.988789][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5346.988789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.988789][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.988789][   T10]      netlink_unicast+0x449/0x710
[ 5346.988789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.988789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.988789][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.988789][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.988789][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.988789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.988789][   T10] 
[ 5346.990358][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5346.990358][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5346.990358][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5346.990358][   T10]      ipv6_find_idev+0x102/0x170
[ 5346.990358][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5346.990358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.990358][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.990358][   T10]      netlink_unicast+0x449/0x710
[ 5346.990358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.990358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.990358][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.990358][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.990358][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.990358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.990358][   T10] 
[ 5346.992098][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5346.992348][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5346.992348][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5346.992348][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5346.992348][   T10]      fib6_nh_init+0xa22/0x1580
[ 5346.992348][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.992348][   T10]      ip6_route_add+0x1c/0x140
[ 5346.992348][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5346.992348][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.992348][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.992348][   T10]      netlink_unicast+0x449/0x710
[ 5346.992348][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.992348][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.992348][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.992348][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.992348][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.992348][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.992348][   T10] 
[ 5346.994258][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5346.994258][   T10]      dst_init+0x84/0x4a0
[ 5346.994258][   T10]      dst_alloc+0x97/0x150
[ 5346.994258][   T10]      ip6_dst_alloc+0x23/0x90
[ 5346.994258][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5346.994258][   T10]      ip6_pol_route+0x56f/0x840
[ 5346.994258][   T10]      fib6_rule_lookup+0x456/0x630
[ 5346.994258][   T10]      ip6_route_input+0x59c/0xa50
[ 5346.994258][   T10]      ipv6_rcv+0x397/0x810
[ 5346.994258][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5346.994258][   T10]      process_backlog+0x101/0x620
[ 5346.994258][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5346.994258][   T10]      net_rx_action+0x495/0xbe0
[ 5346.994258][   T10]      __do_softirq+0x1b5/0x7f6
[ 5346.994258][   T10] 
[ 5346.995907][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5346.995907][   T10]      netdev_get_by_index+0x5e/0x80
[ 5346.995907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5346.995907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.995907][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5346.995907][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5346.995907][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5346.995907][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5346.995907][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5346.995907][   T10]      addrconf_dad_begin+0x310/0x670
[ 5346.995907][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5346.995907][   T10]      process_one_work+0x84d/0x18a0
[ 5346.995907][   T10]      worker_thread+0x587/0xd30
[ 5346.995907][   T10]      kthread+0x28a/0x350
[ 5346.995907][   T10]      ret_from_fork+0x31/0x70
[ 5346.995907][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5346.995907][   T10] 
[ 5346.997842][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5346.997842][   T10]      netdev_get_by_index+0x5e/0x80
[ 5346.997842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5346.997842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.997842][   T10]      ip6_route_add+0x1c/0x140
[ 5346.997842][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5346.997842][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5346.997842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5346.997842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.997842][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.997842][   T10]      netlink_unicast+0x449/0x710
[ 5346.997842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.997842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.997842][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.997842][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.997842][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.997842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.997842][   T10] 
[ 5346.999858][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5346.999858][   T10]      netdev_get_by_index+0x5e/0x80
[ 5346.999858][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5346.999858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5346.999858][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5346.999858][   T10]      ipv6_add_addr+0x411/0x2000
[ 5346.999858][   T10]      inet6_addr_add+0x30e/0xa40
[ 5346.999858][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5346.999858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5346.999858][   T10]      netlink_rcv_skb+0x130/0x360
[ 5346.999858][   T10]      netlink_unicast+0x449/0x710
[ 5346.999858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5346.999858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5346.999858][   T10]      ___sys_sendmsg+0xee/0x170
[ 5346.999858][   T10]      __sys_sendmsg+0xcd/0x170
[ 5346.999858][   T10]      do_syscall_64+0xc6/0x1e0
[ 5346.999858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5346.999858][   T10] 
[ 5347.001906][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5347.001906][   T10]      netdev_get_by_index+0x5e/0x80
[ 5347.001906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5347.001906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5347.001906][   T10]      ip6_route_add+0x1c/0x140
[ 5347.001906][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5347.001906][   T10]      addrconf_add_dev+0xe2/0x170
[ 5347.001906][   T10]      inet6_addr_add+0x12f/0xa40
[ 5347.001906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5347.001906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5347.001906][   T10]      netlink_rcv_skb+0x130/0x360
[ 5347.001906][   T10]      netlink_unicast+0x449/0x710
[ 5347.001906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5347.001906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5347.001906][   T10]      ___sys_sendmsg+0xee/0x170
[ 5347.001906][   T10]      __sys_sendmsg+0xcd/0x170
[ 5347.001906][   T10]      do_syscall_64+0xc6/0x1e0
[ 5347.001906][   T10] 
[ 5347.004095][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5347.004095][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5347.004095][   T10]      ipv6_find_idev+0x102/0x170
[ 5347.004095][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5347.004095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5347.004095][   T10]      netlink_rcv_skb+0x130/0x360
[ 5347.004095][   T10]      netlink_unicast+0x449/0x710
[ 5347.004095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5347.004095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5347.004095][   T10]      ___sys_sendmsg+0xee/0x170
[ 5347.004095][   T10]      __sys_sendmsg+0xcd/0x170
[ 5347.004095][   T10]      do_syscall_64+0xc6/0x1e0
[ 5347.004095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5347.004095][   T10] 
[ 5347.005893][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5347.005893][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5347.005893][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5347.005893][   T10]      ipv6_find_idev+0x102/0x170
[ 5347.005893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5347.005893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5347.005893][   T10]      netlink_rcv_skb+0x130/0x360
[ 5347.005893][   T10]      netlink_unicast+0x449/0x710
[ 5347.005893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5347.005893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5347.005893][   T10]      ___sys_sendmsg+0xee/0x170
[ 5347.005893][   T10]      __sys_sendmsg+0xcd/0x170
[ 5347.005893][   T10]      do_syscall_64+0xc6/0x1e0
[ 5347.005893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5347.005893][   T10] 
[ 5347.007785][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5347.008026][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5347.008026][   T10]      netdev_get_by_index+0x5e/0x80
[ 5347.008026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5347.008026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5347.008026][   T10]      ip6_route_add+0x1c/0x140
[ 5347.008026][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5347.008026][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5347.008026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5347.008026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5347.008026][   T10]      netlink_rcv_skb+0x130/0x360
[ 5347.008026][   T10]      netlink_unicast+0x449/0x710
[ 5347.008026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5347.008026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5347.008026][   T10]      ___sys_sendmsg+0xee/0x170
[ 5347.008026][   T10]      __sys_sendmsg+0xcd/0x170
[ 5347.008026][   T10]      do_syscall_64+0xc6/0x1e0
[ 5347.008026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5347.008026][   T10] 
[ 5347.010311][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5347.010311][   T10]      netdev_get_by_index+0x5e/0x80
[ 5347.010311][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5347.010311][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5347.010311][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5347.010311][   T10]      ipv6_add_addr+0x411/0x2000
[ 5347.010311][   T10]      inet6_addr_add+0x30e/0xa40
[ 5347.010311][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5347.010311][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5347.010311][   T10]      netlink_rcv_skb+0x130/0x360
[ 5347.010311][   T10]      netlink_unicast+0x449/0x710
[ 5347.010311][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5347.010311][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5347.010311][   T10]      ___sys_sendmsg+0xee/0x170
[ 5347.010311][   T10]      __sys_sendmsg+0xcd/0x170
[ 5347.010311][   T10]      do_syscall_64+0xc6/0x1e0
[ 5347.010311][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5347.010311][   T10] 
[ 5347.012570][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5347.012570][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5347.012570][   T10]      ipv6_find_idev+0x102/0x170
[ 5347.012570][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5347.012570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5347.012570][   T10]      netlink_rcv_skb+0x130/0x360
[ 5347.012570][   T10]      netlink_unicast+0x449/0x710
[ 5347.012570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5347.012570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5347.012570][   T10]      ___sys_sendmsg+0xee/0x170
[ 5347.012570][   T10]      __sys_sendmsg+0xcd/0x170
[ 5347.012570][   T10]      do_syscall_64+0xc6/0x1e0
[ 5347.012570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5347.012570][   T10] 
[ 5347.014371][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5347.014371][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5347.014371][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5347.014371][   T10]      ipv6_find_idev+0x102/0x170
[ 5347.014371][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5347.014371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5347.014371][   T10]      netlink_rcv_skb+0x130/0x360
[ 5347.014371][   T10]      netlink_unicast+0x449/0x710
[ 5347.014371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5347.014371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5347.014371][   T10]      ___sys_sendmsg+0xee/0x170
[ 5347.014371][   T10]      __sys_sendmsg+0xcd/0x170
[ 5347.014371][   T10]      do_syscall_64+0xc6/0x1e0
[ 5347.014371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5347.014371][   T10] 
[ 5357.144748][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5357.145174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.145174][   T10]      dst_init+0x84/0x4a0
[ 5357.145174][   T10]      dst_alloc+0x97/0x150
[ 5357.145174][   T10]      ip6_dst_alloc+0x23/0x90
[ 5357.145174][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5357.145174][   T10]      ip6_pol_route+0x56f/0x840
[ 5357.145174][   T10]      fib6_rule_lookup+0x456/0x630
[ 5357.145174][   T10]      ip6_route_input+0x59c/0xa50
[ 5357.145174][   T10]      ipv6_rcv+0x397/0x810
[ 5357.145174][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5357.145174][   T10]      process_backlog+0x101/0x620
[ 5357.145174][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5357.145174][   T10]      net_rx_action+0x495/0xbe0
[ 5357.145174][   T10]      __do_softirq+0x1b5/0x7f6
[ 5357.145174][   T10] 
[ 5357.146871][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.146871][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5357.146871][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5357.146871][   T10]      fib6_nh_init+0xa22/0x1580
[ 5357.146871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.146871][   T10]      ip6_route_add+0x1c/0x140
[ 5357.146871][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5357.146871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.146871][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.146871][   T10]      netlink_unicast+0x449/0x710
[ 5357.146871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.146871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.146871][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.146871][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.146871][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.146871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.146871][   T10] 
[ 5357.148810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.148810][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.148810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.148810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.148810][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5357.148810][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5357.148810][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5357.148810][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5357.148810][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5357.148810][   T10]      addrconf_dad_begin+0x310/0x670
[ 5357.148810][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5357.148810][   T10]      process_one_work+0x84d/0x18a0
[ 5357.148810][   T10]      worker_thread+0x587/0xd30
[ 5357.148810][   T10]      kthread+0x28a/0x350
[ 5357.148810][   T10]      ret_from_fork+0x31/0x70
[ 5357.148810][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5357.148810][   T10] 
[ 5357.150777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.150777][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.150777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.150777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.150777][   T10]      ip6_route_add+0x1c/0x140
[ 5357.150777][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5357.150777][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5357.150777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.150777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.150777][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.150777][   T10]      netlink_unicast+0x449/0x710
[ 5357.150777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.150777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.150777][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.150777][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.150777][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.150777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.150777][   T10] 
[ 5357.152816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.152816][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.152816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.152816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.152816][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5357.152816][   T10]      ipv6_add_addr+0x411/0x2000
[ 5357.152816][   T10]      inet6_addr_add+0x30e/0xa40
[ 5357.152816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.152816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.152816][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.152816][   T10]      netlink_unicast+0x449/0x710
[ 5357.152816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.152816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.152816][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.152816][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.152816][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.152816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.152816][   T10] 
[ 5357.154840][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.154840][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.154840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.154840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.154840][   T10]      ip6_route_add+0x1c/0x140
[ 5357.154840][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5357.154840][   T10]      addrconf_add_dev+0xe2/0x170
[ 5357.154840][   T10]      inet6_addr_add+0x12f/0xa40
[ 5357.154840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.154840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.154840][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.154840][   T10]      netlink_unicast+0x449/0x710
[ 5357.154840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.154840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.154840][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.154840][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.154840][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.154840][   T10] 
[ 5357.156824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.156824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5357.156824][   T10]      ipv6_find_idev+0x102/0x170
[ 5357.156824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5357.156824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.156824][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.156824][   T10]      netlink_unicast+0x449/0x710
[ 5357.156824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.156824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.156824][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.156824][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.156824][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.156824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.156824][   T10] 
[ 5357.158385][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5357.158385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5357.158385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5357.158385][   T10]      ipv6_find_idev+0x102/0x170
[ 5357.158385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5357.158385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.158385][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.158385][   T10]      netlink_unicast+0x449/0x710
[ 5357.158385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.158385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.158385][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.158385][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.158385][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.158385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.158385][   T10] 
[ 5357.160124][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5357.160375][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.160375][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5357.160375][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5357.160375][   T10]      fib6_nh_init+0xa22/0x1580
[ 5357.160375][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.160375][   T10]      ip6_route_add+0x1c/0x140
[ 5357.160375][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5357.160375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.160375][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.160375][   T10]      netlink_unicast+0x449/0x710
[ 5357.160375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.160375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.160375][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.160375][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.160375][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.160375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.160375][   T10] 
[ 5357.162277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.162277][   T10]      dst_init+0x84/0x4a0
[ 5357.162277][   T10]      dst_alloc+0x97/0x150
[ 5357.162277][   T10]      ip6_dst_alloc+0x23/0x90
[ 5357.162277][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5357.162277][   T10]      ip6_pol_route+0x56f/0x840
[ 5357.162277][   T10]      fib6_rule_lookup+0x456/0x630
[ 5357.162277][   T10]      ip6_route_input+0x59c/0xa50
[ 5357.162277][   T10]      ipv6_rcv+0x397/0x810
[ 5357.162277][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5357.162277][   T10]      process_backlog+0x101/0x620
[ 5357.162277][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5357.162277][   T10]      net_rx_action+0x495/0xbe0
[ 5357.162277][   T10]      __do_softirq+0x1b5/0x7f6
[ 5357.162277][   T10] 
[ 5357.163926][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.163926][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.163926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.163926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.163926][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5357.163926][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5357.163926][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5357.163926][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5357.163926][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5357.163926][   T10]      addrconf_dad_begin+0x310/0x670
[ 5357.163926][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5357.163926][   T10]      process_one_work+0x84d/0x18a0
[ 5357.163926][   T10]      worker_thread+0x587/0xd30
[ 5357.163926][   T10]      kthread+0x28a/0x350
[ 5357.163926][   T10]      ret_from_fork+0x31/0x70
[ 5357.163926][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5357.163926][   T10] 
[ 5357.165844][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.165844][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.165844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.165844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.165844][   T10]      ip6_route_add+0x1c/0x140
[ 5357.165844][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5357.165844][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5357.165844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.165844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.165844][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.165844][   T10]      netlink_unicast+0x449/0x710
[ 5357.165844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.165844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.165844][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.165844][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.165844][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.165844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.165844][   T10] 
[ 5357.167872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.167872][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.167872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.167872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.167872][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5357.167872][   T10]      ipv6_add_addr+0x411/0x2000
[ 5357.167872][   T10]      inet6_addr_add+0x30e/0xa40
[ 5357.167872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.167872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.167872][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.167872][   T10]      netlink_unicast+0x449/0x710
[ 5357.167872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.167872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.167872][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.167872][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.167872][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.167872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.167872][   T10] 
[ 5357.169882][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.169882][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.169882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.169882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.169882][   T10]      ip6_route_add+0x1c/0x140
[ 5357.169882][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5357.169882][   T10]      addrconf_add_dev+0xe2/0x170
[ 5357.169882][   T10]      inet6_addr_add+0x12f/0xa40
[ 5357.169882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.169882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.169882][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.169882][   T10]      netlink_unicast+0x449/0x710
[ 5357.169882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.169882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.169882][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.169882][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.169882][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.169882][   T10] 
[ 5357.172074][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.172074][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5357.172074][   T10]      ipv6_find_idev+0x102/0x170
[ 5357.172074][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5357.172074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.172074][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.172074][   T10]      netlink_unicast+0x449/0x710
[ 5357.172074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.172074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.172074][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.172074][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.172074][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.172074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.172074][   T10] 
[ 5357.173805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5357.173805][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5357.173805][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5357.173805][   T10]      ipv6_find_idev+0x102/0x170
[ 5357.173805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5357.173805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.173805][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.173805][   T10]      netlink_unicast+0x449/0x710
[ 5357.173805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.173805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.173805][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.173805][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.173805][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.173805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.173805][   T10] 
[ 5357.175762][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5357.176006][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5357.176006][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.176006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.176006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.176006][   T10]      ip6_route_add+0x1c/0x140
[ 5357.176006][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5357.176006][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5357.176006][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.176006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.176006][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.176006][   T10]      netlink_unicast+0x449/0x710
[ 5357.176006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.176006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.176006][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.176006][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.176006][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.176006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.176006][   T10] 
[ 5357.178266][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5357.178266][   T10]      netdev_get_by_index+0x5e/0x80
[ 5357.178266][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5357.178266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5357.178266][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5357.178266][   T10]      ipv6_add_addr+0x411/0x2000
[ 5357.178266][   T10]      inet6_addr_add+0x30e/0xa40
[ 5357.178266][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5357.178266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.178266][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.178266][   T10]      netlink_unicast+0x449/0x710
[ 5357.178266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.178266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.178266][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.178266][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.178266][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.178266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.178266][   T10] 
[ 5357.180519][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5357.180519][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5357.180519][   T10]      ipv6_find_idev+0x102/0x170
[ 5357.180519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5357.180519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.180519][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.180519][   T10]      netlink_unicast+0x449/0x710
[ 5357.180519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.180519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.180519][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.180519][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.180519][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.180519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.180519][   T10] 
[ 5357.182260][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5357.182260][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5357.182260][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5357.182260][   T10]      ipv6_find_idev+0x102/0x170
[ 5357.182260][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5357.182260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5357.182260][   T10]      netlink_rcv_skb+0x130/0x360
[ 5357.182260][   T10]      netlink_unicast+0x449/0x710
[ 5357.182260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5357.182260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5357.182260][   T10]      ___sys_sendmsg+0xee/0x170
[ 5357.182260][   T10]      __sys_sendmsg+0xcd/0x170
[ 5357.182260][   T10]      do_syscall_64+0xc6/0x1e0
[ 5357.182260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5357.182260][   T10] 
[ 5367.352695][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5367.353109][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.353109][   T10]      dst_init+0x84/0x4a0
[ 5367.353109][   T10]      dst_alloc+0x97/0x150
[ 5367.353109][   T10]      ip6_dst_alloc+0x23/0x90
[ 5367.353109][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5367.353109][   T10]      ip6_pol_route+0x56f/0x840
[ 5367.353109][   T10]      fib6_rule_lookup+0x456/0x630
[ 5367.353109][   T10]      ip6_route_input+0x59c/0xa50
[ 5367.353109][   T10]      ipv6_rcv+0x397/0x810
[ 5367.353109][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5367.353109][   T10]      process_backlog+0x101/0x620
[ 5367.353109][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5367.353109][   T10]      net_rx_action+0x495/0xbe0
[ 5367.353109][   T10]      __do_softirq+0x1b5/0x7f6
[ 5367.353109][   T10] 
[ 5367.354811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.354811][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5367.354811][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5367.354811][   T10]      fib6_nh_init+0xa22/0x1580
[ 5367.354811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.354811][   T10]      ip6_route_add+0x1c/0x140
[ 5367.354811][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5367.354811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.354811][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.354811][   T10]      netlink_unicast+0x449/0x710
[ 5367.354811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.354811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.354811][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.354811][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.354811][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.354811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.354811][   T10] 
[ 5367.356718][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.356718][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.356718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.356718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.356718][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5367.356718][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5367.356718][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5367.356718][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5367.356718][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5367.356718][   T10]      addrconf_dad_begin+0x310/0x670
[ 5367.356718][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5367.356718][   T10]      process_one_work+0x84d/0x18a0
[ 5367.356718][   T10]      worker_thread+0x587/0xd30
[ 5367.356718][   T10]      kthread+0x28a/0x350
[ 5367.356718][   T10]      ret_from_fork+0x31/0x70
[ 5367.356718][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5367.356718][   T10] 
[ 5367.358654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.358654][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.358654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.358654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.358654][   T10]      ip6_route_add+0x1c/0x140
[ 5367.358654][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5367.358654][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5367.358654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.358654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.358654][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.358654][   T10]      netlink_unicast+0x449/0x710
[ 5367.358654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.358654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.358654][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.358654][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.358654][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.358654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.358654][   T10] 
[ 5367.360669][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.360669][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.360669][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.360669][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.360669][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5367.360669][   T10]      ipv6_add_addr+0x411/0x2000
[ 5367.360669][   T10]      inet6_addr_add+0x30e/0xa40
[ 5367.360669][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.360669][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.360669][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.360669][   T10]      netlink_unicast+0x449/0x710
[ 5367.360669][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.360669][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.360669][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.360669][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.360669][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.360669][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.360669][   T10] 
[ 5367.362702][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.362702][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.362702][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.362702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.362702][   T10]      ip6_route_add+0x1c/0x140
[ 5367.362702][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5367.362702][   T10]      addrconf_add_dev+0xe2/0x170
[ 5367.362702][   T10]      inet6_addr_add+0x12f/0xa40
[ 5367.362702][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.362702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.362702][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.362702][   T10]      netlink_unicast+0x449/0x710
[ 5367.362702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.362702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.362702][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.362702][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.362702][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.362702][   T10] 
[ 5367.364714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.364714][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5367.364714][   T10]      ipv6_find_idev+0x102/0x170
[ 5367.364714][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5367.364714][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.364714][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.364714][   T10]      netlink_unicast+0x449/0x710
[ 5367.364714][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.364714][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.364714][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.364714][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.364714][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.364714][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.364714][   T10] 
[ 5367.366287][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5367.366287][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5367.366287][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5367.366287][   T10]      ipv6_find_idev+0x102/0x170
[ 5367.366287][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5367.366287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.366287][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.366287][   T10]      netlink_unicast+0x449/0x710
[ 5367.366287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.366287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.366287][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.366287][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.366287][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.366287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.366287][   T10] 
[ 5367.368023][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5367.368277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.368277][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5367.368277][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5367.368277][   T10]      fib6_nh_init+0xa22/0x1580
[ 5367.368277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.368277][   T10]      ip6_route_add+0x1c/0x140
[ 5367.368277][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5367.368277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.368277][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.368277][   T10]      netlink_unicast+0x449/0x710
[ 5367.368277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.368277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.368277][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.368277][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.368277][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.368277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.368277][   T10] 
[ 5367.370177][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.370177][   T10]      dst_init+0x84/0x4a0
[ 5367.370177][   T10]      dst_alloc+0x97/0x150
[ 5367.370177][   T10]      ip6_dst_alloc+0x23/0x90
[ 5367.370177][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5367.370177][   T10]      ip6_pol_route+0x56f/0x840
[ 5367.370177][   T10]      fib6_rule_lookup+0x456/0x630
[ 5367.370177][   T10]      ip6_route_input+0x59c/0xa50
[ 5367.370177][   T10]      ipv6_rcv+0x397/0x810
[ 5367.370177][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5367.370177][   T10]      process_backlog+0x101/0x620
[ 5367.370177][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5367.370177][   T10]      net_rx_action+0x495/0xbe0
[ 5367.370177][   T10]      __do_softirq+0x1b5/0x7f6
[ 5367.370177][   T10] 
[ 5367.371830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.371830][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.371830][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.371830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.371830][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5367.371830][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5367.371830][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5367.371830][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5367.371830][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5367.371830][   T10]      addrconf_dad_begin+0x310/0x670
[ 5367.371830][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5367.371830][   T10]      process_one_work+0x84d/0x18a0
[ 5367.371830][   T10]      worker_thread+0x587/0xd30
[ 5367.371830][   T10]      kthread+0x28a/0x350
[ 5367.371830][   T10]      ret_from_fork+0x31/0x70
[ 5367.371830][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5367.371830][   T10] 
[ 5367.373755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.373755][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.373755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.373755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.373755][   T10]      ip6_route_add+0x1c/0x140
[ 5367.373755][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5367.373755][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5367.373755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.373755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.373755][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.373755][   T10]      netlink_unicast+0x449/0x710
[ 5367.373755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.373755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.373755][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.373755][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.373755][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.373755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.373755][   T10] 
[ 5367.375777][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.375777][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.375777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.375777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.375777][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5367.375777][   T10]      ipv6_add_addr+0x411/0x2000
[ 5367.375777][   T10]      inet6_addr_add+0x30e/0xa40
[ 5367.375777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.375777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.375777][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.375777][   T10]      netlink_unicast+0x449/0x710
[ 5367.375777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.375777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.375777][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.375777][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.375777][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.375777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.375777][   T10] 
[ 5367.377798][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.377798][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.377798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.377798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.377798][   T10]      ip6_route_add+0x1c/0x140
[ 5367.377798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5367.377798][   T10]      addrconf_add_dev+0xe2/0x170
[ 5367.377798][   T10]      inet6_addr_add+0x12f/0xa40
[ 5367.377798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.377798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.377798][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.377798][   T10]      netlink_unicast+0x449/0x710
[ 5367.377798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.377798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.377798][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.377798][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.377798][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.377798][   T10] 
[ 5367.379969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.379969][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5367.379969][   T10]      ipv6_find_idev+0x102/0x170
[ 5367.379969][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5367.379969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.379969][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.379969][   T10]      netlink_unicast+0x449/0x710
[ 5367.379969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.379969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.379969][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.379969][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.379969][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.379969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.379969][   T10] 
[ 5367.381946][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5367.381946][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5367.381946][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5367.381946][   T10]      ipv6_find_idev+0x102/0x170
[ 5367.381946][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5367.381946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.381946][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.381946][   T10]      netlink_unicast+0x449/0x710
[ 5367.381946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.381946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.381946][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.381946][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.381946][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.381946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.381946][   T10] 
[ 5367.383850][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5367.384091][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5367.384091][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.384091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.384091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.384091][   T10]      ip6_route_add+0x1c/0x140
[ 5367.384091][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5367.384091][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5367.384091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.384091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.384091][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.384091][   T10]      netlink_unicast+0x449/0x710
[ 5367.384091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.384091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.384091][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.384091][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.384091][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.384091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.384091][   T10] 
[ 5367.386364][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5367.386364][   T10]      netdev_get_by_index+0x5e/0x80
[ 5367.386364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5367.386364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5367.386364][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5367.386364][   T10]      ipv6_add_addr+0x411/0x2000
[ 5367.386364][   T10]      inet6_addr_add+0x30e/0xa40
[ 5367.386364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5367.386364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.386364][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.386364][   T10]      netlink_unicast+0x449/0x710
[ 5367.386364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.386364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.386364][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.386364][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.386364][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.386364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.386364][   T10] 
[ 5367.388626][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5367.388626][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5367.388626][   T10]      ipv6_find_idev+0x102/0x170
[ 5367.388626][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5367.388626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.388626][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.388626][   T10]      netlink_unicast+0x449/0x710
[ 5367.388626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.388626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.388626][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.388626][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.388626][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.388626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.388626][   T10] 
[ 5367.390419][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5367.390419][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5367.390419][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5367.390419][   T10]      ipv6_find_idev+0x102/0x170
[ 5367.390419][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5367.390419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5367.390419][   T10]      netlink_rcv_skb+0x130/0x360
[ 5367.390419][   T10]      netlink_unicast+0x449/0x710
[ 5367.390419][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5367.390419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5367.390419][   T10]      ___sys_sendmsg+0xee/0x170
[ 5367.390419][   T10]      __sys_sendmsg+0xcd/0x170
[ 5367.390419][   T10]      do_syscall_64+0xc6/0x1e0
[ 5367.390419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5367.390419][   T10] 
[ 5377.496696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5377.497163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.497163][   T10]      dst_init+0x84/0x4a0
[ 5377.497163][   T10]      dst_alloc+0x97/0x150
[ 5377.497163][   T10]      ip6_dst_alloc+0x23/0x90
[ 5377.497163][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5377.497163][   T10]      ip6_pol_route+0x56f/0x840
[ 5377.497163][   T10]      fib6_rule_lookup+0x456/0x630
[ 5377.497163][   T10]      ip6_route_input+0x59c/0xa50
[ 5377.497163][   T10]      ipv6_rcv+0x397/0x810
[ 5377.497163][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5377.497163][   T10]      process_backlog+0x101/0x620
[ 5377.497163][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5377.497163][   T10]      net_rx_action+0x495/0xbe0
[ 5377.497163][   T10]      __do_softirq+0x1b5/0x7f6
[ 5377.497163][   T10] 
[ 5377.498826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.498826][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5377.498826][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5377.498826][   T10]      fib6_nh_init+0xa22/0x1580
[ 5377.498826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.498826][   T10]      ip6_route_add+0x1c/0x140
[ 5377.498826][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5377.498826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.498826][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.498826][   T10]      netlink_unicast+0x449/0x710
[ 5377.498826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.498826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.498826][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.498826][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.498826][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.498826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.498826][   T10] 
[ 5377.500696][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.500696][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.500696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.500696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.500696][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5377.500696][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5377.500696][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5377.500696][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5377.500696][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5377.500696][   T10]      addrconf_dad_begin+0x310/0x670
[ 5377.500696][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5377.500696][   T10]      process_one_work+0x84d/0x18a0
[ 5377.500696][   T10]      worker_thread+0x587/0xd30
[ 5377.500696][   T10]      kthread+0x28a/0x350
[ 5377.500696][   T10]      ret_from_fork+0x31/0x70
[ 5377.500696][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5377.500696][   T10] 
[ 5377.502596][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.502596][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.502596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.502596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.502596][   T10]      ip6_route_add+0x1c/0x140
[ 5377.502596][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5377.502596][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5377.502596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.502596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.502596][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.502596][   T10]      netlink_unicast+0x449/0x710
[ 5377.502596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.502596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.502596][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.502596][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.502596][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.502596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.502596][   T10] 
[ 5377.504578][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.504578][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.504578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.504578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.504578][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5377.504578][   T10]      ipv6_add_addr+0x411/0x2000
[ 5377.504578][   T10]      inet6_addr_add+0x30e/0xa40
[ 5377.504578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.504578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.504578][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.504578][   T10]      netlink_unicast+0x449/0x710
[ 5377.504578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.504578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.504578][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.504578][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.504578][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.504578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.504578][   T10] 
[ 5377.506546][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.506546][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.506546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.506546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.506546][   T10]      ip6_route_add+0x1c/0x140
[ 5377.506546][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5377.506546][   T10]      addrconf_add_dev+0xe2/0x170
[ 5377.506546][   T10]      inet6_addr_add+0x12f/0xa40
[ 5377.506546][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.506546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.506546][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.506546][   T10]      netlink_unicast+0x449/0x710
[ 5377.506546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.506546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.506546][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.506546][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.506546][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.506546][   T10] 
[ 5377.508526][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.508526][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5377.508526][   T10]      ipv6_find_idev+0x102/0x170
[ 5377.508526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5377.508526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.508526][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.508526][   T10]      netlink_unicast+0x449/0x710
[ 5377.508526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.508526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.508526][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.508526][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.508526][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.508526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.508526][   T10] 
[ 5377.510083][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5377.510083][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5377.510083][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5377.510083][   T10]      ipv6_find_idev+0x102/0x170
[ 5377.510083][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5377.510083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.510083][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.510083][   T10]      netlink_unicast+0x449/0x710
[ 5377.510083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.510083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.510083][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.510083][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.510083][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.510083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.510083][   T10] 
[ 5377.511829][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5377.512074][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.512074][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5377.512074][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5377.512074][   T10]      fib6_nh_init+0xa22/0x1580
[ 5377.512074][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.512074][   T10]      ip6_route_add+0x1c/0x140
[ 5377.512074][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5377.512074][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.512074][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.512074][   T10]      netlink_unicast+0x449/0x710
[ 5377.512074][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.512074][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.512074][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.512074][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.512074][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.512074][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.512074][   T10] 
[ 5377.513981][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.513981][   T10]      dst_init+0x84/0x4a0
[ 5377.513981][   T10]      dst_alloc+0x97/0x150
[ 5377.513981][   T10]      ip6_dst_alloc+0x23/0x90
[ 5377.513981][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5377.513981][   T10]      ip6_pol_route+0x56f/0x840
[ 5377.513981][   T10]      fib6_rule_lookup+0x456/0x630
[ 5377.513981][   T10]      ip6_route_input+0x59c/0xa50
[ 5377.513981][   T10]      ipv6_rcv+0x397/0x810
[ 5377.513981][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5377.513981][   T10]      process_backlog+0x101/0x620
[ 5377.513981][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5377.513981][   T10]      net_rx_action+0x495/0xbe0
[ 5377.513981][   T10]      __do_softirq+0x1b5/0x7f6
[ 5377.513981][   T10] 
[ 5377.515626][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.515626][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.515626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.515626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.515626][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5377.515626][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5377.515626][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5377.515626][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5377.515626][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5377.515626][   T10]      addrconf_dad_begin+0x310/0x670
[ 5377.515626][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5377.515626][   T10]      process_one_work+0x84d/0x18a0
[ 5377.515626][   T10]      worker_thread+0x587/0xd30
[ 5377.515626][   T10]      kthread+0x28a/0x350
[ 5377.515626][   T10]      ret_from_fork+0x31/0x70
[ 5377.515626][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5377.515626][   T10] 
[ 5377.517570][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.517570][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.517570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.517570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.517570][   T10]      ip6_route_add+0x1c/0x140
[ 5377.517570][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5377.517570][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5377.517570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.517570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.517570][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.517570][   T10]      netlink_unicast+0x449/0x710
[ 5377.517570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.517570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.517570][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.517570][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.517570][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.517570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.517570][   T10] 
[ 5377.519627][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.519627][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.519627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.519627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.519627][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5377.519627][   T10]      ipv6_add_addr+0x411/0x2000
[ 5377.519627][   T10]      inet6_addr_add+0x30e/0xa40
[ 5377.519627][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.519627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.519627][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.519627][   T10]      netlink_unicast+0x449/0x710
[ 5377.519627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.519627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.519627][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.519627][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.519627][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.519627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.519627][   T10] 
[ 5377.521662][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.521662][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.521662][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.521662][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.521662][   T10]      ip6_route_add+0x1c/0x140
[ 5377.521662][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5377.521662][   T10]      addrconf_add_dev+0xe2/0x170
[ 5377.521662][   T10]      inet6_addr_add+0x12f/0xa40
[ 5377.521662][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.521662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.521662][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.521662][   T10]      netlink_unicast+0x449/0x710
[ 5377.521662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.521662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.521662][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.521662][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.521662][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.521662][   T10] 
[ 5377.523830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.523830][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5377.523830][   T10]      ipv6_find_idev+0x102/0x170
[ 5377.523830][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5377.523830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.523830][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.523830][   T10]      netlink_unicast+0x449/0x710
[ 5377.523830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.523830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.523830][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.523830][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.523830][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.523830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.523830][   T10] 
[ 5377.525522][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5377.525522][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5377.525522][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5377.525522][   T10]      ipv6_find_idev+0x102/0x170
[ 5377.525522][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5377.525522][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.525522][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.525522][   T10]      netlink_unicast+0x449/0x710
[ 5377.525522][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.525522][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.525522][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.525522][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.525522][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.525522][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.525522][   T10] 
[ 5377.527509][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5377.527784][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5377.527784][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.527784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.527784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.527784][   T10]      ip6_route_add+0x1c/0x140
[ 5377.527784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5377.527784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5377.527784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.527784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.527784][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.527784][   T10]      netlink_unicast+0x449/0x710
[ 5377.527784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.527784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.527784][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.527784][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.527784][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.527784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.527784][   T10] 
[ 5377.530058][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5377.530058][   T10]      netdev_get_by_index+0x5e/0x80
[ 5377.530058][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5377.530058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5377.530058][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5377.530058][   T10]      ipv6_add_addr+0x411/0x2000
[ 5377.530058][   T10]      inet6_addr_add+0x30e/0xa40
[ 5377.530058][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5377.530058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.530058][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.530058][   T10]      netlink_unicast+0x449/0x710
[ 5377.530058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.530058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.530058][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.530058][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.530058][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.530058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.530058][   T10] 
[ 5377.532346][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5377.532346][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5377.532346][   T10]      ipv6_find_idev+0x102/0x170
[ 5377.532346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5377.532346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.532346][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.532346][   T10]      netlink_unicast+0x449/0x710
[ 5377.532346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.532346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.532346][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.532346][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.532346][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.532346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.532346][   T10] 
[ 5377.534083][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5377.534083][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5377.534083][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5377.534083][   T10]      ipv6_find_idev+0x102/0x170
[ 5377.534083][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5377.534083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5377.534083][   T10]      netlink_rcv_skb+0x130/0x360
[ 5377.534083][   T10]      netlink_unicast+0x449/0x710
[ 5377.534083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5377.534083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5377.534083][   T10]      ___sys_sendmsg+0xee/0x170
[ 5377.534083][   T10]      __sys_sendmsg+0xcd/0x170
[ 5377.534083][   T10]      do_syscall_64+0xc6/0x1e0
[ 5377.534083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5377.534083][   T10] 
[ 5387.608693][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5387.609177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.609177][   T10]      dst_init+0x84/0x4a0
[ 5387.609177][   T10]      dst_alloc+0x97/0x150
[ 5387.609177][   T10]      ip6_dst_alloc+0x23/0x90
[ 5387.609177][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5387.609177][   T10]      ip6_pol_route+0x56f/0x840
[ 5387.609177][   T10]      fib6_rule_lookup+0x456/0x630
[ 5387.609177][   T10]      ip6_route_input+0x59c/0xa50
[ 5387.609177][   T10]      ipv6_rcv+0x397/0x810
[ 5387.609177][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5387.609177][   T10]      process_backlog+0x101/0x620
[ 5387.609177][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5387.609177][   T10]      net_rx_action+0x495/0xbe0
[ 5387.609177][   T10]      __do_softirq+0x1b5/0x7f6
[ 5387.609177][   T10] 
[ 5387.610870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.610870][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5387.610870][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5387.610870][   T10]      fib6_nh_init+0xa22/0x1580
[ 5387.610870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.610870][   T10]      ip6_route_add+0x1c/0x140
[ 5387.610870][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5387.610870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.610870][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.610870][   T10]      netlink_unicast+0x449/0x710
[ 5387.610870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.610870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.610870][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.610870][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.610870][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.610870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.610870][   T10] 
[ 5387.612795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.612795][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.612795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.612795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.612795][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5387.612795][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5387.612795][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5387.612795][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5387.612795][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5387.612795][   T10]      addrconf_dad_begin+0x310/0x670
[ 5387.612795][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5387.612795][   T10]      process_one_work+0x84d/0x18a0
[ 5387.612795][   T10]      worker_thread+0x587/0xd30
[ 5387.612795][   T10]      kthread+0x28a/0x350
[ 5387.612795][   T10]      ret_from_fork+0x31/0x70
[ 5387.612795][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5387.612795][   T10] 
[ 5387.614677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.614677][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.614677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.614677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.614677][   T10]      ip6_route_add+0x1c/0x140
[ 5387.614677][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5387.614677][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5387.614677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.614677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.614677][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.614677][   T10]      netlink_unicast+0x449/0x710
[ 5387.614677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.614677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.614677][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.614677][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.614677][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.614677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.614677][   T10] 
[ 5387.617212][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.617212][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.617212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.617212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.617212][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5387.617212][   T10]      ipv6_add_addr+0x411/0x2000
[ 5387.617212][   T10]      inet6_addr_add+0x30e/0xa40
[ 5387.617212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.617212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.617212][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.617212][   T10]      netlink_unicast+0x449/0x710
[ 5387.617212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.617212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.617212][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.617212][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.617212][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.617212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.617212][   T10] 
[ 5387.619205][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.619205][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.619205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.619205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.619205][   T10]      ip6_route_add+0x1c/0x140
[ 5387.619205][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5387.619205][   T10]      addrconf_add_dev+0xe2/0x170
[ 5387.619205][   T10]      inet6_addr_add+0x12f/0xa40
[ 5387.619205][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.619205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.619205][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.619205][   T10]      netlink_unicast+0x449/0x710
[ 5387.619205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.619205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.619205][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.619205][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.619205][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.619205][   T10] 
[ 5387.621180][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.621180][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5387.621180][   T10]      ipv6_find_idev+0x102/0x170
[ 5387.621180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5387.621180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.621180][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.621180][   T10]      netlink_unicast+0x449/0x710
[ 5387.621180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.621180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.621180][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.621180][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.621180][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.621180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.621180][   T10] 
[ 5387.622733][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5387.622733][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5387.622733][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5387.622733][   T10]      ipv6_find_idev+0x102/0x170
[ 5387.622733][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5387.622733][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.622733][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.622733][   T10]      netlink_unicast+0x449/0x710
[ 5387.622733][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.622733][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.622733][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.622733][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.622733][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.622733][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.622733][   T10] 
[ 5387.624440][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5387.624715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.624715][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5387.624715][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5387.624715][   T10]      fib6_nh_init+0xa22/0x1580
[ 5387.624715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.624715][   T10]      ip6_route_add+0x1c/0x140
[ 5387.624715][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5387.624715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.624715][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.624715][   T10]      netlink_unicast+0x449/0x710
[ 5387.624715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.624715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.624715][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.624715][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.624715][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.624715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.624715][   T10] 
[ 5387.626604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.626604][   T10]      dst_init+0x84/0x4a0
[ 5387.626604][   T10]      dst_alloc+0x97/0x150
[ 5387.626604][   T10]      ip6_dst_alloc+0x23/0x90
[ 5387.626604][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5387.626604][   T10]      ip6_pol_route+0x56f/0x840
[ 5387.626604][   T10]      fib6_rule_lookup+0x456/0x630
[ 5387.626604][   T10]      ip6_route_input+0x59c/0xa50
[ 5387.626604][   T10]      ipv6_rcv+0x397/0x810
[ 5387.626604][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5387.626604][   T10]      process_backlog+0x101/0x620
[ 5387.626604][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5387.626604][   T10]      net_rx_action+0x495/0xbe0
[ 5387.626604][   T10]      __do_softirq+0x1b5/0x7f6
[ 5387.626604][   T10] 
[ 5387.628223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.628223][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.628223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.628223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.628223][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5387.628223][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5387.628223][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5387.628223][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5387.628223][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5387.628223][   T10]      addrconf_dad_begin+0x310/0x670
[ 5387.628223][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5387.628223][   T10]      process_one_work+0x84d/0x18a0
[ 5387.628223][   T10]      worker_thread+0x587/0xd30
[ 5387.628223][   T10]      kthread+0x28a/0x350
[ 5387.628223][   T10]      ret_from_fork+0x31/0x70
[ 5387.628223][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5387.628223][   T10] 
[ 5387.630112][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.630112][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.630112][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.630112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.630112][   T10]      ip6_route_add+0x1c/0x140
[ 5387.630112][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5387.630112][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5387.630112][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.630112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.630112][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.630112][   T10]      netlink_unicast+0x449/0x710
[ 5387.630112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.630112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.630112][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.630112][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.630112][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.630112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.630112][   T10] 
[ 5387.632146][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.632146][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.632146][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.632146][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.632146][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5387.632146][   T10]      ipv6_add_addr+0x411/0x2000
[ 5387.632146][   T10]      inet6_addr_add+0x30e/0xa40
[ 5387.632146][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.632146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.632146][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.632146][   T10]      netlink_unicast+0x449/0x710
[ 5387.632146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.632146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.632146][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.632146][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.632146][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.632146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.632146][   T10] 
[ 5387.634126][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.634126][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.634126][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.634126][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.634126][   T10]      ip6_route_add+0x1c/0x140
[ 5387.634126][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5387.634126][   T10]      addrconf_add_dev+0xe2/0x170
[ 5387.634126][   T10]      inet6_addr_add+0x12f/0xa40
[ 5387.634126][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.634126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.634126][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.634126][   T10]      netlink_unicast+0x449/0x710
[ 5387.634126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.634126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.634126][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.634126][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.634126][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.634126][   T10] 
[ 5387.636271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.636271][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5387.636271][   T10]      ipv6_find_idev+0x102/0x170
[ 5387.636271][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5387.636271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.636271][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.636271][   T10]      netlink_unicast+0x449/0x710
[ 5387.636271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.636271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.636271][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.636271][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.636271][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.636271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.636271][   T10] 
[ 5387.638071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5387.638071][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5387.638071][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5387.638071][   T10]      ipv6_find_idev+0x102/0x170
[ 5387.638071][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5387.638071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.638071][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.638071][   T10]      netlink_unicast+0x449/0x710
[ 5387.638071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.638071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.638071][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.638071][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.638071][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.638071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.638071][   T10] 
[ 5387.640013][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5387.640265][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5387.640265][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.640265][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.640265][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.640265][   T10]      ip6_route_add+0x1c/0x140
[ 5387.640265][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5387.640265][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5387.640265][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.640265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.640265][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.640265][   T10]      netlink_unicast+0x449/0x710
[ 5387.640265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.640265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.640265][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.640265][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.640265][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.640265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.640265][   T10] 
[ 5387.642563][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5387.642563][   T10]      netdev_get_by_index+0x5e/0x80
[ 5387.642563][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5387.642563][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5387.642563][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5387.642563][   T10]      ipv6_add_addr+0x411/0x2000
[ 5387.642563][   T10]      inet6_addr_add+0x30e/0xa40
[ 5387.642563][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5387.642563][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.642563][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.642563][   T10]      netlink_unicast+0x449/0x710
[ 5387.642563][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.642563][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.642563][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.642563][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.642563][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.642563][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.642563][   T10] 
[ 5387.644852][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5387.644852][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5387.644852][   T10]      ipv6_find_idev+0x102/0x170
[ 5387.644852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5387.644852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.644852][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.644852][   T10]      netlink_unicast+0x449/0x710
[ 5387.644852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.644852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.644852][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.644852][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.644852][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.644852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.644852][   T10] 
[ 5387.646673][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5387.646673][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5387.646673][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5387.646673][   T10]      ipv6_find_idev+0x102/0x170
[ 5387.646673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5387.646673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5387.646673][   T10]      netlink_rcv_skb+0x130/0x360
[ 5387.646673][   T10]      netlink_unicast+0x449/0x710
[ 5387.646673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5387.646673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5387.646673][   T10]      ___sys_sendmsg+0xee/0x170
[ 5387.646673][   T10]      __sys_sendmsg+0xcd/0x170
[ 5387.646673][   T10]      do_syscall_64+0xc6/0x1e0
[ 5387.646673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5387.646673][   T10] 
[ 5397.656707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5397.657164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.657164][   T10]      dst_init+0x84/0x4a0
[ 5397.657164][   T10]      dst_alloc+0x97/0x150
[ 5397.657164][   T10]      ip6_dst_alloc+0x23/0x90
[ 5397.657164][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5397.657164][   T10]      ip6_pol_route+0x56f/0x840
[ 5397.657164][   T10]      fib6_rule_lookup+0x456/0x630
[ 5397.657164][   T10]      ip6_route_input+0x59c/0xa50
[ 5397.657164][   T10]      ipv6_rcv+0x397/0x810
[ 5397.657164][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5397.657164][   T10]      process_backlog+0x101/0x620
[ 5397.657164][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5397.657164][   T10]      net_rx_action+0x495/0xbe0
[ 5397.657164][   T10]      __do_softirq+0x1b5/0x7f6
[ 5397.657164][   T10] 
[ 5397.658864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.658864][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5397.658864][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5397.658864][   T10]      fib6_nh_init+0xa22/0x1580
[ 5397.658864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.658864][   T10]      ip6_route_add+0x1c/0x140
[ 5397.658864][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5397.658864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.658864][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.658864][   T10]      netlink_unicast+0x449/0x710
[ 5397.658864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.658864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.658864][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.658864][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.658864][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.658864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.658864][   T10] 
[ 5397.660770][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.660770][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.660770][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.660770][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.660770][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5397.660770][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5397.660770][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5397.660770][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5397.660770][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5397.660770][   T10]      addrconf_dad_begin+0x310/0x670
[ 5397.660770][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5397.660770][   T10]      process_one_work+0x84d/0x18a0
[ 5397.660770][   T10]      worker_thread+0x587/0xd30
[ 5397.660770][   T10]      kthread+0x28a/0x350
[ 5397.660770][   T10]      ret_from_fork+0x31/0x70
[ 5397.660770][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5397.660770][   T10] 
[ 5397.662708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.662708][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.662708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.662708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.662708][   T10]      ip6_route_add+0x1c/0x140
[ 5397.662708][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5397.662708][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5397.662708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.662708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.662708][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.662708][   T10]      netlink_unicast+0x449/0x710
[ 5397.662708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.662708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.662708][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.662708][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.662708][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.662708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.662708][   T10] 
[ 5397.664728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.664728][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.664728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.664728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.664728][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5397.664728][   T10]      ipv6_add_addr+0x411/0x2000
[ 5397.664728][   T10]      inet6_addr_add+0x30e/0xa40
[ 5397.664728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.664728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.664728][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.664728][   T10]      netlink_unicast+0x449/0x710
[ 5397.664728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.664728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.664728][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.664728][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.664728][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.664728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.664728][   T10] 
[ 5397.666762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.666762][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.666762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.666762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.666762][   T10]      ip6_route_add+0x1c/0x140
[ 5397.666762][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5397.666762][   T10]      addrconf_add_dev+0xe2/0x170
[ 5397.666762][   T10]      inet6_addr_add+0x12f/0xa40
[ 5397.666762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.666762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.666762][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.666762][   T10]      netlink_unicast+0x449/0x710
[ 5397.666762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.666762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.666762][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.666762][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.666762][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.666762][   T10] 
[ 5397.668750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.668750][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5397.668750][   T10]      ipv6_find_idev+0x102/0x170
[ 5397.668750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5397.668750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.668750][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.668750][   T10]      netlink_unicast+0x449/0x710
[ 5397.668750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.668750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.668750][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.668750][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.668750][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.668750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.668750][   T10] 
[ 5397.670306][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5397.670306][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5397.670306][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5397.670306][   T10]      ipv6_find_idev+0x102/0x170
[ 5397.670306][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5397.670306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.670306][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.670306][   T10]      netlink_unicast+0x449/0x710
[ 5397.670306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.670306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.670306][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.670306][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.670306][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.670306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.670306][   T10] 
[ 5397.672046][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5397.672295][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.672295][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5397.672295][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5397.672295][   T10]      fib6_nh_init+0xa22/0x1580
[ 5397.672295][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.672295][   T10]      ip6_route_add+0x1c/0x140
[ 5397.672295][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5397.672295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.672295][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.672295][   T10]      netlink_unicast+0x449/0x710
[ 5397.672295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.672295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.672295][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.672295][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.672295][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.672295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.672295][   T10] 
[ 5397.674196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.674196][   T10]      dst_init+0x84/0x4a0
[ 5397.674196][   T10]      dst_alloc+0x97/0x150
[ 5397.674196][   T10]      ip6_dst_alloc+0x23/0x90
[ 5397.674196][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5397.674196][   T10]      ip6_pol_route+0x56f/0x840
[ 5397.674196][   T10]      fib6_rule_lookup+0x456/0x630
[ 5397.674196][   T10]      ip6_route_input+0x59c/0xa50
[ 5397.674196][   T10]      ipv6_rcv+0x397/0x810
[ 5397.674196][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5397.674196][   T10]      process_backlog+0x101/0x620
[ 5397.674196][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5397.674196][   T10]      net_rx_action+0x495/0xbe0
[ 5397.674196][   T10]      __do_softirq+0x1b5/0x7f6
[ 5397.674196][   T10] 
[ 5397.675862][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.675862][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.675862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.675862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.675862][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5397.675862][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5397.675862][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5397.675862][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5397.675862][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5397.675862][   T10]      addrconf_dad_begin+0x310/0x670
[ 5397.675862][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5397.675862][   T10]      process_one_work+0x84d/0x18a0
[ 5397.675862][   T10]      worker_thread+0x587/0xd30
[ 5397.675862][   T10]      kthread+0x28a/0x350
[ 5397.675862][   T10]      ret_from_fork+0x31/0x70
[ 5397.675862][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5397.675862][   T10] 
[ 5397.677799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.677799][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.677799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.677799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.677799][   T10]      ip6_route_add+0x1c/0x140
[ 5397.677799][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5397.677799][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5397.677799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.677799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.677799][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.677799][   T10]      netlink_unicast+0x449/0x710
[ 5397.677799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.677799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.677799][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.677799][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.677799][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.677799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.677799][   T10] 
[ 5397.679830][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.679830][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.679830][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.679830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.679830][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5397.679830][   T10]      ipv6_add_addr+0x411/0x2000
[ 5397.679830][   T10]      inet6_addr_add+0x30e/0xa40
[ 5397.679830][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.679830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.679830][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.679830][   T10]      netlink_unicast+0x449/0x710
[ 5397.679830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.679830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.679830][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.679830][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.679830][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.679830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.679830][   T10] 
[ 5397.681859][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.681859][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.681859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.681859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.681859][   T10]      ip6_route_add+0x1c/0x140
[ 5397.681859][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5397.681859][   T10]      addrconf_add_dev+0xe2/0x170
[ 5397.681859][   T10]      inet6_addr_add+0x12f/0xa40
[ 5397.681859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.681859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.681859][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.681859][   T10]      netlink_unicast+0x449/0x710
[ 5397.681859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.681859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.681859][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.681859][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.681859][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.681859][   T10] 
[ 5397.683984][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.683984][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5397.683984][   T10]      ipv6_find_idev+0x102/0x170
[ 5397.683984][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5397.683984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.683984][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.683984][   T10]      netlink_unicast+0x449/0x710
[ 5397.683984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.683984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.683984][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.683984][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.683984][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.683984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.683984][   T10] 
[ 5397.685600][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5397.685600][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5397.685600][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5397.685600][   T10]      ipv6_find_idev+0x102/0x170
[ 5397.685600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5397.685600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.685600][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.685600][   T10]      netlink_unicast+0x449/0x710
[ 5397.685600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.685600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.685600][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.685600][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.685600][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.685600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.685600][   T10] 
[ 5397.687446][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5397.687710][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5397.687710][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.687710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.687710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.687710][   T10]      ip6_route_add+0x1c/0x140
[ 5397.687710][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5397.687710][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5397.687710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.687710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.687710][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.687710][   T10]      netlink_unicast+0x449/0x710
[ 5397.687710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.687710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.687710][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.687710][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.687710][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.687710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.687710][   T10] 
[ 5397.689866][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5397.689866][   T10]      netdev_get_by_index+0x5e/0x80
[ 5397.689866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5397.689866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5397.689866][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5397.689866][   T10]      ipv6_add_addr+0x411/0x2000
[ 5397.689866][   T10]      inet6_addr_add+0x30e/0xa40
[ 5397.689866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5397.689866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.689866][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.689866][   T10]      netlink_unicast+0x449/0x710
[ 5397.689866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.689866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.689866][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.689866][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.689866][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.689866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.689866][   T10] 
[ 5397.692009][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5397.692009][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5397.692009][   T10]      ipv6_find_idev+0x102/0x170
[ 5397.692009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5397.692009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.692009][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.692009][   T10]      netlink_unicast+0x449/0x710
[ 5397.692009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.692009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.692009][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.692009][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.692009][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.692009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.692009][   T10] 
[ 5397.693693][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5397.693693][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5397.693693][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5397.693693][   T10]      ipv6_find_idev+0x102/0x170
[ 5397.693693][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5397.693693][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5397.693693][   T10]      netlink_rcv_skb+0x130/0x360
[ 5397.693693][   T10]      netlink_unicast+0x449/0x710
[ 5397.693693][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5397.693693][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5397.693693][   T10]      ___sys_sendmsg+0xee/0x170
[ 5397.693693][   T10]      __sys_sendmsg+0xcd/0x170
[ 5397.693693][   T10]      do_syscall_64+0xc6/0x1e0
[ 5397.693693][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5397.693693][   T10] 
[ 5407.936681][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5407.937155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.937155][   T10]      dst_init+0x84/0x4a0
[ 5407.937155][   T10]      dst_alloc+0x97/0x150
[ 5407.937155][   T10]      ip6_dst_alloc+0x23/0x90
[ 5407.937155][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5407.937155][   T10]      ip6_pol_route+0x56f/0x840
[ 5407.937155][   T10]      fib6_rule_lookup+0x456/0x630
[ 5407.937155][   T10]      ip6_route_input+0x59c/0xa50
[ 5407.937155][   T10]      ipv6_rcv+0x397/0x810
[ 5407.937155][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5407.937155][   T10]      process_backlog+0x101/0x620
[ 5407.937155][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5407.937155][   T10]      net_rx_action+0x495/0xbe0
[ 5407.937155][   T10]      __do_softirq+0x1b5/0x7f6
[ 5407.937155][   T10] 
[ 5407.938840][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.938840][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5407.938840][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5407.938840][   T10]      fib6_nh_init+0xa22/0x1580
[ 5407.938840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.938840][   T10]      ip6_route_add+0x1c/0x140
[ 5407.938840][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5407.938840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.938840][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.938840][   T10]      netlink_unicast+0x449/0x710
[ 5407.938840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.938840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.938840][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.938840][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.938840][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.938840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.938840][   T10] 
[ 5407.940740][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.940740][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.940740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.940740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.940740][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5407.940740][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5407.940740][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5407.940740][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5407.940740][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5407.940740][   T10]      addrconf_dad_begin+0x310/0x670
[ 5407.940740][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5407.940740][   T10]      process_one_work+0x84d/0x18a0
[ 5407.940740][   T10]      worker_thread+0x587/0xd30
[ 5407.940740][   T10]      kthread+0x28a/0x350
[ 5407.940740][   T10]      ret_from_fork+0x31/0x70
[ 5407.940740][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5407.940740][   T10] 
[ 5407.942655][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.942655][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.942655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.942655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.942655][   T10]      ip6_route_add+0x1c/0x140
[ 5407.942655][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5407.942655][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5407.942655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.942655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.942655][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.942655][   T10]      netlink_unicast+0x449/0x710
[ 5407.942655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.942655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.942655][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.942655][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.942655][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.942655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.942655][   T10] 
[ 5407.944654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.944654][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.944654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.944654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.944654][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5407.944654][   T10]      ipv6_add_addr+0x411/0x2000
[ 5407.944654][   T10]      inet6_addr_add+0x30e/0xa40
[ 5407.944654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.944654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.944654][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.944654][   T10]      netlink_unicast+0x449/0x710
[ 5407.944654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.944654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.944654][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.944654][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.944654][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.944654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.944654][   T10] 
[ 5407.946647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.946647][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.946647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.946647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.946647][   T10]      ip6_route_add+0x1c/0x140
[ 5407.946647][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5407.946647][   T10]      addrconf_add_dev+0xe2/0x170
[ 5407.946647][   T10]      inet6_addr_add+0x12f/0xa40
[ 5407.946647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.946647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.946647][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.946647][   T10]      netlink_unicast+0x449/0x710
[ 5407.946647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.946647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.946647][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.946647][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.946647][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.946647][   T10] 
[ 5407.948603][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.948603][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5407.948603][   T10]      ipv6_find_idev+0x102/0x170
[ 5407.948603][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5407.948603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.948603][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.948603][   T10]      netlink_unicast+0x449/0x710
[ 5407.948603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.948603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.948603][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.948603][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.948603][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.948603][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.948603][   T10] 
[ 5407.950146][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5407.950146][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5407.950146][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5407.950146][   T10]      ipv6_find_idev+0x102/0x170
[ 5407.950146][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5407.950146][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.950146][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.950146][   T10]      netlink_unicast+0x449/0x710
[ 5407.950146][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.950146][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.950146][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.950146][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.950146][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.950146][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.950146][   T10] 
[ 5407.951854][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5407.952092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.952092][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5407.952092][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5407.952092][   T10]      fib6_nh_init+0xa22/0x1580
[ 5407.952092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.952092][   T10]      ip6_route_add+0x1c/0x140
[ 5407.952092][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5407.952092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.952092][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.952092][   T10]      netlink_unicast+0x449/0x710
[ 5407.952092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.952092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.952092][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.952092][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.952092][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.952092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.952092][   T10] 
[ 5407.953969][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.953969][   T10]      dst_init+0x84/0x4a0
[ 5407.953969][   T10]      dst_alloc+0x97/0x150
[ 5407.953969][   T10]      ip6_dst_alloc+0x23/0x90
[ 5407.953969][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5407.953969][   T10]      ip6_pol_route+0x56f/0x840
[ 5407.953969][   T10]      fib6_rule_lookup+0x456/0x630
[ 5407.953969][   T10]      ip6_route_input+0x59c/0xa50
[ 5407.953969][   T10]      ipv6_rcv+0x397/0x810
[ 5407.953969][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5407.953969][   T10]      process_backlog+0x101/0x620
[ 5407.953969][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5407.953969][   T10]      net_rx_action+0x495/0xbe0
[ 5407.953969][   T10]      __do_softirq+0x1b5/0x7f6
[ 5407.953969][   T10] 
[ 5407.955601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.955601][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.955601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.955601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.955601][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5407.955601][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5407.955601][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5407.955601][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5407.955601][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5407.955601][   T10]      addrconf_dad_begin+0x310/0x670
[ 5407.955601][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5407.955601][   T10]      process_one_work+0x84d/0x18a0
[ 5407.955601][   T10]      worker_thread+0x587/0xd30
[ 5407.955601][   T10]      kthread+0x28a/0x350
[ 5407.955601][   T10]      ret_from_fork+0x31/0x70
[ 5407.955601][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5407.955601][   T10] 
[ 5407.957515][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.957515][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.957515][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.957515][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.957515][   T10]      ip6_route_add+0x1c/0x140
[ 5407.957515][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5407.957515][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5407.957515][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.957515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.957515][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.957515][   T10]      netlink_unicast+0x449/0x710
[ 5407.957515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.957515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.957515][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.957515][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.957515][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.957515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.957515][   T10] 
[ 5407.959510][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.959510][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.959510][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.959510][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.959510][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5407.959510][   T10]      ipv6_add_addr+0x411/0x2000
[ 5407.959510][   T10]      inet6_addr_add+0x30e/0xa40
[ 5407.959510][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.959510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.959510][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.959510][   T10]      netlink_unicast+0x449/0x710
[ 5407.959510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.959510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.959510][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.959510][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.959510][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.959510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.959510][   T10] 
[ 5407.961506][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.961506][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.961506][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.961506][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.961506][   T10]      ip6_route_add+0x1c/0x140
[ 5407.961506][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5407.961506][   T10]      addrconf_add_dev+0xe2/0x170
[ 5407.961506][   T10]      inet6_addr_add+0x12f/0xa40
[ 5407.961506][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.961506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.961506][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.961506][   T10]      netlink_unicast+0x449/0x710
[ 5407.961506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.961506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.961506][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.961506][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.961506][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.961506][   T10] 
[ 5407.963600][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.963600][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5407.963600][   T10]      ipv6_find_idev+0x102/0x170
[ 5407.963600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5407.963600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.963600][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.963600][   T10]      netlink_unicast+0x449/0x710
[ 5407.963600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.963600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.963600][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.963600][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.963600][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.963600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.963600][   T10] 
[ 5407.965260][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5407.965260][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5407.965260][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5407.965260][   T10]      ipv6_find_idev+0x102/0x170
[ 5407.965260][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5407.965260][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.965260][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.965260][   T10]      netlink_unicast+0x449/0x710
[ 5407.965260][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.965260][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.965260][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.965260][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.965260][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.965260][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.965260][   T10] 
[ 5407.967001][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5407.967318][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5407.967318][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.967318][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.967318][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.967318][   T10]      ip6_route_add+0x1c/0x140
[ 5407.967318][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5407.967318][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5407.967318][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.967318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.967318][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.967318][   T10]      netlink_unicast+0x449/0x710
[ 5407.967318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.967318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.967318][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.967318][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.967318][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.967318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.967318][   T10] 
[ 5407.969371][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5407.969371][   T10]      netdev_get_by_index+0x5e/0x80
[ 5407.969371][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5407.969371][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5407.969371][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5407.969371][   T10]      ipv6_add_addr+0x411/0x2000
[ 5407.969371][   T10]      inet6_addr_add+0x30e/0xa40
[ 5407.969371][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5407.969371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.969371][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.969371][   T10]      netlink_unicast+0x449/0x710
[ 5407.969371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.969371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.969371][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.969371][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.969371][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.969371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.969371][   T10] 
[ 5407.971487][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5407.971487][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5407.971487][   T10]      ipv6_find_idev+0x102/0x170
[ 5407.971487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5407.971487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.971487][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.971487][   T10]      netlink_unicast+0x449/0x710
[ 5407.971487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.971487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.971487][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.971487][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.971487][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.971487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.971487][   T10] 
[ 5407.973155][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5407.973155][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5407.973155][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5407.973155][   T10]      ipv6_find_idev+0x102/0x170
[ 5407.973155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5407.973155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5407.973155][   T10]      netlink_rcv_skb+0x130/0x360
[ 5407.973155][   T10]      netlink_unicast+0x449/0x710
[ 5407.973155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5407.973155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5407.973155][   T10]      ___sys_sendmsg+0xee/0x170
[ 5407.973155][   T10]      __sys_sendmsg+0xcd/0x170
[ 5407.973155][   T10]      do_syscall_64+0xc6/0x1e0
[ 5407.973155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5407.973155][   T10] 
[ 5418.064819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5418.065270][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.065270][   T10]      dst_init+0x84/0x4a0
[ 5418.065270][   T10]      dst_alloc+0x97/0x150
[ 5418.065270][   T10]      ip6_dst_alloc+0x23/0x90
[ 5418.065270][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5418.065270][   T10]      ip6_pol_route+0x56f/0x840
[ 5418.065270][   T10]      fib6_rule_lookup+0x456/0x630
[ 5418.065270][   T10]      ip6_route_input+0x59c/0xa50
[ 5418.065270][   T10]      ipv6_rcv+0x397/0x810
[ 5418.065270][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5418.065270][   T10]      process_backlog+0x101/0x620
[ 5418.065270][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5418.065270][   T10]      net_rx_action+0x495/0xbe0
[ 5418.065270][   T10]      __do_softirq+0x1b5/0x7f6
[ 5418.065270][   T10] 
[ 5418.066946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.066946][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5418.066946][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5418.066946][   T10]      fib6_nh_init+0xa22/0x1580
[ 5418.066946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.066946][   T10]      ip6_route_add+0x1c/0x140
[ 5418.066946][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5418.066946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.066946][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.066946][   T10]      netlink_unicast+0x449/0x710
[ 5418.066946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.066946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.066946][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.066946][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.066946][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.066946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.066946][   T10] 
[ 5418.068841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.068841][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.068841][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.068841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.068841][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5418.068841][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5418.068841][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5418.068841][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5418.068841][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5418.068841][   T10]      addrconf_dad_begin+0x310/0x670
[ 5418.068841][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5418.068841][   T10]      process_one_work+0x84d/0x18a0
[ 5418.068841][   T10]      worker_thread+0x587/0xd30
[ 5418.068841][   T10]      kthread+0x28a/0x350
[ 5418.068841][   T10]      ret_from_fork+0x31/0x70
[ 5418.068841][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5418.068841][   T10] 
[ 5418.070878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.070878][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.070878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.070878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.070878][   T10]      ip6_route_add+0x1c/0x140
[ 5418.070878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5418.070878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5418.070878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.070878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.070878][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.070878][   T10]      netlink_unicast+0x449/0x710
[ 5418.070878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.070878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.070878][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.070878][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.070878][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.070878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.070878][   T10] 
[ 5418.072896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.072896][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.072896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.072896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.072896][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5418.072896][   T10]      ipv6_add_addr+0x411/0x2000
[ 5418.072896][   T10]      inet6_addr_add+0x30e/0xa40
[ 5418.072896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.072896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.072896][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.072896][   T10]      netlink_unicast+0x449/0x710
[ 5418.072896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.072896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.072896][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.072896][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.072896][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.072896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.072896][   T10] 
[ 5418.074911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.074911][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.074911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.074911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.074911][   T10]      ip6_route_add+0x1c/0x140
[ 5418.074911][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5418.074911][   T10]      addrconf_add_dev+0xe2/0x170
[ 5418.074911][   T10]      inet6_addr_add+0x12f/0xa40
[ 5418.074911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.074911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.074911][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.074911][   T10]      netlink_unicast+0x449/0x710
[ 5418.074911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.074911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.074911][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.074911][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.074911][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.074911][   T10] 
[ 5418.076908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.076908][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5418.076908][   T10]      ipv6_find_idev+0x102/0x170
[ 5418.076908][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5418.076908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.076908][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.076908][   T10]      netlink_unicast+0x449/0x710
[ 5418.076908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.076908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.076908][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.076908][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.076908][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.076908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.076908][   T10] 
[ 5418.078456][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5418.078456][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5418.078456][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5418.078456][   T10]      ipv6_find_idev+0x102/0x170
[ 5418.078456][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5418.078456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.078456][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.078456][   T10]      netlink_unicast+0x449/0x710
[ 5418.078456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.078456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.078456][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.078456][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.078456][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.078456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.078456][   T10] 
[ 5418.080154][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5418.080397][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.080397][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5418.080397][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5418.080397][   T10]      fib6_nh_init+0xa22/0x1580
[ 5418.080397][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.080397][   T10]      ip6_route_add+0x1c/0x140
[ 5418.080397][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5418.080397][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.080397][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.080397][   T10]      netlink_unicast+0x449/0x710
[ 5418.080397][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.080397][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.080397][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.080397][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.080397][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.080397][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.080397][   T10] 
[ 5418.082288][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.082288][   T10]      dst_init+0x84/0x4a0
[ 5418.082288][   T10]      dst_alloc+0x97/0x150
[ 5418.082288][   T10]      ip6_dst_alloc+0x23/0x90
[ 5418.082288][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5418.082288][   T10]      ip6_pol_route+0x56f/0x840
[ 5418.082288][   T10]      fib6_rule_lookup+0x456/0x630
[ 5418.082288][   T10]      ip6_route_input+0x59c/0xa50
[ 5418.082288][   T10]      ipv6_rcv+0x397/0x810
[ 5418.082288][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5418.082288][   T10]      process_backlog+0x101/0x620
[ 5418.082288][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5418.082288][   T10]      net_rx_action+0x495/0xbe0
[ 5418.082288][   T10]      __do_softirq+0x1b5/0x7f6
[ 5418.082288][   T10] 
[ 5418.083914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.083914][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.083914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.083914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.083914][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5418.083914][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5418.083914][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5418.083914][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5418.083914][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5418.083914][   T10]      addrconf_dad_begin+0x310/0x670
[ 5418.083914][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5418.083914][   T10]      process_one_work+0x84d/0x18a0
[ 5418.083914][   T10]      worker_thread+0x587/0xd30
[ 5418.083914][   T10]      kthread+0x28a/0x350
[ 5418.083914][   T10]      ret_from_fork+0x31/0x70
[ 5418.083914][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5418.083914][   T10] 
[ 5418.085824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.085824][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.085824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.085824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.085824][   T10]      ip6_route_add+0x1c/0x140
[ 5418.085824][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5418.085824][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5418.085824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.085824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.085824][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.085824][   T10]      netlink_unicast+0x449/0x710
[ 5418.085824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.085824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.085824][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.085824][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.085824][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.085824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.085824][   T10] 
[ 5418.087820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.087820][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.087820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.087820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.087820][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5418.087820][   T10]      ipv6_add_addr+0x411/0x2000
[ 5418.087820][   T10]      inet6_addr_add+0x30e/0xa40
[ 5418.087820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.087820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.087820][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.087820][   T10]      netlink_unicast+0x449/0x710
[ 5418.087820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.087820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.087820][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.087820][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.087820][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.087820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.087820][   T10] 
[ 5418.089842][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.089842][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.089842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.089842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.089842][   T10]      ip6_route_add+0x1c/0x140
[ 5418.089842][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5418.089842][   T10]      addrconf_add_dev+0xe2/0x170
[ 5418.089842][   T10]      inet6_addr_add+0x12f/0xa40
[ 5418.089842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.089842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.089842][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.089842][   T10]      netlink_unicast+0x449/0x710
[ 5418.089842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.089842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.089842][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.089842][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.089842][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.089842][   T10] 
[ 5418.092005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.092005][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5418.092005][   T10]      ipv6_find_idev+0x102/0x170
[ 5418.092005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5418.092005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.092005][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.092005][   T10]      netlink_unicast+0x449/0x710
[ 5418.092005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.092005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.092005][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.092005][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.092005][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.092005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.092005][   T10] 
[ 5418.093726][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5418.093726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5418.093726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5418.093726][   T10]      ipv6_find_idev+0x102/0x170
[ 5418.093726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5418.093726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.093726][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.093726][   T10]      netlink_unicast+0x449/0x710
[ 5418.093726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.093726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.093726][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.093726][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.093726][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.093726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.093726][   T10] 
[ 5418.095670][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5418.095978][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5418.095978][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.095978][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.095978][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.095978][   T10]      ip6_route_add+0x1c/0x140
[ 5418.095978][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5418.095978][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5418.095978][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.095978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.095978][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.095978][   T10]      netlink_unicast+0x449/0x710
[ 5418.095978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.095978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.095978][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.095978][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.095978][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.095978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.095978][   T10] 
[ 5418.098160][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5418.098160][   T10]      netdev_get_by_index+0x5e/0x80
[ 5418.098160][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5418.098160][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5418.098160][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5418.098160][   T10]      ipv6_add_addr+0x411/0x2000
[ 5418.098160][   T10]      inet6_addr_add+0x30e/0xa40
[ 5418.098160][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5418.098160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.098160][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.098160][   T10]      netlink_unicast+0x449/0x710
[ 5418.098160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.098160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.098160][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.098160][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.098160][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.098160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.098160][   T10] 
[ 5418.100403][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5418.100403][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5418.100403][   T10]      ipv6_find_idev+0x102/0x170
[ 5418.100403][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5418.100403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.100403][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.100403][   T10]      netlink_unicast+0x449/0x710
[ 5418.100403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.100403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.100403][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.100403][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.100403][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.100403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.100403][   T10] 
[ 5418.102138][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5418.102138][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5418.102138][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5418.102138][   T10]      ipv6_find_idev+0x102/0x170
[ 5418.102138][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5418.102138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5418.102138][   T10]      netlink_rcv_skb+0x130/0x360
[ 5418.102138][   T10]      netlink_unicast+0x449/0x710
[ 5418.102138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5418.102138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5418.102138][   T10]      ___sys_sendmsg+0xee/0x170
[ 5418.102138][   T10]      __sys_sendmsg+0xcd/0x170
[ 5418.102138][   T10]      do_syscall_64+0xc6/0x1e0
[ 5418.102138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5418.102138][   T10] 
[ 5428.352696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5428.353157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.353157][   T10]      dst_init+0x84/0x4a0
[ 5428.353157][   T10]      dst_alloc+0x97/0x150
[ 5428.353157][   T10]      ip6_dst_alloc+0x23/0x90
[ 5428.353157][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5428.353157][   T10]      ip6_pol_route+0x56f/0x840
[ 5428.353157][   T10]      fib6_rule_lookup+0x456/0x630
[ 5428.353157][   T10]      ip6_route_input+0x59c/0xa50
[ 5428.353157][   T10]      ipv6_rcv+0x397/0x810
[ 5428.353157][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5428.353157][   T10]      process_backlog+0x101/0x620
[ 5428.353157][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5428.353157][   T10]      net_rx_action+0x495/0xbe0
[ 5428.353157][   T10]      __do_softirq+0x1b5/0x7f6
[ 5428.353157][   T10] 
[ 5428.354830][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.354830][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5428.354830][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5428.354830][   T10]      fib6_nh_init+0xa22/0x1580
[ 5428.354830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.354830][   T10]      ip6_route_add+0x1c/0x140
[ 5428.354830][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5428.354830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.354830][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.354830][   T10]      netlink_unicast+0x449/0x710
[ 5428.354830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.354830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.354830][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.354830][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.354830][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.354830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.354830][   T10] 
[ 5428.356724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.356724][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.356724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.356724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.356724][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5428.356724][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5428.356724][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5428.356724][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5428.356724][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5428.356724][   T10]      addrconf_dad_begin+0x310/0x670
[ 5428.356724][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5428.356724][   T10]      process_one_work+0x84d/0x18a0
[ 5428.356724][   T10]      worker_thread+0x587/0xd30
[ 5428.356724][   T10]      kthread+0x28a/0x350
[ 5428.356724][   T10]      ret_from_fork+0x31/0x70
[ 5428.356724][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5428.356724][   T10] 
[ 5428.358629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.358629][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.358629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.358629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.358629][   T10]      ip6_route_add+0x1c/0x140
[ 5428.358629][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5428.358629][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5428.358629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.358629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.358629][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.358629][   T10]      netlink_unicast+0x449/0x710
[ 5428.358629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.358629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.358629][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.358629][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.358629][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.358629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.358629][   T10] 
[ 5428.360631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.360631][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.360631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.360631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.360631][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5428.360631][   T10]      ipv6_add_addr+0x411/0x2000
[ 5428.360631][   T10]      inet6_addr_add+0x30e/0xa40
[ 5428.360631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.360631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.360631][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.360631][   T10]      netlink_unicast+0x449/0x710
[ 5428.360631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.360631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.360631][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.360631][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.360631][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.360631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.360631][   T10] 
[ 5428.362628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.362628][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.362628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.362628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.362628][   T10]      ip6_route_add+0x1c/0x140
[ 5428.362628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5428.362628][   T10]      addrconf_add_dev+0xe2/0x170
[ 5428.362628][   T10]      inet6_addr_add+0x12f/0xa40
[ 5428.362628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.362628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.362628][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.362628][   T10]      netlink_unicast+0x449/0x710
[ 5428.362628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.362628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.362628][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.362628][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.362628][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.362628][   T10] 
[ 5428.364586][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.364586][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5428.364586][   T10]      ipv6_find_idev+0x102/0x170
[ 5428.364586][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5428.364586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.364586][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.364586][   T10]      netlink_unicast+0x449/0x710
[ 5428.364586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.364586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.364586][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.364586][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.364586][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.364586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.364586][   T10] 
[ 5428.366116][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5428.366116][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5428.366116][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5428.366116][   T10]      ipv6_find_idev+0x102/0x170
[ 5428.366116][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5428.366116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.366116][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.366116][   T10]      netlink_unicast+0x449/0x710
[ 5428.366116][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.366116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.366116][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.366116][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.366116][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.366116][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.366116][   T10] 
[ 5428.367795][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5428.368036][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.368036][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5428.368036][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5428.368036][   T10]      fib6_nh_init+0xa22/0x1580
[ 5428.368036][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.368036][   T10]      ip6_route_add+0x1c/0x140
[ 5428.368036][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5428.368036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.368036][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.368036][   T10]      netlink_unicast+0x449/0x710
[ 5428.368036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.368036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.368036][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.368036][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.368036][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.368036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.368036][   T10] 
[ 5428.369911][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.369911][   T10]      dst_init+0x84/0x4a0
[ 5428.369911][   T10]      dst_alloc+0x97/0x150
[ 5428.369911][   T10]      ip6_dst_alloc+0x23/0x90
[ 5428.369911][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5428.369911][   T10]      ip6_pol_route+0x56f/0x840
[ 5428.369911][   T10]      fib6_rule_lookup+0x456/0x630
[ 5428.369911][   T10]      ip6_route_input+0x59c/0xa50
[ 5428.369911][   T10]      ipv6_rcv+0x397/0x810
[ 5428.369911][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5428.369911][   T10]      process_backlog+0x101/0x620
[ 5428.369911][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5428.369911][   T10]      net_rx_action+0x495/0xbe0
[ 5428.369911][   T10]      __do_softirq+0x1b5/0x7f6
[ 5428.369911][   T10] 
[ 5428.371544][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.371544][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.371544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.371544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.371544][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5428.371544][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5428.371544][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5428.371544][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5428.371544][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5428.371544][   T10]      addrconf_dad_begin+0x310/0x670
[ 5428.371544][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5428.371544][   T10]      process_one_work+0x84d/0x18a0
[ 5428.371544][   T10]      worker_thread+0x587/0xd30
[ 5428.371544][   T10]      kthread+0x28a/0x350
[ 5428.371544][   T10]      ret_from_fork+0x31/0x70
[ 5428.371544][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5428.371544][   T10] 
[ 5428.373446][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.373446][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.373446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.373446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.373446][   T10]      ip6_route_add+0x1c/0x140
[ 5428.373446][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5428.373446][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5428.373446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.373446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.373446][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.373446][   T10]      netlink_unicast+0x449/0x710
[ 5428.373446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.373446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.373446][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.373446][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.373446][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.373446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.373446][   T10] 
[ 5428.375452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.375452][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.375452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.375452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.375452][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5428.375452][   T10]      ipv6_add_addr+0x411/0x2000
[ 5428.375452][   T10]      inet6_addr_add+0x30e/0xa40
[ 5428.375452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.375452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.375452][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.375452][   T10]      netlink_unicast+0x449/0x710
[ 5428.375452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.375452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.375452][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.375452][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.375452][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.375452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.375452][   T10] 
[ 5428.377448][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.377448][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.377448][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.377448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.377448][   T10]      ip6_route_add+0x1c/0x140
[ 5428.377448][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5428.377448][   T10]      addrconf_add_dev+0xe2/0x170
[ 5428.377448][   T10]      inet6_addr_add+0x12f/0xa40
[ 5428.377448][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.377448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.377448][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.377448][   T10]      netlink_unicast+0x449/0x710
[ 5428.377448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.377448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.377448][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.377448][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.377448][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.377448][   T10] 
[ 5428.379598][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.379598][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5428.379598][   T10]      ipv6_find_idev+0x102/0x170
[ 5428.379598][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5428.379598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.379598][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.379598][   T10]      netlink_unicast+0x449/0x710
[ 5428.379598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.379598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.379598][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.379598][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.379598][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.379598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.379598][   T10] 
[ 5428.381379][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5428.381379][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5428.381379][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5428.381379][   T10]      ipv6_find_idev+0x102/0x170
[ 5428.381379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5428.381379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.381379][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.381379][   T10]      netlink_unicast+0x449/0x710
[ 5428.381379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.381379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.381379][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.381379][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.381379][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.381379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.381379][   T10] 
[ 5428.383243][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5428.383552][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5428.383552][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.383552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.383552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.383552][   T10]      ip6_route_add+0x1c/0x140
[ 5428.383552][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5428.383552][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5428.383552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.383552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.383552][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.383552][   T10]      netlink_unicast+0x449/0x710
[ 5428.383552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.383552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.383552][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.383552][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.383552][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.383552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.383552][   T10] 
[ 5428.385732][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5428.385732][   T10]      netdev_get_by_index+0x5e/0x80
[ 5428.385732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5428.385732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5428.385732][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5428.385732][   T10]      ipv6_add_addr+0x411/0x2000
[ 5428.385732][   T10]      inet6_addr_add+0x30e/0xa40
[ 5428.385732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5428.385732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.385732][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.385732][   T10]      netlink_unicast+0x449/0x710
[ 5428.385732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.385732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.385732][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.385732][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.385732][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.385732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.385732][   T10] 
[ 5428.387966][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5428.387966][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5428.387966][   T10]      ipv6_find_idev+0x102/0x170
[ 5428.387966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5428.387966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.387966][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.387966][   T10]      netlink_unicast+0x449/0x710
[ 5428.387966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.387966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.387966][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.387966][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.387966][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.387966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.387966][   T10] 
[ 5428.389894][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5428.389894][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5428.389894][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5428.389894][   T10]      ipv6_find_idev+0x102/0x170
[ 5428.389894][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5428.389894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5428.389894][   T10]      netlink_rcv_skb+0x130/0x360
[ 5428.389894][   T10]      netlink_unicast+0x449/0x710
[ 5428.389894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5428.389894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5428.389894][   T10]      ___sys_sendmsg+0xee/0x170
[ 5428.389894][   T10]      __sys_sendmsg+0xcd/0x170
[ 5428.389894][   T10]      do_syscall_64+0xc6/0x1e0
[ 5428.389894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5428.389894][   T10] 
[ 5438.840800][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5438.841252][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.841252][   T10]      dst_init+0x84/0x4a0
[ 5438.841252][   T10]      dst_alloc+0x97/0x150
[ 5438.841252][   T10]      ip6_dst_alloc+0x23/0x90
[ 5438.841252][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5438.841252][   T10]      ip6_pol_route+0x56f/0x840
[ 5438.841252][   T10]      fib6_rule_lookup+0x456/0x630
[ 5438.841252][   T10]      ip6_route_input+0x59c/0xa50
[ 5438.841252][   T10]      ipv6_rcv+0x397/0x810
[ 5438.841252][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5438.841252][   T10]      process_backlog+0x101/0x620
[ 5438.841252][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5438.841252][   T10]      net_rx_action+0x495/0xbe0
[ 5438.841252][   T10]      __do_softirq+0x1b5/0x7f6
[ 5438.841252][   T10] 
[ 5438.842944][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.842944][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5438.842944][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5438.842944][   T10]      fib6_nh_init+0xa22/0x1580
[ 5438.842944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.842944][   T10]      ip6_route_add+0x1c/0x140
[ 5438.842944][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5438.842944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.842944][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.842944][   T10]      netlink_unicast+0x449/0x710
[ 5438.842944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.842944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.842944][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.842944][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.842944][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.842944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.842944][   T10] 
[ 5438.844811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.844811][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.844811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.844811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.844811][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5438.844811][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5438.844811][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5438.844811][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5438.844811][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5438.844811][   T10]      addrconf_dad_begin+0x310/0x670
[ 5438.844811][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5438.844811][   T10]      process_one_work+0x84d/0x18a0
[ 5438.844811][   T10]      worker_thread+0x587/0xd30
[ 5438.844811][   T10]      kthread+0x28a/0x350
[ 5438.844811][   T10]      ret_from_fork+0x31/0x70
[ 5438.844811][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5438.844811][   T10] 
[ 5438.846741][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.846741][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.846741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.846741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.846741][   T10]      ip6_route_add+0x1c/0x140
[ 5438.846741][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5438.846741][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5438.846741][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.846741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.846741][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.846741][   T10]      netlink_unicast+0x449/0x710
[ 5438.846741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.846741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.846741][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.846741][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.846741][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.846741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.846741][   T10] 
[ 5438.848757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.848757][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.848757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.848757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.848757][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5438.848757][   T10]      ipv6_add_addr+0x411/0x2000
[ 5438.848757][   T10]      inet6_addr_add+0x30e/0xa40
[ 5438.848757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.848757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.848757][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.848757][   T10]      netlink_unicast+0x449/0x710
[ 5438.848757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.848757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.848757][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.848757][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.848757][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.848757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.848757][   T10] 
[ 5438.850815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.850815][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.850815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.850815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.850815][   T10]      ip6_route_add+0x1c/0x140
[ 5438.850815][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5438.850815][   T10]      addrconf_add_dev+0xe2/0x170
[ 5438.850815][   T10]      inet6_addr_add+0x12f/0xa40
[ 5438.850815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.850815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.850815][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.850815][   T10]      netlink_unicast+0x449/0x710
[ 5438.850815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.850815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.850815][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.850815][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.850815][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.850815][   T10] 
[ 5438.852824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.852824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5438.852824][   T10]      ipv6_find_idev+0x102/0x170
[ 5438.852824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5438.852824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.852824][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.852824][   T10]      netlink_unicast+0x449/0x710
[ 5438.852824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.852824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.852824][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.852824][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.852824][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.852824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.852824][   T10] 
[ 5438.854382][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5438.854382][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5438.854382][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5438.854382][   T10]      ipv6_find_idev+0x102/0x170
[ 5438.854382][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5438.854382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.854382][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.854382][   T10]      netlink_unicast+0x449/0x710
[ 5438.854382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.854382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.854382][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.854382][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.854382][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.854382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.854382][   T10] 
[ 5438.856137][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5438.856385][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.856385][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5438.856385][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5438.856385][   T10]      fib6_nh_init+0xa22/0x1580
[ 5438.856385][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.856385][   T10]      ip6_route_add+0x1c/0x140
[ 5438.856385][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5438.856385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.856385][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.856385][   T10]      netlink_unicast+0x449/0x710
[ 5438.856385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.856385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.856385][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.856385][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.856385][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.856385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.856385][   T10] 
[ 5438.858267][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.858267][   T10]      dst_init+0x84/0x4a0
[ 5438.858267][   T10]      dst_alloc+0x97/0x150
[ 5438.858267][   T10]      ip6_dst_alloc+0x23/0x90
[ 5438.858267][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5438.858267][   T10]      ip6_pol_route+0x56f/0x840
[ 5438.858267][   T10]      fib6_rule_lookup+0x456/0x630
[ 5438.858267][   T10]      ip6_route_input+0x59c/0xa50
[ 5438.858267][   T10]      ipv6_rcv+0x397/0x810
[ 5438.858267][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5438.858267][   T10]      process_backlog+0x101/0x620
[ 5438.858267][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5438.858267][   T10]      net_rx_action+0x495/0xbe0
[ 5438.858267][   T10]      __do_softirq+0x1b5/0x7f6
[ 5438.858267][   T10] 
[ 5438.859941][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.859941][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.859941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.859941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.859941][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5438.859941][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5438.859941][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5438.859941][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5438.859941][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5438.859941][   T10]      addrconf_dad_begin+0x310/0x670
[ 5438.859941][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5438.859941][   T10]      process_one_work+0x84d/0x18a0
[ 5438.859941][   T10]      worker_thread+0x587/0xd30
[ 5438.859941][   T10]      kthread+0x28a/0x350
[ 5438.859941][   T10]      ret_from_fork+0x31/0x70
[ 5438.859941][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5438.859941][   T10] 
[ 5438.861879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.861879][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.861879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.861879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.861879][   T10]      ip6_route_add+0x1c/0x140
[ 5438.861879][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5438.861879][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5438.861879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.861879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.861879][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.861879][   T10]      netlink_unicast+0x449/0x710
[ 5438.861879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.861879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.861879][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.861879][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.861879][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.861879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.861879][   T10] 
[ 5438.863909][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.863909][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.863909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.863909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.863909][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5438.863909][   T10]      ipv6_add_addr+0x411/0x2000
[ 5438.863909][   T10]      inet6_addr_add+0x30e/0xa40
[ 5438.863909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.863909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.863909][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.863909][   T10]      netlink_unicast+0x449/0x710
[ 5438.863909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.863909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.863909][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.863909][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.863909][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.863909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.863909][   T10] 
[ 5438.865936][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.865936][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.865936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.865936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.865936][   T10]      ip6_route_add+0x1c/0x140
[ 5438.865936][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5438.865936][   T10]      addrconf_add_dev+0xe2/0x170
[ 5438.865936][   T10]      inet6_addr_add+0x12f/0xa40
[ 5438.865936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.865936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.865936][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.865936][   T10]      netlink_unicast+0x449/0x710
[ 5438.865936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.865936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.865936][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.865936][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.865936][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.865936][   T10] 
[ 5438.868123][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.868123][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5438.868123][   T10]      ipv6_find_idev+0x102/0x170
[ 5438.868123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5438.868123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.868123][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.868123][   T10]      netlink_unicast+0x449/0x710
[ 5438.868123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.868123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.868123][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.868123][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.868123][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.868123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.868123][   T10] 
[ 5438.869860][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5438.869860][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5438.869860][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5438.869860][   T10]      ipv6_find_idev+0x102/0x170
[ 5438.869860][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5438.869860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.869860][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.869860][   T10]      netlink_unicast+0x449/0x710
[ 5438.869860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.869860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.869860][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.869860][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.869860][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.869860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.869860][   T10] 
[ 5438.871819][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5438.872063][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5438.872063][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.872063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.872063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.872063][   T10]      ip6_route_add+0x1c/0x140
[ 5438.872063][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5438.872063][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5438.872063][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.872063][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.872063][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.872063][   T10]      netlink_unicast+0x449/0x710
[ 5438.872063][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.872063][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.872063][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.872063][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.872063][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.872063][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.872063][   T10] 
[ 5438.874321][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5438.874321][   T10]      netdev_get_by_index+0x5e/0x80
[ 5438.874321][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5438.874321][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5438.874321][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5438.874321][   T10]      ipv6_add_addr+0x411/0x2000
[ 5438.874321][   T10]      inet6_addr_add+0x30e/0xa40
[ 5438.874321][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5438.874321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.874321][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.874321][   T10]      netlink_unicast+0x449/0x710
[ 5438.874321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.874321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.874321][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.874321][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.874321][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.874321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.874321][   T10] 
[ 5438.876583][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5438.876583][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5438.876583][   T10]      ipv6_find_idev+0x102/0x170
[ 5438.876583][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5438.876583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.876583][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.876583][   T10]      netlink_unicast+0x449/0x710
[ 5438.876583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.876583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.876583][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.876583][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.876583][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.876583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.876583][   T10] 
[ 5438.878320][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5438.878320][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5438.878320][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5438.878320][   T10]      ipv6_find_idev+0x102/0x170
[ 5438.878320][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5438.878320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5438.878320][   T10]      netlink_rcv_skb+0x130/0x360
[ 5438.878320][   T10]      netlink_unicast+0x449/0x710
[ 5438.878320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5438.878320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5438.878320][   T10]      ___sys_sendmsg+0xee/0x170
[ 5438.878320][   T10]      __sys_sendmsg+0xcd/0x170
[ 5438.878320][   T10]      do_syscall_64+0xc6/0x1e0
[ 5438.878320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5438.878320][   T10] 
[ 5449.128747][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5449.129185][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.129185][   T10]      dst_init+0x84/0x4a0
[ 5449.129185][   T10]      dst_alloc+0x97/0x150
[ 5449.129185][   T10]      ip6_dst_alloc+0x23/0x90
[ 5449.129185][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5449.129185][   T10]      ip6_pol_route+0x56f/0x840
[ 5449.129185][   T10]      fib6_rule_lookup+0x456/0x630
[ 5449.129185][   T10]      ip6_route_input+0x59c/0xa50
[ 5449.129185][   T10]      ipv6_rcv+0x397/0x810
[ 5449.129185][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5449.129185][   T10]      process_backlog+0x101/0x620
[ 5449.129185][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5449.129185][   T10]      net_rx_action+0x495/0xbe0
[ 5449.129185][   T10]      __do_softirq+0x1b5/0x7f6
[ 5449.129185][   T10] 
[ 5449.130917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.130917][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5449.130917][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5449.130917][   T10]      fib6_nh_init+0xa22/0x1580
[ 5449.130917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.130917][   T10]      ip6_route_add+0x1c/0x140
[ 5449.130917][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5449.130917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.130917][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.130917][   T10]      netlink_unicast+0x449/0x710
[ 5449.130917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.130917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.130917][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.130917][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.130917][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.130917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.130917][   T10] 
[ 5449.132852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.132852][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.132852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.132852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.132852][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5449.132852][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5449.132852][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5449.132852][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5449.132852][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5449.132852][   T10]      addrconf_dad_begin+0x310/0x670
[ 5449.132852][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5449.132852][   T10]      process_one_work+0x84d/0x18a0
[ 5449.132852][   T10]      worker_thread+0x587/0xd30
[ 5449.132852][   T10]      kthread+0x28a/0x350
[ 5449.132852][   T10]      ret_from_fork+0x31/0x70
[ 5449.132852][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5449.132852][   T10] 
[ 5449.134803][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.134803][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.134803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.134803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.134803][   T10]      ip6_route_add+0x1c/0x140
[ 5449.134803][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5449.134803][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5449.134803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.134803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.134803][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.134803][   T10]      netlink_unicast+0x449/0x710
[ 5449.134803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.134803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.134803][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.134803][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.134803][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.134803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.134803][   T10] 
[ 5449.136822][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.136822][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.136822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.136822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.136822][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5449.136822][   T10]      ipv6_add_addr+0x411/0x2000
[ 5449.136822][   T10]      inet6_addr_add+0x30e/0xa40
[ 5449.136822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.136822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.136822][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.136822][   T10]      netlink_unicast+0x449/0x710
[ 5449.136822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.136822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.136822][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.136822][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.136822][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.136822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.136822][   T10] 
[ 5449.138843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.138843][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.138843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.138843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.138843][   T10]      ip6_route_add+0x1c/0x140
[ 5449.138843][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5449.138843][   T10]      addrconf_add_dev+0xe2/0x170
[ 5449.138843][   T10]      inet6_addr_add+0x12f/0xa40
[ 5449.138843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.138843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.138843][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.138843][   T10]      netlink_unicast+0x449/0x710
[ 5449.138843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.138843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.138843][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.138843][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.138843][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.138843][   T10] 
[ 5449.140835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.140835][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5449.140835][   T10]      ipv6_find_idev+0x102/0x170
[ 5449.140835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5449.140835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.140835][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.140835][   T10]      netlink_unicast+0x449/0x710
[ 5449.140835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.140835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.140835][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.140835][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.140835][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.140835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.140835][   T10] 
[ 5449.142392][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5449.142392][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5449.142392][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5449.142392][   T10]      ipv6_find_idev+0x102/0x170
[ 5449.142392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5449.142392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.142392][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.142392][   T10]      netlink_unicast+0x449/0x710
[ 5449.142392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.142392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.142392][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.142392][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.142392][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.142392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.142392][   T10] 
[ 5449.144121][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5449.144361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.144361][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5449.144361][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5449.144361][   T10]      fib6_nh_init+0xa22/0x1580
[ 5449.144361][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.144361][   T10]      ip6_route_add+0x1c/0x140
[ 5449.144361][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5449.144361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.144361][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.144361][   T10]      netlink_unicast+0x449/0x710
[ 5449.144361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.144361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.144361][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.144361][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.144361][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.144361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.144361][   T10] 
[ 5449.146216][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.146216][   T10]      dst_init+0x84/0x4a0
[ 5449.146216][   T10]      dst_alloc+0x97/0x150
[ 5449.146216][   T10]      ip6_dst_alloc+0x23/0x90
[ 5449.146216][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5449.146216][   T10]      ip6_pol_route+0x56f/0x840
[ 5449.146216][   T10]      fib6_rule_lookup+0x456/0x630
[ 5449.146216][   T10]      ip6_route_input+0x59c/0xa50
[ 5449.146216][   T10]      ipv6_rcv+0x397/0x810
[ 5449.146216][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5449.146216][   T10]      process_backlog+0x101/0x620
[ 5449.146216][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5449.146216][   T10]      net_rx_action+0x495/0xbe0
[ 5449.146216][   T10]      __do_softirq+0x1b5/0x7f6
[ 5449.146216][   T10] 
[ 5449.147885][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.147885][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.147885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.147885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.147885][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5449.147885][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5449.147885][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5449.147885][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5449.147885][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5449.147885][   T10]      addrconf_dad_begin+0x310/0x670
[ 5449.147885][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5449.147885][   T10]      process_one_work+0x84d/0x18a0
[ 5449.147885][   T10]      worker_thread+0x587/0xd30
[ 5449.147885][   T10]      kthread+0x28a/0x350
[ 5449.147885][   T10]      ret_from_fork+0x31/0x70
[ 5449.147885][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5449.147885][   T10] 
[ 5449.149838][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.149838][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.149838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.149838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.149838][   T10]      ip6_route_add+0x1c/0x140
[ 5449.149838][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5449.149838][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5449.149838][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.149838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.149838][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.149838][   T10]      netlink_unicast+0x449/0x710
[ 5449.149838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.149838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.149838][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.149838][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.149838][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.149838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.149838][   T10] 
[ 5449.151853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.151853][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.151853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.151853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.151853][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5449.151853][   T10]      ipv6_add_addr+0x411/0x2000
[ 5449.151853][   T10]      inet6_addr_add+0x30e/0xa40
[ 5449.151853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.151853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.151853][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.151853][   T10]      netlink_unicast+0x449/0x710
[ 5449.151853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.151853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.151853][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.151853][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.151853][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.151853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.151853][   T10] 
[ 5449.153831][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.153831][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.153831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.153831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.153831][   T10]      ip6_route_add+0x1c/0x140
[ 5449.153831][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5449.153831][   T10]      addrconf_add_dev+0xe2/0x170
[ 5449.153831][   T10]      inet6_addr_add+0x12f/0xa40
[ 5449.153831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.153831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.153831][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.153831][   T10]      netlink_unicast+0x449/0x710
[ 5449.153831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.153831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.153831][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.153831][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.153831][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.153831][   T10] 
[ 5449.155949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.155949][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5449.155949][   T10]      ipv6_find_idev+0x102/0x170
[ 5449.155949][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5449.155949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.155949][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.155949][   T10]      netlink_unicast+0x449/0x710
[ 5449.155949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.155949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.155949][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.155949][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.155949][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.155949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.155949][   T10] 
[ 5449.157699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5449.157699][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5449.157699][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5449.157699][   T10]      ipv6_find_idev+0x102/0x170
[ 5449.157699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5449.157699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.157699][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.157699][   T10]      netlink_unicast+0x449/0x710
[ 5449.157699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.157699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.157699][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.157699][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.157699][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.157699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.157699][   T10] 
[ 5449.159608][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5449.159866][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5449.159866][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.159866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.159866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.159866][   T10]      ip6_route_add+0x1c/0x140
[ 5449.159866][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5449.159866][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5449.159866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.159866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.159866][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.159866][   T10]      netlink_unicast+0x449/0x710
[ 5449.159866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.159866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.159866][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.159866][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.159866][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.159866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.159866][   T10] 
[ 5449.162149][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5449.162149][   T10]      netdev_get_by_index+0x5e/0x80
[ 5449.162149][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5449.162149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5449.162149][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5449.162149][   T10]      ipv6_add_addr+0x411/0x2000
[ 5449.162149][   T10]      inet6_addr_add+0x30e/0xa40
[ 5449.162149][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5449.162149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.162149][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.162149][   T10]      netlink_unicast+0x449/0x710
[ 5449.162149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.162149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.162149][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.162149][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.162149][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.162149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.162149][   T10] 
[ 5449.164380][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5449.164380][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5449.164380][   T10]      ipv6_find_idev+0x102/0x170
[ 5449.164380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5449.164380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.164380][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.164380][   T10]      netlink_unicast+0x449/0x710
[ 5449.164380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.164380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.164380][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.164380][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.164380][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.164380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.164380][   T10] 
[ 5449.166163][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5449.166163][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5449.166163][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5449.166163][   T10]      ipv6_find_idev+0x102/0x170
[ 5449.166163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5449.166163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5449.166163][   T10]      netlink_rcv_skb+0x130/0x360
[ 5449.166163][   T10]      netlink_unicast+0x449/0x710
[ 5449.166163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5449.166163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5449.166163][   T10]      ___sys_sendmsg+0xee/0x170
[ 5449.166163][   T10]      __sys_sendmsg+0xcd/0x170
[ 5449.166163][   T10]      do_syscall_64+0xc6/0x1e0
[ 5449.166163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5449.166163][   T10] 
[ 5459.416708][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5459.417202][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.417202][   T10]      dst_init+0x84/0x4a0
[ 5459.417202][   T10]      dst_alloc+0x97/0x150
[ 5459.417202][   T10]      ip6_dst_alloc+0x23/0x90
[ 5459.417202][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5459.417202][   T10]      ip6_pol_route+0x56f/0x840
[ 5459.417202][   T10]      fib6_rule_lookup+0x456/0x630
[ 5459.417202][   T10]      ip6_route_input+0x59c/0xa50
[ 5459.417202][   T10]      ipv6_rcv+0x397/0x810
[ 5459.417202][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5459.417202][   T10]      process_backlog+0x101/0x620
[ 5459.417202][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5459.417202][   T10]      net_rx_action+0x495/0xbe0
[ 5459.417202][   T10]      __do_softirq+0x1b5/0x7f6
[ 5459.417202][   T10] 
[ 5459.418892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.418892][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5459.418892][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5459.418892][   T10]      fib6_nh_init+0xa22/0x1580
[ 5459.418892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.418892][   T10]      ip6_route_add+0x1c/0x140
[ 5459.418892][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5459.418892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.418892][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.418892][   T10]      netlink_unicast+0x449/0x710
[ 5459.418892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.418892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.418892][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.418892][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.418892][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.418892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.418892][   T10] 
[ 5459.420823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.420823][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.420823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.420823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.420823][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5459.420823][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5459.420823][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5459.420823][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5459.420823][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5459.420823][   T10]      addrconf_dad_begin+0x310/0x670
[ 5459.420823][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5459.420823][   T10]      process_one_work+0x84d/0x18a0
[ 5459.420823][   T10]      worker_thread+0x587/0xd30
[ 5459.420823][   T10]      kthread+0x28a/0x350
[ 5459.420823][   T10]      ret_from_fork+0x31/0x70
[ 5459.420823][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5459.420823][   T10] 
[ 5459.422771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.422771][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.422771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.422771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.422771][   T10]      ip6_route_add+0x1c/0x140
[ 5459.422771][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5459.422771][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5459.422771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.422771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.422771][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.422771][   T10]      netlink_unicast+0x449/0x710
[ 5459.422771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.422771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.422771][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.422771][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.422771][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.422771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.422771][   T10] 
[ 5459.424796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.424796][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.424796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.424796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.424796][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5459.424796][   T10]      ipv6_add_addr+0x411/0x2000
[ 5459.424796][   T10]      inet6_addr_add+0x30e/0xa40
[ 5459.424796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.424796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.424796][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.424796][   T10]      netlink_unicast+0x449/0x710
[ 5459.424796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.424796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.424796][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.424796][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.424796][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.424796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.424796][   T10] 
[ 5459.426823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.426823][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.426823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.426823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.426823][   T10]      ip6_route_add+0x1c/0x140
[ 5459.426823][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5459.426823][   T10]      addrconf_add_dev+0xe2/0x170
[ 5459.426823][   T10]      inet6_addr_add+0x12f/0xa40
[ 5459.426823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.426823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.426823][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.426823][   T10]      netlink_unicast+0x449/0x710
[ 5459.426823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.426823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.426823][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.426823][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.426823][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.426823][   T10] 
[ 5459.428812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.428812][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5459.428812][   T10]      ipv6_find_idev+0x102/0x170
[ 5459.428812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5459.428812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.428812][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.428812][   T10]      netlink_unicast+0x449/0x710
[ 5459.428812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.428812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.428812][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.428812][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.428812][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.428812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.428812][   T10] 
[ 5459.430367][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5459.430367][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5459.430367][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5459.430367][   T10]      ipv6_find_idev+0x102/0x170
[ 5459.430367][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5459.430367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.430367][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.430367][   T10]      netlink_unicast+0x449/0x710
[ 5459.430367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.430367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.430367][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.430367][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.430367][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.430367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.430367][   T10] 
[ 5459.432110][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5459.432354][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.432354][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5459.432354][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5459.432354][   T10]      fib6_nh_init+0xa22/0x1580
[ 5459.432354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.432354][   T10]      ip6_route_add+0x1c/0x140
[ 5459.432354][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5459.432354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.432354][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.432354][   T10]      netlink_unicast+0x449/0x710
[ 5459.432354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.432354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.432354][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.432354][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.432354][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.432354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.432354][   T10] 
[ 5459.434263][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.434263][   T10]      dst_init+0x84/0x4a0
[ 5459.434263][   T10]      dst_alloc+0x97/0x150
[ 5459.434263][   T10]      ip6_dst_alloc+0x23/0x90
[ 5459.434263][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5459.434263][   T10]      ip6_pol_route+0x56f/0x840
[ 5459.434263][   T10]      fib6_rule_lookup+0x456/0x630
[ 5459.434263][   T10]      ip6_route_input+0x59c/0xa50
[ 5459.434263][   T10]      ipv6_rcv+0x397/0x810
[ 5459.434263][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5459.434263][   T10]      process_backlog+0x101/0x620
[ 5459.434263][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5459.434263][   T10]      net_rx_action+0x495/0xbe0
[ 5459.434263][   T10]      __do_softirq+0x1b5/0x7f6
[ 5459.434263][   T10] 
[ 5459.435913][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.435913][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.435913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.435913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.435913][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5459.435913][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5459.435913][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5459.435913][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5459.435913][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5459.435913][   T10]      addrconf_dad_begin+0x310/0x670
[ 5459.435913][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5459.435913][   T10]      process_one_work+0x84d/0x18a0
[ 5459.435913][   T10]      worker_thread+0x587/0xd30
[ 5459.435913][   T10]      kthread+0x28a/0x350
[ 5459.435913][   T10]      ret_from_fork+0x31/0x70
[ 5459.435913][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5459.435913][   T10] 
[ 5459.437851][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.437851][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.437851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.437851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.437851][   T10]      ip6_route_add+0x1c/0x140
[ 5459.437851][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5459.437851][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5459.437851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.437851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.437851][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.437851][   T10]      netlink_unicast+0x449/0x710
[ 5459.437851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.437851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.437851][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.437851][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.437851][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.437851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.437851][   T10] 
[ 5459.439869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.439869][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.439869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.439869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.439869][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5459.439869][   T10]      ipv6_add_addr+0x411/0x2000
[ 5459.439869][   T10]      inet6_addr_add+0x30e/0xa40
[ 5459.439869][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.439869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.439869][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.439869][   T10]      netlink_unicast+0x449/0x710
[ 5459.439869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.439869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.439869][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.439869][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.439869][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.439869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.439869][   T10] 
[ 5459.441903][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.441903][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.441903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.441903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.441903][   T10]      ip6_route_add+0x1c/0x140
[ 5459.441903][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5459.441903][   T10]      addrconf_add_dev+0xe2/0x170
[ 5459.441903][   T10]      inet6_addr_add+0x12f/0xa40
[ 5459.441903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.441903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.441903][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.441903][   T10]      netlink_unicast+0x449/0x710
[ 5459.441903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.441903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.441903][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.441903][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.441903][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.441903][   T10] 
[ 5459.444076][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.444076][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5459.444076][   T10]      ipv6_find_idev+0x102/0x170
[ 5459.444076][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5459.444076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.444076][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.444076][   T10]      netlink_unicast+0x449/0x710
[ 5459.444076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.444076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.444076][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.444076][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.444076][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.444076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.444076][   T10] 
[ 5459.445812][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5459.445812][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5459.445812][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5459.445812][   T10]      ipv6_find_idev+0x102/0x170
[ 5459.445812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5459.445812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.445812][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.445812][   T10]      netlink_unicast+0x449/0x710
[ 5459.445812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.445812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.445812][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.445812][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.445812][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.445812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.445812][   T10] 
[ 5459.447777][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5459.448018][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5459.448018][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.448018][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.448018][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.448018][   T10]      ip6_route_add+0x1c/0x140
[ 5459.448018][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5459.448018][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5459.448018][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.448018][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.448018][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.448018][   T10]      netlink_unicast+0x449/0x710
[ 5459.448018][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.448018][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.448018][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.448018][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.448018][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.448018][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.448018][   T10] 
[ 5459.450286][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5459.450286][   T10]      netdev_get_by_index+0x5e/0x80
[ 5459.450286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5459.450286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5459.450286][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5459.450286][   T10]      ipv6_add_addr+0x411/0x2000
[ 5459.450286][   T10]      inet6_addr_add+0x30e/0xa40
[ 5459.450286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5459.450286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.450286][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.450286][   T10]      netlink_unicast+0x449/0x710
[ 5459.450286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.450286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.450286][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.450286][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.450286][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.450286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.450286][   T10] 
[ 5459.452540][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5459.452540][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5459.452540][   T10]      ipv6_find_idev+0x102/0x170
[ 5459.452540][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5459.452540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.452540][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.452540][   T10]      netlink_unicast+0x449/0x710
[ 5459.452540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.452540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.452540][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.452540][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.452540][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.452540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.452540][   T10] 
[ 5459.454289][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5459.454289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5459.454289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5459.454289][   T10]      ipv6_find_idev+0x102/0x170
[ 5459.454289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5459.454289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5459.454289][   T10]      netlink_rcv_skb+0x130/0x360
[ 5459.454289][   T10]      netlink_unicast+0x449/0x710
[ 5459.454289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5459.454289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5459.454289][   T10]      ___sys_sendmsg+0xee/0x170
[ 5459.454289][   T10]      __sys_sendmsg+0xcd/0x170
[ 5459.454289][   T10]      do_syscall_64+0xc6/0x1e0
[ 5459.454289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5459.454289][   T10] 
[ 5469.704696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5469.705183][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.705183][   T10]      dst_init+0x84/0x4a0
[ 5469.705183][   T10]      dst_alloc+0x97/0x150
[ 5469.705183][   T10]      ip6_dst_alloc+0x23/0x90
[ 5469.705183][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5469.705183][   T10]      ip6_pol_route+0x56f/0x840
[ 5469.705183][   T10]      fib6_rule_lookup+0x456/0x630
[ 5469.705183][   T10]      ip6_route_input+0x59c/0xa50
[ 5469.705183][   T10]      ipv6_rcv+0x397/0x810
[ 5469.705183][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5469.705183][   T10]      process_backlog+0x101/0x620
[ 5469.705183][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5469.705183][   T10]      net_rx_action+0x495/0xbe0
[ 5469.705183][   T10]      __do_softirq+0x1b5/0x7f6
[ 5469.705183][   T10] 
[ 5469.706896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.706896][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5469.706896][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5469.706896][   T10]      fib6_nh_init+0xa22/0x1580
[ 5469.706896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.706896][   T10]      ip6_route_add+0x1c/0x140
[ 5469.706896][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5469.706896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.706896][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.706896][   T10]      netlink_unicast+0x449/0x710
[ 5469.706896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.706896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.706896][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.706896][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.706896][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.706896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.706896][   T10] 
[ 5469.708760][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.708760][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.708760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.708760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.708760][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5469.708760][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5469.708760][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5469.708760][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5469.708760][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5469.708760][   T10]      addrconf_dad_begin+0x310/0x670
[ 5469.708760][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5469.708760][   T10]      process_one_work+0x84d/0x18a0
[ 5469.708760][   T10]      worker_thread+0x587/0xd30
[ 5469.708760][   T10]      kthread+0x28a/0x350
[ 5469.708760][   T10]      ret_from_fork+0x31/0x70
[ 5469.708760][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5469.708760][   T10] 
[ 5469.710656][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.710656][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.710656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.710656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.710656][   T10]      ip6_route_add+0x1c/0x140
[ 5469.710656][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5469.710656][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5469.710656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.710656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.710656][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.710656][   T10]      netlink_unicast+0x449/0x710
[ 5469.710656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.710656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.710656][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.710656][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.710656][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.710656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.710656][   T10] 
[ 5469.713237][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.713237][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.713237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.713237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.713237][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5469.713237][   T10]      ipv6_add_addr+0x411/0x2000
[ 5469.713237][   T10]      inet6_addr_add+0x30e/0xa40
[ 5469.713237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.713237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.713237][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.713237][   T10]      netlink_unicast+0x449/0x710
[ 5469.713237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.713237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.713237][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.713237][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.713237][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.713237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.713237][   T10] 
[ 5469.715256][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.715256][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.715256][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.715256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.715256][   T10]      ip6_route_add+0x1c/0x140
[ 5469.715256][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5469.715256][   T10]      addrconf_add_dev+0xe2/0x170
[ 5469.715256][   T10]      inet6_addr_add+0x12f/0xa40
[ 5469.715256][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.715256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.715256][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.715256][   T10]      netlink_unicast+0x449/0x710
[ 5469.715256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.715256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.715256][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.715256][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.715256][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.715256][   T10] 
[ 5469.717250][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.717250][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5469.717250][   T10]      ipv6_find_idev+0x102/0x170
[ 5469.717250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5469.717250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.717250][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.717250][   T10]      netlink_unicast+0x449/0x710
[ 5469.717250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.717250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.717250][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.717250][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.717250][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.717250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.717250][   T10] 
[ 5469.718801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5469.718801][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5469.718801][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5469.718801][   T10]      ipv6_find_idev+0x102/0x170
[ 5469.718801][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5469.718801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.718801][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.718801][   T10]      netlink_unicast+0x449/0x710
[ 5469.718801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.718801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.718801][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.718801][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.718801][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.718801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.718801][   T10] 
[ 5469.720525][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5469.720800][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.720800][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5469.720800][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5469.720800][   T10]      fib6_nh_init+0xa22/0x1580
[ 5469.720800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.720800][   T10]      ip6_route_add+0x1c/0x140
[ 5469.720800][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5469.720800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.720800][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.720800][   T10]      netlink_unicast+0x449/0x710
[ 5469.720800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.720800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.720800][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.720800][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.720800][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.720800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.720800][   T10] 
[ 5469.722711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.722711][   T10]      dst_init+0x84/0x4a0
[ 5469.722711][   T10]      dst_alloc+0x97/0x150
[ 5469.722711][   T10]      ip6_dst_alloc+0x23/0x90
[ 5469.722711][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5469.722711][   T10]      ip6_pol_route+0x56f/0x840
[ 5469.722711][   T10]      fib6_rule_lookup+0x456/0x630
[ 5469.722711][   T10]      ip6_route_input+0x59c/0xa50
[ 5469.722711][   T10]      ipv6_rcv+0x397/0x810
[ 5469.722711][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5469.722711][   T10]      process_backlog+0x101/0x620
[ 5469.722711][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5469.722711][   T10]      net_rx_action+0x495/0xbe0
[ 5469.722711][   T10]      __do_softirq+0x1b5/0x7f6
[ 5469.722711][   T10] 
[ 5469.724319][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.724319][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.724319][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.724319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.724319][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5469.724319][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5469.724319][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5469.724319][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5469.724319][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5469.724319][   T10]      addrconf_dad_begin+0x310/0x670
[ 5469.724319][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5469.724319][   T10]      process_one_work+0x84d/0x18a0
[ 5469.724319][   T10]      worker_thread+0x587/0xd30
[ 5469.724319][   T10]      kthread+0x28a/0x350
[ 5469.724319][   T10]      ret_from_fork+0x31/0x70
[ 5469.724319][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5469.724319][   T10] 
[ 5469.726253][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.726253][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.726253][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.726253][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.726253][   T10]      ip6_route_add+0x1c/0x140
[ 5469.726253][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5469.726253][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5469.726253][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.726253][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.726253][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.726253][   T10]      netlink_unicast+0x449/0x710
[ 5469.726253][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.726253][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.726253][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.726253][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.726253][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.726253][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.726253][   T10] 
[ 5469.728255][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.728255][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.728255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.728255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.728255][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5469.728255][   T10]      ipv6_add_addr+0x411/0x2000
[ 5469.728255][   T10]      inet6_addr_add+0x30e/0xa40
[ 5469.728255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.728255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.728255][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.728255][   T10]      netlink_unicast+0x449/0x710
[ 5469.728255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.728255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.728255][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.728255][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.728255][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.728255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.728255][   T10] 
[ 5469.730223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.730223][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.730223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.730223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.730223][   T10]      ip6_route_add+0x1c/0x140
[ 5469.730223][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5469.730223][   T10]      addrconf_add_dev+0xe2/0x170
[ 5469.730223][   T10]      inet6_addr_add+0x12f/0xa40
[ 5469.730223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.730223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.730223][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.730223][   T10]      netlink_unicast+0x449/0x710
[ 5469.730223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.730223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.730223][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.730223][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.730223][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.730223][   T10] 
[ 5469.732407][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.732407][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5469.732407][   T10]      ipv6_find_idev+0x102/0x170
[ 5469.732407][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5469.732407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.732407][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.732407][   T10]      netlink_unicast+0x449/0x710
[ 5469.732407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.732407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.732407][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.732407][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.732407][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.732407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.732407][   T10] 
[ 5469.734220][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5469.734220][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5469.734220][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5469.734220][   T10]      ipv6_find_idev+0x102/0x170
[ 5469.734220][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5469.734220][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.734220][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.734220][   T10]      netlink_unicast+0x449/0x710
[ 5469.734220][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.734220][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.734220][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.734220][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.734220][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.734220][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.734220][   T10] 
[ 5469.736114][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5469.736366][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5469.736366][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.736366][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.736366][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.736366][   T10]      ip6_route_add+0x1c/0x140
[ 5469.736366][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5469.736366][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5469.736366][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.736366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.736366][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.736366][   T10]      netlink_unicast+0x449/0x710
[ 5469.736366][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.736366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.736366][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.736366][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.736366][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.736366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.736366][   T10] 
[ 5469.738625][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5469.738625][   T10]      netdev_get_by_index+0x5e/0x80
[ 5469.738625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5469.738625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5469.738625][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5469.738625][   T10]      ipv6_add_addr+0x411/0x2000
[ 5469.738625][   T10]      inet6_addr_add+0x30e/0xa40
[ 5469.738625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5469.738625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.738625][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.738625][   T10]      netlink_unicast+0x449/0x710
[ 5469.738625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.738625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.738625][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.738625][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.738625][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.738625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.738625][   T10] 
[ 5469.740890][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5469.740890][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5469.740890][   T10]      ipv6_find_idev+0x102/0x170
[ 5469.740890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5469.740890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.740890][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.740890][   T10]      netlink_unicast+0x449/0x710
[ 5469.740890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.740890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.740890][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.740890][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.740890][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.740890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.740890][   T10] 
[ 5469.742681][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5469.742681][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5469.742681][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5469.742681][   T10]      ipv6_find_idev+0x102/0x170
[ 5469.742681][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5469.742681][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5469.742681][   T10]      netlink_rcv_skb+0x130/0x360
[ 5469.742681][   T10]      netlink_unicast+0x449/0x710
[ 5469.742681][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5469.742681][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5469.742681][   T10]      ___sys_sendmsg+0xee/0x170
[ 5469.742681][   T10]      __sys_sendmsg+0xcd/0x170
[ 5469.742681][   T10]      do_syscall_64+0xc6/0x1e0
[ 5469.742681][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5469.742681][   T10] 
[ 5479.760702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5479.761152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.761152][   T10]      dst_init+0x84/0x4a0
[ 5479.761152][   T10]      dst_alloc+0x97/0x150
[ 5479.761152][   T10]      ip6_dst_alloc+0x23/0x90
[ 5479.761152][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5479.761152][   T10]      ip6_pol_route+0x56f/0x840
[ 5479.761152][   T10]      fib6_rule_lookup+0x456/0x630
[ 5479.761152][   T10]      ip6_route_input+0x59c/0xa50
[ 5479.761152][   T10]      ipv6_rcv+0x397/0x810
[ 5479.761152][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5479.761152][   T10]      process_backlog+0x101/0x620
[ 5479.761152][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5479.761152][   T10]      net_rx_action+0x495/0xbe0
[ 5479.761152][   T10]      __do_softirq+0x1b5/0x7f6
[ 5479.761152][   T10] 
[ 5479.762807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.762807][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5479.762807][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5479.762807][   T10]      fib6_nh_init+0xa22/0x1580
[ 5479.762807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.762807][   T10]      ip6_route_add+0x1c/0x140
[ 5479.762807][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5479.762807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.762807][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.762807][   T10]      netlink_unicast+0x449/0x710
[ 5479.762807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.762807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.762807][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.762807][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.762807][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.762807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.762807][   T10] 
[ 5479.764694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.764694][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.764694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.764694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.764694][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5479.764694][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5479.764694][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5479.764694][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5479.764694][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5479.764694][   T10]      addrconf_dad_begin+0x310/0x670
[ 5479.764694][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5479.764694][   T10]      process_one_work+0x84d/0x18a0
[ 5479.764694][   T10]      worker_thread+0x587/0xd30
[ 5479.764694][   T10]      kthread+0x28a/0x350
[ 5479.764694][   T10]      ret_from_fork+0x31/0x70
[ 5479.764694][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5479.764694][   T10] 
[ 5479.766576][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.766576][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.766576][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.766576][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.766576][   T10]      ip6_route_add+0x1c/0x140
[ 5479.766576][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5479.766576][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5479.766576][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.766576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.766576][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.766576][   T10]      netlink_unicast+0x449/0x710
[ 5479.766576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.766576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.766576][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.766576][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.766576][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.766576][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.766576][   T10] 
[ 5479.768523][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.768523][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.768523][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.768523][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.768523][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5479.768523][   T10]      ipv6_add_addr+0x411/0x2000
[ 5479.768523][   T10]      inet6_addr_add+0x30e/0xa40
[ 5479.768523][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.768523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.768523][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.768523][   T10]      netlink_unicast+0x449/0x710
[ 5479.768523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.768523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.768523][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.768523][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.768523][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.768523][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.768523][   T10] 
[ 5479.770481][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.770481][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.770481][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.770481][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.770481][   T10]      ip6_route_add+0x1c/0x140
[ 5479.770481][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5479.770481][   T10]      addrconf_add_dev+0xe2/0x170
[ 5479.770481][   T10]      inet6_addr_add+0x12f/0xa40
[ 5479.770481][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.770481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.770481][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.770481][   T10]      netlink_unicast+0x449/0x710
[ 5479.770481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.770481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.770481][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.770481][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.770481][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.770481][   T10] 
[ 5479.772393][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.772393][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5479.772393][   T10]      ipv6_find_idev+0x102/0x170
[ 5479.772393][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5479.772393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.772393][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.772393][   T10]      netlink_unicast+0x449/0x710
[ 5479.772393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.772393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.772393][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.772393][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.772393][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.772393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.772393][   T10] 
[ 5479.773892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5479.773892][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5479.773892][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5479.773892][   T10]      ipv6_find_idev+0x102/0x170
[ 5479.773892][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5479.773892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.773892][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.773892][   T10]      netlink_unicast+0x449/0x710
[ 5479.773892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.773892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.773892][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.773892][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.773892][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.773892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.773892][   T10] 
[ 5479.775572][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5479.775825][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.775825][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5479.775825][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5479.775825][   T10]      fib6_nh_init+0xa22/0x1580
[ 5479.775825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.775825][   T10]      ip6_route_add+0x1c/0x140
[ 5479.775825][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5479.775825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.775825][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.775825][   T10]      netlink_unicast+0x449/0x710
[ 5479.775825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.775825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.775825][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.775825][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.775825][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.775825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.775825][   T10] 
[ 5479.777696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.777696][   T10]      dst_init+0x84/0x4a0
[ 5479.777696][   T10]      dst_alloc+0x97/0x150
[ 5479.777696][   T10]      ip6_dst_alloc+0x23/0x90
[ 5479.777696][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5479.777696][   T10]      ip6_pol_route+0x56f/0x840
[ 5479.777696][   T10]      fib6_rule_lookup+0x456/0x630
[ 5479.777696][   T10]      ip6_route_input+0x59c/0xa50
[ 5479.777696][   T10]      ipv6_rcv+0x397/0x810
[ 5479.777696][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5479.777696][   T10]      process_backlog+0x101/0x620
[ 5479.777696][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5479.777696][   T10]      net_rx_action+0x495/0xbe0
[ 5479.777696][   T10]      __do_softirq+0x1b5/0x7f6
[ 5479.777696][   T10] 
[ 5479.779280][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.779280][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.779280][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.779280][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.779280][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5479.779280][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5479.779280][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5479.779280][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5479.779280][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5479.779280][   T10]      addrconf_dad_begin+0x310/0x670
[ 5479.779280][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5479.779280][   T10]      process_one_work+0x84d/0x18a0
[ 5479.779280][   T10]      worker_thread+0x587/0xd30
[ 5479.779280][   T10]      kthread+0x28a/0x350
[ 5479.779280][   T10]      ret_from_fork+0x31/0x70
[ 5479.779280][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5479.779280][   T10] 
[ 5479.781193][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.781193][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.781193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.781193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.781193][   T10]      ip6_route_add+0x1c/0x140
[ 5479.781193][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5479.781193][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5479.781193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.781193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.781193][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.781193][   T10]      netlink_unicast+0x449/0x710
[ 5479.781193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.781193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.781193][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.781193][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.781193][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.781193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.781193][   T10] 
[ 5479.783178][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.783178][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.783178][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.783178][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.783178][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5479.783178][   T10]      ipv6_add_addr+0x411/0x2000
[ 5479.783178][   T10]      inet6_addr_add+0x30e/0xa40
[ 5479.783178][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.783178][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.783178][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.783178][   T10]      netlink_unicast+0x449/0x710
[ 5479.783178][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.783178][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.783178][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.783178][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.783178][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.783178][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.783178][   T10] 
[ 5479.785192][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.785192][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.785192][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.785192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.785192][   T10]      ip6_route_add+0x1c/0x140
[ 5479.785192][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5479.785192][   T10]      addrconf_add_dev+0xe2/0x170
[ 5479.785192][   T10]      inet6_addr_add+0x12f/0xa40
[ 5479.785192][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.785192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.785192][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.785192][   T10]      netlink_unicast+0x449/0x710
[ 5479.785192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.785192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.785192][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.785192][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.785192][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.785192][   T10] 
[ 5479.787277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.787277][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5479.787277][   T10]      ipv6_find_idev+0x102/0x170
[ 5479.787277][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5479.787277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.787277][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.787277][   T10]      netlink_unicast+0x449/0x710
[ 5479.787277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.787277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.787277][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.787277][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.787277][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.787277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.787277][   T10] 
[ 5479.788999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5479.788999][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5479.788999][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5479.788999][   T10]      ipv6_find_idev+0x102/0x170
[ 5479.788999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5479.788999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.788999][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.788999][   T10]      netlink_unicast+0x449/0x710
[ 5479.788999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.788999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.788999][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.788999][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.788999][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.788999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.788999][   T10] 
[ 5479.790929][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5479.791241][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5479.791241][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.791241][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.791241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.791241][   T10]      ip6_route_add+0x1c/0x140
[ 5479.791241][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5479.791241][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5479.791241][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.791241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.791241][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.791241][   T10]      netlink_unicast+0x449/0x710
[ 5479.791241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.791241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.791241][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.791241][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.791241][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.791241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.791241][   T10] 
[ 5479.793410][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5479.793410][   T10]      netdev_get_by_index+0x5e/0x80
[ 5479.793410][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5479.793410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5479.793410][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5479.793410][   T10]      ipv6_add_addr+0x411/0x2000
[ 5479.793410][   T10]      inet6_addr_add+0x30e/0xa40
[ 5479.793410][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5479.793410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.793410][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.793410][   T10]      netlink_unicast+0x449/0x710
[ 5479.793410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.793410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.793410][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.793410][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.793410][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.793410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.793410][   T10] 
[ 5479.795586][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5479.795586][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5479.795586][   T10]      ipv6_find_idev+0x102/0x170
[ 5479.795586][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5479.795586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.795586][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.795586][   T10]      netlink_unicast+0x449/0x710
[ 5479.795586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.795586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.795586][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.795586][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.795586][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.795586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.795586][   T10] 
[ 5479.797300][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5479.797300][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5479.797300][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5479.797300][   T10]      ipv6_find_idev+0x102/0x170
[ 5479.797300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5479.797300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5479.797300][   T10]      netlink_rcv_skb+0x130/0x360
[ 5479.797300][   T10]      netlink_unicast+0x449/0x710
[ 5479.797300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5479.797300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5479.797300][   T10]      ___sys_sendmsg+0xee/0x170
[ 5479.797300][   T10]      __sys_sendmsg+0xcd/0x170
[ 5479.797300][   T10]      do_syscall_64+0xc6/0x1e0
[ 5479.797300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5479.797300][   T10] 
[ 5490.040693][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5490.041145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.041145][   T10]      dst_init+0x84/0x4a0
[ 5490.041145][   T10]      dst_alloc+0x97/0x150
[ 5490.041145][   T10]      ip6_dst_alloc+0x23/0x90
[ 5490.041145][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5490.041145][   T10]      ip6_pol_route+0x56f/0x840
[ 5490.041145][   T10]      fib6_rule_lookup+0x456/0x630
[ 5490.041145][   T10]      ip6_route_input+0x59c/0xa50
[ 5490.041145][   T10]      ipv6_rcv+0x397/0x810
[ 5490.041145][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5490.041145][   T10]      process_backlog+0x101/0x620
[ 5490.041145][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5490.041145][   T10]      net_rx_action+0x495/0xbe0
[ 5490.041145][   T10]      __do_softirq+0x1b5/0x7f6
[ 5490.041145][   T10] 
[ 5490.042805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.042805][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5490.042805][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5490.042805][   T10]      fib6_nh_init+0xa22/0x1580
[ 5490.042805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.042805][   T10]      ip6_route_add+0x1c/0x140
[ 5490.042805][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5490.042805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.042805][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.042805][   T10]      netlink_unicast+0x449/0x710
[ 5490.042805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.042805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.042805][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.042805][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.042805][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.042805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.042805][   T10] 
[ 5490.044651][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.044651][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.044651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.044651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.044651][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5490.044651][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5490.044651][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5490.044651][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5490.044651][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5490.044651][   T10]      addrconf_dad_begin+0x310/0x670
[ 5490.044651][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5490.044651][   T10]      process_one_work+0x84d/0x18a0
[ 5490.044651][   T10]      worker_thread+0x587/0xd30
[ 5490.044651][   T10]      kthread+0x28a/0x350
[ 5490.044651][   T10]      ret_from_fork+0x31/0x70
[ 5490.044651][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5490.044651][   T10] 
[ 5490.046552][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.046552][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.046552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.046552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.046552][   T10]      ip6_route_add+0x1c/0x140
[ 5490.046552][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5490.046552][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5490.046552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.046552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.046552][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.046552][   T10]      netlink_unicast+0x449/0x710
[ 5490.046552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.046552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.046552][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.046552][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.046552][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.046552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.046552][   T10] 
[ 5490.048542][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.048542][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.048542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.048542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.048542][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5490.048542][   T10]      ipv6_add_addr+0x411/0x2000
[ 5490.048542][   T10]      inet6_addr_add+0x30e/0xa40
[ 5490.048542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.048542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.048542][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.048542][   T10]      netlink_unicast+0x449/0x710
[ 5490.048542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.048542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.048542][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.048542][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.048542][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.048542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.048542][   T10] 
[ 5490.050556][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.050556][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.050556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.050556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.050556][   T10]      ip6_route_add+0x1c/0x140
[ 5490.050556][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5490.050556][   T10]      addrconf_add_dev+0xe2/0x170
[ 5490.050556][   T10]      inet6_addr_add+0x12f/0xa40
[ 5490.050556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.050556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.050556][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.050556][   T10]      netlink_unicast+0x449/0x710
[ 5490.050556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.050556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.050556][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.050556][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.050556][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.050556][   T10] 
[ 5490.052526][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.052526][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5490.052526][   T10]      ipv6_find_idev+0x102/0x170
[ 5490.052526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5490.052526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.052526][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.052526][   T10]      netlink_unicast+0x449/0x710
[ 5490.052526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.052526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.052526][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.052526][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.052526][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.052526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.052526][   T10] 
[ 5490.054060][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5490.054060][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5490.054060][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5490.054060][   T10]      ipv6_find_idev+0x102/0x170
[ 5490.054060][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5490.054060][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.054060][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.054060][   T10]      netlink_unicast+0x449/0x710
[ 5490.054060][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.054060][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.054060][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.054060][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.054060][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.054060][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.054060][   T10] 
[ 5490.055744][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5490.055985][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.055985][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5490.055985][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5490.055985][   T10]      fib6_nh_init+0xa22/0x1580
[ 5490.055985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.055985][   T10]      ip6_route_add+0x1c/0x140
[ 5490.055985][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5490.055985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.055985][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.055985][   T10]      netlink_unicast+0x449/0x710
[ 5490.055985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.055985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.055985][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.055985][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.055985][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.055985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.055985][   T10] 
[ 5490.057867][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.057867][   T10]      dst_init+0x84/0x4a0
[ 5490.057867][   T10]      dst_alloc+0x97/0x150
[ 5490.057867][   T10]      ip6_dst_alloc+0x23/0x90
[ 5490.057867][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5490.057867][   T10]      ip6_pol_route+0x56f/0x840
[ 5490.057867][   T10]      fib6_rule_lookup+0x456/0x630
[ 5490.057867][   T10]      ip6_route_input+0x59c/0xa50
[ 5490.057867][   T10]      ipv6_rcv+0x397/0x810
[ 5490.057867][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5490.057867][   T10]      process_backlog+0x101/0x620
[ 5490.057867][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5490.057867][   T10]      net_rx_action+0x495/0xbe0
[ 5490.057867][   T10]      __do_softirq+0x1b5/0x7f6
[ 5490.057867][   T10] 
[ 5490.059496][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.059496][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.059496][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.059496][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.059496][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5490.059496][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5490.059496][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5490.059496][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5490.059496][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5490.059496][   T10]      addrconf_dad_begin+0x310/0x670
[ 5490.059496][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5490.059496][   T10]      process_one_work+0x84d/0x18a0
[ 5490.059496][   T10]      worker_thread+0x587/0xd30
[ 5490.059496][   T10]      kthread+0x28a/0x350
[ 5490.059496][   T10]      ret_from_fork+0x31/0x70
[ 5490.059496][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5490.059496][   T10] 
[ 5490.061420][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.061420][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.061420][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.061420][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.061420][   T10]      ip6_route_add+0x1c/0x140
[ 5490.061420][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5490.061420][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5490.061420][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.061420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.061420][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.061420][   T10]      netlink_unicast+0x449/0x710
[ 5490.061420][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.061420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.061420][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.061420][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.061420][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.061420][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.061420][   T10] 
[ 5490.063414][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.063414][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.063414][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.063414][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.063414][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5490.063414][   T10]      ipv6_add_addr+0x411/0x2000
[ 5490.063414][   T10]      inet6_addr_add+0x30e/0xa40
[ 5490.063414][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.063414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.063414][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.063414][   T10]      netlink_unicast+0x449/0x710
[ 5490.063414][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.063414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.063414][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.063414][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.063414][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.063414][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.063414][   T10] 
[ 5490.065408][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.065408][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.065408][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.065408][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.065408][   T10]      ip6_route_add+0x1c/0x140
[ 5490.065408][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5490.065408][   T10]      addrconf_add_dev+0xe2/0x170
[ 5490.065408][   T10]      inet6_addr_add+0x12f/0xa40
[ 5490.065408][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.065408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.065408][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.065408][   T10]      netlink_unicast+0x449/0x710
[ 5490.065408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.065408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.065408][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.065408][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.065408][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.065408][   T10] 
[ 5490.067490][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.067490][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5490.067490][   T10]      ipv6_find_idev+0x102/0x170
[ 5490.067490][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5490.067490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.067490][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.067490][   T10]      netlink_unicast+0x449/0x710
[ 5490.067490][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.067490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.067490][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.067490][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.067490][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.067490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.067490][   T10] 
[ 5490.069266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5490.069266][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5490.069266][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5490.069266][   T10]      ipv6_find_idev+0x102/0x170
[ 5490.069266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5490.069266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.069266][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.069266][   T10]      netlink_unicast+0x449/0x710
[ 5490.069266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.069266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.069266][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.069266][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.069266][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.069266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.069266][   T10] 
[ 5490.071133][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5490.071447][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5490.071447][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.071447][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.071447][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.071447][   T10]      ip6_route_add+0x1c/0x140
[ 5490.071447][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5490.071447][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5490.071447][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.071447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.071447][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.071447][   T10]      netlink_unicast+0x449/0x710
[ 5490.071447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.071447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.071447][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.071447][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.071447][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.071447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.071447][   T10] 
[ 5490.073624][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5490.073624][   T10]      netdev_get_by_index+0x5e/0x80
[ 5490.073624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5490.073624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5490.073624][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5490.073624][   T10]      ipv6_add_addr+0x411/0x2000
[ 5490.073624][   T10]      inet6_addr_add+0x30e/0xa40
[ 5490.073624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5490.073624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.073624][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.073624][   T10]      netlink_unicast+0x449/0x710
[ 5490.073624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.073624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.073624][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.073624][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.073624][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.073624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.073624][   T10] 
[ 5490.075796][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5490.075796][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5490.075796][   T10]      ipv6_find_idev+0x102/0x170
[ 5490.075796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5490.075796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.075796][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.075796][   T10]      netlink_unicast+0x449/0x710
[ 5490.075796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.075796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.075796][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.075796][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.075796][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.075796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.075796][   T10] 
[ 5490.077525][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5490.077525][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5490.077525][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5490.077525][   T10]      ipv6_find_idev+0x102/0x170
[ 5490.077525][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5490.077525][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5490.077525][   T10]      netlink_rcv_skb+0x130/0x360
[ 5490.077525][   T10]      netlink_unicast+0x449/0x710
[ 5490.077525][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5490.077525][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5490.077525][   T10]      ___sys_sendmsg+0xee/0x170
[ 5490.077525][   T10]      __sys_sendmsg+0xcd/0x170
[ 5490.077525][   T10]      do_syscall_64+0xc6/0x1e0
[ 5490.077525][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5490.077525][   T10] 
[ 5500.272662][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5500.273132][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.273132][   T10]      dst_init+0x84/0x4a0
[ 5500.273132][   T10]      dst_alloc+0x97/0x150
[ 5500.273132][   T10]      ip6_dst_alloc+0x23/0x90
[ 5500.273132][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5500.273132][   T10]      ip6_pol_route+0x56f/0x840
[ 5500.273132][   T10]      fib6_rule_lookup+0x456/0x630
[ 5500.273132][   T10]      ip6_route_input+0x59c/0xa50
[ 5500.273132][   T10]      ipv6_rcv+0x397/0x810
[ 5500.273132][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5500.273132][   T10]      process_backlog+0x101/0x620
[ 5500.273132][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5500.273132][   T10]      net_rx_action+0x495/0xbe0
[ 5500.273132][   T10]      __do_softirq+0x1b5/0x7f6
[ 5500.273132][   T10] 
[ 5500.274825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.274825][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5500.274825][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5500.274825][   T10]      fib6_nh_init+0xa22/0x1580
[ 5500.274825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.274825][   T10]      ip6_route_add+0x1c/0x140
[ 5500.274825][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5500.274825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.274825][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.274825][   T10]      netlink_unicast+0x449/0x710
[ 5500.274825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.274825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.274825][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.274825][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.274825][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.274825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.274825][   T10] 
[ 5500.276718][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.276718][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.276718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.276718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.276718][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5500.276718][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5500.276718][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5500.276718][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5500.276718][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5500.276718][   T10]      addrconf_dad_begin+0x310/0x670
[ 5500.276718][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5500.276718][   T10]      process_one_work+0x84d/0x18a0
[ 5500.276718][   T10]      worker_thread+0x587/0xd30
[ 5500.276718][   T10]      kthread+0x28a/0x350
[ 5500.276718][   T10]      ret_from_fork+0x31/0x70
[ 5500.276718][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5500.276718][   T10] 
[ 5500.278648][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.278648][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.278648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.278648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.278648][   T10]      ip6_route_add+0x1c/0x140
[ 5500.278648][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5500.278648][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5500.278648][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.278648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.278648][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.278648][   T10]      netlink_unicast+0x449/0x710
[ 5500.278648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.278648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.278648][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.278648][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.278648][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.278648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.278648][   T10] 
[ 5500.280682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.280682][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.280682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.280682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.280682][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5500.280682][   T10]      ipv6_add_addr+0x411/0x2000
[ 5500.280682][   T10]      inet6_addr_add+0x30e/0xa40
[ 5500.280682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.280682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.280682][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.280682][   T10]      netlink_unicast+0x449/0x710
[ 5500.280682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.280682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.280682][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.280682][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.280682][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.280682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.280682][   T10] 
[ 5500.282722][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.282722][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.282722][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.282722][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.282722][   T10]      ip6_route_add+0x1c/0x140
[ 5500.282722][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5500.282722][   T10]      addrconf_add_dev+0xe2/0x170
[ 5500.282722][   T10]      inet6_addr_add+0x12f/0xa40
[ 5500.282722][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.282722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.282722][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.282722][   T10]      netlink_unicast+0x449/0x710
[ 5500.282722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.282722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.282722][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.282722][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.282722][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.282722][   T10] 
[ 5500.284727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.284727][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5500.284727][   T10]      ipv6_find_idev+0x102/0x170
[ 5500.284727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5500.284727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.284727][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.284727][   T10]      netlink_unicast+0x449/0x710
[ 5500.284727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.284727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.284727][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.284727][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.284727][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.284727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.284727][   T10] 
[ 5500.286382][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5500.286382][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5500.286382][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5500.286382][   T10]      ipv6_find_idev+0x102/0x170
[ 5500.286382][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5500.286382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.286382][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.286382][   T10]      netlink_unicast+0x449/0x710
[ 5500.286382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.286382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.286382][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.286382][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.286382][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.286382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.286382][   T10] 
[ 5500.288143][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5500.288392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.288392][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5500.288392][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5500.288392][   T10]      fib6_nh_init+0xa22/0x1580
[ 5500.288392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.288392][   T10]      ip6_route_add+0x1c/0x140
[ 5500.288392][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5500.288392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.288392][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.288392][   T10]      netlink_unicast+0x449/0x710
[ 5500.288392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.288392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.288392][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.288392][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.288392][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.288392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.288392][   T10] 
[ 5500.290319][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.290319][   T10]      dst_init+0x84/0x4a0
[ 5500.290319][   T10]      dst_alloc+0x97/0x150
[ 5500.290319][   T10]      ip6_dst_alloc+0x23/0x90
[ 5500.290319][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5500.290319][   T10]      ip6_pol_route+0x56f/0x840
[ 5500.290319][   T10]      fib6_rule_lookup+0x456/0x630
[ 5500.290319][   T10]      ip6_route_input+0x59c/0xa50
[ 5500.290319][   T10]      ipv6_rcv+0x397/0x810
[ 5500.290319][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5500.290319][   T10]      process_backlog+0x101/0x620
[ 5500.290319][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5500.290319][   T10]      net_rx_action+0x495/0xbe0
[ 5500.290319][   T10]      __do_softirq+0x1b5/0x7f6
[ 5500.290319][   T10] 
[ 5500.292010][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.292010][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.292010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.292010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.292010][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5500.292010][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5500.292010][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5500.292010][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5500.292010][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5500.292010][   T10]      addrconf_dad_begin+0x310/0x670
[ 5500.292010][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5500.292010][   T10]      process_one_work+0x84d/0x18a0
[ 5500.292010][   T10]      worker_thread+0x587/0xd30
[ 5500.292010][   T10]      kthread+0x28a/0x350
[ 5500.292010][   T10]      ret_from_fork+0x31/0x70
[ 5500.292010][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5500.292010][   T10] 
[ 5500.294027][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.294027][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.294027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.294027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.294027][   T10]      ip6_route_add+0x1c/0x140
[ 5500.294027][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5500.294027][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5500.294027][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.294027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.294027][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.294027][   T10]      netlink_unicast+0x449/0x710
[ 5500.294027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.294027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.294027][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.294027][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.294027][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.294027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.294027][   T10] 
[ 5500.296152][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.296152][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.296152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.296152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.296152][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5500.296152][   T10]      ipv6_add_addr+0x411/0x2000
[ 5500.296152][   T10]      inet6_addr_add+0x30e/0xa40
[ 5500.296152][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.296152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.296152][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.296152][   T10]      netlink_unicast+0x449/0x710
[ 5500.296152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.296152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.296152][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.296152][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.296152][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.296152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.296152][   T10] 
[ 5500.298157][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.298157][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.298157][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.298157][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.298157][   T10]      ip6_route_add+0x1c/0x140
[ 5500.298157][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5500.298157][   T10]      addrconf_add_dev+0xe2/0x170
[ 5500.298157][   T10]      inet6_addr_add+0x12f/0xa40
[ 5500.298157][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.298157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.298157][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.298157][   T10]      netlink_unicast+0x449/0x710
[ 5500.298157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.298157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.298157][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.298157][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.298157][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.298157][   T10] 
[ 5500.300360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.300360][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5500.300360][   T10]      ipv6_find_idev+0x102/0x170
[ 5500.300360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5500.300360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.300360][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.300360][   T10]      netlink_unicast+0x449/0x710
[ 5500.300360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.300360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.300360][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.300360][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.300360][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.300360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.300360][   T10] 
[ 5500.302144][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5500.302144][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5500.302144][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5500.302144][   T10]      ipv6_find_idev+0x102/0x170
[ 5500.302144][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5500.302144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.302144][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.302144][   T10]      netlink_unicast+0x449/0x710
[ 5500.302144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.302144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.302144][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.302144][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.302144][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.302144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.302144][   T10] 
[ 5500.304219][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5500.304534][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5500.304534][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.304534][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.304534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.304534][   T10]      ip6_route_add+0x1c/0x140
[ 5500.304534][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5500.304534][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5500.304534][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.304534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.304534][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.304534][   T10]      netlink_unicast+0x449/0x710
[ 5500.304534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.304534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.304534][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.304534][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.304534][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.304534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.304534][   T10] 
[ 5500.306899][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5500.306899][   T10]      netdev_get_by_index+0x5e/0x80
[ 5500.306899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5500.306899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5500.306899][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5500.306899][   T10]      ipv6_add_addr+0x411/0x2000
[ 5500.306899][   T10]      inet6_addr_add+0x30e/0xa40
[ 5500.306899][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5500.306899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.306899][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.306899][   T10]      netlink_unicast+0x449/0x710
[ 5500.306899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.306899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.306899][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.306899][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.306899][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.306899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.306899][   T10] 
[ 5500.309126][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5500.309126][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5500.309126][   T10]      ipv6_find_idev+0x102/0x170
[ 5500.309126][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5500.309126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.309126][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.309126][   T10]      netlink_unicast+0x449/0x710
[ 5500.309126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.309126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.309126][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.309126][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.309126][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.309126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.309126][   T10] 
[ 5500.311786][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5500.311786][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5500.311786][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5500.311786][   T10]      ipv6_find_idev+0x102/0x170
[ 5500.311786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5500.311786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5500.311786][   T10]      netlink_rcv_skb+0x130/0x360
[ 5500.311786][   T10]      netlink_unicast+0x449/0x710
[ 5500.311786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5500.311786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5500.311786][   T10]      ___sys_sendmsg+0xee/0x170
[ 5500.311786][   T10]      __sys_sendmsg+0xcd/0x170
[ 5500.311786][   T10]      do_syscall_64+0xc6/0x1e0
[ 5500.311786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5500.311786][   T10] 
[ 5510.552701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5510.553142][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.553142][   T10]      dst_init+0x84/0x4a0
[ 5510.553142][   T10]      dst_alloc+0x97/0x150
[ 5510.553142][   T10]      ip6_dst_alloc+0x23/0x90
[ 5510.553142][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5510.553142][   T10]      ip6_pol_route+0x56f/0x840
[ 5510.553142][   T10]      fib6_rule_lookup+0x456/0x630
[ 5510.553142][   T10]      ip6_route_input+0x59c/0xa50
[ 5510.553142][   T10]      ipv6_rcv+0x397/0x810
[ 5510.553142][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5510.553142][   T10]      process_backlog+0x101/0x620
[ 5510.553142][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5510.553142][   T10]      net_rx_action+0x495/0xbe0
[ 5510.553142][   T10]      __do_softirq+0x1b5/0x7f6
[ 5510.553142][   T10] 
[ 5510.554782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.554782][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5510.554782][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5510.554782][   T10]      fib6_nh_init+0xa22/0x1580
[ 5510.554782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.554782][   T10]      ip6_route_add+0x1c/0x140
[ 5510.554782][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5510.554782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.554782][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.554782][   T10]      netlink_unicast+0x449/0x710
[ 5510.554782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.554782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.554782][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.554782][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.554782][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.554782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.554782][   T10] 
[ 5510.556680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.556680][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.556680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.556680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.556680][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5510.556680][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5510.556680][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5510.556680][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5510.556680][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5510.556680][   T10]      addrconf_dad_begin+0x310/0x670
[ 5510.556680][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5510.556680][   T10]      process_one_work+0x84d/0x18a0
[ 5510.556680][   T10]      worker_thread+0x587/0xd30
[ 5510.556680][   T10]      kthread+0x28a/0x350
[ 5510.556680][   T10]      ret_from_fork+0x31/0x70
[ 5510.556680][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5510.556680][   T10] 
[ 5510.558572][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.558572][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.558572][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.558572][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.558572][   T10]      ip6_route_add+0x1c/0x140
[ 5510.558572][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5510.558572][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5510.558572][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.558572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.558572][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.558572][   T10]      netlink_unicast+0x449/0x710
[ 5510.558572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.558572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.558572][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.558572][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.558572][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.558572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.558572][   T10] 
[ 5510.560596][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.560596][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.560596][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.560596][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.560596][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5510.560596][   T10]      ipv6_add_addr+0x411/0x2000
[ 5510.560596][   T10]      inet6_addr_add+0x30e/0xa40
[ 5510.560596][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.560596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.560596][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.560596][   T10]      netlink_unicast+0x449/0x710
[ 5510.560596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.560596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.560596][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.560596][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.560596][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.560596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.560596][   T10] 
[ 5510.562592][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.562592][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.562592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.562592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.562592][   T10]      ip6_route_add+0x1c/0x140
[ 5510.562592][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5510.562592][   T10]      addrconf_add_dev+0xe2/0x170
[ 5510.562592][   T10]      inet6_addr_add+0x12f/0xa40
[ 5510.562592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.562592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.562592][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.562592][   T10]      netlink_unicast+0x449/0x710
[ 5510.562592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.562592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.562592][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.562592][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.562592][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.562592][   T10] 
[ 5510.564502][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.564502][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5510.564502][   T10]      ipv6_find_idev+0x102/0x170
[ 5510.564502][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5510.564502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.564502][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.564502][   T10]      netlink_unicast+0x449/0x710
[ 5510.564502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.564502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.564502][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.564502][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.564502][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.564502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.564502][   T10] 
[ 5510.565998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5510.565998][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5510.565998][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5510.565998][   T10]      ipv6_find_idev+0x102/0x170
[ 5510.565998][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5510.565998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.565998][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.565998][   T10]      netlink_unicast+0x449/0x710
[ 5510.565998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.565998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.565998][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.565998][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.565998][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.565998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.565998][   T10] 
[ 5510.567684][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5510.567920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.567920][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5510.567920][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5510.567920][   T10]      fib6_nh_init+0xa22/0x1580
[ 5510.567920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.567920][   T10]      ip6_route_add+0x1c/0x140
[ 5510.567920][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5510.567920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.567920][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.567920][   T10]      netlink_unicast+0x449/0x710
[ 5510.567920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.567920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.567920][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.567920][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.567920][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.567920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.567920][   T10] 
[ 5510.569795][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.569795][   T10]      dst_init+0x84/0x4a0
[ 5510.569795][   T10]      dst_alloc+0x97/0x150
[ 5510.569795][   T10]      ip6_dst_alloc+0x23/0x90
[ 5510.569795][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5510.569795][   T10]      ip6_pol_route+0x56f/0x840
[ 5510.569795][   T10]      fib6_rule_lookup+0x456/0x630
[ 5510.569795][   T10]      ip6_route_input+0x59c/0xa50
[ 5510.569795][   T10]      ipv6_rcv+0x397/0x810
[ 5510.569795][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5510.569795][   T10]      process_backlog+0x101/0x620
[ 5510.569795][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5510.569795][   T10]      net_rx_action+0x495/0xbe0
[ 5510.569795][   T10]      __do_softirq+0x1b5/0x7f6
[ 5510.569795][   T10] 
[ 5510.571426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.571426][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.571426][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.571426][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.571426][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5510.571426][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5510.571426][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5510.571426][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5510.571426][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5510.571426][   T10]      addrconf_dad_begin+0x310/0x670
[ 5510.571426][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5510.571426][   T10]      process_one_work+0x84d/0x18a0
[ 5510.571426][   T10]      worker_thread+0x587/0xd30
[ 5510.571426][   T10]      kthread+0x28a/0x350
[ 5510.571426][   T10]      ret_from_fork+0x31/0x70
[ 5510.571426][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5510.571426][   T10] 
[ 5510.573320][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.573320][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.573320][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.573320][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.573320][   T10]      ip6_route_add+0x1c/0x140
[ 5510.573320][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5510.573320][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5510.573320][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.573320][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.573320][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.573320][   T10]      netlink_unicast+0x449/0x710
[ 5510.573320][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.573320][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.573320][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.573320][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.573320][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.573320][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.573320][   T10] 
[ 5510.575288][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.575288][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.575288][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.575288][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.575288][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5510.575288][   T10]      ipv6_add_addr+0x411/0x2000
[ 5510.575288][   T10]      inet6_addr_add+0x30e/0xa40
[ 5510.575288][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.575288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.575288][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.575288][   T10]      netlink_unicast+0x449/0x710
[ 5510.575288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.575288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.575288][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.575288][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.575288][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.575288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.575288][   T10] 
[ 5510.577413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.577413][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.577413][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.577413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.577413][   T10]      ip6_route_add+0x1c/0x140
[ 5510.577413][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5510.577413][   T10]      addrconf_add_dev+0xe2/0x170
[ 5510.577413][   T10]      inet6_addr_add+0x12f/0xa40
[ 5510.577413][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.577413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.577413][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.577413][   T10]      netlink_unicast+0x449/0x710
[ 5510.577413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.577413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.577413][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.577413][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.577413][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.577413][   T10] 
[ 5510.579501][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.579501][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5510.579501][   T10]      ipv6_find_idev+0x102/0x170
[ 5510.579501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5510.579501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.579501][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.579501][   T10]      netlink_unicast+0x449/0x710
[ 5510.579501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.579501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.579501][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.579501][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.579501][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.579501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.579501][   T10] 
[ 5510.581289][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5510.581289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5510.581289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5510.581289][   T10]      ipv6_find_idev+0x102/0x170
[ 5510.581289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5510.581289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.581289][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.581289][   T10]      netlink_unicast+0x449/0x710
[ 5510.581289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.581289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.581289][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.581289][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.581289][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.581289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.581289][   T10] 
[ 5510.583152][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5510.583461][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5510.583461][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.583461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.583461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.583461][   T10]      ip6_route_add+0x1c/0x140
[ 5510.583461][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5510.583461][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5510.583461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.583461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.583461][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.583461][   T10]      netlink_unicast+0x449/0x710
[ 5510.583461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.583461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.583461][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.583461][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.583461][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.583461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.583461][   T10] 
[ 5510.585636][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5510.585636][   T10]      netdev_get_by_index+0x5e/0x80
[ 5510.585636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5510.585636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5510.585636][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5510.585636][   T10]      ipv6_add_addr+0x411/0x2000
[ 5510.585636][   T10]      inet6_addr_add+0x30e/0xa40
[ 5510.585636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5510.585636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.585636][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.585636][   T10]      netlink_unicast+0x449/0x710
[ 5510.585636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.585636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.585636][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.585636][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.585636][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.585636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.585636][   T10] 
[ 5510.587809][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5510.587809][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5510.587809][   T10]      ipv6_find_idev+0x102/0x170
[ 5510.587809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5510.587809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.587809][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.587809][   T10]      netlink_unicast+0x449/0x710
[ 5510.587809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.587809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.587809][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.587809][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.587809][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.587809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.587809][   T10] 
[ 5510.589519][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5510.589519][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5510.589519][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5510.589519][   T10]      ipv6_find_idev+0x102/0x170
[ 5510.589519][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5510.589519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5510.589519][   T10]      netlink_rcv_skb+0x130/0x360
[ 5510.589519][   T10]      netlink_unicast+0x449/0x710
[ 5510.589519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5510.589519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5510.589519][   T10]      ___sys_sendmsg+0xee/0x170
[ 5510.589519][   T10]      __sys_sendmsg+0xcd/0x170
[ 5510.589519][   T10]      do_syscall_64+0xc6/0x1e0
[ 5510.589519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5510.589519][   T10] 
[ 5520.843705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5520.844164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.844164][   T10]      dst_init+0x84/0x4a0
[ 5520.844164][   T10]      dst_alloc+0x97/0x150
[ 5520.844164][   T10]      ip6_dst_alloc+0x23/0x90
[ 5520.844164][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5520.844164][   T10]      ip6_pol_route+0x56f/0x840
[ 5520.844164][   T10]      fib6_rule_lookup+0x456/0x630
[ 5520.844164][   T10]      ip6_route_input+0x59c/0xa50
[ 5520.844164][   T10]      ipv6_rcv+0x397/0x810
[ 5520.844164][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5520.844164][   T10]      process_backlog+0x101/0x620
[ 5520.844164][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5520.844164][   T10]      net_rx_action+0x495/0xbe0
[ 5520.844164][   T10]      __do_softirq+0x1b5/0x7f6
[ 5520.844164][   T10] 
[ 5520.845846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.845846][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5520.845846][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5520.845846][   T10]      fib6_nh_init+0xa22/0x1580
[ 5520.845846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.845846][   T10]      ip6_route_add+0x1c/0x140
[ 5520.845846][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5520.845846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.845846][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.845846][   T10]      netlink_unicast+0x449/0x710
[ 5520.845846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.845846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.845846][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.845846][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.845846][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.845846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.845846][   T10] 
[ 5520.847719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.847719][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.847719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.847719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.847719][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5520.847719][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5520.847719][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5520.847719][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5520.847719][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5520.847719][   T10]      addrconf_dad_begin+0x310/0x670
[ 5520.847719][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5520.847719][   T10]      process_one_work+0x84d/0x18a0
[ 5520.847719][   T10]      worker_thread+0x587/0xd30
[ 5520.847719][   T10]      kthread+0x28a/0x350
[ 5520.847719][   T10]      ret_from_fork+0x31/0x70
[ 5520.847719][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5520.847719][   T10] 
[ 5520.849632][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.849632][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.849632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.849632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.849632][   T10]      ip6_route_add+0x1c/0x140
[ 5520.849632][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5520.849632][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5520.849632][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.849632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.849632][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.849632][   T10]      netlink_unicast+0x449/0x710
[ 5520.849632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.849632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.849632][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.849632][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.849632][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.849632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.849632][   T10] 
[ 5520.851671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.851671][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.851671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.851671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.851671][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5520.851671][   T10]      ipv6_add_addr+0x411/0x2000
[ 5520.851671][   T10]      inet6_addr_add+0x30e/0xa40
[ 5520.851671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.851671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.851671][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.851671][   T10]      netlink_unicast+0x449/0x710
[ 5520.851671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.851671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.851671][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.851671][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.851671][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.851671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.851671][   T10] 
[ 5520.853677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.853677][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.853677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.853677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.853677][   T10]      ip6_route_add+0x1c/0x140
[ 5520.853677][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5520.853677][   T10]      addrconf_add_dev+0xe2/0x170
[ 5520.853677][   T10]      inet6_addr_add+0x12f/0xa40
[ 5520.853677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.853677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.853677][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.853677][   T10]      netlink_unicast+0x449/0x710
[ 5520.853677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.853677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.853677][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.853677][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.853677][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.853677][   T10] 
[ 5520.855641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.855641][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5520.855641][   T10]      ipv6_find_idev+0x102/0x170
[ 5520.855641][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5520.855641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.855641][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.855641][   T10]      netlink_unicast+0x449/0x710
[ 5520.855641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.855641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.855641][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.855641][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.855641][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.855641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.855641][   T10] 
[ 5520.857179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5520.857179][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5520.857179][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5520.857179][   T10]      ipv6_find_idev+0x102/0x170
[ 5520.857179][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5520.857179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.857179][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.857179][   T10]      netlink_unicast+0x449/0x710
[ 5520.857179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.857179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.857179][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.857179][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.857179][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.857179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.857179][   T10] 
[ 5520.858887][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5520.859127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.859127][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5520.859127][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5520.859127][   T10]      fib6_nh_init+0xa22/0x1580
[ 5520.859127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.859127][   T10]      ip6_route_add+0x1c/0x140
[ 5520.859127][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5520.859127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.859127][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.859127][   T10]      netlink_unicast+0x449/0x710
[ 5520.859127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.859127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.859127][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.859127][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.859127][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.859127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.859127][   T10] 
[ 5520.861014][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.861014][   T10]      dst_init+0x84/0x4a0
[ 5520.861014][   T10]      dst_alloc+0x97/0x150
[ 5520.861014][   T10]      ip6_dst_alloc+0x23/0x90
[ 5520.861014][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5520.861014][   T10]      ip6_pol_route+0x56f/0x840
[ 5520.861014][   T10]      fib6_rule_lookup+0x456/0x630
[ 5520.861014][   T10]      ip6_route_input+0x59c/0xa50
[ 5520.861014][   T10]      ipv6_rcv+0x397/0x810
[ 5520.861014][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5520.861014][   T10]      process_backlog+0x101/0x620
[ 5520.861014][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5520.861014][   T10]      net_rx_action+0x495/0xbe0
[ 5520.861014][   T10]      __do_softirq+0x1b5/0x7f6
[ 5520.861014][   T10] 
[ 5520.862645][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.862645][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.862645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.862645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.862645][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5520.862645][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5520.862645][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5520.862645][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5520.862645][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5520.862645][   T10]      addrconf_dad_begin+0x310/0x670
[ 5520.862645][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5520.862645][   T10]      process_one_work+0x84d/0x18a0
[ 5520.862645][   T10]      worker_thread+0x587/0xd30
[ 5520.862645][   T10]      kthread+0x28a/0x350
[ 5520.862645][   T10]      ret_from_fork+0x31/0x70
[ 5520.862645][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5520.862645][   T10] 
[ 5520.864560][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.864560][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.864560][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.864560][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.864560][   T10]      ip6_route_add+0x1c/0x140
[ 5520.864560][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5520.864560][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5520.864560][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.864560][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.864560][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.864560][   T10]      netlink_unicast+0x449/0x710
[ 5520.864560][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.864560][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.864560][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.864560][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.864560][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.864560][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.864560][   T10] 
[ 5520.866558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.866558][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.866558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.866558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.866558][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5520.866558][   T10]      ipv6_add_addr+0x411/0x2000
[ 5520.866558][   T10]      inet6_addr_add+0x30e/0xa40
[ 5520.866558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.866558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.866558][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.866558][   T10]      netlink_unicast+0x449/0x710
[ 5520.866558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.866558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.866558][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.866558][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.866558][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.866558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.866558][   T10] 
[ 5520.868546][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.868546][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.868546][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.868546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.868546][   T10]      ip6_route_add+0x1c/0x140
[ 5520.868546][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5520.868546][   T10]      addrconf_add_dev+0xe2/0x170
[ 5520.868546][   T10]      inet6_addr_add+0x12f/0xa40
[ 5520.868546][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.868546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.868546][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.868546][   T10]      netlink_unicast+0x449/0x710
[ 5520.868546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.868546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.868546][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.868546][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.868546][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.868546][   T10] 
[ 5520.870636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.870636][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5520.870636][   T10]      ipv6_find_idev+0x102/0x170
[ 5520.870636][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5520.870636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.870636][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.870636][   T10]      netlink_unicast+0x449/0x710
[ 5520.870636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.870636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.870636][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.870636][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.870636][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.870636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.870636][   T10] 
[ 5520.872354][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5520.872354][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5520.872354][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5520.872354][   T10]      ipv6_find_idev+0x102/0x170
[ 5520.872354][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5520.872354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.872354][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.872354][   T10]      netlink_unicast+0x449/0x710
[ 5520.872354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.872354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.872354][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.872354][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.872354][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.872354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.872354][   T10] 
[ 5520.874278][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5520.874582][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5520.874582][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.874582][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.874582][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.874582][   T10]      ip6_route_add+0x1c/0x140
[ 5520.874582][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5520.874582][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5520.874582][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.874582][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.874582][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.874582][   T10]      netlink_unicast+0x449/0x710
[ 5520.874582][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.874582][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.874582][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.874582][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.874582][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.874582][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.874582][   T10] 
[ 5520.876753][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5520.876753][   T10]      netdev_get_by_index+0x5e/0x80
[ 5520.876753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5520.876753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5520.876753][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5520.876753][   T10]      ipv6_add_addr+0x411/0x2000
[ 5520.876753][   T10]      inet6_addr_add+0x30e/0xa40
[ 5520.876753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5520.876753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.876753][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.876753][   T10]      netlink_unicast+0x449/0x710
[ 5520.876753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.876753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.876753][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.876753][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.876753][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.876753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.876753][   T10] 
[ 5520.878923][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5520.878923][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5520.878923][   T10]      ipv6_find_idev+0x102/0x170
[ 5520.878923][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5520.878923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.878923][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.878923][   T10]      netlink_unicast+0x449/0x710
[ 5520.878923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.878923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.878923][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.878923][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.878923][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.878923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.878923][   T10] 
[ 5520.880643][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5520.880643][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5520.880643][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5520.880643][   T10]      ipv6_find_idev+0x102/0x170
[ 5520.880643][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5520.880643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5520.880643][   T10]      netlink_rcv_skb+0x130/0x360
[ 5520.880643][   T10]      netlink_unicast+0x449/0x710
[ 5520.880643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5520.880643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5520.880643][   T10]      ___sys_sendmsg+0xee/0x170
[ 5520.880643][   T10]      __sys_sendmsg+0xcd/0x170
[ 5520.880643][   T10]      do_syscall_64+0xc6/0x1e0
[ 5520.880643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5520.880643][   T10] 
[ 5531.120773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5531.121203][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.121203][   T10]      dst_init+0x84/0x4a0
[ 5531.121203][   T10]      dst_alloc+0x97/0x150
[ 5531.121203][   T10]      ip6_dst_alloc+0x23/0x90
[ 5531.121203][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5531.121203][   T10]      ip6_pol_route+0x56f/0x840
[ 5531.121203][   T10]      fib6_rule_lookup+0x456/0x630
[ 5531.121203][   T10]      ip6_route_input+0x59c/0xa50
[ 5531.121203][   T10]      ipv6_rcv+0x397/0x810
[ 5531.121203][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5531.121203][   T10]      process_backlog+0x101/0x620
[ 5531.121203][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5531.121203][   T10]      net_rx_action+0x495/0xbe0
[ 5531.121203][   T10]      __do_softirq+0x1b5/0x7f6
[ 5531.121203][   T10] 
[ 5531.122850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.122850][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5531.122850][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5531.122850][   T10]      fib6_nh_init+0xa22/0x1580
[ 5531.122850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.122850][   T10]      ip6_route_add+0x1c/0x140
[ 5531.122850][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5531.122850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.122850][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.122850][   T10]      netlink_unicast+0x449/0x710
[ 5531.122850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.122850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.122850][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.122850][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.122850][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.122850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.122850][   T10] 
[ 5531.124691][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.124691][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.124691][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.124691][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.124691][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5531.124691][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5531.124691][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5531.124691][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5531.124691][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5531.124691][   T10]      addrconf_dad_begin+0x310/0x670
[ 5531.124691][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5531.124691][   T10]      process_one_work+0x84d/0x18a0
[ 5531.124691][   T10]      worker_thread+0x587/0xd30
[ 5531.124691][   T10]      kthread+0x28a/0x350
[ 5531.124691][   T10]      ret_from_fork+0x31/0x70
[ 5531.124691][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5531.124691][   T10] 
[ 5531.127186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.127186][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.127186][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.127186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.127186][   T10]      ip6_route_add+0x1c/0x140
[ 5531.127186][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5531.127186][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5531.127186][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.127186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.127186][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.127186][   T10]      netlink_unicast+0x449/0x710
[ 5531.127186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.127186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.127186][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.127186][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.127186][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.127186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.127186][   T10] 
[ 5531.129217][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.129217][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.129217][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.129217][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.129217][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5531.129217][   T10]      ipv6_add_addr+0x411/0x2000
[ 5531.129217][   T10]      inet6_addr_add+0x30e/0xa40
[ 5531.129217][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.129217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.129217][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.129217][   T10]      netlink_unicast+0x449/0x710
[ 5531.129217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.129217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.129217][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.129217][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.129217][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.129217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.129217][   T10] 
[ 5531.131224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.131224][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.131224][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.131224][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.131224][   T10]      ip6_route_add+0x1c/0x140
[ 5531.131224][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5531.131224][   T10]      addrconf_add_dev+0xe2/0x170
[ 5531.131224][   T10]      inet6_addr_add+0x12f/0xa40
[ 5531.131224][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.131224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.131224][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.131224][   T10]      netlink_unicast+0x449/0x710
[ 5531.131224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.131224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.131224][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.131224][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.131224][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.131224][   T10] 
[ 5531.133199][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.133199][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5531.133199][   T10]      ipv6_find_idev+0x102/0x170
[ 5531.133199][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5531.133199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.133199][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.133199][   T10]      netlink_unicast+0x449/0x710
[ 5531.133199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.133199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.133199][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.133199][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.133199][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.133199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.133199][   T10] 
[ 5531.134735][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5531.134735][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5531.134735][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5531.134735][   T10]      ipv6_find_idev+0x102/0x170
[ 5531.134735][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5531.134735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.134735][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.134735][   T10]      netlink_unicast+0x449/0x710
[ 5531.134735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.134735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.134735][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.134735][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.134735][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.134735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.134735][   T10] 
[ 5531.136396][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5531.136661][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.136661][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5531.136661][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5531.136661][   T10]      fib6_nh_init+0xa22/0x1580
[ 5531.136661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.136661][   T10]      ip6_route_add+0x1c/0x140
[ 5531.136661][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5531.136661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.136661][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.136661][   T10]      netlink_unicast+0x449/0x710
[ 5531.136661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.136661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.136661][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.136661][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.136661][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.136661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.136661][   T10] 
[ 5531.138549][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.138549][   T10]      dst_init+0x84/0x4a0
[ 5531.138549][   T10]      dst_alloc+0x97/0x150
[ 5531.138549][   T10]      ip6_dst_alloc+0x23/0x90
[ 5531.138549][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5531.138549][   T10]      ip6_pol_route+0x56f/0x840
[ 5531.138549][   T10]      fib6_rule_lookup+0x456/0x630
[ 5531.138549][   T10]      ip6_route_input+0x59c/0xa50
[ 5531.138549][   T10]      ipv6_rcv+0x397/0x810
[ 5531.138549][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5531.138549][   T10]      process_backlog+0x101/0x620
[ 5531.138549][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5531.138549][   T10]      net_rx_action+0x495/0xbe0
[ 5531.138549][   T10]      __do_softirq+0x1b5/0x7f6
[ 5531.138549][   T10] 
[ 5531.140183][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.140183][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.140183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.140183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.140183][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5531.140183][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5531.140183][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5531.140183][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5531.140183][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5531.140183][   T10]      addrconf_dad_begin+0x310/0x670
[ 5531.140183][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5531.140183][   T10]      process_one_work+0x84d/0x18a0
[ 5531.140183][   T10]      worker_thread+0x587/0xd30
[ 5531.140183][   T10]      kthread+0x28a/0x350
[ 5531.140183][   T10]      ret_from_fork+0x31/0x70
[ 5531.140183][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5531.140183][   T10] 
[ 5531.142100][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.142100][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.142100][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.142100][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.142100][   T10]      ip6_route_add+0x1c/0x140
[ 5531.142100][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5531.142100][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5531.142100][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.142100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.142100][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.142100][   T10]      netlink_unicast+0x449/0x710
[ 5531.142100][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.142100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.142100][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.142100][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.142100][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.142100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.142100][   T10] 
[ 5531.144091][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.144091][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.144091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.144091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.144091][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5531.144091][   T10]      ipv6_add_addr+0x411/0x2000
[ 5531.144091][   T10]      inet6_addr_add+0x30e/0xa40
[ 5531.144091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.144091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.144091][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.144091][   T10]      netlink_unicast+0x449/0x710
[ 5531.144091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.144091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.144091][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.144091][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.144091][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.144091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.144091][   T10] 
[ 5531.146103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.146103][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.146103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.146103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.146103][   T10]      ip6_route_add+0x1c/0x140
[ 5531.146103][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5531.146103][   T10]      addrconf_add_dev+0xe2/0x170
[ 5531.146103][   T10]      inet6_addr_add+0x12f/0xa40
[ 5531.146103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.146103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.146103][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.146103][   T10]      netlink_unicast+0x449/0x710
[ 5531.146103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.146103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.146103][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.146103][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.146103][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.146103][   T10] 
[ 5531.148180][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.148180][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5531.148180][   T10]      ipv6_find_idev+0x102/0x170
[ 5531.148180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5531.148180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.148180][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.148180][   T10]      netlink_unicast+0x449/0x710
[ 5531.148180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.148180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.148180][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.148180][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.148180][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.148180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.148180][   T10] 
[ 5531.149954][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5531.149954][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5531.149954][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5531.149954][   T10]      ipv6_find_idev+0x102/0x170
[ 5531.149954][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5531.149954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.149954][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.149954][   T10]      netlink_unicast+0x449/0x710
[ 5531.149954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.149954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.149954][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.149954][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.149954][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.149954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.149954][   T10] 
[ 5531.151821][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5531.152139][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5531.152139][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.152139][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.152139][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.152139][   T10]      ip6_route_add+0x1c/0x140
[ 5531.152139][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5531.152139][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5531.152139][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.152139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.152139][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.152139][   T10]      netlink_unicast+0x449/0x710
[ 5531.152139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.152139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.152139][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.152139][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.152139][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.152139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.152139][   T10] 
[ 5531.154306][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5531.154306][   T10]      netdev_get_by_index+0x5e/0x80
[ 5531.154306][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5531.154306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5531.154306][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5531.154306][   T10]      ipv6_add_addr+0x411/0x2000
[ 5531.154306][   T10]      inet6_addr_add+0x30e/0xa40
[ 5531.154306][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5531.154306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.154306][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.154306][   T10]      netlink_unicast+0x449/0x710
[ 5531.154306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.154306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.154306][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.154306][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.154306][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.154306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.154306][   T10] 
[ 5531.156473][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5531.156473][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5531.156473][   T10]      ipv6_find_idev+0x102/0x170
[ 5531.156473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5531.156473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.156473][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.156473][   T10]      netlink_unicast+0x449/0x710
[ 5531.156473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.156473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.156473][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.156473][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.156473][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.156473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.156473][   T10] 
[ 5531.158183][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5531.158183][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5531.158183][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5531.158183][   T10]      ipv6_find_idev+0x102/0x170
[ 5531.158183][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5531.158183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5531.158183][   T10]      netlink_rcv_skb+0x130/0x360
[ 5531.158183][   T10]      netlink_unicast+0x449/0x710
[ 5531.158183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5531.158183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5531.158183][   T10]      ___sys_sendmsg+0xee/0x170
[ 5531.158183][   T10]      __sys_sendmsg+0xcd/0x170
[ 5531.158183][   T10]      do_syscall_64+0xc6/0x1e0
[ 5531.158183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5531.158183][   T10] 
[ 5541.400789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5541.401275][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.401275][   T10]      dst_init+0x84/0x4a0
[ 5541.401275][   T10]      dst_alloc+0x97/0x150
[ 5541.401275][   T10]      ip6_dst_alloc+0x23/0x90
[ 5541.401275][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5541.401275][   T10]      ip6_pol_route+0x56f/0x840
[ 5541.401275][   T10]      fib6_rule_lookup+0x456/0x630
[ 5541.401275][   T10]      ip6_route_input+0x59c/0xa50
[ 5541.401275][   T10]      ipv6_rcv+0x397/0x810
[ 5541.401275][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5541.401275][   T10]      process_backlog+0x101/0x620
[ 5541.401275][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5541.401275][   T10]      net_rx_action+0x495/0xbe0
[ 5541.401275][   T10]      __do_softirq+0x1b5/0x7f6
[ 5541.401275][   T10] 
[ 5541.402972][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.402972][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5541.402972][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5541.402972][   T10]      fib6_nh_init+0xa22/0x1580
[ 5541.402972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.402972][   T10]      ip6_route_add+0x1c/0x140
[ 5541.402972][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5541.402972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.402972][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.402972][   T10]      netlink_unicast+0x449/0x710
[ 5541.402972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.402972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.402972][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.402972][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.402972][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.402972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.402972][   T10] 
[ 5541.404905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.404905][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.404905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.404905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.404905][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5541.404905][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5541.404905][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5541.404905][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5541.404905][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5541.404905][   T10]      addrconf_dad_begin+0x310/0x670
[ 5541.404905][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5541.404905][   T10]      process_one_work+0x84d/0x18a0
[ 5541.404905][   T10]      worker_thread+0x587/0xd30
[ 5541.404905][   T10]      kthread+0x28a/0x350
[ 5541.404905][   T10]      ret_from_fork+0x31/0x70
[ 5541.404905][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5541.404905][   T10] 
[ 5541.406843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.406843][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.406843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.406843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.406843][   T10]      ip6_route_add+0x1c/0x140
[ 5541.406843][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5541.406843][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5541.406843][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.406843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.406843][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.406843][   T10]      netlink_unicast+0x449/0x710
[ 5541.406843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.406843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.406843][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.406843][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.406843][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.406843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.406843][   T10] 
[ 5541.408872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.408872][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.408872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.408872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.408872][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5541.408872][   T10]      ipv6_add_addr+0x411/0x2000
[ 5541.408872][   T10]      inet6_addr_add+0x30e/0xa40
[ 5541.408872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.408872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.408872][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.408872][   T10]      netlink_unicast+0x449/0x710
[ 5541.408872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.408872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.408872][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.408872][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.408872][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.408872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.408872][   T10] 
[ 5541.410911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.410911][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.410911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.410911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.410911][   T10]      ip6_route_add+0x1c/0x140
[ 5541.410911][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5541.410911][   T10]      addrconf_add_dev+0xe2/0x170
[ 5541.410911][   T10]      inet6_addr_add+0x12f/0xa40
[ 5541.410911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.410911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.410911][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.410911][   T10]      netlink_unicast+0x449/0x710
[ 5541.410911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.410911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.410911][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.410911][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.410911][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.410911][   T10] 
[ 5541.412897][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.412897][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5541.412897][   T10]      ipv6_find_idev+0x102/0x170
[ 5541.412897][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5541.412897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.412897][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.412897][   T10]      netlink_unicast+0x449/0x710
[ 5541.412897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.412897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.412897][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.412897][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.412897][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.412897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.412897][   T10] 
[ 5541.414452][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5541.414452][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5541.414452][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5541.414452][   T10]      ipv6_find_idev+0x102/0x170
[ 5541.414452][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5541.414452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.414452][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.414452][   T10]      netlink_unicast+0x449/0x710
[ 5541.414452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.414452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.414452][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.414452][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.414452][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.414452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.414452][   T10] 
[ 5541.416192][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5541.416440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.416440][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5541.416440][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5541.416440][   T10]      fib6_nh_init+0xa22/0x1580
[ 5541.416440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.416440][   T10]      ip6_route_add+0x1c/0x140
[ 5541.416440][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5541.416440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.416440][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.416440][   T10]      netlink_unicast+0x449/0x710
[ 5541.416440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.416440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.416440][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.416440][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.416440][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.416440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.416440][   T10] 
[ 5541.418337][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.418337][   T10]      dst_init+0x84/0x4a0
[ 5541.418337][   T10]      dst_alloc+0x97/0x150
[ 5541.418337][   T10]      ip6_dst_alloc+0x23/0x90
[ 5541.418337][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5541.418337][   T10]      ip6_pol_route+0x56f/0x840
[ 5541.418337][   T10]      fib6_rule_lookup+0x456/0x630
[ 5541.418337][   T10]      ip6_route_input+0x59c/0xa50
[ 5541.418337][   T10]      ipv6_rcv+0x397/0x810
[ 5541.418337][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5541.418337][   T10]      process_backlog+0x101/0x620
[ 5541.418337][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5541.418337][   T10]      net_rx_action+0x495/0xbe0
[ 5541.418337][   T10]      __do_softirq+0x1b5/0x7f6
[ 5541.418337][   T10] 
[ 5541.419993][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.419993][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.419993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.419993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.419993][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5541.419993][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5541.419993][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5541.419993][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5541.419993][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5541.419993][   T10]      addrconf_dad_begin+0x310/0x670
[ 5541.419993][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5541.419993][   T10]      process_one_work+0x84d/0x18a0
[ 5541.419993][   T10]      worker_thread+0x587/0xd30
[ 5541.419993][   T10]      kthread+0x28a/0x350
[ 5541.419993][   T10]      ret_from_fork+0x31/0x70
[ 5541.419993][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5541.419993][   T10] 
[ 5541.421929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.421929][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.421929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.421929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.421929][   T10]      ip6_route_add+0x1c/0x140
[ 5541.421929][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5541.421929][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5541.421929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.421929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.421929][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.421929][   T10]      netlink_unicast+0x449/0x710
[ 5541.421929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.421929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.421929][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.421929][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.421929][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.421929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.421929][   T10] 
[ 5541.423951][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.423951][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.423951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.423951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.423951][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5541.423951][   T10]      ipv6_add_addr+0x411/0x2000
[ 5541.423951][   T10]      inet6_addr_add+0x30e/0xa40
[ 5541.423951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.423951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.423951][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.423951][   T10]      netlink_unicast+0x449/0x710
[ 5541.423951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.423951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.423951][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.423951][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.423951][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.423951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.423951][   T10] 
[ 5541.425975][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.425975][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.425975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.425975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.425975][   T10]      ip6_route_add+0x1c/0x140
[ 5541.425975][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5541.425975][   T10]      addrconf_add_dev+0xe2/0x170
[ 5541.425975][   T10]      inet6_addr_add+0x12f/0xa40
[ 5541.425975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.425975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.425975][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.425975][   T10]      netlink_unicast+0x449/0x710
[ 5541.425975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.425975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.425975][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.425975][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.425975][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.425975][   T10] 
[ 5541.428140][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.428140][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5541.428140][   T10]      ipv6_find_idev+0x102/0x170
[ 5541.428140][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5541.428140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.428140][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.428140][   T10]      netlink_unicast+0x449/0x710
[ 5541.428140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.428140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.428140][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.428140][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.428140][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.428140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.428140][   T10] 
[ 5541.429888][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5541.429888][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5541.429888][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5541.429888][   T10]      ipv6_find_idev+0x102/0x170
[ 5541.429888][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5541.429888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.429888][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.429888][   T10]      netlink_unicast+0x449/0x710
[ 5541.429888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.429888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.429888][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.429888][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.429888][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.429888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.429888][   T10] 
[ 5541.431848][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5541.432098][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5541.432098][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.432098][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.432098][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.432098][   T10]      ip6_route_add+0x1c/0x140
[ 5541.432098][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5541.432098][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5541.432098][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.432098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.432098][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.432098][   T10]      netlink_unicast+0x449/0x710
[ 5541.432098][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.432098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.432098][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.432098][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.432098][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.432098][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.432098][   T10] 
[ 5541.434364][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5541.434364][   T10]      netdev_get_by_index+0x5e/0x80
[ 5541.434364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5541.434364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5541.434364][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5541.434364][   T10]      ipv6_add_addr+0x411/0x2000
[ 5541.434364][   T10]      inet6_addr_add+0x30e/0xa40
[ 5541.434364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5541.434364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.434364][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.434364][   T10]      netlink_unicast+0x449/0x710
[ 5541.434364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.434364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.434364][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.434364][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.434364][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.434364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.434364][   T10] 
[ 5541.436618][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5541.436618][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5541.436618][   T10]      ipv6_find_idev+0x102/0x170
[ 5541.436618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5541.436618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.436618][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.436618][   T10]      netlink_unicast+0x449/0x710
[ 5541.436618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.436618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.436618][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.436618][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.436618][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.436618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.436618][   T10] 
[ 5541.438448][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5541.438448][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5541.438448][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5541.438448][   T10]      ipv6_find_idev+0x102/0x170
[ 5541.438448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5541.438448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5541.438448][   T10]      netlink_rcv_skb+0x130/0x360
[ 5541.438448][   T10]      netlink_unicast+0x449/0x710
[ 5541.438448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5541.438448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5541.438448][   T10]      ___sys_sendmsg+0xee/0x170
[ 5541.438448][   T10]      __sys_sendmsg+0xcd/0x170
[ 5541.438448][   T10]      do_syscall_64+0xc6/0x1e0
[ 5541.438448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5541.438448][   T10] 
[ 5551.840780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5551.841239][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.841239][   T10]      dst_init+0x84/0x4a0
[ 5551.841239][   T10]      dst_alloc+0x97/0x150
[ 5551.841239][   T10]      ip6_dst_alloc+0x23/0x90
[ 5551.841239][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5551.841239][   T10]      ip6_pol_route+0x56f/0x840
[ 5551.841239][   T10]      fib6_rule_lookup+0x456/0x630
[ 5551.841239][   T10]      ip6_route_input+0x59c/0xa50
[ 5551.841239][   T10]      ipv6_rcv+0x397/0x810
[ 5551.841239][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5551.841239][   T10]      process_backlog+0x101/0x620
[ 5551.841239][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5551.841239][   T10]      net_rx_action+0x495/0xbe0
[ 5551.841239][   T10]      __do_softirq+0x1b5/0x7f6
[ 5551.841239][   T10] 
[ 5551.842924][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.842924][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5551.842924][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5551.842924][   T10]      fib6_nh_init+0xa22/0x1580
[ 5551.842924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.842924][   T10]      ip6_route_add+0x1c/0x140
[ 5551.842924][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5551.842924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.842924][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.842924][   T10]      netlink_unicast+0x449/0x710
[ 5551.842924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.842924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.842924][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.842924][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.842924][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.842924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.842924][   T10] 
[ 5551.844782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.844782][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.844782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.844782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.844782][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5551.844782][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5551.844782][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5551.844782][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5551.844782][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5551.844782][   T10]      addrconf_dad_begin+0x310/0x670
[ 5551.844782][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5551.844782][   T10]      process_one_work+0x84d/0x18a0
[ 5551.844782][   T10]      worker_thread+0x587/0xd30
[ 5551.844782][   T10]      kthread+0x28a/0x350
[ 5551.844782][   T10]      ret_from_fork+0x31/0x70
[ 5551.844782][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5551.844782][   T10] 
[ 5551.846663][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.846663][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.846663][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.846663][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.846663][   T10]      ip6_route_add+0x1c/0x140
[ 5551.846663][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5551.846663][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5551.846663][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.846663][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.846663][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.846663][   T10]      netlink_unicast+0x449/0x710
[ 5551.846663][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.846663][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.846663][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.846663][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.846663][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.846663][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.846663][   T10] 
[ 5551.848635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.848635][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.848635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.848635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.848635][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5551.848635][   T10]      ipv6_add_addr+0x411/0x2000
[ 5551.848635][   T10]      inet6_addr_add+0x30e/0xa40
[ 5551.848635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.848635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.848635][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.848635][   T10]      netlink_unicast+0x449/0x710
[ 5551.848635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.848635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.848635][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.848635][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.848635][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.848635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.848635][   T10] 
[ 5551.850619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.850619][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.850619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.850619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.850619][   T10]      ip6_route_add+0x1c/0x140
[ 5551.850619][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5551.850619][   T10]      addrconf_add_dev+0xe2/0x170
[ 5551.850619][   T10]      inet6_addr_add+0x12f/0xa40
[ 5551.850619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.850619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.850619][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.850619][   T10]      netlink_unicast+0x449/0x710
[ 5551.850619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.850619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.850619][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.850619][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.850619][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.850619][   T10] 
[ 5551.852666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.852666][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5551.852666][   T10]      ipv6_find_idev+0x102/0x170
[ 5551.852666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5551.852666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.852666][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.852666][   T10]      netlink_unicast+0x449/0x710
[ 5551.852666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.852666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.852666][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.852666][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.852666][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.852666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.852666][   T10] 
[ 5551.854182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5551.854182][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5551.854182][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5551.854182][   T10]      ipv6_find_idev+0x102/0x170
[ 5551.854182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5551.854182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.854182][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.854182][   T10]      netlink_unicast+0x449/0x710
[ 5551.854182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.854182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.854182][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.854182][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.854182][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.854182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.854182][   T10] 
[ 5551.855903][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5551.856150][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.856150][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5551.856150][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5551.856150][   T10]      fib6_nh_init+0xa22/0x1580
[ 5551.856150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.856150][   T10]      ip6_route_add+0x1c/0x140
[ 5551.856150][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5551.856150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.856150][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.856150][   T10]      netlink_unicast+0x449/0x710
[ 5551.856150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.856150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.856150][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.856150][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.856150][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.856150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.856150][   T10] 
[ 5551.858054][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.858054][   T10]      dst_init+0x84/0x4a0
[ 5551.858054][   T10]      dst_alloc+0x97/0x150
[ 5551.858054][   T10]      ip6_dst_alloc+0x23/0x90
[ 5551.858054][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5551.858054][   T10]      ip6_pol_route+0x56f/0x840
[ 5551.858054][   T10]      fib6_rule_lookup+0x456/0x630
[ 5551.858054][   T10]      ip6_route_input+0x59c/0xa50
[ 5551.858054][   T10]      ipv6_rcv+0x397/0x810
[ 5551.858054][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5551.858054][   T10]      process_backlog+0x101/0x620
[ 5551.858054][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5551.858054][   T10]      net_rx_action+0x495/0xbe0
[ 5551.858054][   T10]      __do_softirq+0x1b5/0x7f6
[ 5551.858054][   T10] 
[ 5551.859715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.859715][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.859715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.859715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.859715][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5551.859715][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5551.859715][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5551.859715][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5551.859715][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5551.859715][   T10]      addrconf_dad_begin+0x310/0x670
[ 5551.859715][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5551.859715][   T10]      process_one_work+0x84d/0x18a0
[ 5551.859715][   T10]      worker_thread+0x587/0xd30
[ 5551.859715][   T10]      kthread+0x28a/0x350
[ 5551.859715][   T10]      ret_from_fork+0x31/0x70
[ 5551.859715][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5551.859715][   T10] 
[ 5551.861662][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.861662][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.861662][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.861662][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.861662][   T10]      ip6_route_add+0x1c/0x140
[ 5551.861662][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5551.861662][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5551.861662][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.861662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.861662][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.861662][   T10]      netlink_unicast+0x449/0x710
[ 5551.861662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.861662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.861662][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.861662][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.861662][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.861662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.861662][   T10] 
[ 5551.863697][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.863697][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.863697][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.863697][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.863697][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5551.863697][   T10]      ipv6_add_addr+0x411/0x2000
[ 5551.863697][   T10]      inet6_addr_add+0x30e/0xa40
[ 5551.863697][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.863697][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.863697][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.863697][   T10]      netlink_unicast+0x449/0x710
[ 5551.863697][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.863697][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.863697][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.863697][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.863697][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.863697][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.863697][   T10] 
[ 5551.865720][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.865720][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.865720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.865720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.865720][   T10]      ip6_route_add+0x1c/0x140
[ 5551.865720][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5551.865720][   T10]      addrconf_add_dev+0xe2/0x170
[ 5551.865720][   T10]      inet6_addr_add+0x12f/0xa40
[ 5551.865720][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.865720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.865720][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.865720][   T10]      netlink_unicast+0x449/0x710
[ 5551.865720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.865720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.865720][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.865720][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.865720][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.865720][   T10] 
[ 5551.867883][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.867883][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5551.867883][   T10]      ipv6_find_idev+0x102/0x170
[ 5551.867883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5551.867883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.867883][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.867883][   T10]      netlink_unicast+0x449/0x710
[ 5551.867883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.867883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.867883][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.867883][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.867883][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.867883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.867883][   T10] 
[ 5551.869632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5551.869632][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5551.869632][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5551.869632][   T10]      ipv6_find_idev+0x102/0x170
[ 5551.869632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5551.869632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.869632][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.869632][   T10]      netlink_unicast+0x449/0x710
[ 5551.869632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.869632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.869632][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.869632][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.869632][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.869632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.869632][   T10] 
[ 5551.871545][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5551.871797][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5551.871797][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.871797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.871797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.871797][   T10]      ip6_route_add+0x1c/0x140
[ 5551.871797][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5551.871797][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5551.871797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.871797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.871797][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.871797][   T10]      netlink_unicast+0x449/0x710
[ 5551.871797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.871797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.871797][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.871797][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.871797][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.871797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.871797][   T10] 
[ 5551.874077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5551.874077][   T10]      netdev_get_by_index+0x5e/0x80
[ 5551.874077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5551.874077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5551.874077][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5551.874077][   T10]      ipv6_add_addr+0x411/0x2000
[ 5551.874077][   T10]      inet6_addr_add+0x30e/0xa40
[ 5551.874077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5551.874077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.874077][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.874077][   T10]      netlink_unicast+0x449/0x710
[ 5551.874077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.874077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.874077][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.874077][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.874077][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.874077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.874077][   T10] 
[ 5551.876293][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5551.876293][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5551.876293][   T10]      ipv6_find_idev+0x102/0x170
[ 5551.876293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5551.876293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.876293][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.876293][   T10]      netlink_unicast+0x449/0x710
[ 5551.876293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.876293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.876293][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.876293][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.876293][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.876293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.876293][   T10] 
[ 5551.878077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5551.878077][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5551.878077][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5551.878077][   T10]      ipv6_find_idev+0x102/0x170
[ 5551.878077][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5551.878077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5551.878077][   T10]      netlink_rcv_skb+0x130/0x360
[ 5551.878077][   T10]      netlink_unicast+0x449/0x710
[ 5551.878077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5551.878077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5551.878077][   T10]      ___sys_sendmsg+0xee/0x170
[ 5551.878077][   T10]      __sys_sendmsg+0xcd/0x170
[ 5551.878077][   T10]      do_syscall_64+0xc6/0x1e0
[ 5551.878077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5551.878077][   T10] 
[ 5562.120853][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5562.121325][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.121325][   T10]      dst_init+0x84/0x4a0
[ 5562.121325][   T10]      dst_alloc+0x97/0x150
[ 5562.121325][   T10]      ip6_dst_alloc+0x23/0x90
[ 5562.121325][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5562.121325][   T10]      ip6_pol_route+0x56f/0x840
[ 5562.121325][   T10]      fib6_rule_lookup+0x456/0x630
[ 5562.121325][   T10]      ip6_route_input+0x59c/0xa50
[ 5562.121325][   T10]      ipv6_rcv+0x397/0x810
[ 5562.121325][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5562.121325][   T10]      process_backlog+0x101/0x620
[ 5562.121325][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5562.121325][   T10]      net_rx_action+0x495/0xbe0
[ 5562.121325][   T10]      __do_softirq+0x1b5/0x7f6
[ 5562.121325][   T10] 
[ 5562.122995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.122995][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5562.122995][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5562.122995][   T10]      fib6_nh_init+0xa22/0x1580
[ 5562.122995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.122995][   T10]      ip6_route_add+0x1c/0x140
[ 5562.122995][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5562.122995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.122995][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.122995][   T10]      netlink_unicast+0x449/0x710
[ 5562.122995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.122995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.122995][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.122995][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.122995][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.122995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.122995][   T10] 
[ 5562.124887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.124887][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.124887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.124887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.124887][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5562.124887][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5562.124887][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5562.124887][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5562.124887][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5562.124887][   T10]      addrconf_dad_begin+0x310/0x670
[ 5562.124887][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5562.124887][   T10]      process_one_work+0x84d/0x18a0
[ 5562.124887][   T10]      worker_thread+0x587/0xd30
[ 5562.124887][   T10]      kthread+0x28a/0x350
[ 5562.124887][   T10]      ret_from_fork+0x31/0x70
[ 5562.124887][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5562.124887][   T10] 
[ 5562.126802][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.126802][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.126802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.126802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.126802][   T10]      ip6_route_add+0x1c/0x140
[ 5562.126802][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5562.126802][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5562.126802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.126802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.126802][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.126802][   T10]      netlink_unicast+0x449/0x710
[ 5562.126802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.126802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.126802][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.126802][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.126802][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.126802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.126802][   T10] 
[ 5562.128797][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.128797][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.128797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.128797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.128797][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5562.128797][   T10]      ipv6_add_addr+0x411/0x2000
[ 5562.128797][   T10]      inet6_addr_add+0x30e/0xa40
[ 5562.128797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.128797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.128797][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.128797][   T10]      netlink_unicast+0x449/0x710
[ 5562.128797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.128797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.128797][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.128797][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.128797][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.128797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.128797][   T10] 
[ 5562.130804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.130804][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.130804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.130804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.130804][   T10]      ip6_route_add+0x1c/0x140
[ 5562.130804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5562.130804][   T10]      addrconf_add_dev+0xe2/0x170
[ 5562.130804][   T10]      inet6_addr_add+0x12f/0xa40
[ 5562.130804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.130804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.130804][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.130804][   T10]      netlink_unicast+0x449/0x710
[ 5562.130804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.130804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.130804][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.130804][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.130804][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.130804][   T10] 
[ 5562.132758][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.132758][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5562.132758][   T10]      ipv6_find_idev+0x102/0x170
[ 5562.132758][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5562.132758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.132758][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.132758][   T10]      netlink_unicast+0x449/0x710
[ 5562.132758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.132758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.132758][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.132758][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.132758][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.132758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.132758][   T10] 
[ 5562.134301][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5562.134301][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5562.134301][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5562.134301][   T10]      ipv6_find_idev+0x102/0x170
[ 5562.134301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5562.134301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.134301][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.134301][   T10]      netlink_unicast+0x449/0x710
[ 5562.134301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.134301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.134301][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.134301][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.134301][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.134301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.134301][   T10] 
[ 5562.136017][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5562.136255][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.136255][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5562.136255][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5562.136255][   T10]      fib6_nh_init+0xa22/0x1580
[ 5562.136255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.136255][   T10]      ip6_route_add+0x1c/0x140
[ 5562.136255][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5562.136255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.136255][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.136255][   T10]      netlink_unicast+0x449/0x710
[ 5562.136255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.136255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.136255][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.136255][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.136255][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.136255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.136255][   T10] 
[ 5562.138139][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.138139][   T10]      dst_init+0x84/0x4a0
[ 5562.138139][   T10]      dst_alloc+0x97/0x150
[ 5562.138139][   T10]      ip6_dst_alloc+0x23/0x90
[ 5562.138139][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5562.138139][   T10]      ip6_pol_route+0x56f/0x840
[ 5562.138139][   T10]      fib6_rule_lookup+0x456/0x630
[ 5562.138139][   T10]      ip6_route_input+0x59c/0xa50
[ 5562.138139][   T10]      ipv6_rcv+0x397/0x810
[ 5562.138139][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5562.138139][   T10]      process_backlog+0x101/0x620
[ 5562.138139][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5562.138139][   T10]      net_rx_action+0x495/0xbe0
[ 5562.138139][   T10]      __do_softirq+0x1b5/0x7f6
[ 5562.138139][   T10] 
[ 5562.139786][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.139786][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.139786][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.139786][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.139786][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5562.139786][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5562.139786][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5562.139786][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5562.139786][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5562.139786][   T10]      addrconf_dad_begin+0x310/0x670
[ 5562.139786][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5562.139786][   T10]      process_one_work+0x84d/0x18a0
[ 5562.139786][   T10]      worker_thread+0x587/0xd30
[ 5562.139786][   T10]      kthread+0x28a/0x350
[ 5562.139786][   T10]      ret_from_fork+0x31/0x70
[ 5562.139786][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5562.139786][   T10] 
[ 5562.141730][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.141730][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.141730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.141730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.141730][   T10]      ip6_route_add+0x1c/0x140
[ 5562.141730][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5562.141730][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5562.141730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.141730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.141730][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.141730][   T10]      netlink_unicast+0x449/0x710
[ 5562.141730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.141730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.141730][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.141730][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.141730][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.141730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.141730][   T10] 
[ 5562.143721][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.143721][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.143721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.143721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.143721][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5562.143721][   T10]      ipv6_add_addr+0x411/0x2000
[ 5562.143721][   T10]      inet6_addr_add+0x30e/0xa40
[ 5562.143721][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.143721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.143721][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.143721][   T10]      netlink_unicast+0x449/0x710
[ 5562.143721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.143721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.143721][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.143721][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.143721][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.143721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.143721][   T10] 
[ 5562.145718][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.145718][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.145718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.145718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.145718][   T10]      ip6_route_add+0x1c/0x140
[ 5562.145718][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5562.145718][   T10]      addrconf_add_dev+0xe2/0x170
[ 5562.145718][   T10]      inet6_addr_add+0x12f/0xa40
[ 5562.145718][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.145718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.145718][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.145718][   T10]      netlink_unicast+0x449/0x710
[ 5562.145718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.145718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.145718][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.145718][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.145718][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.145718][   T10] 
[ 5562.147859][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.147859][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5562.147859][   T10]      ipv6_find_idev+0x102/0x170
[ 5562.147859][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5562.147859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.147859][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.147859][   T10]      netlink_unicast+0x449/0x710
[ 5562.147859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.147859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.147859][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.147859][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.147859][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.147859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.147859][   T10] 
[ 5562.149586][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5562.149586][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5562.149586][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5562.149586][   T10]      ipv6_find_idev+0x102/0x170
[ 5562.149586][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5562.149586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.149586][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.149586][   T10]      netlink_unicast+0x449/0x710
[ 5562.149586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.149586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.149586][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.149586][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.149586][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.149586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.149586][   T10] 
[ 5562.151511][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5562.151833][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5562.151833][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.151833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.151833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.151833][   T10]      ip6_route_add+0x1c/0x140
[ 5562.151833][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5562.151833][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5562.151833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.151833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.151833][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.151833][   T10]      netlink_unicast+0x449/0x710
[ 5562.151833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.151833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.151833][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.151833][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.151833][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.151833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.151833][   T10] 
[ 5562.154016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5562.154016][   T10]      netdev_get_by_index+0x5e/0x80
[ 5562.154016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5562.154016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5562.154016][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5562.154016][   T10]      ipv6_add_addr+0x411/0x2000
[ 5562.154016][   T10]      inet6_addr_add+0x30e/0xa40
[ 5562.154016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5562.154016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.154016][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.154016][   T10]      netlink_unicast+0x449/0x710
[ 5562.154016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.154016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.154016][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.154016][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.154016][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.154016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.154016][   T10] 
[ 5562.156245][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5562.156245][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5562.156245][   T10]      ipv6_find_idev+0x102/0x170
[ 5562.156245][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5562.156245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.156245][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.156245][   T10]      netlink_unicast+0x449/0x710
[ 5562.156245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.156245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.156245][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.156245][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.156245][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.156245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.156245][   T10] 
[ 5562.158503][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5562.158503][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5562.158503][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5562.158503][   T10]      ipv6_find_idev+0x102/0x170
[ 5562.158503][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5562.158503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5562.158503][   T10]      netlink_rcv_skb+0x130/0x360
[ 5562.158503][   T10]      netlink_unicast+0x449/0x710
[ 5562.158503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5562.158503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5562.158503][   T10]      ___sys_sendmsg+0xee/0x170
[ 5562.158503][   T10]      __sys_sendmsg+0xcd/0x170
[ 5562.158503][   T10]      do_syscall_64+0xc6/0x1e0
[ 5562.158503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5562.158503][   T10] 
[ 5572.400703][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5572.401144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.401144][   T10]      dst_init+0x84/0x4a0
[ 5572.401144][   T10]      dst_alloc+0x97/0x150
[ 5572.401144][   T10]      ip6_dst_alloc+0x23/0x90
[ 5572.401144][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5572.401144][   T10]      ip6_pol_route+0x56f/0x840
[ 5572.401144][   T10]      fib6_rule_lookup+0x456/0x630
[ 5572.401144][   T10]      ip6_route_input+0x59c/0xa50
[ 5572.401144][   T10]      ipv6_rcv+0x397/0x810
[ 5572.401144][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5572.401144][   T10]      process_backlog+0x101/0x620
[ 5572.401144][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5572.401144][   T10]      net_rx_action+0x495/0xbe0
[ 5572.401144][   T10]      __do_softirq+0x1b5/0x7f6
[ 5572.401144][   T10] 
[ 5572.402798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.402798][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5572.402798][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5572.402798][   T10]      fib6_nh_init+0xa22/0x1580
[ 5572.402798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.402798][   T10]      ip6_route_add+0x1c/0x140
[ 5572.402798][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5572.402798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.402798][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.402798][   T10]      netlink_unicast+0x449/0x710
[ 5572.402798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.402798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.402798][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.402798][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.402798][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.402798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.402798][   T10] 
[ 5572.404699][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.404699][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.404699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.404699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.404699][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5572.404699][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5572.404699][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5572.404699][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5572.404699][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5572.404699][   T10]      addrconf_dad_begin+0x310/0x670
[ 5572.404699][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5572.404699][   T10]      process_one_work+0x84d/0x18a0
[ 5572.404699][   T10]      worker_thread+0x587/0xd30
[ 5572.404699][   T10]      kthread+0x28a/0x350
[ 5572.404699][   T10]      ret_from_fork+0x31/0x70
[ 5572.404699][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5572.404699][   T10] 
[ 5572.406594][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.406594][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.406594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.406594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.406594][   T10]      ip6_route_add+0x1c/0x140
[ 5572.406594][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5572.406594][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5572.406594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.406594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.406594][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.406594][   T10]      netlink_unicast+0x449/0x710
[ 5572.406594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.406594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.406594][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.406594][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.406594][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.406594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.406594][   T10] 
[ 5572.408583][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.408583][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.408583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.408583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.408583][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5572.408583][   T10]      ipv6_add_addr+0x411/0x2000
[ 5572.408583][   T10]      inet6_addr_add+0x30e/0xa40
[ 5572.408583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.408583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.408583][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.408583][   T10]      netlink_unicast+0x449/0x710
[ 5572.408583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.408583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.408583][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.408583][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.408583][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.408583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.408583][   T10] 
[ 5572.410587][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.410587][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.410587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.410587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.410587][   T10]      ip6_route_add+0x1c/0x140
[ 5572.410587][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5572.410587][   T10]      addrconf_add_dev+0xe2/0x170
[ 5572.410587][   T10]      inet6_addr_add+0x12f/0xa40
[ 5572.410587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.410587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.410587][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.410587][   T10]      netlink_unicast+0x449/0x710
[ 5572.410587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.410587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.410587][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.410587][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.410587][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.410587][   T10] 
[ 5572.412546][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.412546][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5572.412546][   T10]      ipv6_find_idev+0x102/0x170
[ 5572.412546][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5572.412546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.412546][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.412546][   T10]      netlink_unicast+0x449/0x710
[ 5572.412546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.412546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.412546][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.412546][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.412546][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.412546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.412546][   T10] 
[ 5572.414078][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5572.414078][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5572.414078][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5572.414078][   T10]      ipv6_find_idev+0x102/0x170
[ 5572.414078][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5572.414078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.414078][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.414078][   T10]      netlink_unicast+0x449/0x710
[ 5572.414078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.414078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.414078][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.414078][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.414078][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.414078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.414078][   T10] 
[ 5572.415763][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5572.416014][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.416014][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5572.416014][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5572.416014][   T10]      fib6_nh_init+0xa22/0x1580
[ 5572.416014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.416014][   T10]      ip6_route_add+0x1c/0x140
[ 5572.416014][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5572.416014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.416014][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.416014][   T10]      netlink_unicast+0x449/0x710
[ 5572.416014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.416014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.416014][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.416014][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.416014][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.416014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.416014][   T10] 
[ 5572.417889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.417889][   T10]      dst_init+0x84/0x4a0
[ 5572.417889][   T10]      dst_alloc+0x97/0x150
[ 5572.417889][   T10]      ip6_dst_alloc+0x23/0x90
[ 5572.417889][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5572.417889][   T10]      ip6_pol_route+0x56f/0x840
[ 5572.417889][   T10]      fib6_rule_lookup+0x456/0x630
[ 5572.417889][   T10]      ip6_route_input+0x59c/0xa50
[ 5572.417889][   T10]      ipv6_rcv+0x397/0x810
[ 5572.417889][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5572.417889][   T10]      process_backlog+0x101/0x620
[ 5572.417889][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5572.417889][   T10]      net_rx_action+0x495/0xbe0
[ 5572.417889][   T10]      __do_softirq+0x1b5/0x7f6
[ 5572.417889][   T10] 
[ 5572.419516][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.419516][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.419516][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.419516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.419516][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5572.419516][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5572.419516][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5572.419516][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5572.419516][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5572.419516][   T10]      addrconf_dad_begin+0x310/0x670
[ 5572.419516][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5572.419516][   T10]      process_one_work+0x84d/0x18a0
[ 5572.419516][   T10]      worker_thread+0x587/0xd30
[ 5572.419516][   T10]      kthread+0x28a/0x350
[ 5572.419516][   T10]      ret_from_fork+0x31/0x70
[ 5572.419516][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5572.419516][   T10] 
[ 5572.421421][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.421421][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.421421][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.421421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.421421][   T10]      ip6_route_add+0x1c/0x140
[ 5572.421421][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5572.421421][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5572.421421][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.421421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.421421][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.421421][   T10]      netlink_unicast+0x449/0x710
[ 5572.421421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.421421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.421421][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.421421][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.421421][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.421421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.421421][   T10] 
[ 5572.423409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.423409][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.423409][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.423409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.423409][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5572.423409][   T10]      ipv6_add_addr+0x411/0x2000
[ 5572.423409][   T10]      inet6_addr_add+0x30e/0xa40
[ 5572.423409][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.423409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.423409][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.423409][   T10]      netlink_unicast+0x449/0x710
[ 5572.423409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.423409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.423409][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.423409][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.423409][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.423409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.423409][   T10] 
[ 5572.425404][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.425404][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.425404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.425404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.425404][   T10]      ip6_route_add+0x1c/0x140
[ 5572.425404][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5572.425404][   T10]      addrconf_add_dev+0xe2/0x170
[ 5572.425404][   T10]      inet6_addr_add+0x12f/0xa40
[ 5572.425404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.425404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.425404][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.425404][   T10]      netlink_unicast+0x449/0x710
[ 5572.425404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.425404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.425404][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.425404][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.425404][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.425404][   T10] 
[ 5572.427572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.427572][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5572.427572][   T10]      ipv6_find_idev+0x102/0x170
[ 5572.427572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5572.427572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.427572][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.427572][   T10]      netlink_unicast+0x449/0x710
[ 5572.427572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.427572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.427572][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.427572][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.427572][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.427572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.427572][   T10] 
[ 5572.429348][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5572.429348][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5572.429348][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5572.429348][   T10]      ipv6_find_idev+0x102/0x170
[ 5572.429348][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5572.429348][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.429348][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.429348][   T10]      netlink_unicast+0x449/0x710
[ 5572.429348][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.429348][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.429348][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.429348][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.429348][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.429348][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.429348][   T10] 
[ 5572.431204][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5572.431442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5572.431442][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.431442][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.431442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.431442][   T10]      ip6_route_add+0x1c/0x140
[ 5572.431442][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5572.431442][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5572.431442][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.431442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.431442][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.431442][   T10]      netlink_unicast+0x449/0x710
[ 5572.431442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.431442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.431442][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.431442][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.431442][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.431442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.431442][   T10] 
[ 5572.433685][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5572.433685][   T10]      netdev_get_by_index+0x5e/0x80
[ 5572.433685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5572.433685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5572.433685][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5572.433685][   T10]      ipv6_add_addr+0x411/0x2000
[ 5572.433685][   T10]      inet6_addr_add+0x30e/0xa40
[ 5572.433685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5572.433685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.433685][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.433685][   T10]      netlink_unicast+0x449/0x710
[ 5572.433685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.433685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.433685][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.433685][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.433685][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.433685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.433685][   T10] 
[ 5572.435913][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5572.435913][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5572.435913][   T10]      ipv6_find_idev+0x102/0x170
[ 5572.435913][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5572.435913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.435913][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.435913][   T10]      netlink_unicast+0x449/0x710
[ 5572.435913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.435913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.435913][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.435913][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.435913][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.435913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.435913][   T10] 
[ 5572.437687][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5572.437687][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5572.437687][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5572.437687][   T10]      ipv6_find_idev+0x102/0x170
[ 5572.437687][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5572.437687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5572.437687][   T10]      netlink_rcv_skb+0x130/0x360
[ 5572.437687][   T10]      netlink_unicast+0x449/0x710
[ 5572.437687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5572.437687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5572.437687][   T10]      ___sys_sendmsg+0xee/0x170
[ 5572.437687][   T10]      __sys_sendmsg+0xcd/0x170
[ 5572.437687][   T10]      do_syscall_64+0xc6/0x1e0
[ 5572.437687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5572.437687][   T10] 
[ 5582.664711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5582.665196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.665196][   T10]      dst_init+0x84/0x4a0
[ 5582.665196][   T10]      dst_alloc+0x97/0x150
[ 5582.665196][   T10]      ip6_dst_alloc+0x23/0x90
[ 5582.665196][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5582.665196][   T10]      ip6_pol_route+0x56f/0x840
[ 5582.665196][   T10]      fib6_rule_lookup+0x456/0x630
[ 5582.665196][   T10]      ip6_route_input+0x59c/0xa50
[ 5582.665196][   T10]      ipv6_rcv+0x397/0x810
[ 5582.665196][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5582.665196][   T10]      process_backlog+0x101/0x620
[ 5582.665196][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5582.665196][   T10]      net_rx_action+0x495/0xbe0
[ 5582.665196][   T10]      __do_softirq+0x1b5/0x7f6
[ 5582.665196][   T10] 
[ 5582.666904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.666904][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5582.666904][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5582.666904][   T10]      fib6_nh_init+0xa22/0x1580
[ 5582.666904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.666904][   T10]      ip6_route_add+0x1c/0x140
[ 5582.666904][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5582.666904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.666904][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.666904][   T10]      netlink_unicast+0x449/0x710
[ 5582.666904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.666904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.666904][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.666904][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.666904][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.666904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.666904][   T10] 
[ 5582.668814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.668814][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.668814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.668814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.668814][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5582.668814][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5582.668814][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5582.668814][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5582.668814][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5582.668814][   T10]      addrconf_dad_begin+0x310/0x670
[ 5582.668814][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5582.668814][   T10]      process_one_work+0x84d/0x18a0
[ 5582.668814][   T10]      worker_thread+0x587/0xd30
[ 5582.668814][   T10]      kthread+0x28a/0x350
[ 5582.668814][   T10]      ret_from_fork+0x31/0x70
[ 5582.668814][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5582.668814][   T10] 
[ 5582.670771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.670771][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.670771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.670771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.670771][   T10]      ip6_route_add+0x1c/0x140
[ 5582.670771][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5582.670771][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5582.670771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.670771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.670771][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.670771][   T10]      netlink_unicast+0x449/0x710
[ 5582.670771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.670771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.670771][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.670771][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.670771][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.670771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.670771][   T10] 
[ 5582.672787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.672787][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.672787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.672787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.672787][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5582.672787][   T10]      ipv6_add_addr+0x411/0x2000
[ 5582.672787][   T10]      inet6_addr_add+0x30e/0xa40
[ 5582.672787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.672787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.672787][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.672787][   T10]      netlink_unicast+0x449/0x710
[ 5582.672787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.672787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.672787][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.672787][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.672787][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.672787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.672787][   T10] 
[ 5582.674804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.674804][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.674804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.674804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.674804][   T10]      ip6_route_add+0x1c/0x140
[ 5582.674804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5582.674804][   T10]      addrconf_add_dev+0xe2/0x170
[ 5582.674804][   T10]      inet6_addr_add+0x12f/0xa40
[ 5582.674804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.674804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.674804][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.674804][   T10]      netlink_unicast+0x449/0x710
[ 5582.674804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.674804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.674804][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.674804][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.674804][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.674804][   T10] 
[ 5582.676782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.676782][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5582.676782][   T10]      ipv6_find_idev+0x102/0x170
[ 5582.676782][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5582.676782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.676782][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.676782][   T10]      netlink_unicast+0x449/0x710
[ 5582.676782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.676782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.676782][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.676782][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.676782][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.676782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.676782][   T10] 
[ 5582.678334][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5582.678334][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5582.678334][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5582.678334][   T10]      ipv6_find_idev+0x102/0x170
[ 5582.678334][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5582.678334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.678334][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.678334][   T10]      netlink_unicast+0x449/0x710
[ 5582.678334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.678334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.678334][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.678334][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.678334][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.678334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.678334][   T10] 
[ 5582.680066][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5582.680307][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.680307][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5582.680307][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5582.680307][   T10]      fib6_nh_init+0xa22/0x1580
[ 5582.680307][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.680307][   T10]      ip6_route_add+0x1c/0x140
[ 5582.680307][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5582.680307][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.680307][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.680307][   T10]      netlink_unicast+0x449/0x710
[ 5582.680307][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.680307][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.680307][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.680307][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.680307][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.680307][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.680307][   T10] 
[ 5582.682197][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.682197][   T10]      dst_init+0x84/0x4a0
[ 5582.682197][   T10]      dst_alloc+0x97/0x150
[ 5582.682197][   T10]      ip6_dst_alloc+0x23/0x90
[ 5582.682197][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5582.682197][   T10]      ip6_pol_route+0x56f/0x840
[ 5582.682197][   T10]      fib6_rule_lookup+0x456/0x630
[ 5582.682197][   T10]      ip6_route_input+0x59c/0xa50
[ 5582.682197][   T10]      ipv6_rcv+0x397/0x810
[ 5582.682197][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5582.682197][   T10]      process_backlog+0x101/0x620
[ 5582.682197][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5582.682197][   T10]      net_rx_action+0x495/0xbe0
[ 5582.682197][   T10]      __do_softirq+0x1b5/0x7f6
[ 5582.682197][   T10] 
[ 5582.683842][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.683842][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.683842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.683842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.683842][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5582.683842][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5582.683842][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5582.683842][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5582.683842][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5582.683842][   T10]      addrconf_dad_begin+0x310/0x670
[ 5582.683842][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5582.683842][   T10]      process_one_work+0x84d/0x18a0
[ 5582.683842][   T10]      worker_thread+0x587/0xd30
[ 5582.683842][   T10]      kthread+0x28a/0x350
[ 5582.683842][   T10]      ret_from_fork+0x31/0x70
[ 5582.683842][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5582.683842][   T10] 
[ 5582.685759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.685759][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.685759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.685759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.685759][   T10]      ip6_route_add+0x1c/0x140
[ 5582.685759][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5582.685759][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5582.685759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.685759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.685759][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.685759][   T10]      netlink_unicast+0x449/0x710
[ 5582.685759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.685759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.685759][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.685759][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.685759][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.685759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.685759][   T10] 
[ 5582.687795][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.687795][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.687795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.687795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.687795][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5582.687795][   T10]      ipv6_add_addr+0x411/0x2000
[ 5582.687795][   T10]      inet6_addr_add+0x30e/0xa40
[ 5582.687795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.687795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.687795][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.687795][   T10]      netlink_unicast+0x449/0x710
[ 5582.687795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.687795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.687795][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.687795][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.687795][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.687795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.687795][   T10] 
[ 5582.689837][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.689837][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.689837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.689837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.689837][   T10]      ip6_route_add+0x1c/0x140
[ 5582.689837][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5582.689837][   T10]      addrconf_add_dev+0xe2/0x170
[ 5582.689837][   T10]      inet6_addr_add+0x12f/0xa40
[ 5582.689837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.689837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.689837][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.689837][   T10]      netlink_unicast+0x449/0x710
[ 5582.689837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.689837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.689837][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.689837][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.689837][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.689837][   T10] 
[ 5582.692005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.692005][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5582.692005][   T10]      ipv6_find_idev+0x102/0x170
[ 5582.692005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5582.692005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.692005][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.692005][   T10]      netlink_unicast+0x449/0x710
[ 5582.692005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.692005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.692005][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.692005][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.692005][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.692005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.692005][   T10] 
[ 5582.694296][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5582.694296][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5582.694296][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5582.694296][   T10]      ipv6_find_idev+0x102/0x170
[ 5582.694296][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5582.694296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.694296][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.694296][   T10]      netlink_unicast+0x449/0x710
[ 5582.694296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.694296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.694296][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.694296][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.694296][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.694296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.694296][   T10] 
[ 5582.696247][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5582.696494][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5582.696494][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.696494][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.696494][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.696494][   T10]      ip6_route_add+0x1c/0x140
[ 5582.696494][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5582.696494][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5582.696494][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.696494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.696494][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.696494][   T10]      netlink_unicast+0x449/0x710
[ 5582.696494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.696494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.696494][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.696494][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.696494][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.696494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.696494][   T10] 
[ 5582.698762][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5582.698762][   T10]      netdev_get_by_index+0x5e/0x80
[ 5582.698762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5582.698762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5582.698762][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5582.698762][   T10]      ipv6_add_addr+0x411/0x2000
[ 5582.698762][   T10]      inet6_addr_add+0x30e/0xa40
[ 5582.698762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5582.698762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.698762][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.698762][   T10]      netlink_unicast+0x449/0x710
[ 5582.698762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.698762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.698762][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.698762][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.698762][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.698762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.698762][   T10] 
[ 5582.701022][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5582.701022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5582.701022][   T10]      ipv6_find_idev+0x102/0x170
[ 5582.701022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5582.701022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.701022][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.701022][   T10]      netlink_unicast+0x449/0x710
[ 5582.701022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.701022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.701022][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.701022][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.701022][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.701022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.701022][   T10] 
[ 5582.702753][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5582.702753][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5582.702753][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5582.702753][   T10]      ipv6_find_idev+0x102/0x170
[ 5582.702753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5582.702753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5582.702753][   T10]      netlink_rcv_skb+0x130/0x360
[ 5582.702753][   T10]      netlink_unicast+0x449/0x710
[ 5582.702753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5582.702753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5582.702753][   T10]      ___sys_sendmsg+0xee/0x170
[ 5582.702753][   T10]      __sys_sendmsg+0xcd/0x170
[ 5582.702753][   T10]      do_syscall_64+0xc6/0x1e0
[ 5582.702753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5582.702753][   T10] 
[ 5592.888709][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5592.889170][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.889170][   T10]      dst_init+0x84/0x4a0
[ 5592.889170][   T10]      dst_alloc+0x97/0x150
[ 5592.889170][   T10]      ip6_dst_alloc+0x23/0x90
[ 5592.889170][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5592.889170][   T10]      ip6_pol_route+0x56f/0x840
[ 5592.889170][   T10]      fib6_rule_lookup+0x456/0x630
[ 5592.889170][   T10]      ip6_route_input+0x59c/0xa50
[ 5592.889170][   T10]      ipv6_rcv+0x397/0x810
[ 5592.889170][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5592.889170][   T10]      process_backlog+0x101/0x620
[ 5592.889170][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5592.889170][   T10]      net_rx_action+0x495/0xbe0
[ 5592.889170][   T10]      __do_softirq+0x1b5/0x7f6
[ 5592.889170][   T10] 
[ 5592.890854][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.890854][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5592.890854][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5592.890854][   T10]      fib6_nh_init+0xa22/0x1580
[ 5592.890854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.890854][   T10]      ip6_route_add+0x1c/0x140
[ 5592.890854][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5592.890854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.890854][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.890854][   T10]      netlink_unicast+0x449/0x710
[ 5592.890854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.890854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.890854][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.890854][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.890854][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.890854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.890854][   T10] 
[ 5592.892747][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.892747][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.892747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.892747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.892747][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5592.892747][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5592.892747][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5592.892747][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5592.892747][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5592.892747][   T10]      addrconf_dad_begin+0x310/0x670
[ 5592.892747][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5592.892747][   T10]      process_one_work+0x84d/0x18a0
[ 5592.892747][   T10]      worker_thread+0x587/0xd30
[ 5592.892747][   T10]      kthread+0x28a/0x350
[ 5592.892747][   T10]      ret_from_fork+0x31/0x70
[ 5592.892747][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5592.892747][   T10] 
[ 5592.894661][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.894661][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.894661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.894661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.894661][   T10]      ip6_route_add+0x1c/0x140
[ 5592.894661][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5592.894661][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5592.894661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.894661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.894661][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.894661][   T10]      netlink_unicast+0x449/0x710
[ 5592.894661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.894661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.894661][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.894661][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.894661][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.894661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.894661][   T10] 
[ 5592.896660][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.896660][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.896660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.896660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.896660][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5592.896660][   T10]      ipv6_add_addr+0x411/0x2000
[ 5592.896660][   T10]      inet6_addr_add+0x30e/0xa40
[ 5592.896660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.896660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.896660][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.896660][   T10]      netlink_unicast+0x449/0x710
[ 5592.896660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.896660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.896660][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.896660][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.896660][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.896660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.896660][   T10] 
[ 5592.898653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.898653][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.898653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.898653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.898653][   T10]      ip6_route_add+0x1c/0x140
[ 5592.898653][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5592.898653][   T10]      addrconf_add_dev+0xe2/0x170
[ 5592.898653][   T10]      inet6_addr_add+0x12f/0xa40
[ 5592.898653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.898653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.898653][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.898653][   T10]      netlink_unicast+0x449/0x710
[ 5592.898653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.898653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.898653][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.898653][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.898653][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.898653][   T10] 
[ 5592.900619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.900619][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5592.900619][   T10]      ipv6_find_idev+0x102/0x170
[ 5592.900619][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5592.900619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.900619][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.900619][   T10]      netlink_unicast+0x449/0x710
[ 5592.900619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.900619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.900619][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.900619][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.900619][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.900619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.900619][   T10] 
[ 5592.902157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5592.902157][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5592.902157][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5592.902157][   T10]      ipv6_find_idev+0x102/0x170
[ 5592.902157][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5592.902157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.902157][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.902157][   T10]      netlink_unicast+0x449/0x710
[ 5592.902157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.902157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.902157][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.902157][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.902157][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.902157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.902157][   T10] 
[ 5592.903853][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5592.904094][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.904094][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5592.904094][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5592.904094][   T10]      fib6_nh_init+0xa22/0x1580
[ 5592.904094][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.904094][   T10]      ip6_route_add+0x1c/0x140
[ 5592.904094][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5592.904094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.904094][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.904094][   T10]      netlink_unicast+0x449/0x710
[ 5592.904094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.904094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.904094][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.904094][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.904094][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.904094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.904094][   T10] 
[ 5592.905978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.905978][   T10]      dst_init+0x84/0x4a0
[ 5592.905978][   T10]      dst_alloc+0x97/0x150
[ 5592.905978][   T10]      ip6_dst_alloc+0x23/0x90
[ 5592.905978][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5592.905978][   T10]      ip6_pol_route+0x56f/0x840
[ 5592.905978][   T10]      fib6_rule_lookup+0x456/0x630
[ 5592.905978][   T10]      ip6_route_input+0x59c/0xa50
[ 5592.905978][   T10]      ipv6_rcv+0x397/0x810
[ 5592.905978][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5592.905978][   T10]      process_backlog+0x101/0x620
[ 5592.905978][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5592.905978][   T10]      net_rx_action+0x495/0xbe0
[ 5592.905978][   T10]      __do_softirq+0x1b5/0x7f6
[ 5592.905978][   T10] 
[ 5592.907601][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.907601][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.907601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.907601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.907601][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5592.907601][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5592.907601][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5592.907601][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5592.907601][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5592.907601][   T10]      addrconf_dad_begin+0x310/0x670
[ 5592.907601][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5592.907601][   T10]      process_one_work+0x84d/0x18a0
[ 5592.907601][   T10]      worker_thread+0x587/0xd30
[ 5592.907601][   T10]      kthread+0x28a/0x350
[ 5592.907601][   T10]      ret_from_fork+0x31/0x70
[ 5592.907601][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5592.907601][   T10] 
[ 5592.909508][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.909508][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.909508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.909508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.909508][   T10]      ip6_route_add+0x1c/0x140
[ 5592.909508][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5592.909508][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5592.909508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.909508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.909508][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.909508][   T10]      netlink_unicast+0x449/0x710
[ 5592.909508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.909508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.909508][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.909508][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.909508][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.909508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.909508][   T10] 
[ 5592.911513][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.911513][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.911513][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.911513][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.911513][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5592.911513][   T10]      ipv6_add_addr+0x411/0x2000
[ 5592.911513][   T10]      inet6_addr_add+0x30e/0xa40
[ 5592.911513][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.911513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.911513][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.911513][   T10]      netlink_unicast+0x449/0x710
[ 5592.911513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.911513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.911513][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.911513][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.911513][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.911513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.911513][   T10] 
[ 5592.913505][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.913505][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.913505][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.913505][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.913505][   T10]      ip6_route_add+0x1c/0x140
[ 5592.913505][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5592.913505][   T10]      addrconf_add_dev+0xe2/0x170
[ 5592.913505][   T10]      inet6_addr_add+0x12f/0xa40
[ 5592.913505][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.913505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.913505][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.913505][   T10]      netlink_unicast+0x449/0x710
[ 5592.913505][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.913505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.913505][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.913505][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.913505][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.913505][   T10] 
[ 5592.915584][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.915584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5592.915584][   T10]      ipv6_find_idev+0x102/0x170
[ 5592.915584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5592.915584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.915584][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.915584][   T10]      netlink_unicast+0x449/0x710
[ 5592.915584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.915584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.915584][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.915584][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.915584][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.915584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.915584][   T10] 
[ 5592.917362][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5592.917362][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5592.917362][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5592.917362][   T10]      ipv6_find_idev+0x102/0x170
[ 5592.917362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5592.917362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.917362][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.917362][   T10]      netlink_unicast+0x449/0x710
[ 5592.917362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.917362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.917362][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.917362][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.917362][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.917362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.917362][   T10] 
[ 5592.919208][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5592.919512][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5592.919512][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.919512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.919512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.919512][   T10]      ip6_route_add+0x1c/0x140
[ 5592.919512][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5592.919512][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5592.919512][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.919512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.919512][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.919512][   T10]      netlink_unicast+0x449/0x710
[ 5592.919512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.919512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.919512][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.919512][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.919512][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.919512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.919512][   T10] 
[ 5592.921740][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5592.921740][   T10]      netdev_get_by_index+0x5e/0x80
[ 5592.921740][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5592.921740][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5592.921740][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5592.921740][   T10]      ipv6_add_addr+0x411/0x2000
[ 5592.921740][   T10]      inet6_addr_add+0x30e/0xa40
[ 5592.921740][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5592.921740][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.921740][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.921740][   T10]      netlink_unicast+0x449/0x710
[ 5592.921740][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.921740][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.921740][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.921740][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.921740][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.921740][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.921740][   T10] 
[ 5592.923897][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5592.923897][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5592.923897][   T10]      ipv6_find_idev+0x102/0x170
[ 5592.923897][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5592.923897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.923897][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.923897][   T10]      netlink_unicast+0x449/0x710
[ 5592.923897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.923897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.923897][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.923897][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.923897][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.923897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.923897][   T10] 
[ 5592.925600][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5592.925600][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5592.925600][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5592.925600][   T10]      ipv6_find_idev+0x102/0x170
[ 5592.925600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5592.925600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5592.925600][   T10]      netlink_rcv_skb+0x130/0x360
[ 5592.925600][   T10]      netlink_unicast+0x449/0x710
[ 5592.925600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5592.925600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5592.925600][   T10]      ___sys_sendmsg+0xee/0x170
[ 5592.925600][   T10]      __sys_sendmsg+0xcd/0x170
[ 5592.925600][   T10]      do_syscall_64+0xc6/0x1e0
[ 5592.925600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5592.925600][   T10] 
[ 5602.984704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5602.985166][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.985166][   T10]      dst_init+0x84/0x4a0
[ 5602.985166][   T10]      dst_alloc+0x97/0x150
[ 5602.985166][   T10]      ip6_dst_alloc+0x23/0x90
[ 5602.985166][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5602.985166][   T10]      ip6_pol_route+0x56f/0x840
[ 5602.985166][   T10]      fib6_rule_lookup+0x456/0x630
[ 5602.985166][   T10]      ip6_route_input+0x59c/0xa50
[ 5602.985166][   T10]      ipv6_rcv+0x397/0x810
[ 5602.985166][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5602.985166][   T10]      process_backlog+0x101/0x620
[ 5602.985166][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5602.985166][   T10]      net_rx_action+0x495/0xbe0
[ 5602.985166][   T10]      __do_softirq+0x1b5/0x7f6
[ 5602.985166][   T10] 
[ 5602.986834][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.986834][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5602.986834][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5602.986834][   T10]      fib6_nh_init+0xa22/0x1580
[ 5602.986834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5602.986834][   T10]      ip6_route_add+0x1c/0x140
[ 5602.986834][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5602.986834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5602.986834][   T10]      netlink_rcv_skb+0x130/0x360
[ 5602.986834][   T10]      netlink_unicast+0x449/0x710
[ 5602.986834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5602.986834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5602.986834][   T10]      ___sys_sendmsg+0xee/0x170
[ 5602.986834][   T10]      __sys_sendmsg+0xcd/0x170
[ 5602.986834][   T10]      do_syscall_64+0xc6/0x1e0
[ 5602.986834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5602.986834][   T10] 
[ 5602.988736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.988736][   T10]      netdev_get_by_index+0x5e/0x80
[ 5602.988736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5602.988736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5602.988736][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5602.988736][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5602.988736][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5602.988736][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5602.988736][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5602.988736][   T10]      addrconf_dad_begin+0x310/0x670
[ 5602.988736][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5602.988736][   T10]      process_one_work+0x84d/0x18a0
[ 5602.988736][   T10]      worker_thread+0x587/0xd30
[ 5602.988736][   T10]      kthread+0x28a/0x350
[ 5602.988736][   T10]      ret_from_fork+0x31/0x70
[ 5602.988736][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5602.988736][   T10] 
[ 5602.990653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.990653][   T10]      netdev_get_by_index+0x5e/0x80
[ 5602.990653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5602.990653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5602.990653][   T10]      ip6_route_add+0x1c/0x140
[ 5602.990653][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5602.990653][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5602.990653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5602.990653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5602.990653][   T10]      netlink_rcv_skb+0x130/0x360
[ 5602.990653][   T10]      netlink_unicast+0x449/0x710
[ 5602.990653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5602.990653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5602.990653][   T10]      ___sys_sendmsg+0xee/0x170
[ 5602.990653][   T10]      __sys_sendmsg+0xcd/0x170
[ 5602.990653][   T10]      do_syscall_64+0xc6/0x1e0
[ 5602.990653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5602.990653][   T10] 
[ 5602.992642][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.992642][   T10]      netdev_get_by_index+0x5e/0x80
[ 5602.992642][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5602.992642][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5602.992642][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5602.992642][   T10]      ipv6_add_addr+0x411/0x2000
[ 5602.992642][   T10]      inet6_addr_add+0x30e/0xa40
[ 5602.992642][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5602.992642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5602.992642][   T10]      netlink_rcv_skb+0x130/0x360
[ 5602.992642][   T10]      netlink_unicast+0x449/0x710
[ 5602.992642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5602.992642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5602.992642][   T10]      ___sys_sendmsg+0xee/0x170
[ 5602.992642][   T10]      __sys_sendmsg+0xcd/0x170
[ 5602.992642][   T10]      do_syscall_64+0xc6/0x1e0
[ 5602.992642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5602.992642][   T10] 
[ 5602.995186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.995186][   T10]      netdev_get_by_index+0x5e/0x80
[ 5602.995186][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5602.995186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5602.995186][   T10]      ip6_route_add+0x1c/0x140
[ 5602.995186][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5602.995186][   T10]      addrconf_add_dev+0xe2/0x170
[ 5602.995186][   T10]      inet6_addr_add+0x12f/0xa40
[ 5602.995186][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5602.995186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5602.995186][   T10]      netlink_rcv_skb+0x130/0x360
[ 5602.995186][   T10]      netlink_unicast+0x449/0x710
[ 5602.995186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5602.995186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5602.995186][   T10]      ___sys_sendmsg+0xee/0x170
[ 5602.995186][   T10]      __sys_sendmsg+0xcd/0x170
[ 5602.995186][   T10]      do_syscall_64+0xc6/0x1e0
[ 5602.995186][   T10] 
[ 5602.997144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.997144][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5602.997144][   T10]      ipv6_find_idev+0x102/0x170
[ 5602.997144][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5602.997144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5602.997144][   T10]      netlink_rcv_skb+0x130/0x360
[ 5602.997144][   T10]      netlink_unicast+0x449/0x710
[ 5602.997144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5602.997144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5602.997144][   T10]      ___sys_sendmsg+0xee/0x170
[ 5602.997144][   T10]      __sys_sendmsg+0xcd/0x170
[ 5602.997144][   T10]      do_syscall_64+0xc6/0x1e0
[ 5602.997144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5602.997144][   T10] 
[ 5602.998677][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5602.998677][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5602.998677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5602.998677][   T10]      ipv6_find_idev+0x102/0x170
[ 5602.998677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5602.998677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5602.998677][   T10]      netlink_rcv_skb+0x130/0x360
[ 5602.998677][   T10]      netlink_unicast+0x449/0x710
[ 5602.998677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5602.998677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5602.998677][   T10]      ___sys_sendmsg+0xee/0x170
[ 5602.998677][   T10]      __sys_sendmsg+0xcd/0x170
[ 5602.998677][   T10]      do_syscall_64+0xc6/0x1e0
[ 5602.998677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5602.998677][   T10] 
[ 5603.000381][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5603.000634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.000634][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5603.000634][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5603.000634][   T10]      fib6_nh_init+0xa22/0x1580
[ 5603.000634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5603.000634][   T10]      ip6_route_add+0x1c/0x140
[ 5603.000634][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5603.000634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.000634][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.000634][   T10]      netlink_unicast+0x449/0x710
[ 5603.000634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.000634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.000634][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.000634][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.000634][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.000634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.000634][   T10] 
[ 5603.002494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.002494][   T10]      dst_init+0x84/0x4a0
[ 5603.002494][   T10]      dst_alloc+0x97/0x150
[ 5603.002494][   T10]      ip6_dst_alloc+0x23/0x90
[ 5603.002494][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5603.002494][   T10]      ip6_pol_route+0x56f/0x840
[ 5603.002494][   T10]      fib6_rule_lookup+0x456/0x630
[ 5603.002494][   T10]      ip6_route_input+0x59c/0xa50
[ 5603.002494][   T10]      ipv6_rcv+0x397/0x810
[ 5603.002494][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5603.002494][   T10]      process_backlog+0x101/0x620
[ 5603.002494][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5603.002494][   T10]      net_rx_action+0x495/0xbe0
[ 5603.002494][   T10]      __do_softirq+0x1b5/0x7f6
[ 5603.002494][   T10] 
[ 5603.004120][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.004120][   T10]      netdev_get_by_index+0x5e/0x80
[ 5603.004120][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5603.004120][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5603.004120][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5603.004120][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5603.004120][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5603.004120][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5603.004120][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5603.004120][   T10]      addrconf_dad_begin+0x310/0x670
[ 5603.004120][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5603.004120][   T10]      process_one_work+0x84d/0x18a0
[ 5603.004120][   T10]      worker_thread+0x587/0xd30
[ 5603.004120][   T10]      kthread+0x28a/0x350
[ 5603.004120][   T10]      ret_from_fork+0x31/0x70
[ 5603.004120][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5603.004120][   T10] 
[ 5603.006012][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.006012][   T10]      netdev_get_by_index+0x5e/0x80
[ 5603.006012][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5603.006012][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5603.006012][   T10]      ip6_route_add+0x1c/0x140
[ 5603.006012][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5603.006012][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5603.006012][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5603.006012][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.006012][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.006012][   T10]      netlink_unicast+0x449/0x710
[ 5603.006012][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.006012][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.006012][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.006012][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.006012][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.006012][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.006012][   T10] 
[ 5603.007947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.007947][   T10]      netdev_get_by_index+0x5e/0x80
[ 5603.007947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5603.007947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5603.007947][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5603.007947][   T10]      ipv6_add_addr+0x411/0x2000
[ 5603.007947][   T10]      inet6_addr_add+0x30e/0xa40
[ 5603.007947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5603.007947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.007947][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.007947][   T10]      netlink_unicast+0x449/0x710
[ 5603.007947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.007947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.007947][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.007947][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.007947][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.007947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.007947][   T10] 
[ 5603.009945][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.009945][   T10]      netdev_get_by_index+0x5e/0x80
[ 5603.009945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5603.009945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5603.009945][   T10]      ip6_route_add+0x1c/0x140
[ 5603.009945][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5603.009945][   T10]      addrconf_add_dev+0xe2/0x170
[ 5603.009945][   T10]      inet6_addr_add+0x12f/0xa40
[ 5603.009945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5603.009945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.009945][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.009945][   T10]      netlink_unicast+0x449/0x710
[ 5603.009945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.009945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.009945][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.009945][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.009945][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.009945][   T10] 
[ 5603.011951][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.011951][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5603.011951][   T10]      ipv6_find_idev+0x102/0x170
[ 5603.011951][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5603.011951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.011951][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.011951][   T10]      netlink_unicast+0x449/0x710
[ 5603.011951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.011951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.011951][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.011951][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.011951][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.011951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.011951][   T10] 
[ 5603.013618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5603.013618][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5603.013618][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5603.013618][   T10]      ipv6_find_idev+0x102/0x170
[ 5603.013618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5603.013618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.013618][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.013618][   T10]      netlink_unicast+0x449/0x710
[ 5603.013618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.013618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.013618][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.013618][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.013618][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.013618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.013618][   T10] 
[ 5603.015423][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5603.015683][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5603.015683][   T10]      netdev_get_by_index+0x5e/0x80
[ 5603.015683][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5603.015683][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5603.015683][   T10]      ip6_route_add+0x1c/0x140
[ 5603.015683][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5603.015683][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5603.015683][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5603.015683][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.015683][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.015683][   T10]      netlink_unicast+0x449/0x710
[ 5603.015683][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.015683][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.015683][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.015683][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.015683][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.015683][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.015683][   T10] 
[ 5603.017811][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5603.017811][   T10]      netdev_get_by_index+0x5e/0x80
[ 5603.017811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5603.017811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5603.017811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5603.017811][   T10]      ipv6_add_addr+0x411/0x2000
[ 5603.017811][   T10]      inet6_addr_add+0x30e/0xa40
[ 5603.017811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5603.017811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.017811][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.017811][   T10]      netlink_unicast+0x449/0x710
[ 5603.017811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.017811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.017811][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.017811][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.017811][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.017811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.017811][   T10] 
[ 5603.019933][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5603.019933][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5603.019933][   T10]      ipv6_find_idev+0x102/0x170
[ 5603.019933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5603.019933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.019933][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.019933][   T10]      netlink_unicast+0x449/0x710
[ 5603.019933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.019933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.019933][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.019933][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.019933][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.019933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.019933][   T10] 
[ 5603.021601][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5603.021601][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5603.021601][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5603.021601][   T10]      ipv6_find_idev+0x102/0x170
[ 5603.021601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5603.021601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5603.021601][   T10]      netlink_rcv_skb+0x130/0x360
[ 5603.021601][   T10]      netlink_unicast+0x449/0x710
[ 5603.021601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5603.021601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5603.021601][   T10]      ___sys_sendmsg+0xee/0x170
[ 5603.021601][   T10]      __sys_sendmsg+0xcd/0x170
[ 5603.021601][   T10]      do_syscall_64+0xc6/0x1e0
[ 5603.021601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5603.021601][   T10] 
[ 5613.184688][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5613.185170][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.185170][   T10]      dst_init+0x84/0x4a0
[ 5613.185170][   T10]      dst_alloc+0x97/0x150
[ 5613.185170][   T10]      ip6_dst_alloc+0x23/0x90
[ 5613.185170][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5613.185170][   T10]      ip6_pol_route+0x56f/0x840
[ 5613.185170][   T10]      fib6_rule_lookup+0x456/0x630
[ 5613.185170][   T10]      ip6_route_input+0x59c/0xa50
[ 5613.185170][   T10]      ipv6_rcv+0x397/0x810
[ 5613.185170][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5613.185170][   T10]      process_backlog+0x101/0x620
[ 5613.185170][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5613.185170][   T10]      net_rx_action+0x495/0xbe0
[ 5613.185170][   T10]      __do_softirq+0x1b5/0x7f6
[ 5613.185170][   T10] 
[ 5613.186860][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.186860][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5613.186860][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5613.186860][   T10]      fib6_nh_init+0xa22/0x1580
[ 5613.186860][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.186860][   T10]      ip6_route_add+0x1c/0x140
[ 5613.186860][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5613.186860][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.186860][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.186860][   T10]      netlink_unicast+0x449/0x710
[ 5613.186860][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.186860][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.186860][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.186860][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.186860][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.186860][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.186860][   T10] 
[ 5613.188754][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.188754][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.188754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.188754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.188754][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5613.188754][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5613.188754][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5613.188754][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5613.188754][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5613.188754][   T10]      addrconf_dad_begin+0x310/0x670
[ 5613.188754][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5613.188754][   T10]      process_one_work+0x84d/0x18a0
[ 5613.188754][   T10]      worker_thread+0x587/0xd30
[ 5613.188754][   T10]      kthread+0x28a/0x350
[ 5613.188754][   T10]      ret_from_fork+0x31/0x70
[ 5613.188754][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5613.188754][   T10] 
[ 5613.190686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.190686][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.190686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.190686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.190686][   T10]      ip6_route_add+0x1c/0x140
[ 5613.190686][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5613.190686][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5613.190686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.190686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.190686][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.190686][   T10]      netlink_unicast+0x449/0x710
[ 5613.190686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.190686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.190686][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.190686][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.190686][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.190686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.190686][   T10] 
[ 5613.192732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.192732][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.192732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.192732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.192732][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5613.192732][   T10]      ipv6_add_addr+0x411/0x2000
[ 5613.192732][   T10]      inet6_addr_add+0x30e/0xa40
[ 5613.192732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.192732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.192732][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.192732][   T10]      netlink_unicast+0x449/0x710
[ 5613.192732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.192732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.192732][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.192732][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.192732][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.192732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.192732][   T10] 
[ 5613.194708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.194708][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.194708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.194708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.194708][   T10]      ip6_route_add+0x1c/0x140
[ 5613.194708][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5613.194708][   T10]      addrconf_add_dev+0xe2/0x170
[ 5613.194708][   T10]      inet6_addr_add+0x12f/0xa40
[ 5613.194708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.194708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.194708][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.194708][   T10]      netlink_unicast+0x449/0x710
[ 5613.194708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.194708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.194708][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.194708][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.194708][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.194708][   T10] 
[ 5613.196657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.196657][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5613.196657][   T10]      ipv6_find_idev+0x102/0x170
[ 5613.196657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5613.196657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.196657][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.196657][   T10]      netlink_unicast+0x449/0x710
[ 5613.196657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.196657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.196657][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.196657][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.196657][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.196657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.196657][   T10] 
[ 5613.198179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5613.198179][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5613.198179][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5613.198179][   T10]      ipv6_find_idev+0x102/0x170
[ 5613.198179][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5613.198179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.198179][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.198179][   T10]      netlink_unicast+0x449/0x710
[ 5613.198179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.198179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.198179][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.198179][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.198179][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.198179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.198179][   T10] 
[ 5613.199901][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5613.200145][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.200145][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5613.200145][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5613.200145][   T10]      fib6_nh_init+0xa22/0x1580
[ 5613.200145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.200145][   T10]      ip6_route_add+0x1c/0x140
[ 5613.200145][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5613.200145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.200145][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.200145][   T10]      netlink_unicast+0x449/0x710
[ 5613.200145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.200145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.200145][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.200145][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.200145][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.200145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.200145][   T10] 
[ 5613.202035][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.202035][   T10]      dst_init+0x84/0x4a0
[ 5613.202035][   T10]      dst_alloc+0x97/0x150
[ 5613.202035][   T10]      ip6_dst_alloc+0x23/0x90
[ 5613.202035][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5613.202035][   T10]      ip6_pol_route+0x56f/0x840
[ 5613.202035][   T10]      fib6_rule_lookup+0x456/0x630
[ 5613.202035][   T10]      ip6_route_input+0x59c/0xa50
[ 5613.202035][   T10]      ipv6_rcv+0x397/0x810
[ 5613.202035][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5613.202035][   T10]      process_backlog+0x101/0x620
[ 5613.202035][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5613.202035][   T10]      net_rx_action+0x495/0xbe0
[ 5613.202035][   T10]      __do_softirq+0x1b5/0x7f6
[ 5613.202035][   T10] 
[ 5613.203684][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.203684][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.203684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.203684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.203684][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5613.203684][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5613.203684][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5613.203684][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5613.203684][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5613.203684][   T10]      addrconf_dad_begin+0x310/0x670
[ 5613.203684][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5613.203684][   T10]      process_one_work+0x84d/0x18a0
[ 5613.203684][   T10]      worker_thread+0x587/0xd30
[ 5613.203684][   T10]      kthread+0x28a/0x350
[ 5613.203684][   T10]      ret_from_fork+0x31/0x70
[ 5613.203684][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5613.203684][   T10] 
[ 5613.205586][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.205586][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.205586][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.205586][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.205586][   T10]      ip6_route_add+0x1c/0x140
[ 5613.205586][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5613.205586][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5613.205586][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.205586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.205586][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.205586][   T10]      netlink_unicast+0x449/0x710
[ 5613.205586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.205586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.205586][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.205586][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.205586][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.205586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.205586][   T10] 
[ 5613.207551][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.207551][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.207551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.207551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.207551][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5613.207551][   T10]      ipv6_add_addr+0x411/0x2000
[ 5613.207551][   T10]      inet6_addr_add+0x30e/0xa40
[ 5613.207551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.207551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.207551][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.207551][   T10]      netlink_unicast+0x449/0x710
[ 5613.207551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.207551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.207551][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.207551][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.207551][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.207551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.207551][   T10] 
[ 5613.209577][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.209577][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.209577][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.209577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.209577][   T10]      ip6_route_add+0x1c/0x140
[ 5613.209577][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5613.209577][   T10]      addrconf_add_dev+0xe2/0x170
[ 5613.209577][   T10]      inet6_addr_add+0x12f/0xa40
[ 5613.209577][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.209577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.209577][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.209577][   T10]      netlink_unicast+0x449/0x710
[ 5613.209577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.209577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.209577][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.209577][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.209577][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.209577][   T10] 
[ 5613.211765][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.211765][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5613.211765][   T10]      ipv6_find_idev+0x102/0x170
[ 5613.211765][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5613.211765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.211765][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.211765][   T10]      netlink_unicast+0x449/0x710
[ 5613.211765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.211765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.211765][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.211765][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.211765][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.211765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.211765][   T10] 
[ 5613.213499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5613.213499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5613.213499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5613.213499][   T10]      ipv6_find_idev+0x102/0x170
[ 5613.213499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5613.213499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.213499][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.213499][   T10]      netlink_unicast+0x449/0x710
[ 5613.213499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.213499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.213499][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.213499][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.213499][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.213499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.213499][   T10] 
[ 5613.215386][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5613.215631][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5613.215631][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.215631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.215631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.215631][   T10]      ip6_route_add+0x1c/0x140
[ 5613.215631][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5613.215631][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5613.215631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.215631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.215631][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.215631][   T10]      netlink_unicast+0x449/0x710
[ 5613.215631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.215631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.215631][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.215631][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.215631][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.215631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.215631][   T10] 
[ 5613.217967][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5613.217967][   T10]      netdev_get_by_index+0x5e/0x80
[ 5613.217967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5613.217967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5613.217967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5613.217967][   T10]      ipv6_add_addr+0x411/0x2000
[ 5613.217967][   T10]      inet6_addr_add+0x30e/0xa40
[ 5613.217967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5613.217967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.217967][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.217967][   T10]      netlink_unicast+0x449/0x710
[ 5613.217967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.217967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.217967][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.217967][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.217967][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.217967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.217967][   T10] 
[ 5613.220223][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5613.220223][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5613.220223][   T10]      ipv6_find_idev+0x102/0x170
[ 5613.220223][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5613.220223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.220223][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.220223][   T10]      netlink_unicast+0x449/0x710
[ 5613.220223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.220223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.220223][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.220223][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.220223][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.220223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.220223][   T10] 
[ 5613.221970][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5613.221970][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5613.221970][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5613.221970][   T10]      ipv6_find_idev+0x102/0x170
[ 5613.221970][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5613.221970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5613.221970][   T10]      netlink_rcv_skb+0x130/0x360
[ 5613.221970][   T10]      netlink_unicast+0x449/0x710
[ 5613.221970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5613.221970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5613.221970][   T10]      ___sys_sendmsg+0xee/0x170
[ 5613.221970][   T10]      __sys_sendmsg+0xcd/0x170
[ 5613.221970][   T10]      do_syscall_64+0xc6/0x1e0
[ 5613.221970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5613.221970][   T10] 
[ 5623.352717][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5623.353183][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.353183][   T10]      dst_init+0x84/0x4a0
[ 5623.353183][   T10]      dst_alloc+0x97/0x150
[ 5623.353183][   T10]      ip6_dst_alloc+0x23/0x90
[ 5623.353183][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5623.353183][   T10]      ip6_pol_route+0x56f/0x840
[ 5623.353183][   T10]      fib6_rule_lookup+0x456/0x630
[ 5623.353183][   T10]      ip6_route_input+0x59c/0xa50
[ 5623.353183][   T10]      ipv6_rcv+0x397/0x810
[ 5623.353183][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5623.353183][   T10]      process_backlog+0x101/0x620
[ 5623.353183][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5623.353183][   T10]      net_rx_action+0x495/0xbe0
[ 5623.353183][   T10]      __do_softirq+0x1b5/0x7f6
[ 5623.353183][   T10] 
[ 5623.354885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.354885][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5623.354885][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5623.354885][   T10]      fib6_nh_init+0xa22/0x1580
[ 5623.354885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.354885][   T10]      ip6_route_add+0x1c/0x140
[ 5623.354885][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5623.354885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.354885][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.354885][   T10]      netlink_unicast+0x449/0x710
[ 5623.354885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.354885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.354885][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.354885][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.354885][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.354885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.354885][   T10] 
[ 5623.356796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.356796][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.356796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.356796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.356796][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5623.356796][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5623.356796][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5623.356796][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5623.356796][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5623.356796][   T10]      addrconf_dad_begin+0x310/0x670
[ 5623.356796][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5623.356796][   T10]      process_one_work+0x84d/0x18a0
[ 5623.356796][   T10]      worker_thread+0x587/0xd30
[ 5623.356796][   T10]      kthread+0x28a/0x350
[ 5623.356796][   T10]      ret_from_fork+0x31/0x70
[ 5623.356796][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5623.356796][   T10] 
[ 5623.358738][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.358738][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.358738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.358738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.358738][   T10]      ip6_route_add+0x1c/0x140
[ 5623.358738][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5623.358738][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5623.358738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.358738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.358738][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.358738][   T10]      netlink_unicast+0x449/0x710
[ 5623.358738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.358738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.358738][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.358738][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.358738][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.358738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.358738][   T10] 
[ 5623.360773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.360773][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.360773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.360773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.360773][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5623.360773][   T10]      ipv6_add_addr+0x411/0x2000
[ 5623.360773][   T10]      inet6_addr_add+0x30e/0xa40
[ 5623.360773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.360773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.360773][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.360773][   T10]      netlink_unicast+0x449/0x710
[ 5623.360773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.360773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.360773][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.360773][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.360773][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.360773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.360773][   T10] 
[ 5623.362798][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.362798][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.362798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.362798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.362798][   T10]      ip6_route_add+0x1c/0x140
[ 5623.362798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5623.362798][   T10]      addrconf_add_dev+0xe2/0x170
[ 5623.362798][   T10]      inet6_addr_add+0x12f/0xa40
[ 5623.362798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.362798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.362798][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.362798][   T10]      netlink_unicast+0x449/0x710
[ 5623.362798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.362798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.362798][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.362798][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.362798][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.362798][   T10] 
[ 5623.364777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.364777][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5623.364777][   T10]      ipv6_find_idev+0x102/0x170
[ 5623.364777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5623.364777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.364777][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.364777][   T10]      netlink_unicast+0x449/0x710
[ 5623.364777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.364777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.364777][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.364777][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.364777][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.364777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.364777][   T10] 
[ 5623.366332][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5623.366332][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5623.366332][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5623.366332][   T10]      ipv6_find_idev+0x102/0x170
[ 5623.366332][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5623.366332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.366332][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.366332][   T10]      netlink_unicast+0x449/0x710
[ 5623.366332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.366332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.366332][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.366332][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.366332][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.366332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.366332][   T10] 
[ 5623.368057][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5623.368300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.368300][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5623.368300][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5623.368300][   T10]      fib6_nh_init+0xa22/0x1580
[ 5623.368300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.368300][   T10]      ip6_route_add+0x1c/0x140
[ 5623.368300][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5623.368300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.368300][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.368300][   T10]      netlink_unicast+0x449/0x710
[ 5623.368300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.368300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.368300][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.368300][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.368300][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.368300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.368300][   T10] 
[ 5623.370212][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.370212][   T10]      dst_init+0x84/0x4a0
[ 5623.370212][   T10]      dst_alloc+0x97/0x150
[ 5623.370212][   T10]      ip6_dst_alloc+0x23/0x90
[ 5623.370212][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5623.370212][   T10]      ip6_pol_route+0x56f/0x840
[ 5623.370212][   T10]      fib6_rule_lookup+0x456/0x630
[ 5623.370212][   T10]      ip6_route_input+0x59c/0xa50
[ 5623.370212][   T10]      ipv6_rcv+0x397/0x810
[ 5623.370212][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5623.370212][   T10]      process_backlog+0x101/0x620
[ 5623.370212][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5623.370212][   T10]      net_rx_action+0x495/0xbe0
[ 5623.370212][   T10]      __do_softirq+0x1b5/0x7f6
[ 5623.370212][   T10] 
[ 5623.371863][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.371863][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.371863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.371863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.371863][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5623.371863][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5623.371863][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5623.371863][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5623.371863][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5623.371863][   T10]      addrconf_dad_begin+0x310/0x670
[ 5623.371863][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5623.371863][   T10]      process_one_work+0x84d/0x18a0
[ 5623.371863][   T10]      worker_thread+0x587/0xd30
[ 5623.371863][   T10]      kthread+0x28a/0x350
[ 5623.371863][   T10]      ret_from_fork+0x31/0x70
[ 5623.371863][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5623.371863][   T10] 
[ 5623.373787][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.373787][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.373787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.373787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.373787][   T10]      ip6_route_add+0x1c/0x140
[ 5623.373787][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5623.373787][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5623.373787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.373787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.373787][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.373787][   T10]      netlink_unicast+0x449/0x710
[ 5623.373787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.373787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.373787][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.373787][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.373787][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.373787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.373787][   T10] 
[ 5623.375827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.375827][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.375827][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.375827][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.375827][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5623.375827][   T10]      ipv6_add_addr+0x411/0x2000
[ 5623.375827][   T10]      inet6_addr_add+0x30e/0xa40
[ 5623.375827][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.375827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.375827][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.375827][   T10]      netlink_unicast+0x449/0x710
[ 5623.375827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.375827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.375827][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.375827][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.375827][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.375827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.375827][   T10] 
[ 5623.377857][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.377857][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.377857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.377857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.377857][   T10]      ip6_route_add+0x1c/0x140
[ 5623.377857][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5623.377857][   T10]      addrconf_add_dev+0xe2/0x170
[ 5623.377857][   T10]      inet6_addr_add+0x12f/0xa40
[ 5623.377857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.377857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.377857][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.377857][   T10]      netlink_unicast+0x449/0x710
[ 5623.377857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.377857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.377857][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.377857][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.377857][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.377857][   T10] 
[ 5623.380053][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.380053][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5623.380053][   T10]      ipv6_find_idev+0x102/0x170
[ 5623.380053][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5623.380053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.380053][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.380053][   T10]      netlink_unicast+0x449/0x710
[ 5623.380053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.380053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.380053][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.380053][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.380053][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.380053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.380053][   T10] 
[ 5623.381852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5623.381852][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5623.381852][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5623.381852][   T10]      ipv6_find_idev+0x102/0x170
[ 5623.381852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5623.381852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.381852][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.381852][   T10]      netlink_unicast+0x449/0x710
[ 5623.381852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.381852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.381852][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.381852][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.381852][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.381852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.381852][   T10] 
[ 5623.383749][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5623.383990][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5623.383990][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.383990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.383990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.383990][   T10]      ip6_route_add+0x1c/0x140
[ 5623.383990][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5623.383990][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5623.383990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.383990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.383990][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.383990][   T10]      netlink_unicast+0x449/0x710
[ 5623.383990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.383990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.383990][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.383990][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.383990][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.383990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.383990][   T10] 
[ 5623.386256][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5623.386256][   T10]      netdev_get_by_index+0x5e/0x80
[ 5623.386256][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5623.386256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5623.386256][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5623.386256][   T10]      ipv6_add_addr+0x411/0x2000
[ 5623.386256][   T10]      inet6_addr_add+0x30e/0xa40
[ 5623.386256][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5623.386256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.386256][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.386256][   T10]      netlink_unicast+0x449/0x710
[ 5623.386256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.386256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.386256][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.386256][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.386256][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.386256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.386256][   T10] 
[ 5623.388517][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5623.388517][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5623.388517][   T10]      ipv6_find_idev+0x102/0x170
[ 5623.388517][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5623.388517][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.388517][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.388517][   T10]      netlink_unicast+0x449/0x710
[ 5623.388517][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.388517][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.388517][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.388517][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.388517][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.388517][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.388517][   T10] 
[ 5623.390323][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5623.390323][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5623.390323][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5623.390323][   T10]      ipv6_find_idev+0x102/0x170
[ 5623.390323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5623.390323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5623.390323][   T10]      netlink_rcv_skb+0x130/0x360
[ 5623.390323][   T10]      netlink_unicast+0x449/0x710
[ 5623.390323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5623.390323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5623.390323][   T10]      ___sys_sendmsg+0xee/0x170
[ 5623.390323][   T10]      __sys_sendmsg+0xcd/0x170
[ 5623.390323][   T10]      do_syscall_64+0xc6/0x1e0
[ 5623.390323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5623.390323][   T10] 
[ 5633.400710][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5633.401200][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.401200][   T10]      dst_init+0x84/0x4a0
[ 5633.401200][   T10]      dst_alloc+0x97/0x150
[ 5633.401200][   T10]      ip6_dst_alloc+0x23/0x90
[ 5633.401200][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5633.401200][   T10]      ip6_pol_route+0x56f/0x840
[ 5633.401200][   T10]      fib6_rule_lookup+0x456/0x630
[ 5633.401200][   T10]      ip6_route_input+0x59c/0xa50
[ 5633.401200][   T10]      ipv6_rcv+0x397/0x810
[ 5633.401200][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5633.401200][   T10]      process_backlog+0x101/0x620
[ 5633.401200][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5633.401200][   T10]      net_rx_action+0x495/0xbe0
[ 5633.401200][   T10]      __do_softirq+0x1b5/0x7f6
[ 5633.401200][   T10] 
[ 5633.402895][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.402895][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5633.402895][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5633.402895][   T10]      fib6_nh_init+0xa22/0x1580
[ 5633.402895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.402895][   T10]      ip6_route_add+0x1c/0x140
[ 5633.402895][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5633.402895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.402895][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.402895][   T10]      netlink_unicast+0x449/0x710
[ 5633.402895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.402895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.402895][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.402895][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.402895][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.402895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.402895][   T10] 
[ 5633.404809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.404809][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.404809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.404809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.404809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5633.404809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5633.404809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5633.404809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5633.404809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5633.404809][   T10]      addrconf_dad_begin+0x310/0x670
[ 5633.404809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5633.404809][   T10]      process_one_work+0x84d/0x18a0
[ 5633.404809][   T10]      worker_thread+0x587/0xd30
[ 5633.404809][   T10]      kthread+0x28a/0x350
[ 5633.404809][   T10]      ret_from_fork+0x31/0x70
[ 5633.404809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5633.404809][   T10] 
[ 5633.406754][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.406754][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.406754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.406754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.406754][   T10]      ip6_route_add+0x1c/0x140
[ 5633.406754][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5633.406754][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5633.406754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.406754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.406754][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.406754][   T10]      netlink_unicast+0x449/0x710
[ 5633.406754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.406754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.406754][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.406754][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.406754][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.406754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.406754][   T10] 
[ 5633.408779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.408779][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.408779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.408779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.408779][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5633.408779][   T10]      ipv6_add_addr+0x411/0x2000
[ 5633.408779][   T10]      inet6_addr_add+0x30e/0xa40
[ 5633.408779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.408779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.408779][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.408779][   T10]      netlink_unicast+0x449/0x710
[ 5633.408779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.408779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.408779][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.408779][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.408779][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.408779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.408779][   T10] 
[ 5633.410835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.410835][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.410835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.410835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.410835][   T10]      ip6_route_add+0x1c/0x140
[ 5633.410835][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5633.410835][   T10]      addrconf_add_dev+0xe2/0x170
[ 5633.410835][   T10]      inet6_addr_add+0x12f/0xa40
[ 5633.410835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.410835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.410835][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.410835][   T10]      netlink_unicast+0x449/0x710
[ 5633.410835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.410835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.410835][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.410835][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.410835][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.410835][   T10] 
[ 5633.412827][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.412827][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5633.412827][   T10]      ipv6_find_idev+0x102/0x170
[ 5633.412827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5633.412827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.412827][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.412827][   T10]      netlink_unicast+0x449/0x710
[ 5633.412827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.412827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.412827][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.412827][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.412827][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.412827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.412827][   T10] 
[ 5633.414920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5633.414920][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5633.414920][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5633.414920][   T10]      ipv6_find_idev+0x102/0x170
[ 5633.414920][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5633.414920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.414920][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.414920][   T10]      netlink_unicast+0x449/0x710
[ 5633.414920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.414920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.414920][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.414920][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.414920][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.414920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.414920][   T10] 
[ 5633.416684][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5633.416929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.416929][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5633.416929][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5633.416929][   T10]      fib6_nh_init+0xa22/0x1580
[ 5633.416929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.416929][   T10]      ip6_route_add+0x1c/0x140
[ 5633.416929][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5633.416929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.416929][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.416929][   T10]      netlink_unicast+0x449/0x710
[ 5633.416929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.416929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.416929][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.416929][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.416929][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.416929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.416929][   T10] 
[ 5633.418837][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.418837][   T10]      dst_init+0x84/0x4a0
[ 5633.418837][   T10]      dst_alloc+0x97/0x150
[ 5633.418837][   T10]      ip6_dst_alloc+0x23/0x90
[ 5633.418837][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5633.418837][   T10]      ip6_pol_route+0x56f/0x840
[ 5633.418837][   T10]      fib6_rule_lookup+0x456/0x630
[ 5633.418837][   T10]      ip6_route_input+0x59c/0xa50
[ 5633.418837][   T10]      ipv6_rcv+0x397/0x810
[ 5633.418837][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5633.418837][   T10]      process_backlog+0x101/0x620
[ 5633.418837][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5633.418837][   T10]      net_rx_action+0x495/0xbe0
[ 5633.418837][   T10]      __do_softirq+0x1b5/0x7f6
[ 5633.418837][   T10] 
[ 5633.420497][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.420497][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.420497][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.420497][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.420497][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5633.420497][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5633.420497][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5633.420497][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5633.420497][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5633.420497][   T10]      addrconf_dad_begin+0x310/0x670
[ 5633.420497][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5633.420497][   T10]      process_one_work+0x84d/0x18a0
[ 5633.420497][   T10]      worker_thread+0x587/0xd30
[ 5633.420497][   T10]      kthread+0x28a/0x350
[ 5633.420497][   T10]      ret_from_fork+0x31/0x70
[ 5633.420497][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5633.420497][   T10] 
[ 5633.422429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.422429][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.422429][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.422429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.422429][   T10]      ip6_route_add+0x1c/0x140
[ 5633.422429][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5633.422429][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5633.422429][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.422429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.422429][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.422429][   T10]      netlink_unicast+0x449/0x710
[ 5633.422429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.422429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.422429][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.422429][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.422429][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.422429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.422429][   T10] 
[ 5633.424552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.424552][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.424552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.424552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.424552][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5633.424552][   T10]      ipv6_add_addr+0x411/0x2000
[ 5633.424552][   T10]      inet6_addr_add+0x30e/0xa40
[ 5633.424552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.424552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.424552][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.424552][   T10]      netlink_unicast+0x449/0x710
[ 5633.424552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.424552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.424552][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.424552][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.424552][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.424552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.424552][   T10] 
[ 5633.426577][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.426577][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.426577][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.426577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.426577][   T10]      ip6_route_add+0x1c/0x140
[ 5633.426577][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5633.426577][   T10]      addrconf_add_dev+0xe2/0x170
[ 5633.426577][   T10]      inet6_addr_add+0x12f/0xa40
[ 5633.426577][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.426577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.426577][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.426577][   T10]      netlink_unicast+0x449/0x710
[ 5633.426577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.426577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.426577][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.426577][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.426577][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.426577][   T10] 
[ 5633.428748][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.428748][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5633.428748][   T10]      ipv6_find_idev+0x102/0x170
[ 5633.428748][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5633.428748][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.428748][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.428748][   T10]      netlink_unicast+0x449/0x710
[ 5633.428748][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.428748][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.428748][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.428748][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.428748][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.428748][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.428748][   T10] 
[ 5633.430494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5633.430494][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5633.430494][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5633.430494][   T10]      ipv6_find_idev+0x102/0x170
[ 5633.430494][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5633.430494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.430494][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.430494][   T10]      netlink_unicast+0x449/0x710
[ 5633.430494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.430494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.430494][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.430494][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.430494][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.430494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.430494][   T10] 
[ 5633.432471][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5633.432742][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5633.432742][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.432742][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.432742][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.432742][   T10]      ip6_route_add+0x1c/0x140
[ 5633.432742][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5633.432742][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5633.432742][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.432742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.432742][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.432742][   T10]      netlink_unicast+0x449/0x710
[ 5633.432742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.432742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.432742][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.432742][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.432742][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.432742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.432742][   T10] 
[ 5633.435011][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5633.435011][   T10]      netdev_get_by_index+0x5e/0x80
[ 5633.435011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5633.435011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5633.435011][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5633.435011][   T10]      ipv6_add_addr+0x411/0x2000
[ 5633.435011][   T10]      inet6_addr_add+0x30e/0xa40
[ 5633.435011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5633.435011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.435011][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.435011][   T10]      netlink_unicast+0x449/0x710
[ 5633.435011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.435011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.435011][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.435011][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.435011][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.435011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.435011][   T10] 
[ 5633.437297][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5633.437297][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5633.437297][   T10]      ipv6_find_idev+0x102/0x170
[ 5633.437297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5633.437297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.437297][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.437297][   T10]      netlink_unicast+0x449/0x710
[ 5633.437297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.437297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.437297][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.437297][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.437297][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.437297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.437297][   T10] 
[ 5633.439035][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5633.439035][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5633.439035][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5633.439035][   T10]      ipv6_find_idev+0x102/0x170
[ 5633.439035][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5633.439035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5633.439035][   T10]      netlink_rcv_skb+0x130/0x360
[ 5633.439035][   T10]      netlink_unicast+0x449/0x710
[ 5633.439035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5633.439035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5633.439035][   T10]      ___sys_sendmsg+0xee/0x170
[ 5633.439035][   T10]      __sys_sendmsg+0xcd/0x170
[ 5633.439035][   T10]      do_syscall_64+0xc6/0x1e0
[ 5633.439035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5633.439035][   T10] 
[ 5643.680698][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5643.681120][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.681120][   T10]      dst_init+0x84/0x4a0
[ 5643.681120][   T10]      dst_alloc+0x97/0x150
[ 5643.681120][   T10]      ip6_dst_alloc+0x23/0x90
[ 5643.681120][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5643.681120][   T10]      ip6_pol_route+0x56f/0x840
[ 5643.681120][   T10]      fib6_rule_lookup+0x456/0x630
[ 5643.681120][   T10]      ip6_route_input+0x59c/0xa50
[ 5643.681120][   T10]      ipv6_rcv+0x397/0x810
[ 5643.681120][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5643.681120][   T10]      process_backlog+0x101/0x620
[ 5643.681120][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5643.681120][   T10]      net_rx_action+0x495/0xbe0
[ 5643.681120][   T10]      __do_softirq+0x1b5/0x7f6
[ 5643.681120][   T10] 
[ 5643.682802][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.682802][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5643.682802][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5643.682802][   T10]      fib6_nh_init+0xa22/0x1580
[ 5643.682802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.682802][   T10]      ip6_route_add+0x1c/0x140
[ 5643.682802][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5643.682802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.682802][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.682802][   T10]      netlink_unicast+0x449/0x710
[ 5643.682802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.682802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.682802][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.682802][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.682802][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.682802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.682802][   T10] 
[ 5643.684833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.684833][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.684833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.684833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.684833][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5643.684833][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5643.684833][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5643.684833][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5643.684833][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5643.684833][   T10]      addrconf_dad_begin+0x310/0x670
[ 5643.684833][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5643.684833][   T10]      process_one_work+0x84d/0x18a0
[ 5643.684833][   T10]      worker_thread+0x587/0xd30
[ 5643.684833][   T10]      kthread+0x28a/0x350
[ 5643.684833][   T10]      ret_from_fork+0x31/0x70
[ 5643.684833][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5643.684833][   T10] 
[ 5643.686773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.686773][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.686773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.686773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.686773][   T10]      ip6_route_add+0x1c/0x140
[ 5643.686773][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5643.686773][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5643.686773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.686773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.686773][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.686773][   T10]      netlink_unicast+0x449/0x710
[ 5643.686773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.686773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.686773][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.686773][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.686773][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.686773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.686773][   T10] 
[ 5643.688796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.688796][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.688796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.688796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.688796][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5643.688796][   T10]      ipv6_add_addr+0x411/0x2000
[ 5643.688796][   T10]      inet6_addr_add+0x30e/0xa40
[ 5643.688796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.688796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.688796][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.688796][   T10]      netlink_unicast+0x449/0x710
[ 5643.688796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.688796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.688796][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.688796][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.688796][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.688796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.688796][   T10] 
[ 5643.690835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.690835][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.690835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.690835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.690835][   T10]      ip6_route_add+0x1c/0x140
[ 5643.690835][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5643.690835][   T10]      addrconf_add_dev+0xe2/0x170
[ 5643.690835][   T10]      inet6_addr_add+0x12f/0xa40
[ 5643.690835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.690835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.690835][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.690835][   T10]      netlink_unicast+0x449/0x710
[ 5643.690835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.690835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.690835][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.690835][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.690835][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.690835][   T10] 
[ 5643.692831][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.692831][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5643.692831][   T10]      ipv6_find_idev+0x102/0x170
[ 5643.692831][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5643.692831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.692831][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.692831][   T10]      netlink_unicast+0x449/0x710
[ 5643.692831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.692831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.692831][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.692831][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.692831][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.692831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.692831][   T10] 
[ 5643.694361][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5643.694361][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5643.694361][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5643.694361][   T10]      ipv6_find_idev+0x102/0x170
[ 5643.694361][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5643.694361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.694361][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.694361][   T10]      netlink_unicast+0x449/0x710
[ 5643.694361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.694361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.694361][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.694361][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.694361][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.694361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.694361][   T10] 
[ 5643.696059][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5643.696306][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.696306][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5643.696306][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5643.696306][   T10]      fib6_nh_init+0xa22/0x1580
[ 5643.696306][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.696306][   T10]      ip6_route_add+0x1c/0x140
[ 5643.696306][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5643.696306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.696306][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.696306][   T10]      netlink_unicast+0x449/0x710
[ 5643.696306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.696306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.696306][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.696306][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.696306][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.696306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.696306][   T10] 
[ 5643.698199][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.698199][   T10]      dst_init+0x84/0x4a0
[ 5643.698199][   T10]      dst_alloc+0x97/0x150
[ 5643.698199][   T10]      ip6_dst_alloc+0x23/0x90
[ 5643.698199][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5643.698199][   T10]      ip6_pol_route+0x56f/0x840
[ 5643.698199][   T10]      fib6_rule_lookup+0x456/0x630
[ 5643.698199][   T10]      ip6_route_input+0x59c/0xa50
[ 5643.698199][   T10]      ipv6_rcv+0x397/0x810
[ 5643.698199][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5643.698199][   T10]      process_backlog+0x101/0x620
[ 5643.698199][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5643.698199][   T10]      net_rx_action+0x495/0xbe0
[ 5643.698199][   T10]      __do_softirq+0x1b5/0x7f6
[ 5643.698199][   T10] 
[ 5643.699892][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.699892][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.699892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.699892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.699892][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5643.699892][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5643.699892][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5643.699892][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5643.699892][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5643.699892][   T10]      addrconf_dad_begin+0x310/0x670
[ 5643.699892][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5643.699892][   T10]      process_one_work+0x84d/0x18a0
[ 5643.699892][   T10]      worker_thread+0x587/0xd30
[ 5643.699892][   T10]      kthread+0x28a/0x350
[ 5643.699892][   T10]      ret_from_fork+0x31/0x70
[ 5643.699892][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5643.699892][   T10] 
[ 5643.701829][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.701829][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.701829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.701829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.701829][   T10]      ip6_route_add+0x1c/0x140
[ 5643.701829][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5643.701829][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5643.701829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.701829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.701829][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.701829][   T10]      netlink_unicast+0x449/0x710
[ 5643.701829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.701829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.701829][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.701829][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.701829][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.701829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.701829][   T10] 
[ 5643.703847][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.703847][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.703847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.703847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.703847][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5643.703847][   T10]      ipv6_add_addr+0x411/0x2000
[ 5643.703847][   T10]      inet6_addr_add+0x30e/0xa40
[ 5643.703847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.703847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.703847][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.703847][   T10]      netlink_unicast+0x449/0x710
[ 5643.703847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.703847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.703847][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.703847][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.703847][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.703847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.703847][   T10] 
[ 5643.705863][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.705863][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.705863][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.705863][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.705863][   T10]      ip6_route_add+0x1c/0x140
[ 5643.705863][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5643.705863][   T10]      addrconf_add_dev+0xe2/0x170
[ 5643.705863][   T10]      inet6_addr_add+0x12f/0xa40
[ 5643.705863][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.705863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.705863][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.705863][   T10]      netlink_unicast+0x449/0x710
[ 5643.705863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.705863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.705863][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.705863][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.705863][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.705863][   T10] 
[ 5643.708038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.708038][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5643.708038][   T10]      ipv6_find_idev+0x102/0x170
[ 5643.708038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5643.708038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.708038][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.708038][   T10]      netlink_unicast+0x449/0x710
[ 5643.708038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.708038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.708038][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.708038][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.708038][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.708038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.708038][   T10] 
[ 5643.709852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5643.709852][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5643.709852][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5643.709852][   T10]      ipv6_find_idev+0x102/0x170
[ 5643.709852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5643.709852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.709852][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.709852][   T10]      netlink_unicast+0x449/0x710
[ 5643.709852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.709852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.709852][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.709852][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.709852][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.709852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.709852][   T10] 
[ 5643.711750][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5643.711995][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5643.711995][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.711995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.711995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.711995][   T10]      ip6_route_add+0x1c/0x140
[ 5643.711995][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5643.711995][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5643.711995][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.711995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.711995][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.711995][   T10]      netlink_unicast+0x449/0x710
[ 5643.711995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.711995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.711995][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.711995][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.711995][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.711995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.711995][   T10] 
[ 5643.714234][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5643.714234][   T10]      netdev_get_by_index+0x5e/0x80
[ 5643.714234][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5643.714234][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5643.714234][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5643.714234][   T10]      ipv6_add_addr+0x411/0x2000
[ 5643.714234][   T10]      inet6_addr_add+0x30e/0xa40
[ 5643.714234][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5643.714234][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.714234][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.714234][   T10]      netlink_unicast+0x449/0x710
[ 5643.714234][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.714234][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.714234][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.714234][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.714234][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.714234][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.714234][   T10] 
[ 5643.716470][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5643.716470][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5643.716470][   T10]      ipv6_find_idev+0x102/0x170
[ 5643.716470][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5643.716470][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.716470][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.716470][   T10]      netlink_unicast+0x449/0x710
[ 5643.716470][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.716470][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.716470][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.716470][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.716470][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.716470][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.716470][   T10] 
[ 5643.718286][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5643.718286][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5643.718286][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5643.718286][   T10]      ipv6_find_idev+0x102/0x170
[ 5643.718286][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5643.718286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5643.718286][   T10]      netlink_rcv_skb+0x130/0x360
[ 5643.718286][   T10]      netlink_unicast+0x449/0x710
[ 5643.718286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5643.718286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5643.718286][   T10]      ___sys_sendmsg+0xee/0x170
[ 5643.718286][   T10]      __sys_sendmsg+0xcd/0x170
[ 5643.718286][   T10]      do_syscall_64+0xc6/0x1e0
[ 5643.718286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5643.718286][   T10] 
[ 5653.960776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5653.961266][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.961266][   T10]      dst_init+0x84/0x4a0
[ 5653.961266][   T10]      dst_alloc+0x97/0x150
[ 5653.961266][   T10]      ip6_dst_alloc+0x23/0x90
[ 5653.961266][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5653.961266][   T10]      ip6_pol_route+0x56f/0x840
[ 5653.961266][   T10]      fib6_rule_lookup+0x456/0x630
[ 5653.961266][   T10]      ip6_route_input+0x59c/0xa50
[ 5653.961266][   T10]      ipv6_rcv+0x397/0x810
[ 5653.961266][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5653.961266][   T10]      process_backlog+0x101/0x620
[ 5653.961266][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5653.961266][   T10]      net_rx_action+0x495/0xbe0
[ 5653.961266][   T10]      __do_softirq+0x1b5/0x7f6
[ 5653.961266][   T10] 
[ 5653.962851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.962851][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5653.962851][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5653.962851][   T10]      fib6_nh_init+0xa22/0x1580
[ 5653.962851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.962851][   T10]      ip6_route_add+0x1c/0x140
[ 5653.962851][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5653.962851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.962851][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.962851][   T10]      netlink_unicast+0x449/0x710
[ 5653.962851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.962851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.962851][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.962851][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.962851][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.962851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.962851][   T10] 
[ 5653.964679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.964679][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.964679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.964679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.964679][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5653.964679][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5653.964679][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5653.964679][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5653.964679][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5653.964679][   T10]      addrconf_dad_begin+0x310/0x670
[ 5653.964679][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5653.964679][   T10]      process_one_work+0x84d/0x18a0
[ 5653.964679][   T10]      worker_thread+0x587/0xd30
[ 5653.964679][   T10]      kthread+0x28a/0x350
[ 5653.964679][   T10]      ret_from_fork+0x31/0x70
[ 5653.964679][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5653.964679][   T10] 
[ 5653.966605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.966605][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.966605][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.966605][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.966605][   T10]      ip6_route_add+0x1c/0x140
[ 5653.966605][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5653.966605][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5653.966605][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.966605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.966605][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.966605][   T10]      netlink_unicast+0x449/0x710
[ 5653.966605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.966605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.966605][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.966605][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.966605][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.966605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.966605][   T10] 
[ 5653.968608][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.968608][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.968608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.968608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.968608][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5653.968608][   T10]      ipv6_add_addr+0x411/0x2000
[ 5653.968608][   T10]      inet6_addr_add+0x30e/0xa40
[ 5653.968608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.968608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.968608][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.968608][   T10]      netlink_unicast+0x449/0x710
[ 5653.968608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.968608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.968608][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.968608][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.968608][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.968608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.968608][   T10] 
[ 5653.970637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.970637][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.970637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.970637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.970637][   T10]      ip6_route_add+0x1c/0x140
[ 5653.970637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5653.970637][   T10]      addrconf_add_dev+0xe2/0x170
[ 5653.970637][   T10]      inet6_addr_add+0x12f/0xa40
[ 5653.970637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.970637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.970637][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.970637][   T10]      netlink_unicast+0x449/0x710
[ 5653.970637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.970637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.970637][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.970637][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.970637][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.970637][   T10] 
[ 5653.972575][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.972575][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5653.972575][   T10]      ipv6_find_idev+0x102/0x170
[ 5653.972575][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5653.972575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.972575][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.972575][   T10]      netlink_unicast+0x449/0x710
[ 5653.972575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.972575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.972575][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.972575][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.972575][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.972575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.972575][   T10] 
[ 5653.974092][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5653.974092][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5653.974092][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5653.974092][   T10]      ipv6_find_idev+0x102/0x170
[ 5653.974092][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5653.974092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.974092][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.974092][   T10]      netlink_unicast+0x449/0x710
[ 5653.974092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.974092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.974092][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.974092][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.974092][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.974092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.974092][   T10] 
[ 5653.975806][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5653.976082][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.976082][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5653.976082][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5653.976082][   T10]      fib6_nh_init+0xa22/0x1580
[ 5653.976082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.976082][   T10]      ip6_route_add+0x1c/0x140
[ 5653.976082][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5653.976082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.976082][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.976082][   T10]      netlink_unicast+0x449/0x710
[ 5653.976082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.976082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.976082][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.976082][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.976082][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.976082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.976082][   T10] 
[ 5653.977987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.977987][   T10]      dst_init+0x84/0x4a0
[ 5653.977987][   T10]      dst_alloc+0x97/0x150
[ 5653.977987][   T10]      ip6_dst_alloc+0x23/0x90
[ 5653.977987][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5653.977987][   T10]      ip6_pol_route+0x56f/0x840
[ 5653.977987][   T10]      fib6_rule_lookup+0x456/0x630
[ 5653.977987][   T10]      ip6_route_input+0x59c/0xa50
[ 5653.977987][   T10]      ipv6_rcv+0x397/0x810
[ 5653.977987][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5653.977987][   T10]      process_backlog+0x101/0x620
[ 5653.977987][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5653.977987][   T10]      net_rx_action+0x495/0xbe0
[ 5653.977987][   T10]      __do_softirq+0x1b5/0x7f6
[ 5653.977987][   T10] 
[ 5653.979623][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.979623][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.979623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.979623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.979623][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5653.979623][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5653.979623][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5653.979623][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5653.979623][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5653.979623][   T10]      addrconf_dad_begin+0x310/0x670
[ 5653.979623][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5653.979623][   T10]      process_one_work+0x84d/0x18a0
[ 5653.979623][   T10]      worker_thread+0x587/0xd30
[ 5653.979623][   T10]      kthread+0x28a/0x350
[ 5653.979623][   T10]      ret_from_fork+0x31/0x70
[ 5653.979623][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5653.979623][   T10] 
[ 5653.981579][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.981579][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.981579][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.981579][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.981579][   T10]      ip6_route_add+0x1c/0x140
[ 5653.981579][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5653.981579][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5653.981579][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.981579][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.981579][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.981579][   T10]      netlink_unicast+0x449/0x710
[ 5653.981579][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.981579][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.981579][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.981579][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.981579][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.981579][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.981579][   T10] 
[ 5653.983608][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.983608][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.983608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.983608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.983608][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5653.983608][   T10]      ipv6_add_addr+0x411/0x2000
[ 5653.983608][   T10]      inet6_addr_add+0x30e/0xa40
[ 5653.983608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.983608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.983608][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.983608][   T10]      netlink_unicast+0x449/0x710
[ 5653.983608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.983608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.983608][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.983608][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.983608][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.983608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.983608][   T10] 
[ 5653.985659][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.985659][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.985659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.985659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.985659][   T10]      ip6_route_add+0x1c/0x140
[ 5653.985659][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5653.985659][   T10]      addrconf_add_dev+0xe2/0x170
[ 5653.985659][   T10]      inet6_addr_add+0x12f/0xa40
[ 5653.985659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.985659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.985659][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.985659][   T10]      netlink_unicast+0x449/0x710
[ 5653.985659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.985659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.985659][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.985659][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.985659][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.985659][   T10] 
[ 5653.987937][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.987937][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5653.987937][   T10]      ipv6_find_idev+0x102/0x170
[ 5653.987937][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5653.987937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.987937][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.987937][   T10]      netlink_unicast+0x449/0x710
[ 5653.987937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.987937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.987937][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.987937][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.987937][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.987937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.987937][   T10] 
[ 5653.989691][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5653.989691][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5653.989691][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5653.989691][   T10]      ipv6_find_idev+0x102/0x170
[ 5653.989691][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5653.989691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.989691][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.989691][   T10]      netlink_unicast+0x449/0x710
[ 5653.989691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.989691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.989691][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.989691][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.989691][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.989691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.989691][   T10] 
[ 5653.991668][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5653.991913][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5653.991913][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.991913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.991913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.991913][   T10]      ip6_route_add+0x1c/0x140
[ 5653.991913][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5653.991913][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5653.991913][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.991913][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.991913][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.991913][   T10]      netlink_unicast+0x449/0x710
[ 5653.991913][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.991913][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.991913][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.991913][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.991913][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.991913][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.991913][   T10] 
[ 5653.994212][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5653.994212][   T10]      netdev_get_by_index+0x5e/0x80
[ 5653.994212][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5653.994212][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5653.994212][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5653.994212][   T10]      ipv6_add_addr+0x411/0x2000
[ 5653.994212][   T10]      inet6_addr_add+0x30e/0xa40
[ 5653.994212][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5653.994212][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.994212][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.994212][   T10]      netlink_unicast+0x449/0x710
[ 5653.994212][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.994212][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.994212][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.994212][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.994212][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.994212][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.994212][   T10] 
[ 5653.996520][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5653.996520][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5653.996520][   T10]      ipv6_find_idev+0x102/0x170
[ 5653.996520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5653.996520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.996520][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.996520][   T10]      netlink_unicast+0x449/0x710
[ 5653.996520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.996520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.996520][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.996520][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.996520][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.996520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.996520][   T10] 
[ 5653.998246][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5653.998246][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5653.998246][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5653.998246][   T10]      ipv6_find_idev+0x102/0x170
[ 5653.998246][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5653.998246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5653.998246][   T10]      netlink_rcv_skb+0x130/0x360
[ 5653.998246][   T10]      netlink_unicast+0x449/0x710
[ 5653.998246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5653.998246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5653.998246][   T10]      ___sys_sendmsg+0xee/0x170
[ 5653.998246][   T10]      __sys_sendmsg+0xcd/0x170
[ 5653.998246][   T10]      do_syscall_64+0xc6/0x1e0
[ 5653.998246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5653.998246][   T10] 
[ 5664.240773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5664.241279][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.241279][   T10]      dst_init+0x84/0x4a0
[ 5664.241279][   T10]      dst_alloc+0x97/0x150
[ 5664.241279][   T10]      ip6_dst_alloc+0x23/0x90
[ 5664.241279][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5664.241279][   T10]      ip6_pol_route+0x56f/0x840
[ 5664.241279][   T10]      fib6_rule_lookup+0x456/0x630
[ 5664.241279][   T10]      ip6_route_input+0x59c/0xa50
[ 5664.241279][   T10]      ipv6_rcv+0x397/0x810
[ 5664.241279][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5664.241279][   T10]      process_backlog+0x101/0x620
[ 5664.241279][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5664.241279][   T10]      net_rx_action+0x495/0xbe0
[ 5664.241279][   T10]      __do_softirq+0x1b5/0x7f6
[ 5664.241279][   T10] 
[ 5664.242932][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.242932][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5664.242932][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5664.242932][   T10]      fib6_nh_init+0xa22/0x1580
[ 5664.242932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.242932][   T10]      ip6_route_add+0x1c/0x140
[ 5664.242932][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5664.242932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.242932][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.242932][   T10]      netlink_unicast+0x449/0x710
[ 5664.242932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.242932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.242932][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.242932][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.242932][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.242932][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.242932][   T10] 
[ 5664.244744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.244744][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.244744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.244744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.244744][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5664.244744][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5664.244744][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5664.244744][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5664.244744][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5664.244744][   T10]      addrconf_dad_begin+0x310/0x670
[ 5664.244744][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5664.244744][   T10]      process_one_work+0x84d/0x18a0
[ 5664.244744][   T10]      worker_thread+0x587/0xd30
[ 5664.244744][   T10]      kthread+0x28a/0x350
[ 5664.244744][   T10]      ret_from_fork+0x31/0x70
[ 5664.244744][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5664.244744][   T10] 
[ 5664.246671][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.246671][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.246671][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.246671][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.246671][   T10]      ip6_route_add+0x1c/0x140
[ 5664.246671][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5664.246671][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5664.246671][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.246671][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.246671][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.246671][   T10]      netlink_unicast+0x449/0x710
[ 5664.246671][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.246671][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.246671][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.246671][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.246671][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.246671][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.246671][   T10] 
[ 5664.248707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.248707][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.248707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.248707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.248707][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5664.248707][   T10]      ipv6_add_addr+0x411/0x2000
[ 5664.248707][   T10]      inet6_addr_add+0x30e/0xa40
[ 5664.248707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.248707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.248707][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.248707][   T10]      netlink_unicast+0x449/0x710
[ 5664.248707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.248707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.248707][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.248707][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.248707][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.248707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.248707][   T10] 
[ 5664.250802][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.250802][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.250802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.250802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.250802][   T10]      ip6_route_add+0x1c/0x140
[ 5664.250802][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5664.250802][   T10]      addrconf_add_dev+0xe2/0x170
[ 5664.250802][   T10]      inet6_addr_add+0x12f/0xa40
[ 5664.250802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.250802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.250802][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.250802][   T10]      netlink_unicast+0x449/0x710
[ 5664.250802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.250802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.250802][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.250802][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.250802][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.250802][   T10] 
[ 5664.252742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.252742][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5664.252742][   T10]      ipv6_find_idev+0x102/0x170
[ 5664.252742][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5664.252742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.252742][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.252742][   T10]      netlink_unicast+0x449/0x710
[ 5664.252742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.252742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.252742][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.252742][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.252742][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.252742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.252742][   T10] 
[ 5664.254277][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5664.254277][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5664.254277][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5664.254277][   T10]      ipv6_find_idev+0x102/0x170
[ 5664.254277][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5664.254277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.254277][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.254277][   T10]      netlink_unicast+0x449/0x710
[ 5664.254277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.254277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.254277][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.254277][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.254277][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.254277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.254277][   T10] 
[ 5664.255966][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5664.256226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.256226][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5664.256226][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5664.256226][   T10]      fib6_nh_init+0xa22/0x1580
[ 5664.256226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.256226][   T10]      ip6_route_add+0x1c/0x140
[ 5664.256226][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5664.256226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.256226][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.256226][   T10]      netlink_unicast+0x449/0x710
[ 5664.256226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.256226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.256226][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.256226][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.256226][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.256226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.256226][   T10] 
[ 5664.258165][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.258165][   T10]      dst_init+0x84/0x4a0
[ 5664.258165][   T10]      dst_alloc+0x97/0x150
[ 5664.258165][   T10]      ip6_dst_alloc+0x23/0x90
[ 5664.258165][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5664.258165][   T10]      ip6_pol_route+0x56f/0x840
[ 5664.258165][   T10]      fib6_rule_lookup+0x456/0x630
[ 5664.258165][   T10]      ip6_route_input+0x59c/0xa50
[ 5664.258165][   T10]      ipv6_rcv+0x397/0x810
[ 5664.258165][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5664.258165][   T10]      process_backlog+0x101/0x620
[ 5664.258165][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5664.258165][   T10]      net_rx_action+0x495/0xbe0
[ 5664.258165][   T10]      __do_softirq+0x1b5/0x7f6
[ 5664.258165][   T10] 
[ 5664.259851][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.259851][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.259851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.259851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.259851][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5664.259851][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5664.259851][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5664.259851][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5664.259851][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5664.259851][   T10]      addrconf_dad_begin+0x310/0x670
[ 5664.259851][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5664.259851][   T10]      process_one_work+0x84d/0x18a0
[ 5664.259851][   T10]      worker_thread+0x587/0xd30
[ 5664.259851][   T10]      kthread+0x28a/0x350
[ 5664.259851][   T10]      ret_from_fork+0x31/0x70
[ 5664.259851][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5664.259851][   T10] 
[ 5664.261762][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.261762][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.261762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.261762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.261762][   T10]      ip6_route_add+0x1c/0x140
[ 5664.261762][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5664.261762][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5664.261762][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.261762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.261762][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.261762][   T10]      netlink_unicast+0x449/0x710
[ 5664.261762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.261762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.261762][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.261762][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.261762][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.261762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.261762][   T10] 
[ 5664.263734][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.263734][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.263734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.263734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.263734][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5664.263734][   T10]      ipv6_add_addr+0x411/0x2000
[ 5664.263734][   T10]      inet6_addr_add+0x30e/0xa40
[ 5664.263734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.263734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.263734][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.263734][   T10]      netlink_unicast+0x449/0x710
[ 5664.263734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.263734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.263734][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.263734][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.263734][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.263734][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.263734][   T10] 
[ 5664.265700][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.265700][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.265700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.265700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.265700][   T10]      ip6_route_add+0x1c/0x140
[ 5664.265700][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5664.265700][   T10]      addrconf_add_dev+0xe2/0x170
[ 5664.265700][   T10]      inet6_addr_add+0x12f/0xa40
[ 5664.265700][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.265700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.265700][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.265700][   T10]      netlink_unicast+0x449/0x710
[ 5664.265700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.265700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.265700][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.265700][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.265700][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.265700][   T10] 
[ 5664.267963][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.267963][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5664.267963][   T10]      ipv6_find_idev+0x102/0x170
[ 5664.267963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5664.267963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.267963][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.267963][   T10]      netlink_unicast+0x449/0x710
[ 5664.267963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.267963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.267963][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.267963][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.267963][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.267963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.267963][   T10] 
[ 5664.269764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5664.269764][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5664.269764][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5664.269764][   T10]      ipv6_find_idev+0x102/0x170
[ 5664.269764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5664.269764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.269764][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.269764][   T10]      netlink_unicast+0x449/0x710
[ 5664.269764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.269764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.269764][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.269764][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.269764][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.269764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.269764][   T10] 
[ 5664.271653][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5664.271893][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5664.271893][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.271893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.271893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.271893][   T10]      ip6_route_add+0x1c/0x140
[ 5664.271893][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5664.271893][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5664.271893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.271893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.271893][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.271893][   T10]      netlink_unicast+0x449/0x710
[ 5664.271893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.271893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.271893][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.271893][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.271893][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.271893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.271893][   T10] 
[ 5664.274138][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5664.274138][   T10]      netdev_get_by_index+0x5e/0x80
[ 5664.274138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5664.274138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5664.274138][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5664.274138][   T10]      ipv6_add_addr+0x411/0x2000
[ 5664.274138][   T10]      inet6_addr_add+0x30e/0xa40
[ 5664.274138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5664.274138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.274138][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.274138][   T10]      netlink_unicast+0x449/0x710
[ 5664.274138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.274138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.274138][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.274138][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.274138][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.274138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.274138][   T10] 
[ 5664.276416][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5664.276416][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5664.276416][   T10]      ipv6_find_idev+0x102/0x170
[ 5664.276416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5664.276416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.276416][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.276416][   T10]      netlink_unicast+0x449/0x710
[ 5664.276416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.276416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.276416][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.276416][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.276416][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.276416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.276416][   T10] 
[ 5664.278228][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5664.278228][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5664.278228][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5664.278228][   T10]      ipv6_find_idev+0x102/0x170
[ 5664.278228][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5664.278228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5664.278228][   T10]      netlink_rcv_skb+0x130/0x360
[ 5664.278228][   T10]      netlink_unicast+0x449/0x710
[ 5664.278228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5664.278228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5664.278228][   T10]      ___sys_sendmsg+0xee/0x170
[ 5664.278228][   T10]      __sys_sendmsg+0xcd/0x170
[ 5664.278228][   T10]      do_syscall_64+0xc6/0x1e0
[ 5664.278228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5664.278228][   T10] 
[ 5674.520640][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5674.521118][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.521118][   T10]      dst_init+0x84/0x4a0
[ 5674.521118][   T10]      dst_alloc+0x97/0x150
[ 5674.521118][   T10]      ip6_dst_alloc+0x23/0x90
[ 5674.521118][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5674.521118][   T10]      ip6_pol_route+0x56f/0x840
[ 5674.521118][   T10]      fib6_rule_lookup+0x456/0x630
[ 5674.521118][   T10]      ip6_route_input+0x59c/0xa50
[ 5674.521118][   T10]      ipv6_rcv+0x397/0x810
[ 5674.521118][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5674.521118][   T10]      process_backlog+0x101/0x620
[ 5674.521118][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5674.521118][   T10]      net_rx_action+0x495/0xbe0
[ 5674.521118][   T10]      __do_softirq+0x1b5/0x7f6
[ 5674.521118][   T10] 
[ 5674.522799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.522799][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5674.522799][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5674.522799][   T10]      fib6_nh_init+0xa22/0x1580
[ 5674.522799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.522799][   T10]      ip6_route_add+0x1c/0x140
[ 5674.522799][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5674.522799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.522799][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.522799][   T10]      netlink_unicast+0x449/0x710
[ 5674.522799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.522799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.522799][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.522799][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.522799][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.522799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.522799][   T10] 
[ 5674.524719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.524719][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.524719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.524719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.524719][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5674.524719][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5674.524719][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5674.524719][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5674.524719][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5674.524719][   T10]      addrconf_dad_begin+0x310/0x670
[ 5674.524719][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5674.524719][   T10]      process_one_work+0x84d/0x18a0
[ 5674.524719][   T10]      worker_thread+0x587/0xd30
[ 5674.524719][   T10]      kthread+0x28a/0x350
[ 5674.524719][   T10]      ret_from_fork+0x31/0x70
[ 5674.524719][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5674.524719][   T10] 
[ 5674.526765][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.526765][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.526765][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.526765][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.526765][   T10]      ip6_route_add+0x1c/0x140
[ 5674.526765][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5674.526765][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5674.526765][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.526765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.526765][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.526765][   T10]      netlink_unicast+0x449/0x710
[ 5674.526765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.526765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.526765][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.526765][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.526765][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.526765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.526765][   T10] 
[ 5674.528799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.528799][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.528799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.528799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.528799][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5674.528799][   T10]      ipv6_add_addr+0x411/0x2000
[ 5674.528799][   T10]      inet6_addr_add+0x30e/0xa40
[ 5674.528799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.528799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.528799][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.528799][   T10]      netlink_unicast+0x449/0x710
[ 5674.528799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.528799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.528799][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.528799][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.528799][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.528799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.528799][   T10] 
[ 5674.530842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.530842][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.530842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.530842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.530842][   T10]      ip6_route_add+0x1c/0x140
[ 5674.530842][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5674.530842][   T10]      addrconf_add_dev+0xe2/0x170
[ 5674.530842][   T10]      inet6_addr_add+0x12f/0xa40
[ 5674.530842][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.530842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.530842][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.530842][   T10]      netlink_unicast+0x449/0x710
[ 5674.530842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.530842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.530842][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.530842][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.530842][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.530842][   T10] 
[ 5674.532825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.532825][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5674.532825][   T10]      ipv6_find_idev+0x102/0x170
[ 5674.532825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5674.532825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.532825][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.532825][   T10]      netlink_unicast+0x449/0x710
[ 5674.532825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.532825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.532825][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.532825][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.532825][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.532825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.532825][   T10] 
[ 5674.534379][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5674.534379][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5674.534379][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5674.534379][   T10]      ipv6_find_idev+0x102/0x170
[ 5674.534379][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5674.534379][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.534379][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.534379][   T10]      netlink_unicast+0x449/0x710
[ 5674.534379][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.534379][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.534379][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.534379][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.534379][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.534379][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.534379][   T10] 
[ 5674.536109][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5674.536365][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.536365][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5674.536365][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5674.536365][   T10]      fib6_nh_init+0xa22/0x1580
[ 5674.536365][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.536365][   T10]      ip6_route_add+0x1c/0x140
[ 5674.536365][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5674.536365][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.536365][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.536365][   T10]      netlink_unicast+0x449/0x710
[ 5674.536365][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.536365][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.536365][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.536365][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.536365][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.536365][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.536365][   T10] 
[ 5674.538274][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.538274][   T10]      dst_init+0x84/0x4a0
[ 5674.538274][   T10]      dst_alloc+0x97/0x150
[ 5674.538274][   T10]      ip6_dst_alloc+0x23/0x90
[ 5674.538274][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5674.538274][   T10]      ip6_pol_route+0x56f/0x840
[ 5674.538274][   T10]      fib6_rule_lookup+0x456/0x630
[ 5674.538274][   T10]      ip6_route_input+0x59c/0xa50
[ 5674.538274][   T10]      ipv6_rcv+0x397/0x810
[ 5674.538274][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5674.538274][   T10]      process_backlog+0x101/0x620
[ 5674.538274][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5674.538274][   T10]      net_rx_action+0x495/0xbe0
[ 5674.538274][   T10]      __do_softirq+0x1b5/0x7f6
[ 5674.538274][   T10] 
[ 5674.539943][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.539943][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.539943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.539943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.539943][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5674.539943][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5674.539943][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5674.539943][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5674.539943][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5674.539943][   T10]      addrconf_dad_begin+0x310/0x670
[ 5674.539943][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5674.539943][   T10]      process_one_work+0x84d/0x18a0
[ 5674.539943][   T10]      worker_thread+0x587/0xd30
[ 5674.539943][   T10]      kthread+0x28a/0x350
[ 5674.539943][   T10]      ret_from_fork+0x31/0x70
[ 5674.539943][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5674.539943][   T10] 
[ 5674.541868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.541868][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.541868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.541868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.541868][   T10]      ip6_route_add+0x1c/0x140
[ 5674.541868][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5674.541868][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5674.541868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.541868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.541868][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.541868][   T10]      netlink_unicast+0x449/0x710
[ 5674.541868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.541868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.541868][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.541868][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.541868][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.541868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.541868][   T10] 
[ 5674.543917][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.543917][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.543917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.543917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.543917][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5674.543917][   T10]      ipv6_add_addr+0x411/0x2000
[ 5674.543917][   T10]      inet6_addr_add+0x30e/0xa40
[ 5674.543917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.543917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.543917][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.543917][   T10]      netlink_unicast+0x449/0x710
[ 5674.543917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.543917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.543917][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.543917][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.543917][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.543917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.543917][   T10] 
[ 5674.545949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.545949][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.545949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.545949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.545949][   T10]      ip6_route_add+0x1c/0x140
[ 5674.545949][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5674.545949][   T10]      addrconf_add_dev+0xe2/0x170
[ 5674.545949][   T10]      inet6_addr_add+0x12f/0xa40
[ 5674.545949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.545949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.545949][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.545949][   T10]      netlink_unicast+0x449/0x710
[ 5674.545949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.545949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.545949][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.545949][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.545949][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.545949][   T10] 
[ 5674.548125][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.548125][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5674.548125][   T10]      ipv6_find_idev+0x102/0x170
[ 5674.548125][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5674.548125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.548125][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.548125][   T10]      netlink_unicast+0x449/0x710
[ 5674.548125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.548125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.548125][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.548125][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.548125][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.548125][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.548125][   T10] 
[ 5674.549876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5674.549876][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5674.549876][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5674.549876][   T10]      ipv6_find_idev+0x102/0x170
[ 5674.549876][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5674.549876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.549876][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.549876][   T10]      netlink_unicast+0x449/0x710
[ 5674.549876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.549876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.549876][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.549876][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.549876][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.549876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.549876][   T10] 
[ 5674.551843][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5674.552087][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5674.552087][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.552087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.552087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.552087][   T10]      ip6_route_add+0x1c/0x140
[ 5674.552087][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5674.552087][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5674.552087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.552087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.552087][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.552087][   T10]      netlink_unicast+0x449/0x710
[ 5674.552087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.552087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.552087][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.552087][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.552087][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.552087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.552087][   T10] 
[ 5674.554359][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5674.554359][   T10]      netdev_get_by_index+0x5e/0x80
[ 5674.554359][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5674.554359][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5674.554359][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5674.554359][   T10]      ipv6_add_addr+0x411/0x2000
[ 5674.554359][   T10]      inet6_addr_add+0x30e/0xa40
[ 5674.554359][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5674.554359][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.554359][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.554359][   T10]      netlink_unicast+0x449/0x710
[ 5674.554359][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.554359][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.554359][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.554359][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.554359][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.554359][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.554359][   T10] 
[ 5674.557148][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5674.557148][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5674.557148][   T10]      ipv6_find_idev+0x102/0x170
[ 5674.557148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5674.557148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.557148][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.557148][   T10]      netlink_unicast+0x449/0x710
[ 5674.557148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.557148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.557148][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.557148][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.557148][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.557148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.557148][   T10] 
[ 5674.558885][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5674.558885][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5674.558885][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5674.558885][   T10]      ipv6_find_idev+0x102/0x170
[ 5674.558885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5674.558885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5674.558885][   T10]      netlink_rcv_skb+0x130/0x360
[ 5674.558885][   T10]      netlink_unicast+0x449/0x710
[ 5674.558885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5674.558885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5674.558885][   T10]      ___sys_sendmsg+0xee/0x170
[ 5674.558885][   T10]      __sys_sendmsg+0xcd/0x170
[ 5674.558885][   T10]      do_syscall_64+0xc6/0x1e0
[ 5674.558885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5674.558885][   T10] 
[ 5684.632667][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5684.633112][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.633112][   T10]      dst_init+0x84/0x4a0
[ 5684.633112][   T10]      dst_alloc+0x97/0x150
[ 5684.633112][   T10]      ip6_dst_alloc+0x23/0x90
[ 5684.633112][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5684.633112][   T10]      ip6_pol_route+0x56f/0x840
[ 5684.633112][   T10]      fib6_rule_lookup+0x456/0x630
[ 5684.633112][   T10]      ip6_route_input+0x59c/0xa50
[ 5684.633112][   T10]      ipv6_rcv+0x397/0x810
[ 5684.633112][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5684.633112][   T10]      process_backlog+0x101/0x620
[ 5684.633112][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5684.633112][   T10]      net_rx_action+0x495/0xbe0
[ 5684.633112][   T10]      __do_softirq+0x1b5/0x7f6
[ 5684.633112][   T10] 
[ 5684.634783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.634783][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5684.634783][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5684.634783][   T10]      fib6_nh_init+0xa22/0x1580
[ 5684.634783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.634783][   T10]      ip6_route_add+0x1c/0x140
[ 5684.634783][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5684.634783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.634783][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.634783][   T10]      netlink_unicast+0x449/0x710
[ 5684.634783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.634783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.634783][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.634783][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.634783][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.634783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.634783][   T10] 
[ 5684.636682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.636682][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.636682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.636682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.636682][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5684.636682][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5684.636682][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5684.636682][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5684.636682][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5684.636682][   T10]      addrconf_dad_begin+0x310/0x670
[ 5684.636682][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5684.636682][   T10]      process_one_work+0x84d/0x18a0
[ 5684.636682][   T10]      worker_thread+0x587/0xd30
[ 5684.636682][   T10]      kthread+0x28a/0x350
[ 5684.636682][   T10]      ret_from_fork+0x31/0x70
[ 5684.636682][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5684.636682][   T10] 
[ 5684.638591][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.638591][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.638591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.638591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.638591][   T10]      ip6_route_add+0x1c/0x140
[ 5684.638591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5684.638591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5684.638591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.638591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.638591][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.638591][   T10]      netlink_unicast+0x449/0x710
[ 5684.638591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.638591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.638591][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.638591][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.638591][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.638591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.638591][   T10] 
[ 5684.640598][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.640598][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.640598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.640598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.640598][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5684.640598][   T10]      ipv6_add_addr+0x411/0x2000
[ 5684.640598][   T10]      inet6_addr_add+0x30e/0xa40
[ 5684.640598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.640598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.640598][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.640598][   T10]      netlink_unicast+0x449/0x710
[ 5684.640598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.640598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.640598][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.640598][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.640598][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.640598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.640598][   T10] 
[ 5684.642621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.642621][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.642621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.642621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.642621][   T10]      ip6_route_add+0x1c/0x140
[ 5684.642621][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5684.642621][   T10]      addrconf_add_dev+0xe2/0x170
[ 5684.642621][   T10]      inet6_addr_add+0x12f/0xa40
[ 5684.642621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.642621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.642621][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.642621][   T10]      netlink_unicast+0x449/0x710
[ 5684.642621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.642621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.642621][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.642621][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.642621][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.642621][   T10] 
[ 5684.644585][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.644585][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5684.644585][   T10]      ipv6_find_idev+0x102/0x170
[ 5684.644585][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5684.644585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.644585][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.644585][   T10]      netlink_unicast+0x449/0x710
[ 5684.644585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.644585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.644585][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.644585][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.644585][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.644585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.644585][   T10] 
[ 5684.646123][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5684.646123][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5684.646123][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5684.646123][   T10]      ipv6_find_idev+0x102/0x170
[ 5684.646123][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5684.646123][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.646123][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.646123][   T10]      netlink_unicast+0x449/0x710
[ 5684.646123][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.646123][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.646123][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.646123][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.646123][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.646123][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.646123][   T10] 
[ 5684.647911][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5684.648149][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.648149][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5684.648149][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5684.648149][   T10]      fib6_nh_init+0xa22/0x1580
[ 5684.648149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.648149][   T10]      ip6_route_add+0x1c/0x140
[ 5684.648149][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5684.648149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.648149][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.648149][   T10]      netlink_unicast+0x449/0x710
[ 5684.648149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.648149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.648149][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.648149][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.648149][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.648149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.648149][   T10] 
[ 5684.650036][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.650036][   T10]      dst_init+0x84/0x4a0
[ 5684.650036][   T10]      dst_alloc+0x97/0x150
[ 5684.650036][   T10]      ip6_dst_alloc+0x23/0x90
[ 5684.650036][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5684.650036][   T10]      ip6_pol_route+0x56f/0x840
[ 5684.650036][   T10]      fib6_rule_lookup+0x456/0x630
[ 5684.650036][   T10]      ip6_route_input+0x59c/0xa50
[ 5684.650036][   T10]      ipv6_rcv+0x397/0x810
[ 5684.650036][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5684.650036][   T10]      process_backlog+0x101/0x620
[ 5684.650036][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5684.650036][   T10]      net_rx_action+0x495/0xbe0
[ 5684.650036][   T10]      __do_softirq+0x1b5/0x7f6
[ 5684.650036][   T10] 
[ 5684.651666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.651666][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.651666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.651666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.651666][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5684.651666][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5684.651666][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5684.651666][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5684.651666][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5684.651666][   T10]      addrconf_dad_begin+0x310/0x670
[ 5684.651666][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5684.651666][   T10]      process_one_work+0x84d/0x18a0
[ 5684.651666][   T10]      worker_thread+0x587/0xd30
[ 5684.651666][   T10]      kthread+0x28a/0x350
[ 5684.651666][   T10]      ret_from_fork+0x31/0x70
[ 5684.651666][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5684.651666][   T10] 
[ 5684.653570][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.653570][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.653570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.653570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.653570][   T10]      ip6_route_add+0x1c/0x140
[ 5684.653570][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5684.653570][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5684.653570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.653570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.653570][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.653570][   T10]      netlink_unicast+0x449/0x710
[ 5684.653570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.653570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.653570][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.653570][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.653570][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.653570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.653570][   T10] 
[ 5684.655578][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.655578][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.655578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.655578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.655578][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5684.655578][   T10]      ipv6_add_addr+0x411/0x2000
[ 5684.655578][   T10]      inet6_addr_add+0x30e/0xa40
[ 5684.655578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.655578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.655578][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.655578][   T10]      netlink_unicast+0x449/0x710
[ 5684.655578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.655578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.655578][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.655578][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.655578][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.655578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.655578][   T10] 
[ 5684.657581][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.657581][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.657581][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.657581][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.657581][   T10]      ip6_route_add+0x1c/0x140
[ 5684.657581][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5684.657581][   T10]      addrconf_add_dev+0xe2/0x170
[ 5684.657581][   T10]      inet6_addr_add+0x12f/0xa40
[ 5684.657581][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.657581][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.657581][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.657581][   T10]      netlink_unicast+0x449/0x710
[ 5684.657581][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.657581][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.657581][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.657581][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.657581][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.657581][   T10] 
[ 5684.659678][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.659678][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5684.659678][   T10]      ipv6_find_idev+0x102/0x170
[ 5684.659678][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5684.659678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.659678][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.659678][   T10]      netlink_unicast+0x449/0x710
[ 5684.659678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.659678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.659678][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.659678][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.659678][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.659678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.659678][   T10] 
[ 5684.661339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5684.661339][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5684.661339][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5684.661339][   T10]      ipv6_find_idev+0x102/0x170
[ 5684.661339][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5684.661339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.661339][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.661339][   T10]      netlink_unicast+0x449/0x710
[ 5684.661339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.661339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.661339][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.661339][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.661339][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.661339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.661339][   T10] 
[ 5684.663082][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5684.663387][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5684.663387][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.663387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.663387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.663387][   T10]      ip6_route_add+0x1c/0x140
[ 5684.663387][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5684.663387][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5684.663387][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.663387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.663387][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.663387][   T10]      netlink_unicast+0x449/0x710
[ 5684.663387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.663387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.663387][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.663387][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.663387][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.663387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.663387][   T10] 
[ 5684.665441][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5684.665441][   T10]      netdev_get_by_index+0x5e/0x80
[ 5684.665441][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5684.665441][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5684.665441][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5684.665441][   T10]      ipv6_add_addr+0x411/0x2000
[ 5684.665441][   T10]      inet6_addr_add+0x30e/0xa40
[ 5684.665441][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5684.665441][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.665441][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.665441][   T10]      netlink_unicast+0x449/0x710
[ 5684.665441][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.665441][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.665441][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.665441][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.665441][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.665441][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.665441][   T10] 
[ 5684.667572][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5684.667572][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5684.667572][   T10]      ipv6_find_idev+0x102/0x170
[ 5684.667572][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5684.667572][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.667572][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.667572][   T10]      netlink_unicast+0x449/0x710
[ 5684.667572][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.667572][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.667572][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.667572][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.667572][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.667572][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.667572][   T10] 
[ 5684.669240][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5684.669240][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5684.669240][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5684.669240][   T10]      ipv6_find_idev+0x102/0x170
[ 5684.669240][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5684.669240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5684.669240][   T10]      netlink_rcv_skb+0x130/0x360
[ 5684.669240][   T10]      netlink_unicast+0x449/0x710
[ 5684.669240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5684.669240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5684.669240][   T10]      ___sys_sendmsg+0xee/0x170
[ 5684.669240][   T10]      __sys_sendmsg+0xcd/0x170
[ 5684.669240][   T10]      do_syscall_64+0xc6/0x1e0
[ 5684.669240][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5684.669240][   T10] 
[ 5694.920706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5694.921169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.921169][   T10]      dst_init+0x84/0x4a0
[ 5694.921169][   T10]      dst_alloc+0x97/0x150
[ 5694.921169][   T10]      ip6_dst_alloc+0x23/0x90
[ 5694.921169][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5694.921169][   T10]      ip6_pol_route+0x56f/0x840
[ 5694.921169][   T10]      fib6_rule_lookup+0x456/0x630
[ 5694.921169][   T10]      ip6_route_input+0x59c/0xa50
[ 5694.921169][   T10]      ipv6_rcv+0x397/0x810
[ 5694.921169][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5694.921169][   T10]      process_backlog+0x101/0x620
[ 5694.921169][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5694.921169][   T10]      net_rx_action+0x495/0xbe0
[ 5694.921169][   T10]      __do_softirq+0x1b5/0x7f6
[ 5694.921169][   T10] 
[ 5694.922888][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.922888][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5694.922888][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5694.922888][   T10]      fib6_nh_init+0xa22/0x1580
[ 5694.922888][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.922888][   T10]      ip6_route_add+0x1c/0x140
[ 5694.922888][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5694.922888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.922888][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.922888][   T10]      netlink_unicast+0x449/0x710
[ 5694.922888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.922888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.922888][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.922888][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.922888][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.922888][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.922888][   T10] 
[ 5694.924787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.924787][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.924787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.924787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.924787][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5694.924787][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5694.924787][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5694.924787][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5694.924787][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5694.924787][   T10]      addrconf_dad_begin+0x310/0x670
[ 5694.924787][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5694.924787][   T10]      process_one_work+0x84d/0x18a0
[ 5694.924787][   T10]      worker_thread+0x587/0xd30
[ 5694.924787][   T10]      kthread+0x28a/0x350
[ 5694.924787][   T10]      ret_from_fork+0x31/0x70
[ 5694.924787][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5694.924787][   T10] 
[ 5694.926728][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.926728][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.926728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.926728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.926728][   T10]      ip6_route_add+0x1c/0x140
[ 5694.926728][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5694.926728][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5694.926728][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.926728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.926728][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.926728][   T10]      netlink_unicast+0x449/0x710
[ 5694.926728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.926728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.926728][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.926728][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.926728][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.926728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.926728][   T10] 
[ 5694.928760][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.928760][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.928760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.928760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.928760][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5694.928760][   T10]      ipv6_add_addr+0x411/0x2000
[ 5694.928760][   T10]      inet6_addr_add+0x30e/0xa40
[ 5694.928760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.928760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.928760][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.928760][   T10]      netlink_unicast+0x449/0x710
[ 5694.928760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.928760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.928760][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.928760][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.928760][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.928760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.928760][   T10] 
[ 5694.930790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.930790][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.930790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.930790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.930790][   T10]      ip6_route_add+0x1c/0x140
[ 5694.930790][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5694.930790][   T10]      addrconf_add_dev+0xe2/0x170
[ 5694.930790][   T10]      inet6_addr_add+0x12f/0xa40
[ 5694.930790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.930790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.930790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.930790][   T10]      netlink_unicast+0x449/0x710
[ 5694.930790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.930790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.930790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.930790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.930790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.930790][   T10] 
[ 5694.932773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.932773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5694.932773][   T10]      ipv6_find_idev+0x102/0x170
[ 5694.932773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5694.932773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.932773][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.932773][   T10]      netlink_unicast+0x449/0x710
[ 5694.932773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.932773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.932773][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.932773][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.932773][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.932773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.932773][   T10] 
[ 5694.934330][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5694.934330][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5694.934330][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5694.934330][   T10]      ipv6_find_idev+0x102/0x170
[ 5694.934330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5694.934330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.934330][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.934330][   T10]      netlink_unicast+0x449/0x710
[ 5694.934330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.934330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.934330][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.934330][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.934330][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.934330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.934330][   T10] 
[ 5694.936075][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5694.936322][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.936322][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5694.936322][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5694.936322][   T10]      fib6_nh_init+0xa22/0x1580
[ 5694.936322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.936322][   T10]      ip6_route_add+0x1c/0x140
[ 5694.936322][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5694.936322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.936322][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.936322][   T10]      netlink_unicast+0x449/0x710
[ 5694.936322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.936322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.936322][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.936322][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.936322][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.936322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.936322][   T10] 
[ 5694.938227][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.938227][   T10]      dst_init+0x84/0x4a0
[ 5694.938227][   T10]      dst_alloc+0x97/0x150
[ 5694.938227][   T10]      ip6_dst_alloc+0x23/0x90
[ 5694.938227][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5694.938227][   T10]      ip6_pol_route+0x56f/0x840
[ 5694.938227][   T10]      fib6_rule_lookup+0x456/0x630
[ 5694.938227][   T10]      ip6_route_input+0x59c/0xa50
[ 5694.938227][   T10]      ipv6_rcv+0x397/0x810
[ 5694.938227][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5694.938227][   T10]      process_backlog+0x101/0x620
[ 5694.938227][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5694.938227][   T10]      net_rx_action+0x495/0xbe0
[ 5694.938227][   T10]      __do_softirq+0x1b5/0x7f6
[ 5694.938227][   T10] 
[ 5694.939907][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.939907][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.939907][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.939907][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.939907][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5694.939907][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5694.939907][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5694.939907][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5694.939907][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5694.939907][   T10]      addrconf_dad_begin+0x310/0x670
[ 5694.939907][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5694.939907][   T10]      process_one_work+0x84d/0x18a0
[ 5694.939907][   T10]      worker_thread+0x587/0xd30
[ 5694.939907][   T10]      kthread+0x28a/0x350
[ 5694.939907][   T10]      ret_from_fork+0x31/0x70
[ 5694.939907][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5694.939907][   T10] 
[ 5694.941839][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.941839][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.941839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.941839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.941839][   T10]      ip6_route_add+0x1c/0x140
[ 5694.941839][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5694.941839][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5694.941839][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.941839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.941839][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.941839][   T10]      netlink_unicast+0x449/0x710
[ 5694.941839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.941839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.941839][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.941839][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.941839][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.941839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.941839][   T10] 
[ 5694.943869][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.943869][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.943869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.943869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.943869][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5694.943869][   T10]      ipv6_add_addr+0x411/0x2000
[ 5694.943869][   T10]      inet6_addr_add+0x30e/0xa40
[ 5694.943869][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.943869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.943869][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.943869][   T10]      netlink_unicast+0x449/0x710
[ 5694.943869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.943869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.943869][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.943869][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.943869][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.943869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.943869][   T10] 
[ 5694.945898][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.945898][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.945898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.945898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.945898][   T10]      ip6_route_add+0x1c/0x140
[ 5694.945898][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5694.945898][   T10]      addrconf_add_dev+0xe2/0x170
[ 5694.945898][   T10]      inet6_addr_add+0x12f/0xa40
[ 5694.945898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.945898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.945898][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.945898][   T10]      netlink_unicast+0x449/0x710
[ 5694.945898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.945898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.945898][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.945898][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.945898][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.945898][   T10] 
[ 5694.948068][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.948068][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5694.948068][   T10]      ipv6_find_idev+0x102/0x170
[ 5694.948068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5694.948068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.948068][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.948068][   T10]      netlink_unicast+0x449/0x710
[ 5694.948068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.948068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.948068][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.948068][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.948068][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.948068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.948068][   T10] 
[ 5694.949810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5694.949810][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5694.949810][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5694.949810][   T10]      ipv6_find_idev+0x102/0x170
[ 5694.949810][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5694.949810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.949810][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.949810][   T10]      netlink_unicast+0x449/0x710
[ 5694.949810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.949810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.949810][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.949810][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.949810][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.949810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.949810][   T10] 
[ 5694.951764][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5694.952008][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5694.952008][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.952008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.952008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.952008][   T10]      ip6_route_add+0x1c/0x140
[ 5694.952008][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5694.952008][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5694.952008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.952008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.952008][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.952008][   T10]      netlink_unicast+0x449/0x710
[ 5694.952008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.952008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.952008][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.952008][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.952008][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.952008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.952008][   T10] 
[ 5694.954269][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5694.954269][   T10]      netdev_get_by_index+0x5e/0x80
[ 5694.954269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5694.954269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5694.954269][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5694.954269][   T10]      ipv6_add_addr+0x411/0x2000
[ 5694.954269][   T10]      inet6_addr_add+0x30e/0xa40
[ 5694.954269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5694.954269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.954269][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.954269][   T10]      netlink_unicast+0x449/0x710
[ 5694.954269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.954269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.954269][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.954269][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.954269][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.954269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.954269][   T10] 
[ 5694.956524][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5694.956524][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5694.956524][   T10]      ipv6_find_idev+0x102/0x170
[ 5694.956524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5694.956524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.956524][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.956524][   T10]      netlink_unicast+0x449/0x710
[ 5694.956524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.956524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.956524][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.956524][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.956524][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.956524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.956524][   T10] 
[ 5694.958255][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5694.958255][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5694.958255][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5694.958255][   T10]      ipv6_find_idev+0x102/0x170
[ 5694.958255][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5694.958255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5694.958255][   T10]      netlink_rcv_skb+0x130/0x360
[ 5694.958255][   T10]      netlink_unicast+0x449/0x710
[ 5694.958255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5694.958255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5694.958255][   T10]      ___sys_sendmsg+0xee/0x170
[ 5694.958255][   T10]      __sys_sendmsg+0xcd/0x170
[ 5694.958255][   T10]      do_syscall_64+0xc6/0x1e0
[ 5694.958255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5694.958255][   T10] 
[ 5705.208770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5705.209289][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.209289][   T10]      dst_init+0x84/0x4a0
[ 5705.209289][   T10]      dst_alloc+0x97/0x150
[ 5705.209289][   T10]      ip6_dst_alloc+0x23/0x90
[ 5705.209289][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5705.209289][   T10]      ip6_pol_route+0x56f/0x840
[ 5705.209289][   T10]      fib6_rule_lookup+0x456/0x630
[ 5705.209289][   T10]      ip6_route_input+0x59c/0xa50
[ 5705.209289][   T10]      ipv6_rcv+0x397/0x810
[ 5705.209289][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5705.209289][   T10]      process_backlog+0x101/0x620
[ 5705.209289][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5705.209289][   T10]      net_rx_action+0x495/0xbe0
[ 5705.209289][   T10]      __do_softirq+0x1b5/0x7f6
[ 5705.209289][   T10] 
[ 5705.211011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.211011][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5705.211011][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5705.211011][   T10]      fib6_nh_init+0xa22/0x1580
[ 5705.211011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.211011][   T10]      ip6_route_add+0x1c/0x140
[ 5705.211011][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5705.211011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.211011][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.211011][   T10]      netlink_unicast+0x449/0x710
[ 5705.211011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.211011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.211011][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.211011][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.211011][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.211011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.211011][   T10] 
[ 5705.212929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.212929][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.212929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.212929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.212929][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5705.212929][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5705.212929][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5705.212929][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5705.212929][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5705.212929][   T10]      addrconf_dad_begin+0x310/0x670
[ 5705.212929][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5705.212929][   T10]      process_one_work+0x84d/0x18a0
[ 5705.212929][   T10]      worker_thread+0x587/0xd30
[ 5705.212929][   T10]      kthread+0x28a/0x350
[ 5705.212929][   T10]      ret_from_fork+0x31/0x70
[ 5705.212929][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5705.212929][   T10] 
[ 5705.214834][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.214834][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.214834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.214834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.214834][   T10]      ip6_route_add+0x1c/0x140
[ 5705.214834][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5705.214834][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5705.214834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.214834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.214834][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.214834][   T10]      netlink_unicast+0x449/0x710
[ 5705.214834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.214834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.214834][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.214834][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.214834][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.214834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.214834][   T10] 
[ 5705.216862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.216862][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.216862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.216862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.216862][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5705.216862][   T10]      ipv6_add_addr+0x411/0x2000
[ 5705.216862][   T10]      inet6_addr_add+0x30e/0xa40
[ 5705.216862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.216862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.216862][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.216862][   T10]      netlink_unicast+0x449/0x710
[ 5705.216862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.216862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.216862][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.216862][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.216862][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.216862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.216862][   T10] 
[ 5705.218856][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.218856][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.218856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.218856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.218856][   T10]      ip6_route_add+0x1c/0x140
[ 5705.218856][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5705.218856][   T10]      addrconf_add_dev+0xe2/0x170
[ 5705.218856][   T10]      inet6_addr_add+0x12f/0xa40
[ 5705.218856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.218856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.218856][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.218856][   T10]      netlink_unicast+0x449/0x710
[ 5705.218856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.218856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.218856][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.218856][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.218856][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.218856][   T10] 
[ 5705.220876][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.220876][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5705.220876][   T10]      ipv6_find_idev+0x102/0x170
[ 5705.220876][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5705.220876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.220876][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.220876][   T10]      netlink_unicast+0x449/0x710
[ 5705.220876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.220876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.220876][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.220876][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.220876][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.220876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.220876][   T10] 
[ 5705.222431][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5705.222431][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5705.222431][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5705.222431][   T10]      ipv6_find_idev+0x102/0x170
[ 5705.222431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5705.222431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.222431][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.222431][   T10]      netlink_unicast+0x449/0x710
[ 5705.222431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.222431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.222431][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.222431][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.222431][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.222431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.222431][   T10] 
[ 5705.224168][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5705.224416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.224416][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5705.224416][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5705.224416][   T10]      fib6_nh_init+0xa22/0x1580
[ 5705.224416][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.224416][   T10]      ip6_route_add+0x1c/0x140
[ 5705.224416][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5705.224416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.224416][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.224416][   T10]      netlink_unicast+0x449/0x710
[ 5705.224416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.224416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.224416][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.224416][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.224416][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.224416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.224416][   T10] 
[ 5705.226317][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.226317][   T10]      dst_init+0x84/0x4a0
[ 5705.226317][   T10]      dst_alloc+0x97/0x150
[ 5705.226317][   T10]      ip6_dst_alloc+0x23/0x90
[ 5705.226317][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5705.226317][   T10]      ip6_pol_route+0x56f/0x840
[ 5705.226317][   T10]      fib6_rule_lookup+0x456/0x630
[ 5705.226317][   T10]      ip6_route_input+0x59c/0xa50
[ 5705.226317][   T10]      ipv6_rcv+0x397/0x810
[ 5705.226317][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5705.226317][   T10]      process_backlog+0x101/0x620
[ 5705.226317][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5705.226317][   T10]      net_rx_action+0x495/0xbe0
[ 5705.226317][   T10]      __do_softirq+0x1b5/0x7f6
[ 5705.226317][   T10] 
[ 5705.227962][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.227962][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.227962][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.227962][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.227962][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5705.227962][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5705.227962][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5705.227962][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5705.227962][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5705.227962][   T10]      addrconf_dad_begin+0x310/0x670
[ 5705.227962][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5705.227962][   T10]      process_one_work+0x84d/0x18a0
[ 5705.227962][   T10]      worker_thread+0x587/0xd30
[ 5705.227962][   T10]      kthread+0x28a/0x350
[ 5705.227962][   T10]      ret_from_fork+0x31/0x70
[ 5705.227962][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5705.227962][   T10] 
[ 5705.229908][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.229908][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.229908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.229908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.229908][   T10]      ip6_route_add+0x1c/0x140
[ 5705.229908][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5705.229908][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5705.229908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.229908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.229908][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.229908][   T10]      netlink_unicast+0x449/0x710
[ 5705.229908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.229908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.229908][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.229908][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.229908][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.229908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.229908][   T10] 
[ 5705.231922][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.231922][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.231922][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.231922][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.231922][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5705.231922][   T10]      ipv6_add_addr+0x411/0x2000
[ 5705.231922][   T10]      inet6_addr_add+0x30e/0xa40
[ 5705.231922][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.231922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.231922][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.231922][   T10]      netlink_unicast+0x449/0x710
[ 5705.231922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.231922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.231922][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.231922][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.231922][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.231922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.231922][   T10] 
[ 5705.233956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.233956][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.233956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.233956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.233956][   T10]      ip6_route_add+0x1c/0x140
[ 5705.233956][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5705.233956][   T10]      addrconf_add_dev+0xe2/0x170
[ 5705.233956][   T10]      inet6_addr_add+0x12f/0xa40
[ 5705.233956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.233956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.233956][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.233956][   T10]      netlink_unicast+0x449/0x710
[ 5705.233956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.233956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.233956][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.233956][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.233956][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.233956][   T10] 
[ 5705.236236][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.236236][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5705.236236][   T10]      ipv6_find_idev+0x102/0x170
[ 5705.236236][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5705.236236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.236236][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.236236][   T10]      netlink_unicast+0x449/0x710
[ 5705.236236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.236236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.236236][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.236236][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.236236][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.236236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.236236][   T10] 
[ 5705.238038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5705.238038][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5705.238038][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5705.238038][   T10]      ipv6_find_idev+0x102/0x170
[ 5705.238038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5705.238038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.238038][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.238038][   T10]      netlink_unicast+0x449/0x710
[ 5705.238038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.238038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.238038][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.238038][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.238038][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.238038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.238038][   T10] 
[ 5705.239943][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5705.240194][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5705.240194][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.240194][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.240194][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.240194][   T10]      ip6_route_add+0x1c/0x140
[ 5705.240194][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5705.240194][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5705.240194][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.240194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.240194][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.240194][   T10]      netlink_unicast+0x449/0x710
[ 5705.240194][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.240194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.240194][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.240194][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.240194][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.240194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.240194][   T10] 
[ 5705.242461][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5705.242461][   T10]      netdev_get_by_index+0x5e/0x80
[ 5705.242461][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5705.242461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5705.242461][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5705.242461][   T10]      ipv6_add_addr+0x411/0x2000
[ 5705.242461][   T10]      inet6_addr_add+0x30e/0xa40
[ 5705.242461][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5705.242461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.242461][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.242461][   T10]      netlink_unicast+0x449/0x710
[ 5705.242461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.242461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.242461][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.242461][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.242461][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.242461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.242461][   T10] 
[ 5705.244716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5705.244716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5705.244716][   T10]      ipv6_find_idev+0x102/0x170
[ 5705.244716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5705.244716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.244716][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.244716][   T10]      netlink_unicast+0x449/0x710
[ 5705.244716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.244716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.244716][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.244716][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.244716][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.244716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.244716][   T10] 
[ 5705.246520][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5705.246520][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5705.246520][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5705.246520][   T10]      ipv6_find_idev+0x102/0x170
[ 5705.246520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5705.246520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5705.246520][   T10]      netlink_rcv_skb+0x130/0x360
[ 5705.246520][   T10]      netlink_unicast+0x449/0x710
[ 5705.246520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5705.246520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5705.246520][   T10]      ___sys_sendmsg+0xee/0x170
[ 5705.246520][   T10]      __sys_sendmsg+0xcd/0x170
[ 5705.246520][   T10]      do_syscall_64+0xc6/0x1e0
[ 5705.246520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5705.246520][   T10] 
[ 5715.376733][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5715.377224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.377224][   T10]      dst_init+0x84/0x4a0
[ 5715.377224][   T10]      dst_alloc+0x97/0x150
[ 5715.377224][   T10]      ip6_dst_alloc+0x23/0x90
[ 5715.377224][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5715.377224][   T10]      ip6_pol_route+0x56f/0x840
[ 5715.377224][   T10]      fib6_rule_lookup+0x456/0x630
[ 5715.377224][   T10]      ip6_route_input+0x59c/0xa50
[ 5715.377224][   T10]      ipv6_rcv+0x397/0x810
[ 5715.377224][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5715.377224][   T10]      process_backlog+0x101/0x620
[ 5715.377224][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5715.377224][   T10]      net_rx_action+0x495/0xbe0
[ 5715.377224][   T10]      __do_softirq+0x1b5/0x7f6
[ 5715.377224][   T10] 
[ 5715.378911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.378911][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5715.378911][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5715.378911][   T10]      fib6_nh_init+0xa22/0x1580
[ 5715.378911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.378911][   T10]      ip6_route_add+0x1c/0x140
[ 5715.378911][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5715.378911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.378911][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.378911][   T10]      netlink_unicast+0x449/0x710
[ 5715.378911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.378911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.378911][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.378911][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.378911][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.378911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.378911][   T10] 
[ 5715.380843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.380843][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.380843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.380843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.380843][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5715.380843][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5715.380843][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5715.380843][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5715.380843][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5715.380843][   T10]      addrconf_dad_begin+0x310/0x670
[ 5715.380843][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5715.380843][   T10]      process_one_work+0x84d/0x18a0
[ 5715.380843][   T10]      worker_thread+0x587/0xd30
[ 5715.380843][   T10]      kthread+0x28a/0x350
[ 5715.380843][   T10]      ret_from_fork+0x31/0x70
[ 5715.380843][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5715.380843][   T10] 
[ 5715.382777][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.382777][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.382777][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.382777][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.382777][   T10]      ip6_route_add+0x1c/0x140
[ 5715.382777][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5715.382777][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5715.382777][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.382777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.382777][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.382777][   T10]      netlink_unicast+0x449/0x710
[ 5715.382777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.382777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.382777][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.382777][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.382777][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.382777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.382777][   T10] 
[ 5715.384794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.384794][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.384794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.384794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.384794][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5715.384794][   T10]      ipv6_add_addr+0x411/0x2000
[ 5715.384794][   T10]      inet6_addr_add+0x30e/0xa40
[ 5715.384794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.384794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.384794][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.384794][   T10]      netlink_unicast+0x449/0x710
[ 5715.384794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.384794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.384794][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.384794][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.384794][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.384794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.384794][   T10] 
[ 5715.386815][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.386815][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.386815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.386815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.386815][   T10]      ip6_route_add+0x1c/0x140
[ 5715.386815][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5715.386815][   T10]      addrconf_add_dev+0xe2/0x170
[ 5715.386815][   T10]      inet6_addr_add+0x12f/0xa40
[ 5715.386815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.386815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.386815][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.386815][   T10]      netlink_unicast+0x449/0x710
[ 5715.386815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.386815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.386815][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.386815][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.386815][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.386815][   T10] 
[ 5715.388806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.388806][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5715.388806][   T10]      ipv6_find_idev+0x102/0x170
[ 5715.388806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5715.388806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.388806][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.388806][   T10]      netlink_unicast+0x449/0x710
[ 5715.388806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.388806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.388806][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.388806][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.388806][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.388806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.388806][   T10] 
[ 5715.390364][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5715.390364][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5715.390364][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5715.390364][   T10]      ipv6_find_idev+0x102/0x170
[ 5715.390364][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5715.390364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.390364][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.390364][   T10]      netlink_unicast+0x449/0x710
[ 5715.390364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.390364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.390364][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.390364][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.390364][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.390364][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.390364][   T10] 
[ 5715.392091][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5715.392337][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.392337][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5715.392337][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5715.392337][   T10]      fib6_nh_init+0xa22/0x1580
[ 5715.392337][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.392337][   T10]      ip6_route_add+0x1c/0x140
[ 5715.392337][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5715.392337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.392337][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.392337][   T10]      netlink_unicast+0x449/0x710
[ 5715.392337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.392337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.392337][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.392337][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.392337][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.392337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.392337][   T10] 
[ 5715.394229][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.394229][   T10]      dst_init+0x84/0x4a0
[ 5715.394229][   T10]      dst_alloc+0x97/0x150
[ 5715.394229][   T10]      ip6_dst_alloc+0x23/0x90
[ 5715.394229][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5715.394229][   T10]      ip6_pol_route+0x56f/0x840
[ 5715.394229][   T10]      fib6_rule_lookup+0x456/0x630
[ 5715.394229][   T10]      ip6_route_input+0x59c/0xa50
[ 5715.394229][   T10]      ipv6_rcv+0x397/0x810
[ 5715.394229][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5715.394229][   T10]      process_backlog+0x101/0x620
[ 5715.394229][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5715.394229][   T10]      net_rx_action+0x495/0xbe0
[ 5715.394229][   T10]      __do_softirq+0x1b5/0x7f6
[ 5715.394229][   T10] 
[ 5715.395884][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.395884][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.395884][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.395884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.395884][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5715.395884][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5715.395884][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5715.395884][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5715.395884][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5715.395884][   T10]      addrconf_dad_begin+0x310/0x670
[ 5715.395884][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5715.395884][   T10]      process_one_work+0x84d/0x18a0
[ 5715.395884][   T10]      worker_thread+0x587/0xd30
[ 5715.395884][   T10]      kthread+0x28a/0x350
[ 5715.395884][   T10]      ret_from_fork+0x31/0x70
[ 5715.395884][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5715.395884][   T10] 
[ 5715.397810][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.397810][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.397810][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.397810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.397810][   T10]      ip6_route_add+0x1c/0x140
[ 5715.397810][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5715.397810][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5715.397810][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.397810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.397810][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.397810][   T10]      netlink_unicast+0x449/0x710
[ 5715.397810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.397810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.397810][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.397810][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.397810][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.397810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.397810][   T10] 
[ 5715.399835][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.399835][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.399835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.399835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.399835][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5715.399835][   T10]      ipv6_add_addr+0x411/0x2000
[ 5715.399835][   T10]      inet6_addr_add+0x30e/0xa40
[ 5715.399835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.399835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.399835][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.399835][   T10]      netlink_unicast+0x449/0x710
[ 5715.399835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.399835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.399835][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.399835][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.399835][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.399835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.399835][   T10] 
[ 5715.401853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.401853][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.401853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.401853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.401853][   T10]      ip6_route_add+0x1c/0x140
[ 5715.401853][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5715.401853][   T10]      addrconf_add_dev+0xe2/0x170
[ 5715.401853][   T10]      inet6_addr_add+0x12f/0xa40
[ 5715.401853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.401853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.401853][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.401853][   T10]      netlink_unicast+0x449/0x710
[ 5715.401853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.401853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.401853][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.401853][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.401853][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.401853][   T10] 
[ 5715.404026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.404026][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5715.404026][   T10]      ipv6_find_idev+0x102/0x170
[ 5715.404026][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5715.404026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.404026][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.404026][   T10]      netlink_unicast+0x449/0x710
[ 5715.404026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.404026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.404026][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.404026][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.404026][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.404026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.404026][   T10] 
[ 5715.405758][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5715.405758][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5715.405758][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5715.405758][   T10]      ipv6_find_idev+0x102/0x170
[ 5715.405758][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5715.405758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.405758][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.405758][   T10]      netlink_unicast+0x449/0x710
[ 5715.405758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.405758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.405758][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.405758][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.405758][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.405758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.405758][   T10] 
[ 5715.407706][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5715.407949][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5715.407949][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.407949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.407949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.407949][   T10]      ip6_route_add+0x1c/0x140
[ 5715.407949][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5715.407949][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5715.407949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.407949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.407949][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.407949][   T10]      netlink_unicast+0x449/0x710
[ 5715.407949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.407949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.407949][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.407949][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.407949][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.407949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.407949][   T10] 
[ 5715.410217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5715.410217][   T10]      netdev_get_by_index+0x5e/0x80
[ 5715.410217][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5715.410217][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5715.410217][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5715.410217][   T10]      ipv6_add_addr+0x411/0x2000
[ 5715.410217][   T10]      inet6_addr_add+0x30e/0xa40
[ 5715.410217][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5715.410217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.410217][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.410217][   T10]      netlink_unicast+0x449/0x710
[ 5715.410217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.410217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.410217][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.410217][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.410217][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.410217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.410217][   T10] 
[ 5715.412469][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5715.412469][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5715.412469][   T10]      ipv6_find_idev+0x102/0x170
[ 5715.412469][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5715.412469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.412469][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.412469][   T10]      netlink_unicast+0x449/0x710
[ 5715.412469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.412469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.412469][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.412469][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.412469][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.412469][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.412469][   T10] 
[ 5715.414213][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5715.414213][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5715.414213][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5715.414213][   T10]      ipv6_find_idev+0x102/0x170
[ 5715.414213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5715.414213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5715.414213][   T10]      netlink_rcv_skb+0x130/0x360
[ 5715.414213][   T10]      netlink_unicast+0x449/0x710
[ 5715.414213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5715.414213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5715.414213][   T10]      ___sys_sendmsg+0xee/0x170
[ 5715.414213][   T10]      __sys_sendmsg+0xcd/0x170
[ 5715.414213][   T10]      do_syscall_64+0xc6/0x1e0
[ 5715.414213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5715.414213][   T10] 
[ 5725.656779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5725.657359][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.657359][   T10]      dst_init+0x84/0x4a0
[ 5725.657359][   T10]      dst_alloc+0x97/0x150
[ 5725.657359][   T10]      ip6_dst_alloc+0x23/0x90
[ 5725.657359][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5725.657359][   T10]      ip6_pol_route+0x56f/0x840
[ 5725.657359][   T10]      fib6_rule_lookup+0x456/0x630
[ 5725.657359][   T10]      ip6_route_input+0x59c/0xa50
[ 5725.657359][   T10]      ipv6_rcv+0x397/0x810
[ 5725.657359][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5725.657359][   T10]      process_backlog+0x101/0x620
[ 5725.657359][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5725.657359][   T10]      net_rx_action+0x495/0xbe0
[ 5725.657359][   T10]      __do_softirq+0x1b5/0x7f6
[ 5725.657359][   T10] 
[ 5725.659055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.659055][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5725.659055][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5725.659055][   T10]      fib6_nh_init+0xa22/0x1580
[ 5725.659055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.659055][   T10]      ip6_route_add+0x1c/0x140
[ 5725.659055][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5725.659055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.659055][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.659055][   T10]      netlink_unicast+0x449/0x710
[ 5725.659055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.659055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.659055][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.659055][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.659055][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.659055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.659055][   T10] 
[ 5725.660969][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.660969][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.660969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.660969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.660969][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5725.660969][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5725.660969][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5725.660969][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5725.660969][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5725.660969][   T10]      addrconf_dad_begin+0x310/0x670
[ 5725.660969][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5725.660969][   T10]      process_one_work+0x84d/0x18a0
[ 5725.660969][   T10]      worker_thread+0x587/0xd30
[ 5725.660969][   T10]      kthread+0x28a/0x350
[ 5725.660969][   T10]      ret_from_fork+0x31/0x70
[ 5725.660969][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5725.660969][   T10] 
[ 5725.662896][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.662896][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.662896][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.662896][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.662896][   T10]      ip6_route_add+0x1c/0x140
[ 5725.662896][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5725.662896][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5725.662896][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.662896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.662896][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.662896][   T10]      netlink_unicast+0x449/0x710
[ 5725.662896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.662896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.662896][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.662896][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.662896][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.662896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.662896][   T10] 
[ 5725.664908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.664908][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.664908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.664908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.664908][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5725.664908][   T10]      ipv6_add_addr+0x411/0x2000
[ 5725.664908][   T10]      inet6_addr_add+0x30e/0xa40
[ 5725.664908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.664908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.664908][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.664908][   T10]      netlink_unicast+0x449/0x710
[ 5725.664908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.664908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.664908][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.664908][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.664908][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.664908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.664908][   T10] 
[ 5725.666877][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.666877][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.666877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.666877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.666877][   T10]      ip6_route_add+0x1c/0x140
[ 5725.666877][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5725.666877][   T10]      addrconf_add_dev+0xe2/0x170
[ 5725.666877][   T10]      inet6_addr_add+0x12f/0xa40
[ 5725.666877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.666877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.666877][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.666877][   T10]      netlink_unicast+0x449/0x710
[ 5725.666877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.666877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.666877][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.666877][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.666877][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.666877][   T10] 
[ 5725.668825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.668825][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5725.668825][   T10]      ipv6_find_idev+0x102/0x170
[ 5725.668825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5725.668825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.668825][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.668825][   T10]      netlink_unicast+0x449/0x710
[ 5725.668825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.668825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.668825][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.668825][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.668825][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.668825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.668825][   T10] 
[ 5725.670380][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5725.670380][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5725.670380][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5725.670380][   T10]      ipv6_find_idev+0x102/0x170
[ 5725.670380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5725.670380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.670380][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.670380][   T10]      netlink_unicast+0x449/0x710
[ 5725.670380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.670380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.670380][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.670380][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.670380][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.670380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.670380][   T10] 
[ 5725.672110][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5725.672353][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.672353][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5725.672353][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5725.672353][   T10]      fib6_nh_init+0xa22/0x1580
[ 5725.672353][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.672353][   T10]      ip6_route_add+0x1c/0x140
[ 5725.672353][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5725.672353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.672353][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.672353][   T10]      netlink_unicast+0x449/0x710
[ 5725.672353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.672353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.672353][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.672353][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.672353][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.672353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.672353][   T10] 
[ 5725.674256][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.674256][   T10]      dst_init+0x84/0x4a0
[ 5725.674256][   T10]      dst_alloc+0x97/0x150
[ 5725.674256][   T10]      ip6_dst_alloc+0x23/0x90
[ 5725.674256][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5725.674256][   T10]      ip6_pol_route+0x56f/0x840
[ 5725.674256][   T10]      fib6_rule_lookup+0x456/0x630
[ 5725.674256][   T10]      ip6_route_input+0x59c/0xa50
[ 5725.674256][   T10]      ipv6_rcv+0x397/0x810
[ 5725.674256][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5725.674256][   T10]      process_backlog+0x101/0x620
[ 5725.674256][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5725.674256][   T10]      net_rx_action+0x495/0xbe0
[ 5725.674256][   T10]      __do_softirq+0x1b5/0x7f6
[ 5725.674256][   T10] 
[ 5725.675902][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.675902][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.675902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.675902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.675902][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5725.675902][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5725.675902][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5725.675902][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5725.675902][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5725.675902][   T10]      addrconf_dad_begin+0x310/0x670
[ 5725.675902][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5725.675902][   T10]      process_one_work+0x84d/0x18a0
[ 5725.675902][   T10]      worker_thread+0x587/0xd30
[ 5725.675902][   T10]      kthread+0x28a/0x350
[ 5725.675902][   T10]      ret_from_fork+0x31/0x70
[ 5725.675902][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5725.675902][   T10] 
[ 5725.677822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.677822][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.677822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.677822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.677822][   T10]      ip6_route_add+0x1c/0x140
[ 5725.677822][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5725.677822][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5725.677822][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.677822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.677822][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.677822][   T10]      netlink_unicast+0x449/0x710
[ 5725.677822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.677822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.677822][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.677822][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.677822][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.677822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.677822][   T10] 
[ 5725.679862][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.679862][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.679862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.679862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.679862][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5725.679862][   T10]      ipv6_add_addr+0x411/0x2000
[ 5725.679862][   T10]      inet6_addr_add+0x30e/0xa40
[ 5725.679862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.679862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.679862][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.679862][   T10]      netlink_unicast+0x449/0x710
[ 5725.679862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.679862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.679862][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.679862][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.679862][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.679862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.679862][   T10] 
[ 5725.681901][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.681901][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.681901][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.681901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.681901][   T10]      ip6_route_add+0x1c/0x140
[ 5725.681901][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5725.681901][   T10]      addrconf_add_dev+0xe2/0x170
[ 5725.681901][   T10]      inet6_addr_add+0x12f/0xa40
[ 5725.681901][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.681901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.681901][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.681901][   T10]      netlink_unicast+0x449/0x710
[ 5725.681901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.681901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.681901][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.681901][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.681901][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.681901][   T10] 
[ 5725.684076][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.684076][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5725.684076][   T10]      ipv6_find_idev+0x102/0x170
[ 5725.684076][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5725.684076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.684076][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.684076][   T10]      netlink_unicast+0x449/0x710
[ 5725.684076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.684076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.684076][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.684076][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.684076][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.684076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.684076][   T10] 
[ 5725.685875][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5725.685875][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5725.685875][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5725.685875][   T10]      ipv6_find_idev+0x102/0x170
[ 5725.685875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5725.685875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.685875][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.685875][   T10]      netlink_unicast+0x449/0x710
[ 5725.685875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.685875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.685875][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.685875][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.685875][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.685875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.685875][   T10] 
[ 5725.687769][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5725.688010][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5725.688010][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.688010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.688010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.688010][   T10]      ip6_route_add+0x1c/0x140
[ 5725.688010][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5725.688010][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5725.688010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.688010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.688010][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.688010][   T10]      netlink_unicast+0x449/0x710
[ 5725.688010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.688010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.688010][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.688010][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.688010][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.688010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.688010][   T10] 
[ 5725.690806][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5725.690806][   T10]      netdev_get_by_index+0x5e/0x80
[ 5725.690806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5725.690806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5725.690806][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5725.690806][   T10]      ipv6_add_addr+0x411/0x2000
[ 5725.690806][   T10]      inet6_addr_add+0x30e/0xa40
[ 5725.690806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5725.690806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.690806][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.690806][   T10]      netlink_unicast+0x449/0x710
[ 5725.690806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.690806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.690806][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.690806][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.690806][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.690806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.690806][   T10] 
[ 5725.693066][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5725.693066][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5725.693066][   T10]      ipv6_find_idev+0x102/0x170
[ 5725.693066][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5725.693066][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.693066][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.693066][   T10]      netlink_unicast+0x449/0x710
[ 5725.693066][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.693066][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.693066][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.693066][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.693066][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.693066][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.693066][   T10] 
[ 5725.694871][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5725.694871][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5725.694871][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5725.694871][   T10]      ipv6_find_idev+0x102/0x170
[ 5725.694871][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5725.694871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5725.694871][   T10]      netlink_rcv_skb+0x130/0x360
[ 5725.694871][   T10]      netlink_unicast+0x449/0x710
[ 5725.694871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5725.694871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5725.694871][   T10]      ___sys_sendmsg+0xee/0x170
[ 5725.694871][   T10]      __sys_sendmsg+0xcd/0x170
[ 5725.694871][   T10]      do_syscall_64+0xc6/0x1e0
[ 5725.694871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5725.694871][   T10] 
[ 5735.936701][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5735.937162][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.937162][   T10]      dst_init+0x84/0x4a0
[ 5735.937162][   T10]      dst_alloc+0x97/0x150
[ 5735.937162][   T10]      ip6_dst_alloc+0x23/0x90
[ 5735.937162][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5735.937162][   T10]      ip6_pol_route+0x56f/0x840
[ 5735.937162][   T10]      fib6_rule_lookup+0x456/0x630
[ 5735.937162][   T10]      ip6_route_input+0x59c/0xa50
[ 5735.937162][   T10]      ipv6_rcv+0x397/0x810
[ 5735.937162][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5735.937162][   T10]      process_backlog+0x101/0x620
[ 5735.937162][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5735.937162][   T10]      net_rx_action+0x495/0xbe0
[ 5735.937162][   T10]      __do_softirq+0x1b5/0x7f6
[ 5735.937162][   T10] 
[ 5735.938862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.938862][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5735.938862][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5735.938862][   T10]      fib6_nh_init+0xa22/0x1580
[ 5735.938862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.938862][   T10]      ip6_route_add+0x1c/0x140
[ 5735.938862][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5735.938862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.938862][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.938862][   T10]      netlink_unicast+0x449/0x710
[ 5735.938862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.938862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.938862][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.938862][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.938862][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.938862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.938862][   T10] 
[ 5735.940791][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.940791][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.940791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.940791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.940791][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5735.940791][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5735.940791][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5735.940791][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5735.940791][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5735.940791][   T10]      addrconf_dad_begin+0x310/0x670
[ 5735.940791][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5735.940791][   T10]      process_one_work+0x84d/0x18a0
[ 5735.940791][   T10]      worker_thread+0x587/0xd30
[ 5735.940791][   T10]      kthread+0x28a/0x350
[ 5735.940791][   T10]      ret_from_fork+0x31/0x70
[ 5735.940791][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5735.940791][   T10] 
[ 5735.942724][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.942724][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.942724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.942724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.942724][   T10]      ip6_route_add+0x1c/0x140
[ 5735.942724][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5735.942724][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5735.942724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.942724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.942724][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.942724][   T10]      netlink_unicast+0x449/0x710
[ 5735.942724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.942724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.942724][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.942724][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.942724][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.942724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.942724][   T10] 
[ 5735.944756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.944756][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.944756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.944756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.944756][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5735.944756][   T10]      ipv6_add_addr+0x411/0x2000
[ 5735.944756][   T10]      inet6_addr_add+0x30e/0xa40
[ 5735.944756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.944756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.944756][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.944756][   T10]      netlink_unicast+0x449/0x710
[ 5735.944756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.944756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.944756][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.944756][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.944756][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.944756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.944756][   T10] 
[ 5735.946790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.946790][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.946790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.946790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.946790][   T10]      ip6_route_add+0x1c/0x140
[ 5735.946790][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5735.946790][   T10]      addrconf_add_dev+0xe2/0x170
[ 5735.946790][   T10]      inet6_addr_add+0x12f/0xa40
[ 5735.946790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.946790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.946790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.946790][   T10]      netlink_unicast+0x449/0x710
[ 5735.946790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.946790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.946790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.946790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.946790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.946790][   T10] 
[ 5735.948739][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.948739][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5735.948739][   T10]      ipv6_find_idev+0x102/0x170
[ 5735.948739][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5735.948739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.948739][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.948739][   T10]      netlink_unicast+0x449/0x710
[ 5735.948739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.948739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.948739][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.948739][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.948739][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.948739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.948739][   T10] 
[ 5735.950301][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5735.950301][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5735.950301][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5735.950301][   T10]      ipv6_find_idev+0x102/0x170
[ 5735.950301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5735.950301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.950301][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.950301][   T10]      netlink_unicast+0x449/0x710
[ 5735.950301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.950301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.950301][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.950301][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.950301][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.950301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.950301][   T10] 
[ 5735.952040][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5735.952283][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.952283][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5735.952283][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5735.952283][   T10]      fib6_nh_init+0xa22/0x1580
[ 5735.952283][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.952283][   T10]      ip6_route_add+0x1c/0x140
[ 5735.952283][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5735.952283][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.952283][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.952283][   T10]      netlink_unicast+0x449/0x710
[ 5735.952283][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.952283][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.952283][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.952283][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.952283][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.952283][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.952283][   T10] 
[ 5735.954184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.954184][   T10]      dst_init+0x84/0x4a0
[ 5735.954184][   T10]      dst_alloc+0x97/0x150
[ 5735.954184][   T10]      ip6_dst_alloc+0x23/0x90
[ 5735.954184][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5735.954184][   T10]      ip6_pol_route+0x56f/0x840
[ 5735.954184][   T10]      fib6_rule_lookup+0x456/0x630
[ 5735.954184][   T10]      ip6_route_input+0x59c/0xa50
[ 5735.954184][   T10]      ipv6_rcv+0x397/0x810
[ 5735.954184][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5735.954184][   T10]      process_backlog+0x101/0x620
[ 5735.954184][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5735.954184][   T10]      net_rx_action+0x495/0xbe0
[ 5735.954184][   T10]      __do_softirq+0x1b5/0x7f6
[ 5735.954184][   T10] 
[ 5735.955838][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.955838][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.955838][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.955838][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.955838][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5735.955838][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5735.955838][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5735.955838][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5735.955838][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5735.955838][   T10]      addrconf_dad_begin+0x310/0x670
[ 5735.955838][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5735.955838][   T10]      process_one_work+0x84d/0x18a0
[ 5735.955838][   T10]      worker_thread+0x587/0xd30
[ 5735.955838][   T10]      kthread+0x28a/0x350
[ 5735.955838][   T10]      ret_from_fork+0x31/0x70
[ 5735.955838][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5735.955838][   T10] 
[ 5735.957766][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.957766][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.957766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.957766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.957766][   T10]      ip6_route_add+0x1c/0x140
[ 5735.957766][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5735.957766][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5735.957766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.957766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.957766][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.957766][   T10]      netlink_unicast+0x449/0x710
[ 5735.957766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.957766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.957766][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.957766][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.957766][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.957766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.957766][   T10] 
[ 5735.959811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.959811][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.959811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.959811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.959811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5735.959811][   T10]      ipv6_add_addr+0x411/0x2000
[ 5735.959811][   T10]      inet6_addr_add+0x30e/0xa40
[ 5735.959811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.959811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.959811][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.959811][   T10]      netlink_unicast+0x449/0x710
[ 5735.959811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.959811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.959811][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.959811][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.959811][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.959811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.959811][   T10] 
[ 5735.961834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.961834][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.961834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.961834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.961834][   T10]      ip6_route_add+0x1c/0x140
[ 5735.961834][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5735.961834][   T10]      addrconf_add_dev+0xe2/0x170
[ 5735.961834][   T10]      inet6_addr_add+0x12f/0xa40
[ 5735.961834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.961834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.961834][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.961834][   T10]      netlink_unicast+0x449/0x710
[ 5735.961834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.961834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.961834][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.961834][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.961834][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.961834][   T10] 
[ 5735.964005][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.964005][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5735.964005][   T10]      ipv6_find_idev+0x102/0x170
[ 5735.964005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5735.964005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.964005][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.964005][   T10]      netlink_unicast+0x449/0x710
[ 5735.964005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.964005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.964005][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.964005][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.964005][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.964005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.964005][   T10] 
[ 5735.965747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5735.965747][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5735.965747][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5735.965747][   T10]      ipv6_find_idev+0x102/0x170
[ 5735.965747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5735.965747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.965747][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.965747][   T10]      netlink_unicast+0x449/0x710
[ 5735.965747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.965747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.965747][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.965747][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.965747][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.965747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.965747][   T10] 
[ 5735.967710][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5735.967955][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5735.967955][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.967955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.967955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.967955][   T10]      ip6_route_add+0x1c/0x140
[ 5735.967955][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5735.967955][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5735.967955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.967955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.967955][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.967955][   T10]      netlink_unicast+0x449/0x710
[ 5735.967955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.967955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.967955][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.967955][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.967955][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.967955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.967955][   T10] 
[ 5735.970230][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5735.970230][   T10]      netdev_get_by_index+0x5e/0x80
[ 5735.970230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5735.970230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5735.970230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5735.970230][   T10]      ipv6_add_addr+0x411/0x2000
[ 5735.970230][   T10]      inet6_addr_add+0x30e/0xa40
[ 5735.970230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5735.970230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.970230][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.970230][   T10]      netlink_unicast+0x449/0x710
[ 5735.970230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.970230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.970230][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.970230][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.970230][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.970230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.970230][   T10] 
[ 5735.972497][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5735.972497][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5735.972497][   T10]      ipv6_find_idev+0x102/0x170
[ 5735.972497][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5735.972497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.972497][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.972497][   T10]      netlink_unicast+0x449/0x710
[ 5735.972497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.972497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.972497][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.972497][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.972497][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.972497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.972497][   T10] 
[ 5735.974233][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5735.974233][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5735.974233][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5735.974233][   T10]      ipv6_find_idev+0x102/0x170
[ 5735.974233][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5735.974233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5735.974233][   T10]      netlink_rcv_skb+0x130/0x360
[ 5735.974233][   T10]      netlink_unicast+0x449/0x710
[ 5735.974233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5735.974233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5735.974233][   T10]      ___sys_sendmsg+0xee/0x170
[ 5735.974233][   T10]      __sys_sendmsg+0xcd/0x170
[ 5735.974233][   T10]      do_syscall_64+0xc6/0x1e0
[ 5735.974233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5735.974233][   T10] 
[ 5746.024731][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5746.025192][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.025192][   T10]      dst_init+0x84/0x4a0
[ 5746.025192][   T10]      dst_alloc+0x97/0x150
[ 5746.025192][   T10]      ip6_dst_alloc+0x23/0x90
[ 5746.025192][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5746.025192][   T10]      ip6_pol_route+0x56f/0x840
[ 5746.025192][   T10]      fib6_rule_lookup+0x456/0x630
[ 5746.025192][   T10]      ip6_route_input+0x59c/0xa50
[ 5746.025192][   T10]      ipv6_rcv+0x397/0x810
[ 5746.025192][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5746.025192][   T10]      process_backlog+0x101/0x620
[ 5746.025192][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5746.025192][   T10]      net_rx_action+0x495/0xbe0
[ 5746.025192][   T10]      __do_softirq+0x1b5/0x7f6
[ 5746.025192][   T10] 
[ 5746.026856][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.026856][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5746.026856][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5746.026856][   T10]      fib6_nh_init+0xa22/0x1580
[ 5746.026856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.026856][   T10]      ip6_route_add+0x1c/0x140
[ 5746.026856][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5746.026856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.026856][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.026856][   T10]      netlink_unicast+0x449/0x710
[ 5746.026856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.026856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.026856][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.026856][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.026856][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.026856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.026856][   T10] 
[ 5746.028758][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.028758][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.028758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.028758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.028758][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5746.028758][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5746.028758][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5746.028758][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5746.028758][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5746.028758][   T10]      addrconf_dad_begin+0x310/0x670
[ 5746.028758][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5746.028758][   T10]      process_one_work+0x84d/0x18a0
[ 5746.028758][   T10]      worker_thread+0x587/0xd30
[ 5746.028758][   T10]      kthread+0x28a/0x350
[ 5746.028758][   T10]      ret_from_fork+0x31/0x70
[ 5746.028758][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5746.028758][   T10] 
[ 5746.030682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.030682][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.030682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.030682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.030682][   T10]      ip6_route_add+0x1c/0x140
[ 5746.030682][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5746.030682][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5746.030682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.030682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.030682][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.030682][   T10]      netlink_unicast+0x449/0x710
[ 5746.030682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.030682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.030682][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.030682][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.030682][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.030682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.030682][   T10] 
[ 5746.032684][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.032684][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.032684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.032684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.032684][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5746.032684][   T10]      ipv6_add_addr+0x411/0x2000
[ 5746.032684][   T10]      inet6_addr_add+0x30e/0xa40
[ 5746.032684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.032684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.032684][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.032684][   T10]      netlink_unicast+0x449/0x710
[ 5746.032684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.032684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.032684][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.032684][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.032684][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.032684][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.032684][   T10] 
[ 5746.034679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.034679][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.034679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.034679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.034679][   T10]      ip6_route_add+0x1c/0x140
[ 5746.034679][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5746.034679][   T10]      addrconf_add_dev+0xe2/0x170
[ 5746.034679][   T10]      inet6_addr_add+0x12f/0xa40
[ 5746.034679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.034679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.034679][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.034679][   T10]      netlink_unicast+0x449/0x710
[ 5746.034679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.034679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.034679][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.034679][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.034679][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.034679][   T10] 
[ 5746.036654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.036654][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5746.036654][   T10]      ipv6_find_idev+0x102/0x170
[ 5746.036654][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5746.036654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.036654][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.036654][   T10]      netlink_unicast+0x449/0x710
[ 5746.036654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.036654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.036654][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.036654][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.036654][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.036654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.036654][   T10] 
[ 5746.038203][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5746.038203][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5746.038203][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5746.038203][   T10]      ipv6_find_idev+0x102/0x170
[ 5746.038203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5746.038203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.038203][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.038203][   T10]      netlink_unicast+0x449/0x710
[ 5746.038203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.038203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.038203][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.038203][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.038203][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.038203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.038203][   T10] 
[ 5746.039896][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5746.040136][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.040136][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5746.040136][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5746.040136][   T10]      fib6_nh_init+0xa22/0x1580
[ 5746.040136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.040136][   T10]      ip6_route_add+0x1c/0x140
[ 5746.040136][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5746.040136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.040136][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.040136][   T10]      netlink_unicast+0x449/0x710
[ 5746.040136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.040136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.040136][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.040136][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.040136][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.040136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.040136][   T10] 
[ 5746.042013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.042013][   T10]      dst_init+0x84/0x4a0
[ 5746.042013][   T10]      dst_alloc+0x97/0x150
[ 5746.042013][   T10]      ip6_dst_alloc+0x23/0x90
[ 5746.042013][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5746.042013][   T10]      ip6_pol_route+0x56f/0x840
[ 5746.042013][   T10]      fib6_rule_lookup+0x456/0x630
[ 5746.042013][   T10]      ip6_route_input+0x59c/0xa50
[ 5746.042013][   T10]      ipv6_rcv+0x397/0x810
[ 5746.042013][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5746.042013][   T10]      process_backlog+0x101/0x620
[ 5746.042013][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5746.042013][   T10]      net_rx_action+0x495/0xbe0
[ 5746.042013][   T10]      __do_softirq+0x1b5/0x7f6
[ 5746.042013][   T10] 
[ 5746.043647][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.043647][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.043647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.043647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.043647][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5746.043647][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5746.043647][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5746.043647][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5746.043647][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5746.043647][   T10]      addrconf_dad_begin+0x310/0x670
[ 5746.043647][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5746.043647][   T10]      process_one_work+0x84d/0x18a0
[ 5746.043647][   T10]      worker_thread+0x587/0xd30
[ 5746.043647][   T10]      kthread+0x28a/0x350
[ 5746.043647][   T10]      ret_from_fork+0x31/0x70
[ 5746.043647][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5746.043647][   T10] 
[ 5746.045555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.045555][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.045555][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.045555][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.045555][   T10]      ip6_route_add+0x1c/0x140
[ 5746.045555][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5746.045555][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5746.045555][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.045555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.045555][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.045555][   T10]      netlink_unicast+0x449/0x710
[ 5746.045555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.045555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.045555][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.045555][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.045555][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.045555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.045555][   T10] 
[ 5746.047551][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.047551][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.047551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.047551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.047551][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5746.047551][   T10]      ipv6_add_addr+0x411/0x2000
[ 5746.047551][   T10]      inet6_addr_add+0x30e/0xa40
[ 5746.047551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.047551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.047551][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.047551][   T10]      netlink_unicast+0x449/0x710
[ 5746.047551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.047551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.047551][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.047551][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.047551][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.047551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.047551][   T10] 
[ 5746.049551][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.049551][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.049551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.049551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.049551][   T10]      ip6_route_add+0x1c/0x140
[ 5746.049551][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5746.049551][   T10]      addrconf_add_dev+0xe2/0x170
[ 5746.049551][   T10]      inet6_addr_add+0x12f/0xa40
[ 5746.049551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.049551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.049551][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.049551][   T10]      netlink_unicast+0x449/0x710
[ 5746.049551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.049551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.049551][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.049551][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.049551][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.049551][   T10] 
[ 5746.051696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.051696][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5746.051696][   T10]      ipv6_find_idev+0x102/0x170
[ 5746.051696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5746.051696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.051696][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.051696][   T10]      netlink_unicast+0x449/0x710
[ 5746.051696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.051696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.051696][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.051696][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.051696][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.051696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.051696][   T10] 
[ 5746.053474][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5746.053474][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5746.053474][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5746.053474][   T10]      ipv6_find_idev+0x102/0x170
[ 5746.053474][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5746.053474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.053474][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.053474][   T10]      netlink_unicast+0x449/0x710
[ 5746.053474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.053474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.053474][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.053474][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.053474][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.053474][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.053474][   T10] 
[ 5746.055328][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5746.055567][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5746.055567][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.055567][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.055567][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.055567][   T10]      ip6_route_add+0x1c/0x140
[ 5746.055567][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5746.055567][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5746.055567][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.055567][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.055567][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.055567][   T10]      netlink_unicast+0x449/0x710
[ 5746.055567][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.055567][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.055567][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.055567][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.055567][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.055567][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.055567][   T10] 
[ 5746.057798][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5746.057798][   T10]      netdev_get_by_index+0x5e/0x80
[ 5746.057798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5746.057798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5746.057798][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5746.057798][   T10]      ipv6_add_addr+0x411/0x2000
[ 5746.057798][   T10]      inet6_addr_add+0x30e/0xa40
[ 5746.057798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5746.057798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.057798][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.057798][   T10]      netlink_unicast+0x449/0x710
[ 5746.057798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.057798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.057798][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.057798][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.057798][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.057798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.057798][   T10] 
[ 5746.060036][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5746.060036][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5746.060036][   T10]      ipv6_find_idev+0x102/0x170
[ 5746.060036][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5746.060036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.060036][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.060036][   T10]      netlink_unicast+0x449/0x710
[ 5746.060036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.060036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.060036][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.060036][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.060036][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.060036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.060036][   T10] 
[ 5746.061812][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5746.061812][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5746.061812][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5746.061812][   T10]      ipv6_find_idev+0x102/0x170
[ 5746.061812][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5746.061812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5746.061812][   T10]      netlink_rcv_skb+0x130/0x360
[ 5746.061812][   T10]      netlink_unicast+0x449/0x710
[ 5746.061812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5746.061812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5746.061812][   T10]      ___sys_sendmsg+0xee/0x170
[ 5746.061812][   T10]      __sys_sendmsg+0xcd/0x170
[ 5746.061812][   T10]      do_syscall_64+0xc6/0x1e0
[ 5746.061812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5746.061812][   T10] 
[ 5756.240694][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5756.241145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.241145][   T10]      dst_init+0x84/0x4a0
[ 5756.241145][   T10]      dst_alloc+0x97/0x150
[ 5756.241145][   T10]      ip6_dst_alloc+0x23/0x90
[ 5756.241145][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5756.241145][   T10]      ip6_pol_route+0x56f/0x840
[ 5756.241145][   T10]      fib6_rule_lookup+0x456/0x630
[ 5756.241145][   T10]      ip6_route_input+0x59c/0xa50
[ 5756.241145][   T10]      ipv6_rcv+0x397/0x810
[ 5756.241145][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5756.241145][   T10]      process_backlog+0x101/0x620
[ 5756.241145][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5756.241145][   T10]      net_rx_action+0x495/0xbe0
[ 5756.241145][   T10]      __do_softirq+0x1b5/0x7f6
[ 5756.241145][   T10] 
[ 5756.242811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.242811][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5756.242811][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5756.242811][   T10]      fib6_nh_init+0xa22/0x1580
[ 5756.242811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.242811][   T10]      ip6_route_add+0x1c/0x140
[ 5756.242811][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5756.242811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.242811][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.242811][   T10]      netlink_unicast+0x449/0x710
[ 5756.242811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.242811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.242811][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.242811][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.242811][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.242811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.242811][   T10] 
[ 5756.244711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.244711][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.244711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.244711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.244711][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5756.244711][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5756.244711][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5756.244711][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5756.244711][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5756.244711][   T10]      addrconf_dad_begin+0x310/0x670
[ 5756.244711][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5756.244711][   T10]      process_one_work+0x84d/0x18a0
[ 5756.244711][   T10]      worker_thread+0x587/0xd30
[ 5756.244711][   T10]      kthread+0x28a/0x350
[ 5756.244711][   T10]      ret_from_fork+0x31/0x70
[ 5756.244711][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5756.244711][   T10] 
[ 5756.246613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.246613][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.246613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.246613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.246613][   T10]      ip6_route_add+0x1c/0x140
[ 5756.246613][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5756.246613][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5756.246613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.246613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.246613][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.246613][   T10]      netlink_unicast+0x449/0x710
[ 5756.246613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.246613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.246613][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.246613][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.246613][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.246613][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.246613][   T10] 
[ 5756.248609][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.248609][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.248609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.248609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.248609][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5756.248609][   T10]      ipv6_add_addr+0x411/0x2000
[ 5756.248609][   T10]      inet6_addr_add+0x30e/0xa40
[ 5756.248609][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.248609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.248609][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.248609][   T10]      netlink_unicast+0x449/0x710
[ 5756.248609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.248609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.248609][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.248609][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.248609][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.248609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.248609][   T10] 
[ 5756.250613][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.250613][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.250613][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.250613][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.250613][   T10]      ip6_route_add+0x1c/0x140
[ 5756.250613][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5756.250613][   T10]      addrconf_add_dev+0xe2/0x170
[ 5756.250613][   T10]      inet6_addr_add+0x12f/0xa40
[ 5756.250613][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.250613][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.250613][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.250613][   T10]      netlink_unicast+0x449/0x710
[ 5756.250613][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.250613][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.250613][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.250613][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.250613][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.250613][   T10] 
[ 5756.252565][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.252565][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5756.252565][   T10]      ipv6_find_idev+0x102/0x170
[ 5756.252565][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5756.252565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.252565][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.252565][   T10]      netlink_unicast+0x449/0x710
[ 5756.252565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.252565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.252565][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.252565][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.252565][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.252565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.252565][   T10] 
[ 5756.254104][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5756.254104][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5756.254104][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5756.254104][   T10]      ipv6_find_idev+0x102/0x170
[ 5756.254104][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5756.254104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.254104][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.254104][   T10]      netlink_unicast+0x449/0x710
[ 5756.254104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.254104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.254104][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.254104][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.254104][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.254104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.254104][   T10] 
[ 5756.255799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5756.256041][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.256041][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5756.256041][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5756.256041][   T10]      fib6_nh_init+0xa22/0x1580
[ 5756.256041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.256041][   T10]      ip6_route_add+0x1c/0x140
[ 5756.256041][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5756.256041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.256041][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.256041][   T10]      netlink_unicast+0x449/0x710
[ 5756.256041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.256041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.256041][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.256041][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.256041][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.256041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.256041][   T10] 
[ 5756.257909][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.257909][   T10]      dst_init+0x84/0x4a0
[ 5756.257909][   T10]      dst_alloc+0x97/0x150
[ 5756.257909][   T10]      ip6_dst_alloc+0x23/0x90
[ 5756.257909][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5756.257909][   T10]      ip6_pol_route+0x56f/0x840
[ 5756.257909][   T10]      fib6_rule_lookup+0x456/0x630
[ 5756.257909][   T10]      ip6_route_input+0x59c/0xa50
[ 5756.257909][   T10]      ipv6_rcv+0x397/0x810
[ 5756.257909][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5756.257909][   T10]      process_backlog+0x101/0x620
[ 5756.257909][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5756.257909][   T10]      net_rx_action+0x495/0xbe0
[ 5756.257909][   T10]      __do_softirq+0x1b5/0x7f6
[ 5756.257909][   T10] 
[ 5756.259542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.259542][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.259542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.259542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.259542][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5756.259542][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5756.259542][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5756.259542][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5756.259542][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5756.259542][   T10]      addrconf_dad_begin+0x310/0x670
[ 5756.259542][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5756.259542][   T10]      process_one_work+0x84d/0x18a0
[ 5756.259542][   T10]      worker_thread+0x587/0xd30
[ 5756.259542][   T10]      kthread+0x28a/0x350
[ 5756.259542][   T10]      ret_from_fork+0x31/0x70
[ 5756.259542][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5756.259542][   T10] 
[ 5756.261444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.261444][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.261444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.261444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.261444][   T10]      ip6_route_add+0x1c/0x140
[ 5756.261444][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5756.261444][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5756.261444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.261444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.261444][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.261444][   T10]      netlink_unicast+0x449/0x710
[ 5756.261444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.261444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.261444][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.261444][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.261444][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.261444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.261444][   T10] 
[ 5756.263436][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.263436][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.263436][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.263436][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.263436][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5756.263436][   T10]      ipv6_add_addr+0x411/0x2000
[ 5756.263436][   T10]      inet6_addr_add+0x30e/0xa40
[ 5756.263436][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.263436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.263436][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.263436][   T10]      netlink_unicast+0x449/0x710
[ 5756.263436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.263436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.263436][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.263436][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.263436][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.263436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.263436][   T10] 
[ 5756.265452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.265452][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.265452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.265452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.265452][   T10]      ip6_route_add+0x1c/0x140
[ 5756.265452][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5756.265452][   T10]      addrconf_add_dev+0xe2/0x170
[ 5756.265452][   T10]      inet6_addr_add+0x12f/0xa40
[ 5756.265452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.265452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.265452][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.265452][   T10]      netlink_unicast+0x449/0x710
[ 5756.265452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.265452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.265452][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.265452][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.265452][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.265452][   T10] 
[ 5756.267591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.267591][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5756.267591][   T10]      ipv6_find_idev+0x102/0x170
[ 5756.267591][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5756.267591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.267591][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.267591][   T10]      netlink_unicast+0x449/0x710
[ 5756.267591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.267591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.267591][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.267591][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.267591][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.267591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.267591][   T10] 
[ 5756.269321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5756.269321][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5756.269321][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5756.269321][   T10]      ipv6_find_idev+0x102/0x170
[ 5756.269321][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5756.269321][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.269321][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.269321][   T10]      netlink_unicast+0x449/0x710
[ 5756.269321][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.269321][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.269321][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.269321][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.269321][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.269321][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.269321][   T10] 
[ 5756.271238][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5756.271475][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5756.271475][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.271475][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.271475][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.271475][   T10]      ip6_route_add+0x1c/0x140
[ 5756.271475][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5756.271475][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5756.271475][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.271475][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.271475][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.271475][   T10]      netlink_unicast+0x449/0x710
[ 5756.271475][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.271475][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.271475][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.271475][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.271475][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.271475][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.271475][   T10] 
[ 5756.273711][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5756.273711][   T10]      netdev_get_by_index+0x5e/0x80
[ 5756.273711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5756.273711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5756.273711][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5756.273711][   T10]      ipv6_add_addr+0x411/0x2000
[ 5756.273711][   T10]      inet6_addr_add+0x30e/0xa40
[ 5756.273711][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5756.273711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.273711][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.273711][   T10]      netlink_unicast+0x449/0x710
[ 5756.273711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.273711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.273711][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.273711][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.273711][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.273711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.273711][   T10] 
[ 5756.275941][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5756.275941][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5756.275941][   T10]      ipv6_find_idev+0x102/0x170
[ 5756.275941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5756.275941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.275941][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.275941][   T10]      netlink_unicast+0x449/0x710
[ 5756.275941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.275941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.275941][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.275941][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.275941][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.275941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.275941][   T10] 
[ 5756.277680][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5756.277680][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5756.277680][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5756.277680][   T10]      ipv6_find_idev+0x102/0x170
[ 5756.277680][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5756.277680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5756.277680][   T10]      netlink_rcv_skb+0x130/0x360
[ 5756.277680][   T10]      netlink_unicast+0x449/0x710
[ 5756.277680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5756.277680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5756.277680][   T10]      ___sys_sendmsg+0xee/0x170
[ 5756.277680][   T10]      __sys_sendmsg+0xcd/0x170
[ 5756.277680][   T10]      do_syscall_64+0xc6/0x1e0
[ 5756.277680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5756.277680][   T10] 
[ 5766.528650][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5766.529130][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.529130][   T10]      dst_init+0x84/0x4a0
[ 5766.529130][   T10]      dst_alloc+0x97/0x150
[ 5766.529130][   T10]      ip6_dst_alloc+0x23/0x90
[ 5766.529130][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5766.529130][   T10]      ip6_pol_route+0x56f/0x840
[ 5766.529130][   T10]      fib6_rule_lookup+0x456/0x630
[ 5766.529130][   T10]      ip6_route_input+0x59c/0xa50
[ 5766.529130][   T10]      ipv6_rcv+0x397/0x810
[ 5766.529130][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5766.529130][   T10]      process_backlog+0x101/0x620
[ 5766.529130][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5766.529130][   T10]      net_rx_action+0x495/0xbe0
[ 5766.529130][   T10]      __do_softirq+0x1b5/0x7f6
[ 5766.529130][   T10] 
[ 5766.530846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.530846][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5766.530846][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5766.530846][   T10]      fib6_nh_init+0xa22/0x1580
[ 5766.530846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.530846][   T10]      ip6_route_add+0x1c/0x140
[ 5766.530846][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5766.530846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.530846][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.530846][   T10]      netlink_unicast+0x449/0x710
[ 5766.530846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.530846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.530846][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.530846][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.530846][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.530846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.530846][   T10] 
[ 5766.532793][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.532793][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.532793][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.532793][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.532793][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5766.532793][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5766.532793][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5766.532793][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5766.532793][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5766.532793][   T10]      addrconf_dad_begin+0x310/0x670
[ 5766.532793][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5766.532793][   T10]      process_one_work+0x84d/0x18a0
[ 5766.532793][   T10]      worker_thread+0x587/0xd30
[ 5766.532793][   T10]      kthread+0x28a/0x350
[ 5766.532793][   T10]      ret_from_fork+0x31/0x70
[ 5766.532793][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5766.532793][   T10] 
[ 5766.534737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.534737][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.534737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.534737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.534737][   T10]      ip6_route_add+0x1c/0x140
[ 5766.534737][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5766.534737][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5766.534737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.534737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.534737][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.534737][   T10]      netlink_unicast+0x449/0x710
[ 5766.534737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.534737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.534737][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.534737][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.534737][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.534737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.534737][   T10] 
[ 5766.536776][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.536776][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.536776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.536776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.536776][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5766.536776][   T10]      ipv6_add_addr+0x411/0x2000
[ 5766.536776][   T10]      inet6_addr_add+0x30e/0xa40
[ 5766.536776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.536776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.536776][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.536776][   T10]      netlink_unicast+0x449/0x710
[ 5766.536776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.536776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.536776][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.536776][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.536776][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.536776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.536776][   T10] 
[ 5766.538803][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.538803][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.538803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.538803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.538803][   T10]      ip6_route_add+0x1c/0x140
[ 5766.538803][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5766.538803][   T10]      addrconf_add_dev+0xe2/0x170
[ 5766.538803][   T10]      inet6_addr_add+0x12f/0xa40
[ 5766.538803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.538803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.538803][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.538803][   T10]      netlink_unicast+0x449/0x710
[ 5766.538803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.538803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.538803][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.538803][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.538803][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.538803][   T10] 
[ 5766.540821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.540821][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5766.540821][   T10]      ipv6_find_idev+0x102/0x170
[ 5766.540821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5766.540821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.540821][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.540821][   T10]      netlink_unicast+0x449/0x710
[ 5766.540821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.540821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.540821][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.540821][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.540821][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.540821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.540821][   T10] 
[ 5766.542412][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5766.542412][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5766.542412][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5766.542412][   T10]      ipv6_find_idev+0x102/0x170
[ 5766.542412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5766.542412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.542412][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.542412][   T10]      netlink_unicast+0x449/0x710
[ 5766.542412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.542412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.542412][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.542412][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.542412][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.542412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.542412][   T10] 
[ 5766.544164][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5766.544406][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.544406][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5766.544406][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5766.544406][   T10]      fib6_nh_init+0xa22/0x1580
[ 5766.544406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.544406][   T10]      ip6_route_add+0x1c/0x140
[ 5766.544406][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5766.544406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.544406][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.544406][   T10]      netlink_unicast+0x449/0x710
[ 5766.544406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.544406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.544406][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.544406][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.544406][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.544406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.544406][   T10] 
[ 5766.546334][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.546334][   T10]      dst_init+0x84/0x4a0
[ 5766.546334][   T10]      dst_alloc+0x97/0x150
[ 5766.546334][   T10]      ip6_dst_alloc+0x23/0x90
[ 5766.546334][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5766.546334][   T10]      ip6_pol_route+0x56f/0x840
[ 5766.546334][   T10]      fib6_rule_lookup+0x456/0x630
[ 5766.546334][   T10]      ip6_route_input+0x59c/0xa50
[ 5766.546334][   T10]      ipv6_rcv+0x397/0x810
[ 5766.546334][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5766.546334][   T10]      process_backlog+0x101/0x620
[ 5766.546334][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5766.546334][   T10]      net_rx_action+0x495/0xbe0
[ 5766.546334][   T10]      __do_softirq+0x1b5/0x7f6
[ 5766.546334][   T10] 
[ 5766.548004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.548004][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.548004][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.548004][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.548004][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5766.548004][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5766.548004][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5766.548004][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5766.548004][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5766.548004][   T10]      addrconf_dad_begin+0x310/0x670
[ 5766.548004][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5766.548004][   T10]      process_one_work+0x84d/0x18a0
[ 5766.548004][   T10]      worker_thread+0x587/0xd30
[ 5766.548004][   T10]      kthread+0x28a/0x350
[ 5766.548004][   T10]      ret_from_fork+0x31/0x70
[ 5766.548004][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5766.548004][   T10] 
[ 5766.549972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.549972][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.549972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.549972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.549972][   T10]      ip6_route_add+0x1c/0x140
[ 5766.549972][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5766.549972][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5766.549972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.549972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.549972][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.549972][   T10]      netlink_unicast+0x449/0x710
[ 5766.549972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.549972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.549972][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.549972][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.549972][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.549972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.549972][   T10] 
[ 5766.552026][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.552026][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.552026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.552026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.552026][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5766.552026][   T10]      ipv6_add_addr+0x411/0x2000
[ 5766.552026][   T10]      inet6_addr_add+0x30e/0xa40
[ 5766.552026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.552026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.552026][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.552026][   T10]      netlink_unicast+0x449/0x710
[ 5766.552026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.552026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.552026][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.552026][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.552026][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.552026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.552026][   T10] 
[ 5766.554068][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.554068][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.554068][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.554068][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.554068][   T10]      ip6_route_add+0x1c/0x140
[ 5766.554068][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5766.554068][   T10]      addrconf_add_dev+0xe2/0x170
[ 5766.554068][   T10]      inet6_addr_add+0x12f/0xa40
[ 5766.554068][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.554068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.554068][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.554068][   T10]      netlink_unicast+0x449/0x710
[ 5766.554068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.554068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.554068][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.554068][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.554068][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.554068][   T10] 
[ 5766.556202][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.556202][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5766.556202][   T10]      ipv6_find_idev+0x102/0x170
[ 5766.556202][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5766.556202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.556202][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.556202][   T10]      netlink_unicast+0x449/0x710
[ 5766.556202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.556202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.556202][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.556202][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.556202][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.556202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.556202][   T10] 
[ 5766.558010][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5766.558010][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5766.558010][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5766.558010][   T10]      ipv6_find_idev+0x102/0x170
[ 5766.558010][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5766.558010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.558010][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.558010][   T10]      netlink_unicast+0x449/0x710
[ 5766.558010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.558010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.558010][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.558010][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.558010][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.558010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.558010][   T10] 
[ 5766.559896][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5766.560199][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5766.560199][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.560199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.560199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.560199][   T10]      ip6_route_add+0x1c/0x140
[ 5766.560199][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5766.560199][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5766.560199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.560199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.560199][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.560199][   T10]      netlink_unicast+0x449/0x710
[ 5766.560199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.560199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.560199][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.560199][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.560199][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.560199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.560199][   T10] 
[ 5766.562444][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5766.562444][   T10]      netdev_get_by_index+0x5e/0x80
[ 5766.562444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5766.562444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5766.562444][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5766.562444][   T10]      ipv6_add_addr+0x411/0x2000
[ 5766.562444][   T10]      inet6_addr_add+0x30e/0xa40
[ 5766.562444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5766.562444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.562444][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.562444][   T10]      netlink_unicast+0x449/0x710
[ 5766.562444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.562444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.562444][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.562444][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.562444][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.562444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.562444][   T10] 
[ 5766.564662][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5766.564662][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5766.564662][   T10]      ipv6_find_idev+0x102/0x170
[ 5766.564662][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5766.564662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.564662][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.564662][   T10]      netlink_unicast+0x449/0x710
[ 5766.564662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.564662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.564662][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.564662][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.564662][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.564662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.564662][   T10] 
[ 5766.566401][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5766.566401][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5766.566401][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5766.566401][   T10]      ipv6_find_idev+0x102/0x170
[ 5766.566401][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5766.566401][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5766.566401][   T10]      netlink_rcv_skb+0x130/0x360
[ 5766.566401][   T10]      netlink_unicast+0x449/0x710
[ 5766.566401][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5766.566401][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5766.566401][   T10]      ___sys_sendmsg+0xee/0x170
[ 5766.566401][   T10]      __sys_sendmsg+0xcd/0x170
[ 5766.566401][   T10]      do_syscall_64+0xc6/0x1e0
[ 5766.566401][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5766.566401][   T10] 
[ 5776.592751][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5776.593224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.593224][   T10]      dst_init+0x84/0x4a0
[ 5776.593224][   T10]      dst_alloc+0x97/0x150
[ 5776.593224][   T10]      ip6_dst_alloc+0x23/0x90
[ 5776.593224][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5776.593224][   T10]      ip6_pol_route+0x56f/0x840
[ 5776.593224][   T10]      fib6_rule_lookup+0x456/0x630
[ 5776.593224][   T10]      ip6_route_input+0x59c/0xa50
[ 5776.593224][   T10]      ipv6_rcv+0x397/0x810
[ 5776.593224][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5776.593224][   T10]      process_backlog+0x101/0x620
[ 5776.593224][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5776.593224][   T10]      net_rx_action+0x495/0xbe0
[ 5776.593224][   T10]      __do_softirq+0x1b5/0x7f6
[ 5776.593224][   T10] 
[ 5776.594929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.594929][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5776.594929][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5776.594929][   T10]      fib6_nh_init+0xa22/0x1580
[ 5776.594929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.594929][   T10]      ip6_route_add+0x1c/0x140
[ 5776.594929][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5776.594929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.594929][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.594929][   T10]      netlink_unicast+0x449/0x710
[ 5776.594929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.594929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.594929][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.594929][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.594929][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.594929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.594929][   T10] 
[ 5776.596845][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.596845][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.596845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.596845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.596845][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5776.596845][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5776.596845][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5776.596845][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5776.596845][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5776.596845][   T10]      addrconf_dad_begin+0x310/0x670
[ 5776.596845][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5776.596845][   T10]      process_one_work+0x84d/0x18a0
[ 5776.596845][   T10]      worker_thread+0x587/0xd30
[ 5776.596845][   T10]      kthread+0x28a/0x350
[ 5776.596845][   T10]      ret_from_fork+0x31/0x70
[ 5776.596845][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5776.596845][   T10] 
[ 5776.598784][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.598784][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.598784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.598784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.598784][   T10]      ip6_route_add+0x1c/0x140
[ 5776.598784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5776.598784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5776.598784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.598784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.598784][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.598784][   T10]      netlink_unicast+0x449/0x710
[ 5776.598784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.598784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.598784][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.598784][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.598784][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.598784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.598784][   T10] 
[ 5776.600833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.600833][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.600833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.600833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.600833][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5776.600833][   T10]      ipv6_add_addr+0x411/0x2000
[ 5776.600833][   T10]      inet6_addr_add+0x30e/0xa40
[ 5776.600833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.600833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.600833][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.600833][   T10]      netlink_unicast+0x449/0x710
[ 5776.600833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.600833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.600833][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.600833][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.600833][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.600833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.600833][   T10] 
[ 5776.602861][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.602861][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.602861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.602861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.602861][   T10]      ip6_route_add+0x1c/0x140
[ 5776.602861][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5776.602861][   T10]      addrconf_add_dev+0xe2/0x170
[ 5776.602861][   T10]      inet6_addr_add+0x12f/0xa40
[ 5776.602861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.602861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.602861][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.602861][   T10]      netlink_unicast+0x449/0x710
[ 5776.602861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.602861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.602861][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.602861][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.602861][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.602861][   T10] 
[ 5776.604848][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.604848][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5776.604848][   T10]      ipv6_find_idev+0x102/0x170
[ 5776.604848][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5776.604848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.604848][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.604848][   T10]      netlink_unicast+0x449/0x710
[ 5776.604848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.604848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.604848][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.604848][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.604848][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.604848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.604848][   T10] 
[ 5776.606409][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5776.606409][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5776.606409][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5776.606409][   T10]      ipv6_find_idev+0x102/0x170
[ 5776.606409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5776.606409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.606409][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.606409][   T10]      netlink_unicast+0x449/0x710
[ 5776.606409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.606409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.606409][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.606409][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.606409][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.606409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.606409][   T10] 
[ 5776.608122][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5776.608370][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.608370][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5776.608370][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5776.608370][   T10]      fib6_nh_init+0xa22/0x1580
[ 5776.608370][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.608370][   T10]      ip6_route_add+0x1c/0x140
[ 5776.608370][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5776.608370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.608370][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.608370][   T10]      netlink_unicast+0x449/0x710
[ 5776.608370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.608370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.608370][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.608370][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.608370][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.608370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.608370][   T10] 
[ 5776.610290][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.610290][   T10]      dst_init+0x84/0x4a0
[ 5776.610290][   T10]      dst_alloc+0x97/0x150
[ 5776.610290][   T10]      ip6_dst_alloc+0x23/0x90
[ 5776.610290][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5776.610290][   T10]      ip6_pol_route+0x56f/0x840
[ 5776.610290][   T10]      fib6_rule_lookup+0x456/0x630
[ 5776.610290][   T10]      ip6_route_input+0x59c/0xa50
[ 5776.610290][   T10]      ipv6_rcv+0x397/0x810
[ 5776.610290][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5776.610290][   T10]      process_backlog+0x101/0x620
[ 5776.610290][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5776.610290][   T10]      net_rx_action+0x495/0xbe0
[ 5776.610290][   T10]      __do_softirq+0x1b5/0x7f6
[ 5776.610290][   T10] 
[ 5776.611941][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.611941][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.611941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.611941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.611941][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5776.611941][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5776.611941][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5776.611941][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5776.611941][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5776.611941][   T10]      addrconf_dad_begin+0x310/0x670
[ 5776.611941][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5776.611941][   T10]      process_one_work+0x84d/0x18a0
[ 5776.611941][   T10]      worker_thread+0x587/0xd30
[ 5776.611941][   T10]      kthread+0x28a/0x350
[ 5776.611941][   T10]      ret_from_fork+0x31/0x70
[ 5776.611941][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5776.611941][   T10] 
[ 5776.614418][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.614418][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.614418][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.614418][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.614418][   T10]      ip6_route_add+0x1c/0x140
[ 5776.614418][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5776.614418][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5776.614418][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.614418][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.614418][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.614418][   T10]      netlink_unicast+0x449/0x710
[ 5776.614418][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.614418][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.614418][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.614418][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.614418][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.614418][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.614418][   T10] 
[ 5776.616448][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.616448][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.616448][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.616448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.616448][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5776.616448][   T10]      ipv6_add_addr+0x411/0x2000
[ 5776.616448][   T10]      inet6_addr_add+0x30e/0xa40
[ 5776.616448][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.616448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.616448][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.616448][   T10]      netlink_unicast+0x449/0x710
[ 5776.616448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.616448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.616448][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.616448][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.616448][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.616448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.616448][   T10] 
[ 5776.618464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.618464][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.618464][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.618464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.618464][   T10]      ip6_route_add+0x1c/0x140
[ 5776.618464][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5776.618464][   T10]      addrconf_add_dev+0xe2/0x170
[ 5776.618464][   T10]      inet6_addr_add+0x12f/0xa40
[ 5776.618464][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.618464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.618464][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.618464][   T10]      netlink_unicast+0x449/0x710
[ 5776.618464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.618464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.618464][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.618464][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.618464][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.618464][   T10] 
[ 5776.620548][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.620548][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5776.620548][   T10]      ipv6_find_idev+0x102/0x170
[ 5776.620548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5776.620548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.620548][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.620548][   T10]      netlink_unicast+0x449/0x710
[ 5776.620548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.620548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.620548][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.620548][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.620548][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.620548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.620548][   T10] 
[ 5776.622289][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5776.622289][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5776.622289][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5776.622289][   T10]      ipv6_find_idev+0x102/0x170
[ 5776.622289][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5776.622289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.622289][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.622289][   T10]      netlink_unicast+0x449/0x710
[ 5776.622289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.622289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.622289][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.622289][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.622289][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.622289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.622289][   T10] 
[ 5776.624240][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5776.624540][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5776.624540][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.624540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.624540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.624540][   T10]      ip6_route_add+0x1c/0x140
[ 5776.624540][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5776.624540][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5776.624540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.624540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.624540][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.624540][   T10]      netlink_unicast+0x449/0x710
[ 5776.624540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.624540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.624540][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.624540][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.624540][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.624540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.624540][   T10] 
[ 5776.626819][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5776.626819][   T10]      netdev_get_by_index+0x5e/0x80
[ 5776.626819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5776.626819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5776.626819][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5776.626819][   T10]      ipv6_add_addr+0x411/0x2000
[ 5776.626819][   T10]      inet6_addr_add+0x30e/0xa40
[ 5776.626819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5776.626819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.626819][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.626819][   T10]      netlink_unicast+0x449/0x710
[ 5776.626819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.626819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.626819][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.626819][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.626819][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.626819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.626819][   T10] 
[ 5776.629020][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5776.629020][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5776.629020][   T10]      ipv6_find_idev+0x102/0x170
[ 5776.629020][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5776.629020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.629020][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.629020][   T10]      netlink_unicast+0x449/0x710
[ 5776.629020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.629020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.629020][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.629020][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.629020][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.629020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.629020][   T10] 
[ 5776.630771][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5776.630771][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5776.630771][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5776.630771][   T10]      ipv6_find_idev+0x102/0x170
[ 5776.630771][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5776.630771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5776.630771][   T10]      netlink_rcv_skb+0x130/0x360
[ 5776.630771][   T10]      netlink_unicast+0x449/0x710
[ 5776.630771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5776.630771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5776.630771][   T10]      ___sys_sendmsg+0xee/0x170
[ 5776.630771][   T10]      __sys_sendmsg+0xcd/0x170
[ 5776.630771][   T10]      do_syscall_64+0xc6/0x1e0
[ 5776.630771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5776.630771][   T10] 
[ 5786.872724][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5786.873201][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.873201][   T10]      dst_init+0x84/0x4a0
[ 5786.873201][   T10]      dst_alloc+0x97/0x150
[ 5786.873201][   T10]      ip6_dst_alloc+0x23/0x90
[ 5786.873201][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5786.873201][   T10]      ip6_pol_route+0x56f/0x840
[ 5786.873201][   T10]      fib6_rule_lookup+0x456/0x630
[ 5786.873201][   T10]      ip6_route_input+0x59c/0xa50
[ 5786.873201][   T10]      ipv6_rcv+0x397/0x810
[ 5786.873201][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5786.873201][   T10]      process_backlog+0x101/0x620
[ 5786.873201][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5786.873201][   T10]      net_rx_action+0x495/0xbe0
[ 5786.873201][   T10]      __do_softirq+0x1b5/0x7f6
[ 5786.873201][   T10] 
[ 5786.874914][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.874914][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5786.874914][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5786.874914][   T10]      fib6_nh_init+0xa22/0x1580
[ 5786.874914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.874914][   T10]      ip6_route_add+0x1c/0x140
[ 5786.874914][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5786.874914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.874914][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.874914][   T10]      netlink_unicast+0x449/0x710
[ 5786.874914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.874914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.874914][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.874914][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.874914][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.874914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.874914][   T10] 
[ 5786.876831][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.876831][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.876831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.876831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.876831][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5786.876831][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5786.876831][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5786.876831][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5786.876831][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5786.876831][   T10]      addrconf_dad_begin+0x310/0x670
[ 5786.876831][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5786.876831][   T10]      process_one_work+0x84d/0x18a0
[ 5786.876831][   T10]      worker_thread+0x587/0xd30
[ 5786.876831][   T10]      kthread+0x28a/0x350
[ 5786.876831][   T10]      ret_from_fork+0x31/0x70
[ 5786.876831][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5786.876831][   T10] 
[ 5786.878769][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.878769][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.878769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.878769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.878769][   T10]      ip6_route_add+0x1c/0x140
[ 5786.878769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5786.878769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5786.878769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.878769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.878769][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.878769][   T10]      netlink_unicast+0x449/0x710
[ 5786.878769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.878769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.878769][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.878769][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.878769][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.878769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.878769][   T10] 
[ 5786.880805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.880805][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.880805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.880805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.880805][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5786.880805][   T10]      ipv6_add_addr+0x411/0x2000
[ 5786.880805][   T10]      inet6_addr_add+0x30e/0xa40
[ 5786.880805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.880805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.880805][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.880805][   T10]      netlink_unicast+0x449/0x710
[ 5786.880805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.880805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.880805][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.880805][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.880805][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.880805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.880805][   T10] 
[ 5786.882831][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.882831][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.882831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.882831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.882831][   T10]      ip6_route_add+0x1c/0x140
[ 5786.882831][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5786.882831][   T10]      addrconf_add_dev+0xe2/0x170
[ 5786.882831][   T10]      inet6_addr_add+0x12f/0xa40
[ 5786.882831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.882831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.882831][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.882831][   T10]      netlink_unicast+0x449/0x710
[ 5786.882831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.882831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.882831][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.882831][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.882831][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.882831][   T10] 
[ 5786.884823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.884823][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5786.884823][   T10]      ipv6_find_idev+0x102/0x170
[ 5786.884823][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5786.884823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.884823][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.884823][   T10]      netlink_unicast+0x449/0x710
[ 5786.884823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.884823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.884823][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.884823][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.884823][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.884823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.884823][   T10] 
[ 5786.886380][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5786.886380][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5786.886380][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5786.886380][   T10]      ipv6_find_idev+0x102/0x170
[ 5786.886380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5786.886380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.886380][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.886380][   T10]      netlink_unicast+0x449/0x710
[ 5786.886380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.886380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.886380][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.886380][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.886380][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.886380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.886380][   T10] 
[ 5786.888114][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5786.888362][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.888362][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5786.888362][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5786.888362][   T10]      fib6_nh_init+0xa22/0x1580
[ 5786.888362][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.888362][   T10]      ip6_route_add+0x1c/0x140
[ 5786.888362][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5786.888362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.888362][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.888362][   T10]      netlink_unicast+0x449/0x710
[ 5786.888362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.888362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.888362][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.888362][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.888362][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.888362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.888362][   T10] 
[ 5786.890267][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.890267][   T10]      dst_init+0x84/0x4a0
[ 5786.890267][   T10]      dst_alloc+0x97/0x150
[ 5786.890267][   T10]      ip6_dst_alloc+0x23/0x90
[ 5786.890267][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5786.890267][   T10]      ip6_pol_route+0x56f/0x840
[ 5786.890267][   T10]      fib6_rule_lookup+0x456/0x630
[ 5786.890267][   T10]      ip6_route_input+0x59c/0xa50
[ 5786.890267][   T10]      ipv6_rcv+0x397/0x810
[ 5786.890267][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5786.890267][   T10]      process_backlog+0x101/0x620
[ 5786.890267][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5786.890267][   T10]      net_rx_action+0x495/0xbe0
[ 5786.890267][   T10]      __do_softirq+0x1b5/0x7f6
[ 5786.890267][   T10] 
[ 5786.891928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.891928][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.891928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.891928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.891928][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5786.891928][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5786.891928][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5786.891928][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5786.891928][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5786.891928][   T10]      addrconf_dad_begin+0x310/0x670
[ 5786.891928][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5786.891928][   T10]      process_one_work+0x84d/0x18a0
[ 5786.891928][   T10]      worker_thread+0x587/0xd30
[ 5786.891928][   T10]      kthread+0x28a/0x350
[ 5786.891928][   T10]      ret_from_fork+0x31/0x70
[ 5786.891928][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5786.891928][   T10] 
[ 5786.893885][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.893885][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.893885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.893885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.893885][   T10]      ip6_route_add+0x1c/0x140
[ 5786.893885][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5786.893885][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5786.893885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.893885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.893885][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.893885][   T10]      netlink_unicast+0x449/0x710
[ 5786.893885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.893885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.893885][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.893885][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.893885][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.893885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.893885][   T10] 
[ 5786.895912][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.895912][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.895912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.895912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.895912][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5786.895912][   T10]      ipv6_add_addr+0x411/0x2000
[ 5786.895912][   T10]      inet6_addr_add+0x30e/0xa40
[ 5786.895912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.895912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.895912][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.895912][   T10]      netlink_unicast+0x449/0x710
[ 5786.895912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.895912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.895912][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.895912][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.895912][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.895912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.895912][   T10] 
[ 5786.897935][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.897935][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.897935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.897935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.897935][   T10]      ip6_route_add+0x1c/0x140
[ 5786.897935][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5786.897935][   T10]      addrconf_add_dev+0xe2/0x170
[ 5786.897935][   T10]      inet6_addr_add+0x12f/0xa40
[ 5786.897935][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.897935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.897935][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.897935][   T10]      netlink_unicast+0x449/0x710
[ 5786.897935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.897935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.897935][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.897935][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.897935][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.897935][   T10] 
[ 5786.900115][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.900115][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5786.900115][   T10]      ipv6_find_idev+0x102/0x170
[ 5786.900115][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5786.900115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.900115][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.900115][   T10]      netlink_unicast+0x449/0x710
[ 5786.900115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.900115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.900115][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.900115][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.900115][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.900115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.900115][   T10] 
[ 5786.901920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5786.901920][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5786.901920][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5786.901920][   T10]      ipv6_find_idev+0x102/0x170
[ 5786.901920][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5786.901920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.901920][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.901920][   T10]      netlink_unicast+0x449/0x710
[ 5786.901920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.901920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.901920][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.901920][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.901920][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.901920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.901920][   T10] 
[ 5786.903807][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5786.904062][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5786.904062][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.904062][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.904062][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.904062][   T10]      ip6_route_add+0x1c/0x140
[ 5786.904062][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5786.904062][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5786.904062][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.904062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.904062][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.904062][   T10]      netlink_unicast+0x449/0x710
[ 5786.904062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.904062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.904062][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.904062][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.904062][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.904062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.904062][   T10] 
[ 5786.906337][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5786.906337][   T10]      netdev_get_by_index+0x5e/0x80
[ 5786.906337][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5786.906337][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5786.906337][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5786.906337][   T10]      ipv6_add_addr+0x411/0x2000
[ 5786.906337][   T10]      inet6_addr_add+0x30e/0xa40
[ 5786.906337][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5786.906337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.906337][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.906337][   T10]      netlink_unicast+0x449/0x710
[ 5786.906337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.906337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.906337][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.906337][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.906337][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.906337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.906337][   T10] 
[ 5786.908607][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5786.908607][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5786.908607][   T10]      ipv6_find_idev+0x102/0x170
[ 5786.908607][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5786.908607][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.908607][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.908607][   T10]      netlink_unicast+0x449/0x710
[ 5786.908607][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.908607][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.908607][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.908607][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.908607][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.908607][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.908607][   T10] 
[ 5786.910427][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5786.910427][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5786.910427][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5786.910427][   T10]      ipv6_find_idev+0x102/0x170
[ 5786.910427][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5786.910427][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5786.910427][   T10]      netlink_rcv_skb+0x130/0x360
[ 5786.910427][   T10]      netlink_unicast+0x449/0x710
[ 5786.910427][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5786.910427][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5786.910427][   T10]      ___sys_sendmsg+0xee/0x170
[ 5786.910427][   T10]      __sys_sendmsg+0xcd/0x170
[ 5786.910427][   T10]      do_syscall_64+0xc6/0x1e0
[ 5786.910427][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5786.910427][   T10] 
[ 5797.152765][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5797.153369][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.153369][   T10]      dst_init+0x84/0x4a0
[ 5797.153369][   T10]      dst_alloc+0x97/0x150
[ 5797.153369][   T10]      ip6_dst_alloc+0x23/0x90
[ 5797.153369][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5797.153369][   T10]      ip6_pol_route+0x56f/0x840
[ 5797.153369][   T10]      fib6_rule_lookup+0x456/0x630
[ 5797.153369][   T10]      ip6_route_input+0x59c/0xa50
[ 5797.153369][   T10]      ipv6_rcv+0x397/0x810
[ 5797.153369][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5797.153369][   T10]      process_backlog+0x101/0x620
[ 5797.153369][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5797.153369][   T10]      net_rx_action+0x495/0xbe0
[ 5797.153369][   T10]      __do_softirq+0x1b5/0x7f6
[ 5797.153369][   T10] 
[ 5797.155032][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.155032][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5797.155032][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5797.155032][   T10]      fib6_nh_init+0xa22/0x1580
[ 5797.155032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.155032][   T10]      ip6_route_add+0x1c/0x140
[ 5797.155032][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5797.155032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.155032][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.155032][   T10]      netlink_unicast+0x449/0x710
[ 5797.155032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.155032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.155032][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.155032][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.155032][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.155032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.155032][   T10] 
[ 5797.156891][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.156891][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.156891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.156891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.156891][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5797.156891][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5797.156891][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5797.156891][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5797.156891][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5797.156891][   T10]      addrconf_dad_begin+0x310/0x670
[ 5797.156891][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5797.156891][   T10]      process_one_work+0x84d/0x18a0
[ 5797.156891][   T10]      worker_thread+0x587/0xd30
[ 5797.156891][   T10]      kthread+0x28a/0x350
[ 5797.156891][   T10]      ret_from_fork+0x31/0x70
[ 5797.156891][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5797.156891][   T10] 
[ 5797.158715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.158715][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.158715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.158715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.158715][   T10]      ip6_route_add+0x1c/0x140
[ 5797.158715][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5797.158715][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5797.158715][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.158715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.158715][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.158715][   T10]      netlink_unicast+0x449/0x710
[ 5797.158715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.158715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.158715][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.158715][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.158715][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.158715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.158715][   T10] 
[ 5797.160704][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.160704][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.160704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.160704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.160704][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5797.160704][   T10]      ipv6_add_addr+0x411/0x2000
[ 5797.160704][   T10]      inet6_addr_add+0x30e/0xa40
[ 5797.160704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.160704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.160704][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.160704][   T10]      netlink_unicast+0x449/0x710
[ 5797.160704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.160704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.160704][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.160704][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.160704][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.160704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.160704][   T10] 
[ 5797.162586][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.162586][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.162586][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.162586][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.162586][   T10]      ip6_route_add+0x1c/0x140
[ 5797.162586][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5797.162586][   T10]      addrconf_add_dev+0xe2/0x170
[ 5797.162586][   T10]      inet6_addr_add+0x12f/0xa40
[ 5797.162586][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.162586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.162586][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.162586][   T10]      netlink_unicast+0x449/0x710
[ 5797.162586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.162586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.162586][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.162586][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.162586][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.162586][   T10] 
[ 5797.164553][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.164553][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5797.164553][   T10]      ipv6_find_idev+0x102/0x170
[ 5797.164553][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5797.164553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.164553][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.164553][   T10]      netlink_unicast+0x449/0x710
[ 5797.164553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.164553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.164553][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.164553][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.164553][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.164553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.164553][   T10] 
[ 5797.166073][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5797.166073][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5797.166073][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5797.166073][   T10]      ipv6_find_idev+0x102/0x170
[ 5797.166073][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5797.166073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.166073][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.166073][   T10]      netlink_unicast+0x449/0x710
[ 5797.166073][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.166073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.166073][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.166073][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.166073][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.166073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.166073][   T10] 
[ 5797.167774][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5797.168036][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.168036][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5797.168036][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5797.168036][   T10]      fib6_nh_init+0xa22/0x1580
[ 5797.168036][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.168036][   T10]      ip6_route_add+0x1c/0x140
[ 5797.168036][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5797.168036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.168036][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.168036][   T10]      netlink_unicast+0x449/0x710
[ 5797.168036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.168036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.168036][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.168036][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.168036][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.168036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.168036][   T10] 
[ 5797.169973][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.169973][   T10]      dst_init+0x84/0x4a0
[ 5797.169973][   T10]      dst_alloc+0x97/0x150
[ 5797.169973][   T10]      ip6_dst_alloc+0x23/0x90
[ 5797.169973][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5797.169973][   T10]      ip6_pol_route+0x56f/0x840
[ 5797.169973][   T10]      fib6_rule_lookup+0x456/0x630
[ 5797.169973][   T10]      ip6_route_input+0x59c/0xa50
[ 5797.169973][   T10]      ipv6_rcv+0x397/0x810
[ 5797.169973][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5797.169973][   T10]      process_backlog+0x101/0x620
[ 5797.169973][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5797.169973][   T10]      net_rx_action+0x495/0xbe0
[ 5797.169973][   T10]      __do_softirq+0x1b5/0x7f6
[ 5797.169973][   T10] 
[ 5797.171638][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.171638][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.171638][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.171638][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.171638][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5797.171638][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5797.171638][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5797.171638][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5797.171638][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5797.171638][   T10]      addrconf_dad_begin+0x310/0x670
[ 5797.171638][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5797.171638][   T10]      process_one_work+0x84d/0x18a0
[ 5797.171638][   T10]      worker_thread+0x587/0xd30
[ 5797.171638][   T10]      kthread+0x28a/0x350
[ 5797.171638][   T10]      ret_from_fork+0x31/0x70
[ 5797.171638][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5797.171638][   T10] 
[ 5797.173597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.173597][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.173597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.173597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.173597][   T10]      ip6_route_add+0x1c/0x140
[ 5797.173597][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5797.173597][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5797.173597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.173597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.173597][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.173597][   T10]      netlink_unicast+0x449/0x710
[ 5797.173597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.173597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.173597][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.173597][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.173597][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.173597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.173597][   T10] 
[ 5797.175564][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.175564][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.175564][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.175564][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.175564][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5797.175564][   T10]      ipv6_add_addr+0x411/0x2000
[ 5797.175564][   T10]      inet6_addr_add+0x30e/0xa40
[ 5797.175564][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.175564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.175564][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.175564][   T10]      netlink_unicast+0x449/0x710
[ 5797.175564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.175564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.175564][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.175564][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.175564][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.175564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.175564][   T10] 
[ 5797.177592][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.177592][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.177592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.177592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.177592][   T10]      ip6_route_add+0x1c/0x140
[ 5797.177592][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5797.177592][   T10]      addrconf_add_dev+0xe2/0x170
[ 5797.177592][   T10]      inet6_addr_add+0x12f/0xa40
[ 5797.177592][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.177592][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.177592][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.177592][   T10]      netlink_unicast+0x449/0x710
[ 5797.177592][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.177592][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.177592][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.177592][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.177592][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.177592][   T10] 
[ 5797.179767][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.179767][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5797.179767][   T10]      ipv6_find_idev+0x102/0x170
[ 5797.179767][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5797.179767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.179767][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.179767][   T10]      netlink_unicast+0x449/0x710
[ 5797.179767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.179767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.179767][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.179767][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.179767][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.179767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.179767][   T10] 
[ 5797.181477][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5797.181477][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5797.181477][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5797.181477][   T10]      ipv6_find_idev+0x102/0x170
[ 5797.181477][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5797.181477][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.181477][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.181477][   T10]      netlink_unicast+0x449/0x710
[ 5797.181477][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.181477][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.181477][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.181477][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.181477][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.181477][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.181477][   T10] 
[ 5797.183446][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5797.183730][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5797.183730][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.183730][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.183730][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.183730][   T10]      ip6_route_add+0x1c/0x140
[ 5797.183730][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5797.183730][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5797.183730][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.183730][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.183730][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.183730][   T10]      netlink_unicast+0x449/0x710
[ 5797.183730][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.183730][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.183730][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.183730][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.183730][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.183730][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.183730][   T10] 
[ 5797.185990][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5797.185990][   T10]      netdev_get_by_index+0x5e/0x80
[ 5797.185990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5797.185990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5797.185990][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5797.185990][   T10]      ipv6_add_addr+0x411/0x2000
[ 5797.185990][   T10]      inet6_addr_add+0x30e/0xa40
[ 5797.185990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5797.185990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.185990][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.185990][   T10]      netlink_unicast+0x449/0x710
[ 5797.185990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.185990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.185990][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.185990][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.185990][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.185990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.185990][   T10] 
[ 5797.188190][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5797.188190][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5797.188190][   T10]      ipv6_find_idev+0x102/0x170
[ 5797.188190][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5797.188190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.188190][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.188190][   T10]      netlink_unicast+0x449/0x710
[ 5797.188190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.188190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.188190][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.188190][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.188190][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.188190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.188190][   T10] 
[ 5797.189945][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5797.189945][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5797.189945][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5797.189945][   T10]      ipv6_find_idev+0x102/0x170
[ 5797.189945][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5797.189945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5797.189945][   T10]      netlink_rcv_skb+0x130/0x360
[ 5797.189945][   T10]      netlink_unicast+0x449/0x710
[ 5797.189945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5797.189945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5797.189945][   T10]      ___sys_sendmsg+0xee/0x170
[ 5797.189945][   T10]      __sys_sendmsg+0xcd/0x170
[ 5797.189945][   T10]      do_syscall_64+0xc6/0x1e0
[ 5797.189945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5797.189945][   T10] 
[ 5807.432711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5807.433154][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.433154][   T10]      dst_init+0x84/0x4a0
[ 5807.433154][   T10]      dst_alloc+0x97/0x150
[ 5807.433154][   T10]      ip6_dst_alloc+0x23/0x90
[ 5807.433154][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5807.433154][   T10]      ip6_pol_route+0x56f/0x840
[ 5807.433154][   T10]      fib6_rule_lookup+0x456/0x630
[ 5807.433154][   T10]      ip6_route_input+0x59c/0xa50
[ 5807.433154][   T10]      ipv6_rcv+0x397/0x810
[ 5807.433154][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5807.433154][   T10]      process_backlog+0x101/0x620
[ 5807.433154][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5807.433154][   T10]      net_rx_action+0x495/0xbe0
[ 5807.433154][   T10]      __do_softirq+0x1b5/0x7f6
[ 5807.433154][   T10] 
[ 5807.434848][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.434848][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5807.434848][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5807.434848][   T10]      fib6_nh_init+0xa22/0x1580
[ 5807.434848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.434848][   T10]      ip6_route_add+0x1c/0x140
[ 5807.434848][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5807.434848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.434848][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.434848][   T10]      netlink_unicast+0x449/0x710
[ 5807.434848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.434848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.434848][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.434848][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.434848][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.434848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.434848][   T10] 
[ 5807.436711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.436711][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.436711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.436711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.436711][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5807.436711][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5807.436711][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5807.436711][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5807.436711][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5807.436711][   T10]      addrconf_dad_begin+0x310/0x670
[ 5807.436711][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5807.436711][   T10]      process_one_work+0x84d/0x18a0
[ 5807.436711][   T10]      worker_thread+0x587/0xd30
[ 5807.436711][   T10]      kthread+0x28a/0x350
[ 5807.436711][   T10]      ret_from_fork+0x31/0x70
[ 5807.436711][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5807.436711][   T10] 
[ 5807.438614][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.438614][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.438614][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.438614][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.438614][   T10]      ip6_route_add+0x1c/0x140
[ 5807.438614][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5807.438614][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5807.438614][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.438614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.438614][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.438614][   T10]      netlink_unicast+0x449/0x710
[ 5807.438614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.438614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.438614][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.438614][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.438614][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.438614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.438614][   T10] 
[ 5807.440647][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.440647][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.440647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.440647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.440647][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5807.440647][   T10]      ipv6_add_addr+0x411/0x2000
[ 5807.440647][   T10]      inet6_addr_add+0x30e/0xa40
[ 5807.440647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.440647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.440647][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.440647][   T10]      netlink_unicast+0x449/0x710
[ 5807.440647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.440647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.440647][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.440647][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.440647][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.440647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.440647][   T10] 
[ 5807.442644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.442644][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.442644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.442644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.442644][   T10]      ip6_route_add+0x1c/0x140
[ 5807.442644][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5807.442644][   T10]      addrconf_add_dev+0xe2/0x170
[ 5807.442644][   T10]      inet6_addr_add+0x12f/0xa40
[ 5807.442644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.442644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.442644][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.442644][   T10]      netlink_unicast+0x449/0x710
[ 5807.442644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.442644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.442644][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.442644][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.442644][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.442644][   T10] 
[ 5807.444631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.444631][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5807.444631][   T10]      ipv6_find_idev+0x102/0x170
[ 5807.444631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5807.444631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.444631][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.444631][   T10]      netlink_unicast+0x449/0x710
[ 5807.444631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.444631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.444631][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.444631][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.444631][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.444631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.444631][   T10] 
[ 5807.446145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5807.446145][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5807.446145][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5807.446145][   T10]      ipv6_find_idev+0x102/0x170
[ 5807.446145][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5807.446145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.446145][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.446145][   T10]      netlink_unicast+0x449/0x710
[ 5807.446145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.446145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.446145][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.446145][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.446145][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.446145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.446145][   T10] 
[ 5807.447831][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5807.448091][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.448091][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5807.448091][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5807.448091][   T10]      fib6_nh_init+0xa22/0x1580
[ 5807.448091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.448091][   T10]      ip6_route_add+0x1c/0x140
[ 5807.448091][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5807.448091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.448091][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.448091][   T10]      netlink_unicast+0x449/0x710
[ 5807.448091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.448091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.448091][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.448091][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.448091][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.448091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.448091][   T10] 
[ 5807.450004][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.450004][   T10]      dst_init+0x84/0x4a0
[ 5807.450004][   T10]      dst_alloc+0x97/0x150
[ 5807.450004][   T10]      ip6_dst_alloc+0x23/0x90
[ 5807.450004][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5807.450004][   T10]      ip6_pol_route+0x56f/0x840
[ 5807.450004][   T10]      fib6_rule_lookup+0x456/0x630
[ 5807.450004][   T10]      ip6_route_input+0x59c/0xa50
[ 5807.450004][   T10]      ipv6_rcv+0x397/0x810
[ 5807.450004][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5807.450004][   T10]      process_backlog+0x101/0x620
[ 5807.450004][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5807.450004][   T10]      net_rx_action+0x495/0xbe0
[ 5807.450004][   T10]      __do_softirq+0x1b5/0x7f6
[ 5807.450004][   T10] 
[ 5807.452196][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.452196][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.452196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.452196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.452196][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5807.452196][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5807.452196][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5807.452196][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5807.452196][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5807.452196][   T10]      addrconf_dad_begin+0x310/0x670
[ 5807.452196][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5807.452196][   T10]      process_one_work+0x84d/0x18a0
[ 5807.452196][   T10]      worker_thread+0x587/0xd30
[ 5807.452196][   T10]      kthread+0x28a/0x350
[ 5807.452196][   T10]      ret_from_fork+0x31/0x70
[ 5807.452196][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5807.452196][   T10] 
[ 5807.454069][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.454069][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.454069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.454069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.454069][   T10]      ip6_route_add+0x1c/0x140
[ 5807.454069][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5807.454069][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5807.454069][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.454069][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.454069][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.454069][   T10]      netlink_unicast+0x449/0x710
[ 5807.454069][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.454069][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.454069][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.454069][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.454069][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.454069][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.454069][   T10] 
[ 5807.456052][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.456052][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.456052][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.456052][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.456052][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5807.456052][   T10]      ipv6_add_addr+0x411/0x2000
[ 5807.456052][   T10]      inet6_addr_add+0x30e/0xa40
[ 5807.456052][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.456052][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.456052][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.456052][   T10]      netlink_unicast+0x449/0x710
[ 5807.456052][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.456052][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.456052][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.456052][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.456052][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.456052][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.456052][   T10] 
[ 5807.458095][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.458095][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.458095][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.458095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.458095][   T10]      ip6_route_add+0x1c/0x140
[ 5807.458095][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5807.458095][   T10]      addrconf_add_dev+0xe2/0x170
[ 5807.458095][   T10]      inet6_addr_add+0x12f/0xa40
[ 5807.458095][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.458095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.458095][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.458095][   T10]      netlink_unicast+0x449/0x710
[ 5807.458095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.458095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.458095][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.458095][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.458095][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.458095][   T10] 
[ 5807.460300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.460300][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5807.460300][   T10]      ipv6_find_idev+0x102/0x170
[ 5807.460300][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5807.460300][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.460300][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.460300][   T10]      netlink_unicast+0x449/0x710
[ 5807.460300][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.460300][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.460300][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.460300][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.460300][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.460300][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.460300][   T10] 
[ 5807.462093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5807.462093][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5807.462093][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5807.462093][   T10]      ipv6_find_idev+0x102/0x170
[ 5807.462093][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5807.462093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.462093][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.462093][   T10]      netlink_unicast+0x449/0x710
[ 5807.462093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.462093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.462093][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.462093][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.462093][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.462093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.462093][   T10] 
[ 5807.464006][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5807.464270][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5807.464270][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.464270][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.464270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.464270][   T10]      ip6_route_add+0x1c/0x140
[ 5807.464270][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5807.464270][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5807.464270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.464270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.464270][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.464270][   T10]      netlink_unicast+0x449/0x710
[ 5807.464270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.464270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.464270][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.464270][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.464270][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.464270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.464270][   T10] 
[ 5807.466514][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5807.466514][   T10]      netdev_get_by_index+0x5e/0x80
[ 5807.466514][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5807.466514][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5807.466514][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5807.466514][   T10]      ipv6_add_addr+0x411/0x2000
[ 5807.466514][   T10]      inet6_addr_add+0x30e/0xa40
[ 5807.466514][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5807.466514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.466514][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.466514][   T10]      netlink_unicast+0x449/0x710
[ 5807.466514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.466514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.466514][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.466514][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.466514][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.466514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.466514][   T10] 
[ 5807.468737][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5807.468737][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5807.468737][   T10]      ipv6_find_idev+0x102/0x170
[ 5807.468737][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5807.468737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.468737][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.468737][   T10]      netlink_unicast+0x449/0x710
[ 5807.468737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.468737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.468737][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.468737][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.468737][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.468737][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.468737][   T10] 
[ 5807.470534][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5807.470534][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5807.470534][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5807.470534][   T10]      ipv6_find_idev+0x102/0x170
[ 5807.470534][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5807.470534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5807.470534][   T10]      netlink_rcv_skb+0x130/0x360
[ 5807.470534][   T10]      netlink_unicast+0x449/0x710
[ 5807.470534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5807.470534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5807.470534][   T10]      ___sys_sendmsg+0xee/0x170
[ 5807.470534][   T10]      __sys_sendmsg+0xcd/0x170
[ 5807.470534][   T10]      do_syscall_64+0xc6/0x1e0
[ 5807.470534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5807.470534][   T10] 
[ 5817.520687][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5817.521152][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.521152][   T10]      dst_init+0x84/0x4a0
[ 5817.521152][   T10]      dst_alloc+0x97/0x150
[ 5817.521152][   T10]      ip6_dst_alloc+0x23/0x90
[ 5817.521152][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5817.521152][   T10]      ip6_pol_route+0x56f/0x840
[ 5817.521152][   T10]      fib6_rule_lookup+0x456/0x630
[ 5817.521152][   T10]      ip6_route_input+0x59c/0xa50
[ 5817.521152][   T10]      ipv6_rcv+0x397/0x810
[ 5817.521152][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5817.521152][   T10]      process_backlog+0x101/0x620
[ 5817.521152][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5817.521152][   T10]      net_rx_action+0x495/0xbe0
[ 5817.521152][   T10]      __do_softirq+0x1b5/0x7f6
[ 5817.521152][   T10] 
[ 5817.522801][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.522801][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5817.522801][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5817.522801][   T10]      fib6_nh_init+0xa22/0x1580
[ 5817.522801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.522801][   T10]      ip6_route_add+0x1c/0x140
[ 5817.522801][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5817.522801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.522801][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.522801][   T10]      netlink_unicast+0x449/0x710
[ 5817.522801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.522801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.522801][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.522801][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.522801][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.522801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.522801][   T10] 
[ 5817.524689][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.524689][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.524689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.524689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.524689][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5817.524689][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5817.524689][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5817.524689][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5817.524689][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5817.524689][   T10]      addrconf_dad_begin+0x310/0x670
[ 5817.524689][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5817.524689][   T10]      process_one_work+0x84d/0x18a0
[ 5817.524689][   T10]      worker_thread+0x587/0xd30
[ 5817.524689][   T10]      kthread+0x28a/0x350
[ 5817.524689][   T10]      ret_from_fork+0x31/0x70
[ 5817.524689][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5817.524689][   T10] 
[ 5817.526588][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.526588][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.526588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.526588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.526588][   T10]      ip6_route_add+0x1c/0x140
[ 5817.526588][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5817.526588][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5817.526588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.526588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.526588][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.526588][   T10]      netlink_unicast+0x449/0x710
[ 5817.526588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.526588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.526588][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.526588][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.526588][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.526588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.526588][   T10] 
[ 5817.528575][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.528575][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.528575][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.528575][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.528575][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5817.528575][   T10]      ipv6_add_addr+0x411/0x2000
[ 5817.528575][   T10]      inet6_addr_add+0x30e/0xa40
[ 5817.528575][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.528575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.528575][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.528575][   T10]      netlink_unicast+0x449/0x710
[ 5817.528575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.528575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.528575][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.528575][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.528575][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.528575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.528575][   T10] 
[ 5817.530587][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.530587][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.530587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.530587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.530587][   T10]      ip6_route_add+0x1c/0x140
[ 5817.530587][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5817.530587][   T10]      addrconf_add_dev+0xe2/0x170
[ 5817.530587][   T10]      inet6_addr_add+0x12f/0xa40
[ 5817.530587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.530587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.530587][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.530587][   T10]      netlink_unicast+0x449/0x710
[ 5817.530587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.530587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.530587][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.530587][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.530587][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.530587][   T10] 
[ 5817.532552][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.532552][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5817.532552][   T10]      ipv6_find_idev+0x102/0x170
[ 5817.532552][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5817.532552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.532552][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.532552][   T10]      netlink_unicast+0x449/0x710
[ 5817.532552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.532552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.532552][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.532552][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.532552][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.532552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.532552][   T10] 
[ 5817.534081][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5817.534081][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5817.534081][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5817.534081][   T10]      ipv6_find_idev+0x102/0x170
[ 5817.534081][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5817.534081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.534081][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.534081][   T10]      netlink_unicast+0x449/0x710
[ 5817.534081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.534081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.534081][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.534081][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.534081][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.534081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.534081][   T10] 
[ 5817.535778][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5817.536013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.536013][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5817.536013][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5817.536013][   T10]      fib6_nh_init+0xa22/0x1580
[ 5817.536013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.536013][   T10]      ip6_route_add+0x1c/0x140
[ 5817.536013][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5817.536013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.536013][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.536013][   T10]      netlink_unicast+0x449/0x710
[ 5817.536013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.536013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.536013][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.536013][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.536013][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.536013][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.536013][   T10] 
[ 5817.537894][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.537894][   T10]      dst_init+0x84/0x4a0
[ 5817.537894][   T10]      dst_alloc+0x97/0x150
[ 5817.537894][   T10]      ip6_dst_alloc+0x23/0x90
[ 5817.537894][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5817.537894][   T10]      ip6_pol_route+0x56f/0x840
[ 5817.537894][   T10]      fib6_rule_lookup+0x456/0x630
[ 5817.537894][   T10]      ip6_route_input+0x59c/0xa50
[ 5817.537894][   T10]      ipv6_rcv+0x397/0x810
[ 5817.537894][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5817.537894][   T10]      process_backlog+0x101/0x620
[ 5817.537894][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5817.537894][   T10]      net_rx_action+0x495/0xbe0
[ 5817.537894][   T10]      __do_softirq+0x1b5/0x7f6
[ 5817.537894][   T10] 
[ 5817.539530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.539530][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.539530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.539530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.539530][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5817.539530][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5817.539530][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5817.539530][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5817.539530][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5817.539530][   T10]      addrconf_dad_begin+0x310/0x670
[ 5817.539530][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5817.539530][   T10]      process_one_work+0x84d/0x18a0
[ 5817.539530][   T10]      worker_thread+0x587/0xd30
[ 5817.539530][   T10]      kthread+0x28a/0x350
[ 5817.539530][   T10]      ret_from_fork+0x31/0x70
[ 5817.539530][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5817.539530][   T10] 
[ 5817.541430][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.541430][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.541430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.541430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.541430][   T10]      ip6_route_add+0x1c/0x140
[ 5817.541430][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5817.541430][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5817.541430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.541430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.541430][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.541430][   T10]      netlink_unicast+0x449/0x710
[ 5817.541430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.541430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.541430][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.541430][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.541430][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.541430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.541430][   T10] 
[ 5817.543419][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.543419][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.543419][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.543419][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.543419][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5817.543419][   T10]      ipv6_add_addr+0x411/0x2000
[ 5817.543419][   T10]      inet6_addr_add+0x30e/0xa40
[ 5817.543419][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.543419][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.543419][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.543419][   T10]      netlink_unicast+0x449/0x710
[ 5817.543419][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.543419][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.543419][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.543419][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.543419][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.543419][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.543419][   T10] 
[ 5817.545403][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.545403][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.545403][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.545403][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.545403][   T10]      ip6_route_add+0x1c/0x140
[ 5817.545403][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5817.545403][   T10]      addrconf_add_dev+0xe2/0x170
[ 5817.545403][   T10]      inet6_addr_add+0x12f/0xa40
[ 5817.545403][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.545403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.545403][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.545403][   T10]      netlink_unicast+0x449/0x710
[ 5817.545403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.545403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.545403][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.545403][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.545403][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.545403][   T10] 
[ 5817.547543][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.547543][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5817.547543][   T10]      ipv6_find_idev+0x102/0x170
[ 5817.547543][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5817.547543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.547543][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.547543][   T10]      netlink_unicast+0x449/0x710
[ 5817.547543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.547543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.547543][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.547543][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.547543][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.547543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.547543][   T10] 
[ 5817.549262][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5817.549262][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5817.549262][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5817.549262][   T10]      ipv6_find_idev+0x102/0x170
[ 5817.549262][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5817.549262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.549262][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.549262][   T10]      netlink_unicast+0x449/0x710
[ 5817.549262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.549262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.549262][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.549262][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.549262][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.549262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.549262][   T10] 
[ 5817.551181][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5817.551417][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5817.551417][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.551417][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.551417][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.551417][   T10]      ip6_route_add+0x1c/0x140
[ 5817.551417][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5817.551417][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5817.551417][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.551417][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.551417][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.551417][   T10]      netlink_unicast+0x449/0x710
[ 5817.551417][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.551417][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.551417][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.551417][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.551417][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.551417][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.551417][   T10] 
[ 5817.553604][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5817.553604][   T10]      netdev_get_by_index+0x5e/0x80
[ 5817.553604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5817.553604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5817.553604][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5817.553604][   T10]      ipv6_add_addr+0x411/0x2000
[ 5817.553604][   T10]      inet6_addr_add+0x30e/0xa40
[ 5817.553604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5817.553604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.553604][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.553604][   T10]      netlink_unicast+0x449/0x710
[ 5817.553604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.553604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.553604][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.553604][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.553604][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.553604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.553604][   T10] 
[ 5817.555835][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5817.555835][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5817.555835][   T10]      ipv6_find_idev+0x102/0x170
[ 5817.555835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5817.555835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.555835][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.555835][   T10]      netlink_unicast+0x449/0x710
[ 5817.555835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.555835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.555835][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.555835][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.555835][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.555835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.555835][   T10] 
[ 5817.557566][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5817.557566][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5817.557566][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5817.557566][   T10]      ipv6_find_idev+0x102/0x170
[ 5817.557566][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5817.557566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5817.557566][   T10]      netlink_rcv_skb+0x130/0x360
[ 5817.557566][   T10]      netlink_unicast+0x449/0x710
[ 5817.557566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5817.557566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5817.557566][   T10]      ___sys_sendmsg+0xee/0x170
[ 5817.557566][   T10]      __sys_sendmsg+0xcd/0x170
[ 5817.557566][   T10]      do_syscall_64+0xc6/0x1e0
[ 5817.557566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5817.557566][   T10] 
[ 5827.800764][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5827.801247][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.801247][   T10]      dst_init+0x84/0x4a0
[ 5827.801247][   T10]      dst_alloc+0x97/0x150
[ 5827.801247][   T10]      ip6_dst_alloc+0x23/0x90
[ 5827.801247][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5827.801247][   T10]      ip6_pol_route+0x56f/0x840
[ 5827.801247][   T10]      fib6_rule_lookup+0x456/0x630
[ 5827.801247][   T10]      ip6_route_input+0x59c/0xa50
[ 5827.801247][   T10]      ipv6_rcv+0x397/0x810
[ 5827.801247][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5827.801247][   T10]      process_backlog+0x101/0x620
[ 5827.801247][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5827.801247][   T10]      net_rx_action+0x495/0xbe0
[ 5827.801247][   T10]      __do_softirq+0x1b5/0x7f6
[ 5827.801247][   T10] 
[ 5827.802918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.802918][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5827.802918][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5827.802918][   T10]      fib6_nh_init+0xa22/0x1580
[ 5827.802918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.802918][   T10]      ip6_route_add+0x1c/0x140
[ 5827.802918][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5827.802918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.802918][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.802918][   T10]      netlink_unicast+0x449/0x710
[ 5827.802918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.802918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.802918][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.802918][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.802918][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.802918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.802918][   T10] 
[ 5827.804805][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.804805][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.804805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.804805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.804805][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5827.804805][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5827.804805][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5827.804805][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5827.804805][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5827.804805][   T10]      addrconf_dad_begin+0x310/0x670
[ 5827.804805][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5827.804805][   T10]      process_one_work+0x84d/0x18a0
[ 5827.804805][   T10]      worker_thread+0x587/0xd30
[ 5827.804805][   T10]      kthread+0x28a/0x350
[ 5827.804805][   T10]      ret_from_fork+0x31/0x70
[ 5827.804805][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5827.804805][   T10] 
[ 5827.806716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.806716][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.806716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.806716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.806716][   T10]      ip6_route_add+0x1c/0x140
[ 5827.806716][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5827.806716][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5827.806716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.806716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.806716][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.806716][   T10]      netlink_unicast+0x449/0x710
[ 5827.806716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.806716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.806716][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.806716][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.806716][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.806716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.806716][   T10] 
[ 5827.808710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.808710][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.808710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.808710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.808710][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5827.808710][   T10]      ipv6_add_addr+0x411/0x2000
[ 5827.808710][   T10]      inet6_addr_add+0x30e/0xa40
[ 5827.808710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.808710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.808710][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.808710][   T10]      netlink_unicast+0x449/0x710
[ 5827.808710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.808710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.808710][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.808710][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.808710][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.808710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.808710][   T10] 
[ 5827.810756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.810756][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.810756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.810756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.810756][   T10]      ip6_route_add+0x1c/0x140
[ 5827.810756][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5827.810756][   T10]      addrconf_add_dev+0xe2/0x170
[ 5827.810756][   T10]      inet6_addr_add+0x12f/0xa40
[ 5827.810756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.810756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.810756][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.810756][   T10]      netlink_unicast+0x449/0x710
[ 5827.810756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.810756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.810756][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.810756][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.810756][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.810756][   T10] 
[ 5827.812719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.812719][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5827.812719][   T10]      ipv6_find_idev+0x102/0x170
[ 5827.812719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5827.812719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.812719][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.812719][   T10]      netlink_unicast+0x449/0x710
[ 5827.812719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.812719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.812719][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.812719][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.812719][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.812719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.812719][   T10] 
[ 5827.814273][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5827.814273][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5827.814273][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5827.814273][   T10]      ipv6_find_idev+0x102/0x170
[ 5827.814273][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5827.814273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.814273][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.814273][   T10]      netlink_unicast+0x449/0x710
[ 5827.814273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.814273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.814273][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.814273][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.814273][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.814273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.814273][   T10] 
[ 5827.815969][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5827.816206][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.816206][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5827.816206][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5827.816206][   T10]      fib6_nh_init+0xa22/0x1580
[ 5827.816206][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.816206][   T10]      ip6_route_add+0x1c/0x140
[ 5827.816206][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5827.816206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.816206][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.816206][   T10]      netlink_unicast+0x449/0x710
[ 5827.816206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.816206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.816206][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.816206][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.816206][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.816206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.816206][   T10] 
[ 5827.818081][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.818081][   T10]      dst_init+0x84/0x4a0
[ 5827.818081][   T10]      dst_alloc+0x97/0x150
[ 5827.818081][   T10]      ip6_dst_alloc+0x23/0x90
[ 5827.818081][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5827.818081][   T10]      ip6_pol_route+0x56f/0x840
[ 5827.818081][   T10]      fib6_rule_lookup+0x456/0x630
[ 5827.818081][   T10]      ip6_route_input+0x59c/0xa50
[ 5827.818081][   T10]      ipv6_rcv+0x397/0x810
[ 5827.818081][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5827.818081][   T10]      process_backlog+0x101/0x620
[ 5827.818081][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5827.818081][   T10]      net_rx_action+0x495/0xbe0
[ 5827.818081][   T10]      __do_softirq+0x1b5/0x7f6
[ 5827.818081][   T10] 
[ 5827.819718][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.819718][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.819718][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.819718][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.819718][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5827.819718][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5827.819718][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5827.819718][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5827.819718][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5827.819718][   T10]      addrconf_dad_begin+0x310/0x670
[ 5827.819718][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5827.819718][   T10]      process_one_work+0x84d/0x18a0
[ 5827.819718][   T10]      worker_thread+0x587/0xd30
[ 5827.819718][   T10]      kthread+0x28a/0x350
[ 5827.819718][   T10]      ret_from_fork+0x31/0x70
[ 5827.819718][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5827.819718][   T10] 
[ 5827.821619][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.821619][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.821619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.821619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.821619][   T10]      ip6_route_add+0x1c/0x140
[ 5827.821619][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5827.821619][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5827.821619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.821619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.821619][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.821619][   T10]      netlink_unicast+0x449/0x710
[ 5827.821619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.821619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.821619][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.821619][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.821619][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.821619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.821619][   T10] 
[ 5827.823628][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.823628][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.823628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.823628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.823628][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5827.823628][   T10]      ipv6_add_addr+0x411/0x2000
[ 5827.823628][   T10]      inet6_addr_add+0x30e/0xa40
[ 5827.823628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.823628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.823628][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.823628][   T10]      netlink_unicast+0x449/0x710
[ 5827.823628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.823628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.823628][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.823628][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.823628][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.823628][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.823628][   T10] 
[ 5827.825636][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.825636][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.825636][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.825636][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.825636][   T10]      ip6_route_add+0x1c/0x140
[ 5827.825636][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5827.825636][   T10]      addrconf_add_dev+0xe2/0x170
[ 5827.825636][   T10]      inet6_addr_add+0x12f/0xa40
[ 5827.825636][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.825636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.825636][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.825636][   T10]      netlink_unicast+0x449/0x710
[ 5827.825636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.825636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.825636][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.825636][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.825636][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.825636][   T10] 
[ 5827.827783][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.827783][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5827.827783][   T10]      ipv6_find_idev+0x102/0x170
[ 5827.827783][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5827.827783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.827783][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.827783][   T10]      netlink_unicast+0x449/0x710
[ 5827.827783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.827783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.827783][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.827783][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.827783][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.827783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.827783][   T10] 
[ 5827.829571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5827.829571][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5827.829571][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5827.829571][   T10]      ipv6_find_idev+0x102/0x170
[ 5827.829571][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5827.829571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.829571][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.829571][   T10]      netlink_unicast+0x449/0x710
[ 5827.829571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.829571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.829571][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.829571][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.829571][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.829571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.829571][   T10] 
[ 5827.831439][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5827.831754][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5827.831754][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.831754][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.831754][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.831754][   T10]      ip6_route_add+0x1c/0x140
[ 5827.831754][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5827.831754][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5827.831754][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.831754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.831754][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.831754][   T10]      netlink_unicast+0x449/0x710
[ 5827.831754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.831754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.831754][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.831754][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.831754][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.831754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.831754][   T10] 
[ 5827.833931][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5827.833931][   T10]      netdev_get_by_index+0x5e/0x80
[ 5827.833931][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5827.833931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5827.833931][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5827.833931][   T10]      ipv6_add_addr+0x411/0x2000
[ 5827.833931][   T10]      inet6_addr_add+0x30e/0xa40
[ 5827.833931][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5827.833931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.833931][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.833931][   T10]      netlink_unicast+0x449/0x710
[ 5827.833931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.833931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.833931][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.833931][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.833931][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.833931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.833931][   T10] 
[ 5827.836109][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5827.836109][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5827.836109][   T10]      ipv6_find_idev+0x102/0x170
[ 5827.836109][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5827.836109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.836109][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.836109][   T10]      netlink_unicast+0x449/0x710
[ 5827.836109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.836109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.836109][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.836109][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.836109][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.836109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.836109][   T10] 
[ 5827.838434][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5827.838434][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5827.838434][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5827.838434][   T10]      ipv6_find_idev+0x102/0x170
[ 5827.838434][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5827.838434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5827.838434][   T10]      netlink_rcv_skb+0x130/0x360
[ 5827.838434][   T10]      netlink_unicast+0x449/0x710
[ 5827.838434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5827.838434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5827.838434][   T10]      ___sys_sendmsg+0xee/0x170
[ 5827.838434][   T10]      __sys_sendmsg+0xcd/0x170
[ 5827.838434][   T10]      do_syscall_64+0xc6/0x1e0
[ 5827.838434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5827.838434][   T10] 
[ 5838.080741][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5838.081217][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.081217][   T10]      dst_init+0x84/0x4a0
[ 5838.081217][   T10]      dst_alloc+0x97/0x150
[ 5838.081217][   T10]      ip6_dst_alloc+0x23/0x90
[ 5838.081217][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5838.081217][   T10]      ip6_pol_route+0x56f/0x840
[ 5838.081217][   T10]      fib6_rule_lookup+0x456/0x630
[ 5838.081217][   T10]      ip6_route_input+0x59c/0xa50
[ 5838.081217][   T10]      ipv6_rcv+0x397/0x810
[ 5838.081217][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5838.081217][   T10]      process_backlog+0x101/0x620
[ 5838.081217][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5838.081217][   T10]      net_rx_action+0x495/0xbe0
[ 5838.081217][   T10]      __do_softirq+0x1b5/0x7f6
[ 5838.081217][   T10] 
[ 5838.082902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.082902][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5838.082902][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5838.082902][   T10]      fib6_nh_init+0xa22/0x1580
[ 5838.082902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.082902][   T10]      ip6_route_add+0x1c/0x140
[ 5838.082902][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5838.082902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.082902][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.082902][   T10]      netlink_unicast+0x449/0x710
[ 5838.082902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.082902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.082902][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.082902][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.082902][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.082902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.082902][   T10] 
[ 5838.084794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.084794][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.084794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.084794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.084794][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5838.084794][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5838.084794][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5838.084794][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5838.084794][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5838.084794][   T10]      addrconf_dad_begin+0x310/0x670
[ 5838.084794][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5838.084794][   T10]      process_one_work+0x84d/0x18a0
[ 5838.084794][   T10]      worker_thread+0x587/0xd30
[ 5838.084794][   T10]      kthread+0x28a/0x350
[ 5838.084794][   T10]      ret_from_fork+0x31/0x70
[ 5838.084794][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5838.084794][   T10] 
[ 5838.086698][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.086698][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.086698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.086698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.086698][   T10]      ip6_route_add+0x1c/0x140
[ 5838.086698][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5838.086698][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5838.086698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.086698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.086698][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.086698][   T10]      netlink_unicast+0x449/0x710
[ 5838.086698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.086698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.086698][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.086698][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.086698][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.086698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.086698][   T10] 
[ 5838.088716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.088716][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.088716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.088716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.088716][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5838.088716][   T10]      ipv6_add_addr+0x411/0x2000
[ 5838.088716][   T10]      inet6_addr_add+0x30e/0xa40
[ 5838.088716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.088716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.088716][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.088716][   T10]      netlink_unicast+0x449/0x710
[ 5838.088716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.088716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.088716][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.088716][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.088716][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.088716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.088716][   T10] 
[ 5838.090723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.090723][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.090723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.090723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.090723][   T10]      ip6_route_add+0x1c/0x140
[ 5838.090723][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5838.090723][   T10]      addrconf_add_dev+0xe2/0x170
[ 5838.090723][   T10]      inet6_addr_add+0x12f/0xa40
[ 5838.090723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.090723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.090723][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.090723][   T10]      netlink_unicast+0x449/0x710
[ 5838.090723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.090723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.090723][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.090723][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.090723][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.090723][   T10] 
[ 5838.092682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.092682][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5838.092682][   T10]      ipv6_find_idev+0x102/0x170
[ 5838.092682][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5838.092682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.092682][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.092682][   T10]      netlink_unicast+0x449/0x710
[ 5838.092682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.092682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.092682][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.092682][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.092682][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.092682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.092682][   T10] 
[ 5838.094225][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5838.094225][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5838.094225][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5838.094225][   T10]      ipv6_find_idev+0x102/0x170
[ 5838.094225][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5838.094225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.094225][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.094225][   T10]      netlink_unicast+0x449/0x710
[ 5838.094225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.094225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.094225][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.094225][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.094225][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.094225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.094225][   T10] 
[ 5838.095926][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5838.096164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.096164][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5838.096164][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5838.096164][   T10]      fib6_nh_init+0xa22/0x1580
[ 5838.096164][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.096164][   T10]      ip6_route_add+0x1c/0x140
[ 5838.096164][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5838.096164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.096164][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.096164][   T10]      netlink_unicast+0x449/0x710
[ 5838.096164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.096164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.096164][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.096164][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.096164][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.096164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.096164][   T10] 
[ 5838.098041][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.098041][   T10]      dst_init+0x84/0x4a0
[ 5838.098041][   T10]      dst_alloc+0x97/0x150
[ 5838.098041][   T10]      ip6_dst_alloc+0x23/0x90
[ 5838.098041][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5838.098041][   T10]      ip6_pol_route+0x56f/0x840
[ 5838.098041][   T10]      fib6_rule_lookup+0x456/0x630
[ 5838.098041][   T10]      ip6_route_input+0x59c/0xa50
[ 5838.098041][   T10]      ipv6_rcv+0x397/0x810
[ 5838.098041][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5838.098041][   T10]      process_backlog+0x101/0x620
[ 5838.098041][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5838.098041][   T10]      net_rx_action+0x495/0xbe0
[ 5838.098041][   T10]      __do_softirq+0x1b5/0x7f6
[ 5838.098041][   T10] 
[ 5838.099680][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.099680][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.099680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.099680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.099680][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5838.099680][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5838.099680][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5838.099680][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5838.099680][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5838.099680][   T10]      addrconf_dad_begin+0x310/0x670
[ 5838.099680][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5838.099680][   T10]      process_one_work+0x84d/0x18a0
[ 5838.099680][   T10]      worker_thread+0x587/0xd30
[ 5838.099680][   T10]      kthread+0x28a/0x350
[ 5838.099680][   T10]      ret_from_fork+0x31/0x70
[ 5838.099680][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5838.099680][   T10] 
[ 5838.101587][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.101587][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.101587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.101587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.101587][   T10]      ip6_route_add+0x1c/0x140
[ 5838.101587][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5838.101587][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5838.101587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.101587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.101587][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.101587][   T10]      netlink_unicast+0x449/0x710
[ 5838.101587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.101587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.101587][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.101587][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.101587][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.101587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.101587][   T10] 
[ 5838.103583][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.103583][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.103583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.103583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.103583][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5838.103583][   T10]      ipv6_add_addr+0x411/0x2000
[ 5838.103583][   T10]      inet6_addr_add+0x30e/0xa40
[ 5838.103583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.103583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.103583][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.103583][   T10]      netlink_unicast+0x449/0x710
[ 5838.103583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.103583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.103583][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.103583][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.103583][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.103583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.103583][   T10] 
[ 5838.105576][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.105576][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.105576][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.105576][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.105576][   T10]      ip6_route_add+0x1c/0x140
[ 5838.105576][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5838.105576][   T10]      addrconf_add_dev+0xe2/0x170
[ 5838.105576][   T10]      inet6_addr_add+0x12f/0xa40
[ 5838.105576][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.105576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.105576][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.105576][   T10]      netlink_unicast+0x449/0x710
[ 5838.105576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.105576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.105576][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.105576][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.105576][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.105576][   T10] 
[ 5838.107722][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.107722][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5838.107722][   T10]      ipv6_find_idev+0x102/0x170
[ 5838.107722][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5838.107722][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.107722][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.107722][   T10]      netlink_unicast+0x449/0x710
[ 5838.107722][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.107722][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.107722][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.107722][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.107722][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.107722][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.107722][   T10] 
[ 5838.109443][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5838.109443][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5838.109443][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5838.109443][   T10]      ipv6_find_idev+0x102/0x170
[ 5838.109443][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5838.109443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.109443][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.109443][   T10]      netlink_unicast+0x449/0x710
[ 5838.109443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.109443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.109443][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.109443][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.109443][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.109443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.109443][   T10] 
[ 5838.111371][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5838.111611][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5838.111611][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.111611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.111611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.111611][   T10]      ip6_route_add+0x1c/0x140
[ 5838.111611][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5838.111611][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5838.111611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.111611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.111611][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.111611][   T10]      netlink_unicast+0x449/0x710
[ 5838.111611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.111611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.111611][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.111611][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.111611][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.111611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.111611][   T10] 
[ 5838.113850][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5838.113850][   T10]      netdev_get_by_index+0x5e/0x80
[ 5838.113850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5838.113850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5838.113850][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5838.113850][   T10]      ipv6_add_addr+0x411/0x2000
[ 5838.113850][   T10]      inet6_addr_add+0x30e/0xa40
[ 5838.113850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5838.113850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.113850][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.113850][   T10]      netlink_unicast+0x449/0x710
[ 5838.113850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.113850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.113850][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.113850][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.113850][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.113850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.113850][   T10] 
[ 5838.116017][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5838.116017][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5838.116017][   T10]      ipv6_find_idev+0x102/0x170
[ 5838.116017][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5838.116017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.116017][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.116017][   T10]      netlink_unicast+0x449/0x710
[ 5838.116017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.116017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.116017][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.116017][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.116017][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.116017][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.116017][   T10] 
[ 5838.117727][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5838.117727][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5838.117727][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5838.117727][   T10]      ipv6_find_idev+0x102/0x170
[ 5838.117727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5838.117727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5838.117727][   T10]      netlink_rcv_skb+0x130/0x360
[ 5838.117727][   T10]      netlink_unicast+0x449/0x710
[ 5838.117727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5838.117727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5838.117727][   T10]      ___sys_sendmsg+0xee/0x170
[ 5838.117727][   T10]      __sys_sendmsg+0xcd/0x170
[ 5838.117727][   T10]      do_syscall_64+0xc6/0x1e0
[ 5838.117727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5838.117727][   T10] 
[ 5848.360786][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5848.361302][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.361302][   T10]      dst_init+0x84/0x4a0
[ 5848.361302][   T10]      dst_alloc+0x97/0x150
[ 5848.361302][   T10]      ip6_dst_alloc+0x23/0x90
[ 5848.361302][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5848.361302][   T10]      ip6_pol_route+0x56f/0x840
[ 5848.361302][   T10]      fib6_rule_lookup+0x456/0x630
[ 5848.361302][   T10]      ip6_route_input+0x59c/0xa50
[ 5848.361302][   T10]      ipv6_rcv+0x397/0x810
[ 5848.361302][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5848.361302][   T10]      process_backlog+0x101/0x620
[ 5848.361302][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5848.361302][   T10]      net_rx_action+0x495/0xbe0
[ 5848.361302][   T10]      __do_softirq+0x1b5/0x7f6
[ 5848.361302][   T10] 
[ 5848.362995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.362995][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5848.362995][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5848.362995][   T10]      fib6_nh_init+0xa22/0x1580
[ 5848.362995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.362995][   T10]      ip6_route_add+0x1c/0x140
[ 5848.362995][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5848.362995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.362995][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.362995][   T10]      netlink_unicast+0x449/0x710
[ 5848.362995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.362995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.362995][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.362995][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.362995][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.362995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.362995][   T10] 
[ 5848.364920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.364920][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.364920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.364920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.364920][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5848.364920][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5848.364920][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5848.364920][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5848.364920][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5848.364920][   T10]      addrconf_dad_begin+0x310/0x670
[ 5848.364920][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5848.364920][   T10]      process_one_work+0x84d/0x18a0
[ 5848.364920][   T10]      worker_thread+0x587/0xd30
[ 5848.364920][   T10]      kthread+0x28a/0x350
[ 5848.364920][   T10]      ret_from_fork+0x31/0x70
[ 5848.364920][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5848.364920][   T10] 
[ 5848.366861][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.366861][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.366861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.366861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.366861][   T10]      ip6_route_add+0x1c/0x140
[ 5848.366861][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5848.366861][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5848.366861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.366861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.366861][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.366861][   T10]      netlink_unicast+0x449/0x710
[ 5848.366861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.366861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.366861][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.366861][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.366861][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.366861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.366861][   T10] 
[ 5848.368895][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.368895][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.368895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.368895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.368895][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5848.368895][   T10]      ipv6_add_addr+0x411/0x2000
[ 5848.368895][   T10]      inet6_addr_add+0x30e/0xa40
[ 5848.368895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.368895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.368895][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.368895][   T10]      netlink_unicast+0x449/0x710
[ 5848.368895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.368895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.368895][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.368895][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.368895][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.368895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.368895][   T10] 
[ 5848.370935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.370935][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.370935][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.370935][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.370935][   T10]      ip6_route_add+0x1c/0x140
[ 5848.370935][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5848.370935][   T10]      addrconf_add_dev+0xe2/0x170
[ 5848.370935][   T10]      inet6_addr_add+0x12f/0xa40
[ 5848.370935][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.370935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.370935][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.370935][   T10]      netlink_unicast+0x449/0x710
[ 5848.370935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.370935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.370935][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.370935][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.370935][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.370935][   T10] 
[ 5848.372929][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.372929][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5848.372929][   T10]      ipv6_find_idev+0x102/0x170
[ 5848.372929][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5848.372929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.372929][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.372929][   T10]      netlink_unicast+0x449/0x710
[ 5848.372929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.372929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.372929][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.372929][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.372929][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.372929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.372929][   T10] 
[ 5848.374476][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5848.374476][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5848.374476][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5848.374476][   T10]      ipv6_find_idev+0x102/0x170
[ 5848.374476][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5848.374476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.374476][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.374476][   T10]      netlink_unicast+0x449/0x710
[ 5848.374476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.374476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.374476][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.374476][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.374476][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.374476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.374476][   T10] 
[ 5848.376212][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5848.376461][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.376461][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5848.376461][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5848.376461][   T10]      fib6_nh_init+0xa22/0x1580
[ 5848.376461][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.376461][   T10]      ip6_route_add+0x1c/0x140
[ 5848.376461][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5848.376461][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.376461][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.376461][   T10]      netlink_unicast+0x449/0x710
[ 5848.376461][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.376461][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.376461][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.376461][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.376461][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.376461][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.376461][   T10] 
[ 5848.378364][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.378364][   T10]      dst_init+0x84/0x4a0
[ 5848.378364][   T10]      dst_alloc+0x97/0x150
[ 5848.378364][   T10]      ip6_dst_alloc+0x23/0x90
[ 5848.378364][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5848.378364][   T10]      ip6_pol_route+0x56f/0x840
[ 5848.378364][   T10]      fib6_rule_lookup+0x456/0x630
[ 5848.378364][   T10]      ip6_route_input+0x59c/0xa50
[ 5848.378364][   T10]      ipv6_rcv+0x397/0x810
[ 5848.378364][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5848.378364][   T10]      process_backlog+0x101/0x620
[ 5848.378364][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5848.378364][   T10]      net_rx_action+0x495/0xbe0
[ 5848.378364][   T10]      __do_softirq+0x1b5/0x7f6
[ 5848.378364][   T10] 
[ 5848.380032][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.380032][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.380032][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.380032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.380032][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5848.380032][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5848.380032][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5848.380032][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5848.380032][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5848.380032][   T10]      addrconf_dad_begin+0x310/0x670
[ 5848.380032][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5848.380032][   T10]      process_one_work+0x84d/0x18a0
[ 5848.380032][   T10]      worker_thread+0x587/0xd30
[ 5848.380032][   T10]      kthread+0x28a/0x350
[ 5848.380032][   T10]      ret_from_fork+0x31/0x70
[ 5848.380032][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5848.380032][   T10] 
[ 5848.381974][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.381974][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.381974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.381974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.381974][   T10]      ip6_route_add+0x1c/0x140
[ 5848.381974][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5848.381974][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5848.381974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.381974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.381974][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.381974][   T10]      netlink_unicast+0x449/0x710
[ 5848.381974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.381974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.381974][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.381974][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.381974][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.381974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.381974][   T10] 
[ 5848.383991][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.383991][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.383991][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.383991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.383991][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5848.383991][   T10]      ipv6_add_addr+0x411/0x2000
[ 5848.383991][   T10]      inet6_addr_add+0x30e/0xa40
[ 5848.383991][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.383991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.383991][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.383991][   T10]      netlink_unicast+0x449/0x710
[ 5848.383991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.383991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.383991][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.383991][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.383991][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.383991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.383991][   T10] 
[ 5848.386010][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.386010][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.386010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.386010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.386010][   T10]      ip6_route_add+0x1c/0x140
[ 5848.386010][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5848.386010][   T10]      addrconf_add_dev+0xe2/0x170
[ 5848.386010][   T10]      inet6_addr_add+0x12f/0xa40
[ 5848.386010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.386010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.386010][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.386010][   T10]      netlink_unicast+0x449/0x710
[ 5848.386010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.386010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.386010][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.386010][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.386010][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.386010][   T10] 
[ 5848.388174][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.388174][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5848.388174][   T10]      ipv6_find_idev+0x102/0x170
[ 5848.388174][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5848.388174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.388174][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.388174][   T10]      netlink_unicast+0x449/0x710
[ 5848.388174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.388174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.388174][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.388174][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.388174][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.388174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.388174][   T10] 
[ 5848.389991][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5848.389991][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5848.389991][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5848.389991][   T10]      ipv6_find_idev+0x102/0x170
[ 5848.389991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5848.389991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.389991][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.389991][   T10]      netlink_unicast+0x449/0x710
[ 5848.389991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.389991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.389991][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.389991][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.389991][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.389991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.389991][   T10] 
[ 5848.391886][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5848.392130][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5848.392130][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.392130][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.392130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.392130][   T10]      ip6_route_add+0x1c/0x140
[ 5848.392130][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5848.392130][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5848.392130][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.392130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.392130][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.392130][   T10]      netlink_unicast+0x449/0x710
[ 5848.392130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.392130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.392130][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.392130][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.392130][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.392130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.392130][   T10] 
[ 5848.394394][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5848.394394][   T10]      netdev_get_by_index+0x5e/0x80
[ 5848.394394][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5848.394394][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5848.394394][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5848.394394][   T10]      ipv6_add_addr+0x411/0x2000
[ 5848.394394][   T10]      inet6_addr_add+0x30e/0xa40
[ 5848.394394][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5848.394394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.394394][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.394394][   T10]      netlink_unicast+0x449/0x710
[ 5848.394394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.394394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.394394][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.394394][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.394394][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.394394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.394394][   T10] 
[ 5848.396657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5848.396657][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5848.396657][   T10]      ipv6_find_idev+0x102/0x170
[ 5848.396657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5848.396657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.396657][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.396657][   T10]      netlink_unicast+0x449/0x710
[ 5848.396657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.396657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.396657][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.396657][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.396657][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.396657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.396657][   T10] 
[ 5848.398454][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5848.398454][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5848.398454][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5848.398454][   T10]      ipv6_find_idev+0x102/0x170
[ 5848.398454][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5848.398454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5848.398454][   T10]      netlink_rcv_skb+0x130/0x360
[ 5848.398454][   T10]      netlink_unicast+0x449/0x710
[ 5848.398454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5848.398454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5848.398454][   T10]      ___sys_sendmsg+0xee/0x170
[ 5848.398454][   T10]      __sys_sendmsg+0xcd/0x170
[ 5848.398454][   T10]      do_syscall_64+0xc6/0x1e0
[ 5848.398454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5848.398454][   T10] 
[ 5858.640772][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5858.641300][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.641300][   T10]      dst_init+0x84/0x4a0
[ 5858.641300][   T10]      dst_alloc+0x97/0x150
[ 5858.641300][   T10]      ip6_dst_alloc+0x23/0x90
[ 5858.641300][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5858.641300][   T10]      ip6_pol_route+0x56f/0x840
[ 5858.641300][   T10]      fib6_rule_lookup+0x456/0x630
[ 5858.641300][   T10]      ip6_route_input+0x59c/0xa50
[ 5858.641300][   T10]      ipv6_rcv+0x397/0x810
[ 5858.641300][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5858.641300][   T10]      process_backlog+0x101/0x620
[ 5858.641300][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5858.641300][   T10]      net_rx_action+0x495/0xbe0
[ 5858.641300][   T10]      __do_softirq+0x1b5/0x7f6
[ 5858.641300][   T10] 
[ 5858.643014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.643014][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5858.643014][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5858.643014][   T10]      fib6_nh_init+0xa22/0x1580
[ 5858.643014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.643014][   T10]      ip6_route_add+0x1c/0x140
[ 5858.643014][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5858.643014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.643014][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.643014][   T10]      netlink_unicast+0x449/0x710
[ 5858.643014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.643014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.643014][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.643014][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.643014][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.643014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.643014][   T10] 
[ 5858.644918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.644918][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.644918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.644918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.644918][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5858.644918][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5858.644918][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5858.644918][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5858.644918][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5858.644918][   T10]      addrconf_dad_begin+0x310/0x670
[ 5858.644918][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5858.644918][   T10]      process_one_work+0x84d/0x18a0
[ 5858.644918][   T10]      worker_thread+0x587/0xd30
[ 5858.644918][   T10]      kthread+0x28a/0x350
[ 5858.644918][   T10]      ret_from_fork+0x31/0x70
[ 5858.644918][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5858.644918][   T10] 
[ 5858.646844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.646844][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.646844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.646844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.646844][   T10]      ip6_route_add+0x1c/0x140
[ 5858.646844][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5858.646844][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5858.646844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.646844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.646844][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.646844][   T10]      netlink_unicast+0x449/0x710
[ 5858.646844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.646844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.646844][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.646844][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.646844][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.646844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.646844][   T10] 
[ 5858.648886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.648886][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.648886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.648886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.648886][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5858.648886][   T10]      ipv6_add_addr+0x411/0x2000
[ 5858.648886][   T10]      inet6_addr_add+0x30e/0xa40
[ 5858.648886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.648886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.648886][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.648886][   T10]      netlink_unicast+0x449/0x710
[ 5858.648886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.648886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.648886][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.648886][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.648886][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.648886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.648886][   T10] 
[ 5858.650872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.650872][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.650872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.650872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.650872][   T10]      ip6_route_add+0x1c/0x140
[ 5858.650872][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5858.650872][   T10]      addrconf_add_dev+0xe2/0x170
[ 5858.650872][   T10]      inet6_addr_add+0x12f/0xa40
[ 5858.650872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.650872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.650872][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.650872][   T10]      netlink_unicast+0x449/0x710
[ 5858.650872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.650872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.650872][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.650872][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.650872][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.650872][   T10] 
[ 5858.652828][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.652828][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5858.652828][   T10]      ipv6_find_idev+0x102/0x170
[ 5858.652828][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5858.652828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.652828][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.652828][   T10]      netlink_unicast+0x449/0x710
[ 5858.652828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.652828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.652828][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.652828][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.652828][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.652828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.652828][   T10] 
[ 5858.654391][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5858.654391][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5858.654391][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5858.654391][   T10]      ipv6_find_idev+0x102/0x170
[ 5858.654391][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5858.654391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.654391][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.654391][   T10]      netlink_unicast+0x449/0x710
[ 5858.654391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.654391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.654391][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.654391][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.654391][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.654391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.654391][   T10] 
[ 5858.656096][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5858.656341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.656341][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5858.656341][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5858.656341][   T10]      fib6_nh_init+0xa22/0x1580
[ 5858.656341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.656341][   T10]      ip6_route_add+0x1c/0x140
[ 5858.656341][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5858.656341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.656341][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.656341][   T10]      netlink_unicast+0x449/0x710
[ 5858.656341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.656341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.656341][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.656341][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.656341][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.656341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.656341][   T10] 
[ 5858.658200][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.658200][   T10]      dst_init+0x84/0x4a0
[ 5858.658200][   T10]      dst_alloc+0x97/0x150
[ 5858.658200][   T10]      ip6_dst_alloc+0x23/0x90
[ 5858.658200][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5858.658200][   T10]      ip6_pol_route+0x56f/0x840
[ 5858.658200][   T10]      fib6_rule_lookup+0x456/0x630
[ 5858.658200][   T10]      ip6_route_input+0x59c/0xa50
[ 5858.658200][   T10]      ipv6_rcv+0x397/0x810
[ 5858.658200][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5858.658200][   T10]      process_backlog+0x101/0x620
[ 5858.658200][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5858.658200][   T10]      net_rx_action+0x495/0xbe0
[ 5858.658200][   T10]      __do_softirq+0x1b5/0x7f6
[ 5858.658200][   T10] 
[ 5858.659865][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.659865][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.659865][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.659865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.659865][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5858.659865][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5858.659865][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5858.659865][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5858.659865][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5858.659865][   T10]      addrconf_dad_begin+0x310/0x670
[ 5858.659865][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5858.659865][   T10]      process_one_work+0x84d/0x18a0
[ 5858.659865][   T10]      worker_thread+0x587/0xd30
[ 5858.659865][   T10]      kthread+0x28a/0x350
[ 5858.659865][   T10]      ret_from_fork+0x31/0x70
[ 5858.659865][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5858.659865][   T10] 
[ 5858.661724][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.661724][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.661724][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.661724][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.661724][   T10]      ip6_route_add+0x1c/0x140
[ 5858.661724][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5858.661724][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5858.661724][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.661724][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.661724][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.661724][   T10]      netlink_unicast+0x449/0x710
[ 5858.661724][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.661724][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.661724][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.661724][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.661724][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.661724][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.661724][   T10] 
[ 5858.663664][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.663664][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.663664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.663664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.663664][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5858.663664][   T10]      ipv6_add_addr+0x411/0x2000
[ 5858.663664][   T10]      inet6_addr_add+0x30e/0xa40
[ 5858.663664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.663664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.663664][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.663664][   T10]      netlink_unicast+0x449/0x710
[ 5858.663664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.663664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.663664][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.663664][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.663664][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.663664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.663664][   T10] 
[ 5858.665609][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.665609][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.665609][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.665609][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.665609][   T10]      ip6_route_add+0x1c/0x140
[ 5858.665609][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5858.665609][   T10]      addrconf_add_dev+0xe2/0x170
[ 5858.665609][   T10]      inet6_addr_add+0x12f/0xa40
[ 5858.665609][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.665609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.665609][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.665609][   T10]      netlink_unicast+0x449/0x710
[ 5858.665609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.665609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.665609][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.665609][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.665609][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.665609][   T10] 
[ 5858.667700][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.667700][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5858.667700][   T10]      ipv6_find_idev+0x102/0x170
[ 5858.667700][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5858.667700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.667700][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.667700][   T10]      netlink_unicast+0x449/0x710
[ 5858.667700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.667700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.667700][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.667700][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.667700][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.667700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.667700][   T10] 
[ 5858.669387][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5858.669387][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5858.669387][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5858.669387][   T10]      ipv6_find_idev+0x102/0x170
[ 5858.669387][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5858.669387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.669387][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.669387][   T10]      netlink_unicast+0x449/0x710
[ 5858.669387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.669387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.669387][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.669387][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.669387][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.669387][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.669387][   T10] 
[ 5858.671311][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5858.671557][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5858.671557][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.671557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.671557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.671557][   T10]      ip6_route_add+0x1c/0x140
[ 5858.671557][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5858.671557][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5858.671557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.671557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.671557][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.671557][   T10]      netlink_unicast+0x449/0x710
[ 5858.671557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.671557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.671557][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.671557][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.671557][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.671557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.671557][   T10] 
[ 5858.673806][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5858.673806][   T10]      netdev_get_by_index+0x5e/0x80
[ 5858.673806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5858.673806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5858.673806][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5858.673806][   T10]      ipv6_add_addr+0x411/0x2000
[ 5858.673806][   T10]      inet6_addr_add+0x30e/0xa40
[ 5858.673806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5858.673806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.673806][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.673806][   T10]      netlink_unicast+0x449/0x710
[ 5858.673806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.673806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.673806][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.673806][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.673806][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.673806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.673806][   T10] 
[ 5858.676009][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5858.676009][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5858.676009][   T10]      ipv6_find_idev+0x102/0x170
[ 5858.676009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5858.676009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.676009][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.676009][   T10]      netlink_unicast+0x449/0x710
[ 5858.676009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.676009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.676009][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.676009][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.676009][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.676009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.676009][   T10] 
[ 5858.677707][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5858.677707][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5858.677707][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5858.677707][   T10]      ipv6_find_idev+0x102/0x170
[ 5858.677707][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5858.677707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5858.677707][   T10]      netlink_rcv_skb+0x130/0x360
[ 5858.677707][   T10]      netlink_unicast+0x449/0x710
[ 5858.677707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5858.677707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5858.677707][   T10]      ___sys_sendmsg+0xee/0x170
[ 5858.677707][   T10]      __sys_sendmsg+0xcd/0x170
[ 5858.677707][   T10]      do_syscall_64+0xc6/0x1e0
[ 5858.677707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5858.677707][   T10] 
[ 5868.920819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5868.921463][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.921463][   T10]      dst_init+0x84/0x4a0
[ 5868.921463][   T10]      dst_alloc+0x97/0x150
[ 5868.921463][   T10]      ip6_dst_alloc+0x23/0x90
[ 5868.921463][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5868.921463][   T10]      ip6_pol_route+0x56f/0x840
[ 5868.921463][   T10]      fib6_rule_lookup+0x456/0x630
[ 5868.921463][   T10]      ip6_route_input+0x59c/0xa50
[ 5868.921463][   T10]      ipv6_rcv+0x397/0x810
[ 5868.921463][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5868.921463][   T10]      process_backlog+0x101/0x620
[ 5868.921463][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5868.921463][   T10]      net_rx_action+0x495/0xbe0
[ 5868.921463][   T10]      __do_softirq+0x1b5/0x7f6
[ 5868.921463][   T10] 
[ 5868.923087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.923087][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5868.923087][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5868.923087][   T10]      fib6_nh_init+0xa22/0x1580
[ 5868.923087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.923087][   T10]      ip6_route_add+0x1c/0x140
[ 5868.923087][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5868.923087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.923087][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.923087][   T10]      netlink_unicast+0x449/0x710
[ 5868.923087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.923087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.923087][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.923087][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.923087][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.923087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.923087][   T10] 
[ 5868.924990][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.924990][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.924990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.924990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.924990][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5868.924990][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5868.924990][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5868.924990][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5868.924990][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5868.924990][   T10]      addrconf_dad_begin+0x310/0x670
[ 5868.924990][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5868.924990][   T10]      process_one_work+0x84d/0x18a0
[ 5868.924990][   T10]      worker_thread+0x587/0xd30
[ 5868.924990][   T10]      kthread+0x28a/0x350
[ 5868.924990][   T10]      ret_from_fork+0x31/0x70
[ 5868.924990][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5868.924990][   T10] 
[ 5868.927019][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.927019][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.927019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.927019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.927019][   T10]      ip6_route_add+0x1c/0x140
[ 5868.927019][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5868.927019][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5868.927019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.927019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.927019][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.927019][   T10]      netlink_unicast+0x449/0x710
[ 5868.927019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.927019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.927019][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.927019][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.927019][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.927019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.927019][   T10] 
[ 5868.929035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.929035][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.929035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.929035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.929035][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5868.929035][   T10]      ipv6_add_addr+0x411/0x2000
[ 5868.929035][   T10]      inet6_addr_add+0x30e/0xa40
[ 5868.929035][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.929035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.929035][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.929035][   T10]      netlink_unicast+0x449/0x710
[ 5868.929035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.929035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.929035][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.929035][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.929035][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.929035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.929035][   T10] 
[ 5868.931035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.931035][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.931035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.931035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.931035][   T10]      ip6_route_add+0x1c/0x140
[ 5868.931035][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5868.931035][   T10]      addrconf_add_dev+0xe2/0x170
[ 5868.931035][   T10]      inet6_addr_add+0x12f/0xa40
[ 5868.931035][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.931035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.931035][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.931035][   T10]      netlink_unicast+0x449/0x710
[ 5868.931035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.931035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.931035][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.931035][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.931035][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.931035][   T10] 
[ 5868.932995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.932995][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5868.932995][   T10]      ipv6_find_idev+0x102/0x170
[ 5868.932995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5868.932995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.932995][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.932995][   T10]      netlink_unicast+0x449/0x710
[ 5868.932995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.932995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.932995][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.932995][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.932995][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.932995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.932995][   T10] 
[ 5868.934546][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5868.934546][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5868.934546][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5868.934546][   T10]      ipv6_find_idev+0x102/0x170
[ 5868.934546][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5868.934546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.934546][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.934546][   T10]      netlink_unicast+0x449/0x710
[ 5868.934546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.934546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.934546][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.934546][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.934546][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.934546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.934546][   T10] 
[ 5868.936229][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5868.936464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.936464][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5868.936464][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5868.936464][   T10]      fib6_nh_init+0xa22/0x1580
[ 5868.936464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.936464][   T10]      ip6_route_add+0x1c/0x140
[ 5868.936464][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5868.936464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.936464][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.936464][   T10]      netlink_unicast+0x449/0x710
[ 5868.936464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.936464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.936464][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.936464][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.936464][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.936464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.936464][   T10] 
[ 5868.938338][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.938338][   T10]      dst_init+0x84/0x4a0
[ 5868.938338][   T10]      dst_alloc+0x97/0x150
[ 5868.938338][   T10]      ip6_dst_alloc+0x23/0x90
[ 5868.938338][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5868.938338][   T10]      ip6_pol_route+0x56f/0x840
[ 5868.938338][   T10]      fib6_rule_lookup+0x456/0x630
[ 5868.938338][   T10]      ip6_route_input+0x59c/0xa50
[ 5868.938338][   T10]      ipv6_rcv+0x397/0x810
[ 5868.938338][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5868.938338][   T10]      process_backlog+0x101/0x620
[ 5868.938338][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5868.938338][   T10]      net_rx_action+0x495/0xbe0
[ 5868.938338][   T10]      __do_softirq+0x1b5/0x7f6
[ 5868.938338][   T10] 
[ 5868.939970][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.939970][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.939970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.939970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.939970][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5868.939970][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5868.939970][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5868.939970][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5868.939970][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5868.939970][   T10]      addrconf_dad_begin+0x310/0x670
[ 5868.939970][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5868.939970][   T10]      process_one_work+0x84d/0x18a0
[ 5868.939970][   T10]      worker_thread+0x587/0xd30
[ 5868.939970][   T10]      kthread+0x28a/0x350
[ 5868.939970][   T10]      ret_from_fork+0x31/0x70
[ 5868.939970][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5868.939970][   T10] 
[ 5868.941874][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.941874][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.941874][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.941874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.941874][   T10]      ip6_route_add+0x1c/0x140
[ 5868.941874][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5868.941874][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5868.941874][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.941874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.941874][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.941874][   T10]      netlink_unicast+0x449/0x710
[ 5868.941874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.941874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.941874][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.941874][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.941874][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.941874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.941874][   T10] 
[ 5868.943871][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.943871][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.943871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.943871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.943871][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5868.943871][   T10]      ipv6_add_addr+0x411/0x2000
[ 5868.943871][   T10]      inet6_addr_add+0x30e/0xa40
[ 5868.943871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.943871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.943871][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.943871][   T10]      netlink_unicast+0x449/0x710
[ 5868.943871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.943871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.943871][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.943871][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.943871][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.943871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.943871][   T10] 
[ 5868.945885][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.945885][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.945885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.945885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.945885][   T10]      ip6_route_add+0x1c/0x140
[ 5868.945885][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5868.945885][   T10]      addrconf_add_dev+0xe2/0x170
[ 5868.945885][   T10]      inet6_addr_add+0x12f/0xa40
[ 5868.945885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.945885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.945885][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.945885][   T10]      netlink_unicast+0x449/0x710
[ 5868.945885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.945885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.945885][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.945885][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.945885][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.945885][   T10] 
[ 5868.948035][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.948035][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5868.948035][   T10]      ipv6_find_idev+0x102/0x170
[ 5868.948035][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5868.948035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.948035][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.948035][   T10]      netlink_unicast+0x449/0x710
[ 5868.948035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.948035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.948035][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.948035][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.948035][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.948035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.948035][   T10] 
[ 5868.949840][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5868.949840][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5868.949840][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5868.949840][   T10]      ipv6_find_idev+0x102/0x170
[ 5868.949840][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5868.949840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.949840][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.949840][   T10]      netlink_unicast+0x449/0x710
[ 5868.949840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.949840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.949840][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.949840][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.949840][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.949840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.949840][   T10] 
[ 5868.951709][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5868.951943][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5868.951943][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.951943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.951943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.951943][   T10]      ip6_route_add+0x1c/0x140
[ 5868.951943][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5868.951943][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5868.951943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.951943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.951943][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.951943][   T10]      netlink_unicast+0x449/0x710
[ 5868.951943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.951943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.951943][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.951943][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.951943][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.951943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.951943][   T10] 
[ 5868.954177][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5868.954177][   T10]      netdev_get_by_index+0x5e/0x80
[ 5868.954177][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5868.954177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5868.954177][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5868.954177][   T10]      ipv6_add_addr+0x411/0x2000
[ 5868.954177][   T10]      inet6_addr_add+0x30e/0xa40
[ 5868.954177][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5868.954177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.954177][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.954177][   T10]      netlink_unicast+0x449/0x710
[ 5868.954177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.954177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.954177][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.954177][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.954177][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.954177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.954177][   T10] 
[ 5868.956349][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5868.956349][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5868.956349][   T10]      ipv6_find_idev+0x102/0x170
[ 5868.956349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5868.956349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.956349][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.956349][   T10]      netlink_unicast+0x449/0x710
[ 5868.956349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.956349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.956349][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.956349][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.956349][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.956349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.956349][   T10] 
[ 5868.958088][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5868.958088][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5868.958088][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5868.958088][   T10]      ipv6_find_idev+0x102/0x170
[ 5868.958088][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5868.958088][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5868.958088][   T10]      netlink_rcv_skb+0x130/0x360
[ 5868.958088][   T10]      netlink_unicast+0x449/0x710
[ 5868.958088][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5868.958088][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5868.958088][   T10]      ___sys_sendmsg+0xee/0x170
[ 5868.958088][   T10]      __sys_sendmsg+0xcd/0x170
[ 5868.958088][   T10]      do_syscall_64+0xc6/0x1e0
[ 5868.958088][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5868.958088][   T10] 
[ 5879.200748][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5879.201201][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.201201][   T10]      dst_init+0x84/0x4a0
[ 5879.201201][   T10]      dst_alloc+0x97/0x150
[ 5879.201201][   T10]      ip6_dst_alloc+0x23/0x90
[ 5879.201201][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5879.201201][   T10]      ip6_pol_route+0x56f/0x840
[ 5879.201201][   T10]      fib6_rule_lookup+0x456/0x630
[ 5879.201201][   T10]      ip6_route_input+0x59c/0xa50
[ 5879.201201][   T10]      ipv6_rcv+0x397/0x810
[ 5879.201201][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5879.201201][   T10]      process_backlog+0x101/0x620
[ 5879.201201][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5879.201201][   T10]      net_rx_action+0x495/0xbe0
[ 5879.201201][   T10]      __do_softirq+0x1b5/0x7f6
[ 5879.201201][   T10] 
[ 5879.202865][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.202865][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5879.202865][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5879.202865][   T10]      fib6_nh_init+0xa22/0x1580
[ 5879.202865][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.202865][   T10]      ip6_route_add+0x1c/0x140
[ 5879.202865][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5879.202865][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.202865][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.202865][   T10]      netlink_unicast+0x449/0x710
[ 5879.202865][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.202865][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.202865][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.202865][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.202865][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.202865][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.202865][   T10] 
[ 5879.204750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.204750][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.204750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.204750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.204750][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5879.204750][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5879.204750][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5879.204750][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5879.204750][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5879.204750][   T10]      addrconf_dad_begin+0x310/0x670
[ 5879.204750][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5879.204750][   T10]      process_one_work+0x84d/0x18a0
[ 5879.204750][   T10]      worker_thread+0x587/0xd30
[ 5879.204750][   T10]      kthread+0x28a/0x350
[ 5879.204750][   T10]      ret_from_fork+0x31/0x70
[ 5879.204750][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5879.204750][   T10] 
[ 5879.206651][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.206651][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.206651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.206651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.206651][   T10]      ip6_route_add+0x1c/0x140
[ 5879.206651][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5879.206651][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5879.206651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.206651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.206651][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.206651][   T10]      netlink_unicast+0x449/0x710
[ 5879.206651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.206651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.206651][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.206651][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.206651][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.206651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.206651][   T10] 
[ 5879.208657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.208657][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.208657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.208657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.208657][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5879.208657][   T10]      ipv6_add_addr+0x411/0x2000
[ 5879.208657][   T10]      inet6_addr_add+0x30e/0xa40
[ 5879.208657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.208657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.208657][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.208657][   T10]      netlink_unicast+0x449/0x710
[ 5879.208657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.208657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.208657][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.208657][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.208657][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.208657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.208657][   T10] 
[ 5879.210654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.210654][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.210654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.210654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.210654][   T10]      ip6_route_add+0x1c/0x140
[ 5879.210654][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5879.210654][   T10]      addrconf_add_dev+0xe2/0x170
[ 5879.210654][   T10]      inet6_addr_add+0x12f/0xa40
[ 5879.210654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.210654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.210654][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.210654][   T10]      netlink_unicast+0x449/0x710
[ 5879.210654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.210654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.210654][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.210654][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.210654][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.210654][   T10] 
[ 5879.212619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.212619][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5879.212619][   T10]      ipv6_find_idev+0x102/0x170
[ 5879.212619][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5879.212619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.212619][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.212619][   T10]      netlink_unicast+0x449/0x710
[ 5879.212619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.212619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.212619][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.212619][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.212619][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.212619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.212619][   T10] 
[ 5879.214154][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5879.214154][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5879.214154][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5879.214154][   T10]      ipv6_find_idev+0x102/0x170
[ 5879.214154][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5879.214154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.214154][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.214154][   T10]      netlink_unicast+0x449/0x710
[ 5879.214154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.214154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.214154][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.214154][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.214154][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.214154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.214154][   T10] 
[ 5879.215843][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5879.216093][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.216093][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5879.216093][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5879.216093][   T10]      fib6_nh_init+0xa22/0x1580
[ 5879.216093][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.216093][   T10]      ip6_route_add+0x1c/0x140
[ 5879.216093][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5879.216093][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.216093][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.216093][   T10]      netlink_unicast+0x449/0x710
[ 5879.216093][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.216093][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.216093][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.216093][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.216093][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.216093][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.216093][   T10] 
[ 5879.217986][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.217986][   T10]      dst_init+0x84/0x4a0
[ 5879.217986][   T10]      dst_alloc+0x97/0x150
[ 5879.217986][   T10]      ip6_dst_alloc+0x23/0x90
[ 5879.217986][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5879.217986][   T10]      ip6_pol_route+0x56f/0x840
[ 5879.217986][   T10]      fib6_rule_lookup+0x456/0x630
[ 5879.217986][   T10]      ip6_route_input+0x59c/0xa50
[ 5879.217986][   T10]      ipv6_rcv+0x397/0x810
[ 5879.217986][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5879.217986][   T10]      process_backlog+0x101/0x620
[ 5879.217986][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5879.217986][   T10]      net_rx_action+0x495/0xbe0
[ 5879.217986][   T10]      __do_softirq+0x1b5/0x7f6
[ 5879.217986][   T10] 
[ 5879.219621][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.219621][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.219621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.219621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.219621][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5879.219621][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5879.219621][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5879.219621][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5879.219621][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5879.219621][   T10]      addrconf_dad_begin+0x310/0x670
[ 5879.219621][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5879.219621][   T10]      process_one_work+0x84d/0x18a0
[ 5879.219621][   T10]      worker_thread+0x587/0xd30
[ 5879.219621][   T10]      kthread+0x28a/0x350
[ 5879.219621][   T10]      ret_from_fork+0x31/0x70
[ 5879.219621][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5879.219621][   T10] 
[ 5879.221519][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.221519][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.221519][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.221519][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.221519][   T10]      ip6_route_add+0x1c/0x140
[ 5879.221519][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5879.221519][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5879.221519][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.221519][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.221519][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.221519][   T10]      netlink_unicast+0x449/0x710
[ 5879.221519][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.221519][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.221519][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.221519][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.221519][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.221519][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.221519][   T10] 
[ 5879.223521][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.223521][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.223521][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.223521][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.223521][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5879.223521][   T10]      ipv6_add_addr+0x411/0x2000
[ 5879.223521][   T10]      inet6_addr_add+0x30e/0xa40
[ 5879.223521][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.223521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.223521][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.223521][   T10]      netlink_unicast+0x449/0x710
[ 5879.223521][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.223521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.223521][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.223521][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.223521][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.223521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.223521][   T10] 
[ 5879.225505][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.225505][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.225505][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.225505][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.225505][   T10]      ip6_route_add+0x1c/0x140
[ 5879.225505][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5879.225505][   T10]      addrconf_add_dev+0xe2/0x170
[ 5879.225505][   T10]      inet6_addr_add+0x12f/0xa40
[ 5879.225505][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.225505][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.225505][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.225505][   T10]      netlink_unicast+0x449/0x710
[ 5879.225505][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.225505][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.225505][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.225505][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.225505][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.225505][   T10] 
[ 5879.227641][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.227641][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5879.227641][   T10]      ipv6_find_idev+0x102/0x170
[ 5879.227641][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5879.227641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.227641][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.227641][   T10]      netlink_unicast+0x449/0x710
[ 5879.227641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.227641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.227641][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.227641][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.227641][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.227641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.227641][   T10] 
[ 5879.229447][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5879.229447][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5879.229447][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5879.229447][   T10]      ipv6_find_idev+0x102/0x170
[ 5879.229447][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5879.229447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.229447][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.229447][   T10]      netlink_unicast+0x449/0x710
[ 5879.229447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.229447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.229447][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.229447][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.229447][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.229447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.229447][   T10] 
[ 5879.231374][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5879.231612][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5879.231612][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.231612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.231612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.231612][   T10]      ip6_route_add+0x1c/0x140
[ 5879.231612][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5879.231612][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5879.231612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.231612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.231612][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.231612][   T10]      netlink_unicast+0x449/0x710
[ 5879.231612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.231612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.231612][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.231612][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.231612][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.231612][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.231612][   T10] 
[ 5879.233845][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5879.233845][   T10]      netdev_get_by_index+0x5e/0x80
[ 5879.233845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5879.233845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5879.233845][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5879.233845][   T10]      ipv6_add_addr+0x411/0x2000
[ 5879.233845][   T10]      inet6_addr_add+0x30e/0xa40
[ 5879.233845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5879.233845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.233845][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.233845][   T10]      netlink_unicast+0x449/0x710
[ 5879.233845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.233845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.233845][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.233845][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.233845][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.233845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.233845][   T10] 
[ 5879.236022][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5879.236022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5879.236022][   T10]      ipv6_find_idev+0x102/0x170
[ 5879.236022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5879.236022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.236022][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.236022][   T10]      netlink_unicast+0x449/0x710
[ 5879.236022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.236022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.236022][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.236022][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.236022][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.236022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.236022][   T10] 
[ 5879.237728][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5879.237728][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5879.237728][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5879.237728][   T10]      ipv6_find_idev+0x102/0x170
[ 5879.237728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5879.237728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5879.237728][   T10]      netlink_rcv_skb+0x130/0x360
[ 5879.237728][   T10]      netlink_unicast+0x449/0x710
[ 5879.237728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5879.237728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5879.237728][   T10]      ___sys_sendmsg+0xee/0x170
[ 5879.237728][   T10]      __sys_sendmsg+0xcd/0x170
[ 5879.237728][   T10]      do_syscall_64+0xc6/0x1e0
[ 5879.237728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5879.237728][   T10] 
[ 5889.368770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5889.369486][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.369486][   T10]      dst_init+0x84/0x4a0
[ 5889.369486][   T10]      dst_alloc+0x97/0x150
[ 5889.369486][   T10]      ip6_dst_alloc+0x23/0x90
[ 5889.369486][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5889.369486][   T10]      ip6_pol_route+0x56f/0x840
[ 5889.369486][   T10]      fib6_rule_lookup+0x456/0x630
[ 5889.369486][   T10]      ip6_route_input+0x59c/0xa50
[ 5889.369486][   T10]      ipv6_rcv+0x397/0x810
[ 5889.369486][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5889.369486][   T10]      process_backlog+0x101/0x620
[ 5889.369486][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5889.369486][   T10]      net_rx_action+0x495/0xbe0
[ 5889.369486][   T10]      __do_softirq+0x1b5/0x7f6
[ 5889.369486][   T10] 
[ 5889.371137][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.371137][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5889.371137][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5889.371137][   T10]      fib6_nh_init+0xa22/0x1580
[ 5889.371137][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.371137][   T10]      ip6_route_add+0x1c/0x140
[ 5889.371137][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5889.371137][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.371137][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.371137][   T10]      netlink_unicast+0x449/0x710
[ 5889.371137][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.371137][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.371137][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.371137][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.371137][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.371137][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.371137][   T10] 
[ 5889.373039][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.373039][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.373039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.373039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.373039][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5889.373039][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5889.373039][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5889.373039][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5889.373039][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5889.373039][   T10]      addrconf_dad_begin+0x310/0x670
[ 5889.373039][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5889.373039][   T10]      process_one_work+0x84d/0x18a0
[ 5889.373039][   T10]      worker_thread+0x587/0xd30
[ 5889.373039][   T10]      kthread+0x28a/0x350
[ 5889.373039][   T10]      ret_from_fork+0x31/0x70
[ 5889.373039][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5889.373039][   T10] 
[ 5889.374951][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.374951][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.374951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.374951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.374951][   T10]      ip6_route_add+0x1c/0x140
[ 5889.374951][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5889.374951][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5889.374951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.374951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.374951][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.374951][   T10]      netlink_unicast+0x449/0x710
[ 5889.374951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.374951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.374951][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.374951][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.374951][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.374951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.374951][   T10] 
[ 5889.376946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.376946][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.376946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.376946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.376946][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5889.376946][   T10]      ipv6_add_addr+0x411/0x2000
[ 5889.376946][   T10]      inet6_addr_add+0x30e/0xa40
[ 5889.376946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.376946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.376946][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.376946][   T10]      netlink_unicast+0x449/0x710
[ 5889.376946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.376946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.376946][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.376946][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.376946][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.376946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.376946][   T10] 
[ 5889.378945][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.378945][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.378945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.378945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.378945][   T10]      ip6_route_add+0x1c/0x140
[ 5889.378945][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5889.378945][   T10]      addrconf_add_dev+0xe2/0x170
[ 5889.378945][   T10]      inet6_addr_add+0x12f/0xa40
[ 5889.378945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.378945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.378945][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.378945][   T10]      netlink_unicast+0x449/0x710
[ 5889.378945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.378945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.378945][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.378945][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.378945][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.378945][   T10] 
[ 5889.380905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.380905][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5889.380905][   T10]      ipv6_find_idev+0x102/0x170
[ 5889.380905][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5889.380905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.380905][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.380905][   T10]      netlink_unicast+0x449/0x710
[ 5889.380905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.380905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.380905][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.380905][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.380905][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.380905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.380905][   T10] 
[ 5889.382436][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5889.382436][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5889.382436][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5889.382436][   T10]      ipv6_find_idev+0x102/0x170
[ 5889.382436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5889.382436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.382436][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.382436][   T10]      netlink_unicast+0x449/0x710
[ 5889.382436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.382436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.382436][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.382436][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.382436][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.382436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.382436][   T10] 
[ 5889.384127][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5889.384371][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.384371][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5889.384371][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5889.384371][   T10]      fib6_nh_init+0xa22/0x1580
[ 5889.384371][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.384371][   T10]      ip6_route_add+0x1c/0x140
[ 5889.384371][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5889.384371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.384371][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.384371][   T10]      netlink_unicast+0x449/0x710
[ 5889.384371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.384371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.384371][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.384371][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.384371][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.384371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.384371][   T10] 
[ 5889.386249][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.386249][   T10]      dst_init+0x84/0x4a0
[ 5889.386249][   T10]      dst_alloc+0x97/0x150
[ 5889.386249][   T10]      ip6_dst_alloc+0x23/0x90
[ 5889.386249][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5889.386249][   T10]      ip6_pol_route+0x56f/0x840
[ 5889.386249][   T10]      fib6_rule_lookup+0x456/0x630
[ 5889.386249][   T10]      ip6_route_input+0x59c/0xa50
[ 5889.386249][   T10]      ipv6_rcv+0x397/0x810
[ 5889.386249][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5889.386249][   T10]      process_backlog+0x101/0x620
[ 5889.386249][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5889.386249][   T10]      net_rx_action+0x495/0xbe0
[ 5889.386249][   T10]      __do_softirq+0x1b5/0x7f6
[ 5889.386249][   T10] 
[ 5889.387878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.387878][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.387878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.387878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.387878][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5889.387878][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5889.387878][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5889.387878][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5889.387878][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5889.387878][   T10]      addrconf_dad_begin+0x310/0x670
[ 5889.387878][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5889.387878][   T10]      process_one_work+0x84d/0x18a0
[ 5889.387878][   T10]      worker_thread+0x587/0xd30
[ 5889.387878][   T10]      kthread+0x28a/0x350
[ 5889.387878][   T10]      ret_from_fork+0x31/0x70
[ 5889.387878][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5889.387878][   T10] 
[ 5889.389784][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.389784][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.389784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.389784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.389784][   T10]      ip6_route_add+0x1c/0x140
[ 5889.389784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5889.389784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5889.389784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.389784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.389784][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.389784][   T10]      netlink_unicast+0x449/0x710
[ 5889.389784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.389784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.389784][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.389784][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.389784][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.389784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.389784][   T10] 
[ 5889.391772][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.391772][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.391772][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.391772][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.391772][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5889.391772][   T10]      ipv6_add_addr+0x411/0x2000
[ 5889.391772][   T10]      inet6_addr_add+0x30e/0xa40
[ 5889.391772][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.391772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.391772][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.391772][   T10]      netlink_unicast+0x449/0x710
[ 5889.391772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.391772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.391772][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.391772][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.391772][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.391772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.391772][   T10] 
[ 5889.393764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.393764][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.393764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.393764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.393764][   T10]      ip6_route_add+0x1c/0x140
[ 5889.393764][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5889.393764][   T10]      addrconf_add_dev+0xe2/0x170
[ 5889.393764][   T10]      inet6_addr_add+0x12f/0xa40
[ 5889.393764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.393764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.393764][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.393764][   T10]      netlink_unicast+0x449/0x710
[ 5889.393764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.393764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.393764][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.393764][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.393764][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.393764][   T10] 
[ 5889.395920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.395920][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5889.395920][   T10]      ipv6_find_idev+0x102/0x170
[ 5889.395920][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5889.395920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.395920][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.395920][   T10]      netlink_unicast+0x449/0x710
[ 5889.395920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.395920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.395920][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.395920][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.395920][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.395920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.395920][   T10] 
[ 5889.397694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5889.397694][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5889.397694][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5889.397694][   T10]      ipv6_find_idev+0x102/0x170
[ 5889.397694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5889.397694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.397694][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.397694][   T10]      netlink_unicast+0x449/0x710
[ 5889.397694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.397694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.397694][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.397694][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.397694][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.397694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.397694][   T10] 
[ 5889.399567][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5889.399881][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5889.399881][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.399881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.399881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.399881][   T10]      ip6_route_add+0x1c/0x140
[ 5889.399881][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5889.399881][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5889.399881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.399881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.399881][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.399881][   T10]      netlink_unicast+0x449/0x710
[ 5889.399881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.399881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.399881][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.399881][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.399881][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.399881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.399881][   T10] 
[ 5889.402064][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5889.402064][   T10]      netdev_get_by_index+0x5e/0x80
[ 5889.402064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5889.402064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5889.402064][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5889.402064][   T10]      ipv6_add_addr+0x411/0x2000
[ 5889.402064][   T10]      inet6_addr_add+0x30e/0xa40
[ 5889.402064][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5889.402064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.402064][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.402064][   T10]      netlink_unicast+0x449/0x710
[ 5889.402064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.402064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.402064][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.402064][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.402064][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.402064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.402064][   T10] 
[ 5889.404774][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5889.404774][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5889.404774][   T10]      ipv6_find_idev+0x102/0x170
[ 5889.404774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5889.404774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.404774][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.404774][   T10]      netlink_unicast+0x449/0x710
[ 5889.404774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.404774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.404774][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.404774][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.404774][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.404774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.404774][   T10] 
[ 5889.406665][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5889.406665][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5889.406665][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5889.406665][   T10]      ipv6_find_idev+0x102/0x170
[ 5889.406665][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5889.406665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5889.406665][   T10]      netlink_rcv_skb+0x130/0x360
[ 5889.406665][   T10]      netlink_unicast+0x449/0x710
[ 5889.406665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5889.406665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5889.406665][   T10]      ___sys_sendmsg+0xee/0x170
[ 5889.406665][   T10]      __sys_sendmsg+0xcd/0x170
[ 5889.406665][   T10]      do_syscall_64+0xc6/0x1e0
[ 5889.406665][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5889.406665][   T10] 
[ 5899.440771][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5899.441439][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.441439][   T10]      dst_init+0x84/0x4a0
[ 5899.441439][   T10]      dst_alloc+0x97/0x150
[ 5899.441439][   T10]      ip6_dst_alloc+0x23/0x90
[ 5899.441439][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5899.441439][   T10]      ip6_pol_route+0x56f/0x840
[ 5899.441439][   T10]      fib6_rule_lookup+0x456/0x630
[ 5899.441439][   T10]      ip6_route_input+0x59c/0xa50
[ 5899.441439][   T10]      ipv6_rcv+0x397/0x810
[ 5899.441439][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5899.441439][   T10]      process_backlog+0x101/0x620
[ 5899.441439][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5899.441439][   T10]      net_rx_action+0x495/0xbe0
[ 5899.441439][   T10]      __do_softirq+0x1b5/0x7f6
[ 5899.441439][   T10] 
[ 5899.443062][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.443062][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5899.443062][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5899.443062][   T10]      fib6_nh_init+0xa22/0x1580
[ 5899.443062][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.443062][   T10]      ip6_route_add+0x1c/0x140
[ 5899.443062][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5899.443062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.443062][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.443062][   T10]      netlink_unicast+0x449/0x710
[ 5899.443062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.443062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.443062][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.443062][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.443062][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.443062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.443062][   T10] 
[ 5899.444913][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.444913][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.444913][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.444913][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.444913][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5899.444913][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5899.444913][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5899.444913][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5899.444913][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5899.444913][   T10]      addrconf_dad_begin+0x310/0x670
[ 5899.444913][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5899.444913][   T10]      process_one_work+0x84d/0x18a0
[ 5899.444913][   T10]      worker_thread+0x587/0xd30
[ 5899.444913][   T10]      kthread+0x28a/0x350
[ 5899.444913][   T10]      ret_from_fork+0x31/0x70
[ 5899.444913][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5899.444913][   T10] 
[ 5899.446837][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.446837][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.446837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.446837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.446837][   T10]      ip6_route_add+0x1c/0x140
[ 5899.446837][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5899.446837][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5899.446837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.446837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.446837][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.446837][   T10]      netlink_unicast+0x449/0x710
[ 5899.446837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.446837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.446837][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.446837][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.446837][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.446837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.446837][   T10] 
[ 5899.448844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.448844][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.448844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.448844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.448844][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5899.448844][   T10]      ipv6_add_addr+0x411/0x2000
[ 5899.448844][   T10]      inet6_addr_add+0x30e/0xa40
[ 5899.448844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.448844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.448844][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.448844][   T10]      netlink_unicast+0x449/0x710
[ 5899.448844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.448844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.448844][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.448844][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.448844][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.448844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.448844][   T10] 
[ 5899.450819][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.450819][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.450819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.450819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.450819][   T10]      ip6_route_add+0x1c/0x140
[ 5899.450819][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5899.450819][   T10]      addrconf_add_dev+0xe2/0x170
[ 5899.450819][   T10]      inet6_addr_add+0x12f/0xa40
[ 5899.450819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.450819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.450819][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.450819][   T10]      netlink_unicast+0x449/0x710
[ 5899.450819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.450819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.450819][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.450819][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.450819][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.450819][   T10] 
[ 5899.452725][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.452725][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5899.452725][   T10]      ipv6_find_idev+0x102/0x170
[ 5899.452725][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5899.452725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.452725][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.452725][   T10]      netlink_unicast+0x449/0x710
[ 5899.452725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.452725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.452725][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.452725][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.452725][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.452725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.452725][   T10] 
[ 5899.454242][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5899.454242][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5899.454242][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5899.454242][   T10]      ipv6_find_idev+0x102/0x170
[ 5899.454242][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5899.454242][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.454242][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.454242][   T10]      netlink_unicast+0x449/0x710
[ 5899.454242][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.454242][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.454242][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.454242][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.454242][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.454242][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.454242][   T10] 
[ 5899.455888][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5899.456149][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.456149][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5899.456149][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5899.456149][   T10]      fib6_nh_init+0xa22/0x1580
[ 5899.456149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.456149][   T10]      ip6_route_add+0x1c/0x140
[ 5899.456149][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5899.456149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.456149][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.456149][   T10]      netlink_unicast+0x449/0x710
[ 5899.456149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.456149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.456149][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.456149][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.456149][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.456149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.456149][   T10] 
[ 5899.458022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.458022][   T10]      dst_init+0x84/0x4a0
[ 5899.458022][   T10]      dst_alloc+0x97/0x150
[ 5899.458022][   T10]      ip6_dst_alloc+0x23/0x90
[ 5899.458022][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5899.458022][   T10]      ip6_pol_route+0x56f/0x840
[ 5899.458022][   T10]      fib6_rule_lookup+0x456/0x630
[ 5899.458022][   T10]      ip6_route_input+0x59c/0xa50
[ 5899.458022][   T10]      ipv6_rcv+0x397/0x810
[ 5899.458022][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5899.458022][   T10]      process_backlog+0x101/0x620
[ 5899.458022][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5899.458022][   T10]      net_rx_action+0x495/0xbe0
[ 5899.458022][   T10]      __do_softirq+0x1b5/0x7f6
[ 5899.458022][   T10] 
[ 5899.459701][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.459701][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.459701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.459701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.459701][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5899.459701][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5899.459701][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5899.459701][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5899.459701][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5899.459701][   T10]      addrconf_dad_begin+0x310/0x670
[ 5899.459701][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5899.459701][   T10]      process_one_work+0x84d/0x18a0
[ 5899.459701][   T10]      worker_thread+0x587/0xd30
[ 5899.459701][   T10]      kthread+0x28a/0x350
[ 5899.459701][   T10]      ret_from_fork+0x31/0x70
[ 5899.459701][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5899.459701][   T10] 
[ 5899.461556][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.461556][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.461556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.461556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.461556][   T10]      ip6_route_add+0x1c/0x140
[ 5899.461556][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5899.461556][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5899.461556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.461556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.461556][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.461556][   T10]      netlink_unicast+0x449/0x710
[ 5899.461556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.461556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.461556][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.461556][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.461556][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.461556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.461556][   T10] 
[ 5899.463487][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.463487][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.463487][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.463487][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.463487][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5899.463487][   T10]      ipv6_add_addr+0x411/0x2000
[ 5899.463487][   T10]      inet6_addr_add+0x30e/0xa40
[ 5899.463487][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.463487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.463487][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.463487][   T10]      netlink_unicast+0x449/0x710
[ 5899.463487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.463487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.463487][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.463487][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.463487][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.463487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.463487][   T10] 
[ 5899.465430][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.465430][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.465430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.465430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.465430][   T10]      ip6_route_add+0x1c/0x140
[ 5899.465430][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5899.465430][   T10]      addrconf_add_dev+0xe2/0x170
[ 5899.465430][   T10]      inet6_addr_add+0x12f/0xa40
[ 5899.465430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.465430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.465430][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.465430][   T10]      netlink_unicast+0x449/0x710
[ 5899.465430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.465430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.465430][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.465430][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.465430][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.465430][   T10] 
[ 5899.467530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.467530][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5899.467530][   T10]      ipv6_find_idev+0x102/0x170
[ 5899.467530][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5899.467530][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.467530][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.467530][   T10]      netlink_unicast+0x449/0x710
[ 5899.467530][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.467530][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.467530][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.467530][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.467530][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.467530][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.467530][   T10] 
[ 5899.469254][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5899.469254][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5899.469254][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5899.469254][   T10]      ipv6_find_idev+0x102/0x170
[ 5899.469254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5899.469254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.469254][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.469254][   T10]      netlink_unicast+0x449/0x710
[ 5899.469254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.469254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.469254][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.469254][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.469254][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.469254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.469254][   T10] 
[ 5899.471175][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5899.471424][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5899.471424][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.471424][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.471424][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.471424][   T10]      ip6_route_add+0x1c/0x140
[ 5899.471424][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5899.471424][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5899.471424][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.471424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.471424][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.471424][   T10]      netlink_unicast+0x449/0x710
[ 5899.471424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.471424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.471424][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.471424][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.471424][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.471424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.471424][   T10] 
[ 5899.473633][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5899.473633][   T10]      netdev_get_by_index+0x5e/0x80
[ 5899.473633][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5899.473633][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5899.473633][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5899.473633][   T10]      ipv6_add_addr+0x411/0x2000
[ 5899.473633][   T10]      inet6_addr_add+0x30e/0xa40
[ 5899.473633][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5899.473633][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.473633][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.473633][   T10]      netlink_unicast+0x449/0x710
[ 5899.473633][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.473633][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.473633][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.473633][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.473633][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.473633][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.473633][   T10] 
[ 5899.475764][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5899.475764][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5899.475764][   T10]      ipv6_find_idev+0x102/0x170
[ 5899.475764][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5899.475764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.475764][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.475764][   T10]      netlink_unicast+0x449/0x710
[ 5899.475764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.475764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.475764][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.475764][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.475764][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.475764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.475764][   T10] 
[ 5899.477463][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5899.477463][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5899.477463][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5899.477463][   T10]      ipv6_find_idev+0x102/0x170
[ 5899.477463][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5899.477463][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5899.477463][   T10]      netlink_rcv_skb+0x130/0x360
[ 5899.477463][   T10]      netlink_unicast+0x449/0x710
[ 5899.477463][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5899.477463][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5899.477463][   T10]      ___sys_sendmsg+0xee/0x170
[ 5899.477463][   T10]      __sys_sendmsg+0xcd/0x170
[ 5899.477463][   T10]      do_syscall_64+0xc6/0x1e0
[ 5899.477463][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5899.477463][   T10] 
[ 5909.728710][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5909.729291][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.729291][   T10]      dst_init+0x84/0x4a0
[ 5909.729291][   T10]      dst_alloc+0x97/0x150
[ 5909.729291][   T10]      ip6_dst_alloc+0x23/0x90
[ 5909.729291][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5909.729291][   T10]      ip6_pol_route+0x56f/0x840
[ 5909.729291][   T10]      fib6_rule_lookup+0x456/0x630
[ 5909.729291][   T10]      ip6_route_input+0x59c/0xa50
[ 5909.729291][   T10]      ipv6_rcv+0x397/0x810
[ 5909.729291][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5909.729291][   T10]      process_backlog+0x101/0x620
[ 5909.729291][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5909.729291][   T10]      net_rx_action+0x495/0xbe0
[ 5909.729291][   T10]      __do_softirq+0x1b5/0x7f6
[ 5909.729291][   T10] 
[ 5909.730931][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.730931][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5909.730931][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5909.730931][   T10]      fib6_nh_init+0xa22/0x1580
[ 5909.730931][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.730931][   T10]      ip6_route_add+0x1c/0x140
[ 5909.730931][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5909.730931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.730931][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.730931][   T10]      netlink_unicast+0x449/0x710
[ 5909.730931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.730931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.730931][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.730931][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.730931][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.730931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.730931][   T10] 
[ 5909.732843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.732843][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.732843][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.732843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.732843][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5909.732843][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5909.732843][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5909.732843][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5909.732843][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5909.732843][   T10]      addrconf_dad_begin+0x310/0x670
[ 5909.732843][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5909.732843][   T10]      process_one_work+0x84d/0x18a0
[ 5909.732843][   T10]      worker_thread+0x587/0xd30
[ 5909.732843][   T10]      kthread+0x28a/0x350
[ 5909.732843][   T10]      ret_from_fork+0x31/0x70
[ 5909.732843][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5909.732843][   T10] 
[ 5909.734745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.734745][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.734745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.734745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.734745][   T10]      ip6_route_add+0x1c/0x140
[ 5909.734745][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5909.734745][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5909.734745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.734745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.734745][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.734745][   T10]      netlink_unicast+0x449/0x710
[ 5909.734745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.734745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.734745][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.734745][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.734745][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.734745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.734745][   T10] 
[ 5909.736732][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.736732][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.736732][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.736732][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.736732][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5909.736732][   T10]      ipv6_add_addr+0x411/0x2000
[ 5909.736732][   T10]      inet6_addr_add+0x30e/0xa40
[ 5909.736732][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.736732][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.736732][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.736732][   T10]      netlink_unicast+0x449/0x710
[ 5909.736732][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.736732][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.736732][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.736732][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.736732][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.736732][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.736732][   T10] 
[ 5909.738736][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.738736][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.738736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.738736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.738736][   T10]      ip6_route_add+0x1c/0x140
[ 5909.738736][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5909.738736][   T10]      addrconf_add_dev+0xe2/0x170
[ 5909.738736][   T10]      inet6_addr_add+0x12f/0xa40
[ 5909.738736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.738736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.738736][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.738736][   T10]      netlink_unicast+0x449/0x710
[ 5909.738736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.738736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.738736][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.738736][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.738736][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.738736][   T10] 
[ 5909.740711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.740711][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5909.740711][   T10]      ipv6_find_idev+0x102/0x170
[ 5909.740711][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5909.740711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.740711][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.740711][   T10]      netlink_unicast+0x449/0x710
[ 5909.740711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.740711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.740711][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.740711][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.740711][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.740711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.740711][   T10] 
[ 5909.742272][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5909.742272][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5909.742272][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5909.742272][   T10]      ipv6_find_idev+0x102/0x170
[ 5909.742272][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5909.742272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.742272][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.742272][   T10]      netlink_unicast+0x449/0x710
[ 5909.742272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.742272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.742272][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.742272][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.742272][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.742272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.742272][   T10] 
[ 5909.743963][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5909.744205][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.744205][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5909.744205][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5909.744205][   T10]      fib6_nh_init+0xa22/0x1580
[ 5909.744205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.744205][   T10]      ip6_route_add+0x1c/0x140
[ 5909.744205][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5909.744205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.744205][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.744205][   T10]      netlink_unicast+0x449/0x710
[ 5909.744205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.744205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.744205][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.744205][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.744205][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.744205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.744205][   T10] 
[ 5909.746075][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.746075][   T10]      dst_init+0x84/0x4a0
[ 5909.746075][   T10]      dst_alloc+0x97/0x150
[ 5909.746075][   T10]      ip6_dst_alloc+0x23/0x90
[ 5909.746075][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5909.746075][   T10]      ip6_pol_route+0x56f/0x840
[ 5909.746075][   T10]      fib6_rule_lookup+0x456/0x630
[ 5909.746075][   T10]      ip6_route_input+0x59c/0xa50
[ 5909.746075][   T10]      ipv6_rcv+0x397/0x810
[ 5909.746075][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5909.746075][   T10]      process_backlog+0x101/0x620
[ 5909.746075][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5909.746075][   T10]      net_rx_action+0x495/0xbe0
[ 5909.746075][   T10]      __do_softirq+0x1b5/0x7f6
[ 5909.746075][   T10] 
[ 5909.747693][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.747693][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.747693][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.747693][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.747693][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5909.747693][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5909.747693][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5909.747693][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5909.747693][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5909.747693][   T10]      addrconf_dad_begin+0x310/0x670
[ 5909.747693][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5909.747693][   T10]      process_one_work+0x84d/0x18a0
[ 5909.747693][   T10]      worker_thread+0x587/0xd30
[ 5909.747693][   T10]      kthread+0x28a/0x350
[ 5909.747693][   T10]      ret_from_fork+0x31/0x70
[ 5909.747693][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5909.747693][   T10] 
[ 5909.749599][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.749599][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.749599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.749599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.749599][   T10]      ip6_route_add+0x1c/0x140
[ 5909.749599][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5909.749599][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5909.749599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.749599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.749599][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.749599][   T10]      netlink_unicast+0x449/0x710
[ 5909.749599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.749599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.749599][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.749599][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.749599][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.749599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.749599][   T10] 
[ 5909.751589][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.751589][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.751589][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.751589][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.751589][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5909.751589][   T10]      ipv6_add_addr+0x411/0x2000
[ 5909.751589][   T10]      inet6_addr_add+0x30e/0xa40
[ 5909.751589][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.751589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.751589][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.751589][   T10]      netlink_unicast+0x449/0x710
[ 5909.751589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.751589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.751589][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.751589][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.751589][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.751589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.751589][   T10] 
[ 5909.753574][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.753574][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.753574][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.753574][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.753574][   T10]      ip6_route_add+0x1c/0x140
[ 5909.753574][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5909.753574][   T10]      addrconf_add_dev+0xe2/0x170
[ 5909.753574][   T10]      inet6_addr_add+0x12f/0xa40
[ 5909.753574][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.753574][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.753574][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.753574][   T10]      netlink_unicast+0x449/0x710
[ 5909.753574][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.753574][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.753574][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.753574][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.753574][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.753574][   T10] 
[ 5909.755620][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.755620][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5909.755620][   T10]      ipv6_find_idev+0x102/0x170
[ 5909.755620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5909.755620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.755620][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.755620][   T10]      netlink_unicast+0x449/0x710
[ 5909.755620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.755620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.755620][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.755620][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.755620][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.755620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.755620][   T10] 
[ 5909.757265][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5909.757265][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5909.757265][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5909.757265][   T10]      ipv6_find_idev+0x102/0x170
[ 5909.757265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5909.757265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.757265][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.757265][   T10]      netlink_unicast+0x449/0x710
[ 5909.757265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.757265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.757265][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.757265][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.757265][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.757265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.757265][   T10] 
[ 5909.759092][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5909.759338][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5909.759338][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.759338][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.759338][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.759338][   T10]      ip6_route_add+0x1c/0x140
[ 5909.759338][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5909.759338][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5909.759338][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.759338][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.759338][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.759338][   T10]      netlink_unicast+0x449/0x710
[ 5909.759338][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.759338][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.759338][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.759338][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.759338][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.759338][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.759338][   T10] 
[ 5909.761476][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5909.761476][   T10]      netdev_get_by_index+0x5e/0x80
[ 5909.761476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5909.761476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5909.761476][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5909.761476][   T10]      ipv6_add_addr+0x411/0x2000
[ 5909.761476][   T10]      inet6_addr_add+0x30e/0xa40
[ 5909.761476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5909.761476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.761476][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.761476][   T10]      netlink_unicast+0x449/0x710
[ 5909.761476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.761476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.761476][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.761476][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.761476][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.761476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.761476][   T10] 
[ 5909.763618][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5909.763618][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5909.763618][   T10]      ipv6_find_idev+0x102/0x170
[ 5909.763618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5909.763618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.763618][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.763618][   T10]      netlink_unicast+0x449/0x710
[ 5909.763618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.763618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.763618][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.763618][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.763618][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.763618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.763618][   T10] 
[ 5909.765323][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5909.765323][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5909.765323][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5909.765323][   T10]      ipv6_find_idev+0x102/0x170
[ 5909.765323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5909.765323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5909.765323][   T10]      netlink_rcv_skb+0x130/0x360
[ 5909.765323][   T10]      netlink_unicast+0x449/0x710
[ 5909.765323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5909.765323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5909.765323][   T10]      ___sys_sendmsg+0xee/0x170
[ 5909.765323][   T10]      __sys_sendmsg+0xcd/0x170
[ 5909.765323][   T10]      do_syscall_64+0xc6/0x1e0
[ 5909.765323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5909.765323][   T10] 
[ 5920.016775][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5920.017447][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.017447][   T10]      dst_init+0x84/0x4a0
[ 5920.017447][   T10]      dst_alloc+0x97/0x150
[ 5920.017447][   T10]      ip6_dst_alloc+0x23/0x90
[ 5920.017447][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5920.017447][   T10]      ip6_pol_route+0x56f/0x840
[ 5920.017447][   T10]      fib6_rule_lookup+0x456/0x630
[ 5920.017447][   T10]      ip6_route_input+0x59c/0xa50
[ 5920.017447][   T10]      ipv6_rcv+0x397/0x810
[ 5920.017447][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5920.017447][   T10]      process_backlog+0x101/0x620
[ 5920.017447][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5920.017447][   T10]      net_rx_action+0x495/0xbe0
[ 5920.017447][   T10]      __do_softirq+0x1b5/0x7f6
[ 5920.017447][   T10] 
[ 5920.019112][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.019112][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5920.019112][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5920.019112][   T10]      fib6_nh_init+0xa22/0x1580
[ 5920.019112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.019112][   T10]      ip6_route_add+0x1c/0x140
[ 5920.019112][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5920.019112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.019112][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.019112][   T10]      netlink_unicast+0x449/0x710
[ 5920.019112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.019112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.019112][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.019112][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.019112][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.019112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.019112][   T10] 
[ 5920.021000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.021000][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.021000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.021000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.021000][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5920.021000][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5920.021000][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5920.021000][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5920.021000][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5920.021000][   T10]      addrconf_dad_begin+0x310/0x670
[ 5920.021000][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5920.021000][   T10]      process_one_work+0x84d/0x18a0
[ 5920.021000][   T10]      worker_thread+0x587/0xd30
[ 5920.021000][   T10]      kthread+0x28a/0x350
[ 5920.021000][   T10]      ret_from_fork+0x31/0x70
[ 5920.021000][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5920.021000][   T10] 
[ 5920.022897][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.022897][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.022897][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.022897][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.022897][   T10]      ip6_route_add+0x1c/0x140
[ 5920.022897][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5920.022897][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5920.022897][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.022897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.022897][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.022897][   T10]      netlink_unicast+0x449/0x710
[ 5920.022897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.022897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.022897][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.022897][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.022897][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.022897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.022897][   T10] 
[ 5920.024932][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.024932][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.024932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.024932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.024932][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5920.024932][   T10]      ipv6_add_addr+0x411/0x2000
[ 5920.024932][   T10]      inet6_addr_add+0x30e/0xa40
[ 5920.024932][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.024932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.024932][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.024932][   T10]      netlink_unicast+0x449/0x710
[ 5920.024932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.024932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.024932][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.024932][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.024932][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.024932][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.024932][   T10] 
[ 5920.026930][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.026930][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.026930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.026930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.026930][   T10]      ip6_route_add+0x1c/0x140
[ 5920.026930][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5920.026930][   T10]      addrconf_add_dev+0xe2/0x170
[ 5920.026930][   T10]      inet6_addr_add+0x12f/0xa40
[ 5920.026930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.026930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.026930][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.026930][   T10]      netlink_unicast+0x449/0x710
[ 5920.026930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.026930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.026930][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.026930][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.026930][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.026930][   T10] 
[ 5920.028885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.028885][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5920.028885][   T10]      ipv6_find_idev+0x102/0x170
[ 5920.028885][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5920.028885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.028885][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.028885][   T10]      netlink_unicast+0x449/0x710
[ 5920.028885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.028885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.028885][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.028885][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.028885][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.028885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.028885][   T10] 
[ 5920.030395][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5920.030395][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5920.030395][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5920.030395][   T10]      ipv6_find_idev+0x102/0x170
[ 5920.030395][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5920.030395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.030395][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.030395][   T10]      netlink_unicast+0x449/0x710
[ 5920.030395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.030395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.030395][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.030395][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.030395][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.030395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.030395][   T10] 
[ 5920.032085][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5920.032326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.032326][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5920.032326][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5920.032326][   T10]      fib6_nh_init+0xa22/0x1580
[ 5920.032326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.032326][   T10]      ip6_route_add+0x1c/0x140
[ 5920.032326][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5920.032326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.032326][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.032326][   T10]      netlink_unicast+0x449/0x710
[ 5920.032326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.032326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.032326][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.032326][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.032326][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.032326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.032326][   T10] 
[ 5920.034165][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.034165][   T10]      dst_init+0x84/0x4a0
[ 5920.034165][   T10]      dst_alloc+0x97/0x150
[ 5920.034165][   T10]      ip6_dst_alloc+0x23/0x90
[ 5920.034165][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5920.034165][   T10]      ip6_pol_route+0x56f/0x840
[ 5920.034165][   T10]      fib6_rule_lookup+0x456/0x630
[ 5920.034165][   T10]      ip6_route_input+0x59c/0xa50
[ 5920.034165][   T10]      ipv6_rcv+0x397/0x810
[ 5920.034165][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5920.034165][   T10]      process_backlog+0x101/0x620
[ 5920.034165][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5920.034165][   T10]      net_rx_action+0x495/0xbe0
[ 5920.034165][   T10]      __do_softirq+0x1b5/0x7f6
[ 5920.034165][   T10] 
[ 5920.035747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.035747][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.035747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.035747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.035747][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5920.035747][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5920.035747][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5920.035747][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5920.035747][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5920.035747][   T10]      addrconf_dad_begin+0x310/0x670
[ 5920.035747][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5920.035747][   T10]      process_one_work+0x84d/0x18a0
[ 5920.035747][   T10]      worker_thread+0x587/0xd30
[ 5920.035747][   T10]      kthread+0x28a/0x350
[ 5920.035747][   T10]      ret_from_fork+0x31/0x70
[ 5920.035747][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5920.035747][   T10] 
[ 5920.037660][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.037660][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.037660][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.037660][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.037660][   T10]      ip6_route_add+0x1c/0x140
[ 5920.037660][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5920.037660][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5920.037660][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.037660][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.037660][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.037660][   T10]      netlink_unicast+0x449/0x710
[ 5920.037660][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.037660][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.037660][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.037660][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.037660][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.037660][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.037660][   T10] 
[ 5920.039637][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.039637][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.039637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.039637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.039637][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5920.039637][   T10]      ipv6_add_addr+0x411/0x2000
[ 5920.039637][   T10]      inet6_addr_add+0x30e/0xa40
[ 5920.039637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.039637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.039637][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.039637][   T10]      netlink_unicast+0x449/0x710
[ 5920.039637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.039637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.039637][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.039637][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.039637][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.039637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.039637][   T10] 
[ 5920.041603][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.041603][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.041603][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.041603][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.041603][   T10]      ip6_route_add+0x1c/0x140
[ 5920.041603][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5920.041603][   T10]      addrconf_add_dev+0xe2/0x170
[ 5920.041603][   T10]      inet6_addr_add+0x12f/0xa40
[ 5920.041603][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.041603][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.041603][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.041603][   T10]      netlink_unicast+0x449/0x710
[ 5920.041603][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.041603][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.041603][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.041603][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.041603][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.041603][   T10] 
[ 5920.043675][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.043675][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5920.043675][   T10]      ipv6_find_idev+0x102/0x170
[ 5920.043675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5920.043675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.043675][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.043675][   T10]      netlink_unicast+0x449/0x710
[ 5920.043675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.043675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.043675][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.043675][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.043675][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.043675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.043675][   T10] 
[ 5920.045363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5920.045363][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5920.045363][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5920.045363][   T10]      ipv6_find_idev+0x102/0x170
[ 5920.045363][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5920.045363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.045363][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.045363][   T10]      netlink_unicast+0x449/0x710
[ 5920.045363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.045363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.045363][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.045363][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.045363][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.045363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.045363][   T10] 
[ 5920.047290][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5920.047608][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5920.047608][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.047608][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.047608][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.047608][   T10]      ip6_route_add+0x1c/0x140
[ 5920.047608][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5920.047608][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5920.047608][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.047608][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.047608][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.047608][   T10]      netlink_unicast+0x449/0x710
[ 5920.047608][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.047608][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.047608][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.047608][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.047608][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.047608][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.047608][   T10] 
[ 5920.049820][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5920.049820][   T10]      netdev_get_by_index+0x5e/0x80
[ 5920.049820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5920.049820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5920.049820][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5920.049820][   T10]      ipv6_add_addr+0x411/0x2000
[ 5920.049820][   T10]      inet6_addr_add+0x30e/0xa40
[ 5920.049820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5920.049820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.049820][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.049820][   T10]      netlink_unicast+0x449/0x710
[ 5920.049820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.049820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.049820][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.049820][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.049820][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.049820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.049820][   T10] 
[ 5920.052535][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5920.052535][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5920.052535][   T10]      ipv6_find_idev+0x102/0x170
[ 5920.052535][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5920.052535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.052535][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.052535][   T10]      netlink_unicast+0x449/0x710
[ 5920.052535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.052535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.052535][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.052535][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.052535][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.052535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.052535][   T10] 
[ 5920.054254][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5920.054254][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5920.054254][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5920.054254][   T10]      ipv6_find_idev+0x102/0x170
[ 5920.054254][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5920.054254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5920.054254][   T10]      netlink_rcv_skb+0x130/0x360
[ 5920.054254][   T10]      netlink_unicast+0x449/0x710
[ 5920.054254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5920.054254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5920.054254][   T10]      ___sys_sendmsg+0xee/0x170
[ 5920.054254][   T10]      __sys_sendmsg+0xcd/0x170
[ 5920.054254][   T10]      do_syscall_64+0xc6/0x1e0
[ 5920.054254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5920.054254][   T10] 
[ 5930.304744][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5930.305138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.305138][   T10]      dst_init+0x84/0x4a0
[ 5930.305138][   T10]      dst_alloc+0x97/0x150
[ 5930.305138][   T10]      ip6_dst_alloc+0x23/0x90
[ 5930.305138][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5930.305138][   T10]      ip6_pol_route+0x56f/0x840
[ 5930.305138][   T10]      fib6_rule_lookup+0x456/0x630
[ 5930.305138][   T10]      ip6_route_input+0x59c/0xa50
[ 5930.305138][   T10]      ipv6_rcv+0x397/0x810
[ 5930.305138][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5930.305138][   T10]      process_backlog+0x101/0x620
[ 5930.305138][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5930.305138][   T10]      net_rx_action+0x495/0xbe0
[ 5930.305138][   T10]      __do_softirq+0x1b5/0x7f6
[ 5930.305138][   T10] 
[ 5930.306796][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.306796][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5930.306796][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5930.306796][   T10]      fib6_nh_init+0xa22/0x1580
[ 5930.306796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.306796][   T10]      ip6_route_add+0x1c/0x140
[ 5930.306796][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5930.306796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.306796][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.306796][   T10]      netlink_unicast+0x449/0x710
[ 5930.306796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.306796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.306796][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.306796][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.306796][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.306796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.306796][   T10] 
[ 5930.308690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.308690][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.308690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.308690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.308690][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5930.308690][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5930.308690][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5930.308690][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5930.308690][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5930.308690][   T10]      addrconf_dad_begin+0x310/0x670
[ 5930.308690][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5930.308690][   T10]      process_one_work+0x84d/0x18a0
[ 5930.308690][   T10]      worker_thread+0x587/0xd30
[ 5930.308690][   T10]      kthread+0x28a/0x350
[ 5930.308690][   T10]      ret_from_fork+0x31/0x70
[ 5930.308690][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5930.308690][   T10] 
[ 5930.310602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.310602][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.310602][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.310602][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.310602][   T10]      ip6_route_add+0x1c/0x140
[ 5930.310602][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5930.310602][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5930.310602][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.310602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.310602][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.310602][   T10]      netlink_unicast+0x449/0x710
[ 5930.310602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.310602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.310602][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.310602][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.310602][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.310602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.310602][   T10] 
[ 5930.312597][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.312597][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.312597][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.312597][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.312597][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5930.312597][   T10]      ipv6_add_addr+0x411/0x2000
[ 5930.312597][   T10]      inet6_addr_add+0x30e/0xa40
[ 5930.312597][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.312597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.312597][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.312597][   T10]      netlink_unicast+0x449/0x710
[ 5930.312597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.312597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.312597][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.312597][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.312597][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.312597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.312597][   T10] 
[ 5930.314611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.314611][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.314611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.314611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.314611][   T10]      ip6_route_add+0x1c/0x140
[ 5930.314611][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5930.314611][   T10]      addrconf_add_dev+0xe2/0x170
[ 5930.314611][   T10]      inet6_addr_add+0x12f/0xa40
[ 5930.314611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.314611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.314611][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.314611][   T10]      netlink_unicast+0x449/0x710
[ 5930.314611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.314611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.314611][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.314611][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.314611][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.314611][   T10] 
[ 5930.316578][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.316578][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5930.316578][   T10]      ipv6_find_idev+0x102/0x170
[ 5930.316578][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5930.316578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.316578][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.316578][   T10]      netlink_unicast+0x449/0x710
[ 5930.316578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.316578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.316578][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.316578][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.316578][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.316578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.316578][   T10] 
[ 5930.318115][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5930.318115][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5930.318115][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5930.318115][   T10]      ipv6_find_idev+0x102/0x170
[ 5930.318115][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5930.318115][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.318115][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.318115][   T10]      netlink_unicast+0x449/0x710
[ 5930.318115][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.318115][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.318115][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.318115][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.318115][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.318115][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.318115][   T10] 
[ 5930.319809][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5930.320050][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.320050][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5930.320050][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5930.320050][   T10]      fib6_nh_init+0xa22/0x1580
[ 5930.320050][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.320050][   T10]      ip6_route_add+0x1c/0x140
[ 5930.320050][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5930.320050][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.320050][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.320050][   T10]      netlink_unicast+0x449/0x710
[ 5930.320050][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.320050][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.320050][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.320050][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.320050][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.320050][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.320050][   T10] 
[ 5930.321928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.321928][   T10]      dst_init+0x84/0x4a0
[ 5930.321928][   T10]      dst_alloc+0x97/0x150
[ 5930.321928][   T10]      ip6_dst_alloc+0x23/0x90
[ 5930.321928][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5930.321928][   T10]      ip6_pol_route+0x56f/0x840
[ 5930.321928][   T10]      fib6_rule_lookup+0x456/0x630
[ 5930.321928][   T10]      ip6_route_input+0x59c/0xa50
[ 5930.321928][   T10]      ipv6_rcv+0x397/0x810
[ 5930.321928][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5930.321928][   T10]      process_backlog+0x101/0x620
[ 5930.321928][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5930.321928][   T10]      net_rx_action+0x495/0xbe0
[ 5930.321928][   T10]      __do_softirq+0x1b5/0x7f6
[ 5930.321928][   T10] 
[ 5930.323556][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.323556][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.323556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.323556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.323556][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5930.323556][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5930.323556][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5930.323556][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5930.323556][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5930.323556][   T10]      addrconf_dad_begin+0x310/0x670
[ 5930.323556][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5930.323556][   T10]      process_one_work+0x84d/0x18a0
[ 5930.323556][   T10]      worker_thread+0x587/0xd30
[ 5930.323556][   T10]      kthread+0x28a/0x350
[ 5930.323556][   T10]      ret_from_fork+0x31/0x70
[ 5930.323556][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5930.323556][   T10] 
[ 5930.325456][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.325456][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.325456][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.325456][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.325456][   T10]      ip6_route_add+0x1c/0x140
[ 5930.325456][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5930.325456][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5930.325456][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.325456][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.325456][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.325456][   T10]      netlink_unicast+0x449/0x710
[ 5930.325456][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.325456][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.325456][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.325456][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.325456][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.325456][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.325456][   T10] 
[ 5930.327450][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.327450][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.327450][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.327450][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.327450][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5930.327450][   T10]      ipv6_add_addr+0x411/0x2000
[ 5930.327450][   T10]      inet6_addr_add+0x30e/0xa40
[ 5930.327450][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.327450][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.327450][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.327450][   T10]      netlink_unicast+0x449/0x710
[ 5930.327450][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.327450][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.327450][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.327450][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.327450][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.327450][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.327450][   T10] 
[ 5930.329443][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.329443][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.329443][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.329443][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.329443][   T10]      ip6_route_add+0x1c/0x140
[ 5930.329443][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5930.329443][   T10]      addrconf_add_dev+0xe2/0x170
[ 5930.329443][   T10]      inet6_addr_add+0x12f/0xa40
[ 5930.329443][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.329443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.329443][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.329443][   T10]      netlink_unicast+0x449/0x710
[ 5930.329443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.329443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.329443][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.329443][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.329443][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.329443][   T10] 
[ 5930.331524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.331524][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5930.331524][   T10]      ipv6_find_idev+0x102/0x170
[ 5930.331524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5930.331524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.331524][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.331524][   T10]      netlink_unicast+0x449/0x710
[ 5930.331524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.331524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.331524][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.331524][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.331524][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.331524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.331524][   T10] 
[ 5930.333303][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5930.333303][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5930.333303][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5930.333303][   T10]      ipv6_find_idev+0x102/0x170
[ 5930.333303][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5930.333303][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.333303][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.333303][   T10]      netlink_unicast+0x449/0x710
[ 5930.333303][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.333303][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.333303][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.333303][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.333303][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.333303][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.333303][   T10] 
[ 5930.335169][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5930.335471][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5930.335471][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.335471][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.335471][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.335471][   T10]      ip6_route_add+0x1c/0x140
[ 5930.335471][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5930.335471][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5930.335471][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.335471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.335471][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.335471][   T10]      netlink_unicast+0x449/0x710
[ 5930.335471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.335471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.335471][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.335471][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.335471][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.335471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.335471][   T10] 
[ 5930.337648][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5930.337648][   T10]      netdev_get_by_index+0x5e/0x80
[ 5930.337648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5930.337648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5930.337648][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5930.337648][   T10]      ipv6_add_addr+0x411/0x2000
[ 5930.337648][   T10]      inet6_addr_add+0x30e/0xa40
[ 5930.337648][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5930.337648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.337648][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.337648][   T10]      netlink_unicast+0x449/0x710
[ 5930.337648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.337648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.337648][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.337648][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.337648][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.337648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.337648][   T10] 
[ 5930.339832][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5930.339832][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5930.339832][   T10]      ipv6_find_idev+0x102/0x170
[ 5930.339832][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5930.339832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.339832][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.339832][   T10]      netlink_unicast+0x449/0x710
[ 5930.339832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.339832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.339832][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.339832][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.339832][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.339832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.339832][   T10] 
[ 5930.341554][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5930.341554][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5930.341554][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5930.341554][   T10]      ipv6_find_idev+0x102/0x170
[ 5930.341554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5930.341554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5930.341554][   T10]      netlink_rcv_skb+0x130/0x360
[ 5930.341554][   T10]      netlink_unicast+0x449/0x710
[ 5930.341554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5930.341554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5930.341554][   T10]      ___sys_sendmsg+0xee/0x170
[ 5930.341554][   T10]      __sys_sendmsg+0xcd/0x170
[ 5930.341554][   T10]      do_syscall_64+0xc6/0x1e0
[ 5930.341554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5930.341554][   T10] 
[ 5940.592789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5940.593520][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.593520][   T10]      dst_init+0x84/0x4a0
[ 5940.593520][   T10]      dst_alloc+0x97/0x150
[ 5940.593520][   T10]      ip6_dst_alloc+0x23/0x90
[ 5940.593520][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5940.593520][   T10]      ip6_pol_route+0x56f/0x840
[ 5940.593520][   T10]      fib6_rule_lookup+0x456/0x630
[ 5940.593520][   T10]      ip6_route_input+0x59c/0xa50
[ 5940.593520][   T10]      ipv6_rcv+0x397/0x810
[ 5940.593520][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5940.593520][   T10]      process_backlog+0x101/0x620
[ 5940.593520][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5940.593520][   T10]      net_rx_action+0x495/0xbe0
[ 5940.593520][   T10]      __do_softirq+0x1b5/0x7f6
[ 5940.593520][   T10] 
[ 5940.595169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.595169][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5940.595169][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5940.595169][   T10]      fib6_nh_init+0xa22/0x1580
[ 5940.595169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.595169][   T10]      ip6_route_add+0x1c/0x140
[ 5940.595169][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5940.595169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.595169][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.595169][   T10]      netlink_unicast+0x449/0x710
[ 5940.595169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.595169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.595169][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.595169][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.595169][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.595169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.595169][   T10] 
[ 5940.597022][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.597022][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.597022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.597022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.597022][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5940.597022][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5940.597022][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5940.597022][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5940.597022][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5940.597022][   T10]      addrconf_dad_begin+0x310/0x670
[ 5940.597022][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5940.597022][   T10]      process_one_work+0x84d/0x18a0
[ 5940.597022][   T10]      worker_thread+0x587/0xd30
[ 5940.597022][   T10]      kthread+0x28a/0x350
[ 5940.597022][   T10]      ret_from_fork+0x31/0x70
[ 5940.597022][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5940.597022][   T10] 
[ 5940.598911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.598911][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.598911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.598911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.598911][   T10]      ip6_route_add+0x1c/0x140
[ 5940.598911][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5940.598911][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5940.598911][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.598911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.598911][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.598911][   T10]      netlink_unicast+0x449/0x710
[ 5940.598911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.598911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.598911][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.598911][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.598911][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.598911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.598911][   T10] 
[ 5940.600859][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.600859][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.600859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.600859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.600859][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5940.600859][   T10]      ipv6_add_addr+0x411/0x2000
[ 5940.600859][   T10]      inet6_addr_add+0x30e/0xa40
[ 5940.600859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.600859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.600859][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.600859][   T10]      netlink_unicast+0x449/0x710
[ 5940.600859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.600859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.600859][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.600859][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.600859][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.600859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.600859][   T10] 
[ 5940.602809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.602809][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.602809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.602809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.602809][   T10]      ip6_route_add+0x1c/0x140
[ 5940.602809][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5940.602809][   T10]      addrconf_add_dev+0xe2/0x170
[ 5940.602809][   T10]      inet6_addr_add+0x12f/0xa40
[ 5940.602809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.602809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.602809][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.602809][   T10]      netlink_unicast+0x449/0x710
[ 5940.602809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.602809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.602809][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.602809][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.602809][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.602809][   T10] 
[ 5940.604787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.604787][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5940.604787][   T10]      ipv6_find_idev+0x102/0x170
[ 5940.604787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5940.604787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.604787][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.604787][   T10]      netlink_unicast+0x449/0x710
[ 5940.604787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.604787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.604787][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.604787][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.604787][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.604787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.604787][   T10] 
[ 5940.606318][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5940.606318][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5940.606318][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5940.606318][   T10]      ipv6_find_idev+0x102/0x170
[ 5940.606318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5940.606318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.606318][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.606318][   T10]      netlink_unicast+0x449/0x710
[ 5940.606318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.606318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.606318][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.606318][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.606318][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.606318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.606318][   T10] 
[ 5940.608011][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5940.608254][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.608254][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5940.608254][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5940.608254][   T10]      fib6_nh_init+0xa22/0x1580
[ 5940.608254][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.608254][   T10]      ip6_route_add+0x1c/0x140
[ 5940.608254][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5940.608254][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.608254][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.608254][   T10]      netlink_unicast+0x449/0x710
[ 5940.608254][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.608254][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.608254][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.608254][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.608254][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.608254][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.608254][   T10] 
[ 5940.610142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.610142][   T10]      dst_init+0x84/0x4a0
[ 5940.610142][   T10]      dst_alloc+0x97/0x150
[ 5940.610142][   T10]      ip6_dst_alloc+0x23/0x90
[ 5940.610142][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5940.610142][   T10]      ip6_pol_route+0x56f/0x840
[ 5940.610142][   T10]      fib6_rule_lookup+0x456/0x630
[ 5940.610142][   T10]      ip6_route_input+0x59c/0xa50
[ 5940.610142][   T10]      ipv6_rcv+0x397/0x810
[ 5940.610142][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5940.610142][   T10]      process_backlog+0x101/0x620
[ 5940.610142][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5940.610142][   T10]      net_rx_action+0x495/0xbe0
[ 5940.610142][   T10]      __do_softirq+0x1b5/0x7f6
[ 5940.610142][   T10] 
[ 5940.611765][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.611765][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.611765][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.611765][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.611765][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5940.611765][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5940.611765][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5940.611765][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5940.611765][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5940.611765][   T10]      addrconf_dad_begin+0x310/0x670
[ 5940.611765][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5940.611765][   T10]      process_one_work+0x84d/0x18a0
[ 5940.611765][   T10]      worker_thread+0x587/0xd30
[ 5940.611765][   T10]      kthread+0x28a/0x350
[ 5940.611765][   T10]      ret_from_fork+0x31/0x70
[ 5940.611765][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5940.611765][   T10] 
[ 5940.613677][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.613677][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.613677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.613677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.613677][   T10]      ip6_route_add+0x1c/0x140
[ 5940.613677][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5940.613677][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5940.613677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.613677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.613677][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.613677][   T10]      netlink_unicast+0x449/0x710
[ 5940.613677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.613677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.613677][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.613677][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.613677][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.613677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.613677][   T10] 
[ 5940.615643][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.615643][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.615643][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.615643][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.615643][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5940.615643][   T10]      ipv6_add_addr+0x411/0x2000
[ 5940.615643][   T10]      inet6_addr_add+0x30e/0xa40
[ 5940.615643][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.615643][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.615643][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.615643][   T10]      netlink_unicast+0x449/0x710
[ 5940.615643][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.615643][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.615643][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.615643][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.615643][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.615643][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.615643][   T10] 
[ 5940.617584][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.617584][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.617584][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.617584][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.617584][   T10]      ip6_route_add+0x1c/0x140
[ 5940.617584][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5940.617584][   T10]      addrconf_add_dev+0xe2/0x170
[ 5940.617584][   T10]      inet6_addr_add+0x12f/0xa40
[ 5940.617584][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.617584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.617584][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.617584][   T10]      netlink_unicast+0x449/0x710
[ 5940.617584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.617584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.617584][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.617584][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.617584][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.617584][   T10] 
[ 5940.619615][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.619615][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5940.619615][   T10]      ipv6_find_idev+0x102/0x170
[ 5940.619615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5940.619615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.619615][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.619615][   T10]      netlink_unicast+0x449/0x710
[ 5940.619615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.619615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.619615][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.619615][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.619615][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.619615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.619615][   T10] 
[ 5940.621288][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5940.621288][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5940.621288][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5940.621288][   T10]      ipv6_find_idev+0x102/0x170
[ 5940.621288][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5940.621288][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.621288][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.621288][   T10]      netlink_unicast+0x449/0x710
[ 5940.621288][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.621288][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.621288][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.621288][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.621288][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.621288][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.621288][   T10] 
[ 5940.623193][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5940.623493][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5940.623493][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.623493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.623493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.623493][   T10]      ip6_route_add+0x1c/0x140
[ 5940.623493][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5940.623493][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5940.623493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.623493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.623493][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.623493][   T10]      netlink_unicast+0x449/0x710
[ 5940.623493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.623493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.623493][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.623493][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.623493][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.623493][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.623493][   T10] 
[ 5940.625687][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5940.625687][   T10]      netdev_get_by_index+0x5e/0x80
[ 5940.625687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5940.625687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5940.625687][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5940.625687][   T10]      ipv6_add_addr+0x411/0x2000
[ 5940.625687][   T10]      inet6_addr_add+0x30e/0xa40
[ 5940.625687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5940.625687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.625687][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.625687][   T10]      netlink_unicast+0x449/0x710
[ 5940.625687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.625687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.625687][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.625687][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.625687][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.625687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.625687][   T10] 
[ 5940.627825][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5940.627825][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5940.627825][   T10]      ipv6_find_idev+0x102/0x170
[ 5940.627825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5940.627825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.627825][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.627825][   T10]      netlink_unicast+0x449/0x710
[ 5940.627825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.627825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.627825][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.627825][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.627825][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.627825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.627825][   T10] 
[ 5940.629500][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5940.629500][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5940.629500][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5940.629500][   T10]      ipv6_find_idev+0x102/0x170
[ 5940.629500][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5940.629500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5940.629500][   T10]      netlink_rcv_skb+0x130/0x360
[ 5940.629500][   T10]      netlink_unicast+0x449/0x710
[ 5940.629500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5940.629500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5940.629500][   T10]      ___sys_sendmsg+0xee/0x170
[ 5940.629500][   T10]      __sys_sendmsg+0xcd/0x170
[ 5940.629500][   T10]      do_syscall_64+0xc6/0x1e0
[ 5940.629500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5940.629500][   T10] 
[ 5950.816770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5950.817200][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.817200][   T10]      dst_init+0x84/0x4a0
[ 5950.817200][   T10]      dst_alloc+0x97/0x150
[ 5950.817200][   T10]      ip6_dst_alloc+0x23/0x90
[ 5950.817200][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5950.817200][   T10]      ip6_pol_route+0x56f/0x840
[ 5950.817200][   T10]      fib6_rule_lookup+0x456/0x630
[ 5950.817200][   T10]      ip6_route_input+0x59c/0xa50
[ 5950.817200][   T10]      ipv6_rcv+0x397/0x810
[ 5950.817200][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5950.817200][   T10]      process_backlog+0x101/0x620
[ 5950.817200][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5950.817200][   T10]      net_rx_action+0x495/0xbe0
[ 5950.817200][   T10]      __do_softirq+0x1b5/0x7f6
[ 5950.817200][   T10] 
[ 5950.818867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.818867][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5950.818867][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5950.818867][   T10]      fib6_nh_init+0xa22/0x1580
[ 5950.818867][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.818867][   T10]      ip6_route_add+0x1c/0x140
[ 5950.818867][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5950.818867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.818867][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.818867][   T10]      netlink_unicast+0x449/0x710
[ 5950.818867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.818867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.818867][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.818867][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.818867][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.818867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.818867][   T10] 
[ 5950.820762][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.820762][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.820762][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.820762][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.820762][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5950.820762][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5950.820762][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5950.820762][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5950.820762][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5950.820762][   T10]      addrconf_dad_begin+0x310/0x670
[ 5950.820762][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5950.820762][   T10]      process_one_work+0x84d/0x18a0
[ 5950.820762][   T10]      worker_thread+0x587/0xd30
[ 5950.820762][   T10]      kthread+0x28a/0x350
[ 5950.820762][   T10]      ret_from_fork+0x31/0x70
[ 5950.820762][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5950.820762][   T10] 
[ 5950.822698][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.822698][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.822698][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.822698][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.822698][   T10]      ip6_route_add+0x1c/0x140
[ 5950.822698][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5950.822698][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5950.822698][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.822698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.822698][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.822698][   T10]      netlink_unicast+0x449/0x710
[ 5950.822698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.822698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.822698][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.822698][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.822698][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.822698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.822698][   T10] 
[ 5950.824709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.824709][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.824709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.824709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.824709][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5950.824709][   T10]      ipv6_add_addr+0x411/0x2000
[ 5950.824709][   T10]      inet6_addr_add+0x30e/0xa40
[ 5950.824709][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.824709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.824709][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.824709][   T10]      netlink_unicast+0x449/0x710
[ 5950.824709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.824709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.824709][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.824709][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.824709][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.824709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.824709][   T10] 
[ 5950.826711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.826711][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.826711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.826711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.826711][   T10]      ip6_route_add+0x1c/0x140
[ 5950.826711][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5950.826711][   T10]      addrconf_add_dev+0xe2/0x170
[ 5950.826711][   T10]      inet6_addr_add+0x12f/0xa40
[ 5950.826711][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.826711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.826711][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.826711][   T10]      netlink_unicast+0x449/0x710
[ 5950.826711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.826711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.826711][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.826711][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.826711][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.826711][   T10] 
[ 5950.828715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.828715][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5950.828715][   T10]      ipv6_find_idev+0x102/0x170
[ 5950.828715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5950.828715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.828715][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.828715][   T10]      netlink_unicast+0x449/0x710
[ 5950.828715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.828715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.828715][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.828715][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.828715][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.828715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.828715][   T10] 
[ 5950.830258][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5950.830258][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5950.830258][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5950.830258][   T10]      ipv6_find_idev+0x102/0x170
[ 5950.830258][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5950.830258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.830258][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.830258][   T10]      netlink_unicast+0x449/0x710
[ 5950.830258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.830258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.830258][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.830258][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.830258][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.830258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.830258][   T10] 
[ 5950.831950][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5950.832191][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.832191][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5950.832191][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5950.832191][   T10]      fib6_nh_init+0xa22/0x1580
[ 5950.832191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.832191][   T10]      ip6_route_add+0x1c/0x140
[ 5950.832191][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5950.832191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.832191][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.832191][   T10]      netlink_unicast+0x449/0x710
[ 5950.832191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.832191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.832191][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.832191][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.832191][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.832191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.832191][   T10] 
[ 5950.834062][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.834062][   T10]      dst_init+0x84/0x4a0
[ 5950.834062][   T10]      dst_alloc+0x97/0x150
[ 5950.834062][   T10]      ip6_dst_alloc+0x23/0x90
[ 5950.834062][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5950.834062][   T10]      ip6_pol_route+0x56f/0x840
[ 5950.834062][   T10]      fib6_rule_lookup+0x456/0x630
[ 5950.834062][   T10]      ip6_route_input+0x59c/0xa50
[ 5950.834062][   T10]      ipv6_rcv+0x397/0x810
[ 5950.834062][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5950.834062][   T10]      process_backlog+0x101/0x620
[ 5950.834062][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5950.834062][   T10]      net_rx_action+0x495/0xbe0
[ 5950.834062][   T10]      __do_softirq+0x1b5/0x7f6
[ 5950.834062][   T10] 
[ 5950.835692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.835692][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.835692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.835692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.835692][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5950.835692][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5950.835692][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5950.835692][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5950.835692][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5950.835692][   T10]      addrconf_dad_begin+0x310/0x670
[ 5950.835692][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5950.835692][   T10]      process_one_work+0x84d/0x18a0
[ 5950.835692][   T10]      worker_thread+0x587/0xd30
[ 5950.835692][   T10]      kthread+0x28a/0x350
[ 5950.835692][   T10]      ret_from_fork+0x31/0x70
[ 5950.835692][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5950.835692][   T10] 
[ 5950.837599][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.837599][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.837599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.837599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.837599][   T10]      ip6_route_add+0x1c/0x140
[ 5950.837599][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5950.837599][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5950.837599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.837599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.837599][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.837599][   T10]      netlink_unicast+0x449/0x710
[ 5950.837599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.837599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.837599][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.837599][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.837599][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.837599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.837599][   T10] 
[ 5950.839604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.839604][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.839604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.839604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.839604][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5950.839604][   T10]      ipv6_add_addr+0x411/0x2000
[ 5950.839604][   T10]      inet6_addr_add+0x30e/0xa40
[ 5950.839604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.839604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.839604][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.839604][   T10]      netlink_unicast+0x449/0x710
[ 5950.839604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.839604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.839604][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.839604][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.839604][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.839604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.839604][   T10] 
[ 5950.842125][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.842125][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.842125][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.842125][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.842125][   T10]      ip6_route_add+0x1c/0x140
[ 5950.842125][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5950.842125][   T10]      addrconf_add_dev+0xe2/0x170
[ 5950.842125][   T10]      inet6_addr_add+0x12f/0xa40
[ 5950.842125][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.842125][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.842125][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.842125][   T10]      netlink_unicast+0x449/0x710
[ 5950.842125][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.842125][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.842125][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.842125][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.842125][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.842125][   T10] 
[ 5950.844192][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.844192][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5950.844192][   T10]      ipv6_find_idev+0x102/0x170
[ 5950.844192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5950.844192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.844192][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.844192][   T10]      netlink_unicast+0x449/0x710
[ 5950.844192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.844192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.844192][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.844192][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.844192][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.844192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.844192][   T10] 
[ 5950.845976][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5950.845976][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5950.845976][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5950.845976][   T10]      ipv6_find_idev+0x102/0x170
[ 5950.845976][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5950.845976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.845976][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.845976][   T10]      netlink_unicast+0x449/0x710
[ 5950.845976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.845976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.845976][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.845976][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.845976][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.845976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.845976][   T10] 
[ 5950.847857][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5950.848168][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5950.848168][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.848168][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.848168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.848168][   T10]      ip6_route_add+0x1c/0x140
[ 5950.848168][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5950.848168][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5950.848168][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.848168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.848168][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.848168][   T10]      netlink_unicast+0x449/0x710
[ 5950.848168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.848168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.848168][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.848168][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.848168][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.848168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.848168][   T10] 
[ 5950.850351][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5950.850351][   T10]      netdev_get_by_index+0x5e/0x80
[ 5950.850351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5950.850351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5950.850351][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5950.850351][   T10]      ipv6_add_addr+0x411/0x2000
[ 5950.850351][   T10]      inet6_addr_add+0x30e/0xa40
[ 5950.850351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5950.850351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.850351][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.850351][   T10]      netlink_unicast+0x449/0x710
[ 5950.850351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.850351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.850351][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.850351][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.850351][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.850351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.850351][   T10] 
[ 5950.852480][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5950.852480][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5950.852480][   T10]      ipv6_find_idev+0x102/0x170
[ 5950.852480][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5950.852480][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.852480][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.852480][   T10]      netlink_unicast+0x449/0x710
[ 5950.852480][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.852480][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.852480][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.852480][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.852480][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.852480][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.852480][   T10] 
[ 5950.854209][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5950.854209][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5950.854209][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5950.854209][   T10]      ipv6_find_idev+0x102/0x170
[ 5950.854209][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5950.854209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5950.854209][   T10]      netlink_rcv_skb+0x130/0x360
[ 5950.854209][   T10]      netlink_unicast+0x449/0x710
[ 5950.854209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5950.854209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5950.854209][   T10]      ___sys_sendmsg+0xee/0x170
[ 5950.854209][   T10]      __sys_sendmsg+0xcd/0x170
[ 5950.854209][   T10]      do_syscall_64+0xc6/0x1e0
[ 5950.854209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5950.854209][   T10] 
[ 5960.992768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5960.993389][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5960.993389][   T10]      dst_init+0x84/0x4a0
[ 5960.993389][   T10]      dst_alloc+0x97/0x150
[ 5960.993389][   T10]      ip6_dst_alloc+0x23/0x90
[ 5960.993389][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5960.993389][   T10]      ip6_pol_route+0x56f/0x840
[ 5960.993389][   T10]      fib6_rule_lookup+0x456/0x630
[ 5960.993389][   T10]      ip6_route_input+0x59c/0xa50
[ 5960.993389][   T10]      ipv6_rcv+0x397/0x810
[ 5960.993389][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5960.993389][   T10]      process_backlog+0x101/0x620
[ 5960.993389][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5960.993389][   T10]      net_rx_action+0x495/0xbe0
[ 5960.993389][   T10]      __do_softirq+0x1b5/0x7f6
[ 5960.993389][   T10] 
[ 5960.995014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5960.995014][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5960.995014][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5960.995014][   T10]      fib6_nh_init+0xa22/0x1580
[ 5960.995014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5960.995014][   T10]      ip6_route_add+0x1c/0x140
[ 5960.995014][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5960.995014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5960.995014][   T10]      netlink_rcv_skb+0x130/0x360
[ 5960.995014][   T10]      netlink_unicast+0x449/0x710
[ 5960.995014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5960.995014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5960.995014][   T10]      ___sys_sendmsg+0xee/0x170
[ 5960.995014][   T10]      __sys_sendmsg+0xcd/0x170
[ 5960.995014][   T10]      do_syscall_64+0xc6/0x1e0
[ 5960.995014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5960.995014][   T10] 
[ 5960.996894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5960.996894][   T10]      netdev_get_by_index+0x5e/0x80
[ 5960.996894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5960.996894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5960.996894][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5960.996894][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5960.996894][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5960.996894][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5960.996894][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5960.996894][   T10]      addrconf_dad_begin+0x310/0x670
[ 5960.996894][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5960.996894][   T10]      process_one_work+0x84d/0x18a0
[ 5960.996894][   T10]      worker_thread+0x587/0xd30
[ 5960.996894][   T10]      kthread+0x28a/0x350
[ 5960.996894][   T10]      ret_from_fork+0x31/0x70
[ 5960.996894][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5960.996894][   T10] 
[ 5960.998832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5960.998832][   T10]      netdev_get_by_index+0x5e/0x80
[ 5960.998832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5960.998832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5960.998832][   T10]      ip6_route_add+0x1c/0x140
[ 5960.998832][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5960.998832][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5960.998832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5960.998832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5960.998832][   T10]      netlink_rcv_skb+0x130/0x360
[ 5960.998832][   T10]      netlink_unicast+0x449/0x710
[ 5960.998832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5960.998832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5960.998832][   T10]      ___sys_sendmsg+0xee/0x170
[ 5960.998832][   T10]      __sys_sendmsg+0xcd/0x170
[ 5960.998832][   T10]      do_syscall_64+0xc6/0x1e0
[ 5960.998832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5960.998832][   T10] 
[ 5961.000835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5961.000835][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.000835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.000835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.000835][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5961.000835][   T10]      ipv6_add_addr+0x411/0x2000
[ 5961.000835][   T10]      inet6_addr_add+0x30e/0xa40
[ 5961.000835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5961.000835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.000835][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.000835][   T10]      netlink_unicast+0x449/0x710
[ 5961.000835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.000835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.000835][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.000835][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.000835][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.000835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.000835][   T10] 
[ 5961.002831][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5961.002831][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.002831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.002831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.002831][   T10]      ip6_route_add+0x1c/0x140
[ 5961.002831][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5961.002831][   T10]      addrconf_add_dev+0xe2/0x170
[ 5961.002831][   T10]      inet6_addr_add+0x12f/0xa40
[ 5961.002831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5961.002831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.002831][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.002831][   T10]      netlink_unicast+0x449/0x710
[ 5961.002831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.002831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.002831][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.002831][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.002831][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.002831][   T10] 
[ 5961.004790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5961.004790][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5961.004790][   T10]      ipv6_find_idev+0x102/0x170
[ 5961.004790][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5961.004790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.004790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.004790][   T10]      netlink_unicast+0x449/0x710
[ 5961.004790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.004790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.004790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.004790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.004790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.004790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.004790][   T10] 
[ 5961.006337][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5961.006337][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5961.006337][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5961.006337][   T10]      ipv6_find_idev+0x102/0x170
[ 5961.006337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5961.006337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.006337][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.006337][   T10]      netlink_unicast+0x449/0x710
[ 5961.006337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.006337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.006337][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.006337][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.006337][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.006337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.006337][   T10] 
[ 5961.008027][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5961.008279][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.008279][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5961.008279][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5961.008279][   T10]      fib6_nh_init+0xa22/0x1580
[ 5961.008279][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.008279][   T10]      ip6_route_add+0x1c/0x140
[ 5961.008279][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5961.008279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.008279][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.008279][   T10]      netlink_unicast+0x449/0x710
[ 5961.008279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.008279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.008279][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.008279][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.008279][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.008279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.008279][   T10] 
[ 5961.010166][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.010166][   T10]      dst_init+0x84/0x4a0
[ 5961.010166][   T10]      dst_alloc+0x97/0x150
[ 5961.010166][   T10]      ip6_dst_alloc+0x23/0x90
[ 5961.010166][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5961.010166][   T10]      ip6_pol_route+0x56f/0x840
[ 5961.010166][   T10]      fib6_rule_lookup+0x456/0x630
[ 5961.010166][   T10]      ip6_route_input+0x59c/0xa50
[ 5961.010166][   T10]      ipv6_rcv+0x397/0x810
[ 5961.010166][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5961.010166][   T10]      process_backlog+0x101/0x620
[ 5961.010166][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5961.010166][   T10]      net_rx_action+0x495/0xbe0
[ 5961.010166][   T10]      __do_softirq+0x1b5/0x7f6
[ 5961.010166][   T10] 
[ 5961.011792][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.011792][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.011792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.011792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.011792][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5961.011792][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5961.011792][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5961.011792][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5961.011792][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5961.011792][   T10]      addrconf_dad_begin+0x310/0x670
[ 5961.011792][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5961.011792][   T10]      process_one_work+0x84d/0x18a0
[ 5961.011792][   T10]      worker_thread+0x587/0xd30
[ 5961.011792][   T10]      kthread+0x28a/0x350
[ 5961.011792][   T10]      ret_from_fork+0x31/0x70
[ 5961.011792][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5961.011792][   T10] 
[ 5961.013706][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.013706][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.013706][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.013706][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.013706][   T10]      ip6_route_add+0x1c/0x140
[ 5961.013706][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5961.013706][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5961.013706][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5961.013706][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.013706][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.013706][   T10]      netlink_unicast+0x449/0x710
[ 5961.013706][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.013706][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.013706][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.013706][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.013706][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.013706][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.013706][   T10] 
[ 5961.015704][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.015704][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.015704][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.015704][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.015704][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5961.015704][   T10]      ipv6_add_addr+0x411/0x2000
[ 5961.015704][   T10]      inet6_addr_add+0x30e/0xa40
[ 5961.015704][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5961.015704][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.015704][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.015704][   T10]      netlink_unicast+0x449/0x710
[ 5961.015704][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.015704][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.015704][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.015704][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.015704][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.015704][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.015704][   T10] 
[ 5961.017694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.017694][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.017694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.017694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.017694][   T10]      ip6_route_add+0x1c/0x140
[ 5961.017694][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5961.017694][   T10]      addrconf_add_dev+0xe2/0x170
[ 5961.017694][   T10]      inet6_addr_add+0x12f/0xa40
[ 5961.017694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5961.017694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.017694][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.017694][   T10]      netlink_unicast+0x449/0x710
[ 5961.017694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.017694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.017694][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.017694][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.017694][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.017694][   T10] 
[ 5961.019786][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.019786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5961.019786][   T10]      ipv6_find_idev+0x102/0x170
[ 5961.019786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5961.019786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.019786][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.019786][   T10]      netlink_unicast+0x449/0x710
[ 5961.019786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.019786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.019786][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.019786][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.019786][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.019786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.019786][   T10] 
[ 5961.021499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5961.021499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5961.021499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5961.021499][   T10]      ipv6_find_idev+0x102/0x170
[ 5961.021499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5961.021499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.021499][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.021499][   T10]      netlink_unicast+0x449/0x710
[ 5961.021499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.021499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.021499][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.021499][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.021499][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.021499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.021499][   T10] 
[ 5961.023426][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5961.023735][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5961.023735][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.023735][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.023735][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.023735][   T10]      ip6_route_add+0x1c/0x140
[ 5961.023735][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5961.023735][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5961.023735][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5961.023735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.023735][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.023735][   T10]      netlink_unicast+0x449/0x710
[ 5961.023735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.023735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.023735][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.023735][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.023735][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.023735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.023735][   T10] 
[ 5961.025914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5961.025914][   T10]      netdev_get_by_index+0x5e/0x80
[ 5961.025914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5961.025914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5961.025914][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5961.025914][   T10]      ipv6_add_addr+0x411/0x2000
[ 5961.025914][   T10]      inet6_addr_add+0x30e/0xa40
[ 5961.025914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5961.025914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.025914][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.025914][   T10]      netlink_unicast+0x449/0x710
[ 5961.025914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.025914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.025914][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.025914][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.025914][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.025914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.025914][   T10] 
[ 5961.028078][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5961.028078][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5961.028078][   T10]      ipv6_find_idev+0x102/0x170
[ 5961.028078][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5961.028078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.028078][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.028078][   T10]      netlink_unicast+0x449/0x710
[ 5961.028078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.028078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.028078][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.028078][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.028078][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.028078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.028078][   T10] 
[ 5961.029799][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5961.029799][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5961.029799][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5961.029799][   T10]      ipv6_find_idev+0x102/0x170
[ 5961.029799][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5961.029799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5961.029799][   T10]      netlink_rcv_skb+0x130/0x360
[ 5961.029799][   T10]      netlink_unicast+0x449/0x710
[ 5961.029799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5961.029799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5961.029799][   T10]      ___sys_sendmsg+0xee/0x170
[ 5961.029799][   T10]      __sys_sendmsg+0xcd/0x170
[ 5961.029799][   T10]      do_syscall_64+0xc6/0x1e0
[ 5961.029799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5961.029799][   T10] 
[ 5971.096760][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5971.097396][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.097396][   T10]      dst_init+0x84/0x4a0
[ 5971.097396][   T10]      dst_alloc+0x97/0x150
[ 5971.097396][   T10]      ip6_dst_alloc+0x23/0x90
[ 5971.097396][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5971.097396][   T10]      ip6_pol_route+0x56f/0x840
[ 5971.097396][   T10]      fib6_rule_lookup+0x456/0x630
[ 5971.097396][   T10]      ip6_route_input+0x59c/0xa50
[ 5971.097396][   T10]      ipv6_rcv+0x397/0x810
[ 5971.097396][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5971.097396][   T10]      process_backlog+0x101/0x620
[ 5971.097396][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5971.097396][   T10]      net_rx_action+0x495/0xbe0
[ 5971.097396][   T10]      __do_softirq+0x1b5/0x7f6
[ 5971.097396][   T10] 
[ 5971.099109][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.099109][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5971.099109][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5971.099109][   T10]      fib6_nh_init+0xa22/0x1580
[ 5971.099109][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.099109][   T10]      ip6_route_add+0x1c/0x140
[ 5971.099109][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5971.099109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.099109][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.099109][   T10]      netlink_unicast+0x449/0x710
[ 5971.099109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.099109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.099109][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.099109][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.099109][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.099109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.099109][   T10] 
[ 5971.101014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.101014][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.101014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.101014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.101014][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5971.101014][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5971.101014][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5971.101014][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5971.101014][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5971.101014][   T10]      addrconf_dad_begin+0x310/0x670
[ 5971.101014][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5971.101014][   T10]      process_one_work+0x84d/0x18a0
[ 5971.101014][   T10]      worker_thread+0x587/0xd30
[ 5971.101014][   T10]      kthread+0x28a/0x350
[ 5971.101014][   T10]      ret_from_fork+0x31/0x70
[ 5971.101014][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5971.101014][   T10] 
[ 5971.102950][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.102950][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.102950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.102950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.102950][   T10]      ip6_route_add+0x1c/0x140
[ 5971.102950][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5971.102950][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5971.102950][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.102950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.102950][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.102950][   T10]      netlink_unicast+0x449/0x710
[ 5971.102950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.102950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.102950][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.102950][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.102950][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.102950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.102950][   T10] 
[ 5971.104970][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.104970][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.104970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.104970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.104970][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5971.104970][   T10]      ipv6_add_addr+0x411/0x2000
[ 5971.104970][   T10]      inet6_addr_add+0x30e/0xa40
[ 5971.104970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.104970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.104970][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.104970][   T10]      netlink_unicast+0x449/0x710
[ 5971.104970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.104970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.104970][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.104970][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.104970][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.104970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.104970][   T10] 
[ 5971.106991][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.106991][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.106991][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.106991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.106991][   T10]      ip6_route_add+0x1c/0x140
[ 5971.106991][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5971.106991][   T10]      addrconf_add_dev+0xe2/0x170
[ 5971.106991][   T10]      inet6_addr_add+0x12f/0xa40
[ 5971.106991][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.106991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.106991][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.106991][   T10]      netlink_unicast+0x449/0x710
[ 5971.106991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.106991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.106991][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.106991][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.106991][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.106991][   T10] 
[ 5971.108978][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.108978][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5971.108978][   T10]      ipv6_find_idev+0x102/0x170
[ 5971.108978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5971.108978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.108978][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.108978][   T10]      netlink_unicast+0x449/0x710
[ 5971.108978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.108978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.108978][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.108978][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.108978][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.108978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.108978][   T10] 
[ 5971.110559][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5971.110559][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5971.110559][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5971.110559][   T10]      ipv6_find_idev+0x102/0x170
[ 5971.110559][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5971.110559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.110559][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.110559][   T10]      netlink_unicast+0x449/0x710
[ 5971.110559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.110559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.110559][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.110559][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.110559][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.110559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.110559][   T10] 
[ 5971.112302][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5971.112546][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.112546][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5971.112546][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5971.112546][   T10]      fib6_nh_init+0xa22/0x1580
[ 5971.112546][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.112546][   T10]      ip6_route_add+0x1c/0x140
[ 5971.112546][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5971.112546][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.112546][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.112546][   T10]      netlink_unicast+0x449/0x710
[ 5971.112546][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.112546][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.112546][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.112546][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.112546][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.112546][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.112546][   T10] 
[ 5971.114440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.114440][   T10]      dst_init+0x84/0x4a0
[ 5971.114440][   T10]      dst_alloc+0x97/0x150
[ 5971.114440][   T10]      ip6_dst_alloc+0x23/0x90
[ 5971.114440][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5971.114440][   T10]      ip6_pol_route+0x56f/0x840
[ 5971.114440][   T10]      fib6_rule_lookup+0x456/0x630
[ 5971.114440][   T10]      ip6_route_input+0x59c/0xa50
[ 5971.114440][   T10]      ipv6_rcv+0x397/0x810
[ 5971.114440][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5971.114440][   T10]      process_backlog+0x101/0x620
[ 5971.114440][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5971.114440][   T10]      net_rx_action+0x495/0xbe0
[ 5971.114440][   T10]      __do_softirq+0x1b5/0x7f6
[ 5971.114440][   T10] 
[ 5971.116055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.116055][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.116055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.116055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.116055][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5971.116055][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5971.116055][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5971.116055][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5971.116055][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5971.116055][   T10]      addrconf_dad_begin+0x310/0x670
[ 5971.116055][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5971.116055][   T10]      process_one_work+0x84d/0x18a0
[ 5971.116055][   T10]      worker_thread+0x587/0xd30
[ 5971.116055][   T10]      kthread+0x28a/0x350
[ 5971.116055][   T10]      ret_from_fork+0x31/0x70
[ 5971.116055][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5971.116055][   T10] 
[ 5971.117928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.117928][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.117928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.117928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.117928][   T10]      ip6_route_add+0x1c/0x140
[ 5971.117928][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5971.117928][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5971.117928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.117928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.117928][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.117928][   T10]      netlink_unicast+0x449/0x710
[ 5971.117928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.117928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.117928][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.117928][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.117928][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.117928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.117928][   T10] 
[ 5971.119975][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.119975][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.119975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.119975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.119975][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5971.119975][   T10]      ipv6_add_addr+0x411/0x2000
[ 5971.119975][   T10]      inet6_addr_add+0x30e/0xa40
[ 5971.119975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.119975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.119975][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.119975][   T10]      netlink_unicast+0x449/0x710
[ 5971.119975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.119975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.119975][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.119975][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.119975][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.119975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.119975][   T10] 
[ 5971.121991][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.121991][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.121991][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.121991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.121991][   T10]      ip6_route_add+0x1c/0x140
[ 5971.121991][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5971.121991][   T10]      addrconf_add_dev+0xe2/0x170
[ 5971.121991][   T10]      inet6_addr_add+0x12f/0xa40
[ 5971.121991][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.121991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.121991][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.121991][   T10]      netlink_unicast+0x449/0x710
[ 5971.121991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.121991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.121991][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.121991][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.121991][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.121991][   T10] 
[ 5971.124158][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.124158][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5971.124158][   T10]      ipv6_find_idev+0x102/0x170
[ 5971.124158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5971.124158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.124158][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.124158][   T10]      netlink_unicast+0x449/0x710
[ 5971.124158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.124158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.124158][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.124158][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.124158][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.124158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.124158][   T10] 
[ 5971.125949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5971.125949][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5971.125949][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5971.125949][   T10]      ipv6_find_idev+0x102/0x170
[ 5971.125949][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5971.125949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.125949][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.125949][   T10]      netlink_unicast+0x449/0x710
[ 5971.125949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.125949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.125949][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.125949][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.125949][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.125949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.125949][   T10] 
[ 5971.127833][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5971.128077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5971.128077][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.128077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.128077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.128077][   T10]      ip6_route_add+0x1c/0x140
[ 5971.128077][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5971.128077][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5971.128077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.128077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.128077][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.128077][   T10]      netlink_unicast+0x449/0x710
[ 5971.128077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.128077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.128077][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.128077][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.128077][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.128077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.128077][   T10] 
[ 5971.130354][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5971.130354][   T10]      netdev_get_by_index+0x5e/0x80
[ 5971.130354][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5971.130354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5971.130354][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5971.130354][   T10]      ipv6_add_addr+0x411/0x2000
[ 5971.130354][   T10]      inet6_addr_add+0x30e/0xa40
[ 5971.130354][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5971.130354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.130354][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.130354][   T10]      netlink_unicast+0x449/0x710
[ 5971.130354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.130354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.130354][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.130354][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.130354][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.130354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.130354][   T10] 
[ 5971.132609][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5971.132609][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5971.132609][   T10]      ipv6_find_idev+0x102/0x170
[ 5971.132609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5971.132609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.132609][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.132609][   T10]      netlink_unicast+0x449/0x710
[ 5971.132609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.132609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.132609][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.132609][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.132609][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.132609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.132609][   T10] 
[ 5971.134400][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5971.134400][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5971.134400][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5971.134400][   T10]      ipv6_find_idev+0x102/0x170
[ 5971.134400][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5971.134400][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5971.134400][   T10]      netlink_rcv_skb+0x130/0x360
[ 5971.134400][   T10]      netlink_unicast+0x449/0x710
[ 5971.134400][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5971.134400][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5971.134400][   T10]      ___sys_sendmsg+0xee/0x170
[ 5971.134400][   T10]      __sys_sendmsg+0xcd/0x170
[ 5971.134400][   T10]      do_syscall_64+0xc6/0x1e0
[ 5971.134400][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5971.134400][   T10] 
[ 5981.280697][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5981.281159][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.281159][   T10]      dst_init+0x84/0x4a0
[ 5981.281159][   T10]      dst_alloc+0x97/0x150
[ 5981.281159][   T10]      ip6_dst_alloc+0x23/0x90
[ 5981.281159][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5981.281159][   T10]      ip6_pol_route+0x56f/0x840
[ 5981.281159][   T10]      fib6_rule_lookup+0x456/0x630
[ 5981.281159][   T10]      ip6_route_input+0x59c/0xa50
[ 5981.281159][   T10]      ipv6_rcv+0x397/0x810
[ 5981.281159][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5981.281159][   T10]      process_backlog+0x101/0x620
[ 5981.281159][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5981.281159][   T10]      net_rx_action+0x495/0xbe0
[ 5981.281159][   T10]      __do_softirq+0x1b5/0x7f6
[ 5981.281159][   T10] 
[ 5981.282872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.282872][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5981.282872][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5981.282872][   T10]      fib6_nh_init+0xa22/0x1580
[ 5981.282872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.282872][   T10]      ip6_route_add+0x1c/0x140
[ 5981.282872][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5981.282872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.282872][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.282872][   T10]      netlink_unicast+0x449/0x710
[ 5981.282872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.282872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.282872][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.282872][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.282872][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.282872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.282872][   T10] 
[ 5981.284779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.284779][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.284779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.284779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.284779][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5981.284779][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5981.284779][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5981.284779][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5981.284779][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5981.284779][   T10]      addrconf_dad_begin+0x310/0x670
[ 5981.284779][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5981.284779][   T10]      process_one_work+0x84d/0x18a0
[ 5981.284779][   T10]      worker_thread+0x587/0xd30
[ 5981.284779][   T10]      kthread+0x28a/0x350
[ 5981.284779][   T10]      ret_from_fork+0x31/0x70
[ 5981.284779][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5981.284779][   T10] 
[ 5981.286713][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.286713][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.286713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.286713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.286713][   T10]      ip6_route_add+0x1c/0x140
[ 5981.286713][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5981.286713][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5981.286713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.286713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.286713][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.286713][   T10]      netlink_unicast+0x449/0x710
[ 5981.286713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.286713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.286713][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.286713][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.286713][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.286713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.286713][   T10] 
[ 5981.288787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.288787][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.288787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.288787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.288787][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5981.288787][   T10]      ipv6_add_addr+0x411/0x2000
[ 5981.288787][   T10]      inet6_addr_add+0x30e/0xa40
[ 5981.288787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.288787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.288787][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.288787][   T10]      netlink_unicast+0x449/0x710
[ 5981.288787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.288787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.288787][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.288787][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.288787][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.288787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.288787][   T10] 
[ 5981.290808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.290808][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.290808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.290808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.290808][   T10]      ip6_route_add+0x1c/0x140
[ 5981.290808][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5981.290808][   T10]      addrconf_add_dev+0xe2/0x170
[ 5981.290808][   T10]      inet6_addr_add+0x12f/0xa40
[ 5981.290808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.290808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.290808][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.290808][   T10]      netlink_unicast+0x449/0x710
[ 5981.290808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.290808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.290808][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.290808][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.290808][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.290808][   T10] 
[ 5981.292795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.292795][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5981.292795][   T10]      ipv6_find_idev+0x102/0x170
[ 5981.292795][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5981.292795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.292795][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.292795][   T10]      netlink_unicast+0x449/0x710
[ 5981.292795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.292795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.292795][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.292795][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.292795][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.292795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.292795][   T10] 
[ 5981.294346][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5981.294346][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5981.294346][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5981.294346][   T10]      ipv6_find_idev+0x102/0x170
[ 5981.294346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5981.294346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.294346][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.294346][   T10]      netlink_unicast+0x449/0x710
[ 5981.294346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.294346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.294346][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.294346][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.294346][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.294346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.294346][   T10] 
[ 5981.296072][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5981.296325][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.296325][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5981.296325][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5981.296325][   T10]      fib6_nh_init+0xa22/0x1580
[ 5981.296325][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.296325][   T10]      ip6_route_add+0x1c/0x140
[ 5981.296325][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5981.296325][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.296325][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.296325][   T10]      netlink_unicast+0x449/0x710
[ 5981.296325][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.296325][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.296325][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.296325][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.296325][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.296325][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.296325][   T10] 
[ 5981.298229][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.298229][   T10]      dst_init+0x84/0x4a0
[ 5981.298229][   T10]      dst_alloc+0x97/0x150
[ 5981.298229][   T10]      ip6_dst_alloc+0x23/0x90
[ 5981.298229][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5981.298229][   T10]      ip6_pol_route+0x56f/0x840
[ 5981.298229][   T10]      fib6_rule_lookup+0x456/0x630
[ 5981.298229][   T10]      ip6_route_input+0x59c/0xa50
[ 5981.298229][   T10]      ipv6_rcv+0x397/0x810
[ 5981.298229][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5981.298229][   T10]      process_backlog+0x101/0x620
[ 5981.298229][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5981.298229][   T10]      net_rx_action+0x495/0xbe0
[ 5981.298229][   T10]      __do_softirq+0x1b5/0x7f6
[ 5981.298229][   T10] 
[ 5981.299883][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.299883][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.299883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.299883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.299883][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5981.299883][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5981.299883][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5981.299883][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5981.299883][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5981.299883][   T10]      addrconf_dad_begin+0x310/0x670
[ 5981.299883][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5981.299883][   T10]      process_one_work+0x84d/0x18a0
[ 5981.299883][   T10]      worker_thread+0x587/0xd30
[ 5981.299883][   T10]      kthread+0x28a/0x350
[ 5981.299883][   T10]      ret_from_fork+0x31/0x70
[ 5981.299883][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5981.299883][   T10] 
[ 5981.301773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.301773][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.301773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.301773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.301773][   T10]      ip6_route_add+0x1c/0x140
[ 5981.301773][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5981.301773][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5981.301773][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.301773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.301773][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.301773][   T10]      netlink_unicast+0x449/0x710
[ 5981.301773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.301773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.301773][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.301773][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.301773][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.301773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.301773][   T10] 
[ 5981.303790][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.303790][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.303790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.303790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.303790][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5981.303790][   T10]      ipv6_add_addr+0x411/0x2000
[ 5981.303790][   T10]      inet6_addr_add+0x30e/0xa40
[ 5981.303790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.303790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.303790][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.303790][   T10]      netlink_unicast+0x449/0x710
[ 5981.303790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.303790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.303790][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.303790][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.303790][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.303790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.303790][   T10] 
[ 5981.305805][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.305805][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.305805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.305805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.305805][   T10]      ip6_route_add+0x1c/0x140
[ 5981.305805][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5981.305805][   T10]      addrconf_add_dev+0xe2/0x170
[ 5981.305805][   T10]      inet6_addr_add+0x12f/0xa40
[ 5981.305805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.305805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.305805][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.305805][   T10]      netlink_unicast+0x449/0x710
[ 5981.305805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.305805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.305805][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.305805][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.305805][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.305805][   T10] 
[ 5981.307977][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.307977][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5981.307977][   T10]      ipv6_find_idev+0x102/0x170
[ 5981.307977][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5981.307977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.307977][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.307977][   T10]      netlink_unicast+0x449/0x710
[ 5981.307977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.307977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.307977][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.307977][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.307977][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.307977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.307977][   T10] 
[ 5981.309716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5981.309716][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5981.309716][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5981.309716][   T10]      ipv6_find_idev+0x102/0x170
[ 5981.309716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5981.309716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.309716][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.309716][   T10]      netlink_unicast+0x449/0x710
[ 5981.309716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.309716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.309716][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.309716][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.309716][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.309716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.309716][   T10] 
[ 5981.311658][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5981.311898][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5981.311898][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.311898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.311898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.311898][   T10]      ip6_route_add+0x1c/0x140
[ 5981.311898][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5981.311898][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5981.311898][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.311898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.311898][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.311898][   T10]      netlink_unicast+0x449/0x710
[ 5981.311898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.311898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.311898][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.311898][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.311898][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.311898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.311898][   T10] 
[ 5981.314152][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5981.314152][   T10]      netdev_get_by_index+0x5e/0x80
[ 5981.314152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5981.314152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5981.314152][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5981.314152][   T10]      ipv6_add_addr+0x411/0x2000
[ 5981.314152][   T10]      inet6_addr_add+0x30e/0xa40
[ 5981.314152][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5981.314152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.314152][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.314152][   T10]      netlink_unicast+0x449/0x710
[ 5981.314152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.314152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.314152][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.314152][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.314152][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.314152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.314152][   T10] 
[ 5981.316409][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5981.316409][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5981.316409][   T10]      ipv6_find_idev+0x102/0x170
[ 5981.316409][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5981.316409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.316409][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.316409][   T10]      netlink_unicast+0x449/0x710
[ 5981.316409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.316409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.316409][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.316409][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.316409][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.316409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.316409][   T10] 
[ 5981.318137][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5981.318137][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5981.318137][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5981.318137][   T10]      ipv6_find_idev+0x102/0x170
[ 5981.318137][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5981.318137][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5981.318137][   T10]      netlink_rcv_skb+0x130/0x360
[ 5981.318137][   T10]      netlink_unicast+0x449/0x710
[ 5981.318137][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5981.318137][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5981.318137][   T10]      ___sys_sendmsg+0xee/0x170
[ 5981.318137][   T10]      __sys_sendmsg+0xcd/0x170
[ 5981.318137][   T10]      do_syscall_64+0xc6/0x1e0
[ 5981.318137][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5981.318137][   T10] 
[ 5991.568650][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5991.569092][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.569092][   T10]      dst_init+0x84/0x4a0
[ 5991.569092][   T10]      dst_alloc+0x97/0x150
[ 5991.569092][   T10]      ip6_dst_alloc+0x23/0x90
[ 5991.569092][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5991.569092][   T10]      ip6_pol_route+0x56f/0x840
[ 5991.569092][   T10]      fib6_rule_lookup+0x456/0x630
[ 5991.569092][   T10]      ip6_route_input+0x59c/0xa50
[ 5991.569092][   T10]      ipv6_rcv+0x397/0x810
[ 5991.569092][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5991.569092][   T10]      process_backlog+0x101/0x620
[ 5991.569092][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5991.569092][   T10]      net_rx_action+0x495/0xbe0
[ 5991.569092][   T10]      __do_softirq+0x1b5/0x7f6
[ 5991.569092][   T10] 
[ 5991.570767][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.570767][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5991.570767][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5991.570767][   T10]      fib6_nh_init+0xa22/0x1580
[ 5991.570767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.570767][   T10]      ip6_route_add+0x1c/0x140
[ 5991.570767][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5991.570767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.570767][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.570767][   T10]      netlink_unicast+0x449/0x710
[ 5991.570767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.570767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.570767][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.570767][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.570767][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.570767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.570767][   T10] 
[ 5991.572662][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.572662][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.572662][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.572662][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.572662][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5991.572662][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5991.572662][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5991.572662][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5991.572662][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5991.572662][   T10]      addrconf_dad_begin+0x310/0x670
[ 5991.572662][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5991.572662][   T10]      process_one_work+0x84d/0x18a0
[ 5991.572662][   T10]      worker_thread+0x587/0xd30
[ 5991.572662][   T10]      kthread+0x28a/0x350
[ 5991.572662][   T10]      ret_from_fork+0x31/0x70
[ 5991.572662][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5991.572662][   T10] 
[ 5991.574571][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.574571][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.574571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.574571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.574571][   T10]      ip6_route_add+0x1c/0x140
[ 5991.574571][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5991.574571][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5991.574571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.574571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.574571][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.574571][   T10]      netlink_unicast+0x449/0x710
[ 5991.574571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.574571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.574571][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.574571][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.574571][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.574571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.574571][   T10] 
[ 5991.576566][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.576566][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.576566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.576566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.576566][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5991.576566][   T10]      ipv6_add_addr+0x411/0x2000
[ 5991.576566][   T10]      inet6_addr_add+0x30e/0xa40
[ 5991.576566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.576566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.576566][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.576566][   T10]      netlink_unicast+0x449/0x710
[ 5991.576566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.576566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.576566][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.576566][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.576566][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.576566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.576566][   T10] 
[ 5991.578576][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.578576][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.578576][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.578576][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.578576][   T10]      ip6_route_add+0x1c/0x140
[ 5991.578576][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5991.578576][   T10]      addrconf_add_dev+0xe2/0x170
[ 5991.578576][   T10]      inet6_addr_add+0x12f/0xa40
[ 5991.578576][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.578576][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.578576][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.578576][   T10]      netlink_unicast+0x449/0x710
[ 5991.578576][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.578576][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.578576][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.578576][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.578576][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.578576][   T10] 
[ 5991.580543][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.580543][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5991.580543][   T10]      ipv6_find_idev+0x102/0x170
[ 5991.580543][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5991.580543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.580543][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.580543][   T10]      netlink_unicast+0x449/0x710
[ 5991.580543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.580543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.580543][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.580543][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.580543][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.580543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.580543][   T10] 
[ 5991.582087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 5991.582087][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5991.582087][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5991.582087][   T10]      ipv6_find_idev+0x102/0x170
[ 5991.582087][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5991.582087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.582087][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.582087][   T10]      netlink_unicast+0x449/0x710
[ 5991.582087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.582087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.582087][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.582087][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.582087][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.582087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.582087][   T10] 
[ 5991.583796][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 5991.584035][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.584035][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 5991.584035][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 5991.584035][   T10]      fib6_nh_init+0xa22/0x1580
[ 5991.584035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.584035][   T10]      ip6_route_add+0x1c/0x140
[ 5991.584035][   T10]      inet6_rtm_newroute+0x104/0x110
[ 5991.584035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.584035][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.584035][   T10]      netlink_unicast+0x449/0x710
[ 5991.584035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.584035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.584035][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.584035][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.584035][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.584035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.584035][   T10] 
[ 5991.585915][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.585915][   T10]      dst_init+0x84/0x4a0
[ 5991.585915][   T10]      dst_alloc+0x97/0x150
[ 5991.585915][   T10]      ip6_dst_alloc+0x23/0x90
[ 5991.585915][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 5991.585915][   T10]      ip6_pol_route+0x56f/0x840
[ 5991.585915][   T10]      fib6_rule_lookup+0x456/0x630
[ 5991.585915][   T10]      ip6_route_input+0x59c/0xa50
[ 5991.585915][   T10]      ipv6_rcv+0x397/0x810
[ 5991.585915][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 5991.585915][   T10]      process_backlog+0x101/0x620
[ 5991.585915][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 5991.585915][   T10]      net_rx_action+0x495/0xbe0
[ 5991.585915][   T10]      __do_softirq+0x1b5/0x7f6
[ 5991.585915][   T10] 
[ 5991.587542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.587542][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.587542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.587542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.587542][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 5991.587542][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 5991.587542][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 5991.587542][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 5991.587542][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 5991.587542][   T10]      addrconf_dad_begin+0x310/0x670
[ 5991.587542][   T10]      addrconf_dad_work+0x10b/0xab0
[ 5991.587542][   T10]      process_one_work+0x84d/0x18a0
[ 5991.587542][   T10]      worker_thread+0x587/0xd30
[ 5991.587542][   T10]      kthread+0x28a/0x350
[ 5991.587542][   T10]      ret_from_fork+0x31/0x70
[ 5991.587542][   T10]      ret_from_fork_asm+0x1a/0x30
[ 5991.587542][   T10] 
[ 5991.589460][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.589460][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.589460][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.589460][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.589460][   T10]      ip6_route_add+0x1c/0x140
[ 5991.589460][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5991.589460][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5991.589460][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.589460][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.589460][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.589460][   T10]      netlink_unicast+0x449/0x710
[ 5991.589460][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.589460][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.589460][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.589460][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.589460][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.589460][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.589460][   T10] 
[ 5991.591454][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.591454][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.591454][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.591454][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.591454][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5991.591454][   T10]      ipv6_add_addr+0x411/0x2000
[ 5991.591454][   T10]      inet6_addr_add+0x30e/0xa40
[ 5991.591454][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.591454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.591454][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.591454][   T10]      netlink_unicast+0x449/0x710
[ 5991.591454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.591454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.591454][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.591454][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.591454][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.591454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.591454][   T10] 
[ 5991.593464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.593464][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.593464][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.593464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.593464][   T10]      ip6_route_add+0x1c/0x140
[ 5991.593464][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 5991.593464][   T10]      addrconf_add_dev+0xe2/0x170
[ 5991.593464][   T10]      inet6_addr_add+0x12f/0xa40
[ 5991.593464][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.593464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.593464][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.593464][   T10]      netlink_unicast+0x449/0x710
[ 5991.593464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.593464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.593464][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.593464][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.593464][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.593464][   T10] 
[ 5991.595605][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.595605][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5991.595605][   T10]      ipv6_find_idev+0x102/0x170
[ 5991.595605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5991.595605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.595605][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.595605][   T10]      netlink_unicast+0x449/0x710
[ 5991.595605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.595605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.595605][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.595605][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.595605][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.595605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.595605][   T10] 
[ 5991.597382][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 5991.597382][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5991.597382][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5991.597382][   T10]      ipv6_find_idev+0x102/0x170
[ 5991.597382][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5991.597382][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.597382][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.597382][   T10]      netlink_unicast+0x449/0x710
[ 5991.597382][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.597382][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.597382][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.597382][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.597382][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.597382][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.597382][   T10] 
[ 5991.599249][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 5991.599487][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5991.599487][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.599487][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.599487][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.599487][   T10]      ip6_route_add+0x1c/0x140
[ 5991.599487][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 5991.599487][   T10]      inet6_addr_add+0x4f8/0xa40
[ 5991.599487][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.599487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.599487][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.599487][   T10]      netlink_unicast+0x449/0x710
[ 5991.599487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.599487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.599487][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.599487][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.599487][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.599487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.599487][   T10] 
[ 5991.601727][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5991.601727][   T10]      netdev_get_by_index+0x5e/0x80
[ 5991.601727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 5991.601727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 5991.601727][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 5991.601727][   T10]      ipv6_add_addr+0x411/0x2000
[ 5991.601727][   T10]      inet6_addr_add+0x30e/0xa40
[ 5991.601727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 5991.601727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.601727][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.601727][   T10]      netlink_unicast+0x449/0x710
[ 5991.601727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.601727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.601727][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.601727][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.601727][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.601727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.601727][   T10] 
[ 5991.603955][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5991.603955][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 5991.603955][   T10]      ipv6_find_idev+0x102/0x170
[ 5991.603955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5991.603955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.603955][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.603955][   T10]      netlink_unicast+0x449/0x710
[ 5991.603955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.603955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.603955][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.603955][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.603955][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.603955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.603955][   T10] 
[ 5991.605727][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 5991.605727][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 5991.605727][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 5991.605727][   T10]      ipv6_find_idev+0x102/0x170
[ 5991.605727][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 5991.605727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 5991.605727][   T10]      netlink_rcv_skb+0x130/0x360
[ 5991.605727][   T10]      netlink_unicast+0x449/0x710
[ 5991.605727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 5991.605727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 5991.605727][   T10]      ___sys_sendmsg+0xee/0x170
[ 5991.605727][   T10]      __sys_sendmsg+0xcd/0x170
[ 5991.605727][   T10]      do_syscall_64+0xc6/0x1e0
[ 5991.605727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 5991.605727][   T10] 
[ 6001.648711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6001.649167][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.649167][   T10]      dst_init+0x84/0x4a0
[ 6001.649167][   T10]      dst_alloc+0x97/0x150
[ 6001.649167][   T10]      ip6_dst_alloc+0x23/0x90
[ 6001.649167][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6001.649167][   T10]      ip6_pol_route+0x56f/0x840
[ 6001.649167][   T10]      fib6_rule_lookup+0x456/0x630
[ 6001.649167][   T10]      ip6_route_input+0x59c/0xa50
[ 6001.649167][   T10]      ipv6_rcv+0x397/0x810
[ 6001.649167][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6001.649167][   T10]      process_backlog+0x101/0x620
[ 6001.649167][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6001.649167][   T10]      net_rx_action+0x495/0xbe0
[ 6001.649167][   T10]      __do_softirq+0x1b5/0x7f6
[ 6001.649167][   T10] 
[ 6001.650812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.650812][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6001.650812][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6001.650812][   T10]      fib6_nh_init+0xa22/0x1580
[ 6001.650812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.650812][   T10]      ip6_route_add+0x1c/0x140
[ 6001.650812][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6001.650812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.650812][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.650812][   T10]      netlink_unicast+0x449/0x710
[ 6001.650812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.650812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.650812][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.650812][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.650812][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.650812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.650812][   T10] 
[ 6001.652711][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.652711][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.652711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.652711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.652711][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6001.652711][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6001.652711][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6001.652711][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6001.652711][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6001.652711][   T10]      addrconf_dad_begin+0x310/0x670
[ 6001.652711][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6001.652711][   T10]      process_one_work+0x84d/0x18a0
[ 6001.652711][   T10]      worker_thread+0x587/0xd30
[ 6001.652711][   T10]      kthread+0x28a/0x350
[ 6001.652711][   T10]      ret_from_fork+0x31/0x70
[ 6001.652711][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6001.652711][   T10] 
[ 6001.654621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.654621][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.654621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.654621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.654621][   T10]      ip6_route_add+0x1c/0x140
[ 6001.654621][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6001.654621][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6001.654621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.654621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.654621][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.654621][   T10]      netlink_unicast+0x449/0x710
[ 6001.654621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.654621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.654621][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.654621][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.654621][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.654621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.654621][   T10] 
[ 6001.656626][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.656626][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.656626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.656626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.656626][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6001.656626][   T10]      ipv6_add_addr+0x411/0x2000
[ 6001.656626][   T10]      inet6_addr_add+0x30e/0xa40
[ 6001.656626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.656626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.656626][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.656626][   T10]      netlink_unicast+0x449/0x710
[ 6001.656626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.656626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.656626][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.656626][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.656626][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.656626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.656626][   T10] 
[ 6001.658644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.658644][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.658644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.658644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.658644][   T10]      ip6_route_add+0x1c/0x140
[ 6001.658644][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6001.658644][   T10]      addrconf_add_dev+0xe2/0x170
[ 6001.658644][   T10]      inet6_addr_add+0x12f/0xa40
[ 6001.658644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.658644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.658644][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.658644][   T10]      netlink_unicast+0x449/0x710
[ 6001.658644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.658644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.658644][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.658644][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.658644][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.658644][   T10] 
[ 6001.660631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.660631][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6001.660631][   T10]      ipv6_find_idev+0x102/0x170
[ 6001.660631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6001.660631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.660631][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.660631][   T10]      netlink_unicast+0x449/0x710
[ 6001.660631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.660631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.660631][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.660631][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.660631][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.660631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.660631][   T10] 
[ 6001.662131][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6001.662131][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6001.662131][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6001.662131][   T10]      ipv6_find_idev+0x102/0x170
[ 6001.662131][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6001.662131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.662131][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.662131][   T10]      netlink_unicast+0x449/0x710
[ 6001.662131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.662131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.662131][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.662131][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.662131][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.662131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.662131][   T10] 
[ 6001.663801][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6001.664045][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.664045][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6001.664045][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6001.664045][   T10]      fib6_nh_init+0xa22/0x1580
[ 6001.664045][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.664045][   T10]      ip6_route_add+0x1c/0x140
[ 6001.664045][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6001.664045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.664045][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.664045][   T10]      netlink_unicast+0x449/0x710
[ 6001.664045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.664045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.664045][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.664045][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.664045][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.664045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.664045][   T10] 
[ 6001.665923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.665923][   T10]      dst_init+0x84/0x4a0
[ 6001.665923][   T10]      dst_alloc+0x97/0x150
[ 6001.665923][   T10]      ip6_dst_alloc+0x23/0x90
[ 6001.665923][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6001.665923][   T10]      ip6_pol_route+0x56f/0x840
[ 6001.665923][   T10]      fib6_rule_lookup+0x456/0x630
[ 6001.665923][   T10]      ip6_route_input+0x59c/0xa50
[ 6001.665923][   T10]      ipv6_rcv+0x397/0x810
[ 6001.665923][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6001.665923][   T10]      process_backlog+0x101/0x620
[ 6001.665923][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6001.665923][   T10]      net_rx_action+0x495/0xbe0
[ 6001.665923][   T10]      __do_softirq+0x1b5/0x7f6
[ 6001.665923][   T10] 
[ 6001.667626][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.667626][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.667626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.667626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.667626][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6001.667626][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6001.667626][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6001.667626][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6001.667626][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6001.667626][   T10]      addrconf_dad_begin+0x310/0x670
[ 6001.667626][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6001.667626][   T10]      process_one_work+0x84d/0x18a0
[ 6001.667626][   T10]      worker_thread+0x587/0xd30
[ 6001.667626][   T10]      kthread+0x28a/0x350
[ 6001.667626][   T10]      ret_from_fork+0x31/0x70
[ 6001.667626][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6001.667626][   T10] 
[ 6001.669552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.669552][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.669552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.669552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.669552][   T10]      ip6_route_add+0x1c/0x140
[ 6001.669552][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6001.669552][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6001.669552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.669552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.669552][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.669552][   T10]      netlink_unicast+0x449/0x710
[ 6001.669552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.669552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.669552][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.669552][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.669552][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.669552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.669552][   T10] 
[ 6001.671504][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.671504][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.671504][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.671504][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.671504][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6001.671504][   T10]      ipv6_add_addr+0x411/0x2000
[ 6001.671504][   T10]      inet6_addr_add+0x30e/0xa40
[ 6001.671504][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.671504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.671504][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.671504][   T10]      netlink_unicast+0x449/0x710
[ 6001.671504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.671504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.671504][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.671504][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.671504][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.671504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.671504][   T10] 
[ 6001.673469][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.673469][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.673469][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.673469][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.673469][   T10]      ip6_route_add+0x1c/0x140
[ 6001.673469][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6001.673469][   T10]      addrconf_add_dev+0xe2/0x170
[ 6001.673469][   T10]      inet6_addr_add+0x12f/0xa40
[ 6001.673469][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.673469][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.673469][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.673469][   T10]      netlink_unicast+0x449/0x710
[ 6001.673469][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.673469][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.673469][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.673469][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.673469][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.673469][   T10] 
[ 6001.675618][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.675618][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6001.675618][   T10]      ipv6_find_idev+0x102/0x170
[ 6001.675618][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6001.675618][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.675618][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.675618][   T10]      netlink_unicast+0x449/0x710
[ 6001.675618][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.675618][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.675618][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.675618][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.675618][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.675618][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.675618][   T10] 
[ 6001.677331][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6001.677331][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6001.677331][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6001.677331][   T10]      ipv6_find_idev+0x102/0x170
[ 6001.677331][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6001.677331][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.677331][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.677331][   T10]      netlink_unicast+0x449/0x710
[ 6001.677331][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.677331][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.677331][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.677331][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.677331][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.677331][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.677331][   T10] 
[ 6001.679271][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6001.679514][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6001.679514][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.679514][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.679514][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.679514][   T10]      ip6_route_add+0x1c/0x140
[ 6001.679514][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6001.679514][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6001.679514][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.679514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.679514][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.679514][   T10]      netlink_unicast+0x449/0x710
[ 6001.679514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.679514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.679514][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.679514][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.679514][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.679514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.679514][   T10] 
[ 6001.681766][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6001.681766][   T10]      netdev_get_by_index+0x5e/0x80
[ 6001.681766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6001.681766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6001.681766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6001.681766][   T10]      ipv6_add_addr+0x411/0x2000
[ 6001.681766][   T10]      inet6_addr_add+0x30e/0xa40
[ 6001.681766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6001.681766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.681766][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.681766][   T10]      netlink_unicast+0x449/0x710
[ 6001.681766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.681766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.681766][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.681766][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.681766][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.681766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.681766][   T10] 
[ 6001.683968][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6001.683968][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6001.683968][   T10]      ipv6_find_idev+0x102/0x170
[ 6001.683968][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6001.683968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.683968][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.683968][   T10]      netlink_unicast+0x449/0x710
[ 6001.683968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.683968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.683968][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.683968][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.683968][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.683968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.683968][   T10] 
[ 6001.685688][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6001.685688][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6001.685688][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6001.685688][   T10]      ipv6_find_idev+0x102/0x170
[ 6001.685688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6001.685688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6001.685688][   T10]      netlink_rcv_skb+0x130/0x360
[ 6001.685688][   T10]      netlink_unicast+0x449/0x710
[ 6001.685688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6001.685688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6001.685688][   T10]      ___sys_sendmsg+0xee/0x170
[ 6001.685688][   T10]      __sys_sendmsg+0xcd/0x170
[ 6001.685688][   T10]      do_syscall_64+0xc6/0x1e0
[ 6001.685688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6001.685688][   T10] 
[ 6011.776784][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6011.777175][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.777175][   T10]      dst_init+0x84/0x4a0
[ 6011.777175][   T10]      dst_alloc+0x97/0x150
[ 6011.777175][   T10]      ip6_dst_alloc+0x23/0x90
[ 6011.777175][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6011.777175][   T10]      ip6_pol_route+0x56f/0x840
[ 6011.777175][   T10]      fib6_rule_lookup+0x456/0x630
[ 6011.777175][   T10]      ip6_route_input+0x59c/0xa50
[ 6011.777175][   T10]      ipv6_rcv+0x397/0x810
[ 6011.777175][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6011.777175][   T10]      process_backlog+0x101/0x620
[ 6011.777175][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6011.777175][   T10]      net_rx_action+0x495/0xbe0
[ 6011.777175][   T10]      __do_softirq+0x1b5/0x7f6
[ 6011.777175][   T10] 
[ 6011.778852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.778852][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6011.778852][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6011.778852][   T10]      fib6_nh_init+0xa22/0x1580
[ 6011.778852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.778852][   T10]      ip6_route_add+0x1c/0x140
[ 6011.778852][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6011.778852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.778852][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.778852][   T10]      netlink_unicast+0x449/0x710
[ 6011.778852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.778852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.778852][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.778852][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.778852][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.778852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.778852][   T10] 
[ 6011.780741][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.780741][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.780741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.780741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.780741][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6011.780741][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6011.780741][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6011.780741][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6011.780741][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6011.780741][   T10]      addrconf_dad_begin+0x310/0x670
[ 6011.780741][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6011.780741][   T10]      process_one_work+0x84d/0x18a0
[ 6011.780741][   T10]      worker_thread+0x587/0xd30
[ 6011.780741][   T10]      kthread+0x28a/0x350
[ 6011.780741][   T10]      ret_from_fork+0x31/0x70
[ 6011.780741][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6011.780741][   T10] 
[ 6011.782644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.782644][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.782644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.782644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.782644][   T10]      ip6_route_add+0x1c/0x140
[ 6011.782644][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6011.782644][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6011.782644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.782644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.782644][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.782644][   T10]      netlink_unicast+0x449/0x710
[ 6011.782644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.782644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.782644][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.782644][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.782644][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.782644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.782644][   T10] 
[ 6011.784674][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.784674][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.784674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.784674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.784674][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6011.784674][   T10]      ipv6_add_addr+0x411/0x2000
[ 6011.784674][   T10]      inet6_addr_add+0x30e/0xa40
[ 6011.784674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.784674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.784674][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.784674][   T10]      netlink_unicast+0x449/0x710
[ 6011.784674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.784674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.784674][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.784674][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.784674][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.784674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.784674][   T10] 
[ 6011.786680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.786680][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.786680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.786680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.786680][   T10]      ip6_route_add+0x1c/0x140
[ 6011.786680][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6011.786680][   T10]      addrconf_add_dev+0xe2/0x170
[ 6011.786680][   T10]      inet6_addr_add+0x12f/0xa40
[ 6011.786680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.786680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.786680][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.786680][   T10]      netlink_unicast+0x449/0x710
[ 6011.786680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.786680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.786680][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.786680][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.786680][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.786680][   T10] 
[ 6011.788646][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.788646][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6011.788646][   T10]      ipv6_find_idev+0x102/0x170
[ 6011.788646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6011.788646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.788646][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.788646][   T10]      netlink_unicast+0x449/0x710
[ 6011.788646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.788646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.788646][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.788646][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.788646][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.788646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.788646][   T10] 
[ 6011.790182][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6011.790182][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6011.790182][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6011.790182][   T10]      ipv6_find_idev+0x102/0x170
[ 6011.790182][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6011.790182][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.790182][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.790182][   T10]      netlink_unicast+0x449/0x710
[ 6011.790182][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.790182][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.790182][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.790182][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.790182][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.790182][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.790182][   T10] 
[ 6011.791878][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6011.792118][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.792118][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6011.792118][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6011.792118][   T10]      fib6_nh_init+0xa22/0x1580
[ 6011.792118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.792118][   T10]      ip6_route_add+0x1c/0x140
[ 6011.792118][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6011.792118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.792118][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.792118][   T10]      netlink_unicast+0x449/0x710
[ 6011.792118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.792118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.792118][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.792118][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.792118][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.792118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.792118][   T10] 
[ 6011.794001][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.794001][   T10]      dst_init+0x84/0x4a0
[ 6011.794001][   T10]      dst_alloc+0x97/0x150
[ 6011.794001][   T10]      ip6_dst_alloc+0x23/0x90
[ 6011.794001][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6011.794001][   T10]      ip6_pol_route+0x56f/0x840
[ 6011.794001][   T10]      fib6_rule_lookup+0x456/0x630
[ 6011.794001][   T10]      ip6_route_input+0x59c/0xa50
[ 6011.794001][   T10]      ipv6_rcv+0x397/0x810
[ 6011.794001][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6011.794001][   T10]      process_backlog+0x101/0x620
[ 6011.794001][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6011.794001][   T10]      net_rx_action+0x495/0xbe0
[ 6011.794001][   T10]      __do_softirq+0x1b5/0x7f6
[ 6011.794001][   T10] 
[ 6011.795627][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.795627][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.795627][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.795627][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.795627][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6011.795627][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6011.795627][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6011.795627][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6011.795627][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6011.795627][   T10]      addrconf_dad_begin+0x310/0x670
[ 6011.795627][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6011.795627][   T10]      process_one_work+0x84d/0x18a0
[ 6011.795627][   T10]      worker_thread+0x587/0xd30
[ 6011.795627][   T10]      kthread+0x28a/0x350
[ 6011.795627][   T10]      ret_from_fork+0x31/0x70
[ 6011.795627][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6011.795627][   T10] 
[ 6011.797532][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.797532][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.797532][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.797532][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.797532][   T10]      ip6_route_add+0x1c/0x140
[ 6011.797532][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6011.797532][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6011.797532][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.797532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.797532][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.797532][   T10]      netlink_unicast+0x449/0x710
[ 6011.797532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.797532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.797532][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.797532][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.797532][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.797532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.797532][   T10] 
[ 6011.799536][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.799536][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.799536][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.799536][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.799536][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6011.799536][   T10]      ipv6_add_addr+0x411/0x2000
[ 6011.799536][   T10]      inet6_addr_add+0x30e/0xa40
[ 6011.799536][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.799536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.799536][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.799536][   T10]      netlink_unicast+0x449/0x710
[ 6011.799536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.799536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.799536][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.799536][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.799536][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.799536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.799536][   T10] 
[ 6011.801531][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.801531][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.801531][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.801531][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.801531][   T10]      ip6_route_add+0x1c/0x140
[ 6011.801531][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6011.801531][   T10]      addrconf_add_dev+0xe2/0x170
[ 6011.801531][   T10]      inet6_addr_add+0x12f/0xa40
[ 6011.801531][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.801531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.801531][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.801531][   T10]      netlink_unicast+0x449/0x710
[ 6011.801531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.801531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.801531][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.801531][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.801531][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.801531][   T10] 
[ 6011.803685][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.803685][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6011.803685][   T10]      ipv6_find_idev+0x102/0x170
[ 6011.803685][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6011.803685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.803685][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.803685][   T10]      netlink_unicast+0x449/0x710
[ 6011.803685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.803685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.803685][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.803685][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.803685][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.803685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.803685][   T10] 
[ 6011.805466][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6011.805466][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6011.805466][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6011.805466][   T10]      ipv6_find_idev+0x102/0x170
[ 6011.805466][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6011.805466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.805466][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.805466][   T10]      netlink_unicast+0x449/0x710
[ 6011.805466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.805466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.805466][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.805466][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.805466][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.805466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.805466][   T10] 
[ 6011.807337][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6011.807586][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6011.807586][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.807586][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.807586][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.807586][   T10]      ip6_route_add+0x1c/0x140
[ 6011.807586][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6011.807586][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6011.807586][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.807586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.807586][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.807586][   T10]      netlink_unicast+0x449/0x710
[ 6011.807586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.807586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.807586][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.807586][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.807586][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.807586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.807586][   T10] 
[ 6011.809828][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6011.809828][   T10]      netdev_get_by_index+0x5e/0x80
[ 6011.809828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6011.809828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6011.809828][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6011.809828][   T10]      ipv6_add_addr+0x411/0x2000
[ 6011.809828][   T10]      inet6_addr_add+0x30e/0xa40
[ 6011.809828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6011.809828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.809828][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.809828][   T10]      netlink_unicast+0x449/0x710
[ 6011.809828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.809828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.809828][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.809828][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.809828][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.809828][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.809828][   T10] 
[ 6011.812055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6011.812055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6011.812055][   T10]      ipv6_find_idev+0x102/0x170
[ 6011.812055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6011.812055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.812055][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.812055][   T10]      netlink_unicast+0x449/0x710
[ 6011.812055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.812055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.812055][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.812055][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.812055][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.812055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.812055][   T10] 
[ 6011.813838][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6011.813838][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6011.813838][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6011.813838][   T10]      ipv6_find_idev+0x102/0x170
[ 6011.813838][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6011.813838][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6011.813838][   T10]      netlink_rcv_skb+0x130/0x360
[ 6011.813838][   T10]      netlink_unicast+0x449/0x710
[ 6011.813838][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6011.813838][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6011.813838][   T10]      ___sys_sendmsg+0xee/0x170
[ 6011.813838][   T10]      __sys_sendmsg+0xcd/0x170
[ 6011.813838][   T10]      do_syscall_64+0xc6/0x1e0
[ 6011.813838][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6011.813838][   T10] 
[ 6022.056852][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6022.057500][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.057500][   T10]      dst_init+0x84/0x4a0
[ 6022.057500][   T10]      dst_alloc+0x97/0x150
[ 6022.057500][   T10]      ip6_dst_alloc+0x23/0x90
[ 6022.057500][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6022.057500][   T10]      ip6_pol_route+0x56f/0x840
[ 6022.057500][   T10]      fib6_rule_lookup+0x456/0x630
[ 6022.057500][   T10]      ip6_route_input+0x59c/0xa50
[ 6022.057500][   T10]      ipv6_rcv+0x397/0x810
[ 6022.057500][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6022.057500][   T10]      process_backlog+0x101/0x620
[ 6022.057500][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6022.057500][   T10]      net_rx_action+0x495/0xbe0
[ 6022.057500][   T10]      __do_softirq+0x1b5/0x7f6
[ 6022.057500][   T10] 
[ 6022.059144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.059144][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6022.059144][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6022.059144][   T10]      fib6_nh_init+0xa22/0x1580
[ 6022.059144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.059144][   T10]      ip6_route_add+0x1c/0x140
[ 6022.059144][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6022.059144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.059144][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.059144][   T10]      netlink_unicast+0x449/0x710
[ 6022.059144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.059144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.059144][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.059144][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.059144][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.059144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.059144][   T10] 
[ 6022.061020][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.061020][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.061020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.061020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.061020][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6022.061020][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6022.061020][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6022.061020][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6022.061020][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6022.061020][   T10]      addrconf_dad_begin+0x310/0x670
[ 6022.061020][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6022.061020][   T10]      process_one_work+0x84d/0x18a0
[ 6022.061020][   T10]      worker_thread+0x587/0xd30
[ 6022.061020][   T10]      kthread+0x28a/0x350
[ 6022.061020][   T10]      ret_from_fork+0x31/0x70
[ 6022.061020][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6022.061020][   T10] 
[ 6022.062904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.062904][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.062904][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.062904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.062904][   T10]      ip6_route_add+0x1c/0x140
[ 6022.062904][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6022.062904][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6022.062904][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.062904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.062904][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.062904][   T10]      netlink_unicast+0x449/0x710
[ 6022.062904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.062904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.062904][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.062904][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.062904][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.062904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.062904][   T10] 
[ 6022.064856][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.064856][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.064856][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.064856][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.064856][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6022.064856][   T10]      ipv6_add_addr+0x411/0x2000
[ 6022.064856][   T10]      inet6_addr_add+0x30e/0xa40
[ 6022.064856][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.064856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.064856][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.064856][   T10]      netlink_unicast+0x449/0x710
[ 6022.064856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.064856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.064856][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.064856][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.064856][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.064856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.064856][   T10] 
[ 6022.066817][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.066817][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.066817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.066817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.066817][   T10]      ip6_route_add+0x1c/0x140
[ 6022.066817][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6022.066817][   T10]      addrconf_add_dev+0xe2/0x170
[ 6022.066817][   T10]      inet6_addr_add+0x12f/0xa40
[ 6022.066817][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.066817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.066817][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.066817][   T10]      netlink_unicast+0x449/0x710
[ 6022.066817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.066817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.066817][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.066817][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.066817][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.066817][   T10] 
[ 6022.068765][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.068765][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6022.068765][   T10]      ipv6_find_idev+0x102/0x170
[ 6022.068765][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6022.068765][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.068765][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.068765][   T10]      netlink_unicast+0x449/0x710
[ 6022.068765][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.068765][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.068765][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.068765][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.068765][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.068765][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.068765][   T10] 
[ 6022.070298][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6022.070298][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6022.070298][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6022.070298][   T10]      ipv6_find_idev+0x102/0x170
[ 6022.070298][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6022.070298][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.070298][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.070298][   T10]      netlink_unicast+0x449/0x710
[ 6022.070298][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.070298][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.070298][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.070298][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.070298][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.070298][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.070298][   T10] 
[ 6022.071952][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6022.072187][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.072187][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6022.072187][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6022.072187][   T10]      fib6_nh_init+0xa22/0x1580
[ 6022.072187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.072187][   T10]      ip6_route_add+0x1c/0x140
[ 6022.072187][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6022.072187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.072187][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.072187][   T10]      netlink_unicast+0x449/0x710
[ 6022.072187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.072187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.072187][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.072187][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.072187][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.072187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.072187][   T10] 
[ 6022.074054][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.074054][   T10]      dst_init+0x84/0x4a0
[ 6022.074054][   T10]      dst_alloc+0x97/0x150
[ 6022.074054][   T10]      ip6_dst_alloc+0x23/0x90
[ 6022.074054][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6022.074054][   T10]      ip6_pol_route+0x56f/0x840
[ 6022.074054][   T10]      fib6_rule_lookup+0x456/0x630
[ 6022.074054][   T10]      ip6_route_input+0x59c/0xa50
[ 6022.074054][   T10]      ipv6_rcv+0x397/0x810
[ 6022.074054][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6022.074054][   T10]      process_backlog+0x101/0x620
[ 6022.074054][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6022.074054][   T10]      net_rx_action+0x495/0xbe0
[ 6022.074054][   T10]      __do_softirq+0x1b5/0x7f6
[ 6022.074054][   T10] 
[ 6022.075666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.075666][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.075666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.075666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.075666][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6022.075666][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6022.075666][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6022.075666][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6022.075666][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6022.075666][   T10]      addrconf_dad_begin+0x310/0x670
[ 6022.075666][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6022.075666][   T10]      process_one_work+0x84d/0x18a0
[ 6022.075666][   T10]      worker_thread+0x587/0xd30
[ 6022.075666][   T10]      kthread+0x28a/0x350
[ 6022.075666][   T10]      ret_from_fork+0x31/0x70
[ 6022.075666][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6022.075666][   T10] 
[ 6022.077533][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.077533][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.077533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.077533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.077533][   T10]      ip6_route_add+0x1c/0x140
[ 6022.077533][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6022.077533][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6022.077533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.077533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.077533][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.077533][   T10]      netlink_unicast+0x449/0x710
[ 6022.077533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.077533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.077533][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.077533][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.077533][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.077533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.077533][   T10] 
[ 6022.079566][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.079566][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.079566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.079566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.079566][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6022.079566][   T10]      ipv6_add_addr+0x411/0x2000
[ 6022.079566][   T10]      inet6_addr_add+0x30e/0xa40
[ 6022.079566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.079566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.079566][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.079566][   T10]      netlink_unicast+0x449/0x710
[ 6022.079566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.079566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.079566][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.079566][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.079566][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.079566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.079566][   T10] 
[ 6022.081599][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.081599][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.081599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.081599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.081599][   T10]      ip6_route_add+0x1c/0x140
[ 6022.081599][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6022.081599][   T10]      addrconf_add_dev+0xe2/0x170
[ 6022.081599][   T10]      inet6_addr_add+0x12f/0xa40
[ 6022.081599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.081599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.081599][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.081599][   T10]      netlink_unicast+0x449/0x710
[ 6022.081599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.081599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.081599][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.081599][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.081599][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.081599][   T10] 
[ 6022.083739][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.083739][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6022.083739][   T10]      ipv6_find_idev+0x102/0x170
[ 6022.083739][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6022.083739][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.083739][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.083739][   T10]      netlink_unicast+0x449/0x710
[ 6022.083739][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.083739][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.083739][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.083739][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.083739][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.083739][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.083739][   T10] 
[ 6022.085431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6022.085431][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6022.085431][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6022.085431][   T10]      ipv6_find_idev+0x102/0x170
[ 6022.085431][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6022.085431][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.085431][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.085431][   T10]      netlink_unicast+0x449/0x710
[ 6022.085431][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.085431][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.085431][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.085431][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.085431][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.085431][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.085431][   T10] 
[ 6022.087884][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6022.088143][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6022.088143][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.088143][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.088143][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.088143][   T10]      ip6_route_add+0x1c/0x140
[ 6022.088143][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6022.088143][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6022.088143][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.088143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.088143][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.088143][   T10]      netlink_unicast+0x449/0x710
[ 6022.088143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.088143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.088143][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.088143][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.088143][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.088143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.088143][   T10] 
[ 6022.090392][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6022.090392][   T10]      netdev_get_by_index+0x5e/0x80
[ 6022.090392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6022.090392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6022.090392][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6022.090392][   T10]      ipv6_add_addr+0x411/0x2000
[ 6022.090392][   T10]      inet6_addr_add+0x30e/0xa40
[ 6022.090392][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6022.090392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.090392][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.090392][   T10]      netlink_unicast+0x449/0x710
[ 6022.090392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.090392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.090392][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.090392][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.090392][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.090392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.090392][   T10] 
[ 6022.092611][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6022.092611][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6022.092611][   T10]      ipv6_find_idev+0x102/0x170
[ 6022.092611][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6022.092611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.092611][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.092611][   T10]      netlink_unicast+0x449/0x710
[ 6022.092611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.092611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.092611][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.092611][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.092611][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.092611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.092611][   T10] 
[ 6022.094326][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6022.094326][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6022.094326][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6022.094326][   T10]      ipv6_find_idev+0x102/0x170
[ 6022.094326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6022.094326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6022.094326][   T10]      netlink_rcv_skb+0x130/0x360
[ 6022.094326][   T10]      netlink_unicast+0x449/0x710
[ 6022.094326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6022.094326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6022.094326][   T10]      ___sys_sendmsg+0xee/0x170
[ 6022.094326][   T10]      __sys_sendmsg+0xcd/0x170
[ 6022.094326][   T10]      do_syscall_64+0xc6/0x1e0
[ 6022.094326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6022.094326][   T10] 
[ 6032.336820][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6032.337536][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.337536][   T10]      dst_init+0x84/0x4a0
[ 6032.337536][   T10]      dst_alloc+0x97/0x150
[ 6032.337536][   T10]      ip6_dst_alloc+0x23/0x90
[ 6032.337536][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6032.337536][   T10]      ip6_pol_route+0x56f/0x840
[ 6032.337536][   T10]      fib6_rule_lookup+0x456/0x630
[ 6032.337536][   T10]      ip6_route_input+0x59c/0xa50
[ 6032.337536][   T10]      ipv6_rcv+0x397/0x810
[ 6032.337536][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6032.337536][   T10]      process_backlog+0x101/0x620
[ 6032.337536][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6032.337536][   T10]      net_rx_action+0x495/0xbe0
[ 6032.337536][   T10]      __do_softirq+0x1b5/0x7f6
[ 6032.337536][   T10] 
[ 6032.339209][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.339209][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6032.339209][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6032.339209][   T10]      fib6_nh_init+0xa22/0x1580
[ 6032.339209][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.339209][   T10]      ip6_route_add+0x1c/0x140
[ 6032.339209][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6032.339209][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.339209][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.339209][   T10]      netlink_unicast+0x449/0x710
[ 6032.339209][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.339209][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.339209][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.339209][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.339209][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.339209][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.339209][   T10] 
[ 6032.341096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.341096][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.341096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.341096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.341096][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6032.341096][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6032.341096][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6032.341096][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6032.341096][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6032.341096][   T10]      addrconf_dad_begin+0x310/0x670
[ 6032.341096][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6032.341096][   T10]      process_one_work+0x84d/0x18a0
[ 6032.341096][   T10]      worker_thread+0x587/0xd30
[ 6032.341096][   T10]      kthread+0x28a/0x350
[ 6032.341096][   T10]      ret_from_fork+0x31/0x70
[ 6032.341096][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6032.341096][   T10] 
[ 6032.343039][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.343039][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.343039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.343039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.343039][   T10]      ip6_route_add+0x1c/0x140
[ 6032.343039][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6032.343039][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6032.343039][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.343039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.343039][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.343039][   T10]      netlink_unicast+0x449/0x710
[ 6032.343039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.343039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.343039][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.343039][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.343039][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.343039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.343039][   T10] 
[ 6032.345036][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.345036][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.345036][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.345036][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.345036][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6032.345036][   T10]      ipv6_add_addr+0x411/0x2000
[ 6032.345036][   T10]      inet6_addr_add+0x30e/0xa40
[ 6032.345036][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.345036][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.345036][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.345036][   T10]      netlink_unicast+0x449/0x710
[ 6032.345036][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.345036][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.345036][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.345036][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.345036][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.345036][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.345036][   T10] 
[ 6032.347037][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.347037][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.347037][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.347037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.347037][   T10]      ip6_route_add+0x1c/0x140
[ 6032.347037][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6032.347037][   T10]      addrconf_add_dev+0xe2/0x170
[ 6032.347037][   T10]      inet6_addr_add+0x12f/0xa40
[ 6032.347037][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.347037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.347037][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.347037][   T10]      netlink_unicast+0x449/0x710
[ 6032.347037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.347037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.347037][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.347037][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.347037][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.347037][   T10] 
[ 6032.349008][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.349008][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6032.349008][   T10]      ipv6_find_idev+0x102/0x170
[ 6032.349008][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6032.349008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.349008][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.349008][   T10]      netlink_unicast+0x449/0x710
[ 6032.349008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.349008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.349008][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.349008][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.349008][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.349008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.349008][   T10] 
[ 6032.350544][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6032.350544][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6032.350544][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6032.350544][   T10]      ipv6_find_idev+0x102/0x170
[ 6032.350544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6032.350544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.350544][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.350544][   T10]      netlink_unicast+0x449/0x710
[ 6032.350544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.350544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.350544][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.350544][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.350544][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.350544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.350544][   T10] 
[ 6032.352237][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6032.352478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.352478][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6032.352478][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6032.352478][   T10]      fib6_nh_init+0xa22/0x1580
[ 6032.352478][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.352478][   T10]      ip6_route_add+0x1c/0x140
[ 6032.352478][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6032.352478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.352478][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.352478][   T10]      netlink_unicast+0x449/0x710
[ 6032.352478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.352478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.352478][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.352478][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.352478][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.352478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.352478][   T10] 
[ 6032.354360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.354360][   T10]      dst_init+0x84/0x4a0
[ 6032.354360][   T10]      dst_alloc+0x97/0x150
[ 6032.354360][   T10]      ip6_dst_alloc+0x23/0x90
[ 6032.354360][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6032.354360][   T10]      ip6_pol_route+0x56f/0x840
[ 6032.354360][   T10]      fib6_rule_lookup+0x456/0x630
[ 6032.354360][   T10]      ip6_route_input+0x59c/0xa50
[ 6032.354360][   T10]      ipv6_rcv+0x397/0x810
[ 6032.354360][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6032.354360][   T10]      process_backlog+0x101/0x620
[ 6032.354360][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6032.354360][   T10]      net_rx_action+0x495/0xbe0
[ 6032.354360][   T10]      __do_softirq+0x1b5/0x7f6
[ 6032.354360][   T10] 
[ 6032.355993][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.355993][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.355993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.355993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.355993][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6032.355993][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6032.355993][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6032.355993][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6032.355993][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6032.355993][   T10]      addrconf_dad_begin+0x310/0x670
[ 6032.355993][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6032.355993][   T10]      process_one_work+0x84d/0x18a0
[ 6032.355993][   T10]      worker_thread+0x587/0xd30
[ 6032.355993][   T10]      kthread+0x28a/0x350
[ 6032.355993][   T10]      ret_from_fork+0x31/0x70
[ 6032.355993][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6032.355993][   T10] 
[ 6032.357892][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.357892][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.357892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.357892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.357892][   T10]      ip6_route_add+0x1c/0x140
[ 6032.357892][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6032.357892][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6032.357892][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.357892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.357892][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.357892][   T10]      netlink_unicast+0x449/0x710
[ 6032.357892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.357892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.357892][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.357892][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.357892][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.357892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.357892][   T10] 
[ 6032.359895][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.359895][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.359895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.359895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.359895][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6032.359895][   T10]      ipv6_add_addr+0x411/0x2000
[ 6032.359895][   T10]      inet6_addr_add+0x30e/0xa40
[ 6032.359895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.359895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.359895][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.359895][   T10]      netlink_unicast+0x449/0x710
[ 6032.359895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.359895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.359895][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.359895][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.359895][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.359895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.359895][   T10] 
[ 6032.361888][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.361888][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.361888][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.361888][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.361888][   T10]      ip6_route_add+0x1c/0x140
[ 6032.361888][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6032.361888][   T10]      addrconf_add_dev+0xe2/0x170
[ 6032.361888][   T10]      inet6_addr_add+0x12f/0xa40
[ 6032.361888][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.361888][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.361888][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.361888][   T10]      netlink_unicast+0x449/0x710
[ 6032.361888][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.361888][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.361888][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.361888][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.361888][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.361888][   T10] 
[ 6032.363978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.363978][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6032.363978][   T10]      ipv6_find_idev+0x102/0x170
[ 6032.363978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6032.363978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.363978][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.363978][   T10]      netlink_unicast+0x449/0x710
[ 6032.363978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.363978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.363978][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.363978][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.363978][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.363978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.363978][   T10] 
[ 6032.365762][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6032.365762][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6032.365762][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6032.365762][   T10]      ipv6_find_idev+0x102/0x170
[ 6032.365762][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6032.365762][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.365762][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.365762][   T10]      netlink_unicast+0x449/0x710
[ 6032.365762][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.365762][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.365762][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.365762][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.365762][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.365762][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.365762][   T10] 
[ 6032.367626][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6032.367933][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6032.367933][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.367933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.367933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.367933][   T10]      ip6_route_add+0x1c/0x140
[ 6032.367933][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6032.367933][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6032.367933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.367933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.367933][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.367933][   T10]      netlink_unicast+0x449/0x710
[ 6032.367933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.367933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.367933][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.367933][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.367933][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.367933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.367933][   T10] 
[ 6032.370112][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6032.370112][   T10]      netdev_get_by_index+0x5e/0x80
[ 6032.370112][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6032.370112][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6032.370112][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6032.370112][   T10]      ipv6_add_addr+0x411/0x2000
[ 6032.370112][   T10]      inet6_addr_add+0x30e/0xa40
[ 6032.370112][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6032.370112][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.370112][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.370112][   T10]      netlink_unicast+0x449/0x710
[ 6032.370112][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.370112][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.370112][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.370112][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.370112][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.370112][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.370112][   T10] 
[ 6032.372229][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6032.372229][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6032.372229][   T10]      ipv6_find_idev+0x102/0x170
[ 6032.372229][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6032.372229][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.372229][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.372229][   T10]      netlink_unicast+0x449/0x710
[ 6032.372229][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.372229][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.372229][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.372229][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.372229][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.372229][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.372229][   T10] 
[ 6032.373944][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6032.373944][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6032.373944][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6032.373944][   T10]      ipv6_find_idev+0x102/0x170
[ 6032.373944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6032.373944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6032.373944][   T10]      netlink_rcv_skb+0x130/0x360
[ 6032.373944][   T10]      netlink_unicast+0x449/0x710
[ 6032.373944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6032.373944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6032.373944][   T10]      ___sys_sendmsg+0xee/0x170
[ 6032.373944][   T10]      __sys_sendmsg+0xcd/0x170
[ 6032.373944][   T10]      do_syscall_64+0xc6/0x1e0
[ 6032.373944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6032.373944][   T10] 
[ 6042.408773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6042.409446][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.409446][   T10]      dst_init+0x84/0x4a0
[ 6042.409446][   T10]      dst_alloc+0x97/0x150
[ 6042.409446][   T10]      ip6_dst_alloc+0x23/0x90
[ 6042.409446][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6042.409446][   T10]      ip6_pol_route+0x56f/0x840
[ 6042.409446][   T10]      fib6_rule_lookup+0x456/0x630
[ 6042.409446][   T10]      ip6_route_input+0x59c/0xa50
[ 6042.409446][   T10]      ipv6_rcv+0x397/0x810
[ 6042.409446][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6042.409446][   T10]      process_backlog+0x101/0x620
[ 6042.409446][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6042.409446][   T10]      net_rx_action+0x495/0xbe0
[ 6042.409446][   T10]      __do_softirq+0x1b5/0x7f6
[ 6042.409446][   T10] 
[ 6042.411083][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.411083][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6042.411083][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6042.411083][   T10]      fib6_nh_init+0xa22/0x1580
[ 6042.411083][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.411083][   T10]      ip6_route_add+0x1c/0x140
[ 6042.411083][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6042.411083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.411083][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.411083][   T10]      netlink_unicast+0x449/0x710
[ 6042.411083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.411083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.411083][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.411083][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.411083][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.411083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.411083][   T10] 
[ 6042.412972][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.412972][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.412972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.412972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.412972][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6042.412972][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6042.412972][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6042.412972][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6042.412972][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6042.412972][   T10]      addrconf_dad_begin+0x310/0x670
[ 6042.412972][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6042.412972][   T10]      process_one_work+0x84d/0x18a0
[ 6042.412972][   T10]      worker_thread+0x587/0xd30
[ 6042.412972][   T10]      kthread+0x28a/0x350
[ 6042.412972][   T10]      ret_from_fork+0x31/0x70
[ 6042.412972][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6042.412972][   T10] 
[ 6042.414881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.414881][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.414881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.414881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.414881][   T10]      ip6_route_add+0x1c/0x140
[ 6042.414881][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6042.414881][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6042.414881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.414881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.414881][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.414881][   T10]      netlink_unicast+0x449/0x710
[ 6042.414881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.414881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.414881][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.414881][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.414881][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.414881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.414881][   T10] 
[ 6042.416824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.416824][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.416824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.416824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.416824][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6042.416824][   T10]      ipv6_add_addr+0x411/0x2000
[ 6042.416824][   T10]      inet6_addr_add+0x30e/0xa40
[ 6042.416824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.416824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.416824][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.416824][   T10]      netlink_unicast+0x449/0x710
[ 6042.416824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.416824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.416824][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.416824][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.416824][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.416824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.416824][   T10] 
[ 6042.418832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.418832][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.418832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.418832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.418832][   T10]      ip6_route_add+0x1c/0x140
[ 6042.418832][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6042.418832][   T10]      addrconf_add_dev+0xe2/0x170
[ 6042.418832][   T10]      inet6_addr_add+0x12f/0xa40
[ 6042.418832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.418832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.418832][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.418832][   T10]      netlink_unicast+0x449/0x710
[ 6042.418832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.418832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.418832][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.418832][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.418832][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.418832][   T10] 
[ 6042.420825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.420825][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6042.420825][   T10]      ipv6_find_idev+0x102/0x170
[ 6042.420825][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6042.420825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.420825][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.420825][   T10]      netlink_unicast+0x449/0x710
[ 6042.420825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.420825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.420825][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.420825][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.420825][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.420825][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.420825][   T10] 
[ 6042.422354][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6042.422354][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6042.422354][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6042.422354][   T10]      ipv6_find_idev+0x102/0x170
[ 6042.422354][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6042.422354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.422354][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.422354][   T10]      netlink_unicast+0x449/0x710
[ 6042.422354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.422354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.422354][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.422354][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.422354][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.422354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.422354][   T10] 
[ 6042.424090][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6042.424342][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.424342][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6042.424342][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6042.424342][   T10]      fib6_nh_init+0xa22/0x1580
[ 6042.424342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.424342][   T10]      ip6_route_add+0x1c/0x140
[ 6042.424342][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6042.424342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.424342][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.424342][   T10]      netlink_unicast+0x449/0x710
[ 6042.424342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.424342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.424342][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.424342][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.424342][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.424342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.424342][   T10] 
[ 6042.426223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.426223][   T10]      dst_init+0x84/0x4a0
[ 6042.426223][   T10]      dst_alloc+0x97/0x150
[ 6042.426223][   T10]      ip6_dst_alloc+0x23/0x90
[ 6042.426223][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6042.426223][   T10]      ip6_pol_route+0x56f/0x840
[ 6042.426223][   T10]      fib6_rule_lookup+0x456/0x630
[ 6042.426223][   T10]      ip6_route_input+0x59c/0xa50
[ 6042.426223][   T10]      ipv6_rcv+0x397/0x810
[ 6042.426223][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6042.426223][   T10]      process_backlog+0x101/0x620
[ 6042.426223][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6042.426223][   T10]      net_rx_action+0x495/0xbe0
[ 6042.426223][   T10]      __do_softirq+0x1b5/0x7f6
[ 6042.426223][   T10] 
[ 6042.427845][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.427845][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.427845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.427845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.427845][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6042.427845][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6042.427845][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6042.427845][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6042.427845][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6042.427845][   T10]      addrconf_dad_begin+0x310/0x670
[ 6042.427845][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6042.427845][   T10]      process_one_work+0x84d/0x18a0
[ 6042.427845][   T10]      worker_thread+0x587/0xd30
[ 6042.427845][   T10]      kthread+0x28a/0x350
[ 6042.427845][   T10]      ret_from_fork+0x31/0x70
[ 6042.427845][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6042.427845][   T10] 
[ 6042.429769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.429769][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.429769][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.429769][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.429769][   T10]      ip6_route_add+0x1c/0x140
[ 6042.429769][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6042.429769][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6042.429769][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.429769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.429769][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.429769][   T10]      netlink_unicast+0x449/0x710
[ 6042.429769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.429769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.429769][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.429769][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.429769][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.429769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.429769][   T10] 
[ 6042.431764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.431764][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.431764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.431764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.431764][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6042.431764][   T10]      ipv6_add_addr+0x411/0x2000
[ 6042.431764][   T10]      inet6_addr_add+0x30e/0xa40
[ 6042.431764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.431764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.431764][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.431764][   T10]      netlink_unicast+0x449/0x710
[ 6042.431764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.431764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.431764][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.431764][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.431764][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.431764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.431764][   T10] 
[ 6042.433756][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.433756][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.433756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.433756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.433756][   T10]      ip6_route_add+0x1c/0x140
[ 6042.433756][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6042.433756][   T10]      addrconf_add_dev+0xe2/0x170
[ 6042.433756][   T10]      inet6_addr_add+0x12f/0xa40
[ 6042.433756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.433756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.433756][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.433756][   T10]      netlink_unicast+0x449/0x710
[ 6042.433756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.433756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.433756][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.433756][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.433756][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.433756][   T10] 
[ 6042.435821][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.435821][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6042.435821][   T10]      ipv6_find_idev+0x102/0x170
[ 6042.435821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6042.435821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.435821][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.435821][   T10]      netlink_unicast+0x449/0x710
[ 6042.435821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.435821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.435821][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.435821][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.435821][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.435821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.435821][   T10] 
[ 6042.437494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6042.437494][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6042.437494][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6042.437494][   T10]      ipv6_find_idev+0x102/0x170
[ 6042.437494][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6042.437494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.437494][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.437494][   T10]      netlink_unicast+0x449/0x710
[ 6042.437494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.437494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.437494][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.437494][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.437494][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.437494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.437494][   T10] 
[ 6042.439436][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6042.439752][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6042.439752][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.439752][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.439752][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.439752][   T10]      ip6_route_add+0x1c/0x140
[ 6042.439752][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6042.439752][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6042.439752][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.439752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.439752][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.439752][   T10]      netlink_unicast+0x449/0x710
[ 6042.439752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.439752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.439752][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.439752][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.439752][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.439752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.439752][   T10] 
[ 6042.441951][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6042.441951][   T10]      netdev_get_by_index+0x5e/0x80
[ 6042.441951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6042.441951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6042.441951][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6042.441951][   T10]      ipv6_add_addr+0x411/0x2000
[ 6042.441951][   T10]      inet6_addr_add+0x30e/0xa40
[ 6042.441951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6042.441951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.441951][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.441951][   T10]      netlink_unicast+0x449/0x710
[ 6042.441951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.441951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.441951][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.441951][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.441951][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.441951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.441951][   T10] 
[ 6042.444104][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6042.444104][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6042.444104][   T10]      ipv6_find_idev+0x102/0x170
[ 6042.444104][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6042.444104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.444104][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.444104][   T10]      netlink_unicast+0x449/0x710
[ 6042.444104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.444104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.444104][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.444104][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.444104][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.444104][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.444104][   T10] 
[ 6042.445863][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6042.445863][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6042.445863][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6042.445863][   T10]      ipv6_find_idev+0x102/0x170
[ 6042.445863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6042.445863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6042.445863][   T10]      netlink_rcv_skb+0x130/0x360
[ 6042.445863][   T10]      netlink_unicast+0x449/0x710
[ 6042.445863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6042.445863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6042.445863][   T10]      ___sys_sendmsg+0xee/0x170
[ 6042.445863][   T10]      __sys_sendmsg+0xcd/0x170
[ 6042.445863][   T10]      do_syscall_64+0xc6/0x1e0
[ 6042.445863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6042.445863][   T10] 
[ 6052.504713][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6052.505168][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.505168][   T10]      dst_init+0x84/0x4a0
[ 6052.505168][   T10]      dst_alloc+0x97/0x150
[ 6052.505168][   T10]      ip6_dst_alloc+0x23/0x90
[ 6052.505168][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6052.505168][   T10]      ip6_pol_route+0x56f/0x840
[ 6052.505168][   T10]      fib6_rule_lookup+0x456/0x630
[ 6052.505168][   T10]      ip6_route_input+0x59c/0xa50
[ 6052.505168][   T10]      ipv6_rcv+0x397/0x810
[ 6052.505168][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6052.505168][   T10]      process_backlog+0x101/0x620
[ 6052.505168][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6052.505168][   T10]      net_rx_action+0x495/0xbe0
[ 6052.505168][   T10]      __do_softirq+0x1b5/0x7f6
[ 6052.505168][   T10] 
[ 6052.506843][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.506843][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6052.506843][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6052.506843][   T10]      fib6_nh_init+0xa22/0x1580
[ 6052.506843][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.506843][   T10]      ip6_route_add+0x1c/0x140
[ 6052.506843][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6052.506843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.506843][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.506843][   T10]      netlink_unicast+0x449/0x710
[ 6052.506843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.506843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.506843][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.506843][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.506843][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.506843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.506843][   T10] 
[ 6052.508741][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.508741][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.508741][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.508741][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.508741][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6052.508741][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6052.508741][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6052.508741][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6052.508741][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6052.508741][   T10]      addrconf_dad_begin+0x310/0x670
[ 6052.508741][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6052.508741][   T10]      process_one_work+0x84d/0x18a0
[ 6052.508741][   T10]      worker_thread+0x587/0xd30
[ 6052.508741][   T10]      kthread+0x28a/0x350
[ 6052.508741][   T10]      ret_from_fork+0x31/0x70
[ 6052.508741][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6052.508741][   T10] 
[ 6052.510641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.510641][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.510641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.510641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.510641][   T10]      ip6_route_add+0x1c/0x140
[ 6052.510641][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6052.510641][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6052.510641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.510641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.510641][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.510641][   T10]      netlink_unicast+0x449/0x710
[ 6052.510641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.510641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.510641][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.510641][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.510641][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.510641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.510641][   T10] 
[ 6052.512641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.512641][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.512641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.512641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.512641][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6052.512641][   T10]      ipv6_add_addr+0x411/0x2000
[ 6052.512641][   T10]      inet6_addr_add+0x30e/0xa40
[ 6052.512641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.512641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.512641][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.512641][   T10]      netlink_unicast+0x449/0x710
[ 6052.512641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.512641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.512641][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.512641][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.512641][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.512641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.512641][   T10] 
[ 6052.514635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.514635][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.514635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.514635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.514635][   T10]      ip6_route_add+0x1c/0x140
[ 6052.514635][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6052.514635][   T10]      addrconf_add_dev+0xe2/0x170
[ 6052.514635][   T10]      inet6_addr_add+0x12f/0xa40
[ 6052.514635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.514635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.514635][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.514635][   T10]      netlink_unicast+0x449/0x710
[ 6052.514635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.514635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.514635][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.514635][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.514635][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.514635][   T10] 
[ 6052.516600][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.516600][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6052.516600][   T10]      ipv6_find_idev+0x102/0x170
[ 6052.516600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6052.516600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.516600][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.516600][   T10]      netlink_unicast+0x449/0x710
[ 6052.516600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.516600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.516600][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.516600][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.516600][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.516600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.516600][   T10] 
[ 6052.518155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6052.518155][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6052.518155][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6052.518155][   T10]      ipv6_find_idev+0x102/0x170
[ 6052.518155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6052.518155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.518155][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.518155][   T10]      netlink_unicast+0x449/0x710
[ 6052.518155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.518155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.518155][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.518155][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.518155][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.518155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.518155][   T10] 
[ 6052.519851][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6052.520089][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.520089][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6052.520089][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6052.520089][   T10]      fib6_nh_init+0xa22/0x1580
[ 6052.520089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.520089][   T10]      ip6_route_add+0x1c/0x140
[ 6052.520089][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6052.520089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.520089][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.520089][   T10]      netlink_unicast+0x449/0x710
[ 6052.520089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.520089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.520089][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.520089][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.520089][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.520089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.520089][   T10] 
[ 6052.521964][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.521964][   T10]      dst_init+0x84/0x4a0
[ 6052.521964][   T10]      dst_alloc+0x97/0x150
[ 6052.521964][   T10]      ip6_dst_alloc+0x23/0x90
[ 6052.521964][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6052.521964][   T10]      ip6_pol_route+0x56f/0x840
[ 6052.521964][   T10]      fib6_rule_lookup+0x456/0x630
[ 6052.521964][   T10]      ip6_route_input+0x59c/0xa50
[ 6052.521964][   T10]      ipv6_rcv+0x397/0x810
[ 6052.521964][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6052.521964][   T10]      process_backlog+0x101/0x620
[ 6052.521964][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6052.521964][   T10]      net_rx_action+0x495/0xbe0
[ 6052.521964][   T10]      __do_softirq+0x1b5/0x7f6
[ 6052.521964][   T10] 
[ 6052.523595][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.523595][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.523595][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.523595][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.523595][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6052.523595][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6052.523595][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6052.523595][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6052.523595][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6052.523595][   T10]      addrconf_dad_begin+0x310/0x670
[ 6052.523595][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6052.523595][   T10]      process_one_work+0x84d/0x18a0
[ 6052.523595][   T10]      worker_thread+0x587/0xd30
[ 6052.523595][   T10]      kthread+0x28a/0x350
[ 6052.523595][   T10]      ret_from_fork+0x31/0x70
[ 6052.523595][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6052.523595][   T10] 
[ 6052.525499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.525499][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.525499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.525499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.525499][   T10]      ip6_route_add+0x1c/0x140
[ 6052.525499][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6052.525499][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6052.525499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.525499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.525499][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.525499][   T10]      netlink_unicast+0x449/0x710
[ 6052.525499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.525499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.525499][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.525499][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.525499][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.525499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.525499][   T10] 
[ 6052.528042][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.528042][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.528042][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.528042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.528042][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6052.528042][   T10]      ipv6_add_addr+0x411/0x2000
[ 6052.528042][   T10]      inet6_addr_add+0x30e/0xa40
[ 6052.528042][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.528042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.528042][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.528042][   T10]      netlink_unicast+0x449/0x710
[ 6052.528042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.528042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.528042][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.528042][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.528042][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.528042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.528042][   T10] 
[ 6052.530035][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.530035][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.530035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.530035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.530035][   T10]      ip6_route_add+0x1c/0x140
[ 6052.530035][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6052.530035][   T10]      addrconf_add_dev+0xe2/0x170
[ 6052.530035][   T10]      inet6_addr_add+0x12f/0xa40
[ 6052.530035][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.530035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.530035][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.530035][   T10]      netlink_unicast+0x449/0x710
[ 6052.530035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.530035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.530035][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.530035][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.530035][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.530035][   T10] 
[ 6052.532068][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.532068][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6052.532068][   T10]      ipv6_find_idev+0x102/0x170
[ 6052.532068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6052.532068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.532068][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.532068][   T10]      netlink_unicast+0x449/0x710
[ 6052.532068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.532068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.532068][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.532068][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.532068][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.532068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.532068][   T10] 
[ 6052.533729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6052.533729][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6052.533729][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6052.533729][   T10]      ipv6_find_idev+0x102/0x170
[ 6052.533729][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6052.533729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.533729][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.533729][   T10]      netlink_unicast+0x449/0x710
[ 6052.533729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.533729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.533729][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.533729][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.533729][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.533729][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.533729][   T10] 
[ 6052.535538][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6052.535790][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6052.535790][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.535790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.535790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.535790][   T10]      ip6_route_add+0x1c/0x140
[ 6052.535790][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6052.535790][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6052.535790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.535790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.535790][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.535790][   T10]      netlink_unicast+0x449/0x710
[ 6052.535790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.535790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.535790][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.535790][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.535790][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.535790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.535790][   T10] 
[ 6052.537914][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6052.537914][   T10]      netdev_get_by_index+0x5e/0x80
[ 6052.537914][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6052.537914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6052.537914][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6052.537914][   T10]      ipv6_add_addr+0x411/0x2000
[ 6052.537914][   T10]      inet6_addr_add+0x30e/0xa40
[ 6052.537914][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6052.537914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.537914][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.537914][   T10]      netlink_unicast+0x449/0x710
[ 6052.537914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.537914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.537914][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.537914][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.537914][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.537914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.537914][   T10] 
[ 6052.540028][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6052.540028][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6052.540028][   T10]      ipv6_find_idev+0x102/0x170
[ 6052.540028][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6052.540028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.540028][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.540028][   T10]      netlink_unicast+0x449/0x710
[ 6052.540028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.540028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.540028][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.540028][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.540028][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.540028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.540028][   T10] 
[ 6052.541689][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6052.541689][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6052.541689][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6052.541689][   T10]      ipv6_find_idev+0x102/0x170
[ 6052.541689][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6052.541689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6052.541689][   T10]      netlink_rcv_skb+0x130/0x360
[ 6052.541689][   T10]      netlink_unicast+0x449/0x710
[ 6052.541689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6052.541689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6052.541689][   T10]      ___sys_sendmsg+0xee/0x170
[ 6052.541689][   T10]      __sys_sendmsg+0xcd/0x170
[ 6052.541689][   T10]      do_syscall_64+0xc6/0x1e0
[ 6052.541689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6052.541689][   T10] 
[ 6062.616780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6062.617419][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.617419][   T10]      dst_init+0x84/0x4a0
[ 6062.617419][   T10]      dst_alloc+0x97/0x150
[ 6062.617419][   T10]      ip6_dst_alloc+0x23/0x90
[ 6062.617419][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6062.617419][   T10]      ip6_pol_route+0x56f/0x840
[ 6062.617419][   T10]      fib6_rule_lookup+0x456/0x630
[ 6062.617419][   T10]      ip6_route_input+0x59c/0xa50
[ 6062.617419][   T10]      ipv6_rcv+0x397/0x810
[ 6062.617419][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6062.617419][   T10]      process_backlog+0x101/0x620
[ 6062.617419][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6062.617419][   T10]      net_rx_action+0x495/0xbe0
[ 6062.617419][   T10]      __do_softirq+0x1b5/0x7f6
[ 6062.617419][   T10] 
[ 6062.619067][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.619067][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6062.619067][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6062.619067][   T10]      fib6_nh_init+0xa22/0x1580
[ 6062.619067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.619067][   T10]      ip6_route_add+0x1c/0x140
[ 6062.619067][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6062.619067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.619067][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.619067][   T10]      netlink_unicast+0x449/0x710
[ 6062.619067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.619067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.619067][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.619067][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.619067][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.619067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.619067][   T10] 
[ 6062.620939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.620939][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.620939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.620939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.620939][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6062.620939][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6062.620939][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6062.620939][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6062.620939][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6062.620939][   T10]      addrconf_dad_begin+0x310/0x670
[ 6062.620939][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6062.620939][   T10]      process_one_work+0x84d/0x18a0
[ 6062.620939][   T10]      worker_thread+0x587/0xd30
[ 6062.620939][   T10]      kthread+0x28a/0x350
[ 6062.620939][   T10]      ret_from_fork+0x31/0x70
[ 6062.620939][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6062.620939][   T10] 
[ 6062.622851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.622851][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.622851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.622851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.622851][   T10]      ip6_route_add+0x1c/0x140
[ 6062.622851][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6062.622851][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6062.622851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.622851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.622851][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.622851][   T10]      netlink_unicast+0x449/0x710
[ 6062.622851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.622851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.622851][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.622851][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.622851][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.622851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.622851][   T10] 
[ 6062.624818][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.624818][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.624818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.624818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.624818][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6062.624818][   T10]      ipv6_add_addr+0x411/0x2000
[ 6062.624818][   T10]      inet6_addr_add+0x30e/0xa40
[ 6062.624818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.624818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.624818][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.624818][   T10]      netlink_unicast+0x449/0x710
[ 6062.624818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.624818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.624818][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.624818][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.624818][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.624818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.624818][   T10] 
[ 6062.626784][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.626784][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.626784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.626784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.626784][   T10]      ip6_route_add+0x1c/0x140
[ 6062.626784][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6062.626784][   T10]      addrconf_add_dev+0xe2/0x170
[ 6062.626784][   T10]      inet6_addr_add+0x12f/0xa40
[ 6062.626784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.626784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.626784][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.626784][   T10]      netlink_unicast+0x449/0x710
[ 6062.626784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.626784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.626784][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.626784][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.626784][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.626784][   T10] 
[ 6062.628716][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.628716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6062.628716][   T10]      ipv6_find_idev+0x102/0x170
[ 6062.628716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6062.628716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.628716][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.628716][   T10]      netlink_unicast+0x449/0x710
[ 6062.628716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.628716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.628716][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.628716][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.628716][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.628716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.628716][   T10] 
[ 6062.630290][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6062.630290][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6062.630290][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6062.630290][   T10]      ipv6_find_idev+0x102/0x170
[ 6062.630290][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6062.630290][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.630290][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.630290][   T10]      netlink_unicast+0x449/0x710
[ 6062.630290][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.630290][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.630290][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.630290][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.630290][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.630290][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.630290][   T10] 
[ 6062.632015][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6062.632262][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.632262][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6062.632262][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6062.632262][   T10]      fib6_nh_init+0xa22/0x1580
[ 6062.632262][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.632262][   T10]      ip6_route_add+0x1c/0x140
[ 6062.632262][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6062.632262][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.632262][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.632262][   T10]      netlink_unicast+0x449/0x710
[ 6062.632262][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.632262][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.632262][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.632262][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.632262][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.632262][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.632262][   T10] 
[ 6062.634136][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.634136][   T10]      dst_init+0x84/0x4a0
[ 6062.634136][   T10]      dst_alloc+0x97/0x150
[ 6062.634136][   T10]      ip6_dst_alloc+0x23/0x90
[ 6062.634136][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6062.634136][   T10]      ip6_pol_route+0x56f/0x840
[ 6062.634136][   T10]      fib6_rule_lookup+0x456/0x630
[ 6062.634136][   T10]      ip6_route_input+0x59c/0xa50
[ 6062.634136][   T10]      ipv6_rcv+0x397/0x810
[ 6062.634136][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6062.634136][   T10]      process_backlog+0x101/0x620
[ 6062.634136][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6062.634136][   T10]      net_rx_action+0x495/0xbe0
[ 6062.634136][   T10]      __do_softirq+0x1b5/0x7f6
[ 6062.634136][   T10] 
[ 6062.635727][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.635727][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.635727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.635727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.635727][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6062.635727][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6062.635727][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6062.635727][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6062.635727][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6062.635727][   T10]      addrconf_dad_begin+0x310/0x670
[ 6062.635727][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6062.635727][   T10]      process_one_work+0x84d/0x18a0
[ 6062.635727][   T10]      worker_thread+0x587/0xd30
[ 6062.635727][   T10]      kthread+0x28a/0x350
[ 6062.635727][   T10]      ret_from_fork+0x31/0x70
[ 6062.635727][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6062.635727][   T10] 
[ 6062.637649][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.637649][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.637649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.637649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.637649][   T10]      ip6_route_add+0x1c/0x140
[ 6062.637649][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6062.637649][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6062.637649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.637649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.637649][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.637649][   T10]      netlink_unicast+0x449/0x710
[ 6062.637649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.637649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.637649][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.637649][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.637649][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.637649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.637649][   T10] 
[ 6062.639670][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.639670][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.639670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.639670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.639670][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6062.639670][   T10]      ipv6_add_addr+0x411/0x2000
[ 6062.639670][   T10]      inet6_addr_add+0x30e/0xa40
[ 6062.639670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.639670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.639670][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.639670][   T10]      netlink_unicast+0x449/0x710
[ 6062.639670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.639670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.639670][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.639670][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.639670][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.639670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.639670][   T10] 
[ 6062.641657][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.641657][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.641657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.641657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.641657][   T10]      ip6_route_add+0x1c/0x140
[ 6062.641657][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6062.641657][   T10]      addrconf_add_dev+0xe2/0x170
[ 6062.641657][   T10]      inet6_addr_add+0x12f/0xa40
[ 6062.641657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.641657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.641657][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.641657][   T10]      netlink_unicast+0x449/0x710
[ 6062.641657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.641657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.641657][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.641657][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.641657][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.641657][   T10] 
[ 6062.643694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.643694][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6062.643694][   T10]      ipv6_find_idev+0x102/0x170
[ 6062.643694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6062.643694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.643694][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.643694][   T10]      netlink_unicast+0x449/0x710
[ 6062.643694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.643694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.643694][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.643694][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.643694][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.643694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.643694][   T10] 
[ 6062.645394][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6062.645394][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6062.645394][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6062.645394][   T10]      ipv6_find_idev+0x102/0x170
[ 6062.645394][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6062.645394][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.645394][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.645394][   T10]      netlink_unicast+0x449/0x710
[ 6062.645394][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.645394][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.645394][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.645394][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.645394][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.645394][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.645394][   T10] 
[ 6062.647321][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6062.647619][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6062.647619][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.647619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.647619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.647619][   T10]      ip6_route_add+0x1c/0x140
[ 6062.647619][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6062.647619][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6062.647619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.647619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.647619][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.647619][   T10]      netlink_unicast+0x449/0x710
[ 6062.647619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.647619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.647619][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.647619][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.647619][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.647619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.647619][   T10] 
[ 6062.649802][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6062.649802][   T10]      netdev_get_by_index+0x5e/0x80
[ 6062.649802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6062.649802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6062.649802][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6062.649802][   T10]      ipv6_add_addr+0x411/0x2000
[ 6062.649802][   T10]      inet6_addr_add+0x30e/0xa40
[ 6062.649802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6062.649802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.649802][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.649802][   T10]      netlink_unicast+0x449/0x710
[ 6062.649802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.649802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.649802][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.649802][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.649802][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.649802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.649802][   T10] 
[ 6062.651966][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6062.651966][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6062.651966][   T10]      ipv6_find_idev+0x102/0x170
[ 6062.651966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6062.651966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.651966][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.651966][   T10]      netlink_unicast+0x449/0x710
[ 6062.651966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.651966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.651966][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.651966][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.651966][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.651966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.651966][   T10] 
[ 6062.653705][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6062.653705][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6062.653705][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6062.653705][   T10]      ipv6_find_idev+0x102/0x170
[ 6062.653705][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6062.653705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6062.653705][   T10]      netlink_rcv_skb+0x130/0x360
[ 6062.653705][   T10]      netlink_unicast+0x449/0x710
[ 6062.653705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6062.653705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6062.653705][   T10]      ___sys_sendmsg+0xee/0x170
[ 6062.653705][   T10]      __sys_sendmsg+0xcd/0x170
[ 6062.653705][   T10]      do_syscall_64+0xc6/0x1e0
[ 6062.653705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6062.653705][   T10] 
[ 6072.896723][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6072.897180][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.897180][   T10]      dst_init+0x84/0x4a0
[ 6072.897180][   T10]      dst_alloc+0x97/0x150
[ 6072.897180][   T10]      ip6_dst_alloc+0x23/0x90
[ 6072.897180][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6072.897180][   T10]      ip6_pol_route+0x56f/0x840
[ 6072.897180][   T10]      fib6_rule_lookup+0x456/0x630
[ 6072.897180][   T10]      ip6_route_input+0x59c/0xa50
[ 6072.897180][   T10]      ipv6_rcv+0x397/0x810
[ 6072.897180][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6072.897180][   T10]      process_backlog+0x101/0x620
[ 6072.897180][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6072.897180][   T10]      net_rx_action+0x495/0xbe0
[ 6072.897180][   T10]      __do_softirq+0x1b5/0x7f6
[ 6072.897180][   T10] 
[ 6072.898991][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.898991][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6072.898991][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6072.898991][   T10]      fib6_nh_init+0xa22/0x1580
[ 6072.898991][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.898991][   T10]      ip6_route_add+0x1c/0x140
[ 6072.898991][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6072.898991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.898991][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.898991][   T10]      netlink_unicast+0x449/0x710
[ 6072.898991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.898991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.898991][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.898991][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.898991][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.898991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.898991][   T10] 
[ 6072.900892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.900892][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.900892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.900892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.900892][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6072.900892][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6072.900892][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6072.900892][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6072.900892][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6072.900892][   T10]      addrconf_dad_begin+0x310/0x670
[ 6072.900892][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6072.900892][   T10]      process_one_work+0x84d/0x18a0
[ 6072.900892][   T10]      worker_thread+0x587/0xd30
[ 6072.900892][   T10]      kthread+0x28a/0x350
[ 6072.900892][   T10]      ret_from_fork+0x31/0x70
[ 6072.900892][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6072.900892][   T10] 
[ 6072.902808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.902808][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.902808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.902808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.902808][   T10]      ip6_route_add+0x1c/0x140
[ 6072.902808][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6072.902808][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6072.902808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.902808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.902808][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.902808][   T10]      netlink_unicast+0x449/0x710
[ 6072.902808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.902808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.902808][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.902808][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.902808][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.902808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.902808][   T10] 
[ 6072.904821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.904821][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.904821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.904821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.904821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6072.904821][   T10]      ipv6_add_addr+0x411/0x2000
[ 6072.904821][   T10]      inet6_addr_add+0x30e/0xa40
[ 6072.904821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.904821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.904821][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.904821][   T10]      netlink_unicast+0x449/0x710
[ 6072.904821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.904821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.904821][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.904821][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.904821][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.904821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.904821][   T10] 
[ 6072.906821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.906821][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.906821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.906821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.906821][   T10]      ip6_route_add+0x1c/0x140
[ 6072.906821][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6072.906821][   T10]      addrconf_add_dev+0xe2/0x170
[ 6072.906821][   T10]      inet6_addr_add+0x12f/0xa40
[ 6072.906821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.906821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.906821][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.906821][   T10]      netlink_unicast+0x449/0x710
[ 6072.906821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.906821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.906821][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.906821][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.906821][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.906821][   T10] 
[ 6072.908826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.908826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6072.908826][   T10]      ipv6_find_idev+0x102/0x170
[ 6072.908826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6072.908826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.908826][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.908826][   T10]      netlink_unicast+0x449/0x710
[ 6072.908826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.908826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.908826][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.908826][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.908826][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.908826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.908826][   T10] 
[ 6072.910371][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6072.910371][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6072.910371][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6072.910371][   T10]      ipv6_find_idev+0x102/0x170
[ 6072.910371][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6072.910371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.910371][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.910371][   T10]      netlink_unicast+0x449/0x710
[ 6072.910371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.910371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.910371][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.910371][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.910371][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.910371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.910371][   T10] 
[ 6072.912060][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6072.912304][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.912304][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6072.912304][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6072.912304][   T10]      fib6_nh_init+0xa22/0x1580
[ 6072.912304][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.912304][   T10]      ip6_route_add+0x1c/0x140
[ 6072.912304][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6072.912304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.912304][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.912304][   T10]      netlink_unicast+0x449/0x710
[ 6072.912304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.912304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.912304][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.912304][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.912304][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.912304][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.912304][   T10] 
[ 6072.914184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.914184][   T10]      dst_init+0x84/0x4a0
[ 6072.914184][   T10]      dst_alloc+0x97/0x150
[ 6072.914184][   T10]      ip6_dst_alloc+0x23/0x90
[ 6072.914184][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6072.914184][   T10]      ip6_pol_route+0x56f/0x840
[ 6072.914184][   T10]      fib6_rule_lookup+0x456/0x630
[ 6072.914184][   T10]      ip6_route_input+0x59c/0xa50
[ 6072.914184][   T10]      ipv6_rcv+0x397/0x810
[ 6072.914184][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6072.914184][   T10]      process_backlog+0x101/0x620
[ 6072.914184][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6072.914184][   T10]      net_rx_action+0x495/0xbe0
[ 6072.914184][   T10]      __do_softirq+0x1b5/0x7f6
[ 6072.914184][   T10] 
[ 6072.915816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.915816][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.915816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.915816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.915816][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6072.915816][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6072.915816][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6072.915816][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6072.915816][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6072.915816][   T10]      addrconf_dad_begin+0x310/0x670
[ 6072.915816][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6072.915816][   T10]      process_one_work+0x84d/0x18a0
[ 6072.915816][   T10]      worker_thread+0x587/0xd30
[ 6072.915816][   T10]      kthread+0x28a/0x350
[ 6072.915816][   T10]      ret_from_fork+0x31/0x70
[ 6072.915816][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6072.915816][   T10] 
[ 6072.917723][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.917723][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.917723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.917723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.917723][   T10]      ip6_route_add+0x1c/0x140
[ 6072.917723][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6072.917723][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6072.917723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.917723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.917723][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.917723][   T10]      netlink_unicast+0x449/0x710
[ 6072.917723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.917723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.917723][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.917723][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.917723][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.917723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.917723][   T10] 
[ 6072.919736][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.919736][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.919736][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.919736][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.919736][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6072.919736][   T10]      ipv6_add_addr+0x411/0x2000
[ 6072.919736][   T10]      inet6_addr_add+0x30e/0xa40
[ 6072.919736][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.919736][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.919736][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.919736][   T10]      netlink_unicast+0x449/0x710
[ 6072.919736][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.919736][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.919736][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.919736][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.919736][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.919736][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.919736][   T10] 
[ 6072.921734][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.921734][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.921734][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.921734][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.921734][   T10]      ip6_route_add+0x1c/0x140
[ 6072.921734][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6072.921734][   T10]      addrconf_add_dev+0xe2/0x170
[ 6072.921734][   T10]      inet6_addr_add+0x12f/0xa40
[ 6072.921734][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.921734][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.921734][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.921734][   T10]      netlink_unicast+0x449/0x710
[ 6072.921734][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.921734][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.921734][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.921734][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.921734][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.921734][   T10] 
[ 6072.923827][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.923827][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6072.923827][   T10]      ipv6_find_idev+0x102/0x170
[ 6072.923827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6072.923827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.923827][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.923827][   T10]      netlink_unicast+0x449/0x710
[ 6072.923827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.923827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.923827][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.923827][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.923827][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.923827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.923827][   T10] 
[ 6072.925609][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6072.925609][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6072.925609][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6072.925609][   T10]      ipv6_find_idev+0x102/0x170
[ 6072.925609][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6072.925609][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.925609][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.925609][   T10]      netlink_unicast+0x449/0x710
[ 6072.925609][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.925609][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.925609][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.925609][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.925609][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.925609][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.925609][   T10] 
[ 6072.927484][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6072.927803][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6072.927803][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.927803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.927803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.927803][   T10]      ip6_route_add+0x1c/0x140
[ 6072.927803][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6072.927803][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6072.927803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.927803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.927803][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.927803][   T10]      netlink_unicast+0x449/0x710
[ 6072.927803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.927803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.927803][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.927803][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.927803][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.927803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.927803][   T10] 
[ 6072.929982][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6072.929982][   T10]      netdev_get_by_index+0x5e/0x80
[ 6072.929982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6072.929982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6072.929982][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6072.929982][   T10]      ipv6_add_addr+0x411/0x2000
[ 6072.929982][   T10]      inet6_addr_add+0x30e/0xa40
[ 6072.929982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6072.929982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.929982][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.929982][   T10]      netlink_unicast+0x449/0x710
[ 6072.929982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.929982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.929982][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.929982][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.929982][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.929982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.929982][   T10] 
[ 6072.932149][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6072.932149][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6072.932149][   T10]      ipv6_find_idev+0x102/0x170
[ 6072.932149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6072.932149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.932149][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.932149][   T10]      netlink_unicast+0x449/0x710
[ 6072.932149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.932149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.932149][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.932149][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.932149][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.932149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.932149][   T10] 
[ 6072.933867][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6072.933867][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6072.933867][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6072.933867][   T10]      ipv6_find_idev+0x102/0x170
[ 6072.933867][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6072.933867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6072.933867][   T10]      netlink_rcv_skb+0x130/0x360
[ 6072.933867][   T10]      netlink_unicast+0x449/0x710
[ 6072.933867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6072.933867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6072.933867][   T10]      ___sys_sendmsg+0xee/0x170
[ 6072.933867][   T10]      __sys_sendmsg+0xcd/0x170
[ 6072.933867][   T10]      do_syscall_64+0xc6/0x1e0
[ 6072.933867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6072.933867][   T10] 
[ 6082.944778][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6082.945502][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.945502][   T10]      dst_init+0x84/0x4a0
[ 6082.945502][   T10]      dst_alloc+0x97/0x150
[ 6082.945502][   T10]      ip6_dst_alloc+0x23/0x90
[ 6082.945502][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6082.945502][   T10]      ip6_pol_route+0x56f/0x840
[ 6082.945502][   T10]      fib6_rule_lookup+0x456/0x630
[ 6082.945502][   T10]      ip6_route_input+0x59c/0xa50
[ 6082.945502][   T10]      ipv6_rcv+0x397/0x810
[ 6082.945502][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6082.945502][   T10]      process_backlog+0x101/0x620
[ 6082.945502][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6082.945502][   T10]      net_rx_action+0x495/0xbe0
[ 6082.945502][   T10]      __do_softirq+0x1b5/0x7f6
[ 6082.945502][   T10] 
[ 6082.947176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.947176][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6082.947176][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6082.947176][   T10]      fib6_nh_init+0xa22/0x1580
[ 6082.947176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.947176][   T10]      ip6_route_add+0x1c/0x140
[ 6082.947176][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6082.947176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.947176][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.947176][   T10]      netlink_unicast+0x449/0x710
[ 6082.947176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.947176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.947176][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.947176][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.947176][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.947176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.947176][   T10] 
[ 6082.949078][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.949078][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.949078][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.949078][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.949078][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6082.949078][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6082.949078][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6082.949078][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6082.949078][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6082.949078][   T10]      addrconf_dad_begin+0x310/0x670
[ 6082.949078][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6082.949078][   T10]      process_one_work+0x84d/0x18a0
[ 6082.949078][   T10]      worker_thread+0x587/0xd30
[ 6082.949078][   T10]      kthread+0x28a/0x350
[ 6082.949078][   T10]      ret_from_fork+0x31/0x70
[ 6082.949078][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6082.949078][   T10] 
[ 6082.950984][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.950984][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.950984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.950984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.950984][   T10]      ip6_route_add+0x1c/0x140
[ 6082.950984][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6082.950984][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6082.950984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.950984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.950984][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.950984][   T10]      netlink_unicast+0x449/0x710
[ 6082.950984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.950984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.950984][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.950984][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.950984][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.950984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.950984][   T10] 
[ 6082.952974][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.952974][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.952974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.952974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.952974][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6082.952974][   T10]      ipv6_add_addr+0x411/0x2000
[ 6082.952974][   T10]      inet6_addr_add+0x30e/0xa40
[ 6082.952974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.952974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.952974][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.952974][   T10]      netlink_unicast+0x449/0x710
[ 6082.952974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.952974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.952974][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.952974][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.952974][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.952974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.952974][   T10] 
[ 6082.954989][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.954989][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.954989][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.954989][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.954989][   T10]      ip6_route_add+0x1c/0x140
[ 6082.954989][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6082.954989][   T10]      addrconf_add_dev+0xe2/0x170
[ 6082.954989][   T10]      inet6_addr_add+0x12f/0xa40
[ 6082.954989][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.954989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.954989][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.954989][   T10]      netlink_unicast+0x449/0x710
[ 6082.954989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.954989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.954989][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.954989][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.954989][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.954989][   T10] 
[ 6082.956951][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.956951][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6082.956951][   T10]      ipv6_find_idev+0x102/0x170
[ 6082.956951][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6082.956951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.956951][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.956951][   T10]      netlink_unicast+0x449/0x710
[ 6082.956951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.956951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.956951][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.956951][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.956951][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.956951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.956951][   T10] 
[ 6082.958501][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6082.958501][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6082.958501][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6082.958501][   T10]      ipv6_find_idev+0x102/0x170
[ 6082.958501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6082.958501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.958501][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.958501][   T10]      netlink_unicast+0x449/0x710
[ 6082.958501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.958501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.958501][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.958501][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.958501][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.958501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.958501][   T10] 
[ 6082.960195][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6082.960440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.960440][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6082.960440][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6082.960440][   T10]      fib6_nh_init+0xa22/0x1580
[ 6082.960440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.960440][   T10]      ip6_route_add+0x1c/0x140
[ 6082.960440][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6082.960440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.960440][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.960440][   T10]      netlink_unicast+0x449/0x710
[ 6082.960440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.960440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.960440][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.960440][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.960440][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.960440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.960440][   T10] 
[ 6082.962323][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.962323][   T10]      dst_init+0x84/0x4a0
[ 6082.962323][   T10]      dst_alloc+0x97/0x150
[ 6082.962323][   T10]      ip6_dst_alloc+0x23/0x90
[ 6082.962323][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6082.962323][   T10]      ip6_pol_route+0x56f/0x840
[ 6082.962323][   T10]      fib6_rule_lookup+0x456/0x630
[ 6082.962323][   T10]      ip6_route_input+0x59c/0xa50
[ 6082.962323][   T10]      ipv6_rcv+0x397/0x810
[ 6082.962323][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6082.962323][   T10]      process_backlog+0x101/0x620
[ 6082.962323][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6082.962323][   T10]      net_rx_action+0x495/0xbe0
[ 6082.962323][   T10]      __do_softirq+0x1b5/0x7f6
[ 6082.962323][   T10] 
[ 6082.963976][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.963976][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.963976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.963976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.963976][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6082.963976][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6082.963976][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6082.963976][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6082.963976][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6082.963976][   T10]      addrconf_dad_begin+0x310/0x670
[ 6082.963976][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6082.963976][   T10]      process_one_work+0x84d/0x18a0
[ 6082.963976][   T10]      worker_thread+0x587/0xd30
[ 6082.963976][   T10]      kthread+0x28a/0x350
[ 6082.963976][   T10]      ret_from_fork+0x31/0x70
[ 6082.963976][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6082.963976][   T10] 
[ 6082.965881][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.965881][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.965881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.965881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.965881][   T10]      ip6_route_add+0x1c/0x140
[ 6082.965881][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6082.965881][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6082.965881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.965881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.965881][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.965881][   T10]      netlink_unicast+0x449/0x710
[ 6082.965881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.965881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.965881][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.965881][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.965881][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.965881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.965881][   T10] 
[ 6082.967886][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.967886][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.967886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.967886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.967886][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6082.967886][   T10]      ipv6_add_addr+0x411/0x2000
[ 6082.967886][   T10]      inet6_addr_add+0x30e/0xa40
[ 6082.967886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.967886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.967886][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.967886][   T10]      netlink_unicast+0x449/0x710
[ 6082.967886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.967886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.967886][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.967886][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.967886][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.967886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.967886][   T10] 
[ 6082.969891][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.969891][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.969891][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.969891][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.969891][   T10]      ip6_route_add+0x1c/0x140
[ 6082.969891][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6082.969891][   T10]      addrconf_add_dev+0xe2/0x170
[ 6082.969891][   T10]      inet6_addr_add+0x12f/0xa40
[ 6082.969891][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.969891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.969891][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.969891][   T10]      netlink_unicast+0x449/0x710
[ 6082.969891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.969891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.969891][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.969891][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.969891][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.969891][   T10] 
[ 6082.971919][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.971919][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6082.971919][   T10]      ipv6_find_idev+0x102/0x170
[ 6082.971919][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6082.971919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.971919][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.971919][   T10]      netlink_unicast+0x449/0x710
[ 6082.971919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.971919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.971919][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.971919][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.971919][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.971919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.971919][   T10] 
[ 6082.973589][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6082.973589][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6082.973589][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6082.973589][   T10]      ipv6_find_idev+0x102/0x170
[ 6082.973589][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6082.973589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.973589][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.973589][   T10]      netlink_unicast+0x449/0x710
[ 6082.973589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.973589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.973589][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.973589][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.973589][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.973589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.973589][   T10] 
[ 6082.975402][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6082.975653][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6082.975653][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.975653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.975653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.975653][   T10]      ip6_route_add+0x1c/0x140
[ 6082.975653][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6082.975653][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6082.975653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.975653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.975653][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.975653][   T10]      netlink_unicast+0x449/0x710
[ 6082.975653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.975653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.975653][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.975653][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.975653][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.975653][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.975653][   T10] 
[ 6082.977789][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6082.977789][   T10]      netdev_get_by_index+0x5e/0x80
[ 6082.977789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6082.977789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6082.977789][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6082.977789][   T10]      ipv6_add_addr+0x411/0x2000
[ 6082.977789][   T10]      inet6_addr_add+0x30e/0xa40
[ 6082.977789][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6082.977789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.977789][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.977789][   T10]      netlink_unicast+0x449/0x710
[ 6082.977789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.977789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.977789][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.977789][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.977789][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.977789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.977789][   T10] 
[ 6082.979918][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6082.979918][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6082.979918][   T10]      ipv6_find_idev+0x102/0x170
[ 6082.979918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6082.979918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.979918][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.979918][   T10]      netlink_unicast+0x449/0x710
[ 6082.979918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.979918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.979918][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.979918][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.979918][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.979918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.979918][   T10] 
[ 6082.981515][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6082.981515][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6082.981515][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6082.981515][   T10]      ipv6_find_idev+0x102/0x170
[ 6082.981515][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6082.981515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6082.981515][   T10]      netlink_rcv_skb+0x130/0x360
[ 6082.981515][   T10]      netlink_unicast+0x449/0x710
[ 6082.981515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6082.981515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6082.981515][   T10]      ___sys_sendmsg+0xee/0x170
[ 6082.981515][   T10]      __sys_sendmsg+0xcd/0x170
[ 6082.981515][   T10]      do_syscall_64+0xc6/0x1e0
[ 6082.981515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6082.981515][   T10] 
[ 6093.224706][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6093.225161][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.225161][   T10]      dst_init+0x84/0x4a0
[ 6093.225161][   T10]      dst_alloc+0x97/0x150
[ 6093.225161][   T10]      ip6_dst_alloc+0x23/0x90
[ 6093.225161][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6093.225161][   T10]      ip6_pol_route+0x56f/0x840
[ 6093.225161][   T10]      fib6_rule_lookup+0x456/0x630
[ 6093.225161][   T10]      ip6_route_input+0x59c/0xa50
[ 6093.225161][   T10]      ipv6_rcv+0x397/0x810
[ 6093.225161][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6093.225161][   T10]      process_backlog+0x101/0x620
[ 6093.225161][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6093.225161][   T10]      net_rx_action+0x495/0xbe0
[ 6093.225161][   T10]      __do_softirq+0x1b5/0x7f6
[ 6093.225161][   T10] 
[ 6093.226841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.226841][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6093.226841][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6093.226841][   T10]      fib6_nh_init+0xa22/0x1580
[ 6093.226841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.226841][   T10]      ip6_route_add+0x1c/0x140
[ 6093.226841][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6093.226841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.226841][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.226841][   T10]      netlink_unicast+0x449/0x710
[ 6093.226841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.226841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.226841][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.226841][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.226841][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.226841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.226841][   T10] 
[ 6093.228750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.228750][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.228750][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.228750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.228750][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6093.228750][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6093.228750][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6093.228750][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6093.228750][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6093.228750][   T10]      addrconf_dad_begin+0x310/0x670
[ 6093.228750][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6093.228750][   T10]      process_one_work+0x84d/0x18a0
[ 6093.228750][   T10]      worker_thread+0x587/0xd30
[ 6093.228750][   T10]      kthread+0x28a/0x350
[ 6093.228750][   T10]      ret_from_fork+0x31/0x70
[ 6093.228750][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6093.228750][   T10] 
[ 6093.230661][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.230661][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.230661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.230661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.230661][   T10]      ip6_route_add+0x1c/0x140
[ 6093.230661][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6093.230661][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6093.230661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.230661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.230661][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.230661][   T10]      netlink_unicast+0x449/0x710
[ 6093.230661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.230661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.230661][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.230661][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.230661][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.230661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.230661][   T10] 
[ 6093.232670][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.232670][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.232670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.232670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.232670][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6093.232670][   T10]      ipv6_add_addr+0x411/0x2000
[ 6093.232670][   T10]      inet6_addr_add+0x30e/0xa40
[ 6093.232670][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.232670][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.232670][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.232670][   T10]      netlink_unicast+0x449/0x710
[ 6093.232670][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.232670][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.232670][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.232670][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.232670][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.232670][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.232670][   T10] 
[ 6093.234675][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.234675][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.234675][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.234675][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.234675][   T10]      ip6_route_add+0x1c/0x140
[ 6093.234675][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6093.234675][   T10]      addrconf_add_dev+0xe2/0x170
[ 6093.234675][   T10]      inet6_addr_add+0x12f/0xa40
[ 6093.234675][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.234675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.234675][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.234675][   T10]      netlink_unicast+0x449/0x710
[ 6093.234675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.234675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.234675][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.234675][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.234675][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.234675][   T10] 
[ 6093.236645][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.236645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6093.236645][   T10]      ipv6_find_idev+0x102/0x170
[ 6093.236645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6093.236645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.236645][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.236645][   T10]      netlink_unicast+0x449/0x710
[ 6093.236645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.236645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.236645][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.236645][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.236645][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.236645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.236645][   T10] 
[ 6093.238205][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6093.238205][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6093.238205][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6093.238205][   T10]      ipv6_find_idev+0x102/0x170
[ 6093.238205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6093.238205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.238205][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.238205][   T10]      netlink_unicast+0x449/0x710
[ 6093.238205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.238205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.238205][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.238205][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.238205][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.238205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.238205][   T10] 
[ 6093.239897][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6093.240138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.240138][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6093.240138][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6093.240138][   T10]      fib6_nh_init+0xa22/0x1580
[ 6093.240138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.240138][   T10]      ip6_route_add+0x1c/0x140
[ 6093.240138][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6093.240138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.240138][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.240138][   T10]      netlink_unicast+0x449/0x710
[ 6093.240138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.240138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.240138][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.240138][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.240138][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.240138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.240138][   T10] 
[ 6093.242015][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.242015][   T10]      dst_init+0x84/0x4a0
[ 6093.242015][   T10]      dst_alloc+0x97/0x150
[ 6093.242015][   T10]      ip6_dst_alloc+0x23/0x90
[ 6093.242015][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6093.242015][   T10]      ip6_pol_route+0x56f/0x840
[ 6093.242015][   T10]      fib6_rule_lookup+0x456/0x630
[ 6093.242015][   T10]      ip6_route_input+0x59c/0xa50
[ 6093.242015][   T10]      ipv6_rcv+0x397/0x810
[ 6093.242015][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6093.242015][   T10]      process_backlog+0x101/0x620
[ 6093.242015][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6093.242015][   T10]      net_rx_action+0x495/0xbe0
[ 6093.242015][   T10]      __do_softirq+0x1b5/0x7f6
[ 6093.242015][   T10] 
[ 6093.243641][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.243641][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.243641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.243641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.243641][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6093.243641][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6093.243641][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6093.243641][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6093.243641][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6093.243641][   T10]      addrconf_dad_begin+0x310/0x670
[ 6093.243641][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6093.243641][   T10]      process_one_work+0x84d/0x18a0
[ 6093.243641][   T10]      worker_thread+0x587/0xd30
[ 6093.243641][   T10]      kthread+0x28a/0x350
[ 6093.243641][   T10]      ret_from_fork+0x31/0x70
[ 6093.243641][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6093.243641][   T10] 
[ 6093.245586][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.245586][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.245586][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.245586][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.245586][   T10]      ip6_route_add+0x1c/0x140
[ 6093.245586][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6093.245586][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6093.245586][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.245586][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.245586][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.245586][   T10]      netlink_unicast+0x449/0x710
[ 6093.245586][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.245586][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.245586][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.245586][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.245586][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.245586][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.245586][   T10] 
[ 6093.247583][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.247583][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.247583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.247583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.247583][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6093.247583][   T10]      ipv6_add_addr+0x411/0x2000
[ 6093.247583][   T10]      inet6_addr_add+0x30e/0xa40
[ 6093.247583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.247583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.247583][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.247583][   T10]      netlink_unicast+0x449/0x710
[ 6093.247583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.247583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.247583][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.247583][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.247583][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.247583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.247583][   T10] 
[ 6093.249585][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.249585][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.249585][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.249585][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.249585][   T10]      ip6_route_add+0x1c/0x140
[ 6093.249585][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6093.249585][   T10]      addrconf_add_dev+0xe2/0x170
[ 6093.249585][   T10]      inet6_addr_add+0x12f/0xa40
[ 6093.249585][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.249585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.249585][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.249585][   T10]      netlink_unicast+0x449/0x710
[ 6093.249585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.249585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.249585][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.249585][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.249585][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.249585][   T10] 
[ 6093.251666][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.251666][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6093.251666][   T10]      ipv6_find_idev+0x102/0x170
[ 6093.251666][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6093.251666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.251666][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.251666][   T10]      netlink_unicast+0x449/0x710
[ 6093.251666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.251666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.251666][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.251666][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.251666][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.251666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.251666][   T10] 
[ 6093.253452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6093.253452][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6093.253452][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6093.253452][   T10]      ipv6_find_idev+0x102/0x170
[ 6093.253452][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6093.253452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.253452][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.253452][   T10]      netlink_unicast+0x449/0x710
[ 6093.253452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.253452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.253452][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.253452][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.253452][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.253452][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.253452][   T10] 
[ 6093.255316][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6093.255624][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6093.255624][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.255624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.255624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.255624][   T10]      ip6_route_add+0x1c/0x140
[ 6093.255624][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6093.255624][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6093.255624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.255624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.255624][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.255624][   T10]      netlink_unicast+0x449/0x710
[ 6093.255624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.255624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.255624][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.255624][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.255624][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.255624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.255624][   T10] 
[ 6093.257800][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6093.257800][   T10]      netdev_get_by_index+0x5e/0x80
[ 6093.257800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6093.257800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6093.257800][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6093.257800][   T10]      ipv6_add_addr+0x411/0x2000
[ 6093.257800][   T10]      inet6_addr_add+0x30e/0xa40
[ 6093.257800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6093.257800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.257800][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.257800][   T10]      netlink_unicast+0x449/0x710
[ 6093.257800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.257800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.257800][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.257800][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.257800][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.257800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.257800][   T10] 
[ 6093.259979][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6093.259979][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6093.259979][   T10]      ipv6_find_idev+0x102/0x170
[ 6093.259979][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6093.259979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.259979][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.259979][   T10]      netlink_unicast+0x449/0x710
[ 6093.259979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.259979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.259979][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.259979][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.259979][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.259979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.259979][   T10] 
[ 6093.261699][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6093.261699][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6093.261699][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6093.261699][   T10]      ipv6_find_idev+0x102/0x170
[ 6093.261699][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6093.261699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6093.261699][   T10]      netlink_rcv_skb+0x130/0x360
[ 6093.261699][   T10]      netlink_unicast+0x449/0x710
[ 6093.261699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6093.261699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6093.261699][   T10]      ___sys_sendmsg+0xee/0x170
[ 6093.261699][   T10]      __sys_sendmsg+0xcd/0x170
[ 6093.261699][   T10]      do_syscall_64+0xc6/0x1e0
[ 6093.261699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6093.261699][   T10] 
[ 6103.504723][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6103.505201][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.505201][   T10]      dst_init+0x84/0x4a0
[ 6103.505201][   T10]      dst_alloc+0x97/0x150
[ 6103.505201][   T10]      ip6_dst_alloc+0x23/0x90
[ 6103.505201][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6103.505201][   T10]      ip6_pol_route+0x56f/0x840
[ 6103.505201][   T10]      fib6_rule_lookup+0x456/0x630
[ 6103.505201][   T10]      ip6_route_input+0x59c/0xa50
[ 6103.505201][   T10]      ipv6_rcv+0x397/0x810
[ 6103.505201][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6103.505201][   T10]      process_backlog+0x101/0x620
[ 6103.505201][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6103.505201][   T10]      net_rx_action+0x495/0xbe0
[ 6103.505201][   T10]      __do_softirq+0x1b5/0x7f6
[ 6103.505201][   T10] 
[ 6103.506870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.506870][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6103.506870][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6103.506870][   T10]      fib6_nh_init+0xa22/0x1580
[ 6103.506870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.506870][   T10]      ip6_route_add+0x1c/0x140
[ 6103.506870][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6103.506870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.506870][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.506870][   T10]      netlink_unicast+0x449/0x710
[ 6103.506870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.506870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.506870][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.506870][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.506870][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.506870][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.506870][   T10] 
[ 6103.509324][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.509324][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.509324][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.509324][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.509324][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6103.509324][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6103.509324][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6103.509324][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6103.509324][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6103.509324][   T10]      addrconf_dad_begin+0x310/0x670
[ 6103.509324][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6103.509324][   T10]      process_one_work+0x84d/0x18a0
[ 6103.509324][   T10]      worker_thread+0x587/0xd30
[ 6103.509324][   T10]      kthread+0x28a/0x350
[ 6103.509324][   T10]      ret_from_fork+0x31/0x70
[ 6103.509324][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6103.509324][   T10] 
[ 6103.511235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.511235][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.511235][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.511235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.511235][   T10]      ip6_route_add+0x1c/0x140
[ 6103.511235][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6103.511235][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6103.511235][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.511235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.511235][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.511235][   T10]      netlink_unicast+0x449/0x710
[ 6103.511235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.511235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.511235][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.511235][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.511235][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.511235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.511235][   T10] 
[ 6103.513244][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.513244][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.513244][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.513244][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.513244][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6103.513244][   T10]      ipv6_add_addr+0x411/0x2000
[ 6103.513244][   T10]      inet6_addr_add+0x30e/0xa40
[ 6103.513244][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.513244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.513244][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.513244][   T10]      netlink_unicast+0x449/0x710
[ 6103.513244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.513244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.513244][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.513244][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.513244][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.513244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.513244][   T10] 
[ 6103.515240][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.515240][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.515240][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.515240][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.515240][   T10]      ip6_route_add+0x1c/0x140
[ 6103.515240][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6103.515240][   T10]      addrconf_add_dev+0xe2/0x170
[ 6103.515240][   T10]      inet6_addr_add+0x12f/0xa40
[ 6103.515240][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.515240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.515240][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.515240][   T10]      netlink_unicast+0x449/0x710
[ 6103.515240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.515240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.515240][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.515240][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.515240][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.515240][   T10] 
[ 6103.517203][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.517203][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6103.517203][   T10]      ipv6_find_idev+0x102/0x170
[ 6103.517203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6103.517203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.517203][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.517203][   T10]      netlink_unicast+0x449/0x710
[ 6103.517203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.517203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.517203][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.517203][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.517203][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.517203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.517203][   T10] 
[ 6103.518743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6103.518743][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6103.518743][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6103.518743][   T10]      ipv6_find_idev+0x102/0x170
[ 6103.518743][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6103.518743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.518743][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.518743][   T10]      netlink_unicast+0x449/0x710
[ 6103.518743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.518743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.518743][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.518743][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.518743][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.518743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.518743][   T10] 
[ 6103.520436][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6103.520692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.520692][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6103.520692][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6103.520692][   T10]      fib6_nh_init+0xa22/0x1580
[ 6103.520692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.520692][   T10]      ip6_route_add+0x1c/0x140
[ 6103.520692][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6103.520692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.520692][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.520692][   T10]      netlink_unicast+0x449/0x710
[ 6103.520692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.520692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.520692][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.520692][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.520692][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.520692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.520692][   T10] 
[ 6103.522572][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.522572][   T10]      dst_init+0x84/0x4a0
[ 6103.522572][   T10]      dst_alloc+0x97/0x150
[ 6103.522572][   T10]      ip6_dst_alloc+0x23/0x90
[ 6103.522572][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6103.522572][   T10]      ip6_pol_route+0x56f/0x840
[ 6103.522572][   T10]      fib6_rule_lookup+0x456/0x630
[ 6103.522572][   T10]      ip6_route_input+0x59c/0xa50
[ 6103.522572][   T10]      ipv6_rcv+0x397/0x810
[ 6103.522572][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6103.522572][   T10]      process_backlog+0x101/0x620
[ 6103.522572][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6103.522572][   T10]      net_rx_action+0x495/0xbe0
[ 6103.522572][   T10]      __do_softirq+0x1b5/0x7f6
[ 6103.522572][   T10] 
[ 6103.524210][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.524210][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.524210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.524210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.524210][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6103.524210][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6103.524210][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6103.524210][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6103.524210][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6103.524210][   T10]      addrconf_dad_begin+0x310/0x670
[ 6103.524210][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6103.524210][   T10]      process_one_work+0x84d/0x18a0
[ 6103.524210][   T10]      worker_thread+0x587/0xd30
[ 6103.524210][   T10]      kthread+0x28a/0x350
[ 6103.524210][   T10]      ret_from_fork+0x31/0x70
[ 6103.524210][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6103.524210][   T10] 
[ 6103.526113][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.526113][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.526113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.526113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.526113][   T10]      ip6_route_add+0x1c/0x140
[ 6103.526113][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6103.526113][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6103.526113][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.526113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.526113][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.526113][   T10]      netlink_unicast+0x449/0x710
[ 6103.526113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.526113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.526113][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.526113][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.526113][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.526113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.526113][   T10] 
[ 6103.528108][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.528108][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.528108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.528108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.528108][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6103.528108][   T10]      ipv6_add_addr+0x411/0x2000
[ 6103.528108][   T10]      inet6_addr_add+0x30e/0xa40
[ 6103.528108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.528108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.528108][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.528108][   T10]      netlink_unicast+0x449/0x710
[ 6103.528108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.528108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.528108][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.528108][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.528108][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.528108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.528108][   T10] 
[ 6103.530099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.530099][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.530099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.530099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.530099][   T10]      ip6_route_add+0x1c/0x140
[ 6103.530099][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6103.530099][   T10]      addrconf_add_dev+0xe2/0x170
[ 6103.530099][   T10]      inet6_addr_add+0x12f/0xa40
[ 6103.530099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.530099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.530099][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.530099][   T10]      netlink_unicast+0x449/0x710
[ 6103.530099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.530099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.530099][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.530099][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.530099][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.530099][   T10] 
[ 6103.532184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.532184][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6103.532184][   T10]      ipv6_find_idev+0x102/0x170
[ 6103.532184][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6103.532184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.532184][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.532184][   T10]      netlink_unicast+0x449/0x710
[ 6103.532184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.532184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.532184][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.532184][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.532184][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.532184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.532184][   T10] 
[ 6103.533900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6103.533900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6103.533900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6103.533900][   T10]      ipv6_find_idev+0x102/0x170
[ 6103.533900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6103.533900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.533900][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.533900][   T10]      netlink_unicast+0x449/0x710
[ 6103.533900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.533900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.533900][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.533900][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.533900][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.533900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.533900][   T10] 
[ 6103.535827][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6103.536126][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6103.536126][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.536126][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.536126][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.536126][   T10]      ip6_route_add+0x1c/0x140
[ 6103.536126][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6103.536126][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6103.536126][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.536126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.536126][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.536126][   T10]      netlink_unicast+0x449/0x710
[ 6103.536126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.536126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.536126][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.536126][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.536126][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.536126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.536126][   T10] 
[ 6103.538317][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6103.538317][   T10]      netdev_get_by_index+0x5e/0x80
[ 6103.538317][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6103.538317][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6103.538317][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6103.538317][   T10]      ipv6_add_addr+0x411/0x2000
[ 6103.538317][   T10]      inet6_addr_add+0x30e/0xa40
[ 6103.538317][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6103.538317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.538317][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.538317][   T10]      netlink_unicast+0x449/0x710
[ 6103.538317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.538317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.538317][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.538317][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.538317][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.538317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.538317][   T10] 
[ 6103.540484][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6103.540484][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6103.540484][   T10]      ipv6_find_idev+0x102/0x170
[ 6103.540484][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6103.540484][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.540484][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.540484][   T10]      netlink_unicast+0x449/0x710
[ 6103.540484][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.540484][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.540484][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.540484][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.540484][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.540484][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.540484][   T10] 
[ 6103.542202][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6103.542202][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6103.542202][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6103.542202][   T10]      ipv6_find_idev+0x102/0x170
[ 6103.542202][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6103.542202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6103.542202][   T10]      netlink_rcv_skb+0x130/0x360
[ 6103.542202][   T10]      netlink_unicast+0x449/0x710
[ 6103.542202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6103.542202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6103.542202][   T10]      ___sys_sendmsg+0xee/0x170
[ 6103.542202][   T10]      __sys_sendmsg+0xcd/0x170
[ 6103.542202][   T10]      do_syscall_64+0xc6/0x1e0
[ 6103.542202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6103.542202][   T10] 
[ 6113.784707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6113.785144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.785144][   T10]      dst_init+0x84/0x4a0
[ 6113.785144][   T10]      dst_alloc+0x97/0x150
[ 6113.785144][   T10]      ip6_dst_alloc+0x23/0x90
[ 6113.785144][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6113.785144][   T10]      ip6_pol_route+0x56f/0x840
[ 6113.785144][   T10]      fib6_rule_lookup+0x456/0x630
[ 6113.785144][   T10]      ip6_route_input+0x59c/0xa50
[ 6113.785144][   T10]      ipv6_rcv+0x397/0x810
[ 6113.785144][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6113.785144][   T10]      process_backlog+0x101/0x620
[ 6113.785144][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6113.785144][   T10]      net_rx_action+0x495/0xbe0
[ 6113.785144][   T10]      __do_softirq+0x1b5/0x7f6
[ 6113.785144][   T10] 
[ 6113.786814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.786814][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6113.786814][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6113.786814][   T10]      fib6_nh_init+0xa22/0x1580
[ 6113.786814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.786814][   T10]      ip6_route_add+0x1c/0x140
[ 6113.786814][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6113.786814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.786814][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.786814][   T10]      netlink_unicast+0x449/0x710
[ 6113.786814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.786814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.786814][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.786814][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.786814][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.786814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.786814][   T10] 
[ 6113.788714][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.788714][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.788714][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.788714][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.788714][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6113.788714][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6113.788714][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6113.788714][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6113.788714][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6113.788714][   T10]      addrconf_dad_begin+0x310/0x670
[ 6113.788714][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6113.788714][   T10]      process_one_work+0x84d/0x18a0
[ 6113.788714][   T10]      worker_thread+0x587/0xd30
[ 6113.788714][   T10]      kthread+0x28a/0x350
[ 6113.788714][   T10]      ret_from_fork+0x31/0x70
[ 6113.788714][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6113.788714][   T10] 
[ 6113.790620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.790620][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.790620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.790620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.790620][   T10]      ip6_route_add+0x1c/0x140
[ 6113.790620][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6113.790620][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6113.790620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.790620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.790620][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.790620][   T10]      netlink_unicast+0x449/0x710
[ 6113.790620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.790620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.790620][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.790620][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.790620][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.790620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.790620][   T10] 
[ 6113.792620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.792620][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.792620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.792620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.792620][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6113.792620][   T10]      ipv6_add_addr+0x411/0x2000
[ 6113.792620][   T10]      inet6_addr_add+0x30e/0xa40
[ 6113.792620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.792620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.792620][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.792620][   T10]      netlink_unicast+0x449/0x710
[ 6113.792620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.792620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.792620][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.792620][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.792620][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.792620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.792620][   T10] 
[ 6113.794641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.794641][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.794641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.794641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.794641][   T10]      ip6_route_add+0x1c/0x140
[ 6113.794641][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6113.794641][   T10]      addrconf_add_dev+0xe2/0x170
[ 6113.794641][   T10]      inet6_addr_add+0x12f/0xa40
[ 6113.794641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.794641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.794641][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.794641][   T10]      netlink_unicast+0x449/0x710
[ 6113.794641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.794641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.794641][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.794641][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.794641][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.794641][   T10] 
[ 6113.796599][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.796599][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6113.796599][   T10]      ipv6_find_idev+0x102/0x170
[ 6113.796599][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6113.796599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.796599][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.796599][   T10]      netlink_unicast+0x449/0x710
[ 6113.796599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.796599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.796599][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.796599][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.796599][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.796599][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.796599][   T10] 
[ 6113.798150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6113.798150][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6113.798150][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6113.798150][   T10]      ipv6_find_idev+0x102/0x170
[ 6113.798150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6113.798150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.798150][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.798150][   T10]      netlink_unicast+0x449/0x710
[ 6113.798150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.798150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.798150][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.798150][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.798150][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.798150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.798150][   T10] 
[ 6113.799835][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6113.800081][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.800081][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6113.800081][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6113.800081][   T10]      fib6_nh_init+0xa22/0x1580
[ 6113.800081][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.800081][   T10]      ip6_route_add+0x1c/0x140
[ 6113.800081][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6113.800081][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.800081][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.800081][   T10]      netlink_unicast+0x449/0x710
[ 6113.800081][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.800081][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.800081][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.800081][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.800081][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.800081][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.800081][   T10] 
[ 6113.801977][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.801977][   T10]      dst_init+0x84/0x4a0
[ 6113.801977][   T10]      dst_alloc+0x97/0x150
[ 6113.801977][   T10]      ip6_dst_alloc+0x23/0x90
[ 6113.801977][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6113.801977][   T10]      ip6_pol_route+0x56f/0x840
[ 6113.801977][   T10]      fib6_rule_lookup+0x456/0x630
[ 6113.801977][   T10]      ip6_route_input+0x59c/0xa50
[ 6113.801977][   T10]      ipv6_rcv+0x397/0x810
[ 6113.801977][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6113.801977][   T10]      process_backlog+0x101/0x620
[ 6113.801977][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6113.801977][   T10]      net_rx_action+0x495/0xbe0
[ 6113.801977][   T10]      __do_softirq+0x1b5/0x7f6
[ 6113.801977][   T10] 
[ 6113.803606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.803606][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.803606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.803606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.803606][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6113.803606][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6113.803606][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6113.803606][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6113.803606][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6113.803606][   T10]      addrconf_dad_begin+0x310/0x670
[ 6113.803606][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6113.803606][   T10]      process_one_work+0x84d/0x18a0
[ 6113.803606][   T10]      worker_thread+0x587/0xd30
[ 6113.803606][   T10]      kthread+0x28a/0x350
[ 6113.803606][   T10]      ret_from_fork+0x31/0x70
[ 6113.803606][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6113.803606][   T10] 
[ 6113.805516][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.805516][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.805516][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.805516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.805516][   T10]      ip6_route_add+0x1c/0x140
[ 6113.805516][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6113.805516][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6113.805516][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.805516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.805516][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.805516][   T10]      netlink_unicast+0x449/0x710
[ 6113.805516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.805516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.805516][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.805516][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.805516][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.805516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.805516][   T10] 
[ 6113.807501][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.807501][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.807501][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.807501][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.807501][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6113.807501][   T10]      ipv6_add_addr+0x411/0x2000
[ 6113.807501][   T10]      inet6_addr_add+0x30e/0xa40
[ 6113.807501][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.807501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.807501][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.807501][   T10]      netlink_unicast+0x449/0x710
[ 6113.807501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.807501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.807501][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.807501][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.807501][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.807501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.807501][   T10] 
[ 6113.809507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.809507][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.809507][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.809507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.809507][   T10]      ip6_route_add+0x1c/0x140
[ 6113.809507][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6113.809507][   T10]      addrconf_add_dev+0xe2/0x170
[ 6113.809507][   T10]      inet6_addr_add+0x12f/0xa40
[ 6113.809507][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.809507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.809507][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.809507][   T10]      netlink_unicast+0x449/0x710
[ 6113.809507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.809507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.809507][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.809507][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.809507][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.809507][   T10] 
[ 6113.811658][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.811658][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6113.811658][   T10]      ipv6_find_idev+0x102/0x170
[ 6113.811658][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6113.811658][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.811658][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.811658][   T10]      netlink_unicast+0x449/0x710
[ 6113.811658][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.811658][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.811658][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.811658][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.811658][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.811658][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.811658][   T10] 
[ 6113.813433][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6113.813433][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6113.813433][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6113.813433][   T10]      ipv6_find_idev+0x102/0x170
[ 6113.813433][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6113.813433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.813433][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.813433][   T10]      netlink_unicast+0x449/0x710
[ 6113.813433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.813433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.813433][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.813433][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.813433][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.813433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.813433][   T10] 
[ 6113.815296][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6113.815544][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6113.815544][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.815544][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.815544][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.815544][   T10]      ip6_route_add+0x1c/0x140
[ 6113.815544][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6113.815544][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6113.815544][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.815544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.815544][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.815544][   T10]      netlink_unicast+0x449/0x710
[ 6113.815544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.815544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.815544][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.815544][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.815544][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.815544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.815544][   T10] 
[ 6113.817791][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6113.817791][   T10]      netdev_get_by_index+0x5e/0x80
[ 6113.817791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6113.817791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6113.817791][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6113.817791][   T10]      ipv6_add_addr+0x411/0x2000
[ 6113.817791][   T10]      inet6_addr_add+0x30e/0xa40
[ 6113.817791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6113.817791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.817791][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.817791][   T10]      netlink_unicast+0x449/0x710
[ 6113.817791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.817791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.817791][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.817791][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.817791][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.817791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.817791][   T10] 
[ 6113.820016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6113.820016][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6113.820016][   T10]      ipv6_find_idev+0x102/0x170
[ 6113.820016][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6113.820016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.820016][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.820016][   T10]      netlink_unicast+0x449/0x710
[ 6113.820016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.820016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.820016][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.820016][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.820016][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.820016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.820016][   T10] 
[ 6113.821800][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6113.821800][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6113.821800][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6113.821800][   T10]      ipv6_find_idev+0x102/0x170
[ 6113.821800][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6113.821800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6113.821800][   T10]      netlink_rcv_skb+0x130/0x360
[ 6113.821800][   T10]      netlink_unicast+0x449/0x710
[ 6113.821800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6113.821800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6113.821800][   T10]      ___sys_sendmsg+0xee/0x170
[ 6113.821800][   T10]      __sys_sendmsg+0xcd/0x170
[ 6113.821800][   T10]      do_syscall_64+0xc6/0x1e0
[ 6113.821800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6113.821800][   T10] 
[ 6123.936711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6123.937164][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.937164][   T10]      dst_init+0x84/0x4a0
[ 6123.937164][   T10]      dst_alloc+0x97/0x150
[ 6123.937164][   T10]      ip6_dst_alloc+0x23/0x90
[ 6123.937164][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6123.937164][   T10]      ip6_pol_route+0x56f/0x840
[ 6123.937164][   T10]      fib6_rule_lookup+0x456/0x630
[ 6123.937164][   T10]      ip6_route_input+0x59c/0xa50
[ 6123.937164][   T10]      ipv6_rcv+0x397/0x810
[ 6123.937164][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6123.937164][   T10]      process_backlog+0x101/0x620
[ 6123.937164][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6123.937164][   T10]      net_rx_action+0x495/0xbe0
[ 6123.937164][   T10]      __do_softirq+0x1b5/0x7f6
[ 6123.937164][   T10] 
[ 6123.938832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.938832][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6123.938832][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6123.938832][   T10]      fib6_nh_init+0xa22/0x1580
[ 6123.938832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.938832][   T10]      ip6_route_add+0x1c/0x140
[ 6123.938832][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6123.938832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.938832][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.938832][   T10]      netlink_unicast+0x449/0x710
[ 6123.938832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.938832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.938832][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.938832][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.938832][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.938832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.938832][   T10] 
[ 6123.940723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.940723][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.940723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.940723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.940723][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6123.940723][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6123.940723][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6123.940723][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6123.940723][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6123.940723][   T10]      addrconf_dad_begin+0x310/0x670
[ 6123.940723][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6123.940723][   T10]      process_one_work+0x84d/0x18a0
[ 6123.940723][   T10]      worker_thread+0x587/0xd30
[ 6123.940723][   T10]      kthread+0x28a/0x350
[ 6123.940723][   T10]      ret_from_fork+0x31/0x70
[ 6123.940723][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6123.940723][   T10] 
[ 6123.942641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.942641][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.942641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.942641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.942641][   T10]      ip6_route_add+0x1c/0x140
[ 6123.942641][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6123.942641][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6123.942641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.942641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.942641][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.942641][   T10]      netlink_unicast+0x449/0x710
[ 6123.942641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.942641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.942641][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.942641][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.942641][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.942641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.942641][   T10] 
[ 6123.944630][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.944630][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.944630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.944630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.944630][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6123.944630][   T10]      ipv6_add_addr+0x411/0x2000
[ 6123.944630][   T10]      inet6_addr_add+0x30e/0xa40
[ 6123.944630][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.944630][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.944630][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.944630][   T10]      netlink_unicast+0x449/0x710
[ 6123.944630][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.944630][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.944630][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.944630][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.944630][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.944630][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.944630][   T10] 
[ 6123.946625][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.946625][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.946625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.946625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.946625][   T10]      ip6_route_add+0x1c/0x140
[ 6123.946625][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6123.946625][   T10]      addrconf_add_dev+0xe2/0x170
[ 6123.946625][   T10]      inet6_addr_add+0x12f/0xa40
[ 6123.946625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.946625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.946625][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.946625][   T10]      netlink_unicast+0x449/0x710
[ 6123.946625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.946625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.946625][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.946625][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.946625][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.946625][   T10] 
[ 6123.948593][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.948593][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6123.948593][   T10]      ipv6_find_idev+0x102/0x170
[ 6123.948593][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6123.948593][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.948593][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.948593][   T10]      netlink_unicast+0x449/0x710
[ 6123.948593][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.948593][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.948593][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.948593][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.948593][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.948593][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.948593][   T10] 
[ 6123.950134][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6123.950134][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6123.950134][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6123.950134][   T10]      ipv6_find_idev+0x102/0x170
[ 6123.950134][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6123.950134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.950134][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.950134][   T10]      netlink_unicast+0x449/0x710
[ 6123.950134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.950134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.950134][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.950134][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.950134][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.950134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.950134][   T10] 
[ 6123.951820][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6123.952056][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.952056][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6123.952056][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6123.952056][   T10]      fib6_nh_init+0xa22/0x1580
[ 6123.952056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.952056][   T10]      ip6_route_add+0x1c/0x140
[ 6123.952056][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6123.952056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.952056][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.952056][   T10]      netlink_unicast+0x449/0x710
[ 6123.952056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.952056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.952056][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.952056][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.952056][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.952056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.952056][   T10] 
[ 6123.953950][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.953950][   T10]      dst_init+0x84/0x4a0
[ 6123.953950][   T10]      dst_alloc+0x97/0x150
[ 6123.953950][   T10]      ip6_dst_alloc+0x23/0x90
[ 6123.953950][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6123.953950][   T10]      ip6_pol_route+0x56f/0x840
[ 6123.953950][   T10]      fib6_rule_lookup+0x456/0x630
[ 6123.953950][   T10]      ip6_route_input+0x59c/0xa50
[ 6123.953950][   T10]      ipv6_rcv+0x397/0x810
[ 6123.953950][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6123.953950][   T10]      process_backlog+0x101/0x620
[ 6123.953950][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6123.953950][   T10]      net_rx_action+0x495/0xbe0
[ 6123.953950][   T10]      __do_softirq+0x1b5/0x7f6
[ 6123.953950][   T10] 
[ 6123.955578][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.955578][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.955578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.955578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.955578][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6123.955578][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6123.955578][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6123.955578][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6123.955578][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6123.955578][   T10]      addrconf_dad_begin+0x310/0x670
[ 6123.955578][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6123.955578][   T10]      process_one_work+0x84d/0x18a0
[ 6123.955578][   T10]      worker_thread+0x587/0xd30
[ 6123.955578][   T10]      kthread+0x28a/0x350
[ 6123.955578][   T10]      ret_from_fork+0x31/0x70
[ 6123.955578][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6123.955578][   T10] 
[ 6123.957479][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.957479][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.957479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.957479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.957479][   T10]      ip6_route_add+0x1c/0x140
[ 6123.957479][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6123.957479][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6123.957479][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.957479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.957479][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.957479][   T10]      netlink_unicast+0x449/0x710
[ 6123.957479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.957479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.957479][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.957479][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.957479][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.957479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.957479][   T10] 
[ 6123.959476][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.959476][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.959476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.959476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.959476][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6123.959476][   T10]      ipv6_add_addr+0x411/0x2000
[ 6123.959476][   T10]      inet6_addr_add+0x30e/0xa40
[ 6123.959476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.959476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.959476][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.959476][   T10]      netlink_unicast+0x449/0x710
[ 6123.959476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.959476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.959476][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.959476][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.959476][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.959476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.959476][   T10] 
[ 6123.961476][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.961476][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.961476][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.961476][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.961476][   T10]      ip6_route_add+0x1c/0x140
[ 6123.961476][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6123.961476][   T10]      addrconf_add_dev+0xe2/0x170
[ 6123.961476][   T10]      inet6_addr_add+0x12f/0xa40
[ 6123.961476][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.961476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.961476][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.961476][   T10]      netlink_unicast+0x449/0x710
[ 6123.961476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.961476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.961476][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.961476][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.961476][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.961476][   T10] 
[ 6123.963622][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.963622][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6123.963622][   T10]      ipv6_find_idev+0x102/0x170
[ 6123.963622][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6123.963622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.963622][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.963622][   T10]      netlink_unicast+0x449/0x710
[ 6123.963622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.963622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.963622][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.963622][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.963622][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.963622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.963622][   T10] 
[ 6123.965337][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6123.965337][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6123.965337][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6123.965337][   T10]      ipv6_find_idev+0x102/0x170
[ 6123.965337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6123.965337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.965337][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.965337][   T10]      netlink_unicast+0x449/0x710
[ 6123.965337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.965337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.965337][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.965337][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.965337][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.965337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.965337][   T10] 
[ 6123.967272][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6123.967508][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6123.967508][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.967508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.967508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.967508][   T10]      ip6_route_add+0x1c/0x140
[ 6123.967508][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6123.967508][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6123.967508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.967508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.967508][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.967508][   T10]      netlink_unicast+0x449/0x710
[ 6123.967508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.967508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.967508][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.967508][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.967508][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.967508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.967508][   T10] 
[ 6123.969764][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6123.969764][   T10]      netdev_get_by_index+0x5e/0x80
[ 6123.969764][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6123.969764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6123.969764][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6123.969764][   T10]      ipv6_add_addr+0x411/0x2000
[ 6123.969764][   T10]      inet6_addr_add+0x30e/0xa40
[ 6123.969764][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6123.969764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.969764][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.969764][   T10]      netlink_unicast+0x449/0x710
[ 6123.969764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.969764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.969764][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.969764][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.969764][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.969764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.969764][   T10] 
[ 6123.971997][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6123.971997][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6123.971997][   T10]      ipv6_find_idev+0x102/0x170
[ 6123.971997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6123.971997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.971997][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.971997][   T10]      netlink_unicast+0x449/0x710
[ 6123.971997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.971997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.971997][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.971997][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.971997][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.971997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.971997][   T10] 
[ 6123.973707][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6123.973707][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6123.973707][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6123.973707][   T10]      ipv6_find_idev+0x102/0x170
[ 6123.973707][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6123.973707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6123.973707][   T10]      netlink_rcv_skb+0x130/0x360
[ 6123.973707][   T10]      netlink_unicast+0x449/0x710
[ 6123.973707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6123.973707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6123.973707][   T10]      ___sys_sendmsg+0xee/0x170
[ 6123.973707][   T10]      __sys_sendmsg+0xcd/0x170
[ 6123.973707][   T10]      do_syscall_64+0xc6/0x1e0
[ 6123.973707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6123.973707][   T10] 
[ 6134.024770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6134.025351][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.025351][   T10]      dst_init+0x84/0x4a0
[ 6134.025351][   T10]      dst_alloc+0x97/0x150
[ 6134.025351][   T10]      ip6_dst_alloc+0x23/0x90
[ 6134.025351][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6134.025351][   T10]      ip6_pol_route+0x56f/0x840
[ 6134.025351][   T10]      fib6_rule_lookup+0x456/0x630
[ 6134.025351][   T10]      ip6_route_input+0x59c/0xa50
[ 6134.025351][   T10]      ipv6_rcv+0x397/0x810
[ 6134.025351][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6134.025351][   T10]      process_backlog+0x101/0x620
[ 6134.025351][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6134.025351][   T10]      net_rx_action+0x495/0xbe0
[ 6134.025351][   T10]      __do_softirq+0x1b5/0x7f6
[ 6134.025351][   T10] 
[ 6134.027097][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.027097][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6134.027097][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6134.027097][   T10]      fib6_nh_init+0xa22/0x1580
[ 6134.027097][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.027097][   T10]      ip6_route_add+0x1c/0x140
[ 6134.027097][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6134.027097][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.027097][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.027097][   T10]      netlink_unicast+0x449/0x710
[ 6134.027097][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.027097][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.027097][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.027097][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.027097][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.027097][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.027097][   T10] 
[ 6134.029026][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.029026][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.029026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.029026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.029026][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6134.029026][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6134.029026][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6134.029026][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6134.029026][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6134.029026][   T10]      addrconf_dad_begin+0x310/0x670
[ 6134.029026][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6134.029026][   T10]      process_one_work+0x84d/0x18a0
[ 6134.029026][   T10]      worker_thread+0x587/0xd30
[ 6134.029026][   T10]      kthread+0x28a/0x350
[ 6134.029026][   T10]      ret_from_fork+0x31/0x70
[ 6134.029026][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6134.029026][   T10] 
[ 6134.030943][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.030943][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.030943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.030943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.030943][   T10]      ip6_route_add+0x1c/0x140
[ 6134.030943][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6134.030943][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6134.030943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.030943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.030943][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.030943][   T10]      netlink_unicast+0x449/0x710
[ 6134.030943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.030943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.030943][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.030943][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.030943][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.030943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.030943][   T10] 
[ 6134.032939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.032939][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.032939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.032939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.032939][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6134.032939][   T10]      ipv6_add_addr+0x411/0x2000
[ 6134.032939][   T10]      inet6_addr_add+0x30e/0xa40
[ 6134.032939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.032939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.032939][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.032939][   T10]      netlink_unicast+0x449/0x710
[ 6134.032939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.032939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.032939][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.032939][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.032939][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.032939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.032939][   T10] 
[ 6134.034960][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.034960][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.034960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.034960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.034960][   T10]      ip6_route_add+0x1c/0x140
[ 6134.034960][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6134.034960][   T10]      addrconf_add_dev+0xe2/0x170
[ 6134.034960][   T10]      inet6_addr_add+0x12f/0xa40
[ 6134.034960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.034960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.034960][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.034960][   T10]      netlink_unicast+0x449/0x710
[ 6134.034960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.034960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.034960][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.034960][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.034960][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.034960][   T10] 
[ 6134.036919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.036919][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6134.036919][   T10]      ipv6_find_idev+0x102/0x170
[ 6134.036919][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6134.036919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.036919][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.036919][   T10]      netlink_unicast+0x449/0x710
[ 6134.036919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.036919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.036919][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.036919][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.036919][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.036919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.036919][   T10] 
[ 6134.038467][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6134.038467][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6134.038467][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6134.038467][   T10]      ipv6_find_idev+0x102/0x170
[ 6134.038467][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6134.038467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.038467][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.038467][   T10]      netlink_unicast+0x449/0x710
[ 6134.038467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.038467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.038467][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.038467][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.038467][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.038467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.038467][   T10] 
[ 6134.040153][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6134.040396][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.040396][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6134.040396][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6134.040396][   T10]      fib6_nh_init+0xa22/0x1580
[ 6134.040396][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.040396][   T10]      ip6_route_add+0x1c/0x140
[ 6134.040396][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6134.040396][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.040396][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.040396][   T10]      netlink_unicast+0x449/0x710
[ 6134.040396][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.040396][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.040396][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.040396][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.040396][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.040396][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.040396][   T10] 
[ 6134.042289][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.042289][   T10]      dst_init+0x84/0x4a0
[ 6134.042289][   T10]      dst_alloc+0x97/0x150
[ 6134.042289][   T10]      ip6_dst_alloc+0x23/0x90
[ 6134.042289][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6134.042289][   T10]      ip6_pol_route+0x56f/0x840
[ 6134.042289][   T10]      fib6_rule_lookup+0x456/0x630
[ 6134.042289][   T10]      ip6_route_input+0x59c/0xa50
[ 6134.042289][   T10]      ipv6_rcv+0x397/0x810
[ 6134.042289][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6134.042289][   T10]      process_backlog+0x101/0x620
[ 6134.042289][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6134.042289][   T10]      net_rx_action+0x495/0xbe0
[ 6134.042289][   T10]      __do_softirq+0x1b5/0x7f6
[ 6134.042289][   T10] 
[ 6134.043910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.043910][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.043910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.043910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.043910][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6134.043910][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6134.043910][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6134.043910][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6134.043910][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6134.043910][   T10]      addrconf_dad_begin+0x310/0x670
[ 6134.043910][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6134.043910][   T10]      process_one_work+0x84d/0x18a0
[ 6134.043910][   T10]      worker_thread+0x587/0xd30
[ 6134.043910][   T10]      kthread+0x28a/0x350
[ 6134.043910][   T10]      ret_from_fork+0x31/0x70
[ 6134.043910][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6134.043910][   T10] 
[ 6134.045807][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.045807][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.045807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.045807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.045807][   T10]      ip6_route_add+0x1c/0x140
[ 6134.045807][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6134.045807][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6134.045807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.045807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.045807][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.045807][   T10]      netlink_unicast+0x449/0x710
[ 6134.045807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.045807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.045807][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.045807][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.045807][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.045807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.045807][   T10] 
[ 6134.047803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.047803][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.047803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.047803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.047803][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6134.047803][   T10]      ipv6_add_addr+0x411/0x2000
[ 6134.047803][   T10]      inet6_addr_add+0x30e/0xa40
[ 6134.047803][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.047803][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.047803][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.047803][   T10]      netlink_unicast+0x449/0x710
[ 6134.047803][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.047803][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.047803][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.047803][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.047803][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.047803][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.047803][   T10] 
[ 6134.049796][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.049796][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.049796][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.049796][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.049796][   T10]      ip6_route_add+0x1c/0x140
[ 6134.049796][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6134.049796][   T10]      addrconf_add_dev+0xe2/0x170
[ 6134.049796][   T10]      inet6_addr_add+0x12f/0xa40
[ 6134.049796][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.049796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.049796][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.049796][   T10]      netlink_unicast+0x449/0x710
[ 6134.049796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.049796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.049796][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.049796][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.049796][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.049796][   T10] 
[ 6134.051940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.051940][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6134.051940][   T10]      ipv6_find_idev+0x102/0x170
[ 6134.051940][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6134.051940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.051940][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.051940][   T10]      netlink_unicast+0x449/0x710
[ 6134.051940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.051940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.051940][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.051940][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.051940][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.051940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.051940][   T10] 
[ 6134.053720][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6134.053720][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6134.053720][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6134.053720][   T10]      ipv6_find_idev+0x102/0x170
[ 6134.053720][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6134.053720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.053720][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.053720][   T10]      netlink_unicast+0x449/0x710
[ 6134.053720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.053720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.053720][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.053720][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.053720][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.053720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.053720][   T10] 
[ 6134.055595][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6134.055830][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6134.055830][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.055830][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.055830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.055830][   T10]      ip6_route_add+0x1c/0x140
[ 6134.055830][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6134.055830][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6134.055830][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.055830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.055830][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.055830][   T10]      netlink_unicast+0x449/0x710
[ 6134.055830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.055830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.055830][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.055830][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.055830][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.055830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.055830][   T10] 
[ 6134.058068][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6134.058068][   T10]      netdev_get_by_index+0x5e/0x80
[ 6134.058068][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6134.058068][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6134.058068][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6134.058068][   T10]      ipv6_add_addr+0x411/0x2000
[ 6134.058068][   T10]      inet6_addr_add+0x30e/0xa40
[ 6134.058068][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6134.058068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.058068][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.058068][   T10]      netlink_unicast+0x449/0x710
[ 6134.058068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.058068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.058068][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.058068][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.058068][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.058068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.058068][   T10] 
[ 6134.060294][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6134.060294][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6134.060294][   T10]      ipv6_find_idev+0x102/0x170
[ 6134.060294][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6134.060294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.060294][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.060294][   T10]      netlink_unicast+0x449/0x710
[ 6134.060294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.060294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.060294][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.060294][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.060294][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.060294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.060294][   T10] 
[ 6134.062072][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6134.062072][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6134.062072][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6134.062072][   T10]      ipv6_find_idev+0x102/0x170
[ 6134.062072][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6134.062072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6134.062072][   T10]      netlink_rcv_skb+0x130/0x360
[ 6134.062072][   T10]      netlink_unicast+0x449/0x710
[ 6134.062072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6134.062072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6134.062072][   T10]      ___sys_sendmsg+0xee/0x170
[ 6134.062072][   T10]      __sys_sendmsg+0xcd/0x170
[ 6134.062072][   T10]      do_syscall_64+0xc6/0x1e0
[ 6134.062072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6134.062072][   T10] 
[ 6144.168732][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6144.169213][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.169213][   T10]      dst_init+0x84/0x4a0
[ 6144.169213][   T10]      dst_alloc+0x97/0x150
[ 6144.169213][   T10]      ip6_dst_alloc+0x23/0x90
[ 6144.169213][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6144.169213][   T10]      ip6_pol_route+0x56f/0x840
[ 6144.169213][   T10]      fib6_rule_lookup+0x456/0x630
[ 6144.169213][   T10]      ip6_route_input+0x59c/0xa50
[ 6144.169213][   T10]      ipv6_rcv+0x397/0x810
[ 6144.169213][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6144.169213][   T10]      process_backlog+0x101/0x620
[ 6144.169213][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6144.169213][   T10]      net_rx_action+0x495/0xbe0
[ 6144.169213][   T10]      __do_softirq+0x1b5/0x7f6
[ 6144.169213][   T10] 
[ 6144.170881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.170881][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6144.170881][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6144.170881][   T10]      fib6_nh_init+0xa22/0x1580
[ 6144.170881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.170881][   T10]      ip6_route_add+0x1c/0x140
[ 6144.170881][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6144.170881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.170881][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.170881][   T10]      netlink_unicast+0x449/0x710
[ 6144.170881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.170881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.170881][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.170881][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.170881][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.170881][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.170881][   T10] 
[ 6144.172789][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.172789][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.172789][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.172789][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.172789][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6144.172789][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6144.172789][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6144.172789][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6144.172789][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6144.172789][   T10]      addrconf_dad_begin+0x310/0x670
[ 6144.172789][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6144.172789][   T10]      process_one_work+0x84d/0x18a0
[ 6144.172789][   T10]      worker_thread+0x587/0xd30
[ 6144.172789][   T10]      kthread+0x28a/0x350
[ 6144.172789][   T10]      ret_from_fork+0x31/0x70
[ 6144.172789][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6144.172789][   T10] 
[ 6144.174701][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.174701][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.174701][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.174701][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.174701][   T10]      ip6_route_add+0x1c/0x140
[ 6144.174701][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6144.174701][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6144.174701][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.174701][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.174701][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.174701][   T10]      netlink_unicast+0x449/0x710
[ 6144.174701][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.174701][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.174701][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.174701][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.174701][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.174701][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.174701][   T10] 
[ 6144.176707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.176707][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.176707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.176707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.176707][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6144.176707][   T10]      ipv6_add_addr+0x411/0x2000
[ 6144.176707][   T10]      inet6_addr_add+0x30e/0xa40
[ 6144.176707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.176707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.176707][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.176707][   T10]      netlink_unicast+0x449/0x710
[ 6144.176707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.176707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.176707][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.176707][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.176707][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.176707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.176707][   T10] 
[ 6144.178708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.178708][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.178708][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.178708][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.178708][   T10]      ip6_route_add+0x1c/0x140
[ 6144.178708][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6144.178708][   T10]      addrconf_add_dev+0xe2/0x170
[ 6144.178708][   T10]      inet6_addr_add+0x12f/0xa40
[ 6144.178708][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.178708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.178708][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.178708][   T10]      netlink_unicast+0x449/0x710
[ 6144.178708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.178708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.178708][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.178708][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.178708][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.178708][   T10] 
[ 6144.180636][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.180636][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6144.180636][   T10]      ipv6_find_idev+0x102/0x170
[ 6144.180636][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6144.180636][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.180636][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.180636][   T10]      netlink_unicast+0x449/0x710
[ 6144.180636][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.180636][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.180636][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.180636][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.180636][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.180636][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.180636][   T10] 
[ 6144.182156][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6144.182156][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6144.182156][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6144.182156][   T10]      ipv6_find_idev+0x102/0x170
[ 6144.182156][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6144.182156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.182156][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.182156][   T10]      netlink_unicast+0x449/0x710
[ 6144.182156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.182156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.182156][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.182156][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.182156][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.182156][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.182156][   T10] 
[ 6144.183840][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6144.184084][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.184084][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6144.184084][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6144.184084][   T10]      fib6_nh_init+0xa22/0x1580
[ 6144.184084][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.184084][   T10]      ip6_route_add+0x1c/0x140
[ 6144.184084][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6144.184084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.184084][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.184084][   T10]      netlink_unicast+0x449/0x710
[ 6144.184084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.184084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.184084][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.184084][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.184084][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.184084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.184084][   T10] 
[ 6144.185958][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.185958][   T10]      dst_init+0x84/0x4a0
[ 6144.185958][   T10]      dst_alloc+0x97/0x150
[ 6144.185958][   T10]      ip6_dst_alloc+0x23/0x90
[ 6144.185958][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6144.185958][   T10]      ip6_pol_route+0x56f/0x840
[ 6144.185958][   T10]      fib6_rule_lookup+0x456/0x630
[ 6144.185958][   T10]      ip6_route_input+0x59c/0xa50
[ 6144.185958][   T10]      ipv6_rcv+0x397/0x810
[ 6144.185958][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6144.185958][   T10]      process_backlog+0x101/0x620
[ 6144.185958][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6144.185958][   T10]      net_rx_action+0x495/0xbe0
[ 6144.185958][   T10]      __do_softirq+0x1b5/0x7f6
[ 6144.185958][   T10] 
[ 6144.187615][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.187615][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.187615][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.187615][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.187615][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6144.187615][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6144.187615][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6144.187615][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6144.187615][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6144.187615][   T10]      addrconf_dad_begin+0x310/0x670
[ 6144.187615][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6144.187615][   T10]      process_one_work+0x84d/0x18a0
[ 6144.187615][   T10]      worker_thread+0x587/0xd30
[ 6144.187615][   T10]      kthread+0x28a/0x350
[ 6144.187615][   T10]      ret_from_fork+0x31/0x70
[ 6144.187615][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6144.187615][   T10] 
[ 6144.189543][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.189543][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.189543][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.189543][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.189543][   T10]      ip6_route_add+0x1c/0x140
[ 6144.189543][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6144.189543][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6144.189543][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.189543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.189543][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.189543][   T10]      netlink_unicast+0x449/0x710
[ 6144.189543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.189543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.189543][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.189543][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.189543][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.189543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.189543][   T10] 
[ 6144.191534][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.191534][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.191534][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.191534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.191534][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6144.191534][   T10]      ipv6_add_addr+0x411/0x2000
[ 6144.191534][   T10]      inet6_addr_add+0x30e/0xa40
[ 6144.191534][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.191534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.191534][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.191534][   T10]      netlink_unicast+0x449/0x710
[ 6144.191534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.191534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.191534][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.191534][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.191534][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.191534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.191534][   T10] 
[ 6144.193527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.193527][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.193527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.193527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.193527][   T10]      ip6_route_add+0x1c/0x140
[ 6144.193527][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6144.193527][   T10]      addrconf_add_dev+0xe2/0x170
[ 6144.193527][   T10]      inet6_addr_add+0x12f/0xa40
[ 6144.193527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.193527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.193527][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.193527][   T10]      netlink_unicast+0x449/0x710
[ 6144.193527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.193527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.193527][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.193527][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.193527][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.193527][   T10] 
[ 6144.195686][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.195686][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6144.195686][   T10]      ipv6_find_idev+0x102/0x170
[ 6144.195686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6144.195686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.195686][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.195686][   T10]      netlink_unicast+0x449/0x710
[ 6144.195686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.195686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.195686][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.195686][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.195686][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.195686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.195686][   T10] 
[ 6144.197412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6144.197412][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6144.197412][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6144.197412][   T10]      ipv6_find_idev+0x102/0x170
[ 6144.197412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6144.197412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.197412][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.197412][   T10]      netlink_unicast+0x449/0x710
[ 6144.197412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.197412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.197412][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.197412][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.197412][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.197412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.197412][   T10] 
[ 6144.199339][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6144.199584][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6144.199584][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.199584][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.199584][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.199584][   T10]      ip6_route_add+0x1c/0x140
[ 6144.199584][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6144.199584][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6144.199584][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.199584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.199584][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.199584][   T10]      netlink_unicast+0x449/0x710
[ 6144.199584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.199584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.199584][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.199584][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.199584][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.199584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.199584][   T10] 
[ 6144.201821][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6144.201821][   T10]      netdev_get_by_index+0x5e/0x80
[ 6144.201821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6144.201821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6144.201821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6144.201821][   T10]      ipv6_add_addr+0x411/0x2000
[ 6144.201821][   T10]      inet6_addr_add+0x30e/0xa40
[ 6144.201821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6144.201821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.201821][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.201821][   T10]      netlink_unicast+0x449/0x710
[ 6144.201821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.201821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.201821][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.201821][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.201821][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.201821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.201821][   T10] 
[ 6144.204055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6144.204055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6144.204055][   T10]      ipv6_find_idev+0x102/0x170
[ 6144.204055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6144.204055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.204055][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.204055][   T10]      netlink_unicast+0x449/0x710
[ 6144.204055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.204055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.204055][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.204055][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.204055][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.204055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.204055][   T10] 
[ 6144.205772][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6144.205772][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6144.205772][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6144.205772][   T10]      ipv6_find_idev+0x102/0x170
[ 6144.205772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6144.205772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6144.205772][   T10]      netlink_rcv_skb+0x130/0x360
[ 6144.205772][   T10]      netlink_unicast+0x449/0x710
[ 6144.205772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6144.205772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6144.205772][   T10]      ___sys_sendmsg+0xee/0x170
[ 6144.205772][   T10]      __sys_sendmsg+0xcd/0x170
[ 6144.205772][   T10]      do_syscall_64+0xc6/0x1e0
[ 6144.205772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6144.205772][   T10] 
[ 6154.424730][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6154.425187][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.425187][   T10]      dst_init+0x84/0x4a0
[ 6154.425187][   T10]      dst_alloc+0x97/0x150
[ 6154.425187][   T10]      ip6_dst_alloc+0x23/0x90
[ 6154.425187][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6154.425187][   T10]      ip6_pol_route+0x56f/0x840
[ 6154.425187][   T10]      fib6_rule_lookup+0x456/0x630
[ 6154.425187][   T10]      ip6_route_input+0x59c/0xa50
[ 6154.425187][   T10]      ipv6_rcv+0x397/0x810
[ 6154.425187][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6154.425187][   T10]      process_backlog+0x101/0x620
[ 6154.425187][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6154.425187][   T10]      net_rx_action+0x495/0xbe0
[ 6154.425187][   T10]      __do_softirq+0x1b5/0x7f6
[ 6154.425187][   T10] 
[ 6154.426848][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.426848][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6154.426848][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6154.426848][   T10]      fib6_nh_init+0xa22/0x1580
[ 6154.426848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.426848][   T10]      ip6_route_add+0x1c/0x140
[ 6154.426848][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6154.426848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.426848][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.426848][   T10]      netlink_unicast+0x449/0x710
[ 6154.426848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.426848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.426848][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.426848][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.426848][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.426848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.426848][   T10] 
[ 6154.429299][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.429299][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.429299][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.429299][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.429299][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6154.429299][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6154.429299][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6154.429299][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6154.429299][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6154.429299][   T10]      addrconf_dad_begin+0x310/0x670
[ 6154.429299][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6154.429299][   T10]      process_one_work+0x84d/0x18a0
[ 6154.429299][   T10]      worker_thread+0x587/0xd30
[ 6154.429299][   T10]      kthread+0x28a/0x350
[ 6154.429299][   T10]      ret_from_fork+0x31/0x70
[ 6154.429299][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6154.429299][   T10] 
[ 6154.431219][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.431219][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.431219][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.431219][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.431219][   T10]      ip6_route_add+0x1c/0x140
[ 6154.431219][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6154.431219][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6154.431219][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.431219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.431219][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.431219][   T10]      netlink_unicast+0x449/0x710
[ 6154.431219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.431219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.431219][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.431219][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.431219][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.431219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.431219][   T10] 
[ 6154.433243][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.433243][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.433243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.433243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.433243][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6154.433243][   T10]      ipv6_add_addr+0x411/0x2000
[ 6154.433243][   T10]      inet6_addr_add+0x30e/0xa40
[ 6154.433243][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.433243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.433243][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.433243][   T10]      netlink_unicast+0x449/0x710
[ 6154.433243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.433243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.433243][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.433243][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.433243][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.433243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.433243][   T10] 
[ 6154.435246][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.435246][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.435246][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.435246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.435246][   T10]      ip6_route_add+0x1c/0x140
[ 6154.435246][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6154.435246][   T10]      addrconf_add_dev+0xe2/0x170
[ 6154.435246][   T10]      inet6_addr_add+0x12f/0xa40
[ 6154.435246][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.435246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.435246][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.435246][   T10]      netlink_unicast+0x449/0x710
[ 6154.435246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.435246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.435246][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.435246][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.435246][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.435246][   T10] 
[ 6154.437214][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.437214][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6154.437214][   T10]      ipv6_find_idev+0x102/0x170
[ 6154.437214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6154.437214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.437214][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.437214][   T10]      netlink_unicast+0x449/0x710
[ 6154.437214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.437214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.437214][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.437214][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.437214][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.437214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.437214][   T10] 
[ 6154.438767][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6154.438767][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6154.438767][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6154.438767][   T10]      ipv6_find_idev+0x102/0x170
[ 6154.438767][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6154.438767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.438767][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.438767][   T10]      netlink_unicast+0x449/0x710
[ 6154.438767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.438767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.438767][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.438767][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.438767][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.438767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.438767][   T10] 
[ 6154.440461][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6154.440720][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.440720][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6154.440720][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6154.440720][   T10]      fib6_nh_init+0xa22/0x1580
[ 6154.440720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.440720][   T10]      ip6_route_add+0x1c/0x140
[ 6154.440720][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6154.440720][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.440720][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.440720][   T10]      netlink_unicast+0x449/0x710
[ 6154.440720][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.440720][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.440720][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.440720][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.440720][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.440720][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.440720][   T10] 
[ 6154.442596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.442596][   T10]      dst_init+0x84/0x4a0
[ 6154.442596][   T10]      dst_alloc+0x97/0x150
[ 6154.442596][   T10]      ip6_dst_alloc+0x23/0x90
[ 6154.442596][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6154.442596][   T10]      ip6_pol_route+0x56f/0x840
[ 6154.442596][   T10]      fib6_rule_lookup+0x456/0x630
[ 6154.442596][   T10]      ip6_route_input+0x59c/0xa50
[ 6154.442596][   T10]      ipv6_rcv+0x397/0x810
[ 6154.442596][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6154.442596][   T10]      process_backlog+0x101/0x620
[ 6154.442596][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6154.442596][   T10]      net_rx_action+0x495/0xbe0
[ 6154.442596][   T10]      __do_softirq+0x1b5/0x7f6
[ 6154.442596][   T10] 
[ 6154.444348][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.444348][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.444348][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.444348][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.444348][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6154.444348][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6154.444348][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6154.444348][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6154.444348][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6154.444348][   T10]      addrconf_dad_begin+0x310/0x670
[ 6154.444348][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6154.444348][   T10]      process_one_work+0x84d/0x18a0
[ 6154.444348][   T10]      worker_thread+0x587/0xd30
[ 6154.444348][   T10]      kthread+0x28a/0x350
[ 6154.444348][   T10]      ret_from_fork+0x31/0x70
[ 6154.444348][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6154.444348][   T10] 
[ 6154.446249][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.446249][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.446249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.446249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.446249][   T10]      ip6_route_add+0x1c/0x140
[ 6154.446249][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6154.446249][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6154.446249][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.446249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.446249][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.446249][   T10]      netlink_unicast+0x449/0x710
[ 6154.446249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.446249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.446249][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.446249][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.446249][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.446249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.446249][   T10] 
[ 6154.448236][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.448236][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.448236][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.448236][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.448236][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6154.448236][   T10]      ipv6_add_addr+0x411/0x2000
[ 6154.448236][   T10]      inet6_addr_add+0x30e/0xa40
[ 6154.448236][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.448236][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.448236][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.448236][   T10]      netlink_unicast+0x449/0x710
[ 6154.448236][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.448236][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.448236][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.448236][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.448236][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.448236][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.448236][   T10] 
[ 6154.450225][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.450225][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.450225][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.450225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.450225][   T10]      ip6_route_add+0x1c/0x140
[ 6154.450225][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6154.450225][   T10]      addrconf_add_dev+0xe2/0x170
[ 6154.450225][   T10]      inet6_addr_add+0x12f/0xa40
[ 6154.450225][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.450225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.450225][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.450225][   T10]      netlink_unicast+0x449/0x710
[ 6154.450225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.450225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.450225][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.450225][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.450225][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.450225][   T10] 
[ 6154.452363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.452363][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6154.452363][   T10]      ipv6_find_idev+0x102/0x170
[ 6154.452363][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6154.452363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.452363][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.452363][   T10]      netlink_unicast+0x449/0x710
[ 6154.452363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.452363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.452363][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.452363][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.452363][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.452363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.452363][   T10] 
[ 6154.454141][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6154.454141][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6154.454141][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6154.454141][   T10]      ipv6_find_idev+0x102/0x170
[ 6154.454141][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6154.454141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.454141][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.454141][   T10]      netlink_unicast+0x449/0x710
[ 6154.454141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.454141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.454141][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.454141][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.454141][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.454141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.454141][   T10] 
[ 6154.455999][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6154.456245][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6154.456245][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.456245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.456245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.456245][   T10]      ip6_route_add+0x1c/0x140
[ 6154.456245][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6154.456245][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6154.456245][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.456245][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.456245][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.456245][   T10]      netlink_unicast+0x449/0x710
[ 6154.456245][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.456245][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.456245][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.456245][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.456245][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.456245][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.456245][   T10] 
[ 6154.458490][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6154.458490][   T10]      netdev_get_by_index+0x5e/0x80
[ 6154.458490][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6154.458490][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6154.458490][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6154.458490][   T10]      ipv6_add_addr+0x411/0x2000
[ 6154.458490][   T10]      inet6_addr_add+0x30e/0xa40
[ 6154.458490][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6154.458490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.458490][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.458490][   T10]      netlink_unicast+0x449/0x710
[ 6154.458490][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.458490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.458490][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.458490][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.458490][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.458490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.458490][   T10] 
[ 6154.460718][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6154.460718][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6154.460718][   T10]      ipv6_find_idev+0x102/0x170
[ 6154.460718][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6154.460718][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.460718][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.460718][   T10]      netlink_unicast+0x449/0x710
[ 6154.460718][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.460718][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.460718][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.460718][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.460718][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.460718][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.460718][   T10] 
[ 6154.462502][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6154.462502][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6154.462502][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6154.462502][   T10]      ipv6_find_idev+0x102/0x170
[ 6154.462502][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6154.462502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6154.462502][   T10]      netlink_rcv_skb+0x130/0x360
[ 6154.462502][   T10]      netlink_unicast+0x449/0x710
[ 6154.462502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6154.462502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6154.462502][   T10]      ___sys_sendmsg+0xee/0x170
[ 6154.462502][   T10]      __sys_sendmsg+0xcd/0x170
[ 6154.462502][   T10]      do_syscall_64+0xc6/0x1e0
[ 6154.462502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6154.462502][   T10] 
[ 6164.704724][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6164.705184][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.705184][   T10]      dst_init+0x84/0x4a0
[ 6164.705184][   T10]      dst_alloc+0x97/0x150
[ 6164.705184][   T10]      ip6_dst_alloc+0x23/0x90
[ 6164.705184][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6164.705184][   T10]      ip6_pol_route+0x56f/0x840
[ 6164.705184][   T10]      fib6_rule_lookup+0x456/0x630
[ 6164.705184][   T10]      ip6_route_input+0x59c/0xa50
[ 6164.705184][   T10]      ipv6_rcv+0x397/0x810
[ 6164.705184][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6164.705184][   T10]      process_backlog+0x101/0x620
[ 6164.705184][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6164.705184][   T10]      net_rx_action+0x495/0xbe0
[ 6164.705184][   T10]      __do_softirq+0x1b5/0x7f6
[ 6164.705184][   T10] 
[ 6164.706884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.706884][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6164.706884][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6164.706884][   T10]      fib6_nh_init+0xa22/0x1580
[ 6164.706884][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.706884][   T10]      ip6_route_add+0x1c/0x140
[ 6164.706884][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6164.706884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.706884][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.706884][   T10]      netlink_unicast+0x449/0x710
[ 6164.706884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.706884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.706884][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.706884][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.706884][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.706884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.706884][   T10] 
[ 6164.708809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.708809][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.708809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.708809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.708809][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6164.708809][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6164.708809][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6164.708809][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6164.708809][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6164.708809][   T10]      addrconf_dad_begin+0x310/0x670
[ 6164.708809][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6164.708809][   T10]      process_one_work+0x84d/0x18a0
[ 6164.708809][   T10]      worker_thread+0x587/0xd30
[ 6164.708809][   T10]      kthread+0x28a/0x350
[ 6164.708809][   T10]      ret_from_fork+0x31/0x70
[ 6164.708809][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6164.708809][   T10] 
[ 6164.710747][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.710747][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.710747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.710747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.710747][   T10]      ip6_route_add+0x1c/0x140
[ 6164.710747][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6164.710747][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6164.710747][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.710747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.710747][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.710747][   T10]      netlink_unicast+0x449/0x710
[ 6164.710747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.710747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.710747][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.710747][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.710747][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.710747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.710747][   T10] 
[ 6164.713313][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.713313][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.713313][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.713313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.713313][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6164.713313][   T10]      ipv6_add_addr+0x411/0x2000
[ 6164.713313][   T10]      inet6_addr_add+0x30e/0xa40
[ 6164.713313][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.713313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.713313][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.713313][   T10]      netlink_unicast+0x449/0x710
[ 6164.713313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.713313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.713313][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.713313][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.713313][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.713313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.713313][   T10] 
[ 6164.715335][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.715335][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.715335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.715335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.715335][   T10]      ip6_route_add+0x1c/0x140
[ 6164.715335][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6164.715335][   T10]      addrconf_add_dev+0xe2/0x170
[ 6164.715335][   T10]      inet6_addr_add+0x12f/0xa40
[ 6164.715335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.715335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.715335][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.715335][   T10]      netlink_unicast+0x449/0x710
[ 6164.715335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.715335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.715335][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.715335][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.715335][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.715335][   T10] 
[ 6164.717330][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.717330][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6164.717330][   T10]      ipv6_find_idev+0x102/0x170
[ 6164.717330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6164.717330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.717330][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.717330][   T10]      netlink_unicast+0x449/0x710
[ 6164.717330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.717330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.717330][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.717330][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.717330][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.717330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.717330][   T10] 
[ 6164.718886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6164.718886][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6164.718886][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6164.718886][   T10]      ipv6_find_idev+0x102/0x170
[ 6164.718886][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6164.718886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.718886][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.718886][   T10]      netlink_unicast+0x449/0x710
[ 6164.718886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.718886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.718886][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.718886][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.718886][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.718886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.718886][   T10] 
[ 6164.720616][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6164.720862][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.720862][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6164.720862][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6164.720862][   T10]      fib6_nh_init+0xa22/0x1580
[ 6164.720862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.720862][   T10]      ip6_route_add+0x1c/0x140
[ 6164.720862][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6164.720862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.720862][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.720862][   T10]      netlink_unicast+0x449/0x710
[ 6164.720862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.720862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.720862][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.720862][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.720862][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.720862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.720862][   T10] 
[ 6164.722755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.722755][   T10]      dst_init+0x84/0x4a0
[ 6164.722755][   T10]      dst_alloc+0x97/0x150
[ 6164.722755][   T10]      ip6_dst_alloc+0x23/0x90
[ 6164.722755][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6164.722755][   T10]      ip6_pol_route+0x56f/0x840
[ 6164.722755][   T10]      fib6_rule_lookup+0x456/0x630
[ 6164.722755][   T10]      ip6_route_input+0x59c/0xa50
[ 6164.722755][   T10]      ipv6_rcv+0x397/0x810
[ 6164.722755][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6164.722755][   T10]      process_backlog+0x101/0x620
[ 6164.722755][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6164.722755][   T10]      net_rx_action+0x495/0xbe0
[ 6164.722755][   T10]      __do_softirq+0x1b5/0x7f6
[ 6164.722755][   T10] 
[ 6164.724407][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.724407][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.724407][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.724407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.724407][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6164.724407][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6164.724407][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6164.724407][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6164.724407][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6164.724407][   T10]      addrconf_dad_begin+0x310/0x670
[ 6164.724407][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6164.724407][   T10]      process_one_work+0x84d/0x18a0
[ 6164.724407][   T10]      worker_thread+0x587/0xd30
[ 6164.724407][   T10]      kthread+0x28a/0x350
[ 6164.724407][   T10]      ret_from_fork+0x31/0x70
[ 6164.724407][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6164.724407][   T10] 
[ 6164.726332][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.726332][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.726332][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.726332][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.726332][   T10]      ip6_route_add+0x1c/0x140
[ 6164.726332][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6164.726332][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6164.726332][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.726332][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.726332][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.726332][   T10]      netlink_unicast+0x449/0x710
[ 6164.726332][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.726332][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.726332][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.726332][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.726332][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.726332][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.726332][   T10] 
[ 6164.728360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.728360][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.728360][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.728360][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.728360][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6164.728360][   T10]      ipv6_add_addr+0x411/0x2000
[ 6164.728360][   T10]      inet6_addr_add+0x30e/0xa40
[ 6164.728360][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.728360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.728360][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.728360][   T10]      netlink_unicast+0x449/0x710
[ 6164.728360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.728360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.728360][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.728360][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.728360][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.728360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.728360][   T10] 
[ 6164.730375][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.730375][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.730375][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.730375][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.730375][   T10]      ip6_route_add+0x1c/0x140
[ 6164.730375][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6164.730375][   T10]      addrconf_add_dev+0xe2/0x170
[ 6164.730375][   T10]      inet6_addr_add+0x12f/0xa40
[ 6164.730375][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.730375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.730375][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.730375][   T10]      netlink_unicast+0x449/0x710
[ 6164.730375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.730375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.730375][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.730375][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.730375][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.730375][   T10] 
[ 6164.732542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.732542][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6164.732542][   T10]      ipv6_find_idev+0x102/0x170
[ 6164.732542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6164.732542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.732542][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.732542][   T10]      netlink_unicast+0x449/0x710
[ 6164.732542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.732542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.732542][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.732542][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.732542][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.732542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.732542][   T10] 
[ 6164.734275][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6164.734275][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6164.734275][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6164.734275][   T10]      ipv6_find_idev+0x102/0x170
[ 6164.734275][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6164.734275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.734275][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.734275][   T10]      netlink_unicast+0x449/0x710
[ 6164.734275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.734275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.734275][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.734275][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.734275][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.734275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.734275][   T10] 
[ 6164.736221][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6164.736462][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6164.736462][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.736462][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.736462][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.736462][   T10]      ip6_route_add+0x1c/0x140
[ 6164.736462][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6164.736462][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6164.736462][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.736462][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.736462][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.736462][   T10]      netlink_unicast+0x449/0x710
[ 6164.736462][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.736462][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.736462][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.736462][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.736462][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.736462][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.736462][   T10] 
[ 6164.738727][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6164.738727][   T10]      netdev_get_by_index+0x5e/0x80
[ 6164.738727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6164.738727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6164.738727][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6164.738727][   T10]      ipv6_add_addr+0x411/0x2000
[ 6164.738727][   T10]      inet6_addr_add+0x30e/0xa40
[ 6164.738727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6164.738727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.738727][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.738727][   T10]      netlink_unicast+0x449/0x710
[ 6164.738727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.738727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.738727][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.738727][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.738727][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.738727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.738727][   T10] 
[ 6164.740984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6164.740984][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6164.740984][   T10]      ipv6_find_idev+0x102/0x170
[ 6164.740984][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6164.740984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.740984][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.740984][   T10]      netlink_unicast+0x449/0x710
[ 6164.740984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.740984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.740984][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.740984][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.740984][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.740984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.740984][   T10] 
[ 6164.742726][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6164.742726][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6164.742726][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6164.742726][   T10]      ipv6_find_idev+0x102/0x170
[ 6164.742726][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6164.742726][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6164.742726][   T10]      netlink_rcv_skb+0x130/0x360
[ 6164.742726][   T10]      netlink_unicast+0x449/0x710
[ 6164.742726][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6164.742726][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6164.742726][   T10]      ___sys_sendmsg+0xee/0x170
[ 6164.742726][   T10]      __sys_sendmsg+0xcd/0x170
[ 6164.742726][   T10]      do_syscall_64+0xc6/0x1e0
[ 6164.742726][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6164.742726][   T10] 
[ 6174.776825][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6174.777452][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.777452][   T10]      dst_init+0x84/0x4a0
[ 6174.777452][   T10]      dst_alloc+0x97/0x150
[ 6174.777452][   T10]      ip6_dst_alloc+0x23/0x90
[ 6174.777452][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6174.777452][   T10]      ip6_pol_route+0x56f/0x840
[ 6174.777452][   T10]      fib6_rule_lookup+0x456/0x630
[ 6174.777452][   T10]      ip6_route_input+0x59c/0xa50
[ 6174.777452][   T10]      ipv6_rcv+0x397/0x810
[ 6174.777452][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6174.777452][   T10]      process_backlog+0x101/0x620
[ 6174.777452][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6174.777452][   T10]      net_rx_action+0x495/0xbe0
[ 6174.777452][   T10]      __do_softirq+0x1b5/0x7f6
[ 6174.777452][   T10] 
[ 6174.779138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.779138][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6174.779138][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6174.779138][   T10]      fib6_nh_init+0xa22/0x1580
[ 6174.779138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.779138][   T10]      ip6_route_add+0x1c/0x140
[ 6174.779138][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6174.779138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.779138][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.779138][   T10]      netlink_unicast+0x449/0x710
[ 6174.779138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.779138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.779138][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.779138][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.779138][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.779138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.779138][   T10] 
[ 6174.781057][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.781057][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.781057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.781057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.781057][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6174.781057][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6174.781057][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6174.781057][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6174.781057][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6174.781057][   T10]      addrconf_dad_begin+0x310/0x670
[ 6174.781057][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6174.781057][   T10]      process_one_work+0x84d/0x18a0
[ 6174.781057][   T10]      worker_thread+0x587/0xd30
[ 6174.781057][   T10]      kthread+0x28a/0x350
[ 6174.781057][   T10]      ret_from_fork+0x31/0x70
[ 6174.781057][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6174.781057][   T10] 
[ 6174.782998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.782998][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.782998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.782998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.782998][   T10]      ip6_route_add+0x1c/0x140
[ 6174.782998][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6174.782998][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6174.782998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.782998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.782998][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.782998][   T10]      netlink_unicast+0x449/0x710
[ 6174.782998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.782998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.782998][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.782998][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.782998][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.782998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.782998][   T10] 
[ 6174.785113][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.785113][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.785113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.785113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.785113][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6174.785113][   T10]      ipv6_add_addr+0x411/0x2000
[ 6174.785113][   T10]      inet6_addr_add+0x30e/0xa40
[ 6174.785113][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.785113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.785113][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.785113][   T10]      netlink_unicast+0x449/0x710
[ 6174.785113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.785113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.785113][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.785113][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.785113][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.785113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.785113][   T10] 
[ 6174.787150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.787150][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.787150][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.787150][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.787150][   T10]      ip6_route_add+0x1c/0x140
[ 6174.787150][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6174.787150][   T10]      addrconf_add_dev+0xe2/0x170
[ 6174.787150][   T10]      inet6_addr_add+0x12f/0xa40
[ 6174.787150][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.787150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.787150][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.787150][   T10]      netlink_unicast+0x449/0x710
[ 6174.787150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.787150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.787150][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.787150][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.787150][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.787150][   T10] 
[ 6174.789144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.789144][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6174.789144][   T10]      ipv6_find_idev+0x102/0x170
[ 6174.789144][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6174.789144][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.789144][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.789144][   T10]      netlink_unicast+0x449/0x710
[ 6174.789144][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.789144][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.789144][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.789144][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.789144][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.789144][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.789144][   T10] 
[ 6174.790707][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6174.790707][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6174.790707][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6174.790707][   T10]      ipv6_find_idev+0x102/0x170
[ 6174.790707][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6174.790707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.790707][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.790707][   T10]      netlink_unicast+0x449/0x710
[ 6174.790707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.790707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.790707][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.790707][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.790707][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.790707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.790707][   T10] 
[ 6174.792449][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6174.792710][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.792710][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6174.792710][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6174.792710][   T10]      fib6_nh_init+0xa22/0x1580
[ 6174.792710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.792710][   T10]      ip6_route_add+0x1c/0x140
[ 6174.792710][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6174.792710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.792710][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.792710][   T10]      netlink_unicast+0x449/0x710
[ 6174.792710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.792710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.792710][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.792710][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.792710][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.792710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.792710][   T10] 
[ 6174.794610][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.794610][   T10]      dst_init+0x84/0x4a0
[ 6174.794610][   T10]      dst_alloc+0x97/0x150
[ 6174.794610][   T10]      ip6_dst_alloc+0x23/0x90
[ 6174.794610][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6174.794610][   T10]      ip6_pol_route+0x56f/0x840
[ 6174.794610][   T10]      fib6_rule_lookup+0x456/0x630
[ 6174.794610][   T10]      ip6_route_input+0x59c/0xa50
[ 6174.794610][   T10]      ipv6_rcv+0x397/0x810
[ 6174.794610][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6174.794610][   T10]      process_backlog+0x101/0x620
[ 6174.794610][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6174.794610][   T10]      net_rx_action+0x495/0xbe0
[ 6174.794610][   T10]      __do_softirq+0x1b5/0x7f6
[ 6174.794610][   T10] 
[ 6174.796264][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.796264][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.796264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.796264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.796264][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6174.796264][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6174.796264][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6174.796264][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6174.796264][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6174.796264][   T10]      addrconf_dad_begin+0x310/0x670
[ 6174.796264][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6174.796264][   T10]      process_one_work+0x84d/0x18a0
[ 6174.796264][   T10]      worker_thread+0x587/0xd30
[ 6174.796264][   T10]      kthread+0x28a/0x350
[ 6174.796264][   T10]      ret_from_fork+0x31/0x70
[ 6174.796264][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6174.796264][   T10] 
[ 6174.798202][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.798202][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.798202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.798202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.798202][   T10]      ip6_route_add+0x1c/0x140
[ 6174.798202][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6174.798202][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6174.798202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.798202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.798202][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.798202][   T10]      netlink_unicast+0x449/0x710
[ 6174.798202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.798202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.798202][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.798202][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.798202][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.798202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.798202][   T10] 
[ 6174.800237][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.800237][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.800237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.800237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.800237][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6174.800237][   T10]      ipv6_add_addr+0x411/0x2000
[ 6174.800237][   T10]      inet6_addr_add+0x30e/0xa40
[ 6174.800237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.800237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.800237][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.800237][   T10]      netlink_unicast+0x449/0x710
[ 6174.800237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.800237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.800237][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.800237][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.800237][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.800237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.800237][   T10] 
[ 6174.802264][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.802264][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.802264][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.802264][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.802264][   T10]      ip6_route_add+0x1c/0x140
[ 6174.802264][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6174.802264][   T10]      addrconf_add_dev+0xe2/0x170
[ 6174.802264][   T10]      inet6_addr_add+0x12f/0xa40
[ 6174.802264][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.802264][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.802264][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.802264][   T10]      netlink_unicast+0x449/0x710
[ 6174.802264][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.802264][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.802264][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.802264][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.802264][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.802264][   T10] 
[ 6174.804455][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.804455][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6174.804455][   T10]      ipv6_find_idev+0x102/0x170
[ 6174.804455][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6174.804455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.804455][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.804455][   T10]      netlink_unicast+0x449/0x710
[ 6174.804455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.804455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.804455][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.804455][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.804455][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.804455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.804455][   T10] 
[ 6174.806266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6174.806266][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6174.806266][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6174.806266][   T10]      ipv6_find_idev+0x102/0x170
[ 6174.806266][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6174.806266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.806266][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.806266][   T10]      netlink_unicast+0x449/0x710
[ 6174.806266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.806266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.806266][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.806266][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.806266][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.806266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.806266][   T10] 
[ 6174.808172][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6174.808415][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6174.808415][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.808415][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.808415][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.808415][   T10]      ip6_route_add+0x1c/0x140
[ 6174.808415][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6174.808415][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6174.808415][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.808415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.808415][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.808415][   T10]      netlink_unicast+0x449/0x710
[ 6174.808415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.808415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.808415][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.808415][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.808415][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.808415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.808415][   T10] 
[ 6174.810692][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6174.810692][   T10]      netdev_get_by_index+0x5e/0x80
[ 6174.810692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6174.810692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6174.810692][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6174.810692][   T10]      ipv6_add_addr+0x411/0x2000
[ 6174.810692][   T10]      inet6_addr_add+0x30e/0xa40
[ 6174.810692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6174.810692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.810692][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.810692][   T10]      netlink_unicast+0x449/0x710
[ 6174.810692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.810692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.810692][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.810692][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.810692][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.810692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.810692][   T10] 
[ 6174.812959][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6174.812959][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6174.812959][   T10]      ipv6_find_idev+0x102/0x170
[ 6174.812959][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6174.812959][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.812959][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.812959][   T10]      netlink_unicast+0x449/0x710
[ 6174.812959][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.812959][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.812959][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.812959][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.812959][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.812959][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.812959][   T10] 
[ 6174.814774][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6174.814774][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6174.814774][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6174.814774][   T10]      ipv6_find_idev+0x102/0x170
[ 6174.814774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6174.814774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6174.814774][   T10]      netlink_rcv_skb+0x130/0x360
[ 6174.814774][   T10]      netlink_unicast+0x449/0x710
[ 6174.814774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6174.814774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6174.814774][   T10]      ___sys_sendmsg+0xee/0x170
[ 6174.814774][   T10]      __sys_sendmsg+0xcd/0x170
[ 6174.814774][   T10]      do_syscall_64+0xc6/0x1e0
[ 6174.814774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6174.814774][   T10] 
[ 6185.056715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6185.057180][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.057180][   T10]      dst_init+0x84/0x4a0
[ 6185.057180][   T10]      dst_alloc+0x97/0x150
[ 6185.057180][   T10]      ip6_dst_alloc+0x23/0x90
[ 6185.057180][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6185.057180][   T10]      ip6_pol_route+0x56f/0x840
[ 6185.057180][   T10]      fib6_rule_lookup+0x456/0x630
[ 6185.057180][   T10]      ip6_route_input+0x59c/0xa50
[ 6185.057180][   T10]      ipv6_rcv+0x397/0x810
[ 6185.057180][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6185.057180][   T10]      process_backlog+0x101/0x620
[ 6185.057180][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6185.057180][   T10]      net_rx_action+0x495/0xbe0
[ 6185.057180][   T10]      __do_softirq+0x1b5/0x7f6
[ 6185.057180][   T10] 
[ 6185.058898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.058898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6185.058898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6185.058898][   T10]      fib6_nh_init+0xa22/0x1580
[ 6185.058898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.058898][   T10]      ip6_route_add+0x1c/0x140
[ 6185.058898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6185.058898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.058898][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.058898][   T10]      netlink_unicast+0x449/0x710
[ 6185.058898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.058898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.058898][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.058898][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.058898][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.058898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.058898][   T10] 
[ 6185.060817][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.060817][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.060817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.060817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.060817][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6185.060817][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6185.060817][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6185.060817][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6185.060817][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6185.060817][   T10]      addrconf_dad_begin+0x310/0x670
[ 6185.060817][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6185.060817][   T10]      process_one_work+0x84d/0x18a0
[ 6185.060817][   T10]      worker_thread+0x587/0xd30
[ 6185.060817][   T10]      kthread+0x28a/0x350
[ 6185.060817][   T10]      ret_from_fork+0x31/0x70
[ 6185.060817][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6185.060817][   T10] 
[ 6185.062755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.062755][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.062755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.062755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.062755][   T10]      ip6_route_add+0x1c/0x140
[ 6185.062755][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6185.062755][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6185.062755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.062755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.062755][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.062755][   T10]      netlink_unicast+0x449/0x710
[ 6185.062755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.062755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.062755][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.062755][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.062755][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.062755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.062755][   T10] 
[ 6185.064782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.064782][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.064782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.064782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.064782][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6185.064782][   T10]      ipv6_add_addr+0x411/0x2000
[ 6185.064782][   T10]      inet6_addr_add+0x30e/0xa40
[ 6185.064782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.064782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.064782][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.064782][   T10]      netlink_unicast+0x449/0x710
[ 6185.064782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.064782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.064782][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.064782][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.064782][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.064782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.064782][   T10] 
[ 6185.066818][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.066818][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.066818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.066818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.066818][   T10]      ip6_route_add+0x1c/0x140
[ 6185.066818][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6185.066818][   T10]      addrconf_add_dev+0xe2/0x170
[ 6185.066818][   T10]      inet6_addr_add+0x12f/0xa40
[ 6185.066818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.066818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.066818][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.066818][   T10]      netlink_unicast+0x449/0x710
[ 6185.066818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.066818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.066818][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.066818][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.066818][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.066818][   T10] 
[ 6185.068889][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.068889][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6185.068889][   T10]      ipv6_find_idev+0x102/0x170
[ 6185.068889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6185.068889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.068889][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.068889][   T10]      netlink_unicast+0x449/0x710
[ 6185.068889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.068889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.068889][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.068889][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.068889][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.068889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.068889][   T10] 
[ 6185.070448][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6185.070448][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6185.070448][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6185.070448][   T10]      ipv6_find_idev+0x102/0x170
[ 6185.070448][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6185.070448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.070448][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.070448][   T10]      netlink_unicast+0x449/0x710
[ 6185.070448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.070448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.070448][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.070448][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.070448][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.070448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.070448][   T10] 
[ 6185.072184][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6185.072434][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.072434][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6185.072434][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6185.072434][   T10]      fib6_nh_init+0xa22/0x1580
[ 6185.072434][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.072434][   T10]      ip6_route_add+0x1c/0x140
[ 6185.072434][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6185.072434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.072434][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.072434][   T10]      netlink_unicast+0x449/0x710
[ 6185.072434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.072434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.072434][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.072434][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.072434][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.072434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.072434][   T10] 
[ 6185.074342][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.074342][   T10]      dst_init+0x84/0x4a0
[ 6185.074342][   T10]      dst_alloc+0x97/0x150
[ 6185.074342][   T10]      ip6_dst_alloc+0x23/0x90
[ 6185.074342][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6185.074342][   T10]      ip6_pol_route+0x56f/0x840
[ 6185.074342][   T10]      fib6_rule_lookup+0x456/0x630
[ 6185.074342][   T10]      ip6_route_input+0x59c/0xa50
[ 6185.074342][   T10]      ipv6_rcv+0x397/0x810
[ 6185.074342][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6185.074342][   T10]      process_backlog+0x101/0x620
[ 6185.074342][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6185.074342][   T10]      net_rx_action+0x495/0xbe0
[ 6185.074342][   T10]      __do_softirq+0x1b5/0x7f6
[ 6185.074342][   T10] 
[ 6185.075998][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.075998][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.075998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.075998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.075998][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6185.075998][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6185.075998][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6185.075998][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6185.075998][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6185.075998][   T10]      addrconf_dad_begin+0x310/0x670
[ 6185.075998][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6185.075998][   T10]      process_one_work+0x84d/0x18a0
[ 6185.075998][   T10]      worker_thread+0x587/0xd30
[ 6185.075998][   T10]      kthread+0x28a/0x350
[ 6185.075998][   T10]      ret_from_fork+0x31/0x70
[ 6185.075998][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6185.075998][   T10] 
[ 6185.077934][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.077934][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.077934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.077934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.077934][   T10]      ip6_route_add+0x1c/0x140
[ 6185.077934][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6185.077934][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6185.077934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.077934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.077934][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.077934][   T10]      netlink_unicast+0x449/0x710
[ 6185.077934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.077934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.077934][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.077934][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.077934][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.077934][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.077934][   T10] 
[ 6185.079956][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.079956][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.079956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.079956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.079956][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6185.079956][   T10]      ipv6_add_addr+0x411/0x2000
[ 6185.079956][   T10]      inet6_addr_add+0x30e/0xa40
[ 6185.079956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.079956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.079956][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.079956][   T10]      netlink_unicast+0x449/0x710
[ 6185.079956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.079956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.079956][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.079956][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.079956][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.079956][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.079956][   T10] 
[ 6185.081979][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.081979][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.081979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.081979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.081979][   T10]      ip6_route_add+0x1c/0x140
[ 6185.081979][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6185.081979][   T10]      addrconf_add_dev+0xe2/0x170
[ 6185.081979][   T10]      inet6_addr_add+0x12f/0xa40
[ 6185.081979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.081979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.081979][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.081979][   T10]      netlink_unicast+0x449/0x710
[ 6185.081979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.081979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.081979][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.081979][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.081979][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.081979][   T10] 
[ 6185.084150][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.084150][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6185.084150][   T10]      ipv6_find_idev+0x102/0x170
[ 6185.084150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6185.084150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.084150][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.084150][   T10]      netlink_unicast+0x449/0x710
[ 6185.084150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.084150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.084150][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.084150][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.084150][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.084150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.084150][   T10] 
[ 6185.085889][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6185.085889][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6185.085889][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6185.085889][   T10]      ipv6_find_idev+0x102/0x170
[ 6185.085889][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6185.085889][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.085889][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.085889][   T10]      netlink_unicast+0x449/0x710
[ 6185.085889][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.085889][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.085889][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.085889][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.085889][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.085889][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.085889][   T10] 
[ 6185.087968][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6185.088215][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6185.088215][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.088215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.088215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.088215][   T10]      ip6_route_add+0x1c/0x140
[ 6185.088215][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6185.088215][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6185.088215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.088215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.088215][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.088215][   T10]      netlink_unicast+0x449/0x710
[ 6185.088215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.088215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.088215][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.088215][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.088215][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.088215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.088215][   T10] 
[ 6185.090485][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6185.090485][   T10]      netdev_get_by_index+0x5e/0x80
[ 6185.090485][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6185.090485][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6185.090485][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6185.090485][   T10]      ipv6_add_addr+0x411/0x2000
[ 6185.090485][   T10]      inet6_addr_add+0x30e/0xa40
[ 6185.090485][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6185.090485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.090485][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.090485][   T10]      netlink_unicast+0x449/0x710
[ 6185.090485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.090485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.090485][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.090485][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.090485][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.090485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.090485][   T10] 
[ 6185.092757][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6185.092757][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6185.092757][   T10]      ipv6_find_idev+0x102/0x170
[ 6185.092757][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6185.092757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.092757][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.092757][   T10]      netlink_unicast+0x449/0x710
[ 6185.092757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.092757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.092757][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.092757][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.092757][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.092757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.092757][   T10] 
[ 6185.094499][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6185.094499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6185.094499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6185.094499][   T10]      ipv6_find_idev+0x102/0x170
[ 6185.094499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6185.094499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6185.094499][   T10]      netlink_rcv_skb+0x130/0x360
[ 6185.094499][   T10]      netlink_unicast+0x449/0x710
[ 6185.094499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6185.094499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6185.094499][   T10]      ___sys_sendmsg+0xee/0x170
[ 6185.094499][   T10]      __sys_sendmsg+0xcd/0x170
[ 6185.094499][   T10]      do_syscall_64+0xc6/0x1e0
[ 6185.094499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6185.094499][   T10] 
[ 6195.128767][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6195.129511][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.129511][   T10]      dst_init+0x84/0x4a0
[ 6195.129511][   T10]      dst_alloc+0x97/0x150
[ 6195.129511][   T10]      ip6_dst_alloc+0x23/0x90
[ 6195.129511][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6195.129511][   T10]      ip6_pol_route+0x56f/0x840
[ 6195.129511][   T10]      fib6_rule_lookup+0x456/0x630
[ 6195.129511][   T10]      ip6_route_input+0x59c/0xa50
[ 6195.129511][   T10]      ipv6_rcv+0x397/0x810
[ 6195.129511][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6195.129511][   T10]      process_backlog+0x101/0x620
[ 6195.129511][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6195.129511][   T10]      net_rx_action+0x495/0xbe0
[ 6195.129511][   T10]      __do_softirq+0x1b5/0x7f6
[ 6195.129511][   T10] 
[ 6195.131099][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.131099][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6195.131099][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6195.131099][   T10]      fib6_nh_init+0xa22/0x1580
[ 6195.131099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.131099][   T10]      ip6_route_add+0x1c/0x140
[ 6195.131099][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6195.131099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.131099][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.131099][   T10]      netlink_unicast+0x449/0x710
[ 6195.131099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.131099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.131099][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.131099][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.131099][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.131099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.131099][   T10] 
[ 6195.133057][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.133057][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.133057][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.133057][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.133057][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6195.133057][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6195.133057][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6195.133057][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6195.133057][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6195.133057][   T10]      addrconf_dad_begin+0x310/0x670
[ 6195.133057][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6195.133057][   T10]      process_one_work+0x84d/0x18a0
[ 6195.133057][   T10]      worker_thread+0x587/0xd30
[ 6195.133057][   T10]      kthread+0x28a/0x350
[ 6195.133057][   T10]      ret_from_fork+0x31/0x70
[ 6195.133057][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6195.133057][   T10] 
[ 6195.134919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.134919][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.134919][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.134919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.134919][   T10]      ip6_route_add+0x1c/0x140
[ 6195.134919][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6195.134919][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6195.134919][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.134919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.134919][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.134919][   T10]      netlink_unicast+0x449/0x710
[ 6195.134919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.134919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.134919][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.134919][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.134919][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.134919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.134919][   T10] 
[ 6195.136847][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.136847][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.136847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.136847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.136847][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6195.136847][   T10]      ipv6_add_addr+0x411/0x2000
[ 6195.136847][   T10]      inet6_addr_add+0x30e/0xa40
[ 6195.136847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.136847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.136847][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.136847][   T10]      netlink_unicast+0x449/0x710
[ 6195.136847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.136847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.136847][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.136847][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.136847][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.136847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.136847][   T10] 
[ 6195.138873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.138873][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.138873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.138873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.138873][   T10]      ip6_route_add+0x1c/0x140
[ 6195.138873][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6195.138873][   T10]      addrconf_add_dev+0xe2/0x170
[ 6195.138873][   T10]      inet6_addr_add+0x12f/0xa40
[ 6195.138873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.138873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.138873][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.138873][   T10]      netlink_unicast+0x449/0x710
[ 6195.138873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.138873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.138873][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.138873][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.138873][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.138873][   T10] 
[ 6195.140820][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.140820][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6195.140820][   T10]      ipv6_find_idev+0x102/0x170
[ 6195.140820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6195.140820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.140820][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.140820][   T10]      netlink_unicast+0x449/0x710
[ 6195.140820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.140820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.140820][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.140820][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.140820][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.140820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.140820][   T10] 
[ 6195.142392][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6195.142392][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6195.142392][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6195.142392][   T10]      ipv6_find_idev+0x102/0x170
[ 6195.142392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6195.142392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.142392][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.142392][   T10]      netlink_unicast+0x449/0x710
[ 6195.142392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.142392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.142392][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.142392][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.142392][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.142392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.142392][   T10] 
[ 6195.144128][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6195.144367][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.144367][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6195.144367][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6195.144367][   T10]      fib6_nh_init+0xa22/0x1580
[ 6195.144367][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.144367][   T10]      ip6_route_add+0x1c/0x140
[ 6195.144367][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6195.144367][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.144367][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.144367][   T10]      netlink_unicast+0x449/0x710
[ 6195.144367][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.144367][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.144367][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.144367][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.144367][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.144367][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.144367][   T10] 
[ 6195.146230][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.146230][   T10]      dst_init+0x84/0x4a0
[ 6195.146230][   T10]      dst_alloc+0x97/0x150
[ 6195.146230][   T10]      ip6_dst_alloc+0x23/0x90
[ 6195.146230][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6195.146230][   T10]      ip6_pol_route+0x56f/0x840
[ 6195.146230][   T10]      fib6_rule_lookup+0x456/0x630
[ 6195.146230][   T10]      ip6_route_input+0x59c/0xa50
[ 6195.146230][   T10]      ipv6_rcv+0x397/0x810
[ 6195.146230][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6195.146230][   T10]      process_backlog+0x101/0x620
[ 6195.146230][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6195.146230][   T10]      net_rx_action+0x495/0xbe0
[ 6195.146230][   T10]      __do_softirq+0x1b5/0x7f6
[ 6195.146230][   T10] 
[ 6195.147936][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.147936][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.147936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.147936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.147936][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6195.147936][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6195.147936][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6195.147936][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6195.147936][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6195.147936][   T10]      addrconf_dad_begin+0x310/0x670
[ 6195.147936][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6195.147936][   T10]      process_one_work+0x84d/0x18a0
[ 6195.147936][   T10]      worker_thread+0x587/0xd30
[ 6195.147936][   T10]      kthread+0x28a/0x350
[ 6195.147936][   T10]      ret_from_fork+0x31/0x70
[ 6195.147936][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6195.147936][   T10] 
[ 6195.149893][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.149893][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.149893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.149893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.149893][   T10]      ip6_route_add+0x1c/0x140
[ 6195.149893][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6195.149893][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6195.149893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.149893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.149893][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.149893][   T10]      netlink_unicast+0x449/0x710
[ 6195.149893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.149893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.149893][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.149893][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.149893][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.149893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.149893][   T10] 
[ 6195.151912][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.151912][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.151912][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.151912][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.151912][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6195.151912][   T10]      ipv6_add_addr+0x411/0x2000
[ 6195.151912][   T10]      inet6_addr_add+0x30e/0xa40
[ 6195.151912][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.151912][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.151912][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.151912][   T10]      netlink_unicast+0x449/0x710
[ 6195.151912][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.151912][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.151912][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.151912][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.151912][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.151912][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.151912][   T10] 
[ 6195.153945][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.153945][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.153945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.153945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.153945][   T10]      ip6_route_add+0x1c/0x140
[ 6195.153945][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6195.153945][   T10]      addrconf_add_dev+0xe2/0x170
[ 6195.153945][   T10]      inet6_addr_add+0x12f/0xa40
[ 6195.153945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.153945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.153945][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.153945][   T10]      netlink_unicast+0x449/0x710
[ 6195.153945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.153945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.153945][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.153945][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.153945][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.153945][   T10] 
[ 6195.156113][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.156113][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6195.156113][   T10]      ipv6_find_idev+0x102/0x170
[ 6195.156113][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6195.156113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.156113][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.156113][   T10]      netlink_unicast+0x449/0x710
[ 6195.156113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.156113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.156113][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.156113][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.156113][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.156113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.156113][   T10] 
[ 6195.157927][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6195.157927][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6195.157927][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6195.157927][   T10]      ipv6_find_idev+0x102/0x170
[ 6195.157927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6195.157927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.157927][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.157927][   T10]      netlink_unicast+0x449/0x710
[ 6195.157927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.157927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.157927][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.157927][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.157927][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.157927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.157927][   T10] 
[ 6195.159833][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6195.160077][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6195.160077][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.160077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.160077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.160077][   T10]      ip6_route_add+0x1c/0x140
[ 6195.160077][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6195.160077][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6195.160077][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.160077][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.160077][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.160077][   T10]      netlink_unicast+0x449/0x710
[ 6195.160077][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.160077][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.160077][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.160077][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.160077][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.160077][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.160077][   T10] 
[ 6195.162322][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6195.162322][   T10]      netdev_get_by_index+0x5e/0x80
[ 6195.162322][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6195.162322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6195.162322][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6195.162322][   T10]      ipv6_add_addr+0x411/0x2000
[ 6195.162322][   T10]      inet6_addr_add+0x30e/0xa40
[ 6195.162322][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6195.162322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.162322][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.162322][   T10]      netlink_unicast+0x449/0x710
[ 6195.162322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.162322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.162322][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.162322][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.162322][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.162322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.162322][   T10] 
[ 6195.164527][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6195.164527][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6195.164527][   T10]      ipv6_find_idev+0x102/0x170
[ 6195.164527][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6195.164527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.164527][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.164527][   T10]      netlink_unicast+0x449/0x710
[ 6195.164527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.164527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.164527][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.164527][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.164527][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.164527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.164527][   T10] 
[ 6195.166281][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6195.166281][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6195.166281][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6195.166281][   T10]      ipv6_find_idev+0x102/0x170
[ 6195.166281][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6195.166281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6195.166281][   T10]      netlink_rcv_skb+0x130/0x360
[ 6195.166281][   T10]      netlink_unicast+0x449/0x710
[ 6195.166281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6195.166281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6195.166281][   T10]      ___sys_sendmsg+0xee/0x170
[ 6195.166281][   T10]      __sys_sendmsg+0xcd/0x170
[ 6195.166281][   T10]      do_syscall_64+0xc6/0x1e0
[ 6195.166281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6195.166281][   T10] 
[ 6205.408723][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6205.409194][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.409194][   T10]      dst_init+0x84/0x4a0
[ 6205.409194][   T10]      dst_alloc+0x97/0x150
[ 6205.409194][   T10]      ip6_dst_alloc+0x23/0x90
[ 6205.409194][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6205.409194][   T10]      ip6_pol_route+0x56f/0x840
[ 6205.409194][   T10]      fib6_rule_lookup+0x456/0x630
[ 6205.409194][   T10]      ip6_route_input+0x59c/0xa50
[ 6205.409194][   T10]      ipv6_rcv+0x397/0x810
[ 6205.409194][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6205.409194][   T10]      process_backlog+0x101/0x620
[ 6205.409194][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6205.409194][   T10]      net_rx_action+0x495/0xbe0
[ 6205.409194][   T10]      __do_softirq+0x1b5/0x7f6
[ 6205.409194][   T10] 
[ 6205.410898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.410898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6205.410898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6205.410898][   T10]      fib6_nh_init+0xa22/0x1580
[ 6205.410898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.410898][   T10]      ip6_route_add+0x1c/0x140
[ 6205.410898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6205.410898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.410898][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.410898][   T10]      netlink_unicast+0x449/0x710
[ 6205.410898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.410898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.410898][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.410898][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.410898][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.410898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.410898][   T10] 
[ 6205.412821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.412821][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.412821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.412821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.412821][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6205.412821][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6205.412821][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6205.412821][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6205.412821][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6205.412821][   T10]      addrconf_dad_begin+0x310/0x670
[ 6205.412821][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6205.412821][   T10]      process_one_work+0x84d/0x18a0
[ 6205.412821][   T10]      worker_thread+0x587/0xd30
[ 6205.412821][   T10]      kthread+0x28a/0x350
[ 6205.412821][   T10]      ret_from_fork+0x31/0x70
[ 6205.412821][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6205.412821][   T10] 
[ 6205.414766][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.414766][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.414766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.414766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.414766][   T10]      ip6_route_add+0x1c/0x140
[ 6205.414766][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6205.414766][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6205.414766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.414766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.414766][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.414766][   T10]      netlink_unicast+0x449/0x710
[ 6205.414766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.414766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.414766][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.414766][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.414766][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.414766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.414766][   T10] 
[ 6205.416816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.416816][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.416816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.416816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.416816][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6205.416816][   T10]      ipv6_add_addr+0x411/0x2000
[ 6205.416816][   T10]      inet6_addr_add+0x30e/0xa40
[ 6205.416816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.416816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.416816][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.416816][   T10]      netlink_unicast+0x449/0x710
[ 6205.416816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.416816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.416816][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.416816][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.416816][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.416816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.416816][   T10] 
[ 6205.418862][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.418862][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.418862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.418862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.418862][   T10]      ip6_route_add+0x1c/0x140
[ 6205.418862][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6205.418862][   T10]      addrconf_add_dev+0xe2/0x170
[ 6205.418862][   T10]      inet6_addr_add+0x12f/0xa40
[ 6205.418862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.418862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.418862][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.418862][   T10]      netlink_unicast+0x449/0x710
[ 6205.418862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.418862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.418862][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.418862][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.418862][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.418862][   T10] 
[ 6205.420852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.420852][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6205.420852][   T10]      ipv6_find_idev+0x102/0x170
[ 6205.420852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6205.420852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.420852][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.420852][   T10]      netlink_unicast+0x449/0x710
[ 6205.420852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.420852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.420852][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.420852][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.420852][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.420852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.420852][   T10] 
[ 6205.422416][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6205.422416][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6205.422416][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6205.422416][   T10]      ipv6_find_idev+0x102/0x170
[ 6205.422416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6205.422416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.422416][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.422416][   T10]      netlink_unicast+0x449/0x710
[ 6205.422416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.422416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.422416][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.422416][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.422416][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.422416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.422416][   T10] 
[ 6205.424163][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6205.424411][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.424411][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6205.424411][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6205.424411][   T10]      fib6_nh_init+0xa22/0x1580
[ 6205.424411][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.424411][   T10]      ip6_route_add+0x1c/0x140
[ 6205.424411][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6205.424411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.424411][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.424411][   T10]      netlink_unicast+0x449/0x710
[ 6205.424411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.424411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.424411][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.424411][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.424411][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.424411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.424411][   T10] 
[ 6205.426864][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.426864][   T10]      dst_init+0x84/0x4a0
[ 6205.426864][   T10]      dst_alloc+0x97/0x150
[ 6205.426864][   T10]      ip6_dst_alloc+0x23/0x90
[ 6205.426864][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6205.426864][   T10]      ip6_pol_route+0x56f/0x840
[ 6205.426864][   T10]      fib6_rule_lookup+0x456/0x630
[ 6205.426864][   T10]      ip6_route_input+0x59c/0xa50
[ 6205.426864][   T10]      ipv6_rcv+0x397/0x810
[ 6205.426864][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6205.426864][   T10]      process_backlog+0x101/0x620
[ 6205.426864][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6205.426864][   T10]      net_rx_action+0x495/0xbe0
[ 6205.426864][   T10]      __do_softirq+0x1b5/0x7f6
[ 6205.426864][   T10] 
[ 6205.428530][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.428530][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.428530][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.428530][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.428530][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6205.428530][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6205.428530][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6205.428530][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6205.428530][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6205.428530][   T10]      addrconf_dad_begin+0x310/0x670
[ 6205.428530][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6205.428530][   T10]      process_one_work+0x84d/0x18a0
[ 6205.428530][   T10]      worker_thread+0x587/0xd30
[ 6205.428530][   T10]      kthread+0x28a/0x350
[ 6205.428530][   T10]      ret_from_fork+0x31/0x70
[ 6205.428530][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6205.428530][   T10] 
[ 6205.430464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.430464][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.430464][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.430464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.430464][   T10]      ip6_route_add+0x1c/0x140
[ 6205.430464][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6205.430464][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6205.430464][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.430464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.430464][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.430464][   T10]      netlink_unicast+0x449/0x710
[ 6205.430464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.430464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.430464][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.430464][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.430464][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.430464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.430464][   T10] 
[ 6205.432490][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.432490][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.432490][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.432490][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.432490][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6205.432490][   T10]      ipv6_add_addr+0x411/0x2000
[ 6205.432490][   T10]      inet6_addr_add+0x30e/0xa40
[ 6205.432490][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.432490][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.432490][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.432490][   T10]      netlink_unicast+0x449/0x710
[ 6205.432490][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.432490][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.432490][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.432490][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.432490][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.432490][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.432490][   T10] 
[ 6205.434518][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.434518][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.434518][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.434518][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.434518][   T10]      ip6_route_add+0x1c/0x140
[ 6205.434518][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6205.434518][   T10]      addrconf_add_dev+0xe2/0x170
[ 6205.434518][   T10]      inet6_addr_add+0x12f/0xa40
[ 6205.434518][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.434518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.434518][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.434518][   T10]      netlink_unicast+0x449/0x710
[ 6205.434518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.434518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.434518][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.434518][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.434518][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.434518][   T10] 
[ 6205.436691][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.436691][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6205.436691][   T10]      ipv6_find_idev+0x102/0x170
[ 6205.436691][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6205.436691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.436691][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.436691][   T10]      netlink_unicast+0x449/0x710
[ 6205.436691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.436691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.436691][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.436691][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.436691][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.436691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.436691][   T10] 
[ 6205.438444][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6205.438444][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6205.438444][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6205.438444][   T10]      ipv6_find_idev+0x102/0x170
[ 6205.438444][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6205.438444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.438444][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.438444][   T10]      netlink_unicast+0x449/0x710
[ 6205.438444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.438444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.438444][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.438444][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.438444][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.438444][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.438444][   T10] 
[ 6205.440402][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6205.440672][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6205.440672][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.440672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.440672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.440672][   T10]      ip6_route_add+0x1c/0x140
[ 6205.440672][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6205.440672][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6205.440672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.440672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.440672][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.440672][   T10]      netlink_unicast+0x449/0x710
[ 6205.440672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.440672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.440672][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.440672][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.440672][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.440672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.440672][   T10] 
[ 6205.442941][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6205.442941][   T10]      netdev_get_by_index+0x5e/0x80
[ 6205.442941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6205.442941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6205.442941][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6205.442941][   T10]      ipv6_add_addr+0x411/0x2000
[ 6205.442941][   T10]      inet6_addr_add+0x30e/0xa40
[ 6205.442941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6205.442941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.442941][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.442941][   T10]      netlink_unicast+0x449/0x710
[ 6205.442941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.442941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.442941][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.442941][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.442941][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.442941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.442941][   T10] 
[ 6205.445205][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6205.445205][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6205.445205][   T10]      ipv6_find_idev+0x102/0x170
[ 6205.445205][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6205.445205][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.445205][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.445205][   T10]      netlink_unicast+0x449/0x710
[ 6205.445205][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.445205][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.445205][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.445205][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.445205][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.445205][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.445205][   T10] 
[ 6205.446944][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6205.446944][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6205.446944][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6205.446944][   T10]      ipv6_find_idev+0x102/0x170
[ 6205.446944][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6205.446944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6205.446944][   T10]      netlink_rcv_skb+0x130/0x360
[ 6205.446944][   T10]      netlink_unicast+0x449/0x710
[ 6205.446944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6205.446944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6205.446944][   T10]      ___sys_sendmsg+0xee/0x170
[ 6205.446944][   T10]      __sys_sendmsg+0xcd/0x170
[ 6205.446944][   T10]      do_syscall_64+0xc6/0x1e0
[ 6205.446944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6205.446944][   T10] 
[ 6215.504722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6215.505129][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.505129][   T10]      dst_init+0x84/0x4a0
[ 6215.505129][   T10]      dst_alloc+0x97/0x150
[ 6215.505129][   T10]      ip6_dst_alloc+0x23/0x90
[ 6215.505129][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6215.505129][   T10]      ip6_pol_route+0x56f/0x840
[ 6215.505129][   T10]      fib6_rule_lookup+0x456/0x630
[ 6215.505129][   T10]      ip6_route_input+0x59c/0xa50
[ 6215.505129][   T10]      ipv6_rcv+0x397/0x810
[ 6215.505129][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6215.505129][   T10]      process_backlog+0x101/0x620
[ 6215.505129][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6215.505129][   T10]      net_rx_action+0x495/0xbe0
[ 6215.505129][   T10]      __do_softirq+0x1b5/0x7f6
[ 6215.505129][   T10] 
[ 6215.506851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.506851][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6215.506851][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6215.506851][   T10]      fib6_nh_init+0xa22/0x1580
[ 6215.506851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.506851][   T10]      ip6_route_add+0x1c/0x140
[ 6215.506851][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6215.506851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.506851][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.506851][   T10]      netlink_unicast+0x449/0x710
[ 6215.506851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.506851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.506851][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.506851][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.506851][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.506851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.506851][   T10] 
[ 6215.508887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.508887][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.508887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.508887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.508887][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6215.508887][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6215.508887][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6215.508887][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6215.508887][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6215.508887][   T10]      addrconf_dad_begin+0x310/0x670
[ 6215.508887][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6215.508887][   T10]      process_one_work+0x84d/0x18a0
[ 6215.508887][   T10]      worker_thread+0x587/0xd30
[ 6215.508887][   T10]      kthread+0x28a/0x350
[ 6215.508887][   T10]      ret_from_fork+0x31/0x70
[ 6215.508887][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6215.508887][   T10] 
[ 6215.510823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.510823][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.510823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.510823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.510823][   T10]      ip6_route_add+0x1c/0x140
[ 6215.510823][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6215.510823][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6215.510823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.510823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.510823][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.510823][   T10]      netlink_unicast+0x449/0x710
[ 6215.510823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.510823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.510823][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.510823][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.510823][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.510823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.510823][   T10] 
[ 6215.512852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.512852][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.512852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.512852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.512852][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6215.512852][   T10]      ipv6_add_addr+0x411/0x2000
[ 6215.512852][   T10]      inet6_addr_add+0x30e/0xa40
[ 6215.512852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.512852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.512852][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.512852][   T10]      netlink_unicast+0x449/0x710
[ 6215.512852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.512852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.512852][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.512852][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.512852][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.512852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.512852][   T10] 
[ 6215.514900][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.514900][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.514900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.514900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.514900][   T10]      ip6_route_add+0x1c/0x140
[ 6215.514900][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6215.514900][   T10]      addrconf_add_dev+0xe2/0x170
[ 6215.514900][   T10]      inet6_addr_add+0x12f/0xa40
[ 6215.514900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.514900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.514900][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.514900][   T10]      netlink_unicast+0x449/0x710
[ 6215.514900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.514900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.514900][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.514900][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.514900][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.514900][   T10] 
[ 6215.516904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.516904][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6215.516904][   T10]      ipv6_find_idev+0x102/0x170
[ 6215.516904][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6215.516904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.516904][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.516904][   T10]      netlink_unicast+0x449/0x710
[ 6215.516904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.516904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.516904][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.516904][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.516904][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.516904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.516904][   T10] 
[ 6215.518466][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6215.518466][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6215.518466][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6215.518466][   T10]      ipv6_find_idev+0x102/0x170
[ 6215.518466][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6215.518466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.518466][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.518466][   T10]      netlink_unicast+0x449/0x710
[ 6215.518466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.518466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.518466][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.518466][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.518466][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.518466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.518466][   T10] 
[ 6215.520198][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6215.520448][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.520448][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6215.520448][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6215.520448][   T10]      fib6_nh_init+0xa22/0x1580
[ 6215.520448][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.520448][   T10]      ip6_route_add+0x1c/0x140
[ 6215.520448][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6215.520448][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.520448][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.520448][   T10]      netlink_unicast+0x449/0x710
[ 6215.520448][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.520448][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.520448][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.520448][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.520448][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.520448][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.520448][   T10] 
[ 6215.522356][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.522356][   T10]      dst_init+0x84/0x4a0
[ 6215.522356][   T10]      dst_alloc+0x97/0x150
[ 6215.522356][   T10]      ip6_dst_alloc+0x23/0x90
[ 6215.522356][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6215.522356][   T10]      ip6_pol_route+0x56f/0x840
[ 6215.522356][   T10]      fib6_rule_lookup+0x456/0x630
[ 6215.522356][   T10]      ip6_route_input+0x59c/0xa50
[ 6215.522356][   T10]      ipv6_rcv+0x397/0x810
[ 6215.522356][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6215.522356][   T10]      process_backlog+0x101/0x620
[ 6215.522356][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6215.522356][   T10]      net_rx_action+0x495/0xbe0
[ 6215.522356][   T10]      __do_softirq+0x1b5/0x7f6
[ 6215.522356][   T10] 
[ 6215.524013][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.524013][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.524013][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.524013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.524013][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6215.524013][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6215.524013][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6215.524013][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6215.524013][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6215.524013][   T10]      addrconf_dad_begin+0x310/0x670
[ 6215.524013][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6215.524013][   T10]      process_one_work+0x84d/0x18a0
[ 6215.524013][   T10]      worker_thread+0x587/0xd30
[ 6215.524013][   T10]      kthread+0x28a/0x350
[ 6215.524013][   T10]      ret_from_fork+0x31/0x70
[ 6215.524013][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6215.524013][   T10] 
[ 6215.525940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.525940][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.525940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.525940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.525940][   T10]      ip6_route_add+0x1c/0x140
[ 6215.525940][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6215.525940][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6215.525940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.525940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.525940][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.525940][   T10]      netlink_unicast+0x449/0x710
[ 6215.525940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.525940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.525940][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.525940][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.525940][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.525940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.525940][   T10] 
[ 6215.527967][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.527967][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.527967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.527967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.527967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6215.527967][   T10]      ipv6_add_addr+0x411/0x2000
[ 6215.527967][   T10]      inet6_addr_add+0x30e/0xa40
[ 6215.527967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.527967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.527967][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.527967][   T10]      netlink_unicast+0x449/0x710
[ 6215.527967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.527967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.527967][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.527967][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.527967][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.527967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.527967][   T10] 
[ 6215.529994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.529994][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.529994][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.529994][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.529994][   T10]      ip6_route_add+0x1c/0x140
[ 6215.529994][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6215.529994][   T10]      addrconf_add_dev+0xe2/0x170
[ 6215.529994][   T10]      inet6_addr_add+0x12f/0xa40
[ 6215.529994][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.529994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.529994][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.529994][   T10]      netlink_unicast+0x449/0x710
[ 6215.529994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.529994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.529994][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.529994][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.529994][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.529994][   T10] 
[ 6215.532167][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.532167][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6215.532167][   T10]      ipv6_find_idev+0x102/0x170
[ 6215.532167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6215.532167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.532167][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.532167][   T10]      netlink_unicast+0x449/0x710
[ 6215.532167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.532167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.532167][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.532167][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.532167][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.532167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.532167][   T10] 
[ 6215.533991][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6215.533991][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6215.533991][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6215.533991][   T10]      ipv6_find_idev+0x102/0x170
[ 6215.533991][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6215.533991][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.533991][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.533991][   T10]      netlink_unicast+0x449/0x710
[ 6215.533991][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.533991][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.533991][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.533991][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.533991][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.533991][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.533991][   T10] 
[ 6215.535906][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6215.536155][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6215.536155][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.536155][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.536155][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.536155][   T10]      ip6_route_add+0x1c/0x140
[ 6215.536155][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6215.536155][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6215.536155][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.536155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.536155][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.536155][   T10]      netlink_unicast+0x449/0x710
[ 6215.536155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.536155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.536155][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.536155][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.536155][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.536155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.536155][   T10] 
[ 6215.538433][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6215.538433][   T10]      netdev_get_by_index+0x5e/0x80
[ 6215.538433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6215.538433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6215.538433][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6215.538433][   T10]      ipv6_add_addr+0x411/0x2000
[ 6215.538433][   T10]      inet6_addr_add+0x30e/0xa40
[ 6215.538433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6215.538433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.538433][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.538433][   T10]      netlink_unicast+0x449/0x710
[ 6215.538433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.538433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.538433][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.538433][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.538433][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.538433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.538433][   T10] 
[ 6215.540696][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6215.540696][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6215.540696][   T10]      ipv6_find_idev+0x102/0x170
[ 6215.540696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6215.540696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.540696][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.540696][   T10]      netlink_unicast+0x449/0x710
[ 6215.540696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.540696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.540696][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.540696][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.540696][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.540696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.540696][   T10] 
[ 6215.542500][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6215.542500][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6215.542500][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6215.542500][   T10]      ipv6_find_idev+0x102/0x170
[ 6215.542500][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6215.542500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6215.542500][   T10]      netlink_rcv_skb+0x130/0x360
[ 6215.542500][   T10]      netlink_unicast+0x449/0x710
[ 6215.542500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6215.542500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6215.542500][   T10]      ___sys_sendmsg+0xee/0x170
[ 6215.542500][   T10]      __sys_sendmsg+0xcd/0x170
[ 6215.542500][   T10]      do_syscall_64+0xc6/0x1e0
[ 6215.542500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6215.542500][   T10] 
[ 6225.616731][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6225.617216][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.617216][   T10]      dst_init+0x84/0x4a0
[ 6225.617216][   T10]      dst_alloc+0x97/0x150
[ 6225.617216][   T10]      ip6_dst_alloc+0x23/0x90
[ 6225.617216][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6225.617216][   T10]      ip6_pol_route+0x56f/0x840
[ 6225.617216][   T10]      fib6_rule_lookup+0x456/0x630
[ 6225.617216][   T10]      ip6_route_input+0x59c/0xa50
[ 6225.617216][   T10]      ipv6_rcv+0x397/0x810
[ 6225.617216][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6225.617216][   T10]      process_backlog+0x101/0x620
[ 6225.617216][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6225.617216][   T10]      net_rx_action+0x495/0xbe0
[ 6225.617216][   T10]      __do_softirq+0x1b5/0x7f6
[ 6225.617216][   T10] 
[ 6225.618911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.618911][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6225.618911][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6225.618911][   T10]      fib6_nh_init+0xa22/0x1580
[ 6225.618911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.618911][   T10]      ip6_route_add+0x1c/0x140
[ 6225.618911][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6225.618911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.618911][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.618911][   T10]      netlink_unicast+0x449/0x710
[ 6225.618911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.618911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.618911][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.618911][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.618911][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.618911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.618911][   T10] 
[ 6225.620837][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.620837][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.620837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.620837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.620837][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6225.620837][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6225.620837][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6225.620837][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6225.620837][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6225.620837][   T10]      addrconf_dad_begin+0x310/0x670
[ 6225.620837][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6225.620837][   T10]      process_one_work+0x84d/0x18a0
[ 6225.620837][   T10]      worker_thread+0x587/0xd30
[ 6225.620837][   T10]      kthread+0x28a/0x350
[ 6225.620837][   T10]      ret_from_fork+0x31/0x70
[ 6225.620837][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6225.620837][   T10] 
[ 6225.622784][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.622784][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.622784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.622784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.622784][   T10]      ip6_route_add+0x1c/0x140
[ 6225.622784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6225.622784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6225.622784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.622784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.622784][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.622784][   T10]      netlink_unicast+0x449/0x710
[ 6225.622784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.622784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.622784][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.622784][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.622784][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.622784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.622784][   T10] 
[ 6225.624832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.624832][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.624832][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.624832][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.624832][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6225.624832][   T10]      ipv6_add_addr+0x411/0x2000
[ 6225.624832][   T10]      inet6_addr_add+0x30e/0xa40
[ 6225.624832][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.624832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.624832][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.624832][   T10]      netlink_unicast+0x449/0x710
[ 6225.624832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.624832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.624832][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.624832][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.624832][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.624832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.624832][   T10] 
[ 6225.626861][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.626861][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.626861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.626861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.626861][   T10]      ip6_route_add+0x1c/0x140
[ 6225.626861][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6225.626861][   T10]      addrconf_add_dev+0xe2/0x170
[ 6225.626861][   T10]      inet6_addr_add+0x12f/0xa40
[ 6225.626861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.626861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.626861][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.626861][   T10]      netlink_unicast+0x449/0x710
[ 6225.626861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.626861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.626861][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.626861][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.626861][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.626861][   T10] 
[ 6225.628863][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.628863][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6225.628863][   T10]      ipv6_find_idev+0x102/0x170
[ 6225.628863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6225.628863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.628863][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.628863][   T10]      netlink_unicast+0x449/0x710
[ 6225.628863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.628863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.628863][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.628863][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.628863][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.628863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.628863][   T10] 
[ 6225.630424][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6225.630424][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6225.630424][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6225.630424][   T10]      ipv6_find_idev+0x102/0x170
[ 6225.630424][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6225.630424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.630424][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.630424][   T10]      netlink_unicast+0x449/0x710
[ 6225.630424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.630424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.630424][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.630424][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.630424][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.630424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.630424][   T10] 
[ 6225.632165][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6225.632409][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.632409][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6225.632409][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6225.632409][   T10]      fib6_nh_init+0xa22/0x1580
[ 6225.632409][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.632409][   T10]      ip6_route_add+0x1c/0x140
[ 6225.632409][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6225.632409][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.632409][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.632409][   T10]      netlink_unicast+0x449/0x710
[ 6225.632409][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.632409][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.632409][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.632409][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.632409][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.632409][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.632409][   T10] 
[ 6225.634314][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.634314][   T10]      dst_init+0x84/0x4a0
[ 6225.634314][   T10]      dst_alloc+0x97/0x150
[ 6225.634314][   T10]      ip6_dst_alloc+0x23/0x90
[ 6225.634314][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6225.634314][   T10]      ip6_pol_route+0x56f/0x840
[ 6225.634314][   T10]      fib6_rule_lookup+0x456/0x630
[ 6225.634314][   T10]      ip6_route_input+0x59c/0xa50
[ 6225.634314][   T10]      ipv6_rcv+0x397/0x810
[ 6225.634314][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6225.634314][   T10]      process_backlog+0x101/0x620
[ 6225.634314][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6225.634314][   T10]      net_rx_action+0x495/0xbe0
[ 6225.634314][   T10]      __do_softirq+0x1b5/0x7f6
[ 6225.634314][   T10] 
[ 6225.635976][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.635976][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.635976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.635976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.635976][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6225.635976][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6225.635976][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6225.635976][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6225.635976][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6225.635976][   T10]      addrconf_dad_begin+0x310/0x670
[ 6225.635976][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6225.635976][   T10]      process_one_work+0x84d/0x18a0
[ 6225.635976][   T10]      worker_thread+0x587/0xd30
[ 6225.635976][   T10]      kthread+0x28a/0x350
[ 6225.635976][   T10]      ret_from_fork+0x31/0x70
[ 6225.635976][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6225.635976][   T10] 
[ 6225.637920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.637920][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.637920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.637920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.637920][   T10]      ip6_route_add+0x1c/0x140
[ 6225.637920][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6225.637920][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6225.637920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.637920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.637920][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.637920][   T10]      netlink_unicast+0x449/0x710
[ 6225.637920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.637920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.637920][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.637920][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.637920][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.637920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.637920][   T10] 
[ 6225.639955][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.639955][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.639955][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.639955][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.639955][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6225.639955][   T10]      ipv6_add_addr+0x411/0x2000
[ 6225.639955][   T10]      inet6_addr_add+0x30e/0xa40
[ 6225.639955][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.639955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.639955][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.639955][   T10]      netlink_unicast+0x449/0x710
[ 6225.639955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.639955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.639955][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.639955][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.639955][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.639955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.639955][   T10] 
[ 6225.641987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.641987][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.641987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.641987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.641987][   T10]      ip6_route_add+0x1c/0x140
[ 6225.641987][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6225.641987][   T10]      addrconf_add_dev+0xe2/0x170
[ 6225.641987][   T10]      inet6_addr_add+0x12f/0xa40
[ 6225.641987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.641987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.641987][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.641987][   T10]      netlink_unicast+0x449/0x710
[ 6225.641987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.641987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.641987][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.641987][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.641987][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.641987][   T10] 
[ 6225.644164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.644164][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6225.644164][   T10]      ipv6_find_idev+0x102/0x170
[ 6225.644164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6225.644164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.644164][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.644164][   T10]      netlink_unicast+0x449/0x710
[ 6225.644164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.644164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.644164][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.644164][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.644164][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.644164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.644164][   T10] 
[ 6225.646006][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6225.646006][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6225.646006][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6225.646006][   T10]      ipv6_find_idev+0x102/0x170
[ 6225.646006][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6225.646006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.646006][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.646006][   T10]      netlink_unicast+0x449/0x710
[ 6225.646006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.646006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.646006][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.646006][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.646006][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.646006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.646006][   T10] 
[ 6225.648003][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6225.648247][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6225.648247][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.648247][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.648247][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.648247][   T10]      ip6_route_add+0x1c/0x140
[ 6225.648247][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6225.648247][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6225.648247][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.648247][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.648247][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.648247][   T10]      netlink_unicast+0x449/0x710
[ 6225.648247][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.648247][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.648247][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.648247][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.648247][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.648247][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.648247][   T10] 
[ 6225.650523][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6225.650523][   T10]      netdev_get_by_index+0x5e/0x80
[ 6225.650523][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6225.650523][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6225.650523][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6225.650523][   T10]      ipv6_add_addr+0x411/0x2000
[ 6225.650523][   T10]      inet6_addr_add+0x30e/0xa40
[ 6225.650523][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6225.650523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.650523][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.650523][   T10]      netlink_unicast+0x449/0x710
[ 6225.650523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.650523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.650523][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.650523][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.650523][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.650523][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.650523][   T10] 
[ 6225.652781][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6225.652781][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6225.652781][   T10]      ipv6_find_idev+0x102/0x170
[ 6225.652781][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6225.652781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.652781][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.652781][   T10]      netlink_unicast+0x449/0x710
[ 6225.652781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.652781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.652781][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.652781][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.652781][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.652781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.652781][   T10] 
[ 6225.654515][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6225.654515][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6225.654515][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6225.654515][   T10]      ipv6_find_idev+0x102/0x170
[ 6225.654515][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6225.654515][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6225.654515][   T10]      netlink_rcv_skb+0x130/0x360
[ 6225.654515][   T10]      netlink_unicast+0x449/0x710
[ 6225.654515][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6225.654515][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6225.654515][   T10]      ___sys_sendmsg+0xee/0x170
[ 6225.654515][   T10]      __sys_sendmsg+0xcd/0x170
[ 6225.654515][   T10]      do_syscall_64+0xc6/0x1e0
[ 6225.654515][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6225.654515][   T10] 
[ 6235.864780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6235.865529][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.865529][   T10]      dst_init+0x84/0x4a0
[ 6235.865529][   T10]      dst_alloc+0x97/0x150
[ 6235.865529][   T10]      ip6_dst_alloc+0x23/0x90
[ 6235.865529][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6235.865529][   T10]      ip6_pol_route+0x56f/0x840
[ 6235.865529][   T10]      fib6_rule_lookup+0x456/0x630
[ 6235.865529][   T10]      ip6_route_input+0x59c/0xa50
[ 6235.865529][   T10]      ipv6_rcv+0x397/0x810
[ 6235.865529][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6235.865529][   T10]      process_backlog+0x101/0x620
[ 6235.865529][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6235.865529][   T10]      net_rx_action+0x495/0xbe0
[ 6235.865529][   T10]      __do_softirq+0x1b5/0x7f6
[ 6235.865529][   T10] 
[ 6235.867241][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.867241][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6235.867241][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6235.867241][   T10]      fib6_nh_init+0xa22/0x1580
[ 6235.867241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.867241][   T10]      ip6_route_add+0x1c/0x140
[ 6235.867241][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6235.867241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.867241][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.867241][   T10]      netlink_unicast+0x449/0x710
[ 6235.867241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.867241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.867241][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.867241][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.867241][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.867241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.867241][   T10] 
[ 6235.869166][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.869166][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.869166][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.869166][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.869166][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6235.869166][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6235.869166][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6235.869166][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6235.869166][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6235.869166][   T10]      addrconf_dad_begin+0x310/0x670
[ 6235.869166][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6235.869166][   T10]      process_one_work+0x84d/0x18a0
[ 6235.869166][   T10]      worker_thread+0x587/0xd30
[ 6235.869166][   T10]      kthread+0x28a/0x350
[ 6235.869166][   T10]      ret_from_fork+0x31/0x70
[ 6235.869166][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6235.869166][   T10] 
[ 6235.871103][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.871103][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.871103][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.871103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.871103][   T10]      ip6_route_add+0x1c/0x140
[ 6235.871103][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6235.871103][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6235.871103][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.871103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.871103][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.871103][   T10]      netlink_unicast+0x449/0x710
[ 6235.871103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.871103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.871103][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.871103][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.871103][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.871103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.871103][   T10] 
[ 6235.873147][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.873147][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.873147][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.873147][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.873147][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6235.873147][   T10]      ipv6_add_addr+0x411/0x2000
[ 6235.873147][   T10]      inet6_addr_add+0x30e/0xa40
[ 6235.873147][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.873147][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.873147][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.873147][   T10]      netlink_unicast+0x449/0x710
[ 6235.873147][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.873147][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.873147][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.873147][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.873147][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.873147][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.873147][   T10] 
[ 6235.875121][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.875121][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.875121][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.875121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.875121][   T10]      ip6_route_add+0x1c/0x140
[ 6235.875121][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6235.875121][   T10]      addrconf_add_dev+0xe2/0x170
[ 6235.875121][   T10]      inet6_addr_add+0x12f/0xa40
[ 6235.875121][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.875121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.875121][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.875121][   T10]      netlink_unicast+0x449/0x710
[ 6235.875121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.875121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.875121][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.875121][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.875121][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.875121][   T10] 
[ 6235.877094][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.877094][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6235.877094][   T10]      ipv6_find_idev+0x102/0x170
[ 6235.877094][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6235.877094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.877094][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.877094][   T10]      netlink_unicast+0x449/0x710
[ 6235.877094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.877094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.877094][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.877094][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.877094][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.877094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.877094][   T10] 
[ 6235.878664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6235.878664][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6235.878664][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6235.878664][   T10]      ipv6_find_idev+0x102/0x170
[ 6235.878664][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6235.878664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.878664][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.878664][   T10]      netlink_unicast+0x449/0x710
[ 6235.878664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.878664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.878664][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.878664][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.878664][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.878664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.878664][   T10] 
[ 6235.880422][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6235.880679][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.880679][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6235.880679][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6235.880679][   T10]      fib6_nh_init+0xa22/0x1580
[ 6235.880679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.880679][   T10]      ip6_route_add+0x1c/0x140
[ 6235.880679][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6235.880679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.880679][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.880679][   T10]      netlink_unicast+0x449/0x710
[ 6235.880679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.880679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.880679][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.880679][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.880679][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.880679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.880679][   T10] 
[ 6235.882588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.882588][   T10]      dst_init+0x84/0x4a0
[ 6235.882588][   T10]      dst_alloc+0x97/0x150
[ 6235.882588][   T10]      ip6_dst_alloc+0x23/0x90
[ 6235.882588][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6235.882588][   T10]      ip6_pol_route+0x56f/0x840
[ 6235.882588][   T10]      fib6_rule_lookup+0x456/0x630
[ 6235.882588][   T10]      ip6_route_input+0x59c/0xa50
[ 6235.882588][   T10]      ipv6_rcv+0x397/0x810
[ 6235.882588][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6235.882588][   T10]      process_backlog+0x101/0x620
[ 6235.882588][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6235.882588][   T10]      net_rx_action+0x495/0xbe0
[ 6235.882588][   T10]      __do_softirq+0x1b5/0x7f6
[ 6235.882588][   T10] 
[ 6235.884240][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.884240][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.884240][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.884240][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.884240][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6235.884240][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6235.884240][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6235.884240][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6235.884240][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6235.884240][   T10]      addrconf_dad_begin+0x310/0x670
[ 6235.884240][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6235.884240][   T10]      process_one_work+0x84d/0x18a0
[ 6235.884240][   T10]      worker_thread+0x587/0xd30
[ 6235.884240][   T10]      kthread+0x28a/0x350
[ 6235.884240][   T10]      ret_from_fork+0x31/0x70
[ 6235.884240][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6235.884240][   T10] 
[ 6235.886172][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.886172][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.886172][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.886172][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.886172][   T10]      ip6_route_add+0x1c/0x140
[ 6235.886172][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6235.886172][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6235.886172][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.886172][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.886172][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.886172][   T10]      netlink_unicast+0x449/0x710
[ 6235.886172][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.886172][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.886172][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.886172][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.886172][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.886172][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.886172][   T10] 
[ 6235.888201][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.888201][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.888201][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.888201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.888201][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6235.888201][   T10]      ipv6_add_addr+0x411/0x2000
[ 6235.888201][   T10]      inet6_addr_add+0x30e/0xa40
[ 6235.888201][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.888201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.888201][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.888201][   T10]      netlink_unicast+0x449/0x710
[ 6235.888201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.888201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.888201][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.888201][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.888201][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.888201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.888201][   T10] 
[ 6235.890228][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.890228][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.890228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.890228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.890228][   T10]      ip6_route_add+0x1c/0x140
[ 6235.890228][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6235.890228][   T10]      addrconf_add_dev+0xe2/0x170
[ 6235.890228][   T10]      inet6_addr_add+0x12f/0xa40
[ 6235.890228][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.890228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.890228][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.890228][   T10]      netlink_unicast+0x449/0x710
[ 6235.890228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.890228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.890228][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.890228][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.890228][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.890228][   T10] 
[ 6235.892405][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.892405][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6235.892405][   T10]      ipv6_find_idev+0x102/0x170
[ 6235.892405][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6235.892405][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.892405][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.892405][   T10]      netlink_unicast+0x449/0x710
[ 6235.892405][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.892405][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.892405][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.892405][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.892405][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.892405][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.892405][   T10] 
[ 6235.894200][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6235.894200][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6235.894200][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6235.894200][   T10]      ipv6_find_idev+0x102/0x170
[ 6235.894200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6235.894200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.894200][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.894200][   T10]      netlink_unicast+0x449/0x710
[ 6235.894200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.894200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.894200][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.894200][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.894200][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.894200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.894200][   T10] 
[ 6235.896109][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6235.896351][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6235.896351][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.896351][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.896351][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.896351][   T10]      ip6_route_add+0x1c/0x140
[ 6235.896351][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6235.896351][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6235.896351][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.896351][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.896351][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.896351][   T10]      netlink_unicast+0x449/0x710
[ 6235.896351][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.896351][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.896351][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.896351][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.896351][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.896351][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.896351][   T10] 
[ 6235.898634][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6235.898634][   T10]      netdev_get_by_index+0x5e/0x80
[ 6235.898634][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6235.898634][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6235.898634][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6235.898634][   T10]      ipv6_add_addr+0x411/0x2000
[ 6235.898634][   T10]      inet6_addr_add+0x30e/0xa40
[ 6235.898634][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6235.898634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.898634][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.898634][   T10]      netlink_unicast+0x449/0x710
[ 6235.898634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.898634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.898634][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.898634][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.898634][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.898634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.898634][   T10] 
[ 6235.900908][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6235.900908][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6235.900908][   T10]      ipv6_find_idev+0x102/0x170
[ 6235.900908][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6235.900908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.900908][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.900908][   T10]      netlink_unicast+0x449/0x710
[ 6235.900908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.900908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.900908][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.900908][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.900908][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.900908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.900908][   T10] 
[ 6235.902705][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6235.902705][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6235.902705][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6235.902705][   T10]      ipv6_find_idev+0x102/0x170
[ 6235.902705][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6235.902705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6235.902705][   T10]      netlink_rcv_skb+0x130/0x360
[ 6235.902705][   T10]      netlink_unicast+0x449/0x710
[ 6235.902705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6235.902705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6235.902705][   T10]      ___sys_sendmsg+0xee/0x170
[ 6235.902705][   T10]      __sys_sendmsg+0xcd/0x170
[ 6235.902705][   T10]      do_syscall_64+0xc6/0x1e0
[ 6235.902705][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6235.902705][   T10] 
[ 6245.952696][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6245.953174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.953174][   T10]      dst_init+0x84/0x4a0
[ 6245.953174][   T10]      dst_alloc+0x97/0x150
[ 6245.953174][   T10]      ip6_dst_alloc+0x23/0x90
[ 6245.953174][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6245.953174][   T10]      ip6_pol_route+0x56f/0x840
[ 6245.953174][   T10]      fib6_rule_lookup+0x456/0x630
[ 6245.953174][   T10]      ip6_route_input+0x59c/0xa50
[ 6245.953174][   T10]      ipv6_rcv+0x397/0x810
[ 6245.953174][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6245.953174][   T10]      process_backlog+0x101/0x620
[ 6245.953174][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6245.953174][   T10]      net_rx_action+0x495/0xbe0
[ 6245.953174][   T10]      __do_softirq+0x1b5/0x7f6
[ 6245.953174][   T10] 
[ 6245.954885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.954885][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6245.954885][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6245.954885][   T10]      fib6_nh_init+0xa22/0x1580
[ 6245.954885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.954885][   T10]      ip6_route_add+0x1c/0x140
[ 6245.954885][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6245.954885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.954885][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.954885][   T10]      netlink_unicast+0x449/0x710
[ 6245.954885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.954885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.954885][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.954885][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.954885][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.954885][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.954885][   T10] 
[ 6245.956804][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.956804][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.956804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.956804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.956804][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6245.956804][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6245.956804][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6245.956804][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6245.956804][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6245.956804][   T10]      addrconf_dad_begin+0x310/0x670
[ 6245.956804][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6245.956804][   T10]      process_one_work+0x84d/0x18a0
[ 6245.956804][   T10]      worker_thread+0x587/0xd30
[ 6245.956804][   T10]      kthread+0x28a/0x350
[ 6245.956804][   T10]      ret_from_fork+0x31/0x70
[ 6245.956804][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6245.956804][   T10] 
[ 6245.958864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.958864][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.958864][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.958864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.958864][   T10]      ip6_route_add+0x1c/0x140
[ 6245.958864][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6245.958864][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6245.958864][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.958864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.958864][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.958864][   T10]      netlink_unicast+0x449/0x710
[ 6245.958864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.958864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.958864][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.958864][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.958864][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.958864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.958864][   T10] 
[ 6245.960893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.960893][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.960893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.960893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.960893][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6245.960893][   T10]      ipv6_add_addr+0x411/0x2000
[ 6245.960893][   T10]      inet6_addr_add+0x30e/0xa40
[ 6245.960893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.960893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.960893][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.960893][   T10]      netlink_unicast+0x449/0x710
[ 6245.960893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.960893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.960893][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.960893][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.960893][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.960893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.960893][   T10] 
[ 6245.962928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.962928][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.962928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.962928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.962928][   T10]      ip6_route_add+0x1c/0x140
[ 6245.962928][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6245.962928][   T10]      addrconf_add_dev+0xe2/0x170
[ 6245.962928][   T10]      inet6_addr_add+0x12f/0xa40
[ 6245.962928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.962928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.962928][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.962928][   T10]      netlink_unicast+0x449/0x710
[ 6245.962928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.962928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.962928][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.962928][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.962928][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.962928][   T10] 
[ 6245.964933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.964933][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6245.964933][   T10]      ipv6_find_idev+0x102/0x170
[ 6245.964933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.964933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.964933][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.964933][   T10]      netlink_unicast+0x449/0x710
[ 6245.964933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.964933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.964933][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.964933][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.964933][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.964933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.964933][   T10] 
[ 6245.966506][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6245.966506][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6245.966506][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6245.966506][   T10]      ipv6_find_idev+0x102/0x170
[ 6245.966506][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.966506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.966506][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.966506][   T10]      netlink_unicast+0x449/0x710
[ 6245.966506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.966506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.966506][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.966506][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.966506][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.966506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.966506][   T10] 
[ 6245.968251][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6245.968495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.968495][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6245.968495][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6245.968495][   T10]      fib6_nh_init+0xa22/0x1580
[ 6245.968495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.968495][   T10]      ip6_route_add+0x1c/0x140
[ 6245.968495][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6245.968495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.968495][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.968495][   T10]      netlink_unicast+0x449/0x710
[ 6245.968495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.968495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.968495][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.968495][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.968495][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.968495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.968495][   T10] 
[ 6245.970414][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.970414][   T10]      dst_init+0x84/0x4a0
[ 6245.970414][   T10]      dst_alloc+0x97/0x150
[ 6245.970414][   T10]      ip6_dst_alloc+0x23/0x90
[ 6245.970414][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6245.970414][   T10]      ip6_pol_route+0x56f/0x840
[ 6245.970414][   T10]      fib6_rule_lookup+0x456/0x630
[ 6245.970414][   T10]      ip6_route_input+0x59c/0xa50
[ 6245.970414][   T10]      ipv6_rcv+0x397/0x810
[ 6245.970414][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6245.970414][   T10]      process_backlog+0x101/0x620
[ 6245.970414][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6245.970414][   T10]      net_rx_action+0x495/0xbe0
[ 6245.970414][   T10]      __do_softirq+0x1b5/0x7f6
[ 6245.970414][   T10] 
[ 6245.972086][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.972086][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.972086][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.972086][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.972086][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6245.972086][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6245.972086][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6245.972086][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6245.972086][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6245.972086][   T10]      addrconf_dad_begin+0x310/0x670
[ 6245.972086][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6245.972086][   T10]      process_one_work+0x84d/0x18a0
[ 6245.972086][   T10]      worker_thread+0x587/0xd30
[ 6245.972086][   T10]      kthread+0x28a/0x350
[ 6245.972086][   T10]      ret_from_fork+0x31/0x70
[ 6245.972086][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6245.972086][   T10] 
[ 6245.974021][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.974021][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.974021][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.974021][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.974021][   T10]      ip6_route_add+0x1c/0x140
[ 6245.974021][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6245.974021][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6245.974021][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.974021][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.974021][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.974021][   T10]      netlink_unicast+0x449/0x710
[ 6245.974021][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.974021][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.974021][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.974021][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.974021][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.974021][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.974021][   T10] 
[ 6245.976051][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.976051][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.976051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.976051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.976051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6245.976051][   T10]      ipv6_add_addr+0x411/0x2000
[ 6245.976051][   T10]      inet6_addr_add+0x30e/0xa40
[ 6245.976051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.976051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.976051][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.976051][   T10]      netlink_unicast+0x449/0x710
[ 6245.976051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.976051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.976051][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.976051][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.976051][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.976051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.976051][   T10] 
[ 6245.978092][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.978092][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.978092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.978092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.978092][   T10]      ip6_route_add+0x1c/0x140
[ 6245.978092][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6245.978092][   T10]      addrconf_add_dev+0xe2/0x170
[ 6245.978092][   T10]      inet6_addr_add+0x12f/0xa40
[ 6245.978092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.978092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.978092][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.978092][   T10]      netlink_unicast+0x449/0x710
[ 6245.978092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.978092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.978092][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.978092][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.978092][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.978092][   T10] 
[ 6245.980279][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.980279][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6245.980279][   T10]      ipv6_find_idev+0x102/0x170
[ 6245.980279][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.980279][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.980279][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.980279][   T10]      netlink_unicast+0x449/0x710
[ 6245.980279][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.980279][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.980279][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.980279][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.980279][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.980279][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.980279][   T10] 
[ 6245.982019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6245.982019][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6245.982019][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6245.982019][   T10]      ipv6_find_idev+0x102/0x170
[ 6245.982019][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.982019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.982019][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.982019][   T10]      netlink_unicast+0x449/0x710
[ 6245.982019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.982019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.982019][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.982019][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.982019][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.982019][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.982019][   T10] 
[ 6245.983983][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6245.984228][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6245.984228][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.984228][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.984228][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.984228][   T10]      ip6_route_add+0x1c/0x140
[ 6245.984228][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6245.984228][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6245.984228][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.984228][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.984228][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.984228][   T10]      netlink_unicast+0x449/0x710
[ 6245.984228][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.984228][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.984228][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.984228][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.984228][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.984228][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.984228][   T10] 
[ 6245.986503][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6245.986503][   T10]      netdev_get_by_index+0x5e/0x80
[ 6245.986503][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6245.986503][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6245.986503][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6245.986503][   T10]      ipv6_add_addr+0x411/0x2000
[ 6245.986503][   T10]      inet6_addr_add+0x30e/0xa40
[ 6245.986503][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6245.986503][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.986503][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.986503][   T10]      netlink_unicast+0x449/0x710
[ 6245.986503][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.986503][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.986503][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.986503][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.986503][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.986503][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.986503][   T10] 
[ 6245.988773][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6245.988773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6245.988773][   T10]      ipv6_find_idev+0x102/0x170
[ 6245.988773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.988773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.988773][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.988773][   T10]      netlink_unicast+0x449/0x710
[ 6245.988773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.988773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.988773][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.988773][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.988773][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.988773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.988773][   T10] 
[ 6245.991045][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6245.991045][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6245.991045][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6245.991045][   T10]      ipv6_find_idev+0x102/0x170
[ 6245.991045][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6245.991045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6245.991045][   T10]      netlink_rcv_skb+0x130/0x360
[ 6245.991045][   T10]      netlink_unicast+0x449/0x710
[ 6245.991045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6245.991045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6245.991045][   T10]      ___sys_sendmsg+0xee/0x170
[ 6245.991045][   T10]      __sys_sendmsg+0xcd/0x170
[ 6245.991045][   T10]      do_syscall_64+0xc6/0x1e0
[ 6245.991045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6245.991045][   T10] 
[ 6256.120742][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6256.121178][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.121178][   T10]      dst_init+0x84/0x4a0
[ 6256.121178][   T10]      dst_alloc+0x97/0x150
[ 6256.121178][   T10]      ip6_dst_alloc+0x23/0x90
[ 6256.121178][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6256.121178][   T10]      ip6_pol_route+0x56f/0x840
[ 6256.121178][   T10]      fib6_rule_lookup+0x456/0x630
[ 6256.121178][   T10]      ip6_route_input+0x59c/0xa50
[ 6256.121178][   T10]      ipv6_rcv+0x397/0x810
[ 6256.121178][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6256.121178][   T10]      process_backlog+0x101/0x620
[ 6256.121178][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6256.121178][   T10]      net_rx_action+0x495/0xbe0
[ 6256.121178][   T10]      __do_softirq+0x1b5/0x7f6
[ 6256.121178][   T10] 
[ 6256.123009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.123009][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6256.123009][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6256.123009][   T10]      fib6_nh_init+0xa22/0x1580
[ 6256.123009][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.123009][   T10]      ip6_route_add+0x1c/0x140
[ 6256.123009][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6256.123009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.123009][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.123009][   T10]      netlink_unicast+0x449/0x710
[ 6256.123009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.123009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.123009][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.123009][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.123009][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.123009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.123009][   T10] 
[ 6256.124921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.124921][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.124921][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.124921][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.124921][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6256.124921][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6256.124921][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6256.124921][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6256.124921][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6256.124921][   T10]      addrconf_dad_begin+0x310/0x670
[ 6256.124921][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6256.124921][   T10]      process_one_work+0x84d/0x18a0
[ 6256.124921][   T10]      worker_thread+0x587/0xd30
[ 6256.124921][   T10]      kthread+0x28a/0x350
[ 6256.124921][   T10]      ret_from_fork+0x31/0x70
[ 6256.124921][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6256.124921][   T10] 
[ 6256.126872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.126872][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.126872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.126872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.126872][   T10]      ip6_route_add+0x1c/0x140
[ 6256.126872][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6256.126872][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6256.126872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.126872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.126872][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.126872][   T10]      netlink_unicast+0x449/0x710
[ 6256.126872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.126872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.126872][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.126872][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.126872][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.126872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.126872][   T10] 
[ 6256.128916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.128916][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.128916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.128916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.128916][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6256.128916][   T10]      ipv6_add_addr+0x411/0x2000
[ 6256.128916][   T10]      inet6_addr_add+0x30e/0xa40
[ 6256.128916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.128916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.128916][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.128916][   T10]      netlink_unicast+0x449/0x710
[ 6256.128916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.128916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.128916][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.128916][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.128916][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.128916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.128916][   T10] 
[ 6256.130948][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.130948][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.130948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.130948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.130948][   T10]      ip6_route_add+0x1c/0x140
[ 6256.130948][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6256.130948][   T10]      addrconf_add_dev+0xe2/0x170
[ 6256.130948][   T10]      inet6_addr_add+0x12f/0xa40
[ 6256.130948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.130948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.130948][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.130948][   T10]      netlink_unicast+0x449/0x710
[ 6256.130948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.130948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.130948][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.130948][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.130948][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.130948][   T10] 
[ 6256.132960][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.132960][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6256.132960][   T10]      ipv6_find_idev+0x102/0x170
[ 6256.132960][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6256.132960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.132960][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.132960][   T10]      netlink_unicast+0x449/0x710
[ 6256.132960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.132960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.132960][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.132960][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.132960][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.132960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.132960][   T10] 
[ 6256.134524][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6256.134524][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6256.134524][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6256.134524][   T10]      ipv6_find_idev+0x102/0x170
[ 6256.134524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6256.134524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.134524][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.134524][   T10]      netlink_unicast+0x449/0x710
[ 6256.134524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.134524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.134524][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.134524][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.134524][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.134524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.134524][   T10] 
[ 6256.136293][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6256.136547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.136547][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6256.136547][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6256.136547][   T10]      fib6_nh_init+0xa22/0x1580
[ 6256.136547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.136547][   T10]      ip6_route_add+0x1c/0x140
[ 6256.136547][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6256.136547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.136547][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.136547][   T10]      netlink_unicast+0x449/0x710
[ 6256.136547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.136547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.136547][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.136547][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.136547][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.136547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.136547][   T10] 
[ 6256.138465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.138465][   T10]      dst_init+0x84/0x4a0
[ 6256.138465][   T10]      dst_alloc+0x97/0x150
[ 6256.138465][   T10]      ip6_dst_alloc+0x23/0x90
[ 6256.138465][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6256.138465][   T10]      ip6_pol_route+0x56f/0x840
[ 6256.138465][   T10]      fib6_rule_lookup+0x456/0x630
[ 6256.138465][   T10]      ip6_route_input+0x59c/0xa50
[ 6256.138465][   T10]      ipv6_rcv+0x397/0x810
[ 6256.138465][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6256.138465][   T10]      process_backlog+0x101/0x620
[ 6256.138465][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6256.138465][   T10]      net_rx_action+0x495/0xbe0
[ 6256.138465][   T10]      __do_softirq+0x1b5/0x7f6
[ 6256.138465][   T10] 
[ 6256.140128][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.140128][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.140128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.140128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.140128][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6256.140128][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6256.140128][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6256.140128][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6256.140128][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6256.140128][   T10]      addrconf_dad_begin+0x310/0x670
[ 6256.140128][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6256.140128][   T10]      process_one_work+0x84d/0x18a0
[ 6256.140128][   T10]      worker_thread+0x587/0xd30
[ 6256.140128][   T10]      kthread+0x28a/0x350
[ 6256.140128][   T10]      ret_from_fork+0x31/0x70
[ 6256.140128][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6256.140128][   T10] 
[ 6256.142071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.142071][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.142071][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.142071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.142071][   T10]      ip6_route_add+0x1c/0x140
[ 6256.142071][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6256.142071][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6256.142071][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.142071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.142071][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.142071][   T10]      netlink_unicast+0x449/0x710
[ 6256.142071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.142071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.142071][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.142071][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.142071][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.142071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.142071][   T10] 
[ 6256.144099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.144099][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.144099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.144099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.144099][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6256.144099][   T10]      ipv6_add_addr+0x411/0x2000
[ 6256.144099][   T10]      inet6_addr_add+0x30e/0xa40
[ 6256.144099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.144099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.144099][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.144099][   T10]      netlink_unicast+0x449/0x710
[ 6256.144099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.144099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.144099][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.144099][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.144099][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.144099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.144099][   T10] 
[ 6256.146135][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.146135][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.146135][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.146135][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.146135][   T10]      ip6_route_add+0x1c/0x140
[ 6256.146135][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6256.146135][   T10]      addrconf_add_dev+0xe2/0x170
[ 6256.146135][   T10]      inet6_addr_add+0x12f/0xa40
[ 6256.146135][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.146135][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.146135][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.146135][   T10]      netlink_unicast+0x449/0x710
[ 6256.146135][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.146135][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.146135][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.146135][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.146135][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.146135][   T10] 
[ 6256.148313][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.148313][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6256.148313][   T10]      ipv6_find_idev+0x102/0x170
[ 6256.148313][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6256.148313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.148313][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.148313][   T10]      netlink_unicast+0x449/0x710
[ 6256.148313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.148313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.148313][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.148313][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.148313][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.148313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.148313][   T10] 
[ 6256.150113][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6256.150113][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6256.150113][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6256.150113][   T10]      ipv6_find_idev+0x102/0x170
[ 6256.150113][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6256.150113][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.150113][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.150113][   T10]      netlink_unicast+0x449/0x710
[ 6256.150113][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.150113][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.150113][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.150113][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.150113][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.150113][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.150113][   T10] 
[ 6256.152009][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6256.152258][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6256.152258][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.152258][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.152258][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.152258][   T10]      ip6_route_add+0x1c/0x140
[ 6256.152258][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6256.152258][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6256.152258][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.152258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.152258][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.152258][   T10]      netlink_unicast+0x449/0x710
[ 6256.152258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.152258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.152258][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.152258][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.152258][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.152258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.152258][   T10] 
[ 6256.154524][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6256.154524][   T10]      netdev_get_by_index+0x5e/0x80
[ 6256.154524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6256.154524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6256.154524][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6256.154524][   T10]      ipv6_add_addr+0x411/0x2000
[ 6256.154524][   T10]      inet6_addr_add+0x30e/0xa40
[ 6256.154524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6256.154524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.154524][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.154524][   T10]      netlink_unicast+0x449/0x710
[ 6256.154524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.154524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.154524][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.154524][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.154524][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.154524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.154524][   T10] 
[ 6256.156807][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6256.156807][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6256.156807][   T10]      ipv6_find_idev+0x102/0x170
[ 6256.156807][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6256.156807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.156807][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.156807][   T10]      netlink_unicast+0x449/0x710
[ 6256.156807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.156807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.156807][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.156807][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.156807][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.156807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.156807][   T10] 
[ 6256.158629][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6256.158629][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6256.158629][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6256.158629][   T10]      ipv6_find_idev+0x102/0x170
[ 6256.158629][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6256.158629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6256.158629][   T10]      netlink_rcv_skb+0x130/0x360
[ 6256.158629][   T10]      netlink_unicast+0x449/0x710
[ 6256.158629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6256.158629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6256.158629][   T10]      ___sys_sendmsg+0xee/0x170
[ 6256.158629][   T10]      __sys_sendmsg+0xcd/0x170
[ 6256.158629][   T10]      do_syscall_64+0xc6/0x1e0
[ 6256.158629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6256.158629][   T10] 
[ 6266.264737][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6266.265189][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.265189][   T10]      dst_init+0x84/0x4a0
[ 6266.265189][   T10]      dst_alloc+0x97/0x150
[ 6266.265189][   T10]      ip6_dst_alloc+0x23/0x90
[ 6266.265189][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6266.265189][   T10]      ip6_pol_route+0x56f/0x840
[ 6266.265189][   T10]      fib6_rule_lookup+0x456/0x630
[ 6266.265189][   T10]      ip6_route_input+0x59c/0xa50
[ 6266.265189][   T10]      ipv6_rcv+0x397/0x810
[ 6266.265189][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6266.265189][   T10]      process_backlog+0x101/0x620
[ 6266.265189][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6266.265189][   T10]      net_rx_action+0x495/0xbe0
[ 6266.265189][   T10]      __do_softirq+0x1b5/0x7f6
[ 6266.265189][   T10] 
[ 6266.266875][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.266875][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6266.266875][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6266.266875][   T10]      fib6_nh_init+0xa22/0x1580
[ 6266.266875][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.266875][   T10]      ip6_route_add+0x1c/0x140
[ 6266.266875][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6266.266875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.266875][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.266875][   T10]      netlink_unicast+0x449/0x710
[ 6266.266875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.266875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.266875][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.266875][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.266875][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.266875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.266875][   T10] 
[ 6266.268771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.268771][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.268771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.268771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.268771][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6266.268771][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6266.268771][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6266.268771][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6266.268771][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6266.268771][   T10]      addrconf_dad_begin+0x310/0x670
[ 6266.268771][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6266.268771][   T10]      process_one_work+0x84d/0x18a0
[ 6266.268771][   T10]      worker_thread+0x587/0xd30
[ 6266.268771][   T10]      kthread+0x28a/0x350
[ 6266.268771][   T10]      ret_from_fork+0x31/0x70
[ 6266.268771][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6266.268771][   T10] 
[ 6266.270679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.270679][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.270679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.270679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.270679][   T10]      ip6_route_add+0x1c/0x140
[ 6266.270679][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6266.270679][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6266.270679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.270679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.270679][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.270679][   T10]      netlink_unicast+0x449/0x710
[ 6266.270679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.270679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.270679][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.270679][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.270679][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.270679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.270679][   T10] 
[ 6266.272685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.272685][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.272685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.272685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.272685][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6266.272685][   T10]      ipv6_add_addr+0x411/0x2000
[ 6266.272685][   T10]      inet6_addr_add+0x30e/0xa40
[ 6266.272685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.272685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.272685][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.272685][   T10]      netlink_unicast+0x449/0x710
[ 6266.272685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.272685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.272685][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.272685][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.272685][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.272685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.272685][   T10] 
[ 6266.274687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.274687][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.274687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.274687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.274687][   T10]      ip6_route_add+0x1c/0x140
[ 6266.274687][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6266.274687][   T10]      addrconf_add_dev+0xe2/0x170
[ 6266.274687][   T10]      inet6_addr_add+0x12f/0xa40
[ 6266.274687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.274687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.274687][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.274687][   T10]      netlink_unicast+0x449/0x710
[ 6266.274687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.274687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.274687][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.274687][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.274687][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.274687][   T10] 
[ 6266.276648][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.276648][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6266.276648][   T10]      ipv6_find_idev+0x102/0x170
[ 6266.276648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6266.276648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.276648][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.276648][   T10]      netlink_unicast+0x449/0x710
[ 6266.276648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.276648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.276648][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.276648][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.276648][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.276648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.276648][   T10] 
[ 6266.278194][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6266.278194][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6266.278194][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6266.278194][   T10]      ipv6_find_idev+0x102/0x170
[ 6266.278194][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6266.278194][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.278194][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.278194][   T10]      netlink_unicast+0x449/0x710
[ 6266.278194][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.278194][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.278194][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.278194][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.278194][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.278194][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.278194][   T10] 
[ 6266.279888][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6266.280132][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.280132][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6266.280132][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6266.280132][   T10]      fib6_nh_init+0xa22/0x1580
[ 6266.280132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.280132][   T10]      ip6_route_add+0x1c/0x140
[ 6266.280132][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6266.280132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.280132][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.280132][   T10]      netlink_unicast+0x449/0x710
[ 6266.280132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.280132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.280132][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.280132][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.280132][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.280132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.280132][   T10] 
[ 6266.282006][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.282006][   T10]      dst_init+0x84/0x4a0
[ 6266.282006][   T10]      dst_alloc+0x97/0x150
[ 6266.282006][   T10]      ip6_dst_alloc+0x23/0x90
[ 6266.282006][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6266.282006][   T10]      ip6_pol_route+0x56f/0x840
[ 6266.282006][   T10]      fib6_rule_lookup+0x456/0x630
[ 6266.282006][   T10]      ip6_route_input+0x59c/0xa50
[ 6266.282006][   T10]      ipv6_rcv+0x397/0x810
[ 6266.282006][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6266.282006][   T10]      process_backlog+0x101/0x620
[ 6266.282006][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6266.282006][   T10]      net_rx_action+0x495/0xbe0
[ 6266.282006][   T10]      __do_softirq+0x1b5/0x7f6
[ 6266.282006][   T10] 
[ 6266.283648][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.283648][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.283648][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.283648][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.283648][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6266.283648][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6266.283648][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6266.283648][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6266.283648][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6266.283648][   T10]      addrconf_dad_begin+0x310/0x670
[ 6266.283648][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6266.283648][   T10]      process_one_work+0x84d/0x18a0
[ 6266.283648][   T10]      worker_thread+0x587/0xd30
[ 6266.283648][   T10]      kthread+0x28a/0x350
[ 6266.283648][   T10]      ret_from_fork+0x31/0x70
[ 6266.283648][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6266.283648][   T10] 
[ 6266.285555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.285555][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.285555][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.285555][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.285555][   T10]      ip6_route_add+0x1c/0x140
[ 6266.285555][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6266.285555][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6266.285555][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.285555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.285555][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.285555][   T10]      netlink_unicast+0x449/0x710
[ 6266.285555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.285555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.285555][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.285555][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.285555][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.285555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.285555][   T10] 
[ 6266.287562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.287562][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.287562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.287562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.287562][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6266.287562][   T10]      ipv6_add_addr+0x411/0x2000
[ 6266.287562][   T10]      inet6_addr_add+0x30e/0xa40
[ 6266.287562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.287562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.287562][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.287562][   T10]      netlink_unicast+0x449/0x710
[ 6266.287562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.287562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.287562][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.287562][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.287562][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.287562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.287562][   T10] 
[ 6266.289555][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.289555][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.289555][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.289555][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.289555][   T10]      ip6_route_add+0x1c/0x140
[ 6266.289555][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6266.289555][   T10]      addrconf_add_dev+0xe2/0x170
[ 6266.289555][   T10]      inet6_addr_add+0x12f/0xa40
[ 6266.289555][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.289555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.289555][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.289555][   T10]      netlink_unicast+0x449/0x710
[ 6266.289555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.289555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.289555][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.289555][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.289555][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.289555][   T10] 
[ 6266.291642][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.291642][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6266.291642][   T10]      ipv6_find_idev+0x102/0x170
[ 6266.291642][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6266.291642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.291642][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.291642][   T10]      netlink_unicast+0x449/0x710
[ 6266.291642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.291642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.291642][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.291642][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.291642][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.291642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.291642][   T10] 
[ 6266.293363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6266.293363][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6266.293363][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6266.293363][   T10]      ipv6_find_idev+0x102/0x170
[ 6266.293363][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6266.293363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.293363][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.293363][   T10]      netlink_unicast+0x449/0x710
[ 6266.293363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.293363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.293363][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.293363][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.293363][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.293363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.293363][   T10] 
[ 6266.295287][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6266.295591][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6266.295591][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.295591][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.295591][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.295591][   T10]      ip6_route_add+0x1c/0x140
[ 6266.295591][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6266.295591][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6266.295591][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.295591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.295591][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.295591][   T10]      netlink_unicast+0x449/0x710
[ 6266.295591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.295591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.295591][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.295591][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.295591][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.295591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.295591][   T10] 
[ 6266.297785][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6266.297785][   T10]      netdev_get_by_index+0x5e/0x80
[ 6266.297785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6266.297785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6266.297785][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6266.297785][   T10]      ipv6_add_addr+0x411/0x2000
[ 6266.297785][   T10]      inet6_addr_add+0x30e/0xa40
[ 6266.297785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6266.297785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.297785][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.297785][   T10]      netlink_unicast+0x449/0x710
[ 6266.297785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.297785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.297785][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.297785][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.297785][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.297785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.297785][   T10] 
[ 6266.300079][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6266.300079][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6266.300079][   T10]      ipv6_find_idev+0x102/0x170
[ 6266.300079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6266.300079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.300079][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.300079][   T10]      netlink_unicast+0x449/0x710
[ 6266.300079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.300079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.300079][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.300079][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.300079][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.300079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.300079][   T10] 
[ 6266.301805][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6266.301805][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6266.301805][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6266.301805][   T10]      ipv6_find_idev+0x102/0x170
[ 6266.301805][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6266.301805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6266.301805][   T10]      netlink_rcv_skb+0x130/0x360
[ 6266.301805][   T10]      netlink_unicast+0x449/0x710
[ 6266.301805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6266.301805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6266.301805][   T10]      ___sys_sendmsg+0xee/0x170
[ 6266.301805][   T10]      __sys_sendmsg+0xcd/0x170
[ 6266.301805][   T10]      do_syscall_64+0xc6/0x1e0
[ 6266.301805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6266.301805][   T10] 
[ 6276.384778][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6276.385443][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.385443][   T10]      dst_init+0x84/0x4a0
[ 6276.385443][   T10]      dst_alloc+0x97/0x150
[ 6276.385443][   T10]      ip6_dst_alloc+0x23/0x90
[ 6276.385443][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6276.385443][   T10]      ip6_pol_route+0x56f/0x840
[ 6276.385443][   T10]      fib6_rule_lookup+0x456/0x630
[ 6276.385443][   T10]      ip6_route_input+0x59c/0xa50
[ 6276.385443][   T10]      ipv6_rcv+0x397/0x810
[ 6276.385443][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6276.385443][   T10]      process_backlog+0x101/0x620
[ 6276.385443][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6276.385443][   T10]      net_rx_action+0x495/0xbe0
[ 6276.385443][   T10]      __do_softirq+0x1b5/0x7f6
[ 6276.385443][   T10] 
[ 6276.387122][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.387122][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6276.387122][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6276.387122][   T10]      fib6_nh_init+0xa22/0x1580
[ 6276.387122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.387122][   T10]      ip6_route_add+0x1c/0x140
[ 6276.387122][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6276.387122][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.387122][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.387122][   T10]      netlink_unicast+0x449/0x710
[ 6276.387122][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.387122][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.387122][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.387122][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.387122][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.387122][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.387122][   T10] 
[ 6276.389122][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.389122][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.389122][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.389122][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.389122][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6276.389122][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6276.389122][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6276.389122][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6276.389122][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6276.389122][   T10]      addrconf_dad_begin+0x310/0x670
[ 6276.389122][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6276.389122][   T10]      process_one_work+0x84d/0x18a0
[ 6276.389122][   T10]      worker_thread+0x587/0xd30
[ 6276.389122][   T10]      kthread+0x28a/0x350
[ 6276.389122][   T10]      ret_from_fork+0x31/0x70
[ 6276.389122][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6276.389122][   T10] 
[ 6276.391059][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.391059][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.391059][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.391059][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.391059][   T10]      ip6_route_add+0x1c/0x140
[ 6276.391059][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6276.391059][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6276.391059][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.391059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.391059][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.391059][   T10]      netlink_unicast+0x449/0x710
[ 6276.391059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.391059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.391059][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.391059][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.391059][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.391059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.391059][   T10] 
[ 6276.393058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.393058][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.393058][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.393058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.393058][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6276.393058][   T10]      ipv6_add_addr+0x411/0x2000
[ 6276.393058][   T10]      inet6_addr_add+0x30e/0xa40
[ 6276.393058][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.393058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.393058][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.393058][   T10]      netlink_unicast+0x449/0x710
[ 6276.393058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.393058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.393058][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.393058][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.393058][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.393058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.393058][   T10] 
[ 6276.395058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.395058][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.395058][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.395058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.395058][   T10]      ip6_route_add+0x1c/0x140
[ 6276.395058][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6276.395058][   T10]      addrconf_add_dev+0xe2/0x170
[ 6276.395058][   T10]      inet6_addr_add+0x12f/0xa40
[ 6276.395058][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.395058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.395058][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.395058][   T10]      netlink_unicast+0x449/0x710
[ 6276.395058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.395058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.395058][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.395058][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.395058][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.395058][   T10] 
[ 6276.397035][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.397035][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6276.397035][   T10]      ipv6_find_idev+0x102/0x170
[ 6276.397035][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6276.397035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.397035][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.397035][   T10]      netlink_unicast+0x449/0x710
[ 6276.397035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.397035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.397035][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.397035][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.397035][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.397035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.397035][   T10] 
[ 6276.398577][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6276.398577][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6276.398577][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6276.398577][   T10]      ipv6_find_idev+0x102/0x170
[ 6276.398577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6276.398577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.398577][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.398577][   T10]      netlink_unicast+0x449/0x710
[ 6276.398577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.398577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.398577][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.398577][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.398577][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.398577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.398577][   T10] 
[ 6276.400273][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6276.400513][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.400513][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6276.400513][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6276.400513][   T10]      fib6_nh_init+0xa22/0x1580
[ 6276.400513][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.400513][   T10]      ip6_route_add+0x1c/0x140
[ 6276.400513][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6276.400513][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.400513][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.400513][   T10]      netlink_unicast+0x449/0x710
[ 6276.400513][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.400513][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.400513][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.400513][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.400513][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.400513][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.400513][   T10] 
[ 6276.402396][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.402396][   T10]      dst_init+0x84/0x4a0
[ 6276.402396][   T10]      dst_alloc+0x97/0x150
[ 6276.402396][   T10]      ip6_dst_alloc+0x23/0x90
[ 6276.402396][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6276.402396][   T10]      ip6_pol_route+0x56f/0x840
[ 6276.402396][   T10]      fib6_rule_lookup+0x456/0x630
[ 6276.402396][   T10]      ip6_route_input+0x59c/0xa50
[ 6276.402396][   T10]      ipv6_rcv+0x397/0x810
[ 6276.402396][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6276.402396][   T10]      process_backlog+0x101/0x620
[ 6276.402396][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6276.402396][   T10]      net_rx_action+0x495/0xbe0
[ 6276.402396][   T10]      __do_softirq+0x1b5/0x7f6
[ 6276.402396][   T10] 
[ 6276.404032][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.404032][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.404032][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.404032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.404032][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6276.404032][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6276.404032][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6276.404032][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6276.404032][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6276.404032][   T10]      addrconf_dad_begin+0x310/0x670
[ 6276.404032][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6276.404032][   T10]      process_one_work+0x84d/0x18a0
[ 6276.404032][   T10]      worker_thread+0x587/0xd30
[ 6276.404032][   T10]      kthread+0x28a/0x350
[ 6276.404032][   T10]      ret_from_fork+0x31/0x70
[ 6276.404032][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6276.404032][   T10] 
[ 6276.405943][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.405943][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.405943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.405943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.405943][   T10]      ip6_route_add+0x1c/0x140
[ 6276.405943][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6276.405943][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6276.405943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.405943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.405943][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.405943][   T10]      netlink_unicast+0x449/0x710
[ 6276.405943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.405943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.405943][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.405943][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.405943][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.405943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.405943][   T10] 
[ 6276.407950][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.407950][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.407950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.407950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.407950][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6276.407950][   T10]      ipv6_add_addr+0x411/0x2000
[ 6276.407950][   T10]      inet6_addr_add+0x30e/0xa40
[ 6276.407950][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.407950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.407950][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.407950][   T10]      netlink_unicast+0x449/0x710
[ 6276.407950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.407950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.407950][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.407950][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.407950][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.407950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.407950][   T10] 
[ 6276.409961][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.409961][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.409961][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.409961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.409961][   T10]      ip6_route_add+0x1c/0x140
[ 6276.409961][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6276.409961][   T10]      addrconf_add_dev+0xe2/0x170
[ 6276.409961][   T10]      inet6_addr_add+0x12f/0xa40
[ 6276.409961][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.409961][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.409961][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.409961][   T10]      netlink_unicast+0x449/0x710
[ 6276.409961][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.409961][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.409961][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.409961][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.409961][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.409961][   T10] 
[ 6276.412053][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.412053][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6276.412053][   T10]      ipv6_find_idev+0x102/0x170
[ 6276.412053][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6276.412053][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.412053][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.412053][   T10]      netlink_unicast+0x449/0x710
[ 6276.412053][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.412053][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.412053][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.412053][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.412053][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.412053][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.412053][   T10] 
[ 6276.413855][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6276.413855][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6276.413855][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6276.413855][   T10]      ipv6_find_idev+0x102/0x170
[ 6276.413855][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6276.413855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.413855][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.413855][   T10]      netlink_unicast+0x449/0x710
[ 6276.413855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.413855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.413855][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.413855][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.413855][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.413855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.413855][   T10] 
[ 6276.415728][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6276.416026][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6276.416026][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.416026][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.416026][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.416026][   T10]      ip6_route_add+0x1c/0x140
[ 6276.416026][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6276.416026][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6276.416026][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.416026][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.416026][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.416026][   T10]      netlink_unicast+0x449/0x710
[ 6276.416026][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.416026][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.416026][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.416026][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.416026][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.416026][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.416026][   T10] 
[ 6276.418215][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6276.418215][   T10]      netdev_get_by_index+0x5e/0x80
[ 6276.418215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6276.418215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6276.418215][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6276.418215][   T10]      ipv6_add_addr+0x411/0x2000
[ 6276.418215][   T10]      inet6_addr_add+0x30e/0xa40
[ 6276.418215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6276.418215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.418215][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.418215][   T10]      netlink_unicast+0x449/0x710
[ 6276.418215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.418215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.418215][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.418215][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.418215][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.418215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.418215][   T10] 
[ 6276.420399][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6276.420399][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6276.420399][   T10]      ipv6_find_idev+0x102/0x170
[ 6276.420399][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6276.420399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.420399][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.420399][   T10]      netlink_unicast+0x449/0x710
[ 6276.420399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.420399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.420399][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.420399][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.420399][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.420399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.420399][   T10] 
[ 6276.422119][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6276.422119][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6276.422119][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6276.422119][   T10]      ipv6_find_idev+0x102/0x170
[ 6276.422119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6276.422119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6276.422119][   T10]      netlink_rcv_skb+0x130/0x360
[ 6276.422119][   T10]      netlink_unicast+0x449/0x710
[ 6276.422119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6276.422119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6276.422119][   T10]      ___sys_sendmsg+0xee/0x170
[ 6276.422119][   T10]      __sys_sendmsg+0xcd/0x170
[ 6276.422119][   T10]      do_syscall_64+0xc6/0x1e0
[ 6276.422119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6276.422119][   T10] 
[ 6286.664718][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6286.665167][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.665167][   T10]      dst_init+0x84/0x4a0
[ 6286.665167][   T10]      dst_alloc+0x97/0x150
[ 6286.665167][   T10]      ip6_dst_alloc+0x23/0x90
[ 6286.665167][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6286.665167][   T10]      ip6_pol_route+0x56f/0x840
[ 6286.665167][   T10]      fib6_rule_lookup+0x456/0x630
[ 6286.665167][   T10]      ip6_route_input+0x59c/0xa50
[ 6286.665167][   T10]      ipv6_rcv+0x397/0x810
[ 6286.665167][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6286.665167][   T10]      process_backlog+0x101/0x620
[ 6286.665167][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6286.665167][   T10]      net_rx_action+0x495/0xbe0
[ 6286.665167][   T10]      __do_softirq+0x1b5/0x7f6
[ 6286.665167][   T10] 
[ 6286.666853][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.666853][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6286.666853][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6286.666853][   T10]      fib6_nh_init+0xa22/0x1580
[ 6286.666853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.666853][   T10]      ip6_route_add+0x1c/0x140
[ 6286.666853][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6286.666853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.666853][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.666853][   T10]      netlink_unicast+0x449/0x710
[ 6286.666853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.666853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.666853][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.666853][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.666853][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.666853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.666853][   T10] 
[ 6286.668749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.668749][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.668749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.668749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.668749][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6286.668749][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6286.668749][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6286.668749][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6286.668749][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6286.668749][   T10]      addrconf_dad_begin+0x310/0x670
[ 6286.668749][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6286.668749][   T10]      process_one_work+0x84d/0x18a0
[ 6286.668749][   T10]      worker_thread+0x587/0xd30
[ 6286.668749][   T10]      kthread+0x28a/0x350
[ 6286.668749][   T10]      ret_from_fork+0x31/0x70
[ 6286.668749][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6286.668749][   T10] 
[ 6286.671193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.671193][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.671193][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.671193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.671193][   T10]      ip6_route_add+0x1c/0x140
[ 6286.671193][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6286.671193][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6286.671193][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.671193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.671193][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.671193][   T10]      netlink_unicast+0x449/0x710
[ 6286.671193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.671193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.671193][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.671193][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.671193][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.671193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.671193][   T10] 
[ 6286.673189][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.673189][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.673189][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.673189][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.673189][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6286.673189][   T10]      ipv6_add_addr+0x411/0x2000
[ 6286.673189][   T10]      inet6_addr_add+0x30e/0xa40
[ 6286.673189][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.673189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.673189][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.673189][   T10]      netlink_unicast+0x449/0x710
[ 6286.673189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.673189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.673189][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.673189][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.673189][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.673189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.673189][   T10] 
[ 6286.675191][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.675191][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.675191][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.675191][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.675191][   T10]      ip6_route_add+0x1c/0x140
[ 6286.675191][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6286.675191][   T10]      addrconf_add_dev+0xe2/0x170
[ 6286.675191][   T10]      inet6_addr_add+0x12f/0xa40
[ 6286.675191][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.675191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.675191][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.675191][   T10]      netlink_unicast+0x449/0x710
[ 6286.675191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.675191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.675191][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.675191][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.675191][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.675191][   T10] 
[ 6286.677190][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.677190][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6286.677190][   T10]      ipv6_find_idev+0x102/0x170
[ 6286.677190][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.677190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.677190][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.677190][   T10]      netlink_unicast+0x449/0x710
[ 6286.677190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.677190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.677190][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.677190][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.677190][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.677190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.677190][   T10] 
[ 6286.678747][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6286.678747][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6286.678747][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6286.678747][   T10]      ipv6_find_idev+0x102/0x170
[ 6286.678747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.678747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.678747][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.678747][   T10]      netlink_unicast+0x449/0x710
[ 6286.678747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.678747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.678747][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.678747][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.678747][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.678747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.678747][   T10] 
[ 6286.680455][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6286.680725][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.680725][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6286.680725][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6286.680725][   T10]      fib6_nh_init+0xa22/0x1580
[ 6286.680725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.680725][   T10]      ip6_route_add+0x1c/0x140
[ 6286.680725][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6286.680725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.680725][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.680725][   T10]      netlink_unicast+0x449/0x710
[ 6286.680725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.680725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.680725][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.680725][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.680725][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.680725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.680725][   T10] 
[ 6286.682611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.682611][   T10]      dst_init+0x84/0x4a0
[ 6286.682611][   T10]      dst_alloc+0x97/0x150
[ 6286.682611][   T10]      ip6_dst_alloc+0x23/0x90
[ 6286.682611][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6286.682611][   T10]      ip6_pol_route+0x56f/0x840
[ 6286.682611][   T10]      fib6_rule_lookup+0x456/0x630
[ 6286.682611][   T10]      ip6_route_input+0x59c/0xa50
[ 6286.682611][   T10]      ipv6_rcv+0x397/0x810
[ 6286.682611][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6286.682611][   T10]      process_backlog+0x101/0x620
[ 6286.682611][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6286.682611][   T10]      net_rx_action+0x495/0xbe0
[ 6286.682611][   T10]      __do_softirq+0x1b5/0x7f6
[ 6286.682611][   T10] 
[ 6286.684245][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.684245][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.684245][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.684245][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.684245][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6286.684245][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6286.684245][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6286.684245][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6286.684245][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6286.684245][   T10]      addrconf_dad_begin+0x310/0x670
[ 6286.684245][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6286.684245][   T10]      process_one_work+0x84d/0x18a0
[ 6286.684245][   T10]      worker_thread+0x587/0xd30
[ 6286.684245][   T10]      kthread+0x28a/0x350
[ 6286.684245][   T10]      ret_from_fork+0x31/0x70
[ 6286.684245][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6286.684245][   T10] 
[ 6286.686153][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.686153][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.686153][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.686153][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.686153][   T10]      ip6_route_add+0x1c/0x140
[ 6286.686153][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6286.686153][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6286.686153][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.686153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.686153][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.686153][   T10]      netlink_unicast+0x449/0x710
[ 6286.686153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.686153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.686153][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.686153][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.686153][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.686153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.686153][   T10] 
[ 6286.688160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.688160][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.688160][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.688160][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.688160][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6286.688160][   T10]      ipv6_add_addr+0x411/0x2000
[ 6286.688160][   T10]      inet6_addr_add+0x30e/0xa40
[ 6286.688160][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.688160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.688160][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.688160][   T10]      netlink_unicast+0x449/0x710
[ 6286.688160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.688160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.688160][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.688160][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.688160][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.688160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.688160][   T10] 
[ 6286.690156][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.690156][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.690156][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.690156][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.690156][   T10]      ip6_route_add+0x1c/0x140
[ 6286.690156][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6286.690156][   T10]      addrconf_add_dev+0xe2/0x170
[ 6286.690156][   T10]      inet6_addr_add+0x12f/0xa40
[ 6286.690156][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.690156][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.690156][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.690156][   T10]      netlink_unicast+0x449/0x710
[ 6286.690156][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.690156][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.690156][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.690156][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.690156][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.690156][   T10] 
[ 6286.692252][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.692252][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6286.692252][   T10]      ipv6_find_idev+0x102/0x170
[ 6286.692252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.692252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.692252][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.692252][   T10]      netlink_unicast+0x449/0x710
[ 6286.692252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.692252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.692252][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.692252][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.692252][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.692252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.692252][   T10] 
[ 6286.693980][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6286.693980][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6286.693980][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6286.693980][   T10]      ipv6_find_idev+0x102/0x170
[ 6286.693980][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.693980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.693980][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.693980][   T10]      netlink_unicast+0x449/0x710
[ 6286.693980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.693980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.693980][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.693980][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.693980][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.693980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.693980][   T10] 
[ 6286.695915][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6286.696218][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6286.696218][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.696218][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.696218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.696218][   T10]      ip6_route_add+0x1c/0x140
[ 6286.696218][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6286.696218][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6286.696218][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.696218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.696218][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.696218][   T10]      netlink_unicast+0x449/0x710
[ 6286.696218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.696218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.696218][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.696218][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.696218][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.696218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.696218][   T10] 
[ 6286.698404][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6286.698404][   T10]      netdev_get_by_index+0x5e/0x80
[ 6286.698404][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6286.698404][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6286.698404][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6286.698404][   T10]      ipv6_add_addr+0x411/0x2000
[ 6286.698404][   T10]      inet6_addr_add+0x30e/0xa40
[ 6286.698404][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6286.698404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.698404][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.698404][   T10]      netlink_unicast+0x449/0x710
[ 6286.698404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.698404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.698404][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.698404][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.698404][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.698404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.698404][   T10] 
[ 6286.700583][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6286.700583][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6286.700583][   T10]      ipv6_find_idev+0x102/0x170
[ 6286.700583][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.700583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.700583][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.700583][   T10]      netlink_unicast+0x449/0x710
[ 6286.700583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.700583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.700583][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.700583][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.700583][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.700583][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.700583][   T10] 
[ 6286.702306][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6286.702306][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6286.702306][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6286.702306][   T10]      ipv6_find_idev+0x102/0x170
[ 6286.702306][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6286.702306][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6286.702306][   T10]      netlink_rcv_skb+0x130/0x360
[ 6286.702306][   T10]      netlink_unicast+0x449/0x710
[ 6286.702306][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6286.702306][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6286.702306][   T10]      ___sys_sendmsg+0xee/0x170
[ 6286.702306][   T10]      __sys_sendmsg+0xcd/0x170
[ 6286.702306][   T10]      do_syscall_64+0xc6/0x1e0
[ 6286.702306][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6286.702306][   T10] 
[ 6296.944729][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6296.945169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.945169][   T10]      dst_init+0x84/0x4a0
[ 6296.945169][   T10]      dst_alloc+0x97/0x150
[ 6296.945169][   T10]      ip6_dst_alloc+0x23/0x90
[ 6296.945169][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6296.945169][   T10]      ip6_pol_route+0x56f/0x840
[ 6296.945169][   T10]      fib6_rule_lookup+0x456/0x630
[ 6296.945169][   T10]      ip6_route_input+0x59c/0xa50
[ 6296.945169][   T10]      ipv6_rcv+0x397/0x810
[ 6296.945169][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6296.945169][   T10]      process_backlog+0x101/0x620
[ 6296.945169][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6296.945169][   T10]      net_rx_action+0x495/0xbe0
[ 6296.945169][   T10]      __do_softirq+0x1b5/0x7f6
[ 6296.945169][   T10] 
[ 6296.946878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.946878][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6296.946878][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6296.946878][   T10]      fib6_nh_init+0xa22/0x1580
[ 6296.946878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.946878][   T10]      ip6_route_add+0x1c/0x140
[ 6296.946878][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6296.946878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.946878][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.946878][   T10]      netlink_unicast+0x449/0x710
[ 6296.946878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.946878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.946878][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.946878][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.946878][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.946878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.946878][   T10] 
[ 6296.948780][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.948780][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.948780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.948780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.948780][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6296.948780][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6296.948780][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6296.948780][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6296.948780][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6296.948780][   T10]      addrconf_dad_begin+0x310/0x670
[ 6296.948780][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6296.948780][   T10]      process_one_work+0x84d/0x18a0
[ 6296.948780][   T10]      worker_thread+0x587/0xd30
[ 6296.948780][   T10]      kthread+0x28a/0x350
[ 6296.948780][   T10]      ret_from_fork+0x31/0x70
[ 6296.948780][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6296.948780][   T10] 
[ 6296.950710][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.950710][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.950710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.950710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.950710][   T10]      ip6_route_add+0x1c/0x140
[ 6296.950710][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6296.950710][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6296.950710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.950710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.950710][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.950710][   T10]      netlink_unicast+0x449/0x710
[ 6296.950710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.950710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.950710][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.950710][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.950710][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.950710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.950710][   T10] 
[ 6296.952721][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.952721][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.952721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.952721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.952721][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6296.952721][   T10]      ipv6_add_addr+0x411/0x2000
[ 6296.952721][   T10]      inet6_addr_add+0x30e/0xa40
[ 6296.952721][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.952721][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.952721][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.952721][   T10]      netlink_unicast+0x449/0x710
[ 6296.952721][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.952721][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.952721][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.952721][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.952721][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.952721][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.952721][   T10] 
[ 6296.954727][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.954727][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.954727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.954727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.954727][   T10]      ip6_route_add+0x1c/0x140
[ 6296.954727][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6296.954727][   T10]      addrconf_add_dev+0xe2/0x170
[ 6296.954727][   T10]      inet6_addr_add+0x12f/0xa40
[ 6296.954727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.954727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.954727][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.954727][   T10]      netlink_unicast+0x449/0x710
[ 6296.954727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.954727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.954727][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.954727][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.954727][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.954727][   T10] 
[ 6296.956694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.956694][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6296.956694][   T10]      ipv6_find_idev+0x102/0x170
[ 6296.956694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.956694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.956694][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.956694][   T10]      netlink_unicast+0x449/0x710
[ 6296.956694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.956694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.956694][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.956694][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.956694][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.956694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.956694][   T10] 
[ 6296.958251][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6296.958251][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6296.958251][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6296.958251][   T10]      ipv6_find_idev+0x102/0x170
[ 6296.958251][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.958251][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.958251][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.958251][   T10]      netlink_unicast+0x449/0x710
[ 6296.958251][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.958251][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.958251][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.958251][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.958251][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.958251][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.958251][   T10] 
[ 6296.959953][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6296.960192][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.960192][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6296.960192][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6296.960192][   T10]      fib6_nh_init+0xa22/0x1580
[ 6296.960192][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.960192][   T10]      ip6_route_add+0x1c/0x140
[ 6296.960192][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6296.960192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.960192][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.960192][   T10]      netlink_unicast+0x449/0x710
[ 6296.960192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.960192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.960192][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.960192][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.960192][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.960192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.960192][   T10] 
[ 6296.962086][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.962086][   T10]      dst_init+0x84/0x4a0
[ 6296.962086][   T10]      dst_alloc+0x97/0x150
[ 6296.962086][   T10]      ip6_dst_alloc+0x23/0x90
[ 6296.962086][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6296.962086][   T10]      ip6_pol_route+0x56f/0x840
[ 6296.962086][   T10]      fib6_rule_lookup+0x456/0x630
[ 6296.962086][   T10]      ip6_route_input+0x59c/0xa50
[ 6296.962086][   T10]      ipv6_rcv+0x397/0x810
[ 6296.962086][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6296.962086][   T10]      process_backlog+0x101/0x620
[ 6296.962086][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6296.962086][   T10]      net_rx_action+0x495/0xbe0
[ 6296.962086][   T10]      __do_softirq+0x1b5/0x7f6
[ 6296.962086][   T10] 
[ 6296.963728][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.963728][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.963728][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.963728][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.963728][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6296.963728][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6296.963728][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6296.963728][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6296.963728][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6296.963728][   T10]      addrconf_dad_begin+0x310/0x670
[ 6296.963728][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6296.963728][   T10]      process_one_work+0x84d/0x18a0
[ 6296.963728][   T10]      worker_thread+0x587/0xd30
[ 6296.963728][   T10]      kthread+0x28a/0x350
[ 6296.963728][   T10]      ret_from_fork+0x31/0x70
[ 6296.963728][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6296.963728][   T10] 
[ 6296.965640][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.965640][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.965640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.965640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.965640][   T10]      ip6_route_add+0x1c/0x140
[ 6296.965640][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6296.965640][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6296.965640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.965640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.965640][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.965640][   T10]      netlink_unicast+0x449/0x710
[ 6296.965640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.965640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.965640][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.965640][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.965640][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.965640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.965640][   T10] 
[ 6296.967646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.967646][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.967646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.967646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.967646][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6296.967646][   T10]      ipv6_add_addr+0x411/0x2000
[ 6296.967646][   T10]      inet6_addr_add+0x30e/0xa40
[ 6296.967646][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.967646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.967646][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.967646][   T10]      netlink_unicast+0x449/0x710
[ 6296.967646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.967646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.967646][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.967646][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.967646][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.967646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.967646][   T10] 
[ 6296.969655][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.969655][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.969655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.969655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.969655][   T10]      ip6_route_add+0x1c/0x140
[ 6296.969655][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6296.969655][   T10]      addrconf_add_dev+0xe2/0x170
[ 6296.969655][   T10]      inet6_addr_add+0x12f/0xa40
[ 6296.969655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.969655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.969655][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.969655][   T10]      netlink_unicast+0x449/0x710
[ 6296.969655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.969655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.969655][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.969655][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.969655][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.969655][   T10] 
[ 6296.971755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.971755][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6296.971755][   T10]      ipv6_find_idev+0x102/0x170
[ 6296.971755][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.971755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.971755][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.971755][   T10]      netlink_unicast+0x449/0x710
[ 6296.971755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.971755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.971755][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.971755][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.971755][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.971755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.971755][   T10] 
[ 6296.973485][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6296.973485][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6296.973485][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6296.973485][   T10]      ipv6_find_idev+0x102/0x170
[ 6296.973485][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.973485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.973485][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.973485][   T10]      netlink_unicast+0x449/0x710
[ 6296.973485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.973485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.973485][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.973485][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.973485][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.973485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.973485][   T10] 
[ 6296.975295][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6296.975594][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6296.975594][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.975594][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.975594][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.975594][   T10]      ip6_route_add+0x1c/0x140
[ 6296.975594][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6296.975594][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6296.975594][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.975594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.975594][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.975594][   T10]      netlink_unicast+0x449/0x710
[ 6296.975594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.975594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.975594][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.975594][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.975594][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.975594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.975594][   T10] 
[ 6296.977717][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6296.977717][   T10]      netdev_get_by_index+0x5e/0x80
[ 6296.977717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6296.977717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6296.977717][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6296.977717][   T10]      ipv6_add_addr+0x411/0x2000
[ 6296.977717][   T10]      inet6_addr_add+0x30e/0xa40
[ 6296.977717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6296.977717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.977717][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.977717][   T10]      netlink_unicast+0x449/0x710
[ 6296.977717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.977717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.977717][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.977717][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.977717][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.977717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.977717][   T10] 
[ 6296.979892][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6296.979892][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6296.979892][   T10]      ipv6_find_idev+0x102/0x170
[ 6296.979892][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.979892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.979892][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.979892][   T10]      netlink_unicast+0x449/0x710
[ 6296.979892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.979892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.979892][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.979892][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.979892][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.979892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.979892][   T10] 
[ 6296.981557][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6296.981557][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6296.981557][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6296.981557][   T10]      ipv6_find_idev+0x102/0x170
[ 6296.981557][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6296.981557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6296.981557][   T10]      netlink_rcv_skb+0x130/0x360
[ 6296.981557][   T10]      netlink_unicast+0x449/0x710
[ 6296.981557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6296.981557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6296.981557][   T10]      ___sys_sendmsg+0xee/0x170
[ 6296.981557][   T10]      __sys_sendmsg+0xcd/0x170
[ 6296.981557][   T10]      do_syscall_64+0xc6/0x1e0
[ 6296.981557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6296.981557][   T10] 
[ 6307.224770][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6307.225210][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.225210][   T10]      dst_init+0x84/0x4a0
[ 6307.225210][   T10]      dst_alloc+0x97/0x150
[ 6307.225210][   T10]      ip6_dst_alloc+0x23/0x90
[ 6307.225210][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6307.225210][   T10]      ip6_pol_route+0x56f/0x840
[ 6307.225210][   T10]      fib6_rule_lookup+0x456/0x630
[ 6307.225210][   T10]      ip6_route_input+0x59c/0xa50
[ 6307.225210][   T10]      ipv6_rcv+0x397/0x810
[ 6307.225210][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6307.225210][   T10]      process_backlog+0x101/0x620
[ 6307.225210][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6307.225210][   T10]      net_rx_action+0x495/0xbe0
[ 6307.225210][   T10]      __do_softirq+0x1b5/0x7f6
[ 6307.225210][   T10] 
[ 6307.226898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.226898][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6307.226898][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6307.226898][   T10]      fib6_nh_init+0xa22/0x1580
[ 6307.226898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.226898][   T10]      ip6_route_add+0x1c/0x140
[ 6307.226898][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6307.226898][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.226898][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.226898][   T10]      netlink_unicast+0x449/0x710
[ 6307.226898][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.226898][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.226898][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.226898][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.226898][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.226898][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.226898][   T10] 
[ 6307.228788][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.228788][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.228788][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.228788][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.228788][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6307.228788][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6307.228788][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6307.228788][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6307.228788][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6307.228788][   T10]      addrconf_dad_begin+0x310/0x670
[ 6307.228788][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6307.228788][   T10]      process_one_work+0x84d/0x18a0
[ 6307.228788][   T10]      worker_thread+0x587/0xd30
[ 6307.228788][   T10]      kthread+0x28a/0x350
[ 6307.228788][   T10]      ret_from_fork+0x31/0x70
[ 6307.228788][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6307.228788][   T10] 
[ 6307.230692][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.230692][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.230692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.230692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.230692][   T10]      ip6_route_add+0x1c/0x140
[ 6307.230692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6307.230692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6307.230692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.230692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.230692][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.230692][   T10]      netlink_unicast+0x449/0x710
[ 6307.230692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.230692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.230692][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.230692][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.230692][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.230692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.230692][   T10] 
[ 6307.232687][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.232687][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.232687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.232687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.232687][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6307.232687][   T10]      ipv6_add_addr+0x411/0x2000
[ 6307.232687][   T10]      inet6_addr_add+0x30e/0xa40
[ 6307.232687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.232687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.232687][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.232687][   T10]      netlink_unicast+0x449/0x710
[ 6307.232687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.232687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.232687][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.232687][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.232687][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.232687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.232687][   T10] 
[ 6307.234684][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.234684][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.234684][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.234684][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.234684][   T10]      ip6_route_add+0x1c/0x140
[ 6307.234684][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6307.234684][   T10]      addrconf_add_dev+0xe2/0x170
[ 6307.234684][   T10]      inet6_addr_add+0x12f/0xa40
[ 6307.234684][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.234684][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.234684][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.234684][   T10]      netlink_unicast+0x449/0x710
[ 6307.234684][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.234684][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.234684][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.234684][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.234684][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.234684][   T10] 
[ 6307.236708][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.236708][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6307.236708][   T10]      ipv6_find_idev+0x102/0x170
[ 6307.236708][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6307.236708][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.236708][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.236708][   T10]      netlink_unicast+0x449/0x710
[ 6307.236708][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.236708][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.236708][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.236708][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.236708][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.236708][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.236708][   T10] 
[ 6307.238265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6307.238265][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6307.238265][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6307.238265][   T10]      ipv6_find_idev+0x102/0x170
[ 6307.238265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6307.238265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.238265][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.238265][   T10]      netlink_unicast+0x449/0x710
[ 6307.238265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.238265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.238265][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.238265][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.238265][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.238265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.238265][   T10] 
[ 6307.239966][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6307.240222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.240222][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6307.240222][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6307.240222][   T10]      fib6_nh_init+0xa22/0x1580
[ 6307.240222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.240222][   T10]      ip6_route_add+0x1c/0x140
[ 6307.240222][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6307.240222][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.240222][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.240222][   T10]      netlink_unicast+0x449/0x710
[ 6307.240222][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.240222][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.240222][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.240222][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.240222][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.240222][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.240222][   T10] 
[ 6307.242097][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.242097][   T10]      dst_init+0x84/0x4a0
[ 6307.242097][   T10]      dst_alloc+0x97/0x150
[ 6307.242097][   T10]      ip6_dst_alloc+0x23/0x90
[ 6307.242097][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6307.242097][   T10]      ip6_pol_route+0x56f/0x840
[ 6307.242097][   T10]      fib6_rule_lookup+0x456/0x630
[ 6307.242097][   T10]      ip6_route_input+0x59c/0xa50
[ 6307.242097][   T10]      ipv6_rcv+0x397/0x810
[ 6307.242097][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6307.242097][   T10]      process_backlog+0x101/0x620
[ 6307.242097][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6307.242097][   T10]      net_rx_action+0x495/0xbe0
[ 6307.242097][   T10]      __do_softirq+0x1b5/0x7f6
[ 6307.242097][   T10] 
[ 6307.243747][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.243747][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.243747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.243747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.243747][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6307.243747][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6307.243747][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6307.243747][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6307.243747][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6307.243747][   T10]      addrconf_dad_begin+0x310/0x670
[ 6307.243747][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6307.243747][   T10]      process_one_work+0x84d/0x18a0
[ 6307.243747][   T10]      worker_thread+0x587/0xd30
[ 6307.243747][   T10]      kthread+0x28a/0x350
[ 6307.243747][   T10]      ret_from_fork+0x31/0x70
[ 6307.243747][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6307.243747][   T10] 
[ 6307.245673][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.245673][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.245673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.245673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.245673][   T10]      ip6_route_add+0x1c/0x140
[ 6307.245673][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6307.245673][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6307.245673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.245673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.245673][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.245673][   T10]      netlink_unicast+0x449/0x710
[ 6307.245673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.245673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.245673][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.245673][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.245673][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.245673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.245673][   T10] 
[ 6307.247672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.247672][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.247672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.247672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.247672][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6307.247672][   T10]      ipv6_add_addr+0x411/0x2000
[ 6307.247672][   T10]      inet6_addr_add+0x30e/0xa40
[ 6307.247672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.247672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.247672][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.247672][   T10]      netlink_unicast+0x449/0x710
[ 6307.247672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.247672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.247672][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.247672][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.247672][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.247672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.247672][   T10] 
[ 6307.249665][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.249665][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.249665][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.249665][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.249665][   T10]      ip6_route_add+0x1c/0x140
[ 6307.249665][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6307.249665][   T10]      addrconf_add_dev+0xe2/0x170
[ 6307.249665][   T10]      inet6_addr_add+0x12f/0xa40
[ 6307.249665][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.249665][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.249665][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.249665][   T10]      netlink_unicast+0x449/0x710
[ 6307.249665][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.249665][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.249665][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.249665][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.249665][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.249665][   T10] 
[ 6307.251760][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.251760][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6307.251760][   T10]      ipv6_find_idev+0x102/0x170
[ 6307.251760][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6307.251760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.251760][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.251760][   T10]      netlink_unicast+0x449/0x710
[ 6307.251760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.251760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.251760][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.251760][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.251760][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.251760][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.251760][   T10] 
[ 6307.253467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6307.253467][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6307.253467][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6307.253467][   T10]      ipv6_find_idev+0x102/0x170
[ 6307.253467][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6307.253467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.253467][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.253467][   T10]      netlink_unicast+0x449/0x710
[ 6307.253467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.253467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.253467][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.253467][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.253467][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.253467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.253467][   T10] 
[ 6307.255379][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6307.255689][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6307.255689][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.255689][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.255689][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.255689][   T10]      ip6_route_add+0x1c/0x140
[ 6307.255689][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6307.255689][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6307.255689][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.255689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.255689][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.255689][   T10]      netlink_unicast+0x449/0x710
[ 6307.255689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.255689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.255689][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.255689][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.255689][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.255689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.255689][   T10] 
[ 6307.257819][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6307.257819][   T10]      netdev_get_by_index+0x5e/0x80
[ 6307.257819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6307.257819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6307.257819][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6307.257819][   T10]      ipv6_add_addr+0x411/0x2000
[ 6307.257819][   T10]      inet6_addr_add+0x30e/0xa40
[ 6307.257819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6307.257819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.257819][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.257819][   T10]      netlink_unicast+0x449/0x710
[ 6307.257819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.257819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.257819][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.257819][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.257819][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.257819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.257819][   T10] 
[ 6307.259933][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6307.259933][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6307.259933][   T10]      ipv6_find_idev+0x102/0x170
[ 6307.259933][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6307.259933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.259933][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.259933][   T10]      netlink_unicast+0x449/0x710
[ 6307.259933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.259933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.259933][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.259933][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.259933][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.259933][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.259933][   T10] 
[ 6307.261524][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6307.261524][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6307.261524][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6307.261524][   T10]      ipv6_find_idev+0x102/0x170
[ 6307.261524][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6307.261524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6307.261524][   T10]      netlink_rcv_skb+0x130/0x360
[ 6307.261524][   T10]      netlink_unicast+0x449/0x710
[ 6307.261524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6307.261524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6307.261524][   T10]      ___sys_sendmsg+0xee/0x170
[ 6307.261524][   T10]      __sys_sendmsg+0xcd/0x170
[ 6307.261524][   T10]      do_syscall_64+0xc6/0x1e0
[ 6307.261524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6307.261524][   T10] 
[ 6317.504808][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6317.505191][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.505191][   T10]      dst_init+0x84/0x4a0
[ 6317.505191][   T10]      dst_alloc+0x97/0x150
[ 6317.505191][   T10]      ip6_dst_alloc+0x23/0x90
[ 6317.505191][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6317.505191][   T10]      ip6_pol_route+0x56f/0x840
[ 6317.505191][   T10]      fib6_rule_lookup+0x456/0x630
[ 6317.505191][   T10]      ip6_route_input+0x59c/0xa50
[ 6317.505191][   T10]      ipv6_rcv+0x397/0x810
[ 6317.505191][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6317.505191][   T10]      process_backlog+0x101/0x620
[ 6317.505191][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6317.505191][   T10]      net_rx_action+0x495/0xbe0
[ 6317.505191][   T10]      __do_softirq+0x1b5/0x7f6
[ 6317.505191][   T10] 
[ 6317.506866][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.506866][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6317.506866][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6317.506866][   T10]      fib6_nh_init+0xa22/0x1580
[ 6317.506866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.506866][   T10]      ip6_route_add+0x1c/0x140
[ 6317.506866][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6317.506866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.506866][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.506866][   T10]      netlink_unicast+0x449/0x710
[ 6317.506866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.506866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.506866][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.506866][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.506866][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.506866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.506866][   T10] 
[ 6317.508759][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.508759][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.508759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.508759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.508759][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6317.508759][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6317.508759][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6317.508759][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6317.508759][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6317.508759][   T10]      addrconf_dad_begin+0x310/0x670
[ 6317.508759][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6317.508759][   T10]      process_one_work+0x84d/0x18a0
[ 6317.508759][   T10]      worker_thread+0x587/0xd30
[ 6317.508759][   T10]      kthread+0x28a/0x350
[ 6317.508759][   T10]      ret_from_fork+0x31/0x70
[ 6317.508759][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6317.508759][   T10] 
[ 6317.510673][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.510673][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.510673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.510673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.510673][   T10]      ip6_route_add+0x1c/0x140
[ 6317.510673][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6317.510673][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6317.510673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.510673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.510673][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.510673][   T10]      netlink_unicast+0x449/0x710
[ 6317.510673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.510673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.510673][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.510673][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.510673][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.510673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.510673][   T10] 
[ 6317.512674][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.512674][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.512674][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.512674][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.512674][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6317.512674][   T10]      ipv6_add_addr+0x411/0x2000
[ 6317.512674][   T10]      inet6_addr_add+0x30e/0xa40
[ 6317.512674][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.512674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.512674][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.512674][   T10]      netlink_unicast+0x449/0x710
[ 6317.512674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.512674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.512674][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.512674][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.512674][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.512674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.512674][   T10] 
[ 6317.514679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.514679][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.514679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.514679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.514679][   T10]      ip6_route_add+0x1c/0x140
[ 6317.514679][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6317.514679][   T10]      addrconf_add_dev+0xe2/0x170
[ 6317.514679][   T10]      inet6_addr_add+0x12f/0xa40
[ 6317.514679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.514679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.514679][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.514679][   T10]      netlink_unicast+0x449/0x710
[ 6317.514679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.514679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.514679][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.514679][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.514679][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.514679][   T10] 
[ 6317.516650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.516650][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6317.516650][   T10]      ipv6_find_idev+0x102/0x170
[ 6317.516650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6317.516650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.516650][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.516650][   T10]      netlink_unicast+0x449/0x710
[ 6317.516650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.516650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.516650][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.516650][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.516650][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.516650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.516650][   T10] 
[ 6317.518189][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6317.518189][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6317.518189][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6317.518189][   T10]      ipv6_find_idev+0x102/0x170
[ 6317.518189][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6317.518189][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.518189][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.518189][   T10]      netlink_unicast+0x449/0x710
[ 6317.518189][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.518189][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.518189][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.518189][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.518189][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.518189][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.518189][   T10] 
[ 6317.519876][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6317.520118][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.520118][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6317.520118][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6317.520118][   T10]      fib6_nh_init+0xa22/0x1580
[ 6317.520118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.520118][   T10]      ip6_route_add+0x1c/0x140
[ 6317.520118][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6317.520118][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.520118][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.520118][   T10]      netlink_unicast+0x449/0x710
[ 6317.520118][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.520118][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.520118][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.520118][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.520118][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.520118][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.520118][   T10] 
[ 6317.522009][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.522009][   T10]      dst_init+0x84/0x4a0
[ 6317.522009][   T10]      dst_alloc+0x97/0x150
[ 6317.522009][   T10]      ip6_dst_alloc+0x23/0x90
[ 6317.522009][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6317.522009][   T10]      ip6_pol_route+0x56f/0x840
[ 6317.522009][   T10]      fib6_rule_lookup+0x456/0x630
[ 6317.522009][   T10]      ip6_route_input+0x59c/0xa50
[ 6317.522009][   T10]      ipv6_rcv+0x397/0x810
[ 6317.522009][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6317.522009][   T10]      process_backlog+0x101/0x620
[ 6317.522009][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6317.522009][   T10]      net_rx_action+0x495/0xbe0
[ 6317.522009][   T10]      __do_softirq+0x1b5/0x7f6
[ 6317.522009][   T10] 
[ 6317.523632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.523632][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.523632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.523632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.523632][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6317.523632][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6317.523632][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6317.523632][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6317.523632][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6317.523632][   T10]      addrconf_dad_begin+0x310/0x670
[ 6317.523632][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6317.523632][   T10]      process_one_work+0x84d/0x18a0
[ 6317.523632][   T10]      worker_thread+0x587/0xd30
[ 6317.523632][   T10]      kthread+0x28a/0x350
[ 6317.523632][   T10]      ret_from_fork+0x31/0x70
[ 6317.523632][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6317.523632][   T10] 
[ 6317.525539][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.525539][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.525539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.525539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.525539][   T10]      ip6_route_add+0x1c/0x140
[ 6317.525539][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6317.525539][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6317.525539][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.525539][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.525539][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.525539][   T10]      netlink_unicast+0x449/0x710
[ 6317.525539][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.525539][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.525539][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.525539][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.525539][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.525539][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.525539][   T10] 
[ 6317.527533][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.527533][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.527533][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.527533][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.527533][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6317.527533][   T10]      ipv6_add_addr+0x411/0x2000
[ 6317.527533][   T10]      inet6_addr_add+0x30e/0xa40
[ 6317.527533][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.527533][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.527533][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.527533][   T10]      netlink_unicast+0x449/0x710
[ 6317.527533][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.527533][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.527533][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.527533][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.527533][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.527533][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.527533][   T10] 
[ 6317.529542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.529542][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.529542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.529542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.529542][   T10]      ip6_route_add+0x1c/0x140
[ 6317.529542][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6317.529542][   T10]      addrconf_add_dev+0xe2/0x170
[ 6317.529542][   T10]      inet6_addr_add+0x12f/0xa40
[ 6317.529542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.529542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.529542][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.529542][   T10]      netlink_unicast+0x449/0x710
[ 6317.529542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.529542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.529542][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.529542][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.529542][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.529542][   T10] 
[ 6317.531689][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.531689][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6317.531689][   T10]      ipv6_find_idev+0x102/0x170
[ 6317.531689][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6317.531689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.531689][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.531689][   T10]      netlink_unicast+0x449/0x710
[ 6317.531689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.531689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.531689][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.531689][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.531689][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.531689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.531689][   T10] 
[ 6317.533464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6317.533464][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6317.533464][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6317.533464][   T10]      ipv6_find_idev+0x102/0x170
[ 6317.533464][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6317.533464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.533464][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.533464][   T10]      netlink_unicast+0x449/0x710
[ 6317.533464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.533464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.533464][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.533464][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.533464][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.533464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.533464][   T10] 
[ 6317.535321][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6317.535562][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6317.535562][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.535562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.535562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.535562][   T10]      ip6_route_add+0x1c/0x140
[ 6317.535562][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6317.535562][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6317.535562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.535562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.535562][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.535562][   T10]      netlink_unicast+0x449/0x710
[ 6317.535562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.535562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.535562][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.535562][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.535562][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.535562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.535562][   T10] 
[ 6317.537766][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6317.537766][   T10]      netdev_get_by_index+0x5e/0x80
[ 6317.537766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6317.537766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6317.537766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6317.537766][   T10]      ipv6_add_addr+0x411/0x2000
[ 6317.537766][   T10]      inet6_addr_add+0x30e/0xa40
[ 6317.537766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6317.537766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.537766][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.537766][   T10]      netlink_unicast+0x449/0x710
[ 6317.537766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.537766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.537766][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.537766][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.537766][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.537766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.537766][   T10] 
[ 6317.539994][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6317.539994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6317.539994][   T10]      ipv6_find_idev+0x102/0x170
[ 6317.539994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6317.539994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.539994][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.539994][   T10]      netlink_unicast+0x449/0x710
[ 6317.539994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.539994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.539994][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.539994][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.539994][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.539994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.539994][   T10] 
[ 6317.541709][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6317.541709][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6317.541709][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6317.541709][   T10]      ipv6_find_idev+0x102/0x170
[ 6317.541709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6317.541709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6317.541709][   T10]      netlink_rcv_skb+0x130/0x360
[ 6317.541709][   T10]      netlink_unicast+0x449/0x710
[ 6317.541709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6317.541709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6317.541709][   T10]      ___sys_sendmsg+0xee/0x170
[ 6317.541709][   T10]      __sys_sendmsg+0xcd/0x170
[ 6317.541709][   T10]      do_syscall_64+0xc6/0x1e0
[ 6317.541709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6317.541709][   T10] 
[ 6327.552803][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6327.553510][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.553510][   T10]      dst_init+0x84/0x4a0
[ 6327.553510][   T10]      dst_alloc+0x97/0x150
[ 6327.553510][   T10]      ip6_dst_alloc+0x23/0x90
[ 6327.553510][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6327.553510][   T10]      ip6_pol_route+0x56f/0x840
[ 6327.553510][   T10]      fib6_rule_lookup+0x456/0x630
[ 6327.553510][   T10]      ip6_route_input+0x59c/0xa50
[ 6327.553510][   T10]      ipv6_rcv+0x397/0x810
[ 6327.553510][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6327.553510][   T10]      process_backlog+0x101/0x620
[ 6327.553510][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6327.553510][   T10]      net_rx_action+0x495/0xbe0
[ 6327.553510][   T10]      __do_softirq+0x1b5/0x7f6
[ 6327.553510][   T10] 
[ 6327.555169][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.555169][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6327.555169][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6327.555169][   T10]      fib6_nh_init+0xa22/0x1580
[ 6327.555169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.555169][   T10]      ip6_route_add+0x1c/0x140
[ 6327.555169][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6327.555169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.555169][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.555169][   T10]      netlink_unicast+0x449/0x710
[ 6327.555169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.555169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.555169][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.555169][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.555169][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.555169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.555169][   T10] 
[ 6327.557087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.557087][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.557087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.557087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.557087][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6327.557087][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6327.557087][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6327.557087][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6327.557087][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6327.557087][   T10]      addrconf_dad_begin+0x310/0x670
[ 6327.557087][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6327.557087][   T10]      process_one_work+0x84d/0x18a0
[ 6327.557087][   T10]      worker_thread+0x587/0xd30
[ 6327.557087][   T10]      kthread+0x28a/0x350
[ 6327.557087][   T10]      ret_from_fork+0x31/0x70
[ 6327.557087][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6327.557087][   T10] 
[ 6327.559043][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.559043][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.559043][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.559043][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.559043][   T10]      ip6_route_add+0x1c/0x140
[ 6327.559043][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6327.559043][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6327.559043][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.559043][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.559043][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.559043][   T10]      netlink_unicast+0x449/0x710
[ 6327.559043][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.559043][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.559043][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.559043][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.559043][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.559043][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.559043][   T10] 
[ 6327.561039][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.561039][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.561039][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.561039][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.561039][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6327.561039][   T10]      ipv6_add_addr+0x411/0x2000
[ 6327.561039][   T10]      inet6_addr_add+0x30e/0xa40
[ 6327.561039][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.561039][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.561039][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.561039][   T10]      netlink_unicast+0x449/0x710
[ 6327.561039][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.561039][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.561039][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.561039][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.561039][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.561039][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.561039][   T10] 
[ 6327.563047][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.563047][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.563047][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.563047][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.563047][   T10]      ip6_route_add+0x1c/0x140
[ 6327.563047][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6327.563047][   T10]      addrconf_add_dev+0xe2/0x170
[ 6327.563047][   T10]      inet6_addr_add+0x12f/0xa40
[ 6327.563047][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.563047][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.563047][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.563047][   T10]      netlink_unicast+0x449/0x710
[ 6327.563047][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.563047][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.563047][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.563047][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.563047][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.563047][   T10] 
[ 6327.565028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.565028][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6327.565028][   T10]      ipv6_find_idev+0x102/0x170
[ 6327.565028][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6327.565028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.565028][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.565028][   T10]      netlink_unicast+0x449/0x710
[ 6327.565028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.565028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.565028][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.565028][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.565028][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.565028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.565028][   T10] 
[ 6327.566566][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6327.566566][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6327.566566][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6327.566566][   T10]      ipv6_find_idev+0x102/0x170
[ 6327.566566][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6327.566566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.566566][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.566566][   T10]      netlink_unicast+0x449/0x710
[ 6327.566566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.566566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.566566][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.566566][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.566566][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.566566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.566566][   T10] 
[ 6327.568275][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6327.568512][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.568512][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6327.568512][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6327.568512][   T10]      fib6_nh_init+0xa22/0x1580
[ 6327.568512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.568512][   T10]      ip6_route_add+0x1c/0x140
[ 6327.568512][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6327.568512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.568512][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.568512][   T10]      netlink_unicast+0x449/0x710
[ 6327.568512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.568512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.568512][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.568512][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.568512][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.568512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.568512][   T10] 
[ 6327.570394][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.570394][   T10]      dst_init+0x84/0x4a0
[ 6327.570394][   T10]      dst_alloc+0x97/0x150
[ 6327.570394][   T10]      ip6_dst_alloc+0x23/0x90
[ 6327.570394][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6327.570394][   T10]      ip6_pol_route+0x56f/0x840
[ 6327.570394][   T10]      fib6_rule_lookup+0x456/0x630
[ 6327.570394][   T10]      ip6_route_input+0x59c/0xa50
[ 6327.570394][   T10]      ipv6_rcv+0x397/0x810
[ 6327.570394][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6327.570394][   T10]      process_backlog+0x101/0x620
[ 6327.570394][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6327.570394][   T10]      net_rx_action+0x495/0xbe0
[ 6327.570394][   T10]      __do_softirq+0x1b5/0x7f6
[ 6327.570394][   T10] 
[ 6327.572035][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.572035][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.572035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.572035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.572035][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6327.572035][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6327.572035][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6327.572035][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6327.572035][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6327.572035][   T10]      addrconf_dad_begin+0x310/0x670
[ 6327.572035][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6327.572035][   T10]      process_one_work+0x84d/0x18a0
[ 6327.572035][   T10]      worker_thread+0x587/0xd30
[ 6327.572035][   T10]      kthread+0x28a/0x350
[ 6327.572035][   T10]      ret_from_fork+0x31/0x70
[ 6327.572035][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6327.572035][   T10] 
[ 6327.573944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.573944][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.573944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.573944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.573944][   T10]      ip6_route_add+0x1c/0x140
[ 6327.573944][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6327.573944][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6327.573944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.573944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.573944][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.573944][   T10]      netlink_unicast+0x449/0x710
[ 6327.573944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.573944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.573944][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.573944][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.573944][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.573944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.573944][   T10] 
[ 6327.575947][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.575947][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.575947][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.575947][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.575947][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6327.575947][   T10]      ipv6_add_addr+0x411/0x2000
[ 6327.575947][   T10]      inet6_addr_add+0x30e/0xa40
[ 6327.575947][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.575947][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.575947][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.575947][   T10]      netlink_unicast+0x449/0x710
[ 6327.575947][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.575947][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.575947][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.575947][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.575947][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.575947][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.575947][   T10] 
[ 6327.577952][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.577952][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.577952][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.577952][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.577952][   T10]      ip6_route_add+0x1c/0x140
[ 6327.577952][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6327.577952][   T10]      addrconf_add_dev+0xe2/0x170
[ 6327.577952][   T10]      inet6_addr_add+0x12f/0xa40
[ 6327.577952][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.577952][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.577952][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.577952][   T10]      netlink_unicast+0x449/0x710
[ 6327.577952][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.577952][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.577952][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.577952][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.577952][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.577952][   T10] 
[ 6327.580105][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.580105][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6327.580105][   T10]      ipv6_find_idev+0x102/0x170
[ 6327.580105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6327.580105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.580105][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.580105][   T10]      netlink_unicast+0x449/0x710
[ 6327.580105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.580105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.580105][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.580105][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.580105][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.580105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.580105][   T10] 
[ 6327.581826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6327.581826][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6327.581826][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6327.581826][   T10]      ipv6_find_idev+0x102/0x170
[ 6327.581826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6327.581826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.581826][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.581826][   T10]      netlink_unicast+0x449/0x710
[ 6327.581826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.581826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.581826][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.581826][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.581826][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.581826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.581826][   T10] 
[ 6327.583743][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6327.583983][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6327.583983][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.583983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.583983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.583983][   T10]      ip6_route_add+0x1c/0x140
[ 6327.583983][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6327.583983][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6327.583983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.583983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.583983][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.583983][   T10]      netlink_unicast+0x449/0x710
[ 6327.583983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.583983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.583983][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.583983][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.583983][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.583983][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.583983][   T10] 
[ 6327.586221][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6327.586221][   T10]      netdev_get_by_index+0x5e/0x80
[ 6327.586221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6327.586221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6327.586221][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6327.586221][   T10]      ipv6_add_addr+0x411/0x2000
[ 6327.586221][   T10]      inet6_addr_add+0x30e/0xa40
[ 6327.586221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6327.586221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.586221][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.586221][   T10]      netlink_unicast+0x449/0x710
[ 6327.586221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.586221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.586221][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.586221][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.586221][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.586221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.586221][   T10] 
[ 6327.588472][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6327.588472][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6327.588472][   T10]      ipv6_find_idev+0x102/0x170
[ 6327.588472][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6327.588472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.588472][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.588472][   T10]      netlink_unicast+0x449/0x710
[ 6327.588472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.588472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.588472][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.588472][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.588472][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.588472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.588472][   T10] 
[ 6327.590214][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6327.590214][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6327.590214][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6327.590214][   T10]      ipv6_find_idev+0x102/0x170
[ 6327.590214][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6327.590214][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6327.590214][   T10]      netlink_rcv_skb+0x130/0x360
[ 6327.590214][   T10]      netlink_unicast+0x449/0x710
[ 6327.590214][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6327.590214][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6327.590214][   T10]      ___sys_sendmsg+0xee/0x170
[ 6327.590214][   T10]      __sys_sendmsg+0xcd/0x170
[ 6327.590214][   T10]      do_syscall_64+0xc6/0x1e0
[ 6327.590214][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6327.590214][   T10] 
[ 6337.656756][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6337.657195][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.657195][   T10]      dst_init+0x84/0x4a0
[ 6337.657195][   T10]      dst_alloc+0x97/0x150
[ 6337.657195][   T10]      ip6_dst_alloc+0x23/0x90
[ 6337.657195][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6337.657195][   T10]      ip6_pol_route+0x56f/0x840
[ 6337.657195][   T10]      fib6_rule_lookup+0x456/0x630
[ 6337.657195][   T10]      ip6_route_input+0x59c/0xa50
[ 6337.657195][   T10]      ipv6_rcv+0x397/0x810
[ 6337.657195][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6337.657195][   T10]      process_backlog+0x101/0x620
[ 6337.657195][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6337.657195][   T10]      net_rx_action+0x495/0xbe0
[ 6337.657195][   T10]      __do_softirq+0x1b5/0x7f6
[ 6337.657195][   T10] 
[ 6337.658869][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.658869][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6337.658869][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6337.658869][   T10]      fib6_nh_init+0xa22/0x1580
[ 6337.658869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.658869][   T10]      ip6_route_add+0x1c/0x140
[ 6337.658869][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6337.658869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.658869][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.658869][   T10]      netlink_unicast+0x449/0x710
[ 6337.658869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.658869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.658869][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.658869][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.658869][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.658869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.658869][   T10] 
[ 6337.660755][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.660755][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.660755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.660755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.660755][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6337.660755][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6337.660755][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6337.660755][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6337.660755][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6337.660755][   T10]      addrconf_dad_begin+0x310/0x670
[ 6337.660755][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6337.660755][   T10]      process_one_work+0x84d/0x18a0
[ 6337.660755][   T10]      worker_thread+0x587/0xd30
[ 6337.660755][   T10]      kthread+0x28a/0x350
[ 6337.660755][   T10]      ret_from_fork+0x31/0x70
[ 6337.660755][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6337.660755][   T10] 
[ 6337.662664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.662664][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.662664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.662664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.662664][   T10]      ip6_route_add+0x1c/0x140
[ 6337.662664][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6337.662664][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6337.662664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.662664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.662664][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.662664][   T10]      netlink_unicast+0x449/0x710
[ 6337.662664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.662664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.662664][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.662664][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.662664][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.662664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.662664][   T10] 
[ 6337.664666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.664666][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.664666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.664666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.664666][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6337.664666][   T10]      ipv6_add_addr+0x411/0x2000
[ 6337.664666][   T10]      inet6_addr_add+0x30e/0xa40
[ 6337.664666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.664666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.664666][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.664666][   T10]      netlink_unicast+0x449/0x710
[ 6337.664666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.664666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.664666][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.664666][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.664666][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.664666][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.664666][   T10] 
[ 6337.666690][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.666690][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.666690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.666690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.666690][   T10]      ip6_route_add+0x1c/0x140
[ 6337.666690][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6337.666690][   T10]      addrconf_add_dev+0xe2/0x170
[ 6337.666690][   T10]      inet6_addr_add+0x12f/0xa40
[ 6337.666690][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.666690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.666690][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.666690][   T10]      netlink_unicast+0x449/0x710
[ 6337.666690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.666690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.666690][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.666690][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.666690][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.666690][   T10] 
[ 6337.668650][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.668650][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6337.668650][   T10]      ipv6_find_idev+0x102/0x170
[ 6337.668650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6337.668650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.668650][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.668650][   T10]      netlink_unicast+0x449/0x710
[ 6337.668650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.668650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.668650][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.668650][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.668650][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.668650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.668650][   T10] 
[ 6337.670191][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6337.670191][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6337.670191][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6337.670191][   T10]      ipv6_find_idev+0x102/0x170
[ 6337.670191][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6337.670191][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.670191][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.670191][   T10]      netlink_unicast+0x449/0x710
[ 6337.670191][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.670191][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.670191][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.670191][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.670191][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.670191][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.670191][   T10] 
[ 6337.671883][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6337.672127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.672127][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6337.672127][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6337.672127][   T10]      fib6_nh_init+0xa22/0x1580
[ 6337.672127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.672127][   T10]      ip6_route_add+0x1c/0x140
[ 6337.672127][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6337.672127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.672127][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.672127][   T10]      netlink_unicast+0x449/0x710
[ 6337.672127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.672127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.672127][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.672127][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.672127][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.672127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.672127][   T10] 
[ 6337.674007][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.674007][   T10]      dst_init+0x84/0x4a0
[ 6337.674007][   T10]      dst_alloc+0x97/0x150
[ 6337.674007][   T10]      ip6_dst_alloc+0x23/0x90
[ 6337.674007][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6337.674007][   T10]      ip6_pol_route+0x56f/0x840
[ 6337.674007][   T10]      fib6_rule_lookup+0x456/0x630
[ 6337.674007][   T10]      ip6_route_input+0x59c/0xa50
[ 6337.674007][   T10]      ipv6_rcv+0x397/0x810
[ 6337.674007][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6337.674007][   T10]      process_backlog+0x101/0x620
[ 6337.674007][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6337.674007][   T10]      net_rx_action+0x495/0xbe0
[ 6337.674007][   T10]      __do_softirq+0x1b5/0x7f6
[ 6337.674007][   T10] 
[ 6337.675639][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.675639][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.675639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.675639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.675639][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6337.675639][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6337.675639][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6337.675639][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6337.675639][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6337.675639][   T10]      addrconf_dad_begin+0x310/0x670
[ 6337.675639][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6337.675639][   T10]      process_one_work+0x84d/0x18a0
[ 6337.675639][   T10]      worker_thread+0x587/0xd30
[ 6337.675639][   T10]      kthread+0x28a/0x350
[ 6337.675639][   T10]      ret_from_fork+0x31/0x70
[ 6337.675639][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6337.675639][   T10] 
[ 6337.677562][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.677562][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.677562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.677562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.677562][   T10]      ip6_route_add+0x1c/0x140
[ 6337.677562][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6337.677562][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6337.677562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.677562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.677562][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.677562][   T10]      netlink_unicast+0x449/0x710
[ 6337.677562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.677562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.677562][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.677562][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.677562][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.677562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.677562][   T10] 
[ 6337.679556][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.679556][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.679556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.679556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.679556][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6337.679556][   T10]      ipv6_add_addr+0x411/0x2000
[ 6337.679556][   T10]      inet6_addr_add+0x30e/0xa40
[ 6337.679556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.679556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.679556][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.679556][   T10]      netlink_unicast+0x449/0x710
[ 6337.679556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.679556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.679556][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.679556][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.679556][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.679556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.679556][   T10] 
[ 6337.681547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.681547][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.681547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.681547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.681547][   T10]      ip6_route_add+0x1c/0x140
[ 6337.681547][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6337.681547][   T10]      addrconf_add_dev+0xe2/0x170
[ 6337.681547][   T10]      inet6_addr_add+0x12f/0xa40
[ 6337.681547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.681547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.681547][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.681547][   T10]      netlink_unicast+0x449/0x710
[ 6337.681547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.681547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.681547][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.681547][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.681547][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.681547][   T10] 
[ 6337.683691][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.683691][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6337.683691][   T10]      ipv6_find_idev+0x102/0x170
[ 6337.683691][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6337.683691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.683691][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.683691][   T10]      netlink_unicast+0x449/0x710
[ 6337.683691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.683691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.683691][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.683691][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.683691][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.683691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.683691][   T10] 
[ 6337.685416][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6337.685416][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6337.685416][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6337.685416][   T10]      ipv6_find_idev+0x102/0x170
[ 6337.685416][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6337.685416][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.685416][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.685416][   T10]      netlink_unicast+0x449/0x710
[ 6337.685416][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.685416][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.685416][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.685416][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.685416][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.685416][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.685416][   T10] 
[ 6337.687285][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6337.687578][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6337.687578][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.687578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.687578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.687578][   T10]      ip6_route_add+0x1c/0x140
[ 6337.687578][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6337.687578][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6337.687578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.687578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.687578][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.687578][   T10]      netlink_unicast+0x449/0x710
[ 6337.687578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.687578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.687578][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.687578][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.687578][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.687578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.687578][   T10] 
[ 6337.689818][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6337.689818][   T10]      netdev_get_by_index+0x5e/0x80
[ 6337.689818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6337.689818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6337.689818][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6337.689818][   T10]      ipv6_add_addr+0x411/0x2000
[ 6337.689818][   T10]      inet6_addr_add+0x30e/0xa40
[ 6337.689818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6337.689818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.689818][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.689818][   T10]      netlink_unicast+0x449/0x710
[ 6337.689818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.689818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.689818][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.689818][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.689818][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.689818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.689818][   T10] 
[ 6337.692062][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6337.692062][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6337.692062][   T10]      ipv6_find_idev+0x102/0x170
[ 6337.692062][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6337.692062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.692062][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.692062][   T10]      netlink_unicast+0x449/0x710
[ 6337.692062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.692062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.692062][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.692062][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.692062][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.692062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.692062][   T10] 
[ 6337.693716][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6337.693716][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6337.693716][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6337.693716][   T10]      ipv6_find_idev+0x102/0x170
[ 6337.693716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6337.693716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6337.693716][   T10]      netlink_rcv_skb+0x130/0x360
[ 6337.693716][   T10]      netlink_unicast+0x449/0x710
[ 6337.693716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6337.693716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6337.693716][   T10]      ___sys_sendmsg+0xee/0x170
[ 6337.693716][   T10]      __sys_sendmsg+0xcd/0x170
[ 6337.693716][   T10]      do_syscall_64+0xc6/0x1e0
[ 6337.693716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6337.693716][   T10] 
[ 6347.936708][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6347.937163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.937163][   T10]      dst_init+0x84/0x4a0
[ 6347.937163][   T10]      dst_alloc+0x97/0x150
[ 6347.937163][   T10]      ip6_dst_alloc+0x23/0x90
[ 6347.937163][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6347.937163][   T10]      ip6_pol_route+0x56f/0x840
[ 6347.937163][   T10]      fib6_rule_lookup+0x456/0x630
[ 6347.937163][   T10]      ip6_route_input+0x59c/0xa50
[ 6347.937163][   T10]      ipv6_rcv+0x397/0x810
[ 6347.937163][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6347.937163][   T10]      process_backlog+0x101/0x620
[ 6347.937163][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6347.937163][   T10]      net_rx_action+0x495/0xbe0
[ 6347.937163][   T10]      __do_softirq+0x1b5/0x7f6
[ 6347.937163][   T10] 
[ 6347.938836][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.938836][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6347.938836][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6347.938836][   T10]      fib6_nh_init+0xa22/0x1580
[ 6347.938836][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.938836][   T10]      ip6_route_add+0x1c/0x140
[ 6347.938836][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6347.938836][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.938836][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.938836][   T10]      netlink_unicast+0x449/0x710
[ 6347.938836][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.938836][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.938836][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.938836][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.938836][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.938836][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.938836][   T10] 
[ 6347.940749][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.940749][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.940749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.940749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.940749][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6347.940749][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6347.940749][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6347.940749][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6347.940749][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6347.940749][   T10]      addrconf_dad_begin+0x310/0x670
[ 6347.940749][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6347.940749][   T10]      process_one_work+0x84d/0x18a0
[ 6347.940749][   T10]      worker_thread+0x587/0xd30
[ 6347.940749][   T10]      kthread+0x28a/0x350
[ 6347.940749][   T10]      ret_from_fork+0x31/0x70
[ 6347.940749][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6347.940749][   T10] 
[ 6347.942655][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.942655][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.942655][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.942655][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.942655][   T10]      ip6_route_add+0x1c/0x140
[ 6347.942655][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6347.942655][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6347.942655][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.942655][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.942655][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.942655][   T10]      netlink_unicast+0x449/0x710
[ 6347.942655][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.942655][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.942655][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.942655][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.942655][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.942655][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.942655][   T10] 
[ 6347.944651][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.944651][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.944651][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.944651][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.944651][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6347.944651][   T10]      ipv6_add_addr+0x411/0x2000
[ 6347.944651][   T10]      inet6_addr_add+0x30e/0xa40
[ 6347.944651][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.944651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.944651][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.944651][   T10]      netlink_unicast+0x449/0x710
[ 6347.944651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.944651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.944651][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.944651][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.944651][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.944651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.944651][   T10] 
[ 6347.946666][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.946666][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.946666][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.946666][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.946666][   T10]      ip6_route_add+0x1c/0x140
[ 6347.946666][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6347.946666][   T10]      addrconf_add_dev+0xe2/0x170
[ 6347.946666][   T10]      inet6_addr_add+0x12f/0xa40
[ 6347.946666][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.946666][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.946666][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.946666][   T10]      netlink_unicast+0x449/0x710
[ 6347.946666][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.946666][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.946666][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.946666][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.946666][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.946666][   T10] 
[ 6347.948641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.948641][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6347.948641][   T10]      ipv6_find_idev+0x102/0x170
[ 6347.948641][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6347.948641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.948641][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.948641][   T10]      netlink_unicast+0x449/0x710
[ 6347.948641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.948641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.948641][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.948641][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.948641][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.948641][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.948641][   T10] 
[ 6347.950184][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6347.950184][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6347.950184][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6347.950184][   T10]      ipv6_find_idev+0x102/0x170
[ 6347.950184][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6347.950184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.950184][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.950184][   T10]      netlink_unicast+0x449/0x710
[ 6347.950184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.950184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.950184][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.950184][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.950184][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.950184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.950184][   T10] 
[ 6347.951878][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6347.952114][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.952114][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6347.952114][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6347.952114][   T10]      fib6_nh_init+0xa22/0x1580
[ 6347.952114][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.952114][   T10]      ip6_route_add+0x1c/0x140
[ 6347.952114][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6347.952114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.952114][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.952114][   T10]      netlink_unicast+0x449/0x710
[ 6347.952114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.952114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.952114][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.952114][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.952114][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.952114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.952114][   T10] 
[ 6347.953999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.953999][   T10]      dst_init+0x84/0x4a0
[ 6347.953999][   T10]      dst_alloc+0x97/0x150
[ 6347.953999][   T10]      ip6_dst_alloc+0x23/0x90
[ 6347.953999][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6347.953999][   T10]      ip6_pol_route+0x56f/0x840
[ 6347.953999][   T10]      fib6_rule_lookup+0x456/0x630
[ 6347.953999][   T10]      ip6_route_input+0x59c/0xa50
[ 6347.953999][   T10]      ipv6_rcv+0x397/0x810
[ 6347.953999][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6347.953999][   T10]      process_backlog+0x101/0x620
[ 6347.953999][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6347.953999][   T10]      net_rx_action+0x495/0xbe0
[ 6347.953999][   T10]      __do_softirq+0x1b5/0x7f6
[ 6347.953999][   T10] 
[ 6347.955632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.955632][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.955632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.955632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.955632][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6347.955632][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6347.955632][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6347.955632][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6347.955632][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6347.955632][   T10]      addrconf_dad_begin+0x310/0x670
[ 6347.955632][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6347.955632][   T10]      process_one_work+0x84d/0x18a0
[ 6347.955632][   T10]      worker_thread+0x587/0xd30
[ 6347.955632][   T10]      kthread+0x28a/0x350
[ 6347.955632][   T10]      ret_from_fork+0x31/0x70
[ 6347.955632][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6347.955632][   T10] 
[ 6347.958087][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.958087][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.958087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.958087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.958087][   T10]      ip6_route_add+0x1c/0x140
[ 6347.958087][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6347.958087][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6347.958087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.958087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.958087][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.958087][   T10]      netlink_unicast+0x449/0x710
[ 6347.958087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.958087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.958087][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.958087][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.958087][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.958087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.958087][   T10] 
[ 6347.960089][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.960089][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.960089][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.960089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.960089][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6347.960089][   T10]      ipv6_add_addr+0x411/0x2000
[ 6347.960089][   T10]      inet6_addr_add+0x30e/0xa40
[ 6347.960089][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.960089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.960089][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.960089][   T10]      netlink_unicast+0x449/0x710
[ 6347.960089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.960089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.960089][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.960089][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.960089][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.960089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.960089][   T10] 
[ 6347.962098][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.962098][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.962098][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.962098][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.962098][   T10]      ip6_route_add+0x1c/0x140
[ 6347.962098][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6347.962098][   T10]      addrconf_add_dev+0xe2/0x170
[ 6347.962098][   T10]      inet6_addr_add+0x12f/0xa40
[ 6347.962098][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.962098][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.962098][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.962098][   T10]      netlink_unicast+0x449/0x710
[ 6347.962098][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.962098][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.962098][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.962098][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.962098][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.962098][   T10] 
[ 6347.964179][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.964179][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6347.964179][   T10]      ipv6_find_idev+0x102/0x170
[ 6347.964179][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6347.964179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.964179][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.964179][   T10]      netlink_unicast+0x449/0x710
[ 6347.964179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.964179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.964179][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.964179][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.964179][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.964179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.964179][   T10] 
[ 6347.965897][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6347.965897][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6347.965897][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6347.965897][   T10]      ipv6_find_idev+0x102/0x170
[ 6347.965897][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6347.965897][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.965897][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.965897][   T10]      netlink_unicast+0x449/0x710
[ 6347.965897][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.965897][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.965897][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.965897][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.965897][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.965897][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.965897][   T10] 
[ 6347.967756][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6347.968055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6347.968055][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.968055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.968055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.968055][   T10]      ip6_route_add+0x1c/0x140
[ 6347.968055][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6347.968055][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6347.968055][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.968055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.968055][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.968055][   T10]      netlink_unicast+0x449/0x710
[ 6347.968055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.968055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.968055][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.968055][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.968055][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.968055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.968055][   T10] 
[ 6347.970294][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6347.970294][   T10]      netdev_get_by_index+0x5e/0x80
[ 6347.970294][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6347.970294][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6347.970294][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6347.970294][   T10]      ipv6_add_addr+0x411/0x2000
[ 6347.970294][   T10]      inet6_addr_add+0x30e/0xa40
[ 6347.970294][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6347.970294][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.970294][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.970294][   T10]      netlink_unicast+0x449/0x710
[ 6347.970294][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.970294][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.970294][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.970294][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.970294][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.970294][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.970294][   T10] 
[ 6347.972536][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6347.972536][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6347.972536][   T10]      ipv6_find_idev+0x102/0x170
[ 6347.972536][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6347.972536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.972536][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.972536][   T10]      netlink_unicast+0x449/0x710
[ 6347.972536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.972536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.972536][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.972536][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.972536][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.972536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.972536][   T10] 
[ 6347.974252][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6347.974252][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6347.974252][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6347.974252][   T10]      ipv6_find_idev+0x102/0x170
[ 6347.974252][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6347.974252][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6347.974252][   T10]      netlink_rcv_skb+0x130/0x360
[ 6347.974252][   T10]      netlink_unicast+0x449/0x710
[ 6347.974252][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6347.974252][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6347.974252][   T10]      ___sys_sendmsg+0xee/0x170
[ 6347.974252][   T10]      __sys_sendmsg+0xcd/0x170
[ 6347.974252][   T10]      do_syscall_64+0xc6/0x1e0
[ 6347.974252][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6347.974252][   T10] 
[ 6358.216738][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6358.217515][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.217515][   T10]      dst_init+0x84/0x4a0
[ 6358.217515][   T10]      dst_alloc+0x97/0x150
[ 6358.217515][   T10]      ip6_dst_alloc+0x23/0x90
[ 6358.217515][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6358.217515][   T10]      ip6_pol_route+0x56f/0x840
[ 6358.217515][   T10]      fib6_rule_lookup+0x456/0x630
[ 6358.217515][   T10]      ip6_route_input+0x59c/0xa50
[ 6358.217515][   T10]      ipv6_rcv+0x397/0x810
[ 6358.217515][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6358.217515][   T10]      process_backlog+0x101/0x620
[ 6358.217515][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6358.217515][   T10]      net_rx_action+0x495/0xbe0
[ 6358.217515][   T10]      __do_softirq+0x1b5/0x7f6
[ 6358.217515][   T10] 
[ 6358.219217][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.219217][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6358.219217][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6358.219217][   T10]      fib6_nh_init+0xa22/0x1580
[ 6358.219217][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.219217][   T10]      ip6_route_add+0x1c/0x140
[ 6358.219217][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6358.219217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.219217][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.219217][   T10]      netlink_unicast+0x449/0x710
[ 6358.219217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.219217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.219217][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.219217][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.219217][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.219217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.219217][   T10] 
[ 6358.221144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.221144][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.221144][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.221144][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.221144][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6358.221144][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6358.221144][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6358.221144][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6358.221144][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6358.221144][   T10]      addrconf_dad_begin+0x310/0x670
[ 6358.221144][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6358.221144][   T10]      process_one_work+0x84d/0x18a0
[ 6358.221144][   T10]      worker_thread+0x587/0xd30
[ 6358.221144][   T10]      kthread+0x28a/0x350
[ 6358.221144][   T10]      ret_from_fork+0x31/0x70
[ 6358.221144][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6358.221144][   T10] 
[ 6358.223090][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.223090][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.223090][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.223090][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.223090][   T10]      ip6_route_add+0x1c/0x140
[ 6358.223090][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6358.223090][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6358.223090][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.223090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.223090][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.223090][   T10]      netlink_unicast+0x449/0x710
[ 6358.223090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.223090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.223090][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.223090][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.223090][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.223090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.223090][   T10] 
[ 6358.225128][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.225128][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.225128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.225128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.225128][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6358.225128][   T10]      ipv6_add_addr+0x411/0x2000
[ 6358.225128][   T10]      inet6_addr_add+0x30e/0xa40
[ 6358.225128][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.225128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.225128][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.225128][   T10]      netlink_unicast+0x449/0x710
[ 6358.225128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.225128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.225128][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.225128][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.225128][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.225128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.225128][   T10] 
[ 6358.227179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.227179][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.227179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.227179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.227179][   T10]      ip6_route_add+0x1c/0x140
[ 6358.227179][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6358.227179][   T10]      addrconf_add_dev+0xe2/0x170
[ 6358.227179][   T10]      inet6_addr_add+0x12f/0xa40
[ 6358.227179][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.227179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.227179][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.227179][   T10]      netlink_unicast+0x449/0x710
[ 6358.227179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.227179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.227179][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.227179][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.227179][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.227179][   T10] 
[ 6358.229197][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.229197][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6358.229197][   T10]      ipv6_find_idev+0x102/0x170
[ 6358.229197][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6358.229197][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.229197][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.229197][   T10]      netlink_unicast+0x449/0x710
[ 6358.229197][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.229197][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.229197][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.229197][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.229197][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.229197][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.229197][   T10] 
[ 6358.230778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6358.230778][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6358.230778][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6358.230778][   T10]      ipv6_find_idev+0x102/0x170
[ 6358.230778][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6358.230778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.230778][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.230778][   T10]      netlink_unicast+0x449/0x710
[ 6358.230778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.230778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.230778][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.230778][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.230778][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.230778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.230778][   T10] 
[ 6358.232527][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6358.232794][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.232794][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6358.232794][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6358.232794][   T10]      fib6_nh_init+0xa22/0x1580
[ 6358.232794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.232794][   T10]      ip6_route_add+0x1c/0x140
[ 6358.232794][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6358.232794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.232794][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.232794][   T10]      netlink_unicast+0x449/0x710
[ 6358.232794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.232794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.232794][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.232794][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.232794][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.232794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.232794][   T10] 
[ 6358.234717][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.234717][   T10]      dst_init+0x84/0x4a0
[ 6358.234717][   T10]      dst_alloc+0x97/0x150
[ 6358.234717][   T10]      ip6_dst_alloc+0x23/0x90
[ 6358.234717][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6358.234717][   T10]      ip6_pol_route+0x56f/0x840
[ 6358.234717][   T10]      fib6_rule_lookup+0x456/0x630
[ 6358.234717][   T10]      ip6_route_input+0x59c/0xa50
[ 6358.234717][   T10]      ipv6_rcv+0x397/0x810
[ 6358.234717][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6358.234717][   T10]      process_backlog+0x101/0x620
[ 6358.234717][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6358.234717][   T10]      net_rx_action+0x495/0xbe0
[ 6358.234717][   T10]      __do_softirq+0x1b5/0x7f6
[ 6358.234717][   T10] 
[ 6358.236456][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.236456][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.236456][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.236456][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.236456][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6358.236456][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6358.236456][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6358.236456][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6358.236456][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6358.236456][   T10]      addrconf_dad_begin+0x310/0x670
[ 6358.236456][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6358.236456][   T10]      process_one_work+0x84d/0x18a0
[ 6358.236456][   T10]      worker_thread+0x587/0xd30
[ 6358.236456][   T10]      kthread+0x28a/0x350
[ 6358.236456][   T10]      ret_from_fork+0x31/0x70
[ 6358.236456][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6358.236456][   T10] 
[ 6358.238438][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.238438][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.238438][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.238438][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.238438][   T10]      ip6_route_add+0x1c/0x140
[ 6358.238438][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6358.238438][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6358.238438][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.238438][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.238438][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.238438][   T10]      netlink_unicast+0x449/0x710
[ 6358.238438][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.238438][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.238438][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.238438][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.238438][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.238438][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.238438][   T10] 
[ 6358.240524][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.240524][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.240524][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.240524][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.240524][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6358.240524][   T10]      ipv6_add_addr+0x411/0x2000
[ 6358.240524][   T10]      inet6_addr_add+0x30e/0xa40
[ 6358.240524][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.240524][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.240524][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.240524][   T10]      netlink_unicast+0x449/0x710
[ 6358.240524][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.240524][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.240524][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.240524][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.240524][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.240524][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.240524][   T10] 
[ 6358.242598][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.242598][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.242598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.242598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.242598][   T10]      ip6_route_add+0x1c/0x140
[ 6358.242598][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6358.242598][   T10]      addrconf_add_dev+0xe2/0x170
[ 6358.242598][   T10]      inet6_addr_add+0x12f/0xa40
[ 6358.242598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.242598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.242598][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.242598][   T10]      netlink_unicast+0x449/0x710
[ 6358.242598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.242598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.242598][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.242598][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.242598][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.242598][   T10] 
[ 6358.244842][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.244842][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6358.244842][   T10]      ipv6_find_idev+0x102/0x170
[ 6358.244842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6358.244842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.244842][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.244842][   T10]      netlink_unicast+0x449/0x710
[ 6358.244842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.244842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.244842][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.244842][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.244842][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.244842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.244842][   T10] 
[ 6358.246620][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6358.246620][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6358.246620][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6358.246620][   T10]      ipv6_find_idev+0x102/0x170
[ 6358.246620][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6358.246620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.246620][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.246620][   T10]      netlink_unicast+0x449/0x710
[ 6358.246620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.246620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.246620][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.246620][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.246620][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.246620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.246620][   T10] 
[ 6358.248614][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6358.248878][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6358.248878][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.248878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.248878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.248878][   T10]      ip6_route_add+0x1c/0x140
[ 6358.248878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6358.248878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6358.248878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.248878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.248878][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.248878][   T10]      netlink_unicast+0x449/0x710
[ 6358.248878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.248878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.248878][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.248878][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.248878][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.248878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.248878][   T10] 
[ 6358.251195][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6358.251195][   T10]      netdev_get_by_index+0x5e/0x80
[ 6358.251195][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6358.251195][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6358.251195][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6358.251195][   T10]      ipv6_add_addr+0x411/0x2000
[ 6358.251195][   T10]      inet6_addr_add+0x30e/0xa40
[ 6358.251195][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6358.251195][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.251195][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.251195][   T10]      netlink_unicast+0x449/0x710
[ 6358.251195][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.251195][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.251195][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.251195][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.251195][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.251195][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.251195][   T10] 
[ 6358.253497][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6358.253497][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6358.253497][   T10]      ipv6_find_idev+0x102/0x170
[ 6358.253497][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6358.253497][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.253497][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.253497][   T10]      netlink_unicast+0x449/0x710
[ 6358.253497][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.253497][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.253497][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.253497][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.253497][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.253497][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.253497][   T10] 
[ 6358.255346][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6358.255346][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6358.255346][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6358.255346][   T10]      ipv6_find_idev+0x102/0x170
[ 6358.255346][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6358.255346][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6358.255346][   T10]      netlink_rcv_skb+0x130/0x360
[ 6358.255346][   T10]      netlink_unicast+0x449/0x710
[ 6358.255346][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6358.255346][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6358.255346][   T10]      ___sys_sendmsg+0xee/0x170
[ 6358.255346][   T10]      __sys_sendmsg+0xcd/0x170
[ 6358.255346][   T10]      do_syscall_64+0xc6/0x1e0
[ 6358.255346][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6358.255346][   T10] 
[ 6368.272677][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6368.273065][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.273065][   T10]      dst_init+0x84/0x4a0
[ 6368.273065][   T10]      dst_alloc+0x97/0x150
[ 6368.273065][   T10]      ip6_dst_alloc+0x23/0x90
[ 6368.273065][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6368.273065][   T10]      ip6_pol_route+0x56f/0x840
[ 6368.273065][   T10]      fib6_rule_lookup+0x456/0x630
[ 6368.273065][   T10]      ip6_route_input+0x59c/0xa50
[ 6368.273065][   T10]      ipv6_rcv+0x397/0x810
[ 6368.273065][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6368.273065][   T10]      process_backlog+0x101/0x620
[ 6368.273065][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6368.273065][   T10]      net_rx_action+0x495/0xbe0
[ 6368.273065][   T10]      __do_softirq+0x1b5/0x7f6
[ 6368.273065][   T10] 
[ 6368.274731][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.274731][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6368.274731][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6368.274731][   T10]      fib6_nh_init+0xa22/0x1580
[ 6368.274731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.274731][   T10]      ip6_route_add+0x1c/0x140
[ 6368.274731][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6368.274731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.274731][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.274731][   T10]      netlink_unicast+0x449/0x710
[ 6368.274731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.274731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.274731][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.274731][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.274731][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.274731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.274731][   T10] 
[ 6368.276644][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.276644][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.276644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.276644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.276644][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6368.276644][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6368.276644][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6368.276644][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6368.276644][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6368.276644][   T10]      addrconf_dad_begin+0x310/0x670
[ 6368.276644][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6368.276644][   T10]      process_one_work+0x84d/0x18a0
[ 6368.276644][   T10]      worker_thread+0x587/0xd30
[ 6368.276644][   T10]      kthread+0x28a/0x350
[ 6368.276644][   T10]      ret_from_fork+0x31/0x70
[ 6368.276644][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6368.276644][   T10] 
[ 6368.278562][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.278562][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.278562][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.278562][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.278562][   T10]      ip6_route_add+0x1c/0x140
[ 6368.278562][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6368.278562][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6368.278562][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.278562][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.278562][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.278562][   T10]      netlink_unicast+0x449/0x710
[ 6368.278562][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.278562][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.278562][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.278562][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.278562][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.278562][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.278562][   T10] 
[ 6368.280587][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.280587][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.280587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.280587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.280587][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6368.280587][   T10]      ipv6_add_addr+0x411/0x2000
[ 6368.280587][   T10]      inet6_addr_add+0x30e/0xa40
[ 6368.280587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.280587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.280587][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.280587][   T10]      netlink_unicast+0x449/0x710
[ 6368.280587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.280587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.280587][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.280587][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.280587][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.280587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.280587][   T10] 
[ 6368.282620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.282620][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.282620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.282620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.282620][   T10]      ip6_route_add+0x1c/0x140
[ 6368.282620][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6368.282620][   T10]      addrconf_add_dev+0xe2/0x170
[ 6368.282620][   T10]      inet6_addr_add+0x12f/0xa40
[ 6368.282620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.282620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.282620][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.282620][   T10]      netlink_unicast+0x449/0x710
[ 6368.282620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.282620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.282620][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.282620][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.282620][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.282620][   T10] 
[ 6368.284616][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.284616][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6368.284616][   T10]      ipv6_find_idev+0x102/0x170
[ 6368.284616][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6368.284616][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.284616][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.284616][   T10]      netlink_unicast+0x449/0x710
[ 6368.284616][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.284616][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.284616][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.284616][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.284616][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.284616][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.284616][   T10] 
[ 6368.286177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6368.286177][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6368.286177][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6368.286177][   T10]      ipv6_find_idev+0x102/0x170
[ 6368.286177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6368.286177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.286177][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.286177][   T10]      netlink_unicast+0x449/0x710
[ 6368.286177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.286177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.286177][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.286177][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.286177][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.286177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.286177][   T10] 
[ 6368.287913][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6368.288160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.288160][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6368.288160][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6368.288160][   T10]      fib6_nh_init+0xa22/0x1580
[ 6368.288160][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.288160][   T10]      ip6_route_add+0x1c/0x140
[ 6368.288160][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6368.288160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.288160][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.288160][   T10]      netlink_unicast+0x449/0x710
[ 6368.288160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.288160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.288160][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.288160][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.288160][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.288160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.288160][   T10] 
[ 6368.290053][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.290053][   T10]      dst_init+0x84/0x4a0
[ 6368.290053][   T10]      dst_alloc+0x97/0x150
[ 6368.290053][   T10]      ip6_dst_alloc+0x23/0x90
[ 6368.290053][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6368.290053][   T10]      ip6_pol_route+0x56f/0x840
[ 6368.290053][   T10]      fib6_rule_lookup+0x456/0x630
[ 6368.290053][   T10]      ip6_route_input+0x59c/0xa50
[ 6368.290053][   T10]      ipv6_rcv+0x397/0x810
[ 6368.290053][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6368.290053][   T10]      process_backlog+0x101/0x620
[ 6368.290053][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6368.290053][   T10]      net_rx_action+0x495/0xbe0
[ 6368.290053][   T10]      __do_softirq+0x1b5/0x7f6
[ 6368.290053][   T10] 
[ 6368.291716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.291716][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.291716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.291716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.291716][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6368.291716][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6368.291716][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6368.291716][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6368.291716][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6368.291716][   T10]      addrconf_dad_begin+0x310/0x670
[ 6368.291716][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6368.291716][   T10]      process_one_work+0x84d/0x18a0
[ 6368.291716][   T10]      worker_thread+0x587/0xd30
[ 6368.291716][   T10]      kthread+0x28a/0x350
[ 6368.291716][   T10]      ret_from_fork+0x31/0x70
[ 6368.291716][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6368.291716][   T10] 
[ 6368.293659][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.293659][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.293659][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.293659][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.293659][   T10]      ip6_route_add+0x1c/0x140
[ 6368.293659][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6368.293659][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6368.293659][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.293659][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.293659][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.293659][   T10]      netlink_unicast+0x449/0x710
[ 6368.293659][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.293659][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.293659][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.293659][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.293659][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.293659][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.293659][   T10] 
[ 6368.295687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.295687][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.295687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.295687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.295687][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6368.295687][   T10]      ipv6_add_addr+0x411/0x2000
[ 6368.295687][   T10]      inet6_addr_add+0x30e/0xa40
[ 6368.295687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.295687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.295687][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.295687][   T10]      netlink_unicast+0x449/0x710
[ 6368.295687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.295687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.295687][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.295687][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.295687][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.295687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.295687][   T10] 
[ 6368.297725][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.297725][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.297725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.297725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.297725][   T10]      ip6_route_add+0x1c/0x140
[ 6368.297725][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6368.297725][   T10]      addrconf_add_dev+0xe2/0x170
[ 6368.297725][   T10]      inet6_addr_add+0x12f/0xa40
[ 6368.297725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.297725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.297725][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.297725][   T10]      netlink_unicast+0x449/0x710
[ 6368.297725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.297725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.297725][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.297725][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.297725][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.297725][   T10] 
[ 6368.299824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.299824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6368.299824][   T10]      ipv6_find_idev+0x102/0x170
[ 6368.299824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6368.299824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.299824][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.299824][   T10]      netlink_unicast+0x449/0x710
[ 6368.299824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.299824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.299824][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.299824][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.299824][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.299824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.299824][   T10] 
[ 6368.301547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6368.301547][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6368.301547][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6368.301547][   T10]      ipv6_find_idev+0x102/0x170
[ 6368.301547][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6368.301547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.301547][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.301547][   T10]      netlink_unicast+0x449/0x710
[ 6368.301547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.301547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.301547][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.301547][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.301547][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.301547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.301547][   T10] 
[ 6368.303508][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6368.303824][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6368.303824][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.303824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.303824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.303824][   T10]      ip6_route_add+0x1c/0x140
[ 6368.303824][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6368.303824][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6368.303824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.303824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.303824][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.303824][   T10]      netlink_unicast+0x449/0x710
[ 6368.303824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.303824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.303824][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.303824][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.303824][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.303824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.303824][   T10] 
[ 6368.306016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6368.306016][   T10]      netdev_get_by_index+0x5e/0x80
[ 6368.306016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6368.306016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6368.306016][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6368.306016][   T10]      ipv6_add_addr+0x411/0x2000
[ 6368.306016][   T10]      inet6_addr_add+0x30e/0xa40
[ 6368.306016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6368.306016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.306016][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.306016][   T10]      netlink_unicast+0x449/0x710
[ 6368.306016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.306016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.306016][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.306016][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.306016][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.306016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.306016][   T10] 
[ 6368.308230][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6368.308230][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6368.308230][   T10]      ipv6_find_idev+0x102/0x170
[ 6368.308230][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6368.308230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.308230][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.308230][   T10]      netlink_unicast+0x449/0x710
[ 6368.308230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.308230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.308230][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.308230][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.308230][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.308230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.308230][   T10] 
[ 6368.309963][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6368.309963][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6368.309963][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6368.309963][   T10]      ipv6_find_idev+0x102/0x170
[ 6368.309963][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6368.309963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6368.309963][   T10]      netlink_rcv_skb+0x130/0x360
[ 6368.309963][   T10]      netlink_unicast+0x449/0x710
[ 6368.309963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6368.309963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6368.309963][   T10]      ___sys_sendmsg+0xee/0x170
[ 6368.309963][   T10]      __sys_sendmsg+0xcd/0x170
[ 6368.309963][   T10]      do_syscall_64+0xc6/0x1e0
[ 6368.309963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6368.309963][   T10] 
[ 6378.552721][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6378.553175][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.553175][   T10]      dst_init+0x84/0x4a0
[ 6378.553175][   T10]      dst_alloc+0x97/0x150
[ 6378.553175][   T10]      ip6_dst_alloc+0x23/0x90
[ 6378.553175][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6378.553175][   T10]      ip6_pol_route+0x56f/0x840
[ 6378.553175][   T10]      fib6_rule_lookup+0x456/0x630
[ 6378.553175][   T10]      ip6_route_input+0x59c/0xa50
[ 6378.553175][   T10]      ipv6_rcv+0x397/0x810
[ 6378.553175][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6378.553175][   T10]      process_backlog+0x101/0x620
[ 6378.553175][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6378.553175][   T10]      net_rx_action+0x495/0xbe0
[ 6378.553175][   T10]      __do_softirq+0x1b5/0x7f6
[ 6378.553175][   T10] 
[ 6378.554841][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.554841][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6378.554841][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6378.554841][   T10]      fib6_nh_init+0xa22/0x1580
[ 6378.554841][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.554841][   T10]      ip6_route_add+0x1c/0x140
[ 6378.554841][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6378.554841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.554841][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.554841][   T10]      netlink_unicast+0x449/0x710
[ 6378.554841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.554841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.554841][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.554841][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.554841][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.554841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.554841][   T10] 
[ 6378.556745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.556745][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.556745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.556745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.556745][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6378.556745][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6378.556745][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6378.556745][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6378.556745][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6378.556745][   T10]      addrconf_dad_begin+0x310/0x670
[ 6378.556745][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6378.556745][   T10]      process_one_work+0x84d/0x18a0
[ 6378.556745][   T10]      worker_thread+0x587/0xd30
[ 6378.556745][   T10]      kthread+0x28a/0x350
[ 6378.556745][   T10]      ret_from_fork+0x31/0x70
[ 6378.556745][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6378.556745][   T10] 
[ 6378.558657][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.558657][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.558657][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.558657][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.558657][   T10]      ip6_route_add+0x1c/0x140
[ 6378.558657][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6378.558657][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6378.558657][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.558657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.558657][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.558657][   T10]      netlink_unicast+0x449/0x710
[ 6378.558657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.558657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.558657][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.558657][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.558657][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.558657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.558657][   T10] 
[ 6378.560654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.560654][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.560654][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.560654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.560654][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6378.560654][   T10]      ipv6_add_addr+0x411/0x2000
[ 6378.560654][   T10]      inet6_addr_add+0x30e/0xa40
[ 6378.560654][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.560654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.560654][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.560654][   T10]      netlink_unicast+0x449/0x710
[ 6378.560654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.560654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.560654][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.560654][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.560654][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.560654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.560654][   T10] 
[ 6378.562653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.562653][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.562653][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.562653][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.562653][   T10]      ip6_route_add+0x1c/0x140
[ 6378.562653][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6378.562653][   T10]      addrconf_add_dev+0xe2/0x170
[ 6378.562653][   T10]      inet6_addr_add+0x12f/0xa40
[ 6378.562653][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.562653][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.562653][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.562653][   T10]      netlink_unicast+0x449/0x710
[ 6378.562653][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.562653][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.562653][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.562653][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.562653][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.562653][   T10] 
[ 6378.564615][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.564615][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6378.564615][   T10]      ipv6_find_idev+0x102/0x170
[ 6378.564615][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6378.564615][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.564615][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.564615][   T10]      netlink_unicast+0x449/0x710
[ 6378.564615][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.564615][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.564615][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.564615][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.564615][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.564615][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.564615][   T10] 
[ 6378.566158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6378.566158][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6378.566158][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6378.566158][   T10]      ipv6_find_idev+0x102/0x170
[ 6378.566158][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6378.566158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.566158][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.566158][   T10]      netlink_unicast+0x449/0x710
[ 6378.566158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.566158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.566158][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.566158][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.566158][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.566158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.566158][   T10] 
[ 6378.567864][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6378.568103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.568103][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6378.568103][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6378.568103][   T10]      fib6_nh_init+0xa22/0x1580
[ 6378.568103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.568103][   T10]      ip6_route_add+0x1c/0x140
[ 6378.568103][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6378.568103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.568103][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.568103][   T10]      netlink_unicast+0x449/0x710
[ 6378.568103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.568103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.568103][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.568103][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.568103][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.568103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.568103][   T10] 
[ 6378.569985][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.569985][   T10]      dst_init+0x84/0x4a0
[ 6378.569985][   T10]      dst_alloc+0x97/0x150
[ 6378.569985][   T10]      ip6_dst_alloc+0x23/0x90
[ 6378.569985][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6378.569985][   T10]      ip6_pol_route+0x56f/0x840
[ 6378.569985][   T10]      fib6_rule_lookup+0x456/0x630
[ 6378.569985][   T10]      ip6_route_input+0x59c/0xa50
[ 6378.569985][   T10]      ipv6_rcv+0x397/0x810
[ 6378.569985][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6378.569985][   T10]      process_backlog+0x101/0x620
[ 6378.569985][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6378.569985][   T10]      net_rx_action+0x495/0xbe0
[ 6378.569985][   T10]      __do_softirq+0x1b5/0x7f6
[ 6378.569985][   T10] 
[ 6378.571616][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.571616][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.571616][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.571616][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.571616][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6378.571616][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6378.571616][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6378.571616][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6378.571616][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6378.571616][   T10]      addrconf_dad_begin+0x310/0x670
[ 6378.571616][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6378.571616][   T10]      process_one_work+0x84d/0x18a0
[ 6378.571616][   T10]      worker_thread+0x587/0xd30
[ 6378.571616][   T10]      kthread+0x28a/0x350
[ 6378.571616][   T10]      ret_from_fork+0x31/0x70
[ 6378.571616][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6378.571616][   T10] 
[ 6378.573532][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.573532][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.573532][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.573532][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.573532][   T10]      ip6_route_add+0x1c/0x140
[ 6378.573532][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6378.573532][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6378.573532][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.573532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.573532][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.573532][   T10]      netlink_unicast+0x449/0x710
[ 6378.573532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.573532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.573532][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.573532][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.573532][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.573532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.573532][   T10] 
[ 6378.575540][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.575540][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.575540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.575540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.575540][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6378.575540][   T10]      ipv6_add_addr+0x411/0x2000
[ 6378.575540][   T10]      inet6_addr_add+0x30e/0xa40
[ 6378.575540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.575540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.575540][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.575540][   T10]      netlink_unicast+0x449/0x710
[ 6378.575540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.575540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.575540][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.575540][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.575540][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.575540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.575540][   T10] 
[ 6378.578079][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.578079][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.578079][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.578079][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.578079][   T10]      ip6_route_add+0x1c/0x140
[ 6378.578079][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6378.578079][   T10]      addrconf_add_dev+0xe2/0x170
[ 6378.578079][   T10]      inet6_addr_add+0x12f/0xa40
[ 6378.578079][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.578079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.578079][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.578079][   T10]      netlink_unicast+0x449/0x710
[ 6378.578079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.578079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.578079][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.578079][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.578079][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.578079][   T10] 
[ 6378.580163][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.580163][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6378.580163][   T10]      ipv6_find_idev+0x102/0x170
[ 6378.580163][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6378.580163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.580163][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.580163][   T10]      netlink_unicast+0x449/0x710
[ 6378.580163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.580163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.580163][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.580163][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.580163][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.580163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.580163][   T10] 
[ 6378.581945][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6378.581945][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6378.581945][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6378.581945][   T10]      ipv6_find_idev+0x102/0x170
[ 6378.581945][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6378.581945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.581945][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.581945][   T10]      netlink_unicast+0x449/0x710
[ 6378.581945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.581945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.581945][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.581945][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.581945][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.581945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.581945][   T10] 
[ 6378.583813][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6378.584119][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6378.584119][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.584119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.584119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.584119][   T10]      ip6_route_add+0x1c/0x140
[ 6378.584119][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6378.584119][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6378.584119][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.584119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.584119][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.584119][   T10]      netlink_unicast+0x449/0x710
[ 6378.584119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.584119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.584119][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.584119][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.584119][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.584119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.584119][   T10] 
[ 6378.586301][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6378.586301][   T10]      netdev_get_by_index+0x5e/0x80
[ 6378.586301][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6378.586301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6378.586301][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6378.586301][   T10]      ipv6_add_addr+0x411/0x2000
[ 6378.586301][   T10]      inet6_addr_add+0x30e/0xa40
[ 6378.586301][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6378.586301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.586301][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.586301][   T10]      netlink_unicast+0x449/0x710
[ 6378.586301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.586301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.586301][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.586301][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.586301][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.586301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.586301][   T10] 
[ 6378.588482][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6378.588482][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6378.588482][   T10]      ipv6_find_idev+0x102/0x170
[ 6378.588482][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6378.588482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.588482][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.588482][   T10]      netlink_unicast+0x449/0x710
[ 6378.588482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.588482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.588482][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.588482][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.588482][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.588482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.588482][   T10] 
[ 6378.590198][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6378.590198][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6378.590198][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6378.590198][   T10]      ipv6_find_idev+0x102/0x170
[ 6378.590198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6378.590198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6378.590198][   T10]      netlink_rcv_skb+0x130/0x360
[ 6378.590198][   T10]      netlink_unicast+0x449/0x710
[ 6378.590198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6378.590198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6378.590198][   T10]      ___sys_sendmsg+0xee/0x170
[ 6378.590198][   T10]      __sys_sendmsg+0xcd/0x170
[ 6378.590198][   T10]      do_syscall_64+0xc6/0x1e0
[ 6378.590198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6378.590198][   T10] 
[ 6388.640785][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6388.641729][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.641729][   T10]      dst_init+0x84/0x4a0
[ 6388.641729][   T10]      dst_alloc+0x97/0x150
[ 6388.641729][   T10]      ip6_dst_alloc+0x23/0x90
[ 6388.641729][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6388.641729][   T10]      ip6_pol_route+0x56f/0x840
[ 6388.641729][   T10]      fib6_rule_lookup+0x456/0x630
[ 6388.641729][   T10]      ip6_route_input+0x59c/0xa50
[ 6388.641729][   T10]      ipv6_rcv+0x397/0x810
[ 6388.641729][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6388.641729][   T10]      process_backlog+0x101/0x620
[ 6388.641729][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6388.641729][   T10]      net_rx_action+0x495/0xbe0
[ 6388.641729][   T10]      __do_softirq+0x1b5/0x7f6
[ 6388.641729][   T10] 
[ 6388.643421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.643421][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6388.643421][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6388.643421][   T10]      fib6_nh_init+0xa22/0x1580
[ 6388.643421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.643421][   T10]      ip6_route_add+0x1c/0x140
[ 6388.643421][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6388.643421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.643421][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.643421][   T10]      netlink_unicast+0x449/0x710
[ 6388.643421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.643421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.643421][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.643421][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.643421][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.643421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.643421][   T10] 
[ 6388.645314][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.645314][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.645314][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.645314][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.645314][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6388.645314][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6388.645314][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6388.645314][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6388.645314][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6388.645314][   T10]      addrconf_dad_begin+0x310/0x670
[ 6388.645314][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6388.645314][   T10]      process_one_work+0x84d/0x18a0
[ 6388.645314][   T10]      worker_thread+0x587/0xd30
[ 6388.645314][   T10]      kthread+0x28a/0x350
[ 6388.645314][   T10]      ret_from_fork+0x31/0x70
[ 6388.645314][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6388.645314][   T10] 
[ 6388.647232][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.647232][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.647232][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.647232][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.647232][   T10]      ip6_route_add+0x1c/0x140
[ 6388.647232][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6388.647232][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6388.647232][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.647232][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.647232][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.647232][   T10]      netlink_unicast+0x449/0x710
[ 6388.647232][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.647232][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.647232][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.647232][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.647232][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.647232][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.647232][   T10] 
[ 6388.649230][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.649230][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.649230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.649230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.649230][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6388.649230][   T10]      ipv6_add_addr+0x411/0x2000
[ 6388.649230][   T10]      inet6_addr_add+0x30e/0xa40
[ 6388.649230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.649230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.649230][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.649230][   T10]      netlink_unicast+0x449/0x710
[ 6388.649230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.649230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.649230][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.649230][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.649230][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.649230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.649230][   T10] 
[ 6388.651230][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.651230][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.651230][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.651230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.651230][   T10]      ip6_route_add+0x1c/0x140
[ 6388.651230][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6388.651230][   T10]      addrconf_add_dev+0xe2/0x170
[ 6388.651230][   T10]      inet6_addr_add+0x12f/0xa40
[ 6388.651230][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.651230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.651230][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.651230][   T10]      netlink_unicast+0x449/0x710
[ 6388.651230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.651230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.651230][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.651230][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.651230][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.651230][   T10] 
[ 6388.653207][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.653207][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6388.653207][   T10]      ipv6_find_idev+0x102/0x170
[ 6388.653207][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6388.653207][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.653207][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.653207][   T10]      netlink_unicast+0x449/0x710
[ 6388.653207][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.653207][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.653207][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.653207][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.653207][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.653207][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.653207][   T10] 
[ 6388.654742][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6388.654742][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6388.654742][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6388.654742][   T10]      ipv6_find_idev+0x102/0x170
[ 6388.654742][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6388.654742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.654742][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.654742][   T10]      netlink_unicast+0x449/0x710
[ 6388.654742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.654742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.654742][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.654742][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.654742][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.654742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.654742][   T10] 
[ 6388.656453][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6388.656711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.656711][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6388.656711][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6388.656711][   T10]      fib6_nh_init+0xa22/0x1580
[ 6388.656711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.656711][   T10]      ip6_route_add+0x1c/0x140
[ 6388.656711][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6388.656711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.656711][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.656711][   T10]      netlink_unicast+0x449/0x710
[ 6388.656711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.656711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.656711][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.656711][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.656711][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.656711][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.656711][   T10] 
[ 6388.658596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.658596][   T10]      dst_init+0x84/0x4a0
[ 6388.658596][   T10]      dst_alloc+0x97/0x150
[ 6388.658596][   T10]      ip6_dst_alloc+0x23/0x90
[ 6388.658596][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6388.658596][   T10]      ip6_pol_route+0x56f/0x840
[ 6388.658596][   T10]      fib6_rule_lookup+0x456/0x630
[ 6388.658596][   T10]      ip6_route_input+0x59c/0xa50
[ 6388.658596][   T10]      ipv6_rcv+0x397/0x810
[ 6388.658596][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6388.658596][   T10]      process_backlog+0x101/0x620
[ 6388.658596][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6388.658596][   T10]      net_rx_action+0x495/0xbe0
[ 6388.658596][   T10]      __do_softirq+0x1b5/0x7f6
[ 6388.658596][   T10] 
[ 6388.660226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.660226][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.660226][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.660226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.660226][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6388.660226][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6388.660226][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6388.660226][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6388.660226][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6388.660226][   T10]      addrconf_dad_begin+0x310/0x670
[ 6388.660226][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6388.660226][   T10]      process_one_work+0x84d/0x18a0
[ 6388.660226][   T10]      worker_thread+0x587/0xd30
[ 6388.660226][   T10]      kthread+0x28a/0x350
[ 6388.660226][   T10]      ret_from_fork+0x31/0x70
[ 6388.660226][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6388.660226][   T10] 
[ 6388.662127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.662127][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.662127][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.662127][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.662127][   T10]      ip6_route_add+0x1c/0x140
[ 6388.662127][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6388.662127][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6388.662127][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.662127][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.662127][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.662127][   T10]      netlink_unicast+0x449/0x710
[ 6388.662127][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.662127][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.662127][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.662127][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.662127][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.662127][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.662127][   T10] 
[ 6388.664142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.664142][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.664142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.664142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.664142][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6388.664142][   T10]      ipv6_add_addr+0x411/0x2000
[ 6388.664142][   T10]      inet6_addr_add+0x30e/0xa40
[ 6388.664142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.664142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.664142][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.664142][   T10]      netlink_unicast+0x449/0x710
[ 6388.664142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.664142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.664142][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.664142][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.664142][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.664142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.664142][   T10] 
[ 6388.666136][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.666136][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.666136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.666136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.666136][   T10]      ip6_route_add+0x1c/0x140
[ 6388.666136][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6388.666136][   T10]      addrconf_add_dev+0xe2/0x170
[ 6388.666136][   T10]      inet6_addr_add+0x12f/0xa40
[ 6388.666136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.666136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.666136][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.666136][   T10]      netlink_unicast+0x449/0x710
[ 6388.666136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.666136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.666136][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.666136][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.666136][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.666136][   T10] 
[ 6388.668297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.668297][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6388.668297][   T10]      ipv6_find_idev+0x102/0x170
[ 6388.668297][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6388.668297][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.668297][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.668297][   T10]      netlink_unicast+0x449/0x710
[ 6388.668297][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.668297][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.668297][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.668297][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.668297][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.668297][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.668297][   T10] 
[ 6388.670011][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6388.670011][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6388.670011][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6388.670011][   T10]      ipv6_find_idev+0x102/0x170
[ 6388.670011][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6388.670011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.670011][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.670011][   T10]      netlink_unicast+0x449/0x710
[ 6388.670011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.670011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.670011][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.670011][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.670011][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.670011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.670011][   T10] 
[ 6388.671943][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6388.672179][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6388.672179][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.672179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.672179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.672179][   T10]      ip6_route_add+0x1c/0x140
[ 6388.672179][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6388.672179][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6388.672179][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.672179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.672179][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.672179][   T10]      netlink_unicast+0x449/0x710
[ 6388.672179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.672179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.672179][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.672179][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.672179][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.672179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.672179][   T10] 
[ 6388.674420][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6388.674420][   T10]      netdev_get_by_index+0x5e/0x80
[ 6388.674420][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6388.674420][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6388.674420][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6388.674420][   T10]      ipv6_add_addr+0x411/0x2000
[ 6388.674420][   T10]      inet6_addr_add+0x30e/0xa40
[ 6388.674420][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6388.674420][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.674420][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.674420][   T10]      netlink_unicast+0x449/0x710
[ 6388.674420][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.674420][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.674420][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.674420][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.674420][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.674420][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.674420][   T10] 
[ 6388.676601][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6388.676601][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6388.676601][   T10]      ipv6_find_idev+0x102/0x170
[ 6388.676601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6388.676601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.676601][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.676601][   T10]      netlink_unicast+0x449/0x710
[ 6388.676601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.676601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.676601][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.676601][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.676601][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.676601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.676601][   T10] 
[ 6388.678349][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6388.678349][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6388.678349][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6388.678349][   T10]      ipv6_find_idev+0x102/0x170
[ 6388.678349][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6388.678349][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6388.678349][   T10]      netlink_rcv_skb+0x130/0x360
[ 6388.678349][   T10]      netlink_unicast+0x449/0x710
[ 6388.678349][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6388.678349][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6388.678349][   T10]      ___sys_sendmsg+0xee/0x170
[ 6388.678349][   T10]      __sys_sendmsg+0xcd/0x170
[ 6388.678349][   T10]      do_syscall_64+0xc6/0x1e0
[ 6388.678349][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6388.678349][   T10] 
[ 6398.912807][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6398.913529][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.913529][   T10]      dst_init+0x84/0x4a0
[ 6398.913529][   T10]      dst_alloc+0x97/0x150
[ 6398.913529][   T10]      ip6_dst_alloc+0x23/0x90
[ 6398.913529][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6398.913529][   T10]      ip6_pol_route+0x56f/0x840
[ 6398.913529][   T10]      fib6_rule_lookup+0x456/0x630
[ 6398.913529][   T10]      ip6_route_input+0x59c/0xa50
[ 6398.913529][   T10]      ipv6_rcv+0x397/0x810
[ 6398.913529][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6398.913529][   T10]      process_backlog+0x101/0x620
[ 6398.913529][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6398.913529][   T10]      net_rx_action+0x495/0xbe0
[ 6398.913529][   T10]      __do_softirq+0x1b5/0x7f6
[ 6398.913529][   T10] 
[ 6398.915745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.915745][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6398.915745][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6398.915745][   T10]      fib6_nh_init+0xa22/0x1580
[ 6398.915745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.915745][   T10]      ip6_route_add+0x1c/0x140
[ 6398.915745][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6398.915745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.915745][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.915745][   T10]      netlink_unicast+0x449/0x710
[ 6398.915745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.915745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.915745][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.915745][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.915745][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.915745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.915745][   T10] 
[ 6398.917670][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.917670][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.917670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.917670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.917670][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6398.917670][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6398.917670][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6398.917670][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6398.917670][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6398.917670][   T10]      addrconf_dad_begin+0x310/0x670
[ 6398.917670][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6398.917670][   T10]      process_one_work+0x84d/0x18a0
[ 6398.917670][   T10]      worker_thread+0x587/0xd30
[ 6398.917670][   T10]      kthread+0x28a/0x350
[ 6398.917670][   T10]      ret_from_fork+0x31/0x70
[ 6398.917670][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6398.917670][   T10] 
[ 6398.919598][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.919598][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.919598][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.919598][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.919598][   T10]      ip6_route_add+0x1c/0x140
[ 6398.919598][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6398.919598][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6398.919598][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.919598][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.919598][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.919598][   T10]      netlink_unicast+0x449/0x710
[ 6398.919598][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.919598][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.919598][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.919598][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.919598][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.919598][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.919598][   T10] 
[ 6398.921606][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.921606][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.921606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.921606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.921606][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6398.921606][   T10]      ipv6_add_addr+0x411/0x2000
[ 6398.921606][   T10]      inet6_addr_add+0x30e/0xa40
[ 6398.921606][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.921606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.921606][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.921606][   T10]      netlink_unicast+0x449/0x710
[ 6398.921606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.921606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.921606][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.921606][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.921606][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.921606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.921606][   T10] 
[ 6398.923628][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.923628][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.923628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.923628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.923628][   T10]      ip6_route_add+0x1c/0x140
[ 6398.923628][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6398.923628][   T10]      addrconf_add_dev+0xe2/0x170
[ 6398.923628][   T10]      inet6_addr_add+0x12f/0xa40
[ 6398.923628][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.923628][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.923628][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.923628][   T10]      netlink_unicast+0x449/0x710
[ 6398.923628][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.923628][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.923628][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.923628][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.923628][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.923628][   T10] 
[ 6398.925589][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.925589][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6398.925589][   T10]      ipv6_find_idev+0x102/0x170
[ 6398.925589][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.925589][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.925589][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.925589][   T10]      netlink_unicast+0x449/0x710
[ 6398.925589][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.925589][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.925589][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.925589][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.925589][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.925589][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.925589][   T10] 
[ 6398.927134][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6398.927134][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6398.927134][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6398.927134][   T10]      ipv6_find_idev+0x102/0x170
[ 6398.927134][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.927134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.927134][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.927134][   T10]      netlink_unicast+0x449/0x710
[ 6398.927134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.927134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.927134][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.927134][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.927134][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.927134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.927134][   T10] 
[ 6398.928828][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6398.929067][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.929067][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6398.929067][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6398.929067][   T10]      fib6_nh_init+0xa22/0x1580
[ 6398.929067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.929067][   T10]      ip6_route_add+0x1c/0x140
[ 6398.929067][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6398.929067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.929067][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.929067][   T10]      netlink_unicast+0x449/0x710
[ 6398.929067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.929067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.929067][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.929067][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.929067][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.929067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.929067][   T10] 
[ 6398.930948][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.930948][   T10]      dst_init+0x84/0x4a0
[ 6398.930948][   T10]      dst_alloc+0x97/0x150
[ 6398.930948][   T10]      ip6_dst_alloc+0x23/0x90
[ 6398.930948][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6398.930948][   T10]      ip6_pol_route+0x56f/0x840
[ 6398.930948][   T10]      fib6_rule_lookup+0x456/0x630
[ 6398.930948][   T10]      ip6_route_input+0x59c/0xa50
[ 6398.930948][   T10]      ipv6_rcv+0x397/0x810
[ 6398.930948][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6398.930948][   T10]      process_backlog+0x101/0x620
[ 6398.930948][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6398.930948][   T10]      net_rx_action+0x495/0xbe0
[ 6398.930948][   T10]      __do_softirq+0x1b5/0x7f6
[ 6398.930948][   T10] 
[ 6398.932573][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.932573][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.932573][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.932573][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.932573][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6398.932573][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6398.932573][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6398.932573][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6398.932573][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6398.932573][   T10]      addrconf_dad_begin+0x310/0x670
[ 6398.932573][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6398.932573][   T10]      process_one_work+0x84d/0x18a0
[ 6398.932573][   T10]      worker_thread+0x587/0xd30
[ 6398.932573][   T10]      kthread+0x28a/0x350
[ 6398.932573][   T10]      ret_from_fork+0x31/0x70
[ 6398.932573][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6398.932573][   T10] 
[ 6398.934492][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.934492][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.934492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.934492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.934492][   T10]      ip6_route_add+0x1c/0x140
[ 6398.934492][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6398.934492][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6398.934492][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.934492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.934492][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.934492][   T10]      netlink_unicast+0x449/0x710
[ 6398.934492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.934492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.934492][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.934492][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.934492][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.934492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.934492][   T10] 
[ 6398.936498][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.936498][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.936498][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.936498][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.936498][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6398.936498][   T10]      ipv6_add_addr+0x411/0x2000
[ 6398.936498][   T10]      inet6_addr_add+0x30e/0xa40
[ 6398.936498][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.936498][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.936498][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.936498][   T10]      netlink_unicast+0x449/0x710
[ 6398.936498][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.936498][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.936498][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.936498][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.936498][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.936498][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.936498][   T10] 
[ 6398.938492][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.938492][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.938492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.938492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.938492][   T10]      ip6_route_add+0x1c/0x140
[ 6398.938492][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6398.938492][   T10]      addrconf_add_dev+0xe2/0x170
[ 6398.938492][   T10]      inet6_addr_add+0x12f/0xa40
[ 6398.938492][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.938492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.938492][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.938492][   T10]      netlink_unicast+0x449/0x710
[ 6398.938492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.938492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.938492][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.938492][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.938492][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.938492][   T10] 
[ 6398.940634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.940634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6398.940634][   T10]      ipv6_find_idev+0x102/0x170
[ 6398.940634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.940634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.940634][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.940634][   T10]      netlink_unicast+0x449/0x710
[ 6398.940634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.940634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.940634][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.940634][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.940634][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.940634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.940634][   T10] 
[ 6398.942413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6398.942413][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6398.942413][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6398.942413][   T10]      ipv6_find_idev+0x102/0x170
[ 6398.942413][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.942413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.942413][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.942413][   T10]      netlink_unicast+0x449/0x710
[ 6398.942413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.942413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.942413][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.942413][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.942413][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.942413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.942413][   T10] 
[ 6398.944270][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6398.944511][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6398.944511][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.944511][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.944511][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.944511][   T10]      ip6_route_add+0x1c/0x140
[ 6398.944511][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6398.944511][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6398.944511][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.944511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.944511][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.944511][   T10]      netlink_unicast+0x449/0x710
[ 6398.944511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.944511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.944511][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.944511][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.944511][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.944511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.944511][   T10] 
[ 6398.946766][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6398.946766][   T10]      netdev_get_by_index+0x5e/0x80
[ 6398.946766][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6398.946766][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6398.946766][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6398.946766][   T10]      ipv6_add_addr+0x411/0x2000
[ 6398.946766][   T10]      inet6_addr_add+0x30e/0xa40
[ 6398.946766][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6398.946766][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.946766][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.946766][   T10]      netlink_unicast+0x449/0x710
[ 6398.946766][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.946766][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.946766][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.946766][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.946766][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.946766][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.946766][   T10] 
[ 6398.948994][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6398.948994][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6398.948994][   T10]      ipv6_find_idev+0x102/0x170
[ 6398.948994][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.948994][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.948994][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.948994][   T10]      netlink_unicast+0x449/0x710
[ 6398.948994][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.948994][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.948994][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.948994][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.948994][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.948994][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.948994][   T10] 
[ 6398.950772][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6398.950772][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6398.950772][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6398.950772][   T10]      ipv6_find_idev+0x102/0x170
[ 6398.950772][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6398.950772][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6398.950772][   T10]      netlink_rcv_skb+0x130/0x360
[ 6398.950772][   T10]      netlink_unicast+0x449/0x710
[ 6398.950772][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6398.950772][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6398.950772][   T10]      ___sys_sendmsg+0xee/0x170
[ 6398.950772][   T10]      __sys_sendmsg+0xcd/0x170
[ 6398.950772][   T10]      do_syscall_64+0xc6/0x1e0
[ 6398.950772][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6398.950772][   T10] 
[ 6409.200832][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6409.201449][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.201449][   T10]      dst_init+0x84/0x4a0
[ 6409.201449][   T10]      dst_alloc+0x97/0x150
[ 6409.201449][   T10]      ip6_dst_alloc+0x23/0x90
[ 6409.201449][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6409.201449][   T10]      ip6_pol_route+0x56f/0x840
[ 6409.201449][   T10]      fib6_rule_lookup+0x456/0x630
[ 6409.201449][   T10]      ip6_route_input+0x59c/0xa50
[ 6409.201449][   T10]      ipv6_rcv+0x397/0x810
[ 6409.201449][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6409.201449][   T10]      process_backlog+0x101/0x620
[ 6409.201449][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6409.201449][   T10]      net_rx_action+0x495/0xbe0
[ 6409.201449][   T10]      __do_softirq+0x1b5/0x7f6
[ 6409.201449][   T10] 
[ 6409.203116][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.203116][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6409.203116][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6409.203116][   T10]      fib6_nh_init+0xa22/0x1580
[ 6409.203116][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.203116][   T10]      ip6_route_add+0x1c/0x140
[ 6409.203116][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6409.203116][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.203116][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.203116][   T10]      netlink_unicast+0x449/0x710
[ 6409.203116][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.203116][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.203116][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.203116][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.203116][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.203116][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.203116][   T10] 
[ 6409.205011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.205011][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.205011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.205011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.205011][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6409.205011][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6409.205011][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6409.205011][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6409.205011][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6409.205011][   T10]      addrconf_dad_begin+0x310/0x670
[ 6409.205011][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6409.205011][   T10]      process_one_work+0x84d/0x18a0
[ 6409.205011][   T10]      worker_thread+0x587/0xd30
[ 6409.205011][   T10]      kthread+0x28a/0x350
[ 6409.205011][   T10]      ret_from_fork+0x31/0x70
[ 6409.205011][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6409.205011][   T10] 
[ 6409.206930][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.206930][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.206930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.206930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.206930][   T10]      ip6_route_add+0x1c/0x140
[ 6409.206930][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6409.206930][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6409.206930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.206930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.206930][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.206930][   T10]      netlink_unicast+0x449/0x710
[ 6409.206930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.206930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.206930][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.206930][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.206930][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.206930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.206930][   T10] 
[ 6409.208926][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.208926][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.208926][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.208926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.208926][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6409.208926][   T10]      ipv6_add_addr+0x411/0x2000
[ 6409.208926][   T10]      inet6_addr_add+0x30e/0xa40
[ 6409.208926][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.208926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.208926][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.208926][   T10]      netlink_unicast+0x449/0x710
[ 6409.208926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.208926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.208926][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.208926][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.208926][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.208926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.208926][   T10] 
[ 6409.210934][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.210934][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.210934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.210934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.210934][   T10]      ip6_route_add+0x1c/0x140
[ 6409.210934][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6409.210934][   T10]      addrconf_add_dev+0xe2/0x170
[ 6409.210934][   T10]      inet6_addr_add+0x12f/0xa40
[ 6409.210934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.210934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.210934][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.210934][   T10]      netlink_unicast+0x449/0x710
[ 6409.210934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.210934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.210934][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.210934][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.210934][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.210934][   T10] 
[ 6409.212905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.212905][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6409.212905][   T10]      ipv6_find_idev+0x102/0x170
[ 6409.212905][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6409.212905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.212905][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.212905][   T10]      netlink_unicast+0x449/0x710
[ 6409.212905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.212905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.212905][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.212905][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.212905][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.212905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.212905][   T10] 
[ 6409.214439][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6409.214439][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6409.214439][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6409.214439][   T10]      ipv6_find_idev+0x102/0x170
[ 6409.214439][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6409.214439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.214439][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.214439][   T10]      netlink_unicast+0x449/0x710
[ 6409.214439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.214439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.214439][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.214439][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.214439][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.214439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.214439][   T10] 
[ 6409.216127][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6409.216375][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.216375][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6409.216375][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6409.216375][   T10]      fib6_nh_init+0xa22/0x1580
[ 6409.216375][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.216375][   T10]      ip6_route_add+0x1c/0x140
[ 6409.216375][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6409.216375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.216375][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.216375][   T10]      netlink_unicast+0x449/0x710
[ 6409.216375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.216375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.216375][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.216375][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.216375][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.216375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.216375][   T10] 
[ 6409.218247][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.218247][   T10]      dst_init+0x84/0x4a0
[ 6409.218247][   T10]      dst_alloc+0x97/0x150
[ 6409.218247][   T10]      ip6_dst_alloc+0x23/0x90
[ 6409.218247][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6409.218247][   T10]      ip6_pol_route+0x56f/0x840
[ 6409.218247][   T10]      fib6_rule_lookup+0x456/0x630
[ 6409.218247][   T10]      ip6_route_input+0x59c/0xa50
[ 6409.218247][   T10]      ipv6_rcv+0x397/0x810
[ 6409.218247][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6409.218247][   T10]      process_backlog+0x101/0x620
[ 6409.218247][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6409.218247][   T10]      net_rx_action+0x495/0xbe0
[ 6409.218247][   T10]      __do_softirq+0x1b5/0x7f6
[ 6409.218247][   T10] 
[ 6409.219890][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.219890][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.219890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.219890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.219890][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6409.219890][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6409.219890][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6409.219890][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6409.219890][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6409.219890][   T10]      addrconf_dad_begin+0x310/0x670
[ 6409.219890][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6409.219890][   T10]      process_one_work+0x84d/0x18a0
[ 6409.219890][   T10]      worker_thread+0x587/0xd30
[ 6409.219890][   T10]      kthread+0x28a/0x350
[ 6409.219890][   T10]      ret_from_fork+0x31/0x70
[ 6409.219890][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6409.219890][   T10] 
[ 6409.221799][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.221799][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.221799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.221799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.221799][   T10]      ip6_route_add+0x1c/0x140
[ 6409.221799][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6409.221799][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6409.221799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.221799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.221799][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.221799][   T10]      netlink_unicast+0x449/0x710
[ 6409.221799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.221799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.221799][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.221799][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.221799][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.221799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.221799][   T10] 
[ 6409.223795][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.223795][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.223795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.223795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.223795][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6409.223795][   T10]      ipv6_add_addr+0x411/0x2000
[ 6409.223795][   T10]      inet6_addr_add+0x30e/0xa40
[ 6409.223795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.223795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.223795][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.223795][   T10]      netlink_unicast+0x449/0x710
[ 6409.223795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.223795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.223795][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.223795][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.223795][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.223795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.223795][   T10] 
[ 6409.225787][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.225787][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.225787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.225787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.225787][   T10]      ip6_route_add+0x1c/0x140
[ 6409.225787][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6409.225787][   T10]      addrconf_add_dev+0xe2/0x170
[ 6409.225787][   T10]      inet6_addr_add+0x12f/0xa40
[ 6409.225787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.225787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.225787][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.225787][   T10]      netlink_unicast+0x449/0x710
[ 6409.225787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.225787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.225787][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.225787][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.225787][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.225787][   T10] 
[ 6409.227878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.227878][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6409.227878][   T10]      ipv6_find_idev+0x102/0x170
[ 6409.227878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6409.227878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.227878][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.227878][   T10]      netlink_unicast+0x449/0x710
[ 6409.227878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.227878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.227878][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.227878][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.227878][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.227878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.227878][   T10] 
[ 6409.229597][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6409.229597][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6409.229597][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6409.229597][   T10]      ipv6_find_idev+0x102/0x170
[ 6409.229597][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6409.229597][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.229597][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.229597][   T10]      netlink_unicast+0x449/0x710
[ 6409.229597][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.229597][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.229597][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.229597][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.229597][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.229597][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.229597][   T10] 
[ 6409.231524][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6409.231835][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6409.231835][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.231835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.231835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.231835][   T10]      ip6_route_add+0x1c/0x140
[ 6409.231835][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6409.231835][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6409.231835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.231835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.231835][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.231835][   T10]      netlink_unicast+0x449/0x710
[ 6409.231835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.231835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.231835][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.231835][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.231835][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.231835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.231835][   T10] 
[ 6409.234009][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6409.234009][   T10]      netdev_get_by_index+0x5e/0x80
[ 6409.234009][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6409.234009][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6409.234009][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6409.234009][   T10]      ipv6_add_addr+0x411/0x2000
[ 6409.234009][   T10]      inet6_addr_add+0x30e/0xa40
[ 6409.234009][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6409.234009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.234009][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.234009][   T10]      netlink_unicast+0x449/0x710
[ 6409.234009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.234009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.234009][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.234009][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.234009][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.234009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.234009][   T10] 
[ 6409.236185][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6409.236185][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6409.236185][   T10]      ipv6_find_idev+0x102/0x170
[ 6409.236185][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6409.236185][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.236185][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.236185][   T10]      netlink_unicast+0x449/0x710
[ 6409.236185][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.236185][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.236185][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.236185][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.236185][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.236185][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.236185][   T10] 
[ 6409.237905][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6409.237905][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6409.237905][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6409.237905][   T10]      ipv6_find_idev+0x102/0x170
[ 6409.237905][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6409.237905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6409.237905][   T10]      netlink_rcv_skb+0x130/0x360
[ 6409.237905][   T10]      netlink_unicast+0x449/0x710
[ 6409.237905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6409.237905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6409.237905][   T10]      ___sys_sendmsg+0xee/0x170
[ 6409.237905][   T10]      __sys_sendmsg+0xcd/0x170
[ 6409.237905][   T10]      do_syscall_64+0xc6/0x1e0
[ 6409.237905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6409.237905][   T10] 
[ 6419.488710][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6419.489153][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.489153][   T10]      dst_init+0x84/0x4a0
[ 6419.489153][   T10]      dst_alloc+0x97/0x150
[ 6419.489153][   T10]      ip6_dst_alloc+0x23/0x90
[ 6419.489153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6419.489153][   T10]      ip6_pol_route+0x56f/0x840
[ 6419.489153][   T10]      fib6_rule_lookup+0x456/0x630
[ 6419.489153][   T10]      ip6_route_input+0x59c/0xa50
[ 6419.489153][   T10]      ipv6_rcv+0x397/0x810
[ 6419.489153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6419.489153][   T10]      process_backlog+0x101/0x620
[ 6419.489153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6419.489153][   T10]      net_rx_action+0x495/0xbe0
[ 6419.489153][   T10]      __do_softirq+0x1b5/0x7f6
[ 6419.489153][   T10] 
[ 6419.490822][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.490822][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6419.490822][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6419.490822][   T10]      fib6_nh_init+0xa22/0x1580
[ 6419.490822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.490822][   T10]      ip6_route_add+0x1c/0x140
[ 6419.490822][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6419.490822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.490822][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.490822][   T10]      netlink_unicast+0x449/0x710
[ 6419.490822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.490822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.490822][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.490822][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.490822][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.490822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.490822][   T10] 
[ 6419.492709][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.492709][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.492709][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.492709][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.492709][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6419.492709][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6419.492709][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6419.492709][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6419.492709][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6419.492709][   T10]      addrconf_dad_begin+0x310/0x670
[ 6419.492709][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6419.492709][   T10]      process_one_work+0x84d/0x18a0
[ 6419.492709][   T10]      worker_thread+0x587/0xd30
[ 6419.492709][   T10]      kthread+0x28a/0x350
[ 6419.492709][   T10]      ret_from_fork+0x31/0x70
[ 6419.492709][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6419.492709][   T10] 
[ 6419.494631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.494631][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.494631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.494631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.494631][   T10]      ip6_route_add+0x1c/0x140
[ 6419.494631][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6419.494631][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6419.494631][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.494631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.494631][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.494631][   T10]      netlink_unicast+0x449/0x710
[ 6419.494631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.494631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.494631][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.494631][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.494631][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.494631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.494631][   T10] 
[ 6419.496642][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.496642][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.496642][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.496642][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.496642][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6419.496642][   T10]      ipv6_add_addr+0x411/0x2000
[ 6419.496642][   T10]      inet6_addr_add+0x30e/0xa40
[ 6419.496642][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.496642][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.496642][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.496642][   T10]      netlink_unicast+0x449/0x710
[ 6419.496642][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.496642][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.496642][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.496642][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.496642][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.496642][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.496642][   T10] 
[ 6419.498640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.498640][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.498640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.498640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.498640][   T10]      ip6_route_add+0x1c/0x140
[ 6419.498640][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6419.498640][   T10]      addrconf_add_dev+0xe2/0x170
[ 6419.498640][   T10]      inet6_addr_add+0x12f/0xa40
[ 6419.498640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.498640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.498640][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.498640][   T10]      netlink_unicast+0x449/0x710
[ 6419.498640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.498640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.498640][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.498640][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.498640][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.498640][   T10] 
[ 6419.500604][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.500604][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6419.500604][   T10]      ipv6_find_idev+0x102/0x170
[ 6419.500604][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6419.500604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.500604][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.500604][   T10]      netlink_unicast+0x449/0x710
[ 6419.500604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.500604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.500604][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.500604][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.500604][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.500604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.500604][   T10] 
[ 6419.502143][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6419.502143][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6419.502143][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6419.502143][   T10]      ipv6_find_idev+0x102/0x170
[ 6419.502143][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6419.502143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.502143][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.502143][   T10]      netlink_unicast+0x449/0x710
[ 6419.502143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.502143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.502143][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.502143][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.502143][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.502143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.502143][   T10] 
[ 6419.503830][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6419.504071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.504071][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6419.504071][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6419.504071][   T10]      fib6_nh_init+0xa22/0x1580
[ 6419.504071][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.504071][   T10]      ip6_route_add+0x1c/0x140
[ 6419.504071][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6419.504071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.504071][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.504071][   T10]      netlink_unicast+0x449/0x710
[ 6419.504071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.504071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.504071][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.504071][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.504071][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.504071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.504071][   T10] 
[ 6419.505951][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.505951][   T10]      dst_init+0x84/0x4a0
[ 6419.505951][   T10]      dst_alloc+0x97/0x150
[ 6419.505951][   T10]      ip6_dst_alloc+0x23/0x90
[ 6419.505951][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6419.505951][   T10]      ip6_pol_route+0x56f/0x840
[ 6419.505951][   T10]      fib6_rule_lookup+0x456/0x630
[ 6419.505951][   T10]      ip6_route_input+0x59c/0xa50
[ 6419.505951][   T10]      ipv6_rcv+0x397/0x810
[ 6419.505951][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6419.505951][   T10]      process_backlog+0x101/0x620
[ 6419.505951][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6419.505951][   T10]      net_rx_action+0x495/0xbe0
[ 6419.505951][   T10]      __do_softirq+0x1b5/0x7f6
[ 6419.505951][   T10] 
[ 6419.507587][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.507587][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.507587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.507587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.507587][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6419.507587][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6419.507587][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6419.507587][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6419.507587][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6419.507587][   T10]      addrconf_dad_begin+0x310/0x670
[ 6419.507587][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6419.507587][   T10]      process_one_work+0x84d/0x18a0
[ 6419.507587][   T10]      worker_thread+0x587/0xd30
[ 6419.507587][   T10]      kthread+0x28a/0x350
[ 6419.507587][   T10]      ret_from_fork+0x31/0x70
[ 6419.507587][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6419.507587][   T10] 
[ 6419.509494][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.509494][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.509494][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.509494][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.509494][   T10]      ip6_route_add+0x1c/0x140
[ 6419.509494][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6419.509494][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6419.509494][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.509494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.509494][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.509494][   T10]      netlink_unicast+0x449/0x710
[ 6419.509494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.509494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.509494][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.509494][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.509494][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.509494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.509494][   T10] 
[ 6419.511600][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.511600][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.511600][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.511600][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.511600][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6419.511600][   T10]      ipv6_add_addr+0x411/0x2000
[ 6419.511600][   T10]      inet6_addr_add+0x30e/0xa40
[ 6419.511600][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.511600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.511600][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.511600][   T10]      netlink_unicast+0x449/0x710
[ 6419.511600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.511600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.511600][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.511600][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.511600][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.511600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.511600][   T10] 
[ 6419.513599][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.513599][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.513599][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.513599][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.513599][   T10]      ip6_route_add+0x1c/0x140
[ 6419.513599][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6419.513599][   T10]      addrconf_add_dev+0xe2/0x170
[ 6419.513599][   T10]      inet6_addr_add+0x12f/0xa40
[ 6419.513599][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.513599][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.513599][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.513599][   T10]      netlink_unicast+0x449/0x710
[ 6419.513599][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.513599][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.513599][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.513599][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.513599][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.513599][   T10] 
[ 6419.515754][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.515754][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6419.515754][   T10]      ipv6_find_idev+0x102/0x170
[ 6419.515754][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6419.515754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.515754][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.515754][   T10]      netlink_unicast+0x449/0x710
[ 6419.515754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.515754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.515754][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.515754][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.515754][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.515754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.515754][   T10] 
[ 6419.517558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6419.517558][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6419.517558][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6419.517558][   T10]      ipv6_find_idev+0x102/0x170
[ 6419.517558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6419.517558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.517558][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.517558][   T10]      netlink_unicast+0x449/0x710
[ 6419.517558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.517558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.517558][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.517558][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.517558][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.517558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.517558][   T10] 
[ 6419.519439][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6419.519758][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6419.519758][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.519758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.519758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.519758][   T10]      ip6_route_add+0x1c/0x140
[ 6419.519758][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6419.519758][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6419.519758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.519758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.519758][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.519758][   T10]      netlink_unicast+0x449/0x710
[ 6419.519758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.519758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.519758][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.519758][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.519758][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.519758][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.519758][   T10] 
[ 6419.521944][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6419.521944][   T10]      netdev_get_by_index+0x5e/0x80
[ 6419.521944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6419.521944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6419.521944][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6419.521944][   T10]      ipv6_add_addr+0x411/0x2000
[ 6419.521944][   T10]      inet6_addr_add+0x30e/0xa40
[ 6419.521944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6419.521944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.521944][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.521944][   T10]      netlink_unicast+0x449/0x710
[ 6419.521944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.521944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.521944][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.521944][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.521944][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.521944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.521944][   T10] 
[ 6419.524176][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6419.524176][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6419.524176][   T10]      ipv6_find_idev+0x102/0x170
[ 6419.524176][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6419.524176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.524176][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.524176][   T10]      netlink_unicast+0x449/0x710
[ 6419.524176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.524176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.524176][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.524176][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.524176][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.524176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.524176][   T10] 
[ 6419.525958][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6419.525958][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6419.525958][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6419.525958][   T10]      ipv6_find_idev+0x102/0x170
[ 6419.525958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6419.525958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6419.525958][   T10]      netlink_rcv_skb+0x130/0x360
[ 6419.525958][   T10]      netlink_unicast+0x449/0x710
[ 6419.525958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6419.525958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6419.525958][   T10]      ___sys_sendmsg+0xee/0x170
[ 6419.525958][   T10]      __sys_sendmsg+0xcd/0x170
[ 6419.525958][   T10]      do_syscall_64+0xc6/0x1e0
[ 6419.525958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6419.525958][   T10] 
[ 6429.744811][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6429.745564][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.745564][   T10]      dst_init+0x84/0x4a0
[ 6429.745564][   T10]      dst_alloc+0x97/0x150
[ 6429.745564][   T10]      ip6_dst_alloc+0x23/0x90
[ 6429.745564][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6429.745564][   T10]      ip6_pol_route+0x56f/0x840
[ 6429.745564][   T10]      fib6_rule_lookup+0x456/0x630
[ 6429.745564][   T10]      ip6_route_input+0x59c/0xa50
[ 6429.745564][   T10]      ipv6_rcv+0x397/0x810
[ 6429.745564][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6429.745564][   T10]      process_backlog+0x101/0x620
[ 6429.745564][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6429.745564][   T10]      net_rx_action+0x495/0xbe0
[ 6429.745564][   T10]      __do_softirq+0x1b5/0x7f6
[ 6429.745564][   T10] 
[ 6429.747235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.747235][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6429.747235][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6429.747235][   T10]      fib6_nh_init+0xa22/0x1580
[ 6429.747235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.747235][   T10]      ip6_route_add+0x1c/0x140
[ 6429.747235][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6429.747235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.747235][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.747235][   T10]      netlink_unicast+0x449/0x710
[ 6429.747235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.747235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.747235][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.747235][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.747235][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.747235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.747235][   T10] 
[ 6429.749123][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.749123][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.749123][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.749123][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.749123][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6429.749123][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6429.749123][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6429.749123][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6429.749123][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6429.749123][   T10]      addrconf_dad_begin+0x310/0x670
[ 6429.749123][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6429.749123][   T10]      process_one_work+0x84d/0x18a0
[ 6429.749123][   T10]      worker_thread+0x587/0xd30
[ 6429.749123][   T10]      kthread+0x28a/0x350
[ 6429.749123][   T10]      ret_from_fork+0x31/0x70
[ 6429.749123][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6429.749123][   T10] 
[ 6429.751032][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.751032][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.751032][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.751032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.751032][   T10]      ip6_route_add+0x1c/0x140
[ 6429.751032][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6429.751032][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6429.751032][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.751032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.751032][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.751032][   T10]      netlink_unicast+0x449/0x710
[ 6429.751032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.751032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.751032][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.751032][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.751032][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.751032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.751032][   T10] 
[ 6429.753028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.753028][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.753028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.753028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.753028][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6429.753028][   T10]      ipv6_add_addr+0x411/0x2000
[ 6429.753028][   T10]      inet6_addr_add+0x30e/0xa40
[ 6429.753028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.753028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.753028][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.753028][   T10]      netlink_unicast+0x449/0x710
[ 6429.753028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.753028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.753028][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.753028][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.753028][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.753028][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.753028][   T10] 
[ 6429.755028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.755028][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.755028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.755028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.755028][   T10]      ip6_route_add+0x1c/0x140
[ 6429.755028][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6429.755028][   T10]      addrconf_add_dev+0xe2/0x170
[ 6429.755028][   T10]      inet6_addr_add+0x12f/0xa40
[ 6429.755028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.755028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.755028][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.755028][   T10]      netlink_unicast+0x449/0x710
[ 6429.755028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.755028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.755028][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.755028][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.755028][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.755028][   T10] 
[ 6429.756998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.756998][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6429.756998][   T10]      ipv6_find_idev+0x102/0x170
[ 6429.756998][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6429.756998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.756998][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.756998][   T10]      netlink_unicast+0x449/0x710
[ 6429.756998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.756998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.756998][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.756998][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.756998][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.756998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.756998][   T10] 
[ 6429.758550][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6429.758550][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6429.758550][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6429.758550][   T10]      ipv6_find_idev+0x102/0x170
[ 6429.758550][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6429.758550][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.758550][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.758550][   T10]      netlink_unicast+0x449/0x710
[ 6429.758550][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.758550][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.758550][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.758550][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.758550][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.758550][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.758550][   T10] 
[ 6429.760255][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6429.760495][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.760495][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6429.760495][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6429.760495][   T10]      fib6_nh_init+0xa22/0x1580
[ 6429.760495][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.760495][   T10]      ip6_route_add+0x1c/0x140
[ 6429.760495][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6429.760495][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.760495][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.760495][   T10]      netlink_unicast+0x449/0x710
[ 6429.760495][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.760495][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.760495][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.760495][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.760495][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.760495][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.760495][   T10] 
[ 6429.762431][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.762431][   T10]      dst_init+0x84/0x4a0
[ 6429.762431][   T10]      dst_alloc+0x97/0x150
[ 6429.762431][   T10]      ip6_dst_alloc+0x23/0x90
[ 6429.762431][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6429.762431][   T10]      ip6_pol_route+0x56f/0x840
[ 6429.762431][   T10]      fib6_rule_lookup+0x456/0x630
[ 6429.762431][   T10]      ip6_route_input+0x59c/0xa50
[ 6429.762431][   T10]      ipv6_rcv+0x397/0x810
[ 6429.762431][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6429.762431][   T10]      process_backlog+0x101/0x620
[ 6429.762431][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6429.762431][   T10]      net_rx_action+0x495/0xbe0
[ 6429.762431][   T10]      __do_softirq+0x1b5/0x7f6
[ 6429.762431][   T10] 
[ 6429.764070][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.764070][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.764070][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.764070][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.764070][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6429.764070][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6429.764070][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6429.764070][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6429.764070][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6429.764070][   T10]      addrconf_dad_begin+0x310/0x670
[ 6429.764070][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6429.764070][   T10]      process_one_work+0x84d/0x18a0
[ 6429.764070][   T10]      worker_thread+0x587/0xd30
[ 6429.764070][   T10]      kthread+0x28a/0x350
[ 6429.764070][   T10]      ret_from_fork+0x31/0x70
[ 6429.764070][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6429.764070][   T10] 
[ 6429.765981][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.765981][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.765981][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.765981][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.765981][   T10]      ip6_route_add+0x1c/0x140
[ 6429.765981][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6429.765981][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6429.765981][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.765981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.765981][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.765981][   T10]      netlink_unicast+0x449/0x710
[ 6429.765981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.765981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.765981][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.765981][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.765981][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.765981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.765981][   T10] 
[ 6429.767984][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.767984][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.767984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.767984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.767984][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6429.767984][   T10]      ipv6_add_addr+0x411/0x2000
[ 6429.767984][   T10]      inet6_addr_add+0x30e/0xa40
[ 6429.767984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.767984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.767984][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.767984][   T10]      netlink_unicast+0x449/0x710
[ 6429.767984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.767984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.767984][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.767984][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.767984][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.767984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.767984][   T10] 
[ 6429.769979][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.769979][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.769979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.769979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.769979][   T10]      ip6_route_add+0x1c/0x140
[ 6429.769979][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6429.769979][   T10]      addrconf_add_dev+0xe2/0x170
[ 6429.769979][   T10]      inet6_addr_add+0x12f/0xa40
[ 6429.769979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.769979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.769979][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.769979][   T10]      netlink_unicast+0x449/0x710
[ 6429.769979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.769979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.769979][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.769979][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.769979][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.769979][   T10] 
[ 6429.772130][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.772130][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6429.772130][   T10]      ipv6_find_idev+0x102/0x170
[ 6429.772130][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6429.772130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.772130][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.772130][   T10]      netlink_unicast+0x449/0x710
[ 6429.772130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.772130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.772130][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.772130][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.772130][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.772130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.772130][   T10] 
[ 6429.773851][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6429.773851][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6429.773851][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6429.773851][   T10]      ipv6_find_idev+0x102/0x170
[ 6429.773851][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6429.773851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.773851][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.773851][   T10]      netlink_unicast+0x449/0x710
[ 6429.773851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.773851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.773851][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.773851][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.773851][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.773851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.773851][   T10] 
[ 6429.775784][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6429.776025][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6429.776025][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.776025][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.776025][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.776025][   T10]      ip6_route_add+0x1c/0x140
[ 6429.776025][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6429.776025][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6429.776025][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.776025][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.776025][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.776025][   T10]      netlink_unicast+0x449/0x710
[ 6429.776025][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.776025][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.776025][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.776025][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.776025][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.776025][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.776025][   T10] 
[ 6429.778272][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6429.778272][   T10]      netdev_get_by_index+0x5e/0x80
[ 6429.778272][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6429.778272][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6429.778272][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6429.778272][   T10]      ipv6_add_addr+0x411/0x2000
[ 6429.778272][   T10]      inet6_addr_add+0x30e/0xa40
[ 6429.778272][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6429.778272][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.778272][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.778272][   T10]      netlink_unicast+0x449/0x710
[ 6429.778272][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.778272][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.778272][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.778272][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.778272][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.778272][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.778272][   T10] 
[ 6429.780504][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6429.780504][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6429.780504][   T10]      ipv6_find_idev+0x102/0x170
[ 6429.780504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6429.780504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.780504][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.780504][   T10]      netlink_unicast+0x449/0x710
[ 6429.780504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.780504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.780504][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.780504][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.780504][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.780504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.780504][   T10] 
[ 6429.782217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6429.782217][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6429.782217][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6429.782217][   T10]      ipv6_find_idev+0x102/0x170
[ 6429.782217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6429.782217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6429.782217][   T10]      netlink_rcv_skb+0x130/0x360
[ 6429.782217][   T10]      netlink_unicast+0x449/0x710
[ 6429.782217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6429.782217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6429.782217][   T10]      ___sys_sendmsg+0xee/0x170
[ 6429.782217][   T10]      __sys_sendmsg+0xcd/0x170
[ 6429.782217][   T10]      do_syscall_64+0xc6/0x1e0
[ 6429.782217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6429.782217][   T10] 
[ 6440.024773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6440.025412][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.025412][   T10]      dst_init+0x84/0x4a0
[ 6440.025412][   T10]      dst_alloc+0x97/0x150
[ 6440.025412][   T10]      ip6_dst_alloc+0x23/0x90
[ 6440.025412][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6440.025412][   T10]      ip6_pol_route+0x56f/0x840
[ 6440.025412][   T10]      fib6_rule_lookup+0x456/0x630
[ 6440.025412][   T10]      ip6_route_input+0x59c/0xa50
[ 6440.025412][   T10]      ipv6_rcv+0x397/0x810
[ 6440.025412][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6440.025412][   T10]      process_backlog+0x101/0x620
[ 6440.025412][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6440.025412][   T10]      net_rx_action+0x495/0xbe0
[ 6440.025412][   T10]      __do_softirq+0x1b5/0x7f6
[ 6440.025412][   T10] 
[ 6440.027129][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.027129][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6440.027129][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6440.027129][   T10]      fib6_nh_init+0xa22/0x1580
[ 6440.027129][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.027129][   T10]      ip6_route_add+0x1c/0x140
[ 6440.027129][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6440.027129][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.027129][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.027129][   T10]      netlink_unicast+0x449/0x710
[ 6440.027129][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.027129][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.027129][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.027129][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.027129][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.027129][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.027129][   T10] 
[ 6440.029031][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.029031][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.029031][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.029031][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.029031][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6440.029031][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6440.029031][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6440.029031][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6440.029031][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6440.029031][   T10]      addrconf_dad_begin+0x310/0x670
[ 6440.029031][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6440.029031][   T10]      process_one_work+0x84d/0x18a0
[ 6440.029031][   T10]      worker_thread+0x587/0xd30
[ 6440.029031][   T10]      kthread+0x28a/0x350
[ 6440.029031][   T10]      ret_from_fork+0x31/0x70
[ 6440.029031][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6440.029031][   T10] 
[ 6440.030940][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.030940][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.030940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.030940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.030940][   T10]      ip6_route_add+0x1c/0x140
[ 6440.030940][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6440.030940][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6440.030940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.030940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.030940][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.030940][   T10]      netlink_unicast+0x449/0x710
[ 6440.030940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.030940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.030940][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.030940][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.030940][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.030940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.030940][   T10] 
[ 6440.032936][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.032936][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.032936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.032936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.032936][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6440.032936][   T10]      ipv6_add_addr+0x411/0x2000
[ 6440.032936][   T10]      inet6_addr_add+0x30e/0xa40
[ 6440.032936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.032936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.032936][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.032936][   T10]      netlink_unicast+0x449/0x710
[ 6440.032936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.032936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.032936][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.032936][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.032936][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.032936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.032936][   T10] 
[ 6440.034937][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.034937][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.034937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.034937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.034937][   T10]      ip6_route_add+0x1c/0x140
[ 6440.034937][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6440.034937][   T10]      addrconf_add_dev+0xe2/0x170
[ 6440.034937][   T10]      inet6_addr_add+0x12f/0xa40
[ 6440.034937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.034937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.034937][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.034937][   T10]      netlink_unicast+0x449/0x710
[ 6440.034937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.034937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.034937][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.034937][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.034937][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.034937][   T10] 
[ 6440.036903][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.036903][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6440.036903][   T10]      ipv6_find_idev+0x102/0x170
[ 6440.036903][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6440.036903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.036903][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.036903][   T10]      netlink_unicast+0x449/0x710
[ 6440.036903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.036903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.036903][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.036903][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.036903][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.036903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.036903][   T10] 
[ 6440.038443][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6440.038443][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6440.038443][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6440.038443][   T10]      ipv6_find_idev+0x102/0x170
[ 6440.038443][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6440.038443][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.038443][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.038443][   T10]      netlink_unicast+0x449/0x710
[ 6440.038443][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.038443][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.038443][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.038443][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.038443][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.038443][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.038443][   T10] 
[ 6440.040133][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6440.040377][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.040377][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6440.040377][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6440.040377][   T10]      fib6_nh_init+0xa22/0x1580
[ 6440.040377][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.040377][   T10]      ip6_route_add+0x1c/0x140
[ 6440.040377][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6440.040377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.040377][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.040377][   T10]      netlink_unicast+0x449/0x710
[ 6440.040377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.040377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.040377][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.040377][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.040377][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.040377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.040377][   T10] 
[ 6440.042266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.042266][   T10]      dst_init+0x84/0x4a0
[ 6440.042266][   T10]      dst_alloc+0x97/0x150
[ 6440.042266][   T10]      ip6_dst_alloc+0x23/0x90
[ 6440.042266][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6440.042266][   T10]      ip6_pol_route+0x56f/0x840
[ 6440.042266][   T10]      fib6_rule_lookup+0x456/0x630
[ 6440.042266][   T10]      ip6_route_input+0x59c/0xa50
[ 6440.042266][   T10]      ipv6_rcv+0x397/0x810
[ 6440.042266][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6440.042266][   T10]      process_backlog+0x101/0x620
[ 6440.042266][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6440.042266][   T10]      net_rx_action+0x495/0xbe0
[ 6440.042266][   T10]      __do_softirq+0x1b5/0x7f6
[ 6440.042266][   T10] 
[ 6440.043868][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.043868][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.043868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.043868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.043868][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6440.043868][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6440.043868][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6440.043868][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6440.043868][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6440.043868][   T10]      addrconf_dad_begin+0x310/0x670
[ 6440.043868][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6440.043868][   T10]      process_one_work+0x84d/0x18a0
[ 6440.043868][   T10]      worker_thread+0x587/0xd30
[ 6440.043868][   T10]      kthread+0x28a/0x350
[ 6440.043868][   T10]      ret_from_fork+0x31/0x70
[ 6440.043868][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6440.043868][   T10] 
[ 6440.045784][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.045784][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.045784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.045784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.045784][   T10]      ip6_route_add+0x1c/0x140
[ 6440.045784][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6440.045784][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6440.045784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.045784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.045784][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.045784][   T10]      netlink_unicast+0x449/0x710
[ 6440.045784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.045784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.045784][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.045784][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.045784][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.045784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.045784][   T10] 
[ 6440.047778][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.047778][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.047778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.047778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.047778][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6440.047778][   T10]      ipv6_add_addr+0x411/0x2000
[ 6440.047778][   T10]      inet6_addr_add+0x30e/0xa40
[ 6440.047778][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.047778][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.047778][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.047778][   T10]      netlink_unicast+0x449/0x710
[ 6440.047778][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.047778][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.047778][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.047778][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.047778][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.047778][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.047778][   T10] 
[ 6440.049775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.049775][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.049775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.049775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.049775][   T10]      ip6_route_add+0x1c/0x140
[ 6440.049775][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6440.049775][   T10]      addrconf_add_dev+0xe2/0x170
[ 6440.049775][   T10]      inet6_addr_add+0x12f/0xa40
[ 6440.049775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.049775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.049775][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.049775][   T10]      netlink_unicast+0x449/0x710
[ 6440.049775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.049775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.049775][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.049775][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.049775][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.049775][   T10] 
[ 6440.051927][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.051927][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6440.051927][   T10]      ipv6_find_idev+0x102/0x170
[ 6440.051927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6440.051927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.051927][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.051927][   T10]      netlink_unicast+0x449/0x710
[ 6440.051927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.051927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.051927][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.051927][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.051927][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.051927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.051927][   T10] 
[ 6440.053719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6440.053719][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6440.053719][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6440.053719][   T10]      ipv6_find_idev+0x102/0x170
[ 6440.053719][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6440.053719][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.053719][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.053719][   T10]      netlink_unicast+0x449/0x710
[ 6440.053719][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.053719][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.053719][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.053719][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.053719][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.053719][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.053719][   T10] 
[ 6440.055593][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6440.055829][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6440.055829][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.055829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.055829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.055829][   T10]      ip6_route_add+0x1c/0x140
[ 6440.055829][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6440.055829][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6440.055829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.055829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.055829][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.055829][   T10]      netlink_unicast+0x449/0x710
[ 6440.055829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.055829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.055829][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.055829][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.055829][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.055829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.055829][   T10] 
[ 6440.058075][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6440.058075][   T10]      netdev_get_by_index+0x5e/0x80
[ 6440.058075][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6440.058075][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6440.058075][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6440.058075][   T10]      ipv6_add_addr+0x411/0x2000
[ 6440.058075][   T10]      inet6_addr_add+0x30e/0xa40
[ 6440.058075][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6440.058075][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.058075][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.058075][   T10]      netlink_unicast+0x449/0x710
[ 6440.058075][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.058075][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.058075][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.058075][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.058075][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.058075][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.058075][   T10] 
[ 6440.060249][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6440.060249][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6440.060249][   T10]      ipv6_find_idev+0x102/0x170
[ 6440.060249][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6440.060249][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.060249][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.060249][   T10]      netlink_unicast+0x449/0x710
[ 6440.060249][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.060249][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.060249][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.060249][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.060249][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.060249][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.060249][   T10] 
[ 6440.062032][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6440.062032][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6440.062032][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6440.062032][   T10]      ipv6_find_idev+0x102/0x170
[ 6440.062032][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6440.062032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6440.062032][   T10]      netlink_rcv_skb+0x130/0x360
[ 6440.062032][   T10]      netlink_unicast+0x449/0x710
[ 6440.062032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6440.062032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6440.062032][   T10]      ___sys_sendmsg+0xee/0x170
[ 6440.062032][   T10]      __sys_sendmsg+0xcd/0x170
[ 6440.062032][   T10]      do_syscall_64+0xc6/0x1e0
[ 6440.062032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6440.062032][   T10] 
[ 6450.304763][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6450.305211][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.305211][   T10]      dst_init+0x84/0x4a0
[ 6450.305211][   T10]      dst_alloc+0x97/0x150
[ 6450.305211][   T10]      ip6_dst_alloc+0x23/0x90
[ 6450.305211][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6450.305211][   T10]      ip6_pol_route+0x56f/0x840
[ 6450.305211][   T10]      fib6_rule_lookup+0x456/0x630
[ 6450.305211][   T10]      ip6_route_input+0x59c/0xa50
[ 6450.305211][   T10]      ipv6_rcv+0x397/0x810
[ 6450.305211][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6450.305211][   T10]      process_backlog+0x101/0x620
[ 6450.305211][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6450.305211][   T10]      net_rx_action+0x495/0xbe0
[ 6450.305211][   T10]      __do_softirq+0x1b5/0x7f6
[ 6450.305211][   T10] 
[ 6450.306894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.306894][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6450.306894][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6450.306894][   T10]      fib6_nh_init+0xa22/0x1580
[ 6450.306894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.306894][   T10]      ip6_route_add+0x1c/0x140
[ 6450.306894][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6450.306894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.306894][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.306894][   T10]      netlink_unicast+0x449/0x710
[ 6450.306894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.306894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.306894][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.306894][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.306894][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.306894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.306894][   T10] 
[ 6450.308778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.308778][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.308778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.308778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.308778][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6450.308778][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6450.308778][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6450.308778][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6450.308778][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6450.308778][   T10]      addrconf_dad_begin+0x310/0x670
[ 6450.308778][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6450.308778][   T10]      process_one_work+0x84d/0x18a0
[ 6450.308778][   T10]      worker_thread+0x587/0xd30
[ 6450.308778][   T10]      kthread+0x28a/0x350
[ 6450.308778][   T10]      ret_from_fork+0x31/0x70
[ 6450.308778][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6450.308778][   T10] 
[ 6450.310685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.310685][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.310685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.310685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.310685][   T10]      ip6_route_add+0x1c/0x140
[ 6450.310685][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6450.310685][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6450.310685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.310685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.310685][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.310685][   T10]      netlink_unicast+0x449/0x710
[ 6450.310685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.310685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.310685][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.310685][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.310685][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.310685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.310685][   T10] 
[ 6450.312680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.312680][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.312680][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.312680][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.312680][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6450.312680][   T10]      ipv6_add_addr+0x411/0x2000
[ 6450.312680][   T10]      inet6_addr_add+0x30e/0xa40
[ 6450.312680][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.312680][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.312680][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.312680][   T10]      netlink_unicast+0x449/0x710
[ 6450.312680][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.312680][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.312680][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.312680][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.312680][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.312680][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.312680][   T10] 
[ 6450.314673][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.314673][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.314673][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.314673][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.314673][   T10]      ip6_route_add+0x1c/0x140
[ 6450.314673][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6450.314673][   T10]      addrconf_add_dev+0xe2/0x170
[ 6450.314673][   T10]      inet6_addr_add+0x12f/0xa40
[ 6450.314673][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.314673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.314673][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.314673][   T10]      netlink_unicast+0x449/0x710
[ 6450.314673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.314673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.314673][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.314673][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.314673][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.314673][   T10] 
[ 6450.316648][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.316648][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6450.316648][   T10]      ipv6_find_idev+0x102/0x170
[ 6450.316648][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6450.316648][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.316648][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.316648][   T10]      netlink_unicast+0x449/0x710
[ 6450.316648][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.316648][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.316648][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.316648][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.316648][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.316648][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.316648][   T10] 
[ 6450.318204][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6450.318204][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6450.318204][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6450.318204][   T10]      ipv6_find_idev+0x102/0x170
[ 6450.318204][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6450.318204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.318204][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.318204][   T10]      netlink_unicast+0x449/0x710
[ 6450.318204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.318204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.318204][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.318204][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.318204][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.318204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.318204][   T10] 
[ 6450.319907][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6450.320149][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.320149][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6450.320149][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6450.320149][   T10]      fib6_nh_init+0xa22/0x1580
[ 6450.320149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.320149][   T10]      ip6_route_add+0x1c/0x140
[ 6450.320149][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6450.320149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.320149][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.320149][   T10]      netlink_unicast+0x449/0x710
[ 6450.320149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.320149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.320149][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.320149][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.320149][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.320149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.320149][   T10] 
[ 6450.322029][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.322029][   T10]      dst_init+0x84/0x4a0
[ 6450.322029][   T10]      dst_alloc+0x97/0x150
[ 6450.322029][   T10]      ip6_dst_alloc+0x23/0x90
[ 6450.322029][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6450.322029][   T10]      ip6_pol_route+0x56f/0x840
[ 6450.322029][   T10]      fib6_rule_lookup+0x456/0x630
[ 6450.322029][   T10]      ip6_route_input+0x59c/0xa50
[ 6450.322029][   T10]      ipv6_rcv+0x397/0x810
[ 6450.322029][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6450.322029][   T10]      process_backlog+0x101/0x620
[ 6450.322029][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6450.322029][   T10]      net_rx_action+0x495/0xbe0
[ 6450.322029][   T10]      __do_softirq+0x1b5/0x7f6
[ 6450.322029][   T10] 
[ 6450.323656][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.323656][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.323656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.323656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.323656][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6450.323656][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6450.323656][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6450.323656][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6450.323656][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6450.323656][   T10]      addrconf_dad_begin+0x310/0x670
[ 6450.323656][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6450.323656][   T10]      process_one_work+0x84d/0x18a0
[ 6450.323656][   T10]      worker_thread+0x587/0xd30
[ 6450.323656][   T10]      kthread+0x28a/0x350
[ 6450.323656][   T10]      ret_from_fork+0x31/0x70
[ 6450.323656][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6450.323656][   T10] 
[ 6450.325556][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.325556][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.325556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.325556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.325556][   T10]      ip6_route_add+0x1c/0x140
[ 6450.325556][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6450.325556][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6450.325556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.325556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.325556][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.325556][   T10]      netlink_unicast+0x449/0x710
[ 6450.325556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.325556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.325556][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.325556][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.325556][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.325556][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.325556][   T10] 
[ 6450.327551][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.327551][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.327551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.327551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.327551][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6450.327551][   T10]      ipv6_add_addr+0x411/0x2000
[ 6450.327551][   T10]      inet6_addr_add+0x30e/0xa40
[ 6450.327551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.327551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.327551][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.327551][   T10]      netlink_unicast+0x449/0x710
[ 6450.327551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.327551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.327551][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.327551][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.327551][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.327551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.327551][   T10] 
[ 6450.329542][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.329542][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.329542][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.329542][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.329542][   T10]      ip6_route_add+0x1c/0x140
[ 6450.329542][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6450.329542][   T10]      addrconf_add_dev+0xe2/0x170
[ 6450.329542][   T10]      inet6_addr_add+0x12f/0xa40
[ 6450.329542][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.329542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.329542][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.329542][   T10]      netlink_unicast+0x449/0x710
[ 6450.329542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.329542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.329542][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.329542][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.329542][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.329542][   T10] 
[ 6450.331677][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.331677][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6450.331677][   T10]      ipv6_find_idev+0x102/0x170
[ 6450.331677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6450.331677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.331677][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.331677][   T10]      netlink_unicast+0x449/0x710
[ 6450.331677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.331677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.331677][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.331677][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.331677][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.331677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.331677][   T10] 
[ 6450.333392][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6450.333392][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6450.333392][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6450.333392][   T10]      ipv6_find_idev+0x102/0x170
[ 6450.333392][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6450.333392][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.333392][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.333392][   T10]      netlink_unicast+0x449/0x710
[ 6450.333392][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.333392][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.333392][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.333392][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.333392][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.333392][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.333392][   T10] 
[ 6450.335326][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6450.335565][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6450.335565][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.335565][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.335565][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.335565][   T10]      ip6_route_add+0x1c/0x140
[ 6450.335565][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6450.335565][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6450.335565][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.335565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.335565][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.335565][   T10]      netlink_unicast+0x449/0x710
[ 6450.335565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.335565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.335565][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.335565][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.335565][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.335565][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.335565][   T10] 
[ 6450.337821][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6450.337821][   T10]      netdev_get_by_index+0x5e/0x80
[ 6450.337821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6450.337821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6450.337821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6450.337821][   T10]      ipv6_add_addr+0x411/0x2000
[ 6450.337821][   T10]      inet6_addr_add+0x30e/0xa40
[ 6450.337821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6450.337821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.337821][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.337821][   T10]      netlink_unicast+0x449/0x710
[ 6450.337821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.337821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.337821][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.337821][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.337821][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.337821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.337821][   T10] 
[ 6450.340058][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6450.340058][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6450.340058][   T10]      ipv6_find_idev+0x102/0x170
[ 6450.340058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6450.340058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.340058][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.340058][   T10]      netlink_unicast+0x449/0x710
[ 6450.340058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.340058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.340058][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.340058][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.340058][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.340058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.340058][   T10] 
[ 6450.341774][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6450.341774][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6450.341774][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6450.341774][   T10]      ipv6_find_idev+0x102/0x170
[ 6450.341774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6450.341774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6450.341774][   T10]      netlink_rcv_skb+0x130/0x360
[ 6450.341774][   T10]      netlink_unicast+0x449/0x710
[ 6450.341774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6450.341774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6450.341774][   T10]      ___sys_sendmsg+0xee/0x170
[ 6450.341774][   T10]      __sys_sendmsg+0xcd/0x170
[ 6450.341774][   T10]      do_syscall_64+0xc6/0x1e0
[ 6450.341774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6450.341774][   T10] 
[ 6460.584709][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6460.585173][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.585173][   T10]      dst_init+0x84/0x4a0
[ 6460.585173][   T10]      dst_alloc+0x97/0x150
[ 6460.585173][   T10]      ip6_dst_alloc+0x23/0x90
[ 6460.585173][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6460.585173][   T10]      ip6_pol_route+0x56f/0x840
[ 6460.585173][   T10]      fib6_rule_lookup+0x456/0x630
[ 6460.585173][   T10]      ip6_route_input+0x59c/0xa50
[ 6460.585173][   T10]      ipv6_rcv+0x397/0x810
[ 6460.585173][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6460.585173][   T10]      process_backlog+0x101/0x620
[ 6460.585173][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6460.585173][   T10]      net_rx_action+0x495/0xbe0
[ 6460.585173][   T10]      __do_softirq+0x1b5/0x7f6
[ 6460.585173][   T10] 
[ 6460.586855][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.586855][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6460.586855][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6460.586855][   T10]      fib6_nh_init+0xa22/0x1580
[ 6460.586855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.586855][   T10]      ip6_route_add+0x1c/0x140
[ 6460.586855][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6460.586855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.586855][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.586855][   T10]      netlink_unicast+0x449/0x710
[ 6460.586855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.586855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.586855][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.586855][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.586855][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.586855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.586855][   T10] 
[ 6460.588744][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.588744][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.588744][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.588744][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.588744][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6460.588744][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6460.588744][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6460.588744][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6460.588744][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6460.588744][   T10]      addrconf_dad_begin+0x310/0x670
[ 6460.588744][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6460.588744][   T10]      process_one_work+0x84d/0x18a0
[ 6460.588744][   T10]      worker_thread+0x587/0xd30
[ 6460.588744][   T10]      kthread+0x28a/0x350
[ 6460.588744][   T10]      ret_from_fork+0x31/0x70
[ 6460.588744][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6460.588744][   T10] 
[ 6460.590649][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.590649][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.590649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.590649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.590649][   T10]      ip6_route_add+0x1c/0x140
[ 6460.590649][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6460.590649][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6460.590649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.590649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.590649][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.590649][   T10]      netlink_unicast+0x449/0x710
[ 6460.590649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.590649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.590649][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.590649][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.590649][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.590649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.590649][   T10] 
[ 6460.592649][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.592649][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.592649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.592649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.592649][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6460.592649][   T10]      ipv6_add_addr+0x411/0x2000
[ 6460.592649][   T10]      inet6_addr_add+0x30e/0xa40
[ 6460.592649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.592649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.592649][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.592649][   T10]      netlink_unicast+0x449/0x710
[ 6460.592649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.592649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.592649][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.592649][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.592649][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.592649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.592649][   T10] 
[ 6460.594649][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.594649][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.594649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.594649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.594649][   T10]      ip6_route_add+0x1c/0x140
[ 6460.594649][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6460.594649][   T10]      addrconf_add_dev+0xe2/0x170
[ 6460.594649][   T10]      inet6_addr_add+0x12f/0xa40
[ 6460.594649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.594649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.594649][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.594649][   T10]      netlink_unicast+0x449/0x710
[ 6460.594649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.594649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.594649][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.594649][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.594649][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.594649][   T10] 
[ 6460.596619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.596619][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6460.596619][   T10]      ipv6_find_idev+0x102/0x170
[ 6460.596619][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6460.596619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.596619][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.596619][   T10]      netlink_unicast+0x449/0x710
[ 6460.596619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.596619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.596619][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.596619][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.596619][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.596619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.596619][   T10] 
[ 6460.598155][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6460.598155][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6460.598155][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6460.598155][   T10]      ipv6_find_idev+0x102/0x170
[ 6460.598155][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6460.598155][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.598155][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.598155][   T10]      netlink_unicast+0x449/0x710
[ 6460.598155][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.598155][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.598155][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.598155][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.598155][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.598155][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.598155][   T10] 
[ 6460.599853][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6460.600637][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.600637][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6460.600637][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6460.600637][   T10]      fib6_nh_init+0xa22/0x1580
[ 6460.600637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.600637][   T10]      ip6_route_add+0x1c/0x140
[ 6460.600637][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6460.600637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.600637][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.600637][   T10]      netlink_unicast+0x449/0x710
[ 6460.600637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.600637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.600637][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.600637][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.600637][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.600637][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.600637][   T10] 
[ 6460.602523][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.602523][   T10]      dst_init+0x84/0x4a0
[ 6460.602523][   T10]      dst_alloc+0x97/0x150
[ 6460.602523][   T10]      ip6_dst_alloc+0x23/0x90
[ 6460.602523][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6460.602523][   T10]      ip6_pol_route+0x56f/0x840
[ 6460.602523][   T10]      fib6_rule_lookup+0x456/0x630
[ 6460.602523][   T10]      ip6_route_input+0x59c/0xa50
[ 6460.602523][   T10]      ipv6_rcv+0x397/0x810
[ 6460.602523][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6460.602523][   T10]      process_backlog+0x101/0x620
[ 6460.602523][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6460.602523][   T10]      net_rx_action+0x495/0xbe0
[ 6460.602523][   T10]      __do_softirq+0x1b5/0x7f6
[ 6460.602523][   T10] 
[ 6460.604161][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.604161][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.604161][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.604161][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.604161][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6460.604161][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6460.604161][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6460.604161][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6460.604161][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6460.604161][   T10]      addrconf_dad_begin+0x310/0x670
[ 6460.604161][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6460.604161][   T10]      process_one_work+0x84d/0x18a0
[ 6460.604161][   T10]      worker_thread+0x587/0xd30
[ 6460.604161][   T10]      kthread+0x28a/0x350
[ 6460.604161][   T10]      ret_from_fork+0x31/0x70
[ 6460.604161][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6460.604161][   T10] 
[ 6460.606190][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.606190][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.606190][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.606190][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.606190][   T10]      ip6_route_add+0x1c/0x140
[ 6460.606190][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6460.606190][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6460.606190][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.606190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.606190][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.606190][   T10]      netlink_unicast+0x449/0x710
[ 6460.606190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.606190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.606190][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.606190][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.606190][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.606190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.606190][   T10] 
[ 6460.608199][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.608199][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.608199][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.608199][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.608199][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6460.608199][   T10]      ipv6_add_addr+0x411/0x2000
[ 6460.608199][   T10]      inet6_addr_add+0x30e/0xa40
[ 6460.608199][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.608199][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.608199][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.608199][   T10]      netlink_unicast+0x449/0x710
[ 6460.608199][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.608199][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.608199][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.608199][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.608199][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.608199][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.608199][   T10] 
[ 6460.610221][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.610221][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.610221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.610221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.610221][   T10]      ip6_route_add+0x1c/0x140
[ 6460.610221][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6460.610221][   T10]      addrconf_add_dev+0xe2/0x170
[ 6460.610221][   T10]      inet6_addr_add+0x12f/0xa40
[ 6460.610221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.610221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.610221][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.610221][   T10]      netlink_unicast+0x449/0x710
[ 6460.610221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.610221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.610221][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.610221][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.610221][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.610221][   T10] 
[ 6460.612370][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.612370][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6460.612370][   T10]      ipv6_find_idev+0x102/0x170
[ 6460.612370][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6460.612370][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.612370][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.612370][   T10]      netlink_unicast+0x449/0x710
[ 6460.612370][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.612370][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.612370][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.612370][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.612370][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.612370][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.612370][   T10] 
[ 6460.614157][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6460.614157][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6460.614157][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6460.614157][   T10]      ipv6_find_idev+0x102/0x170
[ 6460.614157][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6460.614157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.614157][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.614157][   T10]      netlink_unicast+0x449/0x710
[ 6460.614157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.614157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.614157][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.614157][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.614157][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.614157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.614157][   T10] 
[ 6460.616042][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6460.616284][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6460.616284][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.616284][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.616284][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.616284][   T10]      ip6_route_add+0x1c/0x140
[ 6460.616284][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6460.616284][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6460.616284][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.616284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.616284][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.616284][   T10]      netlink_unicast+0x449/0x710
[ 6460.616284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.616284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.616284][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.616284][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.616284][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.616284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.616284][   T10] 
[ 6460.618527][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6460.618527][   T10]      netdev_get_by_index+0x5e/0x80
[ 6460.618527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6460.618527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6460.618527][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6460.618527][   T10]      ipv6_add_addr+0x411/0x2000
[ 6460.618527][   T10]      inet6_addr_add+0x30e/0xa40
[ 6460.618527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6460.618527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.618527][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.618527][   T10]      netlink_unicast+0x449/0x710
[ 6460.618527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.618527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.618527][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.618527][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.618527][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.618527][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.618527][   T10] 
[ 6460.620753][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6460.620753][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6460.620753][   T10]      ipv6_find_idev+0x102/0x170
[ 6460.620753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6460.620753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.620753][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.620753][   T10]      netlink_unicast+0x449/0x710
[ 6460.620753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.620753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.620753][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.620753][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.620753][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.620753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.620753][   T10] 
[ 6460.622536][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6460.622536][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6460.622536][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6460.622536][   T10]      ipv6_find_idev+0x102/0x170
[ 6460.622536][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6460.622536][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6460.622536][   T10]      netlink_rcv_skb+0x130/0x360
[ 6460.622536][   T10]      netlink_unicast+0x449/0x710
[ 6460.622536][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6460.622536][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6460.622536][   T10]      ___sys_sendmsg+0xee/0x170
[ 6460.622536][   T10]      __sys_sendmsg+0xcd/0x170
[ 6460.622536][   T10]      do_syscall_64+0xc6/0x1e0
[ 6460.622536][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6460.622536][   T10] 
[ 6470.792838][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6470.793291][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.793291][   T10]      dst_init+0x84/0x4a0
[ 6470.793291][   T10]      dst_alloc+0x97/0x150
[ 6470.793291][   T10]      ip6_dst_alloc+0x23/0x90
[ 6470.793291][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6470.793291][   T10]      ip6_pol_route+0x56f/0x840
[ 6470.793291][   T10]      fib6_rule_lookup+0x456/0x630
[ 6470.793291][   T10]      ip6_route_input+0x59c/0xa50
[ 6470.793291][   T10]      ipv6_rcv+0x397/0x810
[ 6470.793291][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6470.793291][   T10]      process_backlog+0x101/0x620
[ 6470.793291][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6470.793291][   T10]      net_rx_action+0x495/0xbe0
[ 6470.793291][   T10]      __do_softirq+0x1b5/0x7f6
[ 6470.793291][   T10] 
[ 6470.794963][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.794963][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6470.794963][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6470.794963][   T10]      fib6_nh_init+0xa22/0x1580
[ 6470.794963][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.794963][   T10]      ip6_route_add+0x1c/0x140
[ 6470.794963][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6470.794963][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.794963][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.794963][   T10]      netlink_unicast+0x449/0x710
[ 6470.794963][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.794963][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.794963][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.794963][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.794963][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.794963][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.794963][   T10] 
[ 6470.796882][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.796882][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.796882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.796882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.796882][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6470.796882][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6470.796882][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6470.796882][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6470.796882][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6470.796882][   T10]      addrconf_dad_begin+0x310/0x670
[ 6470.796882][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6470.796882][   T10]      process_one_work+0x84d/0x18a0
[ 6470.796882][   T10]      worker_thread+0x587/0xd30
[ 6470.796882][   T10]      kthread+0x28a/0x350
[ 6470.796882][   T10]      ret_from_fork+0x31/0x70
[ 6470.796882][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6470.796882][   T10] 
[ 6470.798795][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.798795][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.798795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.798795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.798795][   T10]      ip6_route_add+0x1c/0x140
[ 6470.798795][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6470.798795][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6470.798795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.798795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.798795][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.798795][   T10]      netlink_unicast+0x449/0x710
[ 6470.798795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.798795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.798795][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.798795][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.798795][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.798795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.798795][   T10] 
[ 6470.800799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.800799][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.800799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.800799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.800799][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6470.800799][   T10]      ipv6_add_addr+0x411/0x2000
[ 6470.800799][   T10]      inet6_addr_add+0x30e/0xa40
[ 6470.800799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.800799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.800799][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.800799][   T10]      netlink_unicast+0x449/0x710
[ 6470.800799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.800799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.800799][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.800799][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.800799][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.800799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.800799][   T10] 
[ 6470.802825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.802825][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.802825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.802825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.802825][   T10]      ip6_route_add+0x1c/0x140
[ 6470.802825][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6470.802825][   T10]      addrconf_add_dev+0xe2/0x170
[ 6470.802825][   T10]      inet6_addr_add+0x12f/0xa40
[ 6470.802825][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.802825][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.802825][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.802825][   T10]      netlink_unicast+0x449/0x710
[ 6470.802825][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.802825][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.802825][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.802825][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.802825][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.802825][   T10] 
[ 6470.804807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.804807][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6470.804807][   T10]      ipv6_find_idev+0x102/0x170
[ 6470.804807][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6470.804807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.804807][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.804807][   T10]      netlink_unicast+0x449/0x710
[ 6470.804807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.804807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.804807][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.804807][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.804807][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.804807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.804807][   T10] 
[ 6470.806362][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6470.806362][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6470.806362][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6470.806362][   T10]      ipv6_find_idev+0x102/0x170
[ 6470.806362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6470.806362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.806362][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.806362][   T10]      netlink_unicast+0x449/0x710
[ 6470.806362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.806362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.806362][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.806362][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.806362][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.806362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.806362][   T10] 
[ 6470.808080][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6470.808322][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.808322][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6470.808322][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6470.808322][   T10]      fib6_nh_init+0xa22/0x1580
[ 6470.808322][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.808322][   T10]      ip6_route_add+0x1c/0x140
[ 6470.808322][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6470.808322][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.808322][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.808322][   T10]      netlink_unicast+0x449/0x710
[ 6470.808322][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.808322][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.808322][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.808322][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.808322][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.808322][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.808322][   T10] 
[ 6470.810216][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.810216][   T10]      dst_init+0x84/0x4a0
[ 6470.810216][   T10]      dst_alloc+0x97/0x150
[ 6470.810216][   T10]      ip6_dst_alloc+0x23/0x90
[ 6470.810216][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6470.810216][   T10]      ip6_pol_route+0x56f/0x840
[ 6470.810216][   T10]      fib6_rule_lookup+0x456/0x630
[ 6470.810216][   T10]      ip6_route_input+0x59c/0xa50
[ 6470.810216][   T10]      ipv6_rcv+0x397/0x810
[ 6470.810216][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6470.810216][   T10]      process_backlog+0x101/0x620
[ 6470.810216][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6470.810216][   T10]      net_rx_action+0x495/0xbe0
[ 6470.810216][   T10]      __do_softirq+0x1b5/0x7f6
[ 6470.810216][   T10] 
[ 6470.811850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.811850][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.811850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.811850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.811850][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6470.811850][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6470.811850][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6470.811850][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6470.811850][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6470.811850][   T10]      addrconf_dad_begin+0x310/0x670
[ 6470.811850][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6470.811850][   T10]      process_one_work+0x84d/0x18a0
[ 6470.811850][   T10]      worker_thread+0x587/0xd30
[ 6470.811850][   T10]      kthread+0x28a/0x350
[ 6470.811850][   T10]      ret_from_fork+0x31/0x70
[ 6470.811850][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6470.811850][   T10] 
[ 6470.813753][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.813753][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.813753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.813753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.813753][   T10]      ip6_route_add+0x1c/0x140
[ 6470.813753][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6470.813753][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6470.813753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.813753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.813753][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.813753][   T10]      netlink_unicast+0x449/0x710
[ 6470.813753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.813753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.813753][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.813753][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.813753][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.813753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.813753][   T10] 
[ 6470.815763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.815763][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.815763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.815763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.815763][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6470.815763][   T10]      ipv6_add_addr+0x411/0x2000
[ 6470.815763][   T10]      inet6_addr_add+0x30e/0xa40
[ 6470.815763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.815763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.815763][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.815763][   T10]      netlink_unicast+0x449/0x710
[ 6470.815763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.815763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.815763][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.815763][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.815763][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.815763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.815763][   T10] 
[ 6470.817782][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.817782][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.817782][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.817782][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.817782][   T10]      ip6_route_add+0x1c/0x140
[ 6470.817782][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6470.817782][   T10]      addrconf_add_dev+0xe2/0x170
[ 6470.817782][   T10]      inet6_addr_add+0x12f/0xa40
[ 6470.817782][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.817782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.817782][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.817782][   T10]      netlink_unicast+0x449/0x710
[ 6470.817782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.817782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.817782][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.817782][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.817782][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.817782][   T10] 
[ 6470.819928][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.819928][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6470.819928][   T10]      ipv6_find_idev+0x102/0x170
[ 6470.819928][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6470.819928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.819928][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.819928][   T10]      netlink_unicast+0x449/0x710
[ 6470.819928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.819928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.819928][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.819928][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.819928][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.819928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.819928][   T10] 
[ 6470.821654][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6470.821654][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6470.821654][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6470.821654][   T10]      ipv6_find_idev+0x102/0x170
[ 6470.821654][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6470.821654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.821654][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.821654][   T10]      netlink_unicast+0x449/0x710
[ 6470.821654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.821654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.821654][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.821654][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.821654][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.821654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.821654][   T10] 
[ 6470.823593][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6470.823833][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6470.823833][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.823833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.823833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.823833][   T10]      ip6_route_add+0x1c/0x140
[ 6470.823833][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6470.823833][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6470.823833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.823833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.823833][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.823833][   T10]      netlink_unicast+0x449/0x710
[ 6470.823833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.823833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.823833][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.823833][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.823833][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.823833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.823833][   T10] 
[ 6470.826087][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6470.826087][   T10]      netdev_get_by_index+0x5e/0x80
[ 6470.826087][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6470.826087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6470.826087][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6470.826087][   T10]      ipv6_add_addr+0x411/0x2000
[ 6470.826087][   T10]      inet6_addr_add+0x30e/0xa40
[ 6470.826087][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6470.826087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.826087][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.826087][   T10]      netlink_unicast+0x449/0x710
[ 6470.826087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.826087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.826087][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.826087][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.826087][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.826087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.826087][   T10] 
[ 6470.828326][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6470.828326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6470.828326][   T10]      ipv6_find_idev+0x102/0x170
[ 6470.828326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6470.828326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.828326][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.828326][   T10]      netlink_unicast+0x449/0x710
[ 6470.828326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.828326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.828326][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.828326][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.828326][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.828326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.828326][   T10] 
[ 6470.830051][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6470.830051][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6470.830051][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6470.830051][   T10]      ipv6_find_idev+0x102/0x170
[ 6470.830051][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6470.830051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6470.830051][   T10]      netlink_rcv_skb+0x130/0x360
[ 6470.830051][   T10]      netlink_unicast+0x449/0x710
[ 6470.830051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6470.830051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6470.830051][   T10]      ___sys_sendmsg+0xee/0x170
[ 6470.830051][   T10]      __sys_sendmsg+0xcd/0x170
[ 6470.830051][   T10]      do_syscall_64+0xc6/0x1e0
[ 6470.830051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6470.830051][   T10] 
[ 6481.080798][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6481.081471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.081471][   T10]      dst_init+0x84/0x4a0
[ 6481.081471][   T10]      dst_alloc+0x97/0x150
[ 6481.081471][   T10]      ip6_dst_alloc+0x23/0x90
[ 6481.081471][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6481.081471][   T10]      ip6_pol_route+0x56f/0x840
[ 6481.081471][   T10]      fib6_rule_lookup+0x456/0x630
[ 6481.081471][   T10]      ip6_route_input+0x59c/0xa50
[ 6481.081471][   T10]      ipv6_rcv+0x397/0x810
[ 6481.081471][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6481.081471][   T10]      process_backlog+0x101/0x620
[ 6481.081471][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6481.081471][   T10]      net_rx_action+0x495/0xbe0
[ 6481.081471][   T10]      __do_softirq+0x1b5/0x7f6
[ 6481.081471][   T10] 
[ 6481.083095][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.083095][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6481.083095][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6481.083095][   T10]      fib6_nh_init+0xa22/0x1580
[ 6481.083095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.083095][   T10]      ip6_route_add+0x1c/0x140
[ 6481.083095][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6481.083095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.083095][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.083095][   T10]      netlink_unicast+0x449/0x710
[ 6481.083095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.083095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.083095][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.083095][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.083095][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.083095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.083095][   T10] 
[ 6481.084938][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.084938][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.084938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.084938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.084938][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6481.084938][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6481.084938][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6481.084938][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6481.084938][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6481.084938][   T10]      addrconf_dad_begin+0x310/0x670
[ 6481.084938][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6481.084938][   T10]      process_one_work+0x84d/0x18a0
[ 6481.084938][   T10]      worker_thread+0x587/0xd30
[ 6481.084938][   T10]      kthread+0x28a/0x350
[ 6481.084938][   T10]      ret_from_fork+0x31/0x70
[ 6481.084938][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6481.084938][   T10] 
[ 6481.086809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.086809][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.086809][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.086809][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.086809][   T10]      ip6_route_add+0x1c/0x140
[ 6481.086809][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6481.086809][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6481.086809][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.086809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.086809][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.086809][   T10]      netlink_unicast+0x449/0x710
[ 6481.086809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.086809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.086809][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.086809][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.086809][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.086809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.086809][   T10] 
[ 6481.088814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.088814][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.088814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.088814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.088814][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6481.088814][   T10]      ipv6_add_addr+0x411/0x2000
[ 6481.088814][   T10]      inet6_addr_add+0x30e/0xa40
[ 6481.088814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.088814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.088814][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.088814][   T10]      netlink_unicast+0x449/0x710
[ 6481.088814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.088814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.088814][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.088814][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.088814][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.088814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.088814][   T10] 
[ 6481.090814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.090814][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.090814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.090814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.090814][   T10]      ip6_route_add+0x1c/0x140
[ 6481.090814][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6481.090814][   T10]      addrconf_add_dev+0xe2/0x170
[ 6481.090814][   T10]      inet6_addr_add+0x12f/0xa40
[ 6481.090814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.090814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.090814][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.090814][   T10]      netlink_unicast+0x449/0x710
[ 6481.090814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.090814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.090814][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.090814][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.090814][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.090814][   T10] 
[ 6481.092773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.092773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6481.092773][   T10]      ipv6_find_idev+0x102/0x170
[ 6481.092773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6481.092773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.092773][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.092773][   T10]      netlink_unicast+0x449/0x710
[ 6481.092773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.092773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.092773][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.092773][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.092773][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.092773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.092773][   T10] 
[ 6481.094335][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6481.094335][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6481.094335][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6481.094335][   T10]      ipv6_find_idev+0x102/0x170
[ 6481.094335][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6481.094335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.094335][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.094335][   T10]      netlink_unicast+0x449/0x710
[ 6481.094335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.094335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.094335][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.094335][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.094335][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.094335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.094335][   T10] 
[ 6481.096039][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6481.096277][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.096277][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6481.096277][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6481.096277][   T10]      fib6_nh_init+0xa22/0x1580
[ 6481.096277][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.096277][   T10]      ip6_route_add+0x1c/0x140
[ 6481.096277][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6481.096277][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.096277][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.096277][   T10]      netlink_unicast+0x449/0x710
[ 6481.096277][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.096277][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.096277][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.096277][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.096277][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.096277][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.096277][   T10] 
[ 6481.098163][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.098163][   T10]      dst_init+0x84/0x4a0
[ 6481.098163][   T10]      dst_alloc+0x97/0x150
[ 6481.098163][   T10]      ip6_dst_alloc+0x23/0x90
[ 6481.098163][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6481.098163][   T10]      ip6_pol_route+0x56f/0x840
[ 6481.098163][   T10]      fib6_rule_lookup+0x456/0x630
[ 6481.098163][   T10]      ip6_route_input+0x59c/0xa50
[ 6481.098163][   T10]      ipv6_rcv+0x397/0x810
[ 6481.098163][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6481.098163][   T10]      process_backlog+0x101/0x620
[ 6481.098163][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6481.098163][   T10]      net_rx_action+0x495/0xbe0
[ 6481.098163][   T10]      __do_softirq+0x1b5/0x7f6
[ 6481.098163][   T10] 
[ 6481.099803][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.099803][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.099803][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.099803][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.099803][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6481.099803][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6481.099803][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6481.099803][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6481.099803][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6481.099803][   T10]      addrconf_dad_begin+0x310/0x670
[ 6481.099803][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6481.099803][   T10]      process_one_work+0x84d/0x18a0
[ 6481.099803][   T10]      worker_thread+0x587/0xd30
[ 6481.099803][   T10]      kthread+0x28a/0x350
[ 6481.099803][   T10]      ret_from_fork+0x31/0x70
[ 6481.099803][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6481.099803][   T10] 
[ 6481.101725][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.101725][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.101725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.101725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.101725][   T10]      ip6_route_add+0x1c/0x140
[ 6481.101725][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6481.101725][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6481.101725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.101725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.101725][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.101725][   T10]      netlink_unicast+0x449/0x710
[ 6481.101725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.101725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.101725][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.101725][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.101725][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.101725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.101725][   T10] 
[ 6481.103713][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.103713][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.103713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.103713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.103713][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6481.103713][   T10]      ipv6_add_addr+0x411/0x2000
[ 6481.103713][   T10]      inet6_addr_add+0x30e/0xa40
[ 6481.103713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.103713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.103713][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.103713][   T10]      netlink_unicast+0x449/0x710
[ 6481.103713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.103713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.103713][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.103713][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.103713][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.103713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.103713][   T10] 
[ 6481.105694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.105694][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.105694][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.105694][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.105694][   T10]      ip6_route_add+0x1c/0x140
[ 6481.105694][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6481.105694][   T10]      addrconf_add_dev+0xe2/0x170
[ 6481.105694][   T10]      inet6_addr_add+0x12f/0xa40
[ 6481.105694][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.105694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.105694][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.105694][   T10]      netlink_unicast+0x449/0x710
[ 6481.105694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.105694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.105694][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.105694][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.105694][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.105694][   T10] 
[ 6481.107850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.107850][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6481.107850][   T10]      ipv6_find_idev+0x102/0x170
[ 6481.107850][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6481.107850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.107850][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.107850][   T10]      netlink_unicast+0x449/0x710
[ 6481.107850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.107850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.107850][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.107850][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.107850][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.107850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.107850][   T10] 
[ 6481.109632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6481.109632][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6481.109632][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6481.109632][   T10]      ipv6_find_idev+0x102/0x170
[ 6481.109632][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6481.109632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.109632][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.109632][   T10]      netlink_unicast+0x449/0x710
[ 6481.109632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.109632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.109632][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.109632][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.109632][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.109632][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.109632][   T10] 
[ 6481.111487][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6481.111805][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6481.111805][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.111805][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.111805][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.111805][   T10]      ip6_route_add+0x1c/0x140
[ 6481.111805][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6481.111805][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6481.111805][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.111805][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.111805][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.111805][   T10]      netlink_unicast+0x449/0x710
[ 6481.111805][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.111805][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.111805][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.111805][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.111805][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.111805][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.111805][   T10] 
[ 6481.114002][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6481.114002][   T10]      netdev_get_by_index+0x5e/0x80
[ 6481.114002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6481.114002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6481.114002][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6481.114002][   T10]      ipv6_add_addr+0x411/0x2000
[ 6481.114002][   T10]      inet6_addr_add+0x30e/0xa40
[ 6481.114002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6481.114002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.114002][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.114002][   T10]      netlink_unicast+0x449/0x710
[ 6481.114002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.114002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.114002][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.114002][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.114002][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.114002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.114002][   T10] 
[ 6481.116244][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6481.116244][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6481.116244][   T10]      ipv6_find_idev+0x102/0x170
[ 6481.116244][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6481.116244][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.116244][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.116244][   T10]      netlink_unicast+0x449/0x710
[ 6481.116244][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.116244][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.116244][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.116244][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.116244][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.116244][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.116244][   T10] 
[ 6481.118020][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6481.118020][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6481.118020][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6481.118020][   T10]      ipv6_find_idev+0x102/0x170
[ 6481.118020][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6481.118020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6481.118020][   T10]      netlink_rcv_skb+0x130/0x360
[ 6481.118020][   T10]      netlink_unicast+0x449/0x710
[ 6481.118020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6481.118020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6481.118020][   T10]      ___sys_sendmsg+0xee/0x170
[ 6481.118020][   T10]      __sys_sendmsg+0xcd/0x170
[ 6481.118020][   T10]      do_syscall_64+0xc6/0x1e0
[ 6481.118020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6481.118020][   T10] 
[ 6491.232716][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6491.233190][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.233190][   T10]      dst_init+0x84/0x4a0
[ 6491.233190][   T10]      dst_alloc+0x97/0x150
[ 6491.233190][   T10]      ip6_dst_alloc+0x23/0x90
[ 6491.233190][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6491.233190][   T10]      ip6_pol_route+0x56f/0x840
[ 6491.233190][   T10]      fib6_rule_lookup+0x456/0x630
[ 6491.233190][   T10]      ip6_route_input+0x59c/0xa50
[ 6491.233190][   T10]      ipv6_rcv+0x397/0x810
[ 6491.233190][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6491.233190][   T10]      process_backlog+0x101/0x620
[ 6491.233190][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6491.233190][   T10]      net_rx_action+0x495/0xbe0
[ 6491.233190][   T10]      __do_softirq+0x1b5/0x7f6
[ 6491.233190][   T10] 
[ 6491.234906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.234906][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6491.234906][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6491.234906][   T10]      fib6_nh_init+0xa22/0x1580
[ 6491.234906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.234906][   T10]      ip6_route_add+0x1c/0x140
[ 6491.234906][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6491.234906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.234906][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.234906][   T10]      netlink_unicast+0x449/0x710
[ 6491.234906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.234906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.234906][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.234906][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.234906][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.234906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.234906][   T10] 
[ 6491.236842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.236842][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.236842][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.236842][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.236842][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6491.236842][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6491.236842][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6491.236842][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6491.236842][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6491.236842][   T10]      addrconf_dad_begin+0x310/0x670
[ 6491.236842][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6491.236842][   T10]      process_one_work+0x84d/0x18a0
[ 6491.236842][   T10]      worker_thread+0x587/0xd30
[ 6491.236842][   T10]      kthread+0x28a/0x350
[ 6491.236842][   T10]      ret_from_fork+0x31/0x70
[ 6491.236842][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6491.236842][   T10] 
[ 6491.238787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.238787][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.238787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.238787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.238787][   T10]      ip6_route_add+0x1c/0x140
[ 6491.238787][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6491.238787][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6491.238787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.238787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.238787][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.238787][   T10]      netlink_unicast+0x449/0x710
[ 6491.238787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.238787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.238787][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.238787][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.238787][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.238787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.238787][   T10] 
[ 6491.240824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.240824][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.240824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.240824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.240824][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6491.240824][   T10]      ipv6_add_addr+0x411/0x2000
[ 6491.240824][   T10]      inet6_addr_add+0x30e/0xa40
[ 6491.240824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.240824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.240824][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.240824][   T10]      netlink_unicast+0x449/0x710
[ 6491.240824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.240824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.240824][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.240824][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.240824][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.240824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.240824][   T10] 
[ 6491.242873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.242873][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.242873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.242873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.242873][   T10]      ip6_route_add+0x1c/0x140
[ 6491.242873][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6491.242873][   T10]      addrconf_add_dev+0xe2/0x170
[ 6491.242873][   T10]      inet6_addr_add+0x12f/0xa40
[ 6491.242873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.242873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.242873][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.242873][   T10]      netlink_unicast+0x449/0x710
[ 6491.242873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.242873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.242873][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.242873][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.242873][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.242873][   T10] 
[ 6491.244867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.244867][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6491.244867][   T10]      ipv6_find_idev+0x102/0x170
[ 6491.244867][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6491.244867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.244867][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.244867][   T10]      netlink_unicast+0x449/0x710
[ 6491.244867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.244867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.244867][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.244867][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.244867][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.244867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.244867][   T10] 
[ 6491.246439][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6491.246439][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6491.246439][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6491.246439][   T10]      ipv6_find_idev+0x102/0x170
[ 6491.246439][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6491.246439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.246439][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.246439][   T10]      netlink_unicast+0x449/0x710
[ 6491.246439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.246439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.246439][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.246439][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.246439][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.246439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.246439][   T10] 
[ 6491.248189][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6491.248440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.248440][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6491.248440][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6491.248440][   T10]      fib6_nh_init+0xa22/0x1580
[ 6491.248440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.248440][   T10]      ip6_route_add+0x1c/0x140
[ 6491.248440][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6491.248440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.248440][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.248440][   T10]      netlink_unicast+0x449/0x710
[ 6491.248440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.248440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.248440][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.248440][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.248440][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.248440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.248440][   T10] 
[ 6491.250347][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.250347][   T10]      dst_init+0x84/0x4a0
[ 6491.250347][   T10]      dst_alloc+0x97/0x150
[ 6491.250347][   T10]      ip6_dst_alloc+0x23/0x90
[ 6491.250347][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6491.250347][   T10]      ip6_pol_route+0x56f/0x840
[ 6491.250347][   T10]      fib6_rule_lookup+0x456/0x630
[ 6491.250347][   T10]      ip6_route_input+0x59c/0xa50
[ 6491.250347][   T10]      ipv6_rcv+0x397/0x810
[ 6491.250347][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6491.250347][   T10]      process_backlog+0x101/0x620
[ 6491.250347][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6491.250347][   T10]      net_rx_action+0x495/0xbe0
[ 6491.250347][   T10]      __do_softirq+0x1b5/0x7f6
[ 6491.250347][   T10] 
[ 6491.252003][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.252003][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.252003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.252003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.252003][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6491.252003][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6491.252003][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6491.252003][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6491.252003][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6491.252003][   T10]      addrconf_dad_begin+0x310/0x670
[ 6491.252003][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6491.252003][   T10]      process_one_work+0x84d/0x18a0
[ 6491.252003][   T10]      worker_thread+0x587/0xd30
[ 6491.252003][   T10]      kthread+0x28a/0x350
[ 6491.252003][   T10]      ret_from_fork+0x31/0x70
[ 6491.252003][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6491.252003][   T10] 
[ 6491.253939][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.253939][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.253939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.253939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.253939][   T10]      ip6_route_add+0x1c/0x140
[ 6491.253939][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6491.253939][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6491.253939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.253939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.253939][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.253939][   T10]      netlink_unicast+0x449/0x710
[ 6491.253939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.253939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.253939][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.253939][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.253939][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.253939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.253939][   T10] 
[ 6491.255979][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.255979][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.255979][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.255979][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.255979][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6491.255979][   T10]      ipv6_add_addr+0x411/0x2000
[ 6491.255979][   T10]      inet6_addr_add+0x30e/0xa40
[ 6491.255979][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.255979][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.255979][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.255979][   T10]      netlink_unicast+0x449/0x710
[ 6491.255979][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.255979][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.255979][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.255979][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.255979][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.255979][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.255979][   T10] 
[ 6491.258019][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.258019][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.258019][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.258019][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.258019][   T10]      ip6_route_add+0x1c/0x140
[ 6491.258019][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6491.258019][   T10]      addrconf_add_dev+0xe2/0x170
[ 6491.258019][   T10]      inet6_addr_add+0x12f/0xa40
[ 6491.258019][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.258019][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.258019][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.258019][   T10]      netlink_unicast+0x449/0x710
[ 6491.258019][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.258019][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.258019][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.258019][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.258019][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.258019][   T10] 
[ 6491.260226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.260226][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6491.260226][   T10]      ipv6_find_idev+0x102/0x170
[ 6491.260226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6491.260226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.260226][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.260226][   T10]      netlink_unicast+0x449/0x710
[ 6491.260226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.260226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.260226][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.260226][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.260226][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.260226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.260226][   T10] 
[ 6491.261984][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6491.261984][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6491.261984][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6491.261984][   T10]      ipv6_find_idev+0x102/0x170
[ 6491.261984][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6491.261984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.261984][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.261984][   T10]      netlink_unicast+0x449/0x710
[ 6491.261984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.261984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.261984][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.261984][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.261984][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.261984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.261984][   T10] 
[ 6491.263960][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6491.264202][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6491.264202][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.264202][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.264202][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.264202][   T10]      ip6_route_add+0x1c/0x140
[ 6491.264202][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6491.264202][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6491.264202][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.264202][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.264202][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.264202][   T10]      netlink_unicast+0x449/0x710
[ 6491.264202][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.264202][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.264202][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.264202][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.264202][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.264202][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.264202][   T10] 
[ 6491.266479][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6491.266479][   T10]      netdev_get_by_index+0x5e/0x80
[ 6491.266479][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6491.266479][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6491.266479][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6491.266479][   T10]      ipv6_add_addr+0x411/0x2000
[ 6491.266479][   T10]      inet6_addr_add+0x30e/0xa40
[ 6491.266479][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6491.266479][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.266479][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.266479][   T10]      netlink_unicast+0x449/0x710
[ 6491.266479][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.266479][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.266479][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.266479][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.266479][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.266479][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.266479][   T10] 
[ 6491.268756][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6491.268756][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6491.268756][   T10]      ipv6_find_idev+0x102/0x170
[ 6491.268756][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6491.268756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.268756][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.268756][   T10]      netlink_unicast+0x449/0x710
[ 6491.268756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.268756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.268756][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.268756][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.268756][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.268756][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.268756][   T10] 
[ 6491.270516][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6491.270516][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6491.270516][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6491.270516][   T10]      ipv6_find_idev+0x102/0x170
[ 6491.270516][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6491.270516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6491.270516][   T10]      netlink_rcv_skb+0x130/0x360
[ 6491.270516][   T10]      netlink_unicast+0x449/0x710
[ 6491.270516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6491.270516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6491.270516][   T10]      ___sys_sendmsg+0xee/0x170
[ 6491.270516][   T10]      __sys_sendmsg+0xcd/0x170
[ 6491.270516][   T10]      do_syscall_64+0xc6/0x1e0
[ 6491.270516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6491.270516][   T10] 
[ 6501.512702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6501.513745][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.513745][   T10]      dst_init+0x84/0x4a0
[ 6501.513745][   T10]      dst_alloc+0x97/0x150
[ 6501.513745][   T10]      ip6_dst_alloc+0x23/0x90
[ 6501.513745][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6501.513745][   T10]      ip6_pol_route+0x56f/0x840
[ 6501.513745][   T10]      fib6_rule_lookup+0x456/0x630
[ 6501.513745][   T10]      ip6_route_input+0x59c/0xa50
[ 6501.513745][   T10]      ipv6_rcv+0x397/0x810
[ 6501.513745][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6501.513745][   T10]      process_backlog+0x101/0x620
[ 6501.513745][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6501.513745][   T10]      net_rx_action+0x495/0xbe0
[ 6501.513745][   T10]      __do_softirq+0x1b5/0x7f6
[ 6501.513745][   T10] 
[ 6501.515466][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.515466][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6501.515466][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6501.515466][   T10]      fib6_nh_init+0xa22/0x1580
[ 6501.515466][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.515466][   T10]      ip6_route_add+0x1c/0x140
[ 6501.515466][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6501.515466][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.515466][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.515466][   T10]      netlink_unicast+0x449/0x710
[ 6501.515466][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.515466][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.515466][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.515466][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.515466][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.515466][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.515466][   T10] 
[ 6501.517392][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.517392][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.517392][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.517392][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.517392][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6501.517392][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6501.517392][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6501.517392][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6501.517392][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6501.517392][   T10]      addrconf_dad_begin+0x310/0x670
[ 6501.517392][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6501.517392][   T10]      process_one_work+0x84d/0x18a0
[ 6501.517392][   T10]      worker_thread+0x587/0xd30
[ 6501.517392][   T10]      kthread+0x28a/0x350
[ 6501.517392][   T10]      ret_from_fork+0x31/0x70
[ 6501.517392][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6501.517392][   T10] 
[ 6501.519347][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.519347][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.519347][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.519347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.519347][   T10]      ip6_route_add+0x1c/0x140
[ 6501.519347][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6501.519347][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6501.519347][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.519347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.519347][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.519347][   T10]      netlink_unicast+0x449/0x710
[ 6501.519347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.519347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.519347][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.519347][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.519347][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.519347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.519347][   T10] 
[ 6501.521371][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.521371][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.521371][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.521371][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.521371][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6501.521371][   T10]      ipv6_add_addr+0x411/0x2000
[ 6501.521371][   T10]      inet6_addr_add+0x30e/0xa40
[ 6501.521371][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.521371][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.521371][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.521371][   T10]      netlink_unicast+0x449/0x710
[ 6501.521371][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.521371][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.521371][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.521371][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.521371][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.521371][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.521371][   T10] 
[ 6501.523388][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.523388][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.523388][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.523388][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.523388][   T10]      ip6_route_add+0x1c/0x140
[ 6501.523388][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6501.523388][   T10]      addrconf_add_dev+0xe2/0x170
[ 6501.523388][   T10]      inet6_addr_add+0x12f/0xa40
[ 6501.523388][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.523388][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.523388][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.523388][   T10]      netlink_unicast+0x449/0x710
[ 6501.523388][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.523388][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.523388][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.523388][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.523388][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.523388][   T10] 
[ 6501.525373][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.525373][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6501.525373][   T10]      ipv6_find_idev+0x102/0x170
[ 6501.525373][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6501.525373][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.525373][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.525373][   T10]      netlink_unicast+0x449/0x710
[ 6501.525373][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.525373][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.525373][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.525373][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.525373][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.525373][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.525373][   T10] 
[ 6501.526941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6501.526941][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6501.526941][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6501.526941][   T10]      ipv6_find_idev+0x102/0x170
[ 6501.526941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6501.526941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.526941][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.526941][   T10]      netlink_unicast+0x449/0x710
[ 6501.526941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.526941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.526941][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.526941][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.526941][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.526941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.526941][   T10] 
[ 6501.528678][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6501.528924][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.528924][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6501.528924][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6501.528924][   T10]      fib6_nh_init+0xa22/0x1580
[ 6501.528924][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.528924][   T10]      ip6_route_add+0x1c/0x140
[ 6501.528924][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6501.528924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.528924][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.528924][   T10]      netlink_unicast+0x449/0x710
[ 6501.528924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.528924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.528924][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.528924][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.528924][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.528924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.528924][   T10] 
[ 6501.530822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.530822][   T10]      dst_init+0x84/0x4a0
[ 6501.530822][   T10]      dst_alloc+0x97/0x150
[ 6501.530822][   T10]      ip6_dst_alloc+0x23/0x90
[ 6501.530822][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6501.530822][   T10]      ip6_pol_route+0x56f/0x840
[ 6501.530822][   T10]      fib6_rule_lookup+0x456/0x630
[ 6501.530822][   T10]      ip6_route_input+0x59c/0xa50
[ 6501.530822][   T10]      ipv6_rcv+0x397/0x810
[ 6501.530822][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6501.530822][   T10]      process_backlog+0x101/0x620
[ 6501.530822][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6501.530822][   T10]      net_rx_action+0x495/0xbe0
[ 6501.530822][   T10]      __do_softirq+0x1b5/0x7f6
[ 6501.530822][   T10] 
[ 6501.532471][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.532471][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.532471][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.532471][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.532471][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6501.532471][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6501.532471][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6501.532471][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6501.532471][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6501.532471][   T10]      addrconf_dad_begin+0x310/0x670
[ 6501.532471][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6501.532471][   T10]      process_one_work+0x84d/0x18a0
[ 6501.532471][   T10]      worker_thread+0x587/0xd30
[ 6501.532471][   T10]      kthread+0x28a/0x350
[ 6501.532471][   T10]      ret_from_fork+0x31/0x70
[ 6501.532471][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6501.532471][   T10] 
[ 6501.534408][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.534408][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.534408][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.534408][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.534408][   T10]      ip6_route_add+0x1c/0x140
[ 6501.534408][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6501.534408][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6501.534408][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.534408][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.534408][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.534408][   T10]      netlink_unicast+0x449/0x710
[ 6501.534408][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.534408][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.534408][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.534408][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.534408][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.534408][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.534408][   T10] 
[ 6501.536430][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.536430][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.536430][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.536430][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.536430][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6501.536430][   T10]      ipv6_add_addr+0x411/0x2000
[ 6501.536430][   T10]      inet6_addr_add+0x30e/0xa40
[ 6501.536430][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.536430][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.536430][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.536430][   T10]      netlink_unicast+0x449/0x710
[ 6501.536430][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.536430][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.536430][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.536430][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.536430][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.536430][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.536430][   T10] 
[ 6501.538452][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.538452][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.538452][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.538452][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.538452][   T10]      ip6_route_add+0x1c/0x140
[ 6501.538452][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6501.538452][   T10]      addrconf_add_dev+0xe2/0x170
[ 6501.538452][   T10]      inet6_addr_add+0x12f/0xa40
[ 6501.538452][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.538452][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.538452][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.538452][   T10]      netlink_unicast+0x449/0x710
[ 6501.538452][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.538452][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.538452][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.538452][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.538452][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.538452][   T10] 
[ 6501.540623][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.540623][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6501.540623][   T10]      ipv6_find_idev+0x102/0x170
[ 6501.540623][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6501.540623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.540623][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.540623][   T10]      netlink_unicast+0x449/0x710
[ 6501.540623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.540623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.540623][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.540623][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.540623][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.540623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.540623][   T10] 
[ 6501.542415][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6501.542415][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6501.542415][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6501.542415][   T10]      ipv6_find_idev+0x102/0x170
[ 6501.542415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6501.542415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.542415][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.542415][   T10]      netlink_unicast+0x449/0x710
[ 6501.542415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.542415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.542415][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.542415][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.542415][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.542415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.542415][   T10] 
[ 6501.544304][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6501.544551][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6501.544551][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.544551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.544551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.544551][   T10]      ip6_route_add+0x1c/0x140
[ 6501.544551][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6501.544551][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6501.544551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.544551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.544551][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.544551][   T10]      netlink_unicast+0x449/0x710
[ 6501.544551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.544551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.544551][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.544551][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.544551][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.544551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.544551][   T10] 
[ 6501.546817][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6501.546817][   T10]      netdev_get_by_index+0x5e/0x80
[ 6501.546817][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6501.546817][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6501.546817][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6501.546817][   T10]      ipv6_add_addr+0x411/0x2000
[ 6501.546817][   T10]      inet6_addr_add+0x30e/0xa40
[ 6501.546817][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6501.546817][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.546817][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.546817][   T10]      netlink_unicast+0x449/0x710
[ 6501.546817][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.546817][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.546817][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.546817][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.546817][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.546817][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.546817][   T10] 
[ 6501.549068][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6501.549068][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6501.549068][   T10]      ipv6_find_idev+0x102/0x170
[ 6501.549068][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6501.549068][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.549068][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.549068][   T10]      netlink_unicast+0x449/0x710
[ 6501.549068][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.549068][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.549068][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.549068][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.549068][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.549068][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.549068][   T10] 
[ 6501.550863][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6501.550863][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6501.550863][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6501.550863][   T10]      ipv6_find_idev+0x102/0x170
[ 6501.550863][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6501.550863][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6501.550863][   T10]      netlink_rcv_skb+0x130/0x360
[ 6501.550863][   T10]      netlink_unicast+0x449/0x710
[ 6501.550863][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6501.550863][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6501.550863][   T10]      ___sys_sendmsg+0xee/0x170
[ 6501.550863][   T10]      __sys_sendmsg+0xcd/0x170
[ 6501.550863][   T10]      do_syscall_64+0xc6/0x1e0
[ 6501.550863][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6501.550863][   T10] 
[ 6511.792723][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6511.793205][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.793205][   T10]      dst_init+0x84/0x4a0
[ 6511.793205][   T10]      dst_alloc+0x97/0x150
[ 6511.793205][   T10]      ip6_dst_alloc+0x23/0x90
[ 6511.793205][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6511.793205][   T10]      ip6_pol_route+0x56f/0x840
[ 6511.793205][   T10]      fib6_rule_lookup+0x456/0x630
[ 6511.793205][   T10]      ip6_route_input+0x59c/0xa50
[ 6511.793205][   T10]      ipv6_rcv+0x397/0x810
[ 6511.793205][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6511.793205][   T10]      process_backlog+0x101/0x620
[ 6511.793205][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6511.793205][   T10]      net_rx_action+0x495/0xbe0
[ 6511.793205][   T10]      __do_softirq+0x1b5/0x7f6
[ 6511.793205][   T10] 
[ 6511.794926][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.794926][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6511.794926][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6511.794926][   T10]      fib6_nh_init+0xa22/0x1580
[ 6511.794926][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.794926][   T10]      ip6_route_add+0x1c/0x140
[ 6511.794926][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6511.794926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.794926][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.794926][   T10]      netlink_unicast+0x449/0x710
[ 6511.794926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.794926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.794926][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.794926][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.794926][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.794926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.794926][   T10] 
[ 6511.796851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.796851][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.796851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.796851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.796851][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6511.796851][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6511.796851][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6511.796851][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6511.796851][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6511.796851][   T10]      addrconf_dad_begin+0x310/0x670
[ 6511.796851][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6511.796851][   T10]      process_one_work+0x84d/0x18a0
[ 6511.796851][   T10]      worker_thread+0x587/0xd30
[ 6511.796851][   T10]      kthread+0x28a/0x350
[ 6511.796851][   T10]      ret_from_fork+0x31/0x70
[ 6511.796851][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6511.796851][   T10] 
[ 6511.798781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.798781][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.798781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.798781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.798781][   T10]      ip6_route_add+0x1c/0x140
[ 6511.798781][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6511.798781][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6511.798781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.798781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.798781][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.798781][   T10]      netlink_unicast+0x449/0x710
[ 6511.798781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.798781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.798781][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.798781][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.798781][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.798781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.798781][   T10] 
[ 6511.800794][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.800794][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.800794][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.800794][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.800794][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6511.800794][   T10]      ipv6_add_addr+0x411/0x2000
[ 6511.800794][   T10]      inet6_addr_add+0x30e/0xa40
[ 6511.800794][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.800794][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.800794][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.800794][   T10]      netlink_unicast+0x449/0x710
[ 6511.800794][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.800794][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.800794][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.800794][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.800794][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.800794][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.800794][   T10] 
[ 6511.802816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.802816][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.802816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.802816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.802816][   T10]      ip6_route_add+0x1c/0x140
[ 6511.802816][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6511.802816][   T10]      addrconf_add_dev+0xe2/0x170
[ 6511.802816][   T10]      inet6_addr_add+0x12f/0xa40
[ 6511.802816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.802816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.802816][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.802816][   T10]      netlink_unicast+0x449/0x710
[ 6511.802816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.802816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.802816][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.802816][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.802816][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.802816][   T10] 
[ 6511.804773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.804773][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6511.804773][   T10]      ipv6_find_idev+0x102/0x170
[ 6511.804773][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6511.804773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.804773][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.804773][   T10]      netlink_unicast+0x449/0x710
[ 6511.804773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.804773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.804773][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.804773][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.804773][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.804773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.804773][   T10] 
[ 6511.806377][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6511.806377][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6511.806377][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6511.806377][   T10]      ipv6_find_idev+0x102/0x170
[ 6511.806377][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6511.806377][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.806377][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.806377][   T10]      netlink_unicast+0x449/0x710
[ 6511.806377][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.806377][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.806377][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.806377][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.806377][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.806377][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.806377][   T10] 
[ 6511.808125][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6511.808384][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.808384][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6511.808384][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6511.808384][   T10]      fib6_nh_init+0xa22/0x1580
[ 6511.808384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.808384][   T10]      ip6_route_add+0x1c/0x140
[ 6511.808384][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6511.808384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.808384][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.808384][   T10]      netlink_unicast+0x449/0x710
[ 6511.808384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.808384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.808384][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.808384][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.808384][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.808384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.808384][   T10] 
[ 6511.810321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.810321][   T10]      dst_init+0x84/0x4a0
[ 6511.810321][   T10]      dst_alloc+0x97/0x150
[ 6511.810321][   T10]      ip6_dst_alloc+0x23/0x90
[ 6511.810321][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6511.810321][   T10]      ip6_pol_route+0x56f/0x840
[ 6511.810321][   T10]      fib6_rule_lookup+0x456/0x630
[ 6511.810321][   T10]      ip6_route_input+0x59c/0xa50
[ 6511.810321][   T10]      ipv6_rcv+0x397/0x810
[ 6511.810321][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6511.810321][   T10]      process_backlog+0x101/0x620
[ 6511.810321][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6511.810321][   T10]      net_rx_action+0x495/0xbe0
[ 6511.810321][   T10]      __do_softirq+0x1b5/0x7f6
[ 6511.810321][   T10] 
[ 6511.812011][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.812011][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.812011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.812011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.812011][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6511.812011][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6511.812011][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6511.812011][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6511.812011][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6511.812011][   T10]      addrconf_dad_begin+0x310/0x670
[ 6511.812011][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6511.812011][   T10]      process_one_work+0x84d/0x18a0
[ 6511.812011][   T10]      worker_thread+0x587/0xd30
[ 6511.812011][   T10]      kthread+0x28a/0x350
[ 6511.812011][   T10]      ret_from_fork+0x31/0x70
[ 6511.812011][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6511.812011][   T10] 
[ 6511.813923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.813923][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.813923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.813923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.813923][   T10]      ip6_route_add+0x1c/0x140
[ 6511.813923][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6511.813923][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6511.813923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.813923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.813923][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.813923][   T10]      netlink_unicast+0x449/0x710
[ 6511.813923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.813923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.813923][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.813923][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.813923][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.813923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.813923][   T10] 
[ 6511.815929][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.815929][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.815929][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.815929][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.815929][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6511.815929][   T10]      ipv6_add_addr+0x411/0x2000
[ 6511.815929][   T10]      inet6_addr_add+0x30e/0xa40
[ 6511.815929][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.815929][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.815929][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.815929][   T10]      netlink_unicast+0x449/0x710
[ 6511.815929][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.815929][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.815929][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.815929][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.815929][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.815929][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.815929][   T10] 
[ 6511.817982][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.817982][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.817982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.817982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.817982][   T10]      ip6_route_add+0x1c/0x140
[ 6511.817982][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6511.817982][   T10]      addrconf_add_dev+0xe2/0x170
[ 6511.817982][   T10]      inet6_addr_add+0x12f/0xa40
[ 6511.817982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.817982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.817982][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.817982][   T10]      netlink_unicast+0x449/0x710
[ 6511.817982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.817982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.817982][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.817982][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.817982][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.817982][   T10] 
[ 6511.820160][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.820160][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6511.820160][   T10]      ipv6_find_idev+0x102/0x170
[ 6511.820160][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6511.820160][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.820160][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.820160][   T10]      netlink_unicast+0x449/0x710
[ 6511.820160][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.820160][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.820160][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.820160][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.820160][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.820160][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.820160][   T10] 
[ 6511.821972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6511.821972][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6511.821972][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6511.821972][   T10]      ipv6_find_idev+0x102/0x170
[ 6511.821972][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6511.821972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.821972][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.821972][   T10]      netlink_unicast+0x449/0x710
[ 6511.821972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.821972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.821972][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.821972][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.821972][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.821972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.821972][   T10] 
[ 6511.823959][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6511.824215][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6511.824215][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.824215][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.824215][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.824215][   T10]      ip6_route_add+0x1c/0x140
[ 6511.824215][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6511.824215][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6511.824215][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.824215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.824215][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.824215][   T10]      netlink_unicast+0x449/0x710
[ 6511.824215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.824215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.824215][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.824215][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.824215][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.824215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.824215][   T10] 
[ 6511.826518][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6511.826518][   T10]      netdev_get_by_index+0x5e/0x80
[ 6511.826518][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6511.826518][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6511.826518][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6511.826518][   T10]      ipv6_add_addr+0x411/0x2000
[ 6511.826518][   T10]      inet6_addr_add+0x30e/0xa40
[ 6511.826518][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6511.826518][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.826518][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.826518][   T10]      netlink_unicast+0x449/0x710
[ 6511.826518][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.826518][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.826518][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.826518][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.826518][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.826518][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.826518][   T10] 
[ 6511.828796][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6511.828796][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6511.828796][   T10]      ipv6_find_idev+0x102/0x170
[ 6511.828796][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6511.828796][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.828796][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.828796][   T10]      netlink_unicast+0x449/0x710
[ 6511.828796][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.828796][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.828796][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.828796][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.828796][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.828796][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.828796][   T10] 
[ 6511.830542][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6511.830542][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6511.830542][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6511.830542][   T10]      ipv6_find_idev+0x102/0x170
[ 6511.830542][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6511.830542][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6511.830542][   T10]      netlink_rcv_skb+0x130/0x360
[ 6511.830542][   T10]      netlink_unicast+0x449/0x710
[ 6511.830542][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6511.830542][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6511.830542][   T10]      ___sys_sendmsg+0xee/0x170
[ 6511.830542][   T10]      __sys_sendmsg+0xcd/0x170
[ 6511.830542][   T10]      do_syscall_64+0xc6/0x1e0
[ 6511.830542][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6511.830542][   T10] 
[ 6521.952748][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6521.953181][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.953181][   T10]      dst_init+0x84/0x4a0
[ 6521.953181][   T10]      dst_alloc+0x97/0x150
[ 6521.953181][   T10]      ip6_dst_alloc+0x23/0x90
[ 6521.953181][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6521.953181][   T10]      ip6_pol_route+0x56f/0x840
[ 6521.953181][   T10]      fib6_rule_lookup+0x456/0x630
[ 6521.953181][   T10]      ip6_route_input+0x59c/0xa50
[ 6521.953181][   T10]      ipv6_rcv+0x397/0x810
[ 6521.953181][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6521.953181][   T10]      process_backlog+0x101/0x620
[ 6521.953181][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6521.953181][   T10]      net_rx_action+0x495/0xbe0
[ 6521.953181][   T10]      __do_softirq+0x1b5/0x7f6
[ 6521.953181][   T10] 
[ 6521.954941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.954941][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6521.954941][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6521.954941][   T10]      fib6_nh_init+0xa22/0x1580
[ 6521.954941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.954941][   T10]      ip6_route_add+0x1c/0x140
[ 6521.954941][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6521.954941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.954941][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.954941][   T10]      netlink_unicast+0x449/0x710
[ 6521.954941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.954941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.954941][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.954941][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.954941][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.954941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.954941][   T10] 
[ 6521.956899][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.956899][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.956899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.956899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.956899][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6521.956899][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6521.956899][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6521.956899][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6521.956899][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6521.956899][   T10]      addrconf_dad_begin+0x310/0x670
[ 6521.956899][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6521.956899][   T10]      process_one_work+0x84d/0x18a0
[ 6521.956899][   T10]      worker_thread+0x587/0xd30
[ 6521.956899][   T10]      kthread+0x28a/0x350
[ 6521.956899][   T10]      ret_from_fork+0x31/0x70
[ 6521.956899][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6521.956899][   T10] 
[ 6521.958851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.958851][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.958851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.958851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.958851][   T10]      ip6_route_add+0x1c/0x140
[ 6521.958851][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6521.958851][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6521.958851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.958851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.958851][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.958851][   T10]      netlink_unicast+0x449/0x710
[ 6521.958851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.958851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.958851][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.958851][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.958851][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.958851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.958851][   T10] 
[ 6521.960906][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.960906][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.960906][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.960906][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.960906][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6521.960906][   T10]      ipv6_add_addr+0x411/0x2000
[ 6521.960906][   T10]      inet6_addr_add+0x30e/0xa40
[ 6521.960906][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.960906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.960906][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.960906][   T10]      netlink_unicast+0x449/0x710
[ 6521.960906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.960906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.960906][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.960906][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.960906][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.960906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.960906][   T10] 
[ 6521.962988][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.962988][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.962988][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.962988][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.962988][   T10]      ip6_route_add+0x1c/0x140
[ 6521.962988][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6521.962988][   T10]      addrconf_add_dev+0xe2/0x170
[ 6521.962988][   T10]      inet6_addr_add+0x12f/0xa40
[ 6521.962988][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.962988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.962988][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.962988][   T10]      netlink_unicast+0x449/0x710
[ 6521.962988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.962988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.962988][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.962988][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.962988][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.962988][   T10] 
[ 6521.965128][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.965128][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6521.965128][   T10]      ipv6_find_idev+0x102/0x170
[ 6521.965128][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6521.965128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.965128][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.965128][   T10]      netlink_unicast+0x449/0x710
[ 6521.965128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.965128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.965128][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.965128][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.965128][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.965128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.965128][   T10] 
[ 6521.966823][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6521.966823][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6521.966823][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6521.966823][   T10]      ipv6_find_idev+0x102/0x170
[ 6521.966823][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6521.966823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.966823][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.966823][   T10]      netlink_unicast+0x449/0x710
[ 6521.966823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.966823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.966823][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.966823][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.966823][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.966823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.966823][   T10] 
[ 6521.968618][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6521.968876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.968876][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6521.968876][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6521.968876][   T10]      fib6_nh_init+0xa22/0x1580
[ 6521.968876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.968876][   T10]      ip6_route_add+0x1c/0x140
[ 6521.968876][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6521.968876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.968876][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.968876][   T10]      netlink_unicast+0x449/0x710
[ 6521.968876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.968876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.968876][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.968876][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.968876][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.968876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.968876][   T10] 
[ 6521.970815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.970815][   T10]      dst_init+0x84/0x4a0
[ 6521.970815][   T10]      dst_alloc+0x97/0x150
[ 6521.970815][   T10]      ip6_dst_alloc+0x23/0x90
[ 6521.970815][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6521.970815][   T10]      ip6_pol_route+0x56f/0x840
[ 6521.970815][   T10]      fib6_rule_lookup+0x456/0x630
[ 6521.970815][   T10]      ip6_route_input+0x59c/0xa50
[ 6521.970815][   T10]      ipv6_rcv+0x397/0x810
[ 6521.970815][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6521.970815][   T10]      process_backlog+0x101/0x620
[ 6521.970815][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6521.970815][   T10]      net_rx_action+0x495/0xbe0
[ 6521.970815][   T10]      __do_softirq+0x1b5/0x7f6
[ 6521.970815][   T10] 
[ 6521.972512][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.972512][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.972512][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.972512][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.972512][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6521.972512][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6521.972512][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6521.972512][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6521.972512][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6521.972512][   T10]      addrconf_dad_begin+0x310/0x670
[ 6521.972512][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6521.972512][   T10]      process_one_work+0x84d/0x18a0
[ 6521.972512][   T10]      worker_thread+0x587/0xd30
[ 6521.972512][   T10]      kthread+0x28a/0x350
[ 6521.972512][   T10]      ret_from_fork+0x31/0x70
[ 6521.972512][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6521.972512][   T10] 
[ 6521.974559][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.974559][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.974559][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.974559][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.974559][   T10]      ip6_route_add+0x1c/0x140
[ 6521.974559][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6521.974559][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6521.974559][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.974559][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.974559][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.974559][   T10]      netlink_unicast+0x449/0x710
[ 6521.974559][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.974559][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.974559][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.974559][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.974559][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.974559][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.974559][   T10] 
[ 6521.976647][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.976647][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.976647][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.976647][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.976647][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6521.976647][   T10]      ipv6_add_addr+0x411/0x2000
[ 6521.976647][   T10]      inet6_addr_add+0x30e/0xa40
[ 6521.976647][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.976647][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.976647][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.976647][   T10]      netlink_unicast+0x449/0x710
[ 6521.976647][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.976647][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.976647][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.976647][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.976647][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.976647][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.976647][   T10] 
[ 6521.978707][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.978707][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.978707][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.978707][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.978707][   T10]      ip6_route_add+0x1c/0x140
[ 6521.978707][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6521.978707][   T10]      addrconf_add_dev+0xe2/0x170
[ 6521.978707][   T10]      inet6_addr_add+0x12f/0xa40
[ 6521.978707][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.978707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.978707][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.978707][   T10]      netlink_unicast+0x449/0x710
[ 6521.978707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.978707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.978707][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.978707][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.978707][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.978707][   T10] 
[ 6521.980936][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.980936][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6521.980936][   T10]      ipv6_find_idev+0x102/0x170
[ 6521.980936][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6521.980936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.980936][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.980936][   T10]      netlink_unicast+0x449/0x710
[ 6521.980936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.980936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.980936][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.980936][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.980936][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.980936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.980936][   T10] 
[ 6521.982841][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6521.982841][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6521.982841][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6521.982841][   T10]      ipv6_find_idev+0x102/0x170
[ 6521.982841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6521.982841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.982841][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.982841][   T10]      netlink_unicast+0x449/0x710
[ 6521.982841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.982841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.982841][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.982841][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.982841][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.982841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.982841][   T10] 
[ 6521.984781][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6521.985037][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6521.985037][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.985037][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.985037][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.985037][   T10]      ip6_route_add+0x1c/0x140
[ 6521.985037][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6521.985037][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6521.985037][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.985037][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.985037][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.985037][   T10]      netlink_unicast+0x449/0x710
[ 6521.985037][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.985037][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.985037][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.985037][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.985037][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.985037][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.985037][   T10] 
[ 6521.987353][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6521.987353][   T10]      netdev_get_by_index+0x5e/0x80
[ 6521.987353][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6521.987353][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6521.987353][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6521.987353][   T10]      ipv6_add_addr+0x411/0x2000
[ 6521.987353][   T10]      inet6_addr_add+0x30e/0xa40
[ 6521.987353][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6521.987353][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.987353][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.987353][   T10]      netlink_unicast+0x449/0x710
[ 6521.987353][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.987353][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.987353][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.987353][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.987353][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.987353][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.987353][   T10] 
[ 6521.989656][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6521.989656][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6521.989656][   T10]      ipv6_find_idev+0x102/0x170
[ 6521.989656][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6521.989656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.989656][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.989656][   T10]      netlink_unicast+0x449/0x710
[ 6521.989656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.989656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.989656][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.989656][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.989656][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.989656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.989656][   T10] 
[ 6521.991489][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6521.991489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6521.991489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6521.991489][   T10]      ipv6_find_idev+0x102/0x170
[ 6521.991489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6521.991489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6521.991489][   T10]      netlink_rcv_skb+0x130/0x360
[ 6521.991489][   T10]      netlink_unicast+0x449/0x710
[ 6521.991489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6521.991489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6521.991489][   T10]      ___sys_sendmsg+0xee/0x170
[ 6521.991489][   T10]      __sys_sendmsg+0xcd/0x170
[ 6521.991489][   T10]      do_syscall_64+0xc6/0x1e0
[ 6521.991489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6521.991489][   T10] 
[ 6532.104764][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6532.105183][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.105183][   T10]      dst_init+0x84/0x4a0
[ 6532.105183][   T10]      dst_alloc+0x97/0x150
[ 6532.105183][   T10]      ip6_dst_alloc+0x23/0x90
[ 6532.105183][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6532.105183][   T10]      ip6_pol_route+0x56f/0x840
[ 6532.105183][   T10]      fib6_rule_lookup+0x456/0x630
[ 6532.105183][   T10]      ip6_route_input+0x59c/0xa50
[ 6532.105183][   T10]      ipv6_rcv+0x397/0x810
[ 6532.105183][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6532.105183][   T10]      process_backlog+0x101/0x620
[ 6532.105183][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6532.105183][   T10]      net_rx_action+0x495/0xbe0
[ 6532.105183][   T10]      __do_softirq+0x1b5/0x7f6
[ 6532.105183][   T10] 
[ 6532.107021][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.107021][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6532.107021][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6532.107021][   T10]      fib6_nh_init+0xa22/0x1580
[ 6532.107021][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.107021][   T10]      ip6_route_add+0x1c/0x140
[ 6532.107021][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6532.107021][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.107021][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.107021][   T10]      netlink_unicast+0x449/0x710
[ 6532.107021][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.107021][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.107021][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.107021][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.107021][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.107021][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.107021][   T10] 
[ 6532.108938][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.108938][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.108938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.108938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.108938][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6532.108938][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6532.108938][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6532.108938][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6532.108938][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6532.108938][   T10]      addrconf_dad_begin+0x310/0x670
[ 6532.108938][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6532.108938][   T10]      process_one_work+0x84d/0x18a0
[ 6532.108938][   T10]      worker_thread+0x587/0xd30
[ 6532.108938][   T10]      kthread+0x28a/0x350
[ 6532.108938][   T10]      ret_from_fork+0x31/0x70
[ 6532.108938][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6532.108938][   T10] 
[ 6532.110887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.110887][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.110887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.110887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.110887][   T10]      ip6_route_add+0x1c/0x140
[ 6532.110887][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6532.110887][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6532.110887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.110887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.110887][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.110887][   T10]      netlink_unicast+0x449/0x710
[ 6532.110887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.110887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.110887][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.110887][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.110887][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.110887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.110887][   T10] 
[ 6532.112908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.112908][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.112908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.112908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.112908][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6532.112908][   T10]      ipv6_add_addr+0x411/0x2000
[ 6532.112908][   T10]      inet6_addr_add+0x30e/0xa40
[ 6532.112908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.112908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.112908][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.112908][   T10]      netlink_unicast+0x449/0x710
[ 6532.112908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.112908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.112908][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.112908][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.112908][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.112908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.112908][   T10] 
[ 6532.114932][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.114932][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.114932][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.114932][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.114932][   T10]      ip6_route_add+0x1c/0x140
[ 6532.114932][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6532.114932][   T10]      addrconf_add_dev+0xe2/0x170
[ 6532.114932][   T10]      inet6_addr_add+0x12f/0xa40
[ 6532.114932][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.114932][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.114932][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.114932][   T10]      netlink_unicast+0x449/0x710
[ 6532.114932][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.114932][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.114932][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.114932][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.114932][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.114932][   T10] 
[ 6532.116922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.116922][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6532.116922][   T10]      ipv6_find_idev+0x102/0x170
[ 6532.116922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6532.116922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.116922][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.116922][   T10]      netlink_unicast+0x449/0x710
[ 6532.116922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.116922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.116922][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.116922][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.116922][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.116922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.116922][   T10] 
[ 6532.118492][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6532.118492][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6532.118492][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6532.118492][   T10]      ipv6_find_idev+0x102/0x170
[ 6532.118492][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6532.118492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.118492][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.118492][   T10]      netlink_unicast+0x449/0x710
[ 6532.118492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.118492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.118492][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.118492][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.118492][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.118492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.118492][   T10] 
[ 6532.120251][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6532.120506][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.120506][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6532.120506][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6532.120506][   T10]      fib6_nh_init+0xa22/0x1580
[ 6532.120506][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.120506][   T10]      ip6_route_add+0x1c/0x140
[ 6532.120506][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6532.120506][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.120506][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.120506][   T10]      netlink_unicast+0x449/0x710
[ 6532.120506][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.120506][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.120506][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.120506][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.120506][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.120506][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.120506][   T10] 
[ 6532.122420][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.122420][   T10]      dst_init+0x84/0x4a0
[ 6532.122420][   T10]      dst_alloc+0x97/0x150
[ 6532.122420][   T10]      ip6_dst_alloc+0x23/0x90
[ 6532.122420][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6532.122420][   T10]      ip6_pol_route+0x56f/0x840
[ 6532.122420][   T10]      fib6_rule_lookup+0x456/0x630
[ 6532.122420][   T10]      ip6_route_input+0x59c/0xa50
[ 6532.122420][   T10]      ipv6_rcv+0x397/0x810
[ 6532.122420][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6532.122420][   T10]      process_backlog+0x101/0x620
[ 6532.122420][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6532.122420][   T10]      net_rx_action+0x495/0xbe0
[ 6532.122420][   T10]      __do_softirq+0x1b5/0x7f6
[ 6532.122420][   T10] 
[ 6532.124098][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.124098][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.124098][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.124098][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.124098][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6532.124098][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6532.124098][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6532.124098][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6532.124098][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6532.124098][   T10]      addrconf_dad_begin+0x310/0x670
[ 6532.124098][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6532.124098][   T10]      process_one_work+0x84d/0x18a0
[ 6532.124098][   T10]      worker_thread+0x587/0xd30
[ 6532.124098][   T10]      kthread+0x28a/0x350
[ 6532.124098][   T10]      ret_from_fork+0x31/0x70
[ 6532.124098][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6532.124098][   T10] 
[ 6532.126032][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.126032][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.126032][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.126032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.126032][   T10]      ip6_route_add+0x1c/0x140
[ 6532.126032][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6532.126032][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6532.126032][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.126032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.126032][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.126032][   T10]      netlink_unicast+0x449/0x710
[ 6532.126032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.126032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.126032][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.126032][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.126032][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.126032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.126032][   T10] 
[ 6532.128058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.128058][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.128058][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.128058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.128058][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6532.128058][   T10]      ipv6_add_addr+0x411/0x2000
[ 6532.128058][   T10]      inet6_addr_add+0x30e/0xa40
[ 6532.128058][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.128058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.128058][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.128058][   T10]      netlink_unicast+0x449/0x710
[ 6532.128058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.128058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.128058][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.128058][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.128058][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.128058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.128058][   T10] 
[ 6532.130079][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.130079][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.130079][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.130079][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.130079][   T10]      ip6_route_add+0x1c/0x140
[ 6532.130079][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6532.130079][   T10]      addrconf_add_dev+0xe2/0x170
[ 6532.130079][   T10]      inet6_addr_add+0x12f/0xa40
[ 6532.130079][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.130079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.130079][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.130079][   T10]      netlink_unicast+0x449/0x710
[ 6532.130079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.130079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.130079][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.130079][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.130079][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.130079][   T10] 
[ 6532.132258][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.132258][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6532.132258][   T10]      ipv6_find_idev+0x102/0x170
[ 6532.132258][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6532.132258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.132258][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.132258][   T10]      netlink_unicast+0x449/0x710
[ 6532.132258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.132258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.132258][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.132258][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.132258][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.132258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.132258][   T10] 
[ 6532.134002][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6532.134002][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6532.134002][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6532.134002][   T10]      ipv6_find_idev+0x102/0x170
[ 6532.134002][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6532.134002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.134002][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.134002][   T10]      netlink_unicast+0x449/0x710
[ 6532.134002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.134002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.134002][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.134002][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.134002][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.134002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.134002][   T10] 
[ 6532.135962][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6532.136204][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6532.136204][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.136204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.136204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.136204][   T10]      ip6_route_add+0x1c/0x140
[ 6532.136204][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6532.136204][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6532.136204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.136204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.136204][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.136204][   T10]      netlink_unicast+0x449/0x710
[ 6532.136204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.136204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.136204][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.136204][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.136204][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.136204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.136204][   T10] 
[ 6532.138472][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6532.138472][   T10]      netdev_get_by_index+0x5e/0x80
[ 6532.138472][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6532.138472][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6532.138472][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6532.138472][   T10]      ipv6_add_addr+0x411/0x2000
[ 6532.138472][   T10]      inet6_addr_add+0x30e/0xa40
[ 6532.138472][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6532.138472][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.138472][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.138472][   T10]      netlink_unicast+0x449/0x710
[ 6532.138472][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.138472][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.138472][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.138472][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.138472][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.138472][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.138472][   T10] 
[ 6532.140742][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6532.140742][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6532.140742][   T10]      ipv6_find_idev+0x102/0x170
[ 6532.140742][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6532.140742][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.140742][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.140742][   T10]      netlink_unicast+0x449/0x710
[ 6532.140742][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.140742][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.140742][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.140742][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.140742][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.140742][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.140742][   T10] 
[ 6532.142491][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6532.142491][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6532.142491][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6532.142491][   T10]      ipv6_find_idev+0x102/0x170
[ 6532.142491][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6532.142491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6532.142491][   T10]      netlink_rcv_skb+0x130/0x360
[ 6532.142491][   T10]      netlink_unicast+0x449/0x710
[ 6532.142491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6532.142491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6532.142491][   T10]      ___sys_sendmsg+0xee/0x170
[ 6532.142491][   T10]      __sys_sendmsg+0xcd/0x170
[ 6532.142491][   T10]      do_syscall_64+0xc6/0x1e0
[ 6532.142491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6532.142491][   T10] 
[ 6542.384796][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6542.385654][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.385654][   T10]      dst_init+0x84/0x4a0
[ 6542.385654][   T10]      dst_alloc+0x97/0x150
[ 6542.385654][   T10]      ip6_dst_alloc+0x23/0x90
[ 6542.385654][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6542.385654][   T10]      ip6_pol_route+0x56f/0x840
[ 6542.385654][   T10]      fib6_rule_lookup+0x456/0x630
[ 6542.385654][   T10]      ip6_route_input+0x59c/0xa50
[ 6542.385654][   T10]      ipv6_rcv+0x397/0x810
[ 6542.385654][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6542.385654][   T10]      process_backlog+0x101/0x620
[ 6542.385654][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6542.385654][   T10]      net_rx_action+0x495/0xbe0
[ 6542.385654][   T10]      __do_softirq+0x1b5/0x7f6
[ 6542.385654][   T10] 
[ 6542.387373][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.387373][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6542.387373][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6542.387373][   T10]      fib6_nh_init+0xa22/0x1580
[ 6542.387373][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.387373][   T10]      ip6_route_add+0x1c/0x140
[ 6542.387373][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6542.387373][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.387373][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.387373][   T10]      netlink_unicast+0x449/0x710
[ 6542.387373][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.387373][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.387373][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.387373][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.387373][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.387373][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.387373][   T10] 
[ 6542.389261][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.389261][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.389261][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.389261][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.389261][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6542.389261][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6542.389261][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6542.389261][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6542.389261][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6542.389261][   T10]      addrconf_dad_begin+0x310/0x670
[ 6542.389261][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6542.389261][   T10]      process_one_work+0x84d/0x18a0
[ 6542.389261][   T10]      worker_thread+0x587/0xd30
[ 6542.389261][   T10]      kthread+0x28a/0x350
[ 6542.389261][   T10]      ret_from_fork+0x31/0x70
[ 6542.389261][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6542.389261][   T10] 
[ 6542.391134][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.391134][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.391134][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.391134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.391134][   T10]      ip6_route_add+0x1c/0x140
[ 6542.391134][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6542.391134][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6542.391134][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.391134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.391134][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.391134][   T10]      netlink_unicast+0x449/0x710
[ 6542.391134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.391134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.391134][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.391134][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.391134][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.391134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.391134][   T10] 
[ 6542.393131][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.393131][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.393131][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.393131][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.393131][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6542.393131][   T10]      ipv6_add_addr+0x411/0x2000
[ 6542.393131][   T10]      inet6_addr_add+0x30e/0xa40
[ 6542.393131][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.393131][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.393131][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.393131][   T10]      netlink_unicast+0x449/0x710
[ 6542.393131][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.393131][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.393131][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.393131][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.393131][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.393131][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.393131][   T10] 
[ 6542.395138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.395138][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.395138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.395138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.395138][   T10]      ip6_route_add+0x1c/0x140
[ 6542.395138][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6542.395138][   T10]      addrconf_add_dev+0xe2/0x170
[ 6542.395138][   T10]      inet6_addr_add+0x12f/0xa40
[ 6542.395138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.395138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.395138][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.395138][   T10]      netlink_unicast+0x449/0x710
[ 6542.395138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.395138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.395138][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.395138][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.395138][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.395138][   T10] 
[ 6542.397105][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.397105][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6542.397105][   T10]      ipv6_find_idev+0x102/0x170
[ 6542.397105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6542.397105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.397105][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.397105][   T10]      netlink_unicast+0x449/0x710
[ 6542.397105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.397105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.397105][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.397105][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.397105][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.397105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.397105][   T10] 
[ 6542.398639][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6542.398639][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6542.398639][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6542.398639][   T10]      ipv6_find_idev+0x102/0x170
[ 6542.398639][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6542.398639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.398639][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.398639][   T10]      netlink_unicast+0x449/0x710
[ 6542.398639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.398639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.398639][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.398639][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.398639][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.398639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.398639][   T10] 
[ 6542.400333][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6542.400569][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.400569][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6542.400569][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6542.400569][   T10]      fib6_nh_init+0xa22/0x1580
[ 6542.400569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.400569][   T10]      ip6_route_add+0x1c/0x140
[ 6542.400569][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6542.400569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.400569][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.400569][   T10]      netlink_unicast+0x449/0x710
[ 6542.400569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.400569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.400569][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.400569][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.400569][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.400569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.400569][   T10] 
[ 6542.402448][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.402448][   T10]      dst_init+0x84/0x4a0
[ 6542.402448][   T10]      dst_alloc+0x97/0x150
[ 6542.402448][   T10]      ip6_dst_alloc+0x23/0x90
[ 6542.402448][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6542.402448][   T10]      ip6_pol_route+0x56f/0x840
[ 6542.402448][   T10]      fib6_rule_lookup+0x456/0x630
[ 6542.402448][   T10]      ip6_route_input+0x59c/0xa50
[ 6542.402448][   T10]      ipv6_rcv+0x397/0x810
[ 6542.402448][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6542.402448][   T10]      process_backlog+0x101/0x620
[ 6542.402448][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6542.402448][   T10]      net_rx_action+0x495/0xbe0
[ 6542.402448][   T10]      __do_softirq+0x1b5/0x7f6
[ 6542.402448][   T10] 
[ 6542.404073][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.404073][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.404073][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.404073][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.404073][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6542.404073][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6542.404073][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6542.404073][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6542.404073][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6542.404073][   T10]      addrconf_dad_begin+0x310/0x670
[ 6542.404073][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6542.404073][   T10]      process_one_work+0x84d/0x18a0
[ 6542.404073][   T10]      worker_thread+0x587/0xd30
[ 6542.404073][   T10]      kthread+0x28a/0x350
[ 6542.404073][   T10]      ret_from_fork+0x31/0x70
[ 6542.404073][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6542.404073][   T10] 
[ 6542.405975][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.405975][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.405975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.405975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.405975][   T10]      ip6_route_add+0x1c/0x140
[ 6542.405975][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6542.405975][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6542.405975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.405975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.405975][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.405975][   T10]      netlink_unicast+0x449/0x710
[ 6542.405975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.405975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.405975][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.405975][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.405975][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.405975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.405975][   T10] 
[ 6542.407967][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.407967][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.407967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.407967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.407967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6542.407967][   T10]      ipv6_add_addr+0x411/0x2000
[ 6542.407967][   T10]      inet6_addr_add+0x30e/0xa40
[ 6542.407967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.407967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.407967][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.407967][   T10]      netlink_unicast+0x449/0x710
[ 6542.407967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.407967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.407967][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.407967][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.407967][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.407967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.407967][   T10] 
[ 6542.409977][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.409977][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.409977][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.409977][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.409977][   T10]      ip6_route_add+0x1c/0x140
[ 6542.409977][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6542.409977][   T10]      addrconf_add_dev+0xe2/0x170
[ 6542.409977][   T10]      inet6_addr_add+0x12f/0xa40
[ 6542.409977][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.409977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.409977][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.409977][   T10]      netlink_unicast+0x449/0x710
[ 6542.409977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.409977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.409977][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.409977][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.409977][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.409977][   T10] 
[ 6542.412121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.412121][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6542.412121][   T10]      ipv6_find_idev+0x102/0x170
[ 6542.412121][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6542.412121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.412121][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.412121][   T10]      netlink_unicast+0x449/0x710
[ 6542.412121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.412121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.412121][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.412121][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.412121][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.412121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.412121][   T10] 
[ 6542.413900][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6542.413900][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6542.413900][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6542.413900][   T10]      ipv6_find_idev+0x102/0x170
[ 6542.413900][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6542.413900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.413900][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.413900][   T10]      netlink_unicast+0x449/0x710
[ 6542.413900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.413900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.413900][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.413900][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.413900][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.413900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.413900][   T10] 
[ 6542.415772][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6542.416024][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6542.416024][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.416024][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.416024][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.416024][   T10]      ip6_route_add+0x1c/0x140
[ 6542.416024][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6542.416024][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6542.416024][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.416024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.416024][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.416024][   T10]      netlink_unicast+0x449/0x710
[ 6542.416024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.416024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.416024][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.416024][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.416024][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.416024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.416024][   T10] 
[ 6542.418286][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6542.418286][   T10]      netdev_get_by_index+0x5e/0x80
[ 6542.418286][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6542.418286][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6542.418286][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6542.418286][   T10]      ipv6_add_addr+0x411/0x2000
[ 6542.418286][   T10]      inet6_addr_add+0x30e/0xa40
[ 6542.418286][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6542.418286][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.418286][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.418286][   T10]      netlink_unicast+0x449/0x710
[ 6542.418286][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.418286][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.418286][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.418286][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.418286][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.418286][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.418286][   T10] 
[ 6542.420514][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6542.420514][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6542.420514][   T10]      ipv6_find_idev+0x102/0x170
[ 6542.420514][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6542.420514][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.420514][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.420514][   T10]      netlink_unicast+0x449/0x710
[ 6542.420514][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.420514][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.420514][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.420514][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.420514][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.420514][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.420514][   T10] 
[ 6542.422293][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6542.422293][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6542.422293][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6542.422293][   T10]      ipv6_find_idev+0x102/0x170
[ 6542.422293][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6542.422293][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6542.422293][   T10]      netlink_rcv_skb+0x130/0x360
[ 6542.422293][   T10]      netlink_unicast+0x449/0x710
[ 6542.422293][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6542.422293][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6542.422293][   T10]      ___sys_sendmsg+0xee/0x170
[ 6542.422293][   T10]      __sys_sendmsg+0xcd/0x170
[ 6542.422293][   T10]      do_syscall_64+0xc6/0x1e0
[ 6542.422293][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6542.422293][   T10] 
[ 6552.448722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6552.449160][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.449160][   T10]      dst_init+0x84/0x4a0
[ 6552.449160][   T10]      dst_alloc+0x97/0x150
[ 6552.449160][   T10]      ip6_dst_alloc+0x23/0x90
[ 6552.449160][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6552.449160][   T10]      ip6_pol_route+0x56f/0x840
[ 6552.449160][   T10]      fib6_rule_lookup+0x456/0x630
[ 6552.449160][   T10]      ip6_route_input+0x59c/0xa50
[ 6552.449160][   T10]      ipv6_rcv+0x397/0x810
[ 6552.449160][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6552.449160][   T10]      process_backlog+0x101/0x620
[ 6552.449160][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6552.449160][   T10]      net_rx_action+0x495/0xbe0
[ 6552.449160][   T10]      __do_softirq+0x1b5/0x7f6
[ 6552.449160][   T10] 
[ 6552.450830][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.450830][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6552.450830][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6552.450830][   T10]      fib6_nh_init+0xa22/0x1580
[ 6552.450830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.450830][   T10]      ip6_route_add+0x1c/0x140
[ 6552.450830][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6552.450830][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.450830][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.450830][   T10]      netlink_unicast+0x449/0x710
[ 6552.450830][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.450830][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.450830][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.450830][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.450830][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.450830][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.450830][   T10] 
[ 6552.452715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.452715][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.452715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.452715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.452715][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6552.452715][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6552.452715][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6552.452715][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6552.452715][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6552.452715][   T10]      addrconf_dad_begin+0x310/0x670
[ 6552.452715][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6552.452715][   T10]      process_one_work+0x84d/0x18a0
[ 6552.452715][   T10]      worker_thread+0x587/0xd30
[ 6552.452715][   T10]      kthread+0x28a/0x350
[ 6552.452715][   T10]      ret_from_fork+0x31/0x70
[ 6552.452715][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6552.452715][   T10] 
[ 6552.454620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.454620][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.454620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.454620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.454620][   T10]      ip6_route_add+0x1c/0x140
[ 6552.454620][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6552.454620][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6552.454620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.454620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.454620][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.454620][   T10]      netlink_unicast+0x449/0x710
[ 6552.454620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.454620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.454620][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.454620][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.454620][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.454620][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.454620][   T10] 
[ 6552.456629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.456629][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.456629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.456629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.456629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6552.456629][   T10]      ipv6_add_addr+0x411/0x2000
[ 6552.456629][   T10]      inet6_addr_add+0x30e/0xa40
[ 6552.456629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.456629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.456629][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.456629][   T10]      netlink_unicast+0x449/0x710
[ 6552.456629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.456629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.456629][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.456629][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.456629][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.456629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.456629][   T10] 
[ 6552.458622][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.458622][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.458622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.458622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.458622][   T10]      ip6_route_add+0x1c/0x140
[ 6552.458622][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6552.458622][   T10]      addrconf_add_dev+0xe2/0x170
[ 6552.458622][   T10]      inet6_addr_add+0x12f/0xa40
[ 6552.458622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.458622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.458622][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.458622][   T10]      netlink_unicast+0x449/0x710
[ 6552.458622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.458622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.458622][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.458622][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.458622][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.458622][   T10] 
[ 6552.460584][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.460584][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6552.460584][   T10]      ipv6_find_idev+0x102/0x170
[ 6552.460584][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6552.460584][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.460584][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.460584][   T10]      netlink_unicast+0x449/0x710
[ 6552.460584][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.460584][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.460584][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.460584][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.460584][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.460584][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.460584][   T10] 
[ 6552.462120][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6552.462120][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6552.462120][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6552.462120][   T10]      ipv6_find_idev+0x102/0x170
[ 6552.462120][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6552.462120][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.462120][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.462120][   T10]      netlink_unicast+0x449/0x710
[ 6552.462120][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.462120][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.462120][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.462120][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.462120][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.462120][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.462120][   T10] 
[ 6552.463819][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6552.464056][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.464056][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6552.464056][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6552.464056][   T10]      fib6_nh_init+0xa22/0x1580
[ 6552.464056][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.464056][   T10]      ip6_route_add+0x1c/0x140
[ 6552.464056][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6552.464056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.464056][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.464056][   T10]      netlink_unicast+0x449/0x710
[ 6552.464056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.464056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.464056][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.464056][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.464056][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.464056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.464056][   T10] 
[ 6552.465942][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.465942][   T10]      dst_init+0x84/0x4a0
[ 6552.465942][   T10]      dst_alloc+0x97/0x150
[ 6552.465942][   T10]      ip6_dst_alloc+0x23/0x90
[ 6552.465942][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6552.465942][   T10]      ip6_pol_route+0x56f/0x840
[ 6552.465942][   T10]      fib6_rule_lookup+0x456/0x630
[ 6552.465942][   T10]      ip6_route_input+0x59c/0xa50
[ 6552.465942][   T10]      ipv6_rcv+0x397/0x810
[ 6552.465942][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6552.465942][   T10]      process_backlog+0x101/0x620
[ 6552.465942][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6552.465942][   T10]      net_rx_action+0x495/0xbe0
[ 6552.465942][   T10]      __do_softirq+0x1b5/0x7f6
[ 6552.465942][   T10] 
[ 6552.467592][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.467592][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.467592][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.467592][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.467592][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6552.467592][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6552.467592][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6552.467592][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6552.467592][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6552.467592][   T10]      addrconf_dad_begin+0x310/0x670
[ 6552.467592][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6552.467592][   T10]      process_one_work+0x84d/0x18a0
[ 6552.467592][   T10]      worker_thread+0x587/0xd30
[ 6552.467592][   T10]      kthread+0x28a/0x350
[ 6552.467592][   T10]      ret_from_fork+0x31/0x70
[ 6552.467592][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6552.467592][   T10] 
[ 6552.469491][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.469491][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.469491][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.469491][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.469491][   T10]      ip6_route_add+0x1c/0x140
[ 6552.469491][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6552.469491][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6552.469491][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.469491][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.469491][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.469491][   T10]      netlink_unicast+0x449/0x710
[ 6552.469491][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.469491][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.469491][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.469491][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.469491][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.469491][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.469491][   T10] 
[ 6552.471499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.471499][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.471499][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.471499][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.471499][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6552.471499][   T10]      ipv6_add_addr+0x411/0x2000
[ 6552.471499][   T10]      inet6_addr_add+0x30e/0xa40
[ 6552.471499][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.471499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.471499][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.471499][   T10]      netlink_unicast+0x449/0x710
[ 6552.471499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.471499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.471499][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.471499][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.471499][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.471499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.471499][   T10] 
[ 6552.473493][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.473493][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.473493][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.473493][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.473493][   T10]      ip6_route_add+0x1c/0x140
[ 6552.473493][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6552.473493][   T10]      addrconf_add_dev+0xe2/0x170
[ 6552.473493][   T10]      inet6_addr_add+0x12f/0xa40
[ 6552.473493][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.473493][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.473493][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.473493][   T10]      netlink_unicast+0x449/0x710
[ 6552.473493][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.473493][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.473493][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.473493][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.473493][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.473493][   T10] 
[ 6552.475645][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.475645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6552.475645][   T10]      ipv6_find_idev+0x102/0x170
[ 6552.475645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6552.475645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.475645][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.475645][   T10]      netlink_unicast+0x449/0x710
[ 6552.475645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.475645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.475645][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.475645][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.475645][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.475645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.475645][   T10] 
[ 6552.477361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6552.477361][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6552.477361][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6552.477361][   T10]      ipv6_find_idev+0x102/0x170
[ 6552.477361][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6552.477361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.477361][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.477361][   T10]      netlink_unicast+0x449/0x710
[ 6552.477361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.477361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.477361][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.477361][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.477361][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.477361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.477361][   T10] 
[ 6552.479285][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6552.479523][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6552.479523][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.479523][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.479523][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.479523][   T10]      ip6_route_add+0x1c/0x140
[ 6552.479523][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6552.479523][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6552.479523][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.479523][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.479523][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.479523][   T10]      netlink_unicast+0x449/0x710
[ 6552.479523][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.479523][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.479523][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.479523][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.479523][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.479523][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.479523][   T10] 
[ 6552.481757][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6552.481757][   T10]      netdev_get_by_index+0x5e/0x80
[ 6552.481757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6552.481757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6552.481757][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6552.481757][   T10]      ipv6_add_addr+0x411/0x2000
[ 6552.481757][   T10]      inet6_addr_add+0x30e/0xa40
[ 6552.481757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6552.481757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.481757][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.481757][   T10]      netlink_unicast+0x449/0x710
[ 6552.481757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.481757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.481757][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.481757][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.481757][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.481757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.481757][   T10] 
[ 6552.483989][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6552.483989][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6552.483989][   T10]      ipv6_find_idev+0x102/0x170
[ 6552.483989][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6552.483989][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.483989][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.483989][   T10]      netlink_unicast+0x449/0x710
[ 6552.483989][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.483989][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.483989][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.483989][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.483989][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.483989][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.483989][   T10] 
[ 6552.485713][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6552.485713][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6552.485713][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6552.485713][   T10]      ipv6_find_idev+0x102/0x170
[ 6552.485713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6552.485713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6552.485713][   T10]      netlink_rcv_skb+0x130/0x360
[ 6552.485713][   T10]      netlink_unicast+0x449/0x710
[ 6552.485713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6552.485713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6552.485713][   T10]      ___sys_sendmsg+0xee/0x170
[ 6552.485713][   T10]      __sys_sendmsg+0xcd/0x170
[ 6552.485713][   T10]      do_syscall_64+0xc6/0x1e0
[ 6552.485713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6552.485713][   T10] 
[ 6562.728854][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6562.729421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.729421][   T10]      dst_init+0x84/0x4a0
[ 6562.729421][   T10]      dst_alloc+0x97/0x150
[ 6562.729421][   T10]      ip6_dst_alloc+0x23/0x90
[ 6562.729421][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6562.729421][   T10]      ip6_pol_route+0x56f/0x840
[ 6562.729421][   T10]      fib6_rule_lookup+0x456/0x630
[ 6562.729421][   T10]      ip6_route_input+0x59c/0xa50
[ 6562.729421][   T10]      ipv6_rcv+0x397/0x810
[ 6562.729421][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6562.729421][   T10]      process_backlog+0x101/0x620
[ 6562.729421][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6562.729421][   T10]      net_rx_action+0x495/0xbe0
[ 6562.729421][   T10]      __do_softirq+0x1b5/0x7f6
[ 6562.729421][   T10] 
[ 6562.731087][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.731087][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6562.731087][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6562.731087][   T10]      fib6_nh_init+0xa22/0x1580
[ 6562.731087][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.731087][   T10]      ip6_route_add+0x1c/0x140
[ 6562.731087][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6562.731087][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.731087][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.731087][   T10]      netlink_unicast+0x449/0x710
[ 6562.731087][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.731087][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.731087][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.731087][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.731087][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.731087][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.731087][   T10] 
[ 6562.732975][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.732975][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.732975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.732975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.732975][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6562.732975][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6562.732975][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6562.732975][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6562.732975][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6562.732975][   T10]      addrconf_dad_begin+0x310/0x670
[ 6562.732975][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6562.732975][   T10]      process_one_work+0x84d/0x18a0
[ 6562.732975][   T10]      worker_thread+0x587/0xd30
[ 6562.732975][   T10]      kthread+0x28a/0x350
[ 6562.732975][   T10]      ret_from_fork+0x31/0x70
[ 6562.732975][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6562.732975][   T10] 
[ 6562.734909][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.734909][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.734909][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.734909][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.734909][   T10]      ip6_route_add+0x1c/0x140
[ 6562.734909][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6562.734909][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6562.734909][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.734909][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.734909][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.734909][   T10]      netlink_unicast+0x449/0x710
[ 6562.734909][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.734909][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.734909][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.734909][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.734909][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.734909][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.734909][   T10] 
[ 6562.736916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.736916][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.736916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.736916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.736916][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6562.736916][   T10]      ipv6_add_addr+0x411/0x2000
[ 6562.736916][   T10]      inet6_addr_add+0x30e/0xa40
[ 6562.736916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.736916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.736916][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.736916][   T10]      netlink_unicast+0x449/0x710
[ 6562.736916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.736916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.736916][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.736916][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.736916][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.736916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.736916][   T10] 
[ 6562.738908][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.738908][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.738908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.738908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.738908][   T10]      ip6_route_add+0x1c/0x140
[ 6562.738908][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6562.738908][   T10]      addrconf_add_dev+0xe2/0x170
[ 6562.738908][   T10]      inet6_addr_add+0x12f/0xa40
[ 6562.738908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.738908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.738908][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.738908][   T10]      netlink_unicast+0x449/0x710
[ 6562.738908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.738908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.738908][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.738908][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.738908][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.738908][   T10] 
[ 6562.740867][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.740867][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6562.740867][   T10]      ipv6_find_idev+0x102/0x170
[ 6562.740867][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6562.740867][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.740867][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.740867][   T10]      netlink_unicast+0x449/0x710
[ 6562.740867][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.740867][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.740867][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.740867][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.740867][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.740867][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.740867][   T10] 
[ 6562.742403][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6562.742403][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6562.742403][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6562.742403][   T10]      ipv6_find_idev+0x102/0x170
[ 6562.742403][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6562.742403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.742403][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.742403][   T10]      netlink_unicast+0x449/0x710
[ 6562.742403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.742403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.742403][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.742403][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.742403][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.742403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.742403][   T10] 
[ 6562.744116][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6562.744361][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.744361][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6562.744361][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6562.744361][   T10]      fib6_nh_init+0xa22/0x1580
[ 6562.744361][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.744361][   T10]      ip6_route_add+0x1c/0x140
[ 6562.744361][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6562.744361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.744361][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.744361][   T10]      netlink_unicast+0x449/0x710
[ 6562.744361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.744361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.744361][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.744361][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.744361][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.744361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.744361][   T10] 
[ 6562.746278][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.746278][   T10]      dst_init+0x84/0x4a0
[ 6562.746278][   T10]      dst_alloc+0x97/0x150
[ 6562.746278][   T10]      ip6_dst_alloc+0x23/0x90
[ 6562.746278][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6562.746278][   T10]      ip6_pol_route+0x56f/0x840
[ 6562.746278][   T10]      fib6_rule_lookup+0x456/0x630
[ 6562.746278][   T10]      ip6_route_input+0x59c/0xa50
[ 6562.746278][   T10]      ipv6_rcv+0x397/0x810
[ 6562.746278][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6562.746278][   T10]      process_backlog+0x101/0x620
[ 6562.746278][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6562.746278][   T10]      net_rx_action+0x495/0xbe0
[ 6562.746278][   T10]      __do_softirq+0x1b5/0x7f6
[ 6562.746278][   T10] 
[ 6562.747910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.747910][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.747910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.747910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.747910][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6562.747910][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6562.747910][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6562.747910][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6562.747910][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6562.747910][   T10]      addrconf_dad_begin+0x310/0x670
[ 6562.747910][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6562.747910][   T10]      process_one_work+0x84d/0x18a0
[ 6562.747910][   T10]      worker_thread+0x587/0xd30
[ 6562.747910][   T10]      kthread+0x28a/0x350
[ 6562.747910][   T10]      ret_from_fork+0x31/0x70
[ 6562.747910][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6562.747910][   T10] 
[ 6562.749818][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.749818][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.749818][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.749818][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.749818][   T10]      ip6_route_add+0x1c/0x140
[ 6562.749818][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6562.749818][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6562.749818][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.749818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.749818][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.749818][   T10]      netlink_unicast+0x449/0x710
[ 6562.749818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.749818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.749818][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.749818][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.749818][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.749818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.749818][   T10] 
[ 6562.751808][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.751808][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.751808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.751808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.751808][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6562.751808][   T10]      ipv6_add_addr+0x411/0x2000
[ 6562.751808][   T10]      inet6_addr_add+0x30e/0xa40
[ 6562.751808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.751808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.751808][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.751808][   T10]      netlink_unicast+0x449/0x710
[ 6562.751808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.751808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.751808][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.751808][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.751808][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.751808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.751808][   T10] 
[ 6562.753801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.753801][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.753801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.753801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.753801][   T10]      ip6_route_add+0x1c/0x140
[ 6562.753801][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6562.753801][   T10]      addrconf_add_dev+0xe2/0x170
[ 6562.753801][   T10]      inet6_addr_add+0x12f/0xa40
[ 6562.753801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.753801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.753801][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.753801][   T10]      netlink_unicast+0x449/0x710
[ 6562.753801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.753801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.753801][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.753801][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.753801][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.753801][   T10] 
[ 6562.755970][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.755970][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6562.755970][   T10]      ipv6_find_idev+0x102/0x170
[ 6562.755970][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6562.755970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.755970][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.755970][   T10]      netlink_unicast+0x449/0x710
[ 6562.755970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.755970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.755970][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.755970][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.755970][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.755970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.755970][   T10] 
[ 6562.757752][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6562.757752][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6562.757752][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6562.757752][   T10]      ipv6_find_idev+0x102/0x170
[ 6562.757752][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6562.757752][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.757752][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.757752][   T10]      netlink_unicast+0x449/0x710
[ 6562.757752][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.757752][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.757752][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.757752][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.757752][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.757752][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.757752][   T10] 
[ 6562.759629][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6562.759869][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6562.759869][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.759869][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.759869][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.759869][   T10]      ip6_route_add+0x1c/0x140
[ 6562.759869][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6562.759869][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6562.759869][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.759869][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.759869][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.759869][   T10]      netlink_unicast+0x449/0x710
[ 6562.759869][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.759869][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.759869][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.759869][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.759869][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.759869][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.759869][   T10] 
[ 6562.762639][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6562.762639][   T10]      netdev_get_by_index+0x5e/0x80
[ 6562.762639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6562.762639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6562.762639][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6562.762639][   T10]      ipv6_add_addr+0x411/0x2000
[ 6562.762639][   T10]      inet6_addr_add+0x30e/0xa40
[ 6562.762639][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6562.762639][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.762639][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.762639][   T10]      netlink_unicast+0x449/0x710
[ 6562.762639][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.762639][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.762639][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.762639][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.762639][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.762639][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.762639][   T10] 
[ 6562.764819][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6562.764819][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6562.764819][   T10]      ipv6_find_idev+0x102/0x170
[ 6562.764819][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6562.764819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.764819][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.764819][   T10]      netlink_unicast+0x449/0x710
[ 6562.764819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.764819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.764819][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.764819][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.764819][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.764819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.764819][   T10] 
[ 6562.766594][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6562.766594][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6562.766594][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6562.766594][   T10]      ipv6_find_idev+0x102/0x170
[ 6562.766594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6562.766594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6562.766594][   T10]      netlink_rcv_skb+0x130/0x360
[ 6562.766594][   T10]      netlink_unicast+0x449/0x710
[ 6562.766594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6562.766594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6562.766594][   T10]      ___sys_sendmsg+0xee/0x170
[ 6562.766594][   T10]      __sys_sendmsg+0xcd/0x170
[ 6562.766594][   T10]      do_syscall_64+0xc6/0x1e0
[ 6562.766594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6562.766594][   T10] 
[ 6573.008768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6573.009565][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.009565][   T10]      dst_init+0x84/0x4a0
[ 6573.009565][   T10]      dst_alloc+0x97/0x150
[ 6573.009565][   T10]      ip6_dst_alloc+0x23/0x90
[ 6573.009565][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6573.009565][   T10]      ip6_pol_route+0x56f/0x840
[ 6573.009565][   T10]      fib6_rule_lookup+0x456/0x630
[ 6573.009565][   T10]      ip6_route_input+0x59c/0xa50
[ 6573.009565][   T10]      ipv6_rcv+0x397/0x810
[ 6573.009565][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6573.009565][   T10]      process_backlog+0x101/0x620
[ 6573.009565][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6573.009565][   T10]      net_rx_action+0x495/0xbe0
[ 6573.009565][   T10]      __do_softirq+0x1b5/0x7f6
[ 6573.009565][   T10] 
[ 6573.011174][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.011174][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6573.011174][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6573.011174][   T10]      fib6_nh_init+0xa22/0x1580
[ 6573.011174][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.011174][   T10]      ip6_route_add+0x1c/0x140
[ 6573.011174][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6573.011174][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.011174][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.011174][   T10]      netlink_unicast+0x449/0x710
[ 6573.011174][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.011174][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.011174][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.011174][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.011174][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.011174][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.011174][   T10] 
[ 6573.012983][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.012983][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.012983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.012983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.012983][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6573.012983][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6573.012983][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6573.012983][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6573.012983][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6573.012983][   T10]      addrconf_dad_begin+0x310/0x670
[ 6573.012983][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6573.012983][   T10]      process_one_work+0x84d/0x18a0
[ 6573.012983][   T10]      worker_thread+0x587/0xd30
[ 6573.012983][   T10]      kthread+0x28a/0x350
[ 6573.012983][   T10]      ret_from_fork+0x31/0x70
[ 6573.012983][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6573.012983][   T10] 
[ 6573.014872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.014872][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.014872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.014872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.014872][   T10]      ip6_route_add+0x1c/0x140
[ 6573.014872][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6573.014872][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6573.014872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.014872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.014872][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.014872][   T10]      netlink_unicast+0x449/0x710
[ 6573.014872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.014872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.014872][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.014872][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.014872][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.014872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.014872][   T10] 
[ 6573.016847][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.016847][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.016847][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.016847][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.016847][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6573.016847][   T10]      ipv6_add_addr+0x411/0x2000
[ 6573.016847][   T10]      inet6_addr_add+0x30e/0xa40
[ 6573.016847][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.016847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.016847][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.016847][   T10]      netlink_unicast+0x449/0x710
[ 6573.016847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.016847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.016847][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.016847][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.016847][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.016847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.016847][   T10] 
[ 6573.018792][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.018792][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.018792][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.018792][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.018792][   T10]      ip6_route_add+0x1c/0x140
[ 6573.018792][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6573.018792][   T10]      addrconf_add_dev+0xe2/0x170
[ 6573.018792][   T10]      inet6_addr_add+0x12f/0xa40
[ 6573.018792][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.018792][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.018792][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.018792][   T10]      netlink_unicast+0x449/0x710
[ 6573.018792][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.018792][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.018792][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.018792][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.018792][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.018792][   T10] 
[ 6573.020768][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.020768][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6573.020768][   T10]      ipv6_find_idev+0x102/0x170
[ 6573.020768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6573.020768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.020768][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.020768][   T10]      netlink_unicast+0x449/0x710
[ 6573.020768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.020768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.020768][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.020768][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.020768][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.020768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.020768][   T10] 
[ 6573.022226][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6573.022226][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6573.022226][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6573.022226][   T10]      ipv6_find_idev+0x102/0x170
[ 6573.022226][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6573.022226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.022226][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.022226][   T10]      netlink_unicast+0x449/0x710
[ 6573.022226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.022226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.022226][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.022226][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.022226][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.022226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.022226][   T10] 
[ 6573.023903][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6573.024169][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.024169][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6573.024169][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6573.024169][   T10]      fib6_nh_init+0xa22/0x1580
[ 6573.024169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.024169][   T10]      ip6_route_add+0x1c/0x140
[ 6573.024169][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6573.024169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.024169][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.024169][   T10]      netlink_unicast+0x449/0x710
[ 6573.024169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.024169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.024169][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.024169][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.024169][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.024169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.024169][   T10] 
[ 6573.026087][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.026087][   T10]      dst_init+0x84/0x4a0
[ 6573.026087][   T10]      dst_alloc+0x97/0x150
[ 6573.026087][   T10]      ip6_dst_alloc+0x23/0x90
[ 6573.026087][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6573.026087][   T10]      ip6_pol_route+0x56f/0x840
[ 6573.026087][   T10]      fib6_rule_lookup+0x456/0x630
[ 6573.026087][   T10]      ip6_route_input+0x59c/0xa50
[ 6573.026087][   T10]      ipv6_rcv+0x397/0x810
[ 6573.026087][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6573.026087][   T10]      process_backlog+0x101/0x620
[ 6573.026087][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6573.026087][   T10]      net_rx_action+0x495/0xbe0
[ 6573.026087][   T10]      __do_softirq+0x1b5/0x7f6
[ 6573.026087][   T10] 
[ 6573.027721][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.027721][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.027721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.027721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.027721][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6573.027721][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6573.027721][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6573.027721][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6573.027721][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6573.027721][   T10]      addrconf_dad_begin+0x310/0x670
[ 6573.027721][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6573.027721][   T10]      process_one_work+0x84d/0x18a0
[ 6573.027721][   T10]      worker_thread+0x587/0xd30
[ 6573.027721][   T10]      kthread+0x28a/0x350
[ 6573.027721][   T10]      ret_from_fork+0x31/0x70
[ 6573.027721][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6573.027721][   T10] 
[ 6573.029604][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.029604][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.029604][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.029604][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.029604][   T10]      ip6_route_add+0x1c/0x140
[ 6573.029604][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6573.029604][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6573.029604][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.029604][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.029604][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.029604][   T10]      netlink_unicast+0x449/0x710
[ 6573.029604][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.029604][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.029604][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.029604][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.029604][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.029604][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.029604][   T10] 
[ 6573.031571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.031571][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.031571][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.031571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.031571][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6573.031571][   T10]      ipv6_add_addr+0x411/0x2000
[ 6573.031571][   T10]      inet6_addr_add+0x30e/0xa40
[ 6573.031571][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.031571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.031571][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.031571][   T10]      netlink_unicast+0x449/0x710
[ 6573.031571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.031571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.031571][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.031571][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.031571][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.031571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.031571][   T10] 
[ 6573.033566][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.033566][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.033566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.033566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.033566][   T10]      ip6_route_add+0x1c/0x140
[ 6573.033566][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6573.033566][   T10]      addrconf_add_dev+0xe2/0x170
[ 6573.033566][   T10]      inet6_addr_add+0x12f/0xa40
[ 6573.033566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.033566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.033566][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.033566][   T10]      netlink_unicast+0x449/0x710
[ 6573.033566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.033566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.033566][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.033566][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.033566][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.033566][   T10] 
[ 6573.036139][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.036139][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6573.036139][   T10]      ipv6_find_idev+0x102/0x170
[ 6573.036139][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6573.036139][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.036139][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.036139][   T10]      netlink_unicast+0x449/0x710
[ 6573.036139][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.036139][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.036139][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.036139][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.036139][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.036139][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.036139][   T10] 
[ 6573.037875][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6573.037875][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6573.037875][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6573.037875][   T10]      ipv6_find_idev+0x102/0x170
[ 6573.037875][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6573.037875][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.037875][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.037875][   T10]      netlink_unicast+0x449/0x710
[ 6573.037875][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.037875][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.037875][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.037875][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.037875][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.037875][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.037875][   T10] 
[ 6573.039847][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6573.040092][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6573.040092][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.040092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.040092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.040092][   T10]      ip6_route_add+0x1c/0x140
[ 6573.040092][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6573.040092][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6573.040092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.040092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.040092][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.040092][   T10]      netlink_unicast+0x449/0x710
[ 6573.040092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.040092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.040092][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.040092][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.040092][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.040092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.040092][   T10] 
[ 6573.042317][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6573.042317][   T10]      netdev_get_by_index+0x5e/0x80
[ 6573.042317][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6573.042317][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6573.042317][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6573.042317][   T10]      ipv6_add_addr+0x411/0x2000
[ 6573.042317][   T10]      inet6_addr_add+0x30e/0xa40
[ 6573.042317][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6573.042317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.042317][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.042317][   T10]      netlink_unicast+0x449/0x710
[ 6573.042317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.042317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.042317][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.042317][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.042317][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.042317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.042317][   T10] 
[ 6573.044473][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6573.044473][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6573.044473][   T10]      ipv6_find_idev+0x102/0x170
[ 6573.044473][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6573.044473][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.044473][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.044473][   T10]      netlink_unicast+0x449/0x710
[ 6573.044473][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.044473][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.044473][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.044473][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.044473][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.044473][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.044473][   T10] 
[ 6573.046105][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6573.046105][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6573.046105][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6573.046105][   T10]      ipv6_find_idev+0x102/0x170
[ 6573.046105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6573.046105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6573.046105][   T10]      netlink_rcv_skb+0x130/0x360
[ 6573.046105][   T10]      netlink_unicast+0x449/0x710
[ 6573.046105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6573.046105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6573.046105][   T10]      ___sys_sendmsg+0xee/0x170
[ 6573.046105][   T10]      __sys_sendmsg+0xcd/0x170
[ 6573.046105][   T10]      do_syscall_64+0xc6/0x1e0
[ 6573.046105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6573.046105][   T10] 
[ 6583.096802][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6583.097215][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.097215][   T10]      dst_init+0x84/0x4a0
[ 6583.097215][   T10]      dst_alloc+0x97/0x150
[ 6583.097215][   T10]      ip6_dst_alloc+0x23/0x90
[ 6583.097215][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6583.097215][   T10]      ip6_pol_route+0x56f/0x840
[ 6583.097215][   T10]      fib6_rule_lookup+0x456/0x630
[ 6583.097215][   T10]      ip6_route_input+0x59c/0xa50
[ 6583.097215][   T10]      ipv6_rcv+0x397/0x810
[ 6583.097215][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6583.097215][   T10]      process_backlog+0x101/0x620
[ 6583.097215][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6583.097215][   T10]      net_rx_action+0x495/0xbe0
[ 6583.097215][   T10]      __do_softirq+0x1b5/0x7f6
[ 6583.097215][   T10] 
[ 6583.098919][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.098919][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6583.098919][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6583.098919][   T10]      fib6_nh_init+0xa22/0x1580
[ 6583.098919][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.098919][   T10]      ip6_route_add+0x1c/0x140
[ 6583.098919][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6583.098919][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.098919][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.098919][   T10]      netlink_unicast+0x449/0x710
[ 6583.098919][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.098919][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.098919][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.098919][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.098919][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.098919][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.098919][   T10] 
[ 6583.100830][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.100830][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.100830][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.100830][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.100830][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6583.100830][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6583.100830][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6583.100830][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6583.100830][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6583.100830][   T10]      addrconf_dad_begin+0x310/0x670
[ 6583.100830][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6583.100830][   T10]      process_one_work+0x84d/0x18a0
[ 6583.100830][   T10]      worker_thread+0x587/0xd30
[ 6583.100830][   T10]      kthread+0x28a/0x350
[ 6583.100830][   T10]      ret_from_fork+0x31/0x70
[ 6583.100830][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6583.100830][   T10] 
[ 6583.102763][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.102763][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.102763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.102763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.102763][   T10]      ip6_route_add+0x1c/0x140
[ 6583.102763][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6583.102763][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6583.102763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.102763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.102763][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.102763][   T10]      netlink_unicast+0x449/0x710
[ 6583.102763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.102763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.102763][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.102763][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.102763][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.102763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.102763][   T10] 
[ 6583.104781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.104781][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.104781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.104781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.104781][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6583.104781][   T10]      ipv6_add_addr+0x411/0x2000
[ 6583.104781][   T10]      inet6_addr_add+0x30e/0xa40
[ 6583.104781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.104781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.104781][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.104781][   T10]      netlink_unicast+0x449/0x710
[ 6583.104781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.104781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.104781][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.104781][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.104781][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.104781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.104781][   T10] 
[ 6583.106814][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.106814][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.106814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.106814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.106814][   T10]      ip6_route_add+0x1c/0x140
[ 6583.106814][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6583.106814][   T10]      addrconf_add_dev+0xe2/0x170
[ 6583.106814][   T10]      inet6_addr_add+0x12f/0xa40
[ 6583.106814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.106814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.106814][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.106814][   T10]      netlink_unicast+0x449/0x710
[ 6583.106814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.106814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.106814][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.106814][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.106814][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.106814][   T10] 
[ 6583.108818][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.108818][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6583.108818][   T10]      ipv6_find_idev+0x102/0x170
[ 6583.108818][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6583.108818][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.108818][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.108818][   T10]      netlink_unicast+0x449/0x710
[ 6583.108818][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.108818][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.108818][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.108818][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.108818][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.108818][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.108818][   T10] 
[ 6583.110375][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6583.110375][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6583.110375][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6583.110375][   T10]      ipv6_find_idev+0x102/0x170
[ 6583.110375][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6583.110375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.110375][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.110375][   T10]      netlink_unicast+0x449/0x710
[ 6583.110375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.110375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.110375][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.110375][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.110375][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.110375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.110375][   T10] 
[ 6583.112106][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6583.112352][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.112352][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6583.112352][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6583.112352][   T10]      fib6_nh_init+0xa22/0x1580
[ 6583.112352][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.112352][   T10]      ip6_route_add+0x1c/0x140
[ 6583.112352][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6583.112352][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.112352][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.112352][   T10]      netlink_unicast+0x449/0x710
[ 6583.112352][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.112352][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.112352][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.112352][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.112352][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.112352][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.112352][   T10] 
[ 6583.114248][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.114248][   T10]      dst_init+0x84/0x4a0
[ 6583.114248][   T10]      dst_alloc+0x97/0x150
[ 6583.114248][   T10]      ip6_dst_alloc+0x23/0x90
[ 6583.114248][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6583.114248][   T10]      ip6_pol_route+0x56f/0x840
[ 6583.114248][   T10]      fib6_rule_lookup+0x456/0x630
[ 6583.114248][   T10]      ip6_route_input+0x59c/0xa50
[ 6583.114248][   T10]      ipv6_rcv+0x397/0x810
[ 6583.114248][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6583.114248][   T10]      process_backlog+0x101/0x620
[ 6583.114248][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6583.114248][   T10]      net_rx_action+0x495/0xbe0
[ 6583.114248][   T10]      __do_softirq+0x1b5/0x7f6
[ 6583.114248][   T10] 
[ 6583.115911][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.115911][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.115911][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.115911][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.115911][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6583.115911][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6583.115911][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6583.115911][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6583.115911][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6583.115911][   T10]      addrconf_dad_begin+0x310/0x670
[ 6583.115911][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6583.115911][   T10]      process_one_work+0x84d/0x18a0
[ 6583.115911][   T10]      worker_thread+0x587/0xd30
[ 6583.115911][   T10]      kthread+0x28a/0x350
[ 6583.115911][   T10]      ret_from_fork+0x31/0x70
[ 6583.115911][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6583.115911][   T10] 
[ 6583.117834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.117834][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.117834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.117834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.117834][   T10]      ip6_route_add+0x1c/0x140
[ 6583.117834][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6583.117834][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6583.117834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.117834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.117834][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.117834][   T10]      netlink_unicast+0x449/0x710
[ 6583.117834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.117834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.117834][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.117834][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.117834][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.117834][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.117834][   T10] 
[ 6583.119853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.119853][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.119853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.119853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.119853][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6583.119853][   T10]      ipv6_add_addr+0x411/0x2000
[ 6583.119853][   T10]      inet6_addr_add+0x30e/0xa40
[ 6583.119853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.119853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.119853][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.119853][   T10]      netlink_unicast+0x449/0x710
[ 6583.119853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.119853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.119853][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.119853][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.119853][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.119853][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.119853][   T10] 
[ 6583.121872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.121872][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.121872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.121872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.121872][   T10]      ip6_route_add+0x1c/0x140
[ 6583.121872][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6583.121872][   T10]      addrconf_add_dev+0xe2/0x170
[ 6583.121872][   T10]      inet6_addr_add+0x12f/0xa40
[ 6583.121872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.121872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.121872][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.121872][   T10]      netlink_unicast+0x449/0x710
[ 6583.121872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.121872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.121872][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.121872][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.121872][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.121872][   T10] 
[ 6583.124058][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.124058][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6583.124058][   T10]      ipv6_find_idev+0x102/0x170
[ 6583.124058][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6583.124058][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.124058][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.124058][   T10]      netlink_unicast+0x449/0x710
[ 6583.124058][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.124058][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.124058][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.124058][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.124058][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.124058][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.124058][   T10] 
[ 6583.125797][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6583.125797][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6583.125797][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6583.125797][   T10]      ipv6_find_idev+0x102/0x170
[ 6583.125797][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6583.125797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.125797][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.125797][   T10]      netlink_unicast+0x449/0x710
[ 6583.125797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.125797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.125797][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.125797][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.125797][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.125797][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.125797][   T10] 
[ 6583.127681][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6583.127925][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6583.127925][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.127925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.127925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.127925][   T10]      ip6_route_add+0x1c/0x140
[ 6583.127925][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6583.127925][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6583.127925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.127925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.127925][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.127925][   T10]      netlink_unicast+0x449/0x710
[ 6583.127925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.127925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.127925][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.127925][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.127925][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.127925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.127925][   T10] 
[ 6583.130255][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6583.130255][   T10]      netdev_get_by_index+0x5e/0x80
[ 6583.130255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6583.130255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6583.130255][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6583.130255][   T10]      ipv6_add_addr+0x411/0x2000
[ 6583.130255][   T10]      inet6_addr_add+0x30e/0xa40
[ 6583.130255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6583.130255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.130255][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.130255][   T10]      netlink_unicast+0x449/0x710
[ 6583.130255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.130255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.130255][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.130255][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.130255][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.130255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.130255][   T10] 
[ 6583.132512][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6583.132512][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6583.132512][   T10]      ipv6_find_idev+0x102/0x170
[ 6583.132512][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6583.132512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.132512][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.132512][   T10]      netlink_unicast+0x449/0x710
[ 6583.132512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.132512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.132512][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.132512][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.132512][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.132512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.132512][   T10] 
[ 6583.134250][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6583.134250][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6583.134250][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6583.134250][   T10]      ipv6_find_idev+0x102/0x170
[ 6583.134250][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6583.134250][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6583.134250][   T10]      netlink_rcv_skb+0x130/0x360
[ 6583.134250][   T10]      netlink_unicast+0x449/0x710
[ 6583.134250][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6583.134250][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6583.134250][   T10]      ___sys_sendmsg+0xee/0x170
[ 6583.134250][   T10]      __sys_sendmsg+0xcd/0x170
[ 6583.134250][   T10]      do_syscall_64+0xc6/0x1e0
[ 6583.134250][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6583.134250][   T10] 
[ 6593.376673][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6593.377146][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.377146][   T10]      dst_init+0x84/0x4a0
[ 6593.377146][   T10]      dst_alloc+0x97/0x150
[ 6593.377146][   T10]      ip6_dst_alloc+0x23/0x90
[ 6593.377146][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6593.377146][   T10]      ip6_pol_route+0x56f/0x840
[ 6593.377146][   T10]      fib6_rule_lookup+0x456/0x630
[ 6593.377146][   T10]      ip6_route_input+0x59c/0xa50
[ 6593.377146][   T10]      ipv6_rcv+0x397/0x810
[ 6593.377146][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6593.377146][   T10]      process_backlog+0x101/0x620
[ 6593.377146][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6593.377146][   T10]      net_rx_action+0x495/0xbe0
[ 6593.377146][   T10]      __do_softirq+0x1b5/0x7f6
[ 6593.377146][   T10] 
[ 6593.378864][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.378864][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6593.378864][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6593.378864][   T10]      fib6_nh_init+0xa22/0x1580
[ 6593.378864][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.378864][   T10]      ip6_route_add+0x1c/0x140
[ 6593.378864][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6593.378864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.378864][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.378864][   T10]      netlink_unicast+0x449/0x710
[ 6593.378864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.378864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.378864][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.378864][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.378864][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.378864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.378864][   T10] 
[ 6593.380778][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.380778][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.380778][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.380778][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.380778][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6593.380778][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6593.380778][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6593.380778][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6593.380778][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6593.380778][   T10]      addrconf_dad_begin+0x310/0x670
[ 6593.380778][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6593.380778][   T10]      process_one_work+0x84d/0x18a0
[ 6593.380778][   T10]      worker_thread+0x587/0xd30
[ 6593.380778][   T10]      kthread+0x28a/0x350
[ 6593.380778][   T10]      ret_from_fork+0x31/0x70
[ 6593.380778][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6593.380778][   T10] 
[ 6593.382717][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.382717][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.382717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.382717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.382717][   T10]      ip6_route_add+0x1c/0x140
[ 6593.382717][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6593.382717][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6593.382717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.382717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.382717][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.382717][   T10]      netlink_unicast+0x449/0x710
[ 6593.382717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.382717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.382717][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.382717][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.382717][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.382717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.382717][   T10] 
[ 6593.384757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.384757][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.384757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.384757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.384757][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6593.384757][   T10]      ipv6_add_addr+0x411/0x2000
[ 6593.384757][   T10]      inet6_addr_add+0x30e/0xa40
[ 6593.384757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.384757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.384757][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.384757][   T10]      netlink_unicast+0x449/0x710
[ 6593.384757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.384757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.384757][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.384757][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.384757][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.384757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.384757][   T10] 
[ 6593.386829][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.386829][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.386829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.386829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.386829][   T10]      ip6_route_add+0x1c/0x140
[ 6593.386829][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6593.386829][   T10]      addrconf_add_dev+0xe2/0x170
[ 6593.386829][   T10]      inet6_addr_add+0x12f/0xa40
[ 6593.386829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.386829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.386829][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.386829][   T10]      netlink_unicast+0x449/0x710
[ 6593.386829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.386829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.386829][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.386829][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.386829][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.386829][   T10] 
[ 6593.388832][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.388832][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6593.388832][   T10]      ipv6_find_idev+0x102/0x170
[ 6593.388832][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6593.388832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.388832][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.388832][   T10]      netlink_unicast+0x449/0x710
[ 6593.388832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.388832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.388832][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.388832][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.388832][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.388832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.388832][   T10] 
[ 6593.390398][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6593.390398][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6593.390398][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6593.390398][   T10]      ipv6_find_idev+0x102/0x170
[ 6593.390398][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6593.390398][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.390398][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.390398][   T10]      netlink_unicast+0x449/0x710
[ 6593.390398][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.390398][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.390398][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.390398][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.390398][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.390398][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.390398][   T10] 
[ 6593.392156][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6593.392413][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.392413][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6593.392413][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6593.392413][   T10]      fib6_nh_init+0xa22/0x1580
[ 6593.392413][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.392413][   T10]      ip6_route_add+0x1c/0x140
[ 6593.392413][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6593.392413][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.392413][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.392413][   T10]      netlink_unicast+0x449/0x710
[ 6593.392413][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.392413][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.392413][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.392413][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.392413][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.392413][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.392413][   T10] 
[ 6593.394326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.394326][   T10]      dst_init+0x84/0x4a0
[ 6593.394326][   T10]      dst_alloc+0x97/0x150
[ 6593.394326][   T10]      ip6_dst_alloc+0x23/0x90
[ 6593.394326][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6593.394326][   T10]      ip6_pol_route+0x56f/0x840
[ 6593.394326][   T10]      fib6_rule_lookup+0x456/0x630
[ 6593.394326][   T10]      ip6_route_input+0x59c/0xa50
[ 6593.394326][   T10]      ipv6_rcv+0x397/0x810
[ 6593.394326][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6593.394326][   T10]      process_backlog+0x101/0x620
[ 6593.394326][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6593.394326][   T10]      net_rx_action+0x495/0xbe0
[ 6593.394326][   T10]      __do_softirq+0x1b5/0x7f6
[ 6593.394326][   T10] 
[ 6593.395997][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.395997][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.395997][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.395997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.395997][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6593.395997][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6593.395997][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6593.395997][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6593.395997][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6593.395997][   T10]      addrconf_dad_begin+0x310/0x670
[ 6593.395997][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6593.395997][   T10]      process_one_work+0x84d/0x18a0
[ 6593.395997][   T10]      worker_thread+0x587/0xd30
[ 6593.395997][   T10]      kthread+0x28a/0x350
[ 6593.395997][   T10]      ret_from_fork+0x31/0x70
[ 6593.395997][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6593.395997][   T10] 
[ 6593.397925][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.397925][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.397925][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.397925][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.397925][   T10]      ip6_route_add+0x1c/0x140
[ 6593.397925][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6593.397925][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6593.397925][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.397925][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.397925][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.397925][   T10]      netlink_unicast+0x449/0x710
[ 6593.397925][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.397925][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.397925][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.397925][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.397925][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.397925][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.397925][   T10] 
[ 6593.399960][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.399960][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.399960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.399960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.399960][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6593.399960][   T10]      ipv6_add_addr+0x411/0x2000
[ 6593.399960][   T10]      inet6_addr_add+0x30e/0xa40
[ 6593.399960][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.399960][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.399960][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.399960][   T10]      netlink_unicast+0x449/0x710
[ 6593.399960][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.399960][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.399960][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.399960][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.399960][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.399960][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.399960][   T10] 
[ 6593.401999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.401999][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.401999][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.401999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.401999][   T10]      ip6_route_add+0x1c/0x140
[ 6593.401999][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6593.401999][   T10]      addrconf_add_dev+0xe2/0x170
[ 6593.401999][   T10]      inet6_addr_add+0x12f/0xa40
[ 6593.401999][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.401999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.401999][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.401999][   T10]      netlink_unicast+0x449/0x710
[ 6593.401999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.401999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.401999][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.401999][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.401999][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.401999][   T10] 
[ 6593.404128][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.404128][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6593.404128][   T10]      ipv6_find_idev+0x102/0x170
[ 6593.404128][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6593.404128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.404128][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.404128][   T10]      netlink_unicast+0x449/0x710
[ 6593.404128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.404128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.404128][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.404128][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.404128][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.404128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.404128][   T10] 
[ 6593.405843][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6593.405843][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6593.405843][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6593.405843][   T10]      ipv6_find_idev+0x102/0x170
[ 6593.405843][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6593.405843][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.405843][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.405843][   T10]      netlink_unicast+0x449/0x710
[ 6593.405843][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.405843][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.405843][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.405843][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.405843][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.405843][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.405843][   T10] 
[ 6593.407628][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6593.407871][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6593.407871][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.407871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.407871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.407871][   T10]      ip6_route_add+0x1c/0x140
[ 6593.407871][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6593.407871][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6593.407871][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.407871][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.407871][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.407871][   T10]      netlink_unicast+0x449/0x710
[ 6593.407871][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.407871][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.407871][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.407871][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.407871][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.407871][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.407871][   T10] 
[ 6593.410022][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6593.410022][   T10]      netdev_get_by_index+0x5e/0x80
[ 6593.410022][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6593.410022][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6593.410022][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6593.410022][   T10]      ipv6_add_addr+0x411/0x2000
[ 6593.410022][   T10]      inet6_addr_add+0x30e/0xa40
[ 6593.410022][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6593.410022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.410022][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.410022][   T10]      netlink_unicast+0x449/0x710
[ 6593.410022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.410022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.410022][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.410022][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.410022][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.410022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.410022][   T10] 
[ 6593.412167][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6593.412167][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6593.412167][   T10]      ipv6_find_idev+0x102/0x170
[ 6593.412167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6593.412167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.412167][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.412167][   T10]      netlink_unicast+0x449/0x710
[ 6593.412167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.412167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.412167][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.412167][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.412167][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.412167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.412167][   T10] 
[ 6593.413890][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6593.413890][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6593.413890][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6593.413890][   T10]      ipv6_find_idev+0x102/0x170
[ 6593.413890][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6593.413890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6593.413890][   T10]      netlink_rcv_skb+0x130/0x360
[ 6593.413890][   T10]      netlink_unicast+0x449/0x710
[ 6593.413890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6593.413890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6593.413890][   T10]      ___sys_sendmsg+0xee/0x170
[ 6593.413890][   T10]      __sys_sendmsg+0xcd/0x170
[ 6593.413890][   T10]      do_syscall_64+0xc6/0x1e0
[ 6593.413890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6593.413890][   T10] 
[ 6603.664722][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6603.665103][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.665103][   T10]      dst_init+0x84/0x4a0
[ 6603.665103][   T10]      dst_alloc+0x97/0x150
[ 6603.665103][   T10]      ip6_dst_alloc+0x23/0x90
[ 6603.665103][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6603.665103][   T10]      ip6_pol_route+0x56f/0x840
[ 6603.665103][   T10]      fib6_rule_lookup+0x456/0x630
[ 6603.665103][   T10]      ip6_route_input+0x59c/0xa50
[ 6603.665103][   T10]      ipv6_rcv+0x397/0x810
[ 6603.665103][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6603.665103][   T10]      process_backlog+0x101/0x620
[ 6603.665103][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6603.665103][   T10]      net_rx_action+0x495/0xbe0
[ 6603.665103][   T10]      __do_softirq+0x1b5/0x7f6
[ 6603.665103][   T10] 
[ 6603.666773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.666773][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6603.666773][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6603.666773][   T10]      fib6_nh_init+0xa22/0x1580
[ 6603.666773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.666773][   T10]      ip6_route_add+0x1c/0x140
[ 6603.666773][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6603.666773][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.666773][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.666773][   T10]      netlink_unicast+0x449/0x710
[ 6603.666773][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.666773][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.666773][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.666773][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.666773][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.666773][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.666773][   T10] 
[ 6603.668664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.668664][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.668664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.668664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.668664][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6603.668664][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6603.668664][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6603.668664][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6603.668664][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6603.668664][   T10]      addrconf_dad_begin+0x310/0x670
[ 6603.668664][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6603.668664][   T10]      process_one_work+0x84d/0x18a0
[ 6603.668664][   T10]      worker_thread+0x587/0xd30
[ 6603.668664][   T10]      kthread+0x28a/0x350
[ 6603.668664][   T10]      ret_from_fork+0x31/0x70
[ 6603.668664][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6603.668664][   T10] 
[ 6603.670611][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.670611][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.670611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.670611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.670611][   T10]      ip6_route_add+0x1c/0x140
[ 6603.670611][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6603.670611][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6603.670611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.670611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.670611][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.670611][   T10]      netlink_unicast+0x449/0x710
[ 6603.670611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.670611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.670611][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.670611][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.670611][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.670611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.670611][   T10] 
[ 6603.672629][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.672629][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.672629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.672629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.672629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6603.672629][   T10]      ipv6_add_addr+0x411/0x2000
[ 6603.672629][   T10]      inet6_addr_add+0x30e/0xa40
[ 6603.672629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.672629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.672629][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.672629][   T10]      netlink_unicast+0x449/0x710
[ 6603.672629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.672629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.672629][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.672629][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.672629][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.672629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.672629][   T10] 
[ 6603.674640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.674640][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.674640][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.674640][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.674640][   T10]      ip6_route_add+0x1c/0x140
[ 6603.674640][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6603.674640][   T10]      addrconf_add_dev+0xe2/0x170
[ 6603.674640][   T10]      inet6_addr_add+0x12f/0xa40
[ 6603.674640][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.674640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.674640][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.674640][   T10]      netlink_unicast+0x449/0x710
[ 6603.674640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.674640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.674640][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.674640][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.674640][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.674640][   T10] 
[ 6603.676640][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.676640][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6603.676640][   T10]      ipv6_find_idev+0x102/0x170
[ 6603.676640][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6603.676640][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.676640][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.676640][   T10]      netlink_unicast+0x449/0x710
[ 6603.676640][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.676640][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.676640][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.676640][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.676640][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.676640][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.676640][   T10] 
[ 6603.678175][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6603.678175][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6603.678175][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6603.678175][   T10]      ipv6_find_idev+0x102/0x170
[ 6603.678175][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6603.678175][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.678175][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.678175][   T10]      netlink_unicast+0x449/0x710
[ 6603.678175][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.678175][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.678175][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.678175][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.678175][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.678175][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.678175][   T10] 
[ 6603.679870][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6603.680108][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.680108][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6603.680108][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6603.680108][   T10]      fib6_nh_init+0xa22/0x1580
[ 6603.680108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.680108][   T10]      ip6_route_add+0x1c/0x140
[ 6603.680108][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6603.680108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.680108][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.680108][   T10]      netlink_unicast+0x449/0x710
[ 6603.680108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.680108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.680108][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.680108][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.680108][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.680108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.680108][   T10] 
[ 6603.682008][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.682008][   T10]      dst_init+0x84/0x4a0
[ 6603.682008][   T10]      dst_alloc+0x97/0x150
[ 6603.682008][   T10]      ip6_dst_alloc+0x23/0x90
[ 6603.682008][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6603.682008][   T10]      ip6_pol_route+0x56f/0x840
[ 6603.682008][   T10]      fib6_rule_lookup+0x456/0x630
[ 6603.682008][   T10]      ip6_route_input+0x59c/0xa50
[ 6603.682008][   T10]      ipv6_rcv+0x397/0x810
[ 6603.682008][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6603.682008][   T10]      process_backlog+0x101/0x620
[ 6603.682008][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6603.682008][   T10]      net_rx_action+0x495/0xbe0
[ 6603.682008][   T10]      __do_softirq+0x1b5/0x7f6
[ 6603.682008][   T10] 
[ 6603.683646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.683646][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.683646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.683646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.683646][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6603.683646][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6603.683646][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6603.683646][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6603.683646][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6603.683646][   T10]      addrconf_dad_begin+0x310/0x670
[ 6603.683646][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6603.683646][   T10]      process_one_work+0x84d/0x18a0
[ 6603.683646][   T10]      worker_thread+0x587/0xd30
[ 6603.683646][   T10]      kthread+0x28a/0x350
[ 6603.683646][   T10]      ret_from_fork+0x31/0x70
[ 6603.683646][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6603.683646][   T10] 
[ 6603.685558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.685558][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.685558][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.685558][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.685558][   T10]      ip6_route_add+0x1c/0x140
[ 6603.685558][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6603.685558][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6603.685558][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.685558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.685558][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.685558][   T10]      netlink_unicast+0x449/0x710
[ 6603.685558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.685558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.685558][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.685558][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.685558][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.685558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.685558][   T10] 
[ 6603.687557][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.687557][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.687557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.687557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.687557][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6603.687557][   T10]      ipv6_add_addr+0x411/0x2000
[ 6603.687557][   T10]      inet6_addr_add+0x30e/0xa40
[ 6603.687557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.687557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.687557][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.687557][   T10]      netlink_unicast+0x449/0x710
[ 6603.687557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.687557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.687557][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.687557][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.687557][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.687557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.687557][   T10] 
[ 6603.689565][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.689565][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.689565][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.689565][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.689565][   T10]      ip6_route_add+0x1c/0x140
[ 6603.689565][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6603.689565][   T10]      addrconf_add_dev+0xe2/0x170
[ 6603.689565][   T10]      inet6_addr_add+0x12f/0xa40
[ 6603.689565][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.689565][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.689565][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.689565][   T10]      netlink_unicast+0x449/0x710
[ 6603.689565][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.689565][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.689565][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.689565][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.689565][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.689565][   T10] 
[ 6603.691716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.691716][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6603.691716][   T10]      ipv6_find_idev+0x102/0x170
[ 6603.691716][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6603.691716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.691716][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.691716][   T10]      netlink_unicast+0x449/0x710
[ 6603.691716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.691716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.691716][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.691716][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.691716][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.691716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.691716][   T10] 
[ 6603.693439][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6603.693439][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6603.693439][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6603.693439][   T10]      ipv6_find_idev+0x102/0x170
[ 6603.693439][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6603.693439][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.693439][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.693439][   T10]      netlink_unicast+0x449/0x710
[ 6603.693439][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.693439][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.693439][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.693439][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.693439][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.693439][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.693439][   T10] 
[ 6603.695383][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6603.695624][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6603.695624][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.695624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.695624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.695624][   T10]      ip6_route_add+0x1c/0x140
[ 6603.695624][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6603.695624][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6603.695624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.695624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.695624][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.695624][   T10]      netlink_unicast+0x449/0x710
[ 6603.695624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.695624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.695624][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.695624][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.695624][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.695624][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.695624][   T10] 
[ 6603.697861][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6603.697861][   T10]      netdev_get_by_index+0x5e/0x80
[ 6603.697861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6603.697861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6603.697861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6603.697861][   T10]      ipv6_add_addr+0x411/0x2000
[ 6603.697861][   T10]      inet6_addr_add+0x30e/0xa40
[ 6603.697861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6603.697861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.697861][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.697861][   T10]      netlink_unicast+0x449/0x710
[ 6603.697861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.697861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.697861][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.697861][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.697861][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.697861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.697861][   T10] 
[ 6603.700045][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6603.700045][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6603.700045][   T10]      ipv6_find_idev+0x102/0x170
[ 6603.700045][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6603.700045][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.700045][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.700045][   T10]      netlink_unicast+0x449/0x710
[ 6603.700045][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.700045][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.700045][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.700045][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.700045][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.700045][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.700045][   T10] 
[ 6603.701768][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6603.701768][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6603.701768][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6603.701768][   T10]      ipv6_find_idev+0x102/0x170
[ 6603.701768][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6603.701768][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6603.701768][   T10]      netlink_rcv_skb+0x130/0x360
[ 6603.701768][   T10]      netlink_unicast+0x449/0x710
[ 6603.701768][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6603.701768][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6603.701768][   T10]      ___sys_sendmsg+0xee/0x170
[ 6603.701768][   T10]      __sys_sendmsg+0xcd/0x170
[ 6603.701768][   T10]      do_syscall_64+0xc6/0x1e0
[ 6603.701768][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6603.701768][   T10] 
[ 6613.944769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6613.945586][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.945586][   T10]      dst_init+0x84/0x4a0
[ 6613.945586][   T10]      dst_alloc+0x97/0x150
[ 6613.945586][   T10]      ip6_dst_alloc+0x23/0x90
[ 6613.945586][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6613.945586][   T10]      ip6_pol_route+0x56f/0x840
[ 6613.945586][   T10]      fib6_rule_lookup+0x456/0x630
[ 6613.945586][   T10]      ip6_route_input+0x59c/0xa50
[ 6613.945586][   T10]      ipv6_rcv+0x397/0x810
[ 6613.945586][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6613.945586][   T10]      process_backlog+0x101/0x620
[ 6613.945586][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6613.945586][   T10]      net_rx_action+0x495/0xbe0
[ 6613.945586][   T10]      __do_softirq+0x1b5/0x7f6
[ 6613.945586][   T10] 
[ 6613.947217][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.947217][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6613.947217][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6613.947217][   T10]      fib6_nh_init+0xa22/0x1580
[ 6613.947217][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.947217][   T10]      ip6_route_add+0x1c/0x140
[ 6613.947217][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6613.947217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.947217][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.947217][   T10]      netlink_unicast+0x449/0x710
[ 6613.947217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.947217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.947217][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.947217][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.947217][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.947217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.947217][   T10] 
[ 6613.949066][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.949066][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.949066][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.949066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.949066][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6613.949066][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6613.949066][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6613.949066][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6613.949066][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6613.949066][   T10]      addrconf_dad_begin+0x310/0x670
[ 6613.949066][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6613.949066][   T10]      process_one_work+0x84d/0x18a0
[ 6613.949066][   T10]      worker_thread+0x587/0xd30
[ 6613.949066][   T10]      kthread+0x28a/0x350
[ 6613.949066][   T10]      ret_from_fork+0x31/0x70
[ 6613.949066][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6613.949066][   T10] 
[ 6613.950987][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.950987][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.950987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.950987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.950987][   T10]      ip6_route_add+0x1c/0x140
[ 6613.950987][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6613.950987][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6613.950987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.950987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.950987][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.950987][   T10]      netlink_unicast+0x449/0x710
[ 6613.950987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.950987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.950987][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.950987][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.950987][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.950987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.950987][   T10] 
[ 6613.953009][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.953009][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.953009][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.953009][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.953009][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6613.953009][   T10]      ipv6_add_addr+0x411/0x2000
[ 6613.953009][   T10]      inet6_addr_add+0x30e/0xa40
[ 6613.953009][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.953009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.953009][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.953009][   T10]      netlink_unicast+0x449/0x710
[ 6613.953009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.953009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.953009][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.953009][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.953009][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.953009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.953009][   T10] 
[ 6613.955013][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.955013][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.955013][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.955013][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.955013][   T10]      ip6_route_add+0x1c/0x140
[ 6613.955013][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6613.955013][   T10]      addrconf_add_dev+0xe2/0x170
[ 6613.955013][   T10]      inet6_addr_add+0x12f/0xa40
[ 6613.955013][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.955013][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.955013][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.955013][   T10]      netlink_unicast+0x449/0x710
[ 6613.955013][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.955013][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.955013][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.955013][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.955013][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.955013][   T10] 
[ 6613.956987][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.956987][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6613.956987][   T10]      ipv6_find_idev+0x102/0x170
[ 6613.956987][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6613.956987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.956987][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.956987][   T10]      netlink_unicast+0x449/0x710
[ 6613.956987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.956987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.956987][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.956987][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.956987][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.956987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.956987][   T10] 
[ 6613.958504][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6613.958504][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6613.958504][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6613.958504][   T10]      ipv6_find_idev+0x102/0x170
[ 6613.958504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6613.958504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.958504][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.958504][   T10]      netlink_unicast+0x449/0x710
[ 6613.958504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.958504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.958504][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.958504][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.958504][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.958504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.958504][   T10] 
[ 6613.960215][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6613.960474][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.960474][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6613.960474][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6613.960474][   T10]      fib6_nh_init+0xa22/0x1580
[ 6613.960474][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.960474][   T10]      ip6_route_add+0x1c/0x140
[ 6613.960474][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6613.960474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.960474][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.960474][   T10]      netlink_unicast+0x449/0x710
[ 6613.960474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.960474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.960474][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.960474][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.960474][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.960474][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.960474][   T10] 
[ 6613.962360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.962360][   T10]      dst_init+0x84/0x4a0
[ 6613.962360][   T10]      dst_alloc+0x97/0x150
[ 6613.962360][   T10]      ip6_dst_alloc+0x23/0x90
[ 6613.962360][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6613.962360][   T10]      ip6_pol_route+0x56f/0x840
[ 6613.962360][   T10]      fib6_rule_lookup+0x456/0x630
[ 6613.962360][   T10]      ip6_route_input+0x59c/0xa50
[ 6613.962360][   T10]      ipv6_rcv+0x397/0x810
[ 6613.962360][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6613.962360][   T10]      process_backlog+0x101/0x620
[ 6613.962360][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6613.962360][   T10]      net_rx_action+0x495/0xbe0
[ 6613.962360][   T10]      __do_softirq+0x1b5/0x7f6
[ 6613.962360][   T10] 
[ 6613.964006][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.964006][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.964006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.964006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.964006][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6613.964006][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6613.964006][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6613.964006][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6613.964006][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6613.964006][   T10]      addrconf_dad_begin+0x310/0x670
[ 6613.964006][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6613.964006][   T10]      process_one_work+0x84d/0x18a0
[ 6613.964006][   T10]      worker_thread+0x587/0xd30
[ 6613.964006][   T10]      kthread+0x28a/0x350
[ 6613.964006][   T10]      ret_from_fork+0x31/0x70
[ 6613.964006][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6613.964006][   T10] 
[ 6613.965936][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.965936][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.965936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.965936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.965936][   T10]      ip6_route_add+0x1c/0x140
[ 6613.965936][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6613.965936][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6613.965936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.965936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.965936][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.965936][   T10]      netlink_unicast+0x449/0x710
[ 6613.965936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.965936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.965936][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.965936][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.965936][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.965936][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.965936][   T10] 
[ 6613.967938][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.967938][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.967938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.967938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.967938][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6613.967938][   T10]      ipv6_add_addr+0x411/0x2000
[ 6613.967938][   T10]      inet6_addr_add+0x30e/0xa40
[ 6613.967938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.967938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.967938][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.967938][   T10]      netlink_unicast+0x449/0x710
[ 6613.967938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.967938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.967938][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.967938][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.967938][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.967938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.967938][   T10] 
[ 6613.969946][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.969946][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.969946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.969946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.969946][   T10]      ip6_route_add+0x1c/0x140
[ 6613.969946][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6613.969946][   T10]      addrconf_add_dev+0xe2/0x170
[ 6613.969946][   T10]      inet6_addr_add+0x12f/0xa40
[ 6613.969946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.969946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.969946][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.969946][   T10]      netlink_unicast+0x449/0x710
[ 6613.969946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.969946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.969946][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.969946][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.969946][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.969946][   T10] 
[ 6613.972038][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.972038][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6613.972038][   T10]      ipv6_find_idev+0x102/0x170
[ 6613.972038][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6613.972038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.972038][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.972038][   T10]      netlink_unicast+0x449/0x710
[ 6613.972038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.972038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.972038][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.972038][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.972038][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.972038][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.972038][   T10] 
[ 6613.973833][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6613.973833][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6613.973833][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6613.973833][   T10]      ipv6_find_idev+0x102/0x170
[ 6613.973833][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6613.973833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.973833][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.973833][   T10]      netlink_unicast+0x449/0x710
[ 6613.973833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.973833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.973833][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.973833][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.973833][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.973833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.973833][   T10] 
[ 6613.975709][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6613.976015][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6613.976015][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.976015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.976015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.976015][   T10]      ip6_route_add+0x1c/0x140
[ 6613.976015][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6613.976015][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6613.976015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.976015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.976015][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.976015][   T10]      netlink_unicast+0x449/0x710
[ 6613.976015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.976015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.976015][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.976015][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.976015][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.976015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.976015][   T10] 
[ 6613.978273][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6613.978273][   T10]      netdev_get_by_index+0x5e/0x80
[ 6613.978273][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6613.978273][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6613.978273][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6613.978273][   T10]      ipv6_add_addr+0x411/0x2000
[ 6613.978273][   T10]      inet6_addr_add+0x30e/0xa40
[ 6613.978273][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6613.978273][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.978273][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.978273][   T10]      netlink_unicast+0x449/0x710
[ 6613.978273][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.978273][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.978273][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.978273][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.978273][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.978273][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.978273][   T10] 
[ 6613.980344][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6613.980344][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6613.980344][   T10]      ipv6_find_idev+0x102/0x170
[ 6613.980344][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6613.980344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.980344][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.980344][   T10]      netlink_unicast+0x449/0x710
[ 6613.980344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.980344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.980344][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.980344][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.980344][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.980344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.980344][   T10] 
[ 6613.982065][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6613.982065][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6613.982065][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6613.982065][   T10]      ipv6_find_idev+0x102/0x170
[ 6613.982065][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6613.982065][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6613.982065][   T10]      netlink_rcv_skb+0x130/0x360
[ 6613.982065][   T10]      netlink_unicast+0x449/0x710
[ 6613.982065][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6613.982065][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6613.982065][   T10]      ___sys_sendmsg+0xee/0x170
[ 6613.982065][   T10]      __sys_sendmsg+0xcd/0x170
[ 6613.982065][   T10]      do_syscall_64+0xc6/0x1e0
[ 6613.982065][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6613.982065][   T10] 
[ 6624.224705][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6624.225145][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.225145][   T10]      dst_init+0x84/0x4a0
[ 6624.225145][   T10]      dst_alloc+0x97/0x150
[ 6624.225145][   T10]      ip6_dst_alloc+0x23/0x90
[ 6624.225145][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6624.225145][   T10]      ip6_pol_route+0x56f/0x840
[ 6624.225145][   T10]      fib6_rule_lookup+0x456/0x630
[ 6624.225145][   T10]      ip6_route_input+0x59c/0xa50
[ 6624.225145][   T10]      ipv6_rcv+0x397/0x810
[ 6624.225145][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6624.225145][   T10]      process_backlog+0x101/0x620
[ 6624.225145][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6624.225145][   T10]      net_rx_action+0x495/0xbe0
[ 6624.225145][   T10]      __do_softirq+0x1b5/0x7f6
[ 6624.225145][   T10] 
[ 6624.226833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.226833][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6624.226833][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6624.226833][   T10]      fib6_nh_init+0xa22/0x1580
[ 6624.226833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.226833][   T10]      ip6_route_add+0x1c/0x140
[ 6624.226833][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6624.226833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.226833][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.226833][   T10]      netlink_unicast+0x449/0x710
[ 6624.226833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.226833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.226833][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.226833][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.226833][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.226833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.226833][   T10] 
[ 6624.228720][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.228720][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.228720][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.228720][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.228720][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6624.228720][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6624.228720][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6624.228720][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6624.228720][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6624.228720][   T10]      addrconf_dad_begin+0x310/0x670
[ 6624.228720][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6624.228720][   T10]      process_one_work+0x84d/0x18a0
[ 6624.228720][   T10]      worker_thread+0x587/0xd30
[ 6624.228720][   T10]      kthread+0x28a/0x350
[ 6624.228720][   T10]      ret_from_fork+0x31/0x70
[ 6624.228720][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6624.228720][   T10] 
[ 6624.230621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.230621][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.230621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.230621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.230621][   T10]      ip6_route_add+0x1c/0x140
[ 6624.230621][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6624.230621][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6624.230621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.230621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.230621][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.230621][   T10]      netlink_unicast+0x449/0x710
[ 6624.230621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.230621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.230621][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.230621][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.230621][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.230621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.230621][   T10] 
[ 6624.232617][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.232617][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.232617][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.232617][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.232617][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6624.232617][   T10]      ipv6_add_addr+0x411/0x2000
[ 6624.232617][   T10]      inet6_addr_add+0x30e/0xa40
[ 6624.232617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.232617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.232617][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.232617][   T10]      netlink_unicast+0x449/0x710
[ 6624.232617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.232617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.232617][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.232617][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.232617][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.232617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.232617][   T10] 
[ 6624.234614][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.234614][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.234614][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.234614][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.234614][   T10]      ip6_route_add+0x1c/0x140
[ 6624.234614][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6624.234614][   T10]      addrconf_add_dev+0xe2/0x170
[ 6624.234614][   T10]      inet6_addr_add+0x12f/0xa40
[ 6624.234614][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.234614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.234614][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.234614][   T10]      netlink_unicast+0x449/0x710
[ 6624.234614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.234614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.234614][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.234614][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.234614][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.234614][   T10] 
[ 6624.236600][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.236600][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6624.236600][   T10]      ipv6_find_idev+0x102/0x170
[ 6624.236600][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6624.236600][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.236600][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.236600][   T10]      netlink_unicast+0x449/0x710
[ 6624.236600][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.236600][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.236600][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.236600][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.236600][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.236600][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.236600][   T10] 
[ 6624.238143][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6624.238143][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6624.238143][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6624.238143][   T10]      ipv6_find_idev+0x102/0x170
[ 6624.238143][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6624.238143][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.238143][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.238143][   T10]      netlink_unicast+0x449/0x710
[ 6624.238143][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.238143][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.238143][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.238143][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.238143][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.238143][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.238143][   T10] 
[ 6624.239844][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6624.240083][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.240083][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6624.240083][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6624.240083][   T10]      fib6_nh_init+0xa22/0x1580
[ 6624.240083][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.240083][   T10]      ip6_route_add+0x1c/0x140
[ 6624.240083][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6624.240083][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.240083][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.240083][   T10]      netlink_unicast+0x449/0x710
[ 6624.240083][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.240083][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.240083][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.240083][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.240083][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.240083][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.240083][   T10] 
[ 6624.241963][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.241963][   T10]      dst_init+0x84/0x4a0
[ 6624.241963][   T10]      dst_alloc+0x97/0x150
[ 6624.241963][   T10]      ip6_dst_alloc+0x23/0x90
[ 6624.241963][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6624.241963][   T10]      ip6_pol_route+0x56f/0x840
[ 6624.241963][   T10]      fib6_rule_lookup+0x456/0x630
[ 6624.241963][   T10]      ip6_route_input+0x59c/0xa50
[ 6624.241963][   T10]      ipv6_rcv+0x397/0x810
[ 6624.241963][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6624.241963][   T10]      process_backlog+0x101/0x620
[ 6624.241963][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6624.241963][   T10]      net_rx_action+0x495/0xbe0
[ 6624.241963][   T10]      __do_softirq+0x1b5/0x7f6
[ 6624.241963][   T10] 
[ 6624.243606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.243606][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.243606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.243606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.243606][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6624.243606][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6624.243606][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6624.243606][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6624.243606][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6624.243606][   T10]      addrconf_dad_begin+0x310/0x670
[ 6624.243606][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6624.243606][   T10]      process_one_work+0x84d/0x18a0
[ 6624.243606][   T10]      worker_thread+0x587/0xd30
[ 6624.243606][   T10]      kthread+0x28a/0x350
[ 6624.243606][   T10]      ret_from_fork+0x31/0x70
[ 6624.243606][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6624.243606][   T10] 
[ 6624.245522][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.245522][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.245522][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.245522][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.245522][   T10]      ip6_route_add+0x1c/0x140
[ 6624.245522][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6624.245522][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6624.245522][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.245522][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.245522][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.245522][   T10]      netlink_unicast+0x449/0x710
[ 6624.245522][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.245522][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.245522][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.245522][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.245522][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.245522][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.245522][   T10] 
[ 6624.247520][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.247520][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.247520][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.247520][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.247520][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6624.247520][   T10]      ipv6_add_addr+0x411/0x2000
[ 6624.247520][   T10]      inet6_addr_add+0x30e/0xa40
[ 6624.247520][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.247520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.247520][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.247520][   T10]      netlink_unicast+0x449/0x710
[ 6624.247520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.247520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.247520][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.247520][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.247520][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.247520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.247520][   T10] 
[ 6624.249511][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.249511][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.249511][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.249511][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.249511][   T10]      ip6_route_add+0x1c/0x140
[ 6624.249511][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6624.249511][   T10]      addrconf_add_dev+0xe2/0x170
[ 6624.249511][   T10]      inet6_addr_add+0x12f/0xa40
[ 6624.249511][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.249511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.249511][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.249511][   T10]      netlink_unicast+0x449/0x710
[ 6624.249511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.249511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.249511][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.249511][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.249511][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.249511][   T10] 
[ 6624.251594][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.251594][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6624.251594][   T10]      ipv6_find_idev+0x102/0x170
[ 6624.251594][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6624.251594][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.251594][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.251594][   T10]      netlink_unicast+0x449/0x710
[ 6624.251594][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.251594][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.251594][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.251594][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.251594][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.251594][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.251594][   T10] 
[ 6624.253318][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6624.253318][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6624.253318][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6624.253318][   T10]      ipv6_find_idev+0x102/0x170
[ 6624.253318][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6624.253318][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.253318][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.253318][   T10]      netlink_unicast+0x449/0x710
[ 6624.253318][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.253318][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.253318][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.253318][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.253318][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.253318][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.253318][   T10] 
[ 6624.255784][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6624.256094][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6624.256094][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.256094][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.256094][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.256094][   T10]      ip6_route_add+0x1c/0x140
[ 6624.256094][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6624.256094][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6624.256094][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.256094][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.256094][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.256094][   T10]      netlink_unicast+0x449/0x710
[ 6624.256094][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.256094][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.256094][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.256094][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.256094][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.256094][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.256094][   T10] 
[ 6624.258270][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6624.258270][   T10]      netdev_get_by_index+0x5e/0x80
[ 6624.258270][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6624.258270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6624.258270][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6624.258270][   T10]      ipv6_add_addr+0x411/0x2000
[ 6624.258270][   T10]      inet6_addr_add+0x30e/0xa40
[ 6624.258270][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6624.258270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.258270][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.258270][   T10]      netlink_unicast+0x449/0x710
[ 6624.258270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.258270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.258270][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.258270][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.258270][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.258270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.258270][   T10] 
[ 6624.260435][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6624.260435][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6624.260435][   T10]      ipv6_find_idev+0x102/0x170
[ 6624.260435][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6624.260435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.260435][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.260435][   T10]      netlink_unicast+0x449/0x710
[ 6624.260435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.260435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.260435][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.260435][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.260435][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.260435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.260435][   T10] 
[ 6624.262153][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6624.262153][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6624.262153][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6624.262153][   T10]      ipv6_find_idev+0x102/0x170
[ 6624.262153][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6624.262153][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6624.262153][   T10]      netlink_rcv_skb+0x130/0x360
[ 6624.262153][   T10]      netlink_unicast+0x449/0x710
[ 6624.262153][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6624.262153][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6624.262153][   T10]      ___sys_sendmsg+0xee/0x170
[ 6624.262153][   T10]      __sys_sendmsg+0xcd/0x170
[ 6624.262153][   T10]      do_syscall_64+0xc6/0x1e0
[ 6624.262153][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6624.262153][   T10] 
[ 6634.504712][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6634.505113][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.505113][   T10]      dst_init+0x84/0x4a0
[ 6634.505113][   T10]      dst_alloc+0x97/0x150
[ 6634.505113][   T10]      ip6_dst_alloc+0x23/0x90
[ 6634.505113][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6634.505113][   T10]      ip6_pol_route+0x56f/0x840
[ 6634.505113][   T10]      fib6_rule_lookup+0x456/0x630
[ 6634.505113][   T10]      ip6_route_input+0x59c/0xa50
[ 6634.505113][   T10]      ipv6_rcv+0x397/0x810
[ 6634.505113][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6634.505113][   T10]      process_backlog+0x101/0x620
[ 6634.505113][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6634.505113][   T10]      net_rx_action+0x495/0xbe0
[ 6634.505113][   T10]      __do_softirq+0x1b5/0x7f6
[ 6634.505113][   T10] 
[ 6634.506807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.506807][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6634.506807][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6634.506807][   T10]      fib6_nh_init+0xa22/0x1580
[ 6634.506807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.506807][   T10]      ip6_route_add+0x1c/0x140
[ 6634.506807][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6634.506807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.506807][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.506807][   T10]      netlink_unicast+0x449/0x710
[ 6634.506807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.506807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.506807][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.506807][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.506807][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.506807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.506807][   T10] 
[ 6634.508700][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.508700][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.508700][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.508700][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.508700][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6634.508700][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6634.508700][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6634.508700][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6634.508700][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6634.508700][   T10]      addrconf_dad_begin+0x310/0x670
[ 6634.508700][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6634.508700][   T10]      process_one_work+0x84d/0x18a0
[ 6634.508700][   T10]      worker_thread+0x587/0xd30
[ 6634.508700][   T10]      kthread+0x28a/0x350
[ 6634.508700][   T10]      ret_from_fork+0x31/0x70
[ 6634.508700][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6634.508700][   T10] 
[ 6634.510622][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.510622][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.510622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.510622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.510622][   T10]      ip6_route_add+0x1c/0x140
[ 6634.510622][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6634.510622][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6634.510622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.510622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.510622][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.510622][   T10]      netlink_unicast+0x449/0x710
[ 6634.510622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.510622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.510622][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.510622][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.510622][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.510622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.510622][   T10] 
[ 6634.512619][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.512619][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.512619][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.512619][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.512619][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6634.512619][   T10]      ipv6_add_addr+0x411/0x2000
[ 6634.512619][   T10]      inet6_addr_add+0x30e/0xa40
[ 6634.512619][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.512619][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.512619][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.512619][   T10]      netlink_unicast+0x449/0x710
[ 6634.512619][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.512619][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.512619][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.512619][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.512619][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.512619][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.512619][   T10] 
[ 6634.514620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.514620][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.514620][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.514620][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.514620][   T10]      ip6_route_add+0x1c/0x140
[ 6634.514620][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6634.514620][   T10]      addrconf_add_dev+0xe2/0x170
[ 6634.514620][   T10]      inet6_addr_add+0x12f/0xa40
[ 6634.514620][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.514620][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.514620][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.514620][   T10]      netlink_unicast+0x449/0x710
[ 6634.514620][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.514620][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.514620][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.514620][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.514620][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.514620][   T10] 
[ 6634.516602][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.516602][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6634.516602][   T10]      ipv6_find_idev+0x102/0x170
[ 6634.516602][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6634.516602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.516602][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.516602][   T10]      netlink_unicast+0x449/0x710
[ 6634.516602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.516602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.516602][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.516602][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.516602][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.516602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.516602][   T10] 
[ 6634.518136][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6634.518136][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6634.518136][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6634.518136][   T10]      ipv6_find_idev+0x102/0x170
[ 6634.518136][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6634.518136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.518136][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.518136][   T10]      netlink_unicast+0x449/0x710
[ 6634.518136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.518136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.518136][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.518136][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.518136][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.518136][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.518136][   T10] 
[ 6634.519826][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6634.520078][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.520078][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6634.520078][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6634.520078][   T10]      fib6_nh_init+0xa22/0x1580
[ 6634.520078][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.520078][   T10]      ip6_route_add+0x1c/0x140
[ 6634.520078][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6634.520078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.520078][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.520078][   T10]      netlink_unicast+0x449/0x710
[ 6634.520078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.520078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.520078][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.520078][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.520078][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.520078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.520078][   T10] 
[ 6634.521954][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.521954][   T10]      dst_init+0x84/0x4a0
[ 6634.521954][   T10]      dst_alloc+0x97/0x150
[ 6634.521954][   T10]      ip6_dst_alloc+0x23/0x90
[ 6634.521954][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6634.521954][   T10]      ip6_pol_route+0x56f/0x840
[ 6634.521954][   T10]      fib6_rule_lookup+0x456/0x630
[ 6634.521954][   T10]      ip6_route_input+0x59c/0xa50
[ 6634.521954][   T10]      ipv6_rcv+0x397/0x810
[ 6634.521954][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6634.521954][   T10]      process_backlog+0x101/0x620
[ 6634.521954][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6634.521954][   T10]      net_rx_action+0x495/0xbe0
[ 6634.521954][   T10]      __do_softirq+0x1b5/0x7f6
[ 6634.521954][   T10] 
[ 6634.523611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.523611][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.523611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.523611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.523611][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6634.523611][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6634.523611][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6634.523611][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6634.523611][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6634.523611][   T10]      addrconf_dad_begin+0x310/0x670
[ 6634.523611][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6634.523611][   T10]      process_one_work+0x84d/0x18a0
[ 6634.523611][   T10]      worker_thread+0x587/0xd30
[ 6634.523611][   T10]      kthread+0x28a/0x350
[ 6634.523611][   T10]      ret_from_fork+0x31/0x70
[ 6634.523611][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6634.523611][   T10] 
[ 6634.525554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.525554][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.525554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.525554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.525554][   T10]      ip6_route_add+0x1c/0x140
[ 6634.525554][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6634.525554][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6634.525554][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.525554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.525554][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.525554][   T10]      netlink_unicast+0x449/0x710
[ 6634.525554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.525554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.525554][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.525554][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.525554][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.525554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.525554][   T10] 
[ 6634.527552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.527552][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.527552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.527552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.527552][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6634.527552][   T10]      ipv6_add_addr+0x411/0x2000
[ 6634.527552][   T10]      inet6_addr_add+0x30e/0xa40
[ 6634.527552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.527552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.527552][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.527552][   T10]      netlink_unicast+0x449/0x710
[ 6634.527552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.527552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.527552][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.527552][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.527552][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.527552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.527552][   T10] 
[ 6634.529547][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.529547][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.529547][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.529547][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.529547][   T10]      ip6_route_add+0x1c/0x140
[ 6634.529547][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6634.529547][   T10]      addrconf_add_dev+0xe2/0x170
[ 6634.529547][   T10]      inet6_addr_add+0x12f/0xa40
[ 6634.529547][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.529547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.529547][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.529547][   T10]      netlink_unicast+0x449/0x710
[ 6634.529547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.529547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.529547][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.529547][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.529547][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.529547][   T10] 
[ 6634.531634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.531634][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6634.531634][   T10]      ipv6_find_idev+0x102/0x170
[ 6634.531634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6634.531634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.531634][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.531634][   T10]      netlink_unicast+0x449/0x710
[ 6634.531634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.531634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.531634][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.531634][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.531634][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.531634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.531634][   T10] 
[ 6634.533435][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6634.533435][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6634.533435][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6634.533435][   T10]      ipv6_find_idev+0x102/0x170
[ 6634.533435][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6634.533435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.533435][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.533435][   T10]      netlink_unicast+0x449/0x710
[ 6634.533435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.533435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.533435][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.533435][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.533435][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.533435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.533435][   T10] 
[ 6634.535310][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6634.535621][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6634.535621][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.535621][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.535621][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.535621][   T10]      ip6_route_add+0x1c/0x140
[ 6634.535621][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6634.535621][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6634.535621][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.535621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.535621][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.535621][   T10]      netlink_unicast+0x449/0x710
[ 6634.535621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.535621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.535621][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.535621][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.535621][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.535621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.535621][   T10] 
[ 6634.537804][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6634.537804][   T10]      netdev_get_by_index+0x5e/0x80
[ 6634.537804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6634.537804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6634.537804][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6634.537804][   T10]      ipv6_add_addr+0x411/0x2000
[ 6634.537804][   T10]      inet6_addr_add+0x30e/0xa40
[ 6634.537804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6634.537804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.537804][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.537804][   T10]      netlink_unicast+0x449/0x710
[ 6634.537804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.537804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.537804][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.537804][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.537804][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.537804][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.537804][   T10] 
[ 6634.539930][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6634.539930][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6634.539930][   T10]      ipv6_find_idev+0x102/0x170
[ 6634.539930][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6634.539930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.539930][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.539930][   T10]      netlink_unicast+0x449/0x710
[ 6634.539930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.539930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.539930][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.539930][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.539930][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.539930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.539930][   T10] 
[ 6634.541650][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6634.541650][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6634.541650][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6634.541650][   T10]      ipv6_find_idev+0x102/0x170
[ 6634.541650][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6634.541650][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6634.541650][   T10]      netlink_rcv_skb+0x130/0x360
[ 6634.541650][   T10]      netlink_unicast+0x449/0x710
[ 6634.541650][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6634.541650][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6634.541650][   T10]      ___sys_sendmsg+0xee/0x170
[ 6634.541650][   T10]      __sys_sendmsg+0xcd/0x170
[ 6634.541650][   T10]      do_syscall_64+0xc6/0x1e0
[ 6634.541650][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6634.541650][   T10] 
[ 6644.784753][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6644.785212][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.785212][   T10]      dst_init+0x84/0x4a0
[ 6644.785212][   T10]      dst_alloc+0x97/0x150
[ 6644.785212][   T10]      ip6_dst_alloc+0x23/0x90
[ 6644.785212][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6644.785212][   T10]      ip6_pol_route+0x56f/0x840
[ 6644.785212][   T10]      fib6_rule_lookup+0x456/0x630
[ 6644.785212][   T10]      ip6_route_input+0x59c/0xa50
[ 6644.785212][   T10]      ipv6_rcv+0x397/0x810
[ 6644.785212][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6644.785212][   T10]      process_backlog+0x101/0x620
[ 6644.785212][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6644.785212][   T10]      net_rx_action+0x495/0xbe0
[ 6644.785212][   T10]      __do_softirq+0x1b5/0x7f6
[ 6644.785212][   T10] 
[ 6644.787041][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.787041][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6644.787041][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6644.787041][   T10]      fib6_nh_init+0xa22/0x1580
[ 6644.787041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.787041][   T10]      ip6_route_add+0x1c/0x140
[ 6644.787041][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6644.787041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.787041][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.787041][   T10]      netlink_unicast+0x449/0x710
[ 6644.787041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.787041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.787041][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.787041][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.787041][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.787041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.787041][   T10] 
[ 6644.789113][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.789113][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.789113][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.789113][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.789113][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6644.789113][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6644.789113][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6644.789113][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6644.789113][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6644.789113][   T10]      addrconf_dad_begin+0x310/0x670
[ 6644.789113][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6644.789113][   T10]      process_one_work+0x84d/0x18a0
[ 6644.789113][   T10]      worker_thread+0x587/0xd30
[ 6644.789113][   T10]      kthread+0x28a/0x350
[ 6644.789113][   T10]      ret_from_fork+0x31/0x70
[ 6644.789113][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6644.789113][   T10] 
[ 6644.791219][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.791219][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.791219][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.791219][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.791219][   T10]      ip6_route_add+0x1c/0x140
[ 6644.791219][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6644.791219][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6644.791219][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.791219][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.791219][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.791219][   T10]      netlink_unicast+0x449/0x710
[ 6644.791219][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.791219][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.791219][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.791219][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.791219][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.791219][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.791219][   T10] 
[ 6644.793421][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.793421][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.793421][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.793421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.793421][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6644.793421][   T10]      ipv6_add_addr+0x411/0x2000
[ 6644.793421][   T10]      inet6_addr_add+0x30e/0xa40
[ 6644.793421][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.793421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.793421][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.793421][   T10]      netlink_unicast+0x449/0x710
[ 6644.793421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.793421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.793421][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.793421][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.793421][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.793421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.793421][   T10] 
[ 6644.795624][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.795624][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.795624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.795624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.795624][   T10]      ip6_route_add+0x1c/0x140
[ 6644.795624][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6644.795624][   T10]      addrconf_add_dev+0xe2/0x170
[ 6644.795624][   T10]      inet6_addr_add+0x12f/0xa40
[ 6644.795624][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.795624][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.795624][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.795624][   T10]      netlink_unicast+0x449/0x710
[ 6644.795624][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.795624][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.795624][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.795624][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.795624][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.795624][   T10] 
[ 6644.797783][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.797783][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6644.797783][   T10]      ipv6_find_idev+0x102/0x170
[ 6644.797783][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6644.797783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.797783][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.797783][   T10]      netlink_unicast+0x449/0x710
[ 6644.797783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.797783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.797783][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.797783][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.797783][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.797783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.797783][   T10] 
[ 6644.799471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6644.799471][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6644.799471][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6644.799471][   T10]      ipv6_find_idev+0x102/0x170
[ 6644.799471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6644.799471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.799471][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.799471][   T10]      netlink_unicast+0x449/0x710
[ 6644.799471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.799471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.799471][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.799471][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.799471][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.799471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.799471][   T10] 
[ 6644.801342][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6644.801611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.801611][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6644.801611][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6644.801611][   T10]      fib6_nh_init+0xa22/0x1580
[ 6644.801611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.801611][   T10]      ip6_route_add+0x1c/0x140
[ 6644.801611][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6644.801611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.801611][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.801611][   T10]      netlink_unicast+0x449/0x710
[ 6644.801611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.801611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.801611][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.801611][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.801611][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.801611][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.801611][   T10] 
[ 6644.803678][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.803678][   T10]      dst_init+0x84/0x4a0
[ 6644.803678][   T10]      dst_alloc+0x97/0x150
[ 6644.803678][   T10]      ip6_dst_alloc+0x23/0x90
[ 6644.803678][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6644.803678][   T10]      ip6_pol_route+0x56f/0x840
[ 6644.803678][   T10]      fib6_rule_lookup+0x456/0x630
[ 6644.803678][   T10]      ip6_route_input+0x59c/0xa50
[ 6644.803678][   T10]      ipv6_rcv+0x397/0x810
[ 6644.803678][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6644.803678][   T10]      process_backlog+0x101/0x620
[ 6644.803678][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6644.803678][   T10]      net_rx_action+0x495/0xbe0
[ 6644.803678][   T10]      __do_softirq+0x1b5/0x7f6
[ 6644.803678][   T10] 
[ 6644.805467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.805467][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.805467][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.805467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.805467][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6644.805467][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6644.805467][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6644.805467][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6644.805467][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6644.805467][   T10]      addrconf_dad_begin+0x310/0x670
[ 6644.805467][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6644.805467][   T10]      process_one_work+0x84d/0x18a0
[ 6644.805467][   T10]      worker_thread+0x587/0xd30
[ 6644.805467][   T10]      kthread+0x28a/0x350
[ 6644.805467][   T10]      ret_from_fork+0x31/0x70
[ 6644.805467][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6644.805467][   T10] 
[ 6644.807521][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.807521][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.807521][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.807521][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.807521][   T10]      ip6_route_add+0x1c/0x140
[ 6644.807521][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6644.807521][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6644.807521][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.807521][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.807521][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.807521][   T10]      netlink_unicast+0x449/0x710
[ 6644.807521][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.807521][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.807521][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.807521][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.807521][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.807521][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.807521][   T10] 
[ 6644.809676][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.809676][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.809676][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.809676][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.809676][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6644.809676][   T10]      ipv6_add_addr+0x411/0x2000
[ 6644.809676][   T10]      inet6_addr_add+0x30e/0xa40
[ 6644.809676][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.809676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.809676][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.809676][   T10]      netlink_unicast+0x449/0x710
[ 6644.809676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.809676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.809676][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.809676][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.809676][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.809676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.809676][   T10] 
[ 6644.811877][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.811877][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.811877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.811877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.811877][   T10]      ip6_route_add+0x1c/0x140
[ 6644.811877][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6644.811877][   T10]      addrconf_add_dev+0xe2/0x170
[ 6644.811877][   T10]      inet6_addr_add+0x12f/0xa40
[ 6644.811877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.811877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.811877][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.811877][   T10]      netlink_unicast+0x449/0x710
[ 6644.811877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.811877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.811877][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.811877][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.811877][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.811877][   T10] 
[ 6644.814157][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.814157][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6644.814157][   T10]      ipv6_find_idev+0x102/0x170
[ 6644.814157][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6644.814157][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.814157][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.814157][   T10]      netlink_unicast+0x449/0x710
[ 6644.814157][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.814157][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.814157][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.814157][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.814157][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.814157][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.814157][   T10] 
[ 6644.816029][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6644.816029][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6644.816029][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6644.816029][   T10]      ipv6_find_idev+0x102/0x170
[ 6644.816029][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6644.816029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.816029][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.816029][   T10]      netlink_unicast+0x449/0x710
[ 6644.816029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.816029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.816029][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.816029][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.816029][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.816029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.816029][   T10] 
[ 6644.818126][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6644.818446][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6644.818446][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.818446][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.818446][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.818446][   T10]      ip6_route_add+0x1c/0x140
[ 6644.818446][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6644.818446][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6644.818446][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.818446][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.818446][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.818446][   T10]      netlink_unicast+0x449/0x710
[ 6644.818446][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.818446][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.818446][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.818446][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.818446][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.818446][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.818446][   T10] 
[ 6644.820821][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6644.820821][   T10]      netdev_get_by_index+0x5e/0x80
[ 6644.820821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6644.820821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6644.820821][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6644.820821][   T10]      ipv6_add_addr+0x411/0x2000
[ 6644.820821][   T10]      inet6_addr_add+0x30e/0xa40
[ 6644.820821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6644.820821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.820821][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.820821][   T10]      netlink_unicast+0x449/0x710
[ 6644.820821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.820821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.820821][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.820821][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.820821][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.820821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.820821][   T10] 
[ 6644.823204][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6644.823204][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6644.823204][   T10]      ipv6_find_idev+0x102/0x170
[ 6644.823204][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6644.823204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.823204][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.823204][   T10]      netlink_unicast+0x449/0x710
[ 6644.823204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.823204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.823204][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.823204][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.823204][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.823204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.823204][   T10] 
[ 6644.825024][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6644.825024][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6644.825024][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6644.825024][   T10]      ipv6_find_idev+0x102/0x170
[ 6644.825024][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6644.825024][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6644.825024][   T10]      netlink_rcv_skb+0x130/0x360
[ 6644.825024][   T10]      netlink_unicast+0x449/0x710
[ 6644.825024][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6644.825024][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6644.825024][   T10]      ___sys_sendmsg+0xee/0x170
[ 6644.825024][   T10]      __sys_sendmsg+0xcd/0x170
[ 6644.825024][   T10]      do_syscall_64+0xc6/0x1e0
[ 6644.825024][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6644.825024][   T10] 
[ 6655.064711][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6655.065163][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.065163][   T10]      dst_init+0x84/0x4a0
[ 6655.065163][   T10]      dst_alloc+0x97/0x150
[ 6655.065163][   T10]      ip6_dst_alloc+0x23/0x90
[ 6655.065163][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6655.065163][   T10]      ip6_pol_route+0x56f/0x840
[ 6655.065163][   T10]      fib6_rule_lookup+0x456/0x630
[ 6655.065163][   T10]      ip6_route_input+0x59c/0xa50
[ 6655.065163][   T10]      ipv6_rcv+0x397/0x810
[ 6655.065163][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6655.065163][   T10]      process_backlog+0x101/0x620
[ 6655.065163][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6655.065163][   T10]      net_rx_action+0x495/0xbe0
[ 6655.065163][   T10]      __do_softirq+0x1b5/0x7f6
[ 6655.065163][   T10] 
[ 6655.066848][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.066848][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6655.066848][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6655.066848][   T10]      fib6_nh_init+0xa22/0x1580
[ 6655.066848][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.066848][   T10]      ip6_route_add+0x1c/0x140
[ 6655.066848][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6655.066848][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.066848][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.066848][   T10]      netlink_unicast+0x449/0x710
[ 6655.066848][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.066848][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.066848][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.066848][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.066848][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.066848][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.066848][   T10] 
[ 6655.068747][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.068747][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.068747][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.068747][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.068747][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6655.068747][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6655.068747][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6655.068747][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6655.068747][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6655.068747][   T10]      addrconf_dad_begin+0x310/0x670
[ 6655.068747][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6655.068747][   T10]      process_one_work+0x84d/0x18a0
[ 6655.068747][   T10]      worker_thread+0x587/0xd30
[ 6655.068747][   T10]      kthread+0x28a/0x350
[ 6655.068747][   T10]      ret_from_fork+0x31/0x70
[ 6655.068747][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6655.068747][   T10] 
[ 6655.070664][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.070664][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.070664][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.070664][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.070664][   T10]      ip6_route_add+0x1c/0x140
[ 6655.070664][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6655.070664][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6655.070664][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.070664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.070664][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.070664][   T10]      netlink_unicast+0x449/0x710
[ 6655.070664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.070664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.070664][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.070664][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.070664][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.070664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.070664][   T10] 
[ 6655.072661][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.072661][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.072661][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.072661][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.072661][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6655.072661][   T10]      ipv6_add_addr+0x411/0x2000
[ 6655.072661][   T10]      inet6_addr_add+0x30e/0xa40
[ 6655.072661][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.072661][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.072661][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.072661][   T10]      netlink_unicast+0x449/0x710
[ 6655.072661][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.072661][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.072661][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.072661][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.072661][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.072661][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.072661][   T10] 
[ 6655.074656][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.074656][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.074656][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.074656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.074656][   T10]      ip6_route_add+0x1c/0x140
[ 6655.074656][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6655.074656][   T10]      addrconf_add_dev+0xe2/0x170
[ 6655.074656][   T10]      inet6_addr_add+0x12f/0xa40
[ 6655.074656][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.074656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.074656][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.074656][   T10]      netlink_unicast+0x449/0x710
[ 6655.074656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.074656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.074656][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.074656][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.074656][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.074656][   T10] 
[ 6655.076625][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.076625][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6655.076625][   T10]      ipv6_find_idev+0x102/0x170
[ 6655.076625][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6655.076625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.076625][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.076625][   T10]      netlink_unicast+0x449/0x710
[ 6655.076625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.076625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.076625][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.076625][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.076625][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.076625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.076625][   T10] 
[ 6655.078162][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6655.078162][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6655.078162][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6655.078162][   T10]      ipv6_find_idev+0x102/0x170
[ 6655.078162][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6655.078162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.078162][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.078162][   T10]      netlink_unicast+0x449/0x710
[ 6655.078162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.078162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.078162][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.078162][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.078162][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.078162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.078162][   T10] 
[ 6655.079858][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6655.080103][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.080103][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6655.080103][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6655.080103][   T10]      fib6_nh_init+0xa22/0x1580
[ 6655.080103][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.080103][   T10]      ip6_route_add+0x1c/0x140
[ 6655.080103][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6655.080103][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.080103][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.080103][   T10]      netlink_unicast+0x449/0x710
[ 6655.080103][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.080103][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.080103][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.080103][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.080103][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.080103][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.080103][   T10] 
[ 6655.081994][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.081994][   T10]      dst_init+0x84/0x4a0
[ 6655.081994][   T10]      dst_alloc+0x97/0x150
[ 6655.081994][   T10]      ip6_dst_alloc+0x23/0x90
[ 6655.081994][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6655.081994][   T10]      ip6_pol_route+0x56f/0x840
[ 6655.081994][   T10]      fib6_rule_lookup+0x456/0x630
[ 6655.081994][   T10]      ip6_route_input+0x59c/0xa50
[ 6655.081994][   T10]      ipv6_rcv+0x397/0x810
[ 6655.081994][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6655.081994][   T10]      process_backlog+0x101/0x620
[ 6655.081994][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6655.081994][   T10]      net_rx_action+0x495/0xbe0
[ 6655.081994][   T10]      __do_softirq+0x1b5/0x7f6
[ 6655.081994][   T10] 
[ 6655.083631][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.083631][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.083631][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.083631][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.083631][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6655.083631][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6655.083631][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6655.083631][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6655.083631][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6655.083631][   T10]      addrconf_dad_begin+0x310/0x670
[ 6655.083631][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6655.083631][   T10]      process_one_work+0x84d/0x18a0
[ 6655.083631][   T10]      worker_thread+0x587/0xd30
[ 6655.083631][   T10]      kthread+0x28a/0x350
[ 6655.083631][   T10]      ret_from_fork+0x31/0x70
[ 6655.083631][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6655.083631][   T10] 
[ 6655.085540][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.085540][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.085540][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.085540][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.085540][   T10]      ip6_route_add+0x1c/0x140
[ 6655.085540][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6655.085540][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6655.085540][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.085540][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.085540][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.085540][   T10]      netlink_unicast+0x449/0x710
[ 6655.085540][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.085540][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.085540][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.085540][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.085540][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.085540][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.085540][   T10] 
[ 6655.088099][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.088099][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.088099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.088099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.088099][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6655.088099][   T10]      ipv6_add_addr+0x411/0x2000
[ 6655.088099][   T10]      inet6_addr_add+0x30e/0xa40
[ 6655.088099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.088099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.088099][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.088099][   T10]      netlink_unicast+0x449/0x710
[ 6655.088099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.088099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.088099][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.088099][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.088099][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.088099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.088099][   T10] 
[ 6655.090107][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.090107][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.090107][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.090107][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.090107][   T10]      ip6_route_add+0x1c/0x140
[ 6655.090107][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6655.090107][   T10]      addrconf_add_dev+0xe2/0x170
[ 6655.090107][   T10]      inet6_addr_add+0x12f/0xa40
[ 6655.090107][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.090107][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.090107][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.090107][   T10]      netlink_unicast+0x449/0x710
[ 6655.090107][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.090107][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.090107][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.090107][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.090107][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.090107][   T10] 
[ 6655.092198][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.092198][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6655.092198][   T10]      ipv6_find_idev+0x102/0x170
[ 6655.092198][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6655.092198][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.092198][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.092198][   T10]      netlink_unicast+0x449/0x710
[ 6655.092198][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.092198][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.092198][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.092198][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.092198][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.092198][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.092198][   T10] 
[ 6655.093978][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6655.093978][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6655.093978][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6655.093978][   T10]      ipv6_find_idev+0x102/0x170
[ 6655.093978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6655.093978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.093978][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.093978][   T10]      netlink_unicast+0x449/0x710
[ 6655.093978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.093978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.093978][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.093978][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.093978][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.093978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.093978][   T10] 
[ 6655.095854][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6655.096158][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6655.096158][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.096158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.096158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.096158][   T10]      ip6_route_add+0x1c/0x140
[ 6655.096158][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6655.096158][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6655.096158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.096158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.096158][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.096158][   T10]      netlink_unicast+0x449/0x710
[ 6655.096158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.096158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.096158][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.096158][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.096158][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.096158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.096158][   T10] 
[ 6655.098391][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6655.098391][   T10]      netdev_get_by_index+0x5e/0x80
[ 6655.098391][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6655.098391][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6655.098391][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6655.098391][   T10]      ipv6_add_addr+0x411/0x2000
[ 6655.098391][   T10]      inet6_addr_add+0x30e/0xa40
[ 6655.098391][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6655.098391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.098391][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.098391][   T10]      netlink_unicast+0x449/0x710
[ 6655.098391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.098391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.098391][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.098391][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.098391][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.098391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.098391][   T10] 
[ 6655.100575][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6655.100575][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6655.100575][   T10]      ipv6_find_idev+0x102/0x170
[ 6655.100575][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6655.100575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.100575][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.100575][   T10]      netlink_unicast+0x449/0x710
[ 6655.100575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.100575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.100575][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.100575][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.100575][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.100575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.100575][   T10] 
[ 6655.102305][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6655.102305][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6655.102305][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6655.102305][   T10]      ipv6_find_idev+0x102/0x170
[ 6655.102305][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6655.102305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6655.102305][   T10]      netlink_rcv_skb+0x130/0x360
[ 6655.102305][   T10]      netlink_unicast+0x449/0x710
[ 6655.102305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6655.102305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6655.102305][   T10]      ___sys_sendmsg+0xee/0x170
[ 6655.102305][   T10]      __sys_sendmsg+0xcd/0x170
[ 6655.102305][   T10]      do_syscall_64+0xc6/0x1e0
[ 6655.102305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6655.102305][   T10] 
[ 6665.344753][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6665.345539][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.345539][   T10]      dst_init+0x84/0x4a0
[ 6665.345539][   T10]      dst_alloc+0x97/0x150
[ 6665.345539][   T10]      ip6_dst_alloc+0x23/0x90
[ 6665.345539][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6665.345539][   T10]      ip6_pol_route+0x56f/0x840
[ 6665.345539][   T10]      fib6_rule_lookup+0x456/0x630
[ 6665.345539][   T10]      ip6_route_input+0x59c/0xa50
[ 6665.345539][   T10]      ipv6_rcv+0x397/0x810
[ 6665.345539][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6665.345539][   T10]      process_backlog+0x101/0x620
[ 6665.345539][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6665.345539][   T10]      net_rx_action+0x495/0xbe0
[ 6665.345539][   T10]      __do_softirq+0x1b5/0x7f6
[ 6665.345539][   T10] 
[ 6665.347168][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.347168][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6665.347168][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6665.347168][   T10]      fib6_nh_init+0xa22/0x1580
[ 6665.347168][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.347168][   T10]      ip6_route_add+0x1c/0x140
[ 6665.347168][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6665.347168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.347168][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.347168][   T10]      netlink_unicast+0x449/0x710
[ 6665.347168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.347168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.347168][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.347168][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.347168][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.347168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.347168][   T10] 
[ 6665.349015][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.349015][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.349015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.349015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.349015][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6665.349015][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6665.349015][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6665.349015][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6665.349015][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6665.349015][   T10]      addrconf_dad_begin+0x310/0x670
[ 6665.349015][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6665.349015][   T10]      process_one_work+0x84d/0x18a0
[ 6665.349015][   T10]      worker_thread+0x587/0xd30
[ 6665.349015][   T10]      kthread+0x28a/0x350
[ 6665.349015][   T10]      ret_from_fork+0x31/0x70
[ 6665.349015][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6665.349015][   T10] 
[ 6665.350917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.350917][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.350917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.350917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.350917][   T10]      ip6_route_add+0x1c/0x140
[ 6665.350917][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6665.350917][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6665.350917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.350917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.350917][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.350917][   T10]      netlink_unicast+0x449/0x710
[ 6665.350917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.350917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.350917][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.350917][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.350917][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.350917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.350917][   T10] 
[ 6665.352918][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.352918][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.352918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.352918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.352918][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6665.352918][   T10]      ipv6_add_addr+0x411/0x2000
[ 6665.352918][   T10]      inet6_addr_add+0x30e/0xa40
[ 6665.352918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.352918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.352918][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.352918][   T10]      netlink_unicast+0x449/0x710
[ 6665.352918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.352918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.352918][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.352918][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.352918][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.352918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.352918][   T10] 
[ 6665.354868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.354868][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.354868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.354868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.354868][   T10]      ip6_route_add+0x1c/0x140
[ 6665.354868][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6665.354868][   T10]      addrconf_add_dev+0xe2/0x170
[ 6665.354868][   T10]      inet6_addr_add+0x12f/0xa40
[ 6665.354868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.354868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.354868][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.354868][   T10]      netlink_unicast+0x449/0x710
[ 6665.354868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.354868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.354868][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.354868][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.354868][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.354868][   T10] 
[ 6665.356842][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.356842][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6665.356842][   T10]      ipv6_find_idev+0x102/0x170
[ 6665.356842][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6665.356842][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.356842][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.356842][   T10]      netlink_unicast+0x449/0x710
[ 6665.356842][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.356842][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.356842][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.356842][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.356842][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.356842][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.356842][   T10] 
[ 6665.358385][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6665.358385][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6665.358385][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6665.358385][   T10]      ipv6_find_idev+0x102/0x170
[ 6665.358385][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6665.358385][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.358385][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.358385][   T10]      netlink_unicast+0x449/0x710
[ 6665.358385][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.358385][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.358385][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.358385][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.358385][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.358385][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.358385][   T10] 
[ 6665.360061][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6665.360317][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.360317][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6665.360317][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6665.360317][   T10]      fib6_nh_init+0xa22/0x1580
[ 6665.360317][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.360317][   T10]      ip6_route_add+0x1c/0x140
[ 6665.360317][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6665.360317][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.360317][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.360317][   T10]      netlink_unicast+0x449/0x710
[ 6665.360317][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.360317][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.360317][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.360317][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.360317][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.360317][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.360317][   T10] 
[ 6665.362194][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.362194][   T10]      dst_init+0x84/0x4a0
[ 6665.362194][   T10]      dst_alloc+0x97/0x150
[ 6665.362194][   T10]      ip6_dst_alloc+0x23/0x90
[ 6665.362194][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6665.362194][   T10]      ip6_pol_route+0x56f/0x840
[ 6665.362194][   T10]      fib6_rule_lookup+0x456/0x630
[ 6665.362194][   T10]      ip6_route_input+0x59c/0xa50
[ 6665.362194][   T10]      ipv6_rcv+0x397/0x810
[ 6665.362194][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6665.362194][   T10]      process_backlog+0x101/0x620
[ 6665.362194][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6665.362194][   T10]      net_rx_action+0x495/0xbe0
[ 6665.362194][   T10]      __do_softirq+0x1b5/0x7f6
[ 6665.362194][   T10] 
[ 6665.363822][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.363822][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.363822][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.363822][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.363822][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6665.363822][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6665.363822][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6665.363822][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6665.363822][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6665.363822][   T10]      addrconf_dad_begin+0x310/0x670
[ 6665.363822][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6665.363822][   T10]      process_one_work+0x84d/0x18a0
[ 6665.363822][   T10]      worker_thread+0x587/0xd30
[ 6665.363822][   T10]      kthread+0x28a/0x350
[ 6665.363822][   T10]      ret_from_fork+0x31/0x70
[ 6665.363822][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6665.363822][   T10] 
[ 6665.365723][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.365723][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.365723][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.365723][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.365723][   T10]      ip6_route_add+0x1c/0x140
[ 6665.365723][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6665.365723][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6665.365723][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.365723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.365723][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.365723][   T10]      netlink_unicast+0x449/0x710
[ 6665.365723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.365723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.365723][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.365723][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.365723][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.365723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.365723][   T10] 
[ 6665.367738][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.367738][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.367738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.367738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.367738][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6665.367738][   T10]      ipv6_add_addr+0x411/0x2000
[ 6665.367738][   T10]      inet6_addr_add+0x30e/0xa40
[ 6665.367738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.367738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.367738][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.367738][   T10]      netlink_unicast+0x449/0x710
[ 6665.367738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.367738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.367738][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.367738][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.367738][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.367738][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.367738][   T10] 
[ 6665.369725][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.369725][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.369725][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.369725][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.369725][   T10]      ip6_route_add+0x1c/0x140
[ 6665.369725][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6665.369725][   T10]      addrconf_add_dev+0xe2/0x170
[ 6665.369725][   T10]      inet6_addr_add+0x12f/0xa40
[ 6665.369725][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.369725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.369725][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.369725][   T10]      netlink_unicast+0x449/0x710
[ 6665.369725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.369725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.369725][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.369725][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.369725][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.369725][   T10] 
[ 6665.371754][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.371754][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6665.371754][   T10]      ipv6_find_idev+0x102/0x170
[ 6665.371754][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6665.371754][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.371754][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.371754][   T10]      netlink_unicast+0x449/0x710
[ 6665.371754][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.371754][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.371754][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.371754][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.371754][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.371754][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.371754][   T10] 
[ 6665.373509][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6665.373509][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6665.373509][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6665.373509][   T10]      ipv6_find_idev+0x102/0x170
[ 6665.373509][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6665.373509][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.373509][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.373509][   T10]      netlink_unicast+0x449/0x710
[ 6665.373509][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.373509][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.373509][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.373509][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.373509][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.373509][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.373509][   T10] 
[ 6665.375445][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6665.375757][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6665.375757][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.375757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.375757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.375757][   T10]      ip6_route_add+0x1c/0x140
[ 6665.375757][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6665.375757][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6665.375757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.375757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.375757][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.375757][   T10]      netlink_unicast+0x449/0x710
[ 6665.375757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.375757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.375757][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.375757][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.375757][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.375757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.375757][   T10] 
[ 6665.377945][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6665.377945][   T10]      netdev_get_by_index+0x5e/0x80
[ 6665.377945][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6665.377945][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6665.377945][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6665.377945][   T10]      ipv6_add_addr+0x411/0x2000
[ 6665.377945][   T10]      inet6_addr_add+0x30e/0xa40
[ 6665.377945][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6665.377945][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.377945][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.377945][   T10]      netlink_unicast+0x449/0x710
[ 6665.377945][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.377945][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.377945][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.377945][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.377945][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.377945][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.377945][   T10] 
[ 6665.380114][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6665.380114][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6665.380114][   T10]      ipv6_find_idev+0x102/0x170
[ 6665.380114][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6665.380114][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.380114][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.380114][   T10]      netlink_unicast+0x449/0x710
[ 6665.380114][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.380114][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.380114][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.380114][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.380114][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.380114][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.380114][   T10] 
[ 6665.381835][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6665.381835][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6665.381835][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6665.381835][   T10]      ipv6_find_idev+0x102/0x170
[ 6665.381835][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6665.381835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6665.381835][   T10]      netlink_rcv_skb+0x130/0x360
[ 6665.381835][   T10]      netlink_unicast+0x449/0x710
[ 6665.381835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6665.381835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6665.381835][   T10]      ___sys_sendmsg+0xee/0x170
[ 6665.381835][   T10]      __sys_sendmsg+0xcd/0x170
[ 6665.381835][   T10]      do_syscall_64+0xc6/0x1e0
[ 6665.381835][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6665.381835][   T10] 
[ 6675.552773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6675.553608][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.553608][   T10]      dst_init+0x84/0x4a0
[ 6675.553608][   T10]      dst_alloc+0x97/0x150
[ 6675.553608][   T10]      ip6_dst_alloc+0x23/0x90
[ 6675.553608][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6675.553608][   T10]      ip6_pol_route+0x56f/0x840
[ 6675.553608][   T10]      fib6_rule_lookup+0x456/0x630
[ 6675.553608][   T10]      ip6_route_input+0x59c/0xa50
[ 6675.553608][   T10]      ipv6_rcv+0x397/0x810
[ 6675.553608][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6675.553608][   T10]      process_backlog+0x101/0x620
[ 6675.553608][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6675.553608][   T10]      net_rx_action+0x495/0xbe0
[ 6675.553608][   T10]      __do_softirq+0x1b5/0x7f6
[ 6675.553608][   T10] 
[ 6675.555270][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.555270][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6675.555270][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6675.555270][   T10]      fib6_nh_init+0xa22/0x1580
[ 6675.555270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.555270][   T10]      ip6_route_add+0x1c/0x140
[ 6675.555270][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6675.555270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.555270][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.555270][   T10]      netlink_unicast+0x449/0x710
[ 6675.555270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.555270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.555270][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.555270][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.555270][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.555270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.555270][   T10] 
[ 6675.557151][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.557151][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.557151][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.557151][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.557151][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6675.557151][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6675.557151][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6675.557151][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6675.557151][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6675.557151][   T10]      addrconf_dad_begin+0x310/0x670
[ 6675.557151][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6675.557151][   T10]      process_one_work+0x84d/0x18a0
[ 6675.557151][   T10]      worker_thread+0x587/0xd30
[ 6675.557151][   T10]      kthread+0x28a/0x350
[ 6675.557151][   T10]      ret_from_fork+0x31/0x70
[ 6675.557151][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6675.557151][   T10] 
[ 6675.559011][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.559011][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.559011][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.559011][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.559011][   T10]      ip6_route_add+0x1c/0x140
[ 6675.559011][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6675.559011][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6675.559011][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.559011][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.559011][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.559011][   T10]      netlink_unicast+0x449/0x710
[ 6675.559011][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.559011][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.559011][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.559011][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.559011][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.559011][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.559011][   T10] 
[ 6675.560998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.560998][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.560998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.560998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.560998][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6675.560998][   T10]      ipv6_add_addr+0x411/0x2000
[ 6675.560998][   T10]      inet6_addr_add+0x30e/0xa40
[ 6675.560998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.560998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.560998][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.560998][   T10]      netlink_unicast+0x449/0x710
[ 6675.560998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.560998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.560998][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.560998][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.560998][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.560998][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.560998][   T10] 
[ 6675.562972][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.562972][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.562972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.562972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.562972][   T10]      ip6_route_add+0x1c/0x140
[ 6675.562972][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6675.562972][   T10]      addrconf_add_dev+0xe2/0x170
[ 6675.562972][   T10]      inet6_addr_add+0x12f/0xa40
[ 6675.562972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.562972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.562972][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.562972][   T10]      netlink_unicast+0x449/0x710
[ 6675.562972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.562972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.562972][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.562972][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.562972][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.562972][   T10] 
[ 6675.564939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.564939][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6675.564939][   T10]      ipv6_find_idev+0x102/0x170
[ 6675.564939][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6675.564939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.564939][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.564939][   T10]      netlink_unicast+0x449/0x710
[ 6675.564939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.564939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.564939][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.564939][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.564939][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.564939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.564939][   T10] 
[ 6675.566487][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6675.566487][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6675.566487][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6675.566487][   T10]      ipv6_find_idev+0x102/0x170
[ 6675.566487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6675.566487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.566487][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.566487][   T10]      netlink_unicast+0x449/0x710
[ 6675.566487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.566487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.566487][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.566487][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.566487][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.566487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.566487][   T10] 
[ 6675.568175][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6675.568447][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.568447][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6675.568447][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6675.568447][   T10]      fib6_nh_init+0xa22/0x1580
[ 6675.568447][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.568447][   T10]      ip6_route_add+0x1c/0x140
[ 6675.568447][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6675.568447][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.568447][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.568447][   T10]      netlink_unicast+0x449/0x710
[ 6675.568447][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.568447][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.568447][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.568447][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.568447][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.568447][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.568447][   T10] 
[ 6675.570323][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.570323][   T10]      dst_init+0x84/0x4a0
[ 6675.570323][   T10]      dst_alloc+0x97/0x150
[ 6675.570323][   T10]      ip6_dst_alloc+0x23/0x90
[ 6675.570323][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6675.570323][   T10]      ip6_pol_route+0x56f/0x840
[ 6675.570323][   T10]      fib6_rule_lookup+0x456/0x630
[ 6675.570323][   T10]      ip6_route_input+0x59c/0xa50
[ 6675.570323][   T10]      ipv6_rcv+0x397/0x810
[ 6675.570323][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6675.570323][   T10]      process_backlog+0x101/0x620
[ 6675.570323][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6675.570323][   T10]      net_rx_action+0x495/0xbe0
[ 6675.570323][   T10]      __do_softirq+0x1b5/0x7f6
[ 6675.570323][   T10] 
[ 6675.571923][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.571923][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.571923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.571923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.571923][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6675.571923][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6675.571923][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6675.571923][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6675.571923][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6675.571923][   T10]      addrconf_dad_begin+0x310/0x670
[ 6675.571923][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6675.571923][   T10]      process_one_work+0x84d/0x18a0
[ 6675.571923][   T10]      worker_thread+0x587/0xd30
[ 6675.571923][   T10]      kthread+0x28a/0x350
[ 6675.571923][   T10]      ret_from_fork+0x31/0x70
[ 6675.571923][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6675.571923][   T10] 
[ 6675.573821][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.573821][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.573821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.573821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.573821][   T10]      ip6_route_add+0x1c/0x140
[ 6675.573821][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6675.573821][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6675.573821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.573821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.573821][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.573821][   T10]      netlink_unicast+0x449/0x710
[ 6675.573821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.573821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.573821][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.573821][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.573821][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.573821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.573821][   T10] 
[ 6675.575839][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.575839][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.575839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.575839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.575839][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6675.575839][   T10]      ipv6_add_addr+0x411/0x2000
[ 6675.575839][   T10]      inet6_addr_add+0x30e/0xa40
[ 6675.575839][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.575839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.575839][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.575839][   T10]      netlink_unicast+0x449/0x710
[ 6675.575839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.575839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.575839][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.575839][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.575839][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.575839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.575839][   T10] 
[ 6675.577824][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.577824][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.577824][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.577824][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.577824][   T10]      ip6_route_add+0x1c/0x140
[ 6675.577824][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6675.577824][   T10]      addrconf_add_dev+0xe2/0x170
[ 6675.577824][   T10]      inet6_addr_add+0x12f/0xa40
[ 6675.577824][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.577824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.577824][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.577824][   T10]      netlink_unicast+0x449/0x710
[ 6675.577824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.577824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.577824][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.577824][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.577824][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.577824][   T10] 
[ 6675.579894][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.579894][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6675.579894][   T10]      ipv6_find_idev+0x102/0x170
[ 6675.579894][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6675.579894][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.579894][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.579894][   T10]      netlink_unicast+0x449/0x710
[ 6675.579894][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.579894][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.579894][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.579894][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.579894][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.579894][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.579894][   T10] 
[ 6675.581677][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6675.581677][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6675.581677][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6675.581677][   T10]      ipv6_find_idev+0x102/0x170
[ 6675.581677][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6675.581677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.581677][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.581677][   T10]      netlink_unicast+0x449/0x710
[ 6675.581677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.581677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.581677][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.581677][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.581677][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.581677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.581677][   T10] 
[ 6675.583540][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6675.583855][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6675.583855][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.583855][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.583855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.583855][   T10]      ip6_route_add+0x1c/0x140
[ 6675.583855][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6675.583855][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6675.583855][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.583855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.583855][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.583855][   T10]      netlink_unicast+0x449/0x710
[ 6675.583855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.583855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.583855][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.583855][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.583855][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.583855][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.583855][   T10] 
[ 6675.586092][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6675.586092][   T10]      netdev_get_by_index+0x5e/0x80
[ 6675.586092][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6675.586092][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6675.586092][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6675.586092][   T10]      ipv6_add_addr+0x411/0x2000
[ 6675.586092][   T10]      inet6_addr_add+0x30e/0xa40
[ 6675.586092][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6675.586092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.586092][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.586092][   T10]      netlink_unicast+0x449/0x710
[ 6675.586092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.586092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.586092][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.586092][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.586092][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.586092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.586092][   T10] 
[ 6675.588192][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6675.588192][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6675.588192][   T10]      ipv6_find_idev+0x102/0x170
[ 6675.588192][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6675.588192][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.588192][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.588192][   T10]      netlink_unicast+0x449/0x710
[ 6675.588192][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.588192][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.588192][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.588192][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.588192][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.588192][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.588192][   T10] 
[ 6675.589899][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6675.589899][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6675.589899][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6675.589899][   T10]      ipv6_find_idev+0x102/0x170
[ 6675.589899][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6675.589899][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6675.589899][   T10]      netlink_rcv_skb+0x130/0x360
[ 6675.589899][   T10]      netlink_unicast+0x449/0x710
[ 6675.589899][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6675.589899][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6675.589899][   T10]      ___sys_sendmsg+0xee/0x170
[ 6675.589899][   T10]      __sys_sendmsg+0xcd/0x170
[ 6675.589899][   T10]      do_syscall_64+0xc6/0x1e0
[ 6675.589899][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6675.589899][   T10] 
[ 6685.656787][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6685.657334][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.657334][   T10]      dst_init+0x84/0x4a0
[ 6685.657334][   T10]      dst_alloc+0x97/0x150
[ 6685.657334][   T10]      ip6_dst_alloc+0x23/0x90
[ 6685.657334][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6685.657334][   T10]      ip6_pol_route+0x56f/0x840
[ 6685.657334][   T10]      fib6_rule_lookup+0x456/0x630
[ 6685.657334][   T10]      ip6_route_input+0x59c/0xa50
[ 6685.657334][   T10]      ipv6_rcv+0x397/0x810
[ 6685.657334][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6685.657334][   T10]      process_backlog+0x101/0x620
[ 6685.657334][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6685.657334][   T10]      net_rx_action+0x495/0xbe0
[ 6685.657334][   T10]      __do_softirq+0x1b5/0x7f6
[ 6685.657334][   T10] 
[ 6685.658957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.658957][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6685.658957][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6685.658957][   T10]      fib6_nh_init+0xa22/0x1580
[ 6685.658957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.658957][   T10]      ip6_route_add+0x1c/0x140
[ 6685.658957][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6685.658957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.658957][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.658957][   T10]      netlink_unicast+0x449/0x710
[ 6685.658957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.658957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.658957][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.658957][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.658957][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.658957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.658957][   T10] 
[ 6685.660800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.660800][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.660800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.660800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.660800][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6685.660800][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6685.660800][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6685.660800][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6685.660800][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6685.660800][   T10]      addrconf_dad_begin+0x310/0x670
[ 6685.660800][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6685.660800][   T10]      process_one_work+0x84d/0x18a0
[ 6685.660800][   T10]      worker_thread+0x587/0xd30
[ 6685.660800][   T10]      kthread+0x28a/0x350
[ 6685.660800][   T10]      ret_from_fork+0x31/0x70
[ 6685.660800][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6685.660800][   T10] 
[ 6685.662846][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.662846][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.662846][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.662846][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.662846][   T10]      ip6_route_add+0x1c/0x140
[ 6685.662846][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6685.662846][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6685.662846][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.662846][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.662846][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.662846][   T10]      netlink_unicast+0x449/0x710
[ 6685.662846][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.662846][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.662846][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.662846][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.662846][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.662846][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.662846][   T10] 
[ 6685.664833][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.664833][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.664833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.664833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.664833][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6685.664833][   T10]      ipv6_add_addr+0x411/0x2000
[ 6685.664833][   T10]      inet6_addr_add+0x30e/0xa40
[ 6685.664833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.664833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.664833][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.664833][   T10]      netlink_unicast+0x449/0x710
[ 6685.664833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.664833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.664833][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.664833][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.664833][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.664833][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.664833][   T10] 
[ 6685.667434][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.667434][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.667434][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.667434][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.667434][   T10]      ip6_route_add+0x1c/0x140
[ 6685.667434][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6685.667434][   T10]      addrconf_add_dev+0xe2/0x170
[ 6685.667434][   T10]      inet6_addr_add+0x12f/0xa40
[ 6685.667434][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.667434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.667434][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.667434][   T10]      netlink_unicast+0x449/0x710
[ 6685.667434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.667434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.667434][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.667434][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.667434][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.667434][   T10] 
[ 6685.669407][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.669407][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6685.669407][   T10]      ipv6_find_idev+0x102/0x170
[ 6685.669407][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6685.669407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.669407][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.669407][   T10]      netlink_unicast+0x449/0x710
[ 6685.669407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.669407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.669407][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.669407][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.669407][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.669407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.669407][   T10] 
[ 6685.670967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6685.670967][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6685.670967][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6685.670967][   T10]      ipv6_find_idev+0x102/0x170
[ 6685.670967][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6685.670967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.670967][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.670967][   T10]      netlink_unicast+0x449/0x710
[ 6685.670967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.670967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.670967][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.670967][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.670967][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.670967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.670967][   T10] 
[ 6685.672674][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6685.672914][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.672914][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6685.672914][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6685.672914][   T10]      fib6_nh_init+0xa22/0x1580
[ 6685.672914][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.672914][   T10]      ip6_route_add+0x1c/0x140
[ 6685.672914][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6685.672914][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.672914][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.672914][   T10]      netlink_unicast+0x449/0x710
[ 6685.672914][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.672914][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.672914][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.672914][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.672914][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.672914][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.672914][   T10] 
[ 6685.674811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.674811][   T10]      dst_init+0x84/0x4a0
[ 6685.674811][   T10]      dst_alloc+0x97/0x150
[ 6685.674811][   T10]      ip6_dst_alloc+0x23/0x90
[ 6685.674811][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6685.674811][   T10]      ip6_pol_route+0x56f/0x840
[ 6685.674811][   T10]      fib6_rule_lookup+0x456/0x630
[ 6685.674811][   T10]      ip6_route_input+0x59c/0xa50
[ 6685.674811][   T10]      ipv6_rcv+0x397/0x810
[ 6685.674811][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6685.674811][   T10]      process_backlog+0x101/0x620
[ 6685.674811][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6685.674811][   T10]      net_rx_action+0x495/0xbe0
[ 6685.674811][   T10]      __do_softirq+0x1b5/0x7f6
[ 6685.674811][   T10] 
[ 6685.676445][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.676445][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.676445][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.676445][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.676445][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6685.676445][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6685.676445][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6685.676445][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6685.676445][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6685.676445][   T10]      addrconf_dad_begin+0x310/0x670
[ 6685.676445][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6685.676445][   T10]      process_one_work+0x84d/0x18a0
[ 6685.676445][   T10]      worker_thread+0x587/0xd30
[ 6685.676445][   T10]      kthread+0x28a/0x350
[ 6685.676445][   T10]      ret_from_fork+0x31/0x70
[ 6685.676445][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6685.676445][   T10] 
[ 6685.678342][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.678342][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.678342][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.678342][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.678342][   T10]      ip6_route_add+0x1c/0x140
[ 6685.678342][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6685.678342][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6685.678342][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.678342][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.678342][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.678342][   T10]      netlink_unicast+0x449/0x710
[ 6685.678342][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.678342][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.678342][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.678342][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.678342][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.678342][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.678342][   T10] 
[ 6685.680335][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.680335][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.680335][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.680335][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.680335][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6685.680335][   T10]      ipv6_add_addr+0x411/0x2000
[ 6685.680335][   T10]      inet6_addr_add+0x30e/0xa40
[ 6685.680335][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.680335][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.680335][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.680335][   T10]      netlink_unicast+0x449/0x710
[ 6685.680335][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.680335][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.680335][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.680335][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.680335][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.680335][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.680335][   T10] 
[ 6685.682337][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.682337][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.682337][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.682337][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.682337][   T10]      ip6_route_add+0x1c/0x140
[ 6685.682337][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6685.682337][   T10]      addrconf_add_dev+0xe2/0x170
[ 6685.682337][   T10]      inet6_addr_add+0x12f/0xa40
[ 6685.682337][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.682337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.682337][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.682337][   T10]      netlink_unicast+0x449/0x710
[ 6685.682337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.682337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.682337][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.682337][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.682337][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.682337][   T10] 
[ 6685.684424][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.684424][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6685.684424][   T10]      ipv6_find_idev+0x102/0x170
[ 6685.684424][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6685.684424][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.684424][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.684424][   T10]      netlink_unicast+0x449/0x710
[ 6685.684424][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.684424][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.684424][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.684424][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.684424][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.684424][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.684424][   T10] 
[ 6685.686150][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6685.686150][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6685.686150][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6685.686150][   T10]      ipv6_find_idev+0x102/0x170
[ 6685.686150][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6685.686150][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.686150][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.686150][   T10]      netlink_unicast+0x449/0x710
[ 6685.686150][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.686150][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.686150][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.686150][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.686150][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.686150][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.686150][   T10] 
[ 6685.688078][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6685.688389][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6685.688389][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.688389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.688389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.688389][   T10]      ip6_route_add+0x1c/0x140
[ 6685.688389][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6685.688389][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6685.688389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.688389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.688389][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.688389][   T10]      netlink_unicast+0x449/0x710
[ 6685.688389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.688389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.688389][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.688389][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.688389][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.688389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.688389][   T10] 
[ 6685.690570][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6685.690570][   T10]      netdev_get_by_index+0x5e/0x80
[ 6685.690570][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6685.690570][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6685.690570][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6685.690570][   T10]      ipv6_add_addr+0x411/0x2000
[ 6685.690570][   T10]      inet6_addr_add+0x30e/0xa40
[ 6685.690570][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6685.690570][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.690570][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.690570][   T10]      netlink_unicast+0x449/0x710
[ 6685.690570][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.690570][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.690570][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.690570][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.690570][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.690570][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.690570][   T10] 
[ 6685.692689][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6685.692689][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6685.692689][   T10]      ipv6_find_idev+0x102/0x170
[ 6685.692689][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6685.692689][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.692689][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.692689][   T10]      netlink_unicast+0x449/0x710
[ 6685.692689][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.692689][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.692689][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.692689][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.692689][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.692689][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.692689][   T10] 
[ 6685.694411][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6685.694411][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6685.694411][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6685.694411][   T10]      ipv6_find_idev+0x102/0x170
[ 6685.694411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6685.694411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6685.694411][   T10]      netlink_rcv_skb+0x130/0x360
[ 6685.694411][   T10]      netlink_unicast+0x449/0x710
[ 6685.694411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6685.694411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6685.694411][   T10]      ___sys_sendmsg+0xee/0x170
[ 6685.694411][   T10]      __sys_sendmsg+0xcd/0x170
[ 6685.694411][   T10]      do_syscall_64+0xc6/0x1e0
[ 6685.694411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6685.694411][   T10] 
[ 6695.936707][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6695.937160][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.937160][   T10]      dst_init+0x84/0x4a0
[ 6695.937160][   T10]      dst_alloc+0x97/0x150
[ 6695.937160][   T10]      ip6_dst_alloc+0x23/0x90
[ 6695.937160][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6695.937160][   T10]      ip6_pol_route+0x56f/0x840
[ 6695.937160][   T10]      fib6_rule_lookup+0x456/0x630
[ 6695.937160][   T10]      ip6_route_input+0x59c/0xa50
[ 6695.937160][   T10]      ipv6_rcv+0x397/0x810
[ 6695.937160][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6695.937160][   T10]      process_backlog+0x101/0x620
[ 6695.937160][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6695.937160][   T10]      net_rx_action+0x495/0xbe0
[ 6695.937160][   T10]      __do_softirq+0x1b5/0x7f6
[ 6695.937160][   T10] 
[ 6695.938810][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.938810][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6695.938810][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6695.938810][   T10]      fib6_nh_init+0xa22/0x1580
[ 6695.938810][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.938810][   T10]      ip6_route_add+0x1c/0x140
[ 6695.938810][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6695.938810][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.938810][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.938810][   T10]      netlink_unicast+0x449/0x710
[ 6695.938810][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.938810][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.938810][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.938810][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.938810][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.938810][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.938810][   T10] 
[ 6695.940715][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.940715][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.940715][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.940715][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.940715][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6695.940715][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6695.940715][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6695.940715][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6695.940715][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6695.940715][   T10]      addrconf_dad_begin+0x310/0x670
[ 6695.940715][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6695.940715][   T10]      process_one_work+0x84d/0x18a0
[ 6695.940715][   T10]      worker_thread+0x587/0xd30
[ 6695.940715][   T10]      kthread+0x28a/0x350
[ 6695.940715][   T10]      ret_from_fork+0x31/0x70
[ 6695.940715][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6695.940715][   T10] 
[ 6695.942623][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.942623][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.942623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.942623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.942623][   T10]      ip6_route_add+0x1c/0x140
[ 6695.942623][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6695.942623][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6695.942623][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.942623][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.942623][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.942623][   T10]      netlink_unicast+0x449/0x710
[ 6695.942623][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.942623][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.942623][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.942623][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.942623][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.942623][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.942623][   T10] 
[ 6695.944626][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.944626][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.944626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.944626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.944626][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6695.944626][   T10]      ipv6_add_addr+0x411/0x2000
[ 6695.944626][   T10]      inet6_addr_add+0x30e/0xa40
[ 6695.944626][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.944626][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.944626][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.944626][   T10]      netlink_unicast+0x449/0x710
[ 6695.944626][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.944626][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.944626][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.944626][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.944626][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.944626][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.944626][   T10] 
[ 6695.946641][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.946641][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.946641][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.946641][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.946641][   T10]      ip6_route_add+0x1c/0x140
[ 6695.946641][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6695.946641][   T10]      addrconf_add_dev+0xe2/0x170
[ 6695.946641][   T10]      inet6_addr_add+0x12f/0xa40
[ 6695.946641][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.946641][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.946641][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.946641][   T10]      netlink_unicast+0x449/0x710
[ 6695.946641][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.946641][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.946641][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.946641][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.946641][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.946641][   T10] 
[ 6695.948601][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.948601][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6695.948601][   T10]      ipv6_find_idev+0x102/0x170
[ 6695.948601][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6695.948601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.948601][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.948601][   T10]      netlink_unicast+0x449/0x710
[ 6695.948601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.948601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.948601][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.948601][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.948601][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.948601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.948601][   T10] 
[ 6695.950119][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6695.950119][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6695.950119][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6695.950119][   T10]      ipv6_find_idev+0x102/0x170
[ 6695.950119][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6695.950119][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.950119][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.950119][   T10]      netlink_unicast+0x449/0x710
[ 6695.950119][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.950119][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.950119][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.950119][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.950119][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.950119][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.950119][   T10] 
[ 6695.951789][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6695.952032][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.952032][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6695.952032][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6695.952032][   T10]      fib6_nh_init+0xa22/0x1580
[ 6695.952032][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.952032][   T10]      ip6_route_add+0x1c/0x140
[ 6695.952032][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6695.952032][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.952032][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.952032][   T10]      netlink_unicast+0x449/0x710
[ 6695.952032][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.952032][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.952032][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.952032][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.952032][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.952032][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.952032][   T10] 
[ 6695.953924][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.953924][   T10]      dst_init+0x84/0x4a0
[ 6695.953924][   T10]      dst_alloc+0x97/0x150
[ 6695.953924][   T10]      ip6_dst_alloc+0x23/0x90
[ 6695.953924][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6695.953924][   T10]      ip6_pol_route+0x56f/0x840
[ 6695.953924][   T10]      fib6_rule_lookup+0x456/0x630
[ 6695.953924][   T10]      ip6_route_input+0x59c/0xa50
[ 6695.953924][   T10]      ipv6_rcv+0x397/0x810
[ 6695.953924][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6695.953924][   T10]      process_backlog+0x101/0x620
[ 6695.953924][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6695.953924][   T10]      net_rx_action+0x495/0xbe0
[ 6695.953924][   T10]      __do_softirq+0x1b5/0x7f6
[ 6695.953924][   T10] 
[ 6695.955569][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.955569][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.955569][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.955569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.955569][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6695.955569][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6695.955569][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6695.955569][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6695.955569][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6695.955569][   T10]      addrconf_dad_begin+0x310/0x670
[ 6695.955569][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6695.955569][   T10]      process_one_work+0x84d/0x18a0
[ 6695.955569][   T10]      worker_thread+0x587/0xd30
[ 6695.955569][   T10]      kthread+0x28a/0x350
[ 6695.955569][   T10]      ret_from_fork+0x31/0x70
[ 6695.955569][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6695.955569][   T10] 
[ 6695.957487][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.957487][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.957487][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.957487][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.957487][   T10]      ip6_route_add+0x1c/0x140
[ 6695.957487][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6695.957487][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6695.957487][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.957487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.957487][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.957487][   T10]      netlink_unicast+0x449/0x710
[ 6695.957487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.957487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.957487][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.957487][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.957487][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.957487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.957487][   T10] 
[ 6695.959485][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.959485][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.959485][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.959485][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.959485][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6695.959485][   T10]      ipv6_add_addr+0x411/0x2000
[ 6695.959485][   T10]      inet6_addr_add+0x30e/0xa40
[ 6695.959485][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.959485][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.959485][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.959485][   T10]      netlink_unicast+0x449/0x710
[ 6695.959485][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.959485][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.959485][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.959485][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.959485][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.959485][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.959485][   T10] 
[ 6695.961481][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.961481][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.961481][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.961481][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.961481][   T10]      ip6_route_add+0x1c/0x140
[ 6695.961481][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6695.961481][   T10]      addrconf_add_dev+0xe2/0x170
[ 6695.961481][   T10]      inet6_addr_add+0x12f/0xa40
[ 6695.961481][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.961481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.961481][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.961481][   T10]      netlink_unicast+0x449/0x710
[ 6695.961481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.961481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.961481][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.961481][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.961481][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.961481][   T10] 
[ 6695.963512][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.963512][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6695.963512][   T10]      ipv6_find_idev+0x102/0x170
[ 6695.963512][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6695.963512][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.963512][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.963512][   T10]      netlink_unicast+0x449/0x710
[ 6695.963512][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.963512][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.963512][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.963512][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.963512][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.963512][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.963512][   T10] 
[ 6695.965184][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6695.965184][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6695.965184][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6695.965184][   T10]      ipv6_find_idev+0x102/0x170
[ 6695.965184][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6695.965184][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.965184][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.965184][   T10]      netlink_unicast+0x449/0x710
[ 6695.965184][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.965184][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.965184][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.965184][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.965184][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.965184][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.965184][   T10] 
[ 6695.967002][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6695.967239][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6695.967239][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.967239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.967239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.967239][   T10]      ip6_route_add+0x1c/0x140
[ 6695.967239][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6695.967239][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6695.967239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.967239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.967239][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.967239][   T10]      netlink_unicast+0x449/0x710
[ 6695.967239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.967239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.967239][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.967239][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.967239][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.967239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.967239][   T10] 
[ 6695.969393][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6695.969393][   T10]      netdev_get_by_index+0x5e/0x80
[ 6695.969393][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6695.969393][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6695.969393][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6695.969393][   T10]      ipv6_add_addr+0x411/0x2000
[ 6695.969393][   T10]      inet6_addr_add+0x30e/0xa40
[ 6695.969393][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6695.969393][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.969393][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.969393][   T10]      netlink_unicast+0x449/0x710
[ 6695.969393][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.969393][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.969393][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.969393][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.969393][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.969393][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.969393][   T10] 
[ 6695.971520][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6695.971520][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6695.971520][   T10]      ipv6_find_idev+0x102/0x170
[ 6695.971520][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6695.971520][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.971520][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.971520][   T10]      netlink_unicast+0x449/0x710
[ 6695.971520][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.971520][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.971520][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.971520][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.971520][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.971520][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.971520][   T10] 
[ 6695.973124][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6695.973124][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6695.973124][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6695.973124][   T10]      ipv6_find_idev+0x102/0x170
[ 6695.973124][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6695.973124][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6695.973124][   T10]      netlink_rcv_skb+0x130/0x360
[ 6695.973124][   T10]      netlink_unicast+0x449/0x710
[ 6695.973124][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6695.973124][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6695.973124][   T10]      ___sys_sendmsg+0xee/0x170
[ 6695.973124][   T10]      __sys_sendmsg+0xcd/0x170
[ 6695.973124][   T10]      do_syscall_64+0xc6/0x1e0
[ 6695.973124][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6695.973124][   T10] 
[ 6706.216790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6706.217481][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.217481][   T10]      dst_init+0x84/0x4a0
[ 6706.217481][   T10]      dst_alloc+0x97/0x150
[ 6706.217481][   T10]      ip6_dst_alloc+0x23/0x90
[ 6706.217481][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6706.217481][   T10]      ip6_pol_route+0x56f/0x840
[ 6706.217481][   T10]      fib6_rule_lookup+0x456/0x630
[ 6706.217481][   T10]      ip6_route_input+0x59c/0xa50
[ 6706.217481][   T10]      ipv6_rcv+0x397/0x810
[ 6706.217481][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6706.217481][   T10]      process_backlog+0x101/0x620
[ 6706.217481][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6706.217481][   T10]      net_rx_action+0x495/0xbe0
[ 6706.217481][   T10]      __do_softirq+0x1b5/0x7f6
[ 6706.217481][   T10] 
[ 6706.219110][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.219110][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6706.219110][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6706.219110][   T10]      fib6_nh_init+0xa22/0x1580
[ 6706.219110][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.219110][   T10]      ip6_route_add+0x1c/0x140
[ 6706.219110][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6706.219110][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.219110][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.219110][   T10]      netlink_unicast+0x449/0x710
[ 6706.219110][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.219110][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.219110][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.219110][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.219110][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.219110][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.219110][   T10] 
[ 6706.220966][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.220966][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.220966][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.220966][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.220966][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6706.220966][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6706.220966][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6706.220966][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6706.220966][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6706.220966][   T10]      addrconf_dad_begin+0x310/0x670
[ 6706.220966][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6706.220966][   T10]      process_one_work+0x84d/0x18a0
[ 6706.220966][   T10]      worker_thread+0x587/0xd30
[ 6706.220966][   T10]      kthread+0x28a/0x350
[ 6706.220966][   T10]      ret_from_fork+0x31/0x70
[ 6706.220966][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6706.220966][   T10] 
[ 6706.222831][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.222831][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.222831][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.222831][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.222831][   T10]      ip6_route_add+0x1c/0x140
[ 6706.222831][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6706.222831][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6706.222831][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.222831][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.222831][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.222831][   T10]      netlink_unicast+0x449/0x710
[ 6706.222831][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.222831][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.222831][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.222831][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.222831][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.222831][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.222831][   T10] 
[ 6706.224781][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.224781][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.224781][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.224781][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.224781][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6706.224781][   T10]      ipv6_add_addr+0x411/0x2000
[ 6706.224781][   T10]      inet6_addr_add+0x30e/0xa40
[ 6706.224781][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.224781][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.224781][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.224781][   T10]      netlink_unicast+0x449/0x710
[ 6706.224781][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.224781][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.224781][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.224781][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.224781][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.224781][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.224781][   T10] 
[ 6706.226737][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.226737][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.226737][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.226737][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.226737][   T10]      ip6_route_add+0x1c/0x140
[ 6706.226737][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6706.226737][   T10]      addrconf_add_dev+0xe2/0x170
[ 6706.226737][   T10]      inet6_addr_add+0x12f/0xa40
[ 6706.226737][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.226737][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.226737][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.226737][   T10]      netlink_unicast+0x449/0x710
[ 6706.226737][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.226737][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.226737][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.226737][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.226737][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.226737][   T10] 
[ 6706.228686][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.228686][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6706.228686][   T10]      ipv6_find_idev+0x102/0x170
[ 6706.228686][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6706.228686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.228686][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.228686][   T10]      netlink_unicast+0x449/0x710
[ 6706.228686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.228686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.228686][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.228686][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.228686][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.228686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.228686][   T10] 
[ 6706.230231][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6706.230231][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6706.230231][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6706.230231][   T10]      ipv6_find_idev+0x102/0x170
[ 6706.230231][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6706.230231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.230231][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.230231][   T10]      netlink_unicast+0x449/0x710
[ 6706.230231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.230231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.230231][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.230231][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.230231][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.230231][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.230231][   T10] 
[ 6706.231910][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6706.232164][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.232164][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6706.232164][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6706.232164][   T10]      fib6_nh_init+0xa22/0x1580
[ 6706.232164][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.232164][   T10]      ip6_route_add+0x1c/0x140
[ 6706.232164][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6706.232164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.232164][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.232164][   T10]      netlink_unicast+0x449/0x710
[ 6706.232164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.232164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.232164][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.232164][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.232164][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.232164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.232164][   T10] 
[ 6706.234054][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.234054][   T10]      dst_init+0x84/0x4a0
[ 6706.234054][   T10]      dst_alloc+0x97/0x150
[ 6706.234054][   T10]      ip6_dst_alloc+0x23/0x90
[ 6706.234054][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6706.234054][   T10]      ip6_pol_route+0x56f/0x840
[ 6706.234054][   T10]      fib6_rule_lookup+0x456/0x630
[ 6706.234054][   T10]      ip6_route_input+0x59c/0xa50
[ 6706.234054][   T10]      ipv6_rcv+0x397/0x810
[ 6706.234054][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6706.234054][   T10]      process_backlog+0x101/0x620
[ 6706.234054][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6706.234054][   T10]      net_rx_action+0x495/0xbe0
[ 6706.234054][   T10]      __do_softirq+0x1b5/0x7f6
[ 6706.234054][   T10] 
[ 6706.235699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.235699][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.235699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.235699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.235699][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6706.235699][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6706.235699][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6706.235699][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6706.235699][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6706.235699][   T10]      addrconf_dad_begin+0x310/0x670
[ 6706.235699][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6706.235699][   T10]      process_one_work+0x84d/0x18a0
[ 6706.235699][   T10]      worker_thread+0x587/0xd30
[ 6706.235699][   T10]      kthread+0x28a/0x350
[ 6706.235699][   T10]      ret_from_fork+0x31/0x70
[ 6706.235699][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6706.235699][   T10] 
[ 6706.237606][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.237606][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.237606][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.237606][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.237606][   T10]      ip6_route_add+0x1c/0x140
[ 6706.237606][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6706.237606][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6706.237606][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.237606][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.237606][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.237606][   T10]      netlink_unicast+0x449/0x710
[ 6706.237606][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.237606][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.237606][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.237606][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.237606][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.237606][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.237606][   T10] 
[ 6706.239552][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.239552][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.239552][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.239552][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.239552][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6706.239552][   T10]      ipv6_add_addr+0x411/0x2000
[ 6706.239552][   T10]      inet6_addr_add+0x30e/0xa40
[ 6706.239552][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.239552][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.239552][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.239552][   T10]      netlink_unicast+0x449/0x710
[ 6706.239552][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.239552][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.239552][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.239552][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.239552][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.239552][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.239552][   T10] 
[ 6706.241556][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.241556][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.241556][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.241556][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.241556][   T10]      ip6_route_add+0x1c/0x140
[ 6706.241556][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6706.241556][   T10]      addrconf_add_dev+0xe2/0x170
[ 6706.241556][   T10]      inet6_addr_add+0x12f/0xa40
[ 6706.241556][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.241556][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.241556][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.241556][   T10]      netlink_unicast+0x449/0x710
[ 6706.241556][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.241556][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.241556][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.241556][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.241556][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.241556][   T10] 
[ 6706.243672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.243672][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6706.243672][   T10]      ipv6_find_idev+0x102/0x170
[ 6706.243672][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6706.243672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.243672][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.243672][   T10]      netlink_unicast+0x449/0x710
[ 6706.243672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.243672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.243672][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.243672][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.243672][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.243672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.243672][   T10] 
[ 6706.245410][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6706.245410][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6706.245410][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6706.245410][   T10]      ipv6_find_idev+0x102/0x170
[ 6706.245410][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6706.245410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.245410][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.245410][   T10]      netlink_unicast+0x449/0x710
[ 6706.245410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.245410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.245410][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.245410][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.245410][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.245410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.245410][   T10] 
[ 6706.247325][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6706.247575][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6706.247575][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.247575][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.247575][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.247575][   T10]      ip6_route_add+0x1c/0x140
[ 6706.247575][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6706.247575][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6706.247575][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.247575][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.247575][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.247575][   T10]      netlink_unicast+0x449/0x710
[ 6706.247575][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.247575][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.247575][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.247575][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.247575][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.247575][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.247575][   T10] 
[ 6706.249798][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6706.249798][   T10]      netdev_get_by_index+0x5e/0x80
[ 6706.249798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6706.249798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6706.249798][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6706.249798][   T10]      ipv6_add_addr+0x411/0x2000
[ 6706.249798][   T10]      inet6_addr_add+0x30e/0xa40
[ 6706.249798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6706.249798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.249798][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.249798][   T10]      netlink_unicast+0x449/0x710
[ 6706.249798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.249798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.249798][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.249798][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.249798][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.249798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.249798][   T10] 
[ 6706.252015][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6706.252015][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6706.252015][   T10]      ipv6_find_idev+0x102/0x170
[ 6706.252015][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6706.252015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.252015][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.252015][   T10]      netlink_unicast+0x449/0x710
[ 6706.252015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.252015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.252015][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.252015][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.252015][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.252015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.252015][   T10] 
[ 6706.253709][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6706.253709][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6706.253709][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6706.253709][   T10]      ipv6_find_idev+0x102/0x170
[ 6706.253709][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6706.253709][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6706.253709][   T10]      netlink_rcv_skb+0x130/0x360
[ 6706.253709][   T10]      netlink_unicast+0x449/0x710
[ 6706.253709][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6706.253709][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6706.253709][   T10]      ___sys_sendmsg+0xee/0x170
[ 6706.253709][   T10]      __sys_sendmsg+0xcd/0x170
[ 6706.253709][   T10]      do_syscall_64+0xc6/0x1e0
[ 6706.253709][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6706.253709][   T10] 
[ 6716.496779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6716.497521][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.497521][   T10]      dst_init+0x84/0x4a0
[ 6716.497521][   T10]      dst_alloc+0x97/0x150
[ 6716.497521][   T10]      ip6_dst_alloc+0x23/0x90
[ 6716.497521][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6716.497521][   T10]      ip6_pol_route+0x56f/0x840
[ 6716.497521][   T10]      fib6_rule_lookup+0x456/0x630
[ 6716.497521][   T10]      ip6_route_input+0x59c/0xa50
[ 6716.497521][   T10]      ipv6_rcv+0x397/0x810
[ 6716.497521][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6716.497521][   T10]      process_backlog+0x101/0x620
[ 6716.497521][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6716.497521][   T10]      net_rx_action+0x495/0xbe0
[ 6716.497521][   T10]      __do_softirq+0x1b5/0x7f6
[ 6716.497521][   T10] 
[ 6716.499149][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.499149][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6716.499149][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6716.499149][   T10]      fib6_nh_init+0xa22/0x1580
[ 6716.499149][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.499149][   T10]      ip6_route_add+0x1c/0x140
[ 6716.499149][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6716.499149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.499149][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.499149][   T10]      netlink_unicast+0x449/0x710
[ 6716.499149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.499149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.499149][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.499149][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.499149][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.499149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.499149][   T10] 
[ 6716.500995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.500995][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.500995][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.500995][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.500995][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6716.500995][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6716.500995][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6716.500995][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6716.500995][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6716.500995][   T10]      addrconf_dad_begin+0x310/0x670
[ 6716.500995][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6716.500995][   T10]      process_one_work+0x84d/0x18a0
[ 6716.500995][   T10]      worker_thread+0x587/0xd30
[ 6716.500995][   T10]      kthread+0x28a/0x350
[ 6716.500995][   T10]      ret_from_fork+0x31/0x70
[ 6716.500995][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6716.500995][   T10] 
[ 6716.502857][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.502857][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.502857][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.502857][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.502857][   T10]      ip6_route_add+0x1c/0x140
[ 6716.502857][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6716.502857][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6716.502857][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.502857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.502857][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.502857][   T10]      netlink_unicast+0x449/0x710
[ 6716.502857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.502857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.502857][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.502857][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.502857][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.502857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.502857][   T10] 
[ 6716.504861][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.504861][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.504861][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.504861][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.504861][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6716.504861][   T10]      ipv6_add_addr+0x411/0x2000
[ 6716.504861][   T10]      inet6_addr_add+0x30e/0xa40
[ 6716.504861][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.504861][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.504861][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.504861][   T10]      netlink_unicast+0x449/0x710
[ 6716.504861][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.504861][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.504861][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.504861][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.504861][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.504861][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.504861][   T10] 
[ 6716.506881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.506881][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.506881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.506881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.506881][   T10]      ip6_route_add+0x1c/0x140
[ 6716.506881][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6716.506881][   T10]      addrconf_add_dev+0xe2/0x170
[ 6716.506881][   T10]      inet6_addr_add+0x12f/0xa40
[ 6716.506881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.506881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.506881][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.506881][   T10]      netlink_unicast+0x449/0x710
[ 6716.506881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.506881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.506881][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.506881][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.506881][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.506881][   T10] 
[ 6716.508826][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.508826][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6716.508826][   T10]      ipv6_find_idev+0x102/0x170
[ 6716.508826][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6716.508826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.508826][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.508826][   T10]      netlink_unicast+0x449/0x710
[ 6716.508826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.508826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.508826][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.508826][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.508826][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.508826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.508826][   T10] 
[ 6716.510330][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6716.510330][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6716.510330][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6716.510330][   T10]      ipv6_find_idev+0x102/0x170
[ 6716.510330][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6716.510330][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.510330][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.510330][   T10]      netlink_unicast+0x449/0x710
[ 6716.510330][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.510330][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.510330][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.510330][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.510330][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.510330][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.510330][   T10] 
[ 6716.512025][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6716.512270][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.512270][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6716.512270][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6716.512270][   T10]      fib6_nh_init+0xa22/0x1580
[ 6716.512270][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.512270][   T10]      ip6_route_add+0x1c/0x140
[ 6716.512270][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6716.512270][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.512270][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.512270][   T10]      netlink_unicast+0x449/0x710
[ 6716.512270][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.512270][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.512270][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.512270][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.512270][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.512270][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.512270][   T10] 
[ 6716.514146][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.514146][   T10]      dst_init+0x84/0x4a0
[ 6716.514146][   T10]      dst_alloc+0x97/0x150
[ 6716.514146][   T10]      ip6_dst_alloc+0x23/0x90
[ 6716.514146][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6716.514146][   T10]      ip6_pol_route+0x56f/0x840
[ 6716.514146][   T10]      fib6_rule_lookup+0x456/0x630
[ 6716.514146][   T10]      ip6_route_input+0x59c/0xa50
[ 6716.514146][   T10]      ipv6_rcv+0x397/0x810
[ 6716.514146][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6716.514146][   T10]      process_backlog+0x101/0x620
[ 6716.514146][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6716.514146][   T10]      net_rx_action+0x495/0xbe0
[ 6716.514146][   T10]      __do_softirq+0x1b5/0x7f6
[ 6716.514146][   T10] 
[ 6716.515807][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.515807][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.515807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.515807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.515807][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6716.515807][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6716.515807][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6716.515807][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6716.515807][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6716.515807][   T10]      addrconf_dad_begin+0x310/0x670
[ 6716.515807][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6716.515807][   T10]      process_one_work+0x84d/0x18a0
[ 6716.515807][   T10]      worker_thread+0x587/0xd30
[ 6716.515807][   T10]      kthread+0x28a/0x350
[ 6716.515807][   T10]      ret_from_fork+0x31/0x70
[ 6716.515807][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6716.515807][   T10] 
[ 6716.517716][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.517716][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.517716][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.517716][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.517716][   T10]      ip6_route_add+0x1c/0x140
[ 6716.517716][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6716.517716][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6716.517716][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.517716][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.517716][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.517716][   T10]      netlink_unicast+0x449/0x710
[ 6716.517716][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.517716][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.517716][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.517716][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.517716][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.517716][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.517716][   T10] 
[ 6716.519690][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.519690][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.519690][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.519690][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.519690][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6716.519690][   T10]      ipv6_add_addr+0x411/0x2000
[ 6716.519690][   T10]      inet6_addr_add+0x30e/0xa40
[ 6716.519690][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.519690][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.519690][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.519690][   T10]      netlink_unicast+0x449/0x710
[ 6716.519690][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.519690][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.519690][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.519690][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.519690][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.519690][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.519690][   T10] 
[ 6716.521637][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.521637][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.521637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.521637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.521637][   T10]      ip6_route_add+0x1c/0x140
[ 6716.521637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6716.521637][   T10]      addrconf_add_dev+0xe2/0x170
[ 6716.521637][   T10]      inet6_addr_add+0x12f/0xa40
[ 6716.521637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.521637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.521637][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.521637][   T10]      netlink_unicast+0x449/0x710
[ 6716.521637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.521637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.521637][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.521637][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.521637][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.521637][   T10] 
[ 6716.523770][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.523770][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6716.523770][   T10]      ipv6_find_idev+0x102/0x170
[ 6716.523770][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6716.523770][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.523770][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.523770][   T10]      netlink_unicast+0x449/0x710
[ 6716.523770][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.523770][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.523770][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.523770][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.523770][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.523770][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.523770][   T10] 
[ 6716.525526][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6716.525526][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6716.525526][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6716.525526][   T10]      ipv6_find_idev+0x102/0x170
[ 6716.525526][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6716.525526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.525526][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.525526][   T10]      netlink_unicast+0x449/0x710
[ 6716.525526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.525526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.525526][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.525526][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.525526][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.525526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.525526][   T10] 
[ 6716.527368][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6716.527612][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6716.527612][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.527612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.527612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.527612][   T10]      ip6_route_add+0x1c/0x140
[ 6716.527612][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6716.527612][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6716.527612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.527612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.527612][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.527612][   T10]      netlink_unicast+0x449/0x710
[ 6716.527612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.527612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.527612][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.527612][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.527612][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.527612][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.527612][   T10] 
[ 6716.529873][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6716.529873][   T10]      netdev_get_by_index+0x5e/0x80
[ 6716.529873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6716.529873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6716.529873][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6716.529873][   T10]      ipv6_add_addr+0x411/0x2000
[ 6716.529873][   T10]      inet6_addr_add+0x30e/0xa40
[ 6716.529873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6716.529873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.529873][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.529873][   T10]      netlink_unicast+0x449/0x710
[ 6716.529873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.529873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.529873][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.529873][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.529873][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.529873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.529873][   T10] 
[ 6716.532044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6716.532044][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6716.532044][   T10]      ipv6_find_idev+0x102/0x170
[ 6716.532044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6716.532044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.532044][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.532044][   T10]      netlink_unicast+0x449/0x710
[ 6716.532044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.532044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.532044][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.532044][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.532044][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.532044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.532044][   T10] 
[ 6716.533822][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6716.533822][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6716.533822][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6716.533822][   T10]      ipv6_find_idev+0x102/0x170
[ 6716.533822][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6716.533822][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6716.533822][   T10]      netlink_rcv_skb+0x130/0x360
[ 6716.533822][   T10]      netlink_unicast+0x449/0x710
[ 6716.533822][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6716.533822][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6716.533822][   T10]      ___sys_sendmsg+0xee/0x170
[ 6716.533822][   T10]      __sys_sendmsg+0xcd/0x170
[ 6716.533822][   T10]      do_syscall_64+0xc6/0x1e0
[ 6716.533822][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6716.533822][   T10] 
[ 6726.776776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6726.777374][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.777374][   T10]      dst_init+0x84/0x4a0
[ 6726.777374][   T10]      dst_alloc+0x97/0x150
[ 6726.777374][   T10]      ip6_dst_alloc+0x23/0x90
[ 6726.777374][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6726.777374][   T10]      ip6_pol_route+0x56f/0x840
[ 6726.777374][   T10]      fib6_rule_lookup+0x456/0x630
[ 6726.777374][   T10]      ip6_route_input+0x59c/0xa50
[ 6726.777374][   T10]      ipv6_rcv+0x397/0x810
[ 6726.777374][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6726.777374][   T10]      process_backlog+0x101/0x620
[ 6726.777374][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6726.777374][   T10]      net_rx_action+0x495/0xbe0
[ 6726.777374][   T10]      __do_softirq+0x1b5/0x7f6
[ 6726.777374][   T10] 
[ 6726.779014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.779014][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6726.779014][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6726.779014][   T10]      fib6_nh_init+0xa22/0x1580
[ 6726.779014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.779014][   T10]      ip6_route_add+0x1c/0x140
[ 6726.779014][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6726.779014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.779014][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.779014][   T10]      netlink_unicast+0x449/0x710
[ 6726.779014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.779014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.779014][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.779014][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.779014][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.779014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.779014][   T10] 
[ 6726.780893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.780893][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.780893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.780893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.780893][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6726.780893][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6726.780893][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6726.780893][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6726.780893][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6726.780893][   T10]      addrconf_dad_begin+0x310/0x670
[ 6726.780893][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6726.780893][   T10]      process_one_work+0x84d/0x18a0
[ 6726.780893][   T10]      worker_thread+0x587/0xd30
[ 6726.780893][   T10]      kthread+0x28a/0x350
[ 6726.780893][   T10]      ret_from_fork+0x31/0x70
[ 6726.780893][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6726.780893][   T10] 
[ 6726.782800][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.782800][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.782800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.782800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.782800][   T10]      ip6_route_add+0x1c/0x140
[ 6726.782800][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6726.782800][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6726.782800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.782800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.782800][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.782800][   T10]      netlink_unicast+0x449/0x710
[ 6726.782800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.782800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.782800][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.782800][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.782800][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.782800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.782800][   T10] 
[ 6726.784790][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.784790][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.784790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.784790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.784790][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6726.784790][   T10]      ipv6_add_addr+0x411/0x2000
[ 6726.784790][   T10]      inet6_addr_add+0x30e/0xa40
[ 6726.784790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.784790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.784790][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.784790][   T10]      netlink_unicast+0x449/0x710
[ 6726.784790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.784790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.784790][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.784790][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.784790][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.784790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.784790][   T10] 
[ 6726.786808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.786808][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.786808][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.786808][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.786808][   T10]      ip6_route_add+0x1c/0x140
[ 6726.786808][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6726.786808][   T10]      addrconf_add_dev+0xe2/0x170
[ 6726.786808][   T10]      inet6_addr_add+0x12f/0xa40
[ 6726.786808][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.786808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.786808][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.786808][   T10]      netlink_unicast+0x449/0x710
[ 6726.786808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.786808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.786808][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.786808][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.786808][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.786808][   T10] 
[ 6726.788723][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.788723][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6726.788723][   T10]      ipv6_find_idev+0x102/0x170
[ 6726.788723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6726.788723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.788723][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.788723][   T10]      netlink_unicast+0x449/0x710
[ 6726.788723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.788723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.788723][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.788723][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.788723][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.788723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.788723][   T10] 
[ 6726.790224][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6726.790224][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6726.790224][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6726.790224][   T10]      ipv6_find_idev+0x102/0x170
[ 6726.790224][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6726.790224][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.790224][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.790224][   T10]      netlink_unicast+0x449/0x710
[ 6726.790224][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.790224][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.790224][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.790224][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.790224][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.790224][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.790224][   T10] 
[ 6726.791869][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6726.792145][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.792145][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6726.792145][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6726.792145][   T10]      fib6_nh_init+0xa22/0x1580
[ 6726.792145][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.792145][   T10]      ip6_route_add+0x1c/0x140
[ 6726.792145][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6726.792145][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.792145][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.792145][   T10]      netlink_unicast+0x449/0x710
[ 6726.792145][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.792145][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.792145][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.792145][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.792145][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.792145][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.792145][   T10] 
[ 6726.794023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.794023][   T10]      dst_init+0x84/0x4a0
[ 6726.794023][   T10]      dst_alloc+0x97/0x150
[ 6726.794023][   T10]      ip6_dst_alloc+0x23/0x90
[ 6726.794023][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6726.794023][   T10]      ip6_pol_route+0x56f/0x840
[ 6726.794023][   T10]      fib6_rule_lookup+0x456/0x630
[ 6726.794023][   T10]      ip6_route_input+0x59c/0xa50
[ 6726.794023][   T10]      ipv6_rcv+0x397/0x810
[ 6726.794023][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6726.794023][   T10]      process_backlog+0x101/0x620
[ 6726.794023][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6726.794023][   T10]      net_rx_action+0x495/0xbe0
[ 6726.794023][   T10]      __do_softirq+0x1b5/0x7f6
[ 6726.794023][   T10] 
[ 6726.795639][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.795639][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.795639][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.795639][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.795639][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6726.795639][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6726.795639][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6726.795639][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6726.795639][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6726.795639][   T10]      addrconf_dad_begin+0x310/0x670
[ 6726.795639][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6726.795639][   T10]      process_one_work+0x84d/0x18a0
[ 6726.795639][   T10]      worker_thread+0x587/0xd30
[ 6726.795639][   T10]      kthread+0x28a/0x350
[ 6726.795639][   T10]      ret_from_fork+0x31/0x70
[ 6726.795639][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6726.795639][   T10] 
[ 6726.797553][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.797553][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.797553][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.797553][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.797553][   T10]      ip6_route_add+0x1c/0x140
[ 6726.797553][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6726.797553][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6726.797553][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.797553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.797553][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.797553][   T10]      netlink_unicast+0x449/0x710
[ 6726.797553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.797553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.797553][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.797553][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.797553][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.797553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.797553][   T10] 
[ 6726.799548][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.799548][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.799548][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.799548][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.799548][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6726.799548][   T10]      ipv6_add_addr+0x411/0x2000
[ 6726.799548][   T10]      inet6_addr_add+0x30e/0xa40
[ 6726.799548][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.799548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.799548][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.799548][   T10]      netlink_unicast+0x449/0x710
[ 6726.799548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.799548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.799548][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.799548][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.799548][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.799548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.799548][   T10] 
[ 6726.801527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.801527][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.801527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.801527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.801527][   T10]      ip6_route_add+0x1c/0x140
[ 6726.801527][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6726.801527][   T10]      addrconf_add_dev+0xe2/0x170
[ 6726.801527][   T10]      inet6_addr_add+0x12f/0xa40
[ 6726.801527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.801527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.801527][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.801527][   T10]      netlink_unicast+0x449/0x710
[ 6726.801527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.801527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.801527][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.801527][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.801527][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.801527][   T10] 
[ 6726.803652][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.803652][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6726.803652][   T10]      ipv6_find_idev+0x102/0x170
[ 6726.803652][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6726.803652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.803652][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.803652][   T10]      netlink_unicast+0x449/0x710
[ 6726.803652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.803652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.803652][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.803652][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.803652][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.803652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.803652][   T10] 
[ 6726.805363][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6726.805363][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6726.805363][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6726.805363][   T10]      ipv6_find_idev+0x102/0x170
[ 6726.805363][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6726.805363][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.805363][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.805363][   T10]      netlink_unicast+0x449/0x710
[ 6726.805363][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.805363][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.805363][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.805363][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.805363][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.805363][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.805363][   T10] 
[ 6726.807292][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6726.807555][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6726.807555][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.807555][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.807555][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.807555][   T10]      ip6_route_add+0x1c/0x140
[ 6726.807555][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6726.807555][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6726.807555][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.807555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.807555][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.807555][   T10]      netlink_unicast+0x449/0x710
[ 6726.807555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.807555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.807555][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.807555][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.807555][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.807555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.807555][   T10] 
[ 6726.809802][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6726.809802][   T10]      netdev_get_by_index+0x5e/0x80
[ 6726.809802][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6726.809802][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6726.809802][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6726.809802][   T10]      ipv6_add_addr+0x411/0x2000
[ 6726.809802][   T10]      inet6_addr_add+0x30e/0xa40
[ 6726.809802][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6726.809802][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.809802][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.809802][   T10]      netlink_unicast+0x449/0x710
[ 6726.809802][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.809802][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.809802][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.809802][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.809802][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.809802][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.809802][   T10] 
[ 6726.811943][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6726.811943][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6726.811943][   T10]      ipv6_find_idev+0x102/0x170
[ 6726.811943][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6726.811943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.811943][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.811943][   T10]      netlink_unicast+0x449/0x710
[ 6726.811943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.811943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.811943][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.811943][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.811943][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.811943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.811943][   T10] 
[ 6726.813657][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6726.813657][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6726.813657][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6726.813657][   T10]      ipv6_find_idev+0x102/0x170
[ 6726.813657][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6726.813657][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6726.813657][   T10]      netlink_rcv_skb+0x130/0x360
[ 6726.813657][   T10]      netlink_unicast+0x449/0x710
[ 6726.813657][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6726.813657][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6726.813657][   T10]      ___sys_sendmsg+0xee/0x170
[ 6726.813657][   T10]      __sys_sendmsg+0xcd/0x170
[ 6726.813657][   T10]      do_syscall_64+0xc6/0x1e0
[ 6726.813657][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6726.813657][   T10] 
[ 6737.056786][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6737.057578][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.057578][   T10]      dst_init+0x84/0x4a0
[ 6737.057578][   T10]      dst_alloc+0x97/0x150
[ 6737.057578][   T10]      ip6_dst_alloc+0x23/0x90
[ 6737.057578][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6737.057578][   T10]      ip6_pol_route+0x56f/0x840
[ 6737.057578][   T10]      fib6_rule_lookup+0x456/0x630
[ 6737.057578][   T10]      ip6_route_input+0x59c/0xa50
[ 6737.057578][   T10]      ipv6_rcv+0x397/0x810
[ 6737.057578][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6737.057578][   T10]      process_backlog+0x101/0x620
[ 6737.057578][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6737.057578][   T10]      net_rx_action+0x495/0xbe0
[ 6737.057578][   T10]      __do_softirq+0x1b5/0x7f6
[ 6737.057578][   T10] 
[ 6737.059246][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.059246][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6737.059246][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6737.059246][   T10]      fib6_nh_init+0xa22/0x1580
[ 6737.059246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.059246][   T10]      ip6_route_add+0x1c/0x140
[ 6737.059246][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6737.059246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.059246][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.059246][   T10]      netlink_unicast+0x449/0x710
[ 6737.059246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.059246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.059246][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.059246][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.059246][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.059246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.059246][   T10] 
[ 6737.061119][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.061119][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.061119][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.061119][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.061119][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6737.061119][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6737.061119][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6737.061119][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6737.061119][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6737.061119][   T10]      addrconf_dad_begin+0x310/0x670
[ 6737.061119][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6737.061119][   T10]      process_one_work+0x84d/0x18a0
[ 6737.061119][   T10]      worker_thread+0x587/0xd30
[ 6737.061119][   T10]      kthread+0x28a/0x350
[ 6737.061119][   T10]      ret_from_fork+0x31/0x70
[ 6737.061119][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6737.061119][   T10] 
[ 6737.063516][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.063516][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.063516][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.063516][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.063516][   T10]      ip6_route_add+0x1c/0x140
[ 6737.063516][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6737.063516][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6737.063516][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.063516][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.063516][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.063516][   T10]      netlink_unicast+0x449/0x710
[ 6737.063516][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.063516][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.063516][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.063516][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.063516][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.063516][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.063516][   T10] 
[ 6737.065557][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.065557][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.065557][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.065557][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.065557][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6737.065557][   T10]      ipv6_add_addr+0x411/0x2000
[ 6737.065557][   T10]      inet6_addr_add+0x30e/0xa40
[ 6737.065557][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.065557][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.065557][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.065557][   T10]      netlink_unicast+0x449/0x710
[ 6737.065557][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.065557][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.065557][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.065557][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.065557][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.065557][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.065557][   T10] 
[ 6737.067535][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.067535][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.067535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.067535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.067535][   T10]      ip6_route_add+0x1c/0x140
[ 6737.067535][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6737.067535][   T10]      addrconf_add_dev+0xe2/0x170
[ 6737.067535][   T10]      inet6_addr_add+0x12f/0xa40
[ 6737.067535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.067535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.067535][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.067535][   T10]      netlink_unicast+0x449/0x710
[ 6737.067535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.067535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.067535][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.067535][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.067535][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.067535][   T10] 
[ 6737.069501][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.069501][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6737.069501][   T10]      ipv6_find_idev+0x102/0x170
[ 6737.069501][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6737.069501][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.069501][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.069501][   T10]      netlink_unicast+0x449/0x710
[ 6737.069501][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.069501][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.069501][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.069501][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.069501][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.069501][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.069501][   T10] 
[ 6737.071047][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6737.071047][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6737.071047][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6737.071047][   T10]      ipv6_find_idev+0x102/0x170
[ 6737.071047][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6737.071047][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.071047][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.071047][   T10]      netlink_unicast+0x449/0x710
[ 6737.071047][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.071047][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.071047][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.071047][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.071047][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.071047][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.071047][   T10] 
[ 6737.072736][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6737.073007][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.073007][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6737.073007][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6737.073007][   T10]      fib6_nh_init+0xa22/0x1580
[ 6737.073007][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.073007][   T10]      ip6_route_add+0x1c/0x140
[ 6737.073007][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6737.073007][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.073007][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.073007][   T10]      netlink_unicast+0x449/0x710
[ 6737.073007][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.073007][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.073007][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.073007][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.073007][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.073007][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.073007][   T10] 
[ 6737.074890][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.074890][   T10]      dst_init+0x84/0x4a0
[ 6737.074890][   T10]      dst_alloc+0x97/0x150
[ 6737.074890][   T10]      ip6_dst_alloc+0x23/0x90
[ 6737.074890][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6737.074890][   T10]      ip6_pol_route+0x56f/0x840
[ 6737.074890][   T10]      fib6_rule_lookup+0x456/0x630
[ 6737.074890][   T10]      ip6_route_input+0x59c/0xa50
[ 6737.074890][   T10]      ipv6_rcv+0x397/0x810
[ 6737.074890][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6737.074890][   T10]      process_backlog+0x101/0x620
[ 6737.074890][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6737.074890][   T10]      net_rx_action+0x495/0xbe0
[ 6737.074890][   T10]      __do_softirq+0x1b5/0x7f6
[ 6737.074890][   T10] 
[ 6737.076478][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.076478][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.076478][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.076478][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.076478][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6737.076478][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6737.076478][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6737.076478][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6737.076478][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6737.076478][   T10]      addrconf_dad_begin+0x310/0x670
[ 6737.076478][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6737.076478][   T10]      process_one_work+0x84d/0x18a0
[ 6737.076478][   T10]      worker_thread+0x587/0xd30
[ 6737.076478][   T10]      kthread+0x28a/0x350
[ 6737.076478][   T10]      ret_from_fork+0x31/0x70
[ 6737.076478][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6737.076478][   T10] 
[ 6737.078375][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.078375][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.078375][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.078375][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.078375][   T10]      ip6_route_add+0x1c/0x140
[ 6737.078375][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6737.078375][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6737.078375][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.078375][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.078375][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.078375][   T10]      netlink_unicast+0x449/0x710
[ 6737.078375][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.078375][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.078375][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.078375][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.078375][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.078375][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.078375][   T10] 
[ 6737.080402][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.080402][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.080402][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.080402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.080402][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6737.080402][   T10]      ipv6_add_addr+0x411/0x2000
[ 6737.080402][   T10]      inet6_addr_add+0x30e/0xa40
[ 6737.080402][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.080402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.080402][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.080402][   T10]      netlink_unicast+0x449/0x710
[ 6737.080402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.080402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.080402][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.080402][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.080402][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.080402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.080402][   T10] 
[ 6737.082387][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.082387][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.082387][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.082387][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.082387][   T10]      ip6_route_add+0x1c/0x140
[ 6737.082387][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6737.082387][   T10]      addrconf_add_dev+0xe2/0x170
[ 6737.082387][   T10]      inet6_addr_add+0x12f/0xa40
[ 6737.082387][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.082387][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.082387][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.082387][   T10]      netlink_unicast+0x449/0x710
[ 6737.082387][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.082387][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.082387][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.082387][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.082387][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.082387][   T10] 
[ 6737.084548][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.084548][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6737.084548][   T10]      ipv6_find_idev+0x102/0x170
[ 6737.084548][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6737.084548][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.084548][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.084548][   T10]      netlink_unicast+0x449/0x710
[ 6737.084548][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.084548][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.084548][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.084548][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.084548][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.084548][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.084548][   T10] 
[ 6737.086337][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6737.086337][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6737.086337][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6737.086337][   T10]      ipv6_find_idev+0x102/0x170
[ 6737.086337][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6737.086337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.086337][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.086337][   T10]      netlink_unicast+0x449/0x710
[ 6737.086337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.086337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.086337][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.086337][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.086337][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.086337][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.086337][   T10] 
[ 6737.088194][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6737.088428][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6737.088428][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.088428][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.088428][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.088428][   T10]      ip6_route_add+0x1c/0x140
[ 6737.088428][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6737.088428][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6737.088428][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.088428][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.088428][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.088428][   T10]      netlink_unicast+0x449/0x710
[ 6737.088428][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.088428][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.088428][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.088428][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.088428][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.088428][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.088428][   T10] 
[ 6737.090686][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6737.090686][   T10]      netdev_get_by_index+0x5e/0x80
[ 6737.090686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6737.090686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6737.090686][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6737.090686][   T10]      ipv6_add_addr+0x411/0x2000
[ 6737.090686][   T10]      inet6_addr_add+0x30e/0xa40
[ 6737.090686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6737.090686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.090686][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.090686][   T10]      netlink_unicast+0x449/0x710
[ 6737.090686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.090686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.090686][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.090686][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.090686][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.090686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.090686][   T10] 
[ 6737.092878][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6737.092878][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6737.092878][   T10]      ipv6_find_idev+0x102/0x170
[ 6737.092878][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6737.092878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.092878][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.092878][   T10]      netlink_unicast+0x449/0x710
[ 6737.092878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.092878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.092878][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.092878][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.092878][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.092878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.092878][   T10] 
[ 6737.094651][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6737.094651][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6737.094651][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6737.094651][   T10]      ipv6_find_idev+0x102/0x170
[ 6737.094651][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6737.094651][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6737.094651][   T10]      netlink_rcv_skb+0x130/0x360
[ 6737.094651][   T10]      netlink_unicast+0x449/0x710
[ 6737.094651][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6737.094651][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6737.094651][   T10]      ___sys_sendmsg+0xee/0x170
[ 6737.094651][   T10]      __sys_sendmsg+0xcd/0x170
[ 6737.094651][   T10]      do_syscall_64+0xc6/0x1e0
[ 6737.094651][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6737.094651][   T10] 
[ 6747.336790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6747.337433][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.337433][   T10]      dst_init+0x84/0x4a0
[ 6747.337433][   T10]      dst_alloc+0x97/0x150
[ 6747.337433][   T10]      ip6_dst_alloc+0x23/0x90
[ 6747.337433][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6747.337433][   T10]      ip6_pol_route+0x56f/0x840
[ 6747.337433][   T10]      fib6_rule_lookup+0x456/0x630
[ 6747.337433][   T10]      ip6_route_input+0x59c/0xa50
[ 6747.337433][   T10]      ipv6_rcv+0x397/0x810
[ 6747.337433][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6747.337433][   T10]      process_backlog+0x101/0x620
[ 6747.337433][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6747.337433][   T10]      net_rx_action+0x495/0xbe0
[ 6747.337433][   T10]      __do_softirq+0x1b5/0x7f6
[ 6747.337433][   T10] 
[ 6747.339048][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.339048][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6747.339048][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6747.339048][   T10]      fib6_nh_init+0xa22/0x1580
[ 6747.339048][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.339048][   T10]      ip6_route_add+0x1c/0x140
[ 6747.339048][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6747.339048][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.339048][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.339048][   T10]      netlink_unicast+0x449/0x710
[ 6747.339048][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.339048][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.339048][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.339048][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.339048][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.339048][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.339048][   T10] 
[ 6747.340894][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.340894][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.340894][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.340894][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.340894][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6747.340894][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6747.340894][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6747.340894][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6747.340894][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6747.340894][   T10]      addrconf_dad_begin+0x310/0x670
[ 6747.340894][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6747.340894][   T10]      process_one_work+0x84d/0x18a0
[ 6747.340894][   T10]      worker_thread+0x587/0xd30
[ 6747.340894][   T10]      kthread+0x28a/0x350
[ 6747.340894][   T10]      ret_from_fork+0x31/0x70
[ 6747.340894][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6747.340894][   T10] 
[ 6747.342757][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.342757][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.342757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.342757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.342757][   T10]      ip6_route_add+0x1c/0x140
[ 6747.342757][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6747.342757][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6747.342757][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.342757][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.342757][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.342757][   T10]      netlink_unicast+0x449/0x710
[ 6747.342757][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.342757][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.342757][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.342757][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.342757][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.342757][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.342757][   T10] 
[ 6747.344713][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.344713][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.344713][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.344713][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.344713][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6747.344713][   T10]      ipv6_add_addr+0x411/0x2000
[ 6747.344713][   T10]      inet6_addr_add+0x30e/0xa40
[ 6747.344713][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.344713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.344713][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.344713][   T10]      netlink_unicast+0x449/0x710
[ 6747.344713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.344713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.344713][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.344713][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.344713][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.344713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.344713][   T10] 
[ 6747.346668][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.346668][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.346668][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.346668][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.346668][   T10]      ip6_route_add+0x1c/0x140
[ 6747.346668][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6747.346668][   T10]      addrconf_add_dev+0xe2/0x170
[ 6747.346668][   T10]      inet6_addr_add+0x12f/0xa40
[ 6747.346668][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.346668][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.346668][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.346668][   T10]      netlink_unicast+0x449/0x710
[ 6747.346668][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.346668][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.346668][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.346668][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.346668][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.346668][   T10] 
[ 6747.348662][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.348662][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6747.348662][   T10]      ipv6_find_idev+0x102/0x170
[ 6747.348662][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6747.348662][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.348662][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.348662][   T10]      netlink_unicast+0x449/0x710
[ 6747.348662][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.348662][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.348662][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.348662][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.348662][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.348662][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.348662][   T10] 
[ 6747.350215][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6747.350215][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6747.350215][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6747.350215][   T10]      ipv6_find_idev+0x102/0x170
[ 6747.350215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6747.350215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.350215][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.350215][   T10]      netlink_unicast+0x449/0x710
[ 6747.350215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.350215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.350215][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.350215][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.350215][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.350215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.350215][   T10] 
[ 6747.351907][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6747.352176][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.352176][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6747.352176][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6747.352176][   T10]      fib6_nh_init+0xa22/0x1580
[ 6747.352176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.352176][   T10]      ip6_route_add+0x1c/0x140
[ 6747.352176][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6747.352176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.352176][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.352176][   T10]      netlink_unicast+0x449/0x710
[ 6747.352176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.352176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.352176][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.352176][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.352176][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.352176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.352176][   T10] 
[ 6747.354040][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.354040][   T10]      dst_init+0x84/0x4a0
[ 6747.354040][   T10]      dst_alloc+0x97/0x150
[ 6747.354040][   T10]      ip6_dst_alloc+0x23/0x90
[ 6747.354040][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6747.354040][   T10]      ip6_pol_route+0x56f/0x840
[ 6747.354040][   T10]      fib6_rule_lookup+0x456/0x630
[ 6747.354040][   T10]      ip6_route_input+0x59c/0xa50
[ 6747.354040][   T10]      ipv6_rcv+0x397/0x810
[ 6747.354040][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6747.354040][   T10]      process_backlog+0x101/0x620
[ 6747.354040][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6747.354040][   T10]      net_rx_action+0x495/0xbe0
[ 6747.354040][   T10]      __do_softirq+0x1b5/0x7f6
[ 6747.354040][   T10] 
[ 6747.355681][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.355681][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.355681][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.355681][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.355681][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6747.355681][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6747.355681][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6747.355681][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6747.355681][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6747.355681][   T10]      addrconf_dad_begin+0x310/0x670
[ 6747.355681][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6747.355681][   T10]      process_one_work+0x84d/0x18a0
[ 6747.355681][   T10]      worker_thread+0x587/0xd30
[ 6747.355681][   T10]      kthread+0x28a/0x350
[ 6747.355681][   T10]      ret_from_fork+0x31/0x70
[ 6747.355681][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6747.355681][   T10] 
[ 6747.357564][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.357564][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.357564][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.357564][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.357564][   T10]      ip6_route_add+0x1c/0x140
[ 6747.357564][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6747.357564][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6747.357564][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.357564][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.357564][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.357564][   T10]      netlink_unicast+0x449/0x710
[ 6747.357564][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.357564][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.357564][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.357564][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.357564][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.357564][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.357564][   T10] 
[ 6747.359566][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.359566][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.359566][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.359566][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.359566][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6747.359566][   T10]      ipv6_add_addr+0x411/0x2000
[ 6747.359566][   T10]      inet6_addr_add+0x30e/0xa40
[ 6747.359566][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.359566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.359566][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.359566][   T10]      netlink_unicast+0x449/0x710
[ 6747.359566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.359566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.359566][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.359566][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.359566][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.359566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.359566][   T10] 
[ 6747.361583][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.361583][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.361583][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.361583][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.361583][   T10]      ip6_route_add+0x1c/0x140
[ 6747.361583][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6747.361583][   T10]      addrconf_add_dev+0xe2/0x170
[ 6747.361583][   T10]      inet6_addr_add+0x12f/0xa40
[ 6747.361583][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.361583][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.361583][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.361583][   T10]      netlink_unicast+0x449/0x710
[ 6747.361583][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.361583][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.361583][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.361583][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.361583][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.361583][   T10] 
[ 6747.363675][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.363675][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6747.363675][   T10]      ipv6_find_idev+0x102/0x170
[ 6747.363675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6747.363675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.363675][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.363675][   T10]      netlink_unicast+0x449/0x710
[ 6747.363675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.363675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.363675][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.363675][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.363675][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.363675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.363675][   T10] 
[ 6747.365386][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6747.365386][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6747.365386][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6747.365386][   T10]      ipv6_find_idev+0x102/0x170
[ 6747.365386][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6747.365386][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.365386][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.365386][   T10]      netlink_unicast+0x449/0x710
[ 6747.365386][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.365386][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.365386][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.365386][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.365386][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.365386][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.365386][   T10] 
[ 6747.367309][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6747.367551][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6747.367551][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.367551][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.367551][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.367551][   T10]      ip6_route_add+0x1c/0x140
[ 6747.367551][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6747.367551][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6747.367551][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.367551][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.367551][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.367551][   T10]      netlink_unicast+0x449/0x710
[ 6747.367551][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.367551][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.367551][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.367551][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.367551][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.367551][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.367551][   T10] 
[ 6747.369795][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6747.369795][   T10]      netdev_get_by_index+0x5e/0x80
[ 6747.369795][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6747.369795][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6747.369795][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6747.369795][   T10]      ipv6_add_addr+0x411/0x2000
[ 6747.369795][   T10]      inet6_addr_add+0x30e/0xa40
[ 6747.369795][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6747.369795][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.369795][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.369795][   T10]      netlink_unicast+0x449/0x710
[ 6747.369795][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.369795][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.369795][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.369795][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.369795][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.369795][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.369795][   T10] 
[ 6747.371972][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6747.371972][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6747.371972][   T10]      ipv6_find_idev+0x102/0x170
[ 6747.371972][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6747.371972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.371972][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.371972][   T10]      netlink_unicast+0x449/0x710
[ 6747.371972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.371972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.371972][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.371972][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.371972][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.371972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.371972][   T10] 
[ 6747.373688][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6747.373688][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6747.373688][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6747.373688][   T10]      ipv6_find_idev+0x102/0x170
[ 6747.373688][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6747.373688][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6747.373688][   T10]      netlink_rcv_skb+0x130/0x360
[ 6747.373688][   T10]      netlink_unicast+0x449/0x710
[ 6747.373688][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6747.373688][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6747.373688][   T10]      ___sys_sendmsg+0xee/0x170
[ 6747.373688][   T10]      __sys_sendmsg+0xcd/0x170
[ 6747.373688][   T10]      do_syscall_64+0xc6/0x1e0
[ 6747.373688][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6747.373688][   T10] 
[ 6757.616764][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6757.617520][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.617520][   T10]      dst_init+0x84/0x4a0
[ 6757.617520][   T10]      dst_alloc+0x97/0x150
[ 6757.617520][   T10]      ip6_dst_alloc+0x23/0x90
[ 6757.617520][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6757.617520][   T10]      ip6_pol_route+0x56f/0x840
[ 6757.617520][   T10]      fib6_rule_lookup+0x456/0x630
[ 6757.617520][   T10]      ip6_route_input+0x59c/0xa50
[ 6757.617520][   T10]      ipv6_rcv+0x397/0x810
[ 6757.617520][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6757.617520][   T10]      process_backlog+0x101/0x620
[ 6757.617520][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6757.617520][   T10]      net_rx_action+0x495/0xbe0
[ 6757.617520][   T10]      __do_softirq+0x1b5/0x7f6
[ 6757.617520][   T10] 
[ 6757.619241][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.619241][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6757.619241][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6757.619241][   T10]      fib6_nh_init+0xa22/0x1580
[ 6757.619241][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.619241][   T10]      ip6_route_add+0x1c/0x140
[ 6757.619241][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6757.619241][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.619241][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.619241][   T10]      netlink_unicast+0x449/0x710
[ 6757.619241][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.619241][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.619241][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.619241][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.619241][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.619241][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.619241][   T10] 
[ 6757.621249][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.621249][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.621249][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.621249][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.621249][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6757.621249][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6757.621249][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6757.621249][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6757.621249][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6757.621249][   T10]      addrconf_dad_begin+0x310/0x670
[ 6757.621249][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6757.621249][   T10]      process_one_work+0x84d/0x18a0
[ 6757.621249][   T10]      worker_thread+0x587/0xd30
[ 6757.621249][   T10]      kthread+0x28a/0x350
[ 6757.621249][   T10]      ret_from_fork+0x31/0x70
[ 6757.621249][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6757.621249][   T10] 
[ 6757.623162][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.623162][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.623162][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.623162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.623162][   T10]      ip6_route_add+0x1c/0x140
[ 6757.623162][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6757.623162][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6757.623162][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.623162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.623162][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.623162][   T10]      netlink_unicast+0x449/0x710
[ 6757.623162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.623162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.623162][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.623162][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.623162][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.623162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.623162][   T10] 
[ 6757.625158][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.625158][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.625158][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.625158][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.625158][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6757.625158][   T10]      ipv6_add_addr+0x411/0x2000
[ 6757.625158][   T10]      inet6_addr_add+0x30e/0xa40
[ 6757.625158][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.625158][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.625158][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.625158][   T10]      netlink_unicast+0x449/0x710
[ 6757.625158][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.625158][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.625158][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.625158][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.625158][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.625158][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.625158][   T10] 
[ 6757.627136][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.627136][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.627136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.627136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.627136][   T10]      ip6_route_add+0x1c/0x140
[ 6757.627136][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6757.627136][   T10]      addrconf_add_dev+0xe2/0x170
[ 6757.627136][   T10]      inet6_addr_add+0x12f/0xa40
[ 6757.627136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.627136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.627136][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.627136][   T10]      netlink_unicast+0x449/0x710
[ 6757.627136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.627136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.627136][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.627136][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.627136][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.627136][   T10] 
[ 6757.629073][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.629073][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6757.629073][   T10]      ipv6_find_idev+0x102/0x170
[ 6757.629073][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6757.629073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.629073][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.629073][   T10]      netlink_unicast+0x449/0x710
[ 6757.629073][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.629073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.629073][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.629073][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.629073][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.629073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.629073][   T10] 
[ 6757.630631][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6757.630631][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6757.630631][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6757.630631][   T10]      ipv6_find_idev+0x102/0x170
[ 6757.630631][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6757.630631][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.630631][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.630631][   T10]      netlink_unicast+0x449/0x710
[ 6757.630631][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.630631][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.630631][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.630631][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.630631][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.630631][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.630631][   T10] 
[ 6757.632393][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6757.632654][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.632654][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6757.632654][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6757.632654][   T10]      fib6_nh_init+0xa22/0x1580
[ 6757.632654][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.632654][   T10]      ip6_route_add+0x1c/0x140
[ 6757.632654][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6757.632654][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.632654][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.632654][   T10]      netlink_unicast+0x449/0x710
[ 6757.632654][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.632654][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.632654][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.632654][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.632654][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.632654][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.632654][   T10] 
[ 6757.634566][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.634566][   T10]      dst_init+0x84/0x4a0
[ 6757.634566][   T10]      dst_alloc+0x97/0x150
[ 6757.634566][   T10]      ip6_dst_alloc+0x23/0x90
[ 6757.634566][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6757.634566][   T10]      ip6_pol_route+0x56f/0x840
[ 6757.634566][   T10]      fib6_rule_lookup+0x456/0x630
[ 6757.634566][   T10]      ip6_route_input+0x59c/0xa50
[ 6757.634566][   T10]      ipv6_rcv+0x397/0x810
[ 6757.634566][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6757.634566][   T10]      process_backlog+0x101/0x620
[ 6757.634566][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6757.634566][   T10]      net_rx_action+0x495/0xbe0
[ 6757.634566][   T10]      __do_softirq+0x1b5/0x7f6
[ 6757.634566][   T10] 
[ 6757.636267][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.636267][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.636267][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.636267][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.636267][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6757.636267][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6757.636267][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6757.636267][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6757.636267][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6757.636267][   T10]      addrconf_dad_begin+0x310/0x670
[ 6757.636267][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6757.636267][   T10]      process_one_work+0x84d/0x18a0
[ 6757.636267][   T10]      worker_thread+0x587/0xd30
[ 6757.636267][   T10]      kthread+0x28a/0x350
[ 6757.636267][   T10]      ret_from_fork+0x31/0x70
[ 6757.636267][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6757.636267][   T10] 
[ 6757.638239][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.638239][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.638239][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.638239][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.638239][   T10]      ip6_route_add+0x1c/0x140
[ 6757.638239][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6757.638239][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6757.638239][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.638239][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.638239][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.638239][   T10]      netlink_unicast+0x449/0x710
[ 6757.638239][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.638239][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.638239][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.638239][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.638239][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.638239][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.638239][   T10] 
[ 6757.640271][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.640271][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.640271][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.640271][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.640271][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6757.640271][   T10]      ipv6_add_addr+0x411/0x2000
[ 6757.640271][   T10]      inet6_addr_add+0x30e/0xa40
[ 6757.640271][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.640271][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.640271][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.640271][   T10]      netlink_unicast+0x449/0x710
[ 6757.640271][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.640271][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.640271][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.640271][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.640271][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.640271][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.640271][   T10] 
[ 6757.642304][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.642304][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.642304][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.642304][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.642304][   T10]      ip6_route_add+0x1c/0x140
[ 6757.642304][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6757.642304][   T10]      addrconf_add_dev+0xe2/0x170
[ 6757.642304][   T10]      inet6_addr_add+0x12f/0xa40
[ 6757.642304][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.642304][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.642304][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.642304][   T10]      netlink_unicast+0x449/0x710
[ 6757.642304][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.642304][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.642304][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.642304][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.642304][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.642304][   T10] 
[ 6757.644486][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.644486][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6757.644486][   T10]      ipv6_find_idev+0x102/0x170
[ 6757.644486][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6757.644486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.644486][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.644486][   T10]      netlink_unicast+0x449/0x710
[ 6757.644486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.644486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.644486][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.644486][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.644486][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.644486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.644486][   T10] 
[ 6757.646308][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6757.646308][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6757.646308][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6757.646308][   T10]      ipv6_find_idev+0x102/0x170
[ 6757.646308][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6757.646308][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.646308][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.646308][   T10]      netlink_unicast+0x449/0x710
[ 6757.646308][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.646308][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.646308][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.646308][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.646308][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.646308][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.646308][   T10] 
[ 6757.648238][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6757.648486][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6757.648486][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.648486][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.648486][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.648486][   T10]      ip6_route_add+0x1c/0x140
[ 6757.648486][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6757.648486][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6757.648486][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.648486][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.648486][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.648486][   T10]      netlink_unicast+0x449/0x710
[ 6757.648486][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.648486][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.648486][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.648486][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.648486][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.648486][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.648486][   T10] 
[ 6757.650745][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6757.650745][   T10]      netdev_get_by_index+0x5e/0x80
[ 6757.650745][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6757.650745][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6757.650745][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6757.650745][   T10]      ipv6_add_addr+0x411/0x2000
[ 6757.650745][   T10]      inet6_addr_add+0x30e/0xa40
[ 6757.650745][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6757.650745][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.650745][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.650745][   T10]      netlink_unicast+0x449/0x710
[ 6757.650745][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.650745][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.650745][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.650745][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.650745][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.650745][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.650745][   T10] 
[ 6757.653014][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6757.653014][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6757.653014][   T10]      ipv6_find_idev+0x102/0x170
[ 6757.653014][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6757.653014][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.653014][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.653014][   T10]      netlink_unicast+0x449/0x710
[ 6757.653014][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.653014][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.653014][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.653014][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.653014][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.653014][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.653014][   T10] 
[ 6757.654841][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6757.654841][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6757.654841][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6757.654841][   T10]      ipv6_find_idev+0x102/0x170
[ 6757.654841][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6757.654841][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6757.654841][   T10]      netlink_rcv_skb+0x130/0x360
[ 6757.654841][   T10]      netlink_unicast+0x449/0x710
[ 6757.654841][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6757.654841][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6757.654841][   T10]      ___sys_sendmsg+0xee/0x170
[ 6757.654841][   T10]      __sys_sendmsg+0xcd/0x170
[ 6757.654841][   T10]      do_syscall_64+0xc6/0x1e0
[ 6757.654841][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6757.654841][   T10] 
[ 6767.864765][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6767.865621][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.865621][   T10]      dst_init+0x84/0x4a0
[ 6767.865621][   T10]      dst_alloc+0x97/0x150
[ 6767.865621][   T10]      ip6_dst_alloc+0x23/0x90
[ 6767.865621][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6767.865621][   T10]      ip6_pol_route+0x56f/0x840
[ 6767.865621][   T10]      fib6_rule_lookup+0x456/0x630
[ 6767.865621][   T10]      ip6_route_input+0x59c/0xa50
[ 6767.865621][   T10]      ipv6_rcv+0x397/0x810
[ 6767.865621][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6767.865621][   T10]      process_backlog+0x101/0x620
[ 6767.865621][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6767.865621][   T10]      net_rx_action+0x495/0xbe0
[ 6767.865621][   T10]      __do_softirq+0x1b5/0x7f6
[ 6767.865621][   T10] 
[ 6767.867193][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.867193][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6767.867193][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6767.867193][   T10]      fib6_nh_init+0xa22/0x1580
[ 6767.867193][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.867193][   T10]      ip6_route_add+0x1c/0x140
[ 6767.867193][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6767.867193][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.867193][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.867193][   T10]      netlink_unicast+0x449/0x710
[ 6767.867193][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.867193][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.867193][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.867193][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.867193][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.867193][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.867193][   T10] 
[ 6767.868971][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.868971][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.868971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.868971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.868971][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6767.868971][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6767.868971][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6767.868971][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6767.868971][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6767.868971][   T10]      addrconf_dad_begin+0x310/0x670
[ 6767.868971][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6767.868971][   T10]      process_one_work+0x84d/0x18a0
[ 6767.868971][   T10]      worker_thread+0x587/0xd30
[ 6767.868971][   T10]      kthread+0x28a/0x350
[ 6767.868971][   T10]      ret_from_fork+0x31/0x70
[ 6767.868971][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6767.868971][   T10] 
[ 6767.870829][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.870829][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.870829][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.870829][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.870829][   T10]      ip6_route_add+0x1c/0x140
[ 6767.870829][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6767.870829][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6767.870829][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.870829][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.870829][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.870829][   T10]      netlink_unicast+0x449/0x710
[ 6767.870829][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.870829][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.870829][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.870829][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.870829][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.870829][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.870829][   T10] 
[ 6767.872892][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.872892][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.872892][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.872892][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.872892][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6767.872892][   T10]      ipv6_add_addr+0x411/0x2000
[ 6767.872892][   T10]      inet6_addr_add+0x30e/0xa40
[ 6767.872892][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.872892][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.872892][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.872892][   T10]      netlink_unicast+0x449/0x710
[ 6767.872892][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.872892][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.872892][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.872892][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.872892][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.872892][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.872892][   T10] 
[ 6767.874928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.874928][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.874928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.874928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.874928][   T10]      ip6_route_add+0x1c/0x140
[ 6767.874928][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6767.874928][   T10]      addrconf_add_dev+0xe2/0x170
[ 6767.874928][   T10]      inet6_addr_add+0x12f/0xa40
[ 6767.874928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.874928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.874928][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.874928][   T10]      netlink_unicast+0x449/0x710
[ 6767.874928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.874928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.874928][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.874928][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.874928][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.874928][   T10] 
[ 6767.876824][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.876824][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6767.876824][   T10]      ipv6_find_idev+0x102/0x170
[ 6767.876824][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6767.876824][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.876824][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.876824][   T10]      netlink_unicast+0x449/0x710
[ 6767.876824][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.876824][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.876824][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.876824][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.876824][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.876824][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.876824][   T10] 
[ 6767.878309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6767.878309][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6767.878309][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6767.878309][   T10]      ipv6_find_idev+0x102/0x170
[ 6767.878309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6767.878309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.878309][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.878309][   T10]      netlink_unicast+0x449/0x710
[ 6767.878309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.878309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.878309][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.878309][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.878309][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.878309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.878309][   T10] 
[ 6767.879980][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6767.880235][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.880235][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6767.880235][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6767.880235][   T10]      fib6_nh_init+0xa22/0x1580
[ 6767.880235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.880235][   T10]      ip6_route_add+0x1c/0x140
[ 6767.880235][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6767.880235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.880235][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.880235][   T10]      netlink_unicast+0x449/0x710
[ 6767.880235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.880235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.880235][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.880235][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.880235][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.880235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.880235][   T10] 
[ 6767.882085][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.882085][   T10]      dst_init+0x84/0x4a0
[ 6767.882085][   T10]      dst_alloc+0x97/0x150
[ 6767.882085][   T10]      ip6_dst_alloc+0x23/0x90
[ 6767.882085][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6767.882085][   T10]      ip6_pol_route+0x56f/0x840
[ 6767.882085][   T10]      fib6_rule_lookup+0x456/0x630
[ 6767.882085][   T10]      ip6_route_input+0x59c/0xa50
[ 6767.882085][   T10]      ipv6_rcv+0x397/0x810
[ 6767.882085][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6767.882085][   T10]      process_backlog+0x101/0x620
[ 6767.882085][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6767.882085][   T10]      net_rx_action+0x495/0xbe0
[ 6767.882085][   T10]      __do_softirq+0x1b5/0x7f6
[ 6767.882085][   T10] 
[ 6767.883626][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.883626][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.883626][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.883626][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.883626][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6767.883626][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6767.883626][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6767.883626][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6767.883626][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6767.883626][   T10]      addrconf_dad_begin+0x310/0x670
[ 6767.883626][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6767.883626][   T10]      process_one_work+0x84d/0x18a0
[ 6767.883626][   T10]      worker_thread+0x587/0xd30
[ 6767.883626][   T10]      kthread+0x28a/0x350
[ 6767.883626][   T10]      ret_from_fork+0x31/0x70
[ 6767.883626][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6767.883626][   T10] 
[ 6767.885426][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.885426][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.885426][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.885426][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.885426][   T10]      ip6_route_add+0x1c/0x140
[ 6767.885426][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6767.885426][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6767.885426][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.885426][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.885426][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.885426][   T10]      netlink_unicast+0x449/0x710
[ 6767.885426][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.885426][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.885426][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.885426][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.885426][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.885426][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.885426][   T10] 
[ 6767.887389][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.887389][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.887389][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.887389][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.887389][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6767.887389][   T10]      ipv6_add_addr+0x411/0x2000
[ 6767.887389][   T10]      inet6_addr_add+0x30e/0xa40
[ 6767.887389][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.887389][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.887389][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.887389][   T10]      netlink_unicast+0x449/0x710
[ 6767.887389][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.887389][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.887389][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.887389][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.887389][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.887389][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.887389][   T10] 
[ 6767.889369][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.889369][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.889369][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.889369][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.889369][   T10]      ip6_route_add+0x1c/0x140
[ 6767.889369][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6767.889369][   T10]      addrconf_add_dev+0xe2/0x170
[ 6767.889369][   T10]      inet6_addr_add+0x12f/0xa40
[ 6767.889369][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.889369][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.889369][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.889369][   T10]      netlink_unicast+0x449/0x710
[ 6767.889369][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.889369][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.889369][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.889369][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.889369][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.889369][   T10] 
[ 6767.892000][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.892000][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6767.892000][   T10]      ipv6_find_idev+0x102/0x170
[ 6767.892000][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6767.892000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.892000][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.892000][   T10]      netlink_unicast+0x449/0x710
[ 6767.892000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.892000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.892000][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.892000][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.892000][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.892000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.892000][   T10] 
[ 6767.893750][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6767.893750][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6767.893750][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6767.893750][   T10]      ipv6_find_idev+0x102/0x170
[ 6767.893750][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6767.893750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.893750][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.893750][   T10]      netlink_unicast+0x449/0x710
[ 6767.893750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.893750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.893750][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.893750][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.893750][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.893750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.893750][   T10] 
[ 6767.895738][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6767.895984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6767.895984][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.895984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.895984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.895984][   T10]      ip6_route_add+0x1c/0x140
[ 6767.895984][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6767.895984][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6767.895984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.895984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.895984][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.895984][   T10]      netlink_unicast+0x449/0x710
[ 6767.895984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.895984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.895984][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.895984][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.895984][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.895984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.895984][   T10] 
[ 6767.898291][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6767.898291][   T10]      netdev_get_by_index+0x5e/0x80
[ 6767.898291][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6767.898291][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6767.898291][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6767.898291][   T10]      ipv6_add_addr+0x411/0x2000
[ 6767.898291][   T10]      inet6_addr_add+0x30e/0xa40
[ 6767.898291][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6767.898291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.898291][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.898291][   T10]      netlink_unicast+0x449/0x710
[ 6767.898291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.898291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.898291][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.898291][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.898291][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.898291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.898291][   T10] 
[ 6767.900582][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6767.900582][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6767.900582][   T10]      ipv6_find_idev+0x102/0x170
[ 6767.900582][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6767.900582][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.900582][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.900582][   T10]      netlink_unicast+0x449/0x710
[ 6767.900582][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.900582][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.900582][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.900582][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.900582][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.900582][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.900582][   T10] 
[ 6767.902347][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6767.902347][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6767.902347][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6767.902347][   T10]      ipv6_find_idev+0x102/0x170
[ 6767.902347][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6767.902347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6767.902347][   T10]      netlink_rcv_skb+0x130/0x360
[ 6767.902347][   T10]      netlink_unicast+0x449/0x710
[ 6767.902347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6767.902347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6767.902347][   T10]      ___sys_sendmsg+0xee/0x170
[ 6767.902347][   T10]      __sys_sendmsg+0xcd/0x170
[ 6767.902347][   T10]      do_syscall_64+0xc6/0x1e0
[ 6767.902347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6767.902347][   T10] 
[ 6778.008774][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6778.009595][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.009595][   T10]      dst_init+0x84/0x4a0
[ 6778.009595][   T10]      dst_alloc+0x97/0x150
[ 6778.009595][   T10]      ip6_dst_alloc+0x23/0x90
[ 6778.009595][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6778.009595][   T10]      ip6_pol_route+0x56f/0x840
[ 6778.009595][   T10]      fib6_rule_lookup+0x456/0x630
[ 6778.009595][   T10]      ip6_route_input+0x59c/0xa50
[ 6778.009595][   T10]      ipv6_rcv+0x397/0x810
[ 6778.009595][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6778.009595][   T10]      process_backlog+0x101/0x620
[ 6778.009595][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6778.009595][   T10]      net_rx_action+0x495/0xbe0
[ 6778.009595][   T10]      __do_softirq+0x1b5/0x7f6
[ 6778.009595][   T10] 
[ 6778.011225][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.011225][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6778.011225][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6778.011225][   T10]      fib6_nh_init+0xa22/0x1580
[ 6778.011225][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.011225][   T10]      ip6_route_add+0x1c/0x140
[ 6778.011225][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6778.011225][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.011225][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.011225][   T10]      netlink_unicast+0x449/0x710
[ 6778.011225][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.011225][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.011225][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.011225][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.011225][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.011225][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.011225][   T10] 
[ 6778.013064][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.013064][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.013064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.013064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.013064][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6778.013064][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6778.013064][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6778.013064][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6778.013064][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6778.013064][   T10]      addrconf_dad_begin+0x310/0x670
[ 6778.013064][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6778.013064][   T10]      process_one_work+0x84d/0x18a0
[ 6778.013064][   T10]      worker_thread+0x587/0xd30
[ 6778.013064][   T10]      kthread+0x28a/0x350
[ 6778.013064][   T10]      ret_from_fork+0x31/0x70
[ 6778.013064][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6778.013064][   T10] 
[ 6778.014938][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.014938][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.014938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.014938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.014938][   T10]      ip6_route_add+0x1c/0x140
[ 6778.014938][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6778.014938][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6778.014938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.014938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.014938][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.014938][   T10]      netlink_unicast+0x449/0x710
[ 6778.014938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.014938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.014938][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.014938][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.014938][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.014938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.014938][   T10] 
[ 6778.016886][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.016886][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.016886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.016886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.016886][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6778.016886][   T10]      ipv6_add_addr+0x411/0x2000
[ 6778.016886][   T10]      inet6_addr_add+0x30e/0xa40
[ 6778.016886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.016886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.016886][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.016886][   T10]      netlink_unicast+0x449/0x710
[ 6778.016886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.016886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.016886][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.016886][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.016886][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.016886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.016886][   T10] 
[ 6778.018844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.018844][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.018844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.018844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.018844][   T10]      ip6_route_add+0x1c/0x140
[ 6778.018844][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6778.018844][   T10]      addrconf_add_dev+0xe2/0x170
[ 6778.018844][   T10]      inet6_addr_add+0x12f/0xa40
[ 6778.018844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.018844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.018844][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.018844][   T10]      netlink_unicast+0x449/0x710
[ 6778.018844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.018844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.018844][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.018844][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.018844][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.018844][   T10] 
[ 6778.020753][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.020753][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6778.020753][   T10]      ipv6_find_idev+0x102/0x170
[ 6778.020753][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6778.020753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.020753][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.020753][   T10]      netlink_unicast+0x449/0x710
[ 6778.020753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.020753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.020753][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.020753][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.020753][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.020753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.020753][   T10] 
[ 6778.022295][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6778.022295][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6778.022295][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6778.022295][   T10]      ipv6_find_idev+0x102/0x170
[ 6778.022295][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6778.022295][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.022295][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.022295][   T10]      netlink_unicast+0x449/0x710
[ 6778.022295][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.022295][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.022295][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.022295][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.022295][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.022295][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.022295][   T10] 
[ 6778.023987][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6778.024258][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.024258][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6778.024258][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6778.024258][   T10]      fib6_nh_init+0xa22/0x1580
[ 6778.024258][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.024258][   T10]      ip6_route_add+0x1c/0x140
[ 6778.024258][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6778.024258][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.024258][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.024258][   T10]      netlink_unicast+0x449/0x710
[ 6778.024258][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.024258][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.024258][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.024258][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.024258][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.024258][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.024258][   T10] 
[ 6778.026147][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.026147][   T10]      dst_init+0x84/0x4a0
[ 6778.026147][   T10]      dst_alloc+0x97/0x150
[ 6778.026147][   T10]      ip6_dst_alloc+0x23/0x90
[ 6778.026147][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6778.026147][   T10]      ip6_pol_route+0x56f/0x840
[ 6778.026147][   T10]      fib6_rule_lookup+0x456/0x630
[ 6778.026147][   T10]      ip6_route_input+0x59c/0xa50
[ 6778.026147][   T10]      ipv6_rcv+0x397/0x810
[ 6778.026147][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6778.026147][   T10]      process_backlog+0x101/0x620
[ 6778.026147][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6778.026147][   T10]      net_rx_action+0x495/0xbe0
[ 6778.026147][   T10]      __do_softirq+0x1b5/0x7f6
[ 6778.026147][   T10] 
[ 6778.027783][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.027783][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.027783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.027783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.027783][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6778.027783][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6778.027783][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6778.027783][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6778.027783][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6778.027783][   T10]      addrconf_dad_begin+0x310/0x670
[ 6778.027783][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6778.027783][   T10]      process_one_work+0x84d/0x18a0
[ 6778.027783][   T10]      worker_thread+0x587/0xd30
[ 6778.027783][   T10]      kthread+0x28a/0x350
[ 6778.027783][   T10]      ret_from_fork+0x31/0x70
[ 6778.027783][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6778.027783][   T10] 
[ 6778.029687][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.029687][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.029687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.029687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.029687][   T10]      ip6_route_add+0x1c/0x140
[ 6778.029687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6778.029687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6778.029687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.029687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.029687][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.029687][   T10]      netlink_unicast+0x449/0x710
[ 6778.029687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.029687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.029687][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.029687][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.029687][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.029687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.029687][   T10] 
[ 6778.031686][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.031686][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.031686][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.031686][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.031686][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6778.031686][   T10]      ipv6_add_addr+0x411/0x2000
[ 6778.031686][   T10]      inet6_addr_add+0x30e/0xa40
[ 6778.031686][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.031686][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.031686][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.031686][   T10]      netlink_unicast+0x449/0x710
[ 6778.031686][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.031686][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.031686][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.031686][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.031686][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.031686][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.031686][   T10] 
[ 6778.033705][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.033705][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.033705][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.033705][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.033705][   T10]      ip6_route_add+0x1c/0x140
[ 6778.033705][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6778.033705][   T10]      addrconf_add_dev+0xe2/0x170
[ 6778.033705][   T10]      inet6_addr_add+0x12f/0xa40
[ 6778.033705][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.033705][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.033705][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.033705][   T10]      netlink_unicast+0x449/0x710
[ 6778.033705][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.033705][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.033705][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.033705][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.033705][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.033705][   T10] 
[ 6778.035856][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.035856][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6778.035856][   T10]      ipv6_find_idev+0x102/0x170
[ 6778.035856][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6778.035856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.035856][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.035856][   T10]      netlink_unicast+0x449/0x710
[ 6778.035856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.035856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.035856][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.035856][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.035856][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.035856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.035856][   T10] 
[ 6778.037634][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6778.037634][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6778.037634][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6778.037634][   T10]      ipv6_find_idev+0x102/0x170
[ 6778.037634][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6778.037634][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.037634][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.037634][   T10]      netlink_unicast+0x449/0x710
[ 6778.037634][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.037634][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.037634][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.037634][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.037634][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.037634][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.037634][   T10] 
[ 6778.039528][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6778.039790][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6778.039790][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.039790][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.039790][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.039790][   T10]      ip6_route_add+0x1c/0x140
[ 6778.039790][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6778.039790][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6778.039790][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.039790][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.039790][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.039790][   T10]      netlink_unicast+0x449/0x710
[ 6778.039790][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.039790][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.039790][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.039790][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.039790][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.039790][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.039790][   T10] 
[ 6778.042046][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6778.042046][   T10]      netdev_get_by_index+0x5e/0x80
[ 6778.042046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6778.042046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6778.042046][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6778.042046][   T10]      ipv6_add_addr+0x411/0x2000
[ 6778.042046][   T10]      inet6_addr_add+0x30e/0xa40
[ 6778.042046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6778.042046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.042046][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.042046][   T10]      netlink_unicast+0x449/0x710
[ 6778.042046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.042046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.042046][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.042046][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.042046][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.042046][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.042046][   T10] 
[ 6778.044217][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6778.044217][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6778.044217][   T10]      ipv6_find_idev+0x102/0x170
[ 6778.044217][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6778.044217][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.044217][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.044217][   T10]      netlink_unicast+0x449/0x710
[ 6778.044217][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.044217][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.044217][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.044217][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.044217][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.044217][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.044217][   T10] 
[ 6778.046009][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6778.046009][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6778.046009][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6778.046009][   T10]      ipv6_find_idev+0x102/0x170
[ 6778.046009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6778.046009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6778.046009][   T10]      netlink_rcv_skb+0x130/0x360
[ 6778.046009][   T10]      netlink_unicast+0x449/0x710
[ 6778.046009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6778.046009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6778.046009][   T10]      ___sys_sendmsg+0xee/0x170
[ 6778.046009][   T10]      __sys_sendmsg+0xcd/0x170
[ 6778.046009][   T10]      do_syscall_64+0xc6/0x1e0
[ 6778.046009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6778.046009][   T10] 
[ 6788.296821][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6788.297653][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.297653][   T10]      dst_init+0x84/0x4a0
[ 6788.297653][   T10]      dst_alloc+0x97/0x150
[ 6788.297653][   T10]      ip6_dst_alloc+0x23/0x90
[ 6788.297653][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6788.297653][   T10]      ip6_pol_route+0x56f/0x840
[ 6788.297653][   T10]      fib6_rule_lookup+0x456/0x630
[ 6788.297653][   T10]      ip6_route_input+0x59c/0xa50
[ 6788.297653][   T10]      ipv6_rcv+0x397/0x810
[ 6788.297653][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6788.297653][   T10]      process_backlog+0x101/0x620
[ 6788.297653][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6788.297653][   T10]      net_rx_action+0x495/0xbe0
[ 6788.297653][   T10]      __do_softirq+0x1b5/0x7f6
[ 6788.297653][   T10] 
[ 6788.299281][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.299281][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6788.299281][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6788.299281][   T10]      fib6_nh_init+0xa22/0x1580
[ 6788.299281][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.299281][   T10]      ip6_route_add+0x1c/0x140
[ 6788.299281][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6788.299281][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.299281][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.299281][   T10]      netlink_unicast+0x449/0x710
[ 6788.299281][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.299281][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.299281][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.299281][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.299281][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.299281][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.299281][   T10] 
[ 6788.301157][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.301157][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.301157][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.301157][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.301157][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6788.301157][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6788.301157][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6788.301157][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6788.301157][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6788.301157][   T10]      addrconf_dad_begin+0x310/0x670
[ 6788.301157][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6788.301157][   T10]      process_one_work+0x84d/0x18a0
[ 6788.301157][   T10]      worker_thread+0x587/0xd30
[ 6788.301157][   T10]      kthread+0x28a/0x350
[ 6788.301157][   T10]      ret_from_fork+0x31/0x70
[ 6788.301157][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6788.301157][   T10] 
[ 6788.303040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.303040][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.303040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.303040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.303040][   T10]      ip6_route_add+0x1c/0x140
[ 6788.303040][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6788.303040][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6788.303040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.303040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.303040][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.303040][   T10]      netlink_unicast+0x449/0x710
[ 6788.303040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.303040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.303040][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.303040][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.303040][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.303040][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.303040][   T10] 
[ 6788.305003][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.305003][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.305003][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.305003][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.305003][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6788.305003][   T10]      ipv6_add_addr+0x411/0x2000
[ 6788.305003][   T10]      inet6_addr_add+0x30e/0xa40
[ 6788.305003][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.305003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.305003][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.305003][   T10]      netlink_unicast+0x449/0x710
[ 6788.305003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.305003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.305003][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.305003][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.305003][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.305003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.305003][   T10] 
[ 6788.306956][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.306956][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.306956][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.306956][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.306956][   T10]      ip6_route_add+0x1c/0x140
[ 6788.306956][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6788.306956][   T10]      addrconf_add_dev+0xe2/0x170
[ 6788.306956][   T10]      inet6_addr_add+0x12f/0xa40
[ 6788.306956][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.306956][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.306956][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.306956][   T10]      netlink_unicast+0x449/0x710
[ 6788.306956][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.306956][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.306956][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.306956][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.306956][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.306956][   T10] 
[ 6788.308902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.308902][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6788.308902][   T10]      ipv6_find_idev+0x102/0x170
[ 6788.308902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6788.308902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.308902][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.308902][   T10]      netlink_unicast+0x449/0x710
[ 6788.308902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.308902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.308902][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.308902][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.308902][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.308902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.308902][   T10] 
[ 6788.310434][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6788.310434][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6788.310434][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6788.310434][   T10]      ipv6_find_idev+0x102/0x170
[ 6788.310434][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6788.310434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.310434][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.310434][   T10]      netlink_unicast+0x449/0x710
[ 6788.310434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.310434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.310434][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.310434][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.310434][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.310434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.310434][   T10] 
[ 6788.312158][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6788.312421][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.312421][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6788.312421][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6788.312421][   T10]      fib6_nh_init+0xa22/0x1580
[ 6788.312421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.312421][   T10]      ip6_route_add+0x1c/0x140
[ 6788.312421][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6788.312421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.312421][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.312421][   T10]      netlink_unicast+0x449/0x710
[ 6788.312421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.312421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.312421][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.312421][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.312421][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.312421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.312421][   T10] 
[ 6788.314318][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.314318][   T10]      dst_init+0x84/0x4a0
[ 6788.314318][   T10]      dst_alloc+0x97/0x150
[ 6788.314318][   T10]      ip6_dst_alloc+0x23/0x90
[ 6788.314318][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6788.314318][   T10]      ip6_pol_route+0x56f/0x840
[ 6788.314318][   T10]      fib6_rule_lookup+0x456/0x630
[ 6788.314318][   T10]      ip6_route_input+0x59c/0xa50
[ 6788.314318][   T10]      ipv6_rcv+0x397/0x810
[ 6788.314318][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6788.314318][   T10]      process_backlog+0x101/0x620
[ 6788.314318][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6788.314318][   T10]      net_rx_action+0x495/0xbe0
[ 6788.314318][   T10]      __do_softirq+0x1b5/0x7f6
[ 6788.314318][   T10] 
[ 6788.315973][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.315973][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.315973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.315973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.315973][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6788.315973][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6788.315973][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6788.315973][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6788.315973][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6788.315973][   T10]      addrconf_dad_begin+0x310/0x670
[ 6788.315973][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6788.315973][   T10]      process_one_work+0x84d/0x18a0
[ 6788.315973][   T10]      worker_thread+0x587/0xd30
[ 6788.315973][   T10]      kthread+0x28a/0x350
[ 6788.315973][   T10]      ret_from_fork+0x31/0x70
[ 6788.315973][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6788.315973][   T10] 
[ 6788.317910][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.317910][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.317910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.317910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.317910][   T10]      ip6_route_add+0x1c/0x140
[ 6788.317910][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6788.317910][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6788.317910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.317910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.317910][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.317910][   T10]      netlink_unicast+0x449/0x710
[ 6788.317910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.317910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.317910][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.317910][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.317910][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.317910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.317910][   T10] 
[ 6788.319908][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.319908][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.319908][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.319908][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.319908][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6788.319908][   T10]      ipv6_add_addr+0x411/0x2000
[ 6788.319908][   T10]      inet6_addr_add+0x30e/0xa40
[ 6788.319908][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.319908][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.319908][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.319908][   T10]      netlink_unicast+0x449/0x710
[ 6788.319908][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.319908][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.319908][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.319908][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.319908][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.319908][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.319908][   T10] 
[ 6788.321879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.321879][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.321879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.321879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.321879][   T10]      ip6_route_add+0x1c/0x140
[ 6788.321879][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6788.321879][   T10]      addrconf_add_dev+0xe2/0x170
[ 6788.321879][   T10]      inet6_addr_add+0x12f/0xa40
[ 6788.321879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.321879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.321879][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.321879][   T10]      netlink_unicast+0x449/0x710
[ 6788.321879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.321879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.321879][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.321879][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.321879][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.321879][   T10] 
[ 6788.324023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.324023][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6788.324023][   T10]      ipv6_find_idev+0x102/0x170
[ 6788.324023][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6788.324023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.324023][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.324023][   T10]      netlink_unicast+0x449/0x710
[ 6788.324023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.324023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.324023][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.324023][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.324023][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.324023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.324023][   T10] 
[ 6788.325763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6788.325763][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6788.325763][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6788.325763][   T10]      ipv6_find_idev+0x102/0x170
[ 6788.325763][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6788.325763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.325763][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.325763][   T10]      netlink_unicast+0x449/0x710
[ 6788.325763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.325763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.325763][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.325763][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.325763][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.325763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.325763][   T10] 
[ 6788.327680][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6788.327918][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6788.327918][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.327918][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.327918][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.327918][   T10]      ip6_route_add+0x1c/0x140
[ 6788.327918][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6788.327918][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6788.327918][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.327918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.327918][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.327918][   T10]      netlink_unicast+0x449/0x710
[ 6788.327918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.327918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.327918][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.327918][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.327918][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.327918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.327918][   T10] 
[ 6788.330176][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6788.330176][   T10]      netdev_get_by_index+0x5e/0x80
[ 6788.330176][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6788.330176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6788.330176][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6788.330176][   T10]      ipv6_add_addr+0x411/0x2000
[ 6788.330176][   T10]      inet6_addr_add+0x30e/0xa40
[ 6788.330176][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6788.330176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.330176][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.330176][   T10]      netlink_unicast+0x449/0x710
[ 6788.330176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.330176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.330176][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.330176][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.330176][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.330176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.330176][   T10] 
[ 6788.332402][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6788.332402][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6788.332402][   T10]      ipv6_find_idev+0x102/0x170
[ 6788.332402][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6788.332402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.332402][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.332402][   T10]      netlink_unicast+0x449/0x710
[ 6788.332402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.332402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.332402][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.332402][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.332402][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.332402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.332402][   T10] 
[ 6788.334091][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6788.334091][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6788.334091][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6788.334091][   T10]      ipv6_find_idev+0x102/0x170
[ 6788.334091][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6788.334091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6788.334091][   T10]      netlink_rcv_skb+0x130/0x360
[ 6788.334091][   T10]      netlink_unicast+0x449/0x710
[ 6788.334091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6788.334091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6788.334091][   T10]      ___sys_sendmsg+0xee/0x170
[ 6788.334091][   T10]      __sys_sendmsg+0xcd/0x170
[ 6788.334091][   T10]      do_syscall_64+0xc6/0x1e0
[ 6788.334091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6788.334091][   T10] 
[ 6798.584715][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6798.585160][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.585160][   T10]      dst_init+0x84/0x4a0
[ 6798.585160][   T10]      dst_alloc+0x97/0x150
[ 6798.585160][   T10]      ip6_dst_alloc+0x23/0x90
[ 6798.585160][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6798.585160][   T10]      ip6_pol_route+0x56f/0x840
[ 6798.585160][   T10]      fib6_rule_lookup+0x456/0x630
[ 6798.585160][   T10]      ip6_route_input+0x59c/0xa50
[ 6798.585160][   T10]      ipv6_rcv+0x397/0x810
[ 6798.585160][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6798.585160][   T10]      process_backlog+0x101/0x620
[ 6798.585160][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6798.585160][   T10]      net_rx_action+0x495/0xbe0
[ 6798.585160][   T10]      __do_softirq+0x1b5/0x7f6
[ 6798.585160][   T10] 
[ 6798.586873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.586873][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6798.586873][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6798.586873][   T10]      fib6_nh_init+0xa22/0x1580
[ 6798.586873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.586873][   T10]      ip6_route_add+0x1c/0x140
[ 6798.586873][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6798.586873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.586873][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.586873][   T10]      netlink_unicast+0x449/0x710
[ 6798.586873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.586873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.586873][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.586873][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.586873][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.586873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.586873][   T10] 
[ 6798.588756][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.588756][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.588756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.588756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.588756][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6798.588756][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6798.588756][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6798.588756][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6798.588756][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6798.588756][   T10]      addrconf_dad_begin+0x310/0x670
[ 6798.588756][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6798.588756][   T10]      process_one_work+0x84d/0x18a0
[ 6798.588756][   T10]      worker_thread+0x587/0xd30
[ 6798.588756][   T10]      kthread+0x28a/0x350
[ 6798.588756][   T10]      ret_from_fork+0x31/0x70
[ 6798.588756][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6798.588756][   T10] 
[ 6798.590682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.590682][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.590682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.590682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.590682][   T10]      ip6_route_add+0x1c/0x140
[ 6798.590682][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6798.590682][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6798.590682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.590682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.590682][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.590682][   T10]      netlink_unicast+0x449/0x710
[ 6798.590682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.590682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.590682][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.590682][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.590682][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.590682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.590682][   T10] 
[ 6798.592679][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.592679][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.592679][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.592679][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.592679][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6798.592679][   T10]      ipv6_add_addr+0x411/0x2000
[ 6798.592679][   T10]      inet6_addr_add+0x30e/0xa40
[ 6798.592679][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.592679][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.592679][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.592679][   T10]      netlink_unicast+0x449/0x710
[ 6798.592679][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.592679][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.592679][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.592679][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.592679][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.592679][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.592679][   T10] 
[ 6798.594685][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.594685][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.594685][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.594685][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.594685][   T10]      ip6_route_add+0x1c/0x140
[ 6798.594685][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6798.594685][   T10]      addrconf_add_dev+0xe2/0x170
[ 6798.594685][   T10]      inet6_addr_add+0x12f/0xa40
[ 6798.594685][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.594685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.594685][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.594685][   T10]      netlink_unicast+0x449/0x710
[ 6798.594685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.594685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.594685][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.594685][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.594685][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.594685][   T10] 
[ 6798.596645][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.596645][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6798.596645][   T10]      ipv6_find_idev+0x102/0x170
[ 6798.596645][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6798.596645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.596645][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.596645][   T10]      netlink_unicast+0x449/0x710
[ 6798.596645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.596645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.596645][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.596645][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.596645][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.596645][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.596645][   T10] 
[ 6798.598180][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6798.598180][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6798.598180][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6798.598180][   T10]      ipv6_find_idev+0x102/0x170
[ 6798.598180][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6798.598180][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.598180][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.598180][   T10]      netlink_unicast+0x449/0x710
[ 6798.598180][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.598180][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.598180][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.598180][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.598180][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.598180][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.598180][   T10] 
[ 6798.599874][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6798.600121][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.600121][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6798.600121][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6798.600121][   T10]      fib6_nh_init+0xa22/0x1580
[ 6798.600121][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.600121][   T10]      ip6_route_add+0x1c/0x140
[ 6798.600121][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6798.600121][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.600121][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.600121][   T10]      netlink_unicast+0x449/0x710
[ 6798.600121][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.600121][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.600121][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.600121][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.600121][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.600121][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.600121][   T10] 
[ 6798.601993][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.601993][   T10]      dst_init+0x84/0x4a0
[ 6798.601993][   T10]      dst_alloc+0x97/0x150
[ 6798.601993][   T10]      ip6_dst_alloc+0x23/0x90
[ 6798.601993][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6798.601993][   T10]      ip6_pol_route+0x56f/0x840
[ 6798.601993][   T10]      fib6_rule_lookup+0x456/0x630
[ 6798.601993][   T10]      ip6_route_input+0x59c/0xa50
[ 6798.601993][   T10]      ipv6_rcv+0x397/0x810
[ 6798.601993][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6798.601993][   T10]      process_backlog+0x101/0x620
[ 6798.601993][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6798.601993][   T10]      net_rx_action+0x495/0xbe0
[ 6798.601993][   T10]      __do_softirq+0x1b5/0x7f6
[ 6798.601993][   T10] 
[ 6798.603628][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.603628][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.603628][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.603628][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.603628][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6798.603628][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6798.603628][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6798.603628][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6798.603628][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6798.603628][   T10]      addrconf_dad_begin+0x310/0x670
[ 6798.603628][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6798.603628][   T10]      process_one_work+0x84d/0x18a0
[ 6798.603628][   T10]      worker_thread+0x587/0xd30
[ 6798.603628][   T10]      kthread+0x28a/0x350
[ 6798.603628][   T10]      ret_from_fork+0x31/0x70
[ 6798.603628][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6798.603628][   T10] 
[ 6798.605532][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.605532][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.605532][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.605532][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.605532][   T10]      ip6_route_add+0x1c/0x140
[ 6798.605532][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6798.605532][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6798.605532][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.605532][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.605532][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.605532][   T10]      netlink_unicast+0x449/0x710
[ 6798.605532][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.605532][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.605532][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.605532][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.605532][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.605532][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.605532][   T10] 
[ 6798.607528][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.607528][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.607528][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.607528][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.607528][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6798.607528][   T10]      ipv6_add_addr+0x411/0x2000
[ 6798.607528][   T10]      inet6_addr_add+0x30e/0xa40
[ 6798.607528][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.607528][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.607528][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.607528][   T10]      netlink_unicast+0x449/0x710
[ 6798.607528][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.607528][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.607528][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.607528][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.607528][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.607528][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.607528][   T10] 
[ 6798.609527][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.609527][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.609527][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.609527][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.609527][   T10]      ip6_route_add+0x1c/0x140
[ 6798.609527][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6798.609527][   T10]      addrconf_add_dev+0xe2/0x170
[ 6798.609527][   T10]      inet6_addr_add+0x12f/0xa40
[ 6798.609527][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.609527][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.609527][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.609527][   T10]      netlink_unicast+0x449/0x710
[ 6798.609527][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.609527][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.609527][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.609527][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.609527][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.609527][   T10] 
[ 6798.611673][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.611673][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6798.611673][   T10]      ipv6_find_idev+0x102/0x170
[ 6798.611673][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6798.611673][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.611673][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.611673][   T10]      netlink_unicast+0x449/0x710
[ 6798.611673][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.611673][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.611673][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.611673][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.611673][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.611673][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.611673][   T10] 
[ 6798.613455][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6798.613455][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6798.613455][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6798.613455][   T10]      ipv6_find_idev+0x102/0x170
[ 6798.613455][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6798.613455][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.613455][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.613455][   T10]      netlink_unicast+0x449/0x710
[ 6798.613455][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.613455][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.613455][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.613455][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.613455][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.613455][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.613455][   T10] 
[ 6798.615337][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6798.615587][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6798.615587][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.615587][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.615587][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.615587][   T10]      ip6_route_add+0x1c/0x140
[ 6798.615587][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6798.615587][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6798.615587][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.615587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.615587][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.615587][   T10]      netlink_unicast+0x449/0x710
[ 6798.615587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.615587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.615587][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.615587][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.615587][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.615587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.615587][   T10] 
[ 6798.617819][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6798.617819][   T10]      netdev_get_by_index+0x5e/0x80
[ 6798.617819][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6798.617819][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6798.617819][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6798.617819][   T10]      ipv6_add_addr+0x411/0x2000
[ 6798.617819][   T10]      inet6_addr_add+0x30e/0xa40
[ 6798.617819][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6798.617819][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.617819][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.617819][   T10]      netlink_unicast+0x449/0x710
[ 6798.617819][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.617819][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.617819][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.617819][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.617819][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.617819][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.617819][   T10] 
[ 6798.619995][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6798.619995][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6798.619995][   T10]      ipv6_find_idev+0x102/0x170
[ 6798.619995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6798.619995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.619995][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.619995][   T10]      netlink_unicast+0x449/0x710
[ 6798.619995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.619995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.619995][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.619995][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.619995][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.619995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.619995][   T10] 
[ 6798.621777][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6798.621777][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6798.621777][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6798.621777][   T10]      ipv6_find_idev+0x102/0x170
[ 6798.621777][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6798.621777][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6798.621777][   T10]      netlink_rcv_skb+0x130/0x360
[ 6798.621777][   T10]      netlink_unicast+0x449/0x710
[ 6798.621777][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6798.621777][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6798.621777][   T10]      ___sys_sendmsg+0xee/0x170
[ 6798.621777][   T10]      __sys_sendmsg+0xcd/0x170
[ 6798.621777][   T10]      do_syscall_64+0xc6/0x1e0
[ 6798.621777][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6798.621777][   T10] 
[ 6808.688702][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6808.689118][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.689118][   T10]      dst_init+0x84/0x4a0
[ 6808.689118][   T10]      dst_alloc+0x97/0x150
[ 6808.689118][   T10]      ip6_dst_alloc+0x23/0x90
[ 6808.689118][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6808.689118][   T10]      ip6_pol_route+0x56f/0x840
[ 6808.689118][   T10]      fib6_rule_lookup+0x456/0x630
[ 6808.689118][   T10]      ip6_route_input+0x59c/0xa50
[ 6808.689118][   T10]      ipv6_rcv+0x397/0x810
[ 6808.689118][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6808.689118][   T10]      process_backlog+0x101/0x620
[ 6808.689118][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6808.689118][   T10]      net_rx_action+0x495/0xbe0
[ 6808.689118][   T10]      __do_softirq+0x1b5/0x7f6
[ 6808.689118][   T10] 
[ 6808.690973][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.690973][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6808.690973][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6808.690973][   T10]      fib6_nh_init+0xa22/0x1580
[ 6808.690973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.690973][   T10]      ip6_route_add+0x1c/0x140
[ 6808.690973][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6808.690973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.690973][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.690973][   T10]      netlink_unicast+0x449/0x710
[ 6808.690973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.690973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.690973][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.690973][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.690973][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.690973][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.690973][   T10] 
[ 6808.693058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.693058][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.693058][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.693058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.693058][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6808.693058][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6808.693058][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6808.693058][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6808.693058][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6808.693058][   T10]      addrconf_dad_begin+0x310/0x670
[ 6808.693058][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6808.693058][   T10]      process_one_work+0x84d/0x18a0
[ 6808.693058][   T10]      worker_thread+0x587/0xd30
[ 6808.693058][   T10]      kthread+0x28a/0x350
[ 6808.693058][   T10]      ret_from_fork+0x31/0x70
[ 6808.693058][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6808.693058][   T10] 
[ 6808.695221][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.695221][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.695221][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.695221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.695221][   T10]      ip6_route_add+0x1c/0x140
[ 6808.695221][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6808.695221][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6808.695221][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.695221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.695221][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.695221][   T10]      netlink_unicast+0x449/0x710
[ 6808.695221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.695221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.695221][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.695221][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.695221][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.695221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.695221][   T10] 
[ 6808.697436][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.697436][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.697436][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.697436][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.697436][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6808.697436][   T10]      ipv6_add_addr+0x411/0x2000
[ 6808.697436][   T10]      inet6_addr_add+0x30e/0xa40
[ 6808.697436][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.697436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.697436][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.697436][   T10]      netlink_unicast+0x449/0x710
[ 6808.697436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.697436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.697436][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.697436][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.697436][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.697436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.697436][   T10] 
[ 6808.699645][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.699645][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.699645][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.699645][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.699645][   T10]      ip6_route_add+0x1c/0x140
[ 6808.699645][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6808.699645][   T10]      addrconf_add_dev+0xe2/0x170
[ 6808.699645][   T10]      inet6_addr_add+0x12f/0xa40
[ 6808.699645][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.699645][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.699645][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.699645][   T10]      netlink_unicast+0x449/0x710
[ 6808.699645][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.699645][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.699645][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.699645][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.699645][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.699645][   T10] 
[ 6808.701774][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.701774][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6808.701774][   T10]      ipv6_find_idev+0x102/0x170
[ 6808.701774][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6808.701774][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.701774][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.701774][   T10]      netlink_unicast+0x449/0x710
[ 6808.701774][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.701774][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.701774][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.701774][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.701774][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.701774][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.701774][   T10] 
[ 6808.703436][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6808.703436][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6808.703436][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6808.703436][   T10]      ipv6_find_idev+0x102/0x170
[ 6808.703436][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6808.703436][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.703436][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.703436][   T10]      netlink_unicast+0x449/0x710
[ 6808.703436][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.703436][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.703436][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.703436][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.703436][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.703436][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.703436][   T10] 
[ 6808.705309][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6808.705568][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.705568][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6808.705568][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6808.705568][   T10]      fib6_nh_init+0xa22/0x1580
[ 6808.705568][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.705568][   T10]      ip6_route_add+0x1c/0x140
[ 6808.705568][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6808.705568][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.705568][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.705568][   T10]      netlink_unicast+0x449/0x710
[ 6808.705568][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.705568][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.705568][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.705568][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.705568][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.705568][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.705568][   T10] 
[ 6808.707656][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.707656][   T10]      dst_init+0x84/0x4a0
[ 6808.707656][   T10]      dst_alloc+0x97/0x150
[ 6808.707656][   T10]      ip6_dst_alloc+0x23/0x90
[ 6808.707656][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6808.707656][   T10]      ip6_pol_route+0x56f/0x840
[ 6808.707656][   T10]      fib6_rule_lookup+0x456/0x630
[ 6808.707656][   T10]      ip6_route_input+0x59c/0xa50
[ 6808.707656][   T10]      ipv6_rcv+0x397/0x810
[ 6808.707656][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6808.707656][   T10]      process_backlog+0x101/0x620
[ 6808.707656][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6808.707656][   T10]      net_rx_action+0x495/0xbe0
[ 6808.707656][   T10]      __do_softirq+0x1b5/0x7f6
[ 6808.707656][   T10] 
[ 6808.709418][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.709418][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.709418][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.709418][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.709418][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6808.709418][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6808.709418][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6808.709418][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6808.709418][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6808.709418][   T10]      addrconf_dad_begin+0x310/0x670
[ 6808.709418][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6808.709418][   T10]      process_one_work+0x84d/0x18a0
[ 6808.709418][   T10]      worker_thread+0x587/0xd30
[ 6808.709418][   T10]      kthread+0x28a/0x350
[ 6808.709418][   T10]      ret_from_fork+0x31/0x70
[ 6808.709418][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6808.709418][   T10] 
[ 6808.711534][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.711534][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.711534][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.711534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.711534][   T10]      ip6_route_add+0x1c/0x140
[ 6808.711534][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6808.711534][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6808.711534][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.711534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.711534][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.711534][   T10]      netlink_unicast+0x449/0x710
[ 6808.711534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.711534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.711534][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.711534][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.711534][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.711534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.711534][   T10] 
[ 6808.713751][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.713751][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.713751][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.713751][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.713751][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6808.713751][   T10]      ipv6_add_addr+0x411/0x2000
[ 6808.713751][   T10]      inet6_addr_add+0x30e/0xa40
[ 6808.713751][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.713751][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.713751][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.713751][   T10]      netlink_unicast+0x449/0x710
[ 6808.713751][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.713751][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.713751][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.713751][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.713751][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.713751][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.713751][   T10] 
[ 6808.715971][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.715971][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.715971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.715971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.715971][   T10]      ip6_route_add+0x1c/0x140
[ 6808.715971][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6808.715971][   T10]      addrconf_add_dev+0xe2/0x170
[ 6808.715971][   T10]      inet6_addr_add+0x12f/0xa40
[ 6808.715971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.715971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.715971][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.715971][   T10]      netlink_unicast+0x449/0x710
[ 6808.715971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.715971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.715971][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.715971][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.715971][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.715971][   T10] 
[ 6808.718326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.718326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6808.718326][   T10]      ipv6_find_idev+0x102/0x170
[ 6808.718326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6808.718326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.718326][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.718326][   T10]      netlink_unicast+0x449/0x710
[ 6808.718326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.718326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.718326][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.718326][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.718326][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.718326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.718326][   T10] 
[ 6808.720215][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6808.720215][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6808.720215][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6808.720215][   T10]      ipv6_find_idev+0x102/0x170
[ 6808.720215][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6808.720215][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.720215][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.720215][   T10]      netlink_unicast+0x449/0x710
[ 6808.720215][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.720215][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.720215][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.720215][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.720215][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.720215][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.720215][   T10] 
[ 6808.722318][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6808.722578][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6808.722578][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.722578][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.722578][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.722578][   T10]      ip6_route_add+0x1c/0x140
[ 6808.722578][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6808.722578][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6808.722578][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.722578][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.722578][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.722578][   T10]      netlink_unicast+0x449/0x710
[ 6808.722578][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.722578][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.722578][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.722578][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.722578][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.722578][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.722578][   T10] 
[ 6808.725044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6808.725044][   T10]      netdev_get_by_index+0x5e/0x80
[ 6808.725044][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6808.725044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6808.725044][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6808.725044][   T10]      ipv6_add_addr+0x411/0x2000
[ 6808.725044][   T10]      inet6_addr_add+0x30e/0xa40
[ 6808.725044][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6808.725044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.725044][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.725044][   T10]      netlink_unicast+0x449/0x710
[ 6808.725044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.725044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.725044][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.725044][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.725044][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.725044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.725044][   T10] 
[ 6808.727502][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6808.727502][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6808.727502][   T10]      ipv6_find_idev+0x102/0x170
[ 6808.727502][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6808.727502][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.727502][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.727502][   T10]      netlink_unicast+0x449/0x710
[ 6808.727502][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.727502][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.727502][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.727502][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.727502][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.727502][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.727502][   T10] 
[ 6808.729380][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6808.729380][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6808.729380][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6808.729380][   T10]      ipv6_find_idev+0x102/0x170
[ 6808.729380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6808.729380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6808.729380][   T10]      netlink_rcv_skb+0x130/0x360
[ 6808.729380][   T10]      netlink_unicast+0x449/0x710
[ 6808.729380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6808.729380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6808.729380][   T10]      ___sys_sendmsg+0xee/0x170
[ 6808.729380][   T10]      __sys_sendmsg+0xcd/0x170
[ 6808.729380][   T10]      do_syscall_64+0xc6/0x1e0
[ 6808.729380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6808.729380][   T10] 
[ 6818.968768][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6818.969405][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.969405][   T10]      dst_init+0x84/0x4a0
[ 6818.969405][   T10]      dst_alloc+0x97/0x150
[ 6818.969405][   T10]      ip6_dst_alloc+0x23/0x90
[ 6818.969405][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6818.969405][   T10]      ip6_pol_route+0x56f/0x840
[ 6818.969405][   T10]      fib6_rule_lookup+0x456/0x630
[ 6818.969405][   T10]      ip6_route_input+0x59c/0xa50
[ 6818.969405][   T10]      ipv6_rcv+0x397/0x810
[ 6818.969405][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6818.969405][   T10]      process_backlog+0x101/0x620
[ 6818.969405][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6818.969405][   T10]      net_rx_action+0x495/0xbe0
[ 6818.969405][   T10]      __do_softirq+0x1b5/0x7f6
[ 6818.969405][   T10] 
[ 6818.971044][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.971044][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6818.971044][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6818.971044][   T10]      fib6_nh_init+0xa22/0x1580
[ 6818.971044][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.971044][   T10]      ip6_route_add+0x1c/0x140
[ 6818.971044][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6818.971044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.971044][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.971044][   T10]      netlink_unicast+0x449/0x710
[ 6818.971044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.971044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.971044][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.971044][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.971044][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.971044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.971044][   T10] 
[ 6818.972890][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.972890][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.972890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.972890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.972890][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6818.972890][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6818.972890][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6818.972890][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6818.972890][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6818.972890][   T10]      addrconf_dad_begin+0x310/0x670
[ 6818.972890][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6818.972890][   T10]      process_one_work+0x84d/0x18a0
[ 6818.972890][   T10]      worker_thread+0x587/0xd30
[ 6818.972890][   T10]      kthread+0x28a/0x350
[ 6818.972890][   T10]      ret_from_fork+0x31/0x70
[ 6818.972890][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6818.972890][   T10] 
[ 6818.974844][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.974844][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.974844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.974844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.974844][   T10]      ip6_route_add+0x1c/0x140
[ 6818.974844][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6818.974844][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6818.974844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6818.974844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.974844][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.974844][   T10]      netlink_unicast+0x449/0x710
[ 6818.974844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.974844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.974844][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.974844][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.974844][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.974844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.974844][   T10] 
[ 6818.976811][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.976811][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.976811][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.976811][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.976811][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6818.976811][   T10]      ipv6_add_addr+0x411/0x2000
[ 6818.976811][   T10]      inet6_addr_add+0x30e/0xa40
[ 6818.976811][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6818.976811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.976811][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.976811][   T10]      netlink_unicast+0x449/0x710
[ 6818.976811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.976811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.976811][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.976811][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.976811][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.976811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.976811][   T10] 
[ 6818.978760][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.978760][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.978760][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.978760][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.978760][   T10]      ip6_route_add+0x1c/0x140
[ 6818.978760][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6818.978760][   T10]      addrconf_add_dev+0xe2/0x170
[ 6818.978760][   T10]      inet6_addr_add+0x12f/0xa40
[ 6818.978760][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6818.978760][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.978760][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.978760][   T10]      netlink_unicast+0x449/0x710
[ 6818.978760][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.978760][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.978760][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.978760][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.978760][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.978760][   T10] 
[ 6818.980676][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.980676][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6818.980676][   T10]      ipv6_find_idev+0x102/0x170
[ 6818.980676][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6818.980676][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.980676][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.980676][   T10]      netlink_unicast+0x449/0x710
[ 6818.980676][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.980676][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.980676][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.980676][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.980676][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.980676][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.980676][   T10] 
[ 6818.982176][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6818.982176][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6818.982176][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6818.982176][   T10]      ipv6_find_idev+0x102/0x170
[ 6818.982176][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6818.982176][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.982176][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.982176][   T10]      netlink_unicast+0x449/0x710
[ 6818.982176][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.982176][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.982176][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.982176][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.982176][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.982176][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.982176][   T10] 
[ 6818.983889][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6818.984134][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.984134][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6818.984134][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6818.984134][   T10]      fib6_nh_init+0xa22/0x1580
[ 6818.984134][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.984134][   T10]      ip6_route_add+0x1c/0x140
[ 6818.984134][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6818.984134][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.984134][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.984134][   T10]      netlink_unicast+0x449/0x710
[ 6818.984134][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.984134][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.984134][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.984134][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.984134][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.984134][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.984134][   T10] 
[ 6818.986025][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.986025][   T10]      dst_init+0x84/0x4a0
[ 6818.986025][   T10]      dst_alloc+0x97/0x150
[ 6818.986025][   T10]      ip6_dst_alloc+0x23/0x90
[ 6818.986025][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6818.986025][   T10]      ip6_pol_route+0x56f/0x840
[ 6818.986025][   T10]      fib6_rule_lookup+0x456/0x630
[ 6818.986025][   T10]      ip6_route_input+0x59c/0xa50
[ 6818.986025][   T10]      ipv6_rcv+0x397/0x810
[ 6818.986025][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6818.986025][   T10]      process_backlog+0x101/0x620
[ 6818.986025][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6818.986025][   T10]      net_rx_action+0x495/0xbe0
[ 6818.986025][   T10]      __do_softirq+0x1b5/0x7f6
[ 6818.986025][   T10] 
[ 6818.987624][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.987624][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.987624][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.987624][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.987624][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6818.987624][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6818.987624][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6818.987624][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6818.987624][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6818.987624][   T10]      addrconf_dad_begin+0x310/0x670
[ 6818.987624][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6818.987624][   T10]      process_one_work+0x84d/0x18a0
[ 6818.987624][   T10]      worker_thread+0x587/0xd30
[ 6818.987624][   T10]      kthread+0x28a/0x350
[ 6818.987624][   T10]      ret_from_fork+0x31/0x70
[ 6818.987624][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6818.987624][   T10] 
[ 6818.989482][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.989482][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.989482][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.989482][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.989482][   T10]      ip6_route_add+0x1c/0x140
[ 6818.989482][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6818.989482][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6818.989482][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6818.989482][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.989482][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.989482][   T10]      netlink_unicast+0x449/0x710
[ 6818.989482][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.989482][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.989482][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.989482][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.989482][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.989482][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.989482][   T10] 
[ 6818.991421][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.991421][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.991421][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.991421][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.991421][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6818.991421][   T10]      ipv6_add_addr+0x411/0x2000
[ 6818.991421][   T10]      inet6_addr_add+0x30e/0xa40
[ 6818.991421][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6818.991421][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.991421][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.991421][   T10]      netlink_unicast+0x449/0x710
[ 6818.991421][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.991421][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.991421][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.991421][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.991421][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.991421][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.991421][   T10] 
[ 6818.993364][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.993364][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.993364][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.993364][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.993364][   T10]      ip6_route_add+0x1c/0x140
[ 6818.993364][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6818.993364][   T10]      addrconf_add_dev+0xe2/0x170
[ 6818.993364][   T10]      inet6_addr_add+0x12f/0xa40
[ 6818.993364][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6818.993364][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.993364][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.993364][   T10]      netlink_unicast+0x449/0x710
[ 6818.993364][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.993364][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.993364][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.993364][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.993364][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.993364][   T10] 
[ 6818.995457][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.995457][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6818.995457][   T10]      ipv6_find_idev+0x102/0x170
[ 6818.995457][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6818.995457][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.995457][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.995457][   T10]      netlink_unicast+0x449/0x710
[ 6818.995457][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.995457][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.995457][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.995457][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.995457][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.995457][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.995457][   T10] 
[ 6818.997259][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6818.997259][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6818.997259][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6818.997259][   T10]      ipv6_find_idev+0x102/0x170
[ 6818.997259][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6818.997259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.997259][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.997259][   T10]      netlink_unicast+0x449/0x710
[ 6818.997259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.997259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.997259][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.997259][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.997259][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.997259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.997259][   T10] 
[ 6818.999112][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6818.999410][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6818.999410][   T10]      netdev_get_by_index+0x5e/0x80
[ 6818.999410][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6818.999410][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6818.999410][   T10]      ip6_route_add+0x1c/0x140
[ 6818.999410][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6818.999410][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6818.999410][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6818.999410][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6818.999410][   T10]      netlink_rcv_skb+0x130/0x360
[ 6818.999410][   T10]      netlink_unicast+0x449/0x710
[ 6818.999410][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6818.999410][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6818.999410][   T10]      ___sys_sendmsg+0xee/0x170
[ 6818.999410][   T10]      __sys_sendmsg+0xcd/0x170
[ 6818.999410][   T10]      do_syscall_64+0xc6/0x1e0
[ 6818.999410][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6818.999410][   T10] 
[ 6819.001577][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6819.001577][   T10]      netdev_get_by_index+0x5e/0x80
[ 6819.001577][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6819.001577][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6819.001577][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6819.001577][   T10]      ipv6_add_addr+0x411/0x2000
[ 6819.001577][   T10]      inet6_addr_add+0x30e/0xa40
[ 6819.001577][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6819.001577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6819.001577][   T10]      netlink_rcv_skb+0x130/0x360
[ 6819.001577][   T10]      netlink_unicast+0x449/0x710
[ 6819.001577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6819.001577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6819.001577][   T10]      ___sys_sendmsg+0xee/0x170
[ 6819.001577][   T10]      __sys_sendmsg+0xcd/0x170
[ 6819.001577][   T10]      do_syscall_64+0xc6/0x1e0
[ 6819.001577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6819.001577][   T10] 
[ 6819.003789][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6819.003789][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6819.003789][   T10]      ipv6_find_idev+0x102/0x170
[ 6819.003789][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6819.003789][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6819.003789][   T10]      netlink_rcv_skb+0x130/0x360
[ 6819.003789][   T10]      netlink_unicast+0x449/0x710
[ 6819.003789][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6819.003789][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6819.003789][   T10]      ___sys_sendmsg+0xee/0x170
[ 6819.003789][   T10]      __sys_sendmsg+0xcd/0x170
[ 6819.003789][   T10]      do_syscall_64+0xc6/0x1e0
[ 6819.003789][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6819.003789][   T10] 
[ 6819.005685][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6819.005685][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6819.005685][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6819.005685][   T10]      ipv6_find_idev+0x102/0x170
[ 6819.005685][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6819.005685][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6819.005685][   T10]      netlink_rcv_skb+0x130/0x360
[ 6819.005685][   T10]      netlink_unicast+0x449/0x710
[ 6819.005685][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6819.005685][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6819.005685][   T10]      ___sys_sendmsg+0xee/0x170
[ 6819.005685][   T10]      __sys_sendmsg+0xcd/0x170
[ 6819.005685][   T10]      do_syscall_64+0xc6/0x1e0
[ 6819.005685][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6819.005685][   T10] 
[ 6829.248800][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6829.249614][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.249614][   T10]      dst_init+0x84/0x4a0
[ 6829.249614][   T10]      dst_alloc+0x97/0x150
[ 6829.249614][   T10]      ip6_dst_alloc+0x23/0x90
[ 6829.249614][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6829.249614][   T10]      ip6_pol_route+0x56f/0x840
[ 6829.249614][   T10]      fib6_rule_lookup+0x456/0x630
[ 6829.249614][   T10]      ip6_route_input+0x59c/0xa50
[ 6829.249614][   T10]      ipv6_rcv+0x397/0x810
[ 6829.249614][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6829.249614][   T10]      process_backlog+0x101/0x620
[ 6829.249614][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6829.249614][   T10]      net_rx_action+0x495/0xbe0
[ 6829.249614][   T10]      __do_softirq+0x1b5/0x7f6
[ 6829.249614][   T10] 
[ 6829.251275][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.251275][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6829.251275][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6829.251275][   T10]      fib6_nh_init+0xa22/0x1580
[ 6829.251275][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.251275][   T10]      ip6_route_add+0x1c/0x140
[ 6829.251275][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6829.251275][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.251275][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.251275][   T10]      netlink_unicast+0x449/0x710
[ 6829.251275][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.251275][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.251275][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.251275][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.251275][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.251275][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.251275][   T10] 
[ 6829.253124][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.253124][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.253124][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.253124][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.253124][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6829.253124][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6829.253124][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6829.253124][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6829.253124][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6829.253124][   T10]      addrconf_dad_begin+0x310/0x670
[ 6829.253124][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6829.253124][   T10]      process_one_work+0x84d/0x18a0
[ 6829.253124][   T10]      worker_thread+0x587/0xd30
[ 6829.253124][   T10]      kthread+0x28a/0x350
[ 6829.253124][   T10]      ret_from_fork+0x31/0x70
[ 6829.253124][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6829.253124][   T10] 
[ 6829.255000][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.255000][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.255000][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.255000][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.255000][   T10]      ip6_route_add+0x1c/0x140
[ 6829.255000][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6829.255000][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6829.255000][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.255000][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.255000][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.255000][   T10]      netlink_unicast+0x449/0x710
[ 6829.255000][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.255000][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.255000][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.255000][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.255000][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.255000][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.255000][   T10] 
[ 6829.256957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.256957][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.256957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.256957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.256957][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6829.256957][   T10]      ipv6_add_addr+0x411/0x2000
[ 6829.256957][   T10]      inet6_addr_add+0x30e/0xa40
[ 6829.256957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.256957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.256957][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.256957][   T10]      netlink_unicast+0x449/0x710
[ 6829.256957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.256957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.256957][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.256957][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.256957][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.256957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.256957][   T10] 
[ 6829.259028][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.259028][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.259028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.259028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.259028][   T10]      ip6_route_add+0x1c/0x140
[ 6829.259028][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6829.259028][   T10]      addrconf_add_dev+0xe2/0x170
[ 6829.259028][   T10]      inet6_addr_add+0x12f/0xa40
[ 6829.259028][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.259028][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.259028][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.259028][   T10]      netlink_unicast+0x449/0x710
[ 6829.259028][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.259028][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.259028][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.259028][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.259028][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.259028][   T10] 
[ 6829.260981][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.260981][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6829.260981][   T10]      ipv6_find_idev+0x102/0x170
[ 6829.260981][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6829.260981][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.260981][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.260981][   T10]      netlink_unicast+0x449/0x710
[ 6829.260981][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.260981][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.260981][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.260981][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.260981][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.260981][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.260981][   T10] 
[ 6829.262547][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6829.262547][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6829.262547][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6829.262547][   T10]      ipv6_find_idev+0x102/0x170
[ 6829.262547][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6829.262547][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.262547][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.262547][   T10]      netlink_unicast+0x449/0x710
[ 6829.262547][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.262547][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.262547][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.262547][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.262547][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.262547][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.262547][   T10] 
[ 6829.264260][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6829.264526][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.264526][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6829.264526][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6829.264526][   T10]      fib6_nh_init+0xa22/0x1580
[ 6829.264526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.264526][   T10]      ip6_route_add+0x1c/0x140
[ 6829.264526][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6829.264526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.264526][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.264526][   T10]      netlink_unicast+0x449/0x710
[ 6829.264526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.264526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.264526][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.264526][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.264526][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.264526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.264526][   T10] 
[ 6829.266418][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.266418][   T10]      dst_init+0x84/0x4a0
[ 6829.266418][   T10]      dst_alloc+0x97/0x150
[ 6829.266418][   T10]      ip6_dst_alloc+0x23/0x90
[ 6829.266418][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6829.266418][   T10]      ip6_pol_route+0x56f/0x840
[ 6829.266418][   T10]      fib6_rule_lookup+0x456/0x630
[ 6829.266418][   T10]      ip6_route_input+0x59c/0xa50
[ 6829.266418][   T10]      ipv6_rcv+0x397/0x810
[ 6829.266418][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6829.266418][   T10]      process_backlog+0x101/0x620
[ 6829.266418][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6829.266418][   T10]      net_rx_action+0x495/0xbe0
[ 6829.266418][   T10]      __do_softirq+0x1b5/0x7f6
[ 6829.266418][   T10] 
[ 6829.268055][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.268055][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.268055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.268055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.268055][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6829.268055][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6829.268055][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6829.268055][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6829.268055][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6829.268055][   T10]      addrconf_dad_begin+0x310/0x670
[ 6829.268055][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6829.268055][   T10]      process_one_work+0x84d/0x18a0
[ 6829.268055][   T10]      worker_thread+0x587/0xd30
[ 6829.268055][   T10]      kthread+0x28a/0x350
[ 6829.268055][   T10]      ret_from_fork+0x31/0x70
[ 6829.268055][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6829.268055][   T10] 
[ 6829.270015][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.270015][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.270015][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.270015][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.270015][   T10]      ip6_route_add+0x1c/0x140
[ 6829.270015][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6829.270015][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6829.270015][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.270015][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.270015][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.270015][   T10]      netlink_unicast+0x449/0x710
[ 6829.270015][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.270015][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.270015][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.270015][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.270015][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.270015][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.270015][   T10] 
[ 6829.272023][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.272023][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.272023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.272023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.272023][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6829.272023][   T10]      ipv6_add_addr+0x411/0x2000
[ 6829.272023][   T10]      inet6_addr_add+0x30e/0xa40
[ 6829.272023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.272023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.272023][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.272023][   T10]      netlink_unicast+0x449/0x710
[ 6829.272023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.272023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.272023][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.272023][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.272023][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.272023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.272023][   T10] 
[ 6829.274020][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.274020][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.274020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.274020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.274020][   T10]      ip6_route_add+0x1c/0x140
[ 6829.274020][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6829.274020][   T10]      addrconf_add_dev+0xe2/0x170
[ 6829.274020][   T10]      inet6_addr_add+0x12f/0xa40
[ 6829.274020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.274020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.274020][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.274020][   T10]      netlink_unicast+0x449/0x710
[ 6829.274020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.274020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.274020][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.274020][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.274020][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.274020][   T10] 
[ 6829.276177][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.276177][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6829.276177][   T10]      ipv6_find_idev+0x102/0x170
[ 6829.276177][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6829.276177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.276177][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.276177][   T10]      netlink_unicast+0x449/0x710
[ 6829.276177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.276177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.276177][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.276177][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.276177][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.276177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.276177][   T10] 
[ 6829.277958][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6829.277958][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6829.277958][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6829.277958][   T10]      ipv6_find_idev+0x102/0x170
[ 6829.277958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6829.277958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.277958][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.277958][   T10]      netlink_unicast+0x449/0x710
[ 6829.277958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.277958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.277958][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.277958][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.277958][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.277958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.277958][   T10] 
[ 6829.279820][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6829.280130][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6829.280130][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.280130][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.280130][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.280130][   T10]      ip6_route_add+0x1c/0x140
[ 6829.280130][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6829.280130][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6829.280130][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.280130][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.280130][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.280130][   T10]      netlink_unicast+0x449/0x710
[ 6829.280130][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.280130][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.280130][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.280130][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.280130][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.280130][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.280130][   T10] 
[ 6829.282267][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6829.282267][   T10]      netdev_get_by_index+0x5e/0x80
[ 6829.282267][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6829.282267][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6829.282267][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6829.282267][   T10]      ipv6_add_addr+0x411/0x2000
[ 6829.282267][   T10]      inet6_addr_add+0x30e/0xa40
[ 6829.282267][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6829.282267][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.282267][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.282267][   T10]      netlink_unicast+0x449/0x710
[ 6829.282267][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.282267][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.282267][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.282267][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.282267][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.282267][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.282267][   T10] 
[ 6829.284504][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6829.284504][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6829.284504][   T10]      ipv6_find_idev+0x102/0x170
[ 6829.284504][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6829.284504][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.284504][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.284504][   T10]      netlink_unicast+0x449/0x710
[ 6829.284504][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.284504][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.284504][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.284504][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.284504][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.284504][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.284504][   T10] 
[ 6829.286301][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6829.286301][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6829.286301][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6829.286301][   T10]      ipv6_find_idev+0x102/0x170
[ 6829.286301][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6829.286301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6829.286301][   T10]      netlink_rcv_skb+0x130/0x360
[ 6829.286301][   T10]      netlink_unicast+0x449/0x710
[ 6829.286301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6829.286301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6829.286301][   T10]      ___sys_sendmsg+0xee/0x170
[ 6829.286301][   T10]      __sys_sendmsg+0xcd/0x170
[ 6829.286301][   T10]      do_syscall_64+0xc6/0x1e0
[ 6829.286301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6829.286301][   T10] 
[ 6839.520773][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6839.521600][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.521600][   T10]      dst_init+0x84/0x4a0
[ 6839.521600][   T10]      dst_alloc+0x97/0x150
[ 6839.521600][   T10]      ip6_dst_alloc+0x23/0x90
[ 6839.521600][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6839.521600][   T10]      ip6_pol_route+0x56f/0x840
[ 6839.521600][   T10]      fib6_rule_lookup+0x456/0x630
[ 6839.521600][   T10]      ip6_route_input+0x59c/0xa50
[ 6839.521600][   T10]      ipv6_rcv+0x397/0x810
[ 6839.521600][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6839.521600][   T10]      process_backlog+0x101/0x620
[ 6839.521600][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6839.521600][   T10]      net_rx_action+0x495/0xbe0
[ 6839.521600][   T10]      __do_softirq+0x1b5/0x7f6
[ 6839.521600][   T10] 
[ 6839.523256][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.523256][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6839.523256][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6839.523256][   T10]      fib6_nh_init+0xa22/0x1580
[ 6839.523256][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.523256][   T10]      ip6_route_add+0x1c/0x140
[ 6839.523256][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6839.523256][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.523256][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.523256][   T10]      netlink_unicast+0x449/0x710
[ 6839.523256][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.523256][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.523256][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.523256][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.523256][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.523256][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.523256][   T10] 
[ 6839.525115][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.525115][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.525115][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.525115][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.525115][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6839.525115][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6839.525115][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6839.525115][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6839.525115][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6839.525115][   T10]      addrconf_dad_begin+0x310/0x670
[ 6839.525115][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6839.525115][   T10]      process_one_work+0x84d/0x18a0
[ 6839.525115][   T10]      worker_thread+0x587/0xd30
[ 6839.525115][   T10]      kthread+0x28a/0x350
[ 6839.525115][   T10]      ret_from_fork+0x31/0x70
[ 6839.525115][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6839.525115][   T10] 
[ 6839.526975][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.526975][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.526975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.526975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.526975][   T10]      ip6_route_add+0x1c/0x140
[ 6839.526975][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6839.526975][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6839.526975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.526975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.526975][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.526975][   T10]      netlink_unicast+0x449/0x710
[ 6839.526975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.526975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.526975][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.526975][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.526975][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.526975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.526975][   T10] 
[ 6839.528923][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.528923][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.528923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.528923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.528923][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6839.528923][   T10]      ipv6_add_addr+0x411/0x2000
[ 6839.528923][   T10]      inet6_addr_add+0x30e/0xa40
[ 6839.528923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.528923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.528923][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.528923][   T10]      netlink_unicast+0x449/0x710
[ 6839.528923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.528923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.528923][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.528923][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.528923][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.528923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.528923][   T10] 
[ 6839.530870][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.530870][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.530870][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.530870][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.530870][   T10]      ip6_route_add+0x1c/0x140
[ 6839.530870][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6839.530870][   T10]      addrconf_add_dev+0xe2/0x170
[ 6839.530870][   T10]      inet6_addr_add+0x12f/0xa40
[ 6839.530870][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.530870][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.530870][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.530870][   T10]      netlink_unicast+0x449/0x710
[ 6839.530870][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.530870][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.530870][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.530870][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.530870][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.530870][   T10] 
[ 6839.532782][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.532782][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6839.532782][   T10]      ipv6_find_idev+0x102/0x170
[ 6839.532782][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6839.532782][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.532782][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.532782][   T10]      netlink_unicast+0x449/0x710
[ 6839.532782][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.532782][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.532782][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.532782][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.532782][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.532782][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.532782][   T10] 
[ 6839.534305][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6839.534305][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6839.534305][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6839.534305][   T10]      ipv6_find_idev+0x102/0x170
[ 6839.534305][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6839.534305][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.534305][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.534305][   T10]      netlink_unicast+0x449/0x710
[ 6839.534305][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.534305][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.534305][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.534305][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.534305][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.534305][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.534305][   T10] 
[ 6839.536013][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6839.536266][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.536266][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6839.536266][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6839.536266][   T10]      fib6_nh_init+0xa22/0x1580
[ 6839.536266][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.536266][   T10]      ip6_route_add+0x1c/0x140
[ 6839.536266][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6839.536266][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.536266][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.536266][   T10]      netlink_unicast+0x449/0x710
[ 6839.536266][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.536266][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.536266][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.536266][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.536266][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.536266][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.536266][   T10] 
[ 6839.538153][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.538153][   T10]      dst_init+0x84/0x4a0
[ 6839.538153][   T10]      dst_alloc+0x97/0x150
[ 6839.538153][   T10]      ip6_dst_alloc+0x23/0x90
[ 6839.538153][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6839.538153][   T10]      ip6_pol_route+0x56f/0x840
[ 6839.538153][   T10]      fib6_rule_lookup+0x456/0x630
[ 6839.538153][   T10]      ip6_route_input+0x59c/0xa50
[ 6839.538153][   T10]      ipv6_rcv+0x397/0x810
[ 6839.538153][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6839.538153][   T10]      process_backlog+0x101/0x620
[ 6839.538153][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6839.538153][   T10]      net_rx_action+0x495/0xbe0
[ 6839.538153][   T10]      __do_softirq+0x1b5/0x7f6
[ 6839.538153][   T10] 
[ 6839.539757][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.539757][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.539757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.539757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.539757][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6839.539757][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6839.539757][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6839.539757][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6839.539757][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6839.539757][   T10]      addrconf_dad_begin+0x310/0x670
[ 6839.539757][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6839.539757][   T10]      process_one_work+0x84d/0x18a0
[ 6839.539757][   T10]      worker_thread+0x587/0xd30
[ 6839.539757][   T10]      kthread+0x28a/0x350
[ 6839.539757][   T10]      ret_from_fork+0x31/0x70
[ 6839.539757][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6839.539757][   T10] 
[ 6839.541644][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.541644][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.541644][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.541644][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.541644][   T10]      ip6_route_add+0x1c/0x140
[ 6839.541644][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6839.541644][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6839.541644][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.541644][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.541644][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.541644][   T10]      netlink_unicast+0x449/0x710
[ 6839.541644][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.541644][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.541644][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.541644][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.541644][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.541644][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.541644][   T10] 
[ 6839.543629][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.543629][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.543629][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.543629][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.543629][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6839.543629][   T10]      ipv6_add_addr+0x411/0x2000
[ 6839.543629][   T10]      inet6_addr_add+0x30e/0xa40
[ 6839.543629][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.543629][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.543629][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.543629][   T10]      netlink_unicast+0x449/0x710
[ 6839.543629][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.543629][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.543629][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.543629][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.543629][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.543629][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.543629][   T10] 
[ 6839.545632][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.545632][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.545632][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.545632][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.545632][   T10]      ip6_route_add+0x1c/0x140
[ 6839.545632][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6839.545632][   T10]      addrconf_add_dev+0xe2/0x170
[ 6839.545632][   T10]      inet6_addr_add+0x12f/0xa40
[ 6839.545632][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.545632][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.545632][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.545632][   T10]      netlink_unicast+0x449/0x710
[ 6839.545632][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.545632][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.545632][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.545632][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.545632][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.545632][   T10] 
[ 6839.547723][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.547723][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6839.547723][   T10]      ipv6_find_idev+0x102/0x170
[ 6839.547723][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6839.547723][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.547723][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.547723][   T10]      netlink_unicast+0x449/0x710
[ 6839.547723][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.547723][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.547723][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.547723][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.547723][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.547723][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.547723][   T10] 
[ 6839.549454][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6839.549454][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6839.549454][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6839.549454][   T10]      ipv6_find_idev+0x102/0x170
[ 6839.549454][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6839.549454][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.549454][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.549454][   T10]      netlink_unicast+0x449/0x710
[ 6839.549454][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.549454][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.549454][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.549454][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.549454][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.549454][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.549454][   T10] 
[ 6839.551299][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6839.551535][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6839.551535][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.551535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.551535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.551535][   T10]      ip6_route_add+0x1c/0x140
[ 6839.551535][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6839.551535][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6839.551535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.551535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.551535][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.551535][   T10]      netlink_unicast+0x449/0x710
[ 6839.551535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.551535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.551535][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.551535][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.551535][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.551535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.551535][   T10] 
[ 6839.553784][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6839.553784][   T10]      netdev_get_by_index+0x5e/0x80
[ 6839.553784][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6839.553784][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6839.553784][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6839.553784][   T10]      ipv6_add_addr+0x411/0x2000
[ 6839.553784][   T10]      inet6_addr_add+0x30e/0xa40
[ 6839.553784][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6839.553784][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.553784][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.553784][   T10]      netlink_unicast+0x449/0x710
[ 6839.553784][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.553784][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.553784][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.553784][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.553784][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.553784][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.553784][   T10] 
[ 6839.556590][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6839.556590][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6839.556590][   T10]      ipv6_find_idev+0x102/0x170
[ 6839.556590][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6839.556590][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.556590][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.556590][   T10]      netlink_unicast+0x449/0x710
[ 6839.556590][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.556590][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.556590][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.556590][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.556590][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.556590][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.556590][   T10] 
[ 6839.558362][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6839.558362][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6839.558362][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6839.558362][   T10]      ipv6_find_idev+0x102/0x170
[ 6839.558362][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6839.558362][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6839.558362][   T10]      netlink_rcv_skb+0x130/0x360
[ 6839.558362][   T10]      netlink_unicast+0x449/0x710
[ 6839.558362][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6839.558362][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6839.558362][   T10]      ___sys_sendmsg+0xee/0x170
[ 6839.558362][   T10]      __sys_sendmsg+0xcd/0x170
[ 6839.558362][   T10]      do_syscall_64+0xc6/0x1e0
[ 6839.558362][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6839.558362][   T10] 
[ 6849.800811][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6849.801458][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.801458][   T10]      dst_init+0x84/0x4a0
[ 6849.801458][   T10]      dst_alloc+0x97/0x150
[ 6849.801458][   T10]      ip6_dst_alloc+0x23/0x90
[ 6849.801458][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6849.801458][   T10]      ip6_pol_route+0x56f/0x840
[ 6849.801458][   T10]      fib6_rule_lookup+0x456/0x630
[ 6849.801458][   T10]      ip6_route_input+0x59c/0xa50
[ 6849.801458][   T10]      ipv6_rcv+0x397/0x810
[ 6849.801458][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6849.801458][   T10]      process_backlog+0x101/0x620
[ 6849.801458][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6849.801458][   T10]      net_rx_action+0x495/0xbe0
[ 6849.801458][   T10]      __do_softirq+0x1b5/0x7f6
[ 6849.801458][   T10] 
[ 6849.803089][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.803089][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6849.803089][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6849.803089][   T10]      fib6_nh_init+0xa22/0x1580
[ 6849.803089][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.803089][   T10]      ip6_route_add+0x1c/0x140
[ 6849.803089][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6849.803089][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.803089][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.803089][   T10]      netlink_unicast+0x449/0x710
[ 6849.803089][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.803089][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.803089][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.803089][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.803089][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.803089][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.803089][   T10] 
[ 6849.804933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.804933][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.804933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.804933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.804933][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6849.804933][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6849.804933][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6849.804933][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6849.804933][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6849.804933][   T10]      addrconf_dad_begin+0x310/0x670
[ 6849.804933][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6849.804933][   T10]      process_one_work+0x84d/0x18a0
[ 6849.804933][   T10]      worker_thread+0x587/0xd30
[ 6849.804933][   T10]      kthread+0x28a/0x350
[ 6849.804933][   T10]      ret_from_fork+0x31/0x70
[ 6849.804933][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6849.804933][   T10] 
[ 6849.807076][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.807076][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.807076][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.807076][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.807076][   T10]      ip6_route_add+0x1c/0x140
[ 6849.807076][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6849.807076][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6849.807076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.807076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.807076][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.807076][   T10]      netlink_unicast+0x449/0x710
[ 6849.807076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.807076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.807076][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.807076][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.807076][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.807076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.807076][   T10] 
[ 6849.809051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.809051][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.809051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.809051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.809051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6849.809051][   T10]      ipv6_add_addr+0x411/0x2000
[ 6849.809051][   T10]      inet6_addr_add+0x30e/0xa40
[ 6849.809051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.809051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.809051][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.809051][   T10]      netlink_unicast+0x449/0x710
[ 6849.809051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.809051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.809051][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.809051][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.809051][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.809051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.809051][   T10] 
[ 6849.811017][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.811017][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.811017][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.811017][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.811017][   T10]      ip6_route_add+0x1c/0x140
[ 6849.811017][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6849.811017][   T10]      addrconf_add_dev+0xe2/0x170
[ 6849.811017][   T10]      inet6_addr_add+0x12f/0xa40
[ 6849.811017][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.811017][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.811017][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.811017][   T10]      netlink_unicast+0x449/0x710
[ 6849.811017][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.811017][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.811017][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.811017][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.811017][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.811017][   T10] 
[ 6849.812965][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.812965][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6849.812965][   T10]      ipv6_find_idev+0x102/0x170
[ 6849.812965][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6849.812965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.812965][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.812965][   T10]      netlink_unicast+0x449/0x710
[ 6849.812965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.812965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.812965][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.812965][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.812965][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.812965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.812965][   T10] 
[ 6849.814510][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6849.814510][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6849.814510][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6849.814510][   T10]      ipv6_find_idev+0x102/0x170
[ 6849.814510][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6849.814510][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.814510][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.814510][   T10]      netlink_unicast+0x449/0x710
[ 6849.814510][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.814510][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.814510][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.814510][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.814510][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.814510][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.814510][   T10] 
[ 6849.816187][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6849.816440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.816440][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6849.816440][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6849.816440][   T10]      fib6_nh_init+0xa22/0x1580
[ 6849.816440][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.816440][   T10]      ip6_route_add+0x1c/0x140
[ 6849.816440][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6849.816440][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.816440][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.816440][   T10]      netlink_unicast+0x449/0x710
[ 6849.816440][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.816440][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.816440][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.816440][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.816440][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.816440][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.816440][   T10] 
[ 6849.818321][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.818321][   T10]      dst_init+0x84/0x4a0
[ 6849.818321][   T10]      dst_alloc+0x97/0x150
[ 6849.818321][   T10]      ip6_dst_alloc+0x23/0x90
[ 6849.818321][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6849.818321][   T10]      ip6_pol_route+0x56f/0x840
[ 6849.818321][   T10]      fib6_rule_lookup+0x456/0x630
[ 6849.818321][   T10]      ip6_route_input+0x59c/0xa50
[ 6849.818321][   T10]      ipv6_rcv+0x397/0x810
[ 6849.818321][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6849.818321][   T10]      process_backlog+0x101/0x620
[ 6849.818321][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6849.818321][   T10]      net_rx_action+0x495/0xbe0
[ 6849.818321][   T10]      __do_softirq+0x1b5/0x7f6
[ 6849.818321][   T10] 
[ 6849.819949][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.819949][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.819949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.819949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.819949][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6849.819949][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6849.819949][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6849.819949][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6849.819949][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6849.819949][   T10]      addrconf_dad_begin+0x310/0x670
[ 6849.819949][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6849.819949][   T10]      process_one_work+0x84d/0x18a0
[ 6849.819949][   T10]      worker_thread+0x587/0xd30
[ 6849.819949][   T10]      kthread+0x28a/0x350
[ 6849.819949][   T10]      ret_from_fork+0x31/0x70
[ 6849.819949][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6849.819949][   T10] 
[ 6849.821866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.821866][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.821866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.821866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.821866][   T10]      ip6_route_add+0x1c/0x140
[ 6849.821866][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6849.821866][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6849.821866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.821866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.821866][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.821866][   T10]      netlink_unicast+0x449/0x710
[ 6849.821866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.821866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.821866][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.821866][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.821866][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.821866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.821866][   T10] 
[ 6849.823813][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.823813][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.823813][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.823813][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.823813][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6849.823813][   T10]      ipv6_add_addr+0x411/0x2000
[ 6849.823813][   T10]      inet6_addr_add+0x30e/0xa40
[ 6849.823813][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.823813][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.823813][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.823813][   T10]      netlink_unicast+0x449/0x710
[ 6849.823813][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.823813][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.823813][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.823813][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.823813][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.823813][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.823813][   T10] 
[ 6849.825834][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.825834][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.825834][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.825834][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.825834][   T10]      ip6_route_add+0x1c/0x140
[ 6849.825834][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6849.825834][   T10]      addrconf_add_dev+0xe2/0x170
[ 6849.825834][   T10]      inet6_addr_add+0x12f/0xa40
[ 6849.825834][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.825834][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.825834][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.825834][   T10]      netlink_unicast+0x449/0x710
[ 6849.825834][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.825834][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.825834][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.825834][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.825834][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.825834][   T10] 
[ 6849.827997][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.827997][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6849.827997][   T10]      ipv6_find_idev+0x102/0x170
[ 6849.827997][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6849.827997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.827997][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.827997][   T10]      netlink_unicast+0x449/0x710
[ 6849.827997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.827997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.827997][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.827997][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.827997][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.827997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.827997][   T10] 
[ 6849.829691][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6849.829691][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6849.829691][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6849.829691][   T10]      ipv6_find_idev+0x102/0x170
[ 6849.829691][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6849.829691][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.829691][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.829691][   T10]      netlink_unicast+0x449/0x710
[ 6849.829691][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.829691][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.829691][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.829691][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.829691][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.829691][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.829691][   T10] 
[ 6849.831606][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6849.831903][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6849.831903][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.831903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.831903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.831903][   T10]      ip6_route_add+0x1c/0x140
[ 6849.831903][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6849.831903][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6849.831903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.831903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.831903][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.831903][   T10]      netlink_unicast+0x449/0x710
[ 6849.831903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.831903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.831903][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.831903][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.831903][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.831903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.831903][   T10] 
[ 6849.834084][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6849.834084][   T10]      netdev_get_by_index+0x5e/0x80
[ 6849.834084][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6849.834084][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6849.834084][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6849.834084][   T10]      ipv6_add_addr+0x411/0x2000
[ 6849.834084][   T10]      inet6_addr_add+0x30e/0xa40
[ 6849.834084][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6849.834084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.834084][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.834084][   T10]      netlink_unicast+0x449/0x710
[ 6849.834084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.834084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.834084][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.834084][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.834084][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.834084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.834084][   T10] 
[ 6849.836263][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6849.836263][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6849.836263][   T10]      ipv6_find_idev+0x102/0x170
[ 6849.836263][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6849.836263][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.836263][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.836263][   T10]      netlink_unicast+0x449/0x710
[ 6849.836263][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.836263][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.836263][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.836263][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.836263][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.836263][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.836263][   T10] 
[ 6849.837954][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6849.837954][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6849.837954][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6849.837954][   T10]      ipv6_find_idev+0x102/0x170
[ 6849.837954][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6849.837954][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6849.837954][   T10]      netlink_rcv_skb+0x130/0x360
[ 6849.837954][   T10]      netlink_unicast+0x449/0x710
[ 6849.837954][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6849.837954][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6849.837954][   T10]      ___sys_sendmsg+0xee/0x170
[ 6849.837954][   T10]      __sys_sendmsg+0xcd/0x170
[ 6849.837954][   T10]      do_syscall_64+0xc6/0x1e0
[ 6849.837954][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6849.837954][   T10] 
[ 6860.083305][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6860.083773][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.083773][   T10]      dst_init+0x84/0x4a0
[ 6860.083773][   T10]      dst_alloc+0x97/0x150
[ 6860.083773][   T10]      ip6_dst_alloc+0x23/0x90
[ 6860.083773][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6860.083773][   T10]      ip6_pol_route+0x56f/0x840
[ 6860.083773][   T10]      fib6_rule_lookup+0x456/0x630
[ 6860.083773][   T10]      ip6_route_input+0x59c/0xa50
[ 6860.083773][   T10]      ipv6_rcv+0x397/0x810
[ 6860.083773][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6860.083773][   T10]      process_backlog+0x101/0x620
[ 6860.083773][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6860.083773][   T10]      net_rx_action+0x495/0xbe0
[ 6860.083773][   T10]      __do_softirq+0x1b5/0x7f6
[ 6860.083773][   T10] 
[ 6860.085433][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.085433][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6860.085433][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6860.085433][   T10]      fib6_nh_init+0xa22/0x1580
[ 6860.085433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.085433][   T10]      ip6_route_add+0x1c/0x140
[ 6860.085433][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6860.085433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.085433][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.085433][   T10]      netlink_unicast+0x449/0x710
[ 6860.085433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.085433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.085433][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.085433][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.085433][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.085433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.085433][   T10] 
[ 6860.087278][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.087278][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.087278][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.087278][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.087278][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6860.087278][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6860.087278][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6860.087278][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6860.087278][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6860.087278][   T10]      addrconf_dad_begin+0x310/0x670
[ 6860.087278][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6860.087278][   T10]      process_one_work+0x84d/0x18a0
[ 6860.087278][   T10]      worker_thread+0x587/0xd30
[ 6860.087278][   T10]      kthread+0x28a/0x350
[ 6860.087278][   T10]      ret_from_fork+0x31/0x70
[ 6860.087278][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6860.087278][   T10] 
[ 6860.089141][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.089141][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.089141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.089141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.089141][   T10]      ip6_route_add+0x1c/0x140
[ 6860.089141][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6860.089141][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6860.089141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.089141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.089141][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.089141][   T10]      netlink_unicast+0x449/0x710
[ 6860.089141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.089141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.089141][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.089141][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.089141][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.089141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.089141][   T10] 
[ 6860.091091][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.091091][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.091091][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.091091][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.091091][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6860.091091][   T10]      ipv6_add_addr+0x411/0x2000
[ 6860.091091][   T10]      inet6_addr_add+0x30e/0xa40
[ 6860.091091][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.091091][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.091091][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.091091][   T10]      netlink_unicast+0x449/0x710
[ 6860.091091][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.091091][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.091091][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.091091][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.091091][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.091091][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.091091][   T10] 
[ 6860.093040][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.093040][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.093040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.093040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.093040][   T10]      ip6_route_add+0x1c/0x140
[ 6860.093040][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6860.093040][   T10]      addrconf_add_dev+0xe2/0x170
[ 6860.093040][   T10]      inet6_addr_add+0x12f/0xa40
[ 6860.093040][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.093040][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.093040][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.093040][   T10]      netlink_unicast+0x449/0x710
[ 6860.093040][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.093040][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.093040][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.093040][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.093040][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.093040][   T10] 
[ 6860.094967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.094967][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6860.094967][   T10]      ipv6_find_idev+0x102/0x170
[ 6860.094967][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6860.094967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.094967][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.094967][   T10]      netlink_unicast+0x449/0x710
[ 6860.094967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.094967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.094967][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.094967][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.094967][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.094967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.094967][   T10] 
[ 6860.096508][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6860.096508][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6860.096508][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6860.096508][   T10]      ipv6_find_idev+0x102/0x170
[ 6860.096508][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6860.096508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.096508][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.096508][   T10]      netlink_unicast+0x449/0x710
[ 6860.096508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.096508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.096508][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.096508][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.096508][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.096508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.096508][   T10] 
[ 6860.098169][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6860.098427][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.098427][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6860.098427][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6860.098427][   T10]      fib6_nh_init+0xa22/0x1580
[ 6860.098427][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.098427][   T10]      ip6_route_add+0x1c/0x140
[ 6860.098427][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6860.098427][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.098427][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.098427][   T10]      netlink_unicast+0x449/0x710
[ 6860.098427][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.098427][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.098427][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.098427][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.098427][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.098427][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.098427][   T10] 
[ 6860.100319][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.100319][   T10]      dst_init+0x84/0x4a0
[ 6860.100319][   T10]      dst_alloc+0x97/0x150
[ 6860.100319][   T10]      ip6_dst_alloc+0x23/0x90
[ 6860.100319][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6860.100319][   T10]      ip6_pol_route+0x56f/0x840
[ 6860.100319][   T10]      fib6_rule_lookup+0x456/0x630
[ 6860.100319][   T10]      ip6_route_input+0x59c/0xa50
[ 6860.100319][   T10]      ipv6_rcv+0x397/0x810
[ 6860.100319][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6860.100319][   T10]      process_backlog+0x101/0x620
[ 6860.100319][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6860.100319][   T10]      net_rx_action+0x495/0xbe0
[ 6860.100319][   T10]      __do_softirq+0x1b5/0x7f6
[ 6860.100319][   T10] 
[ 6860.101961][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.101961][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.101961][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.101961][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.101961][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6860.101961][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6860.101961][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6860.101961][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6860.101961][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6860.101961][   T10]      addrconf_dad_begin+0x310/0x670
[ 6860.101961][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6860.101961][   T10]      process_one_work+0x84d/0x18a0
[ 6860.101961][   T10]      worker_thread+0x587/0xd30
[ 6860.101961][   T10]      kthread+0x28a/0x350
[ 6860.101961][   T10]      ret_from_fork+0x31/0x70
[ 6860.101961][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6860.101961][   T10] 
[ 6860.103876][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.103876][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.103876][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.103876][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.103876][   T10]      ip6_route_add+0x1c/0x140
[ 6860.103876][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6860.103876][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6860.103876][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.103876][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.103876][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.103876][   T10]      netlink_unicast+0x449/0x710
[ 6860.103876][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.103876][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.103876][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.103876][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.103876][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.103876][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.103876][   T10] 
[ 6860.105879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.105879][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.105879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.105879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.105879][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6860.105879][   T10]      ipv6_add_addr+0x411/0x2000
[ 6860.105879][   T10]      inet6_addr_add+0x30e/0xa40
[ 6860.105879][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.105879][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.105879][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.105879][   T10]      netlink_unicast+0x449/0x710
[ 6860.105879][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.105879][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.105879][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.105879][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.105879][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.105879][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.105879][   T10] 
[ 6860.107853][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.107853][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.107853][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.107853][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.107853][   T10]      ip6_route_add+0x1c/0x140
[ 6860.107853][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6860.107853][   T10]      addrconf_add_dev+0xe2/0x170
[ 6860.107853][   T10]      inet6_addr_add+0x12f/0xa40
[ 6860.107853][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.107853][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.107853][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.107853][   T10]      netlink_unicast+0x449/0x710
[ 6860.107853][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.107853][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.107853][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.107853][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.107853][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.107853][   T10] 
[ 6860.110022][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.110022][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6860.110022][   T10]      ipv6_find_idev+0x102/0x170
[ 6860.110022][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6860.110022][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.110022][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.110022][   T10]      netlink_unicast+0x449/0x710
[ 6860.110022][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.110022][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.110022][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.110022][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.110022][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.110022][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.110022][   T10] 
[ 6860.111728][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6860.111728][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6860.111728][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6860.111728][   T10]      ipv6_find_idev+0x102/0x170
[ 6860.111728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6860.111728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.111728][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.111728][   T10]      netlink_unicast+0x449/0x710
[ 6860.111728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.111728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.111728][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.111728][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.111728][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.111728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.111728][   T10] 
[ 6860.113591][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6860.113901][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6860.113901][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.113901][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.113901][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.113901][   T10]      ip6_route_add+0x1c/0x140
[ 6860.113901][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6860.113901][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6860.113901][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.113901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.113901][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.113901][   T10]      netlink_unicast+0x449/0x710
[ 6860.113901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.113901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.113901][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.113901][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.113901][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.113901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.113901][   T10] 
[ 6860.116072][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6860.116072][   T10]      netdev_get_by_index+0x5e/0x80
[ 6860.116072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6860.116072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6860.116072][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6860.116072][   T10]      ipv6_add_addr+0x411/0x2000
[ 6860.116072][   T10]      inet6_addr_add+0x30e/0xa40
[ 6860.116072][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6860.116072][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.116072][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.116072][   T10]      netlink_unicast+0x449/0x710
[ 6860.116072][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.116072][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.116072][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.116072][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.116072][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.116072][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.116072][   T10] 
[ 6860.118292][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6860.118292][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6860.118292][   T10]      ipv6_find_idev+0x102/0x170
[ 6860.118292][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6860.118292][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.118292][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.118292][   T10]      netlink_unicast+0x449/0x710
[ 6860.118292][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.118292][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.118292][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.118292][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.118292][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.118292][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.118292][   T10] 
[ 6860.120005][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6860.120005][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6860.120005][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6860.120005][   T10]      ipv6_find_idev+0x102/0x170
[ 6860.120005][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6860.120005][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6860.120005][   T10]      netlink_rcv_skb+0x130/0x360
[ 6860.120005][   T10]      netlink_unicast+0x449/0x710
[ 6860.120005][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6860.120005][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6860.120005][   T10]      ___sys_sendmsg+0xee/0x170
[ 6860.120005][   T10]      __sys_sendmsg+0xcd/0x170
[ 6860.120005][   T10]      do_syscall_64+0xc6/0x1e0
[ 6860.120005][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6860.120005][   T10] 
[ 6870.360780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6870.361435][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.361435][   T10]      dst_init+0x84/0x4a0
[ 6870.361435][   T10]      dst_alloc+0x97/0x150
[ 6870.361435][   T10]      ip6_dst_alloc+0x23/0x90
[ 6870.361435][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6870.361435][   T10]      ip6_pol_route+0x56f/0x840
[ 6870.361435][   T10]      fib6_rule_lookup+0x456/0x630
[ 6870.361435][   T10]      ip6_route_input+0x59c/0xa50
[ 6870.361435][   T10]      ipv6_rcv+0x397/0x810
[ 6870.361435][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6870.361435][   T10]      process_backlog+0x101/0x620
[ 6870.361435][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6870.361435][   T10]      net_rx_action+0x495/0xbe0
[ 6870.361435][   T10]      __do_softirq+0x1b5/0x7f6
[ 6870.361435][   T10] 
[ 6870.363096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.363096][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6870.363096][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6870.363096][   T10]      fib6_nh_init+0xa22/0x1580
[ 6870.363096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.363096][   T10]      ip6_route_add+0x1c/0x140
[ 6870.363096][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6870.363096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.363096][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.363096][   T10]      netlink_unicast+0x449/0x710
[ 6870.363096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.363096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.363096][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.363096][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.363096][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.363096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.363096][   T10] 
[ 6870.365014][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.365014][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.365014][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.365014][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.365014][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6870.365014][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6870.365014][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6870.365014][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6870.365014][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6870.365014][   T10]      addrconf_dad_begin+0x310/0x670
[ 6870.365014][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6870.365014][   T10]      process_one_work+0x84d/0x18a0
[ 6870.365014][   T10]      worker_thread+0x587/0xd30
[ 6870.365014][   T10]      kthread+0x28a/0x350
[ 6870.365014][   T10]      ret_from_fork+0x31/0x70
[ 6870.365014][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6870.365014][   T10] 
[ 6870.366910][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.366910][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.366910][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.366910][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.366910][   T10]      ip6_route_add+0x1c/0x140
[ 6870.366910][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6870.366910][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6870.366910][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.366910][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.366910][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.366910][   T10]      netlink_unicast+0x449/0x710
[ 6870.366910][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.366910][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.366910][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.366910][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.366910][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.366910][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.366910][   T10] 
[ 6870.368939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.368939][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.368939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.368939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.368939][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6870.368939][   T10]      ipv6_add_addr+0x411/0x2000
[ 6870.368939][   T10]      inet6_addr_add+0x30e/0xa40
[ 6870.368939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.368939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.368939][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.368939][   T10]      netlink_unicast+0x449/0x710
[ 6870.368939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.368939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.368939][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.368939][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.368939][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.368939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.368939][   T10] 
[ 6870.370948][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.370948][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.370948][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.370948][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.370948][   T10]      ip6_route_add+0x1c/0x140
[ 6870.370948][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6870.370948][   T10]      addrconf_add_dev+0xe2/0x170
[ 6870.370948][   T10]      inet6_addr_add+0x12f/0xa40
[ 6870.370948][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.370948][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.370948][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.370948][   T10]      netlink_unicast+0x449/0x710
[ 6870.370948][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.370948][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.370948][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.370948][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.370948][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.370948][   T10] 
[ 6870.372916][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.372916][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6870.372916][   T10]      ipv6_find_idev+0x102/0x170
[ 6870.372916][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6870.372916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.372916][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.372916][   T10]      netlink_unicast+0x449/0x710
[ 6870.372916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.372916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.372916][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.372916][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.372916][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.372916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.372916][   T10] 
[ 6870.374500][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6870.374500][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6870.374500][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6870.374500][   T10]      ipv6_find_idev+0x102/0x170
[ 6870.374500][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6870.374500][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.374500][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.374500][   T10]      netlink_unicast+0x449/0x710
[ 6870.374500][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.374500][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.374500][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.374500][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.374500][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.374500][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.374500][   T10] 
[ 6870.376222][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6870.376464][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.376464][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6870.376464][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6870.376464][   T10]      fib6_nh_init+0xa22/0x1580
[ 6870.376464][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.376464][   T10]      ip6_route_add+0x1c/0x140
[ 6870.376464][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6870.376464][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.376464][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.376464][   T10]      netlink_unicast+0x449/0x710
[ 6870.376464][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.376464][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.376464][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.376464][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.376464][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.376464][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.376464][   T10] 
[ 6870.378326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.378326][   T10]      dst_init+0x84/0x4a0
[ 6870.378326][   T10]      dst_alloc+0x97/0x150
[ 6870.378326][   T10]      ip6_dst_alloc+0x23/0x90
[ 6870.378326][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6870.378326][   T10]      ip6_pol_route+0x56f/0x840
[ 6870.378326][   T10]      fib6_rule_lookup+0x456/0x630
[ 6870.378326][   T10]      ip6_route_input+0x59c/0xa50
[ 6870.378326][   T10]      ipv6_rcv+0x397/0x810
[ 6870.378326][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6870.378326][   T10]      process_backlog+0x101/0x620
[ 6870.378326][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6870.378326][   T10]      net_rx_action+0x495/0xbe0
[ 6870.378326][   T10]      __do_softirq+0x1b5/0x7f6
[ 6870.378326][   T10] 
[ 6870.379988][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.379988][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.379988][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.379988][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.379988][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6870.379988][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6870.379988][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6870.379988][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6870.379988][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6870.379988][   T10]      addrconf_dad_begin+0x310/0x670
[ 6870.379988][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6870.379988][   T10]      process_one_work+0x84d/0x18a0
[ 6870.379988][   T10]      worker_thread+0x587/0xd30
[ 6870.379988][   T10]      kthread+0x28a/0x350
[ 6870.379988][   T10]      ret_from_fork+0x31/0x70
[ 6870.379988][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6870.379988][   T10] 
[ 6870.381840][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.381840][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.381840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.381840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.381840][   T10]      ip6_route_add+0x1c/0x140
[ 6870.381840][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6870.381840][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6870.381840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.381840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.381840][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.381840][   T10]      netlink_unicast+0x449/0x710
[ 6870.381840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.381840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.381840][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.381840][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.381840][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.381840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.381840][   T10] 
[ 6870.383783][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.383783][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.383783][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.383783][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.383783][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6870.383783][   T10]      ipv6_add_addr+0x411/0x2000
[ 6870.383783][   T10]      inet6_addr_add+0x30e/0xa40
[ 6870.383783][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.383783][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.383783][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.383783][   T10]      netlink_unicast+0x449/0x710
[ 6870.383783][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.383783][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.383783][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.383783][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.383783][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.383783][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.383783][   T10] 
[ 6870.385804][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.385804][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.385804][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.385804][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.385804][   T10]      ip6_route_add+0x1c/0x140
[ 6870.385804][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6870.385804][   T10]      addrconf_add_dev+0xe2/0x170
[ 6870.385804][   T10]      inet6_addr_add+0x12f/0xa40
[ 6870.385804][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.385804][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.385804][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.385804][   T10]      netlink_unicast+0x449/0x710
[ 6870.385804][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.385804][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.385804][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.385804][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.385804][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.385804][   T10] 
[ 6870.387926][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.387926][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6870.387926][   T10]      ipv6_find_idev+0x102/0x170
[ 6870.387926][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6870.387926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.387926][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.387926][   T10]      netlink_unicast+0x449/0x710
[ 6870.387926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.387926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.387926][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.387926][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.387926][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.387926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.387926][   T10] 
[ 6870.389707][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6870.389707][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6870.389707][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6870.389707][   T10]      ipv6_find_idev+0x102/0x170
[ 6870.389707][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6870.389707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.389707][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.389707][   T10]      netlink_unicast+0x449/0x710
[ 6870.389707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.389707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.389707][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.389707][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.389707][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.389707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.389707][   T10] 
[ 6870.391575][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6870.391845][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6870.391845][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.391845][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.391845][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.391845][   T10]      ip6_route_add+0x1c/0x140
[ 6870.391845][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6870.391845][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6870.391845][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.391845][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.391845][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.391845][   T10]      netlink_unicast+0x449/0x710
[ 6870.391845][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.391845][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.391845][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.391845][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.391845][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.391845][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.391845][   T10] 
[ 6870.394108][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6870.394108][   T10]      netdev_get_by_index+0x5e/0x80
[ 6870.394108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6870.394108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6870.394108][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6870.394108][   T10]      ipv6_add_addr+0x411/0x2000
[ 6870.394108][   T10]      inet6_addr_add+0x30e/0xa40
[ 6870.394108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6870.394108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.394108][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.394108][   T10]      netlink_unicast+0x449/0x710
[ 6870.394108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.394108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.394108][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.394108][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.394108][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.394108][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.394108][   T10] 
[ 6870.396383][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6870.396383][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6870.396383][   T10]      ipv6_find_idev+0x102/0x170
[ 6870.396383][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6870.396383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.396383][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.396383][   T10]      netlink_unicast+0x449/0x710
[ 6870.396383][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.396383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.396383][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.396383][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.396383][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.396383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.396383][   T10] 
[ 6870.398154][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6870.398154][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6870.398154][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6870.398154][   T10]      ipv6_find_idev+0x102/0x170
[ 6870.398154][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6870.398154][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6870.398154][   T10]      netlink_rcv_skb+0x130/0x360
[ 6870.398154][   T10]      netlink_unicast+0x449/0x710
[ 6870.398154][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6870.398154][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6870.398154][   T10]      ___sys_sendmsg+0xee/0x170
[ 6870.398154][   T10]      __sys_sendmsg+0xcd/0x170
[ 6870.398154][   T10]      do_syscall_64+0xc6/0x1e0
[ 6870.398154][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6870.398154][   T10] 
[ 6880.640700][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6880.641171][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.641171][   T10]      dst_init+0x84/0x4a0
[ 6880.641171][   T10]      dst_alloc+0x97/0x150
[ 6880.641171][   T10]      ip6_dst_alloc+0x23/0x90
[ 6880.641171][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6880.641171][   T10]      ip6_pol_route+0x56f/0x840
[ 6880.641171][   T10]      fib6_rule_lookup+0x456/0x630
[ 6880.641171][   T10]      ip6_route_input+0x59c/0xa50
[ 6880.641171][   T10]      ipv6_rcv+0x397/0x810
[ 6880.641171][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6880.641171][   T10]      process_backlog+0x101/0x620
[ 6880.641171][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6880.641171][   T10]      net_rx_action+0x495/0xbe0
[ 6880.641171][   T10]      __do_softirq+0x1b5/0x7f6
[ 6880.641171][   T10] 
[ 6880.642893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.642893][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6880.642893][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6880.642893][   T10]      fib6_nh_init+0xa22/0x1580
[ 6880.642893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.642893][   T10]      ip6_route_add+0x1c/0x140
[ 6880.642893][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6880.642893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.642893][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.642893][   T10]      netlink_unicast+0x449/0x710
[ 6880.642893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.642893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.642893][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.642893][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.642893][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.642893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.642893][   T10] 
[ 6880.644820][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.644820][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.644820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.644820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.644820][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6880.644820][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6880.644820][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6880.644820][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6880.644820][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6880.644820][   T10]      addrconf_dad_begin+0x310/0x670
[ 6880.644820][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6880.644820][   T10]      process_one_work+0x84d/0x18a0
[ 6880.644820][   T10]      worker_thread+0x587/0xd30
[ 6880.644820][   T10]      kthread+0x28a/0x350
[ 6880.644820][   T10]      ret_from_fork+0x31/0x70
[ 6880.644820][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6880.644820][   T10] 
[ 6880.646852][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.646852][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.646852][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.646852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.646852][   T10]      ip6_route_add+0x1c/0x140
[ 6880.646852][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6880.646852][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6880.646852][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.646852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.646852][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.646852][   T10]      netlink_unicast+0x449/0x710
[ 6880.646852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.646852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.646852][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.646852][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.646852][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.646852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.646852][   T10] 
[ 6880.648872][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.648872][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.648872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.648872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.648872][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6880.648872][   T10]      ipv6_add_addr+0x411/0x2000
[ 6880.648872][   T10]      inet6_addr_add+0x30e/0xa40
[ 6880.648872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.648872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.648872][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.648872][   T10]      netlink_unicast+0x449/0x710
[ 6880.648872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.648872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.648872][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.648872][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.648872][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.648872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.648872][   T10] 
[ 6880.650881][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.650881][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.650881][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.650881][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.650881][   T10]      ip6_route_add+0x1c/0x140
[ 6880.650881][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6880.650881][   T10]      addrconf_add_dev+0xe2/0x170
[ 6880.650881][   T10]      inet6_addr_add+0x12f/0xa40
[ 6880.650881][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.650881][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.650881][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.650881][   T10]      netlink_unicast+0x449/0x710
[ 6880.650881][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.650881][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.650881][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.650881][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.650881][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.650881][   T10] 
[ 6880.652851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.652851][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6880.652851][   T10]      ipv6_find_idev+0x102/0x170
[ 6880.652851][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6880.652851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.652851][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.652851][   T10]      netlink_unicast+0x449/0x710
[ 6880.652851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.652851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.652851][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.652851][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.652851][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.652851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.652851][   T10] 
[ 6880.654399][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6880.654399][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6880.654399][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6880.654399][   T10]      ipv6_find_idev+0x102/0x170
[ 6880.654399][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6880.654399][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.654399][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.654399][   T10]      netlink_unicast+0x449/0x710
[ 6880.654399][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.654399][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.654399][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.654399][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.654399][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.654399][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.654399][   T10] 
[ 6880.656106][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6880.656347][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.656347][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6880.656347][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6880.656347][   T10]      fib6_nh_init+0xa22/0x1580
[ 6880.656347][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.656347][   T10]      ip6_route_add+0x1c/0x140
[ 6880.656347][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6880.656347][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.656347][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.656347][   T10]      netlink_unicast+0x449/0x710
[ 6880.656347][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.656347][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.656347][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.656347][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.656347][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.656347][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.656347][   T10] 
[ 6880.658235][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.658235][   T10]      dst_init+0x84/0x4a0
[ 6880.658235][   T10]      dst_alloc+0x97/0x150
[ 6880.658235][   T10]      ip6_dst_alloc+0x23/0x90
[ 6880.658235][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6880.658235][   T10]      ip6_pol_route+0x56f/0x840
[ 6880.658235][   T10]      fib6_rule_lookup+0x456/0x630
[ 6880.658235][   T10]      ip6_route_input+0x59c/0xa50
[ 6880.658235][   T10]      ipv6_rcv+0x397/0x810
[ 6880.658235][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6880.658235][   T10]      process_backlog+0x101/0x620
[ 6880.658235][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6880.658235][   T10]      net_rx_action+0x495/0xbe0
[ 6880.658235][   T10]      __do_softirq+0x1b5/0x7f6
[ 6880.658235][   T10] 
[ 6880.659879][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.659879][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.659879][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.659879][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.659879][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6880.659879][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6880.659879][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6880.659879][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6880.659879][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6880.659879][   T10]      addrconf_dad_begin+0x310/0x670
[ 6880.659879][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6880.659879][   T10]      process_one_work+0x84d/0x18a0
[ 6880.659879][   T10]      worker_thread+0x587/0xd30
[ 6880.659879][   T10]      kthread+0x28a/0x350
[ 6880.659879][   T10]      ret_from_fork+0x31/0x70
[ 6880.659879][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6880.659879][   T10] 
[ 6880.661801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.661801][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.661801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.661801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.661801][   T10]      ip6_route_add+0x1c/0x140
[ 6880.661801][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6880.661801][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6880.661801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.661801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.661801][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.661801][   T10]      netlink_unicast+0x449/0x710
[ 6880.661801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.661801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.661801][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.661801][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.661801][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.661801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.661801][   T10] 
[ 6880.663800][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.663800][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.663800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.663800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.663800][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6880.663800][   T10]      ipv6_add_addr+0x411/0x2000
[ 6880.663800][   T10]      inet6_addr_add+0x30e/0xa40
[ 6880.663800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.663800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.663800][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.663800][   T10]      netlink_unicast+0x449/0x710
[ 6880.663800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.663800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.663800][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.663800][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.663800][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.663800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.663800][   T10] 
[ 6880.665816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.665816][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.665816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.665816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.665816][   T10]      ip6_route_add+0x1c/0x140
[ 6880.665816][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6880.665816][   T10]      addrconf_add_dev+0xe2/0x170
[ 6880.665816][   T10]      inet6_addr_add+0x12f/0xa40
[ 6880.665816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.665816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.665816][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.665816][   T10]      netlink_unicast+0x449/0x710
[ 6880.665816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.665816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.665816][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.665816][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.665816][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.665816][   T10] 
[ 6880.667965][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.667965][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6880.667965][   T10]      ipv6_find_idev+0x102/0x170
[ 6880.667965][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6880.667965][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.667965][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.667965][   T10]      netlink_unicast+0x449/0x710
[ 6880.667965][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.667965][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.667965][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.667965][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.667965][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.667965][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.667965][   T10] 
[ 6880.669696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6880.669696][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6880.669696][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6880.669696][   T10]      ipv6_find_idev+0x102/0x170
[ 6880.669696][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6880.669696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.669696][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.669696][   T10]      netlink_unicast+0x449/0x710
[ 6880.669696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.669696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.669696][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.669696][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.669696][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.669696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.669696][   T10] 
[ 6880.671639][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6880.671895][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6880.671895][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.671895][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.671895][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.671895][   T10]      ip6_route_add+0x1c/0x140
[ 6880.671895][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6880.671895][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6880.671895][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.671895][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.671895][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.671895][   T10]      netlink_unicast+0x449/0x710
[ 6880.671895][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.671895][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.671895][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.671895][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.671895][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.671895][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.671895][   T10] 
[ 6880.674140][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6880.674140][   T10]      netdev_get_by_index+0x5e/0x80
[ 6880.674140][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6880.674140][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6880.674140][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6880.674140][   T10]      ipv6_add_addr+0x411/0x2000
[ 6880.674140][   T10]      inet6_addr_add+0x30e/0xa40
[ 6880.674140][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6880.674140][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.674140][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.674140][   T10]      netlink_unicast+0x449/0x710
[ 6880.674140][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.674140][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.674140][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.674140][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.674140][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.674140][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.674140][   T10] 
[ 6880.676412][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6880.676412][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6880.676412][   T10]      ipv6_find_idev+0x102/0x170
[ 6880.676412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6880.676412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.676412][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.676412][   T10]      netlink_unicast+0x449/0x710
[ 6880.676412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.676412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.676412][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.676412][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.676412][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.676412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.676412][   T10] 
[ 6880.678204][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6880.678204][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6880.678204][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6880.678204][   T10]      ipv6_find_idev+0x102/0x170
[ 6880.678204][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6880.678204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6880.678204][   T10]      netlink_rcv_skb+0x130/0x360
[ 6880.678204][   T10]      netlink_unicast+0x449/0x710
[ 6880.678204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6880.678204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6880.678204][   T10]      ___sys_sendmsg+0xee/0x170
[ 6880.678204][   T10]      __sys_sendmsg+0xcd/0x170
[ 6880.678204][   T10]      do_syscall_64+0xc6/0x1e0
[ 6880.678204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6880.678204][   T10] 
[ 6890.912764][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6890.913521][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.913521][   T10]      dst_init+0x84/0x4a0
[ 6890.913521][   T10]      dst_alloc+0x97/0x150
[ 6890.913521][   T10]      ip6_dst_alloc+0x23/0x90
[ 6890.913521][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6890.913521][   T10]      ip6_pol_route+0x56f/0x840
[ 6890.913521][   T10]      fib6_rule_lookup+0x456/0x630
[ 6890.913521][   T10]      ip6_route_input+0x59c/0xa50
[ 6890.913521][   T10]      ipv6_rcv+0x397/0x810
[ 6890.913521][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6890.913521][   T10]      process_backlog+0x101/0x620
[ 6890.913521][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6890.913521][   T10]      net_rx_action+0x495/0xbe0
[ 6890.913521][   T10]      __do_softirq+0x1b5/0x7f6
[ 6890.913521][   T10] 
[ 6890.915177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.915177][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6890.915177][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6890.915177][   T10]      fib6_nh_init+0xa22/0x1580
[ 6890.915177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.915177][   T10]      ip6_route_add+0x1c/0x140
[ 6890.915177][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6890.915177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.915177][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.915177][   T10]      netlink_unicast+0x449/0x710
[ 6890.915177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.915177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.915177][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.915177][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.915177][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.915177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.915177][   T10] 
[ 6890.917065][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.917065][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.917065][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.917065][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.917065][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6890.917065][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6890.917065][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6890.917065][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6890.917065][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6890.917065][   T10]      addrconf_dad_begin+0x310/0x670
[ 6890.917065][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6890.917065][   T10]      process_one_work+0x84d/0x18a0
[ 6890.917065][   T10]      worker_thread+0x587/0xd30
[ 6890.917065][   T10]      kthread+0x28a/0x350
[ 6890.917065][   T10]      ret_from_fork+0x31/0x70
[ 6890.917065][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6890.917065][   T10] 
[ 6890.918946][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.918946][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.918946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.918946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.918946][   T10]      ip6_route_add+0x1c/0x140
[ 6890.918946][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6890.918946][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6890.918946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.918946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.918946][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.918946][   T10]      netlink_unicast+0x449/0x710
[ 6890.918946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.918946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.918946][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.918946][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.918946][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.918946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.918946][   T10] 
[ 6890.920930][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.920930][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.920930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.920930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.920930][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6890.920930][   T10]      ipv6_add_addr+0x411/0x2000
[ 6890.920930][   T10]      inet6_addr_add+0x30e/0xa40
[ 6890.920930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.920930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.920930][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.920930][   T10]      netlink_unicast+0x449/0x710
[ 6890.920930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.920930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.920930][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.920930][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.920930][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.920930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.920930][   T10] 
[ 6890.922936][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.922936][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.922936][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.922936][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.922936][   T10]      ip6_route_add+0x1c/0x140
[ 6890.922936][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6890.922936][   T10]      addrconf_add_dev+0xe2/0x170
[ 6890.922936][   T10]      inet6_addr_add+0x12f/0xa40
[ 6890.922936][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.922936][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.922936][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.922936][   T10]      netlink_unicast+0x449/0x710
[ 6890.922936][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.922936][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.922936][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.922936][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.922936][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.922936][   T10] 
[ 6890.924926][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.924926][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6890.924926][   T10]      ipv6_find_idev+0x102/0x170
[ 6890.924926][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6890.924926][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.924926][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.924926][   T10]      netlink_unicast+0x449/0x710
[ 6890.924926][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.924926][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.924926][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.924926][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.924926][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.924926][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.924926][   T10] 
[ 6890.926474][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6890.926474][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6890.926474][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6890.926474][   T10]      ipv6_find_idev+0x102/0x170
[ 6890.926474][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6890.926474][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.926474][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.926474][   T10]      netlink_unicast+0x449/0x710
[ 6890.926474][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.926474][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.926474][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.926474][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.926474][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.926474][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.926474][   T10] 
[ 6890.928169][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6890.928412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.928412][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6890.928412][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6890.928412][   T10]      fib6_nh_init+0xa22/0x1580
[ 6890.928412][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.928412][   T10]      ip6_route_add+0x1c/0x140
[ 6890.928412][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6890.928412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.928412][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.928412][   T10]      netlink_unicast+0x449/0x710
[ 6890.928412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.928412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.928412][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.928412][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.928412][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.928412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.928412][   T10] 
[ 6890.930297][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.930297][   T10]      dst_init+0x84/0x4a0
[ 6890.930297][   T10]      dst_alloc+0x97/0x150
[ 6890.930297][   T10]      ip6_dst_alloc+0x23/0x90
[ 6890.930297][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6890.930297][   T10]      ip6_pol_route+0x56f/0x840
[ 6890.930297][   T10]      fib6_rule_lookup+0x456/0x630
[ 6890.930297][   T10]      ip6_route_input+0x59c/0xa50
[ 6890.930297][   T10]      ipv6_rcv+0x397/0x810
[ 6890.930297][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6890.930297][   T10]      process_backlog+0x101/0x620
[ 6890.930297][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6890.930297][   T10]      net_rx_action+0x495/0xbe0
[ 6890.930297][   T10]      __do_softirq+0x1b5/0x7f6
[ 6890.930297][   T10] 
[ 6890.931886][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.931886][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.931886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.931886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.931886][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6890.931886][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6890.931886][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6890.931886][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6890.931886][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6890.931886][   T10]      addrconf_dad_begin+0x310/0x670
[ 6890.931886][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6890.931886][   T10]      process_one_work+0x84d/0x18a0
[ 6890.931886][   T10]      worker_thread+0x587/0xd30
[ 6890.931886][   T10]      kthread+0x28a/0x350
[ 6890.931886][   T10]      ret_from_fork+0x31/0x70
[ 6890.931886][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6890.931886][   T10] 
[ 6890.933791][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.933791][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.933791][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.933791][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.933791][   T10]      ip6_route_add+0x1c/0x140
[ 6890.933791][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6890.933791][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6890.933791][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.933791][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.933791][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.933791][   T10]      netlink_unicast+0x449/0x710
[ 6890.933791][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.933791][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.933791][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.933791][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.933791][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.933791][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.933791][   T10] 
[ 6890.935815][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.935815][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.935815][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.935815][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.935815][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6890.935815][   T10]      ipv6_add_addr+0x411/0x2000
[ 6890.935815][   T10]      inet6_addr_add+0x30e/0xa40
[ 6890.935815][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.935815][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.935815][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.935815][   T10]      netlink_unicast+0x449/0x710
[ 6890.935815][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.935815][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.935815][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.935815][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.935815][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.935815][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.935815][   T10] 
[ 6890.937816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.937816][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.937816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.937816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.937816][   T10]      ip6_route_add+0x1c/0x140
[ 6890.937816][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6890.937816][   T10]      addrconf_add_dev+0xe2/0x170
[ 6890.937816][   T10]      inet6_addr_add+0x12f/0xa40
[ 6890.937816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.937816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.937816][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.937816][   T10]      netlink_unicast+0x449/0x710
[ 6890.937816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.937816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.937816][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.937816][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.937816][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.937816][   T10] 
[ 6890.939903][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.939903][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6890.939903][   T10]      ipv6_find_idev+0x102/0x170
[ 6890.939903][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6890.939903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.939903][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.939903][   T10]      netlink_unicast+0x449/0x710
[ 6890.939903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.939903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.939903][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.939903][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.939903][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.939903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.939903][   T10] 
[ 6890.941627][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6890.941627][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6890.941627][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6890.941627][   T10]      ipv6_find_idev+0x102/0x170
[ 6890.941627][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6890.941627][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.941627][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.941627][   T10]      netlink_unicast+0x449/0x710
[ 6890.941627][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.941627][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.941627][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.941627][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.941627][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.941627][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.941627][   T10] 
[ 6890.943479][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6890.943727][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6890.943727][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.943727][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.943727][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.943727][   T10]      ip6_route_add+0x1c/0x140
[ 6890.943727][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6890.943727][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6890.943727][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.943727][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.943727][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.943727][   T10]      netlink_unicast+0x449/0x710
[ 6890.943727][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.943727][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.943727][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.943727][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.943727][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.943727][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.943727][   T10] 
[ 6890.945975][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6890.945975][   T10]      netdev_get_by_index+0x5e/0x80
[ 6890.945975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6890.945975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6890.945975][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6890.945975][   T10]      ipv6_add_addr+0x411/0x2000
[ 6890.945975][   T10]      inet6_addr_add+0x30e/0xa40
[ 6890.945975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6890.945975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.945975][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.945975][   T10]      netlink_unicast+0x449/0x710
[ 6890.945975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.945975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.945975][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.945975][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.945975][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.945975][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.945975][   T10] 
[ 6890.948213][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6890.948213][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6890.948213][   T10]      ipv6_find_idev+0x102/0x170
[ 6890.948213][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6890.948213][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.948213][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.948213][   T10]      netlink_unicast+0x449/0x710
[ 6890.948213][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.948213][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.948213][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.948213][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.948213][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.948213][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.948213][   T10] 
[ 6890.950009][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6890.950009][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6890.950009][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6890.950009][   T10]      ipv6_find_idev+0x102/0x170
[ 6890.950009][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6890.950009][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6890.950009][   T10]      netlink_rcv_skb+0x130/0x360
[ 6890.950009][   T10]      netlink_unicast+0x449/0x710
[ 6890.950009][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6890.950009][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6890.950009][   T10]      ___sys_sendmsg+0xee/0x170
[ 6890.950009][   T10]      __sys_sendmsg+0xcd/0x170
[ 6890.950009][   T10]      do_syscall_64+0xc6/0x1e0
[ 6890.950009][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6890.950009][   T10] 
[ 6901.192779][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6901.193635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.193635][   T10]      dst_init+0x84/0x4a0
[ 6901.193635][   T10]      dst_alloc+0x97/0x150
[ 6901.193635][   T10]      ip6_dst_alloc+0x23/0x90
[ 6901.193635][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6901.193635][   T10]      ip6_pol_route+0x56f/0x840
[ 6901.193635][   T10]      fib6_rule_lookup+0x456/0x630
[ 6901.193635][   T10]      ip6_route_input+0x59c/0xa50
[ 6901.193635][   T10]      ipv6_rcv+0x397/0x810
[ 6901.193635][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6901.193635][   T10]      process_backlog+0x101/0x620
[ 6901.193635][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6901.193635][   T10]      net_rx_action+0x495/0xbe0
[ 6901.193635][   T10]      __do_softirq+0x1b5/0x7f6
[ 6901.193635][   T10] 
[ 6901.195319][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.195319][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6901.195319][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6901.195319][   T10]      fib6_nh_init+0xa22/0x1580
[ 6901.195319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.195319][   T10]      ip6_route_add+0x1c/0x140
[ 6901.195319][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6901.195319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.195319][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.195319][   T10]      netlink_unicast+0x449/0x710
[ 6901.195319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.195319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.195319][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.195319][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.195319][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.195319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.195319][   T10] 
[ 6901.197196][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.197196][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.197196][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.197196][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.197196][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6901.197196][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6901.197196][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6901.197196][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6901.197196][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6901.197196][   T10]      addrconf_dad_begin+0x310/0x670
[ 6901.197196][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6901.197196][   T10]      process_one_work+0x84d/0x18a0
[ 6901.197196][   T10]      worker_thread+0x587/0xd30
[ 6901.197196][   T10]      kthread+0x28a/0x350
[ 6901.197196][   T10]      ret_from_fork+0x31/0x70
[ 6901.197196][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6901.197196][   T10] 
[ 6901.199096][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.199096][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.199096][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.199096][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.199096][   T10]      ip6_route_add+0x1c/0x140
[ 6901.199096][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6901.199096][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6901.199096][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.199096][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.199096][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.199096][   T10]      netlink_unicast+0x449/0x710
[ 6901.199096][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.199096][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.199096][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.199096][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.199096][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.199096][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.199096][   T10] 
[ 6901.201090][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.201090][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.201090][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.201090][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.201090][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6901.201090][   T10]      ipv6_add_addr+0x411/0x2000
[ 6901.201090][   T10]      inet6_addr_add+0x30e/0xa40
[ 6901.201090][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.201090][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.201090][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.201090][   T10]      netlink_unicast+0x449/0x710
[ 6901.201090][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.201090][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.201090][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.201090][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.201090][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.201090][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.201090][   T10] 
[ 6901.203076][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.203076][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.203076][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.203076][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.203076][   T10]      ip6_route_add+0x1c/0x140
[ 6901.203076][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6901.203076][   T10]      addrconf_add_dev+0xe2/0x170
[ 6901.203076][   T10]      inet6_addr_add+0x12f/0xa40
[ 6901.203076][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.203076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.203076][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.203076][   T10]      netlink_unicast+0x449/0x710
[ 6901.203076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.203076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.203076][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.203076][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.203076][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.203076][   T10] 
[ 6901.205054][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.205054][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6901.205054][   T10]      ipv6_find_idev+0x102/0x170
[ 6901.205054][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6901.205054][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.205054][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.205054][   T10]      netlink_unicast+0x449/0x710
[ 6901.205054][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.205054][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.205054][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.205054][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.205054][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.205054][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.205054][   T10] 
[ 6901.206614][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6901.206614][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6901.206614][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6901.206614][   T10]      ipv6_find_idev+0x102/0x170
[ 6901.206614][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6901.206614][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.206614][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.206614][   T10]      netlink_unicast+0x449/0x710
[ 6901.206614][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.206614][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.206614][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.206614][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.206614][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.206614][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.206614][   T10] 
[ 6901.208318][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6901.208571][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.208571][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6901.208571][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6901.208571][   T10]      fib6_nh_init+0xa22/0x1580
[ 6901.208571][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.208571][   T10]      ip6_route_add+0x1c/0x140
[ 6901.208571][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6901.208571][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.208571][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.208571][   T10]      netlink_unicast+0x449/0x710
[ 6901.208571][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.208571][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.208571][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.208571][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.208571][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.208571][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.208571][   T10] 
[ 6901.210440][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.210440][   T10]      dst_init+0x84/0x4a0
[ 6901.210440][   T10]      dst_alloc+0x97/0x150
[ 6901.210440][   T10]      ip6_dst_alloc+0x23/0x90
[ 6901.210440][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6901.210440][   T10]      ip6_pol_route+0x56f/0x840
[ 6901.210440][   T10]      fib6_rule_lookup+0x456/0x630
[ 6901.210440][   T10]      ip6_route_input+0x59c/0xa50
[ 6901.210440][   T10]      ipv6_rcv+0x397/0x810
[ 6901.210440][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6901.210440][   T10]      process_backlog+0x101/0x620
[ 6901.210440][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6901.210440][   T10]      net_rx_action+0x495/0xbe0
[ 6901.210440][   T10]      __do_softirq+0x1b5/0x7f6
[ 6901.210440][   T10] 
[ 6901.212028][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.212028][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.212028][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.212028][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.212028][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6901.212028][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6901.212028][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6901.212028][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6901.212028][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6901.212028][   T10]      addrconf_dad_begin+0x310/0x670
[ 6901.212028][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6901.212028][   T10]      process_one_work+0x84d/0x18a0
[ 6901.212028][   T10]      worker_thread+0x587/0xd30
[ 6901.212028][   T10]      kthread+0x28a/0x350
[ 6901.212028][   T10]      ret_from_fork+0x31/0x70
[ 6901.212028][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6901.212028][   T10] 
[ 6901.213986][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.213986][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.213986][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.213986][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.213986][   T10]      ip6_route_add+0x1c/0x140
[ 6901.213986][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6901.213986][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6901.213986][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.213986][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.213986][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.213986][   T10]      netlink_unicast+0x449/0x710
[ 6901.213986][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.213986][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.213986][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.213986][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.213986][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.213986][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.213986][   T10] 
[ 6901.215993][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.215993][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.215993][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.215993][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.215993][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6901.215993][   T10]      ipv6_add_addr+0x411/0x2000
[ 6901.215993][   T10]      inet6_addr_add+0x30e/0xa40
[ 6901.215993][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.215993][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.215993][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.215993][   T10]      netlink_unicast+0x449/0x710
[ 6901.215993][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.215993][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.215993][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.215993][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.215993][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.215993][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.215993][   T10] 
[ 6901.217983][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.217983][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.217983][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.217983][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.217983][   T10]      ip6_route_add+0x1c/0x140
[ 6901.217983][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6901.217983][   T10]      addrconf_add_dev+0xe2/0x170
[ 6901.217983][   T10]      inet6_addr_add+0x12f/0xa40
[ 6901.217983][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.217983][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.217983][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.217983][   T10]      netlink_unicast+0x449/0x710
[ 6901.217983][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.217983][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.217983][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.217983][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.217983][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.217983][   T10] 
[ 6901.220086][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.220086][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6901.220086][   T10]      ipv6_find_idev+0x102/0x170
[ 6901.220086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6901.220086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.220086][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.220086][   T10]      netlink_unicast+0x449/0x710
[ 6901.220086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.220086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.220086][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.220086][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.220086][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.220086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.220086][   T10] 
[ 6901.222358][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6901.222358][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6901.222358][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6901.222358][   T10]      ipv6_find_idev+0x102/0x170
[ 6901.222358][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6901.222358][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.222358][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.222358][   T10]      netlink_unicast+0x449/0x710
[ 6901.222358][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.222358][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.222358][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.222358][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.222358][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.222358][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.222358][   T10] 
[ 6901.224302][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6901.224543][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6901.224543][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.224543][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.224543][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.224543][   T10]      ip6_route_add+0x1c/0x140
[ 6901.224543][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6901.224543][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6901.224543][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.224543][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.224543][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.224543][   T10]      netlink_unicast+0x449/0x710
[ 6901.224543][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.224543][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.224543][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.224543][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.224543][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.224543][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.224543][   T10] 
[ 6901.226776][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6901.226776][   T10]      netdev_get_by_index+0x5e/0x80
[ 6901.226776][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6901.226776][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6901.226776][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6901.226776][   T10]      ipv6_add_addr+0x411/0x2000
[ 6901.226776][   T10]      inet6_addr_add+0x30e/0xa40
[ 6901.226776][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6901.226776][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.226776][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.226776][   T10]      netlink_unicast+0x449/0x710
[ 6901.226776][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.226776][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.226776][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.226776][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.226776][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.226776][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.226776][   T10] 
[ 6901.228978][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6901.228978][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6901.228978][   T10]      ipv6_find_idev+0x102/0x170
[ 6901.228978][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6901.228978][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.228978][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.228978][   T10]      netlink_unicast+0x449/0x710
[ 6901.228978][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.228978][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.228978][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.228978][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.228978][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.228978][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.228978][   T10] 
[ 6901.230694][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6901.230694][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6901.230694][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6901.230694][   T10]      ipv6_find_idev+0x102/0x170
[ 6901.230694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6901.230694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6901.230694][   T10]      netlink_rcv_skb+0x130/0x360
[ 6901.230694][   T10]      netlink_unicast+0x449/0x710
[ 6901.230694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6901.230694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6901.230694][   T10]      ___sys_sendmsg+0xee/0x170
[ 6901.230694][   T10]      __sys_sendmsg+0xcd/0x170
[ 6901.230694][   T10]      do_syscall_64+0xc6/0x1e0
[ 6901.230694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6901.230694][   T10] 
[ 6911.472875][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6911.473571][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.473571][   T10]      dst_init+0x84/0x4a0
[ 6911.473571][   T10]      dst_alloc+0x97/0x150
[ 6911.473571][   T10]      ip6_dst_alloc+0x23/0x90
[ 6911.473571][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6911.473571][   T10]      ip6_pol_route+0x56f/0x840
[ 6911.473571][   T10]      fib6_rule_lookup+0x456/0x630
[ 6911.473571][   T10]      ip6_route_input+0x59c/0xa50
[ 6911.473571][   T10]      ipv6_rcv+0x397/0x810
[ 6911.473571][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6911.473571][   T10]      process_backlog+0x101/0x620
[ 6911.473571][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6911.473571][   T10]      net_rx_action+0x495/0xbe0
[ 6911.473571][   T10]      __do_softirq+0x1b5/0x7f6
[ 6911.473571][   T10] 
[ 6911.475218][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.475218][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6911.475218][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6911.475218][   T10]      fib6_nh_init+0xa22/0x1580
[ 6911.475218][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.475218][   T10]      ip6_route_add+0x1c/0x140
[ 6911.475218][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6911.475218][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.475218][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.475218][   T10]      netlink_unicast+0x449/0x710
[ 6911.475218][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.475218][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.475218][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.475218][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.475218][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.475218][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.475218][   T10] 
[ 6911.477069][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.477069][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.477069][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.477069][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.477069][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6911.477069][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6911.477069][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6911.477069][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6911.477069][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6911.477069][   T10]      addrconf_dad_begin+0x310/0x670
[ 6911.477069][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6911.477069][   T10]      process_one_work+0x84d/0x18a0
[ 6911.477069][   T10]      worker_thread+0x587/0xd30
[ 6911.477069][   T10]      kthread+0x28a/0x350
[ 6911.477069][   T10]      ret_from_fork+0x31/0x70
[ 6911.477069][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6911.477069][   T10] 
[ 6911.478997][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.478997][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.478997][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.478997][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.478997][   T10]      ip6_route_add+0x1c/0x140
[ 6911.478997][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6911.478997][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6911.478997][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.478997][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.478997][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.478997][   T10]      netlink_unicast+0x449/0x710
[ 6911.478997][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.478997][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.478997][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.478997][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.478997][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.478997][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.478997][   T10] 
[ 6911.481027][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.481027][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.481027][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.481027][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.481027][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6911.481027][   T10]      ipv6_add_addr+0x411/0x2000
[ 6911.481027][   T10]      inet6_addr_add+0x30e/0xa40
[ 6911.481027][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.481027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.481027][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.481027][   T10]      netlink_unicast+0x449/0x710
[ 6911.481027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.481027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.481027][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.481027][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.481027][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.481027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.481027][   T10] 
[ 6911.482975][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.482975][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.482975][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.482975][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.482975][   T10]      ip6_route_add+0x1c/0x140
[ 6911.482975][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6911.482975][   T10]      addrconf_add_dev+0xe2/0x170
[ 6911.482975][   T10]      inet6_addr_add+0x12f/0xa40
[ 6911.482975][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.482975][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.482975][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.482975][   T10]      netlink_unicast+0x449/0x710
[ 6911.482975][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.482975][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.482975][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.482975][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.482975][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.482975][   T10] 
[ 6911.484935][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.484935][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6911.484935][   T10]      ipv6_find_idev+0x102/0x170
[ 6911.484935][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6911.484935][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.484935][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.484935][   T10]      netlink_unicast+0x449/0x710
[ 6911.484935][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.484935][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.484935][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.484935][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.484935][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.484935][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.484935][   T10] 
[ 6911.486487][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6911.486487][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6911.486487][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6911.486487][   T10]      ipv6_find_idev+0x102/0x170
[ 6911.486487][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6911.486487][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.486487][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.486487][   T10]      netlink_unicast+0x449/0x710
[ 6911.486487][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.486487][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.486487][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.486487][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.486487][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.486487][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.486487][   T10] 
[ 6911.488233][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6911.488471][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.488471][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6911.488471][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6911.488471][   T10]      fib6_nh_init+0xa22/0x1580
[ 6911.488471][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.488471][   T10]      ip6_route_add+0x1c/0x140
[ 6911.488471][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6911.488471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.488471][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.488471][   T10]      netlink_unicast+0x449/0x710
[ 6911.488471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.488471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.488471][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.488471][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.488471][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.488471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.488471][   T10] 
[ 6911.490341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.490341][   T10]      dst_init+0x84/0x4a0
[ 6911.490341][   T10]      dst_alloc+0x97/0x150
[ 6911.490341][   T10]      ip6_dst_alloc+0x23/0x90
[ 6911.490341][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6911.490341][   T10]      ip6_pol_route+0x56f/0x840
[ 6911.490341][   T10]      fib6_rule_lookup+0x456/0x630
[ 6911.490341][   T10]      ip6_route_input+0x59c/0xa50
[ 6911.490341][   T10]      ipv6_rcv+0x397/0x810
[ 6911.490341][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6911.490341][   T10]      process_backlog+0x101/0x620
[ 6911.490341][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6911.490341][   T10]      net_rx_action+0x495/0xbe0
[ 6911.490341][   T10]      __do_softirq+0x1b5/0x7f6
[ 6911.490341][   T10] 
[ 6911.491960][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.491960][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.491960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.491960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.491960][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6911.491960][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6911.491960][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6911.491960][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6911.491960][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6911.491960][   T10]      addrconf_dad_begin+0x310/0x670
[ 6911.491960][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6911.491960][   T10]      process_one_work+0x84d/0x18a0
[ 6911.491960][   T10]      worker_thread+0x587/0xd30
[ 6911.491960][   T10]      kthread+0x28a/0x350
[ 6911.491960][   T10]      ret_from_fork+0x31/0x70
[ 6911.491960][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6911.491960][   T10] 
[ 6911.493814][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.493814][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.493814][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.493814][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.493814][   T10]      ip6_route_add+0x1c/0x140
[ 6911.493814][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6911.493814][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6911.493814][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.493814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.493814][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.493814][   T10]      netlink_unicast+0x449/0x710
[ 6911.493814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.493814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.493814][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.493814][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.493814][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.493814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.493814][   T10] 
[ 6911.495844][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.495844][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.495844][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.495844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.495844][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6911.495844][   T10]      ipv6_add_addr+0x411/0x2000
[ 6911.495844][   T10]      inet6_addr_add+0x30e/0xa40
[ 6911.495844][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.495844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.495844][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.495844][   T10]      netlink_unicast+0x449/0x710
[ 6911.495844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.495844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.495844][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.495844][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.495844][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.495844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.495844][   T10] 
[ 6911.497828][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.497828][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.497828][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.497828][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.497828][   T10]      ip6_route_add+0x1c/0x140
[ 6911.497828][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6911.497828][   T10]      addrconf_add_dev+0xe2/0x170
[ 6911.497828][   T10]      inet6_addr_add+0x12f/0xa40
[ 6911.497828][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.497828][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.497828][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.497828][   T10]      netlink_unicast+0x449/0x710
[ 6911.497828][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.497828][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.497828][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.497828][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.497828][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.497828][   T10] 
[ 6911.499891][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.499891][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6911.499891][   T10]      ipv6_find_idev+0x102/0x170
[ 6911.499891][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6911.499891][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.499891][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.499891][   T10]      netlink_unicast+0x449/0x710
[ 6911.499891][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.499891][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.499891][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.499891][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.499891][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.499891][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.499891][   T10] 
[ 6911.501692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6911.501692][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6911.501692][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6911.501692][   T10]      ipv6_find_idev+0x102/0x170
[ 6911.501692][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6911.501692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.501692][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.501692][   T10]      netlink_unicast+0x449/0x710
[ 6911.501692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.501692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.501692][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.501692][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.501692][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.501692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.501692][   T10] 
[ 6911.503507][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6911.503837][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6911.503837][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.503837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.503837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.503837][   T10]      ip6_route_add+0x1c/0x140
[ 6911.503837][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6911.503837][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6911.503837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.503837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.503837][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.503837][   T10]      netlink_unicast+0x449/0x710
[ 6911.503837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.503837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.503837][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.503837][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.503837][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.503837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.503837][   T10] 
[ 6911.505984][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6911.505984][   T10]      netdev_get_by_index+0x5e/0x80
[ 6911.505984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6911.505984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6911.505984][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6911.505984][   T10]      ipv6_add_addr+0x411/0x2000
[ 6911.505984][   T10]      inet6_addr_add+0x30e/0xa40
[ 6911.505984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6911.505984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.505984][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.505984][   T10]      netlink_unicast+0x449/0x710
[ 6911.505984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.505984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.505984][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.505984][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.505984][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.505984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.505984][   T10] 
[ 6911.508027][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6911.508027][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6911.508027][   T10]      ipv6_find_idev+0x102/0x170
[ 6911.508027][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6911.508027][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.508027][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.508027][   T10]      netlink_unicast+0x449/0x710
[ 6911.508027][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.508027][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.508027][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.508027][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.508027][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.508027][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.508027][   T10] 
[ 6911.509747][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6911.509747][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6911.509747][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6911.509747][   T10]      ipv6_find_idev+0x102/0x170
[ 6911.509747][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6911.509747][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6911.509747][   T10]      netlink_rcv_skb+0x130/0x360
[ 6911.509747][   T10]      netlink_unicast+0x449/0x710
[ 6911.509747][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6911.509747][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6911.509747][   T10]      ___sys_sendmsg+0xee/0x170
[ 6911.509747][   T10]      __sys_sendmsg+0xcd/0x170
[ 6911.509747][   T10]      do_syscall_64+0xc6/0x1e0
[ 6911.509747][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6911.509747][   T10] 
[ 6921.736735][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6921.737269][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.737269][   T10]      dst_init+0x84/0x4a0
[ 6921.737269][   T10]      dst_alloc+0x97/0x150
[ 6921.737269][   T10]      ip6_dst_alloc+0x23/0x90
[ 6921.737269][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6921.737269][   T10]      ip6_pol_route+0x56f/0x840
[ 6921.737269][   T10]      fib6_rule_lookup+0x456/0x630
[ 6921.737269][   T10]      ip6_route_input+0x59c/0xa50
[ 6921.737269][   T10]      ipv6_rcv+0x397/0x810
[ 6921.737269][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6921.737269][   T10]      process_backlog+0x101/0x620
[ 6921.737269][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6921.737269][   T10]      net_rx_action+0x495/0xbe0
[ 6921.737269][   T10]      __do_softirq+0x1b5/0x7f6
[ 6921.737269][   T10] 
[ 6921.739858][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.739858][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6921.739858][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6921.739858][   T10]      fib6_nh_init+0xa22/0x1580
[ 6921.739858][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.739858][   T10]      ip6_route_add+0x1c/0x140
[ 6921.739858][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6921.739858][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.739858][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.739858][   T10]      netlink_unicast+0x449/0x710
[ 6921.739858][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.739858][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.739858][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.739858][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.739858][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.739858][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.739858][   T10] 
[ 6921.742325][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.742325][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.742325][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.742325][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.742325][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6921.742325][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6921.742325][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6921.742325][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6921.742325][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6921.742325][   T10]      addrconf_dad_begin+0x310/0x670
[ 6921.742325][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6921.742325][   T10]      process_one_work+0x84d/0x18a0
[ 6921.742325][   T10]      worker_thread+0x587/0xd30
[ 6921.742325][   T10]      kthread+0x28a/0x350
[ 6921.742325][   T10]      ret_from_fork+0x31/0x70
[ 6921.742325][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6921.742325][   T10] 
[ 6921.744873][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.744873][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.744873][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.744873][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.744873][   T10]      ip6_route_add+0x1c/0x140
[ 6921.744873][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6921.744873][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6921.744873][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.744873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.744873][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.744873][   T10]      netlink_unicast+0x449/0x710
[ 6921.744873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.744873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.744873][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.744873][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.744873][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.744873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.744873][   T10] 
[ 6921.748078][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.748078][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.748078][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.748078][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.748078][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6921.748078][   T10]      ipv6_add_addr+0x411/0x2000
[ 6921.748078][   T10]      inet6_addr_add+0x30e/0xa40
[ 6921.748078][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.748078][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.748078][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.748078][   T10]      netlink_unicast+0x449/0x710
[ 6921.748078][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.748078][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.748078][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.748078][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.748078][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.748078][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.748078][   T10] 
[ 6921.750885][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.750885][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.750885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.750885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.750885][   T10]      ip6_route_add+0x1c/0x140
[ 6921.750885][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6921.750885][   T10]      addrconf_add_dev+0xe2/0x170
[ 6921.750885][   T10]      inet6_addr_add+0x12f/0xa40
[ 6921.750885][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.750885][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.750885][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.750885][   T10]      netlink_unicast+0x449/0x710
[ 6921.750885][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.750885][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.750885][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.750885][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.750885][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.750885][   T10] 
[ 6921.753067][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.753067][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6921.753067][   T10]      ipv6_find_idev+0x102/0x170
[ 6921.753067][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6921.753067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.753067][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.753067][   T10]      netlink_unicast+0x449/0x710
[ 6921.753067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.753067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.753067][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.753067][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.753067][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.753067][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.753067][   T10] 
[ 6921.755535][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6921.755535][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6921.755535][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6921.755535][   T10]      ipv6_find_idev+0x102/0x170
[ 6921.755535][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6921.755535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.755535][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.755535][   T10]      netlink_unicast+0x449/0x710
[ 6921.755535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.755535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.755535][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.755535][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.755535][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.755535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.755535][   T10] 
[ 6921.759241][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6921.759561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.759561][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6921.759561][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6921.759561][   T10]      fib6_nh_init+0xa22/0x1580
[ 6921.759561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.759561][   T10]      ip6_route_add+0x1c/0x140
[ 6921.759561][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6921.759561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.759561][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.759561][   T10]      netlink_unicast+0x449/0x710
[ 6921.759561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.759561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.759561][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.759561][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.759561][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.759561][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.759561][   T10] 
[ 6921.762744][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.762744][   T10]      dst_init+0x84/0x4a0
[ 6921.762744][   T10]      dst_alloc+0x97/0x150
[ 6921.762744][   T10]      ip6_dst_alloc+0x23/0x90
[ 6921.762744][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6921.762744][   T10]      ip6_pol_route+0x56f/0x840
[ 6921.762744][   T10]      fib6_rule_lookup+0x456/0x630
[ 6921.762744][   T10]      ip6_route_input+0x59c/0xa50
[ 6921.762744][   T10]      ipv6_rcv+0x397/0x810
[ 6921.762744][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6921.762744][   T10]      process_backlog+0x101/0x620
[ 6921.762744][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6921.762744][   T10]      net_rx_action+0x495/0xbe0
[ 6921.762744][   T10]      __do_softirq+0x1b5/0x7f6
[ 6921.762744][   T10] 
[ 6921.765490][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.765490][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.765490][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.765490][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.765490][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6921.765490][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6921.765490][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6921.765490][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6921.765490][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6921.765490][   T10]      addrconf_dad_begin+0x310/0x670
[ 6921.765490][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6921.765490][   T10]      process_one_work+0x84d/0x18a0
[ 6921.765490][   T10]      worker_thread+0x587/0xd30
[ 6921.765490][   T10]      kthread+0x28a/0x350
[ 6921.765490][   T10]      ret_from_fork+0x31/0x70
[ 6921.765490][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6921.765490][   T10] 
[ 6921.768344][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.768344][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.768344][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.768344][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.768344][   T10]      ip6_route_add+0x1c/0x140
[ 6921.768344][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6921.768344][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6921.768344][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.768344][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.768344][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.768344][   T10]      netlink_unicast+0x449/0x710
[ 6921.768344][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.768344][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.768344][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.768344][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.768344][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.768344][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.768344][   T10] 
[ 6921.770526][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.770526][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.770526][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.770526][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.770526][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6921.770526][   T10]      ipv6_add_addr+0x411/0x2000
[ 6921.770526][   T10]      inet6_addr_add+0x30e/0xa40
[ 6921.770526][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.770526][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.770526][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.770526][   T10]      netlink_unicast+0x449/0x710
[ 6921.770526][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.770526][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.770526][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.770526][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.770526][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.770526][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.770526][   T10] 
[ 6921.772798][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.772798][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.772798][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.772798][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.772798][   T10]      ip6_route_add+0x1c/0x140
[ 6921.772798][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6921.772798][   T10]      addrconf_add_dev+0xe2/0x170
[ 6921.772798][   T10]      inet6_addr_add+0x12f/0xa40
[ 6921.772798][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.772798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.772798][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.772798][   T10]      netlink_unicast+0x449/0x710
[ 6921.772798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.772798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.772798][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.772798][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.772798][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.772798][   T10] 
[ 6921.775811][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.775811][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6921.775811][   T10]      ipv6_find_idev+0x102/0x170
[ 6921.775811][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6921.775811][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.775811][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.775811][   T10]      netlink_unicast+0x449/0x710
[ 6921.775811][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.775811][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.775811][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.775811][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.775811][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.775811][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.775811][   T10] 
[ 6921.777787][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6921.777787][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6921.777787][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6921.777787][   T10]      ipv6_find_idev+0x102/0x170
[ 6921.777787][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6921.777787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.777787][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.777787][   T10]      netlink_unicast+0x449/0x710
[ 6921.777787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.777787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.777787][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.777787][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.777787][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.777787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.777787][   T10] 
[ 6921.779934][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6921.780255][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6921.780255][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.780255][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.780255][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.780255][   T10]      ip6_route_add+0x1c/0x140
[ 6921.780255][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6921.780255][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6921.780255][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.780255][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.780255][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.780255][   T10]      netlink_unicast+0x449/0x710
[ 6921.780255][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.780255][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.780255][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.780255][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.780255][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.780255][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.780255][   T10] 
[ 6921.782753][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6921.782753][   T10]      netdev_get_by_index+0x5e/0x80
[ 6921.782753][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6921.782753][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6921.782753][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6921.782753][   T10]      ipv6_add_addr+0x411/0x2000
[ 6921.782753][   T10]      inet6_addr_add+0x30e/0xa40
[ 6921.782753][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6921.782753][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.782753][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.782753][   T10]      netlink_unicast+0x449/0x710
[ 6921.782753][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.782753][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.782753][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.782753][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.782753][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.782753][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.782753][   T10] 
[ 6921.785030][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6921.785030][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6921.785030][   T10]      ipv6_find_idev+0x102/0x170
[ 6921.785030][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6921.785030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.785030][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.785030][   T10]      netlink_unicast+0x449/0x710
[ 6921.785030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.785030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.785030][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.785030][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.785030][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.785030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.785030][   T10] 
[ 6921.786872][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6921.786872][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6921.786872][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6921.786872][   T10]      ipv6_find_idev+0x102/0x170
[ 6921.786872][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6921.786872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6921.786872][   T10]      netlink_rcv_skb+0x130/0x360
[ 6921.786872][   T10]      netlink_unicast+0x449/0x710
[ 6921.786872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6921.786872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6921.786872][   T10]      ___sys_sendmsg+0xee/0x170
[ 6921.786872][   T10]      __sys_sendmsg+0xcd/0x170
[ 6921.786872][   T10]      do_syscall_64+0xc6/0x1e0
[ 6921.786872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6921.786872][   T10] 
[ 6931.800873][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6931.801466][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.801466][   T10]      dst_init+0x84/0x4a0
[ 6931.801466][   T10]      dst_alloc+0x97/0x150
[ 6931.801466][   T10]      ip6_dst_alloc+0x23/0x90
[ 6931.801466][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6931.801466][   T10]      ip6_pol_route+0x56f/0x840
[ 6931.801466][   T10]      fib6_rule_lookup+0x456/0x630
[ 6931.801466][   T10]      ip6_route_input+0x59c/0xa50
[ 6931.801466][   T10]      ipv6_rcv+0x397/0x810
[ 6931.801466][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6931.801466][   T10]      process_backlog+0x101/0x620
[ 6931.801466][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6931.801466][   T10]      net_rx_action+0x495/0xbe0
[ 6931.801466][   T10]      __do_softirq+0x1b5/0x7f6
[ 6931.801466][   T10] 
[ 6931.803095][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.803095][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6931.803095][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6931.803095][   T10]      fib6_nh_init+0xa22/0x1580
[ 6931.803095][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.803095][   T10]      ip6_route_add+0x1c/0x140
[ 6931.803095][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6931.803095][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.803095][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.803095][   T10]      netlink_unicast+0x449/0x710
[ 6931.803095][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.803095][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.803095][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.803095][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.803095][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.803095][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.803095][   T10] 
[ 6931.804960][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.804960][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.804960][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.804960][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.804960][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6931.804960][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6931.804960][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6931.804960][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6931.804960][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6931.804960][   T10]      addrconf_dad_begin+0x310/0x670
[ 6931.804960][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6931.804960][   T10]      process_one_work+0x84d/0x18a0
[ 6931.804960][   T10]      worker_thread+0x587/0xd30
[ 6931.804960][   T10]      kthread+0x28a/0x350
[ 6931.804960][   T10]      ret_from_fork+0x31/0x70
[ 6931.804960][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6931.804960][   T10] 
[ 6931.806893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.806893][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.806893][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.806893][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.806893][   T10]      ip6_route_add+0x1c/0x140
[ 6931.806893][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6931.806893][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6931.806893][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.806893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.806893][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.806893][   T10]      netlink_unicast+0x449/0x710
[ 6931.806893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.806893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.806893][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.806893][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.806893][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.806893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.806893][   T10] 
[ 6931.809402][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.809402][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.809402][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.809402][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.809402][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6931.809402][   T10]      ipv6_add_addr+0x411/0x2000
[ 6931.809402][   T10]      inet6_addr_add+0x30e/0xa40
[ 6931.809402][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.809402][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.809402][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.809402][   T10]      netlink_unicast+0x449/0x710
[ 6931.809402][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.809402][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.809402][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.809402][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.809402][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.809402][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.809402][   T10] 
[ 6931.811433][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.811433][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.811433][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.811433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.811433][   T10]      ip6_route_add+0x1c/0x140
[ 6931.811433][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6931.811433][   T10]      addrconf_add_dev+0xe2/0x170
[ 6931.811433][   T10]      inet6_addr_add+0x12f/0xa40
[ 6931.811433][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.811433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.811433][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.811433][   T10]      netlink_unicast+0x449/0x710
[ 6931.811433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.811433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.811433][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.811433][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.811433][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.811433][   T10] 
[ 6931.813380][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.813380][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6931.813380][   T10]      ipv6_find_idev+0x102/0x170
[ 6931.813380][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6931.813380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.813380][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.813380][   T10]      netlink_unicast+0x449/0x710
[ 6931.813380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.813380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.813380][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.813380][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.813380][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.813380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.813380][   T10] 
[ 6931.814941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6931.814941][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6931.814941][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6931.814941][   T10]      ipv6_find_idev+0x102/0x170
[ 6931.814941][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6931.814941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.814941][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.814941][   T10]      netlink_unicast+0x449/0x710
[ 6931.814941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.814941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.814941][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.814941][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.814941][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.814941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.814941][   T10] 
[ 6931.816605][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6931.816844][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.816844][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6931.816844][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6931.816844][   T10]      fib6_nh_init+0xa22/0x1580
[ 6931.816844][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.816844][   T10]      ip6_route_add+0x1c/0x140
[ 6931.816844][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6931.816844][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.816844][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.816844][   T10]      netlink_unicast+0x449/0x710
[ 6931.816844][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.816844][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.816844][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.816844][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.816844][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.816844][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.816844][   T10] 
[ 6931.818719][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.818719][   T10]      dst_init+0x84/0x4a0
[ 6931.818719][   T10]      dst_alloc+0x97/0x150
[ 6931.818719][   T10]      ip6_dst_alloc+0x23/0x90
[ 6931.818719][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6931.818719][   T10]      ip6_pol_route+0x56f/0x840
[ 6931.818719][   T10]      fib6_rule_lookup+0x456/0x630
[ 6931.818719][   T10]      ip6_route_input+0x59c/0xa50
[ 6931.818719][   T10]      ipv6_rcv+0x397/0x810
[ 6931.818719][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6931.818719][   T10]      process_backlog+0x101/0x620
[ 6931.818719][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6931.818719][   T10]      net_rx_action+0x495/0xbe0
[ 6931.818719][   T10]      __do_softirq+0x1b5/0x7f6
[ 6931.818719][   T10] 
[ 6931.820390][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.820390][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.820390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.820390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.820390][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6931.820390][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6931.820390][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6931.820390][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6931.820390][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6931.820390][   T10]      addrconf_dad_begin+0x310/0x670
[ 6931.820390][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6931.820390][   T10]      process_one_work+0x84d/0x18a0
[ 6931.820390][   T10]      worker_thread+0x587/0xd30
[ 6931.820390][   T10]      kthread+0x28a/0x350
[ 6931.820390][   T10]      ret_from_fork+0x31/0x70
[ 6931.820390][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6931.820390][   T10] 
[ 6931.822313][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.822313][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.822313][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.822313][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.822313][   T10]      ip6_route_add+0x1c/0x140
[ 6931.822313][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6931.822313][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6931.822313][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.822313][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.822313][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.822313][   T10]      netlink_unicast+0x449/0x710
[ 6931.822313][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.822313][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.822313][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.822313][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.822313][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.822313][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.822313][   T10] 
[ 6931.824339][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.824339][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.824339][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.824339][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.824339][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6931.824339][   T10]      ipv6_add_addr+0x411/0x2000
[ 6931.824339][   T10]      inet6_addr_add+0x30e/0xa40
[ 6931.824339][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.824339][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.824339][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.824339][   T10]      netlink_unicast+0x449/0x710
[ 6931.824339][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.824339][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.824339][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.824339][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.824339][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.824339][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.824339][   T10] 
[ 6931.826326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.826326][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.826326][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.826326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.826326][   T10]      ip6_route_add+0x1c/0x140
[ 6931.826326][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6931.826326][   T10]      addrconf_add_dev+0xe2/0x170
[ 6931.826326][   T10]      inet6_addr_add+0x12f/0xa40
[ 6931.826326][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.826326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.826326][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.826326][   T10]      netlink_unicast+0x449/0x710
[ 6931.826326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.826326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.826326][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.826326][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.826326][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.826326][   T10] 
[ 6931.828403][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.828403][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6931.828403][   T10]      ipv6_find_idev+0x102/0x170
[ 6931.828403][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6931.828403][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.828403][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.828403][   T10]      netlink_unicast+0x449/0x710
[ 6931.828403][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.828403][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.828403][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.828403][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.828403][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.828403][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.828403][   T10] 
[ 6931.830126][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6931.830126][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6931.830126][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6931.830126][   T10]      ipv6_find_idev+0x102/0x170
[ 6931.830126][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6931.830126][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.830126][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.830126][   T10]      netlink_unicast+0x449/0x710
[ 6931.830126][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.830126][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.830126][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.830126][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.830126][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.830126][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.830126][   T10] 
[ 6931.831990][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6931.832287][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6931.832287][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.832287][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.832287][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.832287][   T10]      ip6_route_add+0x1c/0x140
[ 6931.832287][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6931.832287][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6931.832287][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.832287][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.832287][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.832287][   T10]      netlink_unicast+0x449/0x710
[ 6931.832287][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.832287][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.832287][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.832287][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.832287][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.832287][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.832287][   T10] 
[ 6931.834569][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6931.834569][   T10]      netdev_get_by_index+0x5e/0x80
[ 6931.834569][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6931.834569][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6931.834569][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6931.834569][   T10]      ipv6_add_addr+0x411/0x2000
[ 6931.834569][   T10]      inet6_addr_add+0x30e/0xa40
[ 6931.834569][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6931.834569][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.834569][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.834569][   T10]      netlink_unicast+0x449/0x710
[ 6931.834569][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.834569][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.834569][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.834569][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.834569][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.834569][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.834569][   T10] 
[ 6931.836743][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6931.836743][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6931.836743][   T10]      ipv6_find_idev+0x102/0x170
[ 6931.836743][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6931.836743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.836743][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.836743][   T10]      netlink_unicast+0x449/0x710
[ 6931.836743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.836743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.836743][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.836743][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.836743][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.836743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.836743][   T10] 
[ 6931.838566][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6931.838566][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6931.838566][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6931.838566][   T10]      ipv6_find_idev+0x102/0x170
[ 6931.838566][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6931.838566][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6931.838566][   T10]      netlink_rcv_skb+0x130/0x360
[ 6931.838566][   T10]      netlink_unicast+0x449/0x710
[ 6931.838566][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6931.838566][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6931.838566][   T10]      ___sys_sendmsg+0xee/0x170
[ 6931.838566][   T10]      __sys_sendmsg+0xcd/0x170
[ 6931.838566][   T10]      do_syscall_64+0xc6/0x1e0
[ 6931.838566][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6931.838566][   T10] 
[ 6941.872767][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6941.873660][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.873660][   T10]      dst_init+0x84/0x4a0
[ 6941.873660][   T10]      dst_alloc+0x97/0x150
[ 6941.873660][   T10]      ip6_dst_alloc+0x23/0x90
[ 6941.873660][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6941.873660][   T10]      ip6_pol_route+0x56f/0x840
[ 6941.873660][   T10]      fib6_rule_lookup+0x456/0x630
[ 6941.873660][   T10]      ip6_route_input+0x59c/0xa50
[ 6941.873660][   T10]      ipv6_rcv+0x397/0x810
[ 6941.873660][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6941.873660][   T10]      process_backlog+0x101/0x620
[ 6941.873660][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6941.873660][   T10]      net_rx_action+0x495/0xbe0
[ 6941.873660][   T10]      __do_softirq+0x1b5/0x7f6
[ 6941.873660][   T10] 
[ 6941.875289][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.875289][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6941.875289][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6941.875289][   T10]      fib6_nh_init+0xa22/0x1580
[ 6941.875289][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.875289][   T10]      ip6_route_add+0x1c/0x140
[ 6941.875289][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6941.875289][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.875289][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.875289][   T10]      netlink_unicast+0x449/0x710
[ 6941.875289][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.875289][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.875289][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.875289][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.875289][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.875289][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.875289][   T10] 
[ 6941.877066][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.877066][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.877066][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.877066][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.877066][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6941.877066][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6941.877066][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6941.877066][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6941.877066][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6941.877066][   T10]      addrconf_dad_begin+0x310/0x670
[ 6941.877066][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6941.877066][   T10]      process_one_work+0x84d/0x18a0
[ 6941.877066][   T10]      worker_thread+0x587/0xd30
[ 6941.877066][   T10]      kthread+0x28a/0x350
[ 6941.877066][   T10]      ret_from_fork+0x31/0x70
[ 6941.877066][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6941.877066][   T10] 
[ 6941.878937][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.878937][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.878937][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.878937][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.878937][   T10]      ip6_route_add+0x1c/0x140
[ 6941.878937][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6941.878937][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6941.878937][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.878937][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.878937][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.878937][   T10]      netlink_unicast+0x449/0x710
[ 6941.878937][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.878937][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.878937][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.878937][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.878937][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.878937][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.878937][   T10] 
[ 6941.880887][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.880887][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.880887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.880887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.880887][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6941.880887][   T10]      ipv6_add_addr+0x411/0x2000
[ 6941.880887][   T10]      inet6_addr_add+0x30e/0xa40
[ 6941.880887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.880887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.880887][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.880887][   T10]      netlink_unicast+0x449/0x710
[ 6941.880887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.880887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.880887][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.880887][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.880887][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.880887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.880887][   T10] 
[ 6941.882767][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.882767][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.882767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.882767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.882767][   T10]      ip6_route_add+0x1c/0x140
[ 6941.882767][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6941.882767][   T10]      addrconf_add_dev+0xe2/0x170
[ 6941.882767][   T10]      inet6_addr_add+0x12f/0xa40
[ 6941.882767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.882767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.882767][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.882767][   T10]      netlink_unicast+0x449/0x710
[ 6941.882767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.882767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.882767][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.882767][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.882767][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.882767][   T10] 
[ 6941.884725][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.884725][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6941.884725][   T10]      ipv6_find_idev+0x102/0x170
[ 6941.884725][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6941.884725][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.884725][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.884725][   T10]      netlink_unicast+0x449/0x710
[ 6941.884725][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.884725][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.884725][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.884725][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.884725][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.884725][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.884725][   T10] 
[ 6941.886265][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6941.886265][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6941.886265][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6941.886265][   T10]      ipv6_find_idev+0x102/0x170
[ 6941.886265][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6941.886265][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.886265][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.886265][   T10]      netlink_unicast+0x449/0x710
[ 6941.886265][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.886265][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.886265][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.886265][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.886265][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.886265][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.886265][   T10] 
[ 6941.888002][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6941.888243][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.888243][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6941.888243][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6941.888243][   T10]      fib6_nh_init+0xa22/0x1580
[ 6941.888243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.888243][   T10]      ip6_route_add+0x1c/0x140
[ 6941.888243][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6941.888243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.888243][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.888243][   T10]      netlink_unicast+0x449/0x710
[ 6941.888243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.888243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.888243][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.888243][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.888243][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.888243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.888243][   T10] 
[ 6941.890116][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.890116][   T10]      dst_init+0x84/0x4a0
[ 6941.890116][   T10]      dst_alloc+0x97/0x150
[ 6941.890116][   T10]      ip6_dst_alloc+0x23/0x90
[ 6941.890116][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6941.890116][   T10]      ip6_pol_route+0x56f/0x840
[ 6941.890116][   T10]      fib6_rule_lookup+0x456/0x630
[ 6941.890116][   T10]      ip6_route_input+0x59c/0xa50
[ 6941.890116][   T10]      ipv6_rcv+0x397/0x810
[ 6941.890116][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6941.890116][   T10]      process_backlog+0x101/0x620
[ 6941.890116][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6941.890116][   T10]      net_rx_action+0x495/0xbe0
[ 6941.890116][   T10]      __do_softirq+0x1b5/0x7f6
[ 6941.890116][   T10] 
[ 6941.891773][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.891773][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.891773][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.891773][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.891773][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6941.891773][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6941.891773][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6941.891773][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6941.891773][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6941.891773][   T10]      addrconf_dad_begin+0x310/0x670
[ 6941.891773][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6941.891773][   T10]      process_one_work+0x84d/0x18a0
[ 6941.891773][   T10]      worker_thread+0x587/0xd30
[ 6941.891773][   T10]      kthread+0x28a/0x350
[ 6941.891773][   T10]      ret_from_fork+0x31/0x70
[ 6941.891773][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6941.891773][   T10] 
[ 6941.893699][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.893699][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.893699][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.893699][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.893699][   T10]      ip6_route_add+0x1c/0x140
[ 6941.893699][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6941.893699][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6941.893699][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.893699][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.893699][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.893699][   T10]      netlink_unicast+0x449/0x710
[ 6941.893699][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.893699][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.893699][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.893699][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.893699][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.893699][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.893699][   T10] 
[ 6941.895749][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.895749][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.895749][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.895749][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.895749][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6941.895749][   T10]      ipv6_add_addr+0x411/0x2000
[ 6941.895749][   T10]      inet6_addr_add+0x30e/0xa40
[ 6941.895749][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.895749][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.895749][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.895749][   T10]      netlink_unicast+0x449/0x710
[ 6941.895749][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.895749][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.895749][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.895749][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.895749][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.895749][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.895749][   T10] 
[ 6941.897738][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.897738][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.897738][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.897738][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.897738][   T10]      ip6_route_add+0x1c/0x140
[ 6941.897738][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6941.897738][   T10]      addrconf_add_dev+0xe2/0x170
[ 6941.897738][   T10]      inet6_addr_add+0x12f/0xa40
[ 6941.897738][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.897738][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.897738][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.897738][   T10]      netlink_unicast+0x449/0x710
[ 6941.897738][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.897738][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.897738][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.897738][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.897738][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.897738][   T10] 
[ 6941.899856][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.899856][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6941.899856][   T10]      ipv6_find_idev+0x102/0x170
[ 6941.899856][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6941.899856][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.899856][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.899856][   T10]      netlink_unicast+0x449/0x710
[ 6941.899856][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.899856][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.899856][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.899856][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.899856][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.899856][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.899856][   T10] 
[ 6941.901499][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6941.901499][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6941.901499][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6941.901499][   T10]      ipv6_find_idev+0x102/0x170
[ 6941.901499][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6941.901499][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.901499][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.901499][   T10]      netlink_unicast+0x449/0x710
[ 6941.901499][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.901499][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.901499][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.901499][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.901499][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.901499][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.901499][   T10] 
[ 6941.903459][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6941.903731][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6941.903731][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.903731][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.903731][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.903731][   T10]      ip6_route_add+0x1c/0x140
[ 6941.903731][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6941.903731][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6941.903731][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.903731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.903731][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.903731][   T10]      netlink_unicast+0x449/0x710
[ 6941.903731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.903731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.903731][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.903731][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.903731][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.903731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.903731][   T10] 
[ 6941.906010][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6941.906010][   T10]      netdev_get_by_index+0x5e/0x80
[ 6941.906010][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6941.906010][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6941.906010][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6941.906010][   T10]      ipv6_add_addr+0x411/0x2000
[ 6941.906010][   T10]      inet6_addr_add+0x30e/0xa40
[ 6941.906010][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6941.906010][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.906010][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.906010][   T10]      netlink_unicast+0x449/0x710
[ 6941.906010][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.906010][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.906010][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.906010][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.906010][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.906010][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.906010][   T10] 
[ 6941.908208][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6941.908208][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6941.908208][   T10]      ipv6_find_idev+0x102/0x170
[ 6941.908208][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6941.908208][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.908208][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.908208][   T10]      netlink_unicast+0x449/0x710
[ 6941.908208][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.908208][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.908208][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.908208][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.908208][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.908208][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.908208][   T10] 
[ 6941.909901][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6941.909901][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6941.909901][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6941.909901][   T10]      ipv6_find_idev+0x102/0x170
[ 6941.909901][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6941.909901][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6941.909901][   T10]      netlink_rcv_skb+0x130/0x360
[ 6941.909901][   T10]      netlink_unicast+0x449/0x710
[ 6941.909901][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6941.909901][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6941.909901][   T10]      ___sys_sendmsg+0xee/0x170
[ 6941.909901][   T10]      __sys_sendmsg+0xcd/0x170
[ 6941.909901][   T10]      do_syscall_64+0xc6/0x1e0
[ 6941.909901][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6941.909901][   T10] 
[ 6952.152780][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6952.153634][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.153634][   T10]      dst_init+0x84/0x4a0
[ 6952.153634][   T10]      dst_alloc+0x97/0x150
[ 6952.153634][   T10]      ip6_dst_alloc+0x23/0x90
[ 6952.153634][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6952.153634][   T10]      ip6_pol_route+0x56f/0x840
[ 6952.153634][   T10]      fib6_rule_lookup+0x456/0x630
[ 6952.153634][   T10]      ip6_route_input+0x59c/0xa50
[ 6952.153634][   T10]      ipv6_rcv+0x397/0x810
[ 6952.153634][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6952.153634][   T10]      process_backlog+0x101/0x620
[ 6952.153634][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6952.153634][   T10]      net_rx_action+0x495/0xbe0
[ 6952.153634][   T10]      __do_softirq+0x1b5/0x7f6
[ 6952.153634][   T10] 
[ 6952.155384][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.155384][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6952.155384][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6952.155384][   T10]      fib6_nh_init+0xa22/0x1580
[ 6952.155384][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.155384][   T10]      ip6_route_add+0x1c/0x140
[ 6952.155384][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6952.155384][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.155384][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.155384][   T10]      netlink_unicast+0x449/0x710
[ 6952.155384][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.155384][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.155384][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.155384][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.155384][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.155384][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.155384][   T10] 
[ 6952.157214][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.157214][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.157214][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.157214][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.157214][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6952.157214][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6952.157214][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6952.157214][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6952.157214][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6952.157214][   T10]      addrconf_dad_begin+0x310/0x670
[ 6952.157214][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6952.157214][   T10]      process_one_work+0x84d/0x18a0
[ 6952.157214][   T10]      worker_thread+0x587/0xd30
[ 6952.157214][   T10]      kthread+0x28a/0x350
[ 6952.157214][   T10]      ret_from_fork+0x31/0x70
[ 6952.157214][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6952.157214][   T10] 
[ 6952.159138][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.159138][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.159138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.159138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.159138][   T10]      ip6_route_add+0x1c/0x140
[ 6952.159138][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6952.159138][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6952.159138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.159138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.159138][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.159138][   T10]      netlink_unicast+0x449/0x710
[ 6952.159138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.159138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.159138][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.159138][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.159138][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.159138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.159138][   T10] 
[ 6952.161029][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.161029][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.161029][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.161029][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.161029][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6952.161029][   T10]      ipv6_add_addr+0x411/0x2000
[ 6952.161029][   T10]      inet6_addr_add+0x30e/0xa40
[ 6952.161029][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.161029][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.161029][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.161029][   T10]      netlink_unicast+0x449/0x710
[ 6952.161029][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.161029][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.161029][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.161029][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.161029][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.161029][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.161029][   T10] 
[ 6952.162998][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.162998][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.162998][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.162998][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.162998][   T10]      ip6_route_add+0x1c/0x140
[ 6952.162998][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6952.162998][   T10]      addrconf_add_dev+0xe2/0x170
[ 6952.162998][   T10]      inet6_addr_add+0x12f/0xa40
[ 6952.162998][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.162998][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.162998][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.162998][   T10]      netlink_unicast+0x449/0x710
[ 6952.162998][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.162998][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.162998][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.162998][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.162998][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.162998][   T10] 
[ 6952.164883][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.164883][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6952.164883][   T10]      ipv6_find_idev+0x102/0x170
[ 6952.164883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6952.164883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.164883][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.164883][   T10]      netlink_unicast+0x449/0x710
[ 6952.164883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.164883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.164883][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.164883][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.164883][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.164883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.164883][   T10] 
[ 6952.166422][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6952.166422][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6952.166422][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6952.166422][   T10]      ipv6_find_idev+0x102/0x170
[ 6952.166422][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6952.166422][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.166422][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.166422][   T10]      netlink_unicast+0x449/0x710
[ 6952.166422][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.166422][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.166422][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.166422][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.166422][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.166422][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.166422][   T10] 
[ 6952.168152][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6952.168406][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.168406][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6952.168406][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6952.168406][   T10]      fib6_nh_init+0xa22/0x1580
[ 6952.168406][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.168406][   T10]      ip6_route_add+0x1c/0x140
[ 6952.168406][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6952.168406][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.168406][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.168406][   T10]      netlink_unicast+0x449/0x710
[ 6952.168406][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.168406][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.168406][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.168406][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.168406][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.168406][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.168406][   T10] 
[ 6952.170296][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.170296][   T10]      dst_init+0x84/0x4a0
[ 6952.170296][   T10]      dst_alloc+0x97/0x150
[ 6952.170296][   T10]      ip6_dst_alloc+0x23/0x90
[ 6952.170296][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6952.170296][   T10]      ip6_pol_route+0x56f/0x840
[ 6952.170296][   T10]      fib6_rule_lookup+0x456/0x630
[ 6952.170296][   T10]      ip6_route_input+0x59c/0xa50
[ 6952.170296][   T10]      ipv6_rcv+0x397/0x810
[ 6952.170296][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6952.170296][   T10]      process_backlog+0x101/0x620
[ 6952.170296][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6952.170296][   T10]      net_rx_action+0x495/0xbe0
[ 6952.170296][   T10]      __do_softirq+0x1b5/0x7f6
[ 6952.170296][   T10] 
[ 6952.171840][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.171840][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.171840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.171840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.171840][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6952.171840][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6952.171840][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6952.171840][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6952.171840][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6952.171840][   T10]      addrconf_dad_begin+0x310/0x670
[ 6952.171840][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6952.171840][   T10]      process_one_work+0x84d/0x18a0
[ 6952.171840][   T10]      worker_thread+0x587/0xd30
[ 6952.171840][   T10]      kthread+0x28a/0x350
[ 6952.171840][   T10]      ret_from_fork+0x31/0x70
[ 6952.171840][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6952.171840][   T10] 
[ 6952.173785][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.173785][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.173785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.173785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.173785][   T10]      ip6_route_add+0x1c/0x140
[ 6952.173785][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6952.173785][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6952.173785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.173785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.173785][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.173785][   T10]      netlink_unicast+0x449/0x710
[ 6952.173785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.173785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.173785][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.173785][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.173785][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.173785][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.173785][   T10] 
[ 6952.175759][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.175759][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.175759][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.175759][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.175759][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6952.175759][   T10]      ipv6_add_addr+0x411/0x2000
[ 6952.175759][   T10]      inet6_addr_add+0x30e/0xa40
[ 6952.175759][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.175759][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.175759][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.175759][   T10]      netlink_unicast+0x449/0x710
[ 6952.175759][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.175759][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.175759][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.175759][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.175759][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.175759][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.175759][   T10] 
[ 6952.177729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.177729][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.177729][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.177729][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.177729][   T10]      ip6_route_add+0x1c/0x140
[ 6952.177729][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6952.177729][   T10]      addrconf_add_dev+0xe2/0x170
[ 6952.177729][   T10]      inet6_addr_add+0x12f/0xa40
[ 6952.177729][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.177729][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.177729][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.177729][   T10]      netlink_unicast+0x449/0x710
[ 6952.177729][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.177729][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.177729][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.177729][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.177729][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.177729][   T10] 
[ 6952.179854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.179854][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6952.179854][   T10]      ipv6_find_idev+0x102/0x170
[ 6952.179854][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6952.179854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.179854][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.179854][   T10]      netlink_unicast+0x449/0x710
[ 6952.179854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.179854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.179854][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.179854][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.179854][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.179854][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.179854][   T10] 
[ 6952.181545][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6952.181545][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6952.181545][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6952.181545][   T10]      ipv6_find_idev+0x102/0x170
[ 6952.181545][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6952.181545][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.181545][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.181545][   T10]      netlink_unicast+0x449/0x710
[ 6952.181545][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.181545][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.181545][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.181545][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.181545][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.181545][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.181545][   T10] 
[ 6952.183519][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6952.183767][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6952.183767][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.183767][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.183767][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.183767][   T10]      ip6_route_add+0x1c/0x140
[ 6952.183767][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6952.183767][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6952.183767][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.183767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.183767][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.183767][   T10]      netlink_unicast+0x449/0x710
[ 6952.183767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.183767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.183767][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.183767][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.183767][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.183767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.183767][   T10] 
[ 6952.186082][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6952.186082][   T10]      netdev_get_by_index+0x5e/0x80
[ 6952.186082][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6952.186082][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6952.186082][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6952.186082][   T10]      ipv6_add_addr+0x411/0x2000
[ 6952.186082][   T10]      inet6_addr_add+0x30e/0xa40
[ 6952.186082][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6952.186082][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.186082][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.186082][   T10]      netlink_unicast+0x449/0x710
[ 6952.186082][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.186082][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.186082][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.186082][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.186082][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.186082][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.186082][   T10] 
[ 6952.188798][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6952.188798][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6952.188798][   T10]      ipv6_find_idev+0x102/0x170
[ 6952.188798][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6952.188798][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.188798][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.188798][   T10]      netlink_unicast+0x449/0x710
[ 6952.188798][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.188798][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.188798][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.188798][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.188798][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.188798][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.188798][   T10] 
[ 6952.190587][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6952.190587][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6952.190587][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6952.190587][   T10]      ipv6_find_idev+0x102/0x170
[ 6952.190587][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6952.190587][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6952.190587][   T10]      netlink_rcv_skb+0x130/0x360
[ 6952.190587][   T10]      netlink_unicast+0x449/0x710
[ 6952.190587][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6952.190587][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6952.190587][   T10]      ___sys_sendmsg+0xee/0x170
[ 6952.190587][   T10]      __sys_sendmsg+0xcd/0x170
[ 6952.190587][   T10]      do_syscall_64+0xc6/0x1e0
[ 6952.190587][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6952.190587][   T10] 
[ 6962.432782][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6962.433635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.433635][   T10]      dst_init+0x84/0x4a0
[ 6962.433635][   T10]      dst_alloc+0x97/0x150
[ 6962.433635][   T10]      ip6_dst_alloc+0x23/0x90
[ 6962.433635][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6962.433635][   T10]      ip6_pol_route+0x56f/0x840
[ 6962.433635][   T10]      fib6_rule_lookup+0x456/0x630
[ 6962.433635][   T10]      ip6_route_input+0x59c/0xa50
[ 6962.433635][   T10]      ipv6_rcv+0x397/0x810
[ 6962.433635][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6962.433635][   T10]      process_backlog+0x101/0x620
[ 6962.433635][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6962.433635][   T10]      net_rx_action+0x495/0xbe0
[ 6962.433635][   T10]      __do_softirq+0x1b5/0x7f6
[ 6962.433635][   T10] 
[ 6962.435302][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.435302][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6962.435302][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6962.435302][   T10]      fib6_nh_init+0xa22/0x1580
[ 6962.435302][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.435302][   T10]      ip6_route_add+0x1c/0x140
[ 6962.435302][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6962.435302][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.435302][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.435302][   T10]      netlink_unicast+0x449/0x710
[ 6962.435302][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.435302][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.435302][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.435302][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.435302][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.435302][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.435302][   T10] 
[ 6962.437080][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.437080][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.437080][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.437080][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.437080][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6962.437080][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6962.437080][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6962.437080][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6962.437080][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6962.437080][   T10]      addrconf_dad_begin+0x310/0x670
[ 6962.437080][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6962.437080][   T10]      process_one_work+0x84d/0x18a0
[ 6962.437080][   T10]      worker_thread+0x587/0xd30
[ 6962.437080][   T10]      kthread+0x28a/0x350
[ 6962.437080][   T10]      ret_from_fork+0x31/0x70
[ 6962.437080][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6962.437080][   T10] 
[ 6962.438878][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.438878][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.438878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.438878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.438878][   T10]      ip6_route_add+0x1c/0x140
[ 6962.438878][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6962.438878][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6962.438878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.438878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.438878][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.438878][   T10]      netlink_unicast+0x449/0x710
[ 6962.438878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.438878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.438878][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.438878][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.438878][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.438878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.438878][   T10] 
[ 6962.440951][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.440951][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.440951][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.440951][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.440951][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6962.440951][   T10]      ipv6_add_addr+0x411/0x2000
[ 6962.440951][   T10]      inet6_addr_add+0x30e/0xa40
[ 6962.440951][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.440951][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.440951][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.440951][   T10]      netlink_unicast+0x449/0x710
[ 6962.440951][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.440951][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.440951][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.440951][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.440951][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.440951][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.440951][   T10] 
[ 6962.442933][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.442933][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.442933][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.442933][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.442933][   T10]      ip6_route_add+0x1c/0x140
[ 6962.442933][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6962.442933][   T10]      addrconf_add_dev+0xe2/0x170
[ 6962.442933][   T10]      inet6_addr_add+0x12f/0xa40
[ 6962.442933][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.442933][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.442933][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.442933][   T10]      netlink_unicast+0x449/0x710
[ 6962.442933][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.442933][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.442933][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.442933][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.442933][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.442933][   T10] 
[ 6962.444893][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.444893][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6962.444893][   T10]      ipv6_find_idev+0x102/0x170
[ 6962.444893][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6962.444893][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.444893][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.444893][   T10]      netlink_unicast+0x449/0x710
[ 6962.444893][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.444893][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.444893][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.444893][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.444893][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.444893][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.444893][   T10] 
[ 6962.446415][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6962.446415][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6962.446415][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6962.446415][   T10]      ipv6_find_idev+0x102/0x170
[ 6962.446415][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6962.446415][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.446415][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.446415][   T10]      netlink_unicast+0x449/0x710
[ 6962.446415][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.446415][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.446415][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.446415][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.446415][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.446415][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.446415][   T10] 
[ 6962.448179][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6962.448442][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.448442][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6962.448442][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6962.448442][   T10]      fib6_nh_init+0xa22/0x1580
[ 6962.448442][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.448442][   T10]      ip6_route_add+0x1c/0x140
[ 6962.448442][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6962.448442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.448442][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.448442][   T10]      netlink_unicast+0x449/0x710
[ 6962.448442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.448442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.448442][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.448442][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.448442][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.448442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.448442][   T10] 
[ 6962.450348][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.450348][   T10]      dst_init+0x84/0x4a0
[ 6962.450348][   T10]      dst_alloc+0x97/0x150
[ 6962.450348][   T10]      ip6_dst_alloc+0x23/0x90
[ 6962.450348][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6962.450348][   T10]      ip6_pol_route+0x56f/0x840
[ 6962.450348][   T10]      fib6_rule_lookup+0x456/0x630
[ 6962.450348][   T10]      ip6_route_input+0x59c/0xa50
[ 6962.450348][   T10]      ipv6_rcv+0x397/0x810
[ 6962.450348][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6962.450348][   T10]      process_backlog+0x101/0x620
[ 6962.450348][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6962.450348][   T10]      net_rx_action+0x495/0xbe0
[ 6962.450348][   T10]      __do_softirq+0x1b5/0x7f6
[ 6962.450348][   T10] 
[ 6962.452040][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.452040][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.452040][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.452040][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.452040][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6962.452040][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6962.452040][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6962.452040][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6962.452040][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6962.452040][   T10]      addrconf_dad_begin+0x310/0x670
[ 6962.452040][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6962.452040][   T10]      process_one_work+0x84d/0x18a0
[ 6962.452040][   T10]      worker_thread+0x587/0xd30
[ 6962.452040][   T10]      kthread+0x28a/0x350
[ 6962.452040][   T10]      ret_from_fork+0x31/0x70
[ 6962.452040][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6962.452040][   T10] 
[ 6962.453930][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.453930][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.453930][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.453930][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.453930][   T10]      ip6_route_add+0x1c/0x140
[ 6962.453930][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6962.453930][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6962.453930][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.453930][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.453930][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.453930][   T10]      netlink_unicast+0x449/0x710
[ 6962.453930][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.453930][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.453930][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.453930][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.453930][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.453930][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.453930][   T10] 
[ 6962.455974][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.455974][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.455974][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.455974][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.455974][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6962.455974][   T10]      ipv6_add_addr+0x411/0x2000
[ 6962.455974][   T10]      inet6_addr_add+0x30e/0xa40
[ 6962.455974][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.455974][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.455974][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.455974][   T10]      netlink_unicast+0x449/0x710
[ 6962.455974][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.455974][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.455974][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.455974][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.455974][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.455974][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.455974][   T10] 
[ 6962.457973][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.457973][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.457973][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.457973][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.457973][   T10]      ip6_route_add+0x1c/0x140
[ 6962.457973][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6962.457973][   T10]      addrconf_add_dev+0xe2/0x170
[ 6962.457973][   T10]      inet6_addr_add+0x12f/0xa40
[ 6962.457973][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.457973][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.457973][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.457973][   T10]      netlink_unicast+0x449/0x710
[ 6962.457973][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.457973][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.457973][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.457973][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.457973][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.457973][   T10] 
[ 6962.460086][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.460086][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6962.460086][   T10]      ipv6_find_idev+0x102/0x170
[ 6962.460086][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6962.460086][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.460086][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.460086][   T10]      netlink_unicast+0x449/0x710
[ 6962.460086][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.460086][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.460086][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.460086][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.460086][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.460086][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.460086][   T10] 
[ 6962.461715][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6962.461715][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6962.461715][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6962.461715][   T10]      ipv6_find_idev+0x102/0x170
[ 6962.461715][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6962.461715][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.461715][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.461715][   T10]      netlink_unicast+0x449/0x710
[ 6962.461715][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.461715][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.461715][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.461715][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.461715][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.461715][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.461715][   T10] 
[ 6962.463682][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6962.463949][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6962.463949][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.463949][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.463949][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.463949][   T10]      ip6_route_add+0x1c/0x140
[ 6962.463949][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6962.463949][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6962.463949][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.463949][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.463949][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.463949][   T10]      netlink_unicast+0x449/0x710
[ 6962.463949][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.463949][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.463949][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.463949][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.463949][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.463949][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.463949][   T10] 
[ 6962.466210][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6962.466210][   T10]      netdev_get_by_index+0x5e/0x80
[ 6962.466210][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6962.466210][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6962.466210][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6962.466210][   T10]      ipv6_add_addr+0x411/0x2000
[ 6962.466210][   T10]      inet6_addr_add+0x30e/0xa40
[ 6962.466210][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6962.466210][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.466210][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.466210][   T10]      netlink_unicast+0x449/0x710
[ 6962.466210][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.466210][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.466210][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.466210][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.466210][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.466210][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.466210][   T10] 
[ 6962.468411][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6962.468411][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6962.468411][   T10]      ipv6_find_idev+0x102/0x170
[ 6962.468411][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6962.468411][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.468411][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.468411][   T10]      netlink_unicast+0x449/0x710
[ 6962.468411][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.468411][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.468411][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.468411][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.468411][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.468411][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.468411][   T10] 
[ 6962.470105][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6962.470105][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6962.470105][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6962.470105][   T10]      ipv6_find_idev+0x102/0x170
[ 6962.470105][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6962.470105][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6962.470105][   T10]      netlink_rcv_skb+0x130/0x360
[ 6962.470105][   T10]      netlink_unicast+0x449/0x710
[ 6962.470105][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6962.470105][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6962.470105][   T10]      ___sys_sendmsg+0xee/0x170
[ 6962.470105][   T10]      __sys_sendmsg+0xcd/0x170
[ 6962.470105][   T10]      do_syscall_64+0xc6/0x1e0
[ 6962.470105][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6962.470105][   T10] 
[ 6972.712841][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6972.713485][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.713485][   T10]      dst_init+0x84/0x4a0
[ 6972.713485][   T10]      dst_alloc+0x97/0x150
[ 6972.713485][   T10]      ip6_dst_alloc+0x23/0x90
[ 6972.713485][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6972.713485][   T10]      ip6_pol_route+0x56f/0x840
[ 6972.713485][   T10]      fib6_rule_lookup+0x456/0x630
[ 6972.713485][   T10]      ip6_route_input+0x59c/0xa50
[ 6972.713485][   T10]      ipv6_rcv+0x397/0x810
[ 6972.713485][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6972.713485][   T10]      process_backlog+0x101/0x620
[ 6972.713485][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6972.713485][   T10]      net_rx_action+0x495/0xbe0
[ 6972.713485][   T10]      __do_softirq+0x1b5/0x7f6
[ 6972.713485][   T10] 
[ 6972.715162][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.715162][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6972.715162][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6972.715162][   T10]      fib6_nh_init+0xa22/0x1580
[ 6972.715162][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.715162][   T10]      ip6_route_add+0x1c/0x140
[ 6972.715162][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6972.715162][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.715162][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.715162][   T10]      netlink_unicast+0x449/0x710
[ 6972.715162][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.715162][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.715162][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.715162][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.715162][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.715162][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.715162][   T10] 
[ 6972.716999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.716999][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.716999][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.716999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.716999][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6972.716999][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6972.716999][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6972.716999][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6972.716999][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6972.716999][   T10]      addrconf_dad_begin+0x310/0x670
[ 6972.716999][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6972.716999][   T10]      process_one_work+0x84d/0x18a0
[ 6972.716999][   T10]      worker_thread+0x587/0xd30
[ 6972.716999][   T10]      kthread+0x28a/0x350
[ 6972.716999][   T10]      ret_from_fork+0x31/0x70
[ 6972.716999][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6972.716999][   T10] 
[ 6972.718905][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.718905][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.718905][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.718905][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.718905][   T10]      ip6_route_add+0x1c/0x140
[ 6972.718905][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6972.718905][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6972.718905][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.718905][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.718905][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.718905][   T10]      netlink_unicast+0x449/0x710
[ 6972.718905][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.718905][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.718905][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.718905][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.718905][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.718905][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.718905][   T10] 
[ 6972.720902][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.720902][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.720902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.720902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.720902][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6972.720902][   T10]      ipv6_add_addr+0x411/0x2000
[ 6972.720902][   T10]      inet6_addr_add+0x30e/0xa40
[ 6972.720902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.720902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.720902][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.720902][   T10]      netlink_unicast+0x449/0x710
[ 6972.720902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.720902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.720902][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.720902][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.720902][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.720902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.720902][   T10] 
[ 6972.722855][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.722855][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.722855][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.722855][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.722855][   T10]      ip6_route_add+0x1c/0x140
[ 6972.722855][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6972.722855][   T10]      addrconf_add_dev+0xe2/0x170
[ 6972.722855][   T10]      inet6_addr_add+0x12f/0xa40
[ 6972.722855][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.722855][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.722855][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.722855][   T10]      netlink_unicast+0x449/0x710
[ 6972.722855][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.722855][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.722855][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.722855][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.722855][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.722855][   T10] 
[ 6972.724775][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.724775][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6972.724775][   T10]      ipv6_find_idev+0x102/0x170
[ 6972.724775][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6972.724775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.724775][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.724775][   T10]      netlink_unicast+0x449/0x710
[ 6972.724775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.724775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.724775][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.724775][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.724775][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.724775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.724775][   T10] 
[ 6972.726284][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6972.726284][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6972.726284][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6972.726284][   T10]      ipv6_find_idev+0x102/0x170
[ 6972.726284][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6972.726284][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.726284][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.726284][   T10]      netlink_unicast+0x449/0x710
[ 6972.726284][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.726284][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.726284][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.726284][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.726284][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.726284][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.726284][   T10] 
[ 6972.727931][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6972.728186][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.728186][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6972.728186][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6972.728186][   T10]      fib6_nh_init+0xa22/0x1580
[ 6972.728186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.728186][   T10]      ip6_route_add+0x1c/0x140
[ 6972.728186][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6972.728186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.728186][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.728186][   T10]      netlink_unicast+0x449/0x710
[ 6972.728186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.728186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.728186][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.728186][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.728186][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.728186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.728186][   T10] 
[ 6972.730044][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.730044][   T10]      dst_init+0x84/0x4a0
[ 6972.730044][   T10]      dst_alloc+0x97/0x150
[ 6972.730044][   T10]      ip6_dst_alloc+0x23/0x90
[ 6972.730044][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6972.730044][   T10]      ip6_pol_route+0x56f/0x840
[ 6972.730044][   T10]      fib6_rule_lookup+0x456/0x630
[ 6972.730044][   T10]      ip6_route_input+0x59c/0xa50
[ 6972.730044][   T10]      ipv6_rcv+0x397/0x810
[ 6972.730044][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6972.730044][   T10]      process_backlog+0x101/0x620
[ 6972.730044][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6972.730044][   T10]      net_rx_action+0x495/0xbe0
[ 6972.730044][   T10]      __do_softirq+0x1b5/0x7f6
[ 6972.730044][   T10] 
[ 6972.731646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.731646][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.731646][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.731646][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.731646][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6972.731646][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6972.731646][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6972.731646][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6972.731646][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6972.731646][   T10]      addrconf_dad_begin+0x310/0x670
[ 6972.731646][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6972.731646][   T10]      process_one_work+0x84d/0x18a0
[ 6972.731646][   T10]      worker_thread+0x587/0xd30
[ 6972.731646][   T10]      kthread+0x28a/0x350
[ 6972.731646][   T10]      ret_from_fork+0x31/0x70
[ 6972.731646][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6972.731646][   T10] 
[ 6972.733511][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.733511][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.733511][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.733511][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.733511][   T10]      ip6_route_add+0x1c/0x140
[ 6972.733511][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6972.733511][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6972.733511][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.733511][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.733511][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.733511][   T10]      netlink_unicast+0x449/0x710
[ 6972.733511][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.733511][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.733511][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.733511][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.733511][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.733511][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.733511][   T10] 
[ 6972.735585][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.735585][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.735585][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.735585][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.735585][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6972.735585][   T10]      ipv6_add_addr+0x411/0x2000
[ 6972.735585][   T10]      inet6_addr_add+0x30e/0xa40
[ 6972.735585][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.735585][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.735585][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.735585][   T10]      netlink_unicast+0x449/0x710
[ 6972.735585][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.735585][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.735585][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.735585][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.735585][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.735585][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.735585][   T10] 
[ 6972.737611][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.737611][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.737611][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.737611][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.737611][   T10]      ip6_route_add+0x1c/0x140
[ 6972.737611][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6972.737611][   T10]      addrconf_add_dev+0xe2/0x170
[ 6972.737611][   T10]      inet6_addr_add+0x12f/0xa40
[ 6972.737611][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.737611][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.737611][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.737611][   T10]      netlink_unicast+0x449/0x710
[ 6972.737611][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.737611][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.737611][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.737611][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.737611][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.737611][   T10] 
[ 6972.739767][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.739767][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6972.739767][   T10]      ipv6_find_idev+0x102/0x170
[ 6972.739767][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6972.739767][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.739767][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.739767][   T10]      netlink_unicast+0x449/0x710
[ 6972.739767][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.739767][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.739767][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.739767][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.739767][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.739767][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.739767][   T10] 
[ 6972.741558][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6972.741558][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6972.741558][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6972.741558][   T10]      ipv6_find_idev+0x102/0x170
[ 6972.741558][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6972.741558][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.741558][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.741558][   T10]      netlink_unicast+0x449/0x710
[ 6972.741558][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.741558][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.741558][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.741558][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.741558][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.741558][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.741558][   T10] 
[ 6972.743399][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6972.743687][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6972.743687][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.743687][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.743687][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.743687][   T10]      ip6_route_add+0x1c/0x140
[ 6972.743687][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6972.743687][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6972.743687][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.743687][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.743687][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.743687][   T10]      netlink_unicast+0x449/0x710
[ 6972.743687][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.743687][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.743687][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.743687][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.743687][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.743687][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.743687][   T10] 
[ 6972.745944][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6972.745944][   T10]      netdev_get_by_index+0x5e/0x80
[ 6972.745944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6972.745944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6972.745944][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6972.745944][   T10]      ipv6_add_addr+0x411/0x2000
[ 6972.745944][   T10]      inet6_addr_add+0x30e/0xa40
[ 6972.745944][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6972.745944][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.745944][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.745944][   T10]      netlink_unicast+0x449/0x710
[ 6972.745944][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.745944][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.745944][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.745944][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.745944][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.745944][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.745944][   T10] 
[ 6972.748188][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6972.748188][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6972.748188][   T10]      ipv6_find_idev+0x102/0x170
[ 6972.748188][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6972.748188][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.748188][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.748188][   T10]      netlink_unicast+0x449/0x710
[ 6972.748188][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.748188][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.748188][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.748188][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.748188][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.748188][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.748188][   T10] 
[ 6972.749955][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6972.749955][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6972.749955][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6972.749955][   T10]      ipv6_find_idev+0x102/0x170
[ 6972.749955][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6972.749955][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6972.749955][   T10]      netlink_rcv_skb+0x130/0x360
[ 6972.749955][   T10]      netlink_unicast+0x449/0x710
[ 6972.749955][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6972.749955][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6972.749955][   T10]      ___sys_sendmsg+0xee/0x170
[ 6972.749955][   T10]      __sys_sendmsg+0xcd/0x170
[ 6972.749955][   T10]      do_syscall_64+0xc6/0x1e0
[ 6972.749955][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6972.749955][   T10] 
[ 6982.912765][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6982.913557][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.913557][   T10]      dst_init+0x84/0x4a0
[ 6982.913557][   T10]      dst_alloc+0x97/0x150
[ 6982.913557][   T10]      ip6_dst_alloc+0x23/0x90
[ 6982.913557][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6982.913557][   T10]      ip6_pol_route+0x56f/0x840
[ 6982.913557][   T10]      fib6_rule_lookup+0x456/0x630
[ 6982.913557][   T10]      ip6_route_input+0x59c/0xa50
[ 6982.913557][   T10]      ipv6_rcv+0x397/0x810
[ 6982.913557][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6982.913557][   T10]      process_backlog+0x101/0x620
[ 6982.913557][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6982.913557][   T10]      net_rx_action+0x495/0xbe0
[ 6982.913557][   T10]      __do_softirq+0x1b5/0x7f6
[ 6982.913557][   T10] 
[ 6982.915200][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.915200][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6982.915200][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6982.915200][   T10]      fib6_nh_init+0xa22/0x1580
[ 6982.915200][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.915200][   T10]      ip6_route_add+0x1c/0x140
[ 6982.915200][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6982.915200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.915200][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.915200][   T10]      netlink_unicast+0x449/0x710
[ 6982.915200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.915200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.915200][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.915200][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.915200][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.915200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.915200][   T10] 
[ 6982.917051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.917051][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.917051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.917051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.917051][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6982.917051][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6982.917051][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6982.917051][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6982.917051][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6982.917051][   T10]      addrconf_dad_begin+0x310/0x670
[ 6982.917051][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6982.917051][   T10]      process_one_work+0x84d/0x18a0
[ 6982.917051][   T10]      worker_thread+0x587/0xd30
[ 6982.917051][   T10]      kthread+0x28a/0x350
[ 6982.917051][   T10]      ret_from_fork+0x31/0x70
[ 6982.917051][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6982.917051][   T10] 
[ 6982.918920][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.918920][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.918920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.918920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.918920][   T10]      ip6_route_add+0x1c/0x140
[ 6982.918920][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6982.918920][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6982.918920][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.918920][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.918920][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.918920][   T10]      netlink_unicast+0x449/0x710
[ 6982.918920][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.918920][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.918920][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.918920][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.918920][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.918920][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.918920][   T10] 
[ 6982.920880][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.920880][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.920880][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.920880][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.920880][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6982.920880][   T10]      ipv6_add_addr+0x411/0x2000
[ 6982.920880][   T10]      inet6_addr_add+0x30e/0xa40
[ 6982.920880][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.920880][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.920880][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.920880][   T10]      netlink_unicast+0x449/0x710
[ 6982.920880][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.920880][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.920880][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.920880][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.920880][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.920880][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.920880][   T10] 
[ 6982.922835][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.922835][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.922835][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.922835][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.922835][   T10]      ip6_route_add+0x1c/0x140
[ 6982.922835][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6982.922835][   T10]      addrconf_add_dev+0xe2/0x170
[ 6982.922835][   T10]      inet6_addr_add+0x12f/0xa40
[ 6982.922835][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.922835][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.922835][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.922835][   T10]      netlink_unicast+0x449/0x710
[ 6982.922835][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.922835][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.922835][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.922835][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.922835][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.922835][   T10] 
[ 6982.924809][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.924809][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6982.924809][   T10]      ipv6_find_idev+0x102/0x170
[ 6982.924809][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6982.924809][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.924809][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.924809][   T10]      netlink_unicast+0x449/0x710
[ 6982.924809][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.924809][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.924809][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.924809][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.924809][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.924809][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.924809][   T10] 
[ 6982.926336][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6982.926336][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6982.926336][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6982.926336][   T10]      ipv6_find_idev+0x102/0x170
[ 6982.926336][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6982.926336][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.926336][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.926336][   T10]      netlink_unicast+0x449/0x710
[ 6982.926336][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.926336][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.926336][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.926336][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.926336][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.926336][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.926336][   T10] 
[ 6982.927987][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6982.928259][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.928259][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6982.928259][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6982.928259][   T10]      fib6_nh_init+0xa22/0x1580
[ 6982.928259][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.928259][   T10]      ip6_route_add+0x1c/0x140
[ 6982.928259][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6982.928259][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.928259][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.928259][   T10]      netlink_unicast+0x449/0x710
[ 6982.928259][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.928259][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.928259][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.928259][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.928259][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.928259][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.928259][   T10] 
[ 6982.930127][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.930127][   T10]      dst_init+0x84/0x4a0
[ 6982.930127][   T10]      dst_alloc+0x97/0x150
[ 6982.930127][   T10]      ip6_dst_alloc+0x23/0x90
[ 6982.930127][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6982.930127][   T10]      ip6_pol_route+0x56f/0x840
[ 6982.930127][   T10]      fib6_rule_lookup+0x456/0x630
[ 6982.930127][   T10]      ip6_route_input+0x59c/0xa50
[ 6982.930127][   T10]      ipv6_rcv+0x397/0x810
[ 6982.930127][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6982.930127][   T10]      process_backlog+0x101/0x620
[ 6982.930127][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6982.930127][   T10]      net_rx_action+0x495/0xbe0
[ 6982.930127][   T10]      __do_softirq+0x1b5/0x7f6
[ 6982.930127][   T10] 
[ 6982.931785][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.931785][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.931785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.931785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.931785][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6982.931785][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6982.931785][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6982.931785][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6982.931785][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6982.931785][   T10]      addrconf_dad_begin+0x310/0x670
[ 6982.931785][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6982.931785][   T10]      process_one_work+0x84d/0x18a0
[ 6982.931785][   T10]      worker_thread+0x587/0xd30
[ 6982.931785][   T10]      kthread+0x28a/0x350
[ 6982.931785][   T10]      ret_from_fork+0x31/0x70
[ 6982.931785][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6982.931785][   T10] 
[ 6982.933692][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.933692][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.933692][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.933692][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.933692][   T10]      ip6_route_add+0x1c/0x140
[ 6982.933692][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6982.933692][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6982.933692][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.933692][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.933692][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.933692][   T10]      netlink_unicast+0x449/0x710
[ 6982.933692][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.933692][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.933692][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.933692][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.933692][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.933692][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.933692][   T10] 
[ 6982.935710][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.935710][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.935710][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.935710][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.935710][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6982.935710][   T10]      ipv6_add_addr+0x411/0x2000
[ 6982.935710][   T10]      inet6_addr_add+0x30e/0xa40
[ 6982.935710][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.935710][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.935710][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.935710][   T10]      netlink_unicast+0x449/0x710
[ 6982.935710][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.935710][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.935710][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.935710][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.935710][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.935710][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.935710][   T10] 
[ 6982.937711][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.937711][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.937711][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.937711][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.937711][   T10]      ip6_route_add+0x1c/0x140
[ 6982.937711][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6982.937711][   T10]      addrconf_add_dev+0xe2/0x170
[ 6982.937711][   T10]      inet6_addr_add+0x12f/0xa40
[ 6982.937711][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.937711][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.937711][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.937711][   T10]      netlink_unicast+0x449/0x710
[ 6982.937711][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.937711][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.937711][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.937711][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.937711][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.937711][   T10] 
[ 6982.939873][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.939873][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6982.939873][   T10]      ipv6_find_idev+0x102/0x170
[ 6982.939873][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6982.939873][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.939873][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.939873][   T10]      netlink_unicast+0x449/0x710
[ 6982.939873][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.939873][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.939873][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.939873][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.939873][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.939873][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.939873][   T10] 
[ 6982.941595][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6982.941595][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6982.941595][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6982.941595][   T10]      ipv6_find_idev+0x102/0x170
[ 6982.941595][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6982.941595][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.941595][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.941595][   T10]      netlink_unicast+0x449/0x710
[ 6982.941595][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.941595][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.941595][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.941595][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.941595][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.941595][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.941595][   T10] 
[ 6982.943519][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6982.943771][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6982.943771][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.943771][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.943771][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.943771][   T10]      ip6_route_add+0x1c/0x140
[ 6982.943771][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6982.943771][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6982.943771][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.943771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.943771][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.943771][   T10]      netlink_unicast+0x449/0x710
[ 6982.943771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.943771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.943771][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.943771][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.943771][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.943771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.943771][   T10] 
[ 6982.946020][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6982.946020][   T10]      netdev_get_by_index+0x5e/0x80
[ 6982.946020][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6982.946020][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6982.946020][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6982.946020][   T10]      ipv6_add_addr+0x411/0x2000
[ 6982.946020][   T10]      inet6_addr_add+0x30e/0xa40
[ 6982.946020][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6982.946020][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.946020][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.946020][   T10]      netlink_unicast+0x449/0x710
[ 6982.946020][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.946020][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.946020][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.946020][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.946020][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.946020][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.946020][   T10] 
[ 6982.948235][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6982.948235][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6982.948235][   T10]      ipv6_find_idev+0x102/0x170
[ 6982.948235][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6982.948235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.948235][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.948235][   T10]      netlink_unicast+0x449/0x710
[ 6982.948235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.948235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.948235][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.948235][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.948235][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.948235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.948235][   T10] 
[ 6982.949927][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6982.949927][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6982.949927][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6982.949927][   T10]      ipv6_find_idev+0x102/0x170
[ 6982.949927][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6982.949927][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6982.949927][   T10]      netlink_rcv_skb+0x130/0x360
[ 6982.949927][   T10]      netlink_unicast+0x449/0x710
[ 6982.949927][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6982.949927][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6982.949927][   T10]      ___sys_sendmsg+0xee/0x170
[ 6982.949927][   T10]      __sys_sendmsg+0xcd/0x170
[ 6982.949927][   T10]      do_syscall_64+0xc6/0x1e0
[ 6982.949927][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6982.949927][   T10] 
[ 6993.200810][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6993.201554][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.201554][   T10]      dst_init+0x84/0x4a0
[ 6993.201554][   T10]      dst_alloc+0x97/0x150
[ 6993.201554][   T10]      ip6_dst_alloc+0x23/0x90
[ 6993.201554][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6993.201554][   T10]      ip6_pol_route+0x56f/0x840
[ 6993.201554][   T10]      fib6_rule_lookup+0x456/0x630
[ 6993.201554][   T10]      ip6_route_input+0x59c/0xa50
[ 6993.201554][   T10]      ipv6_rcv+0x397/0x810
[ 6993.201554][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6993.201554][   T10]      process_backlog+0x101/0x620
[ 6993.201554][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6993.201554][   T10]      net_rx_action+0x495/0xbe0
[ 6993.201554][   T10]      __do_softirq+0x1b5/0x7f6
[ 6993.201554][   T10] 
[ 6993.203187][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.203187][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6993.203187][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6993.203187][   T10]      fib6_nh_init+0xa22/0x1580
[ 6993.203187][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.203187][   T10]      ip6_route_add+0x1c/0x140
[ 6993.203187][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6993.203187][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.203187][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.203187][   T10]      netlink_unicast+0x449/0x710
[ 6993.203187][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.203187][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.203187][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.203187][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.203187][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.203187][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.203187][   T10] 
[ 6993.205058][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.205058][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.205058][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.205058][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.205058][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6993.205058][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6993.205058][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6993.205058][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6993.205058][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6993.205058][   T10]      addrconf_dad_begin+0x310/0x670
[ 6993.205058][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6993.205058][   T10]      process_one_work+0x84d/0x18a0
[ 6993.205058][   T10]      worker_thread+0x587/0xd30
[ 6993.205058][   T10]      kthread+0x28a/0x350
[ 6993.205058][   T10]      ret_from_fork+0x31/0x70
[ 6993.205058][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6993.205058][   T10] 
[ 6993.206941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.206941][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.206941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.206941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.206941][   T10]      ip6_route_add+0x1c/0x140
[ 6993.206941][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6993.206941][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6993.206941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.206941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.206941][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.206941][   T10]      netlink_unicast+0x449/0x710
[ 6993.206941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.206941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.206941][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.206941][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.206941][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.206941][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.206941][   T10] 
[ 6993.208957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.208957][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.208957][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.208957][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.208957][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6993.208957][   T10]      ipv6_add_addr+0x411/0x2000
[ 6993.208957][   T10]      inet6_addr_add+0x30e/0xa40
[ 6993.208957][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.208957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.208957][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.208957][   T10]      netlink_unicast+0x449/0x710
[ 6993.208957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.208957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.208957][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.208957][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.208957][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.208957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.208957][   T10] 
[ 6993.210980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.210980][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.210980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.210980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.210980][   T10]      ip6_route_add+0x1c/0x140
[ 6993.210980][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6993.210980][   T10]      addrconf_add_dev+0xe2/0x170
[ 6993.210980][   T10]      inet6_addr_add+0x12f/0xa40
[ 6993.210980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.210980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.210980][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.210980][   T10]      netlink_unicast+0x449/0x710
[ 6993.210980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.210980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.210980][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.210980][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.210980][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.210980][   T10] 
[ 6993.212924][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.212924][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6993.212924][   T10]      ipv6_find_idev+0x102/0x170
[ 6993.212924][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6993.212924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.212924][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.212924][   T10]      netlink_unicast+0x449/0x710
[ 6993.212924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.212924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.212924][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.212924][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.212924][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.212924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.212924][   T10] 
[ 6993.214478][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 6993.214478][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6993.214478][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6993.214478][   T10]      ipv6_find_idev+0x102/0x170
[ 6993.214478][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6993.214478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.214478][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.214478][   T10]      netlink_unicast+0x449/0x710
[ 6993.214478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.214478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.214478][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.214478][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.214478][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.214478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.214478][   T10] 
[ 6993.216175][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 6993.216429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.216429][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 6993.216429][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 6993.216429][   T10]      fib6_nh_init+0xa22/0x1580
[ 6993.216429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.216429][   T10]      ip6_route_add+0x1c/0x140
[ 6993.216429][   T10]      inet6_rtm_newroute+0x104/0x110
[ 6993.216429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.216429][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.216429][   T10]      netlink_unicast+0x449/0x710
[ 6993.216429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.216429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.216429][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.216429][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.216429][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.216429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.216429][   T10] 
[ 6993.218298][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.218298][   T10]      dst_init+0x84/0x4a0
[ 6993.218298][   T10]      dst_alloc+0x97/0x150
[ 6993.218298][   T10]      ip6_dst_alloc+0x23/0x90
[ 6993.218298][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 6993.218298][   T10]      ip6_pol_route+0x56f/0x840
[ 6993.218298][   T10]      fib6_rule_lookup+0x456/0x630
[ 6993.218298][   T10]      ip6_route_input+0x59c/0xa50
[ 6993.218298][   T10]      ipv6_rcv+0x397/0x810
[ 6993.218298][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 6993.218298][   T10]      process_backlog+0x101/0x620
[ 6993.218298][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 6993.218298][   T10]      net_rx_action+0x495/0xbe0
[ 6993.218298][   T10]      __do_softirq+0x1b5/0x7f6
[ 6993.218298][   T10] 
[ 6993.219899][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.219899][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.219899][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.219899][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.219899][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 6993.219899][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 6993.219899][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 6993.219899][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 6993.219899][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 6993.219899][   T10]      addrconf_dad_begin+0x310/0x670
[ 6993.219899][   T10]      addrconf_dad_work+0x10b/0xab0
[ 6993.219899][   T10]      process_one_work+0x84d/0x18a0
[ 6993.219899][   T10]      worker_thread+0x587/0xd30
[ 6993.219899][   T10]      kthread+0x28a/0x350
[ 6993.219899][   T10]      ret_from_fork+0x31/0x70
[ 6993.219899][   T10]      ret_from_fork_asm+0x1a/0x30
[ 6993.219899][   T10] 
[ 6993.221806][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.221806][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.221806][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.221806][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.221806][   T10]      ip6_route_add+0x1c/0x140
[ 6993.221806][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6993.221806][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6993.221806][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.221806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.221806][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.221806][   T10]      netlink_unicast+0x449/0x710
[ 6993.221806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.221806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.221806][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.221806][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.221806][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.221806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.221806][   T10] 
[ 6993.223823][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.223823][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.223823][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.223823][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.223823][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6993.223823][   T10]      ipv6_add_addr+0x411/0x2000
[ 6993.223823][   T10]      inet6_addr_add+0x30e/0xa40
[ 6993.223823][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.223823][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.223823][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.223823][   T10]      netlink_unicast+0x449/0x710
[ 6993.223823][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.223823][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.223823][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.223823][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.223823][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.223823][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.223823][   T10] 
[ 6993.225797][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.225797][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.225797][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.225797][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.225797][   T10]      ip6_route_add+0x1c/0x140
[ 6993.225797][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 6993.225797][   T10]      addrconf_add_dev+0xe2/0x170
[ 6993.225797][   T10]      inet6_addr_add+0x12f/0xa40
[ 6993.225797][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.225797][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.225797][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.225797][   T10]      netlink_unicast+0x449/0x710
[ 6993.225797][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.225797][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.225797][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.225797][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.225797][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.225797][   T10] 
[ 6993.227971][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.227971][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6993.227971][   T10]      ipv6_find_idev+0x102/0x170
[ 6993.227971][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6993.227971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.227971][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.227971][   T10]      netlink_unicast+0x449/0x710
[ 6993.227971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.227971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.227971][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.227971][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.227971][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.227971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.227971][   T10] 
[ 6993.229769][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 6993.229769][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6993.229769][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6993.229769][   T10]      ipv6_find_idev+0x102/0x170
[ 6993.229769][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6993.229769][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.229769][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.229769][   T10]      netlink_unicast+0x449/0x710
[ 6993.229769][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.229769][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.229769][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.229769][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.229769][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.229769][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.229769][   T10] 
[ 6993.231647][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 6993.231883][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6993.231883][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.231883][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.231883][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.231883][   T10]      ip6_route_add+0x1c/0x140
[ 6993.231883][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 6993.231883][   T10]      inet6_addr_add+0x4f8/0xa40
[ 6993.231883][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.231883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.231883][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.231883][   T10]      netlink_unicast+0x449/0x710
[ 6993.231883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.231883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.231883][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.231883][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.231883][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.231883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.231883][   T10] 
[ 6993.234132][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6993.234132][   T10]      netdev_get_by_index+0x5e/0x80
[ 6993.234132][   T10]      fib6_nh_init+0x3d8/0x1580
[ 6993.234132][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 6993.234132][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 6993.234132][   T10]      ipv6_add_addr+0x411/0x2000
[ 6993.234132][   T10]      inet6_addr_add+0x30e/0xa40
[ 6993.234132][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 6993.234132][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.234132][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.234132][   T10]      netlink_unicast+0x449/0x710
[ 6993.234132][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.234132][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.234132][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.234132][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.234132][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.234132][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.234132][   T10] 
[ 6993.236390][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6993.236390][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 6993.236390][   T10]      ipv6_find_idev+0x102/0x170
[ 6993.236390][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6993.236390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.236390][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.236390][   T10]      netlink_unicast+0x449/0x710
[ 6993.236390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.236390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.236390][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.236390][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.236390][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.236390][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.236390][   T10] 
[ 6993.238164][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 6993.238164][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 6993.238164][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 6993.238164][   T10]      ipv6_find_idev+0x102/0x170
[ 6993.238164][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 6993.238164][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 6993.238164][   T10]      netlink_rcv_skb+0x130/0x360
[ 6993.238164][   T10]      netlink_unicast+0x449/0x710
[ 6993.238164][   T10]      netlink_sendmsg+0x723/0xbe0
[ 6993.238164][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 6993.238164][   T10]      ___sys_sendmsg+0xee/0x170
[ 6993.238164][   T10]      __sys_sendmsg+0xcd/0x170
[ 6993.238164][   T10]      do_syscall_64+0xc6/0x1e0
[ 6993.238164][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 6993.238164][   T10] 
[ 7003.376793][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7003.377553][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.377553][   T10]      dst_init+0x84/0x4a0
[ 7003.377553][   T10]      dst_alloc+0x97/0x150
[ 7003.377553][   T10]      ip6_dst_alloc+0x23/0x90
[ 7003.377553][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7003.377553][   T10]      ip6_pol_route+0x56f/0x840
[ 7003.377553][   T10]      fib6_rule_lookup+0x456/0x630
[ 7003.377553][   T10]      ip6_route_input+0x59c/0xa50
[ 7003.377553][   T10]      ipv6_rcv+0x397/0x810
[ 7003.377553][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7003.377553][   T10]      process_backlog+0x101/0x620
[ 7003.377553][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7003.377553][   T10]      net_rx_action+0x495/0xbe0
[ 7003.377553][   T10]      __do_softirq+0x1b5/0x7f6
[ 7003.377553][   T10] 
[ 7003.379200][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.379200][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7003.379200][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7003.379200][   T10]      fib6_nh_init+0xa22/0x1580
[ 7003.379200][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.379200][   T10]      ip6_route_add+0x1c/0x140
[ 7003.379200][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7003.379200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.379200][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.379200][   T10]      netlink_unicast+0x449/0x710
[ 7003.379200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.379200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.379200][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.379200][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.379200][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.379200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.379200][   T10] 
[ 7003.381205][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.381205][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.381205][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.381205][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.381205][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7003.381205][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7003.381205][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7003.381205][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7003.381205][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7003.381205][   T10]      addrconf_dad_begin+0x310/0x670
[ 7003.381205][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7003.381205][   T10]      process_one_work+0x84d/0x18a0
[ 7003.381205][   T10]      worker_thread+0x587/0xd30
[ 7003.381205][   T10]      kthread+0x28a/0x350
[ 7003.381205][   T10]      ret_from_fork+0x31/0x70
[ 7003.381205][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7003.381205][   T10] 
[ 7003.383166][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.383166][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.383166][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.383166][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.383166][   T10]      ip6_route_add+0x1c/0x140
[ 7003.383166][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7003.383166][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7003.383166][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.383166][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.383166][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.383166][   T10]      netlink_unicast+0x449/0x710
[ 7003.383166][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.383166][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.383166][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.383166][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.383166][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.383166][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.383166][   T10] 
[ 7003.385186][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.385186][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.385186][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.385186][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.385186][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7003.385186][   T10]      ipv6_add_addr+0x411/0x2000
[ 7003.385186][   T10]      inet6_addr_add+0x30e/0xa40
[ 7003.385186][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.385186][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.385186][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.385186][   T10]      netlink_unicast+0x449/0x710
[ 7003.385186][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.385186][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.385186][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.385186][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.385186][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.385186][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.385186][   T10] 
[ 7003.387136][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.387136][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.387136][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.387136][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.387136][   T10]      ip6_route_add+0x1c/0x140
[ 7003.387136][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7003.387136][   T10]      addrconf_add_dev+0xe2/0x170
[ 7003.387136][   T10]      inet6_addr_add+0x12f/0xa40
[ 7003.387136][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.387136][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.387136][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.387136][   T10]      netlink_unicast+0x449/0x710
[ 7003.387136][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.387136][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.387136][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.387136][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.387136][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.387136][   T10] 
[ 7003.389055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.389055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7003.389055][   T10]      ipv6_find_idev+0x102/0x170
[ 7003.389055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7003.389055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.389055][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.389055][   T10]      netlink_unicast+0x449/0x710
[ 7003.389055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.389055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.389055][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.389055][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.389055][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.389055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.389055][   T10] 
[ 7003.390577][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7003.390577][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7003.390577][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7003.390577][   T10]      ipv6_find_idev+0x102/0x170
[ 7003.390577][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7003.390577][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.390577][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.390577][   T10]      netlink_unicast+0x449/0x710
[ 7003.390577][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.390577][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.390577][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.390577][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.390577][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.390577][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.390577][   T10] 
[ 7003.392291][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7003.392537][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.392537][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7003.392537][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7003.392537][   T10]      fib6_nh_init+0xa22/0x1580
[ 7003.392537][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.392537][   T10]      ip6_route_add+0x1c/0x140
[ 7003.392537][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7003.392537][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.392537][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.392537][   T10]      netlink_unicast+0x449/0x710
[ 7003.392537][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.392537][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.392537][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.392537][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.392537][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.392537][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.392537][   T10] 
[ 7003.394438][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.394438][   T10]      dst_init+0x84/0x4a0
[ 7003.394438][   T10]      dst_alloc+0x97/0x150
[ 7003.394438][   T10]      ip6_dst_alloc+0x23/0x90
[ 7003.394438][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7003.394438][   T10]      ip6_pol_route+0x56f/0x840
[ 7003.394438][   T10]      fib6_rule_lookup+0x456/0x630
[ 7003.394438][   T10]      ip6_route_input+0x59c/0xa50
[ 7003.394438][   T10]      ipv6_rcv+0x397/0x810
[ 7003.394438][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7003.394438][   T10]      process_backlog+0x101/0x620
[ 7003.394438][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7003.394438][   T10]      net_rx_action+0x495/0xbe0
[ 7003.394438][   T10]      __do_softirq+0x1b5/0x7f6
[ 7003.394438][   T10] 
[ 7003.396088][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.396088][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.396088][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.396088][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.396088][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7003.396088][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7003.396088][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7003.396088][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7003.396088][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7003.396088][   T10]      addrconf_dad_begin+0x310/0x670
[ 7003.396088][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7003.396088][   T10]      process_one_work+0x84d/0x18a0
[ 7003.396088][   T10]      worker_thread+0x587/0xd30
[ 7003.396088][   T10]      kthread+0x28a/0x350
[ 7003.396088][   T10]      ret_from_fork+0x31/0x70
[ 7003.396088][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7003.396088][   T10] 
[ 7003.397988][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.397988][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.397988][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.397988][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.397988][   T10]      ip6_route_add+0x1c/0x140
[ 7003.397988][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7003.397988][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7003.397988][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.397988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.397988][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.397988][   T10]      netlink_unicast+0x449/0x710
[ 7003.397988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.397988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.397988][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.397988][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.397988][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.397988][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.397988][   T10] 
[ 7003.399984][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.399984][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.399984][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.399984][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.399984][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7003.399984][   T10]      ipv6_add_addr+0x411/0x2000
[ 7003.399984][   T10]      inet6_addr_add+0x30e/0xa40
[ 7003.399984][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.399984][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.399984][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.399984][   T10]      netlink_unicast+0x449/0x710
[ 7003.399984][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.399984][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.399984][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.399984][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.399984][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.399984][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.399984][   T10] 
[ 7003.401976][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.401976][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.401976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.401976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.401976][   T10]      ip6_route_add+0x1c/0x140
[ 7003.401976][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7003.401976][   T10]      addrconf_add_dev+0xe2/0x170
[ 7003.401976][   T10]      inet6_addr_add+0x12f/0xa40
[ 7003.401976][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.401976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.401976][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.401976][   T10]      netlink_unicast+0x449/0x710
[ 7003.401976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.401976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.401976][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.401976][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.401976][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.401976][   T10] 
[ 7003.404141][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.404141][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7003.404141][   T10]      ipv6_find_idev+0x102/0x170
[ 7003.404141][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7003.404141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.404141][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.404141][   T10]      netlink_unicast+0x449/0x710
[ 7003.404141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.404141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.404141][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.404141][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.404141][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.404141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.404141][   T10] 
[ 7003.405857][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7003.405857][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7003.405857][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7003.405857][   T10]      ipv6_find_idev+0x102/0x170
[ 7003.405857][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7003.405857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.405857][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.405857][   T10]      netlink_unicast+0x449/0x710
[ 7003.405857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.405857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.405857][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.405857][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.405857][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.405857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.405857][   T10] 
[ 7003.407778][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7003.408016][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7003.408016][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.408016][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.408016][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.408016][   T10]      ip6_route_add+0x1c/0x140
[ 7003.408016][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7003.408016][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7003.408016][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.408016][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.408016][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.408016][   T10]      netlink_unicast+0x449/0x710
[ 7003.408016][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.408016][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.408016][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.408016][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.408016][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.408016][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.408016][   T10] 
[ 7003.410269][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7003.410269][   T10]      netdev_get_by_index+0x5e/0x80
[ 7003.410269][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7003.410269][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7003.410269][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7003.410269][   T10]      ipv6_add_addr+0x411/0x2000
[ 7003.410269][   T10]      inet6_addr_add+0x30e/0xa40
[ 7003.410269][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7003.410269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.410269][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.410269][   T10]      netlink_unicast+0x449/0x710
[ 7003.410269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.410269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.410269][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.410269][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.410269][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.410269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.410269][   T10] 
[ 7003.412442][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7003.412442][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7003.412442][   T10]      ipv6_find_idev+0x102/0x170
[ 7003.412442][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7003.412442][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.412442][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.412442][   T10]      netlink_unicast+0x449/0x710
[ 7003.412442][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.412442][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.412442][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.412442][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.412442][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.412442][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.412442][   T10] 
[ 7003.414161][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7003.414161][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7003.414161][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7003.414161][   T10]      ipv6_find_idev+0x102/0x170
[ 7003.414161][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7003.414161][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7003.414161][   T10]      netlink_rcv_skb+0x130/0x360
[ 7003.414161][   T10]      netlink_unicast+0x449/0x710
[ 7003.414161][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7003.414161][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7003.414161][   T10]      ___sys_sendmsg+0xee/0x170
[ 7003.414161][   T10]      __sys_sendmsg+0xcd/0x170
[ 7003.414161][   T10]      do_syscall_64+0xc6/0x1e0
[ 7003.414161][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7003.414161][   T10] 
[ 7013.656766][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7013.657407][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.657407][   T10]      dst_init+0x84/0x4a0
[ 7013.657407][   T10]      dst_alloc+0x97/0x150
[ 7013.657407][   T10]      ip6_dst_alloc+0x23/0x90
[ 7013.657407][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7013.657407][   T10]      ip6_pol_route+0x56f/0x840
[ 7013.657407][   T10]      fib6_rule_lookup+0x456/0x630
[ 7013.657407][   T10]      ip6_route_input+0x59c/0xa50
[ 7013.657407][   T10]      ipv6_rcv+0x397/0x810
[ 7013.657407][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7013.657407][   T10]      process_backlog+0x101/0x620
[ 7013.657407][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7013.657407][   T10]      net_rx_action+0x495/0xbe0
[ 7013.657407][   T10]      __do_softirq+0x1b5/0x7f6
[ 7013.657407][   T10] 
[ 7013.659041][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.659041][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7013.659041][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7013.659041][   T10]      fib6_nh_init+0xa22/0x1580
[ 7013.659041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.659041][   T10]      ip6_route_add+0x1c/0x140
[ 7013.659041][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7013.659041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.659041][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.659041][   T10]      netlink_unicast+0x449/0x710
[ 7013.659041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.659041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.659041][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.659041][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.659041][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.659041][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.659041][   T10] 
[ 7013.660898][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.660898][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.660898][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.660898][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.660898][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7013.660898][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7013.660898][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7013.660898][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7013.660898][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7013.660898][   T10]      addrconf_dad_begin+0x310/0x670
[ 7013.660898][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7013.660898][   T10]      process_one_work+0x84d/0x18a0
[ 7013.660898][   T10]      worker_thread+0x587/0xd30
[ 7013.660898][   T10]      kthread+0x28a/0x350
[ 7013.660898][   T10]      ret_from_fork+0x31/0x70
[ 7013.660898][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7013.660898][   T10] 
[ 7013.662787][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.662787][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.662787][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.662787][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.662787][   T10]      ip6_route_add+0x1c/0x140
[ 7013.662787][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7013.662787][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7013.662787][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.662787][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.662787][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.662787][   T10]      netlink_unicast+0x449/0x710
[ 7013.662787][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.662787][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.662787][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.662787][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.662787][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.662787][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.662787][   T10] 
[ 7013.664807][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.664807][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.664807][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.664807][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.664807][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7013.664807][   T10]      ipv6_add_addr+0x411/0x2000
[ 7013.664807][   T10]      inet6_addr_add+0x30e/0xa40
[ 7013.664807][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.664807][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.664807][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.664807][   T10]      netlink_unicast+0x449/0x710
[ 7013.664807][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.664807][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.664807][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.664807][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.664807][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.664807][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.664807][   T10] 
[ 7013.666758][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.666758][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.666758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.666758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.666758][   T10]      ip6_route_add+0x1c/0x140
[ 7013.666758][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7013.666758][   T10]      addrconf_add_dev+0xe2/0x170
[ 7013.666758][   T10]      inet6_addr_add+0x12f/0xa40
[ 7013.666758][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.666758][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.666758][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.666758][   T10]      netlink_unicast+0x449/0x710
[ 7013.666758][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.666758][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.666758][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.666758][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.666758][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.666758][   T10] 
[ 7013.668675][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.668675][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7013.668675][   T10]      ipv6_find_idev+0x102/0x170
[ 7013.668675][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7013.668675][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.668675][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.668675][   T10]      netlink_unicast+0x449/0x710
[ 7013.668675][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.668675][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.668675][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.668675][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.668675][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.668675][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.668675][   T10] 
[ 7013.670206][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7013.670206][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7013.670206][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7013.670206][   T10]      ipv6_find_idev+0x102/0x170
[ 7013.670206][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7013.670206][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.670206][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.670206][   T10]      netlink_unicast+0x449/0x710
[ 7013.670206][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.670206][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.670206][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.670206][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.670206][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.670206][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.670206][   T10] 
[ 7013.671886][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7013.672141][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.672141][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7013.672141][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7013.672141][   T10]      fib6_nh_init+0xa22/0x1580
[ 7013.672141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.672141][   T10]      ip6_route_add+0x1c/0x140
[ 7013.672141][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7013.672141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.672141][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.672141][   T10]      netlink_unicast+0x449/0x710
[ 7013.672141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.672141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.672141][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.672141][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.672141][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.672141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.672141][   T10] 
[ 7013.674049][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.674049][   T10]      dst_init+0x84/0x4a0
[ 7013.674049][   T10]      dst_alloc+0x97/0x150
[ 7013.674049][   T10]      ip6_dst_alloc+0x23/0x90
[ 7013.674049][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7013.674049][   T10]      ip6_pol_route+0x56f/0x840
[ 7013.674049][   T10]      fib6_rule_lookup+0x456/0x630
[ 7013.674049][   T10]      ip6_route_input+0x59c/0xa50
[ 7013.674049][   T10]      ipv6_rcv+0x397/0x810
[ 7013.674049][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7013.674049][   T10]      process_backlog+0x101/0x620
[ 7013.674049][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7013.674049][   T10]      net_rx_action+0x495/0xbe0
[ 7013.674049][   T10]      __do_softirq+0x1b5/0x7f6
[ 7013.674049][   T10] 
[ 7013.675670][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.675670][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.675670][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.675670][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.675670][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7013.675670][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7013.675670][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7013.675670][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7013.675670][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7013.675670][   T10]      addrconf_dad_begin+0x310/0x670
[ 7013.675670][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7013.675670][   T10]      process_one_work+0x84d/0x18a0
[ 7013.675670][   T10]      worker_thread+0x587/0xd30
[ 7013.675670][   T10]      kthread+0x28a/0x350
[ 7013.675670][   T10]      ret_from_fork+0x31/0x70
[ 7013.675670][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7013.675670][   T10] 
[ 7013.677560][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.677560][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.677560][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.677560][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.677560][   T10]      ip6_route_add+0x1c/0x140
[ 7013.677560][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7013.677560][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7013.677560][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.677560][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.677560][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.677560][   T10]      netlink_unicast+0x449/0x710
[ 7013.677560][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.677560][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.677560][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.677560][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.677560][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.677560][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.677560][   T10] 
[ 7013.679588][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.679588][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.679588][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.679588][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.679588][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7013.679588][   T10]      ipv6_add_addr+0x411/0x2000
[ 7013.679588][   T10]      inet6_addr_add+0x30e/0xa40
[ 7013.679588][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.679588][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.679588][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.679588][   T10]      netlink_unicast+0x449/0x710
[ 7013.679588][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.679588][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.679588][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.679588][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.679588][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.679588][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.679588][   T10] 
[ 7013.681561][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.681561][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.681561][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.681561][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.681561][   T10]      ip6_route_add+0x1c/0x140
[ 7013.681561][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7013.681561][   T10]      addrconf_add_dev+0xe2/0x170
[ 7013.681561][   T10]      inet6_addr_add+0x12f/0xa40
[ 7013.681561][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.681561][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.681561][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.681561][   T10]      netlink_unicast+0x449/0x710
[ 7013.681561][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.681561][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.681561][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.681561][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.681561][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.681561][   T10] 
[ 7013.683700][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.683700][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7013.683700][   T10]      ipv6_find_idev+0x102/0x170
[ 7013.683700][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7013.683700][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.683700][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.683700][   T10]      netlink_unicast+0x449/0x710
[ 7013.683700][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.683700][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.683700][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.683700][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.683700][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.683700][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.683700][   T10] 
[ 7013.685465][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7013.685465][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7013.685465][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7013.685465][   T10]      ipv6_find_idev+0x102/0x170
[ 7013.685465][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7013.685465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.685465][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.685465][   T10]      netlink_unicast+0x449/0x710
[ 7013.685465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.685465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.685465][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.685465][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.685465][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.685465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.685465][   T10] 
[ 7013.687362][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7013.687703][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7013.687703][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.687703][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.687703][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.687703][   T10]      ip6_route_add+0x1c/0x140
[ 7013.687703][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7013.687703][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7013.687703][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.687703][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.687703][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.687703][   T10]      netlink_unicast+0x449/0x710
[ 7013.687703][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.687703][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.687703][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.687703][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.687703][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.687703][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.687703][   T10] 
[ 7013.689839][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7013.689839][   T10]      netdev_get_by_index+0x5e/0x80
[ 7013.689839][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7013.689839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7013.689839][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7013.689839][   T10]      ipv6_add_addr+0x411/0x2000
[ 7013.689839][   T10]      inet6_addr_add+0x30e/0xa40
[ 7013.689839][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7013.689839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.689839][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.689839][   T10]      netlink_unicast+0x449/0x710
[ 7013.689839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.689839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.689839][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.689839][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.689839][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.689839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.689839][   T10] 
[ 7013.692079][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7013.692079][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7013.692079][   T10]      ipv6_find_idev+0x102/0x170
[ 7013.692079][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7013.692079][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.692079][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.692079][   T10]      netlink_unicast+0x449/0x710
[ 7013.692079][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.692079][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.692079][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.692079][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.692079][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.692079][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.692079][   T10] 
[ 7013.693906][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7013.693906][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7013.693906][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7013.693906][   T10]      ipv6_find_idev+0x102/0x170
[ 7013.693906][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7013.693906][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7013.693906][   T10]      netlink_rcv_skb+0x130/0x360
[ 7013.693906][   T10]      netlink_unicast+0x449/0x710
[ 7013.693906][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7013.693906][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7013.693906][   T10]      ___sys_sendmsg+0xee/0x170
[ 7013.693906][   T10]      __sys_sendmsg+0xcd/0x170
[ 7013.693906][   T10]      do_syscall_64+0xc6/0x1e0
[ 7013.693906][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7013.693906][   T10] 
[ 7023.936704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7023.937150][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.937150][   T10]      dst_init+0x84/0x4a0
[ 7023.937150][   T10]      dst_alloc+0x97/0x150
[ 7023.937150][   T10]      ip6_dst_alloc+0x23/0x90
[ 7023.937150][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7023.937150][   T10]      ip6_pol_route+0x56f/0x840
[ 7023.937150][   T10]      fib6_rule_lookup+0x456/0x630
[ 7023.937150][   T10]      ip6_route_input+0x59c/0xa50
[ 7023.937150][   T10]      ipv6_rcv+0x397/0x810
[ 7023.937150][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7023.937150][   T10]      process_backlog+0x101/0x620
[ 7023.937150][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7023.937150][   T10]      net_rx_action+0x495/0xbe0
[ 7023.937150][   T10]      __do_softirq+0x1b5/0x7f6
[ 7023.937150][   T10] 
[ 7023.938775][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.938775][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7023.938775][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7023.938775][   T10]      fib6_nh_init+0xa22/0x1580
[ 7023.938775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.938775][   T10]      ip6_route_add+0x1c/0x140
[ 7023.938775][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7023.938775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.938775][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.938775][   T10]      netlink_unicast+0x449/0x710
[ 7023.938775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.938775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.938775][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.938775][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.938775][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.938775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.938775][   T10] 
[ 7023.940623][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.940623][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.940623][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.940623][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.940623][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7023.940623][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7023.940623][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7023.940623][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7023.940623][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7023.940623][   T10]      addrconf_dad_begin+0x310/0x670
[ 7023.940623][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7023.940623][   T10]      process_one_work+0x84d/0x18a0
[ 7023.940623][   T10]      worker_thread+0x587/0xd30
[ 7023.940623][   T10]      kthread+0x28a/0x350
[ 7023.940623][   T10]      ret_from_fork+0x31/0x70
[ 7023.940623][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7023.940623][   T10] 
[ 7023.942489][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.942489][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.942489][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.942489][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.942489][   T10]      ip6_route_add+0x1c/0x140
[ 7023.942489][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7023.942489][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7023.942489][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.942489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.942489][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.942489][   T10]      netlink_unicast+0x449/0x710
[ 7023.942489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.942489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.942489][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.942489][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.942489][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.942489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.942489][   T10] 
[ 7023.944458][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.944458][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.944458][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.944458][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.944458][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7023.944458][   T10]      ipv6_add_addr+0x411/0x2000
[ 7023.944458][   T10]      inet6_addr_add+0x30e/0xa40
[ 7023.944458][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.944458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.944458][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.944458][   T10]      netlink_unicast+0x449/0x710
[ 7023.944458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.944458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.944458][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.944458][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.944458][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.944458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.944458][   T10] 
[ 7023.946444][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.946444][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.946444][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.946444][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.946444][   T10]      ip6_route_add+0x1c/0x140
[ 7023.946444][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7023.946444][   T10]      addrconf_add_dev+0xe2/0x170
[ 7023.946444][   T10]      inet6_addr_add+0x12f/0xa40
[ 7023.946444][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.946444][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.946444][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.946444][   T10]      netlink_unicast+0x449/0x710
[ 7023.946444][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.946444][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.946444][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.946444][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.946444][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.946444][   T10] 
[ 7023.948361][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.948361][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7023.948361][   T10]      ipv6_find_idev+0x102/0x170
[ 7023.948361][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7023.948361][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.948361][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.948361][   T10]      netlink_unicast+0x449/0x710
[ 7023.948361][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.948361][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.948361][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.948361][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.948361][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.948361][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.948361][   T10] 
[ 7023.949884][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7023.949884][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7023.949884][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7023.949884][   T10]      ipv6_find_idev+0x102/0x170
[ 7023.949884][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7023.949884][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.949884][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.949884][   T10]      netlink_unicast+0x449/0x710
[ 7023.949884][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.949884][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.949884][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.949884][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.949884][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.949884][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.949884][   T10] 
[ 7023.951610][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7023.951850][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.951850][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7023.951850][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7023.951850][   T10]      fib6_nh_init+0xa22/0x1580
[ 7023.951850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.951850][   T10]      ip6_route_add+0x1c/0x140
[ 7023.951850][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7023.951850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.951850][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.951850][   T10]      netlink_unicast+0x449/0x710
[ 7023.951850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.951850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.951850][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.951850][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.951850][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.951850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.951850][   T10] 
[ 7023.953729][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.953729][   T10]      dst_init+0x84/0x4a0
[ 7023.953729][   T10]      dst_alloc+0x97/0x150
[ 7023.953729][   T10]      ip6_dst_alloc+0x23/0x90
[ 7023.953729][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7023.953729][   T10]      ip6_pol_route+0x56f/0x840
[ 7023.953729][   T10]      fib6_rule_lookup+0x456/0x630
[ 7023.953729][   T10]      ip6_route_input+0x59c/0xa50
[ 7023.953729][   T10]      ipv6_rcv+0x397/0x810
[ 7023.953729][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7023.953729][   T10]      process_backlog+0x101/0x620
[ 7023.953729][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7023.953729][   T10]      net_rx_action+0x495/0xbe0
[ 7023.953729][   T10]      __do_softirq+0x1b5/0x7f6
[ 7023.953729][   T10] 
[ 7023.955350][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.955350][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.955350][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.955350][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.955350][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7023.955350][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7023.955350][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7023.955350][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7023.955350][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7023.955350][   T10]      addrconf_dad_begin+0x310/0x670
[ 7023.955350][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7023.955350][   T10]      process_one_work+0x84d/0x18a0
[ 7023.955350][   T10]      worker_thread+0x587/0xd30
[ 7023.955350][   T10]      kthread+0x28a/0x350
[ 7023.955350][   T10]      ret_from_fork+0x31/0x70
[ 7023.955350][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7023.955350][   T10] 
[ 7023.957226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.957226][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.957226][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.957226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.957226][   T10]      ip6_route_add+0x1c/0x140
[ 7023.957226][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7023.957226][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7023.957226][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.957226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.957226][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.957226][   T10]      netlink_unicast+0x449/0x710
[ 7023.957226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.957226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.957226][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.957226][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.957226][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.957226][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.957226][   T10] 
[ 7023.959223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.959223][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.959223][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.959223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.959223][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7023.959223][   T10]      ipv6_add_addr+0x411/0x2000
[ 7023.959223][   T10]      inet6_addr_add+0x30e/0xa40
[ 7023.959223][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.959223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.959223][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.959223][   T10]      netlink_unicast+0x449/0x710
[ 7023.959223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.959223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.959223][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.959223][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.959223][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.959223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.959223][   T10] 
[ 7023.961226][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.961226][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.961226][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.961226][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.961226][   T10]      ip6_route_add+0x1c/0x140
[ 7023.961226][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7023.961226][   T10]      addrconf_add_dev+0xe2/0x170
[ 7023.961226][   T10]      inet6_addr_add+0x12f/0xa40
[ 7023.961226][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.961226][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.961226][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.961226][   T10]      netlink_unicast+0x449/0x710
[ 7023.961226][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.961226][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.961226][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.961226][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.961226][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.961226][   T10] 
[ 7023.963357][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.963357][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7023.963357][   T10]      ipv6_find_idev+0x102/0x170
[ 7023.963357][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7023.963357][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.963357][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.963357][   T10]      netlink_unicast+0x449/0x710
[ 7023.963357][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.963357][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.963357][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.963357][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.963357][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.963357][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.963357][   T10] 
[ 7023.965148][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7023.965148][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7023.965148][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7023.965148][   T10]      ipv6_find_idev+0x102/0x170
[ 7023.965148][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7023.965148][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.965148][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.965148][   T10]      netlink_unicast+0x449/0x710
[ 7023.965148][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.965148][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.965148][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.965148][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.965148][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.965148][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.965148][   T10] 
[ 7023.967050][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7023.967356][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7023.967356][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.967356][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.967356][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.967356][   T10]      ip6_route_add+0x1c/0x140
[ 7023.967356][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7023.967356][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7023.967356][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.967356][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.967356][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.967356][   T10]      netlink_unicast+0x449/0x710
[ 7023.967356][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.967356][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.967356][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.967356][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.967356][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.967356][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.967356][   T10] 
[ 7023.969465][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7023.969465][   T10]      netdev_get_by_index+0x5e/0x80
[ 7023.969465][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7023.969465][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7023.969465][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7023.969465][   T10]      ipv6_add_addr+0x411/0x2000
[ 7023.969465][   T10]      inet6_addr_add+0x30e/0xa40
[ 7023.969465][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7023.969465][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.969465][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.969465][   T10]      netlink_unicast+0x449/0x710
[ 7023.969465][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.969465][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.969465][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.969465][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.969465][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.969465][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.969465][   T10] 
[ 7023.971713][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7023.971713][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7023.971713][   T10]      ipv6_find_idev+0x102/0x170
[ 7023.971713][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7023.971713][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.971713][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.971713][   T10]      netlink_unicast+0x449/0x710
[ 7023.971713][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.971713][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.971713][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.971713][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.971713][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.971713][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.971713][   T10] 
[ 7023.973468][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7023.973468][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7023.973468][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7023.973468][   T10]      ipv6_find_idev+0x102/0x170
[ 7023.973468][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7023.973468][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7023.973468][   T10]      netlink_rcv_skb+0x130/0x360
[ 7023.973468][   T10]      netlink_unicast+0x449/0x710
[ 7023.973468][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7023.973468][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7023.973468][   T10]      ___sys_sendmsg+0xee/0x170
[ 7023.973468][   T10]      __sys_sendmsg+0xcd/0x170
[ 7023.973468][   T10]      do_syscall_64+0xc6/0x1e0
[ 7023.973468][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7023.973468][   T10] 
[ 7034.216852][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7034.217427][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.217427][   T10]      dst_init+0x84/0x4a0
[ 7034.217427][   T10]      dst_alloc+0x97/0x150
[ 7034.217427][   T10]      ip6_dst_alloc+0x23/0x90
[ 7034.217427][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7034.217427][   T10]      ip6_pol_route+0x56f/0x840
[ 7034.217427][   T10]      fib6_rule_lookup+0x456/0x630
[ 7034.217427][   T10]      ip6_route_input+0x59c/0xa50
[ 7034.217427][   T10]      ipv6_rcv+0x397/0x810
[ 7034.217427][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7034.217427][   T10]      process_backlog+0x101/0x620
[ 7034.217427][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7034.217427][   T10]      net_rx_action+0x495/0xbe0
[ 7034.217427][   T10]      __do_softirq+0x1b5/0x7f6
[ 7034.217427][   T10] 
[ 7034.219061][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.219061][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7034.219061][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7034.219061][   T10]      fib6_nh_init+0xa22/0x1580
[ 7034.219061][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.219061][   T10]      ip6_route_add+0x1c/0x140
[ 7034.219061][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7034.219061][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.219061][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.219061][   T10]      netlink_unicast+0x449/0x710
[ 7034.219061][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.219061][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.219061][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.219061][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.219061][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.219061][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.219061][   T10] 
[ 7034.220941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.220941][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.220941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.220941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.220941][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7034.220941][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7034.220941][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7034.220941][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7034.220941][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7034.220941][   T10]      addrconf_dad_begin+0x310/0x670
[ 7034.220941][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7034.220941][   T10]      process_one_work+0x84d/0x18a0
[ 7034.220941][   T10]      worker_thread+0x587/0xd30
[ 7034.220941][   T10]      kthread+0x28a/0x350
[ 7034.220941][   T10]      ret_from_fork+0x31/0x70
[ 7034.220941][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7034.220941][   T10] 
[ 7034.222850][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.222850][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.222850][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.222850][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.222850][   T10]      ip6_route_add+0x1c/0x140
[ 7034.222850][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7034.222850][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7034.222850][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.222850][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.222850][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.222850][   T10]      netlink_unicast+0x449/0x710
[ 7034.222850][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.222850][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.222850][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.222850][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.222850][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.222850][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.222850][   T10] 
[ 7034.224851][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.224851][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.224851][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.224851][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.224851][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7034.224851][   T10]      ipv6_add_addr+0x411/0x2000
[ 7034.224851][   T10]      inet6_addr_add+0x30e/0xa40
[ 7034.224851][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.224851][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.224851][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.224851][   T10]      netlink_unicast+0x449/0x710
[ 7034.224851][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.224851][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.224851][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.224851][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.224851][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.224851][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.224851][   T10] 
[ 7034.226816][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.226816][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.226816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.226816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.226816][   T10]      ip6_route_add+0x1c/0x140
[ 7034.226816][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7034.226816][   T10]      addrconf_add_dev+0xe2/0x170
[ 7034.226816][   T10]      inet6_addr_add+0x12f/0xa40
[ 7034.226816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.226816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.226816][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.226816][   T10]      netlink_unicast+0x449/0x710
[ 7034.226816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.226816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.226816][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.226816][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.226816][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.226816][   T10] 
[ 7034.228771][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.228771][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7034.228771][   T10]      ipv6_find_idev+0x102/0x170
[ 7034.228771][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7034.228771][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.228771][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.228771][   T10]      netlink_unicast+0x449/0x710
[ 7034.228771][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.228771][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.228771][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.228771][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.228771][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.228771][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.228771][   T10] 
[ 7034.230309][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7034.230309][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7034.230309][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7034.230309][   T10]      ipv6_find_idev+0x102/0x170
[ 7034.230309][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7034.230309][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.230309][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.230309][   T10]      netlink_unicast+0x449/0x710
[ 7034.230309][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.230309][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.230309][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.230309][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.230309][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.230309][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.230309][   T10] 
[ 7034.232056][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7034.232301][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.232301][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7034.232301][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7034.232301][   T10]      fib6_nh_init+0xa22/0x1580
[ 7034.232301][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.232301][   T10]      ip6_route_add+0x1c/0x140
[ 7034.232301][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7034.232301][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.232301][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.232301][   T10]      netlink_unicast+0x449/0x710
[ 7034.232301][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.232301][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.232301][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.232301][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.232301][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.232301][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.232301][   T10] 
[ 7034.234236][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.234236][   T10]      dst_init+0x84/0x4a0
[ 7034.234236][   T10]      dst_alloc+0x97/0x150
[ 7034.234236][   T10]      ip6_dst_alloc+0x23/0x90
[ 7034.234236][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7034.234236][   T10]      ip6_pol_route+0x56f/0x840
[ 7034.234236][   T10]      fib6_rule_lookup+0x456/0x630
[ 7034.234236][   T10]      ip6_route_input+0x59c/0xa50
[ 7034.234236][   T10]      ipv6_rcv+0x397/0x810
[ 7034.234236][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7034.234236][   T10]      process_backlog+0x101/0x620
[ 7034.234236][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7034.234236][   T10]      net_rx_action+0x495/0xbe0
[ 7034.234236][   T10]      __do_softirq+0x1b5/0x7f6
[ 7034.234236][   T10] 
[ 7034.235885][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.235885][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.235885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.235885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.235885][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7034.235885][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7034.235885][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7034.235885][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7034.235885][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7034.235885][   T10]      addrconf_dad_begin+0x310/0x670
[ 7034.235885][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7034.235885][   T10]      process_one_work+0x84d/0x18a0
[ 7034.235885][   T10]      worker_thread+0x587/0xd30
[ 7034.235885][   T10]      kthread+0x28a/0x350
[ 7034.235885][   T10]      ret_from_fork+0x31/0x70
[ 7034.235885][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7034.235885][   T10] 
[ 7034.237763][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.237763][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.237763][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.237763][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.237763][   T10]      ip6_route_add+0x1c/0x140
[ 7034.237763][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7034.237763][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7034.237763][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.237763][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.237763][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.237763][   T10]      netlink_unicast+0x449/0x710
[ 7034.237763][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.237763][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.237763][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.237763][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.237763][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.237763][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.237763][   T10] 
[ 7034.239775][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.239775][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.239775][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.239775][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.239775][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7034.239775][   T10]      ipv6_add_addr+0x411/0x2000
[ 7034.239775][   T10]      inet6_addr_add+0x30e/0xa40
[ 7034.239775][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.239775][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.239775][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.239775][   T10]      netlink_unicast+0x449/0x710
[ 7034.239775][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.239775][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.239775][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.239775][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.239775][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.239775][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.239775][   T10] 
[ 7034.241801][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.241801][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.241801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.241801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.241801][   T10]      ip6_route_add+0x1c/0x140
[ 7034.241801][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7034.241801][   T10]      addrconf_add_dev+0xe2/0x170
[ 7034.241801][   T10]      inet6_addr_add+0x12f/0xa40
[ 7034.241801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.241801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.241801][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.241801][   T10]      netlink_unicast+0x449/0x710
[ 7034.241801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.241801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.241801][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.241801][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.241801][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.241801][   T10] 
[ 7034.243968][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.243968][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7034.243968][   T10]      ipv6_find_idev+0x102/0x170
[ 7034.243968][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7034.243968][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.243968][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.243968][   T10]      netlink_unicast+0x449/0x710
[ 7034.243968][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.243968][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.243968][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.243968][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.243968][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.243968][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.243968][   T10] 
[ 7034.245728][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7034.245728][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7034.245728][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7034.245728][   T10]      ipv6_find_idev+0x102/0x170
[ 7034.245728][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7034.245728][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.245728][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.245728][   T10]      netlink_unicast+0x449/0x710
[ 7034.245728][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.245728][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.245728][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.245728][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.245728][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.245728][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.245728][   T10] 
[ 7034.247563][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7034.247900][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7034.247900][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.247900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.247900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.247900][   T10]      ip6_route_add+0x1c/0x140
[ 7034.247900][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7034.247900][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7034.247900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.247900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.247900][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.247900][   T10]      netlink_unicast+0x449/0x710
[ 7034.247900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.247900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.247900][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.247900][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.247900][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.247900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.247900][   T10] 
[ 7034.250008][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7034.250008][   T10]      netdev_get_by_index+0x5e/0x80
[ 7034.250008][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7034.250008][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7034.250008][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7034.250008][   T10]      ipv6_add_addr+0x411/0x2000
[ 7034.250008][   T10]      inet6_addr_add+0x30e/0xa40
[ 7034.250008][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7034.250008][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.250008][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.250008][   T10]      netlink_unicast+0x449/0x710
[ 7034.250008][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.250008][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.250008][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.250008][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.250008][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.250008][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.250008][   T10] 
[ 7034.252168][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7034.252168][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7034.252168][   T10]      ipv6_find_idev+0x102/0x170
[ 7034.252168][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7034.252168][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.252168][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.252168][   T10]      netlink_unicast+0x449/0x710
[ 7034.252168][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.252168][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.252168][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.252168][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.252168][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.252168][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.252168][   T10] 
[ 7034.253977][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7034.253977][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7034.253977][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7034.253977][   T10]      ipv6_find_idev+0x102/0x170
[ 7034.253977][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7034.253977][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7034.253977][   T10]      netlink_rcv_skb+0x130/0x360
[ 7034.253977][   T10]      netlink_unicast+0x449/0x710
[ 7034.253977][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7034.253977][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7034.253977][   T10]      ___sys_sendmsg+0xee/0x170
[ 7034.253977][   T10]      __sys_sendmsg+0xcd/0x170
[ 7034.253977][   T10]      do_syscall_64+0xc6/0x1e0
[ 7034.253977][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7034.253977][   T10] 
[ 7044.496704][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7044.497144][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.497144][   T10]      dst_init+0x84/0x4a0
[ 7044.497144][   T10]      dst_alloc+0x97/0x150
[ 7044.497144][   T10]      ip6_dst_alloc+0x23/0x90
[ 7044.497144][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7044.497144][   T10]      ip6_pol_route+0x56f/0x840
[ 7044.497144][   T10]      fib6_rule_lookup+0x456/0x630
[ 7044.497144][   T10]      ip6_route_input+0x59c/0xa50
[ 7044.497144][   T10]      ipv6_rcv+0x397/0x810
[ 7044.497144][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7044.497144][   T10]      process_backlog+0x101/0x620
[ 7044.497144][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7044.497144][   T10]      net_rx_action+0x495/0xbe0
[ 7044.497144][   T10]      __do_softirq+0x1b5/0x7f6
[ 7044.497144][   T10] 
[ 7044.498812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.498812][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7044.498812][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7044.498812][   T10]      fib6_nh_init+0xa22/0x1580
[ 7044.498812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.498812][   T10]      ip6_route_add+0x1c/0x140
[ 7044.498812][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7044.498812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.498812][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.498812][   T10]      netlink_unicast+0x449/0x710
[ 7044.498812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.498812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.498812][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.498812][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.498812][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.498812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.498812][   T10] 
[ 7044.500721][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.500721][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.500721][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.500721][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.500721][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7044.500721][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7044.500721][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7044.500721][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7044.500721][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7044.500721][   T10]      addrconf_dad_begin+0x310/0x670
[ 7044.500721][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7044.500721][   T10]      process_one_work+0x84d/0x18a0
[ 7044.500721][   T10]      worker_thread+0x587/0xd30
[ 7044.500721][   T10]      kthread+0x28a/0x350
[ 7044.500721][   T10]      ret_from_fork+0x31/0x70
[ 7044.500721][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7044.500721][   T10] 
[ 7044.502649][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.502649][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.502649][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.502649][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.502649][   T10]      ip6_route_add+0x1c/0x140
[ 7044.502649][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7044.502649][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7044.502649][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.502649][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.502649][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.502649][   T10]      netlink_unicast+0x449/0x710
[ 7044.502649][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.502649][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.502649][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.502649][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.502649][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.502649][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.502649][   T10] 
[ 7044.504682][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.504682][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.504682][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.504682][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.504682][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7044.504682][   T10]      ipv6_add_addr+0x411/0x2000
[ 7044.504682][   T10]      inet6_addr_add+0x30e/0xa40
[ 7044.504682][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.504682][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.504682][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.504682][   T10]      netlink_unicast+0x449/0x710
[ 7044.504682][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.504682][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.504682][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.504682][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.504682][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.504682][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.504682][   T10] 
[ 7044.506717][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.506717][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.506717][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.506717][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.506717][   T10]      ip6_route_add+0x1c/0x140
[ 7044.506717][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7044.506717][   T10]      addrconf_add_dev+0xe2/0x170
[ 7044.506717][   T10]      inet6_addr_add+0x12f/0xa40
[ 7044.506717][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.506717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.506717][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.506717][   T10]      netlink_unicast+0x449/0x710
[ 7044.506717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.506717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.506717][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.506717][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.506717][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.506717][   T10] 
[ 7044.508735][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.508735][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7044.508735][   T10]      ipv6_find_idev+0x102/0x170
[ 7044.508735][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7044.508735][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.508735][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.508735][   T10]      netlink_unicast+0x449/0x710
[ 7044.508735][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.508735][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.508735][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.508735][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.508735][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.508735][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.508735][   T10] 
[ 7044.510269][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7044.510269][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7044.510269][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7044.510269][   T10]      ipv6_find_idev+0x102/0x170
[ 7044.510269][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7044.510269][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.510269][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.510269][   T10]      netlink_unicast+0x449/0x710
[ 7044.510269][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.510269][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.510269][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.510269][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.510269][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.510269][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.510269][   T10] 
[ 7044.511959][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7044.512201][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.512201][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7044.512201][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7044.512201][   T10]      fib6_nh_init+0xa22/0x1580
[ 7044.512201][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.512201][   T10]      ip6_route_add+0x1c/0x140
[ 7044.512201][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7044.512201][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.512201][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.512201][   T10]      netlink_unicast+0x449/0x710
[ 7044.512201][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.512201][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.512201][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.512201][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.512201][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.512201][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.512201][   T10] 
[ 7044.514100][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.514100][   T10]      dst_init+0x84/0x4a0
[ 7044.514100][   T10]      dst_alloc+0x97/0x150
[ 7044.514100][   T10]      ip6_dst_alloc+0x23/0x90
[ 7044.514100][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7044.514100][   T10]      ip6_pol_route+0x56f/0x840
[ 7044.514100][   T10]      fib6_rule_lookup+0x456/0x630
[ 7044.514100][   T10]      ip6_route_input+0x59c/0xa50
[ 7044.514100][   T10]      ipv6_rcv+0x397/0x810
[ 7044.514100][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7044.514100][   T10]      process_backlog+0x101/0x620
[ 7044.514100][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7044.514100][   T10]      net_rx_action+0x495/0xbe0
[ 7044.514100][   T10]      __do_softirq+0x1b5/0x7f6
[ 7044.514100][   T10] 
[ 7044.515757][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.515757][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.515757][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.515757][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.515757][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7044.515757][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7044.515757][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7044.515757][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7044.515757][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7044.515757][   T10]      addrconf_dad_begin+0x310/0x670
[ 7044.515757][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7044.515757][   T10]      process_one_work+0x84d/0x18a0
[ 7044.515757][   T10]      worker_thread+0x587/0xd30
[ 7044.515757][   T10]      kthread+0x28a/0x350
[ 7044.515757][   T10]      ret_from_fork+0x31/0x70
[ 7044.515757][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7044.515757][   T10] 
[ 7044.517678][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.517678][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.517678][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.517678][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.517678][   T10]      ip6_route_add+0x1c/0x140
[ 7044.517678][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7044.517678][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7044.517678][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.517678][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.517678][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.517678][   T10]      netlink_unicast+0x449/0x710
[ 7044.517678][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.517678][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.517678][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.517678][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.517678][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.517678][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.517678][   T10] 
[ 7044.519677][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.519677][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.519677][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.519677][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.519677][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7044.519677][   T10]      ipv6_add_addr+0x411/0x2000
[ 7044.519677][   T10]      inet6_addr_add+0x30e/0xa40
[ 7044.519677][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.519677][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.519677][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.519677][   T10]      netlink_unicast+0x449/0x710
[ 7044.519677][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.519677][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.519677][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.519677][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.519677][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.519677][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.519677][   T10] 
[ 7044.521667][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.521667][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.521667][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.521667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.521667][   T10]      ip6_route_add+0x1c/0x140
[ 7044.521667][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7044.521667][   T10]      addrconf_add_dev+0xe2/0x170
[ 7044.521667][   T10]      inet6_addr_add+0x12f/0xa40
[ 7044.521667][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.521667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.521667][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.521667][   T10]      netlink_unicast+0x449/0x710
[ 7044.521667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.521667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.521667][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.521667][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.521667][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.521667][   T10] 
[ 7044.523820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.523820][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7044.523820][   T10]      ipv6_find_idev+0x102/0x170
[ 7044.523820][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7044.523820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.523820][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.523820][   T10]      netlink_unicast+0x449/0x710
[ 7044.523820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.523820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.523820][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.523820][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.523820][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.523820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.523820][   T10] 
[ 7044.525596][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7044.525596][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7044.525596][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7044.525596][   T10]      ipv6_find_idev+0x102/0x170
[ 7044.525596][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7044.525596][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.525596][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.525596][   T10]      netlink_unicast+0x449/0x710
[ 7044.525596][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.525596][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.525596][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.525596][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.525596][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.525596][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.525596][   T10] 
[ 7044.527455][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7044.527780][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7044.527780][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.527780][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.527780][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.527780][   T10]      ip6_route_add+0x1c/0x140
[ 7044.527780][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7044.527780][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7044.527780][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.527780][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.527780][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.527780][   T10]      netlink_unicast+0x449/0x710
[ 7044.527780][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.527780][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.527780][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.527780][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.527780][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.527780][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.527780][   T10] 
[ 7044.529820][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7044.529820][   T10]      netdev_get_by_index+0x5e/0x80
[ 7044.529820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7044.529820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7044.529820][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7044.529820][   T10]      ipv6_add_addr+0x411/0x2000
[ 7044.529820][   T10]      inet6_addr_add+0x30e/0xa40
[ 7044.529820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7044.529820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.529820][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.529820][   T10]      netlink_unicast+0x449/0x710
[ 7044.529820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.529820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.529820][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.529820][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.529820][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.529820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.529820][   T10] 
[ 7044.532076][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7044.532076][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7044.532076][   T10]      ipv6_find_idev+0x102/0x170
[ 7044.532076][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7044.532076][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.532076][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.532076][   T10]      netlink_unicast+0x449/0x710
[ 7044.532076][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.532076][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.532076][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.532076][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.532076][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.532076][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.532076][   T10] 
[ 7044.533883][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7044.533883][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7044.533883][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7044.533883][   T10]      ipv6_find_idev+0x102/0x170
[ 7044.533883][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7044.533883][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7044.533883][   T10]      netlink_rcv_skb+0x130/0x360
[ 7044.533883][   T10]      netlink_unicast+0x449/0x710
[ 7044.533883][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7044.533883][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7044.533883][   T10]      ___sys_sendmsg+0xee/0x170
[ 7044.533883][   T10]      __sys_sendmsg+0xcd/0x170
[ 7044.533883][   T10]      do_syscall_64+0xc6/0x1e0
[ 7044.533883][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7044.533883][   T10] 
[ 7054.776766][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7054.777684][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.777684][   T10]      dst_init+0x84/0x4a0
[ 7054.777684][   T10]      dst_alloc+0x97/0x150
[ 7054.777684][   T10]      ip6_dst_alloc+0x23/0x90
[ 7054.777684][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7054.777684][   T10]      ip6_pol_route+0x56f/0x840
[ 7054.777684][   T10]      fib6_rule_lookup+0x456/0x630
[ 7054.777684][   T10]      ip6_route_input+0x59c/0xa50
[ 7054.777684][   T10]      ipv6_rcv+0x397/0x810
[ 7054.777684][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7054.777684][   T10]      process_backlog+0x101/0x620
[ 7054.777684][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7054.777684][   T10]      net_rx_action+0x495/0xbe0
[ 7054.777684][   T10]      __do_softirq+0x1b5/0x7f6
[ 7054.777684][   T10] 
[ 7054.779354][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.779354][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7054.779354][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7054.779354][   T10]      fib6_nh_init+0xa22/0x1580
[ 7054.779354][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.779354][   T10]      ip6_route_add+0x1c/0x140
[ 7054.779354][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7054.779354][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.779354][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.779354][   T10]      netlink_unicast+0x449/0x710
[ 7054.779354][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.779354][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.779354][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.779354][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.779354][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.779354][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.779354][   T10] 
[ 7054.781243][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.781243][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.781243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.781243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.781243][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7054.781243][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7054.781243][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7054.781243][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7054.781243][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7054.781243][   T10]      addrconf_dad_begin+0x310/0x670
[ 7054.781243][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7054.781243][   T10]      process_one_work+0x84d/0x18a0
[ 7054.781243][   T10]      worker_thread+0x587/0xd30
[ 7054.781243][   T10]      kthread+0x28a/0x350
[ 7054.781243][   T10]      ret_from_fork+0x31/0x70
[ 7054.781243][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7054.781243][   T10] 
[ 7054.783165][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.783165][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.783165][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.783165][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.783165][   T10]      ip6_route_add+0x1c/0x140
[ 7054.783165][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7054.783165][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7054.783165][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.783165][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.783165][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.783165][   T10]      netlink_unicast+0x449/0x710
[ 7054.783165][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.783165][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.783165][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.783165][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.783165][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.783165][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.783165][   T10] 
[ 7054.785128][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.785128][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.785128][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.785128][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.785128][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7054.785128][   T10]      ipv6_add_addr+0x411/0x2000
[ 7054.785128][   T10]      inet6_addr_add+0x30e/0xa40
[ 7054.785128][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.785128][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.785128][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.785128][   T10]      netlink_unicast+0x449/0x710
[ 7054.785128][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.785128][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.785128][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.785128][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.785128][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.785128][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.785128][   T10] 
[ 7054.787108][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.787108][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.787108][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.787108][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.787108][   T10]      ip6_route_add+0x1c/0x140
[ 7054.787108][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7054.787108][   T10]      addrconf_add_dev+0xe2/0x170
[ 7054.787108][   T10]      inet6_addr_add+0x12f/0xa40
[ 7054.787108][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.787108][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.787108][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.787108][   T10]      netlink_unicast+0x449/0x710
[ 7054.787108][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.787108][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.787108][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.787108][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.787108][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.787108][   T10] 
[ 7054.789059][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.789059][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7054.789059][   T10]      ipv6_find_idev+0x102/0x170
[ 7054.789059][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7054.789059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.789059][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.789059][   T10]      netlink_unicast+0x449/0x710
[ 7054.789059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.789059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.789059][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.789059][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.789059][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.789059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.789059][   T10] 
[ 7054.790605][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7054.790605][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7054.790605][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7054.790605][   T10]      ipv6_find_idev+0x102/0x170
[ 7054.790605][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7054.790605][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.790605][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.790605][   T10]      netlink_unicast+0x449/0x710
[ 7054.790605][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.790605][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.790605][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.790605][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.790605][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.790605][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.790605][   T10] 
[ 7054.792270][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7054.792538][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.792538][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7054.792538][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7054.792538][   T10]      fib6_nh_init+0xa22/0x1580
[ 7054.792538][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.792538][   T10]      ip6_route_add+0x1c/0x140
[ 7054.792538][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7054.792538][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.792538][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.792538][   T10]      netlink_unicast+0x449/0x710
[ 7054.792538][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.792538][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.792538][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.792538][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.792538][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.792538][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.792538][   T10] 
[ 7054.794428][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.794428][   T10]      dst_init+0x84/0x4a0
[ 7054.794428][   T10]      dst_alloc+0x97/0x150
[ 7054.794428][   T10]      ip6_dst_alloc+0x23/0x90
[ 7054.794428][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7054.794428][   T10]      ip6_pol_route+0x56f/0x840
[ 7054.794428][   T10]      fib6_rule_lookup+0x456/0x630
[ 7054.794428][   T10]      ip6_route_input+0x59c/0xa50
[ 7054.794428][   T10]      ipv6_rcv+0x397/0x810
[ 7054.794428][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7054.794428][   T10]      process_backlog+0x101/0x620
[ 7054.794428][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7054.794428][   T10]      net_rx_action+0x495/0xbe0
[ 7054.794428][   T10]      __do_softirq+0x1b5/0x7f6
[ 7054.794428][   T10] 
[ 7054.796063][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.796063][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.796063][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.796063][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.796063][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7054.796063][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7054.796063][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7054.796063][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7054.796063][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7054.796063][   T10]      addrconf_dad_begin+0x310/0x670
[ 7054.796063][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7054.796063][   T10]      process_one_work+0x84d/0x18a0
[ 7054.796063][   T10]      worker_thread+0x587/0xd30
[ 7054.796063][   T10]      kthread+0x28a/0x350
[ 7054.796063][   T10]      ret_from_fork+0x31/0x70
[ 7054.796063][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7054.796063][   T10] 
[ 7054.797972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.797972][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.797972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.797972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.797972][   T10]      ip6_route_add+0x1c/0x140
[ 7054.797972][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7054.797972][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7054.797972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.797972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.797972][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.797972][   T10]      netlink_unicast+0x449/0x710
[ 7054.797972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.797972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.797972][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.797972][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.797972][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.797972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.797972][   T10] 
[ 7054.799992][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.799992][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.799992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.799992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.799992][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7054.799992][   T10]      ipv6_add_addr+0x411/0x2000
[ 7054.799992][   T10]      inet6_addr_add+0x30e/0xa40
[ 7054.799992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.799992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.799992][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.799992][   T10]      netlink_unicast+0x449/0x710
[ 7054.799992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.799992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.799992][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.799992][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.799992][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.799992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.799992][   T10] 
[ 7054.801934][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.801934][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.801934][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.801934][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.801934][   T10]      ip6_route_add+0x1c/0x140
[ 7054.801934][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7054.801934][   T10]      addrconf_add_dev+0xe2/0x170
[ 7054.801934][   T10]      inet6_addr_add+0x12f/0xa40
[ 7054.801934][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.801934][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.801934][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.801934][   T10]      netlink_unicast+0x449/0x710
[ 7054.801934][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.801934][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.801934][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.801934][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.801934][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.801934][   T10] 
[ 7054.804064][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.804064][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7054.804064][   T10]      ipv6_find_idev+0x102/0x170
[ 7054.804064][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7054.804064][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.804064][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.804064][   T10]      netlink_unicast+0x449/0x710
[ 7054.804064][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.804064][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.804064][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.804064][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.804064][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.804064][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.804064][   T10] 
[ 7054.805821][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7054.805821][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7054.805821][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7054.805821][   T10]      ipv6_find_idev+0x102/0x170
[ 7054.805821][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7054.805821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.805821][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.805821][   T10]      netlink_unicast+0x449/0x710
[ 7054.805821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.805821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.805821][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.805821][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.805821][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.805821][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.805821][   T10] 
[ 7054.807637][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7054.807969][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7054.807969][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.807969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.807969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.807969][   T10]      ip6_route_add+0x1c/0x140
[ 7054.807969][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7054.807969][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7054.807969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.807969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.807969][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.807969][   T10]      netlink_unicast+0x449/0x710
[ 7054.807969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.807969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.807969][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.807969][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.807969][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.807969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.807969][   T10] 
[ 7054.810169][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7054.810169][   T10]      netdev_get_by_index+0x5e/0x80
[ 7054.810169][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7054.810169][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7054.810169][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7054.810169][   T10]      ipv6_add_addr+0x411/0x2000
[ 7054.810169][   T10]      inet6_addr_add+0x30e/0xa40
[ 7054.810169][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7054.810169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.810169][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.810169][   T10]      netlink_unicast+0x449/0x710
[ 7054.810169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.810169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.810169][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.810169][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.810169][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.810169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.810169][   T10] 
[ 7054.812896][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7054.812896][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7054.812896][   T10]      ipv6_find_idev+0x102/0x170
[ 7054.812896][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7054.812896][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.812896][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.812896][   T10]      netlink_unicast+0x449/0x710
[ 7054.812896][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.812896][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.812896][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.812896][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.812896][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.812896][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.812896][   T10] 
[ 7054.814694][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7054.814694][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7054.814694][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7054.814694][   T10]      ipv6_find_idev+0x102/0x170
[ 7054.814694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7054.814694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7054.814694][   T10]      netlink_rcv_skb+0x130/0x360
[ 7054.814694][   T10]      netlink_unicast+0x449/0x710
[ 7054.814694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7054.814694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7054.814694][   T10]      ___sys_sendmsg+0xee/0x170
[ 7054.814694][   T10]      __sys_sendmsg+0xcd/0x170
[ 7054.814694][   T10]      do_syscall_64+0xc6/0x1e0
[ 7054.814694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7054.814694][   T10] 
[ 7065.056870][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7065.057435][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.057435][   T10]      dst_init+0x84/0x4a0
[ 7065.057435][   T10]      dst_alloc+0x97/0x150
[ 7065.057435][   T10]      ip6_dst_alloc+0x23/0x90
[ 7065.057435][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7065.057435][   T10]      ip6_pol_route+0x56f/0x840
[ 7065.057435][   T10]      fib6_rule_lookup+0x456/0x630
[ 7065.057435][   T10]      ip6_route_input+0x59c/0xa50
[ 7065.057435][   T10]      ipv6_rcv+0x397/0x810
[ 7065.057435][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7065.057435][   T10]      process_backlog+0x101/0x620
[ 7065.057435][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7065.057435][   T10]      net_rx_action+0x495/0xbe0
[ 7065.057435][   T10]      __do_softirq+0x1b5/0x7f6
[ 7065.057435][   T10] 
[ 7065.059109][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.059109][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7065.059109][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7065.059109][   T10]      fib6_nh_init+0xa22/0x1580
[ 7065.059109][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.059109][   T10]      ip6_route_add+0x1c/0x140
[ 7065.059109][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7065.059109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.059109][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.059109][   T10]      netlink_unicast+0x449/0x710
[ 7065.059109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.059109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.059109][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.059109][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.059109][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.059109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.059109][   T10] 
[ 7065.060964][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.060964][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.060964][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.060964][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.060964][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7065.060964][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7065.060964][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7065.060964][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7065.060964][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7065.060964][   T10]      addrconf_dad_begin+0x310/0x670
[ 7065.060964][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7065.060964][   T10]      process_one_work+0x84d/0x18a0
[ 7065.060964][   T10]      worker_thread+0x587/0xd30
[ 7065.060964][   T10]      kthread+0x28a/0x350
[ 7065.060964][   T10]      ret_from_fork+0x31/0x70
[ 7065.060964][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7065.060964][   T10] 
[ 7065.062868][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.062868][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.062868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.062868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.062868][   T10]      ip6_route_add+0x1c/0x140
[ 7065.062868][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7065.062868][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7065.062868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.062868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.062868][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.062868][   T10]      netlink_unicast+0x449/0x710
[ 7065.062868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.062868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.062868][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.062868][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.062868][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.062868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.062868][   T10] 
[ 7065.064859][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.064859][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.064859][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.064859][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.064859][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7065.064859][   T10]      ipv6_add_addr+0x411/0x2000
[ 7065.064859][   T10]      inet6_addr_add+0x30e/0xa40
[ 7065.064859][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.064859][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.064859][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.064859][   T10]      netlink_unicast+0x449/0x710
[ 7065.064859][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.064859][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.064859][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.064859][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.064859][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.064859][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.064859][   T10] 
[ 7065.066812][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.066812][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.066812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.066812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.066812][   T10]      ip6_route_add+0x1c/0x140
[ 7065.066812][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7065.066812][   T10]      addrconf_add_dev+0xe2/0x170
[ 7065.066812][   T10]      inet6_addr_add+0x12f/0xa40
[ 7065.066812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.066812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.066812][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.066812][   T10]      netlink_unicast+0x449/0x710
[ 7065.066812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.066812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.066812][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.066812][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.066812][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.066812][   T10] 
[ 7065.068786][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.068786][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7065.068786][   T10]      ipv6_find_idev+0x102/0x170
[ 7065.068786][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7065.068786][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.068786][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.068786][   T10]      netlink_unicast+0x449/0x710
[ 7065.068786][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.068786][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.068786][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.068786][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.068786][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.068786][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.068786][   T10] 
[ 7065.070291][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7065.070291][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7065.070291][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7065.070291][   T10]      ipv6_find_idev+0x102/0x170
[ 7065.070291][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7065.070291][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.070291][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.070291][   T10]      netlink_unicast+0x449/0x710
[ 7065.070291][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.070291][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.070291][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.070291][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.070291][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.070291][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.070291][   T10] 
[ 7065.071955][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7065.072223][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.072223][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7065.072223][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7065.072223][   T10]      fib6_nh_init+0xa22/0x1580
[ 7065.072223][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.072223][   T10]      ip6_route_add+0x1c/0x140
[ 7065.072223][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7065.072223][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.072223][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.072223][   T10]      netlink_unicast+0x449/0x710
[ 7065.072223][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.072223][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.072223][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.072223][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.072223][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.072223][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.072223][   T10] 
[ 7065.074139][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.074139][   T10]      dst_init+0x84/0x4a0
[ 7065.074139][   T10]      dst_alloc+0x97/0x150
[ 7065.074139][   T10]      ip6_dst_alloc+0x23/0x90
[ 7065.074139][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7065.074139][   T10]      ip6_pol_route+0x56f/0x840
[ 7065.074139][   T10]      fib6_rule_lookup+0x456/0x630
[ 7065.074139][   T10]      ip6_route_input+0x59c/0xa50
[ 7065.074139][   T10]      ipv6_rcv+0x397/0x810
[ 7065.074139][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7065.074139][   T10]      process_backlog+0x101/0x620
[ 7065.074139][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7065.074139][   T10]      net_rx_action+0x495/0xbe0
[ 7065.074139][   T10]      __do_softirq+0x1b5/0x7f6
[ 7065.074139][   T10] 
[ 7065.075758][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.075758][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.075758][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.075758][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.075758][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7065.075758][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7065.075758][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7065.075758][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7065.075758][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7065.075758][   T10]      addrconf_dad_begin+0x310/0x670
[ 7065.075758][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7065.075758][   T10]      process_one_work+0x84d/0x18a0
[ 7065.075758][   T10]      worker_thread+0x587/0xd30
[ 7065.075758][   T10]      kthread+0x28a/0x350
[ 7065.075758][   T10]      ret_from_fork+0x31/0x70
[ 7065.075758][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7065.075758][   T10] 
[ 7065.077672][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.077672][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.077672][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.077672][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.077672][   T10]      ip6_route_add+0x1c/0x140
[ 7065.077672][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7065.077672][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7065.077672][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.077672][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.077672][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.077672][   T10]      netlink_unicast+0x449/0x710
[ 7065.077672][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.077672][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.077672][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.077672][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.077672][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.077672][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.077672][   T10] 
[ 7065.079696][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.079696][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.079696][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.079696][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.079696][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7065.079696][   T10]      ipv6_add_addr+0x411/0x2000
[ 7065.079696][   T10]      inet6_addr_add+0x30e/0xa40
[ 7065.079696][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.079696][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.079696][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.079696][   T10]      netlink_unicast+0x449/0x710
[ 7065.079696][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.079696][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.079696][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.079696][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.079696][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.079696][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.079696][   T10] 
[ 7065.081667][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.081667][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.081667][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.081667][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.081667][   T10]      ip6_route_add+0x1c/0x140
[ 7065.081667][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7065.081667][   T10]      addrconf_add_dev+0xe2/0x170
[ 7065.081667][   T10]      inet6_addr_add+0x12f/0xa40
[ 7065.081667][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.081667][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.081667][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.081667][   T10]      netlink_unicast+0x449/0x710
[ 7065.081667][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.081667][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.081667][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.081667][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.081667][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.081667][   T10] 
[ 7065.083832][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.083832][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7065.083832][   T10]      ipv6_find_idev+0x102/0x170
[ 7065.083832][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7065.083832][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.083832][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.083832][   T10]      netlink_unicast+0x449/0x710
[ 7065.083832][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.083832][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.083832][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.083832][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.083832][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.083832][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.083832][   T10] 
[ 7065.085591][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7065.085591][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7065.085591][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7065.085591][   T10]      ipv6_find_idev+0x102/0x170
[ 7065.085591][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7065.085591][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.085591][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.085591][   T10]      netlink_unicast+0x449/0x710
[ 7065.085591][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.085591][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.085591][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.085591][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.085591][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.085591][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.085591][   T10] 
[ 7065.087471][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7065.087800][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7065.087800][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.087800][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.087800][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.087800][   T10]      ip6_route_add+0x1c/0x140
[ 7065.087800][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7065.087800][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7065.087800][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.087800][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.087800][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.087800][   T10]      netlink_unicast+0x449/0x710
[ 7065.087800][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.087800][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.087800][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.087800][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.087800][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.087800][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.087800][   T10] 
[ 7065.089970][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7065.089970][   T10]      netdev_get_by_index+0x5e/0x80
[ 7065.089970][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7065.089970][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7065.089970][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7065.089970][   T10]      ipv6_add_addr+0x411/0x2000
[ 7065.089970][   T10]      inet6_addr_add+0x30e/0xa40
[ 7065.089970][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7065.089970][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.089970][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.089970][   T10]      netlink_unicast+0x449/0x710
[ 7065.089970][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.089970][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.089970][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.089970][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.089970][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.089970][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.089970][   T10] 
[ 7065.092092][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7065.092092][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7065.092092][   T10]      ipv6_find_idev+0x102/0x170
[ 7065.092092][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7065.092092][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.092092][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.092092][   T10]      netlink_unicast+0x449/0x710
[ 7065.092092][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.092092][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.092092][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.092092][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.092092][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.092092][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.092092][   T10] 
[ 7065.093827][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7065.093827][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7065.093827][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7065.093827][   T10]      ipv6_find_idev+0x102/0x170
[ 7065.093827][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7065.093827][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7065.093827][   T10]      netlink_rcv_skb+0x130/0x360
[ 7065.093827][   T10]      netlink_unicast+0x449/0x710
[ 7065.093827][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7065.093827][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7065.093827][   T10]      ___sys_sendmsg+0xee/0x170
[ 7065.093827][   T10]      __sys_sendmsg+0xcd/0x170
[ 7065.093827][   T10]      do_syscall_64+0xc6/0x1e0
[ 7065.093827][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7065.093827][   T10] 
[ 7075.336776][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7075.337694][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.337694][   T10]      dst_init+0x84/0x4a0
[ 7075.337694][   T10]      dst_alloc+0x97/0x150
[ 7075.337694][   T10]      ip6_dst_alloc+0x23/0x90
[ 7075.337694][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7075.337694][   T10]      ip6_pol_route+0x56f/0x840
[ 7075.337694][   T10]      fib6_rule_lookup+0x456/0x630
[ 7075.337694][   T10]      ip6_route_input+0x59c/0xa50
[ 7075.337694][   T10]      ipv6_rcv+0x397/0x810
[ 7075.337694][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7075.337694][   T10]      process_backlog+0x101/0x620
[ 7075.337694][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7075.337694][   T10]      net_rx_action+0x495/0xbe0
[ 7075.337694][   T10]      __do_softirq+0x1b5/0x7f6
[ 7075.337694][   T10] 
[ 7075.339319][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.339319][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7075.339319][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7075.339319][   T10]      fib6_nh_init+0xa22/0x1580
[ 7075.339319][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.339319][   T10]      ip6_route_add+0x1c/0x140
[ 7075.339319][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7075.339319][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.339319][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.339319][   T10]      netlink_unicast+0x449/0x710
[ 7075.339319][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.339319][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.339319][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.339319][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.339319][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.339319][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.339319][   T10] 
[ 7075.341179][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.341179][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.341179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.341179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.341179][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7075.341179][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7075.341179][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7075.341179][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7075.341179][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7075.341179][   T10]      addrconf_dad_begin+0x310/0x670
[ 7075.341179][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7075.341179][   T10]      process_one_work+0x84d/0x18a0
[ 7075.341179][   T10]      worker_thread+0x587/0xd30
[ 7075.341179][   T10]      kthread+0x28a/0x350
[ 7075.341179][   T10]      ret_from_fork+0x31/0x70
[ 7075.341179][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7075.341179][   T10] 
[ 7075.343042][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.343042][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.343042][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.343042][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.343042][   T10]      ip6_route_add+0x1c/0x140
[ 7075.343042][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7075.343042][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7075.343042][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.343042][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.343042][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.343042][   T10]      netlink_unicast+0x449/0x710
[ 7075.343042][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.343042][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.343042][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.343042][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.343042][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.343042][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.343042][   T10] 
[ 7075.345051][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.345051][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.345051][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.345051][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.345051][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7075.345051][   T10]      ipv6_add_addr+0x411/0x2000
[ 7075.345051][   T10]      inet6_addr_add+0x30e/0xa40
[ 7075.345051][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.345051][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.345051][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.345051][   T10]      netlink_unicast+0x449/0x710
[ 7075.345051][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.345051][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.345051][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.345051][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.345051][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.345051][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.345051][   T10] 
[ 7075.347002][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.347002][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.347002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.347002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.347002][   T10]      ip6_route_add+0x1c/0x140
[ 7075.347002][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7075.347002][   T10]      addrconf_add_dev+0xe2/0x170
[ 7075.347002][   T10]      inet6_addr_add+0x12f/0xa40
[ 7075.347002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.347002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.347002][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.347002][   T10]      netlink_unicast+0x449/0x710
[ 7075.347002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.347002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.347002][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.347002][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.347002][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.347002][   T10] 
[ 7075.348922][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.348922][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7075.348922][   T10]      ipv6_find_idev+0x102/0x170
[ 7075.348922][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7075.348922][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.348922][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.348922][   T10]      netlink_unicast+0x449/0x710
[ 7075.348922][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.348922][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.348922][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.348922][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.348922][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.348922][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.348922][   T10] 
[ 7075.350471][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7075.350471][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7075.350471][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7075.350471][   T10]      ipv6_find_idev+0x102/0x170
[ 7075.350471][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7075.350471][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.350471][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.350471][   T10]      netlink_unicast+0x449/0x710
[ 7075.350471][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.350471][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.350471][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.350471][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.350471][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.350471][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.350471][   T10] 
[ 7075.352120][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7075.352380][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.352380][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7075.352380][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7075.352380][   T10]      fib6_nh_init+0xa22/0x1580
[ 7075.352380][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.352380][   T10]      ip6_route_add+0x1c/0x140
[ 7075.352380][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7075.352380][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.352380][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.352380][   T10]      netlink_unicast+0x449/0x710
[ 7075.352380][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.352380][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.352380][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.352380][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.352380][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.352380][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.352380][   T10] 
[ 7075.354262][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.354262][   T10]      dst_init+0x84/0x4a0
[ 7075.354262][   T10]      dst_alloc+0x97/0x150
[ 7075.354262][   T10]      ip6_dst_alloc+0x23/0x90
[ 7075.354262][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7075.354262][   T10]      ip6_pol_route+0x56f/0x840
[ 7075.354262][   T10]      fib6_rule_lookup+0x456/0x630
[ 7075.354262][   T10]      ip6_route_input+0x59c/0xa50
[ 7075.354262][   T10]      ipv6_rcv+0x397/0x810
[ 7075.354262][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7075.354262][   T10]      process_backlog+0x101/0x620
[ 7075.354262][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7075.354262][   T10]      net_rx_action+0x495/0xbe0
[ 7075.354262][   T10]      __do_softirq+0x1b5/0x7f6
[ 7075.354262][   T10] 
[ 7075.355915][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.355915][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.355915][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.355915][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.355915][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7075.355915][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7075.355915][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7075.355915][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7075.355915][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7075.355915][   T10]      addrconf_dad_begin+0x310/0x670
[ 7075.355915][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7075.355915][   T10]      process_one_work+0x84d/0x18a0
[ 7075.355915][   T10]      worker_thread+0x587/0xd30
[ 7075.355915][   T10]      kthread+0x28a/0x350
[ 7075.355915][   T10]      ret_from_fork+0x31/0x70
[ 7075.355915][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7075.355915][   T10] 
[ 7075.357812][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.357812][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.357812][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.357812][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.357812][   T10]      ip6_route_add+0x1c/0x140
[ 7075.357812][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7075.357812][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7075.357812][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.357812][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.357812][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.357812][   T10]      netlink_unicast+0x449/0x710
[ 7075.357812][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.357812][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.357812][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.357812][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.357812][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.357812][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.357812][   T10] 
[ 7075.359755][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.359755][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.359755][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.359755][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.359755][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7075.359755][   T10]      ipv6_add_addr+0x411/0x2000
[ 7075.359755][   T10]      inet6_addr_add+0x30e/0xa40
[ 7075.359755][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.359755][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.359755][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.359755][   T10]      netlink_unicast+0x449/0x710
[ 7075.359755][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.359755][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.359755][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.359755][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.359755][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.359755][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.359755][   T10] 
[ 7075.361756][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.361756][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.361756][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.361756][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.361756][   T10]      ip6_route_add+0x1c/0x140
[ 7075.361756][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7075.361756][   T10]      addrconf_add_dev+0xe2/0x170
[ 7075.361756][   T10]      inet6_addr_add+0x12f/0xa40
[ 7075.361756][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.361756][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.361756][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.361756][   T10]      netlink_unicast+0x449/0x710
[ 7075.361756][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.361756][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.361756][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.361756][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.361756][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.361756][   T10] 
[ 7075.363942][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.363942][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7075.363942][   T10]      ipv6_find_idev+0x102/0x170
[ 7075.363942][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7075.363942][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.363942][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.363942][   T10]      netlink_unicast+0x449/0x710
[ 7075.363942][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.363942][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.363942][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.363942][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.363942][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.363942][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.363942][   T10] 
[ 7075.365694][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7075.365694][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7075.365694][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7075.365694][   T10]      ipv6_find_idev+0x102/0x170
[ 7075.365694][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7075.365694][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.365694][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.365694][   T10]      netlink_unicast+0x449/0x710
[ 7075.365694][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.365694][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.365694][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.365694][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.365694][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.365694][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.365694][   T10] 
[ 7075.367567][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7075.367886][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7075.367886][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.367886][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.367886][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.367886][   T10]      ip6_route_add+0x1c/0x140
[ 7075.367886][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7075.367886][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7075.367886][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.367886][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.367886][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.367886][   T10]      netlink_unicast+0x449/0x710
[ 7075.367886][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.367886][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.367886][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.367886][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.367886][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.367886][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.367886][   T10] 
[ 7075.369982][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7075.369982][   T10]      netdev_get_by_index+0x5e/0x80
[ 7075.369982][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7075.369982][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7075.369982][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7075.369982][   T10]      ipv6_add_addr+0x411/0x2000
[ 7075.369982][   T10]      inet6_addr_add+0x30e/0xa40
[ 7075.369982][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7075.369982][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.369982][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.369982][   T10]      netlink_unicast+0x449/0x710
[ 7075.369982][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.369982][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.369982][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.369982][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.369982][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.369982][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.369982][   T10] 
[ 7075.372167][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7075.372167][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7075.372167][   T10]      ipv6_find_idev+0x102/0x170
[ 7075.372167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7075.372167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.372167][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.372167][   T10]      netlink_unicast+0x449/0x710
[ 7075.372167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.372167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.372167][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.372167][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.372167][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.372167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.372167][   T10] 
[ 7075.373966][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7075.373966][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7075.373966][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7075.373966][   T10]      ipv6_find_idev+0x102/0x170
[ 7075.373966][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7075.373966][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7075.373966][   T10]      netlink_rcv_skb+0x130/0x360
[ 7075.373966][   T10]      netlink_unicast+0x449/0x710
[ 7075.373966][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7075.373966][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7075.373966][   T10]      ___sys_sendmsg+0xee/0x170
[ 7075.373966][   T10]      __sys_sendmsg+0xcd/0x170
[ 7075.373966][   T10]      do_syscall_64+0xc6/0x1e0
[ 7075.373966][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7075.373966][   T10] 
[ 7085.616692][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7085.617108][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.617108][   T10]      dst_init+0x84/0x4a0
[ 7085.617108][   T10]      dst_alloc+0x97/0x150
[ 7085.617108][   T10]      ip6_dst_alloc+0x23/0x90
[ 7085.617108][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7085.617108][   T10]      ip6_pol_route+0x56f/0x840
[ 7085.617108][   T10]      fib6_rule_lookup+0x456/0x630
[ 7085.617108][   T10]      ip6_route_input+0x59c/0xa50
[ 7085.617108][   T10]      ipv6_rcv+0x397/0x810
[ 7085.617108][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7085.617108][   T10]      process_backlog+0x101/0x620
[ 7085.617108][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7085.617108][   T10]      net_rx_action+0x495/0xbe0
[ 7085.617108][   T10]      __do_softirq+0x1b5/0x7f6
[ 7085.617108][   T10] 
[ 7085.618743][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.618743][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7085.618743][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7085.618743][   T10]      fib6_nh_init+0xa22/0x1580
[ 7085.618743][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.618743][   T10]      ip6_route_add+0x1c/0x140
[ 7085.618743][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7085.618743][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.618743][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.618743][   T10]      netlink_unicast+0x449/0x710
[ 7085.618743][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.618743][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.618743][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.618743][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.618743][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.618743][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.618743][   T10] 
[ 7085.620618][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.620618][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.620618][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.620618][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.620618][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7085.620618][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7085.620618][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7085.620618][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7085.620618][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7085.620618][   T10]      addrconf_dad_begin+0x310/0x670
[ 7085.620618][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7085.620618][   T10]      process_one_work+0x84d/0x18a0
[ 7085.620618][   T10]      worker_thread+0x587/0xd30
[ 7085.620618][   T10]      kthread+0x28a/0x350
[ 7085.620618][   T10]      ret_from_fork+0x31/0x70
[ 7085.620618][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7085.620618][   T10] 
[ 7085.622483][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.622483][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.622483][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.622483][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.622483][   T10]      ip6_route_add+0x1c/0x140
[ 7085.622483][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7085.622483][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7085.622483][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.622483][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.622483][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.622483][   T10]      netlink_unicast+0x449/0x710
[ 7085.622483][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.622483][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.622483][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.622483][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.622483][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.622483][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.622483][   T10] 
[ 7085.624492][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.624492][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.624492][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.624492][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.624492][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7085.624492][   T10]      ipv6_add_addr+0x411/0x2000
[ 7085.624492][   T10]      inet6_addr_add+0x30e/0xa40
[ 7085.624492][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.624492][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.624492][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.624492][   T10]      netlink_unicast+0x449/0x710
[ 7085.624492][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.624492][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.624492][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.624492][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.624492][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.624492][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.624492][   T10] 
[ 7085.626496][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.626496][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.626496][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.626496][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.626496][   T10]      ip6_route_add+0x1c/0x140
[ 7085.626496][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7085.626496][   T10]      addrconf_add_dev+0xe2/0x170
[ 7085.626496][   T10]      inet6_addr_add+0x12f/0xa40
[ 7085.626496][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.626496][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.626496][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.626496][   T10]      netlink_unicast+0x449/0x710
[ 7085.626496][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.626496][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.626496][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.626496][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.626496][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.626496][   T10] 
[ 7085.628999][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.628999][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7085.628999][   T10]      ipv6_find_idev+0x102/0x170
[ 7085.628999][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7085.628999][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.628999][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.628999][   T10]      netlink_unicast+0x449/0x710
[ 7085.628999][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.628999][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.628999][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.628999][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.628999][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.628999][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.628999][   T10] 
[ 7085.630529][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7085.630529][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7085.630529][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7085.630529][   T10]      ipv6_find_idev+0x102/0x170
[ 7085.630529][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7085.630529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.630529][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.630529][   T10]      netlink_unicast+0x449/0x710
[ 7085.630529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.630529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.630529][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.630529][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.630529][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.630529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.630529][   T10] 
[ 7085.632177][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7085.632433][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.632433][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7085.632433][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7085.632433][   T10]      fib6_nh_init+0xa22/0x1580
[ 7085.632433][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.632433][   T10]      ip6_route_add+0x1c/0x140
[ 7085.632433][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7085.632433][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.632433][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.632433][   T10]      netlink_unicast+0x449/0x710
[ 7085.632433][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.632433][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.632433][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.632433][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.632433][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.632433][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.632433][   T10] 
[ 7085.634326][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.634326][   T10]      dst_init+0x84/0x4a0
[ 7085.634326][   T10]      dst_alloc+0x97/0x150
[ 7085.634326][   T10]      ip6_dst_alloc+0x23/0x90
[ 7085.634326][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7085.634326][   T10]      ip6_pol_route+0x56f/0x840
[ 7085.634326][   T10]      fib6_rule_lookup+0x456/0x630
[ 7085.634326][   T10]      ip6_route_input+0x59c/0xa50
[ 7085.634326][   T10]      ipv6_rcv+0x397/0x810
[ 7085.634326][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7085.634326][   T10]      process_backlog+0x101/0x620
[ 7085.634326][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7085.634326][   T10]      net_rx_action+0x495/0xbe0
[ 7085.634326][   T10]      __do_softirq+0x1b5/0x7f6
[ 7085.634326][   T10] 
[ 7085.635927][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.635927][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.635927][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.635927][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.635927][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7085.635927][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7085.635927][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7085.635927][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7085.635927][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7085.635927][   T10]      addrconf_dad_begin+0x310/0x670
[ 7085.635927][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7085.635927][   T10]      process_one_work+0x84d/0x18a0
[ 7085.635927][   T10]      worker_thread+0x587/0xd30
[ 7085.635927][   T10]      kthread+0x28a/0x350
[ 7085.635927][   T10]      ret_from_fork+0x31/0x70
[ 7085.635927][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7085.635927][   T10] 
[ 7085.637887][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.637887][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.637887][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.637887][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.637887][   T10]      ip6_route_add+0x1c/0x140
[ 7085.637887][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7085.637887][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7085.637887][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.637887][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.637887][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.637887][   T10]      netlink_unicast+0x449/0x710
[ 7085.637887][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.637887][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.637887][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.637887][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.637887][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.637887][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.637887][   T10] 
[ 7085.639866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.639866][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.639866][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.639866][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.639866][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7085.639866][   T10]      ipv6_add_addr+0x411/0x2000
[ 7085.639866][   T10]      inet6_addr_add+0x30e/0xa40
[ 7085.639866][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.639866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.639866][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.639866][   T10]      netlink_unicast+0x449/0x710
[ 7085.639866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.639866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.639866][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.639866][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.639866][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.639866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.639866][   T10] 
[ 7085.641854][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.641854][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.641854][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.641854][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.641854][   T10]      ip6_route_add+0x1c/0x140
[ 7085.641854][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7085.641854][   T10]      addrconf_add_dev+0xe2/0x170
[ 7085.641854][   T10]      inet6_addr_add+0x12f/0xa40
[ 7085.641854][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.641854][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.641854][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.641854][   T10]      netlink_unicast+0x449/0x710
[ 7085.641854][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.641854][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.641854][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.641854][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.641854][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.641854][   T10] 
[ 7085.644062][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.644062][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7085.644062][   T10]      ipv6_find_idev+0x102/0x170
[ 7085.644062][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7085.644062][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.644062][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.644062][   T10]      netlink_unicast+0x449/0x710
[ 7085.644062][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.644062][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.644062][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.644062][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.644062][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.644062][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.644062][   T10] 
[ 7085.645864][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7085.645864][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7085.645864][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7085.645864][   T10]      ipv6_find_idev+0x102/0x170
[ 7085.645864][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7085.645864][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.645864][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.645864][   T10]      netlink_unicast+0x449/0x710
[ 7085.645864][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.645864][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.645864][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.645864][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.645864][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.645864][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.645864][   T10] 
[ 7085.647738][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7085.647990][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7085.647990][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.647990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.647990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.647990][   T10]      ip6_route_add+0x1c/0x140
[ 7085.647990][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7085.647990][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7085.647990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.647990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.647990][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.647990][   T10]      netlink_unicast+0x449/0x710
[ 7085.647990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.647990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.647990][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.647990][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.647990][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.647990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.647990][   T10] 
[ 7085.650237][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7085.650237][   T10]      netdev_get_by_index+0x5e/0x80
[ 7085.650237][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7085.650237][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7085.650237][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7085.650237][   T10]      ipv6_add_addr+0x411/0x2000
[ 7085.650237][   T10]      inet6_addr_add+0x30e/0xa40
[ 7085.650237][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7085.650237][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.650237][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.650237][   T10]      netlink_unicast+0x449/0x710
[ 7085.650237][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.650237][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.650237][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.650237][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.650237][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.650237][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.650237][   T10] 
[ 7085.652404][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7085.652404][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7085.652404][   T10]      ipv6_find_idev+0x102/0x170
[ 7085.652404][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7085.652404][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.652404][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.652404][   T10]      netlink_unicast+0x449/0x710
[ 7085.652404][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.652404][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.652404][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.652404][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.652404][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.652404][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.652404][   T10] 
[ 7085.654190][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7085.654190][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7085.654190][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7085.654190][   T10]      ipv6_find_idev+0x102/0x170
[ 7085.654190][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7085.654190][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7085.654190][   T10]      netlink_rcv_skb+0x130/0x360
[ 7085.654190][   T10]      netlink_unicast+0x449/0x710
[ 7085.654190][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7085.654190][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7085.654190][   T10]      ___sys_sendmsg+0xee/0x170
[ 7085.654190][   T10]      __sys_sendmsg+0xcd/0x170
[ 7085.654190][   T10]      do_syscall_64+0xc6/0x1e0
[ 7085.654190][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7085.654190][   T10] 
[ 7095.656769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7095.657581][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.657581][   T10]      dst_init+0x84/0x4a0
[ 7095.657581][   T10]      dst_alloc+0x97/0x150
[ 7095.657581][   T10]      ip6_dst_alloc+0x23/0x90
[ 7095.657581][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7095.657581][   T10]      ip6_pol_route+0x56f/0x840
[ 7095.657581][   T10]      fib6_rule_lookup+0x456/0x630
[ 7095.657581][   T10]      ip6_route_input+0x59c/0xa50
[ 7095.657581][   T10]      ipv6_rcv+0x397/0x810
[ 7095.657581][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7095.657581][   T10]      process_backlog+0x101/0x620
[ 7095.657581][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7095.657581][   T10]      net_rx_action+0x495/0xbe0
[ 7095.657581][   T10]      __do_softirq+0x1b5/0x7f6
[ 7095.657581][   T10] 
[ 7095.659230][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.659230][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7095.659230][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7095.659230][   T10]      fib6_nh_init+0xa22/0x1580
[ 7095.659230][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.659230][   T10]      ip6_route_add+0x1c/0x140
[ 7095.659230][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7095.659230][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.659230][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.659230][   T10]      netlink_unicast+0x449/0x710
[ 7095.659230][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.659230][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.659230][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.659230][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.659230][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.659230][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.659230][   T10] 
[ 7095.661075][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.661075][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.661075][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.661075][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.661075][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7095.661075][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7095.661075][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7095.661075][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7095.661075][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7095.661075][   T10]      addrconf_dad_begin+0x310/0x670
[ 7095.661075][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7095.661075][   T10]      process_one_work+0x84d/0x18a0
[ 7095.661075][   T10]      worker_thread+0x587/0xd30
[ 7095.661075][   T10]      kthread+0x28a/0x350
[ 7095.661075][   T10]      ret_from_fork+0x31/0x70
[ 7095.661075][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7095.661075][   T10] 
[ 7095.662990][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.662990][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.662990][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.662990][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.662990][   T10]      ip6_route_add+0x1c/0x140
[ 7095.662990][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7095.662990][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7095.662990][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.662990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.662990][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.662990][   T10]      netlink_unicast+0x449/0x710
[ 7095.662990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.662990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.662990][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.662990][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.662990][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.662990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.662990][   T10] 
[ 7095.665059][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.665059][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.665059][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.665059][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.665059][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7095.665059][   T10]      ipv6_add_addr+0x411/0x2000
[ 7095.665059][   T10]      inet6_addr_add+0x30e/0xa40
[ 7095.665059][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.665059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.665059][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.665059][   T10]      netlink_unicast+0x449/0x710
[ 7095.665059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.665059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.665059][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.665059][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.665059][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.665059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.665059][   T10] 
[ 7095.667041][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.667041][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.667041][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.667041][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.667041][   T10]      ip6_route_add+0x1c/0x140
[ 7095.667041][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7095.667041][   T10]      addrconf_add_dev+0xe2/0x170
[ 7095.667041][   T10]      inet6_addr_add+0x12f/0xa40
[ 7095.667041][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.667041][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.667041][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.667041][   T10]      netlink_unicast+0x449/0x710
[ 7095.667041][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.667041][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.667041][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.667041][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.667041][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.667041][   T10] 
[ 7095.668957][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.668957][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7095.668957][   T10]      ipv6_find_idev+0x102/0x170
[ 7095.668957][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7095.668957][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.668957][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.668957][   T10]      netlink_unicast+0x449/0x710
[ 7095.668957][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.668957][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.668957][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.668957][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.668957][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.668957][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.668957][   T10] 
[ 7095.670476][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7095.670476][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7095.670476][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7095.670476][   T10]      ipv6_find_idev+0x102/0x170
[ 7095.670476][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7095.670476][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.670476][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.670476][   T10]      netlink_unicast+0x449/0x710
[ 7095.670476][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.670476][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.670476][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.670476][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.670476][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.670476][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.670476][   T10] 
[ 7095.672136][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7095.672391][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.672391][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7095.672391][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7095.672391][   T10]      fib6_nh_init+0xa22/0x1580
[ 7095.672391][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.672391][   T10]      ip6_route_add+0x1c/0x140
[ 7095.672391][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7095.672391][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.672391][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.672391][   T10]      netlink_unicast+0x449/0x710
[ 7095.672391][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.672391][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.672391][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.672391][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.672391][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.672391][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.672391][   T10] 
[ 7095.674283][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.674283][   T10]      dst_init+0x84/0x4a0
[ 7095.674283][   T10]      dst_alloc+0x97/0x150
[ 7095.674283][   T10]      ip6_dst_alloc+0x23/0x90
[ 7095.674283][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7095.674283][   T10]      ip6_pol_route+0x56f/0x840
[ 7095.674283][   T10]      fib6_rule_lookup+0x456/0x630
[ 7095.674283][   T10]      ip6_route_input+0x59c/0xa50
[ 7095.674283][   T10]      ipv6_rcv+0x397/0x810
[ 7095.674283][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7095.674283][   T10]      process_backlog+0x101/0x620
[ 7095.674283][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7095.674283][   T10]      net_rx_action+0x495/0xbe0
[ 7095.674283][   T10]      __do_softirq+0x1b5/0x7f6
[ 7095.674283][   T10] 
[ 7095.675885][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.675885][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.675885][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.675885][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.675885][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7095.675885][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7095.675885][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7095.675885][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7095.675885][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7095.675885][   T10]      addrconf_dad_begin+0x310/0x670
[ 7095.675885][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7095.675885][   T10]      process_one_work+0x84d/0x18a0
[ 7095.675885][   T10]      worker_thread+0x587/0xd30
[ 7095.675885][   T10]      kthread+0x28a/0x350
[ 7095.675885][   T10]      ret_from_fork+0x31/0x70
[ 7095.675885][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7095.675885][   T10] 
[ 7095.677816][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.677816][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.677816][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.677816][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.677816][   T10]      ip6_route_add+0x1c/0x140
[ 7095.677816][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7095.677816][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7095.677816][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.677816][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.677816][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.677816][   T10]      netlink_unicast+0x449/0x710
[ 7095.677816][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.677816][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.677816][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.677816][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.677816][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.677816][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.677816][   T10] 
[ 7095.679820][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.679820][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.679820][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.679820][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.679820][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7095.679820][   T10]      ipv6_add_addr+0x411/0x2000
[ 7095.679820][   T10]      inet6_addr_add+0x30e/0xa40
[ 7095.679820][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.679820][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.679820][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.679820][   T10]      netlink_unicast+0x449/0x710
[ 7095.679820][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.679820][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.679820][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.679820][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.679820][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.679820][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.679820][   T10] 
[ 7095.681833][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.681833][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.681833][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.681833][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.681833][   T10]      ip6_route_add+0x1c/0x140
[ 7095.681833][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7095.681833][   T10]      addrconf_add_dev+0xe2/0x170
[ 7095.681833][   T10]      inet6_addr_add+0x12f/0xa40
[ 7095.681833][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.681833][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.681833][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.681833][   T10]      netlink_unicast+0x449/0x710
[ 7095.681833][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.681833][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.681833][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.681833][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.681833][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.681833][   T10] 
[ 7095.683958][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.683958][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7095.683958][   T10]      ipv6_find_idev+0x102/0x170
[ 7095.683958][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7095.683958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.683958][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.683958][   T10]      netlink_unicast+0x449/0x710
[ 7095.683958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.683958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.683958][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.683958][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.683958][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.683958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.683958][   T10] 
[ 7095.685674][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7095.685674][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7095.685674][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7095.685674][   T10]      ipv6_find_idev+0x102/0x170
[ 7095.685674][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7095.685674][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.685674][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.685674][   T10]      netlink_unicast+0x449/0x710
[ 7095.685674][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.685674][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.685674][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.685674][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.685674][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.685674][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.685674][   T10] 
[ 7095.687599][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7095.687900][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7095.687900][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.687900][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.687900][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.687900][   T10]      ip6_route_add+0x1c/0x140
[ 7095.687900][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7095.687900][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7095.687900][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.687900][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.687900][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.687900][   T10]      netlink_unicast+0x449/0x710
[ 7095.687900][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.687900][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.687900][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.687900][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.687900][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.687900][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.687900][   T10] 
[ 7095.690152][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7095.690152][   T10]      netdev_get_by_index+0x5e/0x80
[ 7095.690152][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7095.690152][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7095.690152][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7095.690152][   T10]      ipv6_add_addr+0x411/0x2000
[ 7095.690152][   T10]      inet6_addr_add+0x30e/0xa40
[ 7095.690152][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7095.690152][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.690152][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.690152][   T10]      netlink_unicast+0x449/0x710
[ 7095.690152][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.690152][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.690152][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.690152][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.690152][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.690152][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.690152][   T10] 
[ 7095.692323][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7095.692323][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7095.692323][   T10]      ipv6_find_idev+0x102/0x170
[ 7095.692323][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7095.692323][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.692323][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.692323][   T10]      netlink_unicast+0x449/0x710
[ 7095.692323][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.692323][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.692323][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.692323][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.692323][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.692323][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.692323][   T10] 
[ 7095.694044][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7095.694044][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7095.694044][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7095.694044][   T10]      ipv6_find_idev+0x102/0x170
[ 7095.694044][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7095.694044][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7095.694044][   T10]      netlink_rcv_skb+0x130/0x360
[ 7095.694044][   T10]      netlink_unicast+0x449/0x710
[ 7095.694044][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7095.694044][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7095.694044][   T10]      ___sys_sendmsg+0xee/0x170
[ 7095.694044][   T10]      __sys_sendmsg+0xcd/0x170
[ 7095.694044][   T10]      do_syscall_64+0xc6/0x1e0
[ 7095.694044][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7095.694044][   T10] 
[ 7105.720790][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7105.721680][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.721680][   T10]      dst_init+0x84/0x4a0
[ 7105.721680][   T10]      dst_alloc+0x97/0x150
[ 7105.721680][   T10]      ip6_dst_alloc+0x23/0x90
[ 7105.721680][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7105.721680][   T10]      ip6_pol_route+0x56f/0x840
[ 7105.721680][   T10]      fib6_rule_lookup+0x456/0x630
[ 7105.721680][   T10]      ip6_route_input+0x59c/0xa50
[ 7105.721680][   T10]      ipv6_rcv+0x397/0x810
[ 7105.721680][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7105.721680][   T10]      process_backlog+0x101/0x620
[ 7105.721680][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7105.721680][   T10]      net_rx_action+0x495/0xbe0
[ 7105.721680][   T10]      __do_softirq+0x1b5/0x7f6
[ 7105.721680][   T10] 
[ 7105.723326][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.723326][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7105.723326][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7105.723326][   T10]      fib6_nh_init+0xa22/0x1580
[ 7105.723326][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.723326][   T10]      ip6_route_add+0x1c/0x140
[ 7105.723326][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7105.723326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.723326][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.723326][   T10]      netlink_unicast+0x449/0x710
[ 7105.723326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.723326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.723326][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.723326][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.723326][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.723326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.723326][   T10] 
[ 7105.725177][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.725177][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.725177][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.725177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.725177][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7105.725177][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7105.725177][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7105.725177][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7105.725177][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7105.725177][   T10]      addrconf_dad_begin+0x310/0x670
[ 7105.725177][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7105.725177][   T10]      process_one_work+0x84d/0x18a0
[ 7105.725177][   T10]      worker_thread+0x587/0xd30
[ 7105.725177][   T10]      kthread+0x28a/0x350
[ 7105.725177][   T10]      ret_from_fork+0x31/0x70
[ 7105.725177][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7105.725177][   T10] 
[ 7105.727099][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.727099][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.727099][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.727099][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.727099][   T10]      ip6_route_add+0x1c/0x140
[ 7105.727099][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7105.727099][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7105.727099][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.727099][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.727099][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.727099][   T10]      netlink_unicast+0x449/0x710
[ 7105.727099][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.727099][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.727099][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.727099][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.727099][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.727099][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.727099][   T10] 
[ 7105.729055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.729055][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.729055][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.729055][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.729055][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7105.729055][   T10]      ipv6_add_addr+0x411/0x2000
[ 7105.729055][   T10]      inet6_addr_add+0x30e/0xa40
[ 7105.729055][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.729055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.729055][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.729055][   T10]      netlink_unicast+0x449/0x710
[ 7105.729055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.729055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.729055][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.729055][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.729055][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.729055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.729055][   T10] 
[ 7105.731038][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.731038][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.731038][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.731038][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.731038][   T10]      ip6_route_add+0x1c/0x140
[ 7105.731038][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7105.731038][   T10]      addrconf_add_dev+0xe2/0x170
[ 7105.731038][   T10]      inet6_addr_add+0x12f/0xa40
[ 7105.731038][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.731038][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.731038][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.731038][   T10]      netlink_unicast+0x449/0x710
[ 7105.731038][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.731038][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.731038][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.731038][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.731038][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.731038][   T10] 
[ 7105.732995][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.732995][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7105.732995][   T10]      ipv6_find_idev+0x102/0x170
[ 7105.732995][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7105.732995][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.732995][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.732995][   T10]      netlink_unicast+0x449/0x710
[ 7105.732995][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.732995][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.732995][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.732995][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.732995][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.732995][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.732995][   T10] 
[ 7105.734555][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7105.734555][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7105.734555][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7105.734555][   T10]      ipv6_find_idev+0x102/0x170
[ 7105.734555][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7105.734555][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.734555][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.734555][   T10]      netlink_unicast+0x449/0x710
[ 7105.734555][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.734555][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.734555][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.734555][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.734555][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.734555][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.734555][   T10] 
[ 7105.736271][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7105.736534][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.736534][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7105.736534][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7105.736534][   T10]      fib6_nh_init+0xa22/0x1580
[ 7105.736534][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.736534][   T10]      ip6_route_add+0x1c/0x140
[ 7105.736534][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7105.736534][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.736534][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.736534][   T10]      netlink_unicast+0x449/0x710
[ 7105.736534][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.736534][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.736534][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.736534][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.736534][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.736534][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.736534][   T10] 
[ 7105.738404][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.738404][   T10]      dst_init+0x84/0x4a0
[ 7105.738404][   T10]      dst_alloc+0x97/0x150
[ 7105.738404][   T10]      ip6_dst_alloc+0x23/0x90
[ 7105.738404][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7105.738404][   T10]      ip6_pol_route+0x56f/0x840
[ 7105.738404][   T10]      fib6_rule_lookup+0x456/0x630
[ 7105.738404][   T10]      ip6_route_input+0x59c/0xa50
[ 7105.738404][   T10]      ipv6_rcv+0x397/0x810
[ 7105.738404][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7105.738404][   T10]      process_backlog+0x101/0x620
[ 7105.738404][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7105.738404][   T10]      net_rx_action+0x495/0xbe0
[ 7105.738404][   T10]      __do_softirq+0x1b5/0x7f6
[ 7105.738404][   T10] 
[ 7105.740046][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.740046][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.740046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.740046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.740046][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7105.740046][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7105.740046][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7105.740046][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7105.740046][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7105.740046][   T10]      addrconf_dad_begin+0x310/0x670
[ 7105.740046][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7105.740046][   T10]      process_one_work+0x84d/0x18a0
[ 7105.740046][   T10]      worker_thread+0x587/0xd30
[ 7105.740046][   T10]      kthread+0x28a/0x350
[ 7105.740046][   T10]      ret_from_fork+0x31/0x70
[ 7105.740046][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7105.740046][   T10] 
[ 7105.741950][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.741950][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.741950][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.741950][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.741950][   T10]      ip6_route_add+0x1c/0x140
[ 7105.741950][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7105.741950][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7105.741950][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.741950][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.741950][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.741950][   T10]      netlink_unicast+0x449/0x710
[ 7105.741950][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.741950][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.741950][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.741950][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.741950][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.741950][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.741950][   T10] 
[ 7105.743946][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.743946][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.743946][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.743946][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.743946][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7105.743946][   T10]      ipv6_add_addr+0x411/0x2000
[ 7105.743946][   T10]      inet6_addr_add+0x30e/0xa40
[ 7105.743946][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.743946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.743946][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.743946][   T10]      netlink_unicast+0x449/0x710
[ 7105.743946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.743946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.743946][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.743946][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.743946][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.743946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.743946][   T10] 
[ 7105.745953][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.745953][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.745953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.745953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.745953][   T10]      ip6_route_add+0x1c/0x140
[ 7105.745953][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7105.745953][   T10]      addrconf_add_dev+0xe2/0x170
[ 7105.745953][   T10]      inet6_addr_add+0x12f/0xa40
[ 7105.745953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.745953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.745953][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.745953][   T10]      netlink_unicast+0x449/0x710
[ 7105.745953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.745953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.745953][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.745953][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.745953][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.745953][   T10] 
[ 7105.748073][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.748073][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7105.748073][   T10]      ipv6_find_idev+0x102/0x170
[ 7105.748073][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7105.748073][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.748073][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.748073][   T10]      netlink_unicast+0x449/0x710
[ 7105.748073][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.748073][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.748073][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.748073][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.748073][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.748073][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.748073][   T10] 
[ 7105.749847][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7105.749847][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7105.749847][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7105.749847][   T10]      ipv6_find_idev+0x102/0x170
[ 7105.749847][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7105.749847][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.749847][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.749847][   T10]      netlink_unicast+0x449/0x710
[ 7105.749847][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.749847][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.749847][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.749847][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.749847][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.749847][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.749847][   T10] 
[ 7105.751721][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7105.752046][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7105.752046][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.752046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.752046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.752046][   T10]      ip6_route_add+0x1c/0x140
[ 7105.752046][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7105.752046][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7105.752046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.752046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.752046][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.752046][   T10]      netlink_unicast+0x449/0x710
[ 7105.752046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.752046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.752046][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.752046][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.752046][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.752046][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.752046][   T10] 
[ 7105.754243][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7105.754243][   T10]      netdev_get_by_index+0x5e/0x80
[ 7105.754243][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7105.754243][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7105.754243][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7105.754243][   T10]      ipv6_add_addr+0x411/0x2000
[ 7105.754243][   T10]      inet6_addr_add+0x30e/0xa40
[ 7105.754243][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7105.754243][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.754243][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.754243][   T10]      netlink_unicast+0x449/0x710
[ 7105.754243][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.754243][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.754243][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.754243][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.754243][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.754243][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.754243][   T10] 
[ 7105.756902][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7105.756902][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7105.756902][   T10]      ipv6_find_idev+0x102/0x170
[ 7105.756902][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7105.756902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.756902][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.756902][   T10]      netlink_unicast+0x449/0x710
[ 7105.756902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.756902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.756902][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.756902][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.756902][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.756902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.756902][   T10] 
[ 7105.758621][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7105.758621][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7105.758621][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7105.758621][   T10]      ipv6_find_idev+0x102/0x170
[ 7105.758621][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7105.758621][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7105.758621][   T10]      netlink_rcv_skb+0x130/0x360
[ 7105.758621][   T10]      netlink_unicast+0x449/0x710
[ 7105.758621][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7105.758621][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7105.758621][   T10]      ___sys_sendmsg+0xee/0x170
[ 7105.758621][   T10]      __sys_sendmsg+0xcd/0x170
[ 7105.758621][   T10]      do_syscall_64+0xc6/0x1e0
[ 7105.758621][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7105.758621][   T10] 
[ 7115.824767][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7115.825541][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.825541][   T10]      dst_init+0x84/0x4a0
[ 7115.825541][   T10]      dst_alloc+0x97/0x150
[ 7115.825541][   T10]      ip6_dst_alloc+0x23/0x90
[ 7115.825541][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7115.825541][   T10]      ip6_pol_route+0x56f/0x840
[ 7115.825541][   T10]      fib6_rule_lookup+0x456/0x630
[ 7115.825541][   T10]      ip6_route_input+0x59c/0xa50
[ 7115.825541][   T10]      ipv6_rcv+0x397/0x810
[ 7115.825541][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7115.825541][   T10]      process_backlog+0x101/0x620
[ 7115.825541][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7115.825541][   T10]      net_rx_action+0x495/0xbe0
[ 7115.825541][   T10]      __do_softirq+0x1b5/0x7f6
[ 7115.825541][   T10] 
[ 7115.827221][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.827221][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7115.827221][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7115.827221][   T10]      fib6_nh_init+0xa22/0x1580
[ 7115.827221][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.827221][   T10]      ip6_route_add+0x1c/0x140
[ 7115.827221][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7115.827221][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.827221][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.827221][   T10]      netlink_unicast+0x449/0x710
[ 7115.827221][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.827221][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.827221][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.827221][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.827221][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.827221][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.827221][   T10] 
[ 7115.829064][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.829064][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.829064][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.829064][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.829064][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7115.829064][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7115.829064][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7115.829064][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7115.829064][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7115.829064][   T10]      addrconf_dad_begin+0x310/0x670
[ 7115.829064][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7115.829064][   T10]      process_one_work+0x84d/0x18a0
[ 7115.829064][   T10]      worker_thread+0x587/0xd30
[ 7115.829064][   T10]      kthread+0x28a/0x350
[ 7115.829064][   T10]      ret_from_fork+0x31/0x70
[ 7115.829064][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7115.829064][   T10] 
[ 7115.830923][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.830923][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.830923][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.830923][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.830923][   T10]      ip6_route_add+0x1c/0x140
[ 7115.830923][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7115.830923][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7115.830923][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.830923][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.830923][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.830923][   T10]      netlink_unicast+0x449/0x710
[ 7115.830923][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.830923][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.830923][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.830923][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.830923][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.830923][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.830923][   T10] 
[ 7115.832928][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.832928][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.832928][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.832928][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.832928][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7115.832928][   T10]      ipv6_add_addr+0x411/0x2000
[ 7115.832928][   T10]      inet6_addr_add+0x30e/0xa40
[ 7115.832928][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.832928][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.832928][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.832928][   T10]      netlink_unicast+0x449/0x710
[ 7115.832928][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.832928][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.832928][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.832928][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.832928][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.832928][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.832928][   T10] 
[ 7115.834941][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.834941][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.834941][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.834941][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.834941][   T10]      ip6_route_add+0x1c/0x140
[ 7115.834941][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7115.834941][   T10]      addrconf_add_dev+0xe2/0x170
[ 7115.834941][   T10]      inet6_addr_add+0x12f/0xa40
[ 7115.834941][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.834941][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.834941][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.834941][   T10]      netlink_unicast+0x449/0x710
[ 7115.834941][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.834941][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.834941][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.834941][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.834941][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.834941][   T10] 
[ 7115.836924][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.836924][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7115.836924][   T10]      ipv6_find_idev+0x102/0x170
[ 7115.836924][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7115.836924][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.836924][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.836924][   T10]      netlink_unicast+0x449/0x710
[ 7115.836924][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.836924][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.836924][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.836924][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.836924][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.836924][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.836924][   T10] 
[ 7115.838494][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7115.838494][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7115.838494][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7115.838494][   T10]      ipv6_find_idev+0x102/0x170
[ 7115.838494][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7115.838494][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.838494][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.838494][   T10]      netlink_unicast+0x449/0x710
[ 7115.838494][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.838494][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.838494][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.838494][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.838494][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.838494][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.838494][   T10] 
[ 7115.840209][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7115.840453][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.840453][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7115.840453][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7115.840453][   T10]      fib6_nh_init+0xa22/0x1580
[ 7115.840453][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.840453][   T10]      ip6_route_add+0x1c/0x140
[ 7115.840453][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7115.840453][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.840453][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.840453][   T10]      netlink_unicast+0x449/0x710
[ 7115.840453][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.840453][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.840453][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.840453][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.840453][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.840453][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.840453][   T10] 
[ 7115.842360][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.842360][   T10]      dst_init+0x84/0x4a0
[ 7115.842360][   T10]      dst_alloc+0x97/0x150
[ 7115.842360][   T10]      ip6_dst_alloc+0x23/0x90
[ 7115.842360][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7115.842360][   T10]      ip6_pol_route+0x56f/0x840
[ 7115.842360][   T10]      fib6_rule_lookup+0x456/0x630
[ 7115.842360][   T10]      ip6_route_input+0x59c/0xa50
[ 7115.842360][   T10]      ipv6_rcv+0x397/0x810
[ 7115.842360][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7115.842360][   T10]      process_backlog+0x101/0x620
[ 7115.842360][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7115.842360][   T10]      net_rx_action+0x495/0xbe0
[ 7115.842360][   T10]      __do_softirq+0x1b5/0x7f6
[ 7115.842360][   T10] 
[ 7115.843999][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.843999][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.843999][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.843999][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.843999][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7115.843999][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7115.843999][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7115.843999][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7115.843999][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7115.843999][   T10]      addrconf_dad_begin+0x310/0x670
[ 7115.843999][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7115.843999][   T10]      process_one_work+0x84d/0x18a0
[ 7115.843999][   T10]      worker_thread+0x587/0xd30
[ 7115.843999][   T10]      kthread+0x28a/0x350
[ 7115.843999][   T10]      ret_from_fork+0x31/0x70
[ 7115.843999][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7115.843999][   T10] 
[ 7115.845890][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.845890][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.845890][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.845890][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.845890][   T10]      ip6_route_add+0x1c/0x140
[ 7115.845890][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7115.845890][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7115.845890][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.845890][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.845890][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.845890][   T10]      netlink_unicast+0x449/0x710
[ 7115.845890][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.845890][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.845890][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.845890][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.845890][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.845890][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.845890][   T10] 
[ 7115.847840][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.847840][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.847840][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.847840][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.847840][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7115.847840][   T10]      ipv6_add_addr+0x411/0x2000
[ 7115.847840][   T10]      inet6_addr_add+0x30e/0xa40
[ 7115.847840][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.847840][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.847840][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.847840][   T10]      netlink_unicast+0x449/0x710
[ 7115.847840][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.847840][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.847840][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.847840][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.847840][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.847840][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.847840][   T10] 
[ 7115.849785][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.849785][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.849785][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.849785][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.849785][   T10]      ip6_route_add+0x1c/0x140
[ 7115.849785][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7115.849785][   T10]      addrconf_add_dev+0xe2/0x170
[ 7115.849785][   T10]      inet6_addr_add+0x12f/0xa40
[ 7115.849785][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.849785][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.849785][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.849785][   T10]      netlink_unicast+0x449/0x710
[ 7115.849785][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.849785][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.849785][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.849785][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.849785][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.849785][   T10] 
[ 7115.851857][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.851857][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7115.851857][   T10]      ipv6_find_idev+0x102/0x170
[ 7115.851857][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7115.851857][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.851857][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.851857][   T10]      netlink_unicast+0x449/0x710
[ 7115.851857][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.851857][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.851857][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.851857][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.851857][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.851857][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.851857][   T10] 
[ 7115.853554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7115.853554][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7115.853554][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7115.853554][   T10]      ipv6_find_idev+0x102/0x170
[ 7115.853554][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7115.853554][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.853554][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.853554][   T10]      netlink_unicast+0x449/0x710
[ 7115.853554][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.853554][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.853554][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.853554][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.853554][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.853554][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.853554][   T10] 
[ 7115.855494][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7115.855837][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7115.855837][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.855837][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.855837][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.855837][   T10]      ip6_route_add+0x1c/0x140
[ 7115.855837][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7115.855837][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7115.855837][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.855837][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.855837][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.855837][   T10]      netlink_unicast+0x449/0x710
[ 7115.855837][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.855837][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.855837][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.855837][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.855837][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.855837][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.855837][   T10] 
[ 7115.858006][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7115.858006][   T10]      netdev_get_by_index+0x5e/0x80
[ 7115.858006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7115.858006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7115.858006][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7115.858006][   T10]      ipv6_add_addr+0x411/0x2000
[ 7115.858006][   T10]      inet6_addr_add+0x30e/0xa40
[ 7115.858006][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7115.858006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.858006][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.858006][   T10]      netlink_unicast+0x449/0x710
[ 7115.858006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.858006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.858006][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.858006][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.858006][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.858006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.858006][   T10] 
[ 7115.860170][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7115.860170][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7115.860170][   T10]      ipv6_find_idev+0x102/0x170
[ 7115.860170][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7115.860170][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.860170][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.860170][   T10]      netlink_unicast+0x449/0x710
[ 7115.860170][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.860170][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.860170][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.860170][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.860170][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.860170][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.860170][   T10] 
[ 7115.861918][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7115.861918][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7115.861918][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7115.861918][   T10]      ipv6_find_idev+0x102/0x170
[ 7115.861918][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7115.861918][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7115.861918][   T10]      netlink_rcv_skb+0x130/0x360
[ 7115.861918][   T10]      netlink_unicast+0x449/0x710
[ 7115.861918][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7115.861918][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7115.861918][   T10]      ___sys_sendmsg+0xee/0x170
[ 7115.861918][   T10]      __sys_sendmsg+0xcd/0x170
[ 7115.861918][   T10]      do_syscall_64+0xc6/0x1e0
[ 7115.861918][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7115.861918][   T10] 
[ 7126.112799][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7126.113610][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.113610][   T10]      dst_init+0x84/0x4a0
[ 7126.113610][   T10]      dst_alloc+0x97/0x150
[ 7126.113610][   T10]      ip6_dst_alloc+0x23/0x90
[ 7126.113610][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7126.113610][   T10]      ip6_pol_route+0x56f/0x840
[ 7126.113610][   T10]      fib6_rule_lookup+0x456/0x630
[ 7126.113610][   T10]      ip6_route_input+0x59c/0xa50
[ 7126.113610][   T10]      ipv6_rcv+0x397/0x810
[ 7126.113610][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7126.113610][   T10]      process_backlog+0x101/0x620
[ 7126.113610][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7126.113610][   T10]      net_rx_action+0x495/0xbe0
[ 7126.113610][   T10]      __do_softirq+0x1b5/0x7f6
[ 7126.113610][   T10] 
[ 7126.115235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.115235][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7126.115235][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7126.115235][   T10]      fib6_nh_init+0xa22/0x1580
[ 7126.115235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.115235][   T10]      ip6_route_add+0x1c/0x140
[ 7126.115235][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7126.115235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.115235][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.115235][   T10]      netlink_unicast+0x449/0x710
[ 7126.115235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.115235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.115235][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.115235][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.115235][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.115235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.115235][   T10] 
[ 7126.117077][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.117077][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.117077][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.117077][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.117077][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7126.117077][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7126.117077][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7126.117077][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7126.117077][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7126.117077][   T10]      addrconf_dad_begin+0x310/0x670
[ 7126.117077][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7126.117077][   T10]      process_one_work+0x84d/0x18a0
[ 7126.117077][   T10]      worker_thread+0x587/0xd30
[ 7126.117077][   T10]      kthread+0x28a/0x350
[ 7126.117077][   T10]      ret_from_fork+0x31/0x70
[ 7126.117077][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7126.117077][   T10] 
[ 7126.118980][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.118980][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.118980][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.118980][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.118980][   T10]      ip6_route_add+0x1c/0x140
[ 7126.118980][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7126.118980][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7126.118980][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.118980][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.118980][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.118980][   T10]      netlink_unicast+0x449/0x710
[ 7126.118980][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.118980][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.118980][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.118980][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.118980][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.118980][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.118980][   T10] 
[ 7126.120985][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.120985][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.120985][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.120985][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.120985][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7126.120985][   T10]      ipv6_add_addr+0x411/0x2000
[ 7126.120985][   T10]      inet6_addr_add+0x30e/0xa40
[ 7126.120985][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.120985][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.120985][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.120985][   T10]      netlink_unicast+0x449/0x710
[ 7126.120985][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.120985][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.120985][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.120985][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.120985][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.120985][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.120985][   T10] 
[ 7126.122953][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.122953][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.122953][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.122953][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.122953][   T10]      ip6_route_add+0x1c/0x140
[ 7126.122953][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7126.122953][   T10]      addrconf_add_dev+0xe2/0x170
[ 7126.122953][   T10]      inet6_addr_add+0x12f/0xa40
[ 7126.122953][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.122953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.122953][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.122953][   T10]      netlink_unicast+0x449/0x710
[ 7126.122953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.122953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.122953][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.122953][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.122953][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.122953][   T10] 
[ 7126.124939][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.124939][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7126.124939][   T10]      ipv6_find_idev+0x102/0x170
[ 7126.124939][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7126.124939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.124939][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.124939][   T10]      netlink_unicast+0x449/0x710
[ 7126.124939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.124939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.124939][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.124939][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.124939][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.124939][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.124939][   T10] 
[ 7126.126478][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7126.126478][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7126.126478][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7126.126478][   T10]      ipv6_find_idev+0x102/0x170
[ 7126.126478][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7126.126478][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.126478][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.126478][   T10]      netlink_unicast+0x449/0x710
[ 7126.126478][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.126478][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.126478][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.126478][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.126478][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.126478][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.126478][   T10] 
[ 7126.128131][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7126.128407][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.128407][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7126.128407][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7126.128407][   T10]      fib6_nh_init+0xa22/0x1580
[ 7126.128407][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.128407][   T10]      ip6_route_add+0x1c/0x140
[ 7126.128407][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7126.128407][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.128407][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.128407][   T10]      netlink_unicast+0x449/0x710
[ 7126.128407][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.128407][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.128407][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.128407][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.128407][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.128407][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.128407][   T10] 
[ 7126.130309][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.130309][   T10]      dst_init+0x84/0x4a0
[ 7126.130309][   T10]      dst_alloc+0x97/0x150
[ 7126.130309][   T10]      ip6_dst_alloc+0x23/0x90
[ 7126.130309][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7126.130309][   T10]      ip6_pol_route+0x56f/0x840
[ 7126.130309][   T10]      fib6_rule_lookup+0x456/0x630
[ 7126.130309][   T10]      ip6_route_input+0x59c/0xa50
[ 7126.130309][   T10]      ipv6_rcv+0x397/0x810
[ 7126.130309][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7126.130309][   T10]      process_backlog+0x101/0x620
[ 7126.130309][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7126.130309][   T10]      net_rx_action+0x495/0xbe0
[ 7126.130309][   T10]      __do_softirq+0x1b5/0x7f6
[ 7126.130309][   T10] 
[ 7126.131944][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.131944][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.131944][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.131944][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.131944][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7126.131944][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7126.131944][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7126.131944][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7126.131944][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7126.131944][   T10]      addrconf_dad_begin+0x310/0x670
[ 7126.131944][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7126.131944][   T10]      process_one_work+0x84d/0x18a0
[ 7126.131944][   T10]      worker_thread+0x587/0xd30
[ 7126.131944][   T10]      kthread+0x28a/0x350
[ 7126.131944][   T10]      ret_from_fork+0x31/0x70
[ 7126.131944][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7126.131944][   T10] 
[ 7126.133992][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.133992][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.133992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.133992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.133992][   T10]      ip6_route_add+0x1c/0x140
[ 7126.133992][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7126.133992][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7126.133992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.133992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.133992][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.133992][   T10]      netlink_unicast+0x449/0x710
[ 7126.133992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.133992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.133992][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.133992][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.133992][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.133992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.133992][   T10] 
[ 7126.135987][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.135987][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.135987][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.135987][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.135987][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7126.135987][   T10]      ipv6_add_addr+0x411/0x2000
[ 7126.135987][   T10]      inet6_addr_add+0x30e/0xa40
[ 7126.135987][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.135987][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.135987][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.135987][   T10]      netlink_unicast+0x449/0x710
[ 7126.135987][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.135987][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.135987][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.135987][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.135987][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.135987][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.135987][   T10] 
[ 7126.137992][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.137992][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.137992][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.137992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.137992][   T10]      ip6_route_add+0x1c/0x140
[ 7126.137992][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7126.137992][   T10]      addrconf_add_dev+0xe2/0x170
[ 7126.137992][   T10]      inet6_addr_add+0x12f/0xa40
[ 7126.137992][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.137992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.137992][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.137992][   T10]      netlink_unicast+0x449/0x710
[ 7126.137992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.137992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.137992][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.137992][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.137992][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.137992][   T10] 
[ 7126.140071][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.140071][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7126.140071][   T10]      ipv6_find_idev+0x102/0x170
[ 7126.140071][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7126.140071][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.140071][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.140071][   T10]      netlink_unicast+0x449/0x710
[ 7126.140071][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.140071][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.140071][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.140071][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.140071][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.140071][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.140071][   T10] 
[ 7126.141852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7126.141852][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7126.141852][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7126.141852][   T10]      ipv6_find_idev+0x102/0x170
[ 7126.141852][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7126.141852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.141852][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.141852][   T10]      netlink_unicast+0x449/0x710
[ 7126.141852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.141852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.141852][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.141852][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.141852][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.141852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.141852][   T10] 
[ 7126.143729][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7126.144035][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7126.144035][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.144035][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.144035][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.144035][   T10]      ip6_route_add+0x1c/0x140
[ 7126.144035][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7126.144035][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7126.144035][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.144035][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.144035][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.144035][   T10]      netlink_unicast+0x449/0x710
[ 7126.144035][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.144035][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.144035][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.144035][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.144035][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.144035][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.144035][   T10] 
[ 7126.146204][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7126.146204][   T10]      netdev_get_by_index+0x5e/0x80
[ 7126.146204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7126.146204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7126.146204][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7126.146204][   T10]      ipv6_add_addr+0x411/0x2000
[ 7126.146204][   T10]      inet6_addr_add+0x30e/0xa40
[ 7126.146204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7126.146204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.146204][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.146204][   T10]      netlink_unicast+0x449/0x710
[ 7126.146204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.146204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.146204][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.146204][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.146204][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.146204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.146204][   T10] 
[ 7126.148376][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7126.148376][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7126.148376][   T10]      ipv6_find_idev+0x102/0x170
[ 7126.148376][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7126.148376][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.148376][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.148376][   T10]      netlink_unicast+0x449/0x710
[ 7126.148376][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.148376][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.148376][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.148376][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.148376][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.148376][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.148376][   T10] 
[ 7126.150084][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7126.150084][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7126.150084][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7126.150084][   T10]      ipv6_find_idev+0x102/0x170
[ 7126.150084][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7126.150084][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7126.150084][   T10]      netlink_rcv_skb+0x130/0x360
[ 7126.150084][   T10]      netlink_unicast+0x449/0x710
[ 7126.150084][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7126.150084][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7126.150084][   T10]      ___sys_sendmsg+0xee/0x170
[ 7126.150084][   T10]      __sys_sendmsg+0xcd/0x170
[ 7126.150084][   T10]      do_syscall_64+0xc6/0x1e0
[ 7126.150084][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7126.150084][   T10] 
[ 7136.272693][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7136.273168][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.273168][   T10]      dst_init+0x84/0x4a0
[ 7136.273168][   T10]      dst_alloc+0x97/0x150
[ 7136.273168][   T10]      ip6_dst_alloc+0x23/0x90
[ 7136.273168][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7136.273168][   T10]      ip6_pol_route+0x56f/0x840
[ 7136.273168][   T10]      fib6_rule_lookup+0x456/0x630
[ 7136.273168][   T10]      ip6_route_input+0x59c/0xa50
[ 7136.273168][   T10]      ipv6_rcv+0x397/0x810
[ 7136.273168][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7136.273168][   T10]      process_backlog+0x101/0x620
[ 7136.273168][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7136.273168][   T10]      net_rx_action+0x495/0xbe0
[ 7136.273168][   T10]      __do_softirq+0x1b5/0x7f6
[ 7136.273168][   T10] 
[ 7136.274839][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.274839][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7136.274839][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7136.274839][   T10]      fib6_nh_init+0xa22/0x1580
[ 7136.274839][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.274839][   T10]      ip6_route_add+0x1c/0x140
[ 7136.274839][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7136.274839][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.274839][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.274839][   T10]      netlink_unicast+0x449/0x710
[ 7136.274839][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.274839][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.274839][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.274839][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.274839][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.274839][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.274839][   T10] 
[ 7136.276688][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.276688][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.276688][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.276688][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.276688][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7136.276688][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7136.276688][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7136.276688][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7136.276688][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7136.276688][   T10]      addrconf_dad_begin+0x310/0x670
[ 7136.276688][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7136.276688][   T10]      process_one_work+0x84d/0x18a0
[ 7136.276688][   T10]      worker_thread+0x587/0xd30
[ 7136.276688][   T10]      kthread+0x28a/0x350
[ 7136.276688][   T10]      ret_from_fork+0x31/0x70
[ 7136.276688][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7136.276688][   T10] 
[ 7136.278625][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.278625][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.278625][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.278625][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.278625][   T10]      ip6_route_add+0x1c/0x140
[ 7136.278625][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7136.278625][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7136.278625][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.278625][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.278625][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.278625][   T10]      netlink_unicast+0x449/0x710
[ 7136.278625][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.278625][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.278625][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.278625][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.278625][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.278625][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.278625][   T10] 
[ 7136.280601][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.280601][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.280601][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.280601][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.280601][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7136.280601][   T10]      ipv6_add_addr+0x411/0x2000
[ 7136.280601][   T10]      inet6_addr_add+0x30e/0xa40
[ 7136.280601][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.280601][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.280601][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.280601][   T10]      netlink_unicast+0x449/0x710
[ 7136.280601][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.280601][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.280601][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.280601][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.280601][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.280601][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.280601][   T10] 
[ 7136.282612][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.282612][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.282612][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.282612][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.282612][   T10]      ip6_route_add+0x1c/0x140
[ 7136.282612][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7136.282612][   T10]      addrconf_add_dev+0xe2/0x170
[ 7136.282612][   T10]      inet6_addr_add+0x12f/0xa40
[ 7136.282612][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.282612][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.282612][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.282612][   T10]      netlink_unicast+0x449/0x710
[ 7136.282612][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.282612][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.282612][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.282612][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.282612][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.282612][   T10] 
[ 7136.284531][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.284531][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7136.284531][   T10]      ipv6_find_idev+0x102/0x170
[ 7136.284531][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7136.284531][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.284531][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.284531][   T10]      netlink_unicast+0x449/0x710
[ 7136.284531][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.284531][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.284531][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.284531][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.284531][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.284531][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.284531][   T10] 
[ 7136.286100][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7136.286100][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7136.286100][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7136.286100][   T10]      ipv6_find_idev+0x102/0x170
[ 7136.286100][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7136.286100][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.286100][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.286100][   T10]      netlink_unicast+0x449/0x710
[ 7136.286100][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.286100][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.286100][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.286100][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.286100][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.286100][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.286100][   T10] 
[ 7136.287752][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7136.288030][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.288030][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7136.288030][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7136.288030][   T10]      fib6_nh_init+0xa22/0x1580
[ 7136.288030][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.288030][   T10]      ip6_route_add+0x1c/0x140
[ 7136.288030][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7136.288030][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.288030][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.288030][   T10]      netlink_unicast+0x449/0x710
[ 7136.288030][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.288030][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.288030][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.288030][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.288030][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.288030][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.288030][   T10] 
[ 7136.289908][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.289908][   T10]      dst_init+0x84/0x4a0
[ 7136.289908][   T10]      dst_alloc+0x97/0x150
[ 7136.289908][   T10]      ip6_dst_alloc+0x23/0x90
[ 7136.289908][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7136.289908][   T10]      ip6_pol_route+0x56f/0x840
[ 7136.289908][   T10]      fib6_rule_lookup+0x456/0x630
[ 7136.289908][   T10]      ip6_route_input+0x59c/0xa50
[ 7136.289908][   T10]      ipv6_rcv+0x397/0x810
[ 7136.289908][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7136.289908][   T10]      process_backlog+0x101/0x620
[ 7136.289908][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7136.289908][   T10]      net_rx_action+0x495/0xbe0
[ 7136.289908][   T10]      __do_softirq+0x1b5/0x7f6
[ 7136.289908][   T10] 
[ 7136.291554][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.291554][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.291554][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.291554][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.291554][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7136.291554][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7136.291554][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7136.291554][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7136.291554][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7136.291554][   T10]      addrconf_dad_begin+0x310/0x670
[ 7136.291554][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7136.291554][   T10]      process_one_work+0x84d/0x18a0
[ 7136.291554][   T10]      worker_thread+0x587/0xd30
[ 7136.291554][   T10]      kthread+0x28a/0x350
[ 7136.291554][   T10]      ret_from_fork+0x31/0x70
[ 7136.291554][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7136.291554][   T10] 
[ 7136.293458][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.293458][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.293458][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.293458][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.293458][   T10]      ip6_route_add+0x1c/0x140
[ 7136.293458][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7136.293458][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7136.293458][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.293458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.293458][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.293458][   T10]      netlink_unicast+0x449/0x710
[ 7136.293458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.293458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.293458][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.293458][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.293458][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.293458][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.293458][   T10] 
[ 7136.295429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.295429][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.295429][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.295429][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.295429][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7136.295429][   T10]      ipv6_add_addr+0x411/0x2000
[ 7136.295429][   T10]      inet6_addr_add+0x30e/0xa40
[ 7136.295429][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.295429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.295429][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.295429][   T10]      netlink_unicast+0x449/0x710
[ 7136.295429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.295429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.295429][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.295429][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.295429][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.295429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.295429][   T10] 
[ 7136.297390][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.297390][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.297390][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.297390][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.297390][   T10]      ip6_route_add+0x1c/0x140
[ 7136.297390][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7136.297390][   T10]      addrconf_add_dev+0xe2/0x170
[ 7136.297390][   T10]      inet6_addr_add+0x12f/0xa40
[ 7136.297390][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.297390][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.297390][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.297390][   T10]      netlink_unicast+0x449/0x710
[ 7136.297390][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.297390][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.297390][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.297390][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.297390][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.297390][   T10] 
[ 7136.299488][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.299488][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7136.299488][   T10]      ipv6_find_idev+0x102/0x170
[ 7136.299488][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7136.299488][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.299488][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.299488][   T10]      netlink_unicast+0x449/0x710
[ 7136.299488][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.299488][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.299488][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.299488][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.299488][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.299488][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.299488][   T10] 
[ 7136.301707][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7136.301707][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7136.301707][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7136.301707][   T10]      ipv6_find_idev+0x102/0x170
[ 7136.301707][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7136.301707][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.301707][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.301707][   T10]      netlink_unicast+0x449/0x710
[ 7136.301707][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.301707][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.301707][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.301707][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.301707][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.301707][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.301707][   T10] 
[ 7136.303635][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7136.303943][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7136.303943][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.303943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.303943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.303943][   T10]      ip6_route_add+0x1c/0x140
[ 7136.303943][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7136.303943][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7136.303943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.303943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.303943][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.303943][   T10]      netlink_unicast+0x449/0x710
[ 7136.303943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.303943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.303943][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.303943][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.303943][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.303943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.303943][   T10] 
[ 7136.306141][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7136.306141][   T10]      netdev_get_by_index+0x5e/0x80
[ 7136.306141][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7136.306141][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7136.306141][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7136.306141][   T10]      ipv6_add_addr+0x411/0x2000
[ 7136.306141][   T10]      inet6_addr_add+0x30e/0xa40
[ 7136.306141][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7136.306141][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.306141][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.306141][   T10]      netlink_unicast+0x449/0x710
[ 7136.306141][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.306141][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.306141][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.306141][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.306141][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.306141][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.306141][   T10] 
[ 7136.308203][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7136.308203][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7136.308203][   T10]      ipv6_find_idev+0x102/0x170
[ 7136.308203][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7136.308203][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.308203][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.308203][   T10]      netlink_unicast+0x449/0x710
[ 7136.308203][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.308203][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.308203][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.308203][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.308203][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.308203][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.308203][   T10] 
[ 7136.309917][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7136.309917][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7136.309917][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7136.309917][   T10]      ipv6_find_idev+0x102/0x170
[ 7136.309917][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7136.309917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7136.309917][   T10]      netlink_rcv_skb+0x130/0x360
[ 7136.309917][   T10]      netlink_unicast+0x449/0x710
[ 7136.309917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7136.309917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7136.309917][   T10]      ___sys_sendmsg+0xee/0x170
[ 7136.309917][   T10]      __sys_sendmsg+0xcd/0x170
[ 7136.309917][   T10]      do_syscall_64+0xc6/0x1e0
[ 7136.309917][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7136.309917][   T10] 
[ 7146.528634][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7146.529079][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.529079][   T10]      dst_init+0x84/0x4a0
[ 7146.529079][   T10]      dst_alloc+0x97/0x150
[ 7146.529079][   T10]      ip6_dst_alloc+0x23/0x90
[ 7146.529079][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7146.529079][   T10]      ip6_pol_route+0x56f/0x840
[ 7146.529079][   T10]      fib6_rule_lookup+0x456/0x630
[ 7146.529079][   T10]      ip6_route_input+0x59c/0xa50
[ 7146.529079][   T10]      ipv6_rcv+0x397/0x810
[ 7146.529079][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7146.529079][   T10]      process_backlog+0x101/0x620
[ 7146.529079][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7146.529079][   T10]      net_rx_action+0x495/0xbe0
[ 7146.529079][   T10]      __do_softirq+0x1b5/0x7f6
[ 7146.529079][   T10] 
[ 7146.530702][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.530702][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7146.530702][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7146.530702][   T10]      fib6_nh_init+0xa22/0x1580
[ 7146.530702][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.530702][   T10]      ip6_route_add+0x1c/0x140
[ 7146.530702][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7146.530702][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.530702][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.530702][   T10]      netlink_unicast+0x449/0x710
[ 7146.530702][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.530702][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.530702][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.530702][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.530702][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.530702][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.530702][   T10] 
[ 7146.532539][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.532539][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.532539][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.532539][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.532539][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7146.532539][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7146.532539][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7146.532539][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7146.532539][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7146.532539][   T10]      addrconf_dad_begin+0x310/0x670
[ 7146.532539][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7146.532539][   T10]      process_one_work+0x84d/0x18a0
[ 7146.532539][   T10]      worker_thread+0x587/0xd30
[ 7146.532539][   T10]      kthread+0x28a/0x350
[ 7146.532539][   T10]      ret_from_fork+0x31/0x70
[ 7146.532539][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7146.532539][   T10] 
[ 7146.534414][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.534414][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.534414][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.534414][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.534414][   T10]      ip6_route_add+0x1c/0x140
[ 7146.534414][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7146.534414][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7146.534414][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.534414][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.534414][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.534414][   T10]      netlink_unicast+0x449/0x710
[ 7146.534414][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.534414][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.534414][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.534414][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.534414][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.534414][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.534414][   T10] 
[ 7146.536395][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.536395][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.536395][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.536395][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.536395][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7146.536395][   T10]      ipv6_add_addr+0x411/0x2000
[ 7146.536395][   T10]      inet6_addr_add+0x30e/0xa40
[ 7146.536395][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.536395][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.536395][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.536395][   T10]      netlink_unicast+0x449/0x710
[ 7146.536395][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.536395][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.536395][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.536395][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.536395][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.536395][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.536395][   T10] 
[ 7146.538337][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.538337][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.538337][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.538337][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.538337][   T10]      ip6_route_add+0x1c/0x140
[ 7146.538337][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7146.538337][   T10]      addrconf_add_dev+0xe2/0x170
[ 7146.538337][   T10]      inet6_addr_add+0x12f/0xa40
[ 7146.538337][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.538337][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.538337][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.538337][   T10]      netlink_unicast+0x449/0x710
[ 7146.538337][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.538337][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.538337][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.538337][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.538337][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.538337][   T10] 
[ 7146.540296][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.540296][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7146.540296][   T10]      ipv6_find_idev+0x102/0x170
[ 7146.540296][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7146.540296][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.540296][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.540296][   T10]      netlink_unicast+0x449/0x710
[ 7146.540296][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.540296][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.540296][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.540296][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.540296][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.540296][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.540296][   T10] 
[ 7146.541808][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7146.541808][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7146.541808][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7146.541808][   T10]      ipv6_find_idev+0x102/0x170
[ 7146.541808][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7146.541808][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.541808][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.541808][   T10]      netlink_unicast+0x449/0x710
[ 7146.541808][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.541808][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.541808][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.541808][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.541808][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.541808][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.541808][   T10] 
[ 7146.543506][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7146.543764][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.543764][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7146.543764][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7146.543764][   T10]      fib6_nh_init+0xa22/0x1580
[ 7146.543764][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.543764][   T10]      ip6_route_add+0x1c/0x140
[ 7146.543764][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7146.543764][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.543764][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.543764][   T10]      netlink_unicast+0x449/0x710
[ 7146.543764][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.543764][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.543764][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.543764][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.543764][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.543764][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.543764][   T10] 
[ 7146.545638][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.545638][   T10]      dst_init+0x84/0x4a0
[ 7146.545638][   T10]      dst_alloc+0x97/0x150
[ 7146.545638][   T10]      ip6_dst_alloc+0x23/0x90
[ 7146.545638][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7146.545638][   T10]      ip6_pol_route+0x56f/0x840
[ 7146.545638][   T10]      fib6_rule_lookup+0x456/0x630
[ 7146.545638][   T10]      ip6_route_input+0x59c/0xa50
[ 7146.545638][   T10]      ipv6_rcv+0x397/0x810
[ 7146.545638][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7146.545638][   T10]      process_backlog+0x101/0x620
[ 7146.545638][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7146.545638][   T10]      net_rx_action+0x495/0xbe0
[ 7146.545638][   T10]      __do_softirq+0x1b5/0x7f6
[ 7146.545638][   T10] 
[ 7146.547222][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.547222][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.547222][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.547222][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.547222][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7146.547222][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7146.547222][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7146.547222][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7146.547222][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7146.547222][   T10]      addrconf_dad_begin+0x310/0x670
[ 7146.547222][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7146.547222][   T10]      process_one_work+0x84d/0x18a0
[ 7146.547222][   T10]      worker_thread+0x587/0xd30
[ 7146.547222][   T10]      kthread+0x28a/0x350
[ 7146.547222][   T10]      ret_from_fork+0x31/0x70
[ 7146.547222][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7146.547222][   T10] 
[ 7146.549138][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.549138][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.549138][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.549138][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.549138][   T10]      ip6_route_add+0x1c/0x140
[ 7146.549138][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7146.549138][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7146.549138][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.549138][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.549138][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.549138][   T10]      netlink_unicast+0x449/0x710
[ 7146.549138][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.549138][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.549138][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.549138][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.549138][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.549138][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.549138][   T10] 
[ 7146.551142][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.551142][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.551142][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.551142][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.551142][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7146.551142][   T10]      ipv6_add_addr+0x411/0x2000
[ 7146.551142][   T10]      inet6_addr_add+0x30e/0xa40
[ 7146.551142][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.551142][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.551142][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.551142][   T10]      netlink_unicast+0x449/0x710
[ 7146.551142][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.551142][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.551142][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.551142][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.551142][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.551142][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.551142][   T10] 
[ 7146.553104][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.553104][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.553104][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.553104][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.553104][   T10]      ip6_route_add+0x1c/0x140
[ 7146.553104][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7146.553104][   T10]      addrconf_add_dev+0xe2/0x170
[ 7146.553104][   T10]      inet6_addr_add+0x12f/0xa40
[ 7146.553104][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.553104][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.553104][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.553104][   T10]      netlink_unicast+0x449/0x710
[ 7146.553104][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.553104][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.553104][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.553104][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.553104][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.553104][   T10] 
[ 7146.555200][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.555200][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7146.555200][   T10]      ipv6_find_idev+0x102/0x170
[ 7146.555200][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7146.555200][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.555200][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.555200][   T10]      netlink_unicast+0x449/0x710
[ 7146.555200][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.555200][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.555200][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.555200][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.555200][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.555200][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.555200][   T10] 
[ 7146.556990][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7146.556990][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7146.556990][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7146.556990][   T10]      ipv6_find_idev+0x102/0x170
[ 7146.556990][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7146.556990][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.556990][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.556990][   T10]      netlink_unicast+0x449/0x710
[ 7146.556990][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.556990][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.556990][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.556990][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.556990][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.556990][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.556990][   T10] 
[ 7146.558852][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7146.559179][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7146.559179][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.559179][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.559179][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.559179][   T10]      ip6_route_add+0x1c/0x140
[ 7146.559179][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7146.559179][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7146.559179][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.559179][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.559179][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.559179][   T10]      netlink_unicast+0x449/0x710
[ 7146.559179][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.559179][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.559179][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.559179][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.559179][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.559179][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.559179][   T10] 
[ 7146.561334][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7146.561334][   T10]      netdev_get_by_index+0x5e/0x80
[ 7146.561334][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7146.561334][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7146.561334][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7146.561334][   T10]      ipv6_add_addr+0x411/0x2000
[ 7146.561334][   T10]      inet6_addr_add+0x30e/0xa40
[ 7146.561334][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7146.561334][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.561334][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.561334][   T10]      netlink_unicast+0x449/0x710
[ 7146.561334][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.561334][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.561334][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.561334][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.561334][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.561334][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.561334][   T10] 
[ 7146.563427][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7146.563427][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7146.563427][   T10]      ipv6_find_idev+0x102/0x170
[ 7146.563427][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7146.563427][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.563427][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.563427][   T10]      netlink_unicast+0x449/0x710
[ 7146.563427][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.563427][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.563427][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.563427][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.563427][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.563427][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.563427][   T10] 
[ 7146.565169][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7146.565169][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7146.565169][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7146.565169][   T10]      ipv6_find_idev+0x102/0x170
[ 7146.565169][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7146.565169][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7146.565169][   T10]      netlink_rcv_skb+0x130/0x360
[ 7146.565169][   T10]      netlink_unicast+0x449/0x710
[ 7146.565169][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7146.565169][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7146.565169][   T10]      ___sys_sendmsg+0xee/0x170
[ 7146.565169][   T10]      __sys_sendmsg+0xcd/0x170
[ 7146.565169][   T10]      do_syscall_64+0xc6/0x1e0
[ 7146.565169][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7146.565169][   T10] 
[ 7156.608728][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7156.609175][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.609175][   T10]      dst_init+0x84/0x4a0
[ 7156.609175][   T10]      dst_alloc+0x97/0x150
[ 7156.609175][   T10]      ip6_dst_alloc+0x23/0x90
[ 7156.609175][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7156.609175][   T10]      ip6_pol_route+0x56f/0x840
[ 7156.609175][   T10]      fib6_rule_lookup+0x456/0x630
[ 7156.609175][   T10]      ip6_route_input+0x59c/0xa50
[ 7156.609175][   T10]      ipv6_rcv+0x397/0x810
[ 7156.609175][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7156.609175][   T10]      process_backlog+0x101/0x620
[ 7156.609175][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7156.609175][   T10]      net_rx_action+0x495/0xbe0
[ 7156.609175][   T10]      __do_softirq+0x1b5/0x7f6
[ 7156.609175][   T10] 
[ 7156.610874][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.610874][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7156.610874][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7156.610874][   T10]      fib6_nh_init+0xa22/0x1580
[ 7156.610874][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.610874][   T10]      ip6_route_add+0x1c/0x140
[ 7156.610874][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7156.610874][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.610874][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.610874][   T10]      netlink_unicast+0x449/0x710
[ 7156.610874][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.610874][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.610874][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.610874][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.610874][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.610874][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.610874][   T10] 
[ 7156.612719][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.612719][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.612719][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.612719][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.612719][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7156.612719][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7156.612719][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7156.612719][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7156.612719][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7156.612719][   T10]      addrconf_dad_begin+0x310/0x670
[ 7156.612719][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7156.612719][   T10]      process_one_work+0x84d/0x18a0
[ 7156.612719][   T10]      worker_thread+0x587/0xd30
[ 7156.612719][   T10]      kthread+0x28a/0x350
[ 7156.612719][   T10]      ret_from_fork+0x31/0x70
[ 7156.612719][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7156.612719][   T10] 
[ 7156.614635][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.614635][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.614635][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.614635][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.614635][   T10]      ip6_route_add+0x1c/0x140
[ 7156.614635][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7156.614635][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7156.614635][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.614635][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.614635][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.614635][   T10]      netlink_unicast+0x449/0x710
[ 7156.614635][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.614635][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.614635][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.614635][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.614635][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.614635][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.614635][   T10] 
[ 7156.616617][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.616617][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.616617][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.616617][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.616617][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7156.616617][   T10]      ipv6_add_addr+0x411/0x2000
[ 7156.616617][   T10]      inet6_addr_add+0x30e/0xa40
[ 7156.616617][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.616617][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.616617][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.616617][   T10]      netlink_unicast+0x449/0x710
[ 7156.616617][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.616617][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.616617][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.616617][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.616617][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.616617][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.616617][   T10] 
[ 7156.618637][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.618637][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.618637][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.618637][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.618637][   T10]      ip6_route_add+0x1c/0x140
[ 7156.618637][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7156.618637][   T10]      addrconf_add_dev+0xe2/0x170
[ 7156.618637][   T10]      inet6_addr_add+0x12f/0xa40
[ 7156.618637][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.618637][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.618637][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.618637][   T10]      netlink_unicast+0x449/0x710
[ 7156.618637][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.618637][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.618637][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.618637][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.618637][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.618637][   T10] 
[ 7156.620553][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.620553][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7156.620553][   T10]      ipv6_find_idev+0x102/0x170
[ 7156.620553][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7156.620553][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.620553][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.620553][   T10]      netlink_unicast+0x449/0x710
[ 7156.620553][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.620553][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.620553][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.620553][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.620553][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.620553][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.620553][   T10] 
[ 7156.622055][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7156.622055][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7156.622055][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7156.622055][   T10]      ipv6_find_idev+0x102/0x170
[ 7156.622055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7156.622055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.622055][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.622055][   T10]      netlink_unicast+0x449/0x710
[ 7156.622055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.622055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.622055][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.622055][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.622055][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.622055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.622055][   T10] 
[ 7156.623750][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7156.623992][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.623992][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7156.623992][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7156.623992][   T10]      fib6_nh_init+0xa22/0x1580
[ 7156.623992][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.623992][   T10]      ip6_route_add+0x1c/0x140
[ 7156.623992][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7156.623992][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.623992][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.623992][   T10]      netlink_unicast+0x449/0x710
[ 7156.623992][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.623992][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.623992][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.623992][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.623992][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.623992][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.623992][   T10] 
[ 7156.625896][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.625896][   T10]      dst_init+0x84/0x4a0
[ 7156.625896][   T10]      dst_alloc+0x97/0x150
[ 7156.625896][   T10]      ip6_dst_alloc+0x23/0x90
[ 7156.625896][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7156.625896][   T10]      ip6_pol_route+0x56f/0x840
[ 7156.625896][   T10]      fib6_rule_lookup+0x456/0x630
[ 7156.625896][   T10]      ip6_route_input+0x59c/0xa50
[ 7156.625896][   T10]      ipv6_rcv+0x397/0x810
[ 7156.625896][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7156.625896][   T10]      process_backlog+0x101/0x620
[ 7156.625896][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7156.625896][   T10]      net_rx_action+0x495/0xbe0
[ 7156.625896][   T10]      __do_softirq+0x1b5/0x7f6
[ 7156.625896][   T10] 
[ 7156.627535][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.627535][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.627535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.627535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.627535][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7156.627535][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7156.627535][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7156.627535][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7156.627535][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7156.627535][   T10]      addrconf_dad_begin+0x310/0x670
[ 7156.627535][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7156.627535][   T10]      process_one_work+0x84d/0x18a0
[ 7156.627535][   T10]      worker_thread+0x587/0xd30
[ 7156.627535][   T10]      kthread+0x28a/0x350
[ 7156.627535][   T10]      ret_from_fork+0x31/0x70
[ 7156.627535][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7156.627535][   T10] 
[ 7156.629434][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.629434][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.629434][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.629434][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.629434][   T10]      ip6_route_add+0x1c/0x140
[ 7156.629434][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7156.629434][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7156.629434][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.629434][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.629434][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.629434][   T10]      netlink_unicast+0x449/0x710
[ 7156.629434][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.629434][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.629434][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.629434][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.629434][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.629434][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.629434][   T10] 
[ 7156.631383][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.631383][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.631383][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.631383][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.631383][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7156.631383][   T10]      ipv6_add_addr+0x411/0x2000
[ 7156.631383][   T10]      inet6_addr_add+0x30e/0xa40
[ 7156.631383][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.631383][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.631383][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.631383][   T10]      netlink_unicast+0x449/0x710
[ 7156.631383][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.631383][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.631383][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.631383][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.631383][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.631383][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.631383][   T10] 
[ 7156.633372][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.633372][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.633372][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.633372][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.633372][   T10]      ip6_route_add+0x1c/0x140
[ 7156.633372][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7156.633372][   T10]      addrconf_add_dev+0xe2/0x170
[ 7156.633372][   T10]      inet6_addr_add+0x12f/0xa40
[ 7156.633372][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.633372][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.633372][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.633372][   T10]      netlink_unicast+0x449/0x710
[ 7156.633372][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.633372][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.633372][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.633372][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.633372][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.633372][   T10] 
[ 7156.635429][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.635429][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7156.635429][   T10]      ipv6_find_idev+0x102/0x170
[ 7156.635429][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7156.635429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.635429][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.635429][   T10]      netlink_unicast+0x449/0x710
[ 7156.635429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.635429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.635429][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.635429][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.635429][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.635429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.635429][   T10] 
[ 7156.637149][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7156.637149][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7156.637149][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7156.637149][   T10]      ipv6_find_idev+0x102/0x170
[ 7156.637149][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7156.637149][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.637149][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.637149][   T10]      netlink_unicast+0x449/0x710
[ 7156.637149][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.637149][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.637149][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.637149][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.637149][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.637149][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.637149][   T10] 
[ 7156.639114][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7156.639435][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7156.639435][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.639435][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.639435][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.639435][   T10]      ip6_route_add+0x1c/0x140
[ 7156.639435][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7156.639435][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7156.639435][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.639435][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.639435][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.639435][   T10]      netlink_unicast+0x449/0x710
[ 7156.639435][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.639435][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.639435][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.639435][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.639435][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.639435][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.639435][   T10] 
[ 7156.641622][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7156.641622][   T10]      netdev_get_by_index+0x5e/0x80
[ 7156.641622][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7156.641622][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7156.641622][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7156.641622][   T10]      ipv6_add_addr+0x411/0x2000
[ 7156.641622][   T10]      inet6_addr_add+0x30e/0xa40
[ 7156.641622][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7156.641622][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.641622][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.641622][   T10]      netlink_unicast+0x449/0x710
[ 7156.641622][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.641622][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.641622][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.641622][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.641622][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.641622][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.641622][   T10] 
[ 7156.643814][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7156.643814][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7156.643814][   T10]      ipv6_find_idev+0x102/0x170
[ 7156.643814][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7156.643814][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.643814][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.643814][   T10]      netlink_unicast+0x449/0x710
[ 7156.643814][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.643814][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.643814][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.643814][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.643814][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.643814][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.643814][   T10] 
[ 7156.645529][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7156.645529][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7156.645529][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7156.645529][   T10]      ipv6_find_idev+0x102/0x170
[ 7156.645529][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7156.645529][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7156.645529][   T10]      netlink_rcv_skb+0x130/0x360
[ 7156.645529][   T10]      netlink_unicast+0x449/0x710
[ 7156.645529][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7156.645529][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7156.645529][   T10]      ___sys_sendmsg+0xee/0x170
[ 7156.645529][   T10]      __sys_sendmsg+0xcd/0x170
[ 7156.645529][   T10]      do_syscall_64+0xc6/0x1e0
[ 7156.645529][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7156.645529][   T10] 
[ 7166.680858][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7166.681557][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.681557][   T10]      dst_init+0x84/0x4a0
[ 7166.681557][   T10]      dst_alloc+0x97/0x150
[ 7166.681557][   T10]      ip6_dst_alloc+0x23/0x90
[ 7166.681557][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7166.681557][   T10]      ip6_pol_route+0x56f/0x840
[ 7166.681557][   T10]      fib6_rule_lookup+0x456/0x630
[ 7166.681557][   T10]      ip6_route_input+0x59c/0xa50
[ 7166.681557][   T10]      ipv6_rcv+0x397/0x810
[ 7166.681557][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7166.681557][   T10]      process_backlog+0x101/0x620
[ 7166.681557][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7166.681557][   T10]      net_rx_action+0x495/0xbe0
[ 7166.681557][   T10]      __do_softirq+0x1b5/0x7f6
[ 7166.681557][   T10] 
[ 7166.683235][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.683235][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7166.683235][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7166.683235][   T10]      fib6_nh_init+0xa22/0x1580
[ 7166.683235][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.683235][   T10]      ip6_route_add+0x1c/0x140
[ 7166.683235][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7166.683235][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.683235][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.683235][   T10]      netlink_unicast+0x449/0x710
[ 7166.683235][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.683235][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.683235][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.683235][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.683235][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.683235][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.683235][   T10] 
[ 7166.685118][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.685118][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.685118][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.685118][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.685118][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7166.685118][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7166.685118][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7166.685118][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7166.685118][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7166.685118][   T10]      addrconf_dad_begin+0x310/0x670
[ 7166.685118][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7166.685118][   T10]      process_one_work+0x84d/0x18a0
[ 7166.685118][   T10]      worker_thread+0x587/0xd30
[ 7166.685118][   T10]      kthread+0x28a/0x350
[ 7166.685118][   T10]      ret_from_fork+0x31/0x70
[ 7166.685118][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7166.685118][   T10] 
[ 7166.687023][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.687023][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.687023][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.687023][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.687023][   T10]      ip6_route_add+0x1c/0x140
[ 7166.687023][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7166.687023][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7166.687023][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.687023][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.687023][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.687023][   T10]      netlink_unicast+0x449/0x710
[ 7166.687023][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.687023][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.687023][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.687023][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.687023][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.687023][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.687023][   T10] 
[ 7166.689002][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.689002][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.689002][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.689002][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.689002][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7166.689002][   T10]      ipv6_add_addr+0x411/0x2000
[ 7166.689002][   T10]      inet6_addr_add+0x30e/0xa40
[ 7166.689002][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.689002][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.689002][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.689002][   T10]      netlink_unicast+0x449/0x710
[ 7166.689002][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.689002][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.689002][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.689002][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.689002][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.689002][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.689002][   T10] 
[ 7166.691046][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.691046][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.691046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.691046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.691046][   T10]      ip6_route_add+0x1c/0x140
[ 7166.691046][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7166.691046][   T10]      addrconf_add_dev+0xe2/0x170
[ 7166.691046][   T10]      inet6_addr_add+0x12f/0xa40
[ 7166.691046][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.691046][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.691046][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.691046][   T10]      netlink_unicast+0x449/0x710
[ 7166.691046][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.691046][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.691046][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.691046][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.691046][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.691046][   T10] 
[ 7166.693021][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.693021][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7166.693021][   T10]      ipv6_find_idev+0x102/0x170
[ 7166.693021][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7166.693021][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.693021][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.693021][   T10]      netlink_unicast+0x449/0x710
[ 7166.693021][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.693021][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.693021][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.693021][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.693021][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.693021][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.693021][   T10] 
[ 7166.694544][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7166.694544][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7166.694544][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7166.694544][   T10]      ipv6_find_idev+0x102/0x170
[ 7166.694544][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7166.694544][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.694544][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.694544][   T10]      netlink_unicast+0x449/0x710
[ 7166.694544][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.694544][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.694544][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.694544][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.694544][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.694544][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.694544][   T10] 
[ 7166.696268][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7166.696507][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.696507][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7166.696507][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7166.696507][   T10]      fib6_nh_init+0xa22/0x1580
[ 7166.696507][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.696507][   T10]      ip6_route_add+0x1c/0x140
[ 7166.696507][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7166.696507][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.696507][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.696507][   T10]      netlink_unicast+0x449/0x710
[ 7166.696507][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.696507][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.696507][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.696507][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.696507][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.696507][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.696507][   T10] 
[ 7166.698401][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.698401][   T10]      dst_init+0x84/0x4a0
[ 7166.698401][   T10]      dst_alloc+0x97/0x150
[ 7166.698401][   T10]      ip6_dst_alloc+0x23/0x90
[ 7166.698401][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7166.698401][   T10]      ip6_pol_route+0x56f/0x840
[ 7166.698401][   T10]      fib6_rule_lookup+0x456/0x630
[ 7166.698401][   T10]      ip6_route_input+0x59c/0xa50
[ 7166.698401][   T10]      ipv6_rcv+0x397/0x810
[ 7166.698401][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7166.698401][   T10]      process_backlog+0x101/0x620
[ 7166.698401][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7166.698401][   T10]      net_rx_action+0x495/0xbe0
[ 7166.698401][   T10]      __do_softirq+0x1b5/0x7f6
[ 7166.698401][   T10] 
[ 7166.700033][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.700033][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.700033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.700033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.700033][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7166.700033][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7166.700033][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7166.700033][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7166.700033][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7166.700033][   T10]      addrconf_dad_begin+0x310/0x670
[ 7166.700033][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7166.700033][   T10]      process_one_work+0x84d/0x18a0
[ 7166.700033][   T10]      worker_thread+0x587/0xd30
[ 7166.700033][   T10]      kthread+0x28a/0x350
[ 7166.700033][   T10]      ret_from_fork+0x31/0x70
[ 7166.700033][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7166.700033][   T10] 
[ 7166.701938][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.701938][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.701938][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.701938][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.701938][   T10]      ip6_route_add+0x1c/0x140
[ 7166.701938][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7166.701938][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7166.701938][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.701938][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.701938][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.701938][   T10]      netlink_unicast+0x449/0x710
[ 7166.701938][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.701938][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.701938][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.701938][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.701938][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.701938][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.701938][   T10] 
[ 7166.703940][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.703940][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.703940][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.703940][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.703940][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7166.703940][   T10]      ipv6_add_addr+0x411/0x2000
[ 7166.703940][   T10]      inet6_addr_add+0x30e/0xa40
[ 7166.703940][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.703940][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.703940][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.703940][   T10]      netlink_unicast+0x449/0x710
[ 7166.703940][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.703940][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.703940][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.703940][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.703940][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.703940][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.703940][   T10] 
[ 7166.705939][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.705939][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.705939][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.705939][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.705939][   T10]      ip6_route_add+0x1c/0x140
[ 7166.705939][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7166.705939][   T10]      addrconf_add_dev+0xe2/0x170
[ 7166.705939][   T10]      inet6_addr_add+0x12f/0xa40
[ 7166.705939][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.705939][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.705939][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.705939][   T10]      netlink_unicast+0x449/0x710
[ 7166.705939][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.705939][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.705939][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.705939][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.705939][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.705939][   T10] 
[ 7166.708001][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.708001][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7166.708001][   T10]      ipv6_find_idev+0x102/0x170
[ 7166.708001][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7166.708001][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.708001][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.708001][   T10]      netlink_unicast+0x449/0x710
[ 7166.708001][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.708001][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.708001][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.708001][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.708001][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.708001][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.708001][   T10] 
[ 7166.709731][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7166.709731][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7166.709731][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7166.709731][   T10]      ipv6_find_idev+0x102/0x170
[ 7166.709731][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7166.709731][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.709731][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.709731][   T10]      netlink_unicast+0x449/0x710
[ 7166.709731][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.709731][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.709731][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.709731][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.709731][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.709731][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.709731][   T10] 
[ 7166.711601][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7166.711916][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7166.711916][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.711916][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.711916][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.711916][   T10]      ip6_route_add+0x1c/0x140
[ 7166.711916][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7166.711916][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7166.711916][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.711916][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.711916][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.711916][   T10]      netlink_unicast+0x449/0x710
[ 7166.711916][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.711916][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.711916][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.711916][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.711916][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.711916][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.711916][   T10] 
[ 7166.714102][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7166.714102][   T10]      netdev_get_by_index+0x5e/0x80
[ 7166.714102][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7166.714102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7166.714102][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7166.714102][   T10]      ipv6_add_addr+0x411/0x2000
[ 7166.714102][   T10]      inet6_addr_add+0x30e/0xa40
[ 7166.714102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7166.714102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.714102][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.714102][   T10]      netlink_unicast+0x449/0x710
[ 7166.714102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.714102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.714102][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.714102][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.714102][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.714102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.714102][   T10] 
[ 7166.716233][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7166.716233][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7166.716233][   T10]      ipv6_find_idev+0x102/0x170
[ 7166.716233][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7166.716233][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.716233][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.716233][   T10]      netlink_unicast+0x449/0x710
[ 7166.716233][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.716233][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.716233][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.716233][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.716233][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.716233][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.716233][   T10] 
[ 7166.717953][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7166.717953][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7166.717953][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7166.717953][   T10]      ipv6_find_idev+0x102/0x170
[ 7166.717953][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7166.717953][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7166.717953][   T10]      netlink_rcv_skb+0x130/0x360
[ 7166.717953][   T10]      netlink_unicast+0x449/0x710
[ 7166.717953][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7166.717953][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7166.717953][   T10]      ___sys_sendmsg+0xee/0x170
[ 7166.717953][   T10]      __sys_sendmsg+0xcd/0x170
[ 7166.717953][   T10]      do_syscall_64+0xc6/0x1e0
[ 7166.717953][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7166.717953][   T10] 
[ 7176.784769][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7176.785620][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.785620][   T10]      dst_init+0x84/0x4a0
[ 7176.785620][   T10]      dst_alloc+0x97/0x150
[ 7176.785620][   T10]      ip6_dst_alloc+0x23/0x90
[ 7176.785620][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7176.785620][   T10]      ip6_pol_route+0x56f/0x840
[ 7176.785620][   T10]      fib6_rule_lookup+0x456/0x630
[ 7176.785620][   T10]      ip6_route_input+0x59c/0xa50
[ 7176.785620][   T10]      ipv6_rcv+0x397/0x810
[ 7176.785620][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7176.785620][   T10]      process_backlog+0x101/0x620
[ 7176.785620][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7176.785620][   T10]      net_rx_action+0x495/0xbe0
[ 7176.785620][   T10]      __do_softirq+0x1b5/0x7f6
[ 7176.785620][   T10] 
[ 7176.787246][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.787246][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7176.787246][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7176.787246][   T10]      fib6_nh_init+0xa22/0x1580
[ 7176.787246][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.787246][   T10]      ip6_route_add+0x1c/0x140
[ 7176.787246][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7176.787246][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.787246][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.787246][   T10]      netlink_unicast+0x449/0x710
[ 7176.787246][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.787246][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.787246][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.787246][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.787246][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.787246][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.787246][   T10] 
[ 7176.789101][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.789101][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.789101][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.789101][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.789101][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7176.789101][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7176.789101][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7176.789101][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7176.789101][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7176.789101][   T10]      addrconf_dad_begin+0x310/0x670
[ 7176.789101][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7176.789101][   T10]      process_one_work+0x84d/0x18a0
[ 7176.789101][   T10]      worker_thread+0x587/0xd30
[ 7176.789101][   T10]      kthread+0x28a/0x350
[ 7176.789101][   T10]      ret_from_fork+0x31/0x70
[ 7176.789101][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7176.789101][   T10] 
[ 7176.790976][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.790976][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.790976][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.790976][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.790976][   T10]      ip6_route_add+0x1c/0x140
[ 7176.790976][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7176.790976][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7176.790976][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.790976][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.790976][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.790976][   T10]      netlink_unicast+0x449/0x710
[ 7176.790976][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.790976][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.790976][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.790976][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.790976][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.790976][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.790976][   T10] 
[ 7176.792958][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.792958][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.792958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.792958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.792958][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7176.792958][   T10]      ipv6_add_addr+0x411/0x2000
[ 7176.792958][   T10]      inet6_addr_add+0x30e/0xa40
[ 7176.792958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.792958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.792958][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.792958][   T10]      netlink_unicast+0x449/0x710
[ 7176.792958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.792958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.792958][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.792958][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.792958][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.792958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.792958][   T10] 
[ 7176.794967][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.794967][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.794967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.794967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.794967][   T10]      ip6_route_add+0x1c/0x140
[ 7176.794967][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7176.794967][   T10]      addrconf_add_dev+0xe2/0x170
[ 7176.794967][   T10]      inet6_addr_add+0x12f/0xa40
[ 7176.794967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.794967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.794967][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.794967][   T10]      netlink_unicast+0x449/0x710
[ 7176.794967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.794967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.794967][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.794967][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.794967][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.794967][   T10] 
[ 7176.796931][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.796931][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7176.796931][   T10]      ipv6_find_idev+0x102/0x170
[ 7176.796931][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7176.796931][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.796931][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.796931][   T10]      netlink_unicast+0x449/0x710
[ 7176.796931][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.796931][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.796931][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.796931][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.796931][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.796931][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.796931][   T10] 
[ 7176.798432][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7176.798432][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7176.798432][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7176.798432][   T10]      ipv6_find_idev+0x102/0x170
[ 7176.798432][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7176.798432][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.798432][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.798432][   T10]      netlink_unicast+0x449/0x710
[ 7176.798432][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.798432][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.798432][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.798432][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.798432][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.798432][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.798432][   T10] 
[ 7176.800098][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7176.800340][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.800340][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7176.800340][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7176.800340][   T10]      fib6_nh_init+0xa22/0x1580
[ 7176.800340][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.800340][   T10]      ip6_route_add+0x1c/0x140
[ 7176.800340][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7176.800340][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.800340][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.800340][   T10]      netlink_unicast+0x449/0x710
[ 7176.800340][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.800340][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.800340][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.800340][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.800340][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.800340][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.800340][   T10] 
[ 7176.802214][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.802214][   T10]      dst_init+0x84/0x4a0
[ 7176.802214][   T10]      dst_alloc+0x97/0x150
[ 7176.802214][   T10]      ip6_dst_alloc+0x23/0x90
[ 7176.802214][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7176.802214][   T10]      ip6_pol_route+0x56f/0x840
[ 7176.802214][   T10]      fib6_rule_lookup+0x456/0x630
[ 7176.802214][   T10]      ip6_route_input+0x59c/0xa50
[ 7176.802214][   T10]      ipv6_rcv+0x397/0x810
[ 7176.802214][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7176.802214][   T10]      process_backlog+0x101/0x620
[ 7176.802214][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7176.802214][   T10]      net_rx_action+0x495/0xbe0
[ 7176.802214][   T10]      __do_softirq+0x1b5/0x7f6
[ 7176.802214][   T10] 
[ 7176.803871][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.803871][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.803871][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.803871][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.803871][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7176.803871][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7176.803871][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7176.803871][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7176.803871][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7176.803871][   T10]      addrconf_dad_begin+0x310/0x670
[ 7176.803871][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7176.803871][   T10]      process_one_work+0x84d/0x18a0
[ 7176.803871][   T10]      worker_thread+0x587/0xd30
[ 7176.803871][   T10]      kthread+0x28a/0x350
[ 7176.803871][   T10]      ret_from_fork+0x31/0x70
[ 7176.803871][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7176.803871][   T10] 
[ 7176.805826][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.805826][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.805826][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.805826][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.805826][   T10]      ip6_route_add+0x1c/0x140
[ 7176.805826][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7176.805826][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7176.805826][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.805826][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.805826][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.805826][   T10]      netlink_unicast+0x449/0x710
[ 7176.805826][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.805826][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.805826][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.805826][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.805826][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.805826][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.805826][   T10] 
[ 7176.807878][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.807878][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.807878][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.807878][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.807878][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7176.807878][   T10]      ipv6_add_addr+0x411/0x2000
[ 7176.807878][   T10]      inet6_addr_add+0x30e/0xa40
[ 7176.807878][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.807878][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.807878][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.807878][   T10]      netlink_unicast+0x449/0x710
[ 7176.807878][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.807878][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.807878][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.807878][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.807878][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.807878][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.807878][   T10] 
[ 7176.809882][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.809882][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.809882][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.809882][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.809882][   T10]      ip6_route_add+0x1c/0x140
[ 7176.809882][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7176.809882][   T10]      addrconf_add_dev+0xe2/0x170
[ 7176.809882][   T10]      inet6_addr_add+0x12f/0xa40
[ 7176.809882][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.809882][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.809882][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.809882][   T10]      netlink_unicast+0x449/0x710
[ 7176.809882][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.809882][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.809882][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.809882][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.809882][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.809882][   T10] 
[ 7176.811967][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.811967][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7176.811967][   T10]      ipv6_find_idev+0x102/0x170
[ 7176.811967][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7176.811967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.811967][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.811967][   T10]      netlink_unicast+0x449/0x710
[ 7176.811967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.811967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.811967][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.811967][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.811967][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.811967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.811967][   T10] 
[ 7176.813717][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7176.813717][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7176.813717][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7176.813717][   T10]      ipv6_find_idev+0x102/0x170
[ 7176.813717][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7176.813717][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.813717][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.813717][   T10]      netlink_unicast+0x449/0x710
[ 7176.813717][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.813717][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.813717][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.813717][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.813717][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.813717][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.813717][   T10] 
[ 7176.815649][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7176.815969][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7176.815969][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.815969][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.815969][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.815969][   T10]      ip6_route_add+0x1c/0x140
[ 7176.815969][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7176.815969][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7176.815969][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.815969][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.815969][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.815969][   T10]      netlink_unicast+0x449/0x710
[ 7176.815969][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.815969][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.815969][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.815969][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.815969][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.815969][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.815969][   T10] 
[ 7176.818159][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7176.818159][   T10]      netdev_get_by_index+0x5e/0x80
[ 7176.818159][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7176.818159][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7176.818159][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7176.818159][   T10]      ipv6_add_addr+0x411/0x2000
[ 7176.818159][   T10]      inet6_addr_add+0x30e/0xa40
[ 7176.818159][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7176.818159][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.818159][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.818159][   T10]      netlink_unicast+0x449/0x710
[ 7176.818159][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.818159][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.818159][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.818159][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.818159][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.818159][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.818159][   T10] 
[ 7176.820261][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7176.820261][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7176.820261][   T10]      ipv6_find_idev+0x102/0x170
[ 7176.820261][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7176.820261][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.820261][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.820261][   T10]      netlink_unicast+0x449/0x710
[ 7176.820261][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.820261][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.820261][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.820261][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.820261][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.820261][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.820261][   T10] 
[ 7176.822481][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7176.822481][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7176.822481][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7176.822481][   T10]      ipv6_find_idev+0x102/0x170
[ 7176.822481][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7176.822481][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7176.822481][   T10]      netlink_rcv_skb+0x130/0x360
[ 7176.822481][   T10]      netlink_unicast+0x449/0x710
[ 7176.822481][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7176.822481][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7176.822481][   T10]      ___sys_sendmsg+0xee/0x170
[ 7176.822481][   T10]      __sys_sendmsg+0xcd/0x170
[ 7176.822481][   T10]      do_syscall_64+0xc6/0x1e0
[ 7176.822481][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7176.822481][   T10] 
[ 7186.880650][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7186.881108][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.881108][   T10]      dst_init+0x84/0x4a0
[ 7186.881108][   T10]      dst_alloc+0x97/0x150
[ 7186.881108][   T10]      ip6_dst_alloc+0x23/0x90
[ 7186.881108][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7186.881108][   T10]      ip6_pol_route+0x56f/0x840
[ 7186.881108][   T10]      fib6_rule_lookup+0x456/0x630
[ 7186.881108][   T10]      ip6_route_input+0x59c/0xa50
[ 7186.881108][   T10]      ipv6_rcv+0x397/0x810
[ 7186.881108][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7186.881108][   T10]      process_backlog+0x101/0x620
[ 7186.881108][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7186.881108][   T10]      net_rx_action+0x495/0xbe0
[ 7186.881108][   T10]      __do_softirq+0x1b5/0x7f6
[ 7186.881108][   T10] 
[ 7186.882750][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.882750][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7186.882750][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7186.882750][   T10]      fib6_nh_init+0xa22/0x1580
[ 7186.882750][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.882750][   T10]      ip6_route_add+0x1c/0x140
[ 7186.882750][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7186.882750][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.882750][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.882750][   T10]      netlink_unicast+0x449/0x710
[ 7186.882750][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.882750][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.882750][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.882750][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.882750][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.882750][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.882750][   T10] 
[ 7186.884630][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.884630][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.884630][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.884630][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.884630][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7186.884630][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7186.884630][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7186.884630][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7186.884630][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7186.884630][   T10]      addrconf_dad_begin+0x310/0x670
[ 7186.884630][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7186.884630][   T10]      process_one_work+0x84d/0x18a0
[ 7186.884630][   T10]      worker_thread+0x587/0xd30
[ 7186.884630][   T10]      kthread+0x28a/0x350
[ 7186.884630][   T10]      ret_from_fork+0x31/0x70
[ 7186.884630][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7186.884630][   T10] 
[ 7186.886535][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.886535][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.886535][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.886535][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.886535][   T10]      ip6_route_add+0x1c/0x140
[ 7186.886535][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7186.886535][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7186.886535][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.886535][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.886535][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.886535][   T10]      netlink_unicast+0x449/0x710
[ 7186.886535][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.886535][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.886535][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.886535][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.886535][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.886535][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.886535][   T10] 
[ 7186.888508][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.888508][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.888508][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.888508][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.888508][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7186.888508][   T10]      ipv6_add_addr+0x411/0x2000
[ 7186.888508][   T10]      inet6_addr_add+0x30e/0xa40
[ 7186.888508][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.888508][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.888508][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.888508][   T10]      netlink_unicast+0x449/0x710
[ 7186.888508][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.888508][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.888508][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.888508][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.888508][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.888508][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.888508][   T10] 
[ 7186.890458][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.890458][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.890458][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.890458][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.890458][   T10]      ip6_route_add+0x1c/0x140
[ 7186.890458][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7186.890458][   T10]      addrconf_add_dev+0xe2/0x170
[ 7186.890458][   T10]      inet6_addr_add+0x12f/0xa40
[ 7186.890458][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.890458][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.890458][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.890458][   T10]      netlink_unicast+0x449/0x710
[ 7186.890458][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.890458][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.890458][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.890458][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.890458][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.890458][   T10] 
[ 7186.892366][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.892366][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7186.892366][   T10]      ipv6_find_idev+0x102/0x170
[ 7186.892366][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7186.892366][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.892366][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.892366][   T10]      netlink_unicast+0x449/0x710
[ 7186.892366][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.892366][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.892366][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.892366][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.892366][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.892366][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.892366][   T10] 
[ 7186.893911][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7186.893911][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7186.893911][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7186.893911][   T10]      ipv6_find_idev+0x102/0x170
[ 7186.893911][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7186.893911][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.893911][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.893911][   T10]      netlink_unicast+0x449/0x710
[ 7186.893911][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.893911][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.893911][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.893911][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.893911][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.893911][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.893911][   T10] 
[ 7186.895566][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7186.895852][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.895852][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7186.895852][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7186.895852][   T10]      fib6_nh_init+0xa22/0x1580
[ 7186.895852][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.895852][   T10]      ip6_route_add+0x1c/0x140
[ 7186.895852][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7186.895852][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.895852][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.895852][   T10]      netlink_unicast+0x449/0x710
[ 7186.895852][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.895852][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.895852][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.895852][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.895852][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.895852][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.895852][   T10] 
[ 7186.897709][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.897709][   T10]      dst_init+0x84/0x4a0
[ 7186.897709][   T10]      dst_alloc+0x97/0x150
[ 7186.897709][   T10]      ip6_dst_alloc+0x23/0x90
[ 7186.897709][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7186.897709][   T10]      ip6_pol_route+0x56f/0x840
[ 7186.897709][   T10]      fib6_rule_lookup+0x456/0x630
[ 7186.897709][   T10]      ip6_route_input+0x59c/0xa50
[ 7186.897709][   T10]      ipv6_rcv+0x397/0x810
[ 7186.897709][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7186.897709][   T10]      process_backlog+0x101/0x620
[ 7186.897709][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7186.897709][   T10]      net_rx_action+0x495/0xbe0
[ 7186.897709][   T10]      __do_softirq+0x1b5/0x7f6
[ 7186.897709][   T10] 
[ 7186.899300][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.899300][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.899300][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.899300][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.899300][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7186.899300][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7186.899300][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7186.899300][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7186.899300][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7186.899300][   T10]      addrconf_dad_begin+0x310/0x670
[ 7186.899300][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7186.899300][   T10]      process_one_work+0x84d/0x18a0
[ 7186.899300][   T10]      worker_thread+0x587/0xd30
[ 7186.899300][   T10]      kthread+0x28a/0x350
[ 7186.899300][   T10]      ret_from_fork+0x31/0x70
[ 7186.899300][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7186.899300][   T10] 
[ 7186.901204][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.901204][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.901204][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.901204][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.901204][   T10]      ip6_route_add+0x1c/0x140
[ 7186.901204][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7186.901204][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7186.901204][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.901204][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.901204][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.901204][   T10]      netlink_unicast+0x449/0x710
[ 7186.901204][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.901204][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.901204][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.901204][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.901204][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.901204][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.901204][   T10] 
[ 7186.903211][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.903211][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.903211][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.903211][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.903211][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7186.903211][   T10]      ipv6_add_addr+0x411/0x2000
[ 7186.903211][   T10]      inet6_addr_add+0x30e/0xa40
[ 7186.903211][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.903211][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.903211][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.903211][   T10]      netlink_unicast+0x449/0x710
[ 7186.903211][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.903211][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.903211][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.903211][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.903211][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.903211][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.903211][   T10] 
[ 7186.905231][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.905231][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.905231][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.905231][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.905231][   T10]      ip6_route_add+0x1c/0x140
[ 7186.905231][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7186.905231][   T10]      addrconf_add_dev+0xe2/0x170
[ 7186.905231][   T10]      inet6_addr_add+0x12f/0xa40
[ 7186.905231][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.905231][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.905231][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.905231][   T10]      netlink_unicast+0x449/0x710
[ 7186.905231][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.905231][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.905231][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.905231][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.905231][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.905231][   T10] 
[ 7186.907257][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.907257][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7186.907257][   T10]      ipv6_find_idev+0x102/0x170
[ 7186.907257][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7186.907257][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.907257][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.907257][   T10]      netlink_unicast+0x449/0x710
[ 7186.907257][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.907257][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.907257][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.907257][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.907257][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.907257][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.907257][   T10] 
[ 7186.908866][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7186.908866][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7186.908866][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7186.908866][   T10]      ipv6_find_idev+0x102/0x170
[ 7186.908866][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7186.908866][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.908866][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.908866][   T10]      netlink_unicast+0x449/0x710
[ 7186.908866][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.908866][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.908866][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.908866][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.908866][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.908866][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.908866][   T10] 
[ 7186.910616][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7186.910862][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7186.910862][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.910862][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.910862][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.910862][   T10]      ip6_route_add+0x1c/0x140
[ 7186.910862][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7186.910862][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7186.910862][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.910862][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.910862][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.910862][   T10]      netlink_unicast+0x449/0x710
[ 7186.910862][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.910862][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.910862][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.910862][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.910862][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.910862][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.910862][   T10] 
[ 7186.913006][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7186.913006][   T10]      netdev_get_by_index+0x5e/0x80
[ 7186.913006][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7186.913006][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7186.913006][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7186.913006][   T10]      ipv6_add_addr+0x411/0x2000
[ 7186.913006][   T10]      inet6_addr_add+0x30e/0xa40
[ 7186.913006][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7186.913006][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.913006][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.913006][   T10]      netlink_unicast+0x449/0x710
[ 7186.913006][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.913006][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.913006][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.913006][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.913006][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.913006][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.913006][   T10] 
[ 7186.915055][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7186.915055][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7186.915055][   T10]      ipv6_find_idev+0x102/0x170
[ 7186.915055][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7186.915055][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.915055][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.915055][   T10]      netlink_unicast+0x449/0x710
[ 7186.915055][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.915055][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.915055][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.915055][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.915055][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.915055][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.915055][   T10] 
[ 7186.916664][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7186.916664][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7186.916664][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7186.916664][   T10]      ipv6_find_idev+0x102/0x170
[ 7186.916664][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7186.916664][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7186.916664][   T10]      netlink_rcv_skb+0x130/0x360
[ 7186.916664][   T10]      netlink_unicast+0x449/0x710
[ 7186.916664][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7186.916664][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7186.916664][   T10]      ___sys_sendmsg+0xee/0x170
[ 7186.916664][   T10]      __sys_sendmsg+0xcd/0x170
[ 7186.916664][   T10]      do_syscall_64+0xc6/0x1e0
[ 7186.916664][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7186.916664][   T10] 
[ 7197.096699][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7197.097212][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.097212][   T10]      dst_init+0x84/0x4a0
[ 7197.097212][   T10]      dst_alloc+0x97/0x150
[ 7197.097212][   T10]      ip6_dst_alloc+0x23/0x90
[ 7197.097212][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7197.097212][   T10]      ip6_pol_route+0x56f/0x840
[ 7197.097212][   T10]      fib6_rule_lookup+0x456/0x630
[ 7197.097212][   T10]      ip6_route_input+0x59c/0xa50
[ 7197.097212][   T10]      ipv6_rcv+0x397/0x810
[ 7197.097212][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7197.097212][   T10]      process_backlog+0x101/0x620
[ 7197.097212][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7197.097212][   T10]      net_rx_action+0x495/0xbe0
[ 7197.097212][   T10]      __do_softirq+0x1b5/0x7f6
[ 7197.097212][   T10] 
[ 7197.098904][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.098904][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7197.098904][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7197.098904][   T10]      fib6_nh_init+0xa22/0x1580
[ 7197.098904][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.098904][   T10]      ip6_route_add+0x1c/0x140
[ 7197.098904][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7197.098904][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.098904][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.098904][   T10]      netlink_unicast+0x449/0x710
[ 7197.098904][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.098904][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.098904][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.098904][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.098904][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.098904][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.098904][   T10] 
[ 7197.100825][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.100825][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.100825][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.100825][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.100825][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7197.100825][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7197.100825][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7197.100825][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7197.100825][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7197.100825][   T10]      addrconf_dad_begin+0x310/0x670
[ 7197.100825][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7197.100825][   T10]      process_one_work+0x84d/0x18a0
[ 7197.100825][   T10]      worker_thread+0x587/0xd30
[ 7197.100825][   T10]      kthread+0x28a/0x350
[ 7197.100825][   T10]      ret_from_fork+0x31/0x70
[ 7197.100825][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7197.100825][   T10] 
[ 7197.102779][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.102779][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.102779][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.102779][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.102779][   T10]      ip6_route_add+0x1c/0x140
[ 7197.102779][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7197.102779][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7197.102779][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.102779][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.102779][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.102779][   T10]      netlink_unicast+0x449/0x710
[ 7197.102779][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.102779][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.102779][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.102779][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.102779][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.102779][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.102779][   T10] 
[ 7197.104799][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.104799][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.104799][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.104799][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.104799][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7197.104799][   T10]      ipv6_add_addr+0x411/0x2000
[ 7197.104799][   T10]      inet6_addr_add+0x30e/0xa40
[ 7197.104799][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.104799][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.104799][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.104799][   T10]      netlink_unicast+0x449/0x710
[ 7197.104799][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.104799][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.104799][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.104799][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.104799][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.104799][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.104799][   T10] 
[ 7197.106821][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.106821][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.106821][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.106821][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.106821][   T10]      ip6_route_add+0x1c/0x140
[ 7197.106821][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7197.106821][   T10]      addrconf_add_dev+0xe2/0x170
[ 7197.106821][   T10]      inet6_addr_add+0x12f/0xa40
[ 7197.106821][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.106821][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.106821][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.106821][   T10]      netlink_unicast+0x449/0x710
[ 7197.106821][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.106821][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.106821][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.106821][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.106821][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.106821][   T10] 
[ 7197.108806][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.108806][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7197.108806][   T10]      ipv6_find_idev+0x102/0x170
[ 7197.108806][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7197.108806][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.108806][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.108806][   T10]      netlink_unicast+0x449/0x710
[ 7197.108806][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.108806][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.108806][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.108806][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.108806][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.108806][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.108806][   T10] 
[ 7197.110360][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7197.110360][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7197.110360][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7197.110360][   T10]      ipv6_find_idev+0x102/0x170
[ 7197.110360][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7197.110360][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.110360][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.110360][   T10]      netlink_unicast+0x449/0x710
[ 7197.110360][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.110360][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.110360][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.110360][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.110360][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.110360][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.110360][   T10] 
[ 7197.112094][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7197.112341][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.112341][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7197.112341][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7197.112341][   T10]      fib6_nh_init+0xa22/0x1580
[ 7197.112341][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.112341][   T10]      ip6_route_add+0x1c/0x140
[ 7197.112341][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7197.112341][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.112341][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.112341][   T10]      netlink_unicast+0x449/0x710
[ 7197.112341][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.112341][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.112341][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.112341][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.112341][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.112341][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.112341][   T10] 
[ 7197.114242][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.114242][   T10]      dst_init+0x84/0x4a0
[ 7197.114242][   T10]      dst_alloc+0x97/0x150
[ 7197.114242][   T10]      ip6_dst_alloc+0x23/0x90
[ 7197.114242][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7197.114242][   T10]      ip6_pol_route+0x56f/0x840
[ 7197.114242][   T10]      fib6_rule_lookup+0x456/0x630
[ 7197.114242][   T10]      ip6_route_input+0x59c/0xa50
[ 7197.114242][   T10]      ipv6_rcv+0x397/0x810
[ 7197.114242][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7197.114242][   T10]      process_backlog+0x101/0x620
[ 7197.114242][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7197.114242][   T10]      net_rx_action+0x495/0xbe0
[ 7197.114242][   T10]      __do_softirq+0x1b5/0x7f6
[ 7197.114242][   T10] 
[ 7197.115920][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.115920][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.115920][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.115920][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.115920][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7197.115920][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7197.115920][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7197.115920][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7197.115920][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7197.115920][   T10]      addrconf_dad_begin+0x310/0x670
[ 7197.115920][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7197.115920][   T10]      process_one_work+0x84d/0x18a0
[ 7197.115920][   T10]      worker_thread+0x587/0xd30
[ 7197.115920][   T10]      kthread+0x28a/0x350
[ 7197.115920][   T10]      ret_from_fork+0x31/0x70
[ 7197.115920][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7197.115920][   T10] 
[ 7197.117849][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.117849][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.117849][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.117849][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.117849][   T10]      ip6_route_add+0x1c/0x140
[ 7197.117849][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7197.117849][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7197.117849][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.117849][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.117849][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.117849][   T10]      netlink_unicast+0x449/0x710
[ 7197.117849][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.117849][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.117849][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.117849][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.117849][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.117849][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.117849][   T10] 
[ 7197.119872][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.119872][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.119872][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.119872][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.119872][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7197.119872][   T10]      ipv6_add_addr+0x411/0x2000
[ 7197.119872][   T10]      inet6_addr_add+0x30e/0xa40
[ 7197.119872][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.119872][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.119872][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.119872][   T10]      netlink_unicast+0x449/0x710
[ 7197.119872][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.119872][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.119872][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.119872][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.119872][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.119872][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.119872][   T10] 
[ 7197.121877][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.121877][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.121877][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.121877][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.121877][   T10]      ip6_route_add+0x1c/0x140
[ 7197.121877][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7197.121877][   T10]      addrconf_add_dev+0xe2/0x170
[ 7197.121877][   T10]      inet6_addr_add+0x12f/0xa40
[ 7197.121877][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.121877][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.121877][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.121877][   T10]      netlink_unicast+0x449/0x710
[ 7197.121877][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.121877][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.121877][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.121877][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.121877][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.121877][   T10] 
[ 7197.124003][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.124003][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7197.124003][   T10]      ipv6_find_idev+0x102/0x170
[ 7197.124003][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7197.124003][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.124003][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.124003][   T10]      netlink_unicast+0x449/0x710
[ 7197.124003][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.124003][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.124003][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.124003][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.124003][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.124003][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.124003][   T10] 
[ 7197.125646][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7197.125646][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7197.125646][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7197.125646][   T10]      ipv6_find_idev+0x102/0x170
[ 7197.125646][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7197.125646][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.125646][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.125646][   T10]      netlink_unicast+0x449/0x710
[ 7197.125646][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.125646][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.125646][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.125646][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.125646][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.125646][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.125646][   T10] 
[ 7197.127662][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7197.127902][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7197.127902][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.127902][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.127902][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.127902][   T10]      ip6_route_add+0x1c/0x140
[ 7197.127902][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7197.127902][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7197.127902][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.127902][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.127902][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.127902][   T10]      netlink_unicast+0x449/0x710
[ 7197.127902][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.127902][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.127902][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.127902][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.127902][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.127902][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.127902][   T10] 
[ 7197.130177][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7197.130177][   T10]      netdev_get_by_index+0x5e/0x80
[ 7197.130177][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7197.130177][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7197.130177][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7197.130177][   T10]      ipv6_add_addr+0x411/0x2000
[ 7197.130177][   T10]      inet6_addr_add+0x30e/0xa40
[ 7197.130177][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7197.130177][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.130177][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.130177][   T10]      netlink_unicast+0x449/0x710
[ 7197.130177][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.130177][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.130177][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.130177][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.130177][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.130177][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.130177][   T10] 
[ 7197.132429][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7197.132429][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7197.132429][   T10]      ipv6_find_idev+0x102/0x170
[ 7197.132429][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7197.132429][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.132429][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.132429][   T10]      netlink_unicast+0x449/0x710
[ 7197.132429][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.132429][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.132429][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.132429][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.132429][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.132429][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.132429][   T10] 
[ 7197.134167][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7197.134167][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7197.134167][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7197.134167][   T10]      ipv6_find_idev+0x102/0x170
[ 7197.134167][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7197.134167][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7197.134167][   T10]      netlink_rcv_skb+0x130/0x360
[ 7197.134167][   T10]      netlink_unicast+0x449/0x710
[ 7197.134167][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7197.134167][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7197.134167][   T10]      ___sys_sendmsg+0xee/0x170
[ 7197.134167][   T10]      __sys_sendmsg+0xcd/0x170
[ 7197.134167][   T10]      do_syscall_64+0xc6/0x1e0
[ 7197.134167][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7197.134167][   T10] 
[ 7207.840856][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7207.841562][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.841562][   T10]      dst_init+0x84/0x4a0
[ 7207.841562][   T10]      dst_alloc+0x97/0x150
[ 7207.841562][   T10]      ip6_dst_alloc+0x23/0x90
[ 7207.841562][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7207.841562][   T10]      ip6_pol_route+0x56f/0x840
[ 7207.841562][   T10]      fib6_rule_lookup+0x456/0x630
[ 7207.841562][   T10]      ip6_route_input+0x59c/0xa50
[ 7207.841562][   T10]      ipv6_rcv+0x397/0x810
[ 7207.841562][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7207.841562][   T10]      process_backlog+0x101/0x620
[ 7207.841562][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7207.841562][   T10]      net_rx_action+0x495/0xbe0
[ 7207.841562][   T10]      __do_softirq+0x1b5/0x7f6
[ 7207.841562][   T10] 
[ 7207.843216][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.843216][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7207.843216][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7207.843216][   T10]      fib6_nh_init+0xa22/0x1580
[ 7207.843216][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.843216][   T10]      ip6_route_add+0x1c/0x140
[ 7207.843216][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7207.843216][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.843216][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.843216][   T10]      netlink_unicast+0x449/0x710
[ 7207.843216][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.843216][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.843216][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.843216][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.843216][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.843216][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.843216][   T10] 
[ 7207.845053][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.845053][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.845053][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.845053][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.845053][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7207.845053][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7207.845053][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7207.845053][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7207.845053][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7207.845053][   T10]      addrconf_dad_begin+0x310/0x670
[ 7207.845053][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7207.845053][   T10]      process_one_work+0x84d/0x18a0
[ 7207.845053][   T10]      worker_thread+0x587/0xd30
[ 7207.845053][   T10]      kthread+0x28a/0x350
[ 7207.845053][   T10]      ret_from_fork+0x31/0x70
[ 7207.845053][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7207.845053][   T10] 
[ 7207.846958][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.846958][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.846958][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.846958][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.846958][   T10]      ip6_route_add+0x1c/0x140
[ 7207.846958][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7207.846958][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7207.846958][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.846958][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.846958][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.846958][   T10]      netlink_unicast+0x449/0x710
[ 7207.846958][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.846958][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.846958][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.846958][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.846958][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.846958][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.846958][   T10] 
[ 7207.848903][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.848903][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.848903][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.848903][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.848903][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7207.848903][   T10]      ipv6_add_addr+0x411/0x2000
[ 7207.848903][   T10]      inet6_addr_add+0x30e/0xa40
[ 7207.848903][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.848903][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.848903][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.848903][   T10]      netlink_unicast+0x449/0x710
[ 7207.848903][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.848903][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.848903][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.848903][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.848903][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.848903][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.848903][   T10] 
[ 7207.850917][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.850917][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.850917][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.850917][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.850917][   T10]      ip6_route_add+0x1c/0x140
[ 7207.850917][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7207.850917][   T10]      addrconf_add_dev+0xe2/0x170
[ 7207.850917][   T10]      inet6_addr_add+0x12f/0xa40
[ 7207.850917][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.850917][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.850917][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.850917][   T10]      netlink_unicast+0x449/0x710
[ 7207.850917][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.850917][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.850917][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.850917][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.850917][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.850917][   T10] 
[ 7207.852921][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.852921][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7207.852921][   T10]      ipv6_find_idev+0x102/0x170
[ 7207.852921][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7207.852921][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.852921][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.852921][   T10]      netlink_unicast+0x449/0x710
[ 7207.852921][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.852921][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.852921][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.852921][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.852921][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.852921][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.852921][   T10] 
[ 7207.854489][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7207.854489][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7207.854489][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7207.854489][   T10]      ipv6_find_idev+0x102/0x170
[ 7207.854489][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7207.854489][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.854489][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.854489][   T10]      netlink_unicast+0x449/0x710
[ 7207.854489][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.854489][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.854489][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.854489][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.854489][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.854489][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.854489][   T10] 
[ 7207.856197][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7207.856467][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.856467][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7207.856467][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7207.856467][   T10]      fib6_nh_init+0xa22/0x1580
[ 7207.856467][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.856467][   T10]      ip6_route_add+0x1c/0x140
[ 7207.856467][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7207.856467][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.856467][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.856467][   T10]      netlink_unicast+0x449/0x710
[ 7207.856467][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.856467][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.856467][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.856467][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.856467][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.856467][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.856467][   T10] 
[ 7207.858417][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.858417][   T10]      dst_init+0x84/0x4a0
[ 7207.858417][   T10]      dst_alloc+0x97/0x150
[ 7207.858417][   T10]      ip6_dst_alloc+0x23/0x90
[ 7207.858417][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7207.858417][   T10]      ip6_pol_route+0x56f/0x840
[ 7207.858417][   T10]      fib6_rule_lookup+0x456/0x630
[ 7207.858417][   T10]      ip6_route_input+0x59c/0xa50
[ 7207.858417][   T10]      ipv6_rcv+0x397/0x810
[ 7207.858417][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7207.858417][   T10]      process_backlog+0x101/0x620
[ 7207.858417][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7207.858417][   T10]      net_rx_action+0x495/0xbe0
[ 7207.858417][   T10]      __do_softirq+0x1b5/0x7f6
[ 7207.858417][   T10] 
[ 7207.860046][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.860046][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.860046][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.860046][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.860046][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7207.860046][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7207.860046][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7207.860046][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7207.860046][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7207.860046][   T10]      addrconf_dad_begin+0x310/0x670
[ 7207.860046][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7207.860046][   T10]      process_one_work+0x84d/0x18a0
[ 7207.860046][   T10]      worker_thread+0x587/0xd30
[ 7207.860046][   T10]      kthread+0x28a/0x350
[ 7207.860046][   T10]      ret_from_fork+0x31/0x70
[ 7207.860046][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7207.860046][   T10] 
[ 7207.861943][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.861943][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.861943][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.861943][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.861943][   T10]      ip6_route_add+0x1c/0x140
[ 7207.861943][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7207.861943][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7207.861943][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.861943][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.861943][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.861943][   T10]      netlink_unicast+0x449/0x710
[ 7207.861943][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.861943][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.861943][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.861943][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.861943][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.861943][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.861943][   T10] 
[ 7207.863972][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.863972][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.863972][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.863972][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.863972][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7207.863972][   T10]      ipv6_add_addr+0x411/0x2000
[ 7207.863972][   T10]      inet6_addr_add+0x30e/0xa40
[ 7207.863972][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.863972][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.863972][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.863972][   T10]      netlink_unicast+0x449/0x710
[ 7207.863972][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.863972][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.863972][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.863972][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.863972][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.863972][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.863972][   T10] 
[ 7207.865988][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.865988][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.865988][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.865988][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.865988][   T10]      ip6_route_add+0x1c/0x140
[ 7207.865988][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7207.865988][   T10]      addrconf_add_dev+0xe2/0x170
[ 7207.865988][   T10]      inet6_addr_add+0x12f/0xa40
[ 7207.865988][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.865988][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.865988][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.865988][   T10]      netlink_unicast+0x449/0x710
[ 7207.865988][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.865988][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.865988][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.865988][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.865988][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.865988][   T10] 
[ 7207.868109][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.868109][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7207.868109][   T10]      ipv6_find_idev+0x102/0x170
[ 7207.868109][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7207.868109][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.868109][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.868109][   T10]      netlink_unicast+0x449/0x710
[ 7207.868109][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.868109][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.868109][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.868109][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.868109][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.868109][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.868109][   T10] 
[ 7207.869741][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7207.869741][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7207.869741][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7207.869741][   T10]      ipv6_find_idev+0x102/0x170
[ 7207.869741][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7207.869741][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.869741][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.869741][   T10]      netlink_unicast+0x449/0x710
[ 7207.869741][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.869741][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.869741][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.869741][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.869741][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.869741][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.869741][   T10] 
[ 7207.871531][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7207.871801][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7207.871801][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.871801][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.871801][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.871801][   T10]      ip6_route_add+0x1c/0x140
[ 7207.871801][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7207.871801][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7207.871801][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.871801][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.871801][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.871801][   T10]      netlink_unicast+0x449/0x710
[ 7207.871801][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.871801][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.871801][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.871801][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.871801][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.871801][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.871801][   T10] 
[ 7207.873967][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7207.873967][   T10]      netdev_get_by_index+0x5e/0x80
[ 7207.873967][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7207.873967][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7207.873967][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7207.873967][   T10]      ipv6_add_addr+0x411/0x2000
[ 7207.873967][   T10]      inet6_addr_add+0x30e/0xa40
[ 7207.873967][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7207.873967][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.873967][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.873967][   T10]      netlink_unicast+0x449/0x710
[ 7207.873967][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.873967][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.873967][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.873967][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.873967][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.873967][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.873967][   T10] 
[ 7207.876056][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7207.876056][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7207.876056][   T10]      ipv6_find_idev+0x102/0x170
[ 7207.876056][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7207.876056][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.876056][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.876056][   T10]      netlink_unicast+0x449/0x710
[ 7207.876056][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.876056][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.876056][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.876056][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.876056][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.876056][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.876056][   T10] 
[ 7207.877698][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7207.877698][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7207.877698][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7207.877698][   T10]      ipv6_find_idev+0x102/0x170
[ 7207.877698][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7207.877698][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7207.877698][   T10]      netlink_rcv_skb+0x130/0x360
[ 7207.877698][   T10]      netlink_unicast+0x449/0x710
[ 7207.877698][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7207.877698][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7207.877698][   T10]      ___sys_sendmsg+0xee/0x170
[ 7207.877698][   T10]      __sys_sendmsg+0xcd/0x170
[ 7207.877698][   T10]      do_syscall_64+0xc6/0x1e0
[ 7207.877698][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7207.877698][   T10] 
[ 7218.128772][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7218.129493][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.129493][   T10]      dst_init+0x84/0x4a0
[ 7218.129493][   T10]      dst_alloc+0x97/0x150
[ 7218.129493][   T10]      ip6_dst_alloc+0x23/0x90
[ 7218.129493][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7218.129493][   T10]      ip6_pol_route+0x56f/0x840
[ 7218.129493][   T10]      fib6_rule_lookup+0x456/0x630
[ 7218.129493][   T10]      ip6_route_input+0x59c/0xa50
[ 7218.129493][   T10]      ipv6_rcv+0x397/0x810
[ 7218.129493][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7218.129493][   T10]      process_backlog+0x101/0x620
[ 7218.129493][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7218.129493][   T10]      net_rx_action+0x495/0xbe0
[ 7218.129493][   T10]      __do_softirq+0x1b5/0x7f6
[ 7218.129493][   T10] 
[ 7218.131151][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.131151][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7218.131151][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7218.131151][   T10]      fib6_nh_init+0xa22/0x1580
[ 7218.131151][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.131151][   T10]      ip6_route_add+0x1c/0x140
[ 7218.131151][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7218.131151][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.131151][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.131151][   T10]      netlink_unicast+0x449/0x710
[ 7218.131151][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.131151][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.131151][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.131151][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.131151][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.131151][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.131151][   T10] 
[ 7218.133072][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.133072][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.133072][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.133072][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.133072][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7218.133072][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7218.133072][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7218.133072][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7218.133072][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7218.133072][   T10]      addrconf_dad_begin+0x310/0x670
[ 7218.133072][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7218.133072][   T10]      process_one_work+0x84d/0x18a0
[ 7218.133072][   T10]      worker_thread+0x587/0xd30
[ 7218.133072][   T10]      kthread+0x28a/0x350
[ 7218.133072][   T10]      ret_from_fork+0x31/0x70
[ 7218.133072][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7218.133072][   T10] 
[ 7218.134971][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.134971][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.134971][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.134971][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.134971][   T10]      ip6_route_add+0x1c/0x140
[ 7218.134971][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7218.134971][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7218.134971][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.134971][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.134971][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.134971][   T10]      netlink_unicast+0x449/0x710
[ 7218.134971][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.134971][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.134971][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.134971][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.134971][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.134971][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.134971][   T10] 
[ 7218.137033][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.137033][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.137033][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.137033][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.137033][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7218.137033][   T10]      ipv6_add_addr+0x411/0x2000
[ 7218.137033][   T10]      inet6_addr_add+0x30e/0xa40
[ 7218.137033][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.137033][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.137033][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.137033][   T10]      netlink_unicast+0x449/0x710
[ 7218.137033][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.137033][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.137033][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.137033][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.137033][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.137033][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.137033][   T10] 
[ 7218.139067][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.139067][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.139067][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.139067][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.139067][   T10]      ip6_route_add+0x1c/0x140
[ 7218.139067][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7218.139067][   T10]      addrconf_add_dev+0xe2/0x170
[ 7218.139067][   T10]      inet6_addr_add+0x12f/0xa40
[ 7218.139067][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.139067][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.139067][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.139067][   T10]      netlink_unicast+0x449/0x710
[ 7218.139067][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.139067][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.139067][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.139067][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.139067][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.139067][   T10] 
[ 7218.141059][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.141059][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7218.141059][   T10]      ipv6_find_idev+0x102/0x170
[ 7218.141059][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7218.141059][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.141059][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.141059][   T10]      netlink_unicast+0x449/0x710
[ 7218.141059][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.141059][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.141059][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.141059][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.141059][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.141059][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.141059][   T10] 
[ 7218.142652][   T10] ref_tracker: veth1@ffff8880060295e0 has 1/8 users at
[ 7218.142652][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7218.142652][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7218.142652][   T10]      ipv6_find_idev+0x102/0x170
[ 7218.142652][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7218.142652][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.142652][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.142652][   T10]      netlink_unicast+0x449/0x710
[ 7218.142652][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.142652][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.142652][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.142652][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.142652][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.142652][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.142652][   T10] 
[ 7218.144376][   T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 9
[ 7218.144656][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.144656][   T10]      ip6_route_check_nh+0x4b8/0x6a0
[ 7218.144656][   T10]      ip6_validate_gw+0x3f7/0x7b0
[ 7218.144656][   T10]      fib6_nh_init+0xa22/0x1580
[ 7218.144656][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.144656][   T10]      ip6_route_add+0x1c/0x140
[ 7218.144656][   T10]      inet6_rtm_newroute+0x104/0x110
[ 7218.144656][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.144656][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.144656][   T10]      netlink_unicast+0x449/0x710
[ 7218.144656][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.144656][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.144656][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.144656][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.144656][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.144656][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.144656][   T10] 
[ 7218.146545][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.146545][   T10]      dst_init+0x84/0x4a0
[ 7218.146545][   T10]      dst_alloc+0x97/0x150
[ 7218.146545][   T10]      ip6_dst_alloc+0x23/0x90
[ 7218.146545][   T10]      ip6_rt_pcpu_alloc+0x1e6/0x520
[ 7218.146545][   T10]      ip6_pol_route+0x56f/0x840
[ 7218.146545][   T10]      fib6_rule_lookup+0x456/0x630
[ 7218.146545][   T10]      ip6_route_input+0x59c/0xa50
[ 7218.146545][   T10]      ipv6_rcv+0x397/0x810
[ 7218.146545][   T10]      __netif_receive_skb_one_core+0x118/0x1b0
[ 7218.146545][   T10]      process_backlog+0x101/0x620
[ 7218.146545][   T10]      __napi_poll.constprop.0+0xa2/0x460
[ 7218.146545][   T10]      net_rx_action+0x495/0xbe0
[ 7218.146545][   T10]      __do_softirq+0x1b5/0x7f6
[ 7218.146545][   T10] 
[ 7218.148176][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.148176][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.148176][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.148176][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.148176][   T10]      addrconf_f6i_alloc+0x265/0x560
[ 7218.148176][   T10]      __ipv6_dev_ac_inc+0x25f/0xb10
[ 7218.148176][   T10]      addrconf_join_anycast+0x1c0/0x220
[ 7218.148176][   T10]      __ipv6_ifa_notify+0x6b3/0xaf0
[ 7218.148176][   T10]      addrconf_dad_completed+0x12b/0xe20
[ 7218.148176][   T10]      addrconf_dad_begin+0x310/0x670
[ 7218.148176][   T10]      addrconf_dad_work+0x10b/0xab0
[ 7218.148176][   T10]      process_one_work+0x84d/0x18a0
[ 7218.148176][   T10]      worker_thread+0x587/0xd30
[ 7218.148176][   T10]      kthread+0x28a/0x350
[ 7218.148176][   T10]      ret_from_fork+0x31/0x70
[ 7218.148176][   T10]      ret_from_fork_asm+0x1a/0x30
[ 7218.148176][   T10] 
[ 7218.150163][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.150163][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.150163][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.150163][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.150163][   T10]      ip6_route_add+0x1c/0x140
[ 7218.150163][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7218.150163][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7218.150163][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.150163][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.150163][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.150163][   T10]      netlink_unicast+0x449/0x710
[ 7218.150163][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.150163][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.150163][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.150163][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.150163][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.150163][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.150163][   T10] 
[ 7218.152183][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.152183][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.152183][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.152183][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.152183][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7218.152183][   T10]      ipv6_add_addr+0x411/0x2000
[ 7218.152183][   T10]      inet6_addr_add+0x30e/0xa40
[ 7218.152183][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.152183][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.152183][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.152183][   T10]      netlink_unicast+0x449/0x710
[ 7218.152183][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.152183][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.152183][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.152183][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.152183][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.152183][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.152183][   T10] 
[ 7218.154240][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.154240][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.154240][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.154240][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.154240][   T10]      ip6_route_add+0x1c/0x140
[ 7218.154240][   T10]      addrconf_add_mroute+0x1ac/0x2c0
[ 7218.154240][   T10]      addrconf_add_dev+0xe2/0x170
[ 7218.154240][   T10]      inet6_addr_add+0x12f/0xa40
[ 7218.154240][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.154240][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.154240][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.154240][   T10]      netlink_unicast+0x449/0x710
[ 7218.154240][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.154240][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.154240][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.154240][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.154240][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.154240][   T10] 
[ 7218.156412][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.156412][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7218.156412][   T10]      ipv6_find_idev+0x102/0x170
[ 7218.156412][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7218.156412][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.156412][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.156412][   T10]      netlink_unicast+0x449/0x710
[ 7218.156412][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.156412][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.156412][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.156412][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.156412][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.156412][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.156412][   T10] 
[ 7218.158070][   T10] ref_tracker: veth0@ffff88803a87c5e0 has 1/8 users at
[ 7218.158070][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7218.158070][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7218.158070][   T10]      ipv6_find_idev+0x102/0x170
[ 7218.158070][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7218.158070][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.158070][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.158070][   T10]      netlink_unicast+0x449/0x710
[ 7218.158070][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.158070][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.158070][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.158070][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.158070][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.158070][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.158070][   T10] 
[ 7218.160595][   T10] unregister_netdevice: waiting for lo to become free. Usage count = 5
[ 7218.160868][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7218.160868][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.160868][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.160868][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.160868][   T10]      ip6_route_add+0x1c/0x140
[ 7218.160868][   T10]      addrconf_prefix_route+0x2a6/0x430
[ 7218.160868][   T10]      inet6_addr_add+0x4f8/0xa40
[ 7218.160868][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.160868][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.160868][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.160868][   T10]      netlink_unicast+0x449/0x710
[ 7218.160868][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.160868][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.160868][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.160868][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.160868][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.160868][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.160868][   T10] 
[ 7218.163102][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7218.163102][   T10]      netdev_get_by_index+0x5e/0x80
[ 7218.163102][   T10]      fib6_nh_init+0x3d8/0x1580
[ 7218.163102][   T10]      ip6_route_info_create+0xf18/0x17d0
[ 7218.163102][   T10]      addrconf_f6i_alloc+0x315/0x560
[ 7218.163102][   T10]      ipv6_add_addr+0x411/0x2000
[ 7218.163102][   T10]      inet6_addr_add+0x30e/0xa40
[ 7218.163102][   T10]      inet6_rtm_newaddr+0x560/0x6b0
[ 7218.163102][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.163102][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.163102][   T10]      netlink_unicast+0x449/0x710
[ 7218.163102][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.163102][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.163102][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.163102][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.163102][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.163102][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.163102][   T10] 
[ 7218.165326][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7218.165326][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7218.165326][   T10]      ipv6_find_idev+0x102/0x170
[ 7218.165326][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7218.165326][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.165326][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.165326][   T10]      netlink_unicast+0x449/0x710
[ 7218.165326][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.165326][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.165326][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.165326][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.165326][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.165326][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.165326][   T10] 
[ 7218.167101][   T10] ref_tracker: lo@ffff888005afc5e0 has 1/4 users at
[ 7218.167101][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7218.167101][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7218.167101][   T10]      ipv6_find_idev+0x102/0x170
[ 7218.167101][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7218.167101][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7218.167101][   T10]      netlink_rcv_skb+0x130/0x360
[ 7218.167101][   T10]      netlink_unicast+0x449/0x710
[ 7218.167101][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7218.167101][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7218.167101][   T10]      ___sys_sendmsg+0xee/0x170
[ 7218.167101][   T10]      __sys_sendmsg+0xcd/0x170
[ 7218.167101][   T10]      do_syscall_64+0xc6/0x1e0
[ 7218.167101][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7218.167101][   T10]